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 ImageAccessorDemos;
010
011import ij.ImagePlus;
012import ij.plugin.filter.PlugInFilter;
013import ij.process.ImageProcessor;
014import imagingbook.common.image.access.ImageAccessor;
015import imagingbook.common.image.access.ScalarAccessor;
016import imagingbook.core.jdoc.JavaDocHelp;
017
018/**
019 * This plugin demonstrates the of class {@link ScalarAccessor} for unified access to scalar-valued images. The plugin
020 * adds 20 brightness units to each pixel of the active image. It can be applied to any scalar image type.
021 *
022 * @author WB
023 * @see ImageAccessor
024 * @see ScalarAccessor
025 */
026public class ImageAccessor_Demo_Scalar implements PlugInFilter, JavaDocHelp {
027
028        public int setup(String arg, ImagePlus img) {
029                return DOES_8G + DOES_16 + DOES_32;
030        }
031
032        public void run(ImageProcessor ip) {
033                final int width = ip.getWidth();
034                final int height = ip.getHeight();
035                
036                ScalarAccessor ia = ScalarAccessor.create(ip, null, null);
037                
038                for (int u = 0; u < width; u++) {
039                        for (int v = 0; v < height; v++) {
040                                float val = ia.getVal(u, v);            // get a single value (float)
041                                ia.setVal(u, v, val  + 20);
042                        }
043                }
044        }
045
046}