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

On Tue, 2012-11-13 at 16:27 +0100, Simon Budig wrote:
> Alexandre Prokoudine (alexandre prokoudine gmail com) wrote:
> > I would suggest to detect XCF version and for files with legacy
> > blending modes rename the mode to "Legacy Overlay" and suggest
> > resaving, while using just "Overlay" for all new files.
> There is no need to fiddle around with the XCF version. The layer mode
> basically is an enum. We simply keep the old enum value (and the "buggy"
> legacy overlay implementation) around and assign a new one to the fixed
> "Overlay". Then we hide the "Legacy Overlay" in the menu (unless it is
> used).

The problem is much bigger. Almost *all* of our layer modes
will be "Legacy", and the new modes will operate in linear
light. Just adding a hack for overlay is not going to
fix the root problem.


> This however needs to be done. Just exchanging the math in the overlay
> operation won't cut it.
> Bye,
>         Simon

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