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/*
* Copyright (C) 2007 Rob Buis <buis@kde.org>
* (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) Research In Motion Limited 2010. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#ifndef SVGInlineTextBox_h
#define SVGInlineTextBox_h
#if ENABLE(SVG)
#include "InlineTextBox.h"
#include "SVGTextLayoutEngine.h"
namespace WebCore {
class RenderSVGResource;
class SVGRootInlineBox;
class SVGInlineTextBox : public InlineTextBox {
public:
SVGInlineTextBox(RenderObject*);
virtual bool isSVGInlineTextBox() const { return true; }
virtual int virtualLogicalHeight() const { return m_logicalHeight; }
void setLogicalHeight(int height) { m_logicalHeight = height; }
virtual int selectionTop() { return m_y; }
virtual int selectionHeight() { return m_logicalHeight; }
virtual int offsetForPosition(int x, bool includePartialGlyphs = true) const;
virtual int positionForOffset(int offset) const;
void paintSelectionBackground(PaintInfo&);
virtual void paint(PaintInfo&, int tx, int ty);
virtual IntRect selectionRect(int absx, int absy, int startPosition, int endPosition);
bool mapStartEndPositionsIntoFragmentCoordinates(const SVGTextFragment&, int& startPosition, int& endPosition) const;
virtual IntRect calculateBoundaries() const;
void clearTextFragments() { m_textFragments.clear(); }
Vector<SVGTextFragment>& textFragments() { return m_textFragments; }
const Vector<SVGTextFragment>& textFragments() const { return m_textFragments; }
bool startsNewTextChunk() const { return m_startsNewTextChunk; }
void setStartsNewTextChunk(bool newTextChunk) { m_startsNewTextChunk = newTextChunk; }
int offsetForPositionInFragment(const SVGTextFragment&, float position, bool includePartialGlyphs) const;
FloatRect selectionRectForTextFragment(const SVGTextFragment&, int fragmentStartPosition, int fragmentEndPosition, RenderStyle*);
private:
TextRun constructTextRun(RenderStyle*, const SVGTextFragment&) const;
bool acquirePaintingResource(GraphicsContext*&, RenderObject*, RenderStyle*);
void releasePaintingResource(GraphicsContext*&, const Path*);
bool prepareGraphicsContextForTextPainting(GraphicsContext*&, TextRun&, RenderStyle*);
void restoreGraphicsContextAfterTextPainting(GraphicsContext*&, TextRun&);
void paintDecoration(GraphicsContext*, ETextDecoration, const SVGTextFragment&);
void paintDecorationWithStyle(GraphicsContext*, ETextDecoration, const SVGTextFragment&, RenderObject* decorationRenderer);
void paintTextWithShadows(GraphicsContext*, RenderStyle*, TextRun&, const SVGTextFragment&, int startPosition, int endPosition);
void paintText(GraphicsContext*, RenderStyle*, RenderStyle* selectionStyle, const SVGTextFragment&, bool hasSelection, bool paintSelectedTextOnly);
private:
int m_logicalHeight;
int m_paintingResourceMode;
bool m_startsNewTextChunk : 1;
RenderSVGResource* m_paintingResource;
Vector<SVGTextFragment> m_textFragments;
};
} // namespace WebCore
#endif
#endif // SVGInlineTextBox_h
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