Re: [Gimp-developer] Overlay Mode - fix.

On Mon, 2012-11-12 at 22:16 +0100, Ofnuts wrote:
> On 11/12/2012 06:55 PM, Ville Sokk wrote:
> > All the legacy blending modes are funny, not just overlay. All of them 
> > need to be fixed.
> >
> > Blending modes are arbitrary artistic things and there is no correct 
> > overlay formula. GIMP doesn't necessarily have to use the one in 
> > Wikipedia. Here's an interesting and thorough post in the GIMP 
> > developer list on this topic: 
> >
> >
> > To start making new layer modes, somebody has to come up with a list 
> > of modes that are actually needed. And somebody has to come up with a 
> > way to include both legacy and new layer modes in the GUI (I think 
> > that was already covered in IRC).
> Just wondering if the blend modes couldn't be implemented with 
> specialized plugins. There would be uses  for this in photography and/or 
> astrophotography (exposure blend, averaging...).After all it's just a 
> formula with the RGB values for the layer and the composite image below, 
> isn't it? (at least this is how the current ones are described).

They are gegl ops, so this is already possible. There is just
no UI to set them, and I'm not sure if there should be.


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