qpoint.h
This is the verbatim text of the qpoint.h include file. It is provided only for illustration; the copyright remains with Trolltech.
/****************************************************************************
** $Id: qt/qpoint.h 3.3.8 edited Jan 11 14:38 $
**
** Definition of QPoint class
**
** Created : 931028
**
** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
**
** This file is part of the kernel module of the Qt GUI Toolkit.
**
** This file may be used under the terms of the GNU General Public
** License versions 2.0 or 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Alternatively you may (at your option) use any
** later version of the GNU General Public License if such license has
** been publicly approved by Trolltech ASA (or its successors, if any)
** and the KDE Free Qt Foundation.
**
** Please review the following information to ensure GNU General
** Public Licensing requirements will be met:
** http://trolltech.com/products/qt/licenses/licensing/opensource/.
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
** or contact the sales department at sales@trolltech.com.
**
** This file may be used under the terms of the Q Public License as
** defined by Trolltech ASA and appearing in the file LICENSE.QPL
** included in the packaging of this file. Licensees holding valid Qt
** Commercial licenses may use this file in accordance with the Qt
** Commercial License Agreement provided with the Software.
**
** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
** herein.
**
**********************************************************************/
#ifndef QPOINT_H
#define QPOINT_H
#ifndef QT_H
#include "qwindowdefs.h"
#endif // QT_H
class Q_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;
QCOORD &rx();
QCOORD &ry();
QPoint &operator+=( const QPoint &p );
QPoint &operator-=( const QPoint &p );
QPoint &operator*=( int c );
QPoint &operator*=( double c );
QPoint &operator/=( int c );
QPoint &operator/=( double 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 &, int );
friend inline const QPoint operator*( int, const QPoint & );
friend inline const QPoint operator*( const QPoint &, double );
friend inline const QPoint operator*( double, const QPoint & );
friend inline const QPoint operator-( const QPoint & );
friend inline const QPoint operator/( const QPoint &, int );
friend inline const QPoint operator/( const QPoint &, double );
private:
static void warningDivByZero();
#if defined(Q_OS_MAC)
QCOORD yp;
QCOORD xp;
#else
QCOORD xp;
QCOORD yp;
#endif
};
/*****************************************************************************
QPoint stream functions
*****************************************************************************/
#ifndef QT_NO_DATASTREAM
Q_EXPORT QDataStream &operator<<( QDataStream &, const QPoint & );
Q_EXPORT QDataStream &operator>>( QDataStream &, QPoint & );
#endif
/*****************************************************************************
QPoint inline functions
*****************************************************************************/
inline QPoint::QPoint()
{ xp=0; yp=0; }
inline QPoint::QPoint( int xpos, int ypos )
{ xp=(QCOORD)xpos; yp=(QCOORD)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 x )
{ xp = (QCOORD)x; }
inline void QPoint::setY( int y )
{ yp = (QCOORD)y; }
inline QCOORD &QPoint::rx()
{ return xp; }
inline QCOORD &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*=( int c )
{ xp*=(QCOORD)c; yp*=(QCOORD)c; return *this; }
inline QPoint &QPoint::operator*=( double c )
{ xp=(QCOORD)(xp*c); yp=(QCOORD)(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, int c )
{ return QPoint(p.xp*c, p.yp*c); }
inline const QPoint operator*( int c, const QPoint &p )
{ return QPoint(p.xp*c, p.yp*c); }
inline const QPoint operator*( const QPoint &p, double c )
{ return QPoint((QCOORD)(p.xp*c), (QCOORD)(p.yp*c)); }
inline const QPoint operator*( double c, const QPoint &p )
{ return QPoint((QCOORD)(p.xp*c), (QCOORD)(p.yp*c)); }
inline const QPoint operator-( const QPoint &p )
{ return QPoint(-p.xp, -p.yp); }
inline QPoint &QPoint::operator/=( int c )
{
#if defined(QT_CHECK_MATH)
if ( c == 0 )
warningDivByZero();
#endif
xp/=(QCOORD)c;
yp/=(QCOORD)c;
return *this;
}
inline QPoint &QPoint::operator/=( double c )
{
#if defined(QT_CHECK_MATH)
if ( c == 0.0 )
warningDivByZero();
#endif
xp=(QCOORD)(xp/c);
yp=(QCOORD)(yp/c);
return *this;
}
inline const QPoint operator/( const QPoint &p, int c )
{
#if defined(QT_CHECK_MATH)
if ( c == 0 )
QPoint::warningDivByZero();
#endif
return QPoint(p.xp/c, p.yp/c);
}
inline const QPoint operator/( const QPoint &p, double c )
{
#if defined(QT_CHECK_MATH)
if ( c == 0.0 )
QPoint::warningDivByZero();
#endif
return QPoint((QCOORD)(p.xp/c), (QCOORD)(p.yp/c));
}
#define Q_DEFINED_QPOINT
#include "qwinexport.h"
#endif // QPOINT_H
