Cordova-plugin-camera capture grayscal image

ionic-v1
1

Hi, I’m using Cordova-plugin-camera to capture images and get a base64 image. Can I know is there any option to capture a grayscale image or how to convert it to grayscale image .

$scope.captureSlipImage = function () {

    // capture photo
    navigator.camera.getPicture(onSuccess, onFail, {
        quality: 50,
        destinationType: Camera.DestinationType.DATA_URL,
        encodingType: Camera.EncodingType.JPEG,
        targetWidth: 400,
        saveToPhotoAlbum: false,
        correctOrientation: true,
        pictureSourceType: Camera.PictureSourceType.CAMERA
    });

    function onSuccess(imageData) {
    
        $scope.captureData.capturedImage = "data:image/jpeg;base64," + imageData;
      
    function onFail(message) {
        alert('Failed because: ' + message);
    }

};