1 /* 2 * Copyright (C) 2006 Oliver Hunt <ojh16@student.canterbury.ac.nz> 3 * Copyright (C) 2006 Apple Computer Inc. 4 * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org> 5 * Copyright (C) Research In Motion Limited 2010. All rights reserved. 6 * 7 * This library is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU Library General Public 9 * License as published by the Free Software Foundation; either 10 * version 2 of the License, or (at your option) any later version. 11 * 12 * This library is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Library General Public License for more details. 16 * 17 * You should have received a copy of the GNU Library General Public License 18 * along with this library; see the file COPYING.LIB. If not, write to 19 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 20 * Boston, MA 02110-1301, USA. 21 */ 22 23 #ifndef SVGRootInlineBox_h 24 #define SVGRootInlineBox_h 25 26 #include "core/rendering/RootInlineBox.h" 27 #include "core/rendering/svg/SVGRenderSupport.h" 28 #include "core/rendering/svg/SVGTextLayoutEngine.h" 29 30 namespace blink { 31 32 class SVGRootInlineBox FINAL : public RootInlineBox { 33 public: SVGRootInlineBox(RenderBlockFlow & block)34 SVGRootInlineBox(RenderBlockFlow& block) 35 : RootInlineBox(block) 36 , m_logicalHeight(0) 37 { 38 } 39 isSVGRootInlineBox()40 virtual bool isSVGRootInlineBox() const OVERRIDE { return true; } 41 virtualLogicalHeight()42 virtual float virtualLogicalHeight() const OVERRIDE { return m_logicalHeight; } setLogicalHeight(float height)43 void setLogicalHeight(float height) { m_logicalHeight = height; } 44 45 virtual void paint(PaintInfo&, const LayoutPoint&, LayoutUnit lineTop, LayoutUnit lineBottom) OVERRIDE; 46 47 virtual void markDirty() OVERRIDE; 48 49 void computePerCharacterLayoutInformation(); 50 51 InlineBox* closestLeafChildForPosition(const LayoutPoint&); 52 53 private: 54 void reorderValueLists(Vector<SVGTextLayoutAttributes*>&); 55 void layoutCharactersInTextBoxes(InlineFlowBox*, SVGTextLayoutEngine&); 56 void layoutChildBoxes(InlineFlowBox*, FloatRect* = 0); 57 void layoutRootBox(const FloatRect&); 58 59 private: 60 float m_logicalHeight; 61 }; 62 63 DEFINE_INLINE_BOX_TYPE_CASTS(SVGRootInlineBox); 64 65 } // namespace blink 66 67 #endif // SVGRootInlineBox_h 68