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/*
* Copyright (C) 2016-2024 Apple Inc. 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 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 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.
*/
#pragma once
#include "Color.h"
#include "DecodingOptions.h"
#include "ImageOrientation.h"
#include "ImageTypes.h"
#include "IntSize.h"
#include "NativeImage.h"
#include <wtf/Seconds.h>
// X11 headers define a bunch of macros with common terms, interfering with WebCore and WTF enum values.
// As a workaround, we explicitly undef them here.
#if defined(None)
#undef None
#endif
namespace WebCore {
class ImageFrame {
friend class BitmapImageSource;
friend class ImageDecoder;
friend class ImageDecoderCG;
public:
enum class Caching { Metadata, MetadataAndImage };
ImageFrame();
ImageFrame(Ref<NativeImage>&&);
ImageFrame(const ImageFrame& other) { operator=(other); }
~ImageFrame();
static const ImageFrame& defaultFrame();
ImageFrame& operator=(const ImageFrame& other);
unsigned clearImage();
unsigned clear();
void setDecodingStatus(DecodingStatus);
DecodingStatus decodingStatus() const;
bool isInvalid() const { return m_decodingStatus == DecodingStatus::Invalid; }
bool isPartial() const { return m_decodingStatus == DecodingStatus::Partial; }
bool isComplete() const { return m_decodingStatus == DecodingStatus::Complete; }
void setSize(const IntSize& size) { m_size = size; }
IntSize size() const { return m_size; }
unsigned frameBytes() const { return hasNativeImage() ? (size().area() * sizeof(uint32_t)).value() : 0; }
SubsamplingLevel subsamplingLevel() const { return m_subsamplingLevel; }
DecodingOptions decodingOptions() const { return m_decodingOptions; }
RefPtr<NativeImage> nativeImage() const { return m_nativeImage; }
void setOrientation(ImageOrientation orientation) { m_orientation = orientation; };
ImageOrientation orientation() const { return m_orientation; }
void setHeadroom(Headroom headroom) { m_headroom = headroom; };
Headroom headroom() const { return m_headroom; }
void setDensityCorrectedSize(const IntSize& size) { m_densityCorrectedSize = size; }
std::optional<IntSize> densityCorrectedSize() const { return m_densityCorrectedSize; }
void setDuration(const Seconds& duration) { m_duration = duration; }
Seconds duration() const { return m_duration; }
void setHasAlpha(bool hasAlpha) { m_hasAlpha = hasAlpha; }
bool hasAlpha() const { return !hasMetadata() || m_hasAlpha; }
bool hasNativeImage(const std::optional<SubsamplingLevel>& = { }) const;
bool hasFullSizeNativeImage(const std::optional<SubsamplingLevel>& = { }) const;
bool hasDecodedNativeImageCompatibleWithOptions(const std::optional<SubsamplingLevel>&, const DecodingOptions&) const;
bool hasMetadata() const { return !size().isEmpty(); }
private:
DecodingStatus m_decodingStatus { DecodingStatus::Invalid };
IntSize m_size;
RefPtr<NativeImage> m_nativeImage;
SubsamplingLevel m_subsamplingLevel { SubsamplingLevel::Default };
DecodingOptions m_decodingOptions { DecodingMode::Auto };
ImageOrientation m_orientation { ImageOrientation::Orientation::None };
Headroom m_headroom { Headroom::None };
std::optional<IntSize> m_densityCorrectedSize;
Seconds m_duration;
bool m_hasAlpha { true };
};
} // namespace WebCore
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