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      1 /*
      2  * Copyright (C) 2006 Oliver Hunt <ojh16 (at) student.canterbury.ac.nz>
      3  * Copyright (C) 2006 Apple Computer Inc.
      4  * Copyright (C) 2007 Nikolas Zimmermann <zimmermann (at) 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 #if ENABLE(SVG)
     27 #include "RootInlineBox.h"
     28 #include "SVGRenderSupport.h"
     29 #include "SVGTextLayoutEngine.h"
     30 
     31 namespace WebCore {
     32 
     33 class SVGInlineTextBox;
     34 
     35 class SVGRootInlineBox : public RootInlineBox {
     36 public:
     37     SVGRootInlineBox(RenderBlock* block)
     38         : RootInlineBox(block)
     39         , m_logicalHeight(0)
     40     {
     41     }
     42 
     43     virtual bool isSVGRootInlineBox() const { return true; }
     44 
     45     virtual int virtualLogicalHeight() const { return m_logicalHeight; }
     46     void setLogicalHeight(int height) { m_logicalHeight = height; }
     47 
     48     virtual void paint(PaintInfo&, int tx, int ty, int lineTop, int lineBottom);
     49 
     50     void computePerCharacterLayoutInformation();
     51 
     52     virtual FloatRect objectBoundingBox() const { return FloatRect(); }
     53     virtual FloatRect repaintRectInLocalCoordinates() const { return FloatRect(); }
     54 
     55     InlineBox* closestLeafChildForPosition(const IntPoint&);
     56 
     57 private:
     58     void reorderValueLists(Vector<SVGTextLayoutAttributes>&);
     59     void layoutCharactersInTextBoxes(InlineFlowBox*, SVGTextLayoutEngine&);
     60     void layoutChildBoxes(InlineFlowBox*);
     61     void layoutRootBox();
     62 
     63 private:
     64     int m_logicalHeight;
     65 };
     66 
     67 } // namespace WebCore
     68 
     69 #endif // ENABLE(SVG)
     70 
     71 #endif // SVGRootInlineBox_h
     72