Hi All,
In these two GIMP bug reports:
* Support for high bit depth RGB (and LCH?) color palettes for painting
https://gitlab.gnome.org/GNOME/gimp/issues/1328
* Add support for Swatchbooker's SBZ colour palette format
https://gitlab.gnome.org/GNOME/gimp/issues/2011
are discussions regarding either *converting* GIMP code to use
SwatchBooker for high bit depth color palettes, or else *keeping* GIMP
GPL palette code (updated to use floating point), and also adding
support for importing/exporting SwatchBooker color palettes.
Here's the current git repository for SwatchBooker, maintained by
Olivier Berten: https://github.com/olivierberten/SwatchBooker
Adding support for importing/exporting SwatchBooker color palettes seems
like a really good idea for reasons given by "Christoph S" in bug #2011.
But converting all GIMP color palette code to use SwatchBooker maybe
isn't such a good idea given the reality that maintainers of various
free/libre projects do come and go as their lives place various demands
on time and energy.
Anyway, I did write some barebones working code to convert GIMP color
palette code from 8-bit integer to floating point. Details and the
patches are in bug #1328.
My floating point palette code isn't finished. Well, it's sufficiently
finished for my own needs. But I drastically simplified the palette code
by removing everything except the core code for opening and saving a
palette to/from a GPL file. Otherwise I'd still by trying to figure out
which of the many the palette-related files/functions/variables does what.
If the GIMP team reaches a consensus to *keep* GIMP's GPL palette code
and just update it to be floating point (and of course add support for
importing/exporting SwatchBooker assets) - instead of *replacing* GIMP's
GPL palette code with SwatchBooker - then I'd go ahead and try to add
back into my working patch the various non-core palette functions that I
removed to make it easier to figure out the core palette code.
Best regards,
Elle
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