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.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 package org.jemmy.image;
  24 
  25 import java.awt.image.BufferedImage;
  26 import org.jemmy.env.Environment;
  27 import org.jemmy.image.pixel.PixelImageComparator;
  28 import org.jemmy.image.pixel.Raster;
  29 import org.jemmy.image.pixel.RasterComparator;
  30 import org.jemmy.image.pixel.WriteableRaster;
  31 
  32 /**
  33  *
  34  * @author shura
  35  */
  36 public class BufferedImageComparator extends PixelImageComparator {
  37 
  38     public BufferedImageComparator(RasterComparator comparator) {
  39         super(comparator);
  40     }
  41 
  42     public BufferedImageComparator(Environment env) {
  43         super(env);
  44     }
  45 
  46     @Override
  47     protected Image toImage(Raster image) {
  48         if(image instanceof AWTImage) {
  49             return (AWTImage)image;
  50         } else {
  51             throw new IllegalArgumentException("Unrecognized image type" + image.getClass().getName());
  52         }
  53     }
  54 
  55     @Override
  56     protected Raster toRaster(Image image) {
  57         if(image instanceof AWTImage) {
  58             return (AWTImage)image;
  59         } else {
  60             throw new IllegalArgumentException("Unrecognized image type" + image.getClass().getName());
  61         }
  62     }
  63 
  64     @Override
  65     protected WriteableRaster createDiffRaster(Raster r1, Raster r2) {
  66         AWTImage img2 = (AWTImage) r2;
  67         AWTImage img1 = (AWTImage) r1;
  68         return new AWTImage(new BufferedImage(
  69                 Math.max(img1.getSize().width, img2.getSize().width),
  70                 Math.max(img1.getSize().height, img2.getSize().height),
  71                 img1.getTheImage().getType()));
  72     }
  73 }