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 17 class CPDF_ColorSpace; 18 19 class 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