public void GetEncoding_NonMatchingCharset_ReturnsUSASCII()
{
var expected = Encoding.ASCII.CodePage;
var actual = DicomEncoding.GetEncoding("GBK").CodePage;
Assert.Equal(expected, actual);
}
public void GetCharset_GB18030()
{
var expected = "GB18030";
var encoding = DicomEncoding.GetEncoding("GB18030");
var actual = DicomEncoding.GetCharset(encoding);
Assert.Equal(expected, actual);
}
public void GetEncoding_GB18030() //https://github.com/fo-dicom/fo-dicom/issues/481
{
int codePage = 0;
var exception = Record.Exception(() => { codePage = DicomEncoding.GetEncoding("GB18030").CodePage; });
Assert.Null(exception);
Assert.Equal(54936, codePage);
}
public void DicomPersonNameConstructorTest1()
{
DicomPersonName target = new DicomPersonName(DicomTag.PatientName, DicomEncoding.GetEncoding("ISO IR 144"), "Тарковский", "Андрей", "Арсеньевич");
byte[] b = target.Buffer.GetByteRange(0, (int)target.Buffer.Size);
byte[] c = Encoding.GetEncoding("iso-8859-5").GetBytes("Тарковский^Андрей^Арсеньевич");
Assert.Equal(c, b);
// foloowing test checks also padding with space!
target = new DicomPersonName(DicomTag.PatientName, DicomEncoding.GetEncoding("ISO IR 144"), "Тарковский", "Андрей");
b = target.Buffer.GetByteRange(0, (int)target.Buffer.Size);
c = Encoding.GetEncoding("iso-8859-5").GetBytes("Тарковский^Андрей ");
Assert.Equal(c, b);
}
public void DicomFile_OpenUtf8Encoding_SwedishCharactersMaintained()
{
var expected = "Händer Å Fötter";
var tag = DicomTag.DoseComment;
var dataset = new DicomDataset(
new DicomUniqueIdentifier(DicomTag.SOPClassUID, DicomUID.RTDoseStorage),
new DicomUniqueIdentifier(DicomTag.SOPInstanceUID, "1.2.3"),
new DicomLongString(tag, DicomEncoding.GetEncoding("ISO IR 192"), expected));
var outFile = new DicomFile(dataset);
var stream = new MemoryStream();
outFile.Save(stream);
stream.Seek(0, SeekOrigin.Begin);
var inFile = DicomFile.Open(stream, DicomEncoding.GetEncoding("ISO IR 192"));
var actual = inFile.Dataset.Get <string>(tag);
Assert.Equal(expected, actual);
}
public void DicomFile_OpenUtf8Encoding_SwedishCharactersMaintained()
{
var expected = "Händer Å Fötter";
var tag = DicomTag.DoseComment;
var dataset = new DicomDataset(MinimumDatatset);
dataset.Add(new DicomLongString(tag, DicomEncoding.GetEncoding("ISO IR 192"), expected));
var outFile = new DicomFile(dataset);
var stream = new MemoryStream();
outFile.Save(stream);
stream.Seek(0, SeekOrigin.Begin);
var inFile = DicomFile.Open(stream, DicomEncoding.GetEncoding("ISO IR 192"));
var actual = inFile.Dataset.Get <string>(tag);
Assert.Equal(expected, actual);
}
public void Anonymize_PatientName_ShouldUseOriginalDicomEncoding()
{
const string fileName = "GH064.dcm";
#if NETFX_CORE
var orignalDicom = Dicom.Helpers.ApplicationContent.OpenDicomFileAsync($"Data/{fileName}").Result;
#else
var orignalDicom = DicomFile.Open($"./Test Data/{fileName}");
#endif
var securityProfile = Dicom.DicomAnonymizer.SecurityProfile.LoadProfile(null, Dicom.DicomAnonymizer.SecurityProfileOptions.BasicProfile);
securityProfile.PatientName = "kökö";
var dicomAnonymizer = new Dicom.DicomAnonymizer(securityProfile);
var anonymizedDicom = dicomAnonymizer.Anonymize(orignalDicom);
// Ensure that we are using valid input data for test.
Assert.Equal(Encoding.ASCII, DicomEncoding.Default);
Assert.NotEqual(DicomEncoding.GetEncoding(orignalDicom.Dataset.GetString(DicomTag.SpecificCharacterSet)), DicomEncoding.Default);
// Ensure DICOM encoding same as original.
Assert.Equal(orignalDicom.Dataset.GetString(DicomTag.SpecificCharacterSet), orignalDicom.Dataset.GetString(DicomTag.SpecificCharacterSet));
Assert.Equal("kökö", anonymizedDicom.Dataset.GetString(DicomTag.PatientName));
}
/// <summary>Anonymizes a dataset witout cloning</summary>
/// <param name="dataset">The dataset to be altered</param>
public void AnonymizeInPlace(DicomDataset dataset)
{
var toRemove = new List <DicomItem>();
var itemList = dataset.ToArray();
var encoding = DicomEncoding.Default;
if (dataset.TryGetSingleValue <string>(DicomTag.SpecificCharacterSet, out var characterSet))
{
encoding = DicomEncoding.GetEncoding(characterSet);
}
foreach (var item in itemList)
{
var parenthesis = new[] { '(', ')' };
var tag = item.Tag.ToString().Trim(parenthesis);
var action = Profile.FirstOrDefault(pair => pair.Key.IsMatch(tag));
if (action.Key != null)
{
var vr = item.ValueRepresentation;
switch (action.Value)
{
case SecurityProfileActions.U: // UID
case SecurityProfileActions.C: // Clean
case SecurityProfileActions.D: // Dummy
if (vr == DicomVR.UI)
{
ReplaceUID(dataset, item);
}
else if (vr.ValueType == typeof(string))
{
ReplaceString(dataset, encoding, item, "ANONYMOUS");
}
else
{
BlankItem(dataset, item, true);
}
break;
case SecurityProfileActions.K: // Keep
break;
case SecurityProfileActions.X: // Remove
toRemove.Add(item);
break;
case SecurityProfileActions.Z: // Zero-length
BlankItem(dataset, item, false);
break;
default:
throw new ArgumentOutOfRangeException(nameof(action));
}
}
if (item.Tag.Equals(DicomTag.PatientName) && Profile.PatientName != null)
{
ReplaceString(dataset, encoding, item, Profile.PatientName);
}
else if (item.Tag.Equals(DicomTag.PatientID) && Profile.PatientID != null)
{
ReplaceString(dataset, encoding, item, Profile.PatientID);
}
}
dataset.Remove(item => toRemove.Contains(item));
}
