Applet tiff viewer

Question

hi,
Can any body give some sample code or idea how can display tiff image or tiff file in a web browser.
Thanks in advanced.

Answer 1

i have a code here displaying single tiff file in directory
can i put it in an iframe of a html/jsp file?(correct me if im wrong)
how does it done?
import java.applet.Applet;
import java.awt.BorderLayout;
import java.awt.Component;
import java.awt.Container;
import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.image.renderable.ParameterBlock;
import java.io.File;
import java.io.FilenameFilter;
import java.net.URL;
import javax.media.jai.InterpolationNearest;
import javax.media.jai.JAI;
import javax.media.jai.PlanarImage;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JSlider;
import javax.swing.JTextField;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import com.sun.media.jai.widget.DisplayJAI;
* @author Sherwin_Macatangay
public class TIFFViewer extends JFrame {
     private static final long serialVersionUID = 1L;
     String currentFile;
     private String DIRECTORY;
     private int currentPage;
     private int pageCount;
     private File F_DIRECTORY;
     private File tiff;
     private Container cPane;
     private JScrollPane display;
     private JPanel topBar;
     private JLabel unReadable;
     public JLabel pageCounter1;
     public JTextField pageCounter2;
     private JLabel pageCounter3;
     private JSlider slider;
     private DisplayJAI Dpanel;
     // private RenderedImage tiffFile;
     private PlanarImage tiffImage; // the original TIFF image
     // constructor
     public TIFFViewer() {
          // TODO Auto-generated constructor stub
     @SuppressWarnings("deprecation")
     public TIFFViewer(String directory) {
          // TODO Auto-generated constructor stub
          DIRECTORY = directory;
          F_DIRECTORY = new File(DIRECTORY);
          if (F_DIRECTORY.isDirectory()) {
               getPageCount();// get the count of file(s) in a directory
               for (File file : F_DIRECTORY.listFiles()) {
                    if (file.getName().toLowerCase().endsWith(".tif")) {
                         tiff = file;
                         //tiff = fileTIFF;
                         javax.swing.JOptionPane.showMessageDialog(null, "Tiff: "
                                   + tiff);
                         break;
                    }else{
                         newImage(tiff);     
               //newImage(tiff);
               PlanarImage image = JAI.create("fileLoad", tiff.getAbsolutePath());
               if (image == null) {
                    System.out.println("image " + image);
                    Scale(image);
               } else {
                    Scale(image);
               currentPage = 1;
               pageCounter2 = new JTextField(currentPage);
               pageCounter3 = new JLabel("of " + pageCount);
          initViewer();
          return;
     }// end TIFFViewer()
     * @param args
     public static void main(String[] args) {
          // TODO Auto-generated method stub
          TIFFViewer TW = new TIFFViewer();
          TW.begin("./web content/images/layout/");
     }// end main()
     public void begin(String args) {
          // We need one argument: the TIFF directory.
          if (args.length() == 0) {
               System.err.println("Usage: java operators.TIFFViewer image");
               javax.swing.JOptionPane.showMessageDialog(null,
                         "Usage: java operators. TIFFViewer image");
               System.exit(0);
          new TIFFViewer(args);
     }// end begin()
     public void initViewer() {
          cPane = getContentPane();
          cPane.setLayout(new BorderLayout());
          topBar = new JPanel();
          topBar.setLayout(new FlowLayout(FlowLayout.LEADING, 0, 0));
          // setup page display and changer
          Component[] itemsToAdd = initChangerPanel();
          for (int i = 0; i < itemsToAdd.length; i++) {
               topBar.add(itemsToAdd);
          cPane.add(topBar, BorderLayout.NORTH);
          display = new JScrollPane();
          if (tiffImage == null) {
               unReadable = new JLabel(
                         "The file is unreadable or there's no file!");
               display = new JScrollPane(unReadable);
          } else {
               Dpanel = new DisplayJAI(tiffImage);
               display = new JScrollPane(Dpanel);
          cPane.add(display, BorderLayout.CENTER);
          // pack();
          // setSize(800,700);
          setTitle(tiff.getName());
          setSize(getToolkit().getScreenSize().width, 700);
          setLocationRelativeTo(null);// center on screen
          setVisible(true);
          setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
     }// end initViewer()
     public void getPageCount() {
          FilenameFilter filter = new FilenameFilter() {
               public boolean accept(File dir, String name) {
                    return name.toLowerCase().endsWith(".tif");
          String[] children = F_DIRECTORY.list(filter);
          pageCount = children.length;
     }// end getTIFFPageCount()
     private Component[] initChangerPanel() {
          Component[] list = new Component[10];
          // Create the start button and set icon
          /** start page */
          JButton start = new JButton();
          start.setBorderPainted(false);
          URL startImage = getClass()
                    .getResource("/winmac/gui/generic/start.gif");
          start.setIcon(new ImageIcon(startImage));
          start.setText("Start");
          start.setToolTipText("Back to start page");
          list[0] = start;
          start.addActionListener(new ActionListener() {
               public void actionPerformed(ActionEvent e) {
                    if (currentPage != 1) {
                         currentPage = 1;
                         FilenameFilter filter = new FilenameFilter() {
                              public boolean accept(File dir, String name) {
                                   return name.toLowerCase().endsWith(".tif");
                         int i = currentPage;
                         File filename;
                         File[] startTiff = F_DIRECTORY.listFiles(filter);
                         if (i == i) {
                              // Get filename of file
                              filename = startTiff[i - 1];
                              tiff = filename;
                              newImage(tiff);
                         // set page number display
                         pageCounter2.setText(String.valueOf(currentPage));
          /** back 1 page */
          JButton back = new JButton();
          back.setBorderPainted(false);
          URL backImage = getClass().getResource("/winmac/gui/generic/back.gif");
          back.setIcon(new ImageIcon(backImage));
          back.setText("Back");
          back.setToolTipText("Back page");
          list[1] = back;
          back.addActionListener(new ActionListener() {
               public void actionPerformed(ActionEvent e) {
                    if (currentPage > 1) {
                         // currentPage -= 1;
                         currentPage--;
                         FilenameFilter filter = new FilenameFilter() {
                              public boolean accept(File dir, String name) {
                                   return name.toLowerCase().endsWith(".tif");
                         int i = currentPage;
                         File filename;
                         File[] backTiff = F_DIRECTORY.listFiles(filter);
                         if (i == i) {
                              // Get filename of file
                              filename = backTiff[i - 1];
                              tiff = filename;
                              newImage(tiff);
                         // set page number display
                         pageCounter2.setText(String.valueOf(currentPage));
          // Create the pageCounter1, pageCounter2 and set its labels
          pageCounter1 = new JLabel("Page");
          list[2] = pageCounter1;
          list[3] = new JPanel();
          // Create the pageCounter2 and set its labels
          pageCounter2 = new JTextField(5);
          pageCounter2.setEditable(true);
          pageCounter2.setText(String.valueOf(currentPage));
          list[4] = pageCounter2;          
          /**pageCounter2.addKeyListener(new KeyAdapter(){
               public void keyReleased(KeyEvent me){
                    FilenameFilter filter = new FilenameFilter() {
                         public boolean accept(File dir, String name) {
                              return name.toLowerCase().endsWith(".tif");
                    int i = Integer.parseInt(pageCounter2.getText());
                    System.out.println(i);
                    File filename;                    
                    File[] getTiff = F_DIRECTORY.listFiles(filter);
                    if (i==i){
                         filename = getTiff[i-1];
                         tiff = filename;
                         newImage(tiff);
          list[5] = new JPanel();
          list[6] = pageCounter3;
          /** next one page */
          JButton next = new JButton();
          next.setBorderPainted(false);
          URL nextImage = getClass().getResource("/winmac/gui/generic/next.gif");
          next.setIcon(new ImageIcon(nextImage));
          next.setText("Next");
          next.setToolTipText("Next page");
          list[7] = next;
          next.addActionListener(new ActionListener() {
               public void actionPerformed(ActionEvent e) {
                    if (currentPage < pageCount) {
                         // currentPage += 1;
                         FilenameFilter filter = new FilenameFilter() {
                              public boolean accept(File dir, String name) {
                                   return name.toLowerCase().endsWith(".tif");
                         int i = currentPage;
                         File filename;
                         File[] nextTiff = F_DIRECTORY.listFiles(filter);
                         if (i == currentPage) {
                              // Get filename of file
                              filename = nextTiff[i];
                              tiff = filename;
                              newImage(tiff);
                         currentPage++;
                         // set page number display
                         pageCounter2.setText(String.valueOf(currentPage));
          /** end page */
          JButton end = new JButton();
          end.setBorderPainted(false);
          URL endImage = getClass().getResource("/winmac/gui/generic/end.gif");
          end.setIcon(new ImageIcon(endImage));
          end.setText("End");
          end.setToolTipText("End page");
          list[8] = end;
          end.addActionListener(new ActionListener() {
               public void actionPerformed(ActionEvent e) {
                    if (currentPage < pageCount) {
                         currentPage = pageCount - 1;
                         FilenameFilter filter = new FilenameFilter() {
                              public boolean accept(File dir, String name) {
                                   return name.toLowerCase().endsWith(".tif");
                         int i = currentPage;
                         File filename;
                         File[] endTiff = F_DIRECTORY.listFiles(filter);
                         if (i == currentPage) {
                              currentPage = pageCount;
                              // Get filename of file
                              filename = endTiff[i];
                              tiff = filename;
                              newImage(tiff);
                         // set page number display
                         pageCounter2.setText(String.valueOf(currentPage));
          /** slider */
          slider = new JSlider(600, 12000, 12000);
          slider.setToolTipText("Scale image");
          list[9] = slider;
          slider.addChangeListener(new ChangeListener() {
               public void stateChanged(ChangeEvent e) {
                    // If interactivity is off and we're still adjusting, return.
                    // Gets the scale (converting it to a percentage)
                    float scale = slider.getValue() / 12000f;
                    // Scales the original image
                    ParameterBlock pb = new ParameterBlock();
                    pb.addSource(tiffImage);                    
                    pb.add(scale);
                    pb.add(scale);
                    pb.add(0.0F);
                    pb.add(0.0F);
                    pb.add(new InterpolationNearest());
                    // Creates a new, scaled image and uses it on the DisplayJAI
                    // component
                    PlanarImage scaledImage = JAI.create("scale", pb);
                    Dpanel.set(scaledImage);
          return list;
     }// end initChangerPanel()
     public void Scale(PlanarImage image) {
          try {
               tiffImage = image;
          } catch (Exception e) {
               System.err.print("Scale " + e.getMessage());
     }// end Scale()
     public void newImage(File tiff) {
          // javax.swing.JOptionPane.showMessageDialog(null, "TIFF FILE:" + tiff);
          setTitle(tiff.getName());
          PlanarImage image = JAI.create("fileLoad", tiff.getAbsolutePath());
          Dpanel.set(image);
          Scale(image);
     }// end newImage()
}// end class TIFFViewer