<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <!-- /tmp/qt-3.0-reggie-28534/qt-x11-free-3.0.2/include/qwmatrix.h:1 --> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> <title>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: #ffffff; color: black; } --></style> </head> <body> <table border="0" cellpadding="0" cellspacing="0" width="100%"> <tr bgcolor="#E5E5E5"> <td valign=center> <a href="index.html"> <font color="#004faf">Home</font></a> | <a href="classes.html"> <font color="#004faf">All Classes</font></a> | <a href="mainclasses.html"> <font color="#004faf">Main Classes</font></a> | <a href="annotated.html"> <font color="#004faf">Annotated</font></a> | <a href="groups.html"> <font color="#004faf">Grouped Classes</font></a> | <a href="functions.html"> <font color="#004faf">Functions</font></a> </td> <td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>qwmatrix.h</h1> <p>This is the verbatim text of the qwmatrix.h include file. It is provided only for illustration; the copyright remains with Trolltech. <hr> <pre> /**************************************************************************** ** $Id: qt/qwmatrix.h 3.0.2 edited Oct 12 12:18 $ ** ** 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_WMATRIX class Q_EXPORT QWMatrix // 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; QRect mapRect( const QRect & ) const; QPoint map( const QPoint &p ) const { return operator *( p ); } QRect map( const QRect &r ) const { return mapRect ( r ); } QPointArray map( const QPointArray &a ) const { return operator * ( a ); } void reset(); bool isIdentity() const; QWMatrix &translate( double dx, double dy ); QWMatrix &scale( double sx, double sy ); QWMatrix &shear( double sh, double sv ); QWMatrix &rotate( double a ); bool isInvertible() const { return (_m11*_m22 - _m12*_m21) != 0; } QWMatrix invert( bool * = 0 ) const; bool operator==( const QWMatrix & ) const; bool operator!=( const QWMatrix & ) const; QWMatrix &operator*=( const QWMatrix & ); /* we use matrix multiplication semantics here */ QPoint operator * (const QPoint & ) const; QRegion operator * (const QRect & ) const; QRegion operator * (const QRegion & ) const; QPointArray operator * ( const QPointArray &a ) const; 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> <!-- eof --> <p><address><hr><div align=center> <table width=100% cellspacing=0 border=0><tr> <td>Copyright © 2001 <a href="http://www.trolltech.com">Trolltech</a><td><a href="http://www.trolltech.com/trademarks.html">Trademarks</a> <td align=right><div align=right>Qt version 3.0.2</div> </table></div></address></body> </html>