iTextSharp.text.pdf.CFFFontSubset.BuildFDSubrsOffsets C# (CSharp) Метод

        protected void BuildFDSubrsOffsets(int Font,int FD)
        {
            // Initiate to -1 to indicate lsubr operator present
            fonts[Font].PrivateSubrsOffset[FD] = -1;
            // Goto begining of objects
            Seek(fonts[Font].fdprivateOffsets[FD]);
            // While in the same object:
            while (GetPosition() < fonts[Font].fdprivateOffsets[FD]+fonts[Font].fdprivateLengths[FD])
            {
                GetDictItem();
                // If the dictItem is the "Subrs" then find and store offset,
                if (key=="Subrs")
                    fonts[Font].PrivateSubrsOffset[FD] = (int)args[0]+fonts[Font].fdprivateOffsets[FD];
            }
            //Read the lsub index if the lsubr was found
            if (fonts[Font].PrivateSubrsOffset[FD] >= 0)
                fonts[Font].PrivateSubrsOffsetsArray[FD] = GetIndex(fonts[Font].PrivateSubrsOffset[FD]);
        }