001 /* ===========================================================
002 * JFreeChart : a free chart library for the Java(tm) platform
003 * ===========================================================
004 *
005 * (C) Copyright 2000-2005, 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 * DrawingSupplier.java
029 * --------------------
030 * (C) Copyright 2003, 2004, by Object Refinery Limited.
031 *
032 * Original Author: David Gilbert (for Object Refinery Limited);
033 * Contributor(s): -;
034 *
035 * $Id: DrawingSupplier.java,v 1.3.2.1 2005/10/25 20:52:08 mungady Exp $
036 *
037 * Changes
038 * -------
039 * 16-Jan-2003 : Version 1 (DG);
040 * 17-Jan-2003 : Renamed PaintSupplier --> DrawingSupplier (DG);
041 *
042 */
043
044 package org.jfree.chart.plot;
045
046 import java.awt.Paint;
047 import java.awt.Shape;
048 import java.awt.Stroke;
049
050 /**
051 * A supplier of <code>Paint</code> and <code>Stroke</code> objects.
052 * <p>
053 * To support the cloning of charts, classes that implement this interface
054 * should also implement <code>PublicCloneable</code>.
055 */
056 public interface DrawingSupplier {
057
058 /**
059 * Returns the next paint in a sequence maintained by the supplier.
060 *
061 * @return The paint.
062 */
063 public Paint getNextPaint();
064
065 /**
066 * Returns the next outline paint in a sequence maintained by the supplier.
067 *
068 * @return The paint.
069 */
070 public Paint getNextOutlinePaint();
071
072 /**
073 * Returns the next <code>Stroke</code> object in a sequence maintained by
074 * the supplier.
075 *
076 * @return The stroke.
077 */
078 public Stroke getNextStroke();
079
080 /**
081 * Returns the next <code>Stroke</code> object in a sequence maintained by
082 * the supplier.
083 *
084 * @return The stroke.
085 */
086 public Stroke getNextOutlineStroke();
087
088 /**
089 * Returns the next <code>Shape</code> object in a sequence maintained by
090 * the supplier.
091 *
092 * @return The shape.
093 */
094 public Shape getNextShape();
095
096 }