ImageIcon.getImage() has the following syntax.
public Image getImage()
In the following code shows how to use ImageIcon.getImage() method.
/* w ww .jav a2 s. c o m*/ import java.awt.Image; import javax.swing.GrayFilter; import javax.swing.Icon; import javax.swing.ImageIcon; import javax.swing.JFrame; import javax.swing.JLabel; public class Main { public static void main(String[] a) { JFrame frame = new JFrame(); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); ImageIcon icon = new ImageIcon("yourFile.gif"); Image normalImage = icon.getImage(); Image grayImage = GrayFilter.createDisabledImage(normalImage); Icon warningIcon = new ImageIcon(grayImage); JLabel warningLabel = new JLabel(warningIcon); JLabel label3 = new JLabel("Warning", icon, JLabel.CENTER); frame.add(warningLabel,"Center"); frame.add(label3,"South"); frame.setSize(300, 200); frame.setVisible(true); } }