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// Copyright 2017 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_CODEC_CJPX_DECODER_H_
#define CORE_FXCODEC_CODEC_CJPX_DECODER_H_
#include <memory>
#include <vector>
#include "core/fxcodec/codec/codec_int.h"
#include "core/fxcrt/unowned_ptr.h"
#include "third_party/libopenjpeg20/openjpeg.h"
class CPDF_ColorSpace;
class CJPX_Decoder {
public:
explicit CJPX_Decoder(CPDF_ColorSpace* cs);
~CJPX_Decoder();
bool Init(const unsigned char* src_data, uint32_t src_size);
void GetInfo(uint32_t* width, uint32_t* height, uint32_t* components);
bool Decode(uint8_t* dest_buf,
uint32_t pitch,
const std::vector<uint8_t>& offsets);
private:
const uint8_t* m_SrcData;
uint32_t m_SrcSize;
// TODO(rharrison): Convert these to unowned ptrs, if possible.
opj_image_t* m_Image;
opj_codec_t* m_Codec;
std::unique_ptr<DecodeData> m_DecodeData;
opj_stream_t* m_Stream;
opj_dparameters_t m_Parameters;
UnownedPtr<const CPDF_ColorSpace> const m_ColorSpace;
};
#endif // CORE_FXCODEC_CODEC_CJPX_DECODER_H_
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