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1: /* =========================================================== 2: * JFreeChart : a free chart library for the Java(tm) platform 3: * =========================================================== 4: * 5: * (C) Copyright 2000-2007, by Object Refinery Limited and Contributors. 6: * 7: * Project Info: http://www.jfree.org/jfreechart/index.html 8: * 9: * This library is free software; you can redistribute it and/or modify it 10: * under the terms of the GNU Lesser General Public License as published by 11: * the Free Software Foundation; either version 2.1 of the License, or 12: * (at your option) any later version. 13: * 14: * This library is distributed in the hope that it will be useful, but 15: * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 16: * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 17: * License for more details. 18: * 19: * You should have received a copy of the GNU Lesser General Public 20: * License along with this library; if not, write to the Free Software 21: * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 22: * USA. 23: * 24: * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 25: * in the United States and other countries.] 26: * 27: * -------------------- 28: * DrawingSupplier.java 29: * -------------------- 30: * (C) Copyright 2003-2007, by Object Refinery Limited. 31: * 32: * Original Author: David Gilbert (for Object Refinery Limited); 33: * Contributor(s): -; 34: * 35: * Changes 36: * ------- 37: * 16-Jan-2003 : Version 1 (DG); 38: * 17-Jan-2003 : Renamed PaintSupplier --> DrawingSupplier (DG); 39: * ------------- JFREECHART 1.0.x --------------------------------------------- 40: * 13-Jun-2007 : Added getNextOutlinePaint() method. 41: * 42: */ 43: 44: package org.jfree.chart.plot; 45: 46: import java.awt.Paint; 47: import java.awt.Shape; 48: import java.awt.Stroke; 49: 50: /** 51: * A supplier of <code>Paint</code>, <code>Stroke</code> and <code>Shape</code> 52: * objects for use by plots and renderers. By providing a central place for 53: * obtaining these items, we can ensure that duplication is avoided. 54: * <p> 55: * To support the cloning of charts, classes that implement this interface 56: * should also implement <code>PublicCloneable</code>. 57: */ 58: public interface DrawingSupplier { 59: 60: /** 61: * Returns the next paint in a sequence maintained by the supplier. 62: * 63: * @return The paint. 64: */ 65: public Paint getNextPaint(); 66: 67: /** 68: * Returns the next outline paint in a sequence maintained by the supplier. 69: * 70: * @return The paint. 71: */ 72: public Paint getNextOutlinePaint(); 73: 74: /** 75: * Returns the next fill paint in a sequence maintained by the supplier. 76: * 77: * @return The paint. 78: * 79: * @since 1.0.6 80: */ 81: public Paint getNextFillPaint(); 82: 83: /** 84: * Returns the next <code>Stroke</code> object in a sequence maintained by 85: * the supplier. 86: * 87: * @return The stroke. 88: */ 89: public Stroke getNextStroke(); 90: 91: /** 92: * Returns the next <code>Stroke</code> object in a sequence maintained by 93: * the supplier. 94: * 95: * @return The stroke. 96: */ 97: public Stroke getNextOutlineStroke(); 98: 99: /** 100: * Returns the next <code>Shape</code> object in a sequence maintained by 101: * the supplier. 102: * 103: * @return The shape. 104: */ 105: public Shape getNextShape(); 106: 107: }