iTextSharp.text.pdf.PdfStamper.SetFullCompression C# (CSharp) Метод

        public void SetFullCompression()
        {
            if (stamper.append)
                return;
            stamper.SetFullCompression();
        }

        /// <summary>
        /// Compress a pdf
        /// </summary>
        /// <param name="base64Pdf">A small model to hold a base64 encoded pdf object { "content" : "somebase64" }</param>
        /// <returns>{ "content" : "smallerBase64" }</returns>
        public IHttpActionResult Post(Base64Pdf base64Pdf)
        {
            try
            {
                if (base64Pdf.data == null)
                    return BadRequest("Check supplied pdf model");

                byte[] data = Convert.FromBase64String(base64Pdf.data);

                //Compress
                byte[] compressedData;
                using (var memStream = new MemoryStream())
                {
                    var reader = new PdfReader(data);
                    var stamper = new PdfStamper(reader, memStream, PdfWriter.VERSION_1_4);
                    var pageNum = reader.NumberOfPages;

                    for (var i = 1; i <= pageNum; i++)
                        reader.SetPageContent(i, reader.GetPageContent(i));

                    stamper.SetFullCompression();
                    stamper.Close();
                    reader.Close();

                    compressedData = memStream.ToArray();
                }
                var compressedBase64 = Convert.ToBase64String(compressedData);

                return Json(new Base64Pdf { data = compressedBase64 });
            }
            catch (Exception ex)
            {
                return InternalServerError(ex);
            }
        }