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* Are positional graphics still working?
@ 2021-02-16 23:18 Jairo A. del Rio
  2021-02-17  8:38 ` Hans Hagen
  2021-02-17 11:09 ` Hans Hagen
  0 siblings, 2 replies; 4+ messages in thread
From: Jairo A. del Rio @ 2021-02-16 23:18 UTC (permalink / raw)
  To: mailing list for ConTeXt users


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I've copied the following example from the ConTeXt archive:

\defineoverlay[frames][\positionoverlay{frames}]

\setupbackgrounds[text][background=frames]


\startMPpositiongraphic{frame}

if unknown context_apos : input mp-apos.mpiv ; fi ;

\MPgetposboxes{\MPvar{self}}{\MPanchorid}

if nofposboxes = 1 :

draw posboxes[1] ;

fi ;

\stopMPpositiongraphic


\startpositionoverlay{frames}

\setMPpositiongraphic{one}{frame}

\setMPpositiongraphic{two}{frame}

\stoppositionoverlay


\starttext

This \hpos{one}{word} should be \hpos{two}{framed}.

\stoptext

Frames are misplaced, so I don't know if that's a bug or something else has
been updated/changed/deprecated. Thank you in advance.

Jairo

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^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: Are positional graphics still working?
  2021-02-16 23:18 Are positional graphics still working? Jairo A. del Rio
@ 2021-02-17  8:38 ` Hans Hagen
  2021-02-17 11:09 ` Hans Hagen
  1 sibling, 0 replies; 4+ messages in thread
From: Hans Hagen @ 2021-02-17  8:38 UTC (permalink / raw)
  To: mailing list for ConTeXt users, Jairo A. del Rio

On 2/17/2021 12:18 AM, Jairo A. del Rio wrote:
> I've copied the following example from the ConTeXt archive:

there is a comment in the code

-- todo: anchor, page

so i'll look into it (not hard to fix)

in lmtx i want to add some more natural helpers to the interface; part 
of also updating the metafun manual (but first i need to do the 
periodical update of the luametatex manual - kind of boring an dless fun 
than metafun)

-----------------------------------------------------------------
                                           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 / http://www.ntg.nl/mailman/listinfo/ntg-context
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___________________________________________________________________________________

^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: Are positional graphics still working?
  2021-02-16 23:18 Are positional graphics still working? Jairo A. del Rio
  2021-02-17  8:38 ` Hans Hagen
@ 2021-02-17 11:09 ` Hans Hagen
  2021-02-17 13:03   ` Jairo A. del Rio
  1 sibling, 1 reply; 4+ messages in thread
From: Hans Hagen @ 2021-02-17 11:09 UTC (permalink / raw)
  To: mailing list for ConTeXt users, Jairo A. del Rio

On 2/17/2021 12:18 AM, Jairo A. del Rio wrote:
> I've copied the following example from the ConTeXt archive:
> 
> \defineoverlay[frames][\positionoverlay{frames}]
> 
> \setupbackgrounds[text][background=frames]
> 
> 
> \startMPpositiongraphic{frame}
> 
> if unknown context_apos : input mp-apos.mpiv ; fi ;
> 
> \MPgetposboxes{\MPvar{self}}{\MPanchorid}
> 
> if nofposboxes = 1 :
> 
> draw posboxes[1] ;
> 
> fi ;
> 
> \stopMPpositiongraphic
> 
> 
> \startpositionoverlay{frames}
> 
> \setMPpositiongraphic{one}{frame}
> 
> \setMPpositiongraphic{two}{frame}
> 
> \stoppositionoverlay
> 
> 
> \starttext
> 
> This \hpos{one}{word} should be \hpos{two}{framed}.
> 
> \stoptext
> 
> Frames are misplaced, so I don't know if that's a bug or something else 
> has been updated/changed/deprecated. Thank you in advance.
As a step-up to further integrated (more lmtx-ish) support for this the 
next upload will have this:

\defineoverlay[frames][\positionoverlay{frames}]

\setupbackgrounds[text][background=frames]

\startMPpositiongraphic{frame}
     getposboxes("self","anchor") ;
     if nofposboxes = 1 :
         draw posboxes[1] ;
     fi ;
\stopMPpositiongraphic

\startpositionoverlay{frames}
     \setMPpositiongraphic{one}{frame}
     \setMPpositiongraphic{two}{frame}
\stoppositionoverlay

\starttext
     This \hpos{one}{\strut word} should \hpos{two}{\strut also be framed}.
\stoptext

Hans


-----------------------------------------------------------------
                                           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 / 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
___________________________________________________________________________________

^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: Are positional graphics still working?
  2021-02-17 11:09 ` Hans Hagen
@ 2021-02-17 13:03   ` Jairo A. del Rio
  0 siblings, 0 replies; 4+ messages in thread
From: Jairo A. del Rio @ 2021-02-17 13:03 UTC (permalink / raw)
  To: Hans Hagen; +Cc: mailing list for ConTeXt users


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It works fine now. Thank you a lot for the fix.

Cordially,

Jairo :)

El mié, 17 de feb. de 2021 a la(s) 06:09, Hans Hagen (j.hagen@xs4all.nl)
escribió:

> On 2/17/2021 12:18 AM, Jairo A. del Rio wrote:
> > I've copied the following example from the ConTeXt archive:
> >
> > \defineoverlay[frames][\positionoverlay{frames}]
> >
> > \setupbackgrounds[text][background=frames]
> >
> >
> > \startMPpositiongraphic{frame}
> >
> > if unknown context_apos : input mp-apos.mpiv ; fi ;
> >
> > \MPgetposboxes{\MPvar{self}}{\MPanchorid}
> >
> > if nofposboxes = 1 :
> >
> > draw posboxes[1] ;
> >
> > fi ;
> >
> > \stopMPpositiongraphic
> >
> >
> > \startpositionoverlay{frames}
> >
> > \setMPpositiongraphic{one}{frame}
> >
> > \setMPpositiongraphic{two}{frame}
> >
> > \stoppositionoverlay
> >
> >
> > \starttext
> >
> > This \hpos{one}{word} should be \hpos{two}{framed}.
> >
> > \stoptext
> >
> > Frames are misplaced, so I don't know if that's a bug or something else
> > has been updated/changed/deprecated. Thank you in advance.
> As a step-up to further integrated (more lmtx-ish) support for this the
> next upload will have this:
>
> \defineoverlay[frames][\positionoverlay{frames}]
>
> \setupbackgrounds[text][background=frames]
>
> \startMPpositiongraphic{frame}
>      getposboxes("self","anchor") ;
>      if nofposboxes = 1 :
>          draw posboxes[1] ;
>      fi ;
> \stopMPpositiongraphic
>
> \startpositionoverlay{frames}
>      \setMPpositiongraphic{one}{frame}
>      \setMPpositiongraphic{two}{frame}
> \stoppositionoverlay
>
> \starttext
>      This \hpos{one}{\strut word} should \hpos{two}{\strut also be framed}.
> \stoptext
>
> Hans
>
>
> -----------------------------------------------------------------
>                                            Hans Hagen | PRAGMA ADE
>                Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
>         tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl
> -----------------------------------------------------------------
>

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___________________________________________________________________________________
If your question is of interest to others as well, please add an entry to the Wiki!

maillist : ntg-context@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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2021-02-16 23:18 Are positional graphics still working? Jairo A. del Rio
2021-02-17  8:38 ` Hans Hagen
2021-02-17 11:09 ` Hans Hagen
2021-02-17 13:03   ` Jairo A. del Rio

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