circlepanel.java

java小程序

class CirclePanel extends JPanel
{
private ImageIcon imageIcon;
public CirclePanel()
{
imageIcon=new ImageIcon("circle.gif");
}
public void paintComponent(Graphics g)
{
imageIcon.paintIcon(this,g,0,0);
}
public Dimension getImageWidthHeight()
{
return new Dimension(imageIcon.getIconWidth(),imageIcon.getIconHeight());
}
}