Re: [NTG-context] Optimize code to create a environnementt with Metafun ?

26 Jul 2016

      Hi Wolfgang
Thanks once again !

\startMyFrame[Title=Thanks ]
\input knuth
\stopMyFrame

\startMyFrame[Title=once again !]
\input knuth
\stopMyFrame

Fabrice

2016-07-26 21:49 GMT+02:00 Wolfgang Schuster :
...
Fabrice Couvreur 
26. Juli 2016 um 20:21
Hi Hans,
I think I was not very clear.
Title first framed : Hans
Title second framed : Hagen
You can pass a title to the optional framedtext argument (use camel case
to avoid
using existing key names) and access the value later in the metapost
graphic.
Thanks
Fabrice
\setupbodyfont[pagella,11pt]
\setupcolors[state=start]
\defineframedtext
  [MyFrame]
  [before={\blank},
   after={\blank},
   frame=off,
   background=MyFrame,
   width=\textwidth,
width=max,
height=fit,
   style=italic]
\setvariables
  [text]
  [text1=Hans,
   text2=Hagen,]
\startuseMPgraphic{MyFrame}
 path b;
 picture p;
 p := textext.rt("\white\getvariable{text}{text1}");
p := textext.rt("\white\framedtextparameter{Title}");
p := p shifted (2BodyFontSize,OverlayHeight-ypart center p+.25ExHeight);
 b := boundingbox p leftenlarged .5EmWidth rightenlarged .5EmWidth;
 fill OverlayBox withcolor lightgray;
 fill b withcolor darkred;
 draw bottomboundary OverlayBox withpen pencircle scaled 1pt  withcolor
darkred;
 draw topboundary OverlayBox withpen pencircle scaled 1pt  withcolor
darkred;
 draw p;
 setbounds currentpicture to boundingbox currentpicture enlarged 2mm;
\stopuseMPgraphic
\defineoverlay
  [MyFrame]
  [\useMPgraphic{MyFrame}]
\starttext
\startMyFrame
\input knuth
\stopMyFrame
\startMyFrame
\input knuth
\stopMyFrame
\startMyFrame[Title=Hans]
\input knuth
\stopMyFrame
\startMyFrame[Title=Hagen]
\input knuth
\stopMyFrame
Wolfgang
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