Iterator colors = printerColors.values().iterator();
Enumeration colors = printerColors.elements();
	void dispose() {		if (printerColors != null) {			Iterator colors = printerColors.values().iterator();						while (colors.hasNext()) {				Color color = (Color) colors.next();				color.dispose();			}			printerColors = null;		}		if (gc != null) {			gc.dispose();			gc = null;		}		if (printerFont != null) {			printerFont.dispose();			printerFont = null;		}		if (renderer != null) {			renderer.dispose();			renderer = null;		}	}