1/*
2 * Copyright (C) 2010 University of Szeged
3 * Copyright (C) 2010 Zoltan Herczeg
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY UNIVERSITY OF SZEGED ``AS IS'' AND ANY
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL UNIVERSITY OF SZEGED OR
18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#ifndef RenderSVGResourceFilterPrimitive_h
28#define RenderSVGResourceFilterPrimitive_h
29
30#if ENABLE(SVG) && ENABLE(FILTERS)
31
32#include "RenderSVGHiddenContainer.h"
33#include "RenderSVGResourceFilter.h"
34
35namespace WebCore {
36
37class FilterEffect;
38
39class RenderSVGResourceFilterPrimitive : public RenderSVGHiddenContainer {
40public:
41    explicit RenderSVGResourceFilterPrimitive(SVGStyledElement* filterPrimitiveElement)
42        : RenderSVGHiddenContainer(filterPrimitiveElement)
43    {
44    }
45
46    virtual void styleDidChange(StyleDifference, const RenderStyle*);
47
48    virtual const char* renderName() const { return "RenderSVGResourceFilterPrimitive"; }
49    virtual bool isSVGResourceFilterPrimitive() const { return true; }
50
51    // They depend on the RenderObject argument of RenderSVGResourceFilter::applyResource.
52    static FloatRect determineFilterPrimitiveSubregion(FilterEffect*);
53
54    inline void primitiveAttributeChanged(const QualifiedName& attribute)
55    {
56        RenderObject* filter = parent();
57        if (!filter || !filter->isSVGResourceFilter())
58            return;
59        static_cast<RenderSVGResourceFilter*>(filter)->primitiveAttributeChanged(this, attribute);
60    }
61};
62
63} // namespace WebCore
64
65#endif // ENABLE(SVG) && ENABLE(FILTERS)
66
67#endif // RenderSVGResourceFilterPrimitive_h
68