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/*
* 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 "rendering/render_line.h" // RootInlineBox
#include "SVGCharacterLayoutInfo.h"
#include "rendering/render_text.h"
namespace WebCore
{
using namespace khtml;
//class InlineTextBox;
class RenderSVGRoot;
class SVGInlineTextBox;
struct LastGlyphInfo {
LastGlyphInfo() : isValid(false) { }
String unicode;
String glyphName;
bool isValid;
};
class SVGRootInlineBox : public RootInlineBox
{
public:
SVGRootInlineBox(RenderObject *obj)
: RootInlineBox(obj)
{
}
bool isSVGRootInlineBox() const override
{
return true;
}
void paint(RenderObject::PaintInfo &, int tx, int ty) override;
virtual int placeBoxesHorizontally(int x, int &leftPosition, int &rightPosition, bool &needsWordSpacing);
virtual void verticallyAlignBoxes(int &heightOfBlock);
virtual void computePerCharacterLayoutInformation();
// Used by SVGInlineTextBox
const Vector<SVGTextChunk> &svgTextChunks() const;
void walkTextChunks(SVGTextChunkWalkerBase *, const SVGInlineTextBox *textBox = nullptr);
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:
Vector<SVGChar> m_svgChars;
Vector<SVGTextChunk> m_svgTextChunks;
};
// Shared with SVGRenderTreeAsText / SVGInlineTextBox
/*khtml 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
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