blob: 3cb95acd95412ff4a8ed6b84e9f796622ae106fe (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
|
// 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_ARITHDECODER_H_
#define CORE_SRC_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_SRC_FXCODEC_JBIG2_JBIG2_ARITHDECODER_H_
|