Source Code : Translucent Panel

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Translucent Panel

      
//package mw.client.utils.gui;

import java.awt.AlphaComposite;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.image.BufferedImage;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTable;
import javax.swing.SwingUtilities;

public class TranslucentPanel extends JPanel {

  BufferedImage image = null;

  @Override
  public void paint(Graphics g) {
    Graphics2D g2;
    
    if (image == null || image.getWidth() != getWidth() || image.getHeight() != getHeight()) {
      image = (BufferedImage) createImage(getWidth(), getHeight());
      
      g2 = image.createGraphics();
      g2.setClip(g.getClip());
      super.paint(g2);
      g2.setColor(Color.black);
      g2.fillRect(0, 0, getWidth(), getHeight());
      g2.dispose();
    }

    g2 = (Graphics2D) g.create();
    g2.setComposite(AlphaComposite.SrcOver.derive(0.5f));
    g2.drawImage(image, 0, 0, null);
  }

  public static void main(String... args) {

    SwingUtilities.invokeLater(new Runnable() {
      public void run() {
        JFrame f = new JFrame("Translucent Panel");

        f.setContentPane(new TranslucentPanel());
        f.getContentPane().setLayout(new BorderLayout());

        Object[] names = new Object[] { "Title", "Artist", "Album" };
        String[][] data = new String[][] { { "Los Angeles", "Sugarcult", "Lights Out" }, { "Do It Alone", "Sugarcult", "Lights Out" },
            { "Made a Mistake", "Sugarcult", "Lights Out" }, { "Kiss You Better", "Maximo Park", "A Certain Trigger" },
            { "All Over the Shop", "Maximo Park", "A Certain Trigger" }, { "Going Missing", "Maximo Park", "A Certain Trigger" } };
        JTable table = new JTable(data, names);
        f.add(table);

        JPanel p = new JPanel();
        p.add(new JButton("Play"));
        p.add(new JButton("Pause"));
        p.add(new JButton("Stop"));
        f.add(p, BorderLayout.SOUTH);

        f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        f.setSize(400, 300);
        f.setLocationRelativeTo(null);
        f.setVisible(true);
      }
    });
  }
  
  private static final long serialVersionUID = 1L;
}

   
    
    
    
    
    
  

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