143 lines
5.1 KiB
C++
143 lines
5.1 KiB
C++
/*
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* Copyright (C) 2004, 2005, 2006, 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) 2009 Dirk Schulze <krit@webkit.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 "SVGFilterPrimitiveStandardAttributes.h"
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#include "FilterEffect.h"
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#include "RenderSVGResourceFilterPrimitive.h"
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#include "SVGFilterBuilder.h"
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#include <wtf/IsoMallocInlines.h>
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#include <wtf/NeverDestroyed.h>
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namespace WebCore {
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WTF_MAKE_ISO_ALLOCATED_IMPL(SVGFilterPrimitiveStandardAttributes);
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SVGFilterPrimitiveStandardAttributes::SVGFilterPrimitiveStandardAttributes(const QualifiedName& tagName, Document& document)
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: SVGElement(tagName, document)
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{
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static std::once_flag onceFlag;
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std::call_once(onceFlag, [] {
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PropertyRegistry::registerProperty<SVGNames::xAttr, &SVGFilterPrimitiveStandardAttributes::m_x>();
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PropertyRegistry::registerProperty<SVGNames::yAttr, &SVGFilterPrimitiveStandardAttributes::m_y>();
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PropertyRegistry::registerProperty<SVGNames::widthAttr, &SVGFilterPrimitiveStandardAttributes::m_width>();
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PropertyRegistry::registerProperty<SVGNames::heightAttr, &SVGFilterPrimitiveStandardAttributes::m_height>();
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PropertyRegistry::registerProperty<SVGNames::resultAttr, &SVGFilterPrimitiveStandardAttributes::m_result>();
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});
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}
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void SVGFilterPrimitiveStandardAttributes::parseAttribute(const QualifiedName& name, const AtomString& value)
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{
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SVGParsingError parseError = NoError;
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if (name == SVGNames::xAttr)
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m_x->setBaseValInternal(SVGLengthValue::construct(SVGLengthMode::Width, value, parseError));
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else if (name == SVGNames::yAttr)
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m_y->setBaseValInternal(SVGLengthValue::construct(SVGLengthMode::Height, value, parseError));
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else if (name == SVGNames::widthAttr)
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m_width->setBaseValInternal(SVGLengthValue::construct(SVGLengthMode::Width, value, parseError));
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else if (name == SVGNames::heightAttr)
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m_height->setBaseValInternal(SVGLengthValue::construct(SVGLengthMode::Height, value, parseError));
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else if (name == SVGNames::resultAttr)
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m_result->setBaseValInternal(value);
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reportAttributeParsingError(parseError, name, value);
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SVGElement::parseAttribute(name, value);
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}
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bool SVGFilterPrimitiveStandardAttributes::setFilterEffectAttribute(FilterEffect*, const QualifiedName&)
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{
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// When all filters support this method, it will be changed to a pure virtual method.
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ASSERT_NOT_REACHED();
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return false;
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}
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void SVGFilterPrimitiveStandardAttributes::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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invalidate();
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return;
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}
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SVGElement::svgAttributeChanged(attrName);
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}
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void SVGFilterPrimitiveStandardAttributes::childrenChanged(const ChildChange& change)
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{
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SVGElement::childrenChanged(change);
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if (change.source == ChildChange::Source::Parser)
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return;
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invalidate();
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}
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void SVGFilterPrimitiveStandardAttributes::setStandardAttributes(FilterEffect* filterEffect) const
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{
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ASSERT(filterEffect);
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if (!filterEffect)
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return;
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if (hasAttribute(SVGNames::xAttr))
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filterEffect->setHasX(true);
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if (hasAttribute(SVGNames::yAttr))
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filterEffect->setHasY(true);
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if (hasAttribute(SVGNames::widthAttr))
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filterEffect->setHasWidth(true);
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if (hasAttribute(SVGNames::heightAttr))
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filterEffect->setHasHeight(true);
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}
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RenderPtr<RenderElement> SVGFilterPrimitiveStandardAttributes::createElementRenderer(RenderStyle&& style, const RenderTreePosition&)
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{
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return createRenderer<RenderSVGResourceFilterPrimitive>(*this, WTFMove(style));
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}
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bool SVGFilterPrimitiveStandardAttributes::rendererIsNeeded(const RenderStyle& style)
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{
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if (parentNode() && (parentNode()->hasTagName(SVGNames::filterTag)))
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return SVGElement::rendererIsNeeded(style);
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return false;
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}
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void invalidateFilterPrimitiveParent(SVGElement* element)
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{
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if (!element)
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return;
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auto parent = makeRefPtr(element->parentNode());
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if (!parent)
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return;
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RenderElement* renderer = parent->renderer();
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if (!renderer || !renderer->isSVGResourceFilterPrimitive())
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return;
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RenderSVGResource::markForLayoutAndParentResourceInvalidation(*renderer, false);
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}
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}
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