Re: What are the options for serializing a BufferedImage?

"Qu0ll" <>
Thu, 11 Jun 2009 15:23:19 +1000
"charlesbos73" <> wrote in message

On Jun 10, 9:08 am, "Qu0ll" <> wrote:

BufferedImage does not appear to implement Serializable so I don't know
to send an instance of this class from a server to an applet. The server

Indeed, but you can trivially access the image type and its underlying
int[] of a BufferedImage. And with these infos, you can trivially
reconstruct a BufferedImage at the other end.

Simply create a class (say SerializablePicture) that implements
the Serializable interface which contains the int[] and the image

The following should work:

(btw Lew the JLS-nazi bot can go f*ck himself about my 4-spaces
indentation, I'm here to help people, not to nitpick)

public final class SerializablePicture implements Serializable {

   static final long serialVersionUID = 0x17E30096AFA13BE7L;

   private int w;
   private int h;
   private int imageType;
   private int[] pixels;

   public SerializablePicture(
           final int w,
           final int h,
           final int imageType,
           final int[] pixels
   ) {
       this.w = w;
       this.h = h;
       this.imageType = imageType;
       this.pixels = pixels;

   public int getW() {
       return w;

   public int getH() {
       return h;

   public int getImageType() {
       return imageType;

   public int[] getPixels() {
       return pixels;


will not necessarily have the image file stored locally so I cannot use
ImageIO from the applet as the server will acquire the image from yet
another server. Ideally I would like to transmit the image as a Base64
encoded section in an XML file.

That's a terrible misuse of XML in my opinion.

So what are the options for transmitting a BufferedImage? How do I
it into Base64?

Base64Encoder/Decoder would do, but I really wouldn't use that
to transmit a BufferedImage.

Thanks for the advice - I may well do this.

And loving it,

-Qu0ll (Rare, not extinct)
[Replace the "SixFour" with numbers to email me]

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