Re: [Gimp-developer] HSL Color Picker

[Michael Horvath <mikh2161 gmail com>]

On 12/12/2015 1:43 PM, Alexandre Prokoudine wrote:
> On Sat, Dec 12, 2015 at 12:06 PM, Michael Horvath wrote:
> > There was discussion in 2009 about adding a HSL color picker to GIMP.
> >
> > http://www.gimpusers.com/forums/gimp-developer/11572-hsl-color-picker
> >
> > I was wondering if any developments had been made in this direction?
> No. The good news (which is not news at all) is that color selectors
> are pluggable, so one can write such a module without becoming
> full-time GIMP developer.
>
> In fact, three stock color selectors are modules, e.g. CMYK selector:
>
> https://git.gnome.org/browse/gimp/tree/modules/color-selector-cmyk.c
>
> And there is at least one 3rd party color selector for the CIE LCH colorspace:
>
> http://registry.gimp.org/node/16814
>
> So anyone with programming skills can contribute an HSL color selector
> (I'd first check if babl supports it though).
>
> Alex

The LCH one looks promising, but it would be more helpful if L C and H 
were mapped to X Y and Z axes, or a cylinder, in the picker. Can't tell 
for sure (I haven't tried the picker myself yet), but the screenshot 
looks like it may be 3D.

Mike