/****************************************************************************
** $Id: qwmatrix.h,v 2.4.2.2 1998/08/25 09:20:53 hanord Exp $
**
** Definition of QWMatrix class
**
** Created : 941020
**
** Copyright (C) 1992-1998 Troll Tech AS. All rights reserved.
**
** This file is part of Troll Tech's internal development tree for Qt.
**
** This header text will be replaced by an appropriate text by the
** mkdist script which generates external distributions.
**
** If you are using the Qt Professional Edition or the Qt Free Edition,
** please notify Troll Tech at <info@troll.no> if you see this text.
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** To Troll Tech developers: This header was generated by the script
** fixcopyright-int. It has the same number of text lines as the free
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*****************************************************************************/
#ifndef QWMATRIX_H
#define QWMATRIX_H
#ifndef QT_H
#include "qwindowdefs.h"
#include "qpointarray.h"
#include "qrect.h"
#endif // QT_H
class Q_EXPORT QWMatrix // 2D transform matrix
{
public:
QWMatrix();
QWMatrix( float m11, float m12, float m21, float m22,
float dx, float dy );
void setMatrix( float m11, float m12, float m21, float m22,
float dx, float dy );
float m11() const { return _m11; }
float m12() const { return _m12; }
float m21() const { return _m21; }
float m22() const { return _m22; }
float dx() const { return _dx; }
float dy() const { return _dy; }
void map( int x, int y, int *tx, int *ty ) const;
void map( float x, float y, float *tx, float *ty ) const;
QPoint map( const QPoint & ) const;
QRect map( const QRect & ) const;
QPointArray map( const QPointArray & ) const;
void reset();
QWMatrix &translate( float dx, float dy );
QWMatrix &scale( float sx, float sy );
QWMatrix &shear( float sh, float sv );
QWMatrix &rotate( float a );
QWMatrix invert( bool * = 0 ) const;
bool operator==( const QWMatrix & ) const;
bool operator!=( const QWMatrix & ) const;
QWMatrix &operator*=( const QWMatrix & );
private:
QWMatrix &bmul( const QWMatrix & );
float _m11, _m12;
float _m21, _m22;
float _dx, _dy;
};
Q_EXPORT QWMatrix operator*( const QWMatrix &, const QWMatrix & );
/*****************************************************************************
QWMatrix stream functions
*****************************************************************************/
Q_EXPORT QDataStream &operator<<( QDataStream &, const QWMatrix & );
Q_EXPORT QDataStream &operator>>( QDataStream &, QWMatrix & );
#endif // QWMATRIX_H
| Copyright © 1998 Troll Tech | Trademarks | Qt version 1.41
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