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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QVECTOR2D_H
#define QVECTOR2D_H
#include <QtGui/qtguiglobal.h>
#include <QtCore/qpoint.h>
#include <QtCore/qmetatype.h>
QT_BEGIN_NAMESPACE
class QVector3D;
class QVector4D;
class QVariant;
#ifndef QT_NO_VECTOR2D
class Q_GUI_EXPORT QVector2D
{
public:
Q_DECL_CONSTEXPR QVector2D();
explicit QVector2D(Qt::Initialization) {}
Q_DECL_CONSTEXPR QVector2D(float xpos, float ypos);
Q_DECL_CONSTEXPR explicit QVector2D(const QPoint& point);
Q_DECL_CONSTEXPR explicit QVector2D(const QPointF& point);
#ifndef QT_NO_VECTOR3D
explicit QVector2D(const QVector3D& vector);
#endif
#ifndef QT_NO_VECTOR4D
explicit QVector2D(const QVector4D& vector);
#endif
bool isNull() const;
Q_DECL_CONSTEXPR float x() const;
Q_DECL_CONSTEXPR float y() const;
void setX(float x);
void setY(float y);
float &operator[](int i);
float operator[](int i) const;
float length() const;
float lengthSquared() const; //In Qt 6 convert to inline and constexpr
QVector2D normalized() const Q_REQUIRED_RESULT;
void normalize();
float distanceToPoint(const QVector2D &point) const;
float distanceToLine(const QVector2D& point, const QVector2D& direction) const;
QVector2D &operator+=(const QVector2D &vector);
QVector2D &operator-=(const QVector2D &vector);
QVector2D &operator*=(float factor);
QVector2D &operator*=(const QVector2D &vector);
QVector2D &operator/=(float divisor);
inline QVector2D &operator/=(const QVector2D &vector);
static float dotProduct(const QVector2D& v1, const QVector2D& v2); //In Qt 6 convert to inline and constexpr
Q_DECL_CONSTEXPR friend inline bool operator==(const QVector2D &v1, const QVector2D &v2);
Q_DECL_CONSTEXPR friend inline bool operator!=(const QVector2D &v1, const QVector2D &v2);
Q_DECL_CONSTEXPR friend inline const QVector2D operator+(const QVector2D &v1, const QVector2D &v2);
Q_DECL_CONSTEXPR friend inline const QVector2D operator-(const QVector2D &v1, const QVector2D &v2);
Q_DECL_CONSTEXPR friend inline const QVector2D operator*(float factor, const QVector2D &vector);
Q_DECL_CONSTEXPR friend inline const QVector2D operator*(const QVector2D &vector, float factor);
Q_DECL_CONSTEXPR friend inline const QVector2D operator*(const QVector2D &v1, const QVector2D &v2);
Q_DECL_CONSTEXPR friend inline const QVector2D operator-(const QVector2D &vector);
Q_DECL_CONSTEXPR friend inline const QVector2D operator/(const QVector2D &vector, float divisor);
Q_DECL_CONSTEXPR friend inline const QVector2D operator/(const QVector2D &vector, const QVector2D &divisor);
Q_DECL_CONSTEXPR friend inline bool qFuzzyCompare(const QVector2D& v1, const QVector2D& v2);
#ifndef QT_NO_VECTOR3D
QVector3D toVector3D() const;
#endif
#ifndef QT_NO_VECTOR4D
QVector4D toVector4D() const;
#endif
Q_DECL_CONSTEXPR QPoint toPoint() const;
Q_DECL_CONSTEXPR QPointF toPointF() const;
operator QVariant() const;
private:
float xp, yp;
friend class QVector3D;
friend class QVector4D;
};
Q_DECLARE_TYPEINFO(QVector2D, Q_PRIMITIVE_TYPE);
Q_DECL_CONSTEXPR inline QVector2D::QVector2D() : xp(0.0f), yp(0.0f) {}
Q_DECL_CONSTEXPR inline QVector2D::QVector2D(float xpos, float ypos) : xp(xpos), yp(ypos) {}
Q_DECL_CONSTEXPR inline QVector2D::QVector2D(const QPoint& point) : xp(point.x()), yp(point.y()) {}
Q_DECL_CONSTEXPR inline QVector2D::QVector2D(const QPointF& point) : xp(point.x()), yp(point.y()) {}
inline bool QVector2D::isNull() const
{
return qIsNull(xp) && qIsNull(yp);
}
Q_DECL_CONSTEXPR inline float QVector2D::x() const { return xp; }
Q_DECL_CONSTEXPR inline float QVector2D::y() const { return yp; }
inline void QVector2D::setX(float aX) { xp = aX; }
inline void QVector2D::setY(float aY) { yp = aY; }
inline float &QVector2D::operator[](int i)
{
Q_ASSERT(uint(i) < 2u);
return *(&xp + i);
}
inline float QVector2D::operator[](int i) const
{
Q_ASSERT(uint(i) < 2u);
return *(&xp + i);
}
inline QVector2D &QVector2D::operator+=(const QVector2D &vector)
{
xp += vector.xp;
yp += vector.yp;
return *this;
}
inline QVector2D &QVector2D::operator-=(const QVector2D &vector)
{
xp -= vector.xp;
yp -= vector.yp;
return *this;
}
inline QVector2D &QVector2D::operator*=(float factor)
{
xp *= factor;
yp *= factor;
return *this;
}
inline QVector2D &QVector2D::operator*=(const QVector2D &vector)
{
xp *= vector.xp;
yp *= vector.yp;
return *this;
}
inline QVector2D &QVector2D::operator/=(float divisor)
{
xp /= divisor;
yp /= divisor;
return *this;
}
inline QVector2D &QVector2D::operator/=(const QVector2D &vector)
{
xp /= vector.xp;
yp /= vector.yp;
return *this;
}
Q_DECL_CONSTEXPR inline bool operator==(const QVector2D &v1, const QVector2D &v2)
{
return v1.xp == v2.xp && v1.yp == v2.yp;
}
Q_DECL_CONSTEXPR inline bool operator!=(const QVector2D &v1, const QVector2D &v2)
{
return v1.xp != v2.xp || v1.yp != v2.yp;
}
Q_DECL_CONSTEXPR inline const QVector2D operator+(const QVector2D &v1, const QVector2D &v2)
{
return QVector2D(v1.xp + v2.xp, v1.yp + v2.yp);
}
Q_DECL_CONSTEXPR inline const QVector2D operator-(const QVector2D &v1, const QVector2D &v2)
{
return QVector2D(v1.xp - v2.xp, v1.yp - v2.yp);
}
Q_DECL_CONSTEXPR inline const QVector2D operator*(float factor, const QVector2D &vector)
{
return QVector2D(vector.xp * factor, vector.yp * factor);
}
Q_DECL_CONSTEXPR inline const QVector2D operator*(const QVector2D &vector, float factor)
{
return QVector2D(vector.xp * factor, vector.yp * factor);
}
Q_DECL_CONSTEXPR inline const QVector2D operator*(const QVector2D &v1, const QVector2D &v2)
{
return QVector2D(v1.xp * v2.xp, v1.yp * v2.yp);
}
Q_DECL_CONSTEXPR inline const QVector2D operator-(const QVector2D &vector)
{
return QVector2D(-vector.xp, -vector.yp);
}
Q_DECL_CONSTEXPR inline const QVector2D operator/(const QVector2D &vector, float divisor)
{
return QVector2D(vector.xp / divisor, vector.yp / divisor);
}
Q_DECL_CONSTEXPR inline const QVector2D operator/(const QVector2D &vector, const QVector2D &divisor)
{
return QVector2D(vector.xp / divisor.xp, vector.yp / divisor.yp);
}
Q_DECL_CONSTEXPR inline bool qFuzzyCompare(const QVector2D& v1, const QVector2D& v2)
{
return qFuzzyCompare(v1.xp, v2.xp) && qFuzzyCompare(v1.yp, v2.yp);
}
Q_DECL_CONSTEXPR inline QPoint QVector2D::toPoint() const
{
return QPoint(qRound(xp), qRound(yp));
}
Q_DECL_CONSTEXPR inline QPointF QVector2D::toPointF() const
{
return QPointF(qreal(xp), qreal(yp));
}
#ifndef QT_NO_DEBUG_STREAM
Q_GUI_EXPORT QDebug operator<<(QDebug dbg, const QVector2D &vector);
#endif
#ifndef QT_NO_DATASTREAM
Q_GUI_EXPORT QDataStream &operator<<(QDataStream &, const QVector2D &);
Q_GUI_EXPORT QDataStream &operator>>(QDataStream &, QVector2D &);
#endif
#endif
QT_END_NAMESPACE
#endif
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