JFrame frame = new JFrame("Transparent Window");
frame.setUndecorated(true);
TransparentBackground bg = new TransparentBackground(frame);
bg.setLayout(new BorderLayout());
JPanel panel = new JPanel() {
public void paintComponent(Graphics g) {
g.setColor(Color.blue);
Image img = new ImageIcon("mp3.png").getImage();
g.drawImage(img,0,0,null);
}
};
panel.setOpaque(false);
bg.add("Center",panel);
frame.getContentPane().add("Center",bg);
frame.pack();
frame.setSize(200,200);
frame.setLocation(500,500);
frame.show();
