RadioDld.RssServer.EpisodeImageContent C# (CSharp) Method

        private void EpisodeImageContent(HttpListenerContext context)
        {
            Regex epidPattern = new Regex(@"^\?epid=([0-9]+)$");
            Match match = epidPattern.Match(context.Request.Url.Query);

            int epid;

            if (!int.TryParse(match.Groups[1].Value, out epid))
            {
                // Request doesn't contain a valid episode id
                this.ErrorPage404(context);
                return;
            }

            Bitmap image = Model.Episode.GetImage(epid);

            if (image == null)
            {
                // Specified episode does not have an image
                this.ErrorPage404(context);
                return;
            }

            context.Response.ContentType = "image/png";

            // Find the appropriate codec for saving the image as a png
            System.Drawing.Imaging.ImageCodecInfo pngCodec = null;

            foreach (System.Drawing.Imaging.ImageCodecInfo codec in System.Drawing.Imaging.ImageCodecInfo.GetImageEncoders())
            {
                if (codec.MimeType == context.Response.ContentType)
                {
                    pngCodec = codec;
                    break;
                }
            }

            try
            {
                image.Save(context.Response.OutputStream, pngCodec, null);
            }
            catch (HttpListenerException)
            {
                // Don't worry about dropped connections etc.
            }
        }