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Diffstat (limited to 'core/fxcodec/include/fx_codec.h')
| -rw-r--r-- | core/fxcodec/include/fx_codec.h | 560 |
1 files changed, 560 insertions, 0 deletions
diff --git a/core/fxcodec/include/fx_codec.h b/core/fxcodec/include/fx_codec.h new file mode 100644 index 0000000000..1c3922ee4f --- /dev/null +++ b/core/fxcodec/include/fx_codec.h @@ -0,0 +1,560 @@ +// Copyright 2014 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#ifndef CORE_FXCODEC_INCLUDE_FX_CODEC_H_ +#define CORE_FXCODEC_INCLUDE_FX_CODEC_H_ + +#include <map> +#include <memory> +#include <vector> + +#include "core/fxcrt/include/fx_basic.h" +#include "core/fxcrt/include/fx_coordinates.h" // For FX_RECT. +#include "core/fxcodec/include/fx_codec_def.h" + +class CFX_DIBSource; +class CJPX_Decoder; +class CPDF_ColorSpace; +class CPDF_StreamAcc; +class ICodec_BasicModule; +class ICodec_FaxModule; +class ICodec_FlateModule; +class ICodec_IccModule; +class ICodec_Jbig2Encoder; +class ICodec_Jbig2Module; +class ICodec_JpegModule; +class ICodec_JpxModule; +class ICodec_ScanlineDecoder; + +#ifdef PDF_ENABLE_XFA +class ICodec_BmpModule; +class ICodec_GifModule; +class ICodec_PngModule; +class ICodec_ProgressiveDecoder; +class ICodec_TiffModule; +#endif // PDF_ENABLE_XFA + +#ifdef PDF_ENABLE_XFA +class CFX_DIBAttribute { + public: + CFX_DIBAttribute(); + ~CFX_DIBAttribute(); + + int32_t m_nXDPI; + int32_t m_nYDPI; + FX_FLOAT m_fAspectRatio; + uint16_t m_wDPIUnit; + CFX_ByteString m_strAuthor; + uint8_t m_strTime[20]; + int32_t m_nGifLeft; + int32_t m_nGifTop; + uint32_t* m_pGifLocalPalette; + uint32_t m_nGifLocalPalNum; + int32_t m_nBmpCompressType; + std::map<uint32_t, void*> m_Exif; +}; +#endif // PDF_ENABLE_XFA + +class CCodec_ModuleMgr { + public: + CCodec_ModuleMgr(); + + ICodec_BasicModule* GetBasicModule() const { return m_pBasicModule.get(); } + ICodec_FaxModule* GetFaxModule() const { return m_pFaxModule.get(); } + ICodec_JpegModule* GetJpegModule() const { return m_pJpegModule.get(); } + ICodec_JpxModule* GetJpxModule() const { return m_pJpxModule.get(); } + ICodec_Jbig2Module* GetJbig2Module() const { return m_pJbig2Module.get(); } + ICodec_IccModule* GetIccModule() const { return m_pIccModule.get(); } + ICodec_FlateModule* GetFlateModule() const { return m_pFlateModule.get(); } + +#ifdef PDF_ENABLE_XFA + ICodec_ProgressiveDecoder* CreateProgressiveDecoder(); + ICodec_PngModule* GetPngModule() const { return m_pPngModule.get(); } + ICodec_GifModule* GetGifModule() const { return m_pGifModule.get(); } + ICodec_BmpModule* GetBmpModule() const { return m_pBmpModule.get(); } + ICodec_TiffModule* GetTiffModule() const { return m_pTiffModule.get(); } +#endif // PDF_ENABLE_XFA + + protected: + std::unique_ptr<ICodec_BasicModule> m_pBasicModule; + std::unique_ptr<ICodec_FaxModule> m_pFaxModule; + std::unique_ptr<ICodec_JpegModule> m_pJpegModule; + std::unique_ptr<ICodec_JpxModule> m_pJpxModule; + std::unique_ptr<ICodec_Jbig2Module> m_pJbig2Module; + std::unique_ptr<ICodec_IccModule> m_pIccModule; +#ifdef PDF_ENABLE_XFA + std::unique_ptr<ICodec_PngModule> m_pPngModule; + std::unique_ptr<ICodec_GifModule> m_pGifModule; + std::unique_ptr<ICodec_BmpModule> m_pBmpModule; + std::unique_ptr<ICodec_TiffModule> m_pTiffModule; +#endif // PDF_ENABLE_XFA + std::unique_ptr<ICodec_FlateModule> m_pFlateModule; +}; +class ICodec_BasicModule { + public: + virtual ~ICodec_BasicModule() {} + virtual FX_BOOL RunLengthEncode(const uint8_t* src_buf, + uint32_t src_size, + uint8_t*& dest_buf, + uint32_t& dest_size) = 0; + virtual FX_BOOL A85Encode(const uint8_t* src_buf, + uint32_t src_size, + uint8_t*& dest_buf, + uint32_t& dest_size) = 0; + virtual ICodec_ScanlineDecoder* CreateRunLengthDecoder(const uint8_t* src_buf, + uint32_t src_size, + int width, + int height, + int nComps, + int bpc) = 0; +}; + +class ICodec_ScanlineDecoder { + public: + virtual ~ICodec_ScanlineDecoder() {} + + virtual uint32_t GetSrcOffset() = 0; + + virtual const uint8_t* GetScanline(int line) = 0; + + virtual FX_BOOL SkipToScanline(int line, IFX_Pause* pPause) = 0; + + virtual int GetWidth() = 0; + + virtual int GetHeight() = 0; + + virtual int CountComps() = 0; + + virtual int GetBPC() = 0; +}; + +class ICodec_FlateModule { + public: + virtual ~ICodec_FlateModule() {} + virtual ICodec_ScanlineDecoder* CreateDecoder(const uint8_t* src_buf, + uint32_t src_size, + int width, + int height, + int nComps, + int bpc, + int predictor, + int Colors, + int BitsPerComponent, + int Columns) = 0; + virtual uint32_t FlateOrLZWDecode(FX_BOOL bLZW, + const uint8_t* src_buf, + uint32_t src_size, + FX_BOOL bEarlyChange, + int predictor, + int Colors, + int BitsPerComponent, + int Columns, + uint32_t estimated_size, + uint8_t*& dest_buf, + uint32_t& dest_size) = 0; + virtual FX_BOOL Encode(const uint8_t* src_buf, + uint32_t src_size, + int predictor, + int Colors, + int BitsPerComponent, + int Columns, + uint8_t*& dest_buf, + uint32_t& dest_size) = 0; + virtual FX_BOOL Encode(const uint8_t* src_buf, + uint32_t src_size, + uint8_t*& dest_buf, + uint32_t& dest_size) = 0; +}; +class ICodec_FaxModule { + public: + virtual ~ICodec_FaxModule() {} + + virtual ICodec_ScanlineDecoder* CreateDecoder(const uint8_t* src_buf, + uint32_t src_size, + int width, + int height, + int K, + FX_BOOL EndOfLine, + FX_BOOL EncodedByteAlign, + FX_BOOL BlackIs1, + int Columns, + int Rows) = 0; + + virtual FX_BOOL Encode(const uint8_t* src_buf, + int width, + int height, + int pitch, + uint8_t*& dest_buf, + uint32_t& dest_size) = 0; +}; +class ICodec_JpegModule { + public: + virtual ~ICodec_JpegModule() {} + + virtual ICodec_ScanlineDecoder* CreateDecoder(const uint8_t* src_buf, + uint32_t src_size, + int width, + int height, + int nComps, + FX_BOOL ColorTransform) = 0; + + virtual FX_BOOL LoadInfo(const uint8_t* src_buf, + uint32_t src_size, + int& width, + int& height, + int& num_components, + int& bits_per_components, + FX_BOOL& color_transform, + uint8_t** icc_buf_ptr = NULL, + uint32_t* icc_length = NULL) = 0; + + virtual FX_BOOL Encode(const class CFX_DIBSource* pSource, + uint8_t*& dest_buf, + FX_STRSIZE& dest_size, + int quality = 75, + const uint8_t* icc_buf = NULL, + uint32_t icc_length = 0) = 0; + + virtual void* Start() = 0; + + virtual void Finish(void* pContext) = 0; + + virtual void Input(void* pContext, + const uint8_t* src_buf, + uint32_t src_size) = 0; + +#ifdef PDF_ENABLE_XFA + virtual int ReadHeader(void* pContext, + int* width, + int* height, + int* nComps, + CFX_DIBAttribute* pAttribute) = 0; +#else // PDF_ENABLE_XFA + virtual int ReadHeader(void* pContext, + int* width, + int* height, + int* nComps) = 0; +#endif // PDF_ENABLE_XFA + + virtual int StartScanline(void* pContext, int down_scale) = 0; + + virtual FX_BOOL ReadScanline(void* pContext, uint8_t* dest_buf) = 0; + + virtual uint32_t GetAvailInput(void* pContext, + uint8_t** avail_buf_ptr = NULL) = 0; +}; + +class ICodec_JpxModule { + public: + virtual ~ICodec_JpxModule() {} + + virtual CJPX_Decoder* CreateDecoder(const uint8_t* src_buf, + uint32_t src_size, + CPDF_ColorSpace* cs) = 0; + + virtual void GetImageInfo(CJPX_Decoder* pDecoder, + uint32_t* width, + uint32_t* height, + uint32_t* components) = 0; + + virtual bool Decode(CJPX_Decoder* pDecoder, + uint8_t* dest_data, + int pitch, + const std::vector<uint8_t>& offsets) = 0; + + virtual void DestroyDecoder(CJPX_Decoder* pDecoder) = 0; +}; +#ifdef PDF_ENABLE_XFA +class ICodec_PngModule { + public: + virtual ~ICodec_PngModule() {} + + virtual void* Start(void* pModule) = 0; + + virtual void Finish(void* pContext) = 0; + + virtual FX_BOOL Input(void* pContext, + const uint8_t* src_buf, + uint32_t src_size, + CFX_DIBAttribute* pAttribute) = 0; + + FX_BOOL (*ReadHeaderCallback)(void* pModule, + int width, + int height, + int bpc, + int pass, + int* color_type, + double* gamma); + + FX_BOOL (*AskScanlineBufCallback)(void* pModule, int line, uint8_t*& src_buf); + + void (*FillScanlineBufCompletedCallback)(void* pModule, int pass, int line); +}; +class ICodec_GifModule { + public: + virtual ~ICodec_GifModule() {} + + virtual void* Start(void* pModule) = 0; + + virtual void Finish(void* pContext) = 0; + + virtual uint32_t GetAvailInput(void* pContext, + uint8_t** avail_buf_ptr = NULL) = 0; + + virtual void Input(void* pContext, + const uint8_t* src_buf, + uint32_t src_size) = 0; + + virtual int32_t ReadHeader(void* pContext, + int* width, + int* height, + int* pal_num, + void** pal_pp, + int* bg_index, + CFX_DIBAttribute* pAttribute) = 0; + + virtual int32_t LoadFrameInfo(void* pContext, int* frame_num) = 0; + + void (*RecordCurrentPositionCallback)(void* pModule, uint32_t& cur_pos); + + uint8_t* (*AskLocalPaletteBufCallback)(void* pModule, + int32_t frame_num, + int32_t pal_size); + + virtual int32_t LoadFrame(void* pContext, + int frame_num, + CFX_DIBAttribute* pAttribute) = 0; + + FX_BOOL (*InputRecordPositionBufCallback)(void* pModule, + uint32_t rcd_pos, + const FX_RECT& img_rc, + int32_t pal_num, + void* pal_ptr, + int32_t delay_time, + FX_BOOL user_input, + int32_t trans_index, + int32_t disposal_method, + FX_BOOL interlace); + + void (*ReadScanlineCallback)(void* pModule, + int32_t row_num, + uint8_t* row_buf); +}; +class ICodec_BmpModule { + public: + virtual ~ICodec_BmpModule() {} + + virtual void* Start(void* pModule) = 0; + + virtual void Finish(void* pContext) = 0; + + virtual uint32_t GetAvailInput(void* pContext, + uint8_t** avail_buf_ptr = NULL) = 0; + + virtual void Input(void* pContext, + const uint8_t* src_buf, + uint32_t src_size) = 0; + + virtual int32_t ReadHeader(void* pContext, + int32_t* width, + int32_t* height, + FX_BOOL* tb_flag, + int32_t* components, + int* pal_num, + uint32_t** pal_pp, + CFX_DIBAttribute* pAttribute) = 0; + + virtual int32_t LoadImage(void* pContext) = 0; + + FX_BOOL (*InputImagePositionBufCallback)(void* pModule, uint32_t rcd_pos); + + void (*ReadScanlineCallback)(void* pModule, + int32_t row_num, + uint8_t* row_buf); +}; +class ICodec_TiffModule { + public: + virtual ~ICodec_TiffModule() {} + + virtual void* CreateDecoder(IFX_FileRead* file_ptr) = 0; + + virtual void GetFrames(void* ctx, int32_t& frames) = 0; + + virtual FX_BOOL LoadFrameInfo(void* ctx, + int32_t frame, + uint32_t& width, + uint32_t& height, + uint32_t& comps, + uint32_t& bpc, + CFX_DIBAttribute* pAttribute) = 0; + + virtual FX_BOOL Decode(void* ctx, class CFX_DIBitmap* pDIBitmap) = 0; + + virtual void DestroyDecoder(void* ctx) = 0; +}; +#endif + +class ICodec_Jbig2Module { + public: + virtual ~ICodec_Jbig2Module() {} + + virtual void* CreateJbig2Context() = 0; + + virtual FXCODEC_STATUS StartDecode(void* pJbig2Context, + CFX_PrivateData* pPrivateData, + uint32_t width, + uint32_t height, + CPDF_StreamAcc* src_stream, + CPDF_StreamAcc* global_stream, + uint8_t* dest_buf, + uint32_t dest_pitch, + IFX_Pause* pPause) = 0; + + virtual FXCODEC_STATUS ContinueDecode(void* pJbig2Content, + IFX_Pause* pPause) = 0; + virtual void DestroyJbig2Context(void* pJbig2Content) = 0; +}; +#ifdef PDF_ENABLE_XFA +class ICodec_ProgressiveDecoder { + public: + virtual ~ICodec_ProgressiveDecoder() {} + + virtual FXCODEC_STATUS LoadImageInfo(IFX_FileRead* pFile, + FXCODEC_IMAGE_TYPE imageType, + CFX_DIBAttribute* pAttribute) = 0; + + virtual FXCODEC_IMAGE_TYPE GetType() const = 0; + virtual int32_t GetWidth() const = 0; + virtual int32_t GetHeight() const = 0; + virtual int32_t GetNumComponents() const = 0; + virtual int32_t GetBPC() const = 0; + + virtual void SetClipBox(FX_RECT* clip) = 0; + + virtual FXCODEC_STATUS GetFrames(int32_t& frames, + IFX_Pause* pPause = NULL) = 0; + + virtual FXCODEC_STATUS StartDecode(class CFX_DIBitmap* pDIBitmap, + int32_t start_x, + int32_t start_y, + int32_t size_x, + int32_t size_y, + int32_t frames = 0, + FX_BOOL bInterpol = TRUE) = 0; + + virtual FXCODEC_STATUS ContinueDecode(IFX_Pause* pPause = NULL) = 0; +}; +#endif // PDF_ENABLE_XFA +class ICodec_Jbig2Encoder { + public: + virtual ~ICodec_Jbig2Encoder() {} +}; + +class ICodec_IccModule { + public: + enum IccCS { + IccCS_Unknown = 0, + IccCS_XYZ, + IccCS_Lab, + IccCS_Luv, + IccCS_YCbCr, + IccCS_Yxy, + IccCS_Hsv, + IccCS_Hls, + IccCS_Gray, + IccCS_Rgb, + IccCS_Cmyk, + IccCS_Cmy + }; + + struct IccParam { + uint32_t Version; + IccCS ColorSpace; + uint32_t dwProfileType; + uint32_t dwFormat; + uint8_t* pProfileData; + uint32_t dwProfileSize; + double Gamma; + }; + + virtual ~ICodec_IccModule() {} + + virtual IccCS GetProfileCS(const uint8_t* pProfileData, + unsigned int dwProfileSize) = 0; + + virtual IccCS GetProfileCS(IFX_FileRead* pFile) = 0; + + virtual void* CreateTransform( + ICodec_IccModule::IccParam* pInputParam, + ICodec_IccModule::IccParam* pOutputParam, + ICodec_IccModule::IccParam* pProofParam = NULL, + uint32_t dwIntent = Icc_INTENT_PERCEPTUAL, + uint32_t dwFlag = Icc_FLAGS_DEFAULT, + uint32_t dwPrfIntent = Icc_INTENT_ABSOLUTE_COLORIMETRIC, + uint32_t dwPrfFlag = Icc_FLAGS_SOFTPROOFING) = 0; + + virtual void* CreateTransform_sRGB( + const uint8_t* pProfileData, + uint32_t dwProfileSize, + uint32_t& nComponents, + int32_t intent = 0, + uint32_t dwSrcFormat = Icc_FORMAT_DEFAULT) = 0; + + virtual void* CreateTransform_CMYK( + const uint8_t* pSrcProfileData, + uint32_t dwSrcProfileSize, + uint32_t& nSrcComponents, + const uint8_t* pDstProfileData, + uint32_t dwDstProfileSize, + int32_t intent = 0, + uint32_t dwSrcFormat = Icc_FORMAT_DEFAULT, + uint32_t dwDstFormat = Icc_FORMAT_DEFAULT) = 0; + + virtual void DestroyTransform(void* pTransform) = 0; + + virtual void Translate(void* pTransform, + FX_FLOAT* pSrcValues, + FX_FLOAT* pDestValues) = 0; + + virtual void TranslateScanline(void* pTransform, + uint8_t* pDest, + const uint8_t* pSrc, + int pixels) = 0; + virtual void SetComponents(uint32_t nComponents) = 0; +}; + +void ReverseRGB(uint8_t* pDestBuf, const uint8_t* pSrcBuf, int pixels); +void sRGB_to_AdobeCMYK(FX_FLOAT R, + FX_FLOAT G, + FX_FLOAT B, + FX_FLOAT& c, + FX_FLOAT& m, + FX_FLOAT& y, + FX_FLOAT& k); +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); +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); +FX_BOOL MD5ComputeID(const void* buf, uint32_t dwSize, uint8_t ID[16]); +void FaxG4Decode(const uint8_t* src_buf, + uint32_t src_size, + int* pbitpos, + uint8_t* dest_buf, + int width, + int height, + int pitch); + +#endif // CORE_FXCODEC_INCLUDE_FX_CODEC_H_ |