<%@ WebHandler Language="C#" Class="Handler" %> using System; using System.IO; using System.Web; public class Handler : IHttpHandler { public bool IsReusable { get { return true; } } public void ProcessRequest (HttpContext context) { // Set up the response settings context.Response.ContentType = "image/jpeg"; context.Response.Cache.SetCacheability(HttpCacheability.Public); context.Response.BufferOutput = false; // Setup the Size Parameter PhotoSize size; switch (context.Request.QueryString["Size"]) { case "S": size = PhotoSize.Small; break; case "M": size = PhotoSize.Medium; break; case "L": size = PhotoSize.Large; break; default: size = PhotoSize.Original; break; } // Setup the PhotoID Parameter Int32 id = -1; Stream stream = null; if (context.Request.QueryString["PhotoID"] != null && context.Request.QueryString["PhotoID"] != "") { id = Convert.ToInt32(context.Request.QueryString["PhotoID"]); stream = PhotoManager.GetPhoto(id, size); } else { id = Convert.ToInt32(context.Request.QueryString["AlbumID"]); stream = PhotoManager.GetFirstPhoto(id, size); } // Get the photo from the database, if nothing is returned, get the default "placeholder" photo if (stream == null) stream = PhotoManager.GetPhoto(size); // Write image stream to the response stream const int buffersize = 1024 * 16; byte[] buffer = new byte[buffersize]; int count = stream.Read(buffer, 0, buffersize); while (count > 0) { context.Response.OutputStream.Write(buffer, 0, count); count = stream.Read(buffer, 0, buffersize); } } }