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// 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 <stddef.h>
#include <stdint.h>
#include <memory>
#include <optional>
#include "build/build_config.h"
#include "core/fxcrt/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 std::optional<ImageInfo> LoadInfo(
pdfium::span<const uint8_t> src_span);
#if BUILDFLAG(IS_WIN)
static bool JpegEncode(const RetainPtr<const 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_