// 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_FXCODEC_JBIG2_JBIG2_HUFFMANTABLE_H_ #define CORE_FXCODEC_JBIG2_JBIG2_HUFFMANTABLE_H_ #include <vector> #include "core/fxcodec/jbig2/JBig2_Define.h" #include "core/fxcrt/fx_system.h" class CJBig2_BitStream; struct JBig2TableLine; class CJBig2_HuffmanTable { public: CJBig2_HuffmanTable(const JBig2TableLine* pTable, uint32_t nLines, bool bHTOOB); explicit CJBig2_HuffmanTable(CJBig2_BitStream* pStream); ~CJBig2_HuffmanTable(); bool IsHTOOB() const { return HTOOB; } uint32_t Size() const { return NTEMP; } const std::vector<JBig2HuffmanCode>& GetCODES() const { return CODES; } 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); bool InitCodes(); void ExtendBuffers(bool increment); bool m_bOK; bool HTOOB; uint32_t NTEMP; std::vector<JBig2HuffmanCode> CODES; std::vector<int> RANGELEN; std::vector<int> RANGELOW; }; #endif // CORE_FXCODEC_JBIG2_JBIG2_HUFFMANTABLE_H_