Re: [pygame] Filters

[Lenard Lindstrom <len-l@xxxxxxxxx>]

I've run into VC++ specific inlined assembly code in SDL_gfx. It is only 
a small amount, so simple to replace. But debugging the existing Pygame 
code has been taking most of my time.

Lenard


René Dudfield wrote:
> hi,
>
> Definitely would be useful.
>
> There are some filters in the SDL_gfx that might be useful.
>
> There is a patch for adding that to pygame, and also Marcus wrapped it
> in pgreloaded.
>
>
> The filters are listed here: http://www.ferzkopp.net/joomla/content/view/19/14/
> I'm pretty sure you could use one of those for what you want to do?
>
> So perhaps we can include it in pygame 1.9?  That has long since been a plan.
>
>
> cheers,
>
> On Sun, Feb 15, 2009 at 8:27 AM, Ian Mallett <geometrian@xxxxxxxxx> wrote:
>   
> > Hi,
> >
> > I think it might be a good idea to include filters in PyGame.
> >
> > The laplacian "algorithm" is actually already a filter--the kernel is:
> >  0, -1,  0
> > -1,  4, -1
> >  0, -1,  0
> > or something similar--so I know SDL can certainly do filter operations.
> > It would be nice to be able to specify custom filters like the box blur:
> > (1/9) *
> > 1, 1, 1
> > 1, 1, 1
> > 1, 1, 1
> > or a gaussian blur:
> > (1/273) *
> >  1,  4,  7,  4,  1
> >  4, 16, 26, 16,  4
> >  7, 26, 41, 26,  7
> >  4, 16, 26, 16,  4
> >  1,  4,  7,  4,  1
> > and so on.
> > Thoughts on including something like this in PyGame?
> >
> > -Ian
> >
> >     


--
Lenard Lindstrom
<len-l@xxxxxxxxx>