/*
* JasperReports - Free Java Reporting Library.
* Copyright (C) 2001 - 2009 Jaspersoft Corporation. All rights reserved.
* http://www.jaspersoft.com
*
* Unless you have purchased a commercial license agreement from Jaspersoft,
* the following license terms apply:
*
* This program is part of JasperReports.
*
* JasperReports is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* JasperReports is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with JasperReports. If not, see <http://www.gnu.org/licenses/>.
*/
import java.awt.Color;
import java.awt.Paint;
import java.awt.image.BufferedImage;
import net.sf.jasperreports.engine.JRDefaultScriptlet;
import net.sf.jasperreports.engine.JRScriptletException;
import org.jCharts.axisChart.AxisChart;
import org.jCharts.chartData.AxisChartDataSet;
import org.jCharts.chartData.ChartDataException;
import org.jCharts.chartData.DataSeries;
import org.jCharts.properties.AreaChartProperties;
import org.jCharts.properties.AxisProperties;
import org.jCharts.properties.ChartProperties;
import org.jCharts.properties.LegendProperties;
import org.jCharts.types.ChartType;
/**
* @author Teodor Danciu (teodord@users.sourceforge.net)
* @version $Id: JChartsScriptlet.java 3031 2009-08-27 11:14:57Z teodord $
*/
public class JChartsScriptlet extends JRDefaultScriptlet
{
/**
*
*/
public void afterReportInit() throws JRScriptletException
{
try
{
AreaChartProperties areaChartProperties = new AreaChartProperties();
double[][] data = {{10, 15, 30, 53}, {6, 30, 10, 21}, {20, 25, 20, 8}};
Paint[] paints = {new Color( 0, 255, 0, 100 ), new Color( 255, 0, 0, 100 ), new Color( 0, 0, 255, 100 )};
String[] legendLabels = {"Games", "Events", "Players" };
AxisChartDataSet axisChartDataSet = new AxisChartDataSet(data, legendLabels, paints, ChartType.AREA, areaChartProperties);
String[] axisLabels = {"January", "March", "May", "June"};
DataSeries dataSeries = new DataSeries(axisLabels, "Months", "People", "Popular Events");
dataSeries.addIAxisPlotDataSet(axisChartDataSet);
ChartProperties chartProperties = new ChartProperties();
AxisProperties axisProperties = new AxisProperties();
axisProperties.setYAxisRoundValuesToNearest(0);
LegendProperties legendProperties = new LegendProperties();
AxisChart axisChart = new AxisChart(dataSeries, chartProperties, axisProperties, legendProperties, 500, 350);
BufferedImage bufferedImage = new BufferedImage(500, 350, BufferedImage.TYPE_INT_RGB);
axisChart.setGraphics2D(bufferedImage.createGraphics());
axisChart.render();
super.setVariableValue("ChartImage", bufferedImage);
}
catch(ChartDataException chartDataException)
{
throw new JRScriptletException(chartDataException);
}
}
}