[Image-SIG] im.save("xyz.jpg") - quality?
Thu, 15 Jul 1999 03:02:29 +0200
im.save("xyz.jpg") - quality?Turner, Kingsley wrote:
> Is there any way to configure the way the PIL saves jpegs ?
> I've got some code to make thumbnails (ok, it's almost the
> same as in the manual).
> I'd really like to minimise the file size said thumbnails, and the
> best way to do this is use the JPEG 'optimise' feature of the encoder
> and to set the JPEG quality to about 50%. (50% is a bit dodgey for
> reproduction, but fine for thumbs)
> Does the PIL automatically do 'optimized' jpeg saves ?
> Is there a way I can adjust the quality factor for the compression
> algorithm ?
im.save("xyz.jpg", quality=50, optimize=1)
for details, see the description of the save method at:
the available save options are found here: