public void OnElement_ValidData_AddsCorrectTypeToDataset(DicomTag tag, DicomVR vr, string data, Type expected) { var dataset = new DicomDataset(); var observer = new DicomDatasetReaderObserver(dataset); var buffer = new MemoryByteBuffer(Encoding.ASCII.GetBytes(data)); observer.OnElement(null, tag, vr, buffer); Assert.IsType(expected, dataset.First()); }
public new static IAsyncResult BeginOpen(string fileName, AsyncCallback callback, object state) { var df = new DicomDirectory(); // reset datasets df.FileMetaInfo.Clear(); df.Dataset.Clear(); df.File = new FileReference(fileName); FileByteSource source = new FileByteSource(df.File); EventAsyncResult result = new EventAsyncResult(callback, state); DicomFileReader reader = new DicomFileReader(); var datasetObserver = new DicomDatasetReaderObserver(df.Dataset); var dirObserver = new DicomDirectoryReaderObserver(df.Dataset); reader.BeginRead(source, new DicomDatasetReaderObserver(df.FileMetaInfo), new DicomReaderMultiObserver(datasetObserver, dirObserver), OnReadComplete, new Tuple<DicomFileReader, DicomDirectory, DicomDirectoryReaderObserver, EventAsyncResult>(reader, df, dirObserver, result)); return result; }
public new static DicomDirectory Open(string fileName) { var df = new DicomDirectory(); // reset datasets df.FileMetaInfo.Clear(); df.Dataset.Clear(); try { df.File = new FileReference(fileName); using (var source = new FileByteSource(df.File)) { DicomFileReader reader = new DicomFileReader(); var datasetObserver = new DicomDatasetReaderObserver(df.Dataset); var dirObserver = new DicomDirectoryReaderObserver(df.Dataset); reader.Read(source, new DicomDatasetReaderObserver(df.FileMetaInfo), new DicomReaderMultiObserver(datasetObserver, dirObserver)); df.Format = reader.FileFormat; df.Dataset.InternalTransferSyntax = reader.Syntax; df._directoryRecordSequence = df.Dataset.Get<DicomSequence>(DicomTag.DirectoryRecordSequence); df.RootDirectoryRecord = dirObserver.BuildDirectoryRecords(); return df; } } catch (Exception e) { throw new DicomFileException(df, e.Message, e); } }
/// <summary> /// Asynchronously read DICOM Directory. /// </summary> /// <param name="fileName">File name.</param> /// <param name="fallbackEncoding">Encoding to apply if it cannot be identified from DICOM directory.</param> /// <param name="stop">Stop criterion in dataset.</param> /// <returns>Awaitable <see cref="DicomDirectory"/> instance.</returns> public static new async Task<DicomDirectory> OpenAsync(string fileName, Encoding fallbackEncoding, Func<ParseState, bool> stop = null) { if (fallbackEncoding == null) { throw new ArgumentNullException("fallbackEncoding"); } var df = new DicomDirectory(); // reset datasets df.FileMetaInfo.Clear(); df.Dataset.Clear(); try { df.File = IOManager.CreateFileReference(fileName); using (var source = new FileByteSource(df.File)) { var reader = new DicomFileReader(); var datasetObserver = new DicomDatasetReaderObserver(df.Dataset, fallbackEncoding); var dirObserver = new DicomDirectoryReaderObserver(df.Dataset); var result = await reader.ReadAsync( source, new DicomDatasetReaderObserver(df.FileMetaInfo), new DicomReaderMultiObserver(datasetObserver, dirObserver), stop).ConfigureAwait(false); if (result == DicomReaderResult.Processing) { throw new DicomFileException(df, "Invalid read return state: {state}", result); } if (result == DicomReaderResult.Error) { return null; } df.IsPartial = result == DicomReaderResult.Stopped || result == DicomReaderResult.Suspended; df.Format = reader.FileFormat; df.Dataset.InternalTransferSyntax = reader.Syntax; df._directoryRecordSequence = df.Dataset.Get<DicomSequence>(DicomTag.DirectoryRecordSequence); df.RootDirectoryRecord = dirObserver.BuildDirectoryRecords(); return df; } } catch (Exception e) { throw new DicomFileException(df, e.Message, e); } }