import org.jfree.chart.JFreeChart;
import org.jfree.chart.ChartFactory;
import org.jfree.data.category.DefaultCategoryDataset;
import org.jfree.chart.plot.PlotOrientation;

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

import org.jfree.chart.plot.Plot;
import java.awt.TexturePaint;
import java.awt.image.BufferedImage;
import java.io.File;
import javax.imageio.ImageIO;
import java.io.IOException;
import java.awt.geom.Rectangle2D;

public class Test7_1 extends JFrame{
  public static void main(String[] args) {
    Test7_1 frame = new Test7_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);
  }

  Test7_1(){
    JFreeChart chart = 
      ChartFactory.createBarChart("月別売上",
                                  "月",
                                  "売上",
                                  createData(),
                                  PlotOrientation.VERTICAL,
                                  true,
                                  false,
                                  false);

    Plot plot = chart.getPlot();

    BufferedImage img = 
      new BufferedImage(100, 100, BufferedImage.TYPE_INT_RGB);

    File f = new File("./ball.png");
    try {
      img = ImageIO.read(f);
    }catch (IOException ex){
      ex.printStackTrace();
    }

    Rectangle2D.Double rec = 
      new Rectangle2D.Double(0, 0, img.getWidth(), img.getHeight());

    plot.setBackgroundPaint(new TexturePaint(img, rec));

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

  private DefaultCategoryDataset createData(){
    DefaultCategoryDataset data = new DefaultCategoryDataset();
    String[] series = {"本社", "大阪支社", "名古屋支社"};
    String[] category = {"4月", "5月", "6月"};

    data.addValue(800, series[0], category[0]);
    data.addValue(600, series[0], category[1]);
    data.addValue(900, series[0], category[2]);
    data.addValue(500, series[1], category[0]);
    data.addValue(300, series[1], category[1]);
    data.addValue(200, series[1], category[2]);
    data.addValue(300, series[2], category[0]);
    data.addValue(900, series[2], category[1]);
    data.addValue(600, series[2], category[2]);

    return data;
  }
}