author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Mon, 04 Oct 2010 01:32:07 +0300 | |
changeset 2 | 303757a437d3 |
parent 0 | 4f2f89ce4247 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (C) 2007 Rob Buis <buis@kde.org> |
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* (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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*/ |
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#ifndef SVGInlineTextBox_h |
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#define SVGInlineTextBox_h |
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#if ENABLE(SVG) |
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#include "InlineTextBox.h" |
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#include "SVGTextChunkLayoutInfo.h" |
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#include "SVGTextLayoutUtilities.h" |
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namespace WebCore { |
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class RenderSVGResource; |
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class SVGRootInlineBox; |
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struct SVGCharacterLayoutInfo; |
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struct SVGLastGlyphInfo; |
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class SVGInlineTextBox : public InlineTextBox { |
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public: |
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SVGInlineTextBox(RenderObject*); |
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virtual bool isSVGInlineTextBox() const { return true; } |
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virtual int virtualHeight() const { return m_height; } |
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void setHeight(int height) { m_height = height; } |
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virtual int selectionTop() { return m_y; } |
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virtual int selectionHeight() { return m_height; } |
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virtual int offsetForPosition(int x, bool includePartialGlyphs = true) const; |
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virtual int positionForOffset(int offset) const; |
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virtual void paint(PaintInfo&, int tx, int ty); |
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virtual IntRect selectionRect(int absx, int absy, int startPos, int endPos); |
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virtual void selectionStartEnd(int& startPos, int& endPos); |
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void mapStartEndPositionsIntoChunkPartCoordinates(int& startPos, int& endPos, const SVGTextChunkPart&) const; |
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SVGRootInlineBox* svgRootInlineBox() const; |
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// Helper functions shared with SVGRootInlineBox |
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void measureCharacter(RenderStyle*, int position, int& charsConsumed, String& glyphName, String& unicodeString, float& glyphWidth, float& glyphHeight) const; |
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FloatRect calculateGlyphBoundaries(RenderStyle*, int position, const SVGChar&) const; |
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void buildLayoutInformation(SVGCharacterLayoutInfo&, SVGLastGlyphInfo&); |
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const AffineTransform& chunkTransformation() const { return m_chunkTransformation; } |
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void setChunkTransformation(const AffineTransform& transform) { m_chunkTransformation = transform; } |
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void addChunkPartInformation(const SVGTextChunkPart& part) { m_svgTextChunkParts.append(part); } |
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const Vector<SVGTextChunkPart>& svgTextChunkParts() const { return m_svgTextChunkParts; } |
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virtual IntRect calculateBoundaries() const; |
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private: |
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TextRun constructTextRun(RenderStyle*) const; |
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AffineTransform buildChunkTransformation(SVGChar& firstCharacter) const; |
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bool acquirePaintingResource(GraphicsContext*&, RenderStyle*); |
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void releasePaintingResource(GraphicsContext*&); |
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bool prepareGraphicsContextForTextPainting(GraphicsContext*&, TextRun&, RenderStyle*); |
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void restoreGraphicsContextAfterTextPainting(GraphicsContext*&, TextRun&); |
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void computeTextMatchMarkerRect(RenderStyle*); |
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void paintDecoration(GraphicsContext*, const FloatPoint& textOrigin, ETextDecoration, bool hasSelection); |
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void paintDecorationWithStyle(GraphicsContext*, const FloatPoint& textOrigin, RenderStyle*, ETextDecoration); |
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void paintSelection(GraphicsContext*, const FloatPoint& textOrigin, RenderStyle*); |
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void paintText(GraphicsContext*, const FloatPoint& textOrigin, RenderStyle*, RenderStyle* selectionStyle, bool hasSelection, bool paintSelectedTextOnly); |
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void paintTextWithShadows(GraphicsContext*, const FloatPoint& textOrigin, RenderStyle*, TextRun&, int startPos, int endPos); |
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FloatRect selectionRectForTextChunkPart(const SVGTextChunkPart&, int partStartPos, int partEndPos, RenderStyle*); |
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private: |
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int m_height; |
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AffineTransform m_chunkTransformation; |
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Vector<SVGTextChunkPart> m_svgTextChunkParts; |
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mutable SVGTextChunkPart m_currentChunkPart; |
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RenderSVGResource* m_paintingResource; |
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int m_paintingResourceMode; |
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}; |
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} // namespace WebCore |
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#endif |
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#endif // SVGInlineTextBox_h |