def toImage(self, array, origin=""):
        """
        Converts an array with metadata to a two-dimensional image.

        :param `numpy.ndarray` array: The array to convert to image.
        :param str origin: Path to the image, optional.
        :return: a :class:`Row` that is a two dimensional image.

        .. versionadded:: 2.3.0
        """

        if not isinstance(array, np.ndarray):
            raise TypeError(
                "array argument should be numpy.ndarray; however, it got [%s]." % type(array))

        if array.ndim != 3:
            raise ValueError("Invalid array shape")

        height, width, nChannels = array.shape
        ocvTypes = ImageSchema.ocvTypes
        if nChannels == 1:
            mode = ocvTypes["CV_8UC1"]
        elif nChannels == 3:
            mode = ocvTypes["CV_8UC3"]
        elif nChannels == 4:
            mode = ocvTypes["CV_8UC4"]
        else:
            raise ValueError("Invalid number of channels")

        # Running `bytearray(numpy.array([1]))` fails in specific Python versions
        # with a specific Numpy version, for example in Python 3.6.0 and NumPy 1.13.3.
        # Here, it avoids it by converting it to bytes.
        if LooseVersion(np.__version__) >= LooseVersion('1.9'):
            data = bytearray(array.astype(dtype=np.uint8).ravel().tobytes())
        else:
            # Numpy prior to 1.9 don't have `tobytes` method.
            data = bytearray(array.astype(dtype=np.uint8).ravel())

        # Creating new Row with _create_row(), because Row(name = value, ... )
        # orders fields by name, which conflicts with expected schema order
        # when the new DataFrame is created by UDF
        return _create_row(self.imageFields,
                           [origin, height, width, nChannels, mode, data])
Converts an array with metadata to a two-dimensional image.

        :param `numpy.ndarray` array: The array to convert to image.
        :param str origin: Path to the image, optional.
        :return: a :class:`Row` that is a two dimensional image.

        .. versionadded:: 2.3.0