public AsyncVolumeSliceSopFrameData(int frameNumber, AsyncVolumeSliceSopDataSource parent)
: base(frameNumber, parent)
{
if (Parent.Slice.VolumeReference is ICachedVolumeReference)
{
_cachedVolumeReference = (ICachedVolumeReference)Parent.Slice.VolumeReference.Clone();
}
}
protected override void Dispose(bool disposing)
{
if (disposing && _cachedVolumeReference != null)
{
_cachedVolumeReference.Dispose();
_cachedVolumeReference = null;
}
base.Dispose(disposing);
}
protected override void AsyncCreateNormalizedPixelData(Action <byte[], Exception> onComplete)
{
// only ICachedVolumeReference provides for dynamic loading of the volume - a standard IVolumeReference is a hard reference to a loaded volume
if (_cachedVolumeReference == null)
{
onComplete.Invoke(Parent.Slice.GetPixelData(), null);
}
else if (_asyncVolumeLoaderReference == null)
{
var volume = _asyncVolumeLoaderReference = (ICachedVolumeReference)_cachedVolumeReference.Clone();
volume.Lock();
if (!volume.IsLoaded)
{
volume.ProgressChanged += (s, e) => UpdateProgress((int)volume.Progress, null);
InitializeProgress((int)volume.Progress);
var task = volume.LoadAsync();
if (task == null)
{
var pixelData = Parent.Slice.GetPixelData();
onComplete.Invoke(pixelData, null);
return;
}
task.ContinueWith(t =>
{
try
{
if (t.IsFaulted && t.Exception != null)
{
onComplete.Invoke(null, t.Exception.Flatten().InnerExceptions.FirstOrDefault());
}
else
{
var pixelData = Parent.Slice.GetPixelData();
UpdateProgress(100, pixelData);
onComplete.Invoke(pixelData, null);
}
}
catch (Exception ex)
{
onComplete.Invoke(null, ex);
}
finally
{
volume.Unlock();
volume.Dispose();
_asyncVolumeLoaderReference = null;
}
});
}
}
}
protected override void AsyncCreateNormalizedPixelData(Action<byte[], Exception> onComplete)
{
// only ICachedVolumeReference provides for dynamic loading of the volume - a standard IVolumeReference is a hard reference to a loaded volume
if (_cachedVolumeReference == null)
{
onComplete.Invoke(Parent.Slice.GetPixelData(), null);
}
else if (_asyncVolumeLoaderReference == null)
{
var volume = _asyncVolumeLoaderReference = (ICachedVolumeReference) _cachedVolumeReference.Clone();
volume.Lock();
if (!volume.IsLoaded)
{
volume.ProgressChanged += (s, e) => UpdateProgress((int) volume.Progress, null);
InitializeProgress((int) volume.Progress);
var task = volume.LoadAsync();
if (task == null)
{
var pixelData = Parent.Slice.GetPixelData();
onComplete.Invoke(pixelData, null);
return;
}
task.ContinueWith(t =>
{
try
{
if (t.IsFaulted && t.Exception != null)
{
onComplete.Invoke(null, t.Exception.Flatten().InnerExceptions.FirstOrDefault());
}
else
{
var pixelData = Parent.Slice.GetPixelData();
UpdateProgress(100, pixelData);
onComplete.Invoke(pixelData, null);
}
}
catch (Exception ex)
{
onComplete.Invoke(null, ex);
}
finally
{
volume.Unlock();
volume.Dispose();
_asyncVolumeLoaderReference = null;
}
});
}
}
}
protected override void Dispose(bool disposing)
{
if (disposing && _cachedVolumeReference != null)
{
_cachedVolumeReference.Dispose();
_cachedVolumeReference = null;
}
base.Dispose(disposing);
}
public AsyncVolumeSliceSopFrameData(int frameNumber, AsyncVolumeSliceSopDataSource parent)
: base(frameNumber, parent)
{
if (Parent.Slice.VolumeReference is ICachedVolumeReference)
{
_cachedVolumeReference = (ICachedVolumeReference) Parent.Slice.VolumeReference.Clone();
}
}
