protected void SerializeOverlayPlane(OverlayPlaneModuleIod overlayPlaneModule, out 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
List <OverlayPlaneGraphic> visibleOverlays = new List <OverlayPlaneGraphic>();
foreach (T image in images)
{
DicomGraphicsPlane dicomGraphics = DicomGraphicsPlane.GetDicomGraphicsPlane(image, false);
if (dicomGraphics != null)
{
// identify visible bitmap shutter if exists
OverlayPlaneGraphic bitmapShutter = dicomGraphics.Shutters.ActiveShutter as OverlayPlaneGraphic;
if (bitmapShutter != null)
{
visibleOverlays.Add(bitmapShutter);
}
// identify any visible overlays
visibleOverlays.AddRange(((IEnumerable <ILayer>)dicomGraphics.Layers).Where(l => l.Visible).SelectMany(l => l.Graphics).OfType <OverlayPlaneGraphic>().Where(g => g.Visible));
}
}
OverlayMapping overlayMap = new OverlayMapping();
Queue <OverlayPlaneGraphic> overlaysToRemap = new Queue <OverlayPlaneGraphic>();
// user and presentation state overlays are high priority items to remap
foreach (OverlayPlaneGraphic overlay in CollectionUtils.Select(visibleOverlays, delegate(OverlayPlaneGraphic t) { return(t.Source != OverlayPlaneSource.Image); }))
{
overlaysToRemap.Enqueue(overlay);
}
foreach (OverlayPlaneGraphic overlay in CollectionUtils.Select(visibleOverlays, delegate(OverlayPlaneGraphic t) { return(t.Source == OverlayPlaneSource.Image); }))
{
if (overlayMap[overlay.Index] == null)
{
overlayMap[overlay.Index] = overlay;
}
else
{
overlaysToRemap.Enqueue(overlay); // image overlays are lower priority items to remap, since they will be included in the header anyway
}
}
// seed the overlays to remap into the remaining available overlay groups
for (int n = 0; n < 16 && overlaysToRemap.Count > 0; n++)
{
if (overlayMap[n] == null)
{
overlayMap[n] = overlaysToRemap.Dequeue();
}
}
// serialize the overlays
for (int n = 0; n < 16; n++)
{
OverlayPlaneGraphic overlay = overlayMap[n];
if (overlay != null)
{
if (overlay.Source != OverlayPlaneSource.Image || overlay.Index != n)
{
// only record this overlay in the presentation state if it is being remapped to another group or is not already in the image.
OverlayPlane overlayIod = overlayPlaneModule[n];
overlayIod.OverlayData = overlay.CreateOverlayData(overlayIod.IsBigEndianOW).Raw;
overlayIod.OverlayBitPosition = 0;
overlayIod.OverlayBitsAllocated = 1;
overlayIod.OverlayColumns = overlay.Columns;
overlayIod.OverlayDescription = overlay.Description;
overlayIod.OverlayLabel = overlay.Label;
overlayIod.OverlayOrigin = Point.Round(overlay.Origin);
overlayIod.OverlayRows = overlay.Rows;
overlayIod.OverlaySubtype = overlay.Subtype;
overlayIod.OverlayType = overlay.Type;
overlayIod.RoiArea = null;
overlayIod.RoiMean = null;
overlayIod.RoiStandardDeviation = null;
}
else
{
overlayPlaneModule.Delete(n);
}
}
}
if (overlaysToRemap.Count > 0)
{
Platform.Log(LogLevel.Warn, "Attempt to serialize presentation state with more than 16 visible overlays - some information may be lost.");
}
overlayMapping = overlayMap;
}
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);
}
}
}
}
protected void SerializeBitmapDisplayShutter(BitmapDisplayShutterModuleIod bitmapDisplayShutterModule, 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 IDicomGraphicsPlaneShutters)
{
bitmapDisplayShutterModule.ShutterShape = ShutterShape.Bitmap;
bitmapDisplayShutterModule.ShutterOverlayGroupIndex = n;
bitmapDisplayShutterModule.ShutterPresentationValue = overlay.GrayPresentationValue;
bitmapDisplayShutterModule.ShutterPresentationColorCielabValue = null;
break; // there can only be one
}
}
}
}
