/* | |
* Copyright (C) 2009 Dirk Schulze <krit@webkit.org> | |
* | |
* This library is free software; you can redistribute it and/or | |
* modify it under the terms of the GNU Library General Public | |
* License as published by the Free Software Foundation; either | |
* version 2 of the License, or (at your option) any later version. | |
* | |
* This library is distributed in the hope that it will be useful, | |
* but WITHOUT ANY WARRANTY; without even the implied warranty of | |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
* Library General Public License for more details. | |
* | |
* You should have received a copy of the GNU Library General Public License | |
* aint with this library; see the file COPYING.LIB. If not, write to | |
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | |
* Boston, MA 02110-1301, USA. | |
*/ | |
#include "config.h" | |
#if ENABLE(FILTERS) | |
#include "SourceGraphic.h" | |
#include "GraphicsContext.h" | |
#include "PlatformString.h" | |
#include "Filter.h" | |
#include <wtf/StdLibExtras.h> | |
namespace WebCore { | |
PassRefPtr<SourceGraphic> SourceGraphic::create() | |
{ | |
return adoptRef(new SourceGraphic); | |
} | |
const AtomicString& SourceGraphic::effectName() | |
{ | |
DEFINE_STATIC_LOCAL(const AtomicString, s_effectName, ("SourceGraphic")); | |
return s_effectName; | |
} | |
FloatRect SourceGraphic::calculateEffectRect(Filter* filter) | |
{ | |
FloatRect clippedSourceRect = filter->sourceImageRect(); | |
if (filter->sourceImageRect().x() < filter->filterRegion().x()) | |
clippedSourceRect.setX(filter->filterRegion().x()); | |
if (filter->sourceImageRect().y() < filter->filterRegion().y()) | |
clippedSourceRect.setY(filter->filterRegion().y()); | |
setSubRegion(clippedSourceRect); | |
clippedSourceRect.scale(filter->filterResolution().width(), filter->filterResolution().height()); | |
setScaledSubRegion(clippedSourceRect); | |
return filter->filterRegion(); | |
} | |
void SourceGraphic::apply(Filter* filter) | |
{ | |
GraphicsContext* filterContext = getEffectContext(); | |
if (!filterContext) | |
return; | |
filterContext->drawImage(filter->sourceImage()->image(), DeviceColorSpace, IntPoint()); | |
} | |
void SourceGraphic::dump() | |
{ | |
} | |
} // namespace WebCore | |
#endif // ENABLE(FILTERS) |