// 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 _FX_CODEC_H_ | |
#define _FX_CODEC_H_ | |
#ifndef _FXCRT_EXTENSION_ | |
#include "../fxcrt/fx_ext.h" | |
#endif | |
#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 CFX_Object | |
{ | |
public: | |
static CCodec_ModuleMgr* Create(); | |
void Destroy(); | |
void InitJbig2Decoder(); | |
void InitJpxDecoder(); | |
void InitIccDecoder(); | |
ICodec_Jbig2Encoder* CreateJbig2Encoder(); | |
protected: | |
CCodec_ModuleMgr(); | |
~CCodec_ModuleMgr(); | |
public: | |
ICodec_BasicModule* GetBasicModule() | |
{ | |
return m_pBasicModule; | |
} | |
ICodec_FaxModule* GetFaxModule() | |
{ | |
return m_pFaxModule; | |
} | |
ICodec_JpegModule* GetJpegModule() | |
{ | |
return m_pJpegModule; | |
} | |
ICodec_JpxModule* GetJpxModule() | |
{ | |
return m_pJpxModule; | |
} | |
ICodec_Jbig2Module* GetJbig2Module() | |
{ | |
return m_pJbig2Module; | |
} | |
ICodec_IccModule* GetIccModule() | |
{ | |
return m_pIccModule; | |
} | |
ICodec_FlateModule* GetFlateModule() | |
{ | |
return m_pFlateModule; | |
} | |
protected: | |
ICodec_BasicModule* m_pBasicModule; | |
ICodec_FaxModule* m_pFaxModule; | |
ICodec_JpegModule* m_pJpegModule; | |
ICodec_JpxModule* m_pJpxModule; | |
ICodec_Jbig2Module* m_pJbig2Module; | |
ICodec_IccModule* m_pIccModule; | |
ICodec_FlateModule* m_pFlateModule; | |
}; | |
class ICodec_BasicModule : public CFX_Object | |
{ | |
public: | |
virtual ~ICodec_BasicModule() {} | |
virtual FX_BOOL RunLengthEncode(const FX_BYTE* src_buf, FX_DWORD src_size, FX_LPBYTE& dest_buf, | |
FX_DWORD& dest_size) = 0; | |
virtual FX_BOOL A85Encode(const FX_BYTE* src_buf, FX_DWORD src_size, FX_LPBYTE& dest_buf, | |
FX_DWORD& dest_size) = 0; | |
virtual ICodec_ScanlineDecoder* CreateRunLengthDecoder(FX_LPCBYTE src_buf, FX_DWORD src_size, int width, int height, | |
int nComps, int bpc) = 0; | |
}; | |
class ICodec_ScanlineDecoder : public CFX_Object | |
{ | |
public: | |
virtual ~ICodec_ScanlineDecoder() {} | |
virtual FX_DWORD GetSrcOffset() = 0; | |
virtual void DownScale(int dest_width, int dest_height) = 0; | |
virtual FX_LPBYTE 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 CFX_Object | |
{ | |
public: | |
virtual ~ICodec_FlateModule() {} | |
virtual ICodec_ScanlineDecoder* CreateDecoder(FX_LPCBYTE 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 FX_BYTE* src_buf, FX_DWORD src_size, FX_BOOL bEarlyChange, | |
int predictor, int Colors, int BitsPerComponent, int Columns, | |
FX_DWORD estimated_size, FX_LPBYTE& dest_buf, FX_DWORD& dest_size) = 0; | |
virtual FX_BOOL Encode(const FX_BYTE* src_buf, FX_DWORD src_size, | |
int predictor, int Colors, int BitsPerComponent, int Columns, | |
FX_LPBYTE& dest_buf, FX_DWORD& dest_size) = 0; | |
virtual FX_BOOL Encode(FX_LPCBYTE src_buf, FX_DWORD src_size, FX_LPBYTE& dest_buf, FX_DWORD& dest_size) = 0; | |
}; | |
class ICodec_FaxModule : public CFX_Object | |
{ | |
public: | |
virtual ~ICodec_FaxModule() {} | |
virtual ICodec_ScanlineDecoder* CreateDecoder(FX_LPCBYTE 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(FX_LPCBYTE src_buf, int width, int height, int pitch, | |
FX_LPBYTE& dest_buf, FX_DWORD& dest_size) = 0; | |
}; | |
class ICodec_JpegModule : public CFX_Object | |
{ | |
public: | |
virtual ~ICodec_JpegModule() {} | |
virtual void SetPovider(IFX_JpegProvider* pJP) = 0; | |
virtual ICodec_ScanlineDecoder* CreateDecoder(FX_LPCBYTE src_buf, FX_DWORD src_size, | |
int width, int height, int nComps, FX_BOOL ColorTransform) = 0; | |
virtual FX_BOOL LoadInfo(FX_LPCBYTE src_buf, FX_DWORD src_size, int& width, int& height, | |
int& num_components, int& bits_per_components, FX_BOOL& color_transform, | |
FX_LPBYTE* icc_buf_ptr = NULL, FX_DWORD* icc_length = NULL) = 0; | |
virtual FX_BOOL Encode(const class CFX_DIBSource* pSource, FX_LPBYTE& dest_buf, FX_STRSIZE& dest_size, int quality = 75, | |
FX_LPCBYTE icc_buf = NULL, FX_DWORD icc_length = 0) = 0; | |
virtual void* Start() = 0; | |
virtual void Finish(void* pContext) = 0; | |
virtual void Input(void* pContext, FX_LPCBYTE 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, FX_LPBYTE dest_buf) = 0; | |
virtual FX_DWORD GetAvailInput(void* pContext, FX_LPBYTE* avail_buf_ptr = NULL) = 0; | |
}; | |
class ICodec_JpxModule : public CFX_Object | |
{ | |
public: | |
virtual ~ICodec_JpxModule() {} | |
virtual FX_LPVOID CreateDecoder(FX_LPCBYTE src_buf, FX_DWORD src_size, FX_BOOL useColorSpace = FALSE) = 0; | |
virtual void GetImageInfo(FX_LPVOID ctx, FX_DWORD& width, FX_DWORD& height, | |
FX_DWORD& codestream_nComps, FX_DWORD& output_nComps) = 0; | |
virtual FX_BOOL Decode(FX_LPVOID ctx, FX_LPBYTE dest_data, int pitch, | |
FX_BOOL bTranslateColor, FX_LPBYTE offsets) = 0; | |
virtual void DestroyDecoder(FX_LPVOID ctx) = 0; | |
}; | |
class ICodec_Jbig2Module : public CFX_Object | |
{ | |
public: | |
virtual ~ICodec_Jbig2Module() {} | |
virtual FX_BOOL Decode(FX_DWORD width, FX_DWORD height, FX_LPCBYTE src_buf, FX_DWORD src_size, | |
FX_LPCBYTE global_data, FX_DWORD global_size, FX_LPBYTE dest_buf, FX_DWORD dest_pitch) = 0; | |
virtual FX_BOOL Decode(IFX_FileRead* file_ptr, FX_DWORD& width, FX_DWORD& height, | |
FX_DWORD& pitch, FX_LPBYTE& dest_buf) = 0; | |
virtual void* CreateJbig2Context() = 0; | |
virtual FXCODEC_STATUS StartDecode(void* pJbig2Context, FX_DWORD width, FX_DWORD height, FX_LPCBYTE src_buf, FX_DWORD src_size, | |
FX_LPCBYTE global_data, FX_DWORD global_size, FX_LPBYTE 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, FX_LPBYTE& 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 CFX_Object | |
{ | |
public: | |
virtual ~ICodec_Jbig2Encoder() {} | |
}; | |
class ICodec_IccModule : public CFX_Object | |
{ | |
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; | |
FX_LPBYTE pProfileData; | |
FX_DWORD dwProfileSize; | |
double Gamma; | |
} IccParam; | |
virtual ~ICodec_IccModule() {} | |
virtual IccCS GetProfileCS(FX_LPCBYTE pProfileData, unsigned int dwProfileSize) = 0; | |
virtual IccCS GetProfileCS(IFX_FileRead* pFile) = 0; | |
virtual FX_LPVOID 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 FX_LPVOID CreateTransform_sRGB(FX_LPCBYTE pProfileData, unsigned int dwProfileSize, int nComponents, int intent = 0, | |
FX_DWORD dwSrcFormat = Icc_FORMAT_DEFAULT) = 0; | |
virtual FX_LPVOID CreateTransform_CMYK(FX_LPCBYTE pSrcProfileData, unsigned int dwSrcProfileSize, int nSrcComponents, | |
FX_LPCBYTE pDstProfileData, unsigned int dwDstProfileSize, int intent = 0, | |
FX_DWORD dwSrcFormat = Icc_FORMAT_DEFAULT, | |
FX_DWORD dwDstFormat = Icc_FORMAT_DEFAULT | |
) = 0; | |
virtual void DestroyTransform(FX_LPVOID pTransform) = 0; | |
virtual void Translate(FX_LPVOID pTransform, FX_FLOAT* pSrcValues, FX_FLOAT* pDestValues) = 0; | |
virtual void TranslateScanline(FX_LPVOID pTransform, FX_LPBYTE pDest, FX_LPCBYTE pSrc, int pixels) = 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(FX_BYTE c, FX_BYTE m, FX_BYTE y, FX_BYTE k, FX_BYTE& R, FX_BYTE& G, FX_BYTE& B); | |
FX_BOOL MD5ComputeID(FX_LPCVOID buf, FX_DWORD dwSize, FX_BYTE ID[16]); | |
#endif |