valuemarker.java

jfreechart安装程序和使用说明

/* ===========================================================
 * JFreeChart : a free chart library for the Java(tm) platform
 * ===========================================================
 *
 * (C) Copyright 2000-2004, by Object Refinery Limited and Contributors.
 *
 * Project Info:  http://www.jfree.org/jfreechart/index.html
 *
 * This library is free software; you can redistribute it and/or modify it under the terms
 * of the GNU Lesser General Public License as published by the Free Software Foundation;
 * either version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License along with this
 * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
 * Boston, MA 02111-1307, USA.
 *
 * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 
 * in the United States and other countries.]
 *
 * ----------------
 * ValueMarker.java
 * ----------------
 * (C) Copyright 2004, by Object Refinery Limited.
 *
 * Original Author:  David Gilbert (for Object Refinery Limited);
 * Contributor(s):   -;
 *
 * $Id: ValueMarker.java,v 1.1 2004/08/31 14:39:21 mungady Exp $
 *
 * Changes
 * -------
 * 09-Feb-2004 : Version 1 (DG);
 *
 */

package org.jfree.chart.plot;

import java.awt.Paint;
import java.awt.Stroke;

/**
 * A marker that represents a single fixed value.
 */
public class ValueMarker extends Marker {
    
    /** The constant value. */
    private double value;

    /**
     * Creates a new marker.
     * 
     * @param value  the value.
     */
    public ValueMarker(double value) {
        super();
        this.value = value;
    }
    
    /**
     * Creates a new value marker.
     * 
     * @param value  the value.
     * @param paint  the paint (<code>null</code> not permitted).
     * @param stroke  the stroke (<code>null</code> not permitted).
     * @param outlinePaint  the outline paint (<code>null</code> permitted).
     * @param outlineStroke  the outline stroke (<code>null</code> permitted).
     * @param alpha  the alpha transparency.
     */
    public ValueMarker(double value, Paint paint, Stroke stroke, 
                       Paint outlinePaint, Stroke outlineStroke, float alpha) {
        super(paint, stroke, paint, stroke, alpha);
        this.value = value;
    }
    
    /**
     * Returns the value.
     *
     * @return the value.
     */
    public double getValue() {
        return this.value;
    }

}