Re: [Gimp-developer] Some blend modes break in unbounded mode sRGB

[Teo Mazars <mazarst ensimag grenoble-inp fr>]

> On Sun, Apr 13, 2014 at 7:17 PM, Michael Natterer <mitch gimp org>
> wrote:
> > Um? I don't see much premultiplied processing around.
> >
> > It's mostly "RGBA float" or "R'G'B'A float" isn't it?
>
> gaussian-blur, whirl/pinch, scaling, warp tool, pixelize, and most
> compositing modes are using "RaGaBaA float" if they used "RGBA float"
> instead their innerloops would have to take alpha weighting into
> account to avoid color bleeding from transparent pixels into opaque
> pixels.

Hum, it should be correctly investigated but I suspect some other operations are broken in this regard, 
tile-seamless, mosaic, edge-laplace, edge-sobel, perhaps others...