/** * ImageObserver -  * * Copyright (c) 1998 *      Transvirtual Technologies, Inc.  All rights reserved. * * See the file "license.terms" for information on usage and redistribution  * of this file.  * * @author P. Mehlitz */package java.awt.image;import java.awt.Image;public interface ImageObserver {int WIDTH = 1;int HEIGHT = 2;int PROPERTIES = 4;int SOMEBITS = 8;int FRAMEBITS = 16;int ALLBITS = 32;int ERROR = 64;int ABORT = 128;boolean imageUpdate ( Image img, int infoflags, int x, int y, int width, int height );}