private static int Receive(ref JpegBitReader reader, int length)
{
Debug.Assert(length > 0);
if (!reader.TryReadBits(length, out int value, out bool isMarkerEncountered))
{
if (isMarkerEncountered)
{
ThrowInvalidDataException("Expect raw data from bit stream. Yet a marker is encountered.");
}
ThrowInvalidDataException("The bit stream ended prematurely.");
}
return(value);
}