| // 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/base/span.h" |
| #include "third_party/libopenjpeg20/openjpeg.h" |
| |
| class CPDF_ColorSpace; |
| |
| class CJPX_Decoder { |
| public: |
| explicit CJPX_Decoder(CPDF_ColorSpace* cs); |
| ~CJPX_Decoder(); |
| |
| bool Init(pdfium::span<const uint8_t> src_data); |
| 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: |
| pdfium::span<const uint8_t> m_SrcData; |
| UnownedPtr<opj_image_t> m_Image; |
| UnownedPtr<opj_codec_t> m_Codec; |
| std::unique_ptr<DecodeData> m_DecodeData; |
| UnownedPtr<opj_stream_t> m_Stream; |
| opj_dparameters_t m_Parameters; |
| UnownedPtr<const CPDF_ColorSpace> const m_ColorSpace; |
| }; |
| |
| #endif // CORE_FXCODEC_CODEC_CJPX_DECODER_H_ |