| career | drupal | java | mac | mysql | perl | scala | uml | unix  

jfreechart example source code file (

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

Java - jfreechart tags/keywords

awt, diallayer, diallayer, dialplot, dialplot, geometry, io, rectangle2d, rectangle2d, util

The jfreechart source code

/* ===========================================================
 * JFreeChart : a free chart library for the Java(tm) platform
 * ===========================================================
 * (C) Copyright 2000-2008, by Object Refinery Limited and Contributors.
 * Project Info:
 * 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.]
 * --------------
 * --------------
 * (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.Graphics2D;
import java.awt.geom.Rectangle2D;
import java.util.EventListener;

 * A dial layer draws itself within a reference frame.  The view frame is a
 * subset of the reference frame, and defines the area that is actually
 * visible.
 * <br>
* Classes that implement this interface should be {@link Serializable}, * otherwise chart serialization may fail. * * @since 1.0.7 */ public interface DialLayer { /** * Returns a flag that indicates whether or not the layer is visible. * * @return A boolean. */ public boolean isVisible(); /** * Registers a listener with this layer, so that it receives notification * of changes to this layer. * * @param listener the listener. */ public void addChangeListener(DialLayerChangeListener listener); /** * Deregisters a listener, so that it no longer receives notification of * changes to this layer. * * @param listener the listener. */ public void removeChangeListener(DialLayerChangeListener listener); /** * Returns <code>true if the specified listener is currently * registered with the this layer. * * @param listener the listener. * * @return A boolean. */ public boolean hasListener(EventListener listener); /** * Returns <code>true if the drawing should be clipped to the * dial window (which is defined by the {@link DialFrame}), and * <code>false otherwise. * * @return A boolean. */ public boolean isClippedToWindow(); /** * Draws the content of this layer. * * @param g2 the graphics target (<code>null not permitted). * @param plot the plot (typically this should not be <code>null, * but for a layer that doesn't need to reference the plot, it may * be permitted). * @param frame the reference frame for the dial's geometry * (<code>null not permitted). This is typically larger than * the visible area of the dial (see the next parameter). * @param view the visible area for the dial (<code>null not * permitted). */ public void draw(Graphics2D g2, DialPlot plot, Rectangle2D frame, Rectangle2D view); }

Other jfreechart examples (source code examples)

Here is a short list of links related to this jfreechart source code file:

... this post is sponsored by my books ...

#1 New Release!

FP Best Seller


new blog posts


Copyright 1998-2021 Alvin Alexander,
All Rights Reserved.

A percentage of advertising revenue from
pages under the /java/jwarehouse URI on this website is
paid back to open source projects.