1/* 2 * Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann@kde.org> 3 * Copyright (C) 2004, 2005, 2006 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 SVGFilterPrimitiveStandardAttributes_h 22#define SVGFilterPrimitiveStandardAttributes_h 23 24#include "core/rendering/svg/RenderSVGResource.h" 25#include "core/svg/SVGAnimatedLength.h" 26#include "core/svg/SVGAnimatedString.h" 27#include "core/svg/SVGElement.h" 28#include "wtf/PassRefPtr.h" 29#include "wtf/RefPtr.h" 30 31namespace WebCore { 32 33class Filter; 34class FilterEffect; 35class RenderSVGResourceFilterPrimitive; 36class SVGFilterBuilder; 37 38class SVGFilterPrimitiveStandardAttributes : public SVGElement { 39public: 40 void setStandardAttributes(FilterEffect*) const; 41 42 virtual PassRefPtr<FilterEffect> build(SVGFilterBuilder*, Filter* filter) = 0; 43 // Returns true, if the new value is different from the old one. 44 virtual bool setFilterEffectAttribute(FilterEffect*, const QualifiedName&); 45 46protected: 47 SVGFilterPrimitiveStandardAttributes(const QualifiedName&, Document&); 48 49 bool isSupportedAttribute(const QualifiedName&); 50 virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE; 51 virtual void svgAttributeChanged(const QualifiedName&); 52 virtual void childrenChanged(bool changedByParser = false, Node* beforeChange = 0, Node* afterChange = 0, int childCountDelta = 0); 53 54 inline void invalidate() 55 { 56 if (RenderObject* primitiveRenderer = renderer()) 57 RenderSVGResource::markForLayoutAndParentResourceInvalidation(primitiveRenderer); 58 } 59 60 void primitiveAttributeChanged(const QualifiedName&); 61 62private: 63 virtual bool isFilterEffect() const { return true; } 64 65 virtual RenderObject* createRenderer(RenderStyle*) OVERRIDE; 66 virtual bool rendererIsNeeded(const RenderStyle&) OVERRIDE; 67 virtual bool childShouldCreateRenderer(const Node& child) const OVERRIDE { return false; } 68 69 BEGIN_DECLARE_ANIMATED_PROPERTIES(SVGFilterPrimitiveStandardAttributes) 70 DECLARE_ANIMATED_LENGTH(X, x) 71 DECLARE_ANIMATED_LENGTH(Y, y) 72 DECLARE_ANIMATED_LENGTH(Width, width) 73 DECLARE_ANIMATED_LENGTH(Height, height) 74 DECLARE_ANIMATED_STRING(Result, result) 75 END_DECLARE_ANIMATED_PROPERTIES 76}; 77 78void invalidateFilterPrimitiveParent(SVGElement*); 79 80} // namespace WebCore 81 82#endif 83