From b048f791a15f2da781a01eba5b09eb9d389f9c11 Mon Sep 17 00:00:00 2001 From: Nico Weber Date: Tue, 4 Aug 2015 12:19:10 -0700 Subject: clang-format all pdfium code. No behavior change. Generated by: find . -name '*.cpp' -o -name '*.h' | \ grep -E -v 'third_party|thirdparties|lpng_v163' | \ xargs ../../buildtools/mac/clang-format -i See thread "tabs vs spaces" on pdfium@googlegroups.com for discussion. BUG=none R=tsepez@chromium.org Review URL: https://codereview.chromium.org/1265503005 . --- core/src/fxcodec/codec/codec_int.h | 539 ++-- core/src/fxcodec/codec/fx_codec.cpp | 725 +++-- core/src/fxcodec/codec/fx_codec_fax.cpp | 1660 +++++------ core/src/fxcodec/codec/fx_codec_flate.cpp | 1813 ++++++------ core/src/fxcodec/codec/fx_codec_icc.cpp | 3220 +++++++++++++--------- core/src/fxcodec/codec/fx_codec_jbig.cpp | 371 +-- core/src/fxcodec/codec/fx_codec_jbig_enc.cpp | 5 +- core/src/fxcodec/codec/fx_codec_jpeg.cpp | 1249 +++++---- core/src/fxcodec/codec/fx_codec_jpx_opj.cpp | 1552 ++++++----- core/src/fxcodec/codec/fx_codec_jpx_unittest.cpp | 748 +++-- 10 files changed, 6277 insertions(+), 5605 deletions(-) (limited to 'core/src/fxcodec/codec') diff --git a/core/src/fxcodec/codec/codec_int.h b/core/src/fxcodec/codec/codec_int.h index 7668f84a20..e9449693dd 100644 --- a/core/src/fxcodec/codec/codec_int.h +++ b/core/src/fxcodec/codec/codec_int.h @@ -14,286 +14,359 @@ #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); - 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); + 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_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 CPDF_Jbig2Interface : public CJBig2_Module -{ -public: - virtual void *JBig2_Malloc(FX_DWORD dwSize) - { - return FX_Alloc(uint8_t, dwSize); +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_Malloc2(FX_DWORD num, FX_DWORD dwSize) - { - if (dwSize && num >= UINT_MAX / dwSize) { - return NULL; - } - return FX_Alloc(uint8_t, num * 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_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); - } - 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); + 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 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 m_SymbolDictCache; + + private: }; 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 9bbcce105f..806cac1bc3 100644 --- a/core/src/fxcodec/codec/fx_codec.cpp +++ b/core/src/fxcodec/codec/fx_codec.cpp @@ -7,405 +7,402 @@ #include "../../../include/fxcodec/fx_codec.h" #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_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) {} +CCodec_ScanlineDecoder::CCodec_ScanlineDecoder() { + m_NextLine = -1; + m_pDataCache = NULL; + m_pLastScanline = NULL; } -CCodec_ScanlineDecoder::CCodec_ScanlineDecoder() -{ - m_NextLine = -1; - m_pDataCache = NULL; - m_pLastScanline = NULL; +CCodec_ScanlineDecoder::~CCodec_ScanlineDecoder() { + if (m_pDataCache) { + FX_Free(m_pDataCache); + } } -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++; + return m_pLastScanline; } -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 ++; - } +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 ++; - 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; - } + m_NextLine++; + if (pPause && pPause->NeedToPauseNow()) { + return TRUE; } - return FALSE; + } + 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; +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; +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; } - m_pDataCache->m_Height = m_OutputHeight; - m_pDataCache->m_Width = m_OutputWidth; - m_pDataCache->m_nCachedLines = 0; + 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; +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; +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; } - 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; \ - } \ + 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; } - 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 (!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; + } +#undef EXPONENT_DETECT + break; } - while(fra_count--) { - fra_base *= 10; + if (ptr != nptr && !e_number) { + if (endptr) { + *endptr = (char*)nptr; + } + break; } - ret += (double)fra_ret / (double)fra_base; - if(exp_sig == 1) { - while(exp_ret--) { - ret *= 10.0; - } - } else { - while(exp_ret--) { - ret /= 10.0; - } + 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; + } + 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; +FX_BOOL CCodec_BasicModule::A85Encode(const uint8_t* src_buf, + FX_DWORD src_size, + uint8_t*& dest_buf, + FX_DWORD& dest_size) { + return FALSE; } -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); +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; } - 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; + 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; }; 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); - } + : 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) { +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; } - return TRUE; + } + 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::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; +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; - } +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) { - 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; - } + } + 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; + } + 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::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; +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; } - 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; + m_Operator -= used_bytes; + m_SrcOffset += used_bytes; + if (m_SrcOffset >= m_SrcSize) { + m_Operator = 128; } - count -= used_bytes; - m_Operator = 257 - count; + 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; +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_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 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 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 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 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 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 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_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 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 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 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 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, 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28, 74, 54, 21, 65, 47, 13, 54, 38, 0, 44, 28, + 0, 32, 16, 0, 18, 1, 0, 1, 0, 0, 0, 0, 30, 67, 155, + 20, 58, 139, 20, 49, 126, 12, 39, 110, 0, 27, 94, 0, 13, 77, + 0, 0, 60, 0, 0, 37, 0, 0, 0, 35, 67, 142, 30, 58, 126, + 23, 50, 114, 16, 40, 99, 7, 29, 85, 0, 15, 69, 0, 0, 52, + 0, 0, 30, 0, 0, 0, 35, 68, 131, 30, 59, 116, 27, 50, 104, + 18, 40, 90, 9, 29, 76, 0, 17, 62, 0, 2, 46, 0, 0, 24, + 0, 0, 0, 37, 69, 119, 33, 59, 106, 27, 51, 94, 21, 41, 80, + 9, 30, 67, 0, 18, 54, 0, 3, 39, 0, 0, 18, 0, 0, 0, + 40, 69, 107, 36, 59, 94, 28, 51, 84, 18, 41, 72, 10, 31, 60, + 0, 19, 47, 0, 4, 32, 0, 0, 10, 0, 0, 0, 42, 69, 95, + 36, 59, 84, 29, 51, 74, 19, 41, 63, 10, 31, 52, 0, 20, 39, + 0, 4, 25, 0, 0, 4, 0, 0, 0, 43, 69, 83, 38, 60, 73, + 32, 51, 62, 23, 42, 53, 11, 31, 42, 0, 20, 31, 0, 5, 17, + 0, 0, 1, 0, 0, 0, 45, 69, 70, 39, 60, 60, 33, 51, 52, + 24, 42, 43, 13, 32, 33, 0, 21, 21, 0, 5, 6, 0, 0, 0, + 0, 0, 0, 47, 69, 59, 41, 60, 51, 34, 51, 43, 24, 42, 35, + 12, 33, 26, 1, 22, 14, 0, 5, 1, 0, 0, 0, 0, 0, 0, + 46, 48, 146, 42, 40, 131, 36, 32, 118, 27, 22, 103, 17, 6, 88, + 5, 0, 73, 0, 0, 55, 0, 0, 33, 0, 0, 0, 48, 48, 133, + 44, 40, 119, 37, 32, 107, 28, 22, 93, 20, 8, 79, 7, 0, 65, + 0, 0, 49, 0, 0, 27, 0, 0, 0, 48, 50, 123, 44, 41, 109, + 37, 33, 97, 30, 23, 83, 21, 11, 71, 8, 0, 58, 0, 0, 42, + 0, 0, 21, 0, 0, 0, 49, 51, 111, 45, 42, 99, 38, 34, 87, + 29, 25, 75, 20, 13, 63, 8, 0, 51, 0, 0, 36, 0, 0, 14, + 0, 0, 0, 52, 52, 100, 44, 43, 89, 38, 35, 79, 29, 26, 68, + 19, 15, 56, 10, 1, 43, 0, 0, 28, 0, 0, 6, 0, 0, 0, + 52, 52, 90, 47, 44, 79, 39, 36, 70, 30, 27, 59, 20, 16, 47, + 9, 2, 36, 0, 0, 22, 0, 0, 2, 0, 0, 0, 52, 53, 78, + 46, 44, 68, 39, 37, 60, 32, 27, 49, 22, 17, 39, 10, 3, 28, + 0, 0, 12, 0, 0, 0, 0, 0, 0, 53, 53, 66, 47, 44, 57, + 40, 36, 48, 32, 27, 39, 22, 18, 30, 9, 4, 18, 0, 0, 3, + 0, 0, 0, 0, 0, 0, 54, 53, 57, 48, 45, 49, 41, 37, 41, + 33, 28, 32, 22, 19, 23, 11, 6, 10, 1, 0, 0, 0, 0, 0, + 0, 0, 0, }; -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_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 6839d31509..681678c264 100644 --- a/core/src/fxcodec/codec/fx_codec_jpeg.cpp +++ b/core/src/fxcodec/codec/fx_codec_jpeg.cpp @@ -17,664 +17,695 @@ 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 _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; +#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 _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(pSource->GetWidth()); - FX_DWORD height = pdfium::base::checked_cast(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(pSource->GetWidth()); + FX_DWORD height = pdfium::base::checked_cast(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; -} -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; - } + } + 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 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; -} -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; + 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; }; -CCodec_JpegDecoder::CCodec_JpegDecoder() -{ - m_pScanlineBuf = NULL; - m_DownScale = 1; - m_bStarted = FALSE; +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); + } +} +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; - 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); - } + 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::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; +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; - } - return m_pScanlineBuf; +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; } -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) -{ - if (m_pExtProvider) { - return m_pExtProvider->ReadHeader(pContext, width, height, nComps); - } - 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; +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) { + if (m_pExtProvider) { + return m_pExtProvider->ReadHeader(pContext, width, height, nComps); + } + 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; + 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(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(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(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(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(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::type once c++11 lib is OK'd. - uint64_t unsignedNbBytes = static_cast(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::max() - srcData->offset) { - srcData->offset = srcData->src_size; - } else { - OPJ_SIZE_T checkedNbBytes = static_cast(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(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::type once c++11 lib is OK'd. + uint64_t unsignedNbBytes = static_cast(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::max() - srcData->offset) { + srcData->offset = srcData->src_size; + } else { + OPJ_SIZE_T checkedNbBytes = static_cast(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(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::type once c++11 lib is OK'd. - uint64_t unsignedNbBytes = static_cast(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::max()) { - srcData->offset = srcData->src_size; - } else { - OPJ_SIZE_T checkedNbBytes = static_cast(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(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::type once c++11 lib is OK'd. + uint64_t unsignedNbBytes = static_cast(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::max()) { + srcData->offset = srcData->src_size; + } else { + OPJ_SIZE_T checkedNbBytes = static_cast(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(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(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 3e16bd0aa7..3add606509 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(kWriteError, opj_write_from_memory(buffer, 0, &dd)); + // writes of size 0 do nothing but return an error code. + EXPECT_EQ(kWriteError, opj_write_from_memory(buffer, 0, &dd)); - // writes of nonzero size do nothing but return an error code. - EXPECT_EQ(kWriteError, opj_write_from_memory(buffer, sizeof(buffer), &dd)); + // writes of nonzero size do nothing but return an error code. + EXPECT_EQ(kWriteError, opj_write_from_memory(buffer, sizeof(buffer), &dd)); - // Skips of size 0 always return an error code. - EXPECT_EQ(kSkipError, opj_skip_from_memory(0, &dd)); + // Skips of size 0 always return an error code. + EXPECT_EQ(kSkipError, opj_skip_from_memory(0, &dd)); - // Skips of nonzero size always return an error code. - EXPECT_EQ(kSkipError, opj_skip_from_memory(1, &dd)); + // Skips of nonzero size always return an error code. + EXPECT_EQ(kSkipError, 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(kWriteError, opj_write_from_memory(buffer, 0, &dd)); + // writes of size 0 do nothing but return an error code. + EXPECT_EQ(kWriteError, opj_write_from_memory(buffer, 0, &dd)); - // writes of nonzero size do nothing but return an error code. - EXPECT_EQ(kWriteError, opj_write_from_memory(buffer, sizeof(buffer), &dd)); + // writes of nonzero size do nothing but return an error code. + EXPECT_EQ(kWriteError, opj_write_from_memory(buffer, sizeof(buffer), &dd)); - // Skips of size 0 always return an error code. - EXPECT_EQ(kSkipError, opj_skip_from_memory(0, &dd)); + // Skips of size 0 always return an error code. + EXPECT_EQ(kSkipError, opj_skip_from_memory(0, &dd)); - // Skips of nonzero size always return an error code. - EXPECT_EQ(kSkipError, opj_skip_from_memory(1, &dd)); + // Skips of nonzero size always return an error code. + EXPECT_EQ(kSkipError, 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::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::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::max(), opj_skip_from_memory( - std::numeric_limits::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::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::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::max(), + opj_skip_from_memory(std::numeric_limits::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::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::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::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::max(), &dd)); + EXPECT_EQ(kReadError, opj_read_from_memory(buffer, 1, &dd)); + EXPECT_EQ(0xbd, buffer[0]); } -- cgit v1.2.3