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#if ENABLE(SVG)
23
24#include "SVGTransform.h"
25
26namespace WebCore {
27
28class AffineTransform;
29
30class SVGTransformDistance {
31public:
32    SVGTransformDistance();
33    SVGTransformDistance(const SVGTransform& fromTransform, const SVGTransform& toTransform);
34
35    SVGTransformDistance scaledDistance(float scaleFactor) const;
36    SVGTransform addToSVGTransform(const SVGTransform&) const;
37
38    static SVGTransform addSVGTransforms(const SVGTransform&, const SVGTransform&, unsigned repeatCount = 1);
39
40    bool isZero() const;
41
42    float distance() const;
43private:
44    SVGTransformDistance(SVGTransform::SVGTransformType, float angle, float cx, float cy, const AffineTransform&);
45
46    SVGTransform::SVGTransformType m_type;
47    float m_angle;
48    float m_cx;
49    float m_cy;
50    AffineTransform m_transform; // for storing scale, translation or matrix transforms
51};
52}
53
54#endif // ENABLE(SVG)
55#endif // SVGTransformDistance_h
56