blob: 90880ab1ddc552a7785a466fd917b25f635b8ade [file] [log] [blame]
/*
* Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org>
* Copyright (C) 2018-2019 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 "FilterEffect.h"
#include "SVGFilterBuilder.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)
{
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::parseAttribute(const QualifiedName& name, const AtomicString& value)
{
if (name == SVGNames::operatorAttr) {
CompositeOperationType propertyValue = SVGPropertyTraits<CompositeOperationType>::fromString(value);
if (propertyValue > 0)
m_svgOperator->setBaseValInternal<CompositeOperationType>(propertyValue);
return;
}
if (name == SVGNames::inAttr) {
m_in1->setBaseValInternal(value);
return;
}
if (name == SVGNames::in2Attr) {
m_in2->setBaseValInternal(value);
return;
}
if (name == SVGNames::k1Attr) {
m_k1->setBaseValInternal(value.toFloat());
return;
}
if (name == SVGNames::k2Attr) {
m_k2->setBaseValInternal(value.toFloat());
return;
}
if (name == SVGNames::k3Attr) {
m_k3->setBaseValInternal(value.toFloat());
return;
}
if (name == SVGNames::k4Attr) {
m_k4->setBaseValInternal(value.toFloat());
return;
}
SVGFilterPrimitiveStandardAttributes::parseAttribute(name, value);
}
bool SVGFECompositeElement::setFilterEffectAttribute(FilterEffect* effect, const QualifiedName& attrName)
{
FEComposite* composite = static_cast<FEComposite*>(effect);
if (attrName == SVGNames::operatorAttr)
return composite->setOperation(svgOperator());
if (attrName == SVGNames::k1Attr)
return composite->setK1(k1());
if (attrName == SVGNames::k2Attr)
return composite->setK2(k2());
if (attrName == SVGNames::k3Attr)
return composite->setK3(k3());
if (attrName == SVGNames::k4Attr)
return composite->setK4(k4());
ASSERT_NOT_REACHED();
return false;
}
void SVGFECompositeElement::svgAttributeChanged(const QualifiedName& attrName)
{
if (attrName == SVGNames::operatorAttr || attrName == SVGNames::k1Attr || attrName == SVGNames::k2Attr || attrName == SVGNames::k3Attr || attrName == SVGNames::k4Attr) {
InstanceInvalidationGuard guard(*this);
primitiveAttributeChanged(attrName);
return;
}
if (attrName == SVGNames::inAttr || attrName == SVGNames::in2Attr) {
InstanceInvalidationGuard guard(*this);
invalidate();
return;
}
SVGFilterPrimitiveStandardAttributes::svgAttributeChanged(attrName);
}
RefPtr<FilterEffect> SVGFECompositeElement::build(SVGFilterBuilder* filterBuilder, Filter& filter) const
{
auto input1 = filterBuilder->getEffectById(in1());
auto input2 = filterBuilder->getEffectById(in2());
if (!input1 || !input2)
return nullptr;
auto effect = FEComposite::create(filter, svgOperator(), k1(), k2(), k3(), k4());
FilterEffectVector& inputEffects = effect->inputEffects();
inputEffects.reserveCapacity(2);
inputEffects.append(input1);
inputEffects.append(input2);
return effect;
}
}