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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 #if ENABLE(SVG) && ENABLE(FILTERS)
25 #include "RenderSVGResourceFilter.h"
26 #include "RenderSVGResourceFilterPrimitive.h"
27 #include "SVGAnimatedLength.h"
28 #include "SVGAnimatedString.h"
29 #include "SVGStyledElement.h"
30 
31 #include <wtf/PassRefPtr.h>
32 #include <wtf/RefPtr.h>
33 
34 namespace WebCore {
35 
36 class Filter;
37 class FilterEffect;
38 class SVGFilterBuilder;
39 
40 class SVGFilterPrimitiveStandardAttributes : public SVGStyledElement {
41 public:
42     void setStandardAttributes(bool, FilterEffect*) const;
43 
44     virtual PassRefPtr<FilterEffect> build(SVGFilterBuilder*, Filter* filter) = 0;
45     // Returns true, if the new value is different from the old one.
46     virtual bool setFilterEffectAttribute(FilterEffect*, const QualifiedName&);
47 
48 protected:
49     SVGFilterPrimitiveStandardAttributes(const QualifiedName&, Document*);
50 
51     virtual void parseMappedAttribute(Attribute*);
52     virtual void svgAttributeChanged(const QualifiedName&);
53     virtual void synchronizeProperty(const QualifiedName&);
54     void fillPassedAttributeToPropertyTypeMap(AttributeToPropertyTypeMap&);
55     virtual void childrenChanged(bool changedByParser = false, Node* beforeChange = 0, Node* afterChange = 0, int childCountDelta = 0);
56 
invalidate()57     inline void invalidate()
58     {
59         if (RenderObject* primitiveRenderer = renderer())
60             RenderSVGResource::markForLayoutAndParentResourceInvalidation(primitiveRenderer);
61     }
62 
primitiveAttributeChanged(const QualifiedName & attribute)63     inline void primitiveAttributeChanged(const QualifiedName& attribute)
64     {
65         if (RenderObject* primitiveRenderer = renderer())
66             static_cast<RenderSVGResourceFilterPrimitive*>(primitiveRenderer)->primitiveAttributeChanged(attribute);
67     }
68 
69 private:
isFilterEffect()70     virtual bool isFilterEffect() const { return true; }
71 
72     virtual RenderObject* createRenderer(RenderArena*, RenderStyle*);
73     virtual bool rendererIsNeeded(RenderStyle*);
74 
75     // Animated property declarations
76     DECLARE_ANIMATED_LENGTH(X, x)
77     DECLARE_ANIMATED_LENGTH(Y, y)
78     DECLARE_ANIMATED_LENGTH(Width, width)
79     DECLARE_ANIMATED_LENGTH(Height, height)
80     DECLARE_ANIMATED_STRING(Result, result)
81 };
82 
83 } // namespace WebCore
84 
85 #endif // ENABLE(SVG)
86 #endif
87