64 lines
1.5 KiB
C
64 lines
1.5 KiB
C
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// Copyright 2016 The PDFium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
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#ifndef CORE_FXCODEC_JPEG_JPEGMODULE_H_
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#define CORE_FXCODEC_JPEG_JPEGMODULE_H_
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#include <stdint.h>
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#include <memory>
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#include "build/build_config.h"
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#include "third_party/abseil-cpp/absl/types/optional.h"
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#include "third_party/base/span.h"
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#if BUILDFLAG(IS_WIN)
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#include "core/fxcrt/retain_ptr.h"
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#endif
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class CFX_DIBBase;
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namespace fxcodec {
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class ScanlineDecoder;
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class JpegModule {
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public:
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struct ImageInfo {
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uint32_t width;
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uint32_t height;
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int num_components;
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int bits_per_components;
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bool color_transform;
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};
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static std::unique_ptr<ScanlineDecoder> CreateDecoder(
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pdfium::span<const uint8_t> src_span,
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uint32_t width,
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uint32_t height,
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int nComps,
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bool ColorTransform);
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static absl::optional<ImageInfo> LoadInfo(
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pdfium::span<const uint8_t> src_span);
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#if BUILDFLAG(IS_WIN)
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static bool JpegEncode(const RetainPtr<CFX_DIBBase>& pSource,
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uint8_t** dest_buf,
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size_t* dest_size);
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#endif // BUILDFLAG(IS_WIN)
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JpegModule() = delete;
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JpegModule(const JpegModule&) = delete;
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JpegModule& operator=(const JpegModule&) = delete;
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};
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} // namespace fxcodec
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using JpegModule = fxcodec::JpegModule;
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#endif // CORE_FXCODEC_JPEG_JPEGMODULE_H_
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