iTextSharp.text.pdf.PdfReader.CreateFakeFontSubsets C# (CSharp) Метод

        public int CreateFakeFontSubsets() {
            int total = 0;
            for (int k = 1; k < xrefObj.Count; ++k) {
                PdfObject obj = GetPdfObjectRelease(k);
                if (obj == null || !obj.IsDictionary())
                    continue;
                PdfDictionary dic = (PdfDictionary)obj;
                if (!ExistsName(dic, PdfName.TYPE, PdfName.FONT))
                    continue;
                if (ExistsName(dic, PdfName.SUBTYPE, PdfName.TYPE1)
                    || ExistsName(dic, PdfName.SUBTYPE, PdfName.MMTYPE1)
                    || ExistsName(dic, PdfName.SUBTYPE, PdfName.TRUETYPE)) {
                    String s = GetSubsetPrefix(dic);
                    if (s != null)
                        continue;
                    s = GetFontName(dic);
                    if (s == null)
                        continue;
                    String ns = BaseFont.CreateSubsetPrefix() + s;
                    PdfDictionary fd = (PdfDictionary)GetPdfObjectRelease(dic.Get(PdfName.FONTDESCRIPTOR));
                    if (fd == null)
                        continue;
                    if (fd.Get(PdfName.FONTFILE) == null && fd.Get(PdfName.FONTFILE2) == null
                        && fd.Get(PdfName.FONTFILE3) == null)
                        continue;
                    fd = dic.GetAsDict(PdfName.FONTDESCRIPTOR);
                    PdfName newName = new PdfName(ns);
                    dic.Put(PdfName.BASEFONT, newName);
                    fd.Put(PdfName.FONTNAME, newName);
                    SetXrefPartialObject(k, dic);
                    ++total;
                }
            }
            return total;
        }