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tqtinterface/qtinterface/qt4/Qt/qpoint.h

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/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial Usage
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QPOINT_H
#define QPOINT_H
#include <QtCore/qnamespace.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Core)
class Q_CORE_EXPORT QPoint
{
public:
QPoint();
QPoint(int xpos, int ypos);
bool isNull() const;
int x() const;
int y() const;
void setX(int x);
void setY(int y);
int manhattanLength() const;
int &rx();
int &ry();
QPoint &operator+=(const QPoint &p);
QPoint &operator-=(const QPoint &p);
QPoint &operator*=(qreal c);
QPoint &operator/=(qreal c);
friend inline bool operator==(const QPoint &, const QPoint &);
friend inline bool operator!=(const QPoint &, const QPoint &);
friend inline const QPoint operator+(const QPoint &, const QPoint &);
friend inline const QPoint operator-(const QPoint &, const QPoint &);
friend inline const QPoint operator*(const QPoint &, qreal);
friend inline const QPoint operator*(qreal, const QPoint &);
friend inline const QPoint operator-(const QPoint &);
friend inline const QPoint operator/(const QPoint &, qreal);
private:
friend class QTransform;
// ### Qt 5; remove the ifdef and just have the same order on all platforms.
#if defined(Q_OS_MAC)
int yp;
int xp;
#else
int xp;
int yp;
#endif
};
Q_DECLARE_TYPEINFO(QPoint, Q_MOVABLE_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
*****************************************************************************/
inline QPoint::QPoint()
{ xp=0; yp=0; }
inline QPoint::QPoint(int xpos, int ypos)
{ xp = xpos; yp = ypos; }
inline bool QPoint::isNull() const
{ return xp == 0 && yp == 0; }
inline int QPoint::x() const
{ return xp; }
inline int QPoint::y() const
{ return yp; }
inline void QPoint::setX(int xpos)
{ xp = xpos; }
inline void QPoint::setY(int ypos)
{ yp = ypos; }
inline int &QPoint::rx()
{ return xp; }
inline int &QPoint::ry()
{ return yp; }
inline QPoint &QPoint::operator+=(const QPoint &p)
{ xp+=p.xp; yp+=p.yp; return *this; }
inline QPoint &QPoint::operator-=(const QPoint &p)
{ xp-=p.xp; yp-=p.yp; return *this; }
inline QPoint &QPoint::operator*=(qreal c)
{ xp = qRound(xp*c); yp = qRound(yp*c); return *this; }
inline bool operator==(const QPoint &p1, const QPoint &p2)
{ return p1.xp == p2.xp && p1.yp == p2.yp; }
inline bool operator!=(const QPoint &p1, const QPoint &p2)
{ return p1.xp != p2.xp || p1.yp != p2.yp; }
inline const QPoint operator+(const QPoint &p1, const QPoint &p2)
{ return QPoint(p1.xp+p2.xp, p1.yp+p2.yp); }
inline const QPoint operator-(const QPoint &p1, const QPoint &p2)
{ return QPoint(p1.xp-p2.xp, p1.yp-p2.yp); }
inline const QPoint operator*(const QPoint &p, qreal c)
{ return QPoint(qRound(p.xp*c), qRound(p.yp*c)); }
inline const QPoint operator*(qreal c, const QPoint &p)
{ return QPoint(qRound(p.xp*c), qRound(p.yp*c)); }
inline const QPoint operator-(const QPoint &p)
{ return QPoint(-p.xp, -p.yp); }
inline QPoint &QPoint::operator/=(qreal c)
{
xp = qRound(xp/c);
yp = qRound(yp/c);
return *this;
}
inline const QPoint operator/(const QPoint &p, qreal c)
{
return QPoint(qRound(p.xp/c), qRound(p.yp/c));
}
#ifndef QT_NO_DEBUG_STREAM
Q_CORE_EXPORT QDebug operator<<(QDebug, const QPoint &);
#endif
class Q_CORE_EXPORT QPointF
{
public:
QPointF();
QPointF(const QPoint &p);
QPointF(qreal xpos, qreal ypos);
qreal manhattanLength() const;
bool isNull() const;
qreal x() const;
qreal y() const;
void setX(qreal x);
void setY(qreal y);
qreal &rx();
qreal &ry();
QPointF &operator+=(const QPointF &p);
QPointF &operator-=(const QPointF &p);
QPointF &operator*=(qreal c);
QPointF &operator/=(qreal c);
friend inline bool operator==(const QPointF &, const QPointF &);
friend inline bool operator!=(const QPointF &, const QPointF &);
friend inline const QPointF operator+(const QPointF &, const QPointF &);
friend inline const QPointF operator-(const QPointF &, const QPointF &);
friend inline const QPointF operator*(qreal, const QPointF &);
friend inline const QPointF operator*(const QPointF &, qreal);
friend inline const QPointF operator-(const QPointF &);
friend inline const QPointF operator/(const QPointF &, qreal);
QPoint toPoint() const;
private:
friend class QMatrix;
friend class QTransform;
qreal xp;
qreal yp;
};
Q_DECLARE_TYPEINFO(QPointF, Q_MOVABLE_TYPE);
/*****************************************************************************
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
*****************************************************************************/
inline QPointF::QPointF() : xp(0), yp(0) { }
inline QPointF::QPointF(qreal xpos, qreal ypos) : xp(xpos), yp(ypos) { }
inline QPointF::QPointF(const QPoint &p) : xp(p.x()), yp(p.y()) { }
inline bool QPointF::isNull() const
{
return qIsNull(xp) && qIsNull(yp);
}
inline qreal QPointF::x() const
{
return xp;
}
inline qreal QPointF::y() const
{
return yp;
}
inline void QPointF::setX(qreal xpos)
{
xp = xpos;
}
inline void QPointF::setY(qreal ypos)
{
yp = ypos;
}
inline qreal &QPointF::rx()
{
return xp;
}
inline qreal &QPointF::ry()
{
return yp;
}
inline QPointF &QPointF::operator+=(const QPointF &p)
{
xp+=p.xp;
yp+=p.yp;
return *this;
}
inline QPointF &QPointF::operator-=(const QPointF &p)
{
xp-=p.xp; yp-=p.yp; return *this;
}
inline QPointF &QPointF::operator*=(qreal c)
{
xp*=c; yp*=c; return *this;
}
inline bool operator==(const QPointF &p1, const QPointF &p2)
{
return qFuzzyIsNull(p1.xp - p2.xp) && qFuzzyIsNull(p1.yp - p2.yp);
}
inline bool operator!=(const QPointF &p1, const QPointF &p2)
{
return !qFuzzyIsNull(p1.xp - p2.xp) || !qFuzzyIsNull(p1.yp - p2.yp);
}
inline const QPointF operator+(const QPointF &p1, const QPointF &p2)
{
return QPointF(p1.xp+p2.xp, p1.yp+p2.yp);
}
inline const QPointF operator-(const QPointF &p1, const QPointF &p2)
{
return QPointF(p1.xp-p2.xp, p1.yp-p2.yp);
}
inline const QPointF operator*(const QPointF &p, qreal c)
{
return QPointF(p.xp*c, p.yp*c);
}
inline const QPointF operator*(qreal c, const QPointF &p)
{
return QPointF(p.xp*c, p.yp*c);
}
inline const QPointF operator-(const QPointF &p)
{
return QPointF(-p.xp, -p.yp);
}
inline QPointF &QPointF::operator/=(qreal c)
{
xp/=c;
yp/=c;
return *this;
}
inline const QPointF operator/(const QPointF &p, qreal c)
{
return QPointF(p.xp/c, p.yp/c);
}
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
QT_END_HEADER
#endif // QPOINT_H