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-rw-r--r--Source/WebCore/mathml/RenderMathMLFraction.cpp186
1 files changed, 0 insertions, 186 deletions
diff --git a/Source/WebCore/mathml/RenderMathMLFraction.cpp b/Source/WebCore/mathml/RenderMathMLFraction.cpp
deleted file mode 100644
index 1435be7..0000000
--- a/Source/WebCore/mathml/RenderMathMLFraction.cpp
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@@ -1,186 +0,0 @@
-/*
- * Copyright (C) 2009 Alex Milowski (alex@milowski.com). All rights reserved.
- * Copyright (C) 2010 François Sausset (sausset@gmail.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.
- */
-
-#include "config.h"
-
-#if ENABLE(MATHML)
-
-#include "RenderMathMLFraction.h"
-
-#include "GraphicsContext.h"
-#include "MathMLNames.h"
-#include "RenderText.h"
-
-namespace WebCore {
-
-using namespace MathMLNames;
-
-static const double gHorizontalPad = 0.2;
-static const int gLineThin = 1;
-static const int gLineMedium = 3;
-static const int gLineThick = 5;
-static const double gFractionAlignment = 0.25;
-static const double gFractionBarWidth = 0.05;
-static const double gDenominatorPad = 0.1;
-
-RenderMathMLFraction::RenderMathMLFraction(Element* fraction)
- : RenderMathMLBlock(fraction)
- , m_lineThickness(gLineThin)
-{
- setChildrenInline(false);
-}
-
-void RenderMathMLFraction::updateFromElement()
-{
- // FIXME: mfrac where bevelled=true will need to reorganize the descendants
- if (isEmpty())
- return;
-
- Element* fraction = static_cast<Element*>(node());
-
- RenderObject* numerator = firstChild();
- String nalign = fraction->getAttribute(MathMLNames::numalignAttr);
- if (equalIgnoringCase(nalign, "left"))
- numerator->style()->setTextAlign(LEFT);
- else if (equalIgnoringCase(nalign, "right"))
- numerator->style()->setTextAlign(RIGHT);
- else
- numerator->style()->setTextAlign(CENTER);
-
- RenderObject* denominator = numerator->nextSibling();
- if (!denominator)
- return;
-
- String dalign = fraction->getAttribute(MathMLNames::denomalignAttr);
- if (equalIgnoringCase(dalign, "left"))
- denominator->style()->setTextAlign(LEFT);
- else if (equalIgnoringCase(dalign, "right"))
- denominator->style()->setTextAlign(RIGHT);
- else
- denominator->style()->setTextAlign(CENTER);
-
- // FIXME: parse units
- String thickness = fraction->getAttribute(MathMLNames::linethicknessAttr);
- m_lineThickness = gLineThin;
- if (equalIgnoringCase(thickness, "thin"))
- m_lineThickness = gLineThin;
- else if (equalIgnoringCase(thickness, "medium"))
- m_lineThickness = gLineMedium;
- else if (equalIgnoringCase(thickness, "thick"))
- m_lineThickness = gLineThick;
- else if (equalIgnoringCase(thickness, "0"))
- m_lineThickness = 0;
-
- // Update the style for the padding of the denominator for the line thickness
- lastChild()->style()->setPaddingTop(Length(static_cast<int>(m_lineThickness + style()->fontSize() * gDenominatorPad), Fixed));
-}
-
-void RenderMathMLFraction::addChild(RenderObject* child, RenderObject* beforeChild)
-{
- RenderBlock* row = new (renderArena()) RenderMathMLBlock(node());
- RefPtr<RenderStyle> rowStyle = makeBlockStyle();
-
- rowStyle->setTextAlign(CENTER);
- Length pad(static_cast<int>(rowStyle->fontSize() * gHorizontalPad), Fixed);
- rowStyle->setPaddingLeft(pad);
- rowStyle->setPaddingRight(pad);
-
- // Only add padding for rows as denominators
- bool isNumerator = isEmpty();
- if (!isNumerator)
- rowStyle->setPaddingTop(Length(2, Fixed));
-
- row->setStyle(rowStyle.release());
- RenderBlock::addChild(row, beforeChild);
- row->addChild(child);
- updateFromElement();
-}
-
-void RenderMathMLFraction::layout()
-{
- updateFromElement();
-
- // Adjust the fraction line thickness for the zoom
- if (lastChild() && lastChild()->isRenderBlock())
- m_lineThickness = static_cast<int>(m_lineThickness * ceil(gFractionBarWidth * style()->fontSize()));
-
- RenderBlock::layout();
-
-}
-
-void RenderMathMLFraction::paint(PaintInfo& info, int tx, int ty)
-{
- RenderMathMLBlock::paint(info, tx, ty);
- if (info.context->paintingDisabled() || info.phase != PaintPhaseForeground)
- return;
-
- if (!firstChild() ||!m_lineThickness)
- return;
-
- int verticalOffset = 0;
- // The children are always RenderMathMLBlock instances
- if (firstChild()->isRenderMathMLBlock()) {
- int adjustForThickness = m_lineThickness > 1 ? m_lineThickness / 2 : 1;
- if (m_lineThickness % 2 == 1)
- adjustForThickness++;
- RenderMathMLBlock* numerator = toRenderMathMLBlock(firstChild());
- if (numerator->isRenderMathMLRow())
- verticalOffset = numerator->offsetHeight() + adjustForThickness;
- else
- verticalOffset = numerator->offsetHeight();
- }
-
- tx += x();
- ty += y() + verticalOffset;
-
- info.context->save();
-
- info.context->setStrokeThickness(static_cast<float>(m_lineThickness));
- info.context->setStrokeStyle(SolidStroke);
- info.context->setStrokeColor(style()->visitedDependentColor(CSSPropertyColor), ColorSpaceSRGB);
-
- info.context->drawLine(IntPoint(tx, ty), IntPoint(tx + offsetWidth(), ty));
-
- info.context->restore();
-}
-
-int RenderMathMLFraction::baselinePosition(FontBaseline, bool firstLine, LineDirectionMode lineDirection, LinePositionMode linePositionMode) const
-{
- if (firstChild() && firstChild()->isRenderMathMLBlock()) {
- RenderMathMLBlock* numerator = toRenderMathMLBlock(firstChild());
- // FIXME: the baseline should adjust so the fraction line aligns
- // relative certain operators (e.g. aligns with the horizontal
- // stroke of the plus). 1/3 of the current font size is just
- // a good guess.
- return numerator->offsetHeight() + style()->fontSize() / 3;
- }
- return RenderBlock::baselinePosition(AlphabeticBaseline, firstLine, lineDirection, linePositionMode);
-}
-
-}
-
-
-#endif // ENABLE(MATHML)
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