001: /* ===========================================================
002: * JFreeChart : a free chart library for the Java(tm) platform
003: * ===========================================================
004: *
005: * (C) Copyright 2000-2007, 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 2003-2007, by Object Refinery Limited.
031: *
032: * Original Author: David Gilbert (for Object Refinery Limited);
033: * Contributor(s): -;
034: *
035: * $Id: DrawingSupplier.java,v 1.3.2.3 2007/06/13 11:14:27 mungady Exp $
036: *
037: * Changes
038: * -------
039: * 16-Jan-2003 : Version 1 (DG);
040: * 17-Jan-2003 : Renamed PaintSupplier --> DrawingSupplier (DG);
041: * ------------- JFREECHART 1.0.x ---------------------------------------------
042: * 13-Jun-2007 : Added getNextOutlinePaint() method.
043: *
044: */
045:
046: package org.jfree.chart.plot;
047:
048: import java.awt.Paint;
049: import java.awt.Shape;
050: import java.awt.Stroke;
051:
052: /**
053: * A supplier of <code>Paint</code>, <code>Stroke</code> and <code>Shape</code>
054: * objects for use by plots and renderers. By providing a central place for
055: * obtaining these items, we can ensure that duplication is avoided.
056: * <p>
057: * To support the cloning of charts, classes that implement this interface
058: * should also implement <code>PublicCloneable</code>.
059: */
060: public interface DrawingSupplier {
061:
062: /**
063: * Returns the next paint in a sequence maintained by the supplier.
064: *
065: * @return The paint.
066: */
067: public Paint getNextPaint();
068:
069: /**
070: * Returns the next outline paint in a sequence maintained by the supplier.
071: *
072: * @return The paint.
073: */
074: public Paint getNextOutlinePaint();
075:
076: /**
077: * Returns the next fill paint in a sequence maintained by the supplier.
078: *
079: * @return The paint.
080: *
081: * @since 1.0.6
082: */
083: public Paint getNextFillPaint();
084:
085: /**
086: * Returns the next <code>Stroke</code> object in a sequence maintained by
087: * the supplier.
088: *
089: * @return The stroke.
090: */
091: public Stroke getNextStroke();
092:
093: /**
094: * Returns the next <code>Stroke</code> object in a sequence maintained by
095: * the supplier.
096: *
097: * @return The stroke.
098: */
099: public Stroke getNextOutlineStroke();
100:
101: /**
102: * Returns the next <code>Shape</code> object in a sequence maintained by
103: * the supplier.
104: *
105: * @return The shape.
106: */
107: public Shape getNextShape();
108:
109: }
|