Gimp 2 - hexa colour bug on Windows ?

classic Classic list List threaded Threaded
6 messages Options
Reply | Threaded
Open this post in threaded view
|

Gimp 2 - hexa colour bug on Windows ?

Pierre L.
Hey,

I'm using the last Gimp for Windows, I'm having a problem with colour.

When applying the hexa colour #808080, then use it to paint something,
but when I'm checking the colour with the picker it's not the same :/
Result is #7f7f7f
https://peertube.video/videos/watch/63813556-de80-4383-846d-76dbcaeabf22

Is it a know bug (found nothing in the issues list...) ?
I've tried on another computer with a Linux inside, it's ok.

Thx!
_______________________________________________
gimp-user-list mailing list
List address:    [hidden email]
List membership: https://mail.gnome.org/mailman/listinfo/gimp-user-list
List archives:   https://mail.gnome.org/archives/gimp-user-list
Reply | Threaded
Open this post in threaded view
|

Re: Gimp 2 - hexa colour bug on Windows ?

Liam R E Quin
On Sat, 2019-04-20 at 13:19 +0200, Pierre L. wrote:
>
> but when I'm checking the colour with the picker it's not the same :/

There are two colour pickers in GIMP right now. One takes colours from
the image, and the other from anywhere on the screen.

Try turning off view->colour management->colour-manage this view
and you will probably get the same numbers, unless you are also using
display filters on the image window such as Gamma.

Liam


--
Liam Quin, https://www.delightfulcomputing.com/
Available for XML/Document/Information Architecture/XSLT/
XSL/XQuery/Web/Text Processing/A11Y training, work & consulting.
Web slave for vintage clipart http://www.fromoldbooks.org/

_______________________________________________
gimp-user-list mailing list
List address:    [hidden email]
List membership: https://mail.gnome.org/mailman/listinfo/gimp-user-list
List archives:   https://mail.gnome.org/archives/gimp-user-list
Reply | Threaded
Open this post in threaded view
|

Re: Gimp 2 - hexa colour bug on Windows ?

Users mailing list
Hello,

you say there are two colour pickers in GIMP right now.

Does right now mean 2.10, or is that true for 2.8 as well? I am using
2.8 and can only find one colour picker, the one that takes colours from
the image.

Hermann

Am 20.04.19 um 21:33 schrieb Liam R E Quin:

> On Sat, 2019-04-20 at 13:19 +0200, Pierre L. wrote:
>> but when I'm checking the colour with the picker it's not the same :/
> There are two colour pickers in GIMP right now. One takes colours from
> the image, and the other from anywhere on the screen.
>
> Try turning off view->colour management->colour-manage this view
> and you will probably get the same numbers, unless you are also using
> display filters on the image window such as Gamma.
>
> Liam
>
>
_______________________________________________
gimp-user-list mailing list
List address:    [hidden email]
List membership: https://mail.gnome.org/mailman/listinfo/gimp-user-list
List archives:   https://mail.gnome.org/archives/gimp-user-list
Reply | Threaded
Open this post in threaded view
|

Re: Gimp 2 - hexa colour bug on Windows ?

Users mailing list
Hi Herman,

On 21/04/2019 16:56, Hermann via gimp-user-list wrote:
> Does right now mean 2.10, or is that true for 2.8 as well? I am using
> 2.8 and can only find one colour picker, the one that takes colours
> from the image.

There are two colour pickers available in 2.8. (At least true for 2.8.22
as in the Linux Mint repository)

Both are available from the Toolbox.

The first is accessible from the "Eye Dropper" button, which can only
select from the image.

The second is accessible from the overlapping Foreground/Background
colour tool. When you click on either of the foreground/background
rectangles a colour picker dialogue opens and that includes an eye
dropper that will select a colour to use for that rectangle anywhere on
the screen.

Greg

_______________________________________________
gimp-user-list mailing list
List address:    [hidden email]
List membership: https://mail.gnome.org/mailman/listinfo/gimp-user-list
List archives:   https://mail.gnome.org/archives/gimp-user-list
Reply | Threaded
Open this post in threaded view
|

Re: Gimp 2 - hexa colour bug on Windows ?

Users mailing list
Hi Greg,

thank you for the explanation. Now i have got it.


Am 22.04.19 um 10:27 schrieb Greg Chapman via gimp-user-list:

> Hi Herman,
>
> On 21/04/2019 16:56, Hermann via gimp-user-list wrote:
>> Does right now mean 2.10, or is that true for 2.8 as well? I am using
>> 2.8 and can only find one colour picker, the one that takes colours
>> from the image.
>
> There are two colour pickers available in 2.8. (At least true for
> 2.8.22 as in the Linux Mint repository)
>
> Both are available from the Toolbox.
>
> The first is accessible from the "Eye Dropper" button, which can only
> select from the image.
>
> The second is accessible from the overlapping Foreground/Background
> colour tool. When you click on either of the foreground/background
> rectangles a colour picker dialogue opens and that includes an eye
> dropper that will select a colour to use for that rectangle anywhere
> on the screen.
>
> Greg
>
> _______________________________________________
> gimp-user-list mailing list
> List address:    [hidden email]
> List membership: https://mail.gnome.org/mailman/listinfo/gimp-user-list
> List archives:   https://mail.gnome.org/archives/gimp-user-list
_______________________________________________
gimp-user-list mailing list
List address:    [hidden email]
List membership: https://mail.gnome.org/mailman/listinfo/gimp-user-list
List archives:   https://mail.gnome.org/archives/gimp-user-list
Reply | Threaded
Open this post in threaded view
|

Re: Gimp 2 - hexa colour bug on Windows ?

Pierre L.
In reply to this post by Liam R E Quin
I've tried with both colour pickers, and turned off colour management in
the options.

There are 2 differents results with the 2 pickers :x

With the picker inside the colour chooser popup :
After turning off the colour management, the needed #808080 becomes a
#818181 (no colour management), it was #7f7f7f before (with colour
management)

If I use the picker from the toolbar, it's ok, #808080 is #808080.
I don't understand why there's a difference between those 2 pickers :/

--->
I'm curious, and made another test.
In parallel, I'm using Affinity Photo+Designer, and created / exported
some grey+red pixels, then imported into Gimp.
Results are not always the same. A really little difference, as before.
Do have I to conclude there's a problem with the colour management on my
windows computer ?



Le 20/04/2019 à 21:33, Liam R E Quin a écrit :
> There are two colour pickers in GIMP right now. One takes colours from
> the image, and the other from anywhere on the screen.
>
> Try turning off view->colour management->colour-manage this view
> and you will probably get the same numbers, unless you are also using
> display filters on the image window such as Gamma.

_______________________________________________
gimp-user-list mailing list
List address:    [hidden email]
List membership: https://mail.gnome.org/mailman/listinfo/gimp-user-list
List archives:   https://mail.gnome.org/archives/gimp-user-list