diff options
Diffstat (limited to 'core/src/fxcodec')
59 files changed, 0 insertions, 20817 deletions
diff --git a/core/src/fxcodec/DEPS b/core/src/fxcodec/DEPS deleted file mode 100644 index a88b3294a9..0000000000 --- a/core/src/fxcodec/DEPS +++ /dev/null @@ -1,8 +0,0 @@ -include_rules = [ - '+third_party/lcms2-2.6', - '+third_party/libjpeg/jpeglib.h', - # For non-standalone builds that may use libjpeg_turbo. - '+third_party/libjpeg_turbo/jpeglib.h', - '+third_party/libopenjpeg20', - '+third_party/zlib_v128', -] diff --git a/core/src/fxcodec/codec/DEPS b/core/src/fxcodec/codec/DEPS deleted file mode 100644 index 495d288992..0000000000 --- a/core/src/fxcodec/codec/DEPS +++ /dev/null @@ -1,4 +0,0 @@ -include_rules = [ - '+third_party/libpng16/png.h', - '+third_party/libtiff/tiffiop.h', -] diff --git a/core/src/fxcodec/codec/codec_int.h b/core/src/fxcodec/codec/codec_int.h deleted file mode 100644 index 5c784adad6..0000000000 --- a/core/src/fxcodec/codec/codec_int.h +++ /dev/null @@ -1,428 +0,0 @@ -// 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_SRC_FXCODEC_CODEC_CODEC_INT_H_ -#define CORE_SRC_FXCODEC_CODEC_CODEC_INT_H_ - -#include <limits.h> - -#include <list> -#include <map> -#include <memory> -#include <vector> - -#include "core/include/fxcodec/fx_codec.h" -#include "core/src/fxcodec/jbig2/JBig2_Context.h" -#include "third_party/libopenjpeg20/openjpeg.h" // For OPJ_SIZE_T. - -class CFX_IccProfileCache; -class CFX_IccTransformCache; -class CPDF_ColorSpace; - -class CCodec_BasicModule : public ICodec_BasicModule { - public: - // ICodec_BasicModule: - FX_BOOL RunLengthEncode(const uint8_t* src_buf, - FX_DWORD src_size, - uint8_t*& dest_buf, - FX_DWORD& dest_size) override; - FX_BOOL A85Encode(const uint8_t* src_buf, - FX_DWORD src_size, - uint8_t*& dest_buf, - FX_DWORD& dest_size) override; - ICodec_ScanlineDecoder* CreateRunLengthDecoder(const uint8_t* src_buf, - FX_DWORD src_size, - int width, - int height, - int nComps, - int bpc) override; -}; - -class CCodec_ScanlineDecoder : public ICodec_ScanlineDecoder { - public: - CCodec_ScanlineDecoder(); - ~CCodec_ScanlineDecoder() override; - - // ICodec_ScanlineDecoder - FX_DWORD GetSrcOffset() override { return -1; } - void DownScale(int dest_width, int dest_height) override; - const uint8_t* GetScanline(int line) override; - FX_BOOL SkipToScanline(int line, IFX_Pause* pPause) override; - int GetWidth() override { return m_OutputWidth; } - int GetHeight() override { return m_OutputHeight; } - int CountComps() override { return m_nComps; } - int GetBPC() override { return m_bpc; } - FX_BOOL IsColorTransformed() override { return m_bColorTransformed; } - void ClearImageData() override { m_pDataCache.reset(); } - - protected: - class ImageDataCache { - public: - ImageDataCache(int width, int height, FX_DWORD pitch); - ~ImageDataCache(); - - bool AllocateCache(); - void AppendLine(const uint8_t* line); - - int NumLines() const { return m_nCachedLines; } - const uint8_t* GetLine(int line) const; - bool IsSameDimensions(int width, int height) const { - return width == m_Width && height == m_Height; - } - - private: - bool IsValid() const { return m_Data.get() != nullptr; } - - const int m_Width; - const int m_Height; - const FX_DWORD m_Pitch; - int m_nCachedLines; - std::unique_ptr<uint8_t, FxFreeDeleter> m_Data; - }; - - virtual FX_BOOL v_Rewind() = 0; - virtual uint8_t* v_GetNextLine() = 0; - virtual void v_DownScale(int dest_width, int dest_height) = 0; - - uint8_t* ReadNextLine(); - - int m_OrigWidth; - int m_OrigHeight; - int m_DownScale; - int m_OutputWidth; - int m_OutputHeight; - int m_nComps; - int m_bpc; - FX_DWORD m_Pitch; - FX_BOOL m_bColorTransformed; - int m_NextLine; - uint8_t* m_pLastScanline; - std::unique_ptr<ImageDataCache> m_pDataCache; -}; - -class CCodec_FaxModule : public ICodec_FaxModule { - public: - // ICodec_FaxModule: - 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) override; - FX_BOOL Encode(const uint8_t* src_buf, - int width, - int height, - int pitch, - uint8_t*& dest_buf, - FX_DWORD& dest_size) override; -}; - -class CCodec_FlateModule : public ICodec_FlateModule { - public: - 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); - 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); - 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); - virtual FX_BOOL Encode(const uint8_t* src_buf, - FX_DWORD src_size, - uint8_t*& dest_buf, - FX_DWORD& dest_size); -}; - -class CCodec_JpegModule : public ICodec_JpegModule { - public: - CCodec_JpegModule() {} - ICodec_ScanlineDecoder* CreateDecoder(const uint8_t* src_buf, - FX_DWORD src_size, - int width, - int height, - int nComps, - FX_BOOL ColorTransform) override; - 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, - FX_DWORD* icc_length) override; - FX_BOOL Encode(const CFX_DIBSource* pSource, - uint8_t*& dest_buf, - FX_STRSIZE& dest_size, - int quality, - const uint8_t* icc_buf, - FX_DWORD icc_length) override; - void* Start() override; - void Finish(void* pContext) override; - void Input(void* pContext, - const uint8_t* src_buf, - FX_DWORD src_size) override; -#ifndef PDF_ENABLE_XFA - int ReadHeader(void* pContext, int* width, int* height, int* nComps) override; -#else // PDF_ENABLE_XFA - int ReadHeader(void* pContext, - int* width, - int* height, - int* nComps, - CFX_DIBAttribute* pAttribute) override; -#endif // PDF_ENABLE_XFA - int StartScanline(void* pContext, int down_scale) override; - FX_BOOL ReadScanline(void* pContext, uint8_t* dest_buf) override; - FX_DWORD GetAvailInput(void* pContext, uint8_t** avail_buf_ptr) override; -}; - -#ifdef PDF_ENABLE_XFA -#define PNG_ERROR_SIZE 256 -class CCodec_PngModule : public ICodec_PngModule { - public: - CCodec_PngModule() { FXSYS_memset(m_szLastError, '\0', PNG_ERROR_SIZE); } - - virtual void* Start(void* pModule); - virtual void Finish(void* pContext); - virtual FX_BOOL Input(void* pContext, - const uint8_t* src_buf, - FX_DWORD src_size, - CFX_DIBAttribute* pAttribute); - - protected: - FX_CHAR m_szLastError[PNG_ERROR_SIZE]; -}; -class CCodec_GifModule : public ICodec_GifModule { - public: - CCodec_GifModule() { FXSYS_memset(m_szLastError, '\0', 256); } - virtual void* Start(void* pModule); - virtual void Finish(void* pContext); - virtual FX_DWORD GetAvailInput(void* pContext, uint8_t** avail_buf_ptr); - virtual void Input(void* pContext, const uint8_t* src_buf, FX_DWORD src_size); - - virtual int32_t ReadHeader(void* pContext, - int* width, - int* height, - int* pal_num, - void** pal_pp, - int* bg_index, - CFX_DIBAttribute* pAttribute); - - virtual int32_t LoadFrameInfo(void* pContext, int* frame_num); - - virtual int32_t LoadFrame(void* pContext, - int frame_num, - CFX_DIBAttribute* pAttribute); - - protected: - FX_CHAR m_szLastError[256]; -}; -class CCodec_BmpModule : public ICodec_BmpModule { - public: - CCodec_BmpModule() { FXSYS_memset(m_szLastError, 0, sizeof(m_szLastError)); } - void* Start(void* pModule) override; - void Finish(void* pContext) override; - FX_DWORD GetAvailInput(void* pContext, uint8_t** avail_buf_ptr) override; - void Input(void* pContext, - const uint8_t* src_buf, - FX_DWORD src_size) override; - int32_t ReadHeader(void* pContext, - int32_t* width, - int32_t* height, - FX_BOOL* tb_flag, - int32_t* components, - int32_t* pal_num, - FX_DWORD** pal_pp, - CFX_DIBAttribute* pAttribute) override; - int32_t LoadImage(void* pContext) override; - - protected: - FX_CHAR m_szLastError[256]; -}; -#endif // PDF_ENABLE_XFA - -class CCodec_IccModule : public ICodec_IccModule { - public: - ~CCodec_IccModule() override; - - // ICodec_IccModule: - IccCS GetProfileCS(const uint8_t* pProfileData, - unsigned int dwProfileSize) override; - IccCS GetProfileCS(IFX_FileRead* pFile) override; - 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) override; - void* CreateTransform_sRGB( - const uint8_t* pProfileData, - FX_DWORD dwProfileSize, - FX_DWORD& nComponents, - int32_t intent = 0, - FX_DWORD dwSrcFormat = Icc_FORMAT_DEFAULT) override; - void* CreateTransform_CMYK( - const uint8_t* pSrcProfileData, - FX_DWORD dwSrcProfileSize, - FX_DWORD& nSrcComponents, - const uint8_t* pDstProfileData, - FX_DWORD dwDstProfileSize, - int32_t intent = 0, - FX_DWORD dwSrcFormat = Icc_FORMAT_DEFAULT, - FX_DWORD dwDstFormat = Icc_FORMAT_DEFAULT) override; - void DestroyTransform(void* pTransform) override; - void Translate(void* pTransform, - FX_FLOAT* pSrcValues, - FX_FLOAT* pDestValues) override; - void TranslateScanline(void* pTransform, - uint8_t* pDest, - const uint8_t* pSrc, - int pixels) override; - void SetComponents(FX_DWORD nComponents) override { - m_nComponents = nComponents; - } - - protected: - enum Icc_CLASS { - Icc_CLASS_INPUT = 0, - Icc_CLASS_OUTPUT, - Icc_CLASS_PROOF, - Icc_CLASS_MAX - }; - void* CreateProfile(ICodec_IccModule::IccParam* pIccParam, - Icc_CLASS ic, - CFX_BinaryBuf* pTransformKey); - - FX_DWORD m_nComponents; - std::map<CFX_ByteString, CFX_IccTransformCache*> m_MapTranform; - std::map<CFX_ByteString, CFX_IccProfileCache*> m_MapProfile; -}; - -class CCodec_JpxModule : public ICodec_JpxModule { - public: - CCodec_JpxModule(); - ~CCodec_JpxModule() override; - - // ICodec_JpxModule: - CJPX_Decoder* CreateDecoder(const uint8_t* src_buf, - FX_DWORD src_size, - CPDF_ColorSpace* cs) override; - void GetImageInfo(CJPX_Decoder* pDecoder, - FX_DWORD* width, - FX_DWORD* height, - FX_DWORD* components) override; - bool Decode(CJPX_Decoder* pDecoder, - uint8_t* dest_data, - int pitch, - const std::vector<uint8_t>& offsets) override; - void DestroyDecoder(CJPX_Decoder* pDecoder) override; -}; - -#ifdef PDF_ENABLE_XFA -class CCodec_TiffModule : public ICodec_TiffModule { - public: - // ICodec_TiffModule - void* CreateDecoder(IFX_FileRead* file_ptr) override; - void GetFrames(void* ctx, int32_t& frames) override; - FX_BOOL LoadFrameInfo(void* ctx, - int32_t frame, - FX_DWORD& width, - FX_DWORD& height, - FX_DWORD& comps, - FX_DWORD& bpc, - CFX_DIBAttribute* pAttribute) override; - FX_BOOL Decode(void* ctx, class CFX_DIBitmap* pDIBitmap) override; - void DestroyDecoder(void* ctx) override; - - protected: - ~CCodec_TiffModule() override {} -}; -#endif // PDF_ENABLE_XFA - -class CCodec_Jbig2Context { - public: - CCodec_Jbig2Context(); - ~CCodec_Jbig2Context() {} - - FX_DWORD m_width; - FX_DWORD m_height; - CPDF_StreamAcc* m_pGlobalStream; - CPDF_StreamAcc* m_pSrcStream; - uint8_t* m_dest_buf; - FX_DWORD m_dest_pitch; - IFX_Pause* m_pPause; - CJBig2_Context* m_pContext; - CJBig2_Image* m_dest_image; -}; -class CCodec_Jbig2Module : public ICodec_Jbig2Module { - public: - CCodec_Jbig2Module() {} - ~CCodec_Jbig2Module() override; - - // ICodec_Jbig2Module - void* CreateJbig2Context() override; - FXCODEC_STATUS StartDecode(void* pJbig2Context, - CFX_PrivateData* pPrivateData, - FX_DWORD width, - FX_DWORD height, - CPDF_StreamAcc* src_stream, - CPDF_StreamAcc* global_stream, - uint8_t* dest_buf, - FX_DWORD dest_pitch, - IFX_Pause* pPause) override; - FXCODEC_STATUS ContinueDecode(void* pJbig2Context, - IFX_Pause* pPause) override; - void DestroyJbig2Context(void* pJbig2Context) override; -}; - -struct DecodeData { - public: - DecodeData(unsigned char* src_data, OPJ_SIZE_T src_size) - : src_data(src_data), src_size(src_size), offset(0) {} - unsigned char* src_data; - OPJ_SIZE_T src_size; - OPJ_SIZE_T offset; -}; - -void sycc420_to_rgb(opj_image_t* img); - -/* Wrappers for C-style callbacks. */ -OPJ_SIZE_T opj_read_from_memory(void* p_buffer, - OPJ_SIZE_T nb_bytes, - void* p_user_data); -OPJ_SIZE_T opj_write_from_memory(void* p_buffer, - OPJ_SIZE_T nb_bytes, - void* p_user_data); -OPJ_OFF_T opj_skip_from_memory(OPJ_OFF_T nb_bytes, void* p_user_data); -OPJ_BOOL opj_seek_from_memory(OPJ_OFF_T nb_bytes, void* p_user_data); - -#endif // CORE_SRC_FXCODEC_CODEC_CODEC_INT_H_ diff --git a/core/src/fxcodec/codec/fx_codec.cpp b/core/src/fxcodec/codec/fx_codec.cpp deleted file mode 100644 index 17e665d608..0000000000 --- a/core/src/fxcodec/codec/fx_codec.cpp +++ /dev/null @@ -1,490 +0,0 @@ -// 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 "core/include/fxcodec/fx_codec.h" - -#include <cmath> -#include <utility> - -#include "core/include/fxcrt/fx_ext.h" -#include "core/include/fxcrt/fx_safe_types.h" -#include "core/src/fxcodec/codec/codec_int.h" -#include "third_party/base/logging.h" - -CCodec_ModuleMgr::CCodec_ModuleMgr() - : m_pBasicModule(new CCodec_BasicModule), - m_pFaxModule(new CCodec_FaxModule), - m_pJpegModule(new CCodec_JpegModule), - m_pJpxModule(new CCodec_JpxModule), - m_pJbig2Module(new CCodec_Jbig2Module), - m_pIccModule(new CCodec_IccModule), -#ifdef PDF_ENABLE_XFA - m_pPngModule(new CCodec_PngModule), - m_pGifModule(new CCodec_GifModule), - m_pBmpModule(new CCodec_BmpModule), - m_pTiffModule(new CCodec_TiffModule), -#endif // PDF_ENABLE_XFA - m_pFlateModule(new CCodec_FlateModule) { -} - -CCodec_ScanlineDecoder::ImageDataCache::ImageDataCache(int width, - int height, - FX_DWORD pitch) - : m_Width(width), m_Height(height), m_Pitch(pitch), m_nCachedLines(0) {} - -CCodec_ScanlineDecoder::ImageDataCache::~ImageDataCache() { -} - -bool CCodec_ScanlineDecoder::ImageDataCache::AllocateCache() { - if (m_Pitch == 0 || m_Height < 0) - return false; - - FX_SAFE_SIZE_T size = m_Pitch; - size *= m_Height; - if (!size.IsValid()) - return false; - - m_Data.reset(FX_TryAlloc(uint8_t, size.ValueOrDie())); - return IsValid(); -} - -void CCodec_ScanlineDecoder::ImageDataCache::AppendLine(const uint8_t* line) { - // If the callers adds more lines than there is room, fail. - if (m_Pitch == 0 || m_nCachedLines >= m_Height) { - NOTREACHED(); - return; - } - - size_t offset = m_Pitch; - FXSYS_memcpy(m_Data.get() + offset * m_nCachedLines, line, m_Pitch); - ++m_nCachedLines; -} - -const uint8_t* CCodec_ScanlineDecoder::ImageDataCache::GetLine(int line) const { - if (m_Pitch == 0 || line < 0 || line >= m_nCachedLines) - return nullptr; - - size_t offset = m_Pitch; - return m_Data.get() + offset * line; -} - -CCodec_ScanlineDecoder::CCodec_ScanlineDecoder() - : m_NextLine(-1), m_pLastScanline(nullptr) { -} - -CCodec_ScanlineDecoder::~CCodec_ScanlineDecoder() { -} - -const uint8_t* CCodec_ScanlineDecoder::GetScanline(int line) { - if (m_pDataCache && line < m_pDataCache->NumLines()) - return m_pDataCache->GetLine(line); - - if (m_NextLine == line + 1) - return m_pLastScanline; - - if (m_NextLine < 0 || m_NextLine > line) { - if (!v_Rewind()) - return nullptr; - m_NextLine = 0; - } - while (m_NextLine < line) { - ReadNextLine(); - m_NextLine++; - } - m_pLastScanline = ReadNextLine(); - m_NextLine++; - return m_pLastScanline; -} - -FX_BOOL CCodec_ScanlineDecoder::SkipToScanline(int line, IFX_Pause* pPause) { - if (m_pDataCache && line < m_pDataCache->NumLines()) - return FALSE; - - if (m_NextLine == line || m_NextLine == line + 1) - return FALSE; - - if (m_NextLine < 0 || m_NextLine > line) { - v_Rewind(); - m_NextLine = 0; - } - m_pLastScanline = nullptr; - while (m_NextLine < line) { - m_pLastScanline = ReadNextLine(); - m_NextLine++; - if (pPause && pPause->NeedToPauseNow()) { - return TRUE; - } - } - return FALSE; -} - -uint8_t* CCodec_ScanlineDecoder::ReadNextLine() { - uint8_t* pLine = v_GetNextLine(); - if (!pLine) - return nullptr; - - if (m_pDataCache && m_NextLine == m_pDataCache->NumLines()) - m_pDataCache->AppendLine(pLine); - return pLine; -} - -void CCodec_ScanlineDecoder::DownScale(int dest_width, int dest_height) { - dest_width = std::abs(dest_width); - dest_height = std::abs(dest_height); - v_DownScale(dest_width, dest_height); - - if (m_pDataCache && - m_pDataCache->IsSameDimensions(m_OutputWidth, m_OutputHeight)) { - return; - } - - std::unique_ptr<ImageDataCache> cache( - new ImageDataCache(m_OutputWidth, m_OutputHeight, m_Pitch)); - if (!cache->AllocateCache()) - return; - - m_pDataCache = std::move(cache); -} - -FX_BOOL CCodec_BasicModule::RunLengthEncode(const uint8_t* src_buf, - FX_DWORD src_size, - uint8_t*& dest_buf, - FX_DWORD& dest_size) { - return FALSE; -} - -#define EXPONENT_DETECT(ptr) \ - for (;; ptr++) { \ - if (!std::isdigit(*ptr)) { \ - if (endptr) \ - *endptr = (char*)ptr; \ - break; \ - } else { \ - exp_ret *= 10; \ - exp_ret += FXSYS_toDecimalDigit(*ptr); \ - continue; \ - } \ - } - -extern "C" double FXstrtod(const char* nptr, char** endptr) { - double ret = 0.0; - const char* ptr = nptr; - const char* exp_ptr = NULL; - int e_number = 0, e_signal = 0, e_point = 0, is_negative = 0; - int exp_ret = 0, exp_sig = 1, fra_ret = 0, fra_count = 0, fra_base = 1; - if (!nptr) { - return 0.0; - } - for (;; ptr++) { - if (!e_number && !e_point && (*ptr == '\t' || *ptr == ' ')) - continue; - - if (std::isdigit(*ptr)) { - if (!e_number) - e_number = 1; - - if (!e_point) { - ret *= 10; - ret += FXSYS_toDecimalDigit(*ptr); - } else { - fra_count++; - fra_ret *= 10; - fra_ret += FXSYS_toDecimalDigit(*ptr); - } - continue; - } - if (!e_point && *ptr == '.') { - e_point = 1; - continue; - } - if (!e_number && !e_point && !e_signal) { - switch (*ptr) { - case '-': - is_negative = 1; - case '+': - e_signal = 1; - continue; - } - } - if (e_number && (*ptr == 'e' || *ptr == 'E')) { - exp_ptr = ptr++; - if (*ptr == '+' || *ptr == '-') { - exp_sig = (*ptr++ == '+') ? 1 : -1; - if (!std::isdigit(*ptr)) { - if (endptr) { - *endptr = (char*)exp_ptr; - } - break; - } - EXPONENT_DETECT(ptr); - } else if (std::isdigit(*ptr)) { - EXPONENT_DETECT(ptr); - } else { - if (endptr) { - *endptr = (char*)exp_ptr; - } - break; - } - break; - } - if (ptr != nptr && !e_number) { - if (endptr) { - *endptr = (char*)nptr; - } - break; - } - if (endptr) { - *endptr = (char*)ptr; - } - break; - } - while (fra_count--) { - fra_base *= 10; - } - ret += (double)fra_ret / (double)fra_base; - if (exp_sig == 1) { - while (exp_ret--) { - ret *= 10.0; - } - } else { - while (exp_ret--) { - ret /= 10.0; - } - } - return is_negative ? -ret : ret; -} -#undef EXPONENT_DETECT - -FX_BOOL CCodec_BasicModule::A85Encode(const uint8_t* src_buf, - FX_DWORD src_size, - uint8_t*& dest_buf, - FX_DWORD& dest_size) { - return FALSE; -} - -#ifdef PDF_ENABLE_XFA -CFX_DIBAttribute::CFX_DIBAttribute() - : m_nXDPI(-1), - m_nYDPI(-1), - m_fAspectRatio(-1.0f), - m_wDPIUnit(0), - m_nGifLeft(0), - m_nGifTop(0), - m_pGifLocalPalette(nullptr), - m_nGifLocalPalNum(0), - m_nBmpCompressType(0) { - FXSYS_memset(m_strTime, 0, sizeof(m_strTime)); -} -CFX_DIBAttribute::~CFX_DIBAttribute() { - for (const auto& pair : m_Exif) - FX_Free(pair.second); -} -#endif // PDF_ENABLE_XFA - -class CCodec_RLScanlineDecoder : public CCodec_ScanlineDecoder { - public: - CCodec_RLScanlineDecoder(); - ~CCodec_RLScanlineDecoder() override; - - FX_BOOL Create(const uint8_t* src_buf, - FX_DWORD src_size, - int width, - int height, - int nComps, - int bpc); - - // CCodec_ScanlineDecoder - void v_DownScale(int dest_width, int dest_height) override {} - FX_BOOL v_Rewind() override; - uint8_t* v_GetNextLine() override; - FX_DWORD GetSrcOffset() override { return m_SrcOffset; } - - protected: - FX_BOOL CheckDestSize(); - void GetNextOperator(); - void UpdateOperator(uint8_t used_bytes); - - uint8_t* m_pScanline; - const uint8_t* m_pSrcBuf; - FX_DWORD m_SrcSize; - FX_DWORD m_dwLineBytes; - FX_DWORD m_SrcOffset; - FX_BOOL m_bEOD; - uint8_t m_Operator; -}; -CCodec_RLScanlineDecoder::CCodec_RLScanlineDecoder() - : m_pScanline(NULL), - m_pSrcBuf(NULL), - m_SrcSize(0), - m_dwLineBytes(0), - m_SrcOffset(0), - m_bEOD(FALSE), - m_Operator(0) {} -CCodec_RLScanlineDecoder::~CCodec_RLScanlineDecoder() { - FX_Free(m_pScanline); -} -FX_BOOL CCodec_RLScanlineDecoder::CheckDestSize() { - FX_DWORD i = 0; - FX_DWORD old_size = 0; - FX_DWORD dest_size = 0; - while (i < m_SrcSize) { - if (m_pSrcBuf[i] < 128) { - old_size = dest_size; - dest_size += m_pSrcBuf[i] + 1; - if (dest_size < old_size) { - return FALSE; - } - i += m_pSrcBuf[i] + 2; - } else if (m_pSrcBuf[i] > 128) { - old_size = dest_size; - dest_size += 257 - m_pSrcBuf[i]; - if (dest_size < old_size) { - return FALSE; - } - i += 2; - } else { - break; - } - } - if (((FX_DWORD)m_OrigWidth * m_nComps * m_bpc * m_OrigHeight + 7) / 8 > - dest_size) { - return FALSE; - } - return TRUE; -} -FX_BOOL CCodec_RLScanlineDecoder::Create(const uint8_t* src_buf, - FX_DWORD src_size, - int width, - int height, - int nComps, - int bpc) { - m_pSrcBuf = src_buf; - m_SrcSize = src_size; - m_OutputWidth = m_OrigWidth = width; - m_OutputHeight = m_OrigHeight = height; - m_nComps = nComps; - m_bpc = bpc; - m_bColorTransformed = FALSE; - m_DownScale = 1; - // Aligning the pitch to 4 bytes requires an integer overflow check. - FX_SAFE_DWORD pitch = width; - pitch *= nComps; - pitch *= bpc; - pitch += 31; - pitch /= 32; - pitch *= 4; - if (!pitch.IsValid()) { - return FALSE; - } - m_Pitch = pitch.ValueOrDie(); - // Overflow should already have been checked before this is called. - m_dwLineBytes = (static_cast<FX_DWORD>(width) * nComps * bpc + 7) / 8; - m_pScanline = FX_Alloc(uint8_t, m_Pitch); - return CheckDestSize(); -} -FX_BOOL CCodec_RLScanlineDecoder::v_Rewind() { - FXSYS_memset(m_pScanline, 0, m_Pitch); - m_SrcOffset = 0; - m_bEOD = FALSE; - m_Operator = 0; - return TRUE; -} -uint8_t* CCodec_RLScanlineDecoder::v_GetNextLine() { - if (m_SrcOffset == 0) { - GetNextOperator(); - } else { - if (m_bEOD) { - return NULL; - } - } - FXSYS_memset(m_pScanline, 0, m_Pitch); - FX_DWORD col_pos = 0; - FX_BOOL eol = FALSE; - while (m_SrcOffset < m_SrcSize && !eol) { - if (m_Operator < 128) { - FX_DWORD copy_len = m_Operator + 1; - if (col_pos + copy_len >= m_dwLineBytes) { - copy_len = m_dwLineBytes - col_pos; - eol = TRUE; - } - if (copy_len >= m_SrcSize - m_SrcOffset) { - copy_len = m_SrcSize - m_SrcOffset; - m_bEOD = TRUE; - } - FXSYS_memcpy(m_pScanline + col_pos, m_pSrcBuf + m_SrcOffset, copy_len); - col_pos += copy_len; - UpdateOperator((uint8_t)copy_len); - } else if (m_Operator > 128) { - int fill = 0; - if (m_SrcOffset - 1 < m_SrcSize - 1) { - fill = m_pSrcBuf[m_SrcOffset]; - } - FX_DWORD duplicate_len = 257 - m_Operator; - if (col_pos + duplicate_len >= m_dwLineBytes) { - duplicate_len = m_dwLineBytes - col_pos; - eol = TRUE; - } - FXSYS_memset(m_pScanline + col_pos, fill, duplicate_len); - col_pos += duplicate_len; - UpdateOperator((uint8_t)duplicate_len); - } else { - m_bEOD = TRUE; - break; - } - } - return m_pScanline; -} -void CCodec_RLScanlineDecoder::GetNextOperator() { - if (m_SrcOffset >= m_SrcSize) { - m_Operator = 128; - return; - } - m_Operator = m_pSrcBuf[m_SrcOffset]; - m_SrcOffset++; -} -void CCodec_RLScanlineDecoder::UpdateOperator(uint8_t used_bytes) { - if (used_bytes == 0) { - return; - } - if (m_Operator < 128) { - FXSYS_assert((FX_DWORD)m_Operator + 1 >= used_bytes); - if (used_bytes == m_Operator + 1) { - m_SrcOffset += used_bytes; - GetNextOperator(); - return; - } - m_Operator -= used_bytes; - m_SrcOffset += used_bytes; - if (m_SrcOffset >= m_SrcSize) { - m_Operator = 128; - } - return; - } - uint8_t count = 257 - m_Operator; - FXSYS_assert((FX_DWORD)count >= used_bytes); - if (used_bytes == count) { - m_SrcOffset++; - GetNextOperator(); - return; - } - count -= used_bytes; - m_Operator = 257 - count; -} -ICodec_ScanlineDecoder* CCodec_BasicModule::CreateRunLengthDecoder( - const uint8_t* src_buf, - FX_DWORD src_size, - int width, - int height, - int nComps, - int bpc) { - CCodec_RLScanlineDecoder* pRLScanlineDecoder = new CCodec_RLScanlineDecoder; - if (!pRLScanlineDecoder->Create(src_buf, src_size, width, height, nComps, - bpc)) { - delete pRLScanlineDecoder; - return NULL; - } - return pRLScanlineDecoder; -} diff --git a/core/src/fxcodec/codec/fx_codec_bmp.cpp b/core/src/fxcodec/codec/fx_codec_bmp.cpp deleted file mode 100644 index 41a881d3ae..0000000000 --- a/core/src/fxcodec/codec/fx_codec_bmp.cpp +++ /dev/null @@ -1,125 +0,0 @@ -// 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 "core/include/fxcodec/fx_codec.h" -#include "core/include/fxge/fx_dib.h" -#include "core/src/fxcodec/codec/codec_int.h" -#include "core/src/fxcodec/lbmp/fx_bmp.h" -struct FXBMP_Context { - bmp_decompress_struct_p bmp_ptr; - void* parent_ptr; - void* child_ptr; - - void* (*m_AllocFunc)(unsigned int); - void (*m_FreeFunc)(void*); -}; -extern "C" { -static void* bmp_alloc_func(unsigned int size) { - return FX_Alloc(char, size); -} -static void bmp_free_func(void* p) { - FX_Free(p); -} -}; -static void bmp_error_data(bmp_decompress_struct_p bmp_ptr, - const FX_CHAR* err_msg) { - FXSYS_strncpy((char*)bmp_ptr->err_ptr, err_msg, BMP_MAX_ERROR_SIZE - 1); - longjmp(bmp_ptr->jmpbuf, 1); -} -static void bmp_read_scanline(bmp_decompress_struct_p bmp_ptr, - int32_t row_num, - uint8_t* row_buf) { - FXBMP_Context* p = (FXBMP_Context*)bmp_ptr->context_ptr; - CCodec_BmpModule* pModule = (CCodec_BmpModule*)p->parent_ptr; - pModule->ReadScanlineCallback(p->child_ptr, row_num, row_buf); -} -static FX_BOOL bmp_get_data_position(bmp_decompress_struct_p bmp_ptr, - FX_DWORD rcd_pos) { - FXBMP_Context* p = (FXBMP_Context*)bmp_ptr->context_ptr; - CCodec_BmpModule* pModule = (CCodec_BmpModule*)p->parent_ptr; - return pModule->InputImagePositionBufCallback(p->child_ptr, rcd_pos); -} -void* CCodec_BmpModule::Start(void* pModule) { - FXBMP_Context* p = (FXBMP_Context*)FX_Alloc(uint8_t, sizeof(FXBMP_Context)); - if (p == NULL) { - return NULL; - } - FXSYS_memset(p, 0, sizeof(FXBMP_Context)); - if (p == NULL) { - return NULL; - } - p->m_AllocFunc = bmp_alloc_func; - p->m_FreeFunc = bmp_free_func; - p->bmp_ptr = NULL; - p->parent_ptr = (void*)this; - p->child_ptr = pModule; - p->bmp_ptr = bmp_create_decompress(); - if (p->bmp_ptr == NULL) { - FX_Free(p); - return NULL; - } - p->bmp_ptr->context_ptr = (void*)p; - p->bmp_ptr->err_ptr = m_szLastError; - p->bmp_ptr->bmp_error_fn = bmp_error_data; - p->bmp_ptr->bmp_get_row_fn = bmp_read_scanline; - p->bmp_ptr->bmp_get_data_position_fn = bmp_get_data_position; - return p; -} -void CCodec_BmpModule::Finish(void* pContext) { - FXBMP_Context* p = (FXBMP_Context*)pContext; - if (p) { - bmp_destroy_decompress(&p->bmp_ptr); - p->m_FreeFunc(p); - } -} -int32_t CCodec_BmpModule::ReadHeader(void* pContext, - int32_t* width, - int32_t* height, - FX_BOOL* tb_flag, - int32_t* components, - int32_t* pal_num, - FX_DWORD** pal_pp, - CFX_DIBAttribute* pAttribute) { - FXBMP_Context* p = (FXBMP_Context*)pContext; - if (setjmp(p->bmp_ptr->jmpbuf)) { - return 0; - } - int32_t ret = bmp_read_header(p->bmp_ptr); - if (ret != 1) { - return ret; - } - *width = p->bmp_ptr->width; - *height = p->bmp_ptr->height; - *tb_flag = p->bmp_ptr->imgTB_flag; - *components = p->bmp_ptr->components; - *pal_num = p->bmp_ptr->pal_num; - *pal_pp = p->bmp_ptr->pal_ptr; - if (pAttribute) { - pAttribute->m_wDPIUnit = FXCODEC_RESUNIT_METER; - pAttribute->m_nXDPI = p->bmp_ptr->dpi_x; - pAttribute->m_nYDPI = p->bmp_ptr->dpi_y; - pAttribute->m_nBmpCompressType = p->bmp_ptr->compress_flag; - } - return 1; -} -int32_t CCodec_BmpModule::LoadImage(void* pContext) { - FXBMP_Context* p = (FXBMP_Context*)pContext; - if (setjmp(p->bmp_ptr->jmpbuf)) { - return 0; - } - return bmp_decode_image(p->bmp_ptr); -} -FX_DWORD CCodec_BmpModule::GetAvailInput(void* pContext, - uint8_t** avial_buf_ptr) { - FXBMP_Context* p = (FXBMP_Context*)pContext; - return bmp_get_avail_input(p->bmp_ptr, avial_buf_ptr); -} -void CCodec_BmpModule::Input(void* pContext, - const uint8_t* src_buf, - FX_DWORD src_size) { - FXBMP_Context* p = (FXBMP_Context*)pContext; - bmp_input_buffer(p->bmp_ptr, (uint8_t*)src_buf, src_size); -} diff --git a/core/src/fxcodec/codec/fx_codec_fax.cpp b/core/src/fxcodec/codec/fx_codec_fax.cpp deleted file mode 100644 index 36b92f06ff..0000000000 --- a/core/src/fxcodec/codec/fx_codec_fax.cpp +++ /dev/null @@ -1,830 +0,0 @@ -// 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 "core/include/fxcodec/fx_codec.h" -#include "core/src/fxcodec/codec/codec_int.h" - -namespace { - -const uint8_t OneLeadPos[256] = { - 8, 7, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, - 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -}; -const uint8_t ZeroLeadPos[256] = { - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, - 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 6, 6, 7, 8, -}; - -int FindBit(const uint8_t* data_buf, int max_pos, int start_pos, int bit) { - if (start_pos >= max_pos) { - return max_pos; - } - const uint8_t* leading_pos = bit ? OneLeadPos : ZeroLeadPos; - if (start_pos % 8) { - uint8_t data = data_buf[start_pos / 8]; - if (bit) { - data &= 0xff >> (start_pos % 8); - } else { - data |= 0xff << (8 - start_pos % 8); - } - if (leading_pos[data] < 8) { - return start_pos / 8 * 8 + leading_pos[data]; - } - start_pos += 7; - } - uint8_t skip = bit ? 0x00 : 0xff; - int byte_pos = start_pos / 8; - int max_byte = (max_pos + 7) / 8; - while (byte_pos < max_byte) { - if (data_buf[byte_pos] != skip) { - break; - } - byte_pos++; - } - if (byte_pos == max_byte) { - return max_pos; - } - int pos = leading_pos[data_buf[byte_pos]] + byte_pos * 8; - if (pos > max_pos) { - pos = max_pos; - } - return pos; -} - -void FaxG4FindB1B2(const uint8_t* ref_buf, - int columns, - int a0, - bool a0color, - int& b1, - int& b2) { - uint8_t first_bit = - (a0 < 0) ? 1 : ((ref_buf[a0 / 8] & (1 << (7 - a0 % 8))) != 0); - b1 = FindBit(ref_buf, columns, a0 + 1, !first_bit); - if (b1 >= columns) { - b1 = b2 = columns; - return; - } - if (first_bit == !a0color) { - b1 = FindBit(ref_buf, columns, b1 + 1, first_bit); - first_bit = !first_bit; - } - if (b1 >= columns) { - b1 = b2 = columns; - return; - } - b2 = FindBit(ref_buf, columns, b1 + 1, first_bit); -} - -void FaxFillBits(uint8_t* dest_buf, int columns, int startpos, int endpos) { - if (startpos < 0) { - startpos = 0; - } - if (endpos < 0) { - endpos = 0; - } - if (endpos >= columns) { - endpos = columns; - } - if (startpos >= endpos) { - return; - } - int first_byte = startpos / 8; - int last_byte = (endpos - 1) / 8; - if (first_byte == last_byte) { - for (int i = startpos % 8; i <= (endpos - 1) % 8; i++) { - dest_buf[first_byte] -= 1 << (7 - i); - } - return; - } - int i; - for (i = startpos % 8; i < 8; i++) { - dest_buf[first_byte] -= 1 << (7 - i); - } - for (i = 0; i <= (endpos - 1) % 8; i++) { - dest_buf[last_byte] -= 1 << (7 - i); - } - if (last_byte > first_byte + 1) { - FXSYS_memset(dest_buf + first_byte + 1, 0, last_byte - first_byte - 1); - } -} - -#define NEXTBIT \ - src_buf[bitpos / 8] & (1 << (7 - bitpos % 8)); \ - bitpos++; -#define ADDBIT(code, bit) \ - code = code << 1; \ - if (bit) \ - code++; -#define GETBIT(bitpos) src_buf[bitpos / 8] & (1 << (7 - bitpos % 8)) - -const uint8_t FaxBlackRunIns[] = { - 0, 2, 0x02, 3, 0, 0x03, - 2, 0, 2, 0x02, 1, 0, - 0x03, 4, 0, 2, 0x02, 6, - 0, 0x03, 5, 0, 1, 0x03, - 7, 0, 2, 0x04, 9, 0, - 0x05, 8, 0, 3, 0x04, 10, - 0, 0x05, 11, 0, 0x07, 12, - 0, 2, 0x04, 13, 0, 0x07, - 14, 0, 1, 0x18, 15, 0, - 5, 0x08, 18, 0, 0x0f, 64, - 0, 0x17, 16, 0, 0x18, 17, - 0, 0x37, 0, 0, 10, 0x08, - 0x00, 0x07, 0x0c, 0x40, 0x07, 0x0d, - 0x80, 0x07, 0x17, 24, 0, 0x18, - 25, 0, 0x28, 23, 0, 0x37, - 22, 0, 0x67, 19, 0, 0x68, - 20, 0, 0x6c, 21, 0, 54, - 0x12, 1984 % 256, 1984 / 256, 0x13, 2048 % 256, 2048 / 256, - 0x14, 2112 % 256, 2112 / 256, 0x15, 2176 % 256, 2176 / 256, - 0x16, 2240 % 256, 2240 / 256, 0x17, 2304 % 256, 2304 / 256, - 0x1c, 2368 % 256, 2368 / 256, 0x1d, 2432 % 256, 2432 / 256, - 0x1e, 2496 % 256, 2496 / 256, 0x1f, 2560 % 256, 2560 / 256, - 0x24, 52, 0, 0x27, 55, 0, - 0x28, 56, 0, 0x2b, 59, 0, - 0x2c, 60, 0, 0x33, 320 % 256, 320 / 256, - 0x34, 384 % 256, 384 / 256, 0x35, 448 % 256, 448 / 256, - 0x37, 53, 0, 0x38, 54, 0, - 0x52, 50, 0, 0x53, 51, 0, - 0x54, 44, 0, 0x55, 45, 0, - 0x56, 46, 0, 0x57, 47, 0, - 0x58, 57, 0, 0x59, 58, 0, - 0x5a, 61, 0, 0x5b, 256 % 256, 256 / 256, - 0x64, 48, 0, 0x65, 49, 0, - 0x66, 62, 0, 0x67, 63, 0, - 0x68, 30, 0, 0x69, 31, 0, - 0x6a, 32, 0, 0x6b, 33, 0, - 0x6c, 40, 0, 0x6d, 41, 0, - 0xc8, 128, 0, 0xc9, 192, 0, - 0xca, 26, 0, 0xcb, 27, 0, - 0xcc, 28, 0, 0xcd, 29, 0, - 0xd2, 34, 0, 0xd3, 35, 0, - 0xd4, 36, 0, 0xd5, 37, 0, - 0xd6, 38, 0, 0xd7, 39, 0, - 0xda, 42, 0, 0xdb, 43, 0, - 20, 0x4a, 640 % 256, 640 / 256, 0x4b, 704 % 256, - 704 / 256, 0x4c, 768 % 256, 768 / 256, 0x4d, 832 % 256, - 832 / 256, 0x52, 1280 % 256, 1280 / 256, 0x53, 1344 % 256, - 1344 / 256, 0x54, 1408 % 256, 1408 / 256, 0x55, 1472 % 256, - 1472 / 256, 0x5a, 1536 % 256, 1536 / 256, 0x5b, 1600 % 256, - 1600 / 256, 0x64, 1664 % 256, 1664 / 256, 0x65, 1728 % 256, - 1728 / 256, 0x6c, 512 % 256, 512 / 256, 0x6d, 576 % 256, - 576 / 256, 0x72, 896 % 256, 896 / 256, 0x73, 960 % 256, - 960 / 256, 0x74, 1024 % 256, 1024 / 256, 0x75, 1088 % 256, - 1088 / 256, 0x76, 1152 % 256, 1152 / 256, 0x77, 1216 % 256, - 1216 / 256, 0xff}; - -const uint8_t FaxWhiteRunIns[] = { - 0, 0, 0, 6, 0x07, 2, - 0, 0x08, 3, 0, 0x0B, 4, - 0, 0x0C, 5, 0, 0x0E, 6, - 0, 0x0F, 7, 0, 6, 0x07, - 10, 0, 0x08, 11, 0, 0x12, - 128, 0, 0x13, 8, 0, 0x14, - 9, 0, 0x1b, 64, 0, 9, - 0x03, 13, 0, 0x07, 1, 0, - 0x08, 12, 0, 0x17, 192, 0, - 0x18, 1664 % 256, 1664 / 256, 0x2a, 16, 0, - 0x2B, 17, 0, 0x34, 14, 0, - 0x35, 15, 0, 12, 0x03, 22, - 0, 0x04, 23, 0, 0x08, 20, - 0, 0x0c, 19, 0, 0x13, 26, - 0, 0x17, 21, 0, 0x18, 28, - 0, 0x24, 27, 0, 0x27, 18, - 0, 0x28, 24, 0, 0x2B, 25, - 0, 0x37, 256 % 256, 256 / 256, 42, 0x02, - 29, 0, 0x03, 30, 0, 0x04, - 45, 0, 0x05, 46, 0, 0x0a, - 47, 0, 0x0b, 48, 0, 0x12, - 33, 0, 0x13, 34, 0, 0x14, - 35, 0, 0x15, 36, 0, 0x16, - 37, 0, 0x17, 38, 0, 0x1a, - 31, 0, 0x1b, 32, 0, 0x24, - 53, 0, 0x25, 54, 0, 0x28, - 39, 0, 0x29, 40, 0, 0x2a, - 41, 0, 0x2b, 42, 0, 0x2c, - 43, 0, 0x2d, 44, 0, 0x32, - 61, 0, 0x33, 62, 0, 0x34, - 63, 0, 0x35, 0, 0, 0x36, - 320 % 256, 320 / 256, 0x37, 384 % 256, 384 / 256, 0x4a, - 59, 0, 0x4b, 60, 0, 0x52, - 49, 0, 0x53, 50, 0, 0x54, - 51, 0, 0x55, 52, 0, 0x58, - 55, 0, 0x59, 56, 0, 0x5a, - 57, 0, 0x5b, 58, 0, 0x64, - 448 % 256, 448 / 256, 0x65, 512 % 256, 512 / 256, 0x67, - 640 % 256, 640 / 256, 0x68, 576 % 256, 576 / 256, 16, - 0x98, 1472 % 256, 1472 / 256, 0x99, 1536 % 256, 1536 / 256, - 0x9a, 1600 % 256, 1600 / 256, 0x9b, 1728 % 256, 1728 / 256, - 0xcc, 704 % 256, 704 / 256, 0xcd, 768 % 256, 768 / 256, - 0xd2, 832 % 256, 832 / 256, 0xd3, 896 % 256, 896 / 256, - 0xd4, 960 % 256, 960 / 256, 0xd5, 1024 % 256, 1024 / 256, - 0xd6, 1088 % 256, 1088 / 256, 0xd7, 1152 % 256, 1152 / 256, - 0xd8, 1216 % 256, 1216 / 256, 0xd9, 1280 % 256, 1280 / 256, - 0xda, 1344 % 256, 1344 / 256, 0xdb, 1408 % 256, 1408 / 256, - 0, 3, 0x08, 1792 % 256, 1792 / 256, 0x0c, - 1856 % 256, 1856 / 256, 0x0d, 1920 % 256, 1920 / 256, 10, - 0x12, 1984 % 256, 1984 / 256, 0x13, 2048 % 256, 2048 / 256, - 0x14, 2112 % 256, 2112 / 256, 0x15, 2176 % 256, 2176 / 256, - 0x16, 2240 % 256, 2240 / 256, 0x17, 2304 % 256, 2304 / 256, - 0x1c, 2368 % 256, 2368 / 256, 0x1d, 2432 % 256, 2432 / 256, - 0x1e, 2496 % 256, 2496 / 256, 0x1f, 2560 % 256, 2560 / 256, - 0xff, -}; - -int FaxGetRun(const uint8_t* ins_array, - const uint8_t* src_buf, - int& bitpos, - int bitsize) { - FX_DWORD code = 0; - int ins_off = 0; - while (1) { - uint8_t ins = ins_array[ins_off++]; - if (ins == 0xff) { - return -1; - } - if (bitpos >= bitsize) { - return -1; - } - code <<= 1; - if (src_buf[bitpos / 8] & (1 << (7 - bitpos % 8))) { - code++; - } - bitpos++; - int next_off = ins_off + ins * 3; - for (; ins_off < next_off; ins_off += 3) { - if (ins_array[ins_off] == code) { - return ins_array[ins_off + 1] + ins_array[ins_off + 2] * 256; - } - } - } -} - -FX_BOOL FaxG4GetRow(const uint8_t* src_buf, - int bitsize, - int& bitpos, - uint8_t* dest_buf, - const uint8_t* ref_buf, - int columns) { - int a0 = -1; - bool a0color = true; - while (1) { - if (bitpos >= bitsize) { - return FALSE; - } - int a1, a2, b1, b2; - FaxG4FindB1B2(ref_buf, columns, a0, a0color, b1, b2); - FX_BOOL bit = NEXTBIT; - int v_delta = 0; - if (bit) { - } else { - if (bitpos >= bitsize) { - return FALSE; - } - FX_BOOL bit1 = NEXTBIT; - if (bitpos >= bitsize) { - return FALSE; - } - FX_BOOL bit2 = NEXTBIT; - if (bit1 && bit2) { - v_delta = 1; - } else if (bit1) { - v_delta = -1; - } else if (bit2) { - int run_len1 = 0; - while (1) { - int run = FaxGetRun(a0color ? FaxWhiteRunIns : FaxBlackRunIns, - src_buf, bitpos, bitsize); - run_len1 += run; - if (run < 64) { - break; - } - } - if (a0 < 0) { - run_len1++; - } - a1 = a0 + run_len1; - if (!a0color) { - FaxFillBits(dest_buf, columns, a0, a1); - } - int run_len2 = 0; - while (1) { - int run = FaxGetRun(a0color ? FaxBlackRunIns : FaxWhiteRunIns, - src_buf, bitpos, bitsize); - run_len2 += run; - if (run < 64) { - break; - } - } - a2 = a1 + run_len2; - if (a0color) { - FaxFillBits(dest_buf, columns, a1, a2); - } - a0 = a2; - if (a0 < columns) { - continue; - } - return TRUE; - } else { - if (bitpos >= bitsize) { - return FALSE; - } - bit = NEXTBIT; - if (bit) { - if (!a0color) { - FaxFillBits(dest_buf, columns, a0, b2); - } - if (b2 >= columns) { - return TRUE; - } - a0 = b2; - continue; - } else { - if (bitpos >= bitsize) { - return FALSE; - } - FX_BOOL bit1 = NEXTBIT; - if (bitpos >= bitsize) { - return FALSE; - } - FX_BOOL bit2 = NEXTBIT; - if (bit1 && bit2) { - v_delta = 2; - } else if (bit1) { - v_delta = -2; - } else if (bit2) { - if (bitpos >= bitsize) { - return FALSE; - } - bit = NEXTBIT; - if (bit) { - v_delta = 3; - } else { - v_delta = -3; - } - } else { - if (bitpos >= bitsize) { - return FALSE; - } - bit = NEXTBIT; - if (bit) { - bitpos += 3; - continue; - } else { - bitpos += 5; - return TRUE; - } - } - } - } - } - a1 = b1 + v_delta; - if (!a0color) { - FaxFillBits(dest_buf, columns, a0, a1); - } - if (a1 >= columns) { - return TRUE; - } - a0 = a1; - a0color = !a0color; - } -} - -FX_BOOL FaxSkipEOL(const uint8_t* src_buf, int bitsize, int& bitpos) { - int startbit = bitpos; - while (bitpos < bitsize) { - int bit = NEXTBIT; - if (bit) { - if (bitpos - startbit <= 11) { - bitpos = startbit; - } - return TRUE; - } - } - return FALSE; -} - -FX_BOOL FaxGet1DLine(const uint8_t* src_buf, - int bitsize, - int& bitpos, - uint8_t* dest_buf, - int columns) { - bool color = true; - int startpos = 0; - while (1) { - if (bitpos >= bitsize) { - return FALSE; - } - int run_len = 0; - while (1) { - int run = FaxGetRun(color ? FaxWhiteRunIns : FaxBlackRunIns, src_buf, - bitpos, bitsize); - if (run < 0) { - while (bitpos < bitsize) { - int bit = NEXTBIT; - if (bit) { - return TRUE; - } - } - return FALSE; - } - run_len += run; - if (run < 64) { - break; - } - } - if (!color) { - FaxFillBits(dest_buf, columns, startpos, startpos + run_len); - } - startpos += run_len; - if (startpos >= columns) { - break; - } - color = !color; - } - return TRUE; -} - -const uint8_t BlackRunTerminator[128] = { - 0x37, 10, 0x02, 3, 0x03, 2, 0x02, 2, 0x03, 3, 0x03, 4, 0x02, 4, - 0x03, 5, 0x05, 6, 0x04, 6, 0x04, 7, 0x05, 7, 0x07, 7, 0x04, 8, - 0x07, 8, 0x18, 9, 0x17, 10, 0x18, 10, 0x08, 10, 0x67, 11, 0x68, 11, - 0x6c, 11, 0x37, 11, 0x28, 11, 0x17, 11, 0x18, 11, 0xca, 12, 0xcb, 12, - 0xcc, 12, 0xcd, 12, 0x68, 12, 0x69, 12, 0x6a, 12, 0x6b, 12, 0xd2, 12, - 0xd3, 12, 0xd4, 12, 0xd5, 12, 0xd6, 12, 0xd7, 12, 0x6c, 12, 0x6d, 12, - 0xda, 12, 0xdb, 12, 0x54, 12, 0x55, 12, 0x56, 12, 0x57, 12, 0x64, 12, - 0x65, 12, 0x52, 12, 0x53, 12, 0x24, 12, 0x37, 12, 0x38, 12, 0x27, 12, - 0x28, 12, 0x58, 12, 0x59, 12, 0x2b, 12, 0x2c, 12, 0x5a, 12, 0x66, 12, - 0x67, 12, -}; - -const uint8_t BlackRunMarkup[80] = { - 0x0f, 10, 0xc8, 12, 0xc9, 12, 0x5b, 12, 0x33, 12, 0x34, 12, 0x35, 12, - 0x6c, 13, 0x6d, 13, 0x4a, 13, 0x4b, 13, 0x4c, 13, 0x4d, 13, 0x72, 13, - 0x73, 13, 0x74, 13, 0x75, 13, 0x76, 13, 0x77, 13, 0x52, 13, 0x53, 13, - 0x54, 13, 0x55, 13, 0x5a, 13, 0x5b, 13, 0x64, 13, 0x65, 13, 0x08, 11, - 0x0c, 11, 0x0d, 11, 0x12, 12, 0x13, 12, 0x14, 12, 0x15, 12, 0x16, 12, - 0x17, 12, 0x1c, 12, 0x1d, 12, 0x1e, 12, 0x1f, 12, -}; - -const uint8_t WhiteRunTerminator[128] = { - 0x35, 8, 0x07, 6, 0x07, 4, 0x08, 4, 0x0B, 4, 0x0C, 4, 0x0E, 4, 0x0F, 4, - 0x13, 5, 0x14, 5, 0x07, 5, 0x08, 5, 0x08, 6, 0x03, 6, 0x34, 6, 0x35, 6, - 0x2a, 6, 0x2B, 6, 0x27, 7, 0x0c, 7, 0x08, 7, 0x17, 7, 0x03, 7, 0x04, 7, - 0x28, 7, 0x2B, 7, 0x13, 7, 0x24, 7, 0x18, 7, 0x02, 8, 0x03, 8, 0x1a, 8, - 0x1b, 8, 0x12, 8, 0x13, 8, 0x14, 8, 0x15, 8, 0x16, 8, 0x17, 8, 0x28, 8, - 0x29, 8, 0x2a, 8, 0x2b, 8, 0x2c, 8, 0x2d, 8, 0x04, 8, 0x05, 8, 0x0a, 8, - 0x0b, 8, 0x52, 8, 0x53, 8, 0x54, 8, 0x55, 8, 0x24, 8, 0x25, 8, 0x58, 8, - 0x59, 8, 0x5a, 8, 0x5b, 8, 0x4a, 8, 0x4b, 8, 0x32, 8, 0x33, 8, 0x34, 8, -}; - -const uint8_t WhiteRunMarkup[80] = { - 0x1b, 5, 0x12, 5, 0x17, 6, 0x37, 7, 0x36, 8, 0x37, 8, 0x64, 8, - 0x65, 8, 0x68, 8, 0x67, 8, 0xcc, 9, 0xcd, 9, 0xd2, 9, 0xd3, 9, - 0xd4, 9, 0xd5, 9, 0xd6, 9, 0xd7, 9, 0xd8, 9, 0xd9, 9, 0xda, 9, - 0xdb, 9, 0x98, 9, 0x99, 9, 0x9a, 9, 0x18, 6, 0x9b, 9, 0x08, 11, - 0x0c, 11, 0x0d, 11, 0x12, 12, 0x13, 12, 0x14, 12, 0x15, 12, 0x16, 12, - 0x17, 12, 0x1c, 12, 0x1d, 12, 0x1e, 12, 0x1f, 12, -}; - -void AddBitStream(uint8_t* dest_buf, int& dest_bitpos, int data, int bitlen) { - for (int i = bitlen - 1; i >= 0; i--) { - if (data & (1 << i)) { - dest_buf[dest_bitpos / 8] |= 1 << (7 - dest_bitpos % 8); - } - dest_bitpos++; - } -} - -void FaxEncodeRun(uint8_t* dest_buf, int& dest_bitpos, int run, bool bWhite) { - while (run >= 2560) { - AddBitStream(dest_buf, dest_bitpos, 0x1f, 12); - run -= 2560; - } - if (run >= 64) { - int markup = run - run % 64; - const uint8_t* p = bWhite ? WhiteRunMarkup : BlackRunMarkup; - p += (markup / 64 - 1) * 2; - AddBitStream(dest_buf, dest_bitpos, *p, p[1]); - } - run %= 64; - const uint8_t* p = bWhite ? WhiteRunTerminator : BlackRunTerminator; - p += run * 2; - AddBitStream(dest_buf, dest_bitpos, *p, p[1]); -} - -void FaxEncode2DLine(uint8_t* dest_buf, - int& dest_bitpos, - const uint8_t* src_buf, - const uint8_t* ref_buf, - int cols) { - int a0 = -1; - bool a0color = true; - while (1) { - int a1 = FindBit(src_buf, cols, a0 + 1, !a0color); - int b1, b2; - FaxG4FindB1B2(ref_buf, cols, a0, a0color, b1, b2); - if (b2 < a1) { - dest_bitpos += 3; - dest_buf[dest_bitpos / 8] |= 1 << (7 - dest_bitpos % 8); - dest_bitpos++; - a0 = b2; - } else if (a1 - b1 <= 3 && b1 - a1 <= 3) { - int delta = a1 - b1; - switch (delta) { - case 0: - dest_buf[dest_bitpos / 8] |= 1 << (7 - dest_bitpos % 8); - break; - case 1: - case 2: - case 3: - dest_bitpos += delta == 1 ? 1 : delta + 2; - dest_buf[dest_bitpos / 8] |= 1 << (7 - dest_bitpos % 8); - dest_bitpos++; - dest_buf[dest_bitpos / 8] |= 1 << (7 - dest_bitpos % 8); - break; - case -1: - case -2: - case -3: - dest_bitpos += delta == -1 ? 1 : -delta + 2; - dest_buf[dest_bitpos / 8] |= 1 << (7 - dest_bitpos % 8); - dest_bitpos++; - break; - } - dest_bitpos++; - a0 = a1; - a0color = !a0color; - } else { - int a2 = FindBit(src_buf, cols, a1 + 1, a0color); - dest_bitpos++; - dest_bitpos++; - dest_buf[dest_bitpos / 8] |= 1 << (7 - dest_bitpos % 8); - dest_bitpos++; - if (a0 < 0) { - a0 = 0; - } - FaxEncodeRun(dest_buf, dest_bitpos, a1 - a0, a0color); - FaxEncodeRun(dest_buf, dest_bitpos, a2 - a1, !a0color); - a0 = a2; - } - if (a0 >= cols) { - return; - } - } -} - -} // namespace - -class CCodec_FaxDecoder : public CCodec_ScanlineDecoder { - public: - CCodec_FaxDecoder(); - ~CCodec_FaxDecoder() override; - - FX_BOOL Create(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); - - // CCodec_ScanlineDecoder - void v_DownScale(int dest_width, int dest_height) override {} - FX_BOOL v_Rewind() override; - uint8_t* v_GetNextLine() override; - FX_DWORD GetSrcOffset() override; - - int m_Encoding, m_bEndOfLine, m_bByteAlign, m_bBlack; - int bitpos; - const uint8_t* m_pSrcBuf; - FX_DWORD m_SrcSize; - uint8_t* m_pScanlineBuf; - uint8_t* m_pRefBuf; -}; - -CCodec_FaxDecoder::CCodec_FaxDecoder() { - m_pScanlineBuf = NULL; - m_pRefBuf = NULL; -} -CCodec_FaxDecoder::~CCodec_FaxDecoder() { - FX_Free(m_pScanlineBuf); - FX_Free(m_pRefBuf); -} -FX_BOOL CCodec_FaxDecoder::Create(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) { - m_Encoding = K; - m_bEndOfLine = EndOfLine; - m_bByteAlign = EncodedByteAlign; - m_bBlack = BlackIs1; - m_OrigWidth = Columns; - m_OrigHeight = Rows; - if (m_OrigWidth == 0) { - m_OrigWidth = width; - } - if (m_OrigHeight == 0) { - m_OrigHeight = height; - } - // Should not overflow. Checked by FPDFAPI_CreateFaxDecoder. - m_Pitch = (static_cast<FX_DWORD>(m_OrigWidth) + 31) / 32 * 4; - m_OutputWidth = m_OrigWidth; - m_OutputHeight = m_OrigHeight; - m_pScanlineBuf = FX_Alloc(uint8_t, m_Pitch); - m_pRefBuf = FX_Alloc(uint8_t, m_Pitch); - m_pSrcBuf = src_buf; - m_SrcSize = src_size; - m_nComps = 1; - m_bpc = 1; - m_bColorTransformed = FALSE; - return TRUE; -} -FX_BOOL CCodec_FaxDecoder::v_Rewind() { - FXSYS_memset(m_pRefBuf, 0xff, m_Pitch); - bitpos = 0; - return TRUE; -} -uint8_t* CCodec_FaxDecoder::v_GetNextLine() { - int bitsize = m_SrcSize * 8; - FaxSkipEOL(m_pSrcBuf, bitsize, bitpos); - if (bitpos >= bitsize) { - return NULL; - } - FXSYS_memset(m_pScanlineBuf, 0xff, m_Pitch); - if (m_Encoding < 0) { - FaxG4GetRow(m_pSrcBuf, bitsize, bitpos, m_pScanlineBuf, m_pRefBuf, - m_OrigWidth); - FXSYS_memcpy(m_pRefBuf, m_pScanlineBuf, m_Pitch); - } else if (m_Encoding == 0) { - FaxGet1DLine(m_pSrcBuf, bitsize, bitpos, m_pScanlineBuf, m_OrigWidth); - } else { - FX_BOOL bNext1D = m_pSrcBuf[bitpos / 8] & (1 << (7 - bitpos % 8)); - bitpos++; - if (bNext1D) { - FaxGet1DLine(m_pSrcBuf, bitsize, bitpos, m_pScanlineBuf, m_OrigWidth); - } else { - FaxG4GetRow(m_pSrcBuf, bitsize, bitpos, m_pScanlineBuf, m_pRefBuf, - m_OrigWidth); - } - FXSYS_memcpy(m_pRefBuf, m_pScanlineBuf, m_Pitch); - } - if (m_bEndOfLine) { - FaxSkipEOL(m_pSrcBuf, bitsize, bitpos); - } - if (m_bByteAlign && bitpos < bitsize) { - int bitpos0 = bitpos; - int bitpos1 = (bitpos + 7) / 8 * 8; - while (m_bByteAlign && bitpos0 < bitpos1) { - int bit = m_pSrcBuf[bitpos0 / 8] & (1 << (7 - bitpos0 % 8)); - if (bit != 0) { - m_bByteAlign = FALSE; - } else { - bitpos0++; - } - } - if (m_bByteAlign) { - bitpos = bitpos1; - } - } - if (m_bBlack) { - for (FX_DWORD i = 0; i < m_Pitch; i++) { - m_pScanlineBuf[i] = ~m_pScanlineBuf[i]; - } - } - return m_pScanlineBuf; -} -FX_DWORD CCodec_FaxDecoder::GetSrcOffset() { - FX_DWORD ret = (bitpos + 7) / 8; - if (ret > m_SrcSize) { - ret = m_SrcSize; - } - return ret; -} - -void FaxG4Decode(const uint8_t* src_buf, - FX_DWORD src_size, - int* pbitpos, - uint8_t* dest_buf, - int width, - int height, - int pitch) { - if (pitch == 0) { - pitch = (width + 7) / 8; - } - uint8_t* ref_buf = FX_Alloc(uint8_t, pitch); - FXSYS_memset(ref_buf, 0xff, pitch); - int bitpos = *pbitpos; - for (int iRow = 0; iRow < height; iRow++) { - uint8_t* line_buf = dest_buf + iRow * pitch; - FXSYS_memset(line_buf, 0xff, pitch); - FaxG4GetRow(src_buf, src_size << 3, bitpos, line_buf, ref_buf, width); - FXSYS_memcpy(ref_buf, line_buf, pitch); - } - FX_Free(ref_buf); - *pbitpos = bitpos; -} - -class CCodec_FaxEncoder { - public: - CCodec_FaxEncoder(const uint8_t* src_buf, int width, int height, int pitch); - ~CCodec_FaxEncoder(); - void Encode(uint8_t*& dest_buf, FX_DWORD& dest_size); - void Encode2DLine(const uint8_t* scan_line); - CFX_BinaryBuf m_DestBuf; - uint8_t* m_pRefLine; - uint8_t* m_pLineBuf; - int m_Cols, m_Rows, m_Pitch; - const uint8_t* m_pSrcBuf; -}; -CCodec_FaxEncoder::CCodec_FaxEncoder(const uint8_t* src_buf, - int width, - int height, - int pitch) { - m_pSrcBuf = src_buf; - m_Cols = width; - m_Rows = height; - m_Pitch = pitch; - m_pRefLine = FX_Alloc(uint8_t, m_Pitch); - FXSYS_memset(m_pRefLine, 0xff, m_Pitch); - m_pLineBuf = FX_Alloc2D(uint8_t, m_Pitch, 8); - m_DestBuf.EstimateSize(0, 10240); -} -CCodec_FaxEncoder::~CCodec_FaxEncoder() { - FX_Free(m_pRefLine); - FX_Free(m_pLineBuf); -} -void CCodec_FaxEncoder::Encode(uint8_t*& dest_buf, FX_DWORD& dest_size) { - int dest_bitpos = 0; - uint8_t last_byte = 0; - for (int i = 0; i < m_Rows; i++) { - const uint8_t* scan_line = m_pSrcBuf + i * m_Pitch; - FXSYS_memset(m_pLineBuf, 0, m_Pitch * 8); - m_pLineBuf[0] = last_byte; - FaxEncode2DLine(m_pLineBuf, dest_bitpos, scan_line, m_pRefLine, m_Cols); - m_DestBuf.AppendBlock(m_pLineBuf, dest_bitpos / 8); - last_byte = m_pLineBuf[dest_bitpos / 8]; - dest_bitpos %= 8; - FXSYS_memcpy(m_pRefLine, scan_line, m_Pitch); - } - if (dest_bitpos) { - m_DestBuf.AppendByte(last_byte); - } - dest_size = m_DestBuf.GetSize(); - dest_buf = m_DestBuf.DetachBuffer(); -} -FX_BOOL CCodec_FaxModule::Encode(const uint8_t* src_buf, - int width, - int height, - int pitch, - uint8_t*& dest_buf, - FX_DWORD& dest_size) { - CCodec_FaxEncoder encoder(src_buf, width, height, pitch); - encoder.Encode(dest_buf, dest_size); - return TRUE; -} -ICodec_ScanlineDecoder* CCodec_FaxModule::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) { - CCodec_FaxDecoder* pDecoder = new CCodec_FaxDecoder; - pDecoder->Create(src_buf, src_size, width, height, K, EndOfLine, - EncodedByteAlign, BlackIs1, Columns, Rows); - return pDecoder; -} diff --git a/core/src/fxcodec/codec/fx_codec_flate.cpp b/core/src/fxcodec/codec/fx_codec_flate.cpp deleted file mode 100644 index faffebda28..0000000000 --- a/core/src/fxcodec/codec/fx_codec_flate.cpp +++ /dev/null @@ -1,1007 +0,0 @@ -// 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 "core/src/fxcodec/codec/codec_int.h" - -#include <algorithm> -#include <memory> - -#include "core/include/fxcodec/fx_codec.h" -#include "core/include/fxcodec/fx_codec_flate.h" -#include "third_party/zlib_v128/zlib.h" - -extern "C" { -static void* my_alloc_func(void* opaque, - unsigned int items, - unsigned int size) { - return FX_Alloc2D(uint8_t, items, size); -} -static void my_free_func(void* opaque, void* address) { - FX_Free(address); -} -static int FPDFAPI_FlateGetTotalOut(void* context) { - return ((z_stream*)context)->total_out; -} -static int FPDFAPI_FlateGetTotalIn(void* context) { - return ((z_stream*)context)->total_in; -} -static void FPDFAPI_FlateCompress(unsigned char* dest_buf, - unsigned long* dest_size, - const unsigned char* src_buf, - unsigned long src_size) { - compress(dest_buf, dest_size, src_buf, src_size); -} -void* FPDFAPI_FlateInit(void* (*alloc_func)(void*, unsigned int, unsigned int), - void (*free_func)(void*, void*)) { - z_stream* p = (z_stream*)alloc_func(0, 1, sizeof(z_stream)); - if (!p) { - return NULL; - } - FXSYS_memset(p, 0, sizeof(z_stream)); - p->zalloc = alloc_func; - p->zfree = free_func; - inflateInit(p); - return p; -} -void FPDFAPI_FlateInput(void* context, - const unsigned char* src_buf, - unsigned int src_size) { - ((z_stream*)context)->next_in = (unsigned char*)src_buf; - ((z_stream*)context)->avail_in = src_size; -} -int FPDFAPI_FlateOutput(void* context, - unsigned char* dest_buf, - unsigned int dest_size) { - ((z_stream*)context)->next_out = dest_buf; - ((z_stream*)context)->avail_out = dest_size; - unsigned int pre_pos = (unsigned int)FPDFAPI_FlateGetTotalOut(context); - int ret = inflate((z_stream*)context, Z_SYNC_FLUSH); - unsigned int post_pos = (unsigned int)FPDFAPI_FlateGetTotalOut(context); - unsigned int written = post_pos - pre_pos; - if (written < dest_size) { - FXSYS_memset(dest_buf + written, '\0', dest_size - written); - } - return ret; -} -int FPDFAPI_FlateGetAvailIn(void* context) { - return ((z_stream*)context)->avail_in; -} -int FPDFAPI_FlateGetAvailOut(void* context) { - return ((z_stream*)context)->avail_out; -} -void FPDFAPI_FlateEnd(void* context) { - inflateEnd((z_stream*)context); - ((z_stream*)context)->zfree(0, context); -} -} // extern "C" - -namespace { - -class CLZWDecoder { - public: - int Decode(uint8_t* output, - FX_DWORD& outlen, - const uint8_t* input, - FX_DWORD& size, - FX_BOOL bEarlyChange); - - private: - void AddCode(FX_DWORD prefix_code, uint8_t append_char); - void DecodeString(FX_DWORD code); - - FX_DWORD m_InPos; - FX_DWORD m_OutPos; - uint8_t* m_pOutput; - const uint8_t* m_pInput; - FX_BOOL m_Early; - FX_DWORD m_CodeArray[5021]; - FX_DWORD m_nCodes; - uint8_t m_DecodeStack[4000]; - FX_DWORD m_StackLen; - int m_CodeLen; -}; -void CLZWDecoder::AddCode(FX_DWORD prefix_code, uint8_t append_char) { - if (m_nCodes + m_Early == 4094) { - return; - } - m_CodeArray[m_nCodes++] = (prefix_code << 16) | append_char; - if (m_nCodes + m_Early == 512 - 258) { - m_CodeLen = 10; - } else if (m_nCodes + m_Early == 1024 - 258) { - m_CodeLen = 11; - } else if (m_nCodes + m_Early == 2048 - 258) { - m_CodeLen = 12; - } -} -void CLZWDecoder::DecodeString(FX_DWORD code) { - while (1) { - int index = code - 258; - if (index < 0 || index >= (int)m_nCodes) { - break; - } - FX_DWORD data = m_CodeArray[index]; - if (m_StackLen >= sizeof(m_DecodeStack)) { - return; - } - m_DecodeStack[m_StackLen++] = (uint8_t)data; - code = data >> 16; - } - if (m_StackLen >= sizeof(m_DecodeStack)) { - return; - } - m_DecodeStack[m_StackLen++] = (uint8_t)code; -} -int CLZWDecoder::Decode(uint8_t* dest_buf, - FX_DWORD& dest_size, - const uint8_t* src_buf, - FX_DWORD& src_size, - FX_BOOL bEarlyChange) { - m_CodeLen = 9; - m_InPos = 0; - m_OutPos = 0; - m_pInput = src_buf; - m_pOutput = dest_buf; - m_Early = bEarlyChange ? 1 : 0; - m_nCodes = 0; - FX_DWORD old_code = (FX_DWORD)-1; - uint8_t last_char; - while (1) { - if (m_InPos + m_CodeLen > src_size * 8) { - break; - } - int byte_pos = m_InPos / 8; - int bit_pos = m_InPos % 8, bit_left = m_CodeLen; - FX_DWORD code = 0; - if (bit_pos) { - bit_left -= 8 - bit_pos; - code = (m_pInput[byte_pos++] & ((1 << (8 - bit_pos)) - 1)) << bit_left; - } - if (bit_left < 8) { - code |= m_pInput[byte_pos] >> (8 - bit_left); - } else { - bit_left -= 8; - code |= m_pInput[byte_pos++] << bit_left; - if (bit_left) { - code |= m_pInput[byte_pos] >> (8 - bit_left); - } - } - m_InPos += m_CodeLen; - if (code < 256) { - if (m_OutPos == dest_size) { - return -5; - } - if (m_pOutput) { - m_pOutput[m_OutPos] = (uint8_t)code; - } - m_OutPos++; - last_char = (uint8_t)code; - if (old_code != (FX_DWORD)-1) { - AddCode(old_code, last_char); - } - old_code = code; - } else if (code == 256) { - m_CodeLen = 9; - m_nCodes = 0; - old_code = (FX_DWORD)-1; - } else if (code == 257) { - break; - } else { - if (old_code == (FX_DWORD)-1) { - return 2; - } - m_StackLen = 0; - if (code >= m_nCodes + 258) { - if (m_StackLen < sizeof(m_DecodeStack)) { - m_DecodeStack[m_StackLen++] = last_char; - } - DecodeString(old_code); - } else { - DecodeString(code); - } - if (m_OutPos + m_StackLen > dest_size) { - return -5; - } - if (m_pOutput) { - for (FX_DWORD i = 0; i < m_StackLen; i++) { - m_pOutput[m_OutPos + i] = m_DecodeStack[m_StackLen - i - 1]; - } - } - m_OutPos += m_StackLen; - last_char = m_DecodeStack[m_StackLen - 1]; - if (old_code < 256) { - AddCode(old_code, last_char); - } else if (old_code - 258 >= m_nCodes) { - dest_size = m_OutPos; - src_size = (m_InPos + 7) / 8; - return 0; - } else { - AddCode(old_code, last_char); - } - old_code = code; - } - } - dest_size = m_OutPos; - src_size = (m_InPos + 7) / 8; - return 0; -} - -uint8_t PaethPredictor(int a, int b, int c) { - int p = a + b - c; - int pa = FXSYS_abs(p - a); - int pb = FXSYS_abs(p - b); - int pc = FXSYS_abs(p - c); - if (pa <= pb && pa <= pc) { - return (uint8_t)a; - } - if (pb <= pc) { - return (uint8_t)b; - } - return (uint8_t)c; -} - -FX_BOOL PNG_PredictorEncode(uint8_t*& data_buf, - FX_DWORD& data_size, - int predictor, - int Colors, - int BitsPerComponent, - int Columns) { - const int BytesPerPixel = (Colors * BitsPerComponent + 7) / 8; - const int row_size = (Colors * BitsPerComponent * Columns + 7) / 8; - if (row_size <= 0) - return FALSE; - const int row_count = (data_size + row_size - 1) / row_size; - const int last_row_size = data_size % row_size; - uint8_t* dest_buf = FX_Alloc2D(uint8_t, row_size + 1, row_count); - int byte_cnt = 0; - uint8_t* pSrcData = data_buf; - uint8_t* pDestData = dest_buf; - for (int row = 0; row < row_count; row++) { - if (predictor == 10) { - pDestData[0] = 0; - int move_size = row_size; - if (move_size * (row + 1) > (int)data_size) { - move_size = data_size - (move_size * row); - } - FXSYS_memmove(pDestData + 1, pSrcData, move_size); - pDestData += (move_size + 1); - pSrcData += move_size; - byte_cnt += move_size; - continue; - } - for (int byte = 0; byte < row_size && byte_cnt < (int)data_size; byte++) { - switch (predictor) { - case 11: { - pDestData[0] = 1; - uint8_t left = 0; - if (byte >= BytesPerPixel) { - left = pSrcData[byte - BytesPerPixel]; - } - pDestData[byte + 1] = pSrcData[byte] - left; - } break; - case 12: { - pDestData[0] = 2; - uint8_t up = 0; - if (row) { - up = pSrcData[byte - row_size]; - } - pDestData[byte + 1] = pSrcData[byte] - up; - } break; - case 13: { - pDestData[0] = 3; - uint8_t left = 0; - if (byte >= BytesPerPixel) { - left = pSrcData[byte - BytesPerPixel]; - } - uint8_t up = 0; - if (row) { - up = pSrcData[byte - row_size]; - } - pDestData[byte + 1] = pSrcData[byte] - (left + up) / 2; - } break; - case 14: { - pDestData[0] = 4; - uint8_t left = 0; - if (byte >= BytesPerPixel) { - left = pSrcData[byte - BytesPerPixel]; - } - uint8_t up = 0; - if (row) { - up = pSrcData[byte - row_size]; - } - uint8_t upper_left = 0; - if (byte >= BytesPerPixel && row) { - upper_left = pSrcData[byte - row_size - BytesPerPixel]; - } - pDestData[byte + 1] = - pSrcData[byte] - PaethPredictor(left, up, upper_left); - } break; - default: { pDestData[byte + 1] = pSrcData[byte]; } break; - } - byte_cnt++; - } - pDestData += (row_size + 1); - pSrcData += row_size; - } - FX_Free(data_buf); - data_buf = dest_buf; - data_size = (row_size + 1) * row_count - - (last_row_size > 0 ? (row_size - last_row_size) : 0); - return TRUE; -} - -void PNG_PredictLine(uint8_t* pDestData, - const uint8_t* pSrcData, - const uint8_t* pLastLine, - int bpc, - int nColors, - int nPixels) { - int row_size = (nPixels * bpc * nColors + 7) / 8; - int BytesPerPixel = (bpc * nColors + 7) / 8; - uint8_t tag = pSrcData[0]; - if (tag == 0) { - FXSYS_memmove(pDestData, pSrcData + 1, row_size); - return; - } - for (int byte = 0; byte < row_size; byte++) { - uint8_t raw_byte = pSrcData[byte + 1]; - switch (tag) { - case 1: { - uint8_t left = 0; - if (byte >= BytesPerPixel) { - left = pDestData[byte - BytesPerPixel]; - } - pDestData[byte] = raw_byte + left; - break; - } - case 2: { - uint8_t up = 0; - if (pLastLine) { - up = pLastLine[byte]; - } - pDestData[byte] = raw_byte + up; - break; - } - case 3: { - uint8_t left = 0; - if (byte >= BytesPerPixel) { - left = pDestData[byte - BytesPerPixel]; - } - uint8_t up = 0; - if (pLastLine) { - up = pLastLine[byte]; - } - pDestData[byte] = raw_byte + (up + left) / 2; - break; - } - case 4: { - uint8_t left = 0; - if (byte >= BytesPerPixel) { - left = pDestData[byte - BytesPerPixel]; - } - uint8_t up = 0; - if (pLastLine) { - up = pLastLine[byte]; - } - uint8_t upper_left = 0; - if (byte >= BytesPerPixel && pLastLine) { - upper_left = pLastLine[byte - BytesPerPixel]; - } - pDestData[byte] = raw_byte + PaethPredictor(left, up, upper_left); - break; - } - default: - pDestData[byte] = raw_byte; - break; - } - } -} - -FX_BOOL PNG_Predictor(uint8_t*& data_buf, - FX_DWORD& data_size, - int Colors, - int BitsPerComponent, - int Columns) { - const int BytesPerPixel = (Colors * BitsPerComponent + 7) / 8; - const int row_size = (Colors * BitsPerComponent * Columns + 7) / 8; - if (row_size <= 0) - return FALSE; - const int row_count = (data_size + row_size) / (row_size + 1); - if (row_count <= 0) - return FALSE; - const int last_row_size = data_size % (row_size + 1); - uint8_t* dest_buf = FX_Alloc2D(uint8_t, row_size, row_count); - int byte_cnt = 0; - uint8_t* pSrcData = data_buf; - uint8_t* pDestData = dest_buf; - for (int row = 0; row < row_count; row++) { - uint8_t tag = pSrcData[0]; - byte_cnt++; - if (tag == 0) { - int move_size = row_size; - if ((row + 1) * (move_size + 1) > (int)data_size) { - move_size = last_row_size - 1; - } - FXSYS_memmove(pDestData, pSrcData + 1, move_size); - pSrcData += move_size + 1; - pDestData += move_size; - byte_cnt += move_size; - continue; - } - for (int byte = 0; byte < row_size && byte_cnt < (int)data_size; byte++) { - uint8_t raw_byte = pSrcData[byte + 1]; - switch (tag) { - case 1: { - uint8_t left = 0; - if (byte >= BytesPerPixel) { - left = pDestData[byte - BytesPerPixel]; - } - pDestData[byte] = raw_byte + left; - break; - } - case 2: { - uint8_t up = 0; - if (row) { - up = pDestData[byte - row_size]; - } - pDestData[byte] = raw_byte + up; - break; - } - case 3: { - uint8_t left = 0; - if (byte >= BytesPerPixel) { - left = pDestData[byte - BytesPerPixel]; - } - uint8_t up = 0; - if (row) { - up = pDestData[byte - row_size]; - } - pDestData[byte] = raw_byte + (up + left) / 2; - break; - } - case 4: { - uint8_t left = 0; - if (byte >= BytesPerPixel) { - left = pDestData[byte - BytesPerPixel]; - } - uint8_t up = 0; - if (row) { - up = pDestData[byte - row_size]; - } - uint8_t upper_left = 0; - if (byte >= BytesPerPixel && row) { - upper_left = pDestData[byte - row_size - BytesPerPixel]; - } - pDestData[byte] = raw_byte + PaethPredictor(left, up, upper_left); - break; - } - default: - pDestData[byte] = raw_byte; - break; - } - byte_cnt++; - } - pSrcData += row_size + 1; - pDestData += row_size; - } - FX_Free(data_buf); - data_buf = dest_buf; - data_size = row_size * row_count - - (last_row_size > 0 ? (row_size + 1 - last_row_size) : 0); - return TRUE; -} - -void TIFF_PredictorEncodeLine(uint8_t* dest_buf, - int row_size, - int BitsPerComponent, - int Colors, - int Columns) { - int BytesPerPixel = BitsPerComponent * Colors / 8; - if (BitsPerComponent < 8) { - uint8_t mask = 0x01; - if (BitsPerComponent == 2) { - mask = 0x03; - } else if (BitsPerComponent == 4) { - mask = 0x0F; - } - int row_bits = Colors * BitsPerComponent * Columns; - for (int i = row_bits - BitsPerComponent; i >= BitsPerComponent; - i -= BitsPerComponent) { - int col = i % 8; - int index = i / 8; - int col_pre = - (col == 0) ? (8 - BitsPerComponent) : (col - BitsPerComponent); - int index_pre = (col == 0) ? (index - 1) : index; - uint8_t cur = (dest_buf[index] >> (8 - col - BitsPerComponent)) & mask; - uint8_t left = - (dest_buf[index_pre] >> (8 - col_pre - BitsPerComponent)) & mask; - cur -= left; - cur &= mask; - cur <<= (8 - col - BitsPerComponent); - dest_buf[index] &= ~(mask << ((8 - col - BitsPerComponent))); - dest_buf[index] |= cur; - } - } else if (BitsPerComponent == 8) { - for (int i = row_size - 1; i >= BytesPerPixel; i--) { - dest_buf[i] -= dest_buf[i - BytesPerPixel]; - } - } else { - for (int i = row_size - BytesPerPixel; i >= BytesPerPixel; - i -= BytesPerPixel) { - FX_WORD pixel = (dest_buf[i] << 8) | dest_buf[i + 1]; - pixel -= - (dest_buf[i - BytesPerPixel] << 8) | dest_buf[i - BytesPerPixel + 1]; - dest_buf[i] = pixel >> 8; - dest_buf[i + 1] = (uint8_t)pixel; - } - } -} - -FX_BOOL TIFF_PredictorEncode(uint8_t*& data_buf, - FX_DWORD& data_size, - int Colors, - int BitsPerComponent, - int Columns) { - int row_size = (Colors * BitsPerComponent * Columns + 7) / 8; - if (row_size == 0) - return FALSE; - const int row_count = (data_size + row_size - 1) / row_size; - const int last_row_size = data_size % row_size; - for (int row = 0; row < row_count; row++) { - uint8_t* scan_line = data_buf + row * row_size; - if ((row + 1) * row_size > (int)data_size) { - row_size = last_row_size; - } - TIFF_PredictorEncodeLine(scan_line, row_size, BitsPerComponent, Colors, - Columns); - } - return TRUE; -} - -void TIFF_PredictLine(uint8_t* dest_buf, - FX_DWORD row_size, - int BitsPerComponent, - int Colors, - int Columns) { - if (BitsPerComponent == 1) { - int row_bits = std::min(BitsPerComponent * Colors * Columns, - pdfium::base::checked_cast<int>(row_size * 8)); - int index_pre = 0; - int col_pre = 0; - for (int i = 1; i < row_bits; i++) { - int col = i % 8; - int index = i / 8; - if (((dest_buf[index] >> (7 - col)) & 1) ^ - ((dest_buf[index_pre] >> (7 - col_pre)) & 1)) { - dest_buf[index] |= 1 << (7 - col); - } else { - dest_buf[index] &= ~(1 << (7 - col)); - } - index_pre = index; - col_pre = col; - } - return; - } - int BytesPerPixel = BitsPerComponent * Colors / 8; - if (BitsPerComponent == 16) { - for (FX_DWORD i = BytesPerPixel; i < row_size; i += 2) { - FX_WORD pixel = - (dest_buf[i - BytesPerPixel] << 8) | dest_buf[i - BytesPerPixel + 1]; - pixel += (dest_buf[i] << 8) | dest_buf[i + 1]; - dest_buf[i] = pixel >> 8; - dest_buf[i + 1] = (uint8_t)pixel; - } - } else { - for (FX_DWORD i = BytesPerPixel; i < row_size; i++) { - dest_buf[i] += dest_buf[i - BytesPerPixel]; - } - } -} - -FX_BOOL TIFF_Predictor(uint8_t*& data_buf, - FX_DWORD& data_size, - int Colors, - int BitsPerComponent, - int Columns) { - int row_size = (Colors * BitsPerComponent * Columns + 7) / 8; - if (row_size == 0) - return FALSE; - const int row_count = (data_size + row_size - 1) / row_size; - const int last_row_size = data_size % row_size; - for (int row = 0; row < row_count; row++) { - uint8_t* scan_line = data_buf + row * row_size; - if ((row + 1) * row_size > (int)data_size) { - row_size = last_row_size; - } - TIFF_PredictLine(scan_line, row_size, BitsPerComponent, Colors, Columns); - } - return TRUE; -} - -void FlateUncompress(const uint8_t* src_buf, - FX_DWORD src_size, - FX_DWORD orig_size, - uint8_t*& dest_buf, - FX_DWORD& dest_size, - FX_DWORD& offset) { - FX_DWORD guess_size = orig_size ? orig_size : src_size * 2; - const FX_DWORD kStepSize = 10240; - FX_DWORD alloc_step = orig_size ? kStepSize : std::min(src_size, kStepSize); - static const FX_DWORD kMaxInitialAllocSize = 10000000; - if (guess_size > kMaxInitialAllocSize) { - guess_size = kMaxInitialAllocSize; - alloc_step = kMaxInitialAllocSize; - } - FX_DWORD buf_size = guess_size; - FX_DWORD last_buf_size = buf_size; - - dest_buf = nullptr; - dest_size = 0; - void* context = FPDFAPI_FlateInit(my_alloc_func, my_free_func); - if (!context) - return; - - std::unique_ptr<uint8_t, FxFreeDeleter> guess_buf( - FX_Alloc(uint8_t, guess_size + 1)); - guess_buf.get()[guess_size] = '\0'; - - FPDFAPI_FlateInput(context, src_buf, src_size); - - if (src_size < kStepSize) { - // This is the old implementation. - uint8_t* cur_buf = guess_buf.get(); - while (1) { - int32_t ret = FPDFAPI_FlateOutput(context, cur_buf, buf_size); - if (ret != Z_OK) - break; - int32_t avail_buf_size = FPDFAPI_FlateGetAvailOut(context); - if (avail_buf_size != 0) - break; - - FX_DWORD old_size = guess_size; - guess_size += alloc_step; - if (guess_size < old_size || guess_size + 1 < guess_size) { - FPDFAPI_FlateEnd(context); - return; - } - - { - uint8_t* new_buf = - FX_Realloc(uint8_t, guess_buf.release(), guess_size + 1); - guess_buf.reset(new_buf); - } - guess_buf.get()[guess_size] = '\0'; - cur_buf = guess_buf.get() + old_size; - buf_size = guess_size - old_size; - } - dest_size = FPDFAPI_FlateGetTotalOut(context); - offset = FPDFAPI_FlateGetTotalIn(context); - if (guess_size / 2 > dest_size) { - { - uint8_t* new_buf = - FX_Realloc(uint8_t, guess_buf.release(), dest_size + 1); - guess_buf.reset(new_buf); - } - guess_size = dest_size; - guess_buf.get()[guess_size] = '\0'; - } - dest_buf = guess_buf.release(); - } else { - CFX_ArrayTemplate<uint8_t*> result_tmp_bufs; - uint8_t* cur_buf = guess_buf.release(); - while (1) { - int32_t ret = FPDFAPI_FlateOutput(context, cur_buf, buf_size); - int32_t avail_buf_size = FPDFAPI_FlateGetAvailOut(context); - if (ret != Z_OK) { - last_buf_size = buf_size - avail_buf_size; - result_tmp_bufs.Add(cur_buf); - break; - } - if (avail_buf_size != 0) { - last_buf_size = buf_size - avail_buf_size; - result_tmp_bufs.Add(cur_buf); - break; - } - - result_tmp_bufs.Add(cur_buf); - cur_buf = FX_Alloc(uint8_t, buf_size + 1); - cur_buf[buf_size] = '\0'; - } - dest_size = FPDFAPI_FlateGetTotalOut(context); - offset = FPDFAPI_FlateGetTotalIn(context); - if (result_tmp_bufs.GetSize() == 1) { - dest_buf = result_tmp_bufs[0]; - } else { - uint8_t* result_buf = FX_Alloc(uint8_t, dest_size); - FX_DWORD result_pos = 0; - for (int32_t i = 0; i < result_tmp_bufs.GetSize(); i++) { - uint8_t* tmp_buf = result_tmp_bufs[i]; - FX_DWORD tmp_buf_size = buf_size; - if (i == result_tmp_bufs.GetSize() - 1) { - tmp_buf_size = last_buf_size; - } - FXSYS_memcpy(result_buf + result_pos, tmp_buf, tmp_buf_size); - result_pos += tmp_buf_size; - FX_Free(result_tmp_bufs[i]); - } - dest_buf = result_buf; - } - } - FPDFAPI_FlateEnd(context); -} - -} // namespace - -class CCodec_FlateScanlineDecoder : public CCodec_ScanlineDecoder { - public: - CCodec_FlateScanlineDecoder(); - ~CCodec_FlateScanlineDecoder() override; - - void Create(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); - void Destroy() { delete this; } - - // CCodec_ScanlineDecoder - void v_DownScale(int dest_width, int dest_height) override {} - FX_BOOL v_Rewind() override; - uint8_t* v_GetNextLine() override; - FX_DWORD GetSrcOffset() override; - - void* m_pFlate; - const uint8_t* m_SrcBuf; - FX_DWORD m_SrcSize; - uint8_t* m_pScanline; - uint8_t* m_pLastLine; - uint8_t* m_pPredictBuffer; - uint8_t* m_pPredictRaw; - int m_Predictor; - int m_Colors; - int m_BitsPerComponent; - int m_Columns; - FX_DWORD m_PredictPitch; - size_t m_LeftOver; -}; - -CCodec_FlateScanlineDecoder::CCodec_FlateScanlineDecoder() { - m_pFlate = NULL; - m_pScanline = NULL; - m_pLastLine = NULL; - m_pPredictBuffer = NULL; - m_pPredictRaw = NULL; - m_LeftOver = 0; -} -CCodec_FlateScanlineDecoder::~CCodec_FlateScanlineDecoder() { - FX_Free(m_pScanline); - FX_Free(m_pLastLine); - FX_Free(m_pPredictBuffer); - FX_Free(m_pPredictRaw); - if (m_pFlate) { - FPDFAPI_FlateEnd(m_pFlate); - } -} -void CCodec_FlateScanlineDecoder::Create(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) { - m_SrcBuf = src_buf; - m_SrcSize = src_size; - m_OutputWidth = m_OrigWidth = width; - m_OutputHeight = m_OrigHeight = height; - m_nComps = nComps; - m_bpc = bpc; - m_bColorTransformed = FALSE; - m_Pitch = (static_cast<FX_DWORD>(width) * nComps * bpc + 7) / 8; - m_pScanline = FX_Alloc(uint8_t, m_Pitch); - m_Predictor = 0; - if (predictor) { - if (predictor >= 10) { - m_Predictor = 2; - } else if (predictor == 2) { - m_Predictor = 1; - } - if (m_Predictor) { - if (BitsPerComponent * Colors * Columns == 0) { - BitsPerComponent = m_bpc; - Colors = m_nComps; - Columns = m_OrigWidth; - } - m_Colors = Colors; - m_BitsPerComponent = BitsPerComponent; - m_Columns = Columns; - m_PredictPitch = - (static_cast<FX_DWORD>(m_BitsPerComponent) * m_Colors * m_Columns + - 7) / - 8; - m_pLastLine = FX_Alloc(uint8_t, m_PredictPitch); - m_pPredictRaw = FX_Alloc(uint8_t, m_PredictPitch + 1); - m_pPredictBuffer = FX_Alloc(uint8_t, m_PredictPitch); - } - } -} -FX_BOOL CCodec_FlateScanlineDecoder::v_Rewind() { - if (m_pFlate) { - FPDFAPI_FlateEnd(m_pFlate); - } - m_pFlate = FPDFAPI_FlateInit(my_alloc_func, my_free_func); - if (!m_pFlate) { - return FALSE; - } - FPDFAPI_FlateInput(m_pFlate, m_SrcBuf, m_SrcSize); - m_LeftOver = 0; - return TRUE; -} -uint8_t* CCodec_FlateScanlineDecoder::v_GetNextLine() { - if (m_Predictor) { - if (m_Pitch == m_PredictPitch) { - if (m_Predictor == 2) { - FPDFAPI_FlateOutput(m_pFlate, m_pPredictRaw, m_PredictPitch + 1); - PNG_PredictLine(m_pScanline, m_pPredictRaw, m_pLastLine, - m_BitsPerComponent, m_Colors, m_Columns); - FXSYS_memcpy(m_pLastLine, m_pScanline, m_PredictPitch); - } else { - FPDFAPI_FlateOutput(m_pFlate, m_pScanline, m_Pitch); - TIFF_PredictLine(m_pScanline, m_PredictPitch, m_bpc, m_nComps, - m_OutputWidth); - } - } else { - size_t bytes_to_go = m_Pitch; - size_t read_leftover = - m_LeftOver > bytes_to_go ? bytes_to_go : m_LeftOver; - if (read_leftover) { - FXSYS_memcpy(m_pScanline, - m_pPredictBuffer + m_PredictPitch - m_LeftOver, - read_leftover); - m_LeftOver -= read_leftover; - bytes_to_go -= read_leftover; - } - while (bytes_to_go) { - if (m_Predictor == 2) { - FPDFAPI_FlateOutput(m_pFlate, m_pPredictRaw, m_PredictPitch + 1); - PNG_PredictLine(m_pPredictBuffer, m_pPredictRaw, m_pLastLine, - m_BitsPerComponent, m_Colors, m_Columns); - FXSYS_memcpy(m_pLastLine, m_pPredictBuffer, m_PredictPitch); - } else { - FPDFAPI_FlateOutput(m_pFlate, m_pPredictBuffer, m_PredictPitch); - TIFF_PredictLine(m_pPredictBuffer, m_PredictPitch, m_BitsPerComponent, - m_Colors, m_Columns); - } - size_t read_bytes = - m_PredictPitch > bytes_to_go ? bytes_to_go : m_PredictPitch; - FXSYS_memcpy(m_pScanline + m_Pitch - bytes_to_go, m_pPredictBuffer, - read_bytes); - m_LeftOver += m_PredictPitch - read_bytes; - bytes_to_go -= read_bytes; - } - } - } else { - FPDFAPI_FlateOutput(m_pFlate, m_pScanline, m_Pitch); - } - return m_pScanline; -} -FX_DWORD CCodec_FlateScanlineDecoder::GetSrcOffset() { - return FPDFAPI_FlateGetTotalIn(m_pFlate); -} - -ICodec_ScanlineDecoder* CCodec_FlateModule::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) { - CCodec_FlateScanlineDecoder* pDecoder = new CCodec_FlateScanlineDecoder; - pDecoder->Create(src_buf, src_size, width, height, nComps, bpc, predictor, - Colors, BitsPerComponent, Columns); - return pDecoder; -} -FX_DWORD CCodec_FlateModule::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) { - dest_buf = NULL; - FX_DWORD offset = 0; - int predictor_type = 0; - if (predictor) { - if (predictor >= 10) { - predictor_type = 2; - } else if (predictor == 2) { - predictor_type = 1; - } - } - if (bLZW) { - { - std::unique_ptr<CLZWDecoder> decoder(new CLZWDecoder); - dest_size = (FX_DWORD)-1; - offset = src_size; - int err = decoder->Decode(NULL, dest_size, src_buf, offset, bEarlyChange); - if (err || dest_size == 0 || dest_size + 1 < dest_size) { - return -1; - } - } - { - std::unique_ptr<CLZWDecoder> decoder(new CLZWDecoder); - dest_buf = FX_Alloc(uint8_t, dest_size + 1); - dest_buf[dest_size] = '\0'; - decoder->Decode(dest_buf, dest_size, src_buf, offset, bEarlyChange); - } - } else { - FlateUncompress(src_buf, src_size, estimated_size, dest_buf, dest_size, - offset); - } - if (predictor_type == 0) { - return offset; - } - FX_BOOL ret = TRUE; - if (predictor_type == 2) { - ret = PNG_Predictor(dest_buf, dest_size, Colors, BitsPerComponent, Columns); - } else if (predictor_type == 1) { - ret = - TIFF_Predictor(dest_buf, dest_size, Colors, BitsPerComponent, Columns); - } - return ret ? offset : -1; -} -FX_BOOL CCodec_FlateModule::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) { - if (predictor != 2 && predictor < 10) { - return Encode(src_buf, src_size, dest_buf, dest_size); - } - uint8_t* pSrcBuf = NULL; - pSrcBuf = FX_Alloc(uint8_t, src_size); - FXSYS_memcpy(pSrcBuf, src_buf, src_size); - FX_BOOL ret = TRUE; - if (predictor == 2) { - ret = TIFF_PredictorEncode(pSrcBuf, src_size, Colors, BitsPerComponent, - Columns); - } else if (predictor >= 10) { - ret = PNG_PredictorEncode(pSrcBuf, src_size, predictor, Colors, - BitsPerComponent, Columns); - } - if (ret) - ret = Encode(pSrcBuf, src_size, dest_buf, dest_size); - FX_Free(pSrcBuf); - return ret; -} -FX_BOOL CCodec_FlateModule::Encode(const uint8_t* src_buf, - FX_DWORD src_size, - uint8_t*& dest_buf, - FX_DWORD& dest_size) { - dest_size = src_size + src_size / 1000 + 12; - dest_buf = FX_Alloc(uint8_t, dest_size); - unsigned long temp_size = dest_size; - FPDFAPI_FlateCompress(dest_buf, &temp_size, src_buf, src_size); - dest_size = (FX_DWORD)temp_size; - return TRUE; -} diff --git a/core/src/fxcodec/codec/fx_codec_gif.cpp b/core/src/fxcodec/codec/fx_codec_gif.cpp deleted file mode 100644 index 661732fb3f..0000000000 --- a/core/src/fxcodec/codec/fx_codec_gif.cpp +++ /dev/null @@ -1,187 +0,0 @@ -// 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 "core/include/fxcodec/fx_codec.h" -#include "core/include/fxge/fx_dib.h" -#include "core/src/fxcodec/codec/codec_int.h" -#include "core/src/fxcodec/lgif/fx_gif.h" -struct FXGIF_Context { - gif_decompress_struct_p gif_ptr; - void* parent_ptr; - void* child_ptr; - - void* (*m_AllocFunc)(unsigned int); - void (*m_FreeFunc)(void*); -}; -extern "C" { -static void* gif_alloc_func(unsigned int size) { - return FX_Alloc(char, size); -} -static void gif_free_func(void* p) { - FX_Free(p); -} -}; -static void gif_error_data(gif_decompress_struct_p gif_ptr, - const FX_CHAR* err_msg) { - FXSYS_strncpy((char*)gif_ptr->err_ptr, err_msg, GIF_MAX_ERROR_SIZE - 1); - longjmp(gif_ptr->jmpbuf, 1); -} -static uint8_t* gif_ask_buf_for_pal(gif_decompress_struct_p gif_ptr, - int32_t pal_size) { - FXGIF_Context* p = (FXGIF_Context*)gif_ptr->context_ptr; - CCodec_GifModule* pModule = (CCodec_GifModule*)p->parent_ptr; - return pModule->AskLocalPaletteBufCallback( - p->child_ptr, gif_get_frame_num(gif_ptr), pal_size); -} -static void gif_record_current_position(gif_decompress_struct_p gif_ptr, - FX_DWORD* cur_pos_ptr) { - FXGIF_Context* p = (FXGIF_Context*)gif_ptr->context_ptr; - CCodec_GifModule* pModule = (CCodec_GifModule*)p->parent_ptr; - pModule->RecordCurrentPositionCallback(p->child_ptr, *cur_pos_ptr); -} -static void gif_read_scanline(gif_decompress_struct_p gif_ptr, - int32_t row_num, - uint8_t* row_buf) { - FXGIF_Context* p = (FXGIF_Context*)gif_ptr->context_ptr; - CCodec_GifModule* pModule = (CCodec_GifModule*)p->parent_ptr; - pModule->ReadScanlineCallback(p->child_ptr, row_num, row_buf); -} -static FX_BOOL gif_get_record_position(gif_decompress_struct_p gif_ptr, - FX_DWORD cur_pos, - int32_t left, - int32_t top, - int32_t width, - int32_t height, - int32_t pal_num, - void* pal_ptr, - int32_t delay_time, - FX_BOOL user_input, - int32_t trans_index, - int32_t disposal_method, - FX_BOOL interlace) { - FXGIF_Context* p = (FXGIF_Context*)gif_ptr->context_ptr; - CCodec_GifModule* pModule = (CCodec_GifModule*)p->parent_ptr; - return pModule->InputRecordPositionBufCallback( - p->child_ptr, cur_pos, FX_RECT(left, top, left + width, top + height), - pal_num, pal_ptr, delay_time, user_input, trans_index, disposal_method, - interlace); -} -void* CCodec_GifModule::Start(void* pModule) { - FXGIF_Context* p = (FXGIF_Context*)FX_Alloc(uint8_t, sizeof(FXGIF_Context)); - if (p == NULL) { - return NULL; - } - FXSYS_memset(p, 0, sizeof(FXGIF_Context)); - p->m_AllocFunc = gif_alloc_func; - p->m_FreeFunc = gif_free_func; - p->gif_ptr = NULL; - p->parent_ptr = (void*)this; - p->child_ptr = pModule; - p->gif_ptr = gif_create_decompress(); - if (p->gif_ptr == NULL) { - FX_Free(p); - return NULL; - } - p->gif_ptr->context_ptr = (void*)p; - p->gif_ptr->err_ptr = m_szLastError; - p->gif_ptr->gif_error_fn = gif_error_data; - p->gif_ptr->gif_ask_buf_for_pal_fn = gif_ask_buf_for_pal; - p->gif_ptr->gif_record_current_position_fn = gif_record_current_position; - p->gif_ptr->gif_get_row_fn = gif_read_scanline; - p->gif_ptr->gif_get_record_position_fn = gif_get_record_position; - return p; -} -void CCodec_GifModule::Finish(void* pContext) { - FXGIF_Context* p = (FXGIF_Context*)pContext; - if (p) { - gif_destroy_decompress(&p->gif_ptr); - p->m_FreeFunc(p); - } -} -int32_t CCodec_GifModule::ReadHeader(void* pContext, - int* width, - int* height, - int* pal_num, - void** pal_pp, - int* bg_index, - CFX_DIBAttribute* pAttribute) { - FXGIF_Context* p = (FXGIF_Context*)pContext; - if (setjmp(p->gif_ptr->jmpbuf)) { - return 0; - } - int32_t ret = gif_read_header(p->gif_ptr); - if (ret != 1) { - return ret; - } - if (pAttribute) { - } - *width = p->gif_ptr->width; - *height = p->gif_ptr->height; - *pal_num = p->gif_ptr->global_pal_num; - *pal_pp = p->gif_ptr->global_pal_ptr; - *bg_index = p->gif_ptr->bc_index; - return 1; -} -int32_t CCodec_GifModule::LoadFrameInfo(void* pContext, int* frame_num) { - FXGIF_Context* p = (FXGIF_Context*)pContext; - if (setjmp(p->gif_ptr->jmpbuf)) { - return 0; - } - int32_t ret = gif_get_frame(p->gif_ptr); - if (ret != 1) { - return ret; - } - *frame_num = gif_get_frame_num(p->gif_ptr); - return 1; -} -int32_t CCodec_GifModule::LoadFrame(void* pContext, - int frame_num, - CFX_DIBAttribute* pAttribute) { - FXGIF_Context* p = (FXGIF_Context*)pContext; - if (setjmp(p->gif_ptr->jmpbuf)) { - return 0; - } - int32_t ret = gif_load_frame(p->gif_ptr, frame_num); - if (ret == 1) { - if (pAttribute) { - pAttribute->m_nGifLeft = - p->gif_ptr->img_ptr_arr_ptr->GetAt(frame_num)->image_info_ptr->left; - pAttribute->m_nGifTop = - p->gif_ptr->img_ptr_arr_ptr->GetAt(frame_num)->image_info_ptr->top; - pAttribute->m_fAspectRatio = p->gif_ptr->pixel_aspect; - if (p->gif_ptr->cmt_data_ptr) { - const uint8_t* buf = - (const uint8_t*)p->gif_ptr->cmt_data_ptr->GetBuffer(0); - FX_DWORD len = p->gif_ptr->cmt_data_ptr->GetLength(); - if (len > 21) { - uint8_t size = *buf++; - if (size) { - pAttribute->m_strAuthor = CFX_ByteString(buf, size); - } else { - pAttribute->m_strAuthor.Empty(); - } - buf += size; - size = *buf++; - if (size == 20) { - FXSYS_memcpy(pAttribute->m_strTime, buf, size); - } - } - } - } - } - return ret; -} -FX_DWORD CCodec_GifModule::GetAvailInput(void* pContext, - uint8_t** avial_buf_ptr) { - FXGIF_Context* p = (FXGIF_Context*)pContext; - return gif_get_avail_input(p->gif_ptr, avial_buf_ptr); -} -void CCodec_GifModule::Input(void* pContext, - const uint8_t* src_buf, - FX_DWORD src_size) { - FXGIF_Context* p = (FXGIF_Context*)pContext; - gif_input_buffer(p->gif_ptr, (uint8_t*)src_buf, src_size); -} diff --git a/core/src/fxcodec/codec/fx_codec_icc.cpp b/core/src/fxcodec/codec/fx_codec_icc.cpp deleted file mode 100644 index ebec0b0a34..0000000000 --- a/core/src/fxcodec/codec/fx_codec_icc.cpp +++ /dev/null @@ -1,1986 +0,0 @@ -// 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 "core/include/fxcodec/fx_codec.h" -#include "core/src/fxcodec/codec/codec_int.h" -#include "third_party/lcms2-2.6/include/lcms2.h" - -const FX_DWORD N_COMPONENT_LAB = 3; -const FX_DWORD N_COMPONENT_GRAY = 1; -const FX_DWORD N_COMPONENT_RGB = 3; -const FX_DWORD N_COMPONENT_CMYK = 4; -const FX_DWORD N_COMPONENT_DEFAULT = 3; - -FX_BOOL MD5ComputeID(const void* buf, FX_DWORD dwSize, uint8_t ID[16]) { - return cmsMD5computeIDExt(buf, dwSize, ID); -} -struct CLcmsCmm { - cmsHTRANSFORM m_hTransform; - int m_nSrcComponents; - int m_nDstComponents; - FX_BOOL m_bLab; -}; -extern "C" { -int ourHandler(int ErrorCode, const char* ErrorText) { - return TRUE; -} -}; -FX_BOOL CheckComponents(cmsColorSpaceSignature cs, - int nComponents, - FX_BOOL bDst) { - if (nComponents <= 0 || nComponents > 15) { - return FALSE; - } - switch (cs) { - case cmsSigLabData: - if (nComponents < 3) { - return FALSE; - } - break; - case cmsSigGrayData: - if (bDst && nComponents != 1) { - return FALSE; - } - if (!bDst && nComponents > 2) { - return FALSE; - } - break; - case cmsSigRgbData: - if (bDst && nComponents != 3) { - return FALSE; - } - break; - case cmsSigCmykData: - if (bDst && nComponents != 4) { - return FALSE; - } - break; - default: - if (nComponents != 3) { - return FALSE; - } - break; - } - return TRUE; -} - -FX_DWORD GetCSComponents(cmsColorSpaceSignature cs) { - FX_DWORD components; - switch (cs) { - case cmsSigLabData: - components = N_COMPONENT_LAB; - break; - case cmsSigGrayData: - components = N_COMPONENT_GRAY; - break; - case cmsSigRgbData: - components = N_COMPONENT_RGB; - break; - case cmsSigCmykData: - components = N_COMPONENT_CMYK; - break; - default: - components = N_COMPONENT_DEFAULT; - break; - } - return components; -} - -void* IccLib_CreateTransform(const unsigned char* pSrcProfileData, - FX_DWORD dwSrcProfileSize, - FX_DWORD& nSrcComponents, - const unsigned char* pDstProfileData, - FX_DWORD dwDstProfileSize, - int32_t nDstComponents, - int intent, - FX_DWORD dwSrcFormat = Icc_FORMAT_DEFAULT, - FX_DWORD dwDstFormat = Icc_FORMAT_DEFAULT) { - cmsHPROFILE srcProfile = NULL; - cmsHPROFILE dstProfile = NULL; - cmsHTRANSFORM hTransform = NULL; - CLcmsCmm* pCmm = NULL; - nSrcComponents = 0; - srcProfile = cmsOpenProfileFromMem((void*)pSrcProfileData, dwSrcProfileSize); - if (!srcProfile) { - return NULL; - } - if (!pDstProfileData && dwDstProfileSize == 0 && nDstComponents == 3) { - dstProfile = cmsCreate_sRGBProfile(); - } else { - dstProfile = - cmsOpenProfileFromMem((void*)pDstProfileData, dwDstProfileSize); - } - if (!dstProfile) { - cmsCloseProfile(srcProfile); - return NULL; - } - int srcFormat; - FX_BOOL bLab = FALSE; - cmsColorSpaceSignature srcCS = cmsGetColorSpace(srcProfile); - nSrcComponents = GetCSComponents(srcCS); - if (srcCS == cmsSigLabData) { - srcFormat = - COLORSPACE_SH(PT_Lab) | CHANNELS_SH(nSrcComponents) | BYTES_SH(0); - bLab = TRUE; - } else { - srcFormat = - COLORSPACE_SH(PT_ANY) | CHANNELS_SH(nSrcComponents) | BYTES_SH(1); - if (srcCS == cmsSigRgbData && T_DOSWAP(dwSrcFormat)) { - srcFormat |= DOSWAP_SH(1); - } - } - cmsColorSpaceSignature dstCS = cmsGetColorSpace(dstProfile); - if (!CheckComponents(dstCS, nDstComponents, TRUE)) { - cmsCloseProfile(srcProfile); - cmsCloseProfile(dstProfile); - return NULL; - } - switch (dstCS) { - case cmsSigGrayData: - hTransform = cmsCreateTransform(srcProfile, srcFormat, dstProfile, - TYPE_GRAY_8, intent, 0); - break; - case cmsSigRgbData: - hTransform = cmsCreateTransform(srcProfile, srcFormat, dstProfile, - TYPE_BGR_8, intent, 0); - break; - case cmsSigCmykData: - hTransform = cmsCreateTransform( - srcProfile, srcFormat, dstProfile, - T_DOSWAP(dwDstFormat) ? TYPE_KYMC_8 : TYPE_CMYK_8, intent, 0); - break; - default: - break; - } - if (!hTransform) { - cmsCloseProfile(srcProfile); - cmsCloseProfile(dstProfile); - return NULL; - } - pCmm = new CLcmsCmm; - pCmm->m_nSrcComponents = nSrcComponents; - pCmm->m_nDstComponents = nDstComponents; - pCmm->m_hTransform = hTransform; - pCmm->m_bLab = bLab; - cmsCloseProfile(srcProfile); - cmsCloseProfile(dstProfile); - return pCmm; -} -void* IccLib_CreateTransform_sRGB(const unsigned char* pProfileData, - FX_DWORD dwProfileSize, - FX_DWORD& nComponents, - int32_t intent, - FX_DWORD dwSrcFormat) { - return IccLib_CreateTransform(pProfileData, dwProfileSize, nComponents, NULL, - 0, 3, intent, dwSrcFormat); -} -void IccLib_DestroyTransform(void* pTransform) { - if (!pTransform) { - return; - } - cmsDeleteTransform(((CLcmsCmm*)pTransform)->m_hTransform); - delete (CLcmsCmm*)pTransform; -} -void IccLib_Translate(void* pTransform, - FX_DWORD nSrcComponents, - FX_FLOAT* pSrcValues, - FX_FLOAT* pDestValues) { - if (!pTransform) { - return; - } - CLcmsCmm* p = (CLcmsCmm*)pTransform; - uint8_t output[4]; - if (p->m_bLab) { - CFX_FixedBufGrow<double, 16> inputs(nSrcComponents); - double* input = inputs; - for (FX_DWORD i = 0; i < nSrcComponents; i++) { - input[i] = pSrcValues[i]; - } - cmsDoTransform(p->m_hTransform, input, output, 1); - } else { - CFX_FixedBufGrow<uint8_t, 16> inputs(nSrcComponents); - uint8_t* input = inputs; - for (FX_DWORD i = 0; i < nSrcComponents; i++) { - if (pSrcValues[i] > 1.0f) { - input[i] = 255; - } else if (pSrcValues[i] < 0) { - input[i] = 0; - } else { - input[i] = (int)(pSrcValues[i] * 255.0f); - } - } - cmsDoTransform(p->m_hTransform, input, output, 1); - } - switch (p->m_nDstComponents) { - case 1: - pDestValues[0] = output[0] / 255.0f; - break; - case 3: - pDestValues[0] = output[2] / 255.0f; - pDestValues[1] = output[1] / 255.0f; - pDestValues[2] = output[0] / 255.0f; - break; - case 4: - pDestValues[0] = output[0] / 255.0f; - pDestValues[1] = output[1] / 255.0f; - pDestValues[2] = output[2] / 255.0f; - pDestValues[3] = output[3] / 255.0f; - break; - } -} -void IccLib_TranslateImage(void* pTransform, - unsigned char* pDest, - const unsigned char* pSrc, - int32_t pixels) { - cmsDoTransform(((CLcmsCmm*)pTransform)->m_hTransform, (void*)pSrc, pDest, - pixels); -} -void* CreateProfile_Gray(double gamma) { - cmsCIExyY* D50 = (cmsCIExyY*)cmsD50_xyY(); - if (!cmsWhitePointFromTemp(D50, 6504)) { - return NULL; - } - cmsToneCurve* curve = cmsBuildGamma(NULL, gamma); - if (!curve) { - return NULL; - } - void* profile = cmsCreateGrayProfile(D50, curve); - cmsFreeToneCurve(curve); - return profile; -} -ICodec_IccModule::IccCS GetProfileCSFromHandle(void* pProfile) { - if (!pProfile) { - return ICodec_IccModule::IccCS_Unknown; - } - switch (cmsGetColorSpace(pProfile)) { - case cmsSigXYZData: - return ICodec_IccModule::IccCS_XYZ; - case cmsSigLabData: - return ICodec_IccModule::IccCS_Lab; - case cmsSigLuvData: - return ICodec_IccModule::IccCS_Luv; - case cmsSigYCbCrData: - return ICodec_IccModule::IccCS_YCbCr; - case cmsSigYxyData: - return ICodec_IccModule::IccCS_Yxy; - case cmsSigRgbData: - return ICodec_IccModule::IccCS_Rgb; - case cmsSigGrayData: - return ICodec_IccModule::IccCS_Gray; - case cmsSigHsvData: - return ICodec_IccModule::IccCS_Hsv; - case cmsSigHlsData: - return ICodec_IccModule::IccCS_Hls; - case cmsSigCmykData: - return ICodec_IccModule::IccCS_Cmyk; - case cmsSigCmyData: - return ICodec_IccModule::IccCS_Cmy; - default: - return ICodec_IccModule::IccCS_Unknown; - } -} -ICodec_IccModule::IccCS CCodec_IccModule::GetProfileCS( - const uint8_t* pProfileData, - FX_DWORD dwProfileSize) { - ICodec_IccModule::IccCS cs; - cmsHPROFILE hProfile = - cmsOpenProfileFromMem((void*)pProfileData, dwProfileSize); - if (!hProfile) { - return IccCS_Unknown; - } - cs = GetProfileCSFromHandle(hProfile); - if (hProfile) { - cmsCloseProfile(hProfile); - } - return cs; -} -ICodec_IccModule::IccCS CCodec_IccModule::GetProfileCS(IFX_FileRead* pFile) { - if (!pFile) { - return IccCS_Unknown; - } - ICodec_IccModule::IccCS cs; - FX_DWORD dwSize = (FX_DWORD)pFile->GetSize(); - uint8_t* pBuf = FX_Alloc(uint8_t, dwSize); - pFile->ReadBlock(pBuf, 0, dwSize); - cs = GetProfileCS(pBuf, dwSize); - FX_Free(pBuf); - return cs; -} -FX_DWORD TransferProfileType(void* pProfile, FX_DWORD dwFormat) { - cmsColorSpaceSignature cs = cmsGetColorSpace(pProfile); - switch (cs) { - case cmsSigXYZData: - return TYPE_XYZ_16; - case cmsSigLabData: - return TYPE_Lab_DBL; - case cmsSigLuvData: - return TYPE_YUV_8; - case cmsSigYCbCrData: - return TYPE_YCbCr_8; - case cmsSigYxyData: - return TYPE_Yxy_16; - case cmsSigRgbData: - return T_DOSWAP(dwFormat) ? TYPE_RGB_8 : TYPE_BGR_8; - case cmsSigGrayData: - return TYPE_GRAY_8; - case cmsSigHsvData: - return TYPE_HSV_8; - case cmsSigHlsData: - return TYPE_HLS_8; - case cmsSigCmykData: - return T_DOSWAP(dwFormat) ? TYPE_KYMC_8 : TYPE_CMYK_8; - case cmsSigCmyData: - return TYPE_CMY_8; - case cmsSigMCH5Data: - return T_DOSWAP(dwFormat) ? TYPE_KYMC5_8 : TYPE_CMYK5_8; - case cmsSigMCH6Data: - return TYPE_CMYK6_8; - case cmsSigMCH7Data: - return T_DOSWAP(dwFormat) ? TYPE_KYMC7_8 : TYPE_CMYK7_8; - case cmsSigMCH8Data: - return T_DOSWAP(dwFormat) ? TYPE_KYMC8_8 : TYPE_CMYK8_8; - case cmsSigMCH9Data: - return T_DOSWAP(dwFormat) ? TYPE_KYMC9_8 : TYPE_CMYK9_8; - case cmsSigMCHAData: - return T_DOSWAP(dwFormat) ? TYPE_KYMC10_8 : TYPE_CMYK10_8; - case cmsSigMCHBData: - return T_DOSWAP(dwFormat) ? TYPE_KYMC11_8 : TYPE_CMYK11_8; - case cmsSigMCHCData: - return T_DOSWAP(dwFormat) ? TYPE_KYMC12_8 : TYPE_CMYK12_8; - default: - return 0; - } -} -class CFX_IccProfileCache { - public: - CFX_IccProfileCache(); - ~CFX_IccProfileCache(); - void* m_pProfile; - FX_DWORD m_dwRate; - - protected: - void Purge(); -}; -CFX_IccProfileCache::CFX_IccProfileCache() { - m_pProfile = NULL; - m_dwRate = 1; -} -CFX_IccProfileCache::~CFX_IccProfileCache() { - if (m_pProfile) { - cmsCloseProfile(m_pProfile); - } -} -void CFX_IccProfileCache::Purge() {} -class CFX_IccTransformCache { - public: - CFX_IccTransformCache(CLcmsCmm* pCmm = NULL); - ~CFX_IccTransformCache(); - void* m_pIccTransform; - FX_DWORD m_dwRate; - CLcmsCmm* m_pCmm; - - protected: - void Purge(); -}; -CFX_IccTransformCache::CFX_IccTransformCache(CLcmsCmm* pCmm) { - m_pIccTransform = NULL; - m_dwRate = 1; - m_pCmm = pCmm; -} -CFX_IccTransformCache::~CFX_IccTransformCache() { - if (m_pIccTransform) { - cmsDeleteTransform(m_pIccTransform); - } - FX_Free(m_pCmm); -} -void CFX_IccTransformCache::Purge() {} -class CFX_ByteStringKey : public CFX_BinaryBuf { - public: - CFX_ByteStringKey() : CFX_BinaryBuf() {} - CFX_ByteStringKey& operator<<(FX_DWORD i); -}; -CFX_ByteStringKey& CFX_ByteStringKey::operator<<(FX_DWORD i) { - AppendBlock(&i, sizeof(FX_DWORD)); - return *this; -} -void* CCodec_IccModule::CreateProfile(ICodec_IccModule::IccParam* pIccParam, - Icc_CLASS ic, - CFX_BinaryBuf* pTransformKey) { - CFX_IccProfileCache* pCache = NULL; - CFX_ByteStringKey key; - CFX_ByteString text; - key << pIccParam->ColorSpace << (pIccParam->dwProfileType | ic << 8); - uint8_t ID[16]; - switch (pIccParam->dwProfileType) { - case Icc_PARAMTYPE_NONE: - return NULL; - case Icc_PARAMTYPE_BUFFER: - MD5ComputeID(pIccParam->pProfileData, pIccParam->dwProfileSize, ID); - break; - case Icc_PARAMTYPE_PARAM: - FXSYS_memset(ID, 0, 16); - switch (pIccParam->ColorSpace) { - case IccCS_Gray: - text.Format("%lf", pIccParam->Gamma); - break; - default: - break; - } - MD5ComputeID(text.GetBuffer(0), text.GetLength(), ID); - break; - default: - break; - } - key.AppendBlock(ID, 16); - CFX_ByteString ProfileKey(key.GetBuffer(), key.GetSize()); - ASSERT(pTransformKey); - pTransformKey->AppendBlock(ProfileKey.GetBuffer(0), ProfileKey.GetLength()); - auto it = m_MapProfile.find(ProfileKey); - if (it == m_MapProfile.end()) { - pCache = new CFX_IccProfileCache; - switch (pIccParam->dwProfileType) { - case Icc_PARAMTYPE_BUFFER: - pCache->m_pProfile = cmsOpenProfileFromMem(pIccParam->pProfileData, - pIccParam->dwProfileSize); - break; - case Icc_PARAMTYPE_PARAM: - switch (pIccParam->ColorSpace) { - case IccCS_Rgb: - pCache->m_pProfile = cmsCreate_sRGBProfile(); - break; - case IccCS_Gray: - pCache->m_pProfile = CreateProfile_Gray(pIccParam->Gamma); - break; - default: - break; - } - break; - default: - break; - } - m_MapProfile[ProfileKey] = pCache; - } else { - pCache = it->second; - pCache->m_dwRate++; - } - return pCache->m_pProfile; -} -void* CCodec_IccModule::CreateTransform( - ICodec_IccModule::IccParam* pInputParam, - ICodec_IccModule::IccParam* pOutputParam, - ICodec_IccModule::IccParam* pProofParam, - FX_DWORD dwIntent, - FX_DWORD dwFlag, - FX_DWORD dwPrfIntent, - FX_DWORD dwPrfFlag) { - CLcmsCmm* pCmm = NULL; - ASSERT(pInputParam && pOutputParam); - CFX_ByteStringKey key; - void* pInputProfile = CreateProfile(pInputParam, Icc_CLASS_INPUT, &key); - if (!pInputProfile) { - return NULL; - } - void* pOutputProfile = CreateProfile(pOutputParam, Icc_CLASS_OUTPUT, &key); - if (!pOutputProfile) { - return NULL; - } - FX_DWORD dwInputProfileType = - TransferProfileType(pInputProfile, pInputParam->dwFormat); - FX_DWORD dwOutputProfileType = - TransferProfileType(pOutputProfile, pOutputParam->dwFormat); - if (dwInputProfileType == 0 || dwOutputProfileType == 0) { - return NULL; - } - void* pProofProfile = NULL; - if (pProofParam) { - pProofProfile = CreateProfile(pProofParam, Icc_CLASS_PROOF, &key); - } - key << dwInputProfileType << dwOutputProfileType << dwIntent << dwFlag - << (pProofProfile != NULL) << dwPrfIntent << dwPrfFlag; - CFX_ByteStringC TransformKey(key.GetBuffer(), key.GetSize()); - CFX_IccTransformCache* pTransformCache; - auto it = m_MapTranform.find(TransformKey); - if (it == m_MapTranform.end()) { - pCmm = FX_Alloc(CLcmsCmm, 1); - pCmm->m_nSrcComponents = T_CHANNELS(dwInputProfileType); - pCmm->m_nDstComponents = T_CHANNELS(dwOutputProfileType); - pCmm->m_bLab = T_COLORSPACE(pInputParam->dwFormat) == PT_Lab; - pTransformCache = new CFX_IccTransformCache(pCmm); - if (pProofProfile) { - pTransformCache->m_pIccTransform = cmsCreateProofingTransform( - pInputProfile, dwInputProfileType, pOutputProfile, - dwOutputProfileType, pProofProfile, dwIntent, dwPrfIntent, dwPrfFlag); - } else { - pTransformCache->m_pIccTransform = - cmsCreateTransform(pInputProfile, dwInputProfileType, pOutputProfile, - dwOutputProfileType, dwIntent, dwFlag); - } - pCmm->m_hTransform = pTransformCache->m_pIccTransform; - m_MapTranform[TransformKey] = pTransformCache; - } else { - pTransformCache = it->second; - pTransformCache->m_dwRate++; - } - return pTransformCache->m_pCmm; -} -CCodec_IccModule::~CCodec_IccModule() { - for (const auto& pair : m_MapProfile) { - delete pair.second; - } - m_MapProfile.clear(); - for (const auto& pair : m_MapTranform) { - delete pair.second; - } - m_MapTranform.clear(); -} -void* CCodec_IccModule::CreateTransform_sRGB(const uint8_t* pProfileData, - FX_DWORD dwProfileSize, - FX_DWORD& nComponents, - int32_t intent, - FX_DWORD dwSrcFormat) { - return IccLib_CreateTransform_sRGB(pProfileData, dwProfileSize, nComponents, - intent, dwSrcFormat); -} - -void* CCodec_IccModule::CreateTransform_CMYK(const uint8_t* pSrcProfileData, - FX_DWORD dwSrcProfileSize, - FX_DWORD& nSrcComponents, - const uint8_t* pDstProfileData, - FX_DWORD dwDstProfileSize, - int32_t intent, - FX_DWORD dwSrcFormat, - FX_DWORD dwDstFormat) { - return IccLib_CreateTransform( - pSrcProfileData, dwSrcProfileSize, nSrcComponents, pDstProfileData, - dwDstProfileSize, 4, intent, dwSrcFormat, dwDstFormat); -} - -void CCodec_IccModule::DestroyTransform(void* pTransform) { - IccLib_DestroyTransform(pTransform); -} -void CCodec_IccModule::Translate(void* pTransform, - FX_FLOAT* pSrcValues, - FX_FLOAT* pDestValues) { - IccLib_Translate(pTransform, m_nComponents, pSrcValues, pDestValues); -} -void CCodec_IccModule::TranslateScanline(void* pTransform, - uint8_t* pDest, - const uint8_t* pSrc, - int32_t pixels) { - IccLib_TranslateImage(pTransform, pDest, pSrc, pixels); -} -const uint8_t g_CMYKSamples[81 * 81 * 3] = { - 255, 255, 255, 225, 226, 228, 199, 200, 202, 173, 174, 178, 147, 149, 152, - 123, 125, 128, 99, 99, 102, 69, 70, 71, 34, 30, 31, 255, 253, 229, - 226, 224, 203, 200, 199, 182, 173, 173, 158, 149, 148, 135, 125, 124, 113, - 99, 99, 90, 70, 69, 63, 33, 29, 24, 255, 251, 204, 228, 223, 182, - 201, 198, 163, 174, 172, 142, 150, 147, 122, 125, 123, 101, 99, 98, 80, - 70, 68, 54, 32, 28, 16, 255, 249, 179, 230, 222, 160, 203, 197, 144, - 174, 170, 124, 150, 145, 105, 125, 122, 88, 99, 97, 69, 70, 68, 46, - 31, 28, 6, 255, 247, 154, 229, 220, 138, 203, 195, 122, 176, 169, 107, - 150, 145, 91, 125, 121, 74, 100, 96, 57, 70, 67, 35, 29, 26, 0, - 255, 246, 128, 231, 217, 114, 205, 194, 101, 176, 167, 88, 150, 144, 75, - 125, 120, 60, 100, 96, 44, 70, 66, 24, 28, 26, 0, 255, 244, 96, - 231, 217, 87, 203, 192, 78, 175, 167, 66, 150, 143, 56, 125, 119, 43, - 100, 95, 29, 69, 66, 7, 26, 26, 0, 255, 243, 51, 232, 215, 51, - 204, 191, 43, 176, 165, 38, 150, 142, 28, 125, 118, 17, 99, 94, 0, - 68, 65, 0, 24, 25, 0, 255, 241, 0, 231, 215, 0, 203, 190, 0, - 176, 164, 0, 150, 141, 0, 126, 117, 0, 99, 93, 0, 68, 65, 0, - 24, 25, 0, 252, 228, 238, 222, 201, 211, 197, 180, 190, 171, 156, 166, - 147, 133, 143, 123, 111, 119, 99, 88, 94, 71, 61, 66, 34, 22, 26, - 254, 226, 213, 224, 201, 191, 199, 179, 171, 172, 155, 148, 147, 133, 128, - 123, 110, 106, 98, 87, 83, 70, 59, 57, 33, 21, 18, 254, 224, 191, - 224, 199, 172, 200, 177, 153, 173, 154, 133, 147, 132, 115, 123, 109, 94, - 98, 86, 74, 70, 59, 49, 32, 21, 9, 255, 222, 168, 227, 198, 150, - 200, 175, 135, 173, 153, 118, 148, 130, 99, 123, 109, 82, 98, 86, 64, - 69, 58, 40, 31, 19, 0, 255, 221, 145, 227, 196, 129, 201, 174, 115, - 173, 151, 99, 148, 129, 85, 124, 108, 69, 98, 85, 52, 69, 58, 30, - 30, 19, 0, 255, 219, 121, 227, 195, 109, 201, 174, 97, 174, 150, 83, - 148, 129, 70, 124, 107, 55, 98, 84, 40, 69, 58, 19, 28, 18, 0, - 255, 218, 92, 229, 194, 82, 202, 173, 75, 174, 150, 63, 149, 128, 51, - 124, 106, 39, 98, 84, 24, 68, 57, 3, 26, 18, 0, 255, 217, 54, - 228, 193, 52, 201, 172, 46, 174, 148, 36, 148, 127, 27, 123, 105, 14, - 98, 83, 0, 68, 56, 0, 25, 18, 0, 255, 216, 0, 229, 192, 2, - 202, 171, 4, 173, 148, 0, 148, 126, 0, 124, 105, 0, 98, 83, 0, - 68, 56, 0, 24, 17, 0, 249, 204, 223, 219, 181, 199, 195, 160, 178, - 170, 140, 156, 146, 119, 134, 123, 99, 112, 98, 77, 88, 70, 52, 61, - 34, 11, 20, 250, 201, 200, 221, 180, 178, 197, 159, 161, 171, 139, 139, - 147, 119, 120, 123, 98, 99, 98, 77, 78, 69, 51, 52, 34, 11, 10, - 252, 201, 180, 223, 179, 162, 197, 159, 144, 170, 138, 125, 146, 117, 107, - 122, 97, 89, 98, 76, 69, 69, 50, 44, 32, 11, 2, 252, 199, 158, - 222, 177, 143, 199, 158, 127, 171, 137, 110, 147, 117, 93, 122, 96, 76, - 97, 75, 58, 69, 50, 36, 32, 10, 0, 253, 198, 137, 223, 177, 123, - 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12, 33, 26, 1, 22, 14, 0, 5, 1, 0, 0, 0, 0, 0, 0, - 46, 48, 146, 42, 40, 131, 36, 32, 118, 27, 22, 103, 17, 6, 88, - 5, 0, 73, 0, 0, 55, 0, 0, 33, 0, 0, 0, 48, 48, 133, - 44, 40, 119, 37, 32, 107, 28, 22, 93, 20, 8, 79, 7, 0, 65, - 0, 0, 49, 0, 0, 27, 0, 0, 0, 48, 50, 123, 44, 41, 109, - 37, 33, 97, 30, 23, 83, 21, 11, 71, 8, 0, 58, 0, 0, 42, - 0, 0, 21, 0, 0, 0, 49, 51, 111, 45, 42, 99, 38, 34, 87, - 29, 25, 75, 20, 13, 63, 8, 0, 51, 0, 0, 36, 0, 0, 14, - 0, 0, 0, 52, 52, 100, 44, 43, 89, 38, 35, 79, 29, 26, 68, - 19, 15, 56, 10, 1, 43, 0, 0, 28, 0, 0, 6, 0, 0, 0, - 52, 52, 90, 47, 44, 79, 39, 36, 70, 30, 27, 59, 20, 16, 47, - 9, 2, 36, 0, 0, 22, 0, 0, 2, 0, 0, 0, 52, 53, 78, - 46, 44, 68, 39, 37, 60, 32, 27, 49, 22, 17, 39, 10, 3, 28, - 0, 0, 12, 0, 0, 0, 0, 0, 0, 53, 53, 66, 47, 44, 57, - 40, 36, 48, 32, 27, 39, 22, 18, 30, 9, 4, 18, 0, 0, 3, - 0, 0, 0, 0, 0, 0, 54, 53, 57, 48, 45, 49, 41, 37, 41, - 33, 28, 32, 22, 19, 23, 11, 6, 10, 1, 0, 0, 0, 0, 0, - 0, 0, 0, -}; -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) { - int fix_c = c << 8; - int fix_m = m << 8; - int fix_y = y << 8; - int fix_k = k << 8; - int c_index = (fix_c + 4096) >> 13; - int m_index = (fix_m + 4096) >> 13; - int y_index = (fix_y + 4096) >> 13; - int k_index = (fix_k + 4096) >> 13; - int pos = (c_index * 9 * 9 * 9 + m_index * 9 * 9 + y_index * 9 + k_index) * 3; - int fix_r = g_CMYKSamples[pos] << 8; - int fix_g = g_CMYKSamples[pos + 1] << 8; - int fix_b = g_CMYKSamples[pos + 2] << 8; - int c1_index = fix_c >> 13; - if (c1_index == c_index) { - c1_index = c1_index == 8 ? c1_index - 1 : c1_index + 1; - } - int m1_index = fix_m >> 13; - if (m1_index == m_index) { - m1_index = m1_index == 8 ? m1_index - 1 : m1_index + 1; - } - int y1_index = fix_y >> 13; - if (y1_index == y_index) { - y1_index = y1_index == 8 ? y1_index - 1 : y1_index + 1; - } - int k1_index = fix_k >> 13; - if (k1_index == k_index) { - k1_index = k1_index == 8 ? k1_index - 1 : k1_index + 1; - } - int c1_pos = pos + (c1_index - c_index) * 9 * 9 * 9 * 3; - int m1_pos = pos + (m1_index - m_index) * 9 * 9 * 3; - int y1_pos = pos + (y1_index - y_index) * 9 * 3; - int k1_pos = pos + (k1_index - k_index) * 3; - int c_r_delta = g_CMYKSamples[pos] - g_CMYKSamples[c1_pos]; - int c_g_delta = g_CMYKSamples[pos + 1] - g_CMYKSamples[c1_pos + 1]; - int c_b_delta = g_CMYKSamples[pos + 2] - g_CMYKSamples[c1_pos + 2]; - int m_r_delta = g_CMYKSamples[pos] - g_CMYKSamples[m1_pos]; - int m_g_delta = g_CMYKSamples[pos + 1] - g_CMYKSamples[m1_pos + 1]; - int m_b_delta = g_CMYKSamples[pos + 2] - g_CMYKSamples[m1_pos + 2]; - int y_r_delta = g_CMYKSamples[pos] - g_CMYKSamples[y1_pos]; - int y_g_delta = g_CMYKSamples[pos + 1] - g_CMYKSamples[y1_pos + 1]; - int y_b_delta = g_CMYKSamples[pos + 2] - g_CMYKSamples[y1_pos + 2]; - int k_r_delta = g_CMYKSamples[pos] - g_CMYKSamples[k1_pos]; - int k_g_delta = g_CMYKSamples[pos + 1] - g_CMYKSamples[k1_pos + 1]; - int k_b_delta = g_CMYKSamples[pos + 2] - g_CMYKSamples[k1_pos + 2]; - int c_rate = (fix_c - (c_index << 13)) * (c_index - c1_index); - fix_r += c_r_delta * c_rate / 32; - fix_g += c_g_delta * c_rate / 32; - fix_b += c_b_delta * c_rate / 32; - int m_rate = (fix_m - (m_index << 13)) * (m_index - m1_index); - fix_r += m_r_delta * m_rate / 32; - fix_g += m_g_delta * m_rate / 32; - fix_b += m_b_delta * m_rate / 32; - int y_rate = (fix_y - (y_index << 13)) * (y_index - y1_index); - fix_r += y_r_delta * y_rate / 32; - fix_g += y_g_delta * y_rate / 32; - fix_b += y_b_delta * y_rate / 32; - int k_rate = (fix_k - (k_index << 13)) * (k_index - k1_index); - fix_r += k_r_delta * k_rate / 32; - fix_g += k_g_delta * k_rate / 32; - fix_b += k_b_delta * k_rate / 32; - if (fix_r < 0) { - fix_r = 0; - } - if (fix_g < 0) { - fix_g = 0; - } - if (fix_b < 0) { - fix_b = 0; - } - R = fix_r >> 8; - G = fix_g >> 8; - B = fix_b >> 8; -} -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) { - uint8_t c1 = FXSYS_round(c * 255); - uint8_t m1 = FXSYS_round(m * 255); - uint8_t y1 = FXSYS_round(y * 255); - uint8_t k1 = FXSYS_round(k * 255); - uint8_t r, g, b; - AdobeCMYK_to_sRGB1(c1, m1, y1, k1, r, g, b); - R = 1.0f * r / 255; - G = 1.0f * g / 255; - B = 1.0f * b / 255; -} diff --git a/core/src/fxcodec/codec/fx_codec_jbig.cpp b/core/src/fxcodec/codec/fx_codec_jbig.cpp deleted file mode 100644 index 44e30aa953..0000000000 --- a/core/src/fxcodec/codec/fx_codec_jbig.cpp +++ /dev/null @@ -1,127 +0,0 @@ -// 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 <list> - -#include "core/include/fxcodec/fx_codec.h" -#include "core/src/fxcodec/codec/codec_int.h" - -// Holds per-document JBig2 related data. -class JBig2DocumentContext : public CFX_DestructObject { - public: - std::list<CJBig2_CachePair>* GetSymbolDictCache() { - return &m_SymbolDictCache; - } - - ~JBig2DocumentContext() override { - for (auto it : m_SymbolDictCache) { - delete it.second; - } - } - - private: - std::list<CJBig2_CachePair> m_SymbolDictCache; -}; - -JBig2DocumentContext* GetJBig2DocumentContext(CCodec_Jbig2Module* pModule, - CFX_PrivateData* pPrivateData) { - void* pModulePrivateData = pPrivateData->GetPrivateData(pModule); - if (pModulePrivateData) { - CFX_DestructObject* pDestructObject = - reinterpret_cast<CFX_DestructObject*>(pModulePrivateData); - return static_cast<JBig2DocumentContext*>(pDestructObject); - } - JBig2DocumentContext* pJBig2DocumentContext = new JBig2DocumentContext(); - pPrivateData->SetPrivateObj(pModule, pJBig2DocumentContext); - return pJBig2DocumentContext; -} - -CCodec_Jbig2Context::CCodec_Jbig2Context() { - FXSYS_memset(this, 0, sizeof(CCodec_Jbig2Context)); -} - -CCodec_Jbig2Module::~CCodec_Jbig2Module() { -} - -void* CCodec_Jbig2Module::CreateJbig2Context() { - return new CCodec_Jbig2Context(); -} -void CCodec_Jbig2Module::DestroyJbig2Context(void* pJbig2Content) { - if (pJbig2Content) { - CJBig2_Context::DestroyContext( - ((CCodec_Jbig2Context*)pJbig2Content)->m_pContext); - delete (CCodec_Jbig2Context*)pJbig2Content; - } - pJbig2Content = NULL; -} -FXCODEC_STATUS CCodec_Jbig2Module::StartDecode(void* pJbig2Context, - CFX_PrivateData* pPrivateData, - FX_DWORD width, - FX_DWORD height, - CPDF_StreamAcc* src_stream, - CPDF_StreamAcc* global_stream, - uint8_t* dest_buf, - FX_DWORD dest_pitch, - IFX_Pause* pPause) { - if (!pJbig2Context) { - return FXCODEC_STATUS_ERR_PARAMS; - } - JBig2DocumentContext* pJBig2DocumentContext = - GetJBig2DocumentContext(this, pPrivateData); - CCodec_Jbig2Context* m_pJbig2Context = (CCodec_Jbig2Context*)pJbig2Context; - m_pJbig2Context->m_width = width; - m_pJbig2Context->m_height = height; - m_pJbig2Context->m_pSrcStream = src_stream; - m_pJbig2Context->m_pGlobalStream = global_stream; - m_pJbig2Context->m_dest_buf = dest_buf; - m_pJbig2Context->m_dest_pitch = dest_pitch; - m_pJbig2Context->m_pPause = pPause; - FXSYS_memset(dest_buf, 0, height * dest_pitch); - m_pJbig2Context->m_pContext = CJBig2_Context::CreateContext( - global_stream, src_stream, pJBig2DocumentContext->GetSymbolDictCache(), - pPause); - if (!m_pJbig2Context->m_pContext) { - return FXCODEC_STATUS_ERROR; - } - int ret = m_pJbig2Context->m_pContext->getFirstPage(dest_buf, width, height, - dest_pitch, pPause); - if (m_pJbig2Context->m_pContext->GetProcessingStatus() == - FXCODEC_STATUS_DECODE_FINISH) { - CJBig2_Context::DestroyContext(m_pJbig2Context->m_pContext); - m_pJbig2Context->m_pContext = NULL; - if (ret != JBIG2_SUCCESS) { - return FXCODEC_STATUS_ERROR; - } - int dword_size = height * dest_pitch / 4; - FX_DWORD* dword_buf = (FX_DWORD*)dest_buf; - for (int i = 0; i < dword_size; i++) { - dword_buf[i] = ~dword_buf[i]; - } - return FXCODEC_STATUS_DECODE_FINISH; - } - return m_pJbig2Context->m_pContext->GetProcessingStatus(); -} -FXCODEC_STATUS CCodec_Jbig2Module::ContinueDecode(void* pJbig2Context, - IFX_Pause* pPause) { - CCodec_Jbig2Context* m_pJbig2Context = (CCodec_Jbig2Context*)pJbig2Context; - int ret = m_pJbig2Context->m_pContext->Continue(pPause); - if (m_pJbig2Context->m_pContext->GetProcessingStatus() != - FXCODEC_STATUS_DECODE_FINISH) { - return m_pJbig2Context->m_pContext->GetProcessingStatus(); - } - CJBig2_Context::DestroyContext(m_pJbig2Context->m_pContext); - m_pJbig2Context->m_pContext = NULL; - if (ret != JBIG2_SUCCESS) { - return FXCODEC_STATUS_ERROR; - } - int dword_size = - m_pJbig2Context->m_height * m_pJbig2Context->m_dest_pitch / 4; - FX_DWORD* dword_buf = (FX_DWORD*)m_pJbig2Context->m_dest_buf; - for (int i = 0; i < dword_size; i++) { - dword_buf[i] = ~dword_buf[i]; - } - return FXCODEC_STATUS_DECODE_FINISH; -} diff --git a/core/src/fxcodec/codec/fx_codec_jpeg.cpp b/core/src/fxcodec/codec/fx_codec_jpeg.cpp deleted file mode 100644 index 14cc194db4..0000000000 --- a/core/src/fxcodec/codec/fx_codec_jpeg.cpp +++ /dev/null @@ -1,692 +0,0 @@ -// 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 <setjmp.h> - -#include "core/include/fxcodec/fx_codec.h" -#include "core/include/fxcrt/fx_safe_types.h" -#include "core/include/fxge/fx_dib.h" -#include "core/src/fxcodec/codec/codec_int.h" - -extern "C" { -#undef FAR -#if defined(USE_SYSTEM_LIBJPEG) -#include <jpeglib.h> -#elif defined(USE_LIBJPEG_TURBO) -#include "third_party/libjpeg_turbo/jpeglib.h" -#else -#include "third_party/libjpeg/jpeglib.h" -#endif -} - -extern "C" { -static void _JpegScanSOI(const uint8_t*& src_buf, FX_DWORD& src_size) { - if (src_size == 0) { - return; - } - FX_DWORD offset = 0; - while (offset < src_size - 1) { - if (src_buf[offset] == 0xff && src_buf[offset + 1] == 0xd8) { - src_buf += offset; - src_size -= offset; - return; - } - offset++; - } -} -}; -extern "C" { -static void _src_do_nothing(struct jpeg_decompress_struct* cinfo) {} -}; -extern "C" { -static void _error_fatal(j_common_ptr cinfo) { - longjmp(*(jmp_buf*)cinfo->client_data, -1); -} -}; -extern "C" { -static void _src_skip_data(struct jpeg_decompress_struct* cinfo, long num) { - if (num > (long)cinfo->src->bytes_in_buffer) { - _error_fatal((j_common_ptr)cinfo); - } - cinfo->src->next_input_byte += num; - cinfo->src->bytes_in_buffer -= num; -} -}; -extern "C" { -static boolean _src_fill_buffer(j_decompress_ptr cinfo) { - return 0; -} -}; -extern "C" { -static boolean _src_resync(j_decompress_ptr cinfo, int desired) { - return 0; -} -}; -extern "C" { -static void _error_do_nothing(j_common_ptr cinfo) {} -}; -extern "C" { -static void _error_do_nothing1(j_common_ptr cinfo, int) {} -}; -extern "C" { -static void _error_do_nothing2(j_common_ptr cinfo, char*) {} -}; -#define JPEG_MARKER_EXIF (JPEG_APP0 + 1) -#define JPEG_MARKER_ICC (JPEG_APP0 + 2) -#define JPEG_MARKER_AUTHORTIME (JPEG_APP0 + 3) -#define JPEG_MARKER_MAXSIZE 0xFFFF -#define JPEG_OVERHEAD_LEN 14 -static FX_BOOL _JpegEmbedIccProfile(j_compress_ptr cinfo, - const uint8_t* icc_buf_ptr, - FX_DWORD icc_length) { - if (!icc_buf_ptr || icc_length == 0) { - return FALSE; - } - FX_DWORD icc_segment_size = (JPEG_MARKER_MAXSIZE - 2 - JPEG_OVERHEAD_LEN); - FX_DWORD icc_segment_num = (icc_length / icc_segment_size) + 1; - if (icc_segment_num > 255) { - return FALSE; - } - FX_DWORD icc_data_length = - JPEG_OVERHEAD_LEN + (icc_segment_num > 1 ? icc_segment_size : icc_length); - uint8_t* icc_data = FX_Alloc(uint8_t, icc_data_length); - FXSYS_memcpy(icc_data, "\x49\x43\x43\x5f\x50\x52\x4f\x46\x49\x4c\x45\x00", - 12); - icc_data[13] = (uint8_t)icc_segment_num; - for (uint8_t i = 0; i < (icc_segment_num - 1); i++) { - icc_data[12] = i + 1; - FXSYS_memcpy(icc_data + JPEG_OVERHEAD_LEN, - icc_buf_ptr + i * icc_segment_size, icc_segment_size); - jpeg_write_marker(cinfo, JPEG_MARKER_ICC, icc_data, icc_data_length); - } - icc_data[12] = (uint8_t)icc_segment_num; - FX_DWORD icc_size = (icc_segment_num - 1) * icc_segment_size; - FXSYS_memcpy(icc_data + JPEG_OVERHEAD_LEN, icc_buf_ptr + icc_size, - icc_length - icc_size); - jpeg_write_marker(cinfo, JPEG_MARKER_ICC, icc_data, - JPEG_OVERHEAD_LEN + icc_length - icc_size); - FX_Free(icc_data); - return TRUE; -} -extern "C" { -static void _dest_do_nothing(j_compress_ptr cinfo) {} -}; -extern "C" { -static boolean _dest_empty(j_compress_ptr cinfo) { - return FALSE; -} -}; -#define JPEG_BLOCK_SIZE 1048576 -static void _JpegEncode(const CFX_DIBSource* pSource, - uint8_t*& dest_buf, - FX_STRSIZE& dest_size, - int quality, - const uint8_t* icc_buf, - FX_DWORD icc_length) { - struct jpeg_error_mgr jerr; - jerr.error_exit = _error_do_nothing; - jerr.emit_message = _error_do_nothing1; - jerr.output_message = _error_do_nothing; - jerr.format_message = _error_do_nothing2; - jerr.reset_error_mgr = _error_do_nothing; - - struct jpeg_compress_struct cinfo; - memset(&cinfo, 0, sizeof(cinfo)); - cinfo.err = &jerr; - jpeg_create_compress(&cinfo); - int Bpp = pSource->GetBPP() / 8; - FX_DWORD nComponents = Bpp >= 3 ? (pSource->IsCmykImage() ? 4 : 3) : 1; - FX_DWORD pitch = pSource->GetPitch(); - FX_DWORD width = pdfium::base::checked_cast<FX_DWORD>(pSource->GetWidth()); - FX_DWORD height = pdfium::base::checked_cast<FX_DWORD>(pSource->GetHeight()); - FX_SAFE_DWORD safe_buf_len = width; - safe_buf_len *= height; - safe_buf_len *= nComponents; - safe_buf_len += 1024; - if (icc_length) { - safe_buf_len += 255 * 18; - safe_buf_len += icc_length; - } - FX_DWORD dest_buf_length = 0; - if (!safe_buf_len.IsValid()) { - dest_buf = nullptr; - } else { - dest_buf_length = safe_buf_len.ValueOrDie(); - dest_buf = FX_TryAlloc(uint8_t, dest_buf_length); - const int MIN_TRY_BUF_LEN = 1024; - while (!dest_buf && dest_buf_length > MIN_TRY_BUF_LEN) { - dest_buf_length >>= 1; - dest_buf = FX_TryAlloc(uint8_t, dest_buf_length); - } - } - if (!dest_buf) { - FX_OutOfMemoryTerminate(); - } - struct jpeg_destination_mgr dest; - dest.init_destination = _dest_do_nothing; - dest.term_destination = _dest_do_nothing; - dest.empty_output_buffer = _dest_empty; - dest.next_output_byte = dest_buf; - dest.free_in_buffer = dest_buf_length; - cinfo.dest = &dest; - cinfo.image_width = width; - cinfo.image_height = height; - cinfo.input_components = nComponents; - if (nComponents == 1) { - cinfo.in_color_space = JCS_GRAYSCALE; - } else if (nComponents == 3) { - cinfo.in_color_space = JCS_RGB; - } else { - cinfo.in_color_space = JCS_CMYK; - } - uint8_t* line_buf = NULL; - if (nComponents > 1) { - line_buf = FX_Alloc2D(uint8_t, width, nComponents); - } - jpeg_set_defaults(&cinfo); - if (quality != 75) { - jpeg_set_quality(&cinfo, quality, TRUE); - } - jpeg_start_compress(&cinfo, TRUE); - _JpegEmbedIccProfile(&cinfo, icc_buf, icc_length); - JSAMPROW row_pointer[1]; - JDIMENSION row; - while (cinfo.next_scanline < cinfo.image_height) { - const uint8_t* src_scan = pSource->GetScanline(cinfo.next_scanline); - if (nComponents > 1) { - uint8_t* dest_scan = line_buf; - if (nComponents == 3) { - for (FX_DWORD i = 0; i < width; i++) { - dest_scan[0] = src_scan[2]; - dest_scan[1] = src_scan[1]; - dest_scan[2] = src_scan[0]; - dest_scan += 3; - src_scan += Bpp; - } - } else { - for (FX_DWORD i = 0; i < pitch; i++) { - *dest_scan++ = ~*src_scan++; - } - } - row_pointer[0] = line_buf; - } else { - row_pointer[0] = (uint8_t*)src_scan; - } - row = cinfo.next_scanline; - jpeg_write_scanlines(&cinfo, row_pointer, 1); - if (cinfo.next_scanline == row) { - dest_buf = - FX_Realloc(uint8_t, dest_buf, dest_buf_length + JPEG_BLOCK_SIZE); - dest.next_output_byte = dest_buf + dest_buf_length - dest.free_in_buffer; - dest_buf_length += JPEG_BLOCK_SIZE; - dest.free_in_buffer += JPEG_BLOCK_SIZE; - } - } - jpeg_finish_compress(&cinfo); - jpeg_destroy_compress(&cinfo); - FX_Free(line_buf); - dest_size = dest_buf_length - (FX_STRSIZE)dest.free_in_buffer; -} - -#ifdef PDF_ENABLE_XFA -static void _JpegLoadAttribute(struct jpeg_decompress_struct* pInfo, - CFX_DIBAttribute* pAttribute) { - if (pInfo == NULL || pAttribute == NULL) { - return; - } - if (pAttribute) { - pAttribute->m_nXDPI = pInfo->X_density; - pAttribute->m_nYDPI = pInfo->Y_density; - pAttribute->m_wDPIUnit = pInfo->density_unit; - } -} -#endif // PDF_ENABLE_XFA - -static FX_BOOL _JpegLoadInfo(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, - FX_DWORD* icc_length) { - _JpegScanSOI(src_buf, src_size); - struct jpeg_decompress_struct cinfo; - struct jpeg_error_mgr jerr; - jerr.error_exit = _error_fatal; - jerr.emit_message = _error_do_nothing1; - jerr.output_message = _error_do_nothing; - jerr.format_message = _error_do_nothing2; - jerr.reset_error_mgr = _error_do_nothing; - jerr.trace_level = 0; - cinfo.err = &jerr; - jmp_buf mark; - cinfo.client_data = &mark; - if (setjmp(mark) == -1) { - return FALSE; - } - jpeg_create_decompress(&cinfo); - struct jpeg_source_mgr src; - src.init_source = _src_do_nothing; - src.term_source = _src_do_nothing; - src.skip_input_data = _src_skip_data; - src.fill_input_buffer = _src_fill_buffer; - src.resync_to_restart = _src_resync; - src.bytes_in_buffer = src_size; - src.next_input_byte = src_buf; - cinfo.src = &src; - if (setjmp(mark) == -1) { - jpeg_destroy_decompress(&cinfo); - return FALSE; - } - if (icc_buf_ptr && icc_length) { - jpeg_save_markers(&cinfo, JPEG_MARKER_ICC, JPEG_MARKER_MAXSIZE); - } - int ret = jpeg_read_header(&cinfo, TRUE); - if (ret != JPEG_HEADER_OK) { - jpeg_destroy_decompress(&cinfo); - return FALSE; - } - width = cinfo.image_width; - height = cinfo.image_height; - num_components = cinfo.num_components; - color_transform = - cinfo.jpeg_color_space == JCS_YCbCr || cinfo.jpeg_color_space == JCS_YCCK; - bits_per_components = cinfo.data_precision; - if (icc_buf_ptr) { - *icc_buf_ptr = NULL; - } - if (icc_length) { - *icc_length = 0; - } - jpeg_destroy_decompress(&cinfo); - return TRUE; -} - -class CCodec_JpegDecoder : public CCodec_ScanlineDecoder { - public: - CCodec_JpegDecoder(); - ~CCodec_JpegDecoder() override; - - FX_BOOL Create(const uint8_t* src_buf, - FX_DWORD src_size, - int width, - int height, - int nComps, - FX_BOOL ColorTransform); - void Destroy() { delete this; } - - // CCodec_ScanlineDecoder - void v_DownScale(int dest_width, int dest_height) override; - FX_BOOL v_Rewind() override; - uint8_t* v_GetNextLine() override; - FX_DWORD GetSrcOffset() override; - - FX_BOOL InitDecode(); - - jmp_buf m_JmpBuf; - struct jpeg_decompress_struct cinfo; - struct jpeg_error_mgr jerr; - struct jpeg_source_mgr src; - const uint8_t* m_SrcBuf; - FX_DWORD m_SrcSize; - uint8_t* m_pScanlineBuf; - - FX_BOOL m_bInited; - FX_BOOL m_bStarted; - FX_BOOL m_bJpegTransform; - - protected: - FX_DWORD m_nDefaultScaleDenom; -}; - -CCodec_JpegDecoder::CCodec_JpegDecoder() { - m_pScanlineBuf = NULL; - m_DownScale = 1; - m_bStarted = FALSE; - m_bInited = FALSE; - FXSYS_memset(&cinfo, 0, sizeof(cinfo)); - FXSYS_memset(&jerr, 0, sizeof(jerr)); - FXSYS_memset(&src, 0, sizeof(src)); - m_nDefaultScaleDenom = 1; -} -CCodec_JpegDecoder::~CCodec_JpegDecoder() { - FX_Free(m_pScanlineBuf); - if (m_bInited) { - jpeg_destroy_decompress(&cinfo); - } -} -FX_BOOL CCodec_JpegDecoder::InitDecode() { - cinfo.err = &jerr; - cinfo.client_data = &m_JmpBuf; - if (setjmp(m_JmpBuf) == -1) { - return FALSE; - } - jpeg_create_decompress(&cinfo); - m_bInited = TRUE; - cinfo.src = &src; - src.bytes_in_buffer = m_SrcSize; - src.next_input_byte = m_SrcBuf; - if (setjmp(m_JmpBuf) == -1) { - jpeg_destroy_decompress(&cinfo); - m_bInited = FALSE; - return FALSE; - } - cinfo.image_width = m_OrigWidth; - cinfo.image_height = m_OrigHeight; - int ret = jpeg_read_header(&cinfo, TRUE); - if (ret != JPEG_HEADER_OK) { - return FALSE; - } - if (cinfo.saw_Adobe_marker) { - m_bJpegTransform = TRUE; - } - if (cinfo.num_components == 3 && !m_bJpegTransform) { - cinfo.out_color_space = cinfo.jpeg_color_space; - } - m_OrigWidth = cinfo.image_width; - m_OrigHeight = cinfo.image_height; - m_OutputWidth = m_OrigWidth; - m_OutputHeight = m_OrigHeight; - m_nDefaultScaleDenom = cinfo.scale_denom; - return TRUE; -} -FX_BOOL CCodec_JpegDecoder::Create(const uint8_t* src_buf, - FX_DWORD src_size, - int width, - int height, - int nComps, - FX_BOOL ColorTransform) { - _JpegScanSOI(src_buf, src_size); - m_SrcBuf = src_buf; - m_SrcSize = src_size; - jerr.error_exit = _error_fatal; - jerr.emit_message = _error_do_nothing1; - jerr.output_message = _error_do_nothing; - jerr.format_message = _error_do_nothing2; - jerr.reset_error_mgr = _error_do_nothing; - src.init_source = _src_do_nothing; - src.term_source = _src_do_nothing; - src.skip_input_data = _src_skip_data; - src.fill_input_buffer = _src_fill_buffer; - src.resync_to_restart = _src_resync; - m_bJpegTransform = ColorTransform; - if (src_size > 1 && - FXSYS_memcmp(src_buf + src_size - 2, "\xFF\xD9", 2) != 0) { - ((uint8_t*)src_buf)[src_size - 2] = 0xFF; - ((uint8_t*)src_buf)[src_size - 1] = 0xD9; - } - m_OutputWidth = m_OrigWidth = width; - m_OutputHeight = m_OrigHeight = height; - if (!InitDecode()) { - return FALSE; - } - if (cinfo.num_components < nComps) { - return FALSE; - } - if ((int)cinfo.image_width < width) { - return FALSE; - } - m_Pitch = - (static_cast<FX_DWORD>(cinfo.image_width) * cinfo.num_components + 3) / - 4 * 4; - m_pScanlineBuf = FX_Alloc(uint8_t, m_Pitch); - m_nComps = cinfo.num_components; - m_bpc = 8; - m_bColorTransformed = FALSE; - m_bStarted = FALSE; - return TRUE; -} -extern "C" { -int32_t FX_GetDownsampleRatio(int32_t originWidth, - int32_t originHeight, - int32_t downsampleWidth, - int32_t downsampleHeight) { - int iratio_w = originWidth / downsampleWidth; - int iratio_h = originHeight / downsampleHeight; - int ratio = (iratio_w > iratio_h) ? iratio_h : iratio_w; - if (ratio >= 8) { - return 8; - } - if (ratio >= 4) { - return 4; - } - if (ratio >= 2) { - return 2; - } - return 1; -} -} -void CCodec_JpegDecoder::v_DownScale(int dest_width, int dest_height) { - int old_scale = m_DownScale; - m_DownScale = - FX_GetDownsampleRatio(m_OrigWidth, m_OrigHeight, dest_width, dest_height); - m_OutputWidth = (m_OrigWidth + m_DownScale - 1) / m_DownScale; - m_OutputHeight = (m_OrigHeight + m_DownScale - 1) / m_DownScale; - m_Pitch = (static_cast<FX_DWORD>(m_OutputWidth) * m_nComps + 3) / 4 * 4; - if (old_scale != m_DownScale) { - m_NextLine = -1; - } -} -FX_BOOL CCodec_JpegDecoder::v_Rewind() { - if (m_bStarted) { - jpeg_destroy_decompress(&cinfo); - if (!InitDecode()) { - return FALSE; - } - } - if (setjmp(m_JmpBuf) == -1) { - return FALSE; - } - cinfo.scale_denom = m_nDefaultScaleDenom * m_DownScale; - m_OutputWidth = (m_OrigWidth + m_DownScale - 1) / m_DownScale; - m_OutputHeight = (m_OrigHeight + m_DownScale - 1) / m_DownScale; - if (!jpeg_start_decompress(&cinfo)) { - jpeg_destroy_decompress(&cinfo); - return FALSE; - } - if ((int)cinfo.output_width > m_OrigWidth) { - FXSYS_assert(FALSE); - return FALSE; - } - m_bStarted = TRUE; - return TRUE; -} -uint8_t* CCodec_JpegDecoder::v_GetNextLine() { - if (setjmp(m_JmpBuf) == -1) - return nullptr; - - int nlines = jpeg_read_scanlines(&cinfo, &m_pScanlineBuf, 1); - if (nlines < 1) { - return nullptr; - } - return m_pScanlineBuf; -} -FX_DWORD CCodec_JpegDecoder::GetSrcOffset() { - return (FX_DWORD)(m_SrcSize - src.bytes_in_buffer); -} -ICodec_ScanlineDecoder* CCodec_JpegModule::CreateDecoder( - const uint8_t* src_buf, - FX_DWORD src_size, - int width, - int height, - int nComps, - FX_BOOL ColorTransform) { - if (!src_buf || src_size == 0) { - return NULL; - } - CCodec_JpegDecoder* pDecoder = new CCodec_JpegDecoder; - if (!pDecoder->Create(src_buf, src_size, width, height, nComps, - ColorTransform)) { - delete pDecoder; - return NULL; - } - return pDecoder; -} -FX_BOOL CCodec_JpegModule::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, - FX_DWORD* icc_length) { - return _JpegLoadInfo(src_buf, src_size, width, height, num_components, - bits_per_components, color_transform, icc_buf_ptr, - icc_length); -} -FX_BOOL CCodec_JpegModule::Encode(const CFX_DIBSource* pSource, - uint8_t*& dest_buf, - FX_STRSIZE& dest_size, - int quality, - const uint8_t* icc_buf, - FX_DWORD icc_length) { - if (pSource->GetBPP() < 8 || pSource->GetPalette()) - return FALSE; - - _JpegEncode(pSource, dest_buf, dest_size, quality, icc_buf, icc_length); - return TRUE; -} -struct FXJPEG_Context { - jmp_buf m_JumpMark; - jpeg_decompress_struct m_Info; - jpeg_error_mgr m_ErrMgr; - jpeg_source_mgr m_SrcMgr; - unsigned int m_SkipSize; - void* (*m_AllocFunc)(unsigned int); - void (*m_FreeFunc)(void*); -}; -extern "C" { -static void _error_fatal1(j_common_ptr cinfo) { - longjmp(((FXJPEG_Context*)cinfo->client_data)->m_JumpMark, -1); -} -}; -extern "C" { -static void _src_skip_data1(struct jpeg_decompress_struct* cinfo, long num) { - if (cinfo->src->bytes_in_buffer < (size_t)num) { - ((FXJPEG_Context*)cinfo->client_data)->m_SkipSize = - (unsigned int)(num - cinfo->src->bytes_in_buffer); - cinfo->src->bytes_in_buffer = 0; - } else { - cinfo->src->next_input_byte += num; - cinfo->src->bytes_in_buffer -= num; - } -} -}; -static void* jpeg_alloc_func(unsigned int size) { - return FX_Alloc(char, size); -} -static void jpeg_free_func(void* p) { - FX_Free(p); -} -void* CCodec_JpegModule::Start() { - FXJPEG_Context* p = FX_Alloc(FXJPEG_Context, 1); - p->m_AllocFunc = jpeg_alloc_func; - p->m_FreeFunc = jpeg_free_func; - p->m_ErrMgr.error_exit = _error_fatal1; - p->m_ErrMgr.emit_message = _error_do_nothing1; - p->m_ErrMgr.output_message = _error_do_nothing; - p->m_ErrMgr.format_message = _error_do_nothing2; - p->m_ErrMgr.reset_error_mgr = _error_do_nothing; - p->m_SrcMgr.init_source = _src_do_nothing; - p->m_SrcMgr.term_source = _src_do_nothing; - p->m_SrcMgr.skip_input_data = _src_skip_data1; - p->m_SrcMgr.fill_input_buffer = _src_fill_buffer; - p->m_SrcMgr.resync_to_restart = _src_resync; - p->m_Info.client_data = p; - p->m_Info.err = &p->m_ErrMgr; - if (setjmp(p->m_JumpMark) == -1) { - return 0; - } - jpeg_create_decompress(&p->m_Info); - p->m_Info.src = &p->m_SrcMgr; - p->m_SkipSize = 0; - return p; -} -void CCodec_JpegModule::Finish(void* pContext) { - FXJPEG_Context* p = (FXJPEG_Context*)pContext; - jpeg_destroy_decompress(&p->m_Info); - p->m_FreeFunc(p); -} -void CCodec_JpegModule::Input(void* pContext, - const unsigned char* src_buf, - FX_DWORD src_size) { - FXJPEG_Context* p = (FXJPEG_Context*)pContext; - if (p->m_SkipSize) { - if (p->m_SkipSize > src_size) { - p->m_SrcMgr.bytes_in_buffer = 0; - p->m_SkipSize -= src_size; - return; - } - src_size -= p->m_SkipSize; - src_buf += p->m_SkipSize; - p->m_SkipSize = 0; - } - p->m_SrcMgr.next_input_byte = src_buf; - p->m_SrcMgr.bytes_in_buffer = src_size; -} - -#ifdef PDF_ENABLE_XFA -int CCodec_JpegModule::ReadHeader(void* pContext, - int* width, - int* height, - int* nComps, - CFX_DIBAttribute* pAttribute) { -#else // PDF_ENABLE_XFA -int CCodec_JpegModule::ReadHeader(void* pContext, - int* width, - int* height, - int* nComps) { -#endif // PDF_ENABLE_XFA - FXJPEG_Context* p = (FXJPEG_Context*)pContext; - if (setjmp(p->m_JumpMark) == -1) { - return 1; - } - int ret = jpeg_read_header(&p->m_Info, true); - if (ret == JPEG_SUSPENDED) { - return 2; - } - if (ret != JPEG_HEADER_OK) { - return 1; - } - *width = p->m_Info.image_width; - *height = p->m_Info.image_height; - *nComps = p->m_Info.num_components; -#ifdef PDF_ENABLE_XFA - _JpegLoadAttribute(&p->m_Info, pAttribute); -#endif - return 0; -} -int CCodec_JpegModule::StartScanline(void* pContext, int down_scale) { - FXJPEG_Context* p = (FXJPEG_Context*)pContext; - if (setjmp(p->m_JumpMark) == -1) { - return 0; - } - p->m_Info.scale_denom = down_scale; - return jpeg_start_decompress(&p->m_Info); -} -FX_BOOL CCodec_JpegModule::ReadScanline(void* pContext, - unsigned char* dest_buf) { - FXJPEG_Context* p = (FXJPEG_Context*)pContext; - if (setjmp(p->m_JumpMark) == -1) { - return FALSE; - } - int nlines = jpeg_read_scanlines(&p->m_Info, &dest_buf, 1); - return nlines == 1; -} -FX_DWORD CCodec_JpegModule::GetAvailInput(void* pContext, - uint8_t** avail_buf_ptr) { - if (avail_buf_ptr) { - *avail_buf_ptr = NULL; - if (((FXJPEG_Context*)pContext)->m_SrcMgr.bytes_in_buffer > 0) { - *avail_buf_ptr = - (uint8_t*)((FXJPEG_Context*)pContext)->m_SrcMgr.next_input_byte; - } - } - return (FX_DWORD)((FXJPEG_Context*)pContext)->m_SrcMgr.bytes_in_buffer; -} diff --git a/core/src/fxcodec/codec/fx_codec_jpx_opj.cpp b/core/src/fxcodec/codec/fx_codec_jpx_opj.cpp deleted file mode 100644 index 4ace3ad220..0000000000 --- a/core/src/fxcodec/codec/fx_codec_jpx_opj.cpp +++ /dev/null @@ -1,888 +0,0 @@ -// 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 <algorithm> -#include <limits> -#include <vector> - -#include "core/include/fpdfapi/fpdf_resource.h" -#include "core/include/fxcodec/fx_codec.h" -#include "core/include/fxcrt/fx_safe_types.h" -#include "core/src/fxcodec/codec/codec_int.h" -#include "third_party/lcms2-2.6/include/lcms2.h" -#include "third_party/libopenjpeg20/openjpeg.h" - -static void fx_error_callback(const char* msg, void* client_data) { - (void)client_data; -} -static void fx_warning_callback(const char* msg, void* client_data) { - (void)client_data; -} -static void fx_info_callback(const char* msg, void* client_data) { - (void)client_data; -} -OPJ_SIZE_T opj_read_from_memory(void* p_buffer, - OPJ_SIZE_T nb_bytes, - void* p_user_data) { - DecodeData* srcData = static_cast<DecodeData*>(p_user_data); - if (!srcData || !srcData->src_data || srcData->src_size == 0) { - return -1; - } - // Reads at EOF return an error code. - if (srcData->offset >= srcData->src_size) { - return -1; - } - OPJ_SIZE_T bufferLength = srcData->src_size - srcData->offset; - OPJ_SIZE_T readlength = nb_bytes < bufferLength ? nb_bytes : bufferLength; - memcpy(p_buffer, &srcData->src_data[srcData->offset], readlength); - srcData->offset += readlength; - return readlength; -} -OPJ_SIZE_T opj_write_from_memory(void* p_buffer, - OPJ_SIZE_T nb_bytes, - void* p_user_data) { - DecodeData* srcData = static_cast<DecodeData*>(p_user_data); - if (!srcData || !srcData->src_data || srcData->src_size == 0) { - return -1; - } - // Writes at EOF return an error code. - if (srcData->offset >= srcData->src_size) { - return -1; - } - OPJ_SIZE_T bufferLength = srcData->src_size - srcData->offset; - OPJ_SIZE_T writeLength = nb_bytes < bufferLength ? nb_bytes : bufferLength; - memcpy(&srcData->src_data[srcData->offset], p_buffer, writeLength); - srcData->offset += writeLength; - return writeLength; -} -OPJ_OFF_T opj_skip_from_memory(OPJ_OFF_T nb_bytes, void* p_user_data) { - DecodeData* srcData = static_cast<DecodeData*>(p_user_data); - if (!srcData || !srcData->src_data || srcData->src_size == 0) { - return -1; - } - // Offsets are signed and may indicate a negative skip. Do not support this - // because of the strange return convention where either bytes skipped or - // -1 is returned. Following that convention, a successful relative seek of - // -1 bytes would be required to to give the same result as the error case. - if (nb_bytes < 0) { - return -1; - } - // FIXME: use std::make_unsigned<OPJ_OFF_T>::type once c++11 lib is OK'd. - uint64_t unsignedNbBytes = static_cast<uint64_t>(nb_bytes); - // Additionally, the offset may take us beyond the range of a size_t (e.g. - // 32-bit platforms). If so, just clamp at EOF. - if (unsignedNbBytes > - std::numeric_limits<OPJ_SIZE_T>::max() - srcData->offset) { - srcData->offset = srcData->src_size; - } else { - OPJ_SIZE_T checkedNbBytes = static_cast<OPJ_SIZE_T>(unsignedNbBytes); - // Otherwise, mimic fseek() semantics to always succeed, even past EOF, - // clamping at EOF. We can get away with this since we don't actually - // provide negative relative skips from beyond EOF back to inside the - // data, which would be the only reason to need to know exactly how far - // beyond EOF we are. - srcData->offset = - std::min(srcData->offset + checkedNbBytes, srcData->src_size); - } - return nb_bytes; -} -OPJ_BOOL opj_seek_from_memory(OPJ_OFF_T nb_bytes, void* p_user_data) { - DecodeData* srcData = static_cast<DecodeData*>(p_user_data); - if (!srcData || !srcData->src_data || srcData->src_size == 0) { - return OPJ_FALSE; - } - // Offsets are signed and may indicate a negative position, which would - // be before the start of the file. Do not support this. - if (nb_bytes < 0) { - return OPJ_FALSE; - } - // FIXME: use std::make_unsigned<OPJ_OFF_T>::type once c++11 lib is OK'd. - uint64_t unsignedNbBytes = static_cast<uint64_t>(nb_bytes); - // Additionally, the offset may take us beyond the range of a size_t (e.g. - // 32-bit platforms). If so, just clamp at EOF. - if (unsignedNbBytes > std::numeric_limits<OPJ_SIZE_T>::max()) { - srcData->offset = srcData->src_size; - } else { - OPJ_SIZE_T checkedNbBytes = static_cast<OPJ_SIZE_T>(nb_bytes); - // Otherwise, mimic fseek() semantics to always succeed, even past EOF, - // again clamping at EOF. - srcData->offset = std::min(checkedNbBytes, srcData->src_size); - } - return OPJ_TRUE; -} -opj_stream_t* fx_opj_stream_create_memory_stream(DecodeData* data, - OPJ_SIZE_T p_size, - OPJ_BOOL p_is_read_stream) { - opj_stream_t* l_stream = 00; - if (!data || !data->src_data || data->src_size <= 0) { - return NULL; - } - l_stream = opj_stream_create(p_size, p_is_read_stream); - if (!l_stream) { - return NULL; - } - opj_stream_set_user_data(l_stream, data, NULL); - opj_stream_set_user_data_length(l_stream, data->src_size); - opj_stream_set_read_function(l_stream, opj_read_from_memory); - opj_stream_set_write_function(l_stream, opj_write_from_memory); - opj_stream_set_skip_function(l_stream, opj_skip_from_memory); - opj_stream_set_seek_function(l_stream, opj_seek_from_memory); - return l_stream; -} -static void sycc_to_rgb(int offset, - int upb, - int y, - int cb, - int cr, - int* out_r, - int* out_g, - int* out_b) { - int r, g, b; - cb -= offset; - cr -= offset; - r = y + (int)(1.402 * (float)cr); - if (r < 0) { - r = 0; - } else if (r > upb) { - r = upb; - } - *out_r = r; - g = y - (int)(0.344 * (float)cb + 0.714 * (float)cr); - if (g < 0) { - g = 0; - } else if (g > upb) { - g = upb; - } - *out_g = g; - b = y + (int)(1.772 * (float)cb); - if (b < 0) { - b = 0; - } else if (b > upb) { - b = upb; - } - *out_b = b; -} -static void sycc444_to_rgb(opj_image_t* img) { - int prec = img->comps[0].prec; - int offset = 1 << (prec - 1); - int upb = (1 << prec) - 1; - OPJ_UINT32 maxw = - std::min(std::min(img->comps[0].w, img->comps[1].w), img->comps[2].w); - OPJ_UINT32 maxh = - std::min(std::min(img->comps[0].h, img->comps[1].h), img->comps[2].h); - FX_SAFE_SIZE_T max_size = maxw; - max_size *= maxh; - if (!max_size.IsValid()) - return; - - const int* y = img->comps[0].data; - const int* cb = img->comps[1].data; - const int* cr = img->comps[2].data; - int *d0, *d1, *d2, *r, *g, *b; - d0 = r = FX_Alloc(int, max_size.ValueOrDie()); - d1 = g = FX_Alloc(int, max_size.ValueOrDie()); - d2 = b = FX_Alloc(int, max_size.ValueOrDie()); - for (size_t i = 0; i < max_size.ValueOrDie(); ++i) { - sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b); - ++y; - ++cb; - ++cr; - ++r; - ++g; - ++b; - } - FX_Free(img->comps[0].data); - img->comps[0].data = d0; - FX_Free(img->comps[1].data); - img->comps[1].data = d1; - FX_Free(img->comps[2].data); - img->comps[2].data = d2; -} -static void sycc422_to_rgb(opj_image_t* img) { - int prec = img->comps[0].prec; - int offset = 1 << (prec - 1); - int upb = (1 << prec) - 1; - OPJ_UINT32 maxw = - std::min(std::min(img->comps[0].w, img->comps[1].w), img->comps[2].w); - OPJ_UINT32 maxh = - std::min(std::min(img->comps[0].h, img->comps[1].h), img->comps[2].h); - FX_SAFE_SIZE_T max_size = maxw; - max_size *= maxh; - if (!max_size.IsValid()) - return; - - const int* y = img->comps[0].data; - const int* cb = img->comps[1].data; - const int* cr = img->comps[2].data; - int *d0, *d1, *d2, *r, *g, *b; - d0 = r = FX_Alloc(int, max_size.ValueOrDie()); - d1 = g = FX_Alloc(int, max_size.ValueOrDie()); - d2 = b = FX_Alloc(int, max_size.ValueOrDie()); - for (uint32_t i = 0; i < maxh; ++i) { - OPJ_UINT32 j; - for (j = 0; j < (maxw & ~static_cast<OPJ_UINT32>(1)); j += 2) { - sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b); - ++y; - ++r; - ++g; - ++b; - sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b); - ++y; - ++r; - ++g; - ++b; - ++cb; - ++cr; - } - if (j < maxw) { - sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b); - ++y; - ++r; - ++g; - ++b; - ++cb; - ++cr; - } - } - FX_Free(img->comps[0].data); - img->comps[0].data = d0; - FX_Free(img->comps[1].data); - img->comps[1].data = d1; - FX_Free(img->comps[2].data); - img->comps[2].data = d2; - img->comps[1].w = maxw; - img->comps[1].h = maxh; - img->comps[2].w = maxw; - img->comps[2].h = maxh; - img->comps[1].dx = img->comps[0].dx; - img->comps[2].dx = img->comps[0].dx; - img->comps[1].dy = img->comps[0].dy; - img->comps[2].dy = img->comps[0].dy; -} -static bool sycc420_size_is_valid(OPJ_UINT32 y, OPJ_UINT32 cbcr) { - if (!y || !cbcr) - return false; - - return (cbcr == y / 2) || ((y & 1) && (cbcr == y / 2 + 1)); -} -static bool sycc420_must_extend_cbcr(OPJ_UINT32 y, OPJ_UINT32 cbcr) { - return (y & 1) && (cbcr == y / 2); -} -void sycc420_to_rgb(opj_image_t* img) { - OPJ_UINT32 prec = img->comps[0].prec; - if (!prec) - return; - OPJ_UINT32 offset = 1 << (prec - 1); - OPJ_UINT32 upb = (1 << prec) - 1; - OPJ_UINT32 yw = img->comps[0].w; - OPJ_UINT32 yh = img->comps[0].h; - OPJ_UINT32 cbw = img->comps[1].w; - OPJ_UINT32 cbh = img->comps[1].h; - OPJ_UINT32 crw = img->comps[2].w; - OPJ_UINT32 crh = img->comps[2].h; - if (cbw != crw || cbh != crh) - return; - if (!sycc420_size_is_valid(yw, cbw) || !sycc420_size_is_valid(yh, cbh)) - return; - bool extw = sycc420_must_extend_cbcr(yw, cbw); - bool exth = sycc420_must_extend_cbcr(yh, cbh); - FX_SAFE_DWORD safeSize = yw; - safeSize *= yh; - if (!safeSize.IsValid()) - return; - int* r = FX_Alloc(int, safeSize.ValueOrDie()); - int* g = FX_Alloc(int, safeSize.ValueOrDie()); - int* b = FX_Alloc(int, safeSize.ValueOrDie()); - int* d0 = r; - int* d1 = g; - int* d2 = b; - const int* y = img->comps[0].data; - const int* cb = img->comps[1].data; - const int* cr = img->comps[2].data; - const int* ny = nullptr; - int* nr = nullptr; - int* ng = nullptr; - int* nb = nullptr; - OPJ_UINT32 i = 0; - OPJ_UINT32 j = 0; - for (i = 0; i < (yh & ~(OPJ_UINT32)1); i += 2) { - ny = y + yw; - nr = r + yw; - ng = g + yw; - nb = b + yw; - for (j = 0; j < (yw & ~(OPJ_UINT32)1); j += 2) { - sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b); - ++y; - ++r; - ++g; - ++b; - sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b); - ++y; - ++r; - ++g; - ++b; - sycc_to_rgb(offset, upb, *ny, *cb, *cr, nr, ng, nb); - ++ny; - ++nr; - ++ng; - ++nb; - sycc_to_rgb(offset, upb, *ny, *cb, *cr, nr, ng, nb); - ++ny; - ++nr; - ++ng; - ++nb; - ++cb; - ++cr; - } - if (j < yw) { - if (extw) { - --cb; - --cr; - } - sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b); - ++y; - ++r; - ++g; - ++b; - sycc_to_rgb(offset, upb, *ny, *cb, *cr, nr, ng, nb); - ++ny; - ++nr; - ++ng; - ++nb; - ++cb; - ++cr; - } - y += yw; - r += yw; - g += yw; - b += yw; - } - if (i < yh) { - if (exth) { - cb -= cbw; - cr -= crw; - } - for (j = 0; j < (yw & ~(OPJ_UINT32)1); j += 2) { - sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b); - ++y; - ++r; - ++g; - ++b; - sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b); - ++y; - ++r; - ++g; - ++b; - ++cb; - ++cr; - } - if (j < yw) { - if (extw) { - --cb; - --cr; - } - sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b); - } - } - - FX_Free(img->comps[0].data); - img->comps[0].data = d0; - FX_Free(img->comps[1].data); - img->comps[1].data = d1; - FX_Free(img->comps[2].data); - img->comps[2].data = d2; - img->comps[1].w = yw; - img->comps[1].h = yh; - img->comps[2].w = yw; - img->comps[2].h = yh; - img->comps[1].w = yw; - img->comps[1].h = yh; - img->comps[2].w = yw; - img->comps[2].h = yh; - img->comps[1].dx = img->comps[0].dx; - img->comps[2].dx = img->comps[0].dx; - img->comps[1].dy = img->comps[0].dy; - img->comps[2].dy = img->comps[0].dy; -} -void color_sycc_to_rgb(opj_image_t* img) { - if (img->numcomps < 3) { - img->color_space = OPJ_CLRSPC_GRAY; - return; - } - if ((img->comps[0].dx == 1) && (img->comps[1].dx == 2) && - (img->comps[2].dx == 2) && (img->comps[0].dy == 1) && - (img->comps[1].dy == 2) && (img->comps[2].dy == 2)) { - sycc420_to_rgb(img); - } else if ((img->comps[0].dx == 1) && (img->comps[1].dx == 2) && - (img->comps[2].dx == 2) && (img->comps[0].dy == 1) && - (img->comps[1].dy == 1) && (img->comps[2].dy == 1)) { - sycc422_to_rgb(img); - } else if ((img->comps[0].dx == 1) && (img->comps[1].dx == 1) && - (img->comps[2].dx == 1) && (img->comps[0].dy == 1) && - (img->comps[1].dy == 1) && (img->comps[2].dy == 1)) { - sycc444_to_rgb(img); - } else { - return; - } - img->color_space = OPJ_CLRSPC_SRGB; -} -void color_apply_icc_profile(opj_image_t* image) { - cmsHPROFILE out_prof; - cmsUInt32Number in_type; - cmsUInt32Number out_type; - int* r; - int* g; - int* b; - int max; - cmsHPROFILE in_prof = - cmsOpenProfileFromMem(image->icc_profile_buf, image->icc_profile_len); - if (!in_prof) { - return; - } - cmsColorSpaceSignature out_space = cmsGetColorSpace(in_prof); - cmsUInt32Number intent = cmsGetHeaderRenderingIntent(in_prof); - int max_w = (int)image->comps[0].w; - int max_h = (int)image->comps[0].h; - int prec = (int)image->comps[0].prec; - OPJ_COLOR_SPACE oldspace = image->color_space; - if (out_space == cmsSigRgbData) { - if (prec <= 8) { - in_type = TYPE_RGB_8; - out_type = TYPE_RGB_8; - } else { - in_type = TYPE_RGB_16; - out_type = TYPE_RGB_16; - } - out_prof = cmsCreate_sRGBProfile(); - image->color_space = OPJ_CLRSPC_SRGB; - } else if (out_space == cmsSigGrayData) { - if (prec <= 8) { - in_type = TYPE_GRAY_8; - out_type = TYPE_RGB_8; - } else { - in_type = TYPE_GRAY_16; - out_type = TYPE_RGB_16; - } - out_prof = cmsCreate_sRGBProfile(); - image->color_space = OPJ_CLRSPC_SRGB; - } else if (out_space == cmsSigYCbCrData) { - in_type = TYPE_YCbCr_16; - out_type = TYPE_RGB_16; - out_prof = cmsCreate_sRGBProfile(); - image->color_space = OPJ_CLRSPC_SRGB; - } else { - return; - } - cmsHTRANSFORM transform = - cmsCreateTransform(in_prof, in_type, out_prof, out_type, intent, 0); - cmsCloseProfile(in_prof); - cmsCloseProfile(out_prof); - if (!transform) { - image->color_space = oldspace; - return; - } - if (image->numcomps > 2) { - if (prec <= 8) { - unsigned char *inbuf, *outbuf, *in, *out; - max = max_w * max_h; - cmsUInt32Number nr_samples = max * 3 * sizeof(unsigned char); - in = inbuf = FX_Alloc(unsigned char, nr_samples); - out = outbuf = FX_Alloc(unsigned char, nr_samples); - r = image->comps[0].data; - g = image->comps[1].data; - b = image->comps[2].data; - for (int i = 0; i < max; ++i) { - *in++ = (unsigned char)*r++; - *in++ = (unsigned char)*g++; - *in++ = (unsigned char)*b++; - } - cmsDoTransform(transform, inbuf, outbuf, (cmsUInt32Number)max); - r = image->comps[0].data; - g = image->comps[1].data; - b = image->comps[2].data; - for (int i = 0; i < max; ++i) { - *r++ = (int)*out++; - *g++ = (int)*out++; - *b++ = (int)*out++; - } - FX_Free(inbuf); - FX_Free(outbuf); - } else { - unsigned short *inbuf, *outbuf, *in, *out; - max = max_w * max_h; - cmsUInt32Number nr_samples = max * 3 * sizeof(unsigned short); - in = inbuf = FX_Alloc(unsigned short, nr_samples); - out = outbuf = FX_Alloc(unsigned short, nr_samples); - r = image->comps[0].data; - g = image->comps[1].data; - b = image->comps[2].data; - for (int i = 0; i < max; ++i) { - *in++ = (unsigned short)*r++; - *in++ = (unsigned short)*g++; - *in++ = (unsigned short)*b++; - } - cmsDoTransform(transform, inbuf, outbuf, (cmsUInt32Number)max); - r = image->comps[0].data; - g = image->comps[1].data; - b = image->comps[2].data; - for (int i = 0; i < max; ++i) { - *r++ = (int)*out++; - *g++ = (int)*out++; - *b++ = (int)*out++; - } - FX_Free(inbuf); - FX_Free(outbuf); - } - } else { - unsigned char *in, *inbuf, *out, *outbuf; - max = max_w * max_h; - cmsUInt32Number nr_samples = - (cmsUInt32Number)max * 3 * sizeof(unsigned char); - in = inbuf = FX_Alloc(unsigned char, nr_samples); - out = outbuf = FX_Alloc(unsigned char, nr_samples); - image->comps = (opj_image_comp_t*)realloc( - image->comps, (image->numcomps + 2) * sizeof(opj_image_comp_t)); - if (image->numcomps == 2) { - image->comps[3] = image->comps[1]; - } - image->comps[1] = image->comps[0]; - image->comps[2] = image->comps[0]; - image->comps[1].data = FX_Alloc(int, (size_t)max); - FXSYS_memset(image->comps[1].data, 0, sizeof(int) * (size_t)max); - image->comps[2].data = FX_Alloc(int, (size_t)max); - FXSYS_memset(image->comps[2].data, 0, sizeof(int) * (size_t)max); - image->numcomps += 2; - r = image->comps[0].data; - for (int i = 0; i < max; ++i) { - *in++ = (unsigned char)*r++; - } - cmsDoTransform(transform, inbuf, outbuf, (cmsUInt32Number)max); - r = image->comps[0].data; - g = image->comps[1].data; - b = image->comps[2].data; - for (int i = 0; i < max; ++i) { - *r++ = (int)*out++; - *g++ = (int)*out++; - *b++ = (int)*out++; - } - FX_Free(inbuf); - FX_Free(outbuf); - } - cmsDeleteTransform(transform); -} -void color_apply_conversion(opj_image_t* image) { - int* row; - int enumcs, numcomps; - numcomps = image->numcomps; - if (numcomps < 3) { - return; - } - row = (int*)image->icc_profile_buf; - enumcs = row[0]; - if (enumcs == 14) { - int *L, *a, *b, *red, *green, *blue, *src0, *src1, *src2; - double rl, ol, ra, oa, rb, ob, prec0, prec1, prec2; - double minL, maxL, mina, maxa, minb, maxb; - unsigned int default_type; - unsigned int i, max; - cmsHPROFILE in, out; - cmsHTRANSFORM transform; - cmsUInt16Number RGB[3]; - cmsCIELab Lab; - in = cmsCreateLab4Profile(NULL); - out = cmsCreate_sRGBProfile(); - transform = cmsCreateTransform(in, TYPE_Lab_DBL, out, TYPE_RGB_16, - INTENT_PERCEPTUAL, 0); - cmsCloseProfile(in); - cmsCloseProfile(out); - if (!transform) { - return; - } - prec0 = (double)image->comps[0].prec; - prec1 = (double)image->comps[1].prec; - prec2 = (double)image->comps[2].prec; - default_type = row[1]; - if (default_type == 0x44454600) { - rl = 100; - ra = 170; - rb = 200; - ol = 0; - oa = pow(2, prec1 - 1); - ob = pow(2, prec2 - 2) + pow(2, prec2 - 3); - } else { - rl = row[2]; - ra = row[4]; - rb = row[6]; - ol = row[3]; - oa = row[5]; - ob = row[7]; - } - L = src0 = image->comps[0].data; - a = src1 = image->comps[1].data; - b = src2 = image->comps[2].data; - max = image->comps[0].w * image->comps[0].h; - red = FX_Alloc(int, max); - image->comps[0].data = red; - green = FX_Alloc(int, max); - image->comps[1].data = green; - blue = FX_Alloc(int, max); - image->comps[2].data = blue; - minL = -(rl * ol) / (pow(2, prec0) - 1); - maxL = minL + rl; - mina = -(ra * oa) / (pow(2, prec1) - 1); - maxa = mina + ra; - minb = -(rb * ob) / (pow(2, prec2) - 1); - maxb = minb + rb; - for (i = 0; i < max; ++i) { - Lab.L = minL + (double)(*L) * (maxL - minL) / (pow(2, prec0) - 1); - ++L; - Lab.a = mina + (double)(*a) * (maxa - mina) / (pow(2, prec1) - 1); - ++a; - Lab.b = minb + (double)(*b) * (maxb - minb) / (pow(2, prec2) - 1); - ++b; - cmsDoTransform(transform, &Lab, RGB, 1); - *red++ = RGB[0]; - *green++ = RGB[1]; - *blue++ = RGB[2]; - } - cmsDeleteTransform(transform); - FX_Free(src0); - FX_Free(src1); - FX_Free(src2); - image->color_space = OPJ_CLRSPC_SRGB; - image->comps[0].prec = 16; - image->comps[1].prec = 16; - image->comps[2].prec = 16; - return; - } -} -class CJPX_Decoder { - public: - explicit CJPX_Decoder(CPDF_ColorSpace* cs); - ~CJPX_Decoder(); - FX_BOOL Init(const unsigned char* src_data, FX_DWORD src_size); - void GetInfo(FX_DWORD* width, FX_DWORD* height, FX_DWORD* components); - bool Decode(uint8_t* dest_buf, - int pitch, - const std::vector<uint8_t>& offsets); - - private: - const uint8_t* m_SrcData; - FX_DWORD m_SrcSize; - opj_image_t* image; - opj_codec_t* l_codec; - opj_stream_t* l_stream; - const CPDF_ColorSpace* const m_ColorSpace; -}; - -CJPX_Decoder::CJPX_Decoder(CPDF_ColorSpace* cs) - : image(nullptr), l_codec(nullptr), l_stream(nullptr), m_ColorSpace(cs) {} - -CJPX_Decoder::~CJPX_Decoder() { - if (l_codec) { - opj_destroy_codec(l_codec); - } - if (l_stream) { - opj_stream_destroy(l_stream); - } - if (image) { - opj_image_destroy(image); - } -} - -FX_BOOL CJPX_Decoder::Init(const unsigned char* src_data, FX_DWORD src_size) { - static const unsigned char szJP2Header[] = { - 0x00, 0x00, 0x00, 0x0c, 0x6a, 0x50, 0x20, 0x20, 0x0d, 0x0a, 0x87, 0x0a}; - if (!src_data || src_size < sizeof(szJP2Header)) - return FALSE; - - image = NULL; - m_SrcData = src_data; - m_SrcSize = src_size; - DecodeData srcData(const_cast<unsigned char*>(src_data), src_size); - l_stream = fx_opj_stream_create_memory_stream(&srcData, - OPJ_J2K_STREAM_CHUNK_SIZE, 1); - if (!l_stream) { - return FALSE; - } - opj_dparameters_t parameters; - opj_set_default_decoder_parameters(¶meters); - parameters.decod_format = 0; - parameters.cod_format = 3; - if (FXSYS_memcmp(m_SrcData, szJP2Header, sizeof(szJP2Header)) == 0) { - l_codec = opj_create_decompress(OPJ_CODEC_JP2); - parameters.decod_format = 1; - } else { - l_codec = opj_create_decompress(OPJ_CODEC_J2K); - } - if (!l_codec) { - return FALSE; - } - if (m_ColorSpace && m_ColorSpace->GetFamily() == PDFCS_INDEXED) - parameters.flags |= OPJ_DPARAMETERS_IGNORE_PCLR_CMAP_CDEF_FLAG; - opj_set_info_handler(l_codec, fx_info_callback, 00); - opj_set_warning_handler(l_codec, fx_warning_callback, 00); - opj_set_error_handler(l_codec, fx_error_callback, 00); - if (!opj_setup_decoder(l_codec, ¶meters)) { - return FALSE; - } - if (!opj_read_header(l_stream, l_codec, &image)) { - image = NULL; - return FALSE; - } - image->pdfium_use_colorspace = !!m_ColorSpace; - - if (!parameters.nb_tile_to_decode) { - if (!opj_set_decode_area(l_codec, image, parameters.DA_x0, parameters.DA_y0, - parameters.DA_x1, parameters.DA_y1)) { - opj_image_destroy(image); - image = NULL; - return FALSE; - } - if (!(opj_decode(l_codec, l_stream, image) && - opj_end_decompress(l_codec, l_stream))) { - opj_image_destroy(image); - image = NULL; - return FALSE; - } - } else { - if (!opj_get_decoded_tile(l_codec, l_stream, image, - parameters.tile_index)) { - return FALSE; - } - } - opj_stream_destroy(l_stream); - l_stream = NULL; - if (image->color_space != OPJ_CLRSPC_SYCC && image->numcomps == 3 && - image->comps[0].dx == image->comps[0].dy && image->comps[1].dx != 1) { - image->color_space = OPJ_CLRSPC_SYCC; - } else if (image->numcomps <= 2) { - image->color_space = OPJ_CLRSPC_GRAY; - } - if (image->color_space == OPJ_CLRSPC_SYCC) { - color_sycc_to_rgb(image); - } - if (image->icc_profile_buf) { - FX_Free(image->icc_profile_buf); - image->icc_profile_buf = NULL; - image->icc_profile_len = 0; - } - if (!image) { - return FALSE; - } - return TRUE; -} - -void CJPX_Decoder::GetInfo(FX_DWORD* width, - FX_DWORD* height, - FX_DWORD* components) { - *width = (FX_DWORD)image->x1; - *height = (FX_DWORD)image->y1; - *components = (FX_DWORD)image->numcomps; -} - -bool CJPX_Decoder::Decode(uint8_t* dest_buf, - int pitch, - const std::vector<uint8_t>& offsets) { - if (image->comps[0].w != image->x1 || image->comps[0].h != image->y1) - return false; - - if (pitch<(int)(image->comps[0].w * 8 * image->numcomps + 31)>> 5 << 2) - return false; - - FXSYS_memset(dest_buf, 0xff, image->y1 * pitch); - std::vector<uint8_t*> channel_bufs(image->numcomps); - std::vector<int> adjust_comps(image->numcomps); - for (uint32_t i = 0; i < image->numcomps; i++) { - channel_bufs[i] = dest_buf + offsets[i]; - adjust_comps[i] = image->comps[i].prec - 8; - if (i > 0) { - if (image->comps[i].dx != image->comps[i - 1].dx || - image->comps[i].dy != image->comps[i - 1].dy || - image->comps[i].prec != image->comps[i - 1].prec) { - return false; - } - } - } - int width = image->comps[0].w; - int height = image->comps[0].h; - for (uint32_t channel = 0; channel < image->numcomps; ++channel) { - uint8_t* pChannel = channel_bufs[channel]; - if (adjust_comps[channel] < 0) { - for (int row = 0; row < height; ++row) { - uint8_t* pScanline = pChannel + row * pitch; - for (int col = 0; col < width; ++col) { - uint8_t* pPixel = pScanline + col * image->numcomps; - int src = image->comps[channel].data[row * width + col]; - src += image->comps[channel].sgnd - ? 1 << (image->comps[channel].prec - 1) - : 0; - if (adjust_comps[channel] > 0) { - *pPixel = 0; - } else { - *pPixel = (uint8_t)(src << -adjust_comps[channel]); - } - } - } - } else { - for (int row = 0; row < height; ++row) { - uint8_t* pScanline = pChannel + row * pitch; - for (int col = 0; col < width; ++col) { - uint8_t* pPixel = pScanline + col * image->numcomps; - if (!image->comps[channel].data) { - continue; - } - int src = image->comps[channel].data[row * width + col]; - src += image->comps[channel].sgnd - ? 1 << (image->comps[channel].prec - 1) - : 0; - if (adjust_comps[channel] - 1 < 0) { - *pPixel = (uint8_t)((src >> adjust_comps[channel])); - } else { - int tmpPixel = (src >> adjust_comps[channel]) + - ((src >> (adjust_comps[channel] - 1)) % 2); - if (tmpPixel > 255) { - tmpPixel = 255; - } else if (tmpPixel < 0) { - tmpPixel = 0; - } - *pPixel = (uint8_t)tmpPixel; - } - } - } - } - } - return true; -} - -CCodec_JpxModule::CCodec_JpxModule() {} -CCodec_JpxModule::~CCodec_JpxModule() { -} - -CJPX_Decoder* CCodec_JpxModule::CreateDecoder(const uint8_t* src_buf, - FX_DWORD src_size, - CPDF_ColorSpace* cs) { - std::unique_ptr<CJPX_Decoder> decoder(new CJPX_Decoder(cs)); - return decoder->Init(src_buf, src_size) ? decoder.release() : nullptr; -} - -void CCodec_JpxModule::GetImageInfo(CJPX_Decoder* pDecoder, - FX_DWORD* width, - FX_DWORD* height, - FX_DWORD* components) { - pDecoder->GetInfo(width, height, components); -} - -bool CCodec_JpxModule::Decode(CJPX_Decoder* pDecoder, - uint8_t* dest_data, - int pitch, - const std::vector<uint8_t>& offsets) { - return pDecoder->Decode(dest_data, pitch, offsets); -} - -void CCodec_JpxModule::DestroyDecoder(CJPX_Decoder* pDecoder) { - delete pDecoder; -} diff --git a/core/src/fxcodec/codec/fx_codec_jpx_unittest.cpp b/core/src/fxcodec/codec/fx_codec_jpx_unittest.cpp deleted file mode 100644 index c472ef18c6..0000000000 --- a/core/src/fxcodec/codec/fx_codec_jpx_unittest.cpp +++ /dev/null @@ -1,538 +0,0 @@ -// 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. - -#include <stdint.h> - -#include <limits> - -#include "core/src/fxcodec/codec/codec_int.h" -#include "testing/fx_string_testhelpers.h" -#include "testing/gtest/include/gtest/gtest.h" - -static const OPJ_OFF_T kSkipError = static_cast<OPJ_OFF_T>(-1); -static const OPJ_SIZE_T kReadError = static_cast<OPJ_SIZE_T>(-1); -static const OPJ_SIZE_T kWriteError = static_cast<OPJ_SIZE_T>(-1); - -static unsigned char stream_data[] = { - 0x00, 0x01, 0x02, 0x03, - 0x84, 0x85, 0x86, 0x87, // Include some hi-bytes, too. -}; - -TEST(fxcodec, DecodeDataNullDecodeData) { - unsigned char buffer[16]; - DecodeData* ptr = nullptr; - - // Error codes, not segvs, should callers pass us a NULL pointer. - EXPECT_EQ(kReadError, opj_read_from_memory(buffer, sizeof(buffer), ptr)); - EXPECT_EQ(kWriteError, opj_write_from_memory(buffer, sizeof(buffer), ptr)); - EXPECT_EQ(kSkipError, opj_skip_from_memory(1, ptr)); - EXPECT_FALSE(opj_seek_from_memory(1, ptr)); -} - -TEST(fxcodec, DecodeDataNullStream) { - DecodeData dd(nullptr, 0); - unsigned char buffer[16]; - - // Reads of size 0 do nothing but return an error code. - memset(buffer, 0xbd, sizeof(buffer)); - EXPECT_EQ(kReadError, opj_read_from_memory(buffer, 0, &dd)); - EXPECT_EQ(0xbd, buffer[0]); - - // Reads of nonzero size do nothing but return an error code. - memset(buffer, 0xbd, sizeof(buffer)); - EXPECT_EQ(kReadError, opj_read_from_memory(buffer, sizeof(buffer), &dd)); - EXPECT_EQ(0xbd, buffer[0]); - - // writes of size 0 do nothing but return an error code. - EXPECT_EQ(kWriteError, opj_write_from_memory(buffer, 0, &dd)); - - // writes of nonzero size do nothing but return an error code. - EXPECT_EQ(kWriteError, opj_write_from_memory(buffer, sizeof(buffer), &dd)); - - // Skips of size 0 always return an error code. - EXPECT_EQ(kSkipError, opj_skip_from_memory(0, &dd)); - - // Skips of nonzero size always return an error code. - EXPECT_EQ(kSkipError, opj_skip_from_memory(1, &dd)); - - // Seeks to 0 offset return in error. - EXPECT_FALSE(opj_seek_from_memory(0, &dd)); - - // Seeks to non-zero offsets return in error. - EXPECT_FALSE(opj_seek_from_memory(1, &dd)); -} - -TEST(fxcodec, DecodeDataZeroSize) { - DecodeData dd(stream_data, 0); - unsigned char buffer[16]; - - // Reads of size 0 do nothing but return an error code. - memset(buffer, 0xbd, sizeof(buffer)); - EXPECT_EQ(kReadError, opj_read_from_memory(buffer, 0, &dd)); - EXPECT_EQ(0xbd, buffer[0]); - - // Reads of nonzero size do nothing but return an error code. - memset(buffer, 0xbd, sizeof(buffer)); - EXPECT_EQ(kReadError, opj_read_from_memory(buffer, sizeof(buffer), &dd)); - EXPECT_EQ(0xbd, buffer[0]); - - // writes of size 0 do nothing but return an error code. - EXPECT_EQ(kWriteError, opj_write_from_memory(buffer, 0, &dd)); - - // writes of nonzero size do nothing but return an error code. - EXPECT_EQ(kWriteError, opj_write_from_memory(buffer, sizeof(buffer), &dd)); - - // Skips of size 0 always return an error code. - EXPECT_EQ(kSkipError, opj_skip_from_memory(0, &dd)); - - // Skips of nonzero size always return an error code. - EXPECT_EQ(kSkipError, opj_skip_from_memory(1, &dd)); - - // Seeks to 0 offset return in error. - EXPECT_FALSE(opj_seek_from_memory(0, &dd)); - - // Seeks to non-zero offsets return in error. - EXPECT_FALSE(opj_seek_from_memory(1, &dd)); -} - -TEST(fxcodec, DecodeDataReadInBounds) { - unsigned char buffer[16]; - { - DecodeData dd(stream_data, sizeof(stream_data)); - - // Exact sized read in a single call. - memset(buffer, 0xbd, sizeof(buffer)); - EXPECT_EQ(8u, opj_read_from_memory(buffer, sizeof(buffer), &dd)); - EXPECT_EQ(0x00, buffer[0]); - EXPECT_EQ(0x01, buffer[1]); - EXPECT_EQ(0x02, buffer[2]); - EXPECT_EQ(0x03, buffer[3]); - EXPECT_EQ(0x84, buffer[4]); - EXPECT_EQ(0x85, buffer[5]); - EXPECT_EQ(0x86, buffer[6]); - EXPECT_EQ(0x87, buffer[7]); - EXPECT_EQ(0xbd, buffer[8]); - } - { - DecodeData dd(stream_data, sizeof(stream_data)); - - // Simple read. - memset(buffer, 0xbd, sizeof(buffer)); - EXPECT_EQ(2u, opj_read_from_memory(buffer, 2, &dd)); - EXPECT_EQ(0x00, buffer[0]); - EXPECT_EQ(0x01, buffer[1]); - EXPECT_EQ(0xbd, buffer[2]); - - // Read of size 0 doesn't affect things. - memset(buffer, 0xbd, sizeof(buffer)); - EXPECT_EQ(0u, opj_read_from_memory(buffer, 0, &dd)); - EXPECT_EQ(0xbd, buffer[0]); - - // Read exactly up to end of data. - memset(buffer, 0xbd, sizeof(buffer)); - EXPECT_EQ(6u, opj_read_from_memory(buffer, 6, &dd)); - EXPECT_EQ(0x02, buffer[0]); - EXPECT_EQ(0x03, buffer[1]); - EXPECT_EQ(0x84, buffer[2]); - EXPECT_EQ(0x85, buffer[3]); - EXPECT_EQ(0x86, buffer[4]); - EXPECT_EQ(0x87, buffer[5]); - EXPECT_EQ(0xbd, buffer[6]); - - // Read of size 0 at EOF is still an error. - memset(buffer, 0xbd, sizeof(buffer)); - EXPECT_EQ(kReadError, opj_read_from_memory(buffer, 0, &dd)); - EXPECT_EQ(0xbd, buffer[0]); - } -} - -TEST(fxcodec, DecodeDataReadBeyondBounds) { - unsigned char buffer[16]; - { - DecodeData dd(stream_data, sizeof(stream_data)); - - // Read beyond bounds in a single step. - memset(buffer, 0xbd, sizeof(buffer)); - EXPECT_EQ(8u, opj_read_from_memory(buffer, sizeof(buffer) + 1, &dd)); - EXPECT_EQ(0x00, buffer[0]); - EXPECT_EQ(0x01, buffer[1]); - EXPECT_EQ(0x02, buffer[2]); - EXPECT_EQ(0x03, buffer[3]); - EXPECT_EQ(0x84, buffer[4]); - EXPECT_EQ(0x85, buffer[5]); - EXPECT_EQ(0x86, buffer[6]); - EXPECT_EQ(0x87, buffer[7]); - EXPECT_EQ(0xbd, buffer[8]); - } - { - DecodeData dd(stream_data, sizeof(stream_data)); - - // Read well beyond bounds in a single step. - memset(buffer, 0xbd, sizeof(buffer)); - EXPECT_EQ(8u, opj_read_from_memory( - buffer, std::numeric_limits<OPJ_SIZE_T>::max(), &dd)); - EXPECT_EQ(0x00, buffer[0]); - EXPECT_EQ(0x01, buffer[1]); - EXPECT_EQ(0x02, buffer[2]); - EXPECT_EQ(0x03, buffer[3]); - EXPECT_EQ(0x84, buffer[4]); - EXPECT_EQ(0x85, buffer[5]); - EXPECT_EQ(0x86, buffer[6]); - EXPECT_EQ(0x87, buffer[7]); - EXPECT_EQ(0xbd, buffer[8]); - } - { - DecodeData dd(stream_data, sizeof(stream_data)); - - // Read of size 6 gets first 6 bytes. - // rest of buffer intact. - memset(buffer, 0xbd, sizeof(buffer)); - EXPECT_EQ(6u, opj_read_from_memory(buffer, 6, &dd)); - EXPECT_EQ(0x00, buffer[0]); - EXPECT_EQ(0x01, buffer[1]); - EXPECT_EQ(0x02, buffer[2]); - EXPECT_EQ(0x03, buffer[3]); - EXPECT_EQ(0x84, buffer[4]); - EXPECT_EQ(0x85, buffer[5]); - EXPECT_EQ(0xbd, buffer[6]); - - // Read of size 6 gets remaining two bytes. - memset(buffer, 0xbd, sizeof(buffer)); - EXPECT_EQ(2u, opj_read_from_memory(buffer, 6, &dd)); - EXPECT_EQ(0x86, buffer[0]); - EXPECT_EQ(0x87, buffer[1]); - EXPECT_EQ(0xbd, buffer[2]); - - // Read of 6 more gets nothing and leaves rest of buffer intact. - memset(buffer, 0xbd, sizeof(buffer)); - EXPECT_EQ(kReadError, opj_read_from_memory(buffer, 6, &dd)); - EXPECT_EQ(0xbd, buffer[0]); - } -} - -TEST(fxcodec, DecodeDataWriteInBounds) { - unsigned char stream[16]; - static unsigned char buffer_data[] = { - 0x00, 0x01, 0x02, 0x03, 0x80, 0x80, 0x81, 0x82, 0x83, 0x84, - }; - { - // Pretend the stream can only hold 4 bytes. - DecodeData dd(stream, 4); - - memset(stream, 0xbd, sizeof(stream)); - EXPECT_EQ(4u, opj_write_from_memory(buffer_data, 4, &dd)); - EXPECT_EQ(0x00, stream[0]); - EXPECT_EQ(0x01, stream[1]); - EXPECT_EQ(0x02, stream[2]); - EXPECT_EQ(0x03, stream[3]); - EXPECT_EQ(0xbd, stream[4]); - } - { - // Pretend the stream can only hold 4 bytes. - DecodeData dd(stream, 4); - - memset(stream, 0xbd, sizeof(stream)); - EXPECT_EQ(2u, opj_write_from_memory(buffer_data, 2, &dd)); - EXPECT_EQ(2u, opj_write_from_memory(buffer_data, 2, &dd)); - EXPECT_EQ(0x00, stream[0]); - EXPECT_EQ(0x01, stream[1]); - EXPECT_EQ(0x00, stream[2]); - EXPECT_EQ(0x01, stream[3]); - EXPECT_EQ(0xbd, stream[4]); - } -} - -TEST(fxcodec, DecodeDataWriteBeyondBounds) { - unsigned char stream[16]; - static unsigned char buffer_data[] = { - 0x10, 0x11, 0x12, 0x13, 0x94, 0x95, 0x96, 0x97, - }; - { - // Pretend the stream can only hold 4 bytes. - DecodeData dd(stream, 4); - - // Write ending past EOF transfers up til EOF. - memset(stream, 0xbd, sizeof(stream)); - EXPECT_EQ(4u, opj_write_from_memory(buffer_data, 5, &dd)); - EXPECT_EQ(0x10, stream[0]); - EXPECT_EQ(0x11, stream[1]); - EXPECT_EQ(0x12, stream[2]); - EXPECT_EQ(0x13, stream[3]); - EXPECT_EQ(0xbd, stream[4]); - - // Subsequent writes fail. - memset(stream, 0xbd, sizeof(stream)); - EXPECT_EQ(kWriteError, opj_write_from_memory(buffer_data, 5, &dd)); - EXPECT_EQ(0xbd, stream[0]); - } - { - // Pretend the stream can only hold 4 bytes. - DecodeData dd(stream, 4); - - // Write ending past EOF (two steps) transfers up til EOF. - memset(stream, 0xbd, sizeof(stream)); - EXPECT_EQ(2u, opj_write_from_memory(buffer_data, 2, &dd)); - EXPECT_EQ(2u, opj_write_from_memory(buffer_data, 4, &dd)); - EXPECT_EQ(0x10, stream[0]); - EXPECT_EQ(0x11, stream[1]); - EXPECT_EQ(0x10, stream[2]); - EXPECT_EQ(0x11, stream[3]); - EXPECT_EQ(0xbd, stream[4]); - - // Subsequent writes fail. - memset(stream, 0xbd, sizeof(stream)); - EXPECT_EQ(kWriteError, opj_write_from_memory(buffer_data, 5, &dd)); - EXPECT_EQ(0xbd, stream[0]); - } -} - -// Note: Some care needs to be taken here because the skip/seek functions -// take OPJ_OFF_T's as arguments, which are typically a signed type. -TEST(fxcodec, DecodeDataSkip) { - unsigned char buffer[16]; - { - DecodeData dd(stream_data, sizeof(stream_data)); - - // Skiping within buffer is allowed. - memset(buffer, 0xbd, sizeof(buffer)); - EXPECT_EQ(1, opj_skip_from_memory(1, &dd)); - EXPECT_EQ(1u, opj_read_from_memory(buffer, 1, &dd)); - EXPECT_EQ(0x01, buffer[0]); - EXPECT_EQ(0xbd, buffer[1]); - - // Skiping 0 bytes changes nothing. - memset(buffer, 0xbd, sizeof(buffer)); - EXPECT_EQ(0, opj_skip_from_memory(0, &dd)); - EXPECT_EQ(1u, opj_read_from_memory(buffer, 1, &dd)); - EXPECT_EQ(0x02, buffer[0]); - EXPECT_EQ(0xbd, buffer[1]); - - // Skiping to EOS-1 is possible. - memset(buffer, 0xbd, sizeof(buffer)); - EXPECT_EQ(4, opj_skip_from_memory(4, &dd)); - EXPECT_EQ(1u, opj_read_from_memory(buffer, 1, &dd)); - EXPECT_EQ(0x87, buffer[0]); - EXPECT_EQ(0xbd, buffer[1]); - - // Next read fails. - memset(buffer, 0xbd, sizeof(buffer)); - EXPECT_EQ(kReadError, opj_read_from_memory(buffer, 1, &dd)); - EXPECT_EQ(0xbd, buffer[0]); - } - { - DecodeData dd(stream_data, sizeof(stream_data)); - - // Skiping directly to EOS is allowed. - memset(buffer, 0xbd, sizeof(buffer)); - EXPECT_EQ(8, opj_skip_from_memory(8, &dd)); - - // Next read fails. - EXPECT_EQ(kReadError, opj_read_from_memory(buffer, 1, &dd)); - EXPECT_EQ(0xbd, buffer[0]); - } - { - DecodeData dd(stream_data, sizeof(stream_data)); - - // Skipping beyond end of stream is allowed and returns full distance. - memset(buffer, 0xbd, sizeof(buffer)); - EXPECT_EQ(9, opj_skip_from_memory(9, &dd)); - - // Next read fails. - EXPECT_EQ(kReadError, opj_read_from_memory(buffer, 1, &dd)); - EXPECT_EQ(0xbd, buffer[0]); - } - { - DecodeData dd(stream_data, sizeof(stream_data)); - - // Skipping way beyond EOS is allowd, doesn't wrap, and returns - // full distance. - memset(buffer, 0xbd, sizeof(buffer)); - EXPECT_EQ(4, opj_skip_from_memory(4, &dd)); - EXPECT_EQ(std::numeric_limits<OPJ_OFF_T>::max(), - opj_skip_from_memory(std::numeric_limits<OPJ_OFF_T>::max(), &dd)); - - // Next read fails. If it succeeds, it may mean we wrapped. - EXPECT_EQ(kReadError, opj_read_from_memory(buffer, 1, &dd)); - EXPECT_EQ(0xbd, buffer[0]); - } - { - DecodeData dd(stream_data, sizeof(stream_data)); - - // Negative skip within buffer not is allowed, position unchanged. - memset(buffer, 0xbd, sizeof(buffer)); - EXPECT_EQ(4, opj_skip_from_memory(4, &dd)); - EXPECT_EQ(kSkipError, opj_skip_from_memory(-2, &dd)); - - // Next read succeeds as if nothing has happenned. - EXPECT_EQ(1u, opj_read_from_memory(buffer, 1, &dd)); - EXPECT_EQ(0x84, buffer[0]); - EXPECT_EQ(0xbd, buffer[1]); - - // Negative skip before buffer is not allowed, position unchanged. - memset(buffer, 0xbd, sizeof(buffer)); - EXPECT_EQ(kSkipError, opj_skip_from_memory(-4, &dd)); - - // Next read succeeds as if nothing has happenned. - EXPECT_EQ(1u, opj_read_from_memory(buffer, 1, &dd)); - EXPECT_EQ(0x85, buffer[0]); - EXPECT_EQ(0xbd, buffer[1]); - } - { - DecodeData dd(stream_data, sizeof(stream_data)); - - // Negative skip way before buffer is not allowed, doesn't wrap - memset(buffer, 0xbd, sizeof(buffer)); - EXPECT_EQ(4, opj_skip_from_memory(4, &dd)); - EXPECT_EQ(kSkipError, - opj_skip_from_memory(std::numeric_limits<OPJ_OFF_T>::min(), &dd)); - - // Next read succeeds. If it fails, it may mean we wrapped. - EXPECT_EQ(1, opj_read_from_memory(buffer, 1, &dd)); - EXPECT_EQ(0x84, buffer[0]); - EXPECT_EQ(0xbd, buffer[1]); - } - { - DecodeData dd(stream_data, sizeof(stream_data)); - - // Negative skip after EOS isn't alowed, still EOS. - memset(buffer, 0xbd, sizeof(buffer)); - EXPECT_EQ(8, opj_skip_from_memory(8, &dd)); - EXPECT_EQ(kSkipError, opj_skip_from_memory(-4, &dd)); - - // Next read fails. - EXPECT_EQ(kReadError, opj_read_from_memory(buffer, 1, &dd)); - EXPECT_EQ(0xbd, buffer[0]); - } -} - -TEST(fxcodec, DecodeDataSeek) { - unsigned char buffer[16]; - DecodeData dd(stream_data, sizeof(stream_data)); - - // Seeking within buffer is allowed and read succeeds - memset(buffer, 0xbd, sizeof(buffer)); - EXPECT_TRUE(opj_seek_from_memory(1, &dd)); - EXPECT_EQ(1u, opj_read_from_memory(buffer, 1, &dd)); - EXPECT_EQ(0x01, buffer[0]); - EXPECT_EQ(0xbd, buffer[1]); - - // Seeking before start returns error leaving position unchanged. - memset(buffer, 0xbd, sizeof(buffer)); - EXPECT_FALSE(opj_seek_from_memory(-1, &dd)); - EXPECT_EQ(1, opj_read_from_memory(buffer, 1, &dd)); - EXPECT_EQ(0x02, buffer[0]); - EXPECT_EQ(0xbd, buffer[1]); - - // Seeking way before start returns error leaving position unchanged. - memset(buffer, 0xbd, sizeof(buffer)); - EXPECT_FALSE( - opj_seek_from_memory(std::numeric_limits<OPJ_OFF_T>::min(), &dd)); - EXPECT_EQ(1, opj_read_from_memory(buffer, 1, &dd)); - EXPECT_EQ(0x03, buffer[0]); - EXPECT_EQ(0xbd, buffer[1]); - - // Seeking exactly to EOS is allowed but read fails. - memset(buffer, 0xbd, sizeof(buffer)); - EXPECT_TRUE(opj_seek_from_memory(8, &dd)); - EXPECT_EQ(kReadError, opj_read_from_memory(buffer, 1, &dd)); - EXPECT_EQ(0xbd, buffer[0]); - - // Seeking back to zero offset is allowed and read succeeds. - memset(buffer, 0xbd, sizeof(buffer)); - EXPECT_TRUE(opj_seek_from_memory(0, &dd)); - EXPECT_EQ(1u, opj_read_from_memory(buffer, 1, &dd)); - EXPECT_EQ(0x00, buffer[0]); - EXPECT_EQ(0xbd, buffer[1]); - - // Seeking beyond end of stream is allowed but read fails. - memset(buffer, 0xbd, sizeof(buffer)); - EXPECT_TRUE(opj_seek_from_memory(16, &dd)); - EXPECT_EQ(kReadError, opj_read_from_memory(buffer, 1, &dd)); - EXPECT_EQ(0xbd, buffer[0]); - - // Seeking within buffer after seek past EOF restores good state. - memset(buffer, 0xbd, sizeof(buffer)); - EXPECT_TRUE(opj_seek_from_memory(4, &dd)); - EXPECT_EQ(1u, opj_read_from_memory(buffer, 1, &dd)); - EXPECT_EQ(0x84, buffer[0]); - EXPECT_EQ(0xbd, buffer[1]); - - // Seeking way beyond EOS is allowed, doesn't wrap, and read fails. - memset(buffer, 0xbd, sizeof(buffer)); - EXPECT_TRUE(opj_seek_from_memory(std::numeric_limits<OPJ_OFF_T>::max(), &dd)); - EXPECT_EQ(kReadError, opj_read_from_memory(buffer, 1, &dd)); - EXPECT_EQ(0xbd, buffer[0]); -} - -TEST(fxcodec, YUV420ToRGB) { - opj_image_comp_t u; - memset(&u, 0, sizeof(u)); - u.dx = 1; - u.dy = 1; - u.w = 16; - u.h = 16; - u.prec = 8; - u.bpp = 8; - opj_image_comp_t v; - memset(&v, 0, sizeof(v)); - v.dx = 1; - v.dy = 1; - v.w = 16; - v.h = 16; - v.prec = 8; - v.bpp = 8; - opj_image_comp_t y; - memset(&y, 0, sizeof(y)); - y.dx = 1; - y.dy = 1; - y.prec = 8; - y.bpp = 8; - opj_image_t img; - memset(&img, 0, sizeof(img)); - img.numcomps = 3; - img.color_space = OPJ_CLRSPC_SYCC; - img.comps = FX_Alloc(opj_image_comp_t, 3); - const struct { - OPJ_UINT32 w; - bool expected; - } cases[] = {{0, false}, - {1, false}, - {30, false}, - {31, true}, - {32, true}, - {33, true}, - {34, false}, - {UINT_MAX, false}}; - for (int i = 0; i < sizeof(cases) / sizeof(cases[0]); ++i) { - y.w = cases[i].w; - y.h = y.w; - img.x1 = y.w; - img.y1 = y.h; - y.data = FX_Alloc(OPJ_INT32, y.w * y.h); - memset(y.data, 1, y.w * y.h * sizeof(OPJ_INT32)); - u.data = FX_Alloc(OPJ_INT32, u.w * u.h); - memset(u.data, 0, u.w * u.h * sizeof(OPJ_INT32)); - v.data = FX_Alloc(OPJ_INT32, v.w * v.h); - memset(v.data, 0, v.w * v.h * sizeof(OPJ_INT32)); - img.comps[0] = y; - img.comps[1] = u; - img.comps[2] = v; - sycc420_to_rgb(&img); - if (cases[i].expected) { - EXPECT_EQ(img.comps[0].w, img.comps[1].w); - EXPECT_EQ(img.comps[0].h, img.comps[1].h); - EXPECT_EQ(img.comps[0].w, img.comps[2].w); - EXPECT_EQ(img.comps[0].h, img.comps[2].h); - } else { - EXPECT_NE(img.comps[0].w, img.comps[1].w); - EXPECT_NE(img.comps[0].h, img.comps[1].h); - EXPECT_NE(img.comps[0].w, img.comps[2].w); - EXPECT_NE(img.comps[0].h, img.comps[2].h); - } - FX_Free(img.comps[0].data); - FX_Free(img.comps[1].data); - FX_Free(img.comps[2].data); - } - FX_Free(img.comps); -} diff --git a/core/src/fxcodec/codec/fx_codec_png.cpp b/core/src/fxcodec/codec/fx_codec_png.cpp deleted file mode 100644 index c8cb1b8a6a..0000000000 --- a/core/src/fxcodec/codec/fx_codec_png.cpp +++ /dev/null @@ -1,254 +0,0 @@ -// 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 <algorithm> - -#include "core/include/fxcodec/fx_codec.h" -#include "core/include/fxge/fx_dib.h" -#include "core/src/fxcodec/codec/codec_int.h" - -extern "C" { -#undef FAR -#include "third_party/libpng16/png.h" -} - -static void _png_error_data(png_structp png_ptr, png_const_charp error_msg) { - if (png_get_error_ptr(png_ptr)) { - FXSYS_strncpy((char*)png_get_error_ptr(png_ptr), error_msg, - PNG_ERROR_SIZE - 1); - } - longjmp(png_jmpbuf(png_ptr), 1); -} -static void _png_warning_data(png_structp png_ptr, png_const_charp error_msg) {} -static void _png_load_bmp_attribute(png_structp png_ptr, - png_infop info_ptr, - CFX_DIBAttribute* pAttribute) { - if (pAttribute) { -#if defined(PNG_pHYs_SUPPORTED) - pAttribute->m_nXDPI = png_get_x_pixels_per_meter(png_ptr, info_ptr); - pAttribute->m_nYDPI = png_get_y_pixels_per_meter(png_ptr, info_ptr); - png_uint_32 res_x, res_y; - int unit_type; - png_get_pHYs(png_ptr, info_ptr, &res_x, &res_y, &unit_type); - switch (unit_type) { - case PNG_RESOLUTION_METER: - pAttribute->m_wDPIUnit = FXCODEC_RESUNIT_METER; - break; - default: - pAttribute->m_wDPIUnit = FXCODEC_RESUNIT_NONE; - } -#endif -#if defined(PNG_iCCP_SUPPORTED) - png_charp icc_name; - png_bytep icc_profile; - png_uint_32 icc_proflen; - int compress_type; - png_get_iCCP(png_ptr, info_ptr, &icc_name, &compress_type, &icc_profile, - &icc_proflen); -#endif - int bTime = 0; -#if defined(PNG_tIME_SUPPORTED) - png_timep t = NULL; - png_get_tIME(png_ptr, info_ptr, &t); - if (t) { - FXSYS_memset(pAttribute->m_strTime, 0, sizeof(pAttribute->m_strTime)); - FXSYS_snprintf((FX_CHAR*)pAttribute->m_strTime, - sizeof(pAttribute->m_strTime), "%4d:%2d:%2d %2d:%2d:%2d", - t->year, t->month, t->day, t->hour, t->minute, t->second); - pAttribute->m_strTime[sizeof(pAttribute->m_strTime) - 1] = 0; - bTime = 1; - } -#endif -#if defined(PNG_TEXT_SUPPORTED) - int i; - FX_STRSIZE len; - const FX_CHAR* buf; - int num_text; - png_textp text = NULL; - png_get_text(png_ptr, info_ptr, &text, &num_text); - for (i = 0; i < num_text; i++) { - len = FXSYS_strlen(text[i].key); - buf = "Time"; - if (!FXSYS_memcmp(buf, text[i].key, std::min(len, FXSYS_strlen(buf)))) { - if (!bTime) { - FXSYS_memset(pAttribute->m_strTime, 0, sizeof(pAttribute->m_strTime)); - FXSYS_memcpy( - pAttribute->m_strTime, text[i].text, - std::min(sizeof(pAttribute->m_strTime) - 1, text[i].text_length)); - } - } else { - buf = "Author"; - if (!FXSYS_memcmp(buf, text[i].key, std::min(len, FXSYS_strlen(buf)))) { - pAttribute->m_strAuthor.Empty(); - pAttribute->m_strAuthor.Load((uint8_t*)text[i].text, - (FX_STRSIZE)text[i].text_length); - } - } - } -#endif - } -} -struct FXPNG_Context { - png_structp png_ptr; - png_infop info_ptr; - void* parent_ptr; - void* child_ptr; - - void* (*m_AllocFunc)(unsigned int); - void (*m_FreeFunc)(void*); -}; -extern "C" { -static void* _png_alloc_func(unsigned int size) { - return FX_Alloc(char, size); -} -static void _png_free_func(void* p) { - FX_Free(p); -} -}; -static void _png_get_header_func(png_structp png_ptr, png_infop info_ptr) { - FXPNG_Context* p = (FXPNG_Context*)png_get_progressive_ptr(png_ptr); - if (p == NULL) { - return; - } - CCodec_PngModule* pModule = (CCodec_PngModule*)p->parent_ptr; - if (pModule == NULL) { - return; - } - png_uint_32 width = 0, height = 0; - int bpc = 0, color_type = 0, color_type1 = 0, pass = 0; - double gamma = 1.0; - png_get_IHDR(png_ptr, info_ptr, &width, &height, &bpc, &color_type, NULL, - NULL, NULL); - color_type1 = color_type; - if (bpc > 8) { - png_set_strip_16(png_ptr); - } else if (bpc < 8) { - png_set_expand_gray_1_2_4_to_8(png_ptr); - } - bpc = 8; - if (color_type == PNG_COLOR_TYPE_PALETTE) { - png_set_palette_to_rgb(png_ptr); - } - pass = png_set_interlace_handling(png_ptr); - if (!pModule->ReadHeaderCallback(p->child_ptr, width, height, bpc, pass, - &color_type, &gamma)) { - png_error(p->png_ptr, "Read Header Callback Error"); - } - int intent; - if (png_get_sRGB(png_ptr, info_ptr, &intent)) { - png_set_gamma(png_ptr, gamma, 0.45455); - } else { - double image_gamma; - if (png_get_gAMA(png_ptr, info_ptr, &image_gamma)) { - png_set_gamma(png_ptr, gamma, image_gamma); - } else { - png_set_gamma(png_ptr, gamma, 0.45455); - } - } - switch (color_type) { - case PNG_COLOR_TYPE_GRAY: - case PNG_COLOR_TYPE_GRAY_ALPHA: { - if (color_type1 & PNG_COLOR_MASK_COLOR) { - png_set_rgb_to_gray(png_ptr, 1, 0.299, 0.587); - } - } break; - case PNG_COLOR_TYPE_PALETTE: - if (color_type1 != PNG_COLOR_TYPE_PALETTE) { - png_error(p->png_ptr, "Not Support Output Palette Now"); - } - case PNG_COLOR_TYPE_RGB: - case PNG_COLOR_TYPE_RGB_ALPHA: - if (!(color_type1 & PNG_COLOR_MASK_COLOR)) { - png_set_gray_to_rgb(png_ptr); - } - png_set_bgr(png_ptr); - break; - } - if (!(color_type & PNG_COLOR_MASK_ALPHA)) { - png_set_strip_alpha(png_ptr); - } - if (color_type & PNG_COLOR_MASK_ALPHA && - !(color_type1 & PNG_COLOR_MASK_ALPHA)) { - png_set_filler(png_ptr, 0xff, PNG_FILLER_AFTER); - } - png_read_update_info(png_ptr, info_ptr); -} -static void _png_get_end_func(png_structp png_ptr, png_infop info_ptr) {} -static void _png_get_row_func(png_structp png_ptr, - png_bytep new_row, - png_uint_32 row_num, - int pass) { - FXPNG_Context* p = (FXPNG_Context*)png_get_progressive_ptr(png_ptr); - if (p == NULL) { - return; - } - CCodec_PngModule* pModule = (CCodec_PngModule*)p->parent_ptr; - uint8_t* src_buf = NULL; - if (!pModule->AskScanlineBufCallback(p->child_ptr, row_num, src_buf)) { - png_error(png_ptr, "Ask Scanline buffer Callback Error"); - } - if (src_buf) { - png_progressive_combine_row(png_ptr, src_buf, new_row); - } - pModule->FillScanlineBufCompletedCallback(p->child_ptr, pass, row_num); -} -void* CCodec_PngModule::Start(void* pModule) { - FXPNG_Context* p = (FXPNG_Context*)FX_Alloc(uint8_t, sizeof(FXPNG_Context)); - if (p == NULL) { - return NULL; - } - p->m_AllocFunc = _png_alloc_func; - p->m_FreeFunc = _png_free_func; - p->png_ptr = NULL; - p->info_ptr = NULL; - p->parent_ptr = (void*)this; - p->child_ptr = pModule; - p->png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL); - if (p->png_ptr == NULL) { - FX_Free(p); - return NULL; - } - p->info_ptr = png_create_info_struct(p->png_ptr); - if (p->info_ptr == NULL) { - png_destroy_read_struct(&(p->png_ptr), (png_infopp)NULL, (png_infopp)NULL); - FX_Free(p); - return NULL; - } - if (setjmp(png_jmpbuf(p->png_ptr))) { - if (p) { - png_destroy_read_struct(&(p->png_ptr), &(p->info_ptr), (png_infopp)NULL); - FX_Free(p); - } - return NULL; - } - png_set_progressive_read_fn(p->png_ptr, p, _png_get_header_func, - _png_get_row_func, _png_get_end_func); - png_set_error_fn(p->png_ptr, m_szLastError, (png_error_ptr)_png_error_data, - (png_error_ptr)_png_warning_data); - return p; -} -void CCodec_PngModule::Finish(void* pContext) { - FXPNG_Context* p = (FXPNG_Context*)pContext; - if (p) { - png_destroy_read_struct(&(p->png_ptr), &(p->info_ptr), (png_infopp)NULL); - p->m_FreeFunc(p); - } -} -FX_BOOL CCodec_PngModule::Input(void* pContext, - const uint8_t* src_buf, - FX_DWORD src_size, - CFX_DIBAttribute* pAttribute) { - FXPNG_Context* p = (FXPNG_Context*)pContext; - if (setjmp(png_jmpbuf(p->png_ptr))) { - if (pAttribute && - 0 == FXSYS_strcmp(m_szLastError, "Read Header Callback Error")) { - _png_load_bmp_attribute(p->png_ptr, p->info_ptr, pAttribute); - } - return FALSE; - } - png_process_data(p->png_ptr, p->info_ptr, (uint8_t*)src_buf, src_size); - return TRUE; -} diff --git a/core/src/fxcodec/codec/fx_codec_progress.cpp b/core/src/fxcodec/codec/fx_codec_progress.cpp deleted file mode 100644 index 5d8502a87a..0000000000 --- a/core/src/fxcodec/codec/fx_codec_progress.cpp +++ /dev/null @@ -1,2299 +0,0 @@ -// 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 "core/include/fxcodec/fx_codec.h" -#include "core/include/fxge/fx_dib.h" -#include "core/src/fxcodec/codec/fx_codec_progress.h" -void CFXCODEC_WeightTable::Calc(int dest_len, - int dest_min, - int dest_max, - int src_len, - int src_min, - int src_max, - FX_BOOL bInterpol) { - if (m_pWeightTables) { - FX_Free(m_pWeightTables); - } - double scale, base; - scale = (FX_FLOAT)src_len / (FX_FLOAT)dest_len; - if (dest_len < 0) { - base = (FX_FLOAT)(src_len); - } else { - base = 0.0f; - } - m_ItemSize = - (int)(sizeof(int) * 2 + - sizeof(int) * (FXSYS_ceil(FXSYS_fabs((FX_FLOAT)scale)) + 1)); - m_DestMin = dest_min; - m_pWeightTables = FX_Alloc(uint8_t, (dest_max - dest_min) * m_ItemSize + 4); - if (m_pWeightTables == NULL) { - return; - } - if (FXSYS_fabs((FX_FLOAT)scale) < 1.0f) { - for (int dest_pixel = dest_min; dest_pixel < dest_max; dest_pixel++) { - PixelWeight& pixel_weights = *GetPixelWeight(dest_pixel); - double src_pos = dest_pixel * scale + scale / 2 + base; - if (bInterpol) { - pixel_weights.m_SrcStart = - (int)FXSYS_floor((FX_FLOAT)src_pos - 1.0f / 2); - pixel_weights.m_SrcEnd = (int)FXSYS_floor((FX_FLOAT)src_pos + 1.0f / 2); - if (pixel_weights.m_SrcStart < src_min) { - pixel_weights.m_SrcStart = src_min; - } - if (pixel_weights.m_SrcEnd >= src_max) { - pixel_weights.m_SrcEnd = src_max - 1; - } - if (pixel_weights.m_SrcStart == pixel_weights.m_SrcEnd) { - pixel_weights.m_Weights[0] = 65536; - } else { - pixel_weights.m_Weights[1] = FXSYS_round( - (FX_FLOAT)(src_pos - pixel_weights.m_SrcStart - 1.0f / 2) * - 65536); - pixel_weights.m_Weights[0] = 65536 - pixel_weights.m_Weights[1]; - } - } else { - pixel_weights.m_SrcStart = pixel_weights.m_SrcEnd = - (int)FXSYS_floor((FX_FLOAT)src_pos); - pixel_weights.m_Weights[0] = 65536; - } - } - return; - } - for (int dest_pixel = dest_min; dest_pixel < dest_max; dest_pixel++) { - PixelWeight& pixel_weights = *GetPixelWeight(dest_pixel); - double src_start = dest_pixel * scale + base; - double src_end = src_start + scale; - int start_i, end_i; - if (src_start < src_end) { - start_i = (int)FXSYS_floor((FX_FLOAT)src_start); - end_i = (int)FXSYS_ceil((FX_FLOAT)src_end); - } else { - start_i = (int)FXSYS_floor((FX_FLOAT)src_end); - end_i = (int)FXSYS_ceil((FX_FLOAT)src_start); - } - if (start_i < src_min) { - start_i = src_min; - } - if (end_i >= src_max) { - end_i = src_max - 1; - } - if (start_i > end_i) { - pixel_weights.m_SrcStart = start_i; - pixel_weights.m_SrcEnd = start_i; - continue; - } - pixel_weights.m_SrcStart = start_i; - pixel_weights.m_SrcEnd = end_i; - for (int j = start_i; j <= end_i; j++) { - double dest_start = ((FX_FLOAT)j - base) / scale; - double dest_end = ((FX_FLOAT)(j + 1) - base) / scale; - if (dest_start > dest_end) { - double temp = dest_start; - dest_start = dest_end; - dest_end = temp; - } - double area_start = dest_start > (FX_FLOAT)(dest_pixel) - ? dest_start - : (FX_FLOAT)(dest_pixel); - double area_end = dest_end > (FX_FLOAT)(dest_pixel + 1) - ? (FX_FLOAT)(dest_pixel + 1) - : dest_end; - double weight = area_start >= area_end ? 0.0f : area_end - area_start; - if (weight == 0 && j == end_i) { - pixel_weights.m_SrcEnd--; - break; - } - pixel_weights.m_Weights[j - start_i] = - FXSYS_round((FX_FLOAT)(weight * 65536)); - } - } -} -void CFXCODEC_HorzTable::Calc(int dest_len, int src_len, FX_BOOL bInterpol) { - if (m_pWeightTables) { - FX_Free(m_pWeightTables); - } - double scale = (double)dest_len / (double)src_len; - m_ItemSize = sizeof(int) * 4; - int size = dest_len * m_ItemSize + 4; - m_pWeightTables = FX_Alloc(uint8_t, size); - if (m_pWeightTables == NULL) { - return; - } - FXSYS_memset(m_pWeightTables, 0, size); - if (scale > 1) { - int pre_des_col = 0; - for (int src_col = 0; src_col < src_len; src_col++) { - double des_col_f = src_col * scale; - int des_col = FXSYS_round((FX_FLOAT)des_col_f); - PixelWeight* pWeight = - (PixelWeight*)(m_pWeightTables + des_col * m_ItemSize); - pWeight->m_SrcStart = pWeight->m_SrcEnd = src_col; - pWeight->m_Weights[0] = 65536; - pWeight->m_Weights[1] = 0; - if (src_col == src_len - 1 && des_col < dest_len - 1) { - for (int des_col_index = pre_des_col + 1; des_col_index < dest_len; - des_col_index++) { - pWeight = - (PixelWeight*)(m_pWeightTables + des_col_index * m_ItemSize); - pWeight->m_SrcStart = pWeight->m_SrcEnd = src_col; - pWeight->m_Weights[0] = 65536; - pWeight->m_Weights[1] = 0; - } - return; - } - int des_col_len = des_col - pre_des_col; - for (int des_col_index = pre_des_col + 1; des_col_index < des_col; - des_col_index++) { - pWeight = (PixelWeight*)(m_pWeightTables + des_col_index * m_ItemSize); - pWeight->m_SrcStart = src_col - 1; - pWeight->m_SrcEnd = src_col; - pWeight->m_Weights[0] = - bInterpol ? FXSYS_round((FX_FLOAT)( - ((FX_FLOAT)des_col - (FX_FLOAT)des_col_index) / - (FX_FLOAT)des_col_len * 65536)) - : 65536; - pWeight->m_Weights[1] = 65536 - pWeight->m_Weights[0]; - } - pre_des_col = des_col; - } - return; - } - for (int des_col = 0; des_col < dest_len; des_col++) { - double src_col_f = des_col / scale; - int src_col = FXSYS_round((FX_FLOAT)src_col_f); - PixelWeight* pWeight = - (PixelWeight*)(m_pWeightTables + des_col * m_ItemSize); - pWeight->m_SrcStart = pWeight->m_SrcEnd = src_col; - pWeight->m_Weights[0] = 65536; - pWeight->m_Weights[1] = 0; - } -} -void CFXCODEC_VertTable::Calc(int dest_len, int src_len) { - if (m_pWeightTables) { - FX_Free(m_pWeightTables); - } - double scale = (double)dest_len / (double)src_len; - m_ItemSize = sizeof(int) * 4; - int size = dest_len * m_ItemSize + 4; - m_pWeightTables = FX_Alloc(uint8_t, size); - if (m_pWeightTables == NULL) { - return; - } - FXSYS_memset(m_pWeightTables, 0, size); - if (scale > 1) { - double step = 0.0; - int src_row = 0; - while (step < (double)dest_len) { - int start_step = (int)step; - step = scale * (++src_row); - int end_step = (int)step; - if (end_step >= dest_len) { - end_step = dest_len; - for (int des_row = start_step; des_row < end_step; des_row++) { - PixelWeight* pWeight = - (PixelWeight*)(m_pWeightTables + des_row * m_ItemSize); - pWeight->m_SrcStart = start_step; - pWeight->m_SrcEnd = start_step; - pWeight->m_Weights[0] = 65536; - pWeight->m_Weights[1] = 0; - } - return; - } - int length = end_step - start_step; - { - PixelWeight* pWeight = - (PixelWeight*)(m_pWeightTables + start_step * m_ItemSize); - pWeight->m_SrcStart = start_step; - pWeight->m_SrcEnd = start_step; - pWeight->m_Weights[0] = 65536; - pWeight->m_Weights[1] = 0; - } - for (int des_row = start_step + 1; des_row < end_step; des_row++) { - PixelWeight* pWeight = - (PixelWeight*)(m_pWeightTables + des_row * m_ItemSize); - pWeight->m_SrcStart = start_step; - pWeight->m_SrcEnd = end_step; - pWeight->m_Weights[0] = FXSYS_round((FX_FLOAT)(end_step - des_row) / - (FX_FLOAT)length * 65536); - pWeight->m_Weights[1] = 65536 - pWeight->m_Weights[0]; - } - } - } else { - for (int des_row = 0; des_row < dest_len; des_row++) { - PixelWeight* pWeight = - (PixelWeight*)(m_pWeightTables + des_row * m_ItemSize); - pWeight->m_SrcStart = des_row; - pWeight->m_SrcEnd = des_row; - pWeight->m_Weights[0] = 65536; - pWeight->m_Weights[1] = 0; - } - } -} -CCodec_ProgressiveDecoder::CCodec_ProgressiveDecoder( - CCodec_ModuleMgr* pCodecMgr) { - m_pFile = NULL; - m_pJpegContext = NULL; - m_pPngContext = NULL; - m_pGifContext = NULL; - m_pBmpContext = NULL; - m_pTiffContext = NULL; - m_pCodecMgr = NULL; - m_pSrcBuf = NULL; - m_pDecodeBuf = NULL; - m_pDeviceBitmap = NULL; - m_pSrcPalette = NULL; - m_pCodecMgr = pCodecMgr; - m_offSet = 0; - m_SrcSize = 0; - m_ScanlineSize = 0; - m_SrcWidth = m_SrcHeight = 0; - m_SrcComponents = 0; - m_SrcBPC = 0; - m_SrcPassNumber = 0; - m_clipBox = FX_RECT(0, 0, 0, 0); - m_imagType = FXCODEC_IMAGE_UNKNOWN; - m_status = FXCODEC_STATUS_DECODE_FINISH; - m_TransMethod = -1; - m_SrcRow = 0; - m_SrcFormat = FXCodec_Invalid; - m_bInterpol = TRUE; - m_FrameNumber = 0; - m_FrameCur = 0; - m_SrcPaletteNumber = 0; - m_GifPltNumber = 0; - m_GifBgIndex = 0; - m_pGifPalette = NULL; - m_GifTransIndex = -1; - m_GifFrameRect = FX_RECT(0, 0, 0, 0); - m_BmpIsTopBottom = FALSE; -} -CCodec_ProgressiveDecoder::~CCodec_ProgressiveDecoder() { - m_pFile = NULL; - if (m_pJpegContext) { - m_pCodecMgr->GetJpegModule()->Finish(m_pJpegContext); - } - if (m_pPngContext) { - m_pCodecMgr->GetPngModule()->Finish(m_pPngContext); - } - if (m_pGifContext) { - m_pCodecMgr->GetGifModule()->Finish(m_pGifContext); - } - if (m_pBmpContext) { - m_pCodecMgr->GetBmpModule()->Finish(m_pBmpContext); - } - if (m_pTiffContext) { - m_pCodecMgr->GetTiffModule()->DestroyDecoder(m_pTiffContext); - } - FX_Free(m_pSrcBuf); - FX_Free(m_pDecodeBuf); - FX_Free(m_pSrcPalette); -} -FX_BOOL CCodec_ProgressiveDecoder::JpegReadMoreData( - ICodec_JpegModule* pJpegModule, - FXCODEC_STATUS& err_status) { - FX_DWORD dwSize = (FX_DWORD)m_pFile->GetSize(); - if (dwSize <= m_offSet) { - return FALSE; - } - dwSize = dwSize - m_offSet; - FX_DWORD dwAvail = pJpegModule->GetAvailInput(m_pJpegContext, NULL); - if (dwAvail == m_SrcSize) { - if (dwSize > FXCODEC_BLOCK_SIZE) { - dwSize = FXCODEC_BLOCK_SIZE; - } - m_SrcSize = (dwSize + dwAvail + FXCODEC_BLOCK_SIZE - 1) / - FXCODEC_BLOCK_SIZE * FXCODEC_BLOCK_SIZE; - m_pSrcBuf = FX_Realloc(uint8_t, m_pSrcBuf, m_SrcSize); - if (!m_pSrcBuf) { - err_status = FXCODEC_STATUS_ERR_MEMORY; - return FALSE; - } - } else { - FX_DWORD dwConsume = m_SrcSize - dwAvail; - if (dwAvail) { - FXSYS_memcpy(m_pSrcBuf, m_pSrcBuf + dwConsume, dwAvail); - } - if (dwSize > dwConsume) { - dwSize = dwConsume; - } - } - if (!m_pFile->ReadBlock(m_pSrcBuf + dwAvail, m_offSet, dwSize)) { - err_status = FXCODEC_STATUS_ERR_READ; - return FALSE; - } - m_offSet += dwSize; - pJpegModule->Input(m_pJpegContext, m_pSrcBuf, dwSize + dwAvail); - return TRUE; -} -FX_BOOL CCodec_ProgressiveDecoder::PngReadHeaderFunc(void* pModule, - int width, - int height, - int bpc, - int pass, - int* color_type, - double* gamma) { - CCodec_ProgressiveDecoder* pCodec = (CCodec_ProgressiveDecoder*)pModule; - if (pCodec->m_pDeviceBitmap == NULL) { - pCodec->m_SrcWidth = width; - pCodec->m_SrcHeight = height; - pCodec->m_SrcBPC = bpc; - pCodec->m_SrcPassNumber = pass; - pCodec->m_SrcComponents = - *color_type == 0 ? 1 : *color_type == 2 - ? 3 - : *color_type == 3 - ? 4 - : *color_type == 4 - ? 2 - : *color_type == 6 ? 4 : 0; - pCodec->m_clipBox = FX_RECT(0, 0, width, height); - return FALSE; - } - FXDIB_Format format = pCodec->m_pDeviceBitmap->GetFormat(); - switch (format) { - case FXDIB_1bppMask: - case FXDIB_1bppRgb: - ASSERT(FALSE); - return FALSE; - case FXDIB_8bppMask: - case FXDIB_8bppRgb: - *color_type = 0; - break; - case FXDIB_Rgb: - *color_type = 2; - break; - case FXDIB_Rgb32: - case FXDIB_Argb: - *color_type = 6; - break; - default: - ASSERT(FALSE); - return FALSE; - } - *gamma = FXCODEC_PNG_GAMMA; - return TRUE; -} -FX_BOOL CCodec_ProgressiveDecoder::PngAskScanlineBufFunc(void* pModule, - int line, - uint8_t*& src_buf) { - CCodec_ProgressiveDecoder* pCodec = (CCodec_ProgressiveDecoder*)pModule; - CFX_DIBitmap* pDIBitmap = pCodec->m_pDeviceBitmap; - if (!pDIBitmap) { - ASSERT(false); - return FALSE; - } - if (line >= pCodec->m_clipBox.top && line < pCodec->m_clipBox.bottom) { - double scale_y = - (double)pCodec->m_sizeY / (double)pCodec->m_clipBox.Height(); - int32_t row = - (int32_t)((line - pCodec->m_clipBox.top) * scale_y) + pCodec->m_startY; - uint8_t* src_scan = (uint8_t*)pDIBitmap->GetScanline(row); - uint8_t* des_scan = pCodec->m_pDecodeBuf; - src_buf = pCodec->m_pDecodeBuf; - int32_t src_Bpp = pDIBitmap->GetBPP() >> 3; - int32_t des_Bpp = (pCodec->m_SrcFormat & 0xff) >> 3; - int32_t src_left = pCodec->m_startX; - int32_t des_left = pCodec->m_clipBox.left; - src_scan += src_left * src_Bpp; - des_scan += des_left * des_Bpp; - for (int32_t src_col = 0; src_col < pCodec->m_sizeX; src_col++) { - PixelWeight* pPixelWeights = - pCodec->m_WeightHorzOO.GetPixelWeight(src_col); - if (pPixelWeights->m_SrcStart != pPixelWeights->m_SrcEnd) { - continue; - } - switch (pDIBitmap->GetFormat()) { - case FXDIB_1bppMask: - case FXDIB_1bppRgb: - ASSERT(FALSE); - return FALSE; - case FXDIB_8bppMask: - case FXDIB_8bppRgb: { - if (pDIBitmap->GetPalette()) { - return FALSE; - } - FX_DWORD des_g = 0; - des_g += pPixelWeights->m_Weights[0] * src_scan[src_col]; - des_scan[pPixelWeights->m_SrcStart] = (uint8_t)(des_g >> 16); - } break; - case FXDIB_Rgb: - case FXDIB_Rgb32: { - FX_DWORD des_b = 0, des_g = 0, des_r = 0; - const uint8_t* p = src_scan + src_col * src_Bpp; - des_b += pPixelWeights->m_Weights[0] * (*p++); - des_g += pPixelWeights->m_Weights[0] * (*p++); - des_r += pPixelWeights->m_Weights[0] * (*p); - uint8_t* pDes = &des_scan[pPixelWeights->m_SrcStart * des_Bpp]; - *pDes++ = (uint8_t)((des_b) >> 16); - *pDes++ = (uint8_t)((des_g) >> 16); - *pDes = (uint8_t)((des_r) >> 16); - } break; - case FXDIB_Argb: { - FX_DWORD des_r = 0, des_g = 0, des_b = 0; - const uint8_t* p = src_scan + src_col * src_Bpp; - des_b += pPixelWeights->m_Weights[0] * (*p++); - des_g += pPixelWeights->m_Weights[0] * (*p++); - des_r += pPixelWeights->m_Weights[0] * (*p++); - uint8_t* pDes = &des_scan[pPixelWeights->m_SrcStart * des_Bpp]; - *pDes++ = (uint8_t)((des_b) >> 16); - *pDes++ = (uint8_t)((des_g) >> 16); - *pDes++ = (uint8_t)((des_r) >> 16); - *pDes = *p; - } break; - default: - return FALSE; - } - } - } - return TRUE; -} -void CCodec_ProgressiveDecoder::PngOneOneMapResampleHorz( - CFX_DIBitmap* pDeviceBitmap, - int32_t des_line, - uint8_t* src_scan, - FXCodec_Format src_format) { - uint8_t* des_scan = (uint8_t*)pDeviceBitmap->GetScanline(des_line); - int32_t src_Bpp = (m_SrcFormat & 0xff) >> 3; - int32_t des_Bpp = pDeviceBitmap->GetBPP() >> 3; - int32_t src_left = m_clipBox.left; - int32_t des_left = m_startX; - src_scan += src_left * src_Bpp; - des_scan += des_left * des_Bpp; - for (int32_t des_col = 0; des_col < m_sizeX; des_col++) { - PixelWeight* pPixelWeights = m_WeightHorzOO.GetPixelWeight(des_col); - switch (pDeviceBitmap->GetFormat()) { - case FXDIB_1bppMask: - case FXDIB_1bppRgb: - ASSERT(FALSE); - return; - case FXDIB_8bppMask: - case FXDIB_8bppRgb: { - if (pDeviceBitmap->GetPalette()) { - return; - } - FX_DWORD des_g = 0; - des_g += - pPixelWeights->m_Weights[0] * src_scan[pPixelWeights->m_SrcStart]; - des_g += - pPixelWeights->m_Weights[1] * src_scan[pPixelWeights->m_SrcEnd]; - *des_scan++ = (uint8_t)(des_g >> 16); - } break; - case FXDIB_Rgb: - case FXDIB_Rgb32: { - FX_DWORD des_b = 0, des_g = 0, des_r = 0; - const uint8_t* p = src_scan; - p = src_scan + pPixelWeights->m_SrcStart * src_Bpp; - des_b += pPixelWeights->m_Weights[0] * (*p++); - des_g += pPixelWeights->m_Weights[0] * (*p++); - des_r += pPixelWeights->m_Weights[0] * (*p); - p = src_scan + pPixelWeights->m_SrcEnd * src_Bpp; - des_b += pPixelWeights->m_Weights[1] * (*p++); - des_g += pPixelWeights->m_Weights[1] * (*p++); - des_r += pPixelWeights->m_Weights[1] * (*p); - *des_scan++ = (uint8_t)((des_b) >> 16); - *des_scan++ = (uint8_t)((des_g) >> 16); - *des_scan++ = (uint8_t)((des_r) >> 16); - des_scan += des_Bpp - 3; - } break; - case FXDIB_Argb: { - FX_DWORD des_a = 0, des_b = 0, des_g = 0, des_r = 0; - const uint8_t* p = src_scan; - p = src_scan + pPixelWeights->m_SrcStart * src_Bpp; - des_b += pPixelWeights->m_Weights[0] * (*p++); - des_g += pPixelWeights->m_Weights[0] * (*p++); - des_r += pPixelWeights->m_Weights[0] * (*p++); - des_a += pPixelWeights->m_Weights[0] * (*p); - p = src_scan + pPixelWeights->m_SrcEnd * src_Bpp; - des_b += pPixelWeights->m_Weights[1] * (*p++); - des_g += pPixelWeights->m_Weights[1] * (*p++); - des_r += pPixelWeights->m_Weights[1] * (*p++); - des_a += pPixelWeights->m_Weights[1] * (*p); - *des_scan++ = (uint8_t)((des_b) >> 16); - *des_scan++ = (uint8_t)((des_g) >> 16); - *des_scan++ = (uint8_t)((des_r) >> 16); - *des_scan++ = (uint8_t)((des_a) >> 16); - } break; - default: - return; - } - } -} -void CCodec_ProgressiveDecoder::PngFillScanlineBufCompletedFunc(void* pModule, - int pass, - int line) { - CCodec_ProgressiveDecoder* pCodec = (CCodec_ProgressiveDecoder*)pModule; - CFX_DIBitmap* pDIBitmap = pCodec->m_pDeviceBitmap; - ASSERT(pDIBitmap); - int src_top = pCodec->m_clipBox.top; - int src_bottom = pCodec->m_clipBox.bottom; - int des_top = pCodec->m_startY; - int src_hei = pCodec->m_clipBox.Height(); - int des_hei = pCodec->m_sizeY; - if (line >= src_top && line < src_bottom) { - double scale_y = (double)des_hei / (double)src_hei; - int src_row = line - src_top; - int des_row = (int)(src_row * scale_y) + des_top; - if (des_row >= des_top + des_hei) { - return; - } - pCodec->PngOneOneMapResampleHorz(pDIBitmap, des_row, pCodec->m_pDecodeBuf, - pCodec->m_SrcFormat); - if (pCodec->m_SrcPassNumber == 1 && scale_y > 1.0) { - pCodec->ResampleVert(pDIBitmap, scale_y, des_row); - return; - } - if (pass == 6 && scale_y > 1.0) { - pCodec->ResampleVert(pDIBitmap, scale_y, des_row); - } - } -} -FX_BOOL CCodec_ProgressiveDecoder::GifReadMoreData(ICodec_GifModule* pGifModule, - FXCODEC_STATUS& err_status) { - FX_DWORD dwSize = (FX_DWORD)m_pFile->GetSize(); - if (dwSize <= m_offSet) { - return FALSE; - } - dwSize = dwSize - m_offSet; - FX_DWORD dwAvail = pGifModule->GetAvailInput(m_pGifContext, NULL); - if (dwAvail == m_SrcSize) { - if (dwSize > FXCODEC_BLOCK_SIZE) { - dwSize = FXCODEC_BLOCK_SIZE; - } - m_SrcSize = (dwSize + dwAvail + FXCODEC_BLOCK_SIZE - 1) / - FXCODEC_BLOCK_SIZE * FXCODEC_BLOCK_SIZE; - m_pSrcBuf = FX_Realloc(uint8_t, m_pSrcBuf, m_SrcSize); - if (!m_pSrcBuf) { - err_status = FXCODEC_STATUS_ERR_MEMORY; - return FALSE; - } - } else { - FX_DWORD dwConsume = m_SrcSize - dwAvail; - if (dwAvail) { - FXSYS_memcpy(m_pSrcBuf, m_pSrcBuf + dwConsume, dwAvail); - } - if (dwSize > dwConsume) { - dwSize = dwConsume; - } - } - if (!m_pFile->ReadBlock(m_pSrcBuf + dwAvail, m_offSet, dwSize)) { - err_status = FXCODEC_STATUS_ERR_READ; - return FALSE; - } - m_offSet += dwSize; - pGifModule->Input(m_pGifContext, m_pSrcBuf, dwSize + dwAvail); - return TRUE; -} -void CCodec_ProgressiveDecoder::GifRecordCurrentPositionCallback( - void* pModule, - FX_DWORD& cur_pos) { - CCodec_ProgressiveDecoder* pCodec = (CCodec_ProgressiveDecoder*)pModule; - FX_DWORD remain_size = - pCodec->m_pCodecMgr->GetGifModule()->GetAvailInput(pCodec->m_pGifContext); - cur_pos = pCodec->m_offSet - remain_size; -} -uint8_t* CCodec_ProgressiveDecoder::GifAskLocalPaletteBufCallback( - void* pModule, - int32_t frame_num, - int32_t pal_size) { - return FX_Alloc(uint8_t, pal_size); -} -FX_BOOL CCodec_ProgressiveDecoder::GifInputRecordPositionBufCallback( - void* pModule, - FX_DWORD rcd_pos, - const FX_RECT& img_rc, - int32_t pal_num, - void* pal_ptr, - int32_t delay_time, - FX_BOOL user_input, - int32_t trans_index, - int32_t disposal_method, - FX_BOOL interlace) { - CCodec_ProgressiveDecoder* pCodec = (CCodec_ProgressiveDecoder*)pModule; - pCodec->m_offSet = rcd_pos; - FXCODEC_STATUS error_status = FXCODEC_STATUS_ERROR; - if (!pCodec->GifReadMoreData(pCodec->m_pCodecMgr->GetGifModule(), - error_status)) { - return FALSE; - } - uint8_t* pPalette = NULL; - if (pal_num != 0 && pal_ptr) { - pPalette = (uint8_t*)pal_ptr; - } else { - pal_num = pCodec->m_GifPltNumber; - pPalette = pCodec->m_pGifPalette; - } - if (pCodec->m_pSrcPalette == NULL) { - pCodec->m_pSrcPalette = FX_Alloc(FX_ARGB, pal_num); - } else if (pal_num > pCodec->m_SrcPaletteNumber) { - pCodec->m_pSrcPalette = FX_Realloc(FX_ARGB, pCodec->m_pSrcPalette, pal_num); - } - if (pCodec->m_pSrcPalette == NULL) { - return FALSE; - } - pCodec->m_SrcPaletteNumber = pal_num; - for (int i = 0; i < pal_num; i++) { - FX_DWORD j = i * 3; - pCodec->m_pSrcPalette[i] = - ArgbEncode(0xff, pPalette[j], pPalette[j + 1], pPalette[j + 2]); - } - pCodec->m_GifTransIndex = trans_index; - pCodec->m_GifFrameRect = img_rc; - pCodec->m_SrcPassNumber = interlace ? 4 : 1; - int32_t pal_index = pCodec->m_GifBgIndex; - CFX_DIBitmap* pDevice = pCodec->m_pDeviceBitmap; - if (trans_index >= pal_num) { - trans_index = -1; - } - if (trans_index != -1) { - pCodec->m_pSrcPalette[trans_index] &= 0x00ffffff; - if (pDevice->HasAlpha()) { - pal_index = trans_index; - } - } - int startX = pCodec->m_startX; - int startY = pCodec->m_startY; - int sizeX = pCodec->m_sizeX; - int sizeY = pCodec->m_sizeY; - int Bpp = pDevice->GetBPP() / 8; - FX_ARGB argb = pCodec->m_pSrcPalette[pal_index]; - for (int row = 0; row < sizeY; row++) { - uint8_t* pScanline = - (uint8_t*)pDevice->GetScanline(row + startY) + startX * Bpp; - switch (pCodec->m_TransMethod) { - case 3: { - uint8_t gray = - FXRGB2GRAY(FXARGB_R(argb), FXARGB_G(argb), FXARGB_B(argb)); - FXSYS_memset(pScanline, gray, sizeX); - break; - } - case 8: { - for (int col = 0; col < sizeX; col++) { - *pScanline++ = FXARGB_B(argb); - *pScanline++ = FXARGB_G(argb); - *pScanline++ = FXARGB_R(argb); - pScanline += Bpp - 3; - } - break; - } - case 12: { - for (int col = 0; col < sizeX; col++) { - FXARGB_SETDIB(pScanline, argb); - pScanline += 4; - } - break; - } - } - } - return TRUE; -} -void CCodec_ProgressiveDecoder::GifReadScanlineCallback(void* pModule, - int32_t row_num, - uint8_t* row_buf) { - CCodec_ProgressiveDecoder* pCodec = (CCodec_ProgressiveDecoder*)pModule; - CFX_DIBitmap* pDIBitmap = pCodec->m_pDeviceBitmap; - ASSERT(pDIBitmap); - int32_t img_width = pCodec->m_GifFrameRect.Width(); - if (!pDIBitmap->HasAlpha()) { - uint8_t* byte_ptr = row_buf; - for (int i = 0; i < img_width; i++) { - if (*byte_ptr == pCodec->m_GifTransIndex) { - *byte_ptr = pCodec->m_GifBgIndex; - } - byte_ptr++; - } - } - int32_t pal_index = pCodec->m_GifBgIndex; - if (pCodec->m_GifTransIndex != -1 && pCodec->m_pDeviceBitmap->HasAlpha()) { - pal_index = pCodec->m_GifTransIndex; - } - FXSYS_memset(pCodec->m_pDecodeBuf, pal_index, pCodec->m_SrcWidth); - bool bLastPass = (row_num % 2) == 1; - int32_t line = row_num + pCodec->m_GifFrameRect.top; - int32_t left = pCodec->m_GifFrameRect.left; - FXSYS_memcpy(pCodec->m_pDecodeBuf + left, row_buf, img_width); - int src_top = pCodec->m_clipBox.top; - int src_bottom = pCodec->m_clipBox.bottom; - int des_top = pCodec->m_startY; - int src_hei = pCodec->m_clipBox.Height(); - int des_hei = pCodec->m_sizeY; - if (line >= src_top && line < src_bottom) { - double scale_y = (double)des_hei / (double)src_hei; - int src_row = line - src_top; - int des_row = (int)(src_row * scale_y) + des_top; - if (des_row >= des_top + des_hei) { - return; - } - pCodec->ReSampleScanline(pDIBitmap, des_row, pCodec->m_pDecodeBuf, - pCodec->m_SrcFormat); - if (scale_y > 1.0 && - (!pCodec->m_bInterpol || pCodec->m_SrcPassNumber == 1)) { - pCodec->ResampleVert(pDIBitmap, scale_y, des_row); - return; - } - if (scale_y > 1.0) { - int des_bottom = des_top + pCodec->m_sizeY; - int des_Bpp = pDIBitmap->GetBPP() >> 3; - FX_DWORD des_ScanOffet = pCodec->m_startX * des_Bpp; - if (des_row + (int)scale_y >= des_bottom - 1) { - uint8_t* scan_src = - (uint8_t*)pDIBitmap->GetScanline(des_row) + des_ScanOffet; - int cur_row = des_row; - while (++cur_row < des_bottom) { - uint8_t* scan_des = - (uint8_t*)pDIBitmap->GetScanline(cur_row) + des_ScanOffet; - FX_DWORD size = pCodec->m_sizeX * des_Bpp; - FXSYS_memcpy(scan_des, scan_src, size); - } - } - if (bLastPass) { - pCodec->GifDoubleLineResampleVert(pDIBitmap, scale_y, des_row); - } - } - } -} -void CCodec_ProgressiveDecoder::GifDoubleLineResampleVert( - CFX_DIBitmap* pDeviceBitmap, - double scale_y, - int des_row) { - int des_Bpp = pDeviceBitmap->GetBPP() >> 3; - FX_DWORD des_ScanOffet = m_startX * des_Bpp; - int des_top = m_startY; - int des_row_1 = des_row - int(2 * scale_y); - if (des_row_1 < des_top) { - des_row_1 = des_top; - } - for (; des_row_1 < des_row; des_row_1++) { - uint8_t* scan_des = - (uint8_t*)pDeviceBitmap->GetScanline(des_row_1) + des_ScanOffet; - PixelWeight* pWeight = m_WeightVert.GetPixelWeight(des_row_1 - des_top); - const uint8_t* scan_src1 = - pDeviceBitmap->GetScanline(pWeight->m_SrcStart + des_top) + - des_ScanOffet; - const uint8_t* scan_src2 = - pDeviceBitmap->GetScanline(pWeight->m_SrcEnd + des_top) + des_ScanOffet; - for (int des_col = 0; des_col < m_sizeX; des_col++) { - switch (pDeviceBitmap->GetFormat()) { - case FXDIB_Invalid: - case FXDIB_1bppMask: - case FXDIB_1bppRgb: - return; - case FXDIB_8bppMask: - case FXDIB_8bppRgb: { - if (pDeviceBitmap->GetPalette()) { - return; - } - int des_g = 0; - des_g += pWeight->m_Weights[0] * (*scan_src1++); - des_g += pWeight->m_Weights[1] * (*scan_src2++); - *scan_des++ = (uint8_t)(des_g >> 16); - } break; - case FXDIB_Rgb: - case FXDIB_Rgb32: { - FX_DWORD des_b = 0, des_g = 0, des_r = 0; - des_b += pWeight->m_Weights[0] * (*scan_src1++); - des_g += pWeight->m_Weights[0] * (*scan_src1++); - des_r += pWeight->m_Weights[0] * (*scan_src1++); - scan_src1 += des_Bpp - 3; - des_b += pWeight->m_Weights[1] * (*scan_src2++); - des_g += pWeight->m_Weights[1] * (*scan_src2++); - des_r += pWeight->m_Weights[1] * (*scan_src2++); - scan_src2 += des_Bpp - 3; - *scan_des++ = (uint8_t)((des_b) >> 16); - *scan_des++ = (uint8_t)((des_g) >> 16); - *scan_des++ = (uint8_t)((des_r) >> 16); - scan_des += des_Bpp - 3; - } break; - case FXDIB_Argb: { - FX_DWORD des_a = 0, des_b = 0, des_g = 0, des_r = 0; - des_b += pWeight->m_Weights[0] * (*scan_src1++); - des_g += pWeight->m_Weights[0] * (*scan_src1++); - des_r += pWeight->m_Weights[0] * (*scan_src1++); - des_a += pWeight->m_Weights[0] * (*scan_src1++); - des_b += pWeight->m_Weights[1] * (*scan_src2++); - des_g += pWeight->m_Weights[1] * (*scan_src2++); - des_r += pWeight->m_Weights[1] * (*scan_src2++); - des_a += pWeight->m_Weights[1] * (*scan_src2++); - *scan_des++ = (uint8_t)((des_b) >> 16); - *scan_des++ = (uint8_t)((des_g) >> 16); - *scan_des++ = (uint8_t)((des_r) >> 16); - *scan_des++ = (uint8_t)((des_a) >> 16); - } break; - default: - return; - } - } - } - int des_bottom = des_top + m_sizeY - 1; - if (des_row + (int)(2 * scale_y) >= des_bottom && - des_row + (int)scale_y < des_bottom) { - GifDoubleLineResampleVert(pDeviceBitmap, scale_y, des_row + (int)scale_y); - } -} -FX_BOOL CCodec_ProgressiveDecoder::BmpReadMoreData(ICodec_BmpModule* pBmpModule, - FXCODEC_STATUS& err_status) { - FX_DWORD dwSize = (FX_DWORD)m_pFile->GetSize(); - if (dwSize <= m_offSet) { - return FALSE; - } - dwSize = dwSize - m_offSet; - FX_DWORD dwAvail = pBmpModule->GetAvailInput(m_pBmpContext, NULL); - if (dwAvail == m_SrcSize) { - if (dwSize > FXCODEC_BLOCK_SIZE) { - dwSize = FXCODEC_BLOCK_SIZE; - } - m_SrcSize = (dwSize + dwAvail + FXCODEC_BLOCK_SIZE - 1) / - FXCODEC_BLOCK_SIZE * FXCODEC_BLOCK_SIZE; - m_pSrcBuf = FX_Realloc(uint8_t, m_pSrcBuf, m_SrcSize); - if (!m_pSrcBuf) { - err_status = FXCODEC_STATUS_ERR_MEMORY; - return FALSE; - } - } else { - FX_DWORD dwConsume = m_SrcSize - dwAvail; - if (dwAvail) { - FXSYS_memcpy(m_pSrcBuf, m_pSrcBuf + dwConsume, dwAvail); - } - if (dwSize > dwConsume) { - dwSize = dwConsume; - } - } - if (!m_pFile->ReadBlock(m_pSrcBuf + dwAvail, m_offSet, dwSize)) { - err_status = FXCODEC_STATUS_ERR_READ; - return FALSE; - } - m_offSet += dwSize; - pBmpModule->Input(m_pBmpContext, m_pSrcBuf, dwSize + dwAvail); - return TRUE; -} -FX_BOOL CCodec_ProgressiveDecoder::BmpInputImagePositionBufCallback( - void* pModule, - FX_DWORD rcd_pos) { - CCodec_ProgressiveDecoder* pCodec = (CCodec_ProgressiveDecoder*)pModule; - pCodec->m_offSet = rcd_pos; - FXCODEC_STATUS error_status = FXCODEC_STATUS_ERROR; - if (!pCodec->BmpReadMoreData(pCodec->m_pCodecMgr->GetBmpModule(), - error_status)) { - return FALSE; - } - return TRUE; -} -void CCodec_ProgressiveDecoder::BmpReadScanlineCallback(void* pModule, - int32_t row_num, - uint8_t* row_buf) { - CCodec_ProgressiveDecoder* pCodec = (CCodec_ProgressiveDecoder*)pModule; - CFX_DIBitmap* pDIBitmap = pCodec->m_pDeviceBitmap; - ASSERT(pDIBitmap); - FXSYS_memcpy(pCodec->m_pDecodeBuf, row_buf, pCodec->m_ScanlineSize); - int src_top = pCodec->m_clipBox.top; - int src_bottom = pCodec->m_clipBox.bottom; - int des_top = pCodec->m_startY; - int src_hei = pCodec->m_clipBox.Height(); - int des_hei = pCodec->m_sizeY; - if (row_num >= src_top && row_num < src_bottom) { - double scale_y = (double)des_hei / (double)src_hei; - int src_row = row_num - src_top; - int des_row = (int)(src_row * scale_y) + des_top; - if (des_row >= des_top + des_hei) { - return; - } - pCodec->ReSampleScanline(pDIBitmap, des_row, pCodec->m_pDecodeBuf, - pCodec->m_SrcFormat); - if (scale_y > 1.0) { - if (pCodec->m_BmpIsTopBottom || !pCodec->m_bInterpol) { - pCodec->ResampleVert(pDIBitmap, scale_y, des_row); - return; - } else { - pCodec->ResampleVertBT(pDIBitmap, scale_y, des_row); - } - } - } -} -void CCodec_ProgressiveDecoder::ResampleVertBT(CFX_DIBitmap* pDeviceBitmap, - double scale_y, - int des_row) { - int des_Bpp = pDeviceBitmap->GetBPP() >> 3; - FX_DWORD des_ScanOffet = m_startX * des_Bpp; - int des_top = m_startY; - int des_bottom = m_startY + m_sizeY; - int des_row_1 = des_row + int(scale_y); - if (des_row_1 >= des_bottom - 1) { - uint8_t* scan_src = - (uint8_t*)pDeviceBitmap->GetScanline(des_row) + des_ScanOffet; - while (++des_row < des_bottom) { - uint8_t* scan_des = - (uint8_t*)pDeviceBitmap->GetScanline(des_row) + des_ScanOffet; - FX_DWORD size = m_sizeX * des_Bpp; - FXSYS_memcpy(scan_des, scan_src, size); - } - return; - } - for (; des_row_1 > des_row; des_row_1--) { - uint8_t* scan_des = - (uint8_t*)pDeviceBitmap->GetScanline(des_row_1) + des_ScanOffet; - PixelWeight* pWeight = m_WeightVert.GetPixelWeight(des_row_1 - des_top); - const uint8_t* scan_src1 = - pDeviceBitmap->GetScanline(pWeight->m_SrcStart + des_top) + - des_ScanOffet; - const uint8_t* scan_src2 = - pDeviceBitmap->GetScanline(pWeight->m_SrcEnd + des_top) + des_ScanOffet; - for (int des_col = 0; des_col < m_sizeX; des_col++) { - switch (pDeviceBitmap->GetFormat()) { - case FXDIB_Invalid: - case FXDIB_1bppMask: - case FXDIB_1bppRgb: - return; - case FXDIB_8bppMask: - case FXDIB_8bppRgb: { - if (pDeviceBitmap->GetPalette()) { - return; - } - int des_g = 0; - des_g += pWeight->m_Weights[0] * (*scan_src1++); - des_g += pWeight->m_Weights[1] * (*scan_src2++); - *scan_des++ = (uint8_t)(des_g >> 16); - } break; - case FXDIB_Rgb: - case FXDIB_Rgb32: { - FX_DWORD des_b = 0, des_g = 0, des_r = 0; - des_b += pWeight->m_Weights[0] * (*scan_src1++); - des_g += pWeight->m_Weights[0] * (*scan_src1++); - des_r += pWeight->m_Weights[0] * (*scan_src1++); - scan_src1 += des_Bpp - 3; - des_b += pWeight->m_Weights[1] * (*scan_src2++); - des_g += pWeight->m_Weights[1] * (*scan_src2++); - des_r += pWeight->m_Weights[1] * (*scan_src2++); - scan_src2 += des_Bpp - 3; - *scan_des++ = (uint8_t)((des_b) >> 16); - *scan_des++ = (uint8_t)((des_g) >> 16); - *scan_des++ = (uint8_t)((des_r) >> 16); - scan_des += des_Bpp - 3; - } break; - case FXDIB_Argb: { - FX_DWORD des_a = 0, des_b = 0, des_g = 0, des_r = 0; - des_b += pWeight->m_Weights[0] * (*scan_src1++); - des_g += pWeight->m_Weights[0] * (*scan_src1++); - des_r += pWeight->m_Weights[0] * (*scan_src1++); - des_a += pWeight->m_Weights[0] * (*scan_src1++); - des_b += pWeight->m_Weights[1] * (*scan_src2++); - des_g += pWeight->m_Weights[1] * (*scan_src2++); - des_r += pWeight->m_Weights[1] * (*scan_src2++); - des_a += pWeight->m_Weights[1] * (*scan_src2++); - *scan_des++ = (uint8_t)((des_b) >> 16); - *scan_des++ = (uint8_t)((des_g) >> 16); - *scan_des++ = (uint8_t)((des_r) >> 16); - *scan_des++ = (uint8_t)((des_a) >> 16); - } break; - default: - return; - } - } - } -} -FX_BOOL CCodec_ProgressiveDecoder::DetectImageType( - FXCODEC_IMAGE_TYPE imageType, - CFX_DIBAttribute* pAttribute) { - m_offSet = 0; - FX_DWORD size = (FX_DWORD)m_pFile->GetSize(); - if (size > FXCODEC_BLOCK_SIZE) { - size = FXCODEC_BLOCK_SIZE; - } - FX_Free(m_pSrcBuf); - m_pSrcBuf = FX_Alloc(uint8_t, size); - FXSYS_memset(m_pSrcBuf, 0, size); - m_SrcSize = size; - switch (imageType) { - case FXCODEC_IMAGE_BMP: { - ICodec_BmpModule* pBmpModule = m_pCodecMgr->GetBmpModule(); - if (pBmpModule == NULL) { - m_status = FXCODEC_STATUS_ERR_MEMORY; - return FALSE; - } - pBmpModule->InputImagePositionBufCallback = - BmpInputImagePositionBufCallback; - pBmpModule->ReadScanlineCallback = BmpReadScanlineCallback; - m_pBmpContext = pBmpModule->Start((void*)this); - if (m_pBmpContext == NULL) { - m_status = FXCODEC_STATUS_ERR_MEMORY; - return FALSE; - } - FX_BOOL bResult = m_pFile->ReadBlock(m_pSrcBuf, 0, size); - if (!bResult) { - m_status = FXCODEC_STATUS_ERR_READ; - return FALSE; - } - m_offSet += size; - pBmpModule->Input(m_pBmpContext, m_pSrcBuf, size); - FX_DWORD* pPalette = NULL; - int32_t readResult = pBmpModule->ReadHeader( - m_pBmpContext, &m_SrcWidth, &m_SrcHeight, &m_BmpIsTopBottom, - &m_SrcComponents, &m_SrcPaletteNumber, &pPalette, pAttribute); - while (readResult == 2) { - FXCODEC_STATUS error_status = FXCODEC_STATUS_ERR_FORMAT; - if (!BmpReadMoreData(pBmpModule, error_status)) { - m_status = error_status; - return FALSE; - } - readResult = pBmpModule->ReadHeader( - m_pBmpContext, &m_SrcWidth, &m_SrcHeight, &m_BmpIsTopBottom, - &m_SrcComponents, &m_SrcPaletteNumber, &pPalette, pAttribute); - } - if (readResult == 1) { - m_SrcBPC = 8; - m_clipBox = FX_RECT(0, 0, m_SrcWidth, m_SrcHeight); - FX_Free(m_pSrcPalette); - if (m_SrcPaletteNumber) { - m_pSrcPalette = FX_Alloc(FX_ARGB, m_SrcPaletteNumber); - FXSYS_memcpy(m_pSrcPalette, pPalette, - m_SrcPaletteNumber * sizeof(FX_DWORD)); - } else { - m_pSrcPalette = nullptr; - } - return TRUE; - } - if (m_pBmpContext) { - pBmpModule->Finish(m_pBmpContext); - m_pBmpContext = NULL; - } - m_status = FXCODEC_STATUS_ERR_FORMAT; - return FALSE; - } break; - case FXCODEC_IMAGE_JPG: { - ICodec_JpegModule* pJpegModule = m_pCodecMgr->GetJpegModule(); - if (pJpegModule == NULL) { - m_status = FXCODEC_STATUS_ERR_MEMORY; - return FALSE; - } - m_pJpegContext = pJpegModule->Start(); - if (m_pJpegContext == NULL) { - m_status = FXCODEC_STATUS_ERR_MEMORY; - return FALSE; - } - FX_BOOL bResult = m_pFile->ReadBlock(m_pSrcBuf, 0, size); - if (!bResult) { - m_status = FXCODEC_STATUS_ERR_READ; - return FALSE; - } - m_offSet += size; - pJpegModule->Input(m_pJpegContext, m_pSrcBuf, size); - int32_t readResult = - pJpegModule->ReadHeader(m_pJpegContext, &m_SrcWidth, &m_SrcHeight, - &m_SrcComponents, pAttribute); - while (readResult == 2) { - FXCODEC_STATUS error_status = FXCODEC_STATUS_ERR_FORMAT; - if (!JpegReadMoreData(pJpegModule, error_status)) { - m_status = error_status; - return FALSE; - } - readResult = - pJpegModule->ReadHeader(m_pJpegContext, &m_SrcWidth, &m_SrcHeight, - &m_SrcComponents, pAttribute); - } - if (!readResult) { - m_SrcBPC = 8; - m_clipBox = FX_RECT(0, 0, m_SrcWidth, m_SrcHeight); - return TRUE; - } - if (m_pJpegContext) { - pJpegModule->Finish(m_pJpegContext); - m_pJpegContext = NULL; - } - m_status = FXCODEC_STATUS_ERR_FORMAT; - return FALSE; - } break; - case FXCODEC_IMAGE_PNG: { - ICodec_PngModule* pPngModule = m_pCodecMgr->GetPngModule(); - if (pPngModule == NULL) { - m_status = FXCODEC_STATUS_ERR_MEMORY; - return FALSE; - } - pPngModule->ReadHeaderCallback = - CCodec_ProgressiveDecoder::PngReadHeaderFunc; - pPngModule->AskScanlineBufCallback = - CCodec_ProgressiveDecoder::PngAskScanlineBufFunc; - pPngModule->FillScanlineBufCompletedCallback = - CCodec_ProgressiveDecoder::PngFillScanlineBufCompletedFunc; - m_pPngContext = pPngModule->Start((void*)this); - if (m_pPngContext == NULL) { - m_status = FXCODEC_STATUS_ERR_MEMORY; - return FALSE; - } - FX_BOOL bResult = m_pFile->ReadBlock(m_pSrcBuf, 0, size); - if (!bResult) { - m_status = FXCODEC_STATUS_ERR_READ; - return FALSE; - } - m_offSet += size; - bResult = pPngModule->Input(m_pPngContext, m_pSrcBuf, size, pAttribute); - while (bResult) { - FX_DWORD remain_size = (FX_DWORD)m_pFile->GetSize() - m_offSet; - FX_DWORD input_size = - remain_size > FXCODEC_BLOCK_SIZE ? FXCODEC_BLOCK_SIZE : remain_size; - if (input_size == 0) { - if (m_pPngContext) { - pPngModule->Finish(m_pPngContext); - } - m_pPngContext = NULL; - m_status = FXCODEC_STATUS_ERR_FORMAT; - return FALSE; - } - if (m_pSrcBuf && input_size > m_SrcSize) { - FX_Free(m_pSrcBuf); - m_pSrcBuf = FX_Alloc(uint8_t, input_size); - FXSYS_memset(m_pSrcBuf, 0, input_size); - m_SrcSize = input_size; - } - bResult = m_pFile->ReadBlock(m_pSrcBuf, m_offSet, input_size); - if (!bResult) { - m_status = FXCODEC_STATUS_ERR_READ; - return FALSE; - } - m_offSet += input_size; - bResult = - pPngModule->Input(m_pPngContext, m_pSrcBuf, input_size, pAttribute); - } - ASSERT(!bResult); - if (m_pPngContext) { - pPngModule->Finish(m_pPngContext); - m_pPngContext = NULL; - } - if (m_SrcPassNumber == 0) { - m_status = FXCODEC_STATUS_ERR_FORMAT; - return FALSE; - } - } break; - case FXCODEC_IMAGE_GIF: { - ICodec_GifModule* pGifModule = m_pCodecMgr->GetGifModule(); - if (pGifModule == NULL) { - m_status = FXCODEC_STATUS_ERR_MEMORY; - return FALSE; - } - pGifModule->RecordCurrentPositionCallback = - CCodec_ProgressiveDecoder::GifRecordCurrentPositionCallback; - pGifModule->AskLocalPaletteBufCallback = - CCodec_ProgressiveDecoder::GifAskLocalPaletteBufCallback; - pGifModule->InputRecordPositionBufCallback = - CCodec_ProgressiveDecoder::GifInputRecordPositionBufCallback; - pGifModule->ReadScanlineCallback = - CCodec_ProgressiveDecoder::GifReadScanlineCallback; - m_pGifContext = pGifModule->Start((void*)this); - if (m_pGifContext == NULL) { - m_status = FXCODEC_STATUS_ERR_MEMORY; - return FALSE; - } - FX_BOOL bResult = m_pFile->ReadBlock(m_pSrcBuf, 0, size); - if (!bResult) { - m_status = FXCODEC_STATUS_ERR_READ; - return FALSE; - } - m_offSet += size; - pGifModule->Input(m_pGifContext, m_pSrcBuf, size); - m_SrcComponents = 1; - int32_t readResult = pGifModule->ReadHeader( - m_pGifContext, &m_SrcWidth, &m_SrcHeight, &m_GifPltNumber, - (void**)&m_pGifPalette, &m_GifBgIndex, nullptr); - while (readResult == 2) { - FXCODEC_STATUS error_status = FXCODEC_STATUS_ERR_FORMAT; - if (!GifReadMoreData(pGifModule, error_status)) { - m_status = error_status; - return FALSE; - } - readResult = pGifModule->ReadHeader( - m_pGifContext, &m_SrcWidth, &m_SrcHeight, &m_GifPltNumber, - (void**)&m_pGifPalette, &m_GifBgIndex, nullptr); - } - if (readResult == 1) { - m_SrcBPC = 8; - m_clipBox = FX_RECT(0, 0, m_SrcWidth, m_SrcHeight); - return TRUE; - } - if (m_pGifContext) { - pGifModule->Finish(m_pGifContext); - m_pGifContext = NULL; - } - m_status = FXCODEC_STATUS_ERR_FORMAT; - return FALSE; - } break; - case FXCODEC_IMAGE_TIF: { - ICodec_TiffModule* pTiffModule = m_pCodecMgr->GetTiffModule(); - if (pTiffModule == NULL) { - m_status = FXCODEC_STATUS_ERR_FORMAT; - return FALSE; - } - m_pTiffContext = pTiffModule->CreateDecoder(m_pFile); - if (m_pTiffContext == NULL) { - m_status = FXCODEC_STATUS_ERR_FORMAT; - return FALSE; - } - int32_t frames = 0; - pTiffModule->GetFrames(m_pTiffContext, frames); - FX_DWORD bpc; - FX_BOOL ret = pTiffModule->LoadFrameInfo( - m_pTiffContext, 0, (FX_DWORD&)m_SrcWidth, (FX_DWORD&)m_SrcHeight, - (FX_DWORD&)m_SrcComponents, bpc, pAttribute); - m_SrcComponents = 4; - m_clipBox = FX_RECT(0, 0, m_SrcWidth, m_SrcHeight); - if (!ret) { - pTiffModule->DestroyDecoder(m_pTiffContext); - (m_pTiffContext = NULL); - (m_status = FXCODEC_STATUS_ERR_FORMAT); - return FALSE; - } - } break; - default: - m_status = FXCODEC_STATUS_ERR_FORMAT; - return FALSE; - } - return TRUE; -} -FXCODEC_STATUS CCodec_ProgressiveDecoder::LoadImageInfo( - IFX_FileRead* pFile, - FXCODEC_IMAGE_TYPE imageType, - CFX_DIBAttribute* pAttribute) { - switch (m_status) { - case FXCODEC_STATUS_FRAME_READY: - case FXCODEC_STATUS_FRAME_TOBECONTINUE: - case FXCODEC_STATUS_DECODE_READY: - case FXCODEC_STATUS_DECODE_TOBECONTINUE: - return FXCODEC_STATUS_ERROR; - default: - break; - } - if (pFile == NULL) { - m_status = FXCODEC_STATUS_ERR_PARAMS; - m_pFile = NULL; - return m_status; - } - m_pFile = pFile; - m_offSet = 0; - m_SrcWidth = m_SrcHeight = 0; - m_SrcComponents = m_SrcBPC = 0; - m_clipBox = FX_RECT(0, 0, 0, 0); - m_startX = m_startY = 0; - m_sizeX = m_sizeY = 0; - m_SrcPassNumber = 0; - if (imageType != FXCODEC_IMAGE_UNKNOWN && - DetectImageType(imageType, pAttribute)) { - m_imagType = imageType; - m_status = FXCODEC_STATUS_FRAME_READY; - return m_status; - } - for (int type = FXCODEC_IMAGE_BMP; type < FXCODEC_IMAGE_MAX; type++) { - if (DetectImageType((FXCODEC_IMAGE_TYPE)type, pAttribute)) { - m_imagType = (FXCODEC_IMAGE_TYPE)type; - m_status = FXCODEC_STATUS_FRAME_READY; - return m_status; - } - } - m_status = FXCODEC_STATUS_ERR_FORMAT; - m_pFile = NULL; - return m_status; -} -void CCodec_ProgressiveDecoder::SetClipBox(FX_RECT* clip) { - if (m_status != FXCODEC_STATUS_FRAME_READY) { - return; - } - if (clip->IsEmpty()) { - m_clipBox = FX_RECT(0, 0, 0, 0); - return; - } - if (clip->left < 0) { - clip->left = 0; - } - if (clip->right > m_SrcWidth) { - clip->right = m_SrcWidth; - } - if (clip->top < 0) { - clip->top = 0; - } - if (clip->bottom > m_SrcHeight) { - clip->bottom = m_SrcHeight; - } - if (clip->IsEmpty()) { - m_clipBox = FX_RECT(0, 0, 0, 0); - return; - } - m_clipBox = *clip; -} -void CCodec_ProgressiveDecoder::GetDownScale(int& down_scale) { - down_scale = 1; - int ratio_w = m_clipBox.Width() / m_sizeX; - int ratio_h = m_clipBox.Height() / m_sizeY; - int ratio = (ratio_w > ratio_h) ? ratio_h : ratio_w; - if (ratio >= 8) { - down_scale = 8; - } else if (ratio >= 4) { - down_scale = 4; - } else if (ratio >= 2) { - down_scale = 2; - } - m_clipBox.left /= down_scale; - m_clipBox.right /= down_scale; - m_clipBox.top /= down_scale; - m_clipBox.bottom /= down_scale; - if (m_clipBox.right == m_clipBox.left) { - m_clipBox.right = m_clipBox.left + 1; - } - if (m_clipBox.bottom == m_clipBox.top) { - m_clipBox.bottom = m_clipBox.top + 1; - } -} -void CCodec_ProgressiveDecoder::GetTransMethod(FXDIB_Format des_format, - FXCodec_Format src_format) { - switch (des_format) { - case FXDIB_1bppMask: - case FXDIB_1bppRgb: { - switch (src_format) { - case FXCodec_1bppGray: - m_TransMethod = 0; - break; - default: - m_TransMethod = -1; - } - } break; - case FXDIB_8bppMask: - case FXDIB_8bppRgb: { - switch (src_format) { - case FXCodec_1bppGray: - m_TransMethod = 1; - break; - case FXCodec_8bppGray: - m_TransMethod = 2; - break; - case FXCodec_1bppRgb: - case FXCodec_8bppRgb: - m_TransMethod = 3; - break; - case FXCodec_Rgb: - case FXCodec_Rgb32: - case FXCodec_Argb: - m_TransMethod = 4; - break; - case FXCodec_Cmyk: - m_TransMethod = 5; - break; - default: - m_TransMethod = -1; - } - } break; - case FXDIB_Rgb: { - switch (src_format) { - case FXCodec_1bppGray: - m_TransMethod = 6; - break; - case FXCodec_8bppGray: - m_TransMethod = 7; - break; - case FXCodec_1bppRgb: - case FXCodec_8bppRgb: - m_TransMethod = 8; - break; - case FXCodec_Rgb: - case FXCodec_Rgb32: - case FXCodec_Argb: - m_TransMethod = 9; - break; - case FXCodec_Cmyk: - m_TransMethod = 10; - break; - default: - m_TransMethod = -1; - } - } break; - case FXDIB_Rgb32: - case FXDIB_Argb: { - switch (src_format) { - case FXCodec_1bppGray: - m_TransMethod = 6; - break; - case FXCodec_8bppGray: - m_TransMethod = 7; - break; - case FXCodec_1bppRgb: - case FXCodec_8bppRgb: - if (des_format == FXDIB_Argb) { - m_TransMethod = 12; - } else { - m_TransMethod = 8; - } - break; - case FXCodec_Rgb: - case FXCodec_Rgb32: - m_TransMethod = 9; - break; - case FXCodec_Cmyk: - m_TransMethod = 10; - break; - case FXCodec_Argb: - m_TransMethod = 11; - break; - default: - m_TransMethod = -1; - } - } break; - default: - m_TransMethod = -1; - } -} -void _RGB2BGR(uint8_t* buffer, int width = 1) { - if (buffer && width > 0) { - uint8_t temp; - int i = 0; - int j = 0; - for (; i < width; i++, j += 3) { - temp = buffer[j]; - buffer[j] = buffer[j + 2]; - buffer[j + 2] = temp; - } - } -} -void CCodec_ProgressiveDecoder::ReSampleScanline(CFX_DIBitmap* pDeviceBitmap, - int des_line, - uint8_t* src_scan, - FXCodec_Format src_format) { - int src_left = m_clipBox.left; - int des_left = m_startX; - uint8_t* des_scan = - pDeviceBitmap->GetBuffer() + des_line * pDeviceBitmap->GetPitch(); - int src_bpp = src_format & 0xff; - int des_bpp = pDeviceBitmap->GetBPP(); - int src_Bpp = src_bpp >> 3; - int des_Bpp = des_bpp >> 3; - src_scan += src_left * src_Bpp; - des_scan += des_left * des_Bpp; - for (int des_col = 0; des_col < m_sizeX; des_col++) { - PixelWeight* pPixelWeights = m_WeightHorz.GetPixelWeight(des_col); - switch (m_TransMethod) { - case -1: - return; - case 0: - return; - case 1: - return; - case 2: { - FX_DWORD des_g = 0; - for (int j = pPixelWeights->m_SrcStart; j <= pPixelWeights->m_SrcEnd; - j++) { - int pixel_weight = - pPixelWeights->m_Weights[j - pPixelWeights->m_SrcStart]; - des_g += pixel_weight * src_scan[j]; - } - *des_scan++ = (uint8_t)(des_g >> 16); - } break; - case 3: { - int des_r = 0, des_g = 0, des_b = 0; - for (int j = pPixelWeights->m_SrcStart; j <= pPixelWeights->m_SrcEnd; - j++) { - int pixel_weight = - pPixelWeights->m_Weights[j - pPixelWeights->m_SrcStart]; - unsigned long argb = m_pSrcPalette[src_scan[j]]; - des_r += pixel_weight * (uint8_t)(argb >> 16); - des_g += pixel_weight * (uint8_t)(argb >> 8); - des_b += pixel_weight * (uint8_t)argb; - } - *des_scan++ = - (uint8_t)FXRGB2GRAY((des_r >> 16), (des_g >> 16), (des_b >> 16)); - } break; - case 4: { - FX_DWORD des_b = 0, des_g = 0, des_r = 0; - for (int j = pPixelWeights->m_SrcStart; j <= pPixelWeights->m_SrcEnd; - j++) { - int pixel_weight = - pPixelWeights->m_Weights[j - pPixelWeights->m_SrcStart]; - const uint8_t* src_pixel = src_scan + j * src_Bpp; - des_b += pixel_weight * (*src_pixel++); - des_g += pixel_weight * (*src_pixel++); - des_r += pixel_weight * (*src_pixel); - } - *des_scan++ = - (uint8_t)FXRGB2GRAY((des_r >> 16), (des_g >> 16), (des_b >> 16)); - } break; - case 5: { - FX_DWORD des_b = 0, des_g = 0, des_r = 0; - for (int j = pPixelWeights->m_SrcStart; j <= pPixelWeights->m_SrcEnd; - j++) { - int pixel_weight = - pPixelWeights->m_Weights[j - pPixelWeights->m_SrcStart]; - const uint8_t* src_pixel = src_scan + j * src_Bpp; - uint8_t src_b = 0, src_g = 0, src_r = 0; - AdobeCMYK_to_sRGB1(255 - src_pixel[0], 255 - src_pixel[1], - 255 - src_pixel[2], 255 - src_pixel[3], src_r, - src_g, src_b); - des_b += pixel_weight * src_b; - des_g += pixel_weight * src_g; - des_r += pixel_weight * src_r; - } - *des_scan++ = - (uint8_t)FXRGB2GRAY((des_r >> 16), (des_g >> 16), (des_b >> 16)); - } break; - case 6: - return; - case 7: { - FX_DWORD des_g = 0; - for (int j = pPixelWeights->m_SrcStart; j <= pPixelWeights->m_SrcEnd; - j++) { - int pixel_weight = - pPixelWeights->m_Weights[j - pPixelWeights->m_SrcStart]; - des_g += pixel_weight * src_scan[j]; - } - FXSYS_memset(des_scan, (uint8_t)(des_g >> 16), 3); - des_scan += des_Bpp; - } break; - case 8: { - int des_r = 0, des_g = 0, des_b = 0; - for (int j = pPixelWeights->m_SrcStart; j <= pPixelWeights->m_SrcEnd; - j++) { - int pixel_weight = - pPixelWeights->m_Weights[j - pPixelWeights->m_SrcStart]; - unsigned long argb = m_pSrcPalette[src_scan[j]]; - des_r += pixel_weight * (uint8_t)(argb >> 16); - des_g += pixel_weight * (uint8_t)(argb >> 8); - des_b += pixel_weight * (uint8_t)argb; - } - *des_scan++ = (uint8_t)((des_b) >> 16); - *des_scan++ = (uint8_t)((des_g) >> 16); - *des_scan++ = (uint8_t)((des_r) >> 16); - des_scan += des_Bpp - 3; - } break; - case 12: { - if (m_pBmpContext) { - int des_r = 0, des_g = 0, des_b = 0; - for (int j = pPixelWeights->m_SrcStart; j <= pPixelWeights->m_SrcEnd; - j++) { - int pixel_weight = - pPixelWeights->m_Weights[j - pPixelWeights->m_SrcStart]; - unsigned long argb = m_pSrcPalette[src_scan[j]]; - des_r += pixel_weight * (uint8_t)(argb >> 16); - des_g += pixel_weight * (uint8_t)(argb >> 8); - des_b += pixel_weight * (uint8_t)argb; - } - *des_scan++ = (uint8_t)((des_b) >> 16); - *des_scan++ = (uint8_t)((des_g) >> 16); - *des_scan++ = (uint8_t)((des_r) >> 16); - *des_scan++ = 0xFF; - } else { - int des_a = 0, des_r = 0, des_g = 0, des_b = 0; - for (int j = pPixelWeights->m_SrcStart; j <= pPixelWeights->m_SrcEnd; - j++) { - int pixel_weight = - pPixelWeights->m_Weights[j - pPixelWeights->m_SrcStart]; - unsigned long argb = m_pSrcPalette[src_scan[j]]; - des_a += pixel_weight * (uint8_t)(argb >> 24); - des_r += pixel_weight * (uint8_t)(argb >> 16); - des_g += pixel_weight * (uint8_t)(argb >> 8); - des_b += pixel_weight * (uint8_t)argb; - } - *des_scan++ = (uint8_t)((des_b) >> 16); - *des_scan++ = (uint8_t)((des_g) >> 16); - *des_scan++ = (uint8_t)((des_r) >> 16); - *des_scan++ = (uint8_t)((des_a) >> 16); - } - } break; - case 9: { - FX_DWORD des_b = 0, des_g = 0, des_r = 0; - for (int j = pPixelWeights->m_SrcStart; j <= pPixelWeights->m_SrcEnd; - j++) { - int pixel_weight = - pPixelWeights->m_Weights[j - pPixelWeights->m_SrcStart]; - const uint8_t* src_pixel = src_scan + j * src_Bpp; - des_b += pixel_weight * (*src_pixel++); - des_g += pixel_weight * (*src_pixel++); - des_r += pixel_weight * (*src_pixel); - } - *des_scan++ = (uint8_t)((des_b) >> 16); - *des_scan++ = (uint8_t)((des_g) >> 16); - *des_scan++ = (uint8_t)((des_r) >> 16); - des_scan += des_Bpp - 3; - } break; - case 10: { - FX_DWORD des_b = 0, des_g = 0, des_r = 0; - for (int j = pPixelWeights->m_SrcStart; j <= pPixelWeights->m_SrcEnd; - j++) { - int pixel_weight = - pPixelWeights->m_Weights[j - pPixelWeights->m_SrcStart]; - const uint8_t* src_pixel = src_scan + j * src_Bpp; - uint8_t src_b = 0, src_g = 0, src_r = 0; - AdobeCMYK_to_sRGB1(255 - src_pixel[0], 255 - src_pixel[1], - 255 - src_pixel[2], 255 - src_pixel[3], src_r, - src_g, src_b); - des_b += pixel_weight * src_b; - des_g += pixel_weight * src_g; - des_r += pixel_weight * src_r; - } - *des_scan++ = (uint8_t)((des_b) >> 16); - *des_scan++ = (uint8_t)((des_g) >> 16); - *des_scan++ = (uint8_t)((des_r) >> 16); - des_scan += des_Bpp - 3; - } break; - case 11: { - FX_DWORD des_alpha = 0, des_r = 0, des_g = 0, des_b = 0; - for (int j = pPixelWeights->m_SrcStart; j <= pPixelWeights->m_SrcEnd; - j++) { - int pixel_weight = - pPixelWeights->m_Weights[j - pPixelWeights->m_SrcStart]; - const uint8_t* src_pixel = src_scan + j * src_Bpp; - pixel_weight = pixel_weight * src_pixel[3] / 255; - des_b += pixel_weight * (*src_pixel++); - des_g += pixel_weight * (*src_pixel++); - des_r += pixel_weight * (*src_pixel); - des_alpha += pixel_weight; - } - *des_scan++ = (uint8_t)((des_b) >> 16); - *des_scan++ = (uint8_t)((des_g) >> 16); - *des_scan++ = (uint8_t)((des_r) >> 16); - *des_scan++ = (uint8_t)((des_alpha * 255) >> 16); - } break; - default: - return; - } - } -} -void CCodec_ProgressiveDecoder::ResampleVert(CFX_DIBitmap* pDeviceBitmap, - double scale_y, - int des_row) { - int des_Bpp = pDeviceBitmap->GetBPP() >> 3; - FX_DWORD des_ScanOffet = m_startX * des_Bpp; - if (m_bInterpol) { - int des_top = m_startY; - int des_row_1 = des_row - int(scale_y); - if (des_row_1 < des_top) { - int des_bottom = des_top + m_sizeY; - if (des_row + (int)scale_y >= des_bottom - 1) { - uint8_t* scan_src = - (uint8_t*)pDeviceBitmap->GetScanline(des_row) + des_ScanOffet; - while (++des_row < des_bottom) { - uint8_t* scan_des = - (uint8_t*)pDeviceBitmap->GetScanline(des_row) + des_ScanOffet; - FX_DWORD size = m_sizeX * des_Bpp; - FXSYS_memcpy(scan_des, scan_src, size); - } - } - return; - } - for (; des_row_1 < des_row; des_row_1++) { - uint8_t* scan_des = - (uint8_t*)pDeviceBitmap->GetScanline(des_row_1) + des_ScanOffet; - PixelWeight* pWeight = m_WeightVert.GetPixelWeight(des_row_1 - des_top); - const uint8_t* scan_src1 = - pDeviceBitmap->GetScanline(pWeight->m_SrcStart + des_top) + - des_ScanOffet; - const uint8_t* scan_src2 = - pDeviceBitmap->GetScanline(pWeight->m_SrcEnd + des_top) + - des_ScanOffet; - for (int des_col = 0; des_col < m_sizeX; des_col++) { - switch (pDeviceBitmap->GetFormat()) { - case FXDIB_Invalid: - case FXDIB_1bppMask: - case FXDIB_1bppRgb: - return; - case FXDIB_8bppMask: - case FXDIB_8bppRgb: { - if (pDeviceBitmap->GetPalette()) { - return; - } - int des_g = 0; - des_g += pWeight->m_Weights[0] * (*scan_src1++); - des_g += pWeight->m_Weights[1] * (*scan_src2++); - *scan_des++ = (uint8_t)(des_g >> 16); - } break; - case FXDIB_Rgb: - case FXDIB_Rgb32: { - FX_DWORD des_b = 0, des_g = 0, des_r = 0; - des_b += pWeight->m_Weights[0] * (*scan_src1++); - des_g += pWeight->m_Weights[0] * (*scan_src1++); - des_r += pWeight->m_Weights[0] * (*scan_src1++); - scan_src1 += des_Bpp - 3; - des_b += pWeight->m_Weights[1] * (*scan_src2++); - des_g += pWeight->m_Weights[1] * (*scan_src2++); - des_r += pWeight->m_Weights[1] * (*scan_src2++); - scan_src2 += des_Bpp - 3; - *scan_des++ = (uint8_t)((des_b) >> 16); - *scan_des++ = (uint8_t)((des_g) >> 16); - *scan_des++ = (uint8_t)((des_r) >> 16); - scan_des += des_Bpp - 3; - } break; - case FXDIB_Argb: { - FX_DWORD des_a = 0, des_b = 0, des_g = 0, des_r = 0; - des_b += pWeight->m_Weights[0] * (*scan_src1++); - des_g += pWeight->m_Weights[0] * (*scan_src1++); - des_r += pWeight->m_Weights[0] * (*scan_src1++); - des_a += pWeight->m_Weights[0] * (*scan_src1++); - des_b += pWeight->m_Weights[1] * (*scan_src2++); - des_g += pWeight->m_Weights[1] * (*scan_src2++); - des_r += pWeight->m_Weights[1] * (*scan_src2++); - des_a += pWeight->m_Weights[1] * (*scan_src2++); - *scan_des++ = (uint8_t)((des_b) >> 16); - *scan_des++ = (uint8_t)((des_g) >> 16); - *scan_des++ = (uint8_t)((des_r) >> 16); - *scan_des++ = (uint8_t)((des_a) >> 16); - } break; - default: - return; - } - } - } - int des_bottom = des_top + m_sizeY; - if (des_row + (int)scale_y >= des_bottom - 1) { - uint8_t* scan_src = - (uint8_t*)pDeviceBitmap->GetScanline(des_row) + des_ScanOffet; - while (++des_row < des_bottom) { - uint8_t* scan_des = - (uint8_t*)pDeviceBitmap->GetScanline(des_row) + des_ScanOffet; - FX_DWORD size = m_sizeX * des_Bpp; - FXSYS_memcpy(scan_des, scan_src, size); - } - } - return; - } - int multiple = (int)FXSYS_ceil((FX_FLOAT)scale_y - 1); - if (multiple > 0) { - uint8_t* scan_src = - (uint8_t*)pDeviceBitmap->GetScanline(des_row) + des_ScanOffet; - for (int i = 1; i <= multiple; i++) { - if (des_row + i >= m_startY + m_sizeY) { - return; - } - uint8_t* scan_des = - (uint8_t*)pDeviceBitmap->GetScanline(des_row + i) + des_ScanOffet; - FX_DWORD size = m_sizeX * des_Bpp; - FXSYS_memcpy(scan_des, scan_src, size); - } - } -} -void CCodec_ProgressiveDecoder::Resample(CFX_DIBitmap* pDeviceBitmap, - int32_t src_line, - uint8_t* src_scan, - FXCodec_Format src_format) { - int src_top = m_clipBox.top; - int des_top = m_startY; - int src_hei = m_clipBox.Height(); - int des_hei = m_sizeY; - if (src_line >= src_top) { - double scale_y = (double)des_hei / (double)src_hei; - int src_row = src_line - src_top; - int des_row = (int)(src_row * scale_y) + des_top; - if (des_row >= des_top + des_hei) { - return; - } - ReSampleScanline(pDeviceBitmap, des_row, m_pDecodeBuf, src_format); - if (scale_y > 1.0) { - ResampleVert(pDeviceBitmap, scale_y, des_row); - } - } -} -FXCODEC_STATUS CCodec_ProgressiveDecoder::GetFrames(int32_t& frames, - IFX_Pause* pPause) { - if (!(m_status == FXCODEC_STATUS_FRAME_READY || - m_status == FXCODEC_STATUS_FRAME_TOBECONTINUE)) { - return FXCODEC_STATUS_ERROR; - } - switch (m_imagType) { - case FXCODEC_IMAGE_BMP: - case FXCODEC_IMAGE_JPG: - case FXCODEC_IMAGE_PNG: - case FXCODEC_IMAGE_TIF: - frames = m_FrameNumber = 1; - return m_status = FXCODEC_STATUS_DECODE_READY; - case FXCODEC_IMAGE_GIF: { - ICodec_GifModule* pGifModule = m_pCodecMgr->GetGifModule(); - while (TRUE) { - int32_t readResult = - pGifModule->LoadFrameInfo(m_pGifContext, &m_FrameNumber); - while (readResult == 2) { - FXCODEC_STATUS error_status = FXCODEC_STATUS_ERR_READ; - if (!GifReadMoreData(pGifModule, error_status)) { - return error_status; - } - if (pPause && pPause->NeedToPauseNow()) { - return m_status = FXCODEC_STATUS_FRAME_TOBECONTINUE; - } - readResult = pGifModule->LoadFrameInfo(m_pGifContext, &m_FrameNumber); - } - if (readResult == 1) { - frames = m_FrameNumber; - return m_status = FXCODEC_STATUS_DECODE_READY; - } - if (m_pGifContext) { - pGifModule->Finish(m_pGifContext); - m_pGifContext = NULL; - } - return m_status = FXCODEC_STATUS_ERROR; - } - } break; - default: - break; - } - return FXCODEC_STATUS_ERROR; -} -FXCODEC_STATUS CCodec_ProgressiveDecoder::StartDecode(CFX_DIBitmap* pDIBitmap, - int start_x, - int start_y, - int size_x, - int size_y, - int32_t frames, - FX_BOOL bInterpol) { - if (m_status != FXCODEC_STATUS_DECODE_READY) { - return FXCODEC_STATUS_ERROR; - } - if (pDIBitmap == NULL || pDIBitmap->GetBPP() < 8 || frames < 0 || - frames >= m_FrameNumber) { - return FXCODEC_STATUS_ERR_PARAMS; - } - m_pDeviceBitmap = pDIBitmap; - if (m_clipBox.IsEmpty()) { - return FXCODEC_STATUS_ERR_PARAMS; - } - if (size_x <= 0 || size_x > 65535 || size_y <= 0 || size_y > 65535) { - return FXCODEC_STATUS_ERR_PARAMS; - } - FX_RECT device_rc = - FX_RECT(start_x, start_y, start_x + size_x, start_y + size_y); - int32_t out_range_x = device_rc.right - pDIBitmap->GetWidth(); - int32_t out_range_y = device_rc.bottom - pDIBitmap->GetHeight(); - device_rc.Intersect( - FX_RECT(0, 0, pDIBitmap->GetWidth(), pDIBitmap->GetHeight())); - if (device_rc.IsEmpty()) { - return FXCODEC_STATUS_ERR_PARAMS; - } - m_startX = device_rc.left; - m_startY = device_rc.top; - m_sizeX = device_rc.Width(); - m_sizeY = device_rc.Height(); - m_bInterpol = bInterpol; - m_FrameCur = 0; - if (start_x < 0 || out_range_x > 0) { - FX_FLOAT scaleX = (FX_FLOAT)m_clipBox.Width() / (FX_FLOAT)size_x; - if (start_x < 0) { - m_clipBox.left -= (int32_t)FXSYS_ceil((FX_FLOAT)start_x * scaleX); - } - if (out_range_x > 0) { - m_clipBox.right -= (int32_t)FXSYS_floor((FX_FLOAT)out_range_x * scaleX); - } - } - if (start_y < 0 || out_range_y > 0) { - FX_FLOAT scaleY = (FX_FLOAT)m_clipBox.Height() / (FX_FLOAT)size_y; - if (start_y < 0) { - m_clipBox.top -= (int32_t)FXSYS_ceil((FX_FLOAT)start_y * scaleY); - } - if (out_range_y > 0) { - m_clipBox.bottom -= (int32_t)FXSYS_floor((FX_FLOAT)out_range_y * scaleY); - } - } - if (m_clipBox.IsEmpty()) { - return FXCODEC_STATUS_ERR_PARAMS; - } - switch (m_imagType) { - case FXCODEC_IMAGE_JPG: { - ICodec_JpegModule* pJpegModule = m_pCodecMgr->GetJpegModule(); - int down_scale = 1; - GetDownScale(down_scale); - FX_BOOL bStart = pJpegModule->StartScanline(m_pJpegContext, down_scale); - while (!bStart) { - FXCODEC_STATUS error_status = FXCODEC_STATUS_ERROR; - if (!JpegReadMoreData(pJpegModule, error_status)) { - m_pDeviceBitmap = NULL; - m_pFile = NULL; - return m_status = error_status; - } - bStart = pJpegModule->StartScanline(m_pJpegContext, down_scale); - } - int scanline_size = (m_SrcWidth + down_scale - 1) / down_scale; - scanline_size = (scanline_size * m_SrcComponents + 3) / 4 * 4; - FX_Free(m_pDecodeBuf); - m_pDecodeBuf = FX_Alloc(uint8_t, scanline_size); - FXSYS_memset(m_pDecodeBuf, 0, scanline_size); - m_WeightHorz.Calc(m_sizeX, 0, m_sizeX, m_clipBox.Width(), 0, - m_clipBox.Width(), m_bInterpol); - m_WeightVert.Calc(m_sizeY, m_clipBox.Height()); - switch (m_SrcComponents) { - case 1: - m_SrcFormat = FXCodec_8bppGray; - break; - case 3: - m_SrcFormat = FXCodec_Rgb; - break; - case 4: - m_SrcFormat = FXCodec_Cmyk; - break; - } - GetTransMethod(pDIBitmap->GetFormat(), m_SrcFormat); - return m_status = FXCODEC_STATUS_DECODE_TOBECONTINUE; - } break; - case FXCODEC_IMAGE_PNG: { - ICodec_PngModule* pPngModule = m_pCodecMgr->GetPngModule(); - if (pPngModule == NULL) { - m_pDeviceBitmap = NULL; - m_pFile = NULL; - return m_status = FXCODEC_STATUS_ERR_MEMORY; - } - if (m_pPngContext) { - pPngModule->Finish(m_pPngContext); - m_pPngContext = NULL; - } - m_pPngContext = pPngModule->Start((void*)this); - if (m_pPngContext == NULL) { - m_pDeviceBitmap = NULL; - m_pFile = NULL; - return m_status = FXCODEC_STATUS_ERR_MEMORY; - } - m_offSet = 0; - switch (m_pDeviceBitmap->GetFormat()) { - case FXDIB_8bppMask: - case FXDIB_8bppRgb: - m_SrcComponents = 1; - m_SrcFormat = FXCodec_8bppGray; - break; - case FXDIB_Rgb: - m_SrcComponents = 3; - m_SrcFormat = FXCodec_Rgb; - break; - case FXDIB_Rgb32: - case FXDIB_Argb: - m_SrcComponents = 4; - m_SrcFormat = FXCodec_Argb; - break; - default: { - m_pDeviceBitmap = NULL; - m_pFile = NULL; - return m_status = FXCODEC_STATUS_ERR_PARAMS; - } - } - GetTransMethod(m_pDeviceBitmap->GetFormat(), m_SrcFormat); - int scanline_size = (m_SrcWidth * m_SrcComponents + 3) / 4 * 4; - FX_Free(m_pDecodeBuf); - m_pDecodeBuf = FX_Alloc(uint8_t, scanline_size); - FXSYS_memset(m_pDecodeBuf, 0, scanline_size); - m_WeightHorzOO.Calc(m_sizeX, m_clipBox.Width(), m_bInterpol); - m_WeightVert.Calc(m_sizeY, m_clipBox.Height()); - return m_status = FXCODEC_STATUS_DECODE_TOBECONTINUE; - } break; - case FXCODEC_IMAGE_GIF: { - ICodec_GifModule* pGifModule = m_pCodecMgr->GetGifModule(); - if (pGifModule == NULL) { - m_pDeviceBitmap = NULL; - m_pFile = NULL; - return m_status = FXCODEC_STATUS_ERR_MEMORY; - } - m_SrcFormat = FXCodec_8bppRgb; - GetTransMethod(m_pDeviceBitmap->GetFormat(), m_SrcFormat); - int scanline_size = (m_SrcWidth + 3) / 4 * 4; - FX_Free(m_pDecodeBuf); - m_pDecodeBuf = FX_Alloc(uint8_t, scanline_size); - FXSYS_memset(m_pDecodeBuf, 0, scanline_size); - m_WeightHorz.Calc(m_sizeX, 0, m_sizeX, m_clipBox.Width(), 0, - m_clipBox.Width(), m_bInterpol); - m_WeightVert.Calc(m_sizeY, m_clipBox.Height()); - m_FrameCur = frames; - return m_status = FXCODEC_STATUS_DECODE_TOBECONTINUE; - } break; - case FXCODEC_IMAGE_BMP: { - ICodec_BmpModule* pBmpModule = m_pCodecMgr->GetBmpModule(); - if (pBmpModule == NULL) { - m_pDeviceBitmap = NULL; - m_pFile = NULL; - return m_status = FXCODEC_STATUS_ERR_MEMORY; - } - switch (m_SrcComponents) { - case 1: - m_SrcFormat = FXCodec_8bppRgb; - break; - case 3: - m_SrcFormat = FXCodec_Rgb; - break; - case 4: - m_SrcFormat = FXCodec_Rgb32; - break; - } - GetTransMethod(m_pDeviceBitmap->GetFormat(), m_SrcFormat); - m_ScanlineSize = (m_SrcWidth * m_SrcComponents + 3) / 4 * 4; - FX_Free(m_pDecodeBuf); - m_pDecodeBuf = FX_Alloc(uint8_t, m_ScanlineSize); - FXSYS_memset(m_pDecodeBuf, 0, m_ScanlineSize); - m_WeightHorz.Calc(m_sizeX, 0, m_sizeX, m_clipBox.Width(), 0, - m_clipBox.Width(), m_bInterpol); - m_WeightVert.Calc(m_sizeY, m_clipBox.Height()); - return m_status = FXCODEC_STATUS_DECODE_TOBECONTINUE; - } break; - case FXCODEC_IMAGE_TIF: - return m_status = FXCODEC_STATUS_DECODE_TOBECONTINUE; - default: - break; - } - return FXCODEC_STATUS_ERROR; -} -FXCODEC_STATUS CCodec_ProgressiveDecoder::ContinueDecode(IFX_Pause* pPause) { - if (m_status != FXCODEC_STATUS_DECODE_TOBECONTINUE) { - return FXCODEC_STATUS_ERROR; - } - switch (m_imagType) { - case FXCODEC_IMAGE_JPG: { - ICodec_JpegModule* pJpegModule = m_pCodecMgr->GetJpegModule(); - while (TRUE) { - FX_BOOL readRes = - pJpegModule->ReadScanline(m_pJpegContext, m_pDecodeBuf); - while (!readRes) { - FXCODEC_STATUS error_status = FXCODEC_STATUS_DECODE_FINISH; - if (!JpegReadMoreData(pJpegModule, error_status)) { - m_pDeviceBitmap = NULL; - m_pFile = NULL; - return m_status = error_status; - } - readRes = pJpegModule->ReadScanline(m_pJpegContext, m_pDecodeBuf); - } - if (m_SrcFormat == FXCodec_Rgb) { - int src_Bpp = (m_SrcFormat & 0xff) >> 3; - _RGB2BGR(m_pDecodeBuf + m_clipBox.left * src_Bpp, m_clipBox.Width()); - } - if (m_SrcRow >= m_clipBox.bottom) { - m_pDeviceBitmap = NULL; - m_pFile = NULL; - return m_status = FXCODEC_STATUS_DECODE_FINISH; - } - Resample(m_pDeviceBitmap, m_SrcRow, m_pDecodeBuf, m_SrcFormat); - m_SrcRow++; - if (pPause && pPause->NeedToPauseNow()) { - return m_status = FXCODEC_STATUS_DECODE_TOBECONTINUE; - } - } - } break; - case FXCODEC_IMAGE_PNG: { - ICodec_PngModule* pPngModule = m_pCodecMgr->GetPngModule(); - while (TRUE) { - FX_DWORD remain_size = (FX_DWORD)m_pFile->GetSize() - m_offSet; - FX_DWORD input_size = - remain_size > FXCODEC_BLOCK_SIZE ? FXCODEC_BLOCK_SIZE : remain_size; - if (input_size == 0) { - if (m_pPngContext) { - pPngModule->Finish(m_pPngContext); - } - m_pPngContext = NULL; - m_pDeviceBitmap = NULL; - m_pFile = NULL; - return m_status = FXCODEC_STATUS_DECODE_FINISH; - } - if (m_pSrcBuf && input_size > m_SrcSize) { - FX_Free(m_pSrcBuf); - m_pSrcBuf = FX_Alloc(uint8_t, input_size); - FXSYS_memset(m_pSrcBuf, 0, input_size); - m_SrcSize = input_size; - } - FX_BOOL bResult = m_pFile->ReadBlock(m_pSrcBuf, m_offSet, input_size); - if (!bResult) { - m_pDeviceBitmap = NULL; - m_pFile = NULL; - return m_status = FXCODEC_STATUS_ERR_READ; - } - m_offSet += input_size; - bResult = - pPngModule->Input(m_pPngContext, m_pSrcBuf, input_size, nullptr); - if (!bResult) { - m_pDeviceBitmap = NULL; - m_pFile = NULL; - return m_status = FXCODEC_STATUS_ERROR; - } - if (pPause && pPause->NeedToPauseNow()) { - return m_status = FXCODEC_STATUS_DECODE_TOBECONTINUE; - } - } - } break; - case FXCODEC_IMAGE_GIF: { - ICodec_GifModule* pGifModule = m_pCodecMgr->GetGifModule(); - while (TRUE) { - int32_t readRes = - pGifModule->LoadFrame(m_pGifContext, m_FrameCur, nullptr); - while (readRes == 2) { - FXCODEC_STATUS error_status = FXCODEC_STATUS_DECODE_FINISH; - if (!GifReadMoreData(pGifModule, error_status)) { - m_pDeviceBitmap = NULL; - m_pFile = NULL; - return m_status = error_status; - } - if (pPause && pPause->NeedToPauseNow()) { - return m_status = FXCODEC_STATUS_DECODE_TOBECONTINUE; - } - readRes = pGifModule->LoadFrame(m_pGifContext, m_FrameCur, nullptr); - } - if (readRes == 1) { - m_pDeviceBitmap = NULL; - m_pFile = NULL; - return m_status = FXCODEC_STATUS_DECODE_FINISH; - } - m_pDeviceBitmap = NULL; - m_pFile = NULL; - return m_status = FXCODEC_STATUS_ERROR; - } - } break; - case FXCODEC_IMAGE_BMP: { - ICodec_BmpModule* pBmpModule = m_pCodecMgr->GetBmpModule(); - while (TRUE) { - int32_t readRes = pBmpModule->LoadImage(m_pBmpContext); - while (readRes == 2) { - FXCODEC_STATUS error_status = FXCODEC_STATUS_DECODE_FINISH; - if (!BmpReadMoreData(pBmpModule, error_status)) { - m_pDeviceBitmap = NULL; - m_pFile = NULL; - return m_status = error_status; - } - if (pPause && pPause->NeedToPauseNow()) { - return m_status = FXCODEC_STATUS_DECODE_TOBECONTINUE; - } - readRes = pBmpModule->LoadImage(m_pBmpContext); - } - if (readRes == 1) { - m_pDeviceBitmap = NULL; - m_pFile = NULL; - return m_status = FXCODEC_STATUS_DECODE_FINISH; - } - m_pDeviceBitmap = NULL; - m_pFile = NULL; - return m_status = FXCODEC_STATUS_ERROR; - } - } break; - case FXCODEC_IMAGE_TIF: { - ICodec_TiffModule* pTiffModule = m_pCodecMgr->GetTiffModule(); - FX_BOOL ret = FALSE; - if (m_pDeviceBitmap->GetBPP() == 32 && - m_pDeviceBitmap->GetWidth() == m_SrcWidth && m_SrcWidth == m_sizeX && - m_pDeviceBitmap->GetHeight() == m_SrcHeight && - m_SrcHeight == m_sizeY && m_startX == 0 && m_startY == 0 && - m_clipBox.left == 0 && m_clipBox.top == 0 && - m_clipBox.right == m_SrcWidth && m_clipBox.bottom == m_SrcHeight) { - ret = pTiffModule->Decode(m_pTiffContext, m_pDeviceBitmap); - m_pDeviceBitmap = NULL; - m_pFile = NULL; - if (!ret) { - return m_status = FXCODEC_STATUS_ERROR; - } - return m_status = FXCODEC_STATUS_DECODE_FINISH; - } else { - CFX_DIBitmap* pDIBitmap = new CFX_DIBitmap; - pDIBitmap->Create(m_SrcWidth, m_SrcHeight, FXDIB_Argb); - if (pDIBitmap->GetBuffer() == NULL) { - delete pDIBitmap; - m_pDeviceBitmap = NULL; - m_pFile = NULL; - return m_status = FXCODEC_STATUS_ERR_MEMORY; - } - ret = pTiffModule->Decode(m_pTiffContext, pDIBitmap); - if (!ret) { - delete pDIBitmap; - m_pDeviceBitmap = NULL; - m_pFile = NULL; - return m_status = FXCODEC_STATUS_ERROR; - } - CFX_DIBitmap* pClipBitmap = - (m_clipBox.left == 0 && m_clipBox.top == 0 && - m_clipBox.right == m_SrcWidth && m_clipBox.bottom == m_SrcHeight) - ? pDIBitmap - : pDIBitmap->Clone(&m_clipBox); - if (pDIBitmap != pClipBitmap) { - delete pDIBitmap; - } - if (pClipBitmap == NULL) { - m_pDeviceBitmap = NULL; - m_pFile = NULL; - return m_status = FXCODEC_STATUS_ERR_MEMORY; - } - CFX_DIBitmap* pFormatBitmap = NULL; - switch (m_pDeviceBitmap->GetFormat()) { - case FXDIB_8bppRgb: - pFormatBitmap = new CFX_DIBitmap; - pFormatBitmap->Create(pClipBitmap->GetWidth(), - pClipBitmap->GetHeight(), FXDIB_8bppRgb); - break; - case FXDIB_8bppMask: - pFormatBitmap = new CFX_DIBitmap; - pFormatBitmap->Create(pClipBitmap->GetWidth(), - pClipBitmap->GetHeight(), FXDIB_8bppMask); - break; - case FXDIB_Rgb: - pFormatBitmap = new CFX_DIBitmap; - pFormatBitmap->Create(pClipBitmap->GetWidth(), - pClipBitmap->GetHeight(), FXDIB_Rgb); - break; - case FXDIB_Rgb32: - pFormatBitmap = new CFX_DIBitmap; - pFormatBitmap->Create(pClipBitmap->GetWidth(), - pClipBitmap->GetHeight(), FXDIB_Rgb32); - break; - case FXDIB_Argb: - pFormatBitmap = pClipBitmap; - break; - default: - break; - } - switch (m_pDeviceBitmap->GetFormat()) { - case FXDIB_8bppRgb: - case FXDIB_8bppMask: { - for (int32_t row = 0; row < pClipBitmap->GetHeight(); row++) { - uint8_t* src_line = (uint8_t*)pClipBitmap->GetScanline(row); - uint8_t* des_line = (uint8_t*)pFormatBitmap->GetScanline(row); - for (int32_t col = 0; col < pClipBitmap->GetWidth(); col++) { - uint8_t _a = 255 - src_line[3]; - uint8_t b = (src_line[0] * src_line[3] + 0xFF * _a) / 255; - uint8_t g = (src_line[1] * src_line[3] + 0xFF * _a) / 255; - uint8_t r = (src_line[2] * src_line[3] + 0xFF * _a) / 255; - *des_line++ = FXRGB2GRAY(r, g, b); - src_line += 4; - } - } - } break; - case FXDIB_Rgb: - case FXDIB_Rgb32: { - int32_t desBpp = - (m_pDeviceBitmap->GetFormat() == FXDIB_Rgb) ? 3 : 4; - for (int32_t row = 0; row < pClipBitmap->GetHeight(); row++) { - uint8_t* src_line = (uint8_t*)pClipBitmap->GetScanline(row); - uint8_t* des_line = (uint8_t*)pFormatBitmap->GetScanline(row); - for (int32_t col = 0; col < pClipBitmap->GetWidth(); col++) { - uint8_t _a = 255 - src_line[3]; - uint8_t b = (src_line[0] * src_line[3] + 0xFF * _a) / 255; - uint8_t g = (src_line[1] * src_line[3] + 0xFF * _a) / 255; - uint8_t r = (src_line[2] * src_line[3] + 0xFF * _a) / 255; - *des_line++ = b; - *des_line++ = g; - *des_line++ = r; - des_line += desBpp - 3; - src_line += 4; - } - } - } break; - default: - break; - } - if (pClipBitmap != pFormatBitmap) { - delete pClipBitmap; - } - if (pFormatBitmap == NULL) { - m_pDeviceBitmap = NULL; - m_pFile = NULL; - return m_status = FXCODEC_STATUS_ERR_MEMORY; - } - CFX_DIBitmap* pStrechBitmap = pFormatBitmap->StretchTo( - m_sizeX, m_sizeY, m_bInterpol ? FXDIB_INTERPOL : FXDIB_DOWNSAMPLE); - delete pFormatBitmap; - pFormatBitmap = NULL; - if (pStrechBitmap == NULL) { - m_pDeviceBitmap = NULL; - m_pFile = NULL; - return m_status = FXCODEC_STATUS_ERR_MEMORY; - } - m_pDeviceBitmap->TransferBitmap(m_startX, m_startY, m_sizeX, m_sizeY, - pStrechBitmap, 0, 0); - delete pStrechBitmap; - pStrechBitmap = NULL; - m_pDeviceBitmap = NULL; - m_pFile = NULL; - return m_status = FXCODEC_STATUS_DECODE_FINISH; - } - } break; - default: - break; - } - return FXCODEC_STATUS_ERROR; -} -ICodec_ProgressiveDecoder* CCodec_ModuleMgr::CreateProgressiveDecoder() { - return new CCodec_ProgressiveDecoder(this); -} diff --git a/core/src/fxcodec/codec/fx_codec_progress.h b/core/src/fxcodec/codec/fx_codec_progress.h deleted file mode 100644 index 4fb13640ff..0000000000 --- a/core/src/fxcodec/codec/fx_codec_progress.h +++ /dev/null @@ -1,213 +0,0 @@ -// 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_SRC_FXCODEC_CODEC_FX_CODEC_PROGRESS_H_ -#define CORE_SRC_FXCODEC_CODEC_FX_CODEC_PROGRESS_H_ - -#define FXCODEC_BLOCK_SIZE 4096 -#define FXCODEC_PNG_GAMMA 2.2 -#if _FX_OS_ == _FX_MACOSX_ || _FX_OS_ == _FX_IOS_ -#undef FXCODEC_PNG_GAMMA -#define FXCODEC_PNG_GAMMA 1.7 -#endif -struct PixelWeight { - int m_SrcStart; - int m_SrcEnd; - int m_Weights[1]; -}; -class CFXCODEC_WeightTable { - public: - CFXCODEC_WeightTable() { m_pWeightTables = NULL; } - ~CFXCODEC_WeightTable() { FX_Free(m_pWeightTables); } - - void Calc(int dest_len, - int dest_min, - int dest_max, - int src_len, - int src_min, - int src_max, - FX_BOOL bInterpol); - PixelWeight* GetPixelWeight(int pixel) { - return (PixelWeight*)(m_pWeightTables + (pixel - m_DestMin) * m_ItemSize); - } - - int m_DestMin, m_ItemSize; - uint8_t* m_pWeightTables; -}; -class CFXCODEC_HorzTable { - public: - CFXCODEC_HorzTable() { m_pWeightTables = NULL; } - ~CFXCODEC_HorzTable() { FX_Free(m_pWeightTables); } - - void Calc(int dest_len, int src_len, FX_BOOL bInterpol); - PixelWeight* GetPixelWeight(int pixel) { - return (PixelWeight*)(m_pWeightTables + pixel * m_ItemSize); - } - - int m_ItemSize; - uint8_t* m_pWeightTables; -}; -class CFXCODEC_VertTable { - public: - CFXCODEC_VertTable() { m_pWeightTables = NULL; } - ~CFXCODEC_VertTable() { FX_Free(m_pWeightTables); } - void Calc(int dest_len, int src_len); - PixelWeight* GetPixelWeight(int pixel) { - return (PixelWeight*)(m_pWeightTables + pixel * m_ItemSize); - } - int m_ItemSize; - uint8_t* m_pWeightTables; -}; -enum FXCodec_Format { - FXCodec_Invalid = 0, - FXCodec_1bppGray = 0x101, - FXCodec_1bppRgb = 0x001, - FXCodec_8bppGray = 0x108, - FXCodec_8bppRgb = 0x008, - FXCodec_Rgb = 0x018, - FXCodec_Rgb32 = 0x020, - FXCodec_Argb = 0x220, - FXCodec_Cmyk = 0x120 -}; -class CCodec_ProgressiveDecoder : public ICodec_ProgressiveDecoder { - public: - CCodec_ProgressiveDecoder(CCodec_ModuleMgr* pCodecMgr); - ~CCodec_ProgressiveDecoder() override; - - FXCODEC_STATUS LoadImageInfo(IFX_FileRead* pFile, - FXCODEC_IMAGE_TYPE imageType, - CFX_DIBAttribute* pAttribute) override; - - FXCODEC_IMAGE_TYPE GetType() const override { return m_imagType; } - int32_t GetWidth() const override { return m_SrcWidth; } - int32_t GetHeight() const override { return m_SrcHeight; } - int32_t GetNumComponents() const override { return m_SrcComponents; } - int32_t GetBPC() const override { return m_SrcBPC; } - void SetClipBox(FX_RECT* clip) override; - - FXCODEC_STATUS GetFrames(int32_t& frames, IFX_Pause* pPause) override; - FXCODEC_STATUS StartDecode(CFX_DIBitmap* pDIBitmap, - int start_x, - int start_y, - int size_x, - int size_y, - int32_t frames, - FX_BOOL bInterpol) override; - - FXCODEC_STATUS ContinueDecode(IFX_Pause* pPause) override; - - protected: - static FX_BOOL PngReadHeaderFunc(void* pModule, - int width, - int height, - int bpc, - int pass, - int* color_type, - double* gamma); - static FX_BOOL PngAskScanlineBufFunc(void* pModule, - int line, - uint8_t*& src_buf); - static void PngFillScanlineBufCompletedFunc(void* pModule, - int pass, - int line); - static void GifRecordCurrentPositionCallback(void* pModule, - FX_DWORD& cur_pos); - static uint8_t* GifAskLocalPaletteBufCallback(void* pModule, - int32_t frame_num, - int32_t pal_size); - static FX_BOOL GifInputRecordPositionBufCallback(void* pModule, - FX_DWORD rcd_pos, - const FX_RECT& img_rc, - int32_t pal_num, - void* pal_ptr, - int32_t delay_time, - FX_BOOL user_input, - int32_t trans_index, - int32_t disposal_method, - FX_BOOL interlace); - static void GifReadScanlineCallback(void* pModule, - int32_t row_num, - uint8_t* row_buf); - static FX_BOOL BmpInputImagePositionBufCallback(void* pModule, - FX_DWORD rcd_pos); - static void BmpReadScanlineCallback(void* pModule, - int32_t row_num, - uint8_t* row_buf); - - FX_BOOL DetectImageType(FXCODEC_IMAGE_TYPE imageType, - CFX_DIBAttribute* pAttribute); - void GetDownScale(int& down_scale); - void GetTransMethod(FXDIB_Format des_format, FXCodec_Format src_format); - void ReSampleScanline(CFX_DIBitmap* pDeviceBitmap, - int32_t des_line, - uint8_t* src_scan, - FXCodec_Format src_format); - void Resample(CFX_DIBitmap* pDeviceBitmap, - int32_t src_line, - uint8_t* src_scan, - FXCodec_Format src_format); - void ResampleVert(CFX_DIBitmap* pDeviceBitmap, double scale_y, int des_row); - FX_BOOL JpegReadMoreData(ICodec_JpegModule* pJpegModule, - FXCODEC_STATUS& err_status); - void PngOneOneMapResampleHorz(CFX_DIBitmap* pDeviceBitmap, - int32_t des_line, - uint8_t* src_scan, - FXCodec_Format src_format); - FX_BOOL GifReadMoreData(ICodec_GifModule* pGifModule, - FXCODEC_STATUS& err_status); - void GifDoubleLineResampleVert(CFX_DIBitmap* pDeviceBitmap, - double scale_y, - int des_row); - FX_BOOL BmpReadMoreData(ICodec_BmpModule* pBmpModule, - FXCODEC_STATUS& err_status); - void ResampleVertBT(CFX_DIBitmap* pDeviceBitmap, double scale_y, int des_row); - - public: - IFX_FileRead* m_pFile; - CCodec_ModuleMgr* m_pCodecMgr; - void* m_pJpegContext; - void* m_pPngContext; - void* m_pGifContext; - void* m_pBmpContext; - void* m_pTiffContext; - FXCODEC_IMAGE_TYPE m_imagType; - FX_DWORD m_offSet; - uint8_t* m_pSrcBuf; - FX_DWORD m_SrcSize; - uint8_t* m_pDecodeBuf; - int m_ScanlineSize; - CFX_DIBitmap* m_pDeviceBitmap; - FX_BOOL m_bInterpol; - CFXCODEC_WeightTable m_WeightHorz; - CFXCODEC_VertTable m_WeightVert; - CFXCODEC_HorzTable m_WeightHorzOO; - int m_SrcWidth; - int m_SrcHeight; - int m_SrcComponents; - int m_SrcBPC; - FX_RECT m_clipBox; - int m_startX; - int m_startY; - int m_sizeX; - int m_sizeY; - int m_TransMethod; - FX_ARGB* m_pSrcPalette; - int m_SrcPaletteNumber; - int m_SrcRow; - FXCodec_Format m_SrcFormat; - int m_SrcPassNumber; - int m_FrameNumber; - int m_FrameCur; - int m_GifBgIndex; - uint8_t* m_pGifPalette; - int32_t m_GifPltNumber; - int m_GifTransIndex; - FX_RECT m_GifFrameRect; - FX_BOOL m_BmpIsTopBottom; - FXCODEC_STATUS m_status; -}; - -#endif // CORE_SRC_FXCODEC_CODEC_FX_CODEC_PROGRESS_H_ diff --git a/core/src/fxcodec/codec/fx_codec_tiff.cpp b/core/src/fxcodec/codec/fx_codec_tiff.cpp deleted file mode 100644 index 38c2af6287..0000000000 --- a/core/src/fxcodec/codec/fx_codec_tiff.cpp +++ /dev/null @@ -1,544 +0,0 @@ -// 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 "core/include/fxcodec/fx_codec.h" -#include "core/include/fxge/fx_dib.h" -#include "core/src/fxcodec/codec/codec_int.h" - -extern "C" { -#include "third_party/libtiff/tiffiop.h" -} - -void* IccLib_CreateTransform_sRGB(const unsigned char* pProfileData, - unsigned int dwProfileSize, - int nComponents, - int intent, - FX_DWORD dwSrcFormat = Icc_FORMAT_DEFAULT); -void IccLib_TranslateImage(void* pTransform, - unsigned char* pDest, - const unsigned char* pSrc, - int pixels); -void IccLib_DestroyTransform(void* pTransform); -class CCodec_TiffContext { - public: - CCodec_TiffContext(); - ~CCodec_TiffContext(); - - FX_BOOL InitDecoder(IFX_FileRead* file_ptr); - void GetFrames(int32_t& frames); - FX_BOOL LoadFrameInfo(int32_t frame, - FX_DWORD& width, - FX_DWORD& height, - FX_DWORD& comps, - FX_DWORD& bpc, - CFX_DIBAttribute* pAttribute); - FX_BOOL Decode(CFX_DIBitmap* pDIBitmap); - - union { - IFX_FileRead* in; - IFX_FileStream* out; - } io; - - FX_DWORD offset; - - TIFF* tif_ctx; - void* icc_ctx; - int32_t frame_num; - int32_t frame_cur; - FX_BOOL isDecoder; - - private: - FX_BOOL isSupport(CFX_DIBitmap* pDIBitmap); - void SetPalette(CFX_DIBitmap* pDIBitmap, uint16_t bps); - FX_BOOL Decode1bppRGB(CFX_DIBitmap* pDIBitmap, - int32_t height, - int32_t width, - uint16_t bps, - uint16_t spp); - FX_BOOL Decode8bppRGB(CFX_DIBitmap* pDIBitmap, - int32_t height, - int32_t width, - uint16_t bps, - uint16_t spp); - FX_BOOL Decode24bppRGB(CFX_DIBitmap* pDIBitmap, - int32_t height, - int32_t width, - uint16_t bps, - uint16_t spp); -}; -CCodec_TiffContext::CCodec_TiffContext() { - offset = 0; - frame_num = 0; - frame_cur = 0; - io.in = NULL; - tif_ctx = NULL; - icc_ctx = NULL; - isDecoder = TRUE; -} -CCodec_TiffContext::~CCodec_TiffContext() { - if (icc_ctx) { - IccLib_DestroyTransform(icc_ctx); - icc_ctx = NULL; - } - if (tif_ctx) { - TIFFClose(tif_ctx); - } -} -static tsize_t _tiff_read(thandle_t context, tdata_t buf, tsize_t length) { - CCodec_TiffContext* pTiffContext = (CCodec_TiffContext*)context; - FX_BOOL ret = FALSE; - if (pTiffContext->isDecoder) { - ret = pTiffContext->io.in->ReadBlock(buf, pTiffContext->offset, length); - } else { - ret = pTiffContext->io.out->ReadBlock(buf, pTiffContext->offset, length); - } - if (!ret) { - return 0; - } - pTiffContext->offset += (FX_DWORD)length; - return length; -} -static tsize_t _tiff_write(thandle_t context, tdata_t buf, tsize_t length) { - CCodec_TiffContext* pTiffContext = (CCodec_TiffContext*)context; - ASSERT(!pTiffContext->isDecoder); - if (!pTiffContext->io.out->WriteBlock(buf, pTiffContext->offset, length)) { - return 0; - } - pTiffContext->offset += (FX_DWORD)length; - return length; -} -static toff_t _tiff_seek(thandle_t context, toff_t offset, int whence) { - CCodec_TiffContext* pTiffContext = (CCodec_TiffContext*)context; - switch (whence) { - case 0: - pTiffContext->offset = (FX_DWORD)offset; - break; - case 1: - pTiffContext->offset += (FX_DWORD)offset; - break; - case 2: - if (pTiffContext->isDecoder) { - if (pTiffContext->io.in->GetSize() < (FX_FILESIZE)offset) { - return -1; - } - pTiffContext->offset = - (FX_DWORD)(pTiffContext->io.in->GetSize() - offset); - } else { - if (pTiffContext->io.out->GetSize() < (FX_FILESIZE)offset) { - return -1; - } - pTiffContext->offset = - (FX_DWORD)(pTiffContext->io.out->GetSize() - offset); - } - break; - default: - return -1; - } - ASSERT(pTiffContext->isDecoder ? (pTiffContext->offset <= - (FX_DWORD)pTiffContext->io.in->GetSize()) - : TRUE); - return pTiffContext->offset; -} -static int _tiff_close(thandle_t context) { - return 0; -} -static toff_t _tiff_get_size(thandle_t context) { - CCodec_TiffContext* pTiffContext = (CCodec_TiffContext*)context; - return pTiffContext->isDecoder ? (toff_t)pTiffContext->io.in->GetSize() - : (toff_t)pTiffContext->io.out->GetSize(); -} -static int _tiff_map(thandle_t context, tdata_t*, toff_t*) { - return 0; -} -static void _tiff_unmap(thandle_t context, tdata_t, toff_t) {} -TIFF* _tiff_open(void* context, const char* mode) { - TIFF* tif = TIFFClientOpen("Tiff Image", mode, (thandle_t)context, _tiff_read, - _tiff_write, _tiff_seek, _tiff_close, - _tiff_get_size, _tiff_map, _tiff_unmap); - if (tif) { - tif->tif_fd = (int)(intptr_t)context; - } - return tif; -} -void* _TIFFmalloc(tmsize_t size) { - return FXMEM_DefaultAlloc(size, 0); -} -void _TIFFfree(void* ptr) { - FXMEM_DefaultFree(ptr, 0); -} -void* _TIFFrealloc(void* ptr, tmsize_t size) { - return FXMEM_DefaultRealloc(ptr, size, 0); -} -void _TIFFmemset(void* ptr, int val, tmsize_t size) { - FXSYS_memset(ptr, val, (size_t)size); -} -void _TIFFmemcpy(void* des, const void* src, tmsize_t size) { - FXSYS_memcpy(des, src, (size_t)size); -} -int _TIFFmemcmp(const void* ptr1, const void* ptr2, tmsize_t size) { - return FXSYS_memcmp(ptr1, ptr2, (size_t)size); -} - -TIFFErrorHandler _TIFFwarningHandler = nullptr; -TIFFErrorHandler _TIFFerrorHandler = nullptr; - -int TIFFCmyk2Rgb(thandle_t context, - uint8 c, - uint8 m, - uint8 y, - uint8 k, - uint8* r, - uint8* g, - uint8* b) { - if (context == NULL) { - return 0; - } - CCodec_TiffContext* p = (CCodec_TiffContext*)context; - if (p->icc_ctx) { - unsigned char cmyk[4], bgr[3]; - cmyk[0] = c, cmyk[1] = m, cmyk[2] = y, cmyk[3] = k; - IccLib_TranslateImage(p->icc_ctx, bgr, cmyk, 1); - *r = bgr[2], *g = bgr[1], *b = bgr[0]; - } else { - AdobeCMYK_to_sRGB1(c, m, y, k, *r, *g, *b); - } - return 1; -} -FX_BOOL CCodec_TiffContext::InitDecoder(IFX_FileRead* file_ptr) { - io.in = file_ptr; - tif_ctx = _tiff_open(this, "r"); - if (tif_ctx == NULL) { - return FALSE; - } - return TRUE; -} -void CCodec_TiffContext::GetFrames(int32_t& frames) { - frames = frame_num = TIFFNumberOfDirectories(tif_ctx); -} -#define TIFF_EXIF_GETINFO(key, T, tag) \ - { \ - T val = (T)0; \ - TIFFGetField(tif_ctx, tag, &val); \ - if (val) { \ - (key) = FX_Alloc(uint8_t, sizeof(T)); \ - if ((key)) { \ - T* ptr = (T*)(key); \ - *ptr = val; \ - pExif->m_TagVal.SetAt(tag, (key)); \ - } \ - } \ - } \ - (key) = NULL; -#define TIFF_EXIF_GETSTRINGINFO(key, tag) \ - { \ - FX_DWORD size = 0; \ - uint8_t* buf = NULL; \ - TIFFGetField(tif_ctx, tag, &size, &buf); \ - if (size && buf) { \ - (key) = FX_Alloc(uint8_t, size); \ - if ((key)) { \ - FXSYS_memcpy((key), buf, size); \ - pExif->m_TagVal.SetAt(tag, (key)); \ - } \ - } \ - } \ - (key) = NULL; - -namespace { - -template <class T> -FX_BOOL Tiff_Exif_GetInfo(TIFF* tif_ctx, ttag_t tag, CFX_DIBAttribute* pAttr) { - T val = 0; - TIFFGetField(tif_ctx, tag, &val); - if (!val) - return FALSE; - T* ptr = FX_Alloc(T, 1); - *ptr = val; - pAttr->m_Exif[tag] = (void*)ptr; - return TRUE; -} -void Tiff_Exif_GetStringInfo(TIFF* tif_ctx, - ttag_t tag, - CFX_DIBAttribute* pAttr) { - FX_CHAR* buf = nullptr; - TIFFGetField(tif_ctx, tag, &buf); - if (!buf) - return; - FX_STRSIZE size = FXSYS_strlen(buf); - uint8_t* ptr = FX_Alloc(uint8_t, size + 1); - FXSYS_memcpy(ptr, buf, size); - ptr[size] = 0; - pAttr->m_Exif[tag] = ptr; -} - -} // namespace - -FX_BOOL CCodec_TiffContext::LoadFrameInfo(int32_t frame, - FX_DWORD& width, - FX_DWORD& height, - FX_DWORD& comps, - FX_DWORD& bpc, - CFX_DIBAttribute* pAttribute) { - if (!TIFFSetDirectory(tif_ctx, (uint16)frame)) { - return FALSE; - } - FX_WORD tif_cs; - FX_DWORD tif_icc_size = 0; - uint8_t* tif_icc_buf = NULL; - FX_WORD tif_bpc = 0; - FX_WORD tif_cps; - FX_DWORD tif_rps; - width = height = comps = 0; - TIFFGetField(tif_ctx, TIFFTAG_IMAGEWIDTH, &width); - TIFFGetField(tif_ctx, TIFFTAG_IMAGELENGTH, &height); - TIFFGetField(tif_ctx, TIFFTAG_SAMPLESPERPIXEL, &comps); - TIFFGetField(tif_ctx, TIFFTAG_BITSPERSAMPLE, &tif_bpc); - TIFFGetField(tif_ctx, TIFFTAG_PHOTOMETRIC, &tif_cs); - TIFFGetField(tif_ctx, TIFFTAG_COMPRESSION, &tif_cps); - TIFFGetField(tif_ctx, TIFFTAG_ROWSPERSTRIP, &tif_rps); - TIFFGetField(tif_ctx, TIFFTAG_ICCPROFILE, &tif_icc_size, &tif_icc_buf); - if (pAttribute) { - pAttribute->m_wDPIUnit = FXCODEC_RESUNIT_INCH; - if (TIFFGetField(tif_ctx, TIFFTAG_RESOLUTIONUNIT, - &pAttribute->m_wDPIUnit)) { - pAttribute->m_wDPIUnit -= 1; - } - Tiff_Exif_GetInfo<FX_WORD>(tif_ctx, TIFFTAG_ORIENTATION, pAttribute); - if (Tiff_Exif_GetInfo<FX_FLOAT>(tif_ctx, TIFFTAG_XRESOLUTION, pAttribute)) { - void* val = pAttribute->m_Exif[TIFFTAG_XRESOLUTION]; - FX_FLOAT fDpi = val ? *reinterpret_cast<FX_FLOAT*>(val) : 0; - pAttribute->m_nXDPI = (int32_t)(fDpi + 0.5f); - } - if (Tiff_Exif_GetInfo<FX_FLOAT>(tif_ctx, TIFFTAG_YRESOLUTION, pAttribute)) { - void* val = pAttribute->m_Exif[TIFFTAG_YRESOLUTION]; - FX_FLOAT fDpi = val ? *reinterpret_cast<FX_FLOAT*>(val) : 0; - pAttribute->m_nYDPI = (int32_t)(fDpi + 0.5f); - } - Tiff_Exif_GetStringInfo(tif_ctx, TIFFTAG_IMAGEDESCRIPTION, pAttribute); - Tiff_Exif_GetStringInfo(tif_ctx, TIFFTAG_MAKE, pAttribute); - Tiff_Exif_GetStringInfo(tif_ctx, TIFFTAG_MODEL, pAttribute); - } - bpc = tif_bpc; - if (tif_rps > height) { - TIFFSetField(tif_ctx, TIFFTAG_ROWSPERSTRIP, tif_rps = height); - } - return TRUE; -} -void _TiffBGRA2RGBA(uint8_t* pBuf, int32_t pixel, int32_t spp) { - for (int32_t n = 0; n < pixel; n++) { - uint8_t tmp = pBuf[0]; - pBuf[0] = pBuf[2]; - pBuf[2] = tmp; - pBuf += spp; - } -} -FX_BOOL CCodec_TiffContext::isSupport(CFX_DIBitmap* pDIBitmap) { - if (TIFFIsTiled(tif_ctx)) { - return FALSE; - } - uint16_t photometric; - if (!TIFFGetField(tif_ctx, TIFFTAG_PHOTOMETRIC, &photometric)) { - return FALSE; - } - switch (pDIBitmap->GetBPP()) { - case 1: - case 8: - if (photometric != PHOTOMETRIC_PALETTE) { - return FALSE; - } - break; - case 24: - if (photometric != PHOTOMETRIC_RGB) { - return FALSE; - } - break; - default: - return FALSE; - } - uint16_t planarconfig; - if (!TIFFGetFieldDefaulted(tif_ctx, TIFFTAG_PLANARCONFIG, &planarconfig)) { - return FALSE; - } - if (planarconfig == PLANARCONFIG_SEPARATE) { - return FALSE; - } - return TRUE; -} -void CCodec_TiffContext::SetPalette(CFX_DIBitmap* pDIBitmap, uint16_t bps) { - uint16_t *red_orig, *green_orig, *blue_orig; - TIFFGetField(tif_ctx, TIFFTAG_COLORMAP, &red_orig, &green_orig, &blue_orig); - for (int32_t i = (1L << bps) - 1; i >= 0; i--) { -#define CVT(x) ((uint16_t)((x) >> 8)) - red_orig[i] = CVT(red_orig[i]); - green_orig[i] = CVT(green_orig[i]); - blue_orig[i] = CVT(blue_orig[i]); -#undef CVT - } - int32_t len = 1 << bps; - for (int32_t index = 0; index < len; index++) { - FX_DWORD r = red_orig[index] & 0xFF; - FX_DWORD g = green_orig[index] & 0xFF; - FX_DWORD b = blue_orig[index] & 0xFF; - FX_DWORD color = (uint32_t)b | ((uint32_t)g << 8) | ((uint32_t)r << 16) | - (((uint32)0xffL) << 24); - pDIBitmap->SetPaletteEntry(index, color); - } -} -FX_BOOL CCodec_TiffContext::Decode1bppRGB(CFX_DIBitmap* pDIBitmap, - int32_t height, - int32_t width, - uint16_t bps, - uint16_t spp) { - if (pDIBitmap->GetBPP() != 1 || spp != 1 || bps != 1 || - !isSupport(pDIBitmap)) { - return FALSE; - } - SetPalette(pDIBitmap, bps); - int32_t size = (int32_t)TIFFScanlineSize(tif_ctx); - uint8_t* buf = (uint8_t*)_TIFFmalloc(size); - if (buf == NULL) { - TIFFError(TIFFFileName(tif_ctx), "No space for scanline buffer"); - return FALSE; - } - uint8_t* bitMapbuffer = (uint8_t*)pDIBitmap->GetBuffer(); - FX_DWORD pitch = pDIBitmap->GetPitch(); - for (int32_t row = 0; row < height; row++) { - TIFFReadScanline(tif_ctx, buf, row, 0); - for (int32_t j = 0; j < size; j++) { - bitMapbuffer[row * pitch + j] = buf[j]; - } - } - _TIFFfree(buf); - return TRUE; -} -FX_BOOL CCodec_TiffContext::Decode8bppRGB(CFX_DIBitmap* pDIBitmap, - int32_t height, - int32_t width, - uint16_t bps, - uint16_t spp) { - if (pDIBitmap->GetBPP() != 8 || spp != 1 || (bps != 4 && bps != 8) || - !isSupport(pDIBitmap)) { - return FALSE; - } - SetPalette(pDIBitmap, bps); - int32_t size = (int32_t)TIFFScanlineSize(tif_ctx); - uint8_t* buf = (uint8_t*)_TIFFmalloc(size); - if (buf == NULL) { - TIFFError(TIFFFileName(tif_ctx), "No space for scanline buffer"); - return FALSE; - } - uint8_t* bitMapbuffer = (uint8_t*)pDIBitmap->GetBuffer(); - FX_DWORD pitch = pDIBitmap->GetPitch(); - for (int32_t row = 0; row < height; row++) { - TIFFReadScanline(tif_ctx, buf, row, 0); - for (int32_t j = 0; j < size; j++) { - switch (bps) { - case 4: - bitMapbuffer[row * pitch + 2 * j + 0] = (buf[j] & 0xF0) >> 4; - bitMapbuffer[row * pitch + 2 * j + 1] = (buf[j] & 0x0F) >> 0; - break; - case 8: - bitMapbuffer[row * pitch + j] = buf[j]; - break; - } - } - } - _TIFFfree(buf); - return TRUE; -} -FX_BOOL CCodec_TiffContext::Decode24bppRGB(CFX_DIBitmap* pDIBitmap, - int32_t height, - int32_t width, - uint16_t bps, - uint16_t spp) { - if (pDIBitmap->GetBPP() != 24 || !isSupport(pDIBitmap)) { - return FALSE; - } - int32_t size = (int32_t)TIFFScanlineSize(tif_ctx); - uint8_t* buf = (uint8_t*)_TIFFmalloc(size); - if (buf == NULL) { - TIFFError(TIFFFileName(tif_ctx), "No space for scanline buffer"); - return FALSE; - } - uint8_t* bitMapbuffer = (uint8_t*)pDIBitmap->GetBuffer(); - FX_DWORD pitch = pDIBitmap->GetPitch(); - for (int32_t row = 0; row < height; row++) { - TIFFReadScanline(tif_ctx, buf, row, 0); - for (int32_t j = 0; j < size - 2; j += 3) { - bitMapbuffer[row * pitch + j + 0] = buf[j + 2]; - bitMapbuffer[row * pitch + j + 1] = buf[j + 1]; - bitMapbuffer[row * pitch + j + 2] = buf[j + 0]; - } - } - _TIFFfree(buf); - return TRUE; -} -FX_BOOL CCodec_TiffContext::Decode(CFX_DIBitmap* pDIBitmap) { - FX_DWORD img_wid = pDIBitmap->GetWidth(); - FX_DWORD img_hei = pDIBitmap->GetHeight(); - FX_DWORD width = 0; - FX_DWORD height = 0; - TIFFGetField(tif_ctx, TIFFTAG_IMAGEWIDTH, &width); - TIFFGetField(tif_ctx, TIFFTAG_IMAGELENGTH, &height); - if (img_wid != width || img_hei != height) { - return FALSE; - } - if (pDIBitmap->GetBPP() == 32) { - FX_WORD rotation = ORIENTATION_TOPLEFT; - TIFFGetField(tif_ctx, TIFFTAG_ORIENTATION, &rotation); - if (TIFFReadRGBAImageOriented(tif_ctx, img_wid, img_hei, - (uint32*)pDIBitmap->GetBuffer(), rotation, - 1)) { - for (FX_DWORD row = 0; row < img_hei; row++) { - uint8_t* row_buf = (uint8_t*)pDIBitmap->GetScanline(row); - _TiffBGRA2RGBA(row_buf, img_wid, 4); - } - return TRUE; - } - } - uint16_t spp, bps; - TIFFGetField(tif_ctx, TIFFTAG_SAMPLESPERPIXEL, &spp); - TIFFGetField(tif_ctx, TIFFTAG_BITSPERSAMPLE, &bps); - FX_DWORD bpp = bps * spp; - if (bpp == 1) { - return Decode1bppRGB(pDIBitmap, height, width, bps, spp); - } else if (bpp <= 8) { - return Decode8bppRGB(pDIBitmap, height, width, bps, spp); - } else if (bpp <= 24) { - return Decode24bppRGB(pDIBitmap, height, width, bps, spp); - } - return FALSE; -} -void* CCodec_TiffModule::CreateDecoder(IFX_FileRead* file_ptr) { - CCodec_TiffContext* pDecoder = new CCodec_TiffContext; - if (!pDecoder->InitDecoder(file_ptr)) { - delete pDecoder; - return NULL; - } - return pDecoder; -} -void CCodec_TiffModule::GetFrames(void* ctx, int32_t& frames) { - CCodec_TiffContext* pDecoder = (CCodec_TiffContext*)ctx; - pDecoder->GetFrames(frames); -} -FX_BOOL CCodec_TiffModule::LoadFrameInfo(void* ctx, - int32_t frame, - FX_DWORD& width, - FX_DWORD& height, - FX_DWORD& comps, - FX_DWORD& bpc, - CFX_DIBAttribute* pAttribute) { - CCodec_TiffContext* pDecoder = (CCodec_TiffContext*)ctx; - return pDecoder->LoadFrameInfo(frame, width, height, comps, bpc, pAttribute); -} -FX_BOOL CCodec_TiffModule::Decode(void* ctx, class CFX_DIBitmap* pDIBitmap) { - CCodec_TiffContext* pDecoder = (CCodec_TiffContext*)ctx; - return pDecoder->Decode(pDIBitmap); -} -void CCodec_TiffModule::DestroyDecoder(void* ctx) { - CCodec_TiffContext* pDecoder = (CCodec_TiffContext*)ctx; - delete pDecoder; -} diff --git a/core/src/fxcodec/jbig2/JBig2_ArithDecoder.cpp b/core/src/fxcodec/jbig2/JBig2_ArithDecoder.cpp deleted file mode 100644 index 9e32304f41..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_ArithDecoder.cpp +++ /dev/null @@ -1,152 +0,0 @@ -// 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 "core/src/fxcodec/jbig2/JBig2_ArithDecoder.h" - -#include "core/include/fxcrt/fx_basic.h" -#include "core/src/fxcodec/jbig2/JBig2_BitStream.h" - -namespace { - -struct JBig2ArithQe { - unsigned int Qe; - unsigned int NMPS; - unsigned int NLPS; - unsigned int nSwitch; -}; - -const JBig2ArithQe kQeTable[] = { - // Stupid hack to keep clang-format from reformatting this badly. - {0x5601, 1, 1, 1}, - {0x3401, 2, 6, 0}, - {0x1801, 3, 9, 0}, - {0x0AC1, 4, 12, 0}, - {0x0521, 5, 29, 0}, - {0x0221, 38, 33, 0}, - {0x5601, 7, 6, 1}, - {0x5401, 8, 14, 0}, - {0x4801, 9, 14, 0}, - {0x3801, 10, 14, 0}, - {0x3001, 11, 17, 0}, - {0x2401, 12, 18, 0}, - {0x1C01, 13, 20, 0}, - {0x1601, 29, 21, 0}, - {0x5601, 15, 14, 1}, - {0x5401, 16, 14, 0}, - {0x5101, 17, 15, 0}, - {0x4801, 18, 16, 0}, - {0x3801, 19, 17, 0}, - {0x3401, 20, 18, 0}, - {0x3001, 21, 19, 0}, - {0x2801, 22, 19, 0}, - {0x2401, 23, 20, 0}, - {0x2201, 24, 21, 0}, - {0x1C01, 25, 22, 0}, - {0x1801, 26, 23, 0}, - {0x1601, 27, 24, 0}, - {0x1401, 28, 25, 0}, - {0x1201, 29, 26, 0}, - {0x1101, 30, 27, 0}, - {0x0AC1, 31, 28, 0}, - {0x09C1, 32, 29, 0}, - {0x08A1, 33, 30, 0}, - {0x0521, 34, 31, 0}, - {0x0441, 35, 32, 0}, - {0x02A1, 36, 33, 0}, - {0x0221, 37, 34, 0}, - {0x0141, 38, 35, 0}, - {0x0111, 39, 36, 0}, - {0x0085, 40, 37, 0}, - {0x0049, 41, 38, 0}, - {0x0025, 42, 39, 0}, - {0x0015, 43, 40, 0}, - {0x0009, 44, 41, 0}, - {0x0005, 45, 42, 0}, - {0x0001, 45, 43, 0}, - {0x5601, 46, 46, 0}}; - -const unsigned int kDefaultAValue = 0x8000; - -int DecodeNMPS(JBig2ArithCtx* pCX, const JBig2ArithQe& qe) { - pCX->I = qe.NMPS; - return pCX->MPS; -} - -int DecodeNLPS(JBig2ArithCtx* pCX, const JBig2ArithQe& qe) { - // TODO(thestig): |D|, |MPS| and friends probably should be booleans. - int D = 1 - pCX->MPS; - if (qe.nSwitch == 1) - pCX->MPS = 1 - pCX->MPS; - pCX->I = qe.NLPS; - return D; -} - -} // namespace - -CJBig2_ArithDecoder::CJBig2_ArithDecoder(CJBig2_BitStream* pStream) - : m_pStream(pStream) { - m_B = m_pStream->getCurByte_arith(); - m_C = (m_B ^ 0xff) << 16; - BYTEIN(); - m_C = m_C << 7; - m_CT = m_CT - 7; - m_A = kDefaultAValue; -} - -CJBig2_ArithDecoder::~CJBig2_ArithDecoder() { -} - -int CJBig2_ArithDecoder::DECODE(JBig2ArithCtx* pCX) { - if (!pCX || pCX->I >= FX_ArraySize(kQeTable)) - return 0; - - const JBig2ArithQe& qe = kQeTable[pCX->I]; - m_A -= qe.Qe; - if ((m_C >> 16) < m_A) { - if (m_A & kDefaultAValue) - return pCX->MPS; - - const int D = m_A < qe.Qe ? DecodeNLPS(pCX, qe) : DecodeNMPS(pCX, qe); - ReadValueA(); - return D; - } - - m_C -= m_A << 16; - const int D = m_A < qe.Qe ? DecodeNMPS(pCX, qe) : DecodeNLPS(pCX, qe); - m_A = qe.Qe; - ReadValueA(); - return D; -} - -void CJBig2_ArithDecoder::BYTEIN() { - unsigned char B1; - if (m_B == 0xff) { - B1 = m_pStream->getNextByte_arith(); - if (B1 > 0x8f) { - m_CT = 8; - } else { - m_pStream->incByteIdx(); - m_B = B1; - m_C = m_C + 0xfe00 - (m_B << 9); - m_CT = 7; - } - } else { - m_pStream->incByteIdx(); - m_B = m_pStream->getCurByte_arith(); - m_C = m_C + 0xff00 - (m_B << 8); - m_CT = 8; - } -} - -void CJBig2_ArithDecoder::ReadValueA() { - do { - if (m_CT == 0) - BYTEIN(); - m_A <<= 1; - m_C <<= 1; - --m_CT; - } while ((m_A & kDefaultAValue) == 0); -} diff --git a/core/src/fxcodec/jbig2/JBig2_ArithDecoder.h b/core/src/fxcodec/jbig2/JBig2_ArithDecoder.h deleted file mode 100644 index 3cb95acd95..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_ArithDecoder.h +++ /dev/null @@ -1,38 +0,0 @@ -// 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_SRC_FXCODEC_JBIG2_JBIG2_ARITHDECODER_H_ -#define CORE_SRC_FXCODEC_JBIG2_JBIG2_ARITHDECODER_H_ - -class CJBig2_BitStream; - -struct JBig2ArithCtx { - JBig2ArithCtx() : MPS(0), I(0) {} - - unsigned int MPS; - unsigned int I; -}; - -class CJBig2_ArithDecoder { - public: - explicit CJBig2_ArithDecoder(CJBig2_BitStream* pStream); - - ~CJBig2_ArithDecoder(); - - int DECODE(JBig2ArithCtx* pCX); - - private: - void BYTEIN(); - void ReadValueA(); - - unsigned char m_B; - unsigned int m_C; - unsigned int m_A; - unsigned int m_CT; - CJBig2_BitStream* const m_pStream; -}; - -#endif // CORE_SRC_FXCODEC_JBIG2_JBIG2_ARITHDECODER_H_ diff --git a/core/src/fxcodec/jbig2/JBig2_ArithIntDecoder.cpp b/core/src/fxcodec/jbig2/JBig2_ArithIntDecoder.cpp deleted file mode 100644 index 2fac8df5a9..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_ArithIntDecoder.cpp +++ /dev/null @@ -1,99 +0,0 @@ -// 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 "core/src/fxcodec/jbig2/JBig2_ArithIntDecoder.h" - -#include <vector> - -#include "core/include/fxcrt/fx_basic.h" - -namespace { - -int ShiftOr(int val, int bitwise_or_val) { - return (val << 1) | bitwise_or_val; -} - -const struct ArithIntDecodeData { - int nNeedBits; - int nValue; -} g_ArithIntDecodeData[] = { - {2, 0}, - {4, 4}, - {6, 20}, - {8, 84}, - {12, 340}, - {32, 4436}, -}; - -size_t RecursiveDecode(CJBig2_ArithDecoder* decoder, - std::vector<JBig2ArithCtx>* context, - int* prev, - size_t depth) { - static const size_t kDepthEnd = FX_ArraySize(g_ArithIntDecodeData) - 1; - if (depth == kDepthEnd) - return kDepthEnd; - - JBig2ArithCtx* pCX = &(*context)[*prev]; - int D = decoder->DECODE(pCX); - *prev = ShiftOr(*prev, D); - if (!D) - return depth; - return RecursiveDecode(decoder, context, prev, depth + 1); -} - -} // namespace - -CJBig2_ArithIntDecoder::CJBig2_ArithIntDecoder() { - m_IAx.resize(512); -} - -CJBig2_ArithIntDecoder::~CJBig2_ArithIntDecoder() { -} - -bool CJBig2_ArithIntDecoder::decode(CJBig2_ArithDecoder* pArithDecoder, - int* nResult) { - int PREV = 1; - const int S = pArithDecoder->DECODE(&m_IAx[PREV]); - PREV = ShiftOr(PREV, S); - - const size_t nDecodeDataIndex = - RecursiveDecode(pArithDecoder, &m_IAx, &PREV, 0); - - int nTemp = 0; - for (int i = 0; i < g_ArithIntDecodeData[nDecodeDataIndex].nNeedBits; ++i) { - int D = pArithDecoder->DECODE(&m_IAx[PREV]); - PREV = ShiftOr(PREV, D); - if (PREV >= 256) - PREV = (PREV & 511) | 256; - nTemp = ShiftOr(nTemp, D); - } - int nValue = g_ArithIntDecodeData[nDecodeDataIndex].nValue; - nValue += nTemp; - if (S == 1 && nValue > 0) - nValue = -nValue; - - *nResult = nValue; - return S != 1 || nValue != 0; -} - -CJBig2_ArithIaidDecoder::CJBig2_ArithIaidDecoder(unsigned char SBSYMCODELENA) - : SBSYMCODELEN(SBSYMCODELENA) { - m_IAID.resize(1 << SBSYMCODELEN); -} - -CJBig2_ArithIaidDecoder::~CJBig2_ArithIaidDecoder() { -} - -void CJBig2_ArithIaidDecoder::decode(CJBig2_ArithDecoder* pArithDecoder, - FX_DWORD* nResult) { - int PREV = 1; - for (unsigned char i = 0; i < SBSYMCODELEN; ++i) { - JBig2ArithCtx* pCX = &m_IAID[PREV]; - int D = pArithDecoder->DECODE(pCX); - PREV = ShiftOr(PREV, D); - } - *nResult = PREV - (1 << SBSYMCODELEN); -} diff --git a/core/src/fxcodec/jbig2/JBig2_ArithIntDecoder.h b/core/src/fxcodec/jbig2/JBig2_ArithIntDecoder.h deleted file mode 100644 index 4909ce48f8..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_ArithIntDecoder.h +++ /dev/null @@ -1,41 +0,0 @@ -// 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_SRC_FXCODEC_JBIG2_JBIG2_ARITHINTDECODER_H_ -#define CORE_SRC_FXCODEC_JBIG2_JBIG2_ARITHINTDECODER_H_ - -#include <vector> - -#include "core/include/fxcrt/fx_system.h" -#include "core/src/fxcodec/jbig2/JBig2_ArithDecoder.h" - -class CJBig2_ArithIntDecoder { - public: - CJBig2_ArithIntDecoder(); - ~CJBig2_ArithIntDecoder(); - - // Returns true on success, and false when an OOB condition occurs. Many - // callers can tolerate OOB and do not check the return value. - bool decode(CJBig2_ArithDecoder* pArithDecoder, int* nResult); - - private: - std::vector<JBig2ArithCtx> m_IAx; -}; - -class CJBig2_ArithIaidDecoder { - public: - explicit CJBig2_ArithIaidDecoder(unsigned char SBSYMCODELENA); - ~CJBig2_ArithIaidDecoder(); - - void decode(CJBig2_ArithDecoder* pArithDecoder, FX_DWORD* nResult); - - private: - std::vector<JBig2ArithCtx> m_IAID; - - const unsigned char SBSYMCODELEN; -}; - -#endif // CORE_SRC_FXCODEC_JBIG2_JBIG2_ARITHINTDECODER_H_ diff --git a/core/src/fxcodec/jbig2/JBig2_BitStream.cpp b/core/src/fxcodec/jbig2/JBig2_BitStream.cpp deleted file mode 100644 index 1fe7a26aa8..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_BitStream.cpp +++ /dev/null @@ -1,189 +0,0 @@ -// Copyright 2015 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 "core/src/fxcodec/jbig2/JBig2_BitStream.h" - -#include <algorithm> - -#include "core/include/fpdfapi/cpdf_stream.h" - -CJBig2_BitStream::CJBig2_BitStream(CPDF_StreamAcc* pSrcStream) - : m_pBuf(pSrcStream->GetData()), - m_dwLength(pSrcStream->GetSize()), - m_dwByteIdx(0), - m_dwBitIdx(0), - m_dwObjNum(pSrcStream->GetStream() ? pSrcStream->GetStream()->GetObjNum() - : 0) { - if (m_dwLength > 256 * 1024 * 1024) { - m_dwLength = 0; - m_pBuf = nullptr; - } -} - -CJBig2_BitStream::~CJBig2_BitStream() { -} - -int32_t CJBig2_BitStream::readNBits(FX_DWORD dwBits, FX_DWORD* dwResult) { - FX_DWORD dwBitPos = getBitPos(); - if (dwBitPos > LengthInBits()) - return -1; - - *dwResult = 0; - if (dwBitPos + dwBits <= LengthInBits()) - dwBitPos = dwBits; - else - dwBitPos = LengthInBits() - dwBitPos; - - for (; dwBitPos > 0; --dwBitPos) { - *dwResult = - (*dwResult << 1) | ((m_pBuf[m_dwByteIdx] >> (7 - m_dwBitIdx)) & 0x01); - AdvanceBit(); - } - return 0; -} - -int32_t CJBig2_BitStream::readNBits(FX_DWORD dwBits, int32_t* nResult) { - FX_DWORD dwBitPos = getBitPos(); - if (dwBitPos > LengthInBits()) - return -1; - - *nResult = 0; - if (dwBitPos + dwBits <= LengthInBits()) - dwBitPos = dwBits; - else - dwBitPos = LengthInBits() - dwBitPos; - - for (; dwBitPos > 0; --dwBitPos) { - *nResult = - (*nResult << 1) | ((m_pBuf[m_dwByteIdx] >> (7 - m_dwBitIdx)) & 0x01); - AdvanceBit(); - } - return 0; -} - -int32_t CJBig2_BitStream::read1Bit(FX_DWORD* dwResult) { - if (!IsInBound()) - return -1; - - *dwResult = (m_pBuf[m_dwByteIdx] >> (7 - m_dwBitIdx)) & 0x01; - AdvanceBit(); - return 0; -} - -int32_t CJBig2_BitStream::read1Bit(FX_BOOL* bResult) { - if (!IsInBound()) - return -1; - - *bResult = (m_pBuf[m_dwByteIdx] >> (7 - m_dwBitIdx)) & 0x01; - AdvanceBit(); - return 0; -} - -int32_t CJBig2_BitStream::read1Byte(uint8_t* cResult) { - if (!IsInBound()) - return -1; - - *cResult = m_pBuf[m_dwByteIdx]; - ++m_dwByteIdx; - return 0; -} - -int32_t CJBig2_BitStream::readInteger(FX_DWORD* dwResult) { - if (m_dwByteIdx + 3 >= m_dwLength) - return -1; - - *dwResult = (m_pBuf[m_dwByteIdx] << 24) | (m_pBuf[m_dwByteIdx + 1] << 16) | - (m_pBuf[m_dwByteIdx + 2] << 8) | m_pBuf[m_dwByteIdx + 3]; - m_dwByteIdx += 4; - return 0; -} - -int32_t CJBig2_BitStream::readShortInteger(FX_WORD* dwResult) { - if (m_dwByteIdx + 1 >= m_dwLength) - return -1; - - *dwResult = (m_pBuf[m_dwByteIdx] << 8) | m_pBuf[m_dwByteIdx + 1]; - m_dwByteIdx += 2; - return 0; -} - -void CJBig2_BitStream::alignByte() { - if (m_dwBitIdx != 0) { - ++m_dwByteIdx; - m_dwBitIdx = 0; - } -} - -uint8_t CJBig2_BitStream::getCurByte() const { - return IsInBound() ? m_pBuf[m_dwByteIdx] : 0; -} - -void CJBig2_BitStream::incByteIdx() { - if (IsInBound()) - ++m_dwByteIdx; -} - -uint8_t CJBig2_BitStream::getCurByte_arith() const { - return IsInBound() ? m_pBuf[m_dwByteIdx] : 0xFF; -} - -uint8_t CJBig2_BitStream::getNextByte_arith() const { - return m_dwByteIdx + 1 < m_dwLength ? m_pBuf[m_dwByteIdx + 1] : 0xFF; -} - -FX_DWORD CJBig2_BitStream::getOffset() const { - return m_dwByteIdx; -} - -void CJBig2_BitStream::setOffset(FX_DWORD dwOffset) { - m_dwByteIdx = std::min(dwOffset, m_dwLength); -} - -FX_DWORD CJBig2_BitStream::getBitPos() const { - return (m_dwByteIdx << 3) + m_dwBitIdx; -} - -void CJBig2_BitStream::setBitPos(FX_DWORD dwBitPos) { - m_dwByteIdx = dwBitPos >> 3; - m_dwBitIdx = dwBitPos & 7; -} - -const uint8_t* CJBig2_BitStream::getBuf() const { - return m_pBuf; -} - -const uint8_t* CJBig2_BitStream::getPointer() const { - return m_pBuf + m_dwByteIdx; -} - -void CJBig2_BitStream::offset(FX_DWORD dwOffset) { - m_dwByteIdx += dwOffset; -} - -FX_DWORD CJBig2_BitStream::getByteLeft() const { - return m_dwLength - m_dwByteIdx; -} - -void CJBig2_BitStream::AdvanceBit() { - if (m_dwBitIdx == 7) { - ++m_dwByteIdx; - m_dwBitIdx = 0; - } else { - ++m_dwBitIdx; - } -} - -bool CJBig2_BitStream::IsInBound() const { - return m_dwByteIdx < m_dwLength; -} - -FX_DWORD CJBig2_BitStream::LengthInBits() const { - return m_dwLength << 3; -} - -FX_DWORD CJBig2_BitStream::getObjNum() const { - return m_dwObjNum; -} diff --git a/core/src/fxcodec/jbig2/JBig2_BitStream.h b/core/src/fxcodec/jbig2/JBig2_BitStream.h deleted file mode 100644 index fc9aa8a5c4..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_BitStream.h +++ /dev/null @@ -1,58 +0,0 @@ -// 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_SRC_FXCODEC_JBIG2_JBIG2_BITSTREAM_H_ -#define CORE_SRC_FXCODEC_JBIG2_JBIG2_BITSTREAM_H_ - -#include "core/include/fxcrt/fx_basic.h" - -class CPDF_StreamAcc; - -class CJBig2_BitStream { - public: - explicit CJBig2_BitStream(CPDF_StreamAcc* pSrcStream); - ~CJBig2_BitStream(); - - // TODO(thestig): readFoo() should return bool. - int32_t readNBits(FX_DWORD nBits, FX_DWORD* dwResult); - int32_t readNBits(FX_DWORD nBits, int32_t* nResult); - int32_t read1Bit(FX_DWORD* dwResult); - int32_t read1Bit(FX_BOOL* bResult); - int32_t read1Byte(uint8_t* cResult); - int32_t readInteger(FX_DWORD* dwResult); - int32_t readShortInteger(FX_WORD* wResult); - void alignByte(); - uint8_t getCurByte() const; - void incByteIdx(); - uint8_t getCurByte_arith() const; - uint8_t getNextByte_arith() const; - FX_DWORD getOffset() const; - void setOffset(FX_DWORD dwOffset); - FX_DWORD getBitPos() const; - void setBitPos(FX_DWORD dwBitPos); - const uint8_t* getBuf() const; - FX_DWORD getLength() const { return m_dwLength; } - const uint8_t* getPointer() const; - void offset(FX_DWORD dwOffset); - FX_DWORD getByteLeft() const; - FX_DWORD getObjNum() const; - - private: - void AdvanceBit(); - bool IsInBound() const; - FX_DWORD LengthInBits() const; - - const uint8_t* m_pBuf; - FX_DWORD m_dwLength; - FX_DWORD m_dwByteIdx; - FX_DWORD m_dwBitIdx; - const FX_DWORD m_dwObjNum; - - CJBig2_BitStream(const CJBig2_BitStream&) = delete; - void operator=(const CJBig2_BitStream&) = delete; -}; - -#endif // CORE_SRC_FXCODEC_JBIG2_JBIG2_BITSTREAM_H_ diff --git a/core/src/fxcodec/jbig2/JBig2_Context.cpp b/core/src/fxcodec/jbig2/JBig2_Context.cpp deleted file mode 100644 index 9279971b46..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_Context.cpp +++ /dev/null @@ -1,1439 +0,0 @@ -// 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 "core/src/fxcodec/jbig2/JBig2_Context.h" - -#include <algorithm> -#include <list> -#include <utility> -#include <vector> - -#include "core/include/fpdfapi/cpdf_stream.h" -#include "core/src/fxcodec/jbig2/JBig2_ArithDecoder.h" -#include "core/src/fxcodec/jbig2/JBig2_BitStream.h" -#include "core/src/fxcodec/jbig2/JBig2_GrdProc.h" -#include "core/src/fxcodec/jbig2/JBig2_GrrdProc.h" -#include "core/src/fxcodec/jbig2/JBig2_HtrdProc.h" -#include "core/src/fxcodec/jbig2/JBig2_HuffmanTable_Standard.h" -#include "core/src/fxcodec/jbig2/JBig2_PddProc.h" -#include "core/src/fxcodec/jbig2/JBig2_SddProc.h" -#include "core/src/fxcodec/jbig2/JBig2_TrdProc.h" -#include "third_party/base/stl_util.h" - -namespace { - -size_t GetHuffContextSize(uint8_t val) { - return val == 0 ? 65536 : val == 1 ? 8192 : 1024; -} - -size_t GetRefAggContextSize(FX_BOOL val) { - return val ? 1024 : 8192; -} - -} // namespace - -// Implement a very small least recently used (LRU) cache. It is very -// common for a JBIG2 dictionary to span multiple pages in a PDF file, -// and we do not want to decode the same dictionary over and over -// again. We key off of the memory location of the dictionary. The -// list keeps track of the freshness of entries, with freshest ones -// at the front. Even a tiny cache size like 2 makes a dramatic -// difference for typical JBIG2 documents. -static const int kSymbolDictCacheMaxSize = 2; - -CJBig2_Context* CJBig2_Context::CreateContext( - CPDF_StreamAcc* pGlobalStream, - CPDF_StreamAcc* pSrcStream, - std::list<CJBig2_CachePair>* pSymbolDictCache, - IFX_Pause* pPause) { - return new CJBig2_Context(pGlobalStream, pSrcStream, pSymbolDictCache, pPause, - false); -} - -void CJBig2_Context::DestroyContext(CJBig2_Context* pContext) { - delete pContext; -} - -CJBig2_Context::CJBig2_Context(CPDF_StreamAcc* pGlobalStream, - CPDF_StreamAcc* pSrcStream, - std::list<CJBig2_CachePair>* pSymbolDictCache, - IFX_Pause* pPause, - bool bIsGlobal) - : m_nSegmentDecoded(0), - m_bInPage(false), - m_bBufSpecified(false), - m_PauseStep(10), - m_pPause(pPause), - m_ProcessingStatus(FXCODEC_STATUS_FRAME_READY), - m_gbContext(NULL), - m_dwOffset(0), - m_pSymbolDictCache(pSymbolDictCache), - m_bIsGlobal(bIsGlobal) { - if (pGlobalStream && (pGlobalStream->GetSize() > 0)) { - m_pGlobalContext = new CJBig2_Context(nullptr, pGlobalStream, - pSymbolDictCache, pPause, true); - } else { - m_pGlobalContext = nullptr; - } - - m_pStream.reset(new CJBig2_BitStream(pSrcStream)); -} - -CJBig2_Context::~CJBig2_Context() { - FX_Free(m_gbContext); - m_gbContext = NULL; - delete m_pGlobalContext; - m_pGlobalContext = NULL; -} - -int32_t CJBig2_Context::decode_SquentialOrgnazation(IFX_Pause* pPause) { - int32_t nRet; - if (m_pStream->getByteLeft() <= 0) - return JBIG2_END_OF_FILE; - - while (m_pStream->getByteLeft() >= JBIG2_MIN_SEGMENT_SIZE) { - if (!m_pSegment) { - m_pSegment.reset(new CJBig2_Segment); - nRet = parseSegmentHeader(m_pSegment.get()); - if (nRet != JBIG2_SUCCESS) { - m_pSegment.reset(); - return nRet; - } - m_dwOffset = m_pStream->getOffset(); - } - nRet = parseSegmentData(m_pSegment.get(), pPause); - if (m_ProcessingStatus == FXCODEC_STATUS_DECODE_TOBECONTINUE) { - m_ProcessingStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; - m_PauseStep = 2; - return JBIG2_SUCCESS; - } - if (nRet == JBIG2_END_OF_PAGE || nRet == JBIG2_END_OF_FILE) { - m_pSegment.reset(); - return JBIG2_SUCCESS; - } - if (nRet != JBIG2_SUCCESS) { - m_pSegment.reset(); - return nRet; - } - if (m_pSegment->m_dwData_length != 0xffffffff) { - m_dwOffset += m_pSegment->m_dwData_length; - m_pStream->setOffset(m_dwOffset); - } else { - m_pStream->offset(4); - } - m_SegmentList.push_back(m_pSegment.release()); - if (m_pStream->getByteLeft() > 0 && m_pPage && pPause && - pPause->NeedToPauseNow()) { - m_ProcessingStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; - m_PauseStep = 2; - return JBIG2_SUCCESS; - } - } - return JBIG2_SUCCESS; -} -int32_t CJBig2_Context::decode_EmbedOrgnazation(IFX_Pause* pPause) { - return decode_SquentialOrgnazation(pPause); -} -int32_t CJBig2_Context::decode_RandomOrgnazation_FirstPage(IFX_Pause* pPause) { - int32_t nRet; - while (m_pStream->getByteLeft() > JBIG2_MIN_SEGMENT_SIZE) { - std::unique_ptr<CJBig2_Segment> pSegment(new CJBig2_Segment); - nRet = parseSegmentHeader(pSegment.get()); - if (nRet != JBIG2_SUCCESS) { - return nRet; - } else if (pSegment->m_cFlags.s.type == 51) { - break; - } - m_SegmentList.push_back(pSegment.release()); - if (pPause && m_pPause && pPause->NeedToPauseNow()) { - m_PauseStep = 3; - m_ProcessingStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; - return JBIG2_SUCCESS; - } - } - m_nSegmentDecoded = 0; - return decode_RandomOrgnazation(pPause); -} -int32_t CJBig2_Context::decode_RandomOrgnazation(IFX_Pause* pPause) { - for (; m_nSegmentDecoded < m_SegmentList.size(); ++m_nSegmentDecoded) { - int32_t nRet = - parseSegmentData(m_SegmentList.get(m_nSegmentDecoded), pPause); - if (nRet == JBIG2_END_OF_PAGE || nRet == JBIG2_END_OF_FILE) - return JBIG2_SUCCESS; - - if (nRet != JBIG2_SUCCESS) - return nRet; - - if (m_pPage && pPause && pPause->NeedToPauseNow()) { - m_PauseStep = 4; - m_ProcessingStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; - return JBIG2_SUCCESS; - } - } - return JBIG2_SUCCESS; -} -int32_t CJBig2_Context::getFirstPage(uint8_t* pBuf, - int32_t width, - int32_t height, - int32_t stride, - IFX_Pause* pPause) { - int32_t nRet = 0; - if (m_pGlobalContext) { - nRet = m_pGlobalContext->decode_EmbedOrgnazation(pPause); - if (nRet != JBIG2_SUCCESS) { - m_ProcessingStatus = FXCODEC_STATUS_ERROR; - return nRet; - } - } - m_PauseStep = 0; - m_pPage.reset(new CJBig2_Image(width, height, stride, pBuf)); - m_bBufSpecified = true; - if (pPause && pPause->NeedToPauseNow()) { - m_PauseStep = 1; - m_ProcessingStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; - return nRet; - } - return Continue(pPause); -} -int32_t CJBig2_Context::Continue(IFX_Pause* pPause) { - m_ProcessingStatus = FXCODEC_STATUS_DECODE_READY; - int32_t nRet; - if (m_PauseStep <= 1) { - nRet = decode_EmbedOrgnazation(pPause); - } else if (m_PauseStep == 2) { - nRet = decode_SquentialOrgnazation(pPause); - } else if (m_PauseStep == 3) { - nRet = decode_RandomOrgnazation_FirstPage(pPause); - } else if (m_PauseStep == 4) { - nRet = decode_RandomOrgnazation(pPause); - } else if (m_PauseStep == 5) { - m_ProcessingStatus = FXCODEC_STATUS_DECODE_FINISH; - return JBIG2_SUCCESS; - } - if (m_ProcessingStatus == FXCODEC_STATUS_DECODE_TOBECONTINUE) { - return nRet; - } - m_PauseStep = 5; - if (!m_bBufSpecified && nRet == JBIG2_SUCCESS) { - m_ProcessingStatus = FXCODEC_STATUS_DECODE_FINISH; - return JBIG2_SUCCESS; - } - if (nRet == JBIG2_SUCCESS) { - m_ProcessingStatus = FXCODEC_STATUS_DECODE_FINISH; - } else { - m_ProcessingStatus = FXCODEC_STATUS_ERROR; - } - return nRet; -} - -CJBig2_Segment* CJBig2_Context::findSegmentByNumber(FX_DWORD dwNumber) { - if (m_pGlobalContext) { - CJBig2_Segment* pSeg = m_pGlobalContext->findSegmentByNumber(dwNumber); - if (pSeg) { - return pSeg; - } - } - for (size_t i = 0; i < m_SegmentList.size(); ++i) { - CJBig2_Segment* pSeg = m_SegmentList.get(i); - if (pSeg->m_dwNumber == dwNumber) { - return pSeg; - } - } - return nullptr; -} -CJBig2_Segment* CJBig2_Context::findReferredSegmentByTypeAndIndex( - CJBig2_Segment* pSegment, - uint8_t cType, - int32_t nIndex) { - int32_t count = 0; - for (int32_t i = 0; i < pSegment->m_nReferred_to_segment_count; ++i) { - CJBig2_Segment* pSeg = - findSegmentByNumber(pSegment->m_pReferred_to_segment_numbers[i]); - if (pSeg && pSeg->m_cFlags.s.type == cType) { - if (count == nIndex) - return pSeg; - ++count; - } - } - return NULL; -} -int32_t CJBig2_Context::parseSegmentHeader(CJBig2_Segment* pSegment) { - if (m_pStream->readInteger(&pSegment->m_dwNumber) != 0 || - m_pStream->read1Byte(&pSegment->m_cFlags.c) != 0) { - return JBIG2_ERROR_TOO_SHORT; - } - - FX_DWORD dwTemp; - uint8_t cTemp = m_pStream->getCurByte(); - if ((cTemp >> 5) == 7) { - if (m_pStream->readInteger( - (FX_DWORD*)&pSegment->m_nReferred_to_segment_count) != 0) { - return JBIG2_ERROR_TOO_SHORT; - } - pSegment->m_nReferred_to_segment_count &= 0x1fffffff; - if (pSegment->m_nReferred_to_segment_count > - JBIG2_MAX_REFERRED_SEGMENT_COUNT) { - return JBIG2_ERROR_LIMIT; - } - dwTemp = 5 + 4 + (pSegment->m_nReferred_to_segment_count + 1) / 8; - } else { - if (m_pStream->read1Byte(&cTemp) != 0) - return JBIG2_ERROR_TOO_SHORT; - - pSegment->m_nReferred_to_segment_count = cTemp >> 5; - dwTemp = 5 + 1; - } - uint8_t cSSize = - pSegment->m_dwNumber > 65536 ? 4 : pSegment->m_dwNumber > 256 ? 2 : 1; - uint8_t cPSize = pSegment->m_cFlags.s.page_association_size ? 4 : 1; - if (pSegment->m_nReferred_to_segment_count) { - pSegment->m_pReferred_to_segment_numbers = - FX_Alloc(FX_DWORD, pSegment->m_nReferred_to_segment_count); - for (int32_t i = 0; i < pSegment->m_nReferred_to_segment_count; ++i) { - switch (cSSize) { - case 1: - if (m_pStream->read1Byte(&cTemp) != 0) - return JBIG2_ERROR_TOO_SHORT; - - pSegment->m_pReferred_to_segment_numbers[i] = cTemp; - break; - case 2: - FX_WORD wTemp; - if (m_pStream->readShortInteger(&wTemp) != 0) - return JBIG2_ERROR_TOO_SHORT; - - pSegment->m_pReferred_to_segment_numbers[i] = wTemp; - break; - case 4: - if (m_pStream->readInteger(&dwTemp) != 0) - return JBIG2_ERROR_TOO_SHORT; - - pSegment->m_pReferred_to_segment_numbers[i] = dwTemp; - break; - } - if (pSegment->m_pReferred_to_segment_numbers[i] >= pSegment->m_dwNumber) - return JBIG2_ERROR_TOO_SHORT; - } - } - if (cPSize == 1) { - if (m_pStream->read1Byte(&cTemp) != 0) - return JBIG2_ERROR_TOO_SHORT; - pSegment->m_dwPage_association = cTemp; - } else { - if (m_pStream->readInteger(&pSegment->m_dwPage_association) != 0) { - return JBIG2_ERROR_TOO_SHORT; - } - } - if (m_pStream->readInteger(&pSegment->m_dwData_length) != 0) - return JBIG2_ERROR_TOO_SHORT; - - pSegment->m_dwObjNum = m_pStream->getObjNum(); - pSegment->m_dwDataOffset = m_pStream->getOffset(); - pSegment->m_State = JBIG2_SEGMENT_DATA_UNPARSED; - return JBIG2_SUCCESS; -} - -int32_t CJBig2_Context::parseSegmentData(CJBig2_Segment* pSegment, - IFX_Pause* pPause) { - int32_t ret = ProcessingParseSegmentData(pSegment, pPause); - while (m_ProcessingStatus == FXCODEC_STATUS_DECODE_TOBECONTINUE && - m_pStream->getByteLeft() > 0) { - ret = ProcessingParseSegmentData(pSegment, pPause); - } - return ret; -} - -int32_t CJBig2_Context::ProcessingParseSegmentData(CJBig2_Segment* pSegment, - IFX_Pause* pPause) { - switch (pSegment->m_cFlags.s.type) { - case 0: - return parseSymbolDict(pSegment, pPause); - case 4: - case 6: - case 7: - if (!m_bInPage) - return JBIG2_ERROR_FATAL; - return parseTextRegion(pSegment); - case 16: - return parsePatternDict(pSegment, pPause); - case 20: - case 22: - case 23: - if (!m_bInPage) - return JBIG2_ERROR_FATAL; - return parseHalftoneRegion(pSegment, pPause); - case 36: - case 38: - case 39: - if (!m_bInPage) - return JBIG2_ERROR_FATAL; - return parseGenericRegion(pSegment, pPause); - case 40: - case 42: - case 43: - if (!m_bInPage) - return JBIG2_ERROR_FATAL; - return parseGenericRefinementRegion(pSegment); - case 48: { - FX_WORD wTemp; - std::unique_ptr<JBig2PageInfo> pPageInfo(new JBig2PageInfo); - if (m_pStream->readInteger(&pPageInfo->m_dwWidth) != 0 || - m_pStream->readInteger(&pPageInfo->m_dwHeight) != 0 || - m_pStream->readInteger(&pPageInfo->m_dwResolutionX) != 0 || - m_pStream->readInteger(&pPageInfo->m_dwResolutionY) != 0 || - m_pStream->read1Byte(&pPageInfo->m_cFlags) != 0 || - m_pStream->readShortInteger(&wTemp) != 0) { - return JBIG2_ERROR_TOO_SHORT; - } - pPageInfo->m_bIsStriped = !!(wTemp & 0x8000); - pPageInfo->m_wMaxStripeSize = wTemp & 0x7fff; - bool bMaxHeight = (pPageInfo->m_dwHeight == 0xffffffff); - if (bMaxHeight && pPageInfo->m_bIsStriped != TRUE) - pPageInfo->m_bIsStriped = TRUE; - - if (!m_bBufSpecified) { - FX_DWORD height = - bMaxHeight ? pPageInfo->m_wMaxStripeSize : pPageInfo->m_dwHeight; - m_pPage.reset(new CJBig2_Image(pPageInfo->m_dwWidth, height)); - } - - if (!m_pPage->m_pData) { - m_ProcessingStatus = FXCODEC_STATUS_ERROR; - return JBIG2_ERROR_TOO_SHORT; - } - - m_pPage->fill((pPageInfo->m_cFlags & 4) ? 1 : 0); - m_PageInfoList.push_back(pPageInfo.release()); - m_bInPage = true; - } break; - case 49: - m_bInPage = false; - return JBIG2_END_OF_PAGE; - break; - case 50: - m_pStream->offset(pSegment->m_dwData_length); - break; - case 51: - return JBIG2_END_OF_FILE; - case 52: - m_pStream->offset(pSegment->m_dwData_length); - break; - case 53: - return parseTable(pSegment); - case 62: - m_pStream->offset(pSegment->m_dwData_length); - break; - default: - break; - } - return JBIG2_SUCCESS; -} - -int32_t CJBig2_Context::parseSymbolDict(CJBig2_Segment* pSegment, - IFX_Pause* pPause) { - FX_WORD wFlags; - if (m_pStream->readShortInteger(&wFlags) != 0) - return JBIG2_ERROR_TOO_SHORT; - - std::unique_ptr<CJBig2_SDDProc> pSymbolDictDecoder(new CJBig2_SDDProc); - pSymbolDictDecoder->SDHUFF = wFlags & 0x0001; - pSymbolDictDecoder->SDREFAGG = (wFlags >> 1) & 0x0001; - pSymbolDictDecoder->SDTEMPLATE = (wFlags >> 10) & 0x0003; - pSymbolDictDecoder->SDRTEMPLATE = (wFlags >> 12) & 0x0003; - uint8_t cSDHUFFDH = (wFlags >> 2) & 0x0003; - uint8_t cSDHUFFDW = (wFlags >> 4) & 0x0003; - uint8_t cSDHUFFBMSIZE = (wFlags >> 6) & 0x0001; - uint8_t cSDHUFFAGGINST = (wFlags >> 7) & 0x0001; - if (pSymbolDictDecoder->SDHUFF == 0) { - const FX_DWORD dwTemp = (pSymbolDictDecoder->SDTEMPLATE == 0) ? 8 : 2; - for (FX_DWORD i = 0; i < dwTemp; ++i) { - if (m_pStream->read1Byte((uint8_t*)&pSymbolDictDecoder->SDAT[i]) != 0) - return JBIG2_ERROR_TOO_SHORT; - } - } - if (pSymbolDictDecoder->SDREFAGG == 1 && - pSymbolDictDecoder->SDRTEMPLATE == 0) { - for (int32_t i = 0; i < 4; ++i) { - if (m_pStream->read1Byte((uint8_t*)&pSymbolDictDecoder->SDRAT[i]) != 0) - return JBIG2_ERROR_TOO_SHORT; - } - } - if (m_pStream->readInteger(&pSymbolDictDecoder->SDNUMEXSYMS) != 0 || - m_pStream->readInteger(&pSymbolDictDecoder->SDNUMNEWSYMS) != 0) { - return JBIG2_ERROR_TOO_SHORT; - } - if (pSymbolDictDecoder->SDNUMEXSYMS > JBIG2_MAX_EXPORT_SYSMBOLS || - pSymbolDictDecoder->SDNUMNEWSYMS > JBIG2_MAX_NEW_SYSMBOLS) { - return JBIG2_ERROR_LIMIT; - } - for (int32_t i = 0; i < pSegment->m_nReferred_to_segment_count; ++i) { - if (!findSegmentByNumber(pSegment->m_pReferred_to_segment_numbers[i])) - return JBIG2_ERROR_FATAL; - } - CJBig2_Segment* pLRSeg = nullptr; - pSymbolDictDecoder->SDNUMINSYMS = 0; - for (int32_t i = 0; i < pSegment->m_nReferred_to_segment_count; ++i) { - CJBig2_Segment* pSeg = - findSegmentByNumber(pSegment->m_pReferred_to_segment_numbers[i]); - if (pSeg->m_cFlags.s.type == 0) { - pSymbolDictDecoder->SDNUMINSYMS += pSeg->m_Result.sd->NumImages(); - pLRSeg = pSeg; - } - } - - std::unique_ptr<CJBig2_Image*, FxFreeDeleter> SDINSYMS; - if (pSymbolDictDecoder->SDNUMINSYMS != 0) { - SDINSYMS.reset(FX_Alloc(CJBig2_Image*, pSymbolDictDecoder->SDNUMINSYMS)); - FX_DWORD dwTemp = 0; - for (int32_t i = 0; i < pSegment->m_nReferred_to_segment_count; ++i) { - CJBig2_Segment* pSeg = - findSegmentByNumber(pSegment->m_pReferred_to_segment_numbers[i]); - if (pSeg->m_cFlags.s.type == 0) { - const CJBig2_SymbolDict& dict = *pSeg->m_Result.sd; - for (size_t j = 0; j < dict.NumImages(); ++j) - SDINSYMS.get()[dwTemp + j] = dict.GetImage(j); - dwTemp += dict.NumImages(); - } - } - } - pSymbolDictDecoder->SDINSYMS = SDINSYMS.get(); - - std::unique_ptr<CJBig2_HuffmanTable> Table_B1; - std::unique_ptr<CJBig2_HuffmanTable> Table_B2; - std::unique_ptr<CJBig2_HuffmanTable> Table_B3; - std::unique_ptr<CJBig2_HuffmanTable> Table_B4; - std::unique_ptr<CJBig2_HuffmanTable> Table_B5; - if (pSymbolDictDecoder->SDHUFF == 1) { - if (cSDHUFFDH == 2 || cSDHUFFDW == 2) - return JBIG2_ERROR_FATAL; - - int32_t nIndex = 0; - if (cSDHUFFDH == 0) { - Table_B4.reset(new CJBig2_HuffmanTable(HuffmanTable_B4, - FX_ArraySize(HuffmanTable_B4), - HuffmanTable_HTOOB_B4)); - pSymbolDictDecoder->SDHUFFDH = Table_B4.get(); - } else if (cSDHUFFDH == 1) { - Table_B5.reset(new CJBig2_HuffmanTable(HuffmanTable_B5, - FX_ArraySize(HuffmanTable_B5), - HuffmanTable_HTOOB_B5)); - pSymbolDictDecoder->SDHUFFDH = Table_B5.get(); - } else { - CJBig2_Segment* pSeg = - findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++); - if (!pSeg) - return JBIG2_ERROR_FATAL; - pSymbolDictDecoder->SDHUFFDH = pSeg->m_Result.ht; - } - if (cSDHUFFDW == 0) { - Table_B2.reset(new CJBig2_HuffmanTable(HuffmanTable_B2, - FX_ArraySize(HuffmanTable_B2), - HuffmanTable_HTOOB_B2)); - pSymbolDictDecoder->SDHUFFDW = Table_B2.get(); - } else if (cSDHUFFDW == 1) { - Table_B3.reset(new CJBig2_HuffmanTable(HuffmanTable_B3, - FX_ArraySize(HuffmanTable_B3), - HuffmanTable_HTOOB_B3)); - pSymbolDictDecoder->SDHUFFDW = Table_B3.get(); - } else { - CJBig2_Segment* pSeg = - findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++); - if (!pSeg) - return JBIG2_ERROR_FATAL; - pSymbolDictDecoder->SDHUFFDW = pSeg->m_Result.ht; - } - if (cSDHUFFBMSIZE == 0) { - Table_B1.reset(new CJBig2_HuffmanTable(HuffmanTable_B1, - FX_ArraySize(HuffmanTable_B1), - HuffmanTable_HTOOB_B1)); - pSymbolDictDecoder->SDHUFFBMSIZE = Table_B1.get(); - } else { - CJBig2_Segment* pSeg = - findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++); - if (!pSeg) - return JBIG2_ERROR_FATAL; - pSymbolDictDecoder->SDHUFFBMSIZE = pSeg->m_Result.ht; - } - if (pSymbolDictDecoder->SDREFAGG == 1) { - if (cSDHUFFAGGINST == 0) { - if (!Table_B1) { - Table_B1.reset(new CJBig2_HuffmanTable(HuffmanTable_B1, - FX_ArraySize(HuffmanTable_B1), - HuffmanTable_HTOOB_B1)); - } - pSymbolDictDecoder->SDHUFFAGGINST = Table_B1.get(); - } else { - CJBig2_Segment* pSeg = - findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++); - if (!pSeg) - return JBIG2_ERROR_FATAL; - pSymbolDictDecoder->SDHUFFAGGINST = pSeg->m_Result.ht; - } - } - } - - const bool bUseGbContext = (pSymbolDictDecoder->SDHUFF == 0); - const bool bUseGrContext = (pSymbolDictDecoder->SDREFAGG == 1); - const size_t gbContextSize = - GetHuffContextSize(pSymbolDictDecoder->SDTEMPLATE); - const size_t grContextSize = - GetRefAggContextSize(pSymbolDictDecoder->SDRTEMPLATE); - std::vector<JBig2ArithCtx> gbContext; - std::vector<JBig2ArithCtx> grContext; - if ((wFlags & 0x0100) && pLRSeg) { - if (bUseGbContext) { - gbContext = pLRSeg->m_Result.sd->GbContext(); - if (gbContext.size() != gbContextSize) - return JBIG2_ERROR_FATAL; - } - if (bUseGrContext) { - grContext = pLRSeg->m_Result.sd->GrContext(); - if (grContext.size() != grContextSize) - return JBIG2_ERROR_FATAL; - } - } else { - if (bUseGbContext) - gbContext.resize(gbContextSize); - if (bUseGrContext) - grContext.resize(grContextSize); - } - - CJBig2_CacheKey key = - CJBig2_CacheKey(pSegment->m_dwObjNum, pSegment->m_dwDataOffset); - FX_BOOL cache_hit = false; - pSegment->m_nResultType = JBIG2_SYMBOL_DICT_POINTER; - if (m_bIsGlobal && key.first != 0) { - for (auto it = m_pSymbolDictCache->begin(); it != m_pSymbolDictCache->end(); - ++it) { - if (it->first == key) { - std::unique_ptr<CJBig2_SymbolDict> copy(it->second->DeepCopy()); - pSegment->m_Result.sd = copy.release(); - m_pSymbolDictCache->push_front(*it); - m_pSymbolDictCache->erase(it); - cache_hit = true; - break; - } - } - } - if (!cache_hit) { - if (bUseGbContext) { - std::unique_ptr<CJBig2_ArithDecoder> pArithDecoder( - new CJBig2_ArithDecoder(m_pStream.get())); - pSegment->m_Result.sd = pSymbolDictDecoder->decode_Arith( - pArithDecoder.get(), &gbContext, &grContext); - if (!pSegment->m_Result.sd) - return JBIG2_ERROR_FATAL; - - m_pStream->alignByte(); - m_pStream->offset(2); - } else { - pSegment->m_Result.sd = pSymbolDictDecoder->decode_Huffman( - m_pStream.get(), &gbContext, &grContext, pPause); - if (!pSegment->m_Result.sd) - return JBIG2_ERROR_FATAL; - m_pStream->alignByte(); - } - if (m_bIsGlobal && kSymbolDictCacheMaxSize > 0) { - std::unique_ptr<CJBig2_SymbolDict> value = - pSegment->m_Result.sd->DeepCopy(); - int size = pdfium::CollectionSize<int>(*m_pSymbolDictCache); - while (size >= kSymbolDictCacheMaxSize) { - delete m_pSymbolDictCache->back().second; - m_pSymbolDictCache->pop_back(); - --size; - } - m_pSymbolDictCache->push_front(CJBig2_CachePair(key, value.release())); - } - } - if (wFlags & 0x0200) { - if (bUseGbContext) - pSegment->m_Result.sd->SetGbContext(gbContext); - if (bUseGrContext) - pSegment->m_Result.sd->SetGrContext(grContext); - } - return JBIG2_SUCCESS; -} - -int32_t CJBig2_Context::parseTextRegion(CJBig2_Segment* pSegment) { - FX_WORD wFlags; - JBig2RegionInfo ri; - if (parseRegionInfo(&ri) != JBIG2_SUCCESS || - m_pStream->readShortInteger(&wFlags) != 0) { - return JBIG2_ERROR_TOO_SHORT; - } - - std::unique_ptr<CJBig2_TRDProc> pTRD(new CJBig2_TRDProc); - pTRD->SBW = ri.width; - pTRD->SBH = ri.height; - pTRD->SBHUFF = wFlags & 0x0001; - pTRD->SBREFINE = (wFlags >> 1) & 0x0001; - FX_DWORD dwTemp = (wFlags >> 2) & 0x0003; - pTRD->SBSTRIPS = 1 << dwTemp; - pTRD->REFCORNER = (JBig2Corner)((wFlags >> 4) & 0x0003); - pTRD->TRANSPOSED = (wFlags >> 6) & 0x0001; - pTRD->SBCOMBOP = (JBig2ComposeOp)((wFlags >> 7) & 0x0003); - pTRD->SBDEFPIXEL = (wFlags >> 9) & 0x0001; - pTRD->SBDSOFFSET = (wFlags >> 10) & 0x001f; - if (pTRD->SBDSOFFSET >= 0x0010) { - pTRD->SBDSOFFSET = pTRD->SBDSOFFSET - 0x0020; - } - pTRD->SBRTEMPLATE = (wFlags >> 15) & 0x0001; - - uint8_t cSBHUFFFS; - uint8_t cSBHUFFDS; - uint8_t cSBHUFFDT; - uint8_t cSBHUFFRDW; - uint8_t cSBHUFFRDH; - uint8_t cSBHUFFRDX; - uint8_t cSBHUFFRDY; - uint8_t cSBHUFFRSIZE; - if (pTRD->SBHUFF == 1) { - if (m_pStream->readShortInteger(&wFlags) != 0) - return JBIG2_ERROR_TOO_SHORT; - - cSBHUFFFS = wFlags & 0x0003; - cSBHUFFDS = (wFlags >> 2) & 0x0003; - cSBHUFFDT = (wFlags >> 4) & 0x0003; - cSBHUFFRDW = (wFlags >> 6) & 0x0003; - cSBHUFFRDH = (wFlags >> 8) & 0x0003; - cSBHUFFRDX = (wFlags >> 10) & 0x0003; - cSBHUFFRDY = (wFlags >> 12) & 0x0003; - cSBHUFFRSIZE = (wFlags >> 14) & 0x0001; - } - if (pTRD->SBREFINE == 1 && pTRD->SBRTEMPLATE == 0) { - for (int32_t i = 0; i < 4; ++i) { - if (m_pStream->read1Byte((uint8_t*)&pTRD->SBRAT[i]) != 0) - return JBIG2_ERROR_TOO_SHORT; - } - } - if (m_pStream->readInteger(&pTRD->SBNUMINSTANCES) != 0) - return JBIG2_ERROR_TOO_SHORT; - - for (int32_t i = 0; i < pSegment->m_nReferred_to_segment_count; ++i) { - if (!findSegmentByNumber(pSegment->m_pReferred_to_segment_numbers[i])) - return JBIG2_ERROR_FATAL; - } - - pTRD->SBNUMSYMS = 0; - for (int32_t i = 0; i < pSegment->m_nReferred_to_segment_count; ++i) { - CJBig2_Segment* pSeg = - findSegmentByNumber(pSegment->m_pReferred_to_segment_numbers[i]); - if (pSeg->m_cFlags.s.type == 0) { - pTRD->SBNUMSYMS += pSeg->m_Result.sd->NumImages(); - } - } - - std::unique_ptr<CJBig2_Image*, FxFreeDeleter> SBSYMS; - if (pTRD->SBNUMSYMS > 0) { - SBSYMS.reset(FX_Alloc(CJBig2_Image*, pTRD->SBNUMSYMS)); - dwTemp = 0; - for (int32_t i = 0; i < pSegment->m_nReferred_to_segment_count; ++i) { - CJBig2_Segment* pSeg = - findSegmentByNumber(pSegment->m_pReferred_to_segment_numbers[i]); - if (pSeg->m_cFlags.s.type == 0) { - const CJBig2_SymbolDict& dict = *pSeg->m_Result.sd; - for (size_t j = 0; j < dict.NumImages(); ++j) - SBSYMS.get()[dwTemp + j] = dict.GetImage(j); - dwTemp += dict.NumImages(); - } - } - pTRD->SBSYMS = SBSYMS.get(); - } else { - pTRD->SBSYMS = NULL; - } - - std::unique_ptr<JBig2HuffmanCode, FxFreeDeleter> SBSYMCODES; - if (pTRD->SBHUFF == 1) { - SBSYMCODES.reset( - decodeSymbolIDHuffmanTable(m_pStream.get(), pTRD->SBNUMSYMS)); - if (!SBSYMCODES) - return JBIG2_ERROR_FATAL; - - m_pStream->alignByte(); - pTRD->SBSYMCODES = SBSYMCODES.get(); - } else { - dwTemp = 0; - while ((FX_DWORD)(1 << dwTemp) < pTRD->SBNUMSYMS) { - ++dwTemp; - } - pTRD->SBSYMCODELEN = (uint8_t)dwTemp; - } - - std::unique_ptr<CJBig2_HuffmanTable> Table_B1; - std::unique_ptr<CJBig2_HuffmanTable> Table_B6; - std::unique_ptr<CJBig2_HuffmanTable> Table_B7; - std::unique_ptr<CJBig2_HuffmanTable> Table_B8; - std::unique_ptr<CJBig2_HuffmanTable> Table_B9; - std::unique_ptr<CJBig2_HuffmanTable> Table_B10; - std::unique_ptr<CJBig2_HuffmanTable> Table_B11; - std::unique_ptr<CJBig2_HuffmanTable> Table_B12; - std::unique_ptr<CJBig2_HuffmanTable> Table_B13; - std::unique_ptr<CJBig2_HuffmanTable> Table_B14; - std::unique_ptr<CJBig2_HuffmanTable> Table_B15; - if (pTRD->SBHUFF == 1) { - if (cSBHUFFFS == 2 || cSBHUFFRDW == 2 || cSBHUFFRDH == 2 || - cSBHUFFRDX == 2 || cSBHUFFRDY == 2) { - return JBIG2_ERROR_FATAL; - } - int32_t nIndex = 0; - if (cSBHUFFFS == 0) { - Table_B6.reset(new CJBig2_HuffmanTable(HuffmanTable_B6, - FX_ArraySize(HuffmanTable_B6), - HuffmanTable_HTOOB_B6)); - pTRD->SBHUFFFS = Table_B6.get(); - } else if (cSBHUFFFS == 1) { - Table_B7.reset(new CJBig2_HuffmanTable(HuffmanTable_B7, - FX_ArraySize(HuffmanTable_B7), - HuffmanTable_HTOOB_B7)); - pTRD->SBHUFFFS = Table_B7.get(); - } else { - CJBig2_Segment* pSeg = - findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++); - if (!pSeg) - return JBIG2_ERROR_FATAL; - pTRD->SBHUFFFS = pSeg->m_Result.ht; - } - if (cSBHUFFDS == 0) { - Table_B8.reset(new CJBig2_HuffmanTable(HuffmanTable_B8, - FX_ArraySize(HuffmanTable_B8), - HuffmanTable_HTOOB_B8)); - pTRD->SBHUFFDS = Table_B8.get(); - } else if (cSBHUFFDS == 1) { - Table_B9.reset(new CJBig2_HuffmanTable(HuffmanTable_B9, - FX_ArraySize(HuffmanTable_B9), - HuffmanTable_HTOOB_B9)); - pTRD->SBHUFFDS = Table_B9.get(); - } else if (cSBHUFFDS == 2) { - Table_B10.reset(new CJBig2_HuffmanTable(HuffmanTable_B10, - FX_ArraySize(HuffmanTable_B10), - HuffmanTable_HTOOB_B10)); - pTRD->SBHUFFDS = Table_B10.get(); - } else { - CJBig2_Segment* pSeg = - findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++); - if (!pSeg) - return JBIG2_ERROR_FATAL; - pTRD->SBHUFFDS = pSeg->m_Result.ht; - } - if (cSBHUFFDT == 0) { - Table_B11.reset(new CJBig2_HuffmanTable(HuffmanTable_B11, - FX_ArraySize(HuffmanTable_B11), - HuffmanTable_HTOOB_B11)); - pTRD->SBHUFFDT = Table_B11.get(); - } else if (cSBHUFFDT == 1) { - Table_B12.reset(new CJBig2_HuffmanTable(HuffmanTable_B12, - FX_ArraySize(HuffmanTable_B12), - HuffmanTable_HTOOB_B12)); - pTRD->SBHUFFDT = Table_B12.get(); - } else if (cSBHUFFDT == 2) { - Table_B13.reset(new CJBig2_HuffmanTable(HuffmanTable_B13, - FX_ArraySize(HuffmanTable_B13), - HuffmanTable_HTOOB_B13)); - pTRD->SBHUFFDT = Table_B13.get(); - } else { - CJBig2_Segment* pSeg = - findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++); - if (!pSeg) - return JBIG2_ERROR_FATAL; - pTRD->SBHUFFDT = pSeg->m_Result.ht; - } - if (cSBHUFFRDW == 0) { - Table_B14.reset(new CJBig2_HuffmanTable(HuffmanTable_B14, - FX_ArraySize(HuffmanTable_B14), - HuffmanTable_HTOOB_B14)); - pTRD->SBHUFFRDW = Table_B14.get(); - } else if (cSBHUFFRDW == 1) { - Table_B15.reset(new CJBig2_HuffmanTable(HuffmanTable_B15, - FX_ArraySize(HuffmanTable_B15), - HuffmanTable_HTOOB_B15)); - pTRD->SBHUFFRDW = Table_B15.get(); - } else { - CJBig2_Segment* pSeg = - findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++); - if (!pSeg) - return JBIG2_ERROR_FATAL; - pTRD->SBHUFFRDW = pSeg->m_Result.ht; - } - if (cSBHUFFRDH == 0) { - if (!Table_B14) { - Table_B14.reset(new CJBig2_HuffmanTable(HuffmanTable_B14, - FX_ArraySize(HuffmanTable_B14), - HuffmanTable_HTOOB_B14)); - } - pTRD->SBHUFFRDH = Table_B14.get(); - } else if (cSBHUFFRDH == 1) { - if (!Table_B15) { - Table_B15.reset(new CJBig2_HuffmanTable(HuffmanTable_B15, - FX_ArraySize(HuffmanTable_B15), - HuffmanTable_HTOOB_B15)); - } - pTRD->SBHUFFRDH = Table_B15.get(); - } else { - CJBig2_Segment* pSeg = - findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++); - if (!pSeg) - return JBIG2_ERROR_FATAL; - pTRD->SBHUFFRDH = pSeg->m_Result.ht; - } - if (cSBHUFFRDX == 0) { - if (!Table_B14) { - Table_B14.reset(new CJBig2_HuffmanTable(HuffmanTable_B14, - FX_ArraySize(HuffmanTable_B14), - HuffmanTable_HTOOB_B14)); - } - pTRD->SBHUFFRDX = Table_B14.get(); - } else if (cSBHUFFRDX == 1) { - if (!Table_B15) { - Table_B15.reset(new CJBig2_HuffmanTable(HuffmanTable_B15, - FX_ArraySize(HuffmanTable_B15), - HuffmanTable_HTOOB_B15)); - } - pTRD->SBHUFFRDX = Table_B15.get(); - } else { - CJBig2_Segment* pSeg = - findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++); - if (!pSeg) - return JBIG2_ERROR_FATAL; - pTRD->SBHUFFRDX = pSeg->m_Result.ht; - } - if (cSBHUFFRDY == 0) { - if (!Table_B14) { - Table_B14.reset(new CJBig2_HuffmanTable(HuffmanTable_B14, - FX_ArraySize(HuffmanTable_B14), - HuffmanTable_HTOOB_B14)); - } - pTRD->SBHUFFRDY = Table_B14.get(); - } else if (cSBHUFFRDY == 1) { - if (!Table_B15) { - Table_B15.reset(new CJBig2_HuffmanTable(HuffmanTable_B15, - FX_ArraySize(HuffmanTable_B15), - HuffmanTable_HTOOB_B15)); - } - pTRD->SBHUFFRDY = Table_B15.get(); - } else { - CJBig2_Segment* pSeg = - findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++); - if (!pSeg) - return JBIG2_ERROR_FATAL; - pTRD->SBHUFFRDY = pSeg->m_Result.ht; - } - if (cSBHUFFRSIZE == 0) { - Table_B1.reset(new CJBig2_HuffmanTable(HuffmanTable_B1, - FX_ArraySize(HuffmanTable_B1), - HuffmanTable_HTOOB_B1)); - pTRD->SBHUFFRSIZE = Table_B1.get(); - } else { - CJBig2_Segment* pSeg = - findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++); - if (!pSeg) - return JBIG2_ERROR_FATAL; - pTRD->SBHUFFRSIZE = pSeg->m_Result.ht; - } - } - std::unique_ptr<JBig2ArithCtx, FxFreeDeleter> grContext; - if (pTRD->SBREFINE == 1) { - const size_t size = GetRefAggContextSize(pTRD->SBRTEMPLATE); - grContext.reset(FX_Alloc(JBig2ArithCtx, size)); - JBIG2_memset(grContext.get(), 0, sizeof(JBig2ArithCtx) * size); - } - if (pTRD->SBHUFF == 0) { - std::unique_ptr<CJBig2_ArithDecoder> pArithDecoder( - new CJBig2_ArithDecoder(m_pStream.get())); - pSegment->m_nResultType = JBIG2_IMAGE_POINTER; - pSegment->m_Result.im = - pTRD->decode_Arith(pArithDecoder.get(), grContext.get(), nullptr); - if (!pSegment->m_Result.im) - return JBIG2_ERROR_FATAL; - m_pStream->alignByte(); - m_pStream->offset(2); - } else { - pSegment->m_nResultType = JBIG2_IMAGE_POINTER; - pSegment->m_Result.im = - pTRD->decode_Huffman(m_pStream.get(), grContext.get()); - if (!pSegment->m_Result.im) - return JBIG2_ERROR_FATAL; - m_pStream->alignByte(); - } - if (pSegment->m_cFlags.s.type != 4) { - if (!m_bBufSpecified) { - JBig2PageInfo* pPageInfo = m_PageInfoList.back(); - if ((pPageInfo->m_bIsStriped == 1) && - (ri.y + ri.height > m_pPage->m_nHeight)) { - m_pPage->expand(ri.y + ri.height, (pPageInfo->m_cFlags & 4) ? 1 : 0); - } - } - m_pPage->composeFrom(ri.x, ri.y, pSegment->m_Result.im, - (JBig2ComposeOp)(ri.flags & 0x03)); - delete pSegment->m_Result.im; - pSegment->m_Result.im = NULL; - } - return JBIG2_SUCCESS; -} - -int32_t CJBig2_Context::parsePatternDict(CJBig2_Segment* pSegment, - IFX_Pause* pPause) { - uint8_t cFlags; - std::unique_ptr<CJBig2_PDDProc> pPDD(new CJBig2_PDDProc); - if (m_pStream->read1Byte(&cFlags) != 0 || - m_pStream->read1Byte(&pPDD->HDPW) != 0 || - m_pStream->read1Byte(&pPDD->HDPH) != 0 || - m_pStream->readInteger(&pPDD->GRAYMAX) != 0) { - return JBIG2_ERROR_TOO_SHORT; - } - if (pPDD->GRAYMAX > JBIG2_MAX_PATTERN_INDEX) - return JBIG2_ERROR_LIMIT; - - pPDD->HDMMR = cFlags & 0x01; - pPDD->HDTEMPLATE = (cFlags >> 1) & 0x03; - pSegment->m_nResultType = JBIG2_PATTERN_DICT_POINTER; - if (pPDD->HDMMR == 0) { - const size_t size = GetHuffContextSize(pPDD->HDTEMPLATE); - std::unique_ptr<JBig2ArithCtx, FxFreeDeleter> gbContext( - FX_Alloc(JBig2ArithCtx, size)); - JBIG2_memset(gbContext.get(), 0, sizeof(JBig2ArithCtx) * size); - std::unique_ptr<CJBig2_ArithDecoder> pArithDecoder( - new CJBig2_ArithDecoder(m_pStream.get())); - pSegment->m_Result.pd = - pPDD->decode_Arith(pArithDecoder.get(), gbContext.get(), pPause); - if (!pSegment->m_Result.pd) - return JBIG2_ERROR_FATAL; - - m_pStream->alignByte(); - m_pStream->offset(2); - } else { - pSegment->m_Result.pd = pPDD->decode_MMR(m_pStream.get(), pPause); - if (!pSegment->m_Result.pd) - return JBIG2_ERROR_FATAL; - m_pStream->alignByte(); - } - return JBIG2_SUCCESS; -} - -int32_t CJBig2_Context::parseHalftoneRegion(CJBig2_Segment* pSegment, - IFX_Pause* pPause) { - uint8_t cFlags; - JBig2RegionInfo ri; - std::unique_ptr<CJBig2_HTRDProc> pHRD(new CJBig2_HTRDProc); - if (parseRegionInfo(&ri) != JBIG2_SUCCESS || - m_pStream->read1Byte(&cFlags) != 0 || - m_pStream->readInteger(&pHRD->HGW) != 0 || - m_pStream->readInteger(&pHRD->HGH) != 0 || - m_pStream->readInteger((FX_DWORD*)&pHRD->HGX) != 0 || - m_pStream->readInteger((FX_DWORD*)&pHRD->HGY) != 0 || - m_pStream->readShortInteger(&pHRD->HRX) != 0 || - m_pStream->readShortInteger(&pHRD->HRY) != 0) { - return JBIG2_ERROR_TOO_SHORT; - } - - if (pHRD->HGW == 0 || pHRD->HGH == 0) - return JBIG2_ERROR_FATAL; - - pHRD->HBW = ri.width; - pHRD->HBH = ri.height; - pHRD->HMMR = cFlags & 0x01; - pHRD->HTEMPLATE = (cFlags >> 1) & 0x03; - pHRD->HENABLESKIP = (cFlags >> 3) & 0x01; - pHRD->HCOMBOP = (JBig2ComposeOp)((cFlags >> 4) & 0x07); - pHRD->HDEFPIXEL = (cFlags >> 7) & 0x01; - if (pSegment->m_nReferred_to_segment_count != 1) - return JBIG2_ERROR_FATAL; - - CJBig2_Segment* pSeg = - findSegmentByNumber(pSegment->m_pReferred_to_segment_numbers[0]); - if (!pSeg || (pSeg->m_cFlags.s.type != 16)) - return JBIG2_ERROR_FATAL; - - CJBig2_PatternDict* pPatternDict = pSeg->m_Result.pd; - if (!pPatternDict || (pPatternDict->NUMPATS == 0)) - return JBIG2_ERROR_FATAL; - - pHRD->HNUMPATS = pPatternDict->NUMPATS; - pHRD->HPATS = pPatternDict->HDPATS; - pHRD->HPW = pPatternDict->HDPATS[0]->m_nWidth; - pHRD->HPH = pPatternDict->HDPATS[0]->m_nHeight; - pSegment->m_nResultType = JBIG2_IMAGE_POINTER; - if (pHRD->HMMR == 0) { - const size_t size = GetHuffContextSize(pHRD->HTEMPLATE); - std::unique_ptr<JBig2ArithCtx, FxFreeDeleter> gbContext( - FX_Alloc(JBig2ArithCtx, size)); - JBIG2_memset(gbContext.get(), 0, sizeof(JBig2ArithCtx) * size); - std::unique_ptr<CJBig2_ArithDecoder> pArithDecoder( - new CJBig2_ArithDecoder(m_pStream.get())); - pSegment->m_Result.im = - pHRD->decode_Arith(pArithDecoder.get(), gbContext.get(), pPause); - if (!pSegment->m_Result.im) - return JBIG2_ERROR_FATAL; - - m_pStream->alignByte(); - m_pStream->offset(2); - } else { - pSegment->m_Result.im = pHRD->decode_MMR(m_pStream.get(), pPause); - if (!pSegment->m_Result.im) - return JBIG2_ERROR_FATAL; - m_pStream->alignByte(); - } - if (pSegment->m_cFlags.s.type != 20) { - if (!m_bBufSpecified) { - JBig2PageInfo* pPageInfo = m_PageInfoList.back(); - if (pPageInfo->m_bIsStriped == 1 && - ri.y + ri.height > m_pPage->m_nHeight) { - m_pPage->expand(ri.y + ri.height, (pPageInfo->m_cFlags & 4) ? 1 : 0); - } - } - m_pPage->composeFrom(ri.x, ri.y, pSegment->m_Result.im, - (JBig2ComposeOp)(ri.flags & 0x03)); - delete pSegment->m_Result.im; - pSegment->m_Result.im = NULL; - } - return JBIG2_SUCCESS; -} - -int32_t CJBig2_Context::parseGenericRegion(CJBig2_Segment* pSegment, - IFX_Pause* pPause) { - if (!m_pGRD) { - std::unique_ptr<CJBig2_GRDProc> pGRD(new CJBig2_GRDProc); - uint8_t cFlags; - if (parseRegionInfo(&m_ri) != JBIG2_SUCCESS || - m_pStream->read1Byte(&cFlags) != 0) { - return JBIG2_ERROR_TOO_SHORT; - } - if (m_ri.height < 0 || m_ri.width < 0) - return JBIG2_FAILED; - - pGRD->GBW = m_ri.width; - pGRD->GBH = m_ri.height; - pGRD->MMR = cFlags & 0x01; - pGRD->GBTEMPLATE = (cFlags >> 1) & 0x03; - pGRD->TPGDON = (cFlags >> 3) & 0x01; - if (pGRD->MMR == 0) { - if (pGRD->GBTEMPLATE == 0) { - for (int32_t i = 0; i < 8; ++i) { - if (m_pStream->read1Byte((uint8_t*)&pGRD->GBAT[i]) != 0) { - return JBIG2_ERROR_TOO_SHORT; - } - } - } else { - for (int32_t i = 0; i < 2; ++i) { - if (m_pStream->read1Byte((uint8_t*)&pGRD->GBAT[i]) != 0) { - return JBIG2_ERROR_TOO_SHORT; - } - } - } - } - pGRD->USESKIP = 0; - m_pGRD = std::move(pGRD); - } - pSegment->m_nResultType = JBIG2_IMAGE_POINTER; - if (m_pGRD->MMR == 0) { - if (!m_gbContext) { - const size_t size = GetHuffContextSize(m_pGRD->GBTEMPLATE); - m_gbContext = FX_Alloc(JBig2ArithCtx, size); - JBIG2_memset(m_gbContext, 0, sizeof(JBig2ArithCtx) * size); - } - if (!m_pArithDecoder) { - m_pArithDecoder.reset(new CJBig2_ArithDecoder(m_pStream.get())); - m_ProcessingStatus = m_pGRD->Start_decode_Arith( - &pSegment->m_Result.im, m_pArithDecoder.get(), m_gbContext, pPause); - } else { - m_ProcessingStatus = m_pGRD->Continue_decode(pPause); - } - if (m_ProcessingStatus == FXCODEC_STATUS_DECODE_TOBECONTINUE) { - if (pSegment->m_cFlags.s.type != 36) { - if (!m_bBufSpecified) { - JBig2PageInfo* pPageInfo = m_PageInfoList.back(); - if ((pPageInfo->m_bIsStriped == 1) && - (m_ri.y + m_ri.height > m_pPage->m_nHeight)) { - m_pPage->expand(m_ri.y + m_ri.height, - (pPageInfo->m_cFlags & 4) ? 1 : 0); - } - } - FX_RECT Rect = m_pGRD->GetReplaceRect(); - m_pPage->composeFrom(m_ri.x + Rect.left, m_ri.y + Rect.top, - pSegment->m_Result.im, - (JBig2ComposeOp)(m_ri.flags & 0x03), &Rect); - } - return JBIG2_SUCCESS; - } else { - m_pArithDecoder.reset(); - FX_Free(m_gbContext); - m_gbContext = NULL; - if (!pSegment->m_Result.im) { - m_ProcessingStatus = FXCODEC_STATUS_ERROR; - m_pGRD.reset(); - return JBIG2_ERROR_FATAL; - } - m_pStream->alignByte(); - m_pStream->offset(2); - } - } else { - FXCODEC_STATUS status = m_pGRD->Start_decode_MMR(&pSegment->m_Result.im, - m_pStream.get(), pPause); - while (status == FXCODEC_STATUS_DECODE_TOBECONTINUE) { - m_pGRD->Continue_decode(pPause); - } - if (!pSegment->m_Result.im) { - m_pGRD.reset(); - return JBIG2_ERROR_FATAL; - } - m_pStream->alignByte(); - } - if (pSegment->m_cFlags.s.type != 36) { - if (!m_bBufSpecified) { - JBig2PageInfo* pPageInfo = m_PageInfoList.back(); - if ((pPageInfo->m_bIsStriped == 1) && - (m_ri.y + m_ri.height > m_pPage->m_nHeight)) { - m_pPage->expand(m_ri.y + m_ri.height, - (pPageInfo->m_cFlags & 4) ? 1 : 0); - } - } - FX_RECT Rect = m_pGRD->GetReplaceRect(); - m_pPage->composeFrom(m_ri.x + Rect.left, m_ri.y + Rect.top, - pSegment->m_Result.im, - (JBig2ComposeOp)(m_ri.flags & 0x03), &Rect); - delete pSegment->m_Result.im; - pSegment->m_Result.im = NULL; - } - m_pGRD.reset(); - return JBIG2_SUCCESS; -} - -int32_t CJBig2_Context::parseGenericRefinementRegion(CJBig2_Segment* pSegment) { - JBig2RegionInfo ri; - uint8_t cFlags; - if (parseRegionInfo(&ri) != JBIG2_SUCCESS || - m_pStream->read1Byte(&cFlags) != 0) { - return JBIG2_ERROR_TOO_SHORT; - } - std::unique_ptr<CJBig2_GRRDProc> pGRRD(new CJBig2_GRRDProc); - pGRRD->GRW = ri.width; - pGRRD->GRH = ri.height; - pGRRD->GRTEMPLATE = cFlags & 0x01; - pGRRD->TPGRON = (cFlags >> 1) & 0x01; - if (pGRRD->GRTEMPLATE == 0) { - for (int32_t i = 0; i < 4; ++i) { - if (m_pStream->read1Byte((uint8_t*)&pGRRD->GRAT[i]) != 0) - return JBIG2_ERROR_TOO_SHORT; - } - } - CJBig2_Segment* pSeg = nullptr; - if (pSegment->m_nReferred_to_segment_count > 0) { - int32_t i; - for (i = 0; i < pSegment->m_nReferred_to_segment_count; ++i) { - pSeg = findSegmentByNumber(pSegment->m_pReferred_to_segment_numbers[0]); - if (!pSeg) - return JBIG2_ERROR_FATAL; - - if (pSeg->m_cFlags.s.type == 4 || pSeg->m_cFlags.s.type == 20 || - pSeg->m_cFlags.s.type == 36 || pSeg->m_cFlags.s.type == 40) { - break; - } - } - if (i >= pSegment->m_nReferred_to_segment_count) - return JBIG2_ERROR_FATAL; - - pGRRD->GRREFERENCE = pSeg->m_Result.im; - } else { - pGRRD->GRREFERENCE = m_pPage.get(); - } - pGRRD->GRREFERENCEDX = 0; - pGRRD->GRREFERENCEDY = 0; - const size_t size = GetRefAggContextSize(pGRRD->GRTEMPLATE); - std::unique_ptr<JBig2ArithCtx, FxFreeDeleter> grContext( - FX_Alloc(JBig2ArithCtx, size)); - JBIG2_memset(grContext.get(), 0, sizeof(JBig2ArithCtx) * size); - std::unique_ptr<CJBig2_ArithDecoder> pArithDecoder( - new CJBig2_ArithDecoder(m_pStream.get())); - pSegment->m_nResultType = JBIG2_IMAGE_POINTER; - pSegment->m_Result.im = pGRRD->decode(pArithDecoder.get(), grContext.get()); - if (!pSegment->m_Result.im) - return JBIG2_ERROR_FATAL; - - m_pStream->alignByte(); - m_pStream->offset(2); - if (pSegment->m_cFlags.s.type != 40) { - if (!m_bBufSpecified) { - JBig2PageInfo* pPageInfo = m_PageInfoList.back(); - if ((pPageInfo->m_bIsStriped == 1) && - (ri.y + ri.height > m_pPage->m_nHeight)) { - m_pPage->expand(ri.y + ri.height, (pPageInfo->m_cFlags & 4) ? 1 : 0); - } - } - m_pPage->composeFrom(ri.x, ri.y, pSegment->m_Result.im, - (JBig2ComposeOp)(ri.flags & 0x03)); - delete pSegment->m_Result.im; - pSegment->m_Result.im = NULL; - } - return JBIG2_SUCCESS; -} - -int32_t CJBig2_Context::parseTable(CJBig2_Segment* pSegment) { - pSegment->m_nResultType = JBIG2_HUFFMAN_TABLE_POINTER; - pSegment->m_Result.ht = nullptr; - std::unique_ptr<CJBig2_HuffmanTable> pHuff( - new CJBig2_HuffmanTable(m_pStream.get())); - if (!pHuff->IsOK()) - return JBIG2_ERROR_FATAL; - - pSegment->m_Result.ht = pHuff.release(); - m_pStream->alignByte(); - return JBIG2_SUCCESS; -} - -int32_t CJBig2_Context::parseRegionInfo(JBig2RegionInfo* pRI) { - if (m_pStream->readInteger((FX_DWORD*)&pRI->width) != 0 || - m_pStream->readInteger((FX_DWORD*)&pRI->height) != 0 || - m_pStream->readInteger((FX_DWORD*)&pRI->x) != 0 || - m_pStream->readInteger((FX_DWORD*)&pRI->y) != 0 || - m_pStream->read1Byte(&pRI->flags) != 0) { - return JBIG2_ERROR_TOO_SHORT; - } - return JBIG2_SUCCESS; -} - -JBig2HuffmanCode* CJBig2_Context::decodeSymbolIDHuffmanTable( - CJBig2_BitStream* pStream, - FX_DWORD SBNUMSYMS) { - const size_t kRunCodesSize = 35; - int32_t runcodes[kRunCodesSize]; - int32_t runcodes_len[kRunCodesSize]; - for (int32_t i = 0; i < kRunCodesSize; ++i) { - if (pStream->readNBits(4, &runcodes_len[i]) != 0) - return nullptr; - } - huffman_assign_code(runcodes, runcodes_len, kRunCodesSize); - - std::unique_ptr<JBig2HuffmanCode, FxFreeDeleter> SBSYMCODES( - FX_Alloc(JBig2HuffmanCode, SBNUMSYMS)); - int32_t run; - int32_t i = 0; - while (i < (int)SBNUMSYMS) { - int32_t j; - int32_t nVal = 0; - int32_t nBits = 0; - FX_DWORD nTemp; - while (true) { - if (pStream->read1Bit(&nTemp) != 0) - return nullptr; - - nVal = (nVal << 1) | nTemp; - ++nBits; - for (j = 0; j < kRunCodesSize; ++j) { - if (nBits == runcodes_len[j] && nVal == runcodes[j]) { - break; - } - } - if (j < kRunCodesSize) { - break; - } - } - int32_t runcode = j; - if (runcode < 32) { - SBSYMCODES.get()[i].codelen = runcode; - run = 0; - } else if (runcode == 32) { - if (pStream->readNBits(2, &nTemp) != 0) - return nullptr; - run = nTemp + 3; - } else if (runcode == 33) { - if (pStream->readNBits(3, &nTemp) != 0) - return nullptr; - run = nTemp + 3; - } else if (runcode == 34) { - if (pStream->readNBits(7, &nTemp) != 0) - return nullptr; - run = nTemp + 11; - } - if (run > 0) { - if (i + run > (int)SBNUMSYMS) - return nullptr; - for (j = 0; j < run; ++j) { - if (runcode == 32 && i > 0) { - SBSYMCODES.get()[i + j].codelen = SBSYMCODES.get()[i - 1].codelen; - } else { - SBSYMCODES.get()[i + j].codelen = 0; - } - } - i += run; - } else { - ++i; - } - } - huffman_assign_code(SBSYMCODES.get(), SBNUMSYMS); - return SBSYMCODES.release(); -} - -void CJBig2_Context::huffman_assign_code(int* CODES, int* PREFLEN, int NTEMP) { - // TODO(thestig) CJBig2_HuffmanTable::parseFromCodedBuffer() has similar code. - int CURLEN, LENMAX, CURCODE, CURTEMP, i; - int* LENCOUNT; - int* FIRSTCODE; - LENMAX = 0; - for (i = 0; i < NTEMP; ++i) { - if (PREFLEN[i] > LENMAX) { - LENMAX = PREFLEN[i]; - } - } - LENCOUNT = FX_Alloc(int, LENMAX + 1); - JBIG2_memset(LENCOUNT, 0, sizeof(int) * (LENMAX + 1)); - FIRSTCODE = FX_Alloc(int, LENMAX + 1); - for (i = 0; i < NTEMP; ++i) { - ++LENCOUNT[PREFLEN[i]]; - } - CURLEN = 1; - FIRSTCODE[0] = 0; - LENCOUNT[0] = 0; - while (CURLEN <= LENMAX) { - FIRSTCODE[CURLEN] = (FIRSTCODE[CURLEN - 1] + LENCOUNT[CURLEN - 1]) << 1; - CURCODE = FIRSTCODE[CURLEN]; - CURTEMP = 0; - while (CURTEMP < NTEMP) { - if (PREFLEN[CURTEMP] == CURLEN) { - CODES[CURTEMP] = CURCODE; - CURCODE = CURCODE + 1; - } - CURTEMP = CURTEMP + 1; - } - CURLEN = CURLEN + 1; - } - FX_Free(LENCOUNT); - FX_Free(FIRSTCODE); -} -void CJBig2_Context::huffman_assign_code(JBig2HuffmanCode* SBSYMCODES, - int NTEMP) { - int CURLEN, LENMAX, CURCODE, CURTEMP, i; - int* LENCOUNT; - int* FIRSTCODE; - LENMAX = 0; - for (i = 0; i < NTEMP; ++i) { - if (SBSYMCODES[i].codelen > LENMAX) { - LENMAX = SBSYMCODES[i].codelen; - } - } - LENCOUNT = FX_Alloc(int, (LENMAX + 1)); - JBIG2_memset(LENCOUNT, 0, sizeof(int) * (LENMAX + 1)); - FIRSTCODE = FX_Alloc(int, (LENMAX + 1)); - for (i = 0; i < NTEMP; ++i) { - ++LENCOUNT[SBSYMCODES[i].codelen]; - } - CURLEN = 1; - FIRSTCODE[0] = 0; - LENCOUNT[0] = 0; - while (CURLEN <= LENMAX) { - FIRSTCODE[CURLEN] = (FIRSTCODE[CURLEN - 1] + LENCOUNT[CURLEN - 1]) << 1; - CURCODE = FIRSTCODE[CURLEN]; - CURTEMP = 0; - while (CURTEMP < NTEMP) { - if (SBSYMCODES[CURTEMP].codelen == CURLEN) { - SBSYMCODES[CURTEMP].code = CURCODE; - CURCODE = CURCODE + 1; - } - CURTEMP = CURTEMP + 1; - } - CURLEN = CURLEN + 1; - } - FX_Free(LENCOUNT); - FX_Free(FIRSTCODE); -} diff --git a/core/src/fxcodec/jbig2/JBig2_Context.h b/core/src/fxcodec/jbig2/JBig2_Context.h deleted file mode 100644 index 68c575392a..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_Context.h +++ /dev/null @@ -1,134 +0,0 @@ -// 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_SRC_FXCODEC_JBIG2_JBIG2_CONTEXT_H_ -#define CORE_SRC_FXCODEC_JBIG2_JBIG2_CONTEXT_H_ - -#include <list> -#include <memory> -#include <utility> - -#include "core/include/fpdfapi/cpdf_object.h" -#include "core/include/fxcodec/fx_codec_def.h" -#include "core/src/fxcodec/jbig2/JBig2_List.h" -#include "core/src/fxcodec/jbig2/JBig2_Page.h" -#include "core/src/fxcodec/jbig2/JBig2_Segment.h" - -class CJBig2_ArithDecoder; -class CJBig2_GRDProc; -class CPDF_StreamAcc; -class IFX_Pause; - -// Cache is keyed by the ObjNum of a stream and an index within the stream. -using CJBig2_CacheKey = std::pair<FX_DWORD, FX_DWORD>; -// NB: CJBig2_SymbolDict* is owned. -using CJBig2_CachePair = std::pair<CJBig2_CacheKey, CJBig2_SymbolDict*>; - -#define JBIG2_SUCCESS 0 -#define JBIG2_FAILED -1 -#define JBIG2_ERROR_TOO_SHORT -2 -#define JBIG2_ERROR_FATAL -3 -#define JBIG2_END_OF_PAGE 2 -#define JBIG2_END_OF_FILE 3 -#define JBIG2_ERROR_FILE_FORMAT -4 -#define JBIG2_ERROR_STREAM_TYPE -5 -#define JBIG2_ERROR_LIMIT -6 -#define JBIG2_MIN_SEGMENT_SIZE 11 - -class CJBig2_Context { - public: - static CJBig2_Context* CreateContext( - CPDF_StreamAcc* pGlobalStream, - CPDF_StreamAcc* pSrcStream, - std::list<CJBig2_CachePair>* pSymbolDictCache, - IFX_Pause* pPause = NULL); - - static void DestroyContext(CJBig2_Context* pContext); - - int32_t getFirstPage(uint8_t* pBuf, - int32_t width, - int32_t height, - int32_t stride, - IFX_Pause* pPause); - - int32_t Continue(IFX_Pause* pPause); - FXCODEC_STATUS GetProcessingStatus() { return m_ProcessingStatus; } - - private: - CJBig2_Context(CPDF_StreamAcc* pGlobalStream, - CPDF_StreamAcc* pSrcStream, - std::list<CJBig2_CachePair>* pSymbolDictCache, - IFX_Pause* pPause, - bool bIsGlobal); - - ~CJBig2_Context(); - - int32_t decode_SquentialOrgnazation(IFX_Pause* pPause); - - int32_t decode_EmbedOrgnazation(IFX_Pause* pPause); - - int32_t decode_RandomOrgnazation_FirstPage(IFX_Pause* pPause); - - int32_t decode_RandomOrgnazation(IFX_Pause* pPause); - - CJBig2_Segment* findSegmentByNumber(FX_DWORD dwNumber); - - CJBig2_Segment* findReferredSegmentByTypeAndIndex(CJBig2_Segment* pSegment, - uint8_t cType, - int32_t nIndex); - - int32_t parseSegmentHeader(CJBig2_Segment* pSegment); - - int32_t parseSegmentData(CJBig2_Segment* pSegment, IFX_Pause* pPause); - int32_t ProcessingParseSegmentData(CJBig2_Segment* pSegment, - IFX_Pause* pPause); - - int32_t parseSymbolDict(CJBig2_Segment* pSegment, IFX_Pause* pPause); - - int32_t parseTextRegion(CJBig2_Segment* pSegment); - - int32_t parsePatternDict(CJBig2_Segment* pSegment, IFX_Pause* pPause); - - int32_t parseHalftoneRegion(CJBig2_Segment* pSegment, IFX_Pause* pPause); - - int32_t parseGenericRegion(CJBig2_Segment* pSegment, IFX_Pause* pPause); - - int32_t parseGenericRefinementRegion(CJBig2_Segment* pSegment); - - int32_t parseTable(CJBig2_Segment* pSegment); - - int32_t parseRegionInfo(JBig2RegionInfo* pRI); - - JBig2HuffmanCode* decodeSymbolIDHuffmanTable(CJBig2_BitStream* pStream, - FX_DWORD SBNUMSYMS); - - void huffman_assign_code(int* CODES, int* PREFLEN, int NTEMP); - - void huffman_assign_code(JBig2HuffmanCode* SBSYMCODES, int NTEMP); - - private: - CJBig2_Context* m_pGlobalContext; - std::unique_ptr<CJBig2_BitStream> m_pStream; - CJBig2_List<CJBig2_Segment> m_SegmentList; - CJBig2_List<JBig2PageInfo> m_PageInfoList; - std::unique_ptr<CJBig2_Image> m_pPage; - size_t m_nSegmentDecoded; - bool m_bInPage; - bool m_bBufSpecified; - int32_t m_PauseStep; - IFX_Pause* m_pPause; - FXCODEC_STATUS m_ProcessingStatus; - std::unique_ptr<CJBig2_ArithDecoder> m_pArithDecoder; - std::unique_ptr<CJBig2_GRDProc> m_pGRD; - JBig2ArithCtx* m_gbContext; - std::unique_ptr<CJBig2_Segment> m_pSegment; - FX_DWORD m_dwOffset; - JBig2RegionInfo m_ri; - std::list<CJBig2_CachePair>* const m_pSymbolDictCache; - bool m_bIsGlobal; -}; - -#endif // CORE_SRC_FXCODEC_JBIG2_JBIG2_CONTEXT_H_ diff --git a/core/src/fxcodec/jbig2/JBig2_Define.h b/core/src/fxcodec/jbig2/JBig2_Define.h deleted file mode 100644 index 68e2ff2533..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_Define.h +++ /dev/null @@ -1,36 +0,0 @@ -// 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_SRC_FXCODEC_JBIG2_JBIG2_DEFINE_H_ -#define CORE_SRC_FXCODEC_JBIG2_JBIG2_DEFINE_H_ - -#include "core/include/fxcrt/fx_system.h" - -#define JBIG2_memset FXSYS_memset -#define JBIG2_memcmp FXSYS_memcmp -#define JBIG2_memcpy FXSYS_memcpy -#define JBIG2_OOB 1 - -struct JBig2RegionInfo { - int32_t width; - int32_t height; - int32_t x; - int32_t y; - uint8_t flags; -}; - -struct JBig2HuffmanCode { - int32_t codelen; - int32_t code; -}; - -#define JBIG2_MAX_REFERRED_SEGMENT_COUNT 64 -#define JBIG2_MAX_EXPORT_SYSMBOLS 65535 -#define JBIG2_MAX_NEW_SYSMBOLS 65535 -#define JBIG2_MAX_PATTERN_INDEX 65535 -#define JBIG2_MAX_IMAGE_SIZE 65535 - -#endif // CORE_SRC_FXCODEC_JBIG2_JBIG2_DEFINE_H_ diff --git a/core/src/fxcodec/jbig2/JBig2_GrdProc.cpp b/core/src/fxcodec/jbig2/JBig2_GrdProc.cpp deleted file mode 100644 index cf0f60405c..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_GrdProc.cpp +++ /dev/null @@ -1,1259 +0,0 @@ -// Copyright 2015 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 "core/src/fxcodec/jbig2/JBig2_GrdProc.h" - -#include <memory> - -#include "core/include/fxcodec/fx_codec.h" -#include "core/src/fxcodec/jbig2/JBig2_ArithDecoder.h" -#include "core/src/fxcodec/jbig2/JBig2_BitStream.h" -#include "core/src/fxcodec/jbig2/JBig2_Image.h" - -CJBig2_GRDProc::CJBig2_GRDProc() - : m_loopIndex(0), - m_pLine(nullptr), - m_pPause(nullptr), - m_DecodeType(0), - LTP(0) { - m_ReplaceRect.left = 0; - m_ReplaceRect.bottom = 0; - m_ReplaceRect.top = 0; - m_ReplaceRect.right = 0; -} - -bool CJBig2_GRDProc::UseTemplate0Opt3() const { - return (GBAT[0] == 3) && (GBAT[1] == -1) && (GBAT[2] == -3) && - (GBAT[3] == -1) && (GBAT[4] == 2) && (GBAT[5] == -2) && - (GBAT[6] == -2) && (GBAT[7] == -2); -} - -bool CJBig2_GRDProc::UseTemplate1Opt3() const { - return (GBAT[0] == 3) && (GBAT[1] == -1); -} - -bool CJBig2_GRDProc::UseTemplate23Opt3() const { - return (GBAT[0] == 2) && (GBAT[1] == -1); -} - -CJBig2_Image* CJBig2_GRDProc::decode_Arith(CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* gbContext) { - if (GBW == 0 || GBH == 0) - return new CJBig2_Image(GBW, GBH); - - if (GBTEMPLATE == 0) { - if (UseTemplate0Opt3()) - return decode_Arith_Template0_opt3(pArithDecoder, gbContext); - return decode_Arith_Template0_unopt(pArithDecoder, gbContext); - } else if (GBTEMPLATE == 1) { - if (UseTemplate1Opt3()) - return decode_Arith_Template1_opt3(pArithDecoder, gbContext); - return decode_Arith_Template1_unopt(pArithDecoder, gbContext); - } else if (GBTEMPLATE == 2) { - if (UseTemplate23Opt3()) - return decode_Arith_Template2_opt3(pArithDecoder, gbContext); - return decode_Arith_Template2_unopt(pArithDecoder, gbContext); - } else { - if (UseTemplate23Opt3()) - return decode_Arith_Template3_opt3(pArithDecoder, gbContext); - return decode_Arith_Template3_unopt(pArithDecoder, gbContext); - } -} -CJBig2_Image* CJBig2_GRDProc::decode_Arith_Template0_opt3( - CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* gbContext) { - FX_BOOL LTP, SLTP, bVal; - FX_DWORD CONTEXT; - FX_DWORD line1, line2; - uint8_t* pLine, *pLine1, *pLine2, cVal; - int32_t nStride, nStride2, k; - int32_t nLineBytes, nBitsLeft, cc; - LTP = 0; - std::unique_ptr<CJBig2_Image> GBREG(new CJBig2_Image(GBW, GBH)); - if (!GBREG->m_pData) - return nullptr; - - pLine = GBREG->m_pData; - nStride = GBREG->m_nStride; - nStride2 = nStride << 1; - nLineBytes = ((GBW + 7) >> 3) - 1; - nBitsLeft = GBW - (nLineBytes << 3); - FX_DWORD height = GBH & 0x7fffffff; - for (FX_DWORD h = 0; h < height; h++) { - if (TPGDON) { - SLTP = pArithDecoder->DECODE(&gbContext[0x9b25]); - LTP = LTP ^ SLTP; - } - if (LTP == 1) { - GBREG->copyLine(h, h - 1); - } else { - if (h > 1) { - pLine1 = pLine - nStride2; - pLine2 = pLine - nStride; - line1 = (*pLine1++) << 6; - line2 = *pLine2++; - CONTEXT = ((line1 & 0xf800) | (line2 & 0x07f0)); - for (cc = 0; cc < nLineBytes; cc++) { - line1 = (line1 << 8) | ((*pLine1++) << 6); - line2 = (line2 << 8) | (*pLine2++); - cVal = 0; - for (k = 7; k >= 0; k--) { - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - cVal |= bVal << k; - CONTEXT = (((CONTEXT & 0x7bf7) << 1) | bVal | - ((line1 >> k) & 0x0800) | ((line2 >> k) & 0x0010)); - } - pLine[cc] = cVal; - } - line1 <<= 8; - line2 <<= 8; - cVal = 0; - for (k = 0; k < nBitsLeft; k++) { - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - cVal |= bVal << (7 - k); - CONTEXT = - (((CONTEXT & 0x7bf7) << 1) | bVal | - ((line1 >> (7 - k)) & 0x0800) | ((line2 >> (7 - k)) & 0x0010)); - } - pLine[nLineBytes] = cVal; - } else { - pLine2 = pLine - nStride; - line2 = (h & 1) ? (*pLine2++) : 0; - CONTEXT = (line2 & 0x07f0); - for (cc = 0; cc < nLineBytes; cc++) { - if (h & 1) { - line2 = (line2 << 8) | (*pLine2++); - } - cVal = 0; - for (k = 7; k >= 0; k--) { - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - cVal |= bVal << k; - CONTEXT = - (((CONTEXT & 0x7bf7) << 1) | bVal | ((line2 >> k) & 0x0010)); - } - pLine[cc] = cVal; - } - line2 <<= 8; - cVal = 0; - for (k = 0; k < nBitsLeft; k++) { - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - cVal |= bVal << (7 - k); - CONTEXT = (((CONTEXT & 0x7bf7) << 1) | bVal | - (((line2 >> (7 - k))) & 0x0010)); - } - pLine[nLineBytes] = cVal; - } - } - pLine += nStride; - } - return GBREG.release(); -} - -CJBig2_Image* CJBig2_GRDProc::decode_Arith_Template0_unopt( - CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* gbContext) { - FX_BOOL LTP, SLTP, bVal; - FX_DWORD CONTEXT; - FX_DWORD line1, line2, line3; - LTP = 0; - std::unique_ptr<CJBig2_Image> GBREG(new CJBig2_Image(GBW, GBH)); - GBREG->fill(0); - for (FX_DWORD h = 0; h < GBH; h++) { - if (TPGDON) { - SLTP = pArithDecoder->DECODE(&gbContext[0x9b25]); - LTP = LTP ^ SLTP; - } - if (LTP == 1) { - GBREG->copyLine(h, h - 1); - } else { - line1 = GBREG->getPixel(1, h - 2); - line1 |= GBREG->getPixel(0, h - 2) << 1; - line2 = GBREG->getPixel(2, h - 1); - line2 |= GBREG->getPixel(1, h - 1) << 1; - line2 |= GBREG->getPixel(0, h - 1) << 2; - line3 = 0; - for (FX_DWORD w = 0; w < GBW; w++) { - if (USESKIP && SKIP->getPixel(w, h)) { - bVal = 0; - } else { - CONTEXT = line3; - CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 4; - CONTEXT |= line2 << 5; - CONTEXT |= GBREG->getPixel(w + GBAT[2], h + GBAT[3]) << 10; - CONTEXT |= GBREG->getPixel(w + GBAT[4], h + GBAT[5]) << 11; - CONTEXT |= line1 << 12; - CONTEXT |= GBREG->getPixel(w + GBAT[6], h + GBAT[7]) << 15; - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - } - if (bVal) { - GBREG->setPixel(w, h, bVal); - } - line1 = ((line1 << 1) | GBREG->getPixel(w + 2, h - 2)) & 0x07; - line2 = ((line2 << 1) | GBREG->getPixel(w + 3, h - 1)) & 0x1f; - line3 = ((line3 << 1) | bVal) & 0x0f; - } - } - } - return GBREG.release(); -} - -CJBig2_Image* CJBig2_GRDProc::decode_Arith_Template1_opt3( - CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* gbContext) { - FX_BOOL LTP, SLTP, bVal; - FX_DWORD CONTEXT; - FX_DWORD line1, line2; - uint8_t* pLine, *pLine1, *pLine2, cVal; - int32_t nStride, nStride2, k; - int32_t nLineBytes, nBitsLeft, cc; - LTP = 0; - std::unique_ptr<CJBig2_Image> GBREG(new CJBig2_Image(GBW, GBH)); - if (!GBREG->m_pData) - return nullptr; - - pLine = GBREG->m_pData; - nStride = GBREG->m_nStride; - nStride2 = nStride << 1; - nLineBytes = ((GBW + 7) >> 3) - 1; - nBitsLeft = GBW - (nLineBytes << 3); - for (FX_DWORD h = 0; h < GBH; h++) { - if (TPGDON) { - SLTP = pArithDecoder->DECODE(&gbContext[0x0795]); - LTP = LTP ^ SLTP; - } - if (LTP == 1) { - GBREG->copyLine(h, h - 1); - } else { - if (h > 1) { - pLine1 = pLine - nStride2; - pLine2 = pLine - nStride; - line1 = (*pLine1++) << 4; - line2 = *pLine2++; - CONTEXT = (line1 & 0x1e00) | ((line2 >> 1) & 0x01f8); - for (cc = 0; cc < nLineBytes; cc++) { - line1 = (line1 << 8) | ((*pLine1++) << 4); - line2 = (line2 << 8) | (*pLine2++); - cVal = 0; - for (k = 7; k >= 0; k--) { - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - cVal |= bVal << k; - CONTEXT = ((CONTEXT & 0x0efb) << 1) | bVal | - ((line1 >> k) & 0x0200) | ((line2 >> (k + 1)) & 0x0008); - } - pLine[cc] = cVal; - } - line1 <<= 8; - line2 <<= 8; - cVal = 0; - for (k = 0; k < nBitsLeft; k++) { - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - cVal |= bVal << (7 - k); - CONTEXT = ((CONTEXT & 0x0efb) << 1) | bVal | - ((line1 >> (7 - k)) & 0x0200) | - ((line2 >> (8 - k)) & 0x0008); - } - pLine[nLineBytes] = cVal; - } else { - pLine2 = pLine - nStride; - line2 = (h & 1) ? (*pLine2++) : 0; - CONTEXT = (line2 >> 1) & 0x01f8; - for (cc = 0; cc < nLineBytes; cc++) { - if (h & 1) { - line2 = (line2 << 8) | (*pLine2++); - } - cVal = 0; - for (k = 7; k >= 0; k--) { - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - cVal |= bVal << k; - CONTEXT = ((CONTEXT & 0x0efb) << 1) | bVal | - ((line2 >> (k + 1)) & 0x0008); - } - pLine[cc] = cVal; - } - line2 <<= 8; - cVal = 0; - for (k = 0; k < nBitsLeft; k++) { - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - cVal |= bVal << (7 - k); - CONTEXT = - ((CONTEXT & 0x0efb) << 1) | bVal | ((line2 >> (8 - k)) & 0x0008); - } - pLine[nLineBytes] = cVal; - } - } - pLine += nStride; - } - return GBREG.release(); -} - -CJBig2_Image* CJBig2_GRDProc::decode_Arith_Template1_unopt( - CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* gbContext) { - FX_BOOL LTP, SLTP, bVal; - FX_DWORD CONTEXT; - FX_DWORD line1, line2, line3; - LTP = 0; - std::unique_ptr<CJBig2_Image> GBREG(new CJBig2_Image(GBW, GBH)); - GBREG->fill(0); - for (FX_DWORD h = 0; h < GBH; h++) { - if (TPGDON) { - SLTP = pArithDecoder->DECODE(&gbContext[0x0795]); - LTP = LTP ^ SLTP; - } - if (LTP == 1) { - GBREG->copyLine(h, h - 1); - } else { - line1 = GBREG->getPixel(2, h - 2); - line1 |= GBREG->getPixel(1, h - 2) << 1; - line1 |= GBREG->getPixel(0, h - 2) << 2; - line2 = GBREG->getPixel(2, h - 1); - line2 |= GBREG->getPixel(1, h - 1) << 1; - line2 |= GBREG->getPixel(0, h - 1) << 2; - line3 = 0; - for (FX_DWORD w = 0; w < GBW; w++) { - if (USESKIP && SKIP->getPixel(w, h)) { - bVal = 0; - } else { - CONTEXT = line3; - CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 3; - CONTEXT |= line2 << 4; - CONTEXT |= line1 << 9; - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - } - if (bVal) { - GBREG->setPixel(w, h, bVal); - } - line1 = ((line1 << 1) | GBREG->getPixel(w + 3, h - 2)) & 0x0f; - line2 = ((line2 << 1) | GBREG->getPixel(w + 3, h - 1)) & 0x1f; - line3 = ((line3 << 1) | bVal) & 0x07; - } - } - } - return GBREG.release(); -} -CJBig2_Image* CJBig2_GRDProc::decode_Arith_Template2_opt3( - CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* gbContext) { - FX_BOOL LTP, SLTP, bVal; - FX_DWORD CONTEXT; - FX_DWORD line1, line2; - uint8_t* pLine, *pLine1, *pLine2, cVal; - int32_t nStride, nStride2, k; - int32_t nLineBytes, nBitsLeft, cc; - LTP = 0; - std::unique_ptr<CJBig2_Image> GBREG(new CJBig2_Image(GBW, GBH)); - if (!GBREG->m_pData) - return nullptr; - - pLine = GBREG->m_pData; - nStride = GBREG->m_nStride; - nStride2 = nStride << 1; - nLineBytes = ((GBW + 7) >> 3) - 1; - nBitsLeft = GBW - (nLineBytes << 3); - for (FX_DWORD h = 0; h < GBH; h++) { - if (TPGDON) { - SLTP = pArithDecoder->DECODE(&gbContext[0x00e5]); - LTP = LTP ^ SLTP; - } - if (LTP == 1) { - GBREG->copyLine(h, h - 1); - } else { - if (h > 1) { - pLine1 = pLine - nStride2; - pLine2 = pLine - nStride; - line1 = (*pLine1++) << 1; - line2 = *pLine2++; - CONTEXT = (line1 & 0x0380) | ((line2 >> 3) & 0x007c); - for (cc = 0; cc < nLineBytes; cc++) { - line1 = (line1 << 8) | ((*pLine1++) << 1); - line2 = (line2 << 8) | (*pLine2++); - cVal = 0; - for (k = 7; k >= 0; k--) { - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - cVal |= bVal << k; - CONTEXT = ((CONTEXT & 0x01bd) << 1) | bVal | - ((line1 >> k) & 0x0080) | ((line2 >> (k + 3)) & 0x0004); - } - pLine[cc] = cVal; - } - line1 <<= 8; - line2 <<= 8; - cVal = 0; - for (k = 0; k < nBitsLeft; k++) { - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - cVal |= bVal << (7 - k); - CONTEXT = ((CONTEXT & 0x01bd) << 1) | bVal | - ((line1 >> (7 - k)) & 0x0080) | - ((line2 >> (10 - k)) & 0x0004); - } - pLine[nLineBytes] = cVal; - } else { - pLine2 = pLine - nStride; - line2 = (h & 1) ? (*pLine2++) : 0; - CONTEXT = (line2 >> 3) & 0x007c; - for (cc = 0; cc < nLineBytes; cc++) { - if (h & 1) { - line2 = (line2 << 8) | (*pLine2++); - } - cVal = 0; - for (k = 7; k >= 0; k--) { - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - cVal |= bVal << k; - CONTEXT = ((CONTEXT & 0x01bd) << 1) | bVal | - ((line2 >> (k + 3)) & 0x0004); - } - pLine[cc] = cVal; - } - line2 <<= 8; - cVal = 0; - for (k = 0; k < nBitsLeft; k++) { - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - cVal |= bVal << (7 - k); - CONTEXT = ((CONTEXT & 0x01bd) << 1) | bVal | - (((line2 >> (10 - k))) & 0x0004); - } - pLine[nLineBytes] = cVal; - } - } - pLine += nStride; - } - return GBREG.release(); -} - -CJBig2_Image* CJBig2_GRDProc::decode_Arith_Template2_unopt( - CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* gbContext) { - FX_BOOL LTP, SLTP, bVal; - FX_DWORD CONTEXT; - FX_DWORD line1, line2, line3; - LTP = 0; - std::unique_ptr<CJBig2_Image> GBREG(new CJBig2_Image(GBW, GBH)); - GBREG->fill(0); - for (FX_DWORD h = 0; h < GBH; h++) { - if (TPGDON) { - SLTP = pArithDecoder->DECODE(&gbContext[0x00e5]); - LTP = LTP ^ SLTP; - } - if (LTP == 1) { - GBREG->copyLine(h, h - 1); - } else { - line1 = GBREG->getPixel(1, h - 2); - line1 |= GBREG->getPixel(0, h - 2) << 1; - line2 = GBREG->getPixel(1, h - 1); - line2 |= GBREG->getPixel(0, h - 1) << 1; - line3 = 0; - for (FX_DWORD w = 0; w < GBW; w++) { - if (USESKIP && SKIP->getPixel(w, h)) { - bVal = 0; - } else { - CONTEXT = line3; - CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 2; - CONTEXT |= line2 << 3; - CONTEXT |= line1 << 7; - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - } - if (bVal) { - GBREG->setPixel(w, h, bVal); - } - line1 = ((line1 << 1) | GBREG->getPixel(w + 2, h - 2)) & 0x07; - line2 = ((line2 << 1) | GBREG->getPixel(w + 2, h - 1)) & 0x0f; - line3 = ((line3 << 1) | bVal) & 0x03; - } - } - } - return GBREG.release(); -} - -CJBig2_Image* CJBig2_GRDProc::decode_Arith_Template3_opt3( - CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* gbContext) { - FX_BOOL LTP, SLTP, bVal; - FX_DWORD CONTEXT; - FX_DWORD line1; - uint8_t* pLine, *pLine1, cVal; - int32_t nStride, k; - int32_t nLineBytes, nBitsLeft, cc; - LTP = 0; - std::unique_ptr<CJBig2_Image> GBREG(new CJBig2_Image(GBW, GBH)); - if (!GBREG->m_pData) - return nullptr; - - pLine = GBREG->m_pData; - nStride = GBREG->m_nStride; - nLineBytes = ((GBW + 7) >> 3) - 1; - nBitsLeft = GBW - (nLineBytes << 3); - for (FX_DWORD h = 0; h < GBH; h++) { - if (TPGDON) { - SLTP = pArithDecoder->DECODE(&gbContext[0x0195]); - LTP = LTP ^ SLTP; - } - if (LTP == 1) { - GBREG->copyLine(h, h - 1); - } else { - if (h > 0) { - pLine1 = pLine - nStride; - line1 = *pLine1++; - CONTEXT = (line1 >> 1) & 0x03f0; - for (cc = 0; cc < nLineBytes; cc++) { - line1 = (line1 << 8) | (*pLine1++); - cVal = 0; - for (k = 7; k >= 0; k--) { - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - cVal |= bVal << k; - CONTEXT = ((CONTEXT & 0x01f7) << 1) | bVal | - ((line1 >> (k + 1)) & 0x0010); - } - pLine[cc] = cVal; - } - line1 <<= 8; - cVal = 0; - for (k = 0; k < nBitsLeft; k++) { - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - cVal |= bVal << (7 - k); - CONTEXT = - ((CONTEXT & 0x01f7) << 1) | bVal | ((line1 >> (8 - k)) & 0x0010); - } - pLine[nLineBytes] = cVal; - } else { - CONTEXT = 0; - for (cc = 0; cc < nLineBytes; cc++) { - cVal = 0; - for (k = 7; k >= 0; k--) { - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - cVal |= bVal << k; - CONTEXT = ((CONTEXT & 0x01f7) << 1) | bVal; - } - pLine[cc] = cVal; - } - cVal = 0; - for (k = 0; k < nBitsLeft; k++) { - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - cVal |= bVal << (7 - k); - CONTEXT = ((CONTEXT & 0x01f7) << 1) | bVal; - } - pLine[nLineBytes] = cVal; - } - } - pLine += nStride; - } - return GBREG.release(); -} - -CJBig2_Image* CJBig2_GRDProc::decode_Arith_Template3_unopt( - CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* gbContext) { - FX_BOOL LTP, SLTP, bVal; - FX_DWORD CONTEXT; - FX_DWORD line1, line2; - LTP = 0; - std::unique_ptr<CJBig2_Image> GBREG(new CJBig2_Image(GBW, GBH)); - GBREG->fill(0); - for (FX_DWORD h = 0; h < GBH; h++) { - if (TPGDON) { - SLTP = pArithDecoder->DECODE(&gbContext[0x0195]); - LTP = LTP ^ SLTP; - } - if (LTP == 1) { - GBREG->copyLine(h, h - 1); - } else { - line1 = GBREG->getPixel(1, h - 1); - line1 |= GBREG->getPixel(0, h - 1) << 1; - line2 = 0; - for (FX_DWORD w = 0; w < GBW; w++) { - if (USESKIP && SKIP->getPixel(w, h)) { - bVal = 0; - } else { - CONTEXT = line2; - CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 4; - CONTEXT |= line1 << 5; - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - } - if (bVal) { - GBREG->setPixel(w, h, bVal); - } - line1 = ((line1 << 1) | GBREG->getPixel(w + 2, h - 1)) & 0x1f; - line2 = ((line2 << 1) | bVal) & 0x0f; - } - } - } - return GBREG.release(); -} - -FXCODEC_STATUS CJBig2_GRDProc::Start_decode_Arith( - CJBig2_Image** pImage, - CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* gbContext, - IFX_Pause* pPause) { - if (GBW == 0 || GBH == 0) { - m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH; - return FXCODEC_STATUS_DECODE_FINISH; - } - m_ProssiveStatus = FXCODEC_STATUS_DECODE_READY; - m_pPause = pPause; - if (!*pImage) - *pImage = new CJBig2_Image(GBW, GBH); - if (!(*pImage)->m_pData) { - delete *pImage; - *pImage = nullptr; - m_ProssiveStatus = FXCODEC_STATUS_ERROR; - return FXCODEC_STATUS_ERROR; - } - m_DecodeType = 1; - m_pImage = pImage; - (*m_pImage)->fill(0); - m_pArithDecoder = pArithDecoder; - m_gbContext = gbContext; - LTP = 0; - m_pLine = nullptr; - m_loopIndex = 0; - return decode_Arith(pPause); -} - -FXCODEC_STATUS CJBig2_GRDProc::decode_Arith(IFX_Pause* pPause) { - int iline = m_loopIndex; - CJBig2_Image* pImage = *m_pImage; - if (GBTEMPLATE == 0) { - if (UseTemplate0Opt3()) { - m_ProssiveStatus = decode_Arith_Template0_opt3(pImage, m_pArithDecoder, - m_gbContext, pPause); - } else { - m_ProssiveStatus = decode_Arith_Template0_unopt(pImage, m_pArithDecoder, - m_gbContext, pPause); - } - } else if (GBTEMPLATE == 1) { - if (UseTemplate1Opt3()) { - m_ProssiveStatus = decode_Arith_Template1_opt3(pImage, m_pArithDecoder, - m_gbContext, pPause); - } else { - m_ProssiveStatus = decode_Arith_Template1_unopt(pImage, m_pArithDecoder, - m_gbContext, pPause); - } - } else if (GBTEMPLATE == 2) { - if (UseTemplate23Opt3()) { - m_ProssiveStatus = decode_Arith_Template2_opt3(pImage, m_pArithDecoder, - m_gbContext, pPause); - } else { - m_ProssiveStatus = decode_Arith_Template2_unopt(pImage, m_pArithDecoder, - m_gbContext, pPause); - } - } else { - if (UseTemplate23Opt3()) { - m_ProssiveStatus = decode_Arith_Template3_opt3(pImage, m_pArithDecoder, - m_gbContext, pPause); - } else { - m_ProssiveStatus = decode_Arith_Template3_unopt(pImage, m_pArithDecoder, - m_gbContext, pPause); - } - } - m_ReplaceRect.left = 0; - m_ReplaceRect.right = pImage->m_nWidth; - m_ReplaceRect.top = iline; - m_ReplaceRect.bottom = m_loopIndex; - if (m_ProssiveStatus == FXCODEC_STATUS_DECODE_FINISH) { - m_loopIndex = 0; - } - return m_ProssiveStatus; -} - -FXCODEC_STATUS CJBig2_GRDProc::Start_decode_MMR(CJBig2_Image** pImage, - CJBig2_BitStream* pStream, - IFX_Pause* pPause) { - int bitpos, i; - *pImage = new CJBig2_Image(GBW, GBH); - if (!(*pImage)->m_pData) { - delete (*pImage); - (*pImage) = nullptr; - m_ProssiveStatus = FXCODEC_STATUS_ERROR; - return m_ProssiveStatus; - } - bitpos = (int)pStream->getBitPos(); - FaxG4Decode(pStream->getBuf(), pStream->getLength(), &bitpos, - (*pImage)->m_pData, GBW, GBH, (*pImage)->m_nStride); - pStream->setBitPos(bitpos); - for (i = 0; (FX_DWORD)i < (*pImage)->m_nStride * GBH; i++) { - (*pImage)->m_pData[i] = ~(*pImage)->m_pData[i]; - } - m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH; - return m_ProssiveStatus; -} - -FXCODEC_STATUS CJBig2_GRDProc::Continue_decode(IFX_Pause* pPause) { - if (m_ProssiveStatus != FXCODEC_STATUS_DECODE_TOBECONTINUE) - return m_ProssiveStatus; - - if (m_DecodeType != 1) { - m_ProssiveStatus = FXCODEC_STATUS_ERROR; - return m_ProssiveStatus; - } - - return decode_Arith(pPause); -} - -FXCODEC_STATUS CJBig2_GRDProc::decode_Arith_Template0_opt3( - CJBig2_Image* pImage, - CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* gbContext, - IFX_Pause* pPause) { - FX_BOOL SLTP, bVal; - FX_DWORD CONTEXT; - FX_DWORD line1, line2; - uint8_t* pLine1, *pLine2, cVal; - int32_t nStride, nStride2, k; - int32_t nLineBytes, nBitsLeft, cc; - if (!m_pLine) { - m_pLine = pImage->m_pData; - } - nStride = pImage->m_nStride; - nStride2 = nStride << 1; - nLineBytes = ((GBW + 7) >> 3) - 1; - nBitsLeft = GBW - (nLineBytes << 3); - FX_DWORD height = GBH & 0x7fffffff; - for (; m_loopIndex < height; m_loopIndex++) { - if (TPGDON) { - SLTP = pArithDecoder->DECODE(&gbContext[0x9b25]); - LTP = LTP ^ SLTP; - } - if (LTP == 1) { - pImage->copyLine(m_loopIndex, m_loopIndex - 1); - } else { - if (m_loopIndex > 1) { - pLine1 = m_pLine - nStride2; - pLine2 = m_pLine - nStride; - line1 = (*pLine1++) << 6; - line2 = *pLine2++; - CONTEXT = ((line1 & 0xf800) | (line2 & 0x07f0)); - for (cc = 0; cc < nLineBytes; cc++) { - line1 = (line1 << 8) | ((*pLine1++) << 6); - line2 = (line2 << 8) | (*pLine2++); - cVal = 0; - for (k = 7; k >= 0; k--) { - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - cVal |= bVal << k; - CONTEXT = (((CONTEXT & 0x7bf7) << 1) | bVal | - ((line1 >> k) & 0x0800) | ((line2 >> k) & 0x0010)); - } - m_pLine[cc] = cVal; - } - line1 <<= 8; - line2 <<= 8; - cVal = 0; - for (k = 0; k < nBitsLeft; k++) { - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - cVal |= bVal << (7 - k); - CONTEXT = - (((CONTEXT & 0x7bf7) << 1) | bVal | - ((line1 >> (7 - k)) & 0x0800) | ((line2 >> (7 - k)) & 0x0010)); - } - m_pLine[nLineBytes] = cVal; - } else { - pLine2 = m_pLine - nStride; - line2 = (m_loopIndex & 1) ? (*pLine2++) : 0; - CONTEXT = (line2 & 0x07f0); - for (cc = 0; cc < nLineBytes; cc++) { - if (m_loopIndex & 1) { - line2 = (line2 << 8) | (*pLine2++); - } - cVal = 0; - for (k = 7; k >= 0; k--) { - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - cVal |= bVal << k; - CONTEXT = - (((CONTEXT & 0x7bf7) << 1) | bVal | ((line2 >> k) & 0x0010)); - } - m_pLine[cc] = cVal; - } - line2 <<= 8; - cVal = 0; - for (k = 0; k < nBitsLeft; k++) { - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - cVal |= bVal << (7 - k); - CONTEXT = (((CONTEXT & 0x7bf7) << 1) | bVal | - ((line2 >> (7 - k)) & 0x0010)); - } - m_pLine[nLineBytes] = cVal; - } - } - m_pLine += nStride; - if (pPause && pPause->NeedToPauseNow()) { - m_loopIndex++; - m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; - return FXCODEC_STATUS_DECODE_TOBECONTINUE; - } - } - m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH; - return FXCODEC_STATUS_DECODE_FINISH; -} - -FXCODEC_STATUS CJBig2_GRDProc::decode_Arith_Template0_unopt( - CJBig2_Image* pImage, - CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* gbContext, - IFX_Pause* pPause) { - FX_BOOL SLTP, bVal; - FX_DWORD CONTEXT; - FX_DWORD line1, line2, line3; - for (; m_loopIndex < GBH; m_loopIndex++) { - if (TPGDON) { - SLTP = pArithDecoder->DECODE(&gbContext[0x9b25]); - LTP = LTP ^ SLTP; - } - if (LTP == 1) { - pImage->copyLine(m_loopIndex, m_loopIndex - 1); - } else { - line1 = pImage->getPixel(1, m_loopIndex - 2); - line1 |= pImage->getPixel(0, m_loopIndex - 2) << 1; - line2 = pImage->getPixel(2, m_loopIndex - 1); - line2 |= pImage->getPixel(1, m_loopIndex - 1) << 1; - line2 |= pImage->getPixel(0, m_loopIndex - 1) << 2; - line3 = 0; - for (FX_DWORD w = 0; w < GBW; w++) { - if (USESKIP && SKIP->getPixel(w, m_loopIndex)) { - bVal = 0; - } else { - CONTEXT = line3; - CONTEXT |= pImage->getPixel(w + GBAT[0], m_loopIndex + GBAT[1]) << 4; - CONTEXT |= line2 << 5; - CONTEXT |= pImage->getPixel(w + GBAT[2], m_loopIndex + GBAT[3]) << 10; - CONTEXT |= pImage->getPixel(w + GBAT[4], m_loopIndex + GBAT[5]) << 11; - CONTEXT |= line1 << 12; - CONTEXT |= pImage->getPixel(w + GBAT[6], m_loopIndex + GBAT[7]) << 15; - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - } - if (bVal) { - pImage->setPixel(w, m_loopIndex, bVal); - } - line1 = - ((line1 << 1) | pImage->getPixel(w + 2, m_loopIndex - 2)) & 0x07; - line2 = - ((line2 << 1) | pImage->getPixel(w + 3, m_loopIndex - 1)) & 0x1f; - line3 = ((line3 << 1) | bVal) & 0x0f; - } - } - if (pPause && pPause->NeedToPauseNow()) { - m_loopIndex++; - m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; - return FXCODEC_STATUS_DECODE_TOBECONTINUE; - } - } - m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH; - return FXCODEC_STATUS_DECODE_FINISH; -} - -FXCODEC_STATUS CJBig2_GRDProc::decode_Arith_Template1_opt3( - CJBig2_Image* pImage, - CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* gbContext, - IFX_Pause* pPause) { - FX_BOOL SLTP, bVal; - FX_DWORD CONTEXT; - FX_DWORD line1, line2; - uint8_t* pLine1, *pLine2, cVal; - int32_t nStride, nStride2, k; - int32_t nLineBytes, nBitsLeft, cc; - if (!m_pLine) { - m_pLine = pImage->m_pData; - } - nStride = pImage->m_nStride; - nStride2 = nStride << 1; - nLineBytes = ((GBW + 7) >> 3) - 1; - nBitsLeft = GBW - (nLineBytes << 3); - for (; m_loopIndex < GBH; m_loopIndex++) { - if (TPGDON) { - SLTP = pArithDecoder->DECODE(&gbContext[0x0795]); - LTP = LTP ^ SLTP; - } - if (LTP == 1) { - pImage->copyLine(m_loopIndex, m_loopIndex - 1); - } else { - if (m_loopIndex > 1) { - pLine1 = m_pLine - nStride2; - pLine2 = m_pLine - nStride; - line1 = (*pLine1++) << 4; - line2 = *pLine2++; - CONTEXT = (line1 & 0x1e00) | ((line2 >> 1) & 0x01f8); - for (cc = 0; cc < nLineBytes; cc++) { - line1 = (line1 << 8) | ((*pLine1++) << 4); - line2 = (line2 << 8) | (*pLine2++); - cVal = 0; - for (k = 7; k >= 0; k--) { - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - cVal |= bVal << k; - CONTEXT = ((CONTEXT & 0x0efb) << 1) | bVal | - ((line1 >> k) & 0x0200) | ((line2 >> (k + 1)) & 0x0008); - } - m_pLine[cc] = cVal; - } - line1 <<= 8; - line2 <<= 8; - cVal = 0; - for (k = 0; k < nBitsLeft; k++) { - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - cVal |= bVal << (7 - k); - CONTEXT = ((CONTEXT & 0x0efb) << 1) | bVal | - ((line1 >> (7 - k)) & 0x0200) | - ((line2 >> (8 - k)) & 0x0008); - } - m_pLine[nLineBytes] = cVal; - } else { - pLine2 = m_pLine - nStride; - line2 = (m_loopIndex & 1) ? (*pLine2++) : 0; - CONTEXT = (line2 >> 1) & 0x01f8; - for (cc = 0; cc < nLineBytes; cc++) { - if (m_loopIndex & 1) { - line2 = (line2 << 8) | (*pLine2++); - } - cVal = 0; - for (k = 7; k >= 0; k--) { - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - cVal |= bVal << k; - CONTEXT = ((CONTEXT & 0x0efb) << 1) | bVal | - ((line2 >> (k + 1)) & 0x0008); - } - m_pLine[cc] = cVal; - } - line2 <<= 8; - cVal = 0; - for (k = 0; k < nBitsLeft; k++) { - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - cVal |= bVal << (7 - k); - CONTEXT = - ((CONTEXT & 0x0efb) << 1) | bVal | ((line2 >> (8 - k)) & 0x0008); - } - m_pLine[nLineBytes] = cVal; - } - } - m_pLine += nStride; - if (pPause && pPause->NeedToPauseNow()) { - m_loopIndex++; - m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; - return FXCODEC_STATUS_DECODE_TOBECONTINUE; - } - } - m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH; - return FXCODEC_STATUS_DECODE_FINISH; -} - -FXCODEC_STATUS CJBig2_GRDProc::decode_Arith_Template1_unopt( - CJBig2_Image* pImage, - CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* gbContext, - IFX_Pause* pPause) { - FX_BOOL SLTP, bVal; - FX_DWORD CONTEXT; - FX_DWORD line1, line2, line3; - for (FX_DWORD h = 0; h < GBH; h++) { - if (TPGDON) { - SLTP = pArithDecoder->DECODE(&gbContext[0x0795]); - LTP = LTP ^ SLTP; - } - if (LTP == 1) { - pImage->copyLine(h, h - 1); - } else { - line1 = pImage->getPixel(2, h - 2); - line1 |= pImage->getPixel(1, h - 2) << 1; - line1 |= pImage->getPixel(0, h - 2) << 2; - line2 = pImage->getPixel(2, h - 1); - line2 |= pImage->getPixel(1, h - 1) << 1; - line2 |= pImage->getPixel(0, h - 1) << 2; - line3 = 0; - for (FX_DWORD w = 0; w < GBW; w++) { - if (USESKIP && SKIP->getPixel(w, h)) { - bVal = 0; - } else { - CONTEXT = line3; - CONTEXT |= pImage->getPixel(w + GBAT[0], h + GBAT[1]) << 3; - CONTEXT |= line2 << 4; - CONTEXT |= line1 << 9; - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - } - if (bVal) { - pImage->setPixel(w, h, bVal); - } - line1 = ((line1 << 1) | pImage->getPixel(w + 3, h - 2)) & 0x0f; - line2 = ((line2 << 1) | pImage->getPixel(w + 3, h - 1)) & 0x1f; - line3 = ((line3 << 1) | bVal) & 0x07; - } - } - if (pPause && pPause->NeedToPauseNow()) { - m_loopIndex++; - m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; - return FXCODEC_STATUS_DECODE_TOBECONTINUE; - } - } - m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH; - return FXCODEC_STATUS_DECODE_FINISH; -} - -FXCODEC_STATUS CJBig2_GRDProc::decode_Arith_Template2_opt3( - CJBig2_Image* pImage, - CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* gbContext, - IFX_Pause* pPause) { - FX_BOOL SLTP, bVal; - FX_DWORD CONTEXT; - FX_DWORD line1, line2; - uint8_t* pLine1, *pLine2, cVal; - int32_t nStride, nStride2, k; - int32_t nLineBytes, nBitsLeft, cc; - if (!m_pLine) { - m_pLine = pImage->m_pData; - } - nStride = pImage->m_nStride; - nStride2 = nStride << 1; - nLineBytes = ((GBW + 7) >> 3) - 1; - nBitsLeft = GBW - (nLineBytes << 3); - for (; m_loopIndex < GBH; m_loopIndex++) { - if (TPGDON) { - SLTP = pArithDecoder->DECODE(&gbContext[0x00e5]); - LTP = LTP ^ SLTP; - } - if (LTP == 1) { - pImage->copyLine(m_loopIndex, m_loopIndex - 1); - } else { - if (m_loopIndex > 1) { - pLine1 = m_pLine - nStride2; - pLine2 = m_pLine - nStride; - line1 = (*pLine1++) << 1; - line2 = *pLine2++; - CONTEXT = (line1 & 0x0380) | ((line2 >> 3) & 0x007c); - for (cc = 0; cc < nLineBytes; cc++) { - line1 = (line1 << 8) | ((*pLine1++) << 1); - line2 = (line2 << 8) | (*pLine2++); - cVal = 0; - for (k = 7; k >= 0; k--) { - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - cVal |= bVal << k; - CONTEXT = ((CONTEXT & 0x01bd) << 1) | bVal | - ((line1 >> k) & 0x0080) | ((line2 >> (k + 3)) & 0x0004); - } - m_pLine[cc] = cVal; - } - line1 <<= 8; - line2 <<= 8; - cVal = 0; - for (k = 0; k < nBitsLeft; k++) { - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - cVal |= bVal << (7 - k); - CONTEXT = ((CONTEXT & 0x01bd) << 1) | bVal | - ((line1 >> (7 - k)) & 0x0080) | - ((line2 >> (10 - k)) & 0x0004); - } - m_pLine[nLineBytes] = cVal; - } else { - pLine2 = m_pLine - nStride; - line2 = (m_loopIndex & 1) ? (*pLine2++) : 0; - CONTEXT = (line2 >> 3) & 0x007c; - for (cc = 0; cc < nLineBytes; cc++) { - if (m_loopIndex & 1) { - line2 = (line2 << 8) | (*pLine2++); - } - cVal = 0; - for (k = 7; k >= 0; k--) { - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - cVal |= bVal << k; - CONTEXT = ((CONTEXT & 0x01bd) << 1) | bVal | - ((line2 >> (k + 3)) & 0x0004); - } - m_pLine[cc] = cVal; - } - line2 <<= 8; - cVal = 0; - for (k = 0; k < nBitsLeft; k++) { - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - cVal |= bVal << (7 - k); - CONTEXT = ((CONTEXT & 0x01bd) << 1) | bVal | - (((line2 >> (10 - k))) & 0x0004); - } - m_pLine[nLineBytes] = cVal; - } - } - m_pLine += nStride; - if (pPause && m_loopIndex % 50 == 0 && pPause->NeedToPauseNow()) { - m_loopIndex++; - m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; - return FXCODEC_STATUS_DECODE_TOBECONTINUE; - } - } - m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH; - return FXCODEC_STATUS_DECODE_FINISH; -} - -FXCODEC_STATUS CJBig2_GRDProc::decode_Arith_Template2_unopt( - CJBig2_Image* pImage, - CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* gbContext, - IFX_Pause* pPause) { - FX_BOOL SLTP, bVal; - FX_DWORD CONTEXT; - FX_DWORD line1, line2, line3; - for (; m_loopIndex < GBH; m_loopIndex++) { - if (TPGDON) { - SLTP = pArithDecoder->DECODE(&gbContext[0x00e5]); - LTP = LTP ^ SLTP; - } - if (LTP == 1) { - pImage->copyLine(m_loopIndex, m_loopIndex - 1); - } else { - line1 = pImage->getPixel(1, m_loopIndex - 2); - line1 |= pImage->getPixel(0, m_loopIndex - 2) << 1; - line2 = pImage->getPixel(1, m_loopIndex - 1); - line2 |= pImage->getPixel(0, m_loopIndex - 1) << 1; - line3 = 0; - for (FX_DWORD w = 0; w < GBW; w++) { - if (USESKIP && SKIP->getPixel(w, m_loopIndex)) { - bVal = 0; - } else { - CONTEXT = line3; - CONTEXT |= pImage->getPixel(w + GBAT[0], m_loopIndex + GBAT[1]) << 2; - CONTEXT |= line2 << 3; - CONTEXT |= line1 << 7; - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - } - if (bVal) { - pImage->setPixel(w, m_loopIndex, bVal); - } - line1 = - ((line1 << 1) | pImage->getPixel(w + 2, m_loopIndex - 2)) & 0x07; - line2 = - ((line2 << 1) | pImage->getPixel(w + 2, m_loopIndex - 1)) & 0x0f; - line3 = ((line3 << 1) | bVal) & 0x03; - } - } - if (pPause && pPause->NeedToPauseNow()) { - m_loopIndex++; - m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; - return FXCODEC_STATUS_DECODE_TOBECONTINUE; - } - } - m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH; - return FXCODEC_STATUS_DECODE_FINISH; -} - -FXCODEC_STATUS CJBig2_GRDProc::decode_Arith_Template3_opt3( - CJBig2_Image* pImage, - CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* gbContext, - IFX_Pause* pPause) { - FX_BOOL SLTP, bVal; - FX_DWORD CONTEXT; - FX_DWORD line1; - uint8_t* pLine1, cVal; - int32_t nStride, k; - int32_t nLineBytes, nBitsLeft, cc; - if (!m_pLine) { - m_pLine = pImage->m_pData; - } - nStride = pImage->m_nStride; - nLineBytes = ((GBW + 7) >> 3) - 1; - nBitsLeft = GBW - (nLineBytes << 3); - for (; m_loopIndex < GBH; m_loopIndex++) { - if (TPGDON) { - SLTP = pArithDecoder->DECODE(&gbContext[0x0195]); - LTP = LTP ^ SLTP; - } - if (LTP == 1) { - pImage->copyLine(m_loopIndex, m_loopIndex - 1); - } else { - if (m_loopIndex > 0) { - pLine1 = m_pLine - nStride; - line1 = *pLine1++; - CONTEXT = (line1 >> 1) & 0x03f0; - for (cc = 0; cc < nLineBytes; cc++) { - line1 = (line1 << 8) | (*pLine1++); - cVal = 0; - for (k = 7; k >= 0; k--) { - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - cVal |= bVal << k; - CONTEXT = ((CONTEXT & 0x01f7) << 1) | bVal | - ((line1 >> (k + 1)) & 0x0010); - } - m_pLine[cc] = cVal; - } - line1 <<= 8; - cVal = 0; - for (k = 0; k < nBitsLeft; k++) { - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - cVal |= bVal << (7 - k); - CONTEXT = - ((CONTEXT & 0x01f7) << 1) | bVal | ((line1 >> (8 - k)) & 0x0010); - } - m_pLine[nLineBytes] = cVal; - } else { - CONTEXT = 0; - for (cc = 0; cc < nLineBytes; cc++) { - cVal = 0; - for (k = 7; k >= 0; k--) { - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - cVal |= bVal << k; - CONTEXT = ((CONTEXT & 0x01f7) << 1) | bVal; - } - m_pLine[cc] = cVal; - } - cVal = 0; - for (k = 0; k < nBitsLeft; k++) { - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - cVal |= bVal << (7 - k); - CONTEXT = ((CONTEXT & 0x01f7) << 1) | bVal; - } - m_pLine[nLineBytes] = cVal; - } - } - m_pLine += nStride; - if (pPause && pPause->NeedToPauseNow()) { - m_loopIndex++; - m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; - return FXCODEC_STATUS_DECODE_TOBECONTINUE; - } - } - m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH; - return FXCODEC_STATUS_DECODE_FINISH; -} - -FXCODEC_STATUS CJBig2_GRDProc::decode_Arith_Template3_unopt( - CJBig2_Image* pImage, - CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* gbContext, - IFX_Pause* pPause) { - FX_BOOL SLTP, bVal; - FX_DWORD CONTEXT; - FX_DWORD line1, line2; - for (; m_loopIndex < GBH; m_loopIndex++) { - if (TPGDON) { - SLTP = pArithDecoder->DECODE(&gbContext[0x0195]); - LTP = LTP ^ SLTP; - } - if (LTP == 1) { - pImage->copyLine(m_loopIndex, m_loopIndex - 1); - } else { - line1 = pImage->getPixel(1, m_loopIndex - 1); - line1 |= pImage->getPixel(0, m_loopIndex - 1) << 1; - line2 = 0; - for (FX_DWORD w = 0; w < GBW; w++) { - if (USESKIP && SKIP->getPixel(w, m_loopIndex)) { - bVal = 0; - } else { - CONTEXT = line2; - CONTEXT |= pImage->getPixel(w + GBAT[0], m_loopIndex + GBAT[1]) << 4; - CONTEXT |= line1 << 5; - bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); - } - if (bVal) { - pImage->setPixel(w, m_loopIndex, bVal); - } - line1 = - ((line1 << 1) | pImage->getPixel(w + 2, m_loopIndex - 1)) & 0x1f; - line2 = ((line2 << 1) | bVal) & 0x0f; - } - } - if (pPause && pPause->NeedToPauseNow()) { - m_loopIndex++; - m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; - return FXCODEC_STATUS_DECODE_TOBECONTINUE; - } - } - m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH; - return FXCODEC_STATUS_DECODE_FINISH; -} diff --git a/core/src/fxcodec/jbig2/JBig2_GrdProc.h b/core/src/fxcodec/jbig2/JBig2_GrdProc.h deleted file mode 100644 index 07f28cca6d..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_GrdProc.h +++ /dev/null @@ -1,124 +0,0 @@ -// Copyright 2015 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_SRC_FXCODEC_JBIG2_JBIG2_GRDPROC_H_ -#define CORE_SRC_FXCODEC_JBIG2_JBIG2_GRDPROC_H_ - -#include "core/include/fxcodec/fx_codec_def.h" -#include "core/include/fxcrt/fx_coordinates.h" -#include "core/include/fxcrt/fx_system.h" - -class CJBig2_ArithDecoder; -class CJBig2_BitStream; -class CJBig2_Image; -class IFX_Pause; -struct JBig2ArithCtx; - -class CJBig2_GRDProc { - public: - CJBig2_GRDProc(); - - CJBig2_Image* decode_Arith(CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* gbContext); - - FXCODEC_STATUS Start_decode_Arith(CJBig2_Image** pImage, - CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* gbContext, - IFX_Pause* pPause); - FXCODEC_STATUS Start_decode_MMR(CJBig2_Image** pImage, - CJBig2_BitStream* pStream, - IFX_Pause* pPause); - FXCODEC_STATUS Continue_decode(IFX_Pause* pPause); - FX_RECT GetReplaceRect() const { return m_ReplaceRect; } - - FX_BOOL MMR; - FX_DWORD GBW; - FX_DWORD GBH; - uint8_t GBTEMPLATE; - FX_BOOL TPGDON; - FX_BOOL USESKIP; - CJBig2_Image* SKIP; - int8_t GBAT[8]; - - private: - bool UseTemplate0Opt3() const; - bool UseTemplate1Opt3() const; - bool UseTemplate23Opt3() const; - - FXCODEC_STATUS decode_Arith(IFX_Pause* pPause); - FXCODEC_STATUS decode_Arith_Template0_opt3(CJBig2_Image* pImage, - CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* gbContext, - IFX_Pause* pPause); - FXCODEC_STATUS decode_Arith_Template0_unopt( - CJBig2_Image* pImage, - CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* gbContext, - IFX_Pause* pPause); - FXCODEC_STATUS decode_Arith_Template1_opt3(CJBig2_Image* pImage, - CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* gbContext, - IFX_Pause* pPause); - FXCODEC_STATUS decode_Arith_Template1_unopt( - CJBig2_Image* pImage, - CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* gbContext, - IFX_Pause* pPause); - FXCODEC_STATUS decode_Arith_Template2_opt3(CJBig2_Image* pImage, - CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* gbContext, - IFX_Pause* pPause); - FXCODEC_STATUS decode_Arith_Template2_unopt( - CJBig2_Image* pImage, - CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* gbContext, - IFX_Pause* pPause); - FXCODEC_STATUS decode_Arith_Template3_opt3(CJBig2_Image* pImage, - CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* gbContext, - IFX_Pause* pPause); - FXCODEC_STATUS decode_Arith_Template3_unopt( - CJBig2_Image* pImage, - CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* gbContext, - IFX_Pause* pPause); - CJBig2_Image* decode_Arith_Template0_opt3(CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* gbContext); - - CJBig2_Image* decode_Arith_Template0_unopt(CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* gbContext); - - CJBig2_Image* decode_Arith_Template1_opt3(CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* gbContext); - - CJBig2_Image* decode_Arith_Template1_unopt(CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* gbContext); - - CJBig2_Image* decode_Arith_Template2_opt3(CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* gbContext); - - CJBig2_Image* decode_Arith_Template2_unopt(CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* gbContext); - - CJBig2_Image* decode_Arith_Template3_opt3(CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* gbContext); - - CJBig2_Image* decode_Arith_Template3_unopt(CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* gbContext); - - FX_DWORD m_loopIndex; - uint8_t* m_pLine; - IFX_Pause* m_pPause; - FXCODEC_STATUS m_ProssiveStatus; - CJBig2_Image** m_pImage; - CJBig2_ArithDecoder* m_pArithDecoder; - JBig2ArithCtx* m_gbContext; - FX_WORD m_DecodeType; - FX_BOOL LTP; - FX_RECT m_ReplaceRect; -}; - -#endif // CORE_SRC_FXCODEC_JBIG2_JBIG2_GRDPROC_H_ diff --git a/core/src/fxcodec/jbig2/JBig2_GrrdProc.cpp b/core/src/fxcodec/jbig2/JBig2_GrrdProc.cpp deleted file mode 100644 index eaa9a76608..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_GrrdProc.cpp +++ /dev/null @@ -1,516 +0,0 @@ -// Copyright 2015 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 "core/src/fxcodec/jbig2/JBig2_GrrdProc.h" - -#include <memory> - -#include "core/src/fxcodec/jbig2/JBig2_ArithDecoder.h" -#include "core/src/fxcodec/jbig2/JBig2_BitStream.h" -#include "core/src/fxcodec/jbig2/JBig2_Image.h" - -CJBig2_Image* CJBig2_GRRDProc::decode(CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* grContext) { - if (GRW == 0 || GRH == 0) - return new CJBig2_Image(GRW, GRH); - - if (GRTEMPLATE == 0) { - if ((GRAT[0] == -1) && (GRAT[1] == -1) && (GRAT[2] == -1) && - (GRAT[3] == -1) && (GRREFERENCEDX == 0) && - (GRW == (FX_DWORD)GRREFERENCE->m_nWidth)) { - return decode_Template0_opt(pArithDecoder, grContext); - } - return decode_Template0_unopt(pArithDecoder, grContext); - } - - if ((GRREFERENCEDX == 0) && (GRW == (FX_DWORD)GRREFERENCE->m_nWidth)) - return decode_Template1_opt(pArithDecoder, grContext); - return decode_Template1_unopt(pArithDecoder, grContext); -} - -CJBig2_Image* CJBig2_GRRDProc::decode_Template0_unopt( - CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* grContext) { - FX_BOOL LTP, SLTP, bVal; - FX_DWORD CONTEXT; - FX_DWORD line1, line2, line3, line4, line5; - LTP = 0; - std::unique_ptr<CJBig2_Image> GRREG(new CJBig2_Image(GRW, GRH)); - GRREG->fill(0); - for (FX_DWORD h = 0; h < GRH; h++) { - if (TPGRON) { - SLTP = pArithDecoder->DECODE(&grContext[0x0010]); - LTP = LTP ^ SLTP; - } - if (LTP == 0) { - line1 = GRREG->getPixel(1, h - 1); - line1 |= GRREG->getPixel(0, h - 1) << 1; - line2 = 0; - line3 = GRREFERENCE->getPixel(-GRREFERENCEDX + 1, h - GRREFERENCEDY - 1); - line3 |= GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY - 1) - << 1; - line4 = GRREFERENCE->getPixel(-GRREFERENCEDX + 1, h - GRREFERENCEDY); - line4 |= GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY) << 1; - line4 |= GRREFERENCE->getPixel(-GRREFERENCEDX - 1, h - GRREFERENCEDY) - << 2; - line5 = GRREFERENCE->getPixel(-GRREFERENCEDX + 1, h - GRREFERENCEDY + 1); - line5 |= GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY + 1) - << 1; - line5 |= GRREFERENCE->getPixel(-GRREFERENCEDX - 1, h - GRREFERENCEDY + 1) - << 2; - for (FX_DWORD w = 0; w < GRW; w++) { - CONTEXT = line5; - CONTEXT |= line4 << 3; - CONTEXT |= line3 << 6; - CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + GRAT[2], - h - GRREFERENCEDY + GRAT[3]) - << 8; - CONTEXT |= line2 << 9; - CONTEXT |= line1 << 10; - CONTEXT |= GRREG->getPixel(w + GRAT[0], h + GRAT[1]) << 12; - bVal = pArithDecoder->DECODE(&grContext[CONTEXT]); - GRREG->setPixel(w, h, bVal); - line1 = ((line1 << 1) | GRREG->getPixel(w + 2, h - 1)) & 0x03; - line2 = ((line2 << 1) | bVal) & 0x01; - line3 = ((line3 << 1) | - GRREFERENCE->getPixel(w - GRREFERENCEDX + 2, - h - GRREFERENCEDY - 1)) & - 0x03; - line4 = - ((line4 << 1) | - GRREFERENCE->getPixel(w - GRREFERENCEDX + 2, h - GRREFERENCEDY)) & - 0x07; - line5 = ((line5 << 1) | - GRREFERENCE->getPixel(w - GRREFERENCEDX + 2, - h - GRREFERENCEDY + 1)) & - 0x07; - } - } else { - line1 = GRREG->getPixel(1, h - 1); - line1 |= GRREG->getPixel(0, h - 1) << 1; - line2 = 0; - line3 = GRREFERENCE->getPixel(-GRREFERENCEDX + 1, h - GRREFERENCEDY - 1); - line3 |= GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY - 1) - << 1; - line4 = GRREFERENCE->getPixel(-GRREFERENCEDX + 1, h - GRREFERENCEDY); - line4 |= GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY) << 1; - line4 |= GRREFERENCE->getPixel(-GRREFERENCEDX - 1, h - GRREFERENCEDY) - << 2; - line5 = GRREFERENCE->getPixel(-GRREFERENCEDX + 1, h - GRREFERENCEDY + 1); - line5 |= GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY + 1) - << 1; - line5 |= GRREFERENCE->getPixel(-GRREFERENCEDX - 1, h - GRREFERENCEDY + 1) - << 2; - for (FX_DWORD w = 0; w < GRW; w++) { - bVal = GRREFERENCE->getPixel(w, h); - if (!(TPGRON && (bVal == GRREFERENCE->getPixel(w - 1, h - 1)) && - (bVal == GRREFERENCE->getPixel(w, h - 1)) && - (bVal == GRREFERENCE->getPixel(w + 1, h - 1)) && - (bVal == GRREFERENCE->getPixel(w - 1, h)) && - (bVal == GRREFERENCE->getPixel(w + 1, h)) && - (bVal == GRREFERENCE->getPixel(w - 1, h + 1)) && - (bVal == GRREFERENCE->getPixel(w, h + 1)) && - (bVal == GRREFERENCE->getPixel(w + 1, h + 1)))) { - CONTEXT = line5; - CONTEXT |= line4 << 3; - CONTEXT |= line3 << 6; - CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + GRAT[2], - h - GRREFERENCEDY + GRAT[3]) - << 8; - CONTEXT |= line2 << 9; - CONTEXT |= line1 << 10; - CONTEXT |= GRREG->getPixel(w + GRAT[0], h + GRAT[1]) << 12; - bVal = pArithDecoder->DECODE(&grContext[CONTEXT]); - } - GRREG->setPixel(w, h, bVal); - line1 = ((line1 << 1) | GRREG->getPixel(w + 2, h - 1)) & 0x03; - line2 = ((line2 << 1) | bVal) & 0x01; - line3 = ((line3 << 1) | - GRREFERENCE->getPixel(w - GRREFERENCEDX + 2, - h - GRREFERENCEDY - 1)) & - 0x03; - line4 = - ((line4 << 1) | - GRREFERENCE->getPixel(w - GRREFERENCEDX + 2, h - GRREFERENCEDY)) & - 0x07; - line5 = ((line5 << 1) | - GRREFERENCE->getPixel(w - GRREFERENCEDX + 2, - h - GRREFERENCEDY + 1)) & - 0x07; - } - } - } - return GRREG.release(); -} - -CJBig2_Image* CJBig2_GRRDProc::decode_Template0_opt( - CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* grContext) { - if (!GRREFERENCE->m_pData) - return nullptr; - - FX_BOOL LTP, SLTP, bVal; - FX_DWORD CONTEXT; - FX_DWORD line1, line1_r, line2_r, line3_r; - uint8_t* pLine, *pLineR, cVal; - intptr_t nStride, nStrideR, nOffset; - int32_t k, nBits; - int32_t GRWR, GRHR; - int32_t GRW, GRH; - GRW = (int32_t)CJBig2_GRRDProc::GRW; - GRH = (int32_t)CJBig2_GRRDProc::GRH; - LTP = 0; - std::unique_ptr<CJBig2_Image> GRREG(new CJBig2_Image(GRW, GRH)); - if (!GRREG->m_pData) - return nullptr; - - pLine = GRREG->m_pData; - pLineR = GRREFERENCE->m_pData; - nStride = GRREG->m_nStride; - nStrideR = GRREFERENCE->m_nStride; - GRWR = (int32_t)GRREFERENCE->m_nWidth; - GRHR = (int32_t)GRREFERENCE->m_nHeight; - if (GRREFERENCEDY < -GRHR + 1 || GRREFERENCEDY > GRHR - 1) { - GRREFERENCEDY = 0; - } - nOffset = -GRREFERENCEDY * nStrideR; - for (int32_t h = 0; h < GRH; h++) { - if (TPGRON) { - SLTP = pArithDecoder->DECODE(&grContext[0x0010]); - LTP = LTP ^ SLTP; - } - line1 = (h > 0) ? pLine[-nStride] << 4 : 0; - int32_t reference_h = h - GRREFERENCEDY; - FX_BOOL line1_r_ok = (reference_h > 0 && reference_h < GRHR + 1); - FX_BOOL line2_r_ok = (reference_h > -1 && reference_h < GRHR); - FX_BOOL line3_r_ok = (reference_h > -2 && reference_h < GRHR - 1); - line1_r = line1_r_ok ? pLineR[nOffset - nStrideR] : 0; - line2_r = line2_r_ok ? pLineR[nOffset] : 0; - line3_r = line3_r_ok ? pLineR[nOffset + nStrideR] : 0; - if (LTP == 0) { - CONTEXT = (line1 & 0x1c00) | (line1_r & 0x01c0) | - ((line2_r >> 3) & 0x0038) | ((line3_r >> 6) & 0x0007); - for (int32_t w = 0; w < GRW; w += 8) { - nBits = GRW - w > 8 ? 8 : GRW - w; - if (h > 0) - line1 = (line1 << 8) | - (w + 8 < GRW ? pLine[-nStride + (w >> 3) + 1] << 4 : 0); - if (h > GRHR + GRREFERENCEDY + 1) { - line1_r = 0; - line2_r = 0; - line3_r = 0; - } else { - if (line1_r_ok) - line1_r = - (line1_r << 8) | - (w + 8 < GRWR ? pLineR[nOffset - nStrideR + (w >> 3) + 1] : 0); - if (line2_r_ok) - line2_r = (line2_r << 8) | - (w + 8 < GRWR ? pLineR[nOffset + (w >> 3) + 1] : 0); - if (line3_r_ok) { - line3_r = - (line3_r << 8) | - (w + 8 < GRWR ? pLineR[nOffset + nStrideR + (w >> 3) + 1] : 0); - } else { - line3_r = 0; - } - } - cVal = 0; - for (k = 0; k < nBits; k++) { - bVal = pArithDecoder->DECODE(&grContext[CONTEXT]); - cVal |= bVal << (7 - k); - CONTEXT = ((CONTEXT & 0x0cdb) << 1) | (bVal << 9) | - ((line1 >> (7 - k)) & 0x0400) | - ((line1_r >> (7 - k)) & 0x0040) | - ((line2_r >> (10 - k)) & 0x0008) | - ((line3_r >> (13 - k)) & 0x0001); - } - pLine[w >> 3] = cVal; - } - } else { - CONTEXT = (line1 & 0x1c00) | (line1_r & 0x01c0) | - ((line2_r >> 3) & 0x0038) | ((line3_r >> 6) & 0x0007); - for (int32_t w = 0; w < GRW; w += 8) { - nBits = GRW - w > 8 ? 8 : GRW - w; - if (h > 0) - line1 = (line1 << 8) | - (w + 8 < GRW ? pLine[-nStride + (w >> 3) + 1] << 4 : 0); - if (line1_r_ok) - line1_r = - (line1_r << 8) | - (w + 8 < GRWR ? pLineR[nOffset - nStrideR + (w >> 3) + 1] : 0); - if (line2_r_ok) - line2_r = (line2_r << 8) | - (w + 8 < GRWR ? pLineR[nOffset + (w >> 3) + 1] : 0); - if (line3_r_ok) { - line3_r = - (line3_r << 8) | - (w + 8 < GRWR ? pLineR[nOffset + nStrideR + (w >> 3) + 1] : 0); - } else { - line3_r = 0; - } - cVal = 0; - for (k = 0; k < nBits; k++) { - bVal = GRREFERENCE->getPixel(w + k, h); - if (!(TPGRON && (bVal == GRREFERENCE->getPixel(w + k - 1, h - 1)) && - (bVal == GRREFERENCE->getPixel(w + k, h - 1)) && - (bVal == GRREFERENCE->getPixel(w + k + 1, h - 1)) && - (bVal == GRREFERENCE->getPixel(w + k - 1, h)) && - (bVal == GRREFERENCE->getPixel(w + k + 1, h)) && - (bVal == GRREFERENCE->getPixel(w + k - 1, h + 1)) && - (bVal == GRREFERENCE->getPixel(w + k, h + 1)) && - (bVal == GRREFERENCE->getPixel(w + k + 1, h + 1)))) { - bVal = pArithDecoder->DECODE(&grContext[CONTEXT]); - } - cVal |= bVal << (7 - k); - CONTEXT = ((CONTEXT & 0x0cdb) << 1) | (bVal << 9) | - ((line1 >> (7 - k)) & 0x0400) | - ((line1_r >> (7 - k)) & 0x0040) | - ((line2_r >> (10 - k)) & 0x0008) | - ((line3_r >> (13 - k)) & 0x0001); - } - pLine[w >> 3] = cVal; - } - } - pLine += nStride; - if (h < GRHR + GRREFERENCEDY) { - pLineR += nStrideR; - } - } - return GRREG.release(); -} - -CJBig2_Image* CJBig2_GRRDProc::decode_Template1_unopt( - CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* grContext) { - FX_BOOL LTP, SLTP, bVal; - FX_DWORD CONTEXT; - FX_DWORD line1, line2, line3, line4, line5; - LTP = 0; - std::unique_ptr<CJBig2_Image> GRREG(new CJBig2_Image(GRW, GRH)); - GRREG->fill(0); - for (FX_DWORD h = 0; h < GRH; h++) { - if (TPGRON) { - SLTP = pArithDecoder->DECODE(&grContext[0x0008]); - LTP = LTP ^ SLTP; - } - if (LTP == 0) { - line1 = GRREG->getPixel(1, h - 1); - line1 |= GRREG->getPixel(0, h - 1) << 1; - line1 |= GRREG->getPixel(-1, h - 1) << 2; - line2 = 0; - line3 = GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY - 1); - line4 = GRREFERENCE->getPixel(-GRREFERENCEDX + 1, h - GRREFERENCEDY); - line4 |= GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY) << 1; - line4 |= GRREFERENCE->getPixel(-GRREFERENCEDX - 1, h - GRREFERENCEDY) - << 2; - line5 = GRREFERENCE->getPixel(-GRREFERENCEDX + 1, h - GRREFERENCEDY + 1); - line5 |= GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY + 1) - << 1; - for (FX_DWORD w = 0; w < GRW; w++) { - CONTEXT = line5; - CONTEXT |= line4 << 2; - CONTEXT |= line3 << 5; - CONTEXT |= line2 << 6; - CONTEXT |= line1 << 7; - bVal = pArithDecoder->DECODE(&grContext[CONTEXT]); - GRREG->setPixel(w, h, bVal); - line1 = ((line1 << 1) | GRREG->getPixel(w + 2, h - 1)) & 0x07; - line2 = ((line2 << 1) | bVal) & 0x01; - line3 = ((line3 << 1) | - GRREFERENCE->getPixel(w - GRREFERENCEDX + 1, - h - GRREFERENCEDY - 1)) & - 0x01; - line4 = - ((line4 << 1) | - GRREFERENCE->getPixel(w - GRREFERENCEDX + 2, h - GRREFERENCEDY)) & - 0x07; - line5 = ((line5 << 1) | - GRREFERENCE->getPixel(w - GRREFERENCEDX + 2, - h - GRREFERENCEDY + 1)) & - 0x03; - } - } else { - line1 = GRREG->getPixel(1, h - 1); - line1 |= GRREG->getPixel(0, h - 1) << 1; - line1 |= GRREG->getPixel(-1, h - 1) << 2; - line2 = 0; - line3 = GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY - 1); - line4 = GRREFERENCE->getPixel(-GRREFERENCEDX + 1, h - GRREFERENCEDY); - line4 |= GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY) << 1; - line4 |= GRREFERENCE->getPixel(-GRREFERENCEDX - 1, h - GRREFERENCEDY) - << 2; - line5 = GRREFERENCE->getPixel(-GRREFERENCEDX + 1, h - GRREFERENCEDY + 1); - line5 |= GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY + 1) - << 1; - for (FX_DWORD w = 0; w < GRW; w++) { - bVal = GRREFERENCE->getPixel(w, h); - if (!(TPGRON && (bVal == GRREFERENCE->getPixel(w - 1, h - 1)) && - (bVal == GRREFERENCE->getPixel(w, h - 1)) && - (bVal == GRREFERENCE->getPixel(w + 1, h - 1)) && - (bVal == GRREFERENCE->getPixel(w - 1, h)) && - (bVal == GRREFERENCE->getPixel(w + 1, h)) && - (bVal == GRREFERENCE->getPixel(w - 1, h + 1)) && - (bVal == GRREFERENCE->getPixel(w, h + 1)) && - (bVal == GRREFERENCE->getPixel(w + 1, h + 1)))) { - CONTEXT = line5; - CONTEXT |= line4 << 2; - CONTEXT |= line3 << 5; - CONTEXT |= line2 << 6; - CONTEXT |= line1 << 7; - bVal = pArithDecoder->DECODE(&grContext[CONTEXT]); - } - GRREG->setPixel(w, h, bVal); - line1 = ((line1 << 1) | GRREG->getPixel(w + 2, h - 1)) & 0x07; - line2 = ((line2 << 1) | bVal) & 0x01; - line3 = ((line3 << 1) | - GRREFERENCE->getPixel(w - GRREFERENCEDX + 1, - h - GRREFERENCEDY - 1)) & - 0x01; - line4 = - ((line4 << 1) | - GRREFERENCE->getPixel(w - GRREFERENCEDX + 2, h - GRREFERENCEDY)) & - 0x07; - line5 = ((line5 << 1) | - GRREFERENCE->getPixel(w - GRREFERENCEDX + 2, - h - GRREFERENCEDY + 1)) & - 0x03; - } - } - } - return GRREG.release(); -} - -CJBig2_Image* CJBig2_GRRDProc::decode_Template1_opt( - CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* grContext) { - if (!GRREFERENCE->m_pData) - return nullptr; - - FX_BOOL LTP, SLTP, bVal; - FX_DWORD CONTEXT; - FX_DWORD line1, line1_r, line2_r, line3_r; - uint8_t* pLine, *pLineR, cVal; - intptr_t nStride, nStrideR, nOffset; - int32_t k, nBits; - int32_t GRWR, GRHR; - int32_t GRW, GRH; - GRW = (int32_t)CJBig2_GRRDProc::GRW; - GRH = (int32_t)CJBig2_GRRDProc::GRH; - LTP = 0; - std::unique_ptr<CJBig2_Image> GRREG(new CJBig2_Image(GRW, GRH)); - if (!GRREG->m_pData) - return nullptr; - - pLine = GRREG->m_pData; - pLineR = GRREFERENCE->m_pData; - nStride = GRREG->m_nStride; - nStrideR = GRREFERENCE->m_nStride; - GRWR = (int32_t)GRREFERENCE->m_nWidth; - GRHR = (int32_t)GRREFERENCE->m_nHeight; - if (GRREFERENCEDY < -GRHR + 1 || GRREFERENCEDY > GRHR - 1) { - GRREFERENCEDY = 0; - } - nOffset = -GRREFERENCEDY * nStrideR; - for (int32_t h = 0; h < GRH; h++) { - if (TPGRON) { - SLTP = pArithDecoder->DECODE(&grContext[0x0008]); - LTP = LTP ^ SLTP; - } - line1 = (h > 0) ? pLine[-nStride] << 1 : 0; - int32_t reference_h = h - GRREFERENCEDY; - FX_BOOL line1_r_ok = (reference_h > 0 && reference_h < GRHR + 1); - FX_BOOL line2_r_ok = (reference_h > -1 && reference_h < GRHR); - FX_BOOL line3_r_ok = (reference_h > -2 && reference_h < GRHR - 1); - line1_r = line1_r_ok ? pLineR[nOffset - nStrideR] : 0; - line2_r = line2_r_ok ? pLineR[nOffset] : 0; - line3_r = line3_r_ok ? pLineR[nOffset + nStrideR] : 0; - if (LTP == 0) { - CONTEXT = (line1 & 0x0380) | ((line1_r >> 2) & 0x0020) | - ((line2_r >> 4) & 0x001c) | ((line3_r >> 6) & 0x0003); - for (int32_t w = 0; w < GRW; w += 8) { - nBits = GRW - w > 8 ? 8 : GRW - w; - if (h > 0) - line1 = (line1 << 8) | - (w + 8 < GRW ? pLine[-nStride + (w >> 3) + 1] << 1 : 0); - if (line1_r_ok) - line1_r = - (line1_r << 8) | - (w + 8 < GRWR ? pLineR[nOffset - nStrideR + (w >> 3) + 1] : 0); - if (line2_r_ok) - line2_r = (line2_r << 8) | - (w + 8 < GRWR ? pLineR[nOffset + (w >> 3) + 1] : 0); - if (line3_r_ok) { - line3_r = - (line3_r << 8) | - (w + 8 < GRWR ? pLineR[nOffset + nStrideR + (w >> 3) + 1] : 0); - } else { - line3_r = 0; - } - cVal = 0; - for (k = 0; k < nBits; k++) { - bVal = pArithDecoder->DECODE(&grContext[CONTEXT]); - cVal |= bVal << (7 - k); - CONTEXT = ((CONTEXT & 0x018d) << 1) | (bVal << 6) | - ((line1 >> (7 - k)) & 0x0080) | - ((line1_r >> (9 - k)) & 0x0020) | - ((line2_r >> (11 - k)) & 0x0004) | - ((line3_r >> (13 - k)) & 0x0001); - } - pLine[w >> 3] = cVal; - } - } else { - CONTEXT = (line1 & 0x0380) | ((line1_r >> 2) & 0x0020) | - ((line2_r >> 4) & 0x001c) | ((line3_r >> 6) & 0x0003); - for (int32_t w = 0; w < GRW; w += 8) { - nBits = GRW - w > 8 ? 8 : GRW - w; - if (h > 0) - line1 = (line1 << 8) | - (w + 8 < GRW ? pLine[-nStride + (w >> 3) + 1] << 1 : 0); - if (line1_r_ok) - line1_r = - (line1_r << 8) | - (w + 8 < GRWR ? pLineR[nOffset - nStrideR + (w >> 3) + 1] : 0); - if (line2_r_ok) - line2_r = (line2_r << 8) | - (w + 8 < GRWR ? pLineR[nOffset + (w >> 3) + 1] : 0); - if (line3_r_ok) { - line3_r = - (line3_r << 8) | - (w + 8 < GRWR ? pLineR[nOffset + nStrideR + (w >> 3) + 1] : 0); - } else { - line3_r = 0; - } - cVal = 0; - for (k = 0; k < nBits; k++) { - bVal = GRREFERENCE->getPixel(w + k, h); - if (!(TPGRON && (bVal == GRREFERENCE->getPixel(w + k - 1, h - 1)) && - (bVal == GRREFERENCE->getPixel(w + k, h - 1)) && - (bVal == GRREFERENCE->getPixel(w + k + 1, h - 1)) && - (bVal == GRREFERENCE->getPixel(w + k - 1, h)) && - (bVal == GRREFERENCE->getPixel(w + k + 1, h)) && - (bVal == GRREFERENCE->getPixel(w + k - 1, h + 1)) && - (bVal == GRREFERENCE->getPixel(w + k, h + 1)) && - (bVal == GRREFERENCE->getPixel(w + k + 1, h + 1)))) { - bVal = pArithDecoder->DECODE(&grContext[CONTEXT]); - } - cVal |= bVal << (7 - k); - CONTEXT = ((CONTEXT & 0x018d) << 1) | (bVal << 6) | - ((line1 >> (7 - k)) & 0x0080) | - ((line1_r >> (9 - k)) & 0x0020) | - ((line2_r >> (11 - k)) & 0x0004) | - ((line3_r >> (13 - k)) & 0x0001); - } - pLine[w >> 3] = cVal; - } - } - pLine += nStride; - if (h < GRHR + GRREFERENCEDY) { - pLineR += nStrideR; - } - } - return GRREG.release(); -} diff --git a/core/src/fxcodec/jbig2/JBig2_GrrdProc.h b/core/src/fxcodec/jbig2/JBig2_GrrdProc.h deleted file mode 100644 index 5d8eabb164..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_GrrdProc.h +++ /dev/null @@ -1,43 +0,0 @@ -// Copyright 2015 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_SRC_FXCODEC_JBIG2_JBIG2_GRRDPROC_H_ -#define CORE_SRC_FXCODEC_JBIG2_JBIG2_GRRDPROC_H_ - -#include "core/include/fxcrt/fx_system.h" - -class CJBig2_ArithDecoder; -class CJBig2_Image; -struct JBig2ArithCtx; - -class CJBig2_GRRDProc { - public: - CJBig2_Image* decode(CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* grContext); - - CJBig2_Image* decode_Template0_unopt(CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* grContext); - - CJBig2_Image* decode_Template0_opt(CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* grContext); - - CJBig2_Image* decode_Template1_unopt(CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* grContext); - - CJBig2_Image* decode_Template1_opt(CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* grContext); - - FX_DWORD GRW; - FX_DWORD GRH; - FX_BOOL GRTEMPLATE; - CJBig2_Image* GRREFERENCE; - int32_t GRREFERENCEDX; - int32_t GRREFERENCEDY; - FX_BOOL TPGRON; - int8_t GRAT[4]; -}; - -#endif // CORE_SRC_FXCODEC_JBIG2_JBIG2_GRRDPROC_H_ diff --git a/core/src/fxcodec/jbig2/JBig2_GsidProc.cpp b/core/src/fxcodec/jbig2/JBig2_GsidProc.cpp deleted file mode 100644 index 42b3b59142..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_GsidProc.cpp +++ /dev/null @@ -1,123 +0,0 @@ -// Copyright 2015 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 "core/src/fxcodec/jbig2/JBig2_GsidProc.h" - -#include <memory> - -#include "core/include/fxcrt/fx_basic.h" -#include "core/src/fxcodec/jbig2/JBig2_BitStream.h" -#include "core/src/fxcodec/jbig2/JBig2_GrdProc.h" -#include "core/src/fxcodec/jbig2/JBig2_Image.h" -#include "core/src/fxcodec/jbig2/JBig2_List.h" - -FX_DWORD* CJBig2_GSIDProc::decode_Arith(CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* gbContext, - IFX_Pause* pPause) { - std::unique_ptr<CJBig2_GRDProc> pGRD(new CJBig2_GRDProc()); - pGRD->MMR = GSMMR; - pGRD->GBW = GSW; - pGRD->GBH = GSH; - pGRD->GBTEMPLATE = GSTEMPLATE; - pGRD->TPGDON = 0; - pGRD->USESKIP = GSUSESKIP; - pGRD->SKIP = GSKIP; - if (GSTEMPLATE <= 1) { - pGRD->GBAT[0] = 3; - } else { - pGRD->GBAT[0] = 2; - } - pGRD->GBAT[1] = -1; - if (pGRD->GBTEMPLATE == 0) { - pGRD->GBAT[2] = -3; - pGRD->GBAT[3] = -1; - pGRD->GBAT[4] = 2; - pGRD->GBAT[5] = -2; - pGRD->GBAT[6] = -2; - pGRD->GBAT[7] = -2; - } - - CJBig2_List<CJBig2_Image> GSPLANES(GSBPP); - for (int32_t i = GSBPP - 1; i >= 0; --i) { - CJBig2_Image* pImage = nullptr; - FXCODEC_STATUS status = - pGRD->Start_decode_Arith(&pImage, pArithDecoder, gbContext, nullptr); - while (status == FXCODEC_STATUS_DECODE_TOBECONTINUE) - pGRD->Continue_decode(pPause); - - if (!pImage) - return nullptr; - - GSPLANES.set(i, pImage); - - if (i < GSBPP - 1) - pImage->composeFrom(0, 0, GSPLANES.get(i + 1), JBIG2_COMPOSE_XOR); - } - std::unique_ptr<FX_DWORD, FxFreeDeleter> GSVALS( - FX_Alloc2D(FX_DWORD, GSW, GSH)); - JBIG2_memset(GSVALS.get(), 0, sizeof(FX_DWORD) * GSW * GSH); - for (FX_DWORD y = 0; y < GSH; ++y) { - for (FX_DWORD x = 0; x < GSW; ++x) { - for (int32_t i = 0; i < GSBPP; ++i) { - GSVALS.get()[y * GSW + x] |= GSPLANES.get(i)->getPixel(x, y) << i; - } - } - } - return GSVALS.release(); -} - -FX_DWORD* CJBig2_GSIDProc::decode_MMR(CJBig2_BitStream* pStream, - IFX_Pause* pPause) { - std::unique_ptr<CJBig2_GRDProc> pGRD(new CJBig2_GRDProc()); - pGRD->MMR = GSMMR; - pGRD->GBW = GSW; - pGRD->GBH = GSH; - - std::unique_ptr<CJBig2_Image*> GSPLANES(FX_Alloc(CJBig2_Image*, GSBPP)); - JBIG2_memset(GSPLANES.get(), 0, sizeof(CJBig2_Image*) * GSBPP); - FXCODEC_STATUS status = - pGRD->Start_decode_MMR(&GSPLANES.get()[GSBPP - 1], pStream, nullptr); - while (status == FXCODEC_STATUS_DECODE_TOBECONTINUE) { - pGRD->Continue_decode(pPause); - } - if (!GSPLANES.get()[GSBPP - 1]) - return nullptr; - - pStream->alignByte(); - pStream->offset(3); - int32_t J = GSBPP - 2; - while (J >= 0) { - FXCODEC_STATUS status = - pGRD->Start_decode_MMR(&GSPLANES.get()[J], pStream, nullptr); - while (status == FXCODEC_STATUS_DECODE_TOBECONTINUE) { - pGRD->Continue_decode(pPause); - } - if (!GSPLANES.get()[J]) { - for (int32_t K = GSBPP - 1; K > J; --K) { - delete GSPLANES.get()[K]; - return nullptr; - } - } - pStream->alignByte(); - pStream->offset(3); - GSPLANES.get()[J]->composeFrom(0, 0, GSPLANES.get()[J + 1], - JBIG2_COMPOSE_XOR); - J = J - 1; - } - std::unique_ptr<FX_DWORD> GSVALS(FX_Alloc2D(FX_DWORD, GSW, GSH)); - JBIG2_memset(GSVALS.get(), 0, sizeof(FX_DWORD) * GSW * GSH); - for (FX_DWORD y = 0; y < GSH; ++y) { - for (FX_DWORD x = 0; x < GSW; ++x) { - for (J = 0; J < GSBPP; ++J) { - GSVALS.get()[y * GSW + x] |= GSPLANES.get()[J]->getPixel(x, y) << J; - } - } - } - for (J = 0; J < GSBPP; ++J) { - delete GSPLANES.get()[J]; - } - return GSVALS.release(); -} diff --git a/core/src/fxcodec/jbig2/JBig2_GsidProc.h b/core/src/fxcodec/jbig2/JBig2_GsidProc.h deleted file mode 100644 index dfd16b8f0c..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_GsidProc.h +++ /dev/null @@ -1,36 +0,0 @@ -// Copyright 2015 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_SRC_FXCODEC_JBIG2_JBIG2_GSIDPROC_H_ -#define CORE_SRC_FXCODEC_JBIG2_JBIG2_GSIDPROC_H_ - -#include "core/include/fxcrt/fx_system.h" - -class CJBig2_ArithDecoder; -class CJBig2_BitStream; -class CJBig2_Image; -class IFX_Pause; -struct JBig2ArithCtx; - -class CJBig2_GSIDProc { - public: - FX_DWORD* decode_Arith(CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* gbContext, - IFX_Pause* pPause); - - FX_DWORD* decode_MMR(CJBig2_BitStream* pStream, IFX_Pause* pPause); - - public: - FX_BOOL GSMMR; - FX_BOOL GSUSESKIP; - uint8_t GSBPP; - FX_DWORD GSW; - FX_DWORD GSH; - uint8_t GSTEMPLATE; - CJBig2_Image* GSKIP; -}; - -#endif // CORE_SRC_FXCODEC_JBIG2_JBIG2_GSIDPROC_H_ diff --git a/core/src/fxcodec/jbig2/JBig2_HtrdProc.cpp b/core/src/fxcodec/jbig2/JBig2_HtrdProc.cpp deleted file mode 100644 index d49cab92e5..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_HtrdProc.cpp +++ /dev/null @@ -1,104 +0,0 @@ -// Copyright 2015 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 "core/src/fxcodec/jbig2/JBig2_HtrdProc.h" - -#include <memory> - -#include "core/include/fxcrt/fx_basic.h" -#include "core/src/fxcodec/jbig2/JBig2_GsidProc.h" - -CJBig2_Image* CJBig2_HTRDProc::decode_Arith(CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* gbContext, - IFX_Pause* pPause) { - FX_DWORD ng, mg; - int32_t x, y; - FX_DWORD HBPP; - FX_DWORD* GI; - std::unique_ptr<CJBig2_Image> HSKIP; - std::unique_ptr<CJBig2_Image> HTREG(new CJBig2_Image(HBW, HBH)); - HTREG->fill(HDEFPIXEL); - if (HENABLESKIP == 1) { - HSKIP.reset(new CJBig2_Image(HGW, HGH)); - for (mg = 0; mg < HGH; mg++) { - for (ng = 0; ng < HGW; ng++) { - x = (HGX + mg * HRY + ng * HRX) >> 8; - y = (HGY + mg * HRX - ng * HRY) >> 8; - if ((x + HPW <= 0) | (x >= (int32_t)HBW) | (y + HPH <= 0) | - (y >= (int32_t)HPH)) { - HSKIP->setPixel(ng, mg, 1); - } else { - HSKIP->setPixel(ng, mg, 0); - } - } - } - } - HBPP = 1; - while ((FX_DWORD)(1 << HBPP) < HNUMPATS) { - HBPP++; - } - std::unique_ptr<CJBig2_GSIDProc> pGID(new CJBig2_GSIDProc()); - pGID->GSMMR = HMMR; - pGID->GSW = HGW; - pGID->GSH = HGH; - pGID->GSBPP = (uint8_t)HBPP; - pGID->GSUSESKIP = HENABLESKIP; - pGID->GSKIP = HSKIP.get(); - pGID->GSTEMPLATE = HTEMPLATE; - GI = pGID->decode_Arith(pArithDecoder, gbContext, pPause); - if (!GI) - return nullptr; - - for (mg = 0; mg < HGH; mg++) { - for (ng = 0; ng < HGW; ng++) { - x = (HGX + mg * HRY + ng * HRX) >> 8; - y = (HGY + mg * HRX - ng * HRY) >> 8; - FX_DWORD pat_index = GI[mg * HGW + ng]; - if (pat_index >= HNUMPATS) { - pat_index = HNUMPATS - 1; - } - HTREG->composeFrom(x, y, HPATS[pat_index], HCOMBOP); - } - } - FX_Free(GI); - return HTREG.release(); -} - -CJBig2_Image* CJBig2_HTRDProc::decode_MMR(CJBig2_BitStream* pStream, - IFX_Pause* pPause) { - FX_DWORD ng, mg; - int32_t x, y; - FX_DWORD* GI; - std::unique_ptr<CJBig2_Image> HTREG(new CJBig2_Image(HBW, HBH)); - HTREG->fill(HDEFPIXEL); - FX_DWORD HBPP = 1; - while ((FX_DWORD)(1 << HBPP) < HNUMPATS) { - HBPP++; - } - std::unique_ptr<CJBig2_GSIDProc> pGID(new CJBig2_GSIDProc()); - pGID->GSMMR = HMMR; - pGID->GSW = HGW; - pGID->GSH = HGH; - pGID->GSBPP = (uint8_t)HBPP; - pGID->GSUSESKIP = 0; - GI = pGID->decode_MMR(pStream, pPause); - if (!GI) - return nullptr; - - for (mg = 0; mg < HGH; mg++) { - for (ng = 0; ng < HGW; ng++) { - x = (HGX + mg * HRY + ng * HRX) >> 8; - y = (HGY + mg * HRX - ng * HRY) >> 8; - FX_DWORD pat_index = GI[mg * HGW + ng]; - if (pat_index >= HNUMPATS) { - pat_index = HNUMPATS - 1; - } - HTREG->composeFrom(x, y, HPATS[pat_index], HCOMBOP); - } - } - FX_Free(GI); - return HTREG.release(); -} diff --git a/core/src/fxcodec/jbig2/JBig2_HtrdProc.h b/core/src/fxcodec/jbig2/JBig2_HtrdProc.h deleted file mode 100644 index f66ad75eca..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_HtrdProc.h +++ /dev/null @@ -1,46 +0,0 @@ -// Copyright 2015 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_SRC_FXCODEC_JBIG2_JBIG2_HTRDPROC_H_ -#define CORE_SRC_FXCODEC_JBIG2_JBIG2_HTRDPROC_H_ - -#include "core/include/fxcrt/fx_system.h" -#include "core/src/fxcodec/jbig2/JBig2_Image.h" - -class CJBig2_ArithDecoder; -class CJBig2_BitStream; -class IFX_Pause; -struct JBig2ArithCtx; - -class CJBig2_HTRDProc { - public: - CJBig2_Image* decode_Arith(CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* gbContext, - IFX_Pause* pPause); - - CJBig2_Image* decode_MMR(CJBig2_BitStream* pStream, IFX_Pause* pPause); - - public: - FX_DWORD HBW; - FX_DWORD HBH; - FX_BOOL HMMR; - uint8_t HTEMPLATE; - FX_DWORD HNUMPATS; - CJBig2_Image** HPATS; - FX_BOOL HDEFPIXEL; - JBig2ComposeOp HCOMBOP; - FX_BOOL HENABLESKIP; - FX_DWORD HGW; - FX_DWORD HGH; - int32_t HGX; - int32_t HGY; - FX_WORD HRX; - FX_WORD HRY; - uint8_t HPW; - uint8_t HPH; -}; - -#endif // CORE_SRC_FXCODEC_JBIG2_JBIG2_HTRDPROC_H_ diff --git a/core/src/fxcodec/jbig2/JBig2_HuffmanDecoder.cpp b/core/src/fxcodec/jbig2/JBig2_HuffmanDecoder.cpp deleted file mode 100644 index 093d2abadb..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_HuffmanDecoder.cpp +++ /dev/null @@ -1,46 +0,0 @@ -// 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 "core/src/fxcodec/jbig2/JBig2_HuffmanDecoder.h" - -#include "core/src/fxcodec/jbig2/JBig2_Define.h" - -CJBig2_HuffmanDecoder::CJBig2_HuffmanDecoder(CJBig2_BitStream* pStream) - : m_pStream(pStream) { -} - -CJBig2_HuffmanDecoder::~CJBig2_HuffmanDecoder() {} - -int CJBig2_HuffmanDecoder::decodeAValue(CJBig2_HuffmanTable* pTable, - int* nResult) { - int nVal = 0; - int nBits = 0; - while (1) { - FX_DWORD nTmp; - if (m_pStream->read1Bit(&nTmp) == -1) - break; - - nVal = (nVal << 1) | nTmp; - ++nBits; - for (FX_DWORD i = 0; i < pTable->Size(); ++i) { - if (pTable->GetPREFLEN()[i] == nBits && pTable->GetCODES()[i] == nVal) { - if (pTable->IsHTOOB() && i == pTable->Size() - 1) - return JBIG2_OOB; - - if (m_pStream->readNBits(pTable->GetRANGELEN()[i], &nTmp) == -1) - return -1; - - FX_DWORD offset = pTable->IsHTOOB() ? 3 : 2; - if (i == pTable->Size() - offset) - *nResult = pTable->GetRANGELOW()[i] - nTmp; - else - *nResult = pTable->GetRANGELOW()[i] + nTmp; - return 0; - } - } - } - return -1; -} diff --git a/core/src/fxcodec/jbig2/JBig2_HuffmanDecoder.h b/core/src/fxcodec/jbig2/JBig2_HuffmanDecoder.h deleted file mode 100644 index afa81796c2..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_HuffmanDecoder.h +++ /dev/null @@ -1,24 +0,0 @@ -// 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_SRC_FXCODEC_JBIG2_JBIG2_HUFFMANDECODER_H_ -#define CORE_SRC_FXCODEC_JBIG2_JBIG2_HUFFMANDECODER_H_ - -#include "core/src/fxcodec/jbig2/JBig2_BitStream.h" -#include "core/src/fxcodec/jbig2/JBig2_HuffmanTable.h" -class CJBig2_HuffmanDecoder { - public: - explicit CJBig2_HuffmanDecoder(CJBig2_BitStream* pStream); - - ~CJBig2_HuffmanDecoder(); - - int decodeAValue(CJBig2_HuffmanTable* pTable, int* nResult); - - private: - CJBig2_BitStream* const m_pStream; -}; - -#endif // CORE_SRC_FXCODEC_JBIG2_JBIG2_HUFFMANDECODER_H_ diff --git a/core/src/fxcodec/jbig2/JBig2_HuffmanTable.cpp b/core/src/fxcodec/jbig2/JBig2_HuffmanTable.cpp deleted file mode 100644 index 5833f118fe..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_HuffmanTable.cpp +++ /dev/null @@ -1,137 +0,0 @@ -// 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 "core/src/fxcodec/jbig2/JBig2_HuffmanTable.h" - -#include <algorithm> -#include <vector> - -#include "core/include/fxcrt/fx_memory.h" -#include "core/src/fxcodec/jbig2/JBig2_BitStream.h" -#include "core/src/fxcodec/jbig2/JBig2_Define.h" -#include "core/src/fxcodec/jbig2/JBig2_HuffmanTable_Standard.h" - -CJBig2_HuffmanTable::CJBig2_HuffmanTable(const JBig2TableLine* pTable, - FX_DWORD nLines, - bool bHTOOB) - : m_bOK(true), HTOOB(bHTOOB), NTEMP(nLines) { - ParseFromStandardTable(pTable); -} - -CJBig2_HuffmanTable::CJBig2_HuffmanTable(CJBig2_BitStream* pStream) - : HTOOB(false), NTEMP(0) { - m_bOK = ParseFromCodedBuffer(pStream); -} - -CJBig2_HuffmanTable::~CJBig2_HuffmanTable() { -} - -void CJBig2_HuffmanTable::ParseFromStandardTable(const JBig2TableLine* pTable) { - PREFLEN.resize(NTEMP); - RANGELEN.resize(NTEMP); - RANGELOW.resize(NTEMP); - for (FX_DWORD i = 0; i < NTEMP; ++i) { - PREFLEN[i] = pTable[i].PREFLEN; - RANGELEN[i] = pTable[i].RANDELEN; - RANGELOW[i] = pTable[i].RANGELOW; - } - InitCodes(); -} - -bool CJBig2_HuffmanTable::ParseFromCodedBuffer(CJBig2_BitStream* pStream) { - unsigned char cTemp; - if (pStream->read1Byte(&cTemp) == -1) - return false; - - HTOOB = !!(cTemp & 0x01); - unsigned char HTPS = ((cTemp >> 1) & 0x07) + 1; - unsigned char HTRS = ((cTemp >> 4) & 0x07) + 1; - FX_DWORD HTLOW; - FX_DWORD HTHIGH; - if (pStream->readInteger(&HTLOW) == -1 || - pStream->readInteger(&HTHIGH) == -1) { - return false; - } - - const int low = static_cast<int>(HTLOW); - const int high = static_cast<int>(HTHIGH); - if (low > high) - return false; - - ExtendBuffers(false); - int cur_low = low; - do { - if ((pStream->readNBits(HTPS, &PREFLEN[NTEMP]) == -1) || - (pStream->readNBits(HTRS, &RANGELEN[NTEMP]) == -1)) { - return false; - } - RANGELOW[NTEMP] = cur_low; - cur_low += (1 << RANGELEN[NTEMP]); - ExtendBuffers(true); - } while (cur_low < high); - - if (pStream->readNBits(HTPS, &PREFLEN[NTEMP]) == -1) - return false; - - RANGELEN[NTEMP] = 32; - RANGELOW[NTEMP] = low - 1; - ExtendBuffers(true); - - if (pStream->readNBits(HTPS, &PREFLEN[NTEMP]) == -1) - return false; - - RANGELEN[NTEMP] = 32; - RANGELOW[NTEMP] = high; - ExtendBuffers(true); - - if (HTOOB) { - if (pStream->readNBits(HTPS, &PREFLEN[NTEMP]) == -1) - return false; - - ++NTEMP; - } - - InitCodes(); - return true; -} - -void CJBig2_HuffmanTable::InitCodes() { - int lenmax = 0; - for (FX_DWORD i = 0; i < NTEMP; ++i) - lenmax = std::max(PREFLEN[i], lenmax); - - CODES.resize(NTEMP); - std::vector<int> LENCOUNT(lenmax + 1); - std::vector<int> FIRSTCODE(lenmax + 1); - for (int len : PREFLEN) - ++LENCOUNT[len]; - - FIRSTCODE[0] = 0; - LENCOUNT[0] = 0; - for (int i = 1; i <= lenmax; ++i) { - FIRSTCODE[i] = (FIRSTCODE[i - 1] + LENCOUNT[i - 1]) << 1; - int CURCODE = FIRSTCODE[i]; - for (FX_DWORD j = 0; j < NTEMP; ++j) { - if (PREFLEN[j] == i) - CODES[j] = CURCODE++; - } - } -} - -void CJBig2_HuffmanTable::ExtendBuffers(bool increment) { - if (increment) - ++NTEMP; - - size_t size = PREFLEN.size(); - if (NTEMP < size) - return; - - size += 16; - ASSERT(NTEMP < size); - PREFLEN.resize(size); - RANGELEN.resize(size); - RANGELOW.resize(size); -} diff --git a/core/src/fxcodec/jbig2/JBig2_HuffmanTable.h b/core/src/fxcodec/jbig2/JBig2_HuffmanTable.h deleted file mode 100644 index 568c497350..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_HuffmanTable.h +++ /dev/null @@ -1,50 +0,0 @@ -// 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_SRC_FXCODEC_JBIG2_JBIG2_HUFFMANTABLE_H_ -#define CORE_SRC_FXCODEC_JBIG2_JBIG2_HUFFMANTABLE_H_ - -#include <vector> - -#include "core/include/fxcrt/fx_system.h" - -class CJBig2_BitStream; -struct JBig2TableLine; - -class CJBig2_HuffmanTable { - public: - CJBig2_HuffmanTable(const JBig2TableLine* pTable, - FX_DWORD nLines, - bool bHTOOB); - - explicit CJBig2_HuffmanTable(CJBig2_BitStream* pStream); - - ~CJBig2_HuffmanTable(); - - bool IsHTOOB() const { return HTOOB; } - FX_DWORD Size() const { return NTEMP; } - const std::vector<int>& GetCODES() const { return CODES; } - const std::vector<int>& GetPREFLEN() const { return PREFLEN; } - const std::vector<int>& GetRANGELEN() const { return RANGELEN; } - const std::vector<int>& GetRANGELOW() const { return RANGELOW; } - bool IsOK() const { return m_bOK; } - - private: - void ParseFromStandardTable(const JBig2TableLine* pTable); - bool ParseFromCodedBuffer(CJBig2_BitStream* pStream); - void InitCodes(); - void ExtendBuffers(bool increment); - - bool m_bOK; - bool HTOOB; - FX_DWORD NTEMP; - std::vector<int> CODES; - std::vector<int> PREFLEN; - std::vector<int> RANGELEN; - std::vector<int> RANGELOW; -}; - -#endif // CORE_SRC_FXCODEC_JBIG2_JBIG2_HUFFMANTABLE_H_ diff --git a/core/src/fxcodec/jbig2/JBig2_HuffmanTable_Standard.h b/core/src/fxcodec/jbig2/JBig2_HuffmanTable_Standard.h deleted file mode 100644 index a2ce232d63..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_HuffmanTable_Standard.h +++ /dev/null @@ -1,98 +0,0 @@ -// 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_SRC_FXCODEC_JBIG2_JBIG2_HUFFMANTABLE_STANDARD_H_ -#define CORE_SRC_FXCODEC_JBIG2_JBIG2_HUFFMANTABLE_STANDARD_H_ - -#include "core/include/fxcrt/fx_system.h" - -struct JBig2TableLine { - int PREFLEN; - int RANDELEN; - int RANGELOW; -}; - -const bool HuffmanTable_HTOOB_B1 = false; -const JBig2TableLine HuffmanTable_B1[] = {{1, 4, 0}, - {2, 8, 16}, - {3, 16, 272}, - {0, 32, -1}, - {3, 32, 65808}}; -const bool HuffmanTable_HTOOB_B2 = true; -const JBig2TableLine HuffmanTable_B2[] = {{1, 0, 0}, {2, 0, 1}, {3, 0, 2}, - {4, 3, 3}, {5, 6, 11}, {0, 32, -1}, - {6, 32, 75}, {6, 0, 0}}; -const bool HuffmanTable_HTOOB_B3 = true; -const JBig2TableLine HuffmanTable_B3[] = { - {8, 8, -256}, {1, 0, 0}, {2, 0, 1}, {3, 0, 2}, {4, 3, 3}, - {5, 6, 11}, {8, 32, -257}, {7, 32, 75}, {6, 0, 0}}; -const bool HuffmanTable_HTOOB_B4 = false; -const JBig2TableLine HuffmanTable_B4[] = { - {1, 0, 1}, {2, 0, 2}, {3, 0, 3}, {4, 3, 4}, - {5, 6, 12}, {0, 32, -1}, {5, 32, 76}, -}; -const bool HuffmanTable_HTOOB_B5 = false; -const JBig2TableLine HuffmanTable_B5[] = {{7, 8, -255}, {1, 0, 1}, {2, 0, 2}, - {3, 0, 3}, {4, 3, 4}, {5, 6, 12}, - {7, 32, -256}, {6, 32, 76}}; -const bool HuffmanTable_HTOOB_B6 = false; -const JBig2TableLine HuffmanTable_B6[] = { - {5, 10, -2048}, {4, 9, -1024}, {4, 8, -512}, {4, 7, -256}, {5, 6, -128}, - {5, 5, -64}, {4, 5, -32}, {2, 7, 0}, {3, 7, 128}, {3, 8, 256}, - {4, 9, 512}, {4, 10, 1024}, {6, 32, -2049}, {6, 32, 2048}}; -const bool HuffmanTable_HTOOB_B7 = false; -const JBig2TableLine HuffmanTable_B7[] = { - {4, 9, -1024}, {3, 8, -512}, {4, 7, -256}, {5, 6, -128}, {5, 5, -64}, - {4, 5, -32}, {4, 5, 0}, {5, 5, 32}, {5, 6, 64}, {4, 7, 128}, - {3, 8, 256}, {3, 9, 512}, {3, 10, 1024}, {5, 32, -1025}, {5, 32, 2048}, -}; -const bool HuffmanTable_HTOOB_B8 = true; -const JBig2TableLine HuffmanTable_B8[] = { - {8, 3, -15}, {9, 1, -7}, {8, 1, -5}, {9, 0, -3}, {7, 0, -2}, - {4, 0, -1}, {2, 1, 0}, {5, 0, 2}, {6, 0, 3}, {3, 4, 4}, - {6, 1, 20}, {4, 4, 22}, {4, 5, 38}, {5, 6, 70}, {5, 7, 134}, - {6, 7, 262}, {7, 8, 390}, {6, 10, 646}, {9, 32, -16}, {9, 32, 1670}, - {2, 0, 0}}; -const bool HuffmanTable_HTOOB_B9 = true; -const JBig2TableLine HuffmanTable_B9[] = { - {8, 4, -31}, {9, 2, -15}, {8, 2, -11}, {9, 1, -7}, {7, 1, -5}, - {4, 1, -3}, {3, 1, -1}, {3, 1, 1}, {5, 1, 3}, {6, 1, 5}, - {3, 5, 7}, {6, 2, 39}, {4, 5, 43}, {4, 6, 75}, {5, 7, 139}, - {5, 8, 267}, {6, 8, 523}, {7, 9, 779}, {6, 11, 1291}, {9, 32, -32}, - {9, 32, 3339}, {2, 0, 0}}; -const bool HuffmanTable_HTOOB_B10 = true; -const JBig2TableLine HuffmanTable_B10[] = { - {7, 4, -21}, {8, 0, -5}, {7, 0, -4}, {5, 0, -3}, {2, 2, -2}, - {5, 0, 2}, {6, 0, 3}, {7, 0, 4}, {8, 0, 5}, {2, 6, 6}, - {5, 5, 70}, {6, 5, 102}, {6, 6, 134}, {6, 7, 198}, {6, 8, 326}, - {6, 9, 582}, {6, 10, 1094}, {7, 11, 2118}, {8, 32, -22}, {8, 32, 4166}, - {2, 0, 0}}; -const bool HuffmanTable_HTOOB_B11 = false; -const JBig2TableLine HuffmanTable_B11[] = { - {1, 0, 1}, {2, 1, 2}, {4, 0, 4}, {4, 1, 5}, {5, 1, 7}, - {5, 2, 9}, {6, 2, 13}, {7, 2, 17}, {7, 3, 21}, {7, 4, 29}, - {7, 5, 45}, {7, 6, 77}, {0, 32, 0}, {7, 32, 141}}; -const bool HuffmanTable_HTOOB_B12 = false; -const JBig2TableLine HuffmanTable_B12[] = { - {1, 0, 1}, {2, 0, 2}, {3, 1, 3}, {5, 0, 5}, {5, 1, 6}, - {6, 1, 8}, {7, 0, 10}, {7, 1, 11}, {7, 2, 13}, {7, 3, 17}, - {7, 4, 25}, {8, 5, 41}, {0, 32, 0}, {8, 32, 73}}; -const bool HuffmanTable_HTOOB_B13 = false; -const JBig2TableLine HuffmanTable_B13[] = { - {1, 0, 1}, {3, 0, 2}, {4, 0, 3}, {5, 0, 4}, {4, 1, 5}, - {3, 3, 7}, {6, 1, 15}, {6, 2, 17}, {6, 3, 21}, {6, 4, 29}, - {6, 5, 45}, {7, 6, 77}, {0, 32, 0}, {7, 32, 141}}; -const bool HuffmanTable_HTOOB_B14 = false; -const JBig2TableLine HuffmanTable_B14[] = {{3, 0, -2}, {3, 0, -1}, {1, 0, 0}, - {3, 0, 1}, {3, 0, 2}, {0, 32, -3}, - {0, 32, 3}}; -const bool HuffmanTable_HTOOB_B15 = false; -const JBig2TableLine HuffmanTable_B15[] = { - {7, 4, -24}, {6, 2, -8}, {5, 1, -4}, {4, 0, -2}, {3, 0, -1}, - {1, 0, 0}, {3, 0, 1}, {4, 0, 2}, {5, 1, 3}, {6, 2, 5}, - {7, 4, 9}, {7, 32, -25}, {7, 32, 25}}; - -#endif // CORE_SRC_FXCODEC_JBIG2_JBIG2_HUFFMANTABLE_STANDARD_H_ diff --git a/core/src/fxcodec/jbig2/JBig2_Image.cpp b/core/src/fxcodec/jbig2/JBig2_Image.cpp deleted file mode 100644 index 16e4243e3b..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_Image.cpp +++ /dev/null @@ -1,1099 +0,0 @@ -// 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 <limits.h> - -#include "core/include/fxcrt/fx_coordinates.h" -#include "core/include/fxcrt/fx_safe_types.h" -#include "core/src/fxcodec/jbig2/JBig2_Image.h" - -CJBig2_Image::CJBig2_Image(int32_t w, int32_t h) { - m_nWidth = w; - m_nHeight = h; - if (m_nWidth <= 0 || m_nHeight <= 0 || m_nWidth > INT_MAX - 31) { - m_pData = NULL; - m_bNeedFree = FALSE; - return; - } - m_nStride = ((w + 31) >> 5) << 2; - if (m_nStride * m_nHeight > 0 && 104857600 / (int)m_nStride > m_nHeight) { - m_pData = FX_Alloc2D(uint8_t, m_nStride, m_nHeight); - } else { - m_pData = NULL; - } - m_bNeedFree = TRUE; -} -CJBig2_Image::CJBig2_Image(int32_t w, - int32_t h, - int32_t stride, - uint8_t* pBuf) { - m_nWidth = w; - m_nHeight = h; - m_nStride = stride; - m_pData = pBuf; - m_bNeedFree = FALSE; -} -CJBig2_Image::CJBig2_Image(const CJBig2_Image& im) { - m_nWidth = im.m_nWidth; - m_nHeight = im.m_nHeight; - m_nStride = im.m_nStride; - if (im.m_pData) { - m_pData = FX_Alloc2D(uint8_t, m_nStride, m_nHeight); - JBIG2_memcpy(m_pData, im.m_pData, m_nStride * m_nHeight); - } else { - m_pData = NULL; - } - m_bNeedFree = TRUE; -} -CJBig2_Image::~CJBig2_Image() { - if (m_bNeedFree) { - FX_Free(m_pData); - } -} -FX_BOOL CJBig2_Image::getPixel(int32_t x, int32_t y) { - if (!m_pData) { - return 0; - } - int32_t m, n; - if (x < 0 || x >= m_nWidth) { - return 0; - } - if (y < 0 || y >= m_nHeight) { - return 0; - } - m = y * m_nStride + (x >> 3); - n = x & 7; - return ((m_pData[m] >> (7 - n)) & 1); -} - -int32_t CJBig2_Image::setPixel(int32_t x, int32_t y, FX_BOOL v) { - if (!m_pData) { - return 0; - } - int32_t m, n; - if (x < 0 || x >= m_nWidth) { - return 0; - } - if (y < 0 || y >= m_nHeight) { - return 0; - } - m = y * m_nStride + (x >> 3); - n = x & 7; - if (v) { - m_pData[m] |= 1 << (7 - n); - } else { - m_pData[m] &= ~(1 << (7 - n)); - } - return 1; -} -void CJBig2_Image::copyLine(int32_t hTo, int32_t hFrom) { - if (!m_pData) { - return; - } - if (hFrom < 0 || hFrom >= m_nHeight) { - JBIG2_memset(m_pData + hTo * m_nStride, 0, m_nStride); - } else { - JBIG2_memcpy(m_pData + hTo * m_nStride, m_pData + hFrom * m_nStride, - m_nStride); - } -} -void CJBig2_Image::fill(FX_BOOL v) { - if (!m_pData) { - return; - } - JBIG2_memset(m_pData, v ? 0xff : 0, m_nStride * m_nHeight); -} -FX_BOOL CJBig2_Image::composeTo(CJBig2_Image* pDst, - int32_t x, - int32_t y, - JBig2ComposeOp op) { - if (!m_pData) { - return FALSE; - } - return composeTo_opt2(pDst, x, y, op); -} -FX_BOOL CJBig2_Image::composeTo(CJBig2_Image* pDst, - int32_t x, - int32_t y, - JBig2ComposeOp op, - const FX_RECT* pSrcRect) { - if (!m_pData) { - return FALSE; - } - if (NULL == pSrcRect || *pSrcRect == FX_RECT(0, 0, m_nWidth, m_nHeight)) { - return composeTo_opt2(pDst, x, y, op); - } - return composeTo_opt2(pDst, x, y, op, pSrcRect); -} - -FX_BOOL CJBig2_Image::composeFrom(int32_t x, - int32_t y, - CJBig2_Image* pSrc, - JBig2ComposeOp op) { - if (!m_pData) { - return FALSE; - } - return pSrc->composeTo(this, x, y, op); -} -FX_BOOL CJBig2_Image::composeFrom(int32_t x, - int32_t y, - CJBig2_Image* pSrc, - JBig2ComposeOp op, - const FX_RECT* pSrcRect) { - if (!m_pData) { - return FALSE; - } - return pSrc->composeTo(this, x, y, op, pSrcRect); -} -#define JBIG2_GETDWORD(buf) \ - ((FX_DWORD)(((buf)[0] << 24) | ((buf)[1] << 16) | ((buf)[2] << 8) | (buf)[3])) -CJBig2_Image* CJBig2_Image::subImage(int32_t x, - int32_t y, - int32_t w, - int32_t h) { - int32_t m, n, j; - uint8_t *pLineSrc, *pLineDst; - FX_DWORD wTmp; - uint8_t *pSrc, *pSrcEnd, *pDst, *pDstEnd; - if (w == 0 || h == 0) { - return NULL; - } - CJBig2_Image* pImage = new CJBig2_Image(w, h); - if (!m_pData) { - pImage->fill(0); - return pImage; - } - if (!pImage->m_pData) { - return pImage; - } - pLineSrc = m_pData + m_nStride * y; - pLineDst = pImage->m_pData; - m = (x >> 5) << 2; - n = x & 31; - if (n == 0) { - for (j = 0; j < h; j++) { - pSrc = pLineSrc + m; - pSrcEnd = pLineSrc + m_nStride; - pDst = pLineDst; - pDstEnd = pLineDst + pImage->m_nStride; - for (; pDst < pDstEnd; pSrc += 4, pDst += 4) { - *((FX_DWORD*)pDst) = *((FX_DWORD*)pSrc); - } - pLineSrc += m_nStride; - pLineDst += pImage->m_nStride; - } - } else { - for (j = 0; j < h; j++) { - pSrc = pLineSrc + m; - pSrcEnd = pLineSrc + m_nStride; - pDst = pLineDst; - pDstEnd = pLineDst + pImage->m_nStride; - for (; pDst < pDstEnd; pSrc += 4, pDst += 4) { - if (pSrc + 4 < pSrcEnd) { - wTmp = (JBIG2_GETDWORD(pSrc) << n) | - (JBIG2_GETDWORD(pSrc + 4) >> (32 - n)); - } else { - wTmp = JBIG2_GETDWORD(pSrc) << n; - } - pDst[0] = (uint8_t)(wTmp >> 24); - pDst[1] = (uint8_t)(wTmp >> 16); - pDst[2] = (uint8_t)(wTmp >> 8); - pDst[3] = (uint8_t)wTmp; - } - pLineSrc += m_nStride; - pLineDst += pImage->m_nStride; - } - } - return pImage; -} -void CJBig2_Image::expand(int32_t h, FX_BOOL v) { - if (!m_pData || h <= m_nHeight) { - return; - } - FX_DWORD dwH = pdfium::base::checked_cast<FX_DWORD>(h); - FX_DWORD dwStride = pdfium::base::checked_cast<FX_DWORD>(m_nStride); - FX_DWORD dwHeight = pdfium::base::checked_cast<FX_DWORD>(m_nHeight); - FX_SAFE_DWORD safeMemSize = dwH; - safeMemSize *= dwStride; - if (!safeMemSize.IsValid()) { - return; - } - // The guaranteed reallocated memory is to be < 4GB (unsigned int). - m_pData = FX_Realloc(uint8_t, m_pData, safeMemSize.ValueOrDie()); - - // The result of dwHeight * dwStride doesn't overflow after the - // checking of safeMemSize. - // The same as the result of (dwH - dwHeight) * dwStride) because - // dwH - dwHeight is always less than dwH(h) which is checked in - // the calculation of dwH * dwStride. - JBIG2_memset(m_pData + dwHeight * dwStride, v ? 0xff : 0, - (dwH - dwHeight) * dwStride); - m_nHeight = h; -} -FX_BOOL CJBig2_Image::composeTo_opt2(CJBig2_Image* pDst, - int32_t x, - int32_t y, - JBig2ComposeOp op) { - int32_t xs0 = 0, ys0 = 0, xs1 = 0, ys1 = 0, xd0 = 0, yd0 = 0, xd1 = 0, - yd1 = 0, xx = 0, yy = 0, w = 0, h = 0, middleDwords = 0, lineLeft = 0; - - FX_DWORD s1 = 0, d1 = 0, d2 = 0, shift = 0, shift1 = 0, shift2 = 0, tmp = 0, - tmp1 = 0, tmp2 = 0, maskL = 0, maskR = 0, maskM = 0; - - uint8_t *lineSrc = NULL, *lineDst = NULL, *sp = NULL, *dp = NULL; - - if (!m_pData) { - return FALSE; - } - if (x < -1048576 || x > 1048576 || y < -1048576 || y > 1048576) { - return FALSE; - } - if (y < 0) { - ys0 = -y; - } - if (y + m_nHeight > pDst->m_nHeight) { - ys1 = pDst->m_nHeight - y; - } else { - ys1 = m_nHeight; - } - if (x < 0) { - xs0 = -x; - } - if (x + m_nWidth > pDst->m_nWidth) { - xs1 = pDst->m_nWidth - x; - } else { - xs1 = m_nWidth; - } - if ((ys0 >= ys1) || (xs0 >= xs1)) { - return 0; - } - w = xs1 - xs0; - h = ys1 - ys0; - if (y >= 0) { - yd0 = y; - } - if (x >= 0) { - xd0 = x; - } - xd1 = xd0 + w; - yd1 = yd0 + h; - d1 = xd0 & 31; - d2 = xd1 & 31; - s1 = xs0 & 31; - maskL = 0xffffffff >> d1; - maskR = 0xffffffff << ((32 - (xd1 & 31)) % 32); - maskM = maskL & maskR; - lineSrc = m_pData + ys0 * m_nStride + ((xs0 >> 5) << 2); - lineLeft = m_nStride - ((xs0 >> 5) << 2); - lineDst = pDst->m_pData + yd0 * pDst->m_nStride + ((xd0 >> 5) << 2); - if ((xd0 & ~31) == ((xd1 - 1) & ~31)) { - if ((xs0 & ~31) == ((xs1 - 1) & ~31)) { - if (s1 > d1) { - shift = s1 - d1; - for (yy = yd0; yy < yd1; yy++) { - tmp1 = JBIG2_GETDWORD(lineSrc) << shift; - tmp2 = JBIG2_GETDWORD(lineDst); - switch (op) { - case JBIG2_COMPOSE_OR: - tmp = (tmp2 & ~maskM) | ((tmp1 | tmp2) & maskM); - break; - case JBIG2_COMPOSE_AND: - tmp = (tmp2 & ~maskM) | ((tmp1 & tmp2) & maskM); - break; - case JBIG2_COMPOSE_XOR: - tmp = (tmp2 & ~maskM) | ((tmp1 ^ tmp2) & maskM); - break; - case JBIG2_COMPOSE_XNOR: - tmp = (tmp2 & ~maskM) | ((~(tmp1 ^ tmp2)) & maskM); - break; - case JBIG2_COMPOSE_REPLACE: - tmp = (tmp2 & ~maskM) | (tmp1 & maskM); - break; - } - lineDst[0] = (uint8_t)(tmp >> 24); - lineDst[1] = (uint8_t)(tmp >> 16); - lineDst[2] = (uint8_t)(tmp >> 8); - lineDst[3] = (uint8_t)tmp; - lineSrc += m_nStride; - lineDst += pDst->m_nStride; - } - } else { - shift = d1 - s1; - for (yy = yd0; yy < yd1; yy++) { - tmp1 = JBIG2_GETDWORD(lineSrc) >> shift; - tmp2 = JBIG2_GETDWORD(lineDst); - switch (op) { - case JBIG2_COMPOSE_OR: - tmp = (tmp2 & ~maskM) | ((tmp1 | tmp2) & maskM); - break; - case JBIG2_COMPOSE_AND: - tmp = (tmp2 & ~maskM) | ((tmp1 & tmp2) & maskM); - break; - case JBIG2_COMPOSE_XOR: - tmp = (tmp2 & ~maskM) | ((tmp1 ^ tmp2) & maskM); - break; - case JBIG2_COMPOSE_XNOR: - tmp = (tmp2 & ~maskM) | ((~(tmp1 ^ tmp2)) & maskM); - break; - case JBIG2_COMPOSE_REPLACE: - tmp = (tmp2 & ~maskM) | (tmp1 & maskM); - break; - } - lineDst[0] = (uint8_t)(tmp >> 24); - lineDst[1] = (uint8_t)(tmp >> 16); - lineDst[2] = (uint8_t)(tmp >> 8); - lineDst[3] = (uint8_t)tmp; - lineSrc += m_nStride; - lineDst += pDst->m_nStride; - } - } - } else { - shift1 = s1 - d1; - shift2 = 32 - shift1; - for (yy = yd0; yy < yd1; yy++) { - tmp1 = (JBIG2_GETDWORD(lineSrc) << shift1) | - (JBIG2_GETDWORD(lineSrc + 4) >> shift2); - tmp2 = JBIG2_GETDWORD(lineDst); - switch (op) { - case JBIG2_COMPOSE_OR: - tmp = (tmp2 & ~maskM) | ((tmp1 | tmp2) & maskM); - break; - case JBIG2_COMPOSE_AND: - tmp = (tmp2 & ~maskM) | ((tmp1 & tmp2) & maskM); - break; - case JBIG2_COMPOSE_XOR: - tmp = (tmp2 & ~maskM) | ((tmp1 ^ tmp2) & maskM); - break; - case JBIG2_COMPOSE_XNOR: - tmp = (tmp2 & ~maskM) | ((~(tmp1 ^ tmp2)) & maskM); - break; - case JBIG2_COMPOSE_REPLACE: - tmp = (tmp2 & ~maskM) | (tmp1 & maskM); - break; - } - lineDst[0] = (uint8_t)(tmp >> 24); - lineDst[1] = (uint8_t)(tmp >> 16); - lineDst[2] = (uint8_t)(tmp >> 8); - lineDst[3] = (uint8_t)tmp; - lineSrc += m_nStride; - lineDst += pDst->m_nStride; - } - } - } else { - if (s1 > d1) { - shift1 = s1 - d1; - shift2 = 32 - shift1; - middleDwords = (xd1 >> 5) - ((xd0 + 31) >> 5); - for (yy = yd0; yy < yd1; yy++) { - sp = lineSrc; - dp = lineDst; - if (d1 != 0) { - tmp1 = (JBIG2_GETDWORD(sp) << shift1) | - (JBIG2_GETDWORD(sp + 4) >> shift2); - tmp2 = JBIG2_GETDWORD(dp); - switch (op) { - case JBIG2_COMPOSE_OR: - tmp = (tmp2 & ~maskL) | ((tmp1 | tmp2) & maskL); - break; - case JBIG2_COMPOSE_AND: - tmp = (tmp2 & ~maskL) | ((tmp1 & tmp2) & maskL); - break; - case JBIG2_COMPOSE_XOR: - tmp = (tmp2 & ~maskL) | ((tmp1 ^ tmp2) & maskL); - break; - case JBIG2_COMPOSE_XNOR: - tmp = (tmp2 & ~maskL) | ((~(tmp1 ^ tmp2)) & maskL); - break; - case JBIG2_COMPOSE_REPLACE: - tmp = (tmp2 & ~maskL) | (tmp1 & maskL); - break; - } - dp[0] = (uint8_t)(tmp >> 24); - dp[1] = (uint8_t)(tmp >> 16); - dp[2] = (uint8_t)(tmp >> 8); - dp[3] = (uint8_t)tmp; - sp += 4; - dp += 4; - } - for (xx = 0; xx < middleDwords; xx++) { - tmp1 = (JBIG2_GETDWORD(sp) << shift1) | - (JBIG2_GETDWORD(sp + 4) >> shift2); - tmp2 = JBIG2_GETDWORD(dp); - switch (op) { - case JBIG2_COMPOSE_OR: - tmp = tmp1 | tmp2; - break; - case JBIG2_COMPOSE_AND: - tmp = tmp1 & tmp2; - break; - case JBIG2_COMPOSE_XOR: - tmp = tmp1 ^ tmp2; - break; - case JBIG2_COMPOSE_XNOR: - tmp = ~(tmp1 ^ tmp2); - break; - case JBIG2_COMPOSE_REPLACE: - tmp = tmp1; - break; - } - dp[0] = (uint8_t)(tmp >> 24); - dp[1] = (uint8_t)(tmp >> 16); - dp[2] = (uint8_t)(tmp >> 8); - dp[3] = (uint8_t)tmp; - sp += 4; - dp += 4; - } - if (d2 != 0) { - tmp1 = - (JBIG2_GETDWORD(sp) << shift1) | - (((sp + 4) < lineSrc + lineLeft ? JBIG2_GETDWORD(sp + 4) : 0) >> - shift2); - tmp2 = JBIG2_GETDWORD(dp); - switch (op) { - case JBIG2_COMPOSE_OR: - tmp = (tmp2 & ~maskR) | ((tmp1 | tmp2) & maskR); - break; - case JBIG2_COMPOSE_AND: - tmp = (tmp2 & ~maskR) | ((tmp1 & tmp2) & maskR); - break; - case JBIG2_COMPOSE_XOR: - tmp = (tmp2 & ~maskR) | ((tmp1 ^ tmp2) & maskR); - break; - case JBIG2_COMPOSE_XNOR: - tmp = (tmp2 & ~maskR) | ((~(tmp1 ^ tmp2)) & maskR); - break; - case JBIG2_COMPOSE_REPLACE: - tmp = (tmp2 & ~maskR) | (tmp1 & maskR); - break; - } - dp[0] = (uint8_t)(tmp >> 24); - dp[1] = (uint8_t)(tmp >> 16); - dp[2] = (uint8_t)(tmp >> 8); - dp[3] = (uint8_t)tmp; - } - lineSrc += m_nStride; - lineDst += pDst->m_nStride; - } - } else if (s1 == d1) { - middleDwords = (xd1 >> 5) - ((xd0 + 31) >> 5); - for (yy = yd0; yy < yd1; yy++) { - sp = lineSrc; - dp = lineDst; - if (d1 != 0) { - tmp1 = JBIG2_GETDWORD(sp); - tmp2 = JBIG2_GETDWORD(dp); - switch (op) { - case JBIG2_COMPOSE_OR: - tmp = (tmp2 & ~maskL) | ((tmp1 | tmp2) & maskL); - break; - case JBIG2_COMPOSE_AND: - tmp = (tmp2 & ~maskL) | ((tmp1 & tmp2) & maskL); - break; - case JBIG2_COMPOSE_XOR: - tmp = (tmp2 & ~maskL) | ((tmp1 ^ tmp2) & maskL); - break; - case JBIG2_COMPOSE_XNOR: - tmp = (tmp2 & ~maskL) | ((~(tmp1 ^ tmp2)) & maskL); - break; - case JBIG2_COMPOSE_REPLACE: - tmp = (tmp2 & ~maskL) | (tmp1 & maskL); - break; - } - dp[0] = (uint8_t)(tmp >> 24); - dp[1] = (uint8_t)(tmp >> 16); - dp[2] = (uint8_t)(tmp >> 8); - dp[3] = (uint8_t)tmp; - sp += 4; - dp += 4; - } - for (xx = 0; xx < middleDwords; xx++) { - tmp1 = JBIG2_GETDWORD(sp); - tmp2 = JBIG2_GETDWORD(dp); - switch (op) { - case JBIG2_COMPOSE_OR: - tmp = tmp1 | tmp2; - break; - case JBIG2_COMPOSE_AND: - tmp = tmp1 & tmp2; - break; - case JBIG2_COMPOSE_XOR: - tmp = tmp1 ^ tmp2; - break; - case JBIG2_COMPOSE_XNOR: - tmp = ~(tmp1 ^ tmp2); - break; - case JBIG2_COMPOSE_REPLACE: - tmp = tmp1; - break; - } - dp[0] = (uint8_t)(tmp >> 24); - dp[1] = (uint8_t)(tmp >> 16); - dp[2] = (uint8_t)(tmp >> 8); - dp[3] = (uint8_t)tmp; - sp += 4; - dp += 4; - } - if (d2 != 0) { - tmp1 = JBIG2_GETDWORD(sp); - tmp2 = JBIG2_GETDWORD(dp); - switch (op) { - case JBIG2_COMPOSE_OR: - tmp = (tmp2 & ~maskR) | ((tmp1 | tmp2) & maskR); - break; - case JBIG2_COMPOSE_AND: - tmp = (tmp2 & ~maskR) | ((tmp1 & tmp2) & maskR); - break; - case JBIG2_COMPOSE_XOR: - tmp = (tmp2 & ~maskR) | ((tmp1 ^ tmp2) & maskR); - break; - case JBIG2_COMPOSE_XNOR: - tmp = (tmp2 & ~maskR) | ((~(tmp1 ^ tmp2)) & maskR); - break; - case JBIG2_COMPOSE_REPLACE: - tmp = (tmp2 & ~maskR) | (tmp1 & maskR); - break; - } - dp[0] = (uint8_t)(tmp >> 24); - dp[1] = (uint8_t)(tmp >> 16); - dp[2] = (uint8_t)(tmp >> 8); - dp[3] = (uint8_t)tmp; - } - lineSrc += m_nStride; - lineDst += pDst->m_nStride; - } - } else { - shift1 = d1 - s1; - shift2 = 32 - shift1; - middleDwords = (xd1 >> 5) - ((xd0 + 31) >> 5); - for (yy = yd0; yy < yd1; yy++) { - sp = lineSrc; - dp = lineDst; - if (d1 != 0) { - tmp1 = JBIG2_GETDWORD(sp) >> shift1; - tmp2 = JBIG2_GETDWORD(dp); - switch (op) { - case JBIG2_COMPOSE_OR: - tmp = (tmp2 & ~maskL) | ((tmp1 | tmp2) & maskL); - break; - case JBIG2_COMPOSE_AND: - tmp = (tmp2 & ~maskL) | ((tmp1 & tmp2) & maskL); - break; - case JBIG2_COMPOSE_XOR: - tmp = (tmp2 & ~maskL) | ((tmp1 ^ tmp2) & maskL); - break; - case JBIG2_COMPOSE_XNOR: - tmp = (tmp2 & ~maskL) | ((~(tmp1 ^ tmp2)) & maskL); - break; - case JBIG2_COMPOSE_REPLACE: - tmp = (tmp2 & ~maskL) | (tmp1 & maskL); - break; - } - dp[0] = (uint8_t)(tmp >> 24); - dp[1] = (uint8_t)(tmp >> 16); - dp[2] = (uint8_t)(tmp >> 8); - dp[3] = (uint8_t)tmp; - dp += 4; - } - for (xx = 0; xx < middleDwords; xx++) { - tmp1 = (JBIG2_GETDWORD(sp) << shift2) | - ((JBIG2_GETDWORD(sp + 4)) >> shift1); - tmp2 = JBIG2_GETDWORD(dp); - switch (op) { - case JBIG2_COMPOSE_OR: - tmp = tmp1 | tmp2; - break; - case JBIG2_COMPOSE_AND: - tmp = tmp1 & tmp2; - break; - case JBIG2_COMPOSE_XOR: - tmp = tmp1 ^ tmp2; - break; - case JBIG2_COMPOSE_XNOR: - tmp = ~(tmp1 ^ tmp2); - break; - case JBIG2_COMPOSE_REPLACE: - tmp = tmp1; - break; - } - dp[0] = (uint8_t)(tmp >> 24); - dp[1] = (uint8_t)(tmp >> 16); - dp[2] = (uint8_t)(tmp >> 8); - dp[3] = (uint8_t)tmp; - sp += 4; - dp += 4; - } - if (d2 != 0) { - tmp1 = - (JBIG2_GETDWORD(sp) << shift2) | - (((sp + 4) < lineSrc + lineLeft ? JBIG2_GETDWORD(sp + 4) : 0) >> - shift1); - tmp2 = JBIG2_GETDWORD(dp); - switch (op) { - case JBIG2_COMPOSE_OR: - tmp = (tmp2 & ~maskR) | ((tmp1 | tmp2) & maskR); - break; - case JBIG2_COMPOSE_AND: - tmp = (tmp2 & ~maskR) | ((tmp1 & tmp2) & maskR); - break; - case JBIG2_COMPOSE_XOR: - tmp = (tmp2 & ~maskR) | ((tmp1 ^ tmp2) & maskR); - break; - case JBIG2_COMPOSE_XNOR: - tmp = (tmp2 & ~maskR) | ((~(tmp1 ^ tmp2)) & maskR); - break; - case JBIG2_COMPOSE_REPLACE: - tmp = (tmp2 & ~maskR) | (tmp1 & maskR); - break; - } - dp[0] = (uint8_t)(tmp >> 24); - dp[1] = (uint8_t)(tmp >> 16); - dp[2] = (uint8_t)(tmp >> 8); - dp[3] = (uint8_t)tmp; - } - lineSrc += m_nStride; - lineDst += pDst->m_nStride; - } - } - } - return 1; -} -FX_BOOL CJBig2_Image::composeTo_opt2(CJBig2_Image* pDst, - int32_t x, - int32_t y, - JBig2ComposeOp op, - const FX_RECT* pSrcRect) { - int32_t xs0, ys0, xs1, ys1, xd0, yd0, xd1, yd1, xx, yy, w, h, middleDwords, - lineLeft; - FX_DWORD s1, d1, d2, shift, shift1, shift2, tmp, tmp1, tmp2, maskL, maskR, - maskM; - uint8_t *lineSrc, *lineDst, *sp, *dp; - int32_t sw, sh; - if (!m_pData) { - return FALSE; - } - if (x < -1048576 || x > 1048576 || y < -1048576 || y > 1048576) { - return FALSE; - } - sw = pSrcRect->Width(); - sh = pSrcRect->Height(); - if (y < 0) { - ys0 = -y; - } else { - ys0 = 0; - } - if (y + sh > pDst->m_nHeight) { - ys1 = pDst->m_nHeight - y; - } else { - ys1 = sh; - } - if (x < 0) { - xs0 = -x; - } else { - xs0 = 0; - } - if (x + sw > pDst->m_nWidth) { - xs1 = pDst->m_nWidth - x; - } else { - xs1 = sw; - } - if ((ys0 >= ys1) || (xs0 >= xs1)) { - return 0; - } - w = xs1 - xs0; - h = ys1 - ys0; - if (y < 0) { - yd0 = 0; - } else { - yd0 = y; - } - if (x < 0) { - xd0 = 0; - } else { - xd0 = x; - } - xd1 = xd0 + w; - yd1 = yd0 + h; - d1 = xd0 & 31; - d2 = xd1 & 31; - s1 = xs0 & 31; - maskL = 0xffffffff >> d1; - maskR = 0xffffffff << ((32 - (xd1 & 31)) % 32); - maskM = maskL & maskR; - lineSrc = m_pData + (pSrcRect->top + ys0) * m_nStride + - (((xs0 + pSrcRect->left) >> 5) << 2); - lineLeft = m_nStride - ((xs0 >> 5) << 2); - lineDst = pDst->m_pData + yd0 * pDst->m_nStride + ((xd0 >> 5) << 2); - if ((xd0 & ~31) == ((xd1 - 1) & ~31)) { - if ((xs0 & ~31) == ((xs1 - 1) & ~31)) { - if (s1 > d1) { - shift = s1 - d1; - for (yy = yd0; yy < yd1; yy++) { - tmp1 = JBIG2_GETDWORD(lineSrc) << shift; - tmp2 = JBIG2_GETDWORD(lineDst); - switch (op) { - case JBIG2_COMPOSE_OR: - tmp = (tmp2 & ~maskM) | ((tmp1 | tmp2) & maskM); - break; - case JBIG2_COMPOSE_AND: - tmp = (tmp2 & ~maskM) | ((tmp1 & tmp2) & maskM); - break; - case JBIG2_COMPOSE_XOR: - tmp = (tmp2 & ~maskM) | ((tmp1 ^ tmp2) & maskM); - break; - case JBIG2_COMPOSE_XNOR: - tmp = (tmp2 & ~maskM) | ((~(tmp1 ^ tmp2)) & maskM); - break; - case JBIG2_COMPOSE_REPLACE: - tmp = (tmp2 & ~maskM) | (tmp1 & maskM); - break; - } - lineDst[0] = (uint8_t)(tmp >> 24); - lineDst[1] = (uint8_t)(tmp >> 16); - lineDst[2] = (uint8_t)(tmp >> 8); - lineDst[3] = (uint8_t)tmp; - lineSrc += m_nStride; - lineDst += pDst->m_nStride; - } - } else { - shift = d1 - s1; - for (yy = yd0; yy < yd1; yy++) { - tmp1 = JBIG2_GETDWORD(lineSrc) >> shift; - tmp2 = JBIG2_GETDWORD(lineDst); - switch (op) { - case JBIG2_COMPOSE_OR: - tmp = (tmp2 & ~maskM) | ((tmp1 | tmp2) & maskM); - break; - case JBIG2_COMPOSE_AND: - tmp = (tmp2 & ~maskM) | ((tmp1 & tmp2) & maskM); - break; - case JBIG2_COMPOSE_XOR: - tmp = (tmp2 & ~maskM) | ((tmp1 ^ tmp2) & maskM); - break; - case JBIG2_COMPOSE_XNOR: - tmp = (tmp2 & ~maskM) | ((~(tmp1 ^ tmp2)) & maskM); - break; - case JBIG2_COMPOSE_REPLACE: - tmp = (tmp2 & ~maskM) | (tmp1 & maskM); - break; - } - lineDst[0] = (uint8_t)(tmp >> 24); - lineDst[1] = (uint8_t)(tmp >> 16); - lineDst[2] = (uint8_t)(tmp >> 8); - lineDst[3] = (uint8_t)tmp; - lineSrc += m_nStride; - lineDst += pDst->m_nStride; - } - } - } else { - shift1 = s1 - d1; - shift2 = 32 - shift1; - for (yy = yd0; yy < yd1; yy++) { - tmp1 = (JBIG2_GETDWORD(lineSrc) << shift1) | - (JBIG2_GETDWORD(lineSrc + 4) >> shift2); - tmp2 = JBIG2_GETDWORD(lineDst); - switch (op) { - case JBIG2_COMPOSE_OR: - tmp = (tmp2 & ~maskM) | ((tmp1 | tmp2) & maskM); - break; - case JBIG2_COMPOSE_AND: - tmp = (tmp2 & ~maskM) | ((tmp1 & tmp2) & maskM); - break; - case JBIG2_COMPOSE_XOR: - tmp = (tmp2 & ~maskM) | ((tmp1 ^ tmp2) & maskM); - break; - case JBIG2_COMPOSE_XNOR: - tmp = (tmp2 & ~maskM) | ((~(tmp1 ^ tmp2)) & maskM); - break; - case JBIG2_COMPOSE_REPLACE: - tmp = (tmp2 & ~maskM) | (tmp1 & maskM); - break; - } - lineDst[0] = (uint8_t)(tmp >> 24); - lineDst[1] = (uint8_t)(tmp >> 16); - lineDst[2] = (uint8_t)(tmp >> 8); - lineDst[3] = (uint8_t)tmp; - lineSrc += m_nStride; - lineDst += pDst->m_nStride; - } - } - } else { - if (s1 > d1) { - shift1 = s1 - d1; - shift2 = 32 - shift1; - middleDwords = (xd1 >> 5) - ((xd0 + 31) >> 5); - for (yy = yd0; yy < yd1; yy++) { - sp = lineSrc; - dp = lineDst; - if (d1 != 0) { - tmp1 = (JBIG2_GETDWORD(sp) << shift1) | - (JBIG2_GETDWORD(sp + 4) >> shift2); - tmp2 = JBIG2_GETDWORD(dp); - switch (op) { - case JBIG2_COMPOSE_OR: - tmp = (tmp2 & ~maskL) | ((tmp1 | tmp2) & maskL); - break; - case JBIG2_COMPOSE_AND: - tmp = (tmp2 & ~maskL) | ((tmp1 & tmp2) & maskL); - break; - case JBIG2_COMPOSE_XOR: - tmp = (tmp2 & ~maskL) | ((tmp1 ^ tmp2) & maskL); - break; - case JBIG2_COMPOSE_XNOR: - tmp = (tmp2 & ~maskL) | ((~(tmp1 ^ tmp2)) & maskL); - break; - case JBIG2_COMPOSE_REPLACE: - tmp = (tmp2 & ~maskL) | (tmp1 & maskL); - break; - } - dp[0] = (uint8_t)(tmp >> 24); - dp[1] = (uint8_t)(tmp >> 16); - dp[2] = (uint8_t)(tmp >> 8); - dp[3] = (uint8_t)tmp; - sp += 4; - dp += 4; - } - for (xx = 0; xx < middleDwords; xx++) { - tmp1 = (JBIG2_GETDWORD(sp) << shift1) | - (JBIG2_GETDWORD(sp + 4) >> shift2); - tmp2 = JBIG2_GETDWORD(dp); - switch (op) { - case JBIG2_COMPOSE_OR: - tmp = tmp1 | tmp2; - break; - case JBIG2_COMPOSE_AND: - tmp = tmp1 & tmp2; - break; - case JBIG2_COMPOSE_XOR: - tmp = tmp1 ^ tmp2; - break; - case JBIG2_COMPOSE_XNOR: - tmp = ~(tmp1 ^ tmp2); - break; - case JBIG2_COMPOSE_REPLACE: - tmp = tmp1; - break; - } - dp[0] = (uint8_t)(tmp >> 24); - dp[1] = (uint8_t)(tmp >> 16); - dp[2] = (uint8_t)(tmp >> 8); - dp[3] = (uint8_t)tmp; - sp += 4; - dp += 4; - } - if (d2 != 0) { - tmp1 = - (JBIG2_GETDWORD(sp) << shift1) | - (((sp + 4) < lineSrc + lineLeft ? JBIG2_GETDWORD(sp + 4) : 0) >> - shift2); - tmp2 = JBIG2_GETDWORD(dp); - switch (op) { - case JBIG2_COMPOSE_OR: - tmp = (tmp2 & ~maskR) | ((tmp1 | tmp2) & maskR); - break; - case JBIG2_COMPOSE_AND: - tmp = (tmp2 & ~maskR) | ((tmp1 & tmp2) & maskR); - break; - case JBIG2_COMPOSE_XOR: - tmp = (tmp2 & ~maskR) | ((tmp1 ^ tmp2) & maskR); - break; - case JBIG2_COMPOSE_XNOR: - tmp = (tmp2 & ~maskR) | ((~(tmp1 ^ tmp2)) & maskR); - break; - case JBIG2_COMPOSE_REPLACE: - tmp = (tmp2 & ~maskR) | (tmp1 & maskR); - break; - } - dp[0] = (uint8_t)(tmp >> 24); - dp[1] = (uint8_t)(tmp >> 16); - dp[2] = (uint8_t)(tmp >> 8); - dp[3] = (uint8_t)tmp; - } - lineSrc += m_nStride; - lineDst += pDst->m_nStride; - } - } else if (s1 == d1) { - middleDwords = (xd1 >> 5) - ((xd0 + 31) >> 5); - for (yy = yd0; yy < yd1; yy++) { - sp = lineSrc; - dp = lineDst; - if (d1 != 0) { - tmp1 = JBIG2_GETDWORD(sp); - tmp2 = JBIG2_GETDWORD(dp); - switch (op) { - case JBIG2_COMPOSE_OR: - tmp = (tmp2 & ~maskL) | ((tmp1 | tmp2) & maskL); - break; - case JBIG2_COMPOSE_AND: - tmp = (tmp2 & ~maskL) | ((tmp1 & tmp2) & maskL); - break; - case JBIG2_COMPOSE_XOR: - tmp = (tmp2 & ~maskL) | ((tmp1 ^ tmp2) & maskL); - break; - case JBIG2_COMPOSE_XNOR: - tmp = (tmp2 & ~maskL) | ((~(tmp1 ^ tmp2)) & maskL); - break; - case JBIG2_COMPOSE_REPLACE: - tmp = (tmp2 & ~maskL) | (tmp1 & maskL); - break; - } - dp[0] = (uint8_t)(tmp >> 24); - dp[1] = (uint8_t)(tmp >> 16); - dp[2] = (uint8_t)(tmp >> 8); - dp[3] = (uint8_t)tmp; - sp += 4; - dp += 4; - } - for (xx = 0; xx < middleDwords; xx++) { - tmp1 = JBIG2_GETDWORD(sp); - tmp2 = JBIG2_GETDWORD(dp); - switch (op) { - case JBIG2_COMPOSE_OR: - tmp = tmp1 | tmp2; - break; - case JBIG2_COMPOSE_AND: - tmp = tmp1 & tmp2; - break; - case JBIG2_COMPOSE_XOR: - tmp = tmp1 ^ tmp2; - break; - case JBIG2_COMPOSE_XNOR: - tmp = ~(tmp1 ^ tmp2); - break; - case JBIG2_COMPOSE_REPLACE: - tmp = tmp1; - break; - } - dp[0] = (uint8_t)(tmp >> 24); - dp[1] = (uint8_t)(tmp >> 16); - dp[2] = (uint8_t)(tmp >> 8); - dp[3] = (uint8_t)tmp; - sp += 4; - dp += 4; - } - if (d2 != 0) { - tmp1 = JBIG2_GETDWORD(sp); - tmp2 = JBIG2_GETDWORD(dp); - switch (op) { - case JBIG2_COMPOSE_OR: - tmp = (tmp2 & ~maskR) | ((tmp1 | tmp2) & maskR); - break; - case JBIG2_COMPOSE_AND: - tmp = (tmp2 & ~maskR) | ((tmp1 & tmp2) & maskR); - break; - case JBIG2_COMPOSE_XOR: - tmp = (tmp2 & ~maskR) | ((tmp1 ^ tmp2) & maskR); - break; - case JBIG2_COMPOSE_XNOR: - tmp = (tmp2 & ~maskR) | ((~(tmp1 ^ tmp2)) & maskR); - break; - case JBIG2_COMPOSE_REPLACE: - tmp = (tmp2 & ~maskR) | (tmp1 & maskR); - break; - } - dp[0] = (uint8_t)(tmp >> 24); - dp[1] = (uint8_t)(tmp >> 16); - dp[2] = (uint8_t)(tmp >> 8); - dp[3] = (uint8_t)tmp; - } - lineSrc += m_nStride; - lineDst += pDst->m_nStride; - } - } else { - shift1 = d1 - s1; - shift2 = 32 - shift1; - middleDwords = (xd1 >> 5) - ((xd0 + 31) >> 5); - for (yy = yd0; yy < yd1; yy++) { - sp = lineSrc; - dp = lineDst; - if (d1 != 0) { - tmp1 = JBIG2_GETDWORD(sp) >> shift1; - tmp2 = JBIG2_GETDWORD(dp); - switch (op) { - case JBIG2_COMPOSE_OR: - tmp = (tmp2 & ~maskL) | ((tmp1 | tmp2) & maskL); - break; - case JBIG2_COMPOSE_AND: - tmp = (tmp2 & ~maskL) | ((tmp1 & tmp2) & maskL); - break; - case JBIG2_COMPOSE_XOR: - tmp = (tmp2 & ~maskL) | ((tmp1 ^ tmp2) & maskL); - break; - case JBIG2_COMPOSE_XNOR: - tmp = (tmp2 & ~maskL) | ((~(tmp1 ^ tmp2)) & maskL); - break; - case JBIG2_COMPOSE_REPLACE: - tmp = (tmp2 & ~maskL) | (tmp1 & maskL); - break; - } - dp[0] = (uint8_t)(tmp >> 24); - dp[1] = (uint8_t)(tmp >> 16); - dp[2] = (uint8_t)(tmp >> 8); - dp[3] = (uint8_t)tmp; - dp += 4; - } - for (xx = 0; xx < middleDwords; xx++) { - tmp1 = (JBIG2_GETDWORD(sp) << shift2) | - ((JBIG2_GETDWORD(sp + 4)) >> shift1); - tmp2 = JBIG2_GETDWORD(dp); - switch (op) { - case JBIG2_COMPOSE_OR: - tmp = tmp1 | tmp2; - break; - case JBIG2_COMPOSE_AND: - tmp = tmp1 & tmp2; - break; - case JBIG2_COMPOSE_XOR: - tmp = tmp1 ^ tmp2; - break; - case JBIG2_COMPOSE_XNOR: - tmp = ~(tmp1 ^ tmp2); - break; - case JBIG2_COMPOSE_REPLACE: - tmp = tmp1; - break; - } - dp[0] = (uint8_t)(tmp >> 24); - dp[1] = (uint8_t)(tmp >> 16); - dp[2] = (uint8_t)(tmp >> 8); - dp[3] = (uint8_t)tmp; - sp += 4; - dp += 4; - } - if (d2 != 0) { - tmp1 = - (JBIG2_GETDWORD(sp) << shift2) | - (((sp + 4) < lineSrc + lineLeft ? JBIG2_GETDWORD(sp + 4) : 0) >> - shift1); - tmp2 = JBIG2_GETDWORD(dp); - switch (op) { - case JBIG2_COMPOSE_OR: - tmp = (tmp2 & ~maskR) | ((tmp1 | tmp2) & maskR); - break; - case JBIG2_COMPOSE_AND: - tmp = (tmp2 & ~maskR) | ((tmp1 & tmp2) & maskR); - break; - case JBIG2_COMPOSE_XOR: - tmp = (tmp2 & ~maskR) | ((tmp1 ^ tmp2) & maskR); - break; - case JBIG2_COMPOSE_XNOR: - tmp = (tmp2 & ~maskR) | ((~(tmp1 ^ tmp2)) & maskR); - break; - case JBIG2_COMPOSE_REPLACE: - tmp = (tmp2 & ~maskR) | (tmp1 & maskR); - break; - } - dp[0] = (uint8_t)(tmp >> 24); - dp[1] = (uint8_t)(tmp >> 16); - dp[2] = (uint8_t)(tmp >> 8); - dp[3] = (uint8_t)tmp; - } - lineSrc += m_nStride; - lineDst += pDst->m_nStride; - } - } - } - return 1; -} diff --git a/core/src/fxcodec/jbig2/JBig2_Image.h b/core/src/fxcodec/jbig2/JBig2_Image.h deleted file mode 100644 index e7b0779816..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_Image.h +++ /dev/null @@ -1,85 +0,0 @@ -// 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_SRC_FXCODEC_JBIG2_JBIG2_IMAGE_H_ -#define CORE_SRC_FXCODEC_JBIG2_JBIG2_IMAGE_H_ - -#include "core/src/fxcodec/jbig2/JBig2_Define.h" - -enum JBig2ComposeOp { - JBIG2_COMPOSE_OR = 0, - JBIG2_COMPOSE_AND = 1, - JBIG2_COMPOSE_XOR = 2, - JBIG2_COMPOSE_XNOR = 3, - JBIG2_COMPOSE_REPLACE = 4 -}; - -struct FX_RECT; -class CJBig2_Image { - public: - CJBig2_Image(int32_t w, int32_t h); - - CJBig2_Image(int32_t w, int32_t h, int32_t stride, uint8_t* pBuf); - - CJBig2_Image(const CJBig2_Image& im); - - ~CJBig2_Image(); - - FX_BOOL getPixel(int32_t x, int32_t y); - - int32_t setPixel(int32_t x, int32_t y, FX_BOOL v); - - void copyLine(int32_t hTo, int32_t hFrom); - - void fill(FX_BOOL v); - - FX_BOOL composeTo(CJBig2_Image* pDst, - int32_t x, - int32_t y, - JBig2ComposeOp op); - FX_BOOL composeTo(CJBig2_Image* pDst, - int32_t x, - int32_t y, - JBig2ComposeOp op, - const FX_RECT* pSrcRect); - - FX_BOOL composeTo_opt2(CJBig2_Image* pDst, - int32_t x, - int32_t y, - JBig2ComposeOp op); - FX_BOOL composeTo_opt2(CJBig2_Image* pDst, - int32_t x, - int32_t y, - JBig2ComposeOp op, - const FX_RECT* pSrcRect); - - FX_BOOL composeFrom(int32_t x, - int32_t y, - CJBig2_Image* pSrc, - JBig2ComposeOp op); - FX_BOOL composeFrom(int32_t x, - int32_t y, - CJBig2_Image* pSrc, - JBig2ComposeOp op, - const FX_RECT* pSrcRect); - - CJBig2_Image* subImage(int32_t x, int32_t y, int32_t w, int32_t h); - - void expand(int32_t h, FX_BOOL v); - - public: - int32_t m_nWidth; - - int32_t m_nHeight; - - int32_t m_nStride; - - uint8_t* m_pData; - - FX_BOOL m_bNeedFree; -}; - -#endif // CORE_SRC_FXCODEC_JBIG2_JBIG2_IMAGE_H_ diff --git a/core/src/fxcodec/jbig2/JBig2_List.h b/core/src/fxcodec/jbig2/JBig2_List.h deleted file mode 100644 index 6f6169064d..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_List.h +++ /dev/null @@ -1,56 +0,0 @@ -// 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_SRC_FXCODEC_JBIG2_JBIG2_LIST_H_ -#define CORE_SRC_FXCODEC_JBIG2_JBIG2_LIST_H_ - -#include <stdlib.h> - -#include <vector> - -// A poor man's ScopedVector for pointers of TYPE. -// Owns all the pointers contained within and deletes them on destruction. -template <class TYPE> -class CJBig2_List { - public: - CJBig2_List() {} - explicit CJBig2_List(size_t count) { resize(count); } - - ~CJBig2_List() { - clear(); - } - - TYPE* get(size_t index) const { return m_vector[index]; } - TYPE* back() const { return m_vector.back(); } - size_t size() const { return m_vector.size(); } - - // Deletes all the pointers contained within. - void clear() { - for (size_t i = 0; i < m_vector.size(); ++i) - delete m_vector[i]; - m_vector.clear(); - } - - // Takes ownership of |pItem|. - void push_back(TYPE* pItem) { m_vector.push_back(pItem); } - - // Takes ownership of |pItem|. - void set(size_t index, TYPE* pItem) { - delete m_vector[index]; - m_vector[index] = pItem; - } - - void resize(size_t count) { - for (size_t i = count; i < size(); ++i) - delete m_vector[i]; - m_vector.resize(count); - } - - private: - std::vector<TYPE*> m_vector; -}; - -#endif // CORE_SRC_FXCODEC_JBIG2_JBIG2_LIST_H_ diff --git a/core/src/fxcodec/jbig2/JBig2_Page.h b/core/src/fxcodec/jbig2/JBig2_Page.h deleted file mode 100644 index 50fe4cef3c..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_Page.h +++ /dev/null @@ -1,22 +0,0 @@ -// 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_SRC_FXCODEC_JBIG2_JBIG2_PAGE_H_ -#define CORE_SRC_FXCODEC_JBIG2_JBIG2_PAGE_H_ - -#include "core/include/fxcrt/fx_system.h" - -struct JBig2PageInfo { - FX_DWORD m_dwWidth; - FX_DWORD m_dwHeight; - FX_DWORD m_dwResolutionX; - FX_DWORD m_dwResolutionY; - uint8_t m_cFlags; - FX_BOOL m_bIsStriped; - FX_WORD m_wMaxStripeSize; -}; - -#endif // CORE_SRC_FXCODEC_JBIG2_JBIG2_PAGE_H_ diff --git a/core/src/fxcodec/jbig2/JBig2_PatternDict.cpp b/core/src/fxcodec/jbig2/JBig2_PatternDict.cpp deleted file mode 100644 index aa78954aaa..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_PatternDict.cpp +++ /dev/null @@ -1,23 +0,0 @@ -// 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 "core/src/fxcodec/jbig2/JBig2_PatternDict.h" - -#include "core/include/fxcrt/fx_memory.h" - -CJBig2_PatternDict::CJBig2_PatternDict() { - NUMPATS = 0; - HDPATS = NULL; -} - -CJBig2_PatternDict::~CJBig2_PatternDict() { - if (HDPATS) { - for (FX_DWORD i = 0; i < NUMPATS; i++) { - delete HDPATS[i]; - } - FX_Free(HDPATS); - } -} diff --git a/core/src/fxcodec/jbig2/JBig2_PatternDict.h b/core/src/fxcodec/jbig2/JBig2_PatternDict.h deleted file mode 100644 index e363c9bce3..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_PatternDict.h +++ /dev/null @@ -1,23 +0,0 @@ -// 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_SRC_FXCODEC_JBIG2_JBIG2_PATTERNDICT_H_ -#define CORE_SRC_FXCODEC_JBIG2_JBIG2_PATTERNDICT_H_ - -#include "core/src/fxcodec/jbig2/JBig2_Define.h" -#include "core/src/fxcodec/jbig2/JBig2_Image.h" - -class CJBig2_PatternDict { - public: - CJBig2_PatternDict(); - - ~CJBig2_PatternDict(); - - FX_DWORD NUMPATS; - CJBig2_Image** HDPATS; -}; - -#endif // CORE_SRC_FXCODEC_JBIG2_JBIG2_PATTERNDICT_H_ diff --git a/core/src/fxcodec/jbig2/JBig2_PddProc.cpp b/core/src/fxcodec/jbig2/JBig2_PddProc.cpp deleted file mode 100644 index ba4755ce59..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_PddProc.cpp +++ /dev/null @@ -1,87 +0,0 @@ -// Copyright 2015 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 "core/src/fxcodec/jbig2/JBig2_PddProc.h" - -#include <memory> - -#include "core/src/fxcodec/jbig2/JBig2_GrdProc.h" -#include "core/src/fxcodec/jbig2/JBig2_Image.h" -#include "core/src/fxcodec/jbig2/JBig2_PatternDict.h" - -CJBig2_PatternDict* CJBig2_PDDProc::decode_Arith( - CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* gbContext, - IFX_Pause* pPause) { - FX_DWORD GRAY; - CJBig2_Image* BHDC = nullptr; - std::unique_ptr<CJBig2_PatternDict> pDict(new CJBig2_PatternDict()); - pDict->NUMPATS = GRAYMAX + 1; - pDict->HDPATS = FX_Alloc(CJBig2_Image*, pDict->NUMPATS); - JBIG2_memset(pDict->HDPATS, 0, sizeof(CJBig2_Image*) * pDict->NUMPATS); - - std::unique_ptr<CJBig2_GRDProc> pGRD(new CJBig2_GRDProc()); - pGRD->MMR = HDMMR; - pGRD->GBW = (GRAYMAX + 1) * HDPW; - pGRD->GBH = HDPH; - pGRD->GBTEMPLATE = HDTEMPLATE; - pGRD->TPGDON = 0; - pGRD->USESKIP = 0; - pGRD->GBAT[0] = -(int32_t)HDPW; - pGRD->GBAT[1] = 0; - if (pGRD->GBTEMPLATE == 0) { - pGRD->GBAT[2] = -3; - pGRD->GBAT[3] = -1; - pGRD->GBAT[4] = 2; - pGRD->GBAT[5] = -2; - pGRD->GBAT[6] = -2; - pGRD->GBAT[7] = -2; - } - FXCODEC_STATUS status = - pGRD->Start_decode_Arith(&BHDC, pArithDecoder, gbContext, nullptr); - while (status == FXCODEC_STATUS_DECODE_TOBECONTINUE) { - pGRD->Continue_decode(pPause); - } - if (!BHDC) - return nullptr; - - GRAY = 0; - while (GRAY <= GRAYMAX) { - pDict->HDPATS[GRAY] = BHDC->subImage(HDPW * GRAY, 0, HDPW, HDPH); - GRAY = GRAY + 1; - } - delete BHDC; - return pDict.release(); -} - -CJBig2_PatternDict* CJBig2_PDDProc::decode_MMR(CJBig2_BitStream* pStream, - IFX_Pause* pPause) { - FX_DWORD GRAY; - CJBig2_Image* BHDC = nullptr; - std::unique_ptr<CJBig2_PatternDict> pDict(new CJBig2_PatternDict()); - pDict->NUMPATS = GRAYMAX + 1; - pDict->HDPATS = FX_Alloc(CJBig2_Image*, pDict->NUMPATS); - JBIG2_memset(pDict->HDPATS, 0, sizeof(CJBig2_Image*) * pDict->NUMPATS); - - std::unique_ptr<CJBig2_GRDProc> pGRD(new CJBig2_GRDProc()); - pGRD->MMR = HDMMR; - pGRD->GBW = (GRAYMAX + 1) * HDPW; - pGRD->GBH = HDPH; - FXCODEC_STATUS status = pGRD->Start_decode_MMR(&BHDC, pStream, nullptr); - while (status == FXCODEC_STATUS_DECODE_TOBECONTINUE) { - pGRD->Continue_decode(pPause); - } - if (!BHDC) - return nullptr; - - GRAY = 0; - while (GRAY <= GRAYMAX) { - pDict->HDPATS[GRAY] = BHDC->subImage(HDPW * GRAY, 0, HDPW, HDPH); - GRAY = GRAY + 1; - } - delete BHDC; - return pDict.release(); -} diff --git a/core/src/fxcodec/jbig2/JBig2_PddProc.h b/core/src/fxcodec/jbig2/JBig2_PddProc.h deleted file mode 100644 index 2f875f5d92..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_PddProc.h +++ /dev/null @@ -1,34 +0,0 @@ -// Copyright 2015 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_SRC_FXCODEC_JBIG2_JBIG2_PDDPROC_H_ -#define CORE_SRC_FXCODEC_JBIG2_JBIG2_PDDPROC_H_ - -#include "core/include/fxcrt/fx_system.h" - -class CJBig2_ArithDecoder; -class CJBig2_BitStream; -class CJBig2_PatternDict; -class IFX_Pause; -struct JBig2ArithCtx; - -class CJBig2_PDDProc { - public: - CJBig2_PatternDict* decode_Arith(CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* gbContext, - IFX_Pause* pPause); - - CJBig2_PatternDict* decode_MMR(CJBig2_BitStream* pStream, IFX_Pause* pPause); - - public: - FX_BOOL HDMMR; - uint8_t HDPW; - uint8_t HDPH; - FX_DWORD GRAYMAX; - uint8_t HDTEMPLATE; -}; - -#endif // CORE_SRC_FXCODEC_JBIG2_JBIG2_PDDPROC_H_ diff --git a/core/src/fxcodec/jbig2/JBig2_SddProc.cpp b/core/src/fxcodec/jbig2/JBig2_SddProc.cpp deleted file mode 100644 index faa70621ab..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_SddProc.cpp +++ /dev/null @@ -1,624 +0,0 @@ -// Copyright 2015 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 "core/src/fxcodec/jbig2/JBig2_SddProc.h" - -#include <memory> -#include <vector> - -#include "core/include/fxcrt/fx_basic.h" -#include "core/src/fxcodec/jbig2/JBig2_ArithIntDecoder.h" -#include "core/src/fxcodec/jbig2/JBig2_GrdProc.h" -#include "core/src/fxcodec/jbig2/JBig2_GrrdProc.h" -#include "core/src/fxcodec/jbig2/JBig2_HuffmanDecoder.h" -#include "core/src/fxcodec/jbig2/JBig2_HuffmanTable.h" -#include "core/src/fxcodec/jbig2/JBig2_HuffmanTable_Standard.h" -#include "core/src/fxcodec/jbig2/JBig2_SymbolDict.h" -#include "core/src/fxcodec/jbig2/JBig2_TrdProc.h" - -CJBig2_SymbolDict* CJBig2_SDDProc::decode_Arith( - CJBig2_ArithDecoder* pArithDecoder, - std::vector<JBig2ArithCtx>* gbContext, - std::vector<JBig2ArithCtx>* grContext) { - CJBig2_Image** SDNEWSYMS; - FX_DWORD HCHEIGHT, NSYMSDECODED; - int32_t HCDH; - FX_DWORD SYMWIDTH, TOTWIDTH; - int32_t DW; - CJBig2_Image* BS; - FX_DWORD I, J, REFAGGNINST; - FX_BOOL* EXFLAGS; - FX_DWORD EXINDEX; - FX_BOOL CUREXFLAG; - FX_DWORD EXRUNLENGTH; - FX_DWORD nTmp; - FX_DWORD SBNUMSYMS; - uint8_t SBSYMCODELEN; - int32_t RDXI, RDYI; - CJBig2_Image** SBSYMS; - std::unique_ptr<CJBig2_ArithIaidDecoder> IAID; - std::unique_ptr<CJBig2_SymbolDict> pDict; - std::unique_ptr<CJBig2_ArithIntDecoder> IADH(new CJBig2_ArithIntDecoder); - std::unique_ptr<CJBig2_ArithIntDecoder> IADW(new CJBig2_ArithIntDecoder); - std::unique_ptr<CJBig2_ArithIntDecoder> IAAI(new CJBig2_ArithIntDecoder); - std::unique_ptr<CJBig2_ArithIntDecoder> IARDX(new CJBig2_ArithIntDecoder); - std::unique_ptr<CJBig2_ArithIntDecoder> IARDY(new CJBig2_ArithIntDecoder); - std::unique_ptr<CJBig2_ArithIntDecoder> IAEX(new CJBig2_ArithIntDecoder); - std::unique_ptr<CJBig2_ArithIntDecoder> IADT(new CJBig2_ArithIntDecoder); - std::unique_ptr<CJBig2_ArithIntDecoder> IAFS(new CJBig2_ArithIntDecoder); - std::unique_ptr<CJBig2_ArithIntDecoder> IADS(new CJBig2_ArithIntDecoder); - std::unique_ptr<CJBig2_ArithIntDecoder> IAIT(new CJBig2_ArithIntDecoder); - std::unique_ptr<CJBig2_ArithIntDecoder> IARI(new CJBig2_ArithIntDecoder); - std::unique_ptr<CJBig2_ArithIntDecoder> IARDW(new CJBig2_ArithIntDecoder); - std::unique_ptr<CJBig2_ArithIntDecoder> IARDH(new CJBig2_ArithIntDecoder); - nTmp = 0; - while ((FX_DWORD)(1 << nTmp) < (SDNUMINSYMS + SDNUMNEWSYMS)) { - nTmp++; - } - IAID.reset(new CJBig2_ArithIaidDecoder((uint8_t)nTmp)); - SDNEWSYMS = FX_Alloc(CJBig2_Image*, SDNUMNEWSYMS); - FXSYS_memset(SDNEWSYMS, 0, SDNUMNEWSYMS * sizeof(CJBig2_Image*)); - - HCHEIGHT = 0; - NSYMSDECODED = 0; - while (NSYMSDECODED < SDNUMNEWSYMS) { - BS = nullptr; - IADH->decode(pArithDecoder, &HCDH); - HCHEIGHT = HCHEIGHT + HCDH; - if ((int)HCHEIGHT < 0 || (int)HCHEIGHT > JBIG2_MAX_IMAGE_SIZE) { - goto failed; - } - SYMWIDTH = 0; - TOTWIDTH = 0; - for (;;) { - if (!IADW->decode(pArithDecoder, &DW)) - break; - - if (NSYMSDECODED >= SDNUMNEWSYMS) - goto failed; - - SYMWIDTH = SYMWIDTH + DW; - if ((int)SYMWIDTH < 0 || (int)SYMWIDTH > JBIG2_MAX_IMAGE_SIZE) - goto failed; - - if (HCHEIGHT == 0 || SYMWIDTH == 0) { - TOTWIDTH = TOTWIDTH + SYMWIDTH; - SDNEWSYMS[NSYMSDECODED] = nullptr; - NSYMSDECODED = NSYMSDECODED + 1; - continue; - } - TOTWIDTH = TOTWIDTH + SYMWIDTH; - if (SDREFAGG == 0) { - std::unique_ptr<CJBig2_GRDProc> pGRD(new CJBig2_GRDProc()); - pGRD->MMR = 0; - pGRD->GBW = SYMWIDTH; - pGRD->GBH = HCHEIGHT; - pGRD->GBTEMPLATE = SDTEMPLATE; - pGRD->TPGDON = 0; - pGRD->USESKIP = 0; - pGRD->GBAT[0] = SDAT[0]; - pGRD->GBAT[1] = SDAT[1]; - pGRD->GBAT[2] = SDAT[2]; - pGRD->GBAT[3] = SDAT[3]; - pGRD->GBAT[4] = SDAT[4]; - pGRD->GBAT[5] = SDAT[5]; - pGRD->GBAT[6] = SDAT[6]; - pGRD->GBAT[7] = SDAT[7]; - BS = pGRD->decode_Arith(pArithDecoder, gbContext->data()); - if (!BS) { - goto failed; - } - } else { - IAAI->decode(pArithDecoder, (int*)&REFAGGNINST); - if (REFAGGNINST > 1) { - std::unique_ptr<CJBig2_TRDProc> pDecoder(new CJBig2_TRDProc()); - pDecoder->SBHUFF = SDHUFF; - pDecoder->SBREFINE = 1; - pDecoder->SBW = SYMWIDTH; - pDecoder->SBH = HCHEIGHT; - pDecoder->SBNUMINSTANCES = REFAGGNINST; - pDecoder->SBSTRIPS = 1; - pDecoder->SBNUMSYMS = SDNUMINSYMS + NSYMSDECODED; - SBNUMSYMS = pDecoder->SBNUMSYMS; - nTmp = 0; - while ((FX_DWORD)(1 << nTmp) < SBNUMSYMS) { - nTmp++; - } - SBSYMCODELEN = (uint8_t)nTmp; - pDecoder->SBSYMCODELEN = SBSYMCODELEN; - SBSYMS = FX_Alloc(CJBig2_Image*, SBNUMSYMS); - JBIG2_memcpy(SBSYMS, SDINSYMS, SDNUMINSYMS * sizeof(CJBig2_Image*)); - JBIG2_memcpy(SBSYMS + SDNUMINSYMS, SDNEWSYMS, - NSYMSDECODED * sizeof(CJBig2_Image*)); - pDecoder->SBSYMS = SBSYMS; - pDecoder->SBDEFPIXEL = 0; - pDecoder->SBCOMBOP = JBIG2_COMPOSE_OR; - pDecoder->TRANSPOSED = 0; - pDecoder->REFCORNER = JBIG2_CORNER_TOPLEFT; - pDecoder->SBDSOFFSET = 0; - std::unique_ptr<CJBig2_HuffmanTable> SBHUFFFS(new CJBig2_HuffmanTable( - HuffmanTable_B6, FX_ArraySize(HuffmanTable_B6), - HuffmanTable_HTOOB_B6)); - std::unique_ptr<CJBig2_HuffmanTable> SBHUFFDS(new CJBig2_HuffmanTable( - HuffmanTable_B8, FX_ArraySize(HuffmanTable_B8), - HuffmanTable_HTOOB_B8)); - std::unique_ptr<CJBig2_HuffmanTable> SBHUFFDT(new CJBig2_HuffmanTable( - HuffmanTable_B11, FX_ArraySize(HuffmanTable_B11), - HuffmanTable_HTOOB_B11)); - std::unique_ptr<CJBig2_HuffmanTable> SBHUFFRDW( - new CJBig2_HuffmanTable(HuffmanTable_B15, - FX_ArraySize(HuffmanTable_B15), - HuffmanTable_HTOOB_B15)); - std::unique_ptr<CJBig2_HuffmanTable> SBHUFFRDH( - new CJBig2_HuffmanTable(HuffmanTable_B15, - FX_ArraySize(HuffmanTable_B15), - HuffmanTable_HTOOB_B15)); - std::unique_ptr<CJBig2_HuffmanTable> SBHUFFRDX( - new CJBig2_HuffmanTable(HuffmanTable_B15, - FX_ArraySize(HuffmanTable_B15), - HuffmanTable_HTOOB_B15)); - std::unique_ptr<CJBig2_HuffmanTable> SBHUFFRDY( - new CJBig2_HuffmanTable(HuffmanTable_B15, - FX_ArraySize(HuffmanTable_B15), - HuffmanTable_HTOOB_B15)); - std::unique_ptr<CJBig2_HuffmanTable> SBHUFFRSIZE( - new CJBig2_HuffmanTable(HuffmanTable_B1, - FX_ArraySize(HuffmanTable_B1), - HuffmanTable_HTOOB_B1)); - pDecoder->SBHUFFFS = SBHUFFFS.get(); - pDecoder->SBHUFFDS = SBHUFFDS.get(); - pDecoder->SBHUFFDT = SBHUFFDT.get(); - pDecoder->SBHUFFRDW = SBHUFFRDW.get(); - pDecoder->SBHUFFRDH = SBHUFFRDH.get(); - pDecoder->SBHUFFRDX = SBHUFFRDX.get(); - pDecoder->SBHUFFRDY = SBHUFFRDY.get(); - pDecoder->SBHUFFRSIZE = SBHUFFRSIZE.get(); - pDecoder->SBRTEMPLATE = SDRTEMPLATE; - pDecoder->SBRAT[0] = SDRAT[0]; - pDecoder->SBRAT[1] = SDRAT[1]; - pDecoder->SBRAT[2] = SDRAT[2]; - pDecoder->SBRAT[3] = SDRAT[3]; - JBig2IntDecoderState ids; - ids.IADT = IADT.get(); - ids.IAFS = IAFS.get(); - ids.IADS = IADS.get(); - ids.IAIT = IAIT.get(); - ids.IARI = IARI.get(); - ids.IARDW = IARDW.get(); - ids.IARDH = IARDH.get(); - ids.IARDX = IARDX.get(); - ids.IARDY = IARDY.get(); - ids.IAID = IAID.get(); - BS = pDecoder->decode_Arith(pArithDecoder, grContext->data(), &ids); - if (!BS) { - FX_Free(SBSYMS); - goto failed; - } - FX_Free(SBSYMS); - } else if (REFAGGNINST == 1) { - SBNUMSYMS = SDNUMINSYMS + NSYMSDECODED; - FX_DWORD IDI; - IAID->decode(pArithDecoder, &IDI); - IARDX->decode(pArithDecoder, &RDXI); - IARDY->decode(pArithDecoder, &RDYI); - if (IDI >= SBNUMSYMS) { - goto failed; - } - SBSYMS = FX_Alloc(CJBig2_Image*, SBNUMSYMS); - JBIG2_memcpy(SBSYMS, SDINSYMS, SDNUMINSYMS * sizeof(CJBig2_Image*)); - JBIG2_memcpy(SBSYMS + SDNUMINSYMS, SDNEWSYMS, - NSYMSDECODED * sizeof(CJBig2_Image*)); - if (!SBSYMS[IDI]) { - FX_Free(SBSYMS); - goto failed; - } - std::unique_ptr<CJBig2_GRRDProc> pGRRD(new CJBig2_GRRDProc()); - pGRRD->GRW = SYMWIDTH; - pGRRD->GRH = HCHEIGHT; - pGRRD->GRTEMPLATE = SDRTEMPLATE; - pGRRD->GRREFERENCE = SBSYMS[IDI]; - pGRRD->GRREFERENCEDX = RDXI; - pGRRD->GRREFERENCEDY = RDYI; - pGRRD->TPGRON = 0; - pGRRD->GRAT[0] = SDRAT[0]; - pGRRD->GRAT[1] = SDRAT[1]; - pGRRD->GRAT[2] = SDRAT[2]; - pGRRD->GRAT[3] = SDRAT[3]; - BS = pGRRD->decode(pArithDecoder, grContext->data()); - if (!BS) { - FX_Free(SBSYMS); - goto failed; - } - FX_Free(SBSYMS); - } - } - SDNEWSYMS[NSYMSDECODED] = BS; - BS = nullptr; - NSYMSDECODED = NSYMSDECODED + 1; - } - } - EXINDEX = 0; - CUREXFLAG = 0; - EXFLAGS = FX_Alloc(FX_BOOL, SDNUMINSYMS + SDNUMNEWSYMS); - while (EXINDEX < SDNUMINSYMS + SDNUMNEWSYMS) { - IAEX->decode(pArithDecoder, (int*)&EXRUNLENGTH); - if (EXINDEX + EXRUNLENGTH > SDNUMINSYMS + SDNUMNEWSYMS) { - FX_Free(EXFLAGS); - goto failed; - } - if (EXRUNLENGTH != 0) { - for (I = EXINDEX; I < EXINDEX + EXRUNLENGTH; I++) { - EXFLAGS[I] = CUREXFLAG; - } - } - EXINDEX = EXINDEX + EXRUNLENGTH; - CUREXFLAG = !CUREXFLAG; - } - pDict.reset(new CJBig2_SymbolDict); - I = J = 0; - for (I = 0; I < SDNUMINSYMS + SDNUMNEWSYMS; I++) { - if (EXFLAGS[I] && J < SDNUMEXSYMS) { - if (I < SDNUMINSYMS) { - pDict->AddImage(SDINSYMS[I] ? new CJBig2_Image(*SDINSYMS[I]) : nullptr); - } else { - pDict->AddImage(SDNEWSYMS[I - SDNUMINSYMS]); - } - ++J; - } else if (!EXFLAGS[I] && I >= SDNUMINSYMS) { - delete SDNEWSYMS[I - SDNUMINSYMS]; - } - } - FX_Free(EXFLAGS); - FX_Free(SDNEWSYMS); - return pDict.release(); -failed: - for (I = 0; I < NSYMSDECODED; I++) { - if (SDNEWSYMS[I]) { - delete SDNEWSYMS[I]; - SDNEWSYMS[I] = nullptr; - } - } - FX_Free(SDNEWSYMS); - return nullptr; -} - -CJBig2_SymbolDict* CJBig2_SDDProc::decode_Huffman( - CJBig2_BitStream* pStream, - std::vector<JBig2ArithCtx>* gbContext, - std::vector<JBig2ArithCtx>* grContext, - IFX_Pause* pPause) { - CJBig2_Image** SDNEWSYMS; - FX_DWORD* SDNEWSYMWIDTHS; - FX_DWORD HCHEIGHT, NSYMSDECODED; - int32_t HCDH; - FX_DWORD SYMWIDTH, TOTWIDTH, HCFIRSTSYM; - int32_t DW; - CJBig2_Image* BS, *BHC; - FX_DWORD I, J, REFAGGNINST; - FX_BOOL* EXFLAGS; - FX_DWORD EXINDEX; - FX_BOOL CUREXFLAG; - FX_DWORD EXRUNLENGTH; - int32_t nVal, nBits; - FX_DWORD nTmp; - FX_DWORD SBNUMSYMS; - uint8_t SBSYMCODELEN; - JBig2HuffmanCode* SBSYMCODES; - FX_DWORD IDI; - int32_t RDXI, RDYI; - FX_DWORD BMSIZE; - FX_DWORD stride; - CJBig2_Image** SBSYMS; - std::unique_ptr<CJBig2_HuffmanDecoder> pHuffmanDecoder( - new CJBig2_HuffmanDecoder(pStream)); - SDNEWSYMS = FX_Alloc(CJBig2_Image*, SDNUMNEWSYMS); - FXSYS_memset(SDNEWSYMS, 0, SDNUMNEWSYMS * sizeof(CJBig2_Image*)); - SDNEWSYMWIDTHS = nullptr; - BHC = nullptr; - if (SDREFAGG == 0) { - SDNEWSYMWIDTHS = FX_Alloc(FX_DWORD, SDNUMNEWSYMS); - FXSYS_memset(SDNEWSYMWIDTHS, 0, SDNUMNEWSYMS * sizeof(FX_DWORD)); - } - std::unique_ptr<CJBig2_SymbolDict> pDict(new CJBig2_SymbolDict()); - std::unique_ptr<CJBig2_HuffmanTable> pTable; - - HCHEIGHT = 0; - NSYMSDECODED = 0; - BS = nullptr; - while (NSYMSDECODED < SDNUMNEWSYMS) { - if (pHuffmanDecoder->decodeAValue(SDHUFFDH, &HCDH) != 0) { - goto failed; - } - HCHEIGHT = HCHEIGHT + HCDH; - if ((int)HCHEIGHT < 0 || (int)HCHEIGHT > JBIG2_MAX_IMAGE_SIZE) { - goto failed; - } - SYMWIDTH = 0; - TOTWIDTH = 0; - HCFIRSTSYM = NSYMSDECODED; - for (;;) { - nVal = pHuffmanDecoder->decodeAValue(SDHUFFDW, &DW); - if (nVal == JBIG2_OOB) { - break; - } else if (nVal != 0) { - goto failed; - } else { - if (NSYMSDECODED >= SDNUMNEWSYMS) { - goto failed; - } - SYMWIDTH = SYMWIDTH + DW; - if ((int)SYMWIDTH < 0 || (int)SYMWIDTH > JBIG2_MAX_IMAGE_SIZE) { - goto failed; - } else if (HCHEIGHT == 0 || SYMWIDTH == 0) { - TOTWIDTH = TOTWIDTH + SYMWIDTH; - SDNEWSYMS[NSYMSDECODED] = nullptr; - NSYMSDECODED = NSYMSDECODED + 1; - continue; - } - TOTWIDTH = TOTWIDTH + SYMWIDTH; - } - if (SDREFAGG == 1) { - if (pHuffmanDecoder->decodeAValue(SDHUFFAGGINST, (int*)&REFAGGNINST) != - 0) { - goto failed; - } - BS = nullptr; - if (REFAGGNINST > 1) { - std::unique_ptr<CJBig2_TRDProc> pDecoder(new CJBig2_TRDProc()); - pDecoder->SBHUFF = SDHUFF; - pDecoder->SBREFINE = 1; - pDecoder->SBW = SYMWIDTH; - pDecoder->SBH = HCHEIGHT; - pDecoder->SBNUMINSTANCES = REFAGGNINST; - pDecoder->SBSTRIPS = 1; - pDecoder->SBNUMSYMS = SDNUMINSYMS + NSYMSDECODED; - SBNUMSYMS = pDecoder->SBNUMSYMS; - SBSYMCODES = FX_Alloc(JBig2HuffmanCode, SBNUMSYMS); - nTmp = 1; - while ((FX_DWORD)(1 << nTmp) < SBNUMSYMS) { - nTmp++; - } - for (I = 0; I < SBNUMSYMS; I++) { - SBSYMCODES[I].codelen = nTmp; - SBSYMCODES[I].code = I; - } - pDecoder->SBSYMCODES = SBSYMCODES; - SBSYMS = FX_Alloc(CJBig2_Image*, SBNUMSYMS); - JBIG2_memcpy(SBSYMS, SDINSYMS, SDNUMINSYMS * sizeof(CJBig2_Image*)); - JBIG2_memcpy(SBSYMS + SDNUMINSYMS, SDNEWSYMS, - NSYMSDECODED * sizeof(CJBig2_Image*)); - pDecoder->SBSYMS = SBSYMS; - pDecoder->SBDEFPIXEL = 0; - pDecoder->SBCOMBOP = JBIG2_COMPOSE_OR; - pDecoder->TRANSPOSED = 0; - pDecoder->REFCORNER = JBIG2_CORNER_TOPLEFT; - pDecoder->SBDSOFFSET = 0; - std::unique_ptr<CJBig2_HuffmanTable> SBHUFFFS(new CJBig2_HuffmanTable( - HuffmanTable_B6, FX_ArraySize(HuffmanTable_B6), - HuffmanTable_HTOOB_B6)); - std::unique_ptr<CJBig2_HuffmanTable> SBHUFFDS(new CJBig2_HuffmanTable( - HuffmanTable_B8, FX_ArraySize(HuffmanTable_B8), - HuffmanTable_HTOOB_B8)); - std::unique_ptr<CJBig2_HuffmanTable> SBHUFFDT(new CJBig2_HuffmanTable( - HuffmanTable_B11, FX_ArraySize(HuffmanTable_B11), - HuffmanTable_HTOOB_B11)); - std::unique_ptr<CJBig2_HuffmanTable> SBHUFFRDW( - new CJBig2_HuffmanTable(HuffmanTable_B15, - FX_ArraySize(HuffmanTable_B15), - HuffmanTable_HTOOB_B15)); - std::unique_ptr<CJBig2_HuffmanTable> SBHUFFRDH( - new CJBig2_HuffmanTable(HuffmanTable_B15, - FX_ArraySize(HuffmanTable_B15), - HuffmanTable_HTOOB_B15)); - std::unique_ptr<CJBig2_HuffmanTable> SBHUFFRDX( - new CJBig2_HuffmanTable(HuffmanTable_B15, - FX_ArraySize(HuffmanTable_B15), - HuffmanTable_HTOOB_B15)); - std::unique_ptr<CJBig2_HuffmanTable> SBHUFFRDY( - new CJBig2_HuffmanTable(HuffmanTable_B15, - FX_ArraySize(HuffmanTable_B15), - HuffmanTable_HTOOB_B15)); - std::unique_ptr<CJBig2_HuffmanTable> SBHUFFRSIZE( - new CJBig2_HuffmanTable(HuffmanTable_B1, - FX_ArraySize(HuffmanTable_B1), - HuffmanTable_HTOOB_B1)); - pDecoder->SBHUFFFS = SBHUFFFS.get(); - pDecoder->SBHUFFDS = SBHUFFDS.get(); - pDecoder->SBHUFFDT = SBHUFFDT.get(); - pDecoder->SBHUFFRDW = SBHUFFRDW.get(); - pDecoder->SBHUFFRDH = SBHUFFRDH.get(); - pDecoder->SBHUFFRDX = SBHUFFRDX.get(); - pDecoder->SBHUFFRDY = SBHUFFRDY.get(); - pDecoder->SBHUFFRSIZE = SBHUFFRSIZE.get(); - pDecoder->SBRTEMPLATE = SDRTEMPLATE; - pDecoder->SBRAT[0] = SDRAT[0]; - pDecoder->SBRAT[1] = SDRAT[1]; - pDecoder->SBRAT[2] = SDRAT[2]; - pDecoder->SBRAT[3] = SDRAT[3]; - BS = pDecoder->decode_Huffman(pStream, grContext->data()); - if (!BS) { - FX_Free(SBSYMCODES); - FX_Free(SBSYMS); - goto failed; - } - FX_Free(SBSYMCODES); - FX_Free(SBSYMS); - } else if (REFAGGNINST == 1) { - SBNUMSYMS = SDNUMINSYMS + SDNUMNEWSYMS; - nTmp = 1; - while ((FX_DWORD)(1 << nTmp) < SBNUMSYMS) { - nTmp++; - } - SBSYMCODELEN = (uint8_t)nTmp; - SBSYMCODES = FX_Alloc(JBig2HuffmanCode, SBNUMSYMS); - for (I = 0; I < SBNUMSYMS; I++) { - SBSYMCODES[I].codelen = SBSYMCODELEN; - SBSYMCODES[I].code = I; - } - nVal = 0; - nBits = 0; - for (;;) { - if (pStream->read1Bit(&nTmp) != 0) { - FX_Free(SBSYMCODES); - goto failed; - } - nVal = (nVal << 1) | nTmp; - for (IDI = 0; IDI < SBNUMSYMS; IDI++) { - if ((nVal == SBSYMCODES[IDI].code) && - (nBits == SBSYMCODES[IDI].codelen)) { - break; - } - } - if (IDI < SBNUMSYMS) { - break; - } - } - FX_Free(SBSYMCODES); - std::unique_ptr<CJBig2_HuffmanTable> SBHUFFRDX( - new CJBig2_HuffmanTable(HuffmanTable_B15, - FX_ArraySize(HuffmanTable_B15), - HuffmanTable_HTOOB_B15)); - std::unique_ptr<CJBig2_HuffmanTable> SBHUFFRSIZE( - new CJBig2_HuffmanTable(HuffmanTable_B1, - FX_ArraySize(HuffmanTable_B1), - HuffmanTable_HTOOB_B1)); - if ((pHuffmanDecoder->decodeAValue(SBHUFFRDX.get(), &RDXI) != 0) || - (pHuffmanDecoder->decodeAValue(SBHUFFRDX.get(), &RDYI) != 0) || - (pHuffmanDecoder->decodeAValue(SBHUFFRSIZE.get(), &nVal) != 0)) { - goto failed; - } - pStream->alignByte(); - nTmp = pStream->getOffset(); - SBSYMS = FX_Alloc(CJBig2_Image*, SBNUMSYMS); - JBIG2_memcpy(SBSYMS, SDINSYMS, SDNUMINSYMS * sizeof(CJBig2_Image*)); - JBIG2_memcpy(SBSYMS + SDNUMINSYMS, SDNEWSYMS, - NSYMSDECODED * sizeof(CJBig2_Image*)); - std::unique_ptr<CJBig2_GRRDProc> pGRRD(new CJBig2_GRRDProc()); - pGRRD->GRW = SYMWIDTH; - pGRRD->GRH = HCHEIGHT; - pGRRD->GRTEMPLATE = SDRTEMPLATE; - pGRRD->GRREFERENCE = SBSYMS[IDI]; - pGRRD->GRREFERENCEDX = RDXI; - pGRRD->GRREFERENCEDY = RDYI; - pGRRD->TPGRON = 0; - pGRRD->GRAT[0] = SDRAT[0]; - pGRRD->GRAT[1] = SDRAT[1]; - pGRRD->GRAT[2] = SDRAT[2]; - pGRRD->GRAT[3] = SDRAT[3]; - std::unique_ptr<CJBig2_ArithDecoder> pArithDecoder( - new CJBig2_ArithDecoder(pStream)); - BS = pGRRD->decode(pArithDecoder.get(), grContext->data()); - if (!BS) { - FX_Free(SBSYMS); - goto failed; - } - pStream->alignByte(); - pStream->offset(2); - if ((FX_DWORD)nVal != (pStream->getOffset() - nTmp)) { - delete BS; - FX_Free(SBSYMS); - goto failed; - } - FX_Free(SBSYMS); - } - SDNEWSYMS[NSYMSDECODED] = BS; - } - if (SDREFAGG == 0) { - SDNEWSYMWIDTHS[NSYMSDECODED] = SYMWIDTH; - } - NSYMSDECODED = NSYMSDECODED + 1; - } - if (SDREFAGG == 0) { - if (pHuffmanDecoder->decodeAValue(SDHUFFBMSIZE, (int32_t*)&BMSIZE) != 0) { - goto failed; - } - pStream->alignByte(); - if (BMSIZE == 0) { - stride = (TOTWIDTH + 7) >> 3; - if (pStream->getByteLeft() >= stride * HCHEIGHT) { - BHC = new CJBig2_Image(TOTWIDTH, HCHEIGHT); - for (I = 0; I < HCHEIGHT; I++) { - JBIG2_memcpy(BHC->m_pData + I * BHC->m_nStride, - pStream->getPointer(), stride); - pStream->offset(stride); - } - } else { - goto failed; - } - } else { - std::unique_ptr<CJBig2_GRDProc> pGRD(new CJBig2_GRDProc()); - pGRD->MMR = 1; - pGRD->GBW = TOTWIDTH; - pGRD->GBH = HCHEIGHT; - FXCODEC_STATUS status = pGRD->Start_decode_MMR(&BHC, pStream, nullptr); - while (status == FXCODEC_STATUS_DECODE_TOBECONTINUE) { - pGRD->Continue_decode(pPause); - } - pStream->alignByte(); - } - nTmp = 0; - if (!BHC) { - continue; - } - for (I = HCFIRSTSYM; I < NSYMSDECODED; I++) { - SDNEWSYMS[I] = BHC->subImage(nTmp, 0, SDNEWSYMWIDTHS[I], HCHEIGHT); - nTmp += SDNEWSYMWIDTHS[I]; - } - delete BHC; - BHC = nullptr; - } - } - EXINDEX = 0; - CUREXFLAG = 0; - pTable.reset(new CJBig2_HuffmanTable( - HuffmanTable_B1, FX_ArraySize(HuffmanTable_B1), HuffmanTable_HTOOB_B1)); - EXFLAGS = FX_Alloc(FX_BOOL, SDNUMINSYMS + SDNUMNEWSYMS); - while (EXINDEX < SDNUMINSYMS + SDNUMNEWSYMS) { - if (pHuffmanDecoder->decodeAValue(pTable.get(), (int*)&EXRUNLENGTH) != 0) { - FX_Free(EXFLAGS); - goto failed; - } - if (EXINDEX + EXRUNLENGTH > SDNUMINSYMS + SDNUMNEWSYMS) { - FX_Free(EXFLAGS); - goto failed; - } - if (EXRUNLENGTH != 0) { - for (I = EXINDEX; I < EXINDEX + EXRUNLENGTH; I++) { - EXFLAGS[I] = CUREXFLAG; - } - } - EXINDEX = EXINDEX + EXRUNLENGTH; - CUREXFLAG = !CUREXFLAG; - } - I = J = 0; - for (I = 0; I < SDNUMINSYMS + SDNUMNEWSYMS; I++) { - if (EXFLAGS[I] && J < SDNUMEXSYMS) { - if (I < SDNUMINSYMS) { - pDict->AddImage(SDINSYMS[I] ? new CJBig2_Image(*SDINSYMS[I]) : nullptr); - } else { - pDict->AddImage(SDNEWSYMS[I - SDNUMINSYMS]); - } - ++J; - } else if (!EXFLAGS[I] && I >= SDNUMINSYMS) { - delete SDNEWSYMS[I - SDNUMINSYMS]; - } - } - FX_Free(EXFLAGS); - FX_Free(SDNEWSYMS); - if (SDREFAGG == 0) { - FX_Free(SDNEWSYMWIDTHS); - } - return pDict.release(); -failed: - for (I = 0; I < NSYMSDECODED; I++) { - delete SDNEWSYMS[I]; - } - FX_Free(SDNEWSYMS); - if (SDREFAGG == 0) { - FX_Free(SDNEWSYMWIDTHS); - } - return nullptr; -} diff --git a/core/src/fxcodec/jbig2/JBig2_SddProc.h b/core/src/fxcodec/jbig2/JBig2_SddProc.h deleted file mode 100644 index b01ce2fd66..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_SddProc.h +++ /dev/null @@ -1,49 +0,0 @@ -// Copyright 2015 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_SRC_FXCODEC_JBIG2_JBIG2_SDDPROC_H_ -#define CORE_SRC_FXCODEC_JBIG2_JBIG2_SDDPROC_H_ - -#include <vector> - -#include "core/include/fxcrt/fx_system.h" -#include "core/src/fxcodec/jbig2/JBig2_ArithDecoder.h" - -class CJBig2_BitStream; -class CJBig2_HuffmanTable; -class CJBig2_Image; -class CJBig2_SymbolDict; -class IFX_Pause; - -class CJBig2_SDDProc { - public: - CJBig2_SymbolDict* decode_Arith(CJBig2_ArithDecoder* pArithDecoder, - std::vector<JBig2ArithCtx>* gbContext, - std::vector<JBig2ArithCtx>* grContext); - - CJBig2_SymbolDict* decode_Huffman(CJBig2_BitStream* pStream, - std::vector<JBig2ArithCtx>* gbContext, - std::vector<JBig2ArithCtx>* grContext, - IFX_Pause* pPause); - - public: - FX_BOOL SDHUFF; - FX_BOOL SDREFAGG; - FX_DWORD SDNUMINSYMS; - CJBig2_Image** SDINSYMS; - FX_DWORD SDNUMNEWSYMS; - FX_DWORD SDNUMEXSYMS; - CJBig2_HuffmanTable* SDHUFFDH; - CJBig2_HuffmanTable* SDHUFFDW; - CJBig2_HuffmanTable* SDHUFFBMSIZE; - CJBig2_HuffmanTable* SDHUFFAGGINST; - uint8_t SDTEMPLATE; - int8_t SDAT[8]; - FX_BOOL SDRTEMPLATE; - int8_t SDRAT[4]; -}; - -#endif // CORE_SRC_FXCODEC_JBIG2_JBIG2_SDDPROC_H_ diff --git a/core/src/fxcodec/jbig2/JBig2_Segment.cpp b/core/src/fxcodec/jbig2/JBig2_Segment.cpp deleted file mode 100644 index 21fa4d4572..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_Segment.cpp +++ /dev/null @@ -1,44 +0,0 @@ -// 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 "core/src/fxcodec/jbig2/JBig2_Segment.h" - -#include "core/include/fxcrt/fx_memory.h" - -CJBig2_Segment::CJBig2_Segment() { - m_dwNumber = 0; - m_cFlags.c = 0; - m_nReferred_to_segment_count = 0; - m_pReferred_to_segment_numbers = NULL; - m_dwPage_association = 0; - m_dwData_length = 0; - m_dwHeader_Length = 0; - m_dwObjNum = 0; - m_dwDataOffset = 0; - m_State = JBIG2_SEGMENT_HEADER_UNPARSED; - m_nResultType = JBIG2_VOID_POINTER; - m_Result.vd = NULL; -} -CJBig2_Segment::~CJBig2_Segment() { - FX_Free(m_pReferred_to_segment_numbers); - - switch (m_nResultType) { - case JBIG2_IMAGE_POINTER: - delete m_Result.im; - break; - case JBIG2_SYMBOL_DICT_POINTER: - delete m_Result.sd; - break; - case JBIG2_PATTERN_DICT_POINTER: - delete m_Result.pd; - break; - case JBIG2_HUFFMAN_TABLE_POINTER: - delete m_Result.ht; - break; - default: - FX_Free(m_Result.vd); - } -} diff --git a/core/src/fxcodec/jbig2/JBig2_Segment.h b/core/src/fxcodec/jbig2/JBig2_Segment.h deleted file mode 100644 index 0f76ad2ab3..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_Segment.h +++ /dev/null @@ -1,66 +0,0 @@ -// 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_SRC_FXCODEC_JBIG2_JBIG2_SEGMENT_H_ -#define CORE_SRC_FXCODEC_JBIG2_JBIG2_SEGMENT_H_ - -#include "core/src/fxcodec/jbig2/JBig2_Define.h" -#include "core/src/fxcodec/jbig2/JBig2_HuffmanTable.h" -#include "core/src/fxcodec/jbig2/JBig2_PatternDict.h" -#include "core/src/fxcodec/jbig2/JBig2_SymbolDict.h" - -#define JBIG2_GET_INT32(buf) \ - (((buf)[0] << 24) | ((buf)[1] << 16) | ((buf)[2] << 8) | (buf)[3]) -#define JBIG2_GET_INT16(buf) (((buf)[0] << 8) | (buf)[1]) -typedef enum { - JBIG2_SEGMENT_HEADER_UNPARSED, - JBIG2_SEGMENT_DATA_UNPARSED, - JBIG2_SEGMENT_PARSE_COMPLETE, - JBIG2_SEGMENT_PAUSED, - JBIG2_SEGMENT_ERROR -} JBig2_SegmentState; -typedef enum { - JBIG2_VOID_POINTER = 0, - JBIG2_IMAGE_POINTER, - JBIG2_SYMBOL_DICT_POINTER, - JBIG2_PATTERN_DICT_POINTER, - JBIG2_HUFFMAN_TABLE_POINTER -} JBig2_ResultType; -class CJBig2_Segment { - public: - CJBig2_Segment(); - - ~CJBig2_Segment(); - - FX_DWORD m_dwNumber; - union { - struct { - uint8_t type : 6; - uint8_t page_association_size : 1; - uint8_t deferred_non_retain : 1; - } s; - uint8_t c; - } m_cFlags; - int32_t m_nReferred_to_segment_count; - FX_DWORD* m_pReferred_to_segment_numbers; - FX_DWORD m_dwPage_association; - FX_DWORD m_dwData_length; - - FX_DWORD m_dwHeader_Length; - FX_DWORD m_dwObjNum; - FX_DWORD m_dwDataOffset; - JBig2_SegmentState m_State; - JBig2_ResultType m_nResultType; - union { - CJBig2_SymbolDict* sd; - CJBig2_PatternDict* pd; - CJBig2_Image* im; - CJBig2_HuffmanTable* ht; - void* vd; - } m_Result; -}; - -#endif // CORE_SRC_FXCODEC_JBIG2_JBIG2_SEGMENT_H_ diff --git a/core/src/fxcodec/jbig2/JBig2_SymbolDict.cpp b/core/src/fxcodec/jbig2/JBig2_SymbolDict.cpp deleted file mode 100644 index 5db77250f0..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_SymbolDict.cpp +++ /dev/null @@ -1,28 +0,0 @@ -// 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 "core/src/fxcodec/jbig2/JBig2_SymbolDict.h" - -#include "core/include/fxcrt/fx_memory.h" -#include "core/src/fxcodec/jbig2/JBig2_Image.h" - -CJBig2_SymbolDict::CJBig2_SymbolDict() { -} - -CJBig2_SymbolDict::~CJBig2_SymbolDict() { -} - -std::unique_ptr<CJBig2_SymbolDict> CJBig2_SymbolDict::DeepCopy() const { - const CJBig2_SymbolDict* src = this; - std::unique_ptr<CJBig2_SymbolDict> dst(new CJBig2_SymbolDict); - for (size_t i = 0; i < src->m_SDEXSYMS.size(); ++i) { - CJBig2_Image* image = src->m_SDEXSYMS.get(i); - dst->m_SDEXSYMS.push_back(image ? new CJBig2_Image(*image) : nullptr); - } - dst->m_gbContext = src->m_gbContext; - dst->m_grContext = src->m_grContext; - return dst; -} diff --git a/core/src/fxcodec/jbig2/JBig2_SymbolDict.h b/core/src/fxcodec/jbig2/JBig2_SymbolDict.h deleted file mode 100644 index 5880a83bef..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_SymbolDict.h +++ /dev/null @@ -1,48 +0,0 @@ -// 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_SRC_FXCODEC_JBIG2_JBIG2_SYMBOLDICT_H_ -#define CORE_SRC_FXCODEC_JBIG2_JBIG2_SYMBOLDICT_H_ - -#include <memory> -#include <vector> - -#include "core/include/fxcrt/fx_basic.h" -#include "core/src/fxcodec/jbig2/JBig2_ArithDecoder.h" -#include "core/src/fxcodec/jbig2/JBig2_List.h" - -class CJBig2_Image; - -class CJBig2_SymbolDict { - public: - CJBig2_SymbolDict(); - ~CJBig2_SymbolDict(); - - std::unique_ptr<CJBig2_SymbolDict> DeepCopy() const; - - // Takes ownership of |image|. - void AddImage(CJBig2_Image* image) { m_SDEXSYMS.push_back(image); } - - size_t NumImages() const { return m_SDEXSYMS.size(); } - CJBig2_Image* GetImage(size_t index) const { return m_SDEXSYMS.get(index); } - - const std::vector<JBig2ArithCtx>& GbContext() const { return m_gbContext; } - const std::vector<JBig2ArithCtx>& GrContext() const { return m_grContext; } - - void SetGbContext(const std::vector<JBig2ArithCtx>& gbContext) { - m_gbContext = gbContext; - } - void SetGrContext(const std::vector<JBig2ArithCtx>& grContext) { - m_grContext = grContext; - } - - private: - std::vector<JBig2ArithCtx> m_gbContext; - std::vector<JBig2ArithCtx> m_grContext; - CJBig2_List<CJBig2_Image> m_SDEXSYMS; -}; - -#endif // CORE_SRC_FXCODEC_JBIG2_JBIG2_SYMBOLDICT_H_ diff --git a/core/src/fxcodec/jbig2/JBig2_TrdProc.cpp b/core/src/fxcodec/jbig2/JBig2_TrdProc.cpp deleted file mode 100644 index aa9ca59893..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_TrdProc.cpp +++ /dev/null @@ -1,407 +0,0 @@ -// Copyright 2015 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 "core/src/fxcodec/jbig2/JBig2_TrdProc.h" - -#include <memory> - -#include "core/src/fxcodec/jbig2/JBig2_ArithDecoder.h" -#include "core/src/fxcodec/jbig2/JBig2_ArithIntDecoder.h" -#include "core/src/fxcodec/jbig2/JBig2_GrrdProc.h" -#include "core/src/fxcodec/jbig2/JBig2_HuffmanDecoder.h" - -CJBig2_Image* CJBig2_TRDProc::decode_Huffman(CJBig2_BitStream* pStream, - JBig2ArithCtx* grContext) { - int32_t STRIPT, FIRSTS; - FX_DWORD NINSTANCES; - int32_t DT, DFS, CURS; - int32_t SI, TI; - CJBig2_Image* IBI; - FX_DWORD WI, HI; - int32_t IDS; - FX_BOOL RI; - int32_t RDWI, RDHI, RDXI, RDYI; - CJBig2_Image* IBOI; - FX_DWORD WOI, HOI; - FX_BOOL bFirst; - FX_DWORD nTmp; - int32_t nVal, nBits; - std::unique_ptr<CJBig2_HuffmanDecoder> pHuffmanDecoder( - new CJBig2_HuffmanDecoder(pStream)); - std::unique_ptr<CJBig2_Image> SBREG(new CJBig2_Image(SBW, SBH)); - SBREG->fill(SBDEFPIXEL); - if (pHuffmanDecoder->decodeAValue(SBHUFFDT, &STRIPT) != 0) - return nullptr; - - STRIPT *= SBSTRIPS; - STRIPT = -STRIPT; - FIRSTS = 0; - NINSTANCES = 0; - while (NINSTANCES < SBNUMINSTANCES) { - if (pHuffmanDecoder->decodeAValue(SBHUFFDT, &DT) != 0) - return nullptr; - - DT *= SBSTRIPS; - STRIPT = STRIPT + DT; - bFirst = TRUE; - for (;;) { - if (bFirst) { - if (pHuffmanDecoder->decodeAValue(SBHUFFFS, &DFS) != 0) - return nullptr; - - FIRSTS = FIRSTS + DFS; - CURS = FIRSTS; - bFirst = FALSE; - } else { - nVal = pHuffmanDecoder->decodeAValue(SBHUFFDS, &IDS); - if (nVal == JBIG2_OOB) { - break; - } else if (nVal != 0) { - return nullptr; - } else { - CURS = CURS + IDS + SBDSOFFSET; - } - } - uint8_t CURT = 0; - if (SBSTRIPS != 1) { - nTmp = 1; - while ((FX_DWORD)(1 << nTmp) < SBSTRIPS) { - nTmp++; - } - if (pStream->readNBits(nTmp, &nVal) != 0) - return nullptr; - - CURT = nVal; - } - TI = STRIPT + CURT; - nVal = 0; - nBits = 0; - FX_DWORD IDI; - for (;;) { - if (pStream->read1Bit(&nTmp) != 0) - return nullptr; - - nVal = (nVal << 1) | nTmp; - nBits++; - for (IDI = 0; IDI < SBNUMSYMS; IDI++) { - if ((nBits == SBSYMCODES[IDI].codelen) && - (nVal == SBSYMCODES[IDI].code)) { - break; - } - } - if (IDI < SBNUMSYMS) { - break; - } - } - if (SBREFINE == 0) { - RI = 0; - } else { - if (pStream->read1Bit(&RI) != 0) { - return nullptr; - } - } - if (RI == 0) { - IBI = SBSYMS[IDI]; - } else { - if ((pHuffmanDecoder->decodeAValue(SBHUFFRDW, &RDWI) != 0) || - (pHuffmanDecoder->decodeAValue(SBHUFFRDH, &RDHI) != 0) || - (pHuffmanDecoder->decodeAValue(SBHUFFRDX, &RDXI) != 0) || - (pHuffmanDecoder->decodeAValue(SBHUFFRDY, &RDYI) != 0) || - (pHuffmanDecoder->decodeAValue(SBHUFFRSIZE, &nVal) != 0)) { - return nullptr; - } - pStream->alignByte(); - nTmp = pStream->getOffset(); - IBOI = SBSYMS[IDI]; - if (!IBOI) - return nullptr; - - WOI = IBOI->m_nWidth; - HOI = IBOI->m_nHeight; - if ((int)(WOI + RDWI) < 0 || (int)(HOI + RDHI) < 0) - return nullptr; - - std::unique_ptr<CJBig2_GRRDProc> pGRRD(new CJBig2_GRRDProc()); - pGRRD->GRW = WOI + RDWI; - pGRRD->GRH = HOI + RDHI; - pGRRD->GRTEMPLATE = SBRTEMPLATE; - pGRRD->GRREFERENCE = IBOI; - pGRRD->GRREFERENCEDX = (RDWI >> 2) + RDXI; - pGRRD->GRREFERENCEDY = (RDHI >> 2) + RDYI; - pGRRD->TPGRON = 0; - pGRRD->GRAT[0] = SBRAT[0]; - pGRRD->GRAT[1] = SBRAT[1]; - pGRRD->GRAT[2] = SBRAT[2]; - pGRRD->GRAT[3] = SBRAT[3]; - - { - std::unique_ptr<CJBig2_ArithDecoder> pArithDecoder( - new CJBig2_ArithDecoder(pStream)); - IBI = pGRRD->decode(pArithDecoder.get(), grContext); - if (!IBI) - return nullptr; - } - - pStream->alignByte(); - pStream->offset(2); - if ((FX_DWORD)nVal != (pStream->getOffset() - nTmp)) { - delete IBI; - return nullptr; - } - } - if (!IBI) { - continue; - } - WI = IBI->m_nWidth; - HI = IBI->m_nHeight; - if (TRANSPOSED == 0 && ((REFCORNER == JBIG2_CORNER_TOPRIGHT) || - (REFCORNER == JBIG2_CORNER_BOTTOMRIGHT))) { - CURS = CURS + WI - 1; - } else if (TRANSPOSED == 1 && ((REFCORNER == JBIG2_CORNER_BOTTOMLEFT) || - (REFCORNER == JBIG2_CORNER_BOTTOMRIGHT))) { - CURS = CURS + HI - 1; - } - SI = CURS; - if (TRANSPOSED == 0) { - switch (REFCORNER) { - case JBIG2_CORNER_TOPLEFT: - SBREG->composeFrom(SI, TI, IBI, SBCOMBOP); - break; - case JBIG2_CORNER_TOPRIGHT: - SBREG->composeFrom(SI - WI + 1, TI, IBI, SBCOMBOP); - break; - case JBIG2_CORNER_BOTTOMLEFT: - SBREG->composeFrom(SI, TI - HI + 1, IBI, SBCOMBOP); - break; - case JBIG2_CORNER_BOTTOMRIGHT: - SBREG->composeFrom(SI - WI + 1, TI - HI + 1, IBI, SBCOMBOP); - break; - } - } else { - switch (REFCORNER) { - case JBIG2_CORNER_TOPLEFT: - SBREG->composeFrom(TI, SI, IBI, SBCOMBOP); - break; - case JBIG2_CORNER_TOPRIGHT: - SBREG->composeFrom(TI - WI + 1, SI, IBI, SBCOMBOP); - break; - case JBIG2_CORNER_BOTTOMLEFT: - SBREG->composeFrom(TI, SI - HI + 1, IBI, SBCOMBOP); - break; - case JBIG2_CORNER_BOTTOMRIGHT: - SBREG->composeFrom(TI - WI + 1, SI - HI + 1, IBI, SBCOMBOP); - break; - } - } - if (RI != 0) { - delete IBI; - } - if (TRANSPOSED == 0 && ((REFCORNER == JBIG2_CORNER_TOPLEFT) || - (REFCORNER == JBIG2_CORNER_BOTTOMLEFT))) { - CURS = CURS + WI - 1; - } else if (TRANSPOSED == 1 && ((REFCORNER == JBIG2_CORNER_TOPLEFT) || - (REFCORNER == JBIG2_CORNER_TOPRIGHT))) { - CURS = CURS + HI - 1; - } - NINSTANCES = NINSTANCES + 1; - } - } - return SBREG.release(); -} - -CJBig2_Image* CJBig2_TRDProc::decode_Arith(CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* grContext, - JBig2IntDecoderState* pIDS) { - std::unique_ptr<CJBig2_ArithIntDecoder> IADT; - std::unique_ptr<CJBig2_ArithIntDecoder> IAFS; - std::unique_ptr<CJBig2_ArithIntDecoder> IADS; - std::unique_ptr<CJBig2_ArithIntDecoder> IAIT; - std::unique_ptr<CJBig2_ArithIntDecoder> IARI; - std::unique_ptr<CJBig2_ArithIntDecoder> IARDW; - std::unique_ptr<CJBig2_ArithIntDecoder> IARDH; - std::unique_ptr<CJBig2_ArithIntDecoder> IARDX; - std::unique_ptr<CJBig2_ArithIntDecoder> IARDY; - std::unique_ptr<CJBig2_ArithIaidDecoder> IAID; - CJBig2_ArithIntDecoder* pIADT; - CJBig2_ArithIntDecoder* pIAFS; - CJBig2_ArithIntDecoder* pIADS; - CJBig2_ArithIntDecoder* pIAIT; - CJBig2_ArithIntDecoder* pIARI; - CJBig2_ArithIntDecoder* pIARDW; - CJBig2_ArithIntDecoder* pIARDH; - CJBig2_ArithIntDecoder* pIARDX; - CJBig2_ArithIntDecoder* pIARDY; - CJBig2_ArithIaidDecoder* pIAID; - if (pIDS) { - pIADT = pIDS->IADT; - pIAFS = pIDS->IAFS; - pIADS = pIDS->IADS; - pIAIT = pIDS->IAIT; - pIARI = pIDS->IARI; - pIARDW = pIDS->IARDW; - pIARDH = pIDS->IARDH; - pIARDX = pIDS->IARDX; - pIARDY = pIDS->IARDY; - pIAID = pIDS->IAID; - } else { - IADT.reset(new CJBig2_ArithIntDecoder()); - IAFS.reset(new CJBig2_ArithIntDecoder()); - IADS.reset(new CJBig2_ArithIntDecoder()); - IAIT.reset(new CJBig2_ArithIntDecoder()); - IARI.reset(new CJBig2_ArithIntDecoder()); - IARDW.reset(new CJBig2_ArithIntDecoder()); - IARDH.reset(new CJBig2_ArithIntDecoder()); - IARDX.reset(new CJBig2_ArithIntDecoder()); - IARDY.reset(new CJBig2_ArithIntDecoder()); - IAID.reset(new CJBig2_ArithIaidDecoder(SBSYMCODELEN)); - pIADT = IADT.get(); - pIAFS = IAFS.get(); - pIADS = IADS.get(); - pIAIT = IAIT.get(); - pIARI = IARI.get(); - pIARDW = IARDW.get(); - pIARDH = IARDH.get(); - pIARDX = IARDX.get(); - pIARDY = IARDY.get(); - pIAID = IAID.get(); - } - std::unique_ptr<CJBig2_Image> SBREG(new CJBig2_Image(SBW, SBH)); - SBREG->fill(SBDEFPIXEL); - int32_t STRIPT; - pIADT->decode(pArithDecoder, &STRIPT); - STRIPT *= SBSTRIPS; - STRIPT = -STRIPT; - int32_t FIRSTS = 0; - FX_DWORD NINSTANCES = 0; - while (NINSTANCES < SBNUMINSTANCES) { - int32_t CURS; - int32_t DT; - pIADT->decode(pArithDecoder, &DT); - DT *= SBSTRIPS; - STRIPT += DT; - bool bFirst = true; - for (;;) { - if (bFirst) { - int32_t DFS; - pIAFS->decode(pArithDecoder, &DFS); - FIRSTS += DFS; - CURS = FIRSTS; - bFirst = false; - } else { - int32_t IDS; - if (!pIADS->decode(pArithDecoder, &IDS)) - break; - CURS += IDS + SBDSOFFSET; - } - if (NINSTANCES >= SBNUMINSTANCES) { - break; - } - int CURT = 0; - if (SBSTRIPS != 1) - pIAIT->decode(pArithDecoder, &CURT); - - int32_t TI = STRIPT + CURT; - FX_DWORD IDI; - pIAID->decode(pArithDecoder, &IDI); - if (IDI >= SBNUMSYMS) - return nullptr; - - int RI; - if (SBREFINE == 0) - RI = 0; - else - pIARI->decode(pArithDecoder, &RI); - - std::unique_ptr<CJBig2_Image> IBI; - CJBig2_Image* pIBI; - if (RI == 0) { - pIBI = SBSYMS[IDI]; - } else { - int32_t RDWI; - int32_t RDHI; - int32_t RDXI; - int32_t RDYI; - pIARDW->decode(pArithDecoder, &RDWI); - pIARDH->decode(pArithDecoder, &RDHI); - pIARDX->decode(pArithDecoder, &RDXI); - pIARDY->decode(pArithDecoder, &RDYI); - CJBig2_Image* IBOI = SBSYMS[IDI]; - FX_DWORD WOI = IBOI->m_nWidth; - FX_DWORD HOI = IBOI->m_nHeight; - if ((int)(WOI + RDWI) < 0 || (int)(HOI + RDHI) < 0) { - return nullptr; - } - std::unique_ptr<CJBig2_GRRDProc> pGRRD(new CJBig2_GRRDProc()); - pGRRD->GRW = WOI + RDWI; - pGRRD->GRH = HOI + RDHI; - pGRRD->GRTEMPLATE = SBRTEMPLATE; - pGRRD->GRREFERENCE = IBOI; - pGRRD->GRREFERENCEDX = (RDWI >> 1) + RDXI; - pGRRD->GRREFERENCEDY = (RDHI >> 1) + RDYI; - pGRRD->TPGRON = 0; - pGRRD->GRAT[0] = SBRAT[0]; - pGRRD->GRAT[1] = SBRAT[1]; - pGRRD->GRAT[2] = SBRAT[2]; - pGRRD->GRAT[3] = SBRAT[3]; - IBI.reset(pGRRD->decode(pArithDecoder, grContext)); - pIBI = IBI.get(); - } - if (!pIBI) - return nullptr; - - FX_DWORD WI = pIBI->m_nWidth; - FX_DWORD HI = pIBI->m_nHeight; - if (TRANSPOSED == 0 && ((REFCORNER == JBIG2_CORNER_TOPRIGHT) || - (REFCORNER == JBIG2_CORNER_BOTTOMRIGHT))) { - CURS += WI - 1; - } else if (TRANSPOSED == 1 && ((REFCORNER == JBIG2_CORNER_BOTTOMLEFT) || - (REFCORNER == JBIG2_CORNER_BOTTOMRIGHT))) { - CURS += HI - 1; - } - int32_t SI = CURS; - if (TRANSPOSED == 0) { - switch (REFCORNER) { - case JBIG2_CORNER_TOPLEFT: - SBREG->composeFrom(SI, TI, pIBI, SBCOMBOP); - break; - case JBIG2_CORNER_TOPRIGHT: - SBREG->composeFrom(SI - WI + 1, TI, pIBI, SBCOMBOP); - break; - case JBIG2_CORNER_BOTTOMLEFT: - SBREG->composeFrom(SI, TI - HI + 1, pIBI, SBCOMBOP); - break; - case JBIG2_CORNER_BOTTOMRIGHT: - SBREG->composeFrom(SI - WI + 1, TI - HI + 1, pIBI, SBCOMBOP); - break; - } - } else { - switch (REFCORNER) { - case JBIG2_CORNER_TOPLEFT: - SBREG->composeFrom(TI, SI, pIBI, SBCOMBOP); - break; - case JBIG2_CORNER_TOPRIGHT: - SBREG->composeFrom(TI - WI + 1, SI, pIBI, SBCOMBOP); - break; - case JBIG2_CORNER_BOTTOMLEFT: - SBREG->composeFrom(TI, SI - HI + 1, pIBI, SBCOMBOP); - break; - case JBIG2_CORNER_BOTTOMRIGHT: - SBREG->composeFrom(TI - WI + 1, SI - HI + 1, pIBI, SBCOMBOP); - break; - } - } - if (TRANSPOSED == 0 && ((REFCORNER == JBIG2_CORNER_TOPLEFT) || - (REFCORNER == JBIG2_CORNER_BOTTOMLEFT))) { - CURS += WI - 1; - } else if (TRANSPOSED == 1 && ((REFCORNER == JBIG2_CORNER_TOPLEFT) || - (REFCORNER == JBIG2_CORNER_TOPRIGHT))) { - CURS += HI - 1; - } - ++NINSTANCES; - } - } - return SBREG.release(); -} diff --git a/core/src/fxcodec/jbig2/JBig2_TrdProc.h b/core/src/fxcodec/jbig2/JBig2_TrdProc.h deleted file mode 100644 index e36b269ba6..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_TrdProc.h +++ /dev/null @@ -1,82 +0,0 @@ -// Copyright 2015 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_SRC_FXCODEC_JBIG2_JBIG2_TRDPROC_H_ -#define CORE_SRC_FXCODEC_JBIG2_JBIG2_TRDPROC_H_ - -#include "core/include/fxcrt/fx_system.h" -#include "core/src/fxcodec/jbig2/JBig2_Image.h" - -class CJBig2_ArithDecoder; -class CJBig2_ArithIaidDecoder; -class CJBig2_ArithIntDecoder; -class CJBig2_BitStream; -class CJBig2_HuffmanTable; -struct JBig2ArithCtx; -struct JBig2HuffmanCode; - -struct JBig2IntDecoderState { - CJBig2_ArithIntDecoder* IADT; - CJBig2_ArithIntDecoder* IAFS; - CJBig2_ArithIntDecoder* IADS; - CJBig2_ArithIntDecoder* IAIT; - CJBig2_ArithIntDecoder* IARI; - CJBig2_ArithIntDecoder* IARDW; - CJBig2_ArithIntDecoder* IARDH; - CJBig2_ArithIntDecoder* IARDX; - CJBig2_ArithIntDecoder* IARDY; - CJBig2_ArithIaidDecoder* IAID; -}; - -enum JBig2Corner { - JBIG2_CORNER_BOTTOMLEFT = 0, - JBIG2_CORNER_TOPLEFT = 1, - JBIG2_CORNER_BOTTOMRIGHT = 2, - JBIG2_CORNER_TOPRIGHT = 3 -}; - -class CJBig2_TRDProc { - public: - CJBig2_Image* decode_Huffman(CJBig2_BitStream* pStream, - JBig2ArithCtx* grContext); - - CJBig2_Image* decode_Arith(CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* grContext, - JBig2IntDecoderState* pIDS); - - public: - FX_BOOL SBHUFF; - FX_BOOL SBREFINE; - FX_DWORD SBW; - FX_DWORD SBH; - FX_DWORD SBNUMINSTANCES; - FX_DWORD SBSTRIPS; - FX_DWORD SBNUMSYMS; - - JBig2HuffmanCode* SBSYMCODES; - uint8_t SBSYMCODELEN; - - CJBig2_Image** SBSYMS; - FX_BOOL SBDEFPIXEL; - - JBig2ComposeOp SBCOMBOP; - FX_BOOL TRANSPOSED; - - JBig2Corner REFCORNER; - int8_t SBDSOFFSET; - CJBig2_HuffmanTable* SBHUFFFS; - CJBig2_HuffmanTable* SBHUFFDS; - CJBig2_HuffmanTable* SBHUFFDT; - CJBig2_HuffmanTable* SBHUFFRDW; - CJBig2_HuffmanTable* SBHUFFRDH; - CJBig2_HuffmanTable* SBHUFFRDX; - CJBig2_HuffmanTable* SBHUFFRDY; - CJBig2_HuffmanTable* SBHUFFRSIZE; - FX_BOOL SBRTEMPLATE; - int8_t SBRAT[4]; -}; - -#endif // CORE_SRC_FXCODEC_JBIG2_JBIG2_TRDPROC_H_ diff --git a/core/src/fxcodec/lbmp/fx_bmp.cpp b/core/src/fxcodec/lbmp/fx_bmp.cpp deleted file mode 100644 index 07e83a1618..0000000000 --- a/core/src/fxcodec/lbmp/fx_bmp.cpp +++ /dev/null @@ -1,948 +0,0 @@ -// 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 "core/src/fxcodec/lbmp/fx_bmp.h" - -#include <algorithm> - -namespace { - -const size_t kBmpCoreHeaderSize = 12; -const size_t kBmpInfoHeaderSize = 40; - -// TODO(thestig): Replace with FXDWORD_GET_LSBFIRST? -FX_DWORD GetDWord_LSBFirst(uint8_t* p) { - return p[0] | (p[1] << 8) | (p[2] << 16) | (p[3] << 24); -} - -void SetDWord_LSBFirst(uint8_t* p, FX_DWORD v) { - p[0] = (uint8_t)v; - p[1] = (uint8_t)(v >> 8); - p[2] = (uint8_t)(v >> 16); - p[3] = (uint8_t)(v >> 24); -} -} // namespace - -FX_WORD GetWord_LSBFirst(uint8_t* p) { - return p[0] | (p[1] << 8); -} -void SetWord_LSBFirst(uint8_t* p, FX_WORD v) { - p[0] = (uint8_t)v; - p[1] = (uint8_t)(v >> 8); -} -void bmp_error(bmp_decompress_struct_p bmp_ptr, const FX_CHAR* err_msg) { - if (bmp_ptr && bmp_ptr->bmp_error_fn) { - bmp_ptr->bmp_error_fn(bmp_ptr, err_msg); - } -} -bmp_decompress_struct_p bmp_create_decompress() { - bmp_decompress_struct_p bmp_ptr = FX_Alloc(bmp_decompress_struct, 1); - if (bmp_ptr == NULL) { - return NULL; - } - FXSYS_memset(bmp_ptr, 0, sizeof(bmp_decompress_struct)); - bmp_ptr->decode_status = BMP_D_STATUS_HEADER; - bmp_ptr->bmp_header_ptr = FX_Alloc(BmpFileHeader, 1); - return bmp_ptr; -} -void bmp_destroy_decompress(bmp_decompress_struct_pp bmp_ptr_ptr) { - if (bmp_ptr_ptr == NULL || *bmp_ptr_ptr == NULL) { - return; - } - bmp_decompress_struct_p bmp_ptr = *bmp_ptr_ptr; - *bmp_ptr_ptr = NULL; - if (bmp_ptr->out_row_buffer) { - FX_Free(bmp_ptr->out_row_buffer); - } - FX_Free(bmp_ptr->pal_ptr); - FX_Free(bmp_ptr->bmp_header_ptr); - FX_Free(bmp_ptr); -} -int32_t bmp_read_header(bmp_decompress_struct_p bmp_ptr) { - if (bmp_ptr == NULL) { - return 0; - } - FX_DWORD skip_size_org = bmp_ptr->skip_size; - if (bmp_ptr->decode_status == BMP_D_STATUS_HEADER) { - ASSERT(sizeof(BmpFileHeader) == 14); - BmpFileHeader* bmp_header_ptr = NULL; - if (bmp_read_data(bmp_ptr, (uint8_t**)&bmp_header_ptr, 14) == NULL) { - return 2; - } - bmp_ptr->bmp_header_ptr->bfType = - GetWord_LSBFirst((uint8_t*)&bmp_header_ptr->bfType); - bmp_ptr->bmp_header_ptr->bfOffBits = - GetDWord_LSBFirst((uint8_t*)&bmp_header_ptr->bfOffBits); - bmp_ptr->data_size = GetDWord_LSBFirst((uint8_t*)&bmp_header_ptr->bfSize); - if (bmp_ptr->bmp_header_ptr->bfType != BMP_SIGNATURE) { - bmp_error(bmp_ptr, "Not A Bmp Image"); - return 0; - } - if (bmp_ptr->avail_in < sizeof(FX_DWORD)) { - bmp_ptr->skip_size = skip_size_org; - return 2; - } - bmp_ptr->img_ifh_size = - GetDWord_LSBFirst(bmp_ptr->next_in + bmp_ptr->skip_size); - bmp_ptr->pal_type = 0; - static_assert(sizeof(BmpCoreHeader) == kBmpCoreHeaderSize, - "BmpCoreHeader has wrong size"); - static_assert(sizeof(BmpInfoHeader) == kBmpInfoHeaderSize, - "BmpInfoHeader has wrong size"); - switch (bmp_ptr->img_ifh_size) { - case kBmpCoreHeaderSize: { - bmp_ptr->pal_type = 1; - BmpCoreHeaderPtr bmp_core_header_ptr = NULL; - if (bmp_read_data(bmp_ptr, (uint8_t**)&bmp_core_header_ptr, - bmp_ptr->img_ifh_size) == NULL) { - bmp_ptr->skip_size = skip_size_org; - return 2; - } - bmp_ptr->width = - GetWord_LSBFirst((uint8_t*)&bmp_core_header_ptr->bcWidth); - bmp_ptr->height = - GetWord_LSBFirst((uint8_t*)&bmp_core_header_ptr->bcHeight); - bmp_ptr->bitCounts = - GetWord_LSBFirst((uint8_t*)&bmp_core_header_ptr->bcBitCount); - bmp_ptr->compress_flag = BMP_RGB; - bmp_ptr->imgTB_flag = FALSE; - } break; - case kBmpInfoHeaderSize: { - BmpInfoHeaderPtr bmp_info_header_ptr = NULL; - if (bmp_read_data(bmp_ptr, (uint8_t**)&bmp_info_header_ptr, - bmp_ptr->img_ifh_size) == NULL) { - bmp_ptr->skip_size = skip_size_org; - return 2; - } - bmp_ptr->width = - GetDWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biWidth); - bmp_ptr->height = - GetDWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biHeight); - bmp_ptr->bitCounts = - GetWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biBitCount); - bmp_ptr->compress_flag = - GetDWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biCompression); - bmp_ptr->color_used = - GetDWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biClrUsed); - bmp_ptr->dpi_x = (int32_t)GetDWord_LSBFirst( - (uint8_t*)&bmp_info_header_ptr->biXPelsPerMeter); - bmp_ptr->dpi_y = (int32_t)GetDWord_LSBFirst( - (uint8_t*)&bmp_info_header_ptr->biYPelsPerMeter); - if (bmp_ptr->height < 0) { - bmp_ptr->height = -bmp_ptr->height; - bmp_ptr->imgTB_flag = TRUE; - } - } break; - default: { - if (bmp_ptr->img_ifh_size > - std::min(kBmpInfoHeaderSize, sizeof(BmpInfoHeader))) { - BmpInfoHeaderPtr bmp_info_header_ptr = NULL; - if (bmp_read_data(bmp_ptr, (uint8_t**)&bmp_info_header_ptr, - bmp_ptr->img_ifh_size) == NULL) { - bmp_ptr->skip_size = skip_size_org; - return 2; - } - FX_WORD biPlanes; - bmp_ptr->width = - GetDWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biWidth); - bmp_ptr->height = - GetDWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biHeight); - bmp_ptr->bitCounts = - GetWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biBitCount); - bmp_ptr->compress_flag = - GetDWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biCompression); - bmp_ptr->color_used = - GetDWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biClrUsed); - biPlanes = GetWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biPlanes); - bmp_ptr->dpi_x = GetDWord_LSBFirst( - (uint8_t*)&bmp_info_header_ptr->biXPelsPerMeter); - bmp_ptr->dpi_y = GetDWord_LSBFirst( - (uint8_t*)&bmp_info_header_ptr->biYPelsPerMeter); - if (bmp_ptr->height < 0) { - bmp_ptr->height = -bmp_ptr->height; - bmp_ptr->imgTB_flag = TRUE; - } - if (bmp_ptr->compress_flag == BMP_RGB && biPlanes == 1 && - bmp_ptr->color_used == 0) { - break; - } - } - bmp_error(bmp_ptr, "Unsupported Bmp File"); - return 0; - } - } - ASSERT(bmp_ptr->width > 0); - ASSERT(bmp_ptr->compress_flag <= BMP_BITFIELDS); - switch (bmp_ptr->bitCounts) { - case 1: - case 4: - case 8: - case 16: - case 24: { - if (bmp_ptr->color_used > ((FX_DWORD)1) << bmp_ptr->bitCounts) { - bmp_error(bmp_ptr, "The Bmp File Is Corrupt"); - return 0; - } - } - case 32: { - if (bmp_ptr->width <= 0 || bmp_ptr->compress_flag > BMP_BITFIELDS) { - bmp_error(bmp_ptr, "The Bmp File Is Corrupt"); - return 0; - } - } break; - default: - bmp_error(bmp_ptr, "The Bmp File Is Corrupt"); - return 0; - } - bmp_ptr->src_row_bytes = BMP_WIDTHBYTES(bmp_ptr->width, bmp_ptr->bitCounts); - switch (bmp_ptr->bitCounts) { - case 1: - case 4: - case 8: - bmp_ptr->out_row_bytes = BMP_WIDTHBYTES(bmp_ptr->width, 8); - bmp_ptr->components = 1; - break; - case 16: - case 24: - bmp_ptr->out_row_bytes = BMP_WIDTHBYTES(bmp_ptr->width, 24); - bmp_ptr->components = 3; - break; - case 32: - bmp_ptr->out_row_bytes = bmp_ptr->src_row_bytes; - bmp_ptr->components = 4; - break; - } - FX_Free(bmp_ptr->out_row_buffer); - bmp_ptr->out_row_buffer = FX_Alloc(uint8_t, bmp_ptr->out_row_bytes); - FXSYS_memset(bmp_ptr->out_row_buffer, 0, bmp_ptr->out_row_bytes); - bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_PAL); - } - if (bmp_ptr->decode_status == BMP_D_STATUS_PAL) { - skip_size_org = bmp_ptr->skip_size; - if (bmp_ptr->compress_flag == BMP_BITFIELDS) { - if (bmp_ptr->bitCounts != 16 && bmp_ptr->bitCounts != 32) { - bmp_error(bmp_ptr, "The Bmp File Is Corrupt"); - return 0; - } - FX_DWORD* mask; - if (bmp_read_data(bmp_ptr, (uint8_t**)&mask, 3 * sizeof(FX_DWORD)) == - NULL) { - bmp_ptr->skip_size = skip_size_org; - return 2; - } - bmp_ptr->mask_red = GetDWord_LSBFirst((uint8_t*)&mask[0]); - bmp_ptr->mask_green = GetDWord_LSBFirst((uint8_t*)&mask[1]); - bmp_ptr->mask_blue = GetDWord_LSBFirst((uint8_t*)&mask[2]); - if (bmp_ptr->mask_red & bmp_ptr->mask_green || - bmp_ptr->mask_red & bmp_ptr->mask_blue || - bmp_ptr->mask_green & bmp_ptr->mask_blue) { - bmp_error(bmp_ptr, "The Bitfield Bmp File Is Corrupt"); - return 0; - } - if (bmp_ptr->bmp_header_ptr->bfOffBits < 26 + bmp_ptr->img_ifh_size) { - bmp_ptr->bmp_header_ptr->bfOffBits = 26 + bmp_ptr->img_ifh_size; - } - bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_DATA_PRE); - return 1; - } else if (bmp_ptr->bitCounts == 16) { - bmp_ptr->mask_red = 0x7C00; - bmp_ptr->mask_green = 0x03E0; - bmp_ptr->mask_blue = 0x001F; - } - bmp_ptr->pal_num = 0; - if (bmp_ptr->bitCounts < 16) { - bmp_ptr->pal_num = 1 << bmp_ptr->bitCounts; - if (bmp_ptr->color_used != 0) { - bmp_ptr->pal_num = bmp_ptr->color_used; - } - uint8_t* src_pal_ptr = NULL; - FX_DWORD src_pal_size = bmp_ptr->pal_num * (bmp_ptr->pal_type ? 3 : 4); - if (bmp_read_data(bmp_ptr, (uint8_t**)&src_pal_ptr, src_pal_size) == - NULL) { - bmp_ptr->skip_size = skip_size_org; - return 2; - } - FX_Free(bmp_ptr->pal_ptr); - bmp_ptr->pal_ptr = FX_Alloc(FX_DWORD, bmp_ptr->pal_num); - int32_t src_pal_index = 0; - if (bmp_ptr->pal_type == BMP_PAL_OLD) { - while (src_pal_index < bmp_ptr->pal_num) { - bmp_ptr->pal_ptr[src_pal_index++] = BMP_PAL_ENCODE( - 0x00, src_pal_ptr[2], src_pal_ptr[1], src_pal_ptr[0]); - src_pal_ptr += 3; - } - } else { - while (src_pal_index < bmp_ptr->pal_num) { - bmp_ptr->pal_ptr[src_pal_index++] = BMP_PAL_ENCODE( - src_pal_ptr[3], src_pal_ptr[2], src_pal_ptr[1], src_pal_ptr[0]); - src_pal_ptr += 4; - } - } - } - if (bmp_ptr->bmp_header_ptr->bfOffBits < - 14 + bmp_ptr->img_ifh_size + - bmp_ptr->pal_num * (bmp_ptr->pal_type ? 3 : 4)) { - bmp_ptr->bmp_header_ptr->bfOffBits = - 14 + bmp_ptr->img_ifh_size + - bmp_ptr->pal_num * (bmp_ptr->pal_type ? 3 : 4); - } - bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_DATA_PRE); - } - return 1; -} -int32_t bmp_decode_image(bmp_decompress_struct_p bmp_ptr) { - if (bmp_ptr->decode_status == BMP_D_STATUS_DATA_PRE) { - bmp_ptr->avail_in = 0; - if (!bmp_ptr->bmp_get_data_position_fn( - bmp_ptr, bmp_ptr->bmp_header_ptr->bfOffBits)) { - bmp_ptr->decode_status = BMP_D_STATUS_TAIL; - bmp_error(bmp_ptr, "The Bmp File Is Corrupt, Unexpected Stream Offset"); - return 0; - } - bmp_ptr->row_num = 0; - bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_DATA); - } - if (bmp_ptr->decode_status == BMP_D_STATUS_DATA) { - switch (bmp_ptr->compress_flag) { - case BMP_RGB: - case BMP_BITFIELDS: - return bmp_decode_rgb(bmp_ptr); - case BMP_RLE8: - return bmp_decode_rle8(bmp_ptr); - case BMP_RLE4: - return bmp_decode_rle4(bmp_ptr); - } - } - bmp_error(bmp_ptr, "Any Uncontrol Error"); - return 0; -} -int32_t bmp_decode_rgb(bmp_decompress_struct_p bmp_ptr) { - uint8_t* row_buf = bmp_ptr->out_row_buffer; - uint8_t* des_buf = NULL; - while (bmp_ptr->row_num < bmp_ptr->height) { - if (bmp_read_data(bmp_ptr, &des_buf, bmp_ptr->src_row_bytes) == NULL) { - return 2; - } - bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_DATA); - switch (bmp_ptr->bitCounts) { - case 1: { - for (int32_t col = 0; col < bmp_ptr->width; col++) { - *row_buf++ = des_buf[col >> 3] & (0x80 >> (col % 8)) ? 0x01 : 0x00; - } - } break; - case 4: { - for (int32_t col = 0; col < bmp_ptr->width; col++) { - *row_buf++ = (col & 0x01) ? (des_buf[col >> 1] & 0x0F) - : ((des_buf[col >> 1] & 0xF0) >> 4); - } - } break; - case 16: { - FX_WORD* buf = (FX_WORD*)des_buf; - uint8_t blue_bits = 0; - uint8_t green_bits = 0; - uint8_t red_bits = 0; - for (int32_t i = 0; i < 16; i++) { - if ((bmp_ptr->mask_blue >> i) & 0x01) { - blue_bits++; - } - if ((bmp_ptr->mask_green >> i) & 0x01) { - green_bits++; - } - if ((bmp_ptr->mask_red >> i) & 0x01) { - red_bits++; - } - } - green_bits += blue_bits; - red_bits += green_bits; - blue_bits = 8 - blue_bits; - green_bits -= 8; - red_bits -= 8; - for (int32_t col = 0; col < bmp_ptr->width; col++) { - *buf = GetWord_LSBFirst((uint8_t*)buf); - *row_buf++ = (uint8_t)((*buf & bmp_ptr->mask_blue) << blue_bits); - *row_buf++ = (uint8_t)((*buf & bmp_ptr->mask_green) >> green_bits); - *row_buf++ = (uint8_t)((*buf++ & bmp_ptr->mask_red) >> red_bits); - } - } break; - case 8: - case 24: - case 32: - FXSYS_memcpy(bmp_ptr->out_row_buffer, des_buf, bmp_ptr->src_row_bytes); - break; - } - row_buf = bmp_ptr->out_row_buffer; - bmp_ptr->bmp_get_row_fn(bmp_ptr, - bmp_ptr->imgTB_flag - ? bmp_ptr->row_num++ - : (bmp_ptr->height - 1 - bmp_ptr->row_num++), - bmp_ptr->out_row_buffer); - } - bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_TAIL); - return 1; -} -int32_t bmp_decode_rle8(bmp_decompress_struct_p bmp_ptr) { - uint8_t* first_byte_ptr = NULL; - uint8_t* second_byte_ptr = NULL; - bmp_ptr->col_num = 0; - while (TRUE) { - FX_DWORD skip_size_org = bmp_ptr->skip_size; - if (bmp_read_data(bmp_ptr, &first_byte_ptr, 1) == NULL) { - return 2; - } - switch (*first_byte_ptr) { - case RLE_MARKER: { - if (bmp_read_data(bmp_ptr, &first_byte_ptr, 1) == NULL) { - bmp_ptr->skip_size = skip_size_org; - return 2; - } - switch (*first_byte_ptr) { - case RLE_EOL: { - if (bmp_ptr->row_num >= bmp_ptr->height) { - bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_TAIL); - bmp_error(bmp_ptr, "The Bmp File Is Corrupt"); - return 0; - } - bmp_ptr->bmp_get_row_fn( - bmp_ptr, bmp_ptr->imgTB_flag - ? bmp_ptr->row_num++ - : (bmp_ptr->height - 1 - bmp_ptr->row_num++), - bmp_ptr->out_row_buffer); - bmp_ptr->col_num = 0; - FXSYS_memset(bmp_ptr->out_row_buffer, 0, bmp_ptr->out_row_bytes); - bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_DATA); - continue; - } - case RLE_EOI: { - if (bmp_ptr->row_num < bmp_ptr->height) { - bmp_ptr->bmp_get_row_fn( - bmp_ptr, bmp_ptr->imgTB_flag - ? bmp_ptr->row_num++ - : (bmp_ptr->height - 1 - bmp_ptr->row_num++), - bmp_ptr->out_row_buffer); - } - bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_TAIL); - return 1; - } - case RLE_DELTA: { - uint8_t* delta_ptr; - if (bmp_read_data(bmp_ptr, &delta_ptr, 2) == NULL) { - bmp_ptr->skip_size = skip_size_org; - return 2; - } - bmp_ptr->col_num += (int32_t)delta_ptr[0]; - int32_t bmp_row_num_next = bmp_ptr->row_num + (int32_t)delta_ptr[1]; - if (bmp_ptr->col_num >= bmp_ptr->out_row_bytes || - bmp_row_num_next >= bmp_ptr->height) { - bmp_error(bmp_ptr, "The Bmp File Is Corrupt Or Not Supported"); - return 0; - } - while (bmp_ptr->row_num < bmp_row_num_next) { - FXSYS_memset(bmp_ptr->out_row_buffer, 0, bmp_ptr->out_row_bytes); - bmp_ptr->bmp_get_row_fn( - bmp_ptr, bmp_ptr->imgTB_flag - ? bmp_ptr->row_num++ - : (bmp_ptr->height - 1 - bmp_ptr->row_num++), - bmp_ptr->out_row_buffer); - } - } break; - default: { - if ((int32_t)(*first_byte_ptr) > - bmp_ptr->src_row_bytes - bmp_ptr->col_num) { - bmp_error(bmp_ptr, "The Bmp File Is Corrupt"); - return 0; - } - if (bmp_read_data(bmp_ptr, &second_byte_ptr, - *first_byte_ptr & 1 ? *first_byte_ptr + 1 - : *first_byte_ptr) == NULL) { - bmp_ptr->skip_size = skip_size_org; - return 2; - } - FXSYS_memcpy(bmp_ptr->out_row_buffer + bmp_ptr->col_num, - second_byte_ptr, *first_byte_ptr); - bmp_ptr->col_num += (int32_t)(*first_byte_ptr); - } - } - } break; - default: { - if (bmp_read_data(bmp_ptr, &second_byte_ptr, 1) == NULL) { - bmp_ptr->skip_size = skip_size_org; - return 2; - } - if ((int32_t)(*first_byte_ptr) > - bmp_ptr->src_row_bytes - bmp_ptr->col_num) { - bmp_error(bmp_ptr, "The Bmp File Is Corrupt"); - return 0; - } - FXSYS_memset(bmp_ptr->out_row_buffer + bmp_ptr->col_num, - *second_byte_ptr, *first_byte_ptr); - bmp_ptr->col_num += (int32_t)(*first_byte_ptr); - } - } - } - bmp_error(bmp_ptr, "Any Uncontrol Error"); - return 0; -} -int32_t bmp_decode_rle4(bmp_decompress_struct_p bmp_ptr) { - uint8_t* first_byte_ptr = NULL; - uint8_t* second_byte_ptr = NULL; - bmp_ptr->col_num = 0; - while (TRUE) { - FX_DWORD skip_size_org = bmp_ptr->skip_size; - if (bmp_read_data(bmp_ptr, &first_byte_ptr, 1) == NULL) { - return 2; - } - switch (*first_byte_ptr) { - case RLE_MARKER: { - if (bmp_read_data(bmp_ptr, &first_byte_ptr, 1) == NULL) { - bmp_ptr->skip_size = skip_size_org; - return 2; - } - switch (*first_byte_ptr) { - case RLE_EOL: { - if (bmp_ptr->row_num >= bmp_ptr->height) { - bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_TAIL); - bmp_error(bmp_ptr, "The Bmp File Is Corrupt"); - return 0; - } - bmp_ptr->bmp_get_row_fn( - bmp_ptr, bmp_ptr->imgTB_flag - ? bmp_ptr->row_num++ - : (bmp_ptr->height - 1 - bmp_ptr->row_num++), - bmp_ptr->out_row_buffer); - bmp_ptr->col_num = 0; - FXSYS_memset(bmp_ptr->out_row_buffer, 0, bmp_ptr->out_row_bytes); - bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_DATA); - continue; - } - case RLE_EOI: { - if (bmp_ptr->row_num < bmp_ptr->height) { - bmp_ptr->bmp_get_row_fn( - bmp_ptr, bmp_ptr->imgTB_flag - ? bmp_ptr->row_num++ - : (bmp_ptr->height - 1 - bmp_ptr->row_num++), - bmp_ptr->out_row_buffer); - } - bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_TAIL); - return 1; - } - case RLE_DELTA: { - uint8_t* delta_ptr; - if (bmp_read_data(bmp_ptr, &delta_ptr, 2) == NULL) { - bmp_ptr->skip_size = skip_size_org; - return 2; - } - bmp_ptr->col_num += (int32_t)delta_ptr[0]; - int32_t bmp_row_num_next = bmp_ptr->row_num + (int32_t)delta_ptr[1]; - if (bmp_ptr->col_num >= bmp_ptr->out_row_bytes || - bmp_row_num_next >= bmp_ptr->height) { - bmp_error(bmp_ptr, "The Bmp File Is Corrupt Or Not Supported"); - return 0; - } - while (bmp_ptr->row_num < bmp_row_num_next) { - FXSYS_memset(bmp_ptr->out_row_buffer, 0, bmp_ptr->out_row_bytes); - bmp_ptr->bmp_get_row_fn( - bmp_ptr, bmp_ptr->imgTB_flag - ? bmp_ptr->row_num++ - : (bmp_ptr->height - 1 - bmp_ptr->row_num++), - bmp_ptr->out_row_buffer); - } - } break; - default: { - uint8_t size = (uint8_t)(((FX_WORD)(*first_byte_ptr) + 1) >> 1); - if ((int32_t)*first_byte_ptr >= - bmp_ptr->out_row_bytes - bmp_ptr->col_num) { - if (size + (bmp_ptr->col_num >> 1) > bmp_ptr->src_row_bytes) { - bmp_error(bmp_ptr, "The Bmp File Is Corrupt"); - return 0; - } - *first_byte_ptr = bmp_ptr->out_row_bytes - bmp_ptr->col_num - 1; - } - if (bmp_read_data(bmp_ptr, &second_byte_ptr, - size & 1 ? size + 1 : size) == NULL) { - bmp_ptr->skip_size = skip_size_org; - return 2; - } - for (uint8_t i = 0; i < *first_byte_ptr; i++) { - if (i & 0x01) { - *(bmp_ptr->out_row_buffer + bmp_ptr->col_num++) = - (*second_byte_ptr++ & 0x0F); - } else { - *(bmp_ptr->out_row_buffer + bmp_ptr->col_num++) = - ((*second_byte_ptr & 0xF0) >> 4); - } - } - } - } - } break; - default: { - if (bmp_read_data(bmp_ptr, &second_byte_ptr, 1) == NULL) { - bmp_ptr->skip_size = skip_size_org; - return 2; - } - if ((int32_t)*first_byte_ptr > - bmp_ptr->out_row_bytes - bmp_ptr->col_num) { - uint8_t size = (uint8_t)(((FX_WORD)(*first_byte_ptr) + 1) >> 1); - if (size + (bmp_ptr->col_num >> 1) > bmp_ptr->src_row_bytes) { - bmp_error(bmp_ptr, "The Bmp File Is Corrupt"); - return 0; - } - *first_byte_ptr = bmp_ptr->out_row_bytes - bmp_ptr->col_num - 1; - } - for (uint8_t i = 0; i < *first_byte_ptr; i++) { - if (i & 0x01) { - *(bmp_ptr->out_row_buffer + bmp_ptr->col_num++) = - (*second_byte_ptr & 0x0F); - } else { - *(bmp_ptr->out_row_buffer + bmp_ptr->col_num++) = - ((*second_byte_ptr & 0xF0) >> 4); - } - } - } - } - } - bmp_error(bmp_ptr, "Any Uncontrol Error"); - return 0; -} -uint8_t* bmp_read_data(bmp_decompress_struct_p bmp_ptr, - uint8_t** des_buf_pp, - FX_DWORD data_size) { - if (bmp_ptr == NULL || bmp_ptr->avail_in < bmp_ptr->skip_size + data_size) { - return NULL; - } - *des_buf_pp = bmp_ptr->next_in + bmp_ptr->skip_size; - bmp_ptr->skip_size += data_size; - return *des_buf_pp; -} -void bmp_save_decoding_status(bmp_decompress_struct_p bmp_ptr, int32_t status) { - bmp_ptr->decode_status = status; - bmp_ptr->next_in += bmp_ptr->skip_size; - bmp_ptr->avail_in -= bmp_ptr->skip_size; - bmp_ptr->skip_size = 0; -} -void bmp_input_buffer(bmp_decompress_struct_p bmp_ptr, - uint8_t* src_buf, - FX_DWORD src_size) { - bmp_ptr->next_in = src_buf; - bmp_ptr->avail_in = src_size; - bmp_ptr->skip_size = 0; -} -FX_DWORD bmp_get_avail_input(bmp_decompress_struct_p bmp_ptr, - uint8_t** avial_buf_ptr) { - if (avial_buf_ptr) { - *avial_buf_ptr = NULL; - if (bmp_ptr->avail_in > 0) { - *avial_buf_ptr = bmp_ptr->next_in; - } - } - return bmp_ptr->avail_in; -} -bmp_compress_struct_p bmp_create_compress() { - bmp_compress_struct_p bmp_ptr; - bmp_ptr = FX_Alloc(bmp_compress_struct, 1); - if (bmp_ptr) { - FXSYS_memset(bmp_ptr, 0, sizeof(bmp_compress_struct)); - } - return bmp_ptr; -} -void bmp_destroy_compress(bmp_compress_struct_p bmp_ptr) { - if (bmp_ptr) { - if (bmp_ptr->src_free && bmp_ptr->src_buf) { - FX_Free(bmp_ptr->src_buf); - } - FX_Free(bmp_ptr); - } -} -static void WriteFileHeader(BmpFileHeaderPtr head_ptr, uint8_t* dst_buf) { - FX_DWORD offset; - offset = 0; - SetWord_LSBFirst(&dst_buf[offset], head_ptr->bfType); - offset += 2; - SetDWord_LSBFirst(&dst_buf[offset], head_ptr->bfSize); - offset += 4; - SetWord_LSBFirst(&dst_buf[offset], head_ptr->bfReserved1); - offset += 2; - SetWord_LSBFirst(&dst_buf[offset], head_ptr->bfReserved2); - offset += 2; - SetDWord_LSBFirst(&dst_buf[offset], head_ptr->bfOffBits); - offset += 4; -} -static void WriteInfoHeader(BmpInfoHeaderPtr info_head_ptr, uint8_t* dst_buf) { - FX_DWORD offset; - offset = sizeof(BmpFileHeader); - SetDWord_LSBFirst(&dst_buf[offset], info_head_ptr->biSize); - offset += 4; - SetDWord_LSBFirst(&dst_buf[offset], info_head_ptr->biWidth); - offset += 4; - SetDWord_LSBFirst(&dst_buf[offset], info_head_ptr->biHeight); - offset += 4; - SetWord_LSBFirst(&dst_buf[offset], info_head_ptr->biPlanes); - offset += 2; - SetWord_LSBFirst(&dst_buf[offset], info_head_ptr->biBitCount); - offset += 2; - SetDWord_LSBFirst(&dst_buf[offset], info_head_ptr->biCompression); - offset += 4; - SetDWord_LSBFirst(&dst_buf[offset], info_head_ptr->biSizeImage); - offset += 4; - SetDWord_LSBFirst(&dst_buf[offset], info_head_ptr->biXPelsPerMeter); - offset += 4; - SetDWord_LSBFirst(&dst_buf[offset], info_head_ptr->biYPelsPerMeter); - offset += 4; - SetDWord_LSBFirst(&dst_buf[offset], info_head_ptr->biClrUsed); - offset += 4; - SetDWord_LSBFirst(&dst_buf[offset], info_head_ptr->biClrImportant); - offset += 4; -} -static void bmp_encode_bitfields(bmp_compress_struct_p bmp_ptr, - uint8_t*& dst_buf, - FX_DWORD& dst_size) { - if (bmp_ptr->info_header.biBitCount != 16 && - bmp_ptr->info_header.biBitCount != 32) { - return; - } - FX_DWORD size, dst_pos, i; - size = bmp_ptr->src_pitch * bmp_ptr->src_row * - bmp_ptr->info_header.biBitCount / 16; - dst_pos = bmp_ptr->file_header.bfOffBits; - dst_size += size; - dst_buf = FX_Realloc(uint8_t, dst_buf, dst_size); - if (dst_buf == NULL) { - return; - } - FXSYS_memset(&dst_buf[dst_pos], 0, size); - FX_DWORD mask_red; - FX_DWORD mask_green; - FX_DWORD mask_blue; - mask_red = 0x7C00; - mask_green = 0x03E0; - mask_blue = 0x001F; - if (bmp_ptr->info_header.biCompression == BMP_BITFIELDS) { - if (bmp_ptr->bit_type == BMP_BIT_565) { - mask_red = 0xF800; - mask_green = 0x07E0; - mask_blue = 0x001F; - } - if (bmp_ptr->info_header.biBitCount == 32) { - mask_red = 0xFF0000; - mask_green = 0x00FF00; - mask_blue = 0x0000FF; - } - SetDWord_LSBFirst(&dst_buf[dst_pos], mask_red); - dst_pos += 4; - SetDWord_LSBFirst(&dst_buf[dst_pos], mask_green); - dst_pos += 4; - SetDWord_LSBFirst(&dst_buf[dst_pos], mask_blue); - dst_pos += 4; - bmp_ptr->file_header.bfOffBits = dst_pos; - } - uint8_t blue_bits = 0; - uint8_t green_bits = 0; - uint8_t red_bits = 0; - for (i = 0; i < bmp_ptr->info_header.biBitCount; i++) { - if ((mask_blue >> i) & 0x01) { - blue_bits++; - } - if ((mask_green >> i) & 0x01) { - green_bits++; - } - if ((mask_red >> i) & 0x01) { - red_bits++; - } - } - green_bits += blue_bits; - red_bits += green_bits; - blue_bits = 8 - blue_bits; - green_bits -= 8; - red_bits -= 8; - i = 0; - for (int32_t row_num = bmp_ptr->src_row - 1; row_num > -1; row_num--, i = 0) { - while (i < bmp_ptr->src_width * bmp_ptr->src_bpp / 8) { - uint8_t b = bmp_ptr->src_buf[row_num * bmp_ptr->src_pitch + i++]; - uint8_t g = bmp_ptr->src_buf[row_num * bmp_ptr->src_pitch + i++]; - uint8_t r = bmp_ptr->src_buf[row_num * bmp_ptr->src_pitch + i++]; - if (bmp_ptr->src_bpp == 32) { - i++; - } - FX_DWORD pix_val = 0; - pix_val |= (b >> blue_bits) & mask_blue; - pix_val |= (g << green_bits) & mask_green; - pix_val |= (r << red_bits) & mask_red; - if (bmp_ptr->info_header.biBitCount == 16) { - SetWord_LSBFirst(&dst_buf[dst_pos], pix_val); - dst_pos += 2; - } else { - SetDWord_LSBFirst(&dst_buf[dst_pos], pix_val); - dst_pos += 4; - } - } - } - dst_size = dst_pos; -} - -static void bmp_encode_rgb(bmp_compress_struct_p bmp_ptr, - uint8_t*& dst_buf, - FX_DWORD& dst_size) { - if (bmp_ptr->info_header.biBitCount == 16) { - bmp_encode_bitfields(bmp_ptr, dst_buf, dst_size); - return; - } - FX_DWORD size, dst_pos; - FX_DWORD dst_pitch = - (bmp_ptr->src_width * bmp_ptr->info_header.biBitCount + 31) / 32 * 4; - size = dst_pitch * bmp_ptr->src_row; - dst_pos = bmp_ptr->file_header.bfOffBits; - dst_size += size; - dst_buf = FX_Realloc(uint8_t, dst_buf, dst_size); - if (dst_buf == NULL) { - return; - } - FXSYS_memset(&dst_buf[dst_pos], 0, size); - for (int32_t row_num = bmp_ptr->src_row - 1; row_num > -1; row_num--) { - FXSYS_memcpy(&dst_buf[dst_pos], - &bmp_ptr->src_buf[row_num * bmp_ptr->src_pitch], - bmp_ptr->src_pitch); - dst_pos += dst_pitch; - } - dst_size = dst_pos; -} -static uint8_t bmp_rle8_search(const uint8_t* buf, int32_t len) { - uint8_t num; - num = 1; - while (num < len) { - if (buf[num - 1] != buf[num] || num == 0xFF) { - break; - } - num++; - } - return num; -} -static void bmp_encode_rle8(bmp_compress_struct_p bmp_ptr, - uint8_t*& dst_buf, - FX_DWORD& dst_size) { - FX_DWORD size, dst_pos, index; - uint8_t rle[2] = {0}; - size = bmp_ptr->src_pitch * bmp_ptr->src_row * 2; - dst_pos = bmp_ptr->file_header.bfOffBits; - dst_size += size; - dst_buf = FX_Realloc(uint8_t, dst_buf, dst_size); - if (dst_buf == NULL) { - return; - } - FXSYS_memset(&dst_buf[dst_pos], 0, size); - for (int32_t row_num = bmp_ptr->src_row - 1, i = 0; row_num > -1;) { - index = row_num * bmp_ptr->src_pitch; - rle[0] = bmp_rle8_search(&bmp_ptr->src_buf[index + i], size - index - i); - rle[1] = bmp_ptr->src_buf[index + i]; - if (i + rle[0] >= (int32_t)bmp_ptr->src_pitch) { - rle[0] = uint8_t(bmp_ptr->src_pitch - i); - if (rle[0]) { - dst_buf[dst_pos++] = rle[0]; - dst_buf[dst_pos++] = rle[1]; - } - dst_buf[dst_pos++] = RLE_MARKER; - dst_buf[dst_pos++] = RLE_EOL; - i = 0; - row_num--; - } else { - i += rle[0]; - dst_buf[dst_pos++] = rle[0]; - dst_buf[dst_pos++] = rle[1]; - } - } - dst_buf[dst_pos++] = RLE_MARKER; - dst_buf[dst_pos++] = RLE_EOI; - dst_size = dst_pos; -} -static uint8_t bmp_rle4_search(const uint8_t* buf, int32_t len) { - uint8_t num; - num = 2; - while (num < len) { - if (buf[num - 2] != buf[num] || num == 0xFF) { - break; - } - num++; - } - return num; -} -static void bmp_encode_rle4(bmp_compress_struct_p bmp_ptr, - uint8_t*& dst_buf, - FX_DWORD& dst_size) { - FX_DWORD size, dst_pos, index; - uint8_t rle[2] = {0}; - size = bmp_ptr->src_pitch * bmp_ptr->src_row; - dst_pos = bmp_ptr->file_header.bfOffBits; - dst_size += size; - dst_buf = FX_Realloc(uint8_t, dst_buf, dst_size); - if (dst_buf == NULL) { - return; - } - FXSYS_memset(&dst_buf[dst_pos], 0, size); - for (int32_t row_num = bmp_ptr->src_row - 1, i = 0; row_num > -1; - rle[1] = 0) { - index = row_num * bmp_ptr->src_pitch; - rle[0] = bmp_rle4_search(&bmp_ptr->src_buf[index + i], size - index - i); - rle[1] |= (bmp_ptr->src_buf[index + i] & 0x0f) << 4; - rle[1] |= bmp_ptr->src_buf[index + i + 1] & 0x0f; - if (i + rle[0] >= (int32_t)bmp_ptr->src_pitch) { - rle[0] = uint8_t(bmp_ptr->src_pitch - i); - if (rle[0]) { - dst_buf[dst_pos++] = rle[0]; - dst_buf[dst_pos++] = rle[1]; - } - dst_buf[dst_pos++] = RLE_MARKER; - dst_buf[dst_pos++] = RLE_EOL; - i = 0; - row_num--; - } else { - i += rle[0]; - dst_buf[dst_pos++] = rle[0]; - dst_buf[dst_pos++] = rle[1]; - } - } - dst_buf[dst_pos++] = RLE_MARKER; - dst_buf[dst_pos++] = RLE_EOI; - dst_size = dst_pos; -} -FX_BOOL bmp_encode_image(bmp_compress_struct_p bmp_ptr, - uint8_t*& dst_buf, - FX_DWORD& dst_size) { - FX_DWORD head_size = sizeof(BmpFileHeader) + sizeof(BmpInfoHeader); - FX_DWORD pal_size = sizeof(FX_DWORD) * bmp_ptr->pal_num; - if (bmp_ptr->info_header.biClrUsed > 0 && - bmp_ptr->info_header.biClrUsed < bmp_ptr->pal_num) { - pal_size = sizeof(FX_DWORD) * bmp_ptr->info_header.biClrUsed; - } - dst_size = head_size + sizeof(FX_DWORD) * bmp_ptr->pal_num; - dst_buf = FX_TryAlloc(uint8_t, dst_size); - if (dst_buf == NULL) { - return FALSE; - } - FXSYS_memset(dst_buf, 0, dst_size); - bmp_ptr->file_header.bfOffBits = head_size; - if (bmp_ptr->pal_ptr && pal_size) { - FXSYS_memcpy(&dst_buf[head_size], bmp_ptr->pal_ptr, pal_size); - bmp_ptr->file_header.bfOffBits += pal_size; - } - WriteInfoHeader(&bmp_ptr->info_header, dst_buf); - switch (bmp_ptr->info_header.biCompression) { - case BMP_RGB: - bmp_encode_rgb(bmp_ptr, dst_buf, dst_size); - break; - case BMP_BITFIELDS: - bmp_encode_bitfields(bmp_ptr, dst_buf, dst_size); - break; - case BMP_RLE8: - bmp_encode_rle8(bmp_ptr, dst_buf, dst_size); - break; - case BMP_RLE4: - bmp_encode_rle4(bmp_ptr, dst_buf, dst_size); - break; - default: - break; - } - bmp_ptr->file_header.bfSize = dst_size; - WriteFileHeader(&bmp_ptr->file_header, dst_buf); - return TRUE; -} diff --git a/core/src/fxcodec/lbmp/fx_bmp.h b/core/src/fxcodec/lbmp/fx_bmp.h deleted file mode 100644 index 24c94cabbe..0000000000 --- a/core/src/fxcodec/lbmp/fx_bmp.h +++ /dev/null @@ -1,155 +0,0 @@ -// 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_SRC_FXCODEC_LBMP_FX_BMP_H_ -#define CORE_SRC_FXCODEC_LBMP_FX_BMP_H_ - -#include <setjmp.h> - -#include "core/include/fxcrt/fx_basic.h" - -#define BMP_WIDTHBYTES(width, bitCount) ((width * bitCount) + 31) / 32 * 4 -#define BMP_PAL_ENCODE(a, r, g, b) \ - (((FX_DWORD)(a) << 24) | ((r) << 16) | ((g) << 8) | (b)) -#define BMP_D_STATUS_HEADER 0x01 -#define BMP_D_STATUS_PAL 0x02 -#define BMP_D_STATUS_DATA_PRE 0x03 -#define BMP_D_STATUS_DATA 0x04 -#define BMP_D_STATUS_TAIL 0x00 -#define BMP_SIGNATURE 0x4D42 -#define BMP_PAL_NEW 0 -#define BMP_PAL_OLD 1 -#define RLE_MARKER 0 -#define RLE_EOL 0 -#define RLE_EOI 1 -#define RLE_DELTA 2 -#define BMP_RGB 0L -#define BMP_RLE8 1L -#define BMP_RLE4 2L -#define BMP_BITFIELDS 3L -#define BMP_BIT_555 0 -#define BMP_BIT_565 1 -#define BMP_MAX_ERROR_SIZE 256 -#pragma pack(1) -typedef struct tagBmpFileHeader { - FX_WORD bfType; - FX_DWORD bfSize; - FX_WORD bfReserved1; - FX_WORD bfReserved2; - FX_DWORD bfOffBits; -} BmpFileHeader, *BmpFileHeaderPtr; -typedef struct tagBmpCoreHeader { - FX_DWORD bcSize; - FX_WORD bcWidth; - FX_WORD bcHeight; - FX_WORD bcPlanes; - FX_WORD bcBitCount; -} BmpCoreHeader, *BmpCoreHeaderPtr; -typedef struct tagBmpInfoHeader { - FX_DWORD biSize; - int32_t biWidth; - int32_t biHeight; - FX_WORD biPlanes; - FX_WORD biBitCount; - FX_DWORD biCompression; - FX_DWORD biSizeImage; - int32_t biXPelsPerMeter; - int32_t biYPelsPerMeter; - FX_DWORD biClrUsed; - FX_DWORD biClrImportant; -} BmpInfoHeader, *BmpInfoHeaderPtr; -#pragma pack() - -typedef struct tag_bmp_decompress_struct bmp_decompress_struct; -typedef bmp_decompress_struct* bmp_decompress_struct_p; -typedef bmp_decompress_struct_p* bmp_decompress_struct_pp; -struct tag_bmp_decompress_struct { - jmp_buf jmpbuf; - FX_CHAR* err_ptr; - void (*bmp_error_fn)(bmp_decompress_struct_p gif_ptr, const FX_CHAR* err_msg); - - void* context_ptr; - - BmpFileHeaderPtr bmp_header_ptr; - BmpInfoHeaderPtr bmp_infoheader_ptr; - int32_t width; - int32_t height; - FX_DWORD compress_flag; - int32_t components; - int32_t src_row_bytes; - int32_t out_row_bytes; - uint8_t* out_row_buffer; - FX_WORD bitCounts; - FX_DWORD color_used; - FX_BOOL imgTB_flag; - int32_t pal_num; - int32_t pal_type; - FX_DWORD* pal_ptr; - FX_DWORD data_size; - FX_DWORD img_data_offset; - FX_DWORD img_ifh_size; - int32_t row_num; - int32_t col_num; - int32_t dpi_x; - int32_t dpi_y; - FX_DWORD mask_red; - FX_DWORD mask_green; - FX_DWORD mask_blue; - - FX_BOOL (*bmp_get_data_position_fn)(bmp_decompress_struct_p bmp_ptr, - FX_DWORD cur_pos); - void (*bmp_get_row_fn)(bmp_decompress_struct_p bmp_ptr, - int32_t row_num, - uint8_t* row_buf); - uint8_t* next_in; - FX_DWORD avail_in; - FX_DWORD skip_size; - int32_t decode_status; -}; -void bmp_error(bmp_decompress_struct_p bmp_ptr, const FX_CHAR* err_msg); -bmp_decompress_struct_p bmp_create_decompress(); -void bmp_destroy_decompress(bmp_decompress_struct_pp bmp_ptr_ptr); -int32_t bmp_read_header(bmp_decompress_struct_p bmp_ptr); -int32_t bmp_decode_image(bmp_decompress_struct_p bmp_ptr); -int32_t bmp_decode_rgb(bmp_decompress_struct_p bmp_ptr); -int32_t bmp_decode_rle8(bmp_decompress_struct_p bmp_ptr); -int32_t bmp_decode_rle4(bmp_decompress_struct_p bmp_ptr); -uint8_t* bmp_read_data(bmp_decompress_struct_p bmp_ptr, - uint8_t** des_buf_pp, - FX_DWORD data_size); -void bmp_save_decoding_status(bmp_decompress_struct_p bmp_ptr, int32_t status); -void bmp_input_buffer(bmp_decompress_struct_p bmp_ptr, - uint8_t* src_buf, - FX_DWORD src_size); -FX_DWORD bmp_get_avail_input(bmp_decompress_struct_p bmp_ptr, - uint8_t** avial_buf_ptr); -typedef struct tag_bmp_compress_struct bmp_compress_struct; -typedef bmp_compress_struct* bmp_compress_struct_p; -typedef bmp_compress_struct_p* bmp_compress_struct_pp; -struct tag_bmp_compress_struct { - BmpFileHeader file_header; - BmpInfoHeader info_header; - uint8_t* src_buf; - FX_DWORD src_pitch; - FX_DWORD src_row; - uint8_t src_bpp; - FX_DWORD src_width; - FX_BOOL src_free; - FX_DWORD* pal_ptr; - FX_WORD pal_num; - uint8_t bit_type; -}; - -bmp_compress_struct_p bmp_create_compress(); -void bmp_destroy_compress(bmp_compress_struct_p bmp_ptr); -FX_BOOL bmp_encode_image(bmp_compress_struct_p bmp_ptr, - uint8_t*& dst_buf, - FX_DWORD& dst_size); - -FX_WORD GetWord_LSBFirst(uint8_t* p); -void SetWord_LSBFirst(uint8_t* p, FX_WORD v); - -#endif // CORE_SRC_FXCODEC_LBMP_FX_BMP_H_ diff --git a/core/src/fxcodec/lgif/fx_gif.cpp b/core/src/fxcodec/lgif/fx_gif.cpp deleted file mode 100644 index a4de72978a..0000000000 --- a/core/src/fxcodec/lgif/fx_gif.cpp +++ /dev/null @@ -1,1229 +0,0 @@ -// 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 "core/src/fxcodec/lgif/fx_gif.h" - -#include "core/src/fxcodec/lbmp/fx_bmp.h" - -void CGifLZWDecoder::Input(uint8_t* src_buf, FX_DWORD src_size) { - next_in = src_buf; - avail_in = src_size; -} -FX_DWORD CGifLZWDecoder::GetAvailInput() { - return avail_in; -} -void CGifLZWDecoder::InitTable(uint8_t code_len) { - code_size = code_len; - code_clear = 1 << code_size; - code_end = code_clear + 1; - bits_left = 0; - code_store = 0; - next_in = NULL; - avail_in = 0; - stack_size = 0; - code_first = 0; - ClearTable(); -} -void CGifLZWDecoder::ClearTable() { - code_size_cur = code_size + 1; - code_next = code_end + 1; - code_old = (FX_WORD)-1; - FXSYS_memset(code_table, 0, sizeof(tag_Table) * GIF_MAX_LZW_CODE); - FXSYS_memset(stack, 0, GIF_MAX_LZW_CODE); - for (FX_WORD i = 0; i < code_clear; i++) { - code_table[i].suffix = (uint8_t)i; - } -} -void CGifLZWDecoder::DecodeString(FX_WORD code) { - stack_size = 0; - while (TRUE) { - ASSERT(code <= code_next); - if (code < code_clear || code > code_next) { - break; - } - stack[GIF_MAX_LZW_CODE - 1 - stack_size++] = code_table[code].suffix; - code = code_table[code].prefix; - } - stack[GIF_MAX_LZW_CODE - 1 - stack_size++] = (uint8_t)code; - code_first = (uint8_t)code; -} -void CGifLZWDecoder::AddCode(FX_WORD prefix_code, uint8_t append_char) { - if (code_next == GIF_MAX_LZW_CODE) { - return; - } - code_table[code_next].prefix = prefix_code; - code_table[code_next].suffix = append_char; - if (++code_next < GIF_MAX_LZW_CODE) { - if (code_next >> code_size_cur) { - code_size_cur++; - } - } -} -int32_t CGifLZWDecoder::Decode(uint8_t* des_buf, FX_DWORD& des_size) { - if (des_size == 0) { - return 3; - } - FX_DWORD i = 0; - if (stack_size != 0) { - if (des_size < stack_size) { - FXSYS_memcpy(des_buf, &stack[GIF_MAX_LZW_CODE - stack_size], des_size); - stack_size -= (FX_WORD)des_size; - return 3; - } - FXSYS_memcpy(des_buf, &stack[GIF_MAX_LZW_CODE - stack_size], stack_size); - des_buf += stack_size; - i += stack_size; - stack_size = 0; - } - FX_WORD code = 0; - while (i <= des_size && (avail_in > 0 || bits_left >= code_size_cur)) { - if (code_size_cur > 12) { - if (err_msg_ptr) { - FXSYS_strncpy(err_msg_ptr, "Code Length Out Of Range", - GIF_MAX_ERROR_SIZE - 1); - } - return 0; - } - if (avail_in > 0) { - code_store |= (*next_in++) << bits_left; - avail_in--; - bits_left += 8; - } - while (bits_left >= code_size_cur) { - code = (FX_WORD)code_store & ((1 << code_size_cur) - 1); - code_store >>= code_size_cur; - bits_left -= code_size_cur; - if (code == code_clear) { - ClearTable(); - continue; - } else if (code == code_end) { - des_size = i; - return 1; - } else { - if (code_old != (FX_WORD)-1) { - if (code_next < GIF_MAX_LZW_CODE) { - if (code == code_next) { - AddCode(code_old, code_first); - DecodeString(code); - } else if (code > code_next) { - if (err_msg_ptr) { - FXSYS_strncpy(err_msg_ptr, "Decode Error, Out Of Range", - GIF_MAX_ERROR_SIZE - 1); - } - return 0; - } else { - DecodeString(code); - uint8_t append_char = stack[GIF_MAX_LZW_CODE - stack_size]; - AddCode(code_old, append_char); - } - } - } else { - DecodeString(code); - } - code_old = code; - if (i + stack_size > des_size) { - FXSYS_memcpy(des_buf, &stack[GIF_MAX_LZW_CODE - stack_size], - des_size - i); - stack_size -= (FX_WORD)(des_size - i); - return 3; - } - FXSYS_memcpy(des_buf, &stack[GIF_MAX_LZW_CODE - stack_size], - stack_size); - des_buf += stack_size; - i += stack_size; - stack_size = 0; - } - } - } - if (avail_in == 0) { - des_size = i; - return 2; - } - return 0; -} -static FX_BOOL gif_grow_buf(uint8_t*& dst_buf, - FX_DWORD& dst_len, - FX_DWORD size) { - if (dst_len < size) { - FX_DWORD len_org = dst_len; - while (dst_buf && dst_len < size) { - dst_len <<= 1; - dst_buf = FX_Realloc(uint8_t, dst_buf, dst_len); - } - if (dst_buf == NULL) { - dst_len = size; - dst_buf = FX_Realloc(uint8_t, dst_buf, dst_len); - if (dst_buf == NULL) { - return FALSE; - } - } - FXSYS_memset(dst_buf + len_org, 0, dst_len - len_org); - return dst_buf != NULL; - } - return TRUE; -} -static inline void gif_cut_index(uint8_t& val, - FX_DWORD index, - uint8_t index_bit, - uint8_t index_bit_use, - uint8_t bit_use) { - FX_DWORD cut = ((1 << (index_bit - index_bit_use)) - 1) << index_bit_use; - val |= ((index & cut) >> index_bit_use) << bit_use; -} -static inline uint8_t gif_cut_buf(const uint8_t* buf, - FX_DWORD& offset, - uint8_t bit_cut, - uint8_t& bit_offset, - FX_DWORD& bit_num) { - if (bit_cut != 8) { - FX_WORD index = 0; - index |= ((1 << bit_cut) - 1) << (7 - bit_offset); - uint8_t ret = ((index & buf[offset]) >> (7 - bit_offset)); - bit_offset += bit_cut; - if (bit_offset >= 8) { - if (bit_offset > 8) { - ret |= ((index & (buf[offset + 1] << 8)) >> 8); - } - bit_offset -= 8; - offset++; - } - bit_num += bit_cut; - return ret; - } - bit_num += bit_cut; - return buf[offset++]; -} -CGifLZWEncoder::CGifLZWEncoder() { - FXSYS_memset(this, 0, sizeof(CGifLZWEncoder)); -} -CGifLZWEncoder::~CGifLZWEncoder() {} -void CGifLZWEncoder::ClearTable() { - index_bit_cur = code_size + 1; - index_num = code_end + 1; - table_cur = code_end + 1; - for (FX_WORD i = 0; i < GIF_MAX_LZW_CODE; i++) { - code_table[i].prefix = 0; - code_table[i].suffix = 0; - } -} -void CGifLZWEncoder::Start(uint8_t code_len, - const uint8_t* src_buf, - uint8_t*& dst_buf, - FX_DWORD& offset) { - code_size = code_len + 1; - src_bit_cut = code_size; - if (code_len == 0) { - src_bit_cut = 1; - code_size = 2; - } - code_clear = 1 << code_size; - code_end = code_clear + 1; - dst_buf[offset++] = code_size; - bit_offset = 0; - ClearTable(); - src_offset = 0; - src_bit_offset = 0; - src_bit_num = 0; - code_table[index_num].prefix = gif_cut_buf(src_buf, src_offset, src_bit_cut, - src_bit_offset, src_bit_num); - code_table[index_num].suffix = gif_cut_buf(src_buf, src_offset, src_bit_cut, - src_bit_offset, src_bit_num); -} -void CGifLZWEncoder::WriteBlock(uint8_t*& dst_buf, - FX_DWORD& dst_len, - FX_DWORD& offset) { - if (!gif_grow_buf(dst_buf, dst_len, offset + GIF_DATA_BLOCK + 1)) { - longjmp(jmp, 1); - } - dst_buf[offset++] = index_buf_len; - FXSYS_memcpy(&dst_buf[offset], index_buf, index_buf_len); - offset += index_buf_len; - FXSYS_memset(index_buf, 0, GIF_DATA_BLOCK); - index_buf_len = 0; -} -void CGifLZWEncoder::EncodeString(FX_DWORD index, - uint8_t*& dst_buf, - FX_DWORD& dst_len, - FX_DWORD& offset) { - uint8_t index_bit_use; - index_bit_use = 0; - if (index_buf_len == GIF_DATA_BLOCK) { - WriteBlock(dst_buf, dst_len, offset); - } - gif_cut_index(index_buf[index_buf_len], index, index_bit_cur, index_bit_use, - bit_offset); - if (index_bit_cur <= (8 - bit_offset)) { - bit_offset += index_bit_cur; - } else if (index_bit_cur <= (16 - bit_offset)) { - index_bit_use += (8 - bit_offset); - bit_offset = 0; - index_buf_len++; - if (index_buf_len == GIF_DATA_BLOCK) { - WriteBlock(dst_buf, dst_len, offset); - } - gif_cut_index(index_buf[index_buf_len], index, index_bit_cur, index_bit_use, - bit_offset); - bit_offset = index_bit_cur - index_bit_use; - } else { - index_bit_use += (8 - bit_offset); - bit_offset = 0; - index_buf_len++; - if (index_buf_len == GIF_DATA_BLOCK) { - WriteBlock(dst_buf, dst_len, offset); - } - gif_cut_index(index_buf[index_buf_len], index, index_bit_cur, index_bit_use, - bit_offset); - index_bit_use += 8; - bit_offset = 0; - index_buf_len++; - if (index_buf_len == GIF_DATA_BLOCK) { - WriteBlock(dst_buf, dst_len, offset); - } - gif_cut_index(index_buf[index_buf_len], index, index_bit_cur, index_bit_use, - bit_offset); - bit_offset = index_bit_cur - index_bit_use; - } - if (bit_offset == 8) { - bit_offset = 0; - index_buf_len++; - if (index_buf_len == GIF_DATA_BLOCK) { - WriteBlock(dst_buf, dst_len, offset); - } - } - if (index == code_end) { - index_buf_len++; - WriteBlock(dst_buf, dst_len, offset); - } - if (index_num++ >> index_bit_cur) { - index_bit_cur++; - } -} -FX_BOOL CGifLZWEncoder::Encode(const uint8_t* src_buf, - FX_DWORD src_len, - uint8_t*& dst_buf, - FX_DWORD& dst_len, - FX_DWORD& offset) { - uint8_t suffix; - if (setjmp(jmp)) { - return FALSE; - } - while (src_bit_num < src_len) { - if (!LookUpInTable(src_buf, src_offset, src_bit_offset)) { - EncodeString(code_table[index_num].prefix, dst_buf, dst_len, offset); - if (index_num == GIF_MAX_LZW_CODE) { - suffix = code_table[index_num - 1].suffix; - EncodeString(code_clear, dst_buf, dst_len, offset); - ClearTable(); - code_table[index_num].prefix = suffix; - code_table[index_num].suffix = gif_cut_buf( - src_buf, src_offset, src_bit_cut, src_bit_offset, src_bit_num); - } else { - code_table[index_num].prefix = code_table[index_num - 1].suffix; - code_table[index_num].suffix = gif_cut_buf( - src_buf, src_offset, src_bit_cut, src_bit_offset, src_bit_num); - } - } - } - src_offset = 0; - src_bit_offset = 0; - src_bit_num = 0; - return TRUE; -} -FX_BOOL CGifLZWEncoder::LookUpInTable(const uint8_t* buf, - FX_DWORD& offset, - uint8_t& bit_offset) { - for (FX_WORD i = table_cur; i < index_num; i++) { - if (code_table[i].prefix == code_table[index_num].prefix && - code_table[i].suffix == code_table[index_num].suffix) { - code_table[index_num].prefix = i; - code_table[index_num].suffix = - gif_cut_buf(buf, offset, src_bit_cut, bit_offset, src_bit_num); - table_cur = i; - return TRUE; - } - } - table_cur = code_end + 1; - return FALSE; -} -void CGifLZWEncoder::Finish(uint8_t*& dst_buf, - FX_DWORD& dst_len, - FX_DWORD& offset) { - EncodeString(code_table[index_num].prefix, dst_buf, dst_len, offset); - EncodeString(code_end, dst_buf, dst_len, offset); - bit_offset = 0; - ClearTable(); -} -gif_decompress_struct_p gif_create_decompress() { - gif_decompress_struct_p gif_ptr = - (gif_decompress_struct*)FX_Alloc(uint8_t, sizeof(gif_decompress_struct)); - if (gif_ptr == NULL) { - return NULL; - } - FXSYS_memset(gif_ptr, 0, sizeof(gif_decompress_struct)); - gif_ptr->decode_status = GIF_D_STATUS_SIG; - gif_ptr->img_ptr_arr_ptr = new CFX_ArrayTemplate<GifImage*>; - gif_ptr->cmt_data_ptr = new CFX_ByteString; - gif_ptr->pt_ptr_arr_ptr = new CFX_ArrayTemplate<GifPlainText*>; - return gif_ptr; -} -void gif_destroy_decompress(gif_decompress_struct_pp gif_ptr_ptr) { - if (gif_ptr_ptr == NULL || *gif_ptr_ptr == NULL) { - return; - } - gif_decompress_struct_p gif_ptr = *gif_ptr_ptr; - *gif_ptr_ptr = NULL; - FX_Free(gif_ptr->global_pal_ptr); - delete gif_ptr->img_decoder_ptr; - if (gif_ptr->img_ptr_arr_ptr) { - int32_t size_img_arr = gif_ptr->img_ptr_arr_ptr->GetSize(); - for (int32_t i = 0; i < size_img_arr; i++) { - GifImage* p = gif_ptr->img_ptr_arr_ptr->GetAt(i); - FX_Free(p->image_info_ptr); - FX_Free(p->image_gce_ptr); - FX_Free(p->image_row_buf); - if (p->local_pal_ptr && p->local_pal_ptr != gif_ptr->global_pal_ptr) { - FX_Free(p->local_pal_ptr); - } - FX_Free(p); - } - gif_ptr->img_ptr_arr_ptr->RemoveAll(); - delete gif_ptr->img_ptr_arr_ptr; - } - delete gif_ptr->cmt_data_ptr; - FX_Free(gif_ptr->gce_ptr); - if (gif_ptr->pt_ptr_arr_ptr) { - int32_t size_pt_arr = gif_ptr->pt_ptr_arr_ptr->GetSize(); - for (int32_t i = 0; i < size_pt_arr; i++) { - GifPlainText* p = gif_ptr->pt_ptr_arr_ptr->GetAt(i); - FX_Free(p->gce_ptr); - FX_Free(p->pte_ptr); - delete p->string_ptr; - } - gif_ptr->pt_ptr_arr_ptr->RemoveAll(); - delete gif_ptr->pt_ptr_arr_ptr; - } - FX_Free(gif_ptr); -} -gif_compress_struct_p gif_create_compress() { - gif_compress_struct_p gif_ptr = - (gif_compress_struct*)FX_Alloc(uint8_t, sizeof(gif_compress_struct)); - if (gif_ptr == NULL) { - return NULL; - } - FXSYS_memset(gif_ptr, 0, sizeof(gif_compress_struct)); - gif_ptr->img_encoder_ptr = new CGifLZWEncoder; - gif_ptr->header_ptr = (GifHeader*)FX_Alloc(uint8_t, sizeof(GifHeader)); - if (gif_ptr->header_ptr == NULL) { - delete (gif_ptr->img_encoder_ptr); - FX_Free(gif_ptr); - return NULL; - } - FXSYS_memcpy(gif_ptr->header_ptr->signature, GIF_SIGNATURE, 3); - FXSYS_memcpy(gif_ptr->header_ptr->version, "89a", 3); - gif_ptr->lsd_ptr = (GifLSD*)FX_Alloc(uint8_t, sizeof(GifLSD)); - if (gif_ptr->lsd_ptr == NULL) { - FX_Free(gif_ptr->header_ptr); - delete (gif_ptr->img_encoder_ptr); - FX_Free(gif_ptr); - return NULL; - } - FXSYS_memset(gif_ptr->lsd_ptr, 0, sizeof(GifLSD)); - gif_ptr->image_info_ptr = - (GifImageInfo*)FX_Alloc(uint8_t, sizeof(GifImageInfo)); - if (gif_ptr->image_info_ptr == NULL) { - FX_Free(gif_ptr->lsd_ptr); - FX_Free(gif_ptr->header_ptr); - delete (gif_ptr->img_encoder_ptr); - FX_Free(gif_ptr); - return NULL; - } - FXSYS_memset(gif_ptr->image_info_ptr, 0, sizeof(GifImageInfo)); - gif_ptr->gce_ptr = (GifGCE*)FX_Alloc(uint8_t, sizeof(GifGCE)); - if (gif_ptr->gce_ptr == NULL) { - FX_Free(gif_ptr->image_info_ptr); - FX_Free(gif_ptr->lsd_ptr); - FX_Free(gif_ptr->header_ptr); - delete (gif_ptr->img_encoder_ptr); - FX_Free(gif_ptr); - return NULL; - } - gif_ptr->pte_ptr = (GifPTE*)FX_Alloc(uint8_t, sizeof(GifPTE)); - if (gif_ptr->pte_ptr == NULL) { - FX_Free(gif_ptr->gce_ptr); - FX_Free(gif_ptr->image_info_ptr); - FX_Free(gif_ptr->lsd_ptr); - FX_Free(gif_ptr->header_ptr); - delete (gif_ptr->img_encoder_ptr); - FX_Free(gif_ptr); - return NULL; - } - FXSYS_memset(gif_ptr->pte_ptr, 0, sizeof(GifPTE)); - gif_ptr->pte_ptr->block_size = 12; - return gif_ptr; -} -void gif_destroy_compress(gif_compress_struct_pp gif_ptr_ptr) { - if (gif_ptr_ptr == NULL || *gif_ptr_ptr == NULL) { - return; - } - gif_compress_struct_p gif_ptr = *gif_ptr_ptr; - *gif_ptr_ptr = NULL; - FX_Free(gif_ptr->header_ptr); - FX_Free(gif_ptr->lsd_ptr); - FX_Free(gif_ptr->global_pal); - FX_Free(gif_ptr->image_info_ptr); - FX_Free(gif_ptr->local_pal); - delete gif_ptr->img_encoder_ptr; - FX_Free(gif_ptr->gce_ptr); - FX_Free(gif_ptr->cmt_data_ptr); - FX_Free(gif_ptr->pte_ptr); - FX_Free(gif_ptr); -} -void gif_error(gif_decompress_struct_p gif_ptr, const FX_CHAR* err_msg) { - if (gif_ptr && gif_ptr->gif_error_fn) { - gif_ptr->gif_error_fn(gif_ptr, err_msg); - } -} -void gif_warn(gif_decompress_struct_p gif_ptr, const FX_CHAR* err_msg) {} -int32_t gif_read_header(gif_decompress_struct_p gif_ptr) { - if (gif_ptr == NULL) { - return 0; - } - FX_DWORD skip_size_org = gif_ptr->skip_size; - ASSERT(sizeof(GifHeader) == 6); - GifHeader* gif_header_ptr = NULL; - if (gif_read_data(gif_ptr, (uint8_t**)&gif_header_ptr, 6) == NULL) { - return 2; - } - if (FXSYS_strncmp(gif_header_ptr->signature, GIF_SIGNATURE, 3) != 0 || - gif_header_ptr->version[0] != '8' || gif_header_ptr->version[2] != 'a') { - gif_error(gif_ptr, "Not A Gif Image"); - return 0; - } - ASSERT(sizeof(GifLSD) == 7); - GifLSD* gif_lsd_ptr = NULL; - if (gif_read_data(gif_ptr, (uint8_t**)&gif_lsd_ptr, 7) == NULL) { - gif_ptr->skip_size = skip_size_org; - return 2; - } - if (((GifGF*)&gif_lsd_ptr->global_flag)->global_pal) { - gif_ptr->global_pal_num = 2 - << ((GifGF*)&gif_lsd_ptr->global_flag)->pal_bits; - ASSERT(sizeof(GifPalette) == 3); - int32_t global_pal_size = gif_ptr->global_pal_num * 3; - uint8_t* global_pal_ptr = NULL; - if (gif_read_data(gif_ptr, &global_pal_ptr, global_pal_size) == NULL) { - gif_ptr->skip_size = skip_size_org; - return 2; - } - gif_ptr->global_sort_flag = ((GifGF*)&gif_lsd_ptr->global_flag)->sort_flag; - gif_ptr->global_color_resolution = - ((GifGF*)&gif_lsd_ptr->global_flag)->color_resolution; - FX_Free(gif_ptr->global_pal_ptr); - gif_ptr->global_pal_ptr = (GifPalette*)FX_Alloc(uint8_t, global_pal_size); - FXSYS_memcpy(gif_ptr->global_pal_ptr, global_pal_ptr, global_pal_size); - } - gif_ptr->width = (int)GetWord_LSBFirst((uint8_t*)&gif_lsd_ptr->width); - gif_ptr->height = (int)GetWord_LSBFirst((uint8_t*)&gif_lsd_ptr->height); - gif_ptr->bc_index = gif_lsd_ptr->bc_index; - gif_ptr->pixel_aspect = gif_lsd_ptr->pixel_aspect; - return 1; -} -int32_t gif_get_frame(gif_decompress_struct_p gif_ptr) { - if (gif_ptr == NULL) { - return 0; - } - int32_t ret = 1; - while (TRUE) { - switch (gif_ptr->decode_status) { - case GIF_D_STATUS_TAIL: - return 1; - case GIF_D_STATUS_SIG: { - uint8_t* sig_ptr = NULL; - if (gif_read_data(gif_ptr, &sig_ptr, 1) == NULL) { - return 2; - } - switch (*sig_ptr) { - case GIF_SIG_EXTENSION: - gif_save_decoding_status(gif_ptr, GIF_D_STATUS_EXT); - continue; - case GIF_SIG_IMAGE: - gif_save_decoding_status(gif_ptr, GIF_D_STATUS_IMG_INFO); - continue; - case GIF_SIG_TRAILER: - gif_save_decoding_status(gif_ptr, GIF_D_STATUS_TAIL); - return 1; - default: - if (gif_ptr->avail_in) { - gif_warn(gif_ptr, "The Gif File has non_standard Tag!"); - gif_save_decoding_status(gif_ptr, GIF_D_STATUS_SIG); - continue; - } - gif_warn(gif_ptr, "The Gif File Doesn't have Trailer Tag!"); - return 1; - } - } - case GIF_D_STATUS_EXT: { - uint8_t* ext_ptr = NULL; - if (gif_read_data(gif_ptr, &ext_ptr, 1) == NULL) { - return 2; - } - switch (*ext_ptr) { - case GIF_BLOCK_CE: - gif_save_decoding_status(gif_ptr, GIF_D_STATUS_EXT_CE); - continue; - case GIF_BLOCK_GCE: - gif_save_decoding_status(gif_ptr, GIF_D_STATUS_EXT_GCE); - continue; - case GIF_BLOCK_PTE: - gif_save_decoding_status(gif_ptr, GIF_D_STATUS_EXT_PTE); - continue; - default: { - int32_t status = GIF_D_STATUS_EXT_UNE; - if (*ext_ptr == GIF_BLOCK_PTE) { - status = GIF_D_STATUS_EXT_PTE; - } - gif_save_decoding_status(gif_ptr, status); - continue; - } - } - } - case GIF_D_STATUS_IMG_INFO: { - ret = gif_decode_image_info(gif_ptr); - if (ret != 1) { - return ret; - } - continue; - } - case GIF_D_STATUS_IMG_DATA: { - uint8_t* data_size_ptr = NULL; - uint8_t* data_ptr = NULL; - FX_DWORD skip_size_org = gif_ptr->skip_size; - if (gif_read_data(gif_ptr, &data_size_ptr, 1) == NULL) { - return 2; - } - while (*data_size_ptr != GIF_BLOCK_TERMINAL) { - if (gif_read_data(gif_ptr, &data_ptr, *data_size_ptr) == NULL) { - gif_ptr->skip_size = skip_size_org; - return 2; - } - gif_save_decoding_status(gif_ptr, GIF_D_STATUS_IMG_DATA); - skip_size_org = gif_ptr->skip_size; - if (gif_read_data(gif_ptr, &data_size_ptr, 1) == NULL) { - return 2; - } - } - gif_save_decoding_status(gif_ptr, GIF_D_STATUS_SIG); - continue; - } - default: { - ret = gif_decode_extension(gif_ptr); - if (ret != 1) { - return ret; - } - continue; - } - } - } - return 1; -} -void gif_takeover_gce_ptr(gif_decompress_struct_p gif_ptr, - GifGCE** gce_ptr_ptr) { - *gce_ptr_ptr = NULL; - if (gif_ptr->gce_ptr && gce_ptr_ptr) { - *gce_ptr_ptr = gif_ptr->gce_ptr; - gif_ptr->gce_ptr = NULL; - } -} -int32_t gif_decode_extension(gif_decompress_struct_p gif_ptr) { - uint8_t* data_size_ptr = NULL; - uint8_t* data_ptr = NULL; - FX_DWORD skip_size_org = gif_ptr->skip_size; - switch (gif_ptr->decode_status) { - case GIF_D_STATUS_EXT_CE: { - if (gif_read_data(gif_ptr, &data_size_ptr, 1) == NULL) { - gif_ptr->skip_size = skip_size_org; - return 2; - } - gif_ptr->cmt_data_ptr->Empty(); - while (*data_size_ptr != GIF_BLOCK_TERMINAL) { - uint8_t data_size = *data_size_ptr; - if (gif_read_data(gif_ptr, &data_ptr, *data_size_ptr) == NULL || - gif_read_data(gif_ptr, &data_size_ptr, 1) == NULL) { - gif_ptr->skip_size = skip_size_org; - return 2; - } - *(gif_ptr->cmt_data_ptr) += - CFX_ByteString((const FX_CHAR*)data_ptr, data_size); - } - } break; - case GIF_D_STATUS_EXT_PTE: { - ASSERT(sizeof(GifPTE) == 13); - GifPTE* gif_pte_ptr = NULL; - if (gif_read_data(gif_ptr, (uint8_t**)&gif_pte_ptr, 13) == NULL) { - return 2; - } - GifPlainText* gif_pt_ptr = FX_Alloc(GifPlainText, 1); - FXSYS_memset(gif_pt_ptr, 0, sizeof(GifPlainText)); - gif_takeover_gce_ptr(gif_ptr, &gif_pt_ptr->gce_ptr); - gif_pt_ptr->pte_ptr = (GifPTE*)FX_Alloc(uint8_t, sizeof(GifPTE)); - gif_pt_ptr->string_ptr = new CFX_ByteString; - gif_pt_ptr->pte_ptr->block_size = gif_pte_ptr->block_size; - gif_pt_ptr->pte_ptr->grid_left = - GetWord_LSBFirst((uint8_t*)&gif_pte_ptr->grid_left); - gif_pt_ptr->pte_ptr->grid_top = - GetWord_LSBFirst((uint8_t*)&gif_pte_ptr->grid_top); - gif_pt_ptr->pte_ptr->grid_width = - GetWord_LSBFirst((uint8_t*)&gif_pte_ptr->grid_width); - gif_pt_ptr->pte_ptr->grid_height = - GetWord_LSBFirst((uint8_t*)&gif_pte_ptr->grid_height); - gif_pt_ptr->pte_ptr->char_width = gif_pte_ptr->char_width; - gif_pt_ptr->pte_ptr->char_height = gif_pte_ptr->char_height; - gif_pt_ptr->pte_ptr->fc_index = gif_pte_ptr->fc_index; - gif_pt_ptr->pte_ptr->bc_index = gif_pte_ptr->bc_index; - if (gif_read_data(gif_ptr, &data_size_ptr, 1) == NULL) { - gif_ptr->skip_size = skip_size_org; - if (gif_pt_ptr) { - FX_Free(gif_pt_ptr->gce_ptr); - FX_Free(gif_pt_ptr->pte_ptr); - delete gif_pt_ptr->string_ptr; - FX_Free(gif_pt_ptr); - } - return 2; - } - while (*data_size_ptr != GIF_BLOCK_TERMINAL) { - uint8_t data_size = *data_size_ptr; - if (gif_read_data(gif_ptr, &data_ptr, *data_size_ptr) == NULL || - gif_read_data(gif_ptr, &data_size_ptr, 1) == NULL) { - gif_ptr->skip_size = skip_size_org; - if (gif_pt_ptr) { - FX_Free(gif_pt_ptr->gce_ptr); - FX_Free(gif_pt_ptr->pte_ptr); - delete gif_pt_ptr->string_ptr; - FX_Free(gif_pt_ptr); - } - return 2; - } - *(gif_pt_ptr->string_ptr) += - CFX_ByteString((const FX_CHAR*)data_ptr, data_size); - } - gif_ptr->pt_ptr_arr_ptr->Add(gif_pt_ptr); - } break; - case GIF_D_STATUS_EXT_GCE: { - ASSERT(sizeof(GifGCE) == 5); - GifGCE* gif_gce_ptr = NULL; - if (gif_read_data(gif_ptr, (uint8_t**)&gif_gce_ptr, 6) == NULL) { - return 2; - } - if (gif_ptr->gce_ptr == NULL) { - gif_ptr->gce_ptr = (GifGCE*)FX_Alloc(uint8_t, sizeof(GifGCE)); - } - gif_ptr->gce_ptr->block_size = gif_gce_ptr->block_size; - gif_ptr->gce_ptr->gce_flag = gif_gce_ptr->gce_flag; - gif_ptr->gce_ptr->delay_time = - GetWord_LSBFirst((uint8_t*)&gif_gce_ptr->delay_time); - gif_ptr->gce_ptr->trans_index = gif_gce_ptr->trans_index; - } break; - default: { - if (gif_ptr->decode_status == GIF_D_STATUS_EXT_PTE) { - FX_Free(gif_ptr->gce_ptr); - gif_ptr->gce_ptr = NULL; - } - if (gif_read_data(gif_ptr, &data_size_ptr, 1) == NULL) { - return 2; - } - while (*data_size_ptr != GIF_BLOCK_TERMINAL) { - if (gif_read_data(gif_ptr, &data_ptr, *data_size_ptr) == NULL || - gif_read_data(gif_ptr, &data_size_ptr, 1) == NULL) { - gif_ptr->skip_size = skip_size_org; - return 2; - } - } - } - } - gif_save_decoding_status(gif_ptr, GIF_D_STATUS_SIG); - return 1; -} -int32_t gif_decode_image_info(gif_decompress_struct_p gif_ptr) { - if (gif_ptr->width == 0 || gif_ptr->height == 0) { - gif_error(gif_ptr, "No Image Header Info"); - return 0; - } - FX_DWORD skip_size_org = gif_ptr->skip_size; - ASSERT(sizeof(GifImageInfo) == 9); - GifImageInfo* gif_img_info_ptr = NULL; - if (gif_read_data(gif_ptr, (uint8_t**)&gif_img_info_ptr, 9) == NULL) { - return 2; - } - GifImage* gif_image_ptr = (GifImage*)FX_Alloc(uint8_t, sizeof(GifImage)); - FXSYS_memset(gif_image_ptr, 0, sizeof(GifImage)); - gif_image_ptr->image_info_ptr = - (GifImageInfo*)FX_Alloc(uint8_t, sizeof(GifImageInfo)); - gif_image_ptr->image_info_ptr->left = - GetWord_LSBFirst((uint8_t*)&gif_img_info_ptr->left); - gif_image_ptr->image_info_ptr->top = - GetWord_LSBFirst((uint8_t*)&gif_img_info_ptr->top); - gif_image_ptr->image_info_ptr->width = - GetWord_LSBFirst((uint8_t*)&gif_img_info_ptr->width); - gif_image_ptr->image_info_ptr->height = - GetWord_LSBFirst((uint8_t*)&gif_img_info_ptr->height); - gif_image_ptr->image_info_ptr->local_flag = gif_img_info_ptr->local_flag; - if (gif_image_ptr->image_info_ptr->left + - gif_image_ptr->image_info_ptr->width > - gif_ptr->width || - gif_image_ptr->image_info_ptr->top + - gif_image_ptr->image_info_ptr->height > - gif_ptr->height) { - FX_Free(gif_image_ptr->image_info_ptr); - FX_Free(gif_image_ptr->image_row_buf); - FX_Free(gif_image_ptr); - gif_error(gif_ptr, "Image Data Out Of LSD, The File May Be Corrupt"); - return 0; - } - GifLF* gif_img_info_lf_ptr = (GifLF*)&gif_img_info_ptr->local_flag; - if (gif_img_info_lf_ptr->local_pal) { - ASSERT(sizeof(GifPalette) == 3); - int32_t loc_pal_size = (2 << gif_img_info_lf_ptr->pal_bits) * 3; - uint8_t* loc_pal_ptr = NULL; - if (gif_read_data(gif_ptr, &loc_pal_ptr, loc_pal_size) == NULL) { - gif_ptr->skip_size = skip_size_org; - FX_Free(gif_image_ptr->image_info_ptr); - FX_Free(gif_image_ptr->image_row_buf); - FX_Free(gif_image_ptr); - return 2; - } - gif_image_ptr->local_pal_ptr = - (GifPalette*)gif_ptr->gif_ask_buf_for_pal_fn(gif_ptr, loc_pal_size); - if (gif_image_ptr->local_pal_ptr) { - FXSYS_memcpy((uint8_t*)gif_image_ptr->local_pal_ptr, loc_pal_ptr, - loc_pal_size); - } - } - uint8_t* code_size_ptr = NULL; - if (gif_read_data(gif_ptr, &code_size_ptr, 1) == NULL) { - gif_ptr->skip_size = skip_size_org; - FX_Free(gif_image_ptr->image_info_ptr); - FX_Free(gif_image_ptr->local_pal_ptr); - FX_Free(gif_image_ptr->image_row_buf); - FX_Free(gif_image_ptr); - return 2; - } - gif_image_ptr->image_code_size = *code_size_ptr; - gif_ptr->gif_record_current_position_fn(gif_ptr, - &gif_image_ptr->image_data_pos); - gif_image_ptr->image_data_pos += gif_ptr->skip_size; - gif_takeover_gce_ptr(gif_ptr, &gif_image_ptr->image_gce_ptr); - gif_ptr->img_ptr_arr_ptr->Add(gif_image_ptr); - gif_save_decoding_status(gif_ptr, GIF_D_STATUS_IMG_DATA); - return 1; -} -int32_t gif_load_frame(gif_decompress_struct_p gif_ptr, int32_t frame_num) { - if (gif_ptr == NULL || frame_num < 0 || - frame_num >= gif_ptr->img_ptr_arr_ptr->GetSize()) { - return 0; - } - uint8_t* data_size_ptr = NULL; - uint8_t* data_ptr = NULL; - FX_DWORD skip_size_org = gif_ptr->skip_size; - GifImage* gif_image_ptr = gif_ptr->img_ptr_arr_ptr->GetAt(frame_num); - FX_DWORD gif_img_row_bytes = gif_image_ptr->image_info_ptr->width; - if (gif_ptr->decode_status == GIF_D_STATUS_TAIL) { - if (gif_image_ptr->image_row_buf) { - FX_Free(gif_image_ptr->image_row_buf); - gif_image_ptr->image_row_buf = NULL; - } - gif_image_ptr->image_row_buf = FX_Alloc(uint8_t, gif_img_row_bytes); - GifGCE* gif_img_gce_ptr = gif_image_ptr->image_gce_ptr; - int32_t loc_pal_num = - ((GifLF*)&gif_image_ptr->image_info_ptr->local_flag)->local_pal - ? (2 << ((GifLF*)&gif_image_ptr->image_info_ptr->local_flag) - ->pal_bits) - : 0; - gif_ptr->avail_in = 0; - if (gif_img_gce_ptr == NULL) { - FX_BOOL bRes = gif_ptr->gif_get_record_position_fn( - gif_ptr, gif_image_ptr->image_data_pos, - gif_image_ptr->image_info_ptr->left, - gif_image_ptr->image_info_ptr->top, - gif_image_ptr->image_info_ptr->width, - gif_image_ptr->image_info_ptr->height, loc_pal_num, - gif_image_ptr->local_pal_ptr, 0, 0, -1, 0, - (FX_BOOL)((GifLF*)&gif_image_ptr->image_info_ptr->local_flag) - ->interlace); - if (!bRes) { - FX_Free(gif_image_ptr->image_row_buf); - gif_image_ptr->image_row_buf = NULL; - gif_error(gif_ptr, "Error Read Record Position Data"); - return 0; - } - } else { - FX_BOOL bRes = gif_ptr->gif_get_record_position_fn( - gif_ptr, gif_image_ptr->image_data_pos, - gif_image_ptr->image_info_ptr->left, - gif_image_ptr->image_info_ptr->top, - gif_image_ptr->image_info_ptr->width, - gif_image_ptr->image_info_ptr->height, loc_pal_num, - gif_image_ptr->local_pal_ptr, - (int32_t)gif_image_ptr->image_gce_ptr->delay_time, - (FX_BOOL)((GifCEF*)&gif_image_ptr->image_gce_ptr->gce_flag) - ->user_input, - ((GifCEF*)&gif_image_ptr->image_gce_ptr->gce_flag)->transparency - ? (int32_t)gif_image_ptr->image_gce_ptr->trans_index - : -1, - (int32_t)((GifCEF*)&gif_image_ptr->image_gce_ptr->gce_flag) - ->disposal_method, - (FX_BOOL)((GifLF*)&gif_image_ptr->image_info_ptr->local_flag) - ->interlace); - if (!bRes) { - FX_Free(gif_image_ptr->image_row_buf); - gif_image_ptr->image_row_buf = NULL; - gif_error(gif_ptr, "Error Read Record Position Data"); - return 0; - } - } - if (gif_ptr->img_decoder_ptr == NULL) { - gif_ptr->img_decoder_ptr = new CGifLZWDecoder(gif_ptr->err_ptr); - } - gif_ptr->img_decoder_ptr->InitTable(gif_image_ptr->image_code_size); - gif_ptr->img_row_offset = 0; - gif_ptr->img_row_avail_size = 0; - gif_ptr->img_pass_num = 0; - gif_image_ptr->image_row_num = 0; - gif_save_decoding_status(gif_ptr, GIF_D_STATUS_IMG_DATA); - } - CGifLZWDecoder* img_decoder_ptr = gif_ptr->img_decoder_ptr; - if (gif_ptr->decode_status == GIF_D_STATUS_IMG_DATA) { - if (gif_read_data(gif_ptr, &data_size_ptr, 1) == NULL) { - return 2; - } - if (*data_size_ptr != GIF_BLOCK_TERMINAL) { - if (gif_read_data(gif_ptr, &data_ptr, *data_size_ptr) == NULL) { - gif_ptr->skip_size = skip_size_org; - return 2; - } - img_decoder_ptr->Input(data_ptr, *data_size_ptr); - gif_save_decoding_status(gif_ptr, GIF_D_STATUS_IMG_DATA); - gif_ptr->img_row_offset += gif_ptr->img_row_avail_size; - gif_ptr->img_row_avail_size = gif_img_row_bytes - gif_ptr->img_row_offset; - int32_t ret = img_decoder_ptr->Decode( - gif_image_ptr->image_row_buf + gif_ptr->img_row_offset, - gif_ptr->img_row_avail_size); - if (ret == 0) { - FX_Free(gif_image_ptr->image_row_buf); - gif_image_ptr->image_row_buf = NULL; - gif_save_decoding_status(gif_ptr, GIF_D_STATUS_TAIL); - gif_error(gif_ptr, "Decode Image Data Error"); - return 0; - } - while (ret != 0) { - if (ret == 1) { - gif_ptr->gif_get_row_fn(gif_ptr, gif_image_ptr->image_row_num, - gif_image_ptr->image_row_buf); - FX_Free(gif_image_ptr->image_row_buf); - gif_image_ptr->image_row_buf = NULL; - gif_save_decoding_status(gif_ptr, GIF_D_STATUS_TAIL); - return 1; - } - if (ret == 2) { - ASSERT(img_decoder_ptr->GetAvailInput() == 0); - skip_size_org = gif_ptr->skip_size; - if (gif_read_data(gif_ptr, &data_size_ptr, 1) == NULL) { - return 2; - } - if (*data_size_ptr != GIF_BLOCK_TERMINAL) { - if (gif_read_data(gif_ptr, &data_ptr, *data_size_ptr) == NULL) { - gif_ptr->skip_size = skip_size_org; - return 2; - } - img_decoder_ptr->Input(data_ptr, *data_size_ptr); - gif_save_decoding_status(gif_ptr, GIF_D_STATUS_IMG_DATA); - gif_ptr->img_row_offset += gif_ptr->img_row_avail_size; - gif_ptr->img_row_avail_size = - gif_img_row_bytes - gif_ptr->img_row_offset; - ret = img_decoder_ptr->Decode( - gif_image_ptr->image_row_buf + gif_ptr->img_row_offset, - gif_ptr->img_row_avail_size); - } - } - if (ret == 3) { - if (((GifLF*)&gif_image_ptr->image_info_ptr->local_flag)->interlace) { - gif_ptr->gif_get_row_fn(gif_ptr, gif_image_ptr->image_row_num, - gif_image_ptr->image_row_buf); - gif_image_ptr->image_row_num += - s_gif_interlace_step[gif_ptr->img_pass_num]; - if (gif_image_ptr->image_row_num >= - (int32_t)gif_image_ptr->image_info_ptr->height) { - gif_ptr->img_pass_num++; - gif_image_ptr->image_row_num = - s_gif_interlace_step[gif_ptr->img_pass_num] / 2; - } - } else { - gif_ptr->gif_get_row_fn(gif_ptr, gif_image_ptr->image_row_num++, - gif_image_ptr->image_row_buf); - } - gif_ptr->img_row_offset = 0; - gif_ptr->img_row_avail_size = gif_img_row_bytes; - ret = img_decoder_ptr->Decode( - gif_image_ptr->image_row_buf + gif_ptr->img_row_offset, - gif_ptr->img_row_avail_size); - } - if (ret == 0) { - FX_Free(gif_image_ptr->image_row_buf); - gif_image_ptr->image_row_buf = NULL; - gif_save_decoding_status(gif_ptr, GIF_D_STATUS_TAIL); - gif_error(gif_ptr, "Decode Image Data Error"); - return 0; - } - } - } - gif_save_decoding_status(gif_ptr, GIF_D_STATUS_TAIL); - } - gif_error(gif_ptr, "Decode Image Data Error"); - return 0; -} -void gif_save_decoding_status(gif_decompress_struct_p gif_ptr, int32_t status) { - gif_ptr->decode_status = status; - gif_ptr->next_in += gif_ptr->skip_size; - gif_ptr->avail_in -= gif_ptr->skip_size; - gif_ptr->skip_size = 0; -} -uint8_t* gif_read_data(gif_decompress_struct_p gif_ptr, - uint8_t** des_buf_pp, - FX_DWORD data_size) { - if (gif_ptr == NULL || gif_ptr->avail_in < gif_ptr->skip_size + data_size) { - return NULL; - } - *des_buf_pp = gif_ptr->next_in + gif_ptr->skip_size; - gif_ptr->skip_size += data_size; - return *des_buf_pp; -} -void gif_input_buffer(gif_decompress_struct_p gif_ptr, - uint8_t* src_buf, - FX_DWORD src_size) { - gif_ptr->next_in = src_buf; - gif_ptr->avail_in = src_size; - gif_ptr->skip_size = 0; -} -FX_DWORD gif_get_avail_input(gif_decompress_struct_p gif_ptr, - uint8_t** avial_buf_ptr) { - if (avial_buf_ptr) { - *avial_buf_ptr = NULL; - if (gif_ptr->avail_in > 0) { - *avial_buf_ptr = gif_ptr->next_in; - } - } - return gif_ptr->avail_in; -} -int32_t gif_get_frame_num(gif_decompress_struct_p gif_ptr) { - return gif_ptr->img_ptr_arr_ptr->GetSize(); -} -static FX_BOOL gif_write_header(gif_compress_struct_p gif_ptr, - uint8_t*& dst_buf, - FX_DWORD& dst_len) { - if (gif_ptr->cur_offset) { - return TRUE; - } - dst_len = sizeof(GifHeader) + sizeof(GifLSD) + sizeof(GifGF); - dst_buf = FX_TryAlloc(uint8_t, dst_len); - if (dst_buf == NULL) { - return FALSE; - } - FXSYS_memset(dst_buf, 0, dst_len); - FXSYS_memcpy(dst_buf, gif_ptr->header_ptr, sizeof(GifHeader)); - gif_ptr->cur_offset += sizeof(GifHeader); - SetWord_LSBFirst(dst_buf + gif_ptr->cur_offset, gif_ptr->lsd_ptr->width); - gif_ptr->cur_offset += 2; - SetWord_LSBFirst(dst_buf + gif_ptr->cur_offset, gif_ptr->lsd_ptr->height); - gif_ptr->cur_offset += 2; - dst_buf[gif_ptr->cur_offset++] = gif_ptr->lsd_ptr->global_flag; - dst_buf[gif_ptr->cur_offset++] = gif_ptr->lsd_ptr->bc_index; - dst_buf[gif_ptr->cur_offset++] = gif_ptr->lsd_ptr->pixel_aspect; - if (gif_ptr->global_pal) { - FX_WORD size = sizeof(GifPalette) * gif_ptr->gpal_num; - if (!gif_grow_buf(dst_buf, dst_len, gif_ptr->cur_offset + size)) { - return FALSE; - } - FXSYS_memcpy(&dst_buf[gif_ptr->cur_offset], gif_ptr->global_pal, size); - gif_ptr->cur_offset += size; - } - return TRUE; -} -void interlace_buf(const uint8_t* buf, FX_DWORD pitch, FX_DWORD height) { - CFX_ArrayTemplate<uint8_t*> pass[4]; - int i, j; - FX_DWORD row; - row = 0; - uint8_t* temp; - while (row < height) { - if (row % 8 == 0) { - j = 0; - } else if (row % 4 == 0) { - j = 1; - } else if (row % 2 == 0) { - j = 2; - } else { - j = 3; - } - temp = FX_Alloc(uint8_t, pitch); - if (temp == NULL) { - return; - } - FXSYS_memcpy(temp, &buf[pitch * row], pitch); - pass[j].Add(temp); - row++; - } - for (i = 0, row = 0; i < 4; i++) { - for (j = 0; j < pass[i].GetSize(); j++, row++) { - FXSYS_memcpy((uint8_t*)&buf[pitch * row], pass[i].GetAt(j), pitch); - FX_Free(pass[i].GetAt(j)); - } - } -} -static void gif_write_block_data(const uint8_t* src_buf, - FX_DWORD src_len, - uint8_t*& dst_buf, - FX_DWORD& dst_len, - FX_DWORD& dst_offset) { - FX_DWORD src_offset = 0; - while (src_len > GIF_DATA_BLOCK) { - dst_buf[dst_offset++] = GIF_DATA_BLOCK; - FXSYS_memcpy(&dst_buf[dst_offset], &src_buf[src_offset], GIF_DATA_BLOCK); - dst_offset += GIF_DATA_BLOCK; - src_offset += GIF_DATA_BLOCK; - src_len -= GIF_DATA_BLOCK; - } - dst_buf[dst_offset++] = (uint8_t)src_len; - FXSYS_memcpy(&dst_buf[dst_offset], &src_buf[src_offset], src_len); - dst_offset += src_len; -} -static FX_BOOL gif_write_data(gif_compress_struct_p gif_ptr, - uint8_t*& dst_buf, - FX_DWORD& dst_len) { - if (!gif_grow_buf(dst_buf, dst_len, gif_ptr->cur_offset + GIF_DATA_BLOCK)) { - return FALSE; - } - if (FXSYS_memcmp(gif_ptr->header_ptr->version, "89a", 3) == 0) { - dst_buf[gif_ptr->cur_offset++] = GIF_SIG_EXTENSION; - dst_buf[gif_ptr->cur_offset++] = GIF_BLOCK_GCE; - gif_ptr->gce_ptr->block_size = 4; - dst_buf[gif_ptr->cur_offset++] = gif_ptr->gce_ptr->block_size; - gif_ptr->gce_ptr->gce_flag = 0; - dst_buf[gif_ptr->cur_offset++] = gif_ptr->gce_ptr->gce_flag; - gif_ptr->gce_ptr->delay_time = 10; - SetWord_LSBFirst(dst_buf + gif_ptr->cur_offset, - gif_ptr->gce_ptr->delay_time); - gif_ptr->cur_offset += 2; - gif_ptr->gce_ptr->trans_index = 0; - dst_buf[gif_ptr->cur_offset++] = gif_ptr->gce_ptr->trans_index; - dst_buf[gif_ptr->cur_offset++] = 0; - } - dst_buf[gif_ptr->cur_offset++] = GIF_SIG_IMAGE; - SetWord_LSBFirst(dst_buf + gif_ptr->cur_offset, - gif_ptr->image_info_ptr->left); - gif_ptr->cur_offset += 2; - SetWord_LSBFirst(dst_buf + gif_ptr->cur_offset, gif_ptr->image_info_ptr->top); - gif_ptr->cur_offset += 2; - SetWord_LSBFirst(dst_buf + gif_ptr->cur_offset, - gif_ptr->image_info_ptr->width); - gif_ptr->cur_offset += 2; - SetWord_LSBFirst(dst_buf + gif_ptr->cur_offset, - gif_ptr->image_info_ptr->height); - gif_ptr->cur_offset += 2; - GifLF& lf = (GifLF&)gif_ptr->image_info_ptr->local_flag; - dst_buf[gif_ptr->cur_offset++] = gif_ptr->image_info_ptr->local_flag; - if (gif_ptr->local_pal) { - FX_DWORD pal_size = sizeof(GifPalette) * gif_ptr->lpal_num; - if (!gif_grow_buf(dst_buf, dst_len, pal_size + gif_ptr->cur_offset)) { - return FALSE; - } - FXSYS_memcpy(&dst_buf[gif_ptr->cur_offset], gif_ptr->local_pal, pal_size); - gif_ptr->cur_offset += pal_size; - } - if (lf.interlace) { - interlace_buf(gif_ptr->src_buf, gif_ptr->src_pitch, - gif_ptr->image_info_ptr->height); - } - uint8_t code_bit = lf.pal_bits; - if (lf.local_pal == 0) { - GifGF& gf = (GifGF&)gif_ptr->lsd_ptr->global_flag; - code_bit = gf.pal_bits; - } - gif_ptr->img_encoder_ptr->Start(code_bit, gif_ptr->src_buf, dst_buf, - gif_ptr->cur_offset); - FX_DWORD i; - for (i = 0; i < gif_ptr->src_row; i++) { - if (!gif_ptr->img_encoder_ptr->Encode( - &gif_ptr->src_buf[i * gif_ptr->src_pitch], - gif_ptr->src_width * (code_bit + 1), dst_buf, dst_len, - gif_ptr->cur_offset)) { - return FALSE; - } - } - gif_ptr->img_encoder_ptr->Finish(dst_buf, dst_len, gif_ptr->cur_offset); - dst_buf[gif_ptr->cur_offset++] = 0; - if (FXSYS_memcmp(gif_ptr->header_ptr->version, "89a", 3) == 0 && - gif_ptr->cmt_data_ptr) { - dst_buf[gif_ptr->cur_offset++] = GIF_SIG_EXTENSION; - dst_buf[gif_ptr->cur_offset++] = GIF_BLOCK_CE; - gif_write_block_data(gif_ptr->cmt_data_ptr, gif_ptr->cmt_data_len, dst_buf, - dst_len, gif_ptr->cur_offset); - dst_buf[gif_ptr->cur_offset++] = 0; - } - if (FXSYS_memcmp(gif_ptr->header_ptr->version, "89a", 3) == 0 && - gif_ptr->pte_data_ptr) { - dst_buf[gif_ptr->cur_offset++] = GIF_SIG_EXTENSION; - dst_buf[gif_ptr->cur_offset++] = GIF_BLOCK_PTE; - dst_buf[gif_ptr->cur_offset++] = gif_ptr->pte_ptr->block_size; - SetWord_LSBFirst(dst_buf + gif_ptr->cur_offset, - gif_ptr->pte_ptr->grid_left); - gif_ptr->cur_offset += 2; - SetWord_LSBFirst(dst_buf + gif_ptr->cur_offset, gif_ptr->pte_ptr->grid_top); - gif_ptr->cur_offset += 2; - SetWord_LSBFirst(dst_buf + gif_ptr->cur_offset, - gif_ptr->pte_ptr->grid_width); - gif_ptr->cur_offset += 2; - SetWord_LSBFirst(dst_buf + gif_ptr->cur_offset, - gif_ptr->pte_ptr->grid_height); - gif_ptr->cur_offset += 2; - SetWord_LSBFirst(dst_buf + gif_ptr->cur_offset, - gif_ptr->pte_ptr->char_width); - gif_ptr->cur_offset += 2; - SetWord_LSBFirst(dst_buf + gif_ptr->cur_offset, - gif_ptr->pte_ptr->char_height); - gif_ptr->cur_offset += 2; - SetWord_LSBFirst(dst_buf + gif_ptr->cur_offset, gif_ptr->pte_ptr->fc_index); - gif_ptr->cur_offset += 2; - SetWord_LSBFirst(dst_buf + gif_ptr->cur_offset, gif_ptr->pte_ptr->bc_index); - gif_ptr->cur_offset += 2; - gif_write_block_data(gif_ptr->pte_data_ptr, gif_ptr->pte_data_len, dst_buf, - dst_len, gif_ptr->cur_offset); - gif_ptr->cur_offset += gif_ptr->pte_data_len; - dst_buf[gif_ptr->cur_offset++] = 0; - } - dst_buf[gif_ptr->cur_offset++] = GIF_SIG_TRAILER; - return TRUE; -} -FX_BOOL gif_encode(gif_compress_struct_p gif_ptr, - uint8_t*& dst_buf, - FX_DWORD& dst_len) { - if (!gif_write_header(gif_ptr, dst_buf, dst_len)) { - return FALSE; - } - FX_DWORD cur_offset = gif_ptr->cur_offset; - FX_BOOL res = TRUE; - if (gif_ptr->frames) { - gif_ptr->cur_offset--; - } - if (!gif_write_data(gif_ptr, dst_buf, dst_len)) { - gif_ptr->cur_offset = cur_offset; - res = FALSE; - } - dst_len = gif_ptr->cur_offset; - dst_buf[dst_len - 1] = GIF_SIG_TRAILER; - if (res) { - gif_ptr->frames++; - } - return res; -} diff --git a/core/src/fxcodec/lgif/fx_gif.h b/core/src/fxcodec/lgif/fx_gif.h deleted file mode 100644 index 32300a50e5..0000000000 --- a/core/src/fxcodec/lgif/fx_gif.h +++ /dev/null @@ -1,296 +0,0 @@ -// 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_SRC_FXCODEC_LGIF_FX_GIF_H_ -#define CORE_SRC_FXCODEC_LGIF_FX_GIF_H_ - -#include <setjmp.h> - -#include "core/include/fxcrt/fx_basic.h" - -#define GIF_SIGNATURE "GIF" -#define GIF_SIG_EXTENSION 0x21 -#define GIF_SIG_IMAGE 0x2C -#define GIF_SIG_TRAILER 0x3B -#define GIF_BLOCK_GCE 0xF9 -#define GIF_BLOCK_PTE 0x01 -#define GIF_BLOCK_CE 0xFE -#define GIF_BLOCK_AE 0xFF -#define GIF_BLOCK_TERMINAL 0x00 -#define GIF_MAX_LZW_CODE 4096 -#define GIF_DATA_BLOCK 255 -#define GIF_MAX_ERROR_SIZE 256 -#define GIF_D_STATUS_SIG 0x01 -#define GIF_D_STATUS_TAIL 0x02 -#define GIF_D_STATUS_EXT 0x03 -#define GIF_D_STATUS_EXT_AE 0x04 -#define GIF_D_STATUS_EXT_CE 0x05 -#define GIF_D_STATUS_EXT_GCE 0x06 -#define GIF_D_STATUS_EXT_PTE 0x07 -#define GIF_D_STATUS_EXT_UNE 0x08 -#define GIF_D_STATUS_IMG_INFO 0x09 -#define GIF_D_STATUS_IMG_DATA 0x0A -#pragma pack(1) -typedef struct tagGifGF { - uint8_t pal_bits : 3; - uint8_t sort_flag : 1; - uint8_t color_resolution : 3; - uint8_t global_pal : 1; -} GifGF; -typedef struct tagGifLF { - uint8_t pal_bits : 3; - uint8_t reserved : 2; - uint8_t sort_flag : 1; - uint8_t interlace : 1; - uint8_t local_pal : 1; -} GifLF; -typedef struct tagGifHeader { - char signature[3]; - char version[3]; -} GifHeader; -typedef struct tagGifLSD { - FX_WORD width; - FX_WORD height; - uint8_t global_flag; - uint8_t bc_index; - uint8_t pixel_aspect; -} GifLSD; -typedef struct tagGifImageInfo { - FX_WORD left; - FX_WORD top; - FX_WORD width; - FX_WORD height; - - uint8_t local_flag; -} GifImageInfo; -typedef struct tagGifCEF { - uint8_t transparency : 1; - uint8_t user_input : 1; - uint8_t disposal_method : 3; - uint8_t reserved : 3; -} GifCEF; -typedef struct tagGifGCE { - uint8_t block_size; - uint8_t gce_flag; - FX_WORD delay_time; - uint8_t trans_index; -} GifGCE; -typedef struct tagGifPTE { - uint8_t block_size; - FX_WORD grid_left; - FX_WORD grid_top; - FX_WORD grid_width; - FX_WORD grid_height; - - uint8_t char_width; - uint8_t char_height; - - uint8_t fc_index; - uint8_t bc_index; -} GifPTE; -typedef struct tagGifAE { - uint8_t block_size; - uint8_t app_identify[8]; - uint8_t app_authentication[3]; -} GifAE; -typedef struct tagGifPalette { uint8_t r, g, b; } GifPalette; -#pragma pack() -typedef struct tagGifImage { - GifGCE* image_gce_ptr; - GifPalette* local_pal_ptr; - GifImageInfo* image_info_ptr; - uint8_t image_code_size; - FX_DWORD image_data_pos; - uint8_t* image_row_buf; - int32_t image_row_num; -} GifImage; -typedef struct tagGifPlainText { - GifGCE* gce_ptr; - GifPTE* pte_ptr; - CFX_ByteString* string_ptr; -} GifPlainText; -class CGifLZWDecoder { - public: - struct tag_Table { - FX_WORD prefix; - uint8_t suffix; - }; - CGifLZWDecoder(FX_CHAR* error_ptr = NULL) { err_msg_ptr = error_ptr; } - void InitTable(uint8_t code_len); - - int32_t Decode(uint8_t* des_buf, FX_DWORD& des_size); - - void Input(uint8_t* src_buf, FX_DWORD src_size); - FX_DWORD GetAvailInput(); - - private: - void ClearTable(); - void AddCode(FX_WORD prefix_code, uint8_t append_char); - void DecodeString(FX_WORD code); - uint8_t code_size; - uint8_t code_size_cur; - FX_WORD code_clear; - FX_WORD code_end; - FX_WORD code_next; - uint8_t code_first; - uint8_t stack[GIF_MAX_LZW_CODE]; - FX_WORD stack_size; - tag_Table code_table[GIF_MAX_LZW_CODE]; - FX_WORD code_old; - - uint8_t* next_in; - FX_DWORD avail_in; - - uint8_t bits_left; - FX_DWORD code_store; - - FX_CHAR* err_msg_ptr; -}; -class CGifLZWEncoder { - public: - struct tag_Table { - FX_WORD prefix; - uint8_t suffix; - }; - CGifLZWEncoder(); - ~CGifLZWEncoder(); - void Start(uint8_t code_len, - const uint8_t* src_buf, - uint8_t*& dst_buf, - FX_DWORD& offset); - FX_BOOL Encode(const uint8_t* src_buf, - FX_DWORD src_len, - uint8_t*& dst_buf, - FX_DWORD& dst_len, - FX_DWORD& offset); - void Finish(uint8_t*& dst_buf, FX_DWORD& dst_len, FX_DWORD& offset); - - private: - void ClearTable(); - FX_BOOL LookUpInTable(const uint8_t* buf, - FX_DWORD& offset, - uint8_t& bit_offset); - void EncodeString(FX_DWORD index, - uint8_t*& dst_buf, - FX_DWORD& dst_len, - FX_DWORD& offset); - void WriteBlock(uint8_t*& dst_buf, FX_DWORD& dst_len, FX_DWORD& offset); - jmp_buf jmp; - FX_DWORD src_offset; - uint8_t src_bit_offset; - uint8_t src_bit_cut; - FX_DWORD src_bit_num; - uint8_t code_size; - FX_WORD code_clear; - FX_WORD code_end; - FX_WORD index_num; - uint8_t bit_offset; - uint8_t index_bit_cur; - uint8_t index_buf[GIF_DATA_BLOCK]; - uint8_t index_buf_len; - tag_Table code_table[GIF_MAX_LZW_CODE]; - FX_WORD table_cur; -}; -typedef struct tag_gif_decompress_struct gif_decompress_struct; -typedef gif_decompress_struct* gif_decompress_struct_p; -typedef gif_decompress_struct_p* gif_decompress_struct_pp; -static const int32_t s_gif_interlace_step[4] = {8, 8, 4, 2}; -struct tag_gif_decompress_struct { - jmp_buf jmpbuf; - FX_CHAR* err_ptr; - void (*gif_error_fn)(gif_decompress_struct_p gif_ptr, const FX_CHAR* err_msg); - void* context_ptr; - int width; - int height; - GifPalette* global_pal_ptr; - int32_t global_pal_num; - uint8_t global_sort_flag; - uint8_t global_color_resolution; - - uint8_t bc_index; - uint8_t pixel_aspect; - CGifLZWDecoder* img_decoder_ptr; - FX_DWORD img_row_offset; - FX_DWORD img_row_avail_size; - uint8_t img_pass_num; - CFX_ArrayTemplate<GifImage*>* img_ptr_arr_ptr; - uint8_t* (*gif_ask_buf_for_pal_fn)(gif_decompress_struct_p gif_ptr, - int32_t pal_size); - uint8_t* next_in; - FX_DWORD avail_in; - int32_t decode_status; - FX_DWORD skip_size; - void (*gif_record_current_position_fn)(gif_decompress_struct_p gif_ptr, - FX_DWORD* cur_pos_ptr); - void (*gif_get_row_fn)(gif_decompress_struct_p gif_ptr, - int32_t row_num, - uint8_t* row_buf); - FX_BOOL (*gif_get_record_position_fn)(gif_decompress_struct_p gif_ptr, - FX_DWORD cur_pos, - int32_t left, int32_t top, int32_t width, int32_t height, - int32_t pal_num, void* pal_ptr, - int32_t delay_time, FX_BOOL user_input, - int32_t trans_index, int32_t disposal_method, FX_BOOL interlace); - CFX_ByteString* cmt_data_ptr; - GifGCE* gce_ptr; - CFX_ArrayTemplate<GifPlainText*>* pt_ptr_arr_ptr; -}; -typedef struct tag_gif_compress_struct gif_compress_struct; -typedef gif_compress_struct* gif_compress_struct_p; -typedef gif_compress_struct_p* gif_compress_struct_pp; -struct tag_gif_compress_struct { - const uint8_t* src_buf; - FX_DWORD src_pitch; - FX_DWORD src_width; - FX_DWORD src_row; - FX_DWORD cur_offset; - FX_DWORD frames; - GifHeader* header_ptr; - GifLSD* lsd_ptr; - GifPalette* global_pal; - FX_WORD gpal_num; - GifPalette* local_pal; - FX_WORD lpal_num; - GifImageInfo* image_info_ptr; - CGifLZWEncoder* img_encoder_ptr; - - uint8_t* cmt_data_ptr; - FX_DWORD cmt_data_len; - GifGCE* gce_ptr; - GifPTE* pte_ptr; - const uint8_t* pte_data_ptr; - FX_DWORD pte_data_len; -}; - -void gif_error(gif_decompress_struct_p gif_ptr, const FX_CHAR* err_msg); -void gif_warn(gif_decompress_struct_p gif_ptr, const FX_CHAR* err_msg); -gif_decompress_struct_p gif_create_decompress(); -void gif_destroy_decompress(gif_decompress_struct_pp gif_ptr_ptr); -gif_compress_struct_p gif_create_compress(); -void gif_destroy_compress(gif_compress_struct_pp gif_ptr_ptr); -int32_t gif_read_header(gif_decompress_struct_p gif_ptr); -int32_t gif_get_frame(gif_decompress_struct_p gif_ptr); -int32_t gif_get_frame_num(gif_decompress_struct_p gif_ptr); -int32_t gif_decode_extension(gif_decompress_struct_p gif_ptr); -int32_t gif_decode_image_info(gif_decompress_struct_p gif_ptr); -void gif_takeover_gce_ptr(gif_decompress_struct_p gif_ptr, - GifGCE** gce_ptr_ptr); -int32_t gif_load_frame(gif_decompress_struct_p gif_ptr, int32_t frame_num); -uint8_t* gif_read_data(gif_decompress_struct_p gif_ptr, - uint8_t** des_buf_pp, - FX_DWORD data_size); -void gif_save_decoding_status(gif_decompress_struct_p gif_ptr, int32_t status); -void gif_input_buffer(gif_decompress_struct_p gif_ptr, - uint8_t* src_buf, - FX_DWORD src_size); -FX_DWORD gif_get_avail_input(gif_decompress_struct_p gif_ptr, - uint8_t** avial_buf_ptr); -void interlace_buf(const uint8_t* buf, FX_DWORD width, FX_DWORD height); -FX_BOOL gif_encode(gif_compress_struct_p gif_ptr, - uint8_t*& dst_buf, - FX_DWORD& dst_len); - -#endif // CORE_SRC_FXCODEC_LGIF_FX_GIF_H_ |