1 /* 2 * Copyright (c) 2007, 2017, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 package org.jemmy.image.awt; 26 27 28 import org.jemmy.image.pixel.MaxDistanceComparator; 29 30 31 /** 32 * Compares two images naturally 33 * (i.e. ignoring slight difference between pixel colors). 34 * 35 * @author KAM 36 */ 37 public class NaturalImageComparator extends BufferedImageComparator { 38 39 /** 40 * Creates comparator with the default sensitivity value = 0.02 41 * (around 5 in 0-255 color component value). 42 * @see #NaturalImageComparator(double) 43 */ 44 public NaturalImageComparator() { 45 this(0.02); 46 } 47 48 /** 49 * Creates comparator with the specified sensitivity value 50 * @param sensitivity Maximum threshold for 3-D distance between colors 51 * in 3-D sRGB color space for pixels to be considered equal. 52 * Meaningful values are between 0 and approx 1.733. 0 means colors should 53 * be equal to pass the comparison, 1.733 (which is more than square root 54 * of 3) means that comparison will be passed even if the colors are 55 * completely different. 56 */ 57 public NaturalImageComparator(double sensitivity) { 58 super(new MaxDistanceComparator(sensitivity)); 59 } 60 public void setSensitivity(double sensitivity) { 61 ((MaxDistanceComparator)getRasterComparator()).setThreshold(sensitivity); 62 } 63 public double getSensitivity() { 64 return ((MaxDistanceComparator)getRasterComparator()).getThreshold(); 65 } 66 }