1/* 2 Copyright (C) 2005 Alexander Kellett <lypanov@kde.org> 3 4 This library is free software; you can redistribute it and/or 5 modify it under the terms of the GNU Library General Public 6 License as published by the Free Software Foundation; either 7 version 2 of the License, or (at your option) any later version. 8 9 This library is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 Library General Public License for more details. 13 14 You should have received a copy of the GNU Library General Public License 15 along with this library; see the file COPYING.LIB. If not, write to 16 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 17 Boston, MA 02110-1301, USA. 18*/ 19 20#ifndef SVGMaskElement_h 21#define SVGMaskElement_h 22 23#if ENABLE(SVG) 24#include "RenderObject.h" 25#include "SVGResourceMasker.h" 26#include "SVGExternalResourcesRequired.h" 27#include "SVGLangSpace.h" 28#include "SVGStyledLocatableElement.h" 29#include "SVGTests.h" 30#include "SVGURIReference.h" 31#include <wtf/HashMap.h> 32#include <wtf/PassOwnPtr.h> 33 34namespace WebCore { 35 36 class SVGLength; 37 class SVGResourceMasker; 38 39 class SVGMaskElement : public SVGStyledLocatableElement, 40 public SVGURIReference, 41 public SVGTests, 42 public SVGLangSpace, 43 public SVGExternalResourcesRequired { 44 public: 45 SVGMaskElement(const QualifiedName&, Document*); 46 virtual ~SVGMaskElement(); 47 virtual bool isValid() const { return SVGTests::isValid(); } 48 49 FloatRect maskBoundingBox(const FloatRect&) const; 50 virtual void parseMappedAttribute(MappedAttribute*); 51 virtual void svgAttributeChanged(const QualifiedName&); 52 virtual void synchronizeProperty(const QualifiedName&); 53 virtual void childrenChanged(bool changedByParser = false, Node* beforeChange = 0, Node* afterChange = 0, int childCountDelta = 0); 54 55 virtual RenderObject* createRenderer(RenderArena*, RenderStyle*); 56 virtual SVGResource* canvasResource(const RenderObject*); 57 58 PassOwnPtr<ImageBuffer> drawMaskerContent(const RenderObject*, FloatRect& maskRect, bool& emptyMask) const; 59 60 private: 61 DECLARE_ANIMATED_PROPERTY(SVGMaskElement, SVGNames::maskUnitsAttr, int, MaskUnits, maskUnits) 62 DECLARE_ANIMATED_PROPERTY(SVGMaskElement, SVGNames::maskContentUnitsAttr, int, MaskContentUnits, maskContentUnits) 63 DECLARE_ANIMATED_PROPERTY(SVGMaskElement, SVGNames::xAttr, SVGLength, X, x) 64 DECLARE_ANIMATED_PROPERTY(SVGMaskElement, SVGNames::yAttr, SVGLength, Y, y) 65 DECLARE_ANIMATED_PROPERTY(SVGMaskElement, SVGNames::widthAttr, SVGLength, Width, width) 66 DECLARE_ANIMATED_PROPERTY(SVGMaskElement, SVGNames::heightAttr, SVGLength, Height, height) 67 68 // SVGURIReference 69 DECLARE_ANIMATED_PROPERTY(SVGMaskElement, XLinkNames::hrefAttr, String, Href, href) 70 71 // SVGExternalResourcesRequired 72 DECLARE_ANIMATED_PROPERTY(SVGMaskElement, SVGNames::externalResourcesRequiredAttr, bool, ExternalResourcesRequired, externalResourcesRequired) 73 74 virtual void invalidateCanvasResources(); 75 76 HashMap<const RenderObject*, RefPtr<SVGResourceMasker> > m_masker; 77 }; 78 79} // namespace WebCore 80 81#endif // ENABLE(SVG) 82#endif 83