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 }