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 import java.awt.image.BufferedImage;
  28 import org.jemmy.env.Environment;
  29 import org.jemmy.image.Image;
  30 import org.jemmy.image.pixel.PixelImageComparator;
  31 import org.jemmy.image.pixel.Raster;
  32 import org.jemmy.image.pixel.RasterComparator;
  33 import org.jemmy.image.pixel.WriteableRaster;
  34 
  35 /**
  36  *
  37  * @author shura
  38  */
  39 public class BufferedImageComparator extends PixelImageComparator {
  40 
  41     public BufferedImageComparator(RasterComparator comparator) {
  42         super(comparator);
  43     }
  44 
  45     public BufferedImageComparator(Environment env) {
  46         super(env);
  47     }
  48 
  49     @Override
  50     protected Image toImage(Raster image) {
  51         if(image instanceof AWTImage) {
  52             return (AWTImage)image;
  53         } else {
  54             throw new IllegalArgumentException("Unrecognized image type" + image.getClass().getName());
  55         }
  56     }
  57 
  58     @Override
  59     protected Raster toRaster(Image image) {
  60         if(image instanceof AWTImage) {
  61             return (AWTImage)image;
  62         } else {
  63             throw new IllegalArgumentException("Unrecognized image type" + image.getClass().getName());
  64         }
  65     }
  66 
  67     @Override
  68     protected WriteableRaster createDiffRaster(Raster r1, Raster r2) {
  69         AWTImage img2 = (AWTImage) r2;
  70         AWTImage img1 = (AWTImage) r1;
  71         return new AWTImage(new BufferedImage(
  72                 Math.max(img1.getSize().width, img2.getSize().width),
  73                 Math.max(img1.getSize().height, img2.getSize().height),
  74                 img1.getTheImage().getType()));
  75     }
  76 }