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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 - qwmatrix.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>qwmatrix.h</h1><br clear="all">This is the verbatim text of the qwmatrix.h include file. It isprovided only for illustration; the copyrightremains with Trolltech.<hr><pre>/****************************************************************************** $Id: qt/src/kernel/qwmatrix.h 2.3.8 edited 2004-05-12 $**** Definition of QWMatrix class**** Created : 941020**** 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 QWMATRIX_H#define QWMATRIX_H#ifndef QT_H#include "qwindowdefs.h"#include "qpointarray.h"#include "qrect.h"#endif // QT_H#ifndef QT_NO_WMATRIXclass Q_EXPORT <a href="qwmatrix.html">QWMatrix</a> // 2D transform matrix{public: QWMatrix(); QWMatrix( double m11, double m12, double m21, double m22, double dx, double dy ); void setMatrix( double m11, double m12, double m21, double m22, double dx, double dy ); double m11() const { return _m11; } double m12() const { return _m12; } double m21() const { return _m21; } double m22() const { return _m22; } double dx() const { return _dx; } double dy() const { return _dy; } void map( int x, int y, int *tx, int *ty ) const; void map( double x, double y, double *tx, double *ty ) const; QPoint map( const QPoint & ) const; QRect map( const QRect & ) const; QPointArray map( const QPointArray & ) const; void reset(); QWMatrix &translate( double dx, double dy ); QWMatrix &scale( double sx, double sy ); QWMatrix &shear( double sh, double sv ); QWMatrix &rotate( double a ); QWMatrix invert( bool * = 0 ) const; bool operator==( const QWMatrix & ) const; bool operator!=( const QWMatrix & ) const; QWMatrix &operator*=( const QWMatrix & );private: QWMatrix &bmul( const QWMatrix & ); double _m11, _m12; double _m21, _m22; double _dx, _dy;};Q_EXPORT QWMatrix operator*( const QWMatrix &, const QWMatrix & );/***************************************************************************** QWMatrix stream functions *****************************************************************************/Q_EXPORT QDataStream &operator<<( QDataStream &, const QWMatrix & );Q_EXPORT QDataStream &operator>>( QDataStream &, QWMatrix & );#endif // QT_NO_WMATRIX#endif // QWMATRIX_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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