// 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_ARITHDECODER_H_
|
#define CORE_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_FXCODEC_JBIG2_JBIG2_ARITHDECODER_H_
|
