Esempio n. 1
0
        public QRVersion(ErrorCorrectionInfo l, ErrorCorrectionInfo m, ErrorCorrectionInfo q, ErrorCorrectionInfo h)
        {
            Debug.Assert(l.TotalBytes == m.TotalBytes && l.TotalBytes == q.TotalBytes && l.TotalBytes == h.TotalBytes);

            L = l;
            M = m;
            Q = q;
            H = h;
        }
        public QRVersion(ErrorCorrectionInfo l, ErrorCorrectionInfo m, ErrorCorrectionInfo q, ErrorCorrectionInfo h)
        {
            Debug.Assert(l.TotalBytes == m.TotalBytes && l.TotalBytes == q.TotalBytes && l.TotalBytes == h.TotalBytes);

            L = l;
            M = m;
            Q = q;
            H = h;
        }
Esempio n. 3
0
        internal static byte[] GetMessageSequence(byte[] input, ErrorCorrectionLevel desiredLevel, out int qrCodeVersion, out ErrorCorrectionLevel qrErrorCorrectionLevel)
        {
            // See ISO/IEC 18004:2006(E), Sec. 6.6 for information on generating the final message sequence

            ErrorCorrectionInfo correctionInfo = GetErrorCorrectionInfo(input.Length, desiredLevel, out qrCodeVersion, out qrErrorCorrectionLevel);

            byte[] extendedInput = new byte[correctionInfo.TotalDataBytes];
            Buffer.BlockCopy(input, 0, extendedInput, 0, input.Length);

            // generate data and error blocks
            int           bytesCopiedSoFar = 0;
            List <byte[]> dataBlocks       = new List <byte[]>();
            List <byte[]> errorBlocks      = new List <byte[]>();

            foreach (var blockCountInfo in correctionInfo.BlockCountInfos)
            {
                for (int i = 0; i < blockCountInfo.BlockCount; i++)
                {
                    // create a data block
                    byte[] thisDataBlock = new byte[blockCountInfo.BlockInfo.DataBytes];
                    Buffer.BlockCopy(extendedInput, bytesCopiedSoFar, thisDataBlock, 0, thisDataBlock.Length);
                    dataBlocks.Add(thisDataBlock);
                    bytesCopiedSoFar += thisDataBlock.Length;

                    // create an error block
                    byte[] thisErrorBlock = QRReedSolomon.GetErrorCorrectionBytes(thisDataBlock, blockCountInfo.BlockInfo.ErrorBytes);
                    errorBlocks.Add(thisErrorBlock);
                }
            }

            // Assemble the final message sequence
            Debug.Assert(dataBlocks.Count == errorBlocks.Count);
            MemoryStream ms = new MemoryStream(correctionInfo.TotalDataBytes + correctionInfo.TotalErrorBytes);

            FlushBlocks(dataBlocks, ms);
            FlushBlocks(errorBlocks, ms);
            return(ms.ToArray());
        }