104 lines
4.9 KiB
C++
104 lines
4.9 KiB
C++
/*
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* Copyright (C) 2007 Rob Buis <buis@kde.org>
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* Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
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* Copyright (C) Research In Motion Limited 2010. 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 "LegacyInlineTextBox.h"
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#include "RenderSVGInlineText.h"
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#include "RenderSVGResource.h"
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#include "SVGTextFragment.h"
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namespace WebCore {
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class RenderSVGResource;
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class SVGRootInlineBox;
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class SVGInlineTextBox final : public LegacyInlineTextBox {
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WTF_MAKE_ISO_ALLOCATED(SVGInlineTextBox);
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public:
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explicit SVGInlineTextBox(RenderSVGInlineText&);
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RenderSVGInlineText& renderer() const { return downcast<RenderSVGInlineText>(LegacyInlineTextBox::renderer()); }
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float virtualLogicalHeight() const override { return m_logicalHeight; }
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void setLogicalHeight(float height) { m_logicalHeight = height; }
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int selectionTop() { return top(); }
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int selectionHeight() { return static_cast<int>(ceilf(m_logicalHeight)); }
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int offsetForPosition(float x, bool includePartialGlyphs = true) const override;
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float positionForOffset(unsigned offset) const override;
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void paintSelectionBackground(PaintInfo&);
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void paint(PaintInfo&, const LayoutPoint&, LayoutUnit lineTop, LayoutUnit lineBottom) override;
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LayoutRect localSelectionRect(unsigned startPosition, unsigned endPosition) const override;
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bool mapStartEndPositionsIntoFragmentCoordinates(const SVGTextFragment&, unsigned& startPosition, unsigned& endPosition) const;
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FloatRect calculateBoundaries() const;
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void clearTextFragments() { m_textFragments.clear(); }
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Vector<SVGTextFragment>& textFragments() { return m_textFragments; }
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const Vector<SVGTextFragment>& textFragments() const { return m_textFragments; }
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void dirtyOwnLineBoxes() override;
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void dirtyLineBoxes() override;
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bool startsNewTextChunk() const { return m_startsNewTextChunk; }
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void setStartsNewTextChunk(bool newTextChunk) { m_startsNewTextChunk = newTextChunk; }
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int offsetForPositionInFragment(const SVGTextFragment&, float position, bool includePartialGlyphs) const;
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FloatRect selectionRectForTextFragment(const SVGTextFragment&, unsigned fragmentStartPosition, unsigned fragmentEndPosition, const RenderStyle&) const;
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OptionSet<RenderSVGResourceMode> paintingResourceMode() const { return OptionSet<RenderSVGResourceMode>::fromRaw(m_paintingResourceMode); }
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void setPaintingResourceMode(OptionSet<RenderSVGResourceMode> mode) { m_paintingResourceMode = mode.toRaw(); }
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SVGInlineTextBox* nextTextBox() const { return downcast<SVGInlineTextBox>(LegacyInlineTextBox::nextTextBox()); }
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private:
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bool isSVGInlineTextBox() const override { return true; }
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TextRun constructTextRun(const RenderStyle&, const SVGTextFragment&) const;
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bool acquirePaintingResource(GraphicsContext*&, float scalingFactor, RenderBoxModelObject&, const RenderStyle&);
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void releasePaintingResource(GraphicsContext*&, const Path*);
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bool prepareGraphicsContextForTextPainting(GraphicsContext*&, float scalingFactor, const RenderStyle&);
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void restoreGraphicsContextAfterTextPainting(GraphicsContext*&);
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void paintDecoration(GraphicsContext&, OptionSet<TextDecoration>, const SVGTextFragment&);
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void paintDecorationWithStyle(GraphicsContext&, OptionSet<TextDecoration>, const SVGTextFragment&, RenderBoxModelObject& decorationRenderer);
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void paintTextWithShadows(GraphicsContext&, const RenderStyle&, TextRun&, const SVGTextFragment&, unsigned startPosition, unsigned endPosition);
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void paintText(GraphicsContext&, const RenderStyle&, const RenderStyle& selectionStyle, const SVGTextFragment&, bool hasSelection, bool paintSelectedTextOnly);
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bool nodeAtPoint(const HitTestRequest&, HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, LayoutUnit lineTop, LayoutUnit lineBottom, HitTestAction) override;
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private:
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float m_logicalHeight { 0 };
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unsigned m_paintingResourceMode : 4; // RenderSVGResourceMode
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unsigned m_startsNewTextChunk : 1;
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RenderSVGResource* m_paintingResource { nullptr };
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Vector<SVGTextFragment> m_textFragments;
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};
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} // namespace WebCore
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SPECIALIZE_TYPE_TRAITS_INLINE_BOX(SVGInlineTextBox, isSVGInlineTextBox())
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