khtml/svg/SVGGradientElement.h

   1 /*
   2     Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org>
   3                   2004, 2005, 2006 Rob Buis <buis@kde.org>
   4
   5     This file is part of the KDE project
   6
   7     This library is free software; you can redistribute it and/or
   8     modify it under the terms of the GNU Library General Public
   9     License as published by the Free Software Foundation; either
  10     version 2 of the License, or (at your option) any later version.
  11
  12     This library is distributed in the hope that it will be useful,
  13     but WITHOUT ANY WARRANTY; without even the implied warranty of
  14     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15     Library General Public License for more details.
  16
  17     You should have received a copy of the GNU Library General Public License
  18     along with this library; see the file COPYING.LIB.  If not, write to
  19     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  20     Boston, MA 02110-1301, USA.
  21 */
  22
  23 #ifndef SVGGradientElement_h
  24 #define SVGGradientElement_h
  25
  26 #if ENABLE(SVG)
  27 #include "SVGPaintServerGradient.h"
  28 #include "SVGExternalResourcesRequired.h"
  29 #include "SVGStyledElement.h"
  30 #include "SVGURIReference.h"
  31
  32 namespace WebCore {
  33
  34     class SVGGradientElement;
  35     class SVGTransformList;
  36
  37     class SVGGradientElement : public SVGStyledElement,
  38                                public SVGURIReference,
  39                                public SVGExternalResourcesRequired {
  40     public:
  41         enum SVGGradientType {
  42             SVG_SPREADMETHOD_UNKNOWN = 0,
  43             SVG_SPREADMETHOD_PAD     = 1,
  44             SVG_SPREADMETHOD_REFLECT = 2,
  45             SVG_SPREADMETHOD_REPEAT  = 3
  46         };
  47
  48         SVGGradientElement(const QualifiedName&, Document*);
  49         virtual ~SVGGradientElement();
  50
  51         virtual void parseMappedAttribute(MappedAttribute*);
  52         virtual void svgAttributeChanged(const QualifiedName&);
  53
  54         virtual void childrenChanged(bool changedByParser = false, Node* beforeChange = 0, Node* afterChange = 0, int childCountDelta = 0);
  55         virtual RenderObject* createRenderer(RenderArena*, RenderStyle*);
  56
  57         virtual SVGResource* canvasResource();
  58
  59     protected:
  60         friend class SVGPaintServerGradient;
  61         friend class SVGLinearGradientElement;
  62         friend class SVGRadialGradientElement;
  63
  64         virtual void buildGradient() const = 0;
  65         virtual SVGPaintServerType gradientType() const = 0;
  66
  67         Vector<SVGGradientStop> buildStops() const;
  68         mutable RefPtr<SVGPaintServerGradient> m_resource;
  69
  70     protected:
  71         ANIMATED_PROPERTY_FORWARD_DECLARATIONS(SVGURIReference, String, Href, href)
  72         ANIMATED_PROPERTY_FORWARD_DECLARATIONS(SVGExternalResourcesRequired, bool, ExternalResourcesRequired, externalResourcesRequired)
  73
  74         ANIMATED_PROPERTY_DECLARATIONS(SVGGradientElement, int, int, SpreadMethod, spreadMethod)
  75         ANIMATED_PROPERTY_DECLARATIONS(SVGGradientElement, int, int, GradientUnits, gradientUnits)
  76         ANIMATED_PROPERTY_DECLARATIONS(SVGGradientElement, SVGTransformList*, RefPtr<SVGTransformList>, GradientTransform, gradientTransform)
  77     };
  78
  79 } // namespace WebCore
  80
  81 #endif // ENABLE(SVG)
  82 #endif