Added bounds to MLKitScanBarcodesResultBarcode

Author: davidpanic

src/mlkit/barcodescanning/index.android.ts

@@ -1,5 +1,5 @@
 import { ImageSource } from "tns-core-modules/image-source";
-import { MLKitScanBarcodesOnDeviceOptions, MLKitScanBarcodesOnDeviceResult } from "./";
+import { MLKitScanBarcodesOnDeviceOptions, MLKitScanBarcodesOnDeviceResult, MLKitScanBarcodesResultBounds } from "./";
 import { MLKitOptions } from "../index";
 import { BarcodeFormat, MLKitBarcodeScanner as MLKitBarcodeScannerBase } from "./barcodescanning-common";
 
@@ -34,7 +34,8 @@ export class MLKitBarcodeScanner extends MLKitBarcodeScannerBase {
             result.barcodes.push({
               value: barcode.getRawValue(),
               format: BarcodeFormat[barcode.getFormat()],
-              android: barcode
+              android: barcode,
+              bounds: boundingBoxToBounds(barcode.getBoundingBox())
             });
           }
         }
@@ -49,6 +50,19 @@ export class MLKitBarcodeScanner extends MLKitBarcodeScannerBase {
   }
 }
 
+function boundingBoxToBounds(rect: any): MLKitScanBarcodesResultBounds {
+  return {
+    origin: {
+      x: rect.left,
+      y: rect.top
+    },
+    size: {
+      width: rect.width(),
+      height: rect.height()
+    }
+  }
+}
+
 function getBarcodeDetector(formats?: Array<BarcodeFormat>): any {
   if (formats && formats.length > 0) {
     const firebaseVisionBarcodeDetectorOptions =
@@ -79,7 +93,8 @@ export function scanBarcodesOnDevice(options: MLKitScanBarcodesOnDeviceOptions):
               result.barcodes.push({
                 value: barcode.getRawValue(),
                 format: BarcodeFormat[barcode.getFormat()],
-                android: barcode
+                android: barcode,
+                bounds: boundingBoxToBounds(barcode.getBoundingBox())
               });
             }
           }

src/mlkit/barcodescanning/index.d.ts

@@ -4,11 +4,23 @@ import { MLKitResult, MLKitCameraView } from "../index";
 
 export { BarcodeFormat };
 
+export interface MLKitScanBarcodesResultBounds {
+  origin: {
+    x: number;
+    y: number;
+  },
+  size: {
+    width: number;
+    height: number;
+  }
+}
+
 export interface MLKitScanBarcodesResultBarcode {
   value: string;
   format: string;
   ios?: any;
   android?: any;
+  bounds?: MLKitScanBarcodesResultBounds;
   // TODO details
 }
 

src/mlkit/barcodescanning/index.ios.ts

@@ -32,7 +32,8 @@ export class MLKitBarcodeScanner extends MLKitBarcodeScannerBase {
           result.barcodes.push({
             value: barcode.rawValue,
             format: BarcodeFormat[barcode.format],
-            ios: barcode
+            ios: barcode,
+            bounds: barcode.frame
           });
         }
 
@@ -79,7 +80,8 @@ export function scanBarcodesOnDevice(options: MLKitScanBarcodesOnDeviceOptions):
             result.barcodes.push({
               value: barcode.rawValue,
               format: BarcodeFormat[barcode.format],
-              ios: barcode
+              ios: barcode,
+              bounds: barcode.frame
             });
           }
           resolve(result);