[Image-SIG] Converting 32Bit png to 8Bit png

[Fredrik Lundh]

pirmin.moesle at alpstein.de skrev:

> I do exactly need 2 ways of processing:
>  
> a) Convert the 32Bit RGBA png to a 8Bit RGB palette png

how do you want to treat the alpha layer when doing this?

> a) Convert the 32Bit RGBA png to a 8Bit RGBA palette png

same here.

(PIL's standard conversion just drops the alpha, but there are ways to 
get around that.)

</F>