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// 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_FXCODEC_JBIG2_JBIG2_GRDPROC_H_
#define CORE_FXCODEC_JBIG2_JBIG2_GRDPROC_H_
#include "core/fxcodec/fx_codec_def.h"
#include "core/fxcrt/fx_coordinates.h"
#include "core/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;
uint32_t GBW;
uint32_t 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);
uint32_t 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;
uint16_t m_DecodeType;
FX_BOOL m_LTP;
FX_RECT m_ReplaceRect;
};
#endif // CORE_FXCODEC_JBIG2_JBIG2_GRDPROC_H_
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