2 * Copyright (C) 2009 Dirk Schulze <krit@webkit.org>
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
14 * You should have received a copy of the GNU Library General Public License
15 * along with this library; see the file COPYING.LIB. If not, write to
16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17 * Boston, MA 02110-1301, USA.
23 #include "SourceGraphic.h"
26 #include "GraphicsContext.h"
27 #include "PlatformString.h"
28 #include "RenderTreeAsText.h"
29 #include "TextStream.h"
31 #include <wtf/StdLibExtras.h>
35 PassRefPtr<SourceGraphic> SourceGraphic::create(Filter* filter)
37 return adoptRef(new SourceGraphic(filter));
40 const AtomicString& SourceGraphic::effectName()
42 DEFINE_STATIC_LOCAL(const AtomicString, s_effectName, ("SourceGraphic"));
46 void SourceGraphic::determineAbsolutePaintRect()
48 Filter* filter = this->filter();
49 FloatRect paintRect = filter->sourceImageRect();
50 paintRect.scale(filter->filterResolution().width(), filter->filterResolution().height());
51 setAbsolutePaintRect(enclosingIntRect(paintRect));
54 void SourceGraphic::apply()
58 ImageBuffer* resultImage = createImageBufferResult();
59 Filter* filter = this->filter();
60 if (!resultImage || !filter->sourceImage())
63 resultImage->context()->drawImageBuffer(filter->sourceImage(), ColorSpaceDeviceRGB, IntPoint());
66 void SourceGraphic::dump()
70 TextStream& SourceGraphic::externalRepresentation(TextStream& ts, int indent) const
72 writeIndent(ts, indent);
73 ts << "[SourceGraphic]\n";
77 } // namespace WebCore
79 #endif // ENABLE(FILTERS)