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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) 2018-2022 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 "SVGFECompositeElement.h"
#include "FEComposite.h"
#include "NodeName.h"
#include "SVGNames.h"
#include <wtf/IsoMallocInlines.h>
namespace WebCore {
WTF_MAKE_ISO_ALLOCATED_IMPL(SVGFECompositeElement);
inline SVGFECompositeElement::SVGFECompositeElement(const QualifiedName& tagName, Document& document)
: SVGFilterPrimitiveStandardAttributes(tagName, document, makeUniqueRef<PropertyRegistry>(*this))
{
ASSERT(hasTagName(SVGNames::feCompositeTag));
static std::once_flag onceFlag;
std::call_once(onceFlag, [] {
PropertyRegistry::registerProperty<SVGNames::inAttr, &SVGFECompositeElement::m_in1>();
PropertyRegistry::registerProperty<SVGNames::in2Attr, &SVGFECompositeElement::m_in2>();
PropertyRegistry::registerProperty<SVGNames::operatorAttr, CompositeOperationType, &SVGFECompositeElement::m_svgOperator>();
PropertyRegistry::registerProperty<SVGNames::k1Attr, &SVGFECompositeElement::m_k1>();
PropertyRegistry::registerProperty<SVGNames::k2Attr, &SVGFECompositeElement::m_k2>();
PropertyRegistry::registerProperty<SVGNames::k3Attr, &SVGFECompositeElement::m_k3>();
PropertyRegistry::registerProperty<SVGNames::k4Attr, &SVGFECompositeElement::m_k4>();
});
}
Ref<SVGFECompositeElement> SVGFECompositeElement::create(const QualifiedName& tagName, Document& document)
{
return adoptRef(*new SVGFECompositeElement(tagName, document));
}
void SVGFECompositeElement::attributeChanged(const QualifiedName& name, const AtomString& oldValue, const AtomString& newValue, AttributeModificationReason attributeModificationReason)
{
switch (name.nodeName()) {
case AttributeNames::operatorAttr: {
CompositeOperationType propertyValue = SVGPropertyTraits<CompositeOperationType>::fromString(newValue);
if (propertyValue > 0)
m_svgOperator->setBaseValInternal<CompositeOperationType>(propertyValue);
break;
}
case AttributeNames::inAttr:
m_in1->setBaseValInternal(newValue);
break;
case AttributeNames::in2Attr:
m_in2->setBaseValInternal(newValue);
break;
case AttributeNames::k1Attr:
m_k1->setBaseValInternal(newValue.toFloat());
break;
case AttributeNames::k2Attr:
m_k2->setBaseValInternal(newValue.toFloat());
break;
case AttributeNames::k3Attr:
m_k3->setBaseValInternal(newValue.toFloat());
break;
case AttributeNames::k4Attr:
m_k4->setBaseValInternal(newValue.toFloat());
break;
default:
break;
}
SVGFilterPrimitiveStandardAttributes::attributeChanged(name, oldValue, newValue, attributeModificationReason);
}
bool SVGFECompositeElement::setFilterEffectAttribute(FilterEffect& filterEffect, const QualifiedName& attrName)
{
auto& effect = downcast<FEComposite>(filterEffect);
switch (attrName.nodeName()) {
case AttributeNames::operatorAttr:
return effect.setOperation(svgOperator());
case AttributeNames::k1Attr:
return effect.setK1(k1());
case AttributeNames::k2Attr:
return effect.setK2(k2());
case AttributeNames::k3Attr:
return effect.setK3(k3());
case AttributeNames::k4Attr:
return effect.setK4(k4());
default:
break;
}
ASSERT_NOT_REACHED();
return false;
}
void SVGFECompositeElement::svgAttributeChanged(const QualifiedName& attrName)
{
switch (attrName.nodeName()) {
case AttributeNames::inAttr:
case AttributeNames::in2Attr: {
InstanceInvalidationGuard guard(*this);
updateSVGRendererForElementChange();
break;
}
case AttributeNames::k1Attr:
case AttributeNames::k2Attr:
case AttributeNames::k3Attr:
case AttributeNames::k4Attr:
case AttributeNames::operatorAttr: {
InstanceInvalidationGuard guard(*this);
primitiveAttributeChanged(attrName);
break;
}
default:
SVGFilterPrimitiveStandardAttributes::svgAttributeChanged(attrName);
break;
}
}
RefPtr<FilterEffect> SVGFECompositeElement::createFilterEffect(const FilterEffectVector&, const GraphicsContext&) const
{
return FEComposite::create(svgOperator(), k1(), k2(), k3(), k4());
}
} // namespace WebCore
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