On Sun, Feb 7, 2016 at 10:39 PM, Elle Stone wrote:
> GIMP's new LCH blend modes are wonderful. But trying to use these new blend
> modes without the proper supporting tools is sort of like being given a new
> Aston-Martin with a 35-mile-per-hour governor on the engine.
> To make the LCH blend modes truly useful GIMP needs:
> * an LCH Hue-Chroma tool.
> * LCH color sliders added to the "Change Foreground Color" dialog.
> * the Luminance blend mode in addition to the LCH Lightness blend mode.
> There are already more or less useable patches for the LCH Hue-Chroma tool
> and LCH color sliders (https://bugzilla.gnome.org/show_bug.cgi?id=749902),
> and for the Luminance blend mode
> (https://bugzilla.gnome.org/show_bug.cgi?id=753163).
> Adding the LCH Hue-Chroma tool and LCH color picker sliders for GIMP 2.10,
> right alongside the eventually-to-be-deprecated(?) HSV Hue-Saturation tool
> and HSV color picker sliders, would allow GIMP users a chance to adapt to
> LCH before HSV is summarily removed from the UI.

Personally, I find darktable's Color Zones module [1] a far better
alternative. It's more flexible, for instance.

So _maybe_ it would be advisable to implement a new similar 'tool'
that would use LCH from the very beginning. The dt's implementation
already uses LCH [2].

[1] https://www.darktable.org/usermanual/images/darkroom/modules/colorzones.jpg
[2] https://github.com/darktable-org/darktable/blob/master/src/iop/colorzones.c

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