1 /* 2 * Copyright (C) 2006 Oliver Hunt <ojh16@student.canterbury.ac.nz> 3 * Copyright (C) 2006, 2008 Apple Inc. All rights reserved. 4 * Copyright (C) 2008 Rob Buis <buis@kde.org> 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 RenderSVGInlineText_h 23 #define RenderSVGInlineText_h 24 25 #include "core/rendering/RenderText.h" 26 #include "core/rendering/svg/SVGTextLayoutAttributes.h" 27 28 namespace WebCore { 29 30 class RenderSVGInlineText FINAL : public RenderText { 31 public: 32 RenderSVGInlineText(Node*, PassRefPtr<StringImpl>); 33 34 bool characterStartsNewTextChunk(int position) const; layoutAttributes()35 SVGTextLayoutAttributes* layoutAttributes() { return &m_layoutAttributes; } 36 scalingFactor()37 float scalingFactor() const { return m_scalingFactor; } scaledFont()38 const Font& scaledFont() const { return m_scaledFont; } 39 void updateScaledFont(); 40 static void computeNewScaledFontForStyle(RenderObject*, const RenderStyle*, float& scalingFactor, Font& scaledFont); 41 42 // Preserves floating point precision for the use in DRT. It knows how to round and does a better job than enclosingIntRect. 43 FloatRect floatLinesBoundingBox() const; 44 45 private: renderName()46 virtual const char* renderName() const OVERRIDE { return "RenderSVGInlineText"; } 47 48 virtual void setTextInternal(PassRefPtr<StringImpl>) OVERRIDE; 49 virtual void styleDidChange(StyleDifference, const RenderStyle*) OVERRIDE; 50 objectBoundingBox()51 virtual FloatRect objectBoundingBox() const OVERRIDE { return floatLinesBoundingBox(); } 52 isSVGInlineText()53 virtual bool isSVGInlineText() const OVERRIDE { return true; } isSVG()54 virtual bool isSVG() const OVERRIDE { return true; } 55 56 virtual PositionWithAffinity positionForPoint(const LayoutPoint&) OVERRIDE; 57 virtual LayoutRect localCaretRect(InlineBox*, int caretOffset, LayoutUnit* extraWidthToEndOfLine = 0) OVERRIDE; 58 virtual IntRect linesBoundingBox() const OVERRIDE; 59 virtual InlineTextBox* createTextBox() OVERRIDE; 60 61 float m_scalingFactor; 62 Font m_scaledFont; 63 SVGTextLayoutAttributes m_layoutAttributes; 64 }; 65 66 DEFINE_RENDER_OBJECT_TYPE_CASTS(RenderSVGInlineText, isSVGInlineText()); 67 68 } 69 70 #endif // RenderSVGInlineText_h 71