124 lines
4.6 KiB
C++
124 lines
4.6 KiB
C++
/*
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* Copyright (C) 2019 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include "DecodingOptions.h"
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#include "GraphicsTypes.h"
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#include "ImageOrientation.h"
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namespace WebCore {
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struct ImagePaintingOptions {
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template<typename... Options>
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ImagePaintingOptions(Options... options)
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{
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setOption(options...);
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}
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template<typename... Overrides>
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ImagePaintingOptions(const ImagePaintingOptions& other, Overrides... overrides)
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: ImagePaintingOptions(other)
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{
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setOption(overrides...);
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}
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ImagePaintingOptions() = default;
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ImagePaintingOptions(const ImagePaintingOptions&) = default;
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CompositeOperator compositeOperator() const { return m_compositeOperator; }
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BlendMode blendMode() const { return m_blendMode; }
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DecodingMode decodingMode() const { return m_decodingMode; }
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ImageOrientation orientation() const { return m_orientation; }
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InterpolationQuality interpolationQuality() const { return m_interpolationQuality; }
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template<class Encoder> void encode(Encoder&) const;
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template<class Decoder> static std::optional<ImagePaintingOptions> decode(Decoder&);
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private:
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template <typename First, typename... Rest>
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void setOption(First first, Rest... rest)
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{
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setOption(first);
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setOption(rest...);
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}
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void setOption(CompositeOperator compositeOperator) { m_compositeOperator = compositeOperator; }
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void setOption(BlendMode blendMode) { m_blendMode = blendMode; }
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void setOption(DecodingMode decodingMode) { m_decodingMode = decodingMode; }
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void setOption(ImageOrientation orientation) { m_orientation = orientation; }
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void setOption(ImageOrientation::Orientation orientation) { m_orientation = orientation; }
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void setOption(InterpolationQuality interpolationQuality) { m_interpolationQuality = interpolationQuality; }
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CompositeOperator m_compositeOperator { CompositeOperator::SourceOver };
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BlendMode m_blendMode { BlendMode::Normal };
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DecodingMode m_decodingMode { DecodingMode::Synchronous };
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ImageOrientation m_orientation { ImageOrientation::None };
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InterpolationQuality m_interpolationQuality { InterpolationQuality::Default };
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};
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template<class Encoder>
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void ImagePaintingOptions::encode(Encoder& encoder) const
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{
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encoder << m_compositeOperator;
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encoder << m_blendMode;
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encoder << m_decodingMode;
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encoder << ImageOrientation::Orientation(m_orientation);
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encoder << m_interpolationQuality;
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}
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template<class Decoder>
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std::optional<ImagePaintingOptions> ImagePaintingOptions::decode(Decoder& decoder)
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{
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std::optional<CompositeOperator> compositeOperator;
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decoder >> compositeOperator;
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if (!compositeOperator)
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return std::nullopt;
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std::optional<BlendMode> blendMode;
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decoder >> blendMode;
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if (!blendMode)
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return std::nullopt;
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std::optional<DecodingMode> decodingMode;
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decoder >> decodingMode;
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if (!decodingMode)
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return std::nullopt;
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std::optional<ImageOrientation::Orientation> orientation;
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decoder >> orientation;
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if (!orientation)
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return std::nullopt;
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std::optional<InterpolationQuality> interpolationQuality;
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decoder >> interpolationQuality;
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if (!interpolationQuality)
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return std::nullopt;
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return ImagePaintingOptions { *compositeOperator, *blendMode, *decodingMode, *orientation, *interpolationQuality };
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}
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}
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