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/*
* Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org>
* Copyright (C) 2022 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.
*/
#include "config.h"
#include "SVGFEMergeElement.h"
#include "ElementChildIteratorInlines.h"
#include "FEMerge.h"
#include "SVGElementTypeHelpers.h"
#include "SVGFEMergeNodeElement.h"
#include "SVGNames.h"
#include <wtf/TZoneMallocInlines.h>
namespace WebCore {
WTF_MAKE_TZONE_OR_ISO_ALLOCATED_IMPL(SVGFEMergeElement);
inline SVGFEMergeElement::SVGFEMergeElement(const QualifiedName& tagName, Document& document)
: SVGFilterPrimitiveStandardAttributes(tagName, document, makeUniqueRef<PropertyRegistry>(*this))
{
ASSERT(hasTagName(SVGNames::feMergeTag));
}
Ref<SVGFEMergeElement> SVGFEMergeElement::create(const QualifiedName& tagName, Document& document)
{
return adoptRef(*new SVGFEMergeElement(tagName, document));
}
void SVGFEMergeElement::childrenChanged(const ChildChange& change)
{
SVGFilterPrimitiveStandardAttributes::childrenChanged(change);
InstanceInvalidationGuard guard(*this);
markFilterEffectForRebuild();
}
Vector<AtomString> SVGFEMergeElement::filterEffectInputsNames() const
{
Vector<AtomString> inputsNames;
for (auto& mergeNode : childrenOfType<SVGFEMergeNodeElement>(*this))
inputsNames.append(mergeNode.in1());
return inputsNames;
}
RefPtr<FilterEffect> SVGFEMergeElement::createFilterEffect(const FilterEffectVector& inputs, const GraphicsContext&) const
{
return FEMerge::create(inputs.size());
}
} // namespace WebCore
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