[Gimp-developer] Bug reports on PhotoShop "adjustment layers" vs "layer styles"



This bug report:

https://bugzilla.gnome.org/show_bug.cgi?id=79025
original Summary: Add support for Photoshop Styles
Summary modified to be: Add support for Photoshop Styles and adjustment layers

is marked as a duplicate of 13 other bug reports, including this bug report:

https://bugzilla.gnome.org/show_bug.cgi?id=98262
Summary: Adjustment Layers (like in Photoshop)

which has a comment that says PhotoShop layer styles and PhotoShop adjustment layers are "the same", which I take to mean that both could be implemented using substantially the same GEGL code.

Back when I used PhotoShop, I used the non-destructive "adjustment layers" (https://www.photoshopessentials.com/photo-editing/adjustment-layers/) - Curves, Levels, Channel Mixer, and such - all the time, with every single photograph I ever edited.

I think I used "layer styles" (https://helpx.adobe.com/photoshop/using/layer-effects-styles.html) only once during the entire time I used PhotoShop, as part of making a fancy logo for a website.

The applicable GIMP bug reports are quite old, dating as far back as 2002.

From the vantage point of "GEGL code in 2018", are the functionalities of PhotoShop "adjustment layers" and "layer styles" similar enough from an implementation point of view that both could be implemented all at once, using the same GEGL code? Or would there need to be substantially different/additional code for layer styles, compared to adjustment layers?

Best,
Elle


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