iTextSharp.text.pdf.CMapAwareDocumentFont.ProcessUni2Byte C# (CSharp) Метод

        private void ProcessUni2Byte()
        {
            IntHashtable uni2byte = Uni2Byte;
            int[] e = uni2byte.ToOrderedKeys();
            if (e.Length == 0)
                return;
            cidbyte2uni = new char[256];
            if (toUnicodeCmap == null) {
                for (int k = 0; k < e.Length; ++k) {
                    int n = uni2byte[e[k]];

                    // this is messy, messy - an encoding can have multiple unicode values mapping to the same cid - we are going to arbitrarily choose the first one
                    // what we really need to do is to parse the encoding, and handle the differences info ourselves.  This is a huge duplication of code of what is already
                    // being done in DocumentFont, so I really hate to go down that path without seriously thinking about a change in the organization of the Font class hierarchy
                    if (n < 256 && cidbyte2uni[n] == 0)
                        cidbyte2uni[n] = (char)e[k];
                }
            }
            else {
                IDictionary<int,int> dm = toUnicodeCmap.CreateDirectMapping();
                foreach (KeyValuePair<int,int> kv in dm) {
                    if (kv.Key < 256)
                        cidbyte2uni[kv.Key] = (char)kv.Value;
                }
            }
            IntHashtable diffmap = Diffmap;
            if (diffmap != null) {
                // the difference array overrides the existing encoding
                e = diffmap.ToOrderedKeys();
                for (int k = 0; k < e.Length; ++k) {
                    int n = diffmap[e[k]];
                    if (n < 256)
                        cidbyte2uni[n] = (char)e[k];
                }
            }
        }