Insert a PIL image into a PDF (rudimentary)

        :param pdf: the PDF to attach the image to
        :type pdf: pikepdf.Pdf
        :param page: the page to attach the image to
        :param name: the name to set the image
        :param image: image
        :type image: PIL.Image.Image

def _from_pil_image(cls, *, pdf, page, name, image):  # pragma: no cover
        """Insert a PIL image into a PDF (rudimentary)

        :param pdf: the PDF to attach the image to
        :type pdf: pikepdf.Pdf
        :param page: the page to attach the image to
        :param name: the name to set the image
        :param image: image
        :type image: PIL.Image.Image
        """

        data = image.tobytes()

        imstream = Stream(pdf, data)
        imstream.Type = Name('/XObject')
        imstream.Subtype = Name('/Image')
        if image.mode == 'RGB':
            imstream.ColorSpace = Name('/DeviceRGB')
        elif image.mode in ('1', 'L'):
            imstream.ColorSpace = Name('/DeviceGray')
        imstream.BitsPerComponent = 1 if image.mode == '1' else 8
        imstream.Width = image.width
        imstream.Height = image.height

        page.Resources.XObject[name] = imstream

        return cls(imstream)