KHtml

SVGFEImage.cpp
1 /*
2  Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <[email protected]>
3  2004, 2005 Rob Buis <[email protected]>
4  2005 Eric Seidel <[email protected]>
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 #if ENABLE(SVG) && ENABLE(SVG_FILTERS)
23 #include "SVGFEImage.h"
24 
25 #include "SVGResourceFilter.h"
26 #include "TextStream.h"
27 
28 namespace WebCore
29 {
30 
31 SVGFEImage::SVGFEImage(SVGResourceFilter *filter)
32  : SVGFilterEffect(filter)
33  , m_cachedImage(0)
34 {
35 }
36 
37 SVGFEImage::~SVGFEImage()
38 {
39  if (m_cachedImage) {
40  m_cachedImage->removeClient(this);
41  }
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 
55  if (m_cachedImage) {
56  m_cachedImage->removeClient(this);
57  }
58 
59  m_cachedImage = image;
60 
61  if (m_cachedImage) {
62  m_cachedImage->addClient(this);
63  }
64 }
65 
66 TextStream &SVGFEImage::externalRepresentation(TextStream &ts) const
67 {
68  ts << "[type=IMAGE] ";
69  SVGFilterEffect::externalRepresentation(ts);
70  // FIXME: should this dump also object returned by SVGFEImage::image() ?
71  return ts;
72 
73 }
74 
75 void SVGFEImage::imageChanged(CachedImage *)
76 {
77  if (SVGResourceFilter *filterResource = filter()) {
78  filterResource->invalidate();
79  }
80 }
81 
82 } // namespace WebCore
83 
84 #endif // ENABLE(SVG) && ENABLE(SVG_FILTERS)
QFuture< void > filter(Sequence &sequence, KeepFunctor filterFunction)
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