Iterator

[Cyrille Berger]

> Sounds like a very workable idea. As far as I'm concerned you can add it
> and document it.
> However, be careful not to change existing code that uses 
> the iterators
I will keep touching KisPainterConvolution, as it is unfinished and still damn 
too slow (for a 2900x1900 image, gimp takes less than 2 seconds to blur it, 
we were at 30s, and now down to 15s which is still too much)

> nor the meaning of existing code inside the iterator. I'm 
> sure it will give regressions if we do that.
I won't touch existing code inside iterators just adding some :)

-- 
--- Cyrille Berger ---