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

        protected void BuildSubrUsed(int Font,int FD,int SubrOffset,int[] SubrsOffsets,Dictionary<int,int[]> hSubr,List<int> lSubr)
        {
            // Calc the Bias for the subr index
            int LBias = CalcBias(SubrOffset,Font);

            // For each glyph used find its GID, start & end pos
            for (int i=0;i<glyphsInList.Count;i++)
            {
                int glyph = glyphsInList[i];
                int Start = fonts[Font].charstringsOffsets[glyph];
                int End = fonts[Font].charstringsOffsets[glyph+1];

                // IF CID:
                if (FD >= 0)
                {
                    EmptyStack();
                    NumOfHints=0;
                    // Using FDSELECT find the FD Array the glyph belongs to.
                    int GlyphFD = fonts[Font].FDSelect[glyph];
                    // If the Glyph is part of the FD being processed
                    if (GlyphFD == FD)
                        // Find the Subrs called by the glyph and insert to hash:
                        ReadASubr(Start,End,GBias,LBias,hSubr,lSubr,SubrsOffsets);
                }
                else
                    // If the font is not CID
                    //Find the Subrs called by the glyph and insert to hash:
                    ReadASubr(Start,End,GBias,LBias,hSubr,lSubr,SubrsOffsets);
            }
            // For all Lsubrs used, check recusrivly for Lsubr & Gsubr used
            for (int i=0;i<lSubr.Count;i++)
            {
                // Pop the subr value from the hash
                int Subr = lSubr[i];
                // Ensure the Lsubr call is valid
                if (Subr < SubrsOffsets.Length-1 && Subr>=0)
                {
                    // Read and process the subr
                    int Start = SubrsOffsets[Subr];
                    int End = SubrsOffsets[Subr+1];
                    ReadASubr(Start,End,GBias,LBias,hSubr,lSubr,SubrsOffsets);
                }
            }
        }