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/*
Copyright (C) 2003 Nikolas Zimmermann <wildfox@kde.org>
This file is part of the KDE project
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
aint with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef T2P_AFFINE_H
#define T2P_AFFINE_H
namespace T2P
{
class Point;
class Affine
{
public:
Affine();
Affine(double affine[6]);
Affine(const Affine &other);
Affine(double m11, double m12, double m21, double m22, double dx, double dy);
~Affine();
Affine &operator*=(Affine &other);
Affine &operator=(const Affine &other);
double &m11();
double &m12();
double &m21();
double &m22();
double &dx();
double &dy();
void scale(double s);
void scale(double sx, double sy);
void translate(const Point &point); // Assumes point is already transformed
void translate(double tx, double ty);
void rotate(double angle);
void rotateAround(double angle, const Point &point); // Assumes point is already transformed
void rotateAround(double angle, double cx, double cy);
Point mapPoint(const Point &p) const;
// Internal
double *data();
private:
double m_affine[6];
};
}
#endif
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