#ifdef __GNUG__
#pragma implementation
#endif

#include "math_stackrelinset.h"
#include "math_mathmlstream.h"
#include "math_support.h"


using std::max;


MathStackrelInset::MathStackrelInset()
{}


MathInset * MathStackrelInset::clone() const
{   
	return new MathStackrelInset(*this);
}


void MathStackrelInset::metrics(MathMetricsInfo const & mi) const
{
	MathMetricsInfo m = mi;
	smallerStyleFrac(m);
	xcell(0).metrics(m);
	xcell(1).metrics(mi);
	width_   = 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
{
	int m  = x + width() / 2;
	int yo = y - xcell(1).ascent() - xcell(0).descent() - 1;
	xcell(0).draw(pain, m - xcell(0).width() / 2, yo);
	xcell(1).draw(pain, m - xcell(1).width() / 2, y);
}


void MathStackrelInset::write(WriteStream & os) const
{
	os << "\\stackrel{" << cell(0) << "}{" << cell(1) << '}';
}


void MathStackrelInset::normalize(NormalStream & os) const
{
	os << "[stackrel " << cell(0) << ' ' << cell(1) << ']';
}