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+<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 3.3.8 edited Jan 11 14:38 $
+**
+** Definition of TQWMatrix class
+**
+** Created : 941020
+**
+** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
+**
+** This file is part of the kernel module of the TQt GUI Toolkit.
+**
+** This file may be used under the terms of the GNU General Public
+** License versions 2.0 or 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file. Alternatively you may (at your option) use any
+** later version of the GNU General Public License if such license has
+** been publicly approved by Trolltech ASA (or its successors, if any)
+** and the KDE Free TQt Foundation.
+**
+** Please review the following information to ensure GNU General
+** Public Licensing retquirements will be met:
+** http://trolltech.com/products/qt/licenses/licensing/opensource/.
+** If you are unsure which license is appropriate for your use, please
+** review the following information:
+** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
+** or contact the sales department at sales@trolltech.com.
+**
+** This file may be used under the terms of the Q Public License as
+** defined by Trolltech ASA and appearing in the file LICENSE.TQPL
+** included in the packaging of this file. Licensees holding valid TQt
+** Commercial licenses may use this file in accordance with the TQt
+** Commercial License Agreement provided with the Software.
+**
+** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
+** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
+** herein.
+**
+**********************************************************************/
+
+#ifndef TQWMATRIX_H
+#define TQWMATRIX_H
+
+#ifndef QT_H
+#include "qwindowdefs.h"
+#include "qpointarray.h"
+#include "qrect.h"
+#include "qregion.h"
+#endif // QT_H
+
+#ifndef QT_NO_WMATRIX
+
+
+class Q_EXPORT TQWMatrix // 2D transform matrix
+{
+public:
+ TQWMatrix();
+ TQWMatrix( 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;
+ TQRect mapRect( const TQRect &amp; ) const;
+
+ TQPoint map( const TQPoint &amp;p ) const { return operator *( p ); }
+ TQRect map( const TQRect &amp;r ) const { return mapRect ( r ); }
+ TQPointArray map( const TQPointArray &amp;a ) const { return operator * ( a ); }
+ TQRegion map( const TQRegion &amp;r ) const { return operator *( r ); }
+ TQRegion mapToRegion( const TQRect &amp;r ) const { return operator *( r ); }
+ TQPointArray mapToPolygon( const TQRect &amp;r ) const;
+
+ void reset();
+ bool isIdentity() const;
+
+ TQWMatrix &amp;translate( double dx, double dy );
+ TQWMatrix &amp;scale( double sx, double sy );
+ TQWMatrix &amp;shear( double sh, double sv );
+ TQWMatrix &amp;rotate( double a );
+
+ bool isInvertible() const { return (_m11*_m22 - _m12*_m21) != 0; }
+ double det() const { return _m11*_m22 - _m12*_m21; }
+
+ TQWMatrix invert( bool * = 0 ) const;
+
+ bool operator==( const TQWMatrix &amp; ) const;
+ bool operator!=( const TQWMatrix &amp; ) const;
+ TQWMatrix &amp;operator*=( const TQWMatrix &amp; );
+
+ /* we use matrix multiplication semantics here */
+ TQPoint operator * (const TQPoint &amp; ) const;
+ TQRegion operator * (const TQRect &amp; ) const;
+ TQRegion operator * (const TQRegion &amp; ) const;
+ TQPointArray operator * ( const TQPointArray &amp;a ) const;
+
+ enum TransformationMode {
+ Points, Areas
+ };
+ static void setTransformationMode( TQWMatrix::TransformationMode m );
+ static TransformationMode transformationMode();
+private:
+ double _m11, _m12;
+ double _m21, _m22;
+ double _dx, _dy;
+};
+
+Q_EXPORT TQWMatrix operator*( const TQWMatrix &amp;, const TQWMatrix &amp; );
+
+
+/*****************************************************************************
+ TQWMatrix stream functions
+ *****************************************************************************/
+
+Q_EXPORT TQDataStream &amp;operator&lt;&lt;( TQDataStream &amp;, const TQWMatrix &amp; );
+Q_EXPORT TQDataStream &amp;operator&gt;&gt;( TQDataStream &amp;, TQWMatrix &amp; );
+
+
+#endif // QT_NO_WMATRIX
+
+#endif // TQWMATRIX_H
+</pre>
+<!-- eof -->
+<p><address><hr><div align=center>
+<table width=100% cellspacing=0 border=0><tr>
+<td>Copyright &copy; 2007
+<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
+<td align=right><div align=right>TQt 3.3.8</div>
+</table></div></address></body>
+</html>