| // Copyright 2016 The PDFium Authors |
| // 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_JPEG_JPEGMODULE_H_ |
| #define CORE_FXCODEC_JPEG_JPEGMODULE_H_ |
| |
| #include <stdint.h> |
| |
| #include <memory> |
| |
| #include "build/build_config.h" |
| #include "third_party/abseil-cpp/absl/types/optional.h" |
| #include "third_party/base/span.h" |
| |
| #if BUILDFLAG(IS_WIN) |
| #include "core/fxcrt/retain_ptr.h" |
| #endif |
| |
| class CFX_DIBBase; |
| |
| namespace fxcodec { |
| |
| class ScanlineDecoder; |
| |
| class JpegModule { |
| public: |
| struct ImageInfo { |
| uint32_t width; |
| uint32_t height; |
| int num_components; |
| int bits_per_components; |
| bool color_transform; |
| }; |
| |
| static std::unique_ptr<ScanlineDecoder> CreateDecoder( |
| pdfium::span<const uint8_t> src_span, |
| uint32_t width, |
| uint32_t height, |
| int nComps, |
| bool ColorTransform); |
| |
| static absl::optional<ImageInfo> LoadInfo( |
| pdfium::span<const uint8_t> src_span); |
| |
| #if BUILDFLAG(IS_WIN) |
| static bool JpegEncode(const RetainPtr<CFX_DIBBase>& pSource, |
| uint8_t** dest_buf, |
| size_t* dest_size); |
| #endif // BUILDFLAG(IS_WIN) |
| |
| JpegModule() = delete; |
| JpegModule(const JpegModule&) = delete; |
| JpegModule& operator=(const JpegModule&) = delete; |
| }; |
| |
| } // namespace fxcodec |
| |
| using JpegModule = fxcodec::JpegModule; |
| |
| #endif // CORE_FXCODEC_JPEG_JPEGMODULE_H_ |