package imaging.framework;

import java.io.*;
import java.awt.*;
import java.applet.*;
import java.net.*;
import JACE.OS.*;

public class ImageByteCounter
{
  public ImageByteCounter (String title, Image image, Applet parent)
  {
    this.image_ = image;
    this.parent_ = parent;

    Image im = null;
    try
      {
	im = this.parent_.getImage (new URL (this.parent_.getCodeBase () + 
					     "../ImageProcessing/framework/" +
					     "10.gif"));
      }
    catch (MalformedURLException e)
      {
	ACE.ERROR (e);
      }

    indicator_ = new StatusIndicator ("", im);
  }

  public int count ()
  {
    int length = 0;
    try
      {
	GIFOutputStream ostream = new GIFOutputStream (indicator_);
	//	GIFOutputStream ostream = new GIFOutputStream (null);
	GifEncoder encoder = new GifEncoder (this.image_, ostream);
	encoder.encode ();

	length = ostream.count ();
	System.out.println ("send: " + length);
      }
    catch (IOException e)
      {
	ACE.ERROR ("Exception generating gif");
      }
    indicator_.dispose ();
    return length;
  }

  Image image_ = null;
  StatusIndicator indicator_ = null;
  boolean done_ = false;
  Applet parent_;
}

class GIFOutputStream extends OutputStream
{
  public GIFOutputStream (StatusIndicator indicator)
  {
    super ();
    this.indicator_ = indicator;
  }

  public synchronized void write (int b) throws IOException 
    {
      bytesWritten_++;
      if (this.indicator_ != null)
	this.indicator_.update (bytesWritten_);
    }

  public synchronized void write (byte buf[]) throws IOException 
    {
      bytesWritten_ += buf.length;
      if (this.indicator_ != null)
	this.indicator_.update (bytesWritten_);
    }

  public synchronized void write (byte buf[], int offset, int length) throws IOException 
    {
      bytesWritten_ += length;
      if (this.indicator_ != null)
	this.indicator_.update (bytesWritten_);
    }

  public int count ()
    {
      return this.bytesWritten_;
    }

  private int bytesWritten_ = 0;
  private StatusIndicator indicator_ = null;
}