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.pixel; 26 27 import org.jemmy.Dimension; 28 import org.jemmy.image.Image; 29 import org.jemmy.image.ImageComparator; 30 31 /** 32 * 33 * @author shura 34 */ 35 public abstract class ResizeComparator implements ImageComparator { 36 37 private ImageComparator subComparator; 38 private Mode mode; 39 40 /** 41 * 42 */ 43 public enum Mode { 44 45 /** 46 * 47 */ 48 LEFT, 49 /** 50 * 51 */ 52 RIGTH, 53 /** 54 * 55 */ 56 MAX 57 }; 58 59 /** 60 * 61 * @param subComparator 62 * @param mode 63 */ 64 public ResizeComparator(ImageComparator subComparator, Mode mode) { 65 this.subComparator = subComparator; 66 this.mode = mode; 67 } 68 69 /** 70 * 71 * @param subComparator 72 */ 73 public ResizeComparator(ImageComparator subComparator) { 74 this(subComparator, Mode.MAX); 75 } 76 77 /** 78 * 79 * @return 80 */ 81 public ImageComparator getSubComparator() { 82 return subComparator; 83 } 84 85 /** 86 * 87 * @param subComparator 88 */ 89 public void setSubComparator(ImageComparator subComparator) { 90 this.subComparator = subComparator; 91 } 92 93 /** 94 * 95 * @param image1 96 * @param image2 97 * @return 98 */ 99 public Image compare(Image image1, Image image2) { 100 if(image1 == null || image2 == null) { 101 return (image1 == null) ? image2 : image1; 102 } 103 Dimension size; 104 switch (mode) { 105 case LEFT: 106 size = getSize(image1); 107 break; 108 case RIGTH: 109 size = getSize(image2); 110 break; 111 case MAX: 112 Dimension size1 = getSize(image1); 113 Dimension size2 = getSize(image2); 114 size = new Dimension(Math.max(size1.width, size2.width), 115 Math.max(size1.height, size2.height)); 116 break; 117 default: 118 throw new IllegalStateException("mode is not recognized"); 119 } 120 Image r1 = resize(image1, size); 121 Image r2 = resize(image2, size); 122 if(r1 == null) { 123 return image1; 124 } 125 if(r2 == null) { 126 return image2; 127 } 128 return subComparator.compare(r1, r2); 129 } 130 131 /** 132 * 133 * @param image 134 * @param size 135 * @return 136 */ 137 abstract public Image resize(Image image, Dimension size); 138 139 /** 140 * 141 * @param image 142 * @return 143 */ 144 abstract public Dimension getSize(Image image); 145 146 /** 147 * 148 * @return 149 */ 150 public String getID() { 151 return ResizeComparator.class.getName() + "(" + subComparator.getID() + ")"; 152 } 153 }