Autolayer merge done

[Casper Boemann]

> > True, but then you need to access the destination and that requires a
tile
> > switch per access if the destination is a paintdevice. but if you just
dump
> > it into a buffer then it's just a *and a + and an indexed storage.
> One switch per access? I don't understand what you mean, can you point out
> where to find that in the code or give an example?


It a thought example:

while(! iterator.done())
{
   value = iterator;
   x= iterator.x(); // not much overhead here
    y=iterator.y();

    destPaintDev.setPixel(x, y, value); // this call calculates the tile ie
essentally a switch

   iterator++:
}