| // 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_INCLUDE_FXCODEC_FX_CODEC_H_ |
| #define CORE_INCLUDE_FXCODEC_FX_CODEC_H_ |
| |
| #include "../../../third_party/base/nonstd_unique_ptr.h" |
| #include "../fxcrt/fx_basic.h" |
| #include "fx_codec_def.h" |
| #include "fx_codec_provider.h" |
| |
| class CFX_DIBSource; |
| class ICodec_ScanlineDecoder; |
| class ICodec_BasicModule; |
| class ICodec_FaxModule; |
| class ICodec_JpegModule; |
| class ICodec_JpxModule; |
| class ICodec_Jbig2Module; |
| class ICodec_IccModule; |
| class ICodec_FlateModule; |
| class ICodec_Jbig2Encoder; |
| class ICodec_ScanlineDecoder; |
| |
| class CCodec_ModuleMgr |
| { |
| public: |
| CCodec_ModuleMgr(); |
| ICodec_Jbig2Encoder* CreateJbig2Encoder(); |
| 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(); } |
| |
| protected: |
| nonstd::unique_ptr<ICodec_BasicModule> m_pBasicModule; |
| nonstd::unique_ptr<ICodec_FaxModule> m_pFaxModule; |
| nonstd::unique_ptr<ICodec_JpegModule> m_pJpegModule; |
| nonstd::unique_ptr<ICodec_JpxModule> m_pJpxModule; |
| nonstd::unique_ptr<ICodec_Jbig2Module> m_pJbig2Module; |
| nonstd::unique_ptr<ICodec_IccModule> m_pIccModule; |
| nonstd::unique_ptr<ICodec_FlateModule> m_pFlateModule; |
| }; |
| class ICodec_BasicModule |
| { |
| public: |
| |
| virtual ~ICodec_BasicModule() {} |
| virtual FX_BOOL RunLengthEncode(const uint8_t* src_buf, FX_DWORD src_size, uint8_t*& dest_buf, |
| FX_DWORD& dest_size) = 0; |
| virtual FX_BOOL A85Encode(const uint8_t* src_buf, FX_DWORD src_size, uint8_t*& dest_buf, |
| FX_DWORD& dest_size) = 0; |
| virtual ICodec_ScanlineDecoder* CreateRunLengthDecoder(const uint8_t* src_buf, FX_DWORD src_size, int width, int height, |
| int nComps, int bpc) = 0; |
| }; |
| class ICodec_ScanlineDecoder |
| { |
| public: |
| |
| virtual ~ICodec_ScanlineDecoder() {} |
| |
| virtual FX_DWORD GetSrcOffset() = 0; |
| |
| virtual void DownScale(int dest_width, int dest_height) = 0; |
| |
| virtual 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; |
| |
| virtual FX_BOOL IsColorTransformed() = 0; |
| |
| virtual void ClearImageData() = 0; |
| }; |
| class ICodec_FlateModule |
| { |
| public: |
| |
| virtual ~ICodec_FlateModule() {} |
| 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) = 0; |
| 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) = 0; |
| 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) = 0; |
| virtual FX_BOOL Encode(const uint8_t* src_buf, FX_DWORD src_size, uint8_t*& dest_buf, FX_DWORD& dest_size) = 0; |
| }; |
| class ICodec_FaxModule |
| { |
| public: |
| |
| virtual ~ICodec_FaxModule() {} |
| |
| 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) = 0; |
| |
| |
| virtual FX_BOOL Encode(const uint8_t* src_buf, int width, int height, int pitch, |
| uint8_t*& dest_buf, FX_DWORD& dest_size) = 0; |
| }; |
| class ICodec_JpegModule |
| { |
| public: |
| |
| virtual ~ICodec_JpegModule() {} |
| |
| virtual void SetPovider(IFX_JpegProvider* pJP) = 0; |
| |
| virtual ICodec_ScanlineDecoder* CreateDecoder(const uint8_t* src_buf, FX_DWORD src_size, |
| int width, int height, int nComps, FX_BOOL ColorTransform) = 0; |
| |
| virtual 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 = NULL, FX_DWORD* 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, FX_DWORD icc_length = 0) = 0; |
| |
| virtual void* Start() = 0; |
| |
| virtual void Finish(void* pContext) = 0; |
| |
| virtual void Input(void* pContext, const uint8_t* src_buf, FX_DWORD src_size) = 0; |
| |
| virtual int ReadHeader(void* pContext, int* width, int* height, int* nComps) = 0; |
| |
| |
| virtual int StartScanline(void* pContext, int down_scale) = 0; |
| |
| |
| virtual FX_BOOL ReadScanline(void* pContext, uint8_t* dest_buf) = 0; |
| |
| |
| virtual FX_DWORD GetAvailInput(void* pContext, uint8_t** avail_buf_ptr = NULL) = 0; |
| }; |
| class ICodec_JpxModule |
| { |
| public: |
| |
| virtual ~ICodec_JpxModule() {} |
| |
| virtual void* CreateDecoder(const uint8_t* src_buf, FX_DWORD src_size, FX_BOOL useColorSpace = FALSE) = 0; |
| |
| virtual void GetImageInfo(void* ctx, FX_DWORD& width, FX_DWORD& height, |
| FX_DWORD& codestream_nComps, FX_DWORD& output_nComps) = 0; |
| |
| virtual FX_BOOL Decode(void* ctx, uint8_t* dest_data, int pitch, |
| FX_BOOL bTranslateColor, uint8_t* offsets) = 0; |
| |
| virtual void DestroyDecoder(void* ctx) = 0; |
| }; |
| class ICodec_Jbig2Module |
| { |
| public: |
| |
| virtual ~ICodec_Jbig2Module() {} |
| |
| virtual 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) = 0; |
| |
| virtual FX_BOOL Decode(IFX_FileRead* file_ptr, FX_DWORD& width, FX_DWORD& height, |
| FX_DWORD& pitch, uint8_t*& dest_buf) = 0; |
| virtual void* CreateJbig2Context() = 0; |
| |
| virtual 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) = 0; |
| |
| virtual 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) = 0; |
| virtual FXCODEC_STATUS ContinueDecode(void* pJbig2Content, IFX_Pause* pPause) = 0; |
| virtual void DestroyJbig2Context(void* pJbig2Content) = 0; |
| }; |
| class ICodec_Jbig2Encoder |
| { |
| public: |
| |
| virtual ~ICodec_Jbig2Encoder() {} |
| }; |
| class ICodec_IccModule |
| { |
| public: |
| typedef enum { |
| 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 |
| } IccCS; |
| typedef struct _IccParam { |
| FX_DWORD Version; |
| IccCS ColorSpace; |
| FX_DWORD dwProfileType; |
| FX_DWORD dwFormat; |
| uint8_t* pProfileData; |
| FX_DWORD dwProfileSize; |
| double Gamma; |
| } IccParam; |
| |
| 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, |
| 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 |
| ) = 0; |
| |
| |
| virtual void* CreateTransform_sRGB(const uint8_t* pProfileData, FX_DWORD dwProfileSize, int32_t& nComponents, int32_t intent = 0, |
| FX_DWORD dwSrcFormat = Icc_FORMAT_DEFAULT) = 0; |
| |
| 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 |
| ) = 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(FX_DWORD nComponents) = 0; |
| }; |
| 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, FX_DWORD dwSize, uint8_t ID[16]); |
| |
| #endif // CORE_INCLUDE_FXCODEC_FX_CODEC_H_ |