From: Eli Zaretskii <eliz@gnu.org>
To: help-gnu-emacs@gnu.org
Subject: Re: Working with colors in --batch mode
Date: Sun, 25 Dec 2022 20:05:59 +0200 [thread overview]
Message-ID: <83pmc72wag.fsf@gnu.org> (raw)
In-Reply-To: <87fsd3id8e.fsf@gmail.com> (message from Kévin Le Gouguec on Sun, 25 Dec 2022 18:50:57 +0100)
> From: Kévin Le Gouguec <kevin.legouguec@gmail.com>
> Date: Sun, 25 Dec 2022 18:50:57 +0100
>
> For some reason, today finds me playing with color contrast, and having
> a devil of a time doing so in --batch mode.
>
> Specifically, I'm stumped by…
>
> $ emacs --batch \
> --eval '(message "color-name-to-rgb: %s"
> (color-name-to-rgb "#abcdef"))'
>
> … returning…
>
> > color-name-to-rgb: (0.0 1.0 1.0)
>
> … whereas in a non-batch session on an X display, I get something more
> relevant to my usual Emacs experience (i.e. (window-system) ↦ x):
>
> > color-name-to-rgb: (0.6705882352941176 0.803921568627451 0.9372549019607843)
Emacs doesn't (and cannot, I think) load X colors unless it
initializes the X display, and that doesn't happen in batch sessions.
Basically, batch sessions behave like a colorless TTY session.
next prev parent reply other threads:[~2022-12-25 18:05 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-25 17:50 Working with colors in --batch mode Kévin Le Gouguec
2022-12-25 18:05 ` Eli Zaretskii [this message]
2022-12-25 18:22 ` Eli Zaretskii
2022-12-25 18:49 ` Kévin Le Gouguec
2022-12-26 17:40 ` Kévin Le Gouguec
2022-12-26 22:57 ` Stefan Monnier via Users list for the GNU Emacs text editor
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