installFont();
carbon_installFont();
public FontMetrics getFontMetrics() {	if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED);		try {		focus(false, null);		installFont();		short[] fontInfo= new short[4];		OS.GetFontInfo(fontInfo);	// FontInfo		byte[] s= "abcdefghijklmnopqrstuvwxyz".getBytes();		int width= OS.TextWidth(s, (short)0, (short)s.length) / 26;		return FontMetrics.carbon_new(fontInfo[0], fontInfo[1], width, fontInfo[3], fontInfo[0]+fontInfo[1]);	} finally {		unfocus(false);		}}