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 /**
  28  *
  29  * @author shura
  30  */
  31 abstract class ThresholdComparator implements RasterComparator {
  32 
  33     private double min;
  34     private double threshold;
  35     private double max;
  36 
  37     public ThresholdComparator(double min, double max) {
  38         this.min = min;
  39         this.max = max;
  40     }
  41 
  42 
  43     public final void setThreshold(double threshold) {
  44         if (threshold < min || threshold > max) {
  45             throw new IllegalArgumentException("Treshold expected to be withing ("
  46                     + min + ", " + max + "1). Got: " + threshold);
  47         }
  48         this.threshold = threshold;
  49     }
  50 
  51     public double getThreshold() {
  52         return threshold;
  53     }
  54 }