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/*
* 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 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,
* 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/CSSPathFunction.h>
#include <WebCore/StyleFillRule.h>
#include <WebCore/StylePathComputation.h>
#include <WebCore/StylePrimitiveNumericTypes.h>
#include <WebCore/StyleWindRuleComputation.h>
namespace WebCore {
namespace Style {
enum class PathConversion : bool { None, ForceAbsolute };
struct Path {
struct Data {
SVGPathByteStream byteStream;
bool operator==(const Data&) const = default;
};
std::optional<FillRule> fillRule;
Data data;
float zoom { 1 };
bool operator==(const Path&) const = default;
};
using PathFunction = FunctionNotation<CSSValuePath, Path>;
template<size_t I> const auto& get(const Path& value)
{
if constexpr (!I)
return value.fillRule;
else if constexpr (I == 1)
return value.data;
else if constexpr (I == 2)
return value.zoom;
}
// MARK: - Conversion
// Non-standard parameters, `conversion` and `zoom`, are needed in some instances of Style <-> CSS conversions for Path.
template<> struct ToCSS<Path> { auto operator()(const Path&, const RenderStyle&, PathConversion = PathConversion::None) -> CSS::Path; };
template<> struct ToStyle<CSS::Path> { auto operator()(const CSS::Path&, const BuilderState&, std::optional<float> zoom = 1.0f) -> Path; };
template<> struct ToCSS<Path::Data> { auto operator()(const Path::Data&, const RenderStyle&, PathConversion = PathConversion::None) -> CSS::Path::Data; };
template<> struct ToStyle<CSS::Path::Data> { auto operator()(const CSS::Path::Data&, const BuilderState&) -> Path::Data; };
template<> struct CSSValueCreation<PathFunction> { Ref<CSSValue> operator()(CSSValuePool&, const RenderStyle&, const PathFunction&, PathConversion = PathConversion::None); };
// MARK: - Serialization
template<> struct Serialize<Path> { void operator()(StringBuilder&, const CSS::SerializationContext&, const RenderStyle&, const Path&, PathConversion = PathConversion::None); };
// MARK: - Path
template<> struct PathComputation<Path> { WebCore::Path operator()(const Path&, const FloatRect&); };
// MARK: - Wind Rule
template<> struct WindRuleComputation<Path> { WebCore::WindRule operator()(const Path&); };
// MARK: - Blending
template<> struct Blending<Path> {
auto canBlend(const Path&, const Path&) -> bool;
auto blend(const Path&, const Path&, const BlendingContext&) -> Path;
};
// MARK: - Logging
WTF::TextStream& operator<<(WTF::TextStream&, const Path::Data&);
} // namespace Style
} // namespace WebCore
DEFINE_TUPLE_LIKE_CONFORMANCE(WebCore::Style::Path, 2)
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