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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 "SVGFETurbulenceElement.h"
#include "SVGNames.h"
#include "SVGParserUtilities.h"
#include <wtf/IsoMallocInlines.h>
#include <wtf/text/StringToIntegerConversion.h>
namespace WebCore {
WTF_MAKE_ISO_ALLOCATED_IMPL(SVGFETurbulenceElement);
inline SVGFETurbulenceElement::SVGFETurbulenceElement(const QualifiedName& tagName, Document& document)
: SVGFilterPrimitiveStandardAttributes(tagName, document)
{
ASSERT(hasTagName(SVGNames::feTurbulenceTag));
static std::once_flag onceFlag;
std::call_once(onceFlag, [] {
PropertyRegistry::registerProperty<SVGNames::baseFrequencyAttr, &SVGFETurbulenceElement::m_baseFrequencyX, &SVGFETurbulenceElement::m_baseFrequencyY>();
PropertyRegistry::registerProperty<SVGNames::numOctavesAttr, &SVGFETurbulenceElement::m_numOctaves>();
PropertyRegistry::registerProperty<SVGNames::seedAttr, &SVGFETurbulenceElement::m_seed>();
PropertyRegistry::registerProperty<SVGNames::stitchTilesAttr, SVGStitchOptions, &SVGFETurbulenceElement::m_stitchTiles>();
PropertyRegistry::registerProperty<SVGNames::typeAttr, TurbulenceType, &SVGFETurbulenceElement::m_type>();
});
}
Ref<SVGFETurbulenceElement> SVGFETurbulenceElement::create(const QualifiedName& tagName, Document& document)
{
return adoptRef(*new SVGFETurbulenceElement(tagName, document));
}
void SVGFETurbulenceElement::parseAttribute(const QualifiedName& name, const AtomString& value)
{
if (name == SVGNames::typeAttr) {
TurbulenceType propertyValue = SVGPropertyTraits<TurbulenceType>::fromString(value);
if (propertyValue != TurbulenceType::Unknown)
m_type->setBaseValInternal<TurbulenceType>(propertyValue);
return;
}
if (name == SVGNames::stitchTilesAttr) {
SVGStitchOptions propertyValue = SVGPropertyTraits<SVGStitchOptions>::fromString(value);
if (propertyValue > 0)
m_stitchTiles->setBaseValInternal<SVGStitchOptions>(propertyValue);
return;
}
if (name == SVGNames::baseFrequencyAttr) {
if (auto result = parseNumberOptionalNumber(value)) {
m_baseFrequencyX->setBaseValInternal(result->first);
m_baseFrequencyY->setBaseValInternal(result->second);
}
return;
}
if (name == SVGNames::seedAttr) {
m_seed->setBaseValInternal(value.toFloat());
return;
}
if (name == SVGNames::numOctavesAttr) {
m_numOctaves->setBaseValInternal(parseInteger<unsigned>(value).value_or(0));
return;
}
SVGFilterPrimitiveStandardAttributes::parseAttribute(name, value);
}
bool SVGFETurbulenceElement::setFilterEffectAttribute(FilterEffect& effect, const QualifiedName& attrName)
{
auto& feTurbulence = downcast<FETurbulence>(effect);
if (attrName == SVGNames::typeAttr)
return feTurbulence.setType(type());
if (attrName == SVGNames::stitchTilesAttr)
return feTurbulence.setStitchTiles(stitchTiles());
if (attrName == SVGNames::baseFrequencyAttr) {
bool baseFrequencyXChanged = feTurbulence.setBaseFrequencyX(baseFrequencyX());
bool baseFrequencyYChanged = feTurbulence.setBaseFrequencyY(baseFrequencyY());
return baseFrequencyXChanged || baseFrequencyYChanged;
}
if (attrName == SVGNames::seedAttr)
return feTurbulence.setSeed(seed());
if (attrName == SVGNames::numOctavesAttr)
return feTurbulence.setNumOctaves(numOctaves());
ASSERT_NOT_REACHED();
return false;
}
void SVGFETurbulenceElement::svgAttributeChanged(const QualifiedName& attrName)
{
if (PropertyRegistry::isKnownAttribute(attrName)) {
InstanceInvalidationGuard guard(*this);
primitiveAttributeChanged(attrName);
return;
}
SVGFilterPrimitiveStandardAttributes::svgAttributeChanged(attrName);
}
RefPtr<FilterEffect> SVGFETurbulenceElement::createFilterEffect(const FilterEffectVector&, const GraphicsContext&) const
{
if (baseFrequencyX() < 0 || baseFrequencyY() < 0)
return nullptr;
return FETurbulence::create(type(), baseFrequencyX(), baseFrequencyY(), numOctaves(), seed(), stitchTiles() == SVG_STITCHTYPE_STITCH);
}
} // namespace WebCore
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