chromium/third_party/blink/renderer/platform/image-decoders/image_decoder.h

/*
 * Copyright (C) 2006 Apple Computer, Inc.  All rights reserved.
 * Copyright (C) Research In Motion Limited 2009-2010. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifdef UNSAFE_BUFFERS_BUILD
// TODO(crbug.com/351564777): Remove this and convert code to safer constructs.
#pragma allow_unsafe_buffers
#endif

#ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_IMAGE_DECODERS_IMAGE_DECODER_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_IMAGE_DECODERS_IMAGE_DECODER_H_

#include <memory>
#include <optional>

#include "base/check_op.h"
#include "base/containers/heap_array.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/scoped_refptr.h"
#include "base/numerics/checked_math.h"
#include "base/numerics/safe_conversions.h"
#include "base/strings/strcat.h"
#include "base/time/time.h"
#include "third_party/blink/renderer/platform/graphics/color_behavior.h"
#include "third_party/blink/renderer/platform/graphics/image_orientation_enum.h"
#include "third_party/blink/renderer/platform/graphics/paint/paint_image.h"
#include "third_party/blink/renderer/platform/image-decoders/image_animation.h"
#include "third_party/blink/renderer/platform/image-decoders/image_frame.h"
#include "third_party/blink/renderer/platform/image-decoders/segment_reader.h"
#include "third_party/blink/renderer/platform/instrumentation/histogram.h"
#include "third_party/blink/renderer/platform/platform_export.h"
#include "third_party/blink/renderer/platform/wtf/forward.h"
#include "third_party/blink/renderer/platform/wtf/shared_buffer.h"
#include "third_party/blink/renderer/platform/wtf/vector.h"
#include "third_party/skia/include/core/SkImageInfo.h"
#include "third_party/skia/modules/skcms/skcms.h"

class SkColorSpace;
class SkData;

namespace gfx {
struct HDRMetadata;
}  // namespace gfx

namespace blink {

#if SK_B32_SHIFT
inline skcms_PixelFormat XformColorFormat() {
  return skcms_PixelFormat_RGBA_8888;
}
#else
inline skcms_PixelFormat XformColorFormat() { … }
#endif

// ImagePlanes can be used to decode color components into provided buffers
// instead of using an ImageFrame.
class PLATFORM_EXPORT ImagePlanes final { … };

class PLATFORM_EXPORT ColorProfile final { … };

class PLATFORM_EXPORT ColorProfileTransform final { … };

// ImageDecoder is a base for all format-specific decoders
// (e.g. JPEGImageDecoder). This base manages the ImageFrame cache.
//
class PLATFORM_EXPORT ImageDecoder { … };

// static
template <const char type[]>
void ImageDecoder::UpdateBppHistogram(gfx::Size size, size_t image_size_bytes) { … }

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_PLATFORM_IMAGE_DECODERS_IMAGE_DECODER_H_