iTextSharp.text.pdf.BarcodePDF417.OutPaintCode C# (CSharp) Метод

        protected void OutPaintCode() {
            int codePtr = 0;
            bitColumns = START_CODE_SIZE * (codeColumns + 3) + STOP_SIZE;
            int lenBits = ((bitColumns - 1) / 8 + 1) * codeRows;
            outBits = new byte[lenBits];
            for (int row = 0; row < codeRows; ++row) {
                bitPtr = ((bitColumns - 1) / 8 + 1) * 8 * row;
                int rowMod = row % 3;
                int[] cluster = CLUSTERS[rowMod];
                OutStartPattern();
                int edge = 0;
                switch (rowMod) {
                case 0:
                    edge = 30 * (row / 3) + ((codeRows - 1) / 3);
                    break;
                case 1:
                    edge = 30 * (row / 3) + errorLevel * 3 + ((codeRows - 1) % 3);
                    break;
                default:
                    edge = 30 * (row / 3) + codeColumns - 1;
                    break;
                }
                OutCodeword(cluster[edge]);

                for (int column = 0; column < codeColumns; ++column) {
                    OutCodeword(cluster[codewords[codePtr++]]);
                }

                switch (rowMod) {
                case 0:
                    edge = 30 * (row / 3) + codeColumns - 1;
                    break;
                case 1:
                    edge = 30 * (row / 3) + ((codeRows - 1) / 3);
                    break;
                default:
                    edge = 30 * (row / 3) + errorLevel * 3 + ((codeRows - 1) % 3);
                    break;
                }
                OutCodeword(cluster[edge]);
                OutStopPattern();
            }
            if ((options & PDF417_INVERT_BITMAP) != 0) {
                for (int k = 0; k < outBits.Length; ++k)
                    outBits[k] ^= 0xff;
            }
        }