/// <summary>
/// Method TryCreateQRCode makes attempt conversion data
/// </summary>
/// <param name="QRdata">array will contain conversion data</param>
/// <returns>Returns true if attempt was success and false if not</returns>
private bool TryCreateQRCode(out byte[] QRdata)
{
QRdata = default;
byte[][] dataBlocks;
byte[][] correctionBlocks;
if (serviceData == null)
{
serviceData = new ServiceData(CodingType, CorrectionLevel);
}
serviceData.CodingType = CodingType;
serviceData.CorrectionLevel = CorrectionLevel;
if (coder.TryEncoding(out byte[] binaryData))
{
if (serviceData.TryGetData(binaryData.Length, coder.DataLength, out byte[] binaryServiceData))
{
binaryData = DataCombiner.FillingData(serviceData.Capacity, binaryServiceData, binaryData);
dataBlocks = DataDivider.DivideByBlocks(binaryData, CorrectionLevel, serviceData.Version);
correctionBlocks = Correction.GetCorrectionBlocks(dataBlocks, CorrectionLevel, serviceData.Version);
QRdata = DataCombiner.MergeBlocks(dataBlocks, correctionBlocks);
return(true);
}
ErrorHandler?.Invoke("Превышен лимит данных! \r\nУменьшите кол-во данных или используйте другой уровень коррекции");
return(false);
}
/// <summary>
/// Method TryEncoding encoding input data to bits sequence
/// </summary>
/// <param name="result"> array consisting sequence of bits of encoded data </param>
/// <returns>Return true if input data not empty, and false if not </returns>
internal override bool TryEncoding(out byte[] result)
{
if (!IsValid(data))
{
result = default;
return(false);
}
//Converting data from string to array of bytes
result = DataCombiner.ConvertByteToBinary(data);
dataLength = result.Length / 8;
return(true);
}
/// <summary>
/// Method DivideByBlocks dividing data by blocks
/// </summary>
/// <param name="data"></param>
/// <param name="correctionLevel"></param>
/// <param name="version"></param>
/// <returns>Returns data divided by blocks</returns>
internal static byte[][] DivideByBlocks(byte[] data, CorrectionLevel correctionLevel, int version)
{
byte[][] dataBlocks;
int blocksCount = GetBlocksCount(correctionLevel, version);
dataBlocks = new byte[blocksCount][];
int[] blocksLengths = GetBlocksLengths(blocksCount, data.Length);
for (int i = 0; i < dataBlocks.Length; i++)
{
dataBlocks[i] = new byte[blocksLengths[i]];
}
dataBlocks = DataCombiner.FillingBlocks(data, dataBlocks);
return(dataBlocks);
}