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/*
* Copyright (C) 2019 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 "DecodingOptions.h"
#include "GraphicsTypes.h"
#include "ImageOrientation.h"
namespace WebCore {
struct ImagePaintingOptions {
template<typename Type> static constexpr bool isOptionType =
std::is_same_v<Type, CompositeOperator>
|| std::is_same_v<Type, BlendMode>
|| std::is_same_v<Type, DecodingMode>
|| std::is_same_v<Type, ImageOrientation>
|| std::is_same_v<Type, ImageOrientation::Orientation>
|| std::is_same_v<Type, InterpolationQuality>;
template<typename First, typename... Rest, typename = std::enable_if_t<isOptionType<std::decay_t<First>>>>
ImagePaintingOptions(First first, Rest... rest)
{
setOption(first, rest...);
}
template<typename... Overrides>
ImagePaintingOptions(const ImagePaintingOptions& other, Overrides... overrides)
: ImagePaintingOptions(other)
{
setOption(overrides...);
}
ImagePaintingOptions() = default;
ImagePaintingOptions(const ImagePaintingOptions&) = default;
ImagePaintingOptions& operator=(const ImagePaintingOptions&) = default;
CompositeOperator compositeOperator() const { return m_compositeOperator; }
BlendMode blendMode() const { return m_blendMode; }
DecodingMode decodingMode() const { return m_decodingMode; }
ImageOrientation orientation() const { return m_orientation; }
InterpolationQuality interpolationQuality() const { return m_interpolationQuality; }
template<class Encoder> void encode(Encoder&) const;
template<class Decoder> static std::optional<ImagePaintingOptions> decode(Decoder&);
private:
template <typename First, typename... Rest>
void setOption(First first, Rest... rest)
{
setOption(first);
setOption(rest...);
}
void setOption(CompositeOperator compositeOperator) { m_compositeOperator = compositeOperator; }
void setOption(BlendMode blendMode) { m_blendMode = blendMode; }
void setOption(DecodingMode decodingMode) { m_decodingMode = decodingMode; }
void setOption(ImageOrientation orientation) { m_orientation = orientation; }
void setOption(ImageOrientation::Orientation orientation) { m_orientation = orientation; }
void setOption(InterpolationQuality interpolationQuality) { m_interpolationQuality = interpolationQuality; }
CompositeOperator m_compositeOperator { CompositeOperator::SourceOver };
BlendMode m_blendMode { BlendMode::Normal };
DecodingMode m_decodingMode { DecodingMode::Synchronous };
ImageOrientation m_orientation { ImageOrientation::None };
InterpolationQuality m_interpolationQuality { InterpolationQuality::Default };
};
template<class Encoder>
void ImagePaintingOptions::encode(Encoder& encoder) const
{
encoder << m_compositeOperator;
encoder << m_blendMode;
encoder << m_decodingMode;
encoder << ImageOrientation::Orientation(m_orientation);
encoder << m_interpolationQuality;
}
template<class Decoder>
std::optional<ImagePaintingOptions> ImagePaintingOptions::decode(Decoder& decoder)
{
std::optional<CompositeOperator> compositeOperator;
decoder >> compositeOperator;
if (!compositeOperator)
return std::nullopt;
std::optional<BlendMode> blendMode;
decoder >> blendMode;
if (!blendMode)
return std::nullopt;
std::optional<DecodingMode> decodingMode;
decoder >> decodingMode;
if (!decodingMode)
return std::nullopt;
std::optional<ImageOrientation::Orientation> orientation;
decoder >> orientation;
if (!orientation)
return std::nullopt;
std::optional<InterpolationQuality> interpolationQuality;
decoder >> interpolationQuality;
if (!interpolationQuality)
return std::nullopt;
return ImagePaintingOptions { *compositeOperator, *blendMode, *decodingMode, *orientation, *interpolationQuality };
}
}
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