diff options
Diffstat (limited to 'core/src/fxcodec/jbig2/JBig2_Context.h')
-rw-r--r-- | core/src/fxcodec/jbig2/JBig2_Context.h | 134 |
1 files changed, 0 insertions, 134 deletions
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_ |