khtml/svg/SVGMaskElement.h

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