3 #include "math_binominset.h"
4 #include "math_support.h"
5 #include "support/LOstream.h"
6 #include "math_mathmlstream.h"
13 MathBinomInset::MathBinomInset(bool choose)
18 auto_ptr<InsetBase> MathBinomInset::clone() const
20 return auto_ptr<InsetBase>(new MathBinomInset(*this));
24 int MathBinomInset::dw() const
26 int w = dim_.height() / 5;
35 void MathBinomInset::metrics(MetricsInfo & mi, Dimension & dim) const
37 ScriptChanger dummy(mi.base);
40 dim_.asc = cell(0).height() + 4 + 5;
41 dim_.des = cell(1).height() + 4 - 5;
42 dim_.wid = max(cell(0).width(), cell(1).width()) + 2 * dw() + 4;
47 void MathBinomInset::draw(PainterInfo & pi, int x, int y) const
49 int m = x + dim_.width() / 2;
50 ScriptChanger dummy(pi.base);
51 cell(0).draw(pi, m - cell(0).width() / 2, y - cell(0).descent() - 3 - 5);
52 cell(1).draw(pi, m - cell(1).width() / 2, y + cell(1).ascent() + 3 - 5);
53 mathed_draw_deco(pi, x, y - dim_.ascent(), dw(), dim_.height(), "(");
54 mathed_draw_deco(pi, x + dim_.width() - dw(), y - dim_.ascent(),
55 dw(), dim_.height(), ")");
59 void MathBinomInset::write(WriteStream & os) const
62 os << '{' << cell(0) << " \\choose " << cell(1) << '}';
64 os << "\\binom{" << cell(0) << "}{" << cell(1) << '}';
68 void MathBinomInset::normalize(NormalStream & os) const
70 os << "[binom " << cell(0) << ' ' << cell(1) << ']';