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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.
*/
#pragma once
#include "CSSGradient.h"
#include "CSSPosition.h"
#include "CSSPrimitiveNumericTypes.h"
namespace WebCore {
namespace CSS {
// <ellipse()> = ellipse( <radial-size>? [ at <position> ]? )
// https://drafts.csswg.org/css-shapes-1/#funcdef-basic-shape-ellipse
struct Ellipse {
using Extent = std::variant<Keyword::ClosestCorner, Keyword::ClosestSide, Keyword::FarthestCorner, Keyword::FarthestSide>;
using Length = CSS::LengthPercentage<Nonnegative>;
using RadialSize = std::variant<Length, Extent>;
// FIXME: The spec says that this should take only a single RadialSize, not a pair, but this does not match the tests.
SpaceSeparatedPair<RadialSize> radii;
std::optional<Position> position;
bool operator==(const Ellipse&) const = default;
};
using EllipseFunction = FunctionNotation<CSSValueEllipse, Ellipse>;
template<size_t I> const auto& get(const Ellipse& value)
{
if constexpr (!I)
return value.radii;
else if constexpr (I == 1)
return value.position;
}
template<> struct Serialize<Ellipse> { void operator()(StringBuilder&, const SerializationContext&, const Ellipse&); };
} // namespace CSS
} // namespace WebCore
DEFINE_TUPLE_LIKE_CONFORMANCE(WebCore::CSS::Ellipse, 2)
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