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

import javax.swing.JFrame;
import java.awt.BorderLayout;
import org.jfree.chart.ChartPanel;

import java.awt.image.BufferedImage;
import java.io.File;
import javax.imageio.ImageIO;
import java.io.IOException;
import org.jfree.ui.Align;
import org.jfree.ui.RectangleInsets;
import java.awt.Color;

public class Test8_1 extends JFrame{
  public static void main(String[] args) {
    Test8_1 frame = new Test8_1();

    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setBounds(10, 10, 500, 500);
    frame.setTitle("グラフサンプル");
    frame.setVisible(true);
  }

  Test8_1(){
    JFreeChart chart = 
      ChartFactory.createPieChart("昼食", createData(), false, false, false);

    RectangleInsets insets = new RectangleInsets(30d, 30d, 30d, 30d);
    chart.setPadding(insets);

    BufferedImage image = null;
    try {
        image = ImageIO.read(new File("./hana.png"));
    } catch (Exception e) {
        e.printStackTrace();
        image = null;
    }

    chart.setBackgroundPaint(new Color(255, 250, 205));
    chart.setBackgroundImage(image);
    chart.setBackgroundImageAlignment(Align.BOTTOM_LEFT);
    chart.setBackgroundImageAlpha(0.7f);

    ChartPanel cpanel = new ChartPanel(chart);
    getContentPane().add(cpanel, BorderLayout.CENTER);
  }

  private DefaultPieDataset createData(){
    DefaultPieDataset data = new DefaultPieDataset();
    data.setValue("外食", 37);
    data.setValue("弁当", 31);
    data.setValue("食べない", 32);

    return data;
  }
}