www.pudn.com > jfreechart-0.9.12.zip > XYAnnotation.java

/* ====================================== 
 * JFreeChart : a free Java chart library 
 * ====================================== 
 * 
 * Project Info:  http://www.jfree.org/jfreechart/index.html 
 * Project Lead:  David Gilbert (david.gilbert@object-refinery.com); 
 * 
 * (C) Copyright 2000-2003, by Object Refinery Limited and Contributors. 
 * 
 * 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. 
 * 
 * ----------------- 
 * XYAnnotation.java 
 * ----------------- 
 * (C) Copyright 2002, 2003 by Object Refinery Limited. 
 * 
 * Original Author:  David Gilbert (for Object Refinery Limited); 
 * Contributor(s):   -; 
 * 
 * $Id: XYAnnotation.java,v 1.5 2003/07/02 11:32:38 mungady Exp $ 
 * 
 * Changes: 
 * -------- 
 * 28-Aug-2002 : Version 1 (DG); 
 * 07-Nov-2002 : Fixed errors reported by Checkstyle (DG); 
 * 13-Jan-2003 : Reviewed Javadocs (DG); 
 * 09-May-2003 : Added plot to draw(...) method (DG); 
 * 02-Jul-2003 : Eliminated the Annotation base interface (DG); 
 */ 
 
package org.jfree.chart.annotations; 
 
import java.awt.Graphics2D; 
import java.awt.geom.Rectangle2D; 
 
import org.jfree.chart.axis.ValueAxis; 
import org.jfree.chart.plot.XYPlot; 
 
/** 
 * The interface that must be supported by annotations that are to be added to an {@link XYPlot}. 
 * 
 * @author David Gilbert 
 */ 
public interface XYAnnotation { 
 
    /** 
     * Draws the annotation. 
     * 
     * @param g2  the graphics device. 
     * @param plot  the plot. 
     * @param dataArea  the data area. 
     * @param domainAxis  the domain axis. 
     * @param rangeAxis  the range axis. 
     */ 
    public void draw(Graphics2D g2, XYPlot plot, Rectangle2D dataArea, 
                     ValueAxis domainAxis, ValueAxis rangeAxis); 
 
}