1 // Copyright 2015 PDFium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com 6 7 #ifndef CORE_FXCODEC_JBIG2_JBIG2_GRDPROC_H_ 8 #define CORE_FXCODEC_JBIG2_JBIG2_GRDPROC_H_ 9 10 #include <memory> 11 12 #include "core/fxcodec/fx_codec_def.h" 13 #include "core/fxcrt/fx_coordinates.h" 14 #include "core/fxcrt/fx_system.h" 15 #include "core/fxcrt/unowned_ptr.h" 16 17 class CJBig2_ArithDecoder; 18 class CJBig2_BitStream; 19 class CJBig2_Image; 20 class IFX_PauseIndicator; 21 struct JBig2ArithCtx; 22 23 class CJBig2_GRDProc { 24 public: 25 CJBig2_GRDProc(); 26 ~CJBig2_GRDProc(); 27 28 std::unique_ptr<CJBig2_Image> decode_Arith(CJBig2_ArithDecoder* pArithDecoder, 29 JBig2ArithCtx* gbContext); 30 31 FXCODEC_STATUS Start_decode_Arith(std::unique_ptr<CJBig2_Image>* pImage, 32 CJBig2_ArithDecoder* pArithDecoder, 33 JBig2ArithCtx* gbContext, 34 IFX_PauseIndicator* pPause); 35 FXCODEC_STATUS Start_decode_MMR(std::unique_ptr<CJBig2_Image>* pImage, 36 CJBig2_BitStream* pStream); 37 FXCODEC_STATUS Continue_decode(IFX_PauseIndicator* pPause, 38 CJBig2_ArithDecoder* pArithDecoder); 39 FX_RECT GetReplaceRect() const { return m_ReplaceRect; } 40 41 bool MMR; 42 uint32_t GBW; 43 uint32_t GBH; 44 uint8_t GBTEMPLATE; 45 bool TPGDON; 46 bool USESKIP; 47 CJBig2_Image* SKIP; 48 int8_t GBAT[8]; 49 50 private: 51 bool UseTemplate0Opt3() const; 52 bool UseTemplate1Opt3() const; 53 bool UseTemplate23Opt3() const; 54 55 FXCODEC_STATUS decode_Arith(IFX_PauseIndicator* pPause, 56 CJBig2_ArithDecoder* pArithDecoder); 57 FXCODEC_STATUS decode_Arith_Template0_opt3(CJBig2_Image* pImage, 58 CJBig2_ArithDecoder* pArithDecoder, 59 JBig2ArithCtx* gbContext, 60 IFX_PauseIndicator* pPause); 61 FXCODEC_STATUS decode_Arith_Template0_unopt( 62 CJBig2_Image* pImage, 63 CJBig2_ArithDecoder* pArithDecoder, 64 JBig2ArithCtx* gbContext, 65 IFX_PauseIndicator* pPause); 66 FXCODEC_STATUS decode_Arith_Template1_opt3(CJBig2_Image* pImage, 67 CJBig2_ArithDecoder* pArithDecoder, 68 JBig2ArithCtx* gbContext, 69 IFX_PauseIndicator* pPause); 70 FXCODEC_STATUS decode_Arith_Template1_unopt( 71 CJBig2_Image* pImage, 72 CJBig2_ArithDecoder* pArithDecoder, 73 JBig2ArithCtx* gbContext, 74 IFX_PauseIndicator* pPause); 75 FXCODEC_STATUS decode_Arith_Template2_opt3(CJBig2_Image* pImage, 76 CJBig2_ArithDecoder* pArithDecoder, 77 JBig2ArithCtx* gbContext, 78 IFX_PauseIndicator* pPause); 79 FXCODEC_STATUS decode_Arith_Template2_unopt( 80 CJBig2_Image* pImage, 81 CJBig2_ArithDecoder* pArithDecoder, 82 JBig2ArithCtx* gbContext, 83 IFX_PauseIndicator* pPause); 84 FXCODEC_STATUS decode_Arith_Template3_opt3(CJBig2_Image* pImage, 85 CJBig2_ArithDecoder* pArithDecoder, 86 JBig2ArithCtx* gbContext, 87 IFX_PauseIndicator* pPause); 88 FXCODEC_STATUS decode_Arith_Template3_unopt( 89 CJBig2_Image* pImage, 90 CJBig2_ArithDecoder* pArithDecoder, 91 JBig2ArithCtx* gbContext, 92 IFX_PauseIndicator* pPause); 93 std::unique_ptr<CJBig2_Image> decode_Arith_Template0_opt3( 94 CJBig2_ArithDecoder* pArithDecoder, 95 JBig2ArithCtx* gbContext); 96 97 std::unique_ptr<CJBig2_Image> decode_Arith_Template0_unopt( 98 CJBig2_ArithDecoder* pArithDecoder, 99 JBig2ArithCtx* gbContext); 100 101 std::unique_ptr<CJBig2_Image> decode_Arith_Template1_opt3( 102 CJBig2_ArithDecoder* pArithDecoder, 103 JBig2ArithCtx* gbContext); 104 105 std::unique_ptr<CJBig2_Image> decode_Arith_Template1_unopt( 106 CJBig2_ArithDecoder* pArithDecoder, 107 JBig2ArithCtx* gbContext); 108 109 std::unique_ptr<CJBig2_Image> decode_Arith_Template2_opt3( 110 CJBig2_ArithDecoder* pArithDecoder, 111 JBig2ArithCtx* gbContext); 112 113 std::unique_ptr<CJBig2_Image> decode_Arith_Template2_unopt( 114 CJBig2_ArithDecoder* pArithDecoder, 115 JBig2ArithCtx* gbContext); 116 117 std::unique_ptr<CJBig2_Image> decode_Arith_Template3_opt3( 118 CJBig2_ArithDecoder* pArithDecoder, 119 JBig2ArithCtx* gbContext); 120 121 std::unique_ptr<CJBig2_Image> decode_Arith_Template3_unopt( 122 CJBig2_ArithDecoder* pArithDecoder, 123 JBig2ArithCtx* gbContext); 124 125 uint32_t m_loopIndex; 126 uint8_t* m_pLine; 127 FXCODEC_STATUS m_ProssiveStatus; 128 CJBig2_Image* m_pImage; 129 JBig2ArithCtx* m_gbContext; 130 uint16_t m_DecodeType; 131 int m_LTP; 132 FX_RECT m_ReplaceRect; 133 }; 134 135 #endif // CORE_FXCODEC_JBIG2_JBIG2_GRDPROC_H_ 136
