import org.jfree.chart.JFreeChart;
import org.jfree.chart.ChartFactory;
import org.jfree.data.general.DefaultPieDataset;

import org.jfree.chart.ChartUtilities;
import java.io.File;
import java.io.IOException;
import java.awt.Color;
import java.awt.BasicStroke;

public class Test3_1{
  public static void main(String[] args) {
    DefaultPieDataset data = new DefaultPieDataset();
    data.setValue("外食", 37);
    data.setValue("弁当", 31);
    data.setValue("食べない", 32);

    JFreeChart chart = 
      ChartFactory.createPieChart("昼食", data, false, false, false);

    chart.setBorderVisible(true);
    chart.setBorderPaint(Color.red);

    float dash[] = {10.0f, 3.0f};
    BasicStroke dsahStroke = new BasicStroke(5.0f,
                                             BasicStroke.CAP_BUTT,
                                             BasicStroke.JOIN_MITER,
                                             3.0f,
                                             dash,
                                             0.0f);
    chart.setBorderStroke(dsahStroke);

    File file = new File("./test3_1.png");
    try {
      ChartUtilities.saveChartAsPNG(file, chart, 400, 400);
    } catch (IOException e) {
      e.printStackTrace();
    }
  }
}