private static void ZLib(Stream memoryStream, Peak1DArray peakArray)
{
using (var deflateStream = new DeflateStream(memoryStream, CompressionMode.Compress, true))
{
NoCompression(deflateStream, peakArray);
}
}
private static void NoCompression(Stream memoryStream, Peak1DArray peakArray)
{
using (var writer = new BinaryWriter(memoryStream, Encoding.UTF8, true))
{
foreach (var pk in peakArray.Peaks)
{
WriteValue(writer, peakArray.IntensityDataType, pk.Intensity);
WriteValue(writer, peakArray.MzDataType, pk.Mz);
}
}
}
private static void NoCompression(Stream stream, Peak1DArray peakArray)
{
using (var reader = new BinaryReader(stream, Encoding.UTF8, true))
{
for (int i = 0; i < peakArray.ArrayLength; i++)
{
double intensity = ReadValue(reader, peakArray.IntensityDataType);
double mz = ReadValue(reader, peakArray.MzDataType);
peakArray.Peaks[i] = new Peak1D(intensity, mz);
}
}
}
public void Decode(Stream stream, Peak1DArray peakArray)
{
switch (peakArray.CompressionType)
{
case BinaryDataCompressionType.NoCompression:
NoCompression(stream, peakArray);
break;
case BinaryDataCompressionType.ZLib:
ZLib(stream, peakArray);
break;
default:
throw new NotSupportedException("Compression type not supported: " + peakArray.CompressionType.ToString());
}
}
private static void NoCompression(Stream stream, Peak1DArray peakArray)
{
using (var reader = new BinaryReader(stream, Encoding.UTF8, true))
{
int len = reader.ReadInt32();
Peak1D[] peaks = new Peak1D[len];
for (int i = 0; i < len; i++)
{
double intensity = ReadValue(reader, peakArray.IntensityDataType);
double mz = ReadValue(reader, peakArray.MzDataType);
peaks[i] = new Peak1D(intensity, mz);
}
peakArray.Peaks = peaks.ToMzLiteArray();
}
}
public byte[] Encode(Peak1DArray peakArray)
{
memoryStream.Position = 0;
switch (peakArray.CompressionType)
{
case BinaryDataCompressionType.NoCompression:
NoCompression(memoryStream, peakArray);
break;
case BinaryDataCompressionType.ZLib:
ZLib(memoryStream, peakArray);
break;
default:
throw new NotSupportedException("Compression type not supported: " + peakArray.CompressionType.ToString());
}
memoryStream.Position = 0;
return(memoryStream.ToArray());
}