1 /* 2 Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann (at) kde.org> 3 2004, 2005 Rob Buis <buis (at) kde.org> 4 5 This library is free software; you can redistribute it and/or 6 modify it under the terms of the GNU Library General Public 7 License as published by the Free Software Foundation; either 8 version 2 of the License, or (at your option) any later version. 9 10 This library is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 Library General Public License for more details. 14 15 You should have received a copy of the GNU Library General Public License 16 along with this library; see the file COPYING.LIB. If not, write to 17 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 18 Boston, MA 02110-1301, USA. 19 */ 20 21 #ifndef SVGTransform_h 22 #define SVGTransform_h 23 24 #if ENABLE(SVG) 25 #include "AffineTransform.h" 26 #include "FloatPoint.h" 27 #include "SVGNames.h" 28 29 namespace WebCore { 30 31 class FloatSize; 32 33 class SVGTransform { 34 public: 35 enum SVGTransformType { 36 SVG_TRANSFORM_UNKNOWN = 0, 37 SVG_TRANSFORM_MATRIX = 1, 38 SVG_TRANSFORM_TRANSLATE = 2, 39 SVG_TRANSFORM_SCALE = 3, 40 SVG_TRANSFORM_ROTATE = 4, 41 SVG_TRANSFORM_SKEWX = 5, 42 SVG_TRANSFORM_SKEWY = 6 43 }; 44 45 SVGTransform(); 46 SVGTransform(SVGTransformType); 47 explicit SVGTransform(const AffineTransform&); 48 virtual ~SVGTransform(); 49 50 SVGTransformType type() const; 51 52 AffineTransform matrix() const; 53 54 float angle() const; 55 FloatPoint rotationCenter() const; 56 57 void setMatrix(AffineTransform); 58 59 void setTranslate(float tx, float ty); 60 void setScale(float sx, float sy); 61 void setRotate(float angle, float cx, float cy); 62 void setSkewX(float angle); 63 void setSkewY(float angle); 64 65 // Internal use only (animation system) 66 FloatPoint translate() const; 67 FloatSize scale() const; 68 69 bool isValid(); 70 71 private: 72 SVGTransformType m_type; 73 float m_angle; 74 FloatPoint m_center; 75 AffineTransform m_matrix; 76 }; 77 78 inline bool operator==(const SVGTransform& a, const SVGTransform& b) 79 { 80 return a.type() == b.type() && a.angle() == b.angle() && a.matrix() == b.matrix(); 81 } 82 83 inline bool operator!=(const SVGTransform& a, const SVGTransform& b) 84 { 85 return !(a == b); 86 } 87 88 } // namespace WebCore 89 90 #endif // ENABLE(SVG) 91 #endif 92
