KHtml

SVGFEFloodElement.cpp
1 /*
2  Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <[email protected]>
3  2004, 2005, 2007, 2008 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 #if ENABLE(SVG) && ENABLE(SVG_FILTERS)
24 #include "SVGFEFloodElement.h"
25 
26 #include "Attr.h"
27 #include "RenderStyle.h"
28 #include "SVGNames.h"
29 #include "SVGRenderStyle.h"
30 #include "SVGResourceFilter.h"
31 
32 namespace WebCore
33 {
34 
35 SVGFEFloodElement::SVGFEFloodElement(const QualifiedName &tagName, Document *doc)
36  : SVGFilterPrimitiveStandardAttributes(tagName, doc)
37  , m_filterEffect(0)
38 {
39 }
40 
41 SVGFEFloodElement::~SVGFEFloodElement()
42 {
43  delete m_filterEffect;
44 }
45 
46 void SVGFEFloodElement::parseMappedAttribute(MappedAttribute *attr)
47 {
48  SVGFilterPrimitiveStandardAttributes::parseMappedAttribute(attr);
49 }
50 
51 SVGFEFlood *SVGFEFloodElement::filterEffect(SVGResourceFilter *filter) const
52 {
53  if (!m_filterEffect) {
54  m_filterEffect = new SVGFEFlood(filter);
55  }
56 
57  setStandardAttributes(m_filterEffect);
58 
59  SVGFEFloodElement *nonConstThis = const_cast<SVGFEFloodElement *>(this);
60 
61  RenderStyle *parentStyle = nonConstThis->styleForRenderer(parent()->renderer());
62  RenderStyle *filterStyle = nonConstThis->resolveStyle(parentStyle);
63 
64  m_filterEffect->setFloodColor(filterStyle->svgStyle()->floodColor());
65  m_filterEffect->setFloodOpacity(filterStyle->svgStyle()->floodOpacity());
66 
67  parentStyle->deref(document()->renderArena());
68  filterStyle->deref(document()->renderArena());
69 
70  return m_filterEffect;
71 }
72 
73 }
74 
75 #endif // ENABLE(SVG)
76 
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