private void SortImagesAndValidate(
PresentationImageCollection orderedCollection,
PresentationImageCollection nonOrderedCollection,
bool reverse,
IComparer <IPresentationImage> comparer,
TraceDelegate trace)
{
if (reverse)
{
PresentationImageCollection reversedCollection = new PresentationImageCollection();
for (int i = orderedCollection.Count - 1; i >= 0; --i)
{
reversedCollection.Add(orderedCollection[i]);
}
orderedCollection = reversedCollection;
}
Randomize(orderedCollection, nonOrderedCollection);
Debug.WriteLine("NON-ORDERED COLLECTION (PRE-SORT)\n");
trace(nonOrderedCollection);
//Be certain it is currently *not* in order.
Assert.IsFalse(VerifyOrdered(orderedCollection, nonOrderedCollection));
//Sort it.
nonOrderedCollection.Sort(comparer);
Debug.WriteLine("NON-ORDERED COLLECTION (POST-SORT)");
trace(nonOrderedCollection);
//It should now be in the proper order.
Assert.IsTrue(VerifyOrdered(orderedCollection, nonOrderedCollection));
}
private void AppendCollection(PresentationImageCollection collection, IEnumerable <PresentationImage> listImages)
{
foreach (PresentationImage image in listImages)
{
collection.Add(image);
}
}
private IPresentationImage FindRequiredImage(PresentationImageCollection images, string studyInstanceUid, string seriesInstanceUid, string sopInstanceUid)
{
return(CollectionUtils.SelectFirst(
images, image =>
{
var imageSopProvider = image as IImageSopProvider;
return imageSopProvider != null && imageSopProvider.ImageSop.StudyInstanceUid == studyInstanceUid &&
imageSopProvider.ImageSop.SeriesInstanceUid == seriesInstanceUid && imageSopProvider.ImageSop.SopInstanceUid == sopInstanceUid;
}));
}
private bool VerifyOrdered(
PresentationImageCollection orderedCollection,
PresentationImageCollection nonOrderedCollection)
{
Assert.AreEqual(orderedCollection.Count, nonOrderedCollection.Count);
int index = 0;
foreach (PresentationImage orderedImage in orderedCollection)
{
IPresentationImage nonOrderedImage = nonOrderedCollection[index];
if (!(orderedImage is DicomGrayscalePresentationImage) && !(nonOrderedImage is DicomGrayscalePresentationImage))
{
++index;
continue;
}
if (!(orderedImage is DicomGrayscalePresentationImage) && (nonOrderedImage is DicomGrayscalePresentationImage))
{
return(false);
}
if ((orderedImage is DicomGrayscalePresentationImage) && !(nonOrderedImage is DicomGrayscalePresentationImage))
{
return(false);
}
DicomGrayscalePresentationImage dicomOrdered = orderedImage as DicomGrayscalePresentationImage;
DicomGrayscalePresentationImage dicomNonOrdered = nonOrderedImage as DicomGrayscalePresentationImage;
if (dicomOrdered.ImageSop.StudyInstanceUid != dicomNonOrdered.ImageSop.StudyInstanceUid ||
dicomOrdered.ImageSop.SeriesInstanceUid != dicomNonOrdered.ImageSop.SeriesInstanceUid ||
dicomOrdered.ImageSop.InstanceNumber != dicomNonOrdered.ImageSop.InstanceNumber)
{
return(false);
}
++index;
}
return(true);
}
private void TestSortingDicomImagesByInstanceAndFrameNumber(bool reverse)
{
PresentationImageCollection orderedCollection = new PresentationImageCollection();
PresentationImageCollection nonOrderedCollection = new PresentationImageCollection();
AppendCollection(orderedCollection, NewDicomSeries("123", "1", 1, 25));
AppendCollection(orderedCollection, NewDicomSeries("123", "10", 1, 25));
AppendCollection(orderedCollection, NewDicomSeries("123", "111", 1, 25));
AppendCollection(orderedCollection, NewDicomSeries("123", "456", 1, 25));
AppendCollection(orderedCollection, NewDicomSeries("123", "789", 1, 25));
//Note that the seriesUID are *not* in numerical order. This is because
//it is a string comparison that is being done.
AppendCollection(orderedCollection, NewDicomSeries("a", "1", 1, 25));
AppendCollection(orderedCollection, NewDicomSeries("a", "11", 1, 25));
AppendCollection(orderedCollection, NewDicomSeries("a", "12", 1, 25));
AppendCollection(orderedCollection, NewDicomSeries("a", "6", 1, 25));
AppendCollection(orderedCollection, NewDicomSeries("a", "7", 1, 25));
AppendCollection(orderedCollection, NewDicomSeries("b", "20", 1, 25));
AppendCollection(orderedCollection, NewDicomSeries("b", "21", 1, 25));
AppendCollection(orderedCollection, NewDicomSeries("b", "33", 1, 25));
AppendCollection(orderedCollection, NewDicomSeries("b", "34", 1, 25));
AppendCollection(orderedCollection, NewDicomSeries("b", "40", 1, 25));
//just put one of these at the end, it's enough. We just want to see
// that non-Dicom images get pushed to one end (depending on forward/reverse).
orderedCollection.Add(new MockPresentationImage());
SortImagesAndValidate(orderedCollection, nonOrderedCollection, reverse,
new InstanceAndFrameNumberComparer(reverse), TraceInstanceAndFrameNumbers);
foreach (PresentationImage image in nonOrderedCollection)
{
image.Dispose();
}
foreach (PresentationImage image in orderedCollection)
{
image.Dispose();
}
}
private void TestSortingDicomImagesByAcquisitionTime(bool reverse)
{
PresentationImageCollection orderedCollection = new PresentationImageCollection();
PresentationImageCollection nonOrderedCollection = new PresentationImageCollection();
foreach (IPresentationImage image in GetAcquisitionTimeTestImages())
{
orderedCollection.Add(image);
}
SortImagesAndValidate(orderedCollection, nonOrderedCollection, reverse,
new SliceLocationComparer(reverse), TraceAcquisitionTime);
foreach (PresentationImage image in nonOrderedCollection)
{
image.Dispose();
}
foreach (PresentationImage image in orderedCollection)
{
image.Dispose();
}
}
private void DisposePresentationImages()
{
if (_presentationImages == null)
return;
foreach (PresentationImage image in _presentationImages)
image.Dispose();
_presentationImages.ItemAdded -= OnPresentationImageAdded;
_presentationImages.ItemRemoved -= OnPresentationImageRemoved;
_presentationImages.ItemChanging -= OnPresentationImageChanging;
_presentationImages.ItemChanged -= OnPresentationImageChanged;
_presentationImages = null;
}
