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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 - qregion.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>qregion.h</h1><br clear="all">This is the verbatim text of the qregion.h include file. It isprovided only for illustration; the copyrightremains with Trolltech.<hr><pre>/****************************************************************************** $Id: qt/src/kernel/qregion.h 2.3.8 edited 2004-05-12 $**** Definition of QRegion class**** Created : 940514**** 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 QREGION_H#define QREGION_H#ifndef QT_H#include "qshared.h"#include "qrect.h"#include "qstring.h"#endif // QT_Hclass Q_EXPORT <a href="qregion.html">QRegion</a>{public: enum RegionType { Rectangle, Ellipse }; QRegion(); QRegion( int x, int y, int w, int h, RegionType = Rectangle ); QRegion( const QRect &, RegionType = Rectangle ); QRegion( const QPointArray &, bool winding=FALSE ); QRegion( const QRegion & ); QRegion( const QBitmap & ); ~QRegion(); QRegion &operator=( const QRegion & ); bool isNull() const; bool isEmpty() const; bool contains( const QPoint &p ) const; bool contains( const QRect &r ) const; void translate( int dx, int dy ); QRegion unite( const QRegion & ) const; QRegion intersect( const QRegion &) const; QRegion subtract( const QRegion & ) const; QRegion eor( const QRegion & ) const; QRect boundingRect() const; QArray<QRect> rects() const; void setRects( const QRect *, int ); QRegion operator|( const QRegion & ) const; QRegion operator+( const QRegion & ) const; QRegion operator&( const QRegion & ) const; QRegion operator-( const QRegion & ) const; QRegion operator^( const QRegion & ) const; QRegion& operator|=( const QRegion & ); QRegion& operator+=( const QRegion & ); QRegion& operator&=( const QRegion & ); QRegion& operator-=( const QRegion & ); QRegion& operator^=( const QRegion & ); bool operator==( const QRegion & ) const; bool operator!=( const QRegion &r ) const { return !(operator==(r)); }#if defined(_WS_WIN_) HRGN handle() const { return data->rgn; }#elif defined(_WS_X11_) Region handle() const { return data->rgn; }#elif defined(_WS_MAC_) void * handle() const { return data->rgn; }#elif defined(_WS_QWS_) // QGfx_QWS needs this for region drawing void * handle() const { return data->rgn; }#endif#ifndef QT_NO_DATASTREAM friend Q_EXPORT QDataStream &operator<<( QDataStream &, const QRegion & ); friend Q_EXPORT QDataStream &operator>>( QDataStream &, QRegion & );#endifprivate: QRegion( bool ); QRegion copy() const; void detach();#if defined(_WS_WIN_) QRegion winCombine( const QRegion &, int ) const;#endif void exec( const QByteArray &, int ver = 0 ); struct QRegionData : public QShared {#if defined(_WS_WIN_) HRGN rgn;#elif defined(_WS_X11_) Region rgn; QRect br;#elif defined(_WS_MAC_) void * rgn;#elif defined(_WS_QWS_) void * rgn;#endif bool is_null; } *data;};#define QRGN_SETRECT 1 // region stream commands#define QRGN_SETELLIPSE 2 // (these are internal)#define QRGN_SETPTARRAY_ALT 3#define QRGN_SETPTARRAY_WIND 4#define QRGN_TRANSLATE 5#define QRGN_OR 6#define QRGN_AND 7#define QRGN_SUB 8#define QRGN_XOR 9#define QRGN_RECTS 10/***************************************************************************** QRegion stream functions *****************************************************************************/#ifndef QT_NO_DATASTREAMQ_EXPORT QDataStream &operator<<( QDataStream &, const QRegion & );Q_EXPORT QDataStream &operator>>( QDataStream &, QRegion & );#endif#endif // QREGION_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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