feat: Ultrasound Pleura B-line Annotation Mode & Extension (#5061)

extensions/usAnnotation/src/providers/FanShapeGeometryProvider.ts

@@ -0,0 +1,28 @@
+import getInstanceByImageId from '../getInstanceByImageId';
+
+class FanShapeGeometryProvider {
+  services;
+  constructor(services) {
+    this.services = services;
+  }
+  get(query, imageId) {
+    if (query !== 'ultrasoundFanShapeGeometry') {
+      return null;
+    }
+    const instance = getInstanceByImageId(this.services, imageId);
+    // here you can add your logic to retrieve the fan shape geometry
+    // based on the instance or imageId
+    // The value returned should be an object with the following structure:
+    // return {
+    //   center: Types.Point2; // The center of the fan shape in pixel coordinates (e.g. [-70, 80])
+    //   startAngle: number; // The starting angle of the fan shape in degrees (e.g. 60)
+    //   endAngle: number; // The ending angle of the fan shape in degrees (e.g. 120)
+    //   innerRadius: number; // The inner radius of the fan shape (e.g. 300)
+    //   outerRadius: number; // The outer radius of the fan shape (e.g. 650)
+    // };
+
+    return null;
+  }
+}
+
+export default FanShapeGeometryProvider;