django-imagekit/imagekit/utils.py
2011-10-11 02:16:22 +09:00

17 lines
391 B
Python

""" ImageKit utility functions """
import tempfile
def img_to_fobj(img, format, **kwargs):
tmp = tempfile.TemporaryFile()
# Preserve transparency if the image is in Pallette (P) mode.
if img.mode == 'P':
kwargs['transparency'] = len(img.split()[-1].getcolors())
else:
img.convert('RGB')
img.save(tmp, format, **kwargs)
tmp.seek(0)
return tmp