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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 "CSSPrimitiveNumericTypes.h"
namespace WebCore {
namespace CSS {
// <'border-radius'> = <length-percentage [0,∞]>{1,4} [ / <length-percentage [0,∞]>{1,4} ]?
// https://drafts.csswg.org/css-backgrounds-3/#propdef-border-radius
struct BorderRadius {
using Axis = SpaceSeparatedArray<LengthPercentage<Nonnegative>, 4>;
using Corner = SpaceSeparatedSize<LengthPercentage<Nonnegative>>;
static BorderRadius defaultValue();
Axis horizontal;
Axis vertical;
Corner topLeft() const { return { horizontal.value[0], vertical.value[0] }; }
Corner topRight() const { return { horizontal.value[1], vertical.value[1] }; }
Corner bottomRight() const { return { horizontal.value[2], vertical.value[2] }; }
Corner bottomLeft() const { return { horizontal.value[3], vertical.value[3] }; }
bool operator==(const BorderRadius&) const = default;
};
template<size_t I> const auto& get(const BorderRadius& value)
{
if constexpr (!I)
return value.horizontal;
else if constexpr (I == 1)
return value.vertical;
}
// Returns true if the provided `BorderRadius` contains the default value. This
// is used to know ahead of time if serialization is needed.
bool hasDefaultValue(const BorderRadius&);
inline BorderRadius BorderRadius::defaultValue()
{
return BorderRadius {
.horizontal = { 0_css_px, 0_css_px, 0_css_px, 0_css_px },
.vertical = { 0_css_px, 0_css_px, 0_css_px, 0_css_px },
};
}
template<> struct Serialize<BorderRadius> { void operator()(StringBuilder&, const SerializationContext&, const BorderRadius&); };
} // namespace CSS
} // namespace WebCore
DEFINE_TUPLE_LIKE_CONFORMANCE(WebCore::CSS::BorderRadius, 2)
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