ChartDirector公式の例は、私のコメントを加えて、jfreechartより簡単です.
2200 ワード
package chartdirecttest;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import ChartDirector.*;
//implements DemoModule
public class simplepie
{
//Name of demo program title
public String toString() { return "Simple Pie Chart"; }
//Number of charts produced in this demo
public int getNoOfCharts() { return 1; }
//Main code for creating charts
public void createChart(ChartViewer viewer, int index)
{
// The data for the pie chart
double[] data = {25, 18, 15, 12, 8, 30, 35};
// The labels for the pie chart
String[] labels = {"Labor", "Licenses", "Taxes", "Legal", "Insurance",
"Facilities", "Production"};
// Create a PieChart object of size 360 x 300 pixels
PieChart c = new PieChart(360, 300);
// Set the center of the pie at (180, 140) and the radius to 100 pixels ( ),
c.setPieSize(180, 140, 100);
// Set the pie data and the pie labels
c.setData(data, labels);
// Output the chart
viewer.setImage(c.makeImage());
//include tool tip for the chart ( )
viewer.setImageMap(c.getHTMLImageMap("clickable", "",
"title='{label}: US${value}K ({percent}%)'"));
}
//Allow this module to run as standalone program for easy testing main
public static void main(String[] args)
{
//Instantiate an instance of this demo module
simplepie demo = new simplepie();// DemoModule
//Create and set up the main window
JFrame frame = new JFrame(demo.toString());
frame.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {System.exit(0);} });
frame.getContentPane().setBackground(Color.white);
// Create the chart and put them in the content pane
ChartViewer viewer = new ChartViewer();
demo.createChart(viewer, 0);
frame.getContentPane().add(viewer);
// Display the window
frame.pack();
frame.setVisible(true);
}
}