2 * \file math_fracinset.C
3 * This file is part of LyX, the document processor.
4 * Licence details can be found in the file COPYING.
6 * \author Alejandro Aguilar Sierra
9 * Full author contact details are available in file CREDITS.
14 #include "math_fracinset.h"
15 #include "math_data.h"
16 #include "math_mathmlstream.h"
17 #include "textpainter.h"
19 #include "frontends/Painter.h"
26 MathFracInset::MathFracInset(bool atop)
31 auto_ptr<InsetBase> MathFracInset::clone() const
33 return auto_ptr<InsetBase>(new MathFracInset(*this));
37 MathFracInset * MathFracInset::asFracInset()
39 return atop_ ? 0 : this;
43 MathFracInset const * MathFracInset::asFracInset() const
45 return atop_ ? 0 : this;
49 void MathFracInset::metrics(MetricsInfo & mi, Dimension & dim) const
51 FracChanger dummy(mi.base);
54 dim_.wid = max(cell(0).width(), cell(1).width()) + 2;
55 dim_.asc = cell(0).height() + 2 + 5;
56 dim_.des = cell(1).height() + 2 - 5;
61 void MathFracInset::draw(PainterInfo & pi, int x, int y) const
63 int m = x + dim_.wid / 2;
64 FracChanger dummy(pi.base);
65 cell(0).draw(pi, m - cell(0).width() / 2, y - cell(0).descent() - 2 - 5);
66 cell(1).draw(pi, m - cell(1).width() / 2, y + cell(1).ascent() + 2 - 5);
68 pi.pain.line(x + 1, y - 5, x + dim_.wid - 2, y - 5, LColor::math);
72 void MathFracInset::metricsT(TextMetricsInfo const & mi, Dimension & dim) const
74 cell(0).metricsT(mi, dim);
75 cell(1).metricsT(mi, dim);
76 dim.wid = max(cell(0).width(), cell(1).width());
77 dim.asc = cell(0).height() + 1;
78 dim.des = cell(1).height();
83 void MathFracInset::drawT(TextPainter & pain, int x, int y) const
85 int m = x + dim_.width() / 2;
86 cell(0).drawT(pain, m - cell(0).width() / 2, y - cell(0).descent() - 1);
87 cell(1).drawT(pain, m - cell(1).width() / 2, y + cell(1).ascent());
89 pain.horizontalLine(x, y, dim_.width());
93 void MathFracInset::write(WriteStream & os) const
96 os << '{' << cell(0) << "\\atop " << cell(1) << '}';
98 MathNestInset::write(os);
102 string MathFracInset::name() const
104 return atop_ ? "atop" : "frac";
108 void MathFracInset::maple(MapleStream & os) const
110 os << '(' << cell(0) << ")/(" << cell(1) << ')';
114 void MathFracInset::mathematica(MathematicaStream & os) const
116 os << '(' << cell(0) << ")/(" << cell(1) << ')';
120 void MathFracInset::octave(OctaveStream & os) const
122 os << '(' << cell(0) << ")/(" << cell(1) << ')';
126 void MathFracInset::mathmlize(MathMLStream & os) const
128 os << MTag("mfrac") << cell(0) << cell(1) << ETag("mfrac");