2 * Copyright (C) 2006 Nikolas Zimmermann <zimmermann@kde.org>
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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27 #include "AffineTransform.h"
30 #include "FloatRect.h"
34 AffineTransform::AffineTransform()
39 AffineTransform::AffineTransform(double a, double b, double c, double d, double tx, double ty)
40 : m_transform(a, b, c, d, tx, ty)
44 AffineTransform::AffineTransform(const QMatrix& matrix)
49 void AffineTransform::setMatrix(double a, double b, double c, double d, double tx, double ty)
51 m_transform.setMatrix(a, b, c, d, tx, ty);
54 void AffineTransform::map(double x, double y, double* x2, double* y2) const
56 m_transform.map(x, y, x2, y2);
59 IntRect AffineTransform::mapRect(const IntRect& rect) const
61 return m_transform.mapRect(rect);
64 FloatRect AffineTransform::mapRect(const FloatRect& rect) const
66 return m_transform.mapRect(rect);
69 bool AffineTransform::isIdentity() const
71 return m_transform.isIdentity();
74 double AffineTransform::m11() const
76 return m_transform.m11();
79 double AffineTransform::m12() const
81 return m_transform.m12();
84 double AffineTransform::m21() const
86 return m_transform.m21();
89 double AffineTransform::m22() const
91 return m_transform.m22();
94 double AffineTransform::dx() const
96 return m_transform.dx();
99 double AffineTransform::dy() const
101 return m_transform.dy();
104 void AffineTransform::reset()
109 AffineTransform& AffineTransform::scale(double sx, double sy)
111 m_transform.scale(sx, sy);
115 AffineTransform& AffineTransform::rotate(double d)
117 m_transform.rotate(d);
121 AffineTransform& AffineTransform::translate(double tx, double ty)
123 m_transform.translate(tx, ty);
127 AffineTransform& AffineTransform::shear(double sx, double sy)
129 m_transform.shear(sx, sy);
133 double AffineTransform::det() const
135 return m_transform.det();
138 AffineTransform AffineTransform::invert() const
141 return AffineTransform();
143 return m_transform.inverted();
146 AffineTransform::operator QMatrix() const
151 bool AffineTransform::operator==(const AffineTransform& other) const
153 return m_transform == other.m_transform;
156 AffineTransform& AffineTransform::operator*=(const AffineTransform& other)
158 m_transform *= other.m_transform;
162 AffineTransform AffineTransform::operator*(const AffineTransform& other)
164 return m_transform * other.m_transform;