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// Copyright (C) 2022 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QPOINT_H
#define QPOINT_H
#include <QtCore/qnamespace.h>
#if defined(Q_OS_DARWIN) || defined(Q_QDOC)
struct CGPoint;
#endif
QT_BEGIN_NAMESPACE
class QPointF;
class QPoint
{
public:
constexpr QPoint() noexcept;
constexpr QPoint(int xpos, int ypos) noexcept;
constexpr inline bool isNull() const noexcept;
constexpr inline int x() const noexcept;
constexpr inline int y() const noexcept;
constexpr inline void setX(int x) noexcept;
constexpr inline void setY(int y) noexcept;
constexpr inline int manhattanLength() const;
constexpr QPoint transposed() const noexcept { return {yp, xp}; }
constexpr inline int &rx() noexcept;
constexpr inline int &ry() noexcept;
constexpr inline QPoint &operator+=(const QPoint &p);
constexpr inline QPoint &operator-=(const QPoint &p);
constexpr inline QPoint &operator*=(float factor);
constexpr inline QPoint &operator*=(double factor);
constexpr inline QPoint &operator*=(int factor);
constexpr inline QPoint &operator/=(qreal divisor);
constexpr static inline int dotProduct(const QPoint &p1, const QPoint &p2)
{ return p1.xp * p2.xp + p1.yp * p2.yp; }
friend constexpr inline bool operator==(const QPoint &p1, const QPoint &p2) noexcept
{ return p1.xp == p2.xp && p1.yp == p2.yp; }
friend constexpr inline bool operator!=(const QPoint &p1, const QPoint &p2) noexcept
{ return p1.xp != p2.xp || p1.yp != p2.yp; }
friend constexpr inline QPoint operator+(const QPoint &p1, const QPoint &p2) noexcept
{ return QPoint(p1.xp + p2.xp, p1.yp + p2.yp); }
friend constexpr inline QPoint operator-(const QPoint &p1, const QPoint &p2) noexcept
{ return QPoint(p1.xp - p2.xp, p1.yp - p2.yp); }
friend constexpr inline QPoint operator*(const QPoint &p, float factor)
{ return QPoint(qRound(p.xp * factor), qRound(p.yp * factor)); }
friend constexpr inline QPoint operator*(const QPoint &p, double factor)
{ return QPoint(qRound(p.xp * factor), qRound(p.yp * factor)); }
friend constexpr inline QPoint operator*(const QPoint &p, int factor) noexcept
{ return QPoint(p.xp * factor, p.yp * factor); }
friend constexpr inline QPoint operator*(float factor, const QPoint &p)
{ return QPoint(qRound(p.xp * factor), qRound(p.yp * factor)); }
friend constexpr inline QPoint operator*(double factor, const QPoint &p)
{ return QPoint(qRound(p.xp * factor), qRound(p.yp * factor)); }
friend constexpr inline QPoint operator*(int factor, const QPoint &p) noexcept
{ return QPoint(p.xp * factor, p.yp * factor); }
friend constexpr inline QPoint operator+(const QPoint &p) noexcept
{ return p; }
friend constexpr inline QPoint operator-(const QPoint &p) noexcept
{ return QPoint(-p.xp, -p.yp); }
friend constexpr inline QPoint operator/(const QPoint &p, qreal c)
{ return QPoint(qRound(p.xp / c), qRound(p.yp / c)); }
#if defined(Q_OS_DARWIN) || defined(Q_QDOC)
[[nodiscard]] Q_CORE_EXPORT CGPoint toCGPoint() const noexcept;
#endif
[[nodiscard]] constexpr inline QPointF toPointF() const noexcept;
private:
friend class QTransform;
int xp;
int yp;
template <std::size_t I,
typename P,
std::enable_if_t<(I < 2), bool> = true,
std::enable_if_t<std::is_same_v<std::decay_t<P>, QPoint>, bool> = true>
friend constexpr decltype(auto) get(P &&p) noexcept
{
if constexpr (I == 0)
return (std::forward<P>(p).xp);
else if constexpr (I == 1)
return (std::forward<P>(p).yp);
}
};
Q_DECLARE_TYPEINFO(QPoint, Q_PRIMITIVE_TYPE);
/*****************************************************************************
QPoint stream functions
*****************************************************************************/
#ifndef QT_NO_DATASTREAM
Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QPoint &);
Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QPoint &);
#endif
/*****************************************************************************
QPoint inline functions
*****************************************************************************/
constexpr inline QPoint::QPoint() noexcept : xp(0), yp(0) {}
constexpr inline QPoint::QPoint(int xpos, int ypos) noexcept : xp(xpos), yp(ypos) {}
constexpr inline bool QPoint::isNull() const noexcept
{
return xp == 0 && yp == 0;
}
constexpr inline int QPoint::x() const noexcept
{
return xp;
}
constexpr inline int QPoint::y() const noexcept
{
return yp;
}
constexpr inline void QPoint::setX(int xpos) noexcept
{
xp = xpos;
}
constexpr inline void QPoint::setY(int ypos) noexcept
{
yp = ypos;
}
inline int constexpr QPoint::manhattanLength() const
{
return qAbs(x()) + qAbs(y());
}
constexpr inline int &QPoint::rx() noexcept
{
return xp;
}
constexpr inline int &QPoint::ry() noexcept
{
return yp;
}
constexpr inline QPoint &QPoint::operator+=(const QPoint &p)
{
xp += p.xp;
yp += p.yp;
return *this;
}
constexpr inline QPoint &QPoint::operator-=(const QPoint &p)
{
xp -= p.xp;
yp -= p.yp;
return *this;
}
constexpr inline QPoint &QPoint::operator*=(float factor)
{
xp = qRound(xp * factor);
yp = qRound(yp * factor);
return *this;
}
constexpr inline QPoint &QPoint::operator*=(double factor)
{
xp = qRound(xp * factor);
yp = qRound(yp * factor);
return *this;
}
constexpr inline QPoint &QPoint::operator*=(int factor)
{
xp = xp * factor;
yp = yp * factor;
return *this;
}
constexpr inline QPoint &QPoint::operator/=(qreal c)
{
xp = qRound(xp / c);
yp = qRound(yp / c);
return *this;
}
#ifndef QT_NO_DEBUG_STREAM
Q_CORE_EXPORT QDebug operator<<(QDebug, const QPoint &);
#endif
Q_CORE_EXPORT size_t qHash(QPoint key, size_t seed = 0) noexcept;
class QPointF
{
public:
constexpr QPointF() noexcept;
constexpr QPointF(const QPoint &p) noexcept;
constexpr QPointF(qreal xpos, qreal ypos) noexcept;
constexpr inline qreal manhattanLength() const;
inline bool isNull() const noexcept;
constexpr inline qreal x() const noexcept;
constexpr inline qreal y() const noexcept;
constexpr inline void setX(qreal x) noexcept;
constexpr inline void setY(qreal y) noexcept;
constexpr QPointF transposed() const noexcept { return {yp, xp}; }
constexpr inline qreal &rx() noexcept;
constexpr inline qreal &ry() noexcept;
constexpr inline QPointF &operator+=(const QPointF &p);
constexpr inline QPointF &operator-=(const QPointF &p);
constexpr inline QPointF &operator*=(qreal c);
constexpr inline QPointF &operator/=(qreal c);
constexpr static inline qreal dotProduct(const QPointF &p1, const QPointF &p2)
{
return p1.xp * p2.xp + p1.yp * p2.yp;
}
QT_WARNING_PUSH
QT_WARNING_DISABLE_FLOAT_COMPARE
friend constexpr inline bool operator==(const QPointF &p1, const QPointF &p2)
{
return ((!p1.xp || !p2.xp) ? qFuzzyIsNull(p1.xp - p2.xp) : qFuzzyCompare(p1.xp, p2.xp))
&& ((!p1.yp || !p2.yp) ? qFuzzyIsNull(p1.yp - p2.yp) : qFuzzyCompare(p1.yp, p2.yp));
}
friend constexpr inline bool operator!=(const QPointF &p1, const QPointF &p2)
{
return !(p1 == p2);
}
QT_WARNING_POP
friend constexpr inline QPointF operator+(const QPointF &p1, const QPointF &p2)
{ return QPointF(p1.xp + p2.xp, p1.yp + p2.yp); }
friend constexpr inline QPointF operator-(const QPointF &p1, const QPointF &p2)
{ return QPointF(p1.xp - p2.xp, p1.yp - p2.yp); }
friend constexpr inline QPointF operator*(const QPointF &p, qreal c)
{ return QPointF(p.xp * c, p.yp * c); }
friend constexpr inline QPointF operator*(qreal c, const QPointF &p)
{ return QPointF(p.xp * c, p.yp * c); }
friend constexpr inline QPointF operator+(const QPointF &p)
{ return p; }
friend constexpr inline QPointF operator-(const QPointF &p)
{ return QPointF(-p.xp, -p.yp); }
friend constexpr inline QPointF operator/(const QPointF &p, qreal divisor)
{
Q_ASSERT(divisor < 0 || divisor > 0);
return QPointF(p.xp / divisor, p.yp / divisor);
}
constexpr QPoint toPoint() const;
#if defined(Q_OS_DARWIN) || defined(Q_QDOC)
[[nodiscard]] Q_CORE_EXPORT static QPointF fromCGPoint(CGPoint point) noexcept;
[[nodiscard]] Q_CORE_EXPORT CGPoint toCGPoint() const noexcept;
#endif
private:
friend class QTransform;
qreal xp;
qreal yp;
template <std::size_t I,
typename P,
std::enable_if_t<(I < 2), bool> = true,
std::enable_if_t<std::is_same_v<std::decay_t<P>, QPointF>, bool> = true>
friend constexpr decltype(auto) get(P &&p) noexcept
{
if constexpr (I == 0)
return (std::forward<P>(p).xp);
else if constexpr (I == 1)
return (std::forward<P>(p).yp);
}
};
Q_DECLARE_TYPEINFO(QPointF, Q_PRIMITIVE_TYPE);
size_t qHash(QPointF, size_t seed = 0) = delete;
/*****************************************************************************
QPointF stream functions
*****************************************************************************/
#ifndef QT_NO_DATASTREAM
Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QPointF &);
Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QPointF &);
#endif
/*****************************************************************************
QPointF inline functions
*****************************************************************************/
constexpr inline QPointF::QPointF() noexcept : xp(0), yp(0) { }
constexpr inline QPointF::QPointF(qreal xpos, qreal ypos) noexcept : xp(xpos), yp(ypos) { }
constexpr inline QPointF::QPointF(const QPoint &p) noexcept : xp(p.x()), yp(p.y()) { }
constexpr inline qreal QPointF::manhattanLength() const
{
return qAbs(x()) + qAbs(y());
}
inline bool QPointF::isNull() const noexcept
{
return qIsNull(xp) && qIsNull(yp);
}
constexpr inline qreal QPointF::x() const noexcept
{
return xp;
}
constexpr inline qreal QPointF::y() const noexcept
{
return yp;
}
constexpr inline void QPointF::setX(qreal xpos) noexcept
{
xp = xpos;
}
constexpr inline void QPointF::setY(qreal ypos) noexcept
{
yp = ypos;
}
constexpr inline qreal &QPointF::rx() noexcept
{
return xp;
}
constexpr inline qreal &QPointF::ry() noexcept
{
return yp;
}
constexpr inline QPointF &QPointF::operator+=(const QPointF &p)
{
xp += p.xp;
yp += p.yp;
return *this;
}
constexpr inline QPointF &QPointF::operator-=(const QPointF &p)
{
xp -= p.xp;
yp -= p.yp;
return *this;
}
constexpr inline QPointF &QPointF::operator*=(qreal c)
{
xp *= c;
yp *= c;
return *this;
}
constexpr inline QPointF &QPointF::operator/=(qreal divisor)
{
Q_ASSERT(divisor > 0 || divisor < 0);
xp /= divisor;
yp /= divisor;
return *this;
}
constexpr QPointF QPoint::toPointF() const noexcept { return *this; }
constexpr inline QPoint QPointF::toPoint() const
{
return QPoint(qRound(xp), qRound(yp));
}
#ifndef QT_NO_DEBUG_STREAM
Q_CORE_EXPORT QDebug operator<<(QDebug d, const QPointF &p);
#endif
QT_END_NAMESPACE
/*****************************************************************************
QPoint/QPointF tuple protocol
*****************************************************************************/
namespace std {
template <>
class tuple_size<QT_PREPEND_NAMESPACE(QPoint)> : public integral_constant<size_t, 2> {};
template <>
class tuple_element<0, QT_PREPEND_NAMESPACE(QPoint)> { public: using type = int; };
template <>
class tuple_element<1, QT_PREPEND_NAMESPACE(QPoint)> { public: using type = int; };
template <>
class tuple_size<QT_PREPEND_NAMESPACE(QPointF)> : public integral_constant<size_t, 2> {};
template <>
class tuple_element<0, QT_PREPEND_NAMESPACE(QPointF)> { public: using type = QT_PREPEND_NAMESPACE(qreal); };
template <>
class tuple_element<1, QT_PREPEND_NAMESPACE(QPointF)> { public: using type = QT_PREPEND_NAMESPACE(qreal); };
}
#endif // QPOINT_H