[Image-SIG] resize gif in PIL
Fredrik Lundh
fredrik at pythonware.com
Sat Oct 28 08:31:24 CEST 2006
feihu_roger wrote:
> I use PIL to thumbnail or resizegif.
> the original gif file :838*462. 38.75KB
> resize to 600*345, after save as new file.
> The new file is 86KB.
> Why is the small gif Larger then original gif file.
a nearest-neighbour resampling can in fact make the image harder to
compress with a non-lossy algorithm, but it's probably mostly because
PIL doesn't use a full LZW compressor, originally for legal reasons, but
these days mostly because people have better things to do than to write
code for a 20-year old crap format designed by a dead company using a
patent owned by a bunch of utter nincompoops.
are you sure you cannot use JPEG (for photographic images) or PNG (for
graphics) instead?
</F>
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