001 /* ===========================================================
002 * JFreeChart : a free chart library for the Java(tm) platform
003 * ===========================================================
004 *
005 * (C) Copyright 2000-2008, by Object Refinery Limited and Contributors.
006 *
007 * Project Info: http://www.jfree.org/jfreechart/index.html
008 *
009 * This library is free software; you can redistribute it and/or modify it
010 * under the terms of the GNU Lesser General Public License as published by
011 * the Free Software Foundation; either version 2.1 of the License, or
012 * (at your option) any later version.
013 *
014 * This library is distributed in the hope that it will be useful, but
015 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
016 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
017 * License for more details.
018 *
019 * You should have received a copy of the GNU Lesser General Public
020 * License along with this library; if not, write to the Free Software
021 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
022 * USA.
023 *
024 * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
025 * in the United States and other countries.]
026 *
027 * -----------------------
028 * CategoryAnnotation.java
029 * -----------------------
030 * (C) Copyright 2003-2008, by Object Refinery Limited.
031 *
032 * Original Author: David Gilbert (for Object Refinery Limited);
033 * Contributor(s): -;
034 *
035 * Changes:
036 * --------
037 * 02-Apr-2003 : Version 1 (DG);
038 * 02-Jul-2003 : Eliminated Annotation base interface (DG);
039 *
040 */
041
042 package org.jfree.chart.annotations;
043
044 import java.awt.Graphics2D;
045 import java.awt.geom.Rectangle2D;
046
047 import org.jfree.chart.axis.CategoryAxis;
048 import org.jfree.chart.axis.ValueAxis;
049 import org.jfree.chart.plot.CategoryPlot;
050
051 /**
052 * The interface that must be supported by annotations that are to be added to
053 * a {@link org.jfree.chart.plot.CategoryPlot}.
054 */
055 public interface CategoryAnnotation {
056
057 /**
058 * Draws the annotation.
059 *
060 * @param g2 the graphics device.
061 * @param plot the plot.
062 * @param dataArea the data area.
063 * @param domainAxis the domain axis.
064 * @param rangeAxis the range axis.
065 */
066 public void draw(Graphics2D g2, CategoryPlot plot, Rectangle2D dataArea,
067 CategoryAxis domainAxis, ValueAxis rangeAxis);
068
069 }