Displaying image in JPanel and scroll it through JScrollpanel

Question

Can any one will help me,
I need to draw a image in a JPanel and, this JPanel is attached with a Jscrollpanel.
I need to scroll the this JPanel to view the image.

Answer 1

Here is my code for that
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class PicPanel extends javax.swing.JPanel implements WindowListener{
/** Creates new form PicPanel */
public PicPanel() {
initComponents();
// this.setOpaque(true);
JFrame myFrame = new JFrame("Panel Tiler");
myFrame.addWindowListener( this );
myFrame.setSize(new Dimension(1000,300));
setPreferredSize(new Dimension(1000,300));
Container cp = myFrame.getContentPane();
cp.add( this, BorderLayout.CENTER );
tk = Toolkit.getDefaultToolkit();
im =tk.getImage("smple.jpg");
     jPanel1.im=im;
// jPanel1.setSize(new Dimension(1000,300));
myFrame.pack();
myFrame.show();
jPanel1.repaint();
/** This method is called from within the constructor to
* initialize the form.
* WARNING: Do NOT modify this code. The content of this method is
* always regenerated by the Form Editor.
private void initComponents() {
java.awt.GridBagConstraints gridBagConstraints;
     jPanel1=new JPanelC();
jScrollPane1 = new javax.swing.JScrollPane(jPanel1);
setLayout(new java.awt.GridBagLayout());
jScrollPane1.setHorizontalScrollBarPolicy(javax.swing.JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS);
jScrollPane1.setVerticalScrollBarPolicy(javax.swing.JScrollPane.VERTICAL_SCROLLBAR_ALWAYS);
jScrollPane1.setOpaque(false);
     gridBagConstraints = new java.awt.GridBagConstraints();
gridBagConstraints.gridx = 0;
gridBagConstraints.gridy = 0;
gridBagConstraints.gridwidth = 2;
gridBagConstraints.gridheight = 3;
gridBagConstraints.fill = java.awt.GridBagConstraints.BOTH;
gridBagConstraints.ipadx = 378;
gridBagConstraints.ipady = 298;
gridBagConstraints.weightx = 1.0;
gridBagConstraints.weighty = 1.0;
gridBagConstraints.insets = new java.awt.Insets(3, 3, 3, 3);
add(jScrollPane1, gridBagConstraints);
gridBagConstraints = new java.awt.GridBagConstraints();
gridBagConstraints.gridx = 0;
gridBagConstraints.gridy = 1;
gridBagConstraints.ipadx = 372;
gridBagConstraints.ipady = 280;
gridBagConstraints.insets = new java.awt.Insets(3, 3, 3, 3);
add(jPanel1, gridBagConstraints);
public static void main(String[] args)
new PicPanel();
public void windowOpened(WindowEvent e) {}
public void windowClosing(WindowEvent e)
// myFrame.dispose();
System.exit(0);
public void windowClosed(WindowEvent e) {}
public void windowIconified(WindowEvent e) {}
public void windowDeiconified(WindowEvent e) {}
public void windowActivated(WindowEvent e) {}
public void windowDeactivated(WindowEvent e) {}
private JPanelC jPanel1;
private javax.swing.JScrollPane jScrollPane1;
private Icon iiBackground;
private Toolkit tk;
private Image im;
class JPanelC extends javax.swing.JPanel{
public Image im;
public void paintComponent(Graphics g){
          //super.paintComponent(g);
if(im!=null)
               imageobserver io = new imageobserver();
     System.out.println(im.getHeight(io));
     if(im.getHeight(io)!=-1)
setSize(im.getWidth(io), im.getHeight(io));
g.drawImage(im,0,0,null);
     // setOpaque(false);
super.paintComponent(g);
class imageobserver implements java.awt.image.ImageObserver{
public boolean imageUpdate(Image img, int infoflags, int x, int y,int width, int height) {
          if ((infoflags & java.awt.image.ImageObserver.ALLBITS) != 0) {
repaint();
return false;
//repaint();
return true;
Here i need to scroll the image in the panel but it is not working out.