1/*
2 * Copyright (C) 2007 Eric Seidel <eric@webkit.org>
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12 * Library General Public License for more details.
13 *
14 * You should have received a copy of the GNU Library General Public License
15 * along with this library; see the file COPYING.LIB.  If not, write to
16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17 * Boston, MA 02110-1301, USA.
18 */
19
20#ifndef SVGTransformDistance_h
21#define SVGTransformDistance_h
22
23#include "core/svg/SVGTransform.h"
24
25namespace blink {
26
27class AffineTransform;
28
29class SVGTransformDistance {
30public:
31    SVGTransformDistance();
32    SVGTransformDistance(PassRefPtr<SVGTransform> fromTransform, PassRefPtr<SVGTransform> toTransform);
33
34    SVGTransformDistance scaledDistance(float scaleFactor) const;
35    PassRefPtr<SVGTransform> addToSVGTransform(PassRefPtr<SVGTransform>) const;
36
37    static PassRefPtr<SVGTransform> addSVGTransforms(PassRefPtr<SVGTransform>, PassRefPtr<SVGTransform>, unsigned repeatCount = 1);
38
39    float distance() const;
40
41private:
42    SVGTransformDistance(SVGTransformType, float angle, float cx, float cy, const AffineTransform&);
43
44    SVGTransformType m_transformType;
45    float m_angle;
46    float m_cx;
47    float m_cy;
48    AffineTransform m_transform; // for storing scale, translation or matrix transforms
49};
50}
51
52#endif // SVGTransformDistance_h
53