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// 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_
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