iTextSharp.text.pdf.TrueTypeFontSubSet.AssembleFont C# (CSharp) Метод

        protected void AssembleFont()
        {
            int[] tableLocation;
            int fullFontSize = 0;
            string[] tableNames;
            if (includeExtras)
                tableNames = tableNamesExtra;
            else {
                if (includeCmap)
                    tableNames = tableNamesCmap;
                else
                    tableNames = tableNamesSimple;
            }
            int tablesUsed = 2;
            int len = 0;
            for (int k = 0; k < tableNames.Length; ++k) {
                string name = tableNames[k];
                if (name.Equals("glyf") || name.Equals("loca"))
                    continue;
                tableDirectory.TryGetValue(name, out tableLocation);
                if (tableLocation == null)
                    continue;
                ++tablesUsed;
                fullFontSize += (tableLocation[TABLE_LENGTH] + 3) & (~3);
            }
            fullFontSize += newLocaTableOut.Length;
            fullFontSize += newGlyfTable.Length;
            int iref = 16 * tablesUsed + 12;
            fullFontSize += iref;
            outFont = new byte[fullFontSize];
            fontPtr = 0;
            WriteFontInt(0x00010000);
            WriteFontShort(tablesUsed);
            int selector = entrySelectors[tablesUsed];
            WriteFontShort((1 << selector) * 16);
            WriteFontShort(selector);
            WriteFontShort((tablesUsed - (1 << selector)) * 16);
            for (int k = 0; k < tableNames.Length; ++k) {
                string name = tableNames[k];
                tableDirectory.TryGetValue(name, out tableLocation);
                if (tableLocation == null)
                    continue;
                WriteFontString(name);
                if (name.Equals("glyf")) {
                    WriteFontInt(CalculateChecksum(newGlyfTable));
                    len = glyfTableRealSize;
                }
                else if (name.Equals("loca")) {
                    WriteFontInt(CalculateChecksum(newLocaTableOut));
                    len = locaTableRealSize;
                }
                else {
                    WriteFontInt(tableLocation[TABLE_CHECKSUM]);
                    len = tableLocation[TABLE_LENGTH];
                }
                WriteFontInt(iref);
                WriteFontInt(len);
                iref += (len + 3) & (~3);
            }
            for (int k = 0; k < tableNames.Length; ++k) {
                string name = tableNames[k];
                tableDirectory.TryGetValue(name, out tableLocation);
                if (tableLocation == null)
                    continue;
                if (name.Equals("glyf")) {
                    Array.Copy(newGlyfTable, 0, outFont, fontPtr, newGlyfTable.Length);
                    fontPtr += newGlyfTable.Length;
                    newGlyfTable = null;
                }
                else if (name.Equals("loca")) {
                    Array.Copy(newLocaTableOut, 0, outFont, fontPtr, newLocaTableOut.Length);
                    fontPtr += newLocaTableOut.Length;
                    newLocaTableOut = null;
                }
                else {
                    rf.Seek(tableLocation[TABLE_OFFSET]);
                    rf.ReadFully(outFont, fontPtr, tableLocation[TABLE_LENGTH]);
                    fontPtr += (tableLocation[TABLE_LENGTH] + 3) & (~3);
                }
            }
        }