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75ba515b18
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@8621 a592a061-630c-0410-9148-cb99ea01b6c8
75 lines
1.5 KiB
C
75 lines
1.5 KiB
C
/**
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* \file math_dfracinset.C
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author André Pönitz
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*
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* Full author contact details are available in file CREDITS.
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*/
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#include <config.h>
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#include "math_dfracinset.h"
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#include "math_data.h"
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#include "math_mathmlstream.h"
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#include "LaTeXFeatures.h"
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#include "LColor.h"
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#include "frontends/Painter.h"
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using std::string;
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using std::max;
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using std::auto_ptr;
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MathDfracInset::MathDfracInset()
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: MathFracInset(false)
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{}
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auto_ptr<InsetBase> MathDfracInset::clone() const
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{
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return auto_ptr<InsetBase>(new MathDfracInset(*this));
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}
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void MathDfracInset::metrics(MetricsInfo & mi, Dimension & dim) const
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{
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cell(0).metrics(mi);
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cell(1).metrics(mi);
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dim_.wid = max(cell(0).width(), cell(1).width()) + 2;
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dim_.asc = cell(0).height() + 2 + 5;
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dim_.des = cell(1).height() + 2 - 5;
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dim = dim_;
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}
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void MathDfracInset::draw(PainterInfo & pi, int x, int y) const
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{
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int m = x + dim_.wid / 2;
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cell(0).draw(pi, m - cell(0).width() / 2, y - cell(0).descent() - 2 - 5);
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cell(1).draw(pi, m - cell(1).width() / 2, y + cell(1).ascent() + 2 - 5);
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pi.pain.line(x + 1, y - 5, x + dim_.wid - 2, y - 5, LColor::math);
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setPosCache(pi, x, y);
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}
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string MathDfracInset::name() const
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{
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return "dfrac";
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}
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void MathDfracInset::mathmlize(MathMLStream & os) const
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{
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os << MTag("mdfrac") << cell(0) << cell(1) << ETag("mdfrac");
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}
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void MathDfracInset::validate(LaTeXFeatures & features) const
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{
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features.require("amsmath");
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MathNestInset::validate(features);
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}
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