public final int getBlue(int pixel) { if (pixel < map_size) { return (rgb[pixel] & 0xFF); } else {
public final int getBlue (int pixel) { if (pixel < map_size) return (int) (generateMask (0) & rgb[pixel]);
	public final int getBlue(int pixel) {		if (pixel < map_size) {			return (rgb[pixel] & 0xFF);		} else {			return 0;		}	}