[NTG-context] Re: MetaPost lines in tables?

[Wolfgang Schuster <wolfgang.schuster.lists@gmail.com>]

Henning Hraban Ramm schrieb am 19.02.2024 um 22:39:
> I guess I asked this a while ago, but I can’t find an answer:
> Is it possible to replace the lines of a TABLE with my own MetaPost 
> graphics?
> 
> ATM I’m trying to place my MP lines behind a frame-less TABLE; it will 
> probably work, but it’s a crutch…

The example below draws a custom border for the whole cell but you're 
free to draw only certain sides (leftboundary etc. helps) but don't 
forget to set the boundary box for the graphic (OverlayBox is the size 
of the cell).

%%%% begin example
\startuseMPgraphic{dottedborder}
   draw OverlayBox withpen pencircle scaled 2 dashed withdots withcolor 
"red";
\stopuseMPgraphic

\defineoverlay[dottedborder][\useMPgraphic{dottedborder}]

\starttext

\bTABLE[frame=off,background=dottedborder]
   \bTR
     \bTD Hello Table! \eTD
   \eTR
\eTABLE

\stoptext
%%%% end example

Wolfgang
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