/// <summary>
/// Deserializes the key object selection SOP instance into a list of constituent images and associated presentation states.
/// </summary>
public IList <IKeyObjectContentItem> Deserialize()
{
List <IKeyObjectContentItem> contentItems = new List <IKeyObjectContentItem>();
SrDocumentContentModuleIod srDocument = _document.SrDocumentContent;
if (srDocument.ContentSequence != null)
{
foreach (IContentSequence contentItem in srDocument.ContentSequence.Where(contentItem => contentItem.RelationshipType == RelationshipType.Contains))
{
if (contentItem.ValueType == ValueType.Image)
{
IImageReferenceMacro imageReference = contentItem;
if (imageReference.ReferencedSopSequence == null)
{
Platform.Log(LogLevel.Warn, "Invalid Key Object Selection document has no Referenced SOP Sequence.");
continue;
}
string referencedSopInstanceUid = imageReference.ReferencedSopSequence.ReferencedSopInstanceUid;
string presentationStateSopInstanceUid = null;
if (imageReference.ReferencedSopSequence.ReferencedSopSequence != null)
{
presentationStateSopInstanceUid = imageReference.ReferencedSopSequence.ReferencedSopSequence.ReferencedSopInstanceUid;
}
string referencedFrameNumbers = imageReference.ReferencedSopSequence.ReferencedFrameNumber;
int[] frameNumbers;
if (!string.IsNullOrEmpty(referencedFrameNumbers) &&
DicomStringHelper.TryGetIntArray(referencedFrameNumbers, out frameNumbers) && frameNumbers.Length > 0)
{
foreach (int frameNumber in frameNumbers)
{
KeyImageContentItem item = new KeyImageContentItem(referencedSopInstanceUid, frameNumber, presentationStateSopInstanceUid, _document);
contentItems.Add(item);
}
}
else
{
KeyImageContentItem item = new KeyImageContentItem(referencedSopInstanceUid, presentationStateSopInstanceUid, _document);
contentItems.Add(item);
}
}
}
}
else
{
Platform.Log(LogLevel.Warn, "Invalid Key Object Selection document has no Content Sequence.");
}
return(contentItems.AsReadOnly());
}
protected virtual List<IPresentationImage> CreateImages(KeyImageContentItem item)
{
List<IPresentationImage> images = new List<IPresentationImage>();
ImageSop imageSop = FindReferencedImageSop(item.ReferencedImageSopInstanceUid, item.Source.GeneralStudy.StudyInstanceUid);
if (imageSop != null)
{
int frameNumber = item.FrameNumber.GetValueOrDefault(-1);
if (item.FrameNumber.HasValue)
{
// FramesCollection is a 1-based index!!!
if (frameNumber > 0 && frameNumber <= imageSop.Frames.Count)
{
images.Add(Create(imageSop.Frames[frameNumber]));
}
else
{
Platform.Log(LogLevel.Error, "The referenced key image {0} does not have a frame {1} (referenced in Key Object Selection {2})", item.ReferencedImageSopInstanceUid, frameNumber, item.Source.SopCommon.SopInstanceUid);
images.Add(new KeyObjectPlaceholderImage(SR.MessageReferencedKeyImageFrameNotFound));
}
}
else
{
foreach (Frame frame in imageSop.Frames)
{
images.Add(Create(frame));
}
}
Sop presentationStateSop = FindReferencedSop(item.PresentationStateSopInstanceUid, item.Source.GeneralStudy.StudyInstanceUid);
if (presentationStateSop != null)
{
foreach (IPresentationImage image in images)
{
if (image is IPresentationStateProvider)
{
try
{
IPresentationStateProvider presentationStateProvider = (IPresentationStateProvider)image;
presentationStateProvider.PresentationState = DicomSoftcopyPresentationState.Load(presentationStateSop.DataSource);
}
catch (Exception ex)
{
Platform.Log(LogLevel.Warn, ex, SR.MessagePresentationStateReadFailure);
}
}
}
}
}
else
{
Platform.Log(LogLevel.Warn, "The referenced key image {0} is not loaded as part of the current study (referenced in Key Object Selection {1})", item.ReferencedImageSopInstanceUid, item.Source.SopCommon.SopInstanceUid);
images.Add(new KeyObjectPlaceholderImage(SR.MessageReferencedKeyImageFromOtherStudy));
}
return images;
}
/// <summary>
/// Deserializes the key object selection SOP instance into a list of constituent images and associated presentation states.
/// </summary>
public IList<IKeyObjectContentItem> Deserialize()
{
List<IKeyObjectContentItem> contentItems = new List<IKeyObjectContentItem>();
SrDocumentContentModuleIod srDocument = _document.SrDocumentContent;
if (srDocument.ContentSequence != null)
{
foreach (IContentSequence contentItem in srDocument.ContentSequence.Where(contentItem => contentItem.RelationshipType == RelationshipType.Contains))
{
if (contentItem.ValueType == ValueType.Image)
{
IImageReferenceMacro imageReference = contentItem;
if (imageReference.ReferencedSopSequence == null)
{
Platform.Log(LogLevel.Warn, "Invalid Key Object Selection document has no Referenced SOP Sequence.");
continue;
}
string referencedSopInstanceUid = imageReference.ReferencedSopSequence.ReferencedSopInstanceUid;
string presentationStateSopInstanceUid = null;
if (imageReference.ReferencedSopSequence.ReferencedSopSequence != null)
{
presentationStateSopInstanceUid = imageReference.ReferencedSopSequence.ReferencedSopSequence.ReferencedSopInstanceUid;
}
string referencedFrameNumbers = imageReference.ReferencedSopSequence.ReferencedFrameNumber;
int[] frameNumbers;
if (!string.IsNullOrEmpty(referencedFrameNumbers)
&& DicomStringHelper.TryGetIntArray(referencedFrameNumbers, out frameNumbers) && frameNumbers.Length > 0)
{
foreach (int frameNumber in frameNumbers)
{
KeyImageContentItem item = new KeyImageContentItem(referencedSopInstanceUid, frameNumber, presentationStateSopInstanceUid, _document);
contentItems.Add(item);
}
}
else
{
KeyImageContentItem item = new KeyImageContentItem(referencedSopInstanceUid, presentationStateSopInstanceUid, _document);
contentItems.Add(item);
}
}
}
}
else
{
Platform.Log(LogLevel.Warn, "Invalid Key Object Selection document has no Content Sequence.");
}
return contentItems.AsReadOnly();
}
