1 /* 2 * ============================================================================ 3 * GNU Lesser General Public License 4 * ============================================================================ 5 * 6 * JasperReports - Free Java report-generating library. 7 * Copyright (C) 2001-2006 JasperSoft Corporation http://www.jaspersoft.com 8 * 9 * This library is free software; you can redistribute it and/or 10 * modify it under the terms of the GNU Lesser General Public 11 * License as published by the Free Software Foundation; either 12 * version 2.1 of the License, or (at your option) any later version. 13 * 14 * This library is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 17 * Lesser General Public 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. 22 * 23 * JasperSoft Corporation 24 * 303 Second Street, Suite 450 North 25 * San Francisco, CA 94107 26 * http://www.jaspersoft.com 27 */ 28 29 /* 30 * Contributors: 31 * Michael McMahon - Michael.McMahon@activewire.net 32 */ 33 34 package net.sf.jasperreports.engine; 35 36 import org.jfree.chart.JFreeChart; 37 38 /** 39 * This interface allows users to provide pluggable chart customizers. A class that implements this interface can 40 * be defined and its name must be specified in the report template. At fill time, the corresponding <i>customize()</i> 41 * method of this class will be called, if advanced chart customization is needed. 42 * <p/> 43 * If values of report parameters, variables or fields are needed in the customization, the customizer implementation 44 * should extend {@link net.sf.jasperreports.engine.JRAbstractChartCustomizer JRAbstractChartCustomizer} 45 * to gain access to such values. 46 * 47 * @author Michael McMahon (Michael.McMahon@activewire.net) 48 * @version $Id: JRChartCustomizer.java 1229 2006-04-19 13:27:35 +0300 (Wed, 19 Apr 2006) teodord $ 49 */ 50 public interface JRChartCustomizer { 51 52 /** 53 * This method is called at fill time, before the chart is rendered. 54 * @param chart the JFreeChart object, which can be accessed and modified 55 * @param jasperChart the JasperReports version of the chart, containing data that might be needed in 56 * customization 57 */ 58 public void customize(JFreeChart chart, JRChart jasperChart); 59 60 } 61 62