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 * ChartTheme.java
029 * ---------------
030 * (C) Copyright 2008, by Object Refinery Limited.
031 *
032 * Original Author: David Gilbert (for Object Refinery Limited);
033 * Contributor(s): -;
034 *
035 * Changes
036 * -------
037 * 14-Aug-2008 : Version 1 (DG);
038 *
039 */
040
041 package org.jfree.chart;
042
043 import org.jfree.chart.JFreeChart;
044
045 /**
046 * A {@link ChartTheme} a class that can apply a style or 'theme' to a chart.
047 * It can be implemented in an arbitrary manner, with the styling applied to
048 * the chart via the <code>apply(JFreeChart)</code> method. We provide one
049 * implementation ({@link StandardChartTheme}) that just mimics the manual
050 * process of calling methods to set various chart parameters.
051 *
052 * @since 1.0.11
053 */
054 public interface ChartTheme {
055
056 /**
057 * Applies this theme to the supplied chart.
058 *
059 * @param chart the chart (<code>null</code> not permitted).
060 */
061 public void apply(JFreeChart chart);
062
063 }