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/*
* Copyright (C) 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,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* 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 "BoxSides.h"
#include <array>
#include <type_traits>
#include <wtf/text/TextStream.h>
namespace WebCore {
template<typename T> class RectCorners {
public:
RectCorners() requires (std::is_default_constructible_v<T>)
: m_corners { }
{
}
RectCorners(const T& value)
: m_corners { value, value, value, value }
{
}
RectCorners(const RectCorners&) = default;
RectCorners& operator=(const RectCorners&) = default;
template<typename U>
RectCorners(U&& topLeft, U&& topRight, U&& bottomLeft, U&& bottomRight)
: m_corners({ { std::forward<U>(topLeft), std::forward<U>(topRight), std::forward<U>(bottomLeft), std::forward<U>(bottomRight) } })
{
}
template<typename U>
RectCorners(const RectCorners<U>& other)
: RectCorners(other.topLeft(), other.topRight(), other.bottomLeft(), other.bottomRight())
{
}
T& at(BoxCorner corner) { return m_corners[static_cast<size_t>(corner)]; }
T& operator[](BoxCorner corner) { return m_corners[static_cast<size_t>(corner)]; }
T& topLeft() { return at(BoxCorner::TopLeft); }
T& topRight() { return at(BoxCorner::TopRight); }
T& bottomLeft() { return at(BoxCorner::BottomLeft); }
T& bottomRight() { return at(BoxCorner::BottomRight); }
const T& at(BoxCorner corner) const { return m_corners[static_cast<size_t>(corner)]; }
const T& operator[](BoxCorner corner) const { return m_corners[static_cast<size_t>(corner)]; }
const T& topLeft() const { return at(BoxCorner::TopLeft); }
const T& topRight() const { return at(BoxCorner::TopRight); }
const T& bottomLeft() const { return at(BoxCorner::BottomLeft); }
const T& bottomRight() const { return at(BoxCorner::BottomRight); }
void setAt(BoxCorner corner, const T& v) { at(corner) = v; }
void setTopLeft(const T& topLeft) { setAt(BoxCorner::TopLeft, topLeft); }
void setTopRight(const T& topRight) { setAt(BoxCorner::TopRight, topRight); }
void setBottomLeft(const T& bottomLeft) { setAt(BoxCorner::BottomLeft, bottomLeft); }
void setBottomRight(const T& bottomRight) { setAt(BoxCorner::BottomRight, bottomRight); }
template<typename F> bool anyOf(F&& functor) const
{
return std::ranges::any_of(m_corners, std::forward<F>(functor));
}
template<typename F> bool allOf(F&& functor) const
{
return std::ranges::all_of(m_corners, std::forward<F>(functor));
}
template<typename F> bool noneOf(F&& functor) const
{
return std::ranges::none_of(m_corners, std::forward<F>(functor));
}
bool isZero() const
{
return allOf([](auto& corner) { return !corner; });
}
bool operator==(const RectCorners<T>&) const = default;
private:
std::array<T, 4> m_corners;
};
template<typename T>
TextStream& operator<<(TextStream& ts, const RectCorners<T>& corners)
{
return ts << "[topLeft "_s << corners.topLeft() << " topRight "_s << corners.topRight() << " bottomLeft "_s << corners.bottomLeft() << " bottomRight "_s << corners.bottomRight() << ']';
}
} // namespace WebCore
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