2 * \file InsetMathDFrac.cpp
3 * This file is part of LyX, the document processor.
4 * Licence details can be found in the file COPYING.
8 * Full author contact details are available in file CREDITS.
13 #include "InsetMathDFrac.h"
15 #include "MathStream.h"
16 #include "LaTeXFeatures.h"
18 #include "frontends/Painter.h"
23 InsetMathDFrac::InsetMathDFrac()
28 Inset * InsetMathDFrac::clone() const
30 return new InsetMathDFrac(*this);
34 void InsetMathDFrac::metrics(MetricsInfo & mi, Dimension & dim) const
37 cell(0).metrics(mi, dim0);
38 cell(1).metrics(mi, dim1);
39 dim.wid = std::max(dim0.wid, dim1.wid) + 2;
40 dim.asc = dim0.height() + 2 + 5;
41 dim.des = dim1.height() + 2 - 5;
42 // Cache the inset dimension.
47 void InsetMathDFrac::draw(PainterInfo & pi, int x, int y) const
49 Dimension const dim = dimension(*pi.base.bv);
50 Dimension const & dim0 = cell(0).dimension(*pi.base.bv);
51 Dimension const & dim1 = cell(1).dimension(*pi.base.bv);
52 int m = x + dim.wid / 2;
53 cell(0).draw(pi, m - dim0.wid / 2, y - dim0.des - 2 - 5);
54 cell(1).draw(pi, m - dim1.wid / 2, y + dim1.asc + 2 - 5);
55 pi.pain.line(x + 1, y - 5, x + dim.wid - 2, y - 5, Color::math);
56 setPosCache(pi, x, y);
60 docstring InsetMathDFrac::name() const
62 return from_ascii("dfrac");
66 void InsetMathDFrac::mathmlize(MathStream & os) const
68 os << MTag("mdfrac") << cell(0) << cell(1) << ETag("mdfrac");
72 void InsetMathDFrac::validate(LaTeXFeatures & features) const
74 features.require("amsmath");
75 InsetMathNest::validate(features);