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SVGFEImage.cpp
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1 /*
2  Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann@kde.org>
3  2004, 2005 Rob Buis <buis@kde.org>
4  2005 Eric Seidel <eric@webkit.org>
5 
6  This library is free software; you can redistribute it and/or
7  modify it under the terms of the GNU Library General Public
8  License as published by the Free Software Foundation; either
9  version 2 of the License, or (at your option) any later version.
10 
11  This library is distributed in the hope that it will be useful,
12  but WITHOUT ANY WARRANTY; without even the implied warranty of
13  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  Library General Public License for more details.
15 
16  You should have received a copy of the GNU Library General Public License
17  aint with this library; see the file COPYING.LIB. If not, write to
18  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
19  Boston, MA 02110-1301, USA.
20 */
21 
22 #include "config.h"
23 
24 #if ENABLE(SVG) && ENABLE(SVG_FILTERS)
25 #include "SVGFEImage.h"
26 
27 #include "SVGResourceFilter.h"
28 #include "TextStream.h"
29 
30 namespace WebCore {
31 
32 SVGFEImage::SVGFEImage(SVGResourceFilter* filter)
33  : SVGFilterEffect(filter)
34  , m_cachedImage(0)
35 {
36 }
37 
38 SVGFEImage::~SVGFEImage()
39 {
40  if (m_cachedImage)
41  m_cachedImage->removeClient(this);
42 }
43 
44 CachedImage* SVGFEImage::cachedImage() const
45 {
46  return m_cachedImage;
47 }
48 
49 void SVGFEImage::setCachedImage(CachedImage* image)
50 {
51  if (m_cachedImage == image)
52  return;
53 
54  if (m_cachedImage)
55  m_cachedImage->removeClient(this);
56 
57  m_cachedImage = image;
58 
59  if (m_cachedImage)
60  m_cachedImage->addClient(this);
61 }
62 
63 TextStream& SVGFEImage::externalRepresentation(TextStream& ts) const
64 {
65  ts << "[type=IMAGE] ";
66  SVGFilterEffect::externalRepresentation(ts);
67  // FIXME: should this dump also object returned by SVGFEImage::image() ?
68  return ts;
69 
70 }
71 
72 void SVGFEImage::imageChanged(CachedImage*)
73 {
74  if (SVGResourceFilter* filterResource = filter())
75  filterResource->invalidate();
76 }
77 
78 } // namespace WebCore
79 
80 #endif // ENABLE(SVG) && ENABLE(SVG_FILTERS)
SVGFEImage.h
SVGResourceFilter.h
QtConcurrent::filter
QFuture< void > filter(Sequence &sequence, FilterFunction filterFunction)
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