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/*
* Copyright (C) 2024 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.
*/
#include "config.h"
#include "StyleBasicShape.h"
#include "StylePrimitiveNumericTypes+Blending.h"
#include "StylePrimitiveNumericTypes+Conversions.h"
namespace WebCore {
namespace Style {
// MARK: - Conversion
auto ToCSS<BasicShape>::operator()(const BasicShape& value, const RenderStyle& style) -> CSS::BasicShape
{
return WTF::switchOn(value, [&](const auto& alternative) { return CSS::BasicShape { toCSS(alternative, style) }; });
}
auto ToStyle<CSS::BasicShape>::operator()(const CSS::BasicShape& value, const BuilderState& builderState) -> BasicShape
{
return WTF::switchOn(value, [&](const auto& alternative) { return BasicShape { toStyle(alternative, builderState) }; });
}
// MARK: - Blending
auto Blending<BasicShape>::canBlend(const BasicShape& a, const BasicShape& b) -> bool
{
return std::visit(WTF::makeVisitor(
[]<typename T>(const T& a, const T& b) {
return WebCore::Style::canBlend(a, b);
},
[](const ShapeFunction& a, const PathFunction& b) {
return canBlendShapeWithPath(*a, *b);
},
[](const PathFunction& a, const ShapeFunction& b) {
return canBlendShapeWithPath(*b, *a);
},
[](const auto&, const auto&) {
return false;
}
), a, b);
}
auto Blending<BasicShape>::blend(const BasicShape& a, const BasicShape& b, const BlendingContext& context) -> BasicShape
{
return std::visit(WTF::makeVisitor(
[&]<typename T>(const T& a, const T& b) -> BasicShape {
return { WebCore::Style::blend(a, b, context) };
},
[&](const ShapeFunction& a, const PathFunction& b) -> BasicShape {
return { WebCore::Style::blend(a, ShapeFunction { *makeShapeFromPath(*b) }, context) };
},
[&](const PathFunction& a, const ShapeFunction& b) -> BasicShape {
return { WebCore::Style::blend(ShapeFunction { *makeShapeFromPath(*a) }, b, context) };
},
[&](const auto&, const auto&) -> BasicShape {
RELEASE_ASSERT_NOT_REACHED();
}
), a, b);
}
// MARK: - Path
WebCore::Path PathComputation<BasicShape>::operator()(const BasicShape& shape, const FloatRect& rect)
{
return WTF::switchOn(shape, [&](const auto& shape) { return WebCore::Style::path(shape, rect); });
}
// MARK: - Winding
WindRule WindRuleComputation<BasicShape>::operator()(const BasicShape& shape)
{
return WTF::switchOn(shape,
[&](const Style::PathFunction& path) { return WebCore::Style::windRule(path); },
[&](const Style::PolygonFunction& polygon) { return WebCore::Style::windRule(polygon); },
[&](const Style::ShapeFunction& shape) { return WebCore::Style::windRule(shape); },
[&](const auto&) { return WindRule::NonZero; }
);
}
} // namespace Style
} // namespace WebCore
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