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 26 namespace WebCore { 27 28 class AffineTransform; 29 30 class SVGTransformDistance { 31 public: 32 SVGTransformDistance(); 33 SVGTransformDistance(const SVGTransform& fromTransform, const SVGTransform& toTransform); 34 35 SVGTransformDistance scaledDistance(float scaleFactor) const; 36 SVGTransform addToSVGTransform(const SVGTransform&) const; 37 void addSVGTransform(const SVGTransform&, bool absoluteValue = false); 38 39 static SVGTransform addSVGTransforms(const SVGTransform&, const SVGTransform&); 40 41 bool isZero() const; 42 43 float distance() const; 44 private: 45 SVGTransformDistance(SVGTransform::SVGTransformType, float angle, float cx, float cy, const AffineTransform&); 46 47 SVGTransform::SVGTransformType m_type; 48 float m_angle; 49 float m_cx; 50 float m_cy; 51 AffineTransform m_transform; // for storing scale, translation or matrix transforms 52 }; 53 } 54 55 #endif // ENABLE(SVG) 56 #endif // SVGTransformDistance_h 57