jfreechart example source code file (DialFrame.java)

This example jfreechart source code file (DialFrame.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - jfreechart tags/keywords

awt, dialframe, dialframe, diallayer, diallayer, geometry, io, shape, shape

The jfreechart DialFrame.java source code

/* ===========================================================
 * JFreeChart : a free chart library for the Java(tm) platform
 * ===========================================================
 *
 * (C) Copyright 2000-2008, 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
 * USA.
 *
 * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
 * in the United States and other countries.]
 *
 * --------------
 * DialFrame.java
 * --------------
 * (C) Copyright 2006-2008, by Object Refinery Limited.
 *
 * Original Author:  David Gilbert (for Object Refinery Limited);
 * Contributor(s):   -;
 *
 * Changes
 * -------
 * 03-Nov-2006 : Version 1 (DG);
 *
 */

package org.jfree.chart.plot.dial;

import java.awt.Shape;
import java.awt.geom.Rectangle2D;
import java.io.Serializable;

/**
 * A dial frame is the face plate for a dial plot - it is always drawn last.
 * JFreeChart includes a couple of implementations of this interface
 * ({@link StandardDialFrame} and {@link ArcDialFrame}).
 * <br>

 * Classes that implement this interface should be {@link Serializable},
 * otherwise chart serialization may fail.
 *
 * @since 1.0.7
 */
public interface DialFrame extends DialLayer {

    /**
     * Returns the shape of the viewing window for the dial, or
     * <code>null if the dial is completely open.  Other layers in the
     * plot will rely on their drawing to be clipped within this window.
     *
     * @param frame  the reference frame for the dial.
     *
     * @return The window.
     */
    public Shape getWindow(Rectangle2D frame);

}