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

On Tue, Feb 6, 2018 at 4:15 PM, Elle Stone
<ellestone ninedegreesbelow com> wrote:
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?

Yes - both are non-destructive editing features, and can be
impleemnted by inserting additional GeglNodes in the chain/graph of
nodes that represent the layer stack. Applying a drop-shadow to the
raster output of a part is no different from applying a color
adjustment. The live previews done for GEGL based filters in GIMP-2.9
are already done by inserting a temporary one-off adjustment layer on
the relevant layer, "inside a layer group".


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