Re: [pygame] GIMP-like image enhancement?

[Bob Ippolito <bob@redivi.com>]

On Jun 18, 2004, at 6:07 PM, Jasper Phillips wrote:

> On Fri, 18 Jun 2004, Bob Ippolito wrote:
>
> > On Jun 18, 2004, at 5:34 PM, Jasper Phillips wrote:
> >
> > > It is however very frustrating that I have to reinvent the wheel!  It
> > > really puts into perspective the value of all the amazing LGPL code 
> > > I'm
> > > using, without which I'd be stuck.
> > Yeah, but the functionality that you want from GIMP is probably really
> > hard to decouple anyway.  You want a wheel but you have an 18 wheeler
> > :)
> Not to hard, provided I could get pygimp to work.  I'd have to compile 
> and
> ship it to, which would be a headache.
A huge one, probably.  I'm sure it would also entail quite a bit of 
bloat, especially on Win32 and OS X where you can't assume GTK and 
whatnot is already there.

> > It can't be that hard to look at the code they're using and write a
> > similar algorithm on top of Numeric/numarray/scipy/etc.
> Hmmm, are you implying that PIL isn't as optimized as these things?  
> I've
> been wondering about that, for the amount of code that PIL has for 
> filtering
> is negligible, and at a cursory glance it sure appears unoptimized...
>
> Normally I don't give a damn about execution speed, but image filtering
> seems like an obvious bottleneck judging from how long it takes GIMP to
> clothify.
Regardless of optimization, I don't think PIL has the functionality you 
would need.  Clothify isn't exactly a standard filter, and I doubt it's 
as easy as a convolution (if PIL even gives you that).

-bob

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