public static short pixel2WidthUnits(final int pxs) {
		short widthUnits = (short) (EXCEL_COLUMN_WIDTH_FACTOR
				* (pxs / UNIT_OFFSET_LENGTH));
		widthUnits += UNIT_OFFSET_MAP[pxs % UNIT_OFFSET_LENGTH];
		return widthUnits;
	}
public static short pixel2WidthUnits(final int pxs) {
		short widthUnits = (short) (EXCEL_COLUMN_WIDTH_FACTOR
				* (pxs / UNIT_OFFSET_LENGTH));
		widthUnits += UNIT_OFFSET_MAP[pxs % UNIT_OFFSET_LENGTH];
		return widthUnits;
	}
public static short pixel2WidthUnits ( final int pxs ) { short widthUnits = ( short ) ( EXCEL_COLUMN_WIDTH_FACTOR * ( pxs / UNIT_OFFSET_LENGTH ) ) ; widthUnits += UNIT_OFFSET_MAP [ pxs % UNIT_OFFSET_LENGTH ] ; return widthUnits ; }
pixel units to excel width units(units of 1/256th of a character width).

@param pxs
the pxs
@return the short
pixel units to excel width units ( units of 1 / 256th of a character width ) .