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* Copyright (C) Research In Motion Limited 2010-2012. All rights reserved.
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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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* 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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* 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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#ifndef SVGTextMetricsBuilder_h
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#define SVGTextMetricsBuilder_h
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#include "SVGTextLayoutAttributes.h"
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#include "SVGTextMetrics.h"
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#include "WidthIterator.h"
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#include <wtf/Vector.h>
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class RenderSVGInlineText;
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struct MeasureTextData;
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class SVGTextMetricsBuilder {
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WTF_MAKE_NONCOPYABLE(SVGTextMetricsBuilder);
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SVGTextMetricsBuilder();
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void measureTextRenderer(RenderSVGInlineText*);
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void buildMetricsAndLayoutAttributes(RenderSVGText*, RenderSVGInlineText* stopAtLeaf, SVGCharacterDataMap& allCharactersMap);
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void advanceSimpleText();
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void advanceComplexText();
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bool currentCharacterStartsSurrogatePair() const;
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void initializeMeasurementWithTextRenderer(RenderSVGInlineText*);
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void walkTree(RenderObject*, RenderSVGInlineText* stopAtLeaf, MeasureTextData*);
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void measureTextRenderer(RenderSVGInlineText*, MeasureTextData*);
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RenderSVGInlineText* m_text;
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unsigned m_textPosition;
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SVGTextMetrics m_currentMetrics;
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OwnPtr<WidthIterator> m_simpleWidthIterator;
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SVGTextMetrics m_complexStartToCurrentMetrics;
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} // namespace WebCore