2008/7/28 Øyvind Kolås <[EMAIL PROTECTED]>:
> The situation would be the same for GEGL once the bug in
> http://bugzilla.gnome.org/show_bug.cgi?id=502465 gets resolved. Since
> the part of the processing graph underneath the top most added stroke
> doesn't change, and it can be recomputed from the parameters of the
> nodes in the graph there is no need to always persist the actual
> pixels. This is a general optimization that also will help other parts
> of GEGL. Experimenting with the gegl-paint example in the GEGL sources
> will be a natural thing to do when fixing this bug. (The code in there
> should be easily modifiable to become full non-destructive again).

Thank you for your comment.
I don't how to recompute the destructive brush stroke yet. Or I might
misunderstanding the meaning of "destructive." I thought destructive
means "destroy image itself and cannot undo it nor redo it" unless we
manage the undo cache. So it can't be non-destructive unless we save
that cache forever.
But maybe it's better to check the source code of gegl-paint first.
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