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+/****************************************************************************
+**
+** Definition of TQWMatrix class
+**
+** Created : 941020
+**
+** Copyright (C) 2010 Timothy Pearson and (C) 1992-2008 Trolltech ASA.
+**
+** 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 files LICENSE.GPL2
+** and LICENSE.GPL3 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
+
+#include "tqtglobaldefines.h"
+
+#ifndef TQT_H
+#include "tqwindowdefs.h"
+#include "tqpointarray.h"
+#include "tqrect.h"
+#include "tqregion.h"
+#endif // TQT_H
+
+#ifndef TQT_NO_WMATRIX
+
+#ifdef USE_QT4
+
+#include <Qt/qpixmap.h>
+#include <Qt/qbitmap.h>
+
+// #include "tqimage.h"
+
+#endif // USE_QT4
+
+#ifdef USE_QT4
+
+class TQ_EXPORT TQWMatrix : public QMatrix, virtual public TQt
+{
+public:
+	TQWMatrix() : QMatrix() {}
+	TQWMatrix( double m11, double m12, double m21, double m22, double dx, double dy ) : QMatrix( m11, m12, m21, m22, dx, dy ) {}
+
+	//TQWMatrix invert(bool *invertible=0);
+	inline TQWMatrix invert(bool *invertible=0) const { const QMatrix &ref = inverted(invertible); return (*static_cast<const TQWMatrix*>(&ref)); }
+
+	inline TQRect map(const QRect &r) const { return mapRect(r); }
+
+	inline void map( int x, int y, int *tx, int *ty ) const { return QMatrix::map(x, y, tx, ty); }
+	inline void map( double x, double y, double *tx, double *ty ) const { return QMatrix::map(x, y, tx, ty); }
+	inline TQPoint map( const QPoint &p ) const { return QMatrix::map(p); }
+	inline TQRegion map( const QRegion &r ) const { return QMatrix::map(r); }
+	TQPointArray map( const TQPointArray &a ) const;
+
+	TQRegion mapToRegion(const QRect &r) const;
+
+	enum TransformationMode {
+		Points, Areas
+	};
+	static void setTransformationMode( TQWMatrix::TransformationMode m );
+	static TransformationMode transformationMode();
+
+	TQPointArray operator * ( const TQPointArray &a ) const;
+
+	TQWMatrix &operator*=( const TQWMatrix & );
+
+	// Interoperability
+	inline TQWMatrix &operator=( const QMatrix &qm ) { return *this = qm; }
+
+// 	TQWMatrix(QMatrix a) {
+// 		setMatrix(a.m11(), a.m12()
+// 	}
+
+// 	inline operator QMatrix() const { return *this; }
+
+	// Interoperability
+	static const TQWMatrix& convertFromQMatrix( QMatrix& qs );
+};
+
+// Interoperability
+inline static const TQWMatrix& convertFromQMatrix( const QMatrix& qs ) {
+	return (*static_cast<const TQWMatrix*>(&qs));
+}
+
+TQ_EXPORT TQWMatrix operator*( const TQWMatrix &, const TQWMatrix & );
+
+#else // USE_QT4
+
+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 // USE_QT4
+
+#endif // TQT_NO_WMATRIX
+
+#endif // TQWMATRIX_H