#include <ol.h>

displayitem str = "";

float minwidth()
{
	return preferredwidth();
}

float minheight()
{
	return preferredheight();
}

float preferredwidth()
{
	float W;

	gsave();
	gset();
	W = DIWidth(str);
	grestore();
	return W;
}

float preferredheight()
{
	float H;

	gsave();
	gset();
	H = DIHeight(str);
	grestore();
	return H;
}

void Paint()
{
	switch (justification) {
	case /Right:
		DIPaintRight(str,0,0,w,h);
		break;
	case /Centered:
		DIPaintCentered(str,0,0,w,h);
		break;
	default:
		DIPaintLeft(str,0,0,w,h);
		break;
	}
}

void setlabel(displayitem s)
{
	str = s;
	gexec(/Paint);
}