public MemoryImageSource(int w, int h, int pix[], int off, int scan) { this(w, h, ColorModel.getRGBdefault(), pix, off, scan, null);
public MemoryImageSource(int w, int h, ColorModel cm, byte pix[], int off, int scan) { this ( w, h, cm, pix, off, scan, null );
	public MemoryImageSource(int w, int h, int pix[], int off, int scan) {		this(w, h, ColorModel.getRGBdefault(), pix, off, scan, null);	}