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
25 #include "core/rendering/InlineTextBox.h"
26 #include "core/rendering/svg/RenderSVGResource.h"
27 #include "core/rendering/svg/SVGTextLayoutEngine.h"
31 class RenderSVGResource;
32 class SVGRootInlineBox;
34 class SVGInlineTextBox FINAL : public InlineTextBox {
36 SVGInlineTextBox(RenderObject&);
38 virtual bool isSVGInlineTextBox() const OVERRIDE { return true; }
40 virtual float virtualLogicalHeight() const OVERRIDE { return m_logicalHeight; }
41 void setLogicalHeight(float height) { m_logicalHeight = height; }
43 virtual int offsetForPosition(float x, bool includePartialGlyphs = true) const OVERRIDE;
44 virtual float positionForOffset(int offset) const OVERRIDE;
46 void paintSelectionBackground(PaintInfo&);
47 virtual void paint(PaintInfo&, const LayoutPoint&, LayoutUnit lineTop, LayoutUnit lineBottom) OVERRIDE;
48 virtual LayoutRect localSelectionRect(int startPosition, int endPosition) OVERRIDE;
50 bool mapStartEndPositionsIntoFragmentCoordinates(const SVGTextFragment&, int& startPosition, int& endPosition) const;
52 virtual FloatRect calculateBoundaries() const OVERRIDE;
54 void clearTextFragments() { m_textFragments.clear(); }
55 Vector<SVGTextFragment>& textFragments() { return m_textFragments; }
56 const Vector<SVGTextFragment>& textFragments() const { return m_textFragments; }
58 virtual void dirtyLineBoxes() OVERRIDE;
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*,
70 RenderStyle*, RenderSVGResourceModeFlags);
71 void releasePaintingResource(GraphicsContext*&, const Path*, RenderSVGResourceModeFlags);
73 bool prepareGraphicsContextForTextPainting(GraphicsContext*&, float scalingFactor, TextRun&,
74 RenderStyle*, RenderSVGResourceModeFlags);
75 void restoreGraphicsContextAfterTextPainting(GraphicsContext*&, TextRun&, RenderSVGResourceModeFlags);
77 void paintDecoration(GraphicsContext*, TextDecoration, const SVGTextFragment&);
78 void paintDecorationWithStyle(GraphicsContext*, TextDecoration, const SVGTextFragment&,
79 RenderObject* decorationRenderer, RenderSVGResourceModeFlags);
80 void paintTextWithShadows(GraphicsContext*, RenderStyle*, TextRun&, const SVGTextFragment&,
81 int startPosition, int endPosition, RenderSVGResourceModeFlags);
82 void paintText(GraphicsContext*, RenderStyle*, RenderStyle* selectionStyle, const SVGTextFragment&,
83 RenderSVGResourceModeFlags, bool hasSelection, bool paintSelectedTextOnly);
85 virtual void paintDocumentMarker(GraphicsContext*, const FloatPoint&, DocumentMarker*, RenderStyle*, const Font&, bool) OVERRIDE FINAL;
86 virtual void paintTextMatchMarker(GraphicsContext*, const FloatPoint&, DocumentMarker*, RenderStyle*, const Font&) OVERRIDE FINAL;
88 virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, LayoutUnit lineTop, LayoutUnit lineBottom) OVERRIDE;
91 float m_logicalHeight;
92 bool m_startsNewTextChunk : 1;
93 RenderSVGResource* m_paintingResource;
94 Vector<SVGTextFragment> m_textFragments;
97 DEFINE_INLINE_BOX_TYPE_CASTS(SVGInlineTextBox);
99 } // namespace WebCore
101 #endif // SVGInlineTextBox_h