How to convert simple text to image

Hi,
I needed to secure web form from automated form submission. Looking into some common website, they use image displaying random text, which is only readable by user. So the automated form submission can be avoided.
I checked through lot of forum, but could not find help in doing it using java. So is there something in java api using which i can generate image of fly for each request by passing some random generated text of about 5-6 character length.
Any help on this would be appreciated...
Thanks,
Naresh

hi ican convert image ti html
coding---------------
import java.awt.*;
import java.awt.image.*;
import java.io.*;
import java.awt.event.*;
public class img2html extends Frame
     static Image im=null;
     static int W=-1,H=-1;
     public img2html()     {}
     public static void main(String args[])
          String infile,outfile;
          infile="c:\\micky.jpg";
          outfile="c:\\micky.html";
          boolean paramsOK=false,mode=false;
          //if (args.length <= 1) {
          //     usage();
          //     paramsOK=false;
     //     if (args.length == 2) {
          //     infile = args[0];
          //     outfile = args[1];
               paramsOK=true;
          if (paramsOK) {
               //System.out.println("img2html :");
               System.out.println(" image file " + infile);
               System.out.println(" data file " + outfile);
               img2html widow = new img2html();
               System.out.println("img2html : Loading image file");
               if (widow.processFile(infile)==false) {
                    System.exit(0);
               //System.out.println("img2html : Saving data file");
               saveByteData(outfile,mode);
               System.exit(0);
     public static void saveByteData(String fn,boolean i)
          int[] grabMapXY;
          grabMapXY          =      new int[(W * H)];
          int pix;
          PixelGrabber pg = new PixelGrabber(im,0,0,W,H,grabMapXY,0,W);
//     PixelGrabber pg =
// new PixelGrabber(image, 0, 0, -1, -1, false);
          // start grab
          try {
               pg.grabPixels();
          } catch (InterruptedException e) {
               System.out.println("Map grab failed : " + e);
               return;
          if ((pg.status() & ImageObserver.ABORT) != 0) {
               System.out.println("Map grab failed !");
               return;
          // need to base r on number of valid pixels
          writeToFn(fn,"<HTML>");
          writeToFn(fn,"");
          writeToFn(fn,"<BODY>");
          writeToFn(fn,"");
          writeToFn(fn,"<TABLE border=0 cellspacing=0 cellpadding=0>");
          int red,green,blue,p;
          String r,g,b;
          Color c;
          for (int y =0; y < H; y++) {
               writeToFn(fn," <TR>");
               for (int x =0; x < W; x++) {
                    pix=grabMapXY[ y * W + x ];
                    c = new Color(pix);
                    red=c.getRed();
                    blue=c.getBlue();
                    green=c.getGreen();
                    r=Integer.toHexString(red);
                    g=Integer.toHexString(green);
                    b=Integer.toHexString(blue);
                    if (r.length()==1) { r="0"+r; }
                    if (g.length()==1) { g="0"+g; }
                    if (b.length()==1) { b="0"+b; }
                    writeToFn(fn," <TD WIDTH=1 HEIGHT=1 BGCOLOR=#" + r + g + b + ">", " " + x + "," + y + " - of - " + W + "," + H);
                    writeToFn(fn," </TD>");
               writeToFn(fn," </TR>");
          writeToFn(fn,"");
          writeToFn(fn,"</TABLE>");
          writeToFn(fn,"");
          writeToFn(fn,"</BODY>");
          writeToFn(fn,"</HTML>");
     public static void writeToFn(String fn,String Dbytes,String status) {
          try {
               //System.out.println(Dbytes + " pixel " + status);
               DataOutputStream dos = new DataOutputStream( new FileOutputStream(fn,true));
               dos.writeBytes(Dbytes); //
               dos.writeByte(13); // line feed for each line
          dos.writeByte(10); // line feed for each line
               // close here
               dos.close();
          } catch (IOException e) {
               System.err.println("File error: " + e.getMessage());
     public static void writeToFn(String fn,String Dbytes) {
          try {
               //System.out.println(Dbytes );
               DataOutputStream dos = new DataOutputStream( new FileOutputStream(fn,true));
               dos.writeBytes(Dbytes); //
               dos.writeByte(13); // line feed for each line
          dos.writeByte(10); // line feed for each line
               // close here
               dos.close();
          } catch (IOException e) {
               System.err.println("File error: " + e.getMessage());
     public boolean processFile(String fn)
          boolean OK=false;
          int exitcounter;
          try {
               im = getToolkit().getImage(fn);
          catch (Exception e)
               System.out.println("1HOLY MOLY THIS NEVER HAPPENS!!!! "+e);
          MediaTracker tracker= new MediaTracker(this);
          tracker.addImage(im,0);
          try {
               tracker.waitForID(0);
          catch (InterruptedException e)
               System.out.println("2HOLY MOLY THIS NEVER HAPPENS "+e);
          if (tracker.isErrorID(0)) {
               System.out.println("IMAGE FILE COULD NOT BE LOADED");
               System.out.println(fn);
          } else {
               exitcounter=0;
               while ( ((W==-1)||(H==-1)) && (exitcounter<=16000000) )
                    W=im.getWidth(null);
                    H=im.getHeight(null);
                    exitcounter++;
               if (exitcounter>15999999)
                    System.out.println("Timeout attempting to load image, is it to big?");
               else
                    OK=true;
          return(OK);
     public static void usage() {
          //System.out.println("Usage:");
          //System.out.println("java img2html infile outfile ");
          //System.out.println(" infile : image file .gif ");
          //System.out.println(" outfile : html file to be created");
          //System.out.println(" /i : Inverse data ");
}     // end of class

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