/// <summary>
/// Re-creates a data element instance from specified DICOM
/// output stream using <see cref="DataElement.TransferSyntax" />.
/// </summary>
public void LoadFrom(Stream stream)
{
tag = new Tag(stream, TransferSyntax);
vr = ValueRepresentation.LoadFrom(stream, Tag);
valueLength = new ValueLength(stream, VR);
value = new Value(stream, VR, ValueLength);
}
public override int GetHashCode()
{
var hashCode = 139101280;
hashCode = hashCode * -1521134295 + EqualityComparer <TTag> .Default.GetHashCode(Tag);
hashCode = hashCode * -1521134295 + ValueLength.GetHashCode();
return(hashCode);
}
public override string ToString()
{
string result = "";
result += "Размер тела атрибута:" + ValueLength.ToString() + "\n";
result += "Смещение тела относительно заголовка:" + ValueOffset.ToString() + "\n";
result += "Резидентные флаги:" + ResidentFlags.ToString() + "\n";
return(result);
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public override int GetHashCode()
{
unchecked
{
const int hashingBase = (int)2166136261;
const int hashingMultiplier = 16777619;
var hash = hashingBase;
hash = (hash * hashingMultiplier) ^ (!(Name is null) ? Name.GetHashCode() : 0);
hash = (hash * hashingMultiplier) ^ (GetType().GetHashCode());
hash = (hash * hashingMultiplier) ^ (!(TextValue is null) ? TextValue.GetHashCode() : 0);
hash = (hash * hashingMultiplier) ^ (!(ValueLength is null) ? ValueLength.GetHashCode() : 0);
return(hash);
}
}
/// <summary>
/// Determines whether a specified file is an ACR-NEMA file.
/// </summary>
public static bool IsAcrNemaFile(string fileName)
{
FileStream fileStream = new FileStream(fileName, FileMode.Open,
FileAccess.Read);
bool isStrictDecoded = ValueRepresentation.IsStrictDecoded;
ValueRepresentation.IsStrictDecoded = false;
try
{
Tag tag = new Tag(fileStream, TransferSyntax.Default);
ValueRepresentation vr =
ValueRepresentation.LoadFrom(fileStream, tag);
if (vr.IsUndefined)
{
return(false);
}
ValueLength valueLength = new ValueLength(fileStream, vr);
Value value = null;
if (fileStream.Position + valueLength.Value <= fileStream.Length)
{
value = new Value(fileStream, vr, valueLength);
}
else
{
return(false);
}
return(true);
}
catch (Exception e)
{
return(false);
}
finally
{
fileStream.Close();
ValueRepresentation.IsStrictDecoded = isStrictDecoded;
}
}
public virtual void GetBytes(byte[] bytes, ref int startIndex)
{
CopyBytes(bytes, ref startIndex, ((UInt16)AttributeType).GetBigendianBytes());
CopyBytes(bytes, ref startIndex, ValueLength.GetBigendianBytes());
}
