From: "Drew Adams" <drew.adams@oracle.com>
To: "'Juri Linkov'" <juri@jurta.org>
Cc: 4033@emacsbugs.donarmstrong.com
Subject: bug#4033: 23.1; list-colors-display is misleading
Date: Tue, 4 Aug 2009 16:29:53 -0700 [thread overview]
Message-ID: <9FFA12BB16C74D6F91CB6550EA76B86A@us.oracle.com> (raw)
In-Reply-To: <87ws5j9rcv.fsf@mail.jurta.org>
> > I have had at least one user state that he thought that, since the
> > form shown is #RRGGBB, his colors had only that granularity. IOW,
> > even if one's system allows colors of the form #RRRRGGGGBBBB (more
> > colors), the color names are translated to hex strings of the form
> > #RRGGBB (fewer colors).
>
> Could you show a formula that calculates the color granularity?
>
> We could use it to print colors in the short format #RRGGBB
> for the smaller color space and #RRRRGGGGBBBB otherwise.
Dunno. I'm really no expert on this.
But IIUC `display-color-cells' gives info about the color depth / number of
colors supported by the display. I was assuming that whatever the display
supports Emacs would support too, but maybe that's a mistaken assumption.
So I was assuming that `display-color-cells' would indicate the number of colors
available (supported). Then, based on that I figured we should be able to know
how many hex digits to use for each component.
Maybe I'm wrong (it's beginning to sound like it), but that's how I was
thinking. Again, I know nothing about this stuff. It's quite likely I'm
confusing apples and oranges. Thanks to whoever clarifies this for me.
next prev parent reply other threads:[~2009-08-04 23:29 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-04 16:01 bug#4033: 23.1; list-colors-display is misleading Drew Adams
2009-08-04 18:04 ` Eli Zaretskii
2009-08-04 18:48 ` Drew Adams
2009-08-04 19:40 ` Drew Adams
2009-08-04 19:45 ` Eli Zaretskii
2009-08-04 19:58 ` Drew Adams
2009-08-04 22:59 ` Jason Rumney
2009-08-04 23:29 ` Drew Adams
2009-08-04 23:42 ` Jason Rumney
2009-08-04 23:55 ` Drew Adams
2009-08-05 3:22 ` Eli Zaretskii
2009-08-05 5:34 ` Drew Adams
2009-08-05 6:57 ` Jason Rumney
2009-08-05 17:34 ` Eli Zaretskii
2009-08-04 23:27 ` Andreas Schwab
2009-08-04 21:35 ` Juri Linkov
2009-08-04 23:29 ` Drew Adams [this message]
2009-08-05 2:25 ` Drew Adams
2009-08-05 2:58 ` Drew Adams
2009-08-05 21:35 ` Juri Linkov
2009-08-05 23:16 ` Drew Adams
2009-08-05 2:36 ` Drew Adams
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