chartpanel.java

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/* ============================================================
 * JRobin : Pure java implementation of RRDTool's functionality
 * ============================================================
 *
 * Project Info:  http://www.jrobin.org
 * Project Lead:  Sasa Markovic ([e-mail])
 * 
 * Developers:    Sasa Markovic ([e-mail])
 *                Arne Vandamme ([e-mail])
 *
 * (C) Copyright 2003, by Sasa Markovic.
 *
 * 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.
 */
package net.jumperz.ext.org.jrobin.graph;

import java.awt.*;
import java.awt.image.BufferedImage;
import javax.swing.JPanel;

/**
 * <p>JPanel containing a generated JRobin graph.</p>
 * 
 * @author Arne Vandamme ([e-mail])
 */
public class ChartPanel extends JPanel
{
	private BufferedImage chart;
	
	public void setChart( BufferedImage chart ) {
		this.chart = chart;
	}

	/**
	 * Overrides inhereted <code>paintComponent()</code> method from the base class.
	 * @param g Graphics object
	 */
	public void paintComponent( Graphics g )
	{
		if ( chart != null ) g.drawImage( chart, 0, 0, null );
	}
}