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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 "CSSPosition.h"
#include "CSSPrimitiveNumericTypes.h"
namespace WebCore {
namespace CSS {
using RaySize = std::variant<Keyword::ClosestCorner, Keyword::ClosestSide, Keyword::FarthestCorner, Keyword::FarthestSide, Keyword::Sides>;
// ray() = ray( <angle> && <ray-size>? && contain? && [at <position>]? )
// <ray-size> = closest-side | closest-corner | farthest-side | farthest-corner | sides
// https://drafts.fxtf.org/motion-1/#ray-function
struct Ray {
Angle<> angle;
RaySize size;
std::optional<Keyword::Contain> contain;
std::optional<Position> position;
bool operator==(const Ray&) const = default;
};
using RayFunction = FunctionNotation<CSSValueRay, Ray>;
template<size_t I> const auto& get(const Ray& value)
{
if constexpr (!I)
return value.angle;
else if constexpr (I == 1)
return value.size;
else if constexpr (I == 2)
return value.contain;
else if constexpr (I == 3)
return value.position;
}
template<> struct Serialize<Ray> { void operator()(StringBuilder&, const SerializationContext&, const Ray&); };
} // namespace CSS
} // namespace WebCore
DEFINE_TUPLE_LIKE_CONFORMANCE(WebCore::CSS::Ray, 4)
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