Resizing Components in a JLayeredPane

Question

Hello,
I'm brand new to Java (formerly a VB man). I'm creating an application where icons are displayed on a background image and can be dragged around the window. The background image and the icons need to resize with the window.
I've managed to get the back ground image to resize but can't work out how to get the icon images to resize as well. I also need to keep their relative positions as well.
I have three classes which extend JFrame, JLayeredPane and JPanel to construct the display. I have attached them below.
If anyone can help or at least point me in the right direction I would be very grateful indeed.
Best regards
Simon
package imagelayers;
import java.awt.*;
import java.awt.color.*;
import java.awt.event.*;
import javax.swing.*;
public class SecondFrame extends JFrame
private JLayeredPane m_layeredPane;
private MovingImage m_movImage1, m_movImage2, m_movImage3;
private BackgroundImage m_background;
public SecondFrame() {
super("Moving Images");
setLocation(10,10);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
// Load the background image in a JPanel
ImageIcon kcIcon = new ImageIcon("images/kclogo.gif");
m_background = new BackgroundImage(kcIcon);
setSize(kcIcon.getIconWidth(), kcIcon.getIconHeight());
m_movImage1 = new MovingImage("images/dukewavered.gif", 0);
m_movImage2 = new MovingImage("images/dukewavegreen.gif", 1);
m_movImage3 = new MovingImage("images/dukewaveblue.gif", 2);
m_background.add(m_movImage1 , JLayeredPane.DRAG_LAYER);
m_background.add(m_movImage2 , JLayeredPane.DRAG_LAYER);
m_background.add(m_movImage3 , JLayeredPane.DRAG_LAYER);
m_movImage2.topLayer = 2;
Container contentPane = getContentPane();
contentPane.add(m_background);
setVisible(true);
public static void main(String[] arguments)
JFrame frameTwo = new SecondFrame();
package imagelayers;
import java.awt.*;
import javax.swing.*;
public class BackgroundImage extends JLayeredPane
private Image m_backgroundImage;
public BackgroundImage(ImageIcon bg)
m_backgroundImage = bg.getImage();
setBorder(BorderFactory.createTitledBorder(""));
public void paintComponent(Graphics g)
g.drawImage(m_backgroundImage,0,0,getWidth(),getHeight(),this);
package imagelayers;
import javax.swing.ImageIcon;
import javax.swing.JLabel;
import javax.swing.JLayeredPane;
import java.awt.*;
import java.awt.event.*;
public class MovingImage extends JLabel implements MouseListener, MouseMotionListener
private Image m_theImage;
private ImageIcon m_theImageIcon;
private int nStartX, nStartY;
static int topLayer;
public MovingImage(String imgLocation, int layerNum)
addMouseListener(this);
addMouseMotionListener(this);
m_theImageIcon = new ImageIcon(imgLocation);
m_theImage = m_theImageIcon.getImage();
setBounds(0, 0, m_theImageIcon.getIconWidth(), m_theImageIcon.getIconHeight());
public void paintComponent(Graphics g)
g.drawImage(m_theImage,0,0,getWidth(),getHeight(),this);
public void mousePressed(MouseEvent e)
JLayeredPane imagesPane = (JLayeredPane)getParent();
imagesPane.setLayer(this,topLayer,0);
nStartX = e.getX();
nStartY = e.getY();
public void mouseMoved(MouseEvent e){}
public void mouseClicked(MouseEvent e){}
public void mouseExited(MouseEvent e){}
public void mouseEntered(MouseEvent e){}
public void mouseReleased(MouseEvent e){}
public void mouseDragged(MouseEvent e)
setLocation(getX() + e.getX() - nStartX, getY() + e.getY() - nStartY);
}

Answer 1

Try useing the JFrames show() method or setVisible(true) method after you have added all the other components.
If that doesnt work use the JFrames validate() method, inherited from Container, after one of the previous methods.
Hope this helps