def generate_thumb(img, thumb_size, format):
"""
Generates a thumbnail image and returns a ContentFile object with the thumbnail
Parameters:
===========
img File object
thumb_size desired thumbnail size, ie: (200,120)
format format of the original image ('jpeg','gif','png',...)
(this format will be used for the generated thumbnail, too)
"""
img.seek(0)
image = Image.open(img)
# Convert to RGB if necessary
if image.mode not in ('L', 'RGB', 'RGBA'):
image = image.convert('RGB')
new_image = scale_to_max_size(image, *thumb_size)
io = cStringIO.StringIO()
# PNG and GIF are the same, JPG is JPEG
if format.upper() == 'JPG':
format = 'JPEG'
new_image.save(io, format)
return ContentFile(io.getvalue())
def generate_thumb(img, thumb_size, format):
"""
Generates a thumbnail image and returns a ContentFile object with the thumbnail
Parameters:
===========
img File object
thumb_size desired thumbnail size, ie: (200,120)
format format of the original image ('jpeg','gif','png',...)
(this format will be used for the generated thumbnail, too)
"""
img.seek(0)
image = Image.open(img)
# Convert to RGB if necessary
if image.mode not in ('L', 'RGB', 'RGBA'):
image = image.convert('RGB')
new_image = scale_to_max_size(image, *thumb_size)
io = cStringIO.StringIO()
# PNG and GIF are the same, JPG is JPEG
if format.upper() == 'JPG':
format = 'JPEG'
new_image.save(io, format)
return ContentFile(io.getvalue())