1// Copyright 2017 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_CJPX_DECODER_H_
8#define CORE_FXCODEC_CODEC_CJPX_DECODER_H_
9
10#include <memory>
11#include <vector>
12
13#include "core/fxcodec/codec/codec_int.h"
14#include "core/fxcrt/unowned_ptr.h"
15#include "third_party/libopenjpeg20/openjpeg.h"
16
17class CPDF_ColorSpace;
18
19class CJPX_Decoder {
20 public:
21  explicit CJPX_Decoder(CPDF_ColorSpace* cs);
22  ~CJPX_Decoder();
23
24  bool Init(const unsigned char* src_data, uint32_t src_size);
25  void GetInfo(uint32_t* width, uint32_t* height, uint32_t* components);
26  bool Decode(uint8_t* dest_buf,
27              int pitch,
28              const std::vector<uint8_t>& offsets);
29
30 private:
31  const uint8_t* m_SrcData;
32  uint32_t m_SrcSize;
33  // TODO(rharrison): Convert these to unowned ptrs, if possible.
34  opj_image_t* m_Image;
35  opj_codec_t* m_Codec;
36  std::unique_ptr<DecodeData> m_DecodeData;
37  opj_stream_t* m_Stream;
38  opj_dparameters_t m_Parameters;
39  UnownedPtr<const CPDF_ColorSpace> const m_ColorSpace;
40};
41
42#endif  // CORE_FXCODEC_CODEC_CJPX_DECODER_H_
43