136 lines
4.6 KiB
C++
136 lines
4.6 KiB
C++
/*
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* Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org>
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* Copyright (C) 2004, 2005, 2006, 2007, 2008 Rob Buis <buis@kde.org>
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* Copyright (C) 2014 Adobe Systems Incorporated. All rights reserved.
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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 "SVGTextPositioningElement.h"
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#include "RenderSVGInline.h"
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#include "RenderSVGResource.h"
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#include "RenderSVGText.h"
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#include "SVGAltGlyphElement.h"
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#include "SVGNames.h"
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#include "SVGTRefElement.h"
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#include "SVGTSpanElement.h"
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#include "SVGTextElement.h"
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#include <wtf/IsoMallocInlines.h>
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namespace WebCore {
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WTF_MAKE_ISO_ALLOCATED_IMPL(SVGTextPositioningElement);
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SVGTextPositioningElement::SVGTextPositioningElement(const QualifiedName& tagName, Document& document)
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: SVGTextContentElement(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, &SVGTextPositioningElement::m_x>();
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PropertyRegistry::registerProperty<SVGNames::yAttr, &SVGTextPositioningElement::m_y>();
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PropertyRegistry::registerProperty<SVGNames::dxAttr, &SVGTextPositioningElement::m_dx>();
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PropertyRegistry::registerProperty<SVGNames::dyAttr, &SVGTextPositioningElement::m_dy>();
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PropertyRegistry::registerProperty<SVGNames::rotateAttr, &SVGTextPositioningElement::m_rotate>();
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});
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}
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void SVGTextPositioningElement::parseAttribute(const QualifiedName& name, const AtomString& value)
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{
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if (name == SVGNames::xAttr) {
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m_x->baseVal()->parse(value);
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return;
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}
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if (name == SVGNames::yAttr) {
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m_y->baseVal()->parse(value);
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return;
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}
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if (name == SVGNames::dxAttr) {
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m_dx->baseVal()->parse(value);
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return;
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}
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if (name == SVGNames::dyAttr) {
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m_dy->baseVal()->parse(value);
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return;
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}
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if (name == SVGNames::rotateAttr) {
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m_rotate->baseVal()->parse(value);
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return;
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}
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SVGTextContentElement::parseAttribute(name, value);
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}
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void SVGTextPositioningElement::collectPresentationalHintsForAttribute(const QualifiedName& name, const AtomString& value, MutableStyleProperties& style)
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{
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if (name == SVGNames::xAttr || name == SVGNames::yAttr)
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return;
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SVGTextContentElement::collectPresentationalHintsForAttribute(name, value, style);
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}
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bool SVGTextPositioningElement::hasPresentationalHintsForAttribute(const QualifiedName& name) const
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{
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if (name == SVGNames::xAttr || name == SVGNames::yAttr)
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return false;
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return SVGTextContentElement::hasPresentationalHintsForAttribute(name);
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}
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void SVGTextPositioningElement::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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if (attrName != SVGNames::rotateAttr)
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updateRelativeLengthsInformation();
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if (auto renderer = this->renderer()) {
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if (auto* textAncestor = RenderSVGText::locateRenderSVGTextAncestor(*renderer))
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textAncestor->setNeedsPositioningValuesUpdate();
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RenderSVGResource::markForLayoutAndParentResourceInvalidation(*renderer);
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}
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return;
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}
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SVGTextContentElement::svgAttributeChanged(attrName);
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}
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SVGTextPositioningElement* SVGTextPositioningElement::elementFromRenderer(RenderBoxModelObject& renderer)
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{
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if (!is<RenderSVGText>(renderer) && !is<RenderSVGInline>(renderer))
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return nullptr;
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ASSERT(renderer.element());
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SVGElement& element = downcast<SVGElement>(*renderer.element());
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if (!is<SVGTextElement>(element)
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&& !is<SVGTSpanElement>(element)
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&& !is<SVGAltGlyphElement>(element)
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&& !is<SVGTRefElement>(element))
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return nullptr;
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// FIXME: This should use downcast<>().
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return &static_cast<SVGTextPositioningElement&>(element);
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}
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}
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