public static bool ProcessPixelRequest(HttpContext context)
{
HttpRequest request = context.Request;
HttpResponse response = context.Response;
if (!IsPixelRequest(request))
{
return(false);
}
ImageSetParameters parameters = new ImageSetParameters();
string imageName = string.Empty;
string nameSpaceQualifiedTypeName = string.Empty;
parameters = GetParameters(request, out imageName, out nameSpaceQualifiedTypeName);
if (string.IsNullOrEmpty(nameSpaceQualifiedTypeName))
{
return(ProcessResourceRequest(imageName, parameters));
}
try
{
//object retVal = method.Invoke(null, (object[])parameters);
IImageSet retVal = GetImageSet(nameSpaceQualifiedTypeName, parameters);
if (retVal == null)
{
response.Clear();
response.StatusCode = 404;
response.Status = "Image not found";
context.ApplicationInstance.CompleteRequest();
return(true);
}
IImageSet imageSet = (IImageSet)retVal;
MemoryStream ms = new MemoryStream();
// saving to a memory stream isn't necessary for jpeg but I'm leaving this in just in case I change the format to png later
imageSet[imageName].Save(ms, ImageFormat.Png);
response.Clear();
//TODO: Parameterize the content type/ImageFormat
response.ContentType = "image/Png"; // this must match the ImageFormat in the Save call above
ms.WriteTo(response.OutputStream);
imageSet.Dispose();
context.ApplicationInstance.CompleteRequest();
}
catch (Exception ex)
{
LogManager.CurrentLog.AddEntry("An error occurred processing PixelServer request:\r\n Parameters: {0}", ex, new string[] { parameters.ToString() });
}
return(true);
}
public void Test()
{
IImageSet imageSet1 = CreateImageSet("Patient1", "Patient1");
IImageSet imageSet2 = CreateImageSet("Patient1", "Patient1");
ImageSetCollection collection = new ImageSetCollection();
collection.Add(imageSet1);
collection.Add(imageSet2);
ImageSetGroups groups = new ImageSetGroups(collection);
Assert.IsTrue(groups.Root.Items.Count == 0);
Assert.IsTrue(groups.Root.ChildGroups.Count == 1);
Assert.IsTrue(groups.Root.ChildGroups[0].Items.Count == 2);
imageSet1.Dispose();
imageSet2.Dispose();
}
private void BuildFromStudy(Study study)
{
IImageSet existing = GetImageSet(study.StudyInstanceUid);
//if (existing != null)
//{
// var descriptor = (IDicomImageSetDescriptor)existing.Descriptor;
// if (descriptor.LoadStudyError == null)
// {
// // Abort if valid image set has already been added.
// return;
// }
//}
var imageSet = CreateImageSet(GetStudyIdentifier(study));
if (imageSet.Uid != study.StudyInstanceUid)
{
throw new InvalidOperationException("ImageSet Uid must be the same as Study Instance Uid.");
}
SortSeries(study.Series);
foreach (Series series in study.Series)
{
SortSops(series.Sops);
}
FillImageSet(imageSet, study);
if (existing == null)
{
AddImageSet(imageSet);
}
else
{
LogicalWorkspace.ImageSets[LogicalWorkspace.ImageSets.IndexOf(existing)] = imageSet;
existing.Dispose();
}
}
