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/**
* Copyright (C) 2010 Alex Milowski (alex@milowski.com). All rights reserved.
* Copyright (C) 2012 David Barton (dbarton@mathscribe.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.
*/
#pragma once
#if ENABLE(MATHML)
#include "RenderBoxInlines.h"
#include "RenderMathMLBlock.h"
#include "RenderTableInlines.h"
#include "StyleInheritedData.h"
namespace WebCore {
inline RenderMathMLTable::RenderMathMLTable(MathMLElement& element, RenderStyle&& style)
: RenderTable(Type::MathMLTable, element, WTFMove(style))
, m_mathMLStyle(MathMLStyle::create())
{
ASSERT(isRenderMathMLTable());
}
inline LayoutUnit RenderMathMLBlock::ascentForChild(const RenderBox& child)
{
return child.firstLineBaseline().value_or(child.logicalHeight().toInt());
}
inline LayoutUnit RenderMathMLBlock::mirrorIfNeeded(LayoutUnit horizontalOffset, const RenderBox& child) const
{
return mirrorIfNeeded(horizontalOffset, child.logicalWidth());
}
inline LayoutUnit RenderMathMLBlock::ruleThicknessFallback() const
{
// This function returns a value for the default rule thickness (TeX's \xi_8) to be used as a fallback when we lack a MATH table.
// This arbitrary value of 0.05em was used in early WebKit MathML implementations for the thickness of the fraction bars.
// Note that Gecko has a slower but more accurate version that measures the thickness of U+00AF MACRON to be more accurate and otherwise fallback to some arbitrary value.
return LayoutUnit(0.05f * style().fontCascade().size());
}
} // namespace WebCore
#endif // ENABLE(MATHML)
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