[NTG-context] How to encircle text?

[NTG-context] How to encircle text?

[anton.chigurh]

I want to use \bigcirc to encircle text.
Is there a way to do it.
Tia
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[NTG-context] Re: How to encircle text?

[Hans Hagen via ntg-context]

On 11/5/2023 7:23 AM, anton.chigurh@mail.com wrote:
> I want to use \bigcirc to encircle text.
> Is there a way to do it.
if you're wiling to compensate for its depth:

\defineoverlay
   [BigCirc]
   [{\scale
       [width=\overlaywidth]
       {\setbox0\hpack{\bigcirc}\raise\dp0\box0}}]

\framed
   [background=BigCirc,
  % frame=off,
    width=3cm,
    height=3cm]
   {test}

but bigcirc isn't meant for that

\startusableMPgraphic{MetaCirc}
     draw fullcircle
         xyscaled 
(OverlayWidth-OverlayLineWidth,OverlayHeight-OverlayLineWidth)
         withpen pencircle scaled OverlayLineWidth
         withcolor OverlayColor ;
\stopusableMPgraphic

\defineoverlay[MetaCirc][\useMPgraphic{MetaCirc}]

\framed
   [background=MetaCirc,
    backgroundcolor=red,
    frame=off,
    rulethickness=1pt]
   {test}

\framed
   [background=MetaCirc,
    backgroundcolor=blue,
    rulethickness=.5pt]
   {test}

is more flexibel in the end

Hans


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[NTG-context] Re: How to encircle text?

[anton.chigurh]

Wow!
This certainly is not the noobie version!
All I wanted was to put a circle around a letter
for emphasis.
Thanks though
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[NTG-context] Re: How to encircle text?

[Pablo Rodriguez via ntg-context]

On 11/5/23 12:59, anton.chigurh@mail.com wrote:
> Wow!
> This certainly is not the noobie version!
> All I wanted was to put a circle around a letter
> for emphasis.

Anton,

it works as you intend:

  \starttext
  \startusableMPgraphic{MetaCirc}
       draw fullcircle
           xyscaled
  (OverlayWidth-OverlayLineWidth,OverlayHeight-OverlayLineWidth)
           withpen pencircle scaled OverlayLineWidth
           withcolor OverlayColor ;
  \stopusableMPgraphic

  \defineoverlay[MetaCirc][\useMPgraphic{MetaCirc}]

  a\dontleavehmode\framed
     [background=MetaCirc,
      backgroundcolor=red,
      frame=off,
      location=bottom,
      rulethickness=1pt]
     {b}c
  \stoptext

Just in case it helps,

Pablo
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