1/*
2 * Copyright (C) 2009 Dirk Schulze <krit@webkit.org>
3 *
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.
8 *
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.
13 *
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.
18 */
19
20#include "config.h"
21
22#if ENABLE(FILTERS)
23#include "SourceGraphic.h"
24
25#include "Filter.h"
26#include "GraphicsContext.h"
27#include "RenderTreeAsText.h"
28#include "TextStream.h"
29#include <wtf/StdLibExtras.h>
30#include <wtf/text/WTFString.h>
31
32namespace WebCore {
33
34PassRefPtr<SourceGraphic> SourceGraphic::create(Filter* filter)
35{
36    return adoptRef(new SourceGraphic(filter));
37}
38
39const AtomicString& SourceGraphic::effectName()
40{
41    DEFINE_STATIC_LOCAL(const AtomicString, s_effectName, ("SourceGraphic", AtomicString::ConstructFromLiteral));
42    return s_effectName;
43}
44
45void SourceGraphic::determineAbsolutePaintRect()
46{
47    Filter* filter = this->filter();
48    FloatRect paintRect = filter->sourceImageRect();
49    paintRect.scale(filter->filterResolution().width(), filter->filterResolution().height());
50    setAbsolutePaintRect(enclosingIntRect(paintRect));
51}
52
53void SourceGraphic::platformApplySoftware()
54{
55    ImageBuffer* resultImage = createImageBufferResult();
56    Filter* filter = this->filter();
57    if (!resultImage || !filter->sourceImage())
58        return;
59
60    resultImage->context()->drawImageBuffer(filter->sourceImage(), ColorSpaceDeviceRGB, IntPoint());
61}
62
63void SourceGraphic::dump()
64{
65}
66
67TextStream& SourceGraphic::externalRepresentation(TextStream& ts, int indent) const
68{
69    writeIndent(ts, indent);
70    ts << "[SourceGraphic]\n";
71    return ts;
72}
73
74} // namespace WebCore
75
76#endif // ENABLE(FILTERS)
77