diff options
Diffstat (limited to 'core/src/fxcodec')
48 files changed, 21989 insertions, 20588 deletions
diff --git a/core/src/fxcodec/codec/codec_int.h b/core/src/fxcodec/codec/codec_int.h index a1445a5003..aed24d8791 100644 --- a/core/src/fxcodec/codec/codec_int.h +++ b/core/src/fxcodec/codec/codec_int.h @@ -14,373 +14,468 @@ #include "../../../include/fxcodec/fx_codec.h" #include "../jbig2/JBig2_Context.h" -class CCodec_BasicModule : public ICodec_BasicModule -{ -public: - virtual FX_BOOL RunLengthEncode(const uint8_t* src_buf, FX_DWORD src_size, uint8_t*& dest_buf, - FX_DWORD& dest_size); - virtual FX_BOOL A85Encode(const uint8_t* src_buf, FX_DWORD src_size, uint8_t*& dest_buf, - FX_DWORD& dest_size); - virtual ICodec_ScanlineDecoder* CreateRunLengthDecoder(const uint8_t* src_buf, FX_DWORD src_size, int width, int height, - int nComps, int bpc); +class CCodec_BasicModule : public ICodec_BasicModule { + public: + virtual FX_BOOL RunLengthEncode(const uint8_t* src_buf, + FX_DWORD src_size, + uint8_t*& dest_buf, + FX_DWORD& dest_size); + virtual FX_BOOL A85Encode(const uint8_t* src_buf, + FX_DWORD src_size, + uint8_t*& dest_buf, + FX_DWORD& dest_size); + virtual ICodec_ScanlineDecoder* CreateRunLengthDecoder(const uint8_t* src_buf, + FX_DWORD src_size, + int width, + int height, + int nComps, + int bpc); }; struct CCodec_ImageDataCache { - int m_Width, m_Height; - int m_nCachedLines; - uint8_t m_Data; + int m_Width, m_Height; + int m_nCachedLines; + uint8_t m_Data; }; -class CCodec_ScanlineDecoder : public ICodec_ScanlineDecoder -{ -public: +class CCodec_ScanlineDecoder : public ICodec_ScanlineDecoder { + public: + CCodec_ScanlineDecoder(); - CCodec_ScanlineDecoder(); + virtual ~CCodec_ScanlineDecoder(); - virtual ~CCodec_ScanlineDecoder(); + virtual FX_DWORD GetSrcOffset() { return -1; } - virtual FX_DWORD GetSrcOffset() - { - return -1; - } + virtual void DownScale(int dest_width, int dest_height); - virtual void DownScale(int dest_width, int dest_height); + uint8_t* GetScanline(int line); - uint8_t* GetScanline(int line); + FX_BOOL SkipToScanline(int line, IFX_Pause* pPause); - FX_BOOL SkipToScanline(int line, IFX_Pause* pPause); + int GetWidth() { return m_OutputWidth; } - int GetWidth() - { - return m_OutputWidth; - } + int GetHeight() { return m_OutputHeight; } - int GetHeight() - { - return m_OutputHeight; - } + int CountComps() { return m_nComps; } - int CountComps() - { - return m_nComps; - } + int GetBPC() { return m_bpc; } - int GetBPC() - { - return m_bpc; - } + FX_BOOL IsColorTransformed() { return m_bColorTransformed; } - FX_BOOL IsColorTransformed() - { - return m_bColorTransformed; + void ClearImageData() { + if (m_pDataCache) { + FX_Free(m_pDataCache); } + m_pDataCache = NULL; + } - void ClearImageData() - { - if (m_pDataCache) { - FX_Free(m_pDataCache); - } - m_pDataCache = NULL; - } -protected: + protected: + int m_OrigWidth; - int m_OrigWidth; + int m_OrigHeight; - int m_OrigHeight; + int m_DownScale; - int m_DownScale; + int m_OutputWidth; - int m_OutputWidth; + int m_OutputHeight; - int m_OutputHeight; + int m_nComps; - int m_nComps; + int m_bpc; - int m_bpc; + int m_Pitch; - int m_Pitch; + FX_BOOL m_bColorTransformed; - FX_BOOL m_bColorTransformed; + uint8_t* ReadNextLine(); - uint8_t* ReadNextLine(); + virtual FX_BOOL v_Rewind() = 0; - virtual FX_BOOL v_Rewind() = 0; + virtual uint8_t* v_GetNextLine() = 0; - virtual uint8_t* v_GetNextLine() = 0; + virtual void v_DownScale(int dest_width, int dest_height) = 0; - virtual void v_DownScale(int dest_width, int dest_height) = 0; + int m_NextLine; - int m_NextLine; + uint8_t* m_pLastScanline; - uint8_t* m_pLastScanline; - - CCodec_ImageDataCache* m_pDataCache; + CCodec_ImageDataCache* m_pDataCache; }; -class CCodec_FaxModule : public ICodec_FaxModule -{ -public: - virtual ICodec_ScanlineDecoder* CreateDecoder(const uint8_t* src_buf, FX_DWORD src_size, int width, int height, - int K, FX_BOOL EndOfLine, FX_BOOL EncodedByteAlign, FX_BOOL BlackIs1, int Columns, int Rows); - FX_BOOL Encode(const uint8_t* src_buf, int width, int height, int pitch, uint8_t*& dest_buf, FX_DWORD& dest_size); +class CCodec_FaxModule : public ICodec_FaxModule { + public: + virtual ICodec_ScanlineDecoder* CreateDecoder(const uint8_t* src_buf, + FX_DWORD src_size, + int width, + int height, + int K, + FX_BOOL EndOfLine, + FX_BOOL EncodedByteAlign, + FX_BOOL BlackIs1, + int Columns, + int Rows); + FX_BOOL Encode(const uint8_t* src_buf, + int width, + int height, + int pitch, + uint8_t*& dest_buf, + FX_DWORD& dest_size); }; -class CCodec_FlateModule : public ICodec_FlateModule -{ -public: - virtual ICodec_ScanlineDecoder* CreateDecoder(const uint8_t* src_buf, FX_DWORD src_size, int width, int height, - int nComps, int bpc, int predictor, int Colors, int BitsPerComponent, int Columns); - virtual FX_DWORD FlateOrLZWDecode(FX_BOOL bLZW, const uint8_t* src_buf, FX_DWORD src_size, FX_BOOL bEarlyChange, - int predictor, int Colors, int BitsPerComponent, int Columns, - FX_DWORD estimated_size, uint8_t*& dest_buf, FX_DWORD& dest_size); - virtual FX_BOOL Encode(const uint8_t* src_buf, FX_DWORD src_size, - int predictor, int Colors, int BitsPerComponent, int Columns, - uint8_t*& dest_buf, FX_DWORD& dest_size); - virtual FX_BOOL Encode(const uint8_t* src_buf, FX_DWORD src_size, uint8_t*& dest_buf, FX_DWORD& dest_size); +class CCodec_FlateModule : public ICodec_FlateModule { + public: + virtual ICodec_ScanlineDecoder* CreateDecoder(const uint8_t* src_buf, + FX_DWORD src_size, + int width, + int height, + int nComps, + int bpc, + int predictor, + int Colors, + int BitsPerComponent, + int Columns); + virtual FX_DWORD FlateOrLZWDecode(FX_BOOL bLZW, + const uint8_t* src_buf, + FX_DWORD src_size, + FX_BOOL bEarlyChange, + int predictor, + int Colors, + int BitsPerComponent, + int Columns, + FX_DWORD estimated_size, + uint8_t*& dest_buf, + FX_DWORD& dest_size); + virtual FX_BOOL Encode(const uint8_t* src_buf, + FX_DWORD src_size, + int predictor, + int Colors, + int BitsPerComponent, + int Columns, + uint8_t*& dest_buf, + FX_DWORD& dest_size); + virtual FX_BOOL Encode(const uint8_t* src_buf, + FX_DWORD src_size, + uint8_t*& dest_buf, + FX_DWORD& dest_size); }; -class CCodec_JpegModule : public ICodec_JpegModule -{ -public: - CCodec_JpegModule() : m_pExtProvider(NULL) {} - void SetPovider(IFX_JpegProvider* pJP) - { - m_pExtProvider = pJP; - } - ICodec_ScanlineDecoder* CreateDecoder(const uint8_t* src_buf, FX_DWORD src_size, - int width, int height, int nComps, FX_BOOL ColorTransform); - FX_BOOL LoadInfo(const uint8_t* src_buf, FX_DWORD src_size, int& width, int& height, - int& num_components, int& bits_per_components, FX_BOOL& color_transform, - uint8_t** icc_buf_ptr, FX_DWORD* icc_length); - FX_BOOL Encode(const CFX_DIBSource* pSource, uint8_t*& dest_buf, FX_STRSIZE& dest_size, int quality, const uint8_t* icc_buf, FX_DWORD icc_length); - virtual void* Start(); - virtual void Finish(void* pContext); - virtual void Input(void* pContext, const uint8_t* src_buf, FX_DWORD src_size); - virtual int ReadHeader(void* pContext, int* width, int* height, int* nComps, CFX_DIBAttribute* pAttribute = NULL); - virtual int StartScanline(void* pContext, int down_scale); - virtual FX_BOOL ReadScanline(void* pContext, uint8_t* dest_buf); - virtual FX_DWORD GetAvailInput(void* pContext, uint8_t** avail_buf_ptr); -protected: - IFX_JpegProvider* m_pExtProvider; +class CCodec_JpegModule : public ICodec_JpegModule { + public: + CCodec_JpegModule() : m_pExtProvider(NULL) {} + void SetPovider(IFX_JpegProvider* pJP) { m_pExtProvider = pJP; } + ICodec_ScanlineDecoder* CreateDecoder(const uint8_t* src_buf, + FX_DWORD src_size, + int width, + int height, + int nComps, + FX_BOOL ColorTransform); + FX_BOOL LoadInfo(const uint8_t* src_buf, + FX_DWORD src_size, + int& width, + int& height, + int& num_components, + int& bits_per_components, + FX_BOOL& color_transform, + uint8_t** icc_buf_ptr, + FX_DWORD* icc_length); + FX_BOOL Encode(const CFX_DIBSource* pSource, + uint8_t*& dest_buf, + FX_STRSIZE& dest_size, + int quality, + const uint8_t* icc_buf, + FX_DWORD icc_length); + virtual void* Start(); + virtual void Finish(void* pContext); + virtual void Input(void* pContext, const uint8_t* src_buf, FX_DWORD src_size); + virtual int ReadHeader(void* pContext, + int* width, + int* height, + int* nComps, + CFX_DIBAttribute* pAttribute = NULL); + virtual int StartScanline(void* pContext, int down_scale); + virtual FX_BOOL ReadScanline(void* pContext, uint8_t* dest_buf); + virtual FX_DWORD GetAvailInput(void* pContext, uint8_t** avail_buf_ptr); + + protected: + IFX_JpegProvider* m_pExtProvider; }; #define PNG_ERROR_SIZE 256 -class CCodec_PngModule : public ICodec_PngModule -{ -public: - CCodec_PngModule() - { - FXSYS_memset(m_szLastError, '\0', PNG_ERROR_SIZE); - } - - virtual void* Start(void* pModule); - virtual void Finish(void* pContext); - virtual FX_BOOL Input(void* pContext, const uint8_t* src_buf, FX_DWORD src_size, CFX_DIBAttribute* pAttribute); -protected: - FX_CHAR m_szLastError[PNG_ERROR_SIZE]; +class CCodec_PngModule : public ICodec_PngModule { + public: + CCodec_PngModule() { FXSYS_memset(m_szLastError, '\0', PNG_ERROR_SIZE); } + + virtual void* Start(void* pModule); + virtual void Finish(void* pContext); + virtual FX_BOOL Input(void* pContext, + const uint8_t* src_buf, + FX_DWORD src_size, + CFX_DIBAttribute* pAttribute); + + protected: + FX_CHAR m_szLastError[PNG_ERROR_SIZE]; }; -class CCodec_GifModule : public ICodec_GifModule -{ -public: - CCodec_GifModule() - { - FXSYS_memset(m_szLastError, '\0', 256); - } - virtual void* Start(void* pModule); - virtual void Finish(void* pContext); - virtual FX_DWORD GetAvailInput(void* pContext, uint8_t** avail_buf_ptr); - virtual void Input(void* pContext, const uint8_t* src_buf, FX_DWORD src_size); - - virtual int32_t ReadHeader(void* pContext, int* width, int* height, - int* pal_num, void** pal_pp, int* bg_index, CFX_DIBAttribute* pAttribute); - - virtual int32_t LoadFrameInfo(void* pContext, int* frame_num); - - virtual int32_t LoadFrame(void* pContext, int frame_num, CFX_DIBAttribute* pAttribute); - -protected: - FX_CHAR m_szLastError[256]; +class CCodec_GifModule : public ICodec_GifModule { + public: + CCodec_GifModule() { FXSYS_memset(m_szLastError, '\0', 256); } + virtual void* Start(void* pModule); + virtual void Finish(void* pContext); + virtual FX_DWORD GetAvailInput(void* pContext, uint8_t** avail_buf_ptr); + virtual void Input(void* pContext, const uint8_t* src_buf, FX_DWORD src_size); + + virtual int32_t ReadHeader(void* pContext, + int* width, + int* height, + int* pal_num, + void** pal_pp, + int* bg_index, + CFX_DIBAttribute* pAttribute); + + virtual int32_t LoadFrameInfo(void* pContext, int* frame_num); + + virtual int32_t LoadFrame(void* pContext, + int frame_num, + CFX_DIBAttribute* pAttribute); + + protected: + FX_CHAR m_szLastError[256]; }; -class CCodec_BmpModule : public ICodec_BmpModule -{ -public: - CCodec_BmpModule() - { - FXSYS_memset(m_szLastError, '\0', 256); - } - virtual void* Start(void* pModule); - virtual void Finish(void* pContext); - virtual FX_DWORD GetAvailInput(void* pContext, uint8_t** avail_buf_ptr); - virtual void Input(void* pContext, const uint8_t* src_buf, FX_DWORD src_size); - virtual int32_t ReadHeader(void* pContext, int32_t* width, int32_t* height, FX_BOOL* tb_flag, int32_t* components, int32_t* pal_num, FX_DWORD** pal_pp, CFX_DIBAttribute* pAttribute); - virtual int32_t LoadImage(void* pContext); - -protected: - FX_CHAR m_szLastError[256]; +class CCodec_BmpModule : public ICodec_BmpModule { + public: + CCodec_BmpModule() { FXSYS_memset(m_szLastError, '\0', 256); } + virtual void* Start(void* pModule); + virtual void Finish(void* pContext); + virtual FX_DWORD GetAvailInput(void* pContext, uint8_t** avail_buf_ptr); + virtual void Input(void* pContext, const uint8_t* src_buf, FX_DWORD src_size); + virtual int32_t ReadHeader(void* pContext, + int32_t* width, + int32_t* height, + FX_BOOL* tb_flag, + int32_t* components, + int32_t* pal_num, + FX_DWORD** pal_pp, + CFX_DIBAttribute* pAttribute); + virtual int32_t LoadImage(void* pContext); + + protected: + FX_CHAR m_szLastError[256]; }; -class CCodec_IccModule : public ICodec_IccModule -{ -public: - virtual IccCS GetProfileCS(const uint8_t* pProfileData, unsigned int dwProfileSize); - virtual IccCS GetProfileCS(IFX_FileRead* pFile); - virtual void* CreateTransform(ICodec_IccModule::IccParam* pInputParam, - ICodec_IccModule::IccParam* pOutputParam, - ICodec_IccModule::IccParam* pProofParam = NULL, - FX_DWORD dwIntent = Icc_INTENT_PERCEPTUAL, - FX_DWORD dwFlag = Icc_FLAGS_DEFAULT, - FX_DWORD dwPrfIntent = Icc_INTENT_ABSOLUTE_COLORIMETRIC, - FX_DWORD dwPrfFlag = Icc_FLAGS_SOFTPROOFING - ); - virtual void* CreateTransform_sRGB(const uint8_t* pProfileData, FX_DWORD dwProfileSize, int32_t& nComponents, int32_t intent = 0, - FX_DWORD dwSrcFormat = Icc_FORMAT_DEFAULT); - virtual void* CreateTransform_CMYK(const uint8_t* pSrcProfileData, FX_DWORD dwSrcProfileSize, int32_t& nSrcComponents, - const uint8_t* pDstProfileData, FX_DWORD dwDstProfileSize, int32_t intent = 0, - FX_DWORD dwSrcFormat = Icc_FORMAT_DEFAULT, - FX_DWORD dwDstFormat = Icc_FORMAT_DEFAULT - ); - virtual void DestroyTransform(void* pTransform); - virtual void Translate(void* pTransform, FX_FLOAT* pSrcValues, FX_FLOAT* pDestValues); - virtual void TranslateScanline(void* pTransform, uint8_t* pDest, const uint8_t* pSrc, int pixels); - virtual void SetComponents(FX_DWORD nComponents) {m_nComponents = nComponents;} - virtual ~CCodec_IccModule(); -protected: - CFX_MapByteStringToPtr m_MapTranform; - CFX_MapByteStringToPtr m_MapProfile; - FX_DWORD m_nComponents; - typedef enum { - Icc_CLASS_INPUT = 0, - Icc_CLASS_OUTPUT, - Icc_CLASS_PROOF, - Icc_CLASS_MAX - } Icc_CLASS; - void* CreateProfile(ICodec_IccModule::IccParam* pIccParam, Icc_CLASS ic, CFX_BinaryBuf* pTransformKey); +class CCodec_IccModule : public ICodec_IccModule { + public: + virtual IccCS GetProfileCS(const uint8_t* pProfileData, + unsigned int dwProfileSize); + virtual IccCS GetProfileCS(IFX_FileRead* pFile); + virtual void* CreateTransform( + ICodec_IccModule::IccParam* pInputParam, + ICodec_IccModule::IccParam* pOutputParam, + ICodec_IccModule::IccParam* pProofParam = NULL, + FX_DWORD dwIntent = Icc_INTENT_PERCEPTUAL, + FX_DWORD dwFlag = Icc_FLAGS_DEFAULT, + FX_DWORD dwPrfIntent = Icc_INTENT_ABSOLUTE_COLORIMETRIC, + FX_DWORD dwPrfFlag = Icc_FLAGS_SOFTPROOFING); + virtual void* CreateTransform_sRGB(const uint8_t* pProfileData, + FX_DWORD dwProfileSize, + int32_t& nComponents, + int32_t intent = 0, + FX_DWORD dwSrcFormat = Icc_FORMAT_DEFAULT); + virtual void* CreateTransform_CMYK(const uint8_t* pSrcProfileData, + FX_DWORD dwSrcProfileSize, + int32_t& nSrcComponents, + const uint8_t* pDstProfileData, + FX_DWORD dwDstProfileSize, + int32_t intent = 0, + FX_DWORD dwSrcFormat = Icc_FORMAT_DEFAULT, + FX_DWORD dwDstFormat = Icc_FORMAT_DEFAULT); + virtual void DestroyTransform(void* pTransform); + virtual void Translate(void* pTransform, + FX_FLOAT* pSrcValues, + FX_FLOAT* pDestValues); + virtual void TranslateScanline(void* pTransform, + uint8_t* pDest, + const uint8_t* pSrc, + int pixels); + virtual void SetComponents(FX_DWORD nComponents) { + m_nComponents = nComponents; + } + virtual ~CCodec_IccModule(); + + protected: + CFX_MapByteStringToPtr m_MapTranform; + CFX_MapByteStringToPtr m_MapProfile; + FX_DWORD m_nComponents; + typedef enum { + Icc_CLASS_INPUT = 0, + Icc_CLASS_OUTPUT, + Icc_CLASS_PROOF, + Icc_CLASS_MAX + } Icc_CLASS; + void* CreateProfile(ICodec_IccModule::IccParam* pIccParam, + Icc_CLASS ic, + CFX_BinaryBuf* pTransformKey); }; -class CCodec_JpxModule : public ICodec_JpxModule -{ -public: - CCodec_JpxModule(); - void* CreateDecoder(const uint8_t* src_buf, FX_DWORD src_size, FX_BOOL useColorSpace = FALSE); - void GetImageInfo(void* ctx, FX_DWORD& width, FX_DWORD& height, - FX_DWORD& codestream_nComps, FX_DWORD& output_nComps); - FX_BOOL Decode(void* ctx, uint8_t* dest_data, int pitch, FX_BOOL bTranslateColor, uint8_t* offsets); - void DestroyDecoder(void* ctx); +class CCodec_JpxModule : public ICodec_JpxModule { + public: + CCodec_JpxModule(); + void* CreateDecoder(const uint8_t* src_buf, + FX_DWORD src_size, + FX_BOOL useColorSpace = FALSE); + void GetImageInfo(void* ctx, + FX_DWORD& width, + FX_DWORD& height, + FX_DWORD& codestream_nComps, + FX_DWORD& output_nComps); + FX_BOOL Decode(void* ctx, + uint8_t* dest_data, + int pitch, + FX_BOOL bTranslateColor, + uint8_t* offsets); + void DestroyDecoder(void* ctx); }; -class CCodec_TiffModule : public ICodec_TiffModule -{ -public: - virtual void* CreateDecoder(IFX_FileRead* file_ptr); - virtual void GetFrames(void* ctx, int32_t& frames); - virtual FX_BOOL LoadFrameInfo(void* ctx, int32_t frame, FX_DWORD& width, FX_DWORD& height, FX_DWORD& comps, FX_DWORD& bpc, CFX_DIBAttribute* pAttribute = NULL); - virtual FX_BOOL Decode(void* ctx, class CFX_DIBitmap* pDIBitmap); - virtual void DestroyDecoder(void* ctx); +class CCodec_TiffModule : public ICodec_TiffModule { + public: + virtual void* CreateDecoder(IFX_FileRead* file_ptr); + virtual void GetFrames(void* ctx, int32_t& frames); + virtual FX_BOOL LoadFrameInfo(void* ctx, + int32_t frame, + FX_DWORD& width, + FX_DWORD& height, + FX_DWORD& comps, + FX_DWORD& bpc, + CFX_DIBAttribute* pAttribute = NULL); + virtual FX_BOOL Decode(void* ctx, class CFX_DIBitmap* pDIBitmap); + virtual void DestroyDecoder(void* ctx); }; -class CPDF_Jbig2Interface : public CJBig2_Module -{ -public: - virtual void *JBig2_Malloc(FX_DWORD dwSize) - { - return FX_Alloc(uint8_t, dwSize); - } - virtual void *JBig2_Malloc2(FX_DWORD num, FX_DWORD dwSize) - { - if (dwSize && num >= UINT_MAX / dwSize) { - return NULL; - } - return FX_Alloc(uint8_t, num * dwSize); - } - virtual void *JBig2_Malloc3(FX_DWORD num, FX_DWORD dwSize, FX_DWORD dwSize2) - { - if (dwSize2 && dwSize >= UINT_MAX / dwSize2) { - return NULL; - } - FX_DWORD size = dwSize2 * dwSize; - if (size && num >= UINT_MAX / size) { - return NULL; - } - return FX_Alloc(uint8_t, num * size); +class CPDF_Jbig2Interface : public CJBig2_Module { + public: + virtual void* JBig2_Malloc(FX_DWORD dwSize) { + return FX_Alloc(uint8_t, dwSize); + } + virtual void* JBig2_Malloc2(FX_DWORD num, FX_DWORD dwSize) { + if (dwSize && num >= UINT_MAX / dwSize) { + return NULL; } - virtual void *JBig2_Realloc(void* pMem, FX_DWORD dwSize) - { - return FX_Realloc(uint8_t, pMem, dwSize); + return FX_Alloc(uint8_t, num * dwSize); + } + virtual void* JBig2_Malloc3(FX_DWORD num, FX_DWORD dwSize, FX_DWORD dwSize2) { + if (dwSize2 && dwSize >= UINT_MAX / dwSize2) { + return NULL; } - virtual void JBig2_Free(void* pMem) - { - FX_Free(pMem); + FX_DWORD size = dwSize2 * dwSize; + if (size && num >= UINT_MAX / size) { + return NULL; } + return FX_Alloc(uint8_t, num * size); + } + virtual void* JBig2_Realloc(void* pMem, FX_DWORD dwSize) { + return FX_Realloc(uint8_t, pMem, dwSize); + } + virtual void JBig2_Free(void* pMem) { FX_Free(pMem); } }; -class CCodec_Jbig2Context -{ -public: - CCodec_Jbig2Context(); - ~CCodec_Jbig2Context() {}; - - FX_DWORD m_width; - FX_DWORD m_height; - uint8_t* m_src_buf; - FX_DWORD m_src_size; - const uint8_t* m_global_data; - FX_DWORD m_global_size; - uint8_t* m_dest_buf; - FX_DWORD m_dest_pitch; - FX_BOOL m_bFileReader; - IFX_Pause* m_pPause; - CJBig2_Context* m_pContext; - CJBig2_Image* m_dest_image; +class CCodec_Jbig2Context { + public: + CCodec_Jbig2Context(); + ~CCodec_Jbig2Context(){}; + + FX_DWORD m_width; + FX_DWORD m_height; + uint8_t* m_src_buf; + FX_DWORD m_src_size; + const uint8_t* m_global_data; + FX_DWORD m_global_size; + uint8_t* m_dest_buf; + FX_DWORD m_dest_pitch; + FX_BOOL m_bFileReader; + IFX_Pause* m_pPause; + CJBig2_Context* m_pContext; + CJBig2_Image* m_dest_image; }; -class CCodec_Jbig2Module : public ICodec_Jbig2Module -{ -public: - CCodec_Jbig2Module() {}; - ~CCodec_Jbig2Module(); - FX_BOOL Decode(FX_DWORD width, FX_DWORD height, const uint8_t* src_buf, FX_DWORD src_size, - const uint8_t* global_data, FX_DWORD global_size, uint8_t* dest_buf, FX_DWORD dest_pitch); - FX_BOOL Decode(IFX_FileRead* file_ptr, - FX_DWORD& width, FX_DWORD& height, FX_DWORD& pitch, uint8_t*& dest_buf); - void* CreateJbig2Context(); - FXCODEC_STATUS StartDecode(void* pJbig2Context, FX_DWORD width, FX_DWORD height, const uint8_t* src_buf, FX_DWORD src_size, - const uint8_t* global_data, FX_DWORD global_size, uint8_t* dest_buf, FX_DWORD dest_pitch, IFX_Pause* pPause); - - FXCODEC_STATUS StartDecode(void* pJbig2Context, IFX_FileRead* file_ptr, - FX_DWORD& width, FX_DWORD& height, FX_DWORD& pitch, uint8_t*& dest_buf, IFX_Pause* pPause); - FXCODEC_STATUS ContinueDecode(void* pJbig2Context, IFX_Pause* pPause); - void DestroyJbig2Context(void* pJbig2Context); - CPDF_Jbig2Interface m_Module; - std::list<CJBig2_CachePair> m_SymbolDictCache; -private: +class CCodec_Jbig2Module : public ICodec_Jbig2Module { + public: + CCodec_Jbig2Module(){}; + ~CCodec_Jbig2Module(); + FX_BOOL Decode(FX_DWORD width, + FX_DWORD height, + const uint8_t* src_buf, + FX_DWORD src_size, + const uint8_t* global_data, + FX_DWORD global_size, + uint8_t* dest_buf, + FX_DWORD dest_pitch); + FX_BOOL Decode(IFX_FileRead* file_ptr, + FX_DWORD& width, + FX_DWORD& height, + FX_DWORD& pitch, + uint8_t*& dest_buf); + void* CreateJbig2Context(); + FXCODEC_STATUS StartDecode(void* pJbig2Context, + FX_DWORD width, + FX_DWORD height, + const uint8_t* src_buf, + FX_DWORD src_size, + const uint8_t* global_data, + FX_DWORD global_size, + uint8_t* dest_buf, + FX_DWORD dest_pitch, + IFX_Pause* pPause); + + FXCODEC_STATUS StartDecode(void* pJbig2Context, + IFX_FileRead* file_ptr, + FX_DWORD& width, + FX_DWORD& height, + FX_DWORD& pitch, + uint8_t*& dest_buf, + IFX_Pause* pPause); + FXCODEC_STATUS ContinueDecode(void* pJbig2Context, IFX_Pause* pPause); + void DestroyJbig2Context(void* pJbig2Context); + CPDF_Jbig2Interface m_Module; + std::list<CJBig2_CachePair> m_SymbolDictCache; + + private: }; -class CFX_DIBAttributeExif : public IFX_DIBAttributeExif -{ -public: - CFX_DIBAttributeExif(); - ~CFX_DIBAttributeExif(); - virtual FX_BOOL GetInfo(FX_WORD tag, void* val); - - FX_BOOL ParseExif(CFX_MapPtrTemplate<FX_DWORD, uint8_t*>* pHead, uint8_t* data, FX_DWORD len, CFX_MapPtrTemplate<FX_DWORD, uint8_t*>* pVal); - - typedef FX_WORD (*_Read2Bytes)(uint8_t* data); - typedef FX_DWORD (*_Read4Bytes)(uint8_t* data); - uint8_t* ParseExifIFH(uint8_t* data, FX_DWORD len, _Read2Bytes* pReadWord, _Read4Bytes* pReadDword); - FX_BOOL ParseExifIFD(CFX_MapPtrTemplate<FX_DWORD, uint8_t*>* pMap, uint8_t* data, FX_DWORD len); - - uint8_t* m_pExifData; - - FX_DWORD m_dwExifDataLen; - - void clear(); - _Read2Bytes m_readWord; - _Read4Bytes m_readDword; - CFX_MapPtrTemplate<FX_DWORD, uint8_t*> m_TagHead; - CFX_MapPtrTemplate<FX_DWORD, uint8_t*> m_TagVal; +class CFX_DIBAttributeExif : public IFX_DIBAttributeExif { + public: + CFX_DIBAttributeExif(); + ~CFX_DIBAttributeExif(); + virtual FX_BOOL GetInfo(FX_WORD tag, void* val); + + FX_BOOL ParseExif(CFX_MapPtrTemplate<FX_DWORD, uint8_t*>* pHead, + uint8_t* data, + FX_DWORD len, + CFX_MapPtrTemplate<FX_DWORD, uint8_t*>* pVal); + + typedef FX_WORD (*_Read2Bytes)(uint8_t* data); + typedef FX_DWORD (*_Read4Bytes)(uint8_t* data); + uint8_t* ParseExifIFH(uint8_t* data, + FX_DWORD len, + _Read2Bytes* pReadWord, + _Read4Bytes* pReadDword); + FX_BOOL ParseExifIFD(CFX_MapPtrTemplate<FX_DWORD, uint8_t*>* pMap, + uint8_t* data, + FX_DWORD len); + + uint8_t* m_pExifData; + + FX_DWORD m_dwExifDataLen; + + void clear(); + _Read2Bytes m_readWord; + _Read4Bytes m_readDword; + CFX_MapPtrTemplate<FX_DWORD, uint8_t*> m_TagHead; + CFX_MapPtrTemplate<FX_DWORD, uint8_t*> m_TagVal; }; struct DecodeData { -public: - DecodeData(unsigned char* src_data, OPJ_SIZE_T src_size) : - src_data(src_data), src_size(src_size), offset(0) { - } - unsigned char* src_data; - OPJ_SIZE_T src_size; - OPJ_SIZE_T offset; + public: + DecodeData(unsigned char* src_data, OPJ_SIZE_T src_size) + : src_data(src_data), src_size(src_size), offset(0) {} + unsigned char* src_data; + OPJ_SIZE_T src_size; + OPJ_SIZE_T offset; }; /* Wrappers for C-style callbacks. */ -OPJ_SIZE_T opj_read_from_memory (void* p_buffer, OPJ_SIZE_T nb_bytes, void* p_user_data); -OPJ_SIZE_T opj_write_from_memory (void* p_buffer, OPJ_SIZE_T nb_bytes, void* p_user_data); -OPJ_OFF_T opj_skip_from_memory (OPJ_OFF_T nb_bytes, void* p_user_data); -OPJ_BOOL opj_seek_from_memory (OPJ_OFF_T nb_bytes, void* p_user_data); +OPJ_SIZE_T opj_read_from_memory(void* p_buffer, + OPJ_SIZE_T nb_bytes, + void* p_user_data); +OPJ_SIZE_T opj_write_from_memory(void* p_buffer, + OPJ_SIZE_T nb_bytes, + void* p_user_data); +OPJ_OFF_T opj_skip_from_memory(OPJ_OFF_T nb_bytes, void* p_user_data); +OPJ_BOOL opj_seek_from_memory(OPJ_OFF_T nb_bytes, void* p_user_data); #endif // CORE_SRC_FXCODEC_CODEC_CODEC_INT_H_ diff --git a/core/src/fxcodec/codec/fx_codec.cpp b/core/src/fxcodec/codec/fx_codec.cpp index 96366fae2b..1ef85f91f0 100644 --- a/core/src/fxcodec/codec/fx_codec.cpp +++ b/core/src/fxcodec/codec/fx_codec.cpp @@ -8,748 +8,747 @@ #include "codec_int.h" CCodec_ModuleMgr::CCodec_ModuleMgr() - : m_pBasicModule(new CCodec_BasicModule), - m_pFaxModule(new CCodec_FaxModule), - m_pJpegModule(new CCodec_JpegModule), - m_pJpxModule(new CCodec_JpxModule), - m_pJbig2Module(new CCodec_Jbig2Module), - m_pIccModule(new CCodec_IccModule), - m_pFlateModule(new CCodec_FlateModule), - m_pPngModule(new CCodec_PngModule), - m_pGifModule(new CCodec_GifModule), - m_pBmpModule(new CCodec_BmpModule), - m_pTiffModule(new CCodec_TiffModule) { -} -CCodec_ScanlineDecoder::CCodec_ScanlineDecoder() -{ - m_NextLine = -1; - m_pDataCache = NULL; - m_pLastScanline = NULL; -} -CCodec_ScanlineDecoder::~CCodec_ScanlineDecoder() -{ - if (m_pDataCache) { - FX_Free(m_pDataCache); - } -} -uint8_t* CCodec_ScanlineDecoder::GetScanline(int line) -{ - if (m_pDataCache && line < m_pDataCache->m_nCachedLines) { - return &m_pDataCache->m_Data + line * m_Pitch; - } - if (m_NextLine == line + 1) { - return m_pLastScanline; - } - if (m_NextLine < 0 || m_NextLine > line) { - if (!v_Rewind()) { - return NULL; - } - m_NextLine = 0; - } - while (m_NextLine < line) { - ReadNextLine(); - m_NextLine ++; - } - m_pLastScanline = ReadNextLine(); - m_NextLine ++; + : m_pBasicModule(new CCodec_BasicModule), + m_pFaxModule(new CCodec_FaxModule), + m_pJpegModule(new CCodec_JpegModule), + m_pJpxModule(new CCodec_JpxModule), + m_pJbig2Module(new CCodec_Jbig2Module), + m_pIccModule(new CCodec_IccModule), + m_pFlateModule(new CCodec_FlateModule), + m_pPngModule(new CCodec_PngModule), + m_pGifModule(new CCodec_GifModule), + m_pBmpModule(new CCodec_BmpModule), + m_pTiffModule(new CCodec_TiffModule) {} +CCodec_ScanlineDecoder::CCodec_ScanlineDecoder() { + m_NextLine = -1; + m_pDataCache = NULL; + m_pLastScanline = NULL; +} +CCodec_ScanlineDecoder::~CCodec_ScanlineDecoder() { + if (m_pDataCache) { + FX_Free(m_pDataCache); + } +} +uint8_t* CCodec_ScanlineDecoder::GetScanline(int line) { + if (m_pDataCache && line < m_pDataCache->m_nCachedLines) { + return &m_pDataCache->m_Data + line * m_Pitch; + } + if (m_NextLine == line + 1) { return m_pLastScanline; -} -FX_BOOL CCodec_ScanlineDecoder::SkipToScanline(int line, IFX_Pause* pPause) -{ - if (m_pDataCache && line < m_pDataCache->m_nCachedLines) { - return FALSE; - } - if (m_NextLine == line || m_NextLine == line + 1) { - return FALSE; - } - if (m_NextLine < 0 || m_NextLine > line) { - v_Rewind(); - m_NextLine = 0; - } - m_pLastScanline = NULL; - while (m_NextLine < line) { - m_pLastScanline = ReadNextLine(); - m_NextLine ++; - if (pPause && pPause->NeedToPauseNow()) { - return TRUE; - } - } + } + if (m_NextLine < 0 || m_NextLine > line) { + if (!v_Rewind()) { + return NULL; + } + m_NextLine = 0; + } + while (m_NextLine < line) { + ReadNextLine(); + m_NextLine++; + } + m_pLastScanline = ReadNextLine(); + m_NextLine++; + return m_pLastScanline; +} +FX_BOOL CCodec_ScanlineDecoder::SkipToScanline(int line, IFX_Pause* pPause) { + if (m_pDataCache && line < m_pDataCache->m_nCachedLines) { return FALSE; -} -uint8_t* CCodec_ScanlineDecoder::ReadNextLine() -{ - uint8_t* pLine = v_GetNextLine(); - if (pLine == NULL) { - return NULL; - } - if (m_pDataCache && m_NextLine == m_pDataCache->m_nCachedLines) { - FXSYS_memcpy(&m_pDataCache->m_Data + m_NextLine * m_Pitch, pLine, m_Pitch); - m_pDataCache->m_nCachedLines ++; - } - return pLine; -} -void CCodec_ScanlineDecoder::DownScale(int dest_width, int dest_height) -{ - if (dest_width < 0) { - dest_width = -dest_width; - } - if (dest_height < 0) { - dest_height = -dest_height; - } - v_DownScale(dest_width, dest_height); - if (m_pDataCache) { - if (m_pDataCache->m_Height == m_OutputHeight && m_pDataCache->m_Width == m_OutputWidth) { - return; - } - FX_Free(m_pDataCache); - m_pDataCache = NULL; - } - m_pDataCache = (CCodec_ImageDataCache*)FX_TryAlloc(uint8_t, sizeof(CCodec_ImageDataCache) + m_Pitch * m_OutputHeight); - if (m_pDataCache == NULL) { - return; - } - m_pDataCache->m_Height = m_OutputHeight; - m_pDataCache->m_Width = m_OutputWidth; - m_pDataCache->m_nCachedLines = 0; -} -FX_BOOL CCodec_BasicModule::RunLengthEncode(const uint8_t* src_buf, FX_DWORD src_size, uint8_t*& dest_buf, - FX_DWORD& dest_size) -{ + } + if (m_NextLine == line || m_NextLine == line + 1) { return FALSE; -} -extern "C" double FXstrtod(const char* nptr, char** endptr) -{ - double ret = 0.0; - const char* ptr = nptr; - const char* exp_ptr = NULL; - int e_number = 0, - e_signal = 0, - e_point = 0, - is_negative = 0; - int exp_ret = 0, exp_sig = 1, - fra_ret = 0, fra_count = 0, fra_base = 1; - if(nptr == NULL) { - return 0.0; - } - for (;; ptr++) { - if(!e_number && !e_point && (*ptr == '\t' || *ptr == ' ')) { - continue; - } - if(*ptr >= '0' && *ptr <= '9') { - if(!e_number) { - e_number = 1; - } - if(!e_point) { - ret *= 10; - ret += (*ptr - '0'); - } else { - fra_count++; - fra_ret *= 10; - fra_ret += (*ptr - '0'); - } - continue; - } - if(!e_point && *ptr == '.') { - e_point = 1; - continue; - } - if(!e_number && !e_point && !e_signal) { - switch(*ptr) { - case '-': - is_negative = 1; - case '+': - e_signal = 1; - continue; - } - } - if(e_number && (*ptr == 'e' || *ptr == 'E')) { -#define EXPONENT_DETECT(ptr) \ - for(;;ptr++){ \ - if(*ptr < '0' || *ptr > '9'){ \ - if(endptr) *endptr = (char*)ptr; \ - break; \ - }else{ \ - exp_ret *= 10; \ - exp_ret += (*ptr - '0'); \ - continue; \ - } \ - } - exp_ptr = ptr++; - if(*ptr == '+' || *ptr == '-') { - exp_sig = (*ptr++ == '+') ? 1 : -1; - if(*ptr < '0' || *ptr > '9') { - if(endptr) { - *endptr = (char*)exp_ptr; - } - break; - } - EXPONENT_DETECT(ptr); - } else if(*ptr >= '0' && *ptr <= '9') { - EXPONENT_DETECT(ptr); - } else { - if(endptr) { - *endptr = (char*)exp_ptr; - } - break; - } -#undef EXPONENT_DETECT - break; - } - if(ptr != nptr && !e_number) { - if(endptr) { - *endptr = (char*)nptr; - } - break; + } + if (m_NextLine < 0 || m_NextLine > line) { + v_Rewind(); + m_NextLine = 0; + } + m_pLastScanline = NULL; + while (m_NextLine < line) { + m_pLastScanline = ReadNextLine(); + m_NextLine++; + if (pPause && pPause->NeedToPauseNow()) { + return TRUE; + } + } + return FALSE; +} +uint8_t* CCodec_ScanlineDecoder::ReadNextLine() { + uint8_t* pLine = v_GetNextLine(); + if (pLine == NULL) { + return NULL; + } + if (m_pDataCache && m_NextLine == m_pDataCache->m_nCachedLines) { + FXSYS_memcpy(&m_pDataCache->m_Data + m_NextLine * m_Pitch, pLine, m_Pitch); + m_pDataCache->m_nCachedLines++; + } + return pLine; +} +void CCodec_ScanlineDecoder::DownScale(int dest_width, int dest_height) { + if (dest_width < 0) { + dest_width = -dest_width; + } + if (dest_height < 0) { + dest_height = -dest_height; + } + v_DownScale(dest_width, dest_height); + if (m_pDataCache) { + if (m_pDataCache->m_Height == m_OutputHeight && + m_pDataCache->m_Width == m_OutputWidth) { + return; + } + FX_Free(m_pDataCache); + m_pDataCache = NULL; + } + m_pDataCache = (CCodec_ImageDataCache*)FX_TryAlloc( + uint8_t, sizeof(CCodec_ImageDataCache) + m_Pitch * m_OutputHeight); + if (m_pDataCache == NULL) { + return; + } + m_pDataCache->m_Height = m_OutputHeight; + m_pDataCache->m_Width = m_OutputWidth; + m_pDataCache->m_nCachedLines = 0; +} +FX_BOOL CCodec_BasicModule::RunLengthEncode(const uint8_t* src_buf, + FX_DWORD src_size, + uint8_t*& dest_buf, + FX_DWORD& dest_size) { + return FALSE; +} +extern "C" double FXstrtod(const char* nptr, char** endptr) { + double ret = 0.0; + const char* ptr = nptr; + const char* exp_ptr = NULL; + int e_number = 0, e_signal = 0, e_point = 0, is_negative = 0; + int exp_ret = 0, exp_sig = 1, fra_ret = 0, fra_count = 0, fra_base = 1; + if (nptr == NULL) { + return 0.0; + } + for (;; ptr++) { + if (!e_number && !e_point && (*ptr == '\t' || *ptr == ' ')) { + continue; + } + if (*ptr >= '0' && *ptr <= '9') { + if (!e_number) { + e_number = 1; + } + if (!e_point) { + ret *= 10; + ret += (*ptr - '0'); + } else { + fra_count++; + fra_ret *= 10; + fra_ret += (*ptr - '0'); + } + continue; + } + if (!e_point && *ptr == '.') { + e_point = 1; + continue; + } + if (!e_number && !e_point && !e_signal) { + switch (*ptr) { + case '-': + is_negative = 1; + case '+': + e_signal = 1; + continue; + } + } + if (e_number && (*ptr == 'e' || *ptr == 'E')) { +#define EXPONENT_DETECT(ptr) \ + for (;; ptr++) { \ + if (*ptr < '0' || *ptr > '9') { \ + if (endptr) \ + *endptr = (char*)ptr; \ + break; \ + } else { \ + exp_ret *= 10; \ + exp_ret += (*ptr - '0'); \ + continue; \ + } \ + } + exp_ptr = ptr++; + if (*ptr == '+' || *ptr == '-') { + exp_sig = (*ptr++ == '+') ? 1 : -1; + if (*ptr < '0' || *ptr > '9') { + if (endptr) { + *endptr = (char*)exp_ptr; + } + break; } - if(endptr) { - *endptr = (char*)ptr; + EXPONENT_DETECT(ptr); + } else if (*ptr >= '0' && *ptr <= '9') { + EXPONENT_DETECT(ptr); + } else { + if (endptr) { + *endptr = (char*)exp_ptr; } break; - } - while(fra_count--) { - fra_base *= 10; - } - ret += (double)fra_ret / (double)fra_base; - if(exp_sig == 1) { - while(exp_ret--) { - ret *= 10.0; - } - } else { - while(exp_ret--) { - ret /= 10.0; - } - } - return is_negative ? -ret : ret; -} -FX_BOOL CCodec_BasicModule::A85Encode(const uint8_t* src_buf, FX_DWORD src_size, uint8_t*& dest_buf, - FX_DWORD& dest_size) -{ - return FALSE; -} -CFX_DIBAttribute::CFX_DIBAttribute() -{ - FXSYS_memset(this, 0, sizeof(CFX_DIBAttribute)); - m_nXDPI = -1; - m_nYDPI = -1; - m_fAspectRatio = -1.0f; - m_pExif = new CFX_DIBAttributeExif; -} -CFX_DIBAttribute::~CFX_DIBAttribute() -{ - if (m_pExif) { - delete m_pExif; - } -} -CFX_DIBAttributeExif::CFX_DIBAttributeExif() -{ - m_pExifData = NULL; - m_dwExifDataLen = 0; -} -CFX_DIBAttributeExif::~CFX_DIBAttributeExif() -{ - clear(); -} -void CFX_DIBAttributeExif::clear() -{ - if (m_pExifData) { - FX_Free(m_pExifData); - } - m_pExifData = NULL; - FX_DWORD key = 0; - uint8_t* buf = NULL; - FX_POSITION pos = NULL; - pos = m_TagHead.GetStartPosition(); - while (pos) { - m_TagHead.GetNextAssoc(pos, key, buf); - if (buf) { - FX_Free(buf); - } - } - m_TagHead.RemoveAll(); - pos = m_TagVal.GetStartPosition(); - while (pos) { - m_TagVal.GetNextAssoc(pos, key, buf); - if (buf) { - FX_Free(buf); - } - } - m_TagVal.RemoveAll(); -} -static FX_WORD _Read2BytesL(uint8_t* data) -{ - ASSERT(data); - return data[0] | (data[1] << 8); -} -static FX_WORD _Read2BytesB(uint8_t* data) -{ - ASSERT(data); - return data[1] | (data[0] << 8); -} -static FX_DWORD _Read4BytesL(uint8_t* data) -{ - return _Read2BytesL(data) | (_Read2BytesL(data + 2) << 16); -} -static FX_DWORD _Read4BytesB(uint8_t* data) -{ - return _Read2BytesB(data + 2) | (_Read2BytesB(data) << 16); -} -typedef FX_WORD (*_Read2Bytes) (uint8_t* data); -typedef FX_DWORD (*_Read4Bytes) (uint8_t* data); -typedef void (*_Write2Bytes) (uint8_t* data, FX_WORD val); -typedef void (*_Write4Bytes) (uint8_t* data, FX_DWORD val); -uint8_t* CFX_DIBAttributeExif::ParseExifIFH(uint8_t* data, FX_DWORD len, _Read2Bytes* pReadWord, _Read4Bytes* pReadDword) -{ + } +#undef EXPONENT_DETECT + break; + } + if (ptr != nptr && !e_number) { + if (endptr) { + *endptr = (char*)nptr; + } + break; + } + if (endptr) { + *endptr = (char*)ptr; + } + break; + } + while (fra_count--) { + fra_base *= 10; + } + ret += (double)fra_ret / (double)fra_base; + if (exp_sig == 1) { + while (exp_ret--) { + ret *= 10.0; + } + } else { + while (exp_ret--) { + ret /= 10.0; + } + } + return is_negative ? -ret : ret; +} +FX_BOOL CCodec_BasicModule::A85Encode(const uint8_t* src_buf, + FX_DWORD src_size, + uint8_t*& dest_buf, + FX_DWORD& dest_size) { + return FALSE; +} +CFX_DIBAttribute::CFX_DIBAttribute() { + FXSYS_memset(this, 0, sizeof(CFX_DIBAttribute)); + m_nXDPI = -1; + m_nYDPI = -1; + m_fAspectRatio = -1.0f; + m_pExif = new CFX_DIBAttributeExif; +} +CFX_DIBAttribute::~CFX_DIBAttribute() { + if (m_pExif) { + delete m_pExif; + } +} +CFX_DIBAttributeExif::CFX_DIBAttributeExif() { + m_pExifData = NULL; + m_dwExifDataLen = 0; +} +CFX_DIBAttributeExif::~CFX_DIBAttributeExif() { + clear(); +} +void CFX_DIBAttributeExif::clear() { + if (m_pExifData) { + FX_Free(m_pExifData); + } + m_pExifData = NULL; + FX_DWORD key = 0; + uint8_t* buf = NULL; + FX_POSITION pos = NULL; + pos = m_TagHead.GetStartPosition(); + while (pos) { + m_TagHead.GetNextAssoc(pos, key, buf); + if (buf) { + FX_Free(buf); + } + } + m_TagHead.RemoveAll(); + pos = m_TagVal.GetStartPosition(); + while (pos) { + m_TagVal.GetNextAssoc(pos, key, buf); + if (buf) { + FX_Free(buf); + } + } + m_TagVal.RemoveAll(); +} +static FX_WORD _Read2BytesL(uint8_t* data) { + ASSERT(data); + return data[0] | (data[1] << 8); +} +static FX_WORD _Read2BytesB(uint8_t* data) { + ASSERT(data); + return data[1] | (data[0] << 8); +} +static FX_DWORD _Read4BytesL(uint8_t* data) { + return _Read2BytesL(data) | (_Read2BytesL(data + 2) << 16); +} +static FX_DWORD _Read4BytesB(uint8_t* data) { + return _Read2BytesB(data + 2) | (_Read2BytesB(data) << 16); +} +typedef FX_WORD (*_Read2Bytes)(uint8_t* data); +typedef FX_DWORD (*_Read4Bytes)(uint8_t* data); +typedef void (*_Write2Bytes)(uint8_t* data, FX_WORD val); +typedef void (*_Write4Bytes)(uint8_t* data, FX_DWORD val); +uint8_t* CFX_DIBAttributeExif::ParseExifIFH(uint8_t* data, + FX_DWORD len, + _Read2Bytes* pReadWord, + _Read4Bytes* pReadDword) { + if (len > 8) { + FX_BOOL tag = FALSE; + if (FXSYS_memcmp(data, "\x49\x49\x2a\x00", 4) == 0) { + if (pReadWord) { + *pReadWord = _Read2BytesL; + } + if (pReadDword) { + *pReadDword = _Read4BytesL; + } + tag = TRUE; + } else if (FXSYS_memcmp(data, "\x4d\x4d\x00\x2a", 4) == 0) { + if (pReadWord) { + *pReadWord = _Read2BytesB; + } + if (pReadDword) { + *pReadDword = _Read4BytesB; + } + tag = TRUE; + } + if (tag) { + data += 4; + if (pReadDword) { + data += (*pReadDword)(data)-4; + } else { + data += 4; + } + } + } + return data; +} +FX_BOOL CFX_DIBAttributeExif::ParseExifIFD( + CFX_MapPtrTemplate<FX_DWORD, uint8_t*>* pMap, + uint8_t* data, + FX_DWORD len) { + if (pMap && data) { if (len > 8) { - FX_BOOL tag = FALSE; - if (FXSYS_memcmp(data, "\x49\x49\x2a\x00", 4) == 0) { - if (pReadWord) { - *pReadWord = _Read2BytesL; - } - if (pReadDword) { - *pReadDword = _Read4BytesL; - } - tag = TRUE; - } else if (FXSYS_memcmp(data, "\x4d\x4d\x00\x2a", 4) == 0) { - if (pReadWord) { - *pReadWord = _Read2BytesB; - } - if (pReadDword) { - *pReadDword = _Read4BytesB; - } - tag = TRUE; - } - if (tag) { - data += 4; - if (pReadDword) { - data += (*pReadDword)(data) - 4; - } else { - data += 4; - } + FX_WORD wTagNum = m_readWord(data); + data += 2; + FX_DWORD wTag; + uint8_t* buf; + while (wTagNum--) { + wTag = m_readWord(data); + data += 2; + if (!pMap->Lookup(wTag, buf)) { + buf = FX_Alloc(uint8_t, 10); + if (buf == NULL) { + return FALSE; + } + FXSYS_memcpy(buf, data, 10); + pMap->SetAt(wTag, buf); } - } - return data; -} -FX_BOOL CFX_DIBAttributeExif::ParseExifIFD(CFX_MapPtrTemplate<FX_DWORD, uint8_t*>* pMap, uint8_t* data, FX_DWORD len) -{ - if (pMap && data) { - if (len > 8) { - FX_WORD wTagNum = m_readWord(data); - data += 2; - FX_DWORD wTag; - uint8_t* buf; - while (wTagNum--) { - wTag = m_readWord(data); - data += 2; - if (!pMap->Lookup(wTag, buf)) { - buf = FX_Alloc(uint8_t, 10); - if (buf == NULL) { - return FALSE; - } - FXSYS_memcpy(buf, data, 10); - pMap->SetAt(wTag, buf); - } - data += 10; + data += 10; + } + FX_DWORD dwIFDOffset; + dwIFDOffset = m_readDword(data); + while (dwIFDOffset && dwIFDOffset < len) { + data = m_pExifData + dwIFDOffset; + wTagNum = m_readWord(data); + data += 2; + while (wTagNum--) { + wTag = m_readWord(data); + data += 2; + if (!pMap->Lookup(wTag, buf)) { + buf = FX_Alloc(uint8_t, 10); + if (buf == NULL) { + return FALSE; } - FX_DWORD dwIFDOffset; - dwIFDOffset = m_readDword(data); - while (dwIFDOffset && dwIFDOffset < len) { - data = m_pExifData + dwIFDOffset; - wTagNum = m_readWord(data); - data += 2; - while (wTagNum--) { - wTag = m_readWord(data); - data += 2; - if (!pMap->Lookup(wTag, buf)) { - buf = FX_Alloc(uint8_t, 10); - if (buf == NULL) { - return FALSE; - } - FXSYS_memcpy(buf, data, 10); - pMap->SetAt(wTag, buf); - } - data += 10; - } - dwIFDOffset = m_readDword(data); - } - return TRUE; + FXSYS_memcpy(buf, data, 10); + pMap->SetAt(wTag, buf); + } + data += 10; } + dwIFDOffset = m_readDword(data); + } + return TRUE; } - return FALSE; + } + return FALSE; } enum FX_ExifDataType { - FX_UnsignedByte = 1, - FX_AscString, - FX_UnsignedShort, - FX_UnsignedLong, - FX_UnsignedRation, - FX_SignedByte, - FX_Undefined, - FX_SignedShort, - FX_SignedLong, - FX_SignedRation, - FX_SignedFloat, - FX_DoubleFloat + FX_UnsignedByte = 1, + FX_AscString, + FX_UnsignedShort, + FX_UnsignedLong, + FX_UnsignedRation, + FX_SignedByte, + FX_Undefined, + FX_SignedShort, + FX_SignedLong, + FX_SignedRation, + FX_SignedFloat, + FX_DoubleFloat }; -FX_BOOL CFX_DIBAttributeExif::ParseExif(CFX_MapPtrTemplate<FX_DWORD, uint8_t*>* pHead, uint8_t* data, FX_DWORD len, CFX_MapPtrTemplate<FX_DWORD, uint8_t*>* pVal) -{ - if (pHead && data && pVal) { - if (len > 8) { - uint8_t* old_data = data; - data = ParseExifIFH(data, len, &m_readWord, &m_readDword); - if (data == old_data) { - return FALSE; - } - if (pHead->GetCount() == 0) { - if (!ParseExifIFD(pHead, data, len)) { - return FALSE; - } - } - FX_DWORD dwModuleNum; - FX_WORD type; - FX_DWORD dwSize; - FX_DWORD tag; - uint8_t* head; - FX_POSITION pos = pHead->GetStartPosition(); - while (pos) { - pHead->GetNextAssoc(pos, tag, head); - uint8_t* val = NULL; - uint8_t* buf = NULL; - uint8_t* temp = NULL; - int i; - if (head) { - type = m_readWord(head); - head += 2; - dwModuleNum = m_readDword(head); - head += 4; - switch (type) { - case FX_UnsignedByte: - case FX_AscString: - case FX_SignedByte: - case FX_Undefined: - dwSize = dwModuleNum; - val = FX_Alloc(uint8_t, dwSize); - if (val == NULL) { - return FALSE; - } - if (dwSize > 4) { - FXSYS_memcpy(val, old_data + m_readDword(head), dwSize); - } else { - FXSYS_memcpy(val, head, dwSize); - } - break; - case FX_UnsignedShort: - case FX_SignedShort: - dwSize = dwModuleNum << 1; - val = FX_Alloc(uint8_t, dwSize); - if (val == NULL) { - return FALSE; - } - if (dwSize > 4) { - FXSYS_memcpy(val, old_data + m_readDword(head), dwSize); - } else { - FXSYS_memcpy(val, head, dwSize); - } - buf = val; - for(i = 0; i < (int)dwModuleNum; i ++) { - *(FX_WORD*)buf = m_readWord(buf); - buf += 2; - } - break; - case FX_UnsignedLong: - case FX_SignedLong: - case FX_SignedFloat: - dwSize = dwModuleNum << 2; - val = FX_Alloc(uint8_t, dwSize); - if (val == NULL) { - return FALSE; - } - if (dwSize > 4) { - FXSYS_memcpy(val, old_data + m_readDword(head), dwSize); - } else { - FXSYS_memcpy(val, head, dwSize); - } - buf = val; - for(i = 0; i < (int)dwModuleNum; i ++) { - *(FX_DWORD*)buf = m_readDword(buf); - buf += 4; - } - break; - case FX_UnsignedRation: - case FX_SignedRation: { - dwSize = dwModuleNum << 3; - buf = FX_Alloc(uint8_t, dwSize); - if (buf == NULL) { - return FALSE; - } - if (dwSize > 4) { - FXSYS_memcpy(buf, old_data + m_readDword(head), dwSize); - } else { - FXSYS_memcpy(buf, head, dwSize); - } - temp = buf; - val = FX_Alloc(uint8_t, dwSize / 2); - if (val == NULL) { - FX_Free(buf); - return FALSE; - } - for(i = 0; i < (int)dwModuleNum; i ++) { - *(FX_DWORD*)temp = m_readDword(temp); - *(FX_DWORD*)(temp + 4) = m_readDword(temp + 4); - FX_DWORD* lNumerator = (FX_DWORD*)temp; - FX_DWORD* lNenominator = (FX_DWORD*)(temp + 4); - *(FX_FLOAT*)(val + i * 4) = (FX_FLOAT)(*lNumerator) / (FX_FLOAT)(*lNenominator); - temp += 8; - } - FX_Free(buf); - } - break; - case FX_DoubleFloat: - dwSize = dwModuleNum << 3; - val = FX_Alloc(uint8_t, dwSize); - if (val == NULL) { - return FALSE; - } - if (dwSize > 4) { - FXSYS_memcpy(val, old_data + m_readDword(head), dwSize); - } else { - FXSYS_memcpy(val, head, dwSize); - } - buf = val; - for(i = 0; i < (int)dwModuleNum; i ++) { - *(FX_DWORD*)buf = m_readDword(buf); - *(FX_DWORD*)(buf + 4) = m_readDword(buf + 4); - buf += 8; - } - break; - default: - return FALSE; - } - } - pVal->SetAt(tag, val); - } - return TRUE; +FX_BOOL CFX_DIBAttributeExif::ParseExif( + CFX_MapPtrTemplate<FX_DWORD, uint8_t*>* pHead, + uint8_t* data, + FX_DWORD len, + CFX_MapPtrTemplate<FX_DWORD, uint8_t*>* pVal) { + if (pHead && data && pVal) { + if (len > 8) { + uint8_t* old_data = data; + data = ParseExifIFH(data, len, &m_readWord, &m_readDword); + if (data == old_data) { + return FALSE; + } + if (pHead->GetCount() == 0) { + if (!ParseExifIFD(pHead, data, len)) { + return FALSE; } - } - return FALSE; -} -#define FXEXIF_INFOCONVERT(T) {T* src = (T*)ptr; T* dst = (T*)val; *dst = *src;} -FX_BOOL CFX_DIBAttributeExif::GetInfo( FX_WORD tag, void* val ) -{ - if (m_TagVal.GetCount() == 0) { - if (!ParseExif(&m_TagHead, m_pExifData, m_dwExifDataLen, &m_TagVal)) { - return FALSE; + } + FX_DWORD dwModuleNum; + FX_WORD type; + FX_DWORD dwSize; + FX_DWORD tag; + uint8_t* head; + FX_POSITION pos = pHead->GetStartPosition(); + while (pos) { + pHead->GetNextAssoc(pos, tag, head); + uint8_t* val = NULL; + uint8_t* buf = NULL; + uint8_t* temp = NULL; + int i; + if (head) { + type = m_readWord(head); + head += 2; + dwModuleNum = m_readDword(head); + head += 4; + switch (type) { + case FX_UnsignedByte: + case FX_AscString: + case FX_SignedByte: + case FX_Undefined: + dwSize = dwModuleNum; + val = FX_Alloc(uint8_t, dwSize); + if (val == NULL) { + return FALSE; + } + if (dwSize > 4) { + FXSYS_memcpy(val, old_data + m_readDword(head), dwSize); + } else { + FXSYS_memcpy(val, head, dwSize); + } + break; + case FX_UnsignedShort: + case FX_SignedShort: + dwSize = dwModuleNum << 1; + val = FX_Alloc(uint8_t, dwSize); + if (val == NULL) { + return FALSE; + } + if (dwSize > 4) { + FXSYS_memcpy(val, old_data + m_readDword(head), dwSize); + } else { + FXSYS_memcpy(val, head, dwSize); + } + buf = val; + for (i = 0; i < (int)dwModuleNum; i++) { + *(FX_WORD*)buf = m_readWord(buf); + buf += 2; + } + break; + case FX_UnsignedLong: + case FX_SignedLong: + case FX_SignedFloat: + dwSize = dwModuleNum << 2; + val = FX_Alloc(uint8_t, dwSize); + if (val == NULL) { + return FALSE; + } + if (dwSize > 4) { + FXSYS_memcpy(val, old_data + m_readDword(head), dwSize); + } else { + FXSYS_memcpy(val, head, dwSize); + } + buf = val; + for (i = 0; i < (int)dwModuleNum; i++) { + *(FX_DWORD*)buf = m_readDword(buf); + buf += 4; + } + break; + case FX_UnsignedRation: + case FX_SignedRation: { + dwSize = dwModuleNum << 3; + buf = FX_Alloc(uint8_t, dwSize); + if (buf == NULL) { + return FALSE; + } + if (dwSize > 4) { + FXSYS_memcpy(buf, old_data + m_readDword(head), dwSize); + } else { + FXSYS_memcpy(buf, head, dwSize); + } + temp = buf; + val = FX_Alloc(uint8_t, dwSize / 2); + if (val == NULL) { + FX_Free(buf); + return FALSE; + } + for (i = 0; i < (int)dwModuleNum; i++) { + *(FX_DWORD*)temp = m_readDword(temp); + *(FX_DWORD*)(temp + 4) = m_readDword(temp + 4); + FX_DWORD* lNumerator = (FX_DWORD*)temp; + FX_DWORD* lNenominator = (FX_DWORD*)(temp + 4); + *(FX_FLOAT*)(val + i * 4) = + (FX_FLOAT)(*lNumerator) / (FX_FLOAT)(*lNenominator); + temp += 8; + } + FX_Free(buf); + } break; + case FX_DoubleFloat: + dwSize = dwModuleNum << 3; + val = FX_Alloc(uint8_t, dwSize); + if (val == NULL) { + return FALSE; + } + if (dwSize > 4) { + FXSYS_memcpy(val, old_data + m_readDword(head), dwSize); + } else { + FXSYS_memcpy(val, head, dwSize); + } + buf = val; + for (i = 0; i < (int)dwModuleNum; i++) { + *(FX_DWORD*)buf = m_readDword(buf); + *(FX_DWORD*)(buf + 4) = m_readDword(buf + 4); + buf += 8; + } + break; + default: + return FALSE; + } } - } - uint8_t* ptr = NULL; - if (m_TagVal.Lookup(tag, ptr)) { - switch (tag) { - case EXIFTAG_USHORT_RESUNIT: - FXEXIF_INFOCONVERT(FX_WORD); - { - FX_WORD* ptr = (FX_WORD*)val; - *ptr -= 1; - } - break; - case EXIFTAG_FLOAT_DPIX: - case EXIFTAG_FLOAT_DPIY: - FXEXIF_INFOCONVERT(FX_FLOAT); - break; - case EXIFTAG_USHORT_ORIENTATION: - FXEXIF_INFOCONVERT(FX_WORD); - break; - default: { - uint8_t** dst = (uint8_t**)val; - *dst = ptr; - } + pVal->SetAt(tag, val); + } + return TRUE; + } + } + return FALSE; +} +#define FXEXIF_INFOCONVERT(T) \ + { \ + T* src = (T*)ptr; \ + T* dst = (T*)val; \ + *dst = *src; \ + } +FX_BOOL CFX_DIBAttributeExif::GetInfo(FX_WORD tag, void* val) { + if (m_TagVal.GetCount() == 0) { + if (!ParseExif(&m_TagHead, m_pExifData, m_dwExifDataLen, &m_TagVal)) { + return FALSE; + } + } + uint8_t* ptr = NULL; + if (m_TagVal.Lookup(tag, ptr)) { + switch (tag) { + case EXIFTAG_USHORT_RESUNIT: + FXEXIF_INFOCONVERT(FX_WORD); + { + FX_WORD* ptr = (FX_WORD*)val; + *ptr -= 1; } - } - return TRUE; -} -class CCodec_RLScanlineDecoder : public CCodec_ScanlineDecoder -{ -public: - CCodec_RLScanlineDecoder(); - virtual ~CCodec_RLScanlineDecoder(); - FX_BOOL Create(const uint8_t* src_buf, FX_DWORD src_size, int width, int height, int nComps, int bpc); - virtual void v_DownScale(int dest_width, int dest_height) {} - virtual FX_BOOL v_Rewind(); - virtual uint8_t* v_GetNextLine(); - virtual FX_DWORD GetSrcOffset() - { - return m_SrcOffset; - } -protected: - FX_BOOL CheckDestSize(); - void GetNextOperator(); - void UpdateOperator(uint8_t used_bytes); + break; + case EXIFTAG_FLOAT_DPIX: + case EXIFTAG_FLOAT_DPIY: + FXEXIF_INFOCONVERT(FX_FLOAT); + break; + case EXIFTAG_USHORT_ORIENTATION: + FXEXIF_INFOCONVERT(FX_WORD); + break; + default: { + uint8_t** dst = (uint8_t**)val; + *dst = ptr; + } + } + } + return TRUE; +} +class CCodec_RLScanlineDecoder : public CCodec_ScanlineDecoder { + public: + CCodec_RLScanlineDecoder(); + virtual ~CCodec_RLScanlineDecoder(); + FX_BOOL Create(const uint8_t* src_buf, + FX_DWORD src_size, + int width, + int height, + int nComps, + int bpc); + virtual void v_DownScale(int dest_width, int dest_height) {} + virtual FX_BOOL v_Rewind(); + virtual uint8_t* v_GetNextLine(); + virtual FX_DWORD GetSrcOffset() { return m_SrcOffset; } + + protected: + FX_BOOL CheckDestSize(); + void GetNextOperator(); + void UpdateOperator(uint8_t used_bytes); - uint8_t* m_pScanline; - const uint8_t* m_pSrcBuf; - FX_DWORD m_SrcSize; - FX_DWORD m_dwLineBytes; - FX_DWORD m_SrcOffset; - FX_BOOL m_bEOD; - uint8_t m_Operator; + uint8_t* m_pScanline; + const uint8_t* m_pSrcBuf; + FX_DWORD m_SrcSize; + FX_DWORD m_dwLineBytes; + FX_DWORD m_SrcOffset; + FX_BOOL m_bEOD; + uint8_t m_Operator; }; CCodec_RLScanlineDecoder::CCodec_RLScanlineDecoder() - : m_pScanline(NULL) - , m_pSrcBuf(NULL) - , m_SrcSize(0) - , m_dwLineBytes(0) - , m_SrcOffset(0) - , m_bEOD(FALSE) - , m_Operator(0) -{ -} -CCodec_RLScanlineDecoder::~CCodec_RLScanlineDecoder() -{ - if (m_pScanline) { - FX_Free(m_pScanline); - } -} -FX_BOOL CCodec_RLScanlineDecoder::CheckDestSize() -{ - FX_DWORD i = 0; - FX_DWORD old_size = 0; - FX_DWORD dest_size = 0; - while (i < m_SrcSize) { - if (m_pSrcBuf[i] < 128) { - old_size = dest_size; - dest_size += m_pSrcBuf[i] + 1; - if (dest_size < old_size) { - return FALSE; - } - i += m_pSrcBuf[i] + 2; - } else if (m_pSrcBuf[i] > 128) { - old_size = dest_size; - dest_size += 257 - m_pSrcBuf[i]; - if (dest_size < old_size) { - return FALSE; - } - i += 2; - } else { - break; - } - } - if (((FX_DWORD)m_OrigWidth * m_nComps * m_bpc * m_OrigHeight + 7) / 8 > dest_size) { + : m_pScanline(NULL), + m_pSrcBuf(NULL), + m_SrcSize(0), + m_dwLineBytes(0), + m_SrcOffset(0), + m_bEOD(FALSE), + m_Operator(0) {} +CCodec_RLScanlineDecoder::~CCodec_RLScanlineDecoder() { + if (m_pScanline) { + FX_Free(m_pScanline); + } +} +FX_BOOL CCodec_RLScanlineDecoder::CheckDestSize() { + FX_DWORD i = 0; + FX_DWORD old_size = 0; + FX_DWORD dest_size = 0; + while (i < m_SrcSize) { + if (m_pSrcBuf[i] < 128) { + old_size = dest_size; + dest_size += m_pSrcBuf[i] + 1; + if (dest_size < old_size) { return FALSE; - } - return TRUE; -} -FX_BOOL CCodec_RLScanlineDecoder::Create(const uint8_t* src_buf, FX_DWORD src_size, int width, int height, int nComps, int bpc) -{ - m_pSrcBuf = src_buf; - m_SrcSize = src_size; - m_OutputWidth = m_OrigWidth = width; - m_OutputHeight = m_OrigHeight = height; - m_nComps = nComps; - m_bpc = bpc; - m_bColorTransformed = FALSE; - m_DownScale = 1; - m_Pitch = (width * nComps * bpc + 31) / 32 * 4; - m_dwLineBytes = (width * nComps * bpc + 7) / 8; - m_pScanline = FX_Alloc(uint8_t, m_Pitch); - return CheckDestSize(); -} -FX_BOOL CCodec_RLScanlineDecoder::v_Rewind() -{ - FXSYS_memset(m_pScanline, 0, m_Pitch); - m_SrcOffset = 0; - m_bEOD = FALSE; - m_Operator = 0; - return TRUE; -} -uint8_t* CCodec_RLScanlineDecoder::v_GetNextLine() -{ - if (m_SrcOffset == 0) { - GetNextOperator(); + } + i += m_pSrcBuf[i] + 2; + } else if (m_pSrcBuf[i] > 128) { + old_size = dest_size; + dest_size += 257 - m_pSrcBuf[i]; + if (dest_size < old_size) { + return FALSE; + } + i += 2; } else { - if (m_bEOD) { - return NULL; - } - } - FXSYS_memset(m_pScanline, 0, m_Pitch); - FX_DWORD col_pos = 0; - FX_BOOL eol = FALSE; - while (m_SrcOffset < m_SrcSize && !eol) { - if (m_Operator < 128) { - FX_DWORD copy_len = m_Operator + 1; - if (col_pos + copy_len >= m_dwLineBytes) { - copy_len = m_dwLineBytes - col_pos; - eol = TRUE; - } - if (copy_len >= m_SrcSize - m_SrcOffset) { - copy_len = m_SrcSize - m_SrcOffset; - m_bEOD = TRUE; - } - FXSYS_memcpy(m_pScanline + col_pos, m_pSrcBuf + m_SrcOffset, copy_len); - col_pos += copy_len; - UpdateOperator((uint8_t)copy_len); - } else if (m_Operator > 128) { - int fill = 0; - if (m_SrcOffset - 1 < m_SrcSize - 1) { - fill = m_pSrcBuf[m_SrcOffset]; - } - FX_DWORD duplicate_len = 257 - m_Operator; - if (col_pos + duplicate_len >= m_dwLineBytes) { - duplicate_len = m_dwLineBytes - col_pos; - eol = TRUE; - } - FXSYS_memset(m_pScanline + col_pos, fill, duplicate_len); - col_pos += duplicate_len; - UpdateOperator((uint8_t)duplicate_len); - } else { - m_bEOD = TRUE; - break; - } - } - return m_pScanline; -} -void CCodec_RLScanlineDecoder::GetNextOperator() -{ - if (m_SrcOffset >= m_SrcSize) { - m_Operator = 128; - return; - } - m_Operator = m_pSrcBuf[m_SrcOffset]; - m_SrcOffset ++; -} -void CCodec_RLScanlineDecoder::UpdateOperator(uint8_t used_bytes) -{ - if (used_bytes == 0) { - return; + break; } + } + if (((FX_DWORD)m_OrigWidth * m_nComps * m_bpc * m_OrigHeight + 7) / 8 > + dest_size) { + return FALSE; + } + return TRUE; +} +FX_BOOL CCodec_RLScanlineDecoder::Create(const uint8_t* src_buf, + FX_DWORD src_size, + int width, + int height, + int nComps, + int bpc) { + m_pSrcBuf = src_buf; + m_SrcSize = src_size; + m_OutputWidth = m_OrigWidth = width; + m_OutputHeight = m_OrigHeight = height; + m_nComps = nComps; + m_bpc = bpc; + m_bColorTransformed = FALSE; + m_DownScale = 1; + m_Pitch = (width * nComps * bpc + 31) / 32 * 4; + m_dwLineBytes = (width * nComps * bpc + 7) / 8; + m_pScanline = FX_Alloc(uint8_t, m_Pitch); + return CheckDestSize(); +} +FX_BOOL CCodec_RLScanlineDecoder::v_Rewind() { + FXSYS_memset(m_pScanline, 0, m_Pitch); + m_SrcOffset = 0; + m_bEOD = FALSE; + m_Operator = 0; + return TRUE; +} +uint8_t* CCodec_RLScanlineDecoder::v_GetNextLine() { + if (m_SrcOffset == 0) { + GetNextOperator(); + } else { + if (m_bEOD) { + return NULL; + } + } + FXSYS_memset(m_pScanline, 0, m_Pitch); + FX_DWORD col_pos = 0; + FX_BOOL eol = FALSE; + while (m_SrcOffset < m_SrcSize && !eol) { if (m_Operator < 128) { - FXSYS_assert((FX_DWORD)m_Operator + 1 >= used_bytes); - if (used_bytes == m_Operator + 1) { - m_SrcOffset += used_bytes; - GetNextOperator(); - return; - } - m_Operator -= used_bytes; - m_SrcOffset += used_bytes; - if (m_SrcOffset >= m_SrcSize) { - m_Operator = 128; - } - return; - } - uint8_t count = 257 - m_Operator; - FXSYS_assert((FX_DWORD)count >= used_bytes); - if (used_bytes == count) { - m_SrcOffset ++; - GetNextOperator(); - return; - } - count -= used_bytes; - m_Operator = 257 - count; -} -ICodec_ScanlineDecoder* CCodec_BasicModule::CreateRunLengthDecoder(const uint8_t* src_buf, FX_DWORD src_size, int width, int height, - int nComps, int bpc) -{ - CCodec_RLScanlineDecoder* pRLScanlineDecoder = new CCodec_RLScanlineDecoder; - if (!pRLScanlineDecoder->Create(src_buf, src_size, width, height, nComps, bpc)) { - delete pRLScanlineDecoder; - return NULL; - } - return pRLScanlineDecoder; + FX_DWORD copy_len = m_Operator + 1; + if (col_pos + copy_len >= m_dwLineBytes) { + copy_len = m_dwLineBytes - col_pos; + eol = TRUE; + } + if (copy_len >= m_SrcSize - m_SrcOffset) { + copy_len = m_SrcSize - m_SrcOffset; + m_bEOD = TRUE; + } + FXSYS_memcpy(m_pScanline + col_pos, m_pSrcBuf + m_SrcOffset, copy_len); + col_pos += copy_len; + UpdateOperator((uint8_t)copy_len); + } else if (m_Operator > 128) { + int fill = 0; + if (m_SrcOffset - 1 < m_SrcSize - 1) { + fill = m_pSrcBuf[m_SrcOffset]; + } + FX_DWORD duplicate_len = 257 - m_Operator; + if (col_pos + duplicate_len >= m_dwLineBytes) { + duplicate_len = m_dwLineBytes - col_pos; + eol = TRUE; + } + FXSYS_memset(m_pScanline + col_pos, fill, duplicate_len); + col_pos += duplicate_len; + UpdateOperator((uint8_t)duplicate_len); + } else { + m_bEOD = TRUE; + break; + } + } + return m_pScanline; +} +void CCodec_RLScanlineDecoder::GetNextOperator() { + if (m_SrcOffset >= m_SrcSize) { + m_Operator = 128; + return; + } + m_Operator = m_pSrcBuf[m_SrcOffset]; + m_SrcOffset++; +} +void CCodec_RLScanlineDecoder::UpdateOperator(uint8_t used_bytes) { + if (used_bytes == 0) { + return; + } + if (m_Operator < 128) { + FXSYS_assert((FX_DWORD)m_Operator + 1 >= used_bytes); + if (used_bytes == m_Operator + 1) { + m_SrcOffset += used_bytes; + GetNextOperator(); + return; + } + m_Operator -= used_bytes; + m_SrcOffset += used_bytes; + if (m_SrcOffset >= m_SrcSize) { + m_Operator = 128; + } + return; + } + uint8_t count = 257 - m_Operator; + FXSYS_assert((FX_DWORD)count >= used_bytes); + if (used_bytes == count) { + m_SrcOffset++; + GetNextOperator(); + return; + } + count -= used_bytes; + m_Operator = 257 - count; +} +ICodec_ScanlineDecoder* CCodec_BasicModule::CreateRunLengthDecoder( + const uint8_t* src_buf, + FX_DWORD src_size, + int width, + int height, + int nComps, + int bpc) { + CCodec_RLScanlineDecoder* pRLScanlineDecoder = new CCodec_RLScanlineDecoder; + if (!pRLScanlineDecoder->Create(src_buf, src_size, width, height, nComps, + bpc)) { + delete pRLScanlineDecoder; + return NULL; + } + return pRLScanlineDecoder; } diff --git a/core/src/fxcodec/codec/fx_codec_bmp.cpp b/core/src/fxcodec/codec/fx_codec_bmp.cpp index da7a8bf1a6..fddd076482 100644 --- a/core/src/fxcodec/codec/fx_codec_bmp.cpp +++ b/core/src/fxcodec/codec/fx_codec_bmp.cpp @@ -9,116 +9,119 @@ #include "codec_int.h"
#include "../lbmp/fx_bmp.h"
struct FXBMP_Context {
- bmp_decompress_struct_p bmp_ptr;
- void* parent_ptr;
- void* child_ptr;
+ bmp_decompress_struct_p bmp_ptr;
+ void* parent_ptr;
+ void* child_ptr;
- void* (*m_AllocFunc)(unsigned int);
- void (*m_FreeFunc)(void*);
+ void* (*m_AllocFunc)(unsigned int);
+ void (*m_FreeFunc)(void*);
};
extern "C" {
- static void* _bmp_alloc_func(unsigned int size)
- {
- return FX_Alloc(char, size);
- }
- static void _bmp_free_func(void* p)
- {
- if(p != NULL) {
- FX_Free(p);
- }
- }
+static void* _bmp_alloc_func(unsigned int size) {
+ return FX_Alloc(char, size);
+}
+static void _bmp_free_func(void* p) {
+ if (p != NULL) {
+ FX_Free(p);
+ }
+}
};
-static void _bmp_error_data(bmp_decompress_struct_p bmp_ptr, const FX_CHAR* err_msg)
-{
- FXSYS_strncpy((char*)bmp_ptr->err_ptr, err_msg, BMP_MAX_ERROR_SIZE - 1);
- longjmp(bmp_ptr->jmpbuf, 1);
+static void _bmp_error_data(bmp_decompress_struct_p bmp_ptr,
+ const FX_CHAR* err_msg) {
+ FXSYS_strncpy((char*)bmp_ptr->err_ptr, err_msg, BMP_MAX_ERROR_SIZE - 1);
+ longjmp(bmp_ptr->jmpbuf, 1);
}
-static void _bmp_read_scanline(bmp_decompress_struct_p bmp_ptr, int32_t row_num, uint8_t* row_buf)
-{
- FXBMP_Context* p = (FXBMP_Context*)bmp_ptr->context_ptr;
- CCodec_BmpModule* pModule = (CCodec_BmpModule*)p->parent_ptr;
- pModule->ReadScanlineCallback(p->child_ptr, row_num, row_buf);
+static void _bmp_read_scanline(bmp_decompress_struct_p bmp_ptr,
+ int32_t row_num,
+ uint8_t* row_buf) {
+ FXBMP_Context* p = (FXBMP_Context*)bmp_ptr->context_ptr;
+ CCodec_BmpModule* pModule = (CCodec_BmpModule*)p->parent_ptr;
+ pModule->ReadScanlineCallback(p->child_ptr, row_num, row_buf);
}
-static FX_BOOL _bmp_get_data_position(bmp_decompress_struct_p bmp_ptr, FX_DWORD rcd_pos)
-{
- FXBMP_Context* p = (FXBMP_Context*)bmp_ptr->context_ptr;
- CCodec_BmpModule* pModule = (CCodec_BmpModule*)p->parent_ptr;
- return pModule->InputImagePositionBufCallback(p->child_ptr, rcd_pos);
+static FX_BOOL _bmp_get_data_position(bmp_decompress_struct_p bmp_ptr,
+ FX_DWORD rcd_pos) {
+ FXBMP_Context* p = (FXBMP_Context*)bmp_ptr->context_ptr;
+ CCodec_BmpModule* pModule = (CCodec_BmpModule*)p->parent_ptr;
+ return pModule->InputImagePositionBufCallback(p->child_ptr, rcd_pos);
}
-void* CCodec_BmpModule::Start(void* pModule)
-{
- FXBMP_Context* p = (FXBMP_Context*)FX_Alloc(uint8_t, sizeof(FXBMP_Context));
- if (p == NULL) {
- return NULL;
- }
- FXSYS_memset(p, 0, sizeof(FXBMP_Context));
- if(p == NULL) {
- return NULL;
- }
- p->m_AllocFunc = _bmp_alloc_func;
- p->m_FreeFunc = _bmp_free_func;
- p->bmp_ptr = NULL;
- p->parent_ptr = (void*)this;
- p->child_ptr = pModule;
- p->bmp_ptr = _bmp_create_decompress();
- if (p->bmp_ptr == NULL) {
- FX_Free(p);
- return NULL;
- }
- p->bmp_ptr->context_ptr = (void*)p;
- p->bmp_ptr->err_ptr = m_szLastError;
- p->bmp_ptr->_bmp_error_fn = _bmp_error_data;
- p->bmp_ptr->_bmp_get_row_fn = _bmp_read_scanline;
- p->bmp_ptr->_bmp_get_data_position_fn = _bmp_get_data_position;
- return p;
+void* CCodec_BmpModule::Start(void* pModule) {
+ FXBMP_Context* p = (FXBMP_Context*)FX_Alloc(uint8_t, sizeof(FXBMP_Context));
+ if (p == NULL) {
+ return NULL;
+ }
+ FXSYS_memset(p, 0, sizeof(FXBMP_Context));
+ if (p == NULL) {
+ return NULL;
+ }
+ p->m_AllocFunc = _bmp_alloc_func;
+ p->m_FreeFunc = _bmp_free_func;
+ p->bmp_ptr = NULL;
+ p->parent_ptr = (void*)this;
+ p->child_ptr = pModule;
+ p->bmp_ptr = _bmp_create_decompress();
+ if (p->bmp_ptr == NULL) {
+ FX_Free(p);
+ return NULL;
+ }
+ p->bmp_ptr->context_ptr = (void*)p;
+ p->bmp_ptr->err_ptr = m_szLastError;
+ p->bmp_ptr->_bmp_error_fn = _bmp_error_data;
+ p->bmp_ptr->_bmp_get_row_fn = _bmp_read_scanline;
+ p->bmp_ptr->_bmp_get_data_position_fn = _bmp_get_data_position;
+ return p;
}
-void CCodec_BmpModule::Finish(void* pContext)
-{
- FXBMP_Context* p = (FXBMP_Context*)pContext;
- if(p != NULL) {
- _bmp_destroy_decompress(&p->bmp_ptr);
- p->m_FreeFunc(p);
- }
+void CCodec_BmpModule::Finish(void* pContext) {
+ FXBMP_Context* p = (FXBMP_Context*)pContext;
+ if (p != NULL) {
+ _bmp_destroy_decompress(&p->bmp_ptr);
+ p->m_FreeFunc(p);
+ }
}
-int32_t CCodec_BmpModule::ReadHeader(void* pContext, int32_t* width, int32_t* height, FX_BOOL* tb_flag, int32_t* components, int32_t* pal_num, FX_DWORD** pal_pp, CFX_DIBAttribute* pAttribute)
-{
- FXBMP_Context* p = (FXBMP_Context*)pContext;
- if(setjmp(p->bmp_ptr->jmpbuf)) {
- return 0;
- }
- int32_t ret = _bmp_read_header(p->bmp_ptr);
- if (ret != 1) {
- return ret;
- }
- *width = p->bmp_ptr->width;
- *height = p->bmp_ptr->height;
- *tb_flag = p->bmp_ptr->imgTB_flag;
- *components = p->bmp_ptr->components;
- *pal_num = p->bmp_ptr->pal_num;
- *pal_pp = p->bmp_ptr->pal_ptr;
- if (pAttribute) {
- pAttribute->m_wDPIUnit = FXCODEC_RESUNIT_METER;
- pAttribute->m_nXDPI = p->bmp_ptr->dpi_x;
- pAttribute->m_nYDPI = p->bmp_ptr->dpi_y;
- pAttribute->m_nBmpCompressType = p->bmp_ptr->compress_flag;
- }
- return 1;
+int32_t CCodec_BmpModule::ReadHeader(void* pContext,
+ int32_t* width,
+ int32_t* height,
+ FX_BOOL* tb_flag,
+ int32_t* components,
+ int32_t* pal_num,
+ FX_DWORD** pal_pp,
+ CFX_DIBAttribute* pAttribute) {
+ FXBMP_Context* p = (FXBMP_Context*)pContext;
+ if (setjmp(p->bmp_ptr->jmpbuf)) {
+ return 0;
+ }
+ int32_t ret = _bmp_read_header(p->bmp_ptr);
+ if (ret != 1) {
+ return ret;
+ }
+ *width = p->bmp_ptr->width;
+ *height = p->bmp_ptr->height;
+ *tb_flag = p->bmp_ptr->imgTB_flag;
+ *components = p->bmp_ptr->components;
+ *pal_num = p->bmp_ptr->pal_num;
+ *pal_pp = p->bmp_ptr->pal_ptr;
+ if (pAttribute) {
+ pAttribute->m_wDPIUnit = FXCODEC_RESUNIT_METER;
+ pAttribute->m_nXDPI = p->bmp_ptr->dpi_x;
+ pAttribute->m_nYDPI = p->bmp_ptr->dpi_y;
+ pAttribute->m_nBmpCompressType = p->bmp_ptr->compress_flag;
+ }
+ return 1;
}
-int32_t CCodec_BmpModule::LoadImage(void* pContext)
-{
- FXBMP_Context* p = (FXBMP_Context*)pContext;
- if(setjmp(p->bmp_ptr->jmpbuf)) {
- return 0;
- }
- return _bmp_decode_image(p->bmp_ptr);
+int32_t CCodec_BmpModule::LoadImage(void* pContext) {
+ FXBMP_Context* p = (FXBMP_Context*)pContext;
+ if (setjmp(p->bmp_ptr->jmpbuf)) {
+ return 0;
+ }
+ return _bmp_decode_image(p->bmp_ptr);
}
-FX_DWORD CCodec_BmpModule::GetAvailInput(void* pContext, uint8_t** avial_buf_ptr)
-{
- FXBMP_Context* p = (FXBMP_Context*)pContext;
- return _bmp_get_avail_input(p->bmp_ptr, avial_buf_ptr);
+FX_DWORD CCodec_BmpModule::GetAvailInput(void* pContext,
+ uint8_t** avial_buf_ptr) {
+ FXBMP_Context* p = (FXBMP_Context*)pContext;
+ return _bmp_get_avail_input(p->bmp_ptr, avial_buf_ptr);
}
-void CCodec_BmpModule::Input(void* pContext, const uint8_t* src_buf, FX_DWORD src_size)
-{
- FXBMP_Context* p = (FXBMP_Context*)pContext;
- _bmp_input_buffer(p->bmp_ptr, (uint8_t*)src_buf, src_size);
+void CCodec_BmpModule::Input(void* pContext,
+ const uint8_t* src_buf,
+ FX_DWORD src_size) {
+ FXBMP_Context* p = (FXBMP_Context*)pContext;
+ _bmp_input_buffer(p->bmp_ptr, (uint8_t*)src_buf, src_size);
}
diff --git a/core/src/fxcodec/codec/fx_codec_fax.cpp b/core/src/fxcodec/codec/fx_codec_fax.cpp index d45600372f..4260309380 100644 --- a/core/src/fxcodec/codec/fx_codec_fax.cpp +++ b/core/src/fxcodec/codec/fx_codec_fax.cpp @@ -7,981 +7,813 @@ #include "../../../include/fxcodec/fx_codec.h" #include "codec_int.h" const uint8_t OneLeadPos[256] = { - 8, 7, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, - 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 8, 7, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }; const uint8_t ZeroLeadPos[256] = { - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 6, 6, 7, 8, }; -int _FindBit(const uint8_t* data_buf, int max_pos, int start_pos, int bit) -{ - if (start_pos >= max_pos) { - return max_pos; - } - const uint8_t* leading_pos = bit ? OneLeadPos : ZeroLeadPos; - if (start_pos % 8) { - uint8_t data = data_buf[start_pos / 8]; - if (bit) { - data &= 0xff >> (start_pos % 8); - } else { - data |= 0xff << (8 - start_pos % 8); - } - if (leading_pos[data] < 8) { - return start_pos / 8 * 8 + leading_pos[data]; - } - start_pos += 7; - } - uint8_t skip = bit ? 0x00 : 0xff; - int byte_pos = start_pos / 8; - int max_byte = (max_pos + 7) / 8; - while (byte_pos < max_byte) { - if (data_buf[byte_pos] != skip) { - break; - } - byte_pos ++; - } - if (byte_pos == max_byte) { - return max_pos; - } - int pos = leading_pos[data_buf[byte_pos]] + byte_pos * 8; - if (pos > max_pos) { - pos = max_pos; - } - return pos; +int _FindBit(const uint8_t* data_buf, int max_pos, int start_pos, int bit) { + if (start_pos >= max_pos) { + return max_pos; + } + const uint8_t* leading_pos = bit ? OneLeadPos : ZeroLeadPos; + if (start_pos % 8) { + uint8_t data = data_buf[start_pos / 8]; + if (bit) { + data &= 0xff >> (start_pos % 8); + } else { + data |= 0xff << (8 - start_pos % 8); + } + if (leading_pos[data] < 8) { + return start_pos / 8 * 8 + leading_pos[data]; + } + start_pos += 7; + } + uint8_t skip = bit ? 0x00 : 0xff; + int byte_pos = start_pos / 8; + int max_byte = (max_pos + 7) / 8; + while (byte_pos < max_byte) { + if (data_buf[byte_pos] != skip) { + break; + } + byte_pos++; + } + if (byte_pos == max_byte) { + return max_pos; + } + int pos = leading_pos[data_buf[byte_pos]] + byte_pos * 8; + if (pos > max_pos) { + pos = max_pos; + } + return pos; +} +void _FaxG4FindB1B2(const uint8_t* ref_buf, + int columns, + int a0, + FX_BOOL a0color, + int& b1, + int& b2) { + if (a0color) { + a0color = 1; + } + uint8_t first_bit = + (a0 < 0) ? 1 : ((ref_buf[a0 / 8] & (1 << (7 - a0 % 8))) != 0); + b1 = _FindBit(ref_buf, columns, a0 + 1, !first_bit); + if (b1 >= columns) { + b1 = b2 = columns; + return; + } + if (first_bit == !a0color) { + b1 = _FindBit(ref_buf, columns, b1 + 1, first_bit); + first_bit = !first_bit; + } + if (b1 >= columns) { + b1 = b2 = columns; + return; + } + b2 = _FindBit(ref_buf, columns, b1 + 1, first_bit); +} +void _FaxFillBits(uint8_t* dest_buf, int columns, int startpos, int endpos) { + if (startpos < 0) { + startpos = 0; + } + if (endpos < 0) { + endpos = 0; + } + if (endpos >= columns) { + endpos = columns; + } + if (startpos >= endpos) { + return; + } + int first_byte = startpos / 8; + int last_byte = (endpos - 1) / 8; + if (first_byte == last_byte) { + for (int i = startpos % 8; i <= (endpos - 1) % 8; i++) { + dest_buf[first_byte] -= 1 << (7 - i); + } + return; + } + int i; + for (i = startpos % 8; i < 8; i++) { + dest_buf[first_byte] -= 1 << (7 - i); + } + for (i = 0; i <= (endpos - 1) % 8; i++) { + dest_buf[last_byte] -= 1 << (7 - i); + } + if (last_byte > first_byte + 1) { + FXSYS_memset(dest_buf + first_byte + 1, 0, last_byte - first_byte - 1); + } } -void _FaxG4FindB1B2(const uint8_t* ref_buf, int columns, int a0, FX_BOOL a0color, int& b1, int& b2) -{ - if (a0color) { - a0color = 1; +#define NEXTBIT \ + src_buf[bitpos / 8] & (1 << (7 - bitpos % 8)); \ + bitpos++; +#define ADDBIT(code, bit) \ + code = code << 1; \ + if (bit) \ + code++; +#define GETBIT(bitpos) src_buf[bitpos / 8] & (1 << (7 - bitpos % 8)) +static const uint8_t FaxBlackRunIns[] = { + 0, 2, 0x02, 3, 0, 0x03, + 2, 0, 2, 0x02, 1, 0, + 0x03, 4, 0, 2, 0x02, 6, + 0, 0x03, 5, 0, 1, 0x03, + 7, 0, 2, 0x04, 9, 0, + 0x05, 8, 0, 3, 0x04, 10, + 0, 0x05, 11, 0, 0x07, 12, + 0, 2, 0x04, 13, 0, 0x07, + 14, 0, 1, 0x18, 15, 0, + 5, 0x08, 18, 0, 0x0f, 64, + 0, 0x17, 16, 0, 0x18, 17, + 0, 0x37, 0, 0, 10, 0x08, + 0x00, 0x07, 0x0c, 0x40, 0x07, 0x0d, + 0x80, 0x07, 0x17, 24, 0, 0x18, + 25, 0, 0x28, 23, 0, 0x37, + 22, 0, 0x67, 19, 0, 0x68, + 20, 0, 0x6c, 21, 0, 54, + 0x12, 1984 % 256, 1984 / 256, 0x13, 2048 % 256, 2048 / 256, + 0x14, 2112 % 256, 2112 / 256, 0x15, 2176 % 256, 2176 / 256, + 0x16, 2240 % 256, 2240 / 256, 0x17, 2304 % 256, 2304 / 256, + 0x1c, 2368 % 256, 2368 / 256, 0x1d, 2432 % 256, 2432 / 256, + 0x1e, 2496 % 256, 2496 / 256, 0x1f, 2560 % 256, 2560 / 256, + 0x24, 52, 0, 0x27, 55, 0, + 0x28, 56, 0, 0x2b, 59, 0, + 0x2c, 60, 0, 0x33, 320 % 256, 320 / 256, + 0x34, 384 % 256, 384 / 256, 0x35, 448 % 256, 448 / 256, + 0x37, 53, 0, 0x38, 54, 0, + 0x52, 50, 0, 0x53, 51, 0, + 0x54, 44, 0, 0x55, 45, 0, + 0x56, 46, 0, 0x57, 47, 0, + 0x58, 57, 0, 0x59, 58, 0, + 0x5a, 61, 0, 0x5b, 256 % 256, 256 / 256, + 0x64, 48, 0, 0x65, 49, 0, + 0x66, 62, 0, 0x67, 63, 0, + 0x68, 30, 0, 0x69, 31, 0, + 0x6a, 32, 0, 0x6b, 33, 0, + 0x6c, 40, 0, 0x6d, 41, 0, + 0xc8, 128, 0, 0xc9, 192, 0, + 0xca, 26, 0, 0xcb, 27, 0, + 0xcc, 28, 0, 0xcd, 29, 0, + 0xd2, 34, 0, 0xd3, 35, 0, + 0xd4, 36, 0, 0xd5, 37, 0, + 0xd6, 38, 0, 0xd7, 39, 0, + 0xda, 42, 0, 0xdb, 43, 0, + 20, 0x4a, 640 % 256, 640 / 256, 0x4b, 704 % 256, + 704 / 256, 0x4c, 768 % 256, 768 / 256, 0x4d, 832 % 256, + 832 / 256, 0x52, 1280 % 256, 1280 / 256, 0x53, 1344 % 256, + 1344 / 256, 0x54, 1408 % 256, 1408 / 256, 0x55, 1472 % 256, + 1472 / 256, 0x5a, 1536 % 256, 1536 / 256, 0x5b, 1600 % 256, + 1600 / 256, 0x64, 1664 % 256, 1664 / 256, 0x65, 1728 % 256, + 1728 / 256, 0x6c, 512 % 256, 512 / 256, 0x6d, 576 % 256, + 576 / 256, 0x72, 896 % 256, 896 / 256, 0x73, 960 % 256, + 960 / 256, 0x74, 1024 % 256, 1024 / 256, 0x75, 1088 % 256, + 1088 / 256, 0x76, 1152 % 256, 1152 / 256, 0x77, 1216 % 256, + 1216 / 256, 0xff}; +static const uint8_t FaxWhiteRunIns[] = { + 0, 0, 0, 6, 0x07, 2, + 0, 0x08, 3, 0, 0x0B, 4, + 0, 0x0C, 5, 0, 0x0E, 6, + 0, 0x0F, 7, 0, 6, 0x07, + 10, 0, 0x08, 11, 0, 0x12, + 128, 0, 0x13, 8, 0, 0x14, + 9, 0, 0x1b, 64, 0, 9, + 0x03, 13, 0, 0x07, 1, 0, + 0x08, 12, 0, 0x17, 192, 0, + 0x18, 1664 % 256, 1664 / 256, 0x2a, 16, 0, + 0x2B, 17, 0, 0x34, 14, 0, + 0x35, 15, 0, 12, 0x03, 22, + 0, 0x04, 23, 0, 0x08, 20, + 0, 0x0c, 19, 0, 0x13, 26, + 0, 0x17, 21, 0, 0x18, 28, + 0, 0x24, 27, 0, 0x27, 18, + 0, 0x28, 24, 0, 0x2B, 25, + 0, 0x37, 256 % 256, 256 / 256, 42, 0x02, + 29, 0, 0x03, 30, 0, 0x04, + 45, 0, 0x05, 46, 0, 0x0a, + 47, 0, 0x0b, 48, 0, 0x12, + 33, 0, 0x13, 34, 0, 0x14, + 35, 0, 0x15, 36, 0, 0x16, + 37, 0, 0x17, 38, 0, 0x1a, + 31, 0, 0x1b, 32, 0, 0x24, + 53, 0, 0x25, 54, 0, 0x28, + 39, 0, 0x29, 40, 0, 0x2a, + 41, 0, 0x2b, 42, 0, 0x2c, + 43, 0, 0x2d, 44, 0, 0x32, + 61, 0, 0x33, 62, 0, 0x34, + 63, 0, 0x35, 0, 0, 0x36, + 320 % 256, 320 / 256, 0x37, 384 % 256, 384 / 256, 0x4a, + 59, 0, 0x4b, 60, 0, 0x52, + 49, 0, 0x53, 50, 0, 0x54, + 51, 0, 0x55, 52, 0, 0x58, + 55, 0, 0x59, 56, 0, 0x5a, + 57, 0, 0x5b, 58, 0, 0x64, + 448 % 256, 448 / 256, 0x65, 512 % 256, 512 / 256, 0x67, + 640 % 256, 640 / 256, 0x68, 576 % 256, 576 / 256, 16, + 0x98, 1472 % 256, 1472 / 256, 0x99, 1536 % 256, 1536 / 256, + 0x9a, 1600 % 256, 1600 / 256, 0x9b, 1728 % 256, 1728 / 256, + 0xcc, 704 % 256, 704 / 256, 0xcd, 768 % 256, 768 / 256, + 0xd2, 832 % 256, 832 / 256, 0xd3, 896 % 256, 896 / 256, + 0xd4, 960 % 256, 960 / 256, 0xd5, 1024 % 256, 1024 / 256, + 0xd6, 1088 % 256, 1088 / 256, 0xd7, 1152 % 256, 1152 / 256, + 0xd8, 1216 % 256, 1216 / 256, 0xd9, 1280 % 256, 1280 / 256, + 0xda, 1344 % 256, 1344 / 256, 0xdb, 1408 % 256, 1408 / 256, + 0, 3, 0x08, 1792 % 256, 1792 / 256, 0x0c, + 1856 % 256, 1856 / 256, 0x0d, 1920 % 256, 1920 / 256, 10, + 0x12, 1984 % 256, 1984 / 256, 0x13, 2048 % 256, 2048 / 256, + 0x14, 2112 % 256, 2112 / 256, 0x15, 2176 % 256, 2176 / 256, + 0x16, 2240 % 256, 2240 / 256, 0x17, 2304 % 256, 2304 / 256, + 0x1c, 2368 % 256, 2368 / 256, 0x1d, 2432 % 256, 2432 / 256, + 0x1e, 2496 % 256, 2496 / 256, 0x1f, 2560 % 256, 2560 / 256, + 0xff, +}; +int _FaxGetRun(const uint8_t* ins_array, + const uint8_t* src_buf, + int& bitpos, + int bitsize) { + FX_DWORD code = 0; + int ins_off = 0; + while (1) { + uint8_t ins = ins_array[ins_off++]; + if (ins == 0xff) { + return -1; } - uint8_t first_bit = (a0 < 0) ? 1 : ((ref_buf[a0 / 8] & (1 << (7 - a0 % 8))) != 0); - b1 = _FindBit(ref_buf, columns, a0 + 1, !first_bit); - if (b1 >= columns) { - b1 = b2 = columns; - return; + if (bitpos >= bitsize) { + return -1; } - if (first_bit == !a0color) { - b1 = _FindBit(ref_buf, columns, b1 + 1, first_bit); - first_bit = !first_bit; + code <<= 1; + if (src_buf[bitpos / 8] & (1 << (7 - bitpos % 8))) { + code++; } - if (b1 >= columns) { - b1 = b2 = columns; - return; + bitpos++; + int next_off = ins_off + ins * 3; + for (; ins_off < next_off; ins_off += 3) { + if (ins_array[ins_off] == code) { + return ins_array[ins_off + 1] + ins_array[ins_off + 2] * 256; + } } - b2 = _FindBit(ref_buf, columns, b1 + 1, first_bit); + } } -void _FaxFillBits(uint8_t* dest_buf, int columns, int startpos, int endpos) -{ - if (startpos < 0) { - startpos = 0; - } - if (endpos < 0) { - endpos = 0; - } - if (endpos >= columns) { - endpos = columns; - } - if (startpos >= endpos) { - return; +FX_BOOL _FaxG4GetRow(const uint8_t* src_buf, + int bitsize, + int& bitpos, + uint8_t* dest_buf, + const uint8_t* ref_buf, + int columns) { + int a0 = -1, a0color = 1; + while (1) { + if (bitpos >= bitsize) { + return FALSE; } - int first_byte = startpos / 8; - int last_byte = (endpos - 1) / 8; - if (first_byte == last_byte) { - for (int i = startpos % 8; i <= (endpos - 1) % 8; i ++) { - dest_buf[first_byte] -= 1 << (7 - i); + int a1, a2, b1, b2; + _FaxG4FindB1B2(ref_buf, columns, a0, a0color, b1, b2); + FX_BOOL bit = NEXTBIT; + int v_delta = 0; + if (bit) { + } else { + if (bitpos >= bitsize) { + return FALSE; + } + FX_BOOL bit1 = NEXTBIT; + if (bitpos >= bitsize) { + return FALSE; + } + FX_BOOL bit2 = NEXTBIT; + if (bit1 && bit2) { + v_delta = 1; + } else if (bit1) { + v_delta = -1; + } else if (bit2) { + int run_len1 = 0; + while (1) { + int run = _FaxGetRun(a0color ? FaxWhiteRunIns : FaxBlackRunIns, + src_buf, bitpos, bitsize); + run_len1 += run; + if (run < 64) { + break; + } } - return; - } - int i; - for (i = startpos % 8; i < 8; i ++) { - dest_buf[first_byte] -= 1 << (7 - i); - } - for (i = 0; i <= (endpos - 1) % 8; i ++) { - dest_buf[last_byte] -= 1 << (7 - i); - } - if (last_byte > first_byte + 1) { - FXSYS_memset(dest_buf + first_byte + 1, 0, last_byte - first_byte - 1); - } -} -#define NEXTBIT src_buf[bitpos/8] & (1 << (7-bitpos%8)); bitpos ++; -#define ADDBIT(code, bit) code = code << 1; if (bit) code ++; -#define GETBIT(bitpos) src_buf[bitpos/8] & (1 << (7-bitpos%8)) -static const uint8_t FaxBlackRunIns[] = { - 0, - 2, - 0x02, 3, 0, - 0x03, 2, 0, - 2, - 0x02, 1, 0, - 0x03, 4, 0, - 2, - 0x02, 6, 0, - 0x03, 5, 0, - 1, - 0x03, 7, 0, - 2, - 0x04, 9, 0, - 0x05, 8, 0, - 3, - 0x04, 10, 0, - 0x05, 11, 0, - 0x07, 12, 0, - 2, - 0x04, 13, 0, - 0x07, 14, 0, - 1, - 0x18, 15, 0, - 5, - 0x08, 18, 0, - 0x0f, 64, 0, - 0x17, 16, 0, - 0x18, 17, 0, - 0x37, 0, 0, - 10, - 0x08, 0x00, 0x07, - 0x0c, 0x40, 0x07, - 0x0d, 0x80, 0x07, - 0x17, 24, 0, - 0x18, 25, 0, - 0x28, 23, 0, - 0x37, 22, 0, - 0x67, 19, 0, - 0x68, 20, 0, - 0x6c, 21, 0, - 54, - 0x12, 1984 % 256, 1984 / 256, - 0x13, 2048 % 256, 2048 / 256, - 0x14, 2112 % 256, 2112 / 256, - 0x15, 2176 % 256, 2176 / 256, - 0x16, 2240 % 256, 2240 / 256, - 0x17, 2304 % 256, 2304 / 256, - 0x1c, 2368 % 256, 2368 / 256, - 0x1d, 2432 % 256, 2432 / 256, - 0x1e, 2496 % 256, 2496 / 256, - 0x1f, 2560 % 256, 2560 / 256, - 0x24, 52, 0, - 0x27, 55, 0, - 0x28, 56, 0, - 0x2b, 59, 0, - 0x2c, 60, 0, - 0x33, 320 % 256, 320 / 256, - 0x34, 384 % 256, 384 / 256, - 0x35, 448 % 256, 448 / 256, - 0x37, 53, 0, - 0x38, 54, 0, - 0x52, 50, 0, - 0x53, 51, 0, - 0x54, 44, 0, - 0x55, 45, 0, - 0x56, 46, 0, - 0x57, 47, 0, - 0x58, 57, 0, - 0x59, 58, 0, - 0x5a, 61, 0, - 0x5b, 256 % 256, 256 / 256, - 0x64, 48, 0, - 0x65, 49, 0, - 0x66, 62, 0, - 0x67, 63, 0, - 0x68, 30, 0, - 0x69, 31, 0, - 0x6a, 32, 0, - 0x6b, 33, 0, - 0x6c, 40, 0, - 0x6d, 41, 0, - 0xc8, 128, 0, - 0xc9, 192, 0, - 0xca, 26, 0, - 0xcb, 27, 0, - 0xcc, 28, 0, - 0xcd, 29, 0, - 0xd2, 34, 0, - 0xd3, 35, 0, - 0xd4, 36, 0, - 0xd5, 37, 0, - 0xd6, 38, 0, - 0xd7, 39, 0, - 0xda, 42, 0, - 0xdb, 43, 0, - 20, - 0x4a, 640 % 256, 640 / 256, - 0x4b, 704 % 256, 704 / 256, - 0x4c, 768 % 256, 768 / 256, - 0x4d, 832 % 256, 832 / 256, - 0x52, 1280 % 256, 1280 / 256, - 0x53, 1344 % 256, 1344 / 256, - 0x54, 1408 % 256, 1408 / 256, - 0x55, 1472 % 256, 1472 / 256, - 0x5a, 1536 % 256, 1536 / 256, - 0x5b, 1600 % 256, 1600 / 256, - 0x64, 1664 % 256, 1664 / 256, - 0x65, 1728 % 256, 1728 / 256, - 0x6c, 512 % 256, 512 / 256, - 0x6d, 576 % 256, 576 / 256, - 0x72, 896 % 256, 896 / 256, - 0x73, 960 % 256, 960 / 256, - 0x74, 1024 % 256, 1024 / 256, - 0x75, 1088 % 256, 1088 / 256, - 0x76, 1152 % 256, 1152 / 256, - 0x77, 1216 % 256, 1216 / 256, - 0xff -}; -static const uint8_t FaxWhiteRunIns[] = { - 0, - 0, - 0, - 6, - 0x07, 2, 0, - 0x08, 3, 0, - 0x0B, 4, 0, - 0x0C, 5, 0, - 0x0E, 6, 0, - 0x0F, 7, 0, - 6, - 0x07, 10, 0, - 0x08, 11, 0, - 0x12, 128, 0, - 0x13, 8, 0, - 0x14, 9, 0, - 0x1b, 64, 0, - 9, - 0x03, 13, 0, - 0x07, 1, 0, - 0x08, 12, 0, - 0x17, 192, 0, - 0x18, 1664 % 256, 1664 / 256, - 0x2a, 16, 0, - 0x2B, 17, 0, - 0x34, 14, 0, - 0x35, 15, 0, - 12, - 0x03, 22, 0, - 0x04, 23, 0, - 0x08, 20, 0, - 0x0c, 19, 0, - 0x13, 26, 0, - 0x17, 21, 0, - 0x18, 28, 0, - 0x24, 27, 0, - 0x27, 18, 0, - 0x28, 24, 0, - 0x2B, 25, 0, - 0x37, 256 % 256, 256 / 256, - 42, - 0x02, 29, 0, - 0x03, 30, 0, - 0x04, 45, 0, - 0x05, 46, 0, - 0x0a, 47, 0, - 0x0b, 48, 0, - 0x12, 33, 0, - 0x13, 34, 0, - 0x14, 35, 0, - 0x15, 36, 0, - 0x16, 37, 0, - 0x17, 38, 0, - 0x1a, 31, 0, - 0x1b, 32, 0, - 0x24, 53, 0, - 0x25, 54, 0, - 0x28, 39, 0, - 0x29, 40, 0, - 0x2a, 41, 0, - 0x2b, 42, 0, - 0x2c, 43, 0, - 0x2d, 44, 0, - 0x32, 61, 0, - 0x33, 62, 0, - 0x34, 63, 0, - 0x35, 0, 0, - 0x36, 320 % 256, 320 / 256, - 0x37, 384 % 256, 384 / 256, - 0x4a, 59, 0, - 0x4b, 60, 0, - 0x52, 49, 0, - 0x53, 50, 0, - 0x54, 51, 0, - 0x55, 52, 0, - 0x58, 55, 0, - 0x59, 56, 0, - 0x5a, 57, 0, - 0x5b, 58, 0, - 0x64, 448 % 256, 448 / 256, - 0x65, 512 % 256, 512 / 256, - 0x67, 640 % 256, 640 / 256, - 0x68, 576 % 256, 576 / 256, - 16, - 0x98, 1472 % 256, 1472 / 256, - 0x99, 1536 % 256, 1536 / 256, - 0x9a, 1600 % 256, 1600 / 256, - 0x9b, 1728 % 256, 1728 / 256, - 0xcc, 704 % 256, 704 / 256, - 0xcd, 768 % 256, 768 / 256, - 0xd2, 832 % 256, 832 / 256, - 0xd3, 896 % 256, 896 / 256, - 0xd4, 960 % 256, 960 / 256, - 0xd5, 1024 % 256, 1024 / 256, - 0xd6, 1088 % 256, 1088 / 256, - 0xd7, 1152 % 256, 1152 / 256, - 0xd8, 1216 % 256, 1216 / 256, - 0xd9, 1280 % 256, 1280 / 256, - 0xda, 1344 % 256, 1344 / 256, - 0xdb, 1408 % 256, 1408 / 256, - 0, - 3, - 0x08, 1792 % 256, 1792 / 256, - 0x0c, 1856 % 256, 1856 / 256, - 0x0d, 1920 % 256, 1920 / 256, - 10, - 0x12, 1984 % 256, 1984 / 256, - 0x13, 2048 % 256, 2048 / 256, - 0x14, 2112 % 256, 2112 / 256, - 0x15, 2176 % 256, 2176 / 256, - 0x16, 2240 % 256, 2240 / 256, - 0x17, 2304 % 256, 2304 / 256, - 0x1c, 2368 % 256, 2368 / 256, - 0x1d, 2432 % 256, 2432 / 256, - 0x1e, 2496 % 256, 2496 / 256, - 0x1f, 2560 % 256, 2560 / 256, - 0xff, -}; -int _FaxGetRun(const uint8_t* ins_array, const uint8_t* src_buf, int& bitpos, int bitsize) -{ - FX_DWORD code = 0; - int ins_off = 0; - while (1) { - uint8_t ins = ins_array[ins_off++]; - if (ins == 0xff) { - return -1; + if (a0 < 0) { + run_len1++; } - if (bitpos >= bitsize) { - return -1; + a1 = a0 + run_len1; + if (!a0color) { + _FaxFillBits(dest_buf, columns, a0, a1); } - code <<= 1; - if (src_buf[bitpos / 8] & (1 << (7 - bitpos % 8))) { - code ++; + int run_len2 = 0; + while (1) { + int run = _FaxGetRun(a0color ? FaxBlackRunIns : FaxWhiteRunIns, + src_buf, bitpos, bitsize); + run_len2 += run; + if (run < 64) { + break; + } } - bitpos ++; - int next_off = ins_off + ins * 3; - for (; ins_off < next_off; ins_off += 3) { - if (ins_array[ins_off] == code) { - return ins_array[ins_off + 1] + ins_array[ins_off + 2] * 256; - } + a2 = a1 + run_len2; + if (a0color) { + _FaxFillBits(dest_buf, columns, a1, a2); } - } -} -FX_BOOL _FaxG4GetRow(const uint8_t* src_buf, int bitsize, int& bitpos, uint8_t* dest_buf, const uint8_t* ref_buf, int columns) -{ - int a0 = -1, a0color = 1; - while (1) { + a0 = a2; + if (a0 < columns) { + continue; + } + return TRUE; + } else { if (bitpos >= bitsize) { - return FALSE; + return FALSE; } - int a1, a2, b1, b2; - _FaxG4FindB1B2(ref_buf, columns, a0, a0color, b1, b2); - FX_BOOL bit = NEXTBIT; - int v_delta = 0; + bit = NEXTBIT; if (bit) { + if (!a0color) { + _FaxFillBits(dest_buf, columns, a0, b2); + } + if (b2 >= columns) { + return TRUE; + } + a0 = b2; + continue; } else { + if (bitpos >= bitsize) { + return FALSE; + } + FX_BOOL bit1 = NEXTBIT; + if (bitpos >= bitsize) { + return FALSE; + } + FX_BOOL bit2 = NEXTBIT; + if (bit1 && bit2) { + v_delta = 2; + } else if (bit1) { + v_delta = -2; + } else if (bit2) { if (bitpos >= bitsize) { - return FALSE; + return FALSE; } - FX_BOOL bit1 = NEXTBIT; + bit = NEXTBIT; + if (bit) { + v_delta = 3; + } else { + v_delta = -3; + } + } else { if (bitpos >= bitsize) { - return FALSE; + return FALSE; } - FX_BOOL bit2 = NEXTBIT; - if (bit1 && bit2) { - v_delta = 1; - } else if (bit1) { - v_delta = -1; - } else if (bit2) { - int run_len1 = 0; - while (1) { - int run = _FaxGetRun(a0color ? FaxWhiteRunIns : FaxBlackRunIns, src_buf, bitpos, bitsize); - run_len1 += run; - if (run < 64) { - break; - } - } - if (a0 < 0) { - run_len1 ++; - } - a1 = a0 + run_len1; - if (!a0color) { - _FaxFillBits(dest_buf, columns, a0, a1); - } - int run_len2 = 0; - while (1) { - int run = _FaxGetRun(a0color ? FaxBlackRunIns : FaxWhiteRunIns, src_buf, bitpos, bitsize); - run_len2 += run; - if (run < 64) { - break; - } - } - a2 = a1 + run_len2; - if (a0color) { - _FaxFillBits(dest_buf, columns, a1, a2); - } - a0 = a2; - if (a0 < columns) { - continue; - } - return TRUE; + bit = NEXTBIT; + if (bit) { + bitpos += 3; + continue; } else { - if (bitpos >= bitsize) { - return FALSE; - } - bit = NEXTBIT; - if (bit) { - if (!a0color) { - _FaxFillBits(dest_buf, columns, a0, b2); - } - if (b2 >= columns) { - return TRUE; - } - a0 = b2; - continue; - } else { - if (bitpos >= bitsize) { - return FALSE; - } - FX_BOOL bit1 = NEXTBIT; - if (bitpos >= bitsize) { - return FALSE; - } - FX_BOOL bit2 = NEXTBIT; - if (bit1 && bit2) { - v_delta = 2; - } else if (bit1) { - v_delta = -2; - } else if (bit2) { - if (bitpos >= bitsize) { - return FALSE; - } - bit = NEXTBIT; - if (bit) { - v_delta = 3; - } else { - v_delta = -3; - } - } else { - if (bitpos >= bitsize) { - return FALSE; - } - bit = NEXTBIT; - if (bit) { - bitpos += 3; - continue; - } else { - bitpos += 5; - return TRUE; - } - } - } + bitpos += 5; + return TRUE; } + } } - a1 = b1 + v_delta; - if (!a0color) { - _FaxFillBits(dest_buf, columns, a0, a1); - } - if (a1 >= columns) { - return TRUE; - } - a0 = a1; - a0color = !a0color; + } } -} -FX_BOOL _FaxSkipEOL(const uint8_t* src_buf, int bitsize, int& bitpos) -{ - int startbit = bitpos; - while (bitpos < bitsize) { - int bit = NEXTBIT; - if (bit) { - if (bitpos - startbit <= 11) { - bitpos = startbit; - } - return TRUE; - } + a1 = b1 + v_delta; + if (!a0color) { + _FaxFillBits(dest_buf, columns, a0, a1); } - return FALSE; + if (a1 >= columns) { + return TRUE; + } + a0 = a1; + a0color = !a0color; + } +} +FX_BOOL _FaxSkipEOL(const uint8_t* src_buf, int bitsize, int& bitpos) { + int startbit = bitpos; + while (bitpos < bitsize) { + int bit = NEXTBIT; + if (bit) { + if (bitpos - startbit <= 11) { + bitpos = startbit; + } + return TRUE; + } + } + return FALSE; } -FX_BOOL _FaxGet1DLine(const uint8_t* src_buf, int bitsize, int& bitpos, uint8_t* dest_buf, int columns) -{ - int color = TRUE; - int startpos = 0; +FX_BOOL _FaxGet1DLine(const uint8_t* src_buf, + int bitsize, + int& bitpos, + uint8_t* dest_buf, + int columns) { + int color = TRUE; + int startpos = 0; + while (1) { + if (bitpos >= bitsize) { + return FALSE; + } + int run_len = 0; while (1) { - if (bitpos >= bitsize) { - return FALSE; - } - int run_len = 0; - while (1) { - int run = _FaxGetRun(color ? FaxWhiteRunIns : FaxBlackRunIns, src_buf, bitpos, bitsize); - if (run < 0) { - while (bitpos < bitsize) { - int bit = NEXTBIT; - if (bit) { - return TRUE; - } - } - return FALSE; - } - run_len += run; - if (run < 64) { - break; - } - } - if (!color) { - _FaxFillBits(dest_buf, columns, startpos, startpos + run_len); - } - startpos += run_len; - if (startpos >= columns) { - break; + int run = _FaxGetRun(color ? FaxWhiteRunIns : FaxBlackRunIns, src_buf, + bitpos, bitsize); + if (run < 0) { + while (bitpos < bitsize) { + int bit = NEXTBIT; + if (bit) { + return TRUE; + } } - color = !color; - } - return TRUE; + return FALSE; + } + run_len += run; + if (run < 64) { + break; + } + } + if (!color) { + _FaxFillBits(dest_buf, columns, startpos, startpos + run_len); + } + startpos += run_len; + if (startpos >= columns) { + break; + } + color = !color; + } + return TRUE; } -class CCodec_FaxDecoder : public CCodec_ScanlineDecoder -{ -public: - CCodec_FaxDecoder(); - virtual ~CCodec_FaxDecoder(); - FX_BOOL Create(const uint8_t* src_buf, FX_DWORD src_size, int width, int height, - int K, FX_BOOL EndOfLine, FX_BOOL EncodedByteAlign, FX_BOOL BlackIs1, int Columns, int Rows); - virtual void v_DownScale(int dest_width, int dest_height) {} - virtual FX_BOOL v_Rewind(); - virtual uint8_t* v_GetNextLine(); - virtual FX_DWORD GetSrcOffset(); - int m_Encoding, m_bEndOfLine, m_bByteAlign, m_bBlack; - int bitpos; - const uint8_t* m_pSrcBuf; - FX_DWORD m_SrcSize; - uint8_t* m_pScanlineBuf; - uint8_t* m_pRefBuf; +class CCodec_FaxDecoder : public CCodec_ScanlineDecoder { + public: + CCodec_FaxDecoder(); + virtual ~CCodec_FaxDecoder(); + FX_BOOL Create(const uint8_t* src_buf, + FX_DWORD src_size, + int width, + int height, + int K, + FX_BOOL EndOfLine, + FX_BOOL EncodedByteAlign, + FX_BOOL BlackIs1, + int Columns, + int Rows); + virtual void v_DownScale(int dest_width, int dest_height) {} + virtual FX_BOOL v_Rewind(); + virtual uint8_t* v_GetNextLine(); + virtual FX_DWORD GetSrcOffset(); + int m_Encoding, m_bEndOfLine, m_bByteAlign, m_bBlack; + int bitpos; + const uint8_t* m_pSrcBuf; + FX_DWORD m_SrcSize; + uint8_t* m_pScanlineBuf; + uint8_t* m_pRefBuf; }; -CCodec_FaxDecoder::CCodec_FaxDecoder() -{ - m_pScanlineBuf = NULL; - m_pRefBuf = NULL; +CCodec_FaxDecoder::CCodec_FaxDecoder() { + m_pScanlineBuf = NULL; + m_pRefBuf = NULL; } -CCodec_FaxDecoder::~CCodec_FaxDecoder() -{ - if (m_pScanlineBuf) { - FX_Free(m_pScanlineBuf); - } - if (m_pRefBuf) { - FX_Free(m_pRefBuf); - } +CCodec_FaxDecoder::~CCodec_FaxDecoder() { + if (m_pScanlineBuf) { + FX_Free(m_pScanlineBuf); + } + if (m_pRefBuf) { + FX_Free(m_pRefBuf); + } } -FX_BOOL CCodec_FaxDecoder::Create(const uint8_t* src_buf, FX_DWORD src_size, int width, int height, - int K, FX_BOOL EndOfLine, FX_BOOL EncodedByteAlign, FX_BOOL BlackIs1, int Columns, int Rows) -{ - m_Encoding = K; - m_bEndOfLine = EndOfLine; - m_bByteAlign = EncodedByteAlign; - m_bBlack = BlackIs1; - m_OrigWidth = Columns; - m_OrigHeight = Rows; - if (m_OrigWidth == 0) { - m_OrigWidth = width; - } - if (m_OrigHeight == 0) { - m_OrigHeight = height; - } - m_Pitch = (m_OrigWidth + 31) / 32 * 4; - m_OutputWidth = m_OrigWidth; - m_OutputHeight = m_OrigHeight; - m_pScanlineBuf = FX_Alloc(uint8_t, m_Pitch); - m_pRefBuf = FX_Alloc(uint8_t, m_Pitch); - m_pSrcBuf = src_buf; - m_SrcSize = src_size; - m_nComps = 1; - m_bpc = 1; - m_bColorTransformed = FALSE; - return TRUE; +FX_BOOL CCodec_FaxDecoder::Create(const uint8_t* src_buf, + FX_DWORD src_size, + int width, + int height, + int K, + FX_BOOL EndOfLine, + FX_BOOL EncodedByteAlign, + FX_BOOL BlackIs1, + int Columns, + int Rows) { + m_Encoding = K; + m_bEndOfLine = EndOfLine; + m_bByteAlign = EncodedByteAlign; + m_bBlack = BlackIs1; + m_OrigWidth = Columns; + m_OrigHeight = Rows; + if (m_OrigWidth == 0) { + m_OrigWidth = width; + } + if (m_OrigHeight == 0) { + m_OrigHeight = height; + } + m_Pitch = (m_OrigWidth + 31) / 32 * 4; + m_OutputWidth = m_OrigWidth; + m_OutputHeight = m_OrigHeight; + m_pScanlineBuf = FX_Alloc(uint8_t, m_Pitch); + m_pRefBuf = FX_Alloc(uint8_t, m_Pitch); + m_pSrcBuf = src_buf; + m_SrcSize = src_size; + m_nComps = 1; + m_bpc = 1; + m_bColorTransformed = FALSE; + return TRUE; } -FX_BOOL CCodec_FaxDecoder::v_Rewind() -{ - FXSYS_memset(m_pRefBuf, 0xff, m_Pitch); - bitpos = 0; - return TRUE; +FX_BOOL CCodec_FaxDecoder::v_Rewind() { + FXSYS_memset(m_pRefBuf, 0xff, m_Pitch); + bitpos = 0; + return TRUE; } -uint8_t* CCodec_FaxDecoder::v_GetNextLine() -{ - int bitsize = m_SrcSize * 8; - _FaxSkipEOL(m_pSrcBuf, bitsize, bitpos); - if (bitpos >= bitsize) { - return NULL; - } - FXSYS_memset(m_pScanlineBuf, 0xff, m_Pitch); - if (m_Encoding < 0) { - _FaxG4GetRow(m_pSrcBuf, bitsize, bitpos, m_pScanlineBuf, m_pRefBuf, m_OrigWidth); - FXSYS_memcpy(m_pRefBuf, m_pScanlineBuf, m_Pitch); - } else if (m_Encoding == 0) { - _FaxGet1DLine(m_pSrcBuf, bitsize, bitpos, m_pScanlineBuf, m_OrigWidth); +uint8_t* CCodec_FaxDecoder::v_GetNextLine() { + int bitsize = m_SrcSize * 8; + _FaxSkipEOL(m_pSrcBuf, bitsize, bitpos); + if (bitpos >= bitsize) { + return NULL; + } + FXSYS_memset(m_pScanlineBuf, 0xff, m_Pitch); + if (m_Encoding < 0) { + _FaxG4GetRow(m_pSrcBuf, bitsize, bitpos, m_pScanlineBuf, m_pRefBuf, + m_OrigWidth); + FXSYS_memcpy(m_pRefBuf, m_pScanlineBuf, m_Pitch); + } else if (m_Encoding == 0) { + _FaxGet1DLine(m_pSrcBuf, bitsize, bitpos, m_pScanlineBuf, m_OrigWidth); + } else { + FX_BOOL bNext1D = m_pSrcBuf[bitpos / 8] & (1 << (7 - bitpos % 8)); + bitpos++; + if (bNext1D) { + _FaxGet1DLine(m_pSrcBuf, bitsize, bitpos, m_pScanlineBuf, m_OrigWidth); } else { - FX_BOOL bNext1D = m_pSrcBuf[bitpos / 8] & (1 << (7 - bitpos % 8)); - bitpos ++; - if (bNext1D) { - _FaxGet1DLine(m_pSrcBuf, bitsize, bitpos, m_pScanlineBuf, m_OrigWidth); - } else { - _FaxG4GetRow(m_pSrcBuf, bitsize, bitpos, m_pScanlineBuf, m_pRefBuf, m_OrigWidth); - } - FXSYS_memcpy(m_pRefBuf, m_pScanlineBuf, m_Pitch); - } - if (m_bEndOfLine) { - _FaxSkipEOL(m_pSrcBuf, bitsize, bitpos); - } - if (m_bByteAlign && bitpos < bitsize) { - int bitpos0 = bitpos; - int bitpos1 = (bitpos + 7) / 8 * 8; - while (m_bByteAlign && bitpos0 < bitpos1) { - int bit = m_pSrcBuf[bitpos0 / 8] & (1 << (7 - bitpos0 % 8)); - if (bit != 0) { - m_bByteAlign = FALSE; - } else { - bitpos0 ++; - } - } - if (m_bByteAlign) { - bitpos = bitpos1; - } + _FaxG4GetRow(m_pSrcBuf, bitsize, bitpos, m_pScanlineBuf, m_pRefBuf, + m_OrigWidth); } - if (m_bBlack) { - for (int i = 0; i < m_Pitch; i ++) { - m_pScanlineBuf[i] = ~m_pScanlineBuf[i]; - } - } - return m_pScanlineBuf; + FXSYS_memcpy(m_pRefBuf, m_pScanlineBuf, m_Pitch); + } + if (m_bEndOfLine) { + _FaxSkipEOL(m_pSrcBuf, bitsize, bitpos); + } + if (m_bByteAlign && bitpos < bitsize) { + int bitpos0 = bitpos; + int bitpos1 = (bitpos + 7) / 8 * 8; + while (m_bByteAlign && bitpos0 < bitpos1) { + int bit = m_pSrcBuf[bitpos0 / 8] & (1 << (7 - bitpos0 % 8)); + if (bit != 0) { + m_bByteAlign = FALSE; + } else { + bitpos0++; + } + } + if (m_bByteAlign) { + bitpos = bitpos1; + } + } + if (m_bBlack) { + for (int i = 0; i < m_Pitch; i++) { + m_pScanlineBuf[i] = ~m_pScanlineBuf[i]; + } + } + return m_pScanlineBuf; } -FX_DWORD CCodec_FaxDecoder::GetSrcOffset() -{ - FX_DWORD ret = (bitpos + 7) / 8; - if (ret > m_SrcSize) { - ret = m_SrcSize; - } - return ret; +FX_DWORD CCodec_FaxDecoder::GetSrcOffset() { + FX_DWORD ret = (bitpos + 7) / 8; + if (ret > m_SrcSize) { + ret = m_SrcSize; + } + return ret; } extern "C" { - void _FaxG4Decode(void*, const uint8_t* src_buf, FX_DWORD src_size, int* pbitpos, uint8_t* dest_buf, int width, int height, int pitch) - { - if (pitch == 0) { - pitch = (width + 7) / 8; - } - uint8_t* ref_buf = FX_Alloc(uint8_t, pitch); - FXSYS_memset(ref_buf, 0xff, pitch); - int bitpos = *pbitpos; - for (int iRow = 0; iRow < height; iRow ++) { - uint8_t* line_buf = dest_buf + iRow * pitch; - FXSYS_memset(line_buf, 0xff, pitch); - _FaxG4GetRow(src_buf, src_size << 3, bitpos, line_buf, ref_buf, width); - FXSYS_memcpy(ref_buf, line_buf, pitch); - } - FX_Free(ref_buf); - *pbitpos = bitpos; - } +void _FaxG4Decode(void*, + const uint8_t* src_buf, + FX_DWORD src_size, + int* pbitpos, + uint8_t* dest_buf, + int width, + int height, + int pitch) { + if (pitch == 0) { + pitch = (width + 7) / 8; + } + uint8_t* ref_buf = FX_Alloc(uint8_t, pitch); + FXSYS_memset(ref_buf, 0xff, pitch); + int bitpos = *pbitpos; + for (int iRow = 0; iRow < height; iRow++) { + uint8_t* line_buf = dest_buf + iRow * pitch; + FXSYS_memset(line_buf, 0xff, pitch); + _FaxG4GetRow(src_buf, src_size << 3, bitpos, line_buf, ref_buf, width); + FXSYS_memcpy(ref_buf, line_buf, pitch); + } + FX_Free(ref_buf); + *pbitpos = bitpos; +} }; static const uint8_t BlackRunTerminator[128] = { - 0x37, 10, 0x02, 3, 0x03, 2, 0x02, 2, 0x03, 3, 0x03, 4, 0x02, 4, 0x03, 5, - 0x05, 6, 0x04, 6, 0x04, 7, 0x05, 7, 0x07, 7, 0x04, 8, 0x07, 8, 0x18, 9, - 0x17, 10, 0x18, 10, 0x08, 10, 0x67, 11, 0x68, 11, 0x6c, 11, 0x37, 11, 0x28, 11, - 0x17, 11, 0x18, 11, 0xca, 12, 0xcb, 12, 0xcc, 12, 0xcd, 12, 0x68, 12, 0x69, 12, - 0x6a, 12, 0x6b, 12, 0xd2, 12, 0xd3, 12, 0xd4, 12, 0xd5, 12, 0xd6, 12, 0xd7, 12, - 0x6c, 12, 0x6d, 12, 0xda, 12, 0xdb, 12, 0x54, 12, 0x55, 12, 0x56, 12, 0x57, 12, - 0x64, 12, 0x65, 12, 0x52, 12, 0x53, 12, 0x24, 12, 0x37, 12, 0x38, 12, 0x27, 12, - 0x28, 12, 0x58, 12, 0x59, 12, 0x2b, 12, 0x2c, 12, 0x5a, 12, 0x66, 12, 0x67, 12, + 0x37, 10, 0x02, 3, 0x03, 2, 0x02, 2, 0x03, 3, 0x03, 4, 0x02, 4, + 0x03, 5, 0x05, 6, 0x04, 6, 0x04, 7, 0x05, 7, 0x07, 7, 0x04, 8, + 0x07, 8, 0x18, 9, 0x17, 10, 0x18, 10, 0x08, 10, 0x67, 11, 0x68, 11, + 0x6c, 11, 0x37, 11, 0x28, 11, 0x17, 11, 0x18, 11, 0xca, 12, 0xcb, 12, + 0xcc, 12, 0xcd, 12, 0x68, 12, 0x69, 12, 0x6a, 12, 0x6b, 12, 0xd2, 12, + 0xd3, 12, 0xd4, 12, 0xd5, 12, 0xd6, 12, 0xd7, 12, 0x6c, 12, 0x6d, 12, + 0xda, 12, 0xdb, 12, 0x54, 12, 0x55, 12, 0x56, 12, 0x57, 12, 0x64, 12, + 0x65, 12, 0x52, 12, 0x53, 12, 0x24, 12, 0x37, 12, 0x38, 12, 0x27, 12, + 0x28, 12, 0x58, 12, 0x59, 12, 0x2b, 12, 0x2c, 12, 0x5a, 12, 0x66, 12, + 0x67, 12, }; static const uint8_t BlackRunMarkup[80] = { - 0x0f, 10, 0xc8, 12, 0xc9, 12, 0x5b, 12, 0x33, 12, 0x34, 12, 0x35, 12, 0x6c, 13, - 0x6d, 13, 0x4a, 13, 0x4b, 13, 0x4c, 13, 0x4d, 13, 0x72, 13, 0x73, 13, 0x74, 13, - 0x75, 13, 0x76, 13, 0x77, 13, 0x52, 13, 0x53, 13, 0x54, 13, 0x55, 13, 0x5a, 13, - 0x5b, 13, 0x64, 13, 0x65, 13, 0x08, 11, 0x0c, 11, 0x0d, 11, 0x12, 12, 0x13, 12, - 0x14, 12, 0x15, 12, 0x16, 12, 0x17, 12, 0x1c, 12, 0x1d, 12, 0x1e, 12, 0x1f, 12, + 0x0f, 10, 0xc8, 12, 0xc9, 12, 0x5b, 12, 0x33, 12, 0x34, 12, 0x35, 12, + 0x6c, 13, 0x6d, 13, 0x4a, 13, 0x4b, 13, 0x4c, 13, 0x4d, 13, 0x72, 13, + 0x73, 13, 0x74, 13, 0x75, 13, 0x76, 13, 0x77, 13, 0x52, 13, 0x53, 13, + 0x54, 13, 0x55, 13, 0x5a, 13, 0x5b, 13, 0x64, 13, 0x65, 13, 0x08, 11, + 0x0c, 11, 0x0d, 11, 0x12, 12, 0x13, 12, 0x14, 12, 0x15, 12, 0x16, 12, + 0x17, 12, 0x1c, 12, 0x1d, 12, 0x1e, 12, 0x1f, 12, }; static const uint8_t WhiteRunTerminator[128] = { - 0x35, 8, - 0x07, 6, - 0x07, 4, - 0x08, 4, - 0x0B, 4, - 0x0C, 4, - 0x0E, 4, - 0x0F, 4, - 0x13, 5, - 0x14, 5, - 0x07, 5, - 0x08, 5, - 0x08, 6, - 0x03, 6, - 0x34, 6, - 0x35, 6, - 0x2a, 6, - 0x2B, 6, - 0x27, 7, - 0x0c, 7, - 0x08, 7, - 0x17, 7, - 0x03, 7, - 0x04, 7, - 0x28, 7, - 0x2B, 7, - 0x13, 7, - 0x24, 7, - 0x18, 7, - 0x02, 8, - 0x03, 8, - 0x1a, 8, - 0x1b, 8, - 0x12, 8, - 0x13, 8, - 0x14, 8, - 0x15, 8, - 0x16, 8, - 0x17, 8, - 0x28, 8, - 0x29, 8, - 0x2a, 8, - 0x2b, 8, - 0x2c, 8, - 0x2d, 8, - 0x04, 8, - 0x05, 8, - 0x0a, 8, - 0x0b, 8, - 0x52, 8, - 0x53, 8, - 0x54, 8, - 0x55, 8, - 0x24, 8, - 0x25, 8, - 0x58, 8, - 0x59, 8, - 0x5a, 8, - 0x5b, 8, - 0x4a, 8, - 0x4b, 8, - 0x32, 8, - 0x33, 8, - 0x34, 8, + 0x35, 8, 0x07, 6, 0x07, 4, 0x08, 4, 0x0B, 4, 0x0C, 4, 0x0E, 4, 0x0F, 4, + 0x13, 5, 0x14, 5, 0x07, 5, 0x08, 5, 0x08, 6, 0x03, 6, 0x34, 6, 0x35, 6, + 0x2a, 6, 0x2B, 6, 0x27, 7, 0x0c, 7, 0x08, 7, 0x17, 7, 0x03, 7, 0x04, 7, + 0x28, 7, 0x2B, 7, 0x13, 7, 0x24, 7, 0x18, 7, 0x02, 8, 0x03, 8, 0x1a, 8, + 0x1b, 8, 0x12, 8, 0x13, 8, 0x14, 8, 0x15, 8, 0x16, 8, 0x17, 8, 0x28, 8, + 0x29, 8, 0x2a, 8, 0x2b, 8, 0x2c, 8, 0x2d, 8, 0x04, 8, 0x05, 8, 0x0a, 8, + 0x0b, 8, 0x52, 8, 0x53, 8, 0x54, 8, 0x55, 8, 0x24, 8, 0x25, 8, 0x58, 8, + 0x59, 8, 0x5a, 8, 0x5b, 8, 0x4a, 8, 0x4b, 8, 0x32, 8, 0x33, 8, 0x34, 8, }; static const uint8_t WhiteRunMarkup[80] = { - 0x1b, 5, - 0x12, 5, - 0x17, 6, - 0x37, 7, - 0x36, 8, - 0x37, 8, - 0x64, 8, - 0x65, 8, - 0x68, 8, - 0x67, 8, - 0xcc, 9, - 0xcd, 9, - 0xd2, 9, - 0xd3, 9, - 0xd4, 9, - 0xd5, 9, - 0xd6, 9, - 0xd7, 9, - 0xd8, 9, - 0xd9, 9, - 0xda, 9, - 0xdb, 9, - 0x98, 9, - 0x99, 9, - 0x9a, 9, - 0x18, 6, - 0x9b, 9, - 0x08, 11, - 0x0c, 11, - 0x0d, 11, - 0x12, 12, - 0x13, 12, - 0x14, 12, - 0x15, 12, - 0x16, 12, - 0x17, 12, - 0x1c, 12, - 0x1d, 12, - 0x1e, 12, - 0x1f, 12, + 0x1b, 5, 0x12, 5, 0x17, 6, 0x37, 7, 0x36, 8, 0x37, 8, 0x64, 8, + 0x65, 8, 0x68, 8, 0x67, 8, 0xcc, 9, 0xcd, 9, 0xd2, 9, 0xd3, 9, + 0xd4, 9, 0xd5, 9, 0xd6, 9, 0xd7, 9, 0xd8, 9, 0xd9, 9, 0xda, 9, + 0xdb, 9, 0x98, 9, 0x99, 9, 0x9a, 9, 0x18, 6, 0x9b, 9, 0x08, 11, + 0x0c, 11, 0x0d, 11, 0x12, 12, 0x13, 12, 0x14, 12, 0x15, 12, 0x16, 12, + 0x17, 12, 0x1c, 12, 0x1d, 12, 0x1e, 12, 0x1f, 12, }; -static void _AddBitStream(uint8_t* dest_buf, int& dest_bitpos, int data, int bitlen) -{ - for (int i = bitlen - 1; i >= 0; i --) { - if (data & (1 << i)) { - dest_buf[dest_bitpos / 8] |= 1 << (7 - dest_bitpos % 8); - } - dest_bitpos ++; - } +static void _AddBitStream(uint8_t* dest_buf, + int& dest_bitpos, + int data, + int bitlen) { + for (int i = bitlen - 1; i >= 0; i--) { + if (data & (1 << i)) { + dest_buf[dest_bitpos / 8] |= 1 << (7 - dest_bitpos % 8); + } + dest_bitpos++; + } } -static void _FaxEncodeRun(uint8_t* dest_buf, int& dest_bitpos, int run, FX_BOOL bWhite) -{ - while (run >= 2560) { - _AddBitStream(dest_buf, dest_bitpos, 0x1f, 12); - run -= 2560; - } - if (run >= 64) { - int markup = run - run % 64; - const uint8_t* p = bWhite ? WhiteRunMarkup : BlackRunMarkup; - p += (markup / 64 - 1) * 2; - _AddBitStream(dest_buf, dest_bitpos, *p, p[1]); - } - run %= 64; - const uint8_t* p = bWhite ? WhiteRunTerminator : BlackRunTerminator; - p += run * 2; +static void _FaxEncodeRun(uint8_t* dest_buf, + int& dest_bitpos, + int run, + FX_BOOL bWhite) { + while (run >= 2560) { + _AddBitStream(dest_buf, dest_bitpos, 0x1f, 12); + run -= 2560; + } + if (run >= 64) { + int markup = run - run % 64; + const uint8_t* p = bWhite ? WhiteRunMarkup : BlackRunMarkup; + p += (markup / 64 - 1) * 2; _AddBitStream(dest_buf, dest_bitpos, *p, p[1]); + } + run %= 64; + const uint8_t* p = bWhite ? WhiteRunTerminator : BlackRunTerminator; + p += run * 2; + _AddBitStream(dest_buf, dest_bitpos, *p, p[1]); } -static void _FaxEncode2DLine(uint8_t* dest_buf, int& dest_bitpos, const uint8_t* src_buf, const uint8_t* ref_buf, int cols) -{ - int a0 = -1, a0color = 1; - while (1) { - int a1 = _FindBit(src_buf, cols, a0 + 1, 1 - a0color); - int b1, b2; - _FaxG4FindB1B2(ref_buf, cols, a0, a0color, b1, b2); - if (b2 < a1) { - dest_bitpos += 3; - dest_buf[dest_bitpos / 8] |= 1 << (7 - dest_bitpos % 8); - dest_bitpos ++; - a0 = b2; - } else if (a1 - b1 <= 3 && b1 - a1 <= 3) { - int delta = a1 - b1; - switch (delta) { - case 0: - dest_buf[dest_bitpos / 8] |= 1 << (7 - dest_bitpos % 8); - break; - case 1: - case 2: - case 3: - dest_bitpos += delta == 1 ? 1 : delta + 2; - dest_buf[dest_bitpos / 8] |= 1 << (7 - dest_bitpos % 8); - dest_bitpos ++; - dest_buf[dest_bitpos / 8] |= 1 << (7 - dest_bitpos % 8); - break; - case -1: - case -2: - case -3: - dest_bitpos += delta == -1 ? 1 : -delta + 2; - dest_buf[dest_bitpos / 8] |= 1 << (7 - dest_bitpos % 8); - dest_bitpos ++; - break; - } - dest_bitpos ++; - a0 = a1; - a0color = 1 - a0color; - } else { - int a2 = _FindBit(src_buf, cols, a1 + 1, a0color); - dest_bitpos ++; - dest_bitpos ++; - dest_buf[dest_bitpos / 8] |= 1 << (7 - dest_bitpos % 8); - dest_bitpos ++; - if (a0 < 0) { - a0 = 0; - } - _FaxEncodeRun(dest_buf, dest_bitpos, a1 - a0, a0color); - _FaxEncodeRun(dest_buf, dest_bitpos, a2 - a1, 1 - a0color); - a0 = a2; - } - if (a0 >= cols) { - return; - } - } +static void _FaxEncode2DLine(uint8_t* dest_buf, + int& dest_bitpos, + const uint8_t* src_buf, + const uint8_t* ref_buf, + int cols) { + int a0 = -1, a0color = 1; + while (1) { + int a1 = _FindBit(src_buf, cols, a0 + 1, 1 - a0color); + int b1, b2; + _FaxG4FindB1B2(ref_buf, cols, a0, a0color, b1, b2); + if (b2 < a1) { + dest_bitpos += 3; + dest_buf[dest_bitpos / 8] |= 1 << (7 - dest_bitpos % 8); + dest_bitpos++; + a0 = b2; + } else if (a1 - b1 <= 3 && b1 - a1 <= 3) { + int delta = a1 - b1; + switch (delta) { + case 0: + dest_buf[dest_bitpos / 8] |= 1 << (7 - dest_bitpos % 8); + break; + case 1: + case 2: + case 3: + dest_bitpos += delta == 1 ? 1 : delta + 2; + dest_buf[dest_bitpos / 8] |= 1 << (7 - dest_bitpos % 8); + dest_bitpos++; + dest_buf[dest_bitpos / 8] |= 1 << (7 - dest_bitpos % 8); + break; + case -1: + case -2: + case -3: + dest_bitpos += delta == -1 ? 1 : -delta + 2; + dest_buf[dest_bitpos / 8] |= 1 << (7 - dest_bitpos % 8); + dest_bitpos++; + break; + } + dest_bitpos++; + a0 = a1; + a0color = 1 - a0color; + } else { + int a2 = _FindBit(src_buf, cols, a1 + 1, a0color); + dest_bitpos++; + dest_bitpos++; + dest_buf[dest_bitpos / 8] |= 1 << (7 - dest_bitpos % 8); + dest_bitpos++; + if (a0 < 0) { + a0 = 0; + } + _FaxEncodeRun(dest_buf, dest_bitpos, a1 - a0, a0color); + _FaxEncodeRun(dest_buf, dest_bitpos, a2 - a1, 1 - a0color); + a0 = a2; + } + if (a0 >= cols) { + return; + } + } } -class CCodec_FaxEncoder -{ -public: - CCodec_FaxEncoder(const uint8_t* src_buf, int width, int height, int pitch); - ~CCodec_FaxEncoder(); - void Encode(uint8_t*& dest_buf, FX_DWORD& dest_size); - void Encode2DLine(const uint8_t* scan_line); - CFX_BinaryBuf m_DestBuf; - uint8_t* m_pRefLine; - uint8_t* m_pLineBuf; - int m_Cols, m_Rows, m_Pitch; - const uint8_t* m_pSrcBuf; +class CCodec_FaxEncoder { + public: + CCodec_FaxEncoder(const uint8_t* src_buf, int width, int height, int pitch); + ~CCodec_FaxEncoder(); + void Encode(uint8_t*& dest_buf, FX_DWORD& dest_size); + void Encode2DLine(const uint8_t* scan_line); + CFX_BinaryBuf m_DestBuf; + uint8_t* m_pRefLine; + uint8_t* m_pLineBuf; + int m_Cols, m_Rows, m_Pitch; + const uint8_t* m_pSrcBuf; }; -CCodec_FaxEncoder::CCodec_FaxEncoder(const uint8_t* src_buf, int width, int height, int pitch) -{ - m_pSrcBuf = src_buf; - m_Cols = width; - m_Rows = height; - m_Pitch = pitch; - m_pRefLine = FX_Alloc(uint8_t, m_Pitch); - FXSYS_memset(m_pRefLine, 0xff, m_Pitch); - m_pLineBuf = FX_Alloc2D(uint8_t, m_Pitch, 8); - m_DestBuf.EstimateSize(0, 10240); +CCodec_FaxEncoder::CCodec_FaxEncoder(const uint8_t* src_buf, + int width, + int height, + int pitch) { + m_pSrcBuf = src_buf; + m_Cols = width; + m_Rows = height; + m_Pitch = pitch; + m_pRefLine = FX_Alloc(uint8_t, m_Pitch); + FXSYS_memset(m_pRefLine, 0xff, m_Pitch); + m_pLineBuf = FX_Alloc2D(uint8_t, m_Pitch, 8); + m_DestBuf.EstimateSize(0, 10240); } -CCodec_FaxEncoder::~CCodec_FaxEncoder() -{ - if (m_pRefLine) { - FX_Free(m_pRefLine); - } - if (m_pLineBuf) { - FX_Free(m_pLineBuf); - } +CCodec_FaxEncoder::~CCodec_FaxEncoder() { + if (m_pRefLine) { + FX_Free(m_pRefLine); + } + if (m_pLineBuf) { + FX_Free(m_pLineBuf); + } } -void CCodec_FaxEncoder::Encode(uint8_t*& dest_buf, FX_DWORD& dest_size) -{ - int dest_bitpos = 0; - uint8_t last_byte = 0; - for (int i = 0; i < m_Rows; i ++) { - const uint8_t* scan_line = m_pSrcBuf + i * m_Pitch; - FXSYS_memset(m_pLineBuf, 0, m_Pitch * 8); - m_pLineBuf[0] = last_byte; - _FaxEncode2DLine(m_pLineBuf, dest_bitpos, scan_line, m_pRefLine, m_Cols); - m_DestBuf.AppendBlock(m_pLineBuf, dest_bitpos / 8); - last_byte = m_pLineBuf[dest_bitpos / 8]; - dest_bitpos %= 8; - FXSYS_memcpy(m_pRefLine, scan_line, m_Pitch); - } - if (dest_bitpos) { - m_DestBuf.AppendByte(last_byte); - } - dest_buf = m_DestBuf.GetBuffer(); - dest_size = m_DestBuf.GetSize(); - m_DestBuf.DetachBuffer(); +void CCodec_FaxEncoder::Encode(uint8_t*& dest_buf, FX_DWORD& dest_size) { + int dest_bitpos = 0; + uint8_t last_byte = 0; + for (int i = 0; i < m_Rows; i++) { + const uint8_t* scan_line = m_pSrcBuf + i * m_Pitch; + FXSYS_memset(m_pLineBuf, 0, m_Pitch * 8); + m_pLineBuf[0] = last_byte; + _FaxEncode2DLine(m_pLineBuf, dest_bitpos, scan_line, m_pRefLine, m_Cols); + m_DestBuf.AppendBlock(m_pLineBuf, dest_bitpos / 8); + last_byte = m_pLineBuf[dest_bitpos / 8]; + dest_bitpos %= 8; + FXSYS_memcpy(m_pRefLine, scan_line, m_Pitch); + } + if (dest_bitpos) { + m_DestBuf.AppendByte(last_byte); + } + dest_buf = m_DestBuf.GetBuffer(); + dest_size = m_DestBuf.GetSize(); + m_DestBuf.DetachBuffer(); } -FX_BOOL CCodec_FaxModule::Encode(const uint8_t* src_buf, int width, int height, int pitch, uint8_t*& dest_buf, FX_DWORD& dest_size) -{ - CCodec_FaxEncoder encoder(src_buf, width, height, pitch); - encoder.Encode(dest_buf, dest_size); - return TRUE; +FX_BOOL CCodec_FaxModule::Encode(const uint8_t* src_buf, + int width, + int height, + int pitch, + uint8_t*& dest_buf, + FX_DWORD& dest_size) { + CCodec_FaxEncoder encoder(src_buf, width, height, pitch); + encoder.Encode(dest_buf, dest_size); + return TRUE; } -ICodec_ScanlineDecoder* CCodec_FaxModule::CreateDecoder(const uint8_t* src_buf, FX_DWORD src_size, int width, int height, - int K, FX_BOOL EndOfLine, FX_BOOL EncodedByteAlign, FX_BOOL BlackIs1, int Columns, int Rows) -{ - CCodec_FaxDecoder* pDecoder = new CCodec_FaxDecoder; - pDecoder->Create(src_buf, src_size, width, height, K, EndOfLine, EncodedByteAlign, BlackIs1, Columns, Rows); - return pDecoder; +ICodec_ScanlineDecoder* CCodec_FaxModule::CreateDecoder( + const uint8_t* src_buf, + FX_DWORD src_size, + int width, + int height, + int K, + FX_BOOL EndOfLine, + FX_BOOL EncodedByteAlign, + FX_BOOL BlackIs1, + int Columns, + int Rows) { + CCodec_FaxDecoder* pDecoder = new CCodec_FaxDecoder; + pDecoder->Create(src_buf, src_size, width, height, K, EndOfLine, + EncodedByteAlign, BlackIs1, Columns, Rows); + return pDecoder; } diff --git a/core/src/fxcodec/codec/fx_codec_flate.cpp b/core/src/fxcodec/codec/fx_codec_flate.cpp index d129e36392..91d28b0553 100644 --- a/core/src/fxcodec/codec/fx_codec_flate.cpp +++ b/core/src/fxcodec/codec/fx_codec_flate.cpp @@ -10,911 +10,968 @@ #include "../../../include/fxcodec/fx_codec_flate.h" #include "codec_int.h" -extern "C" -{ - static void* my_alloc_func(void* opaque, unsigned int items, unsigned int size) - { - return FX_Alloc2D(uint8_t, items, size); - } - static void my_free_func(void* opaque, void* address) - { - FX_Free(address); - } - static int FPDFAPI_FlateGetTotalOut(void* context) - { - return ((z_stream*)context)->total_out; - } - static int FPDFAPI_FlateGetTotalIn(void* context) - { - return ((z_stream*)context)->total_in; - } - static void FPDFAPI_FlateCompress(unsigned char* dest_buf, - unsigned long* dest_size, - const unsigned char* src_buf, - unsigned long src_size) - { - compress(dest_buf, dest_size, src_buf, src_size); - } - void* FPDFAPI_FlateInit(void* (*alloc_func)(void*, unsigned int, unsigned int), - void (*free_func)(void*, void*)) - { - z_stream* p = (z_stream*)alloc_func(0, 1, sizeof(z_stream)); - if (p == NULL) { - return NULL; - } - FXSYS_memset(p, 0, sizeof(z_stream)); - p->zalloc = alloc_func; - p->zfree = free_func; - inflateInit(p); - return p; - } - void FPDFAPI_FlateInput(void* context, const unsigned char* src_buf, unsigned int src_size) - { - ((z_stream*)context)->next_in = (unsigned char*)src_buf; - ((z_stream*)context)->avail_in = src_size; - } - int FPDFAPI_FlateOutput(void* context, unsigned char* dest_buf, unsigned int dest_size) - { - ((z_stream*)context)->next_out = dest_buf; - ((z_stream*)context)->avail_out = dest_size; - unsigned int pre_pos = (unsigned int)FPDFAPI_FlateGetTotalOut(context); - int ret = inflate((z_stream*)context, Z_SYNC_FLUSH); - unsigned int post_pos = (unsigned int)FPDFAPI_FlateGetTotalOut(context); - unsigned int written = post_pos - pre_pos; - if (written < dest_size) { - FXSYS_memset(dest_buf + written, '\0', dest_size - written); - } - return ret; - } - int FPDFAPI_FlateGetAvailIn(void* context) - { - return ((z_stream*)context)->avail_in; - } - int FPDFAPI_FlateGetAvailOut(void* context) - { - return ((z_stream*)context)->avail_out; - } - void FPDFAPI_FlateEnd(void* context) - { - inflateEnd((z_stream*)context); - ((z_stream*)context)->zfree(0, context); - } +extern "C" { +static void* my_alloc_func(void* opaque, + unsigned int items, + unsigned int size) { + return FX_Alloc2D(uint8_t, items, size); +} +static void my_free_func(void* opaque, void* address) { + FX_Free(address); +} +static int FPDFAPI_FlateGetTotalOut(void* context) { + return ((z_stream*)context)->total_out; +} +static int FPDFAPI_FlateGetTotalIn(void* context) { + return ((z_stream*)context)->total_in; +} +static void FPDFAPI_FlateCompress(unsigned char* dest_buf, + unsigned long* dest_size, + const unsigned char* src_buf, + unsigned long src_size) { + compress(dest_buf, dest_size, src_buf, src_size); +} +void* FPDFAPI_FlateInit(void* (*alloc_func)(void*, unsigned int, unsigned int), + void (*free_func)(void*, void*)) { + z_stream* p = (z_stream*)alloc_func(0, 1, sizeof(z_stream)); + if (p == NULL) { + return NULL; + } + FXSYS_memset(p, 0, sizeof(z_stream)); + p->zalloc = alloc_func; + p->zfree = free_func; + inflateInit(p); + return p; +} +void FPDFAPI_FlateInput(void* context, + const unsigned char* src_buf, + unsigned int src_size) { + ((z_stream*)context)->next_in = (unsigned char*)src_buf; + ((z_stream*)context)->avail_in = src_size; +} +int FPDFAPI_FlateOutput(void* context, + unsigned char* dest_buf, + unsigned int dest_size) { + ((z_stream*)context)->next_out = dest_buf; + ((z_stream*)context)->avail_out = dest_size; + unsigned int pre_pos = (unsigned int)FPDFAPI_FlateGetTotalOut(context); + int ret = inflate((z_stream*)context, Z_SYNC_FLUSH); + unsigned int post_pos = (unsigned int)FPDFAPI_FlateGetTotalOut(context); + unsigned int written = post_pos - pre_pos; + if (written < dest_size) { + FXSYS_memset(dest_buf + written, '\0', dest_size - written); + } + return ret; +} +int FPDFAPI_FlateGetAvailIn(void* context) { + return ((z_stream*)context)->avail_in; +} +int FPDFAPI_FlateGetAvailOut(void* context) { + return ((z_stream*)context)->avail_out; +} +void FPDFAPI_FlateEnd(void* context) { + inflateEnd((z_stream*)context); + ((z_stream*)context)->zfree(0, context); +} } // extern "C" -class CLZWDecoder -{ -public: - int Decode(uint8_t* output, FX_DWORD& outlen, const uint8_t* input, FX_DWORD& size, FX_BOOL bEarlyChange); +class CLZWDecoder { + public: + int Decode(uint8_t* output, + FX_DWORD& outlen, + const uint8_t* input, + FX_DWORD& size, + FX_BOOL bEarlyChange); -private: - void AddCode(FX_DWORD prefix_code, uint8_t append_char); - void DecodeString(FX_DWORD code); + private: + void AddCode(FX_DWORD prefix_code, uint8_t append_char); + void DecodeString(FX_DWORD code); - FX_DWORD m_InPos; - FX_DWORD m_OutPos; - uint8_t* m_pOutput; - const uint8_t* m_pInput; - FX_BOOL m_Early; - FX_DWORD m_CodeArray[5021]; - FX_DWORD m_nCodes; - uint8_t m_DecodeStack[4000]; - FX_DWORD m_StackLen; - int m_CodeLen; + FX_DWORD m_InPos; + FX_DWORD m_OutPos; + uint8_t* m_pOutput; + const uint8_t* m_pInput; + FX_BOOL m_Early; + FX_DWORD m_CodeArray[5021]; + FX_DWORD m_nCodes; + uint8_t m_DecodeStack[4000]; + FX_DWORD m_StackLen; + int m_CodeLen; }; -void CLZWDecoder::AddCode(FX_DWORD prefix_code, uint8_t append_char) -{ - if (m_nCodes + m_Early == 4094) { - return; - } - m_CodeArray[m_nCodes ++] = (prefix_code << 16) | append_char; - if (m_nCodes + m_Early == 512 - 258) { - m_CodeLen = 10; - } else if (m_nCodes + m_Early == 1024 - 258) { - m_CodeLen = 11; - } else if (m_nCodes + m_Early == 2048 - 258) { - m_CodeLen = 12; - } +void CLZWDecoder::AddCode(FX_DWORD prefix_code, uint8_t append_char) { + if (m_nCodes + m_Early == 4094) { + return; + } + m_CodeArray[m_nCodes++] = (prefix_code << 16) | append_char; + if (m_nCodes + m_Early == 512 - 258) { + m_CodeLen = 10; + } else if (m_nCodes + m_Early == 1024 - 258) { + m_CodeLen = 11; + } else if (m_nCodes + m_Early == 2048 - 258) { + m_CodeLen = 12; + } } -void CLZWDecoder::DecodeString(FX_DWORD code) -{ - while (1) { - int index = code - 258; - if (index < 0 || index >= (int)m_nCodes) { - break; - } - FX_DWORD data = m_CodeArray[index]; - if (m_StackLen >= sizeof(m_DecodeStack)) { - return; - } - m_DecodeStack[m_StackLen++] = (uint8_t)data; - code = data >> 16; +void CLZWDecoder::DecodeString(FX_DWORD code) { + while (1) { + int index = code - 258; + if (index < 0 || index >= (int)m_nCodes) { + break; } + FX_DWORD data = m_CodeArray[index]; if (m_StackLen >= sizeof(m_DecodeStack)) { - return; - } - m_DecodeStack[m_StackLen++] = (uint8_t)code; -} -int CLZWDecoder::Decode(uint8_t* dest_buf, FX_DWORD& dest_size, const uint8_t* src_buf, FX_DWORD& src_size, FX_BOOL bEarlyChange) -{ - m_CodeLen = 9; - m_InPos = 0; - m_OutPos = 0; - m_pInput = src_buf; - m_pOutput = dest_buf; - m_Early = bEarlyChange ? 1 : 0; - m_nCodes = 0; - FX_DWORD old_code = (FX_DWORD) - 1; - uint8_t last_char; - while (1) { - if (m_InPos + m_CodeLen > src_size * 8) { - break; - } - int byte_pos = m_InPos / 8; - int bit_pos = m_InPos % 8, bit_left = m_CodeLen; - FX_DWORD code = 0; - if (bit_pos) { - bit_left -= 8 - bit_pos; - code = (m_pInput[byte_pos++] & ((1 << (8 - bit_pos)) - 1)) << bit_left; - } - if (bit_left < 8) { - code |= m_pInput[byte_pos] >> (8 - bit_left); - } else { - bit_left -= 8; - code |= m_pInput[byte_pos++] << bit_left; - if (bit_left) { - code |= m_pInput[byte_pos] >> (8 - bit_left); - } - } - m_InPos += m_CodeLen; - if (code < 256) { - if (m_OutPos == dest_size) { - return -5; - } - if (m_pOutput) { - m_pOutput[m_OutPos] = (uint8_t)code; - } - m_OutPos ++; - last_char = (uint8_t)code; - if (old_code != (FX_DWORD) - 1) { - AddCode(old_code, last_char); - } - old_code = code; - } else if (code == 256) { - m_CodeLen = 9; - m_nCodes = 0; - old_code = (FX_DWORD) - 1; - } else if (code == 257) { - break; - } else { - if (old_code == (FX_DWORD) - 1) { - return 2; - } - m_StackLen = 0; - if (code >= m_nCodes + 258) { - if (m_StackLen < sizeof(m_DecodeStack)) { - m_DecodeStack[m_StackLen++] = last_char; - } - DecodeString(old_code); - } else { - DecodeString(code); - } - if (m_OutPos + m_StackLen > dest_size) { - return -5; - } - if (m_pOutput) { - for (FX_DWORD i = 0; i < m_StackLen; i ++) { - m_pOutput[m_OutPos + i] = m_DecodeStack[m_StackLen - i - 1]; - } - } - m_OutPos += m_StackLen; - last_char = m_DecodeStack[m_StackLen - 1]; - if (old_code < 256) { - AddCode(old_code, last_char); - } else if (old_code - 258 >= m_nCodes) { - dest_size = m_OutPos; - src_size = (m_InPos + 7) / 8; - return 0; - } else { - AddCode(old_code, last_char); - } - old_code = code; - } - } - dest_size = m_OutPos; - src_size = (m_InPos + 7) / 8; - return 0; -} -static uint8_t PaethPredictor(int a, int b, int c) -{ - int p = a + b - c; - int pa = FXSYS_abs(p - a); - int pb = FXSYS_abs(p - b); - int pc = FXSYS_abs(p - c); - if (pa <= pb && pa <= pc) { - return (uint8_t)a; - } - if (pb <= pc) { - return (uint8_t)b; - } - return (uint8_t)c; -} -static FX_BOOL PNG_PredictorEncode(uint8_t*& data_buf, FX_DWORD& data_size, - int predictor, int Colors, - int BitsPerComponent, int Columns) -{ - const int BytesPerPixel = (Colors * BitsPerComponent + 7) / 8; - const int row_size = (Colors * BitsPerComponent * Columns + 7) / 8; - if (row_size <= 0) - return FALSE; - const int row_count = (data_size + row_size - 1) / row_size; - const int last_row_size = data_size % row_size; - uint8_t* dest_buf = FX_Alloc2D(uint8_t, row_size + 1, row_count); - int byte_cnt = 0; - uint8_t* pSrcData = data_buf; - uint8_t* pDestData = dest_buf; - for (int row = 0; row < row_count; row++) { - if (predictor == 10) { - pDestData[0] = 0; - int move_size = row_size; - if (move_size * (row + 1) > (int)data_size) { - move_size = data_size - (move_size * row); - } - FXSYS_memmove(pDestData + 1, pSrcData, move_size); - pDestData += (move_size + 1); - pSrcData += move_size; - byte_cnt += move_size; - continue; - } - for (int byte = 0; byte < row_size && byte_cnt < (int)data_size; byte++) { - switch (predictor) { - case 11: { - pDestData[0] = 1; - uint8_t left = 0; - if (byte >= BytesPerPixel) { - left = pSrcData[byte - BytesPerPixel]; - } - pDestData[byte + 1] = pSrcData[byte] - left; - } - break; - case 12: { - pDestData[0] = 2; - uint8_t up = 0; - if (row) { - up = pSrcData[byte - row_size]; - } - pDestData[byte + 1] = pSrcData[byte] - up; - } - break; - case 13: { - pDestData[0] = 3; - uint8_t left = 0; - if (byte >= BytesPerPixel) { - left = pSrcData[byte - BytesPerPixel]; - } - uint8_t up = 0; - if (row) { - up = pSrcData[byte - row_size]; - } - pDestData[byte + 1] = pSrcData[byte] - (left + up) / 2; - } - break; - case 14: { - pDestData[0] = 4; - uint8_t left = 0; - if (byte >= BytesPerPixel) { - left = pSrcData[byte - BytesPerPixel]; - } - uint8_t up = 0; - if (row) { - up = pSrcData[byte - row_size]; - } - uint8_t upper_left = 0; - if (byte >= BytesPerPixel && row) { - upper_left = pSrcData[byte - row_size - BytesPerPixel]; - } - pDestData[byte + 1] = pSrcData[byte] - PaethPredictor(left, up, upper_left); - } - break; - default: { - pDestData[byte + 1] = pSrcData[byte]; - } - break; - } - byte_cnt++; - } - pDestData += (row_size + 1); - pSrcData += row_size; + return; } - FX_Free(data_buf); - data_buf = dest_buf; - data_size = (row_size + 1) * row_count - (last_row_size > 0 ? (row_size - last_row_size) : 0); - return TRUE; -} -static void PNG_PredictLine(uint8_t* pDestData, const uint8_t* pSrcData, const uint8_t* pLastLine, - int bpc, int nColors, int nPixels) -{ - int row_size = (nPixels * bpc * nColors + 7) / 8; - int BytesPerPixel = (bpc * nColors + 7) / 8; + m_DecodeStack[m_StackLen++] = (uint8_t)data; + code = data >> 16; + } + if (m_StackLen >= sizeof(m_DecodeStack)) { + return; + } + m_DecodeStack[m_StackLen++] = (uint8_t)code; +} +int CLZWDecoder::Decode(uint8_t* dest_buf, + FX_DWORD& dest_size, + const uint8_t* src_buf, + FX_DWORD& src_size, + FX_BOOL bEarlyChange) { + m_CodeLen = 9; + m_InPos = 0; + m_OutPos = 0; + m_pInput = src_buf; + m_pOutput = dest_buf; + m_Early = bEarlyChange ? 1 : 0; + m_nCodes = 0; + FX_DWORD old_code = (FX_DWORD)-1; + uint8_t last_char; + while (1) { + if (m_InPos + m_CodeLen > src_size * 8) { + break; + } + int byte_pos = m_InPos / 8; + int bit_pos = m_InPos % 8, bit_left = m_CodeLen; + FX_DWORD code = 0; + if (bit_pos) { + bit_left -= 8 - bit_pos; + code = (m_pInput[byte_pos++] & ((1 << (8 - bit_pos)) - 1)) << bit_left; + } + if (bit_left < 8) { + code |= m_pInput[byte_pos] >> (8 - bit_left); + } else { + bit_left -= 8; + code |= m_pInput[byte_pos++] << bit_left; + if (bit_left) { + code |= m_pInput[byte_pos] >> (8 - bit_left); + } + } + m_InPos += m_CodeLen; + if (code < 256) { + if (m_OutPos == dest_size) { + return -5; + } + if (m_pOutput) { + m_pOutput[m_OutPos] = (uint8_t)code; + } + m_OutPos++; + last_char = (uint8_t)code; + if (old_code != (FX_DWORD)-1) { + AddCode(old_code, last_char); + } + old_code = code; + } else if (code == 256) { + m_CodeLen = 9; + m_nCodes = 0; + old_code = (FX_DWORD)-1; + } else if (code == 257) { + break; + } else { + if (old_code == (FX_DWORD)-1) { + return 2; + } + m_StackLen = 0; + if (code >= m_nCodes + 258) { + if (m_StackLen < sizeof(m_DecodeStack)) { + m_DecodeStack[m_StackLen++] = last_char; + } + DecodeString(old_code); + } else { + DecodeString(code); + } + if (m_OutPos + m_StackLen > dest_size) { + return -5; + } + if (m_pOutput) { + for (FX_DWORD i = 0; i < m_StackLen; i++) { + m_pOutput[m_OutPos + i] = m_DecodeStack[m_StackLen - i - 1]; + } + } + m_OutPos += m_StackLen; + last_char = m_DecodeStack[m_StackLen - 1]; + if (old_code < 256) { + AddCode(old_code, last_char); + } else if (old_code - 258 >= m_nCodes) { + dest_size = m_OutPos; + src_size = (m_InPos + 7) / 8; + return 0; + } else { + AddCode(old_code, last_char); + } + old_code = code; + } + } + dest_size = m_OutPos; + src_size = (m_InPos + 7) / 8; + return 0; +} +static uint8_t PaethPredictor(int a, int b, int c) { + int p = a + b - c; + int pa = FXSYS_abs(p - a); + int pb = FXSYS_abs(p - b); + int pc = FXSYS_abs(p - c); + if (pa <= pb && pa <= pc) { + return (uint8_t)a; + } + if (pb <= pc) { + return (uint8_t)b; + } + return (uint8_t)c; +} +static FX_BOOL PNG_PredictorEncode(uint8_t*& data_buf, + FX_DWORD& data_size, + int predictor, + int Colors, + int BitsPerComponent, + int Columns) { + const int BytesPerPixel = (Colors * BitsPerComponent + 7) / 8; + const int row_size = (Colors * BitsPerComponent * Columns + 7) / 8; + if (row_size <= 0) + return FALSE; + const int row_count = (data_size + row_size - 1) / row_size; + const int last_row_size = data_size % row_size; + uint8_t* dest_buf = FX_Alloc2D(uint8_t, row_size + 1, row_count); + int byte_cnt = 0; + uint8_t* pSrcData = data_buf; + uint8_t* pDestData = dest_buf; + for (int row = 0; row < row_count; row++) { + if (predictor == 10) { + pDestData[0] = 0; + int move_size = row_size; + if (move_size * (row + 1) > (int)data_size) { + move_size = data_size - (move_size * row); + } + FXSYS_memmove(pDestData + 1, pSrcData, move_size); + pDestData += (move_size + 1); + pSrcData += move_size; + byte_cnt += move_size; + continue; + } + for (int byte = 0; byte < row_size && byte_cnt < (int)data_size; byte++) { + switch (predictor) { + case 11: { + pDestData[0] = 1; + uint8_t left = 0; + if (byte >= BytesPerPixel) { + left = pSrcData[byte - BytesPerPixel]; + } + pDestData[byte + 1] = pSrcData[byte] - left; + } break; + case 12: { + pDestData[0] = 2; + uint8_t up = 0; + if (row) { + up = pSrcData[byte - row_size]; + } + pDestData[byte + 1] = pSrcData[byte] - up; + } break; + case 13: { + pDestData[0] = 3; + uint8_t left = 0; + if (byte >= BytesPerPixel) { + left = pSrcData[byte - BytesPerPixel]; + } + uint8_t up = 0; + if (row) { + up = pSrcData[byte - row_size]; + } + pDestData[byte + 1] = pSrcData[byte] - (left + up) / 2; + } break; + case 14: { + pDestData[0] = 4; + uint8_t left = 0; + if (byte >= BytesPerPixel) { + left = pSrcData[byte - BytesPerPixel]; + } + uint8_t up = 0; + if (row) { + up = pSrcData[byte - row_size]; + } + uint8_t upper_left = 0; + if (byte >= BytesPerPixel && row) { + upper_left = pSrcData[byte - row_size - BytesPerPixel]; + } + pDestData[byte + 1] = + pSrcData[byte] - PaethPredictor(left, up, upper_left); + } break; + default: { pDestData[byte + 1] = pSrcData[byte]; } break; + } + byte_cnt++; + } + pDestData += (row_size + 1); + pSrcData += row_size; + } + FX_Free(data_buf); + data_buf = dest_buf; + data_size = (row_size + 1) * row_count - + (last_row_size > 0 ? (row_size - last_row_size) : 0); + return TRUE; +} +static void PNG_PredictLine(uint8_t* pDestData, + const uint8_t* pSrcData, + const uint8_t* pLastLine, + int bpc, + int nColors, + int nPixels) { + int row_size = (nPixels * bpc * nColors + 7) / 8; + int BytesPerPixel = (bpc * nColors + 7) / 8; + uint8_t tag = pSrcData[0]; + if (tag == 0) { + FXSYS_memmove(pDestData, pSrcData + 1, row_size); + return; + } + for (int byte = 0; byte < row_size; byte++) { + uint8_t raw_byte = pSrcData[byte + 1]; + switch (tag) { + case 1: { + uint8_t left = 0; + if (byte >= BytesPerPixel) { + left = pDestData[byte - BytesPerPixel]; + } + pDestData[byte] = raw_byte + left; + break; + } + case 2: { + uint8_t up = 0; + if (pLastLine) { + up = pLastLine[byte]; + } + pDestData[byte] = raw_byte + up; + break; + } + case 3: { + uint8_t left = 0; + if (byte >= BytesPerPixel) { + left = pDestData[byte - BytesPerPixel]; + } + uint8_t up = 0; + if (pLastLine) { + up = pLastLine[byte]; + } + pDestData[byte] = raw_byte + (up + left) / 2; + break; + } + case 4: { + uint8_t left = 0; + if (byte >= BytesPerPixel) { + left = pDestData[byte - BytesPerPixel]; + } + uint8_t up = 0; + if (pLastLine) { + up = pLastLine[byte]; + } + uint8_t upper_left = 0; + if (byte >= BytesPerPixel && pLastLine) { + upper_left = pLastLine[byte - BytesPerPixel]; + } + pDestData[byte] = raw_byte + PaethPredictor(left, up, upper_left); + break; + } + default: + pDestData[byte] = raw_byte; + break; + } + } +} +static FX_BOOL PNG_Predictor(uint8_t*& data_buf, + FX_DWORD& data_size, + int Colors, + int BitsPerComponent, + int Columns) { + const int BytesPerPixel = (Colors * BitsPerComponent + 7) / 8; + const int row_size = (Colors * BitsPerComponent * Columns + 7) / 8; + if (row_size <= 0) + return FALSE; + const int row_count = (data_size + row_size) / (row_size + 1); + const int last_row_size = data_size % (row_size + 1); + uint8_t* dest_buf = FX_Alloc2D(uint8_t, row_size, row_count); + int byte_cnt = 0; + uint8_t* pSrcData = data_buf; + uint8_t* pDestData = dest_buf; + for (int row = 0; row < row_count; row++) { uint8_t tag = pSrcData[0]; + byte_cnt++; if (tag == 0) { - FXSYS_memmove(pDestData, pSrcData + 1, row_size); - return; - } - for (int byte = 0; byte < row_size; byte ++) { - uint8_t raw_byte = pSrcData[byte + 1]; - switch (tag) { - case 1: { - uint8_t left = 0; - if (byte >= BytesPerPixel) { - left = pDestData[byte - BytesPerPixel]; - } - pDestData[byte] = raw_byte + left; - break; - } - case 2: { - uint8_t up = 0; - if (pLastLine) { - up = pLastLine[byte]; - } - pDestData[byte] = raw_byte + up; - break; - } - case 3: { - uint8_t left = 0; - if (byte >= BytesPerPixel) { - left = pDestData[byte - BytesPerPixel]; - } - uint8_t up = 0; - if (pLastLine) { - up = pLastLine[byte]; - } - pDestData[byte] = raw_byte + (up + left) / 2; - break; - } - case 4: { - uint8_t left = 0; - if (byte >= BytesPerPixel) { - left = pDestData[byte - BytesPerPixel]; - } - uint8_t up = 0; - if (pLastLine) { - up = pLastLine[byte]; - } - uint8_t upper_left = 0; - if (byte >= BytesPerPixel && pLastLine) { - upper_left = pLastLine[byte - BytesPerPixel]; - } - pDestData[byte] = raw_byte + PaethPredictor(left, up, upper_left); - break; - } - default: - pDestData[byte] = raw_byte; - break; - } - } + int move_size = row_size; + if ((row + 1) * (move_size + 1) > (int)data_size) { + move_size = last_row_size - 1; + } + FXSYS_memmove(pDestData, pSrcData + 1, move_size); + pSrcData += move_size + 1; + pDestData += move_size; + byte_cnt += move_size; + continue; + } + for (int byte = 0; byte < row_size && byte_cnt < (int)data_size; byte++) { + uint8_t raw_byte = pSrcData[byte + 1]; + switch (tag) { + case 1: { + uint8_t left = 0; + if (byte >= BytesPerPixel) { + left = pDestData[byte - BytesPerPixel]; + } + pDestData[byte] = raw_byte + left; + break; + } + case 2: { + uint8_t up = 0; + if (row) { + up = pDestData[byte - row_size]; + } + pDestData[byte] = raw_byte + up; + break; + } + case 3: { + uint8_t left = 0; + if (byte >= BytesPerPixel) { + left = pDestData[byte - BytesPerPixel]; + } + uint8_t up = 0; + if (row) { + up = pDestData[byte - row_size]; + } + pDestData[byte] = raw_byte + (up + left) / 2; + break; + } + case 4: { + uint8_t left = 0; + if (byte >= BytesPerPixel) { + left = pDestData[byte - BytesPerPixel]; + } + uint8_t up = 0; + if (row) { + up = pDestData[byte - row_size]; + } + uint8_t upper_left = 0; + if (byte >= BytesPerPixel && row) { + upper_left = pDestData[byte - row_size - BytesPerPixel]; + } + pDestData[byte] = raw_byte + PaethPredictor(left, up, upper_left); + break; + } + default: + pDestData[byte] = raw_byte; + break; + } + byte_cnt++; + } + pSrcData += row_size + 1; + pDestData += row_size; + } + FX_Free(data_buf); + data_buf = dest_buf; + data_size = row_size * row_count - + (last_row_size > 0 ? (row_size + 1 - last_row_size) : 0); + return TRUE; } -static FX_BOOL PNG_Predictor(uint8_t*& data_buf, FX_DWORD& data_size, - int Colors, int BitsPerComponent, int Columns) -{ - const int BytesPerPixel = (Colors * BitsPerComponent + 7) / 8; - const int row_size = (Colors * BitsPerComponent * Columns + 7) / 8; - if (row_size <= 0) - return FALSE; - const int row_count = (data_size + row_size) / (row_size + 1); - const int last_row_size = data_size % (row_size + 1); - uint8_t* dest_buf = FX_Alloc2D(uint8_t, row_size, row_count); - int byte_cnt = 0; - uint8_t* pSrcData = data_buf; - uint8_t* pDestData = dest_buf; - for (int row = 0; row < row_count; row ++) { - uint8_t tag = pSrcData[0]; - byte_cnt++; - if (tag == 0) { - int move_size = row_size; - if ((row + 1) * (move_size + 1) > (int)data_size) { - move_size = last_row_size - 1; - } - FXSYS_memmove(pDestData, pSrcData + 1, move_size); - pSrcData += move_size + 1; - pDestData += move_size; - byte_cnt += move_size; - continue; - } - for (int byte = 0; byte < row_size && byte_cnt < (int)data_size; byte ++) { - uint8_t raw_byte = pSrcData[byte + 1]; - switch (tag) { - case 1: { - uint8_t left = 0; - if (byte >= BytesPerPixel) { - left = pDestData[byte - BytesPerPixel]; - } - pDestData[byte] = raw_byte + left; - break; - } - case 2: { - uint8_t up = 0; - if (row) { - up = pDestData[byte - row_size]; - } - pDestData[byte] = raw_byte + up; - break; - } - case 3: { - uint8_t left = 0; - if (byte >= BytesPerPixel) { - left = pDestData[byte - BytesPerPixel]; - } - uint8_t up = 0; - if (row) { - up = pDestData[byte - row_size]; - } - pDestData[byte] = raw_byte + (up + left) / 2; - break; - } - case 4: { - uint8_t left = 0; - if (byte >= BytesPerPixel) { - left = pDestData[byte - BytesPerPixel]; - } - uint8_t up = 0; - if (row) { - up = pDestData[byte - row_size]; - } - uint8_t upper_left = 0; - if (byte >= BytesPerPixel && row) { - upper_left = pDestData[byte - row_size - BytesPerPixel]; - } - pDestData[byte] = raw_byte + PaethPredictor(left, up, upper_left); - break; - } - default: - pDestData[byte] = raw_byte; - break; - } - byte_cnt++; - } - pSrcData += row_size + 1; - pDestData += row_size; - } - FX_Free(data_buf); - data_buf = dest_buf; - data_size = row_size * row_count - (last_row_size > 0 ? (row_size + 1 - last_row_size) : 0); - return TRUE; -} -static void TIFF_PredictorEncodeLine(uint8_t* dest_buf, int row_size, int BitsPerComponent, int Colors, int Columns) -{ - int BytesPerPixel = BitsPerComponent * Colors / 8; - if (BitsPerComponent < 8) { - uint8_t mask = 0x01; - if (BitsPerComponent == 2) { - mask = 0x03; - } else if (BitsPerComponent == 4) { - mask = 0x0F; - } - int row_bits = Colors * BitsPerComponent * Columns; - for (int i = row_bits - BitsPerComponent; i >= BitsPerComponent; i -= BitsPerComponent) { - int col = i % 8; - int index = i / 8; - int col_pre = (col == 0) ? (8 - BitsPerComponent) : (col - BitsPerComponent); - int index_pre = (col == 0) ? (index - 1) : index; - uint8_t cur = (dest_buf[index] >> (8 - col - BitsPerComponent)) & mask; - uint8_t left = (dest_buf[index_pre] >> (8 - col_pre - BitsPerComponent)) & mask; - cur -= left; - cur &= mask; - cur <<= (8 - col - BitsPerComponent); - dest_buf[index] &= ~(mask << ((8 - col - BitsPerComponent))); - dest_buf[index] |= cur; - } - } else if (BitsPerComponent == 8) { - for (int i = row_size - 1; i >= BytesPerPixel; i--) { - dest_buf[i] -= dest_buf[i - BytesPerPixel]; - } - } else { - for (int i = row_size - BytesPerPixel; i >= BytesPerPixel; i -= BytesPerPixel) { - FX_WORD pixel = (dest_buf[i] << 8) | dest_buf[i + 1]; - pixel -= (dest_buf[i - BytesPerPixel] << 8) | dest_buf[i - BytesPerPixel + 1]; - dest_buf[i] = pixel >> 8; - dest_buf[i + 1] = (uint8_t)pixel; - } - } +static void TIFF_PredictorEncodeLine(uint8_t* dest_buf, + int row_size, + int BitsPerComponent, + int Colors, + int Columns) { + int BytesPerPixel = BitsPerComponent * Colors / 8; + if (BitsPerComponent < 8) { + uint8_t mask = 0x01; + if (BitsPerComponent == 2) { + mask = 0x03; + } else if (BitsPerComponent == 4) { + mask = 0x0F; + } + int row_bits = Colors * BitsPerComponent * Columns; + for (int i = row_bits - BitsPerComponent; i >= BitsPerComponent; + i -= BitsPerComponent) { + int col = i % 8; + int index = i / 8; + int col_pre = + (col == 0) ? (8 - BitsPerComponent) : (col - BitsPerComponent); + int index_pre = (col == 0) ? (index - 1) : index; + uint8_t cur = (dest_buf[index] >> (8 - col - BitsPerComponent)) & mask; + uint8_t left = + (dest_buf[index_pre] >> (8 - col_pre - BitsPerComponent)) & mask; + cur -= left; + cur &= mask; + cur <<= (8 - col - BitsPerComponent); + dest_buf[index] &= ~(mask << ((8 - col - BitsPerComponent))); + dest_buf[index] |= cur; + } + } else if (BitsPerComponent == 8) { + for (int i = row_size - 1; i >= BytesPerPixel; i--) { + dest_buf[i] -= dest_buf[i - BytesPerPixel]; + } + } else { + for (int i = row_size - BytesPerPixel; i >= BytesPerPixel; + i -= BytesPerPixel) { + FX_WORD pixel = (dest_buf[i] << 8) | dest_buf[i + 1]; + pixel -= + (dest_buf[i - BytesPerPixel] << 8) | dest_buf[i - BytesPerPixel + 1]; + dest_buf[i] = pixel >> 8; + dest_buf[i + 1] = (uint8_t)pixel; + } + } } -static FX_BOOL TIFF_PredictorEncode(uint8_t*& data_buf, FX_DWORD& data_size, - int Colors, int BitsPerComponent, int Columns) -{ - int row_size = (Colors * BitsPerComponent * Columns + 7) / 8; - if (row_size == 0) - return FALSE; - const int row_count = (data_size + row_size - 1) / row_size; - const int last_row_size = data_size % row_size; - for (int row = 0; row < row_count; row++) { - uint8_t* scan_line = data_buf + row * row_size; - if ((row + 1) * row_size > (int)data_size) { - row_size = last_row_size; - } - TIFF_PredictorEncodeLine(scan_line, row_size, BitsPerComponent, Colors, Columns); - } - return TRUE; -} -static void TIFF_PredictLine(uint8_t* dest_buf, int row_size, int BitsPerComponent, int Colors, int Columns) -{ - if (BitsPerComponent == 1) { - int row_bits = FX_MIN(BitsPerComponent * Colors * Columns, row_size * 8); - int index_pre = 0; - int col_pre = 0; - for(int i = 1; i < row_bits; i ++) { - int col = i % 8; - int index = i / 8; - if( ((dest_buf[index] >> (7 - col)) & 1) ^ ((dest_buf[index_pre] >> (7 - col_pre)) & 1) ) { - dest_buf[index] |= 1 << (7 - col); - } else { - dest_buf[index] &= ~(1 << (7 - col)); - } - index_pre = index; - col_pre = col; - } - return; - } - int BytesPerPixel = BitsPerComponent * Colors / 8; - if (BitsPerComponent == 16) { - for (int i = BytesPerPixel; i < row_size; i += 2) { - FX_WORD pixel = (dest_buf[i - BytesPerPixel] << 8) | dest_buf[i - BytesPerPixel + 1]; - pixel += (dest_buf[i] << 8) | dest_buf[i + 1]; - dest_buf[i] = pixel >> 8; - dest_buf[i + 1] = (uint8_t)pixel; - } - } else { - for (int i = BytesPerPixel; i < row_size; i ++) { - dest_buf[i] += dest_buf[i - BytesPerPixel]; - } - } +static FX_BOOL TIFF_PredictorEncode(uint8_t*& data_buf, + FX_DWORD& data_size, + int Colors, + int BitsPerComponent, + int Columns) { + int row_size = (Colors * BitsPerComponent * Columns + 7) / 8; + if (row_size == 0) + return FALSE; + const int row_count = (data_size + row_size - 1) / row_size; + const int last_row_size = data_size % row_size; + for (int row = 0; row < row_count; row++) { + uint8_t* scan_line = data_buf + row * row_size; + if ((row + 1) * row_size > (int)data_size) { + row_size = last_row_size; + } + TIFF_PredictorEncodeLine(scan_line, row_size, BitsPerComponent, Colors, + Columns); + } + return TRUE; } -static FX_BOOL TIFF_Predictor(uint8_t*& data_buf, FX_DWORD& data_size, - int Colors, int BitsPerComponent, int Columns) -{ - int row_size = (Colors * BitsPerComponent * Columns + 7) / 8; - if (row_size == 0) - return FALSE; - const int row_count = (data_size + row_size - 1) / row_size; - const int last_row_size = data_size % row_size; - for (int row = 0; row < row_count; row ++) { - uint8_t* scan_line = data_buf + row * row_size; - if ((row + 1) * row_size > (int)data_size) { - row_size = last_row_size; - } - TIFF_PredictLine(scan_line, row_size, BitsPerComponent, Colors, Columns); +static void TIFF_PredictLine(uint8_t* dest_buf, + int row_size, + int BitsPerComponent, + int Colors, + int Columns) { + if (BitsPerComponent == 1) { + int row_bits = FX_MIN(BitsPerComponent * Colors * Columns, row_size * 8); + int index_pre = 0; + int col_pre = 0; + for (int i = 1; i < row_bits; i++) { + int col = i % 8; + int index = i / 8; + if (((dest_buf[index] >> (7 - col)) & 1) ^ + ((dest_buf[index_pre] >> (7 - col_pre)) & 1)) { + dest_buf[index] |= 1 << (7 - col); + } else { + dest_buf[index] &= ~(1 << (7 - col)); + } + index_pre = index; + col_pre = col; } - return TRUE; -} -class CCodec_FlateScanlineDecoder : public CCodec_ScanlineDecoder -{ -public: - CCodec_FlateScanlineDecoder(); - ~CCodec_FlateScanlineDecoder(); - void Create(const uint8_t* src_buf, FX_DWORD src_size, int width, int height, int nComps, int bpc, - int predictor, int Colors, int BitsPerComponent, int Columns); - virtual void Destroy() - { - delete this; - } - virtual void v_DownScale(int dest_width, int dest_height) {} - virtual FX_BOOL v_Rewind(); - virtual uint8_t* v_GetNextLine(); - virtual FX_DWORD GetSrcOffset(); - void* m_pFlate; - const uint8_t* m_SrcBuf; - FX_DWORD m_SrcSize; - uint8_t* m_pScanline; - uint8_t* m_pLastLine; - uint8_t* m_pPredictBuffer; - uint8_t* m_pPredictRaw; - int m_Predictor; - int m_Colors, m_BitsPerComponent, m_Columns, m_PredictPitch, m_LeftOver; + return; + } + int BytesPerPixel = BitsPerComponent * Colors / 8; + if (BitsPerComponent == 16) { + for (int i = BytesPerPixel; i < row_size; i += 2) { + FX_WORD pixel = + (dest_buf[i - BytesPerPixel] << 8) | dest_buf[i - BytesPerPixel + 1]; + pixel += (dest_buf[i] << 8) | dest_buf[i + 1]; + dest_buf[i] = pixel >> 8; + dest_buf[i + 1] = (uint8_t)pixel; + } + } else { + for (int i = BytesPerPixel; i < row_size; i++) { + dest_buf[i] += dest_buf[i - BytesPerPixel]; + } + } +} +static FX_BOOL TIFF_Predictor(uint8_t*& data_buf, + FX_DWORD& data_size, + int Colors, + int BitsPerComponent, + int Columns) { + int row_size = (Colors * BitsPerComponent * Columns + 7) / 8; + if (row_size == 0) + return FALSE; + const int row_count = (data_size + row_size - 1) / row_size; + const int last_row_size = data_size % row_size; + for (int row = 0; row < row_count; row++) { + uint8_t* scan_line = data_buf + row * row_size; + if ((row + 1) * row_size > (int)data_size) { + row_size = last_row_size; + } + TIFF_PredictLine(scan_line, row_size, BitsPerComponent, Colors, Columns); + } + return TRUE; +} +class CCodec_FlateScanlineDecoder : public CCodec_ScanlineDecoder { + public: + CCodec_FlateScanlineDecoder(); + ~CCodec_FlateScanlineDecoder(); + void Create(const uint8_t* src_buf, + FX_DWORD src_size, + int width, + int height, + int nComps, + int bpc, + int predictor, + int Colors, + int BitsPerComponent, + int Columns); + virtual void Destroy() { delete this; } + virtual void v_DownScale(int dest_width, int dest_height) {} + virtual FX_BOOL v_Rewind(); + virtual uint8_t* v_GetNextLine(); + virtual FX_DWORD GetSrcOffset(); + void* m_pFlate; + const uint8_t* m_SrcBuf; + FX_DWORD m_SrcSize; + uint8_t* m_pScanline; + uint8_t* m_pLastLine; + uint8_t* m_pPredictBuffer; + uint8_t* m_pPredictRaw; + int m_Predictor; + int m_Colors, m_BitsPerComponent, m_Columns, m_PredictPitch, m_LeftOver; }; -CCodec_FlateScanlineDecoder::CCodec_FlateScanlineDecoder() -{ - m_pFlate = NULL; - m_pScanline = NULL; - m_pLastLine = NULL; - m_pPredictBuffer = NULL; - m_pPredictRaw = NULL; - m_LeftOver = 0; -} -CCodec_FlateScanlineDecoder::~CCodec_FlateScanlineDecoder() -{ - if (m_pScanline) { - FX_Free(m_pScanline); - } - if (m_pLastLine) { - FX_Free(m_pLastLine); - } - if (m_pPredictBuffer) { - FX_Free(m_pPredictBuffer); - } - if (m_pPredictRaw) { - FX_Free(m_pPredictRaw); - } - if (m_pFlate) { - FPDFAPI_FlateEnd(m_pFlate); - } +CCodec_FlateScanlineDecoder::CCodec_FlateScanlineDecoder() { + m_pFlate = NULL; + m_pScanline = NULL; + m_pLastLine = NULL; + m_pPredictBuffer = NULL; + m_pPredictRaw = NULL; + m_LeftOver = 0; } -void CCodec_FlateScanlineDecoder::Create(const uint8_t* src_buf, FX_DWORD src_size, int width, int height, - int nComps, int bpc, int predictor, int Colors, int BitsPerComponent, int Columns) -{ - m_SrcBuf = src_buf; - m_SrcSize = src_size; - m_OutputWidth = m_OrigWidth = width; - m_OutputHeight = m_OrigHeight = height; - m_nComps = nComps; - m_bpc = bpc; - m_bColorTransformed = FALSE; - m_Pitch = (width * nComps * bpc + 7) / 8; - m_pScanline = FX_Alloc(uint8_t, m_Pitch); - m_Predictor = 0; - if (predictor) { - if (predictor >= 10) { - m_Predictor = 2; - } else if (predictor == 2) { - m_Predictor = 1; - } - if (m_Predictor) { - if (BitsPerComponent * Colors * Columns == 0) { - BitsPerComponent = m_bpc; - Colors = m_nComps; - Columns = m_OrigWidth; - } - m_Colors = Colors; - m_BitsPerComponent = BitsPerComponent; - m_Columns = Columns; - m_PredictPitch = (m_BitsPerComponent * m_Colors * m_Columns + 7) / 8; - m_pLastLine = FX_Alloc(uint8_t, m_PredictPitch); - m_pPredictRaw = FX_Alloc(uint8_t, m_PredictPitch + 1); - m_pPredictBuffer = FX_Alloc(uint8_t, m_PredictPitch); - } - } +CCodec_FlateScanlineDecoder::~CCodec_FlateScanlineDecoder() { + if (m_pScanline) { + FX_Free(m_pScanline); + } + if (m_pLastLine) { + FX_Free(m_pLastLine); + } + if (m_pPredictBuffer) { + FX_Free(m_pPredictBuffer); + } + if (m_pPredictRaw) { + FX_Free(m_pPredictRaw); + } + if (m_pFlate) { + FPDFAPI_FlateEnd(m_pFlate); + } } -FX_BOOL CCodec_FlateScanlineDecoder::v_Rewind() -{ - if (m_pFlate) { - FPDFAPI_FlateEnd(m_pFlate); +void CCodec_FlateScanlineDecoder::Create(const uint8_t* src_buf, + FX_DWORD src_size, + int width, + int height, + int nComps, + int bpc, + int predictor, + int Colors, + int BitsPerComponent, + int Columns) { + m_SrcBuf = src_buf; + m_SrcSize = src_size; + m_OutputWidth = m_OrigWidth = width; + m_OutputHeight = m_OrigHeight = height; + m_nComps = nComps; + m_bpc = bpc; + m_bColorTransformed = FALSE; + m_Pitch = (width * nComps * bpc + 7) / 8; + m_pScanline = FX_Alloc(uint8_t, m_Pitch); + m_Predictor = 0; + if (predictor) { + if (predictor >= 10) { + m_Predictor = 2; + } else if (predictor == 2) { + m_Predictor = 1; } - m_pFlate = FPDFAPI_FlateInit(my_alloc_func, my_free_func); - if (m_pFlate == NULL) { - return FALSE; - } - FPDFAPI_FlateInput(m_pFlate, m_SrcBuf, m_SrcSize); - m_LeftOver = 0; - return TRUE; -} -uint8_t* CCodec_FlateScanlineDecoder::v_GetNextLine() -{ if (m_Predictor) { - if (m_Pitch == m_PredictPitch) { - if (m_Predictor == 2) { - FPDFAPI_FlateOutput(m_pFlate, m_pPredictRaw, m_PredictPitch + 1); - PNG_PredictLine(m_pScanline, m_pPredictRaw, m_pLastLine, m_BitsPerComponent, m_Colors, m_Columns); - FXSYS_memcpy(m_pLastLine, m_pScanline, m_PredictPitch); - } else { - FPDFAPI_FlateOutput(m_pFlate, m_pScanline, m_Pitch); - TIFF_PredictLine(m_pScanline, m_PredictPitch, m_bpc, m_nComps, m_OutputWidth); - } - } else { - int bytes_to_go = m_Pitch; - int read_leftover = m_LeftOver > bytes_to_go ? bytes_to_go : m_LeftOver; - if (read_leftover) { - FXSYS_memcpy(m_pScanline, m_pPredictBuffer + m_PredictPitch - m_LeftOver, read_leftover); - m_LeftOver -= read_leftover; - bytes_to_go -= read_leftover; - } - while (bytes_to_go) { - if (m_Predictor == 2) { - FPDFAPI_FlateOutput(m_pFlate, m_pPredictRaw, m_PredictPitch + 1); - PNG_PredictLine(m_pPredictBuffer, m_pPredictRaw, m_pLastLine, m_BitsPerComponent, m_Colors, m_Columns); - FXSYS_memcpy(m_pLastLine, m_pPredictBuffer, m_PredictPitch); - } else { - FPDFAPI_FlateOutput(m_pFlate, m_pPredictBuffer, m_PredictPitch); - TIFF_PredictLine(m_pPredictBuffer, m_PredictPitch, m_BitsPerComponent, m_Colors, m_Columns); - } - int read_bytes = m_PredictPitch > bytes_to_go ? bytes_to_go : m_PredictPitch; - FXSYS_memcpy(m_pScanline + m_Pitch - bytes_to_go, m_pPredictBuffer, read_bytes); - m_LeftOver += m_PredictPitch - read_bytes; - bytes_to_go -= read_bytes; - } - } - } else { + if (BitsPerComponent * Colors * Columns == 0) { + BitsPerComponent = m_bpc; + Colors = m_nComps; + Columns = m_OrigWidth; + } + m_Colors = Colors; + m_BitsPerComponent = BitsPerComponent; + m_Columns = Columns; + m_PredictPitch = (m_BitsPerComponent * m_Colors * m_Columns + 7) / 8; + m_pLastLine = FX_Alloc(uint8_t, m_PredictPitch); + m_pPredictRaw = FX_Alloc(uint8_t, m_PredictPitch + 1); + m_pPredictBuffer = FX_Alloc(uint8_t, m_PredictPitch); + } + } +} +FX_BOOL CCodec_FlateScanlineDecoder::v_Rewind() { + if (m_pFlate) { + FPDFAPI_FlateEnd(m_pFlate); + } + m_pFlate = FPDFAPI_FlateInit(my_alloc_func, my_free_func); + if (m_pFlate == NULL) { + return FALSE; + } + FPDFAPI_FlateInput(m_pFlate, m_SrcBuf, m_SrcSize); + m_LeftOver = 0; + return TRUE; +} +uint8_t* CCodec_FlateScanlineDecoder::v_GetNextLine() { + if (m_Predictor) { + if (m_Pitch == m_PredictPitch) { + if (m_Predictor == 2) { + FPDFAPI_FlateOutput(m_pFlate, m_pPredictRaw, m_PredictPitch + 1); + PNG_PredictLine(m_pScanline, m_pPredictRaw, m_pLastLine, + m_BitsPerComponent, m_Colors, m_Columns); + FXSYS_memcpy(m_pLastLine, m_pScanline, m_PredictPitch); + } else { FPDFAPI_FlateOutput(m_pFlate, m_pScanline, m_Pitch); - } - return m_pScanline; -} -FX_DWORD CCodec_FlateScanlineDecoder::GetSrcOffset() -{ - return FPDFAPI_FlateGetTotalIn(m_pFlate); -} -static void FlateUncompress(const uint8_t* src_buf, FX_DWORD src_size, FX_DWORD orig_size, - uint8_t*& dest_buf, FX_DWORD& dest_size, FX_DWORD& offset) -{ - const FX_BOOL useOldImpl = src_size < 10240; - FX_DWORD guess_size = orig_size ? orig_size : src_size * 2; - FX_DWORD alloc_step = orig_size ? 10240 : (src_size < 10240 ? 10240 : src_size); - static const FX_DWORD kMaxInitialAllocSize = 10000000; - if (guess_size > kMaxInitialAllocSize) { - guess_size = kMaxInitialAllocSize; - alloc_step = kMaxInitialAllocSize; - } - FX_DWORD buf_size = guess_size; - FX_DWORD last_buf_size = buf_size; - void* context = nullptr; + TIFF_PredictLine(m_pScanline, m_PredictPitch, m_bpc, m_nComps, + m_OutputWidth); + } + } else { + int bytes_to_go = m_Pitch; + int read_leftover = m_LeftOver > bytes_to_go ? bytes_to_go : m_LeftOver; + if (read_leftover) { + FXSYS_memcpy(m_pScanline, + m_pPredictBuffer + m_PredictPitch - m_LeftOver, + read_leftover); + m_LeftOver -= read_leftover; + bytes_to_go -= read_leftover; + } + while (bytes_to_go) { + if (m_Predictor == 2) { + FPDFAPI_FlateOutput(m_pFlate, m_pPredictRaw, m_PredictPitch + 1); + PNG_PredictLine(m_pPredictBuffer, m_pPredictRaw, m_pLastLine, + m_BitsPerComponent, m_Colors, m_Columns); + FXSYS_memcpy(m_pLastLine, m_pPredictBuffer, m_PredictPitch); + } else { + FPDFAPI_FlateOutput(m_pFlate, m_pPredictBuffer, m_PredictPitch); + TIFF_PredictLine(m_pPredictBuffer, m_PredictPitch, m_BitsPerComponent, + m_Colors, m_Columns); + } + int read_bytes = + m_PredictPitch > bytes_to_go ? bytes_to_go : m_PredictPitch; + FXSYS_memcpy(m_pScanline + m_Pitch - bytes_to_go, m_pPredictBuffer, + read_bytes); + m_LeftOver += m_PredictPitch - read_bytes; + bytes_to_go -= read_bytes; + } + } + } else { + FPDFAPI_FlateOutput(m_pFlate, m_pScanline, m_Pitch); + } + return m_pScanline; +} +FX_DWORD CCodec_FlateScanlineDecoder::GetSrcOffset() { + return FPDFAPI_FlateGetTotalIn(m_pFlate); +} +static void FlateUncompress(const uint8_t* src_buf, + FX_DWORD src_size, + FX_DWORD orig_size, + uint8_t*& dest_buf, + FX_DWORD& dest_size, + FX_DWORD& offset) { + const FX_BOOL useOldImpl = src_size < 10240; + FX_DWORD guess_size = orig_size ? orig_size : src_size * 2; + FX_DWORD alloc_step = + orig_size ? 10240 : (src_size < 10240 ? 10240 : src_size); + static const FX_DWORD kMaxInitialAllocSize = 10000000; + if (guess_size > kMaxInitialAllocSize) { + guess_size = kMaxInitialAllocSize; + alloc_step = kMaxInitialAllocSize; + } + FX_DWORD buf_size = guess_size; + FX_DWORD last_buf_size = buf_size; + void* context = nullptr; - uint8_t* guess_buf = FX_Alloc(uint8_t, guess_size + 1); - uint8_t* cur_buf = guess_buf; - guess_buf[guess_size] = '\0'; - context = FPDFAPI_FlateInit(my_alloc_func, my_free_func); - if (!context) + uint8_t* guess_buf = FX_Alloc(uint8_t, guess_size + 1); + uint8_t* cur_buf = guess_buf; + guess_buf[guess_size] = '\0'; + context = FPDFAPI_FlateInit(my_alloc_func, my_free_func); + if (!context) + goto fail; + FPDFAPI_FlateInput(context, src_buf, src_size); + if (useOldImpl) { + while (1) { + int32_t ret = FPDFAPI_FlateOutput(context, cur_buf, buf_size); + if (ret != Z_OK) + break; + int32_t avail_buf_size = FPDFAPI_FlateGetAvailOut(context); + if (avail_buf_size != 0) + break; + + // |avail_buf_size| == 0 case. + FX_DWORD old_size = guess_size; + guess_size += alloc_step; + if (guess_size < old_size || guess_size + 1 < guess_size) + goto fail; + guess_buf = FX_Realloc(uint8_t, guess_buf, guess_size + 1); + if (!guess_buf) + goto fail; + guess_buf[guess_size] = '\0'; + cur_buf = guess_buf + old_size; + buf_size = guess_size - old_size; + } + dest_size = FPDFAPI_FlateGetTotalOut(context); + offset = FPDFAPI_FlateGetTotalIn(context); + if (guess_size / 2 > dest_size) { + guess_buf = FX_Realloc(uint8_t, guess_buf, dest_size + 1); + if (!guess_buf) goto fail; - FPDFAPI_FlateInput(context, src_buf, src_size); - if (useOldImpl) { - while (1) { - int32_t ret = FPDFAPI_FlateOutput(context, cur_buf, buf_size); - if (ret != Z_OK) - break; - int32_t avail_buf_size = FPDFAPI_FlateGetAvailOut(context); - if (avail_buf_size != 0) - break; + guess_size = dest_size; + guess_buf[guess_size] = '\0'; + } + dest_buf = guess_buf; + } else { + CFX_ArrayTemplate<uint8_t*> result_tmp_bufs; + while (1) { + int32_t ret = FPDFAPI_FlateOutput(context, cur_buf, buf_size); + int32_t avail_buf_size = FPDFAPI_FlateGetAvailOut(context); + if (ret != Z_OK) { + last_buf_size = buf_size - avail_buf_size; + result_tmp_bufs.Add(cur_buf); + break; + } + if (avail_buf_size != 0) { + last_buf_size = buf_size - avail_buf_size; + result_tmp_bufs.Add(cur_buf); + break; + } - // |avail_buf_size| == 0 case. - FX_DWORD old_size = guess_size; - guess_size += alloc_step; - if (guess_size < old_size || guess_size + 1 < guess_size) - goto fail; - guess_buf = FX_Realloc(uint8_t, guess_buf, guess_size + 1); - if (!guess_buf) - goto fail; - guess_buf[guess_size] = '\0'; - cur_buf = guess_buf + old_size; - buf_size = guess_size - old_size; - } - dest_size = FPDFAPI_FlateGetTotalOut(context); - offset = FPDFAPI_FlateGetTotalIn(context); - if (guess_size / 2 > dest_size) { - guess_buf = FX_Realloc(uint8_t, guess_buf, dest_size + 1); - if (!guess_buf) - goto fail; - guess_size = dest_size; - guess_buf[guess_size] = '\0'; - } - dest_buf = guess_buf; + // |avail_buf_size| == 0 case. + result_tmp_bufs.Add(cur_buf); + cur_buf = FX_Alloc(uint8_t, buf_size + 1); + cur_buf[buf_size] = '\0'; + } + dest_size = FPDFAPI_FlateGetTotalOut(context); + offset = FPDFAPI_FlateGetTotalIn(context); + if (result_tmp_bufs.GetSize() == 1) { + dest_buf = result_tmp_bufs[0]; } else { - CFX_ArrayTemplate<uint8_t*> result_tmp_bufs; - while (1) { - int32_t ret = FPDFAPI_FlateOutput(context, cur_buf, buf_size); - int32_t avail_buf_size = FPDFAPI_FlateGetAvailOut(context); - if (ret != Z_OK) { - last_buf_size = buf_size - avail_buf_size; - result_tmp_bufs.Add(cur_buf); - break; - } - if (avail_buf_size != 0) { - last_buf_size = buf_size - avail_buf_size; - result_tmp_bufs.Add(cur_buf); - break; - } - - // |avail_buf_size| == 0 case. - result_tmp_bufs.Add(cur_buf); - cur_buf = FX_Alloc(uint8_t, buf_size + 1); - cur_buf[buf_size] = '\0'; - } - dest_size = FPDFAPI_FlateGetTotalOut(context); - offset = FPDFAPI_FlateGetTotalIn(context); - if (result_tmp_bufs.GetSize() == 1) { - dest_buf = result_tmp_bufs[0]; - } else { - uint8_t* result_buf = FX_Alloc(uint8_t, dest_size); - FX_DWORD result_pos = 0; - for (int32_t i = 0; i < result_tmp_bufs.GetSize(); i++) { - uint8_t* tmp_buf = result_tmp_bufs[i]; - FX_DWORD tmp_buf_size = buf_size; - if (i == result_tmp_bufs.GetSize() - 1) { - tmp_buf_size = last_buf_size; - } - FXSYS_memcpy(result_buf + result_pos, tmp_buf, tmp_buf_size); - result_pos += tmp_buf_size; - FX_Free(result_tmp_bufs[i]); - } - dest_buf = result_buf; - } - } - FPDFAPI_FlateEnd(context); - return; + uint8_t* result_buf = FX_Alloc(uint8_t, dest_size); + FX_DWORD result_pos = 0; + for (int32_t i = 0; i < result_tmp_bufs.GetSize(); i++) { + uint8_t* tmp_buf = result_tmp_bufs[i]; + FX_DWORD tmp_buf_size = buf_size; + if (i == result_tmp_bufs.GetSize() - 1) { + tmp_buf_size = last_buf_size; + } + FXSYS_memcpy(result_buf + result_pos, tmp_buf, tmp_buf_size); + result_pos += tmp_buf_size; + FX_Free(result_tmp_bufs[i]); + } + dest_buf = result_buf; + } + } + FPDFAPI_FlateEnd(context); + return; fail: - FX_Free(guess_buf); - dest_buf = nullptr; - dest_size = 0; - return; + FX_Free(guess_buf); + dest_buf = nullptr; + dest_size = 0; + return; } -ICodec_ScanlineDecoder* CCodec_FlateModule::CreateDecoder(const uint8_t* src_buf, FX_DWORD src_size, int width, int height, - int nComps, int bpc, int predictor, int Colors, int BitsPerComponent, int Columns) -{ - CCodec_FlateScanlineDecoder* pDecoder = new CCodec_FlateScanlineDecoder; - pDecoder->Create(src_buf, src_size, width, height, nComps, bpc, predictor, Colors, BitsPerComponent, Columns); - return pDecoder; -} -FX_DWORD CCodec_FlateModule::FlateOrLZWDecode(FX_BOOL bLZW, const uint8_t* src_buf, FX_DWORD src_size, FX_BOOL bEarlyChange, - int predictor, int Colors, int BitsPerComponent, int Columns, - FX_DWORD estimated_size, uint8_t*& dest_buf, FX_DWORD& dest_size) -{ - dest_buf = NULL; - FX_DWORD offset = 0; - int predictor_type = 0; - if (predictor) { - if (predictor >= 10) { - predictor_type = 2; - } else if (predictor == 2) { - predictor_type = 1; - } - } - if (bLZW) { - { - nonstd::unique_ptr<CLZWDecoder> decoder(new CLZWDecoder); - dest_size = (FX_DWORD) - 1; - offset = src_size; - int err = decoder->Decode(NULL, dest_size, src_buf, offset, - bEarlyChange); - if (err || dest_size == 0 || dest_size + 1 < dest_size) { - return -1; - } - } - { - nonstd::unique_ptr<CLZWDecoder> decoder(new CLZWDecoder); - dest_buf = FX_Alloc( uint8_t, dest_size + 1); - dest_buf[dest_size] = '\0'; - decoder->Decode(dest_buf, dest_size, src_buf, offset, bEarlyChange); - } - } else { - FlateUncompress(src_buf, src_size, estimated_size, dest_buf, dest_size, offset); - } - if (predictor_type == 0) { - return offset; - } - FX_BOOL ret = TRUE; - if (predictor_type == 2) { - ret = PNG_Predictor(dest_buf, dest_size, Colors, BitsPerComponent, - Columns); - } else if (predictor_type == 1) { - ret = TIFF_Predictor(dest_buf, dest_size, Colors, BitsPerComponent, - Columns); - } - return ret ? offset : -1; -} -FX_BOOL CCodec_FlateModule::Encode(const uint8_t* src_buf, FX_DWORD src_size, - int predictor, int Colors, int BitsPerComponent, int Columns, - uint8_t*& dest_buf, FX_DWORD& dest_size) -{ - if (predictor != 2 && predictor < 10) { - return Encode(src_buf, src_size, dest_buf, dest_size); - } - uint8_t* pSrcBuf = NULL; - pSrcBuf = FX_Alloc(uint8_t, src_size); - FXSYS_memcpy(pSrcBuf, src_buf, src_size); - FX_BOOL ret = TRUE; - if (predictor == 2) { - ret = TIFF_PredictorEncode(pSrcBuf, src_size, Colors, BitsPerComponent, - Columns); - } else if (predictor >= 10) { - ret = PNG_PredictorEncode(pSrcBuf, src_size, predictor, Colors, - BitsPerComponent, Columns); +ICodec_ScanlineDecoder* CCodec_FlateModule::CreateDecoder( + const uint8_t* src_buf, + FX_DWORD src_size, + int width, + int height, + int nComps, + int bpc, + int predictor, + int Colors, + int BitsPerComponent, + int Columns) { + CCodec_FlateScanlineDecoder* pDecoder = new CCodec_FlateScanlineDecoder; + pDecoder->Create(src_buf, src_size, width, height, nComps, bpc, predictor, + Colors, BitsPerComponent, Columns); + return pDecoder; +} +FX_DWORD CCodec_FlateModule::FlateOrLZWDecode(FX_BOOL bLZW, + const uint8_t* src_buf, + FX_DWORD src_size, + FX_BOOL bEarlyChange, + int predictor, + int Colors, + int BitsPerComponent, + int Columns, + FX_DWORD estimated_size, + uint8_t*& dest_buf, + FX_DWORD& dest_size) { + dest_buf = NULL; + FX_DWORD offset = 0; + int predictor_type = 0; + if (predictor) { + if (predictor >= 10) { + predictor_type = 2; + } else if (predictor == 2) { + predictor_type = 1; + } + } + if (bLZW) { + { + nonstd::unique_ptr<CLZWDecoder> decoder(new CLZWDecoder); + dest_size = (FX_DWORD)-1; + offset = src_size; + int err = decoder->Decode(NULL, dest_size, src_buf, offset, bEarlyChange); + if (err || dest_size == 0 || dest_size + 1 < dest_size) { + return -1; + } } - if (ret) - ret = Encode(pSrcBuf, src_size, dest_buf, dest_size); - FX_Free(pSrcBuf); - return ret; -} -FX_BOOL CCodec_FlateModule::Encode(const uint8_t* src_buf, FX_DWORD src_size, uint8_t*& dest_buf, FX_DWORD& dest_size) -{ - dest_size = src_size + src_size / 1000 + 12; - dest_buf = FX_Alloc( uint8_t, dest_size); - unsigned long temp_size = dest_size; - FPDFAPI_FlateCompress(dest_buf, &temp_size, src_buf, src_size); - dest_size = (FX_DWORD)temp_size; - return TRUE; + { + nonstd::unique_ptr<CLZWDecoder> decoder(new CLZWDecoder); + dest_buf = FX_Alloc(uint8_t, dest_size + 1); + dest_buf[dest_size] = '\0'; + decoder->Decode(dest_buf, dest_size, src_buf, offset, bEarlyChange); + } + } else { + FlateUncompress(src_buf, src_size, estimated_size, dest_buf, dest_size, + offset); + } + if (predictor_type == 0) { + return offset; + } + FX_BOOL ret = TRUE; + if (predictor_type == 2) { + ret = PNG_Predictor(dest_buf, dest_size, Colors, BitsPerComponent, Columns); + } else if (predictor_type == 1) { + ret = + TIFF_Predictor(dest_buf, dest_size, Colors, BitsPerComponent, Columns); + } + return ret ? offset : -1; +} +FX_BOOL CCodec_FlateModule::Encode(const uint8_t* src_buf, + FX_DWORD src_size, + int predictor, + int Colors, + int BitsPerComponent, + int Columns, + uint8_t*& dest_buf, + FX_DWORD& dest_size) { + if (predictor != 2 && predictor < 10) { + return Encode(src_buf, src_size, dest_buf, dest_size); + } + uint8_t* pSrcBuf = NULL; + pSrcBuf = FX_Alloc(uint8_t, src_size); + FXSYS_memcpy(pSrcBuf, src_buf, src_size); + FX_BOOL ret = TRUE; + if (predictor == 2) { + ret = TIFF_PredictorEncode(pSrcBuf, src_size, Colors, BitsPerComponent, + Columns); + } else if (predictor >= 10) { + ret = PNG_PredictorEncode(pSrcBuf, src_size, predictor, Colors, + BitsPerComponent, Columns); + } + if (ret) + ret = Encode(pSrcBuf, src_size, dest_buf, dest_size); + FX_Free(pSrcBuf); + return ret; +} +FX_BOOL CCodec_FlateModule::Encode(const uint8_t* src_buf, + FX_DWORD src_size, + uint8_t*& dest_buf, + FX_DWORD& dest_size) { + dest_size = src_size + src_size / 1000 + 12; + dest_buf = FX_Alloc(uint8_t, dest_size); + unsigned long temp_size = dest_size; + FPDFAPI_FlateCompress(dest_buf, &temp_size, src_buf, src_size); + dest_size = (FX_DWORD)temp_size; + return TRUE; } diff --git a/core/src/fxcodec/codec/fx_codec_gif.cpp b/core/src/fxcodec/codec/fx_codec_gif.cpp index 4281a0d492..a4fe3d65f9 100644 --- a/core/src/fxcodec/codec/fx_codec_gif.cpp +++ b/core/src/fxcodec/codec/fx_codec_gif.cpp @@ -9,168 +9,181 @@ #include "codec_int.h"
#include "../lgif/fx_gif.h"
struct FXGIF_Context {
- gif_decompress_struct_p gif_ptr;
- void* parent_ptr;
- void* child_ptr;
+ gif_decompress_struct_p gif_ptr;
+ void* parent_ptr;
+ void* child_ptr;
- void* (*m_AllocFunc)(unsigned int);
- void (*m_FreeFunc)(void*);
+ void* (*m_AllocFunc)(unsigned int);
+ void (*m_FreeFunc)(void*);
};
extern "C" {
- static void* _gif_alloc_func(unsigned int size)
- {
- return FX_Alloc(char, size);
- }
- static void _gif_free_func(void* p)
- {
- if(p != NULL) {
- FX_Free(p);
- }
- }
+static void* _gif_alloc_func(unsigned int size) {
+ return FX_Alloc(char, size);
+}
+static void _gif_free_func(void* p) {
+ if (p != NULL) {
+ FX_Free(p);
+ }
+}
};
-static void _gif_error_data(gif_decompress_struct_p gif_ptr, const FX_CHAR* err_msg)
-{
- FXSYS_strncpy((char*)gif_ptr->err_ptr, err_msg, GIF_MAX_ERROR_SIZE - 1);
- longjmp(gif_ptr->jmpbuf, 1);
+static void _gif_error_data(gif_decompress_struct_p gif_ptr,
+ const FX_CHAR* err_msg) {
+ FXSYS_strncpy((char*)gif_ptr->err_ptr, err_msg, GIF_MAX_ERROR_SIZE - 1);
+ longjmp(gif_ptr->jmpbuf, 1);
}
-static uint8_t* _gif_ask_buf_for_pal(gif_decompress_struct_p gif_ptr, int32_t pal_size)
-{
- FXGIF_Context* p = (FXGIF_Context*)gif_ptr->context_ptr;
- CCodec_GifModule* pModule = (CCodec_GifModule*)p->parent_ptr;
- return pModule->AskLocalPaletteBufCallback(p->child_ptr,
- _gif_get_frame_num(gif_ptr),
- pal_size);
+static uint8_t* _gif_ask_buf_for_pal(gif_decompress_struct_p gif_ptr,
+ int32_t pal_size) {
+ FXGIF_Context* p = (FXGIF_Context*)gif_ptr->context_ptr;
+ CCodec_GifModule* pModule = (CCodec_GifModule*)p->parent_ptr;
+ return pModule->AskLocalPaletteBufCallback(
+ p->child_ptr, _gif_get_frame_num(gif_ptr), pal_size);
}
-static void _gif_record_current_position(gif_decompress_struct_p gif_ptr, FX_DWORD* cur_pos_ptr)
-{
- FXGIF_Context* p = (FXGIF_Context*)gif_ptr->context_ptr;
- CCodec_GifModule* pModule = (CCodec_GifModule*)p->parent_ptr;
- pModule->RecordCurrentPositionCallback(p->child_ptr, *cur_pos_ptr);
+static void _gif_record_current_position(gif_decompress_struct_p gif_ptr,
+ FX_DWORD* cur_pos_ptr) {
+ FXGIF_Context* p = (FXGIF_Context*)gif_ptr->context_ptr;
+ CCodec_GifModule* pModule = (CCodec_GifModule*)p->parent_ptr;
+ pModule->RecordCurrentPositionCallback(p->child_ptr, *cur_pos_ptr);
}
-static void _gif_read_scanline(gif_decompress_struct_p gif_ptr, int32_t row_num, uint8_t* row_buf)
-{
- FXGIF_Context* p = (FXGIF_Context*)gif_ptr->context_ptr;
- CCodec_GifModule* pModule = (CCodec_GifModule*)p->parent_ptr;
- pModule->ReadScanlineCallback(p->child_ptr, row_num, row_buf);
+static void _gif_read_scanline(gif_decompress_struct_p gif_ptr,
+ int32_t row_num,
+ uint8_t* row_buf) {
+ FXGIF_Context* p = (FXGIF_Context*)gif_ptr->context_ptr;
+ CCodec_GifModule* pModule = (CCodec_GifModule*)p->parent_ptr;
+ pModule->ReadScanlineCallback(p->child_ptr, row_num, row_buf);
}
-static FX_BOOL _gif_get_record_position(gif_decompress_struct_p gif_ptr, FX_DWORD cur_pos,
- int32_t left, int32_t top, int32_t width, int32_t height,
- int32_t pal_num, void* pal_ptr,
- int32_t delay_time, FX_BOOL user_input,
- int32_t trans_index, int32_t disposal_method, FX_BOOL interlace)
-{
- FXGIF_Context* p = (FXGIF_Context*)gif_ptr->context_ptr;
- CCodec_GifModule* pModule = (CCodec_GifModule*)p->parent_ptr;
- return pModule->InputRecordPositionBufCallback(p->child_ptr, cur_pos, FX_RECT(left, top, left + width, top + height),
- pal_num, pal_ptr, delay_time, user_input, trans_index, disposal_method, interlace);
+static FX_BOOL _gif_get_record_position(gif_decompress_struct_p gif_ptr,
+ FX_DWORD cur_pos,
+ int32_t left,
+ int32_t top,
+ int32_t width,
+ int32_t height,
+ int32_t pal_num,
+ void* pal_ptr,
+ int32_t delay_time,
+ FX_BOOL user_input,
+ int32_t trans_index,
+ int32_t disposal_method,
+ FX_BOOL interlace) {
+ FXGIF_Context* p = (FXGIF_Context*)gif_ptr->context_ptr;
+ CCodec_GifModule* pModule = (CCodec_GifModule*)p->parent_ptr;
+ return pModule->InputRecordPositionBufCallback(
+ p->child_ptr, cur_pos, FX_RECT(left, top, left + width, top + height),
+ pal_num, pal_ptr, delay_time, user_input, trans_index, disposal_method,
+ interlace);
}
-void* CCodec_GifModule::Start(void* pModule)
-{
- FXGIF_Context* p = (FXGIF_Context*)FX_Alloc(uint8_t, sizeof(FXGIF_Context));
- if (p == NULL) {
- return NULL;
- }
- FXSYS_memset(p, 0, sizeof(FXGIF_Context));
- p->m_AllocFunc = _gif_alloc_func;
- p->m_FreeFunc = _gif_free_func;
- p->gif_ptr = NULL;
- p->parent_ptr = (void*)this;
- p->child_ptr = pModule;
- p->gif_ptr = _gif_create_decompress();
- if (p->gif_ptr == NULL) {
- FX_Free(p);
- return NULL;
- }
- p->gif_ptr->context_ptr = (void*)p;
- p->gif_ptr->err_ptr = m_szLastError;
- p->gif_ptr->_gif_error_fn = _gif_error_data;
- p->gif_ptr->_gif_ask_buf_for_pal_fn = _gif_ask_buf_for_pal;
- p->gif_ptr->_gif_record_current_position_fn = _gif_record_current_position;
- p->gif_ptr->_gif_get_row_fn = _gif_read_scanline;
- p->gif_ptr->_gif_get_record_position_fn = _gif_get_record_position;
- return p;
+void* CCodec_GifModule::Start(void* pModule) {
+ FXGIF_Context* p = (FXGIF_Context*)FX_Alloc(uint8_t, sizeof(FXGIF_Context));
+ if (p == NULL) {
+ return NULL;
+ }
+ FXSYS_memset(p, 0, sizeof(FXGIF_Context));
+ p->m_AllocFunc = _gif_alloc_func;
+ p->m_FreeFunc = _gif_free_func;
+ p->gif_ptr = NULL;
+ p->parent_ptr = (void*)this;
+ p->child_ptr = pModule;
+ p->gif_ptr = _gif_create_decompress();
+ if (p->gif_ptr == NULL) {
+ FX_Free(p);
+ return NULL;
+ }
+ p->gif_ptr->context_ptr = (void*)p;
+ p->gif_ptr->err_ptr = m_szLastError;
+ p->gif_ptr->_gif_error_fn = _gif_error_data;
+ p->gif_ptr->_gif_ask_buf_for_pal_fn = _gif_ask_buf_for_pal;
+ p->gif_ptr->_gif_record_current_position_fn = _gif_record_current_position;
+ p->gif_ptr->_gif_get_row_fn = _gif_read_scanline;
+ p->gif_ptr->_gif_get_record_position_fn = _gif_get_record_position;
+ return p;
}
-void CCodec_GifModule::Finish(void* pContext)
-{
- FXGIF_Context* p = (FXGIF_Context*)pContext;
- if(p != NULL) {
- _gif_destroy_decompress(&p->gif_ptr);
- p->m_FreeFunc(p);
- }
+void CCodec_GifModule::Finish(void* pContext) {
+ FXGIF_Context* p = (FXGIF_Context*)pContext;
+ if (p != NULL) {
+ _gif_destroy_decompress(&p->gif_ptr);
+ p->m_FreeFunc(p);
+ }
}
-int32_t CCodec_GifModule::ReadHeader(void* pContext, int* width, int* height,
- int* pal_num, void** pal_pp, int* bg_index, CFX_DIBAttribute* pAttribute)
-{
- FXGIF_Context* p = (FXGIF_Context*)pContext;
- if(setjmp(p->gif_ptr->jmpbuf)) {
- return 0;
- }
- int32_t ret = _gif_read_header(p->gif_ptr);
- if (ret != 1) {
- return ret;
- }
- if (pAttribute) {
- }
- *width = p->gif_ptr->width;
- *height = p->gif_ptr->height;
- *pal_num = p->gif_ptr->global_pal_num;
- *pal_pp = p->gif_ptr->global_pal_ptr;
- *bg_index = p->gif_ptr->bc_index;
- return 1;
+int32_t CCodec_GifModule::ReadHeader(void* pContext,
+ int* width,
+ int* height,
+ int* pal_num,
+ void** pal_pp,
+ int* bg_index,
+ CFX_DIBAttribute* pAttribute) {
+ FXGIF_Context* p = (FXGIF_Context*)pContext;
+ if (setjmp(p->gif_ptr->jmpbuf)) {
+ return 0;
+ }
+ int32_t ret = _gif_read_header(p->gif_ptr);
+ if (ret != 1) {
+ return ret;
+ }
+ if (pAttribute) {
+ }
+ *width = p->gif_ptr->width;
+ *height = p->gif_ptr->height;
+ *pal_num = p->gif_ptr->global_pal_num;
+ *pal_pp = p->gif_ptr->global_pal_ptr;
+ *bg_index = p->gif_ptr->bc_index;
+ return 1;
}
-int32_t CCodec_GifModule::LoadFrameInfo(void* pContext, int* frame_num)
-{
- FXGIF_Context* p = (FXGIF_Context*)pContext;
- if(setjmp(p->gif_ptr->jmpbuf)) {
- return 0;
- }
- int32_t ret = _gif_get_frame(p->gif_ptr);
- if (ret != 1) {
- return ret;
- }
- *frame_num = _gif_get_frame_num(p->gif_ptr);
- return 1;
+int32_t CCodec_GifModule::LoadFrameInfo(void* pContext, int* frame_num) {
+ FXGIF_Context* p = (FXGIF_Context*)pContext;
+ if (setjmp(p->gif_ptr->jmpbuf)) {
+ return 0;
+ }
+ int32_t ret = _gif_get_frame(p->gif_ptr);
+ if (ret != 1) {
+ return ret;
+ }
+ *frame_num = _gif_get_frame_num(p->gif_ptr);
+ return 1;
}
-int32_t CCodec_GifModule::LoadFrame(void* pContext, int frame_num, CFX_DIBAttribute* pAttribute)
-{
- FXGIF_Context* p = (FXGIF_Context*)pContext;
- if(setjmp(p->gif_ptr->jmpbuf)) {
- return 0;
- }
- int32_t ret = _gif_load_frame(p->gif_ptr, frame_num);
- if (ret == 1) {
- if (pAttribute) {
- pAttribute->m_nGifLeft = p->gif_ptr->img_ptr_arr_ptr->GetAt(frame_num)->image_info_ptr->left;
- pAttribute->m_nGifTop = p->gif_ptr->img_ptr_arr_ptr->GetAt(frame_num)->image_info_ptr->top;
- pAttribute->m_fAspectRatio = p->gif_ptr->pixel_aspect;
- if (p->gif_ptr->cmt_data_ptr) {
- const uint8_t* buf = (const uint8_t*)p->gif_ptr->cmt_data_ptr->GetBuffer(0);
- FX_DWORD len = p->gif_ptr->cmt_data_ptr->GetLength();
- if (len > 21) {
- uint8_t size = *buf++;
- if (size) {
- pAttribute->m_strAuthor = CFX_ByteString(buf, size);
- } else {
- pAttribute->m_strAuthor.Empty();
- }
- buf += size;
- size = *buf++;
- if (size == 20) {
- FXSYS_memcpy(pAttribute->m_strTime, buf, size);
- }
- }
- }
+int32_t CCodec_GifModule::LoadFrame(void* pContext,
+ int frame_num,
+ CFX_DIBAttribute* pAttribute) {
+ FXGIF_Context* p = (FXGIF_Context*)pContext;
+ if (setjmp(p->gif_ptr->jmpbuf)) {
+ return 0;
+ }
+ int32_t ret = _gif_load_frame(p->gif_ptr, frame_num);
+ if (ret == 1) {
+ if (pAttribute) {
+ pAttribute->m_nGifLeft =
+ p->gif_ptr->img_ptr_arr_ptr->GetAt(frame_num)->image_info_ptr->left;
+ pAttribute->m_nGifTop =
+ p->gif_ptr->img_ptr_arr_ptr->GetAt(frame_num)->image_info_ptr->top;
+ pAttribute->m_fAspectRatio = p->gif_ptr->pixel_aspect;
+ if (p->gif_ptr->cmt_data_ptr) {
+ const uint8_t* buf =
+ (const uint8_t*)p->gif_ptr->cmt_data_ptr->GetBuffer(0);
+ FX_DWORD len = p->gif_ptr->cmt_data_ptr->GetLength();
+ if (len > 21) {
+ uint8_t size = *buf++;
+ if (size) {
+ pAttribute->m_strAuthor = CFX_ByteString(buf, size);
+ } else {
+ pAttribute->m_strAuthor.Empty();
+ }
+ buf += size;
+ size = *buf++;
+ if (size == 20) {
+ FXSYS_memcpy(pAttribute->m_strTime, buf, size);
+ }
}
+ }
}
- return ret;
+ }
+ return ret;
}
-FX_DWORD CCodec_GifModule::GetAvailInput(void* pContext, uint8_t** avial_buf_ptr)
-{
- FXGIF_Context* p = (FXGIF_Context*)pContext;
- return _gif_get_avail_input(p->gif_ptr, avial_buf_ptr);
+FX_DWORD CCodec_GifModule::GetAvailInput(void* pContext,
+ uint8_t** avial_buf_ptr) {
+ FXGIF_Context* p = (FXGIF_Context*)pContext;
+ return _gif_get_avail_input(p->gif_ptr, avial_buf_ptr);
}
-void CCodec_GifModule::Input(void* pContext, const uint8_t* src_buf, FX_DWORD src_size)
-{
- FXGIF_Context* p = (FXGIF_Context*)pContext;
- _gif_input_buffer(p->gif_ptr, (uint8_t*)src_buf, src_size);
+void CCodec_GifModule::Input(void* pContext,
+ const uint8_t* src_buf,
+ FX_DWORD src_size) {
+ FXGIF_Context* p = (FXGIF_Context*)pContext;
+ _gif_input_buffer(p->gif_ptr, (uint8_t*)src_buf, src_size);
}
diff --git a/core/src/fxcodec/codec/fx_codec_icc.cpp b/core/src/fxcodec/codec/fx_codec_icc.cpp index 7507fe5d6d..856766e4ea 100644 --- a/core/src/fxcodec/codec/fx_codec_icc.cpp +++ b/core/src/fxcodec/codec/fx_codec_icc.cpp @@ -14,1354 +14,1970 @@ const FX_DWORD N_COMPONENT_RGB = 3; const FX_DWORD N_COMPONENT_CMYK = 4; const FX_DWORD N_COMPONENT_DEFAULT = 3; -FX_BOOL MD5ComputeID( const void* buf, FX_DWORD dwSize, uint8_t ID[16] ) -{ - return cmsMD5computeIDExt(buf, dwSize, ID); +FX_BOOL MD5ComputeID(const void* buf, FX_DWORD dwSize, uint8_t ID[16]) { + return cmsMD5computeIDExt(buf, dwSize, ID); } -struct CLcmsCmm { - cmsHTRANSFORM m_hTransform; - int m_nSrcComponents; - int m_nDstComponents; - FX_BOOL m_bLab; +struct CLcmsCmm { + cmsHTRANSFORM m_hTransform; + int m_nSrcComponents; + int m_nDstComponents; + FX_BOOL m_bLab; }; extern "C" { - int ourHandler(int ErrorCode, const char *ErrorText) - { - return TRUE; - } +int ourHandler(int ErrorCode, const char* ErrorText) { + return TRUE; +} }; -FX_BOOL CheckComponents(cmsColorSpaceSignature cs, int nComponents, FX_BOOL bDst) -{ - if (nComponents <= 0 || nComponents > 15) { +FX_BOOL CheckComponents(cmsColorSpaceSignature cs, + int nComponents, + FX_BOOL bDst) { + if (nComponents <= 0 || nComponents > 15) { + return FALSE; + } + switch (cs) { + case cmsSigLabData: + if (nComponents < 3) { return FALSE; - } - switch(cs) { - case cmsSigLabData: - if (nComponents < 3) { - return FALSE; - } - break; - case cmsSigGrayData: - if (bDst && nComponents != 1) { - return FALSE; - } - if (!bDst && nComponents > 2) { - return FALSE; - } - break; - case cmsSigRgbData: - if (bDst && nComponents != 3) { - return FALSE; - } - break; - case cmsSigCmykData: - if (bDst && nComponents != 4) { - return FALSE; - } - break; - default: - if (nComponents != 3) { - return FALSE; - } - break; - } - return TRUE; + } + break; + case cmsSigGrayData: + if (bDst && nComponents != 1) { + return FALSE; + } + if (!bDst && nComponents > 2) { + return FALSE; + } + break; + case cmsSigRgbData: + if (bDst && nComponents != 3) { + return FALSE; + } + break; + case cmsSigCmykData: + if (bDst && nComponents != 4) { + return FALSE; + } + break; + default: + if (nComponents != 3) { + return FALSE; + } + break; + } + return TRUE; } -int32_t GetCSComponents(cmsColorSpaceSignature cs) -{ - FX_DWORD components; - switch (cs) { - case cmsSigLabData: - components = N_COMPONENT_LAB; - break; - case cmsSigGrayData: - components = N_COMPONENT_GRAY; - break; - case cmsSigRgbData: - components = N_COMPONENT_RGB; - break; - case cmsSigCmykData: - components = N_COMPONENT_CMYK; - break; - default: - components = N_COMPONENT_DEFAULT; - break; - } - return components; +int32_t GetCSComponents(cmsColorSpaceSignature cs) { + FX_DWORD components; + switch (cs) { + case cmsSigLabData: + components = N_COMPONENT_LAB; + break; + case cmsSigGrayData: + components = N_COMPONENT_GRAY; + break; + case cmsSigRgbData: + components = N_COMPONENT_RGB; + break; + case cmsSigCmykData: + components = N_COMPONENT_CMYK; + break; + default: + components = N_COMPONENT_DEFAULT; + break; + } + return components; } -void* IccLib_CreateTransform(const unsigned char* pSrcProfileData, FX_DWORD dwSrcProfileSize, int32_t& nSrcComponents, - const unsigned char* pDstProfileData, FX_DWORD dwDstProfileSize, int32_t nDstComponents, - int intent, FX_DWORD dwSrcFormat = Icc_FORMAT_DEFAULT, FX_DWORD dwDstFormat = Icc_FORMAT_DEFAULT) -{ - cmsHPROFILE srcProfile = NULL; - cmsHPROFILE dstProfile = NULL; - cmsHTRANSFORM hTransform = NULL; - CLcmsCmm* pCmm = NULL; - nSrcComponents = 0; - srcProfile = cmsOpenProfileFromMem((void*)pSrcProfileData, dwSrcProfileSize); - if (srcProfile == NULL) { - return NULL; - } - if(pDstProfileData == NULL && dwDstProfileSize == 0 && nDstComponents == 3) { - dstProfile = cmsCreate_sRGBProfile(); - } else { - dstProfile = cmsOpenProfileFromMem((void*)pDstProfileData, dwDstProfileSize); - } - if (dstProfile == NULL) { - cmsCloseProfile(srcProfile); - return NULL; - } - int srcFormat; - FX_BOOL bLab = FALSE; - cmsColorSpaceSignature srcCS = cmsGetColorSpace(srcProfile); - nSrcComponents = GetCSComponents(srcCS); - if (srcCS == cmsSigLabData) { - srcFormat = COLORSPACE_SH(PT_Lab) | CHANNELS_SH(nSrcComponents) | BYTES_SH(0); - bLab = TRUE; - } else { - srcFormat = COLORSPACE_SH(PT_ANY) | CHANNELS_SH(nSrcComponents) | BYTES_SH(1); - if (srcCS == cmsSigRgbData && T_DOSWAP(dwSrcFormat)) { - srcFormat |= DOSWAP_SH(1); - } - } - cmsColorSpaceSignature dstCS = cmsGetColorSpace(dstProfile); - if (!CheckComponents(dstCS, nDstComponents, TRUE)) { - cmsCloseProfile(srcProfile); - cmsCloseProfile(dstProfile); - return NULL; - } - switch(dstCS) { - case cmsSigGrayData: - hTransform = cmsCreateTransform(srcProfile, srcFormat, dstProfile, TYPE_GRAY_8, intent, 0); - break; - case cmsSigRgbData: - hTransform = cmsCreateTransform(srcProfile, srcFormat, dstProfile, TYPE_BGR_8, intent, 0); - break; - case cmsSigCmykData: - hTransform = cmsCreateTransform(srcProfile, srcFormat, dstProfile, - T_DOSWAP(dwDstFormat) ? TYPE_KYMC_8 : TYPE_CMYK_8, - intent, 0); - break; - default: - break; - } - if (hTransform == NULL) { - cmsCloseProfile(srcProfile); - cmsCloseProfile(dstProfile); - return NULL; +void* IccLib_CreateTransform(const unsigned char* pSrcProfileData, + FX_DWORD dwSrcProfileSize, + int32_t& nSrcComponents, + const unsigned char* pDstProfileData, + FX_DWORD dwDstProfileSize, + int32_t nDstComponents, + int intent, + FX_DWORD dwSrcFormat = Icc_FORMAT_DEFAULT, + FX_DWORD dwDstFormat = Icc_FORMAT_DEFAULT) { + cmsHPROFILE srcProfile = NULL; + cmsHPROFILE dstProfile = NULL; + cmsHTRANSFORM hTransform = NULL; + CLcmsCmm* pCmm = NULL; + nSrcComponents = 0; + srcProfile = cmsOpenProfileFromMem((void*)pSrcProfileData, dwSrcProfileSize); + if (srcProfile == NULL) { + return NULL; + } + if (pDstProfileData == NULL && dwDstProfileSize == 0 && nDstComponents == 3) { + dstProfile = cmsCreate_sRGBProfile(); + } else { + dstProfile = + cmsOpenProfileFromMem((void*)pDstProfileData, dwDstProfileSize); + } + if (dstProfile == NULL) { + cmsCloseProfile(srcProfile); + return NULL; + } + int srcFormat; + FX_BOOL bLab = FALSE; + cmsColorSpaceSignature srcCS = cmsGetColorSpace(srcProfile); + nSrcComponents = GetCSComponents(srcCS); + if (srcCS == cmsSigLabData) { + srcFormat = + COLORSPACE_SH(PT_Lab) | CHANNELS_SH(nSrcComponents) | BYTES_SH(0); + bLab = TRUE; + } else { + srcFormat = + COLORSPACE_SH(PT_ANY) | CHANNELS_SH(nSrcComponents) | BYTES_SH(1); + if (srcCS == cmsSigRgbData && T_DOSWAP(dwSrcFormat)) { + srcFormat |= DOSWAP_SH(1); } - pCmm = new CLcmsCmm; - pCmm->m_nSrcComponents = nSrcComponents; - pCmm->m_nDstComponents = nDstComponents; - pCmm->m_hTransform = hTransform; - pCmm->m_bLab = bLab; + } + cmsColorSpaceSignature dstCS = cmsGetColorSpace(dstProfile); + if (!CheckComponents(dstCS, nDstComponents, TRUE)) { cmsCloseProfile(srcProfile); cmsCloseProfile(dstProfile); - return pCmm; + return NULL; + } + switch (dstCS) { + case cmsSigGrayData: + hTransform = cmsCreateTransform(srcProfile, srcFormat, dstProfile, + TYPE_GRAY_8, intent, 0); + break; + case cmsSigRgbData: + hTransform = cmsCreateTransform(srcProfile, srcFormat, dstProfile, + TYPE_BGR_8, intent, 0); + break; + case cmsSigCmykData: + hTransform = cmsCreateTransform( + srcProfile, srcFormat, dstProfile, + T_DOSWAP(dwDstFormat) ? TYPE_KYMC_8 : TYPE_CMYK_8, intent, 0); + break; + default: + break; + } + if (hTransform == NULL) { + cmsCloseProfile(srcProfile); + cmsCloseProfile(dstProfile); + return NULL; + } + pCmm = new CLcmsCmm; + pCmm->m_nSrcComponents = nSrcComponents; + pCmm->m_nDstComponents = nDstComponents; + pCmm->m_hTransform = hTransform; + pCmm->m_bLab = bLab; + cmsCloseProfile(srcProfile); + cmsCloseProfile(dstProfile); + return pCmm; } -void* IccLib_CreateTransform_sRGB(const unsigned char* pProfileData, FX_DWORD dwProfileSize, int32_t& nComponents, int32_t intent, FX_DWORD dwSrcFormat) -{ - return IccLib_CreateTransform(pProfileData, dwProfileSize, nComponents, NULL, 0, 3, intent, dwSrcFormat); +void* IccLib_CreateTransform_sRGB(const unsigned char* pProfileData, + FX_DWORD dwProfileSize, + int32_t& nComponents, + int32_t intent, + FX_DWORD dwSrcFormat) { + return IccLib_CreateTransform(pProfileData, dwProfileSize, nComponents, NULL, + 0, 3, intent, dwSrcFormat); } -void IccLib_DestroyTransform(void* pTransform) -{ - if (pTransform == NULL) { - return; - } - cmsDeleteTransform(((CLcmsCmm*)pTransform)->m_hTransform); - delete (CLcmsCmm*)pTransform; +void IccLib_DestroyTransform(void* pTransform) { + if (pTransform == NULL) { + return; + } + cmsDeleteTransform(((CLcmsCmm*)pTransform)->m_hTransform); + delete (CLcmsCmm*)pTransform; } -void IccLib_Translate(void* pTransform, FX_DWORD nSrcComponents, FX_FLOAT* pSrcValues, FX_FLOAT* pDestValues) -{ - if (pTransform == NULL) { - return; - } - CLcmsCmm* p = (CLcmsCmm*)pTransform; - uint8_t output[4]; - if (p->m_bLab) { - CFX_FixedBufGrow<double, 16> inputs(nSrcComponents); - double* input = inputs; - for (FX_DWORD i = 0; i < nSrcComponents; i ++) { - input[i] = pSrcValues[i]; - } - cmsDoTransform(p->m_hTransform, input, output, 1); - } else { - CFX_FixedBufGrow<uint8_t, 16> inputs(nSrcComponents); - uint8_t* input = inputs; - for (FX_DWORD i = 0; i < nSrcComponents; i ++) { - if (pSrcValues[i] > 1.0f) { - input[i] = 255; - } else if (pSrcValues[i] < 0) { - input[i] = 0; - } else { - input[i] = (int)(pSrcValues[i] * 255.0f); - } - } - cmsDoTransform(p->m_hTransform, input, output, 1); +void IccLib_Translate(void* pTransform, + FX_DWORD nSrcComponents, + FX_FLOAT* pSrcValues, + FX_FLOAT* pDestValues) { + if (pTransform == NULL) { + return; + } + CLcmsCmm* p = (CLcmsCmm*)pTransform; + uint8_t output[4]; + if (p->m_bLab) { + CFX_FixedBufGrow<double, 16> inputs(nSrcComponents); + double* input = inputs; + for (FX_DWORD i = 0; i < nSrcComponents; i++) { + input[i] = pSrcValues[i]; } - switch(p->m_nDstComponents) { - case 1: - pDestValues[0] = output[0] / 255.0f; - break; - case 3: - pDestValues[0] = output[2] / 255.0f; - pDestValues[1] = output[1] / 255.0f; - pDestValues[2] = output[0] / 255.0f; - break; - case 4: - pDestValues[0] = output[0] / 255.0f; - pDestValues[1] = output[1] / 255.0f; - pDestValues[2] = output[2] / 255.0f; - pDestValues[3] = output[3] / 255.0f; - break; + cmsDoTransform(p->m_hTransform, input, output, 1); + } else { + CFX_FixedBufGrow<uint8_t, 16> inputs(nSrcComponents); + uint8_t* input = inputs; + for (FX_DWORD i = 0; i < nSrcComponents; i++) { + if (pSrcValues[i] > 1.0f) { + input[i] = 255; + } else if (pSrcValues[i] < 0) { + input[i] = 0; + } else { + input[i] = (int)(pSrcValues[i] * 255.0f); + } } + cmsDoTransform(p->m_hTransform, input, output, 1); + } + switch (p->m_nDstComponents) { + case 1: + pDestValues[0] = output[0] / 255.0f; + break; + case 3: + pDestValues[0] = output[2] / 255.0f; + pDestValues[1] = output[1] / 255.0f; + pDestValues[2] = output[0] / 255.0f; + break; + case 4: + pDestValues[0] = output[0] / 255.0f; + pDestValues[1] = output[1] / 255.0f; + pDestValues[2] = output[2] / 255.0f; + pDestValues[3] = output[3] / 255.0f; + break; + } } -void IccLib_TranslateImage(void* pTransform, unsigned char* pDest, const unsigned char* pSrc, int32_t pixels) -{ - cmsDoTransform(((CLcmsCmm*)pTransform)->m_hTransform, (void*)pSrc, pDest, pixels); +void IccLib_TranslateImage(void* pTransform, + unsigned char* pDest, + const unsigned char* pSrc, + int32_t pixels) { + cmsDoTransform(((CLcmsCmm*)pTransform)->m_hTransform, (void*)pSrc, pDest, + pixels); } -void* CreateProfile_Gray(double gamma) -{ - cmsCIExyY* D50 = (cmsCIExyY*)cmsD50_xyY(); - if (!cmsWhitePointFromTemp(D50, 6504)) { - return NULL; - } - cmsToneCurve* curve = cmsBuildGamma(NULL, gamma); - if (curve == NULL) { - return NULL; - } - void* profile = cmsCreateGrayProfile(D50, curve); - cmsFreeToneCurve(curve); - return profile; +void* CreateProfile_Gray(double gamma) { + cmsCIExyY* D50 = (cmsCIExyY*)cmsD50_xyY(); + if (!cmsWhitePointFromTemp(D50, 6504)) { + return NULL; + } + cmsToneCurve* curve = cmsBuildGamma(NULL, gamma); + if (curve == NULL) { + return NULL; + } + void* profile = cmsCreateGrayProfile(D50, curve); + cmsFreeToneCurve(curve); + return profile; } -ICodec_IccModule::IccCS GetProfileCSFromHandle(void* pProfile) -{ - if (pProfile == NULL) { - return ICodec_IccModule::IccCS_Unknown; - } - switch (cmsGetColorSpace(pProfile)) { - case cmsSigXYZData: - return ICodec_IccModule::IccCS_XYZ; - case cmsSigLabData: - return ICodec_IccModule::IccCS_Lab; - case cmsSigLuvData: - return ICodec_IccModule::IccCS_Luv; - case cmsSigYCbCrData: - return ICodec_IccModule::IccCS_YCbCr; - case cmsSigYxyData: - return ICodec_IccModule::IccCS_Yxy; - case cmsSigRgbData: - return ICodec_IccModule::IccCS_Rgb; - case cmsSigGrayData: - return ICodec_IccModule::IccCS_Gray; - case cmsSigHsvData: - return ICodec_IccModule::IccCS_Hsv; - case cmsSigHlsData: - return ICodec_IccModule::IccCS_Hls; - case cmsSigCmykData: - return ICodec_IccModule::IccCS_Cmyk; - case cmsSigCmyData: - return ICodec_IccModule::IccCS_Cmy; - default: - return ICodec_IccModule::IccCS_Unknown; - } +ICodec_IccModule::IccCS GetProfileCSFromHandle(void* pProfile) { + if (pProfile == NULL) { + return ICodec_IccModule::IccCS_Unknown; + } + switch (cmsGetColorSpace(pProfile)) { + case cmsSigXYZData: + return ICodec_IccModule::IccCS_XYZ; + case cmsSigLabData: + return ICodec_IccModule::IccCS_Lab; + case cmsSigLuvData: + return ICodec_IccModule::IccCS_Luv; + case cmsSigYCbCrData: + return ICodec_IccModule::IccCS_YCbCr; + case cmsSigYxyData: + return ICodec_IccModule::IccCS_Yxy; + case cmsSigRgbData: + return ICodec_IccModule::IccCS_Rgb; + case cmsSigGrayData: + return ICodec_IccModule::IccCS_Gray; + case cmsSigHsvData: + return ICodec_IccModule::IccCS_Hsv; + case cmsSigHlsData: + return ICodec_IccModule::IccCS_Hls; + case cmsSigCmykData: + return ICodec_IccModule::IccCS_Cmyk; + case cmsSigCmyData: + return ICodec_IccModule::IccCS_Cmy; + default: + return ICodec_IccModule::IccCS_Unknown; + } } -ICodec_IccModule::IccCS CCodec_IccModule::GetProfileCS(const uint8_t* pProfileData, FX_DWORD dwProfileSize) -{ - ICodec_IccModule::IccCS cs; - cmsHPROFILE hProfile = cmsOpenProfileFromMem((void*)pProfileData, dwProfileSize); - if (hProfile == NULL) { - return IccCS_Unknown; - } - cs = GetProfileCSFromHandle(hProfile); - if (hProfile) { - cmsCloseProfile(hProfile); - } - return cs; +ICodec_IccModule::IccCS CCodec_IccModule::GetProfileCS( + const uint8_t* pProfileData, + FX_DWORD dwProfileSize) { + ICodec_IccModule::IccCS cs; + cmsHPROFILE hProfile = + cmsOpenProfileFromMem((void*)pProfileData, dwProfileSize); + if (hProfile == NULL) { + return IccCS_Unknown; + } + cs = GetProfileCSFromHandle(hProfile); + if (hProfile) { + cmsCloseProfile(hProfile); + } + return cs; } -ICodec_IccModule::IccCS CCodec_IccModule::GetProfileCS(IFX_FileRead* pFile) -{ - if (pFile == NULL) { - return IccCS_Unknown; - } - ICodec_IccModule::IccCS cs; - FX_DWORD dwSize = (FX_DWORD)pFile->GetSize(); - uint8_t* pBuf = FX_Alloc(uint8_t, dwSize); - pFile->ReadBlock(pBuf, 0, dwSize); - cs = GetProfileCS(pBuf, dwSize); - FX_Free(pBuf); - return cs; +ICodec_IccModule::IccCS CCodec_IccModule::GetProfileCS(IFX_FileRead* pFile) { + if (pFile == NULL) { + return IccCS_Unknown; + } + ICodec_IccModule::IccCS cs; + FX_DWORD dwSize = (FX_DWORD)pFile->GetSize(); + uint8_t* pBuf = FX_Alloc(uint8_t, dwSize); + pFile->ReadBlock(pBuf, 0, dwSize); + cs = GetProfileCS(pBuf, dwSize); + FX_Free(pBuf); + return cs; } -FX_DWORD TransferProfileType(void* pProfile, FX_DWORD dwFormat) -{ - cmsColorSpaceSignature cs = cmsGetColorSpace(pProfile); - switch (cs) { - case cmsSigXYZData: - return TYPE_XYZ_16; - case cmsSigLabData: - return TYPE_Lab_DBL; - case cmsSigLuvData: - return TYPE_YUV_8; - case cmsSigYCbCrData: - return TYPE_YCbCr_8; - case cmsSigYxyData: - return TYPE_Yxy_16; - case cmsSigRgbData: - return T_DOSWAP(dwFormat) ? TYPE_RGB_8 : TYPE_BGR_8; - case cmsSigGrayData: - return TYPE_GRAY_8; - case cmsSigHsvData: - return TYPE_HSV_8; - case cmsSigHlsData: - return TYPE_HLS_8; - case cmsSigCmykData: - return T_DOSWAP(dwFormat) ? TYPE_KYMC_8 : TYPE_CMYK_8; - case cmsSigCmyData: - return TYPE_CMY_8; - case cmsSigMCH5Data: - return T_DOSWAP(dwFormat) ? TYPE_KYMC5_8 : TYPE_CMYK5_8; - case cmsSigMCH6Data: - return TYPE_CMYK6_8; - case cmsSigMCH7Data: - return T_DOSWAP(dwFormat) ? TYPE_KYMC7_8 : TYPE_CMYK7_8; - case cmsSigMCH8Data: - return T_DOSWAP(dwFormat) ? TYPE_KYMC8_8 : TYPE_CMYK8_8; - case cmsSigMCH9Data: - return T_DOSWAP(dwFormat) ? TYPE_KYMC9_8 : TYPE_CMYK9_8; - case cmsSigMCHAData: - return T_DOSWAP(dwFormat) ? TYPE_KYMC10_8 : TYPE_CMYK10_8; - case cmsSigMCHBData: - return T_DOSWAP(dwFormat) ? TYPE_KYMC11_8 : TYPE_CMYK11_8; - case cmsSigMCHCData: - return T_DOSWAP(dwFormat) ? TYPE_KYMC12_8 : TYPE_CMYK12_8; - default: - return 0; - } +FX_DWORD TransferProfileType(void* pProfile, FX_DWORD dwFormat) { + cmsColorSpaceSignature cs = cmsGetColorSpace(pProfile); + switch (cs) { + case cmsSigXYZData: + return TYPE_XYZ_16; + case cmsSigLabData: + return TYPE_Lab_DBL; + case cmsSigLuvData: + return TYPE_YUV_8; + case cmsSigYCbCrData: + return TYPE_YCbCr_8; + case cmsSigYxyData: + return TYPE_Yxy_16; + case cmsSigRgbData: + return T_DOSWAP(dwFormat) ? TYPE_RGB_8 : TYPE_BGR_8; + case cmsSigGrayData: + return TYPE_GRAY_8; + case cmsSigHsvData: + return TYPE_HSV_8; + case cmsSigHlsData: + return TYPE_HLS_8; + case cmsSigCmykData: + return T_DOSWAP(dwFormat) ? TYPE_KYMC_8 : TYPE_CMYK_8; + case cmsSigCmyData: + return TYPE_CMY_8; + case cmsSigMCH5Data: + return T_DOSWAP(dwFormat) ? TYPE_KYMC5_8 : TYPE_CMYK5_8; + case cmsSigMCH6Data: + return TYPE_CMYK6_8; + case cmsSigMCH7Data: + return T_DOSWAP(dwFormat) ? TYPE_KYMC7_8 : TYPE_CMYK7_8; + case cmsSigMCH8Data: + return T_DOSWAP(dwFormat) ? TYPE_KYMC8_8 : TYPE_CMYK8_8; + case cmsSigMCH9Data: + return T_DOSWAP(dwFormat) ? TYPE_KYMC9_8 : TYPE_CMYK9_8; + case cmsSigMCHAData: + return T_DOSWAP(dwFormat) ? TYPE_KYMC10_8 : TYPE_CMYK10_8; + case cmsSigMCHBData: + return T_DOSWAP(dwFormat) ? TYPE_KYMC11_8 : TYPE_CMYK11_8; + case cmsSigMCHCData: + return T_DOSWAP(dwFormat) ? TYPE_KYMC12_8 : TYPE_CMYK12_8; + default: + return 0; + } } -class CFX_IccProfileCache -{ -public: - CFX_IccProfileCache(); - ~CFX_IccProfileCache(); - void* m_pProfile; - FX_DWORD m_dwRate; -protected: - void Purge(); +class CFX_IccProfileCache { + public: + CFX_IccProfileCache(); + ~CFX_IccProfileCache(); + void* m_pProfile; + FX_DWORD m_dwRate; + + protected: + void Purge(); }; -CFX_IccProfileCache::CFX_IccProfileCache() -{ - m_pProfile = NULL; - m_dwRate = 1; +CFX_IccProfileCache::CFX_IccProfileCache() { + m_pProfile = NULL; + m_dwRate = 1; } -CFX_IccProfileCache::~CFX_IccProfileCache() -{ - if (m_pProfile) { - cmsCloseProfile(m_pProfile); - } -} -void CFX_IccProfileCache::Purge() -{ +CFX_IccProfileCache::~CFX_IccProfileCache() { + if (m_pProfile) { + cmsCloseProfile(m_pProfile); + } } -class CFX_IccTransformCache -{ -public: - CFX_IccTransformCache(CLcmsCmm* pCmm = NULL); - ~CFX_IccTransformCache(); - void* m_pIccTransform; - FX_DWORD m_dwRate; - CLcmsCmm* m_pCmm; -protected: - void Purge(); +void CFX_IccProfileCache::Purge() {} +class CFX_IccTransformCache { + public: + CFX_IccTransformCache(CLcmsCmm* pCmm = NULL); + ~CFX_IccTransformCache(); + void* m_pIccTransform; + FX_DWORD m_dwRate; + CLcmsCmm* m_pCmm; + + protected: + void Purge(); }; -CFX_IccTransformCache::CFX_IccTransformCache(CLcmsCmm* pCmm) -{ - m_pIccTransform = NULL; - m_dwRate = 1; - m_pCmm = pCmm; -} -CFX_IccTransformCache::~CFX_IccTransformCache() -{ - if (m_pIccTransform) { - cmsDeleteTransform(m_pIccTransform); - } - if (m_pCmm) { - FX_Free(m_pCmm); - } +CFX_IccTransformCache::CFX_IccTransformCache(CLcmsCmm* pCmm) { + m_pIccTransform = NULL; + m_dwRate = 1; + m_pCmm = pCmm; } -void CFX_IccTransformCache::Purge() -{ +CFX_IccTransformCache::~CFX_IccTransformCache() { + if (m_pIccTransform) { + cmsDeleteTransform(m_pIccTransform); + } + if (m_pCmm) { + FX_Free(m_pCmm); + } } -class CFX_ByteStringKey : public CFX_BinaryBuf -{ -public: - CFX_ByteStringKey() : CFX_BinaryBuf() {} - CFX_ByteStringKey& operator << (FX_DWORD i); +void CFX_IccTransformCache::Purge() {} +class CFX_ByteStringKey : public CFX_BinaryBuf { + public: + CFX_ByteStringKey() : CFX_BinaryBuf() {} + CFX_ByteStringKey& operator<<(FX_DWORD i); }; -CFX_ByteStringKey& CFX_ByteStringKey::operator << (FX_DWORD i) -{ - AppendBlock(&i, sizeof(FX_DWORD)); - return *this; +CFX_ByteStringKey& CFX_ByteStringKey::operator<<(FX_DWORD i) { + AppendBlock(&i, sizeof(FX_DWORD)); + return *this; } -void* CCodec_IccModule::CreateProfile(ICodec_IccModule::IccParam* pIccParam, Icc_CLASS ic, CFX_BinaryBuf* pTransformKey) -{ - CFX_IccProfileCache* pCache = NULL; - CFX_ByteStringKey key; - CFX_ByteString text; - key << pIccParam->ColorSpace << (pIccParam->dwProfileType | ic << 8); - uint8_t ID[16]; +void* CCodec_IccModule::CreateProfile(ICodec_IccModule::IccParam* pIccParam, + Icc_CLASS ic, + CFX_BinaryBuf* pTransformKey) { + CFX_IccProfileCache* pCache = NULL; + CFX_ByteStringKey key; + CFX_ByteString text; + key << pIccParam->ColorSpace << (pIccParam->dwProfileType | ic << 8); + uint8_t ID[16]; + switch (pIccParam->dwProfileType) { + case Icc_PARAMTYPE_NONE: + return NULL; + case Icc_PARAMTYPE_BUFFER: + MD5ComputeID(pIccParam->pProfileData, pIccParam->dwProfileSize, ID); + break; + case Icc_PARAMTYPE_PARAM: + FXSYS_memset(ID, 0, 16); + switch (pIccParam->ColorSpace) { + case IccCS_Gray: + text.Format("%lf", pIccParam->Gamma); + break; + default:; + } + MD5ComputeID(text.GetBuffer(0), text.GetLength(), ID); + break; + default:; + } + key.AppendBlock(ID, 16); + CFX_ByteString ProfileKey(key.GetBuffer(), key.GetSize()); + ASSERT(pTransformKey); + pTransformKey->AppendBlock(ProfileKey.GetBuffer(0), ProfileKey.GetLength()); + if (!m_MapProfile.Lookup(ProfileKey, (void*&)pCache)) { + pCache = new CFX_IccProfileCache; switch (pIccParam->dwProfileType) { - case Icc_PARAMTYPE_NONE: - return NULL; - case Icc_PARAMTYPE_BUFFER: - MD5ComputeID(pIccParam->pProfileData, pIccParam->dwProfileSize, ID); + case Icc_PARAMTYPE_BUFFER: + pCache->m_pProfile = cmsOpenProfileFromMem(pIccParam->pProfileData, + pIccParam->dwProfileSize); + break; + case Icc_PARAMTYPE_PARAM: + switch (pIccParam->ColorSpace) { + case IccCS_Rgb: + pCache->m_pProfile = cmsCreate_sRGBProfile(); break; - case Icc_PARAMTYPE_PARAM: - FXSYS_memset(ID, 0, 16); - switch (pIccParam->ColorSpace) { - case IccCS_Gray: - text.Format("%lf", pIccParam->Gamma); - break; - default: - ; - } - MD5ComputeID(text.GetBuffer(0), text.GetLength(), ID); + case IccCS_Gray: + pCache->m_pProfile = CreateProfile_Gray(pIccParam->Gamma); + break; + default: break; - default: - ; - } - key.AppendBlock(ID, 16); - CFX_ByteString ProfileKey(key.GetBuffer(), key.GetSize()); - ASSERT(pTransformKey); - pTransformKey->AppendBlock(ProfileKey.GetBuffer(0), ProfileKey.GetLength()); - if (!m_MapProfile.Lookup(ProfileKey, (void*&)pCache)) { - pCache = new CFX_IccProfileCache; - switch (pIccParam->dwProfileType) { - case Icc_PARAMTYPE_BUFFER: - pCache->m_pProfile = cmsOpenProfileFromMem(pIccParam->pProfileData, pIccParam->dwProfileSize); - break; - case Icc_PARAMTYPE_PARAM: - switch (pIccParam->ColorSpace) { - case IccCS_Rgb: - pCache->m_pProfile = cmsCreate_sRGBProfile(); - break; - case IccCS_Gray: - pCache->m_pProfile = CreateProfile_Gray(pIccParam->Gamma); - break; - default: - break; - } - break; - default: - break; } - m_MapProfile.SetAt(ProfileKey, pCache); - } else { - pCache->m_dwRate++; + break; + default: + break; } - return pCache->m_pProfile; + m_MapProfile.SetAt(ProfileKey, pCache); + } else { + pCache->m_dwRate++; + } + return pCache->m_pProfile; } -void* CCodec_IccModule::CreateTransform(ICodec_IccModule::IccParam* pInputParam, - ICodec_IccModule::IccParam* pOutputParam, - ICodec_IccModule::IccParam* pProofParam, - FX_DWORD dwIntent, FX_DWORD dwFlag, FX_DWORD dwPrfIntent, FX_DWORD dwPrfFlag) -{ - CLcmsCmm* pCmm = NULL; - ASSERT(pInputParam && pOutputParam); - CFX_ByteStringKey key; - void* pInputProfile = CreateProfile(pInputParam, Icc_CLASS_INPUT, &key); - if (pInputProfile == NULL) { - return NULL; - } - void* pOutputProfile = CreateProfile(pOutputParam, Icc_CLASS_OUTPUT, &key); - if (pOutputProfile == NULL) { - return NULL; - } - FX_DWORD dwInputProfileType = TransferProfileType(pInputProfile, pInputParam->dwFormat); - FX_DWORD dwOutputProfileType = TransferProfileType(pOutputProfile, pOutputParam->dwFormat); - if (dwInputProfileType == 0 || dwOutputProfileType == 0) { - return NULL; - } - void* pProofProfile = NULL; - if (pProofParam) { - pProofProfile = CreateProfile(pProofParam, Icc_CLASS_PROOF, &key); - } - key << dwInputProfileType << dwOutputProfileType << dwIntent << dwFlag << (pProofProfile != NULL) << dwPrfIntent << dwPrfFlag; - CFX_ByteStringC TransformKey(key.GetBuffer(), key.GetSize()); - CFX_IccTransformCache* pTransformCache; - if (!m_MapTranform.Lookup(TransformKey, (void*&)pTransformCache)) { - pCmm = FX_Alloc(CLcmsCmm, 1); - pCmm->m_nSrcComponents = T_CHANNELS(dwInputProfileType); - pCmm->m_nDstComponents = T_CHANNELS(dwOutputProfileType); - pCmm->m_bLab = T_COLORSPACE(pInputParam->dwFormat) == PT_Lab; - pTransformCache = new CFX_IccTransformCache(pCmm); - if (pProofProfile) { - pTransformCache->m_pIccTransform = cmsCreateProofingTransform(pInputProfile, dwInputProfileType, pOutputProfile, dwOutputProfileType, - pProofProfile, dwIntent, dwPrfIntent, dwPrfFlag); - } else { - pTransformCache->m_pIccTransform = cmsCreateTransform(pInputProfile, dwInputProfileType, pOutputProfile, dwOutputProfileType, - dwIntent, dwFlag); - } - pCmm->m_hTransform = pTransformCache->m_pIccTransform; - m_MapTranform.SetAt(TransformKey, pTransformCache); +void* CCodec_IccModule::CreateTransform( + ICodec_IccModule::IccParam* pInputParam, + ICodec_IccModule::IccParam* pOutputParam, + ICodec_IccModule::IccParam* pProofParam, + FX_DWORD dwIntent, + FX_DWORD dwFlag, + FX_DWORD dwPrfIntent, + FX_DWORD dwPrfFlag) { + CLcmsCmm* pCmm = NULL; + ASSERT(pInputParam && pOutputParam); + CFX_ByteStringKey key; + void* pInputProfile = CreateProfile(pInputParam, Icc_CLASS_INPUT, &key); + if (pInputProfile == NULL) { + return NULL; + } + void* pOutputProfile = CreateProfile(pOutputParam, Icc_CLASS_OUTPUT, &key); + if (pOutputProfile == NULL) { + return NULL; + } + FX_DWORD dwInputProfileType = + TransferProfileType(pInputProfile, pInputParam->dwFormat); + FX_DWORD dwOutputProfileType = + TransferProfileType(pOutputProfile, pOutputParam->dwFormat); + if (dwInputProfileType == 0 || dwOutputProfileType == 0) { + return NULL; + } + void* pProofProfile = NULL; + if (pProofParam) { + pProofProfile = CreateProfile(pProofParam, Icc_CLASS_PROOF, &key); + } + key << dwInputProfileType << dwOutputProfileType << dwIntent << dwFlag + << (pProofProfile != NULL) << dwPrfIntent << dwPrfFlag; + CFX_ByteStringC TransformKey(key.GetBuffer(), key.GetSize()); + CFX_IccTransformCache* pTransformCache; + if (!m_MapTranform.Lookup(TransformKey, (void*&)pTransformCache)) { + pCmm = FX_Alloc(CLcmsCmm, 1); + pCmm->m_nSrcComponents = T_CHANNELS(dwInputProfileType); + pCmm->m_nDstComponents = T_CHANNELS(dwOutputProfileType); + pCmm->m_bLab = T_COLORSPACE(pInputParam->dwFormat) == PT_Lab; + pTransformCache = new CFX_IccTransformCache(pCmm); + if (pProofProfile) { + pTransformCache->m_pIccTransform = cmsCreateProofingTransform( + pInputProfile, dwInputProfileType, pOutputProfile, + dwOutputProfileType, pProofProfile, dwIntent, dwPrfIntent, dwPrfFlag); } else { - pTransformCache->m_dwRate++; + pTransformCache->m_pIccTransform = + cmsCreateTransform(pInputProfile, dwInputProfileType, pOutputProfile, + dwOutputProfileType, dwIntent, dwFlag); } - return pTransformCache->m_pCmm; + pCmm->m_hTransform = pTransformCache->m_pIccTransform; + m_MapTranform.SetAt(TransformKey, pTransformCache); + } else { + pTransformCache->m_dwRate++; + } + return pTransformCache->m_pCmm; } -CCodec_IccModule::~CCodec_IccModule() -{ - FX_POSITION pos = m_MapProfile.GetStartPosition(); - CFX_ByteString key; - CFX_IccProfileCache* pProfileCache; - while (pos) { - m_MapProfile.GetNextAssoc(pos, key, (void*&)pProfileCache); - delete pProfileCache; - } - pos = m_MapTranform.GetStartPosition(); - CFX_IccTransformCache* pTransformCache; - while (pos) { - m_MapTranform.GetNextAssoc(pos, key, (void*&)pTransformCache); - delete pTransformCache; - } +CCodec_IccModule::~CCodec_IccModule() { + FX_POSITION pos = m_MapProfile.GetStartPosition(); + CFX_ByteString key; + CFX_IccProfileCache* pProfileCache; + while (pos) { + m_MapProfile.GetNextAssoc(pos, key, (void*&)pProfileCache); + delete pProfileCache; + } + pos = m_MapTranform.GetStartPosition(); + CFX_IccTransformCache* pTransformCache; + while (pos) { + m_MapTranform.GetNextAssoc(pos, key, (void*&)pTransformCache); + delete pTransformCache; + } } -void* CCodec_IccModule::CreateTransform_sRGB(const uint8_t* pProfileData, FX_DWORD dwProfileSize, int32_t& nComponents, int32_t intent, FX_DWORD dwSrcFormat) -{ - return IccLib_CreateTransform_sRGB(pProfileData, dwProfileSize, nComponents, intent, dwSrcFormat); +void* CCodec_IccModule::CreateTransform_sRGB(const uint8_t* pProfileData, + FX_DWORD dwProfileSize, + int32_t& nComponents, + int32_t intent, + FX_DWORD dwSrcFormat) { + return IccLib_CreateTransform_sRGB(pProfileData, dwProfileSize, nComponents, + intent, dwSrcFormat); } -void* CCodec_IccModule::CreateTransform_CMYK(const uint8_t* pSrcProfileData, FX_DWORD dwSrcProfileSize, int32_t& nSrcComponents, - const uint8_t* pDstProfileData, FX_DWORD dwDstProfileSize, int32_t intent, - FX_DWORD dwSrcFormat , FX_DWORD dwDstFormat) -{ - return IccLib_CreateTransform(pSrcProfileData, dwSrcProfileSize, nSrcComponents, - pDstProfileData, dwDstProfileSize, 4, intent, dwSrcFormat, dwDstFormat); +void* CCodec_IccModule::CreateTransform_CMYK(const uint8_t* pSrcProfileData, + FX_DWORD dwSrcProfileSize, + int32_t& nSrcComponents, + const uint8_t* pDstProfileData, + FX_DWORD dwDstProfileSize, + int32_t intent, + FX_DWORD dwSrcFormat, + FX_DWORD dwDstFormat) { + return IccLib_CreateTransform( + pSrcProfileData, dwSrcProfileSize, nSrcComponents, pDstProfileData, + dwDstProfileSize, 4, intent, dwSrcFormat, dwDstFormat); } -void CCodec_IccModule::DestroyTransform(void* pTransform) -{ - IccLib_DestroyTransform(pTransform); +void CCodec_IccModule::DestroyTransform(void* pTransform) { + IccLib_DestroyTransform(pTransform); } -void CCodec_IccModule::Translate(void* pTransform, FX_FLOAT* pSrcValues, FX_FLOAT* pDestValues) -{ - IccLib_Translate(pTransform, m_nComponents, pSrcValues, pDestValues); +void CCodec_IccModule::Translate(void* pTransform, + FX_FLOAT* pSrcValues, + FX_FLOAT* pDestValues) { + IccLib_Translate(pTransform, m_nComponents, pSrcValues, pDestValues); } -void CCodec_IccModule::TranslateScanline(void* pTransform, uint8_t* pDest, const uint8_t* pSrc, int32_t pixels) -{ - IccLib_TranslateImage(pTransform, pDest, pSrc, pixels); +void CCodec_IccModule::TranslateScanline(void* pTransform, + uint8_t* pDest, + const uint8_t* pSrc, + int32_t pixels) { + IccLib_TranslateImage(pTransform, pDest, pSrc, pixels); } const uint8_t g_CMYKSamples[81 * 81 * 3] = { - 255, 255, 255, 225, 226, 228, 199, 200, 202, 173, 174, 178, 147, 149, 152, 123, 125, 128, 99, 99, 102, 69, 70, 71, 34, 30, 31, - 255, 253, 229, 226, 224, 203, 200, 199, 182, 173, 173, 158, 149, 148, 135, 125, 124, 113, 99, 99, 90, 70, 69, 63, 33, 29, 24, - 255, 251, 204, 228, 223, 182, 201, 198, 163, 174, 172, 142, 150, 147, 122, 125, 123, 101, 99, 98, 80, 70, 68, 54, 32, 28, 16, - 255, 249, 179, 230, 222, 160, 203, 197, 144, 174, 170, 124, 150, 145, 105, 125, 122, 88, 99, 97, 69, 70, 68, 46, 31, 28, 6, - 255, 247, 154, 229, 220, 138, 203, 195, 122, 176, 169, 107, 150, 145, 91, 125, 121, 74, 100, 96, 57, 70, 67, 35, 29, 26, 0, - 255, 246, 128, 231, 217, 114, 205, 194, 101, 176, 167, 88, 150, 144, 75, 125, 120, 60, 100, 96, 44, 70, 66, 24, 28, 26, 0, - 255, 244, 96, 231, 217, 87, 203, 192, 78, 175, 167, 66, 150, 143, 56, 125, 119, 43, 100, 95, 29, 69, 66, 7, 26, 26, 0, - 255, 243, 51, 232, 215, 51, 204, 191, 43, 176, 165, 38, 150, 142, 28, 125, 118, 17, 99, 94, 0, 68, 65, 0, 24, 25, 0, - 255, 241, 0, 231, 215, 0, 203, 190, 0, 176, 164, 0, 150, 141, 0, 126, 117, 0, 99, 93, 0, 68, 65, 0, 24, 25, 0, - 252, 228, 238, 222, 201, 211, 197, 180, 190, 171, 156, 166, 147, 133, 143, 123, 111, 119, 99, 88, 94, 71, 61, 66, 34, 22, 26, - 254, 226, 213, 224, 201, 191, 199, 179, 171, 172, 155, 148, 147, 133, 128, 123, 110, 106, 98, 87, 83, 70, 59, 57, 33, 21, 18, - 254, 224, 191, 224, 199, 172, 200, 177, 153, 173, 154, 133, 147, 132, 115, 123, 109, 94, 98, 86, 74, 70, 59, 49, 32, 21, 9, - 255, 222, 168, 227, 198, 150, 200, 175, 135, 173, 153, 118, 148, 130, 99, 123, 109, 82, 98, 86, 64, 69, 58, 40, 31, 19, 0, - 255, 221, 145, 227, 196, 129, 201, 174, 115, 173, 151, 99, 148, 129, 85, 124, 108, 69, 98, 85, 52, 69, 58, 30, 30, 19, 0, - 255, 219, 121, 227, 195, 109, 201, 174, 97, 174, 150, 83, 148, 129, 70, 124, 107, 55, 98, 84, 40, 69, 58, 19, 28, 18, 0, - 255, 218, 92, 229, 194, 82, 202, 173, 75, 174, 150, 63, 149, 128, 51, 124, 106, 39, 98, 84, 24, 68, 57, 3, 26, 18, 0, - 255, 217, 54, 228, 193, 52, 201, 172, 46, 174, 148, 36, 148, 127, 27, 123, 105, 14, 98, 83, 0, 68, 56, 0, 25, 18, 0, - 255, 216, 0, 229, 192, 2, 202, 171, 4, 173, 148, 0, 148, 126, 0, 124, 105, 0, 98, 83, 0, 68, 56, 0, 24, 17, 0, - 249, 204, 223, 219, 181, 199, 195, 160, 178, 170, 140, 156, 146, 119, 134, 123, 99, 112, 98, 77, 88, 70, 52, 61, 34, 11, 20, - 250, 201, 200, 221, 180, 178, 197, 159, 161, 171, 139, 139, 147, 119, 120, 123, 98, 99, 98, 77, 78, 69, 51, 52, 34, 11, 10, - 252, 201, 180, 223, 179, 162, 197, 159, 144, 170, 138, 125, 146, 117, 107, 122, 97, 89, 98, 76, 69, 69, 50, 44, 32, 11, 2, - 252, 199, 158, 222, 177, 143, 199, 158, 127, 171, 137, 110, 147, 117, 93, 122, 96, 76, 97, 75, 58, 69, 50, 36, 32, 10, 0, - 253, 198, 137, 223, 177, 123, 198, 156, 110, 171, 136, 95, 146, 116, 80, 122, 96, 65, 97, 75, 47, 69, 50, 25, 30, 10, 0, - 254, 197, 115, 225, 175, 104, 198, 156, 92, 172, 135, 79, 147, 115, 66, 123, 95, 52, 98, 74, 37, 69, 49, 15, 29, 10, 0, - 254, 196, 89, 224, 175, 80, 199, 154, 70, 172, 134, 59, 146, 114, 48, 122, 95, 36, 97, 74, 21, 68, 49, 0, 27, 9, 0, - 255, 195, 57, 225, 173, 52, 198, 154, 44, 172, 133, 36, 147, 113, 26, 123, 94, 14, 98, 74, 0, 68, 49, 0, 26, 10, 0, - 254, 194, 15, 225, 172, 12, 198, 153, 7, 172, 132, 3, 146, 113, 0, 123, 93, 0, 98, 73, 0, 68, 49, 0, 26, 9, 0, - 246, 178, 209, 218, 159, 186, 194, 140, 166, 168, 122, 145, 144, 104, 125, 121, 85, 103, 97, 65, 81, 69, 41, 55, 34, 0, 12, - 248, 176, 186, 219, 157, 166, 195, 139, 149, 168, 121, 130, 144, 103, 111, 121, 85, 91, 97, 65, 71, 69, 41, 46, 34, 0, 4, - 249, 175, 168, 220, 156, 150, 196, 139, 135, 169, 121, 116, 144, 103, 100, 122, 84, 83, 98, 65, 63, 70, 41, 39, 33, 0, 0, - 249, 175, 148, 220, 155, 133, 196, 138, 119, 169, 120, 103, 145, 101, 87, 121, 83, 71, 97, 65, 54, 69, 41, 31, 32, 0, 0, - 249, 173, 128, 222, 154, 115, 195, 137, 102, 170, 119, 88, 145, 101, 74, 122, 83, 59, 97, 64, 43, 68, 40, 20, 30, 0, 0, - 250, 172, 108, 221, 154, 98, 195, 136, 86, 170, 118, 73, 145, 100, 61, 122, 82, 48, 97, 63, 32, 69, 40, 11, 28, 0, 0, - 250, 171, 85, 221, 153, 76, 196, 136, 67, 170, 117, 56, 145, 99, 44, 121, 82, 33, 97, 63, 17, 68, 40, 0, 28, 0, 0, - 251, 171, 58, 222, 152, 50, 197, 135, 43, 169, 117, 34, 146, 99, 25, 121, 81, 10, 96, 63, 0, 68, 40, 0, 27, 0, 0, - 250, 170, 26, 222, 151, 19, 196, 134, 13, 169, 116, 4, 145, 99, 0, 122, 81, 0, 97, 63, 0, 67, 40, 0, 26, 0, 0, - 244, 153, 194, 215, 136, 173, 192, 121, 155, 167, 104, 135, 143, 89, 115, 121, 72, 96, 97, 54, 75, 70, 31, 49, 34, 0, 6, - 245, 153, 173, 216, 136, 155, 192, 120, 138, 167, 104, 121, 144, 88, 103, 121, 71, 85, 97, 54, 66, 69, 31, 42, 34, 0, 0, - 246, 152, 157, 217, 135, 140, 193, 120, 126, 167, 103, 109, 143, 88, 92, 121, 72, 76, 97, 54, 58, 69, 31, 35, 33, 0, 0, - 245, 150, 139, 218, 134, 125, 193, 119, 111, 167, 103, 96, 144, 87, 80, 121, 71, 66, 96, 53, 49, 68, 31, 26, 32, 0, 0, - 246, 151, 122, 218, 133, 108, 194, 118, 96, 168, 102, 81, 144, 86, 69, 120, 71, 55, 95, 53, 39, 68, 30, 17, 31, 0, 0, - 248, 150, 103, 218, 133, 91, 193, 118, 81, 168, 102, 69, 143, 86, 56, 120, 70, 43, 96, 53, 28, 68, 31, 6, 29, 0, 0, - 247, 149, 81, 218, 132, 72, 194, 117, 62, 168, 101, 52, 144, 86, 42, 121, 70, 29, 96, 52, 13, 68, 30, 0, 28, 0, 0, - 247, 148, 55, 219, 131, 50, 194, 117, 43, 167, 101, 32, 144, 85, 22, 120, 69, 8, 96, 52, 0, 67, 30, 0, 27, 0, 0, - 247, 147, 29, 218, 131, 24, 194, 116, 20, 168, 100, 11, 144, 85, 0, 120, 69, 0, 96, 52, 0, 67, 30, 0, 26, 0, 0, - 242, 130, 179, 214, 114, 160, 190, 101, 143, 166, 87, 125, 143, 72, 107, 120, 58, 88, 96, 42, 68, 69, 17, 44, 35, 0, 0, - 243, 129, 161, 215, 114, 143, 191, 101, 128, 166, 87, 113, 143, 73, 96, 120, 58, 79, 96, 41, 60, 69, 18, 37, 33, 0, 0, - 243, 129, 146, 216, 114, 130, 192, 101, 117, 166, 87, 101, 143, 72, 86, 121, 58, 69, 96, 42, 52, 69, 18, 29, 31, 0, 0, - 243, 128, 130, 216, 114, 115, 191, 101, 102, 165, 86, 88, 142, 72, 75, 120, 58, 60, 95, 42, 43, 68, 19, 21, 30, 0, 0, - 244, 127, 112, 217, 113, 101, 192, 99, 89, 166, 85, 75, 142, 72, 63, 119, 57, 50, 96, 41, 35, 68, 19, 13, 30, 0, 0, - 244, 127, 96, 216, 112, 86, 191, 99, 75, 166, 86, 64, 143, 72, 52, 120, 57, 40, 95, 41, 24, 67, 20, 1, 29, 0, 0, - 245, 126, 77, 216, 113, 68, 191, 100, 59, 166, 85, 49, 142, 71, 38, 119, 57, 26, 95, 41, 10, 67, 20, 0, 28, 0, 0, - 244, 126, 55, 216, 112, 48, 191, 99, 40, 166, 85, 31, 143, 71, 20, 119, 57, 6, 95, 42, 0, 67, 20, 0, 28, 0, 0, - 245, 126, 33, 217, 112, 26, 192, 99, 22, 166, 84, 11, 142, 70, 0, 119, 57, 0, 95, 41, 0, 66, 20, 0, 27, 0, 0, - 241, 102, 167, 213, 90, 149, 189, 79, 133, 165, 66, 115, 141, 54, 98, 119, 41, 81, 96, 25, 63, 69, 0, 38, 30, 0, 0, - 241, 102, 149, 213, 90, 133, 189, 79, 119, 165, 66, 103, 142, 55, 88, 119, 41, 71, 96, 25, 53, 69, 0, 31, 28, 0, 0, - 241, 102, 135, 214, 90, 121, 190, 79, 108, 165, 66, 92, 141, 55, 78, 119, 42, 63, 96, 26, 46, 69, 0, 24, 28, 0, 0, - 241, 101, 120, 214, 90, 107, 189, 79, 95, 165, 67, 83, 141, 54, 68, 118, 41, 54, 95, 27, 39, 68, 0, 16, 27, 0, 0, - 241, 102, 106, 213, 90, 93, 189, 78, 82, 164, 67, 70, 141, 55, 58, 118, 42, 45, 94, 27, 29, 67, 2, 6, 27, 0, 0, - 242, 101, 90, 214, 89, 79, 190, 79, 69, 166, 67, 59, 141, 55, 47, 118, 41, 35, 95, 27, 19, 67, 3, 0, 26, 0, 0, - 242, 102, 72, 213, 89, 63, 191, 79, 56, 164, 67, 45, 141, 55, 34, 118, 42, 22, 94, 28, 6, 67, 3, 0, 26, 0, 0, - 242, 100, 51, 214, 89, 45, 190, 78, 38, 164, 67, 30, 141, 55, 18, 118, 42, 3, 95, 28, 0, 66, 4, 0, 26, 0, 0, - 243, 100, 33, 214, 90, 27, 190, 78, 22, 165, 67, 13, 141, 55, 0, 118, 43, 0, 94, 29, 0, 66, 5, 0, 26, 0, 0, - 237, 69, 153, 211, 58, 135, 187, 51, 121, 163, 41, 105, 141, 28, 90, 118, 15, 73, 96, 0, 56, 68, 0, 33, 25, 0, 0, - 239, 67, 137, 212, 60, 123, 189, 50, 110, 163, 41, 94, 141, 29, 79, 118, 17, 65, 95, 0, 48, 69, 0, 26, 25, 0, 0, - 240, 69, 124, 211, 60, 111, 188, 50, 98, 163, 42, 85, 141, 31, 72, 118, 18, 57, 94, 0, 41, 68, 0, 19, 25, 0, 0, - 240, 70, 112, 212, 61, 99, 188, 52, 87, 163, 41, 74, 140, 31, 62, 118, 20, 48, 94, 2, 32, 68, 0, 11, 24, 0, 0, - 239, 70, 98, 212, 62, 86, 188, 53, 77, 164, 42, 64, 140, 32, 52, 118, 20, 40, 94, 3, 24, 67, 0, 3, 23, 0, 0, - 239, 71, 85, 212, 61, 74, 187, 53, 65, 163, 44, 54, 140, 34, 43, 118, 22, 30, 95, 3, 14, 67, 0, 0, 23, 0, 0, - 239, 70, 67, 212, 62, 59, 188, 53, 51, 163, 45, 42, 141, 34, 31, 117, 22, 17, 94, 5, 2, 66, 0, 0, 23, 0, 0, - 239, 71, 50, 213, 62, 43, 188, 54, 37, 164, 45, 28, 139, 34, 16, 117, 22, 2, 94, 7, 0, 65, 0, 0, 23, 0, 0, - 240, 71, 34, 212, 63, 29, 189, 54, 24, 163, 46, 15, 139, 36, 2, 117, 25, 0, 94, 8, 0, 66, 0, 0, 23, 0, 0, - 237, 0, 140, 209, 0, 124, 186, 0, 112, 162, 0, 97, 141, 0, 82, 118, 0, 67, 95, 0, 49, 68, 0, 27, 20, 0, 0, - 237, 0, 126, 210, 0, 113, 187, 0, 99, 163, 0, 86, 139, 0, 72, 118, 0, 58, 95, 0, 42, 67, 0, 20, 20, 0, 0, - 237, 1, 114, 209, 1, 102, 187, 0, 90, 163, 0, 78, 139, 0, 64, 118, 0, 50, 95, 0, 35, 67, 0, 13, 20, 0, 0, - 236, 16, 102, 209, 7, 91, 186, 0, 80, 162, 0, 68, 139, 0, 56, 117, 0, 43, 94, 0, 27, 67, 0, 6, 20, 0, 0, - 238, 15, 89, 209, 13, 79, 186, 6, 69, 162, 0, 58, 139, 0, 47, 117, 0, 34, 93, 0, 20, 66, 0, 2, 20, 0, 0, - 237, 20, 78, 210, 12, 68, 187, 4, 59, 163, 0, 49, 139, 0, 38, 116, 0, 26, 94, 0, 11, 66, 0, 0, 20, 0, 0, - 237, 25, 64, 210, 18, 56, 186, 11, 48, 162, 4, 39, 138, 0, 27, 117, 0, 14, 93, 0, 0, 66, 0, 0, 20, 0, 0, - 238, 25, 48, 210, 22, 43, 186, 15, 35, 162, 8, 26, 140, 0, 14, 117, 0, 0, 93, 0, 0, 65, 0, 0, 20, 0, 0, - 238, 28, 35, 210, 21, 30, 187, 15, 24, 162, 8, 16, 139, 1, 2, 117, 0, 0, 93, 0, 0, 65, 0, 0, 22, 0, 0, - 219, 242, 252, 195, 214, 225, 172, 191, 201, 148, 165, 175, 127, 142, 150, 106, 119, 126, 84, 95, 101, 58, 66, 72, 24, 27, 32, - 222, 239, 226, 196, 213, 202, 173, 189, 180, 150, 165, 158, 129, 141, 135, 107, 118, 113, 85, 94, 90, 58, 66, 63, 21, 26, 24, - 223, 237, 203, 198, 211, 182, 175, 188, 163, 152, 164, 141, 129, 140, 121, 107, 117, 101, 85, 93, 80, 58, 64, 54, 21, 26, 18, - 226, 236, 179, 201, 210, 160, 177, 187, 143, 153, 162, 125, 130, 139, 106, 108, 116, 89, 85, 92, 69, 58, 64, 45, 20, 25, 8, - 227, 234, 153, 201, 208, 139, 178, 185, 124, 154, 161, 107, 131, 138, 91, 108, 115, 75, 85, 91, 58, 58, 63, 35, 17, 25, 0, - 229, 233, 130, 203, 207, 116, 178, 184, 104, 154, 160, 90, 131, 137, 76, 109, 114, 62, 85, 90, 46, 58, 63, 25, 16, 24, 0, - 230, 231, 100, 202, 205, 90, 179, 183, 80, 154, 159, 69, 131, 136, 57, 109, 113, 46, 86, 90, 32, 58, 63, 10, 14, 24, 0, - 230, 230, 65, 204, 204, 58, 180, 182, 52, 155, 157, 44, 132, 135, 35, 110, 113, 24, 86, 89, 9, 57, 62, 0, 11, 24, 0, - 232, 230, 19, 204, 204, 19, 180, 181, 17, 155, 157, 10, 131, 134, 2, 109, 112, 0, 85, 89, 0, 57, 62, 0, 10, 23, 0, - 218, 216, 236, 194, 192, 211, 172, 171, 188, 149, 149, 164, 128, 127, 141, 106, 106, 119, 84, 84, 94, 59, 57, 66, 25, 18, 26, - 221, 214, 211, 196, 191, 190, 174, 170, 170, 150, 148, 148, 128, 126, 127, 107, 105, 106, 85, 83, 84, 59, 56, 58, 23, 17, 18, - 222, 213, 190, 197, 189, 170, 175, 169, 153, 151, 147, 133, 129, 126, 113, 108, 105, 94, 85, 82, 74, 59, 56, 49, 22, 17, 11, - 224, 211, 168, 199, 188, 151, 175, 168, 135, 152, 146, 117, 129, 124, 99, 107, 103, 82, 84, 82, 64, 59, 55, 41, 21, 17, 1, - 224, 210, 145, 199, 187, 130, 176, 166, 117, 152, 145, 101, 129, 123, 86, 107, 103, 70, 85, 81, 53, 58, 55, 31, 19, 17, 0, - 227, 208, 123, 200, 186, 110, 177, 165, 98, 153, 143, 84, 130, 122, 70, 108, 102, 57, 85, 80, 41, 58, 54, 20, 18, 16, 0, - 227, 208, 97, 202, 185, 86, 177, 164, 77, 153, 142, 65, 130, 122, 54, 108, 101, 42, 85, 80, 27, 58, 54, 7, 16, 16, 0, - 228, 206, 66, 202, 184, 58, 178, 163, 50, 154, 141, 42, 131, 121, 33, 109, 101, 21, 86, 79, 5, 58, 54, 0, 13, 16, 0, - 228, 206, 29, 202, 183, 25, 178, 163, 20, 154, 141, 15, 131, 121, 5, 108, 100, 0, 85, 79, 0, 58, 53, 0, 13, 16, 0, - 217, 193, 221, 193, 172, 198, 172, 153, 178, 149, 133, 154, 128, 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m, uint8_t y, uint8_t k, uint8_t& R, uint8_t& G, uint8_t& B) -{ - int fix_c = c << 8; - int fix_m = m << 8; - int fix_y = y << 8; - int fix_k = k << 8; - int c_index = (fix_c + 4096) >> 13; - int m_index = (fix_m + 4096) >> 13; - int y_index = (fix_y + 4096) >> 13; - int k_index = (fix_k + 4096) >> 13; - int pos = (c_index * 9 * 9 * 9 + m_index * 9 * 9 + y_index * 9 + k_index) * 3; - int fix_r = g_CMYKSamples[pos] << 8; - int fix_g = g_CMYKSamples[pos + 1] << 8; - int fix_b = g_CMYKSamples[pos + 2] << 8; - int c1_index = fix_c >> 13; - if (c1_index == c_index) { - c1_index = c1_index == 8 ? c1_index - 1 : c1_index + 1; - } - int m1_index = fix_m >> 13; - if (m1_index == m_index) { - m1_index = m1_index == 8 ? m1_index - 1 : m1_index + 1; - } - int y1_index = fix_y >> 13; - if (y1_index == y_index) { - y1_index = y1_index == 8 ? y1_index - 1 : y1_index + 1; - } - int k1_index = fix_k >> 13; - if (k1_index == k_index) { - k1_index = k1_index == 8 ? k1_index - 1 : k1_index + 1; - } - int c1_pos = pos + (c1_index - c_index) * 9 * 9 * 9 * 3; - int m1_pos = pos + (m1_index - m_index) * 9 * 9 * 3; - int y1_pos = pos + (y1_index - y_index) * 9 * 3; - int k1_pos = pos + (k1_index - k_index) * 3; - int c_r_delta = g_CMYKSamples[pos] - g_CMYKSamples[c1_pos]; - int c_g_delta = g_CMYKSamples[pos + 1] - g_CMYKSamples[c1_pos + 1]; - int c_b_delta = g_CMYKSamples[pos + 2] - g_CMYKSamples[c1_pos + 2]; - int m_r_delta = g_CMYKSamples[pos] - g_CMYKSamples[m1_pos]; - int m_g_delta = g_CMYKSamples[pos + 1] - g_CMYKSamples[m1_pos + 1]; - int m_b_delta = g_CMYKSamples[pos + 2] - g_CMYKSamples[m1_pos + 2]; - int y_r_delta = g_CMYKSamples[pos] - g_CMYKSamples[y1_pos]; - int y_g_delta = g_CMYKSamples[pos + 1] - g_CMYKSamples[y1_pos + 1]; - int y_b_delta = g_CMYKSamples[pos + 2] - g_CMYKSamples[y1_pos + 2]; - int k_r_delta = g_CMYKSamples[pos] - g_CMYKSamples[k1_pos]; - int k_g_delta = g_CMYKSamples[pos + 1] - g_CMYKSamples[k1_pos + 1]; - int k_b_delta = g_CMYKSamples[pos + 2] - g_CMYKSamples[k1_pos + 2]; - int c_rate = (fix_c - (c_index << 13)) * (c_index - c1_index); - fix_r += c_r_delta * c_rate / 32; - fix_g += c_g_delta * c_rate / 32; - fix_b += c_b_delta * c_rate / 32; - int m_rate = (fix_m - (m_index << 13)) * (m_index - m1_index); - fix_r += m_r_delta * m_rate / 32; - fix_g += m_g_delta * m_rate / 32; - fix_b += m_b_delta * m_rate / 32; - int y_rate = (fix_y - (y_index << 13)) * (y_index - y1_index); - fix_r += y_r_delta * y_rate / 32; - fix_g += y_g_delta * y_rate / 32; - fix_b += y_b_delta * y_rate / 32; - int k_rate = (fix_k - (k_index << 13)) * (k_index - k1_index); - fix_r += k_r_delta * k_rate / 32; - fix_g += k_g_delta * k_rate / 32; - fix_b += k_b_delta * k_rate / 32; - if (fix_r < 0) { - fix_r = 0; - } - if (fix_g < 0) { - fix_g = 0; - } - if (fix_b < 0) { - fix_b = 0; - } - R = fix_r >> 8; - G = fix_g >> 8; - B = fix_b >> 8; +void AdobeCMYK_to_sRGB1(uint8_t c, + uint8_t m, + uint8_t y, + uint8_t k, + uint8_t& R, + uint8_t& G, + uint8_t& B) { + int fix_c = c << 8; + int fix_m = m << 8; + int fix_y = y << 8; + int fix_k = k << 8; + int c_index = (fix_c + 4096) >> 13; + int m_index = (fix_m + 4096) >> 13; + int y_index = (fix_y + 4096) >> 13; + int k_index = (fix_k + 4096) >> 13; + int pos = (c_index * 9 * 9 * 9 + m_index * 9 * 9 + y_index * 9 + k_index) * 3; + int fix_r = g_CMYKSamples[pos] << 8; + int fix_g = g_CMYKSamples[pos + 1] << 8; + int fix_b = g_CMYKSamples[pos + 2] << 8; + int c1_index = fix_c >> 13; + if (c1_index == c_index) { + c1_index = c1_index == 8 ? c1_index - 1 : c1_index + 1; + } + int m1_index = fix_m >> 13; + if (m1_index == m_index) { + m1_index = m1_index == 8 ? m1_index - 1 : m1_index + 1; + } + int y1_index = fix_y >> 13; + if (y1_index == y_index) { + y1_index = y1_index == 8 ? y1_index - 1 : y1_index + 1; + } + int k1_index = fix_k >> 13; + if (k1_index == k_index) { + k1_index = k1_index == 8 ? k1_index - 1 : k1_index + 1; + } + int c1_pos = pos + (c1_index - c_index) * 9 * 9 * 9 * 3; + int m1_pos = pos + (m1_index - m_index) * 9 * 9 * 3; + int y1_pos = pos + (y1_index - y_index) * 9 * 3; + int k1_pos = pos + (k1_index - k_index) * 3; + int c_r_delta = g_CMYKSamples[pos] - g_CMYKSamples[c1_pos]; + int c_g_delta = g_CMYKSamples[pos + 1] - g_CMYKSamples[c1_pos + 1]; + int c_b_delta = g_CMYKSamples[pos + 2] - g_CMYKSamples[c1_pos + 2]; + int m_r_delta = g_CMYKSamples[pos] - g_CMYKSamples[m1_pos]; + int m_g_delta = g_CMYKSamples[pos + 1] - g_CMYKSamples[m1_pos + 1]; + int m_b_delta = g_CMYKSamples[pos + 2] - g_CMYKSamples[m1_pos + 2]; + int y_r_delta = g_CMYKSamples[pos] - g_CMYKSamples[y1_pos]; + int y_g_delta = g_CMYKSamples[pos + 1] - g_CMYKSamples[y1_pos + 1]; + int y_b_delta = g_CMYKSamples[pos + 2] - g_CMYKSamples[y1_pos + 2]; + int k_r_delta = g_CMYKSamples[pos] - g_CMYKSamples[k1_pos]; + int k_g_delta = g_CMYKSamples[pos + 1] - g_CMYKSamples[k1_pos + 1]; + int k_b_delta = g_CMYKSamples[pos + 2] - g_CMYKSamples[k1_pos + 2]; + int c_rate = (fix_c - (c_index << 13)) * (c_index - c1_index); + fix_r += c_r_delta * c_rate / 32; + fix_g += c_g_delta * c_rate / 32; + fix_b += c_b_delta * c_rate / 32; + int m_rate = (fix_m - (m_index << 13)) * (m_index - m1_index); + fix_r += m_r_delta * m_rate / 32; + fix_g += m_g_delta * m_rate / 32; + fix_b += m_b_delta * m_rate / 32; + int y_rate = (fix_y - (y_index << 13)) * (y_index - y1_index); + fix_r += y_r_delta * y_rate / 32; + fix_g += y_g_delta * y_rate / 32; + fix_b += y_b_delta * y_rate / 32; + int k_rate = (fix_k - (k_index << 13)) * (k_index - k1_index); + fix_r += k_r_delta * k_rate / 32; + fix_g += k_g_delta * k_rate / 32; + fix_b += k_b_delta * k_rate / 32; + if (fix_r < 0) { + fix_r = 0; + } + if (fix_g < 0) { + fix_g = 0; + } + if (fix_b < 0) { + fix_b = 0; + } + R = fix_r >> 8; + G = fix_g >> 8; + B = fix_b >> 8; } -void AdobeCMYK_to_sRGB(FX_FLOAT c, FX_FLOAT m, FX_FLOAT y, FX_FLOAT k, FX_FLOAT& R, FX_FLOAT& G, FX_FLOAT& B) -{ - uint8_t c1 = FXSYS_round(c * 255); - uint8_t m1 = FXSYS_round(m * 255); - uint8_t y1 = FXSYS_round(y * 255); - uint8_t k1 = FXSYS_round(k * 255); - uint8_t r, g, b; - AdobeCMYK_to_sRGB1(c1, m1, y1, k1, r, g, b); - R = 1.0f * r / 255; - G = 1.0f * g / 255; - B = 1.0f * b / 255; +void AdobeCMYK_to_sRGB(FX_FLOAT c, + FX_FLOAT m, + FX_FLOAT y, + FX_FLOAT k, + FX_FLOAT& R, + FX_FLOAT& G, + FX_FLOAT& B) { + uint8_t c1 = FXSYS_round(c * 255); + uint8_t m1 = FXSYS_round(m * 255); + uint8_t y1 = FXSYS_round(y * 255); + uint8_t k1 = FXSYS_round(k * 255); + uint8_t r, g, b; + AdobeCMYK_to_sRGB1(c1, m1, y1, k1, r, g, b); + R = 1.0f * r / 255; + G = 1.0f * g / 255; + B = 1.0f * b / 255; } diff --git a/core/src/fxcodec/codec/fx_codec_jbig.cpp b/core/src/fxcodec/codec/fx_codec_jbig.cpp index 51184306eb..9d78bba3bb 100644 --- a/core/src/fxcodec/codec/fx_codec_jbig.cpp +++ b/core/src/fxcodec/codec/fx_codec_jbig.cpp @@ -7,200 +7,225 @@ #include "../../../include/fxcodec/fx_codec.h" #include "codec_int.h" -CCodec_Jbig2Context::CCodec_Jbig2Context() -{ - FXSYS_memset(this, 0, sizeof(CCodec_Jbig2Context)); +CCodec_Jbig2Context::CCodec_Jbig2Context() { + FXSYS_memset(this, 0, sizeof(CCodec_Jbig2Context)); } -CCodec_Jbig2Module::~CCodec_Jbig2Module() -{ +CCodec_Jbig2Module::~CCodec_Jbig2Module() {} +void* CCodec_Jbig2Module::CreateJbig2Context() { + return new CCodec_Jbig2Context(); } -void* CCodec_Jbig2Module::CreateJbig2Context() -{ - return new CCodec_Jbig2Context(); +void CCodec_Jbig2Module::DestroyJbig2Context(void* pJbig2Content) { + if (pJbig2Content) { + CJBig2_Context::DestroyContext( + ((CCodec_Jbig2Context*)pJbig2Content)->m_pContext); + delete (CCodec_Jbig2Context*)pJbig2Content; + } + pJbig2Content = NULL; } -void CCodec_Jbig2Module::DestroyJbig2Context(void* pJbig2Content) -{ - if(pJbig2Content) { - CJBig2_Context::DestroyContext(((CCodec_Jbig2Context*)pJbig2Content)->m_pContext); - delete (CCodec_Jbig2Context*)pJbig2Content; - } - pJbig2Content = NULL; -} -FX_BOOL CCodec_Jbig2Module::Decode(FX_DWORD width, FX_DWORD height, const uint8_t* src_buf, FX_DWORD src_size, - const uint8_t* global_data, FX_DWORD global_size, uint8_t* dest_buf, FX_DWORD dest_pitch) -{ - FXSYS_memset(dest_buf, 0, height * dest_pitch); - CJBig2_Context* pContext = CJBig2_Context::CreateContext(&m_Module, - (uint8_t*)global_data, global_size, (uint8_t*)src_buf, src_size, JBIG2_EMBED_STREAM, &m_SymbolDictCache); - if (pContext == NULL) { - return FALSE; - } - int ret = pContext->getFirstPage(dest_buf, width, height, dest_pitch, NULL); - CJBig2_Context::DestroyContext(pContext); - if (ret != JBIG2_SUCCESS) { - return FALSE; - } - int dword_size = height * dest_pitch / 4; - FX_DWORD* dword_buf = (FX_DWORD*)dest_buf; - for (int i = 0; i < dword_size; i ++) { - dword_buf[i] = ~dword_buf[i]; - } - return TRUE; +FX_BOOL CCodec_Jbig2Module::Decode(FX_DWORD width, + FX_DWORD height, + const uint8_t* src_buf, + FX_DWORD src_size, + const uint8_t* global_data, + FX_DWORD global_size, + uint8_t* dest_buf, + FX_DWORD dest_pitch) { + FXSYS_memset(dest_buf, 0, height * dest_pitch); + CJBig2_Context* pContext = CJBig2_Context::CreateContext( + &m_Module, (uint8_t*)global_data, global_size, (uint8_t*)src_buf, + src_size, JBIG2_EMBED_STREAM, &m_SymbolDictCache); + if (pContext == NULL) { + return FALSE; + } + int ret = pContext->getFirstPage(dest_buf, width, height, dest_pitch, NULL); + CJBig2_Context::DestroyContext(pContext); + if (ret != JBIG2_SUCCESS) { + return FALSE; + } + int dword_size = height * dest_pitch / 4; + FX_DWORD* dword_buf = (FX_DWORD*)dest_buf; + for (int i = 0; i < dword_size; i++) { + dword_buf[i] = ~dword_buf[i]; + } + return TRUE; } FX_BOOL CCodec_Jbig2Module::Decode(IFX_FileRead* file_ptr, - FX_DWORD& width, FX_DWORD& height, FX_DWORD& pitch, uint8_t*& dest_buf) -{ - CJBig2_Context* pContext = NULL; - CJBig2_Image* dest_image = NULL; - FX_DWORD src_size = (FX_DWORD)file_ptr->GetSize(); - uint8_t* src_buf = FX_Alloc(uint8_t, src_size); - int ret = 0; - if(!file_ptr->ReadBlock(src_buf, 0, src_size)) { - goto failed; - } - pContext = CJBig2_Context::CreateContext(&m_Module, NULL, 0, src_buf, src_size, JBIG2_FILE_STREAM, &m_SymbolDictCache); - if(pContext == NULL) { - goto failed; - } - ret = pContext->getFirstPage(&dest_image, NULL); - CJBig2_Context::DestroyContext(pContext); - if (ret != JBIG2_SUCCESS) { - goto failed; - } - width = (FX_DWORD)dest_image->m_nWidth; - height = (FX_DWORD)dest_image->m_nHeight; - pitch = (FX_DWORD)dest_image->m_nStride; - dest_buf = dest_image->m_pData; - dest_image->m_bNeedFree = FALSE; - delete dest_image; - FX_Free(src_buf); - return TRUE; + FX_DWORD& width, + FX_DWORD& height, + FX_DWORD& pitch, + uint8_t*& dest_buf) { + CJBig2_Context* pContext = NULL; + CJBig2_Image* dest_image = NULL; + FX_DWORD src_size = (FX_DWORD)file_ptr->GetSize(); + uint8_t* src_buf = FX_Alloc(uint8_t, src_size); + int ret = 0; + if (!file_ptr->ReadBlock(src_buf, 0, src_size)) { + goto failed; + } + pContext = + CJBig2_Context::CreateContext(&m_Module, NULL, 0, src_buf, src_size, + JBIG2_FILE_STREAM, &m_SymbolDictCache); + if (pContext == NULL) { + goto failed; + } + ret = pContext->getFirstPage(&dest_image, NULL); + CJBig2_Context::DestroyContext(pContext); + if (ret != JBIG2_SUCCESS) { + goto failed; + } + width = (FX_DWORD)dest_image->m_nWidth; + height = (FX_DWORD)dest_image->m_nHeight; + pitch = (FX_DWORD)dest_image->m_nStride; + dest_buf = dest_image->m_pData; + dest_image->m_bNeedFree = FALSE; + delete dest_image; + FX_Free(src_buf); + return TRUE; failed: - if(src_buf) { - FX_Free(src_buf); - } - return FALSE; -} -FXCODEC_STATUS CCodec_Jbig2Module::StartDecode(void* pJbig2Context, FX_DWORD width, FX_DWORD height, const uint8_t* src_buf, FX_DWORD src_size, - const uint8_t* global_data, FX_DWORD global_size, uint8_t* dest_buf, FX_DWORD dest_pitch, IFX_Pause* pPause) -{ - if(!pJbig2Context) { - return FXCODEC_STATUS_ERR_PARAMS; - } - CCodec_Jbig2Context* m_pJbig2Context = (CCodec_Jbig2Context*)pJbig2Context; - m_pJbig2Context->m_width = width; - m_pJbig2Context->m_height = height; - m_pJbig2Context->m_src_buf = (unsigned char *)src_buf; - m_pJbig2Context->m_src_size = src_size; - m_pJbig2Context->m_global_data = global_data; - m_pJbig2Context->m_global_size = global_size; - m_pJbig2Context->m_dest_buf = dest_buf; - m_pJbig2Context->m_dest_pitch = dest_pitch; - m_pJbig2Context->m_pPause = pPause; - m_pJbig2Context->m_bFileReader = FALSE; - FXSYS_memset(dest_buf, 0, height * dest_pitch); - m_pJbig2Context->m_pContext = CJBig2_Context::CreateContext(&m_Module, - (uint8_t*)global_data, global_size, (uint8_t*)src_buf, src_size, JBIG2_EMBED_STREAM, &m_SymbolDictCache, pPause); - if(!m_pJbig2Context->m_pContext) { - return FXCODEC_STATUS_ERROR; - } - int ret = m_pJbig2Context->m_pContext->getFirstPage(dest_buf, width, height, dest_pitch, pPause); - if(m_pJbig2Context->m_pContext->GetProcessiveStatus() == FXCODEC_STATUS_DECODE_FINISH) { - CJBig2_Context::DestroyContext(m_pJbig2Context->m_pContext); - m_pJbig2Context->m_pContext = NULL; - if (ret != JBIG2_SUCCESS) { - return FXCODEC_STATUS_ERROR; - } - int dword_size = height * dest_pitch / 4; - FX_DWORD* dword_buf = (FX_DWORD*)dest_buf; - for (int i = 0; i < dword_size; i ++) { - dword_buf[i] = ~dword_buf[i]; - } - return FXCODEC_STATUS_DECODE_FINISH; - } - return m_pJbig2Context->m_pContext->GetProcessiveStatus(); + if (src_buf) { + FX_Free(src_buf); + } + return FALSE; } -FXCODEC_STATUS CCodec_Jbig2Module::StartDecode(void* pJbig2Context, IFX_FileRead* file_ptr, - FX_DWORD& width, FX_DWORD& height, FX_DWORD& pitch, uint8_t*& dest_buf, IFX_Pause* pPause) -{ - if(!pJbig2Context) { - return FXCODEC_STATUS_ERR_PARAMS; - } - CCodec_Jbig2Context* m_pJbig2Context = (CCodec_Jbig2Context*)pJbig2Context; - m_pJbig2Context->m_bFileReader = TRUE; - m_pJbig2Context->m_dest_image = NULL; - m_pJbig2Context->m_src_size = (FX_DWORD)file_ptr->GetSize(); - m_pJbig2Context->m_src_buf = FX_Alloc(uint8_t, m_pJbig2Context->m_src_size); - int ret = 0; - if(!file_ptr->ReadBlock((void*)m_pJbig2Context->m_src_buf, 0, m_pJbig2Context->m_src_size)) { - goto failed; - } - m_pJbig2Context->m_pContext = CJBig2_Context::CreateContext(&m_Module, NULL, 0, m_pJbig2Context->m_src_buf, m_pJbig2Context->m_src_size, JBIG2_FILE_STREAM, &m_SymbolDictCache, pPause); - if(m_pJbig2Context->m_pContext == NULL) { - goto failed; - } - ret = m_pJbig2Context->m_pContext->getFirstPage(&m_pJbig2Context->m_dest_image, pPause); - if(m_pJbig2Context->m_pContext->GetProcessiveStatus() == FXCODEC_STATUS_DECODE_TOBECONTINUE) { - width = (FX_DWORD)m_pJbig2Context->m_dest_image->m_nWidth; - height = (FX_DWORD)m_pJbig2Context->m_dest_image->m_nHeight; - pitch = (FX_DWORD)m_pJbig2Context->m_dest_image->m_nStride; - dest_buf = m_pJbig2Context->m_dest_image->m_pData; - m_pJbig2Context->m_dest_image->m_bNeedFree = FALSE; - return FXCODEC_STATUS_DECODE_TOBECONTINUE; - } +FXCODEC_STATUS CCodec_Jbig2Module::StartDecode(void* pJbig2Context, + FX_DWORD width, + FX_DWORD height, + const uint8_t* src_buf, + FX_DWORD src_size, + const uint8_t* global_data, + FX_DWORD global_size, + uint8_t* dest_buf, + FX_DWORD dest_pitch, + IFX_Pause* pPause) { + if (!pJbig2Context) { + return FXCODEC_STATUS_ERR_PARAMS; + } + CCodec_Jbig2Context* m_pJbig2Context = (CCodec_Jbig2Context*)pJbig2Context; + m_pJbig2Context->m_width = width; + m_pJbig2Context->m_height = height; + m_pJbig2Context->m_src_buf = (unsigned char*)src_buf; + m_pJbig2Context->m_src_size = src_size; + m_pJbig2Context->m_global_data = global_data; + m_pJbig2Context->m_global_size = global_size; + m_pJbig2Context->m_dest_buf = dest_buf; + m_pJbig2Context->m_dest_pitch = dest_pitch; + m_pJbig2Context->m_pPause = pPause; + m_pJbig2Context->m_bFileReader = FALSE; + FXSYS_memset(dest_buf, 0, height * dest_pitch); + m_pJbig2Context->m_pContext = CJBig2_Context::CreateContext( + &m_Module, (uint8_t*)global_data, global_size, (uint8_t*)src_buf, + src_size, JBIG2_EMBED_STREAM, &m_SymbolDictCache, pPause); + if (!m_pJbig2Context->m_pContext) { + return FXCODEC_STATUS_ERROR; + } + int ret = m_pJbig2Context->m_pContext->getFirstPage(dest_buf, width, height, + dest_pitch, pPause); + if (m_pJbig2Context->m_pContext->GetProcessiveStatus() == + FXCODEC_STATUS_DECODE_FINISH) { CJBig2_Context::DestroyContext(m_pJbig2Context->m_pContext); m_pJbig2Context->m_pContext = NULL; if (ret != JBIG2_SUCCESS) { - goto failed; + return FXCODEC_STATUS_ERROR; } + int dword_size = height * dest_pitch / 4; + FX_DWORD* dword_buf = (FX_DWORD*)dest_buf; + for (int i = 0; i < dword_size; i++) { + dword_buf[i] = ~dword_buf[i]; + } + return FXCODEC_STATUS_DECODE_FINISH; + } + return m_pJbig2Context->m_pContext->GetProcessiveStatus(); +} +FXCODEC_STATUS CCodec_Jbig2Module::StartDecode(void* pJbig2Context, + IFX_FileRead* file_ptr, + FX_DWORD& width, + FX_DWORD& height, + FX_DWORD& pitch, + uint8_t*& dest_buf, + IFX_Pause* pPause) { + if (!pJbig2Context) { + return FXCODEC_STATUS_ERR_PARAMS; + } + CCodec_Jbig2Context* m_pJbig2Context = (CCodec_Jbig2Context*)pJbig2Context; + m_pJbig2Context->m_bFileReader = TRUE; + m_pJbig2Context->m_dest_image = NULL; + m_pJbig2Context->m_src_size = (FX_DWORD)file_ptr->GetSize(); + m_pJbig2Context->m_src_buf = FX_Alloc(uint8_t, m_pJbig2Context->m_src_size); + int ret = 0; + if (!file_ptr->ReadBlock((void*)m_pJbig2Context->m_src_buf, 0, + m_pJbig2Context->m_src_size)) { + goto failed; + } + m_pJbig2Context->m_pContext = CJBig2_Context::CreateContext( + &m_Module, NULL, 0, m_pJbig2Context->m_src_buf, + m_pJbig2Context->m_src_size, JBIG2_FILE_STREAM, &m_SymbolDictCache, + pPause); + if (m_pJbig2Context->m_pContext == NULL) { + goto failed; + } + ret = m_pJbig2Context->m_pContext->getFirstPage( + &m_pJbig2Context->m_dest_image, pPause); + if (m_pJbig2Context->m_pContext->GetProcessiveStatus() == + FXCODEC_STATUS_DECODE_TOBECONTINUE) { width = (FX_DWORD)m_pJbig2Context->m_dest_image->m_nWidth; height = (FX_DWORD)m_pJbig2Context->m_dest_image->m_nHeight; pitch = (FX_DWORD)m_pJbig2Context->m_dest_image->m_nStride; dest_buf = m_pJbig2Context->m_dest_image->m_pData; m_pJbig2Context->m_dest_image->m_bNeedFree = FALSE; - delete m_pJbig2Context->m_dest_image; - FX_Free(m_pJbig2Context->m_src_buf); - return FXCODEC_STATUS_DECODE_FINISH; + return FXCODEC_STATUS_DECODE_TOBECONTINUE; + } + CJBig2_Context::DestroyContext(m_pJbig2Context->m_pContext); + m_pJbig2Context->m_pContext = NULL; + if (ret != JBIG2_SUCCESS) { + goto failed; + } + width = (FX_DWORD)m_pJbig2Context->m_dest_image->m_nWidth; + height = (FX_DWORD)m_pJbig2Context->m_dest_image->m_nHeight; + pitch = (FX_DWORD)m_pJbig2Context->m_dest_image->m_nStride; + dest_buf = m_pJbig2Context->m_dest_image->m_pData; + m_pJbig2Context->m_dest_image->m_bNeedFree = FALSE; + delete m_pJbig2Context->m_dest_image; + FX_Free(m_pJbig2Context->m_src_buf); + return FXCODEC_STATUS_DECODE_FINISH; failed: - if(m_pJbig2Context->m_src_buf) { - FX_Free(m_pJbig2Context->m_src_buf); - } - m_pJbig2Context->m_src_buf = NULL; - return FXCODEC_STATUS_ERROR; + if (m_pJbig2Context->m_src_buf) { + FX_Free(m_pJbig2Context->m_src_buf); + } + m_pJbig2Context->m_src_buf = NULL; + return FXCODEC_STATUS_ERROR; } -FXCODEC_STATUS CCodec_Jbig2Module::ContinueDecode(void* pJbig2Context, IFX_Pause* pPause) -{ - CCodec_Jbig2Context* m_pJbig2Context = (CCodec_Jbig2Context*)pJbig2Context; - int ret = m_pJbig2Context->m_pContext->Continue(pPause); - if (m_pJbig2Context->m_pContext->GetProcessiveStatus() != FXCODEC_STATUS_DECODE_FINISH) { - return m_pJbig2Context->m_pContext->GetProcessiveStatus(); - } - if (m_pJbig2Context->m_bFileReader) { - CJBig2_Context::DestroyContext(m_pJbig2Context->m_pContext); - m_pJbig2Context->m_pContext = NULL; - if (ret != JBIG2_SUCCESS) { - if(m_pJbig2Context->m_src_buf) { - FX_Free(m_pJbig2Context->m_src_buf); - } - m_pJbig2Context->m_src_buf = NULL; - return FXCODEC_STATUS_ERROR; - } - delete m_pJbig2Context->m_dest_image; - FX_Free(m_pJbig2Context->m_src_buf); - return FXCODEC_STATUS_DECODE_FINISH; - } +FXCODEC_STATUS CCodec_Jbig2Module::ContinueDecode(void* pJbig2Context, + IFX_Pause* pPause) { + CCodec_Jbig2Context* m_pJbig2Context = (CCodec_Jbig2Context*)pJbig2Context; + int ret = m_pJbig2Context->m_pContext->Continue(pPause); + if (m_pJbig2Context->m_pContext->GetProcessiveStatus() != + FXCODEC_STATUS_DECODE_FINISH) { + return m_pJbig2Context->m_pContext->GetProcessiveStatus(); + } + if (m_pJbig2Context->m_bFileReader) { CJBig2_Context::DestroyContext(m_pJbig2Context->m_pContext); m_pJbig2Context->m_pContext = NULL; if (ret != JBIG2_SUCCESS) { - return FXCODEC_STATUS_ERROR; - } - int dword_size = m_pJbig2Context->m_height * m_pJbig2Context->m_dest_pitch / 4; - FX_DWORD* dword_buf = (FX_DWORD*)m_pJbig2Context->m_dest_buf; - for (int i = 0; i < dword_size; i ++) { - dword_buf[i] = ~dword_buf[i]; + if (m_pJbig2Context->m_src_buf) { + FX_Free(m_pJbig2Context->m_src_buf); + } + m_pJbig2Context->m_src_buf = NULL; + return FXCODEC_STATUS_ERROR; } + delete m_pJbig2Context->m_dest_image; + FX_Free(m_pJbig2Context->m_src_buf); return FXCODEC_STATUS_DECODE_FINISH; + } + CJBig2_Context::DestroyContext(m_pJbig2Context->m_pContext); + m_pJbig2Context->m_pContext = NULL; + if (ret != JBIG2_SUCCESS) { + return FXCODEC_STATUS_ERROR; + } + int dword_size = + m_pJbig2Context->m_height * m_pJbig2Context->m_dest_pitch / 4; + FX_DWORD* dword_buf = (FX_DWORD*)m_pJbig2Context->m_dest_buf; + for (int i = 0; i < dword_size; i++) { + dword_buf[i] = ~dword_buf[i]; + } + return FXCODEC_STATUS_DECODE_FINISH; } - - - diff --git a/core/src/fxcodec/codec/fx_codec_jbig_enc.cpp b/core/src/fxcodec/codec/fx_codec_jbig_enc.cpp index ab322dd9b5..38c82fdc11 100644 --- a/core/src/fxcodec/codec/fx_codec_jbig_enc.cpp +++ b/core/src/fxcodec/codec/fx_codec_jbig_enc.cpp @@ -5,7 +5,6 @@ // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com #include "../../../include/fxcodec/fx_codec.h" -ICodec_Jbig2Encoder* CCodec_ModuleMgr::CreateJbig2Encoder() -{ - return NULL; +ICodec_Jbig2Encoder* CCodec_ModuleMgr::CreateJbig2Encoder() { + return NULL; } diff --git a/core/src/fxcodec/codec/fx_codec_jpeg.cpp b/core/src/fxcodec/codec/fx_codec_jpeg.cpp index 62963643cf..4fa99f3981 100644 --- a/core/src/fxcodec/codec/fx_codec_jpeg.cpp +++ b/core/src/fxcodec/codec/fx_codec_jpeg.cpp @@ -17,738 +17,773 @@ extern "C" { } extern "C" { - static void _JpegScanSOI(const uint8_t*& src_buf, FX_DWORD& src_size) - { - if (src_size == 0) { - return; - } - FX_DWORD offset = 0; - while (offset < src_size - 1) { - if (src_buf[offset] == 0xff && src_buf[offset + 1] == 0xd8) { - src_buf += offset; - src_size -= offset; - return; - } - offset ++; - } - } +static void _JpegScanSOI(const uint8_t*& src_buf, FX_DWORD& src_size) { + if (src_size == 0) { + return; + } + FX_DWORD offset = 0; + while (offset < src_size - 1) { + if (src_buf[offset] == 0xff && src_buf[offset + 1] == 0xd8) { + src_buf += offset; + src_size -= offset; + return; + } + offset++; + } +} }; extern "C" { - static void _src_do_nothing(struct jpeg_decompress_struct* cinfo) {} +static void _src_do_nothing(struct jpeg_decompress_struct* cinfo) {} }; extern "C" { - static void _error_fatal(j_common_ptr cinfo) - { - longjmp(*(jmp_buf*)cinfo->client_data, -1); - } +static void _error_fatal(j_common_ptr cinfo) { + longjmp(*(jmp_buf*)cinfo->client_data, -1); +} }; extern "C" { - static void _src_skip_data(struct jpeg_decompress_struct* cinfo, long num) - { - if (num > (long)cinfo->src->bytes_in_buffer) { - _error_fatal((j_common_ptr)cinfo); - } - cinfo->src->next_input_byte += num; - cinfo->src->bytes_in_buffer -= num; - } +static void _src_skip_data(struct jpeg_decompress_struct* cinfo, long num) { + if (num > (long)cinfo->src->bytes_in_buffer) { + _error_fatal((j_common_ptr)cinfo); + } + cinfo->src->next_input_byte += num; + cinfo->src->bytes_in_buffer -= num; +} }; extern "C" { - static boolean _src_fill_buffer(j_decompress_ptr cinfo) - { - return 0; - } +static boolean _src_fill_buffer(j_decompress_ptr cinfo) { + return 0; +} }; extern "C" { - static boolean _src_resync(j_decompress_ptr cinfo, int desired) - { - return 0; - } +static boolean _src_resync(j_decompress_ptr cinfo, int desired) { + return 0; +} }; extern "C" { - static void _error_do_nothing(j_common_ptr cinfo) {} +static void _error_do_nothing(j_common_ptr cinfo) {} }; extern "C" { - static void _error_do_nothing1(j_common_ptr cinfo, int) {} +static void _error_do_nothing1(j_common_ptr cinfo, int) {} }; extern "C" { - static void _error_do_nothing2(j_common_ptr cinfo, char*) {} +static void _error_do_nothing2(j_common_ptr cinfo, char*) {} }; -#define JPEG_MARKER_EXIF (JPEG_APP0 + 1) -#define JPEG_MARKER_ICC (JPEG_APP0 + 2) -#define JPEG_MARKER_AUTHORTIME (JPEG_APP0 + 3) -#define JPEG_MARKER_MAXSIZE 0xFFFF -#define JPEG_OVERHEAD_LEN 14 -static FX_BOOL _JpegIsIccMarker(jpeg_saved_marker_ptr marker) -{ - if (marker->marker == JPEG_MARKER_ICC && - marker->data_length >= JPEG_OVERHEAD_LEN && - (FXSYS_memcmp(marker->data, "\x49\x43\x43\x5f\x50\x52\x4f\x46\x49\x4c\x45\x00", 12) == 0)) { - return TRUE; - } - return FALSE; +#define JPEG_MARKER_EXIF (JPEG_APP0 + 1) +#define JPEG_MARKER_ICC (JPEG_APP0 + 2) +#define JPEG_MARKER_AUTHORTIME (JPEG_APP0 + 3) +#define JPEG_MARKER_MAXSIZE 0xFFFF +#define JPEG_OVERHEAD_LEN 14 +static FX_BOOL _JpegIsIccMarker(jpeg_saved_marker_ptr marker) { + if (marker->marker == JPEG_MARKER_ICC && + marker->data_length >= JPEG_OVERHEAD_LEN && + (FXSYS_memcmp(marker->data, + "\x49\x43\x43\x5f\x50\x52\x4f\x46\x49\x4c\x45\x00", + 12) == 0)) { + return TRUE; + } + return FALSE; } -static FX_BOOL _JpegLoadIccProfile(j_decompress_ptr cinfo, uint8_t** icc_buf_ptr, FX_DWORD* icc_length) -{ - if(icc_buf_ptr == NULL || icc_length == NULL) { +static FX_BOOL _JpegLoadIccProfile(j_decompress_ptr cinfo, + uint8_t** icc_buf_ptr, + FX_DWORD* icc_length) { + if (icc_buf_ptr == NULL || icc_length == NULL) { + return FALSE; + } + *icc_buf_ptr = NULL; + *icc_length = 0; + uint8_t* icc_data_ptr = NULL; + FX_DWORD icc_data_len = 0; + uint8_t count_icc_marker = 0; + uint8_t num_icc_marker = 0; + jpeg_saved_marker_ptr marker_list[256] = {NULL}; + for (jpeg_saved_marker_ptr cur_marker = cinfo->marker_list; + cur_marker != NULL; cur_marker = cur_marker->next) { + if (_JpegIsIccMarker(cur_marker)) { + if (count_icc_marker == 0) { + num_icc_marker = cur_marker->data[13]; + } else if (num_icc_marker != cur_marker->data[13]) { return FALSE; - } - *icc_buf_ptr = NULL; - *icc_length = 0; - uint8_t* icc_data_ptr = NULL; - FX_DWORD icc_data_len = 0; - uint8_t count_icc_marker = 0; - uint8_t num_icc_marker = 0; - jpeg_saved_marker_ptr marker_list[256] = {NULL}; - for (jpeg_saved_marker_ptr cur_marker = cinfo->marker_list; - cur_marker != NULL; - cur_marker = cur_marker->next) { - if(_JpegIsIccMarker(cur_marker)) { - if(count_icc_marker == 0) { - num_icc_marker = cur_marker->data[13]; - } else if(num_icc_marker != cur_marker->data[13]) { - return FALSE; - } - int sn = cur_marker->data[12] - 1; - if(sn < 0 || sn >= num_icc_marker) { - return FALSE; - } - if(marker_list[sn] == NULL) { - marker_list[sn] = cur_marker; - } else { - return FALSE; - } - count_icc_marker ++; - icc_data_len += (cur_marker->data_length - JPEG_OVERHEAD_LEN); - } - } - if(count_icc_marker != num_icc_marker) { + } + int sn = cur_marker->data[12] - 1; + if (sn < 0 || sn >= num_icc_marker) { return FALSE; - } - if(num_icc_marker == 0) { - return TRUE; - } - icc_data_ptr = FX_Alloc(uint8_t, icc_data_len); - if(icc_buf_ptr == NULL) { + } + if (marker_list[sn] == NULL) { + marker_list[sn] = cur_marker; + } else { return FALSE; + } + count_icc_marker++; + icc_data_len += (cur_marker->data_length - JPEG_OVERHEAD_LEN); } - *icc_buf_ptr = icc_data_ptr; - *icc_length = icc_data_len; - for (int idx = 0; idx < num_icc_marker; idx++) { - icc_data_len = marker_list[idx]->data_length - JPEG_OVERHEAD_LEN; - FXSYS_memcpy(icc_data_ptr, marker_list[idx]->data + JPEG_OVERHEAD_LEN, icc_data_len); - icc_data_ptr += icc_data_len; - } + } + if (count_icc_marker != num_icc_marker) { + return FALSE; + } + if (num_icc_marker == 0) { return TRUE; + } + icc_data_ptr = FX_Alloc(uint8_t, icc_data_len); + if (icc_buf_ptr == NULL) { + return FALSE; + } + *icc_buf_ptr = icc_data_ptr; + *icc_length = icc_data_len; + for (int idx = 0; idx < num_icc_marker; idx++) { + icc_data_len = marker_list[idx]->data_length - JPEG_OVERHEAD_LEN; + FXSYS_memcpy(icc_data_ptr, marker_list[idx]->data + JPEG_OVERHEAD_LEN, + icc_data_len); + icc_data_ptr += icc_data_len; + } + return TRUE; } -static FX_BOOL _JpegEmbedIccProfile(j_compress_ptr cinfo, const uint8_t* icc_buf_ptr, FX_DWORD icc_length) -{ - if(icc_buf_ptr == NULL || icc_length == 0) { - return FALSE; - } - FX_DWORD icc_segment_size = (JPEG_MARKER_MAXSIZE - 2 - JPEG_OVERHEAD_LEN); - FX_DWORD icc_segment_num = (icc_length / icc_segment_size) + 1; - if (icc_segment_num > 255) { - return FALSE; - } - FX_DWORD icc_data_length = JPEG_OVERHEAD_LEN + (icc_segment_num > 1 ? icc_segment_size : icc_length); - uint8_t* icc_data = FX_Alloc(uint8_t, icc_data_length); - FXSYS_memcpy(icc_data, "\x49\x43\x43\x5f\x50\x52\x4f\x46\x49\x4c\x45\x00", 12); - icc_data[13] = (uint8_t)icc_segment_num; - for (uint8_t i = 0; i < (icc_segment_num - 1); i++) { - icc_data[12] = i + 1; - FXSYS_memcpy(icc_data + JPEG_OVERHEAD_LEN, icc_buf_ptr + i * icc_segment_size, icc_segment_size); - jpeg_write_marker(cinfo, JPEG_MARKER_ICC, icc_data, icc_data_length); - } - icc_data[12] = (uint8_t)icc_segment_num; - FX_DWORD icc_size = (icc_segment_num - 1) * icc_segment_size; - FXSYS_memcpy(icc_data + JPEG_OVERHEAD_LEN, icc_buf_ptr + icc_size, icc_length - icc_size); - jpeg_write_marker(cinfo, JPEG_MARKER_ICC, icc_data, JPEG_OVERHEAD_LEN + icc_length - icc_size); - FX_Free(icc_data); - return TRUE; +static FX_BOOL _JpegEmbedIccProfile(j_compress_ptr cinfo, + const uint8_t* icc_buf_ptr, + FX_DWORD icc_length) { + if (icc_buf_ptr == NULL || icc_length == 0) { + return FALSE; + } + FX_DWORD icc_segment_size = (JPEG_MARKER_MAXSIZE - 2 - JPEG_OVERHEAD_LEN); + FX_DWORD icc_segment_num = (icc_length / icc_segment_size) + 1; + if (icc_segment_num > 255) { + return FALSE; + } + FX_DWORD icc_data_length = + JPEG_OVERHEAD_LEN + (icc_segment_num > 1 ? icc_segment_size : icc_length); + uint8_t* icc_data = FX_Alloc(uint8_t, icc_data_length); + FXSYS_memcpy(icc_data, "\x49\x43\x43\x5f\x50\x52\x4f\x46\x49\x4c\x45\x00", + 12); + icc_data[13] = (uint8_t)icc_segment_num; + for (uint8_t i = 0; i < (icc_segment_num - 1); i++) { + icc_data[12] = i + 1; + FXSYS_memcpy(icc_data + JPEG_OVERHEAD_LEN, + icc_buf_ptr + i * icc_segment_size, icc_segment_size); + jpeg_write_marker(cinfo, JPEG_MARKER_ICC, icc_data, icc_data_length); + } + icc_data[12] = (uint8_t)icc_segment_num; + FX_DWORD icc_size = (icc_segment_num - 1) * icc_segment_size; + FXSYS_memcpy(icc_data + JPEG_OVERHEAD_LEN, icc_buf_ptr + icc_size, + icc_length - icc_size); + jpeg_write_marker(cinfo, JPEG_MARKER_ICC, icc_data, + JPEG_OVERHEAD_LEN + icc_length - icc_size); + FX_Free(icc_data); + return TRUE; } extern "C" { - static void _dest_do_nothing(j_compress_ptr cinfo) {} +static void _dest_do_nothing(j_compress_ptr cinfo) {} }; extern "C" { - static boolean _dest_empty(j_compress_ptr cinfo) - { - return FALSE; - } +static boolean _dest_empty(j_compress_ptr cinfo) { + return FALSE; +} }; -#define JPEG_BLOCK_SIZE 1048576 -static void _JpegEncode(const CFX_DIBSource* pSource, uint8_t*& dest_buf, FX_STRSIZE& dest_size, int quality, const uint8_t* icc_buf, FX_DWORD icc_length) -{ - struct jpeg_error_mgr jerr; - jerr.error_exit = _error_do_nothing; - jerr.emit_message = _error_do_nothing1; - jerr.output_message = _error_do_nothing; - jerr.format_message = _error_do_nothing2; - jerr.reset_error_mgr = _error_do_nothing; +#define JPEG_BLOCK_SIZE 1048576 +static void _JpegEncode(const CFX_DIBSource* pSource, + uint8_t*& dest_buf, + FX_STRSIZE& dest_size, + int quality, + const uint8_t* icc_buf, + FX_DWORD icc_length) { + struct jpeg_error_mgr jerr; + jerr.error_exit = _error_do_nothing; + jerr.emit_message = _error_do_nothing1; + jerr.output_message = _error_do_nothing; + jerr.format_message = _error_do_nothing2; + jerr.reset_error_mgr = _error_do_nothing; - struct jpeg_compress_struct cinfo; - memset(&cinfo, 0, sizeof(cinfo)); - cinfo.err = &jerr; - jpeg_create_compress(&cinfo); - int Bpp = pSource->GetBPP() / 8; - FX_DWORD nComponents = Bpp >= 3 ? (pSource->IsCmykImage() ? 4 : 3) : 1; - FX_DWORD pitch = pSource->GetPitch(); - FX_DWORD width = pdfium::base::checked_cast<FX_DWORD>(pSource->GetWidth()); - FX_DWORD height = pdfium::base::checked_cast<FX_DWORD>(pSource->GetHeight()); - FX_SAFE_DWORD safe_buf_len = width; - safe_buf_len *= height; - safe_buf_len *= nComponents; - safe_buf_len += 1024; - if (icc_length) { - safe_buf_len += 255 * 18; - safe_buf_len += icc_length; - } - FX_DWORD dest_buf_length = 0; - if (!safe_buf_len.IsValid()) { - dest_buf = nullptr; - } else { - dest_buf_length = safe_buf_len.ValueOrDie(); - dest_buf = FX_TryAlloc(uint8_t, dest_buf_length); - const int MIN_TRY_BUF_LEN = 1024; - while (!dest_buf && dest_buf_length > MIN_TRY_BUF_LEN) { - dest_buf_length >>= 1; - dest_buf = FX_TryAlloc(uint8_t, dest_buf_length); - } - } - if (!dest_buf) { - FX_OutOfMemoryTerminate(); - } - struct jpeg_destination_mgr dest; - dest.init_destination = _dest_do_nothing; - dest.term_destination = _dest_do_nothing; - dest.empty_output_buffer = _dest_empty; - dest.next_output_byte = dest_buf; - dest.free_in_buffer = dest_buf_length; - cinfo.dest = &dest; - cinfo.image_width = width; - cinfo.image_height = height; - cinfo.input_components = nComponents; - if (nComponents == 1) { - cinfo.in_color_space = JCS_GRAYSCALE; - } else if (nComponents == 3) { - cinfo.in_color_space = JCS_RGB; - } else { - cinfo.in_color_space = JCS_CMYK; - } - uint8_t* line_buf = NULL; + struct jpeg_compress_struct cinfo; + memset(&cinfo, 0, sizeof(cinfo)); + cinfo.err = &jerr; + jpeg_create_compress(&cinfo); + int Bpp = pSource->GetBPP() / 8; + FX_DWORD nComponents = Bpp >= 3 ? (pSource->IsCmykImage() ? 4 : 3) : 1; + FX_DWORD pitch = pSource->GetPitch(); + FX_DWORD width = pdfium::base::checked_cast<FX_DWORD>(pSource->GetWidth()); + FX_DWORD height = pdfium::base::checked_cast<FX_DWORD>(pSource->GetHeight()); + FX_SAFE_DWORD safe_buf_len = width; + safe_buf_len *= height; + safe_buf_len *= nComponents; + safe_buf_len += 1024; + if (icc_length) { + safe_buf_len += 255 * 18; + safe_buf_len += icc_length; + } + FX_DWORD dest_buf_length = 0; + if (!safe_buf_len.IsValid()) { + dest_buf = nullptr; + } else { + dest_buf_length = safe_buf_len.ValueOrDie(); + dest_buf = FX_TryAlloc(uint8_t, dest_buf_length); + const int MIN_TRY_BUF_LEN = 1024; + while (!dest_buf && dest_buf_length > MIN_TRY_BUF_LEN) { + dest_buf_length >>= 1; + dest_buf = FX_TryAlloc(uint8_t, dest_buf_length); + } + } + if (!dest_buf) { + FX_OutOfMemoryTerminate(); + } + struct jpeg_destination_mgr dest; + dest.init_destination = _dest_do_nothing; + dest.term_destination = _dest_do_nothing; + dest.empty_output_buffer = _dest_empty; + dest.next_output_byte = dest_buf; + dest.free_in_buffer = dest_buf_length; + cinfo.dest = &dest; + cinfo.image_width = width; + cinfo.image_height = height; + cinfo.input_components = nComponents; + if (nComponents == 1) { + cinfo.in_color_space = JCS_GRAYSCALE; + } else if (nComponents == 3) { + cinfo.in_color_space = JCS_RGB; + } else { + cinfo.in_color_space = JCS_CMYK; + } + uint8_t* line_buf = NULL; + if (nComponents > 1) { + line_buf = FX_Alloc2D(uint8_t, width, nComponents); + } + jpeg_set_defaults(&cinfo); + if (quality != 75) { + jpeg_set_quality(&cinfo, quality, TRUE); + } + jpeg_start_compress(&cinfo, TRUE); + _JpegEmbedIccProfile(&cinfo, icc_buf, icc_length); + JSAMPROW row_pointer[1]; + JDIMENSION row; + while (cinfo.next_scanline < cinfo.image_height) { + const uint8_t* src_scan = pSource->GetScanline(cinfo.next_scanline); if (nComponents > 1) { - line_buf = FX_Alloc2D(uint8_t, width, nComponents); - } - jpeg_set_defaults(&cinfo); - if(quality != 75) { - jpeg_set_quality(&cinfo, quality, TRUE); - } - jpeg_start_compress(&cinfo, TRUE); - _JpegEmbedIccProfile(&cinfo, icc_buf, icc_length); - JSAMPROW row_pointer[1]; - JDIMENSION row; - while (cinfo.next_scanline < cinfo.image_height) { - const uint8_t* src_scan = pSource->GetScanline(cinfo.next_scanline); - if (nComponents > 1) { - uint8_t* dest_scan = line_buf; - if (nComponents == 3) { - for (int i = 0; i < width; i ++) { - dest_scan[0] = src_scan[2]; - dest_scan[1] = src_scan[1]; - dest_scan[2] = src_scan[0]; - dest_scan += 3; - src_scan += Bpp; - } - } else { - for (int i = 0; i < pitch; i ++) { - *dest_scan++ = ~*src_scan++; - } - } - row_pointer[0] = line_buf; - } else { - row_pointer[0] = (uint8_t*)src_scan; + uint8_t* dest_scan = line_buf; + if (nComponents == 3) { + for (int i = 0; i < width; i++) { + dest_scan[0] = src_scan[2]; + dest_scan[1] = src_scan[1]; + dest_scan[2] = src_scan[0]; + dest_scan += 3; + src_scan += Bpp; } - row = cinfo.next_scanline; - jpeg_write_scanlines(&cinfo, row_pointer, 1); - if (cinfo.next_scanline == row) { - dest_buf = FX_Realloc(uint8_t, dest_buf, dest_buf_length + JPEG_BLOCK_SIZE); - dest.next_output_byte = dest_buf + dest_buf_length - dest.free_in_buffer; - dest_buf_length += JPEG_BLOCK_SIZE; - dest.free_in_buffer += JPEG_BLOCK_SIZE; + } else { + for (int i = 0; i < pitch; i++) { + *dest_scan++ = ~*src_scan++; } - } - jpeg_finish_compress(&cinfo); - jpeg_destroy_compress(&cinfo); - if (line_buf) { - FX_Free(line_buf); - } - dest_size = dest_buf_length - (FX_STRSIZE)dest.free_in_buffer; + } + row_pointer[0] = line_buf; + } else { + row_pointer[0] = (uint8_t*)src_scan; + } + row = cinfo.next_scanline; + jpeg_write_scanlines(&cinfo, row_pointer, 1); + if (cinfo.next_scanline == row) { + dest_buf = + FX_Realloc(uint8_t, dest_buf, dest_buf_length + JPEG_BLOCK_SIZE); + dest.next_output_byte = dest_buf + dest_buf_length - dest.free_in_buffer; + dest_buf_length += JPEG_BLOCK_SIZE; + dest.free_in_buffer += JPEG_BLOCK_SIZE; + } + } + jpeg_finish_compress(&cinfo); + jpeg_destroy_compress(&cinfo); + if (line_buf) { + FX_Free(line_buf); + } + dest_size = dest_buf_length - (FX_STRSIZE)dest.free_in_buffer; } -static void _JpegLoadAttribute(struct jpeg_decompress_struct* pInfo, CFX_DIBAttribute* pAttribute) -{ - if (pInfo == NULL || pAttribute == NULL) { - return; - } - if (pAttribute) { - pAttribute->m_nXDPI = pInfo->X_density; - pAttribute->m_nYDPI = pInfo->Y_density; - pAttribute->m_wDPIUnit = pInfo->density_unit; - } +static void _JpegLoadAttribute(struct jpeg_decompress_struct* pInfo, + CFX_DIBAttribute* pAttribute) { + if (pInfo == NULL || pAttribute == NULL) { + return; + } + if (pAttribute) { + pAttribute->m_nXDPI = pInfo->X_density; + pAttribute->m_nYDPI = pInfo->Y_density; + pAttribute->m_wDPIUnit = pInfo->density_unit; + } } -static FX_BOOL _JpegLoadInfo(const uint8_t* src_buf, FX_DWORD src_size, int& width, int& height, - int& num_components, int& bits_per_components, FX_BOOL& color_transform, - uint8_t** icc_buf_ptr, FX_DWORD* icc_length) -{ - _JpegScanSOI(src_buf, src_size); - struct jpeg_decompress_struct cinfo; - struct jpeg_error_mgr jerr; - jerr.error_exit = _error_fatal; - jerr.emit_message = _error_do_nothing1; - jerr.output_message = _error_do_nothing; - jerr.format_message = _error_do_nothing2; - jerr.reset_error_mgr = _error_do_nothing; - jerr.trace_level = 0; - cinfo.err = &jerr; - jmp_buf mark; - cinfo.client_data = &mark; - if (setjmp(mark) == -1) { - return FALSE; - } - jpeg_create_decompress(&cinfo); - struct jpeg_source_mgr src; - src.init_source = _src_do_nothing; - src.term_source = _src_do_nothing; - src.skip_input_data = _src_skip_data; - src.fill_input_buffer = _src_fill_buffer; - src.resync_to_restart = _src_resync; - src.bytes_in_buffer = src_size; - src.next_input_byte = src_buf; - cinfo.src = &src; - if (setjmp(mark) == -1) { - jpeg_destroy_decompress(&cinfo); - return FALSE; - } - if(icc_buf_ptr && icc_length) { - jpeg_save_markers(&cinfo, JPEG_MARKER_ICC, JPEG_MARKER_MAXSIZE); - } - int ret = jpeg_read_header(&cinfo, TRUE); - if (ret != JPEG_HEADER_OK) { - jpeg_destroy_decompress(&cinfo); - return FALSE; - } - width = cinfo.image_width; - height = cinfo.image_height; - num_components = cinfo.num_components; - color_transform = cinfo.jpeg_color_space == JCS_YCbCr || cinfo.jpeg_color_space == JCS_YCCK; - bits_per_components = cinfo.data_precision; - if(icc_buf_ptr != NULL) { - *icc_buf_ptr = NULL; - } - if(icc_length != NULL) { - *icc_length = 0; - } +static FX_BOOL _JpegLoadInfo(const uint8_t* src_buf, + FX_DWORD src_size, + int& width, + int& height, + int& num_components, + int& bits_per_components, + FX_BOOL& color_transform, + uint8_t** icc_buf_ptr, + FX_DWORD* icc_length) { + _JpegScanSOI(src_buf, src_size); + struct jpeg_decompress_struct cinfo; + struct jpeg_error_mgr jerr; + jerr.error_exit = _error_fatal; + jerr.emit_message = _error_do_nothing1; + jerr.output_message = _error_do_nothing; + jerr.format_message = _error_do_nothing2; + jerr.reset_error_mgr = _error_do_nothing; + jerr.trace_level = 0; + cinfo.err = &jerr; + jmp_buf mark; + cinfo.client_data = &mark; + if (setjmp(mark) == -1) { + return FALSE; + } + jpeg_create_decompress(&cinfo); + struct jpeg_source_mgr src; + src.init_source = _src_do_nothing; + src.term_source = _src_do_nothing; + src.skip_input_data = _src_skip_data; + src.fill_input_buffer = _src_fill_buffer; + src.resync_to_restart = _src_resync; + src.bytes_in_buffer = src_size; + src.next_input_byte = src_buf; + cinfo.src = &src; + if (setjmp(mark) == -1) { jpeg_destroy_decompress(&cinfo); - return TRUE; + return FALSE; + } + if (icc_buf_ptr && icc_length) { + jpeg_save_markers(&cinfo, JPEG_MARKER_ICC, JPEG_MARKER_MAXSIZE); + } + int ret = jpeg_read_header(&cinfo, TRUE); + if (ret != JPEG_HEADER_OK) { + jpeg_destroy_decompress(&cinfo); + return FALSE; + } + width = cinfo.image_width; + height = cinfo.image_height; + num_components = cinfo.num_components; + color_transform = + cinfo.jpeg_color_space == JCS_YCbCr || cinfo.jpeg_color_space == JCS_YCCK; + bits_per_components = cinfo.data_precision; + if (icc_buf_ptr != NULL) { + *icc_buf_ptr = NULL; + } + if (icc_length != NULL) { + *icc_length = 0; + } + jpeg_destroy_decompress(&cinfo); + return TRUE; } -class CCodec_JpegDecoder : public CCodec_ScanlineDecoder -{ -public: - CCodec_JpegDecoder(); - ~CCodec_JpegDecoder(); - FX_BOOL Create(const uint8_t* src_buf, FX_DWORD src_size, int width, int height, int nComps, - FX_BOOL ColorTransform, IFX_JpegProvider* pJP); - virtual void Destroy() - { - delete this; - } - virtual void v_DownScale(int dest_width, int dest_height); - virtual FX_BOOL v_Rewind(); - virtual uint8_t* v_GetNextLine(); - virtual FX_DWORD GetSrcOffset(); - jmp_buf m_JmpBuf; - struct jpeg_decompress_struct cinfo; - struct jpeg_error_mgr jerr; - struct jpeg_source_mgr src; - const uint8_t* m_SrcBuf; - FX_DWORD m_SrcSize; - uint8_t* m_pScanlineBuf; - FX_BOOL InitDecode(); - FX_BOOL m_bInited, m_bStarted, m_bJpegTransform; -protected: - IFX_JpegProvider* m_pExtProvider; - void* m_pExtContext; - FX_DWORD m_nDefaultScaleDenom; +class CCodec_JpegDecoder : public CCodec_ScanlineDecoder { + public: + CCodec_JpegDecoder(); + ~CCodec_JpegDecoder(); + FX_BOOL Create(const uint8_t* src_buf, + FX_DWORD src_size, + int width, + int height, + int nComps, + FX_BOOL ColorTransform, + IFX_JpegProvider* pJP); + virtual void Destroy() { delete this; } + virtual void v_DownScale(int dest_width, int dest_height); + virtual FX_BOOL v_Rewind(); + virtual uint8_t* v_GetNextLine(); + virtual FX_DWORD GetSrcOffset(); + jmp_buf m_JmpBuf; + struct jpeg_decompress_struct cinfo; + struct jpeg_error_mgr jerr; + struct jpeg_source_mgr src; + const uint8_t* m_SrcBuf; + FX_DWORD m_SrcSize; + uint8_t* m_pScanlineBuf; + FX_BOOL InitDecode(); + FX_BOOL m_bInited, m_bStarted, m_bJpegTransform; + + protected: + IFX_JpegProvider* m_pExtProvider; + void* m_pExtContext; + FX_DWORD m_nDefaultScaleDenom; }; -CCodec_JpegDecoder::CCodec_JpegDecoder() -{ - m_pScanlineBuf = NULL; - m_DownScale = 1; - m_bStarted = FALSE; - m_bInited = FALSE; - m_pExtProvider = NULL; - m_pExtContext = NULL; - FXSYS_memset(&cinfo, 0, sizeof(cinfo)); - FXSYS_memset(&jerr, 0, sizeof(jerr)); - FXSYS_memset(&src, 0, sizeof(src)); - m_nDefaultScaleDenom = 1; -} -CCodec_JpegDecoder::~CCodec_JpegDecoder() -{ - if (m_pExtProvider) { - m_pExtProvider->DestroyDecoder(m_pExtContext); - return; - } - if (m_pScanlineBuf) { - FX_Free(m_pScanlineBuf); - } - if (m_bInited) { - jpeg_destroy_decompress(&cinfo); - } +CCodec_JpegDecoder::CCodec_JpegDecoder() { + m_pScanlineBuf = NULL; + m_DownScale = 1; + m_bStarted = FALSE; + m_bInited = FALSE; + m_pExtProvider = NULL; + m_pExtContext = NULL; + FXSYS_memset(&cinfo, 0, sizeof(cinfo)); + FXSYS_memset(&jerr, 0, sizeof(jerr)); + FXSYS_memset(&src, 0, sizeof(src)); + m_nDefaultScaleDenom = 1; } -FX_BOOL CCodec_JpegDecoder::InitDecode() -{ - cinfo.err = &jerr; - cinfo.client_data = &m_JmpBuf; - if (setjmp(m_JmpBuf) == -1) { - return FALSE; - } - jpeg_create_decompress(&cinfo); - m_bInited = TRUE; - cinfo.src = &src; - src.bytes_in_buffer = m_SrcSize; - src.next_input_byte = m_SrcBuf; - if (setjmp(m_JmpBuf) == -1) { - jpeg_destroy_decompress(&cinfo); - m_bInited = FALSE; - return FALSE; - } - cinfo.image_width = m_OrigWidth; - cinfo.image_height = m_OrigHeight; - int ret = jpeg_read_header(&cinfo, TRUE); - if (ret != JPEG_HEADER_OK) { - return FALSE; - } - if (cinfo.saw_Adobe_marker) { - m_bJpegTransform = TRUE; - } - if (cinfo.num_components == 3 && !m_bJpegTransform) { - cinfo.out_color_space = cinfo.jpeg_color_space; - } - m_OrigWidth = cinfo.image_width; - m_OrigHeight = cinfo.image_height; - m_OutputWidth = m_OrigWidth; - m_OutputHeight = m_OrigHeight; - m_nDefaultScaleDenom = cinfo.scale_denom; - return TRUE; +CCodec_JpegDecoder::~CCodec_JpegDecoder() { + if (m_pExtProvider) { + m_pExtProvider->DestroyDecoder(m_pExtContext); + return; + } + if (m_pScanlineBuf) { + FX_Free(m_pScanlineBuf); + } + if (m_bInited) { + jpeg_destroy_decompress(&cinfo); + } } -FX_BOOL CCodec_JpegDecoder::Create(const uint8_t* src_buf, FX_DWORD src_size, int width, int height, - int nComps, FX_BOOL ColorTransform, IFX_JpegProvider* pJP) -{ - if (pJP) { - m_pExtProvider = pJP; - m_pExtContext = m_pExtProvider->CreateDecoder(src_buf, src_size, width, height, nComps, ColorTransform); - return m_pExtContext != NULL; - } - _JpegScanSOI(src_buf, src_size); - m_SrcBuf = src_buf; - m_SrcSize = src_size; - jerr.error_exit = _error_fatal; - jerr.emit_message = _error_do_nothing1; - jerr.output_message = _error_do_nothing; - jerr.format_message = _error_do_nothing2; - jerr.reset_error_mgr = _error_do_nothing; - src.init_source = _src_do_nothing; - src.term_source = _src_do_nothing; - src.skip_input_data = _src_skip_data; - src.fill_input_buffer = _src_fill_buffer; - src.resync_to_restart = _src_resync; - m_bJpegTransform = ColorTransform; - if(src_size > 1 && FXSYS_memcmp(src_buf + src_size - 2, "\xFF\xD9", 2) != 0) { - ((uint8_t*)src_buf)[src_size - 2] = 0xFF; - ((uint8_t*)src_buf)[src_size - 1] = 0xD9; - } - m_OutputWidth = m_OrigWidth = width; - m_OutputHeight = m_OrigHeight = height; - if (!InitDecode()) { - return FALSE; - } - if (cinfo.num_components < nComps) { - return FALSE; - } - if ((int)cinfo.image_width < width) { - return FALSE; - } - m_Pitch = (cinfo.image_width * cinfo.num_components + 3) / 4 * 4; - m_pScanlineBuf = FX_Alloc(uint8_t, m_Pitch); - m_nComps = cinfo.num_components; - m_bpc = 8; - m_bColorTransformed = FALSE; - m_bStarted = FALSE; - return TRUE; +FX_BOOL CCodec_JpegDecoder::InitDecode() { + cinfo.err = &jerr; + cinfo.client_data = &m_JmpBuf; + if (setjmp(m_JmpBuf) == -1) { + return FALSE; + } + jpeg_create_decompress(&cinfo); + m_bInited = TRUE; + cinfo.src = &src; + src.bytes_in_buffer = m_SrcSize; + src.next_input_byte = m_SrcBuf; + if (setjmp(m_JmpBuf) == -1) { + jpeg_destroy_decompress(&cinfo); + m_bInited = FALSE; + return FALSE; + } + cinfo.image_width = m_OrigWidth; + cinfo.image_height = m_OrigHeight; + int ret = jpeg_read_header(&cinfo, TRUE); + if (ret != JPEG_HEADER_OK) { + return FALSE; + } + if (cinfo.saw_Adobe_marker) { + m_bJpegTransform = TRUE; + } + if (cinfo.num_components == 3 && !m_bJpegTransform) { + cinfo.out_color_space = cinfo.jpeg_color_space; + } + m_OrigWidth = cinfo.image_width; + m_OrigHeight = cinfo.image_height; + m_OutputWidth = m_OrigWidth; + m_OutputHeight = m_OrigHeight; + m_nDefaultScaleDenom = cinfo.scale_denom; + return TRUE; +} +FX_BOOL CCodec_JpegDecoder::Create(const uint8_t* src_buf, + FX_DWORD src_size, + int width, + int height, + int nComps, + FX_BOOL ColorTransform, + IFX_JpegProvider* pJP) { + if (pJP) { + m_pExtProvider = pJP; + m_pExtContext = m_pExtProvider->CreateDecoder( + src_buf, src_size, width, height, nComps, ColorTransform); + return m_pExtContext != NULL; + } + _JpegScanSOI(src_buf, src_size); + m_SrcBuf = src_buf; + m_SrcSize = src_size; + jerr.error_exit = _error_fatal; + jerr.emit_message = _error_do_nothing1; + jerr.output_message = _error_do_nothing; + jerr.format_message = _error_do_nothing2; + jerr.reset_error_mgr = _error_do_nothing; + src.init_source = _src_do_nothing; + src.term_source = _src_do_nothing; + src.skip_input_data = _src_skip_data; + src.fill_input_buffer = _src_fill_buffer; + src.resync_to_restart = _src_resync; + m_bJpegTransform = ColorTransform; + if (src_size > 1 && + FXSYS_memcmp(src_buf + src_size - 2, "\xFF\xD9", 2) != 0) { + ((uint8_t*)src_buf)[src_size - 2] = 0xFF; + ((uint8_t*)src_buf)[src_size - 1] = 0xD9; + } + m_OutputWidth = m_OrigWidth = width; + m_OutputHeight = m_OrigHeight = height; + if (!InitDecode()) { + return FALSE; + } + if (cinfo.num_components < nComps) { + return FALSE; + } + if ((int)cinfo.image_width < width) { + return FALSE; + } + m_Pitch = (cinfo.image_width * cinfo.num_components + 3) / 4 * 4; + m_pScanlineBuf = FX_Alloc(uint8_t, m_Pitch); + m_nComps = cinfo.num_components; + m_bpc = 8; + m_bColorTransformed = FALSE; + m_bStarted = FALSE; + return TRUE; } extern "C" { - int32_t FX_GetDownsampleRatio(int32_t originWidth, int32_t originHeight, int32_t downsampleWidth, int32_t downsampleHeight) - { - int iratio_w = originWidth / downsampleWidth; - int iratio_h = originHeight / downsampleHeight; - int ratio = (iratio_w > iratio_h) ? iratio_h : iratio_w; - if (ratio >= 8) { - return 8; - } - if (ratio >= 4) { - return 4; - } - if (ratio >= 2) { - return 2; - } - return 1; - } +int32_t FX_GetDownsampleRatio(int32_t originWidth, + int32_t originHeight, + int32_t downsampleWidth, + int32_t downsampleHeight) { + int iratio_w = originWidth / downsampleWidth; + int iratio_h = originHeight / downsampleHeight; + int ratio = (iratio_w > iratio_h) ? iratio_h : iratio_w; + if (ratio >= 8) { + return 8; + } + if (ratio >= 4) { + return 4; + } + if (ratio >= 2) { + return 2; + } + return 1; } -void CCodec_JpegDecoder::v_DownScale(int dest_width, int dest_height) -{ - if (m_pExtProvider) { - m_pExtProvider->DownScale(m_pExtContext, dest_width, dest_height); - return; - } - int old_scale = m_DownScale; - m_DownScale = FX_GetDownsampleRatio(m_OrigWidth, m_OrigHeight, dest_width, dest_height); - m_OutputWidth = (m_OrigWidth + m_DownScale - 1) / m_DownScale; - m_OutputHeight = (m_OrigHeight + m_DownScale - 1) / m_DownScale; - m_Pitch = (m_OutputWidth * m_nComps + 3) / 4 * 4; - if (old_scale != m_DownScale) { - m_NextLine = -1; - } } -FX_BOOL CCodec_JpegDecoder::v_Rewind() -{ - if (m_pExtProvider) { - return m_pExtProvider->Rewind(m_pExtContext); - } - if (m_bStarted) { - jpeg_destroy_decompress(&cinfo); - if (!InitDecode()) { - return FALSE; - } - } - if (setjmp(m_JmpBuf) == -1) { - return FALSE; - } - cinfo.scale_denom = m_nDefaultScaleDenom * m_DownScale; - m_OutputWidth = (m_OrigWidth + m_DownScale - 1) / m_DownScale; - m_OutputHeight = (m_OrigHeight + m_DownScale - 1) / m_DownScale; - if (!jpeg_start_decompress(&cinfo)) { - jpeg_destroy_decompress(&cinfo); - return FALSE; - } - if ((int)cinfo.output_width > m_OrigWidth) { - FXSYS_assert(FALSE); - return FALSE; - } - m_bStarted = TRUE; - return TRUE; +void CCodec_JpegDecoder::v_DownScale(int dest_width, int dest_height) { + if (m_pExtProvider) { + m_pExtProvider->DownScale(m_pExtContext, dest_width, dest_height); + return; + } + int old_scale = m_DownScale; + m_DownScale = + FX_GetDownsampleRatio(m_OrigWidth, m_OrigHeight, dest_width, dest_height); + m_OutputWidth = (m_OrigWidth + m_DownScale - 1) / m_DownScale; + m_OutputHeight = (m_OrigHeight + m_DownScale - 1) / m_DownScale; + m_Pitch = (m_OutputWidth * m_nComps + 3) / 4 * 4; + if (old_scale != m_DownScale) { + m_NextLine = -1; + } } -uint8_t* CCodec_JpegDecoder::v_GetNextLine() -{ - if (m_pExtProvider) { - return m_pExtProvider->GetNextLine(m_pExtContext); - } - int nlines = jpeg_read_scanlines(&cinfo, &m_pScanlineBuf, 1); - if (nlines < 1) { - return NULL; +FX_BOOL CCodec_JpegDecoder::v_Rewind() { + if (m_pExtProvider) { + return m_pExtProvider->Rewind(m_pExtContext); + } + if (m_bStarted) { + jpeg_destroy_decompress(&cinfo); + if (!InitDecode()) { + return FALSE; } - return m_pScanlineBuf; + } + if (setjmp(m_JmpBuf) == -1) { + return FALSE; + } + cinfo.scale_denom = m_nDefaultScaleDenom * m_DownScale; + m_OutputWidth = (m_OrigWidth + m_DownScale - 1) / m_DownScale; + m_OutputHeight = (m_OrigHeight + m_DownScale - 1) / m_DownScale; + if (!jpeg_start_decompress(&cinfo)) { + jpeg_destroy_decompress(&cinfo); + return FALSE; + } + if ((int)cinfo.output_width > m_OrigWidth) { + FXSYS_assert(FALSE); + return FALSE; + } + m_bStarted = TRUE; + return TRUE; } -FX_DWORD CCodec_JpegDecoder::GetSrcOffset() -{ - if (m_pExtProvider) { - return m_pExtProvider->GetSrcOffset(m_pExtContext); - } - return (FX_DWORD)(m_SrcSize - src.bytes_in_buffer); +uint8_t* CCodec_JpegDecoder::v_GetNextLine() { + if (m_pExtProvider) { + return m_pExtProvider->GetNextLine(m_pExtContext); + } + int nlines = jpeg_read_scanlines(&cinfo, &m_pScanlineBuf, 1); + if (nlines < 1) { + return NULL; + } + return m_pScanlineBuf; } -ICodec_ScanlineDecoder* CCodec_JpegModule::CreateDecoder(const uint8_t* src_buf, FX_DWORD src_size, - int width, int height, int nComps, FX_BOOL ColorTransform) -{ - if (src_buf == NULL || src_size == 0) { - return NULL; - } - CCodec_JpegDecoder* pDecoder = new CCodec_JpegDecoder; - if (!pDecoder->Create(src_buf, src_size, width, height, nComps, ColorTransform, m_pExtProvider)) { - delete pDecoder; - return NULL; - } - return pDecoder; -} -FX_BOOL CCodec_JpegModule::LoadInfo(const uint8_t* src_buf, FX_DWORD src_size, int& width, int& height, - int& num_components, int& bits_per_components, FX_BOOL& color_transform, - uint8_t** icc_buf_ptr, FX_DWORD* icc_length) -{ - if (m_pExtProvider) { - return m_pExtProvider->LoadInfo(src_buf, src_size, width, height, - num_components, bits_per_components, color_transform, - icc_buf_ptr, icc_length); - } - return _JpegLoadInfo(src_buf, src_size, width, height, num_components, bits_per_components, color_transform, icc_buf_ptr, icc_length); +FX_DWORD CCodec_JpegDecoder::GetSrcOffset() { + if (m_pExtProvider) { + return m_pExtProvider->GetSrcOffset(m_pExtContext); + } + return (FX_DWORD)(m_SrcSize - src.bytes_in_buffer); } -FX_BOOL CCodec_JpegModule::Encode(const CFX_DIBSource* pSource, uint8_t*& dest_buf, FX_STRSIZE& dest_size, int quality, const uint8_t* icc_buf, FX_DWORD icc_length) -{ - if (m_pExtProvider) { - return m_pExtProvider->Encode(pSource, dest_buf, dest_size, quality, icc_buf, icc_length); - } - if(pSource->GetBPP() < 8 || pSource->GetPalette() != NULL) { - ASSERT(pSource->GetBPP() >= 8 && pSource->GetPalette() == NULL); - return FALSE; - } - _JpegEncode(pSource, dest_buf, dest_size, quality, icc_buf, icc_length); - return TRUE; +ICodec_ScanlineDecoder* CCodec_JpegModule::CreateDecoder( + const uint8_t* src_buf, + FX_DWORD src_size, + int width, + int height, + int nComps, + FX_BOOL ColorTransform) { + if (src_buf == NULL || src_size == 0) { + return NULL; + } + CCodec_JpegDecoder* pDecoder = new CCodec_JpegDecoder; + if (!pDecoder->Create(src_buf, src_size, width, height, nComps, + ColorTransform, m_pExtProvider)) { + delete pDecoder; + return NULL; + } + return pDecoder; +} +FX_BOOL CCodec_JpegModule::LoadInfo(const uint8_t* src_buf, + FX_DWORD src_size, + int& width, + int& height, + int& num_components, + int& bits_per_components, + FX_BOOL& color_transform, + uint8_t** icc_buf_ptr, + FX_DWORD* icc_length) { + if (m_pExtProvider) { + return m_pExtProvider->LoadInfo(src_buf, src_size, width, height, + num_components, bits_per_components, + color_transform, icc_buf_ptr, icc_length); + } + return _JpegLoadInfo(src_buf, src_size, width, height, num_components, + bits_per_components, color_transform, icc_buf_ptr, + icc_length); +} +FX_BOOL CCodec_JpegModule::Encode(const CFX_DIBSource* pSource, + uint8_t*& dest_buf, + FX_STRSIZE& dest_size, + int quality, + const uint8_t* icc_buf, + FX_DWORD icc_length) { + if (m_pExtProvider) { + return m_pExtProvider->Encode(pSource, dest_buf, dest_size, quality, + icc_buf, icc_length); + } + if (pSource->GetBPP() < 8 || pSource->GetPalette() != NULL) { + ASSERT(pSource->GetBPP() >= 8 && pSource->GetPalette() == NULL); + return FALSE; + } + _JpegEncode(pSource, dest_buf, dest_size, quality, icc_buf, icc_length); + return TRUE; } struct FXJPEG_Context { - jmp_buf m_JumpMark; - jpeg_decompress_struct m_Info; - jpeg_error_mgr m_ErrMgr; - jpeg_source_mgr m_SrcMgr; - unsigned int m_SkipSize; - void* (*m_AllocFunc)(unsigned int); - void (*m_FreeFunc)(void*); + jmp_buf m_JumpMark; + jpeg_decompress_struct m_Info; + jpeg_error_mgr m_ErrMgr; + jpeg_source_mgr m_SrcMgr; + unsigned int m_SkipSize; + void* (*m_AllocFunc)(unsigned int); + void (*m_FreeFunc)(void*); }; extern "C" { - static void _error_fatal1(j_common_ptr cinfo) - { - longjmp(((FXJPEG_Context*)cinfo->client_data)->m_JumpMark, -1); - } +static void _error_fatal1(j_common_ptr cinfo) { + longjmp(((FXJPEG_Context*)cinfo->client_data)->m_JumpMark, -1); +} }; extern "C" { - static void _src_skip_data1(struct jpeg_decompress_struct* cinfo, long num) - { - if (cinfo->src->bytes_in_buffer < (size_t)num) { - ((FXJPEG_Context*)cinfo->client_data)->m_SkipSize = (unsigned int)(num - cinfo->src->bytes_in_buffer); - cinfo->src->bytes_in_buffer = 0; - } else { - cinfo->src->next_input_byte += num; - cinfo->src->bytes_in_buffer -= num; - } - } +static void _src_skip_data1(struct jpeg_decompress_struct* cinfo, long num) { + if (cinfo->src->bytes_in_buffer < (size_t)num) { + ((FXJPEG_Context*)cinfo->client_data)->m_SkipSize = + (unsigned int)(num - cinfo->src->bytes_in_buffer); + cinfo->src->bytes_in_buffer = 0; + } else { + cinfo->src->next_input_byte += num; + cinfo->src->bytes_in_buffer -= num; + } +} }; -static void* jpeg_alloc_func(unsigned int size) -{ - return FX_Alloc(char, size); -} -static void jpeg_free_func(void* p) -{ - FX_Free(p); -} -void* CCodec_JpegModule::Start() -{ - if (m_pExtProvider) { - return m_pExtProvider->Start(); - } - FXJPEG_Context* p = (FXJPEG_Context*)FX_Alloc(uint8_t, sizeof(FXJPEG_Context)); - p->m_AllocFunc = jpeg_alloc_func; - p->m_FreeFunc = jpeg_free_func; - p->m_ErrMgr.error_exit = _error_fatal1; - p->m_ErrMgr.emit_message = _error_do_nothing1; - p->m_ErrMgr.output_message = _error_do_nothing; - p->m_ErrMgr.format_message = _error_do_nothing2; - p->m_ErrMgr.reset_error_mgr = _error_do_nothing; - p->m_SrcMgr.init_source = _src_do_nothing; - p->m_SrcMgr.term_source = _src_do_nothing; - p->m_SrcMgr.skip_input_data = _src_skip_data1; - p->m_SrcMgr.fill_input_buffer = _src_fill_buffer; - p->m_SrcMgr.resync_to_restart = _src_resync; - p->m_Info.client_data = p; - p->m_Info.err = &p->m_ErrMgr; - if (setjmp(p->m_JumpMark) == -1) { - return 0; - } - jpeg_create_decompress(&p->m_Info); - p->m_Info.src = &p->m_SrcMgr; - p->m_SkipSize = 0; - return p; +static void* jpeg_alloc_func(unsigned int size) { + return FX_Alloc(char, size); } -void CCodec_JpegModule::Finish(void* pContext) -{ - if (m_pExtProvider) { - m_pExtProvider->Finish(pContext); - return; - } - FXJPEG_Context* p = (FXJPEG_Context*)pContext; - jpeg_destroy_decompress(&p->m_Info); - p->m_FreeFunc(p); -} -void CCodec_JpegModule::Input(void* pContext, const unsigned char* src_buf, FX_DWORD src_size) -{ - if (m_pExtProvider) { - m_pExtProvider->Input(pContext, src_buf, src_size); - return; - } - FXJPEG_Context* p = (FXJPEG_Context*)pContext; - if (p->m_SkipSize) { - if (p->m_SkipSize > src_size) { - p->m_SrcMgr.bytes_in_buffer = 0; - p->m_SkipSize -= src_size; - return; - } - src_size -= p->m_SkipSize; - src_buf += p->m_SkipSize; - p->m_SkipSize = 0; - } - p->m_SrcMgr.next_input_byte = src_buf; - p->m_SrcMgr.bytes_in_buffer = src_size; +static void jpeg_free_func(void* p) { + FX_Free(p); } -int CCodec_JpegModule::ReadHeader(void* pContext, int* width, int* height, int* nComps, CFX_DIBAttribute* pAttribute) -{ - if (m_pExtProvider) { - return m_pExtProvider->ReadHeader(pContext, width, height, nComps, pAttribute); - } - FXJPEG_Context* p = (FXJPEG_Context*)pContext; - if (setjmp(p->m_JumpMark) == -1) { - return 1; - } - int ret = jpeg_read_header(&p->m_Info, true); - if (ret == JPEG_SUSPENDED) { - return 2; - } - if (ret != JPEG_HEADER_OK) { - return 1; - } - *width = p->m_Info.image_width; - *height = p->m_Info.image_height; - *nComps = p->m_Info.num_components; - _JpegLoadAttribute(&p->m_Info, pAttribute); +void* CCodec_JpegModule::Start() { + if (m_pExtProvider) { + return m_pExtProvider->Start(); + } + FXJPEG_Context* p = + (FXJPEG_Context*)FX_Alloc(uint8_t, sizeof(FXJPEG_Context)); + p->m_AllocFunc = jpeg_alloc_func; + p->m_FreeFunc = jpeg_free_func; + p->m_ErrMgr.error_exit = _error_fatal1; + p->m_ErrMgr.emit_message = _error_do_nothing1; + p->m_ErrMgr.output_message = _error_do_nothing; + p->m_ErrMgr.format_message = _error_do_nothing2; + p->m_ErrMgr.reset_error_mgr = _error_do_nothing; + p->m_SrcMgr.init_source = _src_do_nothing; + p->m_SrcMgr.term_source = _src_do_nothing; + p->m_SrcMgr.skip_input_data = _src_skip_data1; + p->m_SrcMgr.fill_input_buffer = _src_fill_buffer; + p->m_SrcMgr.resync_to_restart = _src_resync; + p->m_Info.client_data = p; + p->m_Info.err = &p->m_ErrMgr; + if (setjmp(p->m_JumpMark) == -1) { return 0; + } + jpeg_create_decompress(&p->m_Info); + p->m_Info.src = &p->m_SrcMgr; + p->m_SkipSize = 0; + return p; } -int CCodec_JpegModule::StartScanline(void* pContext, int down_scale) -{ - if (m_pExtProvider) { - return m_pExtProvider->StartScanline(pContext, down_scale); - } - FXJPEG_Context* p = (FXJPEG_Context*)pContext; - if (setjmp(p->m_JumpMark) == -1) { - return 0; - } - p->m_Info.scale_denom = down_scale; - return jpeg_start_decompress(&p->m_Info); +void CCodec_JpegModule::Finish(void* pContext) { + if (m_pExtProvider) { + m_pExtProvider->Finish(pContext); + return; + } + FXJPEG_Context* p = (FXJPEG_Context*)pContext; + jpeg_destroy_decompress(&p->m_Info); + p->m_FreeFunc(p); } -FX_BOOL CCodec_JpegModule::ReadScanline(void* pContext, unsigned char* dest_buf) -{ - if (m_pExtProvider) { - return m_pExtProvider->ReadScanline(pContext, dest_buf); - } - FXJPEG_Context* p = (FXJPEG_Context*)pContext; - if (setjmp(p->m_JumpMark) == -1) { - return FALSE; - } - int nlines = jpeg_read_scanlines(&p->m_Info, &dest_buf, 1); - return nlines == 1; +void CCodec_JpegModule::Input(void* pContext, + const unsigned char* src_buf, + FX_DWORD src_size) { + if (m_pExtProvider) { + m_pExtProvider->Input(pContext, src_buf, src_size); + return; + } + FXJPEG_Context* p = (FXJPEG_Context*)pContext; + if (p->m_SkipSize) { + if (p->m_SkipSize > src_size) { + p->m_SrcMgr.bytes_in_buffer = 0; + p->m_SkipSize -= src_size; + return; + } + src_size -= p->m_SkipSize; + src_buf += p->m_SkipSize; + p->m_SkipSize = 0; + } + p->m_SrcMgr.next_input_byte = src_buf; + p->m_SrcMgr.bytes_in_buffer = src_size; } -FX_DWORD CCodec_JpegModule::GetAvailInput(void* pContext, uint8_t** avail_buf_ptr) -{ - if (m_pExtProvider) { - return m_pExtProvider->GetAvailInput(pContext, avail_buf_ptr); - } - if(avail_buf_ptr != NULL) { - *avail_buf_ptr = NULL; - if(((FXJPEG_Context*)pContext)->m_SrcMgr.bytes_in_buffer > 0) { - *avail_buf_ptr = (uint8_t*)((FXJPEG_Context*)pContext)->m_SrcMgr.next_input_byte; - } - } - return (FX_DWORD)((FXJPEG_Context*)pContext)->m_SrcMgr.bytes_in_buffer; +int CCodec_JpegModule::ReadHeader(void* pContext, + int* width, + int* height, + int* nComps, + CFX_DIBAttribute* pAttribute) { + if (m_pExtProvider) { + return m_pExtProvider->ReadHeader(pContext, width, height, nComps, + pAttribute); + } + FXJPEG_Context* p = (FXJPEG_Context*)pContext; + if (setjmp(p->m_JumpMark) == -1) { + return 1; + } + int ret = jpeg_read_header(&p->m_Info, true); + if (ret == JPEG_SUSPENDED) { + return 2; + } + if (ret != JPEG_HEADER_OK) { + return 1; + } + *width = p->m_Info.image_width; + *height = p->m_Info.image_height; + *nComps = p->m_Info.num_components; + _JpegLoadAttribute(&p->m_Info, pAttribute); + return 0; +} +int CCodec_JpegModule::StartScanline(void* pContext, int down_scale) { + if (m_pExtProvider) { + return m_pExtProvider->StartScanline(pContext, down_scale); + } + FXJPEG_Context* p = (FXJPEG_Context*)pContext; + if (setjmp(p->m_JumpMark) == -1) { + return 0; + } + p->m_Info.scale_denom = down_scale; + return jpeg_start_decompress(&p->m_Info); +} +FX_BOOL CCodec_JpegModule::ReadScanline(void* pContext, + unsigned char* dest_buf) { + if (m_pExtProvider) { + return m_pExtProvider->ReadScanline(pContext, dest_buf); + } + FXJPEG_Context* p = (FXJPEG_Context*)pContext; + if (setjmp(p->m_JumpMark) == -1) { + return FALSE; + } + int nlines = jpeg_read_scanlines(&p->m_Info, &dest_buf, 1); + return nlines == 1; +} +FX_DWORD CCodec_JpegModule::GetAvailInput(void* pContext, + uint8_t** avail_buf_ptr) { + if (m_pExtProvider) { + return m_pExtProvider->GetAvailInput(pContext, avail_buf_ptr); + } + if (avail_buf_ptr != NULL) { + *avail_buf_ptr = NULL; + if (((FXJPEG_Context*)pContext)->m_SrcMgr.bytes_in_buffer > 0) { + *avail_buf_ptr = + (uint8_t*)((FXJPEG_Context*)pContext)->m_SrcMgr.next_input_byte; + } + } + return (FX_DWORD)((FXJPEG_Context*)pContext)->m_SrcMgr.bytes_in_buffer; } diff --git a/core/src/fxcodec/codec/fx_codec_jpx_opj.cpp b/core/src/fxcodec/codec/fx_codec_jpx_opj.cpp index 2d395b0b4b..e1b9d255de 100644 --- a/core/src/fxcodec/codec/fx_codec_jpx_opj.cpp +++ b/core/src/fxcodec/codec/fx_codec_jpx_opj.cpp @@ -12,795 +12,841 @@ #include "../../../include/fxcodec/fx_codec.h" #include "codec_int.h" -static void fx_error_callback(const char *msg, void *client_data) -{ - (void)client_data; +static void fx_error_callback(const char* msg, void* client_data) { + (void)client_data; } -static void fx_warning_callback(const char *msg, void *client_data) -{ - (void)client_data; +static void fx_warning_callback(const char* msg, void* client_data) { + (void)client_data; } -static void fx_info_callback(const char *msg, void *client_data) -{ - (void)client_data; +static void fx_info_callback(const char* msg, void* client_data) { + (void)client_data; } -OPJ_SIZE_T opj_read_from_memory(void* p_buffer, OPJ_SIZE_T nb_bytes, void* p_user_data) -{ - DecodeData* srcData = static_cast<DecodeData*>(p_user_data); - if (!srcData || !srcData->src_data || srcData->src_size == 0) { - return -1; - } - // Reads at EOF return an error code. - if (srcData->offset >= srcData->src_size) { - return -1; - } - OPJ_SIZE_T bufferLength = srcData->src_size - srcData->offset; - OPJ_SIZE_T readlength = nb_bytes < bufferLength ? nb_bytes : bufferLength; - memcpy(p_buffer, &srcData->src_data[srcData->offset], readlength); - srcData->offset += readlength; - return readlength; +OPJ_SIZE_T opj_read_from_memory(void* p_buffer, + OPJ_SIZE_T nb_bytes, + void* p_user_data) { + DecodeData* srcData = static_cast<DecodeData*>(p_user_data); + if (!srcData || !srcData->src_data || srcData->src_size == 0) { + return -1; + } + // Reads at EOF return an error code. + if (srcData->offset >= srcData->src_size) { + return -1; + } + OPJ_SIZE_T bufferLength = srcData->src_size - srcData->offset; + OPJ_SIZE_T readlength = nb_bytes < bufferLength ? nb_bytes : bufferLength; + memcpy(p_buffer, &srcData->src_data[srcData->offset], readlength); + srcData->offset += readlength; + return readlength; } -OPJ_SIZE_T opj_write_from_memory(void* p_buffer, OPJ_SIZE_T nb_bytes, void* p_user_data) -{ - DecodeData* srcData = static_cast<DecodeData*>(p_user_data); - if (!srcData || !srcData->src_data || srcData->src_size == 0) { - return -1; - } - // Writes at EOF return an error code. - if (srcData->offset >= srcData->src_size) { - return -1; - } - OPJ_SIZE_T bufferLength = srcData->src_size - srcData->offset; - OPJ_SIZE_T writeLength = nb_bytes < bufferLength ? nb_bytes : bufferLength; - memcpy(&srcData->src_data[srcData->offset], p_buffer, writeLength); - srcData->offset += writeLength; - return writeLength; +OPJ_SIZE_T opj_write_from_memory(void* p_buffer, + OPJ_SIZE_T nb_bytes, + void* p_user_data) { + DecodeData* srcData = static_cast<DecodeData*>(p_user_data); + if (!srcData || !srcData->src_data || srcData->src_size == 0) { + return -1; + } + // Writes at EOF return an error code. + if (srcData->offset >= srcData->src_size) { + return -1; + } + OPJ_SIZE_T bufferLength = srcData->src_size - srcData->offset; + OPJ_SIZE_T writeLength = nb_bytes < bufferLength ? nb_bytes : bufferLength; + memcpy(&srcData->src_data[srcData->offset], p_buffer, writeLength); + srcData->offset += writeLength; + return writeLength; } -OPJ_OFF_T opj_skip_from_memory(OPJ_OFF_T nb_bytes, void* p_user_data) -{ - DecodeData* srcData = static_cast<DecodeData*>(p_user_data); - if (!srcData || !srcData->src_data || srcData->src_size == 0) { - return -1; - } - // Offsets are signed and may indicate a negative skip. Do not support this - // because of the strange return convention where either bytes skipped or - // -1 is returned. Following that convention, a successful relative seek of - // -1 bytes would be required to to give the same result as the error case. - if (nb_bytes < 0) { - return -1; - } - // FIXME: use std::make_unsigned<OPJ_OFF_T>::type once c++11 lib is OK'd. - uint64_t unsignedNbBytes = static_cast<uint64_t>(nb_bytes); - // Additionally, the offset may take us beyond the range of a size_t (e.g. - // 32-bit platforms). If so, just clamp at EOF. - if (unsignedNbBytes > std::numeric_limits<OPJ_SIZE_T>::max() - srcData->offset) { - srcData->offset = srcData->src_size; - } else { - OPJ_SIZE_T checkedNbBytes = static_cast<OPJ_SIZE_T>(unsignedNbBytes); - // Otherwise, mimic fseek() semantics to always succeed, even past EOF, - // clamping at EOF. We can get away with this since we don't actually - // provide negative relative skips from beyond EOF back to inside the - // data, which would be the only reason to need to know exactly how far - // beyond EOF we are. - srcData->offset = std::min(srcData->offset + checkedNbBytes, srcData->src_size); - } - return nb_bytes; +OPJ_OFF_T opj_skip_from_memory(OPJ_OFF_T nb_bytes, void* p_user_data) { + DecodeData* srcData = static_cast<DecodeData*>(p_user_data); + if (!srcData || !srcData->src_data || srcData->src_size == 0) { + return -1; + } + // Offsets are signed and may indicate a negative skip. Do not support this + // because of the strange return convention where either bytes skipped or + // -1 is returned. Following that convention, a successful relative seek of + // -1 bytes would be required to to give the same result as the error case. + if (nb_bytes < 0) { + return -1; + } + // FIXME: use std::make_unsigned<OPJ_OFF_T>::type once c++11 lib is OK'd. + uint64_t unsignedNbBytes = static_cast<uint64_t>(nb_bytes); + // Additionally, the offset may take us beyond the range of a size_t (e.g. + // 32-bit platforms). If so, just clamp at EOF. + if (unsignedNbBytes > + std::numeric_limits<OPJ_SIZE_T>::max() - srcData->offset) { + srcData->offset = srcData->src_size; + } else { + OPJ_SIZE_T checkedNbBytes = static_cast<OPJ_SIZE_T>(unsignedNbBytes); + // Otherwise, mimic fseek() semantics to always succeed, even past EOF, + // clamping at EOF. We can get away with this since we don't actually + // provide negative relative skips from beyond EOF back to inside the + // data, which would be the only reason to need to know exactly how far + // beyond EOF we are. + srcData->offset = + std::min(srcData->offset + checkedNbBytes, srcData->src_size); + } + return nb_bytes; } -OPJ_BOOL opj_seek_from_memory(OPJ_OFF_T nb_bytes, void* p_user_data) -{ - DecodeData* srcData = static_cast<DecodeData*>(p_user_data); - if (!srcData || !srcData->src_data || srcData->src_size == 0) { - return OPJ_FALSE; - } - // Offsets are signed and may indicate a negative position, which would - // be before the start of the file. Do not support this. - if (nb_bytes < 0) { - return OPJ_FALSE; - } - // FIXME: use std::make_unsigned<OPJ_OFF_T>::type once c++11 lib is OK'd. - uint64_t unsignedNbBytes = static_cast<uint64_t>(nb_bytes); - // Additionally, the offset may take us beyond the range of a size_t (e.g. - // 32-bit platforms). If so, just clamp at EOF. - if (unsignedNbBytes > std::numeric_limits<OPJ_SIZE_T>::max()) { - srcData->offset = srcData->src_size; - } else { - OPJ_SIZE_T checkedNbBytes = static_cast<OPJ_SIZE_T>(nb_bytes); - // Otherwise, mimic fseek() semantics to always succeed, even past EOF, - // again clamping at EOF. - srcData->offset = std::min(checkedNbBytes, srcData->src_size); - } - return OPJ_TRUE; +OPJ_BOOL opj_seek_from_memory(OPJ_OFF_T nb_bytes, void* p_user_data) { + DecodeData* srcData = static_cast<DecodeData*>(p_user_data); + if (!srcData || !srcData->src_data || srcData->src_size == 0) { + return OPJ_FALSE; + } + // Offsets are signed and may indicate a negative position, which would + // be before the start of the file. Do not support this. + if (nb_bytes < 0) { + return OPJ_FALSE; + } + // FIXME: use std::make_unsigned<OPJ_OFF_T>::type once c++11 lib is OK'd. + uint64_t unsignedNbBytes = static_cast<uint64_t>(nb_bytes); + // Additionally, the offset may take us beyond the range of a size_t (e.g. + // 32-bit platforms). If so, just clamp at EOF. + if (unsignedNbBytes > std::numeric_limits<OPJ_SIZE_T>::max()) { + srcData->offset = srcData->src_size; + } else { + OPJ_SIZE_T checkedNbBytes = static_cast<OPJ_SIZE_T>(nb_bytes); + // Otherwise, mimic fseek() semantics to always succeed, even past EOF, + // again clamping at EOF. + srcData->offset = std::min(checkedNbBytes, srcData->src_size); + } + return OPJ_TRUE; } -opj_stream_t* fx_opj_stream_create_memory_stream (DecodeData* data, OPJ_SIZE_T p_size, OPJ_BOOL p_is_read_stream) -{ - opj_stream_t* l_stream = 00; - if (!data || ! data->src_data || data->src_size <= 0 ) { - return NULL; - } - l_stream = opj_stream_create(p_size, p_is_read_stream); - if (! l_stream) { - return NULL; - } - opj_stream_set_user_data(l_stream, data, NULL); - opj_stream_set_user_data_length(l_stream, data->src_size); - opj_stream_set_read_function(l_stream, opj_read_from_memory); - opj_stream_set_write_function(l_stream, opj_write_from_memory); - opj_stream_set_skip_function(l_stream, opj_skip_from_memory); - opj_stream_set_seek_function(l_stream, opj_seek_from_memory); - return l_stream; +opj_stream_t* fx_opj_stream_create_memory_stream(DecodeData* data, + OPJ_SIZE_T p_size, + OPJ_BOOL p_is_read_stream) { + opj_stream_t* l_stream = 00; + if (!data || !data->src_data || data->src_size <= 0) { + return NULL; + } + l_stream = opj_stream_create(p_size, p_is_read_stream); + if (!l_stream) { + return NULL; + } + opj_stream_set_user_data(l_stream, data, NULL); + opj_stream_set_user_data_length(l_stream, data->src_size); + opj_stream_set_read_function(l_stream, opj_read_from_memory); + opj_stream_set_write_function(l_stream, opj_write_from_memory); + opj_stream_set_skip_function(l_stream, opj_skip_from_memory); + opj_stream_set_seek_function(l_stream, opj_seek_from_memory); + return l_stream; } -static void sycc_to_rgb(int offset, int upb, int y, int cb, int cr, - int *out_r, int *out_g, int *out_b) -{ - int r, g, b; - cb -= offset; - cr -= offset; - r = y + (int)(1.402 * (float)cr); - if(r < 0) { - r = 0; - } else if(r > upb) { - r = upb; - } *out_r = r; - g = y - (int)(0.344 * (float)cb + 0.714 * (float)cr); - if(g < 0) { - g = 0; - } else if(g > upb) { - g = upb; - } *out_g = g; - b = y + (int)(1.772 * (float)cb); - if(b < 0) { - b = 0; - } else if(b > upb) { - b = upb; - } *out_b = b; +static void sycc_to_rgb(int offset, + int upb, + int y, + int cb, + int cr, + int* out_r, + int* out_g, + int* out_b) { + int r, g, b; + cb -= offset; + cr -= offset; + r = y + (int)(1.402 * (float)cr); + if (r < 0) { + r = 0; + } else if (r > upb) { + r = upb; + } + *out_r = r; + g = y - (int)(0.344 * (float)cb + 0.714 * (float)cr); + if (g < 0) { + g = 0; + } else if (g > upb) { + g = upb; + } + *out_g = g; + b = y + (int)(1.772 * (float)cb); + if (b < 0) { + b = 0; + } else if (b > upb) { + b = upb; + } + *out_b = b; } -static void sycc444_to_rgb(opj_image_t *img) -{ - int *d0, *d1, *d2, *r, *g, *b; - const int *y, *cb, *cr; - int maxw, maxh, max, i, offset, upb; - i = (int)img->comps[0].prec; - offset = 1 << (i - 1); - upb = (1 << i) - 1; - maxw = (int)img->comps[0].w; - maxh = (int)img->comps[0].h; - max = maxw * maxh; - y = img->comps[0].data; - cb = img->comps[1].data; - cr = img->comps[2].data; - d0 = r = FX_Alloc(int, (size_t)max); - d1 = g = FX_Alloc(int, (size_t)max); - d2 = b = FX_Alloc(int, (size_t)max); - for(i = 0; i < max; ++i) { - sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b); - ++y; - ++cb; - ++cr; - ++r; - ++g; - ++b; - } - FX_Free(img->comps[0].data); - img->comps[0].data = d0; - FX_Free(img->comps[1].data); - img->comps[1].data = d1; - FX_Free(img->comps[2].data); - img->comps[2].data = d2; +static void sycc444_to_rgb(opj_image_t* img) { + int *d0, *d1, *d2, *r, *g, *b; + const int *y, *cb, *cr; + int maxw, maxh, max, i, offset, upb; + i = (int)img->comps[0].prec; + offset = 1 << (i - 1); + upb = (1 << i) - 1; + maxw = (int)img->comps[0].w; + maxh = (int)img->comps[0].h; + max = maxw * maxh; + y = img->comps[0].data; + cb = img->comps[1].data; + cr = img->comps[2].data; + d0 = r = FX_Alloc(int, (size_t)max); + d1 = g = FX_Alloc(int, (size_t)max); + d2 = b = FX_Alloc(int, (size_t)max); + for (i = 0; i < max; ++i) { + sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b); + ++y; + ++cb; + ++cr; + ++r; + ++g; + ++b; + } + FX_Free(img->comps[0].data); + img->comps[0].data = d0; + FX_Free(img->comps[1].data); + img->comps[1].data = d1; + FX_Free(img->comps[2].data); + img->comps[2].data = d2; } -static void sycc422_to_rgb(opj_image_t *img) -{ - int *d0, *d1, *d2, *r, *g, *b; - const int *y, *cb, *cr; - int maxw, maxh, max, offset, upb; - int i, j; - i = (int)img->comps[0].prec; - offset = 1 << (i - 1); - upb = (1 << i) - 1; - maxw = (int)img->comps[0].w; - maxh = (int)img->comps[0].h; - max = maxw * maxh; - y = img->comps[0].data; - cb = img->comps[1].data; - cr = img->comps[2].data; - d0 = r = FX_Alloc(int, (size_t)max); - d1 = g = FX_Alloc(int, (size_t)max); - d2 = b = FX_Alloc(int, (size_t)max); - for(i = 0; i < maxh; ++i) - { - for (j = 0; (OPJ_UINT32)j < (maxw & ~(OPJ_UINT32)1); j += 2) - { - sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b); - ++y; ++r; ++g; ++b; - sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b); - ++y; ++r; ++g; ++b; ++cb; ++cr; - } - if (j < maxw) - { - sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b); - ++y; ++r; ++g; ++b; ++cb; ++cr; - } - } - FX_Free(img->comps[0].data); - img->comps[0].data = d0; - FX_Free(img->comps[1].data); - img->comps[1].data = d1; - FX_Free(img->comps[2].data); - img->comps[2].data = d2; - img->comps[1].w = maxw; - img->comps[1].h = maxh; - img->comps[2].w = maxw; - img->comps[2].h = maxh; - img->comps[1].w = (OPJ_UINT32)maxw; - img->comps[1].h = (OPJ_UINT32)maxh; - img->comps[2].w = (OPJ_UINT32)maxw; - img->comps[2].h = (OPJ_UINT32)maxh; - img->comps[1].dx = img->comps[0].dx; - img->comps[2].dx = img->comps[0].dx; - img->comps[1].dy = img->comps[0].dy; - img->comps[2].dy = img->comps[0].dy; +static void sycc422_to_rgb(opj_image_t* img) { + int *d0, *d1, *d2, *r, *g, *b; + const int *y, *cb, *cr; + int maxw, maxh, max, offset, upb; + int i, j; + i = (int)img->comps[0].prec; + offset = 1 << (i - 1); + upb = (1 << i) - 1; + maxw = (int)img->comps[0].w; + maxh = (int)img->comps[0].h; + max = maxw * maxh; + y = img->comps[0].data; + cb = img->comps[1].data; + cr = img->comps[2].data; + d0 = r = FX_Alloc(int, (size_t)max); + d1 = g = FX_Alloc(int, (size_t)max); + d2 = b = FX_Alloc(int, (size_t)max); + for (i = 0; i < maxh; ++i) { + for (j = 0; (OPJ_UINT32)j < (maxw & ~(OPJ_UINT32)1); j += 2) { + sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b); + ++y; + ++r; + ++g; + ++b; + sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b); + ++y; + ++r; + ++g; + ++b; + ++cb; + ++cr; + } + if (j < maxw) { + sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b); + ++y; + ++r; + ++g; + ++b; + ++cb; + ++cr; + } + } + FX_Free(img->comps[0].data); + img->comps[0].data = d0; + FX_Free(img->comps[1].data); + img->comps[1].data = d1; + FX_Free(img->comps[2].data); + img->comps[2].data = d2; + img->comps[1].w = maxw; + img->comps[1].h = maxh; + img->comps[2].w = maxw; + img->comps[2].h = maxh; + img->comps[1].w = (OPJ_UINT32)maxw; + img->comps[1].h = (OPJ_UINT32)maxh; + img->comps[2].w = (OPJ_UINT32)maxw; + img->comps[2].h = (OPJ_UINT32)maxh; + img->comps[1].dx = img->comps[0].dx; + img->comps[2].dx = img->comps[0].dx; + img->comps[1].dy = img->comps[0].dy; + img->comps[2].dy = img->comps[0].dy; } -static void sycc420_to_rgb(opj_image_t *img) -{ - int *d0, *d1, *d2, *r, *g, *b, *nr, *ng, *nb; - const int *y, *cb, *cr, *ny; - int maxw, maxh, max, offset, upb; - int i, j; - i = (int)img->comps[0].prec; - offset = 1 << (i - 1); - upb = (1 << i) - 1; - maxw = (int)img->comps[0].w; - maxh = (int)img->comps[0].h; - max = maxw * maxh; - y = img->comps[0].data; - cb = img->comps[1].data; - cr = img->comps[2].data; - d0 = r = FX_Alloc(int, (size_t)max); - d1 = g = FX_Alloc(int, (size_t)max); - d2 = b = FX_Alloc(int, (size_t)max); - for (i = 0; (OPJ_UINT32)i < (maxh & ~(OPJ_UINT32)1); i += 2) - { - ny = y + maxw; - nr = r + maxw; - ng = g + maxw; - nb = b + maxw; - for (j = 0; (OPJ_UINT32)j < (maxw & ~(OPJ_UINT32)1); j += 2) - { - sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b); - ++y; ++r; ++g; ++b; - sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b); - ++y; ++r; ++g; ++b; - sycc_to_rgb(offset, upb, *ny, *cb, *cr, nr, ng, nb); - ++ny; ++nr; ++ng; ++nb; - sycc_to_rgb(offset, upb, *ny, *cb, *cr, nr, ng, nb); - ++ny; ++nr; ++ng; ++nb; ++cb; ++cr; - } - if (j < maxw) - { - sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b); - ++y; ++r; ++g; ++b; - sycc_to_rgb(offset, upb, *ny, *cb, *cr, nr, ng, nb); - ++ny; ++nr; ++ng; ++nb; ++cb; ++cr; - } - y += maxw; r += maxw; g += maxw; b += maxw; - } - if (i < maxh) - { - for (j = 0; (OPJ_UINT32)j < (maxw & ~(OPJ_UINT32)1); j += 2) - { - sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b); - ++y; ++r; ++g; ++b; - sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b); - ++y; ++r; ++g; ++b; ++cb; ++cr; - } - if (j < maxw) - { - sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b); - } - } +static void sycc420_to_rgb(opj_image_t* img) { + int *d0, *d1, *d2, *r, *g, *b, *nr, *ng, *nb; + const int *y, *cb, *cr, *ny; + int maxw, maxh, max, offset, upb; + int i, j; + i = (int)img->comps[0].prec; + offset = 1 << (i - 1); + upb = (1 << i) - 1; + maxw = (int)img->comps[0].w; + maxh = (int)img->comps[0].h; + max = maxw * maxh; + y = img->comps[0].data; + cb = img->comps[1].data; + cr = img->comps[2].data; + d0 = r = FX_Alloc(int, (size_t)max); + d1 = g = FX_Alloc(int, (size_t)max); + d2 = b = FX_Alloc(int, (size_t)max); + for (i = 0; (OPJ_UINT32)i < (maxh & ~(OPJ_UINT32)1); i += 2) { + ny = y + maxw; + nr = r + maxw; + ng = g + maxw; + nb = b + maxw; + for (j = 0; (OPJ_UINT32)j < (maxw & ~(OPJ_UINT32)1); j += 2) { + sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b); + ++y; + ++r; + ++g; + ++b; + sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b); + ++y; + ++r; + ++g; + ++b; + sycc_to_rgb(offset, upb, *ny, *cb, *cr, nr, ng, nb); + ++ny; + ++nr; + ++ng; + ++nb; + sycc_to_rgb(offset, upb, *ny, *cb, *cr, nr, ng, nb); + ++ny; + ++nr; + ++ng; + ++nb; + ++cb; + ++cr; + } + if (j < maxw) { + sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b); + ++y; + ++r; + ++g; + ++b; + sycc_to_rgb(offset, upb, *ny, *cb, *cr, nr, ng, nb); + ++ny; + ++nr; + ++ng; + ++nb; + ++cb; + ++cr; + } + y += maxw; + r += maxw; + g += maxw; + b += maxw; + } + if (i < maxh) { + for (j = 0; (OPJ_UINT32)j < (maxw & ~(OPJ_UINT32)1); j += 2) { + sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b); + ++y; + ++r; + ++g; + ++b; + sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b); + ++y; + ++r; + ++g; + ++b; + ++cb; + ++cr; + } + if (j < maxw) { + sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b); + } + } - FX_Free(img->comps[0].data); - img->comps[0].data = d0; - FX_Free(img->comps[1].data); - img->comps[1].data = d1; - FX_Free(img->comps[2].data); - img->comps[2].data = d2; - img->comps[1].w = maxw; - img->comps[1].h = maxh; - img->comps[2].w = maxw; - img->comps[2].h = maxh; - img->comps[1].w = (OPJ_UINT32)maxw; - img->comps[1].h = (OPJ_UINT32)maxh; - img->comps[2].w = (OPJ_UINT32)maxw; - img->comps[2].h = (OPJ_UINT32)maxh; - img->comps[1].dx = img->comps[0].dx; - img->comps[2].dx = img->comps[0].dx; - img->comps[1].dy = img->comps[0].dy; - img->comps[2].dy = img->comps[0].dy; + FX_Free(img->comps[0].data); + img->comps[0].data = d0; + FX_Free(img->comps[1].data); + img->comps[1].data = d1; + FX_Free(img->comps[2].data); + img->comps[2].data = d2; + img->comps[1].w = maxw; + img->comps[1].h = maxh; + img->comps[2].w = maxw; + img->comps[2].h = maxh; + img->comps[1].w = (OPJ_UINT32)maxw; + img->comps[1].h = (OPJ_UINT32)maxh; + img->comps[2].w = (OPJ_UINT32)maxw; + img->comps[2].h = (OPJ_UINT32)maxh; + img->comps[1].dx = img->comps[0].dx; + img->comps[2].dx = img->comps[0].dx; + img->comps[1].dy = img->comps[0].dy; + img->comps[2].dy = img->comps[0].dy; } -void color_sycc_to_rgb(opj_image_t *img) -{ - if(img->numcomps < 3) { - img->color_space = OPJ_CLRSPC_GRAY; - return; - } - if((img->comps[0].dx == 1) - && (img->comps[1].dx == 2) - && (img->comps[2].dx == 2) - && (img->comps[0].dy == 1) - && (img->comps[1].dy == 2) - && (img->comps[2].dy == 2)) { - sycc420_to_rgb(img); - } else if((img->comps[0].dx == 1) - && (img->comps[1].dx == 2) - && (img->comps[2].dx == 2) - && (img->comps[0].dy == 1) - && (img->comps[1].dy == 1) - && (img->comps[2].dy == 1)) { - sycc422_to_rgb(img); - } else if((img->comps[0].dx == 1) - && (img->comps[1].dx == 1) - && (img->comps[2].dx == 1) - && (img->comps[0].dy == 1) - && (img->comps[1].dy == 1) - && (img->comps[2].dy == 1)) { - sycc444_to_rgb(img); - } else { - return; - } - img->color_space = OPJ_CLRSPC_SRGB; +void color_sycc_to_rgb(opj_image_t* img) { + if (img->numcomps < 3) { + img->color_space = OPJ_CLRSPC_GRAY; + return; + } + if ((img->comps[0].dx == 1) && (img->comps[1].dx == 2) && + (img->comps[2].dx == 2) && (img->comps[0].dy == 1) && + (img->comps[1].dy == 2) && (img->comps[2].dy == 2)) { + sycc420_to_rgb(img); + } else if ((img->comps[0].dx == 1) && (img->comps[1].dx == 2) && + (img->comps[2].dx == 2) && (img->comps[0].dy == 1) && + (img->comps[1].dy == 1) && (img->comps[2].dy == 1)) { + sycc422_to_rgb(img); + } else if ((img->comps[0].dx == 1) && (img->comps[1].dx == 1) && + (img->comps[2].dx == 1) && (img->comps[0].dy == 1) && + (img->comps[1].dy == 1) && (img->comps[2].dy == 1)) { + sycc444_to_rgb(img); + } else { + return; + } + img->color_space = OPJ_CLRSPC_SRGB; } -void color_apply_icc_profile(opj_image_t *image) -{ - cmsHPROFILE out_prof; - cmsUInt32Number in_type; - cmsUInt32Number out_type; - int *r; - int *g; - int *b; - int max; - cmsHPROFILE in_prof = - cmsOpenProfileFromMem(image->icc_profile_buf, image->icc_profile_len); - if(in_prof == NULL) { - return; - } - cmsColorSpaceSignature out_space = cmsGetColorSpace(in_prof); - cmsUInt32Number intent = cmsGetHeaderRenderingIntent(in_prof); - int max_w = (int)image->comps[0].w; - int max_h = (int)image->comps[0].h; - int prec = (int)image->comps[0].prec; - OPJ_COLOR_SPACE oldspace = image->color_space; - if(out_space == cmsSigRgbData) { - if( prec <= 8 ) { - in_type = TYPE_RGB_8; - out_type = TYPE_RGB_8; - } else { - in_type = TYPE_RGB_16; - out_type = TYPE_RGB_16; - } - out_prof = cmsCreate_sRGBProfile(); - image->color_space = OPJ_CLRSPC_SRGB; - } else if(out_space == cmsSigGrayData) { - if( prec <= 8 ) { - in_type = TYPE_GRAY_8; - out_type = TYPE_RGB_8; - } else { - in_type = TYPE_GRAY_16; - out_type = TYPE_RGB_16; - } - out_prof = cmsCreate_sRGBProfile(); - image->color_space = OPJ_CLRSPC_SRGB; - } else if(out_space == cmsSigYCbCrData) { - in_type = TYPE_YCbCr_16; - out_type = TYPE_RGB_16; - out_prof = cmsCreate_sRGBProfile(); - image->color_space = OPJ_CLRSPC_SRGB; +void color_apply_icc_profile(opj_image_t* image) { + cmsHPROFILE out_prof; + cmsUInt32Number in_type; + cmsUInt32Number out_type; + int* r; + int* g; + int* b; + int max; + cmsHPROFILE in_prof = + cmsOpenProfileFromMem(image->icc_profile_buf, image->icc_profile_len); + if (in_prof == NULL) { + return; + } + cmsColorSpaceSignature out_space = cmsGetColorSpace(in_prof); + cmsUInt32Number intent = cmsGetHeaderRenderingIntent(in_prof); + int max_w = (int)image->comps[0].w; + int max_h = (int)image->comps[0].h; + int prec = (int)image->comps[0].prec; + OPJ_COLOR_SPACE oldspace = image->color_space; + if (out_space == cmsSigRgbData) { + if (prec <= 8) { + in_type = TYPE_RGB_8; + out_type = TYPE_RGB_8; } else { - return; - } - cmsHTRANSFORM transform = - cmsCreateTransform(in_prof, in_type, out_prof, out_type, intent, 0); - cmsCloseProfile(in_prof); - cmsCloseProfile(out_prof); - if(transform == NULL) { - image->color_space = oldspace; - return; - } - if(image->numcomps > 2) { - if( prec <= 8 ) { - unsigned char *inbuf, *outbuf, *in, *out; - max = max_w * max_h; - cmsUInt32Number nr_samples = max * 3 * sizeof(unsigned char); - in = inbuf = FX_Alloc(unsigned char, nr_samples); - out = outbuf = FX_Alloc(unsigned char, nr_samples); - r = image->comps[0].data; - g = image->comps[1].data; - b = image->comps[2].data; - for(int i = 0; i < max; ++i) { - *in++ = (unsigned char) * r++; - *in++ = (unsigned char) * g++; - *in++ = (unsigned char) * b++; - } - cmsDoTransform(transform, inbuf, outbuf, (cmsUInt32Number)max); - r = image->comps[0].data; - g = image->comps[1].data; - b = image->comps[2].data; - for(int i = 0; i < max; ++i) { - *r++ = (int) * out++; - *g++ = (int) * out++; - *b++ = (int) * out++; - } - FX_Free(inbuf); - FX_Free(outbuf); - } else { - unsigned short *inbuf, *outbuf, *in, *out; - max = max_w * max_h; - cmsUInt32Number nr_samples = max * 3 * sizeof(unsigned short); - in = inbuf = FX_Alloc(unsigned short, nr_samples); - out = outbuf = FX_Alloc(unsigned short, nr_samples); - r = image->comps[0].data; - g = image->comps[1].data; - b = image->comps[2].data; - for(int i = 0; i < max; ++i) { - *in++ = (unsigned short) * r++; - *in++ = (unsigned short) * g++; - *in++ = (unsigned short) * b++; - } - cmsDoTransform(transform, inbuf, outbuf, (cmsUInt32Number)max); - r = image->comps[0].data; - g = image->comps[1].data; - b = image->comps[2].data; - for(int i = 0; i < max; ++i) { - *r++ = (int) * out++; - *g++ = (int) * out++; - *b++ = (int) * out++; - } - FX_Free(inbuf); - FX_Free(outbuf); - } + in_type = TYPE_RGB_16; + out_type = TYPE_RGB_16; + } + out_prof = cmsCreate_sRGBProfile(); + image->color_space = OPJ_CLRSPC_SRGB; + } else if (out_space == cmsSigGrayData) { + if (prec <= 8) { + in_type = TYPE_GRAY_8; + out_type = TYPE_RGB_8; } else { - unsigned char *in, *inbuf, *out, *outbuf; - max = max_w * max_h; - cmsUInt32Number nr_samples = - (cmsUInt32Number)max * 3 * sizeof(unsigned char); - in = inbuf = FX_Alloc(unsigned char, nr_samples); - out = outbuf = FX_Alloc(unsigned char, nr_samples); - image->comps = (opj_image_comp_t*) - realloc(image->comps, (image->numcomps + 2) * sizeof(opj_image_comp_t)); - if(image->numcomps == 2) { - image->comps[3] = image->comps[1]; - } - image->comps[1] = image->comps[0]; - image->comps[2] = image->comps[0]; - image->comps[1].data = FX_Alloc(int, (size_t)max); - FXSYS_memset(image->comps[1].data, 0, sizeof(int) * (size_t)max); - image->comps[2].data = FX_Alloc(int, (size_t)max); - FXSYS_memset(image->comps[2].data, 0, sizeof(int) * (size_t)max); - image->numcomps += 2; - r = image->comps[0].data; - for(int i = 0; i < max; ++i) { - *in++ = (unsigned char) * r++; - } - cmsDoTransform(transform, inbuf, outbuf, (cmsUInt32Number)max); - r = image->comps[0].data; - g = image->comps[1].data; - b = image->comps[2].data; - for(int i = 0; i < max; ++i) { - *r++ = (int) * out++; - *g++ = (int) * out++; - *b++ = (int) * out++; - } - FX_Free(inbuf); - FX_Free(outbuf); - } - cmsDeleteTransform(transform); + in_type = TYPE_GRAY_16; + out_type = TYPE_RGB_16; + } + out_prof = cmsCreate_sRGBProfile(); + image->color_space = OPJ_CLRSPC_SRGB; + } else if (out_space == cmsSigYCbCrData) { + in_type = TYPE_YCbCr_16; + out_type = TYPE_RGB_16; + out_prof = cmsCreate_sRGBProfile(); + image->color_space = OPJ_CLRSPC_SRGB; + } else { + return; + } + cmsHTRANSFORM transform = + cmsCreateTransform(in_prof, in_type, out_prof, out_type, intent, 0); + cmsCloseProfile(in_prof); + cmsCloseProfile(out_prof); + if (transform == NULL) { + image->color_space = oldspace; + return; + } + if (image->numcomps > 2) { + if (prec <= 8) { + unsigned char *inbuf, *outbuf, *in, *out; + max = max_w * max_h; + cmsUInt32Number nr_samples = max * 3 * sizeof(unsigned char); + in = inbuf = FX_Alloc(unsigned char, nr_samples); + out = outbuf = FX_Alloc(unsigned char, nr_samples); + r = image->comps[0].data; + g = image->comps[1].data; + b = image->comps[2].data; + for (int i = 0; i < max; ++i) { + *in++ = (unsigned char)*r++; + *in++ = (unsigned char)*g++; + *in++ = (unsigned char)*b++; + } + cmsDoTransform(transform, inbuf, outbuf, (cmsUInt32Number)max); + r = image->comps[0].data; + g = image->comps[1].data; + b = image->comps[2].data; + for (int i = 0; i < max; ++i) { + *r++ = (int)*out++; + *g++ = (int)*out++; + *b++ = (int)*out++; + } + FX_Free(inbuf); + FX_Free(outbuf); + } else { + unsigned short *inbuf, *outbuf, *in, *out; + max = max_w * max_h; + cmsUInt32Number nr_samples = max * 3 * sizeof(unsigned short); + in = inbuf = FX_Alloc(unsigned short, nr_samples); + out = outbuf = FX_Alloc(unsigned short, nr_samples); + r = image->comps[0].data; + g = image->comps[1].data; + b = image->comps[2].data; + for (int i = 0; i < max; ++i) { + *in++ = (unsigned short)*r++; + *in++ = (unsigned short)*g++; + *in++ = (unsigned short)*b++; + } + cmsDoTransform(transform, inbuf, outbuf, (cmsUInt32Number)max); + r = image->comps[0].data; + g = image->comps[1].data; + b = image->comps[2].data; + for (int i = 0; i < max; ++i) { + *r++ = (int)*out++; + *g++ = (int)*out++; + *b++ = (int)*out++; + } + FX_Free(inbuf); + FX_Free(outbuf); + } + } else { + unsigned char *in, *inbuf, *out, *outbuf; + max = max_w * max_h; + cmsUInt32Number nr_samples = + (cmsUInt32Number)max * 3 * sizeof(unsigned char); + in = inbuf = FX_Alloc(unsigned char, nr_samples); + out = outbuf = FX_Alloc(unsigned char, nr_samples); + image->comps = (opj_image_comp_t*)realloc( + image->comps, (image->numcomps + 2) * sizeof(opj_image_comp_t)); + if (image->numcomps == 2) { + image->comps[3] = image->comps[1]; + } + image->comps[1] = image->comps[0]; + image->comps[2] = image->comps[0]; + image->comps[1].data = FX_Alloc(int, (size_t)max); + FXSYS_memset(image->comps[1].data, 0, sizeof(int) * (size_t)max); + image->comps[2].data = FX_Alloc(int, (size_t)max); + FXSYS_memset(image->comps[2].data, 0, sizeof(int) * (size_t)max); + image->numcomps += 2; + r = image->comps[0].data; + for (int i = 0; i < max; ++i) { + *in++ = (unsigned char)*r++; + } + cmsDoTransform(transform, inbuf, outbuf, (cmsUInt32Number)max); + r = image->comps[0].data; + g = image->comps[1].data; + b = image->comps[2].data; + for (int i = 0; i < max; ++i) { + *r++ = (int)*out++; + *g++ = (int)*out++; + *b++ = (int)*out++; + } + FX_Free(inbuf); + FX_Free(outbuf); + } + cmsDeleteTransform(transform); } -void color_apply_conversion(opj_image_t *image) -{ - int *row; - int enumcs, numcomps; - numcomps = image->numcomps; - if(numcomps < 3) { - return; - } - row = (int*)image->icc_profile_buf; - enumcs = row[0]; - if(enumcs == 14) { - int *L, *a, *b, *red, *green, *blue, *src0, *src1, *src2; - double rl, ol, ra, oa, rb, ob, prec0, prec1, prec2; - double minL, maxL, mina, maxa, minb, maxb; - unsigned int default_type; - unsigned int i, max; - cmsHPROFILE in, out; - cmsHTRANSFORM transform; - cmsUInt16Number RGB[3]; - cmsCIELab Lab; - in = cmsCreateLab4Profile(NULL); - out = cmsCreate_sRGBProfile(); - transform = - cmsCreateTransform(in, TYPE_Lab_DBL, out, TYPE_RGB_16, - INTENT_PERCEPTUAL, 0); - cmsCloseProfile(in); - cmsCloseProfile(out); - if(transform == NULL) { - return; - } - prec0 = (double)image->comps[0].prec; - prec1 = (double)image->comps[1].prec; - prec2 = (double)image->comps[2].prec; - default_type = row[1]; - if(default_type == 0x44454600) { - rl = 100; - ra = 170; - rb = 200; - ol = 0; - oa = pow(2, prec1 - 1); - ob = pow(2, prec2 - 2) + pow(2, prec2 - 3); - } else { - rl = row[2]; - ra = row[4]; - rb = row[6]; - ol = row[3]; - oa = row[5]; - ob = row[7]; - } - L = src0 = image->comps[0].data; - a = src1 = image->comps[1].data; - b = src2 = image->comps[2].data; - max = image->comps[0].w * image->comps[0].h; - red = FX_Alloc(int, max); - image->comps[0].data = red; - green = FX_Alloc(int, max); - image->comps[1].data = green; - blue = FX_Alloc(int, max); - image->comps[2].data = blue; - minL = -(rl * ol) / (pow(2, prec0) - 1); - maxL = minL + rl; - mina = -(ra * oa) / (pow(2, prec1) - 1); - maxa = mina + ra; - minb = -(rb * ob) / (pow(2, prec2) - 1); - maxb = minb + rb; - for(i = 0; i < max; ++i) { - Lab.L = minL + (double)(*L) * (maxL - minL) / (pow(2, prec0) - 1); - ++L; - Lab.a = mina + (double)(*a) * (maxa - mina) / (pow(2, prec1) - 1); - ++a; - Lab.b = minb + (double)(*b) * (maxb - minb) / (pow(2, prec2) - 1); - ++b; - cmsDoTransform(transform, &Lab, RGB, 1); - *red++ = RGB[0]; - *green++ = RGB[1]; - *blue++ = RGB[2]; - } - cmsDeleteTransform(transform); - FX_Free(src0); - FX_Free(src1); - FX_Free(src2); - image->color_space = OPJ_CLRSPC_SRGB; - image->comps[0].prec = 16; - image->comps[1].prec = 16; - image->comps[2].prec = 16; - return; +void color_apply_conversion(opj_image_t* image) { + int* row; + int enumcs, numcomps; + numcomps = image->numcomps; + if (numcomps < 3) { + return; + } + row = (int*)image->icc_profile_buf; + enumcs = row[0]; + if (enumcs == 14) { + int *L, *a, *b, *red, *green, *blue, *src0, *src1, *src2; + double rl, ol, ra, oa, rb, ob, prec0, prec1, prec2; + double minL, maxL, mina, maxa, minb, maxb; + unsigned int default_type; + unsigned int i, max; + cmsHPROFILE in, out; + cmsHTRANSFORM transform; + cmsUInt16Number RGB[3]; + cmsCIELab Lab; + in = cmsCreateLab4Profile(NULL); + out = cmsCreate_sRGBProfile(); + transform = cmsCreateTransform(in, TYPE_Lab_DBL, out, TYPE_RGB_16, + INTENT_PERCEPTUAL, 0); + cmsCloseProfile(in); + cmsCloseProfile(out); + if (transform == NULL) { + return; + } + prec0 = (double)image->comps[0].prec; + prec1 = (double)image->comps[1].prec; + prec2 = (double)image->comps[2].prec; + default_type = row[1]; + if (default_type == 0x44454600) { + rl = 100; + ra = 170; + rb = 200; + ol = 0; + oa = pow(2, prec1 - 1); + ob = pow(2, prec2 - 2) + pow(2, prec2 - 3); + } else { + rl = row[2]; + ra = row[4]; + rb = row[6]; + ol = row[3]; + oa = row[5]; + ob = row[7]; + } + L = src0 = image->comps[0].data; + a = src1 = image->comps[1].data; + b = src2 = image->comps[2].data; + max = image->comps[0].w * image->comps[0].h; + red = FX_Alloc(int, max); + image->comps[0].data = red; + green = FX_Alloc(int, max); + image->comps[1].data = green; + blue = FX_Alloc(int, max); + image->comps[2].data = blue; + minL = -(rl * ol) / (pow(2, prec0) - 1); + maxL = minL + rl; + mina = -(ra * oa) / (pow(2, prec1) - 1); + maxa = mina + ra; + minb = -(rb * ob) / (pow(2, prec2) - 1); + maxb = minb + rb; + for (i = 0; i < max; ++i) { + Lab.L = minL + (double)(*L) * (maxL - minL) / (pow(2, prec0) - 1); + ++L; + Lab.a = mina + (double)(*a) * (maxa - mina) / (pow(2, prec1) - 1); + ++a; + Lab.b = minb + (double)(*b) * (maxb - minb) / (pow(2, prec2) - 1); + ++b; + cmsDoTransform(transform, &Lab, RGB, 1); + *red++ = RGB[0]; + *green++ = RGB[1]; + *blue++ = RGB[2]; } + cmsDeleteTransform(transform); + FX_Free(src0); + FX_Free(src1); + FX_Free(src2); + image->color_space = OPJ_CLRSPC_SRGB; + image->comps[0].prec = 16; + image->comps[1].prec = 16; + image->comps[2].prec = 16; + return; + } } -class CJPX_Decoder -{ -public: - CJPX_Decoder(); - ~CJPX_Decoder(); - FX_BOOL Init(const unsigned char* src_data, int src_size); - void GetInfo(FX_DWORD& width, FX_DWORD& height, FX_DWORD& codestream_nComps, FX_DWORD& output_nComps); - FX_BOOL Decode(uint8_t* dest_buf, int pitch, FX_BOOL bTranslateColor, uint8_t* offsets); - const uint8_t* m_SrcData; - int m_SrcSize; - opj_image_t *image; - opj_codec_t* l_codec; - opj_stream_t *l_stream; - FX_BOOL m_useColorSpace; +class CJPX_Decoder { + public: + CJPX_Decoder(); + ~CJPX_Decoder(); + FX_BOOL Init(const unsigned char* src_data, int src_size); + void GetInfo(FX_DWORD& width, + FX_DWORD& height, + FX_DWORD& codestream_nComps, + FX_DWORD& output_nComps); + FX_BOOL Decode(uint8_t* dest_buf, + int pitch, + FX_BOOL bTranslateColor, + uint8_t* offsets); + const uint8_t* m_SrcData; + int m_SrcSize; + opj_image_t* image; + opj_codec_t* l_codec; + opj_stream_t* l_stream; + FX_BOOL m_useColorSpace; }; -CJPX_Decoder::CJPX_Decoder(): image(NULL), l_codec(NULL), l_stream(NULL), m_useColorSpace(FALSE) -{ -} -CJPX_Decoder::~CJPX_Decoder() -{ - if(l_codec) { - opj_destroy_codec(l_codec); - } - if(l_stream) { - opj_stream_destroy(l_stream); - } - if(image) { - opj_image_destroy(image); - } +CJPX_Decoder::CJPX_Decoder() + : image(NULL), l_codec(NULL), l_stream(NULL), m_useColorSpace(FALSE) {} +CJPX_Decoder::~CJPX_Decoder() { + if (l_codec) { + opj_destroy_codec(l_codec); + } + if (l_stream) { + opj_stream_destroy(l_stream); + } + if (image) { + opj_image_destroy(image); + } } -FX_BOOL CJPX_Decoder::Init(const unsigned char* src_data, int src_size) -{ - static const unsigned char szJP2Header[] = { 0x00, 0x00, 0x00, 0x0c, 0x6a, 0x50, 0x20, 0x20, 0x0d, 0x0a, 0x87, 0x0a }; - if (!src_data || src_size < sizeof(szJP2Header)) { - return FALSE; - } +FX_BOOL CJPX_Decoder::Init(const unsigned char* src_data, int src_size) { + static const unsigned char szJP2Header[] = { + 0x00, 0x00, 0x00, 0x0c, 0x6a, 0x50, 0x20, 0x20, 0x0d, 0x0a, 0x87, 0x0a}; + if (!src_data || src_size < sizeof(szJP2Header)) { + return FALSE; + } + image = NULL; + m_SrcData = src_data; + m_SrcSize = src_size; + DecodeData srcData(const_cast<unsigned char*>(src_data), src_size); + l_stream = fx_opj_stream_create_memory_stream(&srcData, + OPJ_J2K_STREAM_CHUNK_SIZE, 1); + if (l_stream == NULL) { + return FALSE; + } + opj_dparameters_t parameters; + opj_set_default_decoder_parameters(¶meters); + parameters.decod_format = 0; + parameters.cod_format = 3; + if (FXSYS_memcmp(m_SrcData, szJP2Header, sizeof(szJP2Header)) == 0) { + l_codec = opj_create_decompress(OPJ_CODEC_JP2); + parameters.decod_format = 1; + } else { + l_codec = opj_create_decompress(OPJ_CODEC_J2K); + } + if (!l_codec) { + return FALSE; + } + opj_set_info_handler(l_codec, fx_info_callback, 00); + opj_set_warning_handler(l_codec, fx_warning_callback, 00); + opj_set_error_handler(l_codec, fx_error_callback, 00); + if (!opj_setup_decoder(l_codec, ¶meters)) { + return FALSE; + } + if (!opj_read_header(l_stream, l_codec, &image)) { image = NULL; - m_SrcData = src_data; - m_SrcSize = src_size; - DecodeData srcData(const_cast<unsigned char*>(src_data), src_size); - l_stream = fx_opj_stream_create_memory_stream(&srcData, OPJ_J2K_STREAM_CHUNK_SIZE, 1); - if (l_stream == NULL) { - return FALSE; - } - opj_dparameters_t parameters; - opj_set_default_decoder_parameters(¶meters); - parameters.decod_format = 0; - parameters.cod_format = 3; - if(FXSYS_memcmp(m_SrcData, szJP2Header, sizeof(szJP2Header)) == 0) { - l_codec = opj_create_decompress(OPJ_CODEC_JP2); - parameters.decod_format = 1; - } else { - l_codec = opj_create_decompress(OPJ_CODEC_J2K); - } - if(!l_codec) { - return FALSE; - } - opj_set_info_handler(l_codec, fx_info_callback, 00); - opj_set_warning_handler(l_codec, fx_warning_callback, 00); - opj_set_error_handler(l_codec, fx_error_callback, 00); - if ( !opj_setup_decoder(l_codec, ¶meters) ) { - return FALSE; - } - if(! opj_read_header(l_stream, l_codec, &image)) { - image = NULL; - return FALSE; - } - if (!parameters.nb_tile_to_decode) { - if (!opj_set_decode_area(l_codec, image, parameters.DA_x0, - parameters.DA_y0, parameters.DA_x1, parameters.DA_y1)) { - opj_image_destroy(image); - image = NULL; - return FALSE; - } - if (!(opj_decode(l_codec, l_stream, image) && opj_end_decompress(l_codec, l_stream))) { - opj_image_destroy(image); - image = NULL; - return FALSE; - } - } else { - if (!opj_get_decoded_tile(l_codec, l_stream, image, parameters.tile_index)) { - return FALSE; - } - } - opj_stream_destroy(l_stream); - l_stream = NULL; - if( image->color_space != OPJ_CLRSPC_SYCC - && image->numcomps == 3 && image->comps[0].dx == image->comps[0].dy - && image->comps[1].dx != 1 ) { - image->color_space = OPJ_CLRSPC_SYCC; - } else if (image->numcomps <= 2) { - image->color_space = OPJ_CLRSPC_GRAY; - } - if(image->color_space == OPJ_CLRSPC_SYCC) { - color_sycc_to_rgb(image); - } - if(image->icc_profile_buf) { - FX_Free(image->icc_profile_buf); - image->icc_profile_buf = NULL; - image->icc_profile_len = 0; - } - if(!image) { - return FALSE; - } - return TRUE; + return FALSE; + } + if (!parameters.nb_tile_to_decode) { + if (!opj_set_decode_area(l_codec, image, parameters.DA_x0, parameters.DA_y0, + parameters.DA_x1, parameters.DA_y1)) { + opj_image_destroy(image); + image = NULL; + return FALSE; + } + if (!(opj_decode(l_codec, l_stream, image) && + opj_end_decompress(l_codec, l_stream))) { + opj_image_destroy(image); + image = NULL; + return FALSE; + } + } else { + if (!opj_get_decoded_tile(l_codec, l_stream, image, + parameters.tile_index)) { + return FALSE; + } + } + opj_stream_destroy(l_stream); + l_stream = NULL; + if (image->color_space != OPJ_CLRSPC_SYCC && image->numcomps == 3 && + image->comps[0].dx == image->comps[0].dy && image->comps[1].dx != 1) { + image->color_space = OPJ_CLRSPC_SYCC; + } else if (image->numcomps <= 2) { + image->color_space = OPJ_CLRSPC_GRAY; + } + if (image->color_space == OPJ_CLRSPC_SYCC) { + color_sycc_to_rgb(image); + } + if (image->icc_profile_buf) { + FX_Free(image->icc_profile_buf); + image->icc_profile_buf = NULL; + image->icc_profile_len = 0; + } + if (!image) { + return FALSE; + } + return TRUE; } -void CJPX_Decoder::GetInfo(FX_DWORD& width, FX_DWORD& height, FX_DWORD& codestream_nComps, FX_DWORD& output_nComps) -{ - width = (FX_DWORD)image->x1; - height = (FX_DWORD)image->y1; - output_nComps = codestream_nComps = (FX_DWORD)image->numcomps; +void CJPX_Decoder::GetInfo(FX_DWORD& width, + FX_DWORD& height, + FX_DWORD& codestream_nComps, + FX_DWORD& output_nComps) { + width = (FX_DWORD)image->x1; + height = (FX_DWORD)image->y1; + output_nComps = codestream_nComps = (FX_DWORD)image->numcomps; } -FX_BOOL CJPX_Decoder::Decode(uint8_t* dest_buf, int pitch, FX_BOOL bTranslateColor, uint8_t* offsets) -{ - int i, wid, hei, row, col, channel, src; - uint8_t* pChannel; - uint8_t* pScanline; - uint8_t* pPixel; +FX_BOOL CJPX_Decoder::Decode(uint8_t* dest_buf, + int pitch, + FX_BOOL bTranslateColor, + uint8_t* offsets) { + int i, wid, hei, row, col, channel, src; + uint8_t* pChannel; + uint8_t* pScanline; + uint8_t* pPixel; - if(image->comps[0].w != image->x1 || image->comps[0].h != image->y1) { - return FALSE; - } - if(pitch < (int)(image->comps[0].w * 8 * image->numcomps + 31) >> 5 << 2) { - return FALSE; - } - FXSYS_memset(dest_buf, 0xff, image->y1 * pitch); - uint8_t** channel_bufs = FX_Alloc(uint8_t*, image->numcomps); - FX_BOOL result = FALSE; - int* adjust_comps = FX_Alloc(int, image->numcomps); - for (i = 0; i < (int)image->numcomps; i ++) { - channel_bufs[i] = dest_buf + offsets[i]; - adjust_comps[i] = image->comps[i].prec - 8; - if(i > 0) { - if(image->comps[i].dx != image->comps[i - 1].dx - || image->comps[i].dy != image->comps[i - 1].dy - || image->comps[i].prec != image->comps[i - 1].prec) { - goto done; - } + if (image->comps[0].w != image->x1 || image->comps[0].h != image->y1) { + return FALSE; + } + if (pitch<(int)(image->comps[0].w * 8 * image->numcomps + 31)>> 5 << 2) { + return FALSE; + } + FXSYS_memset(dest_buf, 0xff, image->y1 * pitch); + uint8_t** channel_bufs = FX_Alloc(uint8_t*, image->numcomps); + FX_BOOL result = FALSE; + int* adjust_comps = FX_Alloc(int, image->numcomps); + for (i = 0; i < (int)image->numcomps; i++) { + channel_bufs[i] = dest_buf + offsets[i]; + adjust_comps[i] = image->comps[i].prec - 8; + if (i > 0) { + if (image->comps[i].dx != image->comps[i - 1].dx || + image->comps[i].dy != image->comps[i - 1].dy || + image->comps[i].prec != image->comps[i - 1].prec) { + goto done; + } + } + } + wid = image->comps[0].w; + hei = image->comps[0].h; + for (channel = 0; channel < (int)image->numcomps; channel++) { + pChannel = channel_bufs[channel]; + if (adjust_comps[channel] < 0) { + for (row = 0; row < hei; row++) { + pScanline = pChannel + row * pitch; + for (col = 0; col < wid; col++) { + pPixel = pScanline + col * image->numcomps; + src = image->comps[channel].data[row * wid + col]; + src += image->comps[channel].sgnd + ? 1 << (image->comps[channel].prec - 1) + : 0; + if (adjust_comps[channel] > 0) { + *pPixel = 0; + } else { + *pPixel = (uint8_t)(src << -adjust_comps[channel]); + } } - } - wid = image->comps[0].w; - hei = image->comps[0].h; - for (channel = 0; channel < (int)image->numcomps; channel++) { - pChannel = channel_bufs[channel]; - if(adjust_comps[channel] < 0) { - for(row = 0; row < hei; row++) { - pScanline = pChannel + row * pitch; - for (col = 0; col < wid; col++) { - pPixel = pScanline + col * image->numcomps; - src = image->comps[channel].data[row * wid + col]; - src += image->comps[channel].sgnd ? 1 << (image->comps[channel].prec - 1) : 0; - if (adjust_comps[channel] > 0) { - *pPixel = 0; - } else { - *pPixel = (uint8_t)(src << -adjust_comps[channel]); - } - } - } - } else { - for(row = 0; row < hei; row++) { - pScanline = pChannel + row * pitch; - for (col = 0; col < wid; col++) { - pPixel = pScanline + col * image->numcomps; - if (!image->comps[channel].data) { - continue; - } - src = image->comps[channel].data[row * wid + col]; - src += image->comps[channel].sgnd ? 1 << (image->comps[channel].prec - 1) : 0; - if (adjust_comps[channel] - 1 < 0) { - *pPixel = (uint8_t)((src >> adjust_comps[channel])); - } else { - int tmpPixel = (src >> adjust_comps[channel]) + ((src >> (adjust_comps[channel] - 1)) % 2); - if (tmpPixel > 255) { - tmpPixel = 255; - } else if (tmpPixel < 0) { - tmpPixel = 0; - } - *pPixel = (uint8_t)tmpPixel; - } - } + } + } else { + for (row = 0; row < hei; row++) { + pScanline = pChannel + row * pitch; + for (col = 0; col < wid; col++) { + pPixel = pScanline + col * image->numcomps; + if (!image->comps[channel].data) { + continue; + } + src = image->comps[channel].data[row * wid + col]; + src += image->comps[channel].sgnd + ? 1 << (image->comps[channel].prec - 1) + : 0; + if (adjust_comps[channel] - 1 < 0) { + *pPixel = (uint8_t)((src >> adjust_comps[channel])); + } else { + int tmpPixel = (src >> adjust_comps[channel]) + + ((src >> (adjust_comps[channel] - 1)) % 2); + if (tmpPixel > 255) { + tmpPixel = 255; + } else if (tmpPixel < 0) { + tmpPixel = 0; } + *pPixel = (uint8_t)tmpPixel; + } } + } } - result = TRUE; + } + result = TRUE; done: - FX_Free(channel_bufs); - FX_Free(adjust_comps); - return result; + FX_Free(channel_bufs); + FX_Free(adjust_comps); + return result; } void initialize_transition_table(); void initialize_significance_luts(); void initialize_sign_lut(); -CCodec_JpxModule::CCodec_JpxModule() -{ -} -void* CCodec_JpxModule::CreateDecoder(const uint8_t* src_buf, FX_DWORD src_size , FX_BOOL useColorSpace) -{ - CJPX_Decoder* pDecoder = new CJPX_Decoder; - pDecoder->m_useColorSpace = useColorSpace; - if (!pDecoder->Init(src_buf, src_size)) { - delete pDecoder; - return NULL; - } - return pDecoder; +CCodec_JpxModule::CCodec_JpxModule() {} +void* CCodec_JpxModule::CreateDecoder(const uint8_t* src_buf, + FX_DWORD src_size, + FX_BOOL useColorSpace) { + CJPX_Decoder* pDecoder = new CJPX_Decoder; + pDecoder->m_useColorSpace = useColorSpace; + if (!pDecoder->Init(src_buf, src_size)) { + delete pDecoder; + return NULL; + } + return pDecoder; } -void CCodec_JpxModule::GetImageInfo(void* ctx, FX_DWORD& width, FX_DWORD& height, - FX_DWORD& codestream_nComps, FX_DWORD& output_nComps) -{ - CJPX_Decoder* pDecoder = (CJPX_Decoder*)ctx; - pDecoder->GetInfo(width, height, codestream_nComps, output_nComps); +void CCodec_JpxModule::GetImageInfo(void* ctx, + FX_DWORD& width, + FX_DWORD& height, + FX_DWORD& codestream_nComps, + FX_DWORD& output_nComps) { + CJPX_Decoder* pDecoder = (CJPX_Decoder*)ctx; + pDecoder->GetInfo(width, height, codestream_nComps, output_nComps); } -FX_BOOL CCodec_JpxModule::Decode(void* ctx, uint8_t* dest_data, int pitch, FX_BOOL bTranslateColor, uint8_t* offsets) -{ - CJPX_Decoder* pDecoder = (CJPX_Decoder*)ctx; - return pDecoder->Decode(dest_data, pitch, bTranslateColor, offsets); +FX_BOOL CCodec_JpxModule::Decode(void* ctx, + uint8_t* dest_data, + int pitch, + FX_BOOL bTranslateColor, + uint8_t* offsets) { + CJPX_Decoder* pDecoder = (CJPX_Decoder*)ctx; + return pDecoder->Decode(dest_data, pitch, bTranslateColor, offsets); } -void CCodec_JpxModule::DestroyDecoder(void* ctx) -{ - CJPX_Decoder* pDecoder = (CJPX_Decoder*)ctx; - delete pDecoder; +void CCodec_JpxModule::DestroyDecoder(void* ctx) { + CJPX_Decoder* pDecoder = (CJPX_Decoder*)ctx; + delete pDecoder; } diff --git a/core/src/fxcodec/codec/fx_codec_jpx_unittest.cpp b/core/src/fxcodec/codec/fx_codec_jpx_unittest.cpp index f867788759..0ae14649f7 100644 --- a/core/src/fxcodec/codec/fx_codec_jpx_unittest.cpp +++ b/core/src/fxcodec/codec/fx_codec_jpx_unittest.cpp @@ -20,451 +20,447 @@ static unsigned char stream_data[] = { }; TEST(fxcodec, DecodeDataNullDecodeData) { - unsigned char buffer[16]; - DecodeData* ptr = nullptr; - - // Error codes, not segvs, should callers pass us a NULL pointer. - EXPECT_EQ(kReadError, opj_read_from_memory(buffer, sizeof(buffer), ptr)); - EXPECT_EQ(kWriteError, opj_write_from_memory(buffer, sizeof(buffer), ptr)); - EXPECT_EQ(kSkipError, opj_skip_from_memory(1, ptr)); - EXPECT_FALSE(opj_seek_from_memory(1, ptr)); + unsigned char buffer[16]; + DecodeData* ptr = nullptr; + + // Error codes, not segvs, should callers pass us a NULL pointer. + EXPECT_EQ(kReadError, opj_read_from_memory(buffer, sizeof(buffer), ptr)); + EXPECT_EQ(kWriteError, opj_write_from_memory(buffer, sizeof(buffer), ptr)); + EXPECT_EQ(kSkipError, opj_skip_from_memory(1, ptr)); + EXPECT_FALSE(opj_seek_from_memory(1, ptr)); } TEST(fxcodec, DecodeDataNullStream) { - DecodeData dd(nullptr, 0); - unsigned char buffer[16]; + DecodeData dd(nullptr, 0); + unsigned char buffer[16]; - // Reads of size 0 do nothing but return an error code. - memset(buffer, 0xbd, sizeof(buffer)); - EXPECT_EQ(kReadError, opj_read_from_memory(buffer, 0, &dd)); - EXPECT_EQ(0xbd, buffer[0]); + // Reads of size 0 do nothing but return an error code. + memset(buffer, 0xbd, sizeof(buffer)); + EXPECT_EQ(kReadError, opj_read_from_memory(buffer, 0, &dd)); + EXPECT_EQ(0xbd, buffer[0]); - // Reads of nonzero size do nothing but return an error code. - memset(buffer, 0xbd, sizeof(buffer)); - EXPECT_EQ(kReadError, opj_read_from_memory(buffer, sizeof(buffer), &dd)); - EXPECT_EQ(0xbd, buffer[0]); + // Reads of nonzero size do nothing but return an error code. + memset(buffer, 0xbd, sizeof(buffer)); + EXPECT_EQ(kReadError, opj_read_from_memory(buffer, sizeof(buffer), &dd)); + EXPECT_EQ(0xbd, buffer[0]); - // writes of size 0 do nothing but return an error code. - EXPECT_EQ(kReadError, opj_write_from_memory(buffer, 0, &dd)); + // writes of size 0 do nothing but return an error code. + EXPECT_EQ(kReadError, opj_write_from_memory(buffer, 0, &dd)); - // writes of nonzero size do nothing but return an error code. - EXPECT_EQ(kReadError, opj_write_from_memory(buffer, sizeof(buffer), &dd)); + // writes of nonzero size do nothing but return an error code. + EXPECT_EQ(kReadError, opj_write_from_memory(buffer, sizeof(buffer), &dd)); - // Skips of size 0 always return an error code. - EXPECT_EQ(kReadError, opj_skip_from_memory(0, &dd)); + // Skips of size 0 always return an error code. + EXPECT_EQ(kReadError, opj_skip_from_memory(0, &dd)); - // Skips of nonzero size always return an error code. - EXPECT_EQ(kReadError, opj_skip_from_memory(1, &dd)); + // Skips of nonzero size always return an error code. + EXPECT_EQ(kReadError, opj_skip_from_memory(1, &dd)); - // Seeks to 0 offset return in error. - EXPECT_FALSE(opj_seek_from_memory(0, &dd)); + // Seeks to 0 offset return in error. + EXPECT_FALSE(opj_seek_from_memory(0, &dd)); - // Seeks to non-zero offsets return in error. - EXPECT_FALSE(opj_seek_from_memory(1, &dd)); + // Seeks to non-zero offsets return in error. + EXPECT_FALSE(opj_seek_from_memory(1, &dd)); } TEST(fxcodec, DecodeDataZeroSize) { - DecodeData dd(stream_data, 0); - unsigned char buffer[16]; + DecodeData dd(stream_data, 0); + unsigned char buffer[16]; - // Reads of size 0 do nothing but return an error code. - memset(buffer, 0xbd, sizeof(buffer)); - EXPECT_EQ(kReadError, opj_read_from_memory(buffer, 0, &dd)); - EXPECT_EQ(0xbd, buffer[0]); + // Reads of size 0 do nothing but return an error code. + memset(buffer, 0xbd, sizeof(buffer)); + EXPECT_EQ(kReadError, opj_read_from_memory(buffer, 0, &dd)); + EXPECT_EQ(0xbd, buffer[0]); - // Reads of nonzero size do nothing but return an error code. - memset(buffer, 0xbd, sizeof(buffer)); - EXPECT_EQ(kReadError, opj_read_from_memory(buffer, sizeof(buffer), &dd)); - EXPECT_EQ(0xbd, buffer[0]); + // Reads of nonzero size do nothing but return an error code. + memset(buffer, 0xbd, sizeof(buffer)); + EXPECT_EQ(kReadError, opj_read_from_memory(buffer, sizeof(buffer), &dd)); + EXPECT_EQ(0xbd, buffer[0]); - // writes of size 0 do nothing but return an error code. - EXPECT_EQ(kReadError, opj_write_from_memory(buffer, 0, &dd)); + // writes of size 0 do nothing but return an error code. + EXPECT_EQ(kReadError, opj_write_from_memory(buffer, 0, &dd)); - // writes of nonzero size do nothing but return an error code. - EXPECT_EQ(kReadError, opj_write_from_memory(buffer, sizeof(buffer), &dd)); + // writes of nonzero size do nothing but return an error code. + EXPECT_EQ(kReadError, opj_write_from_memory(buffer, sizeof(buffer), &dd)); - // Skips of size 0 always return an error code. - EXPECT_EQ(kReadError, opj_skip_from_memory(0, &dd)); + // Skips of size 0 always return an error code. + EXPECT_EQ(kReadError, opj_skip_from_memory(0, &dd)); - // Skips of nonzero size always return an error code. - EXPECT_EQ(kReadError, opj_skip_from_memory(1, &dd)); + // Skips of nonzero size always return an error code. + EXPECT_EQ(kReadError, opj_skip_from_memory(1, &dd)); - // Seeks to 0 offset return in error. - EXPECT_FALSE(opj_seek_from_memory(0, &dd)); + // Seeks to 0 offset return in error. + EXPECT_FALSE(opj_seek_from_memory(0, &dd)); - // Seeks to non-zero offsets return in error. - EXPECT_FALSE(opj_seek_from_memory(1, &dd)); + // Seeks to non-zero offsets return in error. + EXPECT_FALSE(opj_seek_from_memory(1, &dd)); } TEST(fxcodec, DecodeDataReadInBounds) { - unsigned char buffer[16]; - { - DecodeData dd(stream_data, sizeof(stream_data)); - - // Exact sized read in a single call. - memset(buffer, 0xbd, sizeof(buffer)); - EXPECT_EQ(8u, opj_read_from_memory(buffer, sizeof(buffer), &dd)); - EXPECT_EQ(0x00, buffer[0]); - EXPECT_EQ(0x01, buffer[1]); - EXPECT_EQ(0x02, buffer[2]); - EXPECT_EQ(0x03, buffer[3]); - EXPECT_EQ(0x84, buffer[4]); - EXPECT_EQ(0x85, buffer[5]); - EXPECT_EQ(0x86, buffer[6]); - EXPECT_EQ(0x87, buffer[7]); - EXPECT_EQ(0xbd, buffer[8]); - } - { - DecodeData dd(stream_data, sizeof(stream_data)); - - // Simple read. - memset(buffer, 0xbd, sizeof(buffer)); - EXPECT_EQ(2u, opj_read_from_memory(buffer, 2, &dd)); - EXPECT_EQ(0x00, buffer[0]); - EXPECT_EQ(0x01, buffer[1]); - EXPECT_EQ(0xbd, buffer[2]); - - // Read of size 0 doesn't affect things. - memset(buffer, 0xbd, sizeof(buffer)); - EXPECT_EQ(0u, opj_read_from_memory(buffer, 0, &dd)); - EXPECT_EQ(0xbd, buffer[0]); - - // Read exactly up to end of data. - memset(buffer, 0xbd, sizeof(buffer)); - EXPECT_EQ(6u, opj_read_from_memory(buffer, 6, &dd)); - EXPECT_EQ(0x02, buffer[0]); - EXPECT_EQ(0x03, buffer[1]); - EXPECT_EQ(0x84, buffer[2]); - EXPECT_EQ(0x85, buffer[3]); - EXPECT_EQ(0x86, buffer[4]); - EXPECT_EQ(0x87, buffer[5]); - EXPECT_EQ(0xbd, buffer[6]); - - // Read of size 0 at EOF is still an error. - memset(buffer, 0xbd, sizeof(buffer)); - EXPECT_EQ(kReadError, opj_read_from_memory(buffer, 0, &dd)); - EXPECT_EQ(0xbd, buffer[0]); - } + unsigned char buffer[16]; + { + DecodeData dd(stream_data, sizeof(stream_data)); + + // Exact sized read in a single call. + memset(buffer, 0xbd, sizeof(buffer)); + EXPECT_EQ(8u, opj_read_from_memory(buffer, sizeof(buffer), &dd)); + EXPECT_EQ(0x00, buffer[0]); + EXPECT_EQ(0x01, buffer[1]); + EXPECT_EQ(0x02, buffer[2]); + EXPECT_EQ(0x03, buffer[3]); + EXPECT_EQ(0x84, buffer[4]); + EXPECT_EQ(0x85, buffer[5]); + EXPECT_EQ(0x86, buffer[6]); + EXPECT_EQ(0x87, buffer[7]); + EXPECT_EQ(0xbd, buffer[8]); + } + { + DecodeData dd(stream_data, sizeof(stream_data)); + + // Simple read. + memset(buffer, 0xbd, sizeof(buffer)); + EXPECT_EQ(2u, opj_read_from_memory(buffer, 2, &dd)); + EXPECT_EQ(0x00, buffer[0]); + EXPECT_EQ(0x01, buffer[1]); + EXPECT_EQ(0xbd, buffer[2]); + + // Read of size 0 doesn't affect things. + memset(buffer, 0xbd, sizeof(buffer)); + EXPECT_EQ(0u, opj_read_from_memory(buffer, 0, &dd)); + EXPECT_EQ(0xbd, buffer[0]); + + // Read exactly up to end of data. + memset(buffer, 0xbd, sizeof(buffer)); + EXPECT_EQ(6u, opj_read_from_memory(buffer, 6, &dd)); + EXPECT_EQ(0x02, buffer[0]); + EXPECT_EQ(0x03, buffer[1]); + EXPECT_EQ(0x84, buffer[2]); + EXPECT_EQ(0x85, buffer[3]); + EXPECT_EQ(0x86, buffer[4]); + EXPECT_EQ(0x87, buffer[5]); + EXPECT_EQ(0xbd, buffer[6]); + + // Read of size 0 at EOF is still an error. + memset(buffer, 0xbd, sizeof(buffer)); + EXPECT_EQ(kReadError, opj_read_from_memory(buffer, 0, &dd)); + EXPECT_EQ(0xbd, buffer[0]); + } } TEST(fxcodec, DecodeDataReadBeyondBounds) { - unsigned char buffer[16]; - { - DecodeData dd(stream_data, sizeof(stream_data)); - - // Read beyond bounds in a single step. - memset(buffer, 0xbd, sizeof(buffer)); - EXPECT_EQ(8u, opj_read_from_memory(buffer, sizeof(buffer) + 1, &dd)); - EXPECT_EQ(0x00, buffer[0]); - EXPECT_EQ(0x01, buffer[1]); - EXPECT_EQ(0x02, buffer[2]); - EXPECT_EQ(0x03, buffer[3]); - EXPECT_EQ(0x84, buffer[4]); - EXPECT_EQ(0x85, buffer[5]); - EXPECT_EQ(0x86, buffer[6]); - EXPECT_EQ(0x87, buffer[7]); - EXPECT_EQ(0xbd, buffer[8]); - } - { - DecodeData dd(stream_data, sizeof(stream_data)); - - // Read well beyond bounds in a single step. - memset(buffer, 0xbd, sizeof(buffer)); - EXPECT_EQ(8u, opj_read_from_memory( - buffer, std::numeric_limits<OPJ_SIZE_T>::max(), &dd)); - EXPECT_EQ(0x00, buffer[0]); - EXPECT_EQ(0x01, buffer[1]); - EXPECT_EQ(0x02, buffer[2]); - EXPECT_EQ(0x03, buffer[3]); - EXPECT_EQ(0x84, buffer[4]); - EXPECT_EQ(0x85, buffer[5]); - EXPECT_EQ(0x86, buffer[6]); - EXPECT_EQ(0x87, buffer[7]); - EXPECT_EQ(0xbd, buffer[8]); - } - { - DecodeData dd(stream_data, sizeof(stream_data)); - - // Read of size 6 gets first 6 bytes. - // rest of buffer intact. - memset(buffer, 0xbd, sizeof(buffer)); - EXPECT_EQ(6u, opj_read_from_memory(buffer, 6, &dd)); - EXPECT_EQ(0x00, buffer[0]); - EXPECT_EQ(0x01, buffer[1]); - EXPECT_EQ(0x02, buffer[2]); - EXPECT_EQ(0x03, buffer[3]); - EXPECT_EQ(0x84, buffer[4]); - EXPECT_EQ(0x85, buffer[5]); - EXPECT_EQ(0xbd, buffer[6]); - - // Read of size 6 gets remaining two bytes. - memset(buffer, 0xbd, sizeof(buffer)); - EXPECT_EQ(2u, opj_read_from_memory(buffer, 6, &dd)); - EXPECT_EQ(0x86, buffer[0]); - EXPECT_EQ(0x87, buffer[1]); - EXPECT_EQ(0xbd, buffer[2]); - - // Read of 6 more gets nothing and leaves rest of buffer intact. - memset(buffer, 0xbd, sizeof(buffer)); - EXPECT_EQ(kReadError, opj_read_from_memory(buffer, 6, &dd)); - EXPECT_EQ(0xbd, buffer[0]); - } + unsigned char buffer[16]; + { + DecodeData dd(stream_data, sizeof(stream_data)); + + // Read beyond bounds in a single step. + memset(buffer, 0xbd, sizeof(buffer)); + EXPECT_EQ(8u, opj_read_from_memory(buffer, sizeof(buffer) + 1, &dd)); + EXPECT_EQ(0x00, buffer[0]); + EXPECT_EQ(0x01, buffer[1]); + EXPECT_EQ(0x02, buffer[2]); + EXPECT_EQ(0x03, buffer[3]); + EXPECT_EQ(0x84, buffer[4]); + EXPECT_EQ(0x85, buffer[5]); + EXPECT_EQ(0x86, buffer[6]); + EXPECT_EQ(0x87, buffer[7]); + EXPECT_EQ(0xbd, buffer[8]); + } + { + DecodeData dd(stream_data, sizeof(stream_data)); + + // Read well beyond bounds in a single step. + memset(buffer, 0xbd, sizeof(buffer)); + EXPECT_EQ(8u, opj_read_from_memory( + buffer, std::numeric_limits<OPJ_SIZE_T>::max(), &dd)); + EXPECT_EQ(0x00, buffer[0]); + EXPECT_EQ(0x01, buffer[1]); + EXPECT_EQ(0x02, buffer[2]); + EXPECT_EQ(0x03, buffer[3]); + EXPECT_EQ(0x84, buffer[4]); + EXPECT_EQ(0x85, buffer[5]); + EXPECT_EQ(0x86, buffer[6]); + EXPECT_EQ(0x87, buffer[7]); + EXPECT_EQ(0xbd, buffer[8]); + } + { + DecodeData dd(stream_data, sizeof(stream_data)); + + // Read of size 6 gets first 6 bytes. + // rest of buffer intact. + memset(buffer, 0xbd, sizeof(buffer)); + EXPECT_EQ(6u, opj_read_from_memory(buffer, 6, &dd)); + EXPECT_EQ(0x00, buffer[0]); + EXPECT_EQ(0x01, buffer[1]); + EXPECT_EQ(0x02, buffer[2]); + EXPECT_EQ(0x03, buffer[3]); + EXPECT_EQ(0x84, buffer[4]); + EXPECT_EQ(0x85, buffer[5]); + EXPECT_EQ(0xbd, buffer[6]); + + // Read of size 6 gets remaining two bytes. + memset(buffer, 0xbd, sizeof(buffer)); + EXPECT_EQ(2u, opj_read_from_memory(buffer, 6, &dd)); + EXPECT_EQ(0x86, buffer[0]); + EXPECT_EQ(0x87, buffer[1]); + EXPECT_EQ(0xbd, buffer[2]); + + // Read of 6 more gets nothing and leaves rest of buffer intact. + memset(buffer, 0xbd, sizeof(buffer)); + EXPECT_EQ(kReadError, opj_read_from_memory(buffer, 6, &dd)); + EXPECT_EQ(0xbd, buffer[0]); + } } TEST(fxcodec, DecodeDataWriteInBounds) { - unsigned char stream[16]; - static unsigned char buffer_data[] = { - 0x00, 0x01, 0x02, 0x03, 0x80, - 0x80, 0x81, 0x82, 0x83, 0x84, - }; - { - // Pretend the stream can only hold 4 bytes. - DecodeData dd(stream, 4); - - memset(stream, 0xbd, sizeof(stream)); - EXPECT_EQ(4u, opj_write_from_memory(buffer_data, 4, &dd)); - EXPECT_EQ(0x00, stream[0]); - EXPECT_EQ(0x01, stream[1]); - EXPECT_EQ(0x02, stream[2]); - EXPECT_EQ(0x03, stream[3]); - EXPECT_EQ(0xbd, stream[4]); - } - { - // Pretend the stream can only hold 4 bytes. - DecodeData dd(stream, 4); - - memset(stream, 0xbd, sizeof(stream)); - EXPECT_EQ(2u, opj_write_from_memory(buffer_data, 2, &dd)); - EXPECT_EQ(2u, opj_write_from_memory(buffer_data, 2, &dd)); - EXPECT_EQ(0x00, stream[0]); - EXPECT_EQ(0x01, stream[1]); - EXPECT_EQ(0x00, stream[2]); - EXPECT_EQ(0x01, stream[3]); - EXPECT_EQ(0xbd, stream[4]); - } + unsigned char stream[16]; + static unsigned char buffer_data[] = { + 0x00, 0x01, 0x02, 0x03, 0x80, 0x80, 0x81, 0x82, 0x83, 0x84, + }; + { + // Pretend the stream can only hold 4 bytes. + DecodeData dd(stream, 4); + + memset(stream, 0xbd, sizeof(stream)); + EXPECT_EQ(4u, opj_write_from_memory(buffer_data, 4, &dd)); + EXPECT_EQ(0x00, stream[0]); + EXPECT_EQ(0x01, stream[1]); + EXPECT_EQ(0x02, stream[2]); + EXPECT_EQ(0x03, stream[3]); + EXPECT_EQ(0xbd, stream[4]); + } + { + // Pretend the stream can only hold 4 bytes. + DecodeData dd(stream, 4); + + memset(stream, 0xbd, sizeof(stream)); + EXPECT_EQ(2u, opj_write_from_memory(buffer_data, 2, &dd)); + EXPECT_EQ(2u, opj_write_from_memory(buffer_data, 2, &dd)); + EXPECT_EQ(0x00, stream[0]); + EXPECT_EQ(0x01, stream[1]); + EXPECT_EQ(0x00, stream[2]); + EXPECT_EQ(0x01, stream[3]); + EXPECT_EQ(0xbd, stream[4]); + } } TEST(fxcodec, DecodeDataWriteBeyondBounds) { - unsigned char stream[16]; - static unsigned char buffer_data[] = { - 0x10, 0x11, 0x12, 0x13, - 0x94, 0x95, 0x96, 0x97, - }; - { - // Pretend the stream can only hold 4 bytes. - DecodeData dd(stream, 4); - - // Write ending past EOF transfers up til EOF. - memset(stream, 0xbd, sizeof(stream)); - EXPECT_EQ(4u, opj_write_from_memory(buffer_data, 5, &dd)); - EXPECT_EQ(0x10, stream[0]); - EXPECT_EQ(0x11, stream[1]); - EXPECT_EQ(0x12, stream[2]); - EXPECT_EQ(0x13, stream[3]); - EXPECT_EQ(0xbd, stream[4]); - - // Subsequent writes fail. - memset(stream, 0xbd, sizeof(stream)); - EXPECT_EQ(kWriteError, opj_write_from_memory(buffer_data, 5, &dd)); - EXPECT_EQ(0xbd, stream[0]); - } - { - // Pretend the stream can only hold 4 bytes. - DecodeData dd(stream, 4); - - // Write ending past EOF (two steps) transfers up til EOF. - memset(stream, 0xbd, sizeof(stream)); - EXPECT_EQ(2u, opj_write_from_memory(buffer_data, 2, &dd)); - EXPECT_EQ(2u, opj_write_from_memory(buffer_data, 4, &dd)); - EXPECT_EQ(0x10, stream[0]); - EXPECT_EQ(0x11, stream[1]); - EXPECT_EQ(0x10, stream[2]); - EXPECT_EQ(0x11, stream[3]); - EXPECT_EQ(0xbd, stream[4]); - - // Subsequent writes fail. - memset(stream, 0xbd, sizeof(stream)); - EXPECT_EQ(kWriteError, opj_write_from_memory(buffer_data, 5, &dd)); - EXPECT_EQ(0xbd, stream[0]); - } + unsigned char stream[16]; + static unsigned char buffer_data[] = { + 0x10, 0x11, 0x12, 0x13, 0x94, 0x95, 0x96, 0x97, + }; + { + // Pretend the stream can only hold 4 bytes. + DecodeData dd(stream, 4); + + // Write ending past EOF transfers up til EOF. + memset(stream, 0xbd, sizeof(stream)); + EXPECT_EQ(4u, opj_write_from_memory(buffer_data, 5, &dd)); + EXPECT_EQ(0x10, stream[0]); + EXPECT_EQ(0x11, stream[1]); + EXPECT_EQ(0x12, stream[2]); + EXPECT_EQ(0x13, stream[3]); + EXPECT_EQ(0xbd, stream[4]); + + // Subsequent writes fail. + memset(stream, 0xbd, sizeof(stream)); + EXPECT_EQ(kWriteError, opj_write_from_memory(buffer_data, 5, &dd)); + EXPECT_EQ(0xbd, stream[0]); + } + { + // Pretend the stream can only hold 4 bytes. + DecodeData dd(stream, 4); + + // Write ending past EOF (two steps) transfers up til EOF. + memset(stream, 0xbd, sizeof(stream)); + EXPECT_EQ(2u, opj_write_from_memory(buffer_data, 2, &dd)); + EXPECT_EQ(2u, opj_write_from_memory(buffer_data, 4, &dd)); + EXPECT_EQ(0x10, stream[0]); + EXPECT_EQ(0x11, stream[1]); + EXPECT_EQ(0x10, stream[2]); + EXPECT_EQ(0x11, stream[3]); + EXPECT_EQ(0xbd, stream[4]); + + // Subsequent writes fail. + memset(stream, 0xbd, sizeof(stream)); + EXPECT_EQ(kWriteError, opj_write_from_memory(buffer_data, 5, &dd)); + EXPECT_EQ(0xbd, stream[0]); + } } // Note: Some care needs to be taken here because the skip/seek functions // take OPJ_OFF_T's as arguments, which are typically a signed type. TEST(fxcodec, DecodeDataSkip) { - unsigned char buffer[16]; - { - DecodeData dd(stream_data, sizeof(stream_data)); - - // Skiping within buffer is allowed. - memset(buffer, 0xbd, sizeof(buffer)); - EXPECT_EQ(1, opj_skip_from_memory(1, &dd)); - EXPECT_EQ(1u, opj_read_from_memory(buffer, 1, &dd)); - EXPECT_EQ(0x01, buffer[0]); - EXPECT_EQ(0xbd, buffer[1]); - - // Skiping 0 bytes changes nothing. - memset(buffer, 0xbd, sizeof(buffer)); - EXPECT_EQ(0, opj_skip_from_memory(0, &dd)); - EXPECT_EQ(1u, opj_read_from_memory(buffer, 1, &dd)); - EXPECT_EQ(0x02, buffer[0]); - EXPECT_EQ(0xbd, buffer[1]); - - // Skiping to EOS-1 is possible. - memset(buffer, 0xbd, sizeof(buffer)); - EXPECT_EQ(4, opj_skip_from_memory(4, &dd)); - EXPECT_EQ(1u, opj_read_from_memory(buffer, 1, &dd)); - EXPECT_EQ(0x87, buffer[0]); - EXPECT_EQ(0xbd, buffer[1]); - - // Next read fails. - memset(buffer, 0xbd, sizeof(buffer)); - EXPECT_EQ(kReadError, opj_read_from_memory(buffer, 1, &dd)); - EXPECT_EQ(0xbd, buffer[0]); - } - { - DecodeData dd(stream_data, sizeof(stream_data)); - - // Skiping directly to EOS is allowed. - memset(buffer, 0xbd, sizeof(buffer)); - EXPECT_EQ(8, opj_skip_from_memory(8, &dd)); - - // Next read fails. - EXPECT_EQ(kReadError, opj_read_from_memory(buffer, 1, &dd)); - EXPECT_EQ(0xbd, buffer[0]); - } - { - DecodeData dd(stream_data, sizeof(stream_data)); - - // Skipping beyond end of stream is allowed and returns full distance. - memset(buffer, 0xbd, sizeof(buffer)); - EXPECT_EQ(9, opj_skip_from_memory(9, &dd)); - - // Next read fails. - EXPECT_EQ(kReadError, opj_read_from_memory(buffer, 1, &dd)); - EXPECT_EQ(0xbd, buffer[0]); - } - { - DecodeData dd(stream_data, sizeof(stream_data)); - - // Skipping way beyond EOS is allowd, doesn't wrap, and returns - // full distance. - memset(buffer, 0xbd, sizeof(buffer)); - EXPECT_EQ(4, opj_skip_from_memory(4, &dd)); - EXPECT_EQ(std::numeric_limits<OPJ_OFF_T>::max(), opj_skip_from_memory( - std::numeric_limits<OPJ_OFF_T>::max(), &dd)); - - // Next read fails. If it succeeds, it may mean we wrapped. - EXPECT_EQ(kReadError, opj_read_from_memory(buffer, 1, &dd)); - EXPECT_EQ(0xbd, buffer[0]); - } - { - DecodeData dd(stream_data, sizeof(stream_data)); - - // Negative skip within buffer not is allowed, position unchanged. - memset(buffer, 0xbd, sizeof(buffer)); - EXPECT_EQ(4, opj_skip_from_memory(4, &dd)); - EXPECT_EQ(kSkipError, opj_skip_from_memory(-2, &dd)); - - // Next read succeeds as if nothing has happenned. - EXPECT_EQ(1u, opj_read_from_memory(buffer, 1, &dd)); - EXPECT_EQ(0x84, buffer[0]); - EXPECT_EQ(0xbd, buffer[1]); - - // Negative skip before buffer is not allowed, position unchanged. - memset(buffer, 0xbd, sizeof(buffer)); - EXPECT_EQ(kSkipError, opj_skip_from_memory(-4, &dd)); - - // Next read succeeds as if nothing has happenned. - EXPECT_EQ(1u, opj_read_from_memory(buffer, 1, &dd)); - EXPECT_EQ(0x85, buffer[0]); - EXPECT_EQ(0xbd, buffer[1]); - } - { - DecodeData dd(stream_data, sizeof(stream_data)); - - // Negative skip way before buffer is not allowed, doesn't wrap - memset(buffer, 0xbd, sizeof(buffer)); - EXPECT_EQ(4, opj_skip_from_memory(4, &dd)); - EXPECT_EQ(kSkipError, opj_skip_from_memory( - std::numeric_limits<OPJ_OFF_T>::min(), &dd)); - - // Next read succeeds. If it fails, it may mean we wrapped. - EXPECT_EQ(1, opj_read_from_memory(buffer, 1, &dd)); - EXPECT_EQ(0x84, buffer[0]); - EXPECT_EQ(0xbd, buffer[1]); - } - { - DecodeData dd(stream_data, sizeof(stream_data)); - - // Negative skip after EOS isn't alowed, still EOS. - memset(buffer, 0xbd, sizeof(buffer)); - EXPECT_EQ(8, opj_skip_from_memory(8, &dd)); - EXPECT_EQ(kSkipError, opj_skip_from_memory(-4, &dd)); - - // Next read fails. - EXPECT_EQ(kReadError, opj_read_from_memory(buffer, 1, &dd)); - EXPECT_EQ(0xbd, buffer[0]); - } - -} - -TEST(fxcodec, DecodeDataSeek) { - unsigned char buffer[16]; + unsigned char buffer[16]; + { DecodeData dd(stream_data, sizeof(stream_data)); - // Seeking within buffer is allowed and read succeeds + // Skiping within buffer is allowed. memset(buffer, 0xbd, sizeof(buffer)); - EXPECT_TRUE(opj_seek_from_memory(1, &dd)); + EXPECT_EQ(1, opj_skip_from_memory(1, &dd)); EXPECT_EQ(1u, opj_read_from_memory(buffer, 1, &dd)); EXPECT_EQ(0x01, buffer[0]); EXPECT_EQ(0xbd, buffer[1]); - // Seeking before start returns error leaving position unchanged. + // Skiping 0 bytes changes nothing. memset(buffer, 0xbd, sizeof(buffer)); - EXPECT_FALSE(opj_seek_from_memory(-1, &dd)); - EXPECT_EQ(1, opj_read_from_memory(buffer, 1, &dd)); + EXPECT_EQ(0, opj_skip_from_memory(0, &dd)); + EXPECT_EQ(1u, opj_read_from_memory(buffer, 1, &dd)); EXPECT_EQ(0x02, buffer[0]); EXPECT_EQ(0xbd, buffer[1]); - // Seeking way before start returns error leaving position unchanged. + // Skiping to EOS-1 is possible. memset(buffer, 0xbd, sizeof(buffer)); - EXPECT_FALSE(opj_seek_from_memory( - std::numeric_limits<OPJ_OFF_T>::min(), &dd)); - EXPECT_EQ(1, opj_read_from_memory(buffer, 1, &dd)); - EXPECT_EQ(0x03, buffer[0]); + EXPECT_EQ(4, opj_skip_from_memory(4, &dd)); + EXPECT_EQ(1u, opj_read_from_memory(buffer, 1, &dd)); + EXPECT_EQ(0x87, buffer[0]); EXPECT_EQ(0xbd, buffer[1]); - // Seeking exactly to EOS is allowed but read fails. + // Next read fails. memset(buffer, 0xbd, sizeof(buffer)); - EXPECT_TRUE(opj_seek_from_memory(8, &dd)); EXPECT_EQ(kReadError, opj_read_from_memory(buffer, 1, &dd)); EXPECT_EQ(0xbd, buffer[0]); + } + { + DecodeData dd(stream_data, sizeof(stream_data)); - // Seeking back to zero offset is allowed and read succeeds. + // Skiping directly to EOS is allowed. memset(buffer, 0xbd, sizeof(buffer)); - EXPECT_TRUE(opj_seek_from_memory(0, &dd)); - EXPECT_EQ(1u, opj_read_from_memory(buffer, 1, &dd)); - EXPECT_EQ(0x00, buffer[0]); - EXPECT_EQ(0xbd, buffer[1]); + EXPECT_EQ(8, opj_skip_from_memory(8, &dd)); + + // Next read fails. + EXPECT_EQ(kReadError, opj_read_from_memory(buffer, 1, &dd)); + EXPECT_EQ(0xbd, buffer[0]); + } + { + DecodeData dd(stream_data, sizeof(stream_data)); + + // Skipping beyond end of stream is allowed and returns full distance. + memset(buffer, 0xbd, sizeof(buffer)); + EXPECT_EQ(9, opj_skip_from_memory(9, &dd)); + + // Next read fails. + EXPECT_EQ(kReadError, opj_read_from_memory(buffer, 1, &dd)); + EXPECT_EQ(0xbd, buffer[0]); + } + { + DecodeData dd(stream_data, sizeof(stream_data)); - // Seeking beyond end of stream is allowed but read fails. + // Skipping way beyond EOS is allowd, doesn't wrap, and returns + // full distance. memset(buffer, 0xbd, sizeof(buffer)); - EXPECT_TRUE(opj_seek_from_memory(16, &dd)); + EXPECT_EQ(4, opj_skip_from_memory(4, &dd)); + EXPECT_EQ(std::numeric_limits<OPJ_OFF_T>::max(), + opj_skip_from_memory(std::numeric_limits<OPJ_OFF_T>::max(), &dd)); + + // Next read fails. If it succeeds, it may mean we wrapped. EXPECT_EQ(kReadError, opj_read_from_memory(buffer, 1, &dd)); EXPECT_EQ(0xbd, buffer[0]); + } + { + DecodeData dd(stream_data, sizeof(stream_data)); - // Seeking within buffer after seek past EOF restores good state. + // Negative skip within buffer not is allowed, position unchanged. memset(buffer, 0xbd, sizeof(buffer)); - EXPECT_TRUE(opj_seek_from_memory(4, &dd)); + EXPECT_EQ(4, opj_skip_from_memory(4, &dd)); + EXPECT_EQ(kSkipError, opj_skip_from_memory(-2, &dd)); + + // Next read succeeds as if nothing has happenned. EXPECT_EQ(1u, opj_read_from_memory(buffer, 1, &dd)); EXPECT_EQ(0x84, buffer[0]); EXPECT_EQ(0xbd, buffer[1]); - // Seeking way beyond EOS is allowed, doesn't wrap, and read fails. + // Negative skip before buffer is not allowed, position unchanged. memset(buffer, 0xbd, sizeof(buffer)); - EXPECT_TRUE(opj_seek_from_memory( - std::numeric_limits<OPJ_OFF_T>::max(), &dd)); + EXPECT_EQ(kSkipError, opj_skip_from_memory(-4, &dd)); + + // Next read succeeds as if nothing has happenned. + EXPECT_EQ(1u, opj_read_from_memory(buffer, 1, &dd)); + EXPECT_EQ(0x85, buffer[0]); + EXPECT_EQ(0xbd, buffer[1]); + } + { + DecodeData dd(stream_data, sizeof(stream_data)); + + // Negative skip way before buffer is not allowed, doesn't wrap + memset(buffer, 0xbd, sizeof(buffer)); + EXPECT_EQ(4, opj_skip_from_memory(4, &dd)); + EXPECT_EQ(kSkipError, + opj_skip_from_memory(std::numeric_limits<OPJ_OFF_T>::min(), &dd)); + + // Next read succeeds. If it fails, it may mean we wrapped. + EXPECT_EQ(1, opj_read_from_memory(buffer, 1, &dd)); + EXPECT_EQ(0x84, buffer[0]); + EXPECT_EQ(0xbd, buffer[1]); + } + { + DecodeData dd(stream_data, sizeof(stream_data)); + + // Negative skip after EOS isn't alowed, still EOS. + memset(buffer, 0xbd, sizeof(buffer)); + EXPECT_EQ(8, opj_skip_from_memory(8, &dd)); + EXPECT_EQ(kSkipError, opj_skip_from_memory(-4, &dd)); + + // Next read fails. EXPECT_EQ(kReadError, opj_read_from_memory(buffer, 1, &dd)); EXPECT_EQ(0xbd, buffer[0]); + } +} + +TEST(fxcodec, DecodeDataSeek) { + unsigned char buffer[16]; + DecodeData dd(stream_data, sizeof(stream_data)); + + // Seeking within buffer is allowed and read succeeds + memset(buffer, 0xbd, sizeof(buffer)); + EXPECT_TRUE(opj_seek_from_memory(1, &dd)); + EXPECT_EQ(1u, opj_read_from_memory(buffer, 1, &dd)); + EXPECT_EQ(0x01, buffer[0]); + EXPECT_EQ(0xbd, buffer[1]); + + // Seeking before start returns error leaving position unchanged. + memset(buffer, 0xbd, sizeof(buffer)); + EXPECT_FALSE(opj_seek_from_memory(-1, &dd)); + EXPECT_EQ(1, opj_read_from_memory(buffer, 1, &dd)); + EXPECT_EQ(0x02, buffer[0]); + EXPECT_EQ(0xbd, buffer[1]); + + // Seeking way before start returns error leaving position unchanged. + memset(buffer, 0xbd, sizeof(buffer)); + EXPECT_FALSE( + opj_seek_from_memory(std::numeric_limits<OPJ_OFF_T>::min(), &dd)); + EXPECT_EQ(1, opj_read_from_memory(buffer, 1, &dd)); + EXPECT_EQ(0x03, buffer[0]); + EXPECT_EQ(0xbd, buffer[1]); + + // Seeking exactly to EOS is allowed but read fails. + memset(buffer, 0xbd, sizeof(buffer)); + EXPECT_TRUE(opj_seek_from_memory(8, &dd)); + EXPECT_EQ(kReadError, opj_read_from_memory(buffer, 1, &dd)); + EXPECT_EQ(0xbd, buffer[0]); + + // Seeking back to zero offset is allowed and read succeeds. + memset(buffer, 0xbd, sizeof(buffer)); + EXPECT_TRUE(opj_seek_from_memory(0, &dd)); + EXPECT_EQ(1u, opj_read_from_memory(buffer, 1, &dd)); + EXPECT_EQ(0x00, buffer[0]); + EXPECT_EQ(0xbd, buffer[1]); + + // Seeking beyond end of stream is allowed but read fails. + memset(buffer, 0xbd, sizeof(buffer)); + EXPECT_TRUE(opj_seek_from_memory(16, &dd)); + EXPECT_EQ(kReadError, opj_read_from_memory(buffer, 1, &dd)); + EXPECT_EQ(0xbd, buffer[0]); + + // Seeking within buffer after seek past EOF restores good state. + memset(buffer, 0xbd, sizeof(buffer)); + EXPECT_TRUE(opj_seek_from_memory(4, &dd)); + EXPECT_EQ(1u, opj_read_from_memory(buffer, 1, &dd)); + EXPECT_EQ(0x84, buffer[0]); + EXPECT_EQ(0xbd, buffer[1]); + + // Seeking way beyond EOS is allowed, doesn't wrap, and read fails. + memset(buffer, 0xbd, sizeof(buffer)); + EXPECT_TRUE(opj_seek_from_memory(std::numeric_limits<OPJ_OFF_T>::max(), &dd)); + EXPECT_EQ(kReadError, opj_read_from_memory(buffer, 1, &dd)); + EXPECT_EQ(0xbd, buffer[0]); } diff --git a/core/src/fxcodec/codec/fx_codec_png.cpp b/core/src/fxcodec/codec/fx_codec_png.cpp index b96ccf6dec..f824414c8e 100644 --- a/core/src/fxcodec/codec/fx_codec_png.cpp +++ b/core/src/fxcodec/codec/fx_codec_png.cpp @@ -11,238 +11,242 @@ extern "C" { #undef FAR
#include "../fx_lpng/include/fx_png.h"
}
-static void _png_error_data(png_structp png_ptr, png_const_charp error_msg)
-{
- if(png_get_error_ptr(png_ptr)) {
- FXSYS_strncpy((char*)png_get_error_ptr(png_ptr), error_msg, PNG_ERROR_SIZE - 1);
- }
- longjmp(png_jmpbuf(png_ptr), 1);
-}
-static void _png_warning_data(png_structp png_ptr, png_const_charp error_msg)
-{
+static void _png_error_data(png_structp png_ptr, png_const_charp error_msg) {
+ if (png_get_error_ptr(png_ptr)) {
+ FXSYS_strncpy((char*)png_get_error_ptr(png_ptr), error_msg,
+ PNG_ERROR_SIZE - 1);
+ }
+ longjmp(png_jmpbuf(png_ptr), 1);
}
-static void _png_load_bmp_attribute(png_structp png_ptr, png_infop info_ptr, CFX_DIBAttribute* pAttribute)
-{
- if (pAttribute) {
+static void _png_warning_data(png_structp png_ptr, png_const_charp error_msg) {}
+static void _png_load_bmp_attribute(png_structp png_ptr,
+ png_infop info_ptr,
+ CFX_DIBAttribute* pAttribute) {
+ if (pAttribute) {
#if defined(PNG_pHYs_SUPPORTED)
- pAttribute->m_nXDPI = png_get_x_pixels_per_meter(png_ptr, info_ptr);
- pAttribute->m_nYDPI = png_get_y_pixels_per_meter(png_ptr, info_ptr);
- png_uint_32 res_x, res_y;
- int unit_type;
- png_get_pHYs(png_ptr, info_ptr, &res_x, &res_y, &unit_type);
- switch (unit_type) {
- case PNG_RESOLUTION_METER:
- pAttribute->m_wDPIUnit = FXCODEC_RESUNIT_METER;
- break;
- default:
- pAttribute->m_wDPIUnit = FXCODEC_RESUNIT_NONE;
- }
+ pAttribute->m_nXDPI = png_get_x_pixels_per_meter(png_ptr, info_ptr);
+ pAttribute->m_nYDPI = png_get_y_pixels_per_meter(png_ptr, info_ptr);
+ png_uint_32 res_x, res_y;
+ int unit_type;
+ png_get_pHYs(png_ptr, info_ptr, &res_x, &res_y, &unit_type);
+ switch (unit_type) {
+ case PNG_RESOLUTION_METER:
+ pAttribute->m_wDPIUnit = FXCODEC_RESUNIT_METER;
+ break;
+ default:
+ pAttribute->m_wDPIUnit = FXCODEC_RESUNIT_NONE;
+ }
#endif
#if defined(PNG_iCCP_SUPPORTED)
- png_charp icc_name;
- png_bytep icc_profile;
- png_uint_32 icc_proflen;
- int compress_type;
- png_get_iCCP(png_ptr, info_ptr, &icc_name, &compress_type, &icc_profile, &icc_proflen);
+ png_charp icc_name;
+ png_bytep icc_profile;
+ png_uint_32 icc_proflen;
+ int compress_type;
+ png_get_iCCP(png_ptr, info_ptr, &icc_name, &compress_type, &icc_profile,
+ &icc_proflen);
#endif
- int bTime = 0;
+ int bTime = 0;
#if defined(PNG_tIME_SUPPORTED)
- png_timep t = NULL;
- png_get_tIME(png_ptr, info_ptr, &t);
- if (t) {
- FXSYS_memset(pAttribute->m_strTime, 0, sizeof(pAttribute->m_strTime));
- FXSYS_snprintf((FX_CHAR*)pAttribute->m_strTime, sizeof(pAttribute->m_strTime), "%4d:%2d:%2d %2d:%2d:%2d",
- t->year, t->month, t->day, t->hour, t->minute, t->second);
- pAttribute->m_strTime[sizeof(pAttribute->m_strTime) - 1] = 0;
- bTime = 1;
- }
+ png_timep t = NULL;
+ png_get_tIME(png_ptr, info_ptr, &t);
+ if (t) {
+ FXSYS_memset(pAttribute->m_strTime, 0, sizeof(pAttribute->m_strTime));
+ FXSYS_snprintf((FX_CHAR*)pAttribute->m_strTime,
+ sizeof(pAttribute->m_strTime), "%4d:%2d:%2d %2d:%2d:%2d",
+ t->year, t->month, t->day, t->hour, t->minute, t->second);
+ pAttribute->m_strTime[sizeof(pAttribute->m_strTime) - 1] = 0;
+ bTime = 1;
+ }
#endif
#if defined(PNG_TEXT_SUPPORTED)
- int i;
- FX_DWORD len;
- const FX_CHAR* buf;
- int num_text;
- png_textp text = NULL;
- png_get_text(png_ptr, info_ptr, &text, &num_text);
- for (i = 0; i < num_text; i++) {
- len = (FX_DWORD)FXSYS_strlen(text[i].key);
- buf = "Time";
- if (!FXSYS_memcmp(buf, text[i].key, FX_MIN(len, FXSYS_strlen(buf)))) {
- if (!bTime) {
- FXSYS_memset(pAttribute->m_strTime, 0, sizeof(pAttribute->m_strTime));
- FXSYS_memcpy(pAttribute->m_strTime, text[i].text,
- FX_MIN(sizeof(pAttribute->m_strTime) - 1, text[i].text_length));
- }
- } else {
- buf = "Author";
- if (!FXSYS_memcmp(buf, text[i].key, FX_MIN(len, FXSYS_strlen(buf)))) {
- pAttribute->m_strAuthor.Empty();
- pAttribute->m_strAuthor.Load((uint8_t*)text[i].text, (FX_STRSIZE)text[i].text_length);
- }
- }
+ int i;
+ FX_DWORD len;
+ const FX_CHAR* buf;
+ int num_text;
+ png_textp text = NULL;
+ png_get_text(png_ptr, info_ptr, &text, &num_text);
+ for (i = 0; i < num_text; i++) {
+ len = (FX_DWORD)FXSYS_strlen(text[i].key);
+ buf = "Time";
+ if (!FXSYS_memcmp(buf, text[i].key, FX_MIN(len, FXSYS_strlen(buf)))) {
+ if (!bTime) {
+ FXSYS_memset(pAttribute->m_strTime, 0, sizeof(pAttribute->m_strTime));
+ FXSYS_memcpy(
+ pAttribute->m_strTime, text[i].text,
+ FX_MIN(sizeof(pAttribute->m_strTime) - 1, text[i].text_length));
}
-#endif
+ } else {
+ buf = "Author";
+ if (!FXSYS_memcmp(buf, text[i].key, FX_MIN(len, FXSYS_strlen(buf)))) {
+ pAttribute->m_strAuthor.Empty();
+ pAttribute->m_strAuthor.Load((uint8_t*)text[i].text,
+ (FX_STRSIZE)text[i].text_length);
+ }
+ }
}
+#endif
+ }
}
struct FXPNG_Context {
- png_structp png_ptr;
- png_infop info_ptr;
- void* parent_ptr;
- void* child_ptr;
+ png_structp png_ptr;
+ png_infop info_ptr;
+ void* parent_ptr;
+ void* child_ptr;
- void* (*m_AllocFunc)(unsigned int);
- void (*m_FreeFunc)(void*);
+ void* (*m_AllocFunc)(unsigned int);
+ void (*m_FreeFunc)(void*);
};
extern "C" {
- static void* _png_alloc_func(unsigned int size)
- {
- return FX_Alloc(char, size);
- }
- static void _png_free_func(void* p)
- {
- if(p != NULL) {
- FX_Free(p);
- }
- }
+static void* _png_alloc_func(unsigned int size) {
+ return FX_Alloc(char, size);
+}
+static void _png_free_func(void* p) {
+ if (p != NULL) {
+ FX_Free(p);
+ }
+}
};
-static void _png_get_header_func(png_structp png_ptr, png_infop info_ptr)
-{
- FXPNG_Context* p = (FXPNG_Context*)png_get_progressive_ptr(png_ptr);
- if(p == NULL) {
- return;
- }
- CCodec_PngModule* pModule = (CCodec_PngModule*)p->parent_ptr;
- if(pModule == NULL) {
- return;
- }
- png_uint_32 width = 0, height = 0;
- int bpc = 0, color_type = 0 , color_type1 = 0, pass = 0;
- double gamma = 1.0;
- png_get_IHDR(png_ptr, info_ptr, &width, &height, &bpc, &color_type, NULL, NULL, NULL);
- color_type1 = color_type;
- if(bpc > 8) {
- png_set_strip_16(png_ptr);
- } else if(bpc < 8) {
- png_set_expand_gray_1_2_4_to_8(png_ptr);
- }
- bpc = 8;
- if(color_type == PNG_COLOR_TYPE_PALETTE) {
- png_set_palette_to_rgb(png_ptr);
- }
- pass = png_set_interlace_handling(png_ptr);
- if(!pModule->ReadHeaderCallback(p->child_ptr, width, height, bpc, pass, &color_type, &gamma)) {
- png_error(p->png_ptr, "Read Header Callback Error");
- }
- int intent;
- if (png_get_sRGB(png_ptr, info_ptr, &intent)) {
- png_set_gamma(png_ptr, gamma, 0.45455);
+static void _png_get_header_func(png_structp png_ptr, png_infop info_ptr) {
+ FXPNG_Context* p = (FXPNG_Context*)png_get_progressive_ptr(png_ptr);
+ if (p == NULL) {
+ return;
+ }
+ CCodec_PngModule* pModule = (CCodec_PngModule*)p->parent_ptr;
+ if (pModule == NULL) {
+ return;
+ }
+ png_uint_32 width = 0, height = 0;
+ int bpc = 0, color_type = 0, color_type1 = 0, pass = 0;
+ double gamma = 1.0;
+ png_get_IHDR(png_ptr, info_ptr, &width, &height, &bpc, &color_type, NULL,
+ NULL, NULL);
+ color_type1 = color_type;
+ if (bpc > 8) {
+ png_set_strip_16(png_ptr);
+ } else if (bpc < 8) {
+ png_set_expand_gray_1_2_4_to_8(png_ptr);
+ }
+ bpc = 8;
+ if (color_type == PNG_COLOR_TYPE_PALETTE) {
+ png_set_palette_to_rgb(png_ptr);
+ }
+ pass = png_set_interlace_handling(png_ptr);
+ if (!pModule->ReadHeaderCallback(p->child_ptr, width, height, bpc, pass,
+ &color_type, &gamma)) {
+ png_error(p->png_ptr, "Read Header Callback Error");
+ }
+ int intent;
+ if (png_get_sRGB(png_ptr, info_ptr, &intent)) {
+ png_set_gamma(png_ptr, gamma, 0.45455);
+ } else {
+ double image_gamma;
+ if (png_get_gAMA(png_ptr, info_ptr, &image_gamma)) {
+ png_set_gamma(png_ptr, gamma, image_gamma);
} else {
- double image_gamma;
- if(png_get_gAMA(png_ptr, info_ptr, &image_gamma)) {
- png_set_gamma(png_ptr, gamma, image_gamma);
- } else {
- png_set_gamma(png_ptr, gamma, 0.45455);
- }
- }
- switch(color_type) {
- case PNG_COLOR_TYPE_GRAY:
- case PNG_COLOR_TYPE_GRAY_ALPHA: {
- if(color_type1 & PNG_COLOR_MASK_COLOR) {
- png_set_rgb_to_gray(png_ptr, 1, 0.299, 0.587);
- }
- }
- break;
- case PNG_COLOR_TYPE_PALETTE:
- if(color_type1 != PNG_COLOR_TYPE_PALETTE) {
- png_error(p->png_ptr, "Not Support Output Palette Now");
- }
- case PNG_COLOR_TYPE_RGB:
- case PNG_COLOR_TYPE_RGB_ALPHA:
- if(!(color_type1 & PNG_COLOR_MASK_COLOR)) {
- png_set_gray_to_rgb(png_ptr);
- }
- png_set_bgr(png_ptr);
- break;
- }
- if(!(color_type & PNG_COLOR_MASK_ALPHA)) {
- png_set_strip_alpha(png_ptr);
- }
- if(color_type & PNG_COLOR_MASK_ALPHA && !(color_type1 & PNG_COLOR_MASK_ALPHA)) {
- png_set_filler(png_ptr, 0xff, PNG_FILLER_AFTER);
- }
- png_read_update_info(png_ptr, info_ptr);
+ png_set_gamma(png_ptr, gamma, 0.45455);
+ }
+ }
+ switch (color_type) {
+ case PNG_COLOR_TYPE_GRAY:
+ case PNG_COLOR_TYPE_GRAY_ALPHA: {
+ if (color_type1 & PNG_COLOR_MASK_COLOR) {
+ png_set_rgb_to_gray(png_ptr, 1, 0.299, 0.587);
+ }
+ } break;
+ case PNG_COLOR_TYPE_PALETTE:
+ if (color_type1 != PNG_COLOR_TYPE_PALETTE) {
+ png_error(p->png_ptr, "Not Support Output Palette Now");
+ }
+ case PNG_COLOR_TYPE_RGB:
+ case PNG_COLOR_TYPE_RGB_ALPHA:
+ if (!(color_type1 & PNG_COLOR_MASK_COLOR)) {
+ png_set_gray_to_rgb(png_ptr);
+ }
+ png_set_bgr(png_ptr);
+ break;
+ }
+ if (!(color_type & PNG_COLOR_MASK_ALPHA)) {
+ png_set_strip_alpha(png_ptr);
+ }
+ if (color_type & PNG_COLOR_MASK_ALPHA &&
+ !(color_type1 & PNG_COLOR_MASK_ALPHA)) {
+ png_set_filler(png_ptr, 0xff, PNG_FILLER_AFTER);
+ }
+ png_read_update_info(png_ptr, info_ptr);
}
static void _png_get_end_func(png_structp png_ptr, png_infop info_ptr) {}
-static void _png_get_row_func(png_structp png_ptr, png_bytep new_row, png_uint_32 row_num, int pass)
-{
- FXPNG_Context* p = (FXPNG_Context*)png_get_progressive_ptr(png_ptr);
- if(p == NULL) {
- return;
- }
- CCodec_PngModule* pModule = (CCodec_PngModule*)p->parent_ptr;
- uint8_t* src_buf = NULL;
- if(!pModule->AskScanlineBufCallback(p->child_ptr, row_num, src_buf)) {
- png_error(png_ptr, "Ask Scanline buffer Callback Error");
- }
- if(src_buf != NULL) {
- png_progressive_combine_row(png_ptr, src_buf, new_row);
- }
- pModule->FillScanlineBufCompletedCallback(p->child_ptr, pass, row_num);
+static void _png_get_row_func(png_structp png_ptr,
+ png_bytep new_row,
+ png_uint_32 row_num,
+ int pass) {
+ FXPNG_Context* p = (FXPNG_Context*)png_get_progressive_ptr(png_ptr);
+ if (p == NULL) {
+ return;
+ }
+ CCodec_PngModule* pModule = (CCodec_PngModule*)p->parent_ptr;
+ uint8_t* src_buf = NULL;
+ if (!pModule->AskScanlineBufCallback(p->child_ptr, row_num, src_buf)) {
+ png_error(png_ptr, "Ask Scanline buffer Callback Error");
+ }
+ if (src_buf != NULL) {
+ png_progressive_combine_row(png_ptr, src_buf, new_row);
+ }
+ pModule->FillScanlineBufCompletedCallback(p->child_ptr, pass, row_num);
}
-void* CCodec_PngModule::Start(void* pModule)
-{
- FXPNG_Context* p = (FXPNG_Context*)FX_Alloc(uint8_t, sizeof(FXPNG_Context));
- if(p == NULL) {
- return NULL;
- }
- p->m_AllocFunc = _png_alloc_func;
- p->m_FreeFunc = _png_free_func;
- p->png_ptr = NULL;
- p->info_ptr = NULL;
- p->parent_ptr = (void*)this;
- p->child_ptr = pModule;
- p->png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
- if (p->png_ptr == NULL) {
- FX_Free(p);
- return NULL;
- }
- p->info_ptr = png_create_info_struct(p->png_ptr);
- if (p->info_ptr == NULL) {
- png_destroy_read_struct(&(p->png_ptr), (png_infopp)NULL, (png_infopp)NULL);
- FX_Free(p);
- return NULL;
- }
- if (setjmp(png_jmpbuf(p->png_ptr))) {
- if(p != NULL) {
- png_destroy_read_struct(&(p->png_ptr), &(p->info_ptr), (png_infopp)NULL);
- FX_Free(p);
- }
- return NULL;
- }
- png_set_progressive_read_fn(p->png_ptr, p,
- _png_get_header_func,
- _png_get_row_func,
- _png_get_end_func);
- png_set_error_fn(p->png_ptr, m_szLastError, (png_error_ptr)_png_error_data, (png_error_ptr)_png_warning_data);
- return p;
+void* CCodec_PngModule::Start(void* pModule) {
+ FXPNG_Context* p = (FXPNG_Context*)FX_Alloc(uint8_t, sizeof(FXPNG_Context));
+ if (p == NULL) {
+ return NULL;
+ }
+ p->m_AllocFunc = _png_alloc_func;
+ p->m_FreeFunc = _png_free_func;
+ p->png_ptr = NULL;
+ p->info_ptr = NULL;
+ p->parent_ptr = (void*)this;
+ p->child_ptr = pModule;
+ p->png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
+ if (p->png_ptr == NULL) {
+ FX_Free(p);
+ return NULL;
+ }
+ p->info_ptr = png_create_info_struct(p->png_ptr);
+ if (p->info_ptr == NULL) {
+ png_destroy_read_struct(&(p->png_ptr), (png_infopp)NULL, (png_infopp)NULL);
+ FX_Free(p);
+ return NULL;
+ }
+ if (setjmp(png_jmpbuf(p->png_ptr))) {
+ if (p != NULL) {
+ png_destroy_read_struct(&(p->png_ptr), &(p->info_ptr), (png_infopp)NULL);
+ FX_Free(p);
+ }
+ return NULL;
+ }
+ png_set_progressive_read_fn(p->png_ptr, p, _png_get_header_func,
+ _png_get_row_func, _png_get_end_func);
+ png_set_error_fn(p->png_ptr, m_szLastError, (png_error_ptr)_png_error_data,
+ (png_error_ptr)_png_warning_data);
+ return p;
}
-void CCodec_PngModule::Finish(void* pContext)
-{
- FXPNG_Context* p = (FXPNG_Context*)pContext;
- if(p != NULL) {
- png_destroy_read_struct(&(p->png_ptr), &(p->info_ptr), (png_infopp)NULL);
- p->m_FreeFunc(p);
- }
+void CCodec_PngModule::Finish(void* pContext) {
+ FXPNG_Context* p = (FXPNG_Context*)pContext;
+ if (p != NULL) {
+ png_destroy_read_struct(&(p->png_ptr), &(p->info_ptr), (png_infopp)NULL);
+ p->m_FreeFunc(p);
+ }
}
-FX_BOOL CCodec_PngModule::Input(void* pContext, const uint8_t* src_buf, FX_DWORD src_size, CFX_DIBAttribute* pAttribute)
-{
- FXPNG_Context* p = (FXPNG_Context*)pContext;
- if(setjmp(png_jmpbuf(p->png_ptr))) {
- if (pAttribute && 0 == FXSYS_strcmp(m_szLastError, "Read Header Callback Error")) {
- _png_load_bmp_attribute(p->png_ptr, p->info_ptr, pAttribute);
- }
- return FALSE;
- }
- png_process_data(p->png_ptr, p->info_ptr, (uint8_t*)src_buf, src_size);
- return TRUE;
+FX_BOOL CCodec_PngModule::Input(void* pContext,
+ const uint8_t* src_buf,
+ FX_DWORD src_size,
+ CFX_DIBAttribute* pAttribute) {
+ FXPNG_Context* p = (FXPNG_Context*)pContext;
+ if (setjmp(png_jmpbuf(p->png_ptr))) {
+ if (pAttribute &&
+ 0 == FXSYS_strcmp(m_szLastError, "Read Header Callback Error")) {
+ _png_load_bmp_attribute(p->png_ptr, p->info_ptr, pAttribute);
+ }
+ return FALSE;
+ }
+ png_process_data(p->png_ptr, p->info_ptr, (uint8_t*)src_buf, src_size);
+ return TRUE;
}
diff --git a/core/src/fxcodec/codec/fx_codec_progress.cpp b/core/src/fxcodec/codec/fx_codec_progress.cpp index 33398f0663..0ad4c2a668 100644 --- a/core/src/fxcodec/codec/fx_codec_progress.cpp +++ b/core/src/fxcodec/codec/fx_codec_progress.cpp @@ -7,2232 +7,2346 @@ #include "../../../include/fxge/fx_dib.h"
#include "../../../include/fxcodec/fx_codec.h"
#include "fx_codec_progress.h"
-void CFXCODEC_WeightTable::Calc(int dest_len, int dest_min, int dest_max, int src_len, int src_min, int src_max, FX_BOOL bInterpol)
-{
- if (m_pWeightTables) {
- FX_Free(m_pWeightTables);
- }
- double scale, base;
- scale = FXSYS_Div((FX_FLOAT)(src_len), (FX_FLOAT)(dest_len));
- if (dest_len < 0) {
- base = (FX_FLOAT)(src_len);
- } else {
- base = 0.0f;
- }
- m_ItemSize = (int)(sizeof(int) * 2 + sizeof(int) * (FXSYS_ceil(FXSYS_fabs((FX_FLOAT)scale)) + 1));
- m_DestMin = dest_min;
- m_pWeightTables = FX_Alloc(uint8_t, (dest_max - dest_min) * m_ItemSize + 4);
- if(m_pWeightTables == NULL) {
- return;
- }
- if (FXSYS_fabs((FX_FLOAT)scale) < 1.0f) {
- for (int dest_pixel = dest_min; dest_pixel < dest_max; dest_pixel ++) {
- PixelWeight& pixel_weights = *GetPixelWeight(dest_pixel);
- double src_pos = dest_pixel * scale + scale / 2 + base;
- if (bInterpol) {
- pixel_weights.m_SrcStart = (int)FXSYS_floor((FX_FLOAT)src_pos - 1.0f / 2);
- pixel_weights.m_SrcEnd = (int)FXSYS_floor((FX_FLOAT)src_pos + 1.0f / 2);
- if (pixel_weights.m_SrcStart < src_min) {
- pixel_weights.m_SrcStart = src_min;
- }
- if (pixel_weights.m_SrcEnd >= src_max) {
- pixel_weights.m_SrcEnd = src_max - 1;
- }
- if (pixel_weights.m_SrcStart == pixel_weights.m_SrcEnd) {
- pixel_weights.m_Weights[0] = 65536;
- } else {
- pixel_weights.m_Weights[1] = FXSYS_round((FX_FLOAT)(src_pos - pixel_weights.m_SrcStart - 1.0f / 2) * 65536);
- pixel_weights.m_Weights[0] = 65536 - pixel_weights.m_Weights[1];
- }
- } else {
- pixel_weights.m_SrcStart = pixel_weights.m_SrcEnd = (int)FXSYS_floor((FX_FLOAT)src_pos);
- pixel_weights.m_Weights[0] = 65536;
- }
- }
- return;
- }
- for (int dest_pixel = dest_min; dest_pixel < dest_max; dest_pixel ++) {
- PixelWeight& pixel_weights = *GetPixelWeight(dest_pixel);
- double src_start = dest_pixel * scale + base;
- double src_end = src_start + scale;
- int start_i, end_i;
- if (src_start < src_end) {
- start_i = (int)FXSYS_floor((FX_FLOAT)src_start);
- end_i = (int)FXSYS_ceil((FX_FLOAT)src_end);
- } else {
- start_i = (int)FXSYS_floor((FX_FLOAT)src_end);
- end_i = (int)FXSYS_ceil((FX_FLOAT)src_start);
- }
- if (start_i < src_min) {
- start_i = src_min;
- }
- if (end_i >= src_max) {
- end_i = src_max - 1;
+void CFXCODEC_WeightTable::Calc(int dest_len,
+ int dest_min,
+ int dest_max,
+ int src_len,
+ int src_min,
+ int src_max,
+ FX_BOOL bInterpol) {
+ if (m_pWeightTables) {
+ FX_Free(m_pWeightTables);
+ }
+ double scale, base;
+ scale = FXSYS_Div((FX_FLOAT)(src_len), (FX_FLOAT)(dest_len));
+ if (dest_len < 0) {
+ base = (FX_FLOAT)(src_len);
+ } else {
+ base = 0.0f;
+ }
+ m_ItemSize =
+ (int)(sizeof(int) * 2 +
+ sizeof(int) * (FXSYS_ceil(FXSYS_fabs((FX_FLOAT)scale)) + 1));
+ m_DestMin = dest_min;
+ m_pWeightTables = FX_Alloc(uint8_t, (dest_max - dest_min) * m_ItemSize + 4);
+ if (m_pWeightTables == NULL) {
+ return;
+ }
+ if (FXSYS_fabs((FX_FLOAT)scale) < 1.0f) {
+ for (int dest_pixel = dest_min; dest_pixel < dest_max; dest_pixel++) {
+ PixelWeight& pixel_weights = *GetPixelWeight(dest_pixel);
+ double src_pos = dest_pixel * scale + scale / 2 + base;
+ if (bInterpol) {
+ pixel_weights.m_SrcStart =
+ (int)FXSYS_floor((FX_FLOAT)src_pos - 1.0f / 2);
+ pixel_weights.m_SrcEnd = (int)FXSYS_floor((FX_FLOAT)src_pos + 1.0f / 2);
+ if (pixel_weights.m_SrcStart < src_min) {
+ pixel_weights.m_SrcStart = src_min;
}
- if (start_i > end_i) {
- pixel_weights.m_SrcStart = start_i;
- pixel_weights.m_SrcEnd = start_i;
- continue;
+ if (pixel_weights.m_SrcEnd >= src_max) {
+ pixel_weights.m_SrcEnd = src_max - 1;
}
- pixel_weights.m_SrcStart = start_i;
- pixel_weights.m_SrcEnd = end_i;
- for (int j = start_i; j <= end_i; j ++) {
- double dest_start = FXSYS_Div((FX_FLOAT)(j) - base, scale);
- double dest_end = FXSYS_Div((FX_FLOAT)(j + 1) - base, scale);
- if (dest_start > dest_end) {
- double temp = dest_start;
- dest_start = dest_end;
- dest_end = temp;
- }
- double area_start = dest_start > (FX_FLOAT)(dest_pixel) ? dest_start : (FX_FLOAT)(dest_pixel);
- double area_end = dest_end > (FX_FLOAT)(dest_pixel + 1) ? (FX_FLOAT)(dest_pixel + 1) : dest_end;
- double weight = area_start >= area_end ? 0.0f : area_end - area_start;
- if (weight == 0 && j == end_i) {
- pixel_weights.m_SrcEnd --;
- break;
- }
- pixel_weights.m_Weights[j - start_i] = FXSYS_round((FX_FLOAT)(weight * 65536));
+ if (pixel_weights.m_SrcStart == pixel_weights.m_SrcEnd) {
+ pixel_weights.m_Weights[0] = 65536;
+ } else {
+ pixel_weights.m_Weights[1] = FXSYS_round(
+ (FX_FLOAT)(src_pos - pixel_weights.m_SrcStart - 1.0f / 2) *
+ 65536);
+ pixel_weights.m_Weights[0] = 65536 - pixel_weights.m_Weights[1];
}
- }
+ } else {
+ pixel_weights.m_SrcStart = pixel_weights.m_SrcEnd =
+ (int)FXSYS_floor((FX_FLOAT)src_pos);
+ pixel_weights.m_Weights[0] = 65536;
+ }
+ }
+ return;
+ }
+ for (int dest_pixel = dest_min; dest_pixel < dest_max; dest_pixel++) {
+ PixelWeight& pixel_weights = *GetPixelWeight(dest_pixel);
+ double src_start = dest_pixel * scale + base;
+ double src_end = src_start + scale;
+ int start_i, end_i;
+ if (src_start < src_end) {
+ start_i = (int)FXSYS_floor((FX_FLOAT)src_start);
+ end_i = (int)FXSYS_ceil((FX_FLOAT)src_end);
+ } else {
+ start_i = (int)FXSYS_floor((FX_FLOAT)src_end);
+ end_i = (int)FXSYS_ceil((FX_FLOAT)src_start);
+ }
+ if (start_i < src_min) {
+ start_i = src_min;
+ }
+ if (end_i >= src_max) {
+ end_i = src_max - 1;
+ }
+ if (start_i > end_i) {
+ pixel_weights.m_SrcStart = start_i;
+ pixel_weights.m_SrcEnd = start_i;
+ continue;
+ }
+ pixel_weights.m_SrcStart = start_i;
+ pixel_weights.m_SrcEnd = end_i;
+ for (int j = start_i; j <= end_i; j++) {
+ double dest_start = FXSYS_Div((FX_FLOAT)(j)-base, scale);
+ double dest_end = FXSYS_Div((FX_FLOAT)(j + 1) - base, scale);
+ if (dest_start > dest_end) {
+ double temp = dest_start;
+ dest_start = dest_end;
+ dest_end = temp;
+ }
+ double area_start = dest_start > (FX_FLOAT)(dest_pixel)
+ ? dest_start
+ : (FX_FLOAT)(dest_pixel);
+ double area_end = dest_end > (FX_FLOAT)(dest_pixel + 1)
+ ? (FX_FLOAT)(dest_pixel + 1)
+ : dest_end;
+ double weight = area_start >= area_end ? 0.0f : area_end - area_start;
+ if (weight == 0 && j == end_i) {
+ pixel_weights.m_SrcEnd--;
+ break;
+ }
+ pixel_weights.m_Weights[j - start_i] =
+ FXSYS_round((FX_FLOAT)(weight * 65536));
+ }
+ }
}
-void CFXCODEC_HorzTable::Calc(int dest_len, int src_len, FX_BOOL bInterpol)
-{
- if (m_pWeightTables) {
- FX_Free(m_pWeightTables);
- }
- double scale = (double)dest_len / (double)src_len;
- m_ItemSize = sizeof(int) * 4;
- int size = dest_len * m_ItemSize + 4;
- m_pWeightTables = FX_Alloc(uint8_t, size);
- if(m_pWeightTables == NULL) {
+void CFXCODEC_HorzTable::Calc(int dest_len, int src_len, FX_BOOL bInterpol) {
+ if (m_pWeightTables) {
+ FX_Free(m_pWeightTables);
+ }
+ double scale = (double)dest_len / (double)src_len;
+ m_ItemSize = sizeof(int) * 4;
+ int size = dest_len * m_ItemSize + 4;
+ m_pWeightTables = FX_Alloc(uint8_t, size);
+ if (m_pWeightTables == NULL) {
+ return;
+ }
+ FXSYS_memset(m_pWeightTables, 0, size);
+ if (scale > 1) {
+ int pre_des_col = 0;
+ for (int src_col = 0; src_col < src_len; src_col++) {
+ double des_col_f = src_col * scale;
+ int des_col = FXSYS_round((FX_FLOAT)des_col_f);
+ PixelWeight* pWeight =
+ (PixelWeight*)(m_pWeightTables + des_col * m_ItemSize);
+ pWeight->m_SrcStart = pWeight->m_SrcEnd = src_col;
+ pWeight->m_Weights[0] = 65536;
+ pWeight->m_Weights[1] = 0;
+ if (src_col == src_len - 1 && des_col < dest_len - 1) {
+ for (int des_col_index = pre_des_col + 1; des_col_index < dest_len;
+ des_col_index++) {
+ pWeight =
+ (PixelWeight*)(m_pWeightTables + des_col_index * m_ItemSize);
+ pWeight->m_SrcStart = pWeight->m_SrcEnd = src_col;
+ pWeight->m_Weights[0] = 65536;
+ pWeight->m_Weights[1] = 0;
+ }
return;
- }
- FXSYS_memset(m_pWeightTables, 0, size);
- if(scale > 1) {
- int pre_des_col = 0;
- for (int src_col = 0; src_col < src_len; src_col++) {
- double des_col_f = src_col * scale;
- int des_col = FXSYS_round((FX_FLOAT)des_col_f);
- PixelWeight* pWeight = (PixelWeight*)(m_pWeightTables + des_col * m_ItemSize);
- pWeight->m_SrcStart = pWeight->m_SrcEnd = src_col;
- pWeight->m_Weights[0] = 65536;
- pWeight->m_Weights[1] = 0;
- if(src_col == src_len - 1 && des_col < dest_len - 1) {
- for (int des_col_index = pre_des_col + 1; des_col_index < dest_len; des_col_index++) {
- pWeight = (PixelWeight*)(m_pWeightTables + des_col_index * m_ItemSize);
- pWeight->m_SrcStart = pWeight->m_SrcEnd = src_col;
- pWeight->m_Weights[0] = 65536;
- pWeight->m_Weights[1] = 0;
- }
- return;
- }
- int des_col_len = des_col - pre_des_col;
- for (int des_col_index = pre_des_col + 1; des_col_index < des_col; des_col_index++) {
- pWeight = (PixelWeight*)(m_pWeightTables + des_col_index * m_ItemSize);
- pWeight->m_SrcStart = src_col - 1;
- pWeight->m_SrcEnd = src_col;
- pWeight->m_Weights[0] = bInterpol ? FXSYS_round((FX_FLOAT)
- (
- ((FX_FLOAT)des_col - (FX_FLOAT)des_col_index)
- / (FX_FLOAT)des_col_len * 65536
- )
- ) : 65536;
- pWeight->m_Weights[1] = 65536 - pWeight->m_Weights[0];
- }
- pre_des_col = des_col;
+ }
+ int des_col_len = des_col - pre_des_col;
+ for (int des_col_index = pre_des_col + 1; des_col_index < des_col;
+ des_col_index++) {
+ pWeight = (PixelWeight*)(m_pWeightTables + des_col_index * m_ItemSize);
+ pWeight->m_SrcStart = src_col - 1;
+ pWeight->m_SrcEnd = src_col;
+ pWeight->m_Weights[0] =
+ bInterpol ? FXSYS_round((FX_FLOAT)(
+ ((FX_FLOAT)des_col - (FX_FLOAT)des_col_index) /
+ (FX_FLOAT)des_col_len * 65536))
+ : 65536;
+ pWeight->m_Weights[1] = 65536 - pWeight->m_Weights[0];
+ }
+ pre_des_col = des_col;
+ }
+ return;
+ }
+ for (int des_col = 0; des_col < dest_len; des_col++) {
+ double src_col_f = des_col / scale;
+ int src_col = FXSYS_round((FX_FLOAT)src_col_f);
+ PixelWeight* pWeight =
+ (PixelWeight*)(m_pWeightTables + des_col * m_ItemSize);
+ pWeight->m_SrcStart = pWeight->m_SrcEnd = src_col;
+ pWeight->m_Weights[0] = 65536;
+ pWeight->m_Weights[1] = 0;
+ }
+}
+void CFXCODEC_VertTable::Calc(int dest_len, int src_len) {
+ if (m_pWeightTables) {
+ FX_Free(m_pWeightTables);
+ }
+ double scale = (double)dest_len / (double)src_len;
+ m_ItemSize = sizeof(int) * 4;
+ int size = dest_len * m_ItemSize + 4;
+ m_pWeightTables = FX_Alloc(uint8_t, size);
+ if (m_pWeightTables == NULL) {
+ return;
+ }
+ FXSYS_memset(m_pWeightTables, 0, size);
+ if (scale > 1) {
+ double step = 0.0;
+ int src_row = 0;
+ while (step < (double)dest_len) {
+ int start_step = (int)step;
+ step = scale * (++src_row);
+ int end_step = (int)step;
+ if (end_step >= dest_len) {
+ end_step = dest_len;
+ for (int des_row = start_step; des_row < end_step; des_row++) {
+ PixelWeight* pWeight =
+ (PixelWeight*)(m_pWeightTables + des_row * m_ItemSize);
+ pWeight->m_SrcStart = start_step;
+ pWeight->m_SrcEnd = start_step;
+ pWeight->m_Weights[0] = 65536;
+ pWeight->m_Weights[1] = 0;
}
return;
- }
- for (int des_col = 0; des_col < dest_len; des_col++) {
- double src_col_f = des_col / scale;
- int src_col = FXSYS_round((FX_FLOAT)src_col_f);
- PixelWeight* pWeight = (PixelWeight*)(m_pWeightTables + des_col * m_ItemSize);
- pWeight->m_SrcStart = pWeight->m_SrcEnd = src_col;
+ }
+ int length = end_step - start_step;
+ {
+ PixelWeight* pWeight =
+ (PixelWeight*)(m_pWeightTables + start_step * m_ItemSize);
+ pWeight->m_SrcStart = start_step;
+ pWeight->m_SrcEnd = start_step;
pWeight->m_Weights[0] = 65536;
pWeight->m_Weights[1] = 0;
- }
+ }
+ for (int des_row = start_step + 1; des_row < end_step; des_row++) {
+ PixelWeight* pWeight =
+ (PixelWeight*)(m_pWeightTables + des_row * m_ItemSize);
+ pWeight->m_SrcStart = start_step;
+ pWeight->m_SrcEnd = end_step;
+ pWeight->m_Weights[0] = FXSYS_round((FX_FLOAT)(end_step - des_row) /
+ (FX_FLOAT)length * 65536);
+ pWeight->m_Weights[1] = 65536 - pWeight->m_Weights[0];
+ }
+ }
+ } else {
+ for (int des_row = 0; des_row < dest_len; des_row++) {
+ PixelWeight* pWeight =
+ (PixelWeight*)(m_pWeightTables + des_row * m_ItemSize);
+ pWeight->m_SrcStart = des_row;
+ pWeight->m_SrcEnd = des_row;
+ pWeight->m_Weights[0] = 65536;
+ pWeight->m_Weights[1] = 0;
+ }
+ }
+}
+CCodec_ProgressiveDecoder::CCodec_ProgressiveDecoder(
+ CCodec_ModuleMgr* pCodecMgr) {
+ m_pFile = NULL;
+ m_pJpegContext = NULL;
+ m_pPngContext = NULL;
+ m_pGifContext = NULL;
+ m_pBmpContext = NULL;
+ m_pTiffContext = NULL;
+ m_pCodecMgr = NULL;
+ m_pSrcBuf = NULL;
+ m_pDecodeBuf = NULL;
+ m_pDeviceBitmap = NULL;
+ m_pSrcPalette = NULL;
+ m_pCodecMgr = pCodecMgr;
+ m_offSet = 0;
+ m_SrcSize = 0;
+ m_ScanlineSize = 0;
+ m_SrcWidth = m_SrcHeight = 0;
+ m_SrcComponents = 0;
+ m_SrcBPC = 0;
+ m_SrcPassNumber = 0;
+ m_clipBox = FX_RECT(0, 0, 0, 0);
+ m_imagType = FXCODEC_IMAGE_UNKNOWN;
+ m_status = FXCODEC_STATUS_DECODE_FINISH;
+ m_TransMethod = -1;
+ m_SrcRow = 0;
+ m_SrcFormat = FXCodec_Invalid;
+ m_bInterpol = TRUE;
+ m_FrameNumber = 0;
+ m_FrameCur = 0;
+ m_SrcPaletteNumber = 0;
+ m_GifPltNumber = 0;
+ m_GifBgIndex = 0;
+ m_pGifPalette = NULL;
+ m_GifTransIndex = -1;
+ m_GifFrameRect = FX_RECT(0, 0, 0, 0);
+ m_BmpIsTopBottom = FALSE;
+}
+CCodec_ProgressiveDecoder::~CCodec_ProgressiveDecoder() {
+ m_pFile = NULL;
+ if (m_pJpegContext != NULL) {
+ m_pCodecMgr->GetJpegModule()->Finish(m_pJpegContext);
+ }
+ if (m_pPngContext != NULL) {
+ m_pCodecMgr->GetPngModule()->Finish(m_pPngContext);
+ }
+ if (m_pGifContext != NULL) {
+ m_pCodecMgr->GetGifModule()->Finish(m_pGifContext);
+ }
+ if (m_pBmpContext != NULL) {
+ m_pCodecMgr->GetBmpModule()->Finish(m_pBmpContext);
+ }
+ if (m_pTiffContext != NULL) {
+ m_pCodecMgr->GetTiffModule()->DestroyDecoder(m_pTiffContext);
+ }
+ if (m_pSrcBuf != NULL) {
+ FX_Free(m_pSrcBuf);
+ }
+ if (m_pDecodeBuf != NULL) {
+ FX_Free(m_pDecodeBuf);
+ }
+ if (m_pSrcPalette != NULL) {
+ FX_Free(m_pSrcPalette);
+ }
+}
+FX_BOOL CCodec_ProgressiveDecoder::JpegReadMoreData(
+ ICodec_JpegModule* pJpegModule,
+ FXCODEC_STATUS& err_status) {
+ FX_DWORD dwSize = (FX_DWORD)m_pFile->GetSize();
+ if (dwSize <= m_offSet) {
+ return FALSE;
+ }
+ dwSize = dwSize - m_offSet;
+ FX_DWORD dwAvail = pJpegModule->GetAvailInput(m_pJpegContext, NULL);
+ if (dwAvail == m_SrcSize) {
+ if (dwSize > FXCODEC_BLOCK_SIZE) {
+ dwSize = FXCODEC_BLOCK_SIZE;
+ }
+ m_SrcSize = (dwSize + dwAvail + FXCODEC_BLOCK_SIZE - 1) /
+ FXCODEC_BLOCK_SIZE * FXCODEC_BLOCK_SIZE;
+ m_pSrcBuf = FX_Realloc(uint8_t, m_pSrcBuf, m_SrcSize);
+ if (!m_pSrcBuf) {
+ err_status = FXCODEC_STATUS_ERR_MEMORY;
+ return FALSE;
+ }
+ } else {
+ FX_DWORD dwConsume = m_SrcSize - dwAvail;
+ if (dwAvail) {
+ FXSYS_memcpy(m_pSrcBuf, m_pSrcBuf + dwConsume, dwAvail);
+ }
+ if (dwSize > dwConsume) {
+ dwSize = dwConsume;
+ }
+ }
+ if (!m_pFile->ReadBlock(m_pSrcBuf + dwAvail, m_offSet, dwSize)) {
+ err_status = FXCODEC_STATUS_ERR_READ;
+ return FALSE;
+ }
+ m_offSet += dwSize;
+ pJpegModule->Input(m_pJpegContext, m_pSrcBuf, dwSize + dwAvail);
+ return TRUE;
+}
+FX_BOOL CCodec_ProgressiveDecoder::PngReadHeaderFunc(void* pModule,
+ int width,
+ int height,
+ int bpc,
+ int pass,
+ int* color_type,
+ double* gamma) {
+ CCodec_ProgressiveDecoder* pCodec = (CCodec_ProgressiveDecoder*)pModule;
+ if (pCodec->m_pDeviceBitmap == NULL) {
+ pCodec->m_SrcWidth = width;
+ pCodec->m_SrcHeight = height;
+ pCodec->m_SrcBPC = bpc;
+ pCodec->m_SrcPassNumber = pass;
+ pCodec->m_SrcComponents =
+ *color_type == 0 ? 1 : *color_type == 2
+ ? 3
+ : *color_type == 3
+ ? 4
+ : *color_type == 4
+ ? 2
+ : *color_type == 6 ? 4 : 0;
+ pCodec->m_clipBox = FX_RECT(0, 0, width, height);
+ return FALSE;
+ }
+ FXDIB_Format format = pCodec->m_pDeviceBitmap->GetFormat();
+ switch (format) {
+ case FXDIB_1bppMask:
+ case FXDIB_1bppRgb:
+ ASSERT(FALSE);
+ return FALSE;
+ case FXDIB_8bppMask:
+ case FXDIB_8bppRgb:
+ *color_type = 0;
+ break;
+ case FXDIB_Rgb:
+ *color_type = 2;
+ break;
+ case FXDIB_Rgb32:
+ case FXDIB_Argb:
+ *color_type = 6;
+ break;
+ default:
+ ASSERT(FALSE);
+ return FALSE;
+ }
+ *gamma = FXCODEC_PNG_GAMMA;
+ return TRUE;
}
-void CFXCODEC_VertTable::Calc(int dest_len, int src_len)
-{
- if (m_pWeightTables) {
- FX_Free(m_pWeightTables);
+FX_BOOL CCodec_ProgressiveDecoder::PngAskScanlineBufFunc(void* pModule,
+ int line,
+ uint8_t*& src_buf) {
+ CCodec_ProgressiveDecoder* pCodec = (CCodec_ProgressiveDecoder*)pModule;
+ CFX_DIBitmap* pDIBitmap = pCodec->m_pDeviceBitmap;
+ ASSERT(pDIBitmap != NULL);
+ if (pDIBitmap == NULL) {
+ return FALSE;
+ }
+ if (line >= pCodec->m_clipBox.top && line < pCodec->m_clipBox.bottom) {
+ double scale_y =
+ (double)pCodec->m_sizeY / (double)pCodec->m_clipBox.Height();
+ int32_t row =
+ (int32_t)((line - pCodec->m_clipBox.top) * scale_y) + pCodec->m_startY;
+ uint8_t* src_scan = (uint8_t*)pDIBitmap->GetScanline(row);
+ uint8_t* des_scan = pCodec->m_pDecodeBuf;
+ src_buf = pCodec->m_pDecodeBuf;
+ int32_t src_Bpp = pDIBitmap->GetBPP() >> 3;
+ int32_t des_Bpp = (pCodec->m_SrcFormat & 0xff) >> 3;
+ int32_t src_left = pCodec->m_startX;
+ int32_t des_left = pCodec->m_clipBox.left;
+ src_scan += src_left * src_Bpp;
+ des_scan += des_left * des_Bpp;
+ for (int32_t src_col = 0; src_col < pCodec->m_sizeX; src_col++) {
+ PixelWeight* pPixelWeights =
+ pCodec->m_WeightHorzOO.GetPixelWeight(src_col);
+ if (pPixelWeights->m_SrcStart != pPixelWeights->m_SrcEnd) {
+ continue;
+ }
+ switch (pDIBitmap->GetFormat()) {
+ case FXDIB_1bppMask:
+ case FXDIB_1bppRgb:
+ ASSERT(FALSE);
+ return FALSE;
+ case FXDIB_8bppMask:
+ case FXDIB_8bppRgb: {
+ if (pDIBitmap->GetPalette() != NULL) {
+ return FALSE;
+ }
+ FX_DWORD des_g = 0;
+ des_g += pPixelWeights->m_Weights[0] * src_scan[src_col];
+ des_scan[pPixelWeights->m_SrcStart] = (uint8_t)(des_g >> 16);
+ } break;
+ case FXDIB_Rgb:
+ case FXDIB_Rgb32: {
+ FX_DWORD des_b = 0, des_g = 0, des_r = 0;
+ const uint8_t* p = src_scan + src_col * src_Bpp;
+ des_b += pPixelWeights->m_Weights[0] * (*p++);
+ des_g += pPixelWeights->m_Weights[0] * (*p++);
+ des_r += pPixelWeights->m_Weights[0] * (*p);
+ uint8_t* pDes = &des_scan[pPixelWeights->m_SrcStart * des_Bpp];
+ *pDes++ = (uint8_t)((des_b) >> 16);
+ *pDes++ = (uint8_t)((des_g) >> 16);
+ *pDes = (uint8_t)((des_r) >> 16);
+ } break;
+ case FXDIB_Argb: {
+ FX_DWORD des_r = 0, des_g = 0, des_b = 0;
+ const uint8_t* p = src_scan + src_col * src_Bpp;
+ des_b += pPixelWeights->m_Weights[0] * (*p++);
+ des_g += pPixelWeights->m_Weights[0] * (*p++);
+ des_r += pPixelWeights->m_Weights[0] * (*p++);
+ uint8_t* pDes = &des_scan[pPixelWeights->m_SrcStart * des_Bpp];
+ *pDes++ = (uint8_t)((des_b) >> 16);
+ *pDes++ = (uint8_t)((des_g) >> 16);
+ *pDes++ = (uint8_t)((des_r) >> 16);
+ *pDes = *p;
+ } break;
+ default:
+ return FALSE;
+ }
}
- double scale = (double)dest_len / (double)src_len;
- m_ItemSize = sizeof(int) * 4;
- int size = dest_len * m_ItemSize + 4;
- m_pWeightTables = FX_Alloc(uint8_t, size);
- if(m_pWeightTables == NULL) {
+ }
+ return TRUE;
+}
+void CCodec_ProgressiveDecoder::PngOneOneMapResampleHorz(
+ CFX_DIBitmap* pDeviceBitmap,
+ int32_t des_line,
+ uint8_t* src_scan,
+ FXCodec_Format src_format) {
+ uint8_t* des_scan = (uint8_t*)pDeviceBitmap->GetScanline(des_line);
+ int32_t src_Bpp = (m_SrcFormat & 0xff) >> 3;
+ int32_t des_Bpp = pDeviceBitmap->GetBPP() >> 3;
+ int32_t src_left = m_clipBox.left;
+ int32_t des_left = m_startX;
+ src_scan += src_left * src_Bpp;
+ des_scan += des_left * des_Bpp;
+ for (int32_t des_col = 0; des_col < m_sizeX; des_col++) {
+ PixelWeight* pPixelWeights = m_WeightHorzOO.GetPixelWeight(des_col);
+ switch (pDeviceBitmap->GetFormat()) {
+ case FXDIB_1bppMask:
+ case FXDIB_1bppRgb:
+ ASSERT(FALSE);
return;
- }
- FXSYS_memset(m_pWeightTables, 0, size);
- if(scale > 1) {
- double step = 0.0;
- int src_row = 0;
- while ( step < (double)dest_len ) {
- int start_step = (int)step;
- step = scale * (++src_row);
- int end_step = (int)step;
- if(end_step >= dest_len) {
- end_step = dest_len;
- for (int des_row = start_step; des_row < end_step; des_row++) {
- PixelWeight* pWeight = (PixelWeight*)(m_pWeightTables + des_row * m_ItemSize);
- pWeight->m_SrcStart = start_step;
- pWeight->m_SrcEnd = start_step;
- pWeight->m_Weights[0] = 65536;
- pWeight->m_Weights[1] = 0;
- }
- return;
- }
- int length = end_step - start_step;
- {
- PixelWeight* pWeight = (PixelWeight*)(m_pWeightTables + start_step * m_ItemSize);
- pWeight->m_SrcStart = start_step;
- pWeight->m_SrcEnd = start_step;
- pWeight->m_Weights[0] = 65536;
- pWeight->m_Weights[1] = 0;
- }
- for (int des_row = start_step + 1; des_row < end_step; des_row++) {
- PixelWeight* pWeight = (PixelWeight*)(m_pWeightTables + des_row * m_ItemSize);
- pWeight->m_SrcStart = start_step;
- pWeight->m_SrcEnd = end_step;
- pWeight->m_Weights[0] = FXSYS_round((FX_FLOAT)(end_step - des_row) / (FX_FLOAT)length * 65536);
- pWeight->m_Weights[1] = 65536 - pWeight->m_Weights[0];
- }
- }
- } else {
- for (int des_row = 0; des_row < dest_len; des_row++) {
- PixelWeight* pWeight = (PixelWeight*)(m_pWeightTables + des_row * m_ItemSize);
- pWeight->m_SrcStart = des_row;
- pWeight->m_SrcEnd = des_row;
- pWeight->m_Weights[0] = 65536;
- pWeight->m_Weights[1] = 0;
+ case FXDIB_8bppMask:
+ case FXDIB_8bppRgb: {
+ if (pDeviceBitmap->GetPalette() != NULL) {
+ return;
}
+ FX_DWORD des_g = 0;
+ des_g +=
+ pPixelWeights->m_Weights[0] * src_scan[pPixelWeights->m_SrcStart];
+ des_g +=
+ pPixelWeights->m_Weights[1] * src_scan[pPixelWeights->m_SrcEnd];
+ *des_scan++ = (uint8_t)(des_g >> 16);
+ } break;
+ case FXDIB_Rgb:
+ case FXDIB_Rgb32: {
+ FX_DWORD des_b = 0, des_g = 0, des_r = 0;
+ const uint8_t* p = src_scan;
+ p = src_scan + pPixelWeights->m_SrcStart * src_Bpp;
+ des_b += pPixelWeights->m_Weights[0] * (*p++);
+ des_g += pPixelWeights->m_Weights[0] * (*p++);
+ des_r += pPixelWeights->m_Weights[0] * (*p);
+ p = src_scan + pPixelWeights->m_SrcEnd * src_Bpp;
+ des_b += pPixelWeights->m_Weights[1] * (*p++);
+ des_g += pPixelWeights->m_Weights[1] * (*p++);
+ des_r += pPixelWeights->m_Weights[1] * (*p);
+ *des_scan++ = (uint8_t)((des_b) >> 16);
+ *des_scan++ = (uint8_t)((des_g) >> 16);
+ *des_scan++ = (uint8_t)((des_r) >> 16);
+ des_scan += des_Bpp - 3;
+ } break;
+ case FXDIB_Argb: {
+ FX_DWORD des_a = 0, des_b = 0, des_g = 0, des_r = 0;
+ const uint8_t* p = src_scan;
+ p = src_scan + pPixelWeights->m_SrcStart * src_Bpp;
+ des_b += pPixelWeights->m_Weights[0] * (*p++);
+ des_g += pPixelWeights->m_Weights[0] * (*p++);
+ des_r += pPixelWeights->m_Weights[0] * (*p++);
+ des_a += pPixelWeights->m_Weights[0] * (*p);
+ p = src_scan + pPixelWeights->m_SrcEnd * src_Bpp;
+ des_b += pPixelWeights->m_Weights[1] * (*p++);
+ des_g += pPixelWeights->m_Weights[1] * (*p++);
+ des_r += pPixelWeights->m_Weights[1] * (*p++);
+ des_a += pPixelWeights->m_Weights[1] * (*p);
+ *des_scan++ = (uint8_t)((des_b) >> 16);
+ *des_scan++ = (uint8_t)((des_g) >> 16);
+ *des_scan++ = (uint8_t)((des_r) >> 16);
+ *des_scan++ = (uint8_t)((des_a) >> 16);
+ } break;
+ default:
+ return;
}
+ }
}
-CCodec_ProgressiveDecoder::CCodec_ProgressiveDecoder(CCodec_ModuleMgr* pCodecMgr)
-{
- m_pFile = NULL;
- m_pJpegContext = NULL;
- m_pPngContext = NULL;
- m_pGifContext = NULL;
- m_pBmpContext = NULL;
- m_pTiffContext = NULL;
- m_pCodecMgr = NULL;
- m_pSrcBuf = NULL;
- m_pDecodeBuf = NULL;
- m_pDeviceBitmap = NULL;
- m_pSrcPalette = NULL;
- m_pCodecMgr = pCodecMgr;
- m_offSet = 0;
- m_SrcSize = 0;
- m_ScanlineSize = 0;
- m_SrcWidth = m_SrcHeight = 0;
- m_SrcComponents = 0;
- m_SrcBPC = 0;
- m_SrcPassNumber = 0;
- m_clipBox = FX_RECT(0, 0, 0, 0);
- m_imagType = FXCODEC_IMAGE_UNKNOWN;
- m_status = FXCODEC_STATUS_DECODE_FINISH;
- m_TransMethod = -1;
- m_SrcRow = 0;
- m_SrcFormat = FXCodec_Invalid;
- m_bInterpol = TRUE;
- m_FrameNumber = 0;
- m_FrameCur = 0;
- m_SrcPaletteNumber = 0;
- m_GifPltNumber = 0;
- m_GifBgIndex = 0;
- m_pGifPalette = NULL;
- m_GifTransIndex = -1;
- m_GifFrameRect = FX_RECT(0, 0, 0, 0);
- m_BmpIsTopBottom = FALSE;
+void CCodec_ProgressiveDecoder::PngFillScanlineBufCompletedFunc(void* pModule,
+ int pass,
+ int line) {
+ CCodec_ProgressiveDecoder* pCodec = (CCodec_ProgressiveDecoder*)pModule;
+ CFX_DIBitmap* pDIBitmap = pCodec->m_pDeviceBitmap;
+ ASSERT(pDIBitmap != NULL);
+ int src_top = pCodec->m_clipBox.top;
+ int src_bottom = pCodec->m_clipBox.bottom;
+ int des_top = pCodec->m_startY;
+ int src_hei = pCodec->m_clipBox.Height();
+ int des_hei = pCodec->m_sizeY;
+ if (line >= src_top && line < src_bottom) {
+ double scale_y = (double)des_hei / (double)src_hei;
+ int src_row = line - src_top;
+ int des_row = (int)(src_row * scale_y) + des_top;
+ if (des_row >= des_top + des_hei) {
+ return;
+ }
+ pCodec->PngOneOneMapResampleHorz(pDIBitmap, des_row, pCodec->m_pDecodeBuf,
+ pCodec->m_SrcFormat);
+ if (pCodec->m_SrcPassNumber == 1 && scale_y > 1.0) {
+ pCodec->ResampleVert(pDIBitmap, scale_y, des_row);
+ return;
+ }
+ if (pass == 6 && scale_y > 1.0) {
+ pCodec->ResampleVert(pDIBitmap, scale_y, des_row);
+ }
+ }
}
-CCodec_ProgressiveDecoder::~CCodec_ProgressiveDecoder()
-{
- m_pFile = NULL;
- if(m_pJpegContext != NULL) {
- m_pCodecMgr->GetJpegModule()->Finish(m_pJpegContext);
- }
- if(m_pPngContext != NULL) {
- m_pCodecMgr->GetPngModule()->Finish(m_pPngContext);
- }
- if(m_pGifContext != NULL) {
- m_pCodecMgr->GetGifModule()->Finish(m_pGifContext);
- }
- if(m_pBmpContext != NULL) {
- m_pCodecMgr->GetBmpModule()->Finish(m_pBmpContext);
- }
- if(m_pTiffContext != NULL) {
- m_pCodecMgr->GetTiffModule()->DestroyDecoder(m_pTiffContext);
- }
- if(m_pSrcBuf != NULL) {
- FX_Free(m_pSrcBuf);
- }
- if(m_pDecodeBuf != NULL) {
- FX_Free(m_pDecodeBuf);
- }
- if(m_pSrcPalette != NULL) {
- FX_Free(m_pSrcPalette);
- }
+FX_BOOL CCodec_ProgressiveDecoder::GifReadMoreData(ICodec_GifModule* pGifModule,
+ FXCODEC_STATUS& err_status) {
+ FX_DWORD dwSize = (FX_DWORD)m_pFile->GetSize();
+ if (dwSize <= m_offSet) {
+ return FALSE;
+ }
+ dwSize = dwSize - m_offSet;
+ FX_DWORD dwAvail = pGifModule->GetAvailInput(m_pGifContext, NULL);
+ if (dwAvail == m_SrcSize) {
+ if (dwSize > FXCODEC_BLOCK_SIZE) {
+ dwSize = FXCODEC_BLOCK_SIZE;
+ }
+ m_SrcSize = (dwSize + dwAvail + FXCODEC_BLOCK_SIZE - 1) /
+ FXCODEC_BLOCK_SIZE * FXCODEC_BLOCK_SIZE;
+ m_pSrcBuf = FX_Realloc(uint8_t, m_pSrcBuf, m_SrcSize);
+ if (!m_pSrcBuf) {
+ err_status = FXCODEC_STATUS_ERR_MEMORY;
+ return FALSE;
+ }
+ } else {
+ FX_DWORD dwConsume = m_SrcSize - dwAvail;
+ if (dwAvail) {
+ FXSYS_memcpy(m_pSrcBuf, m_pSrcBuf + dwConsume, dwAvail);
+ }
+ if (dwSize > dwConsume) {
+ dwSize = dwConsume;
+ }
+ }
+ if (!m_pFile->ReadBlock(m_pSrcBuf + dwAvail, m_offSet, dwSize)) {
+ err_status = FXCODEC_STATUS_ERR_READ;
+ return FALSE;
+ }
+ m_offSet += dwSize;
+ pGifModule->Input(m_pGifContext, m_pSrcBuf, dwSize + dwAvail);
+ return TRUE;
}
-FX_BOOL CCodec_ProgressiveDecoder::JpegReadMoreData(ICodec_JpegModule* pJpegModule, FXCODEC_STATUS& err_status)
-{
- FX_DWORD dwSize = (FX_DWORD)m_pFile->GetSize();
- if (dwSize <= m_offSet) {
- return FALSE;
- }
- dwSize = dwSize - m_offSet;
- FX_DWORD dwAvail = pJpegModule->GetAvailInput(m_pJpegContext, NULL);
- if (dwAvail == m_SrcSize) {
- if (dwSize > FXCODEC_BLOCK_SIZE) {
- dwSize = FXCODEC_BLOCK_SIZE;
- }
- m_SrcSize = (dwSize + dwAvail + FXCODEC_BLOCK_SIZE - 1) / FXCODEC_BLOCK_SIZE * FXCODEC_BLOCK_SIZE;
- m_pSrcBuf = FX_Realloc(uint8_t, m_pSrcBuf, m_SrcSize);
- if (!m_pSrcBuf) {
- err_status = FXCODEC_STATUS_ERR_MEMORY;
- return FALSE;
- }
- } else {
- FX_DWORD dwConsume = m_SrcSize - dwAvail;
- if (dwAvail) {
- FXSYS_memcpy(m_pSrcBuf, m_pSrcBuf + dwConsume, dwAvail);
+void CCodec_ProgressiveDecoder::GifRecordCurrentPositionCallback(
+ void* pModule,
+ FX_DWORD& cur_pos) {
+ CCodec_ProgressiveDecoder* pCodec = (CCodec_ProgressiveDecoder*)pModule;
+ FX_DWORD remain_size =
+ pCodec->m_pCodecMgr->GetGifModule()->GetAvailInput(pCodec->m_pGifContext);
+ cur_pos = pCodec->m_offSet - remain_size;
+}
+uint8_t* CCodec_ProgressiveDecoder::GifAskLocalPaletteBufCallback(
+ void* pModule,
+ int32_t frame_num,
+ int32_t pal_size) {
+ return FX_Alloc(uint8_t, pal_size);
+}
+FX_BOOL CCodec_ProgressiveDecoder::GifInputRecordPositionBufCallback(
+ void* pModule,
+ FX_DWORD rcd_pos,
+ const FX_RECT& img_rc,
+ int32_t pal_num,
+ void* pal_ptr,
+ int32_t delay_time,
+ FX_BOOL user_input,
+ int32_t trans_index,
+ int32_t disposal_method,
+ FX_BOOL interlace) {
+ CCodec_ProgressiveDecoder* pCodec = (CCodec_ProgressiveDecoder*)pModule;
+ pCodec->m_offSet = rcd_pos;
+ FXCODEC_STATUS error_status = FXCODEC_STATUS_ERROR;
+ if (!pCodec->GifReadMoreData(pCodec->m_pCodecMgr->GetGifModule(),
+ error_status)) {
+ return FALSE;
+ }
+ uint8_t* pPalette = NULL;
+ if (pal_num != 0 && pal_ptr) {
+ pPalette = (uint8_t*)pal_ptr;
+ } else {
+ pal_num = pCodec->m_GifPltNumber;
+ pPalette = pCodec->m_pGifPalette;
+ }
+ if (pCodec->m_pSrcPalette == NULL) {
+ pCodec->m_pSrcPalette = FX_Alloc(FX_ARGB, pal_num);
+ } else if (pal_num > pCodec->m_SrcPaletteNumber) {
+ pCodec->m_pSrcPalette = FX_Realloc(FX_ARGB, pCodec->m_pSrcPalette, pal_num);
+ }
+ if (pCodec->m_pSrcPalette == NULL) {
+ return FALSE;
+ }
+ pCodec->m_SrcPaletteNumber = pal_num;
+ for (int i = 0; i < pal_num; i++) {
+ register FX_DWORD j = i * 3;
+ pCodec->m_pSrcPalette[i] =
+ ArgbEncode(0xff, pPalette[j], pPalette[j + 1], pPalette[j + 2]);
+ }
+ pCodec->m_GifTransIndex = trans_index;
+ pCodec->m_GifFrameRect = img_rc;
+ pCodec->m_SrcPassNumber = interlace ? 4 : 1;
+ int32_t pal_index = pCodec->m_GifBgIndex;
+ CFX_DIBitmap* pDevice = pCodec->m_pDeviceBitmap;
+ if (trans_index >= pal_num) {
+ trans_index = -1;
+ }
+ if (trans_index != -1) {
+ pCodec->m_pSrcPalette[trans_index] &= 0x00ffffff;
+ if (pDevice->HasAlpha()) {
+ pal_index = trans_index;
+ }
+ }
+ int startX = pCodec->m_startX;
+ int startY = pCodec->m_startY;
+ int sizeX = pCodec->m_sizeX;
+ int sizeY = pCodec->m_sizeY;
+ int Bpp = pDevice->GetBPP() / 8;
+ FX_ARGB argb = pCodec->m_pSrcPalette[pal_index];
+ for (int row = 0; row < sizeY; row++) {
+ uint8_t* pScanline =
+ (uint8_t*)pDevice->GetScanline(row + startY) + startX * Bpp;
+ switch (pCodec->m_TransMethod) {
+ case 3: {
+ uint8_t gray =
+ FXRGB2GRAY(FXARGB_R(argb), FXARGB_G(argb), FXARGB_B(argb));
+ FXSYS_memset(pScanline, gray, sizeX);
+ break;
+ }
+ case 8: {
+ for (int col = 0; col < sizeX; col++) {
+ *pScanline++ = FXARGB_B(argb);
+ *pScanline++ = FXARGB_G(argb);
+ *pScanline++ = FXARGB_R(argb);
+ pScanline += Bpp - 3;
}
- if (dwSize > dwConsume) {
- dwSize = dwConsume;
+ break;
+ }
+ case 12: {
+ for (int col = 0; col < sizeX; col++) {
+ FXARGB_SETDIB(pScanline, argb);
+ pScanline += 4;
}
+ break;
+ }
}
- if (!m_pFile->ReadBlock(m_pSrcBuf + dwAvail, m_offSet, dwSize)) {
- err_status = FXCODEC_STATUS_ERR_READ;
- return FALSE;
- }
- m_offSet += dwSize;
- pJpegModule->Input(m_pJpegContext, m_pSrcBuf, dwSize + dwAvail);
- return TRUE;
+ }
+ return TRUE;
}
-FX_BOOL CCodec_ProgressiveDecoder::PngReadHeaderFunc(void* pModule, int width, int height, int bpc, int pass, int* color_type, double* gamma)
-{
- CCodec_ProgressiveDecoder* pCodec = (CCodec_ProgressiveDecoder*)pModule;
- if(pCodec->m_pDeviceBitmap == NULL) {
- pCodec->m_SrcWidth = width;
- pCodec->m_SrcHeight = height;
- pCodec->m_SrcBPC = bpc;
- pCodec->m_SrcPassNumber = pass;
- pCodec->m_SrcComponents = *color_type == 0 ? 1 :
- *color_type == 2 ? 3 :
- *color_type == 3 ? 4 :
- *color_type == 4 ? 2 :
- *color_type == 6 ? 4 : 0;
- pCodec->m_clipBox = FX_RECT(0, 0, width, height);
- return FALSE;
+void CCodec_ProgressiveDecoder::GifReadScanlineCallback(void* pModule,
+ int32_t row_num,
+ uint8_t* row_buf) {
+ CCodec_ProgressiveDecoder* pCodec = (CCodec_ProgressiveDecoder*)pModule;
+ CFX_DIBitmap* pDIBitmap = pCodec->m_pDeviceBitmap;
+ ASSERT(pDIBitmap != NULL);
+ int32_t img_width = pCodec->m_GifFrameRect.Width();
+ if (!pDIBitmap->HasAlpha()) {
+ uint8_t* byte_ptr = row_buf;
+ for (int i = 0; i < img_width; i++) {
+ if (*byte_ptr == pCodec->m_GifTransIndex) {
+ *byte_ptr = pCodec->m_GifBgIndex;
+ }
+ byte_ptr++;
+ }
+ }
+ int32_t pal_index = pCodec->m_GifBgIndex;
+ if (pCodec->m_GifTransIndex != -1 && pCodec->m_pDeviceBitmap->HasAlpha()) {
+ pal_index = pCodec->m_GifTransIndex;
+ }
+ FXSYS_memset(pCodec->m_pDecodeBuf, pal_index, pCodec->m_SrcWidth);
+ FX_BOOL bLastPass = ((row_num % 2) == 1) ? TRUE : FALSE;
+ int32_t line = row_num + pCodec->m_GifFrameRect.top;
+ int32_t left = pCodec->m_GifFrameRect.left;
+ FXSYS_memcpy(pCodec->m_pDecodeBuf + left, row_buf, img_width);
+ int src_top = pCodec->m_clipBox.top;
+ int src_bottom = pCodec->m_clipBox.bottom;
+ int des_top = pCodec->m_startY;
+ int src_hei = pCodec->m_clipBox.Height();
+ int des_hei = pCodec->m_sizeY;
+ if (line >= src_top && line < src_bottom) {
+ double scale_y = (double)des_hei / (double)src_hei;
+ int src_row = line - src_top;
+ int des_row = (int)(src_row * scale_y) + des_top;
+ if (des_row >= des_top + des_hei) {
+ return;
+ }
+ pCodec->ReSampleScanline(pDIBitmap, des_row, pCodec->m_pDecodeBuf,
+ pCodec->m_SrcFormat);
+ if (scale_y > 1.0 &&
+ (!pCodec->m_bInterpol || pCodec->m_SrcPassNumber == 1)) {
+ pCodec->ResampleVert(pDIBitmap, scale_y, des_row);
+ return;
+ }
+ if (scale_y > 1.0) {
+ int des_bottom = des_top + pCodec->m_sizeY;
+ int des_Bpp = pDIBitmap->GetBPP() >> 3;
+ FX_DWORD des_ScanOffet = pCodec->m_startX * des_Bpp;
+ if (des_row + (int)scale_y >= des_bottom - 1) {
+ uint8_t* scan_src =
+ (uint8_t*)pDIBitmap->GetScanline(des_row) + des_ScanOffet;
+ int cur_row = des_row;
+ while (++cur_row < des_bottom) {
+ uint8_t* scan_des =
+ (uint8_t*)pDIBitmap->GetScanline(cur_row) + des_ScanOffet;
+ FX_DWORD size = pCodec->m_sizeX * des_Bpp;
+ FXSYS_memcpy(scan_des, scan_src, size);
+ }
+ }
+ if (bLastPass) {
+ pCodec->GifDoubleLineResampleVert(pDIBitmap, scale_y, des_row);
+ }
}
- FXDIB_Format format = pCodec->m_pDeviceBitmap->GetFormat();
- switch(format) {
+ }
+}
+void CCodec_ProgressiveDecoder::GifDoubleLineResampleVert(
+ CFX_DIBitmap* pDeviceBitmap,
+ double scale_y,
+ int des_row) {
+ int des_Bpp = pDeviceBitmap->GetBPP() >> 3;
+ FX_DWORD des_ScanOffet = m_startX * des_Bpp;
+ int des_top = m_startY;
+ int des_row_1 = des_row - int(2 * scale_y);
+ if (des_row_1 < des_top) {
+ des_row_1 = des_top;
+ }
+ for (; des_row_1 < des_row; des_row_1++) {
+ uint8_t* scan_des =
+ (uint8_t*)pDeviceBitmap->GetScanline(des_row_1) + des_ScanOffet;
+ PixelWeight* pWeight = m_WeightVert.GetPixelWeight(des_row_1 - des_top);
+ const uint8_t* scan_src1 =
+ pDeviceBitmap->GetScanline(pWeight->m_SrcStart + des_top) +
+ des_ScanOffet;
+ const uint8_t* scan_src2 =
+ pDeviceBitmap->GetScanline(pWeight->m_SrcEnd + des_top) + des_ScanOffet;
+ for (int des_col = 0; des_col < m_sizeX; des_col++) {
+ switch (pDeviceBitmap->GetFormat()) {
+ case FXDIB_Invalid:
case FXDIB_1bppMask:
case FXDIB_1bppRgb:
- ASSERT(FALSE);
- return FALSE;
+ return;
case FXDIB_8bppMask:
- case FXDIB_8bppRgb:
- *color_type = 0;
- break;
+ case FXDIB_8bppRgb: {
+ if (pDeviceBitmap->GetPalette() != NULL) {
+ return;
+ }
+ int des_g = 0;
+ des_g += pWeight->m_Weights[0] * (*scan_src1++);
+ des_g += pWeight->m_Weights[1] * (*scan_src2++);
+ *scan_des++ = (uint8_t)(des_g >> 16);
+ } break;
case FXDIB_Rgb:
- *color_type = 2;
- break;
- case FXDIB_Rgb32:
- case FXDIB_Argb:
- *color_type = 6;
- break;
+ case FXDIB_Rgb32: {
+ FX_DWORD des_b = 0, des_g = 0, des_r = 0;
+ des_b += pWeight->m_Weights[0] * (*scan_src1++);
+ des_g += pWeight->m_Weights[0] * (*scan_src1++);
+ des_r += pWeight->m_Weights[0] * (*scan_src1++);
+ scan_src1 += des_Bpp - 3;
+ des_b += pWeight->m_Weights[1] * (*scan_src2++);
+ des_g += pWeight->m_Weights[1] * (*scan_src2++);
+ des_r += pWeight->m_Weights[1] * (*scan_src2++);
+ scan_src2 += des_Bpp - 3;
+ *scan_des++ = (uint8_t)((des_b) >> 16);
+ *scan_des++ = (uint8_t)((des_g) >> 16);
+ *scan_des++ = (uint8_t)((des_r) >> 16);
+ scan_des += des_Bpp - 3;
+ } break;
+ case FXDIB_Argb: {
+ FX_DWORD des_a = 0, des_b = 0, des_g = 0, des_r = 0;
+ des_b += pWeight->m_Weights[0] * (*scan_src1++);
+ des_g += pWeight->m_Weights[0] * (*scan_src1++);
+ des_r += pWeight->m_Weights[0] * (*scan_src1++);
+ des_a += pWeight->m_Weights[0] * (*scan_src1++);
+ des_b += pWeight->m_Weights[1] * (*scan_src2++);
+ des_g += pWeight->m_Weights[1] * (*scan_src2++);
+ des_r += pWeight->m_Weights[1] * (*scan_src2++);
+ des_a += pWeight->m_Weights[1] * (*scan_src2++);
+ *scan_des++ = (uint8_t)((des_b) >> 16);
+ *scan_des++ = (uint8_t)((des_g) >> 16);
+ *scan_des++ = (uint8_t)((des_r) >> 16);
+ *scan_des++ = (uint8_t)((des_a) >> 16);
+ } break;
default:
- ASSERT(FALSE);
- return FALSE;
- }
- *gamma = FXCODEC_PNG_GAMMA;
- return TRUE;
+ return;
+ }
+ }
+ }
+ int des_bottom = des_top + m_sizeY - 1;
+ if (des_row + (int)(2 * scale_y) >= des_bottom &&
+ des_row + (int)scale_y < des_bottom) {
+ GifDoubleLineResampleVert(pDeviceBitmap, scale_y, des_row + (int)scale_y);
+ }
}
-FX_BOOL CCodec_ProgressiveDecoder::PngAskScanlineBufFunc(void* pModule, int line, uint8_t*& src_buf)
-{
- CCodec_ProgressiveDecoder* pCodec = (CCodec_ProgressiveDecoder*)pModule;
- CFX_DIBitmap* pDIBitmap = pCodec->m_pDeviceBitmap;
- ASSERT(pDIBitmap != NULL);
- if(pDIBitmap == NULL) {
- return FALSE;
- }
- if(line >= pCodec->m_clipBox.top && line < pCodec->m_clipBox.bottom) {
- double scale_y = (double)pCodec->m_sizeY / (double)pCodec->m_clipBox.Height();
- int32_t row = (int32_t)((line - pCodec->m_clipBox.top) * scale_y) + pCodec->m_startY;
- uint8_t* src_scan = (uint8_t*)pDIBitmap->GetScanline(row);
- uint8_t* des_scan = pCodec->m_pDecodeBuf;
- src_buf = pCodec->m_pDecodeBuf;
- int32_t src_Bpp = pDIBitmap->GetBPP() >> 3;
- int32_t des_Bpp = (pCodec->m_SrcFormat & 0xff) >> 3;
- int32_t src_left = pCodec->m_startX;
- int32_t des_left = pCodec->m_clipBox.left;
- src_scan += src_left * src_Bpp;
- des_scan += des_left * des_Bpp;
- for (int32_t src_col = 0; src_col < pCodec->m_sizeX; src_col++) {
- PixelWeight* pPixelWeights = pCodec->m_WeightHorzOO.GetPixelWeight(src_col);
- if(pPixelWeights->m_SrcStart != pPixelWeights->m_SrcEnd) {
- continue;
- }
- switch(pDIBitmap->GetFormat()) {
- case FXDIB_1bppMask:
- case FXDIB_1bppRgb:
- ASSERT(FALSE);
- return FALSE;
- case FXDIB_8bppMask:
- case FXDIB_8bppRgb: {
- if(pDIBitmap->GetPalette() != NULL) {
- return FALSE;
- }
- FX_DWORD des_g = 0;
- des_g += pPixelWeights->m_Weights[0] * src_scan[src_col];
- des_scan[pPixelWeights->m_SrcStart] = (uint8_t)(des_g >> 16);
- }
- break;
- case FXDIB_Rgb:
- case FXDIB_Rgb32: {
- FX_DWORD des_b = 0, des_g = 0, des_r = 0;
- const uint8_t* p = src_scan + src_col * src_Bpp;
- des_b += pPixelWeights->m_Weights[0] * (*p++);
- des_g += pPixelWeights->m_Weights[0] * (*p++);
- des_r += pPixelWeights->m_Weights[0] * (*p);
- uint8_t* pDes = &des_scan[pPixelWeights->m_SrcStart * des_Bpp];
- *pDes++ = (uint8_t)((des_b) >> 16);
- *pDes++ = (uint8_t)((des_g) >> 16);
- *pDes = (uint8_t)((des_r) >> 16);
- }
- break;
- case FXDIB_Argb: {
- FX_DWORD des_r = 0, des_g = 0, des_b = 0;
- const uint8_t* p = src_scan + src_col * src_Bpp;
- des_b += pPixelWeights->m_Weights[0] * (*p++);
- des_g += pPixelWeights->m_Weights[0] * (*p++);
- des_r += pPixelWeights->m_Weights[0] * (*p++);
- uint8_t* pDes = &des_scan[pPixelWeights->m_SrcStart * des_Bpp];
- *pDes++ = (uint8_t)((des_b) >> 16);
- *pDes++ = (uint8_t)((des_g) >> 16);
- *pDes++ = (uint8_t)((des_r) >> 16);
- *pDes = *p;
- }
- break;
- default:
- return FALSE;
- }
- }
- }
- return TRUE;
+FX_BOOL CCodec_ProgressiveDecoder::BmpReadMoreData(ICodec_BmpModule* pBmpModule,
+ FXCODEC_STATUS& err_status) {
+ FX_DWORD dwSize = (FX_DWORD)m_pFile->GetSize();
+ if (dwSize <= m_offSet) {
+ return FALSE;
+ }
+ dwSize = dwSize - m_offSet;
+ FX_DWORD dwAvail = pBmpModule->GetAvailInput(m_pBmpContext, NULL);
+ if (dwAvail == m_SrcSize) {
+ if (dwSize > FXCODEC_BLOCK_SIZE) {
+ dwSize = FXCODEC_BLOCK_SIZE;
+ }
+ m_SrcSize = (dwSize + dwAvail + FXCODEC_BLOCK_SIZE - 1) /
+ FXCODEC_BLOCK_SIZE * FXCODEC_BLOCK_SIZE;
+ m_pSrcBuf = FX_Realloc(uint8_t, m_pSrcBuf, m_SrcSize);
+ if (!m_pSrcBuf) {
+ err_status = FXCODEC_STATUS_ERR_MEMORY;
+ return FALSE;
+ }
+ } else {
+ FX_DWORD dwConsume = m_SrcSize - dwAvail;
+ if (dwAvail) {
+ FXSYS_memcpy(m_pSrcBuf, m_pSrcBuf + dwConsume, dwAvail);
+ }
+ if (dwSize > dwConsume) {
+ dwSize = dwConsume;
+ }
+ }
+ if (!m_pFile->ReadBlock(m_pSrcBuf + dwAvail, m_offSet, dwSize)) {
+ err_status = FXCODEC_STATUS_ERR_READ;
+ return FALSE;
+ }
+ m_offSet += dwSize;
+ pBmpModule->Input(m_pBmpContext, m_pSrcBuf, dwSize + dwAvail);
+ return TRUE;
}
-void CCodec_ProgressiveDecoder::PngOneOneMapResampleHorz(CFX_DIBitmap* pDeviceBitmap, int32_t des_line, uint8_t* src_scan, FXCodec_Format src_format)
-{
- uint8_t* des_scan = (uint8_t*)pDeviceBitmap->GetScanline(des_line);
- int32_t src_Bpp = (m_SrcFormat & 0xff) >> 3;
- int32_t des_Bpp = pDeviceBitmap->GetBPP() >> 3;
- int32_t src_left = m_clipBox.left;
- int32_t des_left = m_startX;
- src_scan += src_left * src_Bpp;
- des_scan += des_left * des_Bpp;
- for (int32_t des_col = 0; des_col < m_sizeX; des_col++) {
- PixelWeight* pPixelWeights = m_WeightHorzOO.GetPixelWeight(des_col);
- switch(pDeviceBitmap->GetFormat()) {
- case FXDIB_1bppMask:
- case FXDIB_1bppRgb:
- ASSERT(FALSE);
- return;
- case FXDIB_8bppMask:
- case FXDIB_8bppRgb: {
- if(pDeviceBitmap->GetPalette() != NULL) {
- return;
- }
- FX_DWORD des_g = 0;
- des_g += pPixelWeights->m_Weights[0] * src_scan[pPixelWeights->m_SrcStart];
- des_g += pPixelWeights->m_Weights[1] * src_scan[pPixelWeights->m_SrcEnd];
- *des_scan++ = (uint8_t)(des_g >> 16);
- }
- break;
- case FXDIB_Rgb:
- case FXDIB_Rgb32: {
- FX_DWORD des_b = 0, des_g = 0, des_r = 0;
- const uint8_t* p = src_scan;
- p = src_scan + pPixelWeights->m_SrcStart * src_Bpp;
- des_b += pPixelWeights->m_Weights[0] * (*p++);
- des_g += pPixelWeights->m_Weights[0] * (*p++);
- des_r += pPixelWeights->m_Weights[0] * (*p);
- p = src_scan + pPixelWeights->m_SrcEnd * src_Bpp;
- des_b += pPixelWeights->m_Weights[1] * (*p++);
- des_g += pPixelWeights->m_Weights[1] * (*p++);
- des_r += pPixelWeights->m_Weights[1] * (*p);
- *des_scan++ = (uint8_t)((des_b) >> 16);
- *des_scan++ = (uint8_t)((des_g) >> 16);
- *des_scan++ = (uint8_t)((des_r) >> 16);
- des_scan += des_Bpp - 3;
- }
- break;
- case FXDIB_Argb: {
- FX_DWORD des_a = 0, des_b = 0, des_g = 0, des_r = 0;
- const uint8_t* p = src_scan;
- p = src_scan + pPixelWeights->m_SrcStart * src_Bpp;
- des_b += pPixelWeights->m_Weights[0] * (*p++);
- des_g += pPixelWeights->m_Weights[0] * (*p++);
- des_r += pPixelWeights->m_Weights[0] * (*p++);
- des_a += pPixelWeights->m_Weights[0] * (*p);
- p = src_scan + pPixelWeights->m_SrcEnd * src_Bpp;
- des_b += pPixelWeights->m_Weights[1] * (*p++);
- des_g += pPixelWeights->m_Weights[1] * (*p++);
- des_r += pPixelWeights->m_Weights[1] * (*p++);
- des_a += pPixelWeights->m_Weights[1] * (*p);
- *des_scan++ = (uint8_t)((des_b) >> 16);
- *des_scan++ = (uint8_t)((des_g) >> 16);
- *des_scan++ = (uint8_t)((des_r) >> 16);
- *des_scan++ = (uint8_t)((des_a) >> 16);
- }
- break;
- default:
- return;
- }
+FX_BOOL CCodec_ProgressiveDecoder::BmpInputImagePositionBufCallback(
+ void* pModule,
+ FX_DWORD rcd_pos) {
+ CCodec_ProgressiveDecoder* pCodec = (CCodec_ProgressiveDecoder*)pModule;
+ pCodec->m_offSet = rcd_pos;
+ FXCODEC_STATUS error_status = FXCODEC_STATUS_ERROR;
+ if (!pCodec->BmpReadMoreData(pCodec->m_pCodecMgr->GetBmpModule(),
+ error_status)) {
+ return FALSE;
+ }
+ return TRUE;
+}
+void CCodec_ProgressiveDecoder::BmpReadScanlineCallback(void* pModule,
+ int32_t row_num,
+ uint8_t* row_buf) {
+ CCodec_ProgressiveDecoder* pCodec = (CCodec_ProgressiveDecoder*)pModule;
+ CFX_DIBitmap* pDIBitmap = pCodec->m_pDeviceBitmap;
+ ASSERT(pDIBitmap != NULL);
+ FXSYS_memcpy(pCodec->m_pDecodeBuf, row_buf, pCodec->m_ScanlineSize);
+ int src_top = pCodec->m_clipBox.top;
+ int src_bottom = pCodec->m_clipBox.bottom;
+ int des_top = pCodec->m_startY;
+ int src_hei = pCodec->m_clipBox.Height();
+ int des_hei = pCodec->m_sizeY;
+ if (row_num >= src_top && row_num < src_bottom) {
+ double scale_y = (double)des_hei / (double)src_hei;
+ int src_row = row_num - src_top;
+ int des_row = (int)(src_row * scale_y) + des_top;
+ if (des_row >= des_top + des_hei) {
+ return;
+ }
+ pCodec->ReSampleScanline(pDIBitmap, des_row, pCodec->m_pDecodeBuf,
+ pCodec->m_SrcFormat);
+ if (scale_y > 1.0) {
+ if (pCodec->m_BmpIsTopBottom || !pCodec->m_bInterpol) {
+ pCodec->ResampleVert(pDIBitmap, scale_y, des_row);
+ return;
+ } else {
+ pCodec->ResampleVertBT(pDIBitmap, scale_y, des_row);
+ }
}
+ }
}
-void CCodec_ProgressiveDecoder::PngFillScanlineBufCompletedFunc(void* pModule, int pass, int line)
-{
- CCodec_ProgressiveDecoder* pCodec = (CCodec_ProgressiveDecoder*)pModule;
- CFX_DIBitmap* pDIBitmap = pCodec->m_pDeviceBitmap;
- ASSERT(pDIBitmap != NULL);
- int src_top = pCodec->m_clipBox.top;
- int src_bottom = pCodec->m_clipBox.bottom;
- int des_top = pCodec->m_startY;
- int src_hei = pCodec->m_clipBox.Height();
- int des_hei = pCodec->m_sizeY;
- if(line >= src_top && line < src_bottom) {
- double scale_y = (double)des_hei / (double)src_hei;
- int src_row = line - src_top;
- int des_row = (int)(src_row * scale_y) + des_top;
- if(des_row >= des_top + des_hei) {
+void CCodec_ProgressiveDecoder::ResampleVertBT(CFX_DIBitmap* pDeviceBitmap,
+ double scale_y,
+ int des_row) {
+ int des_Bpp = pDeviceBitmap->GetBPP() >> 3;
+ FX_DWORD des_ScanOffet = m_startX * des_Bpp;
+ int des_top = m_startY;
+ int des_bottom = m_startY + m_sizeY;
+ int des_row_1 = des_row + int(scale_y);
+ if (des_row_1 >= des_bottom - 1) {
+ uint8_t* scan_src =
+ (uint8_t*)pDeviceBitmap->GetScanline(des_row) + des_ScanOffet;
+ while (++des_row < des_bottom) {
+ uint8_t* scan_des =
+ (uint8_t*)pDeviceBitmap->GetScanline(des_row) + des_ScanOffet;
+ FX_DWORD size = m_sizeX * des_Bpp;
+ FXSYS_memcpy(scan_des, scan_src, size);
+ }
+ return;
+ }
+ for (; des_row_1 > des_row; des_row_1--) {
+ uint8_t* scan_des =
+ (uint8_t*)pDeviceBitmap->GetScanline(des_row_1) + des_ScanOffet;
+ PixelWeight* pWeight = m_WeightVert.GetPixelWeight(des_row_1 - des_top);
+ const uint8_t* scan_src1 =
+ pDeviceBitmap->GetScanline(pWeight->m_SrcStart + des_top) +
+ des_ScanOffet;
+ const uint8_t* scan_src2 =
+ pDeviceBitmap->GetScanline(pWeight->m_SrcEnd + des_top) + des_ScanOffet;
+ for (int des_col = 0; des_col < m_sizeX; des_col++) {
+ switch (pDeviceBitmap->GetFormat()) {
+ case FXDIB_Invalid:
+ case FXDIB_1bppMask:
+ case FXDIB_1bppRgb:
+ return;
+ case FXDIB_8bppMask:
+ case FXDIB_8bppRgb: {
+ if (pDeviceBitmap->GetPalette() != NULL) {
return;
+ }
+ int des_g = 0;
+ des_g += pWeight->m_Weights[0] * (*scan_src1++);
+ des_g += pWeight->m_Weights[1] * (*scan_src2++);
+ *scan_des++ = (uint8_t)(des_g >> 16);
+ } break;
+ case FXDIB_Rgb:
+ case FXDIB_Rgb32: {
+ FX_DWORD des_b = 0, des_g = 0, des_r = 0;
+ des_b += pWeight->m_Weights[0] * (*scan_src1++);
+ des_g += pWeight->m_Weights[0] * (*scan_src1++);
+ des_r += pWeight->m_Weights[0] * (*scan_src1++);
+ scan_src1 += des_Bpp - 3;
+ des_b += pWeight->m_Weights[1] * (*scan_src2++);
+ des_g += pWeight->m_Weights[1] * (*scan_src2++);
+ des_r += pWeight->m_Weights[1] * (*scan_src2++);
+ scan_src2 += des_Bpp - 3;
+ *scan_des++ = (uint8_t)((des_b) >> 16);
+ *scan_des++ = (uint8_t)((des_g) >> 16);
+ *scan_des++ = (uint8_t)((des_r) >> 16);
+ scan_des += des_Bpp - 3;
+ } break;
+ case FXDIB_Argb: {
+ FX_DWORD des_a = 0, des_b = 0, des_g = 0, des_r = 0;
+ des_b += pWeight->m_Weights[0] * (*scan_src1++);
+ des_g += pWeight->m_Weights[0] * (*scan_src1++);
+ des_r += pWeight->m_Weights[0] * (*scan_src1++);
+ des_a += pWeight->m_Weights[0] * (*scan_src1++);
+ des_b += pWeight->m_Weights[1] * (*scan_src2++);
+ des_g += pWeight->m_Weights[1] * (*scan_src2++);
+ des_r += pWeight->m_Weights[1] * (*scan_src2++);
+ des_a += pWeight->m_Weights[1] * (*scan_src2++);
+ *scan_des++ = (uint8_t)((des_b) >> 16);
+ *scan_des++ = (uint8_t)((des_g) >> 16);
+ *scan_des++ = (uint8_t)((des_r) >> 16);
+ *scan_des++ = (uint8_t)((des_a) >> 16);
+ } break;
+ default:
+ return;
+ }
+ }
+ }
+}
+FX_BOOL CCodec_ProgressiveDecoder::DetectImageType(
+ FXCODEC_IMAGE_TYPE imageType,
+ CFX_DIBAttribute* pAttribute) {
+ m_offSet = 0;
+ FX_DWORD size = (FX_DWORD)m_pFile->GetSize();
+ if (size > FXCODEC_BLOCK_SIZE) {
+ size = FXCODEC_BLOCK_SIZE;
+ }
+ if (m_pSrcBuf != NULL) {
+ FX_Free(m_pSrcBuf);
+ m_pSrcBuf = NULL;
+ }
+ m_pSrcBuf = FX_Alloc(uint8_t, size);
+ if (m_pSrcBuf == NULL) {
+ m_status = FXCODEC_STATUS_ERR_MEMORY;
+ return FALSE;
+ }
+ FXSYS_memset(m_pSrcBuf, 0, size);
+ m_SrcSize = size;
+ switch (imageType) {
+ case FXCODEC_IMAGE_BMP: {
+ ICodec_BmpModule* pBmpModule = m_pCodecMgr->GetBmpModule();
+ if (pBmpModule == NULL) {
+ m_status = FXCODEC_STATUS_ERR_MEMORY;
+ return FALSE;
+ }
+ pBmpModule->InputImagePositionBufCallback =
+ BmpInputImagePositionBufCallback;
+ pBmpModule->ReadScanlineCallback = BmpReadScanlineCallback;
+ m_pBmpContext = pBmpModule->Start((void*)this);
+ if (m_pBmpContext == NULL) {
+ m_status = FXCODEC_STATUS_ERR_MEMORY;
+ return FALSE;
+ }
+ FX_BOOL bResult = m_pFile->ReadBlock(m_pSrcBuf, 0, size);
+ if (!bResult) {
+ m_status = FXCODEC_STATUS_ERR_READ;
+ return FALSE;
+ }
+ m_offSet += size;
+ pBmpModule->Input(m_pBmpContext, m_pSrcBuf, size);
+ FX_DWORD* pPalette = NULL;
+ int32_t readResult = pBmpModule->ReadHeader(
+ m_pBmpContext, &m_SrcWidth, &m_SrcHeight, &m_BmpIsTopBottom,
+ &m_SrcComponents, &m_SrcPaletteNumber, &pPalette, pAttribute);
+ while (readResult == 2) {
+ FXCODEC_STATUS error_status = FXCODEC_STATUS_ERR_FORMAT;
+ if (!BmpReadMoreData(pBmpModule, error_status)) {
+ m_status = error_status;
+ return FALSE;
}
- pCodec->PngOneOneMapResampleHorz(pDIBitmap, des_row, pCodec->m_pDecodeBuf, pCodec->m_SrcFormat);
- if(pCodec->m_SrcPassNumber == 1 && scale_y > 1.0) {
- pCodec->ResampleVert(pDIBitmap, scale_y, des_row);
- return;
+ readResult = pBmpModule->ReadHeader(
+ m_pBmpContext, &m_SrcWidth, &m_SrcHeight, &m_BmpIsTopBottom,
+ &m_SrcComponents, &m_SrcPaletteNumber, &pPalette, pAttribute);
+ }
+ if (readResult == 1) {
+ m_SrcBPC = 8;
+ m_clipBox = FX_RECT(0, 0, m_SrcWidth, m_SrcHeight);
+ if (m_pSrcPalette != NULL) {
+ FX_Free(m_pSrcPalette);
+ m_pSrcPalette = NULL;
}
- if(pass == 6 && scale_y > 1.0) {
- pCodec->ResampleVert(pDIBitmap, scale_y, des_row);
+ if (m_SrcPaletteNumber) {
+ m_pSrcPalette = FX_Alloc(FX_ARGB, m_SrcPaletteNumber);
+ if (m_pSrcPalette == NULL) {
+ m_status = FXCODEC_STATUS_ERR_MEMORY;
+ return FALSE;
+ }
+ FXSYS_memcpy(m_pSrcPalette, pPalette,
+ m_SrcPaletteNumber * sizeof(FX_DWORD));
}
- }
-}
-FX_BOOL CCodec_ProgressiveDecoder::GifReadMoreData(ICodec_GifModule* pGifModule, FXCODEC_STATUS& err_status)
-{
- FX_DWORD dwSize = (FX_DWORD)m_pFile->GetSize();
- if (dwSize <= m_offSet) {
+ return TRUE;
+ }
+ if (m_pBmpContext != NULL) {
+ pBmpModule->Finish(m_pBmpContext);
+ m_pBmpContext = NULL;
+ }
+ m_status = FXCODEC_STATUS_ERR_FORMAT;
+ return FALSE;
+ } break;
+ case FXCODEC_IMAGE_JPG: {
+ ICodec_JpegModule* pJpegModule = m_pCodecMgr->GetJpegModule();
+ if (pJpegModule == NULL) {
+ m_status = FXCODEC_STATUS_ERR_MEMORY;
return FALSE;
- }
- dwSize = dwSize - m_offSet;
- FX_DWORD dwAvail = pGifModule->GetAvailInput(m_pGifContext, NULL);
- if (dwAvail == m_SrcSize) {
- if (dwSize > FXCODEC_BLOCK_SIZE) {
- dwSize = FXCODEC_BLOCK_SIZE;
+ }
+ m_pJpegContext = pJpegModule->Start();
+ if (m_pJpegContext == NULL) {
+ m_status = FXCODEC_STATUS_ERR_MEMORY;
+ return FALSE;
+ }
+ FX_BOOL bResult = m_pFile->ReadBlock(m_pSrcBuf, 0, size);
+ if (!bResult) {
+ m_status = FXCODEC_STATUS_ERR_READ;
+ return FALSE;
+ }
+ m_offSet += size;
+ pJpegModule->Input(m_pJpegContext, m_pSrcBuf, size);
+ int32_t readResult =
+ pJpegModule->ReadHeader(m_pJpegContext, &m_SrcWidth, &m_SrcHeight,
+ &m_SrcComponents, pAttribute);
+ while (readResult == 2) {
+ FXCODEC_STATUS error_status = FXCODEC_STATUS_ERR_FORMAT;
+ if (!JpegReadMoreData(pJpegModule, error_status)) {
+ m_status = error_status;
+ return FALSE;
+ }
+ readResult =
+ pJpegModule->ReadHeader(m_pJpegContext, &m_SrcWidth, &m_SrcHeight,
+ &m_SrcComponents, pAttribute);
+ }
+ if (!readResult) {
+ m_SrcBPC = 8;
+ m_clipBox = FX_RECT(0, 0, m_SrcWidth, m_SrcHeight);
+ return TRUE;
+ }
+ if (m_pJpegContext != NULL) {
+ pJpegModule->Finish(m_pJpegContext);
+ m_pJpegContext = NULL;
+ }
+ m_status = FXCODEC_STATUS_ERR_FORMAT;
+ return FALSE;
+ } break;
+ case FXCODEC_IMAGE_PNG: {
+ ICodec_PngModule* pPngModule = m_pCodecMgr->GetPngModule();
+ if (pPngModule == NULL) {
+ m_status = FXCODEC_STATUS_ERR_MEMORY;
+ return FALSE;
+ }
+ pPngModule->ReadHeaderCallback =
+ CCodec_ProgressiveDecoder::PngReadHeaderFunc;
+ pPngModule->AskScanlineBufCallback =
+ CCodec_ProgressiveDecoder::PngAskScanlineBufFunc;
+ pPngModule->FillScanlineBufCompletedCallback =
+ CCodec_ProgressiveDecoder::PngFillScanlineBufCompletedFunc;
+ m_pPngContext = pPngModule->Start((void*)this);
+ if (m_pPngContext == NULL) {
+ m_status = FXCODEC_STATUS_ERR_MEMORY;
+ return FALSE;
+ }
+ FX_BOOL bResult = m_pFile->ReadBlock(m_pSrcBuf, 0, size);
+ if (!bResult) {
+ m_status = FXCODEC_STATUS_ERR_READ;
+ return FALSE;
+ }
+ m_offSet += size;
+ bResult = pPngModule->Input(m_pPngContext, m_pSrcBuf, size, pAttribute);
+ while (bResult) {
+ FX_DWORD remain_size = (FX_DWORD)m_pFile->GetSize() - m_offSet;
+ FX_DWORD input_size =
+ remain_size > FXCODEC_BLOCK_SIZE ? FXCODEC_BLOCK_SIZE : remain_size;
+ if (input_size == 0) {
+ if (m_pPngContext != NULL) {
+ pPngModule->Finish(m_pPngContext);
+ }
+ m_pPngContext = NULL;
+ m_status = FXCODEC_STATUS_ERR_FORMAT;
+ return FALSE;
}
- m_SrcSize = (dwSize + dwAvail + FXCODEC_BLOCK_SIZE - 1) / FXCODEC_BLOCK_SIZE * FXCODEC_BLOCK_SIZE;
- m_pSrcBuf = FX_Realloc(uint8_t, m_pSrcBuf, m_SrcSize);
- if (!m_pSrcBuf) {
- err_status = FXCODEC_STATUS_ERR_MEMORY;
+ if (m_pSrcBuf != NULL && input_size > m_SrcSize) {
+ FX_Free(m_pSrcBuf);
+ m_pSrcBuf = FX_Alloc(uint8_t, input_size);
+ if (m_pSrcBuf == NULL) {
+ m_status = FXCODEC_STATUS_ERR_MEMORY;
return FALSE;
+ }
+ FXSYS_memset(m_pSrcBuf, 0, input_size);
+ m_SrcSize = input_size;
}
- } else {
- FX_DWORD dwConsume = m_SrcSize - dwAvail;
- if (dwAvail) {
- FXSYS_memcpy(m_pSrcBuf, m_pSrcBuf + dwConsume, dwAvail);
+ bResult = m_pFile->ReadBlock(m_pSrcBuf, m_offSet, input_size);
+ if (!bResult) {
+ m_status = FXCODEC_STATUS_ERR_READ;
+ return FALSE;
}
- if (dwSize > dwConsume) {
- dwSize = dwConsume;
+ m_offSet += input_size;
+ bResult =
+ pPngModule->Input(m_pPngContext, m_pSrcBuf, input_size, pAttribute);
+ }
+ ASSERT(!bResult);
+ if (m_pPngContext != NULL) {
+ pPngModule->Finish(m_pPngContext);
+ m_pPngContext = NULL;
+ }
+ if (m_SrcPassNumber == 0) {
+ m_status = FXCODEC_STATUS_ERR_FORMAT;
+ return FALSE;
+ }
+ } break;
+ case FXCODEC_IMAGE_GIF: {
+ ICodec_GifModule* pGifModule = m_pCodecMgr->GetGifModule();
+ if (pGifModule == NULL) {
+ m_status = FXCODEC_STATUS_ERR_MEMORY;
+ return FALSE;
+ }
+ pGifModule->RecordCurrentPositionCallback =
+ CCodec_ProgressiveDecoder::GifRecordCurrentPositionCallback;
+ pGifModule->AskLocalPaletteBufCallback =
+ CCodec_ProgressiveDecoder::GifAskLocalPaletteBufCallback;
+ pGifModule->InputRecordPositionBufCallback =
+ CCodec_ProgressiveDecoder::GifInputRecordPositionBufCallback;
+ pGifModule->ReadScanlineCallback =
+ CCodec_ProgressiveDecoder::GifReadScanlineCallback;
+ m_pGifContext = pGifModule->Start((void*)this);
+ if (m_pGifContext == NULL) {
+ m_status = FXCODEC_STATUS_ERR_MEMORY;
+ return FALSE;
+ }
+ FX_BOOL bResult = m_pFile->ReadBlock(m_pSrcBuf, 0, size);
+ if (!bResult) {
+ m_status = FXCODEC_STATUS_ERR_READ;
+ return FALSE;
+ }
+ m_offSet += size;
+ pGifModule->Input(m_pGifContext, m_pSrcBuf, size);
+ m_SrcComponents = 1;
+ int32_t readResult = pGifModule->ReadHeader(
+ m_pGifContext, &m_SrcWidth, &m_SrcHeight, &m_GifPltNumber,
+ (void**)&m_pGifPalette, &m_GifBgIndex);
+ while (readResult == 2) {
+ FXCODEC_STATUS error_status = FXCODEC_STATUS_ERR_FORMAT;
+ if (!GifReadMoreData(pGifModule, error_status)) {
+ m_status = error_status;
+ return FALSE;
}
- }
- if (!m_pFile->ReadBlock(m_pSrcBuf + dwAvail, m_offSet, dwSize)) {
- err_status = FXCODEC_STATUS_ERR_READ;
+ readResult = pGifModule->ReadHeader(
+ m_pGifContext, &m_SrcWidth, &m_SrcHeight, &m_GifPltNumber,
+ (void**)&m_pGifPalette, &m_GifBgIndex);
+ }
+ if (readResult == 1) {
+ m_SrcBPC = 8;
+ m_clipBox = FX_RECT(0, 0, m_SrcWidth, m_SrcHeight);
+ return TRUE;
+ }
+ if (m_pGifContext != NULL) {
+ pGifModule->Finish(m_pGifContext);
+ m_pGifContext = NULL;
+ }
+ m_status = FXCODEC_STATUS_ERR_FORMAT;
+ return FALSE;
+ } break;
+ case FXCODEC_IMAGE_TIF: {
+ ICodec_TiffModule* pTiffModule = m_pCodecMgr->GetTiffModule();
+ if (pTiffModule == NULL) {
+ m_status = FXCODEC_STATUS_ERR_FORMAT;
return FALSE;
- }
- m_offSet += dwSize;
- pGifModule->Input(m_pGifContext, m_pSrcBuf, dwSize + dwAvail);
- return TRUE;
+ }
+ m_pTiffContext = pTiffModule->CreateDecoder(m_pFile);
+ if (m_pTiffContext == NULL) {
+ m_status = FXCODEC_STATUS_ERR_FORMAT;
+ return FALSE;
+ }
+ int32_t frames = 0;
+ pTiffModule->GetFrames(m_pTiffContext, frames);
+ FX_DWORD bpc;
+ FX_BOOL ret = pTiffModule->LoadFrameInfo(
+ m_pTiffContext, 0, (FX_DWORD&)m_SrcWidth, (FX_DWORD&)m_SrcHeight,
+ (FX_DWORD&)m_SrcComponents, bpc, pAttribute);
+ m_SrcComponents = 4;
+ m_clipBox = FX_RECT(0, 0, m_SrcWidth, m_SrcHeight);
+ if (!ret) {
+ pTiffModule->DestroyDecoder(m_pTiffContext);
+ (m_pTiffContext = NULL);
+ (m_status = FXCODEC_STATUS_ERR_FORMAT);
+ return FALSE;
+ }
+ } break;
+ default:
+ m_status = FXCODEC_STATUS_ERR_FORMAT;
+ return FALSE;
+ }
+ return TRUE;
}
-void CCodec_ProgressiveDecoder::GifRecordCurrentPositionCallback(void* pModule, FX_DWORD& cur_pos)
-{
- CCodec_ProgressiveDecoder* pCodec = (CCodec_ProgressiveDecoder*)pModule;
- FX_DWORD remain_size = pCodec->m_pCodecMgr->GetGifModule()->GetAvailInput(pCodec->m_pGifContext);
- cur_pos = pCodec->m_offSet - remain_size;
+FXCODEC_STATUS CCodec_ProgressiveDecoder::LoadImageInfo(
+ IFX_FileRead* pFile,
+ FXCODEC_IMAGE_TYPE imageType,
+ CFX_DIBAttribute* pAttribute) {
+ switch (m_status) {
+ case FXCODEC_STATUS_FRAME_READY:
+ case FXCODEC_STATUS_FRAME_TOBECONTINUE:
+ case FXCODEC_STATUS_DECODE_READY:
+ case FXCODEC_STATUS_DECODE_TOBECONTINUE:
+ return FXCODEC_STATUS_ERROR;
+ default:;
+ }
+ if (pFile == NULL) {
+ m_status = FXCODEC_STATUS_ERR_PARAMS;
+ m_pFile = NULL;
+ return m_status;
+ }
+ m_pFile = pFile;
+ m_offSet = 0;
+ m_SrcWidth = m_SrcHeight = 0;
+ m_SrcComponents = m_SrcBPC = 0;
+ m_clipBox = FX_RECT(0, 0, 0, 0);
+ m_startX = m_startY = 0;
+ m_sizeX = m_sizeY = 0;
+ m_SrcPassNumber = 0;
+ if (imageType != FXCODEC_IMAGE_UNKNOWN &&
+ DetectImageType(imageType, pAttribute)) {
+ m_imagType = imageType;
+ m_status = FXCODEC_STATUS_FRAME_READY;
+ return m_status;
+ }
+ for (int type = FXCODEC_IMAGE_BMP; type < FXCODEC_IMAGE_MAX; type++) {
+ if (DetectImageType((FXCODEC_IMAGE_TYPE)type, pAttribute)) {
+ m_imagType = (FXCODEC_IMAGE_TYPE)type;
+ m_status = FXCODEC_STATUS_FRAME_READY;
+ return m_status;
+ }
+ }
+ m_status = FXCODEC_STATUS_ERR_FORMAT;
+ m_pFile = NULL;
+ return m_status;
}
-uint8_t* CCodec_ProgressiveDecoder::GifAskLocalPaletteBufCallback(void* pModule, int32_t frame_num, int32_t pal_size)
-{
- return FX_Alloc(uint8_t, pal_size);
+void CCodec_ProgressiveDecoder::SetClipBox(FX_RECT* clip) {
+ if (m_status != FXCODEC_STATUS_FRAME_READY) {
+ return;
+ }
+ if (clip->IsEmpty()) {
+ m_clipBox = FX_RECT(0, 0, 0, 0);
+ return;
+ }
+ if (clip->left < 0) {
+ clip->left = 0;
+ }
+ if (clip->right > m_SrcWidth) {
+ clip->right = m_SrcWidth;
+ }
+ if (clip->top < 0) {
+ clip->top = 0;
+ }
+ if (clip->bottom > m_SrcHeight) {
+ clip->bottom = m_SrcHeight;
+ }
+ if (clip->IsEmpty()) {
+ m_clipBox = FX_RECT(0, 0, 0, 0);
+ return;
+ }
+ m_clipBox = *clip;
}
-FX_BOOL CCodec_ProgressiveDecoder::GifInputRecordPositionBufCallback(void* pModule, FX_DWORD rcd_pos, const FX_RECT& img_rc,
- int32_t pal_num, void* pal_ptr,
- int32_t delay_time, FX_BOOL user_input,
- int32_t trans_index, int32_t disposal_method, FX_BOOL interlace)
-{
- CCodec_ProgressiveDecoder* pCodec = (CCodec_ProgressiveDecoder*)pModule;
- pCodec->m_offSet = rcd_pos;
- FXCODEC_STATUS error_status = FXCODEC_STATUS_ERROR;
- if(!pCodec->GifReadMoreData(pCodec->m_pCodecMgr->GetGifModule(), error_status)) {
- return FALSE;
- }
- uint8_t* pPalette = NULL;
- if(pal_num != 0 && pal_ptr) {
- pPalette = (uint8_t*)pal_ptr;
- } else {
- pal_num = pCodec->m_GifPltNumber;
- pPalette = pCodec->m_pGifPalette;
- }
- if(pCodec->m_pSrcPalette == NULL) {
- pCodec->m_pSrcPalette = FX_Alloc(FX_ARGB, pal_num);
- } else if(pal_num > pCodec->m_SrcPaletteNumber) {
- pCodec->m_pSrcPalette = FX_Realloc(FX_ARGB, pCodec->m_pSrcPalette, pal_num);
- }
- if(pCodec->m_pSrcPalette == NULL) {
- return FALSE;
- }
- pCodec->m_SrcPaletteNumber = pal_num;
- for (int i = 0; i < pal_num; i++) {
- register FX_DWORD j = i * 3;
- pCodec->m_pSrcPalette[i] =
- ArgbEncode(0xff, pPalette[j], pPalette[j + 1], pPalette[j + 2]);
- }
- pCodec->m_GifTransIndex = trans_index;
- pCodec->m_GifFrameRect = img_rc;
- pCodec->m_SrcPassNumber = interlace ? 4 : 1;
- int32_t pal_index = pCodec->m_GifBgIndex;
- CFX_DIBitmap* pDevice = pCodec->m_pDeviceBitmap;
- if (trans_index >= pal_num) {
- trans_index = -1;
- }
- if (trans_index != -1) {
- pCodec->m_pSrcPalette[trans_index] &= 0x00ffffff;
- if (pDevice->HasAlpha()) {
- pal_index = trans_index;
- }
- }
- int startX = pCodec->m_startX;
- int startY = pCodec->m_startY;
- int sizeX = pCodec->m_sizeX;
- int sizeY = pCodec->m_sizeY;
- int Bpp = pDevice->GetBPP() / 8;
- FX_ARGB argb = pCodec->m_pSrcPalette[pal_index];
- for (int row = 0; row < sizeY; row ++) {
- uint8_t* pScanline = (uint8_t*)pDevice->GetScanline(row + startY) + startX * Bpp;
- switch(pCodec->m_TransMethod) {
- case 3: {
- uint8_t gray = FXRGB2GRAY(FXARGB_R(argb), FXARGB_G(argb), FXARGB_B(argb));
- FXSYS_memset(pScanline, gray, sizeX);
- break;
- }
- case 8: {
- for (int col = 0; col < sizeX; col ++) {
- *pScanline++ = FXARGB_B(argb);
- *pScanline++ = FXARGB_G(argb);
- *pScanline++ = FXARGB_R(argb);
- pScanline += Bpp - 3;
- }
- break;
- }
- case 12: {
- for (int col = 0; col < sizeX; col ++) {
- FXARGB_SETDIB(pScanline, argb);
- pScanline += 4;
- }
- break;
- }
- }
- }
- return TRUE;
+void CCodec_ProgressiveDecoder::GetDownScale(int& down_scale) {
+ down_scale = 1;
+ int ratio_w = m_clipBox.Width() / m_sizeX;
+ int ratio_h = m_clipBox.Height() / m_sizeY;
+ int ratio = (ratio_w > ratio_h) ? ratio_h : ratio_w;
+ if (ratio >= 8) {
+ down_scale = 8;
+ } else if (ratio >= 4) {
+ down_scale = 4;
+ } else if (ratio >= 2) {
+ down_scale = 2;
+ }
+ m_clipBox.left /= down_scale;
+ m_clipBox.right /= down_scale;
+ m_clipBox.top /= down_scale;
+ m_clipBox.bottom /= down_scale;
+ if (m_clipBox.right == m_clipBox.left) {
+ m_clipBox.right = m_clipBox.left + 1;
+ }
+ if (m_clipBox.bottom == m_clipBox.top) {
+ m_clipBox.bottom = m_clipBox.top + 1;
+ }
}
-void CCodec_ProgressiveDecoder::GifReadScanlineCallback(void* pModule, int32_t row_num, uint8_t* row_buf)
-{
- CCodec_ProgressiveDecoder* pCodec = (CCodec_ProgressiveDecoder*)pModule;
- CFX_DIBitmap* pDIBitmap = pCodec->m_pDeviceBitmap;
- ASSERT(pDIBitmap != NULL);
- int32_t img_width = pCodec->m_GifFrameRect.Width();
- if (!pDIBitmap->HasAlpha()) {
- uint8_t* byte_ptr = row_buf;
- for (int i = 0; i < img_width; i++ ) {
- if(*byte_ptr == pCodec->m_GifTransIndex) {
- *byte_ptr = pCodec->m_GifBgIndex;
- }
- byte_ptr++;
+void CCodec_ProgressiveDecoder::GetTransMethod(FXDIB_Format des_format,
+ FXCodec_Format src_format) {
+ switch (des_format) {
+ case FXDIB_1bppMask:
+ case FXDIB_1bppRgb: {
+ switch (src_format) {
+ case FXCodec_1bppGray:
+ m_TransMethod = 0;
+ break;
+ default:
+ m_TransMethod = -1;
+ }
+ } break;
+ case FXDIB_8bppMask:
+ case FXDIB_8bppRgb: {
+ switch (src_format) {
+ case FXCodec_1bppGray:
+ m_TransMethod = 1;
+ break;
+ case FXCodec_8bppGray:
+ m_TransMethod = 2;
+ break;
+ case FXCodec_1bppRgb:
+ case FXCodec_8bppRgb:
+ m_TransMethod = 3;
+ break;
+ case FXCodec_Rgb:
+ case FXCodec_Rgb32:
+ case FXCodec_Argb:
+ m_TransMethod = 4;
+ break;
+ case FXCodec_Cmyk:
+ m_TransMethod = 5;
+ break;
+ default:
+ m_TransMethod = -1;
+ }
+ } break;
+ case FXDIB_Rgb: {
+ switch (src_format) {
+ case FXCodec_1bppGray:
+ m_TransMethod = 6;
+ break;
+ case FXCodec_8bppGray:
+ m_TransMethod = 7;
+ break;
+ case FXCodec_1bppRgb:
+ case FXCodec_8bppRgb:
+ m_TransMethod = 8;
+ break;
+ case FXCodec_Rgb:
+ case FXCodec_Rgb32:
+ case FXCodec_Argb:
+ m_TransMethod = 9;
+ break;
+ case FXCodec_Cmyk:
+ m_TransMethod = 10;
+ break;
+ default:
+ m_TransMethod = -1;
+ }
+ } break;
+ case FXDIB_Rgb32:
+ case FXDIB_Argb: {
+ switch (src_format) {
+ case FXCodec_1bppGray:
+ m_TransMethod = 6;
+ break;
+ case FXCodec_8bppGray:
+ m_TransMethod = 7;
+ break;
+ case FXCodec_1bppRgb:
+ case FXCodec_8bppRgb:
+ if (des_format == FXDIB_Argb) {
+ m_TransMethod = 12;
+ } else {
+ m_TransMethod = 8;
+ }
+ break;
+ case FXCodec_Rgb:
+ case FXCodec_Rgb32:
+ m_TransMethod = 9;
+ break;
+ case FXCodec_Cmyk:
+ m_TransMethod = 10;
+ break;
+ case FXCodec_Argb:
+ m_TransMethod = 11;
+ break;
+ default:
+ m_TransMethod = -1;
+ }
+ } break;
+ default:
+ m_TransMethod = -1;
+ }
+}
+void _RGB2BGR(uint8_t* buffer, int width = 1) {
+ if (buffer && width > 0) {
+ uint8_t temp;
+ int i = 0;
+ int j = 0;
+ for (; i < width; i++, j += 3) {
+ temp = buffer[j];
+ buffer[j] = buffer[j + 2];
+ buffer[j + 2] = temp;
+ }
+ }
+}
+void CCodec_ProgressiveDecoder::ReSampleScanline(CFX_DIBitmap* pDeviceBitmap,
+ int des_line,
+ uint8_t* src_scan,
+ FXCodec_Format src_format) {
+ int src_left = m_clipBox.left;
+ int des_left = m_startX;
+ uint8_t* des_scan =
+ pDeviceBitmap->GetBuffer() + des_line * pDeviceBitmap->GetPitch();
+ int src_bpp = src_format & 0xff;
+ int des_bpp = pDeviceBitmap->GetBPP();
+ int src_Bpp = src_bpp >> 3;
+ int des_Bpp = des_bpp >> 3;
+ src_scan += src_left * src_Bpp;
+ des_scan += des_left * des_Bpp;
+ for (int des_col = 0; des_col < m_sizeX; des_col++) {
+ PixelWeight* pPixelWeights = m_WeightHorz.GetPixelWeight(des_col);
+ switch (m_TransMethod) {
+ case -1:
+ return;
+ case 0:
+ return;
+ case 1:
+ return;
+ case 2: {
+ FX_DWORD des_g = 0;
+ for (int j = pPixelWeights->m_SrcStart; j <= pPixelWeights->m_SrcEnd;
+ j++) {
+ int pixel_weight =
+ pPixelWeights->m_Weights[j - pPixelWeights->m_SrcStart];
+ des_g += pixel_weight * src_scan[j];
}
- }
- int32_t pal_index = pCodec->m_GifBgIndex;
- if (pCodec->m_GifTransIndex != -1 && pCodec->m_pDeviceBitmap->HasAlpha()) {
- pal_index = pCodec->m_GifTransIndex;
- }
- FXSYS_memset(pCodec->m_pDecodeBuf, pal_index, pCodec->m_SrcWidth);
- FX_BOOL bLastPass = ((row_num % 2) == 1) ? TRUE : FALSE;
- int32_t line = row_num + pCodec->m_GifFrameRect.top;
- int32_t left = pCodec->m_GifFrameRect.left;
- FXSYS_memcpy(pCodec->m_pDecodeBuf + left, row_buf, img_width);
- int src_top = pCodec->m_clipBox.top;
- int src_bottom = pCodec->m_clipBox.bottom;
- int des_top = pCodec->m_startY;
- int src_hei = pCodec->m_clipBox.Height();
- int des_hei = pCodec->m_sizeY;
- if(line >= src_top && line < src_bottom) {
- double scale_y = (double)des_hei / (double)src_hei;
- int src_row = line - src_top;
- int des_row = (int)(src_row * scale_y) + des_top;
- if(des_row >= des_top + des_hei) {
- return;
+ *des_scan++ = (uint8_t)(des_g >> 16);
+ } break;
+ case 3: {
+ int des_r = 0, des_g = 0, des_b = 0;
+ for (int j = pPixelWeights->m_SrcStart; j <= pPixelWeights->m_SrcEnd;
+ j++) {
+ int pixel_weight =
+ pPixelWeights->m_Weights[j - pPixelWeights->m_SrcStart];
+ unsigned long argb = m_pSrcPalette[src_scan[j]];
+ des_r += pixel_weight * (uint8_t)(argb >> 16);
+ des_g += pixel_weight * (uint8_t)(argb >> 8);
+ des_b += pixel_weight * (uint8_t)argb;
}
- pCodec->ReSampleScanline(pDIBitmap, des_row, pCodec->m_pDecodeBuf, pCodec->m_SrcFormat);
- if(scale_y > 1.0 && (!pCodec->m_bInterpol || pCodec->m_SrcPassNumber == 1)) {
- pCodec->ResampleVert(pDIBitmap, scale_y, des_row);
- return;
+ *des_scan++ =
+ (uint8_t)FXRGB2GRAY((des_r >> 16), (des_g >> 16), (des_b >> 16));
+ } break;
+ case 4: {
+ FX_DWORD des_b = 0, des_g = 0, des_r = 0;
+ for (int j = pPixelWeights->m_SrcStart; j <= pPixelWeights->m_SrcEnd;
+ j++) {
+ int pixel_weight =
+ pPixelWeights->m_Weights[j - pPixelWeights->m_SrcStart];
+ const uint8_t* src_pixel = src_scan + j * src_Bpp;
+ des_b += pixel_weight * (*src_pixel++);
+ des_g += pixel_weight * (*src_pixel++);
+ des_r += pixel_weight * (*src_pixel);
}
- if(scale_y > 1.0) {
- int des_bottom = des_top + pCodec->m_sizeY;
- int des_Bpp = pDIBitmap->GetBPP() >> 3;
- FX_DWORD des_ScanOffet = pCodec->m_startX * des_Bpp;
- if(des_row + (int)scale_y >= des_bottom - 1) {
- uint8_t* scan_src = (uint8_t*)pDIBitmap->GetScanline(des_row) + des_ScanOffet;
- int cur_row = des_row;
- while (++cur_row < des_bottom) {
- uint8_t* scan_des = (uint8_t*)pDIBitmap->GetScanline(cur_row) + des_ScanOffet;
- FX_DWORD size = pCodec->m_sizeX * des_Bpp;
- FXSYS_memcpy(scan_des, scan_src, size);
- }
- }
- if(bLastPass) {
- pCodec->GifDoubleLineResampleVert(pDIBitmap, scale_y, des_row);
- }
+ *des_scan++ =
+ (uint8_t)FXRGB2GRAY((des_r >> 16), (des_g >> 16), (des_b >> 16));
+ } break;
+ case 5: {
+ FX_DWORD des_b = 0, des_g = 0, des_r = 0;
+ for (int j = pPixelWeights->m_SrcStart; j <= pPixelWeights->m_SrcEnd;
+ j++) {
+ int pixel_weight =
+ pPixelWeights->m_Weights[j - pPixelWeights->m_SrcStart];
+ const uint8_t* src_pixel = src_scan + j * src_Bpp;
+ uint8_t src_b = 0, src_g = 0, src_r = 0;
+ AdobeCMYK_to_sRGB1(255 - src_pixel[0], 255 - src_pixel[1],
+ 255 - src_pixel[2], 255 - src_pixel[3], src_r,
+ src_g, src_b);
+ des_b += pixel_weight * src_b;
+ des_g += pixel_weight * src_g;
+ des_r += pixel_weight * src_r;
}
- }
-}
-void CCodec_ProgressiveDecoder::GifDoubleLineResampleVert(CFX_DIBitmap* pDeviceBitmap, double scale_y, int des_row)
-{
- int des_Bpp = pDeviceBitmap->GetBPP() >> 3;
- FX_DWORD des_ScanOffet = m_startX * des_Bpp;
- int des_top = m_startY;
- int des_row_1 = des_row - int(2 * scale_y);
- if(des_row_1 < des_top) {
- des_row_1 = des_top;
- }
- for (; des_row_1 < des_row; des_row_1++) {
- uint8_t* scan_des = (uint8_t*)pDeviceBitmap->GetScanline(des_row_1) + des_ScanOffet;
- PixelWeight* pWeight = m_WeightVert.GetPixelWeight(des_row_1 - des_top);
- const uint8_t* scan_src1 = pDeviceBitmap->GetScanline(pWeight->m_SrcStart + des_top) + des_ScanOffet;
- const uint8_t* scan_src2 = pDeviceBitmap->GetScanline(pWeight->m_SrcEnd + des_top) + des_ScanOffet;
- for (int des_col = 0; des_col < m_sizeX; des_col++) {
- switch(pDeviceBitmap->GetFormat()) {
- case FXDIB_Invalid:
- case FXDIB_1bppMask:
- case FXDIB_1bppRgb:
- return;
- case FXDIB_8bppMask:
- case FXDIB_8bppRgb: {
- if(pDeviceBitmap->GetPalette() != NULL) {
- return;
- }
- int des_g = 0;
- des_g += pWeight->m_Weights[0] * (*scan_src1++);
- des_g += pWeight->m_Weights[1] * (*scan_src2++);
- *scan_des++ = (uint8_t)(des_g >> 16);
- }
- break;
- case FXDIB_Rgb:
- case FXDIB_Rgb32: {
- FX_DWORD des_b = 0, des_g = 0, des_r = 0;
- des_b += pWeight->m_Weights[0] * (*scan_src1++);
- des_g += pWeight->m_Weights[0] * (*scan_src1++);
- des_r += pWeight->m_Weights[0] * (*scan_src1++);
- scan_src1 += des_Bpp - 3;
- des_b += pWeight->m_Weights[1] * (*scan_src2++);
- des_g += pWeight->m_Weights[1] * (*scan_src2++);
- des_r += pWeight->m_Weights[1] * (*scan_src2++);
- scan_src2 += des_Bpp - 3;
- *scan_des++ = (uint8_t)((des_b) >> 16);
- *scan_des++ = (uint8_t)((des_g) >> 16);
- *scan_des++ = (uint8_t)((des_r) >> 16);
- scan_des += des_Bpp - 3;
- }
- break;
- case FXDIB_Argb: {
- FX_DWORD des_a = 0, des_b = 0, des_g = 0, des_r = 0;
- des_b += pWeight->m_Weights[0] * (*scan_src1++);
- des_g += pWeight->m_Weights[0] * (*scan_src1++);
- des_r += pWeight->m_Weights[0] * (*scan_src1++);
- des_a += pWeight->m_Weights[0] * (*scan_src1++);
- des_b += pWeight->m_Weights[1] * (*scan_src2++);
- des_g += pWeight->m_Weights[1] * (*scan_src2++);
- des_r += pWeight->m_Weights[1] * (*scan_src2++);
- des_a += pWeight->m_Weights[1] * (*scan_src2++);
- *scan_des++ = (uint8_t)((des_b) >> 16);
- *scan_des++ = (uint8_t)((des_g) >> 16);
- *scan_des++ = (uint8_t)((des_r) >> 16);
- *scan_des++ = (uint8_t)((des_a) >> 16);
- }
- break;
- default:
- return;
- }
+ *des_scan++ =
+ (uint8_t)FXRGB2GRAY((des_r >> 16), (des_g >> 16), (des_b >> 16));
+ } break;
+ case 6:
+ return;
+ case 7: {
+ FX_DWORD des_g = 0;
+ for (int j = pPixelWeights->m_SrcStart; j <= pPixelWeights->m_SrcEnd;
+ j++) {
+ int pixel_weight =
+ pPixelWeights->m_Weights[j - pPixelWeights->m_SrcStart];
+ des_g += pixel_weight * src_scan[j];
}
- }
- int des_bottom = des_top + m_sizeY - 1;
- if(des_row + (int)(2 * scale_y) >= des_bottom && des_row + (int)scale_y < des_bottom) {
- GifDoubleLineResampleVert(pDeviceBitmap, scale_y, des_row + (int)scale_y);
- }
-}
-FX_BOOL CCodec_ProgressiveDecoder::BmpReadMoreData(ICodec_BmpModule* pBmpModule, FXCODEC_STATUS& err_status)
-{
- FX_DWORD dwSize = (FX_DWORD)m_pFile->GetSize();
- if (dwSize <= m_offSet) {
- return FALSE;
- }
- dwSize = dwSize - m_offSet;
- FX_DWORD dwAvail = pBmpModule->GetAvailInput(m_pBmpContext, NULL);
- if (dwAvail == m_SrcSize) {
- if (dwSize > FXCODEC_BLOCK_SIZE) {
- dwSize = FXCODEC_BLOCK_SIZE;
+ FXSYS_memset(des_scan, (uint8_t)(des_g >> 16), 3);
+ des_scan += des_Bpp;
+ } break;
+ case 8: {
+ int des_r = 0, des_g = 0, des_b = 0;
+ for (int j = pPixelWeights->m_SrcStart; j <= pPixelWeights->m_SrcEnd;
+ j++) {
+ int pixel_weight =
+ pPixelWeights->m_Weights[j - pPixelWeights->m_SrcStart];
+ unsigned long argb = m_pSrcPalette[src_scan[j]];
+ des_r += pixel_weight * (uint8_t)(argb >> 16);
+ des_g += pixel_weight * (uint8_t)(argb >> 8);
+ des_b += pixel_weight * (uint8_t)argb;
}
- m_SrcSize = (dwSize + dwAvail + FXCODEC_BLOCK_SIZE - 1) / FXCODEC_BLOCK_SIZE * FXCODEC_BLOCK_SIZE;
- m_pSrcBuf = FX_Realloc(uint8_t, m_pSrcBuf, m_SrcSize);
- if (!m_pSrcBuf) {
- err_status = FXCODEC_STATUS_ERR_MEMORY;
- return FALSE;
+ *des_scan++ = (uint8_t)((des_b) >> 16);
+ *des_scan++ = (uint8_t)((des_g) >> 16);
+ *des_scan++ = (uint8_t)((des_r) >> 16);
+ des_scan += des_Bpp - 3;
+ } break;
+ case 12: {
+ if (m_pBmpContext) {
+ int des_r = 0, des_g = 0, des_b = 0;
+ for (int j = pPixelWeights->m_SrcStart; j <= pPixelWeights->m_SrcEnd;
+ j++) {
+ int pixel_weight =
+ pPixelWeights->m_Weights[j - pPixelWeights->m_SrcStart];
+ unsigned long argb = m_pSrcPalette[src_scan[j]];
+ des_r += pixel_weight * (uint8_t)(argb >> 16);
+ des_g += pixel_weight * (uint8_t)(argb >> 8);
+ des_b += pixel_weight * (uint8_t)argb;
+ }
+ *des_scan++ = (uint8_t)((des_b) >> 16);
+ *des_scan++ = (uint8_t)((des_g) >> 16);
+ *des_scan++ = (uint8_t)((des_r) >> 16);
+ *des_scan++ = 0xFF;
+ } else {
+ int des_a = 0, des_r = 0, des_g = 0, des_b = 0;
+ for (int j = pPixelWeights->m_SrcStart; j <= pPixelWeights->m_SrcEnd;
+ j++) {
+ int pixel_weight =
+ pPixelWeights->m_Weights[j - pPixelWeights->m_SrcStart];
+ unsigned long argb = m_pSrcPalette[src_scan[j]];
+ des_a += pixel_weight * (uint8_t)(argb >> 24);
+ des_r += pixel_weight * (uint8_t)(argb >> 16);
+ des_g += pixel_weight * (uint8_t)(argb >> 8);
+ des_b += pixel_weight * (uint8_t)argb;
+ }
+ *des_scan++ = (uint8_t)((des_b) >> 16);
+ *des_scan++ = (uint8_t)((des_g) >> 16);
+ *des_scan++ = (uint8_t)((des_r) >> 16);
+ *des_scan++ = (uint8_t)((des_a) >> 16);
}
- } else {
- FX_DWORD dwConsume = m_SrcSize - dwAvail;
- if (dwAvail) {
- FXSYS_memcpy(m_pSrcBuf, m_pSrcBuf + dwConsume, dwAvail);
+ } break;
+ case 9: {
+ FX_DWORD des_b = 0, des_g = 0, des_r = 0;
+ for (int j = pPixelWeights->m_SrcStart; j <= pPixelWeights->m_SrcEnd;
+ j++) {
+ int pixel_weight =
+ pPixelWeights->m_Weights[j - pPixelWeights->m_SrcStart];
+ const uint8_t* src_pixel = src_scan + j * src_Bpp;
+ des_b += pixel_weight * (*src_pixel++);
+ des_g += pixel_weight * (*src_pixel++);
+ des_r += pixel_weight * (*src_pixel);
}
- if (dwSize > dwConsume) {
- dwSize = dwConsume;
+ *des_scan++ = (uint8_t)((des_b) >> 16);
+ *des_scan++ = (uint8_t)((des_g) >> 16);
+ *des_scan++ = (uint8_t)((des_r) >> 16);
+ des_scan += des_Bpp - 3;
+ } break;
+ case 10: {
+ FX_DWORD des_b = 0, des_g = 0, des_r = 0;
+ for (int j = pPixelWeights->m_SrcStart; j <= pPixelWeights->m_SrcEnd;
+ j++) {
+ int pixel_weight =
+ pPixelWeights->m_Weights[j - pPixelWeights->m_SrcStart];
+ const uint8_t* src_pixel = src_scan + j * src_Bpp;
+ uint8_t src_b = 0, src_g = 0, src_r = 0;
+ AdobeCMYK_to_sRGB1(255 - src_pixel[0], 255 - src_pixel[1],
+ 255 - src_pixel[2], 255 - src_pixel[3], src_r,
+ src_g, src_b);
+ des_b += pixel_weight * src_b;
+ des_g += pixel_weight * src_g;
+ des_r += pixel_weight * src_r;
}
- }
- if (!m_pFile->ReadBlock(m_pSrcBuf + dwAvail, m_offSet, dwSize)) {
- err_status = FXCODEC_STATUS_ERR_READ;
- return FALSE;
- }
- m_offSet += dwSize;
- pBmpModule->Input(m_pBmpContext, m_pSrcBuf, dwSize + dwAvail);
- return TRUE;
-}
-FX_BOOL CCodec_ProgressiveDecoder::BmpInputImagePositionBufCallback(void* pModule, FX_DWORD rcd_pos)
-{
- CCodec_ProgressiveDecoder* pCodec = (CCodec_ProgressiveDecoder*)pModule;
- pCodec->m_offSet = rcd_pos;
- FXCODEC_STATUS error_status = FXCODEC_STATUS_ERROR;
- if(!pCodec->BmpReadMoreData(pCodec->m_pCodecMgr->GetBmpModule(), error_status)) {
- return FALSE;
- }
- return TRUE;
-}
-void CCodec_ProgressiveDecoder::BmpReadScanlineCallback(void* pModule, int32_t row_num, uint8_t* row_buf)
-{
- CCodec_ProgressiveDecoder* pCodec = (CCodec_ProgressiveDecoder*)pModule;
- CFX_DIBitmap* pDIBitmap = pCodec->m_pDeviceBitmap;
- ASSERT(pDIBitmap != NULL);
- FXSYS_memcpy(pCodec->m_pDecodeBuf, row_buf, pCodec->m_ScanlineSize);
- int src_top = pCodec->m_clipBox.top;
- int src_bottom = pCodec->m_clipBox.bottom;
- int des_top = pCodec->m_startY;
- int src_hei = pCodec->m_clipBox.Height();
- int des_hei = pCodec->m_sizeY;
- if(row_num >= src_top && row_num < src_bottom) {
- double scale_y = (double)des_hei / (double)src_hei;
- int src_row = row_num - src_top;
- int des_row = (int)(src_row * scale_y) + des_top;
- if(des_row >= des_top + des_hei) {
- return;
- }
- pCodec->ReSampleScanline(pDIBitmap, des_row, pCodec->m_pDecodeBuf, pCodec->m_SrcFormat);
- if(scale_y > 1.0) {
- if(pCodec->m_BmpIsTopBottom || !pCodec->m_bInterpol) {
- pCodec->ResampleVert(pDIBitmap, scale_y, des_row);
- return;
- } else {
- pCodec->ResampleVertBT(pDIBitmap, scale_y, des_row);
- }
+ *des_scan++ = (uint8_t)((des_b) >> 16);
+ *des_scan++ = (uint8_t)((des_g) >> 16);
+ *des_scan++ = (uint8_t)((des_r) >> 16);
+ des_scan += des_Bpp - 3;
+ } break;
+ case 11: {
+ FX_DWORD des_alpha = 0, des_r = 0, des_g = 0, des_b = 0;
+ for (int j = pPixelWeights->m_SrcStart; j <= pPixelWeights->m_SrcEnd;
+ j++) {
+ int pixel_weight =
+ pPixelWeights->m_Weights[j - pPixelWeights->m_SrcStart];
+ const uint8_t* src_pixel = src_scan + j * src_Bpp;
+ pixel_weight = pixel_weight * src_pixel[3] / 255;
+ des_b += pixel_weight * (*src_pixel++);
+ des_g += pixel_weight * (*src_pixel++);
+ des_r += pixel_weight * (*src_pixel);
+ des_alpha += pixel_weight;
}
+ *des_scan++ = (uint8_t)((des_b) >> 16);
+ *des_scan++ = (uint8_t)((des_g) >> 16);
+ *des_scan++ = (uint8_t)((des_r) >> 16);
+ *des_scan++ = (uint8_t)((des_alpha * 255) >> 16);
+ } break;
+ default:
+ return;
}
+ }
}
-void CCodec_ProgressiveDecoder::ResampleVertBT(CFX_DIBitmap* pDeviceBitmap, double scale_y, int des_row)
-{
- int des_Bpp = pDeviceBitmap->GetBPP() >> 3;
- FX_DWORD des_ScanOffet = m_startX * des_Bpp;
+void CCodec_ProgressiveDecoder::ResampleVert(CFX_DIBitmap* pDeviceBitmap,
+ double scale_y,
+ int des_row) {
+ int des_Bpp = pDeviceBitmap->GetBPP() >> 3;
+ FX_DWORD des_ScanOffet = m_startX * des_Bpp;
+ if (m_bInterpol) {
int des_top = m_startY;
- int des_bottom = m_startY + m_sizeY;
- int des_row_1 = des_row + int(scale_y);
- if(des_row_1 >= des_bottom - 1) {
- uint8_t* scan_src = (uint8_t*)pDeviceBitmap->GetScanline(des_row) + des_ScanOffet;
+ int des_row_1 = des_row - int(scale_y);
+ if (des_row_1 < des_top) {
+ int des_bottom = des_top + m_sizeY;
+ if (des_row + (int)scale_y >= des_bottom - 1) {
+ uint8_t* scan_src =
+ (uint8_t*)pDeviceBitmap->GetScanline(des_row) + des_ScanOffet;
while (++des_row < des_bottom) {
- uint8_t* scan_des = (uint8_t*)pDeviceBitmap->GetScanline(des_row) + des_ScanOffet;
- FX_DWORD size = m_sizeX * des_Bpp;
- FXSYS_memcpy(scan_des, scan_src, size);
+ uint8_t* scan_des =
+ (uint8_t*)pDeviceBitmap->GetScanline(des_row) + des_ScanOffet;
+ FX_DWORD size = m_sizeX * des_Bpp;
+ FXSYS_memcpy(scan_des, scan_src, size);
}
- return;
+ }
+ return;
}
- for (; des_row_1 > des_row; des_row_1--) {
- uint8_t* scan_des = (uint8_t*)pDeviceBitmap->GetScanline(des_row_1) + des_ScanOffet;
- PixelWeight* pWeight = m_WeightVert.GetPixelWeight(des_row_1 - des_top);
- const uint8_t* scan_src1 = pDeviceBitmap->GetScanline(pWeight->m_SrcStart + des_top) + des_ScanOffet;
- const uint8_t* scan_src2 = pDeviceBitmap->GetScanline(pWeight->m_SrcEnd + des_top) + des_ScanOffet;
- for (int des_col = 0; des_col < m_sizeX; des_col++) {
- switch(pDeviceBitmap->GetFormat()) {
- case FXDIB_Invalid:
- case FXDIB_1bppMask:
- case FXDIB_1bppRgb:
- return;
- case FXDIB_8bppMask:
- case FXDIB_8bppRgb: {
- if(pDeviceBitmap->GetPalette() != NULL) {
- return;
- }
- int des_g = 0;
- des_g += pWeight->m_Weights[0] * (*scan_src1++);
- des_g += pWeight->m_Weights[1] * (*scan_src2++);
- *scan_des++ = (uint8_t)(des_g >> 16);
- }
- break;
- case FXDIB_Rgb:
- case FXDIB_Rgb32: {
- FX_DWORD des_b = 0, des_g = 0, des_r = 0;
- des_b += pWeight->m_Weights[0] * (*scan_src1++);
- des_g += pWeight->m_Weights[0] * (*scan_src1++);
- des_r += pWeight->m_Weights[0] * (*scan_src1++);
- scan_src1 += des_Bpp - 3;
- des_b += pWeight->m_Weights[1] * (*scan_src2++);
- des_g += pWeight->m_Weights[1] * (*scan_src2++);
- des_r += pWeight->m_Weights[1] * (*scan_src2++);
- scan_src2 += des_Bpp - 3;
- *scan_des++ = (uint8_t)((des_b) >> 16);
- *scan_des++ = (uint8_t)((des_g) >> 16);
- *scan_des++ = (uint8_t)((des_r) >> 16);
- scan_des += des_Bpp - 3;
- }
- break;
- case FXDIB_Argb: {
- FX_DWORD des_a = 0, des_b = 0, des_g = 0, des_r = 0;
- des_b += pWeight->m_Weights[0] * (*scan_src1++);
- des_g += pWeight->m_Weights[0] * (*scan_src1++);
- des_r += pWeight->m_Weights[0] * (*scan_src1++);
- des_a += pWeight->m_Weights[0] * (*scan_src1++);
- des_b += pWeight->m_Weights[1] * (*scan_src2++);
- des_g += pWeight->m_Weights[1] * (*scan_src2++);
- des_r += pWeight->m_Weights[1] * (*scan_src2++);
- des_a += pWeight->m_Weights[1] * (*scan_src2++);
- *scan_des++ = (uint8_t)((des_b) >> 16);
- *scan_des++ = (uint8_t)((des_g) >> 16);
- *scan_des++ = (uint8_t)((des_r) >> 16);
- *scan_des++ = (uint8_t)((des_a) >> 16);
- }
- break;
- default:
- return;
+ for (; des_row_1 < des_row; des_row_1++) {
+ uint8_t* scan_des =
+ (uint8_t*)pDeviceBitmap->GetScanline(des_row_1) + des_ScanOffet;
+ PixelWeight* pWeight = m_WeightVert.GetPixelWeight(des_row_1 - des_top);
+ const uint8_t* scan_src1 =
+ pDeviceBitmap->GetScanline(pWeight->m_SrcStart + des_top) +
+ des_ScanOffet;
+ const uint8_t* scan_src2 =
+ pDeviceBitmap->GetScanline(pWeight->m_SrcEnd + des_top) +
+ des_ScanOffet;
+ for (int des_col = 0; des_col < m_sizeX; des_col++) {
+ switch (pDeviceBitmap->GetFormat()) {
+ case FXDIB_Invalid:
+ case FXDIB_1bppMask:
+ case FXDIB_1bppRgb:
+ return;
+ case FXDIB_8bppMask:
+ case FXDIB_8bppRgb: {
+ if (pDeviceBitmap->GetPalette() != NULL) {
+ return;
}
+ int des_g = 0;
+ des_g += pWeight->m_Weights[0] * (*scan_src1++);
+ des_g += pWeight->m_Weights[1] * (*scan_src2++);
+ *scan_des++ = (uint8_t)(des_g >> 16);
+ } break;
+ case FXDIB_Rgb:
+ case FXDIB_Rgb32: {
+ FX_DWORD des_b = 0, des_g = 0, des_r = 0;
+ des_b += pWeight->m_Weights[0] * (*scan_src1++);
+ des_g += pWeight->m_Weights[0] * (*scan_src1++);
+ des_r += pWeight->m_Weights[0] * (*scan_src1++);
+ scan_src1 += des_Bpp - 3;
+ des_b += pWeight->m_Weights[1] * (*scan_src2++);
+ des_g += pWeight->m_Weights[1] * (*scan_src2++);
+ des_r += pWeight->m_Weights[1] * (*scan_src2++);
+ scan_src2 += des_Bpp - 3;
+ *scan_des++ = (uint8_t)((des_b) >> 16);
+ *scan_des++ = (uint8_t)((des_g) >> 16);
+ *scan_des++ = (uint8_t)((des_r) >> 16);
+ scan_des += des_Bpp - 3;
+ } break;
+ case FXDIB_Argb: {
+ FX_DWORD des_a = 0, des_b = 0, des_g = 0, des_r = 0;
+ des_b += pWeight->m_Weights[0] * (*scan_src1++);
+ des_g += pWeight->m_Weights[0] * (*scan_src1++);
+ des_r += pWeight->m_Weights[0] * (*scan_src1++);
+ des_a += pWeight->m_Weights[0] * (*scan_src1++);
+ des_b += pWeight->m_Weights[1] * (*scan_src2++);
+ des_g += pWeight->m_Weights[1] * (*scan_src2++);
+ des_r += pWeight->m_Weights[1] * (*scan_src2++);
+ des_a += pWeight->m_Weights[1] * (*scan_src2++);
+ *scan_des++ = (uint8_t)((des_b) >> 16);
+ *scan_des++ = (uint8_t)((des_g) >> 16);
+ *scan_des++ = (uint8_t)((des_r) >> 16);
+ *scan_des++ = (uint8_t)((des_a) >> 16);
+ } break;
+ default:
+ return;
}
+ }
+ }
+ int des_bottom = des_top + m_sizeY;
+ if (des_row + (int)scale_y >= des_bottom - 1) {
+ uint8_t* scan_src =
+ (uint8_t*)pDeviceBitmap->GetScanline(des_row) + des_ScanOffet;
+ while (++des_row < des_bottom) {
+ uint8_t* scan_des =
+ (uint8_t*)pDeviceBitmap->GetScanline(des_row) + des_ScanOffet;
+ FX_DWORD size = m_sizeX * des_Bpp;
+ FXSYS_memcpy(scan_des, scan_src, size);
+ }
+ }
+ return;
+ }
+ int multiple = (int)FXSYS_ceil((FX_FLOAT)scale_y - 1);
+ if (multiple > 0) {
+ uint8_t* scan_src =
+ (uint8_t*)pDeviceBitmap->GetScanline(des_row) + des_ScanOffet;
+ for (int i = 1; i <= multiple; i++) {
+ if (des_row + i >= m_startY + m_sizeY) {
+ return;
+ }
+ uint8_t* scan_des =
+ (uint8_t*)pDeviceBitmap->GetScanline(des_row + i) + des_ScanOffet;
+ FX_DWORD size = m_sizeX * des_Bpp;
+ FXSYS_memcpy(scan_des, scan_src, size);
}
+ }
}
-FX_BOOL CCodec_ProgressiveDecoder::DetectImageType(FXCODEC_IMAGE_TYPE imageType, CFX_DIBAttribute* pAttribute)
-{
- m_offSet = 0;
- FX_DWORD size = (FX_DWORD)m_pFile->GetSize();
- if(size > FXCODEC_BLOCK_SIZE) {
- size = FXCODEC_BLOCK_SIZE;
- }
- if(m_pSrcBuf != NULL) {
- FX_Free(m_pSrcBuf);
- m_pSrcBuf = NULL;
- }
- m_pSrcBuf = FX_Alloc(uint8_t, size);
- if(m_pSrcBuf == NULL) {
- m_status = FXCODEC_STATUS_ERR_MEMORY;
- return FALSE;
- }
- FXSYS_memset(m_pSrcBuf, 0, size);
- m_SrcSize = size;
- switch(imageType) {
- case FXCODEC_IMAGE_BMP: {
- ICodec_BmpModule* pBmpModule = m_pCodecMgr->GetBmpModule();
- if(pBmpModule == NULL) {
- m_status = FXCODEC_STATUS_ERR_MEMORY;
- return FALSE;
- }
- pBmpModule->InputImagePositionBufCallback = BmpInputImagePositionBufCallback;
- pBmpModule->ReadScanlineCallback = BmpReadScanlineCallback;
- m_pBmpContext = pBmpModule->Start((void*)this);
- if(m_pBmpContext == NULL) {
- m_status = FXCODEC_STATUS_ERR_MEMORY;
- return FALSE;
- }
- FX_BOOL bResult = m_pFile->ReadBlock(m_pSrcBuf, 0, size);
- if(!bResult) {
- m_status = FXCODEC_STATUS_ERR_READ;
- return FALSE;
- }
- m_offSet += size;
- pBmpModule->Input(m_pBmpContext, m_pSrcBuf, size);
- FX_DWORD* pPalette = NULL;
- int32_t readResult = pBmpModule->ReadHeader(m_pBmpContext, &m_SrcWidth, &m_SrcHeight, &m_BmpIsTopBottom,
- &m_SrcComponents, &m_SrcPaletteNumber, &pPalette, pAttribute);
- while(readResult == 2) {
- FXCODEC_STATUS error_status = FXCODEC_STATUS_ERR_FORMAT;
- if(!BmpReadMoreData(pBmpModule, error_status)) {
- m_status = error_status;
- return FALSE;
- }
- readResult = pBmpModule->ReadHeader(m_pBmpContext, &m_SrcWidth, &m_SrcHeight, &m_BmpIsTopBottom,
- &m_SrcComponents, &m_SrcPaletteNumber, &pPalette, pAttribute);
- }
- if(readResult == 1) {
- m_SrcBPC = 8;
- m_clipBox = FX_RECT(0, 0, m_SrcWidth, m_SrcHeight);
- if(m_pSrcPalette != NULL) {
- FX_Free(m_pSrcPalette);
- m_pSrcPalette = NULL;
- }
- if (m_SrcPaletteNumber) {
- m_pSrcPalette = FX_Alloc(FX_ARGB, m_SrcPaletteNumber);
- if(m_pSrcPalette == NULL) {
- m_status = FXCODEC_STATUS_ERR_MEMORY;
- return FALSE;
- }
- FXSYS_memcpy(m_pSrcPalette, pPalette, m_SrcPaletteNumber * sizeof(FX_DWORD));
- }
- return TRUE;
- }
- if(m_pBmpContext != NULL) {
- pBmpModule->Finish(m_pBmpContext);
- m_pBmpContext = NULL;
- }
- m_status = FXCODEC_STATUS_ERR_FORMAT;
- return FALSE;
- }
- break;
- case FXCODEC_IMAGE_JPG: {
- ICodec_JpegModule* pJpegModule = m_pCodecMgr->GetJpegModule();
- if(pJpegModule == NULL) {
- m_status = FXCODEC_STATUS_ERR_MEMORY;
- return FALSE;
- }
- m_pJpegContext = pJpegModule->Start();
- if(m_pJpegContext == NULL) {
- m_status = FXCODEC_STATUS_ERR_MEMORY;
- return FALSE;
- }
- FX_BOOL bResult = m_pFile->ReadBlock(m_pSrcBuf, 0, size);
- if(!bResult) {
- m_status = FXCODEC_STATUS_ERR_READ;
- return FALSE;
- }
- m_offSet += size;
- pJpegModule->Input(m_pJpegContext, m_pSrcBuf, size);
- int32_t readResult = pJpegModule->ReadHeader(m_pJpegContext, &m_SrcWidth, &m_SrcHeight, &m_SrcComponents, pAttribute);
- while(readResult == 2) {
- FXCODEC_STATUS error_status = FXCODEC_STATUS_ERR_FORMAT;
- if(!JpegReadMoreData(pJpegModule, error_status)) {
- m_status = error_status;
- return FALSE;
- }
- readResult = pJpegModule->ReadHeader(m_pJpegContext, &m_SrcWidth, &m_SrcHeight, &m_SrcComponents, pAttribute);
- }
- if(!readResult) {
- m_SrcBPC = 8;
- m_clipBox = FX_RECT(0, 0, m_SrcWidth, m_SrcHeight);
- return TRUE;
- }
- if(m_pJpegContext != NULL) {
- pJpegModule->Finish(m_pJpegContext);
- m_pJpegContext = NULL;
- }
- m_status = FXCODEC_STATUS_ERR_FORMAT;
- return FALSE;
- }
- break;
- case FXCODEC_IMAGE_PNG: {
- ICodec_PngModule* pPngModule = m_pCodecMgr->GetPngModule();
- if(pPngModule == NULL) {
- m_status = FXCODEC_STATUS_ERR_MEMORY;
- return FALSE;
- }
- pPngModule->ReadHeaderCallback = CCodec_ProgressiveDecoder::PngReadHeaderFunc;
- pPngModule->AskScanlineBufCallback = CCodec_ProgressiveDecoder::PngAskScanlineBufFunc;
- pPngModule->FillScanlineBufCompletedCallback = CCodec_ProgressiveDecoder::PngFillScanlineBufCompletedFunc;
- m_pPngContext = pPngModule->Start((void*)this);
- if(m_pPngContext == NULL) {
- m_status = FXCODEC_STATUS_ERR_MEMORY;
- return FALSE;
- }
- FX_BOOL bResult = m_pFile->ReadBlock(m_pSrcBuf, 0, size);
- if(!bResult) {
- m_status = FXCODEC_STATUS_ERR_READ;
- return FALSE;
- }
- m_offSet += size;
- bResult = pPngModule->Input(m_pPngContext, m_pSrcBuf, size, pAttribute);
- while(bResult) {
- FX_DWORD remain_size = (FX_DWORD)m_pFile->GetSize() - m_offSet;
- FX_DWORD input_size = remain_size > FXCODEC_BLOCK_SIZE ? FXCODEC_BLOCK_SIZE : remain_size;
- if(input_size == 0) {
- if(m_pPngContext != NULL) {
- pPngModule->Finish(m_pPngContext);
- }
- m_pPngContext = NULL;
- m_status = FXCODEC_STATUS_ERR_FORMAT;
- return FALSE;
- }
- if(m_pSrcBuf != NULL && input_size > m_SrcSize) {
- FX_Free(m_pSrcBuf);
- m_pSrcBuf = FX_Alloc(uint8_t, input_size);
- if(m_pSrcBuf == NULL) {
- m_status = FXCODEC_STATUS_ERR_MEMORY;
- return FALSE;
- }
- FXSYS_memset(m_pSrcBuf, 0, input_size);
- m_SrcSize = input_size;
- }
- bResult = m_pFile->ReadBlock(m_pSrcBuf, m_offSet, input_size);
- if(!bResult) {
- m_status = FXCODEC_STATUS_ERR_READ;
- return FALSE;
- }
- m_offSet += input_size;
- bResult = pPngModule->Input(m_pPngContext, m_pSrcBuf, input_size, pAttribute);
- }
- ASSERT(!bResult);
- if(m_pPngContext != NULL) {
- pPngModule->Finish(m_pPngContext);
- m_pPngContext = NULL;
- }
- if(m_SrcPassNumber == 0) {
- m_status = FXCODEC_STATUS_ERR_FORMAT;
- return FALSE;
- }
- }
- break;
- case FXCODEC_IMAGE_GIF: {
- ICodec_GifModule* pGifModule = m_pCodecMgr->GetGifModule();
- if(pGifModule == NULL) {
- m_status = FXCODEC_STATUS_ERR_MEMORY;
- return FALSE;
- }
- pGifModule->RecordCurrentPositionCallback = CCodec_ProgressiveDecoder::GifRecordCurrentPositionCallback;
- pGifModule->AskLocalPaletteBufCallback = CCodec_ProgressiveDecoder::GifAskLocalPaletteBufCallback;
- pGifModule->InputRecordPositionBufCallback = CCodec_ProgressiveDecoder::GifInputRecordPositionBufCallback;
- pGifModule->ReadScanlineCallback = CCodec_ProgressiveDecoder::GifReadScanlineCallback;
- m_pGifContext = pGifModule->Start((void*)this);
- if(m_pGifContext == NULL) {
- m_status = FXCODEC_STATUS_ERR_MEMORY;
- return FALSE;
- }
- FX_BOOL bResult = m_pFile->ReadBlock(m_pSrcBuf, 0, size);
- if(!bResult) {
- m_status = FXCODEC_STATUS_ERR_READ;
- return FALSE;
- }
- m_offSet += size;
- pGifModule->Input(m_pGifContext, m_pSrcBuf, size);
- m_SrcComponents = 1;
- int32_t readResult = pGifModule->ReadHeader(m_pGifContext, &m_SrcWidth, &m_SrcHeight,
- &m_GifPltNumber, (void**)&m_pGifPalette, &m_GifBgIndex);
- while(readResult == 2) {
- FXCODEC_STATUS error_status = FXCODEC_STATUS_ERR_FORMAT;
- if(!GifReadMoreData(pGifModule, error_status)) {
- m_status = error_status;
- return FALSE;
- }
- readResult = pGifModule->ReadHeader(m_pGifContext, &m_SrcWidth, &m_SrcHeight,
- &m_GifPltNumber, (void**)&m_pGifPalette, &m_GifBgIndex);
- }
- if(readResult == 1) {
- m_SrcBPC = 8;
- m_clipBox = FX_RECT(0, 0, m_SrcWidth, m_SrcHeight);
- return TRUE;
- }
- if(m_pGifContext != NULL) {
- pGifModule->Finish(m_pGifContext);
- m_pGifContext = NULL;
- }
- m_status = FXCODEC_STATUS_ERR_FORMAT;
- return FALSE;
- }
- break;
- case FXCODEC_IMAGE_TIF: {
- ICodec_TiffModule* pTiffModule = m_pCodecMgr->GetTiffModule();
- if(pTiffModule == NULL) {
- m_status = FXCODEC_STATUS_ERR_FORMAT;
- return FALSE;
- }
- m_pTiffContext = pTiffModule->CreateDecoder(m_pFile);
- if(m_pTiffContext == NULL) {
- m_status = FXCODEC_STATUS_ERR_FORMAT;
- return FALSE;
- }
- int32_t frames = 0;
- pTiffModule->GetFrames(m_pTiffContext, frames);
- FX_DWORD bpc;
- FX_BOOL ret = pTiffModule->LoadFrameInfo(m_pTiffContext, 0, (FX_DWORD&)m_SrcWidth, (FX_DWORD&)m_SrcHeight, (FX_DWORD&)m_SrcComponents, bpc, pAttribute);
- m_SrcComponents = 4;
- m_clipBox = FX_RECT(0, 0, m_SrcWidth, m_SrcHeight);
- if(!ret) {
- pTiffModule->DestroyDecoder(m_pTiffContext);
- (m_pTiffContext = NULL);
- (m_status = FXCODEC_STATUS_ERR_FORMAT);
- return FALSE;
- }
- }
- break;
- default:
- m_status = FXCODEC_STATUS_ERR_FORMAT;
- return FALSE;
- }
- return TRUE;
+void CCodec_ProgressiveDecoder::Resample(CFX_DIBitmap* pDeviceBitmap,
+ int32_t src_line,
+ uint8_t* src_scan,
+ FXCodec_Format src_format) {
+ int src_top = m_clipBox.top;
+ int des_top = m_startY;
+ int src_hei = m_clipBox.Height();
+ int des_hei = m_sizeY;
+ if (src_line >= src_top) {
+ double scale_y = (double)des_hei / (double)src_hei;
+ int src_row = src_line - src_top;
+ int des_row = (int)(src_row * scale_y) + des_top;
+ if (des_row >= des_top + des_hei) {
+ return;
+ }
+ ReSampleScanline(pDeviceBitmap, des_row, m_pDecodeBuf, src_format);
+ if (scale_y > 1.0) {
+ ResampleVert(pDeviceBitmap, scale_y, des_row);
+ }
+ }
}
-FXCODEC_STATUS CCodec_ProgressiveDecoder::LoadImageInfo(IFX_FileRead* pFile, FXCODEC_IMAGE_TYPE imageType, CFX_DIBAttribute* pAttribute)
-{
- switch(m_status) {
- case FXCODEC_STATUS_FRAME_READY:
- case FXCODEC_STATUS_FRAME_TOBECONTINUE:
- case FXCODEC_STATUS_DECODE_READY:
- case FXCODEC_STATUS_DECODE_TOBECONTINUE:
- return FXCODEC_STATUS_ERROR;
- default:
- ;
- }
- if(pFile == NULL) {
- m_status = FXCODEC_STATUS_ERR_PARAMS;
- m_pFile = NULL;
- return m_status;
- }
- m_pFile = pFile;
- m_offSet = 0;
- m_SrcWidth = m_SrcHeight = 0;
- m_SrcComponents = m_SrcBPC = 0;
- m_clipBox = FX_RECT(0, 0, 0, 0);
- m_startX = m_startY = 0;
- m_sizeX = m_sizeY = 0;
- m_SrcPassNumber = 0;
- if(imageType != FXCODEC_IMAGE_UNKNOWN &&
- DetectImageType(imageType, pAttribute)) {
- m_imagType = imageType;
- m_status = FXCODEC_STATUS_FRAME_READY;
- return m_status;
- }
- for (int type = FXCODEC_IMAGE_BMP; type < FXCODEC_IMAGE_MAX; type++) {
- if(DetectImageType((FXCODEC_IMAGE_TYPE)type, pAttribute)) {
- m_imagType = (FXCODEC_IMAGE_TYPE)type;
- m_status = FXCODEC_STATUS_FRAME_READY;
- return m_status;
+FXCODEC_STATUS CCodec_ProgressiveDecoder::GetFrames(int32_t& frames,
+ IFX_Pause* pPause) {
+ if (!(m_status == FXCODEC_STATUS_FRAME_READY ||
+ m_status == FXCODEC_STATUS_FRAME_TOBECONTINUE)) {
+ return FXCODEC_STATUS_ERROR;
+ }
+ switch (m_imagType) {
+ case FXCODEC_IMAGE_BMP:
+ case FXCODEC_IMAGE_JPG:
+ case FXCODEC_IMAGE_PNG:
+ case FXCODEC_IMAGE_TIF:
+ frames = m_FrameNumber = 1;
+ return m_status = FXCODEC_STATUS_DECODE_READY;
+ case FXCODEC_IMAGE_GIF: {
+ ICodec_GifModule* pGifModule = m_pCodecMgr->GetGifModule();
+ while (TRUE) {
+ int32_t readResult =
+ pGifModule->LoadFrameInfo(m_pGifContext, &m_FrameNumber);
+ while (readResult == 2) {
+ FXCODEC_STATUS error_status = FXCODEC_STATUS_ERR_READ;
+ if (!GifReadMoreData(pGifModule, error_status)) {
+ return error_status;
+ }
+ if (pPause && pPause->NeedToPauseNow()) {
+ return m_status = FXCODEC_STATUS_FRAME_TOBECONTINUE;
+ }
+ readResult = pGifModule->LoadFrameInfo(m_pGifContext, &m_FrameNumber);
}
- }
- m_status = FXCODEC_STATUS_ERR_FORMAT;
- m_pFile = NULL;
- return m_status;
-}
-void CCodec_ProgressiveDecoder::SetClipBox(FX_RECT* clip)
-{
- if(m_status != FXCODEC_STATUS_FRAME_READY) {
- return;
- }
- if(clip->IsEmpty()) {
- m_clipBox = FX_RECT(0, 0, 0, 0);
- return;
- }
- if(clip->left < 0) {
- clip->left = 0;
- }
- if(clip->right > m_SrcWidth) {
- clip->right = m_SrcWidth;
- }
- if(clip->top < 0) {
- clip->top = 0;
- }
- if(clip->bottom > m_SrcHeight) {
- clip->bottom = m_SrcHeight;
- }
- if(clip->IsEmpty()) {
- m_clipBox = FX_RECT(0, 0, 0, 0);
- return;
- }
- m_clipBox = *clip;
-}
-void CCodec_ProgressiveDecoder::GetDownScale(int& down_scale)
-{
- down_scale = 1;
- int ratio_w = m_clipBox.Width() / m_sizeX;
- int ratio_h = m_clipBox.Height() / m_sizeY;
- int ratio = (ratio_w > ratio_h) ? ratio_h : ratio_w;
- if (ratio >= 8) {
- down_scale = 8;
- } else if (ratio >= 4) {
- down_scale = 4;
- } else if (ratio >= 2) {
- down_scale = 2;
- }
- m_clipBox.left /= down_scale;
- m_clipBox.right /= down_scale;
- m_clipBox.top /= down_scale;
- m_clipBox.bottom /= down_scale;
- if(m_clipBox.right == m_clipBox.left) {
- m_clipBox.right = m_clipBox.left + 1;
- }
- if(m_clipBox.bottom == m_clipBox.top) {
- m_clipBox.bottom = m_clipBox.top + 1;
- }
+ if (readResult == 1) {
+ frames = m_FrameNumber;
+ return m_status = FXCODEC_STATUS_DECODE_READY;
+ }
+ if (m_pGifContext != NULL) {
+ pGifModule->Finish(m_pGifContext);
+ m_pGifContext = NULL;
+ }
+ return m_status = FXCODEC_STATUS_ERROR;
+ }
+ } break;
+ default:;
+ }
+ return FXCODEC_STATUS_ERROR;
}
-void CCodec_ProgressiveDecoder::GetTransMethod(FXDIB_Format des_format, FXCodec_Format src_format)
-{
- switch(des_format) {
- case FXDIB_1bppMask:
- case FXDIB_1bppRgb: {
- switch(src_format) {
- case FXCodec_1bppGray:
- m_TransMethod = 0;
- break;
- default:
- m_TransMethod = -1;
- }
- }
- break;
+FXCODEC_STATUS CCodec_ProgressiveDecoder::StartDecode(CFX_DIBitmap* pDIBitmap,
+ int start_x,
+ int start_y,
+ int size_x,
+ int size_y,
+ int32_t frames,
+ FX_BOOL bInterpol) {
+ if (m_status != FXCODEC_STATUS_DECODE_READY) {
+ return FXCODEC_STATUS_ERROR;
+ }
+ if (pDIBitmap == NULL || pDIBitmap->GetBPP() < 8 || frames < 0 ||
+ frames >= m_FrameNumber) {
+ return FXCODEC_STATUS_ERR_PARAMS;
+ }
+ m_pDeviceBitmap = pDIBitmap;
+ if (m_clipBox.IsEmpty()) {
+ return FXCODEC_STATUS_ERR_PARAMS;
+ }
+ if (size_x <= 0 || size_x > 65535 || size_y <= 0 || size_y > 65535) {
+ return FXCODEC_STATUS_ERR_PARAMS;
+ }
+ FX_RECT device_rc =
+ FX_RECT(start_x, start_y, start_x + size_x, start_y + size_y);
+ int32_t out_range_x = device_rc.right - pDIBitmap->GetWidth();
+ int32_t out_range_y = device_rc.bottom - pDIBitmap->GetHeight();
+ device_rc.Intersect(
+ FX_RECT(0, 0, pDIBitmap->GetWidth(), pDIBitmap->GetHeight()));
+ if (device_rc.IsEmpty()) {
+ return FXCODEC_STATUS_ERR_PARAMS;
+ }
+ m_startX = device_rc.left;
+ m_startY = device_rc.top;
+ m_sizeX = device_rc.Width();
+ m_sizeY = device_rc.Height();
+ m_bInterpol = bInterpol;
+ m_FrameCur = 0;
+ if (start_x < 0 || out_range_x > 0) {
+ FX_FLOAT scaleX = (FX_FLOAT)m_clipBox.Width() / (FX_FLOAT)size_x;
+ if (start_x < 0) {
+ m_clipBox.left -= (int32_t)FXSYS_ceil((FX_FLOAT)start_x * scaleX);
+ }
+ if (out_range_x > 0) {
+ m_clipBox.right -= (int32_t)FXSYS_floor((FX_FLOAT)out_range_x * scaleX);
+ }
+ }
+ if (start_y < 0 || out_range_y > 0) {
+ FX_FLOAT scaleY = (FX_FLOAT)m_clipBox.Height() / (FX_FLOAT)size_y;
+ if (start_y < 0) {
+ m_clipBox.top -= (int32_t)FXSYS_ceil((FX_FLOAT)start_y * scaleY);
+ }
+ if (out_range_y > 0) {
+ m_clipBox.bottom -= (int32_t)FXSYS_floor((FX_FLOAT)out_range_y * scaleY);
+ }
+ }
+ if (m_clipBox.IsEmpty()) {
+ return FXCODEC_STATUS_ERR_PARAMS;
+ }
+ switch (m_imagType) {
+ case FXCODEC_IMAGE_JPG: {
+ ICodec_JpegModule* pJpegModule = m_pCodecMgr->GetJpegModule();
+ int down_scale = 1;
+ GetDownScale(down_scale);
+ FX_BOOL bStart = pJpegModule->StartScanline(m_pJpegContext, down_scale);
+ while (!bStart) {
+ FXCODEC_STATUS error_status = FXCODEC_STATUS_ERROR;
+ if (!JpegReadMoreData(pJpegModule, error_status)) {
+ m_pDeviceBitmap = NULL;
+ m_pFile = NULL;
+ return m_status = error_status;
+ }
+ bStart = pJpegModule->StartScanline(m_pJpegContext, down_scale);
+ }
+ int scanline_size = (m_SrcWidth + down_scale - 1) / down_scale;
+ scanline_size = (scanline_size * m_SrcComponents + 3) / 4 * 4;
+ if (m_pDecodeBuf != NULL) {
+ FX_Free(m_pDecodeBuf);
+ m_pDecodeBuf = NULL;
+ }
+ m_pDecodeBuf = FX_Alloc(uint8_t, scanline_size);
+ if (m_pDecodeBuf == NULL) {
+ m_pDeviceBitmap = NULL;
+ m_pFile = NULL;
+ return m_status = FXCODEC_STATUS_ERR_MEMORY;
+ }
+ FXSYS_memset(m_pDecodeBuf, 0, scanline_size);
+ m_WeightHorz.Calc(m_sizeX, 0, m_sizeX, m_clipBox.Width(), 0,
+ m_clipBox.Width(), m_bInterpol);
+ m_WeightVert.Calc(m_sizeY, m_clipBox.Height());
+ switch (m_SrcComponents) {
+ case 1:
+ m_SrcFormat = FXCodec_8bppGray;
+ break;
+ case 3:
+ m_SrcFormat = FXCodec_Rgb;
+ break;
+ case 4:
+ m_SrcFormat = FXCodec_Cmyk;
+ break;
+ }
+ GetTransMethod(pDIBitmap->GetFormat(), m_SrcFormat);
+ return m_status = FXCODEC_STATUS_DECODE_TOBECONTINUE;
+ } break;
+ case FXCODEC_IMAGE_PNG: {
+ ICodec_PngModule* pPngModule = m_pCodecMgr->GetPngModule();
+ if (pPngModule == NULL) {
+ m_pDeviceBitmap = NULL;
+ m_pFile = NULL;
+ return m_status = FXCODEC_STATUS_ERR_MEMORY;
+ }
+ if (m_pPngContext != NULL) {
+ pPngModule->Finish(m_pPngContext);
+ m_pPngContext = NULL;
+ }
+ m_pPngContext = pPngModule->Start((void*)this);
+ if (m_pPngContext == NULL) {
+ m_pDeviceBitmap = NULL;
+ m_pFile = NULL;
+ return m_status = FXCODEC_STATUS_ERR_MEMORY;
+ }
+ m_offSet = 0;
+ switch (m_pDeviceBitmap->GetFormat()) {
case FXDIB_8bppMask:
- case FXDIB_8bppRgb: {
- switch(src_format) {
- case FXCodec_1bppGray:
- m_TransMethod = 1;
- break;
- case FXCodec_8bppGray:
- m_TransMethod = 2;
- break;
- case FXCodec_1bppRgb:
- case FXCodec_8bppRgb:
- m_TransMethod = 3;
- break;
- case FXCodec_Rgb:
- case FXCodec_Rgb32:
- case FXCodec_Argb:
- m_TransMethod = 4;
- break;
- case FXCodec_Cmyk:
- m_TransMethod = 5;
- break;
- default:
- m_TransMethod = -1;
- }
- }
- break;
- case FXDIB_Rgb: {
- switch(src_format) {
- case FXCodec_1bppGray:
- m_TransMethod = 6;
- break;
- case FXCodec_8bppGray:
- m_TransMethod = 7;
- break;
- case FXCodec_1bppRgb:
- case FXCodec_8bppRgb:
- m_TransMethod = 8;
- break;
- case FXCodec_Rgb:
- case FXCodec_Rgb32:
- case FXCodec_Argb:
- m_TransMethod = 9;
- break;
- case FXCodec_Cmyk:
- m_TransMethod = 10;
- break;
- default:
- m_TransMethod = -1;
- }
- }
- break;
+ case FXDIB_8bppRgb:
+ m_SrcComponents = 1;
+ m_SrcFormat = FXCodec_8bppGray;
+ break;
+ case FXDIB_Rgb:
+ m_SrcComponents = 3;
+ m_SrcFormat = FXCodec_Rgb;
+ break;
case FXDIB_Rgb32:
- case FXDIB_Argb: {
- switch(src_format) {
- case FXCodec_1bppGray:
- m_TransMethod = 6;
- break;
- case FXCodec_8bppGray:
- m_TransMethod = 7;
- break;
- case FXCodec_1bppRgb:
- case FXCodec_8bppRgb:
- if(des_format == FXDIB_Argb) {
- m_TransMethod = 12;
- } else {
- m_TransMethod = 8;
- }
- break;
- case FXCodec_Rgb:
- case FXCodec_Rgb32:
- m_TransMethod = 9;
- break;
- case FXCodec_Cmyk:
- m_TransMethod = 10;
- break;
- case FXCodec_Argb:
- m_TransMethod = 11;
- break;
- default:
- m_TransMethod = -1;
- }
- }
- break;
- default:
- m_TransMethod = -1;
- }
-}
-void _RGB2BGR(uint8_t* buffer, int width = 1)
-{
- if (buffer && width > 0) {
- uint8_t temp;
- int i = 0;
- int j = 0;
- for (; i < width; i++, j += 3) {
- temp = buffer[j];
- buffer[j] = buffer[j + 2];
- buffer[j + 2] = temp;
+ case FXDIB_Argb:
+ m_SrcComponents = 4;
+ m_SrcFormat = FXCodec_Argb;
+ break;
+ default: {
+ m_pDeviceBitmap = NULL;
+ m_pFile = NULL;
+ return m_status = FXCODEC_STATUS_ERR_PARAMS;
}
- }
+ }
+ GetTransMethod(m_pDeviceBitmap->GetFormat(), m_SrcFormat);
+ int scanline_size = (m_SrcWidth * m_SrcComponents + 3) / 4 * 4;
+ if (m_pDecodeBuf != NULL) {
+ FX_Free(m_pDecodeBuf);
+ m_pDecodeBuf = NULL;
+ }
+ m_pDecodeBuf = FX_Alloc(uint8_t, scanline_size);
+ if (m_pDecodeBuf == NULL) {
+ m_pDeviceBitmap = NULL;
+ m_pFile = NULL;
+ return m_status = FXCODEC_STATUS_ERR_MEMORY;
+ }
+ FXSYS_memset(m_pDecodeBuf, 0, scanline_size);
+ m_WeightHorzOO.Calc(m_sizeX, m_clipBox.Width(), m_bInterpol);
+ m_WeightVert.Calc(m_sizeY, m_clipBox.Height());
+ return m_status = FXCODEC_STATUS_DECODE_TOBECONTINUE;
+ } break;
+ case FXCODEC_IMAGE_GIF: {
+ ICodec_GifModule* pGifModule = m_pCodecMgr->GetGifModule();
+ if (pGifModule == NULL) {
+ m_pDeviceBitmap = NULL;
+ m_pFile = NULL;
+ return m_status = FXCODEC_STATUS_ERR_MEMORY;
+ }
+ m_SrcFormat = FXCodec_8bppRgb;
+ GetTransMethod(m_pDeviceBitmap->GetFormat(), m_SrcFormat);
+ int scanline_size = (m_SrcWidth + 3) / 4 * 4;
+ if (m_pDecodeBuf != NULL) {
+ FX_Free(m_pDecodeBuf);
+ m_pDecodeBuf = NULL;
+ }
+ m_pDecodeBuf = FX_Alloc(uint8_t, scanline_size);
+ if (m_pDecodeBuf == NULL) {
+ m_pDeviceBitmap = NULL;
+ m_pFile = NULL;
+ return m_status = FXCODEC_STATUS_ERR_MEMORY;
+ }
+ FXSYS_memset(m_pDecodeBuf, 0, scanline_size);
+ m_WeightHorz.Calc(m_sizeX, 0, m_sizeX, m_clipBox.Width(), 0,
+ m_clipBox.Width(), m_bInterpol);
+ m_WeightVert.Calc(m_sizeY, m_clipBox.Height());
+ m_FrameCur = frames;
+ return m_status = FXCODEC_STATUS_DECODE_TOBECONTINUE;
+ } break;
+ case FXCODEC_IMAGE_BMP: {
+ ICodec_BmpModule* pBmpModule = m_pCodecMgr->GetBmpModule();
+ if (pBmpModule == NULL) {
+ m_pDeviceBitmap = NULL;
+ m_pFile = NULL;
+ return m_status = FXCODEC_STATUS_ERR_MEMORY;
+ }
+ switch (m_SrcComponents) {
+ case 1:
+ m_SrcFormat = FXCodec_8bppRgb;
+ break;
+ case 3:
+ m_SrcFormat = FXCodec_Rgb;
+ break;
+ case 4:
+ m_SrcFormat = FXCodec_Rgb32;
+ break;
+ }
+ GetTransMethod(m_pDeviceBitmap->GetFormat(), m_SrcFormat);
+ m_ScanlineSize = (m_SrcWidth * m_SrcComponents + 3) / 4 * 4;
+ if (m_pDecodeBuf != NULL) {
+ FX_Free(m_pDecodeBuf);
+ m_pDecodeBuf = NULL;
+ }
+ m_pDecodeBuf = FX_Alloc(uint8_t, m_ScanlineSize);
+ if (m_pDecodeBuf == NULL) {
+ m_pDeviceBitmap = NULL;
+ m_pFile = NULL;
+ return m_status = FXCODEC_STATUS_ERR_MEMORY;
+ }
+ FXSYS_memset(m_pDecodeBuf, 0, m_ScanlineSize);
+ m_WeightHorz.Calc(m_sizeX, 0, m_sizeX, m_clipBox.Width(), 0,
+ m_clipBox.Width(), m_bInterpol);
+ m_WeightVert.Calc(m_sizeY, m_clipBox.Height());
+ return m_status = FXCODEC_STATUS_DECODE_TOBECONTINUE;
+ } break;
+ case FXCODEC_IMAGE_TIF:
+ return m_status = FXCODEC_STATUS_DECODE_TOBECONTINUE;
+ default:
+ break;
+ }
+ return FXCODEC_STATUS_ERROR;
}
-void CCodec_ProgressiveDecoder::ReSampleScanline(CFX_DIBitmap* pDeviceBitmap, int des_line, uint8_t* src_scan, FXCodec_Format src_format)
-{
- int src_left = m_clipBox.left;
- int des_left = m_startX;
- uint8_t* des_scan = pDeviceBitmap->GetBuffer() + des_line * pDeviceBitmap->GetPitch();
- int src_bpp = src_format & 0xff;
- int des_bpp = pDeviceBitmap->GetBPP();
- int src_Bpp = src_bpp >> 3;
- int des_Bpp = des_bpp >> 3;
- src_scan += src_left * src_Bpp;
- des_scan += des_left * des_Bpp;
- for (int des_col = 0; des_col < m_sizeX; des_col++) {
- PixelWeight* pPixelWeights = m_WeightHorz.GetPixelWeight(des_col);
- switch(m_TransMethod) {
- case -1:
- return;
- case 0:
- return;
- case 1:
- return;
- case 2: {
- FX_DWORD des_g = 0;
- for (int j = pPixelWeights->m_SrcStart; j <= pPixelWeights->m_SrcEnd; j++) {
- int pixel_weight = pPixelWeights->m_Weights[j - pPixelWeights->m_SrcStart];
- des_g += pixel_weight * src_scan[j];
- }
- *des_scan++ = (uint8_t)(des_g >> 16);
- }
- break;
- case 3: {
- int des_r = 0, des_g = 0, des_b = 0;
- for (int j = pPixelWeights->m_SrcStart; j <= pPixelWeights->m_SrcEnd; j ++) {
- int pixel_weight = pPixelWeights->m_Weights[j - pPixelWeights->m_SrcStart];
- unsigned long argb = m_pSrcPalette[src_scan[j]];
- des_r += pixel_weight * (uint8_t)(argb >> 16);
- des_g += pixel_weight * (uint8_t)(argb >> 8);
- des_b += pixel_weight * (uint8_t)argb;
- }
- *des_scan++ = (uint8_t)FXRGB2GRAY((des_r >> 16), (des_g >> 16), (des_b >> 16));
- }
- break;
- case 4: {
- FX_DWORD des_b = 0, des_g = 0, des_r = 0;
- for (int j = pPixelWeights->m_SrcStart; j <= pPixelWeights->m_SrcEnd; j++) {
- int pixel_weight = pPixelWeights->m_Weights[j - pPixelWeights->m_SrcStart];
- const uint8_t* src_pixel = src_scan + j * src_Bpp;
- des_b += pixel_weight * (*src_pixel++);
- des_g += pixel_weight * (*src_pixel++);
- des_r += pixel_weight * (*src_pixel);
- }
- *des_scan++ = (uint8_t)FXRGB2GRAY((des_r >> 16), (des_g >> 16), (des_b >> 16));
- }
- break;
- case 5: {
- FX_DWORD des_b = 0, des_g = 0, des_r = 0;
- for (int j = pPixelWeights->m_SrcStart; j <= pPixelWeights->m_SrcEnd; j++) {
- int pixel_weight = pPixelWeights->m_Weights[j - pPixelWeights->m_SrcStart];
- const uint8_t* src_pixel = src_scan + j * src_Bpp;
- uint8_t src_b = 0, src_g = 0, src_r = 0;
- AdobeCMYK_to_sRGB1(255 - src_pixel[0], 255 - src_pixel[1], 255 - src_pixel[2], 255 - src_pixel[3],
- src_r, src_g, src_b);
- des_b += pixel_weight * src_b;
- des_g += pixel_weight * src_g;
- des_r += pixel_weight * src_r;
- }
- *des_scan++ = (uint8_t)FXRGB2GRAY((des_r >> 16), (des_g >> 16), (des_b >> 16));
- }
- break;
- case 6:
- return;
- case 7: {
- FX_DWORD des_g = 0;
- for (int j = pPixelWeights->m_SrcStart; j <= pPixelWeights->m_SrcEnd; j++) {
- int pixel_weight = pPixelWeights->m_Weights[j - pPixelWeights->m_SrcStart];
- des_g += pixel_weight * src_scan[j];
- }
- FXSYS_memset(des_scan, (uint8_t)(des_g >> 16), 3);
- des_scan += des_Bpp;
- }
- break;
- case 8: {
- int des_r = 0, des_g = 0, des_b = 0;
- for (int j = pPixelWeights->m_SrcStart; j <= pPixelWeights->m_SrcEnd; j ++) {
- int pixel_weight = pPixelWeights->m_Weights[j - pPixelWeights->m_SrcStart];
- unsigned long argb = m_pSrcPalette[src_scan[j]];
- des_r += pixel_weight * (uint8_t)(argb >> 16);
- des_g += pixel_weight * (uint8_t)(argb >> 8);
- des_b += pixel_weight * (uint8_t)argb;
- }
- *des_scan++ = (uint8_t)((des_b) >> 16);
- *des_scan++ = (uint8_t)((des_g) >> 16);
- *des_scan++ = (uint8_t)((des_r) >> 16);
- des_scan += des_Bpp - 3;
- }
- break;
- case 12: {
- if (m_pBmpContext) {
- int des_r = 0, des_g = 0, des_b = 0;
- for (int j = pPixelWeights->m_SrcStart; j <= pPixelWeights->m_SrcEnd; j ++) {
- int pixel_weight = pPixelWeights->m_Weights[j - pPixelWeights->m_SrcStart];
- unsigned long argb = m_pSrcPalette[src_scan[j]];
- des_r += pixel_weight * (uint8_t)(argb >> 16);
- des_g += pixel_weight * (uint8_t)(argb >> 8);
- des_b += pixel_weight * (uint8_t)argb;
- }
- *des_scan++ = (uint8_t)((des_b) >> 16);
- *des_scan++ = (uint8_t)((des_g) >> 16);
- *des_scan++ = (uint8_t)((des_r) >> 16);
- *des_scan++ = 0xFF;
- } else {
- int des_a = 0, des_r = 0, des_g = 0, des_b = 0;
- for (int j = pPixelWeights->m_SrcStart; j <= pPixelWeights->m_SrcEnd; j ++) {
- int pixel_weight = pPixelWeights->m_Weights[j - pPixelWeights->m_SrcStart];
- unsigned long argb = m_pSrcPalette[src_scan[j]];
- des_a += pixel_weight * (uint8_t)(argb >> 24);
- des_r += pixel_weight * (uint8_t)(argb >> 16);
- des_g += pixel_weight * (uint8_t)(argb >> 8);
- des_b += pixel_weight * (uint8_t)argb;
- }
- *des_scan++ = (uint8_t)((des_b) >> 16);
- *des_scan++ = (uint8_t)((des_g) >> 16);
- *des_scan++ = (uint8_t)((des_r) >> 16);
- *des_scan++ = (uint8_t)((des_a) >> 16);
- }
- }
- break;
- case 9: {
- FX_DWORD des_b = 0, des_g = 0, des_r = 0;
- for (int j = pPixelWeights->m_SrcStart; j <= pPixelWeights->m_SrcEnd; j++) {
- int pixel_weight = pPixelWeights->m_Weights[j - pPixelWeights->m_SrcStart];
- const uint8_t* src_pixel = src_scan + j * src_Bpp;
- des_b += pixel_weight * (*src_pixel++);
- des_g += pixel_weight * (*src_pixel++);
- des_r += pixel_weight * (*src_pixel);
- }
- *des_scan++ = (uint8_t)((des_b) >> 16);
- *des_scan++ = (uint8_t)((des_g) >> 16);
- *des_scan++ = (uint8_t)((des_r) >> 16);
- des_scan += des_Bpp - 3;
- }
- break;
- case 10: {
- FX_DWORD des_b = 0, des_g = 0, des_r = 0;
- for (int j = pPixelWeights->m_SrcStart; j <= pPixelWeights->m_SrcEnd; j++) {
- int pixel_weight = pPixelWeights->m_Weights[j - pPixelWeights->m_SrcStart];
- const uint8_t* src_pixel = src_scan + j * src_Bpp;
- uint8_t src_b = 0, src_g = 0, src_r = 0;
- AdobeCMYK_to_sRGB1(255 - src_pixel[0], 255 - src_pixel[1], 255 - src_pixel[2], 255 - src_pixel[3],
- src_r, src_g, src_b);
- des_b += pixel_weight * src_b;
- des_g += pixel_weight * src_g;
- des_r += pixel_weight * src_r;
- }
- *des_scan++ = (uint8_t)((des_b) >> 16);
- *des_scan++ = (uint8_t)((des_g) >> 16);
- *des_scan++ = (uint8_t)((des_r) >> 16);
- des_scan += des_Bpp - 3;
- }
- break;
- case 11: {
- FX_DWORD des_alpha = 0, des_r = 0, des_g = 0, des_b = 0;
- for (int j = pPixelWeights->m_SrcStart; j <= pPixelWeights->m_SrcEnd; j ++) {
- int pixel_weight = pPixelWeights->m_Weights[j - pPixelWeights->m_SrcStart];
- const uint8_t* src_pixel = src_scan + j * src_Bpp;
- pixel_weight = pixel_weight * src_pixel[3] / 255;
- des_b += pixel_weight * (*src_pixel++);
- des_g += pixel_weight * (*src_pixel++);
- des_r += pixel_weight * (*src_pixel);
- des_alpha += pixel_weight;
- }
- *des_scan++ = (uint8_t)((des_b) >> 16);
- *des_scan++ = (uint8_t)((des_g) >> 16);
- *des_scan++ = (uint8_t)((des_r) >> 16);
- *des_scan++ = (uint8_t)((des_alpha * 255) >> 16);
- }
- break;
- default:
- return;
+FXCODEC_STATUS CCodec_ProgressiveDecoder::ContinueDecode(IFX_Pause* pPause) {
+ if (m_status != FXCODEC_STATUS_DECODE_TOBECONTINUE) {
+ return FXCODEC_STATUS_ERROR;
+ }
+ switch (m_imagType) {
+ case FXCODEC_IMAGE_JPG: {
+ ICodec_JpegModule* pJpegModule = m_pCodecMgr->GetJpegModule();
+ while (TRUE) {
+ FX_BOOL readRes =
+ pJpegModule->ReadScanline(m_pJpegContext, m_pDecodeBuf);
+ while (!readRes) {
+ FXCODEC_STATUS error_status = FXCODEC_STATUS_DECODE_FINISH;
+ if (!JpegReadMoreData(pJpegModule, error_status)) {
+ m_pDeviceBitmap = NULL;
+ m_pFile = NULL;
+ return m_status = error_status;
+ }
+ readRes = pJpegModule->ReadScanline(m_pJpegContext, m_pDecodeBuf);
}
- }
-}
-void CCodec_ProgressiveDecoder::ResampleVert(CFX_DIBitmap* pDeviceBitmap, double scale_y, int des_row)
-{
- int des_Bpp = pDeviceBitmap->GetBPP() >> 3;
- FX_DWORD des_ScanOffet = m_startX * des_Bpp;
- if(m_bInterpol) {
- int des_top = m_startY;
- int des_row_1 = des_row - int(scale_y);
- if(des_row_1 < des_top) {
- int des_bottom = des_top + m_sizeY;
- if(des_row + (int)scale_y >= des_bottom - 1) {
- uint8_t* scan_src = (uint8_t*)pDeviceBitmap->GetScanline(des_row) + des_ScanOffet;
- while (++des_row < des_bottom) {
- uint8_t* scan_des = (uint8_t*)pDeviceBitmap->GetScanline(des_row) + des_ScanOffet;
- FX_DWORD size = m_sizeX * des_Bpp;
- FXSYS_memcpy(scan_des, scan_src, size);
- }
- }
- return;
+ if (m_SrcFormat == FXCodec_Rgb) {
+ int src_Bpp = (m_SrcFormat & 0xff) >> 3;
+ _RGB2BGR(m_pDecodeBuf + m_clipBox.left * src_Bpp, m_clipBox.Width());
}
- for (; des_row_1 < des_row; des_row_1++) {
- uint8_t* scan_des = (uint8_t*)pDeviceBitmap->GetScanline(des_row_1) + des_ScanOffet;
- PixelWeight* pWeight = m_WeightVert.GetPixelWeight(des_row_1 - des_top);
- const uint8_t* scan_src1 = pDeviceBitmap->GetScanline(pWeight->m_SrcStart + des_top) + des_ScanOffet;
- const uint8_t* scan_src2 = pDeviceBitmap->GetScanline(pWeight->m_SrcEnd + des_top) + des_ScanOffet;
- for (int des_col = 0; des_col < m_sizeX; des_col++) {
- switch(pDeviceBitmap->GetFormat()) {
- case FXDIB_Invalid:
- case FXDIB_1bppMask:
- case FXDIB_1bppRgb:
- return;
- case FXDIB_8bppMask:
- case FXDIB_8bppRgb: {
- if(pDeviceBitmap->GetPalette() != NULL) {
- return;
- }
- int des_g = 0;
- des_g += pWeight->m_Weights[0] * (*scan_src1++);
- des_g += pWeight->m_Weights[1] * (*scan_src2++);
- *scan_des++ = (uint8_t)(des_g >> 16);
- }
- break;
- case FXDIB_Rgb:
- case FXDIB_Rgb32: {
- FX_DWORD des_b = 0, des_g = 0, des_r = 0;
- des_b += pWeight->m_Weights[0] * (*scan_src1++);
- des_g += pWeight->m_Weights[0] * (*scan_src1++);
- des_r += pWeight->m_Weights[0] * (*scan_src1++);
- scan_src1 += des_Bpp - 3;
- des_b += pWeight->m_Weights[1] * (*scan_src2++);
- des_g += pWeight->m_Weights[1] * (*scan_src2++);
- des_r += pWeight->m_Weights[1] * (*scan_src2++);
- scan_src2 += des_Bpp - 3;
- *scan_des++ = (uint8_t)((des_b) >> 16);
- *scan_des++ = (uint8_t)((des_g) >> 16);
- *scan_des++ = (uint8_t)((des_r) >> 16);
- scan_des += des_Bpp - 3;
- }
- break;
- case FXDIB_Argb: {
- FX_DWORD des_a = 0, des_b = 0, des_g = 0, des_r = 0;
- des_b += pWeight->m_Weights[0] * (*scan_src1++);
- des_g += pWeight->m_Weights[0] * (*scan_src1++);
- des_r += pWeight->m_Weights[0] * (*scan_src1++);
- des_a += pWeight->m_Weights[0] * (*scan_src1++);
- des_b += pWeight->m_Weights[1] * (*scan_src2++);
- des_g += pWeight->m_Weights[1] * (*scan_src2++);
- des_r += pWeight->m_Weights[1] * (*scan_src2++);
- des_a += pWeight->m_Weights[1] * (*scan_src2++);
- *scan_des++ = (uint8_t)((des_b) >> 16);
- *scan_des++ = (uint8_t)((des_g) >> 16);
- *scan_des++ = (uint8_t)((des_r) >> 16);
- *scan_des++ = (uint8_t)((des_a) >> 16);
- }
- break;
- default:
- return;
- }
- }
+ if (m_SrcRow >= m_clipBox.bottom) {
+ m_pDeviceBitmap = NULL;
+ m_pFile = NULL;
+ return m_status = FXCODEC_STATUS_DECODE_FINISH;
}
- int des_bottom = des_top + m_sizeY;
- if(des_row + (int)scale_y >= des_bottom - 1) {
- uint8_t* scan_src = (uint8_t*)pDeviceBitmap->GetScanline(des_row) + des_ScanOffet;
- while (++des_row < des_bottom) {
- uint8_t* scan_des = (uint8_t*)pDeviceBitmap->GetScanline(des_row) + des_ScanOffet;
- FX_DWORD size = m_sizeX * des_Bpp;
- FXSYS_memcpy(scan_des, scan_src, size);
- }
+ Resample(m_pDeviceBitmap, m_SrcRow, m_pDecodeBuf, m_SrcFormat);
+ m_SrcRow++;
+ if (pPause && pPause->NeedToPauseNow()) {
+ return m_status = FXCODEC_STATUS_DECODE_TOBECONTINUE;
}
- return;
- }
- int multiple = (int)FXSYS_ceil((FX_FLOAT)scale_y - 1);
- if(multiple > 0) {
- uint8_t* scan_src = (uint8_t*)pDeviceBitmap->GetScanline(des_row) + des_ScanOffet;
- for (int i = 1; i <= multiple; i++) {
- if(des_row + i >= m_startY + m_sizeY) {
- return;
- }
- uint8_t* scan_des = (uint8_t*)pDeviceBitmap->GetScanline(des_row + i) + des_ScanOffet;
- FX_DWORD size = m_sizeX * des_Bpp;
- FXSYS_memcpy(scan_des, scan_src, size);
+ }
+ } break;
+ case FXCODEC_IMAGE_PNG: {
+ ICodec_PngModule* pPngModule = m_pCodecMgr->GetPngModule();
+ while (TRUE) {
+ FX_DWORD remain_size = (FX_DWORD)m_pFile->GetSize() - m_offSet;
+ FX_DWORD input_size =
+ remain_size > FXCODEC_BLOCK_SIZE ? FXCODEC_BLOCK_SIZE : remain_size;
+ if (input_size == 0) {
+ if (m_pPngContext != NULL) {
+ pPngModule->Finish(m_pPngContext);
+ }
+ m_pPngContext = NULL;
+ m_pDeviceBitmap = NULL;
+ m_pFile = NULL;
+ return m_status = FXCODEC_STATUS_DECODE_FINISH;
}
- }
-}
-void CCodec_ProgressiveDecoder::Resample(CFX_DIBitmap* pDeviceBitmap, int32_t src_line, uint8_t* src_scan, FXCodec_Format src_format)
-{
- int src_top = m_clipBox.top;
- int des_top = m_startY;
- int src_hei = m_clipBox.Height();
- int des_hei = m_sizeY;
- if(src_line >= src_top) {
- double scale_y = (double)des_hei / (double)src_hei;
- int src_row = src_line - src_top;
- int des_row = (int)(src_row * scale_y) + des_top;
- if(des_row >= des_top + des_hei) {
- return;
+ if (m_pSrcBuf != NULL && input_size > m_SrcSize) {
+ FX_Free(m_pSrcBuf);
+ m_pSrcBuf = FX_Alloc(uint8_t, input_size);
+ if (m_pSrcBuf == NULL) {
+ m_pDeviceBitmap = NULL;
+ m_pFile = NULL;
+ return m_status = FXCODEC_STATUS_ERR_MEMORY;
+ }
+ FXSYS_memset(m_pSrcBuf, 0, input_size);
+ m_SrcSize = input_size;
}
- ReSampleScanline(pDeviceBitmap, des_row, m_pDecodeBuf, src_format);
- if(scale_y > 1.0) {
- ResampleVert(pDeviceBitmap, scale_y, des_row);
+ FX_BOOL bResult = m_pFile->ReadBlock(m_pSrcBuf, m_offSet, input_size);
+ if (!bResult) {
+ m_pDeviceBitmap = NULL;
+ m_pFile = NULL;
+ return m_status = FXCODEC_STATUS_ERR_READ;
}
- }
-}
-FXCODEC_STATUS CCodec_ProgressiveDecoder::GetFrames(int32_t& frames, IFX_Pause* pPause)
-{
- if(!(m_status == FXCODEC_STATUS_FRAME_READY || m_status == FXCODEC_STATUS_FRAME_TOBECONTINUE)) {
- return FXCODEC_STATUS_ERROR;
- }
- switch(m_imagType) {
- case FXCODEC_IMAGE_BMP:
- case FXCODEC_IMAGE_JPG:
- case FXCODEC_IMAGE_PNG:
- case FXCODEC_IMAGE_TIF:
- frames = m_FrameNumber = 1;
- return m_status = FXCODEC_STATUS_DECODE_READY;
- case FXCODEC_IMAGE_GIF: {
- ICodec_GifModule* pGifModule = m_pCodecMgr->GetGifModule();
- while (TRUE) {
- int32_t readResult = pGifModule->LoadFrameInfo(m_pGifContext, &m_FrameNumber);
- while(readResult == 2) {
- FXCODEC_STATUS error_status = FXCODEC_STATUS_ERR_READ;
- if(!GifReadMoreData(pGifModule, error_status)) {
- return error_status;
- }
- if(pPause && pPause->NeedToPauseNow()) {
- return m_status = FXCODEC_STATUS_FRAME_TOBECONTINUE;
- }
- readResult = pGifModule->LoadFrameInfo(m_pGifContext, &m_FrameNumber);
- }
- if(readResult == 1) {
- frames = m_FrameNumber;
- return m_status = FXCODEC_STATUS_DECODE_READY;
- }
- if(m_pGifContext != NULL) {
- pGifModule->Finish(m_pGifContext);
- m_pGifContext = NULL;
- }
- return m_status = FXCODEC_STATUS_ERROR;
- }
- }
- break;
- default:
- ;
- }
- return FXCODEC_STATUS_ERROR;
-}
-FXCODEC_STATUS CCodec_ProgressiveDecoder::StartDecode(CFX_DIBitmap* pDIBitmap,
- int start_x, int start_y, int size_x, int size_y,
- int32_t frames, FX_BOOL bInterpol)
-{
- if(m_status != FXCODEC_STATUS_DECODE_READY) {
- return FXCODEC_STATUS_ERROR;
- }
- if(pDIBitmap == NULL || pDIBitmap->GetBPP() < 8 ||
- frames < 0 || frames >= m_FrameNumber) {
- return FXCODEC_STATUS_ERR_PARAMS;
- }
- m_pDeviceBitmap = pDIBitmap;
- if(m_clipBox.IsEmpty()) {
- return FXCODEC_STATUS_ERR_PARAMS;
- }
- if(size_x <= 0 || size_x > 65535 || size_y <= 0 || size_y > 65535) {
- return FXCODEC_STATUS_ERR_PARAMS;
- }
- FX_RECT device_rc = FX_RECT(start_x, start_y, start_x + size_x, start_y + size_y);
- int32_t out_range_x = device_rc.right - pDIBitmap->GetWidth();
- int32_t out_range_y = device_rc.bottom - pDIBitmap->GetHeight();
- device_rc.Intersect(FX_RECT(0, 0, pDIBitmap->GetWidth(), pDIBitmap->GetHeight()));
- if(device_rc.IsEmpty()) {
- return FXCODEC_STATUS_ERR_PARAMS;
- }
- m_startX = device_rc.left;
- m_startY = device_rc.top;
- m_sizeX = device_rc.Width();
- m_sizeY = device_rc.Height();
- m_bInterpol = bInterpol;
- m_FrameCur = 0;
- if(start_x < 0 || out_range_x > 0) {
- FX_FLOAT scaleX = (FX_FLOAT)m_clipBox.Width() / (FX_FLOAT)size_x;
- if(start_x < 0) {
- m_clipBox.left -= (int32_t)FXSYS_ceil((FX_FLOAT)start_x * scaleX);
+ m_offSet += input_size;
+ bResult = pPngModule->Input(m_pPngContext, m_pSrcBuf, input_size);
+ if (!bResult) {
+ m_pDeviceBitmap = NULL;
+ m_pFile = NULL;
+ return m_status = FXCODEC_STATUS_ERROR;
}
- if(out_range_x > 0) {
- m_clipBox.right -= (int32_t)FXSYS_floor((FX_FLOAT)out_range_x * scaleX);
+ if (pPause && pPause->NeedToPauseNow()) {
+ return m_status = FXCODEC_STATUS_DECODE_TOBECONTINUE;
}
- }
- if(start_y < 0 || out_range_y > 0) {
- FX_FLOAT scaleY = (FX_FLOAT)m_clipBox.Height() / (FX_FLOAT)size_y;
- if(start_y < 0) {
- m_clipBox.top -= (int32_t)FXSYS_ceil((FX_FLOAT)start_y * scaleY);
+ }
+ } break;
+ case FXCODEC_IMAGE_GIF: {
+ ICodec_GifModule* pGifModule = m_pCodecMgr->GetGifModule();
+ while (TRUE) {
+ int32_t readRes = pGifModule->LoadFrame(m_pGifContext, m_FrameCur);
+ while (readRes == 2) {
+ FXCODEC_STATUS error_status = FXCODEC_STATUS_DECODE_FINISH;
+ if (!GifReadMoreData(pGifModule, error_status)) {
+ m_pDeviceBitmap = NULL;
+ m_pFile = NULL;
+ return m_status = error_status;
+ }
+ if (pPause && pPause->NeedToPauseNow()) {
+ return m_status = FXCODEC_STATUS_DECODE_TOBECONTINUE;
+ }
+ readRes = pGifModule->LoadFrame(m_pGifContext, m_FrameCur);
}
- if(out_range_y > 0) {
- m_clipBox.bottom -= (int32_t)FXSYS_floor((FX_FLOAT)out_range_y * scaleY);
+ if (readRes == 1) {
+ m_pDeviceBitmap = NULL;
+ m_pFile = NULL;
+ return m_status = FXCODEC_STATUS_DECODE_FINISH;
}
- }
- if(m_clipBox.IsEmpty()) {
- return FXCODEC_STATUS_ERR_PARAMS;
- }
- switch(m_imagType) {
- case FXCODEC_IMAGE_JPG: {
- ICodec_JpegModule* pJpegModule = m_pCodecMgr->GetJpegModule();
- int down_scale = 1;
- GetDownScale(down_scale);
- FX_BOOL bStart = pJpegModule->StartScanline(m_pJpegContext, down_scale);
- while(!bStart) {
- FXCODEC_STATUS error_status = FXCODEC_STATUS_ERROR;
- if(!JpegReadMoreData(pJpegModule, error_status)) {
- m_pDeviceBitmap = NULL;
- m_pFile = NULL;
- return m_status = error_status;
- }
- bStart = pJpegModule->StartScanline(m_pJpegContext, down_scale);
- }
- int scanline_size = ( m_SrcWidth + down_scale - 1) / down_scale;
- scanline_size = (scanline_size * m_SrcComponents + 3) / 4 * 4;
- if(m_pDecodeBuf != NULL) {
- FX_Free(m_pDecodeBuf);
- m_pDecodeBuf = NULL;
- }
- m_pDecodeBuf = FX_Alloc(uint8_t, scanline_size);
- if(m_pDecodeBuf == NULL) {
- m_pDeviceBitmap = NULL;
- m_pFile = NULL;
- return m_status = FXCODEC_STATUS_ERR_MEMORY;
- }
- FXSYS_memset(m_pDecodeBuf, 0, scanline_size);
- m_WeightHorz.Calc(m_sizeX, 0, m_sizeX, m_clipBox.Width(), 0, m_clipBox.Width(), m_bInterpol);
- m_WeightVert.Calc(m_sizeY, m_clipBox.Height());
- switch(m_SrcComponents) {
- case 1:
- m_SrcFormat = FXCodec_8bppGray;
- break;
- case 3:
- m_SrcFormat = FXCodec_Rgb;
- break;
- case 4:
- m_SrcFormat = FXCodec_Cmyk;
- break;
- }
- GetTransMethod(pDIBitmap->GetFormat(), m_SrcFormat);
- return m_status = FXCODEC_STATUS_DECODE_TOBECONTINUE;
- }
- break;
- case FXCODEC_IMAGE_PNG: {
- ICodec_PngModule* pPngModule = m_pCodecMgr->GetPngModule();
- if(pPngModule == NULL) {
- m_pDeviceBitmap = NULL;
- m_pFile = NULL;
- return m_status = FXCODEC_STATUS_ERR_MEMORY;
- }
- if(m_pPngContext != NULL) {
- pPngModule->Finish(m_pPngContext);
- m_pPngContext = NULL;
- }
- m_pPngContext = pPngModule->Start((void*)this);
- if(m_pPngContext == NULL) {
- m_pDeviceBitmap = NULL;
- m_pFile = NULL;
- return m_status = FXCODEC_STATUS_ERR_MEMORY;
- }
- m_offSet = 0;
- switch(m_pDeviceBitmap->GetFormat()) {
- case FXDIB_8bppMask:
- case FXDIB_8bppRgb:
- m_SrcComponents = 1;
- m_SrcFormat = FXCodec_8bppGray;
- break;
- case FXDIB_Rgb:
- m_SrcComponents = 3;
- m_SrcFormat = FXCodec_Rgb;
- break;
- case FXDIB_Rgb32:
- case FXDIB_Argb:
- m_SrcComponents = 4;
- m_SrcFormat = FXCodec_Argb;
- break;
- default: {
- m_pDeviceBitmap = NULL;
- m_pFile = NULL;
- return m_status = FXCODEC_STATUS_ERR_PARAMS;
- }
- }
- GetTransMethod(m_pDeviceBitmap->GetFormat(), m_SrcFormat);
- int scanline_size = (m_SrcWidth * m_SrcComponents + 3) / 4 * 4;
- if(m_pDecodeBuf != NULL) {
- FX_Free(m_pDecodeBuf);
- m_pDecodeBuf = NULL;
- }
- m_pDecodeBuf = FX_Alloc(uint8_t, scanline_size);
- if(m_pDecodeBuf == NULL) {
- m_pDeviceBitmap = NULL;
- m_pFile = NULL;
- return m_status = FXCODEC_STATUS_ERR_MEMORY;
- }
- FXSYS_memset(m_pDecodeBuf, 0, scanline_size);
- m_WeightHorzOO.Calc(m_sizeX, m_clipBox.Width(), m_bInterpol);
- m_WeightVert.Calc(m_sizeY, m_clipBox.Height());
- return m_status = FXCODEC_STATUS_DECODE_TOBECONTINUE;
- }
- break;
- case FXCODEC_IMAGE_GIF: {
- ICodec_GifModule* pGifModule = m_pCodecMgr->GetGifModule();
- if(pGifModule == NULL) {
- m_pDeviceBitmap = NULL;
- m_pFile = NULL;
- return m_status = FXCODEC_STATUS_ERR_MEMORY;
- }
- m_SrcFormat = FXCodec_8bppRgb;
- GetTransMethod(m_pDeviceBitmap->GetFormat(), m_SrcFormat);
- int scanline_size = (m_SrcWidth + 3) / 4 * 4;
- if(m_pDecodeBuf != NULL) {
- FX_Free(m_pDecodeBuf);
- m_pDecodeBuf = NULL;
- }
- m_pDecodeBuf = FX_Alloc(uint8_t, scanline_size);
- if(m_pDecodeBuf == NULL) {
- m_pDeviceBitmap = NULL;
- m_pFile = NULL;
- return m_status = FXCODEC_STATUS_ERR_MEMORY;
- }
- FXSYS_memset(m_pDecodeBuf, 0, scanline_size);
- m_WeightHorz.Calc(m_sizeX, 0, m_sizeX, m_clipBox.Width(), 0, m_clipBox.Width(), m_bInterpol);
- m_WeightVert.Calc(m_sizeY, m_clipBox.Height());
- m_FrameCur = frames;
- return m_status = FXCODEC_STATUS_DECODE_TOBECONTINUE;
- }
- break;
- case FXCODEC_IMAGE_BMP: {
- ICodec_BmpModule* pBmpModule = m_pCodecMgr->GetBmpModule();
- if(pBmpModule == NULL) {
- m_pDeviceBitmap = NULL;
- m_pFile = NULL;
- return m_status = FXCODEC_STATUS_ERR_MEMORY;
- }
- switch(m_SrcComponents) {
- case 1:
- m_SrcFormat = FXCodec_8bppRgb;
- break;
- case 3:
- m_SrcFormat = FXCodec_Rgb;
- break;
- case 4:
- m_SrcFormat = FXCodec_Rgb32;
- break;
- }
- GetTransMethod(m_pDeviceBitmap->GetFormat(), m_SrcFormat);
- m_ScanlineSize = (m_SrcWidth * m_SrcComponents + 3) / 4 * 4;
- if(m_pDecodeBuf != NULL) {
- FX_Free(m_pDecodeBuf);
- m_pDecodeBuf = NULL;
- }
- m_pDecodeBuf = FX_Alloc(uint8_t, m_ScanlineSize);
- if(m_pDecodeBuf == NULL) {
- m_pDeviceBitmap = NULL;
- m_pFile = NULL;
- return m_status = FXCODEC_STATUS_ERR_MEMORY;
- }
- FXSYS_memset(m_pDecodeBuf, 0, m_ScanlineSize);
- m_WeightHorz.Calc(m_sizeX, 0, m_sizeX, m_clipBox.Width(), 0, m_clipBox.Width(), m_bInterpol);
- m_WeightVert.Calc(m_sizeY, m_clipBox.Height());
- return m_status = FXCODEC_STATUS_DECODE_TOBECONTINUE;
- }
- break;
- case FXCODEC_IMAGE_TIF:
+ m_pDeviceBitmap = NULL;
+ m_pFile = NULL;
+ return m_status = FXCODEC_STATUS_ERROR;
+ }
+ } break;
+ case FXCODEC_IMAGE_BMP: {
+ ICodec_BmpModule* pBmpModule = m_pCodecMgr->GetBmpModule();
+ while (TRUE) {
+ int32_t readRes = pBmpModule->LoadImage(m_pBmpContext);
+ while (readRes == 2) {
+ FXCODEC_STATUS error_status = FXCODEC_STATUS_DECODE_FINISH;
+ if (!BmpReadMoreData(pBmpModule, error_status)) {
+ m_pDeviceBitmap = NULL;
+ m_pFile = NULL;
+ return m_status = error_status;
+ }
+ if (pPause && pPause->NeedToPauseNow()) {
return m_status = FXCODEC_STATUS_DECODE_TOBECONTINUE;
- default:
+ }
+ readRes = pBmpModule->LoadImage(m_pBmpContext);
+ }
+ if (readRes == 1) {
+ m_pDeviceBitmap = NULL;
+ m_pFile = NULL;
+ return m_status = FXCODEC_STATUS_DECODE_FINISH;
+ }
+ m_pDeviceBitmap = NULL;
+ m_pFile = NULL;
+ return m_status = FXCODEC_STATUS_ERROR;
+ }
+ } break;
+ case FXCODEC_IMAGE_TIF: {
+ ICodec_TiffModule* pTiffModule = m_pCodecMgr->GetTiffModule();
+ FX_BOOL ret = FALSE;
+ if (m_pDeviceBitmap->GetBPP() == 32 &&
+ m_pDeviceBitmap->GetWidth() == m_SrcWidth && m_SrcWidth == m_sizeX &&
+ m_pDeviceBitmap->GetHeight() == m_SrcHeight &&
+ m_SrcHeight == m_sizeY && m_startX == 0 && m_startY == 0 &&
+ m_clipBox.left == 0 && m_clipBox.top == 0 &&
+ m_clipBox.right == m_SrcWidth && m_clipBox.bottom == m_SrcHeight) {
+ ret = pTiffModule->Decode(m_pTiffContext, m_pDeviceBitmap);
+ m_pDeviceBitmap = NULL;
+ m_pFile = NULL;
+ if (!ret) {
+ return m_status = FXCODEC_STATUS_ERROR;
+ }
+ return m_status = FXCODEC_STATUS_DECODE_FINISH;
+ } else {
+ CFX_DIBitmap* pDIBitmap = new CFX_DIBitmap;
+ pDIBitmap->Create(m_SrcWidth, m_SrcHeight, FXDIB_Argb);
+ if (pDIBitmap->GetBuffer() == NULL) {
+ delete pDIBitmap;
+ m_pDeviceBitmap = NULL;
+ m_pFile = NULL;
+ return m_status = FXCODEC_STATUS_ERR_MEMORY;
+ }
+ ret = pTiffModule->Decode(m_pTiffContext, pDIBitmap);
+ if (!ret) {
+ delete pDIBitmap;
+ m_pDeviceBitmap = NULL;
+ m_pFile = NULL;
+ return m_status = FXCODEC_STATUS_ERROR;
+ }
+ CFX_DIBitmap* pClipBitmap =
+ (m_clipBox.left == 0 && m_clipBox.top == 0 &&
+ m_clipBox.right == m_SrcWidth && m_clipBox.bottom == m_SrcHeight)
+ ? pDIBitmap
+ : pDIBitmap->Clone(&m_clipBox);
+ if (pDIBitmap != pClipBitmap) {
+ delete pDIBitmap;
+ }
+ if (pClipBitmap == NULL) {
+ m_pDeviceBitmap = NULL;
+ m_pFile = NULL;
+ return m_status = FXCODEC_STATUS_ERR_MEMORY;
+ }
+ CFX_DIBitmap* pFormatBitmap = NULL;
+ switch (m_pDeviceBitmap->GetFormat()) {
+ case FXDIB_8bppRgb:
+ pFormatBitmap = new CFX_DIBitmap;
+ pFormatBitmap->Create(pClipBitmap->GetWidth(),
+ pClipBitmap->GetHeight(), FXDIB_8bppRgb);
break;
- }
- return FXCODEC_STATUS_ERROR;
-}
-FXCODEC_STATUS CCodec_ProgressiveDecoder::ContinueDecode(IFX_Pause* pPause)
-{
- if(m_status != FXCODEC_STATUS_DECODE_TOBECONTINUE) {
- return FXCODEC_STATUS_ERROR;
- }
- switch(m_imagType) {
- case FXCODEC_IMAGE_JPG: {
- ICodec_JpegModule* pJpegModule = m_pCodecMgr->GetJpegModule();
- while(TRUE) {
- FX_BOOL readRes = pJpegModule->ReadScanline(m_pJpegContext, m_pDecodeBuf);
- while(!readRes) {
- FXCODEC_STATUS error_status = FXCODEC_STATUS_DECODE_FINISH;
- if(!JpegReadMoreData(pJpegModule, error_status)) {
- m_pDeviceBitmap = NULL;
- m_pFile = NULL;
- return m_status = error_status;
- }
- readRes = pJpegModule->ReadScanline(m_pJpegContext, m_pDecodeBuf);
- }
- if(m_SrcFormat == FXCodec_Rgb) {
- int src_Bpp = (m_SrcFormat & 0xff) >> 3;
- _RGB2BGR(m_pDecodeBuf + m_clipBox.left * src_Bpp, m_clipBox.Width());
- }
- if(m_SrcRow >= m_clipBox.bottom) {
- m_pDeviceBitmap = NULL;
- m_pFile = NULL;
- return m_status = FXCODEC_STATUS_DECODE_FINISH;
- }
- Resample(m_pDeviceBitmap, m_SrcRow, m_pDecodeBuf, m_SrcFormat);
- m_SrcRow++;
- if(pPause && pPause->NeedToPauseNow()) {
- return m_status = FXCODEC_STATUS_DECODE_TOBECONTINUE;
- }
- }
- }
+ case FXDIB_8bppMask:
+ pFormatBitmap = new CFX_DIBitmap;
+ pFormatBitmap->Create(pClipBitmap->GetWidth(),
+ pClipBitmap->GetHeight(), FXDIB_8bppMask);
break;
- case FXCODEC_IMAGE_PNG: {
- ICodec_PngModule* pPngModule = m_pCodecMgr->GetPngModule();
- while (TRUE) {
- FX_DWORD remain_size = (FX_DWORD)m_pFile->GetSize() - m_offSet;
- FX_DWORD input_size = remain_size > FXCODEC_BLOCK_SIZE ? FXCODEC_BLOCK_SIZE : remain_size;
- if(input_size == 0) {
- if(m_pPngContext != NULL) {
- pPngModule->Finish(m_pPngContext);
- }
- m_pPngContext = NULL;
- m_pDeviceBitmap = NULL;
- m_pFile = NULL;
- return m_status = FXCODEC_STATUS_DECODE_FINISH;
- }
- if(m_pSrcBuf != NULL && input_size > m_SrcSize) {
- FX_Free(m_pSrcBuf);
- m_pSrcBuf = FX_Alloc(uint8_t, input_size);
- if(m_pSrcBuf == NULL) {
- m_pDeviceBitmap = NULL;
- m_pFile = NULL;
- return m_status = FXCODEC_STATUS_ERR_MEMORY;
- }
- FXSYS_memset(m_pSrcBuf, 0, input_size);
- m_SrcSize = input_size;
- }
- FX_BOOL bResult = m_pFile->ReadBlock(m_pSrcBuf, m_offSet, input_size);
- if(!bResult) {
- m_pDeviceBitmap = NULL;
- m_pFile = NULL;
- return m_status = FXCODEC_STATUS_ERR_READ;
- }
- m_offSet += input_size;
- bResult = pPngModule->Input(m_pPngContext, m_pSrcBuf, input_size);
- if(!bResult) {
- m_pDeviceBitmap = NULL;
- m_pFile = NULL;
- return m_status = FXCODEC_STATUS_ERROR;
- }
- if(pPause && pPause->NeedToPauseNow()) {
- return m_status = FXCODEC_STATUS_DECODE_TOBECONTINUE;
- }
- }
- }
+ case FXDIB_Rgb:
+ pFormatBitmap = new CFX_DIBitmap;
+ pFormatBitmap->Create(pClipBitmap->GetWidth(),
+ pClipBitmap->GetHeight(), FXDIB_Rgb);
break;
- case FXCODEC_IMAGE_GIF: {
- ICodec_GifModule* pGifModule = m_pCodecMgr->GetGifModule();
- while(TRUE) {
- int32_t readRes = pGifModule->LoadFrame(m_pGifContext, m_FrameCur);
- while(readRes == 2) {
- FXCODEC_STATUS error_status = FXCODEC_STATUS_DECODE_FINISH;
- if(!GifReadMoreData(pGifModule, error_status)) {
- m_pDeviceBitmap = NULL;
- m_pFile = NULL;
- return m_status = error_status;
- }
- if(pPause && pPause->NeedToPauseNow()) {
- return m_status = FXCODEC_STATUS_DECODE_TOBECONTINUE;
- }
- readRes = pGifModule->LoadFrame(m_pGifContext, m_FrameCur);
- }
- if(readRes == 1) {
- m_pDeviceBitmap = NULL;
- m_pFile = NULL;
- return m_status = FXCODEC_STATUS_DECODE_FINISH;
- }
- m_pDeviceBitmap = NULL;
- m_pFile = NULL;
- return m_status = FXCODEC_STATUS_ERROR;
- }
- }
+ case FXDIB_Rgb32:
+ pFormatBitmap = new CFX_DIBitmap;
+ pFormatBitmap->Create(pClipBitmap->GetWidth(),
+ pClipBitmap->GetHeight(), FXDIB_Rgb32);
break;
- case FXCODEC_IMAGE_BMP: {
- ICodec_BmpModule* pBmpModule = m_pCodecMgr->GetBmpModule();
- while(TRUE) {
- int32_t readRes = pBmpModule->LoadImage(m_pBmpContext);
- while(readRes == 2) {
- FXCODEC_STATUS error_status = FXCODEC_STATUS_DECODE_FINISH;
- if(!BmpReadMoreData(pBmpModule, error_status)) {
- m_pDeviceBitmap = NULL;
- m_pFile = NULL;
- return m_status = error_status;
- }
- if(pPause && pPause->NeedToPauseNow()) {
- return m_status = FXCODEC_STATUS_DECODE_TOBECONTINUE;
- }
- readRes = pBmpModule->LoadImage(m_pBmpContext);
- }
- if(readRes == 1) {
- m_pDeviceBitmap = NULL;
- m_pFile = NULL;
- return m_status = FXCODEC_STATUS_DECODE_FINISH;
- }
- m_pDeviceBitmap = NULL;
- m_pFile = NULL;
- return m_status = FXCODEC_STATUS_ERROR;
- }
- }
+ case FXDIB_Argb:
+ pFormatBitmap = pClipBitmap;
break;
- case FXCODEC_IMAGE_TIF: {
- ICodec_TiffModule* pTiffModule = m_pCodecMgr->GetTiffModule();
- FX_BOOL ret = FALSE;
- if(m_pDeviceBitmap->GetBPP() == 32 &&
- m_pDeviceBitmap->GetWidth() == m_SrcWidth && m_SrcWidth == m_sizeX &&
- m_pDeviceBitmap->GetHeight() == m_SrcHeight && m_SrcHeight == m_sizeY &&
- m_startX == 0 && m_startY == 0 && m_clipBox.left == 0 && m_clipBox.top == 0
- && m_clipBox.right == m_SrcWidth && m_clipBox.bottom == m_SrcHeight) {
- ret = pTiffModule->Decode(m_pTiffContext, m_pDeviceBitmap);
- m_pDeviceBitmap = NULL;
- m_pFile = NULL;
- if(!ret) {
- return m_status = FXCODEC_STATUS_ERROR;
- }
- return m_status = FXCODEC_STATUS_DECODE_FINISH;
- } else {
- CFX_DIBitmap* pDIBitmap = new CFX_DIBitmap;
- pDIBitmap->Create(m_SrcWidth, m_SrcHeight, FXDIB_Argb);
- if(pDIBitmap->GetBuffer() == NULL) {
- delete pDIBitmap;
- m_pDeviceBitmap = NULL;
- m_pFile = NULL;
- return m_status = FXCODEC_STATUS_ERR_MEMORY;
- }
- ret = pTiffModule->Decode(m_pTiffContext, pDIBitmap);
- if(!ret) {
- delete pDIBitmap;
- m_pDeviceBitmap = NULL;
- m_pFile = NULL;
- return m_status = FXCODEC_STATUS_ERROR;
- }
- CFX_DIBitmap* pClipBitmap =
- (m_clipBox.left == 0 &&
- m_clipBox.top == 0 &&
- m_clipBox.right == m_SrcWidth &&
- m_clipBox.bottom == m_SrcHeight) ? pDIBitmap : pDIBitmap->Clone(&m_clipBox);
- if(pDIBitmap != pClipBitmap) {
- delete pDIBitmap;
- }
- if(pClipBitmap == NULL) {
- m_pDeviceBitmap = NULL;
- m_pFile = NULL;
- return m_status = FXCODEC_STATUS_ERR_MEMORY;
- }
- CFX_DIBitmap* pFormatBitmap = NULL;
- switch(m_pDeviceBitmap->GetFormat()) {
- case FXDIB_8bppRgb:
- pFormatBitmap = new CFX_DIBitmap;
- pFormatBitmap->Create(pClipBitmap->GetWidth(), pClipBitmap->GetHeight(), FXDIB_8bppRgb);
- break;
- case FXDIB_8bppMask:
- pFormatBitmap = new CFX_DIBitmap;
- pFormatBitmap->Create(pClipBitmap->GetWidth(), pClipBitmap->GetHeight(), FXDIB_8bppMask);
- break;
- case FXDIB_Rgb:
- pFormatBitmap = new CFX_DIBitmap;
- pFormatBitmap->Create(pClipBitmap->GetWidth(), pClipBitmap->GetHeight(), FXDIB_Rgb);
- break;
- case FXDIB_Rgb32:
- pFormatBitmap = new CFX_DIBitmap;
- pFormatBitmap->Create(pClipBitmap->GetWidth(), pClipBitmap->GetHeight(), FXDIB_Rgb32);
- break;
- case FXDIB_Argb:
- pFormatBitmap = pClipBitmap;
- break;
- default:
- ;
- }
- switch(m_pDeviceBitmap->GetFormat()) {
- case FXDIB_8bppRgb:
- case FXDIB_8bppMask: {
- for (int32_t row = 0; row < pClipBitmap->GetHeight(); row++) {
- uint8_t* src_line = (uint8_t*)pClipBitmap->GetScanline(row);
- uint8_t* des_line = (uint8_t*)pFormatBitmap->GetScanline(row);
- for (int32_t col = 0; col < pClipBitmap->GetWidth(); col++) {
- uint8_t _a = 255 - src_line[3];
- uint8_t b = (src_line[0] * src_line[3] + 0xFF * _a) / 255;
- uint8_t g = (src_line[1] * src_line[3] + 0xFF * _a) / 255;
- uint8_t r = (src_line[2] * src_line[3] + 0xFF * _a) / 255;
- *des_line++ = FXRGB2GRAY(r, g, b);
- src_line += 4;
- }
- }
- }
- break;
- case FXDIB_Rgb:
- case FXDIB_Rgb32: {
- int32_t desBpp = (m_pDeviceBitmap->GetFormat() == FXDIB_Rgb) ? 3 : 4;
- for (int32_t row = 0; row < pClipBitmap->GetHeight(); row++) {
- uint8_t* src_line = (uint8_t*)pClipBitmap->GetScanline(row);
- uint8_t* des_line = (uint8_t*)pFormatBitmap->GetScanline(row);
- for (int32_t col = 0; col < pClipBitmap->GetWidth(); col++) {
- uint8_t _a = 255 - src_line[3];
- uint8_t b = (src_line[0] * src_line[3] + 0xFF * _a) / 255;
- uint8_t g = (src_line[1] * src_line[3] + 0xFF * _a) / 255;
- uint8_t r = (src_line[2] * src_line[3] + 0xFF * _a) / 255;
- *des_line++ = b;
- *des_line++ = g;
- *des_line++ = r;
- des_line += desBpp - 3;
- src_line += 4;
- }
- }
- }
- break;
- default:
- ;
- }
- if(pClipBitmap != pFormatBitmap) {
- delete pClipBitmap;
- }
- if(pFormatBitmap == NULL) {
- m_pDeviceBitmap = NULL;
- m_pFile = NULL;
- return m_status = FXCODEC_STATUS_ERR_MEMORY;
- }
- CFX_DIBitmap* pStrechBitmap = pFormatBitmap->StretchTo(m_sizeX, m_sizeY, m_bInterpol ? FXDIB_INTERPOL : FXDIB_DOWNSAMPLE);
- delete pFormatBitmap;
- pFormatBitmap = NULL;
- if(pStrechBitmap == NULL) {
- m_pDeviceBitmap = NULL;
- m_pFile = NULL;
- return m_status = FXCODEC_STATUS_ERR_MEMORY;
- }
- m_pDeviceBitmap->TransferBitmap(m_startX, m_startY, m_sizeX, m_sizeY, pStrechBitmap, 0, 0);
- delete pStrechBitmap;
- pStrechBitmap = NULL;
- m_pDeviceBitmap = NULL;
- m_pFile = NULL;
- return m_status = FXCODEC_STATUS_DECODE_FINISH;
- }
+ default:;
+ }
+ switch (m_pDeviceBitmap->GetFormat()) {
+ case FXDIB_8bppRgb:
+ case FXDIB_8bppMask: {
+ for (int32_t row = 0; row < pClipBitmap->GetHeight(); row++) {
+ uint8_t* src_line = (uint8_t*)pClipBitmap->GetScanline(row);
+ uint8_t* des_line = (uint8_t*)pFormatBitmap->GetScanline(row);
+ for (int32_t col = 0; col < pClipBitmap->GetWidth(); col++) {
+ uint8_t _a = 255 - src_line[3];
+ uint8_t b = (src_line[0] * src_line[3] + 0xFF * _a) / 255;
+ uint8_t g = (src_line[1] * src_line[3] + 0xFF * _a) / 255;
+ uint8_t r = (src_line[2] * src_line[3] + 0xFF * _a) / 255;
+ *des_line++ = FXRGB2GRAY(r, g, b);
+ src_line += 4;
+ }
}
- break;
- default:
- break;
- }
- return FXCODEC_STATUS_ERROR;
+ } break;
+ case FXDIB_Rgb:
+ case FXDIB_Rgb32: {
+ int32_t desBpp =
+ (m_pDeviceBitmap->GetFormat() == FXDIB_Rgb) ? 3 : 4;
+ for (int32_t row = 0; row < pClipBitmap->GetHeight(); row++) {
+ uint8_t* src_line = (uint8_t*)pClipBitmap->GetScanline(row);
+ uint8_t* des_line = (uint8_t*)pFormatBitmap->GetScanline(row);
+ for (int32_t col = 0; col < pClipBitmap->GetWidth(); col++) {
+ uint8_t _a = 255 - src_line[3];
+ uint8_t b = (src_line[0] * src_line[3] + 0xFF * _a) / 255;
+ uint8_t g = (src_line[1] * src_line[3] + 0xFF * _a) / 255;
+ uint8_t r = (src_line[2] * src_line[3] + 0xFF * _a) / 255;
+ *des_line++ = b;
+ *des_line++ = g;
+ *des_line++ = r;
+ des_line += desBpp - 3;
+ src_line += 4;
+ }
+ }
+ } break;
+ default:;
+ }
+ if (pClipBitmap != pFormatBitmap) {
+ delete pClipBitmap;
+ }
+ if (pFormatBitmap == NULL) {
+ m_pDeviceBitmap = NULL;
+ m_pFile = NULL;
+ return m_status = FXCODEC_STATUS_ERR_MEMORY;
+ }
+ CFX_DIBitmap* pStrechBitmap = pFormatBitmap->StretchTo(
+ m_sizeX, m_sizeY, m_bInterpol ? FXDIB_INTERPOL : FXDIB_DOWNSAMPLE);
+ delete pFormatBitmap;
+ pFormatBitmap = NULL;
+ if (pStrechBitmap == NULL) {
+ m_pDeviceBitmap = NULL;
+ m_pFile = NULL;
+ return m_status = FXCODEC_STATUS_ERR_MEMORY;
+ }
+ m_pDeviceBitmap->TransferBitmap(m_startX, m_startY, m_sizeX, m_sizeY,
+ pStrechBitmap, 0, 0);
+ delete pStrechBitmap;
+ pStrechBitmap = NULL;
+ m_pDeviceBitmap = NULL;
+ m_pFile = NULL;
+ return m_status = FXCODEC_STATUS_DECODE_FINISH;
+ }
+ } break;
+ default:
+ break;
+ }
+ return FXCODEC_STATUS_ERROR;
}
-ICodec_ProgressiveDecoder* CCodec_ModuleMgr::CreateProgressiveDecoder()
-{
- return new CCodec_ProgressiveDecoder(this);
+ICodec_ProgressiveDecoder* CCodec_ModuleMgr::CreateProgressiveDecoder() {
+ return new CCodec_ProgressiveDecoder(this);
}
diff --git a/core/src/fxcodec/codec/fx_codec_progress.h b/core/src/fxcodec/codec/fx_codec_progress.h index 8a32f97be4..45dc6d7b4e 100644 --- a/core/src/fxcodec/codec/fx_codec_progress.h +++ b/core/src/fxcodec/codec/fx_codec_progress.h @@ -7,200 +7,218 @@ #ifndef _FX_CODEC_PROGRESS_H_
#define _FX_CODEC_PROGRESS_H_
#define FXCODEC_BLOCK_SIZE 4096
-#define FXCODEC_PNG_GAMMA 2.2
+#define FXCODEC_PNG_GAMMA 2.2
#if _FX_OS_ == _FX_MACOSX_ || _FX_OS_ == _FX_IOS_
-# undef FXCODEC_PNG_GAMMA
-# define FXCODEC_PNG_GAMMA 1.7
+#undef FXCODEC_PNG_GAMMA
+#define FXCODEC_PNG_GAMMA 1.7
#endif
struct PixelWeight {
- int m_SrcStart;
- int m_SrcEnd;
- int m_Weights[1];
+ int m_SrcStart;
+ int m_SrcEnd;
+ int m_Weights[1];
};
-class CFXCODEC_WeightTable
-{
-public:
- CFXCODEC_WeightTable()
- {
- m_pWeightTables = NULL;
- }
- ~CFXCODEC_WeightTable()
- {
- if(m_pWeightTables != NULL) {
- FX_Free(m_pWeightTables);
- }
+class CFXCODEC_WeightTable {
+ public:
+ CFXCODEC_WeightTable() { m_pWeightTables = NULL; }
+ ~CFXCODEC_WeightTable() {
+ if (m_pWeightTables != NULL) {
+ FX_Free(m_pWeightTables);
}
+ }
- void Calc(int dest_len, int dest_min, int dest_max, int src_len, int src_min, int src_max, FX_BOOL bInterpol);
- PixelWeight* GetPixelWeight(int pixel)
- {
- return (PixelWeight*)(m_pWeightTables + (pixel - m_DestMin) * m_ItemSize);
- }
+ void Calc(int dest_len,
+ int dest_min,
+ int dest_max,
+ int src_len,
+ int src_min,
+ int src_max,
+ FX_BOOL bInterpol);
+ PixelWeight* GetPixelWeight(int pixel) {
+ return (PixelWeight*)(m_pWeightTables + (pixel - m_DestMin) * m_ItemSize);
+ }
- int m_DestMin, m_ItemSize;
- uint8_t* m_pWeightTables;
+ int m_DestMin, m_ItemSize;
+ uint8_t* m_pWeightTables;
};
-class CFXCODEC_HorzTable
-{
-public:
- CFXCODEC_HorzTable()
- {
- m_pWeightTables = NULL;
- }
- ~CFXCODEC_HorzTable()
- {
- if(m_pWeightTables != NULL) {
- FX_Free(m_pWeightTables);
- }
+class CFXCODEC_HorzTable {
+ public:
+ CFXCODEC_HorzTable() { m_pWeightTables = NULL; }
+ ~CFXCODEC_HorzTable() {
+ if (m_pWeightTables != NULL) {
+ FX_Free(m_pWeightTables);
}
+ }
- void Calc(int dest_len, int src_len, FX_BOOL bInterpol);
- PixelWeight* GetPixelWeight(int pixel)
- {
- return (PixelWeight*)(m_pWeightTables + pixel * m_ItemSize);
- }
+ void Calc(int dest_len, int src_len, FX_BOOL bInterpol);
+ PixelWeight* GetPixelWeight(int pixel) {
+ return (PixelWeight*)(m_pWeightTables + pixel * m_ItemSize);
+ }
- int m_ItemSize;
- uint8_t* m_pWeightTables;
+ int m_ItemSize;
+ uint8_t* m_pWeightTables;
};
-class CFXCODEC_VertTable
-{
-public:
- CFXCODEC_VertTable()
- {
- m_pWeightTables = NULL;
- }
- ~CFXCODEC_VertTable()
- {
- if(m_pWeightTables != NULL) {
- FX_Free(m_pWeightTables);
- }
- }
- void Calc(int dest_len, int src_len);
- PixelWeight* GetPixelWeight(int pixel)
- {
- return (PixelWeight*)(m_pWeightTables + pixel * m_ItemSize);
+class CFXCODEC_VertTable {
+ public:
+ CFXCODEC_VertTable() { m_pWeightTables = NULL; }
+ ~CFXCODEC_VertTable() {
+ if (m_pWeightTables != NULL) {
+ FX_Free(m_pWeightTables);
}
- int m_ItemSize;
- uint8_t* m_pWeightTables;
+ }
+ void Calc(int dest_len, int src_len);
+ PixelWeight* GetPixelWeight(int pixel) {
+ return (PixelWeight*)(m_pWeightTables + pixel * m_ItemSize);
+ }
+ int m_ItemSize;
+ uint8_t* m_pWeightTables;
};
enum FXCodec_Format {
- FXCodec_Invalid = 0,
- FXCodec_1bppGray = 0x101,
- FXCodec_1bppRgb = 0x001,
- FXCodec_8bppGray = 0x108,
- FXCodec_8bppRgb = 0x008,
- FXCodec_Rgb = 0x018,
- FXCodec_Rgb32 = 0x020,
- FXCodec_Argb = 0x220,
- FXCodec_Cmyk = 0x120
+ FXCodec_Invalid = 0,
+ FXCodec_1bppGray = 0x101,
+ FXCodec_1bppRgb = 0x001,
+ FXCodec_8bppGray = 0x108,
+ FXCodec_8bppRgb = 0x008,
+ FXCodec_Rgb = 0x018,
+ FXCodec_Rgb32 = 0x020,
+ FXCodec_Argb = 0x220,
+ FXCodec_Cmyk = 0x120
};
-class CCodec_ProgressiveDecoder : public ICodec_ProgressiveDecoder
-{
-public:
- CCodec_ProgressiveDecoder(CCodec_ModuleMgr* pCodecMgr);
- virtual ~CCodec_ProgressiveDecoder();
+class CCodec_ProgressiveDecoder : public ICodec_ProgressiveDecoder {
+ public:
+ CCodec_ProgressiveDecoder(CCodec_ModuleMgr* pCodecMgr);
+ virtual ~CCodec_ProgressiveDecoder();
-public:
- virtual FXCODEC_STATUS LoadImageInfo(IFX_FileRead* pFile, FXCODEC_IMAGE_TYPE imageType, CFX_DIBAttribute* pAttribute);
+ public:
+ virtual FXCODEC_STATUS LoadImageInfo(IFX_FileRead* pFile,
+ FXCODEC_IMAGE_TYPE imageType,
+ CFX_DIBAttribute* pAttribute);
- virtual FXCODEC_IMAGE_TYPE GetType()
- {
- return m_imagType;
- }
- virtual int32_t GetWidth()
- {
- return m_SrcWidth;
- }
- virtual int32_t GetHeight()
- {
- return m_SrcHeight;
- }
- virtual int32_t GetNumComponents()
- {
- return m_SrcComponents;
- }
- virtual int32_t GetBPC()
- {
- return m_SrcBPC;
- }
- virtual void SetClipBox(FX_RECT* clip);
- virtual FXCODEC_STATUS GetFrames(int32_t& frames, IFX_Pause* pPause);
+ virtual FXCODEC_IMAGE_TYPE GetType() { return m_imagType; }
+ virtual int32_t GetWidth() { return m_SrcWidth; }
+ virtual int32_t GetHeight() { return m_SrcHeight; }
+ virtual int32_t GetNumComponents() { return m_SrcComponents; }
+ virtual int32_t GetBPC() { return m_SrcBPC; }
+ virtual void SetClipBox(FX_RECT* clip);
+ virtual FXCODEC_STATUS GetFrames(int32_t& frames, IFX_Pause* pPause);
+
+ virtual FXCODEC_STATUS StartDecode(CFX_DIBitmap* pDIBitmap,
+ int start_x,
+ int start_y,
+ int size_x,
+ int size_y,
+ int32_t frames,
+ FX_BOOL bInterpol);
- virtual FXCODEC_STATUS StartDecode(CFX_DIBitmap* pDIBitmap,
- int start_x, int start_y, int size_x, int size_y,
- int32_t frames, FX_BOOL bInterpol);
+ virtual FXCODEC_STATUS ContinueDecode(IFX_Pause* pPause);
- virtual FXCODEC_STATUS ContinueDecode(IFX_Pause* pPause);
+ protected:
+ FX_BOOL DetectImageType(FXCODEC_IMAGE_TYPE imageType,
+ CFX_DIBAttribute* pAttribute = NULL);
+ void GetDownScale(int& down_scale);
+ void GetTransMethod(FXDIB_Format des_format, FXCodec_Format src_format);
+ void ReSampleScanline(CFX_DIBitmap* pDeviceBitmap,
+ int32_t des_line,
+ uint8_t* src_scan,
+ FXCodec_Format src_format);
+ void Resample(CFX_DIBitmap* pDeviceBitmap,
+ int32_t src_line,
+ uint8_t* src_scan,
+ FXCodec_Format src_format);
+ void ResampleVert(CFX_DIBitmap* pDeviceBitmap, double scale_y, int des_row);
+ FX_BOOL JpegReadMoreData(ICodec_JpegModule* pJpegModule,
+ FXCODEC_STATUS& err_status);
+ static FX_BOOL PngReadHeaderFunc(void* pModule,
+ int width,
+ int height,
+ int bpc,
+ int pass,
+ int* color_type,
+ double* gamma);
+ static FX_BOOL PngAskScanlineBufFunc(void* pModule,
+ int line,
+ uint8_t*& src_buf);
+ static void PngFillScanlineBufCompletedFunc(void* pModule,
+ int pass,
+ int line);
+ void PngOneOneMapResampleHorz(CFX_DIBitmap* pDeviceBitmap,
+ int32_t des_line,
+ uint8_t* src_scan,
+ FXCodec_Format src_format);
-protected:
- FX_BOOL DetectImageType(FXCODEC_IMAGE_TYPE imageType, CFX_DIBAttribute* pAttribute = NULL);
- void GetDownScale(int& down_scale);
- void GetTransMethod(FXDIB_Format des_format, FXCodec_Format src_format);
- void ReSampleScanline(CFX_DIBitmap* pDeviceBitmap, int32_t des_line, uint8_t* src_scan, FXCodec_Format src_format);
- void Resample(CFX_DIBitmap* pDeviceBitmap, int32_t src_line, uint8_t* src_scan, FXCodec_Format src_format);
- void ResampleVert(CFX_DIBitmap* pDeviceBitmap, double scale_y, int des_row);
- FX_BOOL JpegReadMoreData(ICodec_JpegModule* pJpegModule, FXCODEC_STATUS& err_status);
- static FX_BOOL PngReadHeaderFunc(void* pModule, int width, int height, int bpc, int pass, int* color_type, double* gamma);
- static FX_BOOL PngAskScanlineBufFunc(void* pModule, int line, uint8_t*& src_buf);
- static void PngFillScanlineBufCompletedFunc(void* pModule, int pass, int line);
- void PngOneOneMapResampleHorz(CFX_DIBitmap* pDeviceBitmap, int32_t des_line, uint8_t* src_scan, FXCodec_Format src_format);
+ FX_BOOL GifReadMoreData(ICodec_GifModule* pGifModule,
+ FXCODEC_STATUS& err_status);
+ static void GifRecordCurrentPositionCallback(void* pModule,
+ FX_DWORD& cur_pos);
+ static uint8_t* GifAskLocalPaletteBufCallback(void* pModule,
+ int32_t frame_num,
+ int32_t pal_size);
+ static FX_BOOL GifInputRecordPositionBufCallback(void* pModule,
+ FX_DWORD rcd_pos,
+ const FX_RECT& img_rc,
+ int32_t pal_num,
+ void* pal_ptr,
+ int32_t delay_time,
+ FX_BOOL user_input,
+ int32_t trans_index,
+ int32_t disposal_method,
+ FX_BOOL interlace);
+ static void GifReadScanlineCallback(void* pModule,
+ int32_t row_num,
+ uint8_t* row_buf);
+ void GifDoubleLineResampleVert(CFX_DIBitmap* pDeviceBitmap,
+ double scale_y,
+ int des_row);
+ FX_BOOL BmpReadMoreData(ICodec_BmpModule* pBmpModule,
+ FXCODEC_STATUS& err_status);
+ static FX_BOOL BmpInputImagePositionBufCallback(void* pModule,
+ FX_DWORD rcd_pos);
+ static void BmpReadScanlineCallback(void* pModule,
+ int32_t row_num,
+ uint8_t* row_buf);
+ void ResampleVertBT(CFX_DIBitmap* pDeviceBitmap, double scale_y, int des_row);
- FX_BOOL GifReadMoreData(ICodec_GifModule* pGifModule, FXCODEC_STATUS& err_status);
- static void GifRecordCurrentPositionCallback(void* pModule, FX_DWORD& cur_pos);
- static uint8_t* GifAskLocalPaletteBufCallback(void* pModule, int32_t frame_num, int32_t pal_size);
- static FX_BOOL GifInputRecordPositionBufCallback(void* pModule, FX_DWORD rcd_pos, const FX_RECT& img_rc,
- int32_t pal_num, void* pal_ptr,
- int32_t delay_time, FX_BOOL user_input,
- int32_t trans_index, int32_t disposal_method, FX_BOOL interlace);
- static void GifReadScanlineCallback(void* pModule, int32_t row_num, uint8_t* row_buf);
- void GifDoubleLineResampleVert(CFX_DIBitmap* pDeviceBitmap, double scale_y, int des_row);
- FX_BOOL BmpReadMoreData(ICodec_BmpModule* pBmpModule, FXCODEC_STATUS& err_status);
- static FX_BOOL BmpInputImagePositionBufCallback(void* pModule, FX_DWORD rcd_pos);
- static void BmpReadScanlineCallback(void* pModule, int32_t row_num, uint8_t* row_buf);
- void ResampleVertBT(CFX_DIBitmap* pDeviceBitmap, double scale_y, int des_row);
-public:
- IFX_FileRead* m_pFile;
- CCodec_ModuleMgr* m_pCodecMgr;
- void* m_pJpegContext;
- void* m_pPngContext;
- void* m_pGifContext;
- void* m_pBmpContext;
- void* m_pTiffContext;
- FXCODEC_IMAGE_TYPE m_imagType;
- FX_DWORD m_offSet;
- uint8_t* m_pSrcBuf;
- FX_DWORD m_SrcSize;
- uint8_t* m_pDecodeBuf;
- int m_ScanlineSize;
- CFX_DIBitmap* m_pDeviceBitmap;
- FX_BOOL m_bInterpol;
- CFXCODEC_WeightTable m_WeightHorz;
- CFXCODEC_VertTable m_WeightVert;
- CFXCODEC_HorzTable m_WeightHorzOO;
- int m_SrcWidth;
- int m_SrcHeight;
- int m_SrcComponents;
- int m_SrcBPC;
- FX_RECT m_clipBox;
- int m_startX;
- int m_startY;
- int m_sizeX;
- int m_sizeY;
- int m_TransMethod;
- FX_ARGB* m_pSrcPalette;
- int m_SrcPaletteNumber;
- int m_SrcRow;
- FXCodec_Format m_SrcFormat;
- int m_SrcPassNumber;
- int m_FrameNumber;
- int m_FrameCur;
- int m_GifBgIndex;
- uint8_t* m_pGifPalette;
- int32_t m_GifPltNumber;
- int m_GifTransIndex;
- FX_RECT m_GifFrameRect;
- FX_BOOL m_BmpIsTopBottom;
- FXCODEC_STATUS m_status;
+ public:
+ IFX_FileRead* m_pFile;
+ CCodec_ModuleMgr* m_pCodecMgr;
+ void* m_pJpegContext;
+ void* m_pPngContext;
+ void* m_pGifContext;
+ void* m_pBmpContext;
+ void* m_pTiffContext;
+ FXCODEC_IMAGE_TYPE m_imagType;
+ FX_DWORD m_offSet;
+ uint8_t* m_pSrcBuf;
+ FX_DWORD m_SrcSize;
+ uint8_t* m_pDecodeBuf;
+ int m_ScanlineSize;
+ CFX_DIBitmap* m_pDeviceBitmap;
+ FX_BOOL m_bInterpol;
+ CFXCODEC_WeightTable m_WeightHorz;
+ CFXCODEC_VertTable m_WeightVert;
+ CFXCODEC_HorzTable m_WeightHorzOO;
+ int m_SrcWidth;
+ int m_SrcHeight;
+ int m_SrcComponents;
+ int m_SrcBPC;
+ FX_RECT m_clipBox;
+ int m_startX;
+ int m_startY;
+ int m_sizeX;
+ int m_sizeY;
+ int m_TransMethod;
+ FX_ARGB* m_pSrcPalette;
+ int m_SrcPaletteNumber;
+ int m_SrcRow;
+ FXCodec_Format m_SrcFormat;
+ int m_SrcPassNumber;
+ int m_FrameNumber;
+ int m_FrameCur;
+ int m_GifBgIndex;
+ uint8_t* m_pGifPalette;
+ int32_t m_GifPltNumber;
+ int m_GifTransIndex;
+ FX_RECT m_GifFrameRect;
+ FX_BOOL m_BmpIsTopBottom;
+ FXCODEC_STATUS m_status;
};
#endif
diff --git a/core/src/fxcodec/codec/fx_codec_tiff.cpp b/core/src/fxcodec/codec/fx_codec_tiff.cpp index 13909476d1..b93ddacc3c 100644 --- a/core/src/fxcodec/codec/fx_codec_tiff.cpp +++ b/core/src/fxcodec/codec/fx_codec_tiff.cpp @@ -10,512 +10,554 @@ extern "C" {
#include "../fx_tiff/include/fx_tiffiop.h"
}
-void* IccLib_CreateTransform_sRGB(const unsigned char* pProfileData, unsigned int dwProfileSize, int nComponents, int intent, FX_DWORD dwSrcFormat = Icc_FORMAT_DEFAULT);
-void IccLib_TranslateImage(void* pTransform, unsigned char* pDest, const unsigned char* pSrc, int pixels);
+void* IccLib_CreateTransform_sRGB(const unsigned char* pProfileData,
+ unsigned int dwProfileSize,
+ int nComponents,
+ int intent,
+ FX_DWORD dwSrcFormat = Icc_FORMAT_DEFAULT);
+void IccLib_TranslateImage(void* pTransform,
+ unsigned char* pDest,
+ const unsigned char* pSrc,
+ int pixels);
void IccLib_DestroyTransform(void* pTransform);
-class CCodec_TiffContext
-{
-public:
- CCodec_TiffContext();
- ~CCodec_TiffContext();
+class CCodec_TiffContext {
+ public:
+ CCodec_TiffContext();
+ ~CCodec_TiffContext();
- FX_BOOL InitDecoder(IFX_FileRead* file_ptr);
- void GetFrames(int32_t& frames);
- FX_BOOL LoadFrameInfo(int32_t frame, FX_DWORD& width, FX_DWORD& height, FX_DWORD& comps, FX_DWORD& bpc, CFX_DIBAttribute* pAttribute);
- FX_BOOL Decode(CFX_DIBitmap* pDIBitmap);
+ FX_BOOL InitDecoder(IFX_FileRead* file_ptr);
+ void GetFrames(int32_t& frames);
+ FX_BOOL LoadFrameInfo(int32_t frame,
+ FX_DWORD& width,
+ FX_DWORD& height,
+ FX_DWORD& comps,
+ FX_DWORD& bpc,
+ CFX_DIBAttribute* pAttribute);
+ FX_BOOL Decode(CFX_DIBitmap* pDIBitmap);
- union {
- IFX_FileRead* in;
- IFX_FileStream* out;
- } io;
+ union {
+ IFX_FileRead* in;
+ IFX_FileStream* out;
+ } io;
- FX_DWORD offset;
+ FX_DWORD offset;
- TIFF* tif_ctx;
- void* icc_ctx;
- int32_t frame_num;
- int32_t frame_cur;
- FX_BOOL isDecoder;
-private:
- FX_BOOL isSupport(CFX_DIBitmap* pDIBitmap);
- void SetPalette(CFX_DIBitmap* pDIBitmap, uint16_t bps);
- FX_BOOL Decode1bppRGB(CFX_DIBitmap* pDIBitmap, int32_t height, int32_t width, uint16_t bps, uint16_t spp);
- FX_BOOL Decode8bppRGB(CFX_DIBitmap* pDIBitmap, int32_t height, int32_t width, uint16_t bps, uint16_t spp);
- FX_BOOL Decode24bppRGB(CFX_DIBitmap* pDIBitmap, int32_t height, int32_t width, uint16_t bps, uint16_t spp);
+ TIFF* tif_ctx;
+ void* icc_ctx;
+ int32_t frame_num;
+ int32_t frame_cur;
+ FX_BOOL isDecoder;
+
+ private:
+ FX_BOOL isSupport(CFX_DIBitmap* pDIBitmap);
+ void SetPalette(CFX_DIBitmap* pDIBitmap, uint16_t bps);
+ FX_BOOL Decode1bppRGB(CFX_DIBitmap* pDIBitmap,
+ int32_t height,
+ int32_t width,
+ uint16_t bps,
+ uint16_t spp);
+ FX_BOOL Decode8bppRGB(CFX_DIBitmap* pDIBitmap,
+ int32_t height,
+ int32_t width,
+ uint16_t bps,
+ uint16_t spp);
+ FX_BOOL Decode24bppRGB(CFX_DIBitmap* pDIBitmap,
+ int32_t height,
+ int32_t width,
+ uint16_t bps,
+ uint16_t spp);
};
-CCodec_TiffContext::CCodec_TiffContext()
-{
- offset = 0;
- frame_num = 0;
- frame_cur = 0;
- io.in = NULL;
- tif_ctx = NULL;
+CCodec_TiffContext::CCodec_TiffContext() {
+ offset = 0;
+ frame_num = 0;
+ frame_cur = 0;
+ io.in = NULL;
+ tif_ctx = NULL;
+ icc_ctx = NULL;
+ isDecoder = TRUE;
+}
+CCodec_TiffContext::~CCodec_TiffContext() {
+ if (icc_ctx) {
+ IccLib_DestroyTransform(icc_ctx);
icc_ctx = NULL;
- isDecoder = TRUE;
-}
-CCodec_TiffContext::~CCodec_TiffContext()
-{
- if(icc_ctx) {
- IccLib_DestroyTransform(icc_ctx);
- icc_ctx = NULL;
- }
- if(tif_ctx) {
- TIFFClose(tif_ctx);
- }
-}
-static tsize_t _tiff_read(thandle_t context, tdata_t buf, tsize_t length)
-{
- CCodec_TiffContext* pTiffContext = (CCodec_TiffContext*)context;
- FX_BOOL ret = FALSE;
- if(pTiffContext->isDecoder) {
- ret = pTiffContext->io.in->ReadBlock(buf, pTiffContext->offset, length);
- } else {
- ret = pTiffContext->io.out->ReadBlock(buf, pTiffContext->offset, length);
- }
- if(!ret) {
- return 0;
- }
- pTiffContext->offset += (FX_DWORD)length;
- return length;
-}
-static tsize_t _tiff_write(thandle_t context, tdata_t buf, tsize_t length)
-{
- CCodec_TiffContext* pTiffContext = (CCodec_TiffContext*)context;
- ASSERT(!pTiffContext->isDecoder);
- if(!pTiffContext->io.out->WriteBlock(buf, pTiffContext->offset, length)) {
- return 0;
- }
- pTiffContext->offset += (FX_DWORD)length;
- return length;
-}
-static toff_t _tiff_seek(thandle_t context, toff_t offset, int whence)
-{
- CCodec_TiffContext* pTiffContext = (CCodec_TiffContext*)context;
- switch(whence) {
- case 0:
- pTiffContext->offset = (FX_DWORD)offset;
- break;
- case 1:
- pTiffContext->offset += (FX_DWORD)offset;
- break;
- case 2:
- if(pTiffContext->isDecoder) {
- if(pTiffContext->io.in->GetSize() < (FX_FILESIZE)offset) {
- return -1;
- }
- pTiffContext->offset = (FX_DWORD)(pTiffContext->io.in->GetSize() - offset);
- } else {
- if(pTiffContext->io.out->GetSize() < (FX_FILESIZE)offset) {
- return -1;
- }
- pTiffContext->offset = (FX_DWORD)(pTiffContext->io.out->GetSize() - offset);
- }
- break;
- default:
- return -1;
- }
- ASSERT(pTiffContext->isDecoder ?
- (pTiffContext->offset <= (FX_DWORD)pTiffContext->io.in->GetSize()) :
- TRUE);
- return pTiffContext->offset;
-}
-static int _tiff_close(thandle_t context)
-{
+ }
+ if (tif_ctx) {
+ TIFFClose(tif_ctx);
+ }
+}
+static tsize_t _tiff_read(thandle_t context, tdata_t buf, tsize_t length) {
+ CCodec_TiffContext* pTiffContext = (CCodec_TiffContext*)context;
+ FX_BOOL ret = FALSE;
+ if (pTiffContext->isDecoder) {
+ ret = pTiffContext->io.in->ReadBlock(buf, pTiffContext->offset, length);
+ } else {
+ ret = pTiffContext->io.out->ReadBlock(buf, pTiffContext->offset, length);
+ }
+ if (!ret) {
return 0;
-}
-static toff_t _tiff_get_size(thandle_t context)
-{
- CCodec_TiffContext* pTiffContext = (CCodec_TiffContext*)context;
- return pTiffContext->isDecoder ?
- (toff_t)pTiffContext->io.in->GetSize() :
- (toff_t)pTiffContext->io.out->GetSize();
-}
-static int _tiff_map(thandle_t context, tdata_t*, toff_t*)
-{
+ }
+ pTiffContext->offset += (FX_DWORD)length;
+ return length;
+}
+static tsize_t _tiff_write(thandle_t context, tdata_t buf, tsize_t length) {
+ CCodec_TiffContext* pTiffContext = (CCodec_TiffContext*)context;
+ ASSERT(!pTiffContext->isDecoder);
+ if (!pTiffContext->io.out->WriteBlock(buf, pTiffContext->offset, length)) {
return 0;
+ }
+ pTiffContext->offset += (FX_DWORD)length;
+ return length;
+}
+static toff_t _tiff_seek(thandle_t context, toff_t offset, int whence) {
+ CCodec_TiffContext* pTiffContext = (CCodec_TiffContext*)context;
+ switch (whence) {
+ case 0:
+ pTiffContext->offset = (FX_DWORD)offset;
+ break;
+ case 1:
+ pTiffContext->offset += (FX_DWORD)offset;
+ break;
+ case 2:
+ if (pTiffContext->isDecoder) {
+ if (pTiffContext->io.in->GetSize() < (FX_FILESIZE)offset) {
+ return -1;
+ }
+ pTiffContext->offset =
+ (FX_DWORD)(pTiffContext->io.in->GetSize() - offset);
+ } else {
+ if (pTiffContext->io.out->GetSize() < (FX_FILESIZE)offset) {
+ return -1;
+ }
+ pTiffContext->offset =
+ (FX_DWORD)(pTiffContext->io.out->GetSize() - offset);
+ }
+ break;
+ default:
+ return -1;
+ }
+ ASSERT(pTiffContext->isDecoder ? (pTiffContext->offset <=
+ (FX_DWORD)pTiffContext->io.in->GetSize())
+ : TRUE);
+ return pTiffContext->offset;
+}
+static int _tiff_close(thandle_t context) {
+ return 0;
+}
+static toff_t _tiff_get_size(thandle_t context) {
+ CCodec_TiffContext* pTiffContext = (CCodec_TiffContext*)context;
+ return pTiffContext->isDecoder ? (toff_t)pTiffContext->io.in->GetSize()
+ : (toff_t)pTiffContext->io.out->GetSize();
+}
+static int _tiff_map(thandle_t context, tdata_t*, toff_t*) {
+ return 0;
}
static void _tiff_unmap(thandle_t context, tdata_t, toff_t) {}
-TIFF* _tiff_open(void* context, const char* mode)
-{
- TIFF* tif = TIFFClientOpen("Tiff Image", mode,
- (thandle_t)context,
- _tiff_read, _tiff_write, _tiff_seek, _tiff_close,
- _tiff_get_size, _tiff_map, _tiff_unmap);
- if(tif) {
- tif->tif_fd = (int)(intptr_t)context;
- }
- return tif;
+TIFF* _tiff_open(void* context, const char* mode) {
+ TIFF* tif = TIFFClientOpen("Tiff Image", mode, (thandle_t)context, _tiff_read,
+ _tiff_write, _tiff_seek, _tiff_close,
+ _tiff_get_size, _tiff_map, _tiff_unmap);
+ if (tif) {
+ tif->tif_fd = (int)(intptr_t)context;
+ }
+ return tif;
}
-void* _TIFFmalloc(tmsize_t size)
-{
- return FXMEM_DefaultAlloc(size, 0);
+void* _TIFFmalloc(tmsize_t size) {
+ return FXMEM_DefaultAlloc(size, 0);
}
-void _TIFFfree(void* ptr)
-{
- FXMEM_DefaultFree(ptr, 0);
+void _TIFFfree(void* ptr) {
+ FXMEM_DefaultFree(ptr, 0);
}
-void* _TIFFrealloc(void* ptr, tmsize_t size)
-{
- return FXMEM_DefaultRealloc(ptr, size, 0);
+void* _TIFFrealloc(void* ptr, tmsize_t size) {
+ return FXMEM_DefaultRealloc(ptr, size, 0);
}
-void _TIFFmemset(void* ptr, int val, tmsize_t size)
-{
- FXSYS_memset(ptr, val, (size_t)size);
+void _TIFFmemset(void* ptr, int val, tmsize_t size) {
+ FXSYS_memset(ptr, val, (size_t)size);
}
-void _TIFFmemcpy(void* des, const void* src, tmsize_t size)
-{
- FXSYS_memcpy(des, src, (size_t)size);
+void _TIFFmemcpy(void* des, const void* src, tmsize_t size) {
+ FXSYS_memcpy(des, src, (size_t)size);
}
-int _TIFFmemcmp(const void* ptr1, const void* ptr2, tmsize_t size)
-{
- return FXSYS_memcmp(ptr1, ptr2, (size_t)size);
+int _TIFFmemcmp(const void* ptr1, const void* ptr2, tmsize_t size) {
+ return FXSYS_memcmp(ptr1, ptr2, (size_t)size);
}
-static void _tiff_warning_ext(thandle_t context, const char* module, const char* fmt, va_list ap)
-{
- if(module != NULL) {
- }
+static void _tiff_warning_ext(thandle_t context,
+ const char* module,
+ const char* fmt,
+ va_list ap) {
+ if (module != NULL) {
+ }
}
TIFFErrorHandlerExt _TIFFwarningHandlerExt = _tiff_warning_ext;
-static void _tiff_error_ext(thandle_t context, const char* module, const char* fmt, va_list ap)
-{
- if(module != NULL) {
- }
+static void _tiff_error_ext(thandle_t context,
+ const char* module,
+ const char* fmt,
+ va_list ap) {
+ if (module != NULL) {
+ }
}
TIFFErrorHandlerExt _TIFFerrorHandlerExt = _tiff_error_ext;
-int TIFFCmyk2Rgb(thandle_t context, uint8 c, uint8 m, uint8 y, uint8 k, uint8* r, uint8* g, uint8* b)
-{
- if(context == NULL) {
- return 0;
- }
- CCodec_TiffContext* p = (CCodec_TiffContext*)context;
- if(p->icc_ctx) {
- unsigned char cmyk[4], bgr[3];
- cmyk[0] = c, cmyk[1] = m, cmyk[2] = y, cmyk[3] = k;
- IccLib_TranslateImage(p->icc_ctx, bgr, cmyk, 1);
- *r = bgr[2], *g = bgr[1], *b = bgr[0];
- } else {
- AdobeCMYK_to_sRGB1(c, m, y, k, *r, *g, *b);
- }
- return 1;
-}
-FX_BOOL CCodec_TiffContext::InitDecoder(IFX_FileRead* file_ptr)
-{
- io.in = file_ptr;
- tif_ctx = _tiff_open(this, "r");
- if(tif_ctx == NULL) {
- return FALSE;
- }
- return TRUE;
-}
-void CCodec_TiffContext::GetFrames(int32_t& frames)
-{
- frames = frame_num = TIFFNumberOfDirectories(tif_ctx);
-}
-#define TIFF_EXIF_GETINFO(key, T, tag) {\
- T val = (T)0;\
- TIFFGetField(tif_ctx,tag,&val);\
- if (val) {\
- (key) = FX_Alloc(uint8_t,sizeof(T));\
- if ((key)) {\
- T* ptr = (T*)(key);\
- *ptr = val;\
- pExif->m_TagVal.SetAt(tag,(key));}}}\
- (key) = NULL;
-#define TIFF_EXIF_GETSTRINGINFO(key, tag) {\
- FX_DWORD size = 0;\
- uint8_t* buf = NULL;\
- TIFFGetField(tif_ctx,tag,&size, &buf);\
- if (size && buf) {\
- (key) = FX_Alloc(uint8_t,size);\
- if ((key)) {\
- FXSYS_memcpy((key),buf,size);\
- pExif->m_TagVal.SetAt(tag,(key));}}}\
- (key) = NULL;
-template <class T>
-static FX_BOOL Tiff_Exif_GetInfo(TIFF* tif_ctx, ttag_t tag, CFX_DIBAttributeExif* pExif)
-{
- uint8_t* key = NULL;
- T val = (T)0;
- TIFFGetField(tif_ctx, tag, &val);
- if (val) {
- (key) = FX_Alloc(uint8_t, sizeof(T));
- if ((key) == NULL) {
- return FALSE;
- }
- T* ptr = (T*)(key);
- *ptr = val;
- pExif->m_TagVal.SetAt(tag, (key));
- return TRUE;
- }
+int TIFFCmyk2Rgb(thandle_t context,
+ uint8 c,
+ uint8 m,
+ uint8 y,
+ uint8 k,
+ uint8* r,
+ uint8* g,
+ uint8* b) {
+ if (context == NULL) {
+ return 0;
+ }
+ CCodec_TiffContext* p = (CCodec_TiffContext*)context;
+ if (p->icc_ctx) {
+ unsigned char cmyk[4], bgr[3];
+ cmyk[0] = c, cmyk[1] = m, cmyk[2] = y, cmyk[3] = k;
+ IccLib_TranslateImage(p->icc_ctx, bgr, cmyk, 1);
+ *r = bgr[2], *g = bgr[1], *b = bgr[0];
+ } else {
+ AdobeCMYK_to_sRGB1(c, m, y, k, *r, *g, *b);
+ }
+ return 1;
+}
+FX_BOOL CCodec_TiffContext::InitDecoder(IFX_FileRead* file_ptr) {
+ io.in = file_ptr;
+ tif_ctx = _tiff_open(this, "r");
+ if (tif_ctx == NULL) {
return FALSE;
-}
-static void Tiff_Exif_GetStringInfo(TIFF* tif_ctx, ttag_t tag, CFX_DIBAttributeExif* pExif)
-{
- FX_CHAR* buf = NULL;
- uint8_t* key = NULL;
- TIFFGetField(tif_ctx, tag, &buf);
- if (buf) {
- int32_t size = (int32_t)FXSYS_strlen(buf);
- (key) = FX_Alloc(uint8_t, size + 1);
- if ((key) == NULL) {
- return;
- }
- FXSYS_memcpy((key), buf, size);
- key[size] = 0;
- pExif->m_TagVal.SetAt(tag, (key));
- }
-}
-FX_BOOL CCodec_TiffContext::LoadFrameInfo(int32_t frame, FX_DWORD& width, FX_DWORD& height, FX_DWORD& comps, FX_DWORD& bpc, CFX_DIBAttribute* pAttribute)
-{
- if (!TIFFSetDirectory(tif_ctx, (uint16)frame)) {
- return FALSE;
- }
- FX_WORD tif_cs;
- FX_DWORD tif_icc_size = 0;
- uint8_t* tif_icc_buf = NULL;
- FX_WORD tif_bpc = 0;
- FX_WORD tif_cps;
- FX_DWORD tif_rps;
- width = height = comps = 0;
- TIFFGetField(tif_ctx, TIFFTAG_IMAGEWIDTH, &width);
- TIFFGetField(tif_ctx, TIFFTAG_IMAGELENGTH, &height);
- TIFFGetField(tif_ctx, TIFFTAG_SAMPLESPERPIXEL, &comps);
- TIFFGetField(tif_ctx, TIFFTAG_BITSPERSAMPLE, &tif_bpc);
- TIFFGetField(tif_ctx, TIFFTAG_PHOTOMETRIC, &tif_cs);
- TIFFGetField(tif_ctx, TIFFTAG_COMPRESSION, &tif_cps);
- TIFFGetField(tif_ctx, TIFFTAG_ROWSPERSTRIP, &tif_rps);
- TIFFGetField(tif_ctx, TIFFTAG_ICCPROFILE, &tif_icc_size, &tif_icc_buf);
- if (pAttribute) {
- pAttribute->m_wDPIUnit = FXCODEC_RESUNIT_INCH;
- if (TIFFGetField(tif_ctx, TIFFTAG_RESOLUTIONUNIT, &pAttribute->m_wDPIUnit)) {
- pAttribute->m_wDPIUnit -= 1;
- }
- CFX_DIBAttributeExif* pExif = (CFX_DIBAttributeExif*)pAttribute->m_pExif;
- pExif->clear();
- Tiff_Exif_GetInfo<FX_WORD>(tif_ctx, TIFFTAG_ORIENTATION, pExif);
- if (Tiff_Exif_GetInfo<FX_FLOAT>(tif_ctx, TIFFTAG_XRESOLUTION, pExif)) {
- FX_FLOAT fDpi = 0;
- pExif->GetInfo(TIFFTAG_XRESOLUTION, &fDpi);
- pAttribute->m_nXDPI = (int32_t)(fDpi + 0.5f);
- }
- if (Tiff_Exif_GetInfo<FX_FLOAT>(tif_ctx, TIFFTAG_YRESOLUTION, pExif)) {
- FX_FLOAT fDpi = 0;
- pExif->GetInfo(TIFFTAG_YRESOLUTION, &fDpi);
- pAttribute->m_nYDPI = (int32_t)(fDpi + 0.5f);
- }
- Tiff_Exif_GetStringInfo(tif_ctx, TIFFTAG_IMAGEDESCRIPTION, pExif);
- Tiff_Exif_GetStringInfo(tif_ctx, TIFFTAG_MAKE, pExif);
- Tiff_Exif_GetStringInfo(tif_ctx, TIFFTAG_MODEL, pExif);
- }
- bpc = tif_bpc;
- if(tif_rps > height) {
- TIFFSetField(tif_ctx, TIFFTAG_ROWSPERSTRIP, tif_rps = height);
- }
+ }
+ return TRUE;
+}
+void CCodec_TiffContext::GetFrames(int32_t& frames) {
+ frames = frame_num = TIFFNumberOfDirectories(tif_ctx);
+}
+#define TIFF_EXIF_GETINFO(key, T, tag) \
+ { \
+ T val = (T)0; \
+ TIFFGetField(tif_ctx, tag, &val); \
+ if (val) { \
+ (key) = FX_Alloc(uint8_t, sizeof(T)); \
+ if ((key)) { \
+ T* ptr = (T*)(key); \
+ *ptr = val; \
+ pExif->m_TagVal.SetAt(tag, (key)); \
+ } \
+ } \
+ } \
+ (key) = NULL;
+#define TIFF_EXIF_GETSTRINGINFO(key, tag) \
+ { \
+ FX_DWORD size = 0; \
+ uint8_t* buf = NULL; \
+ TIFFGetField(tif_ctx, tag, &size, &buf); \
+ if (size && buf) { \
+ (key) = FX_Alloc(uint8_t, size); \
+ if ((key)) { \
+ FXSYS_memcpy((key), buf, size); \
+ pExif->m_TagVal.SetAt(tag, (key)); \
+ } \
+ } \
+ } \
+ (key) = NULL;
+template <class T>
+static FX_BOOL Tiff_Exif_GetInfo(TIFF* tif_ctx,
+ ttag_t tag,
+ CFX_DIBAttributeExif* pExif) {
+ uint8_t* key = NULL;
+ T val = (T)0;
+ TIFFGetField(tif_ctx, tag, &val);
+ if (val) {
+ (key) = FX_Alloc(uint8_t, sizeof(T));
+ if ((key) == NULL) {
+ return FALSE;
+ }
+ T* ptr = (T*)(key);
+ *ptr = val;
+ pExif->m_TagVal.SetAt(tag, (key));
return TRUE;
-}
-void _TiffBGRA2RGBA(uint8_t* pBuf, int32_t pixel, int32_t spp)
-{
- register uint8_t tmp;
- for (int32_t n = 0; n < pixel; n++) {
- tmp = pBuf[0];
- pBuf[0] = pBuf[2];
- pBuf[2] = tmp;
- pBuf += spp;
- }
-}
-FX_BOOL CCodec_TiffContext::isSupport(CFX_DIBitmap* pDIBitmap)
-{
- if (TIFFIsTiled(tif_ctx)) {
+ }
+ return FALSE;
+}
+static void Tiff_Exif_GetStringInfo(TIFF* tif_ctx,
+ ttag_t tag,
+ CFX_DIBAttributeExif* pExif) {
+ FX_CHAR* buf = NULL;
+ uint8_t* key = NULL;
+ TIFFGetField(tif_ctx, tag, &buf);
+ if (buf) {
+ int32_t size = (int32_t)FXSYS_strlen(buf);
+ (key) = FX_Alloc(uint8_t, size + 1);
+ if ((key) == NULL) {
+ return;
+ }
+ FXSYS_memcpy((key), buf, size);
+ key[size] = 0;
+ pExif->m_TagVal.SetAt(tag, (key));
+ }
+}
+FX_BOOL CCodec_TiffContext::LoadFrameInfo(int32_t frame,
+ FX_DWORD& width,
+ FX_DWORD& height,
+ FX_DWORD& comps,
+ FX_DWORD& bpc,
+ CFX_DIBAttribute* pAttribute) {
+ if (!TIFFSetDirectory(tif_ctx, (uint16)frame)) {
+ return FALSE;
+ }
+ FX_WORD tif_cs;
+ FX_DWORD tif_icc_size = 0;
+ uint8_t* tif_icc_buf = NULL;
+ FX_WORD tif_bpc = 0;
+ FX_WORD tif_cps;
+ FX_DWORD tif_rps;
+ width = height = comps = 0;
+ TIFFGetField(tif_ctx, TIFFTAG_IMAGEWIDTH, &width);
+ TIFFGetField(tif_ctx, TIFFTAG_IMAGELENGTH, &height);
+ TIFFGetField(tif_ctx, TIFFTAG_SAMPLESPERPIXEL, &comps);
+ TIFFGetField(tif_ctx, TIFFTAG_BITSPERSAMPLE, &tif_bpc);
+ TIFFGetField(tif_ctx, TIFFTAG_PHOTOMETRIC, &tif_cs);
+ TIFFGetField(tif_ctx, TIFFTAG_COMPRESSION, &tif_cps);
+ TIFFGetField(tif_ctx, TIFFTAG_ROWSPERSTRIP, &tif_rps);
+ TIFFGetField(tif_ctx, TIFFTAG_ICCPROFILE, &tif_icc_size, &tif_icc_buf);
+ if (pAttribute) {
+ pAttribute->m_wDPIUnit = FXCODEC_RESUNIT_INCH;
+ if (TIFFGetField(tif_ctx, TIFFTAG_RESOLUTIONUNIT,
+ &pAttribute->m_wDPIUnit)) {
+ pAttribute->m_wDPIUnit -= 1;
+ }
+ CFX_DIBAttributeExif* pExif = (CFX_DIBAttributeExif*)pAttribute->m_pExif;
+ pExif->clear();
+ Tiff_Exif_GetInfo<FX_WORD>(tif_ctx, TIFFTAG_ORIENTATION, pExif);
+ if (Tiff_Exif_GetInfo<FX_FLOAT>(tif_ctx, TIFFTAG_XRESOLUTION, pExif)) {
+ FX_FLOAT fDpi = 0;
+ pExif->GetInfo(TIFFTAG_XRESOLUTION, &fDpi);
+ pAttribute->m_nXDPI = (int32_t)(fDpi + 0.5f);
+ }
+ if (Tiff_Exif_GetInfo<FX_FLOAT>(tif_ctx, TIFFTAG_YRESOLUTION, pExif)) {
+ FX_FLOAT fDpi = 0;
+ pExif->GetInfo(TIFFTAG_YRESOLUTION, &fDpi);
+ pAttribute->m_nYDPI = (int32_t)(fDpi + 0.5f);
+ }
+ Tiff_Exif_GetStringInfo(tif_ctx, TIFFTAG_IMAGEDESCRIPTION, pExif);
+ Tiff_Exif_GetStringInfo(tif_ctx, TIFFTAG_MAKE, pExif);
+ Tiff_Exif_GetStringInfo(tif_ctx, TIFFTAG_MODEL, pExif);
+ }
+ bpc = tif_bpc;
+ if (tif_rps > height) {
+ TIFFSetField(tif_ctx, TIFFTAG_ROWSPERSTRIP, tif_rps = height);
+ }
+ return TRUE;
+}
+void _TiffBGRA2RGBA(uint8_t* pBuf, int32_t pixel, int32_t spp) {
+ register uint8_t tmp;
+ for (int32_t n = 0; n < pixel; n++) {
+ tmp = pBuf[0];
+ pBuf[0] = pBuf[2];
+ pBuf[2] = tmp;
+ pBuf += spp;
+ }
+}
+FX_BOOL CCodec_TiffContext::isSupport(CFX_DIBitmap* pDIBitmap) {
+ if (TIFFIsTiled(tif_ctx)) {
+ return FALSE;
+ }
+ uint16_t photometric;
+ if (!TIFFGetField(tif_ctx, TIFFTAG_PHOTOMETRIC, &photometric)) {
+ return FALSE;
+ }
+ switch (pDIBitmap->GetBPP()) {
+ case 1:
+ case 8:
+ if (photometric != PHOTOMETRIC_PALETTE) {
return FALSE;
- }
- uint16_t photometric;
- if (!TIFFGetField(tif_ctx, TIFFTAG_PHOTOMETRIC, &photometric)) {
+ }
+ break;
+ case 24:
+ if (photometric != PHOTOMETRIC_RGB) {
return FALSE;
- }
- switch (pDIBitmap->GetBPP()) {
- case 1:
+ }
+ break;
+ default:
+ return FALSE;
+ }
+ uint16_t planarconfig;
+ if (!TIFFGetFieldDefaulted(tif_ctx, TIFFTAG_PLANARCONFIG, &planarconfig)) {
+ return FALSE;
+ }
+ if (planarconfig == PLANARCONFIG_SEPARATE) {
+ return FALSE;
+ }
+ return TRUE;
+}
+void CCodec_TiffContext::SetPalette(CFX_DIBitmap* pDIBitmap, uint16_t bps) {
+ uint16_t *red_orig, *green_orig, *blue_orig;
+ TIFFGetField(tif_ctx, TIFFTAG_COLORMAP, &red_orig, &green_orig, &blue_orig);
+ for (int32_t i = (1L << bps) - 1; i >= 0; i--) {
+#define CVT(x) ((uint16_t)((x) >> 8))
+ red_orig[i] = CVT(red_orig[i]);
+ green_orig[i] = CVT(green_orig[i]);
+ blue_orig[i] = CVT(blue_orig[i]);
+#undef CVT
+ }
+ int32_t len = 1 << bps;
+ for (int32_t index = 0; index < len; index++) {
+ FX_DWORD r = red_orig[index] & 0xFF;
+ FX_DWORD g = green_orig[index] & 0xFF;
+ FX_DWORD b = blue_orig[index] & 0xFF;
+ FX_DWORD color = (uint32_t)b | ((uint32_t)g << 8) | ((uint32_t)r << 16) |
+ (((uint32)0xffL) << 24);
+ pDIBitmap->SetPaletteEntry(index, color);
+ }
+}
+FX_BOOL CCodec_TiffContext::Decode1bppRGB(CFX_DIBitmap* pDIBitmap,
+ int32_t height,
+ int32_t width,
+ uint16_t bps,
+ uint16_t spp) {
+ if (pDIBitmap->GetBPP() != 1 || spp != 1 || bps != 1 ||
+ !isSupport(pDIBitmap)) {
+ return FALSE;
+ }
+ SetPalette(pDIBitmap, bps);
+ int32_t size = (int32_t)TIFFScanlineSize(tif_ctx);
+ uint8_t* buf = (uint8_t*)_TIFFmalloc(size);
+ if (buf == NULL) {
+ TIFFError(TIFFFileName(tif_ctx), "No space for scanline buffer");
+ return FALSE;
+ }
+ uint8_t* bitMapbuffer = (uint8_t*)pDIBitmap->GetBuffer();
+ FX_DWORD pitch = pDIBitmap->GetPitch();
+ for (int32_t row = 0; row < height; row++) {
+ TIFFReadScanline(tif_ctx, buf, row, 0);
+ for (int32_t j = 0; j < size; j++) {
+ bitMapbuffer[row * pitch + j] = buf[j];
+ }
+ }
+ _TIFFfree(buf);
+ return TRUE;
+}
+FX_BOOL CCodec_TiffContext::Decode8bppRGB(CFX_DIBitmap* pDIBitmap,
+ int32_t height,
+ int32_t width,
+ uint16_t bps,
+ uint16_t spp) {
+ if (pDIBitmap->GetBPP() != 8 || spp != 1 || (bps != 4 && bps != 8) ||
+ !isSupport(pDIBitmap)) {
+ return FALSE;
+ }
+ SetPalette(pDIBitmap, bps);
+ int32_t size = (int32_t)TIFFScanlineSize(tif_ctx);
+ uint8_t* buf = (uint8_t*)_TIFFmalloc(size);
+ if (buf == NULL) {
+ TIFFError(TIFFFileName(tif_ctx), "No space for scanline buffer");
+ return FALSE;
+ }
+ uint8_t* bitMapbuffer = (uint8_t*)pDIBitmap->GetBuffer();
+ FX_DWORD pitch = pDIBitmap->GetPitch();
+ for (int32_t row = 0; row < height; row++) {
+ TIFFReadScanline(tif_ctx, buf, row, 0);
+ for (int32_t j = 0; j < size; j++) {
+ switch (bps) {
+ case 4:
+ bitMapbuffer[row * pitch + 2 * j + 0] = (buf[j] & 0xF0) >> 4;
+ bitMapbuffer[row * pitch + 2 * j + 1] = (buf[j] & 0x0F) >> 0;
+ break;
case 8:
- if (photometric != PHOTOMETRIC_PALETTE) {
- return FALSE;
- }
- break;
- case 24:
- if (photometric != PHOTOMETRIC_RGB) {
- return FALSE;
- }
- break;
- default:
- return FALSE;
- }
- uint16_t planarconfig;
- if (!TIFFGetFieldDefaulted(tif_ctx, TIFFTAG_PLANARCONFIG, &planarconfig)) {
- return FALSE;
- }
- if (planarconfig == PLANARCONFIG_SEPARATE) {
- return FALSE;
- }
- return TRUE;
-}
-void CCodec_TiffContext::SetPalette(CFX_DIBitmap* pDIBitmap, uint16_t bps)
-{
- uint16_t *red_orig, *green_orig, *blue_orig;
- TIFFGetField(tif_ctx, TIFFTAG_COLORMAP, &red_orig, &green_orig, &blue_orig);
- for (int32_t i = (1L << bps) - 1; i >= 0; i--) {
-#define CVT(x) ((uint16_t)((x)>>8))
- red_orig[i] = CVT(red_orig[i]);
- green_orig[i] = CVT(green_orig[i]);
- blue_orig[i] = CVT(blue_orig[i]);
-#undef CVT
- }
- int32_t len = 1 << bps;
- for(int32_t index = 0; index < len; index++) {
- FX_DWORD r = red_orig[index] & 0xFF;
- FX_DWORD g = green_orig[index] & 0xFF;
- FX_DWORD b = blue_orig[index] & 0xFF;
- FX_DWORD color = (uint32_t)b | ((uint32_t)g << 8) | ((uint32_t)r << 16) | (((uint32)0xffL) << 24);
- pDIBitmap->SetPaletteEntry(index, color);
- }
-}
-FX_BOOL CCodec_TiffContext::Decode1bppRGB(CFX_DIBitmap* pDIBitmap, int32_t height, int32_t width, uint16_t bps, uint16_t spp)
-{
- if (pDIBitmap->GetBPP() != 1 || spp != 1 || bps != 1 || !isSupport(pDIBitmap)) {
- return FALSE;
- }
- SetPalette(pDIBitmap, bps);
- int32_t size = (int32_t)TIFFScanlineSize(tif_ctx);
- uint8_t* buf = (uint8_t*)_TIFFmalloc(size);
- if (buf == NULL) {
- TIFFError(TIFFFileName(tif_ctx), "No space for scanline buffer");
- return FALSE;
- }
- uint8_t* bitMapbuffer = (uint8_t*)pDIBitmap->GetBuffer();
- FX_DWORD pitch = pDIBitmap->GetPitch();
- for(int32_t row = 0; row < height; row++) {
- TIFFReadScanline(tif_ctx, buf, row, 0);
- for(int32_t j = 0; j < size; j++) {
- bitMapbuffer[row * pitch + j] = buf[j];
- }
- }
- _TIFFfree(buf);
- return TRUE;
-}
-FX_BOOL CCodec_TiffContext::Decode8bppRGB(CFX_DIBitmap* pDIBitmap, int32_t height, int32_t width, uint16_t bps, uint16_t spp)
-{
- if (pDIBitmap->GetBPP() != 8 || spp != 1 || (bps != 4 && bps != 8) || !isSupport(pDIBitmap)) {
- return FALSE;
- }
- SetPalette(pDIBitmap, bps);
- int32_t size = (int32_t)TIFFScanlineSize(tif_ctx);
- uint8_t* buf = (uint8_t*)_TIFFmalloc(size);
- if (buf == NULL) {
- TIFFError(TIFFFileName(tif_ctx), "No space for scanline buffer");
- return FALSE;
- }
- uint8_t* bitMapbuffer = (uint8_t*)pDIBitmap->GetBuffer();
- FX_DWORD pitch = pDIBitmap->GetPitch();
- for(int32_t row = 0; row < height; row++) {
- TIFFReadScanline(tif_ctx, buf, row, 0);
- for(int32_t j = 0; j < size; j++) {
- switch(bps) {
- case 4:
- bitMapbuffer[row * pitch + 2 * j + 0] = (buf[j] & 0xF0) >> 4;
- bitMapbuffer[row * pitch + 2 * j + 1] = (buf[j] & 0x0F) >> 0;
- break;
- case 8:
- bitMapbuffer[row * pitch + j] = buf[j];
- break;
- }
- }
- }
- _TIFFfree(buf);
- return TRUE;
-}
-FX_BOOL CCodec_TiffContext::Decode24bppRGB(CFX_DIBitmap* pDIBitmap, int32_t height, int32_t width, uint16_t bps, uint16_t spp)
-{
- if (pDIBitmap->GetBPP() != 24 || !isSupport(pDIBitmap)) {
- return FALSE;
- }
- int32_t size = (int32_t)TIFFScanlineSize(tif_ctx);
- uint8_t* buf = (uint8_t*)_TIFFmalloc(size);
- if (buf == NULL) {
- TIFFError(TIFFFileName(tif_ctx), "No space for scanline buffer");
- return FALSE;
- }
- uint8_t* bitMapbuffer = (uint8_t*)pDIBitmap->GetBuffer();
- FX_DWORD pitch = pDIBitmap->GetPitch();
- for(int32_t row = 0; row < height; row++) {
- TIFFReadScanline(tif_ctx, buf, row, 0);
- for(int32_t j = 0; j < size - 2; j += 3) {
- bitMapbuffer[row * pitch + j + 0] = buf[j + 2];
- bitMapbuffer[row * pitch + j + 1] = buf[j + 1];
- bitMapbuffer[row * pitch + j + 2] = buf[j + 0];
- }
- }
- _TIFFfree(buf);
- return TRUE;
-}
-FX_BOOL CCodec_TiffContext::Decode(CFX_DIBitmap* pDIBitmap)
-{
- FX_DWORD img_wid = pDIBitmap->GetWidth();
- FX_DWORD img_hei = pDIBitmap->GetHeight();
- FX_DWORD width = 0;
- FX_DWORD height = 0;
- TIFFGetField(tif_ctx, TIFFTAG_IMAGEWIDTH, &width);
- TIFFGetField(tif_ctx, TIFFTAG_IMAGELENGTH, &height);
- if (img_wid != width || img_hei != height) {
- return FALSE;
- }
- if (pDIBitmap->GetBPP() == 32) {
- FX_WORD rotation = ORIENTATION_TOPLEFT;
- TIFFGetField(tif_ctx, TIFFTAG_ORIENTATION, &rotation);
- if(TIFFReadRGBAImageOriented(tif_ctx, img_wid, img_hei,
- (uint32*)pDIBitmap->GetBuffer(), rotation, 1)) {
- for (FX_DWORD row = 0; row < img_hei; row++) {
- uint8_t* row_buf = (uint8_t*)pDIBitmap->GetScanline(row);
- _TiffBGRA2RGBA(row_buf, img_wid, 4);
- }
- return TRUE;
- }
- }
- uint16_t spp, bps;
- TIFFGetField(tif_ctx, TIFFTAG_SAMPLESPERPIXEL, &spp);
- TIFFGetField(tif_ctx, TIFFTAG_BITSPERSAMPLE, &bps);
- FX_DWORD bpp = bps * spp;
- if (bpp == 1) {
- return Decode1bppRGB(pDIBitmap, height, width, bps, spp);
- } else if (bpp <= 8) {
- return Decode8bppRGB(pDIBitmap, height, width, bps, spp);
- } else if (bpp <= 24) {
- return Decode24bppRGB(pDIBitmap, height, width, bps, spp);
- }
+ bitMapbuffer[row * pitch + j] = buf[j];
+ break;
+ }
+ }
+ }
+ _TIFFfree(buf);
+ return TRUE;
+}
+FX_BOOL CCodec_TiffContext::Decode24bppRGB(CFX_DIBitmap* pDIBitmap,
+ int32_t height,
+ int32_t width,
+ uint16_t bps,
+ uint16_t spp) {
+ if (pDIBitmap->GetBPP() != 24 || !isSupport(pDIBitmap)) {
return FALSE;
-}
-void* CCodec_TiffModule::CreateDecoder(IFX_FileRead* file_ptr)
-{
- CCodec_TiffContext* pDecoder = new CCodec_TiffContext;
- if (!pDecoder->InitDecoder(file_ptr)) {
- delete pDecoder;
- return NULL;
- }
- return pDecoder;
-}
-void CCodec_TiffModule::GetFrames(void* ctx, int32_t& frames)
-{
- CCodec_TiffContext* pDecoder = (CCodec_TiffContext*)ctx;
- pDecoder->GetFrames(frames);
-}
-FX_BOOL CCodec_TiffModule::LoadFrameInfo(void* ctx, int32_t frame, FX_DWORD& width, FX_DWORD& height, FX_DWORD& comps, FX_DWORD& bpc, CFX_DIBAttribute* pAttribute)
-{
- CCodec_TiffContext* pDecoder = (CCodec_TiffContext*)ctx;
- return pDecoder->LoadFrameInfo(frame, width, height, comps, bpc, pAttribute);
-}
-FX_BOOL CCodec_TiffModule::Decode(void* ctx, class CFX_DIBitmap* pDIBitmap)
-{
- CCodec_TiffContext* pDecoder = (CCodec_TiffContext*)ctx;
- return pDecoder->Decode(pDIBitmap);
-}
-void CCodec_TiffModule::DestroyDecoder(void* ctx)
-{
- CCodec_TiffContext* pDecoder = (CCodec_TiffContext*)ctx;
+ }
+ int32_t size = (int32_t)TIFFScanlineSize(tif_ctx);
+ uint8_t* buf = (uint8_t*)_TIFFmalloc(size);
+ if (buf == NULL) {
+ TIFFError(TIFFFileName(tif_ctx), "No space for scanline buffer");
+ return FALSE;
+ }
+ uint8_t* bitMapbuffer = (uint8_t*)pDIBitmap->GetBuffer();
+ FX_DWORD pitch = pDIBitmap->GetPitch();
+ for (int32_t row = 0; row < height; row++) {
+ TIFFReadScanline(tif_ctx, buf, row, 0);
+ for (int32_t j = 0; j < size - 2; j += 3) {
+ bitMapbuffer[row * pitch + j + 0] = buf[j + 2];
+ bitMapbuffer[row * pitch + j + 1] = buf[j + 1];
+ bitMapbuffer[row * pitch + j + 2] = buf[j + 0];
+ }
+ }
+ _TIFFfree(buf);
+ return TRUE;
+}
+FX_BOOL CCodec_TiffContext::Decode(CFX_DIBitmap* pDIBitmap) {
+ FX_DWORD img_wid = pDIBitmap->GetWidth();
+ FX_DWORD img_hei = pDIBitmap->GetHeight();
+ FX_DWORD width = 0;
+ FX_DWORD height = 0;
+ TIFFGetField(tif_ctx, TIFFTAG_IMAGEWIDTH, &width);
+ TIFFGetField(tif_ctx, TIFFTAG_IMAGELENGTH, &height);
+ if (img_wid != width || img_hei != height) {
+ return FALSE;
+ }
+ if (pDIBitmap->GetBPP() == 32) {
+ FX_WORD rotation = ORIENTATION_TOPLEFT;
+ TIFFGetField(tif_ctx, TIFFTAG_ORIENTATION, &rotation);
+ if (TIFFReadRGBAImageOriented(tif_ctx, img_wid, img_hei,
+ (uint32*)pDIBitmap->GetBuffer(), rotation,
+ 1)) {
+ for (FX_DWORD row = 0; row < img_hei; row++) {
+ uint8_t* row_buf = (uint8_t*)pDIBitmap->GetScanline(row);
+ _TiffBGRA2RGBA(row_buf, img_wid, 4);
+ }
+ return TRUE;
+ }
+ }
+ uint16_t spp, bps;
+ TIFFGetField(tif_ctx, TIFFTAG_SAMPLESPERPIXEL, &spp);
+ TIFFGetField(tif_ctx, TIFFTAG_BITSPERSAMPLE, &bps);
+ FX_DWORD bpp = bps * spp;
+ if (bpp == 1) {
+ return Decode1bppRGB(pDIBitmap, height, width, bps, spp);
+ } else if (bpp <= 8) {
+ return Decode8bppRGB(pDIBitmap, height, width, bps, spp);
+ } else if (bpp <= 24) {
+ return Decode24bppRGB(pDIBitmap, height, width, bps, spp);
+ }
+ return FALSE;
+}
+void* CCodec_TiffModule::CreateDecoder(IFX_FileRead* file_ptr) {
+ CCodec_TiffContext* pDecoder = new CCodec_TiffContext;
+ if (!pDecoder->InitDecoder(file_ptr)) {
delete pDecoder;
+ return NULL;
+ }
+ return pDecoder;
+}
+void CCodec_TiffModule::GetFrames(void* ctx, int32_t& frames) {
+ CCodec_TiffContext* pDecoder = (CCodec_TiffContext*)ctx;
+ pDecoder->GetFrames(frames);
+}
+FX_BOOL CCodec_TiffModule::LoadFrameInfo(void* ctx,
+ int32_t frame,
+ FX_DWORD& width,
+ FX_DWORD& height,
+ FX_DWORD& comps,
+ FX_DWORD& bpc,
+ CFX_DIBAttribute* pAttribute) {
+ CCodec_TiffContext* pDecoder = (CCodec_TiffContext*)ctx;
+ return pDecoder->LoadFrameInfo(frame, width, height, comps, bpc, pAttribute);
+}
+FX_BOOL CCodec_TiffModule::Decode(void* ctx, class CFX_DIBitmap* pDIBitmap) {
+ CCodec_TiffContext* pDecoder = (CCodec_TiffContext*)ctx;
+ return pDecoder->Decode(pDIBitmap);
+}
+void CCodec_TiffModule::DestroyDecoder(void* ctx) {
+ CCodec_TiffContext* pDecoder = (CCodec_TiffContext*)ctx;
+ delete pDecoder;
}
diff --git a/core/src/fxcodec/jbig2/JBig2_ArithDecoder.h b/core/src/fxcodec/jbig2/JBig2_ArithDecoder.h index 33bbe39d0d..0258014927 100644 --- a/core/src/fxcodec/jbig2/JBig2_ArithDecoder.h +++ b/core/src/fxcodec/jbig2/JBig2_ArithDecoder.h @@ -1,7 +1,7 @@ // Copyright 2014 PDFium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. - + // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com #ifndef _JBIG2_ARITHMETIC_DECODER_H_ @@ -10,121 +10,114 @@ #include "JBig2_BitStream.h" #include "JBig2_ArithQe.h" typedef struct { - unsigned int MPS; - unsigned int I; + unsigned int MPS; + unsigned int I; } JBig2ArithCtx; -class CJBig2_ArithDecoder : public CJBig2_Object -{ -public: - - CJBig2_ArithDecoder(CJBig2_BitStream *pStream); +class CJBig2_ArithDecoder : public CJBig2_Object { + public: + CJBig2_ArithDecoder(CJBig2_BitStream* pStream); - ~CJBig2_ArithDecoder(); + ~CJBig2_ArithDecoder(); - int DECODE(JBig2ArithCtx *pCX); -private: + int DECODE(JBig2ArithCtx* pCX); - void INITDEC(); + private: + void INITDEC(); - void BYTEIN(); - unsigned char B; - unsigned int C; - unsigned int A; - unsigned int CT; - CJBig2_BitStream *m_pStream; + void BYTEIN(); + unsigned char B; + unsigned int C; + unsigned int A; + unsigned int CT; + CJBig2_BitStream* m_pStream; }; -inline CJBig2_ArithDecoder::CJBig2_ArithDecoder(CJBig2_BitStream *pStream) -{ - m_pStream = pStream; - INITDEC(); -} -inline CJBig2_ArithDecoder::~CJBig2_ArithDecoder() -{ +inline CJBig2_ArithDecoder::CJBig2_ArithDecoder(CJBig2_BitStream* pStream) { + m_pStream = pStream; + INITDEC(); } -inline void CJBig2_ArithDecoder::INITDEC() -{ - B = m_pStream->getCurByte_arith(); - C = (B ^ 0xff) << 16;; - BYTEIN(); - C = C << 7; - CT = CT - 7; - A = 0x8000; +inline CJBig2_ArithDecoder::~CJBig2_ArithDecoder() {} +inline void CJBig2_ArithDecoder::INITDEC() { + B = m_pStream->getCurByte_arith(); + C = (B ^ 0xff) << 16; + ; + BYTEIN(); + C = C << 7; + CT = CT - 7; + A = 0x8000; } -inline void CJBig2_ArithDecoder::BYTEIN() -{ - unsigned char B1; - if(B == 0xff) { - B1 = m_pStream->getNextByte_arith(); - if(B1 > 0x8f) { - CT = 8; - } else { - m_pStream->incByteIdx(); - B = B1; - C = C + 0xfe00 - (B << 9); - CT = 7; - } +inline void CJBig2_ArithDecoder::BYTEIN() { + unsigned char B1; + if (B == 0xff) { + B1 = m_pStream->getNextByte_arith(); + if (B1 > 0x8f) { + CT = 8; } else { - m_pStream->incByteIdx(); - B = m_pStream->getCurByte_arith(); - C = C + 0xff00 - (B << 8); - CT = 8; + m_pStream->incByteIdx(); + B = B1; + C = C + 0xfe00 - (B << 9); + CT = 7; } + } else { + m_pStream->incByteIdx(); + B = m_pStream->getCurByte_arith(); + C = C + 0xff00 - (B << 8); + CT = 8; + } } -inline int CJBig2_ArithDecoder::DECODE(JBig2ArithCtx *pCX) -{ - if (!pCX || pCX->I >= JBIG2_QE_NUM) { - return 0; - } +inline int CJBig2_ArithDecoder::DECODE(JBig2ArithCtx* pCX) { + if (!pCX || pCX->I >= JBIG2_QE_NUM) { + return 0; + } - int D; - const JBig2ArithQe * qe = &QeTable[pCX->I]; - A = A - qe->Qe; - if((C >> 16) < A) { - if(A & 0x8000) { - D = pCX->MPS; - } else { - if(A < qe->Qe) { - D = 1 - pCX->MPS; - if(qe->nSwitch == 1) { - pCX->MPS = 1 - pCX->MPS; - } - pCX->I = qe->NLPS; - } else { - D = pCX->MPS; - pCX->I = qe->NMPS; - } - do { - if (CT == 0) { - BYTEIN(); - } - A <<= 1; - C <<= 1; - CT--; - } while ((A & 0x8000) == 0); - } + int D; + const JBig2ArithQe* qe = &QeTable[pCX->I]; + A = A - qe->Qe; + if ((C >> 16) < A) { + if (A & 0x8000) { + D = pCX->MPS; } else { - C -= A << 16; - if(A < qe->Qe) { - A = qe->Qe; - D = pCX->MPS; - pCX->I = qe->NMPS; - } else { - A = qe->Qe; - D = 1 - pCX->MPS; - if(qe->nSwitch == 1) { - pCX->MPS = 1 - pCX->MPS; - } - pCX->I = qe->NLPS; + if (A < qe->Qe) { + D = 1 - pCX->MPS; + if (qe->nSwitch == 1) { + pCX->MPS = 1 - pCX->MPS; + } + pCX->I = qe->NLPS; + } else { + D = pCX->MPS; + pCX->I = qe->NMPS; + } + do { + if (CT == 0) { + BYTEIN(); } - do { - if (CT == 0) { - BYTEIN(); - } - A <<= 1; - C <<= 1; - CT--; - } while ((A & 0x8000) == 0); + A <<= 1; + C <<= 1; + CT--; + } while ((A & 0x8000) == 0); + } + } else { + C -= A << 16; + if (A < qe->Qe) { + A = qe->Qe; + D = pCX->MPS; + pCX->I = qe->NMPS; + } else { + A = qe->Qe; + D = 1 - pCX->MPS; + if (qe->nSwitch == 1) { + pCX->MPS = 1 - pCX->MPS; + } + pCX->I = qe->NLPS; } - return D; + do { + if (CT == 0) { + BYTEIN(); + } + A <<= 1; + C <<= 1; + CT--; + } while ((A & 0x8000) == 0); + } + return D; } #endif diff --git a/core/src/fxcodec/jbig2/JBig2_ArithIntDecoder.cpp b/core/src/fxcodec/jbig2/JBig2_ArithIntDecoder.cpp index 1e115848a3..3aab2fb3e6 100644 --- a/core/src/fxcodec/jbig2/JBig2_ArithIntDecoder.cpp +++ b/core/src/fxcodec/jbig2/JBig2_ArithIntDecoder.cpp @@ -1,105 +1,102 @@ // Copyright 2014 PDFium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. - + // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com #include "JBig2_ArithIntDecoder.h" -CJBig2_ArithIntDecoder::CJBig2_ArithIntDecoder() -{ - IAx = (JBig2ArithCtx*)m_pModule->JBig2_Malloc2(sizeof(JBig2ArithCtx), 512); - JBIG2_memset(IAx, 0, sizeof(JBig2ArithCtx) * 512); +CJBig2_ArithIntDecoder::CJBig2_ArithIntDecoder() { + IAx = (JBig2ArithCtx*)m_pModule->JBig2_Malloc2(sizeof(JBig2ArithCtx), 512); + JBIG2_memset(IAx, 0, sizeof(JBig2ArithCtx) * 512); } -CJBig2_ArithIntDecoder::~CJBig2_ArithIntDecoder() -{ - m_pModule->JBig2_Free(IAx); +CJBig2_ArithIntDecoder::~CJBig2_ArithIntDecoder() { + m_pModule->JBig2_Free(IAx); } -int CJBig2_ArithIntDecoder::decode(CJBig2_ArithDecoder *pArithDecoder, int *nResult) -{ - int PREV, V; - int S, D; - int nNeedBits, nTemp, i; - PREV = 1; - S = pArithDecoder->DECODE(IAx + PREV); - PREV = (PREV << 1) | S; +int CJBig2_ArithIntDecoder::decode(CJBig2_ArithDecoder* pArithDecoder, + int* nResult) { + int PREV, V; + int S, D; + int nNeedBits, nTemp, i; + PREV = 1; + S = pArithDecoder->DECODE(IAx + PREV); + PREV = (PREV << 1) | S; + D = pArithDecoder->DECODE(IAx + PREV); + PREV = (PREV << 1) | D; + if (D) { D = pArithDecoder->DECODE(IAx + PREV); PREV = (PREV << 1) | D; - if(D) { + if (D) { + D = pArithDecoder->DECODE(IAx + PREV); + PREV = (PREV << 1) | D; + if (D) { D = pArithDecoder->DECODE(IAx + PREV); PREV = (PREV << 1) | D; - if(D) { - D = pArithDecoder->DECODE(IAx + PREV); - PREV = (PREV << 1) | D; - if(D) { - D = pArithDecoder->DECODE(IAx + PREV); - PREV = (PREV << 1) | D; - if(D) { - D = pArithDecoder->DECODE(IAx + PREV); - PREV = (PREV << 1) | D; - if(D) { - nNeedBits = 32; - V = 4436; - } else { - nNeedBits = 12; - V = 340; - } - } else { - nNeedBits = 8; - V = 84; - } - } else { - nNeedBits = 6; - V = 20; - } + if (D) { + D = pArithDecoder->DECODE(IAx + PREV); + PREV = (PREV << 1) | D; + if (D) { + nNeedBits = 32; + V = 4436; + } else { + nNeedBits = 12; + V = 340; + } } else { - nNeedBits = 4; - V = 4; + nNeedBits = 8; + V = 84; } + } else { + nNeedBits = 6; + V = 20; + } } else { - nNeedBits = 2; - V = 0; - } - nTemp = 0; - for(i = 0; i < nNeedBits; i++) { - D = pArithDecoder->DECODE(IAx + PREV); - if(PREV < 256) { - PREV = (PREV << 1) | D; - } else { - PREV = (((PREV << 1) | D) & 511) | 256; - } - nTemp = (nTemp << 1) | D; - } - V += nTemp; - if(S == 1 && V > 0) { - V = -V; + nNeedBits = 4; + V = 4; } - *nResult = V; - if(S == 1 && V == 0) { - return JBIG2_OOB; + } else { + nNeedBits = 2; + V = 0; + } + nTemp = 0; + for (i = 0; i < nNeedBits; i++) { + D = pArithDecoder->DECODE(IAx + PREV); + if (PREV < 256) { + PREV = (PREV << 1) | D; + } else { + PREV = (((PREV << 1) | D) & 511) | 256; } - return 0; + nTemp = (nTemp << 1) | D; + } + V += nTemp; + if (S == 1 && V > 0) { + V = -V; + } + *nResult = V; + if (S == 1 && V == 0) { + return JBIG2_OOB; + } + return 0; } -CJBig2_ArithIaidDecoder::CJBig2_ArithIaidDecoder(unsigned char SBSYMCODELENA) -{ - SBSYMCODELEN = SBSYMCODELENA; - IAID = (JBig2ArithCtx*)m_pModule->JBig2_Malloc2(sizeof(JBig2ArithCtx), (1 << SBSYMCODELEN)); - JBIG2_memset(IAID, 0, sizeof(JBig2ArithCtx) * (int)(1 << SBSYMCODELEN)); +CJBig2_ArithIaidDecoder::CJBig2_ArithIaidDecoder(unsigned char SBSYMCODELENA) { + SBSYMCODELEN = SBSYMCODELENA; + IAID = (JBig2ArithCtx*)m_pModule->JBig2_Malloc2(sizeof(JBig2ArithCtx), + (1 << SBSYMCODELEN)); + JBIG2_memset(IAID, 0, sizeof(JBig2ArithCtx) * (int)(1 << SBSYMCODELEN)); } -CJBig2_ArithIaidDecoder::~CJBig2_ArithIaidDecoder() -{ - m_pModule->JBig2_Free(IAID); +CJBig2_ArithIaidDecoder::~CJBig2_ArithIaidDecoder() { + m_pModule->JBig2_Free(IAID); } -int CJBig2_ArithIaidDecoder::decode(CJBig2_ArithDecoder *pArithDecoder, int *nResult) -{ - int PREV; - int D; - int i; - PREV = 1; - for(i = 0; i < SBSYMCODELEN; i++) { - D = pArithDecoder->DECODE(IAID + PREV); - PREV = (PREV << 1) | D; - } - PREV = PREV - (1 << SBSYMCODELEN); - *nResult = PREV; - return 0; +int CJBig2_ArithIaidDecoder::decode(CJBig2_ArithDecoder* pArithDecoder, + int* nResult) { + int PREV; + int D; + int i; + PREV = 1; + for (i = 0; i < SBSYMCODELEN; i++) { + D = pArithDecoder->DECODE(IAID + PREV); + PREV = (PREV << 1) | D; + } + PREV = PREV - (1 << SBSYMCODELEN); + *nResult = PREV; + return 0; } diff --git a/core/src/fxcodec/jbig2/JBig2_ArithIntDecoder.h b/core/src/fxcodec/jbig2/JBig2_ArithIntDecoder.h index 4ea104cf65..d024e7150f 100644 --- a/core/src/fxcodec/jbig2/JBig2_ArithIntDecoder.h +++ b/core/src/fxcodec/jbig2/JBig2_ArithIntDecoder.h @@ -1,39 +1,35 @@ // Copyright 2014 PDFium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. - + // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com #ifndef _JBIG2_ARITH_INT_DECODER_H_ #define _JBIG2_ARITH_INT_DECODER_H_ #include "JBig2_Module.h" #include "JBig2_ArithDecoder.h" -class CJBig2_ArithIntDecoder : public CJBig2_Object -{ -public: - - CJBig2_ArithIntDecoder(); +class CJBig2_ArithIntDecoder : public CJBig2_Object { + public: + CJBig2_ArithIntDecoder(); - ~CJBig2_ArithIntDecoder(); + ~CJBig2_ArithIntDecoder(); - int decode(CJBig2_ArithDecoder *pArithDecoder, int *nResult); -private: + int decode(CJBig2_ArithDecoder* pArithDecoder, int* nResult); - JBig2ArithCtx *IAx; + private: + JBig2ArithCtx* IAx; }; -class CJBig2_ArithIaidDecoder : public CJBig2_Object -{ -public: - - CJBig2_ArithIaidDecoder(unsigned char SBSYMCODELENA); +class CJBig2_ArithIaidDecoder : public CJBig2_Object { + public: + CJBig2_ArithIaidDecoder(unsigned char SBSYMCODELENA); - ~CJBig2_ArithIaidDecoder(); + ~CJBig2_ArithIaidDecoder(); - int decode(CJBig2_ArithDecoder *pArithDecoder, int *nResult); -private: + int decode(CJBig2_ArithDecoder* pArithDecoder, int* nResult); - JBig2ArithCtx *IAID; + private: + JBig2ArithCtx* IAID; - unsigned char SBSYMCODELEN; + unsigned char SBSYMCODELEN; }; #endif diff --git a/core/src/fxcodec/jbig2/JBig2_ArithQe.h b/core/src/fxcodec/jbig2/JBig2_ArithQe.h index 8a723bead0..d4eabec757 100644 --- a/core/src/fxcodec/jbig2/JBig2_ArithQe.h +++ b/core/src/fxcodec/jbig2/JBig2_ArithQe.h @@ -1,16 +1,16 @@ // Copyright 2014 PDFium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. - + // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com #ifndef _JBIG2_ARITH_QE_H_ #define _JBIG2_ARITH_QE_H_ typedef struct { - unsigned int Qe; - unsigned int NMPS; - unsigned int NLPS; - unsigned int nSwitch; + unsigned int Qe; + unsigned int NMPS; + unsigned int NLPS; + unsigned int nSwitch; } JBig2ArithQe; extern const JBig2ArithQe QeTable[]; extern const unsigned int JBIG2_QE_NUM; diff --git a/core/src/fxcodec/jbig2/JBig2_BitStream.h b/core/src/fxcodec/jbig2/JBig2_BitStream.h index ff0b9fcfeb..c74964473c 100644 --- a/core/src/fxcodec/jbig2/JBig2_BitStream.h +++ b/core/src/fxcodec/jbig2/JBig2_BitStream.h @@ -1,316 +1,287 @@ // Copyright 2014 PDFium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. - + // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com #ifndef _JBIG2_BIT_STREAM_H_ #define _JBIG2_BIT_STREAM_H_ #include "JBig2_Define.h" -class CJBig2_BitStream : public CJBig2_Object -{ -public: - - CJBig2_BitStream(uint8_t *pBuffer, FX_DWORD dwLength); +class CJBig2_BitStream : public CJBig2_Object { + public: + CJBig2_BitStream(uint8_t* pBuffer, FX_DWORD dwLength); - CJBig2_BitStream(CJBig2_BitStream &bs); + CJBig2_BitStream(CJBig2_BitStream& bs); - ~CJBig2_BitStream(); + ~CJBig2_BitStream(); - int32_t readNBits(FX_DWORD nBits, FX_DWORD *dwResult); + int32_t readNBits(FX_DWORD nBits, FX_DWORD* dwResult); - int32_t readNBits(FX_DWORD nBits, int32_t *nResult); + int32_t readNBits(FX_DWORD nBits, int32_t* nResult); - int32_t read1Bit(FX_DWORD *dwResult); + int32_t read1Bit(FX_DWORD* dwResult); - int32_t read1Bit(FX_BOOL *bResult); + int32_t read1Bit(FX_BOOL* bResult); - int32_t read1Byte(uint8_t *cResult); + int32_t read1Byte(uint8_t* cResult); - int32_t readInteger(FX_DWORD *dwResult); + int32_t readInteger(FX_DWORD* dwResult); - int32_t readShortInteger(FX_WORD *wResult); + int32_t readShortInteger(FX_WORD* wResult); - void alignByte(); + void alignByte(); - void align4Byte(); + void align4Byte(); - uint8_t getAt(FX_DWORD dwOffset); + uint8_t getAt(FX_DWORD dwOffset); - uint8_t getCurByte(); + uint8_t getCurByte(); - uint8_t getNextByte(); + uint8_t getNextByte(); - int32_t incByteIdx(); + int32_t incByteIdx(); - uint8_t getCurByte_arith(); + uint8_t getCurByte_arith(); - uint8_t getNextByte_arith(); + uint8_t getNextByte_arith(); - FX_DWORD getOffset(); + FX_DWORD getOffset(); - void setOffset(FX_DWORD dwOffset); + void setOffset(FX_DWORD dwOffset); - FX_DWORD getBitPos(); + FX_DWORD getBitPos(); - void setBitPos(FX_DWORD dwBitPos); + void setBitPos(FX_DWORD dwBitPos); - uint8_t *getBuf(); + uint8_t* getBuf(); - FX_DWORD getLength() - { - return m_dwLength; - } + FX_DWORD getLength() { return m_dwLength; } - uint8_t *getPointer(); + uint8_t* getPointer(); - void offset(FX_DWORD dwOffset); + void offset(FX_DWORD dwOffset); - FX_DWORD getByteLeft(); -private: + FX_DWORD getByteLeft(); - uint8_t *m_pBuf; + private: + uint8_t* m_pBuf; - FX_DWORD m_dwLength; + FX_DWORD m_dwLength; - FX_DWORD m_dwByteIdx; + FX_DWORD m_dwByteIdx; - FX_DWORD m_dwBitIdx; + FX_DWORD m_dwBitIdx; }; -inline CJBig2_BitStream::CJBig2_BitStream(uint8_t *pBuffer, FX_DWORD dwLength) -{ - m_pBuf = pBuffer; - m_dwLength = dwLength; - m_dwByteIdx = 0; - m_dwBitIdx = 0; - if (m_dwLength > 256 * 1024 * 1024) { - m_dwLength = 0; - m_pBuf = NULL; - } +inline CJBig2_BitStream::CJBig2_BitStream(uint8_t* pBuffer, FX_DWORD dwLength) { + m_pBuf = pBuffer; + m_dwLength = dwLength; + m_dwByteIdx = 0; + m_dwBitIdx = 0; + if (m_dwLength > 256 * 1024 * 1024) { + m_dwLength = 0; + m_pBuf = NULL; + } } -inline CJBig2_BitStream::CJBig2_BitStream(CJBig2_BitStream &bs) -{ - m_pBuf = bs.m_pBuf; - m_dwLength = bs.m_dwLength; - m_dwByteIdx = bs.m_dwByteIdx; - m_dwBitIdx = bs.m_dwBitIdx; +inline CJBig2_BitStream::CJBig2_BitStream(CJBig2_BitStream& bs) { + m_pBuf = bs.m_pBuf; + m_dwLength = bs.m_dwLength; + m_dwByteIdx = bs.m_dwByteIdx; + m_dwBitIdx = bs.m_dwBitIdx; } -inline CJBig2_BitStream::~CJBig2_BitStream() -{ -} -inline int32_t CJBig2_BitStream::readNBits(FX_DWORD dwBits, FX_DWORD *dwResult) -{ - FX_DWORD dwTemp = (m_dwByteIdx << 3) + m_dwBitIdx; - if(dwTemp <= (m_dwLength << 3)) { - *dwResult = 0; - if(dwTemp + dwBits <= (m_dwLength << 3)) { - dwTemp = dwBits; - } else { - dwTemp = (m_dwLength << 3) - dwTemp; - } - while(dwTemp > 0) { - *dwResult = (*dwResult << 1) | ((m_pBuf[m_dwByteIdx] >> (7 - m_dwBitIdx)) & 0x01); - if(m_dwBitIdx == 7) { - m_dwByteIdx ++; - m_dwBitIdx = 0; - } else { - m_dwBitIdx ++; - } - dwTemp --; - } - return 0; +inline CJBig2_BitStream::~CJBig2_BitStream() {} +inline int32_t CJBig2_BitStream::readNBits(FX_DWORD dwBits, + FX_DWORD* dwResult) { + FX_DWORD dwTemp = (m_dwByteIdx << 3) + m_dwBitIdx; + if (dwTemp <= (m_dwLength << 3)) { + *dwResult = 0; + if (dwTemp + dwBits <= (m_dwLength << 3)) { + dwTemp = dwBits; } else { - return -1; + dwTemp = (m_dwLength << 3) - dwTemp; + } + while (dwTemp > 0) { + *dwResult = + (*dwResult << 1) | ((m_pBuf[m_dwByteIdx] >> (7 - m_dwBitIdx)) & 0x01); + if (m_dwBitIdx == 7) { + m_dwByteIdx++; + m_dwBitIdx = 0; + } else { + m_dwBitIdx++; + } + dwTemp--; } + return 0; + } else { + return -1; + } } -inline int32_t CJBig2_BitStream::readNBits(FX_DWORD dwBits, int32_t *nResult) -{ - FX_DWORD dwTemp = (m_dwByteIdx << 3) + m_dwBitIdx; - if(dwTemp <= (m_dwLength << 3)) { - *nResult = 0; - if(dwTemp + dwBits <= (m_dwLength << 3)) { - dwTemp = dwBits; - } else { - dwTemp = (m_dwLength << 3) - dwTemp; - } - while(dwTemp > 0) { - *nResult = (*nResult << 1) | ((m_pBuf[m_dwByteIdx] >> (7 - m_dwBitIdx)) & 0x01); - if(m_dwBitIdx == 7) { - m_dwByteIdx ++; - m_dwBitIdx = 0; - } else { - m_dwBitIdx ++; - } - dwTemp --; - } - return 0; +inline int32_t CJBig2_BitStream::readNBits(FX_DWORD dwBits, int32_t* nResult) { + FX_DWORD dwTemp = (m_dwByteIdx << 3) + m_dwBitIdx; + if (dwTemp <= (m_dwLength << 3)) { + *nResult = 0; + if (dwTemp + dwBits <= (m_dwLength << 3)) { + dwTemp = dwBits; } else { - return -1; + dwTemp = (m_dwLength << 3) - dwTemp; + } + while (dwTemp > 0) { + *nResult = + (*nResult << 1) | ((m_pBuf[m_dwByteIdx] >> (7 - m_dwBitIdx)) & 0x01); + if (m_dwBitIdx == 7) { + m_dwByteIdx++; + m_dwBitIdx = 0; + } else { + m_dwBitIdx++; + } + dwTemp--; } + return 0; + } else { + return -1; + } } -inline int32_t CJBig2_BitStream::read1Bit(FX_DWORD *dwResult) -{ - if(m_dwByteIdx < m_dwLength) { - *dwResult = (m_pBuf[m_dwByteIdx] >> (7 - m_dwBitIdx)) & 0x01; - if(m_dwBitIdx == 7) { - m_dwByteIdx ++; - m_dwBitIdx = 0; - } else { - m_dwBitIdx ++; - } - return 0; +inline int32_t CJBig2_BitStream::read1Bit(FX_DWORD* dwResult) { + if (m_dwByteIdx < m_dwLength) { + *dwResult = (m_pBuf[m_dwByteIdx] >> (7 - m_dwBitIdx)) & 0x01; + if (m_dwBitIdx == 7) { + m_dwByteIdx++; + m_dwBitIdx = 0; } else { - return -1; + m_dwBitIdx++; } + return 0; + } else { + return -1; + } } -inline int32_t CJBig2_BitStream::read1Bit(FX_BOOL *bResult) -{ - if(m_dwByteIdx < m_dwLength) { - *bResult = (m_pBuf[m_dwByteIdx] >> (7 - m_dwBitIdx)) & 0x01; - if(m_dwBitIdx == 7) { - m_dwByteIdx ++; - m_dwBitIdx = 0; - } else { - m_dwBitIdx ++; - } - return 0; +inline int32_t CJBig2_BitStream::read1Bit(FX_BOOL* bResult) { + if (m_dwByteIdx < m_dwLength) { + *bResult = (m_pBuf[m_dwByteIdx] >> (7 - m_dwBitIdx)) & 0x01; + if (m_dwBitIdx == 7) { + m_dwByteIdx++; + m_dwBitIdx = 0; } else { - return -1; + m_dwBitIdx++; } + return 0; + } else { + return -1; + } } -inline int32_t CJBig2_BitStream::read1Byte(uint8_t *cResult) -{ - if(m_dwByteIdx < m_dwLength) { - *cResult = m_pBuf[m_dwByteIdx]; - m_dwByteIdx ++; - return 0; - } else { - return -1; - } +inline int32_t CJBig2_BitStream::read1Byte(uint8_t* cResult) { + if (m_dwByteIdx < m_dwLength) { + *cResult = m_pBuf[m_dwByteIdx]; + m_dwByteIdx++; + return 0; + } else { + return -1; + } } -inline int32_t CJBig2_BitStream::readInteger(FX_DWORD *dwResult) -{ - if(m_dwByteIdx + 3 < m_dwLength) { - *dwResult = (m_pBuf[m_dwByteIdx] << 24) | (m_pBuf[m_dwByteIdx + 1] << 16) - | (m_pBuf[m_dwByteIdx + 2] << 8) | m_pBuf[m_dwByteIdx + 3]; - m_dwByteIdx += 4; - return 0; - } else { - return -1; - } +inline int32_t CJBig2_BitStream::readInteger(FX_DWORD* dwResult) { + if (m_dwByteIdx + 3 < m_dwLength) { + *dwResult = (m_pBuf[m_dwByteIdx] << 24) | (m_pBuf[m_dwByteIdx + 1] << 16) | + (m_pBuf[m_dwByteIdx + 2] << 8) | m_pBuf[m_dwByteIdx + 3]; + m_dwByteIdx += 4; + return 0; + } else { + return -1; + } } -inline int32_t CJBig2_BitStream::readShortInteger(FX_WORD *dwResult) -{ - if(m_dwByteIdx + 1 < m_dwLength) { - *dwResult = (m_pBuf[m_dwByteIdx] << 8) | m_pBuf[m_dwByteIdx + 1]; - m_dwByteIdx += 2; - return 0; - } else { - return -1; - } +inline int32_t CJBig2_BitStream::readShortInteger(FX_WORD* dwResult) { + if (m_dwByteIdx + 1 < m_dwLength) { + *dwResult = (m_pBuf[m_dwByteIdx] << 8) | m_pBuf[m_dwByteIdx + 1]; + m_dwByteIdx += 2; + return 0; + } else { + return -1; + } } -inline void CJBig2_BitStream::alignByte() -{ - if(m_dwBitIdx != 0) { - m_dwByteIdx ++; - m_dwBitIdx = 0; - } +inline void CJBig2_BitStream::alignByte() { + if (m_dwBitIdx != 0) { + m_dwByteIdx++; + m_dwBitIdx = 0; + } } -inline void CJBig2_BitStream::align4Byte() -{ - if(m_dwBitIdx != 0) { - m_dwByteIdx ++; - m_dwBitIdx = 0; - } - m_dwByteIdx = (m_dwByteIdx + 3) & -4; +inline void CJBig2_BitStream::align4Byte() { + if (m_dwBitIdx != 0) { + m_dwByteIdx++; + m_dwBitIdx = 0; + } + m_dwByteIdx = (m_dwByteIdx + 3) & -4; } -inline uint8_t CJBig2_BitStream::getAt(FX_DWORD dwOffset) -{ - if(dwOffset < m_dwLength) { - return m_pBuf[dwOffset]; - } else { - return 0; - } +inline uint8_t CJBig2_BitStream::getAt(FX_DWORD dwOffset) { + if (dwOffset < m_dwLength) { + return m_pBuf[dwOffset]; + } else { + return 0; + } } -inline uint8_t CJBig2_BitStream::getCurByte() -{ - if(m_dwByteIdx < m_dwLength) { - return m_pBuf[m_dwByteIdx]; - } else { - return 0; - } +inline uint8_t CJBig2_BitStream::getCurByte() { + if (m_dwByteIdx < m_dwLength) { + return m_pBuf[m_dwByteIdx]; + } else { + return 0; + } } -inline uint8_t CJBig2_BitStream::getNextByte() -{ - if(m_dwByteIdx + 1 < m_dwLength) { - return m_pBuf[m_dwByteIdx + 1]; - } else { - return 0; - } +inline uint8_t CJBig2_BitStream::getNextByte() { + if (m_dwByteIdx + 1 < m_dwLength) { + return m_pBuf[m_dwByteIdx + 1]; + } else { + return 0; + } } -inline int32_t CJBig2_BitStream::incByteIdx() -{ - if(m_dwByteIdx < m_dwLength) { - m_dwByteIdx ++; - return 0; - } else { - return -1; - } +inline int32_t CJBig2_BitStream::incByteIdx() { + if (m_dwByteIdx < m_dwLength) { + m_dwByteIdx++; + return 0; + } else { + return -1; + } } -inline uint8_t CJBig2_BitStream::getCurByte_arith() -{ - if(m_dwByteIdx < m_dwLength) { - return m_pBuf[m_dwByteIdx]; - } else { - return 0xff; - } +inline uint8_t CJBig2_BitStream::getCurByte_arith() { + if (m_dwByteIdx < m_dwLength) { + return m_pBuf[m_dwByteIdx]; + } else { + return 0xff; + } } -inline uint8_t CJBig2_BitStream::getNextByte_arith() -{ - if(m_dwByteIdx + 1 < m_dwLength) { - return m_pBuf[m_dwByteIdx + 1]; - } else { - return 0xff; - } +inline uint8_t CJBig2_BitStream::getNextByte_arith() { + if (m_dwByteIdx + 1 < m_dwLength) { + return m_pBuf[m_dwByteIdx + 1]; + } else { + return 0xff; + } } -inline FX_DWORD CJBig2_BitStream::getOffset() -{ - return m_dwByteIdx; +inline FX_DWORD CJBig2_BitStream::getOffset() { + return m_dwByteIdx; } -inline void CJBig2_BitStream::setOffset(FX_DWORD dwOffset) -{ - if (dwOffset > m_dwLength) { - dwOffset = m_dwLength; - } - m_dwByteIdx = dwOffset; +inline void CJBig2_BitStream::setOffset(FX_DWORD dwOffset) { + if (dwOffset > m_dwLength) { + dwOffset = m_dwLength; + } + m_dwByteIdx = dwOffset; } -inline FX_DWORD CJBig2_BitStream::getBitPos() -{ - return (m_dwByteIdx << 3) + m_dwBitIdx; +inline FX_DWORD CJBig2_BitStream::getBitPos() { + return (m_dwByteIdx << 3) + m_dwBitIdx; } -inline void CJBig2_BitStream::setBitPos(FX_DWORD dwBitPos) -{ - m_dwByteIdx = dwBitPos >> 3; - m_dwBitIdx = dwBitPos & 7; +inline void CJBig2_BitStream::setBitPos(FX_DWORD dwBitPos) { + m_dwByteIdx = dwBitPos >> 3; + m_dwBitIdx = dwBitPos & 7; } -inline uint8_t *CJBig2_BitStream::getBuf() -{ - return m_pBuf; +inline uint8_t* CJBig2_BitStream::getBuf() { + return m_pBuf; } -inline uint8_t *CJBig2_BitStream::getPointer() -{ - return m_pBuf + m_dwByteIdx; +inline uint8_t* CJBig2_BitStream::getPointer() { + return m_pBuf + m_dwByteIdx; } -inline void CJBig2_BitStream::offset(FX_DWORD dwOffset) -{ - m_dwByteIdx += dwOffset; +inline void CJBig2_BitStream::offset(FX_DWORD dwOffset) { + m_dwByteIdx += dwOffset; } -inline FX_DWORD CJBig2_BitStream::getByteLeft() -{ - return m_dwLength - m_dwByteIdx; +inline FX_DWORD CJBig2_BitStream::getByteLeft() { + return m_dwLength - m_dwByteIdx; } #endif diff --git a/core/src/fxcodec/jbig2/JBig2_Context.cpp b/core/src/fxcodec/jbig2/JBig2_Context.cpp index 68c973547c..4a08c21949 100644 --- a/core/src/fxcodec/jbig2/JBig2_Context.cpp +++ b/core/src/fxcodec/jbig2/JBig2_Context.cpp @@ -1,7 +1,7 @@ // Copyright 2014 PDFium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. - + // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com #include <map> @@ -17,1753 +17,1880 @@ // difference for typical JBIG2 documents. const int kSymbolDictCacheMaxSize = 2; -void OutputBitmap(CJBig2_Image* pImage) -{ - if(!pImage) { - return; - } -} -CJBig2_Context *CJBig2_Context::CreateContext(CJBig2_Module *pModule, uint8_t *pGlobalData, FX_DWORD dwGlobalLength, - uint8_t *pData, FX_DWORD dwLength, int32_t nStreamType, std::list<CJBig2_CachePair>* pSymbolDictCache, IFX_Pause* pPause) -{ - return new(pModule)CJBig2_Context(pGlobalData, dwGlobalLength, pData, dwLength, nStreamType, pSymbolDictCache, pPause); +void OutputBitmap(CJBig2_Image* pImage) { + if (!pImage) { + return; + } } -void CJBig2_Context::DestroyContext(CJBig2_Context *pContext) -{ - delete pContext; +CJBig2_Context* CJBig2_Context::CreateContext( + CJBig2_Module* pModule, + uint8_t* pGlobalData, + FX_DWORD dwGlobalLength, + uint8_t* pData, + FX_DWORD dwLength, + int32_t nStreamType, + std::list<CJBig2_CachePair>* pSymbolDictCache, + IFX_Pause* pPause) { + return new (pModule) + CJBig2_Context(pGlobalData, dwGlobalLength, pData, dwLength, nStreamType, + pSymbolDictCache, pPause); } -CJBig2_Context::CJBig2_Context(uint8_t *pGlobalData, FX_DWORD dwGlobalLength, - uint8_t *pData, FX_DWORD dwLength, int32_t nStreamType, std::list<CJBig2_CachePair>* pSymbolDictCache, IFX_Pause* pPause) -{ - if(pGlobalData && (dwGlobalLength > 0)) { - JBIG2_ALLOC(m_pGlobalContext, CJBig2_Context(NULL, 0, pGlobalData, dwGlobalLength, - JBIG2_EMBED_STREAM, pSymbolDictCache, pPause)); - } else { - m_pGlobalContext = NULL; - } - JBIG2_ALLOC(m_pStream, CJBig2_BitStream(pData, dwLength)); - m_nStreamType = nStreamType; - m_nState = JBIG2_OUT_OF_PAGE; - JBIG2_ALLOC(m_pSegmentList, CJBig2_List<CJBig2_Segment>); - JBIG2_ALLOC(m_pPageInfoList, CJBig2_List<JBig2PageInfo>(1)); - m_pPage = NULL; - m_bBufSpecified = FALSE; - m_pPause = pPause; - m_nSegmentDecoded = 0; - m_PauseStep = 10; - m_pArithDecoder = NULL; - m_pGRD = NULL; - m_gbContext = NULL; - m_pSegment = NULL; - m_dwOffset = 0; - m_ProcessiveStatus = FXCODEC_STATUS_FRAME_READY; - m_pSymbolDictCache = pSymbolDictCache; +void CJBig2_Context::DestroyContext(CJBig2_Context* pContext) { + delete pContext; } -CJBig2_Context::~CJBig2_Context() -{ - delete m_pArithDecoder; - m_pArithDecoder = NULL; - delete m_pGRD; - m_pGRD = NULL; - if(m_gbContext) { - m_pModule->JBig2_Free(m_gbContext); - } - m_gbContext = NULL; - delete m_pGlobalContext; +CJBig2_Context::CJBig2_Context(uint8_t* pGlobalData, + FX_DWORD dwGlobalLength, + uint8_t* pData, + FX_DWORD dwLength, + int32_t nStreamType, + std::list<CJBig2_CachePair>* pSymbolDictCache, + IFX_Pause* pPause) { + if (pGlobalData && (dwGlobalLength > 0)) { + JBIG2_ALLOC(m_pGlobalContext, + CJBig2_Context(NULL, 0, pGlobalData, dwGlobalLength, + JBIG2_EMBED_STREAM, pSymbolDictCache, pPause)); + } else { m_pGlobalContext = NULL; - delete m_pPageInfoList; - m_pPageInfoList = NULL; - if(m_bBufSpecified) { - delete m_pPage; - } - m_pPage = NULL; - delete m_pStream; - m_pStream = NULL; - delete m_pSegmentList; - m_pSegmentList = NULL; + } + JBIG2_ALLOC(m_pStream, CJBig2_BitStream(pData, dwLength)); + m_nStreamType = nStreamType; + m_nState = JBIG2_OUT_OF_PAGE; + JBIG2_ALLOC(m_pSegmentList, CJBig2_List<CJBig2_Segment>); + JBIG2_ALLOC(m_pPageInfoList, CJBig2_List<JBig2PageInfo>(1)); + m_pPage = NULL; + m_bBufSpecified = FALSE; + m_pPause = pPause; + m_nSegmentDecoded = 0; + m_PauseStep = 10; + m_pArithDecoder = NULL; + m_pGRD = NULL; + m_gbContext = NULL; + m_pSegment = NULL; + m_dwOffset = 0; + m_ProcessiveStatus = FXCODEC_STATUS_FRAME_READY; + m_pSymbolDictCache = pSymbolDictCache; } -int32_t CJBig2_Context::decodeFile(IFX_Pause* pPause) -{ - uint8_t cFlags; - FX_DWORD dwTemp; - const uint8_t fileID[] = {0x97, 0x4A, 0x42, 0x32, 0x0D, 0x0A, 0x1A, 0x0A}; - int32_t nRet; - if(m_pStream->getByteLeft() < 8) { - m_pModule->JBig2_Error("file header too short."); - nRet = JBIG2_ERROR_TOO_SHORT; - goto failed; - } - if(JBIG2_memcmp(m_pStream->getPointer(), fileID, 8) != 0) { - m_pModule->JBig2_Error("not jbig2 file"); - nRet = JBIG2_ERROR_FILE_FORMAT; - goto failed; - } - m_pStream->offset(8); - if(m_pStream->read1Byte(&cFlags) != 0) { - m_pModule->JBig2_Error("file header too short."); - nRet = JBIG2_ERROR_TOO_SHORT; - goto failed; - } - if(!(cFlags & 0x02)) { - if(m_pStream->readInteger(&dwTemp) != 0) { - m_pModule->JBig2_Error("file header too short."); - nRet = JBIG2_ERROR_TOO_SHORT; - goto failed; - } - if(dwTemp > 0) { - delete m_pPageInfoList; - JBIG2_ALLOC(m_pPageInfoList, CJBig2_List<JBig2PageInfo>(dwTemp)); - } - } - if(cFlags & 0x01) { - m_nStreamType = JBIG2_SQUENTIAL_STREAM; - return decode_SquentialOrgnazation(pPause); - } else { - m_nStreamType = JBIG2_RANDOM_STREAM; - return decode_RandomOrgnazation_FirstPage(pPause); - } +CJBig2_Context::~CJBig2_Context() { + delete m_pArithDecoder; + m_pArithDecoder = NULL; + delete m_pGRD; + m_pGRD = NULL; + if (m_gbContext) { + m_pModule->JBig2_Free(m_gbContext); + } + m_gbContext = NULL; + delete m_pGlobalContext; + m_pGlobalContext = NULL; + delete m_pPageInfoList; + m_pPageInfoList = NULL; + if (m_bBufSpecified) { + delete m_pPage; + } + m_pPage = NULL; + delete m_pStream; + m_pStream = NULL; + delete m_pSegmentList; + m_pSegmentList = NULL; +} +int32_t CJBig2_Context::decodeFile(IFX_Pause* pPause) { + uint8_t cFlags; + FX_DWORD dwTemp; + const uint8_t fileID[] = {0x97, 0x4A, 0x42, 0x32, 0x0D, 0x0A, 0x1A, 0x0A}; + int32_t nRet; + if (m_pStream->getByteLeft() < 8) { + m_pModule->JBig2_Error("file header too short."); + nRet = JBIG2_ERROR_TOO_SHORT; + goto failed; + } + if (JBIG2_memcmp(m_pStream->getPointer(), fileID, 8) != 0) { + m_pModule->JBig2_Error("not jbig2 file"); + nRet = JBIG2_ERROR_FILE_FORMAT; + goto failed; + } + m_pStream->offset(8); + if (m_pStream->read1Byte(&cFlags) != 0) { + m_pModule->JBig2_Error("file header too short."); + nRet = JBIG2_ERROR_TOO_SHORT; + goto failed; + } + if (!(cFlags & 0x02)) { + if (m_pStream->readInteger(&dwTemp) != 0) { + m_pModule->JBig2_Error("file header too short."); + nRet = JBIG2_ERROR_TOO_SHORT; + goto failed; + } + if (dwTemp > 0) { + delete m_pPageInfoList; + JBIG2_ALLOC(m_pPageInfoList, CJBig2_List<JBig2PageInfo>(dwTemp)); + } + } + if (cFlags & 0x01) { + m_nStreamType = JBIG2_SQUENTIAL_STREAM; + return decode_SquentialOrgnazation(pPause); + } else { + m_nStreamType = JBIG2_RANDOM_STREAM; + return decode_RandomOrgnazation_FirstPage(pPause); + } failed: - return nRet; + return nRet; } -int32_t CJBig2_Context::decode_SquentialOrgnazation(IFX_Pause* pPause) -{ - int32_t nRet; - if(m_pStream->getByteLeft() > 0) { - while(m_pStream->getByteLeft() >= JBIG2_MIN_SEGMENT_SIZE) { - if(m_pSegment == NULL) { - JBIG2_ALLOC(m_pSegment, CJBig2_Segment()); - nRet = parseSegmentHeader(m_pSegment); - if(nRet != JBIG2_SUCCESS) { - delete m_pSegment; - m_pSegment = NULL; - return nRet; - } - m_dwOffset = m_pStream->getOffset(); - } - nRet = parseSegmentData(m_pSegment, pPause); - if(m_ProcessiveStatus == FXCODEC_STATUS_DECODE_TOBECONTINUE) { - m_ProcessiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; - m_PauseStep = 2; - return JBIG2_SUCCESS; - } - if((nRet == JBIG2_END_OF_PAGE) || (nRet == JBIG2_END_OF_FILE)) { - delete m_pSegment; - m_pSegment = NULL; - break; - } else if(nRet != JBIG2_SUCCESS) { - delete m_pSegment; - m_pSegment = NULL; - return nRet; - } - m_pSegmentList->addItem(m_pSegment); - if(m_pSegment->m_dwData_length != 0xffffffff) { - m_dwOffset = m_dwOffset + m_pSegment->m_dwData_length; - m_pStream->setOffset(m_dwOffset); - } else { - m_pStream->offset(4); - } - OutputBitmap(m_pPage); - m_pSegment = NULL; - if(m_pStream->getByteLeft() > 0 && m_pPage && pPause && pPause->NeedToPauseNow()) { - m_ProcessiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; - m_PauseStep = 2; - return JBIG2_SUCCESS; - } - } - } else { - return JBIG2_END_OF_FILE; +int32_t CJBig2_Context::decode_SquentialOrgnazation(IFX_Pause* pPause) { + int32_t nRet; + if (m_pStream->getByteLeft() > 0) { + while (m_pStream->getByteLeft() >= JBIG2_MIN_SEGMENT_SIZE) { + if (m_pSegment == NULL) { + JBIG2_ALLOC(m_pSegment, CJBig2_Segment()); + nRet = parseSegmentHeader(m_pSegment); + if (nRet != JBIG2_SUCCESS) { + delete m_pSegment; + m_pSegment = NULL; + return nRet; + } + m_dwOffset = m_pStream->getOffset(); + } + nRet = parseSegmentData(m_pSegment, pPause); + if (m_ProcessiveStatus == FXCODEC_STATUS_DECODE_TOBECONTINUE) { + m_ProcessiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; + m_PauseStep = 2; + return JBIG2_SUCCESS; + } + if ((nRet == JBIG2_END_OF_PAGE) || (nRet == JBIG2_END_OF_FILE)) { + delete m_pSegment; + m_pSegment = NULL; + break; + } else if (nRet != JBIG2_SUCCESS) { + delete m_pSegment; + m_pSegment = NULL; + return nRet; + } + m_pSegmentList->addItem(m_pSegment); + if (m_pSegment->m_dwData_length != 0xffffffff) { + m_dwOffset = m_dwOffset + m_pSegment->m_dwData_length; + m_pStream->setOffset(m_dwOffset); + } else { + m_pStream->offset(4); + } + OutputBitmap(m_pPage); + m_pSegment = NULL; + if (m_pStream->getByteLeft() > 0 && m_pPage && pPause && + pPause->NeedToPauseNow()) { + m_ProcessiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; + m_PauseStep = 2; + return JBIG2_SUCCESS; + } } - return JBIG2_SUCCESS; + } else { + return JBIG2_END_OF_FILE; + } + return JBIG2_SUCCESS; } -int32_t CJBig2_Context::decode_EmbedOrgnazation(IFX_Pause* pPause) -{ - return decode_SquentialOrgnazation(pPause); +int32_t CJBig2_Context::decode_EmbedOrgnazation(IFX_Pause* pPause) { + return decode_SquentialOrgnazation(pPause); } -int32_t CJBig2_Context::decode_RandomOrgnazation_FirstPage(IFX_Pause* pPause) -{ - CJBig2_Segment *pSegment; - int32_t nRet; - while(m_pStream->getByteLeft() > JBIG2_MIN_SEGMENT_SIZE) { - JBIG2_ALLOC(pSegment, CJBig2_Segment()); - nRet = parseSegmentHeader(pSegment); - if(nRet != JBIG2_SUCCESS) { - delete pSegment; - return nRet; - } else if(pSegment->m_cFlags.s.type == 51) { - delete pSegment; - break; - } - m_pSegmentList->addItem(pSegment); - if(pPause && m_pPause && pPause->NeedToPauseNow()) { - m_PauseStep = 3; - m_ProcessiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; - return JBIG2_SUCCESS; - } - } - m_nSegmentDecoded = 0; - return decode_RandomOrgnazation(pPause); +int32_t CJBig2_Context::decode_RandomOrgnazation_FirstPage(IFX_Pause* pPause) { + CJBig2_Segment* pSegment; + int32_t nRet; + while (m_pStream->getByteLeft() > JBIG2_MIN_SEGMENT_SIZE) { + JBIG2_ALLOC(pSegment, CJBig2_Segment()); + nRet = parseSegmentHeader(pSegment); + if (nRet != JBIG2_SUCCESS) { + delete pSegment; + return nRet; + } else if (pSegment->m_cFlags.s.type == 51) { + delete pSegment; + break; + } + m_pSegmentList->addItem(pSegment); + if (pPause && m_pPause && pPause->NeedToPauseNow()) { + m_PauseStep = 3; + m_ProcessiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; + return JBIG2_SUCCESS; + } + } + m_nSegmentDecoded = 0; + return decode_RandomOrgnazation(pPause); } -int32_t CJBig2_Context::decode_RandomOrgnazation(IFX_Pause* pPause) -{ - int32_t nRet; - for(; m_nSegmentDecoded < m_pSegmentList->getLength(); m_nSegmentDecoded++) { - nRet = parseSegmentData(m_pSegmentList->getAt(m_nSegmentDecoded), pPause); - if((nRet == JBIG2_END_OF_PAGE) || (nRet == JBIG2_END_OF_FILE)) { - break; - } else if(nRet != JBIG2_SUCCESS) { - return nRet; - } - if(m_pPage && pPause && pPause->NeedToPauseNow()) { - m_PauseStep = 4; - m_ProcessiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; - return JBIG2_SUCCESS; - } - } - return JBIG2_SUCCESS; +int32_t CJBig2_Context::decode_RandomOrgnazation(IFX_Pause* pPause) { + int32_t nRet; + for (; m_nSegmentDecoded < m_pSegmentList->getLength(); m_nSegmentDecoded++) { + nRet = parseSegmentData(m_pSegmentList->getAt(m_nSegmentDecoded), pPause); + if ((nRet == JBIG2_END_OF_PAGE) || (nRet == JBIG2_END_OF_FILE)) { + break; + } else if (nRet != JBIG2_SUCCESS) { + return nRet; + } + if (m_pPage && pPause && pPause->NeedToPauseNow()) { + m_PauseStep = 4; + m_ProcessiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; + return JBIG2_SUCCESS; + } + } + return JBIG2_SUCCESS; } -int32_t CJBig2_Context::getFirstPage(uint8_t *pBuf, int32_t width, int32_t height, int32_t stride, IFX_Pause* pPause) -{ - int32_t nRet = 0; - if(m_pGlobalContext) { - nRet = m_pGlobalContext->decode_EmbedOrgnazation(pPause); - if(nRet != JBIG2_SUCCESS) { - m_ProcessiveStatus = FXCODEC_STATUS_ERROR; - return nRet; - } - } - m_bFirstPage = TRUE; - m_PauseStep = 0; - delete m_pPage; - JBIG2_ALLOC(m_pPage, CJBig2_Image(width, height, stride, pBuf)); - m_bBufSpecified = TRUE; - if(m_pPage && pPause && pPause->NeedToPauseNow()) { - m_PauseStep = 1; - m_ProcessiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; - return nRet; - } - int ret = Continue(pPause); - return ret; +int32_t CJBig2_Context::getFirstPage(uint8_t* pBuf, + int32_t width, + int32_t height, + int32_t stride, + IFX_Pause* pPause) { + int32_t nRet = 0; + if (m_pGlobalContext) { + nRet = m_pGlobalContext->decode_EmbedOrgnazation(pPause); + if (nRet != JBIG2_SUCCESS) { + m_ProcessiveStatus = FXCODEC_STATUS_ERROR; + return nRet; + } + } + m_bFirstPage = TRUE; + m_PauseStep = 0; + delete m_pPage; + JBIG2_ALLOC(m_pPage, CJBig2_Image(width, height, stride, pBuf)); + m_bBufSpecified = TRUE; + if (m_pPage && pPause && pPause->NeedToPauseNow()) { + m_PauseStep = 1; + m_ProcessiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; + return nRet; + } + int ret = Continue(pPause); + return ret; } -int32_t CJBig2_Context::Continue(IFX_Pause* pPause) -{ - m_ProcessiveStatus = FXCODEC_STATUS_DECODE_READY; - int32_t nRet; - if(m_PauseStep <= 1) { - switch(m_nStreamType) { - case JBIG2_FILE_STREAM: - nRet = decodeFile(pPause); - break; - case JBIG2_SQUENTIAL_STREAM: - nRet = decode_SquentialOrgnazation(pPause); - break; - case JBIG2_RANDOM_STREAM: - if(m_bFirstPage) { - nRet = decode_RandomOrgnazation_FirstPage(pPause); - } else { - nRet = decode_RandomOrgnazation(pPause); - } - break; - case JBIG2_EMBED_STREAM: - nRet = decode_EmbedOrgnazation(pPause); - break; - default: - m_ProcessiveStatus = FXCODEC_STATUS_ERROR; - return JBIG2_ERROR_STREAM_TYPE; - } - } else if(m_PauseStep == 2) { +int32_t CJBig2_Context::Continue(IFX_Pause* pPause) { + m_ProcessiveStatus = FXCODEC_STATUS_DECODE_READY; + int32_t nRet; + if (m_PauseStep <= 1) { + switch (m_nStreamType) { + case JBIG2_FILE_STREAM: + nRet = decodeFile(pPause); + break; + case JBIG2_SQUENTIAL_STREAM: nRet = decode_SquentialOrgnazation(pPause); - } else if(m_PauseStep == 3) { - nRet = decode_RandomOrgnazation_FirstPage(pPause); - } else if(m_PauseStep == 4) { - nRet = decode_RandomOrgnazation(pPause); - } else if(m_PauseStep == 5) { - m_ProcessiveStatus = FXCODEC_STATUS_DECODE_FINISH; - return JBIG2_SUCCESS; - } - if(m_ProcessiveStatus == FXCODEC_STATUS_DECODE_TOBECONTINUE) { - return nRet; - } - m_PauseStep = 5; - if(!m_bBufSpecified && nRet == JBIG2_SUCCESS) { - m_ProcessiveStatus = FXCODEC_STATUS_DECODE_FINISH; - return JBIG2_SUCCESS; - } - if(nRet == JBIG2_SUCCESS) { - m_ProcessiveStatus = FXCODEC_STATUS_DECODE_FINISH; - } else { + break; + case JBIG2_RANDOM_STREAM: + if (m_bFirstPage) { + nRet = decode_RandomOrgnazation_FirstPage(pPause); + } else { + nRet = decode_RandomOrgnazation(pPause); + } + break; + case JBIG2_EMBED_STREAM: + nRet = decode_EmbedOrgnazation(pPause); + break; + default: m_ProcessiveStatus = FXCODEC_STATUS_ERROR; - } + return JBIG2_ERROR_STREAM_TYPE; + } + } else if (m_PauseStep == 2) { + nRet = decode_SquentialOrgnazation(pPause); + } else if (m_PauseStep == 3) { + nRet = decode_RandomOrgnazation_FirstPage(pPause); + } else if (m_PauseStep == 4) { + nRet = decode_RandomOrgnazation(pPause); + } else if (m_PauseStep == 5) { + m_ProcessiveStatus = FXCODEC_STATUS_DECODE_FINISH; + return JBIG2_SUCCESS; + } + if (m_ProcessiveStatus == FXCODEC_STATUS_DECODE_TOBECONTINUE) { return nRet; + } + m_PauseStep = 5; + if (!m_bBufSpecified && nRet == JBIG2_SUCCESS) { + m_ProcessiveStatus = FXCODEC_STATUS_DECODE_FINISH; + return JBIG2_SUCCESS; + } + if (nRet == JBIG2_SUCCESS) { + m_ProcessiveStatus = FXCODEC_STATUS_DECODE_FINISH; + } else { + m_ProcessiveStatus = FXCODEC_STATUS_ERROR; + } + return nRet; } -int32_t CJBig2_Context::getNextPage(uint8_t *pBuf, int32_t width, int32_t height, int32_t stride, IFX_Pause* pPause) -{ - int32_t nRet = JBIG2_ERROR_STREAM_TYPE; - m_bFirstPage = FALSE; - m_PauseStep = 0; - delete m_pPage; - JBIG2_ALLOC(m_pPage, CJBig2_Image(width, height, stride, pBuf)); - m_bBufSpecified = TRUE; - if(m_pPage && pPause && pPause->NeedToPauseNow()) { - m_PauseStep = 1; - m_ProcessiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; - return nRet; - } - return Continue(pPause); - switch(m_nStreamType) { - case JBIG2_FILE_STREAM: - nRet = decodeFile(pPause); - break; - case JBIG2_SQUENTIAL_STREAM: - nRet = decode_SquentialOrgnazation(pPause); - break; - case JBIG2_RANDOM_STREAM: - nRet = decode_RandomOrgnazation(pPause); - break; - case JBIG2_EMBED_STREAM: - nRet = decode_EmbedOrgnazation(pPause); - break; - default: - return JBIG2_ERROR_STREAM_TYPE; - } +int32_t CJBig2_Context::getNextPage(uint8_t* pBuf, + int32_t width, + int32_t height, + int32_t stride, + IFX_Pause* pPause) { + int32_t nRet = JBIG2_ERROR_STREAM_TYPE; + m_bFirstPage = FALSE; + m_PauseStep = 0; + delete m_pPage; + JBIG2_ALLOC(m_pPage, CJBig2_Image(width, height, stride, pBuf)); + m_bBufSpecified = TRUE; + if (m_pPage && pPause && pPause->NeedToPauseNow()) { + m_PauseStep = 1; + m_ProcessiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; return nRet; + } + return Continue(pPause); + switch (m_nStreamType) { + case JBIG2_FILE_STREAM: + nRet = decodeFile(pPause); + break; + case JBIG2_SQUENTIAL_STREAM: + nRet = decode_SquentialOrgnazation(pPause); + break; + case JBIG2_RANDOM_STREAM: + nRet = decode_RandomOrgnazation(pPause); + break; + case JBIG2_EMBED_STREAM: + nRet = decode_EmbedOrgnazation(pPause); + break; + default: + return JBIG2_ERROR_STREAM_TYPE; + } + return nRet; } -int32_t CJBig2_Context::getFirstPage(CJBig2_Image **image, IFX_Pause* pPause) -{ - int32_t nRet; - m_bFirstPage = TRUE; - m_PauseStep = 0; - if(m_pGlobalContext) { - nRet = m_pGlobalContext->decode_EmbedOrgnazation(pPause); - if(nRet != JBIG2_SUCCESS) { - return nRet; - } - } - m_bBufSpecified = FALSE; - return Continue(pPause); +int32_t CJBig2_Context::getFirstPage(CJBig2_Image** image, IFX_Pause* pPause) { + int32_t nRet; + m_bFirstPage = TRUE; + m_PauseStep = 0; + if (m_pGlobalContext) { + nRet = m_pGlobalContext->decode_EmbedOrgnazation(pPause); + if (nRet != JBIG2_SUCCESS) { + return nRet; + } + } + m_bBufSpecified = FALSE; + return Continue(pPause); } -int32_t CJBig2_Context::getNextPage(CJBig2_Image **image, IFX_Pause* pPause) -{ - int32_t nRet; - m_bBufSpecified = FALSE; - m_bFirstPage = FALSE; - m_PauseStep = 0; - switch(m_nStreamType) { - case JBIG2_FILE_STREAM: - nRet = decodeFile(pPause); - break; - case JBIG2_SQUENTIAL_STREAM: - nRet = decode_SquentialOrgnazation(pPause); - break; - case JBIG2_RANDOM_STREAM: - nRet = decode_RandomOrgnazation(pPause); - break; - case JBIG2_EMBED_STREAM: - nRet = decode_EmbedOrgnazation(pPause); - break; - default: - return JBIG2_ERROR_STREAM_TYPE; - } - if(nRet == JBIG2_SUCCESS) { - *image = m_pPage; - m_pPage = NULL; - return JBIG2_SUCCESS; - } - return nRet; +int32_t CJBig2_Context::getNextPage(CJBig2_Image** image, IFX_Pause* pPause) { + int32_t nRet; + m_bBufSpecified = FALSE; + m_bFirstPage = FALSE; + m_PauseStep = 0; + switch (m_nStreamType) { + case JBIG2_FILE_STREAM: + nRet = decodeFile(pPause); + break; + case JBIG2_SQUENTIAL_STREAM: + nRet = decode_SquentialOrgnazation(pPause); + break; + case JBIG2_RANDOM_STREAM: + nRet = decode_RandomOrgnazation(pPause); + break; + case JBIG2_EMBED_STREAM: + nRet = decode_EmbedOrgnazation(pPause); + break; + default: + return JBIG2_ERROR_STREAM_TYPE; + } + if (nRet == JBIG2_SUCCESS) { + *image = m_pPage; + m_pPage = NULL; + return JBIG2_SUCCESS; + } + return nRet; } -CJBig2_Segment *CJBig2_Context::findSegmentByNumber(FX_DWORD dwNumber) -{ - CJBig2_Segment *pSeg; - int32_t i; - if(m_pGlobalContext) { - pSeg = m_pGlobalContext->findSegmentByNumber(dwNumber); - if(pSeg) { - return pSeg; - } - } - for(i = 0; i < m_pSegmentList->getLength(); i++) { - pSeg = m_pSegmentList->getAt(i); - if(pSeg->m_dwNumber == dwNumber) { - return pSeg; - } - } - return NULL; +CJBig2_Segment* CJBig2_Context::findSegmentByNumber(FX_DWORD dwNumber) { + CJBig2_Segment* pSeg; + int32_t i; + if (m_pGlobalContext) { + pSeg = m_pGlobalContext->findSegmentByNumber(dwNumber); + if (pSeg) { + return pSeg; + } + } + for (i = 0; i < m_pSegmentList->getLength(); i++) { + pSeg = m_pSegmentList->getAt(i); + if (pSeg->m_dwNumber == dwNumber) { + return pSeg; + } + } + return NULL; } -CJBig2_Segment *CJBig2_Context::findReferredSegmentByTypeAndIndex(CJBig2_Segment *pSegment, - uint8_t cType, int32_t nIndex) -{ - CJBig2_Segment *pSeg; - int32_t i, count; - count = 0; - for(i = 0; i < pSegment->m_nReferred_to_segment_count; i++) { - pSeg = findSegmentByNumber(pSegment->m_pReferred_to_segment_numbers[i]); - if(pSeg && pSeg->m_cFlags.s.type == cType) { - if(count == nIndex) { - return pSeg; - } else { - count ++; - } - } - } - return NULL; +CJBig2_Segment* CJBig2_Context::findReferredSegmentByTypeAndIndex( + CJBig2_Segment* pSegment, + uint8_t cType, + int32_t nIndex) { + CJBig2_Segment* pSeg; + int32_t i, count; + count = 0; + for (i = 0; i < pSegment->m_nReferred_to_segment_count; i++) { + pSeg = findSegmentByNumber(pSegment->m_pReferred_to_segment_numbers[i]); + if (pSeg && pSeg->m_cFlags.s.type == cType) { + if (count == nIndex) { + return pSeg; + } else { + count++; + } + } + } + return NULL; } -int32_t CJBig2_Context::parseSegmentHeader(CJBig2_Segment *pSegment) -{ - uint8_t cSSize, cPSize; - uint8_t cTemp; - FX_WORD wTemp; - FX_DWORD dwTemp; - if((m_pStream->readInteger(&pSegment->m_dwNumber) != 0) - || (m_pStream->read1Byte(&pSegment->m_cFlags.c) != 0)) { - goto failed; - } - cTemp = m_pStream->getCurByte(); - if((cTemp >> 5) == 7) { - if(m_pStream->readInteger((FX_DWORD*)&pSegment->m_nReferred_to_segment_count) != 0) { - goto failed; - } - pSegment->m_nReferred_to_segment_count &= 0x1fffffff; - if (pSegment->m_nReferred_to_segment_count > JBIG2_MAX_REFERRED_SEGMENT_COUNT) { - m_pModule->JBig2_Error("Too many referred segments."); - return JBIG2_ERROR_LIMIT; - } - dwTemp = 5 + 4 + (pSegment->m_nReferred_to_segment_count + 1) / 8; - } else { - if(m_pStream->read1Byte(&cTemp) != 0) { +int32_t CJBig2_Context::parseSegmentHeader(CJBig2_Segment* pSegment) { + uint8_t cSSize, cPSize; + uint8_t cTemp; + FX_WORD wTemp; + FX_DWORD dwTemp; + if ((m_pStream->readInteger(&pSegment->m_dwNumber) != 0) || + (m_pStream->read1Byte(&pSegment->m_cFlags.c) != 0)) { + goto failed; + } + cTemp = m_pStream->getCurByte(); + if ((cTemp >> 5) == 7) { + if (m_pStream->readInteger( + (FX_DWORD*)&pSegment->m_nReferred_to_segment_count) != 0) { + goto failed; + } + pSegment->m_nReferred_to_segment_count &= 0x1fffffff; + if (pSegment->m_nReferred_to_segment_count > + JBIG2_MAX_REFERRED_SEGMENT_COUNT) { + m_pModule->JBig2_Error("Too many referred segments."); + return JBIG2_ERROR_LIMIT; + } + dwTemp = 5 + 4 + (pSegment->m_nReferred_to_segment_count + 1) / 8; + } else { + if (m_pStream->read1Byte(&cTemp) != 0) { + goto failed; + } + pSegment->m_nReferred_to_segment_count = cTemp >> 5; + dwTemp = 5 + 1; + } + cSSize = + pSegment->m_dwNumber > 65536 ? 4 : pSegment->m_dwNumber > 256 ? 2 : 1; + cPSize = pSegment->m_cFlags.s.page_association_size ? 4 : 1; + if (pSegment->m_nReferred_to_segment_count) { + pSegment->m_pReferred_to_segment_numbers = + (FX_DWORD*)m_pModule->JBig2_Malloc2( + sizeof(FX_DWORD), pSegment->m_nReferred_to_segment_count); + for (int32_t i = 0; i < pSegment->m_nReferred_to_segment_count; i++) { + switch (cSSize) { + case 1: + if (m_pStream->read1Byte(&cTemp) != 0) { goto failed; - } - pSegment->m_nReferred_to_segment_count = cTemp >> 5; - dwTemp = 5 + 1; - } - cSSize = pSegment->m_dwNumber > 65536 ? 4 : pSegment->m_dwNumber > 256 ? 2 : 1; - cPSize = pSegment->m_cFlags.s.page_association_size ? 4 : 1; - if(pSegment->m_nReferred_to_segment_count) { - pSegment->m_pReferred_to_segment_numbers = (FX_DWORD*)m_pModule->JBig2_Malloc2( - sizeof(FX_DWORD), pSegment->m_nReferred_to_segment_count); - for(int32_t i = 0; i < pSegment->m_nReferred_to_segment_count; i++) { - switch(cSSize) { - case 1: - if(m_pStream->read1Byte(&cTemp) != 0) { - goto failed; - } - pSegment->m_pReferred_to_segment_numbers[i] = cTemp; - break; - case 2: - if(m_pStream->readShortInteger(&wTemp) != 0) { - goto failed; - } - pSegment->m_pReferred_to_segment_numbers[i] = wTemp; - break; - case 4: - if(m_pStream->readInteger(&dwTemp) != 0) { - goto failed; - } - pSegment->m_pReferred_to_segment_numbers[i] = dwTemp; - break; - } - if (pSegment->m_pReferred_to_segment_numbers[i] >= pSegment->m_dwNumber) { - m_pModule->JBig2_Error("The referred segment number is greater than this segment number."); - goto failed; - } - } - } - if(cPSize == 1) { - if(m_pStream->read1Byte(&cTemp) != 0) { + } + pSegment->m_pReferred_to_segment_numbers[i] = cTemp; + break; + case 2: + if (m_pStream->readShortInteger(&wTemp) != 0) { goto failed; - } - pSegment->m_dwPage_association = cTemp; - } else { - if(m_pStream->readInteger(&pSegment->m_dwPage_association) != 0) { + } + pSegment->m_pReferred_to_segment_numbers[i] = wTemp; + break; + case 4: + if (m_pStream->readInteger(&dwTemp) != 0) { goto failed; - } - } - if(m_pStream->readInteger(&pSegment->m_dwData_length) != 0) { + } + pSegment->m_pReferred_to_segment_numbers[i] = dwTemp; + break; + } + if (pSegment->m_pReferred_to_segment_numbers[i] >= pSegment->m_dwNumber) { + m_pModule->JBig2_Error( + "The referred segment number is greater than this segment number."); goto failed; - } - pSegment->m_pData = m_pStream->getPointer(); - pSegment->m_State = JBIG2_SEGMENT_DATA_UNPARSED; - return JBIG2_SUCCESS; + } + } + } + if (cPSize == 1) { + if (m_pStream->read1Byte(&cTemp) != 0) { + goto failed; + } + pSegment->m_dwPage_association = cTemp; + } else { + if (m_pStream->readInteger(&pSegment->m_dwPage_association) != 0) { + goto failed; + } + } + if (m_pStream->readInteger(&pSegment->m_dwData_length) != 0) { + goto failed; + } + pSegment->m_pData = m_pStream->getPointer(); + pSegment->m_State = JBIG2_SEGMENT_DATA_UNPARSED; + return JBIG2_SUCCESS; failed: - m_pModule->JBig2_Error("header too short."); - return JBIG2_ERROR_TOO_SHORT; + m_pModule->JBig2_Error("header too short."); + return JBIG2_ERROR_TOO_SHORT; } -int32_t CJBig2_Context::parseSegmentData(CJBig2_Segment *pSegment, IFX_Pause* pPause) -{ - int32_t ret = ProcessiveParseSegmentData(pSegment, pPause); - while(m_ProcessiveStatus == FXCODEC_STATUS_DECODE_TOBECONTINUE && m_pStream->getByteLeft() > 0) { - ret = ProcessiveParseSegmentData(pSegment, pPause); - } - return ret; +int32_t CJBig2_Context::parseSegmentData(CJBig2_Segment* pSegment, + IFX_Pause* pPause) { + int32_t ret = ProcessiveParseSegmentData(pSegment, pPause); + while (m_ProcessiveStatus == FXCODEC_STATUS_DECODE_TOBECONTINUE && + m_pStream->getByteLeft() > 0) { + ret = ProcessiveParseSegmentData(pSegment, pPause); + } + return ret; } -int32_t CJBig2_Context::ProcessiveParseSegmentData(CJBig2_Segment *pSegment, IFX_Pause* pPause) -{ - switch(pSegment->m_cFlags.s.type) { - case 0: - return parseSymbolDict(pSegment, pPause); - case 4: - case 6: - case 7: - if(m_nState == JBIG2_OUT_OF_PAGE) { - goto failed2; - } else { - return parseTextRegion(pSegment); - } - case 16: - return parsePatternDict(pSegment, pPause); - case 20: - case 22: - case 23: - if(m_nState == JBIG2_OUT_OF_PAGE) { - goto failed2; - } else { - return parseHalftoneRegion(pSegment, pPause); - } - case 36: - case 38: - case 39: - if(m_nState == JBIG2_OUT_OF_PAGE) { - goto failed2; - } else { - return parseGenericRegion(pSegment, pPause); - } - case 40: - case 42: - case 43: - if(m_nState == JBIG2_OUT_OF_PAGE) { - goto failed2; - } else { - return parseGenericRefinementRegion(pSegment); - } - case 48: { - FX_WORD wTemp; - JBig2PageInfo *pPageInfo; - JBIG2_ALLOC(pPageInfo, JBig2PageInfo); - if((m_pStream->readInteger(&pPageInfo->m_dwWidth) != 0) - || (m_pStream->readInteger(&pPageInfo->m_dwHeight) != 0) - || (m_pStream->readInteger(&pPageInfo->m_dwResolutionX) != 0) - || (m_pStream->readInteger(&pPageInfo->m_dwResolutionY) != 0) - || (m_pStream->read1Byte(&pPageInfo->m_cFlags) != 0) - || (m_pStream->readShortInteger(&wTemp) != 0)) { - delete pPageInfo; - goto failed1; - } - pPageInfo->m_bIsStriped = ((wTemp >> 15) & 1) ? 1 : 0; - pPageInfo->m_wMaxStripeSize = wTemp & 0x7fff; - if((pPageInfo->m_dwHeight == 0xffffffff) && (pPageInfo->m_bIsStriped != 1)) { - m_pModule->JBig2_Warn("page height = 0xffffffff buf stripe field is 0"); - pPageInfo->m_bIsStriped = 1; - } - if(!m_bBufSpecified) { - delete m_pPage; - if(pPageInfo->m_dwHeight == 0xffffffff) { - JBIG2_ALLOC(m_pPage, CJBig2_Image(pPageInfo->m_dwWidth, pPageInfo->m_wMaxStripeSize)); - } else { - JBIG2_ALLOC(m_pPage, CJBig2_Image(pPageInfo->m_dwWidth, pPageInfo->m_dwHeight)); - } - } - m_pPage->fill((pPageInfo->m_cFlags & 4) ? 1 : 0); - m_pPageInfoList->addItem(pPageInfo); - m_nState = JBIG2_IN_PAGE; - } - break; - case 49: - m_nState = JBIG2_OUT_OF_PAGE; - return JBIG2_END_OF_PAGE; - break; - case 50: - m_pStream->offset(pSegment->m_dwData_length); - break; - case 51: - return JBIG2_END_OF_FILE; - case 52: - m_pStream->offset(pSegment->m_dwData_length); - break; - case 53: - return parseTable(pSegment); - case 62: - m_pStream->offset(pSegment->m_dwData_length); - break; - default: - break; - } - return JBIG2_SUCCESS; +int32_t CJBig2_Context::ProcessiveParseSegmentData(CJBig2_Segment* pSegment, + IFX_Pause* pPause) { + switch (pSegment->m_cFlags.s.type) { + case 0: + return parseSymbolDict(pSegment, pPause); + case 4: + case 6: + case 7: + if (m_nState == JBIG2_OUT_OF_PAGE) { + goto failed2; + } else { + return parseTextRegion(pSegment); + } + case 16: + return parsePatternDict(pSegment, pPause); + case 20: + case 22: + case 23: + if (m_nState == JBIG2_OUT_OF_PAGE) { + goto failed2; + } else { + return parseHalftoneRegion(pSegment, pPause); + } + case 36: + case 38: + case 39: + if (m_nState == JBIG2_OUT_OF_PAGE) { + goto failed2; + } else { + return parseGenericRegion(pSegment, pPause); + } + case 40: + case 42: + case 43: + if (m_nState == JBIG2_OUT_OF_PAGE) { + goto failed2; + } else { + return parseGenericRefinementRegion(pSegment); + } + case 48: { + FX_WORD wTemp; + JBig2PageInfo* pPageInfo; + JBIG2_ALLOC(pPageInfo, JBig2PageInfo); + if ((m_pStream->readInteger(&pPageInfo->m_dwWidth) != 0) || + (m_pStream->readInteger(&pPageInfo->m_dwHeight) != 0) || + (m_pStream->readInteger(&pPageInfo->m_dwResolutionX) != 0) || + (m_pStream->readInteger(&pPageInfo->m_dwResolutionY) != 0) || + (m_pStream->read1Byte(&pPageInfo->m_cFlags) != 0) || + (m_pStream->readShortInteger(&wTemp) != 0)) { + delete pPageInfo; + goto failed1; + } + pPageInfo->m_bIsStriped = ((wTemp >> 15) & 1) ? 1 : 0; + pPageInfo->m_wMaxStripeSize = wTemp & 0x7fff; + if ((pPageInfo->m_dwHeight == 0xffffffff) && + (pPageInfo->m_bIsStriped != 1)) { + m_pModule->JBig2_Warn("page height = 0xffffffff buf stripe field is 0"); + pPageInfo->m_bIsStriped = 1; + } + if (!m_bBufSpecified) { + delete m_pPage; + if (pPageInfo->m_dwHeight == 0xffffffff) { + JBIG2_ALLOC(m_pPage, CJBig2_Image(pPageInfo->m_dwWidth, + pPageInfo->m_wMaxStripeSize)); + } else { + JBIG2_ALLOC(m_pPage, CJBig2_Image(pPageInfo->m_dwWidth, + pPageInfo->m_dwHeight)); + } + } + m_pPage->fill((pPageInfo->m_cFlags & 4) ? 1 : 0); + m_pPageInfoList->addItem(pPageInfo); + m_nState = JBIG2_IN_PAGE; + } break; + case 49: + m_nState = JBIG2_OUT_OF_PAGE; + return JBIG2_END_OF_PAGE; + break; + case 50: + m_pStream->offset(pSegment->m_dwData_length); + break; + case 51: + return JBIG2_END_OF_FILE; + case 52: + m_pStream->offset(pSegment->m_dwData_length); + break; + case 53: + return parseTable(pSegment); + case 62: + m_pStream->offset(pSegment->m_dwData_length); + break; + default: + break; + } + return JBIG2_SUCCESS; failed1: - m_pModule->JBig2_Error("segment data too short."); - return JBIG2_ERROR_TOO_SHORT; + m_pModule->JBig2_Error("segment data too short."); + return JBIG2_ERROR_TOO_SHORT; failed2: - m_pModule->JBig2_Error("segment syntax error."); - return JBIG2_ERROR_FATAL; + m_pModule->JBig2_Error("segment syntax error."); + return JBIG2_ERROR_FATAL; } -int32_t CJBig2_Context::parseSymbolDict(CJBig2_Segment *pSegment, IFX_Pause* pPause) -{ - FX_DWORD dwTemp; - FX_WORD wFlags; - uint8_t cSDHUFFDH, cSDHUFFDW, cSDHUFFBMSIZE, cSDHUFFAGGINST; - CJBig2_HuffmanTable *Table_B1 = NULL, *Table_B2 = NULL, *Table_B3 = NULL, *Table_B4 = NULL, *Table_B5 = NULL; - int32_t i, nIndex, nRet; - CJBig2_Segment *pSeg = NULL, *pLRSeg = NULL; - FX_BOOL bUsed; - CJBig2_Image ** SDINSYMS = NULL; - CJBig2_SDDProc *pSymbolDictDecoder; - JBig2ArithCtx *gbContext = NULL, *grContext = NULL; - CJBig2_ArithDecoder *pArithDecoder; - JBIG2_ALLOC(pSymbolDictDecoder, CJBig2_SDDProc()); - uint8_t *key = pSegment->m_pData; - FX_BOOL cache_hit = false; - if(m_pStream->readShortInteger(&wFlags) != 0) { - m_pModule->JBig2_Error("symbol dictionary segment : data header too short."); +int32_t CJBig2_Context::parseSymbolDict(CJBig2_Segment* pSegment, + IFX_Pause* pPause) { + FX_DWORD dwTemp; + FX_WORD wFlags; + uint8_t cSDHUFFDH, cSDHUFFDW, cSDHUFFBMSIZE, cSDHUFFAGGINST; + CJBig2_HuffmanTable *Table_B1 = NULL, *Table_B2 = NULL, *Table_B3 = NULL, + *Table_B4 = NULL, *Table_B5 = NULL; + int32_t i, nIndex, nRet; + CJBig2_Segment *pSeg = NULL, *pLRSeg = NULL; + FX_BOOL bUsed; + CJBig2_Image** SDINSYMS = NULL; + CJBig2_SDDProc* pSymbolDictDecoder; + JBig2ArithCtx *gbContext = NULL, *grContext = NULL; + CJBig2_ArithDecoder* pArithDecoder; + JBIG2_ALLOC(pSymbolDictDecoder, CJBig2_SDDProc()); + uint8_t* key = pSegment->m_pData; + FX_BOOL cache_hit = false; + if (m_pStream->readShortInteger(&wFlags) != 0) { + m_pModule->JBig2_Error( + "symbol dictionary segment : data header too short."); + nRet = JBIG2_ERROR_TOO_SHORT; + goto failed; + } + pSymbolDictDecoder->SDHUFF = wFlags & 0x0001; + pSymbolDictDecoder->SDREFAGG = (wFlags >> 1) & 0x0001; + pSymbolDictDecoder->SDTEMPLATE = (wFlags >> 10) & 0x0003; + pSymbolDictDecoder->SDRTEMPLATE = (wFlags >> 12) & 0x0003; + cSDHUFFDH = (wFlags >> 2) & 0x0003; + cSDHUFFDW = (wFlags >> 4) & 0x0003; + cSDHUFFBMSIZE = (wFlags >> 6) & 0x0001; + cSDHUFFAGGINST = (wFlags >> 7) & 0x0001; + if (pSymbolDictDecoder->SDHUFF == 0) { + if (pSymbolDictDecoder->SDTEMPLATE == 0) { + dwTemp = 8; + } else { + dwTemp = 2; + } + for (i = 0; i < (int32_t)dwTemp; i++) { + if (m_pStream->read1Byte((uint8_t*)&pSymbolDictDecoder->SDAT[i]) != 0) { + m_pModule->JBig2_Error( + "symbol dictionary segment : data header too short."); nRet = JBIG2_ERROR_TOO_SHORT; goto failed; - } - pSymbolDictDecoder->SDHUFF = wFlags & 0x0001; - pSymbolDictDecoder->SDREFAGG = (wFlags >> 1) & 0x0001; - pSymbolDictDecoder->SDTEMPLATE = (wFlags >> 10) & 0x0003; - pSymbolDictDecoder->SDRTEMPLATE = (wFlags >> 12) & 0x0003; - cSDHUFFDH = (wFlags >> 2) & 0x0003; - cSDHUFFDW = (wFlags >> 4) & 0x0003; - cSDHUFFBMSIZE = (wFlags >> 6) & 0x0001; - cSDHUFFAGGINST = (wFlags >> 7) & 0x0001; - if(pSymbolDictDecoder->SDHUFF == 0) { - if(pSymbolDictDecoder->SDTEMPLATE == 0) { - dwTemp = 8; - } else { - dwTemp = 2; - } - for(i = 0; i < (int32_t)dwTemp; i++) { - if(m_pStream->read1Byte((uint8_t*)&pSymbolDictDecoder->SDAT[i]) != 0) { - m_pModule->JBig2_Error("symbol dictionary segment : data header too short."); - nRet = JBIG2_ERROR_TOO_SHORT; - goto failed; - } - } - } - if((pSymbolDictDecoder->SDREFAGG == 1) && (pSymbolDictDecoder->SDRTEMPLATE == 0)) { - for(i = 0; i < 4; i++) { - if(m_pStream->read1Byte((uint8_t*)&pSymbolDictDecoder->SDRAT[i]) != 0) { - m_pModule->JBig2_Error("symbol dictionary segment : data header too short."); - nRet = JBIG2_ERROR_TOO_SHORT; - goto failed; - } - } - } - if((m_pStream->readInteger(&pSymbolDictDecoder->SDNUMEXSYMS) != 0) - || (m_pStream->readInteger(&pSymbolDictDecoder->SDNUMNEWSYMS) != 0)) { - m_pModule->JBig2_Error("symbol dictionary segment : data header too short."); + } + } + } + if ((pSymbolDictDecoder->SDREFAGG == 1) && + (pSymbolDictDecoder->SDRTEMPLATE == 0)) { + for (i = 0; i < 4; i++) { + if (m_pStream->read1Byte((uint8_t*)&pSymbolDictDecoder->SDRAT[i]) != 0) { + m_pModule->JBig2_Error( + "symbol dictionary segment : data header too short."); nRet = JBIG2_ERROR_TOO_SHORT; goto failed; - } - if (pSymbolDictDecoder->SDNUMEXSYMS > JBIG2_MAX_EXPORT_SYSMBOLS - || pSymbolDictDecoder->SDNUMNEWSYMS > JBIG2_MAX_NEW_SYSMBOLS) { - m_pModule->JBig2_Error("symbol dictionary segment : too many export/new symbols."); - nRet = JBIG2_ERROR_LIMIT; + } + } + } + if ((m_pStream->readInteger(&pSymbolDictDecoder->SDNUMEXSYMS) != 0) || + (m_pStream->readInteger(&pSymbolDictDecoder->SDNUMNEWSYMS) != 0)) { + m_pModule->JBig2_Error( + "symbol dictionary segment : data header too short."); + nRet = JBIG2_ERROR_TOO_SHORT; + goto failed; + } + if (pSymbolDictDecoder->SDNUMEXSYMS > JBIG2_MAX_EXPORT_SYSMBOLS || + pSymbolDictDecoder->SDNUMNEWSYMS > JBIG2_MAX_NEW_SYSMBOLS) { + m_pModule->JBig2_Error( + "symbol dictionary segment : too many export/new symbols."); + nRet = JBIG2_ERROR_LIMIT; + goto failed; + } + for (i = 0; i < pSegment->m_nReferred_to_segment_count; i++) { + if (!findSegmentByNumber(pSegment->m_pReferred_to_segment_numbers[i])) { + m_pModule->JBig2_Error( + "symbol dictionary segment : can't find refered to segments"); + nRet = JBIG2_ERROR_FATAL; + goto failed; + } + } + pSymbolDictDecoder->SDNUMINSYMS = 0; + for (i = 0; i < pSegment->m_nReferred_to_segment_count; i++) { + pSeg = findSegmentByNumber(pSegment->m_pReferred_to_segment_numbers[i]); + if (pSeg->m_cFlags.s.type == 0) { + pSymbolDictDecoder->SDNUMINSYMS += pSeg->m_Result.sd->SDNUMEXSYMS; + pLRSeg = pSeg; + } + } + if (pSymbolDictDecoder->SDNUMINSYMS == 0) { + SDINSYMS = NULL; + } else { + SDINSYMS = (CJBig2_Image**)m_pModule->JBig2_Malloc2( + sizeof(CJBig2_Image*), pSymbolDictDecoder->SDNUMINSYMS); + dwTemp = 0; + for (i = 0; i < pSegment->m_nReferred_to_segment_count; i++) { + pSeg = findSegmentByNumber(pSegment->m_pReferred_to_segment_numbers[i]); + if (pSeg->m_cFlags.s.type == 0) { + JBIG2_memcpy(SDINSYMS + dwTemp, pSeg->m_Result.sd->SDEXSYMS, + pSeg->m_Result.sd->SDNUMEXSYMS * sizeof(CJBig2_Image*)); + dwTemp += pSeg->m_Result.sd->SDNUMEXSYMS; + } + } + } + pSymbolDictDecoder->SDINSYMS = SDINSYMS; + if (pSymbolDictDecoder->SDHUFF == 1) { + if ((cSDHUFFDH == 2) || (cSDHUFFDW == 2)) { + m_pModule->JBig2_Error( + "symbol dictionary segment : SDHUFFDH=2 or SDHUFFDW=2 is not " + "permitted."); + nRet = JBIG2_ERROR_FATAL; + goto failed; + } + nIndex = 0; + if (cSDHUFFDH == 0) { + JBIG2_ALLOC(Table_B4, CJBig2_HuffmanTable(HuffmanTable_B4, + sizeof(HuffmanTable_B4) / + sizeof(JBig2TableLine), + HuffmanTable_HTOOB_B4)); + pSymbolDictDecoder->SDHUFFDH = Table_B4; + } else if (cSDHUFFDH == 1) { + JBIG2_ALLOC(Table_B5, CJBig2_HuffmanTable(HuffmanTable_B5, + sizeof(HuffmanTable_B5) / + sizeof(JBig2TableLine), + HuffmanTable_HTOOB_B5)); + pSymbolDictDecoder->SDHUFFDH = Table_B5; + } else { + pSeg = findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++); + if (!pSeg) { + m_pModule->JBig2_Error( + "symbol dictionary segment : SDHUFFDH can't find user supplied " + "table."); + nRet = JBIG2_ERROR_FATAL; goto failed; - } - for(i = 0; i < pSegment->m_nReferred_to_segment_count; i++) { - if(!findSegmentByNumber(pSegment->m_pReferred_to_segment_numbers[i])) { - m_pModule->JBig2_Error("symbol dictionary segment : can't find refered to segments"); - nRet = JBIG2_ERROR_FATAL; - goto failed; - } - } - pSymbolDictDecoder->SDNUMINSYMS = 0; - for(i = 0; i < pSegment->m_nReferred_to_segment_count; i++) { - pSeg = findSegmentByNumber(pSegment->m_pReferred_to_segment_numbers[i]); - if(pSeg->m_cFlags.s.type == 0) { - pSymbolDictDecoder->SDNUMINSYMS += pSeg->m_Result.sd->SDNUMEXSYMS; - pLRSeg = pSeg; - } - } - if(pSymbolDictDecoder->SDNUMINSYMS == 0) { - SDINSYMS = NULL; + } + pSymbolDictDecoder->SDHUFFDH = pSeg->m_Result.ht; + } + if (cSDHUFFDW == 0) { + JBIG2_ALLOC(Table_B2, CJBig2_HuffmanTable(HuffmanTable_B2, + sizeof(HuffmanTable_B2) / + sizeof(JBig2TableLine), + HuffmanTable_HTOOB_B2)); + pSymbolDictDecoder->SDHUFFDW = Table_B2; + } else if (cSDHUFFDW == 1) { + JBIG2_ALLOC(Table_B3, CJBig2_HuffmanTable(HuffmanTable_B3, + sizeof(HuffmanTable_B3) / + sizeof(JBig2TableLine), + HuffmanTable_HTOOB_B3)); + pSymbolDictDecoder->SDHUFFDW = Table_B3; } else { - SDINSYMS = (CJBig2_Image**)m_pModule->JBig2_Malloc2( - sizeof(CJBig2_Image*), pSymbolDictDecoder->SDNUMINSYMS); - dwTemp = 0; - for(i = 0; i < pSegment->m_nReferred_to_segment_count; i++) { - pSeg = findSegmentByNumber(pSegment->m_pReferred_to_segment_numbers[i]); - if(pSeg->m_cFlags.s.type == 0) { - JBIG2_memcpy(SDINSYMS + dwTemp, pSeg->m_Result.sd->SDEXSYMS, - pSeg->m_Result.sd->SDNUMEXSYMS * sizeof(CJBig2_Image*)); - dwTemp += pSeg->m_Result.sd->SDNUMEXSYMS; - } - } - } - pSymbolDictDecoder->SDINSYMS = SDINSYMS; - if(pSymbolDictDecoder->SDHUFF == 1) { - if((cSDHUFFDH == 2) || (cSDHUFFDW == 2)) { - m_pModule->JBig2_Error("symbol dictionary segment : SDHUFFDH=2 or SDHUFFDW=2 is not permitted."); - nRet = JBIG2_ERROR_FATAL; - goto failed; - } - nIndex = 0; - if(cSDHUFFDH == 0) { - JBIG2_ALLOC(Table_B4, CJBig2_HuffmanTable(HuffmanTable_B4, - sizeof(HuffmanTable_B4) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B4)); - pSymbolDictDecoder->SDHUFFDH = Table_B4; - } else if(cSDHUFFDH == 1) { - JBIG2_ALLOC(Table_B5, CJBig2_HuffmanTable(HuffmanTable_B5, - sizeof(HuffmanTable_B5) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B5)); - pSymbolDictDecoder->SDHUFFDH = Table_B5; - } else { - pSeg = findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++); - if(!pSeg) { - m_pModule->JBig2_Error("symbol dictionary segment : SDHUFFDH can't find user supplied table."); - nRet = JBIG2_ERROR_FATAL; - goto failed; - } - pSymbolDictDecoder->SDHUFFDH = pSeg->m_Result.ht; - } - if(cSDHUFFDW == 0) { - JBIG2_ALLOC(Table_B2, CJBig2_HuffmanTable(HuffmanTable_B2, - sizeof(HuffmanTable_B2) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B2)); - pSymbolDictDecoder->SDHUFFDW = Table_B2; - } else if(cSDHUFFDW == 1) { - JBIG2_ALLOC(Table_B3, CJBig2_HuffmanTable(HuffmanTable_B3, - sizeof(HuffmanTable_B3) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B3)); - pSymbolDictDecoder->SDHUFFDW = Table_B3; - } else { - pSeg = findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++); - if(!pSeg) { - m_pModule->JBig2_Error("symbol dictionary segment : SDHUFFDW can't find user supplied table."); - nRet = JBIG2_ERROR_FATAL; - goto failed; - } - pSymbolDictDecoder->SDHUFFDW = pSeg->m_Result.ht; - } - if(cSDHUFFBMSIZE == 0) { - JBIG2_ALLOC(Table_B1, CJBig2_HuffmanTable(HuffmanTable_B1, - sizeof(HuffmanTable_B1) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B1)); - pSymbolDictDecoder->SDHUFFBMSIZE = Table_B1; - } else { - pSeg = findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++); - if(!pSeg) { - m_pModule->JBig2_Error("symbol dictionary segment : SDHUFFBMSIZE can't find user supplied table."); - nRet = JBIG2_ERROR_FATAL; - goto failed; - } - pSymbolDictDecoder->SDHUFFBMSIZE = pSeg->m_Result.ht; - } - if(pSymbolDictDecoder->SDREFAGG == 1) { - if(cSDHUFFAGGINST == 0) { - if(!Table_B1) { - JBIG2_ALLOC(Table_B1, CJBig2_HuffmanTable(HuffmanTable_B1, - sizeof(HuffmanTable_B1) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B1)); - } - pSymbolDictDecoder->SDHUFFAGGINST = Table_B1; - } else { - pSeg = findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++); - if(!pSeg) { - m_pModule->JBig2_Error("symbol dictionary segment : SDHUFFAGGINST can't find user supplied table."); - nRet = JBIG2_ERROR_FATAL; - goto failed; - } - pSymbolDictDecoder->SDHUFFAGGINST = pSeg->m_Result.ht; - } - } - } - if((wFlags & 0x0100) && pLRSeg && pLRSeg->m_Result.sd->m_bContextRetained) { - if (pSymbolDictDecoder->SDHUFF == 0) { - dwTemp = pSymbolDictDecoder->SDTEMPLATE == 0 ? 65536 : pSymbolDictDecoder->SDTEMPLATE == 1 ? - 8192 : 1024; - gbContext = (JBig2ArithCtx*)m_pModule->JBig2_Malloc2(sizeof(JBig2ArithCtx), dwTemp); - JBIG2_memcpy(gbContext, pLRSeg->m_Result.sd->m_gbContext, sizeof(JBig2ArithCtx)*dwTemp); - } - if (pSymbolDictDecoder->SDREFAGG == 1) { - dwTemp = pSymbolDictDecoder->SDRTEMPLATE ? 1 << 10 : 1 << 13; - grContext = (JBig2ArithCtx*)m_pModule->JBig2_Malloc2(sizeof(JBig2ArithCtx), dwTemp); - JBIG2_memcpy(grContext, pLRSeg->m_Result.sd->m_grContext, sizeof(JBig2ArithCtx)*dwTemp); - } + pSeg = findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++); + if (!pSeg) { + m_pModule->JBig2_Error( + "symbol dictionary segment : SDHUFFDW can't find user supplied " + "table."); + nRet = JBIG2_ERROR_FATAL; + goto failed; + } + pSymbolDictDecoder->SDHUFFDW = pSeg->m_Result.ht; + } + if (cSDHUFFBMSIZE == 0) { + JBIG2_ALLOC(Table_B1, CJBig2_HuffmanTable(HuffmanTable_B1, + sizeof(HuffmanTable_B1) / + sizeof(JBig2TableLine), + HuffmanTable_HTOOB_B1)); + pSymbolDictDecoder->SDHUFFBMSIZE = Table_B1; } else { - if (pSymbolDictDecoder->SDHUFF == 0) { - dwTemp = pSymbolDictDecoder->SDTEMPLATE == 0 ? 65536 : pSymbolDictDecoder->SDTEMPLATE == 1 ? - 8192 : 1024; - gbContext = (JBig2ArithCtx*)m_pModule->JBig2_Malloc2(sizeof(JBig2ArithCtx), dwTemp); - JBIG2_memset(gbContext, 0, sizeof(JBig2ArithCtx)*dwTemp); - } - if (pSymbolDictDecoder->SDREFAGG == 1) { - dwTemp = pSymbolDictDecoder->SDRTEMPLATE ? 1 << 10 : 1 << 13; - grContext = (JBig2ArithCtx*)m_pModule->JBig2_Malloc2(sizeof(JBig2ArithCtx), dwTemp); - JBIG2_memset(grContext, 0, sizeof(JBig2ArithCtx)*dwTemp); - } - } - pSegment->m_nResultType = JBIG2_SYMBOL_DICT_POINTER; - for(std::list<CJBig2_CachePair>::iterator it = - m_pSymbolDictCache->begin(); it != m_pSymbolDictCache->end(); ++it) { - if (it->first == key) { - pSegment->m_Result.sd = it->second->DeepCopy(); - m_pSymbolDictCache->push_front(*it); - m_pSymbolDictCache->erase(it); - cache_hit = true; - break; - } - } - if (!cache_hit) { - if(pSymbolDictDecoder->SDHUFF == 0) { - JBIG2_ALLOC(pArithDecoder, CJBig2_ArithDecoder(m_pStream)); - pSegment->m_Result.sd = pSymbolDictDecoder->decode_Arith(pArithDecoder, gbContext, grContext); - delete pArithDecoder; - if(pSegment->m_Result.sd == NULL) { - nRet = JBIG2_ERROR_FATAL; - goto failed; - } - m_pStream->alignByte(); - m_pStream->offset(2); - } else { - pSegment->m_Result.sd = pSymbolDictDecoder->decode_Huffman(m_pStream, gbContext, grContext, pPause); - if(pSegment->m_Result.sd == NULL) { - nRet = JBIG2_ERROR_FATAL; - goto failed; - } - m_pStream->alignByte(); - } - CJBig2_SymbolDict *value = pSegment->m_Result.sd->DeepCopy(); - if (value && kSymbolDictCacheMaxSize > 0) { - while (m_pSymbolDictCache->size() >= kSymbolDictCacheMaxSize) { - delete m_pSymbolDictCache->back().second; - m_pSymbolDictCache->pop_back(); - } - m_pSymbolDictCache->push_front(CJBig2_CachePair(key, value)); - } - } - if(wFlags & 0x0200) { - pSegment->m_Result.sd->m_bContextRetained = TRUE; - if(pSymbolDictDecoder->SDHUFF == 0) { - pSegment->m_Result.sd->m_gbContext = gbContext; - } - if(pSymbolDictDecoder->SDREFAGG == 1) { - pSegment->m_Result.sd->m_grContext = grContext; - } - bUsed = TRUE; + pSeg = findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++); + if (!pSeg) { + m_pModule->JBig2_Error( + "symbol dictionary segment : SDHUFFBMSIZE can't find user supplied " + "table."); + nRet = JBIG2_ERROR_FATAL; + goto failed; + } + pSymbolDictDecoder->SDHUFFBMSIZE = pSeg->m_Result.ht; + } + if (pSymbolDictDecoder->SDREFAGG == 1) { + if (cSDHUFFAGGINST == 0) { + if (!Table_B1) { + JBIG2_ALLOC(Table_B1, CJBig2_HuffmanTable(HuffmanTable_B1, + sizeof(HuffmanTable_B1) / + sizeof(JBig2TableLine), + HuffmanTable_HTOOB_B1)); + } + pSymbolDictDecoder->SDHUFFAGGINST = Table_B1; + } else { + pSeg = findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++); + if (!pSeg) { + m_pModule->JBig2_Error( + "symbol dictionary segment : SDHUFFAGGINST can't find user " + "supplied table."); + nRet = JBIG2_ERROR_FATAL; + goto failed; + } + pSymbolDictDecoder->SDHUFFAGGINST = pSeg->m_Result.ht; + } + } + } + if ((wFlags & 0x0100) && pLRSeg && pLRSeg->m_Result.sd->m_bContextRetained) { + if (pSymbolDictDecoder->SDHUFF == 0) { + dwTemp = pSymbolDictDecoder->SDTEMPLATE == 0 + ? 65536 + : pSymbolDictDecoder->SDTEMPLATE == 1 ? 8192 : 1024; + gbContext = (JBig2ArithCtx*)m_pModule->JBig2_Malloc2( + sizeof(JBig2ArithCtx), dwTemp); + JBIG2_memcpy(gbContext, pLRSeg->m_Result.sd->m_gbContext, + sizeof(JBig2ArithCtx) * dwTemp); + } + if (pSymbolDictDecoder->SDREFAGG == 1) { + dwTemp = pSymbolDictDecoder->SDRTEMPLATE ? 1 << 10 : 1 << 13; + grContext = (JBig2ArithCtx*)m_pModule->JBig2_Malloc2( + sizeof(JBig2ArithCtx), dwTemp); + JBIG2_memcpy(grContext, pLRSeg->m_Result.sd->m_grContext, + sizeof(JBig2ArithCtx) * dwTemp); + } + } else { + if (pSymbolDictDecoder->SDHUFF == 0) { + dwTemp = pSymbolDictDecoder->SDTEMPLATE == 0 + ? 65536 + : pSymbolDictDecoder->SDTEMPLATE == 1 ? 8192 : 1024; + gbContext = (JBig2ArithCtx*)m_pModule->JBig2_Malloc2( + sizeof(JBig2ArithCtx), dwTemp); + JBIG2_memset(gbContext, 0, sizeof(JBig2ArithCtx) * dwTemp); + } + if (pSymbolDictDecoder->SDREFAGG == 1) { + dwTemp = pSymbolDictDecoder->SDRTEMPLATE ? 1 << 10 : 1 << 13; + grContext = (JBig2ArithCtx*)m_pModule->JBig2_Malloc2( + sizeof(JBig2ArithCtx), dwTemp); + JBIG2_memset(grContext, 0, sizeof(JBig2ArithCtx) * dwTemp); + } + } + pSegment->m_nResultType = JBIG2_SYMBOL_DICT_POINTER; + for (std::list<CJBig2_CachePair>::iterator it = m_pSymbolDictCache->begin(); + it != m_pSymbolDictCache->end(); ++it) { + if (it->first == key) { + pSegment->m_Result.sd = it->second->DeepCopy(); + m_pSymbolDictCache->push_front(*it); + m_pSymbolDictCache->erase(it); + cache_hit = true; + break; + } + } + if (!cache_hit) { + if (pSymbolDictDecoder->SDHUFF == 0) { + JBIG2_ALLOC(pArithDecoder, CJBig2_ArithDecoder(m_pStream)); + pSegment->m_Result.sd = + pSymbolDictDecoder->decode_Arith(pArithDecoder, gbContext, grContext); + delete pArithDecoder; + if (pSegment->m_Result.sd == NULL) { + nRet = JBIG2_ERROR_FATAL; + goto failed; + } + m_pStream->alignByte(); + m_pStream->offset(2); } else { - bUsed = FALSE; - } - delete pSymbolDictDecoder; - if(SDINSYMS) { - m_pModule->JBig2_Free(SDINSYMS); - } - delete Table_B1; - delete Table_B2; - delete Table_B3; - delete Table_B4; - delete Table_B5; - if(bUsed == FALSE) { - if(gbContext) { - m_pModule->JBig2_Free(gbContext); - } - if(grContext) { - m_pModule->JBig2_Free(grContext); - } - } - return JBIG2_SUCCESS; + pSegment->m_Result.sd = pSymbolDictDecoder->decode_Huffman( + m_pStream, gbContext, grContext, pPause); + if (pSegment->m_Result.sd == NULL) { + nRet = JBIG2_ERROR_FATAL; + goto failed; + } + m_pStream->alignByte(); + } + CJBig2_SymbolDict* value = pSegment->m_Result.sd->DeepCopy(); + if (value && kSymbolDictCacheMaxSize > 0) { + while (m_pSymbolDictCache->size() >= kSymbolDictCacheMaxSize) { + delete m_pSymbolDictCache->back().second; + m_pSymbolDictCache->pop_back(); + } + m_pSymbolDictCache->push_front(CJBig2_CachePair(key, value)); + } + } + if (wFlags & 0x0200) { + pSegment->m_Result.sd->m_bContextRetained = TRUE; + if (pSymbolDictDecoder->SDHUFF == 0) { + pSegment->m_Result.sd->m_gbContext = gbContext; + } + if (pSymbolDictDecoder->SDREFAGG == 1) { + pSegment->m_Result.sd->m_grContext = grContext; + } + bUsed = TRUE; + } else { + bUsed = FALSE; + } + delete pSymbolDictDecoder; + if (SDINSYMS) { + m_pModule->JBig2_Free(SDINSYMS); + } + delete Table_B1; + delete Table_B2; + delete Table_B3; + delete Table_B4; + delete Table_B5; + if (bUsed == FALSE) { + if (gbContext) { + m_pModule->JBig2_Free(gbContext); + } + if (grContext) { + m_pModule->JBig2_Free(grContext); + } + } + return JBIG2_SUCCESS; failed: - delete pSymbolDictDecoder; - if(SDINSYMS) { - m_pModule->JBig2_Free(SDINSYMS); - } - delete Table_B1; - delete Table_B2; - delete Table_B3; - delete Table_B4; - delete Table_B5; - if(gbContext) { - m_pModule->JBig2_Free(gbContext); - } - if(grContext) { - m_pModule->JBig2_Free(grContext); - } - return nRet; + delete pSymbolDictDecoder; + if (SDINSYMS) { + m_pModule->JBig2_Free(SDINSYMS); + } + delete Table_B1; + delete Table_B2; + delete Table_B3; + delete Table_B4; + delete Table_B5; + if (gbContext) { + m_pModule->JBig2_Free(gbContext); + } + if (grContext) { + m_pModule->JBig2_Free(grContext); + } + return nRet; } -int32_t CJBig2_Context::parseTextRegion(CJBig2_Segment *pSegment) -{ - FX_DWORD dwTemp; - FX_WORD wFlags; - int32_t i, nIndex, nRet; - JBig2RegionInfo ri; - CJBig2_Segment *pSeg; - CJBig2_Image **SBSYMS = NULL; - JBig2HuffmanCode *SBSYMCODES = NULL; - uint8_t cSBHUFFFS, cSBHUFFDS, cSBHUFFDT, cSBHUFFRDW, cSBHUFFRDH, cSBHUFFRDX, cSBHUFFRDY, cSBHUFFRSIZE; - CJBig2_HuffmanTable *Table_B1 = NULL, - *Table_B6 = NULL, - *Table_B7 = NULL, - *Table_B8 = NULL, - *Table_B9 = NULL, - *Table_B10 = NULL, - *Table_B11 = NULL, - *Table_B12 = NULL, - *Table_B13 = NULL, - *Table_B14 = NULL, - *Table_B15 = NULL; - JBig2ArithCtx *grContext = NULL; - CJBig2_ArithDecoder *pArithDecoder; - CJBig2_TRDProc *pTRD; - JBIG2_ALLOC(pTRD, CJBig2_TRDProc()); - if((parseRegionInfo(&ri) != JBIG2_SUCCESS) - || (m_pStream->readShortInteger(&wFlags) != 0)) { +int32_t CJBig2_Context::parseTextRegion(CJBig2_Segment* pSegment) { + FX_DWORD dwTemp; + FX_WORD wFlags; + int32_t i, nIndex, nRet; + JBig2RegionInfo ri; + CJBig2_Segment* pSeg; + CJBig2_Image** SBSYMS = NULL; + JBig2HuffmanCode* SBSYMCODES = NULL; + uint8_t cSBHUFFFS, cSBHUFFDS, cSBHUFFDT, cSBHUFFRDW, cSBHUFFRDH, cSBHUFFRDX, + cSBHUFFRDY, cSBHUFFRSIZE; + CJBig2_HuffmanTable *Table_B1 = NULL, *Table_B6 = NULL, *Table_B7 = NULL, + *Table_B8 = NULL, *Table_B9 = NULL, *Table_B10 = NULL, + *Table_B11 = NULL, *Table_B12 = NULL, *Table_B13 = NULL, + *Table_B14 = NULL, *Table_B15 = NULL; + JBig2ArithCtx* grContext = NULL; + CJBig2_ArithDecoder* pArithDecoder; + CJBig2_TRDProc* pTRD; + JBIG2_ALLOC(pTRD, CJBig2_TRDProc()); + if ((parseRegionInfo(&ri) != JBIG2_SUCCESS) || + (m_pStream->readShortInteger(&wFlags) != 0)) { + m_pModule->JBig2_Error("text region segment : data header too short."); + nRet = JBIG2_ERROR_TOO_SHORT; + goto failed; + } + pTRD->SBW = ri.width; + pTRD->SBH = ri.height; + pTRD->SBHUFF = wFlags & 0x0001; + pTRD->SBREFINE = (wFlags >> 1) & 0x0001; + dwTemp = (wFlags >> 2) & 0x0003; + pTRD->SBSTRIPS = 1 << dwTemp; + pTRD->REFCORNER = (JBig2Corner)((wFlags >> 4) & 0x0003); + pTRD->TRANSPOSED = (wFlags >> 6) & 0x0001; + pTRD->SBCOMBOP = (JBig2ComposeOp)((wFlags >> 7) & 0x0003); + pTRD->SBDEFPIXEL = (wFlags >> 9) & 0x0001; + pTRD->SBDSOFFSET = (wFlags >> 10) & 0x001f; + if (pTRD->SBDSOFFSET >= 0x0010) { + pTRD->SBDSOFFSET = pTRD->SBDSOFFSET - 0x0020; + } + pTRD->SBRTEMPLATE = (wFlags >> 15) & 0x0001; + if (pTRD->SBHUFF == 1) { + if (m_pStream->readShortInteger(&wFlags) != 0) { + m_pModule->JBig2_Error("text region segment : data header too short."); + nRet = JBIG2_ERROR_TOO_SHORT; + goto failed; + } + cSBHUFFFS = wFlags & 0x0003; + cSBHUFFDS = (wFlags >> 2) & 0x0003; + cSBHUFFDT = (wFlags >> 4) & 0x0003; + cSBHUFFRDW = (wFlags >> 6) & 0x0003; + cSBHUFFRDH = (wFlags >> 8) & 0x0003; + cSBHUFFRDX = (wFlags >> 10) & 0x0003; + cSBHUFFRDY = (wFlags >> 12) & 0x0003; + cSBHUFFRSIZE = (wFlags >> 14) & 0x0001; + } + if ((pTRD->SBREFINE == 1) && (pTRD->SBRTEMPLATE == 0)) { + for (i = 0; i < 4; i++) { + if (m_pStream->read1Byte((uint8_t*)&pTRD->SBRAT[i]) != 0) { m_pModule->JBig2_Error("text region segment : data header too short."); nRet = JBIG2_ERROR_TOO_SHORT; goto failed; + } + } + } + if (m_pStream->readInteger(&pTRD->SBNUMINSTANCES) != 0) { + m_pModule->JBig2_Error("text region segment : data header too short."); + nRet = JBIG2_ERROR_TOO_SHORT; + goto failed; + } + for (i = 0; i < pSegment->m_nReferred_to_segment_count; i++) { + if (!findSegmentByNumber(pSegment->m_pReferred_to_segment_numbers[i])) { + m_pModule->JBig2_Error( + "text region segment : can't find refered to segments"); + nRet = JBIG2_ERROR_FATAL; + goto failed; + } + } + pTRD->SBNUMSYMS = 0; + for (i = 0; i < pSegment->m_nReferred_to_segment_count; i++) { + pSeg = findSegmentByNumber(pSegment->m_pReferred_to_segment_numbers[i]); + if (pSeg->m_cFlags.s.type == 0) { + pTRD->SBNUMSYMS += pSeg->m_Result.sd->SDNUMEXSYMS; + } + } + if (pTRD->SBNUMSYMS > 0) { + SBSYMS = (CJBig2_Image**)m_pModule->JBig2_Malloc2(sizeof(CJBig2_Image*), + pTRD->SBNUMSYMS); + dwTemp = 0; + for (i = 0; i < pSegment->m_nReferred_to_segment_count; i++) { + pSeg = findSegmentByNumber(pSegment->m_pReferred_to_segment_numbers[i]); + if (pSeg->m_cFlags.s.type == 0) { + JBIG2_memcpy(SBSYMS + dwTemp, pSeg->m_Result.sd->SDEXSYMS, + pSeg->m_Result.sd->SDNUMEXSYMS * sizeof(CJBig2_Image*)); + dwTemp += pSeg->m_Result.sd->SDNUMEXSYMS; + } + } + pTRD->SBSYMS = SBSYMS; + } else { + pTRD->SBSYMS = NULL; + } + if (pTRD->SBHUFF == 1) { + SBSYMCODES = decodeSymbolIDHuffmanTable(m_pStream, pTRD->SBNUMSYMS); + if (SBSYMCODES == NULL) { + m_pModule->JBig2_Error( + "text region segment: symbol ID huffman table decode failure!"); + nRet = JBIG2_ERROR_FATAL; + goto failed; } - pTRD->SBW = ri.width; - pTRD->SBH = ri.height; - pTRD->SBHUFF = wFlags & 0x0001; - pTRD->SBREFINE = (wFlags >> 1) & 0x0001; - dwTemp = (wFlags >> 2) & 0x0003; - pTRD->SBSTRIPS = 1 << dwTemp; - pTRD->REFCORNER = (JBig2Corner)((wFlags >> 4) & 0x0003); - pTRD->TRANSPOSED = (wFlags >> 6) & 0x0001; - pTRD->SBCOMBOP = (JBig2ComposeOp)((wFlags >> 7) & 0x0003); - pTRD->SBDEFPIXEL = (wFlags >> 9) & 0x0001; - pTRD->SBDSOFFSET = (wFlags >> 10) & 0x001f; - if(pTRD->SBDSOFFSET >= 0x0010) { - pTRD->SBDSOFFSET = pTRD->SBDSOFFSET - 0x0020; - } - pTRD->SBRTEMPLATE = (wFlags >> 15) & 0x0001; - if(pTRD->SBHUFF == 1) { - if(m_pStream->readShortInteger(&wFlags) != 0) { - m_pModule->JBig2_Error("text region segment : data header too short."); - nRet = JBIG2_ERROR_TOO_SHORT; - goto failed; - } - cSBHUFFFS = wFlags & 0x0003; - cSBHUFFDS = (wFlags >> 2) & 0x0003; - cSBHUFFDT = (wFlags >> 4) & 0x0003; - cSBHUFFRDW = (wFlags >> 6) & 0x0003; - cSBHUFFRDH = (wFlags >> 8) & 0x0003; - cSBHUFFRDX = (wFlags >> 10) & 0x0003; - cSBHUFFRDY = (wFlags >> 12) & 0x0003; - cSBHUFFRSIZE = (wFlags >> 14) & 0x0001; - } - if((pTRD->SBREFINE == 1) && (pTRD->SBRTEMPLATE == 0)) { - for(i = 0; i < 4; i++) { - if(m_pStream->read1Byte((uint8_t*)&pTRD->SBRAT[i]) != 0) { - m_pModule->JBig2_Error("text region segment : data header too short."); - nRet = JBIG2_ERROR_TOO_SHORT; - goto failed; - } - } - } - if(m_pStream->readInteger(&pTRD->SBNUMINSTANCES) != 0) { - m_pModule->JBig2_Error("text region segment : data header too short."); - nRet = JBIG2_ERROR_TOO_SHORT; - goto failed; - } - for(i = 0; i < pSegment->m_nReferred_to_segment_count; i++) { - if(!findSegmentByNumber(pSegment->m_pReferred_to_segment_numbers[i])) { - m_pModule->JBig2_Error("text region segment : can't find refered to segments"); - nRet = JBIG2_ERROR_FATAL; - goto failed; - } - } - pTRD->SBNUMSYMS = 0; - for(i = 0; i < pSegment->m_nReferred_to_segment_count; i++) { - pSeg = findSegmentByNumber(pSegment->m_pReferred_to_segment_numbers[i]); - if(pSeg->m_cFlags.s.type == 0) { - pTRD->SBNUMSYMS += pSeg->m_Result.sd->SDNUMEXSYMS; - } - } - if (pTRD->SBNUMSYMS > 0) { - SBSYMS = (CJBig2_Image**)m_pModule->JBig2_Malloc2( - sizeof(CJBig2_Image*), pTRD->SBNUMSYMS); - dwTemp = 0; - for(i = 0; i < pSegment->m_nReferred_to_segment_count; i++) { - pSeg = findSegmentByNumber(pSegment->m_pReferred_to_segment_numbers[i]); - if(pSeg->m_cFlags.s.type == 0) { - JBIG2_memcpy(SBSYMS + dwTemp, pSeg->m_Result.sd->SDEXSYMS, - pSeg->m_Result.sd->SDNUMEXSYMS * sizeof(CJBig2_Image*)); - dwTemp += pSeg->m_Result.sd->SDNUMEXSYMS; - } - } - pTRD->SBSYMS = SBSYMS; + m_pStream->alignByte(); + pTRD->SBSYMCODES = SBSYMCODES; + } else { + dwTemp = 0; + while ((FX_DWORD)(1 << dwTemp) < pTRD->SBNUMSYMS) { + dwTemp++; + } + pTRD->SBSYMCODELEN = (uint8_t)dwTemp; + } + if (pTRD->SBHUFF == 1) { + if ((cSBHUFFFS == 2) || (cSBHUFFRDW == 2) || (cSBHUFFRDH == 2) || + (cSBHUFFRDX == 2) || (cSBHUFFRDY == 2)) { + m_pModule->JBig2_Error( + "text region segment : SBHUFFFS=2 or SBHUFFRDW=2 or " + "SBHUFFRDH=2 or SBHUFFRDX=2 or SBHUFFRDY=2 is not permitted"); + nRet = JBIG2_ERROR_FATAL; + goto failed; + } + nIndex = 0; + if (cSBHUFFFS == 0) { + JBIG2_ALLOC(Table_B6, CJBig2_HuffmanTable(HuffmanTable_B6, + sizeof(HuffmanTable_B6) / + sizeof(JBig2TableLine), + HuffmanTable_HTOOB_B6)); + pTRD->SBHUFFFS = Table_B6; + } else if (cSBHUFFFS == 1) { + JBIG2_ALLOC(Table_B7, CJBig2_HuffmanTable(HuffmanTable_B7, + sizeof(HuffmanTable_B7) / + sizeof(JBig2TableLine), + HuffmanTable_HTOOB_B7)); + pTRD->SBHUFFFS = Table_B7; } else { - pTRD->SBSYMS = NULL; - } - if(pTRD->SBHUFF == 1) { - SBSYMCODES = decodeSymbolIDHuffmanTable(m_pStream, pTRD->SBNUMSYMS); - if(SBSYMCODES == NULL) { - m_pModule->JBig2_Error("text region segment: symbol ID huffman table decode failure!"); - nRet = JBIG2_ERROR_FATAL; - goto failed; - } - m_pStream->alignByte(); - pTRD->SBSYMCODES = SBSYMCODES; + pSeg = findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++); + if (!pSeg) { + m_pModule->JBig2_Error( + "text region segment : SBHUFFFS can't find user supplied table"); + nRet = JBIG2_ERROR_FATAL; + goto failed; + } + pTRD->SBHUFFFS = pSeg->m_Result.ht; + } + if (cSBHUFFDS == 0) { + JBIG2_ALLOC(Table_B8, CJBig2_HuffmanTable(HuffmanTable_B8, + sizeof(HuffmanTable_B8) / + sizeof(JBig2TableLine), + HuffmanTable_HTOOB_B8)); + pTRD->SBHUFFDS = Table_B8; + } else if (cSBHUFFDS == 1) { + JBIG2_ALLOC(Table_B9, CJBig2_HuffmanTable(HuffmanTable_B9, + sizeof(HuffmanTable_B9) / + sizeof(JBig2TableLine), + HuffmanTable_HTOOB_B9)); + pTRD->SBHUFFDS = Table_B9; + } else if (cSBHUFFDS == 2) { + JBIG2_ALLOC(Table_B10, CJBig2_HuffmanTable(HuffmanTable_B10, + sizeof(HuffmanTable_B10) / + sizeof(JBig2TableLine), + HuffmanTable_HTOOB_B10)); + pTRD->SBHUFFDS = Table_B10; } else { - dwTemp = 0; - while((FX_DWORD)(1 << dwTemp) < pTRD->SBNUMSYMS) { - dwTemp ++; - } - pTRD->SBSYMCODELEN = (uint8_t)dwTemp; - } - if(pTRD->SBHUFF == 1) { - if((cSBHUFFFS == 2) || (cSBHUFFRDW == 2) || (cSBHUFFRDH == 2) - || (cSBHUFFRDX == 2) || (cSBHUFFRDY == 2)) { - m_pModule->JBig2_Error("text region segment : SBHUFFFS=2 or SBHUFFRDW=2 or " - "SBHUFFRDH=2 or SBHUFFRDX=2 or SBHUFFRDY=2 is not permitted"); - nRet = JBIG2_ERROR_FATAL; - goto failed; - } - nIndex = 0; - if(cSBHUFFFS == 0) { - JBIG2_ALLOC(Table_B6, CJBig2_HuffmanTable(HuffmanTable_B6, - sizeof(HuffmanTable_B6) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B6)); - pTRD->SBHUFFFS = Table_B6; - } else if(cSBHUFFFS == 1) { - JBIG2_ALLOC(Table_B7, CJBig2_HuffmanTable(HuffmanTable_B7, - sizeof(HuffmanTable_B7) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B7)); - pTRD->SBHUFFFS = Table_B7; - } else { - pSeg = findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++); - if(!pSeg) { - m_pModule->JBig2_Error("text region segment : SBHUFFFS can't find user supplied table"); - nRet = JBIG2_ERROR_FATAL; - goto failed; - } - pTRD->SBHUFFFS = pSeg->m_Result.ht; - } - if(cSBHUFFDS == 0) { - JBIG2_ALLOC(Table_B8, CJBig2_HuffmanTable(HuffmanTable_B8, - sizeof(HuffmanTable_B8) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B8)); - pTRD->SBHUFFDS = Table_B8; - } else if(cSBHUFFDS == 1) { - JBIG2_ALLOC(Table_B9, CJBig2_HuffmanTable(HuffmanTable_B9, - sizeof(HuffmanTable_B9) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B9)); - pTRD->SBHUFFDS = Table_B9; - } else if(cSBHUFFDS == 2) { - JBIG2_ALLOC(Table_B10, CJBig2_HuffmanTable(HuffmanTable_B10, - sizeof(HuffmanTable_B10) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B10)); - pTRD->SBHUFFDS = Table_B10; - } else { - pSeg = findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++); - if(!pSeg) { - m_pModule->JBig2_Error("text region segment : SBHUFFDS can't find user supplied table"); - nRet = JBIG2_ERROR_FATAL; - goto failed; - } - pTRD->SBHUFFDS = pSeg->m_Result.ht; - } - if(cSBHUFFDT == 0) { - JBIG2_ALLOC(Table_B11, CJBig2_HuffmanTable(HuffmanTable_B11, - sizeof(HuffmanTable_B11) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B11)); - pTRD->SBHUFFDT = Table_B11; - } else if(cSBHUFFDT == 1) { - JBIG2_ALLOC(Table_B12, CJBig2_HuffmanTable(HuffmanTable_B12, - sizeof(HuffmanTable_B12) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B12)); - pTRD->SBHUFFDT = Table_B12; - } else if(cSBHUFFDT == 2) { - JBIG2_ALLOC(Table_B13, CJBig2_HuffmanTable(HuffmanTable_B13, - sizeof(HuffmanTable_B13) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B13)); - pTRD->SBHUFFDT = Table_B13; - } else { - pSeg = findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++); - if(!pSeg) { - m_pModule->JBig2_Error("text region segment : SBHUFFDT can't find user supplied table"); - nRet = JBIG2_ERROR_FATAL; - goto failed; - } - pTRD->SBHUFFDT = pSeg->m_Result.ht; - } - if(cSBHUFFRDW == 0) { - JBIG2_ALLOC(Table_B14, CJBig2_HuffmanTable(HuffmanTable_B14, - sizeof(HuffmanTable_B14) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B14)); - pTRD->SBHUFFRDW = Table_B14; - } else if(cSBHUFFRDW == 1) { - JBIG2_ALLOC(Table_B15, CJBig2_HuffmanTable(HuffmanTable_B15, - sizeof(HuffmanTable_B15) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B15)); - pTRD->SBHUFFRDW = Table_B15; - } else { - pSeg = findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++); - if(!pSeg) { - m_pModule->JBig2_Error("text region segment : SBHUFFRDW can't find user supplied table"); - nRet = JBIG2_ERROR_FATAL; - goto failed; - } - pTRD->SBHUFFRDW = pSeg->m_Result.ht; - } - if(cSBHUFFRDH == 0) { - if(!Table_B14) { - JBIG2_ALLOC(Table_B14, CJBig2_HuffmanTable(HuffmanTable_B14, - sizeof(HuffmanTable_B14) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B14)); - } - pTRD->SBHUFFRDH = Table_B14; - } else if(cSBHUFFRDH == 1) { - if(!Table_B15) { - JBIG2_ALLOC(Table_B15, CJBig2_HuffmanTable(HuffmanTable_B15, - sizeof(HuffmanTable_B15) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B15)); - } - pTRD->SBHUFFRDH = Table_B15; - } else { - pSeg = findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++); - if(!pSeg) { - m_pModule->JBig2_Error("text region segment : SBHUFFRDH can't find user supplied table"); - nRet = JBIG2_ERROR_FATAL; - goto failed; - } - pTRD->SBHUFFRDH = pSeg->m_Result.ht; - } - if(cSBHUFFRDX == 0) { - if(!Table_B14) { - JBIG2_ALLOC(Table_B14, CJBig2_HuffmanTable(HuffmanTable_B14, - sizeof(HuffmanTable_B14) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B14)); - } - pTRD->SBHUFFRDX = Table_B14; - } else if(cSBHUFFRDX == 1) { - if(!Table_B15) { - JBIG2_ALLOC(Table_B15, CJBig2_HuffmanTable(HuffmanTable_B15, - sizeof(HuffmanTable_B15) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B15)); - } - pTRD->SBHUFFRDX = Table_B15; - } else { - pSeg = findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++); - if(!pSeg) { - m_pModule->JBig2_Error("text region segment : SBHUFFRDX can't find user supplied table"); - nRet = JBIG2_ERROR_FATAL; - goto failed; - } - pTRD->SBHUFFRDX = pSeg->m_Result.ht; - } - if(cSBHUFFRDY == 0) { - if(!Table_B14) { - JBIG2_ALLOC(Table_B14, CJBig2_HuffmanTable(HuffmanTable_B14, - sizeof(HuffmanTable_B14) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B14)); - } - pTRD->SBHUFFRDY = Table_B14; - } else if(cSBHUFFRDY == 1) { - if(!Table_B15) { - JBIG2_ALLOC(Table_B15, CJBig2_HuffmanTable(HuffmanTable_B15, - sizeof(HuffmanTable_B15) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B15)); - } - pTRD->SBHUFFRDY = Table_B15; - } else { - pSeg = findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++); - if(!pSeg) { - m_pModule->JBig2_Error("text region segment : SBHUFFRDY can't find user supplied table"); - nRet = JBIG2_ERROR_FATAL; - goto failed; - } - pTRD->SBHUFFRDY = pSeg->m_Result.ht; - } - if(cSBHUFFRSIZE == 0) { - JBIG2_ALLOC(Table_B1, CJBig2_HuffmanTable(HuffmanTable_B1, - sizeof(HuffmanTable_B1) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B1)); - pTRD->SBHUFFRSIZE = Table_B1; - } else { - pSeg = findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++); - if(!pSeg) { - m_pModule->JBig2_Error("text region segment : SBHUFFRSIZE can't find user supplied table"); - nRet = JBIG2_ERROR_FATAL; - goto failed; - } - pTRD->SBHUFFRSIZE = pSeg->m_Result.ht; - } - } - if(pTRD->SBREFINE == 1) { - dwTemp = pTRD->SBRTEMPLATE ? 1 << 10 : 1 << 13; - grContext = (JBig2ArithCtx*)m_pModule->JBig2_Malloc2(sizeof(JBig2ArithCtx), dwTemp); - JBIG2_memset(grContext, 0, sizeof(JBig2ArithCtx)*dwTemp); - } - if(pTRD->SBHUFF == 0) { - JBIG2_ALLOC(pArithDecoder, CJBig2_ArithDecoder(m_pStream)); - pSegment->m_nResultType = JBIG2_IMAGE_POINTER; - pSegment->m_Result.im = pTRD->decode_Arith(pArithDecoder, grContext); - delete pArithDecoder; - if(pSegment->m_Result.im == NULL) { - nRet = JBIG2_ERROR_FATAL; - goto failed; - } - m_pStream->alignByte(); - m_pStream->offset(2); + pSeg = findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++); + if (!pSeg) { + m_pModule->JBig2_Error( + "text region segment : SBHUFFDS can't find user supplied table"); + nRet = JBIG2_ERROR_FATAL; + goto failed; + } + pTRD->SBHUFFDS = pSeg->m_Result.ht; + } + if (cSBHUFFDT == 0) { + JBIG2_ALLOC(Table_B11, CJBig2_HuffmanTable(HuffmanTable_B11, + sizeof(HuffmanTable_B11) / + sizeof(JBig2TableLine), + HuffmanTable_HTOOB_B11)); + pTRD->SBHUFFDT = Table_B11; + } else if (cSBHUFFDT == 1) { + JBIG2_ALLOC(Table_B12, CJBig2_HuffmanTable(HuffmanTable_B12, + sizeof(HuffmanTable_B12) / + sizeof(JBig2TableLine), + HuffmanTable_HTOOB_B12)); + pTRD->SBHUFFDT = Table_B12; + } else if (cSBHUFFDT == 2) { + JBIG2_ALLOC(Table_B13, CJBig2_HuffmanTable(HuffmanTable_B13, + sizeof(HuffmanTable_B13) / + sizeof(JBig2TableLine), + HuffmanTable_HTOOB_B13)); + pTRD->SBHUFFDT = Table_B13; } else { - pSegment->m_nResultType = JBIG2_IMAGE_POINTER; - pSegment->m_Result.im = pTRD->decode_Huffman(m_pStream, grContext); - if(pSegment->m_Result.im == NULL) { - nRet = JBIG2_ERROR_FATAL; - goto failed; - } - m_pStream->alignByte(); - } - if(pSegment->m_cFlags.s.type != 4) { - if(!m_bBufSpecified) { - JBig2PageInfo *pPageInfo = m_pPageInfoList->getLast(); - if ((pPageInfo->m_bIsStriped == 1) && (ri.y + ri.height > m_pPage->m_nHeight)) { - m_pPage->expand(ri.y + ri.height, (pPageInfo->m_cFlags & 4) ? 1 : 0); - } - } - m_pPage->composeFrom(ri.x, ri.y, pSegment->m_Result.im, (JBig2ComposeOp)(ri.flags & 0x03)); - delete pSegment->m_Result.im; - pSegment->m_Result.im = NULL; - } - delete pTRD; - if(SBSYMS) { - m_pModule->JBig2_Free(SBSYMS); - } - if(SBSYMCODES) { - m_pModule->JBig2_Free(SBSYMCODES); - } - if(grContext) { - m_pModule->JBig2_Free(grContext); - } - delete Table_B1; - delete Table_B6; - delete Table_B7; - delete Table_B8; - delete Table_B9; - delete Table_B10; - delete Table_B11; - delete Table_B12; - delete Table_B13; - delete Table_B14; - delete Table_B15; - return JBIG2_SUCCESS; -failed: - delete pTRD; - if(SBSYMS) { - m_pModule->JBig2_Free(SBSYMS); - } - if(SBSYMCODES) { - m_pModule->JBig2_Free(SBSYMCODES); - } - if(grContext) { - m_pModule->JBig2_Free(grContext); - } - delete Table_B1; - delete Table_B6; - delete Table_B7; - delete Table_B8; - delete Table_B9; - delete Table_B10; - delete Table_B11; - delete Table_B12; - delete Table_B13; - delete Table_B14; - delete Table_B15; - return nRet; -} - -int32_t CJBig2_Context::parsePatternDict(CJBig2_Segment *pSegment, IFX_Pause* pPause) -{ - FX_DWORD dwTemp; - uint8_t cFlags; - JBig2ArithCtx *gbContext; - CJBig2_ArithDecoder *pArithDecoder; - CJBig2_PDDProc *pPDD; - int32_t nRet; - JBIG2_ALLOC(pPDD, CJBig2_PDDProc()); - if((m_pStream->read1Byte(&cFlags) != 0) - || (m_pStream->read1Byte(&pPDD->HDPW) != 0) - || (m_pStream->read1Byte(&pPDD->HDPH) != 0) - || (m_pStream->readInteger(&pPDD->GRAYMAX) != 0)) { - m_pModule->JBig2_Error("pattern dictionary segment : data header too short."); - nRet = JBIG2_ERROR_TOO_SHORT; + pSeg = findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++); + if (!pSeg) { + m_pModule->JBig2_Error( + "text region segment : SBHUFFDT can't find user supplied table"); + nRet = JBIG2_ERROR_FATAL; goto failed; - } - if (pPDD->GRAYMAX > JBIG2_MAX_PATTERN_INDEX) { - m_pModule->JBig2_Error("pattern dictionary segment : too max gray max."); - nRet = JBIG2_ERROR_LIMIT; + } + pTRD->SBHUFFDT = pSeg->m_Result.ht; + } + if (cSBHUFFRDW == 0) { + JBIG2_ALLOC(Table_B14, CJBig2_HuffmanTable(HuffmanTable_B14, + sizeof(HuffmanTable_B14) / + sizeof(JBig2TableLine), + HuffmanTable_HTOOB_B14)); + pTRD->SBHUFFRDW = Table_B14; + } else if (cSBHUFFRDW == 1) { + JBIG2_ALLOC(Table_B15, CJBig2_HuffmanTable(HuffmanTable_B15, + sizeof(HuffmanTable_B15) / + sizeof(JBig2TableLine), + HuffmanTable_HTOOB_B15)); + pTRD->SBHUFFRDW = Table_B15; + } else { + pSeg = findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++); + if (!pSeg) { + m_pModule->JBig2_Error( + "text region segment : SBHUFFRDW can't find user supplied table"); + nRet = JBIG2_ERROR_FATAL; goto failed; - } - pPDD->HDMMR = cFlags & 0x01; - pPDD->HDTEMPLATE = (cFlags >> 1) & 0x03; - pSegment->m_nResultType = JBIG2_PATTERN_DICT_POINTER; - if(pPDD->HDMMR == 0) { - dwTemp = pPDD->HDTEMPLATE == 0 ? 65536 : pPDD->HDTEMPLATE == 1 ? 8192 : 1024; - gbContext = (JBig2ArithCtx*)m_pModule->JBig2_Malloc2(sizeof(JBig2ArithCtx), dwTemp); - JBIG2_memset(gbContext, 0, sizeof(JBig2ArithCtx)*dwTemp); - JBIG2_ALLOC(pArithDecoder, CJBig2_ArithDecoder(m_pStream)); - pSegment->m_Result.pd = pPDD->decode_Arith(pArithDecoder, gbContext, pPause); - delete pArithDecoder; - if(pSegment->m_Result.pd == NULL) { - m_pModule->JBig2_Free(gbContext); - nRet = JBIG2_ERROR_FATAL; - goto failed; - } - m_pModule->JBig2_Free(gbContext); - m_pStream->alignByte(); - m_pStream->offset(2); + } + pTRD->SBHUFFRDW = pSeg->m_Result.ht; + } + if (cSBHUFFRDH == 0) { + if (!Table_B14) { + JBIG2_ALLOC(Table_B14, CJBig2_HuffmanTable(HuffmanTable_B14, + sizeof(HuffmanTable_B14) / + sizeof(JBig2TableLine), + HuffmanTable_HTOOB_B14)); + } + pTRD->SBHUFFRDH = Table_B14; + } else if (cSBHUFFRDH == 1) { + if (!Table_B15) { + JBIG2_ALLOC(Table_B15, CJBig2_HuffmanTable(HuffmanTable_B15, + sizeof(HuffmanTable_B15) / + sizeof(JBig2TableLine), + HuffmanTable_HTOOB_B15)); + } + pTRD->SBHUFFRDH = Table_B15; } else { - pSegment->m_Result.pd = pPDD->decode_MMR(m_pStream, pPause); - if(pSegment->m_Result.pd == NULL) { - nRet = JBIG2_ERROR_FATAL; - goto failed; - } - m_pStream->alignByte(); - } - delete pPDD; - return JBIG2_SUCCESS; -failed: - delete pPDD; - return nRet; -} -int32_t CJBig2_Context::parseHalftoneRegion(CJBig2_Segment *pSegment, IFX_Pause* pPause) -{ - FX_DWORD dwTemp; - uint8_t cFlags; - JBig2RegionInfo ri; - CJBig2_Segment *pSeg; - CJBig2_PatternDict *pPatternDict; - JBig2ArithCtx *gbContext; - CJBig2_ArithDecoder *pArithDecoder; - CJBig2_HTRDProc *pHRD; - int32_t nRet; - JBIG2_ALLOC(pHRD, CJBig2_HTRDProc()); - if((parseRegionInfo(&ri) != JBIG2_SUCCESS) - || (m_pStream->read1Byte(&cFlags) != 0) - || (m_pStream->readInteger(&pHRD->HGW) != 0) - || (m_pStream->readInteger(&pHRD->HGH) != 0) - || (m_pStream->readInteger((FX_DWORD*)&pHRD->HGX) != 0) - || (m_pStream->readInteger((FX_DWORD*)&pHRD->HGY) != 0) - || (m_pStream->readShortInteger(&pHRD->HRX) != 0) - || (m_pStream->readShortInteger(&pHRD->HRY) != 0)) { - m_pModule->JBig2_Error("halftone region segment : data header too short."); - nRet = JBIG2_ERROR_TOO_SHORT; + pSeg = findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++); + if (!pSeg) { + m_pModule->JBig2_Error( + "text region segment : SBHUFFRDH can't find user supplied table"); + nRet = JBIG2_ERROR_FATAL; goto failed; - } - pHRD->HBW = ri.width; - pHRD->HBH = ri.height; - pHRD->HMMR = cFlags & 0x01; - pHRD->HTEMPLATE = (cFlags >> 1) & 0x03; - pHRD->HENABLESKIP = (cFlags >> 3) & 0x01; - pHRD->HCOMBOP = (JBig2ComposeOp)((cFlags >> 4) & 0x07); - pHRD->HDEFPIXEL = (cFlags >> 7) & 0x01; - if(pSegment->m_nReferred_to_segment_count != 1) { - m_pModule->JBig2_Error("halftone region segment : refered to segment count not equals 1"); + } + pTRD->SBHUFFRDH = pSeg->m_Result.ht; + } + if (cSBHUFFRDX == 0) { + if (!Table_B14) { + JBIG2_ALLOC(Table_B14, CJBig2_HuffmanTable(HuffmanTable_B14, + sizeof(HuffmanTable_B14) / + sizeof(JBig2TableLine), + HuffmanTable_HTOOB_B14)); + } + pTRD->SBHUFFRDX = Table_B14; + } else if (cSBHUFFRDX == 1) { + if (!Table_B15) { + JBIG2_ALLOC(Table_B15, CJBig2_HuffmanTable(HuffmanTable_B15, + sizeof(HuffmanTable_B15) / + sizeof(JBig2TableLine), + HuffmanTable_HTOOB_B15)); + } + pTRD->SBHUFFRDX = Table_B15; + } else { + pSeg = findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++); + if (!pSeg) { + m_pModule->JBig2_Error( + "text region segment : SBHUFFRDX can't find user supplied table"); nRet = JBIG2_ERROR_FATAL; goto failed; - } - pSeg = findSegmentByNumber(pSegment->m_pReferred_to_segment_numbers[0]); - if( (pSeg == NULL) || (pSeg->m_cFlags.s.type != 16)) { - m_pModule->JBig2_Error("halftone region segment : refered to segment is not pattern dict"); + } + pTRD->SBHUFFRDX = pSeg->m_Result.ht; + } + if (cSBHUFFRDY == 0) { + if (!Table_B14) { + JBIG2_ALLOC(Table_B14, CJBig2_HuffmanTable(HuffmanTable_B14, + sizeof(HuffmanTable_B14) / + sizeof(JBig2TableLine), + HuffmanTable_HTOOB_B14)); + } + pTRD->SBHUFFRDY = Table_B14; + } else if (cSBHUFFRDY == 1) { + if (!Table_B15) { + JBIG2_ALLOC(Table_B15, CJBig2_HuffmanTable(HuffmanTable_B15, + sizeof(HuffmanTable_B15) / + sizeof(JBig2TableLine), + HuffmanTable_HTOOB_B15)); + } + pTRD->SBHUFFRDY = Table_B15; + } else { + pSeg = findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++); + if (!pSeg) { + m_pModule->JBig2_Error( + "text region segment : SBHUFFRDY can't find user supplied table"); nRet = JBIG2_ERROR_FATAL; goto failed; - } - pPatternDict = pSeg->m_Result.pd; - if((pPatternDict == NULL) || (pPatternDict->NUMPATS == 0)) { - m_pModule->JBig2_Error("halftone region segment : has no patterns input"); + } + pTRD->SBHUFFRDY = pSeg->m_Result.ht; + } + if (cSBHUFFRSIZE == 0) { + JBIG2_ALLOC(Table_B1, CJBig2_HuffmanTable(HuffmanTable_B1, + sizeof(HuffmanTable_B1) / + sizeof(JBig2TableLine), + HuffmanTable_HTOOB_B1)); + pTRD->SBHUFFRSIZE = Table_B1; + } else { + pSeg = findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++); + if (!pSeg) { + m_pModule->JBig2_Error( + "text region segment : SBHUFFRSIZE can't find user supplied table"); nRet = JBIG2_ERROR_FATAL; goto failed; + } + pTRD->SBHUFFRSIZE = pSeg->m_Result.ht; + } + } + if (pTRD->SBREFINE == 1) { + dwTemp = pTRD->SBRTEMPLATE ? 1 << 10 : 1 << 13; + grContext = + (JBig2ArithCtx*)m_pModule->JBig2_Malloc2(sizeof(JBig2ArithCtx), dwTemp); + JBIG2_memset(grContext, 0, sizeof(JBig2ArithCtx) * dwTemp); + } + if (pTRD->SBHUFF == 0) { + JBIG2_ALLOC(pArithDecoder, CJBig2_ArithDecoder(m_pStream)); + pSegment->m_nResultType = JBIG2_IMAGE_POINTER; + pSegment->m_Result.im = pTRD->decode_Arith(pArithDecoder, grContext); + delete pArithDecoder; + if (pSegment->m_Result.im == NULL) { + nRet = JBIG2_ERROR_FATAL; + goto failed; } - pHRD->HNUMPATS = pPatternDict->NUMPATS; - pHRD->HPATS = pPatternDict->HDPATS; - pHRD->HPW = pPatternDict->HDPATS[0]->m_nWidth; - pHRD->HPH = pPatternDict->HDPATS[0]->m_nHeight; + m_pStream->alignByte(); + m_pStream->offset(2); + } else { pSegment->m_nResultType = JBIG2_IMAGE_POINTER; - if(pHRD->HMMR == 0) { - dwTemp = pHRD->HTEMPLATE == 0 ? 65536 : pHRD->HTEMPLATE == 1 ? 8192 : 1024; - gbContext = (JBig2ArithCtx*)m_pModule->JBig2_Malloc2(sizeof(JBig2ArithCtx), dwTemp); - JBIG2_memset(gbContext, 0, sizeof(JBig2ArithCtx)*dwTemp); - JBIG2_ALLOC(pArithDecoder, CJBig2_ArithDecoder(m_pStream)); - pSegment->m_Result.im = pHRD->decode_Arith(pArithDecoder, gbContext, pPause); - delete pArithDecoder; - if(pSegment->m_Result.im == NULL) { - m_pModule->JBig2_Free(gbContext); - nRet = JBIG2_ERROR_FATAL; - goto failed; - } - m_pModule->JBig2_Free(gbContext); - m_pStream->alignByte(); - m_pStream->offset(2); - } else { - pSegment->m_Result.im = pHRD->decode_MMR(m_pStream, pPause); - if(pSegment->m_Result.im == NULL) { - nRet = JBIG2_ERROR_FATAL; - goto failed; - } - m_pStream->alignByte(); - } - if(pSegment->m_cFlags.s.type != 20) { - if(!m_bBufSpecified) { - JBig2PageInfo *pPageInfo = m_pPageInfoList->getLast(); - if ((pPageInfo->m_bIsStriped == 1) && (ri.y + ri.height > m_pPage->m_nHeight)) { - m_pPage->expand(ri.y + ri.height, (pPageInfo->m_cFlags & 4) ? 1 : 0); - } - } - m_pPage->composeFrom(ri.x, ri.y, pSegment->m_Result.im, (JBig2ComposeOp)(ri.flags & 0x03)); - delete pSegment->m_Result.im; - pSegment->m_Result.im = NULL; + pSegment->m_Result.im = pTRD->decode_Huffman(m_pStream, grContext); + if (pSegment->m_Result.im == NULL) { + nRet = JBIG2_ERROR_FATAL; + goto failed; } - delete pHRD; - return JBIG2_SUCCESS; + m_pStream->alignByte(); + } + if (pSegment->m_cFlags.s.type != 4) { + if (!m_bBufSpecified) { + JBig2PageInfo* pPageInfo = m_pPageInfoList->getLast(); + if ((pPageInfo->m_bIsStriped == 1) && + (ri.y + ri.height > m_pPage->m_nHeight)) { + m_pPage->expand(ri.y + ri.height, (pPageInfo->m_cFlags & 4) ? 1 : 0); + } + } + m_pPage->composeFrom(ri.x, ri.y, pSegment->m_Result.im, + (JBig2ComposeOp)(ri.flags & 0x03)); + delete pSegment->m_Result.im; + pSegment->m_Result.im = NULL; + } + delete pTRD; + if (SBSYMS) { + m_pModule->JBig2_Free(SBSYMS); + } + if (SBSYMCODES) { + m_pModule->JBig2_Free(SBSYMCODES); + } + if (grContext) { + m_pModule->JBig2_Free(grContext); + } + delete Table_B1; + delete Table_B6; + delete Table_B7; + delete Table_B8; + delete Table_B9; + delete Table_B10; + delete Table_B11; + delete Table_B12; + delete Table_B13; + delete Table_B14; + delete Table_B15; + return JBIG2_SUCCESS; failed: - delete pHRD; - return nRet; + delete pTRD; + if (SBSYMS) { + m_pModule->JBig2_Free(SBSYMS); + } + if (SBSYMCODES) { + m_pModule->JBig2_Free(SBSYMCODES); + } + if (grContext) { + m_pModule->JBig2_Free(grContext); + } + delete Table_B1; + delete Table_B6; + delete Table_B7; + delete Table_B8; + delete Table_B9; + delete Table_B10; + delete Table_B11; + delete Table_B12; + delete Table_B13; + delete Table_B14; + delete Table_B15; + return nRet; +} + +int32_t CJBig2_Context::parsePatternDict(CJBig2_Segment* pSegment, + IFX_Pause* pPause) { + FX_DWORD dwTemp; + uint8_t cFlags; + JBig2ArithCtx* gbContext; + CJBig2_ArithDecoder* pArithDecoder; + CJBig2_PDDProc* pPDD; + int32_t nRet; + JBIG2_ALLOC(pPDD, CJBig2_PDDProc()); + if ((m_pStream->read1Byte(&cFlags) != 0) || + (m_pStream->read1Byte(&pPDD->HDPW) != 0) || + (m_pStream->read1Byte(&pPDD->HDPH) != 0) || + (m_pStream->readInteger(&pPDD->GRAYMAX) != 0)) { + m_pModule->JBig2_Error( + "pattern dictionary segment : data header too short."); + nRet = JBIG2_ERROR_TOO_SHORT; + goto failed; + } + if (pPDD->GRAYMAX > JBIG2_MAX_PATTERN_INDEX) { + m_pModule->JBig2_Error("pattern dictionary segment : too max gray max."); + nRet = JBIG2_ERROR_LIMIT; + goto failed; + } + pPDD->HDMMR = cFlags & 0x01; + pPDD->HDTEMPLATE = (cFlags >> 1) & 0x03; + pSegment->m_nResultType = JBIG2_PATTERN_DICT_POINTER; + if (pPDD->HDMMR == 0) { + dwTemp = + pPDD->HDTEMPLATE == 0 ? 65536 : pPDD->HDTEMPLATE == 1 ? 8192 : 1024; + gbContext = + (JBig2ArithCtx*)m_pModule->JBig2_Malloc2(sizeof(JBig2ArithCtx), dwTemp); + JBIG2_memset(gbContext, 0, sizeof(JBig2ArithCtx) * dwTemp); + JBIG2_ALLOC(pArithDecoder, CJBig2_ArithDecoder(m_pStream)); + pSegment->m_Result.pd = + pPDD->decode_Arith(pArithDecoder, gbContext, pPause); + delete pArithDecoder; + if (pSegment->m_Result.pd == NULL) { + m_pModule->JBig2_Free(gbContext); + nRet = JBIG2_ERROR_FATAL; + goto failed; + } + m_pModule->JBig2_Free(gbContext); + m_pStream->alignByte(); + m_pStream->offset(2); + } else { + pSegment->m_Result.pd = pPDD->decode_MMR(m_pStream, pPause); + if (pSegment->m_Result.pd == NULL) { + nRet = JBIG2_ERROR_FATAL; + goto failed; + } + m_pStream->alignByte(); + } + delete pPDD; + return JBIG2_SUCCESS; +failed: + delete pPDD; + return nRet; +} +int32_t CJBig2_Context::parseHalftoneRegion(CJBig2_Segment* pSegment, + IFX_Pause* pPause) { + FX_DWORD dwTemp; + uint8_t cFlags; + JBig2RegionInfo ri; + CJBig2_Segment* pSeg; + CJBig2_PatternDict* pPatternDict; + JBig2ArithCtx* gbContext; + CJBig2_ArithDecoder* pArithDecoder; + CJBig2_HTRDProc* pHRD; + int32_t nRet; + JBIG2_ALLOC(pHRD, CJBig2_HTRDProc()); + if ((parseRegionInfo(&ri) != JBIG2_SUCCESS) || + (m_pStream->read1Byte(&cFlags) != 0) || + (m_pStream->readInteger(&pHRD->HGW) != 0) || + (m_pStream->readInteger(&pHRD->HGH) != 0) || + (m_pStream->readInteger((FX_DWORD*)&pHRD->HGX) != 0) || + (m_pStream->readInteger((FX_DWORD*)&pHRD->HGY) != 0) || + (m_pStream->readShortInteger(&pHRD->HRX) != 0) || + (m_pStream->readShortInteger(&pHRD->HRY) != 0)) { + m_pModule->JBig2_Error("halftone region segment : data header too short."); + nRet = JBIG2_ERROR_TOO_SHORT; + goto failed; + } + pHRD->HBW = ri.width; + pHRD->HBH = ri.height; + pHRD->HMMR = cFlags & 0x01; + pHRD->HTEMPLATE = (cFlags >> 1) & 0x03; + pHRD->HENABLESKIP = (cFlags >> 3) & 0x01; + pHRD->HCOMBOP = (JBig2ComposeOp)((cFlags >> 4) & 0x07); + pHRD->HDEFPIXEL = (cFlags >> 7) & 0x01; + if (pSegment->m_nReferred_to_segment_count != 1) { + m_pModule->JBig2_Error( + "halftone region segment : refered to segment count not equals 1"); + nRet = JBIG2_ERROR_FATAL; + goto failed; + } + pSeg = findSegmentByNumber(pSegment->m_pReferred_to_segment_numbers[0]); + if ((pSeg == NULL) || (pSeg->m_cFlags.s.type != 16)) { + m_pModule->JBig2_Error( + "halftone region segment : refered to segment is not pattern dict"); + nRet = JBIG2_ERROR_FATAL; + goto failed; + } + pPatternDict = pSeg->m_Result.pd; + if ((pPatternDict == NULL) || (pPatternDict->NUMPATS == 0)) { + m_pModule->JBig2_Error("halftone region segment : has no patterns input"); + nRet = JBIG2_ERROR_FATAL; + goto failed; + } + pHRD->HNUMPATS = pPatternDict->NUMPATS; + pHRD->HPATS = pPatternDict->HDPATS; + pHRD->HPW = pPatternDict->HDPATS[0]->m_nWidth; + pHRD->HPH = pPatternDict->HDPATS[0]->m_nHeight; + pSegment->m_nResultType = JBIG2_IMAGE_POINTER; + if (pHRD->HMMR == 0) { + dwTemp = pHRD->HTEMPLATE == 0 ? 65536 : pHRD->HTEMPLATE == 1 ? 8192 : 1024; + gbContext = + (JBig2ArithCtx*)m_pModule->JBig2_Malloc2(sizeof(JBig2ArithCtx), dwTemp); + JBIG2_memset(gbContext, 0, sizeof(JBig2ArithCtx) * dwTemp); + JBIG2_ALLOC(pArithDecoder, CJBig2_ArithDecoder(m_pStream)); + pSegment->m_Result.im = + pHRD->decode_Arith(pArithDecoder, gbContext, pPause); + delete pArithDecoder; + if (pSegment->m_Result.im == NULL) { + m_pModule->JBig2_Free(gbContext); + nRet = JBIG2_ERROR_FATAL; + goto failed; + } + m_pModule->JBig2_Free(gbContext); + m_pStream->alignByte(); + m_pStream->offset(2); + } else { + pSegment->m_Result.im = pHRD->decode_MMR(m_pStream, pPause); + if (pSegment->m_Result.im == NULL) { + nRet = JBIG2_ERROR_FATAL; + goto failed; + } + m_pStream->alignByte(); + } + if (pSegment->m_cFlags.s.type != 20) { + if (!m_bBufSpecified) { + JBig2PageInfo* pPageInfo = m_pPageInfoList->getLast(); + if ((pPageInfo->m_bIsStriped == 1) && + (ri.y + ri.height > m_pPage->m_nHeight)) { + m_pPage->expand(ri.y + ri.height, (pPageInfo->m_cFlags & 4) ? 1 : 0); + } + } + m_pPage->composeFrom(ri.x, ri.y, pSegment->m_Result.im, + (JBig2ComposeOp)(ri.flags & 0x03)); + delete pSegment->m_Result.im; + pSegment->m_Result.im = NULL; + } + delete pHRD; + return JBIG2_SUCCESS; +failed: + delete pHRD; + return nRet; } -int32_t CJBig2_Context::parseGenericRegion(CJBig2_Segment *pSegment, IFX_Pause* pPause) -{ - FX_DWORD dwTemp; - uint8_t cFlags; - int32_t i, nRet; - if(m_pGRD == NULL) { - JBIG2_ALLOC(m_pGRD, CJBig2_GRDProc()); - if((parseRegionInfo(&m_ri) != JBIG2_SUCCESS) - || (m_pStream->read1Byte(&cFlags) != 0)) { - m_pModule->JBig2_Error("generic region segment : data header too short."); +int32_t CJBig2_Context::parseGenericRegion(CJBig2_Segment* pSegment, + IFX_Pause* pPause) { + FX_DWORD dwTemp; + uint8_t cFlags; + int32_t i, nRet; + if (m_pGRD == NULL) { + JBIG2_ALLOC(m_pGRD, CJBig2_GRDProc()); + if ((parseRegionInfo(&m_ri) != JBIG2_SUCCESS) || + (m_pStream->read1Byte(&cFlags) != 0)) { + m_pModule->JBig2_Error("generic region segment : data header too short."); + nRet = JBIG2_ERROR_TOO_SHORT; + goto failed; + } + if (m_ri.height < 0 || m_ri.width < 0) { + m_pModule->JBig2_Error("generic region segment : wrong data."); + nRet = JBIG2_FAILED; + goto failed; + } + m_pGRD->GBW = m_ri.width; + m_pGRD->GBH = m_ri.height; + m_pGRD->MMR = cFlags & 0x01; + m_pGRD->GBTEMPLATE = (cFlags >> 1) & 0x03; + m_pGRD->TPGDON = (cFlags >> 3) & 0x01; + if (m_pGRD->MMR == 0) { + if (m_pGRD->GBTEMPLATE == 0) { + for (i = 0; i < 8; i++) { + if (m_pStream->read1Byte((uint8_t*)&m_pGRD->GBAT[i]) != 0) { + m_pModule->JBig2_Error( + "generic region segment : data header too short."); nRet = JBIG2_ERROR_TOO_SHORT; goto failed; + } } - if (m_ri.height < 0 || m_ri.width < 0) { - m_pModule->JBig2_Error("generic region segment : wrong data."); - nRet = JBIG2_FAILED; + } else { + for (i = 0; i < 2; i++) { + if (m_pStream->read1Byte((uint8_t*)&m_pGRD->GBAT[i]) != 0) { + m_pModule->JBig2_Error( + "generic region segment : data header too short."); + nRet = JBIG2_ERROR_TOO_SHORT; goto failed; - } - m_pGRD->GBW = m_ri.width; - m_pGRD->GBH = m_ri.height; - m_pGRD->MMR = cFlags & 0x01; - m_pGRD->GBTEMPLATE = (cFlags >> 1) & 0x03; - m_pGRD->TPGDON = (cFlags >> 3) & 0x01; - if(m_pGRD->MMR == 0) { - if(m_pGRD->GBTEMPLATE == 0) { - for(i = 0; i < 8; i++) { - if(m_pStream->read1Byte((uint8_t*)&m_pGRD->GBAT[i]) != 0) { - m_pModule->JBig2_Error("generic region segment : data header too short."); - nRet = JBIG2_ERROR_TOO_SHORT; - goto failed; - } - } - } else { - for(i = 0; i < 2; i++) { - if(m_pStream->read1Byte((uint8_t*)&m_pGRD->GBAT[i]) != 0) { - m_pModule->JBig2_Error("generic region segment : data header too short."); - nRet = JBIG2_ERROR_TOO_SHORT; - goto failed; - } - } - } - } - m_pGRD->USESKIP = 0; - } - pSegment->m_nResultType = JBIG2_IMAGE_POINTER; - if(m_pGRD->MMR == 0) { - dwTemp = m_pGRD->GBTEMPLATE == 0 ? 65536 : m_pGRD->GBTEMPLATE == 1 ? 8192 : 1024; - if(m_gbContext == NULL) { - m_gbContext = (JBig2ArithCtx*)m_pModule->JBig2_Malloc(sizeof(JBig2ArithCtx) * dwTemp); - JBIG2_memset(m_gbContext, 0, sizeof(JBig2ArithCtx)*dwTemp); - } - if(m_pArithDecoder == NULL) { - JBIG2_ALLOC(m_pArithDecoder, CJBig2_ArithDecoder(m_pStream)); - m_ProcessiveStatus = m_pGRD->Start_decode_Arith(&pSegment->m_Result.im, m_pArithDecoder, m_gbContext, pPause); - } else { - m_ProcessiveStatus = m_pGRD->Continue_decode(pPause); - } - OutputBitmap(pSegment->m_Result.im); - if(m_ProcessiveStatus == FXCODEC_STATUS_DECODE_TOBECONTINUE) { - if(pSegment->m_cFlags.s.type != 36) { - if(!m_bBufSpecified) { - JBig2PageInfo *pPageInfo = m_pPageInfoList->getLast(); - if ((pPageInfo->m_bIsStriped == 1) && (m_ri.y + m_ri.height > m_pPage->m_nHeight)) { - m_pPage->expand(m_ri.y + m_ri.height, (pPageInfo->m_cFlags & 4) ? 1 : 0); - } - } - FX_RECT Rect = m_pGRD->GetReplaceRect(); - m_pPage->composeFrom(m_ri.x + Rect.left, m_ri.y + Rect.top, pSegment->m_Result.im, (JBig2ComposeOp)(m_ri.flags & 0x03), &Rect); - } - return JBIG2_SUCCESS; - } else { - delete m_pArithDecoder; - m_pArithDecoder = NULL; - if(pSegment->m_Result.im == NULL) { - m_pModule->JBig2_Free(m_gbContext); - nRet = JBIG2_ERROR_FATAL; - m_gbContext = NULL; - m_ProcessiveStatus = FXCODEC_STATUS_ERROR; - goto failed; - } - m_pModule->JBig2_Free(m_gbContext); - m_gbContext = NULL; - m_pStream->alignByte(); - m_pStream->offset(2); - } + } + } + } + } + m_pGRD->USESKIP = 0; + } + pSegment->m_nResultType = JBIG2_IMAGE_POINTER; + if (m_pGRD->MMR == 0) { + dwTemp = + m_pGRD->GBTEMPLATE == 0 ? 65536 : m_pGRD->GBTEMPLATE == 1 ? 8192 : 1024; + if (m_gbContext == NULL) { + m_gbContext = (JBig2ArithCtx*)m_pModule->JBig2_Malloc( + sizeof(JBig2ArithCtx) * dwTemp); + JBIG2_memset(m_gbContext, 0, sizeof(JBig2ArithCtx) * dwTemp); + } + if (m_pArithDecoder == NULL) { + JBIG2_ALLOC(m_pArithDecoder, CJBig2_ArithDecoder(m_pStream)); + m_ProcessiveStatus = m_pGRD->Start_decode_Arith( + &pSegment->m_Result.im, m_pArithDecoder, m_gbContext, pPause); } else { - FXCODEC_STATUS status = m_pGRD->Start_decode_MMR(&pSegment->m_Result.im, m_pStream, pPause); - while(status == FXCODEC_STATUS_DECODE_TOBECONTINUE) { - m_pGRD->Continue_decode(pPause); - } - if(pSegment->m_Result.im == NULL) { - nRet = JBIG2_ERROR_FATAL; - goto failed; - } - m_pStream->alignByte(); - } - if(pSegment->m_cFlags.s.type != 36) { - if(!m_bBufSpecified) { - JBig2PageInfo *pPageInfo = m_pPageInfoList->getLast(); - if ((pPageInfo->m_bIsStriped == 1) && (m_ri.y + m_ri.height > m_pPage->m_nHeight)) { - m_pPage->expand(m_ri.y + m_ri.height, (pPageInfo->m_cFlags & 4) ? 1 : 0); - } + m_ProcessiveStatus = m_pGRD->Continue_decode(pPause); + } + OutputBitmap(pSegment->m_Result.im); + if (m_ProcessiveStatus == FXCODEC_STATUS_DECODE_TOBECONTINUE) { + if (pSegment->m_cFlags.s.type != 36) { + if (!m_bBufSpecified) { + JBig2PageInfo* pPageInfo = m_pPageInfoList->getLast(); + if ((pPageInfo->m_bIsStriped == 1) && + (m_ri.y + m_ri.height > m_pPage->m_nHeight)) { + m_pPage->expand(m_ri.y + m_ri.height, + (pPageInfo->m_cFlags & 4) ? 1 : 0); + } } FX_RECT Rect = m_pGRD->GetReplaceRect(); - m_pPage->composeFrom(m_ri.x + Rect.left, m_ri.y + Rect.top, pSegment->m_Result.im, (JBig2ComposeOp)(m_ri.flags & 0x03), &Rect); - delete pSegment->m_Result.im; - pSegment->m_Result.im = NULL; + m_pPage->composeFrom(m_ri.x + Rect.left, m_ri.y + Rect.top, + pSegment->m_Result.im, + (JBig2ComposeOp)(m_ri.flags & 0x03), &Rect); + } + return JBIG2_SUCCESS; + } else { + delete m_pArithDecoder; + m_pArithDecoder = NULL; + if (pSegment->m_Result.im == NULL) { + m_pModule->JBig2_Free(m_gbContext); + nRet = JBIG2_ERROR_FATAL; + m_gbContext = NULL; + m_ProcessiveStatus = FXCODEC_STATUS_ERROR; + goto failed; + } + m_pModule->JBig2_Free(m_gbContext); + m_gbContext = NULL; + m_pStream->alignByte(); + m_pStream->offset(2); + } + } else { + FXCODEC_STATUS status = + m_pGRD->Start_decode_MMR(&pSegment->m_Result.im, m_pStream, pPause); + while (status == FXCODEC_STATUS_DECODE_TOBECONTINUE) { + m_pGRD->Continue_decode(pPause); + } + if (pSegment->m_Result.im == NULL) { + nRet = JBIG2_ERROR_FATAL; + goto failed; } - delete m_pGRD; - m_pGRD = NULL; - return JBIG2_SUCCESS; + m_pStream->alignByte(); + } + if (pSegment->m_cFlags.s.type != 36) { + if (!m_bBufSpecified) { + JBig2PageInfo* pPageInfo = m_pPageInfoList->getLast(); + if ((pPageInfo->m_bIsStriped == 1) && + (m_ri.y + m_ri.height > m_pPage->m_nHeight)) { + m_pPage->expand(m_ri.y + m_ri.height, + (pPageInfo->m_cFlags & 4) ? 1 : 0); + } + } + FX_RECT Rect = m_pGRD->GetReplaceRect(); + m_pPage->composeFrom(m_ri.x + Rect.left, m_ri.y + Rect.top, + pSegment->m_Result.im, + (JBig2ComposeOp)(m_ri.flags & 0x03), &Rect); + delete pSegment->m_Result.im; + pSegment->m_Result.im = NULL; + } + delete m_pGRD; + m_pGRD = NULL; + return JBIG2_SUCCESS; failed: - delete m_pGRD; - m_pGRD = NULL; - return nRet; + delete m_pGRD; + m_pGRD = NULL; + return nRet; } -int32_t CJBig2_Context::parseGenericRefinementRegion(CJBig2_Segment *pSegment) -{ - FX_DWORD dwTemp; - JBig2RegionInfo ri; - CJBig2_Segment *pSeg; - int32_t i, nRet; - uint8_t cFlags; - JBig2ArithCtx *grContext; - CJBig2_GRRDProc *pGRRD; - CJBig2_ArithDecoder *pArithDecoder; - JBIG2_ALLOC(pGRRD, CJBig2_GRRDProc()); - if((parseRegionInfo(&ri) != JBIG2_SUCCESS) - || (m_pStream->read1Byte(&cFlags) != 0)) { - m_pModule->JBig2_Error("generic refinement region segment : data header too short."); +int32_t CJBig2_Context::parseGenericRefinementRegion(CJBig2_Segment* pSegment) { + FX_DWORD dwTemp; + JBig2RegionInfo ri; + CJBig2_Segment* pSeg; + int32_t i, nRet; + uint8_t cFlags; + JBig2ArithCtx* grContext; + CJBig2_GRRDProc* pGRRD; + CJBig2_ArithDecoder* pArithDecoder; + JBIG2_ALLOC(pGRRD, CJBig2_GRRDProc()); + if ((parseRegionInfo(&ri) != JBIG2_SUCCESS) || + (m_pStream->read1Byte(&cFlags) != 0)) { + m_pModule->JBig2_Error( + "generic refinement region segment : data header too short."); + nRet = JBIG2_ERROR_TOO_SHORT; + goto failed; + } + pGRRD->GRW = ri.width; + pGRRD->GRH = ri.height; + pGRRD->GRTEMPLATE = cFlags & 0x01; + pGRRD->TPGRON = (cFlags >> 1) & 0x01; + if (pGRRD->GRTEMPLATE == 0) { + for (i = 0; i < 4; i++) { + if (m_pStream->read1Byte((uint8_t*)&pGRRD->GRAT[i]) != 0) { + m_pModule->JBig2_Error( + "generic refinement region segment : data header too short."); nRet = JBIG2_ERROR_TOO_SHORT; goto failed; - } - pGRRD->GRW = ri.width; - pGRRD->GRH = ri.height; - pGRRD->GRTEMPLATE = cFlags & 0x01; - pGRRD->TPGRON = (cFlags >> 1) & 0x01; - if(pGRRD->GRTEMPLATE == 0) { - for(i = 0; i < 4; i++) { - if(m_pStream->read1Byte((uint8_t*)&pGRRD->GRAT[i]) != 0) { - m_pModule->JBig2_Error("generic refinement region segment : data header too short."); - nRet = JBIG2_ERROR_TOO_SHORT; - goto failed; - } - } - } - pSeg = NULL; - if(pSegment->m_nReferred_to_segment_count > 0) { - for(i = 0; i < pSegment->m_nReferred_to_segment_count; i++) { - pSeg = findSegmentByNumber(pSegment->m_pReferred_to_segment_numbers[0]); - if(pSeg == NULL) { - m_pModule->JBig2_Error("generic refinement region segment : can't find refered to segments"); - nRet = JBIG2_ERROR_FATAL; - goto failed; - } - if((pSeg->m_cFlags.s.type == 4) || (pSeg->m_cFlags.s.type == 20) - || (pSeg->m_cFlags.s.type == 36) || (pSeg->m_cFlags.s.type == 40)) { - break; - } - } - if(i >= pSegment->m_nReferred_to_segment_count) { - m_pModule->JBig2_Error("generic refinement region segment : can't find refered to intermediate region"); - nRet = JBIG2_ERROR_FATAL; - goto failed; - } - pGRRD->GRREFERENCE = pSeg->m_Result.im; - } else { - pGRRD->GRREFERENCE = m_pPage; - } - pGRRD->GRREFERENCEDX = 0; - pGRRD->GRREFERENCEDY = 0; - dwTemp = pGRRD->GRTEMPLATE ? 1 << 10 : 1 << 13; - grContext = (JBig2ArithCtx*)m_pModule->JBig2_Malloc2(sizeof(JBig2ArithCtx), dwTemp); - JBIG2_memset(grContext, 0, sizeof(JBig2ArithCtx)*dwTemp); - JBIG2_ALLOC(pArithDecoder, CJBig2_ArithDecoder(m_pStream)); - pSegment->m_nResultType = JBIG2_IMAGE_POINTER; - pSegment->m_Result.im = pGRRD->decode(pArithDecoder, grContext); - delete pArithDecoder; - if(pSegment->m_Result.im == NULL) { - m_pModule->JBig2_Free(grContext); + } + } + } + pSeg = NULL; + if (pSegment->m_nReferred_to_segment_count > 0) { + for (i = 0; i < pSegment->m_nReferred_to_segment_count; i++) { + pSeg = findSegmentByNumber(pSegment->m_pReferred_to_segment_numbers[0]); + if (pSeg == NULL) { + m_pModule->JBig2_Error( + "generic refinement region segment : can't find refered to " + "segments"); nRet = JBIG2_ERROR_FATAL; goto failed; - } + } + if ((pSeg->m_cFlags.s.type == 4) || (pSeg->m_cFlags.s.type == 20) || + (pSeg->m_cFlags.s.type == 36) || (pSeg->m_cFlags.s.type == 40)) { + break; + } + } + if (i >= pSegment->m_nReferred_to_segment_count) { + m_pModule->JBig2_Error( + "generic refinement region segment : can't find refered to " + "intermediate region"); + nRet = JBIG2_ERROR_FATAL; + goto failed; + } + pGRRD->GRREFERENCE = pSeg->m_Result.im; + } else { + pGRRD->GRREFERENCE = m_pPage; + } + pGRRD->GRREFERENCEDX = 0; + pGRRD->GRREFERENCEDY = 0; + dwTemp = pGRRD->GRTEMPLATE ? 1 << 10 : 1 << 13; + grContext = + (JBig2ArithCtx*)m_pModule->JBig2_Malloc2(sizeof(JBig2ArithCtx), dwTemp); + JBIG2_memset(grContext, 0, sizeof(JBig2ArithCtx) * dwTemp); + JBIG2_ALLOC(pArithDecoder, CJBig2_ArithDecoder(m_pStream)); + pSegment->m_nResultType = JBIG2_IMAGE_POINTER; + pSegment->m_Result.im = pGRRD->decode(pArithDecoder, grContext); + delete pArithDecoder; + if (pSegment->m_Result.im == NULL) { m_pModule->JBig2_Free(grContext); - m_pStream->alignByte(); - m_pStream->offset(2); - if(pSegment->m_cFlags.s.type != 40) { - if(!m_bBufSpecified) { - JBig2PageInfo *pPageInfo = m_pPageInfoList->getLast(); - if ((pPageInfo->m_bIsStriped == 1) && (ri.y + ri.height > m_pPage->m_nHeight)) { - m_pPage->expand(ri.y + ri.height, (pPageInfo->m_cFlags & 4) ? 1 : 0); - } - } - m_pPage->composeFrom(ri.x, ri.y, pSegment->m_Result.im, (JBig2ComposeOp)(ri.flags & 0x03)); - delete pSegment->m_Result.im; - pSegment->m_Result.im = NULL; - } - delete pGRRD; - return JBIG2_SUCCESS; + nRet = JBIG2_ERROR_FATAL; + goto failed; + } + m_pModule->JBig2_Free(grContext); + m_pStream->alignByte(); + m_pStream->offset(2); + if (pSegment->m_cFlags.s.type != 40) { + if (!m_bBufSpecified) { + JBig2PageInfo* pPageInfo = m_pPageInfoList->getLast(); + if ((pPageInfo->m_bIsStriped == 1) && + (ri.y + ri.height > m_pPage->m_nHeight)) { + m_pPage->expand(ri.y + ri.height, (pPageInfo->m_cFlags & 4) ? 1 : 0); + } + } + m_pPage->composeFrom(ri.x, ri.y, pSegment->m_Result.im, + (JBig2ComposeOp)(ri.flags & 0x03)); + delete pSegment->m_Result.im; + pSegment->m_Result.im = NULL; + } + delete pGRRD; + return JBIG2_SUCCESS; failed: - delete pGRRD; - return nRet; + delete pGRRD; + return nRet; } -int32_t CJBig2_Context::parseTable(CJBig2_Segment *pSegment) -{ - pSegment->m_nResultType = JBIG2_HUFFMAN_TABLE_POINTER; - JBIG2_ALLOC(pSegment->m_Result.ht, CJBig2_HuffmanTable(m_pStream)); - if(!pSegment->m_Result.ht->isOK()) { - delete pSegment->m_Result.ht; - pSegment->m_Result.ht = NULL; - return JBIG2_ERROR_FATAL; - } - m_pStream->alignByte(); - return JBIG2_SUCCESS; +int32_t CJBig2_Context::parseTable(CJBig2_Segment* pSegment) { + pSegment->m_nResultType = JBIG2_HUFFMAN_TABLE_POINTER; + JBIG2_ALLOC(pSegment->m_Result.ht, CJBig2_HuffmanTable(m_pStream)); + if (!pSegment->m_Result.ht->isOK()) { + delete pSegment->m_Result.ht; + pSegment->m_Result.ht = NULL; + return JBIG2_ERROR_FATAL; + } + m_pStream->alignByte(); + return JBIG2_SUCCESS; } -int32_t CJBig2_Context::parseRegionInfo(JBig2RegionInfo *pRI) -{ - if((m_pStream->readInteger((FX_DWORD*)&pRI->width) != 0) - || (m_pStream->readInteger((FX_DWORD*)&pRI->height) != 0) - || (m_pStream->readInteger((FX_DWORD*)&pRI->x) != 0) - || (m_pStream->readInteger((FX_DWORD*)&pRI->y) != 0) - || (m_pStream->read1Byte(&pRI->flags) != 0)) { - return JBIG2_ERROR_TOO_SHORT; - } - return JBIG2_SUCCESS; +int32_t CJBig2_Context::parseRegionInfo(JBig2RegionInfo* pRI) { + if ((m_pStream->readInteger((FX_DWORD*)&pRI->width) != 0) || + (m_pStream->readInteger((FX_DWORD*)&pRI->height) != 0) || + (m_pStream->readInteger((FX_DWORD*)&pRI->x) != 0) || + (m_pStream->readInteger((FX_DWORD*)&pRI->y) != 0) || + (m_pStream->read1Byte(&pRI->flags) != 0)) { + return JBIG2_ERROR_TOO_SHORT; + } + return JBIG2_SUCCESS; } -JBig2HuffmanCode *CJBig2_Context::decodeSymbolIDHuffmanTable(CJBig2_BitStream *pStream, - FX_DWORD SBNUMSYMS) -{ - JBig2HuffmanCode *SBSYMCODES; - int32_t runcodes[35]; - int32_t runcodes_len[35]; - int32_t runcode; - int32_t i; - int32_t j; - int32_t nVal; - int32_t nBits; - int32_t run; - FX_DWORD nTemp; - SBSYMCODES = (JBig2HuffmanCode*)m_pModule->JBig2_Malloc2(sizeof(JBig2HuffmanCode), SBNUMSYMS); - for (i = 0; i < 35; i ++) { - if(pStream->readNBits(4, &runcodes_len[i]) != 0) { - goto failed; - } +JBig2HuffmanCode* CJBig2_Context::decodeSymbolIDHuffmanTable( + CJBig2_BitStream* pStream, + FX_DWORD SBNUMSYMS) { + JBig2HuffmanCode* SBSYMCODES; + int32_t runcodes[35]; + int32_t runcodes_len[35]; + int32_t runcode; + int32_t i; + int32_t j; + int32_t nVal; + int32_t nBits; + int32_t run; + FX_DWORD nTemp; + SBSYMCODES = (JBig2HuffmanCode*)m_pModule->JBig2_Malloc2( + sizeof(JBig2HuffmanCode), SBNUMSYMS); + for (i = 0; i < 35; i++) { + if (pStream->readNBits(4, &runcodes_len[i]) != 0) { + goto failed; + } + } + huffman_assign_code(runcodes, runcodes_len, 35); + i = 0; + while (i < (int)SBNUMSYMS) { + nVal = 0; + nBits = 0; + for (;;) { + if (pStream->read1Bit(&nTemp) != 0) { + goto failed; + } + nVal = (nVal << 1) | nTemp; + nBits++; + for (j = 0; j < 35; j++) { + if ((nBits == runcodes_len[j]) && (nVal == runcodes[j])) { + break; + } + } + if (j < 35) { + break; + } + } + runcode = j; + if (runcode < 32) { + SBSYMCODES[i].codelen = runcode; + run = 0; + } else if (runcode == 32) { + if (pStream->readNBits(2, &nTemp) != 0) { + goto failed; + } + run = nTemp + 3; + } else if (runcode == 33) { + if (pStream->readNBits(3, &nTemp) != 0) { + goto failed; + } + run = nTemp + 3; + } else if (runcode == 34) { + if (pStream->readNBits(7, &nTemp) != 0) { + goto failed; + } + run = nTemp + 11; } - huffman_assign_code(runcodes, runcodes_len, 35); - i = 0; - while(i < (int)SBNUMSYMS) { - nVal = 0; - nBits = 0; - for(;;) { - if(pStream->read1Bit(&nTemp) != 0) { - goto failed; - } - nVal = (nVal << 1) | nTemp; - nBits ++; - for(j = 0; j < 35; j++) { - if((nBits == runcodes_len[j]) && (nVal == runcodes[j])) { - break; - } - } - if(j < 35) { - break; - } - } - runcode = j; - if(runcode < 32) { - SBSYMCODES[i].codelen = runcode; - run = 0; - } else if(runcode == 32) { - if(pStream->readNBits(2, &nTemp) != 0) { - goto failed; - } - run = nTemp + 3; - } else if(runcode == 33) { - if(pStream->readNBits(3, &nTemp) != 0) { - goto failed; - } - run = nTemp + 3; - } else if(runcode == 34) { - if(pStream->readNBits(7, &nTemp) != 0) { - goto failed; - } - run = nTemp + 11; - } - if(run > 0) { - if (i + run > (int)SBNUMSYMS) { - goto failed; - } - for(j = 0; j < run; j++) { - if(runcode == 32 && i > 0) { - SBSYMCODES[i + j].codelen = SBSYMCODES[i - 1].codelen; - } else { - SBSYMCODES[i + j].codelen = 0; - } - } - i += run; + if (run > 0) { + if (i + run > (int)SBNUMSYMS) { + goto failed; + } + for (j = 0; j < run; j++) { + if (runcode == 32 && i > 0) { + SBSYMCODES[i + j].codelen = SBSYMCODES[i - 1].codelen; } else { - i ++; + SBSYMCODES[i + j].codelen = 0; } + } + i += run; + } else { + i++; } - huffman_assign_code(SBSYMCODES, SBNUMSYMS); - return SBSYMCODES; + } + huffman_assign_code(SBSYMCODES, SBNUMSYMS); + return SBSYMCODES; failed: - m_pModule->JBig2_Free(SBSYMCODES); - return NULL; + m_pModule->JBig2_Free(SBSYMCODES); + return NULL; } -void CJBig2_Context::huffman_assign_code(int* CODES, int* PREFLEN, int NTEMP) -{ - int CURLEN, LENMAX, CURCODE, CURTEMP, i; - int *LENCOUNT; - int *FIRSTCODE; - LENMAX = 0; - for(i = 0; i < NTEMP; i++) { - if(PREFLEN[i] > LENMAX) { - LENMAX = PREFLEN[i]; - } - } - LENCOUNT = (int*)m_pModule->JBig2_Malloc2(sizeof(int), (LENMAX + 1)); - JBIG2_memset(LENCOUNT, 0, sizeof(int) * (LENMAX + 1)); - FIRSTCODE = (int*)m_pModule->JBig2_Malloc2(sizeof(int), (LENMAX + 1)); - for(i = 0; i < NTEMP; i++) { - LENCOUNT[PREFLEN[i]] ++; - } - CURLEN = 1; - FIRSTCODE[0] = 0; - LENCOUNT[0] = 0; - while(CURLEN <= LENMAX) { - FIRSTCODE[CURLEN] = (FIRSTCODE[CURLEN - 1] + LENCOUNT[CURLEN - 1]) << 1; - CURCODE = FIRSTCODE[CURLEN]; - CURTEMP = 0; - while(CURTEMP < NTEMP) { - if(PREFLEN[CURTEMP] == CURLEN) { - CODES[CURTEMP] = CURCODE; - CURCODE = CURCODE + 1; - } - CURTEMP = CURTEMP + 1; - } - CURLEN = CURLEN + 1; - } - m_pModule->JBig2_Free(LENCOUNT); - m_pModule->JBig2_Free(FIRSTCODE); +void CJBig2_Context::huffman_assign_code(int* CODES, int* PREFLEN, int NTEMP) { + int CURLEN, LENMAX, CURCODE, CURTEMP, i; + int* LENCOUNT; + int* FIRSTCODE; + LENMAX = 0; + for (i = 0; i < NTEMP; i++) { + if (PREFLEN[i] > LENMAX) { + LENMAX = PREFLEN[i]; + } + } + LENCOUNT = (int*)m_pModule->JBig2_Malloc2(sizeof(int), (LENMAX + 1)); + JBIG2_memset(LENCOUNT, 0, sizeof(int) * (LENMAX + 1)); + FIRSTCODE = (int*)m_pModule->JBig2_Malloc2(sizeof(int), (LENMAX + 1)); + for (i = 0; i < NTEMP; i++) { + LENCOUNT[PREFLEN[i]]++; + } + CURLEN = 1; + FIRSTCODE[0] = 0; + LENCOUNT[0] = 0; + while (CURLEN <= LENMAX) { + FIRSTCODE[CURLEN] = (FIRSTCODE[CURLEN - 1] + LENCOUNT[CURLEN - 1]) << 1; + CURCODE = FIRSTCODE[CURLEN]; + CURTEMP = 0; + while (CURTEMP < NTEMP) { + if (PREFLEN[CURTEMP] == CURLEN) { + CODES[CURTEMP] = CURCODE; + CURCODE = CURCODE + 1; + } + CURTEMP = CURTEMP + 1; + } + CURLEN = CURLEN + 1; + } + m_pModule->JBig2_Free(LENCOUNT); + m_pModule->JBig2_Free(FIRSTCODE); } -void CJBig2_Context::huffman_assign_code(JBig2HuffmanCode *SBSYMCODES, int NTEMP) -{ - int CURLEN, LENMAX, CURCODE, CURTEMP, i; - int *LENCOUNT; - int *FIRSTCODE; - LENMAX = 0; - for(i = 0; i < NTEMP; i++) { - if(SBSYMCODES[i].codelen > LENMAX) { - LENMAX = SBSYMCODES[i].codelen; - } - } - LENCOUNT = (int*)m_pModule->JBig2_Malloc2(sizeof(int), (LENMAX + 1)); - JBIG2_memset(LENCOUNT, 0, sizeof(int) * (LENMAX + 1)); - FIRSTCODE = (int*)m_pModule->JBig2_Malloc2(sizeof(int), (LENMAX + 1)); - for(i = 0; i < NTEMP; i++) { - LENCOUNT[SBSYMCODES[i].codelen] ++; - } - CURLEN = 1; - FIRSTCODE[0] = 0; - LENCOUNT[0] = 0; - while(CURLEN <= LENMAX) { - FIRSTCODE[CURLEN] = (FIRSTCODE[CURLEN - 1] + LENCOUNT[CURLEN - 1]) << 1; - CURCODE = FIRSTCODE[CURLEN]; - CURTEMP = 0; - while(CURTEMP < NTEMP) { - if(SBSYMCODES[CURTEMP].codelen == CURLEN) { - SBSYMCODES[CURTEMP].code = CURCODE; - CURCODE = CURCODE + 1; - } - CURTEMP = CURTEMP + 1; - } - CURLEN = CURLEN + 1; - } - m_pModule->JBig2_Free(LENCOUNT); - m_pModule->JBig2_Free(FIRSTCODE); +void CJBig2_Context::huffman_assign_code(JBig2HuffmanCode* SBSYMCODES, + int NTEMP) { + int CURLEN, LENMAX, CURCODE, CURTEMP, i; + int* LENCOUNT; + int* FIRSTCODE; + LENMAX = 0; + for (i = 0; i < NTEMP; i++) { + if (SBSYMCODES[i].codelen > LENMAX) { + LENMAX = SBSYMCODES[i].codelen; + } + } + LENCOUNT = (int*)m_pModule->JBig2_Malloc2(sizeof(int), (LENMAX + 1)); + JBIG2_memset(LENCOUNT, 0, sizeof(int) * (LENMAX + 1)); + FIRSTCODE = (int*)m_pModule->JBig2_Malloc2(sizeof(int), (LENMAX + 1)); + for (i = 0; i < NTEMP; i++) { + LENCOUNT[SBSYMCODES[i].codelen]++; + } + CURLEN = 1; + FIRSTCODE[0] = 0; + LENCOUNT[0] = 0; + while (CURLEN <= LENMAX) { + FIRSTCODE[CURLEN] = (FIRSTCODE[CURLEN - 1] + LENCOUNT[CURLEN - 1]) << 1; + CURCODE = FIRSTCODE[CURLEN]; + CURTEMP = 0; + while (CURTEMP < NTEMP) { + if (SBSYMCODES[CURTEMP].codelen == CURLEN) { + SBSYMCODES[CURTEMP].code = CURCODE; + CURCODE = CURCODE + 1; + } + CURTEMP = CURTEMP + 1; + } + CURLEN = CURLEN + 1; + } + m_pModule->JBig2_Free(LENCOUNT); + m_pModule->JBig2_Free(FIRSTCODE); } diff --git a/core/src/fxcodec/jbig2/JBig2_Context.h b/core/src/fxcodec/jbig2/JBig2_Context.h index e6a0d7b3bc..07f886ee49 100644 --- a/core/src/fxcodec/jbig2/JBig2_Context.h +++ b/core/src/fxcodec/jbig2/JBig2_Context.h @@ -19,123 +19,139 @@ typedef std::pair<uint8_t*, CJBig2_SymbolDict*> CJBig2_CachePair; typedef enum { - JBIG2_OUT_OF_PAGE = 0, - JBIG2_IN_PAGE, + JBIG2_OUT_OF_PAGE = 0, + JBIG2_IN_PAGE, } JBig2State; -#define JBIG2_SUCCESS 0 -#define JBIG2_FAILED -1 -#define JBIG2_ERROR_TOO_SHORT -2 -#define JBIG2_ERROR_FATAL -3 -#define JBIG2_END_OF_PAGE 2 -#define JBIG2_END_OF_FILE 3 +#define JBIG2_SUCCESS 0 +#define JBIG2_FAILED -1 +#define JBIG2_ERROR_TOO_SHORT -2 +#define JBIG2_ERROR_FATAL -3 +#define JBIG2_END_OF_PAGE 2 +#define JBIG2_END_OF_FILE 3 #define JBIG2_ERROR_FILE_FORMAT -4 #define JBIG2_ERROR_STREAM_TYPE -5 -#define JBIG2_ERROR_LIMIT -6 -#define JBIG2_FILE_STREAM 0 -#define JBIG2_SQUENTIAL_STREAM 1 -#define JBIG2_RANDOM_STREAM 2 -#define JBIG2_EMBED_STREAM 3 -#define JBIG2_MIN_SEGMENT_SIZE 11 -class CJBig2_Context : public CJBig2_Object -{ -public: +#define JBIG2_ERROR_LIMIT -6 +#define JBIG2_FILE_STREAM 0 +#define JBIG2_SQUENTIAL_STREAM 1 +#define JBIG2_RANDOM_STREAM 2 +#define JBIG2_EMBED_STREAM 3 +#define JBIG2_MIN_SEGMENT_SIZE 11 +class CJBig2_Context : public CJBig2_Object { + public: + static CJBig2_Context* CreateContext( + CJBig2_Module* pModule, + uint8_t* pGlobalData, + FX_DWORD dwGlobalLength, + uint8_t* pData, + FX_DWORD dwLength, + int32_t nStreamType, + std::list<CJBig2_CachePair>* pSymbolDictCache, + IFX_Pause* pPause = NULL); - static CJBig2_Context *CreateContext(CJBig2_Module *pModule, uint8_t *pGlobalData, FX_DWORD dwGlobalLength, - uint8_t *pData, FX_DWORD dwLength, int32_t nStreamType, std::list<CJBig2_CachePair>* pSymbolDictCache, IFX_Pause* pPause = NULL); + static void DestroyContext(CJBig2_Context* pContext); - static void DestroyContext(CJBig2_Context *pContext); + int32_t getFirstPage(uint8_t* pBuf, + int32_t width, + int32_t height, + int32_t stride, + IFX_Pause* pPause); - int32_t getFirstPage(uint8_t *pBuf, int32_t width, int32_t height, int32_t stride, IFX_Pause* pPause); + int32_t getNextPage(uint8_t* pBuf, + int32_t width, + int32_t height, + int32_t stride, + IFX_Pause* pPause); - int32_t getNextPage(uint8_t *pBuf, int32_t width, int32_t height, int32_t stride, IFX_Pause* pPause); + int32_t getFirstPage(CJBig2_Image** image, IFX_Pause* pPause); - int32_t getFirstPage(CJBig2_Image **image, IFX_Pause* pPause); + int32_t getNextPage(CJBig2_Image** image, IFX_Pause* pPause); + int32_t Continue(IFX_Pause* pPause); + FXCODEC_STATUS GetProcessiveStatus() { return m_ProcessiveStatus; }; - int32_t getNextPage(CJBig2_Image **image, IFX_Pause* pPause); - int32_t Continue(IFX_Pause* pPause); - FXCODEC_STATUS GetProcessiveStatus() - { - return m_ProcessiveStatus; - }; -private: + private: + CJBig2_Context(uint8_t* pGlobalData, + FX_DWORD dwGlobalLength, + uint8_t* pData, + FX_DWORD dwLength, + int32_t nStreamType, + std::list<CJBig2_CachePair>* pSymbolDictCache, + IFX_Pause* pPause); - CJBig2_Context(uint8_t *pGlobalData, FX_DWORD dwGlobalLength, - uint8_t *pData, FX_DWORD dwLength, int32_t nStreamType, std::list<CJBig2_CachePair>* pSymbolDictCache, IFX_Pause* pPause); + ~CJBig2_Context(); - ~CJBig2_Context(); + int32_t decodeFile(IFX_Pause* pPause); - int32_t decodeFile(IFX_Pause* pPause); + int32_t decode_SquentialOrgnazation(IFX_Pause* pPause); - int32_t decode_SquentialOrgnazation(IFX_Pause* pPause); + int32_t decode_EmbedOrgnazation(IFX_Pause* pPause); - int32_t decode_EmbedOrgnazation(IFX_Pause* pPause); + int32_t decode_RandomOrgnazation_FirstPage(IFX_Pause* pPause); - int32_t decode_RandomOrgnazation_FirstPage(IFX_Pause* pPause); + int32_t decode_RandomOrgnazation(IFX_Pause* pPause); - int32_t decode_RandomOrgnazation(IFX_Pause* pPause); + CJBig2_Segment* findSegmentByNumber(FX_DWORD dwNumber); - CJBig2_Segment *findSegmentByNumber(FX_DWORD dwNumber); + CJBig2_Segment* findReferredSegmentByTypeAndIndex(CJBig2_Segment* pSegment, + uint8_t cType, + int32_t nIndex); - CJBig2_Segment *findReferredSegmentByTypeAndIndex(CJBig2_Segment *pSegment, uint8_t cType, int32_t nIndex); + int32_t parseSegmentHeader(CJBig2_Segment* pSegment); - int32_t parseSegmentHeader(CJBig2_Segment *pSegment); + int32_t parseSegmentData(CJBig2_Segment* pSegment, IFX_Pause* pPause); + int32_t ProcessiveParseSegmentData(CJBig2_Segment* pSegment, + IFX_Pause* pPause); - int32_t parseSegmentData(CJBig2_Segment *pSegment, IFX_Pause* pPause); - int32_t ProcessiveParseSegmentData(CJBig2_Segment *pSegment, IFX_Pause* pPause); + int32_t parseSymbolDict(CJBig2_Segment* pSegment, IFX_Pause* pPause); - int32_t parseSymbolDict(CJBig2_Segment *pSegment, IFX_Pause* pPause); + int32_t parseTextRegion(CJBig2_Segment* pSegment); - int32_t parseTextRegion(CJBig2_Segment *pSegment); + int32_t parsePatternDict(CJBig2_Segment* pSegment, IFX_Pause* pPause); - int32_t parsePatternDict(CJBig2_Segment *pSegment, IFX_Pause* pPause); + int32_t parseHalftoneRegion(CJBig2_Segment* pSegment, IFX_Pause* pPause); - int32_t parseHalftoneRegion(CJBig2_Segment *pSegment, IFX_Pause* pPause); + int32_t parseGenericRegion(CJBig2_Segment* pSegment, IFX_Pause* pPause); - int32_t parseGenericRegion(CJBig2_Segment *pSegment, IFX_Pause* pPause); + int32_t parseGenericRefinementRegion(CJBig2_Segment* pSegment); - int32_t parseGenericRefinementRegion(CJBig2_Segment *pSegment); + int32_t parseTable(CJBig2_Segment* pSegment); - int32_t parseTable(CJBig2_Segment *pSegment); + int32_t parseRegionInfo(JBig2RegionInfo* pRI); - int32_t parseRegionInfo(JBig2RegionInfo *pRI); + JBig2HuffmanCode* decodeSymbolIDHuffmanTable(CJBig2_BitStream* pStream, + FX_DWORD SBNUMSYMS); + void huffman_assign_code(int* CODES, int* PREFLEN, int NTEMP); + void huffman_assign_code(JBig2HuffmanCode* SBSYMCODES, int NTEMP); - JBig2HuffmanCode *decodeSymbolIDHuffmanTable(CJBig2_BitStream *pStream, FX_DWORD SBNUMSYMS); + private: + CJBig2_Context* m_pGlobalContext; - void huffman_assign_code(int* CODES, int* PREFLEN, int NTEMP); + int32_t m_nStreamType; - void huffman_assign_code(JBig2HuffmanCode *SBSYMCODES, int NTEMP); + CJBig2_BitStream* m_pStream; -private: + int32_t m_nState; - CJBig2_Context *m_pGlobalContext; + CJBig2_List<CJBig2_Segment>* m_pSegmentList; - int32_t m_nStreamType; + CJBig2_List<JBig2PageInfo>* m_pPageInfoList; - CJBig2_BitStream *m_pStream; + CJBig2_Image* m_pPage; - int32_t m_nState; + FX_BOOL m_bBufSpecified; - CJBig2_List<CJBig2_Segment> *m_pSegmentList; - - CJBig2_List<JBig2PageInfo> *m_pPageInfoList; - - CJBig2_Image *m_pPage; - - FX_BOOL m_bBufSpecified; - - int32_t m_nSegmentDecoded; - IFX_Pause* m_pPause; - int32_t m_PauseStep; - FXCODEC_STATUS m_ProcessiveStatus; - FX_BOOL m_bFirstPage; - CJBig2_ArithDecoder *m_pArithDecoder; - CJBig2_GRDProc *m_pGRD; - JBig2ArithCtx *m_gbContext; - CJBig2_Segment *m_pSegment; - FX_DWORD m_dwOffset; - JBig2RegionInfo m_ri; - std::list<CJBig2_CachePair>* m_pSymbolDictCache; + int32_t m_nSegmentDecoded; + IFX_Pause* m_pPause; + int32_t m_PauseStep; + FXCODEC_STATUS m_ProcessiveStatus; + FX_BOOL m_bFirstPage; + CJBig2_ArithDecoder* m_pArithDecoder; + CJBig2_GRDProc* m_pGRD; + JBig2ArithCtx* m_gbContext; + CJBig2_Segment* m_pSegment; + FX_DWORD m_dwOffset; + JBig2RegionInfo m_ri; + std::list<CJBig2_CachePair>* m_pSymbolDictCache; }; #endif diff --git a/core/src/fxcodec/jbig2/JBig2_Define.h b/core/src/fxcodec/jbig2/JBig2_Define.h index f3bdd5a620..3cca6acfd9 100644 --- a/core/src/fxcodec/jbig2/JBig2_Define.h +++ b/core/src/fxcodec/jbig2/JBig2_Define.h @@ -1,34 +1,39 @@ // Copyright 2014 PDFium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. - + // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com #ifndef _JBIG2_DEFINE_H_ #define _JBIG2_DEFINE_H_ #include "../../../include/fxcrt/fx_system.h" -#define JBIG2_memset FXSYS_memset -#define JBIG2_memcmp FXSYS_memcmp -#define JBIG2_memcpy FXSYS_memcpy +#define JBIG2_memset FXSYS_memset +#define JBIG2_memcmp FXSYS_memcmp +#define JBIG2_memcpy FXSYS_memcpy #include "JBig2_Object.h" -#define JBIG2_OOB 1 +#define JBIG2_OOB 1 typedef struct { - int32_t width, - height; - int32_t x, - y; - uint8_t flags; + int32_t width, height; + int32_t x, y; + uint8_t flags; } JBig2RegionInfo; typedef struct { - int32_t codelen; - int32_t code; + int32_t codelen; + int32_t code; } JBig2HuffmanCode; extern "C" { - void _FaxG4Decode(void *pModule, const uint8_t* src_buf, FX_DWORD src_size, int* pbitpos, uint8_t* dest_buf, int width, int height, int pitch = 0); +void _FaxG4Decode(void* pModule, + const uint8_t* src_buf, + FX_DWORD src_size, + int* pbitpos, + uint8_t* dest_buf, + int width, + int height, + int pitch = 0); }; -#define JBIG2_MAX_REFERRED_SEGMENT_COUNT 64 -#define JBIG2_MAX_EXPORT_SYSMBOLS 65535 -#define JBIG2_MAX_NEW_SYSMBOLS 65535 -#define JBIG2_MAX_PATTERN_INDEX 65535 -#define JBIG2_MAX_IMAGE_SIZE 65535 +#define JBIG2_MAX_REFERRED_SEGMENT_COUNT 64 +#define JBIG2_MAX_EXPORT_SYSMBOLS 65535 +#define JBIG2_MAX_NEW_SYSMBOLS 65535 +#define JBIG2_MAX_PATTERN_INDEX 65535 +#define JBIG2_MAX_IMAGE_SIZE 65535 #endif diff --git a/core/src/fxcodec/jbig2/JBig2_GeneralDecoder.cpp b/core/src/fxcodec/jbig2/JBig2_GeneralDecoder.cpp index cabcd4c634..415d919f25 100644 --- a/core/src/fxcodec/jbig2/JBig2_GeneralDecoder.cpp +++ b/core/src/fxcodec/jbig2/JBig2_GeneralDecoder.cpp @@ -1,7 +1,7 @@ // Copyright 2014 PDFium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. - + // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com #include "JBig2_GeneralDecoder.h" @@ -12,2357 +12,2265 @@ #include "JBig2_PatternDict.h" extern const JBig2ArithQe QeTable[] = { - { 0x5601, 1, 1, 1 }, - { 0x3401, 2, 6, 0 }, - { 0x1801, 3, 9, 0 }, - { 0x0AC1, 4, 12, 0 }, - { 0x0521, 5, 29, 0 }, - { 0x0221, 38, 33, 0 }, - { 0x5601, 7, 6, 1 }, - { 0x5401, 8, 14, 0 }, - { 0x4801, 9, 14, 0 }, - { 0x3801, 10, 14, 0 }, - { 0x3001, 11, 17, 0 }, - { 0x2401, 12, 18, 0 }, - { 0x1C01, 13, 20, 0 }, - { 0x1601, 29, 21, 0 }, - { 0x5601, 15, 14, 1 }, - { 0x5401, 16, 14, 0 }, - { 0x5101, 17, 15, 0 }, - { 0x4801, 18, 16, 0 }, - { 0x3801, 19, 17, 0 }, - { 0x3401, 20, 18, 0 }, - { 0x3001, 21, 19, 0 }, - { 0x2801, 22, 19, 0 }, - { 0x2401, 23, 20, 0 }, - { 0x2201, 24, 21, 0 }, - { 0x1C01, 25, 22, 0 }, - { 0x1801, 26, 23, 0 }, - { 0x1601, 27, 24, 0 }, - { 0x1401, 28, 25, 0 }, - { 0x1201, 29, 26, 0 }, - { 0x1101, 30, 27, 0 }, - { 0x0AC1, 31, 28, 0 }, - { 0x09C1, 32, 29, 0 }, - { 0x08A1, 33, 30, 0 }, - { 0x0521, 34, 31, 0 }, - { 0x0441, 35, 32, 0 }, - { 0x02A1, 36, 33, 0 }, - { 0x0221, 37, 34, 0 }, - { 0x0141, 38, 35, 0 }, - { 0x0111, 39, 36, 0 }, - { 0x0085, 40, 37, 0 }, - { 0x0049, 41, 38, 0 }, - { 0x0025, 42, 39, 0 }, - { 0x0015, 43, 40, 0 }, - { 0x0009, 44, 41, 0 }, - { 0x0005, 45, 42, 0 }, - { 0x0001, 45, 43, 0 }, - { 0x5601, 46, 46, 0 } -}; + {0x5601, 1, 1, 1}, {0x3401, 2, 6, 0}, {0x1801, 3, 9, 0}, + {0x0AC1, 4, 12, 0}, {0x0521, 5, 29, 0}, {0x0221, 38, 33, 0}, + {0x5601, 7, 6, 1}, {0x5401, 8, 14, 0}, {0x4801, 9, 14, 0}, + {0x3801, 10, 14, 0}, {0x3001, 11, 17, 0}, {0x2401, 12, 18, 0}, + {0x1C01, 13, 20, 0}, {0x1601, 29, 21, 0}, {0x5601, 15, 14, 1}, + {0x5401, 16, 14, 0}, {0x5101, 17, 15, 0}, {0x4801, 18, 16, 0}, + {0x3801, 19, 17, 0}, {0x3401, 20, 18, 0}, {0x3001, 21, 19, 0}, + {0x2801, 22, 19, 0}, {0x2401, 23, 20, 0}, {0x2201, 24, 21, 0}, + {0x1C01, 25, 22, 0}, {0x1801, 26, 23, 0}, {0x1601, 27, 24, 0}, + {0x1401, 28, 25, 0}, {0x1201, 29, 26, 0}, {0x1101, 30, 27, 0}, + {0x0AC1, 31, 28, 0}, {0x09C1, 32, 29, 0}, {0x08A1, 33, 30, 0}, + {0x0521, 34, 31, 0}, {0x0441, 35, 32, 0}, {0x02A1, 36, 33, 0}, + {0x0221, 37, 34, 0}, {0x0141, 38, 35, 0}, {0x0111, 39, 36, 0}, + {0x0085, 40, 37, 0}, {0x0049, 41, 38, 0}, {0x0025, 42, 39, 0}, + {0x0015, 43, 40, 0}, {0x0009, 44, 41, 0}, {0x0005, 45, 42, 0}, + {0x0001, 45, 43, 0}, {0x5601, 46, 46, 0}}; extern const unsigned int JBIG2_QE_NUM = sizeof(QeTable) / sizeof(JBig2ArithQe); -CJBig2_Image *CJBig2_GRDProc::decode_Arith(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext) -{ - if (GBW == 0 || GBH == 0) { - CJBig2_Image* pImage; - JBIG2_ALLOC(pImage, CJBig2_Image(GBW, GBH)); - return pImage; +CJBig2_Image* CJBig2_GRDProc::decode_Arith(CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* gbContext) { + if (GBW == 0 || GBH == 0) { + CJBig2_Image* pImage; + JBIG2_ALLOC(pImage, CJBig2_Image(GBW, GBH)); + return pImage; + } + if (GBTEMPLATE == 0) { + if ((GBAT[0] == 3) && (GBAT[1] == (signed char)-1) && + (GBAT[2] == (signed char)-3) && (GBAT[3] == (signed char)-1) && + (GBAT[4] == 2) && (GBAT[5] == (signed char)-2) && + (GBAT[6] == (signed char)-2) && (GBAT[7] == (signed char)-2)) { + return decode_Arith_Template0_opt3(pArithDecoder, gbContext); + } else { + return decode_Arith_Template0_unopt(pArithDecoder, gbContext); } - if(GBTEMPLATE == 0) { - if((GBAT[0] == 3) && (GBAT[1] == (signed char) - 1) - && (GBAT[2] == (signed char) - 3) && (GBAT[3] == (signed char) - 1) - && (GBAT[4] == 2) && (GBAT[5] == (signed char) - 2) - && (GBAT[6] == (signed char) - 2) && (GBAT[7] == (signed char) - 2)) { - return decode_Arith_Template0_opt3(pArithDecoder, gbContext); - } else { - return decode_Arith_Template0_unopt(pArithDecoder, gbContext); - } - } else if(GBTEMPLATE == 1) { - if((GBAT[0] == 3) && (GBAT[1] == (signed char) - 1)) { - return decode_Arith_Template1_opt3(pArithDecoder, gbContext); - } else { - return decode_Arith_Template1_unopt(pArithDecoder, gbContext); - } - } else if(GBTEMPLATE == 2) { - if((GBAT[0] == 2) && (GBAT[1] == (signed char) - 1)) { - return decode_Arith_Template2_opt3(pArithDecoder, gbContext); - } else { - return decode_Arith_Template2_unopt(pArithDecoder, gbContext); - } + } else if (GBTEMPLATE == 1) { + if ((GBAT[0] == 3) && (GBAT[1] == (signed char)-1)) { + return decode_Arith_Template1_opt3(pArithDecoder, gbContext); } else { - if((GBAT[0] == 2) && (GBAT[1] == (signed char) - 1)) { - return decode_Arith_Template3_opt3(pArithDecoder, gbContext); - } else { - return decode_Arith_Template3_unopt(pArithDecoder, gbContext); - } + return decode_Arith_Template1_unopt(pArithDecoder, gbContext); + } + } else if (GBTEMPLATE == 2) { + if ((GBAT[0] == 2) && (GBAT[1] == (signed char)-1)) { + return decode_Arith_Template2_opt3(pArithDecoder, gbContext); + } else { + return decode_Arith_Template2_unopt(pArithDecoder, gbContext); + } + } else { + if ((GBAT[0] == 2) && (GBAT[1] == (signed char)-1)) { + return decode_Arith_Template3_opt3(pArithDecoder, gbContext); + } else { + return decode_Arith_Template3_unopt(pArithDecoder, gbContext); } + } } -CJBig2_Image *CJBig2_GRDProc::decode_Arith_Template0_opt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext) -{ - FX_BOOL LTP, SLTP, bVal; - FX_DWORD CONTEXT; - CJBig2_Image *GBREG; - FX_DWORD line1, line2, line3; - LTP = 0; - JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); - GBREG->fill(0); - for(FX_DWORD h = 0; h < GBH; h++) { - if(TPGDON) { - SLTP = pArithDecoder->DECODE(&gbContext[0x9b25]); - LTP = LTP ^ SLTP; - } - if(LTP == 1) { - GBREG->copyLine(h, h - 1); +CJBig2_Image* CJBig2_GRDProc::decode_Arith_Template0_opt( + CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* gbContext) { + FX_BOOL LTP, SLTP, bVal; + FX_DWORD CONTEXT; + CJBig2_Image* GBREG; + FX_DWORD line1, line2, line3; + LTP = 0; + JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); + GBREG->fill(0); + for (FX_DWORD h = 0; h < GBH; h++) { + if (TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x9b25]); + LTP = LTP ^ SLTP; + } + if (LTP == 1) { + GBREG->copyLine(h, h - 1); + } else { + line1 = GBREG->getPixel(2, h - 2); + line1 |= GBREG->getPixel(1, h - 2) << 1; + line1 |= GBREG->getPixel(0, h - 2) << 2; + line2 = GBREG->getPixel(3, h - 1); + line2 |= GBREG->getPixel(2, h - 1) << 1; + line2 |= GBREG->getPixel(1, h - 1) << 2; + line2 |= GBREG->getPixel(0, h - 1) << 3; + line3 = 0; + for (FX_DWORD w = 0; w < GBW; w++) { + if (USESKIP && SKIP->getPixel(w, h)) { + bVal = 0; } else { - line1 = GBREG->getPixel(2, h - 2); - line1 |= GBREG->getPixel(1, h - 2) << 1; - line1 |= GBREG->getPixel(0, h - 2) << 2; - line2 = GBREG->getPixel(3, h - 1); - line2 |= GBREG->getPixel(2, h - 1) << 1; - line2 |= GBREG->getPixel(1, h - 1) << 2; - line2 |= GBREG->getPixel(0, h - 1) << 3; - line3 = 0; - for(FX_DWORD w = 0; w < GBW; w++) { - if(USESKIP && SKIP->getPixel(w, h)) { - bVal = 0; - } else { - CONTEXT = line3; - CONTEXT |= line2 << 4; - CONTEXT |= line1 << 11; - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - } - if(bVal) { - GBREG->setPixel(w, h, bVal); - } - line1 = ((line1 << 1) | GBREG->getPixel(w + 3, h - 2)) & 0x1f; - line2 = ((line2 << 1) | GBREG->getPixel(w + 4, h - 1)) & 0x7f; - line3 = ((line3 << 1) | bVal) & 0x0f; - } + CONTEXT = line3; + CONTEXT |= line2 << 4; + CONTEXT |= line1 << 11; + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + } + if (bVal) { + GBREG->setPixel(w, h, bVal); } + line1 = ((line1 << 1) | GBREG->getPixel(w + 3, h - 2)) & 0x1f; + line2 = ((line2 << 1) | GBREG->getPixel(w + 4, h - 1)) & 0x7f; + line3 = ((line3 << 1) | bVal) & 0x0f; + } } - return GBREG; + } + return GBREG; } -CJBig2_Image *CJBig2_GRDProc::decode_Arith_Template0_opt2(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext) -{ - FX_BOOL LTP, SLTP, bVal; - FX_DWORD CONTEXT; - CJBig2_Image *GBREG; - FX_DWORD line1, line2; - uint8_t *pLine, cVal; - intptr_t nStride, nStride2; - int32_t nBits, k; - LTP = 0; - JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); - if (GBREG->m_pData == NULL) { - delete GBREG; - m_pModule->JBig2_Error("Generic region decoding procedure: Create Image Failed with width = %d, height = %d\n", GBW, GBH); - return NULL; +CJBig2_Image* CJBig2_GRDProc::decode_Arith_Template0_opt2( + CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* gbContext) { + FX_BOOL LTP, SLTP, bVal; + FX_DWORD CONTEXT; + CJBig2_Image* GBREG; + FX_DWORD line1, line2; + uint8_t *pLine, cVal; + intptr_t nStride, nStride2; + int32_t nBits, k; + LTP = 0; + JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); + if (GBREG->m_pData == NULL) { + delete GBREG; + m_pModule->JBig2_Error( + "Generic region decoding procedure: Create Image Failed with width = " + "%d, height = %d\n", + GBW, GBH); + return NULL; + } + pLine = GBREG->m_pData; + nStride = GBREG->m_nStride; + nStride2 = nStride << 1; + for (FX_DWORD h = 0; h < GBH; h++) { + if (TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x9b25]); + LTP = LTP ^ SLTP; } - pLine = GBREG->m_pData; - nStride = GBREG->m_nStride; - nStride2 = nStride << 1; - for(FX_DWORD h = 0; h < GBH; h++) { - if(TPGDON) { - SLTP = pArithDecoder->DECODE(&gbContext[0x9b25]); - LTP = LTP ^ SLTP; - } - if(LTP == 1) { - GBREG->copyLine(h, h - 1); + if (LTP == 1) { + GBREG->copyLine(h, h - 1); + } else { + line1 = (h > 1) ? pLine[-nStride2] << 6 : 0; + line2 = (h > 0) ? pLine[-nStride] : 0; + CONTEXT = (line1 & 0xf800) | (line2 & 0x07f0); + for (FX_DWORD w = 0; w < GBW; w += 8) { + if (w + 8 < GBW) { + nBits = 8; + if (h > 1) { + line1 = (line1 << 8) | (pLine[-nStride2 + (w >> 3) + 1] << 6); + } + if (h > 0) { + line2 = (line2 << 8) | (pLine[-nStride + (w >> 3) + 1]); + } } else { - line1 = (h > 1) ? pLine[-nStride2] << 6 : 0; - line2 = (h > 0) ? pLine[-nStride] : 0; - CONTEXT = (line1 & 0xf800) | (line2 & 0x07f0); - for(FX_DWORD w = 0; w < GBW; w += 8) { - if(w + 8 < GBW) { - nBits = 8; - if(h > 1) { - line1 = (line1 << 8) | (pLine[-nStride2 + (w >> 3) + 1] << 6); - } - if(h > 0) { - line2 = (line2 << 8) | (pLine[-nStride + (w >> 3) + 1]); - } - } else { - nBits = GBW - w; - if(h > 1) { - line1 <<= 8; - } - if(h > 0) { - line2 <<= 8; - } - } - cVal = 0; - for(k = 0; k < nBits; k++) { - if(USESKIP && SKIP->getPixel(w, h)) { - bVal = 0; - } else { - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - } - cVal |= bVal << (7 - k); - CONTEXT = ((CONTEXT & 0x7bf7) << 1) | bVal - | ((line1 >> (7 - k)) & 0x0800) - | ((line2 >> (7 - k)) & 0x0010); - } - pLine[w >> 3] = cVal; - } + nBits = GBW - w; + if (h > 1) { + line1 <<= 8; + } + if (h > 0) { + line2 <<= 8; + } } - pLine += nStride; + cVal = 0; + for (k = 0; k < nBits; k++) { + if (USESKIP && SKIP->getPixel(w, h)) { + bVal = 0; + } else { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + } + cVal |= bVal << (7 - k); + CONTEXT = ((CONTEXT & 0x7bf7) << 1) | bVal | + ((line1 >> (7 - k)) & 0x0800) | + ((line2 >> (7 - k)) & 0x0010); + } + pLine[w >> 3] = cVal; + } } - return GBREG; + pLine += nStride; + } + return GBREG; } -CJBig2_Image *CJBig2_GRDProc::decode_Arith_Template0_opt3(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext) -{ - FX_BOOL LTP, SLTP, bVal; - FX_DWORD CONTEXT; - CJBig2_Image *GBREG; - FX_DWORD line1, line2; - uint8_t *pLine, *pLine1, *pLine2, cVal; - int32_t nStride, nStride2, k; - int32_t nLineBytes, nBitsLeft, cc; - LTP = 0; - JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); - if (GBREG->m_pData == NULL) { - delete GBREG; - m_pModule->JBig2_Error("Generic region decoding procedure: Create Image Failed with width = %d, height = %d\n", GBW, GBH); - return NULL; +CJBig2_Image* CJBig2_GRDProc::decode_Arith_Template0_opt3( + CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* gbContext) { + FX_BOOL LTP, SLTP, bVal; + FX_DWORD CONTEXT; + CJBig2_Image* GBREG; + FX_DWORD line1, line2; + uint8_t *pLine, *pLine1, *pLine2, cVal; + int32_t nStride, nStride2, k; + int32_t nLineBytes, nBitsLeft, cc; + LTP = 0; + JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); + if (GBREG->m_pData == NULL) { + delete GBREG; + m_pModule->JBig2_Error( + "Generic region decoding procedure: Create Image Failed with width = " + "%d, height = %d\n", + GBW, GBH); + return NULL; + } + pLine = GBREG->m_pData; + nStride = GBREG->m_nStride; + nStride2 = nStride << 1; + nLineBytes = ((GBW + 7) >> 3) - 1; + nBitsLeft = GBW - (nLineBytes << 3); + FX_DWORD height = GBH & 0x7fffffff; + for (FX_DWORD h = 0; h < height; h++) { + if (TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x9b25]); + LTP = LTP ^ SLTP; } - pLine = GBREG->m_pData; - nStride = GBREG->m_nStride; - nStride2 = nStride << 1; - nLineBytes = ((GBW + 7) >> 3) - 1; - nBitsLeft = GBW - (nLineBytes << 3); - FX_DWORD height = GBH & 0x7fffffff; - for(FX_DWORD h = 0; h < height; h++) { - if(TPGDON) { - SLTP = pArithDecoder->DECODE(&gbContext[0x9b25]); - LTP = LTP ^ SLTP; + if (LTP == 1) { + GBREG->copyLine(h, h - 1); + } else { + if (h > 1) { + pLine1 = pLine - nStride2; + pLine2 = pLine - nStride; + line1 = (*pLine1++) << 6; + line2 = *pLine2++; + CONTEXT = ((line1 & 0xf800) | (line2 & 0x07f0)); + for (cc = 0; cc < nLineBytes; cc++) { + line1 = (line1 << 8) | ((*pLine1++) << 6); + line2 = (line2 << 8) | (*pLine2++); + cVal = 0; + for (k = 7; k >= 0; k--) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << k; + CONTEXT = (((CONTEXT & 0x7bf7) << 1) | bVal | + ((line1 >> k) & 0x0800) | ((line2 >> k) & 0x0010)); + } + pLine[cc] = cVal; } - if(LTP == 1) { - GBREG->copyLine(h, h - 1); - } else { - if(h > 1) { - pLine1 = pLine - nStride2; - pLine2 = pLine - nStride; - line1 = (*pLine1++) << 6; - line2 = *pLine2++; - CONTEXT = ((line1 & 0xf800) | (line2 & 0x07f0)); - for(cc = 0; cc < nLineBytes; cc++) { - line1 = (line1 << 8) | ((*pLine1++) << 6); - line2 = (line2 << 8) | (*pLine2++); - cVal = 0; - for(k = 7; k >= 0; k--) { - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - cVal |= bVal << k; - CONTEXT = (((CONTEXT & 0x7bf7) << 1) | bVal - | ((line1 >> k) & 0x0800) - | ((line2 >> k) & 0x0010)); - } - pLine[cc] = cVal; - } - line1 <<= 8; - line2 <<= 8; - cVal = 0; - for(k = 0; k < nBitsLeft; k++) { - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - cVal |= bVal << (7 - k); - CONTEXT = (((CONTEXT & 0x7bf7) << 1) | bVal - | ((line1 >> (7 - k)) & 0x0800) - | ((line2 >> (7 - k)) & 0x0010)); - } - pLine[nLineBytes] = cVal; - } else { - pLine2 = pLine - nStride; - line2 = (h & 1) ? (*pLine2++) : 0; - CONTEXT = (line2 & 0x07f0); - for(cc = 0; cc < nLineBytes; cc++) { - if(h & 1) { - line2 = (line2 << 8) | (*pLine2++); - } - cVal = 0; - for(k = 7; k >= 0; k--) { - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - cVal |= bVal << k; - CONTEXT = (((CONTEXT & 0x7bf7) << 1) | bVal - | ((line2 >> k) & 0x0010)); - } - pLine[cc] = cVal; - } - line2 <<= 8; - cVal = 0; - for(k = 0; k < nBitsLeft; k++) { - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - cVal |= bVal << (7 - k); - CONTEXT = (((CONTEXT & 0x7bf7) << 1) | bVal - | (((line2 >> (7 - k))) & 0x0010)); - } - pLine[nLineBytes] = cVal; - } + line1 <<= 8; + line2 <<= 8; + cVal = 0; + for (k = 0; k < nBitsLeft; k++) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << (7 - k); + CONTEXT = + (((CONTEXT & 0x7bf7) << 1) | bVal | + ((line1 >> (7 - k)) & 0x0800) | ((line2 >> (7 - k)) & 0x0010)); } - pLine += nStride; - } - return GBREG; -} -CJBig2_Image *CJBig2_GRDProc::decode_Arith_Template0_unopt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext) -{ - FX_BOOL LTP, SLTP, bVal; - FX_DWORD CONTEXT; - CJBig2_Image *GBREG; - FX_DWORD line1, line2, line3; - LTP = 0; - JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); - GBREG->fill(0); - for(FX_DWORD h = 0; h < GBH; h++) { - if(TPGDON) { - SLTP = pArithDecoder->DECODE(&gbContext[0x9b25]); - LTP = LTP ^ SLTP; + pLine[nLineBytes] = cVal; + } else { + pLine2 = pLine - nStride; + line2 = (h & 1) ? (*pLine2++) : 0; + CONTEXT = (line2 & 0x07f0); + for (cc = 0; cc < nLineBytes; cc++) { + if (h & 1) { + line2 = (line2 << 8) | (*pLine2++); + } + cVal = 0; + for (k = 7; k >= 0; k--) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << k; + CONTEXT = + (((CONTEXT & 0x7bf7) << 1) | bVal | ((line2 >> k) & 0x0010)); + } + pLine[cc] = cVal; } - if(LTP == 1) { - GBREG->copyLine(h, h - 1); - } else { - line1 = GBREG->getPixel(1, h - 2); - line1 |= GBREG->getPixel(0, h - 2) << 1; - line2 = GBREG->getPixel(2, h - 1); - line2 |= GBREG->getPixel(1, h - 1) << 1; - line2 |= GBREG->getPixel(0, h - 1) << 2; - line3 = 0; - for(FX_DWORD w = 0; w < GBW; w++) { - if(USESKIP && SKIP->getPixel(w, h)) { - bVal = 0; - } else { - CONTEXT = line3; - CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 4; - CONTEXT |= line2 << 5; - CONTEXT |= GBREG->getPixel(w + GBAT[2], h + GBAT[3]) << 10; - CONTEXT |= GBREG->getPixel(w + GBAT[4], h + GBAT[5]) << 11; - CONTEXT |= line1 << 12; - CONTEXT |= GBREG->getPixel(w + GBAT[6], h + GBAT[7]) << 15; - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - } - if(bVal) { - GBREG->setPixel(w, h, bVal); - } - line1 = ((line1 << 1) | GBREG->getPixel(w + 2, h - 2)) & 0x07; - line2 = ((line2 << 1) | GBREG->getPixel(w + 3, h - 1)) & 0x1f; - line3 = ((line3 << 1) | bVal) & 0x0f; - } + line2 <<= 8; + cVal = 0; + for (k = 0; k < nBitsLeft; k++) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << (7 - k); + CONTEXT = (((CONTEXT & 0x7bf7) << 1) | bVal | + (((line2 >> (7 - k))) & 0x0010)); } + pLine[nLineBytes] = cVal; + } } - return GBREG; + pLine += nStride; + } + return GBREG; } -CJBig2_Image *CJBig2_GRDProc::decode_Arith_Template1_opt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext) -{ - FX_BOOL LTP, SLTP, bVal; - FX_DWORD CONTEXT; - CJBig2_Image *GBREG; - FX_DWORD line1, line2, line3; - LTP = 0; - JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); - GBREG->fill(0); - for(FX_DWORD h = 0; h < GBH; h++) { - if(TPGDON) { - SLTP = pArithDecoder->DECODE(&gbContext[0x0795]); - LTP = LTP ^ SLTP; - } - if(LTP == 1) { - GBREG->copyLine(h, h - 1); +CJBig2_Image* CJBig2_GRDProc::decode_Arith_Template0_unopt( + CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* gbContext) { + FX_BOOL LTP, SLTP, bVal; + FX_DWORD CONTEXT; + CJBig2_Image* GBREG; + FX_DWORD line1, line2, line3; + LTP = 0; + JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); + GBREG->fill(0); + for (FX_DWORD h = 0; h < GBH; h++) { + if (TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x9b25]); + LTP = LTP ^ SLTP; + } + if (LTP == 1) { + GBREG->copyLine(h, h - 1); + } else { + line1 = GBREG->getPixel(1, h - 2); + line1 |= GBREG->getPixel(0, h - 2) << 1; + line2 = GBREG->getPixel(2, h - 1); + line2 |= GBREG->getPixel(1, h - 1) << 1; + line2 |= GBREG->getPixel(0, h - 1) << 2; + line3 = 0; + for (FX_DWORD w = 0; w < GBW; w++) { + if (USESKIP && SKIP->getPixel(w, h)) { + bVal = 0; } else { - line1 = GBREG->getPixel(2, h - 2); - line1 |= GBREG->getPixel(1, h - 2) << 1; - line1 |= GBREG->getPixel(0, h - 2) << 2; - line2 = GBREG->getPixel(3, h - 1); - line2 |= GBREG->getPixel(2, h - 1) << 1; - line2 |= GBREG->getPixel(1, h - 1) << 2; - line2 |= GBREG->getPixel(0, h - 1) << 3; - line3 = 0; - for(FX_DWORD w = 0; w < GBW; w++) { - if(USESKIP && SKIP->getPixel(w, h)) { - bVal = 0; - } else { - CONTEXT = line3; - CONTEXT |= line2 << 3; - CONTEXT |= line1 << 9; - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - } - if(bVal) { - GBREG->setPixel(w, h, bVal); - } - line1 = ((line1 << 1) | GBREG->getPixel(w + 3, h - 2)) & 0x0f; - line2 = ((line2 << 1) | GBREG->getPixel(w + 4, h - 1)) & 0x3f; - line3 = ((line3 << 1) | bVal) & 0x07; - } + CONTEXT = line3; + CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 4; + CONTEXT |= line2 << 5; + CONTEXT |= GBREG->getPixel(w + GBAT[2], h + GBAT[3]) << 10; + CONTEXT |= GBREG->getPixel(w + GBAT[4], h + GBAT[5]) << 11; + CONTEXT |= line1 << 12; + CONTEXT |= GBREG->getPixel(w + GBAT[6], h + GBAT[7]) << 15; + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); } + if (bVal) { + GBREG->setPixel(w, h, bVal); + } + line1 = ((line1 << 1) | GBREG->getPixel(w + 2, h - 2)) & 0x07; + line2 = ((line2 << 1) | GBREG->getPixel(w + 3, h - 1)) & 0x1f; + line3 = ((line3 << 1) | bVal) & 0x0f; + } } - return GBREG; + } + return GBREG; } -CJBig2_Image *CJBig2_GRDProc::decode_Arith_Template1_opt2(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext) -{ - FX_BOOL LTP, SLTP, bVal; - FX_DWORD CONTEXT; - CJBig2_Image *GBREG; - FX_DWORD line1, line2; - uint8_t *pLine, cVal; - intptr_t nStride, nStride2; - int32_t nBits, k; - LTP = 0; - JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); - if (GBREG->m_pData == NULL) { - delete GBREG; - m_pModule->JBig2_Error("Generic region decoding procedure: Create Image Failed with width = %d, height = %d\n", GBW, GBH); - return NULL; +CJBig2_Image* CJBig2_GRDProc::decode_Arith_Template1_opt( + CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* gbContext) { + FX_BOOL LTP, SLTP, bVal; + FX_DWORD CONTEXT; + CJBig2_Image* GBREG; + FX_DWORD line1, line2, line3; + LTP = 0; + JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); + GBREG->fill(0); + for (FX_DWORD h = 0; h < GBH; h++) { + if (TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x0795]); + LTP = LTP ^ SLTP; } - pLine = GBREG->m_pData; - nStride = GBREG->m_nStride; - nStride2 = nStride << 1; - for(FX_DWORD h = 0; h < GBH; h++) { - if(TPGDON) { - SLTP = pArithDecoder->DECODE(&gbContext[0x0795]); - LTP = LTP ^ SLTP; - } - if(LTP == 1) { - GBREG->copyLine(h, h - 1); + if (LTP == 1) { + GBREG->copyLine(h, h - 1); + } else { + line1 = GBREG->getPixel(2, h - 2); + line1 |= GBREG->getPixel(1, h - 2) << 1; + line1 |= GBREG->getPixel(0, h - 2) << 2; + line2 = GBREG->getPixel(3, h - 1); + line2 |= GBREG->getPixel(2, h - 1) << 1; + line2 |= GBREG->getPixel(1, h - 1) << 2; + line2 |= GBREG->getPixel(0, h - 1) << 3; + line3 = 0; + for (FX_DWORD w = 0; w < GBW; w++) { + if (USESKIP && SKIP->getPixel(w, h)) { + bVal = 0; } else { - line1 = (h > 1) ? pLine[-nStride2] << 4 : 0; - line2 = (h > 0) ? pLine[-nStride] : 0; - CONTEXT = (line1 & 0x1e00) | ((line2 >> 1) & 0x01f8); - for(FX_DWORD w = 0; w < GBW; w += 8) { - if(w + 8 < GBW) { - nBits = 8; - if(h > 1) { - line1 = (line1 << 8) | (pLine[-nStride2 + (w >> 3) + 1] << 4); - } - if(h > 0) { - line2 = (line2 << 8) | (pLine[-nStride + (w >> 3) + 1]); - } - } else { - nBits = GBW - w; - if(h > 1) { - line1 <<= 8; - } - if(h > 0) { - line2 <<= 8; - } - } - cVal = 0; - for(k = 0; k < nBits; k++) { - if(USESKIP && SKIP->getPixel(w, h)) { - bVal = 0; - } else { - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - } - cVal |= bVal << (7 - k); - CONTEXT = ((CONTEXT & 0x0efb) << 1) | bVal - | ((line1 >> (7 - k)) & 0x0200) - | ((line2 >> (8 - k)) & 0x0008); - } - pLine[w >> 3] = cVal; - } + CONTEXT = line3; + CONTEXT |= line2 << 3; + CONTEXT |= line1 << 9; + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); } - pLine += nStride; + if (bVal) { + GBREG->setPixel(w, h, bVal); + } + line1 = ((line1 << 1) | GBREG->getPixel(w + 3, h - 2)) & 0x0f; + line2 = ((line2 << 1) | GBREG->getPixel(w + 4, h - 1)) & 0x3f; + line3 = ((line3 << 1) | bVal) & 0x07; + } } - return GBREG; + } + return GBREG; } -CJBig2_Image *CJBig2_GRDProc::decode_Arith_Template1_opt3(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext) -{ - FX_BOOL LTP, SLTP, bVal; - FX_DWORD CONTEXT; - CJBig2_Image *GBREG; - FX_DWORD line1, line2; - uint8_t *pLine, *pLine1, *pLine2, cVal; - int32_t nStride, nStride2, k; - int32_t nLineBytes, nBitsLeft, cc; - LTP = 0; - JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); - if (GBREG->m_pData == NULL) { - delete GBREG; - m_pModule->JBig2_Error("Generic region decoding procedure: Create Image Failed with width = %d, height = %d\n", GBW, GBH); - return NULL; +CJBig2_Image* CJBig2_GRDProc::decode_Arith_Template1_opt2( + CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* gbContext) { + FX_BOOL LTP, SLTP, bVal; + FX_DWORD CONTEXT; + CJBig2_Image* GBREG; + FX_DWORD line1, line2; + uint8_t *pLine, cVal; + intptr_t nStride, nStride2; + int32_t nBits, k; + LTP = 0; + JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); + if (GBREG->m_pData == NULL) { + delete GBREG; + m_pModule->JBig2_Error( + "Generic region decoding procedure: Create Image Failed with width = " + "%d, height = %d\n", + GBW, GBH); + return NULL; + } + pLine = GBREG->m_pData; + nStride = GBREG->m_nStride; + nStride2 = nStride << 1; + for (FX_DWORD h = 0; h < GBH; h++) { + if (TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x0795]); + LTP = LTP ^ SLTP; } - pLine = GBREG->m_pData; - nStride = GBREG->m_nStride; - nStride2 = nStride << 1; - nLineBytes = ((GBW + 7) >> 3) - 1; - nBitsLeft = GBW - (nLineBytes << 3); - for(FX_DWORD h = 0; h < GBH; h++) { - if(TPGDON) { - SLTP = pArithDecoder->DECODE(&gbContext[0x0795]); - LTP = LTP ^ SLTP; - } - if(LTP == 1) { - GBREG->copyLine(h, h - 1); + if (LTP == 1) { + GBREG->copyLine(h, h - 1); + } else { + line1 = (h > 1) ? pLine[-nStride2] << 4 : 0; + line2 = (h > 0) ? pLine[-nStride] : 0; + CONTEXT = (line1 & 0x1e00) | ((line2 >> 1) & 0x01f8); + for (FX_DWORD w = 0; w < GBW; w += 8) { + if (w + 8 < GBW) { + nBits = 8; + if (h > 1) { + line1 = (line1 << 8) | (pLine[-nStride2 + (w >> 3) + 1] << 4); + } + if (h > 0) { + line2 = (line2 << 8) | (pLine[-nStride + (w >> 3) + 1]); + } } else { - if(h > 1) { - pLine1 = pLine - nStride2; - pLine2 = pLine - nStride; - line1 = (*pLine1++) << 4; - line2 = *pLine2++; - CONTEXT = (line1 & 0x1e00) | ((line2 >> 1) & 0x01f8); - for(cc = 0; cc < nLineBytes; cc++) { - line1 = (line1 << 8) | ((*pLine1++) << 4); - line2 = (line2 << 8) | (*pLine2++); - cVal = 0; - for(k = 7; k >= 0; k--) { - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - cVal |= bVal << k; - CONTEXT = ((CONTEXT & 0x0efb) << 1) | bVal - | ((line1 >> k) & 0x0200) - | ((line2 >> (k + 1)) & 0x0008); - } - pLine[cc] = cVal; - } - line1 <<= 8; - line2 <<= 8; - cVal = 0; - for(k = 0; k < nBitsLeft; k++) { - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - cVal |= bVal << (7 - k); - CONTEXT = ((CONTEXT & 0x0efb) << 1) | bVal - | ((line1 >> (7 - k)) & 0x0200) - | ((line2 >> (8 - k)) & 0x0008); - } - pLine[nLineBytes] = cVal; - } else { - pLine2 = pLine - nStride; - line2 = (h & 1) ? (*pLine2++) : 0; - CONTEXT = (line2 >> 1) & 0x01f8; - for(cc = 0; cc < nLineBytes; cc++) { - if(h & 1) { - line2 = (line2 << 8) | (*pLine2++); - } - cVal = 0; - for(k = 7; k >= 0; k--) { - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - cVal |= bVal << k; - CONTEXT = ((CONTEXT & 0x0efb) << 1) | bVal - | ((line2 >> (k + 1)) & 0x0008); - } - pLine[cc] = cVal; - } - line2 <<= 8; - cVal = 0; - for(k = 0; k < nBitsLeft; k++) { - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - cVal |= bVal << (7 - k); - CONTEXT = ((CONTEXT & 0x0efb) << 1) | bVal - | ((line2 >> (8 - k)) & 0x0008); - } - pLine[nLineBytes] = cVal; - } + nBits = GBW - w; + if (h > 1) { + line1 <<= 8; + } + if (h > 0) { + line2 <<= 8; + } } - pLine += nStride; + cVal = 0; + for (k = 0; k < nBits; k++) { + if (USESKIP && SKIP->getPixel(w, h)) { + bVal = 0; + } else { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + } + cVal |= bVal << (7 - k); + CONTEXT = ((CONTEXT & 0x0efb) << 1) | bVal | + ((line1 >> (7 - k)) & 0x0200) | + ((line2 >> (8 - k)) & 0x0008); + } + pLine[w >> 3] = cVal; + } } - return GBREG; + pLine += nStride; + } + return GBREG; } -CJBig2_Image *CJBig2_GRDProc::decode_Arith_Template1_unopt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext) -{ - FX_BOOL LTP, SLTP, bVal; - FX_DWORD CONTEXT; - CJBig2_Image *GBREG; - FX_DWORD line1, line2, line3; - LTP = 0; - JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); - GBREG->fill(0); - for(FX_DWORD h = 0; h < GBH; h++) { - if(TPGDON) { - SLTP = pArithDecoder->DECODE(&gbContext[0x0795]); - LTP = LTP ^ SLTP; +CJBig2_Image* CJBig2_GRDProc::decode_Arith_Template1_opt3( + CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* gbContext) { + FX_BOOL LTP, SLTP, bVal; + FX_DWORD CONTEXT; + CJBig2_Image* GBREG; + FX_DWORD line1, line2; + uint8_t *pLine, *pLine1, *pLine2, cVal; + int32_t nStride, nStride2, k; + int32_t nLineBytes, nBitsLeft, cc; + LTP = 0; + JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); + if (GBREG->m_pData == NULL) { + delete GBREG; + m_pModule->JBig2_Error( + "Generic region decoding procedure: Create Image Failed with width = " + "%d, height = %d\n", + GBW, GBH); + return NULL; + } + pLine = GBREG->m_pData; + nStride = GBREG->m_nStride; + nStride2 = nStride << 1; + nLineBytes = ((GBW + 7) >> 3) - 1; + nBitsLeft = GBW - (nLineBytes << 3); + for (FX_DWORD h = 0; h < GBH; h++) { + if (TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x0795]); + LTP = LTP ^ SLTP; + } + if (LTP == 1) { + GBREG->copyLine(h, h - 1); + } else { + if (h > 1) { + pLine1 = pLine - nStride2; + pLine2 = pLine - nStride; + line1 = (*pLine1++) << 4; + line2 = *pLine2++; + CONTEXT = (line1 & 0x1e00) | ((line2 >> 1) & 0x01f8); + for (cc = 0; cc < nLineBytes; cc++) { + line1 = (line1 << 8) | ((*pLine1++) << 4); + line2 = (line2 << 8) | (*pLine2++); + cVal = 0; + for (k = 7; k >= 0; k--) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << k; + CONTEXT = ((CONTEXT & 0x0efb) << 1) | bVal | + ((line1 >> k) & 0x0200) | ((line2 >> (k + 1)) & 0x0008); + } + pLine[cc] = cVal; } - if(LTP == 1) { - GBREG->copyLine(h, h - 1); - } else { - line1 = GBREG->getPixel(2, h - 2); - line1 |= GBREG->getPixel(1, h - 2) << 1; - line1 |= GBREG->getPixel(0, h - 2) << 2; - line2 = GBREG->getPixel(2, h - 1); - line2 |= GBREG->getPixel(1, h - 1) << 1; - line2 |= GBREG->getPixel(0, h - 1) << 2; - line3 = 0; - for(FX_DWORD w = 0; w < GBW; w++) { - if(USESKIP && SKIP->getPixel(w, h)) { - bVal = 0; - } else { - CONTEXT = line3; - CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 3; - CONTEXT |= line2 << 4; - CONTEXT |= line1 << 9; - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - } - if(bVal) { - GBREG->setPixel(w, h, bVal); - } - line1 = ((line1 << 1) | GBREG->getPixel(w + 3, h - 2)) & 0x0f; - line2 = ((line2 << 1) | GBREG->getPixel(w + 3, h - 1)) & 0x1f; - line3 = ((line3 << 1) | bVal) & 0x07; - } + line1 <<= 8; + line2 <<= 8; + cVal = 0; + for (k = 0; k < nBitsLeft; k++) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << (7 - k); + CONTEXT = ((CONTEXT & 0x0efb) << 1) | bVal | + ((line1 >> (7 - k)) & 0x0200) | + ((line2 >> (8 - k)) & 0x0008); + } + pLine[nLineBytes] = cVal; + } else { + pLine2 = pLine - nStride; + line2 = (h & 1) ? (*pLine2++) : 0; + CONTEXT = (line2 >> 1) & 0x01f8; + for (cc = 0; cc < nLineBytes; cc++) { + if (h & 1) { + line2 = (line2 << 8) | (*pLine2++); + } + cVal = 0; + for (k = 7; k >= 0; k--) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << k; + CONTEXT = ((CONTEXT & 0x0efb) << 1) | bVal | + ((line2 >> (k + 1)) & 0x0008); + } + pLine[cc] = cVal; + } + line2 <<= 8; + cVal = 0; + for (k = 0; k < nBitsLeft; k++) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << (7 - k); + CONTEXT = + ((CONTEXT & 0x0efb) << 1) | bVal | ((line2 >> (8 - k)) & 0x0008); } + pLine[nLineBytes] = cVal; + } } - return GBREG; + pLine += nStride; + } + return GBREG; } -CJBig2_Image *CJBig2_GRDProc::decode_Arith_Template2_opt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext) -{ - FX_BOOL LTP, SLTP, bVal; - FX_DWORD CONTEXT; - CJBig2_Image *GBREG; - FX_DWORD line1, line2, line3; - LTP = 0; - JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); - GBREG->fill(0); - for(FX_DWORD h = 0; h < GBH; h++) { - if(TPGDON) { - SLTP = pArithDecoder->DECODE(&gbContext[0x00e5]); - LTP = LTP ^ SLTP; - } - if(LTP == 1) { - GBREG->copyLine(h, h - 1); +CJBig2_Image* CJBig2_GRDProc::decode_Arith_Template1_unopt( + CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* gbContext) { + FX_BOOL LTP, SLTP, bVal; + FX_DWORD CONTEXT; + CJBig2_Image* GBREG; + FX_DWORD line1, line2, line3; + LTP = 0; + JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); + GBREG->fill(0); + for (FX_DWORD h = 0; h < GBH; h++) { + if (TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x0795]); + LTP = LTP ^ SLTP; + } + if (LTP == 1) { + GBREG->copyLine(h, h - 1); + } else { + line1 = GBREG->getPixel(2, h - 2); + line1 |= GBREG->getPixel(1, h - 2) << 1; + line1 |= GBREG->getPixel(0, h - 2) << 2; + line2 = GBREG->getPixel(2, h - 1); + line2 |= GBREG->getPixel(1, h - 1) << 1; + line2 |= GBREG->getPixel(0, h - 1) << 2; + line3 = 0; + for (FX_DWORD w = 0; w < GBW; w++) { + if (USESKIP && SKIP->getPixel(w, h)) { + bVal = 0; } else { - line1 = GBREG->getPixel(1, h - 2); - line1 |= GBREG->getPixel(0, h - 2) << 1; - line2 = GBREG->getPixel(2, h - 1); - line2 |= GBREG->getPixel(1, h - 1) << 1; - line2 |= GBREG->getPixel(0, h - 1) << 2; - line3 = 0; - for(FX_DWORD w = 0; w < GBW; w++) { - if(USESKIP && SKIP->getPixel(w, h)) { - bVal = 0; - } else { - CONTEXT = line3; - CONTEXT |= line2 << 2; - CONTEXT |= line1 << 7; - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - } - if(bVal) { - GBREG->setPixel(w, h, bVal); - } - line1 = ((line1 << 1) | GBREG->getPixel(w + 2, h - 2)) & 0x07; - line2 = ((line2 << 1) | GBREG->getPixel(w + 3, h - 1)) & 0x1f; - line3 = ((line3 << 1) | bVal) & 0x03; - } + CONTEXT = line3; + CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 3; + CONTEXT |= line2 << 4; + CONTEXT |= line1 << 9; + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); } + if (bVal) { + GBREG->setPixel(w, h, bVal); + } + line1 = ((line1 << 1) | GBREG->getPixel(w + 3, h - 2)) & 0x0f; + line2 = ((line2 << 1) | GBREG->getPixel(w + 3, h - 1)) & 0x1f; + line3 = ((line3 << 1) | bVal) & 0x07; + } } - return GBREG; + } + return GBREG; } -CJBig2_Image *CJBig2_GRDProc::decode_Arith_Template2_opt2(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext) -{ - FX_BOOL LTP, SLTP, bVal; - FX_DWORD CONTEXT; - CJBig2_Image *GBREG; - FX_DWORD line1, line2; - uint8_t *pLine, cVal; - intptr_t nStride, nStride2; - int32_t nBits, k; - LTP = 0; - JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); - if (GBREG->m_pData == NULL) { - delete GBREG; - m_pModule->JBig2_Error("Generic region decoding procedure: Create Image Failed with width = %d, height = %d\n", GBW, GBH); - return NULL; +CJBig2_Image* CJBig2_GRDProc::decode_Arith_Template2_opt( + CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* gbContext) { + FX_BOOL LTP, SLTP, bVal; + FX_DWORD CONTEXT; + CJBig2_Image* GBREG; + FX_DWORD line1, line2, line3; + LTP = 0; + JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); + GBREG->fill(0); + for (FX_DWORD h = 0; h < GBH; h++) { + if (TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x00e5]); + LTP = LTP ^ SLTP; } - pLine = GBREG->m_pData; - nStride = GBREG->m_nStride; - nStride2 = nStride << 1; - for(FX_DWORD h = 0; h < GBH; h++) { - if(TPGDON) { - SLTP = pArithDecoder->DECODE(&gbContext[0x00e5]); - LTP = LTP ^ SLTP; - } - if(LTP == 1) { - GBREG->copyLine(h, h - 1); + if (LTP == 1) { + GBREG->copyLine(h, h - 1); + } else { + line1 = GBREG->getPixel(1, h - 2); + line1 |= GBREG->getPixel(0, h - 2) << 1; + line2 = GBREG->getPixel(2, h - 1); + line2 |= GBREG->getPixel(1, h - 1) << 1; + line2 |= GBREG->getPixel(0, h - 1) << 2; + line3 = 0; + for (FX_DWORD w = 0; w < GBW; w++) { + if (USESKIP && SKIP->getPixel(w, h)) { + bVal = 0; } else { - line1 = (h > 1) ? pLine[-nStride2] << 1 : 0; - line2 = (h > 0) ? pLine[-nStride] : 0; - CONTEXT = (line1 & 0x0380) | ((line2 >> 3) & 0x007c); - for(FX_DWORD w = 0; w < GBW; w += 8) { - if(w + 8 < GBW) { - nBits = 8; - if(h > 1) { - line1 = (line1 << 8) | (pLine[-nStride2 + (w >> 3) + 1] << 1); - } - if(h > 0) { - line2 = (line2 << 8) | (pLine[-nStride + (w >> 3) + 1]); - } - } else { - nBits = GBW - w; - if(h > 1) { - line1 <<= 8; - } - if(h > 0) { - line2 <<= 8; - } - } - cVal = 0; - for(k = 0; k < nBits; k++) { - if(USESKIP && SKIP->getPixel(w, h)) { - bVal = 0; - } else { - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - } - cVal |= bVal << (7 - k); - CONTEXT = ((CONTEXT & 0x01bd) << 1) | bVal - | ((line1 >> (7 - k)) & 0x0080) - | ((line2 >> (10 - k)) & 0x0004); - } - pLine[w >> 3] = cVal; - } + CONTEXT = line3; + CONTEXT |= line2 << 2; + CONTEXT |= line1 << 7; + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); } - pLine += nStride; + if (bVal) { + GBREG->setPixel(w, h, bVal); + } + line1 = ((line1 << 1) | GBREG->getPixel(w + 2, h - 2)) & 0x07; + line2 = ((line2 << 1) | GBREG->getPixel(w + 3, h - 1)) & 0x1f; + line3 = ((line3 << 1) | bVal) & 0x03; + } } - return GBREG; + } + return GBREG; } -CJBig2_Image *CJBig2_GRDProc::decode_Arith_Template2_opt3(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext) -{ - FX_BOOL LTP, SLTP, bVal; - FX_DWORD CONTEXT; - CJBig2_Image *GBREG; - FX_DWORD line1, line2; - uint8_t *pLine, *pLine1, *pLine2, cVal; - int32_t nStride, nStride2, k; - int32_t nLineBytes, nBitsLeft, cc; - LTP = 0; - JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); - if (GBREG->m_pData == NULL) { - delete GBREG; - m_pModule->JBig2_Error("Generic region decoding procedure: Create Image Failed with width = %d, height = %d\n", GBW, GBH); - return NULL; +CJBig2_Image* CJBig2_GRDProc::decode_Arith_Template2_opt2( + CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* gbContext) { + FX_BOOL LTP, SLTP, bVal; + FX_DWORD CONTEXT; + CJBig2_Image* GBREG; + FX_DWORD line1, line2; + uint8_t *pLine, cVal; + intptr_t nStride, nStride2; + int32_t nBits, k; + LTP = 0; + JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); + if (GBREG->m_pData == NULL) { + delete GBREG; + m_pModule->JBig2_Error( + "Generic region decoding procedure: Create Image Failed with width = " + "%d, height = %d\n", + GBW, GBH); + return NULL; + } + pLine = GBREG->m_pData; + nStride = GBREG->m_nStride; + nStride2 = nStride << 1; + for (FX_DWORD h = 0; h < GBH; h++) { + if (TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x00e5]); + LTP = LTP ^ SLTP; } - pLine = GBREG->m_pData; - nStride = GBREG->m_nStride; - nStride2 = nStride << 1; - nLineBytes = ((GBW + 7) >> 3) - 1; - nBitsLeft = GBW - (nLineBytes << 3); - for(FX_DWORD h = 0; h < GBH; h++) { - if(TPGDON) { - SLTP = pArithDecoder->DECODE(&gbContext[0x00e5]); - LTP = LTP ^ SLTP; - } - if(LTP == 1) { - GBREG->copyLine(h, h - 1); + if (LTP == 1) { + GBREG->copyLine(h, h - 1); + } else { + line1 = (h > 1) ? pLine[-nStride2] << 1 : 0; + line2 = (h > 0) ? pLine[-nStride] : 0; + CONTEXT = (line1 & 0x0380) | ((line2 >> 3) & 0x007c); + for (FX_DWORD w = 0; w < GBW; w += 8) { + if (w + 8 < GBW) { + nBits = 8; + if (h > 1) { + line1 = (line1 << 8) | (pLine[-nStride2 + (w >> 3) + 1] << 1); + } + if (h > 0) { + line2 = (line2 << 8) | (pLine[-nStride + (w >> 3) + 1]); + } } else { - if(h > 1) { - pLine1 = pLine - nStride2; - pLine2 = pLine - nStride; - line1 = (*pLine1++) << 1; - line2 = *pLine2++; - CONTEXT = (line1 & 0x0380) | ((line2 >> 3) & 0x007c); - for(cc = 0; cc < nLineBytes; cc++) { - line1 = (line1 << 8) | ((*pLine1++) << 1); - line2 = (line2 << 8) | (*pLine2++); - cVal = 0; - for(k = 7; k >= 0; k--) { - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - cVal |= bVal << k; - CONTEXT = ((CONTEXT & 0x01bd) << 1) | bVal - | ((line1 >> k) & 0x0080) - | ((line2 >> (k + 3)) & 0x0004); - } - pLine[cc] = cVal; - } - line1 <<= 8; - line2 <<= 8; - cVal = 0; - for(k = 0; k < nBitsLeft; k++) { - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - cVal |= bVal << (7 - k); - CONTEXT = ((CONTEXT & 0x01bd) << 1) | bVal - | ((line1 >> (7 - k)) & 0x0080) - | ((line2 >> (10 - k)) & 0x0004); - } - pLine[nLineBytes] = cVal; - } else { - pLine2 = pLine - nStride; - line2 = (h & 1) ? (*pLine2++) : 0; - CONTEXT = (line2 >> 3) & 0x007c; - for(cc = 0; cc < nLineBytes; cc++) { - if(h & 1) { - line2 = (line2 << 8) | (*pLine2++); - } - cVal = 0; - for(k = 7; k >= 0; k--) { - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - cVal |= bVal << k; - CONTEXT = ((CONTEXT & 0x01bd) << 1) | bVal - | ((line2 >> (k + 3)) & 0x0004); - } - pLine[cc] = cVal; - } - line2 <<= 8; - cVal = 0; - for(k = 0; k < nBitsLeft; k++) { - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - cVal |= bVal << (7 - k); - CONTEXT = ((CONTEXT & 0x01bd) << 1) | bVal - | (((line2 >> (10 - k))) & 0x0004); - } - pLine[nLineBytes] = cVal; - } + nBits = GBW - w; + if (h > 1) { + line1 <<= 8; + } + if (h > 0) { + line2 <<= 8; + } } - pLine += nStride; + cVal = 0; + for (k = 0; k < nBits; k++) { + if (USESKIP && SKIP->getPixel(w, h)) { + bVal = 0; + } else { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + } + cVal |= bVal << (7 - k); + CONTEXT = ((CONTEXT & 0x01bd) << 1) | bVal | + ((line1 >> (7 - k)) & 0x0080) | + ((line2 >> (10 - k)) & 0x0004); + } + pLine[w >> 3] = cVal; + } } - return GBREG; + pLine += nStride; + } + return GBREG; } -CJBig2_Image *CJBig2_GRDProc::decode_Arith_Template2_unopt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext) -{ - FX_BOOL LTP, SLTP, bVal; - FX_DWORD CONTEXT; - CJBig2_Image *GBREG; - FX_DWORD line1, line2, line3; - LTP = 0; - JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); - GBREG->fill(0); - for(FX_DWORD h = 0; h < GBH; h++) { - if(TPGDON) { - SLTP = pArithDecoder->DECODE(&gbContext[0x00e5]); - LTP = LTP ^ SLTP; +CJBig2_Image* CJBig2_GRDProc::decode_Arith_Template2_opt3( + CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* gbContext) { + FX_BOOL LTP, SLTP, bVal; + FX_DWORD CONTEXT; + CJBig2_Image* GBREG; + FX_DWORD line1, line2; + uint8_t *pLine, *pLine1, *pLine2, cVal; + int32_t nStride, nStride2, k; + int32_t nLineBytes, nBitsLeft, cc; + LTP = 0; + JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); + if (GBREG->m_pData == NULL) { + delete GBREG; + m_pModule->JBig2_Error( + "Generic region decoding procedure: Create Image Failed with width = " + "%d, height = %d\n", + GBW, GBH); + return NULL; + } + pLine = GBREG->m_pData; + nStride = GBREG->m_nStride; + nStride2 = nStride << 1; + nLineBytes = ((GBW + 7) >> 3) - 1; + nBitsLeft = GBW - (nLineBytes << 3); + for (FX_DWORD h = 0; h < GBH; h++) { + if (TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x00e5]); + LTP = LTP ^ SLTP; + } + if (LTP == 1) { + GBREG->copyLine(h, h - 1); + } else { + if (h > 1) { + pLine1 = pLine - nStride2; + pLine2 = pLine - nStride; + line1 = (*pLine1++) << 1; + line2 = *pLine2++; + CONTEXT = (line1 & 0x0380) | ((line2 >> 3) & 0x007c); + for (cc = 0; cc < nLineBytes; cc++) { + line1 = (line1 << 8) | ((*pLine1++) << 1); + line2 = (line2 << 8) | (*pLine2++); + cVal = 0; + for (k = 7; k >= 0; k--) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << k; + CONTEXT = ((CONTEXT & 0x01bd) << 1) | bVal | + ((line1 >> k) & 0x0080) | ((line2 >> (k + 3)) & 0x0004); + } + pLine[cc] = cVal; } - if(LTP == 1) { - GBREG->copyLine(h, h - 1); - } else { - line1 = GBREG->getPixel(1, h - 2); - line1 |= GBREG->getPixel(0, h - 2) << 1; - line2 = GBREG->getPixel(1, h - 1); - line2 |= GBREG->getPixel(0, h - 1) << 1; - line3 = 0; - for(FX_DWORD w = 0; w < GBW; w++) { - if(USESKIP && SKIP->getPixel(w, h)) { - bVal = 0; - } else { - CONTEXT = line3; - CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 2; - CONTEXT |= line2 << 3; - CONTEXT |= line1 << 7; - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - } - if(bVal) { - GBREG->setPixel(w, h, bVal); - } - line1 = ((line1 << 1) | GBREG->getPixel(w + 2, h - 2)) & 0x07; - line2 = ((line2 << 1) | GBREG->getPixel(w + 2, h - 1)) & 0x0f; - line3 = ((line3 << 1) | bVal) & 0x03; - } + line1 <<= 8; + line2 <<= 8; + cVal = 0; + for (k = 0; k < nBitsLeft; k++) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << (7 - k); + CONTEXT = ((CONTEXT & 0x01bd) << 1) | bVal | + ((line1 >> (7 - k)) & 0x0080) | + ((line2 >> (10 - k)) & 0x0004); } + pLine[nLineBytes] = cVal; + } else { + pLine2 = pLine - nStride; + line2 = (h & 1) ? (*pLine2++) : 0; + CONTEXT = (line2 >> 3) & 0x007c; + for (cc = 0; cc < nLineBytes; cc++) { + if (h & 1) { + line2 = (line2 << 8) | (*pLine2++); + } + cVal = 0; + for (k = 7; k >= 0; k--) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << k; + CONTEXT = ((CONTEXT & 0x01bd) << 1) | bVal | + ((line2 >> (k + 3)) & 0x0004); + } + pLine[cc] = cVal; + } + line2 <<= 8; + cVal = 0; + for (k = 0; k < nBitsLeft; k++) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << (7 - k); + CONTEXT = ((CONTEXT & 0x01bd) << 1) | bVal | + (((line2 >> (10 - k))) & 0x0004); + } + pLine[nLineBytes] = cVal; + } } - return GBREG; + pLine += nStride; + } + return GBREG; } -CJBig2_Image *CJBig2_GRDProc::decode_Arith_Template3_opt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext) -{ - FX_BOOL LTP, SLTP, bVal; - FX_DWORD CONTEXT; - CJBig2_Image *GBREG; - FX_DWORD line1, line2; - LTP = 0; - JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); - GBREG->fill(0); - for(FX_DWORD h = 0; h < GBH; h++) { - if(TPGDON) { - SLTP = pArithDecoder->DECODE(&gbContext[0x0195]); - LTP = LTP ^ SLTP; - } - if(LTP == 1) { - GBREG->copyLine(h, h - 1); +CJBig2_Image* CJBig2_GRDProc::decode_Arith_Template2_unopt( + CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* gbContext) { + FX_BOOL LTP, SLTP, bVal; + FX_DWORD CONTEXT; + CJBig2_Image* GBREG; + FX_DWORD line1, line2, line3; + LTP = 0; + JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); + GBREG->fill(0); + for (FX_DWORD h = 0; h < GBH; h++) { + if (TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x00e5]); + LTP = LTP ^ SLTP; + } + if (LTP == 1) { + GBREG->copyLine(h, h - 1); + } else { + line1 = GBREG->getPixel(1, h - 2); + line1 |= GBREG->getPixel(0, h - 2) << 1; + line2 = GBREG->getPixel(1, h - 1); + line2 |= GBREG->getPixel(0, h - 1) << 1; + line3 = 0; + for (FX_DWORD w = 0; w < GBW; w++) { + if (USESKIP && SKIP->getPixel(w, h)) { + bVal = 0; } else { - line1 = GBREG->getPixel(2, h - 1); - line1 |= GBREG->getPixel(1, h - 1) << 1; - line1 |= GBREG->getPixel(0, h - 1) << 2; - line2 = 0; - for(FX_DWORD w = 0; w < GBW; w++) { - if(USESKIP && SKIP->getPixel(w, h)) { - bVal = 0; - } else { - CONTEXT = line2; - CONTEXT |= line1 << 4; - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - } - if(bVal) { - GBREG->setPixel(w, h, bVal); - } - line1 = ((line1 << 1) | GBREG->getPixel(w + 3, h - 1)) & 0x3f; - line2 = ((line2 << 1) | bVal) & 0x0f; - } + CONTEXT = line3; + CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 2; + CONTEXT |= line2 << 3; + CONTEXT |= line1 << 7; + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); } + if (bVal) { + GBREG->setPixel(w, h, bVal); + } + line1 = ((line1 << 1) | GBREG->getPixel(w + 2, h - 2)) & 0x07; + line2 = ((line2 << 1) | GBREG->getPixel(w + 2, h - 1)) & 0x0f; + line3 = ((line3 << 1) | bVal) & 0x03; + } } - return GBREG; + } + return GBREG; } -CJBig2_Image *CJBig2_GRDProc::decode_Arith_Template3_opt2(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext) -{ - FX_BOOL LTP, SLTP, bVal; - FX_DWORD CONTEXT; - CJBig2_Image *GBREG; - FX_DWORD line1; - uint8_t *pLine, cVal; - intptr_t nStride; - int32_t nBits, k; - LTP = 0; - JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); - if (GBREG->m_pData == NULL) { - delete GBREG; - m_pModule->JBig2_Error("Generic region decoding procedure: Create Image Failed with width = %d, height = %d\n", GBW, GBH); - return NULL; +CJBig2_Image* CJBig2_GRDProc::decode_Arith_Template3_opt( + CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* gbContext) { + FX_BOOL LTP, SLTP, bVal; + FX_DWORD CONTEXT; + CJBig2_Image* GBREG; + FX_DWORD line1, line2; + LTP = 0; + JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); + GBREG->fill(0); + for (FX_DWORD h = 0; h < GBH; h++) { + if (TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x0195]); + LTP = LTP ^ SLTP; } - pLine = GBREG->m_pData; - nStride = GBREG->m_nStride; - for(FX_DWORD h = 0; h < GBH; h++) { - if(TPGDON) { - SLTP = pArithDecoder->DECODE(&gbContext[0x0195]); - LTP = LTP ^ SLTP; - } - if(LTP == 1) { - GBREG->copyLine(h, h - 1); + if (LTP == 1) { + GBREG->copyLine(h, h - 1); + } else { + line1 = GBREG->getPixel(2, h - 1); + line1 |= GBREG->getPixel(1, h - 1) << 1; + line1 |= GBREG->getPixel(0, h - 1) << 2; + line2 = 0; + for (FX_DWORD w = 0; w < GBW; w++) { + if (USESKIP && SKIP->getPixel(w, h)) { + bVal = 0; } else { - line1 = (h > 0) ? pLine[-nStride] : 0; - CONTEXT = (line1 >> 1) & 0x03f0; - for(FX_DWORD w = 0; w < GBW; w += 8) { - if(w + 8 < GBW) { - nBits = 8; - if(h > 0) { - line1 = (line1 << 8) | (pLine[-nStride + (w >> 3) + 1]); - } - } else { - nBits = GBW - w; - if(h > 0) { - line1 <<= 8; - } - } - cVal = 0; - for(k = 0; k < nBits; k++) { - if(USESKIP && SKIP->getPixel(w, h)) { - bVal = 0; - } else { - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - } - cVal |= bVal << (7 - k); - CONTEXT = ((CONTEXT & 0x01f7) << 1) | bVal - | ((line1 >> (8 - k)) & 0x0010); - } - pLine[w >> 3] = cVal; - } + CONTEXT = line2; + CONTEXT |= line1 << 4; + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); } - pLine += nStride; + if (bVal) { + GBREG->setPixel(w, h, bVal); + } + line1 = ((line1 << 1) | GBREG->getPixel(w + 3, h - 1)) & 0x3f; + line2 = ((line2 << 1) | bVal) & 0x0f; + } } - return GBREG; + } + return GBREG; } -CJBig2_Image *CJBig2_GRDProc::decode_Arith_Template3_opt3(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext) -{ - FX_BOOL LTP, SLTP, bVal; - FX_DWORD CONTEXT; - CJBig2_Image *GBREG; - FX_DWORD line1; - uint8_t *pLine, *pLine1, cVal; - int32_t nStride, k; - int32_t nLineBytes, nBitsLeft, cc; - LTP = 0; - JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); - if (GBREG->m_pData == NULL) { - delete GBREG; - m_pModule->JBig2_Error("Generic region decoding procedure: Create Image Failed with width = %d, height = %d\n", GBW, GBH); - return NULL; +CJBig2_Image* CJBig2_GRDProc::decode_Arith_Template3_opt2( + CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* gbContext) { + FX_BOOL LTP, SLTP, bVal; + FX_DWORD CONTEXT; + CJBig2_Image* GBREG; + FX_DWORD line1; + uint8_t *pLine, cVal; + intptr_t nStride; + int32_t nBits, k; + LTP = 0; + JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); + if (GBREG->m_pData == NULL) { + delete GBREG; + m_pModule->JBig2_Error( + "Generic region decoding procedure: Create Image Failed with width = " + "%d, height = %d\n", + GBW, GBH); + return NULL; + } + pLine = GBREG->m_pData; + nStride = GBREG->m_nStride; + for (FX_DWORD h = 0; h < GBH; h++) { + if (TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x0195]); + LTP = LTP ^ SLTP; } - pLine = GBREG->m_pData; - nStride = GBREG->m_nStride; - nLineBytes = ((GBW + 7) >> 3) - 1; - nBitsLeft = GBW - (nLineBytes << 3); - for(FX_DWORD h = 0; h < GBH; h++) { - if(TPGDON) { - SLTP = pArithDecoder->DECODE(&gbContext[0x0195]); - LTP = LTP ^ SLTP; - } - if(LTP == 1) { - GBREG->copyLine(h, h - 1); + if (LTP == 1) { + GBREG->copyLine(h, h - 1); + } else { + line1 = (h > 0) ? pLine[-nStride] : 0; + CONTEXT = (line1 >> 1) & 0x03f0; + for (FX_DWORD w = 0; w < GBW; w += 8) { + if (w + 8 < GBW) { + nBits = 8; + if (h > 0) { + line1 = (line1 << 8) | (pLine[-nStride + (w >> 3) + 1]); + } } else { - if(h > 0) { - pLine1 = pLine - nStride; - line1 = *pLine1++; - CONTEXT = (line1 >> 1) & 0x03f0; - for(cc = 0; cc < nLineBytes; cc++) { - line1 = (line1 << 8) | (*pLine1++); - cVal = 0; - for(k = 7; k >= 0; k--) { - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - cVal |= bVal << k; - CONTEXT = ((CONTEXT & 0x01f7) << 1) | bVal - | ((line1 >> (k + 1)) & 0x0010); - } - pLine[cc] = cVal; - } - line1 <<= 8; - cVal = 0; - for(k = 0; k < nBitsLeft; k++) { - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - cVal |= bVal << (7 - k); - CONTEXT = ((CONTEXT & 0x01f7) << 1) | bVal - | ((line1 >> (8 - k)) & 0x0010); - } - pLine[nLineBytes] = cVal; - } else { - CONTEXT = 0; - for(cc = 0; cc < nLineBytes; cc++) { - cVal = 0; - for(k = 7; k >= 0; k--) { - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - cVal |= bVal << k; - CONTEXT = ((CONTEXT & 0x01f7) << 1) | bVal; - } - pLine[cc] = cVal; - } - cVal = 0; - for(k = 0; k < nBitsLeft; k++) { - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - cVal |= bVal << (7 - k); - CONTEXT = ((CONTEXT & 0x01f7) << 1) | bVal; - } - pLine[nLineBytes] = cVal; - } + nBits = GBW - w; + if (h > 0) { + line1 <<= 8; + } } - pLine += nStride; + cVal = 0; + for (k = 0; k < nBits; k++) { + if (USESKIP && SKIP->getPixel(w, h)) { + bVal = 0; + } else { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + } + cVal |= bVal << (7 - k); + CONTEXT = + ((CONTEXT & 0x01f7) << 1) | bVal | ((line1 >> (8 - k)) & 0x0010); + } + pLine[w >> 3] = cVal; + } } - return GBREG; + pLine += nStride; + } + return GBREG; } -CJBig2_Image *CJBig2_GRDProc::decode_Arith_Template3_unopt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext) -{ - FX_BOOL LTP, SLTP, bVal; - FX_DWORD CONTEXT; - CJBig2_Image *GBREG; - FX_DWORD line1, line2; - LTP = 0; - JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); - GBREG->fill(0); - for(FX_DWORD h = 0; h < GBH; h++) { - if(TPGDON) { - SLTP = pArithDecoder->DECODE(&gbContext[0x0195]); - LTP = LTP ^ SLTP; +CJBig2_Image* CJBig2_GRDProc::decode_Arith_Template3_opt3( + CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* gbContext) { + FX_BOOL LTP, SLTP, bVal; + FX_DWORD CONTEXT; + CJBig2_Image* GBREG; + FX_DWORD line1; + uint8_t *pLine, *pLine1, cVal; + int32_t nStride, k; + int32_t nLineBytes, nBitsLeft, cc; + LTP = 0; + JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); + if (GBREG->m_pData == NULL) { + delete GBREG; + m_pModule->JBig2_Error( + "Generic region decoding procedure: Create Image Failed with width = " + "%d, height = %d\n", + GBW, GBH); + return NULL; + } + pLine = GBREG->m_pData; + nStride = GBREG->m_nStride; + nLineBytes = ((GBW + 7) >> 3) - 1; + nBitsLeft = GBW - (nLineBytes << 3); + for (FX_DWORD h = 0; h < GBH; h++) { + if (TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x0195]); + LTP = LTP ^ SLTP; + } + if (LTP == 1) { + GBREG->copyLine(h, h - 1); + } else { + if (h > 0) { + pLine1 = pLine - nStride; + line1 = *pLine1++; + CONTEXT = (line1 >> 1) & 0x03f0; + for (cc = 0; cc < nLineBytes; cc++) { + line1 = (line1 << 8) | (*pLine1++); + cVal = 0; + for (k = 7; k >= 0; k--) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << k; + CONTEXT = ((CONTEXT & 0x01f7) << 1) | bVal | + ((line1 >> (k + 1)) & 0x0010); + } + pLine[cc] = cVal; } - if(LTP == 1) { - GBREG->copyLine(h, h - 1); - } else { - line1 = GBREG->getPixel(1, h - 1); - line1 |= GBREG->getPixel(0, h - 1) << 1; - line2 = 0; - for(FX_DWORD w = 0; w < GBW; w++) { - if(USESKIP && SKIP->getPixel(w, h)) { - bVal = 0; - } else { - CONTEXT = line2; - CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 4; - CONTEXT |= line1 << 5; - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - } - if(bVal) { - GBREG->setPixel(w, h, bVal); - } - line1 = ((line1 << 1) | GBREG->getPixel(w + 2, h - 1)) & 0x1f; - line2 = ((line2 << 1) | bVal) & 0x0f; - } + line1 <<= 8; + cVal = 0; + for (k = 0; k < nBitsLeft; k++) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << (7 - k); + CONTEXT = + ((CONTEXT & 0x01f7) << 1) | bVal | ((line1 >> (8 - k)) & 0x0010); + } + pLine[nLineBytes] = cVal; + } else { + CONTEXT = 0; + for (cc = 0; cc < nLineBytes; cc++) { + cVal = 0; + for (k = 7; k >= 0; k--) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << k; + CONTEXT = ((CONTEXT & 0x01f7) << 1) | bVal; + } + pLine[cc] = cVal; + } + cVal = 0; + for (k = 0; k < nBitsLeft; k++) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << (7 - k); + CONTEXT = ((CONTEXT & 0x01f7) << 1) | bVal; } + pLine[nLineBytes] = cVal; + } } - return GBREG; + pLine += nStride; + } + return GBREG; } -CJBig2_Image *CJBig2_GRDProc::decode_Arith_V2(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext) -{ - FX_BOOL LTP, SLTP, bVal; - FX_DWORD CONTEXT; - CJBig2_Image *GBREG; - FX_DWORD line1, line2, line3; - LTP = 0; - JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); - GBREG->fill(0); - for(FX_DWORD h = 0; h < GBH; h++) { - if(TPGDON) { - switch(GBTEMPLATE) { - case 0: - CONTEXT = 0x9b25; - break; - case 1: - CONTEXT = 0x0795; - break; - case 2: - CONTEXT = 0x00e5; - break; - case 3: - CONTEXT = 0x0195; - break; - } - SLTP = pArithDecoder->DECODE(&gbContext[CONTEXT]); - LTP = LTP ^ SLTP; - } - if(LTP == 1) { - GBREG->copyLine(h, h - 1); +CJBig2_Image* CJBig2_GRDProc::decode_Arith_Template3_unopt( + CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* gbContext) { + FX_BOOL LTP, SLTP, bVal; + FX_DWORD CONTEXT; + CJBig2_Image* GBREG; + FX_DWORD line1, line2; + LTP = 0; + JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); + GBREG->fill(0); + for (FX_DWORD h = 0; h < GBH; h++) { + if (TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x0195]); + LTP = LTP ^ SLTP; + } + if (LTP == 1) { + GBREG->copyLine(h, h - 1); + } else { + line1 = GBREG->getPixel(1, h - 1); + line1 |= GBREG->getPixel(0, h - 1) << 1; + line2 = 0; + for (FX_DWORD w = 0; w < GBW; w++) { + if (USESKIP && SKIP->getPixel(w, h)) { + bVal = 0; } else { - switch(GBTEMPLATE) { - case 0: { - line1 = GBREG->getPixel(1, h - 2); - line1 |= GBREG->getPixel(0, h - 2) << 1; - line2 = GBREG->getPixel(2, h - 1); - line2 |= GBREG->getPixel(1, h - 1) << 1; - line2 |= GBREG->getPixel(0, h - 1) << 2; - line3 = 0; - for(FX_DWORD w = 0; w < GBW; w++) { - if(USESKIP && SKIP->getPixel(w, h)) { - bVal = 0; - } else { - CONTEXT = line3; - CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 4; - CONTEXT |= line2 << 5; - CONTEXT |= GBREG->getPixel(w + GBAT[2], h + GBAT[3]) << 10; - CONTEXT |= GBREG->getPixel(w + GBAT[4], h + GBAT[5]) << 11; - CONTEXT |= line1 << 12; - CONTEXT |= GBREG->getPixel(w + GBAT[6], h + GBAT[7]) << 15; - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - } - if(bVal) { - GBREG->setPixel(w, h, bVal); - } - line1 = ((line1 << 1) | GBREG->getPixel(w + 2, h - 2)) & 0x07; - line2 = ((line2 << 1) | GBREG->getPixel(w + 3, h - 1)) & 0x1f; - line3 = ((line3 << 1) | bVal) & 0x0f; - } - } - break; - case 1: { - line1 = GBREG->getPixel(2, h - 2); - line1 |= GBREG->getPixel(1, h - 2) << 1; - line1 |= GBREG->getPixel(0, h - 2) << 2; - line2 = GBREG->getPixel(2, h - 1); - line2 |= GBREG->getPixel(1, h - 1) << 1; - line2 |= GBREG->getPixel(0, h - 1) << 2; - line3 = 0; - for(FX_DWORD w = 0; w < GBW; w++) { - if(USESKIP && SKIP->getPixel(w, h)) { - bVal = 0; - } else { - CONTEXT = line3; - CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 3; - CONTEXT |= line2 << 4; - CONTEXT |= line1 << 9; - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - } - if(bVal) { - GBREG->setPixel(w, h, bVal); - } - line1 = ((line1 << 1) | GBREG->getPixel(w + 3, h - 2)) & 0x0f; - line2 = ((line2 << 1) | GBREG->getPixel(w + 3, h - 1)) & 0x1f; - line3 = ((line3 << 1) | bVal) & 0x07; - } - } - break; - case 2: { - line1 = GBREG->getPixel(1, h - 2); - line1 |= GBREG->getPixel(0, h - 2) << 1; - line2 = GBREG->getPixel(1, h - 1); - line2 |= GBREG->getPixel(0, h - 1) << 1; - line3 = 0; - for(FX_DWORD w = 0; w < GBW; w++) { - if(USESKIP && SKIP->getPixel(w, h)) { - bVal = 0; - } else { - CONTEXT = line3; - CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 2; - CONTEXT |= line2 << 3; - CONTEXT |= line1 << 7; - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - } - if(bVal) { - GBREG->setPixel(w, h, bVal); - } - line1 = ((line1 << 1) | GBREG->getPixel(w + 2, h - 2)) & 0x07; - line2 = ((line2 << 1) | GBREG->getPixel(w + 2, h - 1)) & 0x0f; - line3 = ((line3 << 1) | bVal) & 0x03; - } - } - break; - case 3: { - line1 = GBREG->getPixel(1, h - 1); - line1 |= GBREG->getPixel(0, h - 1) << 1; - line2 = 0; - for(FX_DWORD w = 0; w < GBW; w++) { - if(USESKIP && SKIP->getPixel(w, h)) { - bVal = 0; - } else { - CONTEXT = line2; - CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 4; - CONTEXT |= line1 << 5; - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - } - if(bVal) { - GBREG->setPixel(w, h, bVal); - } - line1 = ((line1 << 1) | GBREG->getPixel(w + 2, h - 1)) & 0x1f; - line2 = ((line2 << 1) | bVal) & 0x0f; - } - } - break; - } + CONTEXT = line2; + CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 4; + CONTEXT |= line1 << 5; + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + } + if (bVal) { + GBREG->setPixel(w, h, bVal); } + line1 = ((line1 << 1) | GBREG->getPixel(w + 2, h - 1)) & 0x1f; + line2 = ((line2 << 1) | bVal) & 0x0f; + } } - return GBREG; + } + return GBREG; } -CJBig2_Image *CJBig2_GRDProc::decode_Arith_V1(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext) -{ - FX_BOOL LTP, SLTP, bVal; - FX_DWORD CONTEXT = 0; - CJBig2_Image *GBREG; - LTP = 0; - JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); - GBREG->fill(0); - for(FX_DWORD h = 0; h < GBH; h++) { - if(TPGDON) { - switch(GBTEMPLATE) { - case 0: - CONTEXT = 0x9b25; - break; - case 1: - CONTEXT = 0x0795; - break; - case 2: - CONTEXT = 0x00e5; - break; - case 3: - CONTEXT = 0x0195; - break; +CJBig2_Image* CJBig2_GRDProc::decode_Arith_V2( + CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* gbContext) { + FX_BOOL LTP, SLTP, bVal; + FX_DWORD CONTEXT; + CJBig2_Image* GBREG; + FX_DWORD line1, line2, line3; + LTP = 0; + JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); + GBREG->fill(0); + for (FX_DWORD h = 0; h < GBH; h++) { + if (TPGDON) { + switch (GBTEMPLATE) { + case 0: + CONTEXT = 0x9b25; + break; + case 1: + CONTEXT = 0x0795; + break; + case 2: + CONTEXT = 0x00e5; + break; + case 3: + CONTEXT = 0x0195; + break; + } + SLTP = pArithDecoder->DECODE(&gbContext[CONTEXT]); + LTP = LTP ^ SLTP; + } + if (LTP == 1) { + GBREG->copyLine(h, h - 1); + } else { + switch (GBTEMPLATE) { + case 0: { + line1 = GBREG->getPixel(1, h - 2); + line1 |= GBREG->getPixel(0, h - 2) << 1; + line2 = GBREG->getPixel(2, h - 1); + line2 |= GBREG->getPixel(1, h - 1) << 1; + line2 |= GBREG->getPixel(0, h - 1) << 2; + line3 = 0; + for (FX_DWORD w = 0; w < GBW; w++) { + if (USESKIP && SKIP->getPixel(w, h)) { + bVal = 0; + } else { + CONTEXT = line3; + CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 4; + CONTEXT |= line2 << 5; + CONTEXT |= GBREG->getPixel(w + GBAT[2], h + GBAT[3]) << 10; + CONTEXT |= GBREG->getPixel(w + GBAT[4], h + GBAT[5]) << 11; + CONTEXT |= line1 << 12; + CONTEXT |= GBREG->getPixel(w + GBAT[6], h + GBAT[7]) << 15; + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); } - SLTP = pArithDecoder->DECODE(&gbContext[CONTEXT]); - LTP = LTP ^ SLTP; - } - if(LTP == 1) { - for(FX_DWORD w = 0; w < GBW; w++) { - GBREG->setPixel(w, h, GBREG->getPixel(w, h - 1)); + if (bVal) { + GBREG->setPixel(w, h, bVal); } - } else { - for(FX_DWORD w = 0; w < GBW; w++) { - if(USESKIP && SKIP->getPixel(w, h)) { - GBREG->setPixel(w, h, 0); - } else { - CONTEXT = 0; - switch(GBTEMPLATE) { - case 0: - CONTEXT |= GBREG->getPixel(w - 1, h); - CONTEXT |= GBREG->getPixel(w - 2, h) << 1; - CONTEXT |= GBREG->getPixel(w - 3, h) << 2; - CONTEXT |= GBREG->getPixel(w - 4, h) << 3; - CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 4; - CONTEXT |= GBREG->getPixel(w + 2, h - 1) << 5; - CONTEXT |= GBREG->getPixel(w + 1, h - 1) << 6; - CONTEXT |= GBREG->getPixel(w, h - 1) << 7; - CONTEXT |= GBREG->getPixel(w - 1, h - 1) << 8; - CONTEXT |= GBREG->getPixel(w - 2, h - 1) << 9; - CONTEXT |= GBREG->getPixel(w + GBAT[2], h + GBAT[3]) << 10; - CONTEXT |= GBREG->getPixel(w + GBAT[4], h + GBAT[5]) << 11; - CONTEXT |= GBREG->getPixel(w + 1, h - 2) << 12; - CONTEXT |= GBREG->getPixel(w, h - 2) << 13; - CONTEXT |= GBREG->getPixel(w - 1, h - 2) << 14; - CONTEXT |= GBREG->getPixel(w + GBAT[6], h + GBAT[7]) << 15; - break; - case 1: - CONTEXT |= GBREG->getPixel(w - 1, h); - CONTEXT |= GBREG->getPixel(w - 2, h) << 1; - CONTEXT |= GBREG->getPixel(w - 3, h) << 2; - CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 3; - CONTEXT |= GBREG->getPixel(w + 2, h - 1) << 4; - CONTEXT |= GBREG->getPixel(w + 1, h - 1) << 5; - CONTEXT |= GBREG->getPixel(w, h - 1) << 6; - CONTEXT |= GBREG->getPixel(w - 1, h - 1) << 7; - CONTEXT |= GBREG->getPixel(w - 2, h - 1) << 8; - CONTEXT |= GBREG->getPixel(w + 2, h - 2) << 9; - CONTEXT |= GBREG->getPixel(w + 1, h - 2) << 10; - CONTEXT |= GBREG->getPixel(w, h - 2) << 11; - CONTEXT |= GBREG->getPixel(w - 1, h - 2) << 12; - break; - case 2: - CONTEXT |= GBREG->getPixel(w - 1, h); - CONTEXT |= GBREG->getPixel(w - 2, h) << 1; - CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 2; - CONTEXT |= GBREG->getPixel(w + 1, h - 1) << 3; - CONTEXT |= GBREG->getPixel(w, h - 1) << 4; - CONTEXT |= GBREG->getPixel(w - 1, h - 1) << 5; - CONTEXT |= GBREG->getPixel(w - 2, h - 1) << 6; - CONTEXT |= GBREG->getPixel(w + 1, h - 2) << 7; - CONTEXT |= GBREG->getPixel(w, h - 2) << 8; - CONTEXT |= GBREG->getPixel(w - 1, h - 2) << 9; - break; - case 3: - CONTEXT |= GBREG->getPixel(w - 1, h); - CONTEXT |= GBREG->getPixel(w - 2, h) << 1; - CONTEXT |= GBREG->getPixel(w - 3, h) << 2; - CONTEXT |= GBREG->getPixel(w - 4, h) << 3; - CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 4; - CONTEXT |= GBREG->getPixel(w + 1, h - 1) << 5; - CONTEXT |= GBREG->getPixel(w, h - 1) << 6; - CONTEXT |= GBREG->getPixel(w - 1, h - 1) << 7; - CONTEXT |= GBREG->getPixel(w - 2, h - 1) << 8; - CONTEXT |= GBREG->getPixel(w - 3, h - 1) << 9; - break; - } - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - GBREG->setPixel(w, h, bVal); - } + line1 = ((line1 << 1) | GBREG->getPixel(w + 2, h - 2)) & 0x07; + line2 = ((line2 << 1) | GBREG->getPixel(w + 3, h - 1)) & 0x1f; + line3 = ((line3 << 1) | bVal) & 0x0f; + } + } break; + case 1: { + line1 = GBREG->getPixel(2, h - 2); + line1 |= GBREG->getPixel(1, h - 2) << 1; + line1 |= GBREG->getPixel(0, h - 2) << 2; + line2 = GBREG->getPixel(2, h - 1); + line2 |= GBREG->getPixel(1, h - 1) << 1; + line2 |= GBREG->getPixel(0, h - 1) << 2; + line3 = 0; + for (FX_DWORD w = 0; w < GBW; w++) { + if (USESKIP && SKIP->getPixel(w, h)) { + bVal = 0; + } else { + CONTEXT = line3; + CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 3; + CONTEXT |= line2 << 4; + CONTEXT |= line1 << 9; + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); } - } + if (bVal) { + GBREG->setPixel(w, h, bVal); + } + line1 = ((line1 << 1) | GBREG->getPixel(w + 3, h - 2)) & 0x0f; + line2 = ((line2 << 1) | GBREG->getPixel(w + 3, h - 1)) & 0x1f; + line3 = ((line3 << 1) | bVal) & 0x07; + } + } break; + case 2: { + line1 = GBREG->getPixel(1, h - 2); + line1 |= GBREG->getPixel(0, h - 2) << 1; + line2 = GBREG->getPixel(1, h - 1); + line2 |= GBREG->getPixel(0, h - 1) << 1; + line3 = 0; + for (FX_DWORD w = 0; w < GBW; w++) { + if (USESKIP && SKIP->getPixel(w, h)) { + bVal = 0; + } else { + CONTEXT = line3; + CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 2; + CONTEXT |= line2 << 3; + CONTEXT |= line1 << 7; + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + } + if (bVal) { + GBREG->setPixel(w, h, bVal); + } + line1 = ((line1 << 1) | GBREG->getPixel(w + 2, h - 2)) & 0x07; + line2 = ((line2 << 1) | GBREG->getPixel(w + 2, h - 1)) & 0x0f; + line3 = ((line3 << 1) | bVal) & 0x03; + } + } break; + case 3: { + line1 = GBREG->getPixel(1, h - 1); + line1 |= GBREG->getPixel(0, h - 1) << 1; + line2 = 0; + for (FX_DWORD w = 0; w < GBW; w++) { + if (USESKIP && SKIP->getPixel(w, h)) { + bVal = 0; + } else { + CONTEXT = line2; + CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 4; + CONTEXT |= line1 << 5; + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + } + if (bVal) { + GBREG->setPixel(w, h, bVal); + } + line1 = ((line1 << 1) | GBREG->getPixel(w + 2, h - 1)) & 0x1f; + line2 = ((line2 << 1) | bVal) & 0x0f; + } + } break; + } } - return GBREG; + } + return GBREG; } -CJBig2_Image *CJBig2_GRDProc::decode_MMR(CJBig2_BitStream *pStream) -{ - int bitpos, i; - CJBig2_Image *pImage; - JBIG2_ALLOC(pImage, CJBig2_Image(GBW, GBH)); - if (pImage->m_pData == NULL) { - delete pImage; - m_pModule->JBig2_Error("Generic region decoding procedure: Create Image Failed with width = %d, height = %d\n", GBW, GBH); - return NULL; +CJBig2_Image* CJBig2_GRDProc::decode_Arith_V1( + CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* gbContext) { + FX_BOOL LTP, SLTP, bVal; + FX_DWORD CONTEXT = 0; + CJBig2_Image* GBREG; + LTP = 0; + JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); + GBREG->fill(0); + for (FX_DWORD h = 0; h < GBH; h++) { + if (TPGDON) { + switch (GBTEMPLATE) { + case 0: + CONTEXT = 0x9b25; + break; + case 1: + CONTEXT = 0x0795; + break; + case 2: + CONTEXT = 0x00e5; + break; + case 3: + CONTEXT = 0x0195; + break; + } + SLTP = pArithDecoder->DECODE(&gbContext[CONTEXT]); + LTP = LTP ^ SLTP; } - bitpos = (int)pStream->getBitPos(); - _FaxG4Decode(m_pModule, pStream->getBuf(), pStream->getLength(), &bitpos, pImage->m_pData, GBW, GBH, pImage->m_nStride); - pStream->setBitPos(bitpos); - for(i = 0; (FX_DWORD)i < pImage->m_nStride * GBH; i++) { - pImage->m_pData[i] = ~pImage->m_pData[i]; + if (LTP == 1) { + for (FX_DWORD w = 0; w < GBW; w++) { + GBREG->setPixel(w, h, GBREG->getPixel(w, h - 1)); + } + } else { + for (FX_DWORD w = 0; w < GBW; w++) { + if (USESKIP && SKIP->getPixel(w, h)) { + GBREG->setPixel(w, h, 0); + } else { + CONTEXT = 0; + switch (GBTEMPLATE) { + case 0: + CONTEXT |= GBREG->getPixel(w - 1, h); + CONTEXT |= GBREG->getPixel(w - 2, h) << 1; + CONTEXT |= GBREG->getPixel(w - 3, h) << 2; + CONTEXT |= GBREG->getPixel(w - 4, h) << 3; + CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 4; + CONTEXT |= GBREG->getPixel(w + 2, h - 1) << 5; + CONTEXT |= GBREG->getPixel(w + 1, h - 1) << 6; + CONTEXT |= GBREG->getPixel(w, h - 1) << 7; + CONTEXT |= GBREG->getPixel(w - 1, h - 1) << 8; + CONTEXT |= GBREG->getPixel(w - 2, h - 1) << 9; + CONTEXT |= GBREG->getPixel(w + GBAT[2], h + GBAT[3]) << 10; + CONTEXT |= GBREG->getPixel(w + GBAT[4], h + GBAT[5]) << 11; + CONTEXT |= GBREG->getPixel(w + 1, h - 2) << 12; + CONTEXT |= GBREG->getPixel(w, h - 2) << 13; + CONTEXT |= GBREG->getPixel(w - 1, h - 2) << 14; + CONTEXT |= GBREG->getPixel(w + GBAT[6], h + GBAT[7]) << 15; + break; + case 1: + CONTEXT |= GBREG->getPixel(w - 1, h); + CONTEXT |= GBREG->getPixel(w - 2, h) << 1; + CONTEXT |= GBREG->getPixel(w - 3, h) << 2; + CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 3; + CONTEXT |= GBREG->getPixel(w + 2, h - 1) << 4; + CONTEXT |= GBREG->getPixel(w + 1, h - 1) << 5; + CONTEXT |= GBREG->getPixel(w, h - 1) << 6; + CONTEXT |= GBREG->getPixel(w - 1, h - 1) << 7; + CONTEXT |= GBREG->getPixel(w - 2, h - 1) << 8; + CONTEXT |= GBREG->getPixel(w + 2, h - 2) << 9; + CONTEXT |= GBREG->getPixel(w + 1, h - 2) << 10; + CONTEXT |= GBREG->getPixel(w, h - 2) << 11; + CONTEXT |= GBREG->getPixel(w - 1, h - 2) << 12; + break; + case 2: + CONTEXT |= GBREG->getPixel(w - 1, h); + CONTEXT |= GBREG->getPixel(w - 2, h) << 1; + CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 2; + CONTEXT |= GBREG->getPixel(w + 1, h - 1) << 3; + CONTEXT |= GBREG->getPixel(w, h - 1) << 4; + CONTEXT |= GBREG->getPixel(w - 1, h - 1) << 5; + CONTEXT |= GBREG->getPixel(w - 2, h - 1) << 6; + CONTEXT |= GBREG->getPixel(w + 1, h - 2) << 7; + CONTEXT |= GBREG->getPixel(w, h - 2) << 8; + CONTEXT |= GBREG->getPixel(w - 1, h - 2) << 9; + break; + case 3: + CONTEXT |= GBREG->getPixel(w - 1, h); + CONTEXT |= GBREG->getPixel(w - 2, h) << 1; + CONTEXT |= GBREG->getPixel(w - 3, h) << 2; + CONTEXT |= GBREG->getPixel(w - 4, h) << 3; + CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 4; + CONTEXT |= GBREG->getPixel(w + 1, h - 1) << 5; + CONTEXT |= GBREG->getPixel(w, h - 1) << 6; + CONTEXT |= GBREG->getPixel(w - 1, h - 1) << 7; + CONTEXT |= GBREG->getPixel(w - 2, h - 1) << 8; + CONTEXT |= GBREG->getPixel(w - 3, h - 1) << 9; + break; + } + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + GBREG->setPixel(w, h, bVal); + } + } } + } + return GBREG; +} +CJBig2_Image* CJBig2_GRDProc::decode_MMR(CJBig2_BitStream* pStream) { + int bitpos, i; + CJBig2_Image* pImage; + JBIG2_ALLOC(pImage, CJBig2_Image(GBW, GBH)); + if (pImage->m_pData == NULL) { + delete pImage; + m_pModule->JBig2_Error( + "Generic region decoding procedure: Create Image Failed with width = " + "%d, height = %d\n", + GBW, GBH); + return NULL; + } + bitpos = (int)pStream->getBitPos(); + _FaxG4Decode(m_pModule, pStream->getBuf(), pStream->getLength(), &bitpos, + pImage->m_pData, GBW, GBH, pImage->m_nStride); + pStream->setBitPos(bitpos); + for (i = 0; (FX_DWORD)i < pImage->m_nStride * GBH; i++) { + pImage->m_pData[i] = ~pImage->m_pData[i]; + } + return pImage; +} +CJBig2_Image* CJBig2_GRRDProc::decode(CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* grContext) { + if (GRW == 0 || GRH == 0) { + CJBig2_Image* pImage; + JBIG2_ALLOC(pImage, CJBig2_Image(GRW, GRH)); return pImage; + } + if (GRTEMPLATE == 0) { + if ((GRAT[0] == (signed char)-1) && (GRAT[1] == (signed char)-1) && + (GRAT[2] == (signed char)-1) && (GRAT[3] == (signed char)-1) && + (GRREFERENCEDX == 0) && (GRW == (FX_DWORD)GRREFERENCE->m_nWidth)) { + return decode_Template0_opt(pArithDecoder, grContext); + } else { + return decode_Template0_unopt(pArithDecoder, grContext); + } + } else { + if ((GRREFERENCEDX == 0) && (GRW == (FX_DWORD)GRREFERENCE->m_nWidth)) { + return decode_Template1_opt(pArithDecoder, grContext); + } else { + return decode_Template1_unopt(pArithDecoder, grContext); + } + } } -CJBig2_Image *CJBig2_GRRDProc::decode(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *grContext) -{ - if (GRW == 0 || GRH == 0) { - CJBig2_Image* pImage; - JBIG2_ALLOC(pImage, CJBig2_Image(GRW, GRH)); - return pImage; +CJBig2_Image* CJBig2_GRRDProc::decode_Template0_unopt( + CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* grContext) { + FX_BOOL LTP, SLTP, bVal; + FX_DWORD CONTEXT; + CJBig2_Image* GRREG; + FX_DWORD line1, line2, line3, line4, line5; + LTP = 0; + JBIG2_ALLOC(GRREG, CJBig2_Image(GRW, GRH)); + GRREG->fill(0); + for (FX_DWORD h = 0; h < GRH; h++) { + if (TPGRON) { + SLTP = pArithDecoder->DECODE(&grContext[0x0010]); + LTP = LTP ^ SLTP; } - if(GRTEMPLATE == 0) { - if((GRAT[0] == (signed char) - 1) && (GRAT[1] == (signed char) - 1) - && (GRAT[2] == (signed char) - 1) && (GRAT[3] == (signed char) - 1) - && (GRREFERENCEDX == 0) && (GRW == (FX_DWORD)GRREFERENCE->m_nWidth)) { - return decode_Template0_opt(pArithDecoder, grContext); - } else { - return decode_Template0_unopt(pArithDecoder, grContext); - } + if (LTP == 0) { + line1 = GRREG->getPixel(1, h - 1); + line1 |= GRREG->getPixel(0, h - 1) << 1; + line2 = 0; + line3 = GRREFERENCE->getPixel(-GRREFERENCEDX + 1, h - GRREFERENCEDY - 1); + line3 |= GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY - 1) + << 1; + line4 = GRREFERENCE->getPixel(-GRREFERENCEDX + 1, h - GRREFERENCEDY); + line4 |= GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY) << 1; + line4 |= GRREFERENCE->getPixel(-GRREFERENCEDX - 1, h - GRREFERENCEDY) + << 2; + line5 = GRREFERENCE->getPixel(-GRREFERENCEDX + 1, h - GRREFERENCEDY + 1); + line5 |= GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY + 1) + << 1; + line5 |= GRREFERENCE->getPixel(-GRREFERENCEDX - 1, h - GRREFERENCEDY + 1) + << 2; + for (FX_DWORD w = 0; w < GRW; w++) { + CONTEXT = line5; + CONTEXT |= line4 << 3; + CONTEXT |= line3 << 6; + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + GRAT[2], + h - GRREFERENCEDY + GRAT[3]) + << 8; + CONTEXT |= line2 << 9; + CONTEXT |= line1 << 10; + CONTEXT |= GRREG->getPixel(w + GRAT[0], h + GRAT[1]) << 12; + bVal = pArithDecoder->DECODE(&grContext[CONTEXT]); + GRREG->setPixel(w, h, bVal); + line1 = ((line1 << 1) | GRREG->getPixel(w + 2, h - 1)) & 0x03; + line2 = ((line2 << 1) | bVal) & 0x01; + line3 = ((line3 << 1) | + GRREFERENCE->getPixel(w - GRREFERENCEDX + 2, + h - GRREFERENCEDY - 1)) & + 0x03; + line4 = + ((line4 << 1) | + GRREFERENCE->getPixel(w - GRREFERENCEDX + 2, h - GRREFERENCEDY)) & + 0x07; + line5 = ((line5 << 1) | + GRREFERENCE->getPixel(w - GRREFERENCEDX + 2, + h - GRREFERENCEDY + 1)) & + 0x07; + } } else { - if((GRREFERENCEDX == 0) && (GRW == (FX_DWORD)GRREFERENCE->m_nWidth)) { - return decode_Template1_opt(pArithDecoder, grContext); - } else { - return decode_Template1_unopt(pArithDecoder, grContext); + line1 = GRREG->getPixel(1, h - 1); + line1 |= GRREG->getPixel(0, h - 1) << 1; + line2 = 0; + line3 = GRREFERENCE->getPixel(-GRREFERENCEDX + 1, h - GRREFERENCEDY - 1); + line3 |= GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY - 1) + << 1; + line4 = GRREFERENCE->getPixel(-GRREFERENCEDX + 1, h - GRREFERENCEDY); + line4 |= GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY) << 1; + line4 |= GRREFERENCE->getPixel(-GRREFERENCEDX - 1, h - GRREFERENCEDY) + << 2; + line5 = GRREFERENCE->getPixel(-GRREFERENCEDX + 1, h - GRREFERENCEDY + 1); + line5 |= GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY + 1) + << 1; + line5 |= GRREFERENCE->getPixel(-GRREFERENCEDX - 1, h - GRREFERENCEDY + 1) + << 2; + for (FX_DWORD w = 0; w < GRW; w++) { + bVal = GRREFERENCE->getPixel(w, h); + if (!(TPGRON && (bVal == GRREFERENCE->getPixel(w - 1, h - 1)) && + (bVal == GRREFERENCE->getPixel(w, h - 1)) && + (bVal == GRREFERENCE->getPixel(w + 1, h - 1)) && + (bVal == GRREFERENCE->getPixel(w - 1, h)) && + (bVal == GRREFERENCE->getPixel(w + 1, h)) && + (bVal == GRREFERENCE->getPixel(w - 1, h + 1)) && + (bVal == GRREFERENCE->getPixel(w, h + 1)) && + (bVal == GRREFERENCE->getPixel(w + 1, h + 1)))) { + CONTEXT = line5; + CONTEXT |= line4 << 3; + CONTEXT |= line3 << 6; + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + GRAT[2], + h - GRREFERENCEDY + GRAT[3]) + << 8; + CONTEXT |= line2 << 9; + CONTEXT |= line1 << 10; + CONTEXT |= GRREG->getPixel(w + GRAT[0], h + GRAT[1]) << 12; + bVal = pArithDecoder->DECODE(&grContext[CONTEXT]); } + GRREG->setPixel(w, h, bVal); + line1 = ((line1 << 1) | GRREG->getPixel(w + 2, h - 1)) & 0x03; + line2 = ((line2 << 1) | bVal) & 0x01; + line3 = ((line3 << 1) | + GRREFERENCE->getPixel(w - GRREFERENCEDX + 2, + h - GRREFERENCEDY - 1)) & + 0x03; + line4 = + ((line4 << 1) | + GRREFERENCE->getPixel(w - GRREFERENCEDX + 2, h - GRREFERENCEDY)) & + 0x07; + line5 = ((line5 << 1) | + GRREFERENCE->getPixel(w - GRREFERENCEDX + 2, + h - GRREFERENCEDY + 1)) & + 0x07; + } } + } + return GRREG; } -CJBig2_Image *CJBig2_GRRDProc::decode_Template0_unopt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *grContext) -{ - FX_BOOL LTP, SLTP, bVal; - FX_DWORD CONTEXT; - CJBig2_Image *GRREG; - FX_DWORD line1, line2, line3, line4, line5; - LTP = 0; - JBIG2_ALLOC(GRREG, CJBig2_Image(GRW, GRH)); - GRREG->fill(0); - for(FX_DWORD h = 0; h < GRH; h++) { - if(TPGRON) { - SLTP = pArithDecoder->DECODE(&grContext[0x0010]); - LTP = LTP ^ SLTP; - } - if(LTP == 0) { - line1 = GRREG->getPixel(1, h - 1); - line1 |= GRREG->getPixel(0, h - 1) << 1; - line2 = 0; - line3 = GRREFERENCE->getPixel(-GRREFERENCEDX + 1, h - GRREFERENCEDY - 1); - line3 |= GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY - 1) << 1; - line4 = GRREFERENCE->getPixel(-GRREFERENCEDX + 1, h - GRREFERENCEDY); - line4 |= GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY) << 1; - line4 |= GRREFERENCE->getPixel(-GRREFERENCEDX - 1, h - GRREFERENCEDY) << 2; - line5 = GRREFERENCE->getPixel(-GRREFERENCEDX + 1, h - GRREFERENCEDY + 1); - line5 |= GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY + 1) << 1; - line5 |= GRREFERENCE->getPixel(-GRREFERENCEDX - 1, h - GRREFERENCEDY + 1) << 2; - for(FX_DWORD w = 0; w < GRW; w++) { - CONTEXT = line5; - CONTEXT |= line4 << 3; - CONTEXT |= line3 << 6; - CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + GRAT[2], h - GRREFERENCEDY + GRAT[3]) << 8; - CONTEXT |= line2 << 9; - CONTEXT |= line1 << 10; - CONTEXT |= GRREG->getPixel(w + GRAT[0], h + GRAT[1]) << 12; - bVal = pArithDecoder->DECODE(&grContext[CONTEXT]); - GRREG->setPixel(w, h, bVal); - line1 = ((line1 << 1) | GRREG->getPixel(w + 2, h - 1)) & 0x03; - line2 = ((line2 << 1) | bVal) & 0x01; - line3 = ((line3 << 1) | GRREFERENCE->getPixel(w - GRREFERENCEDX + 2, h - GRREFERENCEDY - 1)) & 0x03; - line4 = ((line4 << 1) | GRREFERENCE->getPixel(w - GRREFERENCEDX + 2, h - GRREFERENCEDY)) & 0x07; - line5 = ((line5 << 1) | GRREFERENCE->getPixel(w - GRREFERENCEDX + 2, h - GRREFERENCEDY + 1)) & 0x07; - } +CJBig2_Image* CJBig2_GRRDProc::decode_Template0_opt( + CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* grContext) { + FX_BOOL LTP, SLTP, bVal; + FX_DWORD CONTEXT; + CJBig2_Image* GRREG; + FX_DWORD line1, line1_r, line2_r, line3_r; + uint8_t *pLine, *pLineR, cVal; + intptr_t nStride, nStrideR, nOffset; + int32_t k, nBits; + int32_t GRWR, GRHR; + int32_t GRW, GRH; + GRW = (int32_t)CJBig2_GRRDProc::GRW; + GRH = (int32_t)CJBig2_GRRDProc::GRH; + LTP = 0; + JBIG2_ALLOC(GRREG, CJBig2_Image(GRW, GRH)); + if (GRREG->m_pData == NULL) { + delete GRREG; + m_pModule->JBig2_Error( + "Generic refinement region decoding procedure: Create Image Failed " + "with width = %d, height = %d\n", + GRW, GRH); + return NULL; + } + pLine = GRREG->m_pData; + pLineR = GRREFERENCE->m_pData; + nStride = GRREG->m_nStride; + nStrideR = GRREFERENCE->m_nStride; + GRWR = (int32_t)GRREFERENCE->m_nWidth; + GRHR = (int32_t)GRREFERENCE->m_nHeight; + if (GRREFERENCEDY < -GRHR + 1 || GRREFERENCEDY > GRHR - 1) { + GRREFERENCEDY = 0; + } + nOffset = -GRREFERENCEDY * nStrideR; + for (int32_t h = 0; h < GRH; h++) { + if (TPGRON) { + SLTP = pArithDecoder->DECODE(&grContext[0x0010]); + LTP = LTP ^ SLTP; + } + line1 = (h > 0) ? pLine[-nStride] << 4 : 0; + int32_t reference_h = h - GRREFERENCEDY; + FX_BOOL line1_r_ok = (reference_h > 0 && reference_h < GRHR + 1); + FX_BOOL line2_r_ok = (reference_h > -1 && reference_h < GRHR); + FX_BOOL line3_r_ok = (reference_h > -2 && reference_h < GRHR - 1); + line1_r = line1_r_ok ? pLineR[nOffset - nStrideR] : 0; + line2_r = line2_r_ok ? pLineR[nOffset] : 0; + line3_r = line3_r_ok ? pLineR[nOffset + nStrideR] : 0; + if (LTP == 0) { + CONTEXT = (line1 & 0x1c00) | (line1_r & 0x01c0) | + ((line2_r >> 3) & 0x0038) | ((line3_r >> 6) & 0x0007); + for (int32_t w = 0; w < GRW; w += 8) { + nBits = GRW - w > 8 ? 8 : GRW - w; + if (h > 0) + line1 = (line1 << 8) | + (w + 8 < GRW ? pLine[-nStride + (w >> 3) + 1] << 4 : 0); + if (h > GRHR + GRREFERENCEDY + 1) { + line1_r = 0; + line2_r = 0; + line3_r = 0; } else { - line1 = GRREG->getPixel(1, h - 1); - line1 |= GRREG->getPixel(0, h - 1) << 1; - line2 = 0; - line3 = GRREFERENCE->getPixel(-GRREFERENCEDX + 1, h - GRREFERENCEDY - 1); - line3 |= GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY - 1) << 1; - line4 = GRREFERENCE->getPixel(-GRREFERENCEDX + 1, h - GRREFERENCEDY); - line4 |= GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY) << 1; - line4 |= GRREFERENCE->getPixel(-GRREFERENCEDX - 1, h - GRREFERENCEDY) << 2; - line5 = GRREFERENCE->getPixel(-GRREFERENCEDX + 1, h - GRREFERENCEDY + 1); - line5 |= GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY + 1) << 1; - line5 |= GRREFERENCE->getPixel(-GRREFERENCEDX - 1, h - GRREFERENCEDY + 1) << 2; - for(FX_DWORD w = 0; w < GRW; w++) { - bVal = GRREFERENCE->getPixel(w, h); - if(!(TPGRON && (bVal == GRREFERENCE->getPixel(w - 1, h - 1)) - && (bVal == GRREFERENCE->getPixel(w, h - 1)) - && (bVal == GRREFERENCE->getPixel(w + 1, h - 1)) - && (bVal == GRREFERENCE->getPixel(w - 1, h)) - && (bVal == GRREFERENCE->getPixel(w + 1, h)) - && (bVal == GRREFERENCE->getPixel(w - 1, h + 1)) - && (bVal == GRREFERENCE->getPixel(w, h + 1)) - && (bVal == GRREFERENCE->getPixel(w + 1, h + 1)))) { - CONTEXT = line5; - CONTEXT |= line4 << 3; - CONTEXT |= line3 << 6; - CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + GRAT[2], h - GRREFERENCEDY + GRAT[3]) << 8; - CONTEXT |= line2 << 9; - CONTEXT |= line1 << 10; - CONTEXT |= GRREG->getPixel(w + GRAT[0], h + GRAT[1]) << 12; - bVal = pArithDecoder->DECODE(&grContext[CONTEXT]); - } - GRREG->setPixel(w, h, bVal); - line1 = ((line1 << 1) | GRREG->getPixel(w + 2, h - 1)) & 0x03; - line2 = ((line2 << 1) | bVal) & 0x01; - line3 = ((line3 << 1) | GRREFERENCE->getPixel(w - GRREFERENCEDX + 2, h - GRREFERENCEDY - 1)) & 0x03; - line4 = ((line4 << 1) | GRREFERENCE->getPixel(w - GRREFERENCEDX + 2, h - GRREFERENCEDY)) & 0x07; - line5 = ((line5 << 1) | GRREFERENCE->getPixel(w - GRREFERENCEDX + 2, h - GRREFERENCEDY + 1)) & 0x07; - } + if (line1_r_ok) + line1_r = + (line1_r << 8) | + (w + 8 < GRWR ? pLineR[nOffset - nStrideR + (w >> 3) + 1] : 0); + if (line2_r_ok) + line2_r = (line2_r << 8) | + (w + 8 < GRWR ? pLineR[nOffset + (w >> 3) + 1] : 0); + if (line3_r_ok) + line3_r = + (line3_r << 8) | + (w + 8 < GRWR ? pLineR[nOffset + nStrideR + (w >> 3) + 1] : 0); + else { + line3_r = 0; + } } + cVal = 0; + for (k = 0; k < nBits; k++) { + bVal = pArithDecoder->DECODE(&grContext[CONTEXT]); + cVal |= bVal << (7 - k); + CONTEXT = ((CONTEXT & 0x0cdb) << 1) | (bVal << 9) | + ((line1 >> (7 - k)) & 0x0400) | + ((line1_r >> (7 - k)) & 0x0040) | + ((line2_r >> (10 - k)) & 0x0008) | + ((line3_r >> (13 - k)) & 0x0001); + } + pLine[w >> 3] = cVal; + } + } else { + CONTEXT = (line1 & 0x1c00) | (line1_r & 0x01c0) | + ((line2_r >> 3) & 0x0038) | ((line3_r >> 6) & 0x0007); + for (int32_t w = 0; w < GRW; w += 8) { + nBits = GRW - w > 8 ? 8 : GRW - w; + if (h > 0) + line1 = (line1 << 8) | + (w + 8 < GRW ? pLine[-nStride + (w >> 3) + 1] << 4 : 0); + if (line1_r_ok) + line1_r = + (line1_r << 8) | + (w + 8 < GRWR ? pLineR[nOffset - nStrideR + (w >> 3) + 1] : 0); + if (line2_r_ok) + line2_r = (line2_r << 8) | + (w + 8 < GRWR ? pLineR[nOffset + (w >> 3) + 1] : 0); + if (line3_r_ok) + line3_r = + (line3_r << 8) | + (w + 8 < GRWR ? pLineR[nOffset + nStrideR + (w >> 3) + 1] : 0); + else { + line3_r = 0; + } + cVal = 0; + for (k = 0; k < nBits; k++) { + bVal = GRREFERENCE->getPixel(w + k, h); + if (!(TPGRON && (bVal == GRREFERENCE->getPixel(w + k - 1, h - 1)) && + (bVal == GRREFERENCE->getPixel(w + k, h - 1)) && + (bVal == GRREFERENCE->getPixel(w + k + 1, h - 1)) && + (bVal == GRREFERENCE->getPixel(w + k - 1, h)) && + (bVal == GRREFERENCE->getPixel(w + k + 1, h)) && + (bVal == GRREFERENCE->getPixel(w + k - 1, h + 1)) && + (bVal == GRREFERENCE->getPixel(w + k, h + 1)) && + (bVal == GRREFERENCE->getPixel(w + k + 1, h + 1)))) { + bVal = pArithDecoder->DECODE(&grContext[CONTEXT]); + } + cVal |= bVal << (7 - k); + CONTEXT = ((CONTEXT & 0x0cdb) << 1) | (bVal << 9) | + ((line1 >> (7 - k)) & 0x0400) | + ((line1_r >> (7 - k)) & 0x0040) | + ((line2_r >> (10 - k)) & 0x0008) | + ((line3_r >> (13 - k)) & 0x0001); + } + pLine[w >> 3] = cVal; + } } - return GRREG; + pLine += nStride; + if (h < GRHR + GRREFERENCEDY) { + pLineR += nStrideR; + } + } + return GRREG; } -CJBig2_Image *CJBig2_GRRDProc::decode_Template0_opt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *grContext) -{ - FX_BOOL LTP, SLTP, bVal; - FX_DWORD CONTEXT; - CJBig2_Image *GRREG; - FX_DWORD line1, line1_r, line2_r, line3_r; - uint8_t *pLine, *pLineR, cVal; - intptr_t nStride, nStrideR, nOffset; - int32_t k, nBits; - int32_t GRWR, GRHR; - int32_t GRW, GRH; - GRW = (int32_t)CJBig2_GRRDProc::GRW; - GRH = (int32_t)CJBig2_GRRDProc::GRH; - LTP = 0; - JBIG2_ALLOC(GRREG, CJBig2_Image(GRW, GRH)); - if (GRREG->m_pData == NULL) { - delete GRREG; - m_pModule->JBig2_Error("Generic refinement region decoding procedure: Create Image Failed with width = %d, height = %d\n", GRW, GRH); - return NULL; +CJBig2_Image* CJBig2_GRRDProc::decode_Template1_unopt( + CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* grContext) { + FX_BOOL LTP, SLTP, bVal; + FX_DWORD CONTEXT; + CJBig2_Image* GRREG; + FX_DWORD line1, line2, line3, line4, line5; + LTP = 0; + JBIG2_ALLOC(GRREG, CJBig2_Image(GRW, GRH)); + GRREG->fill(0); + for (FX_DWORD h = 0; h < GRH; h++) { + if (TPGRON) { + SLTP = pArithDecoder->DECODE(&grContext[0x0008]); + LTP = LTP ^ SLTP; + } + if (LTP == 0) { + line1 = GRREG->getPixel(1, h - 1); + line1 |= GRREG->getPixel(0, h - 1) << 1; + line1 |= GRREG->getPixel(-1, h - 1) << 2; + line2 = 0; + line3 = GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY - 1); + line4 = GRREFERENCE->getPixel(-GRREFERENCEDX + 1, h - GRREFERENCEDY); + line4 |= GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY) << 1; + line4 |= GRREFERENCE->getPixel(-GRREFERENCEDX - 1, h - GRREFERENCEDY) + << 2; + line5 = GRREFERENCE->getPixel(-GRREFERENCEDX + 1, h - GRREFERENCEDY + 1); + line5 |= GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY + 1) + << 1; + for (FX_DWORD w = 0; w < GRW; w++) { + CONTEXT = line5; + CONTEXT |= line4 << 2; + CONTEXT |= line3 << 5; + CONTEXT |= line2 << 6; + CONTEXT |= line1 << 7; + bVal = pArithDecoder->DECODE(&grContext[CONTEXT]); + GRREG->setPixel(w, h, bVal); + line1 = ((line1 << 1) | GRREG->getPixel(w + 2, h - 1)) & 0x07; + line2 = ((line2 << 1) | bVal) & 0x01; + line3 = ((line3 << 1) | + GRREFERENCE->getPixel(w - GRREFERENCEDX + 1, + h - GRREFERENCEDY - 1)) & + 0x01; + line4 = + ((line4 << 1) | + GRREFERENCE->getPixel(w - GRREFERENCEDX + 2, h - GRREFERENCEDY)) & + 0x07; + line5 = ((line5 << 1) | + GRREFERENCE->getPixel(w - GRREFERENCEDX + 2, + h - GRREFERENCEDY + 1)) & + 0x03; + } + } else { + line1 = GRREG->getPixel(1, h - 1); + line1 |= GRREG->getPixel(0, h - 1) << 1; + line1 |= GRREG->getPixel(-1, h - 1) << 2; + line2 = 0; + line3 = GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY - 1); + line4 = GRREFERENCE->getPixel(-GRREFERENCEDX + 1, h - GRREFERENCEDY); + line4 |= GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY) << 1; + line4 |= GRREFERENCE->getPixel(-GRREFERENCEDX - 1, h - GRREFERENCEDY) + << 2; + line5 = GRREFERENCE->getPixel(-GRREFERENCEDX + 1, h - GRREFERENCEDY + 1); + line5 |= GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY + 1) + << 1; + for (FX_DWORD w = 0; w < GRW; w++) { + bVal = GRREFERENCE->getPixel(w, h); + if (!(TPGRON && (bVal == GRREFERENCE->getPixel(w - 1, h - 1)) && + (bVal == GRREFERENCE->getPixel(w, h - 1)) && + (bVal == GRREFERENCE->getPixel(w + 1, h - 1)) && + (bVal == GRREFERENCE->getPixel(w - 1, h)) && + (bVal == GRREFERENCE->getPixel(w + 1, h)) && + (bVal == GRREFERENCE->getPixel(w - 1, h + 1)) && + (bVal == GRREFERENCE->getPixel(w, h + 1)) && + (bVal == GRREFERENCE->getPixel(w + 1, h + 1)))) { + CONTEXT = line5; + CONTEXT |= line4 << 2; + CONTEXT |= line3 << 5; + CONTEXT |= line2 << 6; + CONTEXT |= line1 << 7; + bVal = pArithDecoder->DECODE(&grContext[CONTEXT]); + } + GRREG->setPixel(w, h, bVal); + line1 = ((line1 << 1) | GRREG->getPixel(w + 2, h - 1)) & 0x07; + line2 = ((line2 << 1) | bVal) & 0x01; + line3 = ((line3 << 1) | + GRREFERENCE->getPixel(w - GRREFERENCEDX + 1, + h - GRREFERENCEDY - 1)) & + 0x01; + line4 = + ((line4 << 1) | + GRREFERENCE->getPixel(w - GRREFERENCEDX + 2, h - GRREFERENCEDY)) & + 0x07; + line5 = ((line5 << 1) | + GRREFERENCE->getPixel(w - GRREFERENCEDX + 2, + h - GRREFERENCEDY + 1)) & + 0x03; + } } - pLine = GRREG->m_pData; - pLineR = GRREFERENCE->m_pData; - nStride = GRREG->m_nStride; - nStrideR = GRREFERENCE->m_nStride; - GRWR = (int32_t)GRREFERENCE->m_nWidth; - GRHR = (int32_t)GRREFERENCE->m_nHeight; - if (GRREFERENCEDY < -GRHR + 1 || GRREFERENCEDY > GRHR - 1) { - GRREFERENCEDY = 0; + } + return GRREG; +} +CJBig2_Image* CJBig2_GRRDProc::decode_Template1_opt( + CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* grContext) { + FX_BOOL LTP, SLTP, bVal; + FX_DWORD CONTEXT; + CJBig2_Image* GRREG; + FX_DWORD line1, line1_r, line2_r, line3_r; + uint8_t *pLine, *pLineR, cVal; + intptr_t nStride, nStrideR, nOffset; + int32_t k, nBits; + int32_t GRWR, GRHR; + int32_t GRW, GRH; + GRW = (int32_t)CJBig2_GRRDProc::GRW; + GRH = (int32_t)CJBig2_GRRDProc::GRH; + LTP = 0; + JBIG2_ALLOC(GRREG, CJBig2_Image(GRW, GRH)); + if (GRREG->m_pData == NULL) { + delete GRREG; + m_pModule->JBig2_Error( + "Generic refinement region decoding procedure: Create Image Failed " + "with width = %d, height = %d\n", + GRW, GRH); + return NULL; + } + pLine = GRREG->m_pData; + pLineR = GRREFERENCE->m_pData; + nStride = GRREG->m_nStride; + nStrideR = GRREFERENCE->m_nStride; + GRWR = (int32_t)GRREFERENCE->m_nWidth; + GRHR = (int32_t)GRREFERENCE->m_nHeight; + if (GRREFERENCEDY < -GRHR + 1 || GRREFERENCEDY > GRHR - 1) { + GRREFERENCEDY = 0; + } + nOffset = -GRREFERENCEDY * nStrideR; + for (int32_t h = 0; h < GRH; h++) { + if (TPGRON) { + SLTP = pArithDecoder->DECODE(&grContext[0x0008]); + LTP = LTP ^ SLTP; } - nOffset = -GRREFERENCEDY * nStrideR; - for (int32_t h = 0; h < GRH; h++) { - if(TPGRON) { - SLTP = pArithDecoder->DECODE(&grContext[0x0010]); - LTP = LTP ^ SLTP; + line1 = (h > 0) ? pLine[-nStride] << 1 : 0; + int32_t reference_h = h - GRREFERENCEDY; + FX_BOOL line1_r_ok = (reference_h > 0 && reference_h < GRHR + 1); + FX_BOOL line2_r_ok = (reference_h > -1 && reference_h < GRHR); + FX_BOOL line3_r_ok = (reference_h > -2 && reference_h < GRHR - 1); + line1_r = line1_r_ok ? pLineR[nOffset - nStrideR] : 0; + line2_r = line2_r_ok ? pLineR[nOffset] : 0; + line3_r = line3_r_ok ? pLineR[nOffset + nStrideR] : 0; + if (LTP == 0) { + CONTEXT = (line1 & 0x0380) | ((line1_r >> 2) & 0x0020) | + ((line2_r >> 4) & 0x001c) | ((line3_r >> 6) & 0x0003); + for (int32_t w = 0; w < GRW; w += 8) { + nBits = GRW - w > 8 ? 8 : GRW - w; + if (h > 0) + line1 = (line1 << 8) | + (w + 8 < GRW ? pLine[-nStride + (w >> 3) + 1] << 1 : 0); + if (line1_r_ok) + line1_r = + (line1_r << 8) | + (w + 8 < GRWR ? pLineR[nOffset - nStrideR + (w >> 3) + 1] : 0); + if (line2_r_ok) + line2_r = (line2_r << 8) | + (w + 8 < GRWR ? pLineR[nOffset + (w >> 3) + 1] : 0); + if (line3_r_ok) + line3_r = + (line3_r << 8) | + (w + 8 < GRWR ? pLineR[nOffset + nStrideR + (w >> 3) + 1] : 0); + else { + line3_r = 0; } - line1 = (h > 0) ? pLine[-nStride] << 4 : 0; - int32_t reference_h = h - GRREFERENCEDY; - FX_BOOL line1_r_ok = (reference_h > 0 && reference_h < GRHR + 1); - FX_BOOL line2_r_ok = (reference_h > -1 && reference_h < GRHR); - FX_BOOL line3_r_ok = (reference_h > -2 && reference_h < GRHR - 1); - line1_r = line1_r_ok ? pLineR[nOffset - nStrideR] : 0; - line2_r = line2_r_ok ? pLineR[nOffset] : 0; - line3_r = line3_r_ok ? pLineR[nOffset + nStrideR] : 0; - if(LTP == 0) { - CONTEXT = (line1 & 0x1c00) | (line1_r & 0x01c0) - | ((line2_r >> 3) & 0x0038) | ((line3_r >> 6) & 0x0007); - for (int32_t w = 0; w < GRW; w += 8) { - nBits = GRW - w > 8 ? 8 : GRW - w; - if (h > 0) - line1 = (line1 << 8) | - (w + 8 < GRW ? pLine[-nStride + (w >> 3) + 1] << 4 : 0); - if (h > GRHR + GRREFERENCEDY + 1) { - line1_r = 0; - line2_r = 0; - line3_r = 0; - } else { - if(line1_r_ok) - line1_r = (line1_r << 8) | - (w + 8 < GRWR ? pLineR[nOffset - nStrideR + (w >> 3) + 1] : 0); - if(line2_r_ok) - line2_r = (line2_r << 8) | - (w + 8 < GRWR ? pLineR[nOffset + (w >> 3) + 1] : 0); - if(line3_r_ok) - line3_r = (line3_r << 8) | - (w + 8 < GRWR ? pLineR[nOffset + nStrideR + (w >> 3) + 1] : 0); - else { - line3_r = 0; - } - } - cVal = 0; - for (k = 0; k < nBits; k++) { - bVal = pArithDecoder->DECODE(&grContext[CONTEXT]); - cVal |= bVal << (7 - k); - CONTEXT = ((CONTEXT & 0x0cdb) << 1) | (bVal << 9) | - ((line1 >> (7 - k)) & 0x0400) | - ((line1_r >> (7 - k)) & 0x0040) | - ((line2_r >> (10 - k)) & 0x0008) | - ((line3_r >> (13 - k)) & 0x0001); - } - pLine[w >> 3] = cVal; - } - } else { - CONTEXT = (line1 & 0x1c00) | (line1_r & 0x01c0) - | ((line2_r >> 3) & 0x0038) | ((line3_r >> 6) & 0x0007); - for (int32_t w = 0; w < GRW; w += 8) { - nBits = GRW - w > 8 ? 8 : GRW - w; - if (h > 0) - line1 = (line1 << 8) | - (w + 8 < GRW ? pLine[-nStride + (w >> 3) + 1] << 4 : 0); - if(line1_r_ok) - line1_r = (line1_r << 8) | - (w + 8 < GRWR ? pLineR[nOffset - nStrideR + (w >> 3) + 1] : 0); - if(line2_r_ok) - line2_r = (line2_r << 8) | - (w + 8 < GRWR ? pLineR[nOffset + (w >> 3) + 1] : 0); - if(line3_r_ok) - line3_r = (line3_r << 8) | - (w + 8 < GRWR ? pLineR[nOffset + nStrideR + (w >> 3) + 1] : 0); - else { - line3_r = 0; - } - cVal = 0; - for (k = 0; k < nBits; k++) { - bVal = GRREFERENCE->getPixel(w + k, h); - if(!(TPGRON && (bVal == GRREFERENCE->getPixel(w + k - 1, h - 1)) - && (bVal == GRREFERENCE->getPixel(w + k, h - 1)) - && (bVal == GRREFERENCE->getPixel(w + k + 1, h - 1)) - && (bVal == GRREFERENCE->getPixel(w + k - 1, h)) - && (bVal == GRREFERENCE->getPixel(w + k + 1, h)) - && (bVal == GRREFERENCE->getPixel(w + k - 1, h + 1)) - && (bVal == GRREFERENCE->getPixel(w + k, h + 1)) - && (bVal == GRREFERENCE->getPixel(w + k + 1, h + 1)))) { - bVal = pArithDecoder->DECODE(&grContext[CONTEXT]); - } - cVal |= bVal << (7 - k); - CONTEXT = ((CONTEXT & 0x0cdb) << 1) | (bVal << 9) | - ((line1 >> (7 - k)) & 0x0400) | - ((line1_r >> (7 - k)) & 0x0040) | - ((line2_r >> (10 - k)) & 0x0008) | - ((line3_r >> (13 - k)) & 0x0001); - } - pLine[w >> 3] = cVal; - } + cVal = 0; + for (k = 0; k < nBits; k++) { + bVal = pArithDecoder->DECODE(&grContext[CONTEXT]); + cVal |= bVal << (7 - k); + CONTEXT = ((CONTEXT & 0x018d) << 1) | (bVal << 6) | + ((line1 >> (7 - k)) & 0x0080) | + ((line1_r >> (9 - k)) & 0x0020) | + ((line2_r >> (11 - k)) & 0x0004) | + ((line3_r >> (13 - k)) & 0x0001); + } + pLine[w >> 3] = cVal; + } + } else { + CONTEXT = (line1 & 0x0380) | ((line1_r >> 2) & 0x0020) | + ((line2_r >> 4) & 0x001c) | ((line3_r >> 6) & 0x0003); + for (int32_t w = 0; w < GRW; w += 8) { + nBits = GRW - w > 8 ? 8 : GRW - w; + if (h > 0) + line1 = (line1 << 8) | + (w + 8 < GRW ? pLine[-nStride + (w >> 3) + 1] << 1 : 0); + if (line1_r_ok) + line1_r = + (line1_r << 8) | + (w + 8 < GRWR ? pLineR[nOffset - nStrideR + (w >> 3) + 1] : 0); + if (line2_r_ok) + line2_r = (line2_r << 8) | + (w + 8 < GRWR ? pLineR[nOffset + (w >> 3) + 1] : 0); + if (line3_r_ok) + line3_r = + (line3_r << 8) | + (w + 8 < GRWR ? pLineR[nOffset + nStrideR + (w >> 3) + 1] : 0); + else { + line3_r = 0; } - pLine += nStride; - if (h < GRHR + GRREFERENCEDY) { - pLineR += nStrideR; + cVal = 0; + for (k = 0; k < nBits; k++) { + bVal = GRREFERENCE->getPixel(w + k, h); + if (!(TPGRON && (bVal == GRREFERENCE->getPixel(w + k - 1, h - 1)) && + (bVal == GRREFERENCE->getPixel(w + k, h - 1)) && + (bVal == GRREFERENCE->getPixel(w + k + 1, h - 1)) && + (bVal == GRREFERENCE->getPixel(w + k - 1, h)) && + (bVal == GRREFERENCE->getPixel(w + k + 1, h)) && + (bVal == GRREFERENCE->getPixel(w + k - 1, h + 1)) && + (bVal == GRREFERENCE->getPixel(w + k, h + 1)) && + (bVal == GRREFERENCE->getPixel(w + k + 1, h + 1)))) { + bVal = pArithDecoder->DECODE(&grContext[CONTEXT]); + } + cVal |= bVal << (7 - k); + CONTEXT = ((CONTEXT & 0x018d) << 1) | (bVal << 6) | + ((line1 >> (7 - k)) & 0x0080) | + ((line1_r >> (9 - k)) & 0x0020) | + ((line2_r >> (11 - k)) & 0x0004) | + ((line3_r >> (13 - k)) & 0x0001); } + pLine[w >> 3] = cVal; + } + } + pLine += nStride; + if (h < GRHR + GRREFERENCEDY) { + pLineR += nStrideR; } - return GRREG; + } + return GRREG; } -CJBig2_Image *CJBig2_GRRDProc::decode_Template1_unopt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *grContext) -{ - FX_BOOL LTP, SLTP, bVal; - FX_DWORD CONTEXT; - CJBig2_Image *GRREG; - FX_DWORD line1, line2, line3, line4, line5; - LTP = 0; - JBIG2_ALLOC(GRREG, CJBig2_Image(GRW, GRH)); - GRREG->fill(0); - for(FX_DWORD h = 0; h < GRH; h++) { - if(TPGRON) { - SLTP = pArithDecoder->DECODE(&grContext[0x0008]); - LTP = LTP ^ SLTP; +CJBig2_Image* CJBig2_GRRDProc::decode_V1(CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* grContext) { + FX_BOOL LTP, SLTP, bVal; + FX_BOOL TPGRPIX, TPGRVAL; + FX_DWORD CONTEXT; + CJBig2_Image* GRREG; + LTP = 0; + JBIG2_ALLOC(GRREG, CJBig2_Image(GRW, GRH)); + GRREG->fill(0); + for (FX_DWORD h = 0; h < GRH; h++) { + if (TPGRON) { + switch (GRTEMPLATE) { + case 0: + CONTEXT = 0x0010; + break; + case 1: + CONTEXT = 0x0008; + break; + } + SLTP = pArithDecoder->DECODE(&grContext[CONTEXT]); + LTP = LTP ^ SLTP; + } + if (LTP == 0) { + for (FX_DWORD w = 0; w < GRW; w++) { + CONTEXT = 0; + switch (GRTEMPLATE) { + case 0: + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + 1, + h - GRREFERENCEDY + 1); + CONTEXT |= + GRREFERENCE->getPixel(w - GRREFERENCEDX, h - GRREFERENCEDY + 1) + << 1; + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX - 1, + h - GRREFERENCEDY + 1) + << 2; + CONTEXT |= + GRREFERENCE->getPixel(w - GRREFERENCEDX + 1, h - GRREFERENCEDY) + << 3; + CONTEXT |= + GRREFERENCE->getPixel(w - GRREFERENCEDX, h - GRREFERENCEDY) + << 4; + CONTEXT |= + GRREFERENCE->getPixel(w - GRREFERENCEDX - 1, h - GRREFERENCEDY) + << 5; + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + 1, + h - GRREFERENCEDY - 1) + << 6; + CONTEXT |= + GRREFERENCE->getPixel(w - GRREFERENCEDX, h - GRREFERENCEDY - 1) + << 7; + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + GRAT[2], + h - GRREFERENCEDY + GRAT[3]) + << 8; + CONTEXT |= GRREG->getPixel(w - 1, h) << 9; + CONTEXT |= GRREG->getPixel(w + 1, h - 1) << 10; + CONTEXT |= GRREG->getPixel(w, h - 1) << 11; + CONTEXT |= GRREG->getPixel(w + GRAT[0], h + GRAT[1]) << 12; + break; + case 1: + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + 1, + h - GRREFERENCEDY + 1); + CONTEXT |= + GRREFERENCE->getPixel(w - GRREFERENCEDX, h - GRREFERENCEDY + 1) + << 1; + CONTEXT |= + GRREFERENCE->getPixel(w - GRREFERENCEDX + 1, h - GRREFERENCEDY) + << 2; + CONTEXT |= + GRREFERENCE->getPixel(w - GRREFERENCEDX, h - GRREFERENCEDY) + << 3; + CONTEXT |= + GRREFERENCE->getPixel(w - GRREFERENCEDX - 1, h - GRREFERENCEDY) + << 4; + CONTEXT |= + GRREFERENCE->getPixel(w - GRREFERENCEDX, h - GRREFERENCEDY - 1) + << 5; + CONTEXT |= GRREG->getPixel(w - 1, h) << 6; + CONTEXT |= GRREG->getPixel(w + 1, h - 1) << 7; + CONTEXT |= GRREG->getPixel(w, h - 1) << 8; + CONTEXT |= GRREG->getPixel(w - 1, h - 1) << 9; + break; } - if(LTP == 0) { - line1 = GRREG->getPixel(1, h - 1); - line1 |= GRREG->getPixel(0, h - 1) << 1; - line1 |= GRREG->getPixel(-1, h - 1) << 2; - line2 = 0; - line3 = GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY - 1); - line4 = GRREFERENCE->getPixel(-GRREFERENCEDX + 1, h - GRREFERENCEDY); - line4 |= GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY) << 1; - line4 |= GRREFERENCE->getPixel(-GRREFERENCEDX - 1, h - GRREFERENCEDY) << 2; - line5 = GRREFERENCE->getPixel(-GRREFERENCEDX + 1, h - GRREFERENCEDY + 1); - line5 |= GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY + 1) << 1; - for(FX_DWORD w = 0; w < GRW; w++) { - CONTEXT = line5; - CONTEXT |= line4 << 2; - CONTEXT |= line3 << 5; - CONTEXT |= line2 << 6; - CONTEXT |= line1 << 7; - bVal = pArithDecoder->DECODE(&grContext[CONTEXT]); - GRREG->setPixel(w, h, bVal); - line1 = ((line1 << 1) | GRREG->getPixel(w + 2, h - 1)) & 0x07; - line2 = ((line2 << 1) | bVal) & 0x01; - line3 = ((line3 << 1) | GRREFERENCE->getPixel(w - GRREFERENCEDX + 1, h - GRREFERENCEDY - 1)) & 0x01; - line4 = ((line4 << 1) | GRREFERENCE->getPixel(w - GRREFERENCEDX + 2, h - GRREFERENCEDY)) & 0x07; - line5 = ((line5 << 1) | GRREFERENCE->getPixel(w - GRREFERENCEDX + 2, h - GRREFERENCEDY + 1)) & 0x03; - } + bVal = pArithDecoder->DECODE(&grContext[CONTEXT]); + GRREG->setPixel(w, h, bVal); + } + } else { + for (FX_DWORD w = 0; w < GRW; w++) { + bVal = GRREFERENCE->getPixel(w, h); + if (TPGRON && (bVal == GRREFERENCE->getPixel(w - 1, h - 1)) && + (bVal == GRREFERENCE->getPixel(w, h - 1)) && + (bVal == GRREFERENCE->getPixel(w + 1, h - 1)) && + (bVal == GRREFERENCE->getPixel(w - 1, h)) && + (bVal == GRREFERENCE->getPixel(w + 1, h)) && + (bVal == GRREFERENCE->getPixel(w - 1, h + 1)) && + (bVal == GRREFERENCE->getPixel(w, h + 1)) && + (bVal == GRREFERENCE->getPixel(w + 1, h + 1))) { + TPGRPIX = 1; + TPGRVAL = bVal; } else { - line1 = GRREG->getPixel(1, h - 1); - line1 |= GRREG->getPixel(0, h - 1) << 1; - line1 |= GRREG->getPixel(-1, h - 1) << 2; - line2 = 0; - line3 = GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY - 1); - line4 = GRREFERENCE->getPixel(-GRREFERENCEDX + 1, h - GRREFERENCEDY); - line4 |= GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY) << 1; - line4 |= GRREFERENCE->getPixel(-GRREFERENCEDX - 1, h - GRREFERENCEDY) << 2; - line5 = GRREFERENCE->getPixel(-GRREFERENCEDX + 1, h - GRREFERENCEDY + 1); - line5 |= GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY + 1) << 1; - for(FX_DWORD w = 0; w < GRW; w++) { - bVal = GRREFERENCE->getPixel(w, h); - if(!(TPGRON && (bVal == GRREFERENCE->getPixel(w - 1, h - 1)) - && (bVal == GRREFERENCE->getPixel(w, h - 1)) - && (bVal == GRREFERENCE->getPixel(w + 1, h - 1)) - && (bVal == GRREFERENCE->getPixel(w - 1, h)) - && (bVal == GRREFERENCE->getPixel(w + 1, h)) - && (bVal == GRREFERENCE->getPixel(w - 1, h + 1)) - && (bVal == GRREFERENCE->getPixel(w, h + 1)) - && (bVal == GRREFERENCE->getPixel(w + 1, h + 1)))) { - CONTEXT = line5; - CONTEXT |= line4 << 2; - CONTEXT |= line3 << 5; - CONTEXT |= line2 << 6; - CONTEXT |= line1 << 7; - bVal = pArithDecoder->DECODE(&grContext[CONTEXT]); - } - GRREG->setPixel(w, h, bVal); - line1 = ((line1 << 1) | GRREG->getPixel(w + 2, h - 1)) & 0x07; - line2 = ((line2 << 1) | bVal) & 0x01; - line3 = ((line3 << 1) | GRREFERENCE->getPixel(w - GRREFERENCEDX + 1, h - GRREFERENCEDY - 1)) & 0x01; - line4 = ((line4 << 1) | GRREFERENCE->getPixel(w - GRREFERENCEDX + 2, h - GRREFERENCEDY)) & 0x07; - line5 = ((line5 << 1) | GRREFERENCE->getPixel(w - GRREFERENCEDX + 2, h - GRREFERENCEDY + 1)) & 0x03; - } + TPGRPIX = 0; + } + if (TPGRPIX) { + GRREG->setPixel(w, h, TPGRVAL); + } else { + CONTEXT = 0; + switch (GRTEMPLATE) { + case 0: + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + 1, + h - GRREFERENCEDY + 1); + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX, + h - GRREFERENCEDY + 1) + << 1; + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX - 1, + h - GRREFERENCEDY + 1) + << 2; + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + 1, + h - GRREFERENCEDY) + << 3; + CONTEXT |= + GRREFERENCE->getPixel(w - GRREFERENCEDX, h - GRREFERENCEDY) + << 4; + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX - 1, + h - GRREFERENCEDY) + << 5; + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + 1, + h - GRREFERENCEDY - 1) + << 6; + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX, + h - GRREFERENCEDY - 1) + << 7; + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + GRAT[2], + h - GRREFERENCEDY + GRAT[3]) + << 8; + CONTEXT |= GRREG->getPixel(w - 1, h) << 9; + CONTEXT |= GRREG->getPixel(w + 1, h - 1) << 10; + CONTEXT |= GRREG->getPixel(w, h - 1) << 11; + CONTEXT |= GRREG->getPixel(w + GRAT[0], h + GRAT[1]) << 12; + break; + case 1: + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + 1, + h - GRREFERENCEDY + 1); + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX, + h - GRREFERENCEDY + 1) + << 1; + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + 1, + h - GRREFERENCEDY) + << 2; + CONTEXT |= + GRREFERENCE->getPixel(w - GRREFERENCEDX, h - GRREFERENCEDY) + << 3; + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX - 1, + h - GRREFERENCEDY) + << 4; + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX, + h - GRREFERENCEDY - 1) + << 5; + CONTEXT |= GRREG->getPixel(w - 1, h) << 6; + CONTEXT |= GRREG->getPixel(w + 1, h - 1) << 7; + CONTEXT |= GRREG->getPixel(w, h - 1) << 8; + CONTEXT |= GRREG->getPixel(w - 1, h - 1) << 9; + break; + } + bVal = pArithDecoder->DECODE(&grContext[CONTEXT]); + GRREG->setPixel(w, h, bVal); } + } } - return GRREG; + } + return GRREG; } -CJBig2_Image *CJBig2_GRRDProc::decode_Template1_opt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *grContext) -{ - FX_BOOL LTP, SLTP, bVal; - FX_DWORD CONTEXT; - CJBig2_Image *GRREG; - FX_DWORD line1, line1_r, line2_r, line3_r; - uint8_t *pLine, *pLineR, cVal; - intptr_t nStride, nStrideR, nOffset; - int32_t k, nBits; - int32_t GRWR, GRHR; - int32_t GRW, GRH; - GRW = (int32_t)CJBig2_GRRDProc::GRW; - GRH = (int32_t)CJBig2_GRRDProc::GRH; - LTP = 0; - JBIG2_ALLOC(GRREG, CJBig2_Image(GRW, GRH)); - if (GRREG->m_pData == NULL) { - delete GRREG; - m_pModule->JBig2_Error("Generic refinement region decoding procedure: Create Image Failed with width = %d, height = %d\n", GRW, GRH); - return NULL; - } - pLine = GRREG->m_pData; - pLineR = GRREFERENCE->m_pData; - nStride = GRREG->m_nStride; - nStrideR = GRREFERENCE->m_nStride; - GRWR = (int32_t)GRREFERENCE->m_nWidth; - GRHR = (int32_t)GRREFERENCE->m_nHeight; - if (GRREFERENCEDY < -GRHR + 1 || GRREFERENCEDY > GRHR - 1) { - GRREFERENCEDY = 0; +CJBig2_Image* CJBig2_TRDProc::decode_Huffman(CJBig2_BitStream* pStream, + JBig2ArithCtx* grContext) { + int32_t STRIPT, FIRSTS; + FX_DWORD NINSTANCES; + int32_t DT, DFS, CURS; + uint8_t CURT; + int32_t SI, TI; + FX_DWORD IDI; + CJBig2_Image* IBI; + FX_DWORD WI, HI; + int32_t IDS; + FX_BOOL RI; + int32_t RDWI, RDHI, RDXI, RDYI; + CJBig2_Image* IBOI; + FX_DWORD WOI, HOI; + CJBig2_Image* SBREG; + FX_BOOL bFirst; + FX_DWORD nTmp; + int32_t nVal, nBits; + CJBig2_HuffmanDecoder* pHuffmanDecoder; + CJBig2_GRRDProc* pGRRD; + CJBig2_ArithDecoder* pArithDecoder; + JBIG2_ALLOC(pHuffmanDecoder, CJBig2_HuffmanDecoder(pStream)); + JBIG2_ALLOC(SBREG, CJBig2_Image(SBW, SBH)); + SBREG->fill(SBDEFPIXEL); + if (pHuffmanDecoder->decodeAValue(SBHUFFDT, &STRIPT) != 0) { + m_pModule->JBig2_Error( + "text region decoding procedure (huffman): too short."); + goto failed; + } + STRIPT *= SBSTRIPS; + STRIPT = -STRIPT; + FIRSTS = 0; + NINSTANCES = 0; + while (NINSTANCES < SBNUMINSTANCES) { + if (pHuffmanDecoder->decodeAValue(SBHUFFDT, &DT) != 0) { + m_pModule->JBig2_Error( + "text region decoding procedure (huffman): too short."); + goto failed; } - nOffset = -GRREFERENCEDY * nStrideR; - for (int32_t h = 0; h < GRH; h++) { - if(TPGRON) { - SLTP = pArithDecoder->DECODE(&grContext[0x0008]); - LTP = LTP ^ SLTP; + DT *= SBSTRIPS; + STRIPT = STRIPT + DT; + bFirst = TRUE; + for (;;) { + if (bFirst) { + if (pHuffmanDecoder->decodeAValue(SBHUFFFS, &DFS) != 0) { + m_pModule->JBig2_Error( + "text region decoding procedure (huffman): too short."); + goto failed; } - line1 = (h > 0) ? pLine[-nStride] << 1 : 0; - int32_t reference_h = h - GRREFERENCEDY; - FX_BOOL line1_r_ok = (reference_h > 0 && reference_h < GRHR + 1); - FX_BOOL line2_r_ok = (reference_h > -1 && reference_h < GRHR); - FX_BOOL line3_r_ok = (reference_h > -2 && reference_h < GRHR - 1); - line1_r = line1_r_ok ? pLineR[nOffset - nStrideR] : 0; - line2_r = line2_r_ok ? pLineR[nOffset] : 0; - line3_r = line3_r_ok ? pLineR[nOffset + nStrideR] : 0; - if(LTP == 0) { - CONTEXT = (line1 & 0x0380) | ((line1_r >> 2) & 0x0020) - | ((line2_r >> 4) & 0x001c) | ((line3_r >> 6) & 0x0003); - for (int32_t w = 0; w < GRW; w += 8) { - nBits = GRW - w > 8 ? 8 : GRW - w; - if (h > 0) - line1 = (line1 << 8) | - (w + 8 < GRW ? pLine[-nStride + (w >> 3) + 1] << 1 : 0); - if(line1_r_ok) - line1_r = (line1_r << 8) | - (w + 8 < GRWR ? pLineR[nOffset - nStrideR + (w >> 3) + 1] : 0); - if(line2_r_ok) - line2_r = (line2_r << 8) | - (w + 8 < GRWR ? pLineR[nOffset + (w >> 3) + 1] : 0); - if(line3_r_ok) - line3_r = (line3_r << 8) | - (w + 8 < GRWR ? pLineR[nOffset + nStrideR + (w >> 3) + 1] : 0); - else { - line3_r = 0; - } - cVal = 0; - for (k = 0; k < nBits; k++) { - bVal = pArithDecoder->DECODE(&grContext[CONTEXT]); - cVal |= bVal << (7 - k); - CONTEXT = ((CONTEXT & 0x018d) << 1) | (bVal << 6) | - ((line1 >> (7 - k)) & 0x0080) | - ((line1_r >> (9 - k)) & 0x0020) | - ((line2_r >> (11 - k)) & 0x0004) | - ((line3_r >> (13 - k)) & 0x0001); - } - pLine[w >> 3] = cVal; - } + FIRSTS = FIRSTS + DFS; + CURS = FIRSTS; + bFirst = FALSE; + } else { + nVal = pHuffmanDecoder->decodeAValue(SBHUFFDS, &IDS); + if (nVal == JBIG2_OOB) { + break; + } else if (nVal != 0) { + m_pModule->JBig2_Error( + "text region decoding procedure (huffman): too short."); + goto failed; } else { - CONTEXT = (line1 & 0x0380) | ((line1_r >> 2) & 0x0020) - | ((line2_r >> 4) & 0x001c) | ((line3_r >> 6) & 0x0003); - for (int32_t w = 0; w < GRW; w += 8) { - nBits = GRW - w > 8 ? 8 : GRW - w; - if (h > 0) - line1 = (line1 << 8) | - (w + 8 < GRW ? pLine[-nStride + (w >> 3) + 1] << 1 : 0); - if(line1_r_ok) - line1_r = (line1_r << 8) | - (w + 8 < GRWR ? pLineR[nOffset - nStrideR + (w >> 3) + 1] : 0); - if(line2_r_ok) - line2_r = (line2_r << 8) | - (w + 8 < GRWR ? pLineR[nOffset + (w >> 3) + 1] : 0); - if(line3_r_ok) - line3_r = (line3_r << 8) | - (w + 8 < GRWR ? pLineR[nOffset + nStrideR + (w >> 3) + 1] : 0); - else { - line3_r = 0; - } - cVal = 0; - for (k = 0; k < nBits; k++) { - bVal = GRREFERENCE->getPixel(w + k, h); - if(!(TPGRON && (bVal == GRREFERENCE->getPixel(w + k - 1, h - 1)) - && (bVal == GRREFERENCE->getPixel(w + k, h - 1)) - && (bVal == GRREFERENCE->getPixel(w + k + 1, h - 1)) - && (bVal == GRREFERENCE->getPixel(w + k - 1, h)) - && (bVal == GRREFERENCE->getPixel(w + k + 1, h)) - && (bVal == GRREFERENCE->getPixel(w + k - 1, h + 1)) - && (bVal == GRREFERENCE->getPixel(w + k, h + 1)) - && (bVal == GRREFERENCE->getPixel(w + k + 1, h + 1)))) { - bVal = pArithDecoder->DECODE(&grContext[CONTEXT]); - } - cVal |= bVal << (7 - k); - CONTEXT = ((CONTEXT & 0x018d) << 1) | (bVal << 6) | - ((line1 >> (7 - k)) & 0x0080) | - ((line1_r >> (9 - k)) & 0x0020) | - ((line2_r >> (11 - k)) & 0x0004) | - ((line3_r >> (13 - k)) & 0x0001); - } - pLine[w >> 3] = cVal; - } + CURS = CURS + IDS + SBDSOFFSET; } - pLine += nStride; - if (h < GRHR + GRREFERENCEDY) { - pLineR += nStrideR; + } + if (SBSTRIPS == 1) { + CURT = 0; + } else { + nTmp = 1; + while ((FX_DWORD)(1 << nTmp) < SBSTRIPS) { + nTmp++; } - } - return GRREG; -} -CJBig2_Image *CJBig2_GRRDProc::decode_V1(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *grContext) -{ - FX_BOOL LTP, SLTP, bVal; - FX_BOOL TPGRPIX, TPGRVAL; - FX_DWORD CONTEXT; - CJBig2_Image *GRREG; - LTP = 0; - JBIG2_ALLOC(GRREG, CJBig2_Image(GRW, GRH)); - GRREG->fill(0); - for(FX_DWORD h = 0; h < GRH; h++) { - if(TPGRON) { - switch(GRTEMPLATE) { - case 0: - CONTEXT = 0x0010; - break; - case 1: - CONTEXT = 0x0008; - break; - } - SLTP = pArithDecoder->DECODE(&grContext[CONTEXT]); - LTP = LTP ^ SLTP; + if (pStream->readNBits(nTmp, &nVal) != 0) { + m_pModule->JBig2_Error( + "text region decoding procedure (huffman): too short."); + goto failed; } - if(LTP == 0) { - for(FX_DWORD w = 0; w < GRW; w++) { - CONTEXT = 0; - switch(GRTEMPLATE) { - case 0: - CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + 1, h - GRREFERENCEDY + 1); - CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX, h - GRREFERENCEDY + 1) << 1; - CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX - 1, h - GRREFERENCEDY + 1) << 2; - CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + 1, h - GRREFERENCEDY) << 3; - CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX, h - GRREFERENCEDY) << 4; - CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX - 1, h - GRREFERENCEDY) << 5; - CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + 1, h - GRREFERENCEDY - 1) << 6; - CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX, h - GRREFERENCEDY - 1) << 7; - CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + GRAT[2], h - GRREFERENCEDY + GRAT[3]) << 8; - CONTEXT |= GRREG->getPixel(w - 1, h) << 9; - CONTEXT |= GRREG->getPixel(w + 1, h - 1) << 10; - CONTEXT |= GRREG->getPixel(w, h - 1) << 11; - CONTEXT |= GRREG->getPixel(w + GRAT[0], h + GRAT[1]) << 12; - break; - case 1: - CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + 1, h - GRREFERENCEDY + 1); - CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX, h - GRREFERENCEDY + 1) << 1; - CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + 1, h - GRREFERENCEDY) << 2; - CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX, h - GRREFERENCEDY) << 3; - CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX - 1, h - GRREFERENCEDY) << 4; - CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX, h - GRREFERENCEDY - 1) << 5; - CONTEXT |= GRREG->getPixel(w - 1, h) << 6; - CONTEXT |= GRREG->getPixel(w + 1, h - 1) << 7; - CONTEXT |= GRREG->getPixel(w, h - 1) << 8; - CONTEXT |= GRREG->getPixel(w - 1, h - 1) << 9; - break; - } - bVal = pArithDecoder->DECODE(&grContext[CONTEXT]); - GRREG->setPixel(w, h, bVal); - } - } else { - for(FX_DWORD w = 0; w < GRW; w++) { - bVal = GRREFERENCE->getPixel(w, h); - if(TPGRON && (bVal == GRREFERENCE->getPixel(w - 1, h - 1)) - && (bVal == GRREFERENCE->getPixel(w, h - 1)) - && (bVal == GRREFERENCE->getPixel(w + 1, h - 1)) - && (bVal == GRREFERENCE->getPixel(w - 1, h)) - && (bVal == GRREFERENCE->getPixel(w + 1, h)) - && (bVal == GRREFERENCE->getPixel(w - 1, h + 1)) - && (bVal == GRREFERENCE->getPixel(w, h + 1)) - && (bVal == GRREFERENCE->getPixel(w + 1, h + 1))) { - TPGRPIX = 1; - TPGRVAL = bVal; - } else { - TPGRPIX = 0; - } - if(TPGRPIX) { - GRREG->setPixel(w, h, TPGRVAL); - } else { - CONTEXT = 0; - switch(GRTEMPLATE) { - case 0: - CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + 1, h - GRREFERENCEDY + 1); - CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX, h - GRREFERENCEDY + 1) << 1; - CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX - 1, h - GRREFERENCEDY + 1) << 2; - CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + 1, h - GRREFERENCEDY) << 3; - CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX, h - GRREFERENCEDY) << 4; - CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX - 1, h - GRREFERENCEDY) << 5; - CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + 1, h - GRREFERENCEDY - 1) << 6; - CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX, h - GRREFERENCEDY - 1) << 7; - CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + GRAT[2], h - GRREFERENCEDY + GRAT[3]) << 8; - CONTEXT |= GRREG->getPixel(w - 1, h) << 9; - CONTEXT |= GRREG->getPixel(w + 1, h - 1) << 10; - CONTEXT |= GRREG->getPixel(w, h - 1) << 11; - CONTEXT |= GRREG->getPixel(w + GRAT[0], h + GRAT[1]) << 12; - break; - case 1: - CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + 1, h - GRREFERENCEDY + 1); - CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX, h - GRREFERENCEDY + 1) << 1; - CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + 1, h - GRREFERENCEDY) << 2; - CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX, h - GRREFERENCEDY) << 3; - CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX - 1, h - GRREFERENCEDY) << 4; - CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX, h - GRREFERENCEDY - 1) << 5; - CONTEXT |= GRREG->getPixel(w - 1, h) << 6; - CONTEXT |= GRREG->getPixel(w + 1, h - 1) << 7; - CONTEXT |= GRREG->getPixel(w, h - 1) << 8; - CONTEXT |= GRREG->getPixel(w - 1, h - 1) << 9; - break; - } - bVal = pArithDecoder->DECODE(&grContext[CONTEXT]); - GRREG->setPixel(w, h, bVal); - } - } + CURT = nVal; + } + TI = STRIPT + CURT; + nVal = 0; + nBits = 0; + for (;;) { + if (pStream->read1Bit(&nTmp) != 0) { + m_pModule->JBig2_Error( + "text region decoding procedure (huffman): too short."); + goto failed; } - } - return GRREG; -} -CJBig2_Image *CJBig2_TRDProc::decode_Huffman(CJBig2_BitStream *pStream, JBig2ArithCtx *grContext) -{ - int32_t STRIPT, FIRSTS; - FX_DWORD NINSTANCES; - int32_t DT, DFS, CURS; - uint8_t CURT; - int32_t SI, TI; - FX_DWORD IDI; - CJBig2_Image *IBI; - FX_DWORD WI, HI; - int32_t IDS; - FX_BOOL RI; - int32_t RDWI, RDHI, RDXI, RDYI; - CJBig2_Image *IBOI; - FX_DWORD WOI, HOI; - CJBig2_Image *SBREG; - FX_BOOL bFirst; - FX_DWORD nTmp; - int32_t nVal, nBits; - CJBig2_HuffmanDecoder *pHuffmanDecoder; - CJBig2_GRRDProc *pGRRD; - CJBig2_ArithDecoder *pArithDecoder; - JBIG2_ALLOC(pHuffmanDecoder, CJBig2_HuffmanDecoder(pStream)); - JBIG2_ALLOC(SBREG, CJBig2_Image(SBW, SBH)); - SBREG->fill(SBDEFPIXEL); - if(pHuffmanDecoder->decodeAValue(SBHUFFDT, &STRIPT) != 0) { - m_pModule->JBig2_Error("text region decoding procedure (huffman): too short."); - goto failed; - } - STRIPT *= SBSTRIPS; - STRIPT = -STRIPT; - FIRSTS = 0; - NINSTANCES = 0; - while(NINSTANCES < SBNUMINSTANCES) { - if(pHuffmanDecoder->decodeAValue(SBHUFFDT, &DT) != 0) { - m_pModule->JBig2_Error("text region decoding procedure (huffman): too short."); - goto failed; + nVal = (nVal << 1) | nTmp; + nBits++; + for (IDI = 0; IDI < SBNUMSYMS; IDI++) { + if ((nBits == SBSYMCODES[IDI].codelen) && + (nVal == SBSYMCODES[IDI].code)) { + break; + } } - DT *= SBSTRIPS; - STRIPT = STRIPT + DT; - bFirst = TRUE; - for(;;) { - if(bFirst) { - if(pHuffmanDecoder->decodeAValue(SBHUFFFS, &DFS) != 0) { - m_pModule->JBig2_Error("text region decoding procedure (huffman): too short."); - goto failed; - } - FIRSTS = FIRSTS + DFS; - CURS = FIRSTS; - bFirst = FALSE; - } else { - nVal = pHuffmanDecoder->decodeAValue(SBHUFFDS, &IDS); - if(nVal == JBIG2_OOB) { - break; - } else if(nVal != 0) { - m_pModule->JBig2_Error("text region decoding procedure (huffman): too short."); - goto failed; - } else { - CURS = CURS + IDS + SBDSOFFSET; - } - } - if(SBSTRIPS == 1) { - CURT = 0; - } else { - nTmp = 1; - while((FX_DWORD)(1 << nTmp) < SBSTRIPS) { - nTmp ++; - } - if(pStream->readNBits(nTmp, &nVal) != 0) { - m_pModule->JBig2_Error("text region decoding procedure (huffman): too short."); - goto failed; - } - CURT = nVal; - } - TI = STRIPT + CURT; - nVal = 0; - nBits = 0; - for(;;) { - if(pStream->read1Bit(&nTmp) != 0) { - m_pModule->JBig2_Error("text region decoding procedure (huffman): too short."); - goto failed; - } - nVal = (nVal << 1) | nTmp; - nBits ++; - for(IDI = 0; IDI < SBNUMSYMS; IDI++) { - if((nBits == SBSYMCODES[IDI].codelen) && (nVal == SBSYMCODES[IDI].code)) { - break; - } - } - if(IDI < SBNUMSYMS) { - break; - } - } - if(SBREFINE == 0) { - RI = 0; - } else { - if(pStream->read1Bit(&RI) != 0) { - m_pModule->JBig2_Error("text region decoding procedure (huffman): too short."); - goto failed; - } - } - if(RI == 0) { - IBI = SBSYMS[IDI]; - } else { - if((pHuffmanDecoder->decodeAValue(SBHUFFRDW, &RDWI) != 0) - || (pHuffmanDecoder->decodeAValue(SBHUFFRDH, &RDHI) != 0) - || (pHuffmanDecoder->decodeAValue(SBHUFFRDX, &RDXI) != 0) - || (pHuffmanDecoder->decodeAValue(SBHUFFRDY, &RDYI) != 0) - || (pHuffmanDecoder->decodeAValue(SBHUFFRSIZE, &nVal) != 0)) { - m_pModule->JBig2_Error("text region decoding procedure (huffman): too short."); - goto failed; - } - pStream->alignByte(); - nTmp = pStream->getOffset(); - IBOI = SBSYMS[IDI]; - if (!IBOI) { - goto failed; - } - WOI = IBOI->m_nWidth; - HOI = IBOI->m_nHeight; - if ((int)(WOI + RDWI) < 0 || (int)(HOI + RDHI) < 0) { - m_pModule->JBig2_Error("text region decoding procedure (huffman): Invalid RDWI or RDHI value."); - goto failed; - } - JBIG2_ALLOC(pGRRD, CJBig2_GRRDProc()); - pGRRD->GRW = WOI + RDWI; - pGRRD->GRH = HOI + RDHI; - pGRRD->GRTEMPLATE = SBRTEMPLATE; - pGRRD->GRREFERENCE = IBOI; - pGRRD->GRREFERENCEDX = (RDWI >> 2) + RDXI; - pGRRD->GRREFERENCEDY = (RDHI >> 2) + RDYI; - pGRRD->TPGRON = 0; - pGRRD->GRAT[0] = SBRAT[0]; - pGRRD->GRAT[1] = SBRAT[1]; - pGRRD->GRAT[2] = SBRAT[2]; - pGRRD->GRAT[3] = SBRAT[3]; - JBIG2_ALLOC(pArithDecoder, CJBig2_ArithDecoder(pStream)); - IBI = pGRRD->decode(pArithDecoder, grContext); - if(IBI == NULL) { - delete pGRRD; - delete pArithDecoder; - goto failed; - } - delete pArithDecoder; - pStream->alignByte(); - pStream->offset(2); - if((FX_DWORD)nVal != (pStream->getOffset() - nTmp)) { - delete IBI; - delete pGRRD; - m_pModule->JBig2_Error("text region decoding procedure (huffman):" - "bytes processed by generic refinement region decoding procedure doesn't equal SBHUFFRSIZE."); - goto failed; - } - delete pGRRD; - } - if (!IBI) { - continue; - } - WI = IBI->m_nWidth; - HI = IBI->m_nHeight; - if(TRANSPOSED == 0 && ((REFCORNER == JBIG2_CORNER_TOPRIGHT) - || (REFCORNER == JBIG2_CORNER_BOTTOMRIGHT))) { - CURS = CURS + WI - 1; - } else if(TRANSPOSED == 1 && ((REFCORNER == JBIG2_CORNER_BOTTOMLEFT) - || (REFCORNER == JBIG2_CORNER_BOTTOMRIGHT))) { - CURS = CURS + HI - 1; - } - SI = CURS; - if(TRANSPOSED == 0) { - switch(REFCORNER) { - case JBIG2_CORNER_TOPLEFT: - SBREG->composeFrom(SI, TI, IBI, SBCOMBOP); - break; - case JBIG2_CORNER_TOPRIGHT: - SBREG->composeFrom(SI - WI + 1, TI, IBI, SBCOMBOP); - break; - case JBIG2_CORNER_BOTTOMLEFT: - SBREG->composeFrom(SI, TI - HI + 1, IBI, SBCOMBOP); - break; - case JBIG2_CORNER_BOTTOMRIGHT: - SBREG->composeFrom(SI - WI + 1, TI - HI + 1, IBI, SBCOMBOP); - break; - } - } else { - switch(REFCORNER) { - case JBIG2_CORNER_TOPLEFT: - SBREG->composeFrom(TI, SI, IBI, SBCOMBOP); - break; - case JBIG2_CORNER_TOPRIGHT: - SBREG->composeFrom(TI - WI + 1, SI, IBI, SBCOMBOP); - break; - case JBIG2_CORNER_BOTTOMLEFT: - SBREG->composeFrom(TI, SI - HI + 1, IBI, SBCOMBOP); - break; - case JBIG2_CORNER_BOTTOMRIGHT: - SBREG->composeFrom(TI - WI + 1, SI - HI + 1, IBI, SBCOMBOP); - break; - } - } - if(RI != 0) { - delete IBI; - } - if(TRANSPOSED == 0 && ((REFCORNER == JBIG2_CORNER_TOPLEFT) - || (REFCORNER == JBIG2_CORNER_BOTTOMLEFT))) { - CURS = CURS + WI - 1; - } else if(TRANSPOSED == 1 && ((REFCORNER == JBIG2_CORNER_TOPLEFT) - || (REFCORNER == JBIG2_CORNER_TOPRIGHT))) { - CURS = CURS + HI - 1; - } - NINSTANCES = NINSTANCES + 1; + if (IDI < SBNUMSYMS) { + break; } - } - delete pHuffmanDecoder; - return SBREG; -failed: - delete pHuffmanDecoder; - delete SBREG; - return NULL; -} -CJBig2_Image *CJBig2_TRDProc::decode_Arith(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *grContext, - JBig2IntDecoderState *pIDS) -{ - int32_t STRIPT, FIRSTS; - FX_DWORD NINSTANCES; - int32_t DT, DFS, CURS; - int32_t CURT; - int32_t SI, TI; - FX_DWORD IDI; - CJBig2_Image *IBI; - FX_DWORD WI, HI; - int32_t IDS; - int RI; - int32_t RDWI, RDHI, RDXI, RDYI; - CJBig2_Image *IBOI; - FX_DWORD WOI, HOI; - CJBig2_Image *SBREG; - FX_BOOL bFirst; - int32_t nRet, nVal; - int32_t bRetained; - CJBig2_ArithIntDecoder *IADT, *IAFS, *IADS, *IAIT, *IARI, *IARDW, *IARDH, *IARDX, *IARDY; - CJBig2_ArithIaidDecoder *IAID; - CJBig2_GRRDProc *pGRRD; - if(pIDS) { - IADT = pIDS->IADT; - IAFS = pIDS->IAFS; - IADS = pIDS->IADS; - IAIT = pIDS->IAIT; - IARI = pIDS->IARI; - IARDW = pIDS->IARDW; - IARDH = pIDS->IARDH; - IARDX = pIDS->IARDX; - IARDY = pIDS->IARDY; - IAID = pIDS->IAID; - bRetained = TRUE; - } else { - JBIG2_ALLOC(IADT, CJBig2_ArithIntDecoder()); - JBIG2_ALLOC(IAFS, CJBig2_ArithIntDecoder()); - JBIG2_ALLOC(IADS, CJBig2_ArithIntDecoder()); - JBIG2_ALLOC(IAIT, CJBig2_ArithIntDecoder()); - JBIG2_ALLOC(IARI, CJBig2_ArithIntDecoder()); - JBIG2_ALLOC(IARDW, CJBig2_ArithIntDecoder()); - JBIG2_ALLOC(IARDH, CJBig2_ArithIntDecoder()); - JBIG2_ALLOC(IARDX, CJBig2_ArithIntDecoder()); - JBIG2_ALLOC(IARDY, CJBig2_ArithIntDecoder()); - JBIG2_ALLOC(IAID , CJBig2_ArithIaidDecoder(SBSYMCODELEN)); - bRetained = FALSE; - } - JBIG2_ALLOC(SBREG, CJBig2_Image(SBW, SBH)); - SBREG->fill(SBDEFPIXEL); - if(IADT->decode(pArithDecoder, &STRIPT) == -1) { - m_pModule->JBig2_Error("text region decoding procedure (arith): too short."); - goto failed; - } - STRIPT *= SBSTRIPS; - STRIPT = -STRIPT; - FIRSTS = 0; - NINSTANCES = 0; - while(NINSTANCES < SBNUMINSTANCES) { - if(IADT->decode(pArithDecoder, &DT) == -1) { - m_pModule->JBig2_Error("text region decoding procedure (arith): too short."); - goto failed; + } + if (SBREFINE == 0) { + RI = 0; + } else { + if (pStream->read1Bit(&RI) != 0) { + m_pModule->JBig2_Error( + "text region decoding procedure (huffman): too short."); + goto failed; } - DT *= SBSTRIPS; - STRIPT = STRIPT + DT; - bFirst = TRUE; - for(;;) { - if(bFirst) { - if(IAFS->decode(pArithDecoder, &DFS) == -1) { - m_pModule->JBig2_Error("text region decoding procedure (arith): too short."); - goto failed; - } - FIRSTS = FIRSTS + DFS; - CURS = FIRSTS; - bFirst = FALSE; - } else { - nRet = IADS->decode(pArithDecoder, &IDS); - if(nRet == JBIG2_OOB) { - break; - } else if(nRet != 0) { - m_pModule->JBig2_Error("text region decoding procedure (arith): too short."); - goto failed; - } else { - CURS = CURS + IDS + SBDSOFFSET; - } - } - if (NINSTANCES >= SBNUMINSTANCES) { - break; - } - if(SBSTRIPS == 1) { - CURT = 0; - } else { - if(IAIT->decode(pArithDecoder, &nVal) == -1) { - m_pModule->JBig2_Error("text region decoding procedure (arith): too short."); - goto failed; - } - CURT = nVal; - } - TI = STRIPT + CURT; - if(IAID->decode(pArithDecoder, &nVal) == -1) { - m_pModule->JBig2_Error("text region decoding procedure (arith): too short."); - goto failed; - } - IDI = nVal; - if(IDI >= SBNUMSYMS) { - m_pModule->JBig2_Error("text region decoding procedure (arith): symbol id out of range.(%d/%d)", - IDI, SBNUMSYMS); - goto failed; - } - if(SBREFINE == 0) { - RI = 0; - } else { - if(IARI->decode(pArithDecoder, &RI) == -1) { - m_pModule->JBig2_Error("text region decoding procedure (arith): too short."); - goto failed; - } - } - if (!SBSYMS[IDI]) { - goto failed; - } - if(RI == 0) { - IBI = SBSYMS[IDI]; - } else { - if((IARDW->decode(pArithDecoder, &RDWI) == -1) - || (IARDH->decode(pArithDecoder, &RDHI) == -1) - || (IARDX->decode(pArithDecoder, &RDXI) == -1) - || (IARDY->decode(pArithDecoder, &RDYI) == -1)) { - m_pModule->JBig2_Error("text region decoding procedure (arith): too short."); - goto failed; - } - IBOI = SBSYMS[IDI]; - WOI = IBOI->m_nWidth; - HOI = IBOI->m_nHeight; - if ((int)(WOI + RDWI) < 0 || (int)(HOI + RDHI) < 0) { - m_pModule->JBig2_Error("text region decoding procedure (arith): Invalid RDWI or RDHI value."); - goto failed; - } - JBIG2_ALLOC(pGRRD, CJBig2_GRRDProc()); - pGRRD->GRW = WOI + RDWI; - pGRRD->GRH = HOI + RDHI; - pGRRD->GRTEMPLATE = SBRTEMPLATE; - pGRRD->GRREFERENCE = IBOI; - pGRRD->GRREFERENCEDX = (RDWI >> 1) + RDXI; - pGRRD->GRREFERENCEDY = (RDHI >> 1) + RDYI; - pGRRD->TPGRON = 0; - pGRRD->GRAT[0] = SBRAT[0]; - pGRRD->GRAT[1] = SBRAT[1]; - pGRRD->GRAT[2] = SBRAT[2]; - pGRRD->GRAT[3] = SBRAT[3]; - IBI = pGRRD->decode(pArithDecoder, grContext); - if(IBI == NULL) { - delete pGRRD; - goto failed; - } - delete pGRRD; - } - WI = IBI->m_nWidth; - HI = IBI->m_nHeight; - if(TRANSPOSED == 0 && ((REFCORNER == JBIG2_CORNER_TOPRIGHT) - || (REFCORNER == JBIG2_CORNER_BOTTOMRIGHT))) { - CURS = CURS + WI - 1; - } else if(TRANSPOSED == 1 && ((REFCORNER == JBIG2_CORNER_BOTTOMLEFT) - || (REFCORNER == JBIG2_CORNER_BOTTOMRIGHT))) { - CURS = CURS + HI - 1; - } - SI = CURS; - if(TRANSPOSED == 0) { - switch(REFCORNER) { - case JBIG2_CORNER_TOPLEFT: - SBREG->composeFrom(SI, TI, IBI, SBCOMBOP); - break; - case JBIG2_CORNER_TOPRIGHT: - SBREG->composeFrom(SI - WI + 1, TI, IBI, SBCOMBOP); - break; - case JBIG2_CORNER_BOTTOMLEFT: - SBREG->composeFrom(SI, TI - HI + 1, IBI, SBCOMBOP); - break; - case JBIG2_CORNER_BOTTOMRIGHT: - SBREG->composeFrom(SI - WI + 1, TI - HI + 1, IBI, SBCOMBOP); - break; - } - } else { - switch(REFCORNER) { - case JBIG2_CORNER_TOPLEFT: - SBREG->composeFrom(TI, SI, IBI, SBCOMBOP); - break; - case JBIG2_CORNER_TOPRIGHT: - SBREG->composeFrom(TI - WI + 1, SI, IBI, SBCOMBOP); - break; - case JBIG2_CORNER_BOTTOMLEFT: - SBREG->composeFrom(TI, SI - HI + 1, IBI, SBCOMBOP); - break; - case JBIG2_CORNER_BOTTOMRIGHT: - SBREG->composeFrom(TI - WI + 1, SI - HI + 1, IBI, SBCOMBOP); - break; - } - } - if(RI != 0) { - delete IBI; - } - if(TRANSPOSED == 0 && ((REFCORNER == JBIG2_CORNER_TOPLEFT) - || (REFCORNER == JBIG2_CORNER_BOTTOMLEFT))) { - CURS = CURS + WI - 1; - } else if(TRANSPOSED == 1 && ((REFCORNER == JBIG2_CORNER_TOPLEFT) - || (REFCORNER == JBIG2_CORNER_TOPRIGHT))) { - CURS = CURS + HI - 1; - } - NINSTANCES = NINSTANCES + 1; + } + if (RI == 0) { + IBI = SBSYMS[IDI]; + } else { + if ((pHuffmanDecoder->decodeAValue(SBHUFFRDW, &RDWI) != 0) || + (pHuffmanDecoder->decodeAValue(SBHUFFRDH, &RDHI) != 0) || + (pHuffmanDecoder->decodeAValue(SBHUFFRDX, &RDXI) != 0) || + (pHuffmanDecoder->decodeAValue(SBHUFFRDY, &RDYI) != 0) || + (pHuffmanDecoder->decodeAValue(SBHUFFRSIZE, &nVal) != 0)) { + m_pModule->JBig2_Error( + "text region decoding procedure (huffman): too short."); + goto failed; } + pStream->alignByte(); + nTmp = pStream->getOffset(); + IBOI = SBSYMS[IDI]; + if (!IBOI) { + goto failed; + } + WOI = IBOI->m_nWidth; + HOI = IBOI->m_nHeight; + if ((int)(WOI + RDWI) < 0 || (int)(HOI + RDHI) < 0) { + m_pModule->JBig2_Error( + "text region decoding procedure (huffman): Invalid RDWI or RDHI " + "value."); + goto failed; + } + JBIG2_ALLOC(pGRRD, CJBig2_GRRDProc()); + pGRRD->GRW = WOI + RDWI; + pGRRD->GRH = HOI + RDHI; + pGRRD->GRTEMPLATE = SBRTEMPLATE; + pGRRD->GRREFERENCE = IBOI; + pGRRD->GRREFERENCEDX = (RDWI >> 2) + RDXI; + pGRRD->GRREFERENCEDY = (RDHI >> 2) + RDYI; + pGRRD->TPGRON = 0; + pGRRD->GRAT[0] = SBRAT[0]; + pGRRD->GRAT[1] = SBRAT[1]; + pGRRD->GRAT[2] = SBRAT[2]; + pGRRD->GRAT[3] = SBRAT[3]; + JBIG2_ALLOC(pArithDecoder, CJBig2_ArithDecoder(pStream)); + IBI = pGRRD->decode(pArithDecoder, grContext); + if (IBI == NULL) { + delete pGRRD; + delete pArithDecoder; + goto failed; + } + delete pArithDecoder; + pStream->alignByte(); + pStream->offset(2); + if ((FX_DWORD)nVal != (pStream->getOffset() - nTmp)) { + delete IBI; + delete pGRRD; + m_pModule->JBig2_Error( + "text region decoding procedure (huffman):" + "bytes processed by generic refinement region decoding procedure " + "doesn't equal SBHUFFRSIZE."); + goto failed; + } + delete pGRRD; + } + if (!IBI) { + continue; + } + WI = IBI->m_nWidth; + HI = IBI->m_nHeight; + if (TRANSPOSED == 0 && ((REFCORNER == JBIG2_CORNER_TOPRIGHT) || + (REFCORNER == JBIG2_CORNER_BOTTOMRIGHT))) { + CURS = CURS + WI - 1; + } else if (TRANSPOSED == 1 && ((REFCORNER == JBIG2_CORNER_BOTTOMLEFT) || + (REFCORNER == JBIG2_CORNER_BOTTOMRIGHT))) { + CURS = CURS + HI - 1; + } + SI = CURS; + if (TRANSPOSED == 0) { + switch (REFCORNER) { + case JBIG2_CORNER_TOPLEFT: + SBREG->composeFrom(SI, TI, IBI, SBCOMBOP); + break; + case JBIG2_CORNER_TOPRIGHT: + SBREG->composeFrom(SI - WI + 1, TI, IBI, SBCOMBOP); + break; + case JBIG2_CORNER_BOTTOMLEFT: + SBREG->composeFrom(SI, TI - HI + 1, IBI, SBCOMBOP); + break; + case JBIG2_CORNER_BOTTOMRIGHT: + SBREG->composeFrom(SI - WI + 1, TI - HI + 1, IBI, SBCOMBOP); + break; + } + } else { + switch (REFCORNER) { + case JBIG2_CORNER_TOPLEFT: + SBREG->composeFrom(TI, SI, IBI, SBCOMBOP); + break; + case JBIG2_CORNER_TOPRIGHT: + SBREG->composeFrom(TI - WI + 1, SI, IBI, SBCOMBOP); + break; + case JBIG2_CORNER_BOTTOMLEFT: + SBREG->composeFrom(TI, SI - HI + 1, IBI, SBCOMBOP); + break; + case JBIG2_CORNER_BOTTOMRIGHT: + SBREG->composeFrom(TI - WI + 1, SI - HI + 1, IBI, SBCOMBOP); + break; + } + } + if (RI != 0) { + delete IBI; + } + if (TRANSPOSED == 0 && ((REFCORNER == JBIG2_CORNER_TOPLEFT) || + (REFCORNER == JBIG2_CORNER_BOTTOMLEFT))) { + CURS = CURS + WI - 1; + } else if (TRANSPOSED == 1 && ((REFCORNER == JBIG2_CORNER_TOPLEFT) || + (REFCORNER == JBIG2_CORNER_TOPRIGHT))) { + CURS = CURS + HI - 1; + } + NINSTANCES = NINSTANCES + 1; } - if(bRetained == FALSE) { - delete IADT; - delete IAFS; - delete IADS; - delete IAIT; - delete IARI; - delete IARDW; - delete IARDH; - delete IARDX; - delete IARDY; - delete IAID; - } - return SBREG; + } + delete pHuffmanDecoder; + return SBREG; failed: - if(bRetained == FALSE) { - delete IADT; - delete IAFS; - delete IADS; - delete IAIT; - delete IARI; - delete IARDW; - delete IARDH; - delete IARDX; - delete IARDY; - delete IAID; - } - delete SBREG; - return NULL; + delete pHuffmanDecoder; + delete SBREG; + return NULL; } -CJBig2_SymbolDict *CJBig2_SDDProc::decode_Arith(CJBig2_ArithDecoder *pArithDecoder, - JBig2ArithCtx *gbContext, JBig2ArithCtx *grContext) -{ - CJBig2_Image **SDNEWSYMS; - FX_DWORD HCHEIGHT, NSYMSDECODED; - int32_t HCDH; - FX_DWORD SYMWIDTH, TOTWIDTH; - int32_t DW; - CJBig2_Image *BS; - FX_DWORD I, J, REFAGGNINST; - FX_BOOL *EXFLAGS; - FX_DWORD EXINDEX; - FX_BOOL CUREXFLAG; - FX_DWORD EXRUNLENGTH; - int32_t nVal; - FX_DWORD nTmp; - FX_DWORD SBNUMSYMS; - uint8_t SBSYMCODELEN; - FX_DWORD IDI; - int32_t RDXI, RDYI; - CJBig2_Image **SBSYMS; - CJBig2_HuffmanTable *SBHUFFFS, *SBHUFFDS, *SBHUFFDT, *SBHUFFRDW, *SBHUFFRDH, *SBHUFFRDX, *SBHUFFRDY, - *SBHUFFRSIZE; - CJBig2_GRRDProc *pGRRD; - CJBig2_GRDProc *pGRD; - CJBig2_ArithIntDecoder *IADH, *IADW, *IAAI, *IARDX, *IARDY, *IAEX, - *IADT, *IAFS, *IADS, *IAIT, *IARI, *IARDW, *IARDH; - CJBig2_ArithIaidDecoder *IAID; - CJBig2_SymbolDict *pDict; - JBIG2_ALLOC(IADH, CJBig2_ArithIntDecoder()); - JBIG2_ALLOC(IADW, CJBig2_ArithIntDecoder()); - JBIG2_ALLOC(IAAI, CJBig2_ArithIntDecoder()); - JBIG2_ALLOC(IARDX, CJBig2_ArithIntDecoder()); - JBIG2_ALLOC(IARDY, CJBig2_ArithIntDecoder()); - JBIG2_ALLOC(IAEX, CJBig2_ArithIntDecoder()); +CJBig2_Image* CJBig2_TRDProc::decode_Arith(CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* grContext, + JBig2IntDecoderState* pIDS) { + int32_t STRIPT, FIRSTS; + FX_DWORD NINSTANCES; + int32_t DT, DFS, CURS; + int32_t CURT; + int32_t SI, TI; + FX_DWORD IDI; + CJBig2_Image* IBI; + FX_DWORD WI, HI; + int32_t IDS; + int RI; + int32_t RDWI, RDHI, RDXI, RDYI; + CJBig2_Image* IBOI; + FX_DWORD WOI, HOI; + CJBig2_Image* SBREG; + FX_BOOL bFirst; + int32_t nRet, nVal; + int32_t bRetained; + CJBig2_ArithIntDecoder *IADT, *IAFS, *IADS, *IAIT, *IARI, *IARDW, *IARDH, + *IARDX, *IARDY; + CJBig2_ArithIaidDecoder* IAID; + CJBig2_GRRDProc* pGRRD; + if (pIDS) { + IADT = pIDS->IADT; + IAFS = pIDS->IAFS; + IADS = pIDS->IADS; + IAIT = pIDS->IAIT; + IARI = pIDS->IARI; + IARDW = pIDS->IARDW; + IARDH = pIDS->IARDH; + IARDX = pIDS->IARDX; + IARDY = pIDS->IARDY; + IAID = pIDS->IAID; + bRetained = TRUE; + } else { JBIG2_ALLOC(IADT, CJBig2_ArithIntDecoder()); JBIG2_ALLOC(IAFS, CJBig2_ArithIntDecoder()); JBIG2_ALLOC(IADS, CJBig2_ArithIntDecoder()); @@ -2370,269 +2278,186 @@ CJBig2_SymbolDict *CJBig2_SDDProc::decode_Arith(CJBig2_ArithDecoder *pArithDecod JBIG2_ALLOC(IARI, CJBig2_ArithIntDecoder()); JBIG2_ALLOC(IARDW, CJBig2_ArithIntDecoder()); JBIG2_ALLOC(IARDH, CJBig2_ArithIntDecoder()); - nTmp = 0; - while((FX_DWORD)(1 << nTmp) < (SDNUMINSYMS + SDNUMNEWSYMS)) { - nTmp ++; + JBIG2_ALLOC(IARDX, CJBig2_ArithIntDecoder()); + JBIG2_ALLOC(IARDY, CJBig2_ArithIntDecoder()); + JBIG2_ALLOC(IAID, CJBig2_ArithIaidDecoder(SBSYMCODELEN)); + bRetained = FALSE; + } + JBIG2_ALLOC(SBREG, CJBig2_Image(SBW, SBH)); + SBREG->fill(SBDEFPIXEL); + if (IADT->decode(pArithDecoder, &STRIPT) == -1) { + m_pModule->JBig2_Error( + "text region decoding procedure (arith): too short."); + goto failed; + } + STRIPT *= SBSTRIPS; + STRIPT = -STRIPT; + FIRSTS = 0; + NINSTANCES = 0; + while (NINSTANCES < SBNUMINSTANCES) { + if (IADT->decode(pArithDecoder, &DT) == -1) { + m_pModule->JBig2_Error( + "text region decoding procedure (arith): too short."); + goto failed; } - JBIG2_ALLOC(IAID, CJBig2_ArithIaidDecoder((uint8_t)nTmp)); - SDNEWSYMS = (CJBig2_Image**)m_pModule->JBig2_Malloc2(SDNUMNEWSYMS, sizeof(CJBig2_Image*)); - FXSYS_memset(SDNEWSYMS, 0 , SDNUMNEWSYMS * sizeof(CJBig2_Image*)); - HCHEIGHT = 0; - NSYMSDECODED = 0; - while(NSYMSDECODED < SDNUMNEWSYMS) { - BS = NULL; - if(IADH->decode(pArithDecoder, &HCDH) == -1) { - m_pModule->JBig2_Error("symbol dictionary decoding procedure (arith): too short."); - goto failed; + DT *= SBSTRIPS; + STRIPT = STRIPT + DT; + bFirst = TRUE; + for (;;) { + if (bFirst) { + if (IAFS->decode(pArithDecoder, &DFS) == -1) { + m_pModule->JBig2_Error( + "text region decoding procedure (arith): too short."); + goto failed; } - HCHEIGHT = HCHEIGHT + HCDH; - if ((int)HCHEIGHT < 0 || (int)HCHEIGHT > JBIG2_MAX_IMAGE_SIZE) { - m_pModule->JBig2_Error("symbol dictionary decoding procedure (arith): invalid HCHEIGHT value."); - goto failed; + FIRSTS = FIRSTS + DFS; + CURS = FIRSTS; + bFirst = FALSE; + } else { + nRet = IADS->decode(pArithDecoder, &IDS); + if (nRet == JBIG2_OOB) { + break; + } else if (nRet != 0) { + m_pModule->JBig2_Error( + "text region decoding procedure (arith): too short."); + goto failed; + } else { + CURS = CURS + IDS + SBDSOFFSET; } - SYMWIDTH = 0; - TOTWIDTH = 0; - for(;;) { - nVal = IADW->decode(pArithDecoder, &DW); - if(nVal == JBIG2_OOB) { - break; - } else if(nVal != 0) { - m_pModule->JBig2_Error("symbol dictionary decoding procedure (arith): too short."); - goto failed; - } else { - if (NSYMSDECODED >= SDNUMNEWSYMS) { - m_pModule->JBig2_Error("symbol dictionary decoding procedure (arith): NSYMSDECODED >= SDNUMNEWSYMS."); - goto failed; - } - SYMWIDTH = SYMWIDTH + DW; - if ((int)SYMWIDTH < 0 || (int)SYMWIDTH > JBIG2_MAX_IMAGE_SIZE) { - m_pModule->JBig2_Error("symbol dictionary decoding procedure (arith): invalid SYMWIDTH value."); - goto failed; - } else if (HCHEIGHT == 0 || SYMWIDTH == 0) { - TOTWIDTH = TOTWIDTH + SYMWIDTH; - SDNEWSYMS[NSYMSDECODED] = NULL; - NSYMSDECODED = NSYMSDECODED + 1; - continue; - } - TOTWIDTH = TOTWIDTH + SYMWIDTH; - } - if(SDREFAGG == 0) { - JBIG2_ALLOC(pGRD, CJBig2_GRDProc()); - pGRD->MMR = 0; - pGRD->GBW = SYMWIDTH; - pGRD->GBH = HCHEIGHT; - pGRD->GBTEMPLATE = SDTEMPLATE; - pGRD->TPGDON = 0; - pGRD->USESKIP = 0; - pGRD->GBAT[0] = SDAT[0]; - pGRD->GBAT[1] = SDAT[1]; - pGRD->GBAT[2] = SDAT[2]; - pGRD->GBAT[3] = SDAT[3]; - pGRD->GBAT[4] = SDAT[4]; - pGRD->GBAT[5] = SDAT[5]; - pGRD->GBAT[6] = SDAT[6]; - pGRD->GBAT[7] = SDAT[7]; - BS = pGRD->decode_Arith(pArithDecoder, gbContext); - if(BS == NULL) { - delete pGRD; - goto failed; - } - delete pGRD; - } else { - if(IAAI->decode(pArithDecoder, (int*)&REFAGGNINST) == -1) { - m_pModule->JBig2_Error("symbol dictionary decoding procedure (arith): too short."); - goto failed; - } - if(REFAGGNINST > 1) { - CJBig2_TRDProc *pDecoder; - JBIG2_ALLOC(pDecoder, CJBig2_TRDProc()); - pDecoder->SBHUFF = SDHUFF; - pDecoder->SBREFINE = 1; - pDecoder->SBW = SYMWIDTH; - pDecoder->SBH = HCHEIGHT; - pDecoder->SBNUMINSTANCES = REFAGGNINST; - pDecoder->SBSTRIPS = 1; - pDecoder->SBNUMSYMS = SDNUMINSYMS + NSYMSDECODED; - SBNUMSYMS = pDecoder->SBNUMSYMS; - nTmp = 0; - while((FX_DWORD)(1 << nTmp) < SBNUMSYMS) { - nTmp ++; - } - SBSYMCODELEN = (uint8_t)nTmp; - pDecoder->SBSYMCODELEN = SBSYMCODELEN; - SBSYMS = (CJBig2_Image**)m_pModule->JBig2_Malloc2(SBNUMSYMS, sizeof(CJBig2_Image*)); - JBIG2_memcpy(SBSYMS, SDINSYMS, SDNUMINSYMS * sizeof(CJBig2_Image*)); - JBIG2_memcpy(SBSYMS + SDNUMINSYMS, SDNEWSYMS, NSYMSDECODED * sizeof(CJBig2_Image*)); - pDecoder->SBSYMS = SBSYMS; - pDecoder->SBDEFPIXEL = 0; - pDecoder->SBCOMBOP = JBIG2_COMPOSE_OR; - pDecoder->TRANSPOSED = 0; - pDecoder->REFCORNER = JBIG2_CORNER_TOPLEFT; - pDecoder->SBDSOFFSET = 0; - JBIG2_ALLOC(SBHUFFFS, CJBig2_HuffmanTable(HuffmanTable_B6, - sizeof(HuffmanTable_B6) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B6)); - JBIG2_ALLOC(SBHUFFDS, CJBig2_HuffmanTable(HuffmanTable_B8, - sizeof(HuffmanTable_B8) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B8)); - JBIG2_ALLOC(SBHUFFDT, CJBig2_HuffmanTable(HuffmanTable_B11, - sizeof(HuffmanTable_B11) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B11)); - JBIG2_ALLOC(SBHUFFRDW, CJBig2_HuffmanTable(HuffmanTable_B15, - sizeof(HuffmanTable_B15) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B15)); - JBIG2_ALLOC(SBHUFFRDH, CJBig2_HuffmanTable(HuffmanTable_B15, - sizeof(HuffmanTable_B15) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B15)); - JBIG2_ALLOC(SBHUFFRDX, CJBig2_HuffmanTable(HuffmanTable_B15, - sizeof(HuffmanTable_B15) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B15)); - JBIG2_ALLOC(SBHUFFRDY, CJBig2_HuffmanTable(HuffmanTable_B15, - sizeof(HuffmanTable_B15) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B15)); - JBIG2_ALLOC(SBHUFFRSIZE, CJBig2_HuffmanTable(HuffmanTable_B1, - sizeof(HuffmanTable_B1) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B1)); - pDecoder->SBHUFFFS = SBHUFFFS; - pDecoder->SBHUFFDS = SBHUFFDS; - pDecoder->SBHUFFDT = SBHUFFDT; - pDecoder->SBHUFFRDW = SBHUFFRDW; - pDecoder->SBHUFFRDH = SBHUFFRDH; - pDecoder->SBHUFFRDX = SBHUFFRDX; - pDecoder->SBHUFFRDY = SBHUFFRDY; - pDecoder->SBHUFFRSIZE = SBHUFFRSIZE; - pDecoder->SBRTEMPLATE = SDRTEMPLATE; - pDecoder->SBRAT[0] = SDRAT[0]; - pDecoder->SBRAT[1] = SDRAT[1]; - pDecoder->SBRAT[2] = SDRAT[2]; - pDecoder->SBRAT[3] = SDRAT[3]; - JBig2IntDecoderState ids; - ids.IADT = IADT; - ids.IAFS = IAFS; - ids.IADS = IADS; - ids.IAIT = IAIT; - ids.IARI = IARI; - ids.IARDW = IARDW; - ids.IARDH = IARDH; - ids.IARDX = IARDX; - ids.IARDY = IARDY; - ids.IAID = IAID; - BS = pDecoder->decode_Arith(pArithDecoder, grContext, &ids); - if(BS == NULL) { - m_pModule->JBig2_Free(SBSYMS); - delete SBHUFFFS; - delete SBHUFFDS; - delete SBHUFFDT; - delete SBHUFFRDW; - delete SBHUFFRDH; - delete SBHUFFRDX; - delete SBHUFFRDY; - delete SBHUFFRSIZE; - delete pDecoder; - goto failed; - } - m_pModule->JBig2_Free(SBSYMS); - delete SBHUFFFS; - delete SBHUFFDS; - delete SBHUFFDT; - delete SBHUFFRDW; - delete SBHUFFRDH; - delete SBHUFFRDX; - delete SBHUFFRDY; - delete SBHUFFRSIZE; - delete pDecoder; - } else if(REFAGGNINST == 1) { - SBNUMSYMS = SDNUMINSYMS + NSYMSDECODED; - if(IAID->decode(pArithDecoder, (int*)&IDI) == -1) { - m_pModule->JBig2_Error("symbol dictionary decoding procedure (arith): too short."); - goto failed; - } - if((IARDX->decode(pArithDecoder, &RDXI) == -1) - || (IARDY->decode(pArithDecoder, &RDYI) == -1)) { - m_pModule->JBig2_Error("symbol dictionary decoding procedure (arith): too short."); - goto failed; - } - if (IDI >= SBNUMSYMS) { - m_pModule->JBig2_Error("symbol dictionary decoding procedure (arith):" - " refinement references unknown symbol %d", IDI); - goto failed; - } - SBSYMS = (CJBig2_Image**)m_pModule->JBig2_Malloc2(SBNUMSYMS, sizeof(CJBig2_Image*)); - JBIG2_memcpy(SBSYMS, SDINSYMS, SDNUMINSYMS * sizeof(CJBig2_Image*)); - JBIG2_memcpy(SBSYMS + SDNUMINSYMS, SDNEWSYMS, NSYMSDECODED * sizeof(CJBig2_Image*)); - if (!SBSYMS[IDI]) { - m_pModule->JBig2_Free(SBSYMS); - goto failed; - } - JBIG2_ALLOC(pGRRD, CJBig2_GRRDProc()); - pGRRD->GRW = SYMWIDTH; - pGRRD->GRH = HCHEIGHT; - pGRRD->GRTEMPLATE = SDRTEMPLATE; - pGRRD->GRREFERENCE = SBSYMS[IDI]; - pGRRD->GRREFERENCEDX = RDXI; - pGRRD->GRREFERENCEDY = RDYI; - pGRRD->TPGRON = 0; - pGRRD->GRAT[0] = SDRAT[0]; - pGRRD->GRAT[1] = SDRAT[1]; - pGRRD->GRAT[2] = SDRAT[2]; - pGRRD->GRAT[3] = SDRAT[3]; - BS = pGRRD->decode(pArithDecoder, grContext); - if(BS == NULL) { - m_pModule->JBig2_Free(SBSYMS); - delete pGRRD; - goto failed; - } - m_pModule->JBig2_Free(SBSYMS); - delete pGRRD; - } - } - SDNEWSYMS[NSYMSDECODED] = BS; - BS = NULL; - NSYMSDECODED = NSYMSDECODED + 1; + } + if (NINSTANCES >= SBNUMINSTANCES) { + break; + } + if (SBSTRIPS == 1) { + CURT = 0; + } else { + if (IAIT->decode(pArithDecoder, &nVal) == -1) { + m_pModule->JBig2_Error( + "text region decoding procedure (arith): too short."); + goto failed; } - } - EXINDEX = 0; - CUREXFLAG = 0; - EXFLAGS = (FX_BOOL*)m_pModule->JBig2_Malloc2(sizeof(FX_BOOL), (SDNUMINSYMS + SDNUMNEWSYMS)); - while(EXINDEX < SDNUMINSYMS + SDNUMNEWSYMS) { - if(IAEX->decode(pArithDecoder, (int*)&EXRUNLENGTH) == -1) { - m_pModule->JBig2_Free(EXFLAGS); - m_pModule->JBig2_Error("symbol dictionary decoding procedure (arith): too short."); - goto failed; + CURT = nVal; + } + TI = STRIPT + CURT; + if (IAID->decode(pArithDecoder, &nVal) == -1) { + m_pModule->JBig2_Error( + "text region decoding procedure (arith): too short."); + goto failed; + } + IDI = nVal; + if (IDI >= SBNUMSYMS) { + m_pModule->JBig2_Error( + "text region decoding procedure (arith): symbol id out of " + "range.(%d/%d)", + IDI, SBNUMSYMS); + goto failed; + } + if (SBREFINE == 0) { + RI = 0; + } else { + if (IARI->decode(pArithDecoder, &RI) == -1) { + m_pModule->JBig2_Error( + "text region decoding procedure (arith): too short."); + goto failed; } - if (EXINDEX + EXRUNLENGTH > SDNUMINSYMS + SDNUMNEWSYMS) { - m_pModule->JBig2_Free(EXFLAGS); - m_pModule->JBig2_Error("symbol dictionary decoding procedure (arith): Invalid EXRUNLENGTH value."); - goto failed; + } + if (!SBSYMS[IDI]) { + goto failed; + } + if (RI == 0) { + IBI = SBSYMS[IDI]; + } else { + if ((IARDW->decode(pArithDecoder, &RDWI) == -1) || + (IARDH->decode(pArithDecoder, &RDHI) == -1) || + (IARDX->decode(pArithDecoder, &RDXI) == -1) || + (IARDY->decode(pArithDecoder, &RDYI) == -1)) { + m_pModule->JBig2_Error( + "text region decoding procedure (arith): too short."); + goto failed; } - if(EXRUNLENGTH != 0) { - for(I = EXINDEX; I < EXINDEX + EXRUNLENGTH; I++) { - EXFLAGS[I] = CUREXFLAG; - } + IBOI = SBSYMS[IDI]; + WOI = IBOI->m_nWidth; + HOI = IBOI->m_nHeight; + if ((int)(WOI + RDWI) < 0 || (int)(HOI + RDHI) < 0) { + m_pModule->JBig2_Error( + "text region decoding procedure (arith): Invalid RDWI or RDHI " + "value."); + goto failed; } - EXINDEX = EXINDEX + EXRUNLENGTH; - CUREXFLAG = !CUREXFLAG; - } - JBIG2_ALLOC(pDict, CJBig2_SymbolDict()); - pDict->SDNUMEXSYMS = SDNUMEXSYMS; - pDict->SDEXSYMS = (CJBig2_Image**)m_pModule->JBig2_Malloc2(sizeof(CJBig2_Image*), SDNUMEXSYMS); - I = J = 0; - for(I = 0; I < SDNUMINSYMS + SDNUMNEWSYMS; I++) { - if(EXFLAGS[I] && J < SDNUMEXSYMS) { - if(I < SDNUMINSYMS) { - JBIG2_ALLOC(pDict->SDEXSYMS[J], CJBig2_Image(*SDINSYMS[I])); - } else { - pDict->SDEXSYMS[J] = SDNEWSYMS[I - SDNUMINSYMS]; - } - J = J + 1; - } else if (!EXFLAGS[I] && I >= SDNUMINSYMS) { - delete SDNEWSYMS[I - SDNUMINSYMS]; + JBIG2_ALLOC(pGRRD, CJBig2_GRRDProc()); + pGRRD->GRW = WOI + RDWI; + pGRRD->GRH = HOI + RDHI; + pGRRD->GRTEMPLATE = SBRTEMPLATE; + pGRRD->GRREFERENCE = IBOI; + pGRRD->GRREFERENCEDX = (RDWI >> 1) + RDXI; + pGRRD->GRREFERENCEDY = (RDHI >> 1) + RDYI; + pGRRD->TPGRON = 0; + pGRRD->GRAT[0] = SBRAT[0]; + pGRRD->GRAT[1] = SBRAT[1]; + pGRRD->GRAT[2] = SBRAT[2]; + pGRRD->GRAT[3] = SBRAT[3]; + IBI = pGRRD->decode(pArithDecoder, grContext); + if (IBI == NULL) { + delete pGRRD; + goto failed; } + delete pGRRD; + } + WI = IBI->m_nWidth; + HI = IBI->m_nHeight; + if (TRANSPOSED == 0 && ((REFCORNER == JBIG2_CORNER_TOPRIGHT) || + (REFCORNER == JBIG2_CORNER_BOTTOMRIGHT))) { + CURS = CURS + WI - 1; + } else if (TRANSPOSED == 1 && ((REFCORNER == JBIG2_CORNER_BOTTOMLEFT) || + (REFCORNER == JBIG2_CORNER_BOTTOMRIGHT))) { + CURS = CURS + HI - 1; + } + SI = CURS; + if (TRANSPOSED == 0) { + switch (REFCORNER) { + case JBIG2_CORNER_TOPLEFT: + SBREG->composeFrom(SI, TI, IBI, SBCOMBOP); + break; + case JBIG2_CORNER_TOPRIGHT: + SBREG->composeFrom(SI - WI + 1, TI, IBI, SBCOMBOP); + break; + case JBIG2_CORNER_BOTTOMLEFT: + SBREG->composeFrom(SI, TI - HI + 1, IBI, SBCOMBOP); + break; + case JBIG2_CORNER_BOTTOMRIGHT: + SBREG->composeFrom(SI - WI + 1, TI - HI + 1, IBI, SBCOMBOP); + break; + } + } else { + switch (REFCORNER) { + case JBIG2_CORNER_TOPLEFT: + SBREG->composeFrom(TI, SI, IBI, SBCOMBOP); + break; + case JBIG2_CORNER_TOPRIGHT: + SBREG->composeFrom(TI - WI + 1, SI, IBI, SBCOMBOP); + break; + case JBIG2_CORNER_BOTTOMLEFT: + SBREG->composeFrom(TI, SI - HI + 1, IBI, SBCOMBOP); + break; + case JBIG2_CORNER_BOTTOMRIGHT: + SBREG->composeFrom(TI - WI + 1, SI - HI + 1, IBI, SBCOMBOP); + break; + } + } + if (RI != 0) { + delete IBI; + } + if (TRANSPOSED == 0 && ((REFCORNER == JBIG2_CORNER_TOPLEFT) || + (REFCORNER == JBIG2_CORNER_BOTTOMLEFT))) { + CURS = CURS + WI - 1; + } else if (TRANSPOSED == 1 && ((REFCORNER == JBIG2_CORNER_TOPLEFT) || + (REFCORNER == JBIG2_CORNER_TOPRIGHT))) { + CURS = CURS + HI - 1; + } + NINSTANCES = NINSTANCES + 1; } - if (J < SDNUMEXSYMS) { - pDict->SDNUMEXSYMS = J; - } - m_pModule->JBig2_Free(EXFLAGS); - m_pModule->JBig2_Free(SDNEWSYMS); - delete IADH; - delete IADW; - delete IAAI; - delete IARDX; - delete IARDY; - delete IAEX; - delete IAID; + } + if (bRetained == FALSE) { delete IADT; delete IAFS; delete IADS; @@ -2640,22 +2465,13 @@ CJBig2_SymbolDict *CJBig2_SDDProc::decode_Arith(CJBig2_ArithDecoder *pArithDecod delete IARI; delete IARDW; delete IARDH; - return pDict; -failed: - for(I = 0; I < NSYMSDECODED; I++) { - if (SDNEWSYMS[I]) { - delete SDNEWSYMS[I]; - SDNEWSYMS[I] = NULL; - } - } - m_pModule->JBig2_Free(SDNEWSYMS); - delete IADH; - delete IADW; - delete IAAI; delete IARDX; delete IARDY; - delete IAEX; delete IAID; + } + return SBREG; +failed: + if (bRetained == FALSE) { delete IADT; delete IAFS; delete IADS; @@ -2663,1669 +2479,2184 @@ failed: delete IARI; delete IARDW; delete IARDH; - return NULL; + delete IARDX; + delete IARDY; + delete IAID; + } + delete SBREG; + return NULL; } -CJBig2_SymbolDict *CJBig2_SDDProc::decode_Huffman(CJBig2_BitStream *pStream, - JBig2ArithCtx *gbContext, JBig2ArithCtx *grContext, IFX_Pause* pPause) -{ - CJBig2_Image **SDNEWSYMS; - FX_DWORD *SDNEWSYMWIDTHS; - FX_DWORD HCHEIGHT, NSYMSDECODED; - int32_t HCDH; - FX_DWORD SYMWIDTH, TOTWIDTH, HCFIRSTSYM; - int32_t DW; - CJBig2_Image *BS, *BHC; - FX_DWORD I, J, REFAGGNINST; - FX_BOOL *EXFLAGS; - FX_DWORD EXINDEX; - FX_BOOL CUREXFLAG; - FX_DWORD EXRUNLENGTH; - int32_t nVal, nBits; - FX_DWORD nTmp; - FX_DWORD SBNUMSYMS; - uint8_t SBSYMCODELEN; - JBig2HuffmanCode *SBSYMCODES; - FX_DWORD IDI; - int32_t RDXI, RDYI; - FX_DWORD BMSIZE; - FX_DWORD stride; - CJBig2_Image **SBSYMS; - CJBig2_HuffmanTable *SBHUFFFS, *SBHUFFDS, *SBHUFFDT, *SBHUFFRDW, *SBHUFFRDH, *SBHUFFRDX, *SBHUFFRDY, - *SBHUFFRSIZE, *pTable; - CJBig2_HuffmanDecoder *pHuffmanDecoder; - CJBig2_GRRDProc *pGRRD; - CJBig2_ArithDecoder *pArithDecoder; - CJBig2_GRDProc *pGRD; - CJBig2_SymbolDict *pDict; - JBIG2_ALLOC(pHuffmanDecoder, CJBig2_HuffmanDecoder(pStream)); - SDNEWSYMS = (CJBig2_Image**)m_pModule->JBig2_Malloc2(SDNUMNEWSYMS, sizeof(CJBig2_Image*)); - FXSYS_memset(SDNEWSYMS, 0 , SDNUMNEWSYMS * sizeof(CJBig2_Image*)); - SDNEWSYMWIDTHS = NULL; - BHC = NULL; - if(SDREFAGG == 0) { - SDNEWSYMWIDTHS = (FX_DWORD *)m_pModule->JBig2_Malloc2(SDNUMNEWSYMS, sizeof(FX_DWORD)); - FXSYS_memset(SDNEWSYMWIDTHS, 0 , SDNUMNEWSYMS * sizeof(FX_DWORD)); - } - HCHEIGHT = 0; - NSYMSDECODED = 0; +CJBig2_SymbolDict* CJBig2_SDDProc::decode_Arith( + CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* gbContext, + JBig2ArithCtx* grContext) { + CJBig2_Image** SDNEWSYMS; + FX_DWORD HCHEIGHT, NSYMSDECODED; + int32_t HCDH; + FX_DWORD SYMWIDTH, TOTWIDTH; + int32_t DW; + CJBig2_Image* BS; + FX_DWORD I, J, REFAGGNINST; + FX_BOOL* EXFLAGS; + FX_DWORD EXINDEX; + FX_BOOL CUREXFLAG; + FX_DWORD EXRUNLENGTH; + int32_t nVal; + FX_DWORD nTmp; + FX_DWORD SBNUMSYMS; + uint8_t SBSYMCODELEN; + FX_DWORD IDI; + int32_t RDXI, RDYI; + CJBig2_Image** SBSYMS; + CJBig2_HuffmanTable *SBHUFFFS, *SBHUFFDS, *SBHUFFDT, *SBHUFFRDW, *SBHUFFRDH, + *SBHUFFRDX, *SBHUFFRDY, *SBHUFFRSIZE; + CJBig2_GRRDProc* pGRRD; + CJBig2_GRDProc* pGRD; + CJBig2_ArithIntDecoder *IADH, *IADW, *IAAI, *IARDX, *IARDY, *IAEX, *IADT, + *IAFS, *IADS, *IAIT, *IARI, *IARDW, *IARDH; + CJBig2_ArithIaidDecoder* IAID; + CJBig2_SymbolDict* pDict; + JBIG2_ALLOC(IADH, CJBig2_ArithIntDecoder()); + JBIG2_ALLOC(IADW, CJBig2_ArithIntDecoder()); + JBIG2_ALLOC(IAAI, CJBig2_ArithIntDecoder()); + JBIG2_ALLOC(IARDX, CJBig2_ArithIntDecoder()); + JBIG2_ALLOC(IARDY, CJBig2_ArithIntDecoder()); + JBIG2_ALLOC(IAEX, CJBig2_ArithIntDecoder()); + JBIG2_ALLOC(IADT, CJBig2_ArithIntDecoder()); + JBIG2_ALLOC(IAFS, CJBig2_ArithIntDecoder()); + JBIG2_ALLOC(IADS, CJBig2_ArithIntDecoder()); + JBIG2_ALLOC(IAIT, CJBig2_ArithIntDecoder()); + JBIG2_ALLOC(IARI, CJBig2_ArithIntDecoder()); + JBIG2_ALLOC(IARDW, CJBig2_ArithIntDecoder()); + JBIG2_ALLOC(IARDH, CJBig2_ArithIntDecoder()); + nTmp = 0; + while ((FX_DWORD)(1 << nTmp) < (SDNUMINSYMS + SDNUMNEWSYMS)) { + nTmp++; + } + JBIG2_ALLOC(IAID, CJBig2_ArithIaidDecoder((uint8_t)nTmp)); + SDNEWSYMS = (CJBig2_Image**)m_pModule->JBig2_Malloc2(SDNUMNEWSYMS, + sizeof(CJBig2_Image*)); + FXSYS_memset(SDNEWSYMS, 0, SDNUMNEWSYMS * sizeof(CJBig2_Image*)); + HCHEIGHT = 0; + NSYMSDECODED = 0; + while (NSYMSDECODED < SDNUMNEWSYMS) { BS = NULL; - while(NSYMSDECODED < SDNUMNEWSYMS) { - if(pHuffmanDecoder->decodeAValue(SDHUFFDH, &HCDH) != 0) { - m_pModule->JBig2_Error("symbol dictionary decoding procedure (huffman): too short."); - goto failed; + if (IADH->decode(pArithDecoder, &HCDH) == -1) { + m_pModule->JBig2_Error( + "symbol dictionary decoding procedure (arith): too short."); + goto failed; + } + HCHEIGHT = HCHEIGHT + HCDH; + if ((int)HCHEIGHT < 0 || (int)HCHEIGHT > JBIG2_MAX_IMAGE_SIZE) { + m_pModule->JBig2_Error( + "symbol dictionary decoding procedure (arith): invalid HCHEIGHT " + "value."); + goto failed; + } + SYMWIDTH = 0; + TOTWIDTH = 0; + for (;;) { + nVal = IADW->decode(pArithDecoder, &DW); + if (nVal == JBIG2_OOB) { + break; + } else if (nVal != 0) { + m_pModule->JBig2_Error( + "symbol dictionary decoding procedure (arith): too short."); + goto failed; + } else { + if (NSYMSDECODED >= SDNUMNEWSYMS) { + m_pModule->JBig2_Error( + "symbol dictionary decoding procedure (arith): NSYMSDECODED >= " + "SDNUMNEWSYMS."); + goto failed; } - HCHEIGHT = HCHEIGHT + HCDH; - if ((int)HCHEIGHT < 0 || (int)HCHEIGHT > JBIG2_MAX_IMAGE_SIZE) { - m_pModule->JBig2_Error("symbol dictionary decoding procedure (huffman): invalid HCHEIGHT value."); - goto failed; + SYMWIDTH = SYMWIDTH + DW; + if ((int)SYMWIDTH < 0 || (int)SYMWIDTH > JBIG2_MAX_IMAGE_SIZE) { + m_pModule->JBig2_Error( + "symbol dictionary decoding procedure (arith): invalid SYMWIDTH " + "value."); + goto failed; + } else if (HCHEIGHT == 0 || SYMWIDTH == 0) { + TOTWIDTH = TOTWIDTH + SYMWIDTH; + SDNEWSYMS[NSYMSDECODED] = NULL; + NSYMSDECODED = NSYMSDECODED + 1; + continue; } - SYMWIDTH = 0; - TOTWIDTH = 0; - HCFIRSTSYM = NSYMSDECODED; - for(;;) { - nVal = pHuffmanDecoder->decodeAValue(SDHUFFDW, &DW); - if(nVal == JBIG2_OOB) { - break; - } else if(nVal != 0) { - m_pModule->JBig2_Error("symbol dictionary decoding procedure (huffman): too short."); - goto failed; - } else { - if (NSYMSDECODED >= SDNUMNEWSYMS) { - m_pModule->JBig2_Error("symbol dictionary decoding procedure (huffman): NSYMSDECODED >= SDNUMNEWSYMS."); - goto failed; - } - SYMWIDTH = SYMWIDTH + DW; - if ((int)SYMWIDTH < 0 || (int)SYMWIDTH > JBIG2_MAX_IMAGE_SIZE) { - m_pModule->JBig2_Error("symbol dictionary decoding procedure (huffman): invalid SYMWIDTH value."); - goto failed; - } else if (HCHEIGHT == 0 || SYMWIDTH == 0) { - TOTWIDTH = TOTWIDTH + SYMWIDTH; - SDNEWSYMS[NSYMSDECODED] = NULL; - NSYMSDECODED = NSYMSDECODED + 1; - continue; - } - TOTWIDTH = TOTWIDTH + SYMWIDTH; - } - if(SDREFAGG == 1) { - if(pHuffmanDecoder->decodeAValue(SDHUFFAGGINST, (int*)&REFAGGNINST) != 0) { - m_pModule->JBig2_Error("symbol dictionary decoding procedure (huffman): too short."); - goto failed; - } - BS = NULL; - if(REFAGGNINST > 1) { - CJBig2_TRDProc *pDecoder; - JBIG2_ALLOC(pDecoder, CJBig2_TRDProc()); - pDecoder->SBHUFF = SDHUFF; - pDecoder->SBREFINE = 1; - pDecoder->SBW = SYMWIDTH; - pDecoder->SBH = HCHEIGHT; - pDecoder->SBNUMINSTANCES = REFAGGNINST; - pDecoder->SBSTRIPS = 1; - pDecoder->SBNUMSYMS = SDNUMINSYMS + NSYMSDECODED; - SBNUMSYMS = pDecoder->SBNUMSYMS; - SBSYMCODES = (JBig2HuffmanCode*)m_pModule->JBig2_Malloc2(SBNUMSYMS, sizeof(JBig2HuffmanCode)); - nTmp = 1; - while((FX_DWORD)(1 << nTmp) < SBNUMSYMS) { - nTmp ++; - } - for(I = 0; I < SBNUMSYMS; I++) { - SBSYMCODES[I].codelen = nTmp; - SBSYMCODES[I].code = I; - } - pDecoder->SBSYMCODES = SBSYMCODES; - SBSYMS = (CJBig2_Image**)m_pModule->JBig2_Malloc2(SBNUMSYMS, sizeof(CJBig2_Image*)); - JBIG2_memcpy(SBSYMS, SDINSYMS, SDNUMINSYMS * sizeof(CJBig2_Image*)); - JBIG2_memcpy(SBSYMS + SDNUMINSYMS, SDNEWSYMS, NSYMSDECODED * sizeof(CJBig2_Image*)); - pDecoder->SBSYMS = SBSYMS; - pDecoder->SBDEFPIXEL = 0; - pDecoder->SBCOMBOP = JBIG2_COMPOSE_OR; - pDecoder->TRANSPOSED = 0; - pDecoder->REFCORNER = JBIG2_CORNER_TOPLEFT; - pDecoder->SBDSOFFSET = 0; - JBIG2_ALLOC(SBHUFFFS, CJBig2_HuffmanTable(HuffmanTable_B6, - sizeof(HuffmanTable_B6) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B6)); - JBIG2_ALLOC(SBHUFFDS, CJBig2_HuffmanTable(HuffmanTable_B8, - sizeof(HuffmanTable_B8) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B8)); - JBIG2_ALLOC(SBHUFFDT, CJBig2_HuffmanTable(HuffmanTable_B11, - sizeof(HuffmanTable_B11) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B11)); - JBIG2_ALLOC(SBHUFFRDW, CJBig2_HuffmanTable(HuffmanTable_B15, - sizeof(HuffmanTable_B15) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B15)); - JBIG2_ALLOC(SBHUFFRDH, CJBig2_HuffmanTable(HuffmanTable_B15, - sizeof(HuffmanTable_B15) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B15)); - JBIG2_ALLOC(SBHUFFRDX, CJBig2_HuffmanTable(HuffmanTable_B15, - sizeof(HuffmanTable_B15) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B15)); - JBIG2_ALLOC(SBHUFFRDY, CJBig2_HuffmanTable(HuffmanTable_B15, - sizeof(HuffmanTable_B15) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B15)); - JBIG2_ALLOC(SBHUFFRSIZE, CJBig2_HuffmanTable(HuffmanTable_B1, - sizeof(HuffmanTable_B1) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B1)); - pDecoder->SBHUFFFS = SBHUFFFS; - pDecoder->SBHUFFDS = SBHUFFDS; - pDecoder->SBHUFFDT = SBHUFFDT; - pDecoder->SBHUFFRDW = SBHUFFRDW; - pDecoder->SBHUFFRDH = SBHUFFRDH; - pDecoder->SBHUFFRDX = SBHUFFRDX; - pDecoder->SBHUFFRDY = SBHUFFRDY; - pDecoder->SBHUFFRSIZE = SBHUFFRSIZE; - pDecoder->SBRTEMPLATE = SDRTEMPLATE; - pDecoder->SBRAT[0] = SDRAT[0]; - pDecoder->SBRAT[1] = SDRAT[1]; - pDecoder->SBRAT[2] = SDRAT[2]; - pDecoder->SBRAT[3] = SDRAT[3]; - BS = pDecoder->decode_Huffman(pStream, grContext); - if(BS == NULL) { - m_pModule->JBig2_Free(SBSYMCODES); - m_pModule->JBig2_Free(SBSYMS); - delete SBHUFFFS; - delete SBHUFFDS; - delete SBHUFFDT; - delete SBHUFFRDW; - delete SBHUFFRDH; - delete SBHUFFRDX; - delete SBHUFFRDY; - delete SBHUFFRSIZE; - delete pDecoder; - goto failed; - } - m_pModule->JBig2_Free(SBSYMCODES); - m_pModule->JBig2_Free(SBSYMS); - delete SBHUFFFS; - delete SBHUFFDS; - delete SBHUFFDT; - delete SBHUFFRDW; - delete SBHUFFRDH; - delete SBHUFFRDX; - delete SBHUFFRDY; - delete SBHUFFRSIZE; - delete pDecoder; - } else if(REFAGGNINST == 1) { - SBNUMSYMS = SDNUMINSYMS + SDNUMNEWSYMS; - nTmp = 1; - while((FX_DWORD)(1 << nTmp) < SBNUMSYMS) { - nTmp ++; - } - SBSYMCODELEN = (uint8_t)nTmp; - SBSYMCODES = (JBig2HuffmanCode*)m_pModule->JBig2_Malloc2(SBNUMSYMS, sizeof(JBig2HuffmanCode)); - for(I = 0; I < SBNUMSYMS; I++) { - SBSYMCODES[I].codelen = SBSYMCODELEN; - SBSYMCODES[I].code = I; - } - nVal = 0; - nBits = 0; - for(;;) { - if(pStream->read1Bit(&nTmp) != 0) { - m_pModule->JBig2_Free(SBSYMCODES); - m_pModule->JBig2_Error("symbol dictionary decoding procedure (huffman): too short."); - goto failed; - } - nVal = (nVal << 1) | nTmp; - for(IDI = 0; IDI < SBNUMSYMS; IDI++) { - if((nVal == SBSYMCODES[IDI].code) - && (nBits == SBSYMCODES[IDI].codelen)) { - break; - } - } - if(IDI < SBNUMSYMS) { - break; - } - } - m_pModule->JBig2_Free(SBSYMCODES); - JBIG2_ALLOC(SBHUFFRDX, CJBig2_HuffmanTable(HuffmanTable_B15, - sizeof(HuffmanTable_B15) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B15)); - JBIG2_ALLOC(SBHUFFRSIZE, CJBig2_HuffmanTable(HuffmanTable_B1, - sizeof(HuffmanTable_B1) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B1)); - if((pHuffmanDecoder->decodeAValue(SBHUFFRDX, &RDXI) != 0) - || (pHuffmanDecoder->decodeAValue(SBHUFFRDX, &RDYI) != 0) - || (pHuffmanDecoder->decodeAValue(SBHUFFRSIZE, &nVal) != 0)) { - delete SBHUFFRDX; - delete SBHUFFRSIZE; - m_pModule->JBig2_Error("symbol dictionary decoding procedure (huffman): too short."); - goto failed; - } - delete SBHUFFRDX; - delete SBHUFFRSIZE; - pStream->alignByte(); - nTmp = pStream->getOffset(); - SBSYMS = (CJBig2_Image**)m_pModule->JBig2_Malloc2(SBNUMSYMS, sizeof(CJBig2_Image*)); - JBIG2_memcpy(SBSYMS, SDINSYMS, SDNUMINSYMS * sizeof(CJBig2_Image*)); - JBIG2_memcpy(SBSYMS + SDNUMINSYMS, SDNEWSYMS, NSYMSDECODED * sizeof(CJBig2_Image*)); - JBIG2_ALLOC(pGRRD, CJBig2_GRRDProc()); - pGRRD->GRW = SYMWIDTH; - pGRRD->GRH = HCHEIGHT; - pGRRD->GRTEMPLATE = SDRTEMPLATE; - pGRRD->GRREFERENCE = SBSYMS[IDI]; - pGRRD->GRREFERENCEDX = RDXI; - pGRRD->GRREFERENCEDY = RDYI; - pGRRD->TPGRON = 0; - pGRRD->GRAT[0] = SDRAT[0]; - pGRRD->GRAT[1] = SDRAT[1]; - pGRRD->GRAT[2] = SDRAT[2]; - pGRRD->GRAT[3] = SDRAT[3]; - JBIG2_ALLOC(pArithDecoder, CJBig2_ArithDecoder(pStream)); - BS = pGRRD->decode(pArithDecoder, grContext); - if(BS == NULL) { - m_pModule->JBig2_Free(SBSYMS); - delete pGRRD; - delete pArithDecoder; - goto failed; - } - pStream->alignByte(); - pStream->offset(2); - if((FX_DWORD)nVal != (pStream->getOffset() - nTmp)) { - delete BS; - m_pModule->JBig2_Free(SBSYMS); - delete pGRRD; - delete pArithDecoder; - m_pModule->JBig2_Error("symbol dictionary decoding procedure (huffman):" - "bytes processed by generic refinement region decoding procedure doesn't equal SBHUFFRSIZE."); - goto failed; - } - m_pModule->JBig2_Free(SBSYMS); - delete pGRRD; - delete pArithDecoder; - } - SDNEWSYMS[NSYMSDECODED] = BS; - } - if(SDREFAGG == 0) { - SDNEWSYMWIDTHS[NSYMSDECODED] = SYMWIDTH; - } - NSYMSDECODED = NSYMSDECODED + 1; + TOTWIDTH = TOTWIDTH + SYMWIDTH; + } + if (SDREFAGG == 0) { + JBIG2_ALLOC(pGRD, CJBig2_GRDProc()); + pGRD->MMR = 0; + pGRD->GBW = SYMWIDTH; + pGRD->GBH = HCHEIGHT; + pGRD->GBTEMPLATE = SDTEMPLATE; + pGRD->TPGDON = 0; + pGRD->USESKIP = 0; + pGRD->GBAT[0] = SDAT[0]; + pGRD->GBAT[1] = SDAT[1]; + pGRD->GBAT[2] = SDAT[2]; + pGRD->GBAT[3] = SDAT[3]; + pGRD->GBAT[4] = SDAT[4]; + pGRD->GBAT[5] = SDAT[5]; + pGRD->GBAT[6] = SDAT[6]; + pGRD->GBAT[7] = SDAT[7]; + BS = pGRD->decode_Arith(pArithDecoder, gbContext); + if (BS == NULL) { + delete pGRD; + goto failed; } - if(SDREFAGG == 0) { - if(pHuffmanDecoder->decodeAValue(SDHUFFBMSIZE, (int32_t*)&BMSIZE) != 0) { - m_pModule->JBig2_Error("symbol dictionary decoding procedure (huffman): too short."); - goto failed; - } - pStream->alignByte(); - if(BMSIZE == 0) { - stride = (TOTWIDTH + 7) >> 3; - if(pStream->getByteLeft() >= stride * HCHEIGHT) { - JBIG2_ALLOC(BHC, CJBig2_Image(TOTWIDTH, HCHEIGHT)); - for(I = 0; I < HCHEIGHT; I ++) { - JBIG2_memcpy(BHC->m_pData + I * BHC->m_nStride, pStream->getPointer(), stride); - pStream->offset(stride); - } - } else { - m_pModule->JBig2_Error("symbol dictionary decoding procedure (huffman): too short."); - goto failed; - } - } else { - JBIG2_ALLOC(pGRD, CJBig2_GRDProc()); - pGRD->MMR = 1; - pGRD->GBW = TOTWIDTH; - pGRD->GBH = HCHEIGHT; - FXCODEC_STATUS status = pGRD->Start_decode_MMR(&BHC, pStream); - while(status == FXCODEC_STATUS_DECODE_TOBECONTINUE) { - pGRD->Continue_decode(pPause); - } - delete pGRD; - pStream->alignByte(); - } - nTmp = 0; - if (!BHC) { - continue; - } - for(I = HCFIRSTSYM; I < NSYMSDECODED; I++) { - SDNEWSYMS[I] = BHC->subImage(nTmp, 0, SDNEWSYMWIDTHS[I], HCHEIGHT); - nTmp += SDNEWSYMWIDTHS[I]; - } - delete BHC; - BHC = NULL; + delete pGRD; + } else { + if (IAAI->decode(pArithDecoder, (int*)&REFAGGNINST) == -1) { + m_pModule->JBig2_Error( + "symbol dictionary decoding procedure (arith): too short."); + goto failed; } - } - EXINDEX = 0; - CUREXFLAG = 0; - JBIG2_ALLOC(pTable, CJBig2_HuffmanTable(HuffmanTable_B1, - sizeof(HuffmanTable_B1) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B1)); - EXFLAGS = (FX_BOOL*)m_pModule->JBig2_Malloc2(sizeof(FX_BOOL), (SDNUMINSYMS + SDNUMNEWSYMS)); - while(EXINDEX < SDNUMINSYMS + SDNUMNEWSYMS) { - if(pHuffmanDecoder->decodeAValue(pTable, (int*)&EXRUNLENGTH) != 0) { - delete pTable; - m_pModule->JBig2_Free(EXFLAGS); - m_pModule->JBig2_Error("symbol dictionary decoding procedure (huffman): too short."); + if (REFAGGNINST > 1) { + CJBig2_TRDProc* pDecoder; + JBIG2_ALLOC(pDecoder, CJBig2_TRDProc()); + pDecoder->SBHUFF = SDHUFF; + pDecoder->SBREFINE = 1; + pDecoder->SBW = SYMWIDTH; + pDecoder->SBH = HCHEIGHT; + pDecoder->SBNUMINSTANCES = REFAGGNINST; + pDecoder->SBSTRIPS = 1; + pDecoder->SBNUMSYMS = SDNUMINSYMS + NSYMSDECODED; + SBNUMSYMS = pDecoder->SBNUMSYMS; + nTmp = 0; + while ((FX_DWORD)(1 << nTmp) < SBNUMSYMS) { + nTmp++; + } + SBSYMCODELEN = (uint8_t)nTmp; + pDecoder->SBSYMCODELEN = SBSYMCODELEN; + SBSYMS = (CJBig2_Image**)m_pModule->JBig2_Malloc2( + SBNUMSYMS, sizeof(CJBig2_Image*)); + JBIG2_memcpy(SBSYMS, SDINSYMS, SDNUMINSYMS * sizeof(CJBig2_Image*)); + JBIG2_memcpy(SBSYMS + SDNUMINSYMS, SDNEWSYMS, + NSYMSDECODED * sizeof(CJBig2_Image*)); + pDecoder->SBSYMS = SBSYMS; + pDecoder->SBDEFPIXEL = 0; + pDecoder->SBCOMBOP = JBIG2_COMPOSE_OR; + pDecoder->TRANSPOSED = 0; + pDecoder->REFCORNER = JBIG2_CORNER_TOPLEFT; + pDecoder->SBDSOFFSET = 0; + JBIG2_ALLOC(SBHUFFFS, CJBig2_HuffmanTable(HuffmanTable_B6, + sizeof(HuffmanTable_B6) / + sizeof(JBig2TableLine), + HuffmanTable_HTOOB_B6)); + JBIG2_ALLOC(SBHUFFDS, CJBig2_HuffmanTable(HuffmanTable_B8, + sizeof(HuffmanTable_B8) / + sizeof(JBig2TableLine), + HuffmanTable_HTOOB_B8)); + JBIG2_ALLOC(SBHUFFDT, CJBig2_HuffmanTable(HuffmanTable_B11, + sizeof(HuffmanTable_B11) / + sizeof(JBig2TableLine), + HuffmanTable_HTOOB_B11)); + JBIG2_ALLOC(SBHUFFRDW, CJBig2_HuffmanTable(HuffmanTable_B15, + sizeof(HuffmanTable_B15) / + sizeof(JBig2TableLine), + HuffmanTable_HTOOB_B15)); + JBIG2_ALLOC(SBHUFFRDH, CJBig2_HuffmanTable(HuffmanTable_B15, + sizeof(HuffmanTable_B15) / + sizeof(JBig2TableLine), + HuffmanTable_HTOOB_B15)); + JBIG2_ALLOC(SBHUFFRDX, CJBig2_HuffmanTable(HuffmanTable_B15, + sizeof(HuffmanTable_B15) / + sizeof(JBig2TableLine), + HuffmanTable_HTOOB_B15)); + JBIG2_ALLOC(SBHUFFRDY, CJBig2_HuffmanTable(HuffmanTable_B15, + sizeof(HuffmanTable_B15) / + sizeof(JBig2TableLine), + HuffmanTable_HTOOB_B15)); + JBIG2_ALLOC(SBHUFFRSIZE, + CJBig2_HuffmanTable( + HuffmanTable_B1, + sizeof(HuffmanTable_B1) / sizeof(JBig2TableLine), + HuffmanTable_HTOOB_B1)); + pDecoder->SBHUFFFS = SBHUFFFS; + pDecoder->SBHUFFDS = SBHUFFDS; + pDecoder->SBHUFFDT = SBHUFFDT; + pDecoder->SBHUFFRDW = SBHUFFRDW; + pDecoder->SBHUFFRDH = SBHUFFRDH; + pDecoder->SBHUFFRDX = SBHUFFRDX; + pDecoder->SBHUFFRDY = SBHUFFRDY; + pDecoder->SBHUFFRSIZE = SBHUFFRSIZE; + pDecoder->SBRTEMPLATE = SDRTEMPLATE; + pDecoder->SBRAT[0] = SDRAT[0]; + pDecoder->SBRAT[1] = SDRAT[1]; + pDecoder->SBRAT[2] = SDRAT[2]; + pDecoder->SBRAT[3] = SDRAT[3]; + JBig2IntDecoderState ids; + ids.IADT = IADT; + ids.IAFS = IAFS; + ids.IADS = IADS; + ids.IAIT = IAIT; + ids.IARI = IARI; + ids.IARDW = IARDW; + ids.IARDH = IARDH; + ids.IARDX = IARDX; + ids.IARDY = IARDY; + ids.IAID = IAID; + BS = pDecoder->decode_Arith(pArithDecoder, grContext, &ids); + if (BS == NULL) { + m_pModule->JBig2_Free(SBSYMS); + delete SBHUFFFS; + delete SBHUFFDS; + delete SBHUFFDT; + delete SBHUFFRDW; + delete SBHUFFRDH; + delete SBHUFFRDX; + delete SBHUFFRDY; + delete SBHUFFRSIZE; + delete pDecoder; goto failed; - } - if (EXINDEX + EXRUNLENGTH > SDNUMINSYMS + SDNUMNEWSYMS) { - delete pTable; - m_pModule->JBig2_Free(EXFLAGS); - m_pModule->JBig2_Error("symbol dictionary decoding procedure (arith): Invalid EXRUNLENGTH value."); + } + m_pModule->JBig2_Free(SBSYMS); + delete SBHUFFFS; + delete SBHUFFDS; + delete SBHUFFDT; + delete SBHUFFRDW; + delete SBHUFFRDH; + delete SBHUFFRDX; + delete SBHUFFRDY; + delete SBHUFFRSIZE; + delete pDecoder; + } else if (REFAGGNINST == 1) { + SBNUMSYMS = SDNUMINSYMS + NSYMSDECODED; + if (IAID->decode(pArithDecoder, (int*)&IDI) == -1) { + m_pModule->JBig2_Error( + "symbol dictionary decoding procedure (arith): too short."); goto failed; + } + if ((IARDX->decode(pArithDecoder, &RDXI) == -1) || + (IARDY->decode(pArithDecoder, &RDYI) == -1)) { + m_pModule->JBig2_Error( + "symbol dictionary decoding procedure (arith): too short."); + goto failed; + } + if (IDI >= SBNUMSYMS) { + m_pModule->JBig2_Error( + "symbol dictionary decoding procedure (arith):" + " refinement references unknown symbol %d", + IDI); + goto failed; + } + SBSYMS = (CJBig2_Image**)m_pModule->JBig2_Malloc2( + SBNUMSYMS, sizeof(CJBig2_Image*)); + JBIG2_memcpy(SBSYMS, SDINSYMS, SDNUMINSYMS * sizeof(CJBig2_Image*)); + JBIG2_memcpy(SBSYMS + SDNUMINSYMS, SDNEWSYMS, + NSYMSDECODED * sizeof(CJBig2_Image*)); + if (!SBSYMS[IDI]) { + m_pModule->JBig2_Free(SBSYMS); + goto failed; + } + JBIG2_ALLOC(pGRRD, CJBig2_GRRDProc()); + pGRRD->GRW = SYMWIDTH; + pGRRD->GRH = HCHEIGHT; + pGRRD->GRTEMPLATE = SDRTEMPLATE; + pGRRD->GRREFERENCE = SBSYMS[IDI]; + pGRRD->GRREFERENCEDX = RDXI; + pGRRD->GRREFERENCEDY = RDYI; + pGRRD->TPGRON = 0; + pGRRD->GRAT[0] = SDRAT[0]; + pGRRD->GRAT[1] = SDRAT[1]; + pGRRD->GRAT[2] = SDRAT[2]; + pGRRD->GRAT[3] = SDRAT[3]; + BS = pGRRD->decode(pArithDecoder, grContext); + if (BS == NULL) { + m_pModule->JBig2_Free(SBSYMS); + delete pGRRD; + goto failed; + } + m_pModule->JBig2_Free(SBSYMS); + delete pGRRD; } - if(EXRUNLENGTH != 0) { - for(I = EXINDEX; I < EXINDEX + EXRUNLENGTH; I++) { - EXFLAGS[I] = CUREXFLAG; - } - } - EXINDEX = EXINDEX + EXRUNLENGTH; - CUREXFLAG = !CUREXFLAG; + } + SDNEWSYMS[NSYMSDECODED] = BS; + BS = NULL; + NSYMSDECODED = NSYMSDECODED + 1; } - delete pTable; - JBIG2_ALLOC(pDict, CJBig2_SymbolDict()); - pDict->SDNUMEXSYMS = SDNUMEXSYMS; - pDict->SDEXSYMS = (CJBig2_Image**)m_pModule->JBig2_Malloc2(sizeof(CJBig2_Image*), SDNUMEXSYMS); - I = J = 0; - for(I = 0; I < SDNUMINSYMS + SDNUMNEWSYMS; I++) { - if(EXFLAGS[I] && J < SDNUMEXSYMS) { - if(I < SDNUMINSYMS) { - JBIG2_ALLOC(pDict->SDEXSYMS[J], CJBig2_Image(*SDINSYMS[I])); - } else { - pDict->SDEXSYMS[J] = SDNEWSYMS[I - SDNUMINSYMS]; - } - J = J + 1; - } else if (!EXFLAGS[I] && I >= SDNUMINSYMS) { - delete SDNEWSYMS[I - SDNUMINSYMS]; - } + } + EXINDEX = 0; + CUREXFLAG = 0; + EXFLAGS = (FX_BOOL*)m_pModule->JBig2_Malloc2(sizeof(FX_BOOL), + (SDNUMINSYMS + SDNUMNEWSYMS)); + while (EXINDEX < SDNUMINSYMS + SDNUMNEWSYMS) { + if (IAEX->decode(pArithDecoder, (int*)&EXRUNLENGTH) == -1) { + m_pModule->JBig2_Free(EXFLAGS); + m_pModule->JBig2_Error( + "symbol dictionary decoding procedure (arith): too short."); + goto failed; } - if (J < SDNUMEXSYMS) { - pDict->SDNUMEXSYMS = J; + if (EXINDEX + EXRUNLENGTH > SDNUMINSYMS + SDNUMNEWSYMS) { + m_pModule->JBig2_Free(EXFLAGS); + m_pModule->JBig2_Error( + "symbol dictionary decoding procedure (arith): Invalid EXRUNLENGTH " + "value."); + goto failed; } - m_pModule->JBig2_Free(EXFLAGS); - m_pModule->JBig2_Free(SDNEWSYMS); - if(SDREFAGG == 0) { - m_pModule->JBig2_Free(SDNEWSYMWIDTHS); + if (EXRUNLENGTH != 0) { + for (I = EXINDEX; I < EXINDEX + EXRUNLENGTH; I++) { + EXFLAGS[I] = CUREXFLAG; + } } - delete pHuffmanDecoder; - return pDict; -failed: - for(I = 0; I < NSYMSDECODED; I++) { - delete SDNEWSYMS[I]; + EXINDEX = EXINDEX + EXRUNLENGTH; + CUREXFLAG = !CUREXFLAG; + } + JBIG2_ALLOC(pDict, CJBig2_SymbolDict()); + pDict->SDNUMEXSYMS = SDNUMEXSYMS; + pDict->SDEXSYMS = (CJBig2_Image**)m_pModule->JBig2_Malloc2( + sizeof(CJBig2_Image*), SDNUMEXSYMS); + I = J = 0; + for (I = 0; I < SDNUMINSYMS + SDNUMNEWSYMS; I++) { + if (EXFLAGS[I] && J < SDNUMEXSYMS) { + if (I < SDNUMINSYMS) { + JBIG2_ALLOC(pDict->SDEXSYMS[J], CJBig2_Image(*SDINSYMS[I])); + } else { + pDict->SDEXSYMS[J] = SDNEWSYMS[I - SDNUMINSYMS]; + } + J = J + 1; + } else if (!EXFLAGS[I] && I >= SDNUMINSYMS) { + delete SDNEWSYMS[I - SDNUMINSYMS]; } - m_pModule->JBig2_Free(SDNEWSYMS); - if(SDREFAGG == 0) { - m_pModule->JBig2_Free(SDNEWSYMWIDTHS); + } + if (J < SDNUMEXSYMS) { + pDict->SDNUMEXSYMS = J; + } + m_pModule->JBig2_Free(EXFLAGS); + m_pModule->JBig2_Free(SDNEWSYMS); + delete IADH; + delete IADW; + delete IAAI; + delete IARDX; + delete IARDY; + delete IAEX; + delete IAID; + delete IADT; + delete IAFS; + delete IADS; + delete IAIT; + delete IARI; + delete IARDW; + delete IARDH; + return pDict; +failed: + for (I = 0; I < NSYMSDECODED; I++) { + if (SDNEWSYMS[I]) { + delete SDNEWSYMS[I]; + SDNEWSYMS[I] = NULL; } - delete pHuffmanDecoder; - return NULL; + } + m_pModule->JBig2_Free(SDNEWSYMS); + delete IADH; + delete IADW; + delete IAAI; + delete IARDX; + delete IARDY; + delete IAEX; + delete IAID; + delete IADT; + delete IAFS; + delete IADS; + delete IAIT; + delete IARI; + delete IARDW; + delete IARDH; + return NULL; } -CJBig2_Image *CJBig2_HTRDProc::decode_Arith(CJBig2_ArithDecoder *pArithDecoder, - JBig2ArithCtx *gbContext, IFX_Pause* pPause) -{ - FX_DWORD ng, mg; - int32_t x, y; - CJBig2_Image *HSKIP; - FX_DWORD HBPP; - FX_DWORD *GI; - CJBig2_Image *HTREG; - CJBig2_GSIDProc *pGID; - JBIG2_ALLOC(HTREG, CJBig2_Image(HBW, HBH)); - HTREG->fill(HDEFPIXEL); - HSKIP = NULL; - if(HENABLESKIP == 1) { - JBIG2_ALLOC(HSKIP, CJBig2_Image(HGW, HGH)); - for(mg = 0; mg < HGH; mg++) { - for(ng = 0; ng < HGW; ng++) { - x = (HGX + mg * HRY + ng * HRX) >> 8; - y = (HGY + mg * HRX - ng * HRY) >> 8; - if((x + HPW <= 0) | (x >= (int32_t)HBW) - | (y + HPH <= 0) | (y >= (int32_t)HPH)) { - HSKIP->setPixel(ng, mg, 1); - } else { - HSKIP->setPixel(ng, mg, 0); - } - } - } +CJBig2_SymbolDict* CJBig2_SDDProc::decode_Huffman(CJBig2_BitStream* pStream, + JBig2ArithCtx* gbContext, + JBig2ArithCtx* grContext, + IFX_Pause* pPause) { + CJBig2_Image** SDNEWSYMS; + FX_DWORD* SDNEWSYMWIDTHS; + FX_DWORD HCHEIGHT, NSYMSDECODED; + int32_t HCDH; + FX_DWORD SYMWIDTH, TOTWIDTH, HCFIRSTSYM; + int32_t DW; + CJBig2_Image *BS, *BHC; + FX_DWORD I, J, REFAGGNINST; + FX_BOOL* EXFLAGS; + FX_DWORD EXINDEX; + FX_BOOL CUREXFLAG; + FX_DWORD EXRUNLENGTH; + int32_t nVal, nBits; + FX_DWORD nTmp; + FX_DWORD SBNUMSYMS; + uint8_t SBSYMCODELEN; + JBig2HuffmanCode* SBSYMCODES; + FX_DWORD IDI; + int32_t RDXI, RDYI; + FX_DWORD BMSIZE; + FX_DWORD stride; + CJBig2_Image** SBSYMS; + CJBig2_HuffmanTable *SBHUFFFS, *SBHUFFDS, *SBHUFFDT, *SBHUFFRDW, *SBHUFFRDH, + *SBHUFFRDX, *SBHUFFRDY, *SBHUFFRSIZE, *pTable; + CJBig2_HuffmanDecoder* pHuffmanDecoder; + CJBig2_GRRDProc* pGRRD; + CJBig2_ArithDecoder* pArithDecoder; + CJBig2_GRDProc* pGRD; + CJBig2_SymbolDict* pDict; + JBIG2_ALLOC(pHuffmanDecoder, CJBig2_HuffmanDecoder(pStream)); + SDNEWSYMS = (CJBig2_Image**)m_pModule->JBig2_Malloc2(SDNUMNEWSYMS, + sizeof(CJBig2_Image*)); + FXSYS_memset(SDNEWSYMS, 0, SDNUMNEWSYMS * sizeof(CJBig2_Image*)); + SDNEWSYMWIDTHS = NULL; + BHC = NULL; + if (SDREFAGG == 0) { + SDNEWSYMWIDTHS = + (FX_DWORD*)m_pModule->JBig2_Malloc2(SDNUMNEWSYMS, sizeof(FX_DWORD)); + FXSYS_memset(SDNEWSYMWIDTHS, 0, SDNUMNEWSYMS * sizeof(FX_DWORD)); + } + HCHEIGHT = 0; + NSYMSDECODED = 0; + BS = NULL; + while (NSYMSDECODED < SDNUMNEWSYMS) { + if (pHuffmanDecoder->decodeAValue(SDHUFFDH, &HCDH) != 0) { + m_pModule->JBig2_Error( + "symbol dictionary decoding procedure (huffman): too short."); + goto failed; } - HBPP = 1; - while((FX_DWORD)(1 << HBPP) < HNUMPATS) { - HBPP ++; + HCHEIGHT = HCHEIGHT + HCDH; + if ((int)HCHEIGHT < 0 || (int)HCHEIGHT > JBIG2_MAX_IMAGE_SIZE) { + m_pModule->JBig2_Error( + "symbol dictionary decoding procedure (huffman): invalid HCHEIGHT " + "value."); + goto failed; } - JBIG2_ALLOC(pGID, CJBig2_GSIDProc()); - pGID->GSMMR = HMMR; - pGID->GSW = HGW; - pGID->GSH = HGH; - pGID->GSBPP = (uint8_t)HBPP; - pGID->GSUSESKIP = HENABLESKIP; - pGID->GSKIP = HSKIP; - pGID->GSTEMPLATE = HTEMPLATE; - GI = pGID->decode_Arith(pArithDecoder, gbContext, pPause); - if(GI == NULL) { + SYMWIDTH = 0; + TOTWIDTH = 0; + HCFIRSTSYM = NSYMSDECODED; + for (;;) { + nVal = pHuffmanDecoder->decodeAValue(SDHUFFDW, &DW); + if (nVal == JBIG2_OOB) { + break; + } else if (nVal != 0) { + m_pModule->JBig2_Error( + "symbol dictionary decoding procedure (huffman): too short."); goto failed; - } - for(mg = 0; mg < HGH; mg++) { - for(ng = 0; ng < HGW; ng++) { - x = (HGX + mg * HRY + ng * HRX) >> 8; - y = (HGY + mg * HRX - ng * HRY) >> 8; - FX_DWORD pat_index = GI[mg * HGW + ng]; - if (pat_index >= HNUMPATS) { - pat_index = HNUMPATS - 1; + } else { + if (NSYMSDECODED >= SDNUMNEWSYMS) { + m_pModule->JBig2_Error( + "symbol dictionary decoding procedure (huffman): NSYMSDECODED >= " + "SDNUMNEWSYMS."); + goto failed; + } + SYMWIDTH = SYMWIDTH + DW; + if ((int)SYMWIDTH < 0 || (int)SYMWIDTH > JBIG2_MAX_IMAGE_SIZE) { + m_pModule->JBig2_Error( + "symbol dictionary decoding procedure (huffman): invalid " + "SYMWIDTH value."); + goto failed; + } else if (HCHEIGHT == 0 || SYMWIDTH == 0) { + TOTWIDTH = TOTWIDTH + SYMWIDTH; + SDNEWSYMS[NSYMSDECODED] = NULL; + NSYMSDECODED = NSYMSDECODED + 1; + continue; + } + TOTWIDTH = TOTWIDTH + SYMWIDTH; + } + if (SDREFAGG == 1) { + if (pHuffmanDecoder->decodeAValue(SDHUFFAGGINST, (int*)&REFAGGNINST) != + 0) { + m_pModule->JBig2_Error( + "symbol dictionary decoding procedure (huffman): too short."); + goto failed; + } + BS = NULL; + if (REFAGGNINST > 1) { + CJBig2_TRDProc* pDecoder; + JBIG2_ALLOC(pDecoder, CJBig2_TRDProc()); + pDecoder->SBHUFF = SDHUFF; + pDecoder->SBREFINE = 1; + pDecoder->SBW = SYMWIDTH; + pDecoder->SBH = HCHEIGHT; + pDecoder->SBNUMINSTANCES = REFAGGNINST; + pDecoder->SBSTRIPS = 1; + pDecoder->SBNUMSYMS = SDNUMINSYMS + NSYMSDECODED; + SBNUMSYMS = pDecoder->SBNUMSYMS; + SBSYMCODES = (JBig2HuffmanCode*)m_pModule->JBig2_Malloc2( + SBNUMSYMS, sizeof(JBig2HuffmanCode)); + nTmp = 1; + while ((FX_DWORD)(1 << nTmp) < SBNUMSYMS) { + nTmp++; + } + for (I = 0; I < SBNUMSYMS; I++) { + SBSYMCODES[I].codelen = nTmp; + SBSYMCODES[I].code = I; + } + pDecoder->SBSYMCODES = SBSYMCODES; + SBSYMS = (CJBig2_Image**)m_pModule->JBig2_Malloc2( + SBNUMSYMS, sizeof(CJBig2_Image*)); + JBIG2_memcpy(SBSYMS, SDINSYMS, SDNUMINSYMS * sizeof(CJBig2_Image*)); + JBIG2_memcpy(SBSYMS + SDNUMINSYMS, SDNEWSYMS, + NSYMSDECODED * sizeof(CJBig2_Image*)); + pDecoder->SBSYMS = SBSYMS; + pDecoder->SBDEFPIXEL = 0; + pDecoder->SBCOMBOP = JBIG2_COMPOSE_OR; + pDecoder->TRANSPOSED = 0; + pDecoder->REFCORNER = JBIG2_CORNER_TOPLEFT; + pDecoder->SBDSOFFSET = 0; + JBIG2_ALLOC(SBHUFFFS, CJBig2_HuffmanTable(HuffmanTable_B6, + sizeof(HuffmanTable_B6) / + sizeof(JBig2TableLine), + HuffmanTable_HTOOB_B6)); + JBIG2_ALLOC(SBHUFFDS, CJBig2_HuffmanTable(HuffmanTable_B8, + sizeof(HuffmanTable_B8) / + sizeof(JBig2TableLine), + HuffmanTable_HTOOB_B8)); + JBIG2_ALLOC(SBHUFFDT, CJBig2_HuffmanTable(HuffmanTable_B11, + sizeof(HuffmanTable_B11) / + sizeof(JBig2TableLine), + HuffmanTable_HTOOB_B11)); + JBIG2_ALLOC(SBHUFFRDW, CJBig2_HuffmanTable(HuffmanTable_B15, + sizeof(HuffmanTable_B15) / + sizeof(JBig2TableLine), + HuffmanTable_HTOOB_B15)); + JBIG2_ALLOC(SBHUFFRDH, CJBig2_HuffmanTable(HuffmanTable_B15, + sizeof(HuffmanTable_B15) / + sizeof(JBig2TableLine), + HuffmanTable_HTOOB_B15)); + JBIG2_ALLOC(SBHUFFRDX, CJBig2_HuffmanTable(HuffmanTable_B15, + sizeof(HuffmanTable_B15) / + sizeof(JBig2TableLine), + HuffmanTable_HTOOB_B15)); + JBIG2_ALLOC(SBHUFFRDY, CJBig2_HuffmanTable(HuffmanTable_B15, + sizeof(HuffmanTable_B15) / + sizeof(JBig2TableLine), + HuffmanTable_HTOOB_B15)); + JBIG2_ALLOC(SBHUFFRSIZE, + CJBig2_HuffmanTable( + HuffmanTable_B1, + sizeof(HuffmanTable_B1) / sizeof(JBig2TableLine), + HuffmanTable_HTOOB_B1)); + pDecoder->SBHUFFFS = SBHUFFFS; + pDecoder->SBHUFFDS = SBHUFFDS; + pDecoder->SBHUFFDT = SBHUFFDT; + pDecoder->SBHUFFRDW = SBHUFFRDW; + pDecoder->SBHUFFRDH = SBHUFFRDH; + pDecoder->SBHUFFRDX = SBHUFFRDX; + pDecoder->SBHUFFRDY = SBHUFFRDY; + pDecoder->SBHUFFRSIZE = SBHUFFRSIZE; + pDecoder->SBRTEMPLATE = SDRTEMPLATE; + pDecoder->SBRAT[0] = SDRAT[0]; + pDecoder->SBRAT[1] = SDRAT[1]; + pDecoder->SBRAT[2] = SDRAT[2]; + pDecoder->SBRAT[3] = SDRAT[3]; + BS = pDecoder->decode_Huffman(pStream, grContext); + if (BS == NULL) { + m_pModule->JBig2_Free(SBSYMCODES); + m_pModule->JBig2_Free(SBSYMS); + delete SBHUFFFS; + delete SBHUFFDS; + delete SBHUFFDT; + delete SBHUFFRDW; + delete SBHUFFRDH; + delete SBHUFFRDX; + delete SBHUFFRDY; + delete SBHUFFRSIZE; + delete pDecoder; + goto failed; + } + m_pModule->JBig2_Free(SBSYMCODES); + m_pModule->JBig2_Free(SBSYMS); + delete SBHUFFFS; + delete SBHUFFDS; + delete SBHUFFDT; + delete SBHUFFRDW; + delete SBHUFFRDH; + delete SBHUFFRDX; + delete SBHUFFRDY; + delete SBHUFFRSIZE; + delete pDecoder; + } else if (REFAGGNINST == 1) { + SBNUMSYMS = SDNUMINSYMS + SDNUMNEWSYMS; + nTmp = 1; + while ((FX_DWORD)(1 << nTmp) < SBNUMSYMS) { + nTmp++; + } + SBSYMCODELEN = (uint8_t)nTmp; + SBSYMCODES = (JBig2HuffmanCode*)m_pModule->JBig2_Malloc2( + SBNUMSYMS, sizeof(JBig2HuffmanCode)); + for (I = 0; I < SBNUMSYMS; I++) { + SBSYMCODES[I].codelen = SBSYMCODELEN; + SBSYMCODES[I].code = I; + } + nVal = 0; + nBits = 0; + for (;;) { + if (pStream->read1Bit(&nTmp) != 0) { + m_pModule->JBig2_Free(SBSYMCODES); + m_pModule->JBig2_Error( + "symbol dictionary decoding procedure (huffman): too short."); + goto failed; + } + nVal = (nVal << 1) | nTmp; + for (IDI = 0; IDI < SBNUMSYMS; IDI++) { + if ((nVal == SBSYMCODES[IDI].code) && + (nBits == SBSYMCODES[IDI].codelen)) { + break; + } + } + if (IDI < SBNUMSYMS) { + break; } - HTREG->composeFrom(x, y, HPATS[pat_index], HCOMBOP); + } + m_pModule->JBig2_Free(SBSYMCODES); + JBIG2_ALLOC(SBHUFFRDX, CJBig2_HuffmanTable(HuffmanTable_B15, + sizeof(HuffmanTable_B15) / + sizeof(JBig2TableLine), + HuffmanTable_HTOOB_B15)); + JBIG2_ALLOC(SBHUFFRSIZE, + CJBig2_HuffmanTable( + HuffmanTable_B1, + sizeof(HuffmanTable_B1) / sizeof(JBig2TableLine), + HuffmanTable_HTOOB_B1)); + if ((pHuffmanDecoder->decodeAValue(SBHUFFRDX, &RDXI) != 0) || + (pHuffmanDecoder->decodeAValue(SBHUFFRDX, &RDYI) != 0) || + (pHuffmanDecoder->decodeAValue(SBHUFFRSIZE, &nVal) != 0)) { + delete SBHUFFRDX; + delete SBHUFFRSIZE; + m_pModule->JBig2_Error( + "symbol dictionary decoding procedure (huffman): too short."); + goto failed; + } + delete SBHUFFRDX; + delete SBHUFFRSIZE; + pStream->alignByte(); + nTmp = pStream->getOffset(); + SBSYMS = (CJBig2_Image**)m_pModule->JBig2_Malloc2( + SBNUMSYMS, sizeof(CJBig2_Image*)); + JBIG2_memcpy(SBSYMS, SDINSYMS, SDNUMINSYMS * sizeof(CJBig2_Image*)); + JBIG2_memcpy(SBSYMS + SDNUMINSYMS, SDNEWSYMS, + NSYMSDECODED * sizeof(CJBig2_Image*)); + JBIG2_ALLOC(pGRRD, CJBig2_GRRDProc()); + pGRRD->GRW = SYMWIDTH; + pGRRD->GRH = HCHEIGHT; + pGRRD->GRTEMPLATE = SDRTEMPLATE; + pGRRD->GRREFERENCE = SBSYMS[IDI]; + pGRRD->GRREFERENCEDX = RDXI; + pGRRD->GRREFERENCEDY = RDYI; + pGRRD->TPGRON = 0; + pGRRD->GRAT[0] = SDRAT[0]; + pGRRD->GRAT[1] = SDRAT[1]; + pGRRD->GRAT[2] = SDRAT[2]; + pGRRD->GRAT[3] = SDRAT[3]; + JBIG2_ALLOC(pArithDecoder, CJBig2_ArithDecoder(pStream)); + BS = pGRRD->decode(pArithDecoder, grContext); + if (BS == NULL) { + m_pModule->JBig2_Free(SBSYMS); + delete pGRRD; + delete pArithDecoder; + goto failed; + } + pStream->alignByte(); + pStream->offset(2); + if ((FX_DWORD)nVal != (pStream->getOffset() - nTmp)) { + delete BS; + m_pModule->JBig2_Free(SBSYMS); + delete pGRRD; + delete pArithDecoder; + m_pModule->JBig2_Error( + "symbol dictionary decoding procedure (huffman):" + "bytes processed by generic refinement region decoding " + "procedure doesn't equal SBHUFFRSIZE."); + goto failed; + } + m_pModule->JBig2_Free(SBSYMS); + delete pGRRD; + delete pArithDecoder; } + SDNEWSYMS[NSYMSDECODED] = BS; + } + if (SDREFAGG == 0) { + SDNEWSYMWIDTHS[NSYMSDECODED] = SYMWIDTH; + } + NSYMSDECODED = NSYMSDECODED + 1; } - m_pModule->JBig2_Free(GI); - delete HSKIP; - delete pGID; - return HTREG; -failed: - delete HSKIP; - delete pGID; - delete HTREG; - return NULL; -} -CJBig2_Image *CJBig2_HTRDProc::decode_MMR(CJBig2_BitStream *pStream, IFX_Pause* pPause) -{ - FX_DWORD ng, mg; - int32_t x, y; - FX_DWORD HBPP; - FX_DWORD *GI; - CJBig2_Image *HTREG; - CJBig2_GSIDProc *pGID; - JBIG2_ALLOC(HTREG, CJBig2_Image(HBW, HBH)); - HTREG->fill(HDEFPIXEL); - HBPP = 1; - while((FX_DWORD)(1 << HBPP) < HNUMPATS) { - HBPP ++; - } - JBIG2_ALLOC(pGID, CJBig2_GSIDProc()); - pGID->GSMMR = HMMR; - pGID->GSW = HGW; - pGID->GSH = HGH; - pGID->GSBPP = (uint8_t)HBPP; - pGID->GSUSESKIP = 0; - GI = pGID->decode_MMR(pStream, pPause); - if(GI == NULL) { + if (SDREFAGG == 0) { + if (pHuffmanDecoder->decodeAValue(SDHUFFBMSIZE, (int32_t*)&BMSIZE) != 0) { + m_pModule->JBig2_Error( + "symbol dictionary decoding procedure (huffman): too short."); goto failed; - } - for(mg = 0; mg < HGH; mg++) { - for(ng = 0; ng < HGW; ng++) { - x = (HGX + mg * HRY + ng * HRX) >> 8; - y = (HGY + mg * HRX - ng * HRY) >> 8; - FX_DWORD pat_index = GI[mg * HGW + ng]; - if (pat_index >= HNUMPATS) { - pat_index = HNUMPATS - 1; - } - HTREG->composeFrom(x, y, HPATS[pat_index], HCOMBOP); + } + pStream->alignByte(); + if (BMSIZE == 0) { + stride = (TOTWIDTH + 7) >> 3; + if (pStream->getByteLeft() >= stride * HCHEIGHT) { + JBIG2_ALLOC(BHC, CJBig2_Image(TOTWIDTH, HCHEIGHT)); + for (I = 0; I < HCHEIGHT; I++) { + JBIG2_memcpy(BHC->m_pData + I * BHC->m_nStride, + pStream->getPointer(), stride); + pStream->offset(stride); + } + } else { + m_pModule->JBig2_Error( + "symbol dictionary decoding procedure (huffman): too short."); + goto failed; } + } else { + JBIG2_ALLOC(pGRD, CJBig2_GRDProc()); + pGRD->MMR = 1; + pGRD->GBW = TOTWIDTH; + pGRD->GBH = HCHEIGHT; + FXCODEC_STATUS status = pGRD->Start_decode_MMR(&BHC, pStream); + while (status == FXCODEC_STATUS_DECODE_TOBECONTINUE) { + pGRD->Continue_decode(pPause); + } + delete pGRD; + pStream->alignByte(); + } + nTmp = 0; + if (!BHC) { + continue; + } + for (I = HCFIRSTSYM; I < NSYMSDECODED; I++) { + SDNEWSYMS[I] = BHC->subImage(nTmp, 0, SDNEWSYMWIDTHS[I], HCHEIGHT); + nTmp += SDNEWSYMWIDTHS[I]; + } + delete BHC; + BHC = NULL; + } + } + EXINDEX = 0; + CUREXFLAG = 0; + JBIG2_ALLOC(pTable, CJBig2_HuffmanTable( + HuffmanTable_B1, + sizeof(HuffmanTable_B1) / sizeof(JBig2TableLine), + HuffmanTable_HTOOB_B1)); + EXFLAGS = (FX_BOOL*)m_pModule->JBig2_Malloc2(sizeof(FX_BOOL), + (SDNUMINSYMS + SDNUMNEWSYMS)); + while (EXINDEX < SDNUMINSYMS + SDNUMNEWSYMS) { + if (pHuffmanDecoder->decodeAValue(pTable, (int*)&EXRUNLENGTH) != 0) { + delete pTable; + m_pModule->JBig2_Free(EXFLAGS); + m_pModule->JBig2_Error( + "symbol dictionary decoding procedure (huffman): too short."); + goto failed; + } + if (EXINDEX + EXRUNLENGTH > SDNUMINSYMS + SDNUMNEWSYMS) { + delete pTable; + m_pModule->JBig2_Free(EXFLAGS); + m_pModule->JBig2_Error( + "symbol dictionary decoding procedure (arith): Invalid EXRUNLENGTH " + "value."); + goto failed; + } + if (EXRUNLENGTH != 0) { + for (I = EXINDEX; I < EXINDEX + EXRUNLENGTH; I++) { + EXFLAGS[I] = CUREXFLAG; + } } - m_pModule->JBig2_Free(GI); - delete pGID; - return HTREG; + EXINDEX = EXINDEX + EXRUNLENGTH; + CUREXFLAG = !CUREXFLAG; + } + delete pTable; + JBIG2_ALLOC(pDict, CJBig2_SymbolDict()); + pDict->SDNUMEXSYMS = SDNUMEXSYMS; + pDict->SDEXSYMS = (CJBig2_Image**)m_pModule->JBig2_Malloc2( + sizeof(CJBig2_Image*), SDNUMEXSYMS); + I = J = 0; + for (I = 0; I < SDNUMINSYMS + SDNUMNEWSYMS; I++) { + if (EXFLAGS[I] && J < SDNUMEXSYMS) { + if (I < SDNUMINSYMS) { + JBIG2_ALLOC(pDict->SDEXSYMS[J], CJBig2_Image(*SDINSYMS[I])); + } else { + pDict->SDEXSYMS[J] = SDNEWSYMS[I - SDNUMINSYMS]; + } + J = J + 1; + } else if (!EXFLAGS[I] && I >= SDNUMINSYMS) { + delete SDNEWSYMS[I - SDNUMINSYMS]; + } + } + if (J < SDNUMEXSYMS) { + pDict->SDNUMEXSYMS = J; + } + m_pModule->JBig2_Free(EXFLAGS); + m_pModule->JBig2_Free(SDNEWSYMS); + if (SDREFAGG == 0) { + m_pModule->JBig2_Free(SDNEWSYMWIDTHS); + } + delete pHuffmanDecoder; + return pDict; failed: - delete pGID; - delete HTREG; - return NULL; + for (I = 0; I < NSYMSDECODED; I++) { + delete SDNEWSYMS[I]; + } + m_pModule->JBig2_Free(SDNEWSYMS); + if (SDREFAGG == 0) { + m_pModule->JBig2_Free(SDNEWSYMWIDTHS); + } + delete pHuffmanDecoder; + return NULL; } -CJBig2_PatternDict *CJBig2_PDDProc::decode_Arith(CJBig2_ArithDecoder *pArithDecoder, - JBig2ArithCtx *gbContext, IFX_Pause* pPause) -{ - FX_DWORD GRAY; - CJBig2_Image *BHDC = NULL; - CJBig2_PatternDict *pDict; - CJBig2_GRDProc *pGRD; - JBIG2_ALLOC(pDict, CJBig2_PatternDict()); - pDict->NUMPATS = GRAYMAX + 1; - pDict->HDPATS = (CJBig2_Image**)m_pModule->JBig2_Malloc2(sizeof(CJBig2_Image*), pDict->NUMPATS); - JBIG2_memset(pDict->HDPATS, 0, sizeof(CJBig2_Image*)*pDict->NUMPATS); - JBIG2_ALLOC(pGRD, CJBig2_GRDProc()); - pGRD->MMR = HDMMR; - pGRD->GBW = (GRAYMAX + 1) * HDPW; - pGRD->GBH = HDPH; - pGRD->GBTEMPLATE = HDTEMPLATE; - pGRD->TPGDON = 0; - pGRD->USESKIP = 0; - pGRD->GBAT[0] = -(int32_t)HDPW; - pGRD->GBAT[1] = 0; - if(pGRD->GBTEMPLATE == 0) { - pGRD->GBAT[2] = -3; - pGRD->GBAT[3] = -1; - pGRD->GBAT[4] = 2; - pGRD->GBAT[5] = -2; - pGRD->GBAT[6] = -2; - pGRD->GBAT[7] = -2; +CJBig2_Image* CJBig2_HTRDProc::decode_Arith(CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* gbContext, + IFX_Pause* pPause) { + FX_DWORD ng, mg; + int32_t x, y; + CJBig2_Image* HSKIP; + FX_DWORD HBPP; + FX_DWORD* GI; + CJBig2_Image* HTREG; + CJBig2_GSIDProc* pGID; + JBIG2_ALLOC(HTREG, CJBig2_Image(HBW, HBH)); + HTREG->fill(HDEFPIXEL); + HSKIP = NULL; + if (HENABLESKIP == 1) { + JBIG2_ALLOC(HSKIP, CJBig2_Image(HGW, HGH)); + for (mg = 0; mg < HGH; mg++) { + for (ng = 0; ng < HGW; ng++) { + x = (HGX + mg * HRY + ng * HRX) >> 8; + y = (HGY + mg * HRX - ng * HRY) >> 8; + if ((x + HPW <= 0) | (x >= (int32_t)HBW) | (y + HPH <= 0) | + (y >= (int32_t)HPH)) { + HSKIP->setPixel(ng, mg, 1); + } else { + HSKIP->setPixel(ng, mg, 0); + } + } } - FXCODEC_STATUS status = pGRD->Start_decode_Arith(&BHDC, pArithDecoder, gbContext); - while(status == FXCODEC_STATUS_DECODE_TOBECONTINUE) { - pGRD->Continue_decode(pPause); + } + HBPP = 1; + while ((FX_DWORD)(1 << HBPP) < HNUMPATS) { + HBPP++; + } + JBIG2_ALLOC(pGID, CJBig2_GSIDProc()); + pGID->GSMMR = HMMR; + pGID->GSW = HGW; + pGID->GSH = HGH; + pGID->GSBPP = (uint8_t)HBPP; + pGID->GSUSESKIP = HENABLESKIP; + pGID->GSKIP = HSKIP; + pGID->GSTEMPLATE = HTEMPLATE; + GI = pGID->decode_Arith(pArithDecoder, gbContext, pPause); + if (GI == NULL) { + goto failed; + } + for (mg = 0; mg < HGH; mg++) { + for (ng = 0; ng < HGW; ng++) { + x = (HGX + mg * HRY + ng * HRX) >> 8; + y = (HGY + mg * HRX - ng * HRY) >> 8; + FX_DWORD pat_index = GI[mg * HGW + ng]; + if (pat_index >= HNUMPATS) { + pat_index = HNUMPATS - 1; + } + HTREG->composeFrom(x, y, HPATS[pat_index], HCOMBOP); } - if(BHDC == NULL) { - delete pGRD; - goto failed; + } + m_pModule->JBig2_Free(GI); + delete HSKIP; + delete pGID; + return HTREG; +failed: + delete HSKIP; + delete pGID; + delete HTREG; + return NULL; +} +CJBig2_Image* CJBig2_HTRDProc::decode_MMR(CJBig2_BitStream* pStream, + IFX_Pause* pPause) { + FX_DWORD ng, mg; + int32_t x, y; + FX_DWORD HBPP; + FX_DWORD* GI; + CJBig2_Image* HTREG; + CJBig2_GSIDProc* pGID; + JBIG2_ALLOC(HTREG, CJBig2_Image(HBW, HBH)); + HTREG->fill(HDEFPIXEL); + HBPP = 1; + while ((FX_DWORD)(1 << HBPP) < HNUMPATS) { + HBPP++; + } + JBIG2_ALLOC(pGID, CJBig2_GSIDProc()); + pGID->GSMMR = HMMR; + pGID->GSW = HGW; + pGID->GSH = HGH; + pGID->GSBPP = (uint8_t)HBPP; + pGID->GSUSESKIP = 0; + GI = pGID->decode_MMR(pStream, pPause); + if (GI == NULL) { + goto failed; + } + for (mg = 0; mg < HGH; mg++) { + for (ng = 0; ng < HGW; ng++) { + x = (HGX + mg * HRY + ng * HRX) >> 8; + y = (HGY + mg * HRX - ng * HRY) >> 8; + FX_DWORD pat_index = GI[mg * HGW + ng]; + if (pat_index >= HNUMPATS) { + pat_index = HNUMPATS - 1; + } + HTREG->composeFrom(x, y, HPATS[pat_index], HCOMBOP); } + } + m_pModule->JBig2_Free(GI); + delete pGID; + return HTREG; +failed: + delete pGID; + delete HTREG; + return NULL; +} +CJBig2_PatternDict* CJBig2_PDDProc::decode_Arith( + CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* gbContext, + IFX_Pause* pPause) { + FX_DWORD GRAY; + CJBig2_Image* BHDC = NULL; + CJBig2_PatternDict* pDict; + CJBig2_GRDProc* pGRD; + JBIG2_ALLOC(pDict, CJBig2_PatternDict()); + pDict->NUMPATS = GRAYMAX + 1; + pDict->HDPATS = (CJBig2_Image**)m_pModule->JBig2_Malloc2( + sizeof(CJBig2_Image*), pDict->NUMPATS); + JBIG2_memset(pDict->HDPATS, 0, sizeof(CJBig2_Image*) * pDict->NUMPATS); + JBIG2_ALLOC(pGRD, CJBig2_GRDProc()); + pGRD->MMR = HDMMR; + pGRD->GBW = (GRAYMAX + 1) * HDPW; + pGRD->GBH = HDPH; + pGRD->GBTEMPLATE = HDTEMPLATE; + pGRD->TPGDON = 0; + pGRD->USESKIP = 0; + pGRD->GBAT[0] = -(int32_t)HDPW; + pGRD->GBAT[1] = 0; + if (pGRD->GBTEMPLATE == 0) { + pGRD->GBAT[2] = -3; + pGRD->GBAT[3] = -1; + pGRD->GBAT[4] = 2; + pGRD->GBAT[5] = -2; + pGRD->GBAT[6] = -2; + pGRD->GBAT[7] = -2; + } + FXCODEC_STATUS status = + pGRD->Start_decode_Arith(&BHDC, pArithDecoder, gbContext); + while (status == FXCODEC_STATUS_DECODE_TOBECONTINUE) { + pGRD->Continue_decode(pPause); + } + if (BHDC == NULL) { delete pGRD; - GRAY = 0; - while(GRAY <= GRAYMAX) { - pDict->HDPATS[GRAY] = BHDC->subImage(HDPW * GRAY, 0, HDPW, HDPH); - GRAY = GRAY + 1; - } - delete BHDC; - return pDict; + goto failed; + } + delete pGRD; + GRAY = 0; + while (GRAY <= GRAYMAX) { + pDict->HDPATS[GRAY] = BHDC->subImage(HDPW * GRAY, 0, HDPW, HDPH); + GRAY = GRAY + 1; + } + delete BHDC; + return pDict; failed: - delete pDict; - return NULL; + delete pDict; + return NULL; } -CJBig2_PatternDict *CJBig2_PDDProc::decode_MMR(CJBig2_BitStream *pStream, IFX_Pause* pPause) -{ - FX_DWORD GRAY; - CJBig2_Image *BHDC = NULL; - CJBig2_PatternDict *pDict; - CJBig2_GRDProc *pGRD; - JBIG2_ALLOC(pDict, CJBig2_PatternDict()); - pDict->NUMPATS = GRAYMAX + 1; - pDict->HDPATS = (CJBig2_Image**)m_pModule->JBig2_Malloc2(sizeof(CJBig2_Image*), pDict->NUMPATS); - JBIG2_memset(pDict->HDPATS, 0, sizeof(CJBig2_Image*)*pDict->NUMPATS); - JBIG2_ALLOC(pGRD, CJBig2_GRDProc()); - pGRD->MMR = HDMMR; - pGRD->GBW = (GRAYMAX + 1) * HDPW; - pGRD->GBH = HDPH; - FXCODEC_STATUS status = pGRD->Start_decode_MMR(&BHDC, pStream); - while(status == FXCODEC_STATUS_DECODE_TOBECONTINUE) { - pGRD->Continue_decode(pPause); - } - if(BHDC == NULL) { - delete pGRD; - goto failed; - } +CJBig2_PatternDict* CJBig2_PDDProc::decode_MMR(CJBig2_BitStream* pStream, + IFX_Pause* pPause) { + FX_DWORD GRAY; + CJBig2_Image* BHDC = NULL; + CJBig2_PatternDict* pDict; + CJBig2_GRDProc* pGRD; + JBIG2_ALLOC(pDict, CJBig2_PatternDict()); + pDict->NUMPATS = GRAYMAX + 1; + pDict->HDPATS = (CJBig2_Image**)m_pModule->JBig2_Malloc2( + sizeof(CJBig2_Image*), pDict->NUMPATS); + JBIG2_memset(pDict->HDPATS, 0, sizeof(CJBig2_Image*) * pDict->NUMPATS); + JBIG2_ALLOC(pGRD, CJBig2_GRDProc()); + pGRD->MMR = HDMMR; + pGRD->GBW = (GRAYMAX + 1) * HDPW; + pGRD->GBH = HDPH; + FXCODEC_STATUS status = pGRD->Start_decode_MMR(&BHDC, pStream); + while (status == FXCODEC_STATUS_DECODE_TOBECONTINUE) { + pGRD->Continue_decode(pPause); + } + if (BHDC == NULL) { delete pGRD; - GRAY = 0; - while(GRAY <= GRAYMAX) { - pDict->HDPATS[GRAY] = BHDC->subImage(HDPW * GRAY, 0, HDPW, HDPH); - GRAY = GRAY + 1; - } - delete BHDC; - return pDict; + goto failed; + } + delete pGRD; + GRAY = 0; + while (GRAY <= GRAYMAX) { + pDict->HDPATS[GRAY] = BHDC->subImage(HDPW * GRAY, 0, HDPW, HDPH); + GRAY = GRAY + 1; + } + delete BHDC; + return pDict; failed: - delete pDict; - return NULL; + delete pDict; + return NULL; } -FX_DWORD *CJBig2_GSIDProc::decode_Arith(CJBig2_ArithDecoder *pArithDecoder, - JBig2ArithCtx *gbContext, IFX_Pause* pPause) -{ - CJBig2_Image **GSPLANES; - int32_t J, K; - FX_DWORD x, y; - FX_DWORD *GSVALS; - CJBig2_GRDProc *pGRD; - GSPLANES = (CJBig2_Image **)m_pModule->JBig2_Malloc2(sizeof(CJBig2_Image*), GSBPP); - if (!GSPLANES) { - return NULL; - } - GSVALS = (FX_DWORD*)m_pModule->JBig2_Malloc3(sizeof(FX_DWORD), GSW, GSH); - if (!GSVALS) { - m_pModule->JBig2_Free(GSPLANES); - return NULL; - } - JBIG2_memset(GSPLANES, 0, sizeof(CJBig2_Image*)*GSBPP); - JBIG2_memset(GSVALS, 0, sizeof(FX_DWORD)*GSW * GSH); - JBIG2_ALLOC(pGRD, CJBig2_GRDProc()); - pGRD->MMR = GSMMR; - pGRD->GBW = GSW; - pGRD->GBH = GSH; - pGRD->GBTEMPLATE = GSTEMPLATE; - pGRD->TPGDON = 0; - pGRD->USESKIP = GSUSESKIP; - pGRD->SKIP = GSKIP; - if(GSTEMPLATE <= 1) { - pGRD->GBAT[0] = 3; - } else { - pGRD->GBAT[0] = 2; - } - pGRD->GBAT[1] = -1; - if(pGRD->GBTEMPLATE == 0) { - pGRD->GBAT[2] = -3; - pGRD->GBAT[3] = -1; - pGRD->GBAT[4] = 2; - pGRD->GBAT[5] = -2; - pGRD->GBAT[6] = -2; - pGRD->GBAT[7] = -2; - } - FXCODEC_STATUS status = pGRD->Start_decode_Arith(&GSPLANES[GSBPP - 1], pArithDecoder, gbContext); - while(status == FXCODEC_STATUS_DECODE_TOBECONTINUE) { - pGRD->Continue_decode(pPause); +FX_DWORD* CJBig2_GSIDProc::decode_Arith(CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* gbContext, + IFX_Pause* pPause) { + CJBig2_Image** GSPLANES; + int32_t J, K; + FX_DWORD x, y; + FX_DWORD* GSVALS; + CJBig2_GRDProc* pGRD; + GSPLANES = + (CJBig2_Image**)m_pModule->JBig2_Malloc2(sizeof(CJBig2_Image*), GSBPP); + if (!GSPLANES) { + return NULL; + } + GSVALS = (FX_DWORD*)m_pModule->JBig2_Malloc3(sizeof(FX_DWORD), GSW, GSH); + if (!GSVALS) { + m_pModule->JBig2_Free(GSPLANES); + return NULL; + } + JBIG2_memset(GSPLANES, 0, sizeof(CJBig2_Image*) * GSBPP); + JBIG2_memset(GSVALS, 0, sizeof(FX_DWORD) * GSW * GSH); + JBIG2_ALLOC(pGRD, CJBig2_GRDProc()); + pGRD->MMR = GSMMR; + pGRD->GBW = GSW; + pGRD->GBH = GSH; + pGRD->GBTEMPLATE = GSTEMPLATE; + pGRD->TPGDON = 0; + pGRD->USESKIP = GSUSESKIP; + pGRD->SKIP = GSKIP; + if (GSTEMPLATE <= 1) { + pGRD->GBAT[0] = 3; + } else { + pGRD->GBAT[0] = 2; + } + pGRD->GBAT[1] = -1; + if (pGRD->GBTEMPLATE == 0) { + pGRD->GBAT[2] = -3; + pGRD->GBAT[3] = -1; + pGRD->GBAT[4] = 2; + pGRD->GBAT[5] = -2; + pGRD->GBAT[6] = -2; + pGRD->GBAT[7] = -2; + } + FXCODEC_STATUS status = + pGRD->Start_decode_Arith(&GSPLANES[GSBPP - 1], pArithDecoder, gbContext); + while (status == FXCODEC_STATUS_DECODE_TOBECONTINUE) { + pGRD->Continue_decode(pPause); + } + if (GSPLANES[GSBPP - 1] == NULL) { + goto failed; + } + J = GSBPP - 2; + while (J >= 0) { + FXCODEC_STATUS status = + pGRD->Start_decode_Arith(&GSPLANES[J], pArithDecoder, gbContext); + while (status == FXCODEC_STATUS_DECODE_TOBECONTINUE) { + pGRD->Continue_decode(pPause); } - if(GSPLANES[GSBPP - 1] == NULL) { + if (GSPLANES[J] == NULL) { + for (K = GSBPP - 1; K > J; K--) { + delete GSPLANES[K]; goto failed; + } } - J = GSBPP - 2; - while(J >= 0) { - FXCODEC_STATUS status = pGRD->Start_decode_Arith(&GSPLANES[J], pArithDecoder, gbContext); - while(status == FXCODEC_STATUS_DECODE_TOBECONTINUE) { - pGRD->Continue_decode(pPause); - } - if(GSPLANES[J] == NULL) { - for(K = GSBPP - 1; K > J; K--) { - delete GSPLANES[K]; - goto failed; - } - } - GSPLANES[J]->composeFrom(0, 0, GSPLANES[J + 1], JBIG2_COMPOSE_XOR); - J = J - 1; - } - for(y = 0; y < GSH; y++) { - for(x = 0; x < GSW; x++) { - for(J = 0; J < GSBPP; J++) { - GSVALS[y * GSW + x] |= GSPLANES[J]->getPixel(x, y) << J; - } - } - } - for(J = 0; J < GSBPP; J++) { - delete GSPLANES[J]; + GSPLANES[J]->composeFrom(0, 0, GSPLANES[J + 1], JBIG2_COMPOSE_XOR); + J = J - 1; + } + for (y = 0; y < GSH; y++) { + for (x = 0; x < GSW; x++) { + for (J = 0; J < GSBPP; J++) { + GSVALS[y * GSW + x] |= GSPLANES[J]->getPixel(x, y) << J; + } } - m_pModule->JBig2_Free(GSPLANES); - delete pGRD; - return GSVALS; + } + for (J = 0; J < GSBPP; J++) { + delete GSPLANES[J]; + } + m_pModule->JBig2_Free(GSPLANES); + delete pGRD; + return GSVALS; failed: - m_pModule->JBig2_Free(GSPLANES); - delete pGRD; - m_pModule->JBig2_Free(GSVALS); - return NULL; + m_pModule->JBig2_Free(GSPLANES); + delete pGRD; + m_pModule->JBig2_Free(GSVALS); + return NULL; } -FX_DWORD *CJBig2_GSIDProc::decode_MMR(CJBig2_BitStream *pStream, IFX_Pause* pPause) -{ - CJBig2_Image **GSPLANES; - int32_t J, K; - FX_DWORD x, y; - FX_DWORD *GSVALS; - CJBig2_GRDProc *pGRD; - GSPLANES = (CJBig2_Image **)m_pModule->JBig2_Malloc2(sizeof(CJBig2_Image*), GSBPP); - if (!GSPLANES) { - return NULL; - } - GSVALS = (FX_DWORD*)m_pModule->JBig2_Malloc3(sizeof(FX_DWORD), GSW, GSH); - if (!GSVALS) { - if (GSPLANES) { - m_pModule->JBig2_Free(GSPLANES); - } - return NULL; +FX_DWORD* CJBig2_GSIDProc::decode_MMR(CJBig2_BitStream* pStream, + IFX_Pause* pPause) { + CJBig2_Image** GSPLANES; + int32_t J, K; + FX_DWORD x, y; + FX_DWORD* GSVALS; + CJBig2_GRDProc* pGRD; + GSPLANES = + (CJBig2_Image**)m_pModule->JBig2_Malloc2(sizeof(CJBig2_Image*), GSBPP); + if (!GSPLANES) { + return NULL; + } + GSVALS = (FX_DWORD*)m_pModule->JBig2_Malloc3(sizeof(FX_DWORD), GSW, GSH); + if (!GSVALS) { + if (GSPLANES) { + m_pModule->JBig2_Free(GSPLANES); } - JBIG2_memset(GSPLANES, 0, sizeof(CJBig2_Image*)*GSBPP); - JBIG2_memset(GSVALS, 0, sizeof(FX_DWORD)*GSW * GSH); - JBIG2_ALLOC(pGRD, CJBig2_GRDProc()); - pGRD->MMR = GSMMR; - pGRD->GBW = GSW; - pGRD->GBH = GSH; - FXCODEC_STATUS status = pGRD->Start_decode_MMR(&GSPLANES[GSBPP - 1], pStream); - while(status == FXCODEC_STATUS_DECODE_TOBECONTINUE) { - pGRD->Continue_decode(pPause); + return NULL; + } + JBIG2_memset(GSPLANES, 0, sizeof(CJBig2_Image*) * GSBPP); + JBIG2_memset(GSVALS, 0, sizeof(FX_DWORD) * GSW * GSH); + JBIG2_ALLOC(pGRD, CJBig2_GRDProc()); + pGRD->MMR = GSMMR; + pGRD->GBW = GSW; + pGRD->GBH = GSH; + FXCODEC_STATUS status = pGRD->Start_decode_MMR(&GSPLANES[GSBPP - 1], pStream); + while (status == FXCODEC_STATUS_DECODE_TOBECONTINUE) { + pGRD->Continue_decode(pPause); + } + if (GSPLANES[GSBPP - 1] == NULL) { + goto failed; + } + pStream->alignByte(); + pStream->offset(3); + J = GSBPP - 2; + while (J >= 0) { + FXCODEC_STATUS status = pGRD->Start_decode_MMR(&GSPLANES[J], pStream); + while (status == FXCODEC_STATUS_DECODE_TOBECONTINUE) { + pGRD->Continue_decode(pPause); } - if(GSPLANES[GSBPP - 1] == NULL) { + if (GSPLANES[J] == NULL) { + for (K = GSBPP - 1; K > J; K--) { + delete GSPLANES[K]; goto failed; + } } pStream->alignByte(); pStream->offset(3); - J = GSBPP - 2; - while(J >= 0) { - FXCODEC_STATUS status = pGRD->Start_decode_MMR(&GSPLANES[J], pStream); - while(status == FXCODEC_STATUS_DECODE_TOBECONTINUE) { - pGRD->Continue_decode(pPause); - } - if(GSPLANES[J] == NULL) { - for(K = GSBPP - 1; K > J; K--) { - delete GSPLANES[K]; - goto failed; - } - } - pStream->alignByte(); - pStream->offset(3); - GSPLANES[J]->composeFrom(0, 0, GSPLANES[J + 1], JBIG2_COMPOSE_XOR); - J = J - 1; - } - for(y = 0; y < GSH; y++) { - for(x = 0; x < GSW; x++) { - for(J = 0; J < GSBPP; J++) { - GSVALS[y * GSW + x] |= GSPLANES[J]->getPixel(x, y) << J; - } - } - } - for(J = 0; J < GSBPP; J++) { - delete GSPLANES[J]; + GSPLANES[J]->composeFrom(0, 0, GSPLANES[J + 1], JBIG2_COMPOSE_XOR); + J = J - 1; + } + for (y = 0; y < GSH; y++) { + for (x = 0; x < GSW; x++) { + for (J = 0; J < GSBPP; J++) { + GSVALS[y * GSW + x] |= GSPLANES[J]->getPixel(x, y) << J; + } } - m_pModule->JBig2_Free(GSPLANES); - delete pGRD; - return GSVALS; + } + for (J = 0; J < GSBPP; J++) { + delete GSPLANES[J]; + } + m_pModule->JBig2_Free(GSPLANES); + delete pGRD; + return GSVALS; failed: - m_pModule->JBig2_Free(GSPLANES); - delete pGRD; - m_pModule->JBig2_Free(GSVALS); - return NULL; + m_pModule->JBig2_Free(GSPLANES); + delete pGRD; + m_pModule->JBig2_Free(GSVALS); + return NULL; } -FXCODEC_STATUS CJBig2_GRDProc::Start_decode_Arith(CJBig2_Image** pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause) -{ - if (GBW == 0 || GBH == 0) { - m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH; - return FXCODEC_STATUS_DECODE_FINISH; - } - m_ProssiveStatus = FXCODEC_STATUS_DECODE_READY; - m_pPause = pPause; - if(*pImage == NULL) { - JBIG2_ALLOC((*pImage), CJBig2_Image(GBW, GBH)); - } - if ((*pImage)->m_pData == NULL) { - delete *pImage; - *pImage = NULL; - m_pModule->JBig2_Error("Generic region decoding procedure: Create Image Failed with width = %d, height = %d\n", GBW, GBH); - m_ProssiveStatus = FXCODEC_STATUS_ERROR; - return FXCODEC_STATUS_ERROR; - } - m_DecodeType = 1; - m_pImage = pImage; - (*m_pImage)->fill(0); - m_pArithDecoder = pArithDecoder; - m_gbContext = gbContext; - LTP = 0; - m_pLine = NULL; - m_loopIndex = 0; - return decode_Arith(pPause); +FXCODEC_STATUS CJBig2_GRDProc::Start_decode_Arith( + CJBig2_Image** pImage, + CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* gbContext, + IFX_Pause* pPause) { + if (GBW == 0 || GBH == 0) { + m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH; + return FXCODEC_STATUS_DECODE_FINISH; + } + m_ProssiveStatus = FXCODEC_STATUS_DECODE_READY; + m_pPause = pPause; + if (*pImage == NULL) { + JBIG2_ALLOC((*pImage), CJBig2_Image(GBW, GBH)); + } + if ((*pImage)->m_pData == NULL) { + delete *pImage; + *pImage = NULL; + m_pModule->JBig2_Error( + "Generic region decoding procedure: Create Image Failed with width = " + "%d, height = %d\n", + GBW, GBH); + m_ProssiveStatus = FXCODEC_STATUS_ERROR; + return FXCODEC_STATUS_ERROR; + } + m_DecodeType = 1; + m_pImage = pImage; + (*m_pImage)->fill(0); + m_pArithDecoder = pArithDecoder; + m_gbContext = gbContext; + LTP = 0; + m_pLine = NULL; + m_loopIndex = 0; + return decode_Arith(pPause); } -FXCODEC_STATUS CJBig2_GRDProc::decode_Arith(IFX_Pause* pPause) -{ - int iline = m_loopIndex; - CJBig2_Image* pImage = *m_pImage; - if(GBTEMPLATE == 0) { - if((GBAT[0] == 3) && (GBAT[1] == (signed char) - 1) - && (GBAT[2] == (signed char) - 3) && (GBAT[3] == (signed char) - 1) - && (GBAT[4] == 2) && (GBAT[5] == (signed char) - 2) - && (GBAT[6] == (signed char) - 2) && (GBAT[7] == (signed char) - 2)) { - m_ProssiveStatus = decode_Arith_Template0_opt3(pImage, m_pArithDecoder, m_gbContext, pPause); - } else { - m_ProssiveStatus = decode_Arith_Template0_unopt(pImage, m_pArithDecoder, m_gbContext, pPause); - } - } else if(GBTEMPLATE == 1) { - if((GBAT[0] == 3) && (GBAT[1] == (signed char) - 1)) { - m_ProssiveStatus = decode_Arith_Template1_opt3(pImage, m_pArithDecoder, m_gbContext, pPause); - } else { - m_ProssiveStatus = decode_Arith_Template1_unopt(pImage, m_pArithDecoder, m_gbContext, pPause); - } - } else if(GBTEMPLATE == 2) { - if((GBAT[0] == 2) && (GBAT[1] == (signed char) - 1)) { - m_ProssiveStatus = decode_Arith_Template2_opt3(pImage, m_pArithDecoder, m_gbContext, pPause); - } else { - m_ProssiveStatus = decode_Arith_Template2_unopt(pImage, m_pArithDecoder, m_gbContext, pPause); - } +FXCODEC_STATUS CJBig2_GRDProc::decode_Arith(IFX_Pause* pPause) { + int iline = m_loopIndex; + CJBig2_Image* pImage = *m_pImage; + if (GBTEMPLATE == 0) { + if ((GBAT[0] == 3) && (GBAT[1] == (signed char)-1) && + (GBAT[2] == (signed char)-3) && (GBAT[3] == (signed char)-1) && + (GBAT[4] == 2) && (GBAT[5] == (signed char)-2) && + (GBAT[6] == (signed char)-2) && (GBAT[7] == (signed char)-2)) { + m_ProssiveStatus = decode_Arith_Template0_opt3(pImage, m_pArithDecoder, + m_gbContext, pPause); } else { - if((GBAT[0] == 2) && (GBAT[1] == (signed char) - 1)) { - m_ProssiveStatus = decode_Arith_Template3_opt3(pImage, m_pArithDecoder, m_gbContext, pPause); - } else { - m_ProssiveStatus = decode_Arith_Template3_unopt(pImage, m_pArithDecoder, m_gbContext, pPause); - } - } - m_ReplaceRect.left = 0; - m_ReplaceRect.right = pImage->m_nWidth; - m_ReplaceRect.top = iline; - m_ReplaceRect.bottom = m_loopIndex; - if(m_ProssiveStatus == FXCODEC_STATUS_DECODE_FINISH) { - m_loopIndex = 0; + m_ProssiveStatus = decode_Arith_Template0_unopt(pImage, m_pArithDecoder, + m_gbContext, pPause); } - return m_ProssiveStatus; -} -FXCODEC_STATUS CJBig2_GRDProc::Start_decode_Arith_V2(CJBig2_Image** pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause) -{ - if(GBW == 0 || GBH == 0) { - * pImage = NULL; - m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH; - return FXCODEC_STATUS_DECODE_FINISH; + } else if (GBTEMPLATE == 1) { + if ((GBAT[0] == 3) && (GBAT[1] == (signed char)-1)) { + m_ProssiveStatus = decode_Arith_Template1_opt3(pImage, m_pArithDecoder, + m_gbContext, pPause); + } else { + m_ProssiveStatus = decode_Arith_Template1_unopt(pImage, m_pArithDecoder, + m_gbContext, pPause); } - if(*pImage == NULL) { - JBIG2_ALLOC((*pImage), CJBig2_Image(GBW, GBH)); + } else if (GBTEMPLATE == 2) { + if ((GBAT[0] == 2) && (GBAT[1] == (signed char)-1)) { + m_ProssiveStatus = decode_Arith_Template2_opt3(pImage, m_pArithDecoder, + m_gbContext, pPause); + } else { + m_ProssiveStatus = decode_Arith_Template2_unopt(pImage, m_pArithDecoder, + m_gbContext, pPause); } - if ((*pImage)->m_pData == NULL) { - delete *pImage; - *pImage = NULL; - m_pModule->JBig2_Error("Generic region decoding procedure: Create Image Failed with width = %d, height = %d\n", GBW, GBH); - m_ProssiveStatus = FXCODEC_STATUS_ERROR; - return FXCODEC_STATUS_ERROR; + } else { + if ((GBAT[0] == 2) && (GBAT[1] == (signed char)-1)) { + m_ProssiveStatus = decode_Arith_Template3_opt3(pImage, m_pArithDecoder, + m_gbContext, pPause); + } else { + m_ProssiveStatus = decode_Arith_Template3_unopt(pImage, m_pArithDecoder, + m_gbContext, pPause); } - m_ProssiveStatus = FXCODEC_STATUS_DECODE_READY; - m_DecodeType = 2; - m_pPause = pPause; - m_pImage = pImage; - (*m_pImage)->fill(0); - LTP = 0; + } + m_ReplaceRect.left = 0; + m_ReplaceRect.right = pImage->m_nWidth; + m_ReplaceRect.top = iline; + m_ReplaceRect.bottom = m_loopIndex; + if (m_ProssiveStatus == FXCODEC_STATUS_DECODE_FINISH) { m_loopIndex = 0; - m_pArithDecoder = pArithDecoder; - m_gbContext = gbContext; - return decode_Arith_V2(pPause); + } + return m_ProssiveStatus; } -FXCODEC_STATUS CJBig2_GRDProc::decode_Arith_V2(IFX_Pause* pPause) -{ - FX_BOOL SLTP, bVal; - FX_DWORD CONTEXT; - CJBig2_Image *GBREG = *m_pImage; - FX_DWORD line1, line2, line3; - LTP = 0; - JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); - GBREG->fill(0); - for(; m_loopIndex < GBH; m_loopIndex++) { - if(TPGDON) { - switch(GBTEMPLATE) { - case 0: - CONTEXT = 0x9b25; - break; - case 1: - CONTEXT = 0x0795; - break; - case 2: - CONTEXT = 0x00e5; - break; - case 3: - CONTEXT = 0x0195; - break; - } - SLTP = m_pArithDecoder->DECODE(&m_gbContext[CONTEXT]); - LTP = LTP ^ SLTP; - } - if(LTP == 1) { - GBREG->copyLine(m_loopIndex, m_loopIndex - 1); - } else { - switch(GBTEMPLATE) { - case 0: { - line1 = GBREG->getPixel(1, m_loopIndex - 2); - line1 |= GBREG->getPixel(0, m_loopIndex - 2) << 1; - line2 = GBREG->getPixel(2, m_loopIndex - 1); - line2 |= GBREG->getPixel(1, m_loopIndex - 1) << 1; - line2 |= GBREG->getPixel(0, m_loopIndex - 1) << 2; - line3 = 0; - for(FX_DWORD w = 0; w < GBW; w++) { - if(USESKIP && SKIP->getPixel(w, m_loopIndex)) { - bVal = 0; - } else { - CONTEXT = line3; - CONTEXT |= GBREG->getPixel(w + GBAT[0], m_loopIndex + GBAT[1]) << 4; - CONTEXT |= line2 << 5; - CONTEXT |= GBREG->getPixel(w + GBAT[2], m_loopIndex + GBAT[3]) << 10; - CONTEXT |= GBREG->getPixel(w + GBAT[4], m_loopIndex + GBAT[5]) << 11; - CONTEXT |= line1 << 12; - CONTEXT |= GBREG->getPixel(w + GBAT[6], m_loopIndex + GBAT[7]) << 15; - bVal = m_pArithDecoder->DECODE(&m_gbContext[CONTEXT]); - } - if(bVal) { - GBREG->setPixel(w, m_loopIndex, bVal); - } - line1 = ((line1 << 1) | GBREG->getPixel(w + 2, m_loopIndex - 2)) & 0x07; - line2 = ((line2 << 1) | GBREG->getPixel(w + 3, m_loopIndex - 1)) & 0x1f; - line3 = ((line3 << 1) | bVal) & 0x0f; - } - } - break; - case 1: { - line1 = GBREG->getPixel(2, m_loopIndex - 2); - line1 |= GBREG->getPixel(1, m_loopIndex - 2) << 1; - line1 |= GBREG->getPixel(0, m_loopIndex - 2) << 2; - line2 = GBREG->getPixel(2, m_loopIndex - 1); - line2 |= GBREG->getPixel(1, m_loopIndex - 1) << 1; - line2 |= GBREG->getPixel(0, m_loopIndex - 1) << 2; - line3 = 0; - for(FX_DWORD w = 0; w < GBW; w++) { - if(USESKIP && SKIP->getPixel(w, m_loopIndex)) { - bVal = 0; - } else { - CONTEXT = line3; - CONTEXT |= GBREG->getPixel(w + GBAT[0], m_loopIndex + GBAT[1]) << 3; - CONTEXT |= line2 << 4; - CONTEXT |= line1 << 9; - bVal = m_pArithDecoder->DECODE(&m_gbContext[CONTEXT]); - } - if(bVal) { - GBREG->setPixel(w, m_loopIndex, bVal); - } - line1 = ((line1 << 1) | GBREG->getPixel(w + 3, m_loopIndex - 2)) & 0x0f; - line2 = ((line2 << 1) | GBREG->getPixel(w + 3, m_loopIndex - 1)) & 0x1f; - line3 = ((line3 << 1) | bVal) & 0x07; - } - } - break; - case 2: { - line1 = GBREG->getPixel(1, m_loopIndex - 2); - line1 |= GBREG->getPixel(0, m_loopIndex - 2) << 1; - line2 = GBREG->getPixel(1, m_loopIndex - 1); - line2 |= GBREG->getPixel(0, m_loopIndex - 1) << 1; - line3 = 0; - for(FX_DWORD w = 0; w < GBW; w++) { - if(USESKIP && SKIP->getPixel(w, m_loopIndex)) { - bVal = 0; - } else { - CONTEXT = line3; - CONTEXT |= GBREG->getPixel(w + GBAT[0], m_loopIndex + GBAT[1]) << 2; - CONTEXT |= line2 << 3; - CONTEXT |= line1 << 7; - bVal = m_pArithDecoder->DECODE(&m_gbContext[CONTEXT]); - } - if(bVal) { - GBREG->setPixel(w, m_loopIndex, bVal); - } - line1 = ((line1 << 1) | GBREG->getPixel(w + 2, m_loopIndex - 2)) & 0x07; - line2 = ((line2 << 1) | GBREG->getPixel(w + 2, m_loopIndex - 1)) & 0x0f; - line3 = ((line3 << 1) | bVal) & 0x03; - } - } - break; - case 3: { - line1 = GBREG->getPixel(1, m_loopIndex - 1); - line1 |= GBREG->getPixel(0, m_loopIndex - 1) << 1; - line2 = 0; - for(FX_DWORD w = 0; w < GBW; w++) { - if(USESKIP && SKIP->getPixel(w, m_loopIndex)) { - bVal = 0; - } else { - CONTEXT = line2; - CONTEXT |= GBREG->getPixel(w + GBAT[0], m_loopIndex + GBAT[1]) << 4; - CONTEXT |= line1 << 5; - bVal = m_pArithDecoder->DECODE(&m_gbContext[CONTEXT]); - } - if(bVal) { - GBREG->setPixel(w, m_loopIndex, bVal); - } - line1 = ((line1 << 1) | GBREG->getPixel(w + 2, m_loopIndex - 1)) & 0x1f; - line2 = ((line2 << 1) | bVal) & 0x0f; - } - } - break; - } - } - if(pPause && pPause->NeedToPauseNow()) { - m_loopIndex ++; - m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; - return FXCODEC_STATUS_DECODE_TOBECONTINUE; - } - } +FXCODEC_STATUS CJBig2_GRDProc::Start_decode_Arith_V2( + CJBig2_Image** pImage, + CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* gbContext, + IFX_Pause* pPause) { + if (GBW == 0 || GBH == 0) { + *pImage = NULL; m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH; return FXCODEC_STATUS_DECODE_FINISH; + } + if (*pImage == NULL) { + JBIG2_ALLOC((*pImage), CJBig2_Image(GBW, GBH)); + } + if ((*pImage)->m_pData == NULL) { + delete *pImage; + *pImage = NULL; + m_pModule->JBig2_Error( + "Generic region decoding procedure: Create Image Failed with width = " + "%d, height = %d\n", + GBW, GBH); + m_ProssiveStatus = FXCODEC_STATUS_ERROR; + return FXCODEC_STATUS_ERROR; + } + m_ProssiveStatus = FXCODEC_STATUS_DECODE_READY; + m_DecodeType = 2; + m_pPause = pPause; + m_pImage = pImage; + (*m_pImage)->fill(0); + LTP = 0; + m_loopIndex = 0; + m_pArithDecoder = pArithDecoder; + m_gbContext = gbContext; + return decode_Arith_V2(pPause); } -FXCODEC_STATUS CJBig2_GRDProc::Start_decode_Arith_V1(CJBig2_Image** pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause) -{ - if(GBW == 0 || GBH == 0) { - * pImage = NULL; - m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH; - return FXCODEC_STATUS_DECODE_FINISH; - } - if(*pImage == NULL) { - JBIG2_ALLOC((*pImage), CJBig2_Image(GBW, GBH)); - } - if ((*pImage)->m_pData == NULL) { - delete *pImage; - *pImage = NULL; - m_pModule->JBig2_Error("Generic region decoding procedure: Create Image Failed with width = %d, height = %d\n", GBW, GBH); - m_ProssiveStatus = FXCODEC_STATUS_ERROR; - return FXCODEC_STATUS_ERROR; +FXCODEC_STATUS CJBig2_GRDProc::decode_Arith_V2(IFX_Pause* pPause) { + FX_BOOL SLTP, bVal; + FX_DWORD CONTEXT; + CJBig2_Image* GBREG = *m_pImage; + FX_DWORD line1, line2, line3; + LTP = 0; + JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); + GBREG->fill(0); + for (; m_loopIndex < GBH; m_loopIndex++) { + if (TPGDON) { + switch (GBTEMPLATE) { + case 0: + CONTEXT = 0x9b25; + break; + case 1: + CONTEXT = 0x0795; + break; + case 2: + CONTEXT = 0x00e5; + break; + case 3: + CONTEXT = 0x0195; + break; + } + SLTP = m_pArithDecoder->DECODE(&m_gbContext[CONTEXT]); + LTP = LTP ^ SLTP; } - m_ProssiveStatus = FXCODEC_STATUS_DECODE_READY; - m_pPause = pPause; - m_pImage = pImage; - m_DecodeType = 3; - (*m_pImage)->fill(0); - LTP = 0; - m_loopIndex = 0; - m_pArithDecoder = pArithDecoder; - m_gbContext = gbContext; - return decode_Arith_V1(pPause); -} -FXCODEC_STATUS CJBig2_GRDProc::decode_Arith_V1(IFX_Pause* pPause) -{ - FX_BOOL SLTP, bVal; - FX_DWORD CONTEXT = 0; - CJBig2_Image *GBREG = (*m_pImage); - for(; m_loopIndex < GBH; m_loopIndex++) { - if(TPGDON) { - switch(GBTEMPLATE) { - case 0: - CONTEXT = 0x9b25; - break; - case 1: - CONTEXT = 0x0795; - break; - case 2: - CONTEXT = 0x00e5; - break; - case 3: - CONTEXT = 0x0195; - break; + if (LTP == 1) { + GBREG->copyLine(m_loopIndex, m_loopIndex - 1); + } else { + switch (GBTEMPLATE) { + case 0: { + line1 = GBREG->getPixel(1, m_loopIndex - 2); + line1 |= GBREG->getPixel(0, m_loopIndex - 2) << 1; + line2 = GBREG->getPixel(2, m_loopIndex - 1); + line2 |= GBREG->getPixel(1, m_loopIndex - 1) << 1; + line2 |= GBREG->getPixel(0, m_loopIndex - 1) << 2; + line3 = 0; + for (FX_DWORD w = 0; w < GBW; w++) { + if (USESKIP && SKIP->getPixel(w, m_loopIndex)) { + bVal = 0; + } else { + CONTEXT = line3; + CONTEXT |= GBREG->getPixel(w + GBAT[0], m_loopIndex + GBAT[1]) + << 4; + CONTEXT |= line2 << 5; + CONTEXT |= GBREG->getPixel(w + GBAT[2], m_loopIndex + GBAT[3]) + << 10; + CONTEXT |= GBREG->getPixel(w + GBAT[4], m_loopIndex + GBAT[5]) + << 11; + CONTEXT |= line1 << 12; + CONTEXT |= GBREG->getPixel(w + GBAT[6], m_loopIndex + GBAT[7]) + << 15; + bVal = m_pArithDecoder->DECODE(&m_gbContext[CONTEXT]); } - SLTP = m_pArithDecoder->DECODE(&m_gbContext[CONTEXT]); - LTP = LTP ^ SLTP; - } - if(LTP == 1) { - for(FX_DWORD w = 0; w < GBW; w++) { - GBREG->setPixel(w, m_loopIndex, GBREG->getPixel(w, m_loopIndex - 1)); + if (bVal) { + GBREG->setPixel(w, m_loopIndex, bVal); } - } else { - for(FX_DWORD w = 0; w < GBW; w++) { - if(USESKIP && SKIP->getPixel(w, m_loopIndex)) { - GBREG->setPixel(w, m_loopIndex, 0); - } else { - CONTEXT = 0; - switch(GBTEMPLATE) { - case 0: - CONTEXT |= GBREG->getPixel(w - 1, m_loopIndex); - CONTEXT |= GBREG->getPixel(w - 2, m_loopIndex) << 1; - CONTEXT |= GBREG->getPixel(w - 3, m_loopIndex) << 2; - CONTEXT |= GBREG->getPixel(w - 4, m_loopIndex) << 3; - CONTEXT |= GBREG->getPixel(w + GBAT[0], m_loopIndex + GBAT[1]) << 4; - CONTEXT |= GBREG->getPixel(w + 2, m_loopIndex - 1) << 5; - CONTEXT |= GBREG->getPixel(w + 1, m_loopIndex - 1) << 6; - CONTEXT |= GBREG->getPixel(w, m_loopIndex - 1) << 7; - CONTEXT |= GBREG->getPixel(w - 1, m_loopIndex - 1) << 8; - CONTEXT |= GBREG->getPixel(w - 2, m_loopIndex - 1) << 9; - CONTEXT |= GBREG->getPixel(w + GBAT[2], m_loopIndex + GBAT[3]) << 10; - CONTEXT |= GBREG->getPixel(w + GBAT[4], m_loopIndex + GBAT[5]) << 11; - CONTEXT |= GBREG->getPixel(w + 1, m_loopIndex - 2) << 12; - CONTEXT |= GBREG->getPixel(w, m_loopIndex - 2) << 13; - CONTEXT |= GBREG->getPixel(w - 1, m_loopIndex - 2) << 14; - CONTEXT |= GBREG->getPixel(w + GBAT[6], m_loopIndex + GBAT[7]) << 15; - break; - case 1: - CONTEXT |= GBREG->getPixel(w - 1, m_loopIndex); - CONTEXT |= GBREG->getPixel(w - 2, m_loopIndex) << 1; - CONTEXT |= GBREG->getPixel(w - 3, m_loopIndex) << 2; - CONTEXT |= GBREG->getPixel(w + GBAT[0], m_loopIndex + GBAT[1]) << 3; - CONTEXT |= GBREG->getPixel(w + 2, m_loopIndex - 1) << 4; - CONTEXT |= GBREG->getPixel(w + 1, m_loopIndex - 1) << 5; - CONTEXT |= GBREG->getPixel(w, m_loopIndex - 1) << 6; - CONTEXT |= GBREG->getPixel(w - 1, m_loopIndex - 1) << 7; - CONTEXT |= GBREG->getPixel(w - 2, m_loopIndex - 1) << 8; - CONTEXT |= GBREG->getPixel(w + 2, m_loopIndex - 2) << 9; - CONTEXT |= GBREG->getPixel(w + 1, m_loopIndex - 2) << 10; - CONTEXT |= GBREG->getPixel(w, m_loopIndex - 2) << 11; - CONTEXT |= GBREG->getPixel(w - 1, m_loopIndex - 2) << 12; - break; - case 2: - CONTEXT |= GBREG->getPixel(w - 1, m_loopIndex); - CONTEXT |= GBREG->getPixel(w - 2, m_loopIndex) << 1; - CONTEXT |= GBREG->getPixel(w + GBAT[0], m_loopIndex + GBAT[1]) << 2; - CONTEXT |= GBREG->getPixel(w + 1, m_loopIndex - 1) << 3; - CONTEXT |= GBREG->getPixel(w, m_loopIndex - 1) << 4; - CONTEXT |= GBREG->getPixel(w - 1, m_loopIndex - 1) << 5; - CONTEXT |= GBREG->getPixel(w - 2, m_loopIndex - 1) << 6; - CONTEXT |= GBREG->getPixel(w + 1, m_loopIndex - 2) << 7; - CONTEXT |= GBREG->getPixel(w, m_loopIndex - 2) << 8; - CONTEXT |= GBREG->getPixel(w - 1, m_loopIndex - 2) << 9; - break; - case 3: - CONTEXT |= GBREG->getPixel(w - 1, m_loopIndex); - CONTEXT |= GBREG->getPixel(w - 2, m_loopIndex) << 1; - CONTEXT |= GBREG->getPixel(w - 3, m_loopIndex) << 2; - CONTEXT |= GBREG->getPixel(w - 4, m_loopIndex) << 3; - CONTEXT |= GBREG->getPixel(w + GBAT[0], m_loopIndex + GBAT[1]) << 4; - CONTEXT |= GBREG->getPixel(w + 1, m_loopIndex - 1) << 5; - CONTEXT |= GBREG->getPixel(w, m_loopIndex - 1) << 6; - CONTEXT |= GBREG->getPixel(w - 1, m_loopIndex - 1) << 7; - CONTEXT |= GBREG->getPixel(w - 2, m_loopIndex - 1) << 8; - CONTEXT |= GBREG->getPixel(w - 3, m_loopIndex - 1) << 9; - break; - } - bVal = m_pArithDecoder->DECODE(&m_gbContext[CONTEXT]); - GBREG->setPixel(w, m_loopIndex, bVal); - } + line1 = + ((line1 << 1) | GBREG->getPixel(w + 2, m_loopIndex - 2)) & 0x07; + line2 = + ((line2 << 1) | GBREG->getPixel(w + 3, m_loopIndex - 1)) & 0x1f; + line3 = ((line3 << 1) | bVal) & 0x0f; + } + } break; + case 1: { + line1 = GBREG->getPixel(2, m_loopIndex - 2); + line1 |= GBREG->getPixel(1, m_loopIndex - 2) << 1; + line1 |= GBREG->getPixel(0, m_loopIndex - 2) << 2; + line2 = GBREG->getPixel(2, m_loopIndex - 1); + line2 |= GBREG->getPixel(1, m_loopIndex - 1) << 1; + line2 |= GBREG->getPixel(0, m_loopIndex - 1) << 2; + line3 = 0; + for (FX_DWORD w = 0; w < GBW; w++) { + if (USESKIP && SKIP->getPixel(w, m_loopIndex)) { + bVal = 0; + } else { + CONTEXT = line3; + CONTEXT |= GBREG->getPixel(w + GBAT[0], m_loopIndex + GBAT[1]) + << 3; + CONTEXT |= line2 << 4; + CONTEXT |= line1 << 9; + bVal = m_pArithDecoder->DECODE(&m_gbContext[CONTEXT]); } - } - if(pPause && pPause->NeedToPauseNow()) { - m_loopIndex ++; - m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; - return FXCODEC_STATUS_DECODE_TOBECONTINUE; - } - } - m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH; - return FXCODEC_STATUS_DECODE_FINISH; -} -FXCODEC_STATUS CJBig2_GRDProc::Start_decode_MMR(CJBig2_Image** pImage, CJBig2_BitStream *pStream, IFX_Pause* pPause) -{ - int bitpos, i; - JBIG2_ALLOC((* pImage), CJBig2_Image(GBW, GBH)); - if ((* pImage)->m_pData == NULL) { - delete (* pImage); - (* pImage) = NULL; - m_pModule->JBig2_Error("Generic region decoding procedure: Create Image Failed with width = %d, height = %d\n", GBW, GBH); - m_ProssiveStatus = FXCODEC_STATUS_ERROR; - return m_ProssiveStatus; + if (bVal) { + GBREG->setPixel(w, m_loopIndex, bVal); + } + line1 = + ((line1 << 1) | GBREG->getPixel(w + 3, m_loopIndex - 2)) & 0x0f; + line2 = + ((line2 << 1) | GBREG->getPixel(w + 3, m_loopIndex - 1)) & 0x1f; + line3 = ((line3 << 1) | bVal) & 0x07; + } + } break; + case 2: { + line1 = GBREG->getPixel(1, m_loopIndex - 2); + line1 |= GBREG->getPixel(0, m_loopIndex - 2) << 1; + line2 = GBREG->getPixel(1, m_loopIndex - 1); + line2 |= GBREG->getPixel(0, m_loopIndex - 1) << 1; + line3 = 0; + for (FX_DWORD w = 0; w < GBW; w++) { + if (USESKIP && SKIP->getPixel(w, m_loopIndex)) { + bVal = 0; + } else { + CONTEXT = line3; + CONTEXT |= GBREG->getPixel(w + GBAT[0], m_loopIndex + GBAT[1]) + << 2; + CONTEXT |= line2 << 3; + CONTEXT |= line1 << 7; + bVal = m_pArithDecoder->DECODE(&m_gbContext[CONTEXT]); + } + if (bVal) { + GBREG->setPixel(w, m_loopIndex, bVal); + } + line1 = + ((line1 << 1) | GBREG->getPixel(w + 2, m_loopIndex - 2)) & 0x07; + line2 = + ((line2 << 1) | GBREG->getPixel(w + 2, m_loopIndex - 1)) & 0x0f; + line3 = ((line3 << 1) | bVal) & 0x03; + } + } break; + case 3: { + line1 = GBREG->getPixel(1, m_loopIndex - 1); + line1 |= GBREG->getPixel(0, m_loopIndex - 1) << 1; + line2 = 0; + for (FX_DWORD w = 0; w < GBW; w++) { + if (USESKIP && SKIP->getPixel(w, m_loopIndex)) { + bVal = 0; + } else { + CONTEXT = line2; + CONTEXT |= GBREG->getPixel(w + GBAT[0], m_loopIndex + GBAT[1]) + << 4; + CONTEXT |= line1 << 5; + bVal = m_pArithDecoder->DECODE(&m_gbContext[CONTEXT]); + } + if (bVal) { + GBREG->setPixel(w, m_loopIndex, bVal); + } + line1 = + ((line1 << 1) | GBREG->getPixel(w + 2, m_loopIndex - 1)) & 0x1f; + line2 = ((line2 << 1) | bVal) & 0x0f; + } + } break; + } } - bitpos = (int)pStream->getBitPos(); - _FaxG4Decode(m_pModule, pStream->getBuf(), pStream->getLength(), &bitpos, (* pImage)->m_pData, GBW, GBH, (* pImage)->m_nStride); - pStream->setBitPos(bitpos); - for(i = 0; (FX_DWORD)i < (* pImage)->m_nStride * GBH; i++) { - (* pImage)->m_pData[i] = ~(* pImage)->m_pData[i]; + if (pPause && pPause->NeedToPauseNow()) { + m_loopIndex++; + m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; + return FXCODEC_STATUS_DECODE_TOBECONTINUE; } - m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH; - return m_ProssiveStatus; + } + m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH; + return FXCODEC_STATUS_DECODE_FINISH; } -FXCODEC_STATUS CJBig2_GRDProc::decode_MMR() -{ - return m_ProssiveStatus; +FXCODEC_STATUS CJBig2_GRDProc::Start_decode_Arith_V1( + CJBig2_Image** pImage, + CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* gbContext, + IFX_Pause* pPause) { + if (GBW == 0 || GBH == 0) { + *pImage = NULL; + m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH; + return FXCODEC_STATUS_DECODE_FINISH; + } + if (*pImage == NULL) { + JBIG2_ALLOC((*pImage), CJBig2_Image(GBW, GBH)); + } + if ((*pImage)->m_pData == NULL) { + delete *pImage; + *pImage = NULL; + m_pModule->JBig2_Error( + "Generic region decoding procedure: Create Image Failed with width = " + "%d, height = %d\n", + GBW, GBH); + m_ProssiveStatus = FXCODEC_STATUS_ERROR; + return FXCODEC_STATUS_ERROR; + } + m_ProssiveStatus = FXCODEC_STATUS_DECODE_READY; + m_pPause = pPause; + m_pImage = pImage; + m_DecodeType = 3; + (*m_pImage)->fill(0); + LTP = 0; + m_loopIndex = 0; + m_pArithDecoder = pArithDecoder; + m_gbContext = gbContext; + return decode_Arith_V1(pPause); } -FXCODEC_STATUS CJBig2_GRDProc::Continue_decode(IFX_Pause* pPause) -{ - if(m_ProssiveStatus != FXCODEC_STATUS_DECODE_TOBECONTINUE) { - return m_ProssiveStatus; - } - switch (m_DecodeType) { +FXCODEC_STATUS CJBig2_GRDProc::decode_Arith_V1(IFX_Pause* pPause) { + FX_BOOL SLTP, bVal; + FX_DWORD CONTEXT = 0; + CJBig2_Image* GBREG = (*m_pImage); + for (; m_loopIndex < GBH; m_loopIndex++) { + if (TPGDON) { + switch (GBTEMPLATE) { + case 0: + CONTEXT = 0x9b25; + break; case 1: - return decode_Arith(pPause); + CONTEXT = 0x0795; + break; case 2: - return decode_Arith_V2(pPause); + CONTEXT = 0x00e5; + break; case 3: - return decode_Arith_V1(pPause); - case 4: - return decode_MMR(); + CONTEXT = 0x0195; + break; + } + SLTP = m_pArithDecoder->DECODE(&m_gbContext[CONTEXT]); + LTP = LTP ^ SLTP; + } + if (LTP == 1) { + for (FX_DWORD w = 0; w < GBW; w++) { + GBREG->setPixel(w, m_loopIndex, GBREG->getPixel(w, m_loopIndex - 1)); + } + } else { + for (FX_DWORD w = 0; w < GBW; w++) { + if (USESKIP && SKIP->getPixel(w, m_loopIndex)) { + GBREG->setPixel(w, m_loopIndex, 0); + } else { + CONTEXT = 0; + switch (GBTEMPLATE) { + case 0: + CONTEXT |= GBREG->getPixel(w - 1, m_loopIndex); + CONTEXT |= GBREG->getPixel(w - 2, m_loopIndex) << 1; + CONTEXT |= GBREG->getPixel(w - 3, m_loopIndex) << 2; + CONTEXT |= GBREG->getPixel(w - 4, m_loopIndex) << 3; + CONTEXT |= GBREG->getPixel(w + GBAT[0], m_loopIndex + GBAT[1]) + << 4; + CONTEXT |= GBREG->getPixel(w + 2, m_loopIndex - 1) << 5; + CONTEXT |= GBREG->getPixel(w + 1, m_loopIndex - 1) << 6; + CONTEXT |= GBREG->getPixel(w, m_loopIndex - 1) << 7; + CONTEXT |= GBREG->getPixel(w - 1, m_loopIndex - 1) << 8; + CONTEXT |= GBREG->getPixel(w - 2, m_loopIndex - 1) << 9; + CONTEXT |= GBREG->getPixel(w + GBAT[2], m_loopIndex + GBAT[3]) + << 10; + CONTEXT |= GBREG->getPixel(w + GBAT[4], m_loopIndex + GBAT[5]) + << 11; + CONTEXT |= GBREG->getPixel(w + 1, m_loopIndex - 2) << 12; + CONTEXT |= GBREG->getPixel(w, m_loopIndex - 2) << 13; + CONTEXT |= GBREG->getPixel(w - 1, m_loopIndex - 2) << 14; + CONTEXT |= GBREG->getPixel(w + GBAT[6], m_loopIndex + GBAT[7]) + << 15; + break; + case 1: + CONTEXT |= GBREG->getPixel(w - 1, m_loopIndex); + CONTEXT |= GBREG->getPixel(w - 2, m_loopIndex) << 1; + CONTEXT |= GBREG->getPixel(w - 3, m_loopIndex) << 2; + CONTEXT |= GBREG->getPixel(w + GBAT[0], m_loopIndex + GBAT[1]) + << 3; + CONTEXT |= GBREG->getPixel(w + 2, m_loopIndex - 1) << 4; + CONTEXT |= GBREG->getPixel(w + 1, m_loopIndex - 1) << 5; + CONTEXT |= GBREG->getPixel(w, m_loopIndex - 1) << 6; + CONTEXT |= GBREG->getPixel(w - 1, m_loopIndex - 1) << 7; + CONTEXT |= GBREG->getPixel(w - 2, m_loopIndex - 1) << 8; + CONTEXT |= GBREG->getPixel(w + 2, m_loopIndex - 2) << 9; + CONTEXT |= GBREG->getPixel(w + 1, m_loopIndex - 2) << 10; + CONTEXT |= GBREG->getPixel(w, m_loopIndex - 2) << 11; + CONTEXT |= GBREG->getPixel(w - 1, m_loopIndex - 2) << 12; + break; + case 2: + CONTEXT |= GBREG->getPixel(w - 1, m_loopIndex); + CONTEXT |= GBREG->getPixel(w - 2, m_loopIndex) << 1; + CONTEXT |= GBREG->getPixel(w + GBAT[0], m_loopIndex + GBAT[1]) + << 2; + CONTEXT |= GBREG->getPixel(w + 1, m_loopIndex - 1) << 3; + CONTEXT |= GBREG->getPixel(w, m_loopIndex - 1) << 4; + CONTEXT |= GBREG->getPixel(w - 1, m_loopIndex - 1) << 5; + CONTEXT |= GBREG->getPixel(w - 2, m_loopIndex - 1) << 6; + CONTEXT |= GBREG->getPixel(w + 1, m_loopIndex - 2) << 7; + CONTEXT |= GBREG->getPixel(w, m_loopIndex - 2) << 8; + CONTEXT |= GBREG->getPixel(w - 1, m_loopIndex - 2) << 9; + break; + case 3: + CONTEXT |= GBREG->getPixel(w - 1, m_loopIndex); + CONTEXT |= GBREG->getPixel(w - 2, m_loopIndex) << 1; + CONTEXT |= GBREG->getPixel(w - 3, m_loopIndex) << 2; + CONTEXT |= GBREG->getPixel(w - 4, m_loopIndex) << 3; + CONTEXT |= GBREG->getPixel(w + GBAT[0], m_loopIndex + GBAT[1]) + << 4; + CONTEXT |= GBREG->getPixel(w + 1, m_loopIndex - 1) << 5; + CONTEXT |= GBREG->getPixel(w, m_loopIndex - 1) << 6; + CONTEXT |= GBREG->getPixel(w - 1, m_loopIndex - 1) << 7; + CONTEXT |= GBREG->getPixel(w - 2, m_loopIndex - 1) << 8; + CONTEXT |= GBREG->getPixel(w - 3, m_loopIndex - 1) << 9; + break; + } + bVal = m_pArithDecoder->DECODE(&m_gbContext[CONTEXT]); + GBREG->setPixel(w, m_loopIndex, bVal); + } + } + } + if (pPause && pPause->NeedToPauseNow()) { + m_loopIndex++; + m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; + return FXCODEC_STATUS_DECODE_TOBECONTINUE; } + } + m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH; + return FXCODEC_STATUS_DECODE_FINISH; +} +FXCODEC_STATUS CJBig2_GRDProc::Start_decode_MMR(CJBig2_Image** pImage, + CJBig2_BitStream* pStream, + IFX_Pause* pPause) { + int bitpos, i; + JBIG2_ALLOC((*pImage), CJBig2_Image(GBW, GBH)); + if ((*pImage)->m_pData == NULL) { + delete (*pImage); + (*pImage) = NULL; + m_pModule->JBig2_Error( + "Generic region decoding procedure: Create Image Failed with width = " + "%d, height = %d\n", + GBW, GBH); m_ProssiveStatus = FXCODEC_STATUS_ERROR; return m_ProssiveStatus; + } + bitpos = (int)pStream->getBitPos(); + _FaxG4Decode(m_pModule, pStream->getBuf(), pStream->getLength(), &bitpos, + (*pImage)->m_pData, GBW, GBH, (*pImage)->m_nStride); + pStream->setBitPos(bitpos); + for (i = 0; (FX_DWORD)i < (*pImage)->m_nStride * GBH; i++) { + (*pImage)->m_pData[i] = ~(*pImage)->m_pData[i]; + } + m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH; + return m_ProssiveStatus; +} +FXCODEC_STATUS CJBig2_GRDProc::decode_MMR() { + return m_ProssiveStatus; +} +FXCODEC_STATUS CJBig2_GRDProc::Continue_decode(IFX_Pause* pPause) { + if (m_ProssiveStatus != FXCODEC_STATUS_DECODE_TOBECONTINUE) { + return m_ProssiveStatus; + } + switch (m_DecodeType) { + case 1: + return decode_Arith(pPause); + case 2: + return decode_Arith_V2(pPause); + case 3: + return decode_Arith_V1(pPause); + case 4: + return decode_MMR(); + } + m_ProssiveStatus = FXCODEC_STATUS_ERROR; + return m_ProssiveStatus; } -FXCODEC_STATUS CJBig2_GRDProc::decode_Arith_Template0_opt3(CJBig2_Image *pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause) -{ - FX_BOOL SLTP, bVal; - FX_DWORD CONTEXT; - FX_DWORD line1, line2; - uint8_t *pLine1, *pLine2, cVal; - int32_t nStride, nStride2, k; - int32_t nLineBytes, nBitsLeft, cc; - if(m_pLine == NULL) { - m_pLine = pImage->m_pData; +FXCODEC_STATUS CJBig2_GRDProc::decode_Arith_Template0_opt3( + CJBig2_Image* pImage, + CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* gbContext, + IFX_Pause* pPause) { + FX_BOOL SLTP, bVal; + FX_DWORD CONTEXT; + FX_DWORD line1, line2; + uint8_t *pLine1, *pLine2, cVal; + int32_t nStride, nStride2, k; + int32_t nLineBytes, nBitsLeft, cc; + if (m_pLine == NULL) { + m_pLine = pImage->m_pData; + } + nStride = pImage->m_nStride; + nStride2 = nStride << 1; + nLineBytes = ((GBW + 7) >> 3) - 1; + nBitsLeft = GBW - (nLineBytes << 3); + FX_DWORD height = GBH & 0x7fffffff; + for (; m_loopIndex < height; m_loopIndex++) { + if (TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x9b25]); + LTP = LTP ^ SLTP; } - nStride = pImage->m_nStride; - nStride2 = nStride << 1; - nLineBytes = ((GBW + 7) >> 3) - 1; - nBitsLeft = GBW - (nLineBytes << 3); - FX_DWORD height = GBH & 0x7fffffff; - for(; m_loopIndex < height; m_loopIndex++) { - if(TPGDON) { - SLTP = pArithDecoder->DECODE(&gbContext[0x9b25]); - LTP = LTP ^ SLTP; + if (LTP == 1) { + pImage->copyLine(m_loopIndex, m_loopIndex - 1); + } else { + if (m_loopIndex > 1) { + pLine1 = m_pLine - nStride2; + pLine2 = m_pLine - nStride; + line1 = (*pLine1++) << 6; + line2 = *pLine2++; + CONTEXT = ((line1 & 0xf800) | (line2 & 0x07f0)); + for (cc = 0; cc < nLineBytes; cc++) { + line1 = (line1 << 8) | ((*pLine1++) << 6); + line2 = (line2 << 8) | (*pLine2++); + cVal = 0; + for (k = 7; k >= 0; k--) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << k; + CONTEXT = (((CONTEXT & 0x7bf7) << 1) | bVal | + ((line1 >> k) & 0x0800) | ((line2 >> k) & 0x0010)); + } + m_pLine[cc] = cVal; } - if(LTP == 1) { - pImage->copyLine(m_loopIndex, m_loopIndex - 1); - } else { - if(m_loopIndex > 1) { - pLine1 = m_pLine - nStride2; - pLine2 = m_pLine - nStride; - line1 = (*pLine1++) << 6; - line2 = *pLine2++; - CONTEXT = ((line1 & 0xf800) | (line2 & 0x07f0)); - for(cc = 0; cc < nLineBytes; cc++) { - line1 = (line1 << 8) | ((*pLine1++) << 6); - line2 = (line2 << 8) | (*pLine2++); - cVal = 0; - for(k = 7; k >= 0; k--) { - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - cVal |= bVal << k; - CONTEXT = (((CONTEXT & 0x7bf7) << 1) | bVal - | ((line1 >> k) & 0x0800) - | ((line2 >> k) & 0x0010)); - } - m_pLine[cc] = cVal; - } - line1 <<= 8; - line2 <<= 8; - cVal = 0; - for(k = 0; k < nBitsLeft; k++) { - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - cVal |= bVal << (7 - k); - CONTEXT = (((CONTEXT & 0x7bf7) << 1) | bVal - | ((line1 >> (7 - k)) & 0x0800) - | ((line2 >> (7 - k)) & 0x0010)); - } - m_pLine[nLineBytes] = cVal; - } else { - pLine2 = m_pLine - nStride; - line2 = (m_loopIndex & 1) ? (*pLine2++) : 0; - CONTEXT = (line2 & 0x07f0); - for(cc = 0; cc < nLineBytes; cc++) { - if(m_loopIndex & 1) { - line2 = (line2 << 8) | (*pLine2++); - } - cVal = 0; - for(k = 7; k >= 0; k--) { - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - cVal |= bVal << k; - CONTEXT = (((CONTEXT & 0x7bf7) << 1) | bVal - | ((line2 >> k) & 0x0010)); - } - m_pLine[cc] = cVal; - } - line2 <<= 8; - cVal = 0; - for(k = 0; k < nBitsLeft; k++) { - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - cVal |= bVal << (7 - k); - CONTEXT = (((CONTEXT & 0x7bf7) << 1) | bVal - | ((line2 >> (7 - k)) & 0x0010)); - } - m_pLine[nLineBytes] = cVal; - } + line1 <<= 8; + line2 <<= 8; + cVal = 0; + for (k = 0; k < nBitsLeft; k++) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << (7 - k); + CONTEXT = + (((CONTEXT & 0x7bf7) << 1) | bVal | + ((line1 >> (7 - k)) & 0x0800) | ((line2 >> (7 - k)) & 0x0010)); } - m_pLine += nStride; - if(pPause && pPause->NeedToPauseNow()) { - m_loopIndex++; - m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; - return FXCODEC_STATUS_DECODE_TOBECONTINUE; + m_pLine[nLineBytes] = cVal; + } else { + pLine2 = m_pLine - nStride; + line2 = (m_loopIndex & 1) ? (*pLine2++) : 0; + CONTEXT = (line2 & 0x07f0); + for (cc = 0; cc < nLineBytes; cc++) { + if (m_loopIndex & 1) { + line2 = (line2 << 8) | (*pLine2++); + } + cVal = 0; + for (k = 7; k >= 0; k--) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << k; + CONTEXT = + (((CONTEXT & 0x7bf7) << 1) | bVal | ((line2 >> k) & 0x0010)); + } + m_pLine[cc] = cVal; } + line2 <<= 8; + cVal = 0; + for (k = 0; k < nBitsLeft; k++) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << (7 - k); + CONTEXT = (((CONTEXT & 0x7bf7) << 1) | bVal | + ((line2 >> (7 - k)) & 0x0010)); + } + m_pLine[nLineBytes] = cVal; + } } - m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH; - return FXCODEC_STATUS_DECODE_FINISH; + m_pLine += nStride; + if (pPause && pPause->NeedToPauseNow()) { + m_loopIndex++; + m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; + return FXCODEC_STATUS_DECODE_TOBECONTINUE; + } + } + m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH; + return FXCODEC_STATUS_DECODE_FINISH; } -FXCODEC_STATUS CJBig2_GRDProc::decode_Arith_Template0_unopt(CJBig2_Image * pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause) -{ - FX_BOOL SLTP, bVal; - FX_DWORD CONTEXT; - FX_DWORD line1, line2, line3; - for(; m_loopIndex < GBH; m_loopIndex++) { - if(TPGDON) { - SLTP = pArithDecoder->DECODE(&gbContext[0x9b25]); - LTP = LTP ^ SLTP; - } - if(LTP == 1) { - pImage->copyLine(m_loopIndex, m_loopIndex - 1); +FXCODEC_STATUS CJBig2_GRDProc::decode_Arith_Template0_unopt( + CJBig2_Image* pImage, + CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* gbContext, + IFX_Pause* pPause) { + FX_BOOL SLTP, bVal; + FX_DWORD CONTEXT; + FX_DWORD line1, line2, line3; + for (; m_loopIndex < GBH; m_loopIndex++) { + if (TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x9b25]); + LTP = LTP ^ SLTP; + } + if (LTP == 1) { + pImage->copyLine(m_loopIndex, m_loopIndex - 1); + } else { + line1 = pImage->getPixel(1, m_loopIndex - 2); + line1 |= pImage->getPixel(0, m_loopIndex - 2) << 1; + line2 = pImage->getPixel(2, m_loopIndex - 1); + line2 |= pImage->getPixel(1, m_loopIndex - 1) << 1; + line2 |= pImage->getPixel(0, m_loopIndex - 1) << 2; + line3 = 0; + for (FX_DWORD w = 0; w < GBW; w++) { + if (USESKIP && SKIP->getPixel(w, m_loopIndex)) { + bVal = 0; } else { - line1 = pImage->getPixel(1, m_loopIndex - 2); - line1 |= pImage->getPixel(0, m_loopIndex - 2) << 1; - line2 = pImage->getPixel(2, m_loopIndex - 1); - line2 |= pImage->getPixel(1, m_loopIndex - 1) << 1; - line2 |= pImage->getPixel(0, m_loopIndex - 1) << 2; - line3 = 0; - for(FX_DWORD w = 0; w < GBW; w++) { - if(USESKIP && SKIP->getPixel(w, m_loopIndex)) { - bVal = 0; - } else { - CONTEXT = line3; - CONTEXT |= pImage->getPixel(w + GBAT[0], m_loopIndex + GBAT[1]) << 4; - CONTEXT |= line2 << 5; - CONTEXT |= pImage->getPixel(w + GBAT[2], m_loopIndex + GBAT[3]) << 10; - CONTEXT |= pImage->getPixel(w + GBAT[4], m_loopIndex + GBAT[5]) << 11; - CONTEXT |= line1 << 12; - CONTEXT |= pImage->getPixel(w + GBAT[6], m_loopIndex + GBAT[7]) << 15; - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - } - if(bVal) { - pImage->setPixel(w, m_loopIndex, bVal); - } - line1 = ((line1 << 1) | pImage->getPixel(w + 2, m_loopIndex - 2)) & 0x07; - line2 = ((line2 << 1) | pImage->getPixel(w + 3, m_loopIndex - 1)) & 0x1f; - line3 = ((line3 << 1) | bVal) & 0x0f; - } + CONTEXT = line3; + CONTEXT |= pImage->getPixel(w + GBAT[0], m_loopIndex + GBAT[1]) << 4; + CONTEXT |= line2 << 5; + CONTEXT |= pImage->getPixel(w + GBAT[2], m_loopIndex + GBAT[3]) << 10; + CONTEXT |= pImage->getPixel(w + GBAT[4], m_loopIndex + GBAT[5]) << 11; + CONTEXT |= line1 << 12; + CONTEXT |= pImage->getPixel(w + GBAT[6], m_loopIndex + GBAT[7]) << 15; + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); } - if(pPause && pPause->NeedToPauseNow()) { - m_loopIndex++; - m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; - return FXCODEC_STATUS_DECODE_TOBECONTINUE; + if (bVal) { + pImage->setPixel(w, m_loopIndex, bVal); } + line1 = + ((line1 << 1) | pImage->getPixel(w + 2, m_loopIndex - 2)) & 0x07; + line2 = + ((line2 << 1) | pImage->getPixel(w + 3, m_loopIndex - 1)) & 0x1f; + line3 = ((line3 << 1) | bVal) & 0x0f; + } } - m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH; - return FXCODEC_STATUS_DECODE_FINISH; + if (pPause && pPause->NeedToPauseNow()) { + m_loopIndex++; + m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; + return FXCODEC_STATUS_DECODE_TOBECONTINUE; + } + } + m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH; + return FXCODEC_STATUS_DECODE_FINISH; } -FXCODEC_STATUS CJBig2_GRDProc::decode_Arith_Template1_opt3(CJBig2_Image *pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause) -{ - FX_BOOL SLTP, bVal; - FX_DWORD CONTEXT; - FX_DWORD line1, line2; - uint8_t *pLine1, *pLine2, cVal; - int32_t nStride, nStride2, k; - int32_t nLineBytes, nBitsLeft, cc; - if (!m_pLine) { - m_pLine = pImage->m_pData; +FXCODEC_STATUS CJBig2_GRDProc::decode_Arith_Template1_opt3( + CJBig2_Image* pImage, + CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* gbContext, + IFX_Pause* pPause) { + FX_BOOL SLTP, bVal; + FX_DWORD CONTEXT; + FX_DWORD line1, line2; + uint8_t *pLine1, *pLine2, cVal; + int32_t nStride, nStride2, k; + int32_t nLineBytes, nBitsLeft, cc; + if (!m_pLine) { + m_pLine = pImage->m_pData; + } + nStride = pImage->m_nStride; + nStride2 = nStride << 1; + nLineBytes = ((GBW + 7) >> 3) - 1; + nBitsLeft = GBW - (nLineBytes << 3); + for (; m_loopIndex < GBH; m_loopIndex++) { + if (TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x0795]); + LTP = LTP ^ SLTP; } - nStride = pImage->m_nStride; - nStride2 = nStride << 1; - nLineBytes = ((GBW + 7) >> 3) - 1; - nBitsLeft = GBW - (nLineBytes << 3); - for(; m_loopIndex < GBH; m_loopIndex++) { - if(TPGDON) { - SLTP = pArithDecoder->DECODE(&gbContext[0x0795]); - LTP = LTP ^ SLTP; + if (LTP == 1) { + pImage->copyLine(m_loopIndex, m_loopIndex - 1); + } else { + if (m_loopIndex > 1) { + pLine1 = m_pLine - nStride2; + pLine2 = m_pLine - nStride; + line1 = (*pLine1++) << 4; + line2 = *pLine2++; + CONTEXT = (line1 & 0x1e00) | ((line2 >> 1) & 0x01f8); + for (cc = 0; cc < nLineBytes; cc++) { + line1 = (line1 << 8) | ((*pLine1++) << 4); + line2 = (line2 << 8) | (*pLine2++); + cVal = 0; + for (k = 7; k >= 0; k--) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << k; + CONTEXT = ((CONTEXT & 0x0efb) << 1) | bVal | + ((line1 >> k) & 0x0200) | ((line2 >> (k + 1)) & 0x0008); + } + m_pLine[cc] = cVal; } - if(LTP == 1) { - pImage->copyLine(m_loopIndex, m_loopIndex - 1); - } else { - if(m_loopIndex > 1) { - pLine1 = m_pLine - nStride2; - pLine2 = m_pLine - nStride; - line1 = (*pLine1++) << 4; - line2 = *pLine2++; - CONTEXT = (line1 & 0x1e00) | ((line2 >> 1) & 0x01f8); - for(cc = 0; cc < nLineBytes; cc++) { - line1 = (line1 << 8) | ((*pLine1++) << 4); - line2 = (line2 << 8) | (*pLine2++); - cVal = 0; - for(k = 7; k >= 0; k--) { - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - cVal |= bVal << k; - CONTEXT = ((CONTEXT & 0x0efb) << 1) | bVal - | ((line1 >> k) & 0x0200) - | ((line2 >> (k + 1)) & 0x0008); - } - m_pLine[cc] = cVal; - } - line1 <<= 8; - line2 <<= 8; - cVal = 0; - for(k = 0; k < nBitsLeft; k++) { - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - cVal |= bVal << (7 - k); - CONTEXT = ((CONTEXT & 0x0efb) << 1) | bVal - | ((line1 >> (7 - k)) & 0x0200) - | ((line2 >> (8 - k)) & 0x0008); - } - m_pLine[nLineBytes] = cVal; - } else { - pLine2 = m_pLine - nStride; - line2 = (m_loopIndex & 1) ? (*pLine2++) : 0; - CONTEXT = (line2 >> 1) & 0x01f8; - for(cc = 0; cc < nLineBytes; cc++) { - if(m_loopIndex & 1) { - line2 = (line2 << 8) | (*pLine2++); - } - cVal = 0; - for(k = 7; k >= 0; k--) { - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - cVal |= bVal << k; - CONTEXT = ((CONTEXT & 0x0efb) << 1) | bVal - | ((line2 >> (k + 1)) & 0x0008); - } - m_pLine[cc] = cVal; - } - line2 <<= 8; - cVal = 0; - for(k = 0; k < nBitsLeft; k++) { - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - cVal |= bVal << (7 - k); - CONTEXT = ((CONTEXT & 0x0efb) << 1) | bVal - | ((line2 >> (8 - k)) & 0x0008); - } - m_pLine[nLineBytes] = cVal; - } + line1 <<= 8; + line2 <<= 8; + cVal = 0; + for (k = 0; k < nBitsLeft; k++) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << (7 - k); + CONTEXT = ((CONTEXT & 0x0efb) << 1) | bVal | + ((line1 >> (7 - k)) & 0x0200) | + ((line2 >> (8 - k)) & 0x0008); + } + m_pLine[nLineBytes] = cVal; + } else { + pLine2 = m_pLine - nStride; + line2 = (m_loopIndex & 1) ? (*pLine2++) : 0; + CONTEXT = (line2 >> 1) & 0x01f8; + for (cc = 0; cc < nLineBytes; cc++) { + if (m_loopIndex & 1) { + line2 = (line2 << 8) | (*pLine2++); + } + cVal = 0; + for (k = 7; k >= 0; k--) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << k; + CONTEXT = ((CONTEXT & 0x0efb) << 1) | bVal | + ((line2 >> (k + 1)) & 0x0008); + } + m_pLine[cc] = cVal; } - m_pLine += nStride; - if(pPause && pPause->NeedToPauseNow()) { - m_loopIndex++; - m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; - return FXCODEC_STATUS_DECODE_TOBECONTINUE; + line2 <<= 8; + cVal = 0; + for (k = 0; k < nBitsLeft; k++) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << (7 - k); + CONTEXT = + ((CONTEXT & 0x0efb) << 1) | bVal | ((line2 >> (8 - k)) & 0x0008); } + m_pLine[nLineBytes] = cVal; + } } - m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH; - return FXCODEC_STATUS_DECODE_FINISH; + m_pLine += nStride; + if (pPause && pPause->NeedToPauseNow()) { + m_loopIndex++; + m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; + return FXCODEC_STATUS_DECODE_TOBECONTINUE; + } + } + m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH; + return FXCODEC_STATUS_DECODE_FINISH; } -FXCODEC_STATUS CJBig2_GRDProc::decode_Arith_Template1_unopt(CJBig2_Image * pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause) -{ - FX_BOOL SLTP, bVal; - FX_DWORD CONTEXT; - FX_DWORD line1, line2, line3; - for(FX_DWORD h = 0; h < GBH; h++) { - if(TPGDON) { - SLTP = pArithDecoder->DECODE(&gbContext[0x0795]); - LTP = LTP ^ SLTP; - } - if(LTP == 1) { - pImage->copyLine(h, h - 1); +FXCODEC_STATUS CJBig2_GRDProc::decode_Arith_Template1_unopt( + CJBig2_Image* pImage, + CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* gbContext, + IFX_Pause* pPause) { + FX_BOOL SLTP, bVal; + FX_DWORD CONTEXT; + FX_DWORD line1, line2, line3; + for (FX_DWORD h = 0; h < GBH; h++) { + if (TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x0795]); + LTP = LTP ^ SLTP; + } + if (LTP == 1) { + pImage->copyLine(h, h - 1); + } else { + line1 = pImage->getPixel(2, h - 2); + line1 |= pImage->getPixel(1, h - 2) << 1; + line1 |= pImage->getPixel(0, h - 2) << 2; + line2 = pImage->getPixel(2, h - 1); + line2 |= pImage->getPixel(1, h - 1) << 1; + line2 |= pImage->getPixel(0, h - 1) << 2; + line3 = 0; + for (FX_DWORD w = 0; w < GBW; w++) { + if (USESKIP && SKIP->getPixel(w, h)) { + bVal = 0; } else { - line1 = pImage->getPixel(2, h - 2); - line1 |= pImage->getPixel(1, h - 2) << 1; - line1 |= pImage->getPixel(0, h - 2) << 2; - line2 = pImage->getPixel(2, h - 1); - line2 |= pImage->getPixel(1, h - 1) << 1; - line2 |= pImage->getPixel(0, h - 1) << 2; - line3 = 0; - for(FX_DWORD w = 0; w < GBW; w++) { - if(USESKIP && SKIP->getPixel(w, h)) { - bVal = 0; - } else { - CONTEXT = line3; - CONTEXT |= pImage->getPixel(w + GBAT[0], h + GBAT[1]) << 3; - CONTEXT |= line2 << 4; - CONTEXT |= line1 << 9; - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - } - if(bVal) { - pImage->setPixel(w, h, bVal); - } - line1 = ((line1 << 1) | pImage->getPixel(w + 3, h - 2)) & 0x0f; - line2 = ((line2 << 1) | pImage->getPixel(w + 3, h - 1)) & 0x1f; - line3 = ((line3 << 1) | bVal) & 0x07; - } + CONTEXT = line3; + CONTEXT |= pImage->getPixel(w + GBAT[0], h + GBAT[1]) << 3; + CONTEXT |= line2 << 4; + CONTEXT |= line1 << 9; + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); } - if(pPause && pPause->NeedToPauseNow()) { - m_loopIndex++; - m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; - return FXCODEC_STATUS_DECODE_TOBECONTINUE; + if (bVal) { + pImage->setPixel(w, h, bVal); } + line1 = ((line1 << 1) | pImage->getPixel(w + 3, h - 2)) & 0x0f; + line2 = ((line2 << 1) | pImage->getPixel(w + 3, h - 1)) & 0x1f; + line3 = ((line3 << 1) | bVal) & 0x07; + } } - m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH; - return FXCODEC_STATUS_DECODE_FINISH; + if (pPause && pPause->NeedToPauseNow()) { + m_loopIndex++; + m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; + return FXCODEC_STATUS_DECODE_TOBECONTINUE; + } + } + m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH; + return FXCODEC_STATUS_DECODE_FINISH; } -FXCODEC_STATUS CJBig2_GRDProc::decode_Arith_Template2_opt3(CJBig2_Image *pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause) -{ - FX_BOOL SLTP, bVal; - FX_DWORD CONTEXT; - FX_DWORD line1, line2; - uint8_t *pLine1, *pLine2, cVal; - int32_t nStride, nStride2, k; - int32_t nLineBytes, nBitsLeft, cc; - if(!m_pLine) { - m_pLine = pImage->m_pData; +FXCODEC_STATUS CJBig2_GRDProc::decode_Arith_Template2_opt3( + CJBig2_Image* pImage, + CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* gbContext, + IFX_Pause* pPause) { + FX_BOOL SLTP, bVal; + FX_DWORD CONTEXT; + FX_DWORD line1, line2; + uint8_t *pLine1, *pLine2, cVal; + int32_t nStride, nStride2, k; + int32_t nLineBytes, nBitsLeft, cc; + if (!m_pLine) { + m_pLine = pImage->m_pData; + } + nStride = pImage->m_nStride; + nStride2 = nStride << 1; + nLineBytes = ((GBW + 7) >> 3) - 1; + nBitsLeft = GBW - (nLineBytes << 3); + for (; m_loopIndex < GBH; m_loopIndex++) { + if (TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x00e5]); + LTP = LTP ^ SLTP; } - nStride = pImage->m_nStride; - nStride2 = nStride << 1; - nLineBytes = ((GBW + 7) >> 3) - 1; - nBitsLeft = GBW - (nLineBytes << 3); - for(; m_loopIndex < GBH; m_loopIndex++) { - if(TPGDON) { - SLTP = pArithDecoder->DECODE(&gbContext[0x00e5]); - LTP = LTP ^ SLTP; + if (LTP == 1) { + pImage->copyLine(m_loopIndex, m_loopIndex - 1); + } else { + if (m_loopIndex > 1) { + pLine1 = m_pLine - nStride2; + pLine2 = m_pLine - nStride; + line1 = (*pLine1++) << 1; + line2 = *pLine2++; + CONTEXT = (line1 & 0x0380) | ((line2 >> 3) & 0x007c); + for (cc = 0; cc < nLineBytes; cc++) { + line1 = (line1 << 8) | ((*pLine1++) << 1); + line2 = (line2 << 8) | (*pLine2++); + cVal = 0; + for (k = 7; k >= 0; k--) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << k; + CONTEXT = ((CONTEXT & 0x01bd) << 1) | bVal | + ((line1 >> k) & 0x0080) | ((line2 >> (k + 3)) & 0x0004); + } + m_pLine[cc] = cVal; } - if(LTP == 1) { - pImage->copyLine(m_loopIndex, m_loopIndex - 1); - } else { - if(m_loopIndex > 1) { - pLine1 = m_pLine - nStride2; - pLine2 = m_pLine - nStride; - line1 = (*pLine1++) << 1; - line2 = *pLine2++; - CONTEXT = (line1 & 0x0380) | ((line2 >> 3) & 0x007c); - for(cc = 0; cc < nLineBytes; cc++) { - line1 = (line1 << 8) | ((*pLine1++) << 1); - line2 = (line2 << 8) | (*pLine2++); - cVal = 0; - for(k = 7; k >= 0; k--) { - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - cVal |= bVal << k; - CONTEXT = ((CONTEXT & 0x01bd) << 1) | bVal - | ((line1 >> k) & 0x0080) - | ((line2 >> (k + 3)) & 0x0004); - } - m_pLine[cc] = cVal; - } - line1 <<= 8; - line2 <<= 8; - cVal = 0; - for(k = 0; k < nBitsLeft; k++) { - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - cVal |= bVal << (7 - k); - CONTEXT = ((CONTEXT & 0x01bd) << 1) | bVal - | ((line1 >> (7 - k)) & 0x0080) - | ((line2 >> (10 - k)) & 0x0004); - } - m_pLine[nLineBytes] = cVal; - } else { - pLine2 = m_pLine - nStride; - line2 = (m_loopIndex & 1) ? (*pLine2++) : 0; - CONTEXT = (line2 >> 3) & 0x007c; - for(cc = 0; cc < nLineBytes; cc++) { - if(m_loopIndex & 1) { - line2 = (line2 << 8) | (*pLine2++); - } - cVal = 0; - for(k = 7; k >= 0; k--) { - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - cVal |= bVal << k; - CONTEXT = ((CONTEXT & 0x01bd) << 1) | bVal - | ((line2 >> (k + 3)) & 0x0004); - } - m_pLine[cc] = cVal; - } - line2 <<= 8; - cVal = 0; - for(k = 0; k < nBitsLeft; k++) { - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - cVal |= bVal << (7 - k); - CONTEXT = ((CONTEXT & 0x01bd) << 1) | bVal - | (((line2 >> (10 - k))) & 0x0004); - } - m_pLine[nLineBytes] = cVal; - } + line1 <<= 8; + line2 <<= 8; + cVal = 0; + for (k = 0; k < nBitsLeft; k++) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << (7 - k); + CONTEXT = ((CONTEXT & 0x01bd) << 1) | bVal | + ((line1 >> (7 - k)) & 0x0080) | + ((line2 >> (10 - k)) & 0x0004); } - m_pLine += nStride; - if(pPause && m_loopIndex % 50 == 0 && pPause->NeedToPauseNow()) { - m_loopIndex++; - m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; - return FXCODEC_STATUS_DECODE_TOBECONTINUE; + m_pLine[nLineBytes] = cVal; + } else { + pLine2 = m_pLine - nStride; + line2 = (m_loopIndex & 1) ? (*pLine2++) : 0; + CONTEXT = (line2 >> 3) & 0x007c; + for (cc = 0; cc < nLineBytes; cc++) { + if (m_loopIndex & 1) { + line2 = (line2 << 8) | (*pLine2++); + } + cVal = 0; + for (k = 7; k >= 0; k--) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << k; + CONTEXT = ((CONTEXT & 0x01bd) << 1) | bVal | + ((line2 >> (k + 3)) & 0x0004); + } + m_pLine[cc] = cVal; } + line2 <<= 8; + cVal = 0; + for (k = 0; k < nBitsLeft; k++) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << (7 - k); + CONTEXT = ((CONTEXT & 0x01bd) << 1) | bVal | + (((line2 >> (10 - k))) & 0x0004); + } + m_pLine[nLineBytes] = cVal; + } } - m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH; - return FXCODEC_STATUS_DECODE_FINISH; + m_pLine += nStride; + if (pPause && m_loopIndex % 50 == 0 && pPause->NeedToPauseNow()) { + m_loopIndex++; + m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; + return FXCODEC_STATUS_DECODE_TOBECONTINUE; + } + } + m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH; + return FXCODEC_STATUS_DECODE_FINISH; } -FXCODEC_STATUS CJBig2_GRDProc::decode_Arith_Template2_unopt(CJBig2_Image * pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause) -{ - FX_BOOL SLTP, bVal; - FX_DWORD CONTEXT; - FX_DWORD line1, line2, line3; - for(; m_loopIndex < GBH; m_loopIndex++) { - if(TPGDON) { - SLTP = pArithDecoder->DECODE(&gbContext[0x00e5]); - LTP = LTP ^ SLTP; - } - if(LTP == 1) { - pImage->copyLine(m_loopIndex, m_loopIndex - 1); +FXCODEC_STATUS CJBig2_GRDProc::decode_Arith_Template2_unopt( + CJBig2_Image* pImage, + CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* gbContext, + IFX_Pause* pPause) { + FX_BOOL SLTP, bVal; + FX_DWORD CONTEXT; + FX_DWORD line1, line2, line3; + for (; m_loopIndex < GBH; m_loopIndex++) { + if (TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x00e5]); + LTP = LTP ^ SLTP; + } + if (LTP == 1) { + pImage->copyLine(m_loopIndex, m_loopIndex - 1); + } else { + line1 = pImage->getPixel(1, m_loopIndex - 2); + line1 |= pImage->getPixel(0, m_loopIndex - 2) << 1; + line2 = pImage->getPixel(1, m_loopIndex - 1); + line2 |= pImage->getPixel(0, m_loopIndex - 1) << 1; + line3 = 0; + for (FX_DWORD w = 0; w < GBW; w++) { + if (USESKIP && SKIP->getPixel(w, m_loopIndex)) { + bVal = 0; } else { - line1 = pImage->getPixel(1, m_loopIndex - 2); - line1 |= pImage->getPixel(0, m_loopIndex - 2) << 1; - line2 = pImage->getPixel(1, m_loopIndex - 1); - line2 |= pImage->getPixel(0, m_loopIndex - 1) << 1; - line3 = 0; - for(FX_DWORD w = 0; w < GBW; w++) { - if(USESKIP && SKIP->getPixel(w, m_loopIndex)) { - bVal = 0; - } else { - CONTEXT = line3; - CONTEXT |= pImage->getPixel(w + GBAT[0], m_loopIndex + GBAT[1]) << 2; - CONTEXT |= line2 << 3; - CONTEXT |= line1 << 7; - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - } - if(bVal) { - pImage->setPixel(w, m_loopIndex, bVal); - } - line1 = ((line1 << 1) | pImage->getPixel(w + 2, m_loopIndex - 2)) & 0x07; - line2 = ((line2 << 1) | pImage->getPixel(w + 2, m_loopIndex - 1)) & 0x0f; - line3 = ((line3 << 1) | bVal) & 0x03; - } + CONTEXT = line3; + CONTEXT |= pImage->getPixel(w + GBAT[0], m_loopIndex + GBAT[1]) << 2; + CONTEXT |= line2 << 3; + CONTEXT |= line1 << 7; + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); } - if(pPause && pPause->NeedToPauseNow()) { - m_loopIndex++; - m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; - return FXCODEC_STATUS_DECODE_TOBECONTINUE; + if (bVal) { + pImage->setPixel(w, m_loopIndex, bVal); } + line1 = + ((line1 << 1) | pImage->getPixel(w + 2, m_loopIndex - 2)) & 0x07; + line2 = + ((line2 << 1) | pImage->getPixel(w + 2, m_loopIndex - 1)) & 0x0f; + line3 = ((line3 << 1) | bVal) & 0x03; + } } - m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH; - return FXCODEC_STATUS_DECODE_FINISH; + if (pPause && pPause->NeedToPauseNow()) { + m_loopIndex++; + m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; + return FXCODEC_STATUS_DECODE_TOBECONTINUE; + } + } + m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH; + return FXCODEC_STATUS_DECODE_FINISH; } -FXCODEC_STATUS CJBig2_GRDProc::decode_Arith_Template3_opt3(CJBig2_Image *pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause) -{ - FX_BOOL SLTP, bVal; - FX_DWORD CONTEXT; - FX_DWORD line1; - uint8_t *pLine1, cVal; - int32_t nStride, k; - int32_t nLineBytes, nBitsLeft, cc; - if (!m_pLine) { - m_pLine = pImage->m_pData; +FXCODEC_STATUS CJBig2_GRDProc::decode_Arith_Template3_opt3( + CJBig2_Image* pImage, + CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* gbContext, + IFX_Pause* pPause) { + FX_BOOL SLTP, bVal; + FX_DWORD CONTEXT; + FX_DWORD line1; + uint8_t *pLine1, cVal; + int32_t nStride, k; + int32_t nLineBytes, nBitsLeft, cc; + if (!m_pLine) { + m_pLine = pImage->m_pData; + } + nStride = pImage->m_nStride; + nLineBytes = ((GBW + 7) >> 3) - 1; + nBitsLeft = GBW - (nLineBytes << 3); + for (; m_loopIndex < GBH; m_loopIndex++) { + if (TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x0195]); + LTP = LTP ^ SLTP; } - nStride = pImage->m_nStride; - nLineBytes = ((GBW + 7) >> 3) - 1; - nBitsLeft = GBW - (nLineBytes << 3); - for(; m_loopIndex < GBH; m_loopIndex++) { - if(TPGDON) { - SLTP = pArithDecoder->DECODE(&gbContext[0x0195]); - LTP = LTP ^ SLTP; + if (LTP == 1) { + pImage->copyLine(m_loopIndex, m_loopIndex - 1); + } else { + if (m_loopIndex > 0) { + pLine1 = m_pLine - nStride; + line1 = *pLine1++; + CONTEXT = (line1 >> 1) & 0x03f0; + for (cc = 0; cc < nLineBytes; cc++) { + line1 = (line1 << 8) | (*pLine1++); + cVal = 0; + for (k = 7; k >= 0; k--) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << k; + CONTEXT = ((CONTEXT & 0x01f7) << 1) | bVal | + ((line1 >> (k + 1)) & 0x0010); + } + m_pLine[cc] = cVal; } - if(LTP == 1) { - pImage->copyLine(m_loopIndex, m_loopIndex - 1); - } else { - if(m_loopIndex > 0) { - pLine1 = m_pLine - nStride; - line1 = *pLine1++; - CONTEXT = (line1 >> 1) & 0x03f0; - for(cc = 0; cc < nLineBytes; cc++) { - line1 = (line1 << 8) | (*pLine1++); - cVal = 0; - for(k = 7; k >= 0; k--) { - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - cVal |= bVal << k; - CONTEXT = ((CONTEXT & 0x01f7) << 1) | bVal - | ((line1 >> (k + 1)) & 0x0010); - } - m_pLine[cc] = cVal; - } - line1 <<= 8; - cVal = 0; - for(k = 0; k < nBitsLeft; k++) { - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - cVal |= bVal << (7 - k); - CONTEXT = ((CONTEXT & 0x01f7) << 1) | bVal - | ((line1 >> (8 - k)) & 0x0010); - } - m_pLine[nLineBytes] = cVal; - } else { - CONTEXT = 0; - for(cc = 0; cc < nLineBytes; cc++) { - cVal = 0; - for(k = 7; k >= 0; k--) { - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - cVal |= bVal << k; - CONTEXT = ((CONTEXT & 0x01f7) << 1) | bVal; - } - m_pLine[cc] = cVal; - } - cVal = 0; - for(k = 0; k < nBitsLeft; k++) { - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - cVal |= bVal << (7 - k); - CONTEXT = ((CONTEXT & 0x01f7) << 1) | bVal; - } - m_pLine[nLineBytes] = cVal; - } + line1 <<= 8; + cVal = 0; + for (k = 0; k < nBitsLeft; k++) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << (7 - k); + CONTEXT = + ((CONTEXT & 0x01f7) << 1) | bVal | ((line1 >> (8 - k)) & 0x0010); + } + m_pLine[nLineBytes] = cVal; + } else { + CONTEXT = 0; + for (cc = 0; cc < nLineBytes; cc++) { + cVal = 0; + for (k = 7; k >= 0; k--) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << k; + CONTEXT = ((CONTEXT & 0x01f7) << 1) | bVal; + } + m_pLine[cc] = cVal; } - m_pLine += nStride; - if(pPause && pPause->NeedToPauseNow()) { - m_loopIndex++; - m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; - return FXCODEC_STATUS_DECODE_TOBECONTINUE; + cVal = 0; + for (k = 0; k < nBitsLeft; k++) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << (7 - k); + CONTEXT = ((CONTEXT & 0x01f7) << 1) | bVal; } + m_pLine[nLineBytes] = cVal; + } } - m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH; - return FXCODEC_STATUS_DECODE_FINISH; + m_pLine += nStride; + if (pPause && pPause->NeedToPauseNow()) { + m_loopIndex++; + m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; + return FXCODEC_STATUS_DECODE_TOBECONTINUE; + } + } + m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH; + return FXCODEC_STATUS_DECODE_FINISH; } -FXCODEC_STATUS CJBig2_GRDProc::decode_Arith_Template3_unopt(CJBig2_Image * pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause) -{ - FX_BOOL SLTP, bVal; - FX_DWORD CONTEXT; - FX_DWORD line1, line2; - for(; m_loopIndex < GBH; m_loopIndex++) { - if(TPGDON) { - SLTP = pArithDecoder->DECODE(&gbContext[0x0195]); - LTP = LTP ^ SLTP; - } - if(LTP == 1) { - pImage->copyLine(m_loopIndex, m_loopIndex - 1); +FXCODEC_STATUS CJBig2_GRDProc::decode_Arith_Template3_unopt( + CJBig2_Image* pImage, + CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* gbContext, + IFX_Pause* pPause) { + FX_BOOL SLTP, bVal; + FX_DWORD CONTEXT; + FX_DWORD line1, line2; + for (; m_loopIndex < GBH; m_loopIndex++) { + if (TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x0195]); + LTP = LTP ^ SLTP; + } + if (LTP == 1) { + pImage->copyLine(m_loopIndex, m_loopIndex - 1); + } else { + line1 = pImage->getPixel(1, m_loopIndex - 1); + line1 |= pImage->getPixel(0, m_loopIndex - 1) << 1; + line2 = 0; + for (FX_DWORD w = 0; w < GBW; w++) { + if (USESKIP && SKIP->getPixel(w, m_loopIndex)) { + bVal = 0; } else { - line1 = pImage->getPixel(1, m_loopIndex - 1); - line1 |= pImage->getPixel(0, m_loopIndex - 1) << 1; - line2 = 0; - for(FX_DWORD w = 0; w < GBW; w++) { - if(USESKIP && SKIP->getPixel(w, m_loopIndex)) { - bVal = 0; - } else { - CONTEXT = line2; - CONTEXT |= pImage->getPixel(w + GBAT[0], m_loopIndex + GBAT[1]) << 4; - CONTEXT |= line1 << 5; - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - } - if(bVal) { - pImage->setPixel(w, m_loopIndex, bVal); - } - line1 = ((line1 << 1) | pImage->getPixel(w + 2, m_loopIndex - 1)) & 0x1f; - line2 = ((line2 << 1) | bVal) & 0x0f; - } + CONTEXT = line2; + CONTEXT |= pImage->getPixel(w + GBAT[0], m_loopIndex + GBAT[1]) << 4; + CONTEXT |= line1 << 5; + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); } - if(pPause && pPause->NeedToPauseNow()) { - m_loopIndex++; - m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; - return FXCODEC_STATUS_DECODE_TOBECONTINUE; + if (bVal) { + pImage->setPixel(w, m_loopIndex, bVal); } + line1 = + ((line1 << 1) | pImage->getPixel(w + 2, m_loopIndex - 1)) & 0x1f; + line2 = ((line2 << 1) | bVal) & 0x0f; + } } - m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH; - return FXCODEC_STATUS_DECODE_FINISH; + if (pPause && pPause->NeedToPauseNow()) { + m_loopIndex++; + m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; + return FXCODEC_STATUS_DECODE_TOBECONTINUE; + } + } + m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH; + return FXCODEC_STATUS_DECODE_FINISH; } diff --git a/core/src/fxcodec/jbig2/JBig2_GeneralDecoder.h b/core/src/fxcodec/jbig2/JBig2_GeneralDecoder.h index 2bd2ceac95..3c9a39a19f 100644 --- a/core/src/fxcodec/jbig2/JBig2_GeneralDecoder.h +++ b/core/src/fxcodec/jbig2/JBig2_GeneralDecoder.h @@ -18,262 +18,307 @@ class CJBig2_HuffmanTable; class CJBig2_Image; class CJBig2_PatternDict; typedef enum { - JBIG2_CORNER_BOTTOMLEFT = 0, - JBIG2_CORNER_TOPLEFT = 1, - JBIG2_CORNER_BOTTOMRIGHT = 2, - JBIG2_CORNER_TOPRIGHT = 3 + JBIG2_CORNER_BOTTOMLEFT = 0, + JBIG2_CORNER_TOPLEFT = 1, + JBIG2_CORNER_BOTTOMRIGHT = 2, + JBIG2_CORNER_TOPRIGHT = 3 } JBig2Corner; -class CJBig2_GRDProc : public CJBig2_Object -{ -public: - CJBig2_GRDProc() - { - m_loopIndex = 0; - m_pLine = NULL; - m_pPause = NULL; - m_DecodeType = 0; - LTP = 0; - m_ReplaceRect.left = 0; - m_ReplaceRect.bottom = 0; - m_ReplaceRect.top = 0; - m_ReplaceRect.right = 0; - } - - CJBig2_Image *decode_Arith(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext); - - CJBig2_Image *decode_Arith_V2(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext); - - CJBig2_Image *decode_Arith_V1(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext); - - CJBig2_Image *decode_MMR(CJBig2_BitStream *pStream); - FXCODEC_STATUS Start_decode_Arith(CJBig2_Image** pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause = NULL); - FXCODEC_STATUS Start_decode_Arith_V2(CJBig2_Image** pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause = NULL); - FXCODEC_STATUS Start_decode_Arith_V1(CJBig2_Image** pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause = NULL); - FXCODEC_STATUS Start_decode_MMR(CJBig2_Image** pImage, CJBig2_BitStream *pStream, IFX_Pause* pPause = NULL); - FXCODEC_STATUS Continue_decode(IFX_Pause* pPause); - FX_RECT GetReplaceRect() - { - return m_ReplaceRect; - }; -private: - FXCODEC_STATUS decode_Arith(IFX_Pause* pPause); - FXCODEC_STATUS decode_Arith_V2(IFX_Pause* pPause); - FXCODEC_STATUS decode_Arith_V1(IFX_Pause* pPause); - FXCODEC_STATUS decode_MMR(); - FXCODEC_STATUS decode_Arith_Template0_opt3(CJBig2_Image*pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause); - FXCODEC_STATUS decode_Arith_Template0_unopt(CJBig2_Image *pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause); - FXCODEC_STATUS decode_Arith_Template1_opt3(CJBig2_Image *pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause); - FXCODEC_STATUS decode_Arith_Template1_unopt(CJBig2_Image * pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause); - FXCODEC_STATUS decode_Arith_Template2_opt3(CJBig2_Image *pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause); - FXCODEC_STATUS decode_Arith_Template2_unopt(CJBig2_Image * pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause); - FXCODEC_STATUS decode_Arith_Template3_opt3(CJBig2_Image *pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause); - FXCODEC_STATUS decode_Arith_Template3_unopt(CJBig2_Image * pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause); - FX_DWORD m_loopIndex; - uint8_t * m_pLine; - IFX_Pause* m_pPause; - FXCODEC_STATUS m_ProssiveStatus; - CJBig2_Image** m_pImage; - CJBig2_ArithDecoder *m_pArithDecoder; - JBig2ArithCtx *m_gbContext; - FX_WORD m_DecodeType; - FX_BOOL LTP; - FX_RECT m_ReplaceRect; -private: - - CJBig2_Image *decode_Arith_Template0_opt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext); - - CJBig2_Image *decode_Arith_Template0_opt2(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext); - - CJBig2_Image *decode_Arith_Template0_opt3(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext); - - CJBig2_Image *decode_Arith_Template0_unopt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext); - - CJBig2_Image *decode_Arith_Template1_opt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext); - - CJBig2_Image *decode_Arith_Template1_opt2(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext); - - CJBig2_Image *decode_Arith_Template1_opt3(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext); - - CJBig2_Image *decode_Arith_Template1_unopt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext); - - CJBig2_Image *decode_Arith_Template2_opt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext); - - CJBig2_Image *decode_Arith_Template2_opt2(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext); - - CJBig2_Image *decode_Arith_Template2_opt3(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext); - - CJBig2_Image *decode_Arith_Template2_unopt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext); - - CJBig2_Image *decode_Arith_Template3_opt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext); - - CJBig2_Image *decode_Arith_Template3_opt2(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext); - - CJBig2_Image *decode_Arith_Template3_opt3(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext); - - CJBig2_Image *decode_Arith_Template3_unopt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext); -public: - FX_BOOL MMR; - FX_DWORD GBW; - FX_DWORD GBH; - uint8_t GBTEMPLATE; - FX_BOOL TPGDON; - FX_BOOL USESKIP; - CJBig2_Image * SKIP; - signed char GBAT[8]; +class CJBig2_GRDProc : public CJBig2_Object { + public: + CJBig2_GRDProc() { + m_loopIndex = 0; + m_pLine = NULL; + m_pPause = NULL; + m_DecodeType = 0; + LTP = 0; + m_ReplaceRect.left = 0; + m_ReplaceRect.bottom = 0; + m_ReplaceRect.top = 0; + m_ReplaceRect.right = 0; + } + + CJBig2_Image* decode_Arith(CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* gbContext); + + CJBig2_Image* decode_Arith_V2(CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* gbContext); + + CJBig2_Image* decode_Arith_V1(CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* gbContext); + + CJBig2_Image* decode_MMR(CJBig2_BitStream* pStream); + FXCODEC_STATUS Start_decode_Arith(CJBig2_Image** pImage, + CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* gbContext, + IFX_Pause* pPause = NULL); + FXCODEC_STATUS Start_decode_Arith_V2(CJBig2_Image** pImage, + CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* gbContext, + IFX_Pause* pPause = NULL); + FXCODEC_STATUS Start_decode_Arith_V1(CJBig2_Image** pImage, + CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* gbContext, + IFX_Pause* pPause = NULL); + FXCODEC_STATUS Start_decode_MMR(CJBig2_Image** pImage, + CJBig2_BitStream* pStream, + IFX_Pause* pPause = NULL); + FXCODEC_STATUS Continue_decode(IFX_Pause* pPause); + FX_RECT GetReplaceRect() { return m_ReplaceRect; }; + + private: + FXCODEC_STATUS decode_Arith(IFX_Pause* pPause); + FXCODEC_STATUS decode_Arith_V2(IFX_Pause* pPause); + FXCODEC_STATUS decode_Arith_V1(IFX_Pause* pPause); + FXCODEC_STATUS decode_MMR(); + FXCODEC_STATUS decode_Arith_Template0_opt3(CJBig2_Image* pImage, + CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* gbContext, + IFX_Pause* pPause); + FXCODEC_STATUS decode_Arith_Template0_unopt( + CJBig2_Image* pImage, + CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* gbContext, + IFX_Pause* pPause); + FXCODEC_STATUS decode_Arith_Template1_opt3(CJBig2_Image* pImage, + CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* gbContext, + IFX_Pause* pPause); + FXCODEC_STATUS decode_Arith_Template1_unopt( + CJBig2_Image* pImage, + CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* gbContext, + IFX_Pause* pPause); + FXCODEC_STATUS decode_Arith_Template2_opt3(CJBig2_Image* pImage, + CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* gbContext, + IFX_Pause* pPause); + FXCODEC_STATUS decode_Arith_Template2_unopt( + CJBig2_Image* pImage, + CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* gbContext, + IFX_Pause* pPause); + FXCODEC_STATUS decode_Arith_Template3_opt3(CJBig2_Image* pImage, + CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* gbContext, + IFX_Pause* pPause); + FXCODEC_STATUS decode_Arith_Template3_unopt( + CJBig2_Image* pImage, + CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* gbContext, + IFX_Pause* pPause); + FX_DWORD m_loopIndex; + uint8_t* m_pLine; + IFX_Pause* m_pPause; + FXCODEC_STATUS m_ProssiveStatus; + CJBig2_Image** m_pImage; + CJBig2_ArithDecoder* m_pArithDecoder; + JBig2ArithCtx* m_gbContext; + FX_WORD m_DecodeType; + FX_BOOL LTP; + FX_RECT m_ReplaceRect; + + private: + CJBig2_Image* decode_Arith_Template0_opt(CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* gbContext); + + CJBig2_Image* decode_Arith_Template0_opt2(CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* gbContext); + + CJBig2_Image* decode_Arith_Template0_opt3(CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* gbContext); + + CJBig2_Image* decode_Arith_Template0_unopt(CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* gbContext); + + CJBig2_Image* decode_Arith_Template1_opt(CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* gbContext); + + CJBig2_Image* decode_Arith_Template1_opt2(CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* gbContext); + + CJBig2_Image* decode_Arith_Template1_opt3(CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* gbContext); + + CJBig2_Image* decode_Arith_Template1_unopt(CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* gbContext); + + CJBig2_Image* decode_Arith_Template2_opt(CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* gbContext); + + CJBig2_Image* decode_Arith_Template2_opt2(CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* gbContext); + + CJBig2_Image* decode_Arith_Template2_opt3(CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* gbContext); + + CJBig2_Image* decode_Arith_Template2_unopt(CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* gbContext); + + CJBig2_Image* decode_Arith_Template3_opt(CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* gbContext); + + CJBig2_Image* decode_Arith_Template3_opt2(CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* gbContext); + + CJBig2_Image* decode_Arith_Template3_opt3(CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* gbContext); + + CJBig2_Image* decode_Arith_Template3_unopt(CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* gbContext); + + public: + FX_BOOL MMR; + FX_DWORD GBW; + FX_DWORD GBH; + uint8_t GBTEMPLATE; + FX_BOOL TPGDON; + FX_BOOL USESKIP; + CJBig2_Image* SKIP; + signed char GBAT[8]; }; -class CJBig2_GRRDProc : public CJBig2_Object -{ -public: - - CJBig2_Image *decode(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *grContext); - - CJBig2_Image *decode_Template0_unopt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *grContext); - - CJBig2_Image *decode_Template0_opt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *grContext); - - CJBig2_Image *decode_Template1_unopt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *grContext); - - CJBig2_Image *decode_Template1_opt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *grContext); - - CJBig2_Image *decode_V1(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *grContext); -public: - FX_DWORD GRW; - FX_DWORD GRH; - FX_BOOL GRTEMPLATE; - CJBig2_Image *GRREFERENCE; - int32_t GRREFERENCEDX; - int32_t GRREFERENCEDY; - FX_BOOL TPGRON; - signed char GRAT[4]; +class CJBig2_GRRDProc : public CJBig2_Object { + public: + CJBig2_Image* decode(CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* grContext); + + CJBig2_Image* decode_Template0_unopt(CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* grContext); + + CJBig2_Image* decode_Template0_opt(CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* grContext); + + CJBig2_Image* decode_Template1_unopt(CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* grContext); + + CJBig2_Image* decode_Template1_opt(CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* grContext); + + CJBig2_Image* decode_V1(CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* grContext); + + public: + FX_DWORD GRW; + FX_DWORD GRH; + FX_BOOL GRTEMPLATE; + CJBig2_Image* GRREFERENCE; + int32_t GRREFERENCEDX; + int32_t GRREFERENCEDY; + FX_BOOL TPGRON; + signed char GRAT[4]; }; typedef struct { - CJBig2_ArithIntDecoder *IADT, - *IAFS, - *IADS, - *IAIT, - *IARI, - *IARDW, - *IARDH, - *IARDX, - *IARDY; - CJBig2_ArithIaidDecoder *IAID; + CJBig2_ArithIntDecoder *IADT, *IAFS, *IADS, *IAIT, *IARI, *IARDW, *IARDH, + *IARDX, *IARDY; + CJBig2_ArithIaidDecoder* IAID; } JBig2IntDecoderState; -class CJBig2_TRDProc : public CJBig2_Object -{ -public: - - CJBig2_Image *decode_Huffman(CJBig2_BitStream *pStream, JBig2ArithCtx *grContext); - - CJBig2_Image *decode_Arith(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *grContext, - JBig2IntDecoderState *pIDS = NULL); -public: - FX_BOOL SBHUFF; - FX_BOOL SBREFINE; - FX_DWORD SBW; - FX_DWORD SBH; - FX_DWORD SBNUMINSTANCES; - FX_DWORD SBSTRIPS; - FX_DWORD SBNUMSYMS; - - JBig2HuffmanCode *SBSYMCODES; - uint8_t SBSYMCODELEN; - - CJBig2_Image **SBSYMS; - FX_BOOL SBDEFPIXEL; - - JBig2ComposeOp SBCOMBOP; - FX_BOOL TRANSPOSED; - - JBig2Corner REFCORNER; - signed char SBDSOFFSET; - CJBig2_HuffmanTable *SBHUFFFS, - *SBHUFFDS, - *SBHUFFDT, - *SBHUFFRDW, - *SBHUFFRDH, - *SBHUFFRDX, - *SBHUFFRDY, - *SBHUFFRSIZE; - FX_BOOL SBRTEMPLATE; - signed char SBRAT[4]; +class CJBig2_TRDProc : public CJBig2_Object { + public: + CJBig2_Image* decode_Huffman(CJBig2_BitStream* pStream, + JBig2ArithCtx* grContext); + + CJBig2_Image* decode_Arith(CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* grContext, + JBig2IntDecoderState* pIDS = NULL); + + public: + FX_BOOL SBHUFF; + FX_BOOL SBREFINE; + FX_DWORD SBW; + FX_DWORD SBH; + FX_DWORD SBNUMINSTANCES; + FX_DWORD SBSTRIPS; + FX_DWORD SBNUMSYMS; + + JBig2HuffmanCode* SBSYMCODES; + uint8_t SBSYMCODELEN; + + CJBig2_Image** SBSYMS; + FX_BOOL SBDEFPIXEL; + + JBig2ComposeOp SBCOMBOP; + FX_BOOL TRANSPOSED; + + JBig2Corner REFCORNER; + signed char SBDSOFFSET; + CJBig2_HuffmanTable *SBHUFFFS, *SBHUFFDS, *SBHUFFDT, *SBHUFFRDW, *SBHUFFRDH, + *SBHUFFRDX, *SBHUFFRDY, *SBHUFFRSIZE; + FX_BOOL SBRTEMPLATE; + signed char SBRAT[4]; }; -class CJBig2_SDDProc : public CJBig2_Object -{ -public: - - CJBig2_SymbolDict *decode_Arith(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, JBig2ArithCtx *grContext); - - CJBig2_SymbolDict *decode_Huffman(CJBig2_BitStream *pStream, JBig2ArithCtx *gbContext, JBig2ArithCtx *grContext, IFX_Pause* pPause); -public: - FX_BOOL SDHUFF; - FX_BOOL SDREFAGG; - FX_DWORD SDNUMINSYMS; - CJBig2_Image ** SDINSYMS; - FX_DWORD SDNUMNEWSYMS; - FX_DWORD SDNUMEXSYMS; - CJBig2_HuffmanTable *SDHUFFDH, - *SDHUFFDW, - *SDHUFFBMSIZE, - *SDHUFFAGGINST; - uint8_t SDTEMPLATE; - signed char SDAT[8]; - FX_BOOL SDRTEMPLATE; - signed char SDRAT[4]; +class CJBig2_SDDProc : public CJBig2_Object { + public: + CJBig2_SymbolDict* decode_Arith(CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* gbContext, + JBig2ArithCtx* grContext); + + CJBig2_SymbolDict* decode_Huffman(CJBig2_BitStream* pStream, + JBig2ArithCtx* gbContext, + JBig2ArithCtx* grContext, + IFX_Pause* pPause); + + public: + FX_BOOL SDHUFF; + FX_BOOL SDREFAGG; + FX_DWORD SDNUMINSYMS; + CJBig2_Image** SDINSYMS; + FX_DWORD SDNUMNEWSYMS; + FX_DWORD SDNUMEXSYMS; + CJBig2_HuffmanTable *SDHUFFDH, *SDHUFFDW, *SDHUFFBMSIZE, *SDHUFFAGGINST; + uint8_t SDTEMPLATE; + signed char SDAT[8]; + FX_BOOL SDRTEMPLATE; + signed char SDRAT[4]; }; -class CJBig2_HTRDProc : public CJBig2_Object -{ -public: - - CJBig2_Image *decode_Arith(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause); - - CJBig2_Image *decode_MMR(CJBig2_BitStream *pStream, IFX_Pause* pPause); -public: - FX_DWORD HBW, - HBH; - FX_BOOL HMMR; - uint8_t HTEMPLATE; - FX_DWORD HNUMPATS; - CJBig2_Image **HPATS; - FX_BOOL HDEFPIXEL; - JBig2ComposeOp HCOMBOP; - FX_BOOL HENABLESKIP; - FX_DWORD HGW, - HGH; - int32_t HGX, - HGY; - FX_WORD HRX, - HRY; - uint8_t HPW, - HPH; +class CJBig2_HTRDProc : public CJBig2_Object { + public: + CJBig2_Image* decode_Arith(CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* gbContext, + IFX_Pause* pPause); + + CJBig2_Image* decode_MMR(CJBig2_BitStream* pStream, IFX_Pause* pPause); + + public: + FX_DWORD HBW, HBH; + FX_BOOL HMMR; + uint8_t HTEMPLATE; + FX_DWORD HNUMPATS; + CJBig2_Image** HPATS; + FX_BOOL HDEFPIXEL; + JBig2ComposeOp HCOMBOP; + FX_BOOL HENABLESKIP; + FX_DWORD HGW, HGH; + int32_t HGX, HGY; + FX_WORD HRX, HRY; + uint8_t HPW, HPH; }; -class CJBig2_PDDProc : public CJBig2_Object -{ -public: - - CJBig2_PatternDict *decode_Arith(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause); - - CJBig2_PatternDict *decode_MMR(CJBig2_BitStream *pStream, IFX_Pause* pPause); -public: - FX_BOOL HDMMR; - uint8_t HDPW, - HDPH; - FX_DWORD GRAYMAX; - uint8_t HDTEMPLATE; +class CJBig2_PDDProc : public CJBig2_Object { + public: + CJBig2_PatternDict* decode_Arith(CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* gbContext, + IFX_Pause* pPause); + + CJBig2_PatternDict* decode_MMR(CJBig2_BitStream* pStream, IFX_Pause* pPause); + + public: + FX_BOOL HDMMR; + uint8_t HDPW, HDPH; + FX_DWORD GRAYMAX; + uint8_t HDTEMPLATE; }; -class CJBig2_GSIDProc : public CJBig2_Object -{ -public: - - FX_DWORD *decode_Arith(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause); - - FX_DWORD *decode_MMR(CJBig2_BitStream *pStream, IFX_Pause* pPause); -public: - FX_BOOL GSMMR; - FX_BOOL GSUSESKIP; - uint8_t GSBPP; - FX_DWORD GSW, - GSH; - uint8_t GSTEMPLATE; - CJBig2_Image *GSKIP; +class CJBig2_GSIDProc : public CJBig2_Object { + public: + FX_DWORD* decode_Arith(CJBig2_ArithDecoder* pArithDecoder, + JBig2ArithCtx* gbContext, + IFX_Pause* pPause); + + FX_DWORD* decode_MMR(CJBig2_BitStream* pStream, IFX_Pause* pPause); + + public: + FX_BOOL GSMMR; + FX_BOOL GSUSESKIP; + uint8_t GSBPP; + FX_DWORD GSW, GSH; + uint8_t GSTEMPLATE; + CJBig2_Image* GSKIP; }; #endif diff --git a/core/src/fxcodec/jbig2/JBig2_HuffmanDecoder.cpp b/core/src/fxcodec/jbig2/JBig2_HuffmanDecoder.cpp index ef84547992..d5acc362fd 100644 --- a/core/src/fxcodec/jbig2/JBig2_HuffmanDecoder.cpp +++ b/core/src/fxcodec/jbig2/JBig2_HuffmanDecoder.cpp @@ -1,56 +1,53 @@ // Copyright 2014 PDFium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. - + // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com #include "JBig2_HuffmanDecoder.h" -CJBig2_HuffmanDecoder::CJBig2_HuffmanDecoder(CJBig2_BitStream *pStream) -{ - m_pStream = pStream; -} -CJBig2_HuffmanDecoder::~CJBig2_HuffmanDecoder() -{ +CJBig2_HuffmanDecoder::CJBig2_HuffmanDecoder(CJBig2_BitStream* pStream) { + m_pStream = pStream; } -int CJBig2_HuffmanDecoder::decodeAValue(CJBig2_HuffmanTable *pTable, int *nResult) -{ - int i; - int nVal = 0; - int nBits = 0; - FX_DWORD nTmp; - while(1) { - if(m_pStream->read1Bit(&nTmp) == -1) { - return -1; +CJBig2_HuffmanDecoder::~CJBig2_HuffmanDecoder() {} +int CJBig2_HuffmanDecoder::decodeAValue(CJBig2_HuffmanTable* pTable, + int* nResult) { + int i; + int nVal = 0; + int nBits = 0; + FX_DWORD nTmp; + while (1) { + if (m_pStream->read1Bit(&nTmp) == -1) { + return -1; + } + nVal = (nVal << 1) | nTmp; + nBits++; + for (i = 0; i < pTable->NTEMP; i++) { + if ((pTable->PREFLEN[i] == nBits) && (pTable->CODES[i] == nVal)) { + if ((pTable->HTOOB == 1) && (i == pTable->NTEMP - 1)) { + return JBIG2_OOB; + } + if (m_pStream->readNBits(pTable->RANGELEN[i], &nTmp) == -1) { + return -1; } - nVal = (nVal << 1) | nTmp; - nBits ++; - for(i = 0; i < pTable->NTEMP; i++) { - if((pTable->PREFLEN[i] == nBits) && (pTable->CODES[i] == nVal)) { - if((pTable->HTOOB == 1) && (i == pTable->NTEMP - 1)) { - return JBIG2_OOB; - } - if(m_pStream->readNBits(pTable->RANGELEN[i], &nTmp) == -1) { - return -1; - } - if(pTable->HTOOB) { - if(i == pTable->NTEMP - 3) { - *nResult = pTable->RANGELOW[i] - nTmp; - return 0; - } else { - *nResult = pTable->RANGELOW[i] + nTmp; - return 0; - } - } else { - if(i == pTable->NTEMP - 2) { - *nResult = pTable->RANGELOW[i] - nTmp; - return 0; - } else { - *nResult = pTable->RANGELOW[i] + nTmp; - return 0; - } - } - } + if (pTable->HTOOB) { + if (i == pTable->NTEMP - 3) { + *nResult = pTable->RANGELOW[i] - nTmp; + return 0; + } else { + *nResult = pTable->RANGELOW[i] + nTmp; + return 0; + } + } else { + if (i == pTable->NTEMP - 2) { + *nResult = pTable->RANGELOW[i] - nTmp; + return 0; + } else { + *nResult = pTable->RANGELOW[i] + nTmp; + return 0; + } } + } } - return -2; + } + return -2; } diff --git a/core/src/fxcodec/jbig2/JBig2_HuffmanDecoder.h b/core/src/fxcodec/jbig2/JBig2_HuffmanDecoder.h index 60ec2900d3..6bf1cb45e0 100644 --- a/core/src/fxcodec/jbig2/JBig2_HuffmanDecoder.h +++ b/core/src/fxcodec/jbig2/JBig2_HuffmanDecoder.h @@ -1,24 +1,22 @@ // Copyright 2014 PDFium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. - + // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com #ifndef _JBIG2_HUFFMAN_DECODER_H_ #define _JBIG2_HUFFMAN_DECODER_H_ #include "JBig2_BitStream.h" #include "JBig2_HuffmanTable.h" -class CJBig2_HuffmanDecoder : public CJBig2_Object -{ -public: - - CJBig2_HuffmanDecoder(CJBig2_BitStream *pStream); +class CJBig2_HuffmanDecoder : public CJBig2_Object { + public: + CJBig2_HuffmanDecoder(CJBig2_BitStream* pStream); - ~CJBig2_HuffmanDecoder(); + ~CJBig2_HuffmanDecoder(); - int decodeAValue(CJBig2_HuffmanTable *pTable, int *nResult); -private: + int decodeAValue(CJBig2_HuffmanTable* pTable, int* nResult); - CJBig2_BitStream *m_pStream; + private: + CJBig2_BitStream* m_pStream; }; #endif diff --git a/core/src/fxcodec/jbig2/JBig2_HuffmanTable.cpp b/core/src/fxcodec/jbig2/JBig2_HuffmanTable.cpp index 0616123c1e..87722d2628 100644 --- a/core/src/fxcodec/jbig2/JBig2_HuffmanTable.cpp +++ b/core/src/fxcodec/jbig2/JBig2_HuffmanTable.cpp @@ -1,194 +1,189 @@ // Copyright 2014 PDFium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. - + // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com #include "JBig2_HuffmanTable.h" #include "JBig2_BitStream.h" #include <string.h> -CJBig2_HuffmanTable::CJBig2_HuffmanTable(const JBig2TableLine *pTable, int nLines, - FX_BOOL bHTOOB) -{ - init(); - m_bOK = parseFromStandardTable(pTable, nLines, bHTOOB); +CJBig2_HuffmanTable::CJBig2_HuffmanTable(const JBig2TableLine* pTable, + int nLines, + FX_BOOL bHTOOB) { + init(); + m_bOK = parseFromStandardTable(pTable, nLines, bHTOOB); } -CJBig2_HuffmanTable::CJBig2_HuffmanTable(CJBig2_BitStream *pStream) -{ - init(); - m_bOK = parseFromCodedBuffer(pStream); +CJBig2_HuffmanTable::CJBig2_HuffmanTable(CJBig2_BitStream* pStream) { + init(); + m_bOK = parseFromCodedBuffer(pStream); } -CJBig2_HuffmanTable::~CJBig2_HuffmanTable() -{ - if(CODES) { - m_pModule->JBig2_Free(CODES); - } - if(PREFLEN) { - m_pModule->JBig2_Free(PREFLEN); - } - if(RANGELEN) { - m_pModule->JBig2_Free(RANGELEN); - } - if(RANGELOW) { - m_pModule->JBig2_Free(RANGELOW); - } +CJBig2_HuffmanTable::~CJBig2_HuffmanTable() { + if (CODES) { + m_pModule->JBig2_Free(CODES); + } + if (PREFLEN) { + m_pModule->JBig2_Free(PREFLEN); + } + if (RANGELEN) { + m_pModule->JBig2_Free(RANGELEN); + } + if (RANGELOW) { + m_pModule->JBig2_Free(RANGELOW); + } } -void CJBig2_HuffmanTable::init() -{ - HTOOB = FALSE; - NTEMP = 0; - CODES = NULL; - PREFLEN = NULL; - RANGELEN = NULL; - RANGELOW = NULL; +void CJBig2_HuffmanTable::init() { + HTOOB = FALSE; + NTEMP = 0; + CODES = NULL; + PREFLEN = NULL; + RANGELEN = NULL; + RANGELOW = NULL; } -int CJBig2_HuffmanTable::parseFromStandardTable(const JBig2TableLine *pTable, int nLines, FX_BOOL bHTOOB) -{ - int CURLEN, LENMAX, CURCODE, CURTEMP, i; - int *LENCOUNT; - int *FIRSTCODE; - HTOOB = bHTOOB; - NTEMP = nLines; - CODES = (int*)m_pModule->JBig2_Malloc2(sizeof(int), NTEMP); - PREFLEN = (int*)m_pModule->JBig2_Malloc2(sizeof(int), NTEMP); - RANGELEN = (int*)m_pModule->JBig2_Malloc2(sizeof(int), NTEMP); - RANGELOW = (int*)m_pModule->JBig2_Malloc2(sizeof(int), NTEMP); - LENMAX = 0; - for(i = 0; i < NTEMP; i++) { - PREFLEN[i] = pTable[i].PREFLEN; - RANGELEN[i] = pTable[i].RANDELEN; - RANGELOW[i] = pTable[i].RANGELOW; - if(PREFLEN[i] > LENMAX) { - LENMAX = PREFLEN[i]; - } - } - LENCOUNT = (int*)m_pModule->JBig2_Malloc2(sizeof(int), (LENMAX + 1)); - JBIG2_memset(LENCOUNT, 0, sizeof(int) * (LENMAX + 1)); - FIRSTCODE = (int*)m_pModule->JBig2_Malloc2(sizeof(int), (LENMAX + 1)); - for(i = 0; i < NTEMP; i++) { - LENCOUNT[PREFLEN[i]] ++; - } - CURLEN = 1; - FIRSTCODE[0] = 0; - LENCOUNT[0] = 0; - while(CURLEN <= LENMAX) { - FIRSTCODE[CURLEN] = (FIRSTCODE[CURLEN - 1] + LENCOUNT[CURLEN - 1]) << 1; - CURCODE = FIRSTCODE[CURLEN]; - CURTEMP = 0; - while(CURTEMP < NTEMP) { - if(PREFLEN[CURTEMP] == CURLEN) { - CODES[CURTEMP] = CURCODE; - CURCODE = CURCODE + 1; - } - CURTEMP = CURTEMP + 1; - } - CURLEN = CURLEN + 1; - } - m_pModule->JBig2_Free(LENCOUNT); - m_pModule->JBig2_Free(FIRSTCODE); - return 1; +int CJBig2_HuffmanTable::parseFromStandardTable(const JBig2TableLine* pTable, + int nLines, + FX_BOOL bHTOOB) { + int CURLEN, LENMAX, CURCODE, CURTEMP, i; + int* LENCOUNT; + int* FIRSTCODE; + HTOOB = bHTOOB; + NTEMP = nLines; + CODES = (int*)m_pModule->JBig2_Malloc2(sizeof(int), NTEMP); + PREFLEN = (int*)m_pModule->JBig2_Malloc2(sizeof(int), NTEMP); + RANGELEN = (int*)m_pModule->JBig2_Malloc2(sizeof(int), NTEMP); + RANGELOW = (int*)m_pModule->JBig2_Malloc2(sizeof(int), NTEMP); + LENMAX = 0; + for (i = 0; i < NTEMP; i++) { + PREFLEN[i] = pTable[i].PREFLEN; + RANGELEN[i] = pTable[i].RANDELEN; + RANGELOW[i] = pTable[i].RANGELOW; + if (PREFLEN[i] > LENMAX) { + LENMAX = PREFLEN[i]; + } + } + LENCOUNT = (int*)m_pModule->JBig2_Malloc2(sizeof(int), (LENMAX + 1)); + JBIG2_memset(LENCOUNT, 0, sizeof(int) * (LENMAX + 1)); + FIRSTCODE = (int*)m_pModule->JBig2_Malloc2(sizeof(int), (LENMAX + 1)); + for (i = 0; i < NTEMP; i++) { + LENCOUNT[PREFLEN[i]]++; + } + CURLEN = 1; + FIRSTCODE[0] = 0; + LENCOUNT[0] = 0; + while (CURLEN <= LENMAX) { + FIRSTCODE[CURLEN] = (FIRSTCODE[CURLEN - 1] + LENCOUNT[CURLEN - 1]) << 1; + CURCODE = FIRSTCODE[CURLEN]; + CURTEMP = 0; + while (CURTEMP < NTEMP) { + if (PREFLEN[CURTEMP] == CURLEN) { + CODES[CURTEMP] = CURCODE; + CURCODE = CURCODE + 1; + } + CURTEMP = CURTEMP + 1; + } + CURLEN = CURLEN + 1; + } + m_pModule->JBig2_Free(LENCOUNT); + m_pModule->JBig2_Free(FIRSTCODE); + return 1; } -#define HT_CHECK_MEMORY_ADJUST \ - if(NTEMP >= nSize) \ - { \ - nSize += 16; \ - PREFLEN = (int*)m_pModule->JBig2_Realloc(PREFLEN,sizeof(int)*nSize); \ - RANGELEN = (int*)m_pModule->JBig2_Realloc(RANGELEN,sizeof(int)*nSize); \ - RANGELOW = (int*)m_pModule->JBig2_Realloc(RANGELOW,sizeof(int)*nSize); \ - } -int CJBig2_HuffmanTable::parseFromCodedBuffer(CJBig2_BitStream *pStream) -{ - unsigned char HTPS, HTRS; - FX_DWORD HTLOW, HTHIGH; - FX_DWORD CURRANGELOW; - FX_DWORD nSize = 16; - int CURLEN, LENMAX, CURCODE, CURTEMP; - int *LENCOUNT; - int *FIRSTCODE; - unsigned char cTemp; - if(pStream->read1Byte(&cTemp) == -1) { - goto failed; - } - HTOOB = cTemp & 0x01; - HTPS = ((cTemp >> 1) & 0x07) + 1; - HTRS = ((cTemp >> 4) & 0x07) + 1; - if(pStream->readInteger(&HTLOW) == -1 || - pStream->readInteger(&HTHIGH) == -1 || - HTLOW > HTHIGH) { - goto failed; - } - PREFLEN = (int*)m_pModule->JBig2_Malloc2(sizeof(int), nSize); - RANGELEN = (int*)m_pModule->JBig2_Malloc2(sizeof(int), nSize); - RANGELOW = (int*)m_pModule->JBig2_Malloc2(sizeof(int), nSize); - CURRANGELOW = HTLOW; - NTEMP = 0; - do { - HT_CHECK_MEMORY_ADJUST - if((pStream->readNBits(HTPS, &PREFLEN[NTEMP]) == -1) || - (pStream->readNBits(HTRS, &RANGELEN[NTEMP]) == -1)) { - goto failed; - } - RANGELOW[NTEMP] = CURRANGELOW; - CURRANGELOW = CURRANGELOW + (1 << RANGELEN[NTEMP]); - NTEMP = NTEMP + 1; - } while(CURRANGELOW < HTHIGH); +#define HT_CHECK_MEMORY_ADJUST \ + if (NTEMP >= nSize) { \ + nSize += 16; \ + PREFLEN = (int*)m_pModule->JBig2_Realloc(PREFLEN, sizeof(int) * nSize); \ + RANGELEN = (int*)m_pModule->JBig2_Realloc(RANGELEN, sizeof(int) * nSize); \ + RANGELOW = (int*)m_pModule->JBig2_Realloc(RANGELOW, sizeof(int) * nSize); \ + } +int CJBig2_HuffmanTable::parseFromCodedBuffer(CJBig2_BitStream* pStream) { + unsigned char HTPS, HTRS; + FX_DWORD HTLOW, HTHIGH; + FX_DWORD CURRANGELOW; + FX_DWORD nSize = 16; + int CURLEN, LENMAX, CURCODE, CURTEMP; + int* LENCOUNT; + int* FIRSTCODE; + unsigned char cTemp; + if (pStream->read1Byte(&cTemp) == -1) { + goto failed; + } + HTOOB = cTemp & 0x01; + HTPS = ((cTemp >> 1) & 0x07) + 1; + HTRS = ((cTemp >> 4) & 0x07) + 1; + if (pStream->readInteger(&HTLOW) == -1 || + pStream->readInteger(&HTHIGH) == -1 || HTLOW > HTHIGH) { + goto failed; + } + PREFLEN = (int*)m_pModule->JBig2_Malloc2(sizeof(int), nSize); + RANGELEN = (int*)m_pModule->JBig2_Malloc2(sizeof(int), nSize); + RANGELOW = (int*)m_pModule->JBig2_Malloc2(sizeof(int), nSize); + CURRANGELOW = HTLOW; + NTEMP = 0; + do { HT_CHECK_MEMORY_ADJUST - if(pStream->readNBits(HTPS, &PREFLEN[NTEMP]) == -1) { - goto failed; + if ((pStream->readNBits(HTPS, &PREFLEN[NTEMP]) == -1) || + (pStream->readNBits(HTRS, &RANGELEN[NTEMP]) == -1)) { + goto failed; } - RANGELEN[NTEMP] = 32; - RANGELOW[NTEMP] = HTLOW - 1; + RANGELOW[NTEMP] = CURRANGELOW; + CURRANGELOW = CURRANGELOW + (1 << RANGELEN[NTEMP]); NTEMP = NTEMP + 1; + } while (CURRANGELOW < HTHIGH); + HT_CHECK_MEMORY_ADJUST + if (pStream->readNBits(HTPS, &PREFLEN[NTEMP]) == -1) { + goto failed; + } + RANGELEN[NTEMP] = 32; + RANGELOW[NTEMP] = HTLOW - 1; + NTEMP = NTEMP + 1; + HT_CHECK_MEMORY_ADJUST + if (pStream->readNBits(HTPS, &PREFLEN[NTEMP]) == -1) { + goto failed; + } + RANGELEN[NTEMP] = 32; + RANGELOW[NTEMP] = HTHIGH; + NTEMP = NTEMP + 1; + if (HTOOB) { HT_CHECK_MEMORY_ADJUST - if(pStream->readNBits(HTPS, &PREFLEN[NTEMP]) == -1) { - goto failed; + if (pStream->readNBits(HTPS, &PREFLEN[NTEMP]) == -1) { + goto failed; } - RANGELEN[NTEMP] = 32; - RANGELOW[NTEMP] = HTHIGH; NTEMP = NTEMP + 1; - if(HTOOB) { - HT_CHECK_MEMORY_ADJUST - if(pStream->readNBits(HTPS, &PREFLEN[NTEMP]) == -1) { - goto failed; - } - NTEMP = NTEMP + 1; - } - CODES = (int*)m_pModule->JBig2_Malloc2(sizeof(int), NTEMP); - LENMAX = 0; - for(int i = 0; i < NTEMP; i++) { - if(PREFLEN[i] > LENMAX) { - LENMAX = PREFLEN[i]; - } - } - LENCOUNT = (int*)m_pModule->JBig2_Malloc2(sizeof(int), (LENMAX + 1)); - JBIG2_memset(LENCOUNT, 0, sizeof(int) * (LENMAX + 1)); - FIRSTCODE = (int*)m_pModule->JBig2_Malloc2(sizeof(int), (LENMAX + 1)); - for(int i = 0; i < NTEMP; i++) { - LENCOUNT[PREFLEN[i]] ++; - } - CURLEN = 1; - FIRSTCODE[0] = 0; - LENCOUNT[0] = 0; - while(CURLEN <= LENMAX) { - FIRSTCODE[CURLEN] = (FIRSTCODE[CURLEN - 1] + LENCOUNT[CURLEN - 1]) << 1; - CURCODE = FIRSTCODE[CURLEN]; - CURTEMP = 0; - while(CURTEMP < NTEMP) { - if(PREFLEN[CURTEMP] == CURLEN) { - CODES[CURTEMP] = CURCODE; - CURCODE = CURCODE + 1; - } - CURTEMP = CURTEMP + 1; - } - CURLEN = CURLEN + 1; - } - m_pModule->JBig2_Free(LENCOUNT); - m_pModule->JBig2_Free(FIRSTCODE); - return TRUE; + } + CODES = (int*)m_pModule->JBig2_Malloc2(sizeof(int), NTEMP); + LENMAX = 0; + for (int i = 0; i < NTEMP; i++) { + if (PREFLEN[i] > LENMAX) { + LENMAX = PREFLEN[i]; + } + } + LENCOUNT = (int*)m_pModule->JBig2_Malloc2(sizeof(int), (LENMAX + 1)); + JBIG2_memset(LENCOUNT, 0, sizeof(int) * (LENMAX + 1)); + FIRSTCODE = (int*)m_pModule->JBig2_Malloc2(sizeof(int), (LENMAX + 1)); + for (int i = 0; i < NTEMP; i++) { + LENCOUNT[PREFLEN[i]]++; + } + CURLEN = 1; + FIRSTCODE[0] = 0; + LENCOUNT[0] = 0; + while (CURLEN <= LENMAX) { + FIRSTCODE[CURLEN] = (FIRSTCODE[CURLEN - 1] + LENCOUNT[CURLEN - 1]) << 1; + CURCODE = FIRSTCODE[CURLEN]; + CURTEMP = 0; + while (CURTEMP < NTEMP) { + if (PREFLEN[CURTEMP] == CURLEN) { + CODES[CURTEMP] = CURCODE; + CURCODE = CURCODE + 1; + } + CURTEMP = CURTEMP + 1; + } + CURLEN = CURLEN + 1; + } + m_pModule->JBig2_Free(LENCOUNT); + m_pModule->JBig2_Free(FIRSTCODE); + return TRUE; failed: - return FALSE; + return FALSE; } diff --git a/core/src/fxcodec/jbig2/JBig2_HuffmanTable.h b/core/src/fxcodec/jbig2/JBig2_HuffmanTable.h index d68ced2fca..e6f1592fc4 100644 --- a/core/src/fxcodec/jbig2/JBig2_HuffmanTable.h +++ b/core/src/fxcodec/jbig2/JBig2_HuffmanTable.h @@ -1,7 +1,7 @@ // Copyright 2014 PDFium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. - + // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com #ifndef _JBIG2_HUFFMAN_TABLE_H_ @@ -9,34 +9,32 @@ #include "JBig2_Module.h" #include "JBig2_HuffmanTable_Standard.h" #include "JBig2_BitStream.h" -class CJBig2_HuffmanTable : public CJBig2_Object -{ -public: +class CJBig2_HuffmanTable : public CJBig2_Object { + public: + CJBig2_HuffmanTable(const JBig2TableLine* pTable, int nLines, FX_BOOL bHTOOB); - CJBig2_HuffmanTable(const JBig2TableLine *pTable, int nLines, FX_BOOL bHTOOB); + CJBig2_HuffmanTable(CJBig2_BitStream* pStream); - CJBig2_HuffmanTable(CJBig2_BitStream *pStream); + ~CJBig2_HuffmanTable(); - ~CJBig2_HuffmanTable(); + void init(); - void init(); + int parseFromStandardTable(const JBig2TableLine* pTable, + int nLines, + FX_BOOL bHTOOB); - int parseFromStandardTable(const JBig2TableLine *pTable, int nLines, FX_BOOL bHTOOB); + int parseFromCodedBuffer(CJBig2_BitStream* pStream); - int parseFromCodedBuffer(CJBig2_BitStream *pStream); + FX_BOOL isOK() { return m_bOK; } - FX_BOOL isOK() - { - return m_bOK; - } -private: - FX_BOOL HTOOB; - int NTEMP; - int *CODES; - int *PREFLEN; - int *RANGELEN; - int *RANGELOW; - FX_BOOL m_bOK; - friend class CJBig2_HuffmanDecoder; + private: + FX_BOOL HTOOB; + int NTEMP; + int* CODES; + int* PREFLEN; + int* RANGELEN; + int* RANGELOW; + FX_BOOL m_bOK; + friend class CJBig2_HuffmanDecoder; }; #endif diff --git a/core/src/fxcodec/jbig2/JBig2_HuffmanTable_Standard.h b/core/src/fxcodec/jbig2/JBig2_HuffmanTable_Standard.h index 428b2c3671..aa29258f07 100644 --- a/core/src/fxcodec/jbig2/JBig2_HuffmanTable_Standard.h +++ b/core/src/fxcodec/jbig2/JBig2_HuffmanTable_Standard.h @@ -1,251 +1,93 @@ // Copyright 2014 PDFium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. - + // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com #ifndef _JBIG2_HUFFMAN_TABLE_STANDARD_H_ #define _JBIG2_HUFFMAN_TABLE_STANDARD_H_ typedef struct { - int PREFLEN; - int RANDELEN; - int RANGELOW; + int PREFLEN; + int RANDELEN; + int RANGELOW; } JBig2TableLine; const FX_BOOL HuffmanTable_HTOOB_B1 = FALSE; -const JBig2TableLine HuffmanTable_B1[] = { - { 1, 4, 0 }, - { 2, 8, 16 }, - { 3, 16, 272 }, - { 0, 32, -1 }, - { 3, 32, 65808 } -}; +const JBig2TableLine HuffmanTable_B1[] = {{1, 4, 0}, + {2, 8, 16}, + {3, 16, 272}, + {0, 32, -1}, + {3, 32, 65808}}; const FX_BOOL HuffmanTable_HTOOB_B2 = TRUE; -const JBig2TableLine HuffmanTable_B2[] = { - { 1, 0, 0 }, - { 2, 0, 1 }, - { 3, 0, 2 }, - { 4, 3, 3 }, - { 5, 6, 11 }, - { 0, 32, -1 }, - { 6, 32, 75 }, - { 6, 0, 0 } -}; +const JBig2TableLine HuffmanTable_B2[] = {{1, 0, 0}, {2, 0, 1}, {3, 0, 2}, + {4, 3, 3}, {5, 6, 11}, {0, 32, -1}, + {6, 32, 75}, {6, 0, 0}}; const FX_BOOL HuffmanTable_HTOOB_B3 = TRUE; const JBig2TableLine HuffmanTable_B3[] = { - { 8, 8, -256 }, - { 1, 0, 0 }, - { 2, 0, 1 }, - { 3, 0, 2 }, - { 4, 3, 3 }, - { 5, 6, 11 }, - { 8, 32, -257 }, - { 7, 32, 75 }, - { 6, 0, 0 } -}; + {8, 8, -256}, {1, 0, 0}, {2, 0, 1}, {3, 0, 2}, {4, 3, 3}, + {5, 6, 11}, {8, 32, -257}, {7, 32, 75}, {6, 0, 0}}; const FX_BOOL HuffmanTable_HTOOB_B4 = FALSE; const JBig2TableLine HuffmanTable_B4[] = { - { 1, 0, 1 }, - { 2, 0, 2 }, - { 3, 0, 3 }, - { 4, 3, 4 }, - { 5, 6, 12 }, - { 0, 32, -1 }, - { 5, 32, 76 }, + {1, 0, 1}, {2, 0, 2}, {3, 0, 3}, {4, 3, 4}, + {5, 6, 12}, {0, 32, -1}, {5, 32, 76}, }; const FX_BOOL HuffmanTable_HTOOB_B5 = FALSE; -const JBig2TableLine HuffmanTable_B5[] = { - { 7, 8, -255 }, - { 1, 0, 1 }, - { 2, 0, 2 }, - { 3, 0, 3 }, - { 4, 3, 4 }, - { 5, 6, 12 }, - { 7, 32, -256 }, - { 6, 32, 76 } -}; +const JBig2TableLine HuffmanTable_B5[] = {{7, 8, -255}, {1, 0, 1}, {2, 0, 2}, + {3, 0, 3}, {4, 3, 4}, {5, 6, 12}, + {7, 32, -256}, {6, 32, 76}}; const FX_BOOL HuffmanTable_HTOOB_B6 = FALSE; const JBig2TableLine HuffmanTable_B6[] = { - { 5, 10, -2048 }, - { 4, 9, -1024 }, - { 4, 8, -512 }, - { 4, 7, -256 }, - { 5, 6, -128 }, - { 5, 5, -64 }, - { 4, 5, -32 }, - { 2, 7, 0 }, - { 3, 7, 128 }, - { 3, 8, 256 }, - { 4, 9, 512 }, - { 4, 10, 1024 }, - { 6, 32, -2049 }, - { 6, 32, 2048 } -}; + {5, 10, -2048}, {4, 9, -1024}, {4, 8, -512}, {4, 7, -256}, {5, 6, -128}, + {5, 5, -64}, {4, 5, -32}, {2, 7, 0}, {3, 7, 128}, {3, 8, 256}, + {4, 9, 512}, {4, 10, 1024}, {6, 32, -2049}, {6, 32, 2048}}; const FX_BOOL HuffmanTable_HTOOB_B7 = FALSE; const JBig2TableLine HuffmanTable_B7[] = { - { 4, 9, -1024 }, - { 3, 8, -512 }, - { 4, 7, -256 }, - { 5, 6, -128 }, - { 5, 5, -64 }, - { 4, 5, -32 }, - { 4, 5, 0 }, - { 5, 5, 32 }, - { 5, 6, 64 }, - { 4, 7, 128 }, - { 3, 8, 256 }, - { 3, 9, 512 }, - { 3, 10, 1024 }, - { 5, 32, -1025 }, - { 5, 32, 2048 }, + {4, 9, -1024}, {3, 8, -512}, {4, 7, -256}, {5, 6, -128}, {5, 5, -64}, + {4, 5, -32}, {4, 5, 0}, {5, 5, 32}, {5, 6, 64}, {4, 7, 128}, + {3, 8, 256}, {3, 9, 512}, {3, 10, 1024}, {5, 32, -1025}, {5, 32, 2048}, }; const FX_BOOL HuffmanTable_HTOOB_B8 = TRUE; const JBig2TableLine HuffmanTable_B8[] = { - { 8, 3, -15 }, - { 9, 1, -7 }, - { 8, 1, -5 }, - { 9, 0, -3 }, - { 7, 0, -2 }, - { 4, 0, -1 }, - { 2, 1, 0 }, - { 5, 0, 2 }, - { 6, 0, 3 }, - { 3, 4, 4 }, - { 6, 1, 20 }, - { 4, 4, 22 }, - { 4, 5, 38 }, - { 5, 6, 70 }, - { 5, 7, 134 }, - { 6, 7, 262 }, - { 7, 8, 390 }, - { 6, 10, 646 }, - { 9, 32, -16 }, - { 9, 32, 1670 }, - { 2, 0, 0 } -}; + {8, 3, -15}, {9, 1, -7}, {8, 1, -5}, {9, 0, -3}, {7, 0, -2}, + {4, 0, -1}, {2, 1, 0}, {5, 0, 2}, {6, 0, 3}, {3, 4, 4}, + {6, 1, 20}, {4, 4, 22}, {4, 5, 38}, {5, 6, 70}, {5, 7, 134}, + {6, 7, 262}, {7, 8, 390}, {6, 10, 646}, {9, 32, -16}, {9, 32, 1670}, + {2, 0, 0}}; const FX_BOOL HuffmanTable_HTOOB_B9 = TRUE; const JBig2TableLine HuffmanTable_B9[] = { - { 8, 4, -31 }, - { 9, 2, -15 }, - { 8, 2, -11 }, - { 9, 1, -7 }, - { 7, 1, -5 }, - { 4, 1, -3 }, - { 3, 1, -1 }, - { 3, 1, 1 }, - { 5, 1, 3 }, - { 6, 1, 5 }, - { 3, 5, 7 }, - { 6, 2, 39 }, - { 4, 5, 43 }, - { 4, 6, 75 }, - { 5, 7, 139 }, - { 5, 8, 267 }, - { 6, 8, 523 }, - { 7, 9, 779 }, - { 6, 11, 1291 }, - { 9, 32, -32 }, - { 9, 32, 3339 }, - { 2, 0, 0 } -}; + {8, 4, -31}, {9, 2, -15}, {8, 2, -11}, {9, 1, -7}, {7, 1, -5}, + {4, 1, -3}, {3, 1, -1}, {3, 1, 1}, {5, 1, 3}, {6, 1, 5}, + {3, 5, 7}, {6, 2, 39}, {4, 5, 43}, {4, 6, 75}, {5, 7, 139}, + {5, 8, 267}, {6, 8, 523}, {7, 9, 779}, {6, 11, 1291}, {9, 32, -32}, + {9, 32, 3339}, {2, 0, 0}}; const FX_BOOL HuffmanTable_HTOOB_B10 = TRUE; const JBig2TableLine HuffmanTable_B10[] = { - { 7, 4, -21 }, - { 8, 0, -5 }, - { 7, 0, -4 }, - { 5, 0, -3 }, - { 2, 2, -2 }, - { 5, 0, 2 }, - { 6, 0, 3 }, - { 7, 0, 4 }, - { 8, 0, 5 }, - { 2, 6, 6 }, - { 5, 5, 70 }, - { 6, 5, 102 }, - { 6, 6, 134 }, - { 6, 7, 198 }, - { 6, 8, 326 }, - { 6, 9, 582 }, - { 6, 10, 1094 }, - { 7, 11, 2118 }, - { 8, 32, -22 }, - { 8, 32, 4166 }, - { 2, 0, 0 } -}; + {7, 4, -21}, {8, 0, -5}, {7, 0, -4}, {5, 0, -3}, {2, 2, -2}, + {5, 0, 2}, {6, 0, 3}, {7, 0, 4}, {8, 0, 5}, {2, 6, 6}, + {5, 5, 70}, {6, 5, 102}, {6, 6, 134}, {6, 7, 198}, {6, 8, 326}, + {6, 9, 582}, {6, 10, 1094}, {7, 11, 2118}, {8, 32, -22}, {8, 32, 4166}, + {2, 0, 0}}; const FX_BOOL HuffmanTable_HTOOB_B11 = FALSE; const JBig2TableLine HuffmanTable_B11[] = { - { 1, 0, 1 }, - { 2, 1, 2 }, - { 4, 0, 4 }, - { 4, 1, 5 }, - { 5, 1, 7 }, - { 5, 2, 9 }, - { 6, 2, 13 }, - { 7, 2, 17 }, - { 7, 3, 21 }, - { 7, 4, 29 }, - { 7, 5, 45 }, - { 7, 6, 77 }, - { 0, 32, 0 }, - { 7, 32, 141 } -}; + {1, 0, 1}, {2, 1, 2}, {4, 0, 4}, {4, 1, 5}, {5, 1, 7}, + {5, 2, 9}, {6, 2, 13}, {7, 2, 17}, {7, 3, 21}, {7, 4, 29}, + {7, 5, 45}, {7, 6, 77}, {0, 32, 0}, {7, 32, 141}}; const FX_BOOL HuffmanTable_HTOOB_B12 = FALSE; const JBig2TableLine HuffmanTable_B12[] = { - { 1, 0, 1 }, - { 2, 0, 2 }, - { 3, 1, 3 }, - { 5, 0, 5 }, - { 5, 1, 6 }, - { 6, 1, 8 }, - { 7, 0, 10 }, - { 7, 1, 11 }, - { 7, 2, 13 }, - { 7, 3, 17 }, - { 7, 4, 25 }, - { 8, 5, 41 }, - { 0, 32, 0 }, - { 8, 32, 73 } -}; + {1, 0, 1}, {2, 0, 2}, {3, 1, 3}, {5, 0, 5}, {5, 1, 6}, + {6, 1, 8}, {7, 0, 10}, {7, 1, 11}, {7, 2, 13}, {7, 3, 17}, + {7, 4, 25}, {8, 5, 41}, {0, 32, 0}, {8, 32, 73}}; const FX_BOOL HuffmanTable_HTOOB_B13 = FALSE; const JBig2TableLine HuffmanTable_B13[] = { - { 1, 0, 1 }, - { 3, 0, 2 }, - { 4, 0, 3 }, - { 5, 0, 4 }, - { 4, 1, 5 }, - { 3, 3, 7 }, - { 6, 1, 15 }, - { 6, 2, 17 }, - { 6, 3, 21 }, - { 6, 4, 29 }, - { 6, 5, 45 }, - { 7, 6, 77 }, - { 0, 32, 0 }, - { 7, 32, 141 } -}; + {1, 0, 1}, {3, 0, 2}, {4, 0, 3}, {5, 0, 4}, {4, 1, 5}, + {3, 3, 7}, {6, 1, 15}, {6, 2, 17}, {6, 3, 21}, {6, 4, 29}, + {6, 5, 45}, {7, 6, 77}, {0, 32, 0}, {7, 32, 141}}; const FX_BOOL HuffmanTable_HTOOB_B14 = FALSE; -const JBig2TableLine HuffmanTable_B14[] = { - { 3, 0, -2 }, - { 3, 0, -1 }, - { 1, 0, 0 }, - { 3, 0, 1 }, - { 3, 0, 2 }, - { 0, 32, -3 }, - { 0, 32, 3 } -}; +const JBig2TableLine HuffmanTable_B14[] = {{3, 0, -2}, {3, 0, -1}, {1, 0, 0}, + {3, 0, 1}, {3, 0, 2}, {0, 32, -3}, + {0, 32, 3}}; const FX_BOOL HuffmanTable_HTOOB_B15 = FALSE; const JBig2TableLine HuffmanTable_B15[] = { - { 7, 4, -24 }, - { 6, 2, -8 }, - { 5, 1, -4 }, - { 4, 0, -2 }, - { 3, 0, -1 }, - { 1, 0, 0 }, - { 3, 0, 1 }, - { 4, 0, 2 }, - { 5, 1, 3 }, - { 6, 2, 5 }, - { 7, 4, 9 }, - { 7, 32, -25 }, - { 7, 32, 25 } -}; + {7, 4, -24}, {6, 2, -8}, {5, 1, -4}, {4, 0, -2}, {3, 0, -1}, + {1, 0, 0}, {3, 0, 1}, {4, 0, 2}, {5, 1, 3}, {6, 2, 5}, + {7, 4, 9}, {7, 32, -25}, {7, 32, 25}}; #endif diff --git a/core/src/fxcodec/jbig2/JBig2_Image.cpp b/core/src/fxcodec/jbig2/JBig2_Image.cpp index 9ef4464ef0..772e4e5f62 100644 --- a/core/src/fxcodec/jbig2/JBig2_Image.cpp +++ b/core/src/fxcodec/jbig2/JBig2_Image.cpp @@ -1,7 +1,7 @@ // Copyright 2014 PDFium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. - + // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com #include <limits.h> @@ -10,1621 +10,1646 @@ #include "../../../include/fxcrt/fx_safe_types.h" #include "JBig2_Image.h" -CJBig2_Image::CJBig2_Image(int32_t w, int32_t h) -{ - m_nWidth = w; - m_nHeight = h; - if (m_nWidth <= 0 || m_nHeight <= 0 || m_nWidth > INT_MAX - 31) { - m_pData = NULL; - m_bNeedFree = FALSE; - return; - } - m_nStride = ((w + 31) >> 5) << 2; - if (m_nStride * m_nHeight > 0 && 104857600 / (int)m_nStride > m_nHeight) { - m_pData = (uint8_t *)m_pModule->JBig2_Malloc2(m_nStride, m_nHeight); - } else { - m_pData = NULL; - } - m_bNeedFree = TRUE; -} -CJBig2_Image::CJBig2_Image(int32_t w, int32_t h, int32_t stride, uint8_t*pBuf) -{ - m_nWidth = w; - m_nHeight = h; - m_nStride = stride; - m_pData = pBuf; +CJBig2_Image::CJBig2_Image(int32_t w, int32_t h) { + m_nWidth = w; + m_nHeight = h; + if (m_nWidth <= 0 || m_nHeight <= 0 || m_nWidth > INT_MAX - 31) { + m_pData = NULL; m_bNeedFree = FALSE; + return; + } + m_nStride = ((w + 31) >> 5) << 2; + if (m_nStride * m_nHeight > 0 && 104857600 / (int)m_nStride > m_nHeight) { + m_pData = (uint8_t*)m_pModule->JBig2_Malloc2(m_nStride, m_nHeight); + } else { + m_pData = NULL; + } + m_bNeedFree = TRUE; } -CJBig2_Image::CJBig2_Image(CJBig2_Image &im) -{ - m_pModule = im.m_pModule; - m_nWidth = im.m_nWidth; - m_nHeight = im.m_nHeight; - m_nStride = im.m_nStride; - if (im.m_pData) { - m_pData = (uint8_t*)m_pModule->JBig2_Malloc2(m_nStride, m_nHeight); - JBIG2_memcpy(m_pData, im.m_pData, m_nStride * m_nHeight); - } else { - m_pData = NULL; - } - m_bNeedFree = TRUE; +CJBig2_Image::CJBig2_Image(int32_t w, + int32_t h, + int32_t stride, + uint8_t* pBuf) { + m_nWidth = w; + m_nHeight = h; + m_nStride = stride; + m_pData = pBuf; + m_bNeedFree = FALSE; } -CJBig2_Image::~CJBig2_Image() -{ - if(m_bNeedFree && m_pData) { - m_pModule->JBig2_Free(m_pData); - } +CJBig2_Image::CJBig2_Image(CJBig2_Image& im) { + m_pModule = im.m_pModule; + m_nWidth = im.m_nWidth; + m_nHeight = im.m_nHeight; + m_nStride = im.m_nStride; + if (im.m_pData) { + m_pData = (uint8_t*)m_pModule->JBig2_Malloc2(m_nStride, m_nHeight); + JBIG2_memcpy(m_pData, im.m_pData, m_nStride * m_nHeight); + } else { + m_pData = NULL; + } + m_bNeedFree = TRUE; } -FX_BOOL CJBig2_Image::getPixel(int32_t x, int32_t y) -{ - if (!m_pData) { - return 0; - } - int32_t m, n; - if(x < 0 || x >= m_nWidth) { - return 0; - } - if(y < 0 || y >= m_nHeight) { - return 0; - } - m = y * m_nStride + (x >> 3); - n = x & 7; - return ((m_pData[m] >> (7 - n)) & 1); +CJBig2_Image::~CJBig2_Image() { + if (m_bNeedFree && m_pData) { + m_pModule->JBig2_Free(m_pData); + } +} +FX_BOOL CJBig2_Image::getPixel(int32_t x, int32_t y) { + if (!m_pData) { + return 0; + } + int32_t m, n; + if (x < 0 || x >= m_nWidth) { + return 0; + } + if (y < 0 || y >= m_nHeight) { + return 0; + } + m = y * m_nStride + (x >> 3); + n = x & 7; + return ((m_pData[m] >> (7 - n)) & 1); } -int32_t CJBig2_Image::setPixel(int32_t x, int32_t y, FX_BOOL v) -{ - if (!m_pData) { - return 0; - } - int32_t m, n; - if(x < 0 || x >= m_nWidth) { - return 0; - } - if(y < 0 || y >= m_nHeight) { - return 0; - } - m = y * m_nStride + (x >> 3); - n = x & 7; - if(v) { - m_pData[m] |= 1 << (7 - n); - } else { - m_pData[m] &= ~(1 << (7 - n)); - } - return 1; +int32_t CJBig2_Image::setPixel(int32_t x, int32_t y, FX_BOOL v) { + if (!m_pData) { + return 0; + } + int32_t m, n; + if (x < 0 || x >= m_nWidth) { + return 0; + } + if (y < 0 || y >= m_nHeight) { + return 0; + } + m = y * m_nStride + (x >> 3); + n = x & 7; + if (v) { + m_pData[m] |= 1 << (7 - n); + } else { + m_pData[m] &= ~(1 << (7 - n)); + } + return 1; } -void CJBig2_Image::copyLine(int32_t hTo, int32_t hFrom) -{ - if (!m_pData) { - return; - } - if(hFrom < 0 || hFrom >= m_nHeight) { - JBIG2_memset(m_pData + hTo * m_nStride, 0, m_nStride); - } else { - JBIG2_memcpy(m_pData + hTo * m_nStride, m_pData + hFrom * m_nStride, m_nStride); - } +void CJBig2_Image::copyLine(int32_t hTo, int32_t hFrom) { + if (!m_pData) { + return; + } + if (hFrom < 0 || hFrom >= m_nHeight) { + JBIG2_memset(m_pData + hTo * m_nStride, 0, m_nStride); + } else { + JBIG2_memcpy(m_pData + hTo * m_nStride, m_pData + hFrom * m_nStride, + m_nStride); + } } -void CJBig2_Image::fill(FX_BOOL v) -{ - if (!m_pData) { - return; - } - JBIG2_memset(m_pData, v ? 0xff : 0, m_nStride * m_nHeight); +void CJBig2_Image::fill(FX_BOOL v) { + if (!m_pData) { + return; + } + JBIG2_memset(m_pData, v ? 0xff : 0, m_nStride * m_nHeight); } -FX_BOOL CJBig2_Image::composeTo(CJBig2_Image *pDst, int32_t x, int32_t y, JBig2ComposeOp op) -{ - if (!m_pData) { - return FALSE; - } +FX_BOOL CJBig2_Image::composeTo(CJBig2_Image* pDst, + int32_t x, + int32_t y, + JBig2ComposeOp op) { + if (!m_pData) { + return FALSE; + } + return composeTo_opt2(pDst, x, y, op); +} +FX_BOOL CJBig2_Image::composeTo(CJBig2_Image* pDst, + int32_t x, + int32_t y, + JBig2ComposeOp op, + const FX_RECT* pSrcRect) { + if (!m_pData) { + return FALSE; + } + if (NULL == pSrcRect || *pSrcRect == FX_RECT(0, 0, m_nWidth, m_nHeight)) { return composeTo_opt2(pDst, x, y, op); + } + return composeTo_opt2(pDst, x, y, op, pSrcRect); } -FX_BOOL CJBig2_Image::composeTo(CJBig2_Image *pDst, int32_t x, int32_t y, JBig2ComposeOp op, const FX_RECT* pSrcRect) -{ - if (!m_pData) { - return FALSE; - } - if (NULL == pSrcRect || *pSrcRect == FX_RECT(0, 0, m_nWidth, m_nHeight)) { - return composeTo_opt2(pDst, x, y, op); - } - return composeTo_opt2(pDst, x, y, op, pSrcRect); +FX_BOOL CJBig2_Image::composeTo_unopt(CJBig2_Image* pDst, + int32_t x, + int32_t y, + JBig2ComposeOp op) { + int32_t w, h, dx, dy; + int32_t i, j; + w = m_nWidth; + h = m_nHeight; + dx = dy = 0; + if (x < 0) { + dx += -x; + w -= -x; + x = 0; + } + if (y < 0) { + dy += -y; + h -= -y; + y = 0; + } + if (x + w > pDst->m_nWidth) { + w = pDst->m_nWidth - x; + } + if (y + h > pDst->m_nHeight) { + h = pDst->m_nHeight - y; + } + switch (op) { + case JBIG2_COMPOSE_OR: + for (j = 0; j < h; j++) { + for (i = 0; i < w; i++) { + pDst->setPixel( + x + i, y + j, + (getPixel(i + dx, j + dy) | pDst->getPixel(x + i, y + j)) & 1); + } + } + break; + case JBIG2_COMPOSE_AND: + for (j = 0; j < h; j++) { + for (i = 0; i < w; i++) { + pDst->setPixel( + x + i, y + j, + (getPixel(i + dx, j + dy) & pDst->getPixel(x + i, y + j)) & 1); + } + } + break; + case JBIG2_COMPOSE_XOR: + for (j = 0; j < h; j++) { + for (i = 0; i < w; i++) { + pDst->setPixel( + x + i, y + j, + (getPixel(i + dx, j + dy) ^ pDst->getPixel(x + i, y + j)) & 1); + } + } + break; + case JBIG2_COMPOSE_XNOR: + for (j = 0; j < h; j++) { + for (i = 0; i < w; i++) { + pDst->setPixel( + x + i, y + j, + (~(getPixel(i + dx, j + dy) ^ pDst->getPixel(x + i, y + j))) & 1); + } + } + break; + case JBIG2_COMPOSE_REPLACE: + for (j = 0; j < h; j++) { + for (i = 0; i < w; i++) { + pDst->setPixel(x + i, y + j, getPixel(i + dx, j + dy)); + } + } + break; + } + return TRUE; } -FX_BOOL CJBig2_Image::composeTo_unopt(CJBig2_Image *pDst, int32_t x, int32_t y, JBig2ComposeOp op) -{ - int32_t w, h, dx, dy; - int32_t i, j; - w = m_nWidth; - h = m_nHeight; - dx = dy = 0; - if(x < 0) { - dx += -x; - w -= -x; - x = 0; - } - if(y < 0) { - dy += -y; - h -= -y; - y = 0; - } - if(x + w > pDst->m_nWidth) { - w = pDst->m_nWidth - x; - } - if(y + h > pDst->m_nHeight) { - h = pDst->m_nHeight - y; + +FX_BOOL CJBig2_Image::composeTo_opt(CJBig2_Image* pDst, + int32_t x, + int32_t y, + JBig2ComposeOp op) { + int32_t x0, x1, y0, y1, xx, yy; + uint8_t *pLineSrc, *pLineDst, *srcPtr, *destPtr; + FX_DWORD src0, src1, src, dest, s1, s2, m1, m2, m3; + FX_BOOL oneByte; + if (!m_pData) { + return FALSE; + } + if (y < 0) { + y0 = -y; + } else { + y0 = 0; + } + if (y + m_nHeight > pDst->m_nHeight) { + y1 = pDst->m_nHeight - y; + } else { + y1 = m_nHeight; + } + if (y0 >= y1) { + return FALSE; + } + if (x >= 0) { + x0 = x & ~7; + } else { + x0 = 0; + } + x1 = x + m_nWidth; + if (x1 > pDst->m_nWidth) { + x1 = pDst->m_nWidth; + } + if (x0 >= x1) { + return FALSE; + } + s1 = x & 7; + s2 = 8 - s1; + m1 = 0xff >> (x1 & 7); + m2 = 0xff << (((x1 & 7) == 0) ? 0 : 8 - (x1 & 7)); + m3 = (0xff >> s1) & m2; + oneByte = x0 == ((x1 - 1) & ~7); + pLineDst = pDst->m_pData + y * pDst->m_nStride; + pLineSrc = m_pData + y0 * m_nStride; + if (oneByte) { + if (x >= 0) { + switch (op) { + case JBIG2_COMPOSE_OR: { + for (yy = y0; yy < y1; ++yy) { + destPtr = pLineDst + (x >> 3); + srcPtr = pLineSrc; + dest = *destPtr; + dest |= (*srcPtr >> s1) & m2; + *destPtr = (uint8_t)dest; + pLineDst += pDst->m_nStride; + pLineSrc += m_nStride; + } + } break; + case JBIG2_COMPOSE_AND: { + for (yy = y0; yy < y1; ++yy) { + destPtr = pLineDst + (x >> 3); + srcPtr = pLineSrc; + dest = *destPtr; + dest &= ((0xff00 | *srcPtr) >> s1) | m1; + *destPtr = (uint8_t)dest; + pLineDst += pDst->m_nStride; + pLineSrc += m_nStride; + } + } break; + case JBIG2_COMPOSE_XOR: { + for (yy = y0; yy < y1; ++yy) { + destPtr = pLineDst + (x >> 3); + srcPtr = pLineSrc; + dest = *destPtr; + dest ^= (*srcPtr >> s1) & m2; + *destPtr = (uint8_t)dest; + pLineDst += pDst->m_nStride; + pLineSrc += m_nStride; + } + } break; + case JBIG2_COMPOSE_XNOR: { + for (yy = y0; yy < y1; ++yy) { + destPtr = pLineDst + (x >> 3); + srcPtr = pLineSrc; + dest = *destPtr; + dest ^= ((*srcPtr ^ 0xff) >> s1) & m2; + *destPtr = (uint8_t)dest; + pLineDst += pDst->m_nStride; + pLineSrc += m_nStride; + } + } break; + case JBIG2_COMPOSE_REPLACE: { + for (yy = y0; yy < y1; ++yy) { + destPtr = pLineDst + (x >> 3); + srcPtr = pLineSrc; + dest = *destPtr; + dest = (dest & ~m3) | ((*srcPtr >> s1) & m3); + *destPtr = (uint8_t)dest; + pLineDst += pDst->m_nStride; + pLineSrc += m_nStride; + } + } break; + } + } else { + switch (op) { + case JBIG2_COMPOSE_OR: { + for (yy = y0; yy < y1; ++yy) { + destPtr = pLineDst; + srcPtr = pLineSrc + (-x >> 3); + dest = *destPtr; + dest |= *srcPtr & m2; + *destPtr = (uint8_t)dest; + pLineDst += pDst->m_nStride; + pLineSrc += m_nStride; + } + } break; + case JBIG2_COMPOSE_AND: { + for (yy = y0; yy < y1; ++yy) { + destPtr = pLineDst; + srcPtr = pLineSrc + (-x >> 3); + dest = *destPtr; + dest &= *srcPtr | m1; + *destPtr = (uint8_t)dest; + pLineDst += pDst->m_nStride; + pLineSrc += m_nStride; + } + } break; + case JBIG2_COMPOSE_XOR: { + for (yy = y0; yy < y1; ++yy) { + destPtr = pLineDst; + srcPtr = pLineSrc + (-x >> 3); + dest = *destPtr; + dest ^= *srcPtr & m2; + *destPtr = (uint8_t)dest; + pLineDst += pDst->m_nStride; + pLineSrc += m_nStride; + } + } break; + case JBIG2_COMPOSE_XNOR: { + for (yy = y0; yy < y1; ++yy) { + destPtr = pLineDst; + srcPtr = pLineSrc + (-x >> 3); + dest = *destPtr; + dest ^= (*srcPtr ^ 0xff) & m2; + *destPtr = (uint8_t)dest; + pLineDst += pDst->m_nStride; + pLineSrc += m_nStride; + } + } break; + case JBIG2_COMPOSE_REPLACE: { + for (yy = y0; yy < y1; ++yy) { + destPtr = pLineDst; + srcPtr = pLineSrc + (-x >> 3); + dest = *destPtr; + dest = (*srcPtr & m2) | (dest & m1); + *destPtr = (uint8_t)dest; + pLineDst += pDst->m_nStride; + pLineSrc += m_nStride; + } + } break; + } } - switch(op) { - case JBIG2_COMPOSE_OR: - for(j = 0; j < h; j++) { - for(i = 0; i < w; i++) { - pDst->setPixel(x + i, y + j, - (getPixel(i + dx, j + dy) | pDst->getPixel(x + i, y + j)) & 1); - } + } else { + if (x >= 0) { + switch (op) { + case JBIG2_COMPOSE_OR: { + for (yy = y0; yy < y1; ++yy) { + destPtr = pLineDst + (x >> 3); + srcPtr = pLineSrc; + src1 = *srcPtr++; + dest = *destPtr; + dest |= src1 >> s1; + *destPtr++ = (uint8_t)dest; + xx = x0 + 8; + for (; xx < x1 - 8; xx += 8) { + dest = *destPtr; + src0 = src1; + src1 = *srcPtr++; + src = (((src0 << 8) | src1) >> s1) & 0xff; + dest |= src; + *destPtr++ = (uint8_t)dest; } - break; - case JBIG2_COMPOSE_AND: - for(j = 0; j < h; j++) { - for(i = 0; i < w; i++) { - pDst->setPixel(x + i, y + j, - (getPixel(i + dx, j + dy) & pDst->getPixel(x + i, y + j)) & 1); - } + dest = *destPtr; + src0 = src1; + if (srcPtr - pLineSrc < m_nStride) { + src1 = *srcPtr++; + } else { + src1 = 0; } - break; - case JBIG2_COMPOSE_XOR: - for(j = 0; j < h; j++) { - for(i = 0; i < w; i++) { - pDst->setPixel(x + i, y + j, - (getPixel(i + dx, j + dy) ^ pDst->getPixel(x + i, y + j)) & 1); - } + src = (((src0 << 8) | src1) >> s1) & 0xff; + dest |= src & m2; + *destPtr = (uint8_t)dest; + pLineDst += pDst->m_nStride; + pLineSrc += m_nStride; + } + } break; + case JBIG2_COMPOSE_AND: { + for (yy = y0; yy < y1; ++yy) { + destPtr = pLineDst + (x >> 3); + srcPtr = pLineSrc; + src1 = *srcPtr++; + dest = *destPtr; + dest &= (0xff00 | src1) >> s1; + *destPtr++ = (uint8_t)dest; + xx = x0 + 8; + for (; xx < x1 - 8; xx += 8) { + dest = *destPtr; + src0 = src1; + src1 = *srcPtr++; + src = (((src0 << 8) | src1) >> s1) & 0xff; + dest &= src; + *destPtr++ = (uint8_t)dest; } - break; - case JBIG2_COMPOSE_XNOR: - for(j = 0; j < h; j++) { - for(i = 0; i < w; i++) { - pDst->setPixel(x + i, y + j, - (~(getPixel(i + dx, j + dy) ^ pDst->getPixel(x + i, y + j))) & 1); - } + dest = *destPtr; + src0 = src1; + if (srcPtr - pLineSrc < m_nStride) { + src1 = *srcPtr++; + } else { + src1 = 0; } - break; - case JBIG2_COMPOSE_REPLACE: - for(j = 0; j < h; j++) { - for(i = 0; i < w; i++) { - pDst->setPixel(x + i, y + j, getPixel(i + dx, j + dy)); - } + src = (((src0 << 8) | src1) >> s1) & 0xff; + dest &= src | m1; + *destPtr = (uint8_t)dest; + pLineDst += pDst->m_nStride; + pLineSrc += m_nStride; + } + } break; + case JBIG2_COMPOSE_XOR: { + for (yy = y0; yy < y1; ++yy) { + destPtr = pLineDst + (x >> 3); + srcPtr = pLineSrc; + src1 = *srcPtr++; + dest = *destPtr; + dest ^= src1 >> s1; + *destPtr++ = (uint8_t)dest; + xx = x0 + 8; + for (; xx < x1 - 8; xx += 8) { + dest = *destPtr; + src0 = src1; + src1 = *srcPtr++; + src = (((src0 << 8) | src1) >> s1) & 0xff; + dest ^= src; + *destPtr++ = (uint8_t)dest; } - break; - } - return TRUE; -} - -FX_BOOL CJBig2_Image::composeTo_opt(CJBig2_Image *pDst, int32_t x, int32_t y, JBig2ComposeOp op) -{ - int32_t x0, x1, y0, y1, xx, yy; - uint8_t *pLineSrc, *pLineDst, *srcPtr, *destPtr; - FX_DWORD src0, src1, src, dest, s1, s2, m1, m2, m3; - FX_BOOL oneByte; - if (!m_pData) { - return FALSE; - } - if (y < 0) { - y0 = -y; - } else { - y0 = 0; - } - if (y + m_nHeight > pDst->m_nHeight) { - y1 = pDst->m_nHeight - y; - } else { - y1 = m_nHeight; - } - if (y0 >= y1) { - return FALSE; - } - if (x >= 0) { - x0 = x & ~7; - } else { - x0 = 0; - } - x1 = x + m_nWidth; - if (x1 > pDst->m_nWidth) { - x1 = pDst->m_nWidth; - } - if (x0 >= x1) { - return FALSE; - } - s1 = x & 7; - s2 = 8 - s1; - m1 = 0xff >> (x1 & 7); - m2 = 0xff << (((x1 & 7) == 0) ? 0 : 8 - (x1 & 7)); - m3 = (0xff >> s1) & m2; - oneByte = x0 == ((x1 - 1) & ~7); - pLineDst = pDst->m_pData + y * pDst->m_nStride; - pLineSrc = m_pData + y0 * m_nStride; - if(oneByte) { - if(x >= 0) { - switch(op) { - case JBIG2_COMPOSE_OR: { - for (yy = y0; yy < y1; ++yy) { - destPtr = pLineDst + (x >> 3); - srcPtr = pLineSrc; - dest = *destPtr; - dest |= (*srcPtr >> s1) & m2; - *destPtr = (uint8_t)dest; - pLineDst += pDst->m_nStride; - pLineSrc += m_nStride; - } - } - break; - case JBIG2_COMPOSE_AND: { - for (yy = y0; yy < y1; ++yy) { - destPtr = pLineDst + (x >> 3); - srcPtr = pLineSrc; - dest = *destPtr; - dest &= ((0xff00 | *srcPtr) >> s1) | m1; - *destPtr = (uint8_t)dest; - pLineDst += pDst->m_nStride; - pLineSrc += m_nStride; - } - } - break; - case JBIG2_COMPOSE_XOR: { - for (yy = y0; yy < y1; ++yy) { - destPtr = pLineDst + (x >> 3); - srcPtr = pLineSrc; - dest = *destPtr; - dest ^= (*srcPtr >> s1) & m2; - *destPtr = (uint8_t)dest; - pLineDst += pDst->m_nStride; - pLineSrc += m_nStride; - } - } - break; - case JBIG2_COMPOSE_XNOR: { - for (yy = y0; yy < y1; ++yy) { - destPtr = pLineDst + (x >> 3); - srcPtr = pLineSrc; - dest = *destPtr; - dest ^= ((*srcPtr ^ 0xff) >> s1) & m2; - *destPtr = (uint8_t)dest; - pLineDst += pDst->m_nStride; - pLineSrc += m_nStride; - } - } - break; - case JBIG2_COMPOSE_REPLACE: { - for (yy = y0; yy < y1; ++yy) { - destPtr = pLineDst + (x >> 3); - srcPtr = pLineSrc; - dest = *destPtr; - dest = (dest & ~m3) | ((*srcPtr >> s1) & m3); - *destPtr = (uint8_t)dest; - pLineDst += pDst->m_nStride; - pLineSrc += m_nStride; - } - } - break; + dest = *destPtr; + src0 = src1; + if (srcPtr - pLineSrc < m_nStride) { + src1 = *srcPtr++; + } else { + src1 = 0; } - } else { - switch(op) { - case JBIG2_COMPOSE_OR: { - for(yy = y0; yy < y1; ++yy) { - destPtr = pLineDst; - srcPtr = pLineSrc + (-x >> 3); - dest = *destPtr; - dest |= *srcPtr & m2; - *destPtr = (uint8_t)dest; - pLineDst += pDst->m_nStride; - pLineSrc += m_nStride; - } - } - break; - case JBIG2_COMPOSE_AND: { - for(yy = y0; yy < y1; ++yy) { - destPtr = pLineDst; - srcPtr = pLineSrc + (-x >> 3); - dest = *destPtr; - dest &= *srcPtr | m1; - *destPtr = (uint8_t)dest; - pLineDst += pDst->m_nStride; - pLineSrc += m_nStride; - } - } - break; - case JBIG2_COMPOSE_XOR: { - for(yy = y0; yy < y1; ++yy) { - destPtr = pLineDst; - srcPtr = pLineSrc + (-x >> 3); - dest = *destPtr; - dest ^= *srcPtr & m2; - *destPtr = (uint8_t)dest; - pLineDst += pDst->m_nStride; - pLineSrc += m_nStride; - } - } - break; - case JBIG2_COMPOSE_XNOR: { - for(yy = y0; yy < y1; ++yy) { - destPtr = pLineDst; - srcPtr = pLineSrc + (-x >> 3); - dest = *destPtr; - dest ^= (*srcPtr ^ 0xff) & m2; - *destPtr = (uint8_t)dest; - pLineDst += pDst->m_nStride; - pLineSrc += m_nStride; - } - } - break; - case JBIG2_COMPOSE_REPLACE: { - for(yy = y0; yy < y1; ++yy) { - destPtr = pLineDst; - srcPtr = pLineSrc + (-x >> 3); - dest = *destPtr; - dest = (*srcPtr & m2) | (dest & m1); - *destPtr = (uint8_t)dest; - pLineDst += pDst->m_nStride; - pLineSrc += m_nStride; - } - } - break; + src = (((src0 << 8) | src1) >> s1) & 0xff; + dest ^= src & m2; + *destPtr = (uint8_t)dest; + pLineDst += pDst->m_nStride; + pLineSrc += m_nStride; + } + } break; + case JBIG2_COMPOSE_XNOR: { + for (yy = y0; yy < y1; ++yy) { + destPtr = pLineDst + (x >> 3); + srcPtr = pLineSrc; + src1 = *srcPtr++; + dest = *destPtr; + dest ^= (src1 ^ 0xff) >> s1; + *destPtr++ = (uint8_t)dest; + xx = x0 + 8; + for (; xx < x1 - 8; xx += 8) { + dest = *destPtr; + src0 = src1; + src1 = *srcPtr++; + src = (((src0 << 8) | src1) >> s1) & 0xff; + dest ^= src ^ 0xff; + *destPtr++ = (uint8_t)dest; } - } + dest = *destPtr; + src0 = src1; + if (srcPtr - pLineSrc < m_nStride) { + src1 = *srcPtr++; + } else { + src1 = 0; + } + src = (((src0 << 8) | src1) >> s1) & 0xff; + dest ^= (src ^ 0xff) & m2; + *destPtr = (uint8_t)dest; + pLineDst += pDst->m_nStride; + pLineSrc += m_nStride; + } + } break; + case JBIG2_COMPOSE_REPLACE: { + for (yy = y0; yy < y1; ++yy) { + destPtr = pLineDst + (x >> 3); + srcPtr = pLineSrc; + src1 = *srcPtr++; + dest = *destPtr; + dest = (dest & (0xff << s2)) | (src1 >> s1); + *destPtr++ = (uint8_t)dest; + xx = x0 + 8; + for (; xx < x1 - 8; xx += 8) { + dest = *destPtr; + src0 = src1; + src1 = *srcPtr++; + src = (((src0 << 8) | src1) >> s1) & 0xff; + dest = src; + *destPtr++ = (uint8_t)dest; + } + dest = *destPtr; + src0 = src1; + if (srcPtr - pLineSrc < m_nStride) { + src1 = *srcPtr++; + } else { + src1 = 0; + } + src = (((src0 << 8) | src1) >> s1) & 0xff; + dest = (src & m2) | (dest & m1); + *destPtr = (uint8_t)dest; + pLineDst += pDst->m_nStride; + pLineSrc += m_nStride; + } + } break; + } } else { - if(x >= 0) { - switch(op) { - case JBIG2_COMPOSE_OR: { - for(yy = y0; yy < y1; ++yy) { - destPtr = pLineDst + (x >> 3); - srcPtr = pLineSrc; - src1 = *srcPtr++; - dest = *destPtr; - dest |= src1 >> s1; - *destPtr++ = (uint8_t)dest; - xx = x0 + 8; - for (; xx < x1 - 8; xx += 8) { - dest = *destPtr; - src0 = src1; - src1 = *srcPtr++; - src = (((src0 << 8) | src1) >> s1) & 0xff; - dest |= src; - *destPtr++ = (uint8_t)dest; - } - dest = *destPtr; - src0 = src1; - if(srcPtr - pLineSrc < m_nStride) { - src1 = *srcPtr++; - } else { - src1 = 0; - } - src = (((src0 << 8) | src1) >> s1) & 0xff; - dest |= src & m2; - *destPtr = (uint8_t)dest; - pLineDst += pDst->m_nStride; - pLineSrc += m_nStride; - } - } - break; - case JBIG2_COMPOSE_AND: { - for(yy = y0; yy < y1; ++yy) { - destPtr = pLineDst + (x >> 3); - srcPtr = pLineSrc; - src1 = *srcPtr++; - dest = *destPtr; - dest &= (0xff00 | src1) >> s1; - *destPtr++ = (uint8_t)dest; - xx = x0 + 8; - for (; xx < x1 - 8; xx += 8) { - dest = *destPtr; - src0 = src1; - src1 = *srcPtr++; - src = (((src0 << 8) | src1) >> s1) & 0xff; - dest &= src; - *destPtr++ = (uint8_t)dest; - } - dest = *destPtr; - src0 = src1; - if(srcPtr - pLineSrc < m_nStride) { - src1 = *srcPtr++; - } else { - src1 = 0; - } - src = (((src0 << 8) | src1) >> s1) & 0xff; - dest &= src | m1; - *destPtr = (uint8_t)dest; - pLineDst += pDst->m_nStride; - pLineSrc += m_nStride; - } - } - break; - case JBIG2_COMPOSE_XOR: { - for(yy = y0; yy < y1; ++yy) { - destPtr = pLineDst + (x >> 3); - srcPtr = pLineSrc; - src1 = *srcPtr++; - dest = *destPtr; - dest ^= src1 >> s1; - *destPtr++ = (uint8_t)dest; - xx = x0 + 8; - for (; xx < x1 - 8; xx += 8) { - dest = *destPtr; - src0 = src1; - src1 = *srcPtr++; - src = (((src0 << 8) | src1) >> s1) & 0xff; - dest ^= src; - *destPtr++ = (uint8_t)dest; - } - dest = *destPtr; - src0 = src1; - if(srcPtr - pLineSrc < m_nStride) { - src1 = *srcPtr++; - } else { - src1 = 0; - } - src = (((src0 << 8) | src1) >> s1) & 0xff; - dest ^= src & m2; - *destPtr = (uint8_t)dest; - pLineDst += pDst->m_nStride; - pLineSrc += m_nStride; - } - } - break; - case JBIG2_COMPOSE_XNOR: { - for(yy = y0; yy < y1; ++yy) { - destPtr = pLineDst + (x >> 3); - srcPtr = pLineSrc; - src1 = *srcPtr++; - dest = *destPtr; - dest ^= (src1 ^ 0xff) >> s1; - *destPtr++ = (uint8_t)dest; - xx = x0 + 8; - for (; xx < x1 - 8; xx += 8) { - dest = *destPtr; - src0 = src1; - src1 = *srcPtr++; - src = (((src0 << 8) | src1) >> s1) & 0xff; - dest ^= src ^ 0xff; - *destPtr++ = (uint8_t)dest; - } - dest = *destPtr; - src0 = src1; - if(srcPtr - pLineSrc < m_nStride) { - src1 = *srcPtr++; - } else { - src1 = 0; - } - src = (((src0 << 8) | src1) >> s1) & 0xff; - dest ^= (src ^ 0xff) & m2; - *destPtr = (uint8_t)dest; - pLineDst += pDst->m_nStride; - pLineSrc += m_nStride; - } - } - break; - case JBIG2_COMPOSE_REPLACE: { - for(yy = y0; yy < y1; ++yy) { - destPtr = pLineDst + (x >> 3); - srcPtr = pLineSrc; - src1 = *srcPtr++; - dest = *destPtr; - dest = (dest & (0xff << s2)) | (src1 >> s1); - *destPtr++ = (uint8_t)dest; - xx = x0 + 8; - for (; xx < x1 - 8; xx += 8) { - dest = *destPtr; - src0 = src1; - src1 = *srcPtr++; - src = (((src0 << 8) | src1) >> s1) & 0xff; - dest = src; - *destPtr++ = (uint8_t)dest; - } - dest = *destPtr; - src0 = src1; - if(srcPtr - pLineSrc < m_nStride) { - src1 = *srcPtr++; - } else { - src1 = 0; - } - src = (((src0 << 8) | src1) >> s1) & 0xff; - dest = (src & m2) | (dest & m1); - *destPtr = (uint8_t)dest; - pLineDst += pDst->m_nStride; - pLineSrc += m_nStride; - } - } - break; + switch (op) { + case JBIG2_COMPOSE_OR: { + for (yy = y0; yy < y1; ++yy) { + destPtr = pLineDst; + srcPtr = pLineSrc + (-x >> 3); + src1 = *srcPtr++; + xx = x0; + for (; xx < x1 - 8; xx += 8) { + dest = *destPtr; + src0 = src1; + src1 = *srcPtr++; + src = (((src0 << 8) | src1) >> s1) & 0xff; + dest |= src; + *destPtr++ = (uint8_t)dest; } - } else { - switch(op) { - case JBIG2_COMPOSE_OR: { - for(yy = y0; yy < y1; ++yy) { - destPtr = pLineDst; - srcPtr = pLineSrc + (-x >> 3); - src1 = *srcPtr++; - xx = x0; - for (; xx < x1 - 8; xx += 8) { - dest = *destPtr; - src0 = src1; - src1 = *srcPtr++; - src = (((src0 << 8) | src1) >> s1) & 0xff; - dest |= src; - *destPtr++ = (uint8_t)dest; - } - dest = *destPtr; - src0 = src1; - if(srcPtr - pLineSrc < m_nStride) { - src1 = *srcPtr++; - } else { - src1 = 0; - } - src = (((src0 << 8) | src1) >> s1) & 0xff; - dest |= src & m2; - *destPtr = (uint8_t)dest; - pLineDst += pDst->m_nStride; - pLineSrc += m_nStride; - } - } - break; - case JBIG2_COMPOSE_AND: { - for(yy = y0; yy < y1; ++yy) { - destPtr = pLineDst; - srcPtr = pLineSrc + (-x >> 3); - src1 = *srcPtr++; - xx = x0; - for (; xx < x1 - 8; xx += 8) { - dest = *destPtr; - src0 = src1; - src1 = *srcPtr++; - src = (((src0 << 8) | src1) >> s1) & 0xff; - dest &= src; - *destPtr++ = (uint8_t)dest; - } - dest = *destPtr; - src0 = src1; - if(srcPtr - pLineSrc < m_nStride) { - src1 = *srcPtr++; - } else { - src1 = 0; - } - src = (((src0 << 8) | src1) >> s1) & 0xff; - dest &= src | m1; - *destPtr = (uint8_t)dest; - pLineDst += pDst->m_nStride; - pLineSrc += m_nStride; - } - } - break; - case JBIG2_COMPOSE_XOR: { - for(yy = y0; yy < y1; ++yy) { - destPtr = pLineDst; - srcPtr = pLineSrc + (-x >> 3); - src1 = *srcPtr++; - xx = x0; - for (; xx < x1 - 8; xx += 8) { - dest = *destPtr; - src0 = src1; - src1 = *srcPtr++; - src = (((src0 << 8) | src1) >> s1) & 0xff; - dest ^= src; - *destPtr++ = (uint8_t)dest; - } - dest = *destPtr; - src0 = src1; - if(srcPtr - pLineSrc < m_nStride) { - src1 = *srcPtr++; - } else { - src1 = 0; - } - src = (((src0 << 8) | src1) >> s1) & 0xff; - dest ^= src & m2; - *destPtr = (uint8_t)dest; - pLineDst += pDst->m_nStride; - pLineSrc += m_nStride; - } - } - break; - case JBIG2_COMPOSE_XNOR: { - for(yy = y0; yy < y1; ++yy) { - destPtr = pLineDst; - srcPtr = pLineSrc + (-x >> 3); - src1 = *srcPtr++; - xx = x0; - for (; xx < x1 - 8; xx += 8) { - dest = *destPtr; - src0 = src1; - src1 = *srcPtr++; - src = (((src0 << 8) | src1) >> s1) & 0xff; - dest ^= src ^ 0xff; - *destPtr++ = (uint8_t)dest; - } - dest = *destPtr; - src0 = src1; - if(srcPtr - pLineSrc < m_nStride) { - src1 = *srcPtr++; - } else { - src1 = 0; - } - src = (((src0 << 8) | src1) >> s1) & 0xff; - dest ^= (src ^ 0xff) & m2; - *destPtr = (uint8_t)dest; - pLineDst += pDst->m_nStride; - pLineSrc += m_nStride; - } - } - break; - case JBIG2_COMPOSE_REPLACE: { - for(yy = y0; yy < y1; ++yy) { - destPtr = pLineDst; - srcPtr = pLineSrc + (-x >> 3); - src1 = *srcPtr++; - xx = x0; - for (; xx < x1 - 8; xx += 8) { - dest = *destPtr; - src0 = src1; - src1 = *srcPtr++; - src = (((src0 << 8) | src1) >> s1) & 0xff; - dest = src; - *destPtr++ = (uint8_t)dest; - } - dest = *destPtr; - src0 = src1; - if(srcPtr - pLineSrc < m_nStride) { - src1 = *srcPtr++; - } else { - src1 = 0; - } - src = (((src0 << 8) | src1) >> s1) & 0xff; - dest = (src & m2) | (dest & m1); - *destPtr = (uint8_t)dest; - pLineDst += pDst->m_nStride; - pLineSrc += m_nStride; - } - } - break; + dest = *destPtr; + src0 = src1; + if (srcPtr - pLineSrc < m_nStride) { + src1 = *srcPtr++; + } else { + src1 = 0; } - } + src = (((src0 << 8) | src1) >> s1) & 0xff; + dest |= src & m2; + *destPtr = (uint8_t)dest; + pLineDst += pDst->m_nStride; + pLineSrc += m_nStride; + } + } break; + case JBIG2_COMPOSE_AND: { + for (yy = y0; yy < y1; ++yy) { + destPtr = pLineDst; + srcPtr = pLineSrc + (-x >> 3); + src1 = *srcPtr++; + xx = x0; + for (; xx < x1 - 8; xx += 8) { + dest = *destPtr; + src0 = src1; + src1 = *srcPtr++; + src = (((src0 << 8) | src1) >> s1) & 0xff; + dest &= src; + *destPtr++ = (uint8_t)dest; + } + dest = *destPtr; + src0 = src1; + if (srcPtr - pLineSrc < m_nStride) { + src1 = *srcPtr++; + } else { + src1 = 0; + } + src = (((src0 << 8) | src1) >> s1) & 0xff; + dest &= src | m1; + *destPtr = (uint8_t)dest; + pLineDst += pDst->m_nStride; + pLineSrc += m_nStride; + } + } break; + case JBIG2_COMPOSE_XOR: { + for (yy = y0; yy < y1; ++yy) { + destPtr = pLineDst; + srcPtr = pLineSrc + (-x >> 3); + src1 = *srcPtr++; + xx = x0; + for (; xx < x1 - 8; xx += 8) { + dest = *destPtr; + src0 = src1; + src1 = *srcPtr++; + src = (((src0 << 8) | src1) >> s1) & 0xff; + dest ^= src; + *destPtr++ = (uint8_t)dest; + } + dest = *destPtr; + src0 = src1; + if (srcPtr - pLineSrc < m_nStride) { + src1 = *srcPtr++; + } else { + src1 = 0; + } + src = (((src0 << 8) | src1) >> s1) & 0xff; + dest ^= src & m2; + *destPtr = (uint8_t)dest; + pLineDst += pDst->m_nStride; + pLineSrc += m_nStride; + } + } break; + case JBIG2_COMPOSE_XNOR: { + for (yy = y0; yy < y1; ++yy) { + destPtr = pLineDst; + srcPtr = pLineSrc + (-x >> 3); + src1 = *srcPtr++; + xx = x0; + for (; xx < x1 - 8; xx += 8) { + dest = *destPtr; + src0 = src1; + src1 = *srcPtr++; + src = (((src0 << 8) | src1) >> s1) & 0xff; + dest ^= src ^ 0xff; + *destPtr++ = (uint8_t)dest; + } + dest = *destPtr; + src0 = src1; + if (srcPtr - pLineSrc < m_nStride) { + src1 = *srcPtr++; + } else { + src1 = 0; + } + src = (((src0 << 8) | src1) >> s1) & 0xff; + dest ^= (src ^ 0xff) & m2; + *destPtr = (uint8_t)dest; + pLineDst += pDst->m_nStride; + pLineSrc += m_nStride; + } + } break; + case JBIG2_COMPOSE_REPLACE: { + for (yy = y0; yy < y1; ++yy) { + destPtr = pLineDst; + srcPtr = pLineSrc + (-x >> 3); + src1 = *srcPtr++; + xx = x0; + for (; xx < x1 - 8; xx += 8) { + dest = *destPtr; + src0 = src1; + src1 = *srcPtr++; + src = (((src0 << 8) | src1) >> s1) & 0xff; + dest = src; + *destPtr++ = (uint8_t)dest; + } + dest = *destPtr; + src0 = src1; + if (srcPtr - pLineSrc < m_nStride) { + src1 = *srcPtr++; + } else { + src1 = 0; + } + src = (((src0 << 8) | src1) >> s1) & 0xff; + dest = (src & m2) | (dest & m1); + *destPtr = (uint8_t)dest; + pLineDst += pDst->m_nStride; + pLineSrc += m_nStride; + } + } break; + } } - return TRUE; + } + return TRUE; } -FX_BOOL CJBig2_Image::composeFrom(int32_t x, int32_t y, CJBig2_Image *pSrc, JBig2ComposeOp op) -{ - if (!m_pData) { - return FALSE; - } - return pSrc->composeTo(this, x, y, op); +FX_BOOL CJBig2_Image::composeFrom(int32_t x, + int32_t y, + CJBig2_Image* pSrc, + JBig2ComposeOp op) { + if (!m_pData) { + return FALSE; + } + return pSrc->composeTo(this, x, y, op); } -FX_BOOL CJBig2_Image::composeFrom(int32_t x, int32_t y, CJBig2_Image *pSrc, JBig2ComposeOp op, const FX_RECT* pSrcRect) -{ - if (!m_pData) { - return FALSE; - } - return pSrc->composeTo(this, x, y, op, pSrcRect); +FX_BOOL CJBig2_Image::composeFrom(int32_t x, + int32_t y, + CJBig2_Image* pSrc, + JBig2ComposeOp op, + const FX_RECT* pSrcRect) { + if (!m_pData) { + return FALSE; + } + return pSrc->composeTo(this, x, y, op, pSrcRect); } -CJBig2_Image *CJBig2_Image::subImage_unopt(int32_t x, int32_t y, int32_t w, int32_t h) -{ - CJBig2_Image *pImage; - int32_t i, j; - JBIG2_ALLOC(pImage, CJBig2_Image(w, h)); - for(j = 0; j < h; j++) { - for(i = 0; i < w; i++) { - pImage->setPixel(i, j, getPixel(x + i, y + j)); - } +CJBig2_Image* CJBig2_Image::subImage_unopt(int32_t x, + int32_t y, + int32_t w, + int32_t h) { + CJBig2_Image* pImage; + int32_t i, j; + JBIG2_ALLOC(pImage, CJBig2_Image(w, h)); + for (j = 0; j < h; j++) { + for (i = 0; i < w; i++) { + pImage->setPixel(i, j, getPixel(x + i, y + j)); } - return pImage; + } + return pImage; } -#define JBIG2_GETDWORD(buf) ((FX_DWORD)(((buf)[0] << 24) | ((buf)[1] << 16) | ((buf)[2] << 8) | (buf)[3])) -CJBig2_Image *CJBig2_Image::subImage(int32_t x, int32_t y, int32_t w, int32_t h) -{ - CJBig2_Image *pImage; - int32_t m, n, j; - uint8_t *pLineSrc, *pLineDst; - FX_DWORD wTmp; - uint8_t *pSrc, *pSrcEnd, *pDst, *pDstEnd; - if (w == 0 || h == 0) { - return NULL; - } - JBIG2_ALLOC(pImage, CJBig2_Image(w, h)); - if (!m_pData) { - pImage->fill(0); - return pImage; - } - if (!pImage->m_pData) { - return pImage; +#define JBIG2_GETDWORD(buf) \ + ((FX_DWORD)(((buf)[0] << 24) | ((buf)[1] << 16) | ((buf)[2] << 8) | (buf)[3])) +CJBig2_Image* CJBig2_Image::subImage(int32_t x, + int32_t y, + int32_t w, + int32_t h) { + CJBig2_Image* pImage; + int32_t m, n, j; + uint8_t *pLineSrc, *pLineDst; + FX_DWORD wTmp; + uint8_t *pSrc, *pSrcEnd, *pDst, *pDstEnd; + if (w == 0 || h == 0) { + return NULL; + } + JBIG2_ALLOC(pImage, CJBig2_Image(w, h)); + if (!m_pData) { + pImage->fill(0); + return pImage; + } + if (!pImage->m_pData) { + return pImage; + } + pLineSrc = m_pData + m_nStride * y; + pLineDst = pImage->m_pData; + m = (x >> 5) << 2; + n = x & 31; + if (n == 0) { + for (j = 0; j < h; j++) { + pSrc = pLineSrc + m; + pSrcEnd = pLineSrc + m_nStride; + pDst = pLineDst; + pDstEnd = pLineDst + pImage->m_nStride; + for (; pDst < pDstEnd; pSrc += 4, pDst += 4) { + *((FX_DWORD*)pDst) = *((FX_DWORD*)pSrc); + } + pLineSrc += m_nStride; + pLineDst += pImage->m_nStride; } - pLineSrc = m_pData + m_nStride * y; - pLineDst = pImage->m_pData; - m = (x >> 5) << 2; - n = x & 31; - if(n == 0) { - for(j = 0; j < h; j++) { - pSrc = pLineSrc + m; - pSrcEnd = pLineSrc + m_nStride; - pDst = pLineDst; - pDstEnd = pLineDst + pImage->m_nStride; - for(; pDst < pDstEnd; pSrc += 4, pDst += 4) { - *((FX_DWORD *)pDst) = *((FX_DWORD *)pSrc); - } - pLineSrc += m_nStride; - pLineDst += pImage->m_nStride; - } - } else { - for(j = 0; j < h; j++) { - pSrc = pLineSrc + m; - pSrcEnd = pLineSrc + m_nStride; - pDst = pLineDst; - pDstEnd = pLineDst + pImage->m_nStride; - for(; pDst < pDstEnd; pSrc += 4, pDst += 4) { - if(pSrc + 4 < pSrcEnd) { - wTmp = (JBIG2_GETDWORD(pSrc) << n) | (JBIG2_GETDWORD(pSrc + 4) >> (32 - n)); - } else { - wTmp = JBIG2_GETDWORD(pSrc) << n; - } - pDst[0] = (uint8_t)(wTmp >> 24); - pDst[1] = (uint8_t)(wTmp >> 16); - pDst[2] = (uint8_t)(wTmp >> 8); - pDst[3] = (uint8_t)wTmp; - } - pLineSrc += m_nStride; - pLineDst += pImage->m_nStride; + } else { + for (j = 0; j < h; j++) { + pSrc = pLineSrc + m; + pSrcEnd = pLineSrc + m_nStride; + pDst = pLineDst; + pDstEnd = pLineDst + pImage->m_nStride; + for (; pDst < pDstEnd; pSrc += 4, pDst += 4) { + if (pSrc + 4 < pSrcEnd) { + wTmp = (JBIG2_GETDWORD(pSrc) << n) | + (JBIG2_GETDWORD(pSrc + 4) >> (32 - n)); + } else { + wTmp = JBIG2_GETDWORD(pSrc) << n; } + pDst[0] = (uint8_t)(wTmp >> 24); + pDst[1] = (uint8_t)(wTmp >> 16); + pDst[2] = (uint8_t)(wTmp >> 8); + pDst[3] = (uint8_t)wTmp; + } + pLineSrc += m_nStride; + pLineDst += pImage->m_nStride; } - return pImage; + } + return pImage; } -void CJBig2_Image::expand(int32_t h, FX_BOOL v) -{ - if (!m_pData || h <= m_nHeight) { - return; - } - FX_DWORD dwH = pdfium::base::checked_cast<FX_DWORD>(h); - FX_DWORD dwStride = pdfium::base::checked_cast<FX_DWORD>(m_nStride); - FX_DWORD dwHeight = pdfium::base::checked_cast<FX_DWORD>(m_nHeight); - FX_SAFE_DWORD safeMemSize = dwH; - safeMemSize *= dwStride; - if (!safeMemSize.IsValid()) { - return; - } - //The guaranteed reallocated memory is to be < 4GB (unsigned int). - m_pData = (uint8_t*)m_pModule->JBig2_Realloc(m_pData, safeMemSize.ValueOrDie()); - //The result of dwHeight * dwStride doesn't overflow after the - //checking of safeMemSize. - //The same as the result of (dwH - dwHeight) * dwStride) because - //dwH - dwHeight is always less than dwH(h) which is checked in - //the calculation of dwH * dwStride. - JBIG2_memset(m_pData + dwHeight * dwStride, v ? 0xff : 0, (dwH - dwHeight) * dwStride); - m_nHeight = h; +void CJBig2_Image::expand(int32_t h, FX_BOOL v) { + if (!m_pData || h <= m_nHeight) { + return; + } + FX_DWORD dwH = pdfium::base::checked_cast<FX_DWORD>(h); + FX_DWORD dwStride = pdfium::base::checked_cast<FX_DWORD>(m_nStride); + FX_DWORD dwHeight = pdfium::base::checked_cast<FX_DWORD>(m_nHeight); + FX_SAFE_DWORD safeMemSize = dwH; + safeMemSize *= dwStride; + if (!safeMemSize.IsValid()) { + return; + } + // The guaranteed reallocated memory is to be < 4GB (unsigned int). + m_pData = + (uint8_t*)m_pModule->JBig2_Realloc(m_pData, safeMemSize.ValueOrDie()); + // The result of dwHeight * dwStride doesn't overflow after the + // checking of safeMemSize. + // The same as the result of (dwH - dwHeight) * dwStride) because + // dwH - dwHeight is always less than dwH(h) which is checked in + // the calculation of dwH * dwStride. + JBIG2_memset(m_pData + dwHeight * dwStride, v ? 0xff : 0, + (dwH - dwHeight) * dwStride); + m_nHeight = h; } -FX_BOOL CJBig2_Image::composeTo_opt2(CJBig2_Image *pDst, int32_t x, int32_t y, JBig2ComposeOp op) -{ - int32_t xs0 = 0, ys0 = 0, xs1 = 0, ys1 = 0, xd0 = 0, yd0 = 0, xd1 = 0, - yd1 = 0, xx = 0, yy = 0, w = 0, h = 0, middleDwords = 0, lineLeft = 0; +FX_BOOL CJBig2_Image::composeTo_opt2(CJBig2_Image* pDst, + int32_t x, + int32_t y, + JBig2ComposeOp op) { + int32_t xs0 = 0, ys0 = 0, xs1 = 0, ys1 = 0, xd0 = 0, yd0 = 0, xd1 = 0, + yd1 = 0, xx = 0, yy = 0, w = 0, h = 0, middleDwords = 0, lineLeft = 0; - FX_DWORD s1 = 0, d1 = 0, d2 = 0, shift = 0, shift1 = 0, shift2 = 0, - tmp = 0, tmp1 = 0, tmp2 = 0, maskL = 0, maskR = 0, maskM = 0; + FX_DWORD s1 = 0, d1 = 0, d2 = 0, shift = 0, shift1 = 0, shift2 = 0, tmp = 0, + tmp1 = 0, tmp2 = 0, maskL = 0, maskR = 0, maskM = 0; - uint8_t *lineSrc = NULL, *lineDst = NULL, *sp = NULL, *dp = NULL; + uint8_t *lineSrc = NULL, *lineDst = NULL, *sp = NULL, *dp = NULL; - if (!m_pData) { - return FALSE; - } - if (x < -1048576 || x > 1048576 || y < -1048576 || y > 1048576) { - return FALSE; - } - if(y < 0) { - ys0 = -y; - } - if(y + m_nHeight > pDst->m_nHeight) { - ys1 = pDst->m_nHeight - y; - } else { - ys1 = m_nHeight; - } - if(x < 0) { - xs0 = -x; - } - if(x + m_nWidth > pDst->m_nWidth) { - xs1 = pDst->m_nWidth - x; + if (!m_pData) { + return FALSE; + } + if (x < -1048576 || x > 1048576 || y < -1048576 || y > 1048576) { + return FALSE; + } + if (y < 0) { + ys0 = -y; + } + if (y + m_nHeight > pDst->m_nHeight) { + ys1 = pDst->m_nHeight - y; + } else { + ys1 = m_nHeight; + } + if (x < 0) { + xs0 = -x; + } + if (x + m_nWidth > pDst->m_nWidth) { + xs1 = pDst->m_nWidth - x; + } else { + xs1 = m_nWidth; + } + if ((ys0 >= ys1) || (xs0 >= xs1)) { + return 0; + } + w = xs1 - xs0; + h = ys1 - ys0; + if (y >= 0) { + yd0 = y; + } + if (x >= 0) { + xd0 = x; + } + xd1 = xd0 + w; + yd1 = yd0 + h; + d1 = xd0 & 31; + d2 = xd1 & 31; + s1 = xs0 & 31; + maskL = 0xffffffff >> d1; + maskR = 0xffffffff << ((32 - (xd1 & 31)) % 32); + maskM = maskL & maskR; + lineSrc = m_pData + ys0 * m_nStride + ((xs0 >> 5) << 2); + lineLeft = m_nStride - ((xs0 >> 5) << 2); + lineDst = pDst->m_pData + yd0 * pDst->m_nStride + ((xd0 >> 5) << 2); + if ((xd0 & ~31) == ((xd1 - 1) & ~31)) { + if ((xs0 & ~31) == ((xs1 - 1) & ~31)) { + if (s1 > d1) { + shift = s1 - d1; + for (yy = yd0; yy < yd1; yy++) { + tmp1 = JBIG2_GETDWORD(lineSrc) << shift; + tmp2 = JBIG2_GETDWORD(lineDst); + switch (op) { + case JBIG2_COMPOSE_OR: + tmp = (tmp2 & ~maskM) | ((tmp1 | tmp2) & maskM); + break; + case JBIG2_COMPOSE_AND: + tmp = (tmp2 & ~maskM) | ((tmp1 & tmp2) & maskM); + break; + case JBIG2_COMPOSE_XOR: + tmp = (tmp2 & ~maskM) | ((tmp1 ^ tmp2) & maskM); + break; + case JBIG2_COMPOSE_XNOR: + tmp = (tmp2 & ~maskM) | ((~(tmp1 ^ tmp2)) & maskM); + break; + case JBIG2_COMPOSE_REPLACE: + tmp = (tmp2 & ~maskM) | (tmp1 & maskM); + break; + } + lineDst[0] = (uint8_t)(tmp >> 24); + lineDst[1] = (uint8_t)(tmp >> 16); + lineDst[2] = (uint8_t)(tmp >> 8); + lineDst[3] = (uint8_t)tmp; + lineSrc += m_nStride; + lineDst += pDst->m_nStride; + } + } else { + shift = d1 - s1; + for (yy = yd0; yy < yd1; yy++) { + tmp1 = JBIG2_GETDWORD(lineSrc) >> shift; + tmp2 = JBIG2_GETDWORD(lineDst); + switch (op) { + case JBIG2_COMPOSE_OR: + tmp = (tmp2 & ~maskM) | ((tmp1 | tmp2) & maskM); + break; + case JBIG2_COMPOSE_AND: + tmp = (tmp2 & ~maskM) | ((tmp1 & tmp2) & maskM); + break; + case JBIG2_COMPOSE_XOR: + tmp = (tmp2 & ~maskM) | ((tmp1 ^ tmp2) & maskM); + break; + case JBIG2_COMPOSE_XNOR: + tmp = (tmp2 & ~maskM) | ((~(tmp1 ^ tmp2)) & maskM); + break; + case JBIG2_COMPOSE_REPLACE: + tmp = (tmp2 & ~maskM) | (tmp1 & maskM); + break; + } + lineDst[0] = (uint8_t)(tmp >> 24); + lineDst[1] = (uint8_t)(tmp >> 16); + lineDst[2] = (uint8_t)(tmp >> 8); + lineDst[3] = (uint8_t)tmp; + lineSrc += m_nStride; + lineDst += pDst->m_nStride; + } + } } else { - xs1 = m_nWidth; - } - if((ys0 >= ys1) || (xs0 >= xs1)) { - return 0; - } - w = xs1 - xs0; - h = ys1 - ys0; - if(y >= 0) { - yd0 = y; - } - if(x >= 0) { - xd0 = x; + shift1 = s1 - d1; + shift2 = 32 - shift1; + for (yy = yd0; yy < yd1; yy++) { + tmp1 = (JBIG2_GETDWORD(lineSrc) << shift1) | + (JBIG2_GETDWORD(lineSrc + 4) >> shift2); + tmp2 = JBIG2_GETDWORD(lineDst); + switch (op) { + case JBIG2_COMPOSE_OR: + tmp = (tmp2 & ~maskM) | ((tmp1 | tmp2) & maskM); + break; + case JBIG2_COMPOSE_AND: + tmp = (tmp2 & ~maskM) | ((tmp1 & tmp2) & maskM); + break; + case JBIG2_COMPOSE_XOR: + tmp = (tmp2 & ~maskM) | ((tmp1 ^ tmp2) & maskM); + break; + case JBIG2_COMPOSE_XNOR: + tmp = (tmp2 & ~maskM) | ((~(tmp1 ^ tmp2)) & maskM); + break; + case JBIG2_COMPOSE_REPLACE: + tmp = (tmp2 & ~maskM) | (tmp1 & maskM); + break; + } + lineDst[0] = (uint8_t)(tmp >> 24); + lineDst[1] = (uint8_t)(tmp >> 16); + lineDst[2] = (uint8_t)(tmp >> 8); + lineDst[3] = (uint8_t)tmp; + lineSrc += m_nStride; + lineDst += pDst->m_nStride; + } } - xd1 = xd0 + w; - yd1 = yd0 + h; - d1 = xd0 & 31; - d2 = xd1 & 31; - s1 = xs0 & 31; - maskL = 0xffffffff >> d1; - maskR = 0xffffffff << ((32 - (xd1 & 31)) % 32); - maskM = maskL & maskR; - lineSrc = m_pData + ys0 * m_nStride + ((xs0 >> 5) << 2); - lineLeft = m_nStride - ((xs0 >> 5) << 2); - lineDst = pDst->m_pData + yd0 * pDst->m_nStride + ((xd0 >> 5) << 2); - if((xd0 & ~31) == ((xd1 - 1) & ~31)) { - if((xs0 & ~31) == ((xs1 - 1) & ~31)) { - if(s1 > d1) { - shift = s1 - d1; - for(yy = yd0; yy < yd1; yy++) { - tmp1 = JBIG2_GETDWORD(lineSrc) << shift; - tmp2 = JBIG2_GETDWORD(lineDst); - switch(op) { - case JBIG2_COMPOSE_OR: - tmp = (tmp2 & ~maskM) | ((tmp1 | tmp2) & maskM); - break; - case JBIG2_COMPOSE_AND: - tmp = (tmp2 & ~maskM) | ((tmp1 & tmp2) & maskM); - break; - case JBIG2_COMPOSE_XOR: - tmp = (tmp2 & ~maskM) | ((tmp1 ^ tmp2) & maskM); - break; - case JBIG2_COMPOSE_XNOR: - tmp = (tmp2 & ~maskM) | ((~(tmp1 ^ tmp2)) & maskM); - break; - case JBIG2_COMPOSE_REPLACE: - tmp = (tmp2 & ~maskM) | (tmp1 & maskM); - break; - } - lineDst[0] = (uint8_t)(tmp >> 24); - lineDst[1] = (uint8_t)(tmp >> 16); - lineDst[2] = (uint8_t)(tmp >> 8); - lineDst[3] = (uint8_t)tmp; - lineSrc += m_nStride; - lineDst += pDst->m_nStride; - } - } else { - shift = d1 - s1; - for(yy = yd0; yy < yd1; yy++) { - tmp1 = JBIG2_GETDWORD(lineSrc) >> shift; - tmp2 = JBIG2_GETDWORD(lineDst); - switch(op) { - case JBIG2_COMPOSE_OR: - tmp = (tmp2 & ~maskM) | ((tmp1 | tmp2) & maskM); - break; - case JBIG2_COMPOSE_AND: - tmp = (tmp2 & ~maskM) | ((tmp1 & tmp2) & maskM); - break; - case JBIG2_COMPOSE_XOR: - tmp = (tmp2 & ~maskM) | ((tmp1 ^ tmp2) & maskM); - break; - case JBIG2_COMPOSE_XNOR: - tmp = (tmp2 & ~maskM) | ((~(tmp1 ^ tmp2)) & maskM); - break; - case JBIG2_COMPOSE_REPLACE: - tmp = (tmp2 & ~maskM) | (tmp1 & maskM); - break; - } - lineDst[0] = (uint8_t)(tmp >> 24); - lineDst[1] = (uint8_t)(tmp >> 16); - lineDst[2] = (uint8_t)(tmp >> 8); - lineDst[3] = (uint8_t)tmp; - lineSrc += m_nStride; - lineDst += pDst->m_nStride; - } - } - } else { - shift1 = s1 - d1; - shift2 = 32 - shift1; - for(yy = yd0; yy < yd1; yy++) { - tmp1 = (JBIG2_GETDWORD(lineSrc) << shift1) | (JBIG2_GETDWORD(lineSrc + 4) >> shift2); - tmp2 = JBIG2_GETDWORD(lineDst); - switch(op) { - case JBIG2_COMPOSE_OR: - tmp = (tmp2 & ~maskM) | ((tmp1 | tmp2) & maskM); - break; - case JBIG2_COMPOSE_AND: - tmp = (tmp2 & ~maskM) | ((tmp1 & tmp2) & maskM); - break; - case JBIG2_COMPOSE_XOR: - tmp = (tmp2 & ~maskM) | ((tmp1 ^ tmp2) & maskM); - break; - case JBIG2_COMPOSE_XNOR: - tmp = (tmp2 & ~maskM) | ((~(tmp1 ^ tmp2)) & maskM); - break; - case JBIG2_COMPOSE_REPLACE: - tmp = (tmp2 & ~maskM) | (tmp1 & maskM); - break; - } - lineDst[0] = (uint8_t)(tmp >> 24); - lineDst[1] = (uint8_t)(tmp >> 16); - lineDst[2] = (uint8_t)(tmp >> 8); - lineDst[3] = (uint8_t)tmp; - lineSrc += m_nStride; - lineDst += pDst->m_nStride; - } + } else { + if (s1 > d1) { + shift1 = s1 - d1; + shift2 = 32 - shift1; + middleDwords = (xd1 >> 5) - ((xd0 + 31) >> 5); + for (yy = yd0; yy < yd1; yy++) { + sp = lineSrc; + dp = lineDst; + if (d1 != 0) { + tmp1 = (JBIG2_GETDWORD(sp) << shift1) | + (JBIG2_GETDWORD(sp + 4) >> shift2); + tmp2 = JBIG2_GETDWORD(dp); + switch (op) { + case JBIG2_COMPOSE_OR: + tmp = (tmp2 & ~maskL) | ((tmp1 | tmp2) & maskL); + break; + case JBIG2_COMPOSE_AND: + tmp = (tmp2 & ~maskL) | ((tmp1 & tmp2) & maskL); + break; + case JBIG2_COMPOSE_XOR: + tmp = (tmp2 & ~maskL) | ((tmp1 ^ tmp2) & maskL); + break; + case JBIG2_COMPOSE_XNOR: + tmp = (tmp2 & ~maskL) | ((~(tmp1 ^ tmp2)) & maskL); + break; + case JBIG2_COMPOSE_REPLACE: + tmp = (tmp2 & ~maskL) | (tmp1 & maskL); + break; + } + dp[0] = (uint8_t)(tmp >> 24); + dp[1] = (uint8_t)(tmp >> 16); + dp[2] = (uint8_t)(tmp >> 8); + dp[3] = (uint8_t)tmp; + sp += 4; + dp += 4; + } + for (xx = 0; xx < middleDwords; xx++) { + tmp1 = (JBIG2_GETDWORD(sp) << shift1) | + (JBIG2_GETDWORD(sp + 4) >> shift2); + tmp2 = JBIG2_GETDWORD(dp); + switch (op) { + case JBIG2_COMPOSE_OR: + tmp = tmp1 | tmp2; + break; + case JBIG2_COMPOSE_AND: + tmp = tmp1 & tmp2; + break; + case JBIG2_COMPOSE_XOR: + tmp = tmp1 ^ tmp2; + break; + case JBIG2_COMPOSE_XNOR: + tmp = ~(tmp1 ^ tmp2); + break; + case JBIG2_COMPOSE_REPLACE: + tmp = tmp1; + break; + } + dp[0] = (uint8_t)(tmp >> 24); + dp[1] = (uint8_t)(tmp >> 16); + dp[2] = (uint8_t)(tmp >> 8); + dp[3] = (uint8_t)tmp; + sp += 4; + dp += 4; } + if (d2 != 0) { + tmp1 = + (JBIG2_GETDWORD(sp) << shift1) | + (((sp + 4) < lineSrc + lineLeft ? JBIG2_GETDWORD(sp + 4) : 0) >> + shift2); + tmp2 = JBIG2_GETDWORD(dp); + switch (op) { + case JBIG2_COMPOSE_OR: + tmp = (tmp2 & ~maskR) | ((tmp1 | tmp2) & maskR); + break; + case JBIG2_COMPOSE_AND: + tmp = (tmp2 & ~maskR) | ((tmp1 & tmp2) & maskR); + break; + case JBIG2_COMPOSE_XOR: + tmp = (tmp2 & ~maskR) | ((tmp1 ^ tmp2) & maskR); + break; + case JBIG2_COMPOSE_XNOR: + tmp = (tmp2 & ~maskR) | ((~(tmp1 ^ tmp2)) & maskR); + break; + case JBIG2_COMPOSE_REPLACE: + tmp = (tmp2 & ~maskR) | (tmp1 & maskR); + break; + } + dp[0] = (uint8_t)(tmp >> 24); + dp[1] = (uint8_t)(tmp >> 16); + dp[2] = (uint8_t)(tmp >> 8); + dp[3] = (uint8_t)tmp; + } + lineSrc += m_nStride; + lineDst += pDst->m_nStride; + } + } else if (s1 == d1) { + middleDwords = (xd1 >> 5) - ((xd0 + 31) >> 5); + for (yy = yd0; yy < yd1; yy++) { + sp = lineSrc; + dp = lineDst; + if (d1 != 0) { + tmp1 = JBIG2_GETDWORD(sp); + tmp2 = JBIG2_GETDWORD(dp); + switch (op) { + case JBIG2_COMPOSE_OR: + tmp = (tmp2 & ~maskL) | ((tmp1 | tmp2) & maskL); + break; + case JBIG2_COMPOSE_AND: + tmp = (tmp2 & ~maskL) | ((tmp1 & tmp2) & maskL); + break; + case JBIG2_COMPOSE_XOR: + tmp = (tmp2 & ~maskL) | ((tmp1 ^ tmp2) & maskL); + break; + case JBIG2_COMPOSE_XNOR: + tmp = (tmp2 & ~maskL) | ((~(tmp1 ^ tmp2)) & maskL); + break; + case JBIG2_COMPOSE_REPLACE: + tmp = (tmp2 & ~maskL) | (tmp1 & maskL); + break; + } + dp[0] = (uint8_t)(tmp >> 24); + dp[1] = (uint8_t)(tmp >> 16); + dp[2] = (uint8_t)(tmp >> 8); + dp[3] = (uint8_t)tmp; + sp += 4; + dp += 4; + } + for (xx = 0; xx < middleDwords; xx++) { + tmp1 = JBIG2_GETDWORD(sp); + tmp2 = JBIG2_GETDWORD(dp); + switch (op) { + case JBIG2_COMPOSE_OR: + tmp = tmp1 | tmp2; + break; + case JBIG2_COMPOSE_AND: + tmp = tmp1 & tmp2; + break; + case JBIG2_COMPOSE_XOR: + tmp = tmp1 ^ tmp2; + break; + case JBIG2_COMPOSE_XNOR: + tmp = ~(tmp1 ^ tmp2); + break; + case JBIG2_COMPOSE_REPLACE: + tmp = tmp1; + break; + } + dp[0] = (uint8_t)(tmp >> 24); + dp[1] = (uint8_t)(tmp >> 16); + dp[2] = (uint8_t)(tmp >> 8); + dp[3] = (uint8_t)tmp; + sp += 4; + dp += 4; + } + if (d2 != 0) { + tmp1 = JBIG2_GETDWORD(sp); + tmp2 = JBIG2_GETDWORD(dp); + switch (op) { + case JBIG2_COMPOSE_OR: + tmp = (tmp2 & ~maskR) | ((tmp1 | tmp2) & maskR); + break; + case JBIG2_COMPOSE_AND: + tmp = (tmp2 & ~maskR) | ((tmp1 & tmp2) & maskR); + break; + case JBIG2_COMPOSE_XOR: + tmp = (tmp2 & ~maskR) | ((tmp1 ^ tmp2) & maskR); + break; + case JBIG2_COMPOSE_XNOR: + tmp = (tmp2 & ~maskR) | ((~(tmp1 ^ tmp2)) & maskR); + break; + case JBIG2_COMPOSE_REPLACE: + tmp = (tmp2 & ~maskR) | (tmp1 & maskR); + break; + } + dp[0] = (uint8_t)(tmp >> 24); + dp[1] = (uint8_t)(tmp >> 16); + dp[2] = (uint8_t)(tmp >> 8); + dp[3] = (uint8_t)tmp; + } + lineSrc += m_nStride; + lineDst += pDst->m_nStride; + } } else { - if(s1 > d1) { - shift1 = s1 - d1; - shift2 = 32 - shift1; - middleDwords = (xd1 >> 5) - ((xd0 + 31) >> 5); - for(yy = yd0; yy < yd1; yy++) { - sp = lineSrc; - dp = lineDst; - if(d1 != 0) { - tmp1 = (JBIG2_GETDWORD(sp) << shift1) | (JBIG2_GETDWORD(sp + 4) >> shift2); - tmp2 = JBIG2_GETDWORD(dp); - switch(op) { - case JBIG2_COMPOSE_OR: - tmp = (tmp2 & ~maskL) | ((tmp1 | tmp2) & maskL); - break; - case JBIG2_COMPOSE_AND: - tmp = (tmp2 & ~maskL) | ((tmp1 & tmp2) & maskL); - break; - case JBIG2_COMPOSE_XOR: - tmp = (tmp2 & ~maskL) | ((tmp1 ^ tmp2) & maskL); - break; - case JBIG2_COMPOSE_XNOR: - tmp = (tmp2 & ~maskL) | ((~(tmp1 ^ tmp2)) & maskL); - break; - case JBIG2_COMPOSE_REPLACE: - tmp = (tmp2 & ~maskL) | (tmp1 & maskL); - break; - } - dp[0] = (uint8_t)(tmp >> 24); - dp[1] = (uint8_t)(tmp >> 16); - dp[2] = (uint8_t)(tmp >> 8); - dp[3] = (uint8_t)tmp; - sp += 4; - dp += 4; - } - for(xx = 0; xx < middleDwords; xx++) { - tmp1 = (JBIG2_GETDWORD(sp) << shift1) | (JBIG2_GETDWORD(sp + 4) >> shift2); - tmp2 = JBIG2_GETDWORD(dp); - switch(op) { - case JBIG2_COMPOSE_OR: - tmp = tmp1 | tmp2; - break; - case JBIG2_COMPOSE_AND: - tmp = tmp1 & tmp2; - break; - case JBIG2_COMPOSE_XOR: - tmp = tmp1 ^ tmp2; - break; - case JBIG2_COMPOSE_XNOR: - tmp = ~(tmp1 ^ tmp2); - break; - case JBIG2_COMPOSE_REPLACE: - tmp = tmp1; - break; - } - dp[0] = (uint8_t)(tmp >> 24); - dp[1] = (uint8_t)(tmp >> 16); - dp[2] = (uint8_t)(tmp >> 8); - dp[3] = (uint8_t)tmp; - sp += 4; - dp += 4; - } - if(d2 != 0) { - tmp1 = (JBIG2_GETDWORD(sp) << shift1) | ( - ((sp + 4) < lineSrc + lineLeft ? JBIG2_GETDWORD(sp + 4) : 0) >> shift2); - tmp2 = JBIG2_GETDWORD(dp); - switch(op) { - case JBIG2_COMPOSE_OR: - tmp = (tmp2 & ~maskR) | ((tmp1 | tmp2) & maskR); - break; - case JBIG2_COMPOSE_AND: - tmp = (tmp2 & ~maskR) | ((tmp1 & tmp2) & maskR); - break; - case JBIG2_COMPOSE_XOR: - tmp = (tmp2 & ~maskR) | ((tmp1 ^ tmp2) & maskR); - break; - case JBIG2_COMPOSE_XNOR: - tmp = (tmp2 & ~maskR) | ((~(tmp1 ^ tmp2)) & maskR); - break; - case JBIG2_COMPOSE_REPLACE: - tmp = (tmp2 & ~maskR) | (tmp1 & maskR); - break; - } - dp[0] = (uint8_t)(tmp >> 24); - dp[1] = (uint8_t)(tmp >> 16); - dp[2] = (uint8_t)(tmp >> 8); - dp[3] = (uint8_t)tmp; - } - lineSrc += m_nStride; - lineDst += pDst->m_nStride; - } - } else if(s1 == d1) { - middleDwords = (xd1 >> 5) - ((xd0 + 31) >> 5); - for(yy = yd0; yy < yd1; yy++) { - sp = lineSrc; - dp = lineDst; - if(d1 != 0) { - tmp1 = JBIG2_GETDWORD(sp); - tmp2 = JBIG2_GETDWORD(dp); - switch(op) { - case JBIG2_COMPOSE_OR: - tmp = (tmp2 & ~maskL) | ((tmp1 | tmp2) & maskL); - break; - case JBIG2_COMPOSE_AND: - tmp = (tmp2 & ~maskL) | ((tmp1 & tmp2) & maskL); - break; - case JBIG2_COMPOSE_XOR: - tmp = (tmp2 & ~maskL) | ((tmp1 ^ tmp2) & maskL); - break; - case JBIG2_COMPOSE_XNOR: - tmp = (tmp2 & ~maskL) | ((~(tmp1 ^ tmp2)) & maskL); - break; - case JBIG2_COMPOSE_REPLACE: - tmp = (tmp2 & ~maskL) | (tmp1 & maskL); - break; - } - dp[0] = (uint8_t)(tmp >> 24); - dp[1] = (uint8_t)(tmp >> 16); - dp[2] = (uint8_t)(tmp >> 8); - dp[3] = (uint8_t)tmp; - sp += 4; - dp += 4; - } - for(xx = 0; xx < middleDwords; xx++) { - tmp1 = JBIG2_GETDWORD(sp); - tmp2 = JBIG2_GETDWORD(dp); - switch(op) { - case JBIG2_COMPOSE_OR: - tmp = tmp1 | tmp2; - break; - case JBIG2_COMPOSE_AND: - tmp = tmp1 & tmp2; - break; - case JBIG2_COMPOSE_XOR: - tmp = tmp1 ^ tmp2; - break; - case JBIG2_COMPOSE_XNOR: - tmp = ~(tmp1 ^ tmp2); - break; - case JBIG2_COMPOSE_REPLACE: - tmp = tmp1; - break; - } - dp[0] = (uint8_t)(tmp >> 24); - dp[1] = (uint8_t)(tmp >> 16); - dp[2] = (uint8_t)(tmp >> 8); - dp[3] = (uint8_t)tmp; - sp += 4; - dp += 4; - } - if(d2 != 0) { - tmp1 = JBIG2_GETDWORD(sp); - tmp2 = JBIG2_GETDWORD(dp); - switch(op) { - case JBIG2_COMPOSE_OR: - tmp = (tmp2 & ~maskR) | ((tmp1 | tmp2) & maskR); - break; - case JBIG2_COMPOSE_AND: - tmp = (tmp2 & ~maskR) | ((tmp1 & tmp2) & maskR); - break; - case JBIG2_COMPOSE_XOR: - tmp = (tmp2 & ~maskR) | ((tmp1 ^ tmp2) & maskR); - break; - case JBIG2_COMPOSE_XNOR: - tmp = (tmp2 & ~maskR) | ((~(tmp1 ^ tmp2)) & maskR); - break; - case JBIG2_COMPOSE_REPLACE: - tmp = (tmp2 & ~maskR) | (tmp1 & maskR); - break; - } - dp[0] = (uint8_t)(tmp >> 24); - dp[1] = (uint8_t)(tmp >> 16); - dp[2] = (uint8_t)(tmp >> 8); - dp[3] = (uint8_t)tmp; - } - lineSrc += m_nStride; - lineDst += pDst->m_nStride; - } - } else { - shift1 = d1 - s1; - shift2 = 32 - shift1; - middleDwords = (xd1 >> 5) - ((xd0 + 31) >> 5); - for(yy = yd0; yy < yd1; yy++) { - sp = lineSrc; - dp = lineDst; - if(d1 != 0) { - tmp1 = JBIG2_GETDWORD(sp) >> shift1; - tmp2 = JBIG2_GETDWORD(dp); - switch(op) { - case JBIG2_COMPOSE_OR: - tmp = (tmp2 & ~maskL) | ((tmp1 | tmp2) & maskL); - break; - case JBIG2_COMPOSE_AND: - tmp = (tmp2 & ~maskL) | ((tmp1 & tmp2) & maskL); - break; - case JBIG2_COMPOSE_XOR: - tmp = (tmp2 & ~maskL) | ((tmp1 ^ tmp2) & maskL); - break; - case JBIG2_COMPOSE_XNOR: - tmp = (tmp2 & ~maskL) | ((~(tmp1 ^ tmp2)) & maskL); - break; - case JBIG2_COMPOSE_REPLACE: - tmp = (tmp2 & ~maskL) | (tmp1 & maskL); - break; - } - dp[0] = (uint8_t)(tmp >> 24); - dp[1] = (uint8_t)(tmp >> 16); - dp[2] = (uint8_t)(tmp >> 8); - dp[3] = (uint8_t)tmp; - dp += 4; - } - for(xx = 0; xx < middleDwords; xx++) { - tmp1 = (JBIG2_GETDWORD(sp) << shift2) | ((JBIG2_GETDWORD(sp + 4)) >> shift1); - tmp2 = JBIG2_GETDWORD(dp); - switch(op) { - case JBIG2_COMPOSE_OR: - tmp = tmp1 | tmp2; - break; - case JBIG2_COMPOSE_AND: - tmp = tmp1 & tmp2; - break; - case JBIG2_COMPOSE_XOR: - tmp = tmp1 ^ tmp2; - break; - case JBIG2_COMPOSE_XNOR: - tmp = ~(tmp1 ^ tmp2); - break; - case JBIG2_COMPOSE_REPLACE: - tmp = tmp1; - break; - } - dp[0] = (uint8_t)(tmp >> 24); - dp[1] = (uint8_t)(tmp >> 16); - dp[2] = (uint8_t)(tmp >> 8); - dp[3] = (uint8_t)tmp; - sp += 4; - dp += 4; - } - if(d2 != 0) { - tmp1 = (JBIG2_GETDWORD(sp) << shift2) | ( - ((sp + 4) < lineSrc + lineLeft ? JBIG2_GETDWORD(sp + 4) : 0) >> shift1); - tmp2 = JBIG2_GETDWORD(dp); - switch(op) { - case JBIG2_COMPOSE_OR: - tmp = (tmp2 & ~maskR) | ((tmp1 | tmp2) & maskR); - break; - case JBIG2_COMPOSE_AND: - tmp = (tmp2 & ~maskR) | ((tmp1 & tmp2) & maskR); - break; - case JBIG2_COMPOSE_XOR: - tmp = (tmp2 & ~maskR) | ((tmp1 ^ tmp2) & maskR); - break; - case JBIG2_COMPOSE_XNOR: - tmp = (tmp2 & ~maskR) | ((~(tmp1 ^ tmp2)) & maskR); - break; - case JBIG2_COMPOSE_REPLACE: - tmp = (tmp2 & ~maskR) | (tmp1 & maskR); - break; - } - dp[0] = (uint8_t)(tmp >> 24); - dp[1] = (uint8_t)(tmp >> 16); - dp[2] = (uint8_t)(tmp >> 8); - dp[3] = (uint8_t)tmp; - } - lineSrc += m_nStride; - lineDst += pDst->m_nStride; - } + shift1 = d1 - s1; + shift2 = 32 - shift1; + middleDwords = (xd1 >> 5) - ((xd0 + 31) >> 5); + for (yy = yd0; yy < yd1; yy++) { + sp = lineSrc; + dp = lineDst; + if (d1 != 0) { + tmp1 = JBIG2_GETDWORD(sp) >> shift1; + tmp2 = JBIG2_GETDWORD(dp); + switch (op) { + case JBIG2_COMPOSE_OR: + tmp = (tmp2 & ~maskL) | ((tmp1 | tmp2) & maskL); + break; + case JBIG2_COMPOSE_AND: + tmp = (tmp2 & ~maskL) | ((tmp1 & tmp2) & maskL); + break; + case JBIG2_COMPOSE_XOR: + tmp = (tmp2 & ~maskL) | ((tmp1 ^ tmp2) & maskL); + break; + case JBIG2_COMPOSE_XNOR: + tmp = (tmp2 & ~maskL) | ((~(tmp1 ^ tmp2)) & maskL); + break; + case JBIG2_COMPOSE_REPLACE: + tmp = (tmp2 & ~maskL) | (tmp1 & maskL); + break; + } + dp[0] = (uint8_t)(tmp >> 24); + dp[1] = (uint8_t)(tmp >> 16); + dp[2] = (uint8_t)(tmp >> 8); + dp[3] = (uint8_t)tmp; + dp += 4; + } + for (xx = 0; xx < middleDwords; xx++) { + tmp1 = (JBIG2_GETDWORD(sp) << shift2) | + ((JBIG2_GETDWORD(sp + 4)) >> shift1); + tmp2 = JBIG2_GETDWORD(dp); + switch (op) { + case JBIG2_COMPOSE_OR: + tmp = tmp1 | tmp2; + break; + case JBIG2_COMPOSE_AND: + tmp = tmp1 & tmp2; + break; + case JBIG2_COMPOSE_XOR: + tmp = tmp1 ^ tmp2; + break; + case JBIG2_COMPOSE_XNOR: + tmp = ~(tmp1 ^ tmp2); + break; + case JBIG2_COMPOSE_REPLACE: + tmp = tmp1; + break; + } + dp[0] = (uint8_t)(tmp >> 24); + dp[1] = (uint8_t)(tmp >> 16); + dp[2] = (uint8_t)(tmp >> 8); + dp[3] = (uint8_t)tmp; + sp += 4; + dp += 4; } + if (d2 != 0) { + tmp1 = + (JBIG2_GETDWORD(sp) << shift2) | + (((sp + 4) < lineSrc + lineLeft ? JBIG2_GETDWORD(sp + 4) : 0) >> + shift1); + tmp2 = JBIG2_GETDWORD(dp); + switch (op) { + case JBIG2_COMPOSE_OR: + tmp = (tmp2 & ~maskR) | ((tmp1 | tmp2) & maskR); + break; + case JBIG2_COMPOSE_AND: + tmp = (tmp2 & ~maskR) | ((tmp1 & tmp2) & maskR); + break; + case JBIG2_COMPOSE_XOR: + tmp = (tmp2 & ~maskR) | ((tmp1 ^ tmp2) & maskR); + break; + case JBIG2_COMPOSE_XNOR: + tmp = (tmp2 & ~maskR) | ((~(tmp1 ^ tmp2)) & maskR); + break; + case JBIG2_COMPOSE_REPLACE: + tmp = (tmp2 & ~maskR) | (tmp1 & maskR); + break; + } + dp[0] = (uint8_t)(tmp >> 24); + dp[1] = (uint8_t)(tmp >> 16); + dp[2] = (uint8_t)(tmp >> 8); + dp[3] = (uint8_t)tmp; + } + lineSrc += m_nStride; + lineDst += pDst->m_nStride; + } } - return 1; + } + return 1; } -FX_BOOL CJBig2_Image::composeTo_opt2(CJBig2_Image *pDst, int32_t x, int32_t y, JBig2ComposeOp op, const FX_RECT* pSrcRect) -{ - int32_t xs0, ys0, xs1, ys1, xd0, yd0, xd1, yd1, xx, yy, w, h, middleDwords, lineLeft; - FX_DWORD s1, d1, d2, shift, shift1, shift2, tmp, tmp1, tmp2, maskL, maskR, maskM; - uint8_t *lineSrc, *lineDst, *sp, *dp; - int32_t sw, sh; - if (!m_pData) { - return FALSE; - } - if (x < -1048576 || x > 1048576 || y < -1048576 || y > 1048576) { - return FALSE; - } - sw = pSrcRect->Width(); - sh = pSrcRect->Height(); - if(y < 0) { - ys0 = -y; - } else { - ys0 = 0; - } - if(y + sh > pDst->m_nHeight) { - ys1 = pDst->m_nHeight - y; - } else { - ys1 = sh; - } - if(x < 0) { - xs0 = -x; - } else { - xs0 = 0; - } - if(x + sw > pDst->m_nWidth) { - xs1 = pDst->m_nWidth - x; - } else { - xs1 = sw; - } - if((ys0 >= ys1) || (xs0 >= xs1)) { - return 0; - } - w = xs1 - xs0; - h = ys1 - ys0; - if(y < 0) { - yd0 = 0; - } else { - yd0 = y; - } - if(x < 0) { - xd0 = 0; +FX_BOOL CJBig2_Image::composeTo_opt2(CJBig2_Image* pDst, + int32_t x, + int32_t y, + JBig2ComposeOp op, + const FX_RECT* pSrcRect) { + int32_t xs0, ys0, xs1, ys1, xd0, yd0, xd1, yd1, xx, yy, w, h, middleDwords, + lineLeft; + FX_DWORD s1, d1, d2, shift, shift1, shift2, tmp, tmp1, tmp2, maskL, maskR, + maskM; + uint8_t *lineSrc, *lineDst, *sp, *dp; + int32_t sw, sh; + if (!m_pData) { + return FALSE; + } + if (x < -1048576 || x > 1048576 || y < -1048576 || y > 1048576) { + return FALSE; + } + sw = pSrcRect->Width(); + sh = pSrcRect->Height(); + if (y < 0) { + ys0 = -y; + } else { + ys0 = 0; + } + if (y + sh > pDst->m_nHeight) { + ys1 = pDst->m_nHeight - y; + } else { + ys1 = sh; + } + if (x < 0) { + xs0 = -x; + } else { + xs0 = 0; + } + if (x + sw > pDst->m_nWidth) { + xs1 = pDst->m_nWidth - x; + } else { + xs1 = sw; + } + if ((ys0 >= ys1) || (xs0 >= xs1)) { + return 0; + } + w = xs1 - xs0; + h = ys1 - ys0; + if (y < 0) { + yd0 = 0; + } else { + yd0 = y; + } + if (x < 0) { + xd0 = 0; + } else { + xd0 = x; + } + xd1 = xd0 + w; + yd1 = yd0 + h; + d1 = xd0 & 31; + d2 = xd1 & 31; + s1 = xs0 & 31; + maskL = 0xffffffff >> d1; + maskR = 0xffffffff << ((32 - (xd1 & 31)) % 32); + maskM = maskL & maskR; + lineSrc = m_pData + (pSrcRect->top + ys0) * m_nStride + + (((xs0 + pSrcRect->left) >> 5) << 2); + lineLeft = m_nStride - ((xs0 >> 5) << 2); + lineDst = pDst->m_pData + yd0 * pDst->m_nStride + ((xd0 >> 5) << 2); + if ((xd0 & ~31) == ((xd1 - 1) & ~31)) { + if ((xs0 & ~31) == ((xs1 - 1) & ~31)) { + if (s1 > d1) { + shift = s1 - d1; + for (yy = yd0; yy < yd1; yy++) { + tmp1 = JBIG2_GETDWORD(lineSrc) << shift; + tmp2 = JBIG2_GETDWORD(lineDst); + switch (op) { + case JBIG2_COMPOSE_OR: + tmp = (tmp2 & ~maskM) | ((tmp1 | tmp2) & maskM); + break; + case JBIG2_COMPOSE_AND: + tmp = (tmp2 & ~maskM) | ((tmp1 & tmp2) & maskM); + break; + case JBIG2_COMPOSE_XOR: + tmp = (tmp2 & ~maskM) | ((tmp1 ^ tmp2) & maskM); + break; + case JBIG2_COMPOSE_XNOR: + tmp = (tmp2 & ~maskM) | ((~(tmp1 ^ tmp2)) & maskM); + break; + case JBIG2_COMPOSE_REPLACE: + tmp = (tmp2 & ~maskM) | (tmp1 & maskM); + break; + } + lineDst[0] = (uint8_t)(tmp >> 24); + lineDst[1] = (uint8_t)(tmp >> 16); + lineDst[2] = (uint8_t)(tmp >> 8); + lineDst[3] = (uint8_t)tmp; + lineSrc += m_nStride; + lineDst += pDst->m_nStride; + } + } else { + shift = d1 - s1; + for (yy = yd0; yy < yd1; yy++) { + tmp1 = JBIG2_GETDWORD(lineSrc) >> shift; + tmp2 = JBIG2_GETDWORD(lineDst); + switch (op) { + case JBIG2_COMPOSE_OR: + tmp = (tmp2 & ~maskM) | ((tmp1 | tmp2) & maskM); + break; + case JBIG2_COMPOSE_AND: + tmp = (tmp2 & ~maskM) | ((tmp1 & tmp2) & maskM); + break; + case JBIG2_COMPOSE_XOR: + tmp = (tmp2 & ~maskM) | ((tmp1 ^ tmp2) & maskM); + break; + case JBIG2_COMPOSE_XNOR: + tmp = (tmp2 & ~maskM) | ((~(tmp1 ^ tmp2)) & maskM); + break; + case JBIG2_COMPOSE_REPLACE: + tmp = (tmp2 & ~maskM) | (tmp1 & maskM); + break; + } + lineDst[0] = (uint8_t)(tmp >> 24); + lineDst[1] = (uint8_t)(tmp >> 16); + lineDst[2] = (uint8_t)(tmp >> 8); + lineDst[3] = (uint8_t)tmp; + lineSrc += m_nStride; + lineDst += pDst->m_nStride; + } + } } else { - xd0 = x; + shift1 = s1 - d1; + shift2 = 32 - shift1; + for (yy = yd0; yy < yd1; yy++) { + tmp1 = (JBIG2_GETDWORD(lineSrc) << shift1) | + (JBIG2_GETDWORD(lineSrc + 4) >> shift2); + tmp2 = JBIG2_GETDWORD(lineDst); + switch (op) { + case JBIG2_COMPOSE_OR: + tmp = (tmp2 & ~maskM) | ((tmp1 | tmp2) & maskM); + break; + case JBIG2_COMPOSE_AND: + tmp = (tmp2 & ~maskM) | ((tmp1 & tmp2) & maskM); + break; + case JBIG2_COMPOSE_XOR: + tmp = (tmp2 & ~maskM) | ((tmp1 ^ tmp2) & maskM); + break; + case JBIG2_COMPOSE_XNOR: + tmp = (tmp2 & ~maskM) | ((~(tmp1 ^ tmp2)) & maskM); + break; + case JBIG2_COMPOSE_REPLACE: + tmp = (tmp2 & ~maskM) | (tmp1 & maskM); + break; + } + lineDst[0] = (uint8_t)(tmp >> 24); + lineDst[1] = (uint8_t)(tmp >> 16); + lineDst[2] = (uint8_t)(tmp >> 8); + lineDst[3] = (uint8_t)tmp; + lineSrc += m_nStride; + lineDst += pDst->m_nStride; + } } - xd1 = xd0 + w; - yd1 = yd0 + h; - d1 = xd0 & 31; - d2 = xd1 & 31; - s1 = xs0 & 31; - maskL = 0xffffffff >> d1; - maskR = 0xffffffff << ((32 - (xd1 & 31)) % 32); - maskM = maskL & maskR; - lineSrc = m_pData + (pSrcRect->top + ys0) * m_nStride + (((xs0 + pSrcRect->left) >> 5) << 2); - lineLeft = m_nStride - ((xs0 >> 5) << 2); - lineDst = pDst->m_pData + yd0 * pDst->m_nStride + ((xd0 >> 5) << 2); - if((xd0 & ~31) == ((xd1 - 1) & ~31)) { - if((xs0 & ~31) == ((xs1 - 1) & ~31)) { - if(s1 > d1) { - shift = s1 - d1; - for(yy = yd0; yy < yd1; yy++) { - tmp1 = JBIG2_GETDWORD(lineSrc) << shift; - tmp2 = JBIG2_GETDWORD(lineDst); - switch(op) { - case JBIG2_COMPOSE_OR: - tmp = (tmp2 & ~maskM) | ((tmp1 | tmp2) & maskM); - break; - case JBIG2_COMPOSE_AND: - tmp = (tmp2 & ~maskM) | ((tmp1 & tmp2) & maskM); - break; - case JBIG2_COMPOSE_XOR: - tmp = (tmp2 & ~maskM) | ((tmp1 ^ tmp2) & maskM); - break; - case JBIG2_COMPOSE_XNOR: - tmp = (tmp2 & ~maskM) | ((~(tmp1 ^ tmp2)) & maskM); - break; - case JBIG2_COMPOSE_REPLACE: - tmp = (tmp2 & ~maskM) | (tmp1 & maskM); - break; - } - lineDst[0] = (uint8_t)(tmp >> 24); - lineDst[1] = (uint8_t)(tmp >> 16); - lineDst[2] = (uint8_t)(tmp >> 8); - lineDst[3] = (uint8_t)tmp; - lineSrc += m_nStride; - lineDst += pDst->m_nStride; - } - } else { - shift = d1 - s1; - for(yy = yd0; yy < yd1; yy++) { - tmp1 = JBIG2_GETDWORD(lineSrc) >> shift; - tmp2 = JBIG2_GETDWORD(lineDst); - switch(op) { - case JBIG2_COMPOSE_OR: - tmp = (tmp2 & ~maskM) | ((tmp1 | tmp2) & maskM); - break; - case JBIG2_COMPOSE_AND: - tmp = (tmp2 & ~maskM) | ((tmp1 & tmp2) & maskM); - break; - case JBIG2_COMPOSE_XOR: - tmp = (tmp2 & ~maskM) | ((tmp1 ^ tmp2) & maskM); - break; - case JBIG2_COMPOSE_XNOR: - tmp = (tmp2 & ~maskM) | ((~(tmp1 ^ tmp2)) & maskM); - break; - case JBIG2_COMPOSE_REPLACE: - tmp = (tmp2 & ~maskM) | (tmp1 & maskM); - break; - } - lineDst[0] = (uint8_t)(tmp >> 24); - lineDst[1] = (uint8_t)(tmp >> 16); - lineDst[2] = (uint8_t)(tmp >> 8); - lineDst[3] = (uint8_t)tmp; - lineSrc += m_nStride; - lineDst += pDst->m_nStride; - } - } - } else { - shift1 = s1 - d1; - shift2 = 32 - shift1; - for(yy = yd0; yy < yd1; yy++) { - tmp1 = (JBIG2_GETDWORD(lineSrc) << shift1) | (JBIG2_GETDWORD(lineSrc + 4) >> shift2); - tmp2 = JBIG2_GETDWORD(lineDst); - switch(op) { - case JBIG2_COMPOSE_OR: - tmp = (tmp2 & ~maskM) | ((tmp1 | tmp2) & maskM); - break; - case JBIG2_COMPOSE_AND: - tmp = (tmp2 & ~maskM) | ((tmp1 & tmp2) & maskM); - break; - case JBIG2_COMPOSE_XOR: - tmp = (tmp2 & ~maskM) | ((tmp1 ^ tmp2) & maskM); - break; - case JBIG2_COMPOSE_XNOR: - tmp = (tmp2 & ~maskM) | ((~(tmp1 ^ tmp2)) & maskM); - break; - case JBIG2_COMPOSE_REPLACE: - tmp = (tmp2 & ~maskM) | (tmp1 & maskM); - break; - } - lineDst[0] = (uint8_t)(tmp >> 24); - lineDst[1] = (uint8_t)(tmp >> 16); - lineDst[2] = (uint8_t)(tmp >> 8); - lineDst[3] = (uint8_t)tmp; - lineSrc += m_nStride; - lineDst += pDst->m_nStride; - } + } else { + if (s1 > d1) { + shift1 = s1 - d1; + shift2 = 32 - shift1; + middleDwords = (xd1 >> 5) - ((xd0 + 31) >> 5); + for (yy = yd0; yy < yd1; yy++) { + sp = lineSrc; + dp = lineDst; + if (d1 != 0) { + tmp1 = (JBIG2_GETDWORD(sp) << shift1) | + (JBIG2_GETDWORD(sp + 4) >> shift2); + tmp2 = JBIG2_GETDWORD(dp); + switch (op) { + case JBIG2_COMPOSE_OR: + tmp = (tmp2 & ~maskL) | ((tmp1 | tmp2) & maskL); + break; + case JBIG2_COMPOSE_AND: + tmp = (tmp2 & ~maskL) | ((tmp1 & tmp2) & maskL); + break; + case JBIG2_COMPOSE_XOR: + tmp = (tmp2 & ~maskL) | ((tmp1 ^ tmp2) & maskL); + break; + case JBIG2_COMPOSE_XNOR: + tmp = (tmp2 & ~maskL) | ((~(tmp1 ^ tmp2)) & maskL); + break; + case JBIG2_COMPOSE_REPLACE: + tmp = (tmp2 & ~maskL) | (tmp1 & maskL); + break; + } + dp[0] = (uint8_t)(tmp >> 24); + dp[1] = (uint8_t)(tmp >> 16); + dp[2] = (uint8_t)(tmp >> 8); + dp[3] = (uint8_t)tmp; + sp += 4; + dp += 4; } + for (xx = 0; xx < middleDwords; xx++) { + tmp1 = (JBIG2_GETDWORD(sp) << shift1) | + (JBIG2_GETDWORD(sp + 4) >> shift2); + tmp2 = JBIG2_GETDWORD(dp); + switch (op) { + case JBIG2_COMPOSE_OR: + tmp = tmp1 | tmp2; + break; + case JBIG2_COMPOSE_AND: + tmp = tmp1 & tmp2; + break; + case JBIG2_COMPOSE_XOR: + tmp = tmp1 ^ tmp2; + break; + case JBIG2_COMPOSE_XNOR: + tmp = ~(tmp1 ^ tmp2); + break; + case JBIG2_COMPOSE_REPLACE: + tmp = tmp1; + break; + } + dp[0] = (uint8_t)(tmp >> 24); + dp[1] = (uint8_t)(tmp >> 16); + dp[2] = (uint8_t)(tmp >> 8); + dp[3] = (uint8_t)tmp; + sp += 4; + dp += 4; + } + if (d2 != 0) { + tmp1 = + (JBIG2_GETDWORD(sp) << shift1) | + (((sp + 4) < lineSrc + lineLeft ? JBIG2_GETDWORD(sp + 4) : 0) >> + shift2); + tmp2 = JBIG2_GETDWORD(dp); + switch (op) { + case JBIG2_COMPOSE_OR: + tmp = (tmp2 & ~maskR) | ((tmp1 | tmp2) & maskR); + break; + case JBIG2_COMPOSE_AND: + tmp = (tmp2 & ~maskR) | ((tmp1 & tmp2) & maskR); + break; + case JBIG2_COMPOSE_XOR: + tmp = (tmp2 & ~maskR) | ((tmp1 ^ tmp2) & maskR); + break; + case JBIG2_COMPOSE_XNOR: + tmp = (tmp2 & ~maskR) | ((~(tmp1 ^ tmp2)) & maskR); + break; + case JBIG2_COMPOSE_REPLACE: + tmp = (tmp2 & ~maskR) | (tmp1 & maskR); + break; + } + dp[0] = (uint8_t)(tmp >> 24); + dp[1] = (uint8_t)(tmp >> 16); + dp[2] = (uint8_t)(tmp >> 8); + dp[3] = (uint8_t)tmp; + } + lineSrc += m_nStride; + lineDst += pDst->m_nStride; + } + } else if (s1 == d1) { + middleDwords = (xd1 >> 5) - ((xd0 + 31) >> 5); + for (yy = yd0; yy < yd1; yy++) { + sp = lineSrc; + dp = lineDst; + if (d1 != 0) { + tmp1 = JBIG2_GETDWORD(sp); + tmp2 = JBIG2_GETDWORD(dp); + switch (op) { + case JBIG2_COMPOSE_OR: + tmp = (tmp2 & ~maskL) | ((tmp1 | tmp2) & maskL); + break; + case JBIG2_COMPOSE_AND: + tmp = (tmp2 & ~maskL) | ((tmp1 & tmp2) & maskL); + break; + case JBIG2_COMPOSE_XOR: + tmp = (tmp2 & ~maskL) | ((tmp1 ^ tmp2) & maskL); + break; + case JBIG2_COMPOSE_XNOR: + tmp = (tmp2 & ~maskL) | ((~(tmp1 ^ tmp2)) & maskL); + break; + case JBIG2_COMPOSE_REPLACE: + tmp = (tmp2 & ~maskL) | (tmp1 & maskL); + break; + } + dp[0] = (uint8_t)(tmp >> 24); + dp[1] = (uint8_t)(tmp >> 16); + dp[2] = (uint8_t)(tmp >> 8); + dp[3] = (uint8_t)tmp; + sp += 4; + dp += 4; + } + for (xx = 0; xx < middleDwords; xx++) { + tmp1 = JBIG2_GETDWORD(sp); + tmp2 = JBIG2_GETDWORD(dp); + switch (op) { + case JBIG2_COMPOSE_OR: + tmp = tmp1 | tmp2; + break; + case JBIG2_COMPOSE_AND: + tmp = tmp1 & tmp2; + break; + case JBIG2_COMPOSE_XOR: + tmp = tmp1 ^ tmp2; + break; + case JBIG2_COMPOSE_XNOR: + tmp = ~(tmp1 ^ tmp2); + break; + case JBIG2_COMPOSE_REPLACE: + tmp = tmp1; + break; + } + dp[0] = (uint8_t)(tmp >> 24); + dp[1] = (uint8_t)(tmp >> 16); + dp[2] = (uint8_t)(tmp >> 8); + dp[3] = (uint8_t)tmp; + sp += 4; + dp += 4; + } + if (d2 != 0) { + tmp1 = JBIG2_GETDWORD(sp); + tmp2 = JBIG2_GETDWORD(dp); + switch (op) { + case JBIG2_COMPOSE_OR: + tmp = (tmp2 & ~maskR) | ((tmp1 | tmp2) & maskR); + break; + case JBIG2_COMPOSE_AND: + tmp = (tmp2 & ~maskR) | ((tmp1 & tmp2) & maskR); + break; + case JBIG2_COMPOSE_XOR: + tmp = (tmp2 & ~maskR) | ((tmp1 ^ tmp2) & maskR); + break; + case JBIG2_COMPOSE_XNOR: + tmp = (tmp2 & ~maskR) | ((~(tmp1 ^ tmp2)) & maskR); + break; + case JBIG2_COMPOSE_REPLACE: + tmp = (tmp2 & ~maskR) | (tmp1 & maskR); + break; + } + dp[0] = (uint8_t)(tmp >> 24); + dp[1] = (uint8_t)(tmp >> 16); + dp[2] = (uint8_t)(tmp >> 8); + dp[3] = (uint8_t)tmp; + } + lineSrc += m_nStride; + lineDst += pDst->m_nStride; + } } else { - if(s1 > d1) { - shift1 = s1 - d1; - shift2 = 32 - shift1; - middleDwords = (xd1 >> 5) - ((xd0 + 31) >> 5); - for(yy = yd0; yy < yd1; yy++) { - sp = lineSrc; - dp = lineDst; - if(d1 != 0) { - tmp1 = (JBIG2_GETDWORD(sp) << shift1) | (JBIG2_GETDWORD(sp + 4) >> shift2); - tmp2 = JBIG2_GETDWORD(dp); - switch(op) { - case JBIG2_COMPOSE_OR: - tmp = (tmp2 & ~maskL) | ((tmp1 | tmp2) & maskL); - break; - case JBIG2_COMPOSE_AND: - tmp = (tmp2 & ~maskL) | ((tmp1 & tmp2) & maskL); - break; - case JBIG2_COMPOSE_XOR: - tmp = (tmp2 & ~maskL) | ((tmp1 ^ tmp2) & maskL); - break; - case JBIG2_COMPOSE_XNOR: - tmp = (tmp2 & ~maskL) | ((~(tmp1 ^ tmp2)) & maskL); - break; - case JBIG2_COMPOSE_REPLACE: - tmp = (tmp2 & ~maskL) | (tmp1 & maskL); - break; - } - dp[0] = (uint8_t)(tmp >> 24); - dp[1] = (uint8_t)(tmp >> 16); - dp[2] = (uint8_t)(tmp >> 8); - dp[3] = (uint8_t)tmp; - sp += 4; - dp += 4; - } - for(xx = 0; xx < middleDwords; xx++) { - tmp1 = (JBIG2_GETDWORD(sp) << shift1) | (JBIG2_GETDWORD(sp + 4) >> shift2); - tmp2 = JBIG2_GETDWORD(dp); - switch(op) { - case JBIG2_COMPOSE_OR: - tmp = tmp1 | tmp2; - break; - case JBIG2_COMPOSE_AND: - tmp = tmp1 & tmp2; - break; - case JBIG2_COMPOSE_XOR: - tmp = tmp1 ^ tmp2; - break; - case JBIG2_COMPOSE_XNOR: - tmp = ~(tmp1 ^ tmp2); - break; - case JBIG2_COMPOSE_REPLACE: - tmp = tmp1; - break; - } - dp[0] = (uint8_t)(tmp >> 24); - dp[1] = (uint8_t)(tmp >> 16); - dp[2] = (uint8_t)(tmp >> 8); - dp[3] = (uint8_t)tmp; - sp += 4; - dp += 4; - } - if(d2 != 0) { - tmp1 = (JBIG2_GETDWORD(sp) << shift1) | ( - ((sp + 4) < lineSrc + lineLeft ? JBIG2_GETDWORD(sp + 4) : 0) >> shift2); - tmp2 = JBIG2_GETDWORD(dp); - switch(op) { - case JBIG2_COMPOSE_OR: - tmp = (tmp2 & ~maskR) | ((tmp1 | tmp2) & maskR); - break; - case JBIG2_COMPOSE_AND: - tmp = (tmp2 & ~maskR) | ((tmp1 & tmp2) & maskR); - break; - case JBIG2_COMPOSE_XOR: - tmp = (tmp2 & ~maskR) | ((tmp1 ^ tmp2) & maskR); - break; - case JBIG2_COMPOSE_XNOR: - tmp = (tmp2 & ~maskR) | ((~(tmp1 ^ tmp2)) & maskR); - break; - case JBIG2_COMPOSE_REPLACE: - tmp = (tmp2 & ~maskR) | (tmp1 & maskR); - break; - } - dp[0] = (uint8_t)(tmp >> 24); - dp[1] = (uint8_t)(tmp >> 16); - dp[2] = (uint8_t)(tmp >> 8); - dp[3] = (uint8_t)tmp; - } - lineSrc += m_nStride; - lineDst += pDst->m_nStride; - } - } else if(s1 == d1) { - middleDwords = (xd1 >> 5) - ((xd0 + 31) >> 5); - for(yy = yd0; yy < yd1; yy++) { - sp = lineSrc; - dp = lineDst; - if(d1 != 0) { - tmp1 = JBIG2_GETDWORD(sp); - tmp2 = JBIG2_GETDWORD(dp); - switch(op) { - case JBIG2_COMPOSE_OR: - tmp = (tmp2 & ~maskL) | ((tmp1 | tmp2) & maskL); - break; - case JBIG2_COMPOSE_AND: - tmp = (tmp2 & ~maskL) | ((tmp1 & tmp2) & maskL); - break; - case JBIG2_COMPOSE_XOR: - tmp = (tmp2 & ~maskL) | ((tmp1 ^ tmp2) & maskL); - break; - case JBIG2_COMPOSE_XNOR: - tmp = (tmp2 & ~maskL) | ((~(tmp1 ^ tmp2)) & maskL); - break; - case JBIG2_COMPOSE_REPLACE: - tmp = (tmp2 & ~maskL) | (tmp1 & maskL); - break; - } - dp[0] = (uint8_t)(tmp >> 24); - dp[1] = (uint8_t)(tmp >> 16); - dp[2] = (uint8_t)(tmp >> 8); - dp[3] = (uint8_t)tmp; - sp += 4; - dp += 4; - } - for(xx = 0; xx < middleDwords; xx++) { - tmp1 = JBIG2_GETDWORD(sp); - tmp2 = JBIG2_GETDWORD(dp); - switch(op) { - case JBIG2_COMPOSE_OR: - tmp = tmp1 | tmp2; - break; - case JBIG2_COMPOSE_AND: - tmp = tmp1 & tmp2; - break; - case JBIG2_COMPOSE_XOR: - tmp = tmp1 ^ tmp2; - break; - case JBIG2_COMPOSE_XNOR: - tmp = ~(tmp1 ^ tmp2); - break; - case JBIG2_COMPOSE_REPLACE: - tmp = tmp1; - break; - } - dp[0] = (uint8_t)(tmp >> 24); - dp[1] = (uint8_t)(tmp >> 16); - dp[2] = (uint8_t)(tmp >> 8); - dp[3] = (uint8_t)tmp; - sp += 4; - dp += 4; - } - if(d2 != 0) { - tmp1 = JBIG2_GETDWORD(sp); - tmp2 = JBIG2_GETDWORD(dp); - switch(op) { - case JBIG2_COMPOSE_OR: - tmp = (tmp2 & ~maskR) | ((tmp1 | tmp2) & maskR); - break; - case JBIG2_COMPOSE_AND: - tmp = (tmp2 & ~maskR) | ((tmp1 & tmp2) & maskR); - break; - case JBIG2_COMPOSE_XOR: - tmp = (tmp2 & ~maskR) | ((tmp1 ^ tmp2) & maskR); - break; - case JBIG2_COMPOSE_XNOR: - tmp = (tmp2 & ~maskR) | ((~(tmp1 ^ tmp2)) & maskR); - break; - case JBIG2_COMPOSE_REPLACE: - tmp = (tmp2 & ~maskR) | (tmp1 & maskR); - break; - } - dp[0] = (uint8_t)(tmp >> 24); - dp[1] = (uint8_t)(tmp >> 16); - dp[2] = (uint8_t)(tmp >> 8); - dp[3] = (uint8_t)tmp; - } - lineSrc += m_nStride; - lineDst += pDst->m_nStride; - } - } else { - shift1 = d1 - s1; - shift2 = 32 - shift1; - middleDwords = (xd1 >> 5) - ((xd0 + 31) >> 5); - for(yy = yd0; yy < yd1; yy++) { - sp = lineSrc; - dp = lineDst; - if(d1 != 0) { - tmp1 = JBIG2_GETDWORD(sp) >> shift1; - tmp2 = JBIG2_GETDWORD(dp); - switch(op) { - case JBIG2_COMPOSE_OR: - tmp = (tmp2 & ~maskL) | ((tmp1 | tmp2) & maskL); - break; - case JBIG2_COMPOSE_AND: - tmp = (tmp2 & ~maskL) | ((tmp1 & tmp2) & maskL); - break; - case JBIG2_COMPOSE_XOR: - tmp = (tmp2 & ~maskL) | ((tmp1 ^ tmp2) & maskL); - break; - case JBIG2_COMPOSE_XNOR: - tmp = (tmp2 & ~maskL) | ((~(tmp1 ^ tmp2)) & maskL); - break; - case JBIG2_COMPOSE_REPLACE: - tmp = (tmp2 & ~maskL) | (tmp1 & maskL); - break; - } - dp[0] = (uint8_t)(tmp >> 24); - dp[1] = (uint8_t)(tmp >> 16); - dp[2] = (uint8_t)(tmp >> 8); - dp[3] = (uint8_t)tmp; - dp += 4; - } - for(xx = 0; xx < middleDwords; xx++) { - tmp1 = (JBIG2_GETDWORD(sp) << shift2) | ((JBIG2_GETDWORD(sp + 4)) >> shift1); - tmp2 = JBIG2_GETDWORD(dp); - switch(op) { - case JBIG2_COMPOSE_OR: - tmp = tmp1 | tmp2; - break; - case JBIG2_COMPOSE_AND: - tmp = tmp1 & tmp2; - break; - case JBIG2_COMPOSE_XOR: - tmp = tmp1 ^ tmp2; - break; - case JBIG2_COMPOSE_XNOR: - tmp = ~(tmp1 ^ tmp2); - break; - case JBIG2_COMPOSE_REPLACE: - tmp = tmp1; - break; - } - dp[0] = (uint8_t)(tmp >> 24); - dp[1] = (uint8_t)(tmp >> 16); - dp[2] = (uint8_t)(tmp >> 8); - dp[3] = (uint8_t)tmp; - sp += 4; - dp += 4; - } - if(d2 != 0) { - tmp1 = (JBIG2_GETDWORD(sp) << shift2) | ( - ((sp + 4) < lineSrc + lineLeft ? JBIG2_GETDWORD(sp + 4) : 0) >> shift1); - tmp2 = JBIG2_GETDWORD(dp); - switch(op) { - case JBIG2_COMPOSE_OR: - tmp = (tmp2 & ~maskR) | ((tmp1 | tmp2) & maskR); - break; - case JBIG2_COMPOSE_AND: - tmp = (tmp2 & ~maskR) | ((tmp1 & tmp2) & maskR); - break; - case JBIG2_COMPOSE_XOR: - tmp = (tmp2 & ~maskR) | ((tmp1 ^ tmp2) & maskR); - break; - case JBIG2_COMPOSE_XNOR: - tmp = (tmp2 & ~maskR) | ((~(tmp1 ^ tmp2)) & maskR); - break; - case JBIG2_COMPOSE_REPLACE: - tmp = (tmp2 & ~maskR) | (tmp1 & maskR); - break; - } - dp[0] = (uint8_t)(tmp >> 24); - dp[1] = (uint8_t)(tmp >> 16); - dp[2] = (uint8_t)(tmp >> 8); - dp[3] = (uint8_t)tmp; - } - lineSrc += m_nStride; - lineDst += pDst->m_nStride; - } + shift1 = d1 - s1; + shift2 = 32 - shift1; + middleDwords = (xd1 >> 5) - ((xd0 + 31) >> 5); + for (yy = yd0; yy < yd1; yy++) { + sp = lineSrc; + dp = lineDst; + if (d1 != 0) { + tmp1 = JBIG2_GETDWORD(sp) >> shift1; + tmp2 = JBIG2_GETDWORD(dp); + switch (op) { + case JBIG2_COMPOSE_OR: + tmp = (tmp2 & ~maskL) | ((tmp1 | tmp2) & maskL); + break; + case JBIG2_COMPOSE_AND: + tmp = (tmp2 & ~maskL) | ((tmp1 & tmp2) & maskL); + break; + case JBIG2_COMPOSE_XOR: + tmp = (tmp2 & ~maskL) | ((tmp1 ^ tmp2) & maskL); + break; + case JBIG2_COMPOSE_XNOR: + tmp = (tmp2 & ~maskL) | ((~(tmp1 ^ tmp2)) & maskL); + break; + case JBIG2_COMPOSE_REPLACE: + tmp = (tmp2 & ~maskL) | (tmp1 & maskL); + break; + } + dp[0] = (uint8_t)(tmp >> 24); + dp[1] = (uint8_t)(tmp >> 16); + dp[2] = (uint8_t)(tmp >> 8); + dp[3] = (uint8_t)tmp; + dp += 4; + } + for (xx = 0; xx < middleDwords; xx++) { + tmp1 = (JBIG2_GETDWORD(sp) << shift2) | + ((JBIG2_GETDWORD(sp + 4)) >> shift1); + tmp2 = JBIG2_GETDWORD(dp); + switch (op) { + case JBIG2_COMPOSE_OR: + tmp = tmp1 | tmp2; + break; + case JBIG2_COMPOSE_AND: + tmp = tmp1 & tmp2; + break; + case JBIG2_COMPOSE_XOR: + tmp = tmp1 ^ tmp2; + break; + case JBIG2_COMPOSE_XNOR: + tmp = ~(tmp1 ^ tmp2); + break; + case JBIG2_COMPOSE_REPLACE: + tmp = tmp1; + break; + } + dp[0] = (uint8_t)(tmp >> 24); + dp[1] = (uint8_t)(tmp >> 16); + dp[2] = (uint8_t)(tmp >> 8); + dp[3] = (uint8_t)tmp; + sp += 4; + dp += 4; + } + if (d2 != 0) { + tmp1 = + (JBIG2_GETDWORD(sp) << shift2) | + (((sp + 4) < lineSrc + lineLeft ? JBIG2_GETDWORD(sp + 4) : 0) >> + shift1); + tmp2 = JBIG2_GETDWORD(dp); + switch (op) { + case JBIG2_COMPOSE_OR: + tmp = (tmp2 & ~maskR) | ((tmp1 | tmp2) & maskR); + break; + case JBIG2_COMPOSE_AND: + tmp = (tmp2 & ~maskR) | ((tmp1 & tmp2) & maskR); + break; + case JBIG2_COMPOSE_XOR: + tmp = (tmp2 & ~maskR) | ((tmp1 ^ tmp2) & maskR); + break; + case JBIG2_COMPOSE_XNOR: + tmp = (tmp2 & ~maskR) | ((~(tmp1 ^ tmp2)) & maskR); + break; + case JBIG2_COMPOSE_REPLACE: + tmp = (tmp2 & ~maskR) | (tmp1 & maskR); + break; + } + dp[0] = (uint8_t)(tmp >> 24); + dp[1] = (uint8_t)(tmp >> 16); + dp[2] = (uint8_t)(tmp >> 8); + dp[3] = (uint8_t)tmp; } + lineSrc += m_nStride; + lineDst += pDst->m_nStride; + } } - return 1; + } + return 1; } diff --git a/core/src/fxcodec/jbig2/JBig2_Image.h b/core/src/fxcodec/jbig2/JBig2_Image.h index 423bebcede..47215eaa3d 100644 --- a/core/src/fxcodec/jbig2/JBig2_Image.h +++ b/core/src/fxcodec/jbig2/JBig2_Image.h @@ -1,7 +1,7 @@ // Copyright 2014 PDFium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. - + // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com #ifndef _JBIG2_IMAGE_H_ @@ -9,60 +9,85 @@ #include "JBig2_Define.h" #include "JBig2_Module.h" typedef enum { - JBIG2_COMPOSE_OR = 0, - JBIG2_COMPOSE_AND = 1, - JBIG2_COMPOSE_XOR = 2, - JBIG2_COMPOSE_XNOR = 3, - JBIG2_COMPOSE_REPLACE = 4 + JBIG2_COMPOSE_OR = 0, + JBIG2_COMPOSE_AND = 1, + JBIG2_COMPOSE_XOR = 2, + JBIG2_COMPOSE_XNOR = 3, + JBIG2_COMPOSE_REPLACE = 4 } JBig2ComposeOp; struct FX_RECT; -class CJBig2_Image : public CJBig2_Object -{ -public: - - CJBig2_Image(int32_t w, int32_t h); +class CJBig2_Image : public CJBig2_Object { + public: + CJBig2_Image(int32_t w, int32_t h); - CJBig2_Image(int32_t w, int32_t h, int32_t stride, uint8_t*pBuf); + CJBig2_Image(int32_t w, int32_t h, int32_t stride, uint8_t* pBuf); - CJBig2_Image(CJBig2_Image &im); + CJBig2_Image(CJBig2_Image& im); - ~CJBig2_Image(); + ~CJBig2_Image(); - FX_BOOL getPixel(int32_t x, int32_t y); + FX_BOOL getPixel(int32_t x, int32_t y); - int32_t setPixel(int32_t x, int32_t y, FX_BOOL v); + int32_t setPixel(int32_t x, int32_t y, FX_BOOL v); - void copyLine(int32_t hTo, int32_t hFrom); + void copyLine(int32_t hTo, int32_t hFrom); - void fill(FX_BOOL v); + void fill(FX_BOOL v); - FX_BOOL composeTo(CJBig2_Image *pDst, int32_t x, int32_t y, JBig2ComposeOp op); - FX_BOOL composeTo(CJBig2_Image *pDst, int32_t x, int32_t y, JBig2ComposeOp op, const FX_RECT* pSrcRect); + FX_BOOL composeTo(CJBig2_Image* pDst, + int32_t x, + int32_t y, + JBig2ComposeOp op); + FX_BOOL composeTo(CJBig2_Image* pDst, + int32_t x, + int32_t y, + JBig2ComposeOp op, + const FX_RECT* pSrcRect); - FX_BOOL composeTo_unopt(CJBig2_Image *pDst, int32_t x, int32_t y, JBig2ComposeOp op); + FX_BOOL composeTo_unopt(CJBig2_Image* pDst, + int32_t x, + int32_t y, + JBig2ComposeOp op); - FX_BOOL composeTo_opt(CJBig2_Image *pDst, int32_t x, int32_t y, JBig2ComposeOp op); + FX_BOOL composeTo_opt(CJBig2_Image* pDst, + int32_t x, + int32_t y, + JBig2ComposeOp op); - FX_BOOL composeTo_opt2(CJBig2_Image *pDst, int32_t x, int32_t y, JBig2ComposeOp op); - FX_BOOL composeTo_opt2(CJBig2_Image *pDst, int32_t x, int32_t y, JBig2ComposeOp op, const FX_RECT* pSrcRect); + FX_BOOL composeTo_opt2(CJBig2_Image* pDst, + int32_t x, + int32_t y, + JBig2ComposeOp op); + FX_BOOL composeTo_opt2(CJBig2_Image* pDst, + int32_t x, + int32_t y, + JBig2ComposeOp op, + const FX_RECT* pSrcRect); - FX_BOOL composeFrom(int32_t x, int32_t y, CJBig2_Image *pSrc, JBig2ComposeOp op); - FX_BOOL composeFrom(int32_t x, int32_t y, CJBig2_Image *pSrc, JBig2ComposeOp op, const FX_RECT* pSrcRect); - CJBig2_Image *subImage_unopt(int32_t x, int32_t y, int32_t w, int32_t h); + FX_BOOL composeFrom(int32_t x, + int32_t y, + CJBig2_Image* pSrc, + JBig2ComposeOp op); + FX_BOOL composeFrom(int32_t x, + int32_t y, + CJBig2_Image* pSrc, + JBig2ComposeOp op, + const FX_RECT* pSrcRect); + CJBig2_Image* subImage_unopt(int32_t x, int32_t y, int32_t w, int32_t h); - CJBig2_Image *subImage(int32_t x, int32_t y, int32_t w, int32_t h); + CJBig2_Image* subImage(int32_t x, int32_t y, int32_t w, int32_t h); - void expand(int32_t h, FX_BOOL v); -public: + void expand(int32_t h, FX_BOOL v); - int32_t m_nWidth; + public: + int32_t m_nWidth; - int32_t m_nHeight; + int32_t m_nHeight; - int32_t m_nStride; + int32_t m_nStride; - uint8_t *m_pData; + uint8_t* m_pData; - FX_BOOL m_bNeedFree; + FX_BOOL m_bNeedFree; }; #endif diff --git a/core/src/fxcodec/jbig2/JBig2_List.h b/core/src/fxcodec/jbig2/JBig2_List.h index 19f99dec3d..be2d7cb7e4 100644 --- a/core/src/fxcodec/jbig2/JBig2_List.h +++ b/core/src/fxcodec/jbig2/JBig2_List.h @@ -1,7 +1,7 @@ // Copyright 2014 PDFium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. - + // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com #ifndef _JBIG2_LIST_H_ @@ -9,59 +9,45 @@ #include "JBig2_Define.h" #include "JBig2_Object.h" template <class TYPE> -class CJBig2_List : public CJBig2_Object -{ -public: - - CJBig2_List(int32_t nSize = 8) - { - m_nSize = nSize; - m_pArray = (TYPE**)m_pModule->JBig2_Malloc2(sizeof(TYPE*), nSize); - m_nLength = 0; - } - - ~CJBig2_List() - { - clear(); - m_pModule->JBig2_Free(m_pArray); - } - - void clear() - { - int32_t i; - for(i = 0; i < m_nLength; i++) { - delete m_pArray[i]; - } - m_nLength = 0; +class CJBig2_List : public CJBig2_Object { + public: + CJBig2_List(int32_t nSize = 8) { + m_nSize = nSize; + m_pArray = (TYPE**)m_pModule->JBig2_Malloc2(sizeof(TYPE*), nSize); + m_nLength = 0; + } + + ~CJBig2_List() { + clear(); + m_pModule->JBig2_Free(m_pArray); + } + + void clear() { + int32_t i; + for (i = 0; i < m_nLength; i++) { + delete m_pArray[i]; } - - void addItem(TYPE *pItem) - { - if(m_nLength >= m_nSize) { - m_nSize += 8; - m_pArray = (TYPE**)m_pModule->JBig2_Realloc(m_pArray, sizeof(TYPE*)*m_nSize); - } - m_pArray[m_nLength++] = pItem; + m_nLength = 0; + } + + void addItem(TYPE* pItem) { + if (m_nLength >= m_nSize) { + m_nSize += 8; + m_pArray = + (TYPE**)m_pModule->JBig2_Realloc(m_pArray, sizeof(TYPE*) * m_nSize); } + m_pArray[m_nLength++] = pItem; + } + int32_t getLength() { return m_nLength; } - int32_t getLength() - { - return m_nLength; - } + TYPE* getAt(int32_t nIndex) { return m_pArray[nIndex]; } - TYPE *getAt(int32_t nIndex) - { - return m_pArray[nIndex]; - } + TYPE* getLast() { return m_pArray[m_nLength - 1]; } - TYPE *getLast() - { - return m_pArray[m_nLength - 1]; - } -private: - int32_t m_nSize; - TYPE **m_pArray; - int32_t m_nLength; + private: + int32_t m_nSize; + TYPE** m_pArray; + int32_t m_nLength; }; #endif diff --git a/core/src/fxcodec/jbig2/JBig2_Module.h b/core/src/fxcodec/jbig2/JBig2_Module.h index 5a96f4395e..c669afe696 100644 --- a/core/src/fxcodec/jbig2/JBig2_Module.h +++ b/core/src/fxcodec/jbig2/JBig2_Module.h @@ -1,33 +1,34 @@ // Copyright 2014 PDFium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. - + // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com #ifndef _JBIG2_MODULE_H_ #define _JBIG2_MODULE_H_ #include "JBig2_Define.h" -class CJBig2_Module -{ -public: - virtual ~CJBig2_Module() { } +class CJBig2_Module { + public: + virtual ~CJBig2_Module() {} - virtual void *JBig2_Malloc(FX_DWORD dwSize) = 0; + virtual void* JBig2_Malloc(FX_DWORD dwSize) = 0; - virtual void *JBig2_Malloc2(FX_DWORD num, FX_DWORD dwSize) = 0; + virtual void* JBig2_Malloc2(FX_DWORD num, FX_DWORD dwSize) = 0; - virtual void *JBig2_Malloc3(FX_DWORD num, FX_DWORD dwSize, FX_DWORD dwSize2) = 0; + virtual void* JBig2_Malloc3(FX_DWORD num, + FX_DWORD dwSize, + FX_DWORD dwSize2) = 0; - virtual void *JBig2_Realloc(void* pMem, FX_DWORD dwSize) = 0; + virtual void* JBig2_Realloc(void* pMem, FX_DWORD dwSize) = 0; - virtual void JBig2_Free(void* pMem) = 0; + virtual void JBig2_Free(void* pMem) = 0; - virtual void JBig2_Assert(int32_t nExpression) {}; + virtual void JBig2_Assert(int32_t nExpression){}; - virtual void JBig2_Error(const FX_CHAR* format, ...) {}; + virtual void JBig2_Error(const FX_CHAR* format, ...){}; - virtual void JBig2_Warn(const FX_CHAR* format, ...) {}; + virtual void JBig2_Warn(const FX_CHAR* format, ...){}; - virtual void JBig2_Log(const FX_CHAR* format, ...) {}; + virtual void JBig2_Log(const FX_CHAR* format, ...){}; }; #endif diff --git a/core/src/fxcodec/jbig2/JBig2_Object.cpp b/core/src/fxcodec/jbig2/JBig2_Object.cpp index 1429a91644..f1e894321c 100644 --- a/core/src/fxcodec/jbig2/JBig2_Object.cpp +++ b/core/src/fxcodec/jbig2/JBig2_Object.cpp @@ -1,72 +1,78 @@ // Copyright 2014 PDFium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. - + // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com #include "JBig2_Object.h" #include "JBig2_Module.h" -void *CJBig2_Object::operator new(size_t size, CJBig2_Module *pModule, const FX_CHAR* filename, int line) -{ - CJBig2_Object *p; - p = (CJBig2_Object *)pModule->JBig2_Malloc((FX_DWORD)size); - p->m_pModule = pModule; - return p; +void* CJBig2_Object::operator new(size_t size, + CJBig2_Module* pModule, + const FX_CHAR* filename, + int line) { + CJBig2_Object* p; + p = (CJBig2_Object*)pModule->JBig2_Malloc((FX_DWORD)size); + p->m_pModule = pModule; + return p; } -void CJBig2_Object::operator delete(void *p, CJBig2_Module *pModule, const FX_CHAR* filename, int line) -{ - pModule->JBig2_Free(p); +void CJBig2_Object::operator delete(void* p, + CJBig2_Module* pModule, + const FX_CHAR* filename, + int line) { + pModule->JBig2_Free(p); } -void *CJBig2_Object::operator new(size_t size, CJBig2_Module *pModule) -{ - CJBig2_Object *p; - p = (CJBig2_Object *)pModule->JBig2_Malloc((FX_DWORD)size); - p->m_pModule = pModule; - return p; +void* CJBig2_Object::operator new(size_t size, CJBig2_Module* pModule) { + CJBig2_Object* p; + p = (CJBig2_Object*)pModule->JBig2_Malloc((FX_DWORD)size); + p->m_pModule = pModule; + return p; } -void CJBig2_Object::operator delete(void *p) -{ - ((CJBig2_Object *)p)->m_pModule->JBig2_Free(p); +void CJBig2_Object::operator delete(void* p) { + ((CJBig2_Object*)p)->m_pModule->JBig2_Free(p); } -void CJBig2_Object::operator delete(void *p, CJBig2_Module *pModule) -{ - pModule->JBig2_Free(p); +void CJBig2_Object::operator delete(void* p, CJBig2_Module* pModule) { + pModule->JBig2_Free(p); } -void *CJBig2_Object::operator new[](size_t size, CJBig2_Module *pModule, size_t unit_size, - const FX_CHAR* filename, int line) -{ - void *p; - uint8_t *pCur, *pEnd; - p = (uint8_t *)pModule->JBig2_Malloc((FX_DWORD)size); - pCur = (uint8_t *)p; - pEnd = pCur + size; - for(; pCur < pEnd; pCur += unit_size) { - ((CJBig2_Object *)pCur)->m_pModule = pModule; - } - return p; +void* CJBig2_Object::operator new[](size_t size, + CJBig2_Module* pModule, + size_t unit_size, + const FX_CHAR* filename, + int line) { + void* p; + uint8_t *pCur, *pEnd; + p = (uint8_t*)pModule->JBig2_Malloc((FX_DWORD)size); + pCur = (uint8_t*)p; + pEnd = pCur + size; + for (; pCur < pEnd; pCur += unit_size) { + ((CJBig2_Object*)pCur)->m_pModule = pModule; + } + return p; } -void CJBig2_Object::operator delete[](void *p, CJBig2_Module *pModule, size_t unit_size, - const FX_CHAR* filename, int line) -{ - pModule->JBig2_Free(p); +void CJBig2_Object::operator delete[](void* p, + CJBig2_Module* pModule, + size_t unit_size, + const FX_CHAR* filename, + int line) { + pModule->JBig2_Free(p); } -void *CJBig2_Object::operator new[](size_t size, CJBig2_Module *pModule, size_t unit_size) -{ - void *p; - uint8_t *pCur, *pEnd; - p = (uint8_t *)pModule->JBig2_Malloc((FX_DWORD)size); - pCur = (uint8_t *)p; - pEnd = pCur + size; - for(; pCur < pEnd; pCur += unit_size) { - ((CJBig2_Object *)pCur)->m_pModule = pModule; - } - return p; +void* CJBig2_Object::operator new[](size_t size, + CJBig2_Module* pModule, + size_t unit_size) { + void* p; + uint8_t *pCur, *pEnd; + p = (uint8_t*)pModule->JBig2_Malloc((FX_DWORD)size); + pCur = (uint8_t*)p; + pEnd = pCur + size; + for (; pCur < pEnd; pCur += unit_size) { + ((CJBig2_Object*)pCur)->m_pModule = pModule; + } + return p; } -void CJBig2_Object::operator delete[](void* p) -{ - ((CJBig2_Object *)p)->m_pModule->JBig2_Free(p); +void CJBig2_Object::operator delete[](void* p) { + ((CJBig2_Object*)p)->m_pModule->JBig2_Free(p); } -void CJBig2_Object::operator delete[](void *p, CJBig2_Module *pModule, size_t unit_size) -{ - pModule->JBig2_Free(p); +void CJBig2_Object::operator delete[](void* p, + CJBig2_Module* pModule, + size_t unit_size) { + pModule->JBig2_Free(p); } diff --git a/core/src/fxcodec/jbig2/JBig2_Object.h b/core/src/fxcodec/jbig2/JBig2_Object.h index 150a8e7e99..bab1a16231 100644 --- a/core/src/fxcodec/jbig2/JBig2_Object.h +++ b/core/src/fxcodec/jbig2/JBig2_Object.h @@ -1,7 +1,7 @@ // Copyright 2014 PDFium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. - + // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com #ifndef _JBIG2_OBJECT_H_ @@ -9,35 +9,47 @@ #include "JBig2_Define.h" class CJBig2_Module; #define _JBIG2_NO_EXPECTION_ -class CJBig2_Object -{ -public: - - void *operator new(size_t size, CJBig2_Module *pModule, const FX_CHAR* filename, int line); +class CJBig2_Object { + public: + void* operator new(size_t size, + CJBig2_Module* pModule, + const FX_CHAR* filename, + int line); - void operator delete(void *p, CJBig2_Module *pModule, const FX_CHAR* filename, int line); + void operator delete(void* p, + CJBig2_Module* pModule, + const FX_CHAR* filename, + int line); - void *operator new(size_t size, CJBig2_Module *pModule); + void* operator new(size_t size, CJBig2_Module* pModule); - void operator delete(void *p); + void operator delete(void* p); - void operator delete(void *p, CJBig2_Module *pModule); + void operator delete(void* p, CJBig2_Module* pModule); - void *operator new[](size_t size, CJBig2_Module *pModule, size_t unit_size, - const FX_CHAR* filename, int line); + void* operator new[](size_t size, + CJBig2_Module* pModule, + size_t unit_size, + const FX_CHAR* filename, + int line); - void operator delete[](void *p, CJBig2_Module *pModule, size_t unit_size, - const FX_CHAR* filename, int line); + void operator delete[](void* p, + CJBig2_Module* pModule, + size_t unit_size, + const FX_CHAR* filename, + int line); - void *operator new[](size_t size, CJBig2_Module *pModule, size_t unit_size); + void* operator new[](size_t size, CJBig2_Module* pModule, size_t unit_size); - void operator delete[](void* p); + void operator delete[](void* p); - void operator delete[](void *p, CJBig2_Module *pModule, size_t unit_size); -public: + void operator delete[](void* p, CJBig2_Module* pModule, size_t unit_size); - CJBig2_Module *m_pModule; + public: + CJBig2_Module* m_pModule; }; -#define JBIG2_NEW new(m_pModule) -#define JBIG2_ALLOC(p, a) p = JBIG2_NEW a; p->m_pModule = m_pModule; +#define JBIG2_NEW new (m_pModule) +#define JBIG2_ALLOC(p, a) \ + p = JBIG2_NEW a; \ + p->m_pModule = m_pModule; #endif diff --git a/core/src/fxcodec/jbig2/JBig2_Page.h b/core/src/fxcodec/jbig2/JBig2_Page.h index b07eba8a3a..5b2fa69678 100644 --- a/core/src/fxcodec/jbig2/JBig2_Page.h +++ b/core/src/fxcodec/jbig2/JBig2_Page.h @@ -1,19 +1,17 @@ // Copyright 2014 PDFium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. - + // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com #ifndef _JBIG2_PAGE_H_ #define _JBIG2_PAGE_H_ #include "JBig2_Image.h" struct JBig2PageInfo : public CJBig2_Object { - FX_DWORD m_dwWidth, - m_dwHeight; - FX_DWORD m_dwResolutionX, - m_dwResolutionY; - uint8_t m_cFlags; - FX_BOOL m_bIsStriped; - FX_WORD m_wMaxStripeSize; + FX_DWORD m_dwWidth, m_dwHeight; + FX_DWORD m_dwResolutionX, m_dwResolutionY; + uint8_t m_cFlags; + FX_BOOL m_bIsStriped; + FX_WORD m_wMaxStripeSize; }; #endif diff --git a/core/src/fxcodec/jbig2/JBig2_PatternDict.cpp b/core/src/fxcodec/jbig2/JBig2_PatternDict.cpp index df45288812..3469c36847 100644 --- a/core/src/fxcodec/jbig2/JBig2_PatternDict.cpp +++ b/core/src/fxcodec/jbig2/JBig2_PatternDict.cpp @@ -1,22 +1,20 @@ // Copyright 2014 PDFium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. - + // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com #include "JBig2_PatternDict.h" -CJBig2_PatternDict::CJBig2_PatternDict() -{ - NUMPATS = 0; - HDPATS = NULL; +CJBig2_PatternDict::CJBig2_PatternDict() { + NUMPATS = 0; + HDPATS = NULL; } -CJBig2_PatternDict::~CJBig2_PatternDict() -{ - if(HDPATS) { - for(FX_DWORD i = 0; i < NUMPATS; i++) { - delete HDPATS[i]; - } - m_pModule->JBig2_Free(HDPATS); +CJBig2_PatternDict::~CJBig2_PatternDict() { + if (HDPATS) { + for (FX_DWORD i = 0; i < NUMPATS; i++) { + delete HDPATS[i]; } + m_pModule->JBig2_Free(HDPATS); + } } diff --git a/core/src/fxcodec/jbig2/JBig2_PatternDict.h b/core/src/fxcodec/jbig2/JBig2_PatternDict.h index b75cbde999..fd39bfd20b 100644 --- a/core/src/fxcodec/jbig2/JBig2_PatternDict.h +++ b/core/src/fxcodec/jbig2/JBig2_PatternDict.h @@ -1,22 +1,21 @@ // Copyright 2014 PDFium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. - + // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com #ifndef _JBIG2_PATTERN_DICT_H_ #define _JBIG2_PATTERN_DICT_H_ #include "JBig2_Define.h" #include "JBig2_Image.h" -class CJBig2_PatternDict : public CJBig2_Object -{ -public: +class CJBig2_PatternDict : public CJBig2_Object { + public: + CJBig2_PatternDict(); - CJBig2_PatternDict(); + ~CJBig2_PatternDict(); - ~CJBig2_PatternDict(); -public: - FX_DWORD NUMPATS; - CJBig2_Image **HDPATS; + public: + FX_DWORD NUMPATS; + CJBig2_Image** HDPATS; }; #endif diff --git a/core/src/fxcodec/jbig2/JBig2_Segment.cpp b/core/src/fxcodec/jbig2/JBig2_Segment.cpp index b7eed35987..afbf71a3df 100644 --- a/core/src/fxcodec/jbig2/JBig2_Segment.cpp +++ b/core/src/fxcodec/jbig2/JBig2_Segment.cpp @@ -1,53 +1,49 @@ // Copyright 2014 PDFium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. - + // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com #include "JBig2_Segment.h" -CJBig2_Segment::CJBig2_Segment() -{ - init(); +CJBig2_Segment::CJBig2_Segment() { + init(); } -CJBig2_Segment::~CJBig2_Segment() -{ - clean(); +CJBig2_Segment::~CJBig2_Segment() { + clean(); } -void CJBig2_Segment::init() -{ - m_dwNumber = 0; - m_cFlags.c = 0; - m_nReferred_to_segment_count = 0; - m_pReferred_to_segment_numbers = NULL; - m_dwPage_association = 0; - m_dwData_length = 0; - m_dwHeader_Length = 0; - m_pData = NULL; - m_State = JBIG2_SEGMENT_HEADER_UNPARSED; - m_nResultType = JBIG2_VOID_POINTER; - m_Result.vd = NULL; +void CJBig2_Segment::init() { + m_dwNumber = 0; + m_cFlags.c = 0; + m_nReferred_to_segment_count = 0; + m_pReferred_to_segment_numbers = NULL; + m_dwPage_association = 0; + m_dwData_length = 0; + m_dwHeader_Length = 0; + m_pData = NULL; + m_State = JBIG2_SEGMENT_HEADER_UNPARSED; + m_nResultType = JBIG2_VOID_POINTER; + m_Result.vd = NULL; } -void CJBig2_Segment::clean() -{ - if(m_pReferred_to_segment_numbers) { - m_pModule->JBig2_Free(m_pReferred_to_segment_numbers); - } - if(m_Result.vd) { - switch(m_nResultType) { - case JBIG2_IMAGE_POINTER: - delete m_Result.im; - break; - case JBIG2_SYMBOL_DICT_POINTER: - delete m_Result.sd; - break; - case JBIG2_PATTERN_DICT_POINTER: - delete m_Result.pd; - break; - case JBIG2_HUFFMAN_TABLE_POINTER: - delete m_Result.ht; - break; - default: - m_pModule->JBig2_Free(m_Result.vd); - } +void CJBig2_Segment::clean() { + if (m_pReferred_to_segment_numbers) { + m_pModule->JBig2_Free(m_pReferred_to_segment_numbers); + } + if (m_Result.vd) { + switch (m_nResultType) { + case JBIG2_IMAGE_POINTER: + delete m_Result.im; + break; + case JBIG2_SYMBOL_DICT_POINTER: + delete m_Result.sd; + break; + case JBIG2_PATTERN_DICT_POINTER: + delete m_Result.pd; + break; + case JBIG2_HUFFMAN_TABLE_POINTER: + delete m_Result.ht; + break; + default: + m_pModule->JBig2_Free(m_Result.vd); } + } } diff --git a/core/src/fxcodec/jbig2/JBig2_Segment.h b/core/src/fxcodec/jbig2/JBig2_Segment.h index b61e8e5075..c9c6d59cd7 100644 --- a/core/src/fxcodec/jbig2/JBig2_Segment.h +++ b/core/src/fxcodec/jbig2/JBig2_Segment.h @@ -1,7 +1,7 @@ // Copyright 2014 PDFium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. - + // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com #ifndef _JBIG2_SEGMENT_H_ @@ -11,58 +11,58 @@ #include "JBig2_PatternDict.h" #include "JBig2_Module.h" #include "JBig2_HuffmanTable.h" -#define JBIG2_GET_INT32(buf) (((buf)[0]<<24) | ((buf)[1]<<16) | ((buf)[2]<<8) | (buf)[3]) -#define JBIG2_GET_INT16(buf) (((buf)[0]<<8) | (buf)[1]) +#define JBIG2_GET_INT32(buf) \ + (((buf)[0] << 24) | ((buf)[1] << 16) | ((buf)[2] << 8) | (buf)[3]) +#define JBIG2_GET_INT16(buf) (((buf)[0] << 8) | (buf)[1]) typedef enum { - JBIG2_SEGMENT_HEADER_UNPARSED, - JBIG2_SEGMENT_DATA_UNPARSED, - JBIG2_SEGMENT_PARSE_COMPLETE, - JBIG2_SEGMENT_PAUSED, - JBIG2_SEGMENT_ERROR + JBIG2_SEGMENT_HEADER_UNPARSED, + JBIG2_SEGMENT_DATA_UNPARSED, + JBIG2_SEGMENT_PARSE_COMPLETE, + JBIG2_SEGMENT_PAUSED, + JBIG2_SEGMENT_ERROR } JBig2_SegmentState; typedef enum { - JBIG2_VOID_POINTER = 0, - JBIG2_IMAGE_POINTER, - JBIG2_SYMBOL_DICT_POINTER, - JBIG2_PATTERN_DICT_POINTER, - JBIG2_HUFFMAN_TABLE_POINTER + JBIG2_VOID_POINTER = 0, + JBIG2_IMAGE_POINTER, + JBIG2_SYMBOL_DICT_POINTER, + JBIG2_PATTERN_DICT_POINTER, + JBIG2_HUFFMAN_TABLE_POINTER } JBig2_ResultType; -class CJBig2_Segment : public CJBig2_Object -{ -public: +class CJBig2_Segment : public CJBig2_Object { + public: + CJBig2_Segment(); - CJBig2_Segment(); + ~CJBig2_Segment(); - ~CJBig2_Segment(); + void init(); - void init(); + void clean(); - void clean(); -public: - FX_DWORD m_dwNumber; - union { - struct { - uint8_t type : 6; - uint8_t page_association_size : 1; - uint8_t deferred_non_retain : 1; - } s; - uint8_t c; - } m_cFlags; - int32_t m_nReferred_to_segment_count; - FX_DWORD * m_pReferred_to_segment_numbers; - FX_DWORD m_dwPage_association; - FX_DWORD m_dwData_length; + public: + FX_DWORD m_dwNumber; + union { + struct { + uint8_t type : 6; + uint8_t page_association_size : 1; + uint8_t deferred_non_retain : 1; + } s; + uint8_t c; + } m_cFlags; + int32_t m_nReferred_to_segment_count; + FX_DWORD* m_pReferred_to_segment_numbers; + FX_DWORD m_dwPage_association; + FX_DWORD m_dwData_length; - FX_DWORD m_dwHeader_Length; - uint8_t *m_pData; - JBig2_SegmentState m_State; - JBig2_ResultType m_nResultType; - union { - CJBig2_SymbolDict *sd; - CJBig2_PatternDict *pd; - CJBig2_Image *im; - CJBig2_HuffmanTable *ht; - void* vd; - } m_Result; + FX_DWORD m_dwHeader_Length; + uint8_t* m_pData; + JBig2_SegmentState m_State; + JBig2_ResultType m_nResultType; + union { + CJBig2_SymbolDict* sd; + CJBig2_PatternDict* pd; + CJBig2_Image* im; + CJBig2_HuffmanTable* ht; + void* vd; + } m_Result; }; #endif diff --git a/core/src/fxcodec/jbig2/JBig2_SymbolDict.cpp b/core/src/fxcodec/jbig2/JBig2_SymbolDict.cpp index 0e5b92ff5a..2287b91840 100644 --- a/core/src/fxcodec/jbig2/JBig2_SymbolDict.cpp +++ b/core/src/fxcodec/jbig2/JBig2_SymbolDict.cpp @@ -1,56 +1,50 @@ // Copyright 2014 PDFium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. - + // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com #include "JBig2_SymbolDict.h" -CJBig2_SymbolDict::CJBig2_SymbolDict() -{ - SDNUMEXSYMS = 0; - SDEXSYMS = NULL; - m_bContextRetained = FALSE; - m_gbContext = m_grContext = NULL; +CJBig2_SymbolDict::CJBig2_SymbolDict() { + SDNUMEXSYMS = 0; + SDEXSYMS = NULL; + m_bContextRetained = FALSE; + m_gbContext = m_grContext = NULL; } -CJBig2_SymbolDict *CJBig2_SymbolDict::DeepCopy() -{ - CJBig2_SymbolDict *dst = NULL; - CJBig2_SymbolDict *src = this; - if (src->m_bContextRetained || - src->m_gbContext || - src->m_grContext) { - return NULL; - } - JBIG2_ALLOC(dst, CJBig2_SymbolDict()); - dst->SDNUMEXSYMS = src->SDNUMEXSYMS; - dst->SDEXSYMS = (CJBig2_Image**)m_pModule->JBig2_Malloc2( - sizeof(CJBig2_Image*), src->SDNUMEXSYMS); - for(FX_DWORD i = 0; i < src->SDNUMEXSYMS; i++) { - if (src->SDEXSYMS[i]) { - JBIG2_ALLOC(dst->SDEXSYMS[i], - CJBig2_Image(*(src->SDEXSYMS[i]))); - } else { - dst->SDEXSYMS[i] = NULL; - } +CJBig2_SymbolDict* CJBig2_SymbolDict::DeepCopy() { + CJBig2_SymbolDict* dst = NULL; + CJBig2_SymbolDict* src = this; + if (src->m_bContextRetained || src->m_gbContext || src->m_grContext) { + return NULL; + } + JBIG2_ALLOC(dst, CJBig2_SymbolDict()); + dst->SDNUMEXSYMS = src->SDNUMEXSYMS; + dst->SDEXSYMS = (CJBig2_Image**)m_pModule->JBig2_Malloc2( + sizeof(CJBig2_Image*), src->SDNUMEXSYMS); + for (FX_DWORD i = 0; i < src->SDNUMEXSYMS; i++) { + if (src->SDEXSYMS[i]) { + JBIG2_ALLOC(dst->SDEXSYMS[i], CJBig2_Image(*(src->SDEXSYMS[i]))); + } else { + dst->SDEXSYMS[i] = NULL; } - return dst; + } + return dst; } -CJBig2_SymbolDict::~CJBig2_SymbolDict() -{ - if(SDEXSYMS) { - for(FX_DWORD i = 0; i < SDNUMEXSYMS; i++) { - delete SDEXSYMS[i]; - } - m_pModule->JBig2_Free(SDEXSYMS); +CJBig2_SymbolDict::~CJBig2_SymbolDict() { + if (SDEXSYMS) { + for (FX_DWORD i = 0; i < SDNUMEXSYMS; i++) { + delete SDEXSYMS[i]; + } + m_pModule->JBig2_Free(SDEXSYMS); + } + if (m_bContextRetained) { + if (m_gbContext) { + m_pModule->JBig2_Free(m_gbContext); } - if(m_bContextRetained) { - if(m_gbContext) { - m_pModule->JBig2_Free(m_gbContext); - } - if(m_grContext) { - m_pModule->JBig2_Free(m_grContext); - } + if (m_grContext) { + m_pModule->JBig2_Free(m_grContext); } + } } diff --git a/core/src/fxcodec/jbig2/JBig2_SymbolDict.h b/core/src/fxcodec/jbig2/JBig2_SymbolDict.h index 9156e30ea8..1a074415bf 100644 --- a/core/src/fxcodec/jbig2/JBig2_SymbolDict.h +++ b/core/src/fxcodec/jbig2/JBig2_SymbolDict.h @@ -1,7 +1,7 @@ // Copyright 2014 PDFium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. - + // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com #ifndef _JBIG2_SYMBOL_DICT_H_ @@ -9,18 +9,16 @@ #include "JBig2_Define.h" #include "JBig2_ArithDecoder.h" #include "JBig2_Image.h" -class CJBig2_SymbolDict : public CJBig2_Object -{ -public: +class CJBig2_SymbolDict : public CJBig2_Object { + public: + CJBig2_SymbolDict(); + CJBig2_SymbolDict* DeepCopy(); + ~CJBig2_SymbolDict(); - CJBig2_SymbolDict(); - CJBig2_SymbolDict *DeepCopy(); - ~CJBig2_SymbolDict(); -public: - FX_DWORD SDNUMEXSYMS; - CJBig2_Image **SDEXSYMS; - FX_BOOL m_bContextRetained; - JBig2ArithCtx *m_gbContext, - *m_grContext; + public: + FX_DWORD SDNUMEXSYMS; + CJBig2_Image** SDEXSYMS; + FX_BOOL m_bContextRetained; + JBig2ArithCtx *m_gbContext, *m_grContext; }; #endif diff --git a/core/src/fxcodec/lbmp/fx_bmp.cpp b/core/src/fxcodec/lbmp/fx_bmp.cpp index 7553ec7fac..98bcefdaba 100644 --- a/core/src/fxcodec/lbmp/fx_bmp.cpp +++ b/core/src/fxcodec/lbmp/fx_bmp.cpp @@ -5,913 +5,958 @@ // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
#include "fx_bmp.h"
-FX_DWORD _GetDWord_LSBFirst(uint8_t* p)
-{
- return p[0] | (p[1] << 8) | (p[2] << 16) | (p[3] << 24);
+FX_DWORD _GetDWord_LSBFirst(uint8_t* p) {
+ return p[0] | (p[1] << 8) | (p[2] << 16) | (p[3] << 24);
}
-FX_WORD _GetWord_LSBFirst(uint8_t* p)
-{
- return p[0] | (p[1] << 8);
+FX_WORD _GetWord_LSBFirst(uint8_t* p) {
+ return p[0] | (p[1] << 8);
}
-void _SetDWord_LSBFirst(uint8_t* p, FX_DWORD v)
-{
- p[0] = (uint8_t)v;
- p[1] = (uint8_t)(v >> 8);
- p[2] = (uint8_t)(v >> 16);
- p[3] = (uint8_t)(v >> 24);
+void _SetDWord_LSBFirst(uint8_t* p, FX_DWORD v) {
+ p[0] = (uint8_t)v;
+ p[1] = (uint8_t)(v >> 8);
+ p[2] = (uint8_t)(v >> 16);
+ p[3] = (uint8_t)(v >> 24);
}
-void _SetWord_LSBFirst(uint8_t* p, FX_WORD v)
-{
- p[0] = (uint8_t)v;
- p[1] = (uint8_t)(v >> 8);
+void _SetWord_LSBFirst(uint8_t* p, FX_WORD v) {
+ p[0] = (uint8_t)v;
+ p[1] = (uint8_t)(v >> 8);
}
-void _bmp_error(bmp_decompress_struct_p bmp_ptr, const FX_CHAR* err_msg)
-{
- if(bmp_ptr != NULL && bmp_ptr->_bmp_error_fn != NULL) {
- bmp_ptr->_bmp_error_fn(bmp_ptr, err_msg);
- }
+void _bmp_error(bmp_decompress_struct_p bmp_ptr, const FX_CHAR* err_msg) {
+ if (bmp_ptr != NULL && bmp_ptr->_bmp_error_fn != NULL) {
+ bmp_ptr->_bmp_error_fn(bmp_ptr, err_msg);
+ }
}
-bmp_decompress_struct_p _bmp_create_decompress()
-{
- bmp_decompress_struct_p bmp_ptr = FX_Alloc(bmp_decompress_struct, 1);
- if(bmp_ptr == NULL) {
- return NULL;
- }
- FXSYS_memset(bmp_ptr, 0, sizeof(bmp_decompress_struct));
- bmp_ptr->decode_status = BMP_D_STATUS_HEADER;
- bmp_ptr->bmp_header_ptr = FX_Alloc(BmpFileHeader, 1);
- return bmp_ptr;
+bmp_decompress_struct_p _bmp_create_decompress() {
+ bmp_decompress_struct_p bmp_ptr = FX_Alloc(bmp_decompress_struct, 1);
+ if (bmp_ptr == NULL) {
+ return NULL;
+ }
+ FXSYS_memset(bmp_ptr, 0, sizeof(bmp_decompress_struct));
+ bmp_ptr->decode_status = BMP_D_STATUS_HEADER;
+ bmp_ptr->bmp_header_ptr = FX_Alloc(BmpFileHeader, 1);
+ return bmp_ptr;
}
-void _bmp_destroy_decompress(bmp_decompress_struct_pp bmp_ptr_ptr)
-{
- if(bmp_ptr_ptr == NULL || *bmp_ptr_ptr == NULL) {
- return;
- }
- bmp_decompress_struct_p bmp_ptr = *bmp_ptr_ptr;
- *bmp_ptr_ptr = NULL;
- if(bmp_ptr->out_row_buffer != NULL) {
- FX_Free(bmp_ptr->out_row_buffer);
- }
- if(bmp_ptr->pal_ptr != NULL) {
- FX_Free(bmp_ptr->pal_ptr);
- }
- if(bmp_ptr->bmp_header_ptr != NULL) {
- FX_Free(bmp_ptr->bmp_header_ptr);
- }
- FX_Free(bmp_ptr);
+void _bmp_destroy_decompress(bmp_decompress_struct_pp bmp_ptr_ptr) {
+ if (bmp_ptr_ptr == NULL || *bmp_ptr_ptr == NULL) {
+ return;
+ }
+ bmp_decompress_struct_p bmp_ptr = *bmp_ptr_ptr;
+ *bmp_ptr_ptr = NULL;
+ if (bmp_ptr->out_row_buffer != NULL) {
+ FX_Free(bmp_ptr->out_row_buffer);
+ }
+ if (bmp_ptr->pal_ptr != NULL) {
+ FX_Free(bmp_ptr->pal_ptr);
+ }
+ if (bmp_ptr->bmp_header_ptr != NULL) {
+ FX_Free(bmp_ptr->bmp_header_ptr);
+ }
+ FX_Free(bmp_ptr);
}
-int32_t _bmp_read_header(bmp_decompress_struct_p bmp_ptr)
-{
- if(bmp_ptr == NULL) {
- return 0;
- }
- FX_DWORD skip_size_org = bmp_ptr->skip_size;
- if(bmp_ptr->decode_status == BMP_D_STATUS_HEADER) {
- ASSERT(sizeof(BmpFileHeader) == 14);
- BmpFileHeader* bmp_header_ptr = NULL;
- if(_bmp_read_data(bmp_ptr, (uint8_t**)&bmp_header_ptr, 14) == NULL) {
- return 2;
+int32_t _bmp_read_header(bmp_decompress_struct_p bmp_ptr) {
+ if (bmp_ptr == NULL) {
+ return 0;
+ }
+ FX_DWORD skip_size_org = bmp_ptr->skip_size;
+ if (bmp_ptr->decode_status == BMP_D_STATUS_HEADER) {
+ ASSERT(sizeof(BmpFileHeader) == 14);
+ BmpFileHeader* bmp_header_ptr = NULL;
+ if (_bmp_read_data(bmp_ptr, (uint8_t**)&bmp_header_ptr, 14) == NULL) {
+ return 2;
+ }
+ bmp_ptr->bmp_header_ptr->bfType =
+ _GetWord_LSBFirst((uint8_t*)&bmp_header_ptr->bfType);
+ bmp_ptr->bmp_header_ptr->bfOffBits =
+ _GetDWord_LSBFirst((uint8_t*)&bmp_header_ptr->bfOffBits);
+ bmp_ptr->data_size = _GetDWord_LSBFirst((uint8_t*)&bmp_header_ptr->bfSize);
+ if (bmp_ptr->bmp_header_ptr->bfType != BMP_SIGNATURE) {
+ _bmp_error(bmp_ptr, "Not A Bmp Image");
+ return 0;
+ }
+ if (bmp_ptr->avail_in < sizeof(FX_DWORD)) {
+ bmp_ptr->skip_size = skip_size_org;
+ return 2;
+ }
+ bmp_ptr->img_ifh_size =
+ _GetDWord_LSBFirst(bmp_ptr->next_in + bmp_ptr->skip_size);
+ bmp_ptr->pal_type = 0;
+ ASSERT(sizeof(BmpCoreHeader) == 12);
+ ASSERT(sizeof(BmpInfoHeader) == 40);
+ switch (bmp_ptr->img_ifh_size) {
+ case FX_MIN(12, sizeof(BmpCoreHeader)): {
+ bmp_ptr->pal_type = 1;
+ BmpCoreHeaderPtr bmp_core_header_ptr = NULL;
+ if (_bmp_read_data(bmp_ptr, (uint8_t**)&bmp_core_header_ptr,
+ bmp_ptr->img_ifh_size) == NULL) {
+ bmp_ptr->skip_size = skip_size_org;
+ return 2;
}
- bmp_ptr->bmp_header_ptr->bfType = _GetWord_LSBFirst((uint8_t*)&bmp_header_ptr->bfType);
- bmp_ptr->bmp_header_ptr->bfOffBits = _GetDWord_LSBFirst((uint8_t*)&bmp_header_ptr->bfOffBits);
- bmp_ptr->data_size = _GetDWord_LSBFirst((uint8_t*)&bmp_header_ptr->bfSize);
- if(bmp_ptr->bmp_header_ptr->bfType != BMP_SIGNATURE) {
- _bmp_error(bmp_ptr, "Not A Bmp Image");
- return 0;
+ bmp_ptr->width = (FX_DWORD)_GetWord_LSBFirst(
+ (uint8_t*)&bmp_core_header_ptr->bcWidth);
+ bmp_ptr->height = (FX_DWORD)_GetWord_LSBFirst(
+ (uint8_t*)&bmp_core_header_ptr->bcHeight);
+ bmp_ptr->bitCounts =
+ _GetWord_LSBFirst((uint8_t*)&bmp_core_header_ptr->bcBitCount);
+ bmp_ptr->compress_flag = BMP_RGB;
+ bmp_ptr->imgTB_flag = FALSE;
+ } break;
+ case FX_MIN(40, sizeof(BmpInfoHeader)): {
+ BmpInfoHeaderPtr bmp_info_header_ptr = NULL;
+ if (_bmp_read_data(bmp_ptr, (uint8_t**)&bmp_info_header_ptr,
+ bmp_ptr->img_ifh_size) == NULL) {
+ bmp_ptr->skip_size = skip_size_org;
+ return 2;
+ }
+ bmp_ptr->width =
+ _GetDWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biWidth);
+ bmp_ptr->height =
+ _GetDWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biHeight);
+ bmp_ptr->bitCounts =
+ _GetWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biBitCount);
+ bmp_ptr->compress_flag =
+ _GetDWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biCompression);
+ bmp_ptr->color_used =
+ _GetDWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biClrUsed);
+ bmp_ptr->dpi_x = (int32_t)_GetDWord_LSBFirst(
+ (uint8_t*)&bmp_info_header_ptr->biXPelsPerMeter);
+ bmp_ptr->dpi_y = (int32_t)_GetDWord_LSBFirst(
+ (uint8_t*)&bmp_info_header_ptr->biYPelsPerMeter);
+ if (bmp_ptr->height < 0) {
+ bmp_ptr->height = -bmp_ptr->height;
+ bmp_ptr->imgTB_flag = TRUE;
}
- if(bmp_ptr->avail_in < sizeof(FX_DWORD)) {
+ } break;
+ default: {
+ if (bmp_ptr->img_ifh_size > FX_MIN(40, sizeof(BmpInfoHeader))) {
+ BmpInfoHeaderPtr bmp_info_header_ptr = NULL;
+ if (_bmp_read_data(bmp_ptr, (uint8_t**)&bmp_info_header_ptr,
+ bmp_ptr->img_ifh_size) == NULL) {
bmp_ptr->skip_size = skip_size_org;
return 2;
+ }
+ FX_WORD biPlanes;
+ bmp_ptr->width =
+ _GetDWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biWidth);
+ bmp_ptr->height =
+ _GetDWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biHeight);
+ bmp_ptr->bitCounts =
+ _GetWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biBitCount);
+ bmp_ptr->compress_flag =
+ _GetDWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biCompression);
+ bmp_ptr->color_used =
+ _GetDWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biClrUsed);
+ biPlanes =
+ _GetWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biPlanes);
+ bmp_ptr->dpi_x = _GetDWord_LSBFirst(
+ (uint8_t*)&bmp_info_header_ptr->biXPelsPerMeter);
+ bmp_ptr->dpi_y = _GetDWord_LSBFirst(
+ (uint8_t*)&bmp_info_header_ptr->biYPelsPerMeter);
+ if (bmp_ptr->height < 0) {
+ bmp_ptr->height = -bmp_ptr->height;
+ bmp_ptr->imgTB_flag = TRUE;
+ }
+ if (bmp_ptr->compress_flag == BMP_RGB && biPlanes == 1 &&
+ bmp_ptr->color_used == 0) {
+ break;
+ }
+ }
+ _bmp_error(bmp_ptr, "Unsupported Bmp File");
+ return 0;
+ }
+ }
+ ASSERT(bmp_ptr->width > 0);
+ ASSERT(bmp_ptr->compress_flag <= BMP_BITFIELDS);
+ switch (bmp_ptr->bitCounts) {
+ case 1:
+ case 4:
+ case 8:
+ case 16:
+ case 24: {
+ if (bmp_ptr->color_used > ((FX_DWORD)1) << bmp_ptr->bitCounts) {
+ _bmp_error(bmp_ptr, "The Bmp File Is Corrupt");
+ return 0;
}
- bmp_ptr->img_ifh_size = _GetDWord_LSBFirst(bmp_ptr->next_in + bmp_ptr->skip_size);
- bmp_ptr->pal_type = 0;
- ASSERT(sizeof(BmpCoreHeader) == 12);
- ASSERT(sizeof(BmpInfoHeader) == 40);
- switch(bmp_ptr->img_ifh_size) {
- case FX_MIN(12, sizeof(BmpCoreHeader)): {
- bmp_ptr->pal_type = 1;
- BmpCoreHeaderPtr bmp_core_header_ptr = NULL;
- if(_bmp_read_data(bmp_ptr, (uint8_t**)&bmp_core_header_ptr, bmp_ptr->img_ifh_size) == NULL) {
- bmp_ptr->skip_size = skip_size_org;
- return 2;
- }
- bmp_ptr->width = (FX_DWORD)_GetWord_LSBFirst((uint8_t*)&bmp_core_header_ptr->bcWidth);
- bmp_ptr->height = (FX_DWORD)_GetWord_LSBFirst((uint8_t*)&bmp_core_header_ptr->bcHeight);
- bmp_ptr->bitCounts = _GetWord_LSBFirst((uint8_t*)&bmp_core_header_ptr->bcBitCount);
- bmp_ptr->compress_flag = BMP_RGB;
- bmp_ptr->imgTB_flag = FALSE;
- }
- break;
- case FX_MIN(40, sizeof(BmpInfoHeader)): {
- BmpInfoHeaderPtr bmp_info_header_ptr = NULL;
- if(_bmp_read_data(bmp_ptr, (uint8_t**)&bmp_info_header_ptr, bmp_ptr->img_ifh_size) == NULL) {
- bmp_ptr->skip_size = skip_size_org;
- return 2;
- }
- bmp_ptr->width = _GetDWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biWidth);
- bmp_ptr->height = _GetDWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biHeight);
- bmp_ptr->bitCounts = _GetWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biBitCount);
- bmp_ptr->compress_flag = _GetDWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biCompression);
- bmp_ptr->color_used = _GetDWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biClrUsed);
- bmp_ptr->dpi_x = (int32_t)_GetDWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biXPelsPerMeter);
- bmp_ptr->dpi_y = (int32_t)_GetDWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biYPelsPerMeter);
- if(bmp_ptr->height < 0) {
- bmp_ptr->height = -bmp_ptr->height;
- bmp_ptr->imgTB_flag = TRUE;
- }
- }
- break;
- default: {
- if(bmp_ptr->img_ifh_size > FX_MIN(40, sizeof(BmpInfoHeader))) {
- BmpInfoHeaderPtr bmp_info_header_ptr = NULL;
- if(_bmp_read_data(bmp_ptr, (uint8_t**)&bmp_info_header_ptr, bmp_ptr->img_ifh_size) == NULL) {
- bmp_ptr->skip_size = skip_size_org;
- return 2;
- }
- FX_WORD biPlanes;
- bmp_ptr->width = _GetDWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biWidth);
- bmp_ptr->height = _GetDWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biHeight);
- bmp_ptr->bitCounts = _GetWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biBitCount);
- bmp_ptr->compress_flag = _GetDWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biCompression);
- bmp_ptr->color_used = _GetDWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biClrUsed);
- biPlanes = _GetWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biPlanes);
- bmp_ptr->dpi_x = _GetDWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biXPelsPerMeter);
- bmp_ptr->dpi_y = _GetDWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biYPelsPerMeter);
- if(bmp_ptr->height < 0) {
- bmp_ptr->height = -bmp_ptr->height;
- bmp_ptr->imgTB_flag = TRUE;
- }
- if(bmp_ptr->compress_flag == BMP_RGB &&
- biPlanes == 1 &&
- bmp_ptr->color_used == 0) {
- break;
- }
- }
- _bmp_error(bmp_ptr, "Unsupported Bmp File");
- return 0;
- }
+ }
+ case 32: {
+ if (bmp_ptr->width <= 0 || bmp_ptr->compress_flag > BMP_BITFIELDS) {
+ _bmp_error(bmp_ptr, "The Bmp File Is Corrupt");
+ return 0;
}
- ASSERT(bmp_ptr->width > 0);
- ASSERT(bmp_ptr->compress_flag <= BMP_BITFIELDS);
- switch(bmp_ptr->bitCounts) {
- case 1:
- case 4:
- case 8:
- case 16:
- case 24: {
- if(bmp_ptr->color_used > ((FX_DWORD)1) << bmp_ptr->bitCounts) {
- _bmp_error(bmp_ptr, "The Bmp File Is Corrupt");
- return 0;
- }
- }
- case 32: {
- if(bmp_ptr->width <= 0 || bmp_ptr->compress_flag > BMP_BITFIELDS) {
- _bmp_error(bmp_ptr, "The Bmp File Is Corrupt");
- return 0;
- }
- }
- break;
- default:
- _bmp_error(bmp_ptr, "The Bmp File Is Corrupt");
- return 0;
+ } break;
+ default:
+ _bmp_error(bmp_ptr, "The Bmp File Is Corrupt");
+ return 0;
+ }
+ bmp_ptr->src_row_bytes = BMP_WIDTHBYTES(bmp_ptr->width, bmp_ptr->bitCounts);
+ switch (bmp_ptr->bitCounts) {
+ case 1:
+ case 4:
+ case 8:
+ bmp_ptr->out_row_bytes = BMP_WIDTHBYTES(bmp_ptr->width, 8);
+ bmp_ptr->components = 1;
+ break;
+ case 16:
+ case 24:
+ bmp_ptr->out_row_bytes = BMP_WIDTHBYTES(bmp_ptr->width, 24);
+ bmp_ptr->components = 3;
+ break;
+ case 32:
+ bmp_ptr->out_row_bytes = bmp_ptr->src_row_bytes;
+ bmp_ptr->components = 4;
+ break;
+ }
+ if (bmp_ptr->out_row_buffer != NULL) {
+ FX_Free(bmp_ptr->out_row_buffer);
+ bmp_ptr->out_row_buffer = NULL;
+ }
+ bmp_ptr->out_row_buffer = FX_Alloc(uint8_t, bmp_ptr->out_row_bytes);
+ BMP_PTR_NOT_NULL(bmp_ptr->out_row_buffer, bmp_ptr);
+ FXSYS_memset(bmp_ptr->out_row_buffer, 0, bmp_ptr->out_row_bytes);
+ _bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_PAL);
+ }
+ if (bmp_ptr->decode_status == BMP_D_STATUS_PAL) {
+ skip_size_org = bmp_ptr->skip_size;
+#ifdef BMP_SUPPORT_BITFIELD
+ if (bmp_ptr->compress_flag == BMP_BITFIELDS) {
+ if (bmp_ptr->bitCounts != 16 && bmp_ptr->bitCounts != 32) {
+ _bmp_error(bmp_ptr, "The Bmp File Is Corrupt");
+ return 0;
+ }
+ FX_DWORD* mask;
+ if (_bmp_read_data(bmp_ptr, (uint8_t**)&mask, 3 * sizeof(FX_DWORD)) ==
+ NULL) {
+ bmp_ptr->skip_size = skip_size_org;
+ return 2;
+ }
+ bmp_ptr->mask_red = _GetDWord_LSBFirst((uint8_t*)&mask[0]);
+ bmp_ptr->mask_green = _GetDWord_LSBFirst((uint8_t*)&mask[1]);
+ bmp_ptr->mask_blue = _GetDWord_LSBFirst((uint8_t*)&mask[2]);
+ if (bmp_ptr->mask_red & bmp_ptr->mask_green ||
+ bmp_ptr->mask_red & bmp_ptr->mask_blue ||
+ bmp_ptr->mask_green & bmp_ptr->mask_blue) {
+ _bmp_error(bmp_ptr, "The Bitfield Bmp File Is Corrupt");
+ return 0;
+ }
+ if (bmp_ptr->bmp_header_ptr->bfOffBits < 26 + bmp_ptr->img_ifh_size) {
+ bmp_ptr->bmp_header_ptr->bfOffBits = 26 + bmp_ptr->img_ifh_size;
+ }
+ _bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_DATA_PRE);
+ return 1;
+ } else if (bmp_ptr->bitCounts == 16) {
+ bmp_ptr->mask_red = 0x7C00;
+ bmp_ptr->mask_green = 0x03E0;
+ bmp_ptr->mask_blue = 0x001F;
+ }
+#else
+ if (bmp_ptr->compress_flag == BMP_BITFIELDS || bmp_ptr->bitCounts == 16) {
+ _bmp_error(bmp_ptr, "Unsupported Bitfield Bmp File");
+ return 0;
+ }
+#endif
+ bmp_ptr->pal_num = 0;
+ if (bmp_ptr->bitCounts < 16) {
+ bmp_ptr->pal_num = 1 << bmp_ptr->bitCounts;
+ if (bmp_ptr->color_used != 0) {
+ bmp_ptr->pal_num = bmp_ptr->color_used;
+ }
+ uint8_t* src_pal_ptr = NULL;
+ FX_DWORD src_pal_size = bmp_ptr->pal_num * (bmp_ptr->pal_type ? 3 : 4);
+ if (_bmp_read_data(bmp_ptr, (uint8_t**)&src_pal_ptr, src_pal_size) ==
+ NULL) {
+ bmp_ptr->skip_size = skip_size_org;
+ return 2;
+ }
+ if (bmp_ptr->pal_ptr != NULL) {
+ FX_Free(bmp_ptr->pal_ptr);
+ bmp_ptr->pal_ptr = NULL;
+ }
+ bmp_ptr->pal_ptr = FX_Alloc(FX_DWORD, bmp_ptr->pal_num);
+ BMP_PTR_NOT_NULL(bmp_ptr->pal_ptr, bmp_ptr);
+ int32_t src_pal_index = 0;
+ if (bmp_ptr->pal_type == BMP_PAL_OLD) {
+ while (src_pal_index < bmp_ptr->pal_num) {
+ bmp_ptr->pal_ptr[src_pal_index++] = BMP_PAL_ENCODE(
+ 0x00, src_pal_ptr[2], src_pal_ptr[1], src_pal_ptr[0]);
+ src_pal_ptr += 3;
}
- bmp_ptr->src_row_bytes = BMP_WIDTHBYTES(bmp_ptr->width, bmp_ptr->bitCounts);
- switch(bmp_ptr->bitCounts) {
- case 1:
- case 4:
- case 8:
- bmp_ptr->out_row_bytes = BMP_WIDTHBYTES(bmp_ptr->width, 8);
- bmp_ptr->components = 1;
- break;
- case 16:
- case 24:
- bmp_ptr->out_row_bytes = BMP_WIDTHBYTES(bmp_ptr->width, 24);
- bmp_ptr->components = 3;
- break;
- case 32:
- bmp_ptr->out_row_bytes = bmp_ptr->src_row_bytes;
- bmp_ptr->components = 4;
- break;
+ } else {
+ while (src_pal_index < bmp_ptr->pal_num) {
+ bmp_ptr->pal_ptr[src_pal_index++] = BMP_PAL_ENCODE(
+ src_pal_ptr[3], src_pal_ptr[2], src_pal_ptr[1], src_pal_ptr[0]);
+ src_pal_ptr += 4;
}
- if(bmp_ptr->out_row_buffer != NULL) {
- FX_Free(bmp_ptr->out_row_buffer);
- bmp_ptr->out_row_buffer = NULL;
+ }
+ }
+ if (bmp_ptr->bmp_header_ptr->bfOffBits <
+ 14 + bmp_ptr->img_ifh_size +
+ bmp_ptr->pal_num * (bmp_ptr->pal_type ? 3 : 4)) {
+ bmp_ptr->bmp_header_ptr->bfOffBits =
+ 14 + bmp_ptr->img_ifh_size +
+ bmp_ptr->pal_num * (bmp_ptr->pal_type ? 3 : 4);
+ }
+ _bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_DATA_PRE);
+ }
+ return 1;
+}
+int32_t _bmp_decode_image(bmp_decompress_struct_p bmp_ptr) {
+ if (bmp_ptr->decode_status == BMP_D_STATUS_DATA_PRE) {
+ bmp_ptr->avail_in = 0;
+ if (!bmp_ptr->_bmp_get_data_position_fn(
+ bmp_ptr, bmp_ptr->bmp_header_ptr->bfOffBits)) {
+ bmp_ptr->decode_status = BMP_D_STATUS_TAIL;
+ _bmp_error(bmp_ptr, "The Bmp File Is Corrupt, Unexpected Stream Offset");
+ return 0;
+ }
+ bmp_ptr->row_num = 0;
+ _bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_DATA);
+ }
+ if (bmp_ptr->decode_status == BMP_D_STATUS_DATA) {
+ switch (bmp_ptr->compress_flag) {
+ case BMP_RGB:
+ case BMP_BITFIELDS:
+ return _bmp_decode_rgb(bmp_ptr);
+ case BMP_RLE8:
+ return _bmp_decode_rle8(bmp_ptr);
+ case BMP_RLE4:
+ return _bmp_decode_rle4(bmp_ptr);
+ }
+ }
+ _bmp_error(bmp_ptr, "Any Uncontrol Error");
+ return 0;
+}
+int32_t _bmp_decode_rgb(bmp_decompress_struct_p bmp_ptr) {
+ uint8_t* row_buf = bmp_ptr->out_row_buffer;
+ uint8_t* des_buf = NULL;
+ while (bmp_ptr->row_num < bmp_ptr->height) {
+ if (_bmp_read_data(bmp_ptr, &des_buf, bmp_ptr->src_row_bytes) == NULL) {
+ return 2;
+ }
+ _bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_DATA);
+ switch (bmp_ptr->bitCounts) {
+ case 1: {
+ for (int32_t col = 0; col < bmp_ptr->width; col++) {
+ *row_buf++ = des_buf[col >> 3] & (0x80 >> (col % 8)) ? 0x01 : 0x00;
}
- bmp_ptr->out_row_buffer = FX_Alloc(uint8_t, bmp_ptr->out_row_bytes);
- BMP_PTR_NOT_NULL(bmp_ptr->out_row_buffer, bmp_ptr);
- FXSYS_memset(bmp_ptr->out_row_buffer, 0, bmp_ptr->out_row_bytes);
- _bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_PAL);
- }
- if (bmp_ptr->decode_status == BMP_D_STATUS_PAL) {
- skip_size_org = bmp_ptr->skip_size;
+ } break;
+ case 4: {
+ for (int32_t col = 0; col < bmp_ptr->width; col++) {
+ *row_buf++ = (col & 0x01) ? (des_buf[col >> 1] & 0x0F)
+ : ((des_buf[col >> 1] & 0xF0) >> 4);
+ }
+ } break;
#ifdef BMP_SUPPORT_BITFIELD
- if(bmp_ptr->compress_flag == BMP_BITFIELDS) {
- if(bmp_ptr->bitCounts != 16 && bmp_ptr->bitCounts != 32) {
- _bmp_error(bmp_ptr, "The Bmp File Is Corrupt");
- return 0;
- }
- FX_DWORD* mask;
- if(_bmp_read_data(bmp_ptr, (uint8_t**)&mask, 3 * sizeof(FX_DWORD)) == NULL) {
- bmp_ptr->skip_size = skip_size_org;
- return 2;
- }
- bmp_ptr->mask_red = _GetDWord_LSBFirst((uint8_t*)&mask[0]);
- bmp_ptr->mask_green = _GetDWord_LSBFirst((uint8_t*)&mask[1]);
- bmp_ptr->mask_blue = _GetDWord_LSBFirst((uint8_t*)&mask[2]);
- if(bmp_ptr->mask_red & bmp_ptr->mask_green ||
- bmp_ptr->mask_red & bmp_ptr->mask_blue ||
- bmp_ptr->mask_green & bmp_ptr->mask_blue) {
- _bmp_error(bmp_ptr, "The Bitfield Bmp File Is Corrupt");
- return 0;
- }
- if(bmp_ptr->bmp_header_ptr->bfOffBits < 26 + bmp_ptr->img_ifh_size) {
- bmp_ptr->bmp_header_ptr->bfOffBits = 26 + bmp_ptr->img_ifh_size;
- }
- _bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_DATA_PRE);
- return 1;
- } else if(bmp_ptr->bitCounts == 16) {
- bmp_ptr->mask_red = 0x7C00;
- bmp_ptr->mask_green = 0x03E0;
- bmp_ptr->mask_blue = 0x001F;
+ case 16: {
+ FX_WORD* buf = (FX_WORD*)des_buf;
+ uint8_t blue_bits = 0;
+ uint8_t green_bits = 0;
+ uint8_t red_bits = 0;
+ for (int32_t i = 0; i < 16; i++) {
+ if ((bmp_ptr->mask_blue >> i) & 0x01) {
+ blue_bits++;
+ }
+ if ((bmp_ptr->mask_green >> i) & 0x01) {
+ green_bits++;
+ }
+ if ((bmp_ptr->mask_red >> i) & 0x01) {
+ red_bits++;
+ }
}
-#else
- if(bmp_ptr->compress_flag == BMP_BITFIELDS || bmp_ptr->bitCounts == 16) {
- _bmp_error(bmp_ptr, "Unsupported Bitfield Bmp File");
- return 0;
+ green_bits += blue_bits;
+ red_bits += green_bits;
+ blue_bits = 8 - blue_bits;
+ green_bits -= 8;
+ red_bits -= 8;
+ for (int32_t col = 0; col < bmp_ptr->width; col++) {
+ *buf = _GetWord_LSBFirst((uint8_t*)buf);
+ *row_buf++ = (uint8_t)((*buf & bmp_ptr->mask_blue) << blue_bits);
+ *row_buf++ = (uint8_t)((*buf & bmp_ptr->mask_green) >> green_bits);
+ *row_buf++ = (uint8_t)((*buf++ & bmp_ptr->mask_red) >> red_bits);
}
+ } break;
#endif
- bmp_ptr->pal_num = 0;
- if(bmp_ptr->bitCounts < 16) {
- bmp_ptr->pal_num = 1 << bmp_ptr->bitCounts;
- if(bmp_ptr->color_used != 0) {
- bmp_ptr->pal_num = bmp_ptr->color_used;
+ case 8:
+ case 24:
+ case 32:
+ FXSYS_memcpy(bmp_ptr->out_row_buffer, des_buf, bmp_ptr->src_row_bytes);
+ break;
+ }
+ row_buf = bmp_ptr->out_row_buffer;
+ bmp_ptr->_bmp_get_row_fn(bmp_ptr,
+ bmp_ptr->imgTB_flag
+ ? bmp_ptr->row_num++
+ : (bmp_ptr->height - 1 - bmp_ptr->row_num++),
+ bmp_ptr->out_row_buffer);
+ }
+ _bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_TAIL);
+ return 1;
+}
+int32_t _bmp_decode_rle8(bmp_decompress_struct_p bmp_ptr) {
+ uint8_t* first_byte_ptr = NULL;
+ uint8_t* second_byte_ptr = NULL;
+ bmp_ptr->col_num = 0;
+ while (TRUE) {
+ FX_DWORD skip_size_org = bmp_ptr->skip_size;
+ if (_bmp_read_data(bmp_ptr, &first_byte_ptr, 1) == NULL) {
+ return 2;
+ }
+ switch (*first_byte_ptr) {
+ case RLE_MARKER: {
+ if (_bmp_read_data(bmp_ptr, &first_byte_ptr, 1) == NULL) {
+ bmp_ptr->skip_size = skip_size_org;
+ return 2;
+ }
+ switch (*first_byte_ptr) {
+ case RLE_EOL: {
+ if (bmp_ptr->row_num >= bmp_ptr->height) {
+ _bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_TAIL);
+ _bmp_error(bmp_ptr, "The Bmp File Is Corrupt");
+ return 0;
}
- uint8_t* src_pal_ptr = NULL;
- FX_DWORD src_pal_size = bmp_ptr->pal_num * (bmp_ptr->pal_type ? 3 : 4);
- if(_bmp_read_data(bmp_ptr, (uint8_t**)&src_pal_ptr, src_pal_size) == NULL) {
- bmp_ptr->skip_size = skip_size_org;
- return 2;
+ bmp_ptr->_bmp_get_row_fn(
+ bmp_ptr, bmp_ptr->imgTB_flag
+ ? bmp_ptr->row_num++
+ : (bmp_ptr->height - 1 - bmp_ptr->row_num++),
+ bmp_ptr->out_row_buffer);
+ bmp_ptr->col_num = 0;
+ FXSYS_memset(bmp_ptr->out_row_buffer, 0, bmp_ptr->out_row_bytes);
+ _bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_DATA);
+ continue;
+ }
+ case RLE_EOI: {
+ if (bmp_ptr->row_num < bmp_ptr->height) {
+ bmp_ptr->_bmp_get_row_fn(
+ bmp_ptr, bmp_ptr->imgTB_flag
+ ? bmp_ptr->row_num++
+ : (bmp_ptr->height - 1 - bmp_ptr->row_num++),
+ bmp_ptr->out_row_buffer);
}
- if(bmp_ptr->pal_ptr != NULL) {
- FX_Free(bmp_ptr->pal_ptr);
- bmp_ptr->pal_ptr = NULL;
+ _bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_TAIL);
+ return 1;
+ }
+ case RLE_DELTA: {
+ uint8_t* delta_ptr;
+ if (_bmp_read_data(bmp_ptr, &delta_ptr, 2) == NULL) {
+ bmp_ptr->skip_size = skip_size_org;
+ return 2;
}
- bmp_ptr->pal_ptr = FX_Alloc(FX_DWORD, bmp_ptr->pal_num);
- BMP_PTR_NOT_NULL(bmp_ptr->pal_ptr, bmp_ptr);
- int32_t src_pal_index = 0;
- if(bmp_ptr->pal_type == BMP_PAL_OLD) {
- while(src_pal_index < bmp_ptr->pal_num) {
- bmp_ptr->pal_ptr[src_pal_index++] = BMP_PAL_ENCODE(0x00, src_pal_ptr[2], src_pal_ptr[1], src_pal_ptr[0]);
- src_pal_ptr += 3;
- }
- } else {
- while(src_pal_index < bmp_ptr->pal_num) {
- bmp_ptr->pal_ptr[src_pal_index++] = BMP_PAL_ENCODE(src_pal_ptr[3], src_pal_ptr[2], src_pal_ptr[1], src_pal_ptr[0]);
- src_pal_ptr += 4;
- }
+ bmp_ptr->col_num += (int32_t)delta_ptr[0];
+ int32_t bmp_row_num_next = bmp_ptr->row_num + (int32_t)delta_ptr[1];
+ if (bmp_ptr->col_num >= bmp_ptr->out_row_bytes ||
+ bmp_row_num_next >= bmp_ptr->height) {
+ _bmp_error(bmp_ptr, "The Bmp File Is Corrupt Or Not Supported");
+ return 0;
}
+ while (bmp_ptr->row_num < bmp_row_num_next) {
+ FXSYS_memset(bmp_ptr->out_row_buffer, 0, bmp_ptr->out_row_bytes);
+ bmp_ptr->_bmp_get_row_fn(
+ bmp_ptr, bmp_ptr->imgTB_flag
+ ? bmp_ptr->row_num++
+ : (bmp_ptr->height - 1 - bmp_ptr->row_num++),
+ bmp_ptr->out_row_buffer);
+ }
+ } break;
+ default: {
+ if ((int32_t)(*first_byte_ptr) >
+ bmp_ptr->src_row_bytes - bmp_ptr->col_num) {
+ _bmp_error(bmp_ptr, "The Bmp File Is Corrupt");
+ return 0;
+ }
+ if (_bmp_read_data(bmp_ptr, &second_byte_ptr,
+ *first_byte_ptr & 1 ? *first_byte_ptr + 1
+ : *first_byte_ptr) == NULL) {
+ bmp_ptr->skip_size = skip_size_org;
+ return 2;
+ }
+ FXSYS_memcpy(bmp_ptr->out_row_buffer + bmp_ptr->col_num,
+ second_byte_ptr, *first_byte_ptr);
+ bmp_ptr->col_num += (int32_t)(*first_byte_ptr);
+ }
}
- if(bmp_ptr->bmp_header_ptr->bfOffBits < 14 + bmp_ptr->img_ifh_size + bmp_ptr->pal_num * (bmp_ptr->pal_type ? 3 : 4)) {
- bmp_ptr->bmp_header_ptr->bfOffBits = 14 + bmp_ptr->img_ifh_size + bmp_ptr->pal_num * (bmp_ptr->pal_type ? 3 : 4);
- }
- _bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_DATA_PRE);
- }
- return 1;
-}
-int32_t _bmp_decode_image(bmp_decompress_struct_p bmp_ptr)
-{
- if(bmp_ptr->decode_status == BMP_D_STATUS_DATA_PRE) {
- bmp_ptr->avail_in = 0;
- if(!bmp_ptr->_bmp_get_data_position_fn(bmp_ptr, bmp_ptr->bmp_header_ptr->bfOffBits)) {
- bmp_ptr->decode_status = BMP_D_STATUS_TAIL;
- _bmp_error(bmp_ptr, "The Bmp File Is Corrupt, Unexpected Stream Offset");
- return 0;
+ } break;
+ default: {
+ if (_bmp_read_data(bmp_ptr, &second_byte_ptr, 1) == NULL) {
+ bmp_ptr->skip_size = skip_size_org;
+ return 2;
}
- bmp_ptr->row_num = 0;
- _bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_DATA);
- }
- if(bmp_ptr->decode_status == BMP_D_STATUS_DATA) {
- switch(bmp_ptr->compress_flag) {
- case BMP_RGB:
- case BMP_BITFIELDS:
- return _bmp_decode_rgb(bmp_ptr);
- case BMP_RLE8:
- return _bmp_decode_rle8(bmp_ptr);
- case BMP_RLE4:
- return _bmp_decode_rle4(bmp_ptr);
+ if ((int32_t)(*first_byte_ptr) >
+ bmp_ptr->src_row_bytes - bmp_ptr->col_num) {
+ _bmp_error(bmp_ptr, "The Bmp File Is Corrupt");
+ return 0;
}
- }
- _bmp_error(bmp_ptr, "Any Uncontrol Error");
- return 0;
+ FXSYS_memset(bmp_ptr->out_row_buffer + bmp_ptr->col_num,
+ *second_byte_ptr, *first_byte_ptr);
+ bmp_ptr->col_num += (int32_t)(*first_byte_ptr);
+ }
+ }
+ }
+ _bmp_error(bmp_ptr, "Any Uncontrol Error");
+ return 0;
}
-int32_t _bmp_decode_rgb(bmp_decompress_struct_p bmp_ptr)
-{
- uint8_t* row_buf = bmp_ptr->out_row_buffer;
- uint8_t* des_buf = NULL;
- while (bmp_ptr->row_num < bmp_ptr->height) {
- if(_bmp_read_data(bmp_ptr, &des_buf, bmp_ptr->src_row_bytes) == NULL) {
- return 2;
- }
- _bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_DATA);
- switch(bmp_ptr->bitCounts) {
- case 1: {
- for (int32_t col = 0; col < bmp_ptr->width; col++) {
- *row_buf++ = des_buf[col >> 3] & (0x80 >> (col % 8)) ? 0x01 : 0x00;
- }
- }
- break;
- case 4: {
- for (int32_t col = 0; col < bmp_ptr->width; col++) {
- *row_buf++ = (col & 0x01) ?
- (des_buf[col >> 1] & 0x0F) :
- ((des_buf[col >> 1] & 0xF0) >> 4);
- }
- }
- break;
-#ifdef BMP_SUPPORT_BITFIELD
- case 16: {
- FX_WORD* buf = (FX_WORD*)des_buf;
- uint8_t blue_bits = 0;
- uint8_t green_bits = 0;
- uint8_t red_bits = 0;
- for(int32_t i = 0; i < 16; i++) {
- if((bmp_ptr->mask_blue >> i) & 0x01) {
- blue_bits++;
- }
- if((bmp_ptr->mask_green >> i) & 0x01) {
- green_bits++;
- }
- if((bmp_ptr->mask_red >> i) & 0x01) {
- red_bits++;
- }
- }
- green_bits += blue_bits;
- red_bits += green_bits;
- blue_bits = 8 - blue_bits;
- green_bits -= 8;
- red_bits -= 8;
- for (int32_t col = 0; col < bmp_ptr->width; col++) {
- *buf = _GetWord_LSBFirst((uint8_t*)buf);
- *row_buf++ = (uint8_t)((*buf & bmp_ptr->mask_blue) << blue_bits);
- *row_buf++ = (uint8_t)((*buf & bmp_ptr->mask_green) >> green_bits);
- *row_buf++ = (uint8_t)((*buf++ & bmp_ptr->mask_red) >> red_bits);
- }
- }
- break;
-#endif
- case 8:
- case 24:
- case 32:
- FXSYS_memcpy(bmp_ptr->out_row_buffer, des_buf, bmp_ptr->src_row_bytes);
- break;
+int32_t _bmp_decode_rle4(bmp_decompress_struct_p bmp_ptr) {
+ uint8_t* first_byte_ptr = NULL;
+ uint8_t* second_byte_ptr = NULL;
+ bmp_ptr->col_num = 0;
+ while (TRUE) {
+ FX_DWORD skip_size_org = bmp_ptr->skip_size;
+ if (_bmp_read_data(bmp_ptr, &first_byte_ptr, 1) == NULL) {
+ return 2;
+ }
+ switch (*first_byte_ptr) {
+ case RLE_MARKER: {
+ if (_bmp_read_data(bmp_ptr, &first_byte_ptr, 1) == NULL) {
+ bmp_ptr->skip_size = skip_size_org;
+ return 2;
}
- row_buf = bmp_ptr->out_row_buffer;
- bmp_ptr->_bmp_get_row_fn(bmp_ptr,
- bmp_ptr->imgTB_flag ? bmp_ptr->row_num++ : (bmp_ptr->height - 1 - bmp_ptr->row_num++),
- bmp_ptr->out_row_buffer);
- }
- _bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_TAIL);
- return 1;
-}
-int32_t _bmp_decode_rle8(bmp_decompress_struct_p bmp_ptr)
-{
- uint8_t* first_byte_ptr = NULL;
- uint8_t* second_byte_ptr = NULL;
- bmp_ptr->col_num = 0;
- while(TRUE) {
- FX_DWORD skip_size_org = bmp_ptr->skip_size;
- if(_bmp_read_data(bmp_ptr, &first_byte_ptr, 1) == NULL) {
- return 2;
+ switch (*first_byte_ptr) {
+ case RLE_EOL: {
+ if (bmp_ptr->row_num >= bmp_ptr->height) {
+ _bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_TAIL);
+ _bmp_error(bmp_ptr, "The Bmp File Is Corrupt");
+ return 0;
+ }
+ bmp_ptr->_bmp_get_row_fn(
+ bmp_ptr, bmp_ptr->imgTB_flag
+ ? bmp_ptr->row_num++
+ : (bmp_ptr->height - 1 - bmp_ptr->row_num++),
+ bmp_ptr->out_row_buffer);
+ bmp_ptr->col_num = 0;
+ FXSYS_memset(bmp_ptr->out_row_buffer, 0, bmp_ptr->out_row_bytes);
+ _bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_DATA);
+ continue;
+ }
+ case RLE_EOI: {
+ if (bmp_ptr->row_num < bmp_ptr->height) {
+ bmp_ptr->_bmp_get_row_fn(
+ bmp_ptr, bmp_ptr->imgTB_flag
+ ? bmp_ptr->row_num++
+ : (bmp_ptr->height - 1 - bmp_ptr->row_num++),
+ bmp_ptr->out_row_buffer);
+ }
+ _bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_TAIL);
+ return 1;
+ }
+ case RLE_DELTA: {
+ uint8_t* delta_ptr;
+ if (_bmp_read_data(bmp_ptr, &delta_ptr, 2) == NULL) {
+ bmp_ptr->skip_size = skip_size_org;
+ return 2;
+ }
+ bmp_ptr->col_num += (int32_t)delta_ptr[0];
+ int32_t bmp_row_num_next = bmp_ptr->row_num + (int32_t)delta_ptr[1];
+ if (bmp_ptr->col_num >= bmp_ptr->out_row_bytes ||
+ bmp_row_num_next >= bmp_ptr->height) {
+ _bmp_error(bmp_ptr, "The Bmp File Is Corrupt Or Not Supported");
+ return 0;
+ }
+ while (bmp_ptr->row_num < bmp_row_num_next) {
+ FXSYS_memset(bmp_ptr->out_row_buffer, 0, bmp_ptr->out_row_bytes);
+ bmp_ptr->_bmp_get_row_fn(
+ bmp_ptr, bmp_ptr->imgTB_flag
+ ? bmp_ptr->row_num++
+ : (bmp_ptr->height - 1 - bmp_ptr->row_num++),
+ bmp_ptr->out_row_buffer);
+ }
+ } break;
+ default: {
+ uint8_t size = (uint8_t)(((FX_WORD)(*first_byte_ptr) + 1) >> 1);
+ if ((int32_t)*first_byte_ptr >=
+ bmp_ptr->out_row_bytes - bmp_ptr->col_num) {
+ if (size + (bmp_ptr->col_num >> 1) > bmp_ptr->src_row_bytes) {
+ _bmp_error(bmp_ptr, "The Bmp File Is Corrupt");
+ return 0;
+ }
+ *first_byte_ptr = bmp_ptr->out_row_bytes - bmp_ptr->col_num - 1;
+ }
+ if (_bmp_read_data(bmp_ptr, &second_byte_ptr,
+ size & 1 ? size + 1 : size) == NULL) {
+ bmp_ptr->skip_size = skip_size_org;
+ return 2;
+ }
+ for (uint8_t i = 0; i < *first_byte_ptr; i++) {
+ if (i & 0x01) {
+ *(bmp_ptr->out_row_buffer + bmp_ptr->col_num++) =
+ (*second_byte_ptr++ & 0x0F);
+ } else {
+ *(bmp_ptr->out_row_buffer + bmp_ptr->col_num++) =
+ ((*second_byte_ptr & 0xF0) >> 4);
+ }
+ }
+ }
}
- switch(*first_byte_ptr) {
- case RLE_MARKER: {
- if(_bmp_read_data(bmp_ptr, &first_byte_ptr, 1) == NULL) {
- bmp_ptr->skip_size = skip_size_org;
- return 2;
- }
- switch(*first_byte_ptr) {
- case RLE_EOL: {
- if(bmp_ptr->row_num >= bmp_ptr->height) {
- _bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_TAIL);
- _bmp_error(bmp_ptr, "The Bmp File Is Corrupt");
- return 0;
- }
- bmp_ptr->_bmp_get_row_fn(bmp_ptr,
- bmp_ptr->imgTB_flag ? bmp_ptr->row_num++ : (bmp_ptr->height - 1 - bmp_ptr->row_num++),
- bmp_ptr->out_row_buffer);
- bmp_ptr->col_num = 0;
- FXSYS_memset(bmp_ptr->out_row_buffer, 0, bmp_ptr->out_row_bytes);
- _bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_DATA);
- continue;
- }
- case RLE_EOI: {
- if(bmp_ptr->row_num < bmp_ptr->height) {
- bmp_ptr->_bmp_get_row_fn(bmp_ptr,
- bmp_ptr->imgTB_flag ? bmp_ptr->row_num++ : (bmp_ptr->height - 1 - bmp_ptr->row_num++),
- bmp_ptr->out_row_buffer);
- }
- _bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_TAIL);
- return 1;
- }
- case RLE_DELTA: {
- uint8_t* delta_ptr;
- if(_bmp_read_data(bmp_ptr, &delta_ptr, 2) == NULL) {
- bmp_ptr->skip_size = skip_size_org;
- return 2;
- }
- bmp_ptr->col_num += (int32_t)delta_ptr[0];
- int32_t bmp_row_num_next = bmp_ptr->row_num + (int32_t)delta_ptr[1];
- if(bmp_ptr->col_num >= bmp_ptr->out_row_bytes || bmp_row_num_next >= bmp_ptr->height) {
- _bmp_error(bmp_ptr, "The Bmp File Is Corrupt Or Not Supported");
- return 0;
- }
- while(bmp_ptr->row_num < bmp_row_num_next) {
- FXSYS_memset(bmp_ptr->out_row_buffer, 0, bmp_ptr->out_row_bytes);
- bmp_ptr->_bmp_get_row_fn(bmp_ptr,
- bmp_ptr->imgTB_flag ? bmp_ptr->row_num++ : (bmp_ptr->height - 1 - bmp_ptr->row_num++),
- bmp_ptr->out_row_buffer);
- }
- }
- break;
- default: {
- if((int32_t)(*first_byte_ptr) > bmp_ptr->src_row_bytes - bmp_ptr->col_num) {
- _bmp_error(bmp_ptr, "The Bmp File Is Corrupt");
- return 0;
- }
- if(_bmp_read_data(bmp_ptr, &second_byte_ptr,
- *first_byte_ptr & 1 ? *first_byte_ptr + 1 : *first_byte_ptr) == NULL) {
- bmp_ptr->skip_size = skip_size_org;
- return 2;
- }
- FXSYS_memcpy(bmp_ptr->out_row_buffer + bmp_ptr->col_num, second_byte_ptr, *first_byte_ptr);
- bmp_ptr->col_num += (int32_t)(*first_byte_ptr);
- }
- }
- }
- break;
- default: {
- if(_bmp_read_data(bmp_ptr, &second_byte_ptr, 1) == NULL) {
- bmp_ptr->skip_size = skip_size_org;
- return 2;
- }
- if((int32_t)(*first_byte_ptr) > bmp_ptr->src_row_bytes - bmp_ptr->col_num) {
- _bmp_error(bmp_ptr, "The Bmp File Is Corrupt");
- return 0;
- }
- FXSYS_memset(bmp_ptr->out_row_buffer + bmp_ptr->col_num, *second_byte_ptr, *first_byte_ptr);
- bmp_ptr->col_num += (int32_t)(*first_byte_ptr);
- }
+ } break;
+ default: {
+ if (_bmp_read_data(bmp_ptr, &second_byte_ptr, 1) == NULL) {
+ bmp_ptr->skip_size = skip_size_org;
+ return 2;
}
- }
- _bmp_error(bmp_ptr, "Any Uncontrol Error");
- return 0;
-}
-int32_t _bmp_decode_rle4(bmp_decompress_struct_p bmp_ptr)
-{
- uint8_t* first_byte_ptr = NULL;
- uint8_t* second_byte_ptr = NULL;
- bmp_ptr->col_num = 0;
- while (TRUE) {
- FX_DWORD skip_size_org = bmp_ptr->skip_size;
- if(_bmp_read_data(bmp_ptr, &first_byte_ptr, 1) == NULL) {
- return 2;
+ if ((int32_t)*first_byte_ptr >
+ bmp_ptr->out_row_bytes - bmp_ptr->col_num) {
+ uint8_t size = (uint8_t)(((FX_WORD)(*first_byte_ptr) + 1) >> 1);
+ if (size + (bmp_ptr->col_num >> 1) > bmp_ptr->src_row_bytes) {
+ _bmp_error(bmp_ptr, "The Bmp File Is Corrupt");
+ return 0;
+ }
+ *first_byte_ptr = bmp_ptr->out_row_bytes - bmp_ptr->col_num - 1;
}
- switch(*first_byte_ptr) {
- case RLE_MARKER: {
- if(_bmp_read_data(bmp_ptr, &first_byte_ptr, 1) == NULL) {
- bmp_ptr->skip_size = skip_size_org;
- return 2;
- }
- switch(*first_byte_ptr) {
- case RLE_EOL: {
- if(bmp_ptr->row_num >= bmp_ptr->height) {
- _bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_TAIL);
- _bmp_error(bmp_ptr, "The Bmp File Is Corrupt");
- return 0;
- }
- bmp_ptr->_bmp_get_row_fn(bmp_ptr,
- bmp_ptr->imgTB_flag ? bmp_ptr->row_num++ : (bmp_ptr->height - 1 - bmp_ptr->row_num++),
- bmp_ptr->out_row_buffer);
- bmp_ptr->col_num = 0;
- FXSYS_memset(bmp_ptr->out_row_buffer, 0, bmp_ptr->out_row_bytes);
- _bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_DATA);
- continue;
- }
- case RLE_EOI: {
- if(bmp_ptr->row_num < bmp_ptr->height) {
- bmp_ptr->_bmp_get_row_fn(bmp_ptr,
- bmp_ptr->imgTB_flag ? bmp_ptr->row_num++ : (bmp_ptr->height - 1 - bmp_ptr->row_num++),
- bmp_ptr->out_row_buffer);
- }
- _bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_TAIL);
- return 1;
- }
- case RLE_DELTA: {
- uint8_t* delta_ptr;
- if(_bmp_read_data(bmp_ptr, &delta_ptr, 2) == NULL) {
- bmp_ptr->skip_size = skip_size_org;
- return 2;
- }
- bmp_ptr->col_num += (int32_t)delta_ptr[0];
- int32_t bmp_row_num_next = bmp_ptr->row_num + (int32_t)delta_ptr[1];
- if(bmp_ptr->col_num >= bmp_ptr->out_row_bytes || bmp_row_num_next >= bmp_ptr->height) {
- _bmp_error(bmp_ptr, "The Bmp File Is Corrupt Or Not Supported");
- return 0;
- }
- while(bmp_ptr->row_num < bmp_row_num_next) {
- FXSYS_memset(bmp_ptr->out_row_buffer, 0, bmp_ptr->out_row_bytes);
- bmp_ptr->_bmp_get_row_fn(bmp_ptr,
- bmp_ptr->imgTB_flag ? bmp_ptr->row_num++ : (bmp_ptr->height - 1 - bmp_ptr->row_num++),
- bmp_ptr->out_row_buffer);
- }
- }
- break;
- default: {
- uint8_t size = (uint8_t)(((FX_WORD)(*first_byte_ptr) + 1) >> 1);
- if((int32_t)*first_byte_ptr >= bmp_ptr->out_row_bytes - bmp_ptr->col_num) {
- if(size + (bmp_ptr->col_num >> 1) > bmp_ptr->src_row_bytes) {
- _bmp_error(bmp_ptr, "The Bmp File Is Corrupt");
- return 0;
- }
- *first_byte_ptr = bmp_ptr->out_row_bytes - bmp_ptr->col_num - 1;
- }
- if(_bmp_read_data(bmp_ptr, &second_byte_ptr, size & 1 ? size + 1 : size) == NULL) {
- bmp_ptr->skip_size = skip_size_org;
- return 2;
- }
- for (uint8_t i = 0; i < *first_byte_ptr; i++) {
- if(i & 0x01) {
- *(bmp_ptr->out_row_buffer + bmp_ptr->col_num++) = (*second_byte_ptr++ & 0x0F);
- } else {
- *(bmp_ptr->out_row_buffer + bmp_ptr->col_num++) = ((*second_byte_ptr & 0xF0) >> 4);
- }
- }
- }
- }
- }
- break;
- default: {
- if(_bmp_read_data(bmp_ptr, &second_byte_ptr, 1) == NULL) {
- bmp_ptr->skip_size = skip_size_org;
- return 2;
- }
- if((int32_t)*first_byte_ptr > bmp_ptr->out_row_bytes - bmp_ptr->col_num) {
- uint8_t size = (uint8_t)(((FX_WORD)(*first_byte_ptr) + 1) >> 1);
- if(size + (bmp_ptr->col_num >> 1) > bmp_ptr->src_row_bytes) {
- _bmp_error(bmp_ptr, "The Bmp File Is Corrupt");
- return 0;
- }
- *first_byte_ptr = bmp_ptr->out_row_bytes - bmp_ptr->col_num - 1;
- }
- for (uint8_t i = 0; i < *first_byte_ptr; i++) {
- if(i & 0x01) {
- *(bmp_ptr->out_row_buffer + bmp_ptr->col_num++) = (*second_byte_ptr & 0x0F);
- } else {
- *(bmp_ptr->out_row_buffer + bmp_ptr->col_num++) = ((*second_byte_ptr & 0xF0) >> 4);
- }
- }
- }
+ for (uint8_t i = 0; i < *first_byte_ptr; i++) {
+ if (i & 0x01) {
+ *(bmp_ptr->out_row_buffer + bmp_ptr->col_num++) =
+ (*second_byte_ptr & 0x0F);
+ } else {
+ *(bmp_ptr->out_row_buffer + bmp_ptr->col_num++) =
+ ((*second_byte_ptr & 0xF0) >> 4);
+ }
}
+ }
}
- _bmp_error(bmp_ptr, "Any Uncontrol Error");
- return 0;
+ }
+ _bmp_error(bmp_ptr, "Any Uncontrol Error");
+ return 0;
}
-uint8_t* _bmp_read_data(bmp_decompress_struct_p bmp_ptr, uint8_t** des_buf_pp, FX_DWORD data_size)
-{
- if(bmp_ptr == NULL ||
- bmp_ptr->avail_in < bmp_ptr->skip_size + data_size) {
- return NULL;
- }
- *des_buf_pp = bmp_ptr->next_in + bmp_ptr->skip_size;
- bmp_ptr->skip_size += data_size;
- return *des_buf_pp;
+uint8_t* _bmp_read_data(bmp_decompress_struct_p bmp_ptr,
+ uint8_t** des_buf_pp,
+ FX_DWORD data_size) {
+ if (bmp_ptr == NULL || bmp_ptr->avail_in < bmp_ptr->skip_size + data_size) {
+ return NULL;
+ }
+ *des_buf_pp = bmp_ptr->next_in + bmp_ptr->skip_size;
+ bmp_ptr->skip_size += data_size;
+ return *des_buf_pp;
}
-void _bmp_save_decoding_status(bmp_decompress_struct_p bmp_ptr, int32_t status)
-{
- bmp_ptr->decode_status = status;
- bmp_ptr->next_in += bmp_ptr->skip_size;
- bmp_ptr->avail_in -= bmp_ptr->skip_size;
- bmp_ptr->skip_size = 0;
+void _bmp_save_decoding_status(bmp_decompress_struct_p bmp_ptr,
+ int32_t status) {
+ bmp_ptr->decode_status = status;
+ bmp_ptr->next_in += bmp_ptr->skip_size;
+ bmp_ptr->avail_in -= bmp_ptr->skip_size;
+ bmp_ptr->skip_size = 0;
}
-void _bmp_input_buffer(bmp_decompress_struct_p bmp_ptr, uint8_t* src_buf, FX_DWORD src_size)
-{
- bmp_ptr->next_in = src_buf;
- bmp_ptr->avail_in = src_size;
- bmp_ptr->skip_size = 0;
+void _bmp_input_buffer(bmp_decompress_struct_p bmp_ptr,
+ uint8_t* src_buf,
+ FX_DWORD src_size) {
+ bmp_ptr->next_in = src_buf;
+ bmp_ptr->avail_in = src_size;
+ bmp_ptr->skip_size = 0;
}
-FX_DWORD _bmp_get_avail_input(bmp_decompress_struct_p bmp_ptr, uint8_t** avial_buf_ptr)
-{
- if(avial_buf_ptr != NULL) {
- *avial_buf_ptr = NULL;
- if(bmp_ptr->avail_in > 0) {
- *avial_buf_ptr = bmp_ptr->next_in;
- }
- }
- return bmp_ptr->avail_in;
+FX_DWORD _bmp_get_avail_input(bmp_decompress_struct_p bmp_ptr,
+ uint8_t** avial_buf_ptr) {
+ if (avial_buf_ptr != NULL) {
+ *avial_buf_ptr = NULL;
+ if (bmp_ptr->avail_in > 0) {
+ *avial_buf_ptr = bmp_ptr->next_in;
+ }
+ }
+ return bmp_ptr->avail_in;
}
-bmp_compress_struct_p _bmp_create_compress()
-{
- bmp_compress_struct_p bmp_ptr;
- bmp_ptr = FX_Alloc(bmp_compress_struct, 1);
- if (bmp_ptr) {
- FXSYS_memset(bmp_ptr, 0, sizeof(bmp_compress_struct));
- }
- return bmp_ptr;
+bmp_compress_struct_p _bmp_create_compress() {
+ bmp_compress_struct_p bmp_ptr;
+ bmp_ptr = FX_Alloc(bmp_compress_struct, 1);
+ if (bmp_ptr) {
+ FXSYS_memset(bmp_ptr, 0, sizeof(bmp_compress_struct));
+ }
+ return bmp_ptr;
}
-void _bmp_destroy_compress(bmp_compress_struct_p bmp_ptr)
-{
- if (bmp_ptr) {
- if (bmp_ptr->src_free && bmp_ptr->src_buf) {
- FX_Free(bmp_ptr->src_buf);
- }
- FX_Free(bmp_ptr);
+void _bmp_destroy_compress(bmp_compress_struct_p bmp_ptr) {
+ if (bmp_ptr) {
+ if (bmp_ptr->src_free && bmp_ptr->src_buf) {
+ FX_Free(bmp_ptr->src_buf);
}
+ FX_Free(bmp_ptr);
+ }
}
-static void WriteFileHeader(BmpFileHeaderPtr head_ptr, uint8_t* dst_buf)
-{
- FX_DWORD offset;
- offset = 0;
- _SetWord_LSBFirst(&dst_buf[offset], head_ptr->bfType);
- offset += 2;
- _SetDWord_LSBFirst(&dst_buf[offset], head_ptr->bfSize);
- offset += 4;
- _SetWord_LSBFirst(&dst_buf[offset], head_ptr->bfReserved1);
- offset += 2;
- _SetWord_LSBFirst(&dst_buf[offset], head_ptr->bfReserved2);
- offset += 2;
- _SetDWord_LSBFirst(&dst_buf[offset], head_ptr->bfOffBits);
- offset += 4;
+static void WriteFileHeader(BmpFileHeaderPtr head_ptr, uint8_t* dst_buf) {
+ FX_DWORD offset;
+ offset = 0;
+ _SetWord_LSBFirst(&dst_buf[offset], head_ptr->bfType);
+ offset += 2;
+ _SetDWord_LSBFirst(&dst_buf[offset], head_ptr->bfSize);
+ offset += 4;
+ _SetWord_LSBFirst(&dst_buf[offset], head_ptr->bfReserved1);
+ offset += 2;
+ _SetWord_LSBFirst(&dst_buf[offset], head_ptr->bfReserved2);
+ offset += 2;
+ _SetDWord_LSBFirst(&dst_buf[offset], head_ptr->bfOffBits);
+ offset += 4;
}
-static void WriteInfoHeader(BmpInfoHeaderPtr info_head_ptr, uint8_t* dst_buf)
-{
- FX_DWORD offset;
- offset = sizeof(BmpFileHeader);
- _SetDWord_LSBFirst(&dst_buf[offset], info_head_ptr->biSize);
- offset += 4;
- _SetDWord_LSBFirst(&dst_buf[offset], (FX_DWORD)info_head_ptr->biWidth);
- offset += 4;
- _SetDWord_LSBFirst(&dst_buf[offset], (FX_DWORD)info_head_ptr->biHeight);
- offset += 4;
- _SetWord_LSBFirst(&dst_buf[offset], info_head_ptr->biPlanes);
- offset += 2;
- _SetWord_LSBFirst(&dst_buf[offset], info_head_ptr->biBitCount);
- offset += 2;
- _SetDWord_LSBFirst(&dst_buf[offset], info_head_ptr->biCompression);
- offset += 4;
- _SetDWord_LSBFirst(&dst_buf[offset], info_head_ptr->biSizeImage);
- offset += 4;
- _SetDWord_LSBFirst(&dst_buf[offset], (FX_DWORD)info_head_ptr->biXPelsPerMeter);
- offset += 4;
- _SetDWord_LSBFirst(&dst_buf[offset], (FX_DWORD)info_head_ptr->biYPelsPerMeter);
- offset += 4;
- _SetDWord_LSBFirst(&dst_buf[offset], info_head_ptr->biClrUsed);
- offset += 4;
- _SetDWord_LSBFirst(&dst_buf[offset], info_head_ptr->biClrImportant);
- offset += 4;
+static void WriteInfoHeader(BmpInfoHeaderPtr info_head_ptr, uint8_t* dst_buf) {
+ FX_DWORD offset;
+ offset = sizeof(BmpFileHeader);
+ _SetDWord_LSBFirst(&dst_buf[offset], info_head_ptr->biSize);
+ offset += 4;
+ _SetDWord_LSBFirst(&dst_buf[offset], (FX_DWORD)info_head_ptr->biWidth);
+ offset += 4;
+ _SetDWord_LSBFirst(&dst_buf[offset], (FX_DWORD)info_head_ptr->biHeight);
+ offset += 4;
+ _SetWord_LSBFirst(&dst_buf[offset], info_head_ptr->biPlanes);
+ offset += 2;
+ _SetWord_LSBFirst(&dst_buf[offset], info_head_ptr->biBitCount);
+ offset += 2;
+ _SetDWord_LSBFirst(&dst_buf[offset], info_head_ptr->biCompression);
+ offset += 4;
+ _SetDWord_LSBFirst(&dst_buf[offset], info_head_ptr->biSizeImage);
+ offset += 4;
+ _SetDWord_LSBFirst(&dst_buf[offset],
+ (FX_DWORD)info_head_ptr->biXPelsPerMeter);
+ offset += 4;
+ _SetDWord_LSBFirst(&dst_buf[offset],
+ (FX_DWORD)info_head_ptr->biYPelsPerMeter);
+ offset += 4;
+ _SetDWord_LSBFirst(&dst_buf[offset], info_head_ptr->biClrUsed);
+ offset += 4;
+ _SetDWord_LSBFirst(&dst_buf[offset], info_head_ptr->biClrImportant);
+ offset += 4;
}
#ifdef BMP_SUPPORT_BITFIELD
-static void _bmp_encode_bitfields(bmp_compress_struct_p bmp_ptr, uint8_t*& dst_buf, FX_DWORD& dst_size)
-{
- if (bmp_ptr->info_header.biBitCount != 16 && bmp_ptr->info_header.biBitCount != 32) {
- return;
- }
- FX_DWORD size, dst_pos, i;
- size = bmp_ptr->src_pitch * bmp_ptr->src_row * bmp_ptr->info_header.biBitCount / 16;
- dst_pos = bmp_ptr->file_header.bfOffBits;
- dst_size += size;
- dst_buf = FX_Realloc(uint8_t, dst_buf, dst_size);
- if (dst_buf == NULL) {
- return;
- }
- FXSYS_memset(&dst_buf[dst_pos], 0, size);
- FX_DWORD mask_red;
- FX_DWORD mask_green;
- FX_DWORD mask_blue;
- mask_red = 0x7C00;
- mask_green = 0x03E0;
- mask_blue = 0x001F;
- if (bmp_ptr->info_header.biCompression == BMP_BITFIELDS) {
- if (bmp_ptr->bit_type == BMP_BIT_565) {
- mask_red = 0xF800;
- mask_green = 0x07E0;
- mask_blue = 0x001F;
- }
- if (bmp_ptr->info_header.biBitCount == 32) {
- mask_red = 0xFF0000;
- mask_green = 0x00FF00;
- mask_blue = 0x0000FF;
- }
- _SetDWord_LSBFirst(&dst_buf[dst_pos], mask_red);
- dst_pos += 4;
- _SetDWord_LSBFirst(&dst_buf[dst_pos], mask_green);
+static void _bmp_encode_bitfields(bmp_compress_struct_p bmp_ptr,
+ uint8_t*& dst_buf,
+ FX_DWORD& dst_size) {
+ if (bmp_ptr->info_header.biBitCount != 16 &&
+ bmp_ptr->info_header.biBitCount != 32) {
+ return;
+ }
+ FX_DWORD size, dst_pos, i;
+ size = bmp_ptr->src_pitch * bmp_ptr->src_row *
+ bmp_ptr->info_header.biBitCount / 16;
+ dst_pos = bmp_ptr->file_header.bfOffBits;
+ dst_size += size;
+ dst_buf = FX_Realloc(uint8_t, dst_buf, dst_size);
+ if (dst_buf == NULL) {
+ return;
+ }
+ FXSYS_memset(&dst_buf[dst_pos], 0, size);
+ FX_DWORD mask_red;
+ FX_DWORD mask_green;
+ FX_DWORD mask_blue;
+ mask_red = 0x7C00;
+ mask_green = 0x03E0;
+ mask_blue = 0x001F;
+ if (bmp_ptr->info_header.biCompression == BMP_BITFIELDS) {
+ if (bmp_ptr->bit_type == BMP_BIT_565) {
+ mask_red = 0xF800;
+ mask_green = 0x07E0;
+ mask_blue = 0x001F;
+ }
+ if (bmp_ptr->info_header.biBitCount == 32) {
+ mask_red = 0xFF0000;
+ mask_green = 0x00FF00;
+ mask_blue = 0x0000FF;
+ }
+ _SetDWord_LSBFirst(&dst_buf[dst_pos], mask_red);
+ dst_pos += 4;
+ _SetDWord_LSBFirst(&dst_buf[dst_pos], mask_green);
+ dst_pos += 4;
+ _SetDWord_LSBFirst(&dst_buf[dst_pos], mask_blue);
+ dst_pos += 4;
+ bmp_ptr->file_header.bfOffBits = dst_pos;
+ }
+ uint8_t blue_bits = 0;
+ uint8_t green_bits = 0;
+ uint8_t red_bits = 0;
+ for (i = 0; i < bmp_ptr->info_header.biBitCount; i++) {
+ if ((mask_blue >> i) & 0x01) {
+ blue_bits++;
+ }
+ if ((mask_green >> i) & 0x01) {
+ green_bits++;
+ }
+ if ((mask_red >> i) & 0x01) {
+ red_bits++;
+ }
+ }
+ green_bits += blue_bits;
+ red_bits += green_bits;
+ blue_bits = 8 - blue_bits;
+ green_bits -= 8;
+ red_bits -= 8;
+ i = 0;
+ for (int32_t row_num = bmp_ptr->src_row - 1; row_num > -1; row_num--, i = 0) {
+ while (i < bmp_ptr->src_width * bmp_ptr->src_bpp / 8) {
+ uint8_t b = bmp_ptr->src_buf[row_num * bmp_ptr->src_pitch + i++];
+ uint8_t g = bmp_ptr->src_buf[row_num * bmp_ptr->src_pitch + i++];
+ uint8_t r = bmp_ptr->src_buf[row_num * bmp_ptr->src_pitch + i++];
+ if (bmp_ptr->src_bpp == 32) {
+ i++;
+ }
+ FX_DWORD pix_val = 0;
+ pix_val |= (b >> blue_bits) & mask_blue;
+ pix_val |= (g << green_bits) & mask_green;
+ pix_val |= (r << red_bits) & mask_red;
+ if (bmp_ptr->info_header.biBitCount == 16) {
+ _SetWord_LSBFirst(&dst_buf[dst_pos], (FX_WORD)pix_val);
+ dst_pos += 2;
+ } else {
+ _SetDWord_LSBFirst(&dst_buf[dst_pos], pix_val);
dst_pos += 4;
- _SetDWord_LSBFirst(&dst_buf[dst_pos], mask_blue);
- dst_pos += 4;
- bmp_ptr->file_header.bfOffBits = dst_pos;
+ }
}
- uint8_t blue_bits = 0;
- uint8_t green_bits = 0;
- uint8_t red_bits = 0;
- for(i = 0; i < bmp_ptr->info_header.biBitCount; i++) {
- if((mask_blue >> i) & 0x01) {
- blue_bits++;
- }
- if((mask_green >> i) & 0x01) {
- green_bits++;
- }
- if((mask_red >> i) & 0x01) {
- red_bits++;
- }
- }
- green_bits += blue_bits;
- red_bits += green_bits;
- blue_bits = 8 - blue_bits;
- green_bits -= 8;
- red_bits -= 8;
- i = 0;
- for (int32_t row_num = bmp_ptr->src_row - 1; row_num > -1; row_num--, i = 0) {
- while (i < bmp_ptr->src_width * bmp_ptr->src_bpp / 8) {
- uint8_t b = bmp_ptr->src_buf[row_num * bmp_ptr->src_pitch + i++];
- uint8_t g = bmp_ptr->src_buf[row_num * bmp_ptr->src_pitch + i++];
- uint8_t r = bmp_ptr->src_buf[row_num * bmp_ptr->src_pitch + i++];
- if (bmp_ptr->src_bpp == 32) {
- i++;
- }
- FX_DWORD pix_val = 0;
- pix_val |= (b >> blue_bits) & mask_blue;
- pix_val |= (g << green_bits) & mask_green;
- pix_val |= (r << red_bits) & mask_red;
- if (bmp_ptr->info_header.biBitCount == 16) {
- _SetWord_LSBFirst(&dst_buf[dst_pos], (FX_WORD)pix_val);
- dst_pos += 2;
- } else {
- _SetDWord_LSBFirst(&dst_buf[dst_pos], pix_val);
- dst_pos += 4;
- }
- }
- }
- dst_size = dst_pos;
+ }
+ dst_size = dst_pos;
}
#endif
-static void _bmp_encode_rgb(bmp_compress_struct_p bmp_ptr, uint8_t*& dst_buf, FX_DWORD& dst_size)
-{
- if (bmp_ptr->info_header.biBitCount == 16) {
+static void _bmp_encode_rgb(bmp_compress_struct_p bmp_ptr,
+ uint8_t*& dst_buf,
+ FX_DWORD& dst_size) {
+ if (bmp_ptr->info_header.biBitCount == 16) {
#ifdef BMP_SUPPORT_BITFIELD
- _bmp_encode_bitfields(bmp_ptr, dst_buf, dst_size);
+ _bmp_encode_bitfields(bmp_ptr, dst_buf, dst_size);
#endif
- return;
- }
- FX_DWORD size, dst_pos;
- FX_DWORD dst_pitch = (bmp_ptr->src_width * bmp_ptr->info_header.biBitCount + 31) / 32 * 4;
- size = dst_pitch * bmp_ptr->src_row;
- dst_pos = bmp_ptr->file_header.bfOffBits;
- dst_size += size;
- dst_buf = FX_Realloc(uint8_t, dst_buf, dst_size);
- if (dst_buf == NULL) {
- return;
- }
- FXSYS_memset(&dst_buf[dst_pos], 0, size);
- for (int32_t row_num = bmp_ptr->src_row - 1; row_num > -1; row_num--) {
- FXSYS_memcpy(&dst_buf[dst_pos], &bmp_ptr->src_buf[row_num * bmp_ptr->src_pitch], bmp_ptr->src_pitch);
- dst_pos += dst_pitch;
- }
- dst_size = dst_pos;
+ return;
+ }
+ FX_DWORD size, dst_pos;
+ FX_DWORD dst_pitch =
+ (bmp_ptr->src_width * bmp_ptr->info_header.biBitCount + 31) / 32 * 4;
+ size = dst_pitch * bmp_ptr->src_row;
+ dst_pos = bmp_ptr->file_header.bfOffBits;
+ dst_size += size;
+ dst_buf = FX_Realloc(uint8_t, dst_buf, dst_size);
+ if (dst_buf == NULL) {
+ return;
+ }
+ FXSYS_memset(&dst_buf[dst_pos], 0, size);
+ for (int32_t row_num = bmp_ptr->src_row - 1; row_num > -1; row_num--) {
+ FXSYS_memcpy(&dst_buf[dst_pos],
+ &bmp_ptr->src_buf[row_num * bmp_ptr->src_pitch],
+ bmp_ptr->src_pitch);
+ dst_pos += dst_pitch;
+ }
+ dst_size = dst_pos;
}
-static uint8_t _bmp_rle8_search(const uint8_t* buf, int32_t len)
-{
- uint8_t num;
- num = 1;
- while (num < len) {
- if (buf[num - 1] != buf[num] || num == 0xFF) {
- break;
- }
- num++;
- }
- return num;
+static uint8_t _bmp_rle8_search(const uint8_t* buf, int32_t len) {
+ uint8_t num;
+ num = 1;
+ while (num < len) {
+ if (buf[num - 1] != buf[num] || num == 0xFF) {
+ break;
+ }
+ num++;
+ }
+ return num;
}
-static void _bmp_encode_rle8(bmp_compress_struct_p bmp_ptr, uint8_t*& dst_buf, FX_DWORD& dst_size)
-{
- FX_DWORD size, dst_pos, index;
- uint8_t rle[2] = {0};
- size = bmp_ptr->src_pitch * bmp_ptr->src_row * 2;
- dst_pos = bmp_ptr->file_header.bfOffBits;
- dst_size += size;
- dst_buf = FX_Realloc(uint8_t, dst_buf, dst_size);
- if (dst_buf == NULL) {
- return;
- }
- FXSYS_memset(&dst_buf[dst_pos], 0, size);
- for (int32_t row_num = bmp_ptr->src_row - 1, i = 0; row_num > -1; ) {
- index = row_num * bmp_ptr->src_pitch;
- rle[0] = _bmp_rle8_search(&bmp_ptr->src_buf[index + i], size - index - i);
- rle[1] = bmp_ptr->src_buf[index + i];
- if (i + rle[0] >= (int32_t)bmp_ptr->src_pitch) {
- rle[0] = uint8_t(bmp_ptr->src_pitch - i);
- if (rle[0]) {
- dst_buf[dst_pos++] = rle[0];
- dst_buf[dst_pos++] = rle[1];
- }
- dst_buf[dst_pos++] = RLE_MARKER;
- dst_buf[dst_pos++] = RLE_EOL;
- i = 0;
- row_num--;
- } else {
- i += rle[0];
- dst_buf[dst_pos++] = rle[0];
- dst_buf[dst_pos++] = rle[1];
- }
- }
- dst_buf[dst_pos++] = RLE_MARKER;
- dst_buf[dst_pos++] = RLE_EOI;
- dst_size = dst_pos;
+static void _bmp_encode_rle8(bmp_compress_struct_p bmp_ptr,
+ uint8_t*& dst_buf,
+ FX_DWORD& dst_size) {
+ FX_DWORD size, dst_pos, index;
+ uint8_t rle[2] = {0};
+ size = bmp_ptr->src_pitch * bmp_ptr->src_row * 2;
+ dst_pos = bmp_ptr->file_header.bfOffBits;
+ dst_size += size;
+ dst_buf = FX_Realloc(uint8_t, dst_buf, dst_size);
+ if (dst_buf == NULL) {
+ return;
+ }
+ FXSYS_memset(&dst_buf[dst_pos], 0, size);
+ for (int32_t row_num = bmp_ptr->src_row - 1, i = 0; row_num > -1;) {
+ index = row_num * bmp_ptr->src_pitch;
+ rle[0] = _bmp_rle8_search(&bmp_ptr->src_buf[index + i], size - index - i);
+ rle[1] = bmp_ptr->src_buf[index + i];
+ if (i + rle[0] >= (int32_t)bmp_ptr->src_pitch) {
+ rle[0] = uint8_t(bmp_ptr->src_pitch - i);
+ if (rle[0]) {
+ dst_buf[dst_pos++] = rle[0];
+ dst_buf[dst_pos++] = rle[1];
+ }
+ dst_buf[dst_pos++] = RLE_MARKER;
+ dst_buf[dst_pos++] = RLE_EOL;
+ i = 0;
+ row_num--;
+ } else {
+ i += rle[0];
+ dst_buf[dst_pos++] = rle[0];
+ dst_buf[dst_pos++] = rle[1];
+ }
+ }
+ dst_buf[dst_pos++] = RLE_MARKER;
+ dst_buf[dst_pos++] = RLE_EOI;
+ dst_size = dst_pos;
}
-static uint8_t _bmp_rle4_search(const uint8_t* buf, int32_t len)
-{
- uint8_t num;
- num = 2;
- while (num < len) {
- if (buf[num - 2] != buf[num] || num == 0xFF) {
- break;
- }
- num++;
- }
- return num;
+static uint8_t _bmp_rle4_search(const uint8_t* buf, int32_t len) {
+ uint8_t num;
+ num = 2;
+ while (num < len) {
+ if (buf[num - 2] != buf[num] || num == 0xFF) {
+ break;
+ }
+ num++;
+ }
+ return num;
}
-static void _bmp_encode_rle4(bmp_compress_struct_p bmp_ptr, uint8_t*& dst_buf, FX_DWORD& dst_size)
-{
- FX_DWORD size, dst_pos, index;
- uint8_t rle[2] = {0};
- size = bmp_ptr->src_pitch * bmp_ptr->src_row;
- dst_pos = bmp_ptr->file_header.bfOffBits;
- dst_size += size;
- dst_buf = FX_Realloc(uint8_t, dst_buf, dst_size);
- if (dst_buf == NULL) {
- return;
- }
- FXSYS_memset(&dst_buf[dst_pos], 0, size);
- for (int32_t row_num = bmp_ptr->src_row - 1, i = 0; row_num > -1; rle[1] = 0) {
- index = row_num * bmp_ptr->src_pitch;
- rle[0] = _bmp_rle4_search(&bmp_ptr->src_buf[index + i], size - index - i);
- rle[1] |= (bmp_ptr->src_buf[index + i] & 0x0f) << 4;
- rle[1] |= bmp_ptr->src_buf[index + i + 1] & 0x0f;
- if (i + rle[0] >= (int32_t)bmp_ptr->src_pitch) {
- rle[0] = uint8_t(bmp_ptr->src_pitch - i);
- if (rle[0]) {
- dst_buf[dst_pos++] = rle[0];
- dst_buf[dst_pos++] = rle[1];
- }
- dst_buf[dst_pos++] = RLE_MARKER;
- dst_buf[dst_pos++] = RLE_EOL;
- i = 0;
- row_num--;
- } else {
- i += rle[0];
- dst_buf[dst_pos++] = rle[0];
- dst_buf[dst_pos++] = rle[1];
- }
- }
- dst_buf[dst_pos++] = RLE_MARKER;
- dst_buf[dst_pos++] = RLE_EOI;
- dst_size = dst_pos;
+static void _bmp_encode_rle4(bmp_compress_struct_p bmp_ptr,
+ uint8_t*& dst_buf,
+ FX_DWORD& dst_size) {
+ FX_DWORD size, dst_pos, index;
+ uint8_t rle[2] = {0};
+ size = bmp_ptr->src_pitch * bmp_ptr->src_row;
+ dst_pos = bmp_ptr->file_header.bfOffBits;
+ dst_size += size;
+ dst_buf = FX_Realloc(uint8_t, dst_buf, dst_size);
+ if (dst_buf == NULL) {
+ return;
+ }
+ FXSYS_memset(&dst_buf[dst_pos], 0, size);
+ for (int32_t row_num = bmp_ptr->src_row - 1, i = 0; row_num > -1;
+ rle[1] = 0) {
+ index = row_num * bmp_ptr->src_pitch;
+ rle[0] = _bmp_rle4_search(&bmp_ptr->src_buf[index + i], size - index - i);
+ rle[1] |= (bmp_ptr->src_buf[index + i] & 0x0f) << 4;
+ rle[1] |= bmp_ptr->src_buf[index + i + 1] & 0x0f;
+ if (i + rle[0] >= (int32_t)bmp_ptr->src_pitch) {
+ rle[0] = uint8_t(bmp_ptr->src_pitch - i);
+ if (rle[0]) {
+ dst_buf[dst_pos++] = rle[0];
+ dst_buf[dst_pos++] = rle[1];
+ }
+ dst_buf[dst_pos++] = RLE_MARKER;
+ dst_buf[dst_pos++] = RLE_EOL;
+ i = 0;
+ row_num--;
+ } else {
+ i += rle[0];
+ dst_buf[dst_pos++] = rle[0];
+ dst_buf[dst_pos++] = rle[1];
+ }
+ }
+ dst_buf[dst_pos++] = RLE_MARKER;
+ dst_buf[dst_pos++] = RLE_EOI;
+ dst_size = dst_pos;
}
-FX_BOOL _bmp_encode_image( bmp_compress_struct_p bmp_ptr, uint8_t*& dst_buf, FX_DWORD& dst_size )
-{
- FX_DWORD head_size = sizeof(BmpFileHeader) + sizeof(BmpInfoHeader);
- FX_DWORD pal_size = sizeof(FX_DWORD) * bmp_ptr->pal_num;
- if (bmp_ptr->info_header.biClrUsed > 0 && bmp_ptr->info_header.biClrUsed < bmp_ptr->pal_num) {
- pal_size = sizeof(FX_DWORD) * bmp_ptr->info_header.biClrUsed;
- }
- dst_size = head_size + sizeof(FX_DWORD) * bmp_ptr->pal_num;
- dst_buf = FX_TryAlloc(uint8_t, dst_size);
- if (dst_buf == NULL) {
- return FALSE;
- }
- FXSYS_memset(dst_buf, 0, dst_size);
- bmp_ptr->file_header.bfOffBits = head_size;
- if (bmp_ptr->pal_ptr && pal_size) {
- FXSYS_memcpy(&dst_buf[head_size], bmp_ptr->pal_ptr, pal_size);
- bmp_ptr->file_header.bfOffBits += pal_size;
- }
- WriteInfoHeader(&bmp_ptr->info_header, dst_buf);
- switch(bmp_ptr->info_header.biCompression) {
- case BMP_RGB:
- _bmp_encode_rgb(bmp_ptr, dst_buf, dst_size);
- break;
- case BMP_BITFIELDS:
+FX_BOOL _bmp_encode_image(bmp_compress_struct_p bmp_ptr,
+ uint8_t*& dst_buf,
+ FX_DWORD& dst_size) {
+ FX_DWORD head_size = sizeof(BmpFileHeader) + sizeof(BmpInfoHeader);
+ FX_DWORD pal_size = sizeof(FX_DWORD) * bmp_ptr->pal_num;
+ if (bmp_ptr->info_header.biClrUsed > 0 &&
+ bmp_ptr->info_header.biClrUsed < bmp_ptr->pal_num) {
+ pal_size = sizeof(FX_DWORD) * bmp_ptr->info_header.biClrUsed;
+ }
+ dst_size = head_size + sizeof(FX_DWORD) * bmp_ptr->pal_num;
+ dst_buf = FX_TryAlloc(uint8_t, dst_size);
+ if (dst_buf == NULL) {
+ return FALSE;
+ }
+ FXSYS_memset(dst_buf, 0, dst_size);
+ bmp_ptr->file_header.bfOffBits = head_size;
+ if (bmp_ptr->pal_ptr && pal_size) {
+ FXSYS_memcpy(&dst_buf[head_size], bmp_ptr->pal_ptr, pal_size);
+ bmp_ptr->file_header.bfOffBits += pal_size;
+ }
+ WriteInfoHeader(&bmp_ptr->info_header, dst_buf);
+ switch (bmp_ptr->info_header.biCompression) {
+ case BMP_RGB:
+ _bmp_encode_rgb(bmp_ptr, dst_buf, dst_size);
+ break;
+ case BMP_BITFIELDS:
#ifdef BMP_SUPPORT_BITFIELD
- _bmp_encode_bitfields(bmp_ptr, dst_buf, dst_size);
+ _bmp_encode_bitfields(bmp_ptr, dst_buf, dst_size);
#endif
- break;
- case BMP_RLE8:
- _bmp_encode_rle8(bmp_ptr, dst_buf, dst_size);
- break;
- case BMP_RLE4:
- _bmp_encode_rle4(bmp_ptr, dst_buf, dst_size);
- break;
- default:
- ;
- }
- bmp_ptr->file_header.bfSize = dst_size;
- WriteFileHeader(&bmp_ptr->file_header, dst_buf);
- return TRUE;
+ break;
+ case BMP_RLE8:
+ _bmp_encode_rle8(bmp_ptr, dst_buf, dst_size);
+ break;
+ case BMP_RLE4:
+ _bmp_encode_rle4(bmp_ptr, dst_buf, dst_size);
+ break;
+ default:;
+ }
+ bmp_ptr->file_header.bfSize = dst_size;
+ WriteFileHeader(&bmp_ptr->file_header, dst_buf);
+ return TRUE;
}
diff --git a/core/src/fxcodec/lbmp/fx_bmp.h b/core/src/fxcodec/lbmp/fx_bmp.h index f3c6e5b133..2f05f2ca1c 100644 --- a/core/src/fxcodec/lbmp/fx_bmp.h +++ b/core/src/fxcodec/lbmp/fx_bmp.h @@ -9,100 +9,104 @@ #include "../../../include/fxcrt/fx_basic.h"
#define BMP_SUPPORT_BITFIELD
-#define BMP_WIDTHBYTES(width,bitCount) ((width*bitCount) + 31)/32*4
-#define BMP_PAL_ENCODE(a,r,g,b) (((FX_DWORD)(a) << 24) | ((r) << 16) | ((g) << 8) | (b))
-#define BMP_D_STATUS_HEADER 0x01
-#define BMP_D_STATUS_PAL 0x02
-#define BMP_D_STATUS_DATA_PRE 0x03
-#define BMP_D_STATUS_DATA 0x04
-#define BMP_D_STATUS_TAIL 0x00
-#define BMP_SIGNATURE 0x4D42
-#define BMP_PAL_NEW 0
-#define BMP_PAL_OLD 1
-#define RLE_MARKER 0
-#define RLE_EOL 0
-#define RLE_EOI 1
-#define RLE_DELTA 2
-#define BMP_RGB 0L
-#define BMP_RLE8 1L
-#define BMP_RLE4 2L
-#define BMP_BITFIELDS 3L
-#define BMP_BIT_555 0
-#define BMP_BIT_565 1
-#define BMP_MAX_ERROR_SIZE 256
+#define BMP_WIDTHBYTES(width, bitCount) ((width * bitCount) + 31) / 32 * 4
+#define BMP_PAL_ENCODE(a, r, g, b) \
+ (((FX_DWORD)(a) << 24) | ((r) << 16) | ((g) << 8) | (b))
+#define BMP_D_STATUS_HEADER 0x01
+#define BMP_D_STATUS_PAL 0x02
+#define BMP_D_STATUS_DATA_PRE 0x03
+#define BMP_D_STATUS_DATA 0x04
+#define BMP_D_STATUS_TAIL 0x00
+#define BMP_SIGNATURE 0x4D42
+#define BMP_PAL_NEW 0
+#define BMP_PAL_OLD 1
+#define RLE_MARKER 0
+#define RLE_EOL 0
+#define RLE_EOI 1
+#define RLE_DELTA 2
+#define BMP_RGB 0L
+#define BMP_RLE8 1L
+#define BMP_RLE4 2L
+#define BMP_BITFIELDS 3L
+#define BMP_BIT_555 0
+#define BMP_BIT_565 1
+#define BMP_MAX_ERROR_SIZE 256
#pragma pack(1)
typedef struct tagBmpFileHeader {
- FX_WORD bfType;
- FX_DWORD bfSize;
- FX_WORD bfReserved1;
- FX_WORD bfReserved2;
- FX_DWORD bfOffBits;
+ FX_WORD bfType;
+ FX_DWORD bfSize;
+ FX_WORD bfReserved1;
+ FX_WORD bfReserved2;
+ FX_DWORD bfOffBits;
} BmpFileHeader, *BmpFileHeaderPtr;
typedef struct tagBmpCoreHeader {
- FX_DWORD bcSize;
- FX_WORD bcWidth;
- FX_WORD bcHeight;
- FX_WORD bcPlanes;
- FX_WORD bcBitCount;
+ FX_DWORD bcSize;
+ FX_WORD bcWidth;
+ FX_WORD bcHeight;
+ FX_WORD bcPlanes;
+ FX_WORD bcBitCount;
} BmpCoreHeader, *BmpCoreHeaderPtr;
typedef struct tagBmpInfoHeader {
- FX_DWORD biSize;
- int32_t biWidth;
- int32_t biHeight;
- FX_WORD biPlanes;
- FX_WORD biBitCount;
- FX_DWORD biCompression;
- FX_DWORD biSizeImage;
- int32_t biXPelsPerMeter;
- int32_t biYPelsPerMeter;
- FX_DWORD biClrUsed;
- FX_DWORD biClrImportant;
+ FX_DWORD biSize;
+ int32_t biWidth;
+ int32_t biHeight;
+ FX_WORD biPlanes;
+ FX_WORD biBitCount;
+ FX_DWORD biCompression;
+ FX_DWORD biSizeImage;
+ int32_t biXPelsPerMeter;
+ int32_t biYPelsPerMeter;
+ FX_DWORD biClrUsed;
+ FX_DWORD biClrImportant;
} BmpInfoHeader, *BmpInfoHeaderPtr;
#pragma pack()
typedef struct tag_bmp_decompress_struct bmp_decompress_struct;
-typedef bmp_decompress_struct *bmp_decompress_struct_p;
-typedef bmp_decompress_struct_p *bmp_decompress_struct_pp;
+typedef bmp_decompress_struct* bmp_decompress_struct_p;
+typedef bmp_decompress_struct_p* bmp_decompress_struct_pp;
struct tag_bmp_decompress_struct {
- jmp_buf jmpbuf;
- FX_CHAR* err_ptr;
- void (*_bmp_error_fn)(bmp_decompress_struct_p gif_ptr, const FX_CHAR* err_msg);
+ jmp_buf jmpbuf;
+ FX_CHAR* err_ptr;
+ void (*_bmp_error_fn)(bmp_decompress_struct_p gif_ptr,
+ const FX_CHAR* err_msg);
- void* context_ptr;
+ void* context_ptr;
- BmpFileHeaderPtr bmp_header_ptr;
- BmpInfoHeaderPtr bmp_infoheader_ptr;
- int32_t width;
- int32_t height;
- FX_DWORD compress_flag;
- int32_t components;
- int32_t src_row_bytes;
- int32_t out_row_bytes;
- uint8_t* out_row_buffer;
- FX_WORD bitCounts;
- FX_DWORD color_used;
- FX_BOOL imgTB_flag;
- int32_t pal_num;
- int32_t pal_type;
- FX_DWORD* pal_ptr;
- FX_DWORD data_size;
- FX_DWORD img_data_offset;
- FX_DWORD img_ifh_size;
- int32_t row_num;
- int32_t col_num;
- int32_t dpi_x;
- int32_t dpi_y;
+ BmpFileHeaderPtr bmp_header_ptr;
+ BmpInfoHeaderPtr bmp_infoheader_ptr;
+ int32_t width;
+ int32_t height;
+ FX_DWORD compress_flag;
+ int32_t components;
+ int32_t src_row_bytes;
+ int32_t out_row_bytes;
+ uint8_t* out_row_buffer;
+ FX_WORD bitCounts;
+ FX_DWORD color_used;
+ FX_BOOL imgTB_flag;
+ int32_t pal_num;
+ int32_t pal_type;
+ FX_DWORD* pal_ptr;
+ FX_DWORD data_size;
+ FX_DWORD img_data_offset;
+ FX_DWORD img_ifh_size;
+ int32_t row_num;
+ int32_t col_num;
+ int32_t dpi_x;
+ int32_t dpi_y;
#ifdef BMP_SUPPORT_BITFIELD
- FX_DWORD mask_red;
- FX_DWORD mask_green;
- FX_DWORD mask_blue;
+ FX_DWORD mask_red;
+ FX_DWORD mask_green;
+ FX_DWORD mask_blue;
#endif
- FX_BOOL (*_bmp_get_data_position_fn)(bmp_decompress_struct_p bmp_ptr, FX_DWORD cur_pos);
- void (*_bmp_get_row_fn)(bmp_decompress_struct_p bmp_ptr, int32_t row_num, uint8_t* row_buf);
- uint8_t* next_in;
- FX_DWORD avail_in;
- FX_DWORD skip_size;
- int32_t decode_status;
+ FX_BOOL (*_bmp_get_data_position_fn)(bmp_decompress_struct_p bmp_ptr, FX_DWORD cur_pos);
+ void (*_bmp_get_row_fn)(bmp_decompress_struct_p bmp_ptr,
+ int32_t row_num,
+ uint8_t* row_buf);
+ uint8_t* next_in;
+ FX_DWORD avail_in;
+ FX_DWORD skip_size;
+ int32_t decode_status;
};
void _bmp_error(bmp_decompress_struct_p bmp_ptr, const FX_CHAR* err_msg);
bmp_decompress_struct_p _bmp_create_decompress();
@@ -112,32 +116,40 @@ int32_t _bmp_decode_image(bmp_decompress_struct_p bmp_ptr); int32_t _bmp_decode_rgb(bmp_decompress_struct_p bmp_ptr);
int32_t _bmp_decode_rle8(bmp_decompress_struct_p bmp_ptr);
int32_t _bmp_decode_rle4(bmp_decompress_struct_p bmp_ptr);
-uint8_t* _bmp_read_data(bmp_decompress_struct_p bmp_ptr, uint8_t** des_buf_pp, FX_DWORD data_size);
+uint8_t* _bmp_read_data(bmp_decompress_struct_p bmp_ptr,
+ uint8_t** des_buf_pp,
+ FX_DWORD data_size);
void _bmp_save_decoding_status(bmp_decompress_struct_p bmp_ptr, int32_t status);
-void _bmp_input_buffer(bmp_decompress_struct_p bmp_ptr, uint8_t* src_buf, FX_DWORD src_size);
-FX_DWORD _bmp_get_avail_input(bmp_decompress_struct_p bmp_ptr, uint8_t** avial_buf_ptr);
-#define BMP_PTR_NOT_NULL(ptr,bmp_ptr) if(ptr == NULL){ \
- _bmp_error(bmp_ptr,"Out Of Memory");\
- return 0; \
- }
+void _bmp_input_buffer(bmp_decompress_struct_p bmp_ptr,
+ uint8_t* src_buf,
+ FX_DWORD src_size);
+FX_DWORD _bmp_get_avail_input(bmp_decompress_struct_p bmp_ptr,
+ uint8_t** avial_buf_ptr);
+#define BMP_PTR_NOT_NULL(ptr, bmp_ptr) \
+ if (ptr == NULL) { \
+ _bmp_error(bmp_ptr, "Out Of Memory"); \
+ return 0; \
+ }
typedef struct tag_bmp_compress_struct bmp_compress_struct;
-typedef bmp_compress_struct *bmp_compress_struct_p;
-typedef bmp_compress_struct_p *bmp_compress_struct_pp;
+typedef bmp_compress_struct* bmp_compress_struct_p;
+typedef bmp_compress_struct_p* bmp_compress_struct_pp;
struct tag_bmp_compress_struct {
- BmpFileHeader file_header;
- BmpInfoHeader info_header;
- uint8_t* src_buf;
- FX_DWORD src_pitch;
- FX_DWORD src_row;
- uint8_t src_bpp;
- FX_DWORD src_width;
- FX_BOOL src_free;
- FX_DWORD* pal_ptr;
- FX_WORD pal_num;
+ BmpFileHeader file_header;
+ BmpInfoHeader info_header;
+ uint8_t* src_buf;
+ FX_DWORD src_pitch;
+ FX_DWORD src_row;
+ uint8_t src_bpp;
+ FX_DWORD src_width;
+ FX_BOOL src_free;
+ FX_DWORD* pal_ptr;
+ FX_WORD pal_num;
#ifdef BMP_SUPPORT_BITFIELD
- uint8_t bit_type;
+ uint8_t bit_type;
#endif
};
bmp_compress_struct_p _bmp_create_compress();
void _bmp_destroy_compress(bmp_compress_struct_p bmp_ptr);
-FX_BOOL _bmp_encode_image(bmp_compress_struct_p bmp_ptr, uint8_t*& dst_buf, FX_DWORD& dst_size);
+FX_BOOL _bmp_encode_image(bmp_compress_struct_p bmp_ptr,
+ uint8_t*& dst_buf,
+ FX_DWORD& dst_size);
diff --git a/core/src/fxcodec/lgif/fx_gif.cpp b/core/src/fxcodec/lgif/fx_gif.cpp index 6d22f58c16..b07ebb3bc9 100644 --- a/core/src/fxcodec/lgif/fx_gif.cpp +++ b/core/src/fxcodec/lgif/fx_gif.cpp @@ -5,1345 +5,1422 @@ // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
#include "fx_gif.h"
-void CGifLZWDecoder::Input(uint8_t* src_buf, FX_DWORD src_size)
-{
- next_in = src_buf;
- avail_in = src_size;
+void CGifLZWDecoder::Input(uint8_t* src_buf, FX_DWORD src_size) {
+ next_in = src_buf;
+ avail_in = src_size;
}
-FX_DWORD CGifLZWDecoder::GetAvailInput()
-{
- return avail_in;
+FX_DWORD CGifLZWDecoder::GetAvailInput() {
+ return avail_in;
}
-void CGifLZWDecoder::InitTable(uint8_t code_len)
-{
- code_size = code_len;
- code_clear = 1 << code_size;
- code_end = code_clear + 1;
- bits_left = 0;
- code_store = 0;
- next_in = NULL;
- avail_in = 0;
- stack_size = 0;
- code_first = 0;
- ClearTable();
+void CGifLZWDecoder::InitTable(uint8_t code_len) {
+ code_size = code_len;
+ code_clear = 1 << code_size;
+ code_end = code_clear + 1;
+ bits_left = 0;
+ code_store = 0;
+ next_in = NULL;
+ avail_in = 0;
+ stack_size = 0;
+ code_first = 0;
+ ClearTable();
}
-void CGifLZWDecoder::ClearTable()
-{
- code_size_cur = code_size + 1;
- code_next = code_end + 1;
- code_old = (FX_WORD) - 1;
- FXSYS_memset(code_table, 0, sizeof(tag_Table)*GIF_MAX_LZW_CODE);
- FXSYS_memset(stack, 0, GIF_MAX_LZW_CODE);
- for (FX_WORD i = 0; i < code_clear; i++) {
- code_table[i].suffix = (uint8_t)i;
- }
+void CGifLZWDecoder::ClearTable() {
+ code_size_cur = code_size + 1;
+ code_next = code_end + 1;
+ code_old = (FX_WORD)-1;
+ FXSYS_memset(code_table, 0, sizeof(tag_Table) * GIF_MAX_LZW_CODE);
+ FXSYS_memset(stack, 0, GIF_MAX_LZW_CODE);
+ for (FX_WORD i = 0; i < code_clear; i++) {
+ code_table[i].suffix = (uint8_t)i;
+ }
}
-void CGifLZWDecoder::DecodeString(FX_WORD code)
-{
- stack_size = 0;
- while (TRUE) {
- ASSERT(code <= code_next);
- if(code < code_clear || code > code_next) {
- break;
- }
- stack[GIF_MAX_LZW_CODE - 1 - stack_size++] = code_table[code].suffix;
- code = code_table[code].prefix;
- }
- stack[GIF_MAX_LZW_CODE - 1 - stack_size++] = (uint8_t)code;
- code_first = (uint8_t)code;
+void CGifLZWDecoder::DecodeString(FX_WORD code) {
+ stack_size = 0;
+ while (TRUE) {
+ ASSERT(code <= code_next);
+ if (code < code_clear || code > code_next) {
+ break;
+ }
+ stack[GIF_MAX_LZW_CODE - 1 - stack_size++] = code_table[code].suffix;
+ code = code_table[code].prefix;
+ }
+ stack[GIF_MAX_LZW_CODE - 1 - stack_size++] = (uint8_t)code;
+ code_first = (uint8_t)code;
}
-void CGifLZWDecoder::AddCode(FX_WORD prefix_code, uint8_t append_char)
-{
- if(code_next == GIF_MAX_LZW_CODE) {
- return;
- }
- code_table[code_next].prefix = prefix_code;
- code_table[code_next].suffix = append_char;
- if(++code_next < GIF_MAX_LZW_CODE) {
- if(code_next >> code_size_cur) {
- code_size_cur++;
- }
- }
+void CGifLZWDecoder::AddCode(FX_WORD prefix_code, uint8_t append_char) {
+ if (code_next == GIF_MAX_LZW_CODE) {
+ return;
+ }
+ code_table[code_next].prefix = prefix_code;
+ code_table[code_next].suffix = append_char;
+ if (++code_next < GIF_MAX_LZW_CODE) {
+ if (code_next >> code_size_cur) {
+ code_size_cur++;
+ }
+ }
}
-int32_t CGifLZWDecoder::Decode(uint8_t* des_buf, FX_DWORD& des_size)
-{
- if(des_size == 0) {
- return 3;
- }
- FX_DWORD i = 0;
- if(stack_size != 0) {
- if(des_size < stack_size) {
- FXSYS_memcpy(des_buf, &stack[GIF_MAX_LZW_CODE - stack_size], des_size);
- stack_size -= (FX_WORD)des_size;
- return 3;
+int32_t CGifLZWDecoder::Decode(uint8_t* des_buf, FX_DWORD& des_size) {
+ if (des_size == 0) {
+ return 3;
+ }
+ FX_DWORD i = 0;
+ if (stack_size != 0) {
+ if (des_size < stack_size) {
+ FXSYS_memcpy(des_buf, &stack[GIF_MAX_LZW_CODE - stack_size], des_size);
+ stack_size -= (FX_WORD)des_size;
+ return 3;
+ }
+ FXSYS_memcpy(des_buf, &stack[GIF_MAX_LZW_CODE - stack_size], stack_size);
+ des_buf += stack_size;
+ i += stack_size;
+ stack_size = 0;
+ }
+ FX_WORD code = 0;
+ while (i <= des_size && (avail_in > 0 || bits_left >= code_size_cur)) {
+ if (code_size_cur > 12) {
+ if (err_msg_ptr) {
+ FXSYS_strncpy(err_msg_ptr, "Code Length Out Of Range",
+ GIF_MAX_ERROR_SIZE - 1);
+ }
+ return 0;
+ }
+ if (avail_in > 0) {
+ code_store |= (*next_in++) << bits_left;
+ avail_in--;
+ bits_left += 8;
+ }
+ while (bits_left >= code_size_cur) {
+ code = (FX_WORD)code_store & ((1 << code_size_cur) - 1);
+ code_store >>= code_size_cur;
+ bits_left -= code_size_cur;
+ if (code == code_clear) {
+ ClearTable();
+ continue;
+ } else if (code == code_end) {
+ des_size = i;
+ return 1;
+ } else {
+ if (code_old != (FX_WORD)-1) {
+ if (code_next < GIF_MAX_LZW_CODE) {
+ if (code == code_next) {
+ AddCode(code_old, code_first);
+ DecodeString(code);
+ } else if (code > code_next) {
+ if (err_msg_ptr) {
+ FXSYS_strncpy(err_msg_ptr, "Decode Error, Out Of Range",
+ GIF_MAX_ERROR_SIZE - 1);
+ }
+ return 0;
+ } else {
+ DecodeString(code);
+ uint8_t append_char = stack[GIF_MAX_LZW_CODE - stack_size];
+ AddCode(code_old, append_char);
+ }
+ }
+ } else {
+ DecodeString(code);
}
- FXSYS_memcpy(des_buf, &stack[GIF_MAX_LZW_CODE - stack_size], stack_size);
+ code_old = code;
+ if (i + stack_size > des_size) {
+ FXSYS_memcpy(des_buf, &stack[GIF_MAX_LZW_CODE - stack_size],
+ des_size - i);
+ stack_size -= (FX_WORD)(des_size - i);
+ return 3;
+ }
+ FXSYS_memcpy(des_buf, &stack[GIF_MAX_LZW_CODE - stack_size],
+ stack_size);
des_buf += stack_size;
i += stack_size;
stack_size = 0;
- }
- FX_WORD code = 0;
- while(i <= des_size && (avail_in > 0 || bits_left >= code_size_cur)) {
- if(code_size_cur > 12) {
- if(err_msg_ptr) {
- FXSYS_strncpy(err_msg_ptr, "Code Length Out Of Range", GIF_MAX_ERROR_SIZE - 1);
- }
- return 0;
- }
- if (avail_in > 0) {
- code_store |= (*next_in++) << bits_left;
- avail_in--;
- bits_left += 8;
- }
- while (bits_left >= code_size_cur) {
- code = (FX_WORD)code_store & ((1 << code_size_cur) - 1);
- code_store >>= code_size_cur;
- bits_left -= code_size_cur;
- if(code == code_clear) {
- ClearTable();
- continue;
- } else if (code == code_end) {
- des_size = i;
- return 1;
- } else {
- if(code_old != (FX_WORD) - 1) {
- if(code_next < GIF_MAX_LZW_CODE) {
- if(code == code_next) {
- AddCode(code_old, code_first);
- DecodeString(code);
- } else if(code > code_next) {
- if(err_msg_ptr) {
- FXSYS_strncpy(err_msg_ptr, "Decode Error, Out Of Range", GIF_MAX_ERROR_SIZE - 1);
- }
- return 0;
- } else {
- DecodeString(code);
- uint8_t append_char = stack[GIF_MAX_LZW_CODE - stack_size];
- AddCode(code_old, append_char);
- }
- }
- } else {
- DecodeString(code);
- }
- code_old = code;
- if(i + stack_size > des_size) {
- FXSYS_memcpy(des_buf, &stack[GIF_MAX_LZW_CODE - stack_size], des_size - i);
- stack_size -= (FX_WORD)(des_size - i);
- return 3;
- }
- FXSYS_memcpy(des_buf, &stack[GIF_MAX_LZW_CODE - stack_size], stack_size);
- des_buf += stack_size;
- i += stack_size;
- stack_size = 0;
- }
- }
- }
- if(avail_in == 0) {
- des_size = i;
- return 2;
- }
- return 0;
+ }
+ }
+ }
+ if (avail_in == 0) {
+ des_size = i;
+ return 2;
+ }
+ return 0;
}
-static FX_BOOL _gif_grow_buf(uint8_t*& dst_buf, FX_DWORD& dst_len, FX_DWORD size)
-{
- if (dst_len < size) {
- FX_DWORD len_org = dst_len;
- while (dst_buf && dst_len < size) {
- dst_len <<= 1;
- dst_buf = FX_Realloc(uint8_t, dst_buf, dst_len);
- }
- if (dst_buf == NULL) {
- dst_len = size;
- dst_buf = FX_Realloc(uint8_t, dst_buf, dst_len);
- if (dst_buf == NULL) {
- return FALSE;
- }
- }
- FXSYS_memset(dst_buf + len_org, 0, dst_len - len_org);
- return dst_buf != NULL;
+static FX_BOOL _gif_grow_buf(uint8_t*& dst_buf,
+ FX_DWORD& dst_len,
+ FX_DWORD size) {
+ if (dst_len < size) {
+ FX_DWORD len_org = dst_len;
+ while (dst_buf && dst_len < size) {
+ dst_len <<= 1;
+ dst_buf = FX_Realloc(uint8_t, dst_buf, dst_len);
+ }
+ if (dst_buf == NULL) {
+ dst_len = size;
+ dst_buf = FX_Realloc(uint8_t, dst_buf, dst_len);
+ if (dst_buf == NULL) {
+ return FALSE;
+ }
}
- return TRUE;
+ FXSYS_memset(dst_buf + len_org, 0, dst_len - len_org);
+ return dst_buf != NULL;
+ }
+ return TRUE;
}
-static inline void _gif_cut_index(uint8_t& val, FX_DWORD index, uint8_t index_bit, uint8_t index_bit_use, uint8_t bit_use)
-{
- FX_DWORD cut = ((1 << (index_bit - index_bit_use)) - 1) << index_bit_use;
- val |= ((index & cut) >> index_bit_use) << bit_use;
+static inline void _gif_cut_index(uint8_t& val,
+ FX_DWORD index,
+ uint8_t index_bit,
+ uint8_t index_bit_use,
+ uint8_t bit_use) {
+ FX_DWORD cut = ((1 << (index_bit - index_bit_use)) - 1) << index_bit_use;
+ val |= ((index & cut) >> index_bit_use) << bit_use;
}
-static inline uint8_t _gif_cut_buf(const uint8_t* buf, FX_DWORD& offset, uint8_t bit_cut, uint8_t& bit_offset, FX_DWORD& bit_num)
-{
- if (bit_cut != 8) {
- FX_WORD index = 0;
- index |= ((1 << bit_cut) - 1) << (7 - bit_offset);
- uint8_t ret = ((index & buf[offset]) >> (7 - bit_offset));
- bit_offset += bit_cut;
- if (bit_offset >= 8) {
- if (bit_offset > 8) {
- ret |= ((index & (buf[offset + 1] << 8)) >> 8);
- }
- bit_offset -= 8;
- offset ++;
- }
- bit_num += bit_cut;
- return ret;
+static inline uint8_t _gif_cut_buf(const uint8_t* buf,
+ FX_DWORD& offset,
+ uint8_t bit_cut,
+ uint8_t& bit_offset,
+ FX_DWORD& bit_num) {
+ if (bit_cut != 8) {
+ FX_WORD index = 0;
+ index |= ((1 << bit_cut) - 1) << (7 - bit_offset);
+ uint8_t ret = ((index & buf[offset]) >> (7 - bit_offset));
+ bit_offset += bit_cut;
+ if (bit_offset >= 8) {
+ if (bit_offset > 8) {
+ ret |= ((index & (buf[offset + 1] << 8)) >> 8);
+ }
+ bit_offset -= 8;
+ offset++;
}
bit_num += bit_cut;
- return buf[offset++];
+ return ret;
+ }
+ bit_num += bit_cut;
+ return buf[offset++];
}
-CGifLZWEncoder::CGifLZWEncoder()
-{
- FXSYS_memset(this, 0, sizeof(CGifLZWEncoder));
+CGifLZWEncoder::CGifLZWEncoder() {
+ FXSYS_memset(this, 0, sizeof(CGifLZWEncoder));
}
-CGifLZWEncoder::~CGifLZWEncoder()
-{
-}
-void CGifLZWEncoder::ClearTable()
-{
- index_bit_cur = code_size + 1;
- index_num = code_end + 1;
- table_cur = code_end + 1;
- for (FX_WORD i = 0; i < GIF_MAX_LZW_CODE; i++) {
- code_table[i].prefix = 0;
- code_table[i].suffix = 0;
- }
+CGifLZWEncoder::~CGifLZWEncoder() {}
+void CGifLZWEncoder::ClearTable() {
+ index_bit_cur = code_size + 1;
+ index_num = code_end + 1;
+ table_cur = code_end + 1;
+ for (FX_WORD i = 0; i < GIF_MAX_LZW_CODE; i++) {
+ code_table[i].prefix = 0;
+ code_table[i].suffix = 0;
+ }
}
-void CGifLZWEncoder::Start( uint8_t code_len, const uint8_t* src_buf, uint8_t*& dst_buf, FX_DWORD& offset)
-{
- code_size = code_len + 1;
- src_bit_cut = code_size;
- if (code_len == 0) {
- src_bit_cut = 1;
- code_size = 2;
- }
- code_clear = 1 << code_size;
- code_end = code_clear + 1;
- dst_buf[offset++] = code_size;
- bit_offset = 0;
- ClearTable();
- src_offset = 0;
- src_bit_offset = 0;
- src_bit_num = 0;
- code_table[index_num].prefix = _gif_cut_buf(src_buf, src_offset, src_bit_cut, src_bit_offset, src_bit_num);
- code_table[index_num].suffix = _gif_cut_buf(src_buf, src_offset, src_bit_cut, src_bit_offset, src_bit_num);
+void CGifLZWEncoder::Start(uint8_t code_len,
+ const uint8_t* src_buf,
+ uint8_t*& dst_buf,
+ FX_DWORD& offset) {
+ code_size = code_len + 1;
+ src_bit_cut = code_size;
+ if (code_len == 0) {
+ src_bit_cut = 1;
+ code_size = 2;
+ }
+ code_clear = 1 << code_size;
+ code_end = code_clear + 1;
+ dst_buf[offset++] = code_size;
+ bit_offset = 0;
+ ClearTable();
+ src_offset = 0;
+ src_bit_offset = 0;
+ src_bit_num = 0;
+ code_table[index_num].prefix = _gif_cut_buf(src_buf, src_offset, src_bit_cut,
+ src_bit_offset, src_bit_num);
+ code_table[index_num].suffix = _gif_cut_buf(src_buf, src_offset, src_bit_cut,
+ src_bit_offset, src_bit_num);
}
-void CGifLZWEncoder::WriteBlock(uint8_t*& dst_buf, FX_DWORD& dst_len, FX_DWORD& offset)
-{
- if (!_gif_grow_buf(dst_buf, dst_len, offset + GIF_DATA_BLOCK + 1)) {
- longjmp(jmp, 1);
- }
- dst_buf[offset++] = index_buf_len;
- FXSYS_memcpy(&dst_buf[offset], index_buf, index_buf_len);
- offset += index_buf_len;
- FXSYS_memset(index_buf, 0, GIF_DATA_BLOCK);
- index_buf_len = 0;
+void CGifLZWEncoder::WriteBlock(uint8_t*& dst_buf,
+ FX_DWORD& dst_len,
+ FX_DWORD& offset) {
+ if (!_gif_grow_buf(dst_buf, dst_len, offset + GIF_DATA_BLOCK + 1)) {
+ longjmp(jmp, 1);
+ }
+ dst_buf[offset++] = index_buf_len;
+ FXSYS_memcpy(&dst_buf[offset], index_buf, index_buf_len);
+ offset += index_buf_len;
+ FXSYS_memset(index_buf, 0, GIF_DATA_BLOCK);
+ index_buf_len = 0;
}
-void CGifLZWEncoder::EncodeString( FX_DWORD index, uint8_t*& dst_buf, FX_DWORD& dst_len, FX_DWORD& offset )
-{
- uint8_t index_bit_use;
- index_bit_use = 0;
+void CGifLZWEncoder::EncodeString(FX_DWORD index,
+ uint8_t*& dst_buf,
+ FX_DWORD& dst_len,
+ FX_DWORD& offset) {
+ uint8_t index_bit_use;
+ index_bit_use = 0;
+ if (index_buf_len == GIF_DATA_BLOCK) {
+ WriteBlock(dst_buf, dst_len, offset);
+ }
+ _gif_cut_index(index_buf[index_buf_len], index, index_bit_cur, index_bit_use,
+ bit_offset);
+ if (index_bit_cur <= (8 - bit_offset)) {
+ bit_offset += index_bit_cur;
+ } else if (index_bit_cur <= (16 - bit_offset)) {
+ index_bit_use += (8 - bit_offset);
+ bit_offset = 0;
+ index_buf_len++;
if (index_buf_len == GIF_DATA_BLOCK) {
- WriteBlock(dst_buf, dst_len, offset);
- }
- _gif_cut_index(index_buf[index_buf_len], index, index_bit_cur, index_bit_use, bit_offset);
- if (index_bit_cur <= (8 - bit_offset)) {
- bit_offset += index_bit_cur;
- } else if (index_bit_cur <= (16 - bit_offset)) {
- index_bit_use += (8 - bit_offset);
- bit_offset = 0;
- index_buf_len++;
- if (index_buf_len == GIF_DATA_BLOCK) {
- WriteBlock(dst_buf, dst_len, offset);
- }
- _gif_cut_index(index_buf[index_buf_len], index, index_bit_cur, index_bit_use, bit_offset);
- bit_offset = index_bit_cur - index_bit_use;
- } else {
- index_bit_use += (8 - bit_offset);
- bit_offset = 0;
- index_buf_len++;
- if (index_buf_len == GIF_DATA_BLOCK) {
- WriteBlock(dst_buf, dst_len, offset);
- }
- _gif_cut_index(index_buf[index_buf_len], index, index_bit_cur, index_bit_use, bit_offset);
- index_bit_use += 8;
- bit_offset = 0;
- index_buf_len++;
- if (index_buf_len == GIF_DATA_BLOCK) {
- WriteBlock(dst_buf, dst_len, offset);
- }
- _gif_cut_index(index_buf[index_buf_len], index, index_bit_cur, index_bit_use, bit_offset);
- bit_offset = index_bit_cur - index_bit_use;
- }
- if (bit_offset == 8) {
- bit_offset = 0;
- index_buf_len++;
- if (index_buf_len == GIF_DATA_BLOCK) {
- WriteBlock(dst_buf, dst_len, offset);
- }
- }
- if (index == code_end) {
- index_buf_len++;
- WriteBlock(dst_buf, dst_len, offset);
+ WriteBlock(dst_buf, dst_len, offset);
}
- if (index_num++ >> index_bit_cur) {
- index_bit_cur++;
- }
-}
-FX_BOOL CGifLZWEncoder::Encode( const uint8_t* src_buf, FX_DWORD src_len, uint8_t*& dst_buf, FX_DWORD& dst_len, FX_DWORD& offset )
-{
- uint8_t suffix;
- if (setjmp(jmp)) {
- return FALSE;
+ _gif_cut_index(index_buf[index_buf_len], index, index_bit_cur,
+ index_bit_use, bit_offset);
+ bit_offset = index_bit_cur - index_bit_use;
+ } else {
+ index_bit_use += (8 - bit_offset);
+ bit_offset = 0;
+ index_buf_len++;
+ if (index_buf_len == GIF_DATA_BLOCK) {
+ WriteBlock(dst_buf, dst_len, offset);
}
- while(src_bit_num < src_len) {
- if (!LookUpInTable(src_buf, src_offset, src_bit_offset)) {
- EncodeString(code_table[index_num].prefix, dst_buf, dst_len, offset);
- if (index_num == GIF_MAX_LZW_CODE) {
- suffix = code_table[index_num - 1].suffix;
- EncodeString(code_clear, dst_buf, dst_len, offset);
- ClearTable();
- code_table[index_num].prefix = suffix;
- code_table[index_num].suffix = _gif_cut_buf(src_buf, src_offset, src_bit_cut, src_bit_offset, src_bit_num);
- } else {
- code_table[index_num].prefix = code_table[index_num - 1].suffix;
- code_table[index_num].suffix = _gif_cut_buf(src_buf, src_offset, src_bit_cut, src_bit_offset, src_bit_num);
- }
- }
+ _gif_cut_index(index_buf[index_buf_len], index, index_bit_cur,
+ index_bit_use, bit_offset);
+ index_bit_use += 8;
+ bit_offset = 0;
+ index_buf_len++;
+ if (index_buf_len == GIF_DATA_BLOCK) {
+ WriteBlock(dst_buf, dst_len, offset);
}
- src_offset = 0;
- src_bit_offset = 0;
- src_bit_num = 0;
- return TRUE;
+ _gif_cut_index(index_buf[index_buf_len], index, index_bit_cur,
+ index_bit_use, bit_offset);
+ bit_offset = index_bit_cur - index_bit_use;
+ }
+ if (bit_offset == 8) {
+ bit_offset = 0;
+ index_buf_len++;
+ if (index_buf_len == GIF_DATA_BLOCK) {
+ WriteBlock(dst_buf, dst_len, offset);
+ }
+ }
+ if (index == code_end) {
+ index_buf_len++;
+ WriteBlock(dst_buf, dst_len, offset);
+ }
+ if (index_num++ >> index_bit_cur) {
+ index_bit_cur++;
+ }
}
-FX_BOOL CGifLZWEncoder::LookUpInTable( const uint8_t* buf, FX_DWORD& offset, uint8_t& bit_offset )
-{
- for (FX_WORD i = table_cur; i < index_num; i++) {
- if (code_table[i].prefix == code_table[index_num].prefix &&
- code_table[i].suffix == code_table[index_num].suffix) {
- code_table[index_num].prefix = i;
- code_table[index_num].suffix = _gif_cut_buf(buf, offset, src_bit_cut, bit_offset, src_bit_num);
- table_cur = i;
- return TRUE;
- }
- }
- table_cur = code_end + 1;
+FX_BOOL CGifLZWEncoder::Encode(const uint8_t* src_buf,
+ FX_DWORD src_len,
+ uint8_t*& dst_buf,
+ FX_DWORD& dst_len,
+ FX_DWORD& offset) {
+ uint8_t suffix;
+ if (setjmp(jmp)) {
return FALSE;
+ }
+ while (src_bit_num < src_len) {
+ if (!LookUpInTable(src_buf, src_offset, src_bit_offset)) {
+ EncodeString(code_table[index_num].prefix, dst_buf, dst_len, offset);
+ if (index_num == GIF_MAX_LZW_CODE) {
+ suffix = code_table[index_num - 1].suffix;
+ EncodeString(code_clear, dst_buf, dst_len, offset);
+ ClearTable();
+ code_table[index_num].prefix = suffix;
+ code_table[index_num].suffix = _gif_cut_buf(
+ src_buf, src_offset, src_bit_cut, src_bit_offset, src_bit_num);
+ } else {
+ code_table[index_num].prefix = code_table[index_num - 1].suffix;
+ code_table[index_num].suffix = _gif_cut_buf(
+ src_buf, src_offset, src_bit_cut, src_bit_offset, src_bit_num);
+ }
+ }
+ }
+ src_offset = 0;
+ src_bit_offset = 0;
+ src_bit_num = 0;
+ return TRUE;
}
-void CGifLZWEncoder::Finish(uint8_t*& dst_buf, FX_DWORD& dst_len, FX_DWORD& offset)
-{
- EncodeString(code_table[index_num].prefix, dst_buf, dst_len, offset);
- EncodeString(code_end, dst_buf, dst_len, offset);
- bit_offset = 0;
- ClearTable();
+FX_BOOL CGifLZWEncoder::LookUpInTable(const uint8_t* buf,
+ FX_DWORD& offset,
+ uint8_t& bit_offset) {
+ for (FX_WORD i = table_cur; i < index_num; i++) {
+ if (code_table[i].prefix == code_table[index_num].prefix &&
+ code_table[i].suffix == code_table[index_num].suffix) {
+ code_table[index_num].prefix = i;
+ code_table[index_num].suffix =
+ _gif_cut_buf(buf, offset, src_bit_cut, bit_offset, src_bit_num);
+ table_cur = i;
+ return TRUE;
+ }
+ }
+ table_cur = code_end + 1;
+ return FALSE;
}
-gif_decompress_struct_p _gif_create_decompress()
-{
- gif_decompress_struct_p gif_ptr = (gif_decompress_struct*)FX_Alloc(uint8_t, sizeof(gif_decompress_struct));
- if(gif_ptr == NULL) {
- return NULL;
- }
- FXSYS_memset(gif_ptr, 0, sizeof(gif_decompress_struct));
- gif_ptr->decode_status = GIF_D_STATUS_SIG;
- gif_ptr->img_ptr_arr_ptr = new CFX_ArrayTemplate<GifImage*>;
+void CGifLZWEncoder::Finish(uint8_t*& dst_buf,
+ FX_DWORD& dst_len,
+ FX_DWORD& offset) {
+ EncodeString(code_table[index_num].prefix, dst_buf, dst_len, offset);
+ EncodeString(code_end, dst_buf, dst_len, offset);
+ bit_offset = 0;
+ ClearTable();
+}
+gif_decompress_struct_p _gif_create_decompress() {
+ gif_decompress_struct_p gif_ptr =
+ (gif_decompress_struct*)FX_Alloc(uint8_t, sizeof(gif_decompress_struct));
+ if (gif_ptr == NULL) {
+ return NULL;
+ }
+ FXSYS_memset(gif_ptr, 0, sizeof(gif_decompress_struct));
+ gif_ptr->decode_status = GIF_D_STATUS_SIG;
+ gif_ptr->img_ptr_arr_ptr = new CFX_ArrayTemplate<GifImage*>;
#ifdef GIF_SUPPORT_COMMENT_EXTENSION
- gif_ptr->cmt_data_ptr = new CFX_ByteString;
+ gif_ptr->cmt_data_ptr = new CFX_ByteString;
#endif
#ifdef GIF_SUPPORT_PLAIN_TEXT_EXTENSION
- gif_ptr->pt_ptr_arr_ptr = new CFX_ArrayTemplate<GifPlainText*>;
+ gif_ptr->pt_ptr_arr_ptr = new CFX_ArrayTemplate<GifPlainText*>;
#endif
- return gif_ptr;
+ return gif_ptr;
}
-void _gif_destroy_decompress(gif_decompress_struct_pp gif_ptr_ptr)
-{
- if(gif_ptr_ptr == NULL || *gif_ptr_ptr == NULL) {
- return;
- }
- gif_decompress_struct_p gif_ptr = *gif_ptr_ptr;
- *gif_ptr_ptr = NULL;
- if(gif_ptr->global_pal_ptr != NULL) {
- FX_Free(gif_ptr->global_pal_ptr);
- }
- if(gif_ptr->img_decoder_ptr != NULL) {
- delete gif_ptr->img_decoder_ptr;
- }
- if(gif_ptr->img_ptr_arr_ptr != NULL) {
- int32_t size_img_arr = gif_ptr->img_ptr_arr_ptr->GetSize();
- for (int32_t i = 0; i < size_img_arr; i++) {
- GifImage* p = gif_ptr->img_ptr_arr_ptr->GetAt(i);
- if(p->image_info_ptr != NULL) {
- FX_Free(p->image_info_ptr);
- }
- if(p->image_gce_ptr != NULL) {
- FX_Free(p->image_gce_ptr);
- }
- if(p->image_row_buf != NULL) {
- FX_Free(p->image_row_buf);
- }
- if(p->local_pal_ptr != NULL && p->local_pal_ptr != gif_ptr->global_pal_ptr) {
- FX_Free(p->local_pal_ptr);
- }
- FX_Free(p);
- }
- gif_ptr->img_ptr_arr_ptr->RemoveAll();
- delete gif_ptr->img_ptr_arr_ptr;
- }
+void _gif_destroy_decompress(gif_decompress_struct_pp gif_ptr_ptr) {
+ if (gif_ptr_ptr == NULL || *gif_ptr_ptr == NULL) {
+ return;
+ }
+ gif_decompress_struct_p gif_ptr = *gif_ptr_ptr;
+ *gif_ptr_ptr = NULL;
+ if (gif_ptr->global_pal_ptr != NULL) {
+ FX_Free(gif_ptr->global_pal_ptr);
+ }
+ if (gif_ptr->img_decoder_ptr != NULL) {
+ delete gif_ptr->img_decoder_ptr;
+ }
+ if (gif_ptr->img_ptr_arr_ptr != NULL) {
+ int32_t size_img_arr = gif_ptr->img_ptr_arr_ptr->GetSize();
+ for (int32_t i = 0; i < size_img_arr; i++) {
+ GifImage* p = gif_ptr->img_ptr_arr_ptr->GetAt(i);
+ if (p->image_info_ptr != NULL) {
+ FX_Free(p->image_info_ptr);
+ }
+ if (p->image_gce_ptr != NULL) {
+ FX_Free(p->image_gce_ptr);
+ }
+ if (p->image_row_buf != NULL) {
+ FX_Free(p->image_row_buf);
+ }
+ if (p->local_pal_ptr != NULL &&
+ p->local_pal_ptr != gif_ptr->global_pal_ptr) {
+ FX_Free(p->local_pal_ptr);
+ }
+ FX_Free(p);
+ }
+ gif_ptr->img_ptr_arr_ptr->RemoveAll();
+ delete gif_ptr->img_ptr_arr_ptr;
+ }
#ifdef GIF_SUPPORT_APPLICATION_EXTENSION
- if(gif_ptr->app_data != NULL) {
- FX_Free(gif_ptr->app_data);
- }
+ if (gif_ptr->app_data != NULL) {
+ FX_Free(gif_ptr->app_data);
+ }
#endif
#ifdef GIF_SUPPORT_COMMENT_EXTENSION
- if(gif_ptr->cmt_data_ptr != NULL) {
- delete gif_ptr->cmt_data_ptr;
- }
+ if (gif_ptr->cmt_data_ptr != NULL) {
+ delete gif_ptr->cmt_data_ptr;
+ }
#endif
#ifdef GIF_SUPPORT_GRAPHIC_CONTROL_EXTENSION
- if(gif_ptr->gce_ptr != NULL) {
- FX_Free(gif_ptr->gce_ptr);
- }
+ if (gif_ptr->gce_ptr != NULL) {
+ FX_Free(gif_ptr->gce_ptr);
+ }
#endif
#ifdef GIF_SUPPORT_PLAIN_TEXT_EXTENSION
- if(gif_ptr->pt_ptr_arr_ptr != NULL) {
- int32_t size_pt_arr = gif_ptr->pt_ptr_arr_ptr->GetSize();
- for (int32_t i = 0; i < size_pt_arr; i++) {
- GifPlainText* p = gif_ptr->pt_ptr_arr_ptr->GetAt(i);
- if(p->gce_ptr != NULL) {
- FX_Free(p->gce_ptr);
- }
- if(p->pte_ptr != NULL) {
- FX_Free(p->pte_ptr);
- }
- if(p->string_ptr != NULL) {
- delete p->string_ptr;
- }
- }
- gif_ptr->pt_ptr_arr_ptr->RemoveAll();
- delete gif_ptr->pt_ptr_arr_ptr;
- }
+ if (gif_ptr->pt_ptr_arr_ptr != NULL) {
+ int32_t size_pt_arr = gif_ptr->pt_ptr_arr_ptr->GetSize();
+ for (int32_t i = 0; i < size_pt_arr; i++) {
+ GifPlainText* p = gif_ptr->pt_ptr_arr_ptr->GetAt(i);
+ if (p->gce_ptr != NULL) {
+ FX_Free(p->gce_ptr);
+ }
+ if (p->pte_ptr != NULL) {
+ FX_Free(p->pte_ptr);
+ }
+ if (p->string_ptr != NULL) {
+ delete p->string_ptr;
+ }
+ }
+ gif_ptr->pt_ptr_arr_ptr->RemoveAll();
+ delete gif_ptr->pt_ptr_arr_ptr;
+ }
#endif
- FX_Free(gif_ptr);
+ FX_Free(gif_ptr);
}
-gif_compress_struct_p _gif_create_compress()
-{
- gif_compress_struct_p gif_ptr = (gif_compress_struct*)FX_Alloc(uint8_t, sizeof(gif_compress_struct));
- if (gif_ptr == NULL) {
- return NULL;
- }
- FXSYS_memset(gif_ptr, 0, sizeof(gif_compress_struct));
- gif_ptr->img_encoder_ptr = new CGifLZWEncoder;
- gif_ptr->header_ptr = (GifHeader*)FX_Alloc(uint8_t, sizeof(GifHeader));
- if (gif_ptr->header_ptr == NULL) {
- delete(gif_ptr->img_encoder_ptr);
- FX_Free(gif_ptr);
- return NULL;
- }
- FXSYS_memcpy(gif_ptr->header_ptr->signature, GIF_SIGNATURE, 3);
- FXSYS_memcpy(gif_ptr->header_ptr->version, "89a", 3);
- gif_ptr->lsd_ptr = (GifLSD*)FX_Alloc(uint8_t, sizeof(GifLSD));
- if (gif_ptr->lsd_ptr == NULL) {
- FX_Free(gif_ptr->header_ptr);
- delete(gif_ptr->img_encoder_ptr);
- FX_Free(gif_ptr);
- return NULL;
- }
- FXSYS_memset(gif_ptr->lsd_ptr, 0, sizeof(GifLSD));
- gif_ptr->image_info_ptr = (GifImageInfo*)FX_Alloc(uint8_t, sizeof(GifImageInfo));
- if (gif_ptr->image_info_ptr == NULL) {
- FX_Free(gif_ptr->lsd_ptr);
- FX_Free(gif_ptr->header_ptr);
- delete(gif_ptr->img_encoder_ptr);
- FX_Free(gif_ptr);
- return NULL;
- }
- FXSYS_memset(gif_ptr->image_info_ptr, 0, sizeof(GifImageInfo));
+gif_compress_struct_p _gif_create_compress() {
+ gif_compress_struct_p gif_ptr =
+ (gif_compress_struct*)FX_Alloc(uint8_t, sizeof(gif_compress_struct));
+ if (gif_ptr == NULL) {
+ return NULL;
+ }
+ FXSYS_memset(gif_ptr, 0, sizeof(gif_compress_struct));
+ gif_ptr->img_encoder_ptr = new CGifLZWEncoder;
+ gif_ptr->header_ptr = (GifHeader*)FX_Alloc(uint8_t, sizeof(GifHeader));
+ if (gif_ptr->header_ptr == NULL) {
+ delete (gif_ptr->img_encoder_ptr);
+ FX_Free(gif_ptr);
+ return NULL;
+ }
+ FXSYS_memcpy(gif_ptr->header_ptr->signature, GIF_SIGNATURE, 3);
+ FXSYS_memcpy(gif_ptr->header_ptr->version, "89a", 3);
+ gif_ptr->lsd_ptr = (GifLSD*)FX_Alloc(uint8_t, sizeof(GifLSD));
+ if (gif_ptr->lsd_ptr == NULL) {
+ FX_Free(gif_ptr->header_ptr);
+ delete (gif_ptr->img_encoder_ptr);
+ FX_Free(gif_ptr);
+ return NULL;
+ }
+ FXSYS_memset(gif_ptr->lsd_ptr, 0, sizeof(GifLSD));
+ gif_ptr->image_info_ptr =
+ (GifImageInfo*)FX_Alloc(uint8_t, sizeof(GifImageInfo));
+ if (gif_ptr->image_info_ptr == NULL) {
+ FX_Free(gif_ptr->lsd_ptr);
+ FX_Free(gif_ptr->header_ptr);
+ delete (gif_ptr->img_encoder_ptr);
+ FX_Free(gif_ptr);
+ return NULL;
+ }
+ FXSYS_memset(gif_ptr->image_info_ptr, 0, sizeof(GifImageInfo));
#ifdef GIF_SUPPORT_APPLICATION_EXTENSION
- FXSYS_memcpy(gif_ptr->app_identify, "netscape", 8);
- FXSYS_memcpy(gif_ptr->app_authentication, "2.0", 3);
+ FXSYS_memcpy(gif_ptr->app_identify, "netscape", 8);
+ FXSYS_memcpy(gif_ptr->app_authentication, "2.0", 3);
#endif
#ifdef GIF_SUPPORT_GRAPHIC_CONTROL_EXTENSION
- gif_ptr->gce_ptr = (GifGCE*)FX_Alloc(uint8_t, sizeof(GifGCE));
- if (gif_ptr->gce_ptr == NULL) {
- FX_Free(gif_ptr->image_info_ptr);
- FX_Free(gif_ptr->lsd_ptr);
- FX_Free(gif_ptr->header_ptr);
- delete(gif_ptr->img_encoder_ptr);
- FX_Free(gif_ptr);
- return NULL;
- }
+ gif_ptr->gce_ptr = (GifGCE*)FX_Alloc(uint8_t, sizeof(GifGCE));
+ if (gif_ptr->gce_ptr == NULL) {
+ FX_Free(gif_ptr->image_info_ptr);
+ FX_Free(gif_ptr->lsd_ptr);
+ FX_Free(gif_ptr->header_ptr);
+ delete (gif_ptr->img_encoder_ptr);
+ FX_Free(gif_ptr);
+ return NULL;
+ }
#endif
#ifdef GIF_SUPPORT_PLAIN_TEXT_EXTENSION
- gif_ptr->pte_ptr = (GifPTE*)FX_Alloc(uint8_t, sizeof(GifPTE));
- if (gif_ptr->pte_ptr == NULL) {
- FX_Free(gif_ptr->gce_ptr);
- FX_Free(gif_ptr->image_info_ptr);
- FX_Free(gif_ptr->lsd_ptr);
- FX_Free(gif_ptr->header_ptr);
- delete(gif_ptr->img_encoder_ptr);
- FX_Free(gif_ptr);
- return NULL;
- }
- FXSYS_memset(gif_ptr->pte_ptr, 0, sizeof(GifPTE));
- gif_ptr->pte_ptr->block_size = 12;
+ gif_ptr->pte_ptr = (GifPTE*)FX_Alloc(uint8_t, sizeof(GifPTE));
+ if (gif_ptr->pte_ptr == NULL) {
+ FX_Free(gif_ptr->gce_ptr);
+ FX_Free(gif_ptr->image_info_ptr);
+ FX_Free(gif_ptr->lsd_ptr);
+ FX_Free(gif_ptr->header_ptr);
+ delete (gif_ptr->img_encoder_ptr);
+ FX_Free(gif_ptr);
+ return NULL;
+ }
+ FXSYS_memset(gif_ptr->pte_ptr, 0, sizeof(GifPTE));
+ gif_ptr->pte_ptr->block_size = 12;
#endif
- return gif_ptr;
+ return gif_ptr;
}
-void _gif_destroy_compress(gif_compress_struct_pp gif_ptr_ptr)
-{
- if(gif_ptr_ptr == NULL || *gif_ptr_ptr == NULL) {
- return;
- }
- gif_compress_struct_p gif_ptr = *gif_ptr_ptr;
- *gif_ptr_ptr = NULL;
- if(gif_ptr->header_ptr != NULL) {
- FX_Free(gif_ptr->header_ptr);
- }
- if(gif_ptr->lsd_ptr != NULL) {
- FX_Free(gif_ptr->lsd_ptr);
- }
- if(gif_ptr->global_pal != NULL) {
- FX_Free(gif_ptr->global_pal);
- }
- if(gif_ptr->image_info_ptr != NULL) {
- FX_Free(gif_ptr->image_info_ptr);
- }
- if(gif_ptr->local_pal != NULL) {
- FX_Free(gif_ptr->local_pal);
- }
- if(gif_ptr->img_encoder_ptr != NULL) {
- delete gif_ptr->img_encoder_ptr;
- }
+void _gif_destroy_compress(gif_compress_struct_pp gif_ptr_ptr) {
+ if (gif_ptr_ptr == NULL || *gif_ptr_ptr == NULL) {
+ return;
+ }
+ gif_compress_struct_p gif_ptr = *gif_ptr_ptr;
+ *gif_ptr_ptr = NULL;
+ if (gif_ptr->header_ptr != NULL) {
+ FX_Free(gif_ptr->header_ptr);
+ }
+ if (gif_ptr->lsd_ptr != NULL) {
+ FX_Free(gif_ptr->lsd_ptr);
+ }
+ if (gif_ptr->global_pal != NULL) {
+ FX_Free(gif_ptr->global_pal);
+ }
+ if (gif_ptr->image_info_ptr != NULL) {
+ FX_Free(gif_ptr->image_info_ptr);
+ }
+ if (gif_ptr->local_pal != NULL) {
+ FX_Free(gif_ptr->local_pal);
+ }
+ if (gif_ptr->img_encoder_ptr != NULL) {
+ delete gif_ptr->img_encoder_ptr;
+ }
#ifdef GIF_SUPPORT_APPLICATION_EXTENSION
- if(gif_ptr->app_data != NULL) {
- FX_Free(gif_ptr->app_data);
- }
+ if (gif_ptr->app_data != NULL) {
+ FX_Free(gif_ptr->app_data);
+ }
#endif
#ifdef GIF_SUPPORT_GRAPHIC_CONTROL_EXTENSION
- if(gif_ptr->gce_ptr != NULL) {
- FX_Free(gif_ptr->gce_ptr);
- }
+ if (gif_ptr->gce_ptr != NULL) {
+ FX_Free(gif_ptr->gce_ptr);
+ }
#endif
#ifdef GIF_SUPPORT_COMMENT_EXTENSION
- if(gif_ptr->cmt_data_ptr != NULL) {
- FX_Free(gif_ptr->cmt_data_ptr);
- }
+ if (gif_ptr->cmt_data_ptr != NULL) {
+ FX_Free(gif_ptr->cmt_data_ptr);
+ }
#endif
#ifdef GIF_SUPPORT_PLAIN_TEXT_EXTENSION
- if(gif_ptr->pte_ptr != NULL) {
- FX_Free(gif_ptr->pte_ptr);
- }
+ if (gif_ptr->pte_ptr != NULL) {
+ FX_Free(gif_ptr->pte_ptr);
+ }
#endif
- FX_Free(gif_ptr);
+ FX_Free(gif_ptr);
}
-void _gif_error(gif_decompress_struct_p gif_ptr, const FX_CHAR* err_msg)
-{
- if(gif_ptr != NULL && gif_ptr->_gif_error_fn != NULL) {
- gif_ptr->_gif_error_fn(gif_ptr, err_msg);
- }
+void _gif_error(gif_decompress_struct_p gif_ptr, const FX_CHAR* err_msg) {
+ if (gif_ptr != NULL && gif_ptr->_gif_error_fn != NULL) {
+ gif_ptr->_gif_error_fn(gif_ptr, err_msg);
+ }
}
void _gif_warn(gif_decompress_struct_p gif_ptr, const FX_CHAR* err_msg) {}
-int32_t _gif_read_header(gif_decompress_struct_p gif_ptr)
-{
- if(gif_ptr == NULL) {
- return 0;
- }
- FX_DWORD skip_size_org = gif_ptr->skip_size;
- ASSERT(sizeof(GifHeader) == 6);
- GifHeader* gif_header_ptr = NULL;
- if(_gif_read_data(gif_ptr, (uint8_t**)&gif_header_ptr, 6) == NULL) {
- return 2;
- }
- if(FXSYS_strncmp(gif_header_ptr->signature, GIF_SIGNATURE, 3) != 0 ||
- gif_header_ptr->version[0] != '8' ||
- gif_header_ptr->version[2] != 'a') {
- _gif_error(gif_ptr, "Not A Gif Image");
- return 0;
- }
- ASSERT(sizeof(GifLSD) == 7);
- GifLSD* gif_lsd_ptr = NULL;
- if(_gif_read_data(gif_ptr, (uint8_t**)&gif_lsd_ptr, 7) == NULL) {
- gif_ptr->skip_size = skip_size_org;
- return 2;
- }
- if(((GifGF*)&gif_lsd_ptr->global_flag)->global_pal) {
- gif_ptr->global_pal_num = 2 << ((GifGF*)&gif_lsd_ptr->global_flag)->pal_bits;
- ASSERT(sizeof(GifPalette) == 3);
- int32_t global_pal_size = gif_ptr->global_pal_num * 3;
- uint8_t* global_pal_ptr = NULL;
- if (_gif_read_data(gif_ptr, &global_pal_ptr, global_pal_size) == NULL) {
- gif_ptr->skip_size = skip_size_org;
- return 2;
+int32_t _gif_read_header(gif_decompress_struct_p gif_ptr) {
+ if (gif_ptr == NULL) {
+ return 0;
+ }
+ FX_DWORD skip_size_org = gif_ptr->skip_size;
+ ASSERT(sizeof(GifHeader) == 6);
+ GifHeader* gif_header_ptr = NULL;
+ if (_gif_read_data(gif_ptr, (uint8_t**)&gif_header_ptr, 6) == NULL) {
+ return 2;
+ }
+ if (FXSYS_strncmp(gif_header_ptr->signature, GIF_SIGNATURE, 3) != 0 ||
+ gif_header_ptr->version[0] != '8' || gif_header_ptr->version[2] != 'a') {
+ _gif_error(gif_ptr, "Not A Gif Image");
+ return 0;
+ }
+ ASSERT(sizeof(GifLSD) == 7);
+ GifLSD* gif_lsd_ptr = NULL;
+ if (_gif_read_data(gif_ptr, (uint8_t**)&gif_lsd_ptr, 7) == NULL) {
+ gif_ptr->skip_size = skip_size_org;
+ return 2;
+ }
+ if (((GifGF*)&gif_lsd_ptr->global_flag)->global_pal) {
+ gif_ptr->global_pal_num = 2
+ << ((GifGF*)&gif_lsd_ptr->global_flag)->pal_bits;
+ ASSERT(sizeof(GifPalette) == 3);
+ int32_t global_pal_size = gif_ptr->global_pal_num * 3;
+ uint8_t* global_pal_ptr = NULL;
+ if (_gif_read_data(gif_ptr, &global_pal_ptr, global_pal_size) == NULL) {
+ gif_ptr->skip_size = skip_size_org;
+ return 2;
+ }
+ gif_ptr->global_sort_flag = ((GifGF*)&gif_lsd_ptr->global_flag)->sort_flag;
+ gif_ptr->global_color_resolution =
+ ((GifGF*)&gif_lsd_ptr->global_flag)->color_resolution;
+ if (gif_ptr->global_pal_ptr != NULL) {
+ FX_Free(gif_ptr->global_pal_ptr);
+ }
+ gif_ptr->global_pal_ptr = NULL;
+ gif_ptr->global_pal_ptr = (GifPalette*)FX_Alloc(uint8_t, global_pal_size);
+ GIF_PTR_NOT_NULL(gif_ptr->global_pal_ptr, gif_ptr);
+ FXSYS_memcpy(gif_ptr->global_pal_ptr, global_pal_ptr, global_pal_size);
+ }
+ gif_ptr->width = (int)_GetWord_LSBFirst((uint8_t*)&gif_lsd_ptr->width);
+ gif_ptr->height = (int)_GetWord_LSBFirst((uint8_t*)&gif_lsd_ptr->height);
+ gif_ptr->bc_index = gif_lsd_ptr->bc_index;
+ gif_ptr->pixel_aspect = gif_lsd_ptr->pixel_aspect;
+ return 1;
+}
+int32_t _gif_get_frame(gif_decompress_struct_p gif_ptr) {
+ if (gif_ptr == NULL) {
+ return 0;
+ }
+ int32_t ret = 1;
+ while (TRUE) {
+ switch (gif_ptr->decode_status) {
+ case GIF_D_STATUS_TAIL:
+ return 1;
+ case GIF_D_STATUS_SIG: {
+ uint8_t* sig_ptr = NULL;
+ if (_gif_read_data(gif_ptr, &sig_ptr, 1) == NULL) {
+ return 2;
}
- gif_ptr->global_sort_flag = ((GifGF*)&gif_lsd_ptr->global_flag)->sort_flag;
- gif_ptr->global_color_resolution = ((GifGF*)&gif_lsd_ptr->global_flag)->color_resolution;
- if(gif_ptr->global_pal_ptr != NULL) {
- FX_Free(gif_ptr->global_pal_ptr);
+ switch (*sig_ptr) {
+ case GIF_SIG_EXTENSION:
+ _gif_save_decoding_status(gif_ptr, GIF_D_STATUS_EXT);
+ continue;
+ case GIF_SIG_IMAGE:
+ _gif_save_decoding_status(gif_ptr, GIF_D_STATUS_IMG_INFO);
+ continue;
+ case GIF_SIG_TRAILER:
+ _gif_save_decoding_status(gif_ptr, GIF_D_STATUS_TAIL);
+ return 1;
+ default:
+ if (gif_ptr->avail_in) {
+ _gif_warn(gif_ptr, "The Gif File has non_standard Tag!");
+ _gif_save_decoding_status(gif_ptr, GIF_D_STATUS_SIG);
+ continue;
+ }
+ _gif_warn(gif_ptr, "The Gif File Doesn't have Trailer Tag!");
+ return 1;
}
- gif_ptr->global_pal_ptr = NULL;
- gif_ptr->global_pal_ptr = (GifPalette*)FX_Alloc(uint8_t, global_pal_size);
- GIF_PTR_NOT_NULL(gif_ptr->global_pal_ptr, gif_ptr);
- FXSYS_memcpy(gif_ptr->global_pal_ptr, global_pal_ptr, global_pal_size);
- }
- gif_ptr->width = (int)_GetWord_LSBFirst((uint8_t*)&gif_lsd_ptr->width);
- gif_ptr->height = (int)_GetWord_LSBFirst((uint8_t*)&gif_lsd_ptr->height);
- gif_ptr->bc_index = gif_lsd_ptr->bc_index;
- gif_ptr->pixel_aspect = gif_lsd_ptr->pixel_aspect;
- return 1;
-}
-int32_t _gif_get_frame(gif_decompress_struct_p gif_ptr)
-{
- if(gif_ptr == NULL) {
- return 0;
- }
- int32_t ret = 1;
- while (TRUE) {
- switch(gif_ptr->decode_status) {
- case GIF_D_STATUS_TAIL:
- return 1;
- case GIF_D_STATUS_SIG: {
- uint8_t* sig_ptr = NULL;
- if(_gif_read_data(gif_ptr, &sig_ptr, 1) == NULL) {
- return 2;
- }
- switch(*sig_ptr) {
- case GIF_SIG_EXTENSION:
- _gif_save_decoding_status(gif_ptr, GIF_D_STATUS_EXT);
- continue;
- case GIF_SIG_IMAGE:
- _gif_save_decoding_status(gif_ptr, GIF_D_STATUS_IMG_INFO);
- continue;
- case GIF_SIG_TRAILER:
- _gif_save_decoding_status(gif_ptr, GIF_D_STATUS_TAIL);
- return 1;
- default:
- if (gif_ptr->avail_in) {
- _gif_warn(gif_ptr, "The Gif File has non_standard Tag!");
- _gif_save_decoding_status(gif_ptr, GIF_D_STATUS_SIG);
- continue;
- }
- _gif_warn(gif_ptr, "The Gif File Doesn't have Trailer Tag!");
- return 1;
- }
- }
- case GIF_D_STATUS_EXT: {
- uint8_t* ext_ptr = NULL;
- if(_gif_read_data(gif_ptr, &ext_ptr, 1) == NULL) {
- return 2;
- }
- switch(*ext_ptr) {
+ }
+ case GIF_D_STATUS_EXT: {
+ uint8_t* ext_ptr = NULL;
+ if (_gif_read_data(gif_ptr, &ext_ptr, 1) == NULL) {
+ return 2;
+ }
+ switch (*ext_ptr) {
#ifdef GIF_SUPPORT_APPLICATION_EXTENSION
- case GIF_BLOCK_AE:
- _gif_save_decoding_status(gif_ptr, GIF_D_STATUS_EXT_AE);
- continue;
+ case GIF_BLOCK_AE:
+ _gif_save_decoding_status(gif_ptr, GIF_D_STATUS_EXT_AE);
+ continue;
#endif
#ifdef GIF_SUPPORT_COMMENT_EXTENSION
- case GIF_BLOCK_CE:
- _gif_save_decoding_status(gif_ptr, GIF_D_STATUS_EXT_CE);
- continue;
+ case GIF_BLOCK_CE:
+ _gif_save_decoding_status(gif_ptr, GIF_D_STATUS_EXT_CE);
+ continue;
#endif
#ifdef GIF_SUPPORT_GRAPHIC_CONTROL_EXTENSION
- case GIF_BLOCK_GCE:
- _gif_save_decoding_status(gif_ptr, GIF_D_STATUS_EXT_GCE);
- continue;
+ case GIF_BLOCK_GCE:
+ _gif_save_decoding_status(gif_ptr, GIF_D_STATUS_EXT_GCE);
+ continue;
#endif
#ifdef GIF_SUPPORT_PLAIN_TEXT_EXTENSION
- case GIF_BLOCK_PTE:
- _gif_save_decoding_status(gif_ptr, GIF_D_STATUS_EXT_PTE);
- continue;
+ case GIF_BLOCK_PTE:
+ _gif_save_decoding_status(gif_ptr, GIF_D_STATUS_EXT_PTE);
+ continue;
#endif
- default: {
- int32_t status = GIF_D_STATUS_EXT_UNE;
+ default: {
+ int32_t status = GIF_D_STATUS_EXT_UNE;
#ifndef GIF_SUPPORT_PLAIN_TEXT_EXTENSION
- if(*ext_ptr == GIF_BLOCK_PTE) {
- status = GIF_D_STATUS_EXT_PTE;
- }
+ if (*ext_ptr == GIF_BLOCK_PTE) {
+ status = GIF_D_STATUS_EXT_PTE;
+ }
#endif
- _gif_save_decoding_status(gif_ptr, status);
- continue;
- }
- }
- }
- case GIF_D_STATUS_IMG_INFO: {
- ret = _gif_decode_image_info(gif_ptr);
- if(ret != 1) {
- return ret;
- }
- continue;
- }
- case GIF_D_STATUS_IMG_DATA: {
- uint8_t* data_size_ptr = NULL;
- uint8_t* data_ptr = NULL;
- FX_DWORD skip_size_org = gif_ptr->skip_size;
- if(_gif_read_data(gif_ptr, &data_size_ptr, 1) == NULL) {
- return 2;
- }
- while(*data_size_ptr != GIF_BLOCK_TERMINAL) {
- if(_gif_read_data(gif_ptr, &data_ptr, *data_size_ptr) == NULL) {
- gif_ptr->skip_size = skip_size_org;
- return 2;
- }
- _gif_save_decoding_status(gif_ptr, GIF_D_STATUS_IMG_DATA);
- skip_size_org = gif_ptr->skip_size;
- if(_gif_read_data(gif_ptr, &data_size_ptr, 1) == NULL) {
- return 2;
- }
- }
- _gif_save_decoding_status(gif_ptr, GIF_D_STATUS_SIG);
- continue;
- }
- default: {
- ret = _gif_decode_extension(gif_ptr);
- if(ret != 1) {
- return ret;
- }
- continue;
- }
+ _gif_save_decoding_status(gif_ptr, status);
+ continue;
+ }
+ }
+ }
+ case GIF_D_STATUS_IMG_INFO: {
+ ret = _gif_decode_image_info(gif_ptr);
+ if (ret != 1) {
+ return ret;
+ }
+ continue;
+ }
+ case GIF_D_STATUS_IMG_DATA: {
+ uint8_t* data_size_ptr = NULL;
+ uint8_t* data_ptr = NULL;
+ FX_DWORD skip_size_org = gif_ptr->skip_size;
+ if (_gif_read_data(gif_ptr, &data_size_ptr, 1) == NULL) {
+ return 2;
+ }
+ while (*data_size_ptr != GIF_BLOCK_TERMINAL) {
+ if (_gif_read_data(gif_ptr, &data_ptr, *data_size_ptr) == NULL) {
+ gif_ptr->skip_size = skip_size_org;
+ return 2;
+ }
+ _gif_save_decoding_status(gif_ptr, GIF_D_STATUS_IMG_DATA);
+ skip_size_org = gif_ptr->skip_size;
+ if (_gif_read_data(gif_ptr, &data_size_ptr, 1) == NULL) {
+ return 2;
+ }
+ }
+ _gif_save_decoding_status(gif_ptr, GIF_D_STATUS_SIG);
+ continue;
+ }
+ default: {
+ ret = _gif_decode_extension(gif_ptr);
+ if (ret != 1) {
+ return ret;
}
+ continue;
+ }
}
- return 1;
+ }
+ return 1;
}
-void _gif_takeover_gce_ptr(gif_decompress_struct_p gif_ptr, GifGCE** gce_ptr_ptr)
-{
- *gce_ptr_ptr = NULL;
+void _gif_takeover_gce_ptr(gif_decompress_struct_p gif_ptr,
+ GifGCE** gce_ptr_ptr) {
+ *gce_ptr_ptr = NULL;
#ifdef GIF_SUPPORT_GRAPHIC_CONTROL_EXTENSION
- if(gif_ptr->gce_ptr != NULL && gce_ptr_ptr != NULL) {
- *gce_ptr_ptr = gif_ptr->gce_ptr;
- gif_ptr->gce_ptr = NULL;
- }
+ if (gif_ptr->gce_ptr != NULL && gce_ptr_ptr != NULL) {
+ *gce_ptr_ptr = gif_ptr->gce_ptr;
+ gif_ptr->gce_ptr = NULL;
+ }
#endif
}
-int32_t _gif_decode_extension(gif_decompress_struct_p gif_ptr)
-{
- uint8_t* data_size_ptr = NULL;
- uint8_t* data_ptr = NULL;
- FX_DWORD skip_size_org = gif_ptr->skip_size;
- switch(gif_ptr->decode_status) {
+int32_t _gif_decode_extension(gif_decompress_struct_p gif_ptr) {
+ uint8_t* data_size_ptr = NULL;
+ uint8_t* data_ptr = NULL;
+ FX_DWORD skip_size_org = gif_ptr->skip_size;
+ switch (gif_ptr->decode_status) {
#ifdef GIF_SUPPORT_APPLICATION_EXTENSION
- case GIF_D_STATUS_EXT_AE: {
- ASSERT(sizeof(GifAE) == 12);
- GifAE* gif_ae_ptr = NULL;
- if(_gif_read_data(gif_ptr, (uint8_t**)&gif_ae_ptr, 12) == NULL) {
- return 2;
- }
- CFX_ByteString gif_ae_data_str;
- if(_gif_read_data(gif_ptr, &data_size_ptr, 1) == NULL) {
- gif_ptr->skip_size = skip_size_org;
- return 2;
- }
- while(*data_size_ptr != GIF_BLOCK_TERMINAL) {
- uint8_t data_size = *data_size_ptr;
- if(_gif_read_data(gif_ptr, &data_ptr, *data_size_ptr) == NULL ||
- _gif_read_data(gif_ptr, &data_size_ptr, 1) == NULL) {
- gif_ptr->skip_size = skip_size_org;
- return 2;
- }
- gif_ae_data_str += CFX_ByteString((const uint8_t*)data_ptr, data_size);
- }
- FXSYS_memcpy(gif_ptr->app_identify, gif_ae_ptr->app_identify, 8);
- FXSYS_memcpy(gif_ptr->app_authentication, gif_ae_ptr->app_authentication, 3);
- gif_ptr->app_data_size = gif_ae_data_str.GetLength();
- if(gif_ptr->app_data != NULL) {
- FX_Free(gif_ptr->app_data);
- gif_ptr->app_data = NULL;
- }
- gif_ptr->app_data = FX_Alloc(uint8_t, gif_ptr->app_data_size);
- GIF_PTR_NOT_NULL(gif_ptr->app_data, gif_ptr);
- FXSYS_memcpy(gif_ptr->app_data, const uint8_t*(gif_ae_data_str), gif_ptr->app_data_size);
- }
- break;
+ case GIF_D_STATUS_EXT_AE: {
+ ASSERT(sizeof(GifAE) == 12);
+ GifAE* gif_ae_ptr = NULL;
+ if (_gif_read_data(gif_ptr, (uint8_t**)&gif_ae_ptr, 12) == NULL) {
+ return 2;
+ }
+ CFX_ByteString gif_ae_data_str;
+ if (_gif_read_data(gif_ptr, &data_size_ptr, 1) == NULL) {
+ gif_ptr->skip_size = skip_size_org;
+ return 2;
+ }
+ while (*data_size_ptr != GIF_BLOCK_TERMINAL) {
+ uint8_t data_size = *data_size_ptr;
+ if (_gif_read_data(gif_ptr, &data_ptr, *data_size_ptr) == NULL ||
+ _gif_read_data(gif_ptr, &data_size_ptr, 1) == NULL) {
+ gif_ptr->skip_size = skip_size_org;
+ return 2;
+ }
+ gif_ae_data_str += CFX_ByteString((const uint8_t*)data_ptr, data_size);
+ }
+ FXSYS_memcpy(gif_ptr->app_identify, gif_ae_ptr->app_identify, 8);
+ FXSYS_memcpy(gif_ptr->app_authentication, gif_ae_ptr->app_authentication,
+ 3);
+ gif_ptr->app_data_size = gif_ae_data_str.GetLength();
+ if (gif_ptr->app_data != NULL) {
+ FX_Free(gif_ptr->app_data);
+ gif_ptr->app_data = NULL;
+ }
+ gif_ptr->app_data = FX_Alloc(uint8_t, gif_ptr->app_data_size);
+ GIF_PTR_NOT_NULL(gif_ptr->app_data, gif_ptr);
+ FXSYS_memcpy(gif_ptr->app_data, const uint8_t*(gif_ae_data_str),
+ gif_ptr->app_data_size);
+ } break;
#endif
#ifdef GIF_SUPPORT_COMMENT_EXTENSION
- case GIF_D_STATUS_EXT_CE: {
- if(_gif_read_data(gif_ptr, &data_size_ptr, 1) == NULL) {
- gif_ptr->skip_size = skip_size_org;
- return 2;
- }
- gif_ptr->cmt_data_ptr->Empty();
- while(*data_size_ptr != GIF_BLOCK_TERMINAL) {
- uint8_t data_size = *data_size_ptr;
- if(_gif_read_data(gif_ptr, &data_ptr, *data_size_ptr) == NULL ||
- _gif_read_data(gif_ptr, &data_size_ptr, 1) == NULL) {
- gif_ptr->skip_size = skip_size_org;
- return 2;
- }
- *(gif_ptr->cmt_data_ptr) += CFX_ByteString((const FX_CHAR*)data_ptr, data_size);
- }
- }
- break;
+ case GIF_D_STATUS_EXT_CE: {
+ if (_gif_read_data(gif_ptr, &data_size_ptr, 1) == NULL) {
+ gif_ptr->skip_size = skip_size_org;
+ return 2;
+ }
+ gif_ptr->cmt_data_ptr->Empty();
+ while (*data_size_ptr != GIF_BLOCK_TERMINAL) {
+ uint8_t data_size = *data_size_ptr;
+ if (_gif_read_data(gif_ptr, &data_ptr, *data_size_ptr) == NULL ||
+ _gif_read_data(gif_ptr, &data_size_ptr, 1) == NULL) {
+ gif_ptr->skip_size = skip_size_org;
+ return 2;
+ }
+ *(gif_ptr->cmt_data_ptr) +=
+ CFX_ByteString((const FX_CHAR*)data_ptr, data_size);
+ }
+ } break;
#endif
#ifdef GIF_SUPPORT_PLAIN_TEXT_EXTENSION
- case GIF_D_STATUS_EXT_PTE: {
- ASSERT(sizeof(GifPTE) == 13);
- GifPTE* gif_pte_ptr = NULL;
- if(_gif_read_data(gif_ptr, (uint8_t**)&gif_pte_ptr, 13) == NULL) {
- return 2;
- }
- GifPlainText* gif_pt_ptr = FX_Alloc(GifPlainText, 1);
- GIF_PTR_NOT_NULL(gif_pt_ptr, gif_ptr);
- FXSYS_memset(gif_pt_ptr, 0, sizeof(GifPlainText));
- _gif_takeover_gce_ptr(gif_ptr, &gif_pt_ptr->gce_ptr);
- gif_pt_ptr->pte_ptr = (GifPTE*)FX_Alloc(uint8_t, sizeof(GifPTE));
- GIF_PTR_NOT_NULL(gif_pt_ptr->pte_ptr, gif_ptr);
- gif_pt_ptr->string_ptr = new CFX_ByteString;
- GIF_PTR_NOT_NULL(gif_pt_ptr->string_ptr, gif_ptr);
- gif_pt_ptr->pte_ptr->block_size = gif_pte_ptr->block_size;
- gif_pt_ptr->pte_ptr->grid_left = _GetWord_LSBFirst((uint8_t*)&gif_pte_ptr->grid_left);
- gif_pt_ptr->pte_ptr->grid_top = _GetWord_LSBFirst((uint8_t*)&gif_pte_ptr->grid_top);
- gif_pt_ptr->pte_ptr->grid_width = _GetWord_LSBFirst((uint8_t*)&gif_pte_ptr->grid_width);
- gif_pt_ptr->pte_ptr->grid_height = _GetWord_LSBFirst((uint8_t*)&gif_pte_ptr->grid_height);
- gif_pt_ptr->pte_ptr->char_width = gif_pte_ptr->char_width;
- gif_pt_ptr->pte_ptr->char_height = gif_pte_ptr->char_height;
- gif_pt_ptr->pte_ptr->fc_index = gif_pte_ptr->fc_index;
- gif_pt_ptr->pte_ptr->bc_index = gif_pte_ptr->bc_index;
- if(_gif_read_data(gif_ptr, &data_size_ptr, 1) == NULL) {
- gif_ptr->skip_size = skip_size_org;
- if(gif_pt_ptr != NULL) {
- if(gif_pt_ptr->gce_ptr != NULL) {
- FX_Free(gif_pt_ptr->gce_ptr);
- }
- if(gif_pt_ptr->pte_ptr != NULL) {
- FX_Free(gif_pt_ptr->pte_ptr);
- }
- if(gif_pt_ptr->string_ptr != NULL) {
- delete gif_pt_ptr->string_ptr;
- }
- FX_Free(gif_pt_ptr);
- }
- return 2;
- }
- while(*data_size_ptr != GIF_BLOCK_TERMINAL) {
- uint8_t data_size = *data_size_ptr;
- if(_gif_read_data(gif_ptr, &data_ptr, *data_size_ptr) == NULL ||
- _gif_read_data(gif_ptr, &data_size_ptr, 1) == NULL) {
- gif_ptr->skip_size = skip_size_org;
- if(gif_pt_ptr != NULL) {
- if(gif_pt_ptr->gce_ptr != NULL) {
- FX_Free(gif_pt_ptr->gce_ptr);
- }
- if(gif_pt_ptr->pte_ptr != NULL) {
- FX_Free(gif_pt_ptr->pte_ptr);
- }
- if(gif_pt_ptr->string_ptr != NULL) {
- delete gif_pt_ptr->string_ptr;
- }
- FX_Free(gif_pt_ptr);
- }
- return 2;
- }
- *(gif_pt_ptr->string_ptr) += CFX_ByteString((const FX_CHAR*)data_ptr, data_size);
- }
- gif_ptr->pt_ptr_arr_ptr->Add(gif_pt_ptr);
+ case GIF_D_STATUS_EXT_PTE: {
+ ASSERT(sizeof(GifPTE) == 13);
+ GifPTE* gif_pte_ptr = NULL;
+ if (_gif_read_data(gif_ptr, (uint8_t**)&gif_pte_ptr, 13) == NULL) {
+ return 2;
+ }
+ GifPlainText* gif_pt_ptr = FX_Alloc(GifPlainText, 1);
+ GIF_PTR_NOT_NULL(gif_pt_ptr, gif_ptr);
+ FXSYS_memset(gif_pt_ptr, 0, sizeof(GifPlainText));
+ _gif_takeover_gce_ptr(gif_ptr, &gif_pt_ptr->gce_ptr);
+ gif_pt_ptr->pte_ptr = (GifPTE*)FX_Alloc(uint8_t, sizeof(GifPTE));
+ GIF_PTR_NOT_NULL(gif_pt_ptr->pte_ptr, gif_ptr);
+ gif_pt_ptr->string_ptr = new CFX_ByteString;
+ GIF_PTR_NOT_NULL(gif_pt_ptr->string_ptr, gif_ptr);
+ gif_pt_ptr->pte_ptr->block_size = gif_pte_ptr->block_size;
+ gif_pt_ptr->pte_ptr->grid_left =
+ _GetWord_LSBFirst((uint8_t*)&gif_pte_ptr->grid_left);
+ gif_pt_ptr->pte_ptr->grid_top =
+ _GetWord_LSBFirst((uint8_t*)&gif_pte_ptr->grid_top);
+ gif_pt_ptr->pte_ptr->grid_width =
+ _GetWord_LSBFirst((uint8_t*)&gif_pte_ptr->grid_width);
+ gif_pt_ptr->pte_ptr->grid_height =
+ _GetWord_LSBFirst((uint8_t*)&gif_pte_ptr->grid_height);
+ gif_pt_ptr->pte_ptr->char_width = gif_pte_ptr->char_width;
+ gif_pt_ptr->pte_ptr->char_height = gif_pte_ptr->char_height;
+ gif_pt_ptr->pte_ptr->fc_index = gif_pte_ptr->fc_index;
+ gif_pt_ptr->pte_ptr->bc_index = gif_pte_ptr->bc_index;
+ if (_gif_read_data(gif_ptr, &data_size_ptr, 1) == NULL) {
+ gif_ptr->skip_size = skip_size_org;
+ if (gif_pt_ptr != NULL) {
+ if (gif_pt_ptr->gce_ptr != NULL) {
+ FX_Free(gif_pt_ptr->gce_ptr);
+ }
+ if (gif_pt_ptr->pte_ptr != NULL) {
+ FX_Free(gif_pt_ptr->pte_ptr);
+ }
+ if (gif_pt_ptr->string_ptr != NULL) {
+ delete gif_pt_ptr->string_ptr;
+ }
+ FX_Free(gif_pt_ptr);
+ }
+ return 2;
+ }
+ while (*data_size_ptr != GIF_BLOCK_TERMINAL) {
+ uint8_t data_size = *data_size_ptr;
+ if (_gif_read_data(gif_ptr, &data_ptr, *data_size_ptr) == NULL ||
+ _gif_read_data(gif_ptr, &data_size_ptr, 1) == NULL) {
+ gif_ptr->skip_size = skip_size_org;
+ if (gif_pt_ptr != NULL) {
+ if (gif_pt_ptr->gce_ptr != NULL) {
+ FX_Free(gif_pt_ptr->gce_ptr);
+ }
+ if (gif_pt_ptr->pte_ptr != NULL) {
+ FX_Free(gif_pt_ptr->pte_ptr);
}
- break;
+ if (gif_pt_ptr->string_ptr != NULL) {
+ delete gif_pt_ptr->string_ptr;
+ }
+ FX_Free(gif_pt_ptr);
+ }
+ return 2;
+ }
+ *(gif_pt_ptr->string_ptr) +=
+ CFX_ByteString((const FX_CHAR*)data_ptr, data_size);
+ }
+ gif_ptr->pt_ptr_arr_ptr->Add(gif_pt_ptr);
+ } break;
#endif
#ifdef GIF_SUPPORT_GRAPHIC_CONTROL_EXTENSION
- case GIF_D_STATUS_EXT_GCE: {
- ASSERT(sizeof(GifGCE) == 5);
- GifGCE* gif_gce_ptr = NULL;
- if(_gif_read_data(gif_ptr, (uint8_t**)&gif_gce_ptr, 6) == NULL) {
- return 2;
- }
- if(gif_ptr->gce_ptr == NULL) {
- gif_ptr->gce_ptr = (GifGCE*)FX_Alloc(uint8_t, sizeof(GifGCE));
- GIF_PTR_NOT_NULL(gif_ptr->gce_ptr, gif_ptr);
- }
- gif_ptr->gce_ptr->block_size = gif_gce_ptr->block_size;
- gif_ptr->gce_ptr->gce_flag = gif_gce_ptr->gce_flag;
- gif_ptr->gce_ptr->delay_time = _GetWord_LSBFirst((uint8_t*)&gif_gce_ptr->delay_time);
- gif_ptr->gce_ptr->trans_index = gif_gce_ptr->trans_index;
- }
- break;
+ case GIF_D_STATUS_EXT_GCE: {
+ ASSERT(sizeof(GifGCE) == 5);
+ GifGCE* gif_gce_ptr = NULL;
+ if (_gif_read_data(gif_ptr, (uint8_t**)&gif_gce_ptr, 6) == NULL) {
+ return 2;
+ }
+ if (gif_ptr->gce_ptr == NULL) {
+ gif_ptr->gce_ptr = (GifGCE*)FX_Alloc(uint8_t, sizeof(GifGCE));
+ GIF_PTR_NOT_NULL(gif_ptr->gce_ptr, gif_ptr);
+ }
+ gif_ptr->gce_ptr->block_size = gif_gce_ptr->block_size;
+ gif_ptr->gce_ptr->gce_flag = gif_gce_ptr->gce_flag;
+ gif_ptr->gce_ptr->delay_time =
+ _GetWord_LSBFirst((uint8_t*)&gif_gce_ptr->delay_time);
+ gif_ptr->gce_ptr->trans_index = gif_gce_ptr->trans_index;
+ } break;
#endif
- default: {
+ default: {
#ifndef GIF_SUPPORT_PLAIN_TEXT_EXTENSION
- if(gif_ptr->decode_status == GIF_D_STATUS_EXT_PTE) {
+ if (gif_ptr->decode_status == GIF_D_STATUS_EXT_PTE) {
#ifdef GIF_SUPPORT_GRAPHIC_CONTROL_EXTENSION
- if(gif_ptr->gce_ptr != NULL) {
- FX_Free(gif_ptr->gce_ptr);
- gif_ptr->gce_ptr = NULL;
- }
+ if (gif_ptr->gce_ptr != NULL) {
+ FX_Free(gif_ptr->gce_ptr);
+ gif_ptr->gce_ptr = NULL;
+ }
#endif
- }
+ }
#endif
- if(_gif_read_data(gif_ptr, &data_size_ptr, 1) == NULL) {
- return 2;
- }
- while(*data_size_ptr != GIF_BLOCK_TERMINAL) {
- if(_gif_read_data(gif_ptr, &data_ptr, *data_size_ptr) == NULL ||
- _gif_read_data(gif_ptr, &data_size_ptr, 1) == NULL ) {
- gif_ptr->skip_size = skip_size_org;
- return 2;
- }
- }
- }
+ if (_gif_read_data(gif_ptr, &data_size_ptr, 1) == NULL) {
+ return 2;
+ }
+ while (*data_size_ptr != GIF_BLOCK_TERMINAL) {
+ if (_gif_read_data(gif_ptr, &data_ptr, *data_size_ptr) == NULL ||
+ _gif_read_data(gif_ptr, &data_size_ptr, 1) == NULL) {
+ gif_ptr->skip_size = skip_size_org;
+ return 2;
+ }
+ }
}
- _gif_save_decoding_status(gif_ptr, GIF_D_STATUS_SIG);
- return 1;
+ }
+ _gif_save_decoding_status(gif_ptr, GIF_D_STATUS_SIG);
+ return 1;
}
-int32_t _gif_decode_image_info(gif_decompress_struct_p gif_ptr)
-{
- if(gif_ptr->width == 0 || gif_ptr->height == 0) {
- _gif_error(gif_ptr, "No Image Header Info");
+int32_t _gif_decode_image_info(gif_decompress_struct_p gif_ptr) {
+ if (gif_ptr->width == 0 || gif_ptr->height == 0) {
+ _gif_error(gif_ptr, "No Image Header Info");
+ return 0;
+ }
+ FX_DWORD skip_size_org = gif_ptr->skip_size;
+ ASSERT(sizeof(GifImageInfo) == 9);
+ GifImageInfo* gif_img_info_ptr = NULL;
+ if (_gif_read_data(gif_ptr, (uint8_t**)&gif_img_info_ptr, 9) == NULL) {
+ return 2;
+ }
+ GifImage* gif_image_ptr = (GifImage*)FX_Alloc(uint8_t, sizeof(GifImage));
+ GIF_PTR_NOT_NULL(gif_image_ptr, gif_ptr);
+ FXSYS_memset(gif_image_ptr, 0, sizeof(GifImage));
+ gif_image_ptr->image_info_ptr =
+ (GifImageInfo*)FX_Alloc(uint8_t, sizeof(GifImageInfo));
+ GIF_PTR_NOT_NULL(gif_image_ptr->image_info_ptr, gif_ptr);
+ gif_image_ptr->image_info_ptr->left =
+ _GetWord_LSBFirst((uint8_t*)&gif_img_info_ptr->left);
+ gif_image_ptr->image_info_ptr->top =
+ _GetWord_LSBFirst((uint8_t*)&gif_img_info_ptr->top);
+ gif_image_ptr->image_info_ptr->width =
+ _GetWord_LSBFirst((uint8_t*)&gif_img_info_ptr->width);
+ gif_image_ptr->image_info_ptr->height =
+ _GetWord_LSBFirst((uint8_t*)&gif_img_info_ptr->height);
+ gif_image_ptr->image_info_ptr->local_flag = gif_img_info_ptr->local_flag;
+ if (gif_image_ptr->image_info_ptr->left +
+ gif_image_ptr->image_info_ptr->width >
+ gif_ptr->width ||
+ gif_image_ptr->image_info_ptr->top +
+ gif_image_ptr->image_info_ptr->height >
+ gif_ptr->height) {
+ if (gif_image_ptr->image_info_ptr != NULL) {
+ FX_Free(gif_image_ptr->image_info_ptr);
+ }
+ if (gif_image_ptr->image_row_buf != NULL) {
+ FX_Free(gif_image_ptr->image_row_buf);
+ }
+ FX_Free(gif_image_ptr);
+ _gif_error(gif_ptr, "Image Data Out Of LSD, The File May Be Corrupt");
+ return 0;
+ }
+ GifLF* gif_img_info_lf_ptr = (GifLF*)&gif_img_info_ptr->local_flag;
+ if (gif_img_info_lf_ptr->local_pal) {
+ ASSERT(sizeof(GifPalette) == 3);
+ int32_t loc_pal_size = (2 << gif_img_info_lf_ptr->pal_bits) * 3;
+ uint8_t* loc_pal_ptr = NULL;
+ if (_gif_read_data(gif_ptr, &loc_pal_ptr, loc_pal_size) == NULL) {
+ gif_ptr->skip_size = skip_size_org;
+ if (gif_image_ptr->image_info_ptr != NULL) {
+ FX_Free(gif_image_ptr->image_info_ptr);
+ }
+ if (gif_image_ptr->image_row_buf != NULL) {
+ FX_Free(gif_image_ptr->image_row_buf);
+ }
+ FX_Free(gif_image_ptr);
+ return 2;
+ }
+ gif_image_ptr->local_pal_ptr =
+ (GifPalette*)gif_ptr->_gif_ask_buf_for_pal_fn(gif_ptr, loc_pal_size);
+ if (gif_image_ptr->local_pal_ptr != NULL) {
+ FXSYS_memcpy((uint8_t*)gif_image_ptr->local_pal_ptr, loc_pal_ptr,
+ loc_pal_size);
+ }
+ }
+ uint8_t* code_size_ptr = NULL;
+ if (_gif_read_data(gif_ptr, &code_size_ptr, 1) == NULL) {
+ gif_ptr->skip_size = skip_size_org;
+ if (gif_image_ptr->image_info_ptr != NULL) {
+ FX_Free(gif_image_ptr->image_info_ptr);
+ }
+ if (gif_image_ptr->local_pal_ptr != NULL) {
+ FX_Free(gif_image_ptr->local_pal_ptr);
+ }
+ if (gif_image_ptr->image_row_buf != NULL) {
+ FX_Free(gif_image_ptr->image_row_buf);
+ }
+ FX_Free(gif_image_ptr);
+ return 2;
+ }
+ gif_image_ptr->image_code_size = *code_size_ptr;
+ gif_ptr->_gif_record_current_position_fn(gif_ptr,
+ &gif_image_ptr->image_data_pos);
+ gif_image_ptr->image_data_pos += gif_ptr->skip_size;
+ _gif_takeover_gce_ptr(gif_ptr, &gif_image_ptr->image_gce_ptr);
+ gif_ptr->img_ptr_arr_ptr->Add(gif_image_ptr);
+ _gif_save_decoding_status(gif_ptr, GIF_D_STATUS_IMG_DATA);
+ return 1;
+}
+int32_t _gif_load_frame(gif_decompress_struct_p gif_ptr, int32_t frame_num) {
+ if (gif_ptr == NULL || frame_num < 0 ||
+ frame_num >= gif_ptr->img_ptr_arr_ptr->GetSize()) {
+ return 0;
+ }
+ uint8_t* data_size_ptr = NULL;
+ uint8_t* data_ptr = NULL;
+ FX_DWORD skip_size_org = gif_ptr->skip_size;
+ GifImage* gif_image_ptr = gif_ptr->img_ptr_arr_ptr->GetAt(frame_num);
+ FX_DWORD gif_img_row_bytes = gif_image_ptr->image_info_ptr->width;
+ if (gif_ptr->decode_status == GIF_D_STATUS_TAIL) {
+ if (gif_image_ptr->image_row_buf) {
+ FX_Free(gif_image_ptr->image_row_buf);
+ gif_image_ptr->image_row_buf = NULL;
+ }
+ gif_image_ptr->image_row_buf = FX_Alloc(uint8_t, gif_img_row_bytes);
+ GIF_PTR_NOT_NULL(gif_image_ptr->image_row_buf, gif_ptr);
+ GifGCE* gif_img_gce_ptr = gif_image_ptr->image_gce_ptr;
+ int32_t loc_pal_num =
+ ((GifLF*)&gif_image_ptr->image_info_ptr->local_flag)->local_pal
+ ? (2 << ((GifLF*)&gif_image_ptr->image_info_ptr->local_flag)
+ ->pal_bits)
+ : 0;
+ gif_ptr->avail_in = 0;
+ if (gif_img_gce_ptr == NULL) {
+ FX_BOOL bRes = gif_ptr->_gif_get_record_position_fn(
+ gif_ptr, gif_image_ptr->image_data_pos,
+ gif_image_ptr->image_info_ptr->left,
+ gif_image_ptr->image_info_ptr->top,
+ gif_image_ptr->image_info_ptr->width,
+ gif_image_ptr->image_info_ptr->height, loc_pal_num,
+ gif_image_ptr->local_pal_ptr, 0, 0, -1, 0,
+ (FX_BOOL)((GifLF*)&gif_image_ptr->image_info_ptr->local_flag)
+ ->interlace);
+ if (!bRes) {
+ FX_Free(gif_image_ptr->image_row_buf);
+ gif_image_ptr->image_row_buf = NULL;
+ _gif_error(gif_ptr, "Error Read Record Position Data");
return 0;
- }
- FX_DWORD skip_size_org = gif_ptr->skip_size;
- ASSERT(sizeof(GifImageInfo) == 9);
- GifImageInfo* gif_img_info_ptr = NULL;
- if(_gif_read_data(gif_ptr, (uint8_t**)&gif_img_info_ptr, 9) == NULL) {
- return 2;
- }
- GifImage* gif_image_ptr = (GifImage*)FX_Alloc(uint8_t, sizeof(GifImage));
- GIF_PTR_NOT_NULL(gif_image_ptr, gif_ptr);
- FXSYS_memset(gif_image_ptr, 0, sizeof(GifImage));
- gif_image_ptr->image_info_ptr = (GifImageInfo*)FX_Alloc(uint8_t, sizeof(GifImageInfo));
- GIF_PTR_NOT_NULL(gif_image_ptr->image_info_ptr, gif_ptr);
- gif_image_ptr->image_info_ptr->left = _GetWord_LSBFirst((uint8_t*)&gif_img_info_ptr->left);
- gif_image_ptr->image_info_ptr->top = _GetWord_LSBFirst((uint8_t*)&gif_img_info_ptr->top);
- gif_image_ptr->image_info_ptr->width = _GetWord_LSBFirst((uint8_t*)&gif_img_info_ptr->width);
- gif_image_ptr->image_info_ptr->height = _GetWord_LSBFirst((uint8_t*)&gif_img_info_ptr->height);
- gif_image_ptr->image_info_ptr->local_flag = gif_img_info_ptr->local_flag;
- if(gif_image_ptr->image_info_ptr->left + gif_image_ptr->image_info_ptr->width > gif_ptr->width ||
- gif_image_ptr->image_info_ptr->top + gif_image_ptr->image_info_ptr->height > gif_ptr->height) {
- if(gif_image_ptr->image_info_ptr != NULL) {
- FX_Free(gif_image_ptr->image_info_ptr);
- }
- if(gif_image_ptr->image_row_buf != NULL) {
- FX_Free(gif_image_ptr->image_row_buf);
- }
- FX_Free(gif_image_ptr);
- _gif_error(gif_ptr, "Image Data Out Of LSD, The File May Be Corrupt");
+ }
+ } else {
+ FX_BOOL bRes = gif_ptr->_gif_get_record_position_fn(
+ gif_ptr, gif_image_ptr->image_data_pos,
+ gif_image_ptr->image_info_ptr->left,
+ gif_image_ptr->image_info_ptr->top,
+ gif_image_ptr->image_info_ptr->width,
+ gif_image_ptr->image_info_ptr->height, loc_pal_num,
+ gif_image_ptr->local_pal_ptr,
+ (int32_t)gif_image_ptr->image_gce_ptr->delay_time,
+ (FX_BOOL)((GifCEF*)&gif_image_ptr->image_gce_ptr->gce_flag)
+ ->user_input,
+ ((GifCEF*)&gif_image_ptr->image_gce_ptr->gce_flag)->transparency
+ ? (int32_t)gif_image_ptr->image_gce_ptr->trans_index
+ : -1,
+ (int32_t)((GifCEF*)&gif_image_ptr->image_gce_ptr->gce_flag)
+ ->disposal_method,
+ (FX_BOOL)((GifLF*)&gif_image_ptr->image_info_ptr->local_flag)
+ ->interlace);
+ if (!bRes) {
+ FX_Free(gif_image_ptr->image_row_buf);
+ gif_image_ptr->image_row_buf = NULL;
+ _gif_error(gif_ptr, "Error Read Record Position Data");
return 0;
+ }
}
- GifLF* gif_img_info_lf_ptr = (GifLF*)&gif_img_info_ptr->local_flag;
- if(gif_img_info_lf_ptr->local_pal) {
- ASSERT(sizeof(GifPalette) == 3);
- int32_t loc_pal_size = (2 << gif_img_info_lf_ptr->pal_bits) * 3;
- uint8_t* loc_pal_ptr = NULL;
- if(_gif_read_data(gif_ptr, &loc_pal_ptr, loc_pal_size) == NULL) {
- gif_ptr->skip_size = skip_size_org;
- if(gif_image_ptr->image_info_ptr != NULL) {
- FX_Free(gif_image_ptr->image_info_ptr);
- }
- if(gif_image_ptr->image_row_buf != NULL) {
- FX_Free(gif_image_ptr->image_row_buf);
- }
- FX_Free(gif_image_ptr);
- return 2;
- }
- gif_image_ptr->local_pal_ptr = (GifPalette*)gif_ptr->_gif_ask_buf_for_pal_fn(gif_ptr, loc_pal_size);
- if(gif_image_ptr->local_pal_ptr != NULL) {
- FXSYS_memcpy((uint8_t*)gif_image_ptr->local_pal_ptr, loc_pal_ptr, loc_pal_size);
- }
+ if (gif_ptr->img_decoder_ptr == NULL) {
+ gif_ptr->img_decoder_ptr = new CGifLZWDecoder(gif_ptr->err_ptr);
+ GIF_PTR_NOT_NULL(gif_ptr->img_decoder_ptr, gif_ptr);
}
- uint8_t* code_size_ptr = NULL;
- if(_gif_read_data(gif_ptr, &code_size_ptr, 1) == NULL) {
+ gif_ptr->img_decoder_ptr->InitTable(gif_image_ptr->image_code_size);
+ gif_ptr->img_row_offset = 0;
+ gif_ptr->img_row_avail_size = 0;
+ gif_ptr->img_pass_num = 0;
+ gif_image_ptr->image_row_num = 0;
+ _gif_save_decoding_status(gif_ptr, GIF_D_STATUS_IMG_DATA);
+ }
+ CGifLZWDecoder* img_decoder_ptr = gif_ptr->img_decoder_ptr;
+ if (gif_ptr->decode_status == GIF_D_STATUS_IMG_DATA) {
+ if (_gif_read_data(gif_ptr, &data_size_ptr, 1) == NULL) {
+ return 2;
+ }
+ if (*data_size_ptr != GIF_BLOCK_TERMINAL) {
+ if (_gif_read_data(gif_ptr, &data_ptr, *data_size_ptr) == NULL) {
gif_ptr->skip_size = skip_size_org;
- if(gif_image_ptr->image_info_ptr != NULL) {
- FX_Free(gif_image_ptr->image_info_ptr);
- }
- if(gif_image_ptr->local_pal_ptr != NULL) {
- FX_Free(gif_image_ptr->local_pal_ptr);
- }
- if(gif_image_ptr->image_row_buf != NULL) {
- FX_Free(gif_image_ptr->image_row_buf);
- }
- FX_Free(gif_image_ptr);
return 2;
- }
- gif_image_ptr->image_code_size = *code_size_ptr;
- gif_ptr->_gif_record_current_position_fn(gif_ptr, &gif_image_ptr->image_data_pos);
- gif_image_ptr->image_data_pos += gif_ptr->skip_size;
- _gif_takeover_gce_ptr(gif_ptr, &gif_image_ptr->image_gce_ptr);
- gif_ptr->img_ptr_arr_ptr->Add(gif_image_ptr);
- _gif_save_decoding_status(gif_ptr, GIF_D_STATUS_IMG_DATA);
- return 1;
-}
-int32_t _gif_load_frame(gif_decompress_struct_p gif_ptr, int32_t frame_num)
-{
- if(gif_ptr == NULL ||
- frame_num < 0 ||
- frame_num >= gif_ptr->img_ptr_arr_ptr->GetSize()
- ) {
+ }
+ img_decoder_ptr->Input(data_ptr, *data_size_ptr);
+ _gif_save_decoding_status(gif_ptr, GIF_D_STATUS_IMG_DATA);
+ gif_ptr->img_row_offset += gif_ptr->img_row_avail_size;
+ gif_ptr->img_row_avail_size = gif_img_row_bytes - gif_ptr->img_row_offset;
+ int32_t ret = img_decoder_ptr->Decode(
+ gif_image_ptr->image_row_buf + gif_ptr->img_row_offset,
+ gif_ptr->img_row_avail_size);
+ if (ret == 0) {
+ FX_Free(gif_image_ptr->image_row_buf);
+ gif_image_ptr->image_row_buf = NULL;
+ _gif_save_decoding_status(gif_ptr, GIF_D_STATUS_TAIL);
+ _gif_error(gif_ptr, "Decode Image Data Error");
return 0;
- }
- uint8_t* data_size_ptr = NULL;
- uint8_t* data_ptr = NULL;
- FX_DWORD skip_size_org = gif_ptr->skip_size;
- GifImage* gif_image_ptr = gif_ptr->img_ptr_arr_ptr->GetAt(frame_num);
- FX_DWORD gif_img_row_bytes = gif_image_ptr->image_info_ptr->width;
- if(gif_ptr->decode_status == GIF_D_STATUS_TAIL) {
- if(gif_image_ptr->image_row_buf) {
- FX_Free(gif_image_ptr->image_row_buf);
- gif_image_ptr->image_row_buf = NULL;
- }
- gif_image_ptr->image_row_buf = FX_Alloc(uint8_t, gif_img_row_bytes);
- GIF_PTR_NOT_NULL(gif_image_ptr->image_row_buf, gif_ptr);
- GifGCE* gif_img_gce_ptr = gif_image_ptr->image_gce_ptr;
- int32_t loc_pal_num = ((GifLF*)&gif_image_ptr->image_info_ptr->local_flag)->local_pal ?
- (2 << ((GifLF*)&gif_image_ptr->image_info_ptr->local_flag)->pal_bits) : 0;
- gif_ptr->avail_in = 0;
- if(gif_img_gce_ptr == NULL) {
- FX_BOOL bRes = gif_ptr->_gif_get_record_position_fn(gif_ptr, gif_image_ptr->image_data_pos,
- gif_image_ptr->image_info_ptr->left,
- gif_image_ptr->image_info_ptr->top,
- gif_image_ptr->image_info_ptr->width,
- gif_image_ptr->image_info_ptr->height,
- loc_pal_num, gif_image_ptr->local_pal_ptr,
- 0, 0, -1, 0,
- (FX_BOOL)((GifLF*)&gif_image_ptr->image_info_ptr->local_flag)->interlace
- );
- if(!bRes) {
- FX_Free(gif_image_ptr->image_row_buf);
- gif_image_ptr->image_row_buf = NULL;
- _gif_error(gif_ptr, "Error Read Record Position Data");
- return 0;
- }
- } else {
- FX_BOOL bRes = gif_ptr->_gif_get_record_position_fn(gif_ptr, gif_image_ptr->image_data_pos,
- gif_image_ptr->image_info_ptr->left,
- gif_image_ptr->image_info_ptr->top,
- gif_image_ptr->image_info_ptr->width,
- gif_image_ptr->image_info_ptr->height,
- loc_pal_num, gif_image_ptr->local_pal_ptr,
- (int32_t)gif_image_ptr->image_gce_ptr->delay_time,
- (FX_BOOL)((GifCEF*)&gif_image_ptr->image_gce_ptr->gce_flag)->user_input,
- ((GifCEF*)&gif_image_ptr->image_gce_ptr->gce_flag)->transparency ?
- (int32_t)gif_image_ptr->image_gce_ptr->trans_index : -1,
- (int32_t)((GifCEF*)&gif_image_ptr->image_gce_ptr->gce_flag)->disposal_method,
- (FX_BOOL)((GifLF*)&gif_image_ptr->image_info_ptr->local_flag)->interlace
- );
- if(!bRes) {
- FX_Free(gif_image_ptr->image_row_buf);
- gif_image_ptr->image_row_buf = NULL;
- _gif_error(gif_ptr, "Error Read Record Position Data");
- return 0;
- }
+ }
+ while (ret != 0) {
+ if (ret == 1) {
+ gif_ptr->_gif_get_row_fn(gif_ptr, gif_image_ptr->image_row_num,
+ gif_image_ptr->image_row_buf);
+ FX_Free(gif_image_ptr->image_row_buf);
+ gif_image_ptr->image_row_buf = NULL;
+ _gif_save_decoding_status(gif_ptr, GIF_D_STATUS_TAIL);
+ return 1;
}
- if(gif_ptr->img_decoder_ptr == NULL) {
- gif_ptr->img_decoder_ptr = new CGifLZWDecoder(gif_ptr->err_ptr);
- GIF_PTR_NOT_NULL(gif_ptr->img_decoder_ptr, gif_ptr);
- }
- gif_ptr->img_decoder_ptr->InitTable(gif_image_ptr->image_code_size);
- gif_ptr->img_row_offset = 0;
- gif_ptr->img_row_avail_size = 0;
- gif_ptr->img_pass_num = 0;
- gif_image_ptr->image_row_num = 0;
- _gif_save_decoding_status(gif_ptr, GIF_D_STATUS_IMG_DATA);
- }
- CGifLZWDecoder* img_decoder_ptr = gif_ptr->img_decoder_ptr;
- if(gif_ptr->decode_status == GIF_D_STATUS_IMG_DATA) {
- if(_gif_read_data(gif_ptr, &data_size_ptr, 1) == NULL) {
+ if (ret == 2) {
+ ASSERT(img_decoder_ptr->GetAvailInput() == 0);
+ skip_size_org = gif_ptr->skip_size;
+ if (_gif_read_data(gif_ptr, &data_size_ptr, 1) == NULL) {
return 2;
- }
- if(*data_size_ptr != GIF_BLOCK_TERMINAL) {
- if(_gif_read_data(gif_ptr, &data_ptr, *data_size_ptr) == NULL) {
- gif_ptr->skip_size = skip_size_org;
- return 2;
+ }
+ if (*data_size_ptr != GIF_BLOCK_TERMINAL) {
+ if (_gif_read_data(gif_ptr, &data_ptr, *data_size_ptr) == NULL) {
+ gif_ptr->skip_size = skip_size_org;
+ return 2;
}
img_decoder_ptr->Input(data_ptr, *data_size_ptr);
_gif_save_decoding_status(gif_ptr, GIF_D_STATUS_IMG_DATA);
gif_ptr->img_row_offset += gif_ptr->img_row_avail_size;
- gif_ptr->img_row_avail_size = gif_img_row_bytes - gif_ptr->img_row_offset;
- int32_t ret = img_decoder_ptr->Decode(gif_image_ptr->image_row_buf + gif_ptr->img_row_offset, gif_ptr->img_row_avail_size);
- if(ret == 0) {
- FX_Free(gif_image_ptr->image_row_buf);
- gif_image_ptr->image_row_buf = NULL;
- _gif_save_decoding_status(gif_ptr, GIF_D_STATUS_TAIL);
- _gif_error(gif_ptr, "Decode Image Data Error");
- return 0;
- }
- while (ret != 0) {
- if(ret == 1) {
- gif_ptr->_gif_get_row_fn(gif_ptr, gif_image_ptr->image_row_num, gif_image_ptr->image_row_buf);
- FX_Free(gif_image_ptr->image_row_buf);
- gif_image_ptr->image_row_buf = NULL;
- _gif_save_decoding_status(gif_ptr, GIF_D_STATUS_TAIL);
- return 1;
- }
- if(ret == 2) {
- ASSERT(img_decoder_ptr->GetAvailInput() == 0);
- skip_size_org = gif_ptr->skip_size;
- if(_gif_read_data(gif_ptr, &data_size_ptr, 1) == NULL) {
- return 2;
- }
- if (*data_size_ptr != GIF_BLOCK_TERMINAL) {
- if(_gif_read_data(gif_ptr, &data_ptr, *data_size_ptr) == NULL) {
- gif_ptr->skip_size = skip_size_org;
- return 2;
- }
- img_decoder_ptr->Input(data_ptr, *data_size_ptr);
- _gif_save_decoding_status(gif_ptr, GIF_D_STATUS_IMG_DATA);
- gif_ptr->img_row_offset += gif_ptr->img_row_avail_size;
- gif_ptr->img_row_avail_size = gif_img_row_bytes - gif_ptr->img_row_offset;
- ret = img_decoder_ptr->Decode(gif_image_ptr->image_row_buf + gif_ptr->img_row_offset, gif_ptr->img_row_avail_size);
- }
- }
- if(ret == 3) {
- if(((GifLF*)&gif_image_ptr->image_info_ptr->local_flag)->interlace) {
- gif_ptr->_gif_get_row_fn(gif_ptr, gif_image_ptr->image_row_num, gif_image_ptr->image_row_buf);
- gif_image_ptr->image_row_num += s_gif_interlace_step[gif_ptr->img_pass_num];
- if(gif_image_ptr->image_row_num >= (int32_t)gif_image_ptr->image_info_ptr->height) {
- gif_ptr->img_pass_num++;
- gif_image_ptr->image_row_num = s_gif_interlace_step[gif_ptr->img_pass_num] / 2;
- }
- } else {
- gif_ptr->_gif_get_row_fn(gif_ptr, gif_image_ptr->image_row_num++, gif_image_ptr->image_row_buf);
- }
- gif_ptr->img_row_offset = 0;
- gif_ptr->img_row_avail_size = gif_img_row_bytes;
- ret = img_decoder_ptr->Decode(gif_image_ptr->image_row_buf + gif_ptr->img_row_offset, gif_ptr->img_row_avail_size);
- }
- if(ret == 0) {
- FX_Free(gif_image_ptr->image_row_buf);
- gif_image_ptr->image_row_buf = NULL;
- _gif_save_decoding_status(gif_ptr, GIF_D_STATUS_TAIL);
- _gif_error(gif_ptr, "Decode Image Data Error");
- return 0;
- }
+ gif_ptr->img_row_avail_size =
+ gif_img_row_bytes - gif_ptr->img_row_offset;
+ ret = img_decoder_ptr->Decode(
+ gif_image_ptr->image_row_buf + gif_ptr->img_row_offset,
+ gif_ptr->img_row_avail_size);
+ }
+ }
+ if (ret == 3) {
+ if (((GifLF*)&gif_image_ptr->image_info_ptr->local_flag)->interlace) {
+ gif_ptr->_gif_get_row_fn(gif_ptr, gif_image_ptr->image_row_num,
+ gif_image_ptr->image_row_buf);
+ gif_image_ptr->image_row_num +=
+ s_gif_interlace_step[gif_ptr->img_pass_num];
+ if (gif_image_ptr->image_row_num >=
+ (int32_t)gif_image_ptr->image_info_ptr->height) {
+ gif_ptr->img_pass_num++;
+ gif_image_ptr->image_row_num =
+ s_gif_interlace_step[gif_ptr->img_pass_num] / 2;
}
+ } else {
+ gif_ptr->_gif_get_row_fn(gif_ptr, gif_image_ptr->image_row_num++,
+ gif_image_ptr->image_row_buf);
+ }
+ gif_ptr->img_row_offset = 0;
+ gif_ptr->img_row_avail_size = gif_img_row_bytes;
+ ret = img_decoder_ptr->Decode(
+ gif_image_ptr->image_row_buf + gif_ptr->img_row_offset,
+ gif_ptr->img_row_avail_size);
}
- _gif_save_decoding_status(gif_ptr, GIF_D_STATUS_TAIL);
+ if (ret == 0) {
+ FX_Free(gif_image_ptr->image_row_buf);
+ gif_image_ptr->image_row_buf = NULL;
+ _gif_save_decoding_status(gif_ptr, GIF_D_STATUS_TAIL);
+ _gif_error(gif_ptr, "Decode Image Data Error");
+ return 0;
+ }
+ }
}
- _gif_error(gif_ptr, "Decode Image Data Error");
- return 0;
+ _gif_save_decoding_status(gif_ptr, GIF_D_STATUS_TAIL);
+ }
+ _gif_error(gif_ptr, "Decode Image Data Error");
+ return 0;
}
-void _gif_save_decoding_status(gif_decompress_struct_p gif_ptr, int32_t status)
-{
- gif_ptr->decode_status = status;
- gif_ptr->next_in += gif_ptr->skip_size;
- gif_ptr->avail_in -= gif_ptr->skip_size;
- gif_ptr->skip_size = 0;
+void _gif_save_decoding_status(gif_decompress_struct_p gif_ptr,
+ int32_t status) {
+ gif_ptr->decode_status = status;
+ gif_ptr->next_in += gif_ptr->skip_size;
+ gif_ptr->avail_in -= gif_ptr->skip_size;
+ gif_ptr->skip_size = 0;
}
-uint8_t* _gif_read_data(gif_decompress_struct_p gif_ptr, uint8_t** des_buf_pp, FX_DWORD data_size)
-{
- if(gif_ptr == NULL ||
- gif_ptr->avail_in < gif_ptr->skip_size + data_size) {
- return NULL;
- }
- *des_buf_pp = gif_ptr->next_in + gif_ptr->skip_size;
- gif_ptr->skip_size += data_size;
- return *des_buf_pp;
+uint8_t* _gif_read_data(gif_decompress_struct_p gif_ptr,
+ uint8_t** des_buf_pp,
+ FX_DWORD data_size) {
+ if (gif_ptr == NULL || gif_ptr->avail_in < gif_ptr->skip_size + data_size) {
+ return NULL;
+ }
+ *des_buf_pp = gif_ptr->next_in + gif_ptr->skip_size;
+ gif_ptr->skip_size += data_size;
+ return *des_buf_pp;
}
-void _gif_input_buffer(gif_decompress_struct_p gif_ptr, uint8_t* src_buf, FX_DWORD src_size)
-{
- gif_ptr->next_in = src_buf;
- gif_ptr->avail_in = src_size;
- gif_ptr->skip_size = 0;
+void _gif_input_buffer(gif_decompress_struct_p gif_ptr,
+ uint8_t* src_buf,
+ FX_DWORD src_size) {
+ gif_ptr->next_in = src_buf;
+ gif_ptr->avail_in = src_size;
+ gif_ptr->skip_size = 0;
}
-FX_DWORD _gif_get_avail_input(gif_decompress_struct_p gif_ptr, uint8_t** avial_buf_ptr)
-{
- if(avial_buf_ptr != NULL) {
- *avial_buf_ptr = NULL;
- if(gif_ptr->avail_in > 0) {
- *avial_buf_ptr = gif_ptr->next_in;
- }
- }
- return gif_ptr->avail_in;
+FX_DWORD _gif_get_avail_input(gif_decompress_struct_p gif_ptr,
+ uint8_t** avial_buf_ptr) {
+ if (avial_buf_ptr != NULL) {
+ *avial_buf_ptr = NULL;
+ if (gif_ptr->avail_in > 0) {
+ *avial_buf_ptr = gif_ptr->next_in;
+ }
+ }
+ return gif_ptr->avail_in;
}
-int32_t _gif_get_frame_num(gif_decompress_struct_p gif_ptr)
-{
- return gif_ptr->img_ptr_arr_ptr->GetSize();
+int32_t _gif_get_frame_num(gif_decompress_struct_p gif_ptr) {
+ return gif_ptr->img_ptr_arr_ptr->GetSize();
}
-static FX_BOOL _gif_write_header( gif_compress_struct_p gif_ptr, uint8_t*& dst_buf, FX_DWORD& dst_len )
-{
- if (gif_ptr->cur_offset) {
- return TRUE;
- }
- dst_len = sizeof(GifHeader) + sizeof(GifLSD) + sizeof(GifGF);
- dst_buf = FX_TryAlloc(uint8_t, dst_len);
- if (dst_buf == NULL) {
- return FALSE;
- }
- FXSYS_memset(dst_buf, 0, dst_len);
- FXSYS_memcpy(dst_buf, gif_ptr->header_ptr, sizeof(GifHeader));
- gif_ptr->cur_offset += sizeof(GifHeader);
- _SetWord_LSBFirst(dst_buf + gif_ptr->cur_offset, gif_ptr->lsd_ptr->width);
- gif_ptr->cur_offset += 2;
- _SetWord_LSBFirst(dst_buf + gif_ptr->cur_offset, gif_ptr->lsd_ptr->height);
- gif_ptr->cur_offset += 2;
- dst_buf[gif_ptr->cur_offset++] = gif_ptr->lsd_ptr->global_flag;
- dst_buf[gif_ptr->cur_offset++] = gif_ptr->lsd_ptr->bc_index;
- dst_buf[gif_ptr->cur_offset++] = gif_ptr->lsd_ptr->pixel_aspect;
- if (gif_ptr->global_pal) {
- FX_WORD size = sizeof(GifPalette) * gif_ptr->gpal_num;
- if (!_gif_grow_buf(dst_buf, dst_len, gif_ptr->cur_offset + size)) {
- return FALSE;
- }
- FXSYS_memcpy(&dst_buf[gif_ptr->cur_offset], gif_ptr->global_pal, size);
- gif_ptr->cur_offset += size;
- }
+static FX_BOOL _gif_write_header(gif_compress_struct_p gif_ptr,
+ uint8_t*& dst_buf,
+ FX_DWORD& dst_len) {
+ if (gif_ptr->cur_offset) {
return TRUE;
+ }
+ dst_len = sizeof(GifHeader) + sizeof(GifLSD) + sizeof(GifGF);
+ dst_buf = FX_TryAlloc(uint8_t, dst_len);
+ if (dst_buf == NULL) {
+ return FALSE;
+ }
+ FXSYS_memset(dst_buf, 0, dst_len);
+ FXSYS_memcpy(dst_buf, gif_ptr->header_ptr, sizeof(GifHeader));
+ gif_ptr->cur_offset += sizeof(GifHeader);
+ _SetWord_LSBFirst(dst_buf + gif_ptr->cur_offset, gif_ptr->lsd_ptr->width);
+ gif_ptr->cur_offset += 2;
+ _SetWord_LSBFirst(dst_buf + gif_ptr->cur_offset, gif_ptr->lsd_ptr->height);
+ gif_ptr->cur_offset += 2;
+ dst_buf[gif_ptr->cur_offset++] = gif_ptr->lsd_ptr->global_flag;
+ dst_buf[gif_ptr->cur_offset++] = gif_ptr->lsd_ptr->bc_index;
+ dst_buf[gif_ptr->cur_offset++] = gif_ptr->lsd_ptr->pixel_aspect;
+ if (gif_ptr->global_pal) {
+ FX_WORD size = sizeof(GifPalette) * gif_ptr->gpal_num;
+ if (!_gif_grow_buf(dst_buf, dst_len, gif_ptr->cur_offset + size)) {
+ return FALSE;
+ }
+ FXSYS_memcpy(&dst_buf[gif_ptr->cur_offset], gif_ptr->global_pal, size);
+ gif_ptr->cur_offset += size;
+ }
+ return TRUE;
}
-void interlace_buf(const uint8_t* buf, FX_DWORD pitch, FX_DWORD height)
-{
- CFX_ArrayTemplate<uint8_t*> pass[4];
- int i, j;
- FX_DWORD row;
- row = 0;
- uint8_t* temp;
- while (row < height) {
- if (row % 8 == 0) {
- j = 0;
- } else if (row % 4 == 0) {
- j = 1;
- } else if (row % 2 == 0) {
- j = 2;
- } else {
- j = 3;
- }
- temp = FX_Alloc(uint8_t, pitch);
- if (temp == NULL) {
- return;
- }
- FXSYS_memcpy(temp, &buf[pitch * row], pitch);
- pass[j].Add(temp);
- row ++;
- }
- for (i = 0, row = 0; i < 4; i++) {
- for (j = 0; j < pass[i].GetSize(); j++, row++) {
- FXSYS_memcpy((uint8_t*)&buf[pitch * row], pass[i].GetAt(j), pitch);
- FX_Free(pass[i].GetAt(j));
- }
- }
+void interlace_buf(const uint8_t* buf, FX_DWORD pitch, FX_DWORD height) {
+ CFX_ArrayTemplate<uint8_t*> pass[4];
+ int i, j;
+ FX_DWORD row;
+ row = 0;
+ uint8_t* temp;
+ while (row < height) {
+ if (row % 8 == 0) {
+ j = 0;
+ } else if (row % 4 == 0) {
+ j = 1;
+ } else if (row % 2 == 0) {
+ j = 2;
+ } else {
+ j = 3;
+ }
+ temp = FX_Alloc(uint8_t, pitch);
+ if (temp == NULL) {
+ return;
+ }
+ FXSYS_memcpy(temp, &buf[pitch * row], pitch);
+ pass[j].Add(temp);
+ row++;
+ }
+ for (i = 0, row = 0; i < 4; i++) {
+ for (j = 0; j < pass[i].GetSize(); j++, row++) {
+ FXSYS_memcpy((uint8_t*)&buf[pitch * row], pass[i].GetAt(j), pitch);
+ FX_Free(pass[i].GetAt(j));
+ }
+ }
}
-static void _gif_write_block_data(const uint8_t* src_buf, FX_DWORD src_len, uint8_t*& dst_buf, FX_DWORD& dst_len, FX_DWORD& dst_offset)
-{
- FX_DWORD src_offset = 0;
- while (src_len > GIF_DATA_BLOCK) {
- dst_buf[dst_offset++] = GIF_DATA_BLOCK;
- FXSYS_memcpy(&dst_buf[dst_offset], &src_buf[src_offset], GIF_DATA_BLOCK);
- dst_offset += GIF_DATA_BLOCK;
- src_offset += GIF_DATA_BLOCK;
- src_len -= GIF_DATA_BLOCK;
- }
- dst_buf[dst_offset++] = (uint8_t)src_len;
- FXSYS_memcpy(&dst_buf[dst_offset], &src_buf[src_offset], src_len);
- dst_offset += src_len;
+static void _gif_write_block_data(const uint8_t* src_buf,
+ FX_DWORD src_len,
+ uint8_t*& dst_buf,
+ FX_DWORD& dst_len,
+ FX_DWORD& dst_offset) {
+ FX_DWORD src_offset = 0;
+ while (src_len > GIF_DATA_BLOCK) {
+ dst_buf[dst_offset++] = GIF_DATA_BLOCK;
+ FXSYS_memcpy(&dst_buf[dst_offset], &src_buf[src_offset], GIF_DATA_BLOCK);
+ dst_offset += GIF_DATA_BLOCK;
+ src_offset += GIF_DATA_BLOCK;
+ src_len -= GIF_DATA_BLOCK;
+ }
+ dst_buf[dst_offset++] = (uint8_t)src_len;
+ FXSYS_memcpy(&dst_buf[dst_offset], &src_buf[src_offset], src_len);
+ dst_offset += src_len;
}
-static FX_BOOL _gif_write_data( gif_compress_struct_p gif_ptr, uint8_t*& dst_buf, FX_DWORD& dst_len )
-{
- if (!_gif_grow_buf(dst_buf, dst_len, gif_ptr->cur_offset + GIF_DATA_BLOCK)) {
- return FALSE;
- }
+static FX_BOOL _gif_write_data(gif_compress_struct_p gif_ptr,
+ uint8_t*& dst_buf,
+ FX_DWORD& dst_len) {
+ if (!_gif_grow_buf(dst_buf, dst_len, gif_ptr->cur_offset + GIF_DATA_BLOCK)) {
+ return FALSE;
+ }
#ifdef GIF_SUPPORT_GRAPHIC_CONTROL_EXTENSION
- if (FXSYS_memcmp(gif_ptr->header_ptr->version, "89a", 3) == 0) {
- dst_buf[gif_ptr->cur_offset++] = GIF_SIG_EXTENSION;
- dst_buf[gif_ptr->cur_offset++] = GIF_BLOCK_GCE;
- gif_ptr->gce_ptr->block_size = 4;
- dst_buf[gif_ptr->cur_offset++] = gif_ptr->gce_ptr->block_size;
- gif_ptr->gce_ptr->gce_flag = 0;
- dst_buf[gif_ptr->cur_offset++] = gif_ptr->gce_ptr->gce_flag;
- gif_ptr->gce_ptr->delay_time = 10;
- _SetWord_LSBFirst(dst_buf + gif_ptr->cur_offset, gif_ptr->gce_ptr->delay_time);
- gif_ptr->cur_offset += 2;
- gif_ptr->gce_ptr->trans_index = 0;
- dst_buf[gif_ptr->cur_offset++] = gif_ptr->gce_ptr->trans_index;
- dst_buf[gif_ptr->cur_offset++] = 0;
- }
+ if (FXSYS_memcmp(gif_ptr->header_ptr->version, "89a", 3) == 0) {
+ dst_buf[gif_ptr->cur_offset++] = GIF_SIG_EXTENSION;
+ dst_buf[gif_ptr->cur_offset++] = GIF_BLOCK_GCE;
+ gif_ptr->gce_ptr->block_size = 4;
+ dst_buf[gif_ptr->cur_offset++] = gif_ptr->gce_ptr->block_size;
+ gif_ptr->gce_ptr->gce_flag = 0;
+ dst_buf[gif_ptr->cur_offset++] = gif_ptr->gce_ptr->gce_flag;
+ gif_ptr->gce_ptr->delay_time = 10;
+ _SetWord_LSBFirst(dst_buf + gif_ptr->cur_offset,
+ gif_ptr->gce_ptr->delay_time);
+ gif_ptr->cur_offset += 2;
+ gif_ptr->gce_ptr->trans_index = 0;
+ dst_buf[gif_ptr->cur_offset++] = gif_ptr->gce_ptr->trans_index;
+ dst_buf[gif_ptr->cur_offset++] = 0;
+ }
+#endif
+ dst_buf[gif_ptr->cur_offset++] = GIF_SIG_IMAGE;
+ _SetWord_LSBFirst(dst_buf + gif_ptr->cur_offset,
+ gif_ptr->image_info_ptr->left);
+ gif_ptr->cur_offset += 2;
+ _SetWord_LSBFirst(dst_buf + gif_ptr->cur_offset,
+ gif_ptr->image_info_ptr->top);
+ gif_ptr->cur_offset += 2;
+ _SetWord_LSBFirst(dst_buf + gif_ptr->cur_offset,
+ gif_ptr->image_info_ptr->width);
+ gif_ptr->cur_offset += 2;
+ _SetWord_LSBFirst(dst_buf + gif_ptr->cur_offset,
+ gif_ptr->image_info_ptr->height);
+ gif_ptr->cur_offset += 2;
+ GifLF& lf = (GifLF&)gif_ptr->image_info_ptr->local_flag;
+ dst_buf[gif_ptr->cur_offset++] = gif_ptr->image_info_ptr->local_flag;
+ if (gif_ptr->local_pal) {
+ FX_DWORD pal_size = sizeof(GifPalette) * gif_ptr->lpal_num;
+ if (!_gif_grow_buf(dst_buf, dst_len, pal_size + gif_ptr->cur_offset)) {
+ return FALSE;
+ }
+ FXSYS_memcpy(&dst_buf[gif_ptr->cur_offset], gif_ptr->local_pal, pal_size);
+ gif_ptr->cur_offset += pal_size;
+ }
+ if (lf.interlace) {
+ interlace_buf(gif_ptr->src_buf, gif_ptr->src_pitch,
+ gif_ptr->image_info_ptr->height);
+ }
+ uint8_t code_bit = lf.pal_bits;
+ if (lf.local_pal == 0) {
+ GifGF& gf = (GifGF&)gif_ptr->lsd_ptr->global_flag;
+ code_bit = gf.pal_bits;
+ }
+ gif_ptr->img_encoder_ptr->Start(code_bit, gif_ptr->src_buf, dst_buf,
+ gif_ptr->cur_offset);
+ FX_DWORD i;
+ for (i = 0; i < gif_ptr->src_row; i++) {
+ if (!gif_ptr->img_encoder_ptr->Encode(
+ &gif_ptr->src_buf[i * gif_ptr->src_pitch],
+ gif_ptr->src_width * (code_bit + 1), dst_buf, dst_len,
+ gif_ptr->cur_offset)) {
+ return FALSE;
+ }
+ }
+ gif_ptr->img_encoder_ptr->Finish(dst_buf, dst_len, gif_ptr->cur_offset);
+ dst_buf[gif_ptr->cur_offset++] = 0;
+#ifdef GIF_SUPPORT_COMMENT_EXTENSION
+ if (FXSYS_memcmp(gif_ptr->header_ptr->version, "89a", 3) == 0 &&
+ gif_ptr->cmt_data_ptr) {
+ dst_buf[gif_ptr->cur_offset++] = GIF_SIG_EXTENSION;
+ dst_buf[gif_ptr->cur_offset++] = GIF_BLOCK_CE;
+ _gif_write_block_data(gif_ptr->cmt_data_ptr, gif_ptr->cmt_data_len, dst_buf,
+ dst_len, gif_ptr->cur_offset);
+ dst_buf[gif_ptr->cur_offset++] = 0;
+ }
#endif
- dst_buf[gif_ptr->cur_offset++] = GIF_SIG_IMAGE;
- _SetWord_LSBFirst(dst_buf + gif_ptr->cur_offset, gif_ptr->image_info_ptr->left);
+#ifdef GIF_SUPPORT_PLAIN_TEXT_EXTENSION
+ if (FXSYS_memcmp(gif_ptr->header_ptr->version, "89a", 3) == 0 &&
+ gif_ptr->pte_data_ptr) {
+ dst_buf[gif_ptr->cur_offset++] = GIF_SIG_EXTENSION;
+ dst_buf[gif_ptr->cur_offset++] = GIF_BLOCK_PTE;
+ dst_buf[gif_ptr->cur_offset++] = gif_ptr->pte_ptr->block_size;
+ _SetWord_LSBFirst(dst_buf + gif_ptr->cur_offset,
+ gif_ptr->pte_ptr->grid_left);
gif_ptr->cur_offset += 2;
- _SetWord_LSBFirst(dst_buf + gif_ptr->cur_offset, gif_ptr->image_info_ptr->top);
+ _SetWord_LSBFirst(dst_buf + gif_ptr->cur_offset,
+ gif_ptr->pte_ptr->grid_top);
gif_ptr->cur_offset += 2;
- _SetWord_LSBFirst(dst_buf + gif_ptr->cur_offset, gif_ptr->image_info_ptr->width);
+ _SetWord_LSBFirst(dst_buf + gif_ptr->cur_offset,
+ gif_ptr->pte_ptr->grid_width);
gif_ptr->cur_offset += 2;
- _SetWord_LSBFirst(dst_buf + gif_ptr->cur_offset, gif_ptr->image_info_ptr->height);
+ _SetWord_LSBFirst(dst_buf + gif_ptr->cur_offset,
+ gif_ptr->pte_ptr->grid_height);
gif_ptr->cur_offset += 2;
- GifLF& lf = (GifLF&)gif_ptr->image_info_ptr->local_flag;
- dst_buf[gif_ptr->cur_offset++] = gif_ptr->image_info_ptr->local_flag;
- if (gif_ptr->local_pal) {
- FX_DWORD pal_size = sizeof(GifPalette) * gif_ptr->lpal_num;
- if (!_gif_grow_buf(dst_buf, dst_len, pal_size + gif_ptr->cur_offset)) {
- return FALSE;
- }
- FXSYS_memcpy(&dst_buf[gif_ptr->cur_offset], gif_ptr->local_pal, pal_size);
- gif_ptr->cur_offset += pal_size;
- }
- if (lf.interlace) {
- interlace_buf(gif_ptr->src_buf, gif_ptr->src_pitch, gif_ptr->image_info_ptr->height);
- }
- uint8_t code_bit = lf.pal_bits;
- if (lf.local_pal == 0) {
- GifGF& gf = (GifGF&)gif_ptr->lsd_ptr->global_flag;
- code_bit = gf.pal_bits;
- }
- gif_ptr->img_encoder_ptr->Start(code_bit, gif_ptr->src_buf, dst_buf, gif_ptr->cur_offset);
- FX_DWORD i;
- for (i = 0; i < gif_ptr->src_row; i++) {
- if (!gif_ptr->img_encoder_ptr->Encode(&gif_ptr->src_buf[i * gif_ptr->src_pitch], gif_ptr->src_width * (code_bit + 1),
- dst_buf, dst_len, gif_ptr->cur_offset)) {
- return FALSE;
- }
- }
- gif_ptr->img_encoder_ptr->Finish(dst_buf, dst_len, gif_ptr->cur_offset);
+ _SetWord_LSBFirst(dst_buf + gif_ptr->cur_offset,
+ gif_ptr->pte_ptr->char_width);
+ gif_ptr->cur_offset += 2;
+ _SetWord_LSBFirst(dst_buf + gif_ptr->cur_offset,
+ gif_ptr->pte_ptr->char_height);
+ gif_ptr->cur_offset += 2;
+ _SetWord_LSBFirst(dst_buf + gif_ptr->cur_offset,
+ gif_ptr->pte_ptr->fc_index);
+ gif_ptr->cur_offset += 2;
+ _SetWord_LSBFirst(dst_buf + gif_ptr->cur_offset,
+ gif_ptr->pte_ptr->bc_index);
+ gif_ptr->cur_offset += 2;
+ _gif_write_block_data(gif_ptr->pte_data_ptr, gif_ptr->pte_data_len, dst_buf,
+ dst_len, gif_ptr->cur_offset);
+ gif_ptr->cur_offset += gif_ptr->pte_data_len;
dst_buf[gif_ptr->cur_offset++] = 0;
-#ifdef GIF_SUPPORT_COMMENT_EXTENSION
- if (FXSYS_memcmp(gif_ptr->header_ptr->version, "89a", 3) == 0 && gif_ptr->cmt_data_ptr) {
- dst_buf[gif_ptr->cur_offset++] = GIF_SIG_EXTENSION;
- dst_buf[gif_ptr->cur_offset++] = GIF_BLOCK_CE;
- _gif_write_block_data(gif_ptr->cmt_data_ptr, gif_ptr->cmt_data_len, dst_buf, dst_len, gif_ptr->cur_offset);
- dst_buf[gif_ptr->cur_offset++] = 0;
- }
-#endif
-#ifdef GIF_SUPPORT_PLAIN_TEXT_EXTENSION
- if (FXSYS_memcmp(gif_ptr->header_ptr->version, "89a", 3) == 0 && gif_ptr->pte_data_ptr) {
- dst_buf[gif_ptr->cur_offset++] = GIF_SIG_EXTENSION;
- dst_buf[gif_ptr->cur_offset++] = GIF_BLOCK_PTE;
- dst_buf[gif_ptr->cur_offset++] = gif_ptr->pte_ptr->block_size;
- _SetWord_LSBFirst(dst_buf + gif_ptr->cur_offset, gif_ptr->pte_ptr->grid_left);
- gif_ptr->cur_offset += 2;
- _SetWord_LSBFirst(dst_buf + gif_ptr->cur_offset, gif_ptr->pte_ptr->grid_top);
- gif_ptr->cur_offset += 2;
- _SetWord_LSBFirst(dst_buf + gif_ptr->cur_offset, gif_ptr->pte_ptr->grid_width);
- gif_ptr->cur_offset += 2;
- _SetWord_LSBFirst(dst_buf + gif_ptr->cur_offset, gif_ptr->pte_ptr->grid_height);
- gif_ptr->cur_offset += 2;
- _SetWord_LSBFirst(dst_buf + gif_ptr->cur_offset, gif_ptr->pte_ptr->char_width);
- gif_ptr->cur_offset += 2;
- _SetWord_LSBFirst(dst_buf + gif_ptr->cur_offset, gif_ptr->pte_ptr->char_height);
- gif_ptr->cur_offset += 2;
- _SetWord_LSBFirst(dst_buf + gif_ptr->cur_offset, gif_ptr->pte_ptr->fc_index);
- gif_ptr->cur_offset += 2;
- _SetWord_LSBFirst(dst_buf + gif_ptr->cur_offset, gif_ptr->pte_ptr->bc_index);
- gif_ptr->cur_offset += 2;
- _gif_write_block_data(gif_ptr->pte_data_ptr, gif_ptr->pte_data_len, dst_buf, dst_len, gif_ptr->cur_offset);
- gif_ptr->cur_offset += gif_ptr->pte_data_len;
- dst_buf[gif_ptr->cur_offset++] = 0;
- }
+ }
#endif
#ifdef GIF_SUPPORT_APPLICATION_EXTENSION
- if (FXSYS_memcmp(gif_ptr->header_ptr->version, "89a", 3) == 0 && gif_ptr->app_data) {
- dst_buf[gif_ptr->cur_offset++] = GIF_SIG_EXTENSION;
- dst_buf[gif_ptr->cur_offset++] = GIF_BLOCK_AE;
- dst_buf[gif_ptr->cur_offset++] = 11;
- FXSYS_memcpy(&dst_buf[gif_ptr->cur_offset], gif_ptr->app_identify, 8);
- gif_ptr->cur_offset += 8;
- FXSYS_memcpy(&dst_buf[gif_ptr->cur_offset], gif_ptr->app_authentication, 8);
- gif_ptr->cur_offset += 3;
- FXSYS_memcpy(&dst_buf[gif_ptr->cur_offset], gif_ptr->app_data, gif_ptr->app_data_size);
- gif_ptr->cur_offset += gif_ptr->app_data_size;
- dst_buf[gif_ptr->cur_offset++] = 0;
- }
+ if (FXSYS_memcmp(gif_ptr->header_ptr->version, "89a", 3) == 0 &&
+ gif_ptr->app_data) {
+ dst_buf[gif_ptr->cur_offset++] = GIF_SIG_EXTENSION;
+ dst_buf[gif_ptr->cur_offset++] = GIF_BLOCK_AE;
+ dst_buf[gif_ptr->cur_offset++] = 11;
+ FXSYS_memcpy(&dst_buf[gif_ptr->cur_offset], gif_ptr->app_identify, 8);
+ gif_ptr->cur_offset += 8;
+ FXSYS_memcpy(&dst_buf[gif_ptr->cur_offset], gif_ptr->app_authentication, 8);
+ gif_ptr->cur_offset += 3;
+ FXSYS_memcpy(&dst_buf[gif_ptr->cur_offset], gif_ptr->app_data,
+ gif_ptr->app_data_size);
+ gif_ptr->cur_offset += gif_ptr->app_data_size;
+ dst_buf[gif_ptr->cur_offset++] = 0;
+ }
#endif
- dst_buf[gif_ptr->cur_offset++] = GIF_SIG_TRAILER;
- return TRUE;
+ dst_buf[gif_ptr->cur_offset++] = GIF_SIG_TRAILER;
+ return TRUE;
}
-FX_BOOL _gif_encode( gif_compress_struct_p gif_ptr, uint8_t*& dst_buf, FX_DWORD& dst_len )
-{
- if (!_gif_write_header(gif_ptr, dst_buf, dst_len)) {
- return FALSE;
- }
- FX_DWORD cur_offset = gif_ptr->cur_offset;
- FX_BOOL res = TRUE;
- if (gif_ptr->frames) {
- gif_ptr->cur_offset--;
- }
- if (!_gif_write_data(gif_ptr, dst_buf, dst_len)) {
- gif_ptr->cur_offset = cur_offset;
- res = FALSE;
- }
- dst_len = gif_ptr->cur_offset;
- dst_buf[dst_len - 1] = GIF_SIG_TRAILER;
- if (res) {
- gif_ptr->frames++;
- }
- return res;
+FX_BOOL _gif_encode(gif_compress_struct_p gif_ptr,
+ uint8_t*& dst_buf,
+ FX_DWORD& dst_len) {
+ if (!_gif_write_header(gif_ptr, dst_buf, dst_len)) {
+ return FALSE;
+ }
+ FX_DWORD cur_offset = gif_ptr->cur_offset;
+ FX_BOOL res = TRUE;
+ if (gif_ptr->frames) {
+ gif_ptr->cur_offset--;
+ }
+ if (!_gif_write_data(gif_ptr, dst_buf, dst_len)) {
+ gif_ptr->cur_offset = cur_offset;
+ res = FALSE;
+ }
+ dst_len = gif_ptr->cur_offset;
+ dst_buf[dst_len - 1] = GIF_SIG_TRAILER;
+ if (res) {
+ gif_ptr->frames++;
+ }
+ return res;
}
diff --git a/core/src/fxcodec/lgif/fx_gif.h b/core/src/fxcodec/lgif/fx_gif.h index 031e4a4f8f..7e45330820 100644 --- a/core/src/fxcodec/lgif/fx_gif.h +++ b/core/src/fxcodec/lgif/fx_gif.h @@ -10,277 +10,292 @@ extern FX_WORD _GetWord_LSBFirst(uint8_t* p);
extern void _SetWord_LSBFirst(uint8_t* p, FX_WORD v);
-extern void _BpcConvert(const uint8_t* src_buf, FX_DWORD src_len, int32_t src_bpc, int32_t dst_bpc,
- uint8_t*& dst_buf, FX_DWORD& dst_len);
+extern void _BpcConvert(const uint8_t* src_buf,
+ FX_DWORD src_len,
+ int32_t src_bpc,
+ int32_t dst_bpc,
+ uint8_t*& dst_buf,
+ FX_DWORD& dst_len);
#define GIF_SUPPORT_COMMENT_EXTENSION
#define GIF_SUPPORT_GRAPHIC_CONTROL_EXTENSION
#define GIF_SUPPORT_PLAIN_TEXT_EXTENSION
-#define GIF_SIGNATURE "GIF"
-#define GIF_SIG_EXTENSION 0x21
-#define GIF_SIG_IMAGE 0x2C
-#define GIF_SIG_TRAILER 0x3B
-#define GIF_BLOCK_GCE 0xF9
-#define GIF_BLOCK_PTE 0x01
-#define GIF_BLOCK_CE 0xFE
-#define GIF_BLOCK_AE 0xFF
-#define GIF_BLOCK_TERMINAL 0x00
-#define GIF_MAX_LZW_CODE 4096
-#define GIF_DATA_BLOCK 255
-#define GIF_MAX_ERROR_SIZE 256
-#define GIF_D_STATUS_SIG 0x01
-#define GIF_D_STATUS_TAIL 0x02
-#define GIF_D_STATUS_EXT 0x03
-#define GIF_D_STATUS_EXT_AE 0x04
-#define GIF_D_STATUS_EXT_CE 0x05
-#define GIF_D_STATUS_EXT_GCE 0x06
-#define GIF_D_STATUS_EXT_PTE 0x07
-#define GIF_D_STATUS_EXT_UNE 0x08
-#define GIF_D_STATUS_IMG_INFO 0x09
-#define GIF_D_STATUS_IMG_DATA 0x0A
+#define GIF_SIGNATURE "GIF"
+#define GIF_SIG_EXTENSION 0x21
+#define GIF_SIG_IMAGE 0x2C
+#define GIF_SIG_TRAILER 0x3B
+#define GIF_BLOCK_GCE 0xF9
+#define GIF_BLOCK_PTE 0x01
+#define GIF_BLOCK_CE 0xFE
+#define GIF_BLOCK_AE 0xFF
+#define GIF_BLOCK_TERMINAL 0x00
+#define GIF_MAX_LZW_CODE 4096
+#define GIF_DATA_BLOCK 255
+#define GIF_MAX_ERROR_SIZE 256
+#define GIF_D_STATUS_SIG 0x01
+#define GIF_D_STATUS_TAIL 0x02
+#define GIF_D_STATUS_EXT 0x03
+#define GIF_D_STATUS_EXT_AE 0x04
+#define GIF_D_STATUS_EXT_CE 0x05
+#define GIF_D_STATUS_EXT_GCE 0x06
+#define GIF_D_STATUS_EXT_PTE 0x07
+#define GIF_D_STATUS_EXT_UNE 0x08
+#define GIF_D_STATUS_IMG_INFO 0x09
+#define GIF_D_STATUS_IMG_DATA 0x0A
#pragma pack(1)
typedef struct tagGifGF {
- uint8_t pal_bits : 3;
- uint8_t sort_flag : 1;
- uint8_t color_resolution : 3;
- uint8_t global_pal : 1;
+ uint8_t pal_bits : 3;
+ uint8_t sort_flag : 1;
+ uint8_t color_resolution : 3;
+ uint8_t global_pal : 1;
} GifGF;
typedef struct tagGifLF {
- uint8_t pal_bits : 3;
- uint8_t reserved : 2;
- uint8_t sort_flag : 1;
- uint8_t interlace : 1;
- uint8_t local_pal : 1;
+ uint8_t pal_bits : 3;
+ uint8_t reserved : 2;
+ uint8_t sort_flag : 1;
+ uint8_t interlace : 1;
+ uint8_t local_pal : 1;
} GifLF;
typedef struct tagGifHeader {
- char signature[3];
- char version[3];
+ char signature[3];
+ char version[3];
} GifHeader;
typedef struct tagGifLSD {
- FX_WORD width;
- FX_WORD height;
- uint8_t global_flag;
- uint8_t bc_index;
- uint8_t pixel_aspect;
+ FX_WORD width;
+ FX_WORD height;
+ uint8_t global_flag;
+ uint8_t bc_index;
+ uint8_t pixel_aspect;
} GifLSD;
typedef struct tagGifImageInfo {
- FX_WORD left;
- FX_WORD top;
- FX_WORD width;
- FX_WORD height;
+ FX_WORD left;
+ FX_WORD top;
+ FX_WORD width;
+ FX_WORD height;
- uint8_t local_flag;
+ uint8_t local_flag;
} GifImageInfo;
typedef struct tagGifCEF {
- uint8_t transparency : 1;
- uint8_t user_input : 1;
- uint8_t disposal_method : 3;
- uint8_t reserved : 3;
+ uint8_t transparency : 1;
+ uint8_t user_input : 1;
+ uint8_t disposal_method : 3;
+ uint8_t reserved : 3;
} GifCEF;
typedef struct tagGifGCE {
- uint8_t block_size;
- uint8_t gce_flag;
- FX_WORD delay_time;
- uint8_t trans_index;
+ uint8_t block_size;
+ uint8_t gce_flag;
+ FX_WORD delay_time;
+ uint8_t trans_index;
} GifGCE;
typedef struct tagGifPTE {
- uint8_t block_size;
- FX_WORD grid_left;
- FX_WORD grid_top;
- FX_WORD grid_width;
- FX_WORD grid_height;
+ uint8_t block_size;
+ FX_WORD grid_left;
+ FX_WORD grid_top;
+ FX_WORD grid_width;
+ FX_WORD grid_height;
- uint8_t char_width;
- uint8_t char_height;
+ uint8_t char_width;
+ uint8_t char_height;
- uint8_t fc_index;
- uint8_t bc_index;
+ uint8_t fc_index;
+ uint8_t bc_index;
} GifPTE;
typedef struct tagGifAE {
- uint8_t block_size;
- uint8_t app_identify[8];
- uint8_t app_authentication[3];
+ uint8_t block_size;
+ uint8_t app_identify[8];
+ uint8_t app_authentication[3];
} GifAE;
-typedef struct tagGifPalette {
- uint8_t r, g, b;
-} GifPalette;
+typedef struct tagGifPalette { uint8_t r, g, b; } GifPalette;
#pragma pack()
typedef struct tagGifImage {
- GifGCE* image_gce_ptr;
- GifPalette* local_pal_ptr;
- GifImageInfo* image_info_ptr;
- uint8_t image_code_size;
- FX_DWORD image_data_pos;
- uint8_t* image_row_buf;
- int32_t image_row_num;
+ GifGCE* image_gce_ptr;
+ GifPalette* local_pal_ptr;
+ GifImageInfo* image_info_ptr;
+ uint8_t image_code_size;
+ FX_DWORD image_data_pos;
+ uint8_t* image_row_buf;
+ int32_t image_row_num;
} GifImage;
typedef struct tagGifPlainText {
- GifGCE* gce_ptr;
- GifPTE* pte_ptr;
- CFX_ByteString* string_ptr;
+ GifGCE* gce_ptr;
+ GifPTE* pte_ptr;
+ CFX_ByteString* string_ptr;
} GifPlainText;
-class CGifLZWDecoder
-{
-public:
- struct tag_Table {
- FX_WORD prefix;
- uint8_t suffix;
- };
- CGifLZWDecoder(FX_CHAR* error_ptr = NULL)
- {
- err_msg_ptr = error_ptr;
- }
- void InitTable(uint8_t code_len);
+class CGifLZWDecoder {
+ public:
+ struct tag_Table {
+ FX_WORD prefix;
+ uint8_t suffix;
+ };
+ CGifLZWDecoder(FX_CHAR* error_ptr = NULL) { err_msg_ptr = error_ptr; }
+ void InitTable(uint8_t code_len);
- int32_t Decode(uint8_t* des_buf, FX_DWORD& des_size);
+ int32_t Decode(uint8_t* des_buf, FX_DWORD& des_size);
- void Input(uint8_t* src_buf, FX_DWORD src_size);
- FX_DWORD GetAvailInput();
+ void Input(uint8_t* src_buf, FX_DWORD src_size);
+ FX_DWORD GetAvailInput();
-private:
- void ClearTable();
- void AddCode(FX_WORD prefix_code, uint8_t append_char);
- void DecodeString(FX_WORD code);
- uint8_t code_size;
- uint8_t code_size_cur;
- FX_WORD code_clear;
- FX_WORD code_end;
- FX_WORD code_next;
- uint8_t code_first;
- uint8_t stack[GIF_MAX_LZW_CODE];
- FX_WORD stack_size;
- tag_Table code_table[GIF_MAX_LZW_CODE];
- FX_WORD code_old;
+ private:
+ void ClearTable();
+ void AddCode(FX_WORD prefix_code, uint8_t append_char);
+ void DecodeString(FX_WORD code);
+ uint8_t code_size;
+ uint8_t code_size_cur;
+ FX_WORD code_clear;
+ FX_WORD code_end;
+ FX_WORD code_next;
+ uint8_t code_first;
+ uint8_t stack[GIF_MAX_LZW_CODE];
+ FX_WORD stack_size;
+ tag_Table code_table[GIF_MAX_LZW_CODE];
+ FX_WORD code_old;
- uint8_t* next_in;
- FX_DWORD avail_in;
+ uint8_t* next_in;
+ FX_DWORD avail_in;
- uint8_t bits_left;
- FX_DWORD code_store;
+ uint8_t bits_left;
+ FX_DWORD code_store;
- FX_CHAR* err_msg_ptr;
+ FX_CHAR* err_msg_ptr;
};
-class CGifLZWEncoder
-{
-public:
- struct tag_Table {
- FX_WORD prefix;
- uint8_t suffix;
- };
- CGifLZWEncoder();
- ~CGifLZWEncoder();
- void Start(uint8_t code_len, const uint8_t* src_buf, uint8_t*& dst_buf, FX_DWORD& offset);
- FX_BOOL Encode(const uint8_t* src_buf, FX_DWORD src_len, uint8_t*& dst_buf, FX_DWORD& dst_len, FX_DWORD& offset);
- void Finish(uint8_t*& dst_buf, FX_DWORD& dst_len, FX_DWORD& offset);
-private:
- void ClearTable();
- FX_BOOL LookUpInTable(const uint8_t* buf, FX_DWORD& offset, uint8_t& bit_offset);
- void EncodeString(FX_DWORD index, uint8_t*& dst_buf, FX_DWORD& dst_len, FX_DWORD& offset);
- void WriteBlock(uint8_t*& dst_buf, FX_DWORD& dst_len, FX_DWORD& offset);
- jmp_buf jmp;
- FX_DWORD src_offset;
- uint8_t src_bit_offset;
- uint8_t src_bit_cut;
- FX_DWORD src_bit_num;
- uint8_t code_size;
- FX_WORD code_clear;
- FX_WORD code_end;
- FX_WORD index_num;
- uint8_t bit_offset;
- uint8_t index_bit_cur;
- uint8_t index_buf[GIF_DATA_BLOCK];
- uint8_t index_buf_len;
- tag_Table code_table[GIF_MAX_LZW_CODE];
- FX_WORD table_cur;
+class CGifLZWEncoder {
+ public:
+ struct tag_Table {
+ FX_WORD prefix;
+ uint8_t suffix;
+ };
+ CGifLZWEncoder();
+ ~CGifLZWEncoder();
+ void Start(uint8_t code_len,
+ const uint8_t* src_buf,
+ uint8_t*& dst_buf,
+ FX_DWORD& offset);
+ FX_BOOL Encode(const uint8_t* src_buf,
+ FX_DWORD src_len,
+ uint8_t*& dst_buf,
+ FX_DWORD& dst_len,
+ FX_DWORD& offset);
+ void Finish(uint8_t*& dst_buf, FX_DWORD& dst_len, FX_DWORD& offset);
+
+ private:
+ void ClearTable();
+ FX_BOOL LookUpInTable(const uint8_t* buf,
+ FX_DWORD& offset,
+ uint8_t& bit_offset);
+ void EncodeString(FX_DWORD index,
+ uint8_t*& dst_buf,
+ FX_DWORD& dst_len,
+ FX_DWORD& offset);
+ void WriteBlock(uint8_t*& dst_buf, FX_DWORD& dst_len, FX_DWORD& offset);
+ jmp_buf jmp;
+ FX_DWORD src_offset;
+ uint8_t src_bit_offset;
+ uint8_t src_bit_cut;
+ FX_DWORD src_bit_num;
+ uint8_t code_size;
+ FX_WORD code_clear;
+ FX_WORD code_end;
+ FX_WORD index_num;
+ uint8_t bit_offset;
+ uint8_t index_bit_cur;
+ uint8_t index_buf[GIF_DATA_BLOCK];
+ uint8_t index_buf_len;
+ tag_Table code_table[GIF_MAX_LZW_CODE];
+ FX_WORD table_cur;
};
typedef struct tag_gif_decompress_struct gif_decompress_struct;
-typedef gif_decompress_struct *gif_decompress_struct_p;
-typedef gif_decompress_struct_p *gif_decompress_struct_pp;
+typedef gif_decompress_struct* gif_decompress_struct_p;
+typedef gif_decompress_struct_p* gif_decompress_struct_pp;
static int32_t s_gif_interlace_step[4] = {8, 8, 4, 2};
struct tag_gif_decompress_struct {
- jmp_buf jmpbuf;
- FX_CHAR* err_ptr;
- void (*_gif_error_fn)(gif_decompress_struct_p gif_ptr, const FX_CHAR* err_msg);
- void* context_ptr;
- int width;
- int height;
- GifPalette* global_pal_ptr;
- int32_t global_pal_num;
- uint8_t global_sort_flag;
- uint8_t global_color_resolution;
+ jmp_buf jmpbuf;
+ FX_CHAR* err_ptr;
+ void (*_gif_error_fn)(gif_decompress_struct_p gif_ptr,
+ const FX_CHAR* err_msg);
+ void* context_ptr;
+ int width;
+ int height;
+ GifPalette* global_pal_ptr;
+ int32_t global_pal_num;
+ uint8_t global_sort_flag;
+ uint8_t global_color_resolution;
- uint8_t bc_index;
- uint8_t pixel_aspect;
- CGifLZWDecoder* img_decoder_ptr;
- FX_DWORD img_row_offset;
- FX_DWORD img_row_avail_size;
- uint8_t img_pass_num;
- CFX_ArrayTemplate<GifImage*>* img_ptr_arr_ptr;
- uint8_t* (*_gif_ask_buf_for_pal_fn)(gif_decompress_struct_p gif_ptr, int32_t pal_size);
- uint8_t* next_in;
- FX_DWORD avail_in;
- int32_t decode_status;
- FX_DWORD skip_size;
- void (*_gif_record_current_position_fn)(gif_decompress_struct_p gif_ptr, FX_DWORD* cur_pos_ptr);
- void (*_gif_get_row_fn)(gif_decompress_struct_p gif_ptr, int32_t row_num, uint8_t* row_buf);
- FX_BOOL (*_gif_get_record_position_fn)(gif_decompress_struct_p gif_ptr, FX_DWORD cur_pos,
+ uint8_t bc_index;
+ uint8_t pixel_aspect;
+ CGifLZWDecoder* img_decoder_ptr;
+ FX_DWORD img_row_offset;
+ FX_DWORD img_row_avail_size;
+ uint8_t img_pass_num;
+ CFX_ArrayTemplate<GifImage*>* img_ptr_arr_ptr;
+ uint8_t* (*_gif_ask_buf_for_pal_fn)(gif_decompress_struct_p gif_ptr,
+ int32_t pal_size);
+ uint8_t* next_in;
+ FX_DWORD avail_in;
+ int32_t decode_status;
+ FX_DWORD skip_size;
+ void (*_gif_record_current_position_fn)(gif_decompress_struct_p gif_ptr,
+ FX_DWORD* cur_pos_ptr);
+ void (*_gif_get_row_fn)(gif_decompress_struct_p gif_ptr,
+ int32_t row_num,
+ uint8_t* row_buf);
+ FX_BOOL (*_gif_get_record_position_fn)(gif_decompress_struct_p gif_ptr, FX_DWORD cur_pos,
int32_t left, int32_t top, int32_t width, int32_t height,
int32_t pal_num, void* pal_ptr,
int32_t delay_time, FX_BOOL user_input,
int32_t trans_index, int32_t disposal_method, FX_BOOL interlace);
#ifdef GIF_SUPPORT_APPLICATION_EXTENSION
- uint8_t app_identify[8];
- uint8_t app_authentication[3];
- FX_DWORD app_data_size;
- uint8_t* app_data;
+ uint8_t app_identify[8];
+ uint8_t app_authentication[3];
+ FX_DWORD app_data_size;
+ uint8_t* app_data;
#endif
#ifdef GIF_SUPPORT_COMMENT_EXTENSION
- CFX_ByteString* cmt_data_ptr;
+ CFX_ByteString* cmt_data_ptr;
#endif
#ifdef GIF_SUPPORT_GRAPHIC_CONTROL_EXTENSION
- GifGCE* gce_ptr;
+ GifGCE* gce_ptr;
#endif
#ifdef GIF_SUPPORT_PLAIN_TEXT_EXTENSION
- CFX_ArrayTemplate<GifPlainText*>* pt_ptr_arr_ptr;
+ CFX_ArrayTemplate<GifPlainText*>* pt_ptr_arr_ptr;
#endif
};
typedef struct tag_gif_compress_struct gif_compress_struct;
-typedef gif_compress_struct *gif_compress_struct_p;
-typedef gif_compress_struct_p *gif_compress_struct_pp;
+typedef gif_compress_struct* gif_compress_struct_p;
+typedef gif_compress_struct_p* gif_compress_struct_pp;
struct tag_gif_compress_struct {
- const uint8_t* src_buf;
- FX_DWORD src_pitch;
- FX_DWORD src_width;
- FX_DWORD src_row;
- FX_DWORD cur_offset;
- FX_DWORD frames;
- GifHeader* header_ptr;
- GifLSD* lsd_ptr;
- GifPalette* global_pal;
- FX_WORD gpal_num;
- GifPalette* local_pal;
- FX_WORD lpal_num;
- GifImageInfo* image_info_ptr;
- CGifLZWEncoder* img_encoder_ptr;
+ const uint8_t* src_buf;
+ FX_DWORD src_pitch;
+ FX_DWORD src_width;
+ FX_DWORD src_row;
+ FX_DWORD cur_offset;
+ FX_DWORD frames;
+ GifHeader* header_ptr;
+ GifLSD* lsd_ptr;
+ GifPalette* global_pal;
+ FX_WORD gpal_num;
+ GifPalette* local_pal;
+ FX_WORD lpal_num;
+ GifImageInfo* image_info_ptr;
+ CGifLZWEncoder* img_encoder_ptr;
#ifdef GIF_SUPPORT_APPLICATION_EXTENSION
- uint8_t app_identify[8];
- uint8_t app_authentication[3];
- FX_DWORD app_data_size;
- uint8_t* app_data;
+ uint8_t app_identify[8];
+ uint8_t app_authentication[3];
+ FX_DWORD app_data_size;
+ uint8_t* app_data;
#endif
#ifdef GIF_SUPPORT_COMMENT_EXTENSION
- uint8_t* cmt_data_ptr;
- FX_DWORD cmt_data_len;
+ uint8_t* cmt_data_ptr;
+ FX_DWORD cmt_data_len;
#endif
#ifdef GIF_SUPPORT_GRAPHIC_CONTROL_EXTENSION
- GifGCE* gce_ptr;
+ GifGCE* gce_ptr;
#endif
#ifdef GIF_SUPPORT_PLAIN_TEXT_EXTENSION
- GifPTE* pte_ptr;
- const uint8_t* pte_data_ptr;
- FX_DWORD pte_data_len;
+ GifPTE* pte_ptr;
+ const uint8_t* pte_data_ptr;
+ FX_DWORD pte_data_len;
#endif
};
void _gif_error(gif_decompress_struct_p gif_ptr, const FX_CHAR* err_msg);
@@ -294,15 +309,24 @@ int32_t _gif_get_frame(gif_decompress_struct_p gif_ptr); int32_t _gif_get_frame_num(gif_decompress_struct_p gif_ptr);
int32_t _gif_decode_extension(gif_decompress_struct_p gif_ptr);
int32_t _gif_decode_image_info(gif_decompress_struct_p gif_ptr);
-void _gif_takeover_gce_ptr(gif_decompress_struct_p gif_ptr, GifGCE** gce_ptr_ptr);
+void _gif_takeover_gce_ptr(gif_decompress_struct_p gif_ptr,
+ GifGCE** gce_ptr_ptr);
int32_t _gif_load_frame(gif_decompress_struct_p gif_ptr, int32_t frame_num);
-uint8_t* _gif_read_data(gif_decompress_struct_p gif_ptr, uint8_t** des_buf_pp, FX_DWORD data_size);
+uint8_t* _gif_read_data(gif_decompress_struct_p gif_ptr,
+ uint8_t** des_buf_pp,
+ FX_DWORD data_size);
void _gif_save_decoding_status(gif_decompress_struct_p gif_ptr, int32_t status);
-void _gif_input_buffer(gif_decompress_struct_p gif_ptr, uint8_t* src_buf, FX_DWORD src_size);
-FX_DWORD _gif_get_avail_input(gif_decompress_struct_p gif_ptr, uint8_t** avial_buf_ptr);
+void _gif_input_buffer(gif_decompress_struct_p gif_ptr,
+ uint8_t* src_buf,
+ FX_DWORD src_size);
+FX_DWORD _gif_get_avail_input(gif_decompress_struct_p gif_ptr,
+ uint8_t** avial_buf_ptr);
void interlace_buf(const uint8_t* buf, FX_DWORD width, FX_DWORD height);
-FX_BOOL _gif_encode( gif_compress_struct_p gif_ptr, uint8_t*& dst_buf, FX_DWORD& dst_len );
-#define GIF_PTR_NOT_NULL(ptr,gif_ptr) if(ptr == NULL){ \
- _gif_error(gif_ptr,"Out Of Memory");\
- return 0; \
- }
+FX_BOOL _gif_encode(gif_compress_struct_p gif_ptr,
+ uint8_t*& dst_buf,
+ FX_DWORD& dst_len);
+#define GIF_PTR_NOT_NULL(ptr, gif_ptr) \
+ if (ptr == NULL) { \
+ _gif_error(gif_ptr, "Out Of Memory"); \
+ return 0; \
+ }
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