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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 - qrect.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>qrect.h</h1><br clear="all">This is the verbatim text of the qrect.h include file. It isprovided only for illustration; the copyrightremains with Trolltech.<hr><pre>/****************************************************************************** $Id: qt/src/kernel/qrect.h 2.3.8 edited 2004-05-12 $**** Definition of QRect 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 QRECT_H#define QRECT_H#ifndef QT_H#include "qsize.h"#endif // QT_H#if defined(topLeft)#error "Macro definition of topLeft conflicts with QRect"// don't just silently undo people's defines: #undef topLeft#endifclass Q_EXPORT <a href="qrect.html">QRect</a> // rectangle class{public: QRect() { x1 = y1 = 0; x2 = y2 = -1; } QRect( const QPoint &topleft, const QPoint &bottomright ); QRect( const QPoint &topleft, const QSize &size ); QRect( int left, int top, int width, int height ); bool isNull() const; bool isEmpty() const; bool isValid() const; QRect normalize() const; int left() const; int top() const; int right() const; int bottom() const; QCOORD &rLeft(); QCOORD &rTop(); QCOORD &rRight(); QCOORD &rBottom(); int x() const; int y() const; void setLeft( int pos ); void setTop( int pos ); void setRight( int pos ); void setBottom( int pos ); void setX( int x ); void setY( int y ); QPoint topLeft() const; QPoint bottomRight() const; QPoint topRight() const; QPoint bottomLeft() const; QPoint center() const; void rect( int *x, int *y, int *w, int *h ) const; void coords( int *x1, int *y1, int *x2, int *y2 ) const; void moveTopLeft( const QPoint &p ); void moveBottomRight( const QPoint &p ); void moveTopRight( const QPoint &p ); void moveBottomLeft( const QPoint &p ); void moveCenter( const QPoint &p ); void moveBy( int dx, int dy ); void setRect( int x, int y, int w, int h ); void setCoords( int x1, int y1, int x2, int y2 ); QSize size() const; int width() const; int height() const; void setWidth( int w ); void setHeight( int h ); void setSize( const QSize &s ); QRect operator|(const QRect &r) const; QRect operator&(const QRect &r) const; QRect& operator|=(const QRect &r); QRect& operator&=(const QRect &r); bool contains( const QPoint &p, bool proper=FALSE ) const; bool contains( int x, int y, bool proper=FALSE ) const; bool contains( const QRect &r, bool proper=FALSE ) const; QRect unite( const QRect &r ) const; QRect intersect( const QRect &r ) const; bool intersects( const QRect &r ) const; friend Q_EXPORT bool operator==( const QRect &, const QRect & ); friend Q_EXPORT bool operator!=( const QRect &, const QRect & );private:#if defined(_OS_MAC_) QCOORD y1; QCOORD x1; QCOORD y2; QCOORD x2;#else QCOORD x1; QCOORD y1; QCOORD x2; QCOORD y2;#endif};Q_EXPORT bool operator==( const QRect &, const QRect & );Q_EXPORT bool operator!=( const QRect &, const QRect & );/***************************************************************************** QRect stream functions *****************************************************************************/#ifndef QT_NO_DATASTREAMQ_EXPORT QDataStream &operator<<( QDataStream &, const QRect & );Q_EXPORT QDataStream &operator>>( QDataStream &, QRect & );#endif/***************************************************************************** QRect inline member functions *****************************************************************************/inline QRect::QRect( int left, int top, int width, int height ){ x1 = (QCOORD)left; y1 = (QCOORD)top; x2 = (QCOORD)(left+width-1); y2 = (QCOORD)(top+height-1);}inline bool QRect::isNull() const{ return x2 == x1-1 && y2 == y1-1; }inline bool QRect::isEmpty() const{ return x1 > x2 || y1 > y2; }inline bool QRect::isValid() const{ return x1 <= x2 && y1 <= y2; }inline int QRect::left() const{ return x1; }inline int QRect::top() const{ return y1; }inline int QRect::right() const{ return x2; }inline int QRect::bottom() const{ return y2; }inline QCOORD &QRect::rLeft(){ return x1; }inline QCOORD & QRect::rTop(){ return y1; }inline QCOORD & QRect::rRight(){ return x2; }inline QCOORD & QRect::rBottom(){ return y2; }inline int QRect::x() const{ return x1; }inline int QRect::y() const{ return y1; }inline void QRect::setLeft( int pos ){ x1 = (QCOORD)pos; }inline void QRect::setTop( int pos ){ y1 = (QCOORD)pos; }inline void QRect::setRight( int pos ){ x2 = (QCOORD)pos; }inline void QRect::setBottom( int pos ){ y2 = (QCOORD)pos; }inline void QRect::setX( int x ){ x1 = (QCOORD)x; }inline void QRect::setY( int y ){ y1 = (QCOORD)y; }inline QPoint QRect::topLeft() const{ return QPoint(x1, y1); }inline QPoint QRect::bottomRight() const{ return QPoint(x2, y2); }inline QPoint QRect::topRight() const{ return QPoint(x2, y1); }inline QPoint QRect::bottomLeft() const{ return QPoint(x1, y2); }inline QPoint QRect::center() const{ return QPoint((x1+x2)/2, (y1+y2)/2); }inline int QRect::width() const{ return x2 - x1 + 1; }inline int QRect::height() const{ return y2 - y1 + 1; }inline QSize QRect::size() const{ return QSize(x2-x1+1, y2-y1+1); }inline bool QRect::contains( int x, int y, bool proper ) const{ if ( proper ) return x > x1 && x < x2 && y > y1 && y < y2; else return x >= x1 && x <= x2 && y >= y1 && y <= y2;}#endif // QRECT_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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