1 /* 2 * Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann (at) kde.org> 3 * Copyright (C) 2004, 2005, 2006, 2007 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 SVGGraphicsElement_h 22 #define SVGGraphicsElement_h 23 24 #include "core/svg/SVGAnimatedTransformList.h" 25 #include "core/svg/SVGElement.h" 26 #include "core/svg/SVGTests.h" 27 28 namespace WebCore { 29 30 class AffineTransform; 31 class Path; 32 33 class SVGGraphicsElement : public SVGElement, public SVGTests { 34 public: 35 virtual ~SVGGraphicsElement(); 36 37 enum StyleUpdateStrategy { AllowStyleUpdate, DisallowStyleUpdate }; 38 39 AffineTransform getCTM(StyleUpdateStrategy = AllowStyleUpdate); 40 AffineTransform getScreenCTM(StyleUpdateStrategy = AllowStyleUpdate); 41 AffineTransform getTransformToElement(SVGElement*, ExceptionState&); 42 SVGElement* nearestViewportElement() const; 43 SVGElement* farthestViewportElement() const; 44 45 virtual AffineTransform localCoordinateSpaceTransform(SVGElement::CTMScope) const OVERRIDE { return animatedLocalTransform(); } 46 virtual AffineTransform animatedLocalTransform() const; 47 virtual AffineTransform* supplementalTransform(); 48 49 virtual SVGRect getBBox(); 50 SVGRect getStrokeBBox(); 51 52 // "base class" methods for all the elements which render as paths 53 virtual void toClipPath(Path&); 54 virtual RenderObject* createRenderer(RenderStyle*); 55 56 protected: 57 SVGGraphicsElement(const QualifiedName&, Document&, ConstructionType = CreateSVGElement); 58 59 bool isSupportedAttribute(const QualifiedName&); 60 virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE; 61 virtual void svgAttributeChanged(const QualifiedName&); 62 63 BEGIN_DECLARE_ANIMATED_PROPERTIES(SVGGraphicsElement) 64 DECLARE_ANIMATED_TRANSFORM_LIST(Transform, transform) 65 END_DECLARE_ANIMATED_PROPERTIES 66 67 private: 68 virtual bool isSVGGraphicsElement() const OVERRIDE { return true; } 69 70 // SVGTests 71 virtual void synchronizeRequiredFeatures() { SVGTests::synchronizeRequiredFeatures(this); } 72 virtual void synchronizeRequiredExtensions() { SVGTests::synchronizeRequiredExtensions(this); } 73 virtual void synchronizeSystemLanguage() { SVGTests::synchronizeSystemLanguage(this); } 74 75 // Used by <animateMotion> 76 OwnPtr<AffineTransform> m_supplementalTransform; 77 }; 78 79 inline bool isSVGGraphicsElement(const Node& node) 80 { 81 return node.isSVGElement() && toSVGElement(node).isSVGGraphicsElement(); 82 } 83 84 DEFINE_NODE_TYPE_CASTS_WITH_FUNCTION(SVGGraphicsElement); 85 86 } // namespace WebCore 87 88 #endif // SVGGraphicsElement_h 89