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authorDan Sinclair <dsinclair@chromium.org>2016-03-14 13:35:12 -0400
committerDan Sinclair <dsinclair@chromium.org>2016-03-14 13:35:12 -0400
commit764ec513eecbebd12781bcc96ce81ed5e736ee92 (patch)
tree12763fde4be1f10ea1183d92185917b2b587e00b /core/src/fxcodec
parent97da97662417085774f75c26e535c6fbe70266ae (diff)
downloadpdfium-764ec513eecbebd12781bcc96ce81ed5e736ee92.tar.xz
Move core/src/ up to core/.
This CL moves the core/src/ files up to core/ and fixes up the include guards, includes and build files. R=tsepez@chromium.org Review URL: https://codereview.chromium.org/1800523005 .
Diffstat (limited to 'core/src/fxcodec')
-rw-r--r--core/src/fxcodec/DEPS8
-rw-r--r--core/src/fxcodec/codec/DEPS4
-rw-r--r--core/src/fxcodec/codec/codec_int.h428
-rw-r--r--core/src/fxcodec/codec/fx_codec.cpp490
-rw-r--r--core/src/fxcodec/codec/fx_codec_bmp.cpp125
-rw-r--r--core/src/fxcodec/codec/fx_codec_fax.cpp830
-rw-r--r--core/src/fxcodec/codec/fx_codec_flate.cpp1007
-rw-r--r--core/src/fxcodec/codec/fx_codec_gif.cpp187
-rw-r--r--core/src/fxcodec/codec/fx_codec_icc.cpp1986
-rw-r--r--core/src/fxcodec/codec/fx_codec_jbig.cpp127
-rw-r--r--core/src/fxcodec/codec/fx_codec_jpeg.cpp692
-rw-r--r--core/src/fxcodec/codec/fx_codec_jpx_opj.cpp888
-rw-r--r--core/src/fxcodec/codec/fx_codec_jpx_unittest.cpp538
-rw-r--r--core/src/fxcodec/codec/fx_codec_png.cpp254
-rw-r--r--core/src/fxcodec/codec/fx_codec_progress.cpp2299
-rw-r--r--core/src/fxcodec/codec/fx_codec_progress.h213
-rw-r--r--core/src/fxcodec/codec/fx_codec_tiff.cpp544
-rw-r--r--core/src/fxcodec/jbig2/JBig2_ArithDecoder.cpp152
-rw-r--r--core/src/fxcodec/jbig2/JBig2_ArithDecoder.h38
-rw-r--r--core/src/fxcodec/jbig2/JBig2_ArithIntDecoder.cpp99
-rw-r--r--core/src/fxcodec/jbig2/JBig2_ArithIntDecoder.h41
-rw-r--r--core/src/fxcodec/jbig2/JBig2_BitStream.cpp189
-rw-r--r--core/src/fxcodec/jbig2/JBig2_BitStream.h58
-rw-r--r--core/src/fxcodec/jbig2/JBig2_Context.cpp1439
-rw-r--r--core/src/fxcodec/jbig2/JBig2_Context.h134
-rw-r--r--core/src/fxcodec/jbig2/JBig2_Define.h36
-rw-r--r--core/src/fxcodec/jbig2/JBig2_GrdProc.cpp1259
-rw-r--r--core/src/fxcodec/jbig2/JBig2_GrdProc.h124
-rw-r--r--core/src/fxcodec/jbig2/JBig2_GrrdProc.cpp516
-rw-r--r--core/src/fxcodec/jbig2/JBig2_GrrdProc.h43
-rw-r--r--core/src/fxcodec/jbig2/JBig2_GsidProc.cpp123
-rw-r--r--core/src/fxcodec/jbig2/JBig2_GsidProc.h36
-rw-r--r--core/src/fxcodec/jbig2/JBig2_HtrdProc.cpp104
-rw-r--r--core/src/fxcodec/jbig2/JBig2_HtrdProc.h46
-rw-r--r--core/src/fxcodec/jbig2/JBig2_HuffmanDecoder.cpp46
-rw-r--r--core/src/fxcodec/jbig2/JBig2_HuffmanDecoder.h24
-rw-r--r--core/src/fxcodec/jbig2/JBig2_HuffmanTable.cpp137
-rw-r--r--core/src/fxcodec/jbig2/JBig2_HuffmanTable.h50
-rw-r--r--core/src/fxcodec/jbig2/JBig2_HuffmanTable_Standard.h98
-rw-r--r--core/src/fxcodec/jbig2/JBig2_Image.cpp1099
-rw-r--r--core/src/fxcodec/jbig2/JBig2_Image.h85
-rw-r--r--core/src/fxcodec/jbig2/JBig2_List.h56
-rw-r--r--core/src/fxcodec/jbig2/JBig2_Page.h22
-rw-r--r--core/src/fxcodec/jbig2/JBig2_PatternDict.cpp23
-rw-r--r--core/src/fxcodec/jbig2/JBig2_PatternDict.h23
-rw-r--r--core/src/fxcodec/jbig2/JBig2_PddProc.cpp87
-rw-r--r--core/src/fxcodec/jbig2/JBig2_PddProc.h34
-rw-r--r--core/src/fxcodec/jbig2/JBig2_SddProc.cpp624
-rw-r--r--core/src/fxcodec/jbig2/JBig2_SddProc.h49
-rw-r--r--core/src/fxcodec/jbig2/JBig2_Segment.cpp44
-rw-r--r--core/src/fxcodec/jbig2/JBig2_Segment.h66
-rw-r--r--core/src/fxcodec/jbig2/JBig2_SymbolDict.cpp28
-rw-r--r--core/src/fxcodec/jbig2/JBig2_SymbolDict.h48
-rw-r--r--core/src/fxcodec/jbig2/JBig2_TrdProc.cpp407
-rw-r--r--core/src/fxcodec/jbig2/JBig2_TrdProc.h82
-rw-r--r--core/src/fxcodec/lbmp/fx_bmp.cpp948
-rw-r--r--core/src/fxcodec/lbmp/fx_bmp.h155
-rw-r--r--core/src/fxcodec/lgif/fx_gif.cpp1229
-rw-r--r--core/src/fxcodec/lgif/fx_gif.h296
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,
- 198, 156, 110, 171, 136, 95, 146, 116, 80, 122, 96, 65, 97, 75, 47,
- 69, 50, 25, 30, 10, 0, 254, 197, 115, 225, 175, 104, 198, 156, 92,
- 172, 135, 79, 147, 115, 66, 123, 95, 52, 98, 74, 37, 69, 49, 15,
- 29, 10, 0, 254, 196, 89, 224, 175, 80, 199, 154, 70, 172, 134, 59,
- 146, 114, 48, 122, 95, 36, 97, 74, 21, 68, 49, 0, 27, 9, 0,
- 255, 195, 57, 225, 173, 52, 198, 154, 44, 172, 133, 36, 147, 113, 26,
- 123, 94, 14, 98, 74, 0, 68, 49, 0, 26, 10, 0, 254, 194, 15,
- 225, 172, 12, 198, 153, 7, 172, 132, 3, 146, 113, 0, 123, 93, 0,
- 98, 73, 0, 68, 49, 0, 26, 9, 0, 246, 178, 209, 218, 159, 186,
- 194, 140, 166, 168, 122, 145, 144, 104, 125, 121, 85, 103, 97, 65, 81,
- 69, 41, 55, 34, 0, 12, 248, 176, 186, 219, 157, 166, 195, 139, 149,
- 168, 121, 130, 144, 103, 111, 121, 85, 91, 97, 65, 71, 69, 41, 46,
- 34, 0, 4, 249, 175, 168, 220, 156, 150, 196, 139, 135, 169, 121, 116,
- 144, 103, 100, 122, 84, 83, 98, 65, 63, 70, 41, 39, 33, 0, 0,
- 249, 175, 148, 220, 155, 133, 196, 138, 119, 169, 120, 103, 145, 101, 87,
- 121, 83, 71, 97, 65, 54, 69, 41, 31, 32, 0, 0, 249, 173, 128,
- 222, 154, 115, 195, 137, 102, 170, 119, 88, 145, 101, 74, 122, 83, 59,
- 97, 64, 43, 68, 40, 20, 30, 0, 0, 250, 172, 108, 221, 154, 98,
- 195, 136, 86, 170, 118, 73, 145, 100, 61, 122, 82, 48, 97, 63, 32,
- 69, 40, 11, 28, 0, 0, 250, 171, 85, 221, 153, 76, 196, 136, 67,
- 170, 117, 56, 145, 99, 44, 121, 82, 33, 97, 63, 17, 68, 40, 0,
- 28, 0, 0, 251, 171, 58, 222, 152, 50, 197, 135, 43, 169, 117, 34,
- 146, 99, 25, 121, 81, 10, 96, 63, 0, 68, 40, 0, 27, 0, 0,
- 250, 170, 26, 222, 151, 19, 196, 134, 13, 169, 116, 4, 145, 99, 0,
- 122, 81, 0, 97, 63, 0, 67, 40, 0, 26, 0, 0, 244, 153, 194,
- 215, 136, 173, 192, 121, 155, 167, 104, 135, 143, 89, 115, 121, 72, 96,
- 97, 54, 75, 70, 31, 49, 34, 0, 6, 245, 153, 173, 216, 136, 155,
- 192, 120, 138, 167, 104, 121, 144, 88, 103, 121, 71, 85, 97, 54, 66,
- 69, 31, 42, 34, 0, 0, 246, 152, 157, 217, 135, 140, 193, 120, 126,
- 167, 103, 109, 143, 88, 92, 121, 72, 76, 97, 54, 58, 69, 31, 35,
- 33, 0, 0, 245, 150, 139, 218, 134, 125, 193, 119, 111, 167, 103, 96,
- 144, 87, 80, 121, 71, 66, 96, 53, 49, 68, 31, 26, 32, 0, 0,
- 246, 151, 122, 218, 133, 108, 194, 118, 96, 168, 102, 81, 144, 86, 69,
- 120, 71, 55, 95, 53, 39, 68, 30, 17, 31, 0, 0, 248, 150, 103,
- 218, 133, 91, 193, 118, 81, 168, 102, 69, 143, 86, 56, 120, 70, 43,
- 96, 53, 28, 68, 31, 6, 29, 0, 0, 247, 149, 81, 218, 132, 72,
- 194, 117, 62, 168, 101, 52, 144, 86, 42, 121, 70, 29, 96, 52, 13,
- 68, 30, 0, 28, 0, 0, 247, 148, 55, 219, 131, 50, 194, 117, 43,
- 167, 101, 32, 144, 85, 22, 120, 69, 8, 96, 52, 0, 67, 30, 0,
- 27, 0, 0, 247, 147, 29, 218, 131, 24, 194, 116, 20, 168, 100, 11,
- 144, 85, 0, 120, 69, 0, 96, 52, 0, 67, 30, 0, 26, 0, 0,
- 242, 130, 179, 214, 114, 160, 190, 101, 143, 166, 87, 125, 143, 72, 107,
- 120, 58, 88, 96, 42, 68, 69, 17, 44, 35, 0, 0, 243, 129, 161,
- 215, 114, 143, 191, 101, 128, 166, 87, 113, 143, 73, 96, 120, 58, 79,
- 96, 41, 60, 69, 18, 37, 33, 0, 0, 243, 129, 146, 216, 114, 130,
- 192, 101, 117, 166, 87, 101, 143, 72, 86, 121, 58, 69, 96, 42, 52,
- 69, 18, 29, 31, 0, 0, 243, 128, 130, 216, 114, 115, 191, 101, 102,
- 165, 86, 88, 142, 72, 75, 120, 58, 60, 95, 42, 43, 68, 19, 21,
- 30, 0, 0, 244, 127, 112, 217, 113, 101, 192, 99, 89, 166, 85, 75,
- 142, 72, 63, 119, 57, 50, 96, 41, 35, 68, 19, 13, 30, 0, 0,
- 244, 127, 96, 216, 112, 86, 191, 99, 75, 166, 86, 64, 143, 72, 52,
- 120, 57, 40, 95, 41, 24, 67, 20, 1, 29, 0, 0, 245, 126, 77,
- 216, 113, 68, 191, 100, 59, 166, 85, 49, 142, 71, 38, 119, 57, 26,
- 95, 41, 10, 67, 20, 0, 28, 0, 0, 244, 126, 55, 216, 112, 48,
- 191, 99, 40, 166, 85, 31, 143, 71, 20, 119, 57, 6, 95, 42, 0,
- 67, 20, 0, 28, 0, 0, 245, 126, 33, 217, 112, 26, 192, 99, 22,
- 166, 84, 11, 142, 70, 0, 119, 57, 0, 95, 41, 0, 66, 20, 0,
- 27, 0, 0, 241, 102, 167, 213, 90, 149, 189, 79, 133, 165, 66, 115,
- 141, 54, 98, 119, 41, 81, 96, 25, 63, 69, 0, 38, 30, 0, 0,
- 241, 102, 149, 213, 90, 133, 189, 79, 119, 165, 66, 103, 142, 55, 88,
- 119, 41, 71, 96, 25, 53, 69, 0, 31, 28, 0, 0, 241, 102, 135,
- 214, 90, 121, 190, 79, 108, 165, 66, 92, 141, 55, 78, 119, 42, 63,
- 96, 26, 46, 69, 0, 24, 28, 0, 0, 241, 101, 120, 214, 90, 107,
- 189, 79, 95, 165, 67, 83, 141, 54, 68, 118, 41, 54, 95, 27, 39,
- 68, 0, 16, 27, 0, 0, 241, 102, 106, 213, 90, 93, 189, 78, 82,
- 164, 67, 70, 141, 55, 58, 118, 42, 45, 94, 27, 29, 67, 2, 6,
- 27, 0, 0, 242, 101, 90, 214, 89, 79, 190, 79, 69, 166, 67, 59,
- 141, 55, 47, 118, 41, 35, 95, 27, 19, 67, 3, 0, 26, 0, 0,
- 242, 102, 72, 213, 89, 63, 191, 79, 56, 164, 67, 45, 141, 55, 34,
- 118, 42, 22, 94, 28, 6, 67, 3, 0, 26, 0, 0, 242, 100, 51,
- 214, 89, 45, 190, 78, 38, 164, 67, 30, 141, 55, 18, 118, 42, 3,
- 95, 28, 0, 66, 4, 0, 26, 0, 0, 243, 100, 33, 214, 90, 27,
- 190, 78, 22, 165, 67, 13, 141, 55, 0, 118, 43, 0, 94, 29, 0,
- 66, 5, 0, 26, 0, 0, 237, 69, 153, 211, 58, 135, 187, 51, 121,
- 163, 41, 105, 141, 28, 90, 118, 15, 73, 96, 0, 56, 68, 0, 33,
- 25, 0, 0, 239, 67, 137, 212, 60, 123, 189, 50, 110, 163, 41, 94,
- 141, 29, 79, 118, 17, 65, 95, 0, 48, 69, 0, 26, 25, 0, 0,
- 240, 69, 124, 211, 60, 111, 188, 50, 98, 163, 42, 85, 141, 31, 72,
- 118, 18, 57, 94, 0, 41, 68, 0, 19, 25, 0, 0, 240, 70, 112,
- 212, 61, 99, 188, 52, 87, 163, 41, 74, 140, 31, 62, 118, 20, 48,
- 94, 2, 32, 68, 0, 11, 24, 0, 0, 239, 70, 98, 212, 62, 86,
- 188, 53, 77, 164, 42, 64, 140, 32, 52, 118, 20, 40, 94, 3, 24,
- 67, 0, 3, 23, 0, 0, 239, 71, 85, 212, 61, 74, 187, 53, 65,
- 163, 44, 54, 140, 34, 43, 118, 22, 30, 95, 3, 14, 67, 0, 0,
- 23, 0, 0, 239, 70, 67, 212, 62, 59, 188, 53, 51, 163, 45, 42,
- 141, 34, 31, 117, 22, 17, 94, 5, 2, 66, 0, 0, 23, 0, 0,
- 239, 71, 50, 213, 62, 43, 188, 54, 37, 164, 45, 28, 139, 34, 16,
- 117, 22, 2, 94, 7, 0, 65, 0, 0, 23, 0, 0, 240, 71, 34,
- 212, 63, 29, 189, 54, 24, 163, 46, 15, 139, 36, 2, 117, 25, 0,
- 94, 8, 0, 66, 0, 0, 23, 0, 0, 237, 0, 140, 209, 0, 124,
- 186, 0, 112, 162, 0, 97, 141, 0, 82, 118, 0, 67, 95, 0, 49,
- 68, 0, 27, 20, 0, 0, 237, 0, 126, 210, 0, 113, 187, 0, 99,
- 163, 0, 86, 139, 0, 72, 118, 0, 58, 95, 0, 42, 67, 0, 20,
- 20, 0, 0, 237, 1, 114, 209, 1, 102, 187, 0, 90, 163, 0, 78,
- 139, 0, 64, 118, 0, 50, 95, 0, 35, 67, 0, 13, 20, 0, 0,
- 236, 16, 102, 209, 7, 91, 186, 0, 80, 162, 0, 68, 139, 0, 56,
- 117, 0, 43, 94, 0, 27, 67, 0, 6, 20, 0, 0, 238, 15, 89,
- 209, 13, 79, 186, 6, 69, 162, 0, 58, 139, 0, 47, 117, 0, 34,
- 93, 0, 20, 66, 0, 2, 20, 0, 0, 237, 20, 78, 210, 12, 68,
- 187, 4, 59, 163, 0, 49, 139, 0, 38, 116, 0, 26, 94, 0, 11,
- 66, 0, 0, 20, 0, 0, 237, 25, 64, 210, 18, 56, 186, 11, 48,
- 162, 4, 39, 138, 0, 27, 117, 0, 14, 93, 0, 0, 66, 0, 0,
- 20, 0, 0, 238, 25, 48, 210, 22, 43, 186, 15, 35, 162, 8, 26,
- 140, 0, 14, 117, 0, 0, 93, 0, 0, 65, 0, 0, 20, 0, 0,
- 238, 28, 35, 210, 21, 30, 187, 15, 24, 162, 8, 16, 139, 1, 2,
- 117, 0, 0, 93, 0, 0, 65, 0, 0, 22, 0, 0, 219, 242, 252,
- 195, 214, 225, 172, 191, 201, 148, 165, 175, 127, 142, 150, 106, 119, 126,
- 84, 95, 101, 58, 66, 72, 24, 27, 32, 222, 239, 226, 196, 213, 202,
- 173, 189, 180, 150, 165, 158, 129, 141, 135, 107, 118, 113, 85, 94, 90,
- 58, 66, 63, 21, 26, 24, 223, 237, 203, 198, 211, 182, 175, 188, 163,
- 152, 164, 141, 129, 140, 121, 107, 117, 101, 85, 93, 80, 58, 64, 54,
- 21, 26, 18, 226, 236, 179, 201, 210, 160, 177, 187, 143, 153, 162, 125,
- 130, 139, 106, 108, 116, 89, 85, 92, 69, 58, 64, 45, 20, 25, 8,
- 227, 234, 153, 201, 208, 139, 178, 185, 124, 154, 161, 107, 131, 138, 91,
- 108, 115, 75, 85, 91, 58, 58, 63, 35, 17, 25, 0, 229, 233, 130,
- 203, 207, 116, 178, 184, 104, 154, 160, 90, 131, 137, 76, 109, 114, 62,
- 85, 90, 46, 58, 63, 25, 16, 24, 0, 230, 231, 100, 202, 205, 90,
- 179, 183, 80, 154, 159, 69, 131, 136, 57, 109, 113, 46, 86, 90, 32,
- 58, 63, 10, 14, 24, 0, 230, 230, 65, 204, 204, 58, 180, 182, 52,
- 155, 157, 44, 132, 135, 35, 110, 113, 24, 86, 89, 9, 57, 62, 0,
- 11, 24, 0, 232, 230, 19, 204, 204, 19, 180, 181, 17, 155, 157, 10,
- 131, 134, 2, 109, 112, 0, 85, 89, 0, 57, 62, 0, 10, 23, 0,
- 218, 216, 236, 194, 192, 211, 172, 171, 188, 149, 149, 164, 128, 127, 141,
- 106, 106, 119, 84, 84, 94, 59, 57, 66, 25, 18, 26, 221, 214, 211,
- 196, 191, 190, 174, 170, 170, 150, 148, 148, 128, 126, 127, 107, 105, 106,
- 85, 83, 84, 59, 56, 58, 23, 17, 18, 222, 213, 190, 197, 189, 170,
- 175, 169, 153, 151, 147, 133, 129, 126, 113, 108, 105, 94, 85, 82, 74,
- 59, 56, 49, 22, 17, 11, 224, 211, 168, 199, 188, 151, 175, 168, 135,
- 152, 146, 117, 129, 124, 99, 107, 103, 82, 84, 82, 64, 59, 55, 41,
- 21, 17, 1, 224, 210, 145, 199, 187, 130, 176, 166, 117, 152, 145, 101,
- 129, 123, 86, 107, 103, 70, 85, 81, 53, 58, 55, 31, 19, 17, 0,
- 227, 208, 123, 200, 186, 110, 177, 165, 98, 153, 143, 84, 130, 122, 70,
- 108, 102, 57, 85, 80, 41, 58, 54, 20, 18, 16, 0, 227, 208, 97,
- 202, 185, 86, 177, 164, 77, 153, 142, 65, 130, 122, 54, 108, 101, 42,
- 85, 80, 27, 58, 54, 7, 16, 16, 0, 228, 206, 66, 202, 184, 58,
- 178, 163, 50, 154, 141, 42, 131, 121, 33, 109, 101, 21, 86, 79, 5,
- 58, 54, 0, 13, 16, 0, 228, 206, 29, 202, 183, 25, 178, 163, 20,
- 154, 141, 15, 131, 121, 5, 108, 100, 0, 85, 79, 0, 58, 53, 0,
- 13, 16, 0, 217, 193, 221, 193, 172, 198, 172, 153, 178, 149, 133, 154,
- 128, 114, 132, 107, 94, 111, 85, 74, 89, 59, 49, 61, 25, 8, 22,
- 219, 191, 198, 195, 171, 178, 173, 153, 159, 149, 132, 139, 128, 113, 119,
- 107, 94, 100, 85, 73, 79, 59, 48, 52, 25, 7, 14, 221, 191, 180,
- 196, 170, 160, 174, 152, 144, 150, 132, 125, 129, 113, 107, 107, 93, 89,
- 85, 73, 69, 59, 48, 45, 23, 7, 4, 222, 189, 159, 197, 169, 142,
- 174, 151, 127, 151, 131, 110, 129, 112, 94, 108, 93, 78, 85, 72, 60,
- 58, 47, 37, 22, 7, 0, 223, 188, 138, 197, 168, 123, 175, 150, 109,
- 151, 130, 95, 130, 111, 81, 108, 92, 65, 85, 72, 49, 59, 47, 27,
- 21, 7, 0, 224, 187, 118, 198, 167, 105, 176, 149, 93, 152, 129, 79,
- 130, 110, 68, 108, 91, 54, 85, 71, 38, 59, 47, 17, 18, 7, 0,
- 224, 187, 93, 199, 166, 83, 176, 148, 73, 152, 128, 62, 129, 109, 51,
- 108, 90, 39, 85, 71, 25, 58, 46, 3, 16, 8, 0, 226, 186, 64,
- 200, 165, 57, 177, 147, 50, 153, 127, 40, 130, 108, 31, 108, 90, 19,
- 85, 70, 3, 58, 46, 0, 16, 8, 0, 227, 185, 35, 200, 165, 30,
- 176, 146, 25, 152, 127, 18, 130, 108, 7, 108, 89, 0, 85, 70, 0,
- 57, 46, 0, 14, 8, 0, 216, 169, 205, 192, 150, 184, 171, 134, 164,
- 149, 116, 144, 128, 99, 124, 107, 81, 103, 85, 63, 81, 60, 39, 55,
- 26, 0, 15, 217, 168, 186, 193, 150, 165, 172, 134, 149, 150, 116, 130,
- 128, 99, 111, 107, 81, 92, 85, 62, 72, 59, 39, 47, 25, 0, 6,
- 219, 168, 168, 194, 149, 150, 173, 133, 135, 150, 116, 117, 128, 98, 99,
- 107, 80, 82, 86, 62, 63, 59, 38, 39, 24, 0, 0, 219, 166, 148,
- 195, 149, 133, 173, 133, 119, 150, 115, 103, 128, 98, 88, 107, 80, 72,
- 85, 61, 54, 59, 38, 32, 23, 0, 0, 220, 166, 129, 196, 148, 116,
- 174, 132, 103, 151, 114, 89, 129, 97, 75, 107, 79, 60, 85, 61, 44,
- 59, 38, 22, 21, 0, 0, 222, 164, 110, 197, 147, 99, 175, 131, 87,
- 151, 113, 75, 129, 96, 63, 107, 79, 49, 85, 61, 33, 58, 38, 12,
- 19, 0, 0, 222, 164, 88, 197, 146, 79, 174, 130, 69, 151, 113, 58,
- 129, 95, 47, 107, 78, 35, 85, 60, 20, 58, 38, 0, 18, 0, 0,
- 223, 164, 63, 198, 145, 55, 175, 129, 48, 151, 112, 39, 129, 95, 29,
- 107, 78, 16, 85, 60, 1, 58, 38, 0, 17, 0, 0, 223, 163, 36,
- 198, 145, 32, 174, 129, 26, 151, 111, 17, 129, 95, 7, 107, 78, 0,
- 84, 60, 0, 57, 37, 0, 15, 0, 0, 215, 147, 192, 191, 130, 172,
- 170, 116, 153, 148, 100, 133, 127, 85, 115, 107, 69, 96, 85, 51, 75,
- 60, 28, 50, 25, 0, 8, 217, 146, 173, 192, 130, 154, 171, 115, 138,
- 149, 100, 121, 128, 84, 103, 107, 68, 85, 85, 51, 66, 60, 28, 42,
- 25, 0, 0, 217, 145, 157, 193, 129, 140, 173, 115, 125, 149, 100, 109,
- 128, 84, 92, 107, 68, 76, 85, 51, 58, 59, 28, 35, 23, 0, 0,
- 218, 145, 140, 193, 129, 125, 172, 114, 110, 149, 99, 96, 128, 83, 81,
- 107, 67, 65, 84, 51, 49, 59, 29, 27, 22, 0, 0, 219, 144, 121,
- 194, 128, 108, 172, 113, 96, 149, 98, 83, 128, 83, 69, 107, 68, 55,
- 85, 50, 40, 59, 28, 18, 20, 0, 0, 220, 143, 104, 195, 128, 93,
- 173, 114, 82, 150, 98, 69, 127, 82, 58, 107, 67, 45, 85, 50, 30,
- 59, 28, 7, 19, 0, 0, 220, 143, 84, 195, 127, 74, 173, 113, 65,
- 149, 97, 55, 128, 82, 44, 106, 67, 32, 84, 50, 16, 58, 28, 0,
- 18, 0, 0, 221, 142, 62, 196, 126, 53, 173, 112, 46, 150, 97, 37,
- 128, 82, 26, 107, 66, 14, 84, 50, 0, 58, 28, 0, 16, 0, 0,
- 222, 142, 38, 196, 126, 34, 174, 112, 27, 150, 96, 17, 128, 82, 6,
- 106, 66, 0, 84, 50, 0, 57, 29, 0, 16, 0, 0, 214, 123, 179,
- 191, 110, 159, 169, 98, 143, 147, 84, 124, 126, 70, 106, 107, 55, 88,
- 85, 39, 69, 60, 15, 45, 23, 0, 2, 216, 123, 161, 192, 110, 144,
- 170, 98, 129, 148, 84, 112, 127, 70, 95, 107, 55, 79, 85, 39, 61,
- 60, 15, 37, 20, 0, 0, 217, 122, 145, 192, 110, 130, 170, 97, 116,
- 149, 84, 101, 127, 70, 85, 106, 55, 70, 85, 39, 53, 59, 16, 30,
- 19, 0, 0, 217, 123, 131, 192, 109, 116, 171, 96, 103, 149, 83, 89,
- 127, 70, 75, 106, 55, 60, 85, 40, 45, 59, 16, 23, 17, 0, 0,
- 217, 122, 114, 193, 109, 101, 172, 96, 91, 149, 82, 77, 128, 69, 64,
- 106, 55, 50, 84, 39, 35, 59, 17, 14, 17, 0, 0, 218, 122, 98,
- 194, 108, 87, 171, 96, 77, 149, 82, 65, 127, 69, 52, 106, 55, 40,
- 84, 40, 25, 59, 18, 3, 15, 0, 0, 219, 122, 80, 193, 108, 70,
- 172, 95, 61, 149, 82, 51, 127, 69, 40, 106, 55, 28, 84, 39, 12,
- 58, 17, 0, 13, 0, 0, 219, 121, 59, 194, 108, 52, 172, 96, 44,
- 149, 82, 35, 127, 68, 24, 106, 55, 11, 84, 40, 0, 57, 18, 0,
- 13, 0, 0, 219, 121, 40, 193, 108, 33, 172, 95, 26, 149, 81, 19,
- 128, 68, 6, 106, 54, 0, 84, 39, 0, 57, 18, 0, 13, 0, 0,
- 213, 99, 165, 189, 87, 148, 169, 76, 132, 147, 64, 115, 126, 52, 98,
- 106, 39, 81, 85, 23, 63, 60, 0, 39, 16, 0, 0, 214, 98, 149,
- 191, 87, 133, 170, 76, 119, 148, 65, 103, 127, 53, 88, 106, 39, 72,
- 85, 24, 55, 60, 0, 32, 15, 0, 0, 215, 99, 136, 191, 87, 121,
- 170, 77, 108, 148, 65, 93, 126, 53, 79, 106, 40, 64, 85, 24, 47,
- 59, 0, 25, 14, 0, 0, 215, 99, 121, 192, 87, 108, 170, 77, 96,
- 148, 65, 82, 126, 53, 69, 106, 40, 55, 85, 25, 39, 59, 0, 18,
- 13, 0, 0, 216, 99, 106, 191, 87, 95, 170, 76, 83, 148, 65, 71,
- 126, 53, 58, 106, 41, 45, 85, 26, 30, 59, 0, 8, 11, 0, 0,
- 216, 98, 91, 192, 88, 82, 170, 77, 71, 148, 65, 60, 127, 53, 48,
- 105, 41, 36, 83, 26, 21, 58, 1, 2, 11, 0, 0, 217, 99, 75,
- 192, 87, 66, 170, 76, 57, 148, 65, 47, 126, 53, 36, 105, 41, 24,
- 83, 26, 8, 57, 2, 0, 9, 0, 0, 217, 98, 57, 192, 87, 49,
- 171, 77, 41, 147, 65, 32, 126, 53, 21, 105, 41, 8, 84, 27, 0,
- 57, 3, 0, 9, 0, 0, 217, 98, 40, 193, 87, 34, 171, 76, 27,
- 148, 65, 19, 126, 53, 6, 105, 41, 0, 83, 27, 0, 57, 4, 0,
- 9, 0, 0, 211, 67, 152, 189, 58, 136, 168, 50, 122, 147, 39, 105,
- 127, 28, 89, 106, 14, 74, 85, 0, 56, 59, 0, 33, 9, 0, 0,
- 213, 68, 138, 190, 59, 123, 169, 51, 109, 148, 40, 95, 126, 30, 80,
- 106, 16, 65, 85, 0, 48, 59, 0, 27, 9, 0, 0, 214, 69, 125,
- 190, 59, 111, 168, 51, 99, 148, 41, 86, 126, 31, 72, 106, 18, 58,
- 85, 0, 41, 59, 0, 20, 7, 0, 0, 215, 70, 112, 190, 61, 100,
- 169, 52, 88, 147, 42, 76, 126, 32, 63, 106, 19, 49, 84, 1, 34,
- 58, 0, 13, 7, 0, 0, 214, 70, 99, 190, 62, 88, 169, 53, 77,
- 147, 43, 65, 125, 32, 53, 106, 20, 40, 84, 3, 26, 58, 0, 4,
- 7, 0, 0, 214, 71, 86, 190, 61, 75, 169, 53, 65, 146, 43, 54,
- 126, 33, 44, 105, 21, 31, 83, 4, 17, 57, 0, 0, 7, 0, 0,
- 215, 71, 71, 191, 62, 62, 169, 53, 53, 147, 44, 44, 126, 34, 33,
- 105, 22, 20, 83, 5, 4, 57, 0, 0, 7, 0, 0, 215, 71, 54,
- 191, 62, 47, 169, 54, 39, 147, 44, 30, 126, 35, 20, 105, 23, 6,
- 83, 6, 0, 56, 0, 0, 5, 0, 0, 215, 71, 41, 191, 63, 34,
- 170, 54, 27, 147, 45, 17, 126, 35, 6, 105, 23, 0, 83, 8, 0,
- 56, 0, 0, 5, 0, 0, 210, 13, 140, 189, 1, 125, 167, 0, 110,
- 146, 0, 96, 126, 0, 81, 106, 0, 67, 85, 0, 51, 59, 0, 28,
- 4, 0, 0, 212, 18, 126, 190, 7, 113, 168, 0, 100, 146, 0, 86,
- 126, 0, 73, 106, 0, 59, 84, 0, 43, 59, 0, 22, 4, 0, 0,
- 212, 21, 115, 190, 13, 103, 168, 3, 91, 146, 0, 78, 125, 0, 65,
- 105, 0, 52, 84, 0, 36, 58, 0, 16, 4, 0, 0, 213, 24, 103,
- 189, 19, 91, 168, 9, 82, 146, 0, 69, 125, 0, 57, 105, 0, 44,
- 84, 0, 29, 58, 0, 7, 4, 0, 0, 213, 27, 92, 188, 21, 81,
- 168, 14, 71, 146, 1, 59, 125, 0, 48, 105, 0, 36, 84, 0, 21,
- 58, 0, 4, 4, 0, 0, 213, 30, 80, 189, 22, 69, 168, 17, 61,
- 146, 5, 50, 125, 0, 39, 104, 0, 27, 83, 0, 12, 57, 0, 0,
- 4, 0, 0, 214, 30, 67, 189, 25, 57, 168, 20, 50, 146, 9, 40,
- 125, 0, 29, 104, 0, 17, 83, 0, 2, 56, 0, 0, 4, 0, 0,
- 214, 32, 53, 189, 27, 44, 169, 20, 38, 146, 13, 28, 124, 2, 17,
- 104, 0, 4, 83, 0, 0, 56, 0, 0, 4, 0, 0, 214, 33, 41,
- 190, 27, 33, 168, 23, 27, 146, 13, 18, 125, 3, 5, 105, 0, 0,
- 83, 0, 0, 56, 0, 0, 4, 0, 0, 185, 229, 250, 164, 204, 223,
- 146, 182, 199, 127, 158, 174, 108, 136, 149, 89, 113, 125, 70, 90, 100,
- 46, 62, 71, 10, 25, 33, 189, 227, 225, 168, 202, 201, 148, 181, 179,
- 129, 157, 156, 109, 135, 134, 90, 113, 113, 70, 89, 90, 46, 62, 62,
- 8, 24, 25, 192, 226, 202, 170, 202, 182, 151, 179, 162, 130, 156, 141,
- 110, 133, 121, 91, 112, 101, 71, 89, 80, 46, 61, 54, 7, 24, 19,
- 194, 224, 179, 173, 200, 160, 153, 178, 144, 132, 155, 125, 112, 133, 107,
- 92, 111, 89, 71, 88, 69, 46, 61, 45, 6, 23, 10, 196, 223, 155,
- 174, 198, 139, 154, 176, 124, 132, 153, 107, 113, 131, 91, 92, 110, 75,
- 72, 87, 58, 47, 60, 37, 4, 23, 0, 198, 221, 131, 175, 197, 117,
- 155, 175, 105, 133, 152, 91, 113, 130, 76, 92, 109, 63, 72, 86, 47,
- 46, 60, 26, 3, 23, 0, 200, 220, 104, 176, 196, 94, 156, 175, 84,
- 134, 151, 72, 113, 129, 59, 93, 108, 47, 72, 85, 33, 46, 59, 13,
- 0, 23, 0, 201, 219, 73, 179, 195, 65, 157, 173, 57, 135, 150, 48,
- 114, 129, 39, 94, 108, 28, 72, 85, 15, 47, 59, 0, 0, 22, 0,
- 203, 219, 42, 178, 195, 37, 157, 173, 32, 135, 150, 26, 114, 128, 16,
- 94, 107, 6, 73, 85, 0, 46, 58, 0, 0, 22, 0, 186, 205, 233,
- 165, 183, 209, 148, 163, 187, 128, 142, 163, 109, 121, 140, 91, 101, 118,
- 71, 80, 94, 48, 54, 66, 12, 15, 27, 189, 204, 211, 169, 182, 189,
- 151, 163, 169, 131, 141, 147, 111, 121, 126, 92, 101, 105, 72, 79, 84,
- 48, 54, 58, 11, 15, 19, 192, 202, 190, 171, 181, 170, 152, 161, 152,
- 131, 141, 133, 112, 120, 113, 93, 100, 94, 72, 79, 74, 48, 53, 50,
- 10, 15, 11, 195, 201, 169, 172, 179, 151, 153, 160, 135, 132, 139, 117,
- 113, 119, 100, 93, 99, 82, 72, 78, 64, 48, 53, 41, 9, 14, 3,
- 195, 200, 146, 174, 179, 131, 154, 159, 117, 133, 138, 101, 113, 118, 86,
- 93, 98, 70, 73, 77, 53, 48, 52, 32, 8, 15, 0, 198, 199, 125,
- 175, 177, 111, 155, 158, 100, 133, 137, 85, 113, 117, 71, 93, 97, 57,
- 72, 77, 42, 47, 52, 22, 5, 14, 0, 199, 198, 101, 176, 177, 89,
- 155, 157, 79, 134, 136, 68, 113, 116, 56, 94, 97, 44, 73, 76, 30,
- 47, 52, 10, 2, 15, 0, 200, 197, 72, 178, 176, 63, 157, 156, 56,
- 135, 136, 46, 114, 116, 37, 94, 96, 26, 73, 76, 11, 47, 51, 0,
- 0, 14, 0, 201, 197, 45, 177, 175, 38, 156, 155, 31, 135, 135, 25,
- 114, 115, 17, 94, 96, 5, 73, 75, 0, 46, 51, 0, 0, 14, 0,
- 187, 183, 218, 167, 165, 197, 149, 147, 176, 129, 127, 153, 111, 109, 132,
- 92, 90, 111, 73, 70, 89, 49, 46, 62, 15, 4, 22, 190, 183, 197,
- 170, 164, 177, 151, 146, 159, 130, 127, 139, 112, 109, 119, 93, 90, 99,
- 72, 70, 78, 49, 45, 53, 14, 4, 15, 192, 182, 179, 171, 163, 161,
- 153, 145, 144, 132, 126, 125, 113, 108, 107, 93, 89, 88, 73, 70, 69,
- 49, 45, 45, 13, 5, 6, 195, 181, 159, 172, 162, 142, 152, 145, 127,
- 132, 125, 111, 113, 107, 94, 93, 88, 77, 73, 69, 59, 48, 45, 37,
- 11, 5, 0, 195, 180, 139, 173, 161, 124, 153, 143, 110, 133, 125, 96,
- 113, 106, 81, 94, 88, 66, 73, 68, 49, 49, 44, 28, 9, 6, 0,
- 196, 179, 118, 174, 160, 106, 154, 142, 94, 133, 124, 81, 113, 105, 68,
- 94, 87, 54, 73, 68, 39, 48, 44, 18, 5, 5, 0, 197, 178, 96,
- 176, 159, 86, 155, 141, 75, 134, 123, 64, 114, 105, 53, 94, 87, 40,
- 73, 68, 26, 48, 44, 5, 2, 6, 0, 199, 178, 70, 176, 158, 62,
- 156, 141, 54, 134, 122, 44, 114, 104, 35, 94, 86, 23, 73, 67, 8,
- 47, 44, 0, 2, 6, 0, 199, 177, 45, 178, 158, 40, 156, 140, 32,
- 135, 122, 26, 114, 104, 16, 94, 86, 4, 73, 67, 0, 47, 44, 0,
- 0, 7, 0, 188, 161, 204, 168, 144, 183, 149, 129, 164, 130, 112, 144,
- 112, 95, 123, 93, 78, 103, 74, 60, 81, 50, 36, 56, 16, 0, 16,
- 190, 160, 185, 170, 144, 165, 151, 128, 148, 132, 111, 130, 112, 95, 110,
- 93, 78, 92, 74, 59, 72, 50, 36, 48, 16, 0, 8, 192, 160, 167,
- 171, 143, 150, 153, 128, 134, 132, 111, 117, 112, 94, 100, 94, 77, 82,
- 74, 59, 63, 50, 36, 40, 14, 0, 0, 193, 159, 149, 172, 143, 134,
- 153, 127, 119, 133, 110, 103, 113, 94, 87, 93, 77, 72, 73, 59, 54,
- 50, 36, 32, 12, 0, 0, 195, 159, 131, 173, 142, 117, 153, 127, 104,
- 132, 110, 90, 113, 93, 76, 93, 76, 61, 74, 59, 45, 49, 36, 23,
- 9, 0, 0, 196, 158, 113, 174, 141, 101, 155, 126, 89, 133, 109, 76,
- 113, 93, 64, 94, 76, 51, 74, 58, 35, 49, 36, 14, 6, 0, 0,
- 197, 157, 92, 174, 141, 80, 154, 125, 71, 134, 108, 60, 114, 92, 50,
- 94, 75, 37, 73, 58, 22, 48, 36, 1, 5, 0, 0, 197, 157, 68,
- 175, 140, 59, 155, 124, 51, 134, 108, 41, 113, 91, 32, 94, 75, 21,
- 73, 57, 5, 48, 35, 0, 5, 0, 0, 198, 156, 46, 176, 140, 40,
- 155, 124, 32, 134, 107, 24, 114, 91, 14, 94, 75, 2, 73, 57, 0,
- 48, 36, 0, 3, 0, 0, 189, 140, 191, 168, 126, 172, 150, 112, 154,
- 131, 97, 134, 112, 82, 115, 94, 66, 96, 74, 49, 75, 51, 25, 50,
- 12, 0, 10, 191, 139, 173, 170, 125, 154, 152, 111, 138, 132, 96, 121,
- 113, 81, 103, 94, 66, 85, 74, 48, 66, 50, 26, 42, 12, 0, 1,
- 192, 139, 157, 171, 125, 140, 152, 111, 125, 132, 96, 109, 113, 81, 92,
- 94, 65, 76, 74, 48, 58, 50, 26, 35, 9, 0, 0, 193, 139, 140,
- 172, 124, 125, 153, 110, 112, 133, 95, 96, 113, 80, 82, 94, 65, 66,
- 74, 49, 50, 50, 26, 28, 7, 0, 0, 194, 138, 123, 172, 123, 109,
- 153, 110, 97, 133, 95, 84, 113, 80, 70, 94, 65, 56, 74, 48, 40,
- 50, 26, 20, 6, 0, 0, 194, 138, 105, 173, 123, 94, 153, 109, 83,
- 133, 94, 70, 112, 79, 59, 94, 64, 46, 74, 48, 31, 50, 26, 9,
- 4, 0, 0, 196, 138, 87, 174, 122, 77, 153, 109, 67, 133, 93, 56,
- 113, 79, 46, 94, 64, 34, 73, 48, 18, 49, 27, 0, 4, 0, 0,
- 196, 137, 65, 174, 122, 57, 154, 108, 49, 133, 93, 39, 113, 79, 29,
- 94, 64, 18, 74, 48, 3, 49, 27, 0, 2, 0, 0, 197, 137, 47,
- 175, 122, 40, 155, 108, 32, 133, 93, 23, 114, 79, 14, 94, 64, 1,
- 73, 48, 0, 48, 27, 0, 2, 0, 0, 189, 119, 177, 168, 106, 159,
- 150, 94, 142, 131, 81, 124, 113, 67, 107, 94, 53, 89, 74, 37, 69,
- 51, 11, 45, 6, 0, 3, 191, 119, 161, 170, 106, 144, 152, 94, 129,
- 132, 81, 112, 113, 67, 96, 94, 53, 79, 74, 37, 61, 51, 13, 38,
- 6, 0, 0, 192, 119, 146, 170, 106, 131, 152, 94, 117, 132, 80, 101,
- 112, 67, 85, 94, 53, 70, 74, 37, 53, 50, 14, 31, 4, 0, 0,
- 192, 119, 131, 171, 106, 117, 153, 94, 105, 132, 80, 89, 113, 67, 75,
- 94, 54, 61, 74, 38, 45, 51, 14, 23, 3, 0, 0, 193, 118, 114,
- 171, 106, 102, 153, 93, 90, 132, 80, 78, 113, 67, 65, 94, 53, 52,
- 74, 37, 36, 50, 15, 16, 1, 0, 0, 194, 118, 99, 172, 105, 89,
- 153, 93, 78, 132, 80, 66, 113, 67, 54, 94, 53, 42, 74, 38, 27,
- 50, 16, 5, 1, 0, 0, 194, 118, 82, 173, 105, 72, 153, 93, 63,
- 132, 79, 53, 113, 67, 42, 94, 53, 30, 74, 38, 15, 49, 16, 0,
- 0, 0, 0, 195, 117, 63, 173, 105, 55, 154, 93, 47, 133, 79, 37,
- 113, 66, 27, 94, 53, 15, 73, 38, 0, 48, 16, 0, 0, 0, 0,
- 195, 117, 46, 173, 104, 39, 154, 92, 32, 133, 79, 22, 113, 66, 13,
- 94, 53, 0, 73, 38, 0, 48, 17, 0, 0, 0, 0, 189, 96, 166,
- 168, 85, 147, 150, 74, 132, 131, 62, 115, 113, 51, 99, 94, 38, 82,
- 74, 21, 63, 51, 0, 40, 1, 0, 0, 190, 96, 150, 170, 85, 133,
- 152, 75, 119, 132, 63, 104, 113, 51, 88, 94, 38, 72, 75, 22, 55,
- 51, 0, 33, 1, 0, 0, 192, 96, 137, 170, 85, 121, 152, 74, 108,
- 132, 64, 94, 113, 52, 79, 94, 39, 64, 74, 23, 48, 50, 0, 26,
- 0, 0, 0, 192, 96, 122, 171, 86, 109, 152, 75, 96, 132, 63, 83,
- 113, 52, 69, 94, 39, 56, 74, 24, 41, 50, 0, 19, 0, 0, 0,
- 193, 96, 107, 171, 85, 96, 152, 75, 84, 132, 64, 72, 113, 52, 60,
- 94, 39, 47, 74, 24, 32, 50, 1, 10, 0, 0, 0, 193, 96, 93,
- 172, 85, 82, 152, 75, 72, 133, 63, 61, 113, 51, 49, 94, 39, 37,
- 73, 25, 23, 49, 2, 2, 0, 0, 0, 194, 96, 78, 172, 85, 68,
- 152, 75, 59, 132, 63, 49, 113, 52, 39, 94, 40, 26, 73, 25, 11,
- 48, 3, 0, 0, 0, 0, 194, 96, 60, 173, 85, 52, 153, 75, 44,
- 132, 64, 35, 112, 52, 25, 94, 40, 12, 73, 26, 0, 48, 4, 0,
- 0, 0, 0, 195, 96, 46, 173, 85, 38, 154, 74, 31, 133, 63, 22,
- 113, 52, 11, 93, 40, 0, 73, 26, 0, 47, 5, 0, 0, 0, 0,
- 188, 67, 153, 168, 58, 137, 151, 49, 122, 131, 39, 106, 113, 28, 90,
- 94, 13, 75, 75, 0, 57, 51, 0, 35, 0, 0, 0, 190, 68, 138,
- 170, 59, 123, 152, 50, 110, 132, 41, 96, 113, 29, 80, 94, 16, 66,
- 75, 0, 49, 50, 0, 27, 0, 0, 0, 191, 69, 126, 170, 59, 112,
- 151, 52, 100, 132, 42, 86, 113, 30, 73, 95, 17, 58, 75, 0, 42,
- 50, 0, 21, 0, 0, 0, 192, 70, 113, 170, 61, 100, 151, 52, 89,
- 132, 42, 77, 113, 31, 64, 94, 19, 50, 74, 1, 35, 50, 0, 14,
- 0, 0, 0, 192, 70, 100, 170, 62, 89, 151, 53, 77, 131, 43, 66,
- 112, 32, 54, 94, 20, 42, 74, 2, 27, 49, 0, 5, 0, 0, 0,
- 192, 71, 87, 171, 61, 77, 152, 53, 67, 131, 44, 57, 112, 33, 45,
- 94, 21, 33, 74, 4, 19, 49, 0, 1, 0, 0, 0, 193, 71, 74,
- 171, 62, 64, 152, 53, 55, 132, 44, 45, 113, 34, 34, 94, 22, 23,
- 73, 5, 7, 48, 0, 0, 0, 0, 0, 193, 70, 58, 172, 62, 50,
- 152, 54, 42, 132, 44, 32, 112, 35, 22, 93, 23, 10, 73, 6, 0,
- 47, 0, 0, 0, 0, 0, 193, 70, 45, 172, 62, 38, 153, 54, 31,
- 132, 44, 21, 112, 35, 9, 94, 23, 0, 73, 7, 0, 47, 0, 0,
- 0, 0, 0, 189, 26, 141, 169, 15, 126, 150, 2, 112, 131, 0, 97,
- 113, 0, 82, 94, 0, 67, 75, 0, 51, 50, 0, 29, 0, 0, 0,
- 190, 28, 128, 170, 18, 114, 151, 8, 101, 132, 0, 88, 113, 0, 74,
- 94, 0, 60, 75, 0, 44, 50, 0, 23, 0, 0, 0, 191, 30, 117,
- 170, 23, 104, 152, 11, 92, 132, 1, 79, 113, 0, 67, 95, 0, 53,
- 75, 0, 37, 50, 0, 17, 0, 0, 0, 191, 33, 105, 170, 26, 93,
- 151, 18, 83, 132, 6, 70, 112, 0, 58, 94, 0, 45, 75, 0, 30,
- 49, 0, 8, 0, 0, 0, 191, 34, 93, 170, 27, 82, 151, 20, 72,
- 131, 8, 61, 112, 0, 49, 94, 0, 38, 74, 0, 23, 49, 0, 4,
- 0, 0, 0, 191, 36, 82, 170, 29, 71, 151, 22, 63, 131, 11, 52,
- 112, 0, 41, 93, 0, 29, 74, 0, 14, 48, 0, 1, 0, 0, 0,
- 191, 38, 69, 170, 31, 60, 151, 24, 51, 131, 14, 41, 112, 1, 31,
- 93, 0, 19, 73, 0, 3, 48, 0, 0, 0, 0, 0, 192, 37, 56,
- 171, 31, 47, 152, 25, 40, 131, 17, 30, 112, 4, 19, 93, 0, 7,
- 73, 0, 0, 47, 0, 0, 0, 0, 0, 192, 38, 45, 171, 33, 36,
- 152, 26, 30, 131, 18, 21, 111, 7, 9, 93, 0, 0, 73, 0, 0,
- 47, 0, 0, 0, 0, 0, 149, 218, 248, 133, 194, 222, 119, 173, 198,
- 102, 151, 173, 86, 130, 148, 70, 108, 125, 53, 85, 100, 32, 59, 71,
- 0, 22, 33, 154, 216, 223, 137, 193, 200, 122, 172, 178, 106, 150, 156,
- 89, 128, 133, 73, 107, 112, 54, 85, 89, 31, 59, 63, 0, 22, 26,
- 159, 215, 202, 141, 192, 181, 126, 171, 161, 108, 149, 141, 90, 128, 121,
- 74, 107, 100, 55, 85, 80, 32, 58, 55, 0, 22, 19, 161, 213, 179,
- 144, 190, 160, 126, 170, 143, 109, 148, 125, 92, 127, 107, 74, 106, 89,
- 56, 84, 69, 32, 58, 46, 0, 21, 11, 163, 211, 156, 144, 189, 139,
- 129, 168, 125, 110, 147, 108, 93, 126, 92, 75, 105, 76, 57, 83, 58,
- 33, 58, 37, 0, 21, 1, 167, 211, 133, 147, 188, 120, 130, 167, 105,
- 110, 145, 92, 93, 125, 78, 76, 104, 64, 58, 83, 48, 33, 57, 27,
- 0, 21, 0, 169, 210, 108, 149, 187, 96, 131, 166, 86, 112, 144, 74,
- 94, 124, 62, 77, 103, 49, 58, 82, 35, 33, 57, 15, 0, 21, 0,
- 170, 209, 80, 151, 186, 71, 133, 165, 62, 114, 143, 52, 95, 123, 42,
- 77, 103, 32, 58, 81, 18, 33, 56, 0, 0, 21, 0, 173, 208, 55,
- 152, 186, 49, 134, 165, 41, 114, 143, 34, 95, 122, 25, 77, 102, 14,
- 58, 81, 0, 33, 56, 0, 0, 21, 0, 154, 195, 232, 137, 174, 207,
- 122, 156, 185, 105, 136, 163, 89, 116, 140, 73, 97, 117, 56, 76, 94,
- 35, 51, 66, 0, 13, 28, 158, 194, 209, 141, 174, 187, 125, 155, 167,
- 109, 135, 146, 91, 116, 125, 75, 96, 105, 57, 75, 83, 35, 50, 57,
- 0, 12, 21, 161, 193, 189, 144, 173, 169, 128, 154, 151, 110, 134, 132,
- 93, 115, 113, 77, 95, 94, 58, 75, 74, 35, 50, 50, 0, 12, 13,
- 164, 192, 168, 145, 171, 151, 129, 153, 134, 111, 133, 117, 94, 114, 100,
- 76, 95, 82, 58, 75, 64, 36, 50, 42, 0, 12, 5, 165, 191, 147,
- 147, 170, 131, 130, 152, 117, 113, 132, 102, 95, 113, 86, 77, 94, 71,
- 58, 74, 54, 35, 50, 33, 0, 13, 0, 167, 189, 126, 148, 169, 113,
- 132, 151, 100, 113, 131, 86, 96, 112, 73, 77, 93, 59, 59, 73, 43,
- 35, 49, 23, 0, 12, 0, 170, 189, 104, 150, 168, 91, 133, 150, 81,
- 114, 130, 69, 96, 111, 57, 78, 92, 46, 59, 73, 31, 35, 49, 11,
- 0, 13, 0, 171, 188, 78, 152, 168, 68, 134, 149, 60, 115, 130, 50,
- 96, 111, 41, 78, 92, 29, 60, 73, 15, 35, 49, 0, 0, 12, 0,
- 173, 187, 55, 153, 167, 47, 134, 149, 39, 115, 129, 33, 97, 110, 24,
- 79, 92, 13, 60, 72, 0, 35, 48, 0, 0, 12, 0, 157, 175, 217,
- 139, 157, 196, 125, 141, 175, 109, 122, 153, 92, 104, 132, 76, 86, 110,
- 59, 67, 88, 37, 43, 61, 1, 1, 23, 161, 174, 196, 144, 156, 176,
- 127, 140, 158, 110, 121, 137, 94, 104, 118, 77, 85, 98, 59, 67, 78,
- 37, 43, 53, 0, 2, 16, 163, 174, 178, 146, 156, 160, 130, 139, 143,
- 112, 121, 124, 95, 103, 106, 78, 85, 88, 60, 66, 69, 37, 42, 46,
- 0, 2, 7, 166, 173, 159, 147, 154, 142, 130, 138, 127, 113, 120, 111,
- 96, 103, 95, 78, 84, 77, 60, 66, 59, 37, 43, 37, 0, 2, 0,
- 166, 172, 139, 148, 154, 125, 131, 137, 112, 113, 120, 96, 96, 102, 81,
- 78, 84, 66, 60, 65, 50, 37, 42, 29, 0, 3, 0, 167, 171, 120,
- 149, 153, 107, 133, 137, 95, 114, 118, 81, 97, 101, 69, 79, 84, 56,
- 60, 65, 40, 37, 42, 19, 0, 3, 0, 170, 170, 99, 151, 152, 87,
- 134, 136, 77, 115, 118, 66, 97, 101, 55, 79, 83, 42, 61, 65, 28,
- 37, 42, 7, 0, 3, 0, 172, 170, 75, 152, 151, 65, 134, 135, 57,
- 115, 117, 48, 97, 100, 38, 79, 83, 27, 61, 64, 12, 36, 42, 0,
- 0, 3, 0, 172, 169, 55, 154, 151, 46, 135, 134, 40, 116, 116, 32,
- 97, 99, 21, 80, 82, 10, 61, 64, 0, 36, 41, 0, 0, 3, 0,
- 160, 154, 203, 143, 139, 182, 127, 124, 164, 111, 107, 143, 95, 91, 122,
- 78, 75, 103, 60, 57, 81, 39, 33, 56, 1, 0, 18, 163, 154, 184,
- 146, 138, 165, 130, 123, 148, 113, 107, 129, 96, 90, 110, 79, 74, 92,
- 61, 56, 72, 39, 34, 48, 2, 0, 9, 165, 154, 167, 147, 137, 149,
- 131, 122, 134, 114, 106, 117, 96, 90, 100, 79, 74, 82, 61, 56, 64,
- 39, 33, 40, 2, 0, 1, 166, 153, 150, 149, 137, 133, 132, 122, 119,
- 114, 106, 104, 97, 90, 88, 79, 74, 72, 61, 56, 55, 39, 34, 33,
- 0, 0, 0, 168, 152, 132, 149, 136, 117, 132, 121, 104, 114, 105, 90,
- 97, 89, 76, 79, 73, 62, 61, 56, 46, 38, 34, 25, 0, 0, 0,
- 169, 151, 114, 150, 135, 101, 133, 121, 90, 114, 104, 77, 97, 89, 65,
- 80, 73, 51, 61, 56, 36, 38, 34, 16, 0, 0, 0, 170, 150, 94,
- 151, 135, 83, 134, 120, 73, 115, 104, 62, 98, 88, 51, 80, 72, 39,
- 61, 56, 24, 38, 34, 3, 0, 0, 0, 172, 150, 72, 153, 134, 63,
- 135, 119, 55, 115, 103, 45, 98, 88, 36, 80, 72, 24, 61, 55, 9,
- 38, 34, 0, 0, 0, 0, 172, 150, 54, 153, 134, 47, 135, 119, 38,
- 116, 103, 30, 98, 87, 21, 80, 72, 8, 62, 55, 0, 37, 34, 0,
- 0, 0, 0, 162, 134, 190, 145, 120, 171, 129, 108, 153, 113, 93, 134,
- 97, 78, 115, 80, 63, 96, 62, 46, 75, 41, 23, 51, 0, 0, 11,
- 165, 134, 173, 147, 120, 154, 131, 107, 138, 114, 92, 120, 97, 78, 103,
- 80, 63, 85, 62, 46, 66, 40, 23, 43, 0, 0, 2, 166, 134, 157,
- 148, 120, 140, 132, 106, 125, 114, 92, 109, 97, 77, 93, 81, 63, 77,
- 62, 46, 58, 40, 24, 36, 0, 0, 0, 168, 133, 140, 149, 119, 125,
- 132, 106, 112, 115, 92, 97, 98, 77, 82, 81, 62, 67, 62, 46, 50,
- 40, 24, 29, 0, 0, 0, 168, 133, 123, 150, 119, 110, 133, 106, 97,
- 115, 91, 84, 98, 77, 70, 81, 62, 57, 62, 46, 41, 40, 24, 20,
- 0, 0, 0, 169, 132, 107, 150, 118, 94, 133, 105, 84, 115, 91, 72,
- 98, 76, 60, 80, 62, 47, 62, 46, 32, 39, 25, 11, 0, 0, 0,
- 171, 132, 89, 152, 118, 79, 135, 105, 69, 115, 90, 58, 98, 76, 47,
- 80, 62, 36, 62, 46, 21, 39, 25, 0, 0, 0, 0, 171, 132, 69,
- 153, 117, 60, 135, 104, 52, 116, 90, 42, 98, 76, 33, 81, 61, 21,
- 62, 46, 6, 38, 25, 0, 0, 0, 0, 172, 132, 54, 153, 118, 45,
- 135, 104, 38, 116, 90, 28, 98, 76, 18, 81, 61, 6, 62, 46, 0,
- 38, 25, 0, 0, 0, 0, 164, 115, 177, 146, 103, 159, 130, 91, 143,
- 114, 78, 125, 97, 65, 107, 81, 51, 89, 63, 34, 69, 41, 9, 46,
- 0, 0, 4, 166, 115, 161, 148, 103, 144, 132, 91, 129, 115, 78, 112,
- 98, 65, 96, 81, 51, 79, 63, 35, 61, 41, 11, 38, 0, 0, 0,
- 167, 115, 146, 150, 102, 131, 132, 91, 117, 115, 78, 101, 98, 65, 86,
- 81, 51, 71, 63, 35, 54, 41, 12, 32, 0, 0, 0, 168, 114, 132,
- 150, 103, 118, 133, 91, 105, 116, 78, 91, 98, 64, 76, 82, 51, 61,
- 63, 36, 46, 41, 13, 24, 0, 0, 0, 169, 114, 116, 150, 102, 103,
- 134, 90, 91, 116, 78, 79, 98, 65, 66, 81, 51, 53, 63, 36, 37,
- 40, 14, 17, 0, 0, 0, 169, 114, 101, 151, 101, 89, 134, 90, 79,
- 116, 77, 67, 98, 64, 56, 81, 51, 44, 63, 36, 29, 40, 15, 7,
- 0, 0, 0, 170, 114, 85, 152, 101, 75, 135, 90, 65, 116, 77, 54,
- 98, 64, 44, 81, 51, 32, 63, 36, 17, 39, 15, 0, 0, 0, 0,
- 172, 113, 66, 152, 101, 58, 135, 89, 49, 116, 77, 40, 99, 64, 30,
- 81, 51, 18, 62, 36, 3, 38, 16, 0, 0, 0, 0, 171, 113, 51,
- 153, 101, 44, 136, 89, 36, 116, 77, 28, 99, 64, 18, 81, 51, 5,
- 62, 36, 0, 38, 16, 0, 0, 0, 0, 165, 94, 166, 147, 82, 147,
- 132, 72, 132, 115, 61, 115, 98, 49, 99, 82, 36, 82, 64, 19, 64,
- 42, 0, 41, 0, 0, 0, 167, 93, 150, 150, 83, 134, 133, 73, 120,
- 116, 62, 104, 99, 49, 88, 82, 36, 72, 64, 20, 55, 41, 0, 33,
- 0, 0, 0, 169, 93, 137, 150, 83, 122, 134, 73, 109, 116, 61, 94,
- 99, 50, 80, 82, 37, 65, 64, 21, 49, 41, 0, 27, 0, 0, 0,
- 169, 94, 123, 150, 83, 110, 133, 73, 97, 116, 61, 83, 99, 50, 70,
- 82, 38, 57, 63, 23, 42, 41, 0, 20, 0, 0, 0, 169, 94, 109,
- 150, 84, 97, 134, 73, 85, 116, 62, 73, 99, 51, 61, 81, 38, 48,
- 63, 23, 33, 41, 1, 11, 0, 0, 0, 170, 94, 96, 150, 83, 84,
- 134, 73, 74, 116, 61, 62, 99, 50, 51, 82, 38, 39, 64, 23, 24,
- 40, 3, 4, 0, 0, 0, 171, 93, 79, 152, 82, 70, 135, 73, 61,
- 116, 62, 51, 98, 51, 40, 81, 38, 28, 63, 24, 14, 39, 4, 0,
- 0, 0, 0, 171, 94, 64, 152, 83, 55, 135, 73, 47, 116, 62, 37,
- 98, 50, 27, 81, 38, 15, 63, 24, 1, 39, 4, 0, 0, 0, 0,
- 172, 93, 51, 153, 82, 42, 135, 73, 35, 117, 62, 26, 99, 51, 16,
- 81, 39, 3, 63, 25, 0, 38, 5, 0, 0, 0, 0, 166, 68, 153,
- 148, 59, 137, 133, 49, 121, 115, 39, 106, 99, 28, 91, 82, 13, 75,
- 65, 0, 58, 42, 0, 36, 0, 0, 0, 168, 68, 139, 150, 59, 124,
- 134, 50, 110, 116, 40, 96, 99, 30, 81, 82, 16, 66, 64, 0, 50,
- 41, 0, 29, 0, 0, 0, 169, 69, 126, 150, 59, 113, 134, 51, 101,
- 117, 42, 87, 100, 30, 73, 82, 17, 59, 65, 0, 43, 41, 0, 23,
- 0, 0, 0, 169, 70, 115, 150, 61, 102, 134, 52, 89, 116, 42, 77,
- 99, 32, 65, 82, 19, 52, 64, 0, 36, 41, 0, 15, 0, 0, 0,
- 169, 70, 101, 150, 61, 90, 134, 52, 79, 116, 43, 68, 99, 32, 55,
- 82, 21, 43, 64, 2, 28, 41, 0, 6, 0, 0, 0, 170, 70, 89,
- 151, 62, 79, 134, 53, 69, 116, 44, 58, 99, 33, 46, 81, 21, 34,
- 64, 3, 20, 41, 0, 2, 0, 0, 0, 170, 71, 76, 152, 62, 66,
- 134, 53, 57, 116, 43, 46, 99, 33, 36, 82, 22, 24, 64, 5, 10,
- 40, 0, 0, 0, 0, 0, 171, 70, 61, 152, 62, 52, 135, 53, 44,
- 116, 44, 35, 99, 34, 24, 82, 22, 12, 63, 6, 0, 39, 0, 0,
- 0, 0, 0, 171, 71, 49, 153, 62, 41, 135, 54, 33, 117, 45, 25,
- 98, 34, 13, 81, 23, 0, 63, 7, 0, 39, 0, 0, 0, 0, 0,
- 167, 33, 142, 149, 24, 127, 134, 10, 113, 116, 0, 97, 100, 0, 83,
- 83, 0, 68, 65, 0, 52, 40, 0, 30, 0, 0, 0, 169, 33, 129,
- 150, 26, 115, 134, 17, 102, 116, 3, 89, 100, 0, 75, 83, 0, 60,
- 65, 0, 45, 40, 0, 24, 0, 0, 0, 169, 36, 118, 151, 27, 104,
- 134, 19, 93, 116, 7, 80, 100, 0, 67, 83, 0, 54, 65, 0, 38,
- 41, 0, 17, 0, 0, 0, 169, 39, 107, 150, 30, 94, 134, 22, 84,
- 116, 11, 71, 99, 0, 59, 83, 0, 46, 64, 0, 31, 40, 0, 9,
- 0, 0, 0, 169, 39, 95, 151, 31, 83, 134, 24, 73, 116, 15, 62,
- 100, 1, 51, 83, 0, 38, 64, 0, 24, 40, 0, 5, 0, 0, 0,
- 169, 41, 83, 151, 33, 73, 134, 26, 64, 117, 17, 54, 99, 4, 42,
- 82, 0, 30, 64, 0, 16, 40, 0, 1, 0, 0, 0, 170, 42, 71,
- 152, 34, 62, 134, 28, 53, 117, 19, 44, 99, 6, 33, 82, 0, 21,
- 63, 0, 4, 39, 0, 0, 0, 0, 0, 171, 42, 59, 152, 35, 50,
- 134, 29, 42, 117, 21, 32, 99, 9, 22, 82, 0, 9, 63, 0, 0,
- 38, 0, 0, 0, 0, 0, 172, 42, 48, 152, 36, 40, 135, 29, 32,
- 117, 21, 23, 99, 10, 12, 82, 0, 0, 63, 0, 0, 38, 0, 0,
- 0, 0, 0, 107, 207, 246, 96, 185, 220, 86, 165, 196, 73, 144, 171,
- 60, 123, 147, 46, 103, 125, 32, 82, 100, 9, 56, 71, 0, 20, 33,
- 115, 206, 221, 104, 184, 198, 92, 164, 178, 78, 143, 154, 64, 123, 133,
- 51, 102, 111, 34, 81, 89, 10, 56, 63, 0, 20, 27, 122, 204, 200,
- 108, 183, 180, 95, 163, 161, 82, 142, 140, 68, 122, 120, 54, 102, 101,
- 36, 81, 79, 11, 56, 55, 0, 20, 20, 125, 203, 179, 111, 181, 160,
- 97, 162, 143, 85, 141, 124, 70, 121, 107, 55, 101, 89, 38, 80, 69,
- 14, 55, 46, 0, 19, 10, 128, 202, 156, 113, 180, 140, 102, 161, 125,
- 87, 140, 108, 71, 120, 92, 56, 100, 76, 39, 79, 59, 14, 55, 38,
- 0, 20, 3, 132, 200, 135, 117, 179, 121, 103, 159, 106, 88, 139, 93,
- 73, 119, 79, 57, 100, 65, 41, 79, 49, 15, 54, 28, 0, 19, 0,
- 134, 200, 111, 119, 178, 98, 105, 158, 87, 89, 138, 76, 74, 118, 64,
- 58, 99, 51, 41, 78, 37, 16, 54, 17, 0, 19, 0, 137, 199, 85,
- 122, 177, 75, 108, 158, 66, 91, 137, 56, 75, 118, 46, 59, 98, 35,
- 42, 78, 22, 16, 54, 3, 0, 19, 0, 140, 198, 62, 125, 177, 55,
- 109, 158, 47, 92, 137, 40, 76, 117, 32, 59, 98, 21, 42, 78, 6,
- 16, 54, 0, 0, 18, 0, 118, 186, 231, 106, 167, 206, 93, 149, 184,
- 81, 130, 161, 67, 111, 139, 54, 92, 117, 39, 72, 93, 17, 48, 66,
- 0, 10, 29, 123, 185, 207, 110, 166, 186, 98, 148, 167, 85, 129, 145,
- 71, 111, 125, 56, 92, 104, 40, 72, 83, 18, 48, 57, 0, 10, 22,
- 128, 184, 188, 113, 165, 168, 102, 147, 151, 88, 128, 131, 73, 110, 113,
- 58, 91, 94, 42, 71, 74, 19, 48, 50, 0, 9, 15, 131, 183, 168,
- 116, 164, 151, 104, 146, 134, 89, 127, 117, 73, 109, 100, 58, 90, 83,
- 42, 71, 65, 20, 48, 42, 0, 9, 5, 134, 182, 148, 120, 163, 131,
- 105, 145, 118, 90, 126, 102, 75, 108, 86, 59, 90, 72, 43, 71, 55,
- 19, 47, 34, 0, 9, 0, 136, 181, 128, 122, 162, 115, 107, 144, 102,
- 92, 125, 87, 76, 107, 74, 61, 89, 60, 44, 70, 45, 20, 47, 24,
- 0, 8, 0, 139, 180, 106, 124, 161, 95, 109, 144, 83, 93, 124, 71,
- 77, 107, 60, 61, 89, 47, 44, 70, 33, 20, 47, 13, 0, 8, 0,
- 142, 179, 82, 125, 160, 72, 111, 143, 63, 94, 124, 54, 77, 106, 44,
- 61, 88, 32, 44, 69, 18, 20, 46, 0, 0, 8, 0, 143, 179, 62,
- 127, 160, 54, 111, 142, 47, 94, 124, 39, 78, 106, 29, 62, 88, 18,
- 45, 69, 3, 20, 46, 0, 0, 8, 0, 124, 167, 216, 112, 150, 194,
- 99, 134, 174, 87, 117, 153, 73, 100, 131, 58, 82, 110, 43, 64, 88,
- 23, 40, 61, 0, 0, 24, 129, 166, 195, 116, 150, 175, 103, 134, 158,
- 89, 116, 137, 75, 99, 118, 60, 82, 98, 44, 63, 78, 23, 40, 53,
- 0, 0, 17, 132, 166, 177, 119, 149, 160, 106, 133, 143, 90, 115, 124,
- 76, 99, 107, 61, 81, 88, 45, 63, 69, 24, 40, 46, 0, 0, 9,
- 136, 166, 159, 121, 148, 143, 107, 132, 126, 92, 115, 111, 77, 98, 94,
- 62, 81, 78, 46, 63, 60, 23, 40, 38, 0, 0, 0, 138, 164, 140,
- 122, 147, 125, 108, 131, 111, 93, 114, 97, 79, 98, 82, 63, 80, 67,
- 46, 62, 50, 24, 40, 29, 0, 0, 0, 139, 163, 122, 124, 146, 109,
- 110, 131, 96, 94, 114, 83, 79, 97, 70, 63, 81, 57, 46, 62, 41,
- 24, 40, 21, 0, 0, 0, 141, 163, 101, 126, 145, 90, 111, 130, 79,
- 95, 113, 68, 79, 96, 56, 63, 80, 44, 47, 62, 30, 23, 40, 10,
- 0, 0, 0, 144, 162, 79, 127, 145, 70, 112, 129, 60, 95, 112, 51,
- 79, 96, 41, 64, 79, 30, 47, 61, 15, 23, 40, 0, 0, 0, 0,
- 145, 162, 60, 129, 145, 52, 113, 129, 46, 96, 112, 37, 79, 95, 27,
- 64, 79, 16, 47, 61, 1, 23, 39, 0, 0, 0, 0, 131, 147, 202,
- 117, 133, 181, 105, 119, 162, 91, 103, 142, 77, 87, 122, 62, 71, 102,
- 47, 54, 81, 26, 31, 56, 0, 0, 18, 135, 147, 183, 120, 132, 164,
- 107, 118, 147, 93, 102, 128, 78, 87, 110, 63, 71, 92, 47, 54, 72,
- 26, 31, 48, 0, 0, 10, 138, 147, 166, 123, 131, 149, 108, 118, 133,
- 94, 102, 116, 79, 86, 100, 64, 71, 82, 48, 54, 64, 27, 31, 41,
- 0, 0, 2, 139, 146, 149, 124, 131, 134, 111, 117, 119, 94, 101, 103,
- 79, 86, 88, 64, 70, 72, 48, 53, 55, 27, 31, 33, 0, 0, 0,
- 141, 146, 132, 125, 131, 117, 111, 117, 104, 95, 101, 91, 80, 86, 77,
- 65, 70, 62, 48, 53, 46, 26, 31, 25, 0, 0, 0, 143, 145, 115,
- 126, 130, 101, 112, 116, 90, 96, 100, 78, 80, 85, 65, 65, 70, 52,
- 49, 53, 37, 27, 32, 17, 0, 0, 0, 144, 144, 96, 128, 129, 85,
- 112, 115, 75, 97, 100, 64, 81, 85, 52, 65, 69, 40, 49, 53, 26,
- 26, 31, 5, 0, 0, 0, 146, 144, 76, 129, 129, 67, 114, 115, 58,
- 97, 99, 48, 82, 84, 38, 66, 69, 27, 49, 53, 12, 26, 32, 0,
- 0, 0, 0, 146, 144, 59, 130, 128, 51, 114, 114, 43, 98, 99, 35,
- 82, 84, 25, 66, 69, 13, 49, 53, 0, 26, 32, 0, 0, 0, 0,
- 135, 129, 189, 122, 115, 170, 107, 103, 152, 94, 89, 133, 79, 74, 114,
- 64, 60, 95, 49, 43, 75, 29, 20, 51, 0, 0, 12, 138, 129, 171,
- 124, 115, 153, 110, 103, 138, 95, 89, 120, 81, 74, 103, 66, 60, 86,
- 50, 44, 67, 28, 21, 43, 0, 0, 3, 140, 129, 156, 125, 115, 140,
- 111, 103, 125, 96, 89, 109, 81, 74, 93, 67, 60, 76, 50, 44, 59,
- 29, 22, 36, 0, 0, 0, 142, 128, 140, 127, 115, 125, 112, 102, 112,
- 97, 88, 97, 82, 74, 83, 67, 60, 67, 50, 44, 51, 29, 22, 29,
- 0, 0, 0, 142, 128, 124, 127, 114, 111, 113, 102, 98, 98, 88, 85,
- 82, 74, 71, 66, 60, 58, 50, 44, 42, 29, 22, 21, 0, 0, 0,
- 144, 127, 108, 128, 114, 96, 113, 101, 85, 98, 87, 73, 82, 74, 61,
- 67, 60, 48, 50, 44, 33, 28, 23, 12, 0, 0, 0, 145, 127, 91,
- 129, 114, 81, 115, 101, 71, 98, 87, 60, 82, 73, 48, 67, 59, 37,
- 50, 44, 22, 29, 23, 1, 0, 0, 0, 147, 127, 73, 130, 113, 63,
- 115, 101, 55, 98, 87, 45, 83, 73, 35, 67, 59, 24, 50, 44, 10,
- 28, 24, 0, 0, 0, 0, 147, 127, 58, 131, 113, 49, 115, 100, 42,
- 99, 86, 33, 83, 73, 23, 67, 59, 10, 50, 44, 0, 27, 24, 0,
- 0, 0, 0, 138, 110, 177, 124, 99, 159, 110, 88, 142, 96, 75, 125,
- 82, 62, 107, 66, 48, 89, 51, 33, 70, 30, 8, 46, 0, 0, 5,
- 142, 111, 160, 127, 99, 144, 113, 88, 130, 98, 75, 112, 82, 62, 96,
- 68, 49, 80, 51, 33, 61, 30, 10, 39, 0, 0, 0, 143, 111, 146,
- 128, 99, 131, 114, 88, 118, 98, 75, 101, 83, 62, 86, 68, 49, 71,
- 52, 33, 54, 30, 11, 32, 0, 0, 0, 144, 111, 132, 128, 99, 118,
- 113, 88, 106, 99, 75, 91, 83, 62, 77, 68, 49, 62, 52, 34, 46,
- 30, 12, 25, 0, 0, 0, 144, 111, 117, 129, 98, 104, 114, 87, 92,
- 99, 75, 80, 83, 62, 67, 68, 49, 53, 51, 34, 38, 30, 13, 18,
- 0, 0, 0, 145, 111, 103, 130, 98, 91, 114, 87, 80, 99, 75, 68,
- 83, 63, 57, 68, 50, 45, 51, 34, 30, 30, 14, 8, 0, 0, 0,
- 146, 110, 87, 131, 98, 76, 115, 87, 67, 99, 75, 56, 83, 62, 45,
- 68, 49, 33, 52, 35, 19, 30, 15, 2, 0, 0, 0, 148, 110, 70,
- 131, 98, 60, 116, 86, 52, 99, 74, 43, 84, 62, 33, 69, 49, 21,
- 52, 35, 6, 29, 15, 0, 0, 0, 0, 148, 110, 56, 132, 97, 48,
- 117, 87, 40, 100, 75, 31, 84, 62, 22, 68, 49, 9, 51, 35, 0,
- 28, 15, 0, 0, 0, 0, 142, 91, 166, 126, 80, 148, 113, 71, 132,
- 98, 59, 115, 83, 47, 99, 69, 34, 82, 53, 17, 64, 32, 0, 41,
- 0, 0, 0, 143, 91, 150, 128, 81, 135, 114, 71, 120, 99, 60, 104,
- 85, 48, 89, 69, 35, 73, 53, 19, 56, 32, 0, 34, 0, 0, 0,
- 145, 91, 137, 129, 81, 122, 115, 71, 109, 100, 60, 94, 85, 48, 81,
- 69, 35, 65, 53, 19, 49, 32, 0, 28, 0, 0, 0, 146, 92, 124,
- 130, 81, 110, 115, 71, 98, 100, 60, 84, 85, 49, 71, 69, 36, 57,
- 53, 21, 42, 32, 0, 21, 0, 0, 0, 147, 91, 110, 130, 81, 97,
- 115, 71, 86, 100, 60, 74, 84, 49, 62, 69, 36, 48, 53, 22, 34,
- 32, 0, 13, 0, 0, 0, 147, 92, 97, 130, 81, 85, 116, 72, 76,
- 100, 60, 63, 85, 49, 52, 69, 37, 40, 53, 22, 26, 31, 1, 5,
- 0, 0, 0, 148, 92, 82, 131, 81, 71, 116, 71, 62, 100, 60, 53,
- 84, 49, 42, 69, 37, 30, 52, 23, 16, 31, 2, 0, 0, 0, 0,
- 148, 91, 67, 132, 81, 57, 117, 71, 49, 100, 60, 39, 84, 49, 30,
- 69, 37, 18, 52, 23, 2, 30, 2, 0, 0, 0, 0, 149, 91, 54,
- 132, 81, 46, 118, 71, 39, 101, 60, 29, 85, 49, 19, 69, 37, 6,
- 52, 23, 0, 29, 3, 0, 0, 0, 0, 143, 68, 153, 128, 59, 137,
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- 86, 137, 52, 71, 119, 44, 58, 102, 34, 44, 85, 22, 27, 66, 7,
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- 0, 93, 111, 0, 77, 93, 0, 60, 74, 0, 38, 50, 0, 0, 17,
- 0, 155, 167, 0, 138, 149, 0, 124, 134, 0, 109, 117, 0, 93, 100,
- 0, 76, 83, 0, 60, 65, 0, 38, 43, 0, 0, 9, 0, 153, 147,
- 0, 138, 134, 0, 124, 120, 0, 107, 103, 0, 92, 88, 0, 77, 73,
- 0, 60, 56, 0, 38, 35, 0, 0, 0, 0, 153, 131, 0, 137, 118,
- 0, 122, 105, 0, 107, 90, 0, 91, 76, 0, 76, 63, 0, 60, 47,
- 0, 39, 28, 0, 0, 0, 0, 153, 111, 0, 136, 100, 0, 123, 90,
- 0, 107, 77, 0, 92, 65, 0, 76, 52, 0, 60, 37, 0, 38, 18,
- 0, 0, 0, 0, 152, 93, 0, 136, 82, 0, 122, 74, 0, 106, 63,
- 0, 91, 52, 0, 76, 40, 0, 59, 26, 0, 38, 6, 0, 0, 0,
- 0, 151, 78, 0, 136, 69, 0, 121, 61, 0, 106, 52, 0, 91, 43,
- 0, 76, 32, 0, 59, 17, 0, 38, 0, 0, 0, 0, 0, 143, 213,
- 0, 128, 191, 0, 115, 171, 0, 100, 149, 0, 84, 128, 0, 69, 108,
- 0, 52, 86, 0, 30, 61, 0, 0, 25, 0, 142, 193, 0, 127, 173,
- 0, 114, 154, 0, 99, 134, 0, 84, 116, 0, 69, 98, 0, 52, 77,
- 0, 31, 53, 0, 0, 18, 0, 141, 176, 0, 127, 158, 0, 114, 141,
- 0, 98, 122, 0, 84, 105, 0, 69, 88, 0, 53, 69, 0, 31, 46,
- 0, 0, 9, 0, 141, 159, 0, 126, 142, 0, 113, 127, 0, 98, 110,
- 0, 83, 95, 0, 69, 78, 0, 53, 60, 0, 32, 39, 0, 0, 2,
- 0, 140, 140, 0, 126, 126, 0, 112, 112, 0, 98, 98, 0, 83, 83,
- 0, 68, 69, 0, 52, 52, 0, 31, 31, 0, 0, 0, 0, 140, 124,
- 0, 125, 112, 0, 112, 100, 0, 97, 86, 0, 83, 72, 0, 68, 59,
- 0, 52, 44, 0, 31, 23, 0, 0, 0, 0, 139, 106, 0, 125, 96,
- 0, 111, 85, 0, 97, 72, 0, 83, 62, 0, 68, 49, 0, 52, 35,
- 0, 31, 15, 0, 0, 0, 0, 138, 88, 0, 124, 79, 0, 111, 70,
- 0, 96, 59, 0, 82, 48, 0, 68, 38, 0, 52, 24, 0, 31, 4,
- 0, 0, 0, 0, 139, 76, 0, 124, 66, 0, 111, 58, 0, 96, 50,
- 0, 82, 40, 0, 68, 29, 0, 52, 15, 0, 31, 0, 0, 0, 0,
- 0, 129, 200, 0, 114, 179, 0, 102, 160, 0, 87, 139, 0, 74, 120,
- 0, 60, 101, 0, 44, 81, 0, 22, 56, 0, 0, 19, 0, 127, 181,
- 0, 114, 163, 0, 102, 146, 0, 88, 127, 0, 74, 109, 0, 60, 91,
- 0, 44, 72, 0, 23, 48, 0, 0, 11, 0, 127, 166, 0, 113, 148,
- 0, 101, 133, 0, 87, 115, 0, 74, 99, 0, 60, 82, 0, 44, 64,
- 0, 23, 42, 0, 0, 4, 0, 127, 150, 0, 113, 134, 0, 101, 119,
- 0, 87, 104, 0, 74, 89, 0, 60, 73, 0, 44, 56, 0, 23, 35,
- 0, 0, 0, 0, 125, 134, 0, 112, 118, 0, 100, 106, 0, 87, 92,
- 0, 73, 78, 0, 60, 64, 0, 44, 48, 0, 23, 27, 0, 0, 0,
- 0, 125, 118, 0, 112, 105, 0, 100, 94, 0, 86, 80, 0, 73, 68,
- 0, 60, 54, 0, 44, 39, 0, 23, 20, 0, 0, 0, 0, 125, 101,
- 0, 111, 90, 0, 99, 80, 0, 86, 69, 0, 73, 58, 0, 59, 45,
- 0, 44, 30, 0, 23, 11, 0, 0, 0, 0, 124, 85, 0, 111, 75,
- 0, 99, 66, 0, 86, 56, 0, 73, 45, 0, 59, 34, 0, 44, 20,
- 0, 23, 1, 0, 0, 0, 0, 125, 72, 0, 111, 62, 0, 99, 56,
- 0, 86, 46, 0, 73, 36, 0, 60, 26, 0, 44, 12, 0, 23, 0,
- 0, 0, 0, 0, 114, 188, 0, 101, 167, 0, 89, 150, 0, 77, 131,
- 0, 64, 113, 0, 50, 95, 0, 34, 75, 0, 12, 52, 0, 0, 14,
- 0, 113, 170, 0, 101, 153, 0, 89, 137, 0, 77, 120, 0, 64, 102,
- 0, 50, 85, 0, 35, 67, 0, 12, 44, 0, 0, 4, 0, 113, 156,
- 0, 100, 139, 0, 89, 125, 0, 77, 109, 0, 64, 92, 0, 51, 77,
- 0, 35, 60, 0, 12, 38, 0, 0, 0, 0, 112, 141, 0, 100, 126,
- 0, 89, 113, 0, 77, 98, 0, 64, 83, 0, 51, 68, 0, 35, 51,
- 0, 12, 30, 0, 0, 0, 0, 112, 127, 0, 100, 112, 0, 89, 100,
- 0, 76, 87, 0, 64, 74, 0, 51, 59, 0, 35, 44, 0, 13, 24,
- 0, 0, 0, 0, 112, 111, 0, 100, 100, 0, 88, 88, 0, 76, 76,
- 0, 64, 64, 0, 51, 52, 0, 36, 37, 0, 13, 17, 0, 0, 0,
- 0, 111, 96, 0, 99, 85, 0, 88, 76, 0, 76, 64, 0, 64, 53,
- 0, 51, 41, 0, 36, 27, 0, 13, 6, 0, 0, 0, 0, 111, 81,
- 0, 99, 71, 0, 88, 62, 0, 76, 52, 0, 64, 43, 0, 51, 31,
- 0, 36, 17, 0, 13, 0, 0, 0, 0, 0, 111, 69, 0, 99, 60,
- 0, 88, 52, 0, 75, 43, 0, 63, 34, 0, 51, 21, 0, 36, 7,
- 0, 13, 0, 0, 0, 0, 0, 99, 177, 0, 88, 158, 0, 77, 141,
- 0, 66, 123, 0, 53, 106, 0, 40, 89, 0, 25, 71, 0, 5, 47,
- 0, 0, 8, 0, 99, 160, 0, 88, 144, 0, 77, 129, 0, 66, 112,
- 0, 54, 97, 0, 41, 80, 0, 26, 62, 0, 5, 40, 0, 0, 0,
- 0, 99, 147, 0, 87, 132, 0, 78, 117, 0, 66, 102, 0, 54, 87,
- 0, 42, 72, 0, 26, 55, 0, 5, 34, 0, 0, 0, 0, 99, 134,
- 0, 88, 119, 0, 77, 107, 0, 66, 92, 0, 54, 78, 0, 42, 64,
- 0, 27, 48, 0, 5, 27, 0, 0, 0, 0, 99, 120, 0, 87, 107,
- 0, 78, 94, 0, 66, 81, 0, 54, 68, 0, 42, 55, 0, 27, 40,
- 0, 6, 20, 0, 0, 0, 0, 98, 105, 0, 87, 94, 0, 77, 84,
- 0, 65, 71, 0, 55, 59, 0, 42, 47, 0, 28, 33, 0, 6, 12,
- 0, 0, 0, 0, 98, 93, 0, 87, 81, 0, 77, 72, 0, 66, 61,
- 0, 54, 49, 0, 42, 37, 0, 28, 24, 0, 6, 4, 0, 0, 0,
- 0, 98, 77, 0, 87, 68, 0, 77, 59, 0, 65, 49, 0, 54, 39,
- 0, 42, 27, 0, 29, 14, 0, 6, 0, 0, 0, 0, 1, 98, 65,
- 7, 87, 56, 0, 77, 49, 0, 66, 41, 0, 54, 30, 0, 42, 19,
- 0, 29, 3, 0, 6, 0, 0, 0, 0, 0, 84, 166, 0, 74, 149,
- 0, 64, 134, 0, 53, 117, 0, 41, 100, 0, 28, 83, 0, 11, 64,
- 0, 0, 42, 0, 0, 3, 0, 84, 151, 0, 74, 135, 0, 64, 121,
- 0, 53, 105, 0, 42, 90, 0, 30, 75, 0, 14, 58, 0, 0, 36,
- 0, 0, 0, 0, 84, 138, 0, 74, 124, 1, 64, 110, 0, 54, 95,
- 0, 43, 81, 0, 30, 67, 0, 15, 51, 0, 1, 29, 0, 0, 0,
- 14, 84, 126, 12, 74, 112, 2, 65, 99, 0, 54, 85, 0, 44, 73,
- 0, 31, 59, 0, 16, 44, 0, 1, 23, 0, 0, 0, 16, 84, 113,
- 13, 74, 100, 6, 65, 89, 0, 54, 77, 0, 44, 65, 0, 31, 51,
- 0, 17, 36, 0, 1, 16, 0, 0, 0, 24, 84, 100, 18, 74, 88,
- 13, 65, 78, 2, 55, 68, 0, 44, 55, 0, 32, 43, 0, 18, 28,
- 0, 1, 6, 0, 0, 0, 26, 84, 87, 24, 74, 76, 17, 65, 67,
- 7, 54, 57, 0, 44, 46, 0, 32, 35, 0, 19, 21, 0, 2, 3,
- 0, 0, 0, 30, 84, 74, 28, 74, 64, 20, 65, 55, 12, 55, 46,
- 0, 44, 35, 0, 32, 24, 0, 18, 9, 0, 1, 0, 0, 0, 0,
- 32, 84, 63, 28, 74, 54, 21, 65, 47, 13, 54, 38, 0, 44, 28,
- 0, 32, 16, 0, 18, 1, 0, 1, 0, 0, 0, 0, 30, 67, 155,
- 20, 58, 139, 20, 49, 126, 12, 39, 110, 0, 27, 94, 0, 13, 77,
- 0, 0, 60, 0, 0, 37, 0, 0, 0, 35, 67, 142, 30, 58, 126,
- 23, 50, 114, 16, 40, 99, 7, 29, 85, 0, 15, 69, 0, 0, 52,
- 0, 0, 30, 0, 0, 0, 35, 68, 131, 30, 59, 116, 27, 50, 104,
- 18, 40, 90, 9, 29, 76, 0, 17, 62, 0, 2, 46, 0, 0, 24,
- 0, 0, 0, 37, 69, 119, 33, 59, 106, 27, 51, 94, 21, 41, 80,
- 9, 30, 67, 0, 18, 54, 0, 3, 39, 0, 0, 18, 0, 0, 0,
- 40, 69, 107, 36, 59, 94, 28, 51, 84, 18, 41, 72, 10, 31, 60,
- 0, 19, 47, 0, 4, 32, 0, 0, 10, 0, 0, 0, 42, 69, 95,
- 36, 59, 84, 29, 51, 74, 19, 41, 63, 10, 31, 52, 0, 20, 39,
- 0, 4, 25, 0, 0, 4, 0, 0, 0, 43, 69, 83, 38, 60, 73,
- 32, 51, 62, 23, 42, 53, 11, 31, 42, 0, 20, 31, 0, 5, 17,
- 0, 0, 1, 0, 0, 0, 45, 69, 70, 39, 60, 60, 33, 51, 52,
- 24, 42, 43, 13, 32, 33, 0, 21, 21, 0, 5, 6, 0, 0, 0,
- 0, 0, 0, 47, 69, 59, 41, 60, 51, 34, 51, 43, 24, 42, 35,
- 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(&parameters);
- 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, &parameters)) {
- 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_