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/*
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.
*/
#ifndef SourceAlpha_h
#define SourceAlpha_h
#if ENABLE(FILTERS)
#include "FilterEffect.h"
#include "PlatformString.h"
#include "Filter.h"
namespace WebCore {
class SourceAlpha : public FilterEffect {
public:
static PassRefPtr<SourceAlpha> create();
static const AtomicString& effectName();
virtual bool isSourceInput() { return true; }
virtual FloatRect calculateEffectRect(Filter*);
void apply(Filter*);
void dump();
TextStream& externalRepresentation(TextStream&, int indent) const;
private:
SourceAlpha() { }
};
} //namespace WebCore
#endif // ENABLE(FILTERS)
#endif // SourceAlpha_h
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