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 Ch09_Automatic_Thresholding;
010
011import ij.ImagePlus;
012import ij.gui.GenericDialog;
013import ij.plugin.filter.PlugInFilter;
014import ij.process.ImageProcessor;
015import imagingbook.common.ij.IjUtils;
016import imagingbook.core.jdoc.JavaDocHelp;
017import imagingbook.sampleimages.GeneralSampleImage;
018
019import static imagingbook.common.ij.DialogUtils.askForSampleImage;
020import static imagingbook.common.ij.IjUtils.noCurrentImage;
021
022/**
023 * <p>
024 * ImageJ demo plugin making available a selection of adaptive thresholders. See
025 * Sec. 9.2 of [1] for additional details. This plugin works on 8-bit grayscale
026 * images only. The original image is modified to a binary image.
027 * </p>
028 * <p>
029 * [1] W. Burger, M.J. Burge, <em>Digital Image Processing &ndash; An Algorithmic
030 * Introduction</em>, 3rd ed, Springer (2022).
031 * </p>
032 * 
033 * @author WB
034 * @version 2022/04/01
035 * 
036 * @see Adaptive_Bernsen
037 * @see Adaptive_Niblack
038 * @see Adaptive_Sauvola
039 */
040public class Adaptive_All implements PlugInFilter, JavaDocHelp {
041        
042        enum Algorithm {
043                Bernsen(Adaptive_Bernsen.class),
044                Niblack(Adaptive_Niblack.class),
045                Sauvola(Adaptive_Sauvola.class);
046                
047                final Class<? extends PlugInFilter> pluginClass;
048                
049                Algorithm(Class<? extends PlugInFilter> cls) {  //constructor
050                        this.pluginClass = cls;
051                }
052        }
053        
054        private static Algorithm algo = Algorithm.Bernsen;
055        private ImagePlus im = null;
056        
057        /**
058         * Constructor, asks to open a predefined sample image if no other image
059         * is currently open.
060         */
061        public Adaptive_All() {
062                if (noCurrentImage()) {
063                        askForSampleImage(GeneralSampleImage.Kepler);
064                }
065        }
066        
067        @Override
068        public int setup(String arg, ImagePlus im) {
069                this.im = im;
070                return DOES_8G;
071        }
072
073        @Override
074        public void run(ImageProcessor ip) {
075                GenericDialog gd = new GenericDialog(this.getClass().getSimpleName());
076                gd.addHelp(getJavaDocUrl());
077                gd.addEnumChoice("Algorithm", algo);
078                
079                gd.showDialog();
080                if (gd.wasCanceled())
081                        return;
082                
083                im.unlock();
084                
085                algo = gd.getNextEnumChoice(Algorithm.class);
086                IjUtils.runPlugInFilter(algo.pluginClass);
087                
088//              IJ.runPlugIn(imp, algo.pluginClass.getCanonicalName(), null);
089        }
090
091}