package sy;

import java.awt.Color;

import java.awt.Graphics;

import java.awt.image.BufferedImage;

import java.io.File;

import java.io.IOException;

import javax.imageio.ImageIO;

import javax.swing.BorderFactory;

import javax.swing.JPanel;

public class PanelTest extends JPanel {

public BufferedImage image;

   @Override

protected void paintComponent(Graphics g) {

// TODO Auto-generated method stub

super.paintComponent(g);

BufferedImage subImage=this.image.getSubimage(30, 30, 100, 100);

g.drawImage(subImage,100,100,100,100,null);

int color_point=subImage.getRGB(24, 4);

        Color color=new Color(color_point);

        System.out.println(color_point);

        System.out.print(color.getGreen());

}

   public PanelTest()

   {

   try {

this.image=ImageIO.read(new File("D:/black.jpg"));

} catch (IOException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

   this.setSize(300, 200);

   this.setLocation(100, 100);

   this.setBorder(BorderFactory.createTitledBorder("title"));

  // repaint();

   }

}

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