GNU bug report logs - #41544
26.3; Possible incorrect results from color-distance

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Package: emacs;

Reported by: Simon Pugnet <simon <at> polaris64.net>

Date: Tue, 26 May 2020 16:34:01 UTC

Severity: normal

Tags: patch

Found in version 26.3

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Message #40 received at 41544 <at> debbugs.gnu.org (full text, mbox):

From: "Basil L. Contovounesios" <contovob <at> tcd.ie>
To: Mattias Engdegård <mattiase <at> acm.org>
Cc: Tom Tromey <tom <at> tromey.com>, Simon Pugnet <simon <at> polaris64.net>,
 41544 <at> debbugs.gnu.org
Subject: Re: bug#41544: 26.3; Possible incorrect results from color-distance
Date: Mon, 01 Jun 2020 20:46:49 +0100

Mattias Engdegård <mattiase <at> acm.org> writes:

> Emacs does this sort of is-this-colour-dark computation in at least 7
> different places, with different algorithms:
>
> * max(r,g,b) < 0.5
> * r+g+b < 0.5*3
> * color-distance(c, "black") < 292485

Does the list of 7 places already include net/shr-color.el?

-- 
Basil
This bug report was last modified 4 years and 304 days ago.

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