Selections

[Boudewijn Rempt]

On Tuesday 24 August 2004 14:19, Boudewijn Rempt wrote:
> On Tuesday 24 August 2004 14:15, Adrian Page wrote:
> > The main advantage of keeping the loops separate is that the code is a
> > lot simpler, which is always a good thing. And since every paint
> > operation (brush, airbrush, line, fill, gradient, etc) will need to
> > respect the selection, the simplest method would be to write to a
> > temporary paint device, apply the selection to that, then composite,
> > rather than putting selection handling into each inner loop. Of course,
> > if it is too slow, the more efficient route would be the one to take.
> > Perhaps we should experiment and see what works best.
>
> Selections are already paint devices -- not that I'm entirely satisfied,
> since they have the colour model of their parent, and that's not necessary,
> just a single channel, so compositing should be really easy.

Scratch that -- I wasn't thinking clearly. Shouldn't do two things at the same 
time. I'll try and adapt the gradient code to the current selection thingy to 
see what works.