1/* 2 * Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org> 3 * Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis@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 "SVGAnimatedTransformList.h" 25#include "SVGElement.h" 26#include "SVGTests.h" 27#include "SVGTransformable.h" 28 29namespace WebCore { 30 31class AffineTransform; 32class Path; 33 34class SVGGraphicsElement : public SVGElement, public SVGTransformable, public SVGTests { 35public: 36 virtual ~SVGGraphicsElement(); 37 38 virtual AffineTransform getCTM(StyleUpdateStrategy = AllowStyleUpdate) override; 39 virtual AffineTransform getScreenCTM(StyleUpdateStrategy = AllowStyleUpdate) override; 40 virtual SVGElement* nearestViewportElement() const override; 41 virtual SVGElement* farthestViewportElement() const override; 42 43 virtual AffineTransform localCoordinateSpaceTransform(SVGLocatable::CTMScope mode) const override { return SVGTransformable::localCoordinateSpaceTransform(mode); } 44 virtual AffineTransform animatedLocalTransform() const override; 45 virtual AffineTransform* supplementalTransform() override; 46 47 virtual FloatRect getBBox(StyleUpdateStrategy = AllowStyleUpdate) override; 48 49 bool shouldIsolateBlending() const { return m_shouldIsolateBlending; } 50 void setShouldIsolateBlending(bool isolate) { m_shouldIsolateBlending = isolate; } 51 52 // "base class" methods for all the elements which render as paths 53 virtual void toClipPath(Path&); 54 virtual RenderPtr<RenderElement> createElementRenderer(PassRef<RenderStyle>) override; 55 56protected: 57 SVGGraphicsElement(const QualifiedName&, Document&); 58 59 bool isSupportedAttribute(const QualifiedName&); 60 61 virtual bool supportsFocus() const override { return Element::supportsFocus() || hasFocusEventListeners(); } 62 63 virtual void parseAttribute(const QualifiedName&, const AtomicString&) override; 64 virtual void svgAttributeChanged(const QualifiedName&) override; 65 66 BEGIN_DECLARE_ANIMATED_PROPERTIES(SVGGraphicsElement) 67 DECLARE_ANIMATED_TRANSFORM_LIST(Transform, transform) 68 END_DECLARE_ANIMATED_PROPERTIES 69 70private: 71 virtual bool isSVGGraphicsElement() const override { return true; } 72 73 // SVGTests 74 virtual void synchronizeRequiredFeatures() override { SVGTests::synchronizeRequiredFeatures(this); } 75 virtual void synchronizeRequiredExtensions() override { SVGTests::synchronizeRequiredExtensions(this); } 76 virtual void synchronizeSystemLanguage() override { SVGTests::synchronizeSystemLanguage(this); } 77 78 // Used by <animateMotion> 79 std::unique_ptr<AffineTransform> m_supplementalTransform; 80 81 // Used to isolate blend operations caused by masking. 82 bool m_shouldIsolateBlending; 83}; 84 85void isSVGGraphicsElement(const SVGGraphicsElement&); // Catch unnecessary runtime check of type known at compile time. 86inline bool isSVGGraphicsElement(const SVGElement& element) { return element.isSVGGraphicsElement(); } 87inline bool isSVGGraphicsElement(const Node& node) { return node.isSVGElement() && toSVGElement(node).isSVGGraphicsElement(); } 88NODE_TYPE_CASTS(SVGGraphicsElement) 89 90} // namespace WebCore 91 92#endif // SVGGraphicsElement_h 93