/// <summary>
/// Generates a concrete element class from the VR, tag, data and syntax. Also directs the appropriate data
/// interpretation.
/// </summary>
/// <param name="tag">the tag of the element to be generated</param>
/// <param name="vr">the VR of the element to be generated</param>
/// <param name="data">the raw data to be procesed (byte array)</param>
/// <param name="syntax">the transfer syntax by which to interepret the data</param>
/// <returns>a concrete DICOM element that uses the interface IDICOMElement</returns>
public static IDICOMElement GenerateElement(Tag tag, VR vr, object data, TransferSyntax syntax, StringEncoding enc)
{
//HANDLE NUMBERS
if (syntax == TransferSyntax.EXPLICIT_VR_BIG_ENDIAN)
{
switch (vr)
{
case VR.AttributeTag:
return(new AttributeTag(tag, BigEndianReader.ReadTag(data as byte[])));
case VR.FloatingPointDouble:
return(new FloatingPointDouble(tag, BigEndianReader.ReadDoublePrecision(data as byte[])));
case VR.FloatingPointSingle:
return(new FloatingPointSingle(tag, BigEndianReader.ReadSinglePrecision(data as byte[])));
case VR.SignedLong:
return(new SignedLong(tag, BigEndianReader.ReadSignedLong(data as byte[])));
case VR.SignedShort:
return(new SignedShort(tag, BigEndianReader.ReadSignedShort(data as byte[])));
case VR.UnsignedLong:
return(new UnsignedLong(tag, BigEndianReader.ReadUnsignedLong(data as byte[])));
case VR.UnsignedShort:
return(new UnsignedShort(tag, BigEndianReader.ReadUnsignedShort(data as byte[])));
}
}
else
{
switch (vr)
{
case VR.AttributeTag:
return(new AttributeTag(tag, LittleEndianReader.ReadTag(data as byte[])));
case VR.FloatingPointDouble:
return(new FloatingPointDouble(tag, LittleEndianReader.ReadDoublePrecision(data as byte[])));
case VR.FloatingPointSingle:
return(new FloatingPointSingle(tag, LittleEndianReader.ReadSinglePrecision(data as byte[])));
case VR.SignedLong:
return(new SignedLong(tag, LittleEndianReader.ReadSignedLong(data as byte[])));
case VR.SignedShort:
return(new SignedShort(tag, LittleEndianReader.ReadSignedShort(data as byte[])));
case VR.UnsignedLong:
return(new UnsignedLong(tag, LittleEndianReader.ReadUnsignedLong(data as byte[])));
case VR.UnsignedShort:
return(new UnsignedShort(tag, LittleEndianReader.ReadUnsignedShort(data as byte[])));
}
}
//HANDLE ALL OTHERS
switch (vr)
{
//HANDLE STRINGS
case VR.AgeString:
case VR.ApplicationEntity:
case VR.CodeString:
case VR.Date:
case VR.DateTime:
case VR.DecimalString:
case VR.IntegerString:
case VR.LongString:
case VR.LongText:
case VR.PersonName:
case VR.ShortString:
case VR.ShortText:
case VR.Time:
case VR.UnlimitedCharacter:
case VR.UnlimitedText:
case VR.UniversalResourceId:
case VR.UniqueIdentifier:
return(ReadString(vr, tag, data, enc));
//HANDLE BYTE DATA
case VR.Sequence:
return(new Sequence {
Tag = tag, Items = SequenceReader.ReadItems(data as byte[], syntax, enc)
});
case VR.OtherByteString:
return(new OtherByteString(tag, data as byte[]));
case VR.OtherFloatString:
return(new OtherFloatString(tag, data as byte[]));
case VR.OtherWordString:
return(new OtherWordString(tag, data as byte[]));
case VR.OtherDoubleString:
return(new OtherDoubleString(tag, data as byte[]));
case VR.OtherLongString:
return(new OtherLongString(tag, data as byte[]));
default:
var unk = new Unknown(tag, data as byte[]);
unk.TransferSyntax = syntax;
return(unk);
}
}
