public static UserInfo ReadUserInfo(DICOMBinaryReader dr)
{
AssertItemType(dr, "User Info", ItemType.USER_INFO);
var ui = new UserInfo();
dr.Skip(2); // PDU ID and Reserved Null Byte
var length = LengthReader.ReadBigEndian(dr, 2);
if (length > 0)
{
ui.MaxPDULength = (int)ReadMaxLength(dr);
if (dr.StreamPosition >= dr.StreamLength)
{
return(ui);
}
ui.ImplementationUID = ReadImplementationClassUID(dr);
if (dr.StreamPosition >= dr.StreamLength)
{
return(ui);
}
if (dr.Peek(1)[0] == (byte)ItemType.ASYNCHRONOUS_OPERATIONS_WINDOW)
{
ui.AsynchronousOperations = ReadAsyncOperations(dr);
}
if (dr.StreamPosition >= dr.StreamLength)
{
return(ui);
}
if (dr.Peek(1)[0] == (byte)ItemType.IMPLEMENTATION_VERSION_NAME)
{
ui.ImplementationVersion = ReadImplementationVersion(dr);
}
if (dr.StreamPosition >= dr.StreamLength)
{
return(ui);
}
if (dr.Peek(1)[0] == (byte)ItemType.SCPSCU_ROLE_SELECTION)
{
ui.ImplementationVersion = ReadSCPSCURoleSelection(dr);
}
}
return(ui);
}
public static UserInfo ReadUserInfo(DICOMBinaryReader dr)
{
AssertItemType(dr, "User Info", ItemType.USER_INFO);
var ui = new UserInfo();
dr.Skip(2); // PDU ID and Reserved Null Byte
var length = LengthReader.ReadBigEndian(dr, 2);
if (length > 0)
{
ui.MaxPDULength = (int)ReadMaxLength(dr);
ui.ImplementationUID = ReadImplementationClassUID(dr);
if (dr.Peek(1)[0] == (byte)ItemType.ASYNCHRONOUS_OPERATIONS_WINDOW)
{
ui.AsynchronousOperations = ReadAsyncOperations(dr);
}
ui.ImplementationVersion = ReadImplementationVersion(dr);
}
return(ui);
}
public static (string Value, PreambleStatus Status) Read(string filePath, string group, string element)
{
TransferSyntax syntax = TransferSyntax.IMPLICIT_VR_LITTLE_ENDIAN;
PreambleStatus preambleStatus;
DICOMObject dicomObject = null;
using (var dicomBinaryReader = new DICOMBinaryReader(filePath))
{
preambleStatus = Read(dicomBinaryReader);
if (preambleStatus == PreambleStatus.Ok || preambleStatus == PreambleStatus.MismatchPreamble128)
{
List <IDICOMElement> metaElements = DICOMFileReader.ReadFileMetadata(dicomBinaryReader, ref syntax);
List <IDICOMElement> elements = metaElements.Concat(DICOMElementReader.ReadAllElements(dicomBinaryReader, syntax)).ToList();
dicomObject = new DICOMObject(elements);
}
}
IDICOMElement value = dicomObject?.Elements.FirstOrDefault(d => d.Tag.Group == group && d.Tag.Element == element);
return(value?.DData.ToString(), preambleStatus);
}
/// <summary>
/// Creates a clone of this DICOM object
/// </summary>
/// <returns>a new copied DICOM object</returns>
public DICOMObject Clone()
{
List <IDICOMElement> copy = new List <IDICOMElement>();
foreach (var el in Elements)
{
using (var ms = new MemoryStream())
{
using (var dw = new DICOMBinaryWriter(ms))
{
DICOMElementWriter.Write(dw, DICOMIOSettings.Default(), el);
}
using (var dr = new DICOMBinaryReader(ms.ToArray()))
{
copy.Add(DICOMElementReader.ReadElementImplicitLittleEndian(dr));
}
}
}
return(new DICOMObject(copy));
}
public void WriteDecimalString()
{
var ds = new DecimalString();
ds.DData_ = Enumerable.Range(1, 15000).Select(i => ((double)i) + 0.005).ToList();
ds.Tag = new Tag("00082130");
byte[] written;
var settings = DICOMIOSettings.Default();
using (var ms = new MemoryStream())
{
using (var dw = new DICOMBinaryWriter(ms))
{
DICOMElementWriter.Write(dw, DICOMIOSettings.Default(), ds);
}
written = ms.ToArray();
}
using (var dr = new DICOMBinaryReader(written))
{
var read = DICOMElementReader.ReadElementImplicitLittleEndian(dr) as DecimalString;
CollectionAssert.AreEqual(ds.DData_, read.Data_);
}
}
private static string ReadSCPSCURoleSelection(DICOMBinaryReader dr)
{
return(ReadUIDItem(dr, "SCU/SCP Role", ItemType.SCPSCU_ROLE_SELECTION));
}
public static string ReadImplementationVersion(DICOMBinaryReader dr)
{
return(ReadUIDItem(dr, "Implementation Version", ItemType.IMPLEMENTATION_VERSION_NAME));
}
public static string ReadImplementationClassUID(DICOMBinaryReader dr)
{
return(ReadUIDItem(dr, "Implementation Class UID", ItemType.IMPLEMENTATION_CLASS_UID));
}
public static string ReadApplicationContext(DICOMBinaryReader dr)
{
return(ReadUIDItem(dr, "Application Context", ItemType.APPLICATION_CONTEXT));
}
public static string ReadAbstractSyntax(DICOMBinaryReader dr)
{
return(ReadUIDItem(dr, "Abstact Syntax", ItemType.ABSTRACT_SYNTAX));
}
public static string ReadTransferSyntax(DICOMBinaryReader dr)
{
return(ReadUIDItem(dr, "Transfer Syntax", ItemType.TRANSFER_SYNTAX));
}
