From 5110c4743751145c4ae1934cd1d83bc6c55bb43f Mon Sep 17 00:00:00 2001 From: John Abd-El-Malek Date: Sat, 17 May 2014 22:33:34 -0700 Subject: Initial commit. --- core/include/fxcodec/fx_codec.h | 288 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 288 insertions(+) create mode 100644 core/include/fxcodec/fx_codec.h (limited to 'core/include/fxcodec/fx_codec.h') diff --git a/core/include/fxcodec/fx_codec.h b/core/include/fxcodec/fx_codec.h new file mode 100644 index 0000000000..bee9702b28 --- /dev/null +++ b/core/include/fxcodec/fx_codec.h @@ -0,0 +1,288 @@ +// 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 -- cgit v1.2.3