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/src/fxcodec/codec/codec_int.h | 270 +++++++++++++++++++++++++++++++++++++ 1 file changed, 270 insertions(+) create mode 100644 core/src/fxcodec/codec/codec_int.h (limited to 'core/src/fxcodec/codec/codec_int.h') diff --git a/core/src/fxcodec/codec/codec_int.h b/core/src/fxcodec/codec/codec_int.h new file mode 100644 index 0000000000..571af61470 --- /dev/null +++ b/core/src/fxcodec/codec/codec_int.h @@ -0,0 +1,270 @@ +// 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 + +#include +class CCodec_BasicModule : public ICodec_BasicModule +{ +public: + virtual FX_BOOL RunLengthEncode(const FX_BYTE* src_buf, FX_DWORD src_size, FX_LPBYTE& dest_buf, + FX_DWORD& dest_size); + virtual FX_BOOL A85Encode(const FX_BYTE* src_buf, FX_DWORD src_size, FX_LPBYTE& dest_buf, + FX_DWORD& dest_size); + virtual ICodec_ScanlineDecoder* CreateRunLengthDecoder(FX_LPCBYTE src_buf, FX_DWORD src_size, int width, int height, + int nComps, int bpc); +}; +struct CCodec_ImageDataCache { + int m_Width, m_Height; + int m_nCachedLines; + FX_BYTE m_Data; +}; +class CCodec_ScanlineDecoder : public ICodec_ScanlineDecoder +{ +public: + + CCodec_ScanlineDecoder(); + + virtual ~CCodec_ScanlineDecoder(); + + virtual FX_DWORD GetSrcOffset() + { + return -1; + } + + virtual void DownScale(int dest_width, int dest_height); + + FX_LPBYTE GetScanline(int line); + + FX_BOOL SkipToScanline(int line, IFX_Pause* pPause); + + int GetWidth() + { + return m_OutputWidth; + } + + int GetHeight() + { + return m_OutputHeight; + } + + int CountComps() + { + return m_nComps; + } + + int GetBPC() + { + return m_bpc; + } + + FX_BOOL IsColorTransformed() + { + return m_bColorTransformed; + } + + void ClearImageData() + { + if (m_pDataCache) { + FX_Free(m_pDataCache); + } + m_pDataCache = NULL; + } +protected: + + int m_OrigWidth; + + int m_OrigHeight; + + int m_DownScale; + + int m_OutputWidth; + + int m_OutputHeight; + + int m_nComps; + + int m_bpc; + + int m_Pitch; + + FX_BOOL m_bColorTransformed; + + FX_LPBYTE ReadNextLine(); + + virtual FX_BOOL v_Rewind() = 0; + + virtual FX_LPBYTE v_GetNextLine() = 0; + + virtual void v_DownScale(int dest_width, int dest_height) = 0; + + int m_NextLine; + + FX_LPBYTE m_pLastScanline; + + CCodec_ImageDataCache* m_pDataCache; +}; +class CCodec_FaxModule : public ICodec_FaxModule +{ +public: + 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); + FX_BOOL Encode(FX_LPCBYTE src_buf, int width, int height, int pitch, FX_LPBYTE& dest_buf, FX_DWORD& dest_size); +}; +class CCodec_FlateModule : public ICodec_FlateModule +{ +public: + 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); + 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); + 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); + virtual FX_BOOL Encode(FX_LPCBYTE src_buf, FX_DWORD src_size, FX_LPBYTE& dest_buf, FX_DWORD& dest_size); +}; +class CCodec_JpegModule : public ICodec_JpegModule +{ +public: + CCodec_JpegModule() : m_pExtProvider(NULL) {} + void SetPovider(IFX_JpegProvider* pJP) + { + m_pExtProvider = pJP; + } + ICodec_ScanlineDecoder* CreateDecoder(FX_LPCBYTE src_buf, FX_DWORD src_size, + int width, int height, int nComps, FX_BOOL ColorTransform); + 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, FX_DWORD* icc_length); + FX_BOOL Encode(const CFX_DIBSource* pSource, FX_LPBYTE& dest_buf, FX_STRSIZE& dest_size, int quality, FX_LPCBYTE icc_buf, FX_DWORD icc_length); + virtual void* Start(); + virtual void Finish(void* pContext); + virtual void Input(void* pContext, FX_LPCBYTE src_buf, FX_DWORD src_size); + virtual int ReadHeader(void* pContext, int* width, int* height, int* nComps); + virtual FX_BOOL StartScanline(void* pContext, int down_scale); + virtual FX_BOOL ReadScanline(void* pContext, FX_LPBYTE dest_buf); + virtual FX_DWORD GetAvailInput(void* pContext, FX_LPBYTE* avail_buf_ptr); +protected: + IFX_JpegProvider* m_pExtProvider; +}; +class CCodec_IccModule : public ICodec_IccModule +{ +public: + virtual IccCS GetProfileCS(FX_LPCBYTE pProfileData, unsigned int dwProfileSize); + virtual IccCS GetProfileCS(IFX_FileRead* pFile); + 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 + ); + virtual FX_LPVOID CreateTransform_sRGB(FX_LPCBYTE pProfileData, unsigned int dwProfileSize, int nComponents, int intent = 0, + FX_DWORD dwSrcFormat = Icc_FORMAT_DEFAULT); + 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 + ); + virtual void DestroyTransform(FX_LPVOID pTransform); + virtual void Translate(FX_LPVOID pTransform, FX_FLOAT* pSrcValues, FX_FLOAT* pDestValues); + virtual void TranslateScanline(FX_LPVOID pTransform, FX_LPBYTE pDest, FX_LPCBYTE pSrc, int pixels); + virtual ~CCodec_IccModule(); +protected: + CFX_MapByteStringToPtr m_MapTranform; + CFX_MapByteStringToPtr m_MapProfile; + typedef enum { + Icc_CLASS_INPUT = 0, + Icc_CLASS_OUTPUT, + Icc_CLASS_PROOF, + Icc_CLASS_MAX + } Icc_CLASS; + FX_LPVOID CreateProfile(ICodec_IccModule::IccParam* pIccParam, Icc_CLASS ic, CFX_BinaryBuf* pTransformKey); +}; +class CCodec_JpxModule : public ICodec_JpxModule +{ +public: + CCodec_JpxModule(); + void* CreateDecoder(FX_LPCBYTE src_buf, FX_DWORD src_size, FX_BOOL useColorSpace = FALSE); + void GetImageInfo(FX_LPVOID ctx, FX_DWORD& width, FX_DWORD& height, + FX_DWORD& codestream_nComps, FX_DWORD& output_nComps); + FX_BOOL Decode(void* ctx, FX_LPBYTE dest_data, int pitch, FX_BOOL bTranslateColor, FX_LPBYTE offsets); + void DestroyDecoder(void* ctx); +}; +#include "../jbig2/JBig2_Context.h" +class CPDF_Jbig2Interface : public CFX_Object, public CJBig2_Module +{ +public: + virtual void *JBig2_Malloc(FX_DWORD dwSize) + { + return FX_Alloc(FX_BYTE, dwSize); + } + virtual void *JBig2_Malloc2(FX_DWORD num, FX_DWORD dwSize) + { + if (dwSize && num >= UINT_MAX / dwSize) { + return NULL; + } + return FX_Alloc(FX_BYTE, num * dwSize); + } + virtual void *JBig2_Malloc3(FX_DWORD num, FX_DWORD dwSize, FX_DWORD dwSize2) + { + if (dwSize2 && dwSize >= UINT_MAX / dwSize2) { + return NULL; + } + FX_DWORD size = dwSize2 * dwSize; + if (size && num >= UINT_MAX / size) { + return NULL; + } + return FX_Alloc(FX_BYTE, num * size); + } + virtual void *JBig2_Realloc(FX_LPVOID pMem, FX_DWORD dwSize) + { + return FX_Realloc(FX_BYTE, pMem, dwSize); + } + virtual void JBig2_Free(FX_LPVOID pMem) + { + FX_Free(pMem); + } +}; +class CCodec_Jbig2Context : public CFX_Object +{ +public: + CCodec_Jbig2Context(); + ~CCodec_Jbig2Context() {}; + IFX_FileRead* m_file_ptr; + FX_DWORD m_width; + FX_DWORD m_height; + FX_LPBYTE m_src_buf; + FX_DWORD m_src_size; + FX_LPCBYTE m_global_data; + FX_DWORD m_global_size; + FX_LPBYTE m_dest_buf; + FX_DWORD m_dest_pitch; + FX_BOOL m_bFileReader; + IFX_Pause* m_pPause; + CJBig2_Context* m_pContext; + CJBig2_Image* m_dest_image; +}; +class CCodec_Jbig2Module : public ICodec_Jbig2Module +{ +public: + CCodec_Jbig2Module() {}; + ~CCodec_Jbig2Module(); + 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); + FX_BOOL Decode(IFX_FileRead* file_ptr, + FX_DWORD& width, FX_DWORD& height, FX_DWORD& pitch, FX_LPBYTE& dest_buf); + void* CreateJbig2Context(); + 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); + + 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); + FXCODEC_STATUS ContinueDecode(void* pJbig2Context, IFX_Pause* pPause); + void DestroyJbig2Context(void* pJbig2Context); + CPDF_Jbig2Interface m_Module; +private: +}; -- cgit v1.2.3