Selections

[Sven Langkamp]

Boudewijn Rempt wrote:

>I've just committed some code that shows more or less where I want to go with 
>selections. You can load an image and start painting selections with the 
>select brush, and the unselected area is shown as a kind of milky-white 
>transparent painted mask. I believe, actually, that this is how the Gimp and 
>Photoshop do masks, but I've never understood those.
>  
>
It would be useful if you can paint inverted selections (selected area 
milky-white).

>Anyway, there is still a little todo to do:
>
>* selections are now complete layers of the same type as the layer they're a 
>selection of. I'd prefer if they're just one byte wide per pixel, no matter 
>which colour type their layer is. But if I want to do that, I'll have to 
>implement heterogenous layer compositing, which is a bit hard at the moment 
>since the colour strategy of the receiving layer knows nothing about the 
>bytes it's going to composite with and has to assume it's the only thing it 
>knows, its own type.
>
The other selections should work with the same layer, so that you can 
select something in normal mode and see this selection in painting 
selection mode too.

Sven