KHtml

SVGGradientElement.h
1 /*
2  Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <[email protected]>
3  2004, 2005, 2006 Rob Buis <[email protected]>
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 
35 class SVGGradientElement;
36 class SVGTransformList;
37 
38 class SVGGradientElement : public SVGStyledElement,
39  public SVGURIReference,
40  public SVGExternalResourcesRequired
41 {
42 public:
43  enum SVGGradientType {
44  SVG_SPREADMETHOD_UNKNOWN = 0,
45  SVG_SPREADMETHOD_PAD = 1,
46  SVG_SPREADMETHOD_REFLECT = 2,
47  SVG_SPREADMETHOD_REPEAT = 3
48  };
49 
50  SVGGradientElement(const QualifiedName &, Document *);
51  virtual ~SVGGradientElement();
52 
53  void parseMappedAttribute(MappedAttribute *) override;
54  void svgAttributeChanged(const QualifiedName &) override;
55 
56  using DOM::NodeImpl::childrenChanged;
57  void childrenChanged(bool changedByParser = false, Node *beforeChange = nullptr, Node *afterChange = nullptr, int childCountDelta = 0) override;
58  RenderObject *createRenderer(RenderArena *, RenderStyle *) override;
59 
60  SVGResource *canvasResource() override;
61 
62 protected:
63  friend class SVGPaintServerGradient;
64  friend class SVGLinearGradientElement;
65  friend class SVGRadialGradientElement;
66 
67  virtual void buildGradient() const = 0;
68  virtual SVGPaintServerType gradientType() const = 0;
69 
70  Vector<SVGGradientStop> buildStops() const;
71  mutable RefPtr<SVGPaintServerGradient> m_resource;
72 
73 protected:
74  ANIMATED_PROPERTY_FORWARD_DECLARATIONS(SVGURIReference, String, Href, href)
75  ANIMATED_PROPERTY_FORWARD_DECLARATIONS(SVGExternalResourcesRequired, bool, ExternalResourcesRequired, externalResourcesRequired)
76 
77  ANIMATED_PROPERTY_DECLARATIONS(SVGGradientElement, int, int, SpreadMethod, spreadMethod)
78  ANIMATED_PROPERTY_DECLARATIONS(SVGGradientElement, int, int, GradientUnits, gradientUnits)
79  ANIMATED_PROPERTY_DECLARATIONS(SVGGradientElement, SVGTransformList *, RefPtr<SVGTransformList>, GradientTransform, gradientTransform)
80 };
81 
82 } // namespace WebCore
83 
84 #endif // ENABLE(SVG)
85 #endif
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