001/*******************************************************************************
002 * This software is provided as a supplement to the authors' textbooks on digital
003 * image processing published by Springer-Verlag in various languages and editions.
004 * Permission to use and distribute this software is granted under the BSD 2-Clause
005 * "Simplified" License (see http://opensource.org/licenses/BSD-2-Clause).
006 * Copyright (c) 2006-2023 Wilhelm Burger, Mark J. Burge. All rights reserved.
007 * Visit https://imagingbook.com for additional details.
008 ******************************************************************************/
009package ImageJ_Demos;
010
011import ij.IJ;
012import ij.ImagePlus;
013import ij.plugin.filter.PlugInFilter;
014import ij.process.ImageProcessor;
015import imagingbook.core.jdoc.JavaDocHelp;
016
017/**
018 * This ImageJ plugin modifies and re-displays the current image repeatedly.
019 *
020 * @author WB
021 */
022public class UpdateAndDraw_Demo implements PlugInFilter, JavaDocHelp {
023        
024        ImagePlus im;
025
026        public int setup(String arg, ImagePlus im) {
027                this.im = im;           // keep reference to associated ImagePlus
028                return DOES_ALL;        // this plugin accepts any image
029        }
030
031        public void run(ImageProcessor ip) {
032                for (int i = 0; i < 10; i++) {
033                        // modify this image:
034                        ip.smooth();
035                        ip.rotate(30);
036                        // redisplay this image:
037                        im.updateAndDraw();
038                        // sleep so user can watch this:
039                        IJ.wait(100);
040                }
041        }
042}