Code_J

public class Main extends JPanel implements Runnable, ActionListener{
 
 JButton btn_capture;
 Image img = null;
 
 public Main()
 {
  this.btn_capture = new JButton("영상캡쳐");
  this.btn_capture.addActionListener(this);
  this.setLayout(new BorderLayout());
  this.add(this.btn_capture, BorderLayout.SOUTH);
 }
 
 public void actionPerformed(ActionEvent e)
 {
  String cmd = e.getActionCommand();
  if(cmd.equals("영상캡쳐"))
  {
   System.out.println("영상을 캡쳐합니다..");
   this.capture();
  }
 }
 
 private void drawImage(Image img, int x, int y)
 {
  Graphics g = this.getGraphics();
  g.drawImage(img,0,0,x,y,this);
  this.paint(g);
  this.repaint();
 }
 
 public void paint(Graphics g)
 {
  if(this.img != null)
   g.drawImage(this.img, 0, 0, this.img.getWidth(this), this.img.getHeight(this), this);
 }
 
 public void capture()
 {
  Robot robot;
  BufferedImage bufImage = null;
  try
  {
   robot = new Robot();
   Rectangle area = new Rectangle(Toolkit.getDefaultToolkit().getScreenSize());
   
   bufImage = robot.createScreenCapture(area);
   
   //Graphics2D g2d = bufImage.createGraphics();
   int w = this.getWidth();
   int h = this.getHeight();
   
   this.img = bufImage.getScaledInstance(w, h-20, Image.SCALE_DEFAULT);
   //this.repaint();
   this.drawImage(img, w, h);
   //saveJPEGfile("c:\\cap.jpg", bufImage);
  }
  catch(Exception e)
  {
   e.printStackTrace();
  }
 }
 
 public static boolean saveJPEGfile(String filename, BufferedImage bi)
 {
  FileOutputStream out = null;
  try
    {
     out = new FileOutputStream ( filename );
     JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder ( out );
     JPEGEncodeParam param = encoder.getDefaultJPEGEncodeParam ( bi );
     param.setQuality ( 1.0f, false );
     encoder.setJPEGEncodeParam ( param );
 
     encoder.encode ( bi );
     out.close();
    }
    catch ( Exception ex )
    {
     System.out.println ("Error saving JPEG : " + ex.getMessage() );
     return false;
    }
  return true;
 }
 
 
 public void run()
 {
  while(true)
  {
   this.setBackground(Color.RED);
   try
   {
    Thread.sleep(1000);
   }catch(Exception e){}
   this.setBackground(Color.GREEN);
   
   try
   {
    Thread.sleep(1000);
   }catch(Exception e){}
  }
 
 }
 
 public static void createFrame()
 {
  JFrame frame = new JFrame("Jv");
  JFrame.setDefaultLookAndFeelDecorated(true);
  Container cont = frame.getContentPane();
  cont.setLayout(new BorderLayout());
  Main mm = new Main();
  //new Thread(mm).start();
  cont.add(mm, BorderLayout.CENTER);
 
  frame.setSize(400, 400);
  frame.setVisible(true);
 }
 
 public static void main(String...v)
 {
  //new Main();
  JFrame.setDefaultLookAndFeelDecorated(true);
  createFrame();
 }
}
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