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_GRRDPROC_H_
8#define CORE_FXCODEC_JBIG2_JBIG2_GRRDPROC_H_
9
10#include <memory>
11
12#include "core/fxcrt/fx_system.h"
13
14class CJBig2_ArithDecoder;
15class CJBig2_Image;
16struct JBig2ArithCtx;
17
18class CJBig2_GRRDProc {
19 public:
20  std::unique_ptr<CJBig2_Image> decode(CJBig2_ArithDecoder* pArithDecoder,
21                                       JBig2ArithCtx* grContext);
22
23  uint32_t GRW;
24  uint32_t GRH;
25  bool GRTEMPLATE;
26  CJBig2_Image* GRREFERENCE;
27  int32_t GRREFERENCEDX;
28  int32_t GRREFERENCEDY;
29  bool TPGRON;
30  int8_t GRAT[4];
31
32 private:
33  std::unique_ptr<CJBig2_Image> decode_Template0_unopt(
34      CJBig2_ArithDecoder* pArithDecoder,
35      JBig2ArithCtx* grContext);
36  uint32_t decode_Template0_unopt_CalculateContext(const CJBig2_Image& GRREG,
37                                                   const uint32_t* lines,
38                                                   uint32_t w,
39                                                   uint32_t h) const;
40  void decode_Template0_unopt_SetPixel(CJBig2_Image* GRREG,
41                                       uint32_t* lines,
42                                       uint32_t w,
43                                       uint32_t h,
44                                       int bVal);
45
46  std::unique_ptr<CJBig2_Image> decode_Template0_opt(
47      CJBig2_ArithDecoder* pArithDecoder,
48      JBig2ArithCtx* grContext);
49
50  std::unique_ptr<CJBig2_Image> decode_Template1_unopt(
51      CJBig2_ArithDecoder* pArithDecoder,
52      JBig2ArithCtx* grContext);
53
54  std::unique_ptr<CJBig2_Image> decode_Template1_opt(
55      CJBig2_ArithDecoder* pArithDecoder,
56      JBig2ArithCtx* grContext);
57};
58
59#endif  // CORE_FXCODEC_JBIG2_JBIG2_GRRDPROC_H_
60