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It is provided only for illustration; the copyright remains with Trolltech. +<hr> +<pre> +/**************************************************************************** +** $Id: qt/tqwmatrix.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 requirements 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 "ntqwindowdefs.h" +#include "tqpointarray.h" +#include "tqrect.h" +#include "tqregion.h" +#endif // QT_H + +#ifndef TQT_NO_WMATRIX + + +class TQ_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 & ) const; + + TQPoint map( const TQPoint &p ) const { return operator *( p ); } + TQRect map( const TQRect &r ) const { return mapRect ( r ); } + TQPointArray map( const TQPointArray &a ) const { return operator * ( a ); } + TQRegion map( const TQRegion &r ) const { return operator *( r ); } + TQRegion mapToRegion( const TQRect &r ) const { return operator *( r ); } + TQPointArray mapToPolygon( const TQRect &r ) const; + + void reset(); + bool isIdentity() const; + + TQWMatrix &translate( double dx, double dy ); + TQWMatrix &scale( double sx, double sy ); + TQWMatrix &shear( double sh, double sv ); + TQWMatrix &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 & ) const; + bool operator!=( const TQWMatrix & ) const; + TQWMatrix &operator*=( const TQWMatrix & ); + + /* we use matrix multiplication semantics here */ + TQPoint operator * (const TQPoint & ) const; + TQRegion operator * (const TQRect & ) const; + TQRegion operator * (const TQRegion & ) const; + TQPointArray operator * ( const TQPointArray &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; +}; + +TQ_EXPORT TQWMatrix operator*( const TQWMatrix &, const TQWMatrix & ); + + +/***************************************************************************** + TQWMatrix stream functions + *****************************************************************************/ + +TQ_EXPORT TQDataStream &operator<<( TQDataStream &, const TQWMatrix & ); +TQ_EXPORT TQDataStream &operator>>( TQDataStream &, TQWMatrix & ); + + +#endif // TQT_NO_WMATRIX + +#endif // TQWMATRIX_H +</pre> +<!-- eof --> +<p><address><hr><div align=center> +<table width=100% cellspacing=0 border=0><tr> +<td>Copyright © 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> |