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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
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