Added bounds to MLKitDetectFacesResultFace

Author: davidpanic

src/mlkit/facedetection/index.android.ts

@@ -1,5 +1,5 @@
 import { ImageSource } from "tns-core-modules/image-source";
-import { MLKitDetectFacesOnDeviceOptions, MLKitDetectFacesOnDeviceResult } from "./";
+import { MLKitDetectFacesOnDeviceOptions, MLKitDetectFacesOnDeviceResult, MLKitDetectFacesResultBounds } from "./";
 import { MLKitOptions } from "../index";
 import { MLKitFaceDetection as MLKitFaceDetectionBase } from "./facedetection-common";
 
@@ -63,6 +63,19 @@ function getFaceDetector(options: MLKitDetectFacesOnDeviceOptions): any {
   return com.google.firebase.ml.vision.FirebaseVision.getInstance().getVisionFaceDetector(faceDetectorOptions);
 }
 
+function boundingBoxToBounds(rect: any): MLKitDetectFacesResultBounds {
+  return {
+    origin: {
+      x: rect.left,
+      y: rect.top
+    },
+    size: {
+      width: rect.width(),
+      height: rect.height()
+    }
+  }
+}
+
 export function detectFacesOnDevice(options: MLKitDetectFacesOnDeviceOptions): Promise<MLKitDetectFacesOnDeviceResult> {
   return new Promise((resolve, reject) => {
     try {
@@ -80,6 +93,7 @@ export function detectFacesOnDevice(options: MLKitDetectFacesOnDeviceOptions): P
             for (let i = 0; i < faces.size(); i++) {
               const face = faces.get(i);
               result.faces.push({
+                bounds: boundingBoxToBounds(face.getBoundingBox()),
                 smilingProbability: face.getSmilingProbability() !== com.google.firebase.ml.vision.face.FirebaseVisionFace.UNCOMPUTED_PROBABILITY ? face.getSmilingProbability() : undefined,
                 leftEyeOpenProbability: face.getLeftEyeOpenProbability() !== com.google.firebase.ml.vision.face.FirebaseVisionFace.UNCOMPUTED_PROBABILITY ? face.getLeftEyeOpenProbability() : undefined,
                 rightEyeOpenProbability: face.getRightEyeOpenProbability() !== com.google.firebase.ml.vision.face.FirebaseVisionFace.UNCOMPUTED_PROBABILITY ? face.getRightEyeOpenProbability() : undefined,

src/mlkit/facedetection/index.d.ts

@@ -1,13 +1,25 @@
 import { MLKitOptions } from "../";
 import { MLKitCameraView, MLKitResult } from "../index";
 
+export interface MLKitDetectFacesResultBounds {
+  origin: {
+    x: number;
+    y: number;
+  },
+  size: {
+    width: number;
+    height: number;
+  }
+}
+
 export interface MLKitDetectFacesResultFace {
   smilingProbability?: number;
   leftEyeOpenProbability?: number;
   rightEyeOpenProbability?: number;
   trackingId?: number;
   ios?: any;
   android?: any;
+  bounds?: MLKitDetectFacesResultBounds;
 }
 
 export interface MLKitDetectFacesOnDeviceResult extends MLKitResult {

src/mlkit/facedetection/index.ios.ts

@@ -31,7 +31,8 @@ export class MLKitFaceDetection extends MLKitFaceDetectionBase {
             smilingProbability: face.hasSmilingProbability ? face.smilingProbability : undefined,
             leftEyeOpenProbability: face.hasLeftEyeOpenProbability ? face.leftEyeOpenProbability : undefined,
             rightEyeOpenProbability: face.hasRightEyeOpenProbability ? face.rightEyeOpenProbability : undefined,
-            trackingId: face.hasTrackingID ? face.trackingID : undefined
+            trackingId: face.hasTrackingID ? face.trackingID : undefined,
+            bounds: face.frame
           });
         }