1 /* 2 Copyright (C) 2004, 2005 Nikolas Zimmermann <wildfox@kde.org> 3 2004, 2005, 2007 Rob Buis <buis@kde.org> 4 5 This file is part of the KDE project 6 7 This library is free software; you can redistribute it and/or 8 modify it under the terms of the GNU Library General Public 9 License as published by the Free Software Foundation; either 10 version 2 of the License, or (at your option) any later version. 11 12 This library is distributed in the hope that it will be useful, 13 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 Library General Public License for more details. 16 17 You should have received a copy of the GNU Library General Public License 18 along with this library; see the file COPYING.LIB. If not, write to 19 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 20 Boston, MA 02110-1301, USA. 21 */ 22 23 #ifndef SVGLocatable_h 24 #define SVGLocatable_h 25 26 #if ENABLE(SVG) 27 28 #include "ExceptionCode.h" 29 30 namespace WebCore { 31 32 class TransformationMatrix; 33 class FloatRect; 34 class SVGElement; 35 36 class SVGLocatable { 37 public: 38 SVGLocatable(); 39 virtual ~SVGLocatable(); 40 41 // 'SVGLocatable' functions 42 virtual SVGElement* nearestViewportElement() const = 0; 43 virtual SVGElement* farthestViewportElement() const = 0; 44 45 virtual FloatRect getBBox() const = 0; 46 virtual TransformationMatrix getCTM() const = 0; 47 virtual TransformationMatrix getScreenCTM() const = 0; 48 TransformationMatrix getTransformToElement(SVGElement*, ExceptionCode&) const; 49 50 static SVGElement* nearestViewportElement(const SVGElement*); 51 static SVGElement* farthestViewportElement(const SVGElement*); 52 53 protected: 54 static FloatRect getBBox(const SVGElement*); 55 static TransformationMatrix getCTM(const SVGElement*); 56 static TransformationMatrix getScreenCTM(const SVGElement*); 57 }; 58 59 } // namespace WebCore 60 61 #endif // ENABLE(SVG) 62 #endif // SVGLocatable_h 63 64 // vim:ts=4:noet 65