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

        public override System.Drawing.Image CreateDrawingImage(System.Drawing.Color foreground, System.Drawing.Color background) {
            String bCode = KeepNumbers(code);
            if (generateChecksum)
                bCode += GetChecksum(bCode);
            int len = bCode.Length;
            int nn = (int)n;
            int fullWidth = len * (3 + 2 * nn) + (6 + nn );
            byte[] bars = GetBarsInter25(bCode);
            int height = (int)barHeight;
            System.Drawing.Bitmap bmp = new System.Drawing.Bitmap(fullWidth, height);
            for (int h = 0; h < height; ++h) {
                bool print = true;
                int ptr = 0;
                for (int k = 0; k < bars.Length; ++k) {
                    int w = (bars[k] == 0 ? 1 : nn);
                    System.Drawing.Color c = background;
                    if (print)
                        c = foreground;
                    print = !print;
                    for (int j = 0; j < w; ++j)
                        bmp.SetPixel(ptr++, h, c);
                }
            }
            return bmp;
        }
    }