Document document = null;



            PdfWriter writer = null;

            string fileSavePath = "d:\\";

            System.Drawing.Image sourceImg = null;



            iTextSharp.text.Image pdfImage = null;



            try

            {

             //   filePath = fileSavePath + "\temp" +  ".pdf";

                filePath = @"d:\temp.pdf";

                iTextSharp.text.Rectangle rectPageSize = new iTextSharp.text.Rectangle(PageSize.A4);



             //   rectPageSize = rectPageSize.Rotate();



                document = new Document(rectPageSize, 0, 0, 0, 0);



                writer = PdfWriter.GetInstance(document, new FileStream(filePath, FileMode.Create));



                document.Open();



            //    sourceImg = System.Drawing.Image.FromFile(fileSavePath + "\\" + fileInputName);

                sourceImg =System.Drawing.Image.FromFile( fileInputName);

                pdfImage = iTextSharp.text.Image.GetInstance(sourceImg, GetImageFormat(GetFileExtendName(fileInputName)));