2 * Copyright (C) 2007 Rob Buis <buis@kde.org>
3 * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
4 * Copyright (C) Research In Motion Limited 2010. All rights reserved.
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Library General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Library General Public License for more details.
16 * You should have received a copy of the GNU Library General Public License
17 * along with this library; see the file COPYING.LIB. If not, write to
18 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
19 * Boston, MA 02110-1301, USA.
22 #ifndef SVGInlineTextBox_h
23 #define SVGInlineTextBox_h
26 #include "InlineTextBox.h"
27 #include "SVGTextLayoutEngine.h"
31 class RenderSVGResource;
32 class SVGRootInlineBox;
34 class SVGInlineTextBox : public InlineTextBox {
36 SVGInlineTextBox(RenderObject*);
38 virtual bool isSVGInlineTextBox() const { return true; }
40 virtual int virtualLogicalHeight() const { return m_logicalHeight; }
41 void setLogicalHeight(int height) { m_logicalHeight = height; }
43 virtual int selectionTop() { return m_y; }
44 virtual int selectionHeight() { return m_logicalHeight; }
45 virtual int offsetForPosition(float x, bool includePartialGlyphs = true) const;
46 virtual float positionForOffset(int offset) const;
48 void paintSelectionBackground(PaintInfo&);
49 virtual void paint(PaintInfo&, int tx, int ty, int lineTop, int lineBottom);
50 virtual IntRect selectionRect(int absx, int absy, int startPosition, int endPosition);
52 bool mapStartEndPositionsIntoFragmentCoordinates(const SVGTextFragment&, int& startPosition, int& endPosition) const;
54 virtual IntRect calculateBoundaries() const;
56 void clearTextFragments() { m_textFragments.clear(); }
57 Vector<SVGTextFragment>& textFragments() { return m_textFragments; }
58 const Vector<SVGTextFragment>& textFragments() const { return m_textFragments; }
60 bool startsNewTextChunk() const { return m_startsNewTextChunk; }
61 void setStartsNewTextChunk(bool newTextChunk) { m_startsNewTextChunk = newTextChunk; }
63 int offsetForPositionInFragment(const SVGTextFragment&, float position, bool includePartialGlyphs) const;
64 FloatRect selectionRectForTextFragment(const SVGTextFragment&, int fragmentStartPosition, int fragmentEndPosition, RenderStyle*);
67 TextRun constructTextRun(RenderStyle*, const SVGTextFragment&) const;
69 bool acquirePaintingResource(GraphicsContext*&, float scalingFactor, RenderObject*, RenderStyle*);
70 void releasePaintingResource(GraphicsContext*&, const Path*);
72 bool prepareGraphicsContextForTextPainting(GraphicsContext*&, float scalingFactor, TextRun&, RenderStyle*);
73 void restoreGraphicsContextAfterTextPainting(GraphicsContext*&, TextRun&);
75 void paintDecoration(GraphicsContext*, ETextDecoration, const SVGTextFragment&);
76 void paintDecorationWithStyle(GraphicsContext*, ETextDecoration, const SVGTextFragment&, RenderObject* decorationRenderer);
77 void paintTextWithShadows(GraphicsContext*, RenderStyle*, TextRun&, const SVGTextFragment&, int startPosition, int endPosition);
78 void paintText(GraphicsContext*, RenderStyle*, RenderStyle* selectionStyle, const SVGTextFragment&, bool hasSelection, bool paintSelectedTextOnly);
82 int m_paintingResourceMode;
83 bool m_startsNewTextChunk : 1;
84 RenderSVGResource* m_paintingResource;
85 Vector<SVGTextFragment> m_textFragments;
88 } // namespace WebCore
91 #endif // SVGInlineTextBox_h