128 lines
4.9 KiB
C++
128 lines
4.9 KiB
C++
/*
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* Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
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* Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org>
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* Copyright (C) 2018-2019 Apple Inc. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include "config.h"
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#include "SVGFETurbulenceElement.h"
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#include "SVGNames.h"
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#include "SVGParserUtilities.h"
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#include <wtf/IsoMallocInlines.h>
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#include <wtf/text/StringToIntegerConversion.h>
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namespace WebCore {
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WTF_MAKE_ISO_ALLOCATED_IMPL(SVGFETurbulenceElement);
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inline SVGFETurbulenceElement::SVGFETurbulenceElement(const QualifiedName& tagName, Document& document)
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: SVGFilterPrimitiveStandardAttributes(tagName, document)
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{
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ASSERT(hasTagName(SVGNames::feTurbulenceTag));
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static std::once_flag onceFlag;
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std::call_once(onceFlag, [] {
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PropertyRegistry::registerProperty<SVGNames::baseFrequencyAttr, &SVGFETurbulenceElement::m_baseFrequencyX, &SVGFETurbulenceElement::m_baseFrequencyY>();
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PropertyRegistry::registerProperty<SVGNames::numOctavesAttr, &SVGFETurbulenceElement::m_numOctaves>();
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PropertyRegistry::registerProperty<SVGNames::seedAttr, &SVGFETurbulenceElement::m_seed>();
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PropertyRegistry::registerProperty<SVGNames::stitchTilesAttr, SVGStitchOptions, &SVGFETurbulenceElement::m_stitchTiles>();
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PropertyRegistry::registerProperty<SVGNames::typeAttr, TurbulenceType, &SVGFETurbulenceElement::m_type>();
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});
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}
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Ref<SVGFETurbulenceElement> SVGFETurbulenceElement::create(const QualifiedName& tagName, Document& document)
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{
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return adoptRef(*new SVGFETurbulenceElement(tagName, document));
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}
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void SVGFETurbulenceElement::parseAttribute(const QualifiedName& name, const AtomString& value)
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{
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if (name == SVGNames::typeAttr) {
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TurbulenceType propertyValue = SVGPropertyTraits<TurbulenceType>::fromString(value);
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if (propertyValue != TurbulenceType::Unknown)
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m_type->setBaseValInternal<TurbulenceType>(propertyValue);
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return;
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}
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if (name == SVGNames::stitchTilesAttr) {
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SVGStitchOptions propertyValue = SVGPropertyTraits<SVGStitchOptions>::fromString(value);
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if (propertyValue > 0)
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m_stitchTiles->setBaseValInternal<SVGStitchOptions>(propertyValue);
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return;
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}
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if (name == SVGNames::baseFrequencyAttr) {
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if (auto result = parseNumberOptionalNumber(value)) {
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m_baseFrequencyX->setBaseValInternal(result->first);
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m_baseFrequencyY->setBaseValInternal(result->second);
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}
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return;
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}
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if (name == SVGNames::seedAttr) {
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m_seed->setBaseValInternal(value.toFloat());
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return;
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}
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if (name == SVGNames::numOctavesAttr) {
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m_numOctaves->setBaseValInternal(parseInteger<unsigned>(value).value_or(0));
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return;
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}
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SVGFilterPrimitiveStandardAttributes::parseAttribute(name, value);
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}
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bool SVGFETurbulenceElement::setFilterEffectAttribute(FilterEffect* effect, const QualifiedName& attrName)
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{
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FETurbulence* turbulence = static_cast<FETurbulence*>(effect);
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if (attrName == SVGNames::typeAttr)
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return turbulence->setType(type());
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if (attrName == SVGNames::stitchTilesAttr)
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return turbulence->setStitchTiles(stitchTiles());
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if (attrName == SVGNames::baseFrequencyAttr)
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return (turbulence->setBaseFrequencyX(baseFrequencyX()) || turbulence->setBaseFrequencyY(baseFrequencyY()));
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if (attrName == SVGNames::seedAttr)
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return turbulence->setSeed(seed());
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if (attrName == SVGNames::numOctavesAttr)
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return turbulence->setNumOctaves(numOctaves());
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ASSERT_NOT_REACHED();
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return false;
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}
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void SVGFETurbulenceElement::svgAttributeChanged(const QualifiedName& attrName)
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{
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if (PropertyRegistry::isKnownAttribute(attrName)) {
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InstanceInvalidationGuard guard(*this);
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primitiveAttributeChanged(attrName);
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return;
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}
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SVGFilterPrimitiveStandardAttributes::svgAttributeChanged(attrName);
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}
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RefPtr<FilterEffect> SVGFETurbulenceElement::build(SVGFilterBuilder*, Filter& filter) const
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{
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if (baseFrequencyX() < 0 || baseFrequencyY() < 0)
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return nullptr;
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return FETurbulence::create(filter, type(), baseFrequencyX(), baseFrequencyY(), numOctaves(), seed(), stitchTiles() == SVG_STITCHTYPE_STITCH);
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}
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}
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