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 
  26 package org.jemmy.image.awt;
  27 
  28 
  29 import org.jemmy.image.ImageComparator;
  30 
  31 import java.awt.image.BufferedImage;
  32 
  33 
  34 /**
  35  * Common part of most ImageComparators.
  36  *
  37  * @author KAM
  38  * @deprecated Use classes from org.jemmy.image.pixel package instead.
  39  */
  40 @Deprecated
  41 public abstract class AbstractImageComparator implements ImageComparator {
  42 
  43     /**
  44      * Checks whether images have difference.
  45      * @param image1 First image to compare.
  46      * @param image2 Second image to compare.
  47      * @return true if images have no difference, false otherwise.
  48      */
  49     public abstract boolean noDifference(BufferedImage image1, BufferedImage image2);
  50 
  51     /**
  52      * {@inheritDoc}
  53      */
  54     public BufferedImage compare(BufferedImage image1, BufferedImage image2) {
  55         if (noDifference(image1, image2)) {
  56             return null;
  57         } else {
  58             return ImageTool.subtractImage(image1, image2);
  59         }
  60     }
  61 }