<%@ WebHandler Language="C#" Class="UploadHandler" %>

using System;
using System.Web;
using System.IO;
using System.Drawing;
using System.Drawing.Drawing2D;
public class UploadHandler : IHttpHandler {
    
    public void ProcessRequest (HttpContext context) {
        //string path = context.Request["path"];
        //FileInfo fn = new FileInfo(path);
        //fn.CopyTo(context.Server.MapPath("Image/"+fn.Name));
        //context.Response.Write(fn.Name+":"+fn.Extension);

        if (context.Request.Files.Count > 0)
        {
            HttpFileCollection files = context.Request.Files;
            for (int i = 0; i < files.Count; i++)
            {
                HttpPostedFile file = files[i];
                string fname,path;
                if (HttpContext.Current.Request.Browser.Browser.ToUpper() == "IE" || HttpContext.Current.Request.Browser.Browser.ToUpper() == "INTERNETEXPLORER")
                {
                    string[] testfiles = file.FileName.Split(new char[] { '\\' });
                    fname = testfiles[testfiles.Length - 1];
                }
                    
                else
                {
                    Random rnd = new Random();
                    fname = rnd.Next(99, 99999) + file.FileName.Replace(' ', '-');
                }
                //fname = Path.Combine(context.Server.MapPath("AgentImage/"), fname);
                path = Path.Combine(context.Server.MapPath("AgentImage/"), fname);
                //----------Resize Function----------//
                System.Drawing.Image imageToBeResized = System.Drawing.Image.FromStream(file.InputStream);
                int imageHeight = imageToBeResized.Height;
                int imageWidth = imageToBeResized.Width;
                int maxHeight = 300;
                int maxWidth = 300;
                if (imageWidth > maxWidth || imageWidth < maxWidth)
                {
                    imageWidth = 300;
                }
                if (imageHeight > maxHeight || imageHeight < maxHeight)
                {
                    imageHeight = 300;
                }
                var thumbnailImg = new Bitmap(imageWidth, imageHeight);
                //Bitmap bitmap = new Bitmap(imageToBeResized, imageWidth, imageHeight);
                var thumbGraph = Graphics.FromImage(thumbnailImg);
                thumbGraph.CompositingQuality = CompositingQuality.HighQuality;
                thumbGraph.SmoothingMode = SmoothingMode.HighQuality;
                thumbGraph.InterpolationMode = InterpolationMode.HighQualityBicubic;
                var imageRectangle = new Rectangle(0, 0, imageWidth, imageHeight);
                thumbGraph.DrawImage(imageToBeResized, imageRectangle);
                thumbnailImg.Save(path, imageToBeResized.RawFormat);
                //file.SaveAs(fname);
                context.Response.Write("AgentImage/"+fname);
            }
        }
        //context.Response.ContentType = "text/plain";
        
    }

    public bool IsReusable {
        get {
            return false;
        }
    }

}