152 lines
5.3 KiB
C++
152 lines
5.3 KiB
C++
/*
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* Copyright (C) 2007 Nikolas Zimmermann <zimmermann@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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#pragma once
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#include "SVGNames.h"
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#include "SVGTextContentElement.h"
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#include "SVGURIReference.h"
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namespace WebCore {
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enum SVGTextPathMethodType {
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SVGTextPathMethodUnknown = 0,
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SVGTextPathMethodAlign,
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SVGTextPathMethodStretch
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};
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enum SVGTextPathSpacingType {
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SVGTextPathSpacingUnknown = 0,
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SVGTextPathSpacingAuto,
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SVGTextPathSpacingExact
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};
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template<>
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struct SVGPropertyTraits<SVGTextPathMethodType> {
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static unsigned highestEnumValue() { return SVGTextPathMethodStretch; }
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static String toString(SVGTextPathMethodType type)
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{
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switch (type) {
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case SVGTextPathMethodUnknown:
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return emptyString();
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case SVGTextPathMethodAlign:
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return "align"_s;
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case SVGTextPathMethodStretch:
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return "stretch"_s;
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}
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ASSERT_NOT_REACHED();
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return emptyString();
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}
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static SVGTextPathMethodType fromString(const String& value)
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{
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if (value == "align")
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return SVGTextPathMethodAlign;
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if (value == "stretch")
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return SVGTextPathMethodStretch;
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return SVGTextPathMethodUnknown;
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}
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};
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template<>
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struct SVGPropertyTraits<SVGTextPathSpacingType> {
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static unsigned highestEnumValue() { return SVGTextPathSpacingExact; }
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static String toString(SVGTextPathSpacingType type)
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{
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switch (type) {
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case SVGTextPathSpacingUnknown:
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return emptyString();
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case SVGTextPathSpacingAuto:
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return "auto"_s;
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case SVGTextPathSpacingExact:
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return "exact"_s;
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}
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ASSERT_NOT_REACHED();
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return emptyString();
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}
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static SVGTextPathSpacingType fromString(const String& value)
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{
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if (value == "auto")
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return SVGTextPathSpacingAuto;
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if (value == "exact")
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return SVGTextPathSpacingExact;
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return SVGTextPathSpacingUnknown;
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}
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};
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class SVGTextPathElement final : public SVGTextContentElement, public SVGURIReference {
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WTF_MAKE_ISO_ALLOCATED(SVGTextPathElement);
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public:
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// Forward declare enumerations in the W3C naming scheme, for IDL generation.
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enum {
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TEXTPATH_METHODTYPE_UNKNOWN = SVGTextPathMethodUnknown,
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TEXTPATH_METHODTYPE_ALIGN = SVGTextPathMethodAlign,
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TEXTPATH_METHODTYPE_STRETCH = SVGTextPathMethodStretch,
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TEXTPATH_SPACINGTYPE_UNKNOWN = SVGTextPathSpacingUnknown,
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TEXTPATH_SPACINGTYPE_AUTO = SVGTextPathSpacingAuto,
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TEXTPATH_SPACINGTYPE_EXACT = SVGTextPathSpacingExact
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};
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static Ref<SVGTextPathElement> create(const QualifiedName&, Document&);
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const SVGLengthValue& startOffset() const { return m_startOffset->currentValue(); }
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SVGTextPathMethodType method() const { return m_method->currentValue<SVGTextPathMethodType>(); }
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SVGTextPathSpacingType spacing() const { return m_spacing->currentValue<SVGTextPathSpacingType>(); }
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SVGAnimatedLength& startOffsetAnimated() { return m_startOffset; }
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SVGAnimatedEnumeration& methodAnimated() { return m_method; }
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SVGAnimatedEnumeration& spacingAnimated() { return m_spacing; }
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private:
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SVGTextPathElement(const QualifiedName&, Document&);
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virtual ~SVGTextPathElement();
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void didFinishInsertingNode() override;
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using PropertyRegistry = SVGPropertyOwnerRegistry<SVGTextPathElement, SVGTextContentElement, SVGURIReference>;
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const SVGPropertyRegistry& propertyRegistry() const final { return m_propertyRegistry; }
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void parseAttribute(const QualifiedName&, const AtomString&) override;
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void svgAttributeChanged(const QualifiedName&) override;
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RenderPtr<RenderElement> createElementRenderer(RenderStyle&&, const RenderTreePosition&) override;
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bool childShouldCreateRenderer(const Node&) const override;
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bool rendererIsNeeded(const RenderStyle&) override;
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void clearResourceReferences();
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void buildPendingResource() override;
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InsertedIntoAncestorResult insertedIntoAncestor(InsertionType, ContainerNode&) override;
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void removedFromAncestor(RemovalType, ContainerNode&) override;
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bool selfHasRelativeLengths() const override;
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PropertyRegistry m_propertyRegistry { *this };
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Ref<SVGAnimatedLength> m_startOffset { SVGAnimatedLength::create(this, SVGLengthMode::Other) };
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Ref<SVGAnimatedEnumeration> m_method { SVGAnimatedEnumeration::create(this, SVGTextPathMethodAlign) };
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Ref<SVGAnimatedEnumeration> m_spacing { SVGAnimatedEnumeration::create(this, SVGTextPathSpacingExact) };
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};
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} // namespace WebCore
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