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tqt3/doc/html/qwmatrix-h.html

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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>ntqwmatrix.h</h1>
<p>This is the verbatim text of the ntqwmatrix.h include file. It is provided only for illustration; the copyright remains with Trolltech.
<hr>
<pre>
/****************************************************************************
** $Id: qt/ntqwmatrix.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 "ntqpointarray.h"
#include "ntqrect.h"
#include "ntqregion.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>
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