1/*
2 * Copyright (C) 2009 Dirk Schulze <krit@webkit.org>
3 * Copyright (C) 2013 Google Inc. All rights reserved.
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Library General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13 * Library General Public License for more details.
14 *
15 * You should have received a copy of the GNU Library General Public License
16 * along with this library; see the file COPYING.LIB.  If not, write to
17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
18 * Boston, MA 02110-1301, USA.
19 */
20
21#include "config.h"
22
23#include "platform/graphics/filters/SourceGraphic.h"
24
25#include "platform/graphics/GraphicsContext.h"
26#include "platform/text/TextStream.h"
27#include "wtf/StdLibExtras.h"
28#include "wtf/text/WTFString.h"
29
30namespace WebCore {
31
32PassRefPtr<SourceGraphic> SourceGraphic::create(Filter* filter)
33{
34    return adoptRef(new SourceGraphic(filter));
35}
36
37const AtomicString& SourceGraphic::effectName()
38{
39    DEFINE_STATIC_LOCAL(const AtomicString, s_effectName, ("SourceGraphic", AtomicString::ConstructFromLiteral));
40    return s_effectName;
41}
42
43void SourceGraphic::determineAbsolutePaintRect()
44{
45    Filter* filter = this->filter();
46    FloatRect paintRect = filter->sourceImageRect();
47    paintRect.scale(filter->filterResolution().width(), filter->filterResolution().height());
48    setAbsolutePaintRect(enclosingIntRect(paintRect));
49}
50
51void SourceGraphic::applySoftware()
52{
53    ImageBuffer* resultImage = createImageBufferResult();
54    Filter* filter = this->filter();
55    if (!resultImage || !filter->sourceImage())
56        return;
57
58    resultImage->context()->drawImageBuffer(filter->sourceImage(), IntPoint());
59}
60
61TextStream& SourceGraphic::externalRepresentation(TextStream& ts, int indent) const
62{
63    writeIndent(ts, indent);
64    ts << "[SourceGraphic]\n";
65    return ts;
66}
67
68} // namespace WebCore
69