def _crop(self, fieldname, scale, box):
"""Delegate to store.
"""
storage = Storage(self.context)
storage.store(fieldname, scale, box)
if IImageCroppingDX.providedBy(self.context):
return
# AT BBB scaling.
croputils = IImageCroppingUtils(self.context)
data = croputils.get_image_data(fieldname)
original_file = BytesIO(data)
image = PIL.Image.open(original_file)
image_format = image.format or self.DEFAULT_FORMAT
cropped_image = image.crop(box)
cropped_image_file = BytesIO()
cropped_image.save(cropped_image_file, image_format, quality=100)
cropped_image_file.seek(0)
croputils.save_cropped(fieldname, scale, cropped_image_file)
