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/*
* Copyright (C) 2012 Adobe Systems Incorporated. All rights reserved.
* Copyright (C) 2024-2025 Samuel Weinig <sam@webkit.org>
*
* 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 THE COPYRIGHT HOLDER "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 THE COPYRIGHT HOLDER 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 <WebCore/StylePathFunction.h>
namespace WebCore {
namespace Style {
// <'d'> = none | <path()>
// https://svgwg.org/svg2-draft/paths.html#DProperty
// NOTE: The type is `SVGPathData` as `D` is just a bit too opaque.
struct SVGPathData {
SVGPathData(CSS::Keyword::None)
{
}
SVGPathData(PathFunction&& path)
: m_path { WTFMove(path) }
{
}
bool isNone() const { return !m_path; }
bool isPath() const { return !!m_path; }
const std::optional<PathFunction>& tryPath() const LIFETIME_BOUND { return m_path; }
template<typename... F> decltype(auto) switchOn(F&&... f) const
{
auto visitor = WTF::makeVisitor(std::forward<F>(f)...);
if (isNone())
return visitor(CSS::Keyword::None { });
return visitor(*m_path);
}
bool operator==(const SVGPathData&) const = default;
private:
std::optional<PathFunction> m_path { };
};
// MARK: - Conversion
template<> struct CSSValueConversion<SVGPathData> { auto operator()(BuilderState&, const CSSValue&) -> SVGPathData; };
template<> struct CSSValueCreation<SVGPathData> { auto operator()(CSSValuePool&, const RenderStyle&, const SVGPathData&) -> Ref<CSSValue>; };
// MARK: - Serialization
template<> struct Serialize<SVGPathData> { void operator()(StringBuilder&, const CSS::SerializationContext&, const RenderStyle&, const SVGPathData&); };
// MARK: - Blending
template<> struct Blending<SVGPathData> {
auto canBlend(const SVGPathData&, const SVGPathData&) -> bool;
auto blend(const SVGPathData&, const SVGPathData&, const BlendingContext&) -> SVGPathData;
};
} // namespace Style
} // namespace WebCore
DEFINE_VARIANT_LIKE_CONFORMANCE(WebCore::Style::SVGPathData)
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