[sugar] rendering test

[Benjamin Berg]

On Sun, 2008-09-28 at 18:35 +0200, Bernie Innocenti wrote:
> Benjamin Berg wrote:
> > A shared cache would be great. One way to do it would be to share a
> > mmap'able file similar to the GTK+ icon cache file. But to create this
> > file, one will need to know the icon colors that should be prerendered.
> >  
> > More complicated would be to create a small service that uploads
> > rendered icons to the X server, and hands back the pixmap ID. That way
> > all applications could use one shared server side cache.
> > (The pixmap based sapwood GTK+ engine, used on the Nokia 770/8x0
> > devices, does this to save memory.)
> 
> We discussed this approach in Brno.  I'm glad to hear it's feasible.
> 
> Oh, why can't we just use the gtk icon cache with the rendered pixmaps?

The thing is that the GTK+ icon cache are just prerendered icons
(created with a standalone application). In Sugar however, we need a
more complicated mechanism as the colour of the icons is changed on the
fly. One would probably need to implement a custom icon cache, that
prerenders the most often needed colour combinations.

Benjamin
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