ZXing.QrCode.Internal.Encoder.interleaveWithECBytes C# (CSharp) Метод

      internal static BitArray interleaveWithECBytes(BitArray bits,
                                             int numTotalBytes,
                                             int numDataBytes,
                                             int numRSBlocks)
      {
         // "bits" must have "getNumDataBytes" bytes of data.
         if (bits.SizeInBytes != numDataBytes)
         {

            throw new WriterException("Number of bits and data bytes does not match");
         }

         // Step 1.  Divide data bytes into blocks and generate error correction bytes for them. We'll
         // store the divided data bytes blocks and error correction bytes blocks into "blocks".
         int dataBytesOffset = 0;
         int maxNumDataBytes = 0;
         int maxNumEcBytes = 0;

         // Since, we know the number of reedsolmon blocks, we can initialize the vector with the number.
         var blocks = new List<BlockPair>(numRSBlocks);

         for (int i = 0; i < numRSBlocks; ++i)
         {

            int[] numDataBytesInBlock = new int[1];
            int[] numEcBytesInBlock = new int[1];
            getNumDataBytesAndNumECBytesForBlockID(
                numTotalBytes, numDataBytes, numRSBlocks, i,
                numDataBytesInBlock, numEcBytesInBlock);

            int size = numDataBytesInBlock[0];
            byte[] dataBytes = new byte[size];
            bits.toBytes(8 * dataBytesOffset, dataBytes, 0, size);
            byte[] ecBytes = generateECBytes(dataBytes, numEcBytesInBlock[0]);
            blocks.Add(new BlockPair(dataBytes, ecBytes));

            maxNumDataBytes = Math.Max(maxNumDataBytes, size);
            maxNumEcBytes = Math.Max(maxNumEcBytes, ecBytes.Length);
            dataBytesOffset += numDataBytesInBlock[0];
         }
         if (numDataBytes != dataBytesOffset)
         {

            throw new WriterException("Data bytes does not match offset");
         }

         BitArray result = new BitArray();

         // First, place data blocks.
         for (int i = 0; i < maxNumDataBytes; ++i)
         {
            foreach (BlockPair block in blocks)
            {
               byte[] dataBytes = block.DataBytes;
               if (i < dataBytes.Length)
               {
                  result.appendBits(dataBytes[i], 8);
               }
            }
         }
         // Then, place error correction blocks.
         for (int i = 0; i < maxNumEcBytes; ++i)
         {
            foreach (BlockPair block in blocks)
            {
               byte[] ecBytes = block.ErrorCorrectionBytes;
               if (i < ecBytes.Length)
               {
                  result.appendBits(ecBytes[i], 8);
               }
            }
         }
         if (numTotalBytes != result.SizeInBytes)
         {  // Should be same.
            throw new WriterException("Interleaving error: " + numTotalBytes + " and " +
                result.SizeInBytes + " differ.");
         }

         return result;
      }