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

        protected void CheckGlyphComposite(int glyph)
        {
            int start = locaTable[glyph];
            if (start == locaTable[glyph + 1]) // no contour
                return;
            rf.Seek(tableGlyphOffset + start);
            int numContours = rf.ReadShort();
            if (numContours >= 0)
                return;
            rf.SkipBytes(8);
            for(;;) {
                int flags = rf.ReadUnsignedShort();
                int cGlyph = rf.ReadUnsignedShort();
                if (!glyphsUsed.ContainsKey(cGlyph)) {
                    glyphsUsed[cGlyph] = null;
                    glyphsInList.Add(cGlyph);
                }
                if ((flags & MORE_COMPONENTS) == 0)
                    return;
                int skip;
                if ((flags & ARG_1_AND_2_ARE_WORDS) != 0)
                    skip = 4;
                else
                    skip = 2;
                if ((flags & WE_HAVE_A_SCALE) != 0)
                    skip += 2;
                else if ((flags & WE_HAVE_AN_X_AND_Y_SCALE) != 0)
                    skip += 4;
                if ((flags & WE_HAVE_A_TWO_BY_TWO) != 0)
                    skip += 8;
                rf.SkipBytes(skip);
            }
        }