iTextSharp.text.pdf.BarcodeInter25.GetBarsInter25 C# (CSharp) Метод

        public static byte[] GetBarsInter25(string text) {
            text = KeepNumbers(text);
            if ((text.Length & 1) != 0)
                throw new ArgumentException("The text length must be even.");
            byte[] bars = new byte[text.Length * 5 + 7];
            int pb = 0;
            bars[pb++] = 0;
            bars[pb++] = 0;
            bars[pb++] = 0;
            bars[pb++] = 0;
            int len = text.Length / 2;
            for (int k = 0; k < len; ++k) {
                int c1 = text[k * 2] - '0';
                int c2 = text[k * 2 + 1] - '0';
                byte[] b1 = BARS[c1];
                byte[] b2 = BARS[c2];
                for (int j = 0; j < 5; ++j) {
                    bars[pb++] = b1[j];
                    bars[pb++] = b2[j];
                }
            }
            bars[pb++] = 1;
            bars[pb++] = 0;
            bars[pb++] = 0;
            return bars;
        }