1// Copyright 2016 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_CODEC_CCODEC_JBIG2MODULE_H_
8#define CORE_FXCODEC_CODEC_CCODEC_JBIG2MODULE_H_
9
10#include <memory>
11
12#include "core/fxcodec/fx_codec_def.h"
13#include "core/fxcrt/fx_basic.h"
14
15class CJBig2_Context;
16class CJBig2_Image;
17class CPDF_StreamAcc;
18class IFX_Pause;
19class JBig2_DocumentContext;
20
21class CCodec_Jbig2Context {
22 public:
23  CCodec_Jbig2Context();
24  ~CCodec_Jbig2Context();
25
26  uint32_t m_width;
27  uint32_t m_height;
28  CPDF_StreamAcc* m_pGlobalStream;
29  CPDF_StreamAcc* m_pSrcStream;
30  uint8_t* m_dest_buf;
31  uint32_t m_dest_pitch;
32  IFX_Pause* m_pPause;
33  std::unique_ptr<CJBig2_Context> m_pContext;
34};
35
36class CCodec_Jbig2Module {
37 public:
38  CCodec_Jbig2Module() {}
39  ~CCodec_Jbig2Module();
40
41  FXCODEC_STATUS StartDecode(
42      CCodec_Jbig2Context* pJbig2Context,
43      std::unique_ptr<JBig2_DocumentContext>* pContextHolder,
44      uint32_t width,
45      uint32_t height,
46      CPDF_StreamAcc* src_stream,
47      CPDF_StreamAcc* global_stream,
48      uint8_t* dest_buf,
49      uint32_t dest_pitch,
50      IFX_Pause* pPause);
51  FXCODEC_STATUS ContinueDecode(CCodec_Jbig2Context* pJbig2Context,
52                                IFX_Pause* pPause);
53};
54
55#endif  // CORE_FXCODEC_CODEC_CCODEC_JBIG2MODULE_H_
56