/*
 * Copyright (c) 2007, 2017 Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */
package org.jemmy.image.pixel;

/**
 *
 * @author shura
 */
abstract class ThresholdComparator implements RasterComparator {

    private double min;
    private double threshold;
    private double max;

    public ThresholdComparator(double min, double max) {
        this.min = min;
        this.max = max;
    }

    /**
     *
     * @param threshold
     */
    public final void setThreshold(double threshold) {
        if (threshold < min || threshold > max) {
            throw new IllegalArgumentException("Treshold expected to be withing ("
                    + min + ", " + max + "1). Got: " + threshold);
        }
        this.threshold = threshold;
    }

    public double getThreshold() {
        return threshold;
    }
}