feat(data overlay): add foreground background control plus orientation change in the UI and add RTDOSE support (#5007)

extensions/default/src/init.ts

@@ -22,11 +22,11 @@ export default function init({
     cineService.EVENTS.CINE_STATE_CHANGED,
   ]);
   // Add
-  DicomMetadataStore.subscribe(DicomMetadataStore.EVENTS.INSTANCES_ADDED, handlePETImageMetadata);
+  DicomMetadataStore.subscribe(DicomMetadataStore.EVENTS.INSTANCES_ADDED, handleScalingModules);
 
   // If the metadata for PET has changed by the user (e.g. manually changing the PatientWeight)
   // we need to recalculate the SUV Scaling Factors
-  DicomMetadataStore.subscribe(DicomMetadataStore.EVENTS.SERIES_UPDATED, handlePETImageMetadata);
+  DicomMetadataStore.subscribe(DicomMetadataStore.EVENTS.SERIES_UPDATED, handleScalingModules);
 
   // Adds extra custom attributes for use by hanging protocols
   registerHangingProtocolAttributes({ servicesManager });
@@ -71,7 +71,7 @@ export default function init({
   });
 }
 
-const handlePETImageMetadata = ({ SeriesInstanceUID, StudyInstanceUID }) => {
+const handleScalingModules = ({ SeriesInstanceUID, StudyInstanceUID }) => {
   const { instances } = DicomMetadataStore.getSeries(StudyInstanceUID, SeriesInstanceUID);
 
   if (!instances?.length) {
@@ -80,12 +80,41 @@ const handlePETImageMetadata = ({ SeriesInstanceUID, StudyInstanceUID }) => {
 
   const modality = instances[0].Modality;
 
-  if (!modality || modality !== 'PT') {
+  const allowedModality = ['PT', 'RTDOSE'];
+
+  if (!allowedModality.includes(modality)) {
     return;
   }
 
   const imageIds = instances.map(instance => instance.imageId);
   const instanceMetadataArray = [];
+
+  if (modality === 'RTDOSE') {
+    const DoseGridScaling = instances[0].DoseGridScaling;
+    const DoseSummation = instances[0].DoseSummation;
+    const DoseType = instances[0].DoseType;
+    const DoseUnit = instances[0].DoseUnit;
+    const NumberOfFrames = instances[0].NumberOfFrames;
+    const imageId = imageIds[0];
+
+    // add scaling module to the metadata
+    // since RTDOSE is always a multiframe we should add the scaling module to each frame
+    for (let i = 0; i < NumberOfFrames; i++) {
+      const frameIndex = i + 1;
+
+      // Todo: we should support other things like wadouri, local etc
+      const newImageId = `${imageId.replace(/\/frames\/\d+$/, '')}/frames/${frameIndex}`;
+      metadataProvider.addCustomMetadata(newImageId, 'scalingModule', {
+        DoseGridScaling,
+        DoseSummation,
+        DoseType,
+        DoseUnit,
+      });
+    }
+
+    return;
+  }
+
   // try except block to prevent errors when the metadata is not correct
   try {
     imageIds.forEach(imageId => {