KisPainter::bitBlt using random accessor

Boudewijn Rempt boud at valdyas.org
Sat Jun 12 14:23:02 CEST 2010


On Friday 11 June 2010, Dmitry Kazakov wrote:

> why "not possible"? I always thought that "not aligned" == "less
> efficient", but it should be surely possible! Don't i understand
> something?

It is (or was) not easy to figure out whether paint devices are aligned. And 
in this case, since KisRandomAccessor is caching, it gave a nice speedup. I 
actually remember testing with the rect iterator a longish time ago, and it 
didn't give a measurable improvement.

-- 
Boudewijn Rempt | http://www.valdyas.org



More information about the kimageshop mailing list