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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 - qsize.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>qsize.h</h1><br clear="all">This is the verbatim text of the qsize.h include file. It isprovided only for illustration; the copyrightremains with Trolltech.<hr><pre>/****************************************************************************** $Id: qt/src/kernel/qsize.h 2.3.8 edited 2004-05-12 $**** Definition of QSize 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 QSIZE_H#define QSIZE_H#ifndef QT_H#include "qpoint.h"#endif // QT_Hclass Q_EXPORT <a href="qsize.html">QSize</a>{public: QSize(); QSize( int w, int h ); bool isNull() const; bool isEmpty() const; bool isValid() const; int width() const; int height() const; void setWidth( int w ); void setHeight( int h ); void transpose(); QSize expandedTo( const QSize & ) const; QSize boundedTo( const QSize & ) const; QCOORD &rwidth(); QCOORD &rheight(); QSize &operator+=( const QSize & ); QSize &operator-=( const QSize & ); QSize &operator*=( int c ); QSize &operator*=( double c ); QSize &operator/=( int c ); QSize &operator/=( double c ); friend inline bool operator==( const QSize &, const QSize & ); friend inline bool operator!=( const QSize &, const QSize & ); friend inline QSize operator+( const QSize &, const QSize & ); friend inline QSize operator-( const QSize &, const QSize & ); friend inline QSize operator*( const QSize &, int ); friend inline QSize operator*( int, const QSize & ); friend inline QSize operator*( const QSize &, double ); friend inline QSize operator*( double, const QSize & ); friend inline QSize operator/( const QSize &, int ); friend inline QSize operator/( const QSize &, double );private: static void warningDivByZero(); QCOORD wd; QCOORD ht;};/***************************************************************************** QSize stream functions *****************************************************************************/Q_EXPORT QDataStream &operator<<( QDataStream &, const QSize & );Q_EXPORT QDataStream &operator>>( QDataStream &, QSize & );/***************************************************************************** QSize inline functions *****************************************************************************/inline QSize::QSize(){ wd = ht = -1; }inline QSize::QSize( int w, int h ){ wd=(QCOORD)w; ht=(QCOORD)h; }inline bool QSize::isNull() const{ return wd==0 && ht==0; }inline bool QSize::isEmpty() const{ return wd<1 || ht<1; }inline bool QSize::isValid() const{ return wd>=0 && ht>=0; }inline int QSize::width() const{ return wd; }inline int QSize::height() const{ return ht; }inline void QSize::setWidth( int w ){ wd=(QCOORD)w; }inline void QSize::setHeight( int h ){ ht=(QCOORD)h; }inline QCOORD &QSize::rwidth(){ return wd; }inline QCOORD &QSize::rheight(){ return ht; }inline QSize &QSize::operator+=( const QSize &s ){ wd+=s.wd; ht+=s.ht; return *this; }inline QSize &QSize::operator-=( const QSize &s ){ wd-=s.wd; ht-=s.ht; return *this; }inline QSize &QSize::operator*=( int c ){ wd*=(QCOORD)c; ht*=(QCOORD)c; return *this; }inline QSize &QSize::operator*=( double c ){ wd=(QCOORD)(wd*c); ht=(QCOORD)(ht*c); return *this; }inline bool operator==( const QSize &s1, const QSize &s2 ){ return s1.wd == s2.wd && s1.ht == s2.ht; }inline bool operator!=( const QSize &s1, const QSize &s2 ){ return s1.wd != s2.wd || s1.ht != s2.ht; }inline QSize operator+( const QSize & s1, const QSize & s2 ){ return QSize(s1.wd+s2.wd, s1.ht+s2.ht); }inline QSize operator-( const QSize &s1, const QSize &s2 ){ return QSize(s1.wd-s2.wd, s1.ht-s2.ht); }inline QSize operator*( const QSize &s, int c ){ return QSize(s.wd*c, s.ht*c); }inline QSize operator*( int c, const QSize &s ){ return QSize(s.wd*c, s.ht*c); }inline QSize operator*( const QSize &s, double c ){ return QSize((QCOORD)(s.wd*c), (QCOORD)(s.ht*c)); }inline QSize operator*( double c, const QSize &s ){ return QSize((QCOORD)(s.wd*c), (QCOORD)(s.ht*c)); }inline QSize &QSize::operator/=( int c ){#if defined(CHECK_MATH) if ( c == 0 ) warningDivByZero();#endif wd/=(QCOORD)c; ht/=(QCOORD)c; return *this;}inline QSize &QSize::operator/=( double c ){#if defined(CHECK_MATH) if ( c == 0.0 ) warningDivByZero();#endif wd=(QCOORD)(wd/c); ht=(QCOORD)(ht/c); return *this;}inline QSize operator/( const QSize &s, int c ){#if defined(CHECK_MATH) if ( c == 0 ) QSize::warningDivByZero();#endif return QSize(s.wd/c, s.ht/c);}inline QSize operator/( const QSize &s, double c ){#if defined(CHECK_MATH) if ( c == 0.0 ) QSize::warningDivByZero();#endif return QSize((QCOORD)(s.wd/c), (QCOORD)(s.ht/c));}inline QSize QSize::expandedTo( const QSize & otherSize ) const{ return QSize( QMAX(wd,otherSize.wd), QMAX(ht,otherSize.ht) );}inline QSize QSize::boundedTo( const QSize & otherSize ) const{ return QSize( QMIN(wd,otherSize.wd), QMIN(ht,otherSize.ht) );}#endif // QSIZE_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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