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/*
* Copyright (C) 2025 Apple Inc. All rights reserved.
*
* 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. AND ITS CONTRIBUTORS ``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 ITS 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 <WebCore/DoubleSize.h>
#include <WebCore/IntPoint.h>
#include <wtf/Platform.h>
#include <wtf/TZoneMalloc.h>
#if USE(CG)
typedef struct CGPoint CGPoint;
#endif
#if PLATFORM(MAC)
typedef struct CGPoint NSPoint;
#endif // PLATFORM(MAC)
namespace WTF {
class TextStream;
}
namespace WebCore {
class IntSize;
class DoublePoint {
WTF_MAKE_TZONE_ALLOCATED(DoublePoint);
public:
constexpr DoublePoint() = default;
constexpr DoublePoint(double x, double y) : m_x(x), m_y(y) { }
WEBCORE_EXPORT DoublePoint(const IntPoint&);
explicit DoublePoint(const DoubleSize& size)
: m_x(size.width()), m_y(size.height()) { }
static constexpr DoublePoint zero() { return DoublePoint(); }
constexpr bool isZero() const { return !m_x && !m_y; }
constexpr double x() const { return m_x; }
constexpr double y() const { return m_y; }
void move(double dx, double dy)
{
m_x += dx;
m_y += dy;
}
void move(const IntSize& a)
{
m_x += a.width();
m_y += a.height();
}
void move(const DoubleSize& a)
{
m_x += a.width();
m_y += a.height();
}
void moveBy(const DoublePoint& a)
{
m_x += a.x();
m_y += a.y();
}
void scale(double scale)
{
m_x *= scale;
m_y *= scale;
}
constexpr DoublePoint scaled(double scale) const
{
return { m_x * scale, m_y * scale };
}
#if USE(CG)
WEBCORE_EXPORT DoublePoint(const CGPoint&);
WEBCORE_EXPORT operator CGPoint() const;
CGPoint toCG() const { return static_cast<CGPoint>(*this); }
#endif
#if PLATFORM(WIN)
WEBCORE_EXPORT DoublePoint(const POINT&);
#endif
WEBCORE_EXPORT String toJSONString() const;
WEBCORE_EXPORT Ref<JSON::Object> toJSONObject() const;
friend bool operator==(const DoublePoint&, const DoublePoint&) = default;
private:
double m_x { 0 };
double m_y { 0 };
};
constexpr DoublePoint operator+(const DoublePoint& a, const DoubleSize& b)
{
return DoublePoint(a.x() + b.width(), a.y() + b.height());
}
constexpr DoublePoint operator+(const DoublePoint& a, const DoublePoint& b)
{
return DoublePoint(a.x() + b.x(), a.y() + b.y());
}
constexpr DoubleSize operator-(const DoublePoint& a, const DoublePoint& b)
{
return DoubleSize(a.x() - b.x(), a.y() - b.y());
}
constexpr DoublePoint operator-(const DoublePoint& a, const DoubleSize& b)
{
return DoublePoint(a.x() - b.width(), a.y() - b.height());
}
inline IntPoint flooredIntPoint(const DoublePoint& p)
{
return IntPoint(clampToInteger(floor(p.x())), clampToInteger(floor(p.y())));
}
inline IntPoint roundedIntPoint(const DoublePoint& p)
{
return IntPoint(clampToInteger(round(p.x())), clampToInteger(round(p.y())));
}
inline DoubleSize toDoubleSize(const DoublePoint& a)
{
return DoubleSize(a.x(), a.y());
}
WEBCORE_EXPORT WTF::TextStream& operator<<(WTF::TextStream&, const DoublePoint&);
} // namespace WebCore
namespace WTF {
template<typename Type> struct LogArgument;
template <>
struct LogArgument<WebCore::DoublePoint> {
static String toString(const WebCore::DoublePoint& point)
{
return point.toJSONString();
}
};
} // namespace WTF
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