Re: list-colors-display shows only one color

[Andreas Schwab]

Eli Zaretskii <address@hidden> writes:

|> On Mon, 11 Feb 2002, Andreas Schwab wrote:
|> 
|> > |> That's the bug, right there: x-display-color-cells should report the
|> > |> true number of colors supported by the display.  If it reports 1, many
|> > |> features in color support will start to break down, list-colors-display
|> > |> being the least of them.
|> > 
|> > Hmm, (x-display-color-cells) returns 256 for me, although I'm working on
|> > a TrueColor 24-bit display.  man DisplayCells says:
|> > 
|> >        The DisplayCells macro returns the number of entries in
|> >        the default colormap.
|> 
|> I'm not sure I understand what are you saying.  Are you saying that 256 
|> is an incorrect value?  On X, x-display-color-cells returns what 
|> DisplayCells returns, so Emacs isn't ``guilty'' ;-)

What I want to say is that DisplayCells might not be the right function
in this context.  But then, I don't know what "default colormap" is
supposed to mean.

|> > xcolors can display all colors from rgb.txt simultanously, as it seems.
|> 
|> The number of colors you have on a 24-bit display is much larger than 
|> what rgb.txt shows, but the number of colors that are available in the 
|> colormap is typically smaller, so 256 doesn't sound very wrong to me.

Why shouldn't Emacs be able to display all colors as well?

Andreas.

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Andreas Schwab, SuSE Labs, address@hidden
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