Iterators are (more or less) working

[Cyrille Berger]

Hello,

I made a version of the inverter filter that demonstrates the use of 
iterators.
They work fine, but they are very slow (and they handle alpha channel very 
badly), I will now try to find a way to make them working faster and to 
imrove them.

I have an important question about the internal working of krita : are the 
tiles on the edge of the size TILE_SIZE x TILE_SIZE or have they customized 
size ?

-- 
--- Cyrille Berger ---