XEmacs returns the wrong values for display-color-cells

[Stephen J. Turnbull]

Are there really 32-bit displays?  I thought that those were all 24-bit displays
with 8-bits padding?

Would there really be any harm in claiming that a map with 4,294,967,296 cells
has "only" 16,777,216 for this purpose?  Or EMACS_MAX_INT?

(Sorry for the top-post.)

On Sat, Mar 12, 2011 at 4:20 AM, Jeff Sparkes <jsparkes at gmail.com> wrote:
> (display-color-cells) returns 256 on my 24 bit X display.  It returns 0 on
> ms-windows.  (It also returns 256 on gtk devices).
> What's happening is that it's returning the size of the default colormap,
> not largest possible one.
> I made it return a float to avoid overflow with a 32 bit depth display.
>
> --
> Jeff Sparkes
> jsparkes at gmail.com
>
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