107 lines
4.7 KiB
C++
107 lines
4.7 KiB
C++
/*
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* Copyright (C) 2006 Apple Inc.
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* Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
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* Copyright (C) Research In Motion Limited 2010-2012. 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 "AffineTransform.h"
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#include "RenderSVGBlock.h"
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#include "SVGTextLayoutAttributesBuilder.h"
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namespace WebCore {
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class RenderSVGInlineText;
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class SVGTextElement;
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class RenderSVGInlineText;
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class RenderSVGText final : public RenderSVGBlock {
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WTF_MAKE_ISO_ALLOCATED(RenderSVGText);
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public:
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RenderSVGText(SVGTextElement&, RenderStyle&&);
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virtual ~RenderSVGText();
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SVGTextElement& textElement() const;
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bool isChildAllowed(const RenderObject&, const RenderStyle&) const override;
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void setNeedsPositioningValuesUpdate() { m_needsPositioningValuesUpdate = true; }
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void setNeedsTransformUpdate() override { m_needsTransformUpdate = true; }
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void setNeedsTextMetricsUpdate() { m_needsTextMetricsUpdate = true; }
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FloatRect repaintRectInLocalCoordinates() const override;
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static RenderSVGText* locateRenderSVGTextAncestor(RenderObject&);
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static const RenderSVGText* locateRenderSVGTextAncestor(const RenderObject&);
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bool needsReordering() const { return m_needsReordering; }
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Vector<SVGTextLayoutAttributes*>& layoutAttributes() { return m_layoutAttributes; }
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void subtreeChildWasAdded(RenderObject*);
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void subtreeChildWillBeRemoved(RenderObject*, Vector<SVGTextLayoutAttributes*, 2>& affectedAttributes);
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void subtreeChildWasRemoved(const Vector<SVGTextLayoutAttributes*, 2>& affectedAttributes);
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void subtreeStyleDidChange(RenderSVGInlineText*);
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void subtreeTextDidChange(RenderSVGInlineText*);
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FloatRect objectBoundingBox() const override { return frameRect(); }
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FloatRect strokeBoundingBox() const override;
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private:
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void graphicsElement() const = delete;
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const char* renderName() const override { return "RenderSVGText"; }
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bool isSVGText() const override { return true; }
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void paint(PaintInfo&, const LayoutPoint&) override;
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bool nodeAtPoint(const HitTestRequest&, HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction) override;
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bool nodeAtFloatPoint(const HitTestRequest&, HitTestResult&, const FloatPoint& pointInParent, HitTestAction) override;
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VisiblePosition positionForPoint(const LayoutPoint&, const RenderFragmentContainer*) override;
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bool requiresLayer() const override { return false; }
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void layout() override;
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void absoluteQuads(Vector<FloatQuad>&, bool* wasFixed) const override;
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LayoutRect clippedOverflowRect(const RenderLayerModelObject* repaintContainer, VisibleRectContext) const override;
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std::optional<LayoutRect> computeVisibleRectInContainer(const LayoutRect&, const RenderLayerModelObject* container, VisibleRectContext) const override;
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std::optional<FloatRect> computeFloatVisibleRectInContainer(const FloatRect&, const RenderLayerModelObject* container, VisibleRectContext) const override;
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void mapLocalToContainer(const RenderLayerModelObject* ancestorContainer, TransformState&, OptionSet<MapCoordinatesMode>, bool* wasFixed) const override;
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const RenderObject* pushMappingToContainer(const RenderLayerModelObject* ancestorToStopAt, RenderGeometryMap&) const override;
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void willBeDestroyed() override;
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const AffineTransform& localToParentTransform() const override { return m_localTransform; }
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AffineTransform localTransform() const override { return m_localTransform; }
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RenderBlock* firstLineBlock() const override;
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bool shouldHandleSubtreeMutations() const;
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bool m_needsReordering : 1;
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bool m_needsPositioningValuesUpdate : 1;
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bool m_needsTransformUpdate : 1;
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bool m_needsTextMetricsUpdate : 1;
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AffineTransform m_localTransform;
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SVGTextLayoutAttributesBuilder m_layoutAttributesBuilder;
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Vector<SVGTextLayoutAttributes*> m_layoutAttributes;
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};
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} // namespace WebCore
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SPECIALIZE_TYPE_TRAITS_RENDER_OBJECT(RenderSVGText, isSVGText())
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