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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>Qt Toolkit - qpoint.h include file</title><style type="text/css"><!--h3.fn,span.fn { margin-left: 1cm; text-indent: -1cm; }a:link { color: #004faf; text-decoration: none }a:visited { color: #672967; text-decoration: none }body { background: white; color: black; }--></style></head><body bgcolor="#ffffff"><table width="100%"><tr><td><a href="index.html"><img width="100" height="100" src="qtlogo.png"alt="Home" border="0"><img width="100"height="100" src="face.png" alt="Home" border="0"></a><td valign="top"><div align="right"><img src="dochead.png" width="472" height="27"><br><a href="classes.html"><b>Classes</b></a>- <a href="annotated.html">Annotated</a>- <a href="hierarchy.html">Tree</a>- <a href="functions.html">Functions</a>- <a href="index.html">Home</a>- <a href="topicals.html"><b>Structure</b> <font face="Arial,Helvetica,Geneva,Swiss,SunSans-Regular" align="center" size=32>Qte</font></a></div></table><h1 align=center>qpoint.h</h1><br clear="all">This is the verbatim text of the qpoint.h include file. It isprovided only for illustration; the copyrightremains with Trolltech.<hr><pre>/****************************************************************************** $Id: qt/src/kernel/qpoint.h 2.3.8 edited 2004-05-12 $**** Definition of QPoint class**** Created : 931028**** Copyright (C) 1992-2000 Trolltech AS. All rights reserved.**** This file is part of the kernel module of the Qt GUI Toolkit.**** This file may be distributed under the terms of the Q Public License** as defined by Trolltech AS of Norway and appearing in the file** LICENSE.QPL included in the packaging of this file.**** This file may be distributed and/or modified under the terms of the** GNU General Public License version 2 as published by the Free Software** Foundation and appearing in the file LICENSE.GPL included in the** packaging of this file.**** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition** 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** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.**** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for** information about Qt Commercial License Agreements.** See http://www.trolltech.com/qpl/ for QPL licensing information.** See http://www.trolltech.com/gpl/ for GPL licensing information.**** Contact info@trolltech.com if any conditions of this licensing are** not clear to you.************************************************************************/#ifndef QPOINT_H#define QPOINT_H#ifndef QT_H#include "qwindowdefs.h"#endif // QT_Hclass Q_EXPORT <a href="qpoint.html">QPoint</a>{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 QPoint operator+( const QPoint &, const QPoint & ); friend inline QPoint operator-( const QPoint &, const QPoint & ); friend inline QPoint operator*( const QPoint &, int ); friend inline QPoint operator*( int, const QPoint & ); friend inline QPoint operator*( const QPoint &, double ); friend inline QPoint operator*( double, const QPoint & ); friend inline QPoint operator-( const QPoint & ); friend inline QPoint operator/( const QPoint &, int ); friend inline QPoint operator/( const QPoint &, double );private: static void warningDivByZero();#if defined(_OS_MAC_) QCOORD yp; QCOORD xp;#else QCOORD xp; QCOORD yp;#endif};/***************************************************************************** QPoint stream functions *****************************************************************************/#ifndef QT_NO_DATASTREAMQ_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 QPoint operator+( const QPoint &p1, const QPoint &p2 ){ return QPoint(p1.xp+p2.xp, p1.yp+p2.yp); }inline QPoint operator-( const QPoint &p1, const QPoint &p2 ){ return QPoint(p1.xp-p2.xp, p1.yp-p2.yp); }inline QPoint operator*( const QPoint &p, int c ){ return QPoint(p.xp*c, p.yp*c); }inline QPoint operator*( int c, const QPoint &p ){ return QPoint(p.xp*c, p.yp*c); }inline QPoint operator*( const QPoint &p, double c ){ return QPoint((QCOORD)(p.xp*c), (QCOORD)(p.yp*c)); }inline QPoint operator*( double c, const QPoint &p ){ return QPoint((QCOORD)(p.xp*c), (QCOORD)(p.yp*c)); }inline QPoint operator-( const QPoint &p ){ return QPoint(-p.xp, -p.yp); }inline QPoint &QPoint::operator/=( int c ){#if defined(CHECK_MATH) if ( c == 0 ) warningDivByZero();#endif xp/=(QCOORD)c; yp/=(QCOORD)c; return *this;}inline QPoint &QPoint::operator/=( double c ){#if defined(CHECK_MATH) if ( c == 0.0 ) warningDivByZero();#endif xp=(QCOORD)(xp/c); yp=(QCOORD)(yp/c); return *this;}inline QPoint operator/( const QPoint &p, int c ){#if defined(CHECK_MATH) if ( c == 0 ) QPoint::warningDivByZero();#endif return QPoint(p.xp/c, p.yp/c);}inline QPoint operator/( const QPoint &p, double c ){#if defined(CHECK_MATH) if ( c == 0.0 ) QPoint::warningDivByZero();#endif return QPoint((QCOORD)(p.xp/c), (QCOORD)(p.yp/c));}#endif // QPOINT_H</pre><p><address><hr><div align="center"><table width="100%" cellspacing="0" border="0"><tr><td>Copyright ⌨️ 快捷键说明
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