feat(PDF):Add PDF viewer (#2730)

Display DICOM encapsulated PDF documents in a PDF viewer. Addressed the remaining PR comments, and am merging this.
2022-04-04 09:48:14 -04:00
1 parent f3822f98a3
commit 82df3eac03
@@ -0,0 +1,70 @@
+import { Name, SOPClassHandlerId } from './id';
+import { utils, classes } from '@ohif/core';
+
+const { ImageSet } = classes;
+
+const SOP_CLASS_UIDS = {
+  ENCAPSULATED_PDF: '1.2.840.10008.5.1.4.1.1.104.1',
+};
+
+const sopClassUids = Object.values(SOP_CLASS_UIDS);
+
+
+const _getDisplaySetsFromSeries = (instances, servicesManager, extensionManager) => {
+  const dataSource = extensionManager.getActiveDataSource()[0];
+  return instances
+    .map(instance => {
+      const { Modality, SOPInstanceUID, EncapsulatedDocument } = instance;
+      const { SeriesDescription = "PDF", MIMETypeOfEncapsulatedDocument, } = instance;
+      const { SeriesNumber, SeriesDate, SeriesInstanceUID, StudyInstanceUID, } = instance;
+      const pdfUrl = dataSource.retrieve.directURL({
+        instance,
+        tag: 'EncapsulatedDocument',
+        defaultType: MIMETypeOfEncapsulatedDocument || "application/pdf",
+        singlepart: "pdf",
+      });
+
+      const displaySet = {
+        //plugin: id,
+        Modality,
+        displaySetInstanceUID: utils.guid(),
+        SeriesDescription,
+        SeriesNumber,
+        SeriesDate,
+        SOPInstanceUID,
+        SeriesInstanceUID,
+        StudyInstanceUID,
+        SOPClassHandlerId,
+        referencedImages: null,
+        measurements: null,
+        pdfUrl,
+        others: [instance],
+        thumbnailSrc: dataSource.retrieve.directURL({ instance, defaultPath: "/thumbnail", defaultType: "image/jpeg", tag: "Absent" }),
+        isDerivedDisplaySet: true,
+        isLoaded: false,
+        sopClassUids,
+        numImageFrames: 0,
+        numInstances: 1,
+        instance,
+      };
+      return displaySet;
+    });
+};
+
+export default function getSopClassHandlerModule({ servicesManager, extensionManager }) {
+  const getDisplaySetsFromSeries = instances => {
+    return _getDisplaySetsFromSeries(
+      instances,
+      servicesManager,
+      extensionManager
+    );
+  };
+
+  return [
+    {
+      name: Name,
+      sopClassUids,
+      getDisplaySetsFromSeries,
+    },
+  ];
+}