lyx_mirror/src/mathed/math_stackrelinset.C
André Pönitz cbf29c8fdc new hierarchy for frac-like things
'native' \stackrel support
remove MathInset::name_ member (sizeof(MathInset) == 20 on IA32 now);


git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@2457 a592a061-630c-0410-9148-cb99ea01b6c8
2001-08-08 17:26:30 +00:00

59 lines
1.1 KiB
C

#ifdef __GNUG__
#pragma implementation
#endif
#include "math_stackrelinset.h"
#include "mathed/support.h"
#include "support/LOstream.h"
MathStackrelInset::MathStackrelInset()
{}
MathInset * MathStackrelInset::clone() const
{
return new MathStackrelInset(*this);
}
void MathStackrelInset::metrics(MathStyles st) const
{
size_ = smallerStyleFrac(st);
xcell(0).metrics(size_);
xcell(1).metrics(st);
width_ = std::max(xcell(0).width(), xcell(1).width()) + 4;
ascent_ = xcell(1).ascent() + xcell(0).height() + 4;
descent_ = xcell(1).descent();
}
void MathStackrelInset::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).height() - 4);
xcell(1).draw(pain, m - xcell(1).width() / 2, y);
}
void MathStackrelInset::write(std::ostream & os, bool fragile) const
{
os << "\\stackrel{";
cell(0).write(os, fragile);
os << "}{";
cell(1).write(os, fragile);
os << '}';
}
void MathStackrelInset::writeNormal(std::ostream & os) const
{
os << "[stackrel ";
cell(0).writeNormal(os);
os << " ";
cell(1).writeNormal(os);
os << "] ";
}