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/*
* Copyright (C) 2009 Alex Milowski (alex@milowski.com). All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef RenderMathMLRoot_h
#define RenderMathMLRoot_h
#if ENABLE(MATHML)
#include "RenderMathMLBlock.h"
namespace WebCore {
// Render base^(1/index), or sqrt(base) via the derived class RenderMathMLSquareRoot, using radical notation.
class RenderMathMLRoot : public RenderMathMLBlock {
public:
RenderMathMLRoot(Element*);
virtual LayoutUnit paddingTop() const OVERRIDE;
virtual LayoutUnit paddingBottom() const OVERRIDE;
virtual LayoutUnit paddingLeft() const OVERRIDE;
virtual LayoutUnit paddingRight() const OVERRIDE;
virtual LayoutUnit paddingBefore() const OVERRIDE;
virtual LayoutUnit paddingAfter() const OVERRIDE;
virtual LayoutUnit paddingStart() const OVERRIDE;
virtual LayoutUnit paddingEnd() const OVERRIDE;
virtual void addChild(RenderObject* newChild, RenderObject* beforeChild = 0) OVERRIDE;
protected:
virtual void layout() OVERRIDE;
virtual void paint(PaintInfo&, const LayoutPoint&) OVERRIDE;
private:
virtual bool isRenderMathMLRoot() const { return true; }
virtual const char* renderName() const { return "RenderMathMLRoot"; }
virtual void computePreferredLogicalWidths() OVERRIDE;
// This may return 0 for a non-MathML index (which won't occur in valid MathML).
RenderBoxModelObject* index() const;
int m_intrinsicPaddingBefore;
int m_intrinsicPaddingAfter;
int m_intrinsicPaddingStart;
int m_intrinsicPaddingEnd;
int m_overbarLeftPointShift;
int m_indexTop;
};
}
#endif // ENABLE(MATHML)
#endif // RenderMathMLRoot_h
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