[wxPython-users] Open PIL image with less quality

[Christopher Barker]

Mariano Di Felice wrote:
> OK, guys, but if I have a non-jpeg or non-jfif images?? ex: bmp or gif??

then you may well be out of luck. I'm no expert, but I think you'll have 
to decode those entirely, then reduce them. Actually, that's just for 
GIF, I think BMP is uncompressed, which means it's a poor choice for 
huge images anyway, but you could, in theory, read every pixels, and 
build an image. Kind of hard to write that code efficiently in Python, 
though.

It's worth a look at the PIL docs and see what you can find.

I've lost track -- what limitations are you running into here? Memory? 
speed? It's actually pretty darn fast these days to read a big image and 
re-size it -- if it fits in memory anyway.

-Chris



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