Re: Terminfo: 24-Bit/3-byte Color Support

[Rüdiger Sonderfeld]

On Tuesday 15 October 2013 06:50:14 Thomas Dickey wrote:
> On Tue, Oct 15, 2013 at 12:06:26PM +0200, Rüdiger Sonderfeld wrote:
> >     colors#16777216,
> 
> That won't work with terminfo, which uses signed 16-bit numbers.
> 
> If slang used ncurses' terminfo interface (it does not),
> I might consider making an extension,
> but I'd get too much interference from packagers to consider that.
> 
> Compatibility bites.

Changing terminfo to wider integers is probably not necessary.  This could be 
treated completely as an extension when setrgbf/setrgbb are added.

> >     setrgbf=\E[38;2;#1%d;#2%d;#3%dm,
> >     setrgbb=\E[48;2;#1%d;#2%d;#3%dm,
> 
> initc seems to do what's already needed - even for this item.

But initc is still limited to the 256 color index table.  Even if colors is 
extended then it is limited to 32767 colors (signed 16-bit).

Regards,
Rüdiger

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