[WM]: Documentation of code

["K00027498" <K00027498@student.lit.ie>]

Hi watermarks
Can anyone help me. I need to know what this program exactly does?  Thanks in advance

public class WaterTest
{

   public static void processFile(String fileName, String sWatermark, = String
formatTag)
    {
        WaterImage wi = new WaterImage();  // new object
        String wMessage = null;    // used for recheck the watermark
        wi.loadFromFile(fileName);    // load the image from the disk
        if (wi.getImage()!=null)                                // if we did
load an image
        {
          // show some info about the image
          System.out.println("Image: " + fileName +"  size: " +
wi.getImage().getWidth() + "x" +
                             wi.getImage().getHeight() + "  bbp: " +
                             wi.getImage().getColorModel().getPixelSize());
         wi.markImage(sWatermark.getBytes());   // make the watermark
         wi.saveToFile(fileName + ".LSB." + formatTag, formatTag);
         // reread the watermark to check
         wMessage = new String(wi.readWatermark());
         if (wMessage!=null)     // if we did read something
          if (wMessage.length()>0)    // not empty string
           System.out.println("Watermark info: " +wMessage); // print = the watermark string
     }
    }

    

    public static void main(String[] args)
    {
        long time;     // used to see the speed of processing
        String sWatermark = "watermark string sample"; // a string as watermark to test our class
        for (int i = 0; i < args.length; i++)            // for each argument
        {
            System.out.println("Processing file " + args[i]);
            time = System.currentTimeMillis();
            processFile(args[i], sWatermark, "png");   // process the file
            System.out.println("  ... watermarked and saved in " +
                ((System.currentTimeMillis() - time) / 1000) + " = second(s)"); // done
        }
    }
}



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