I am using the API JFreeChart but cant get it working no matter what I try I am trying:
DefaultPieDataset pieDataset = new DefaultPieDataset();
pieDataset.setValue("JavaWorld", new Integer(75));
pieDataset.setValue("Other", new Integer(25));
JFreeChart chart = ChartFactory.createPieChart
("Sample Pie Chart", // Title
pieDataset // Dataset
);
BufferedImage image = chart.createBufferedImage(500,300);
JLabel lblChart = new JLabel();
lblChart.setIcon(new ImageIcon(image));
MyPanel.add(lblChart);
It's not clear what you're trying to do.
Here's a working sample that uses most your code and a ChartPanel.
import java.awt.EventQueue;
import javax.swing.JFrame;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.data.general.DefaultPieDataset;
public class PieFrame extends JFrame {
public static void main(String... args) {
EventQueue.invokeLater(new Runnable() {
public void run() {
new PieFrame().setVisible(true);
}
});
}
public PieFrame() {
DefaultPieDataset pieDataset = new DefaultPieDataset();
pieDataset.setValue("JavaWorld", new Integer(75));
pieDataset.setValue("Other", new Integer(25));
JFreeChart chart = ChartFactory.createPieChart("Sample Pie",pieDataset);
ChartPanel cPanel = new ChartPanel(chart);
getContentPane().add(cPanel);
setSize(200,200);
}
}
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