/// <summary>
/// Reads the first 132 bits of a file to check if it contains the DICOM preamble.
/// </summary>
/// <param name="dr">a stream containing the bits of the file</param>
/// <returns>a boolean indicating whether or not the DICOM preamble was in the file</returns>
public static bool Read(DICOMBinaryReader dr)
{
byte[] preamble = new byte[132];
try
{
dr.ReadBytes(preamble, 0, 132);
}
catch (Exception)
{
throw new Exception("Could not read 128 null bit preamble. Perhaps file is too short");
}
if (preamble[128] != 'D' || preamble[129] != 'I' || preamble[130] != 'C' || preamble[131] != 'M')
{
Console.WriteLine("Missing characters D I C M in bits 128-131. Technically not a valid DICOM file. Will try to read anyway.");
dr.Reset();
return false;
}
else
{
return true;
}
}
/// <summary>
/// Reads the first 132 bits of a file to check if it contains the DICOM preamble.
/// </summary>
/// <param name="dr">a stream containing the bits of the file</param>
/// <returns>a boolean indicating whether or not the DICOM preamble was in the file</returns>
public static bool Read(DICOMBinaryReader dr)
{
byte[] preamble = new byte[132];
try
{
dr.ReadBytes(preamble, 0, 132);
}
catch (Exception)
{
throw new Exception("Could not read 128 null bit preamble. Perhaps file is too short");
}
if (preamble[128] != 'D' || preamble[129] != 'I' || preamble[130] != 'C' || preamble[131] != 'M')
{
Console.WriteLine("Missing characters D I C M in bits 128-131. Technically not a valid DICOM file. Will try to read anyway.");
dr.Reset();
return(false);
}
else
{
return(true);
}
}
