<%@ WebHandler Language="C#" Class="Thumb" %>

using System;
using System.Web;
using System.Drawing;

public class Thumb : IHttpHandler {

  
  public bool ThumbnailCallback()
  {
    return false;
  }

  public bool IsReusable {
        get { return false; }
    }
  

    public void ProcessRequest(HttpContext context)
    {
        System.Drawing.Image.GetThumbnailImageAbort myCallback = new System.Drawing.Image.GetThumbnailImageAbort(ThumbnailCallback);

        System.Drawing.Bitmap myBitmap;
        System.Drawing.Image myThumbnail;
        bool zNoImg = false;

        string zParam = string.Empty;
        string zFile = string.Empty;

        string zPath = context.Server.MapPath("~/public/foto/");

        if (System.IO.File.Exists(zPath + context.Request.QueryString["nomefile"]))
        {
            zFile = zPath + context.Request.QueryString["nomefile"];
        }
        else
        {
            zFile = zPath + "none.jpg";
            zNoImg = true;
        }


        myBitmap = new System.Drawing.Bitmap(zFile);

        if (!zNoImg)
            myThumbnail = myBitmap.GetThumbnailImage(100, 100, myCallback, IntPtr.Zero);
        else
            myThumbnail = myBitmap;

        myThumbnail.Save(context.Response.OutputStream, System.Drawing.Imaging.ImageFormat.Jpeg);
        myThumbnail.Dispose();
        myBitmap.Dispose();
    }
 


}