lyx_mirror/src/mathed/math_braceinset.C

#include <config.h>

#ifdef __GNUG__
#pragma implementation
#endif

#include "math_braceinset.h"
#include "math_parser.h"
#include "math_support.h"
#include "math_mathmlstream.h"


using std::max;


MathBraceInset::MathBraceInset()
	: MathNestInset(1)
{}


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


void MathBraceInset::metrics(MathMetricsInfo const & mi) const
{
	xcell(0).metrics(mi);
	int a, d;
	whichFont(font_, LM_TC_TEX, mi);
	mathed_char_dim(font_, '{', a, d, wid_);
	ascent_  = max(xcell(0).ascent(), a);
	descent_ = max(xcell(0).descent(), a);
	width_   = xcell(0).width() + 2 * wid_;
}


void MathBraceInset::draw(Painter & pain, int x, int y) const
{ 
	drawChar(pain, font_, x, y, '{');
	xcell(0).draw(pain, x + wid_, y);
	drawChar(pain, font_, x + width_ - wid_, y, '}');
}


void MathBraceInset::write(WriteStream & os) const
{
	os << '{' << cell(0) << '}';
}


void MathBraceInset::normalize(NormalStream & os) const
{
	os << "[block " << cell(0) << ']';
}