[NTG-context] Define color with calculations
Mohammad Hossein Bateni
bateni at gmail.com
Mon Feb 18 17:44:31 CET 2019
Thanks, Henri! Works like a charm.
On Sun, Feb 17, 2019 at 11:03 PM Henri Menke <henrimenke at gmail.com> wrote:
> Use Lua.
>
>
> \def\eval#1{\ctxlua{%
> local context = context
> local _ENV = math
> context(#1)
> }}
>
> \definecolor[mycolor][r=\eval{0.5*0.7}]
>
> \starttext
>
> \color[mycolor]{Hello!}
>
> \stoptext
>
>
>
> On 18/02/19 4:37 PM, Mohammad Hossein Bateni wrote:
> > Hi,
> >
> > When I use definecolor, (how) can I use computations in setting the value
> > of a component? Something like the following...
> >
> > \definecolor[mycolor][r=0.5*0.7]
> >
> > Thanks,
> > ~MHB
> >
> >
> >
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> ___________________________________________________________________________________
> >
>
>
> ___________________________________________________________________________________
> If your question is of interest to others as well, please add an entry to
> the Wiki!
>
> maillist : ntg-context at ntg.nl /
> http://www.ntg.nl/mailman/listinfo/ntg-context
> webpage : http://www.pragma-ade.nl / http://context.aanhet.net
> archive : https://bitbucket.org/phg/context-mirror/commits/
> wiki : http://contextgarden.net
>
> ___________________________________________________________________________________
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