TIFF File Viewer
I am going to make a TIFF image viewer and I make that but I am facing some following problem -
1. Its viewed big image how I resize every page of the Tiff image file.
2. When I am going to make it in applet its not show the image, but in JFrame its show.
I am attaching both java source file - 1. MultiPageRead.java - its run ok its a window application
2. TIFFViewer.java - its applet application.
plz help me in the matter of above problem.
1. MultiPageRead.java
==========================
import java.io.File;
import java.io.IOException;
import java.awt.Dimension;
import java.awt.Component;
import java.awt.Frame;
import java.awt.Color;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import java.awt.GridLayout;
import java.awt.image.ColorModel;
import java.awt.image.RenderedImage;
import java.awt.image.BufferedImage;
import javax.media.jai.widget.ScrollingImagePanel;
import javax.media.jai.NullOpImage;
import javax.media.jai.OpImage;
import javax.media.jai.ImageLayout;
import com.sun.media.jai.codec.SeekableStream;
import com.sun.media.jai.codec.FileSeekableStream;
import com.sun.media.jai.codec.TIFFDecodeParam;
import com.sun.media.jai.codec.ImageDecoder;
import com.sun.media.jai.codec.ImageCodec;
import com.sun.media.jai.widget.DisplayJAI;
import com.sun.media.jai.codec.TIFFEncodeParam;
public class MultiPageRead extends Frame {
ScrollingImagePanel panel;
JScrollPane JSPanel;
JPanel JP;
DisplayJAI[] Dpanel;
public MultiPageRead(String filename) throws IOException {
setTitle("Multi page TIFF Reader");
File file = new File(filename);
//SeekableStream s = new FileSeekableStream(file);
//TIFFDecodeParam param = null;
TIFFDecodeParam param = new TIFFDecodeParam();
param.setDecodePaletteAsShorts(true);
param.setJPEGDecompressYCbCrToRGB(true);
ImageDecoder dec = ImageCodec.createImageDecoder("tiff", file, param);
System.out.println("Number of images in this TIFF: " +
dec.getNumPages());
JP = new JPanel(new GridLayout( dec.getNumPages(),1,20,20));
Dpanel = new DisplayJAI[dec.getNumPages()];
// Which of the multiple images in the TIFF file do we want to load
// 0 refers to the first, 1 to the second and so on.
int imageToLoad = 0;
ImageLayout imglout = new ImageLayout(0,0,50,50);
for(int i=0; i< dec.getNumPages(); i++){
RenderedImage op =
new NullOpImage(dec.decodeAsRenderedImage(i),
null,
OpImage.OP_IO_BOUND,
imglout);
Dpanel = new DisplayJAI(op);
JP.add(Dpanel);
}
// Display the original in a 800x800 scrolling window
// panel = new ScrollingImagePanel(Dpanel, 800, 800);
JSPanel = new JScrollPane(JP);
JSPanel.setPreferredSize(new Dimension(1000,700));
add(JSPanel);
}
public static void main(String [] args) {
String filename = "C:/jai_demos/jai/images/Power.tif"; //args[0];
try {
MultiPageRead window = new MultiPageRead(filename);
window.pack();
window.show();
} catch (java.io.IOException ioe) {
System.out.println(ioe);
}
}
}
2. TIFFViewer.java
====================
//import javax.swing.JApplet;
import java.applet.Applet;
import java.io.*;
import java.io.IOException;
import java.awt.Dimension;
import java.awt.Component;
import java.awt.Frame;
import java.awt.Color;
import java.awt.Panel;
import java.awt.ScrollPane;
import java.awt.GridLayout;
import java.awt.image.RenderedImage;
import javax.media.jai.widget.ScrollingImagePanel;
import javax.media.jai.NullOpImage;
import javax.media.jai.OpImage;
import com.sun.media.jai.codec.SeekableStream;
import com.sun.media.jai.codec.FileSeekableStream;
import com.sun.media.jai.codec.TIFFDecodeParam;
import com.sun.media.jai.codec.ImageDecoder;
import com.sun.media.jai.codec.ImageCodec;
import com.sun.media.jai.widget.DisplayJAI;
public class TIFFViewer extends Applet{
ScrollPane JSPanel;
Panel JP;
DisplayJAI[] Dpanel;
public void init() {
try{
File file = new File(getParameter("filename"));
SeekableStream s = new FileSeekableStream(file);
TIFFDecodeParam param = null;
ImageDecoder dec = ImageCodec.createImageDecoder("tiff", s, param);
System.out.println("Number of images in this TIFF: " +
dec.getNumPages());
JP = new Panel(new GridLayout( dec.getNumPages(),1,20,20));
Dpanel = new DisplayJAI[dec.getNumPages()];
// Which of the multiple images in the TIFF file do we want to load
// 0 refers to the first, 1 to the second and so on.
int imageToLoad = 0;
for(int i=0; i< dec.getNumPages(); i++){
RenderedImage op =
new NullOpImage(dec.decodeAsRenderedImage(i),
null,
OpImage.OP_IO_BOUND,
null);
Dpanel = new DisplayJAI(op);
JP.add(Dpanel);
}
// Display the original in a 800x800 scrolling window
// panel = new ScrollingImagePanel(Dpanel, 800, 800);
JSPanel = new ScrollPane();
JSPanel.add(JP);
JSPanel.setPreferredSize(new Dimension(1000,700));
add(JSPanel);
}
catch (java.io.IOException ioe) {
System.out.println(ioe);
}
catch(Exception ex){
ex.printStackTrace();
}
}
}
