seams this code means to put a hidden text with same size behind metapost
shape.
but it does not work properly for me (current version: 2024.04.01 08:59)
and produce empty page but with searchable hidden text.
also when i edit the code and replace metapost part like this:

\startMPcode
     draw lmt_outline [
         kind = "outline",
         text = "\getbuffer[MyText]",
      ]
         withcolor red
      ;
\stopMPcode

it produces a selectable hidden text on top of body and red text that drawn
by metapost below of that.

How can this problem be solved?

i attached the codes and pdf results.

On Mon, Apr 8, 2024 at 4:37 AM Hans Hagen <j.ha...@xs4all.nl> wrote:

> On 4/8/2024 8:22 AM, seyal zavira wrote:
> > thank you Harban and Keith McKay.
> >
> >     \startMPpage
> >            picture tt ; tt := lmt_outline [
> >                kind = "path",
> >                text = "\definedfont[name:texgyrepagellabold*default]foo
> >     f o o",
> >            ] ;
> >
> >            fill
> >               for i within tt : pathpart i && endfor cycle
> >               withshademethod "linear"
> >               withshadedirection down
> >               withshadecolors (red, blue) ;
> >     \stopMPpage
> >
> >     I'll add this:
> >
> >     \startMPpage
> >           draw lmt_outline [
> >               kind = "outline",
> >               text = "\definedfont[name:texgyrepagellabold*default]foo f
> >     o o",
> >           ]
> >               withshademethod "linear"
> >               withshadedirection down
> >               withshadecolors (red, blue)
> >           ;
> >     \stopMPpage
> >
> >     so a single path option (no picture)
> >
> >     Hans
> >
> >
> > Thank you so much for the sample examples
> > it would be great to also make text select able in output pdf
> > the third example currently does not work. did you mean you will add
> > this feature for next updates?
> we're talking outlines so that is paths which implies no search but you
> can do this (Keith and/or Hraban will explain and/or wikify it)
>
> \starttext
>
> \startbuffer[MyText]
>      \definedfont[name:texgyrepagellabold*default]foo f o o%
> \stopbuffer
>
> \startbuffer[MyText]
>      \framed[align=normal,frame=off]{\input{tufte}}%
> \stopbuffer
>
> \setbox\scratchbox\hbox\bgroup
>      \startMPcode
>           draw lmt_outline [
>               kind = "outline",
>               text = "\getbuffer[MyText]",
>           ]
>               withshademethod "linear"
>               withshadedirection down
>               withshadecolors (red, blue)
>           ;
>      \stopMPcode
> \egroup
>
> \startoverlay
>
>
> {\scale[height=\htdp\scratchbox,width=\wd\scratchbox]{\effect[hidden]{\getbuffer[MyText]}}}
>      {\box\scratchbox}
> \stopoverlay
>
> \stoptext
>
>
>
>
> -----------------------------------------------------------------
>                                            Hans Hagen | PRAGMA ADE
>                Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
>         tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl
> -----------------------------------------------------------------
>
>
> ___________________________________________________________________________________
> If your question is of interest to others as well, please add an entry to
> the Wiki!
>
> maillist : ntg-context@ntg.nl /
> https://mailman.ntg.nl/mailman3/lists/ntg-context.ntg.nl
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> ___________________________________________________________________________________
>
\starttext

\startbuffer[MyText]
     \definedfont[name:texgyrepagellabold*default]foo f o o%
\stopbuffer

\startbuffer[MyText]
     \framed[align=normal,frame=off]{a sample text}%
\stopbuffer

\setbox\scratchbox\hbox\bgroup
     \startMPcode
          draw lmt_outline [
              kind = "outline",
              text = "\getbuffer[MyText]",
          ]
              withshademethod "linear"
              withshadedirection down
              withshadecolors (red, blue)
          ;
     \stopMPcode
\egroup

\startoverlay

{\scale[height=\htdp\scratchbox,width=\wd\scratchbox]{\effect[hidden]{\getbuffer[MyText]}}}
     {\box\scratchbox}
\stopoverlay

\stoptext

Attachment: test1.pdf
Description: Adobe PDF document

\starttext

\startbuffer[MyText]
     \definedfont[name:texgyrepagellabold*default]foo f o o%
\stopbuffer

\startbuffer[MyText]
     \framed[align=normal,frame=off]{a sample text}%
\stopbuffer

\setbox\scratchbox\hbox\bgroup
     \startMPcode
          draw lmt_outline [
              kind = "outline",
              text = "\getbuffer[MyText]",
          ]
              withcolor red;
          ;
     \stopMPcode
\egroup

\startoverlay

{\scale[height=\htdp\scratchbox,width=\wd\scratchbox]{\effect[hidden]{\getbuffer[MyText]}}}
     {\box\scratchbox}
\stopoverlay

\stoptext

Attachment: test2.pdf
Description: Adobe PDF document

___________________________________________________________________________________
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Wiki!

maillist : ntg-context@ntg.nl / 
https://mailman.ntg.nl/mailman3/lists/ntg-context.ntg.nl
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archive  : https://github.com/contextgarden/context
wiki     : https://wiki.contextgarden.net
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