mirror of
https://git.lyx.org/repos/lyx.git
synced 2024-11-11 13:46:43 +00:00
1555e4c27c
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@2542 a592a061-630c-0410-9148-cb99ea01b6c8
74 lines
1.4 KiB
C
74 lines
1.4 KiB
C
#ifdef __GNUG__
|
|
#pragma implementation
|
|
#endif
|
|
|
|
#include "math_fracinset.h"
|
|
#include "mathed/support.h"
|
|
#include "Painter.h"
|
|
#include "support/LOstream.h"
|
|
|
|
|
|
MathFracInset::MathFracInset(bool atop)
|
|
: atop_(atop)
|
|
{}
|
|
|
|
|
|
MathInset * MathFracInset::clone() const
|
|
{
|
|
return new MathFracInset(*this);
|
|
}
|
|
|
|
|
|
void MathFracInset::metrics(MathStyles st) const
|
|
{
|
|
size_ = smallerStyleFrac(st);
|
|
xcell(0).metrics(size_);
|
|
xcell(1).metrics(size_);
|
|
width_ = std::max(xcell(0).width(), xcell(1).width()) + 4;
|
|
ascent_ = xcell(0).height() + 4 + 5;
|
|
descent_ = xcell(1).height() + 4 - 5;
|
|
}
|
|
|
|
|
|
void MathFracInset::draw(Painter & pain, int x, int y) const
|
|
{
|
|
xo(x);
|
|
yo(y);
|
|
int m = x + width() / 2;
|
|
xcell(0).draw(pain, m - xcell(0).width() / 2, y - xcell(0).descent() - 3 - 5);
|
|
xcell(1).draw(pain, m - xcell(1).width() / 2, y + xcell(1).ascent() + 3 - 5);
|
|
if (!atop_)
|
|
pain.line(x + 2, y - 5, x + width() - 4, y - 5, LColor::mathline);
|
|
}
|
|
|
|
|
|
void MathFracInset::write(std::ostream & os, bool fragile) const
|
|
{
|
|
if (atop_) {
|
|
os << "{";
|
|
cell(0).write(os, fragile);
|
|
os << "\\atop ";
|
|
cell(1).write(os, fragile);
|
|
os << '}';
|
|
} else {
|
|
os << "\\frac{";
|
|
cell(0).write(os, fragile);
|
|
os << "}{";
|
|
cell(1).write(os, fragile);
|
|
os << '}';
|
|
}
|
|
}
|
|
|
|
|
|
void MathFracInset::writeNormal(std::ostream & os) const
|
|
{
|
|
if (atop_)
|
|
os << "[atop ";
|
|
else
|
|
os << "[frac ";
|
|
cell(0).writeNormal(os);
|
|
os << " ";
|
|
cell(1).writeNormal(os);
|
|
os << "] ";
|
|
}
|