1 /* 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. 5 * 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. 10 * 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. 15 * 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. 20 */ 21 22 #ifndef SVGInlineTextBox_h 23 #define SVGInlineTextBox_h 24 25 #include "core/rendering/InlineTextBox.h" 26 #include "core/rendering/svg/RenderSVGResource.h" 27 #include "core/rendering/svg/SVGTextLayoutEngine.h" 28 29 namespace blink { 30 31 class SVGInlineTextBox FINAL : public InlineTextBox { 32 public: 33 SVGInlineTextBox(RenderObject&); 34 isSVGInlineTextBox()35 virtual bool isSVGInlineTextBox() const OVERRIDE { return true; } 36 virtualLogicalHeight()37 virtual float virtualLogicalHeight() const OVERRIDE { return m_logicalHeight; } setLogicalHeight(float height)38 void setLogicalHeight(float height) { m_logicalHeight = height; } 39 40 virtual int offsetForPosition(float x, bool includePartialGlyphs = true) const OVERRIDE; 41 virtual float positionForOffset(int offset) const OVERRIDE; 42 43 void paintSelectionBackground(PaintInfo&); 44 virtual void paint(PaintInfo&, const LayoutPoint&, LayoutUnit lineTop, LayoutUnit lineBottom) OVERRIDE; 45 virtual LayoutRect localSelectionRect(int startPosition, int endPosition) OVERRIDE; 46 47 bool mapStartEndPositionsIntoFragmentCoordinates(const SVGTextFragment&, int& startPosition, int& endPosition) const; 48 49 virtual FloatRect calculateBoundaries() const OVERRIDE; 50 clearTextFragments()51 void clearTextFragments() { m_textFragments.clear(); } textFragments()52 Vector<SVGTextFragment>& textFragments() { return m_textFragments; } textFragments()53 const Vector<SVGTextFragment>& textFragments() const { return m_textFragments; } 54 55 virtual void dirtyLineBoxes() OVERRIDE; 56 startsNewTextChunk()57 bool startsNewTextChunk() const { return m_startsNewTextChunk; } setStartsNewTextChunk(bool newTextChunk)58 void setStartsNewTextChunk(bool newTextChunk) { m_startsNewTextChunk = newTextChunk; } 59 60 int offsetForPositionInFragment(const SVGTextFragment&, float position, bool includePartialGlyphs) const; 61 FloatRect selectionRectForTextFragment(const SVGTextFragment&, int fragmentStartPosition, int fragmentEndPosition, RenderStyle*); 62 63 private: 64 TextRun constructTextRun(RenderStyle*, const SVGTextFragment&) const; 65 66 void paintDecoration(GraphicsContext*, TextDecoration, const SVGTextFragment&); 67 void paintDecorationWithStyle(GraphicsContext*, TextDecoration, const SVGTextFragment&, 68 RenderObject* decorationRenderer, RenderSVGResourceModeFlags); 69 void paintTextWithShadows(GraphicsContext*, RenderStyle*, TextRun&, const SVGTextFragment&, 70 int startPosition, int endPosition, RenderSVGResourceModeFlags); 71 void paintText(GraphicsContext*, RenderStyle*, RenderStyle* selectionStyle, const SVGTextFragment&, 72 RenderSVGResourceModeFlags, bool hasSelection, bool paintSelectedTextOnly); 73 74 virtual void paintDocumentMarker(GraphicsContext*, const FloatPoint&, DocumentMarker*, RenderStyle*, const Font&, bool) OVERRIDE FINAL; 75 virtual void paintTextMatchMarker(GraphicsContext*, const FloatPoint&, DocumentMarker*, RenderStyle*, const Font&) OVERRIDE FINAL; 76 77 virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, LayoutUnit lineTop, LayoutUnit lineBottom) OVERRIDE; 78 79 private: 80 float m_logicalHeight; 81 bool m_startsNewTextChunk : 1; 82 Vector<SVGTextFragment> m_textFragments; 83 }; 84 85 DEFINE_INLINE_BOX_TYPE_CASTS(SVGInlineTextBox); 86 87 } // namespace blink 88 89 #endif // SVGInlineTextBox_h 90