iTextSharp.text.ImgWMF.ProcessParameters C# (CSharp) Метод

        private void ProcessParameters()
        {
            type = Element.IMGTEMPLATE;
            originalType = ORIGINAL_WMF;
            Stream istr = null;
            try {
                string errorID;
                if (rawData == null){
                    WebRequest w = WebRequest.Create(url);
                    w.Credentials = CredentialCache.DefaultCredentials;
                    istr = w.GetResponse().GetResponseStream();
                    errorID = url.ToString();
                }
                else{
                    istr = new MemoryStream(rawData);
                    errorID = "Byte array";
                }
                InputMeta im = new InputMeta(istr);
                if (im.ReadInt() != unchecked((int)0x9AC6CDD7))    {
                    throw new BadElementException(MessageLocalization.GetComposedMessage("1.is.not.a.valid.placeable.windows.metafile", errorID));
                }
                im.ReadWord();
                int left = im.ReadShort();
                int top = im.ReadShort();
                int right = im.ReadShort();
                int bottom = im.ReadShort();
                int inch = im.ReadWord();
                dpiX = 72;
                dpiY = 72;
                scaledHeight = (float)(bottom - top) / inch * 72f;
                this.Top =scaledHeight;
                scaledWidth = (float)(right - left) / inch * 72f;
                this.Right = scaledWidth;
            }
            finally {
                if (istr != null) {
                    istr.Close();
                }
                plainWidth = this.Width;
                plainHeight = this.Height;
            }
        }