/* | |
* This file is part of the WebKit project. | |
* | |
* Copyright (C) 2006 Oliver Hunt <ojh16@student.canterbury.ac.nz> | |
* (C) 2006 Apple Computer Inc. | |
* (C) 2007 Nikolas Zimmermann <zimmermann@kde.org> | |
* | |
* This library is free software; you can redistribute it and/or | |
* modify it under the terms of the GNU Library General Public | |
* License as published by the Free Software Foundation; either | |
* version 2 of the License, or (at your option) any later version. | |
* | |
* This library is distributed in the hope that it will be useful, | |
* but WITHOUT ANY WARRANTY; without even the implied warranty of | |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
* Library General Public License for more details. | |
* | |
* You should have received a copy of the GNU Library General Public License | |
* along with this library; see the file COPYING.LIB. If not, write to | |
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | |
* Boston, MA 02110-1301, USA. | |
* | |
*/ | |
#ifndef SVGRootInlineBox_h | |
#define SVGRootInlineBox_h | |
#if ENABLE(SVG) | |
#include "RootInlineBox.h" | |
#include "SVGCharacterLayoutInfo.h" | |
#include "SVGRenderSupport.h" | |
namespace WebCore { | |
class InlineTextBox; | |
class RenderSVGRoot; | |
class SVGInlineTextBox; | |
struct LastGlyphInfo { | |
LastGlyphInfo() : isValid(false) { } | |
String unicode; | |
String glyphName; | |
bool isValid; | |
}; | |
class SVGRootInlineBox : public RootInlineBox, protected SVGRenderBase { | |
public: | |
SVGRootInlineBox(RenderObject* obj) | |
: RootInlineBox(obj) | |
, m_height(0) | |
{ | |
} | |
virtual const SVGRenderBase* toSVGRenderBase() const { return this; } | |
virtual bool isSVGRootInlineBox() { return true; } | |
virtual int virtualHeight() const { return m_height; } | |
void setHeight(int h) { m_height = h; } | |
virtual void paint(RenderObject::PaintInfo&, int tx, int ty); | |
virtual int placeBoxesHorizontally(int x, int& leftPosition, int& rightPosition, bool& needsWordSpacing); | |
virtual int verticallyAlignBoxes(int heightOfBlock); | |
virtual void computePerCharacterLayoutInformation(); | |
virtual FloatRect objectBoundingBox() const { return FloatRect(); } | |
virtual FloatRect repaintRectInLocalCoordinates() const { return FloatRect(); } | |
// Used by SVGInlineTextBox | |
const Vector<SVGTextChunk>& svgTextChunks() const; | |
void walkTextChunks(SVGTextChunkWalkerBase*, const SVGInlineTextBox* textBox = 0); | |
private: | |
friend struct SVGRootInlineBoxPaintWalker; | |
void layoutInlineBoxes(); | |
void layoutInlineBoxes(InlineFlowBox* start, Vector<SVGChar>::iterator& it, int& minX, int& maxX, int& minY, int& maxY); | |
void buildLayoutInformation(InlineFlowBox* start, SVGCharacterLayoutInfo&); | |
void buildLayoutInformationForTextBox(SVGCharacterLayoutInfo&, InlineTextBox*, LastGlyphInfo&); | |
void buildTextChunks(Vector<SVGChar>&, Vector<SVGTextChunk>&, InlineFlowBox* start); | |
void buildTextChunks(Vector<SVGChar>&, InlineFlowBox* start, SVGTextChunkLayoutInfo&); | |
void layoutTextChunks(); | |
SVGTextDecorationInfo retrievePaintServersForTextDecoration(RenderObject* start); | |
private: | |
int m_height; | |
Vector<SVGChar> m_svgChars; | |
Vector<SVGTextChunk> m_svgTextChunks; | |
}; | |
// Shared with SVGRenderTreeAsText / SVGInlineTextBox | |
TextRun svgTextRunForInlineTextBox(const UChar*, int len, RenderStyle* style, const InlineTextBox* textBox, float xPos); | |
FloatPoint topLeftPositionOfCharacterRange(Vector<SVGChar>::iterator start, Vector<SVGChar>::iterator end); | |
float cummulatedWidthOfInlineBoxCharacterRange(SVGInlineBoxCharacterRange& range); | |
float cummulatedHeightOfInlineBoxCharacterRange(SVGInlineBoxCharacterRange& range); | |
RenderSVGRoot* findSVGRootObject(RenderObject* start); | |
} // namespace WebCore | |
#endif // ENABLE(SVG) | |
#endif // SVGRootInlineBox_h |