Add image backgrounds to jframe and jtextarea

I. Move the background position with scrolling: </p> <p> import java. awt. graphics; </p> <p> import javax. swing. imageIcon; <br/> import javax. swing. JFrame; <br/> import javax. swing. JScrollPane; <br/> import javax. swing. JTextArea; </p> <p>/** <br/> * display an image background in JTextArea (the background moves with the scrolling position) <br/> * @ author Doumi <reposted Please retain the author and source> <br/> * @ blog http://blog.csdn.net/mq612 <br/> */<br/> public class Test extends JFrame {</p> <p> private static final long serialVersionUID = 4785452373598819719L; </p> <p> private JScrollPane sp = null; </p> <p> private JTextArea text = null; </p> <p> private ImageIcon imageIcon = null; </p> <p> public Test () {<br/> super ("JTextArea"); </p> <p> imageIcon = new ImageIcon ("photo.jpg "); <br/> text = new JTextArea () {<br/> private static final long serialVersionUID =-8220994963464909915L; </p> <p >{< br/> setOpaque (false); // set transparency <br/>}</p> <p> protected void paintComponent (Graphics g) {<br/> g. drawImage (imageIcon. getImage (), 0, 0, this); <br/> super. paintComponent (g); <br/>}< br/>}; <br/> sp = new JScrollPane (text); </p> <p> this. getContentPane (). add (sp); </p> <p> this. setdefaclocloseoperation (JFrame. EXIT_ON_CLOSE); <br/> this. setSize (360,260); <br/> this. setVisible (true); <br/>}</p> <p> public static void main (String args []) {<br/> new Test (); <br/>}</p> <p>Mport java. awt. event. *; <br/> import javax. swing. *; <br/> import java. awt. *; </p> <p> public class BackgroundImage extends JFrame <br/> {<br/> JScrollPane scrollPane; <br/> ImageIcon; <br/> Image image; </p> <p> public BackgroundImage () <br/> {<br/> icon = new ImageIcon ("bgpanel.jpg "); </p> <p> JPanel = new JPanel () <br/> {<br/> protected void paintComponent (Graphics g) <br/>{< br/> // Dispaly image at full size </p> <p> g. drawImage (icon. getImage (), 0, 0, null ); </p> <p> // Scale image to size of component </p> <p> // Dimension d = getSize (); </p> <p> // g. drawImage (icon. getImage (), 0, 0, d. width, d. height, null); </p> <p> // Fix the image position in the scroll pane </p> <p> // Point p = scrollPane. getViewport (). getViewPosition (); </p> <p> // g. drawImage (icon. getImage (), p. x, p. y, null); </p> <p> super. paintComponent (g); <br/>}< br/>}; <br/> panel. setOpaque (false); <br/> panel. setPreferredSize (new Dimension (400,400); <br/> scrollPane = new JScrollPane (panel); <br/> getContentPane (). add (scrollPane); </p> <p> JButton button = new JButton ("Hello"); <br/> panel. add (button); <br/>}</p> <p> public static void main (String [] args) <br/>{< br/> BackgroundImage frame = new BackgroundImage (); <br/> frame. setdefaclocloseoperation (JFrame. EXIT_ON_CLOSE); <br/> frame. setSize (300,300); <br/> frame. setLocationRelativeTo (null); <br/> frame. setVisible (true); <br/>}< br/>}

Images are not moved