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[bug#55769] [PATCH] gnu: Add xwhite.
From: |
Maxime Devos |
Subject: |
[bug#55769] [PATCH] gnu: Add xwhite. |
Date: |
Fri, 03 Jun 2022 15:13:21 +0200 |
User-agent: |
Evolution 3.38.3-1 |
[Please keep 55769@debbugs.gnu.org in CC]
derekchuank@outlook.com schreef op vr 03-06-2022 om 01:33 [+0000]:
> Thank you for your patient.
Nitpick not relevant to the discussion: patient (adjective) -> patience
(noun).
> "Also, all this is already implemented by another tool:
> $ redshift -P -g 2:2:0.1 -O 10000
> so to me there appears to be no need to write, maintain and package a new
> tool."
derekchuank@outlook.com schreef op vr 03-06-2022 om 01:33 [+0000]:
> Setting gamma(redshift -g) correction in redshift is [...].
Ok, it fullfills a somewhat different niche.
> If you think it's worth a new package, I would fix the issues you
mentioned. Either way, I'm happy with the conversation with
> you.
> Setting gamma(redshift -g) correction in redshift is the same as `xrandr
> --output eDP-1 --gamma 2:2:0.1` in principle,
> which changes the gamma curve shape while keeps the curve two end point
> position still, resulting a strange
> color scheme with white color unchanged. And that's the problem setting color
> temperature(redshift -O) is trying to
> resolve, compressing the whole gamma curve, however, the RGB of white color
> of a fixed color temperature is fixed too,
> the above gamma correction can't change it. That's why I wrote xwhite, a
> simple but more flexible way to manual color
> balance, setting to a warm color tempature while enhancing green color to
> avoiding a red screen due to the backlight
> aging. I'm satisfied with it finally.
>
> If you think it's worth a new package, I would fix the issues you
> mentioned. Either way, I'm happy with the conversation with you.
Given that it fullfills a different niche, a new package 'xwhite'
sounds reasonable to me. Though maybe you can give a small comparison
of xwhite with redshift in the package description?
> + (description "xwhite is a command line tool for adjusting color
> +balance of screen. It is based on xrandr's gamma correction and
> +brightness adjustment. Typically used for tuning color balance
> +while setting color temperature.")
xwhite -> @command{white} (TeXinfo markup).
adjusting color balance -> adjusting the color balance.
color can be replaced by colour or kept as-is.
It is based on xrandr's gamma correction and brightness adjustment.
-> maybe add the caveat ‘As such, it can only be used for X displays
and not Wayland displays?’
Typically used for tuning color balance while setting color
temperature. --> It is typically used for tuning the color balance and
color temperature.
Maybe add: ‘It has a similar function as @command{redshift -P -g R:G:B
-O temperature}, but @command{xwhite} is more flexible in that it does
not keep the white color fixed.’
Greetings,
Maxime.
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