[펌] 자바로 바탕화면 캡쳐하기

출처: http://jakarta.tistory.com/category/Java%20Works

 

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package src;

 

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.awt.image.*;
import java.io.*;
import com.sun.image.codec.jpeg.*;

 

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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