added support to pass propToPreview

index.js

@@ -99,6 +99,7 @@ export default class Camera extends Component {
     keepAwake: PropTypes.bool,
     onBarCodeRead: PropTypes.func,
     barcodeScannerEnabled: PropTypes.bool,
+    cropToPreview: PropTypes.bool,
     onFocusChanged: PropTypes.func,
     onZoomChanged: PropTypes.func,
     mirrorImage: PropTypes.bool,
@@ -133,6 +134,7 @@ export default class Camera extends Component {
     playSoundOnCapture: true,
     torchMode: CameraManager.TorchMode.off,
     mirrorImage: false,
+    cropToPreview: false,
     barCodeTypes: Object.values(CameraManager.BarCodeType),
   };
 
@@ -224,6 +226,7 @@ export default class Camera extends Component {
       description: '',
       mirrorImage: props.mirrorImage,
       fixOrientation: props.fixOrientation,
+      cropToPreview: props.cropToPreview,
       ...options
     };