def add_extras(img, layout_object, request):
"""Adds extras (images, varimages,...) to an image as specified by the given layout
:param img: Base image
:type img: PIL image
:param layout_object: Target layout
:type layout_object: Layout object
:param request: Request with all URL parameters
:type request: str
:returns: New image with added extras
:rtype: PIL image
"""
for extra in layout_object.get_extras():
if extra['type'] == "image":
im = Image(extra)
img = im.add_image(img)
if extra['type'] == "varimage":
varimg = Varimage(extra)
progress_parameter_value = request.args.get(extra['value_parameter_name'])
if 'orientation' in extra:
orientation = extra['orientation']
else:
# default to horizontal to retain backwards compatibility
orientation = "horizontal"
img = varimg.add_varimage(img, progress_parameter_value, orientation)
return img
