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SourceAlpha.h
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SourceAlpha.h
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/*
* Copyright (C) 2009 Dirk Schulze <krit@webkit.org>
* Copyright (C) 2021 Apple Inc. All rights reserved.
*
* 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
* along 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.
*/
#pragma once
#include "FilterEffect.h"
namespace WebCore {
class SourceAlpha : public FilterEffect {
public:
WEBCORE_EXPORT static Ref<SourceAlpha> create(const DestinationColorSpace& = DestinationColorSpace::SRGB());
static AtomString effectName() { return FilterEffect::sourceAlphaName(); }
private:
explicit SourceAlpha(const DestinationColorSpace&);
std::unique_ptr<FilterEffectApplier> createApplier(const Filter&) const override;
WTF::TextStream& externalRepresentation(WTF::TextStream&, FilterRepresentation) const override;
};
} //namespace WebCore
SPECIALIZE_TYPE_TRAITS_FILTER_EFFECT(SourceAlpha)