Reading TIFF, Writing JPEG with Advanced Imaging

I am working on a servlet that will read a TIFF image file from a SOCKET connection, and write it to a JPEG file for viewing by the user. I've been able to read the TIFF file into a byte array, but I'm not sure how to write it back out as a JPEG. The code snippet below is being used to read the TIFF from the SOCKET:
for (int i=0; i < imageCount; i++)
imageSocket = new Socket("imageServer", 4178);
toImage = new PrintWriter(imageSocket.getOutputStream(), true);
fromImage = new BufferedReader(new InputStreamReader(imageSocket.getInputStream()));
toImage.println(imageNames);
int fileSize = Integer.parseInt(fromImage.readLine());
if (fileSize > 0)
byte[] image = new byte[fileSize];
for (int j=0; j < fileSize; j++)
image[j] = (byte) fromImage.read();
else
System.out.println("file size is zero"); /* display msg for now */
I'd prefer to do this using the Advanced Imaging API,s but can't find a decent example to look at. Can anyone help me find a better way of doing this?
Thanks!

You will get some help from following guide.
http://java.sun.com/products/java-media/jai/forDevelopers/jai1_0_1guide-unc/index.html

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I understand you are getting the "2215-EIT failure. VA boot record read failure. ensure drive with VA image is installed correctly" error. I would be happy to assist you, but first I would encourage you to post your product number for your computer. I am linking an HP Support document below that will show you how to find your product number. As with this we can provide you with accurate information.
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Writing JPEG with ImageIO

Hi,
I wanted to do this little tool that:
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2. scaled it down to arbitrary size
3. wrote the image to the same format it was originally
I got the pieces together, used ImageIO to read the image, then java.awt.image.AffineTransformOp to scale it down and finally ImageIO again to write it back (I get the ImageWriter with ImageIO.getImageWriter(ImageReader)).
The problem I got was that AffineTransformOp on Linux (it uses native code) does not want to output anything else then ARGB images. If I read a YCbCr JPEG (the most common JPEG format) and do the AffineTransformOp, I get this ARGB image, which ImageIO will happily write back as an JPEG, but as CMYK JPEG file (which is really rare and not understood by most browsers)... which is not fine because the original was YCbCr.
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// create a new BufferedImage with the no-alpha ColorModel and the raster
// with no-alpha SampleModel
BufferedImage rgbimg = new BufferedImage(rgbcm,r, scaled.isAlphaPremultiplied(), null);
My second question is, if I have to do this, is there any simpler way?

I just did a project similar to this actually, so you're in luck! My project was doing image compression rather than resizing, but the IO is the same. I used PixelGrabber to get the pixels, then created my new image in a BufferedImage just like you did (so you can keep all your reading and image creation the same since you seemed to use a BufferedImage also).
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OutputStream os;
// create and fill your buffered image and instantiate your output stream (I used a FileOutputStream for obvious reasons).
JPEGImageEncoder jie = JPEGCodec.createJPEGEncoder(os);
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I have uploaded one of the bad JPG files here:
www.mrcodeboy.com/smith/Try.jpg
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*EDIT*
I downloaded the bad JPEG above onto a different machine; it still does not import into iPhoto. However, by invoking sips on that file to convert it back to a TIFF file thusly:
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Message was edited by: casdvm

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Sometimes, ImageIo manages to read an image wrong. If I simply read() and write() the
image without any transformations, the image writtten will have its colors all wrong. The
output image format here doesn't matter.
An example image is: http://bram.name/~brama/pics/test.jpg
And output after reading and writing it: http://bram.name/~brama/pics/test_output.jpg
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Message was edited by:
Bram_A

Use this code to load the image.
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How to read and write Png and jpeg with Alpha

Hi
I have trouble reading and writeing PNG and JPEGs that have an alpha channel (for transparency).
Reading works, if i use Toolkit.getImage() method, but works NOT if i use ImageIO.read() method.
Writing does NOT work using ImageIO.write()method. Instead i got a "java.lang.UnsupportedOperationException: Unsupported write variant!"
See Test class and commandline output below:
/****************START*****************************/
package de.multivisual.bodo.test;
import java.awt.*;
import java.awt.image.*;
import java.io.File;
import java.net.URL;
import java.util.Iterator;
import javax.imageio.*;
import javax.imageio.metadata.IIOMetadata;
import javax.imageio.stream.ImageInputStream;
import javax.imageio.stream.ImageOutputStream;
public class AlphaChannelTest implements ImageObserver {
Toolkit toolkit;
Image img;
public AlphaChannelTest() {
    super();
    toolkit = Toolkit.getDefaultToolkit();
    URL url =
      AlphaChannelTest.class.getResource(
        "/de/multivisual/bodo/test/" + "alphatest.png");
    img = toolkit.getImage(url);
    try {
      ImageInputStream imageInput =
        ImageIO.createImageInputStream(url.openStream());
      Iterator it = ImageIO.getImageReaders(imageInput);
      ImageReader reader = null;
      while (it.hasNext()) {
        reader = (ImageReader) it.next();
        System.out.println(reader.toString());
      reader.setInput(imageInput);
      ImageReadParam param = reader.getDefaultReadParam();
      BufferedImage bimg = reader.read(0, param);
      SampleModel samMod = bimg.getSampleModel();
      ColorModel colMod =       bimg.getColorModel();
      String[] propNames = bimg.getPropertyNames();
      IIOMetadata meta = reader.getImageMetadata(0);
      System.err.println("\n*****test image that was read using new Jdk 1.4 ImageIO.read() method");
      alphaTest(bimg);
    } catch (Exception e) {
      //e.printStackTrace();
    if (img != null)
      toolkit.prepareImage(img, -1, -1, this);
    try {
      synchronized (this) {
        System.out.println("wait");
        this.wait();
    } catch (Exception e) {
      e.printStackTrace();
    System.out.println("end");
public void alphaTest(BufferedImage bi) {
    Raster raster = bi.getData();
    float[] sample = null;
    System.out.println("raster :");
    for (int y = 0; y < raster.getHeight(); y++) {
      for (int x = 0; x < raster.getWidth(); x++) {
        sample = raster.getPixel(x, y, sample);
        System.out.print("(");
        for (int i = 0; i < sample.length; i++) {
          System.out.print(":" + sample);
System.out.print(")");
System.out.println();
Raster araster = bi.getAlphaRaster();
if (araster == null){
     System.err.println("there is no Alpha channel!!!!!!!!!");
     return ;
} else {
     System.out.println("Alpha channel found !");
float[] asample = null;
System.out.println("raster alpha:");
for (int y = 0; y < araster.getHeight(); y++) {
for (int x = 0; x < araster.getWidth(); x++) {
asample = araster.getPixel(x, y, asample);
for (int i = 0; i < asample.length; i++) {
System.out.print(" " + asample[i]);
System.out.println();
String format ="PNG";
System.out.println("##########Test Writing using new JDK1.4.1 ImageIO:");
Iterator writers = ImageIO.getImageWritersByFormatName(format);
ImageWriter writer = (ImageWriter) writers.next();
ImageWriteParam param = writer.getDefaultWriteParam();
ImageTypeSpecifier imTy = param.getDestinationType();
ImageTypeSpecifier imTySp =
ImageTypeSpecifier.createFromRenderedImage(bi);
param.setDestinationType(imTySp);
File f = new File("c:/tmp/myimage."+format);
try {
ImageOutputStream ios = ImageIO.createImageOutputStream(f);
writer.setOutput(ios);
writer.writeInsert(0, new IIOImage(bi, null, null), param);
} catch (Exception e) {
     System.err.println("could not write "+format+" file with alpha channel !");
e.printStackTrace();
public boolean imageUpdate(
Image img,
int infoflags,
int x,
int y,
int width,
int height) {
if ((toolkit.checkImage(img, -1, -1, null)
& (ImageObserver.HEIGHT | ImageObserver.WIDTH | ImageObserver.ALLBITS))
== 35) {
int iw = img.getWidth(this);
int ih = img.getHeight(this);
BufferedImage bi = new BufferedImage(iw, ih, BufferedImage.TYPE_4BYTE_ABGR);
Graphics2D big = bi.createGraphics();
big.drawImage(img, 0, 0, this);
System.err.println("+++++test image that was read using old Toolkti.getImage method");
alphaTest(bi);
synchronized (this) {
this.notifyAll();
return false;
return true; // image is not yet completely loaded into memory
public static void main(String[] args) {
//     BufferedImage image = new
// BufferedImage();
new AlphaChannelTest();
/*************************END********************/
The commandline looks like this:
[i]
com.sun.imageio.plugins.png.PNGImageReader@d1fa5
*****test image that was read using new Jdk 1.4 ImageIO.read() method
raster :
there is no Alpha channel!!!!!!!!!
wait
+++++test image that was read using old Toolkti.getImage method
raster :
Alpha channel found !
raster alpha:
##########Test Writing using new JDK1.4.1 ImageIO:
could not write PNG file with alpha channel !
java.lang.UnsupportedOperationException: Unsupported write variant!
     at javax.imageio.ImageWriter.unsupported(ImageWriter.java:600)
     at javax.imageio.ImageWriter.writeInsert(ImageWriter.java:973)
     at de.multivisual.bodo.test.AlphaChannelTest.alphaTest(AlphaChannelTest.java:113)
     at de.multivisual.bodo.test.AlphaChannelTest.imageUpdate(AlphaChannelTest.java:135)
     at sun.awt.image.ImageWatched.newInfo(ImageWatched.java:55)
     at sun.awt.image.ImageRepresentation.imageComplete(ImageRepresentation.java:636)
     at sun.awt.image.ImageDecoder.imageComplete(ImageDecoder.java:135)
     at sun.awt.image.PNGImageDecoder.produceImage(PNGImageDecoder.java:511)
     at sun.awt.image.InputStreamImageSource.doFetch(InputStreamImageSource.java:257)
     at sun.awt.image.ImageFetcher.fetchloop(ImageFetcher.java:168)
     at sun.awt.image.ImageFetcher.run(ImageFetcher.java:136)
end

in between i found out that the my png and jpeg test images did not have an alpha channel, since the tool i used to create them, did not write the alpha channel to disk.
if i use png with alpha channel, then the read works correktly with ImageIO.read()
however the read problem still remains for gifs and the write does not work for gifs and neither for pngs.
whether jpegs can be read with alphachannel i don't know since i don't have a tool to create jpeg with alpha channel. (at least gimp and corel9 are not able to )
and it is not possible to write the previous read png with alpha channel back as and jpeg with alpha channel

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LN

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Kian

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Reading TIFF, Writing JPEG with Advanced Imaging

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