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.ImagePlus;
012import ij.plugin.filter.PlugInFilter;
013import ij.process.ImageProcessor;
014import imagingbook.core.jdoc.JavaDocHelp;
015
016import java.util.Random;
017
018/**
019 * Fills the active image with uniform noise.
020 *
021 * @author WB
022 */
023public class Make_Uniform_Noise implements PlugInFilter, JavaDocHelp {
024        
025        @Override
026        public int setup(String arg0, ImagePlus im) {
027                return DOES_8G;
028        }
029        
030        @Override
031        public void run(ImageProcessor ip) {
032                Random rg = new Random();
033                int w = ip.getWidth();
034                int h = ip.getHeight();
035                for (int v = 0; v < h; v++) {
036                        for (int u = 0; u < w; u++) {
037                                ip.putPixel(u, v, rg.nextInt(256));
038                        }
039                }
040        }
041
042
043}
044