[FOSS-GPS] FoxtrotGPS paint-optimize branch

[John Stowers]

> > I'm not a fan of this idea sorry. IMO osm-gps-map should be 
> >  * "batteries included"
> 
> Well it should not be taken out, but the possibility of overriding it sounds interesting, 
> although for foxtrot I'll take the built-in downloader.
> 
> >  * a good GObject/Gtk+ citizen
> 
> Hmm I don't know exactly what that means, I'm more of a ObjectOriented/C++ kind of guy, 
> where 'separation of concerns' is one of the important axioms.

In this context it means
 * using libsoup (GObject based download lib)
 * Use Gobject properties and signals, interfaces etc (easier to write
bindings, gobject introspection etc).
 * Hide threads, use mainloop based approaches instead

> 
> Besides, there was talk on this list about a tile provider library, which would rhyme with 
> this separation.
> 
> So my point basically is, you can have batteries included without discarding the concept 
> of separation of concerns.

I guess, although osm-gps-map is not a large library currently, it seems
a little overkill to split it furthur. Also I am lazy ;-)

Thanks,

John