/// <summary>
/// Deserializes the specified overlay activation module.
/// </summary>
/// <remarks>
/// This method must be called after <see cref="DeserializeOverlayPlane">the overlay planes have been deserialized</see>.
/// </remarks>
/// <param name="overlayActivationModule"></param>
/// <param name="image"></param>
protected void DeserializeOverlayActivation(OverlayActivationModuleIod overlayActivationModule, T image)
{
if (!_overlayPlanesDeserialized)
{
throw new InvalidOperationException("Overlay planes must be deserialized first.");
}
DicomGraphicsPlane dicomGraphicsPlane = DicomGraphicsPlane.GetDicomGraphicsPlane(image, true);
for (int n = 0; n < 16; n++)
{
if (overlayActivationModule.HasOverlayActivationLayer(n))
{
string targetLayer = overlayActivationModule[n].OverlayActivationLayer ?? string.Empty;
if (dicomGraphicsPlane.PresentationOverlays.Contains(n))
{
if (string.IsNullOrEmpty(targetLayer))
{
dicomGraphicsPlane.PresentationOverlays.Deactivate(n);
}
else
{
dicomGraphicsPlane.PresentationOverlays.ActivateAsLayer(n, targetLayer);
}
dicomGraphicsPlane.ImageOverlays.Deactivate(n);
}
else if (dicomGraphicsPlane.ImageOverlays.Contains(n))
{
if (string.IsNullOrEmpty(targetLayer))
{
dicomGraphicsPlane.ImageOverlays.Deactivate(n);
}
else
{
dicomGraphicsPlane.ImageOverlays.ActivateAsLayer(n, targetLayer);
}
}
}
else
{
// if the module is missing entirely, then the presentation state is poorly encoded.
// for patient safety reasons, we override the DICOM stipulation that only one of
// these two should be shown and show both instead.
dicomGraphicsPlane.PresentationOverlays.ActivateAsLayer(n, "OVERLAY");
dicomGraphicsPlane.ImageOverlays.ActivateAsLayer(n, "OVERLAY");
}
}
}
protected void SerializeOverlayActivation(OverlayActivationModuleIod overlayActivationModule, IOverlayMapping overlayMapping, DicomPresentationImageCollection <T> images)
{
// Doesn't support multiframe or whatever case it is when we get more than one image serialized to one state
for (int n = 0; n < 16; n++)
{
OverlayPlaneGraphic overlay = overlayMapping[n];
if (overlay != null)
{
if (overlay.ParentGraphic is ILayer)
{
overlayActivationModule[n].OverlayActivationLayer = ((ILayer)overlay.ParentGraphic).Id;
}
else
{
overlayActivationModule.Delete(n);
}
}
}
}
