[NTG-context] add more blank space when using \starteffect[hidden]

Hans Hagen j.hagen at xs4all.nl
Wed Mar 17 14:57:19 CET 2021


On 3/16/2021 8:08 PM, Jeong Dal wrote:
> Dear Hans,
> 
> I found a command \determinenoflines by googling.
> I made a MWE as following. It is working well.
> 
> But I have to write the paragraph twice for couning.
> Is there a better way?
> 
> Thank you again.
> Best regards,
> 
> Dalyoung
> 
> %%%%%%%
> \def\StartHide{\doifmode{hideSolution}{\starteffect[hidden]}}
> \def\StopHide{\doifmode{hideSolution}{\stopeffect\blank[\the\noflines*line 
> + \the\noflines*halfline]}}
> 
> \enablemode[hideSolution]
> 
> \starttext
> 
> The first line.
> 
> \hrule
> \StartHide
> \samplefile{knuth}
> \determinenoflines{\samplefile{knuth}}
> \StopHide
> \hrule
> 
> The second line.
> 
> \hrule
> 
> \StartHide
> \samplefile{ward}
> \determinenoflines{\samplefile{ward}}
> \StopHide
> 
> \hrule
> 
> The last line.
> \stoptext
Let me show you some magic ...

\def\determinednoflines#1%
   {\localcontrolled{\determinenoflines{#1}}\noflines}

\startbuffer
     \input tufte
\stopbuffer

\fillinrules[n=\determinednoflines{\getbuffer},
   width=fit]{first}
\fillinrules[n=\determinednoflines{\getbuffer},
   width=broad]{first}
\fillinrules[n=\determinednoflines{\getbuffer},
   width=3cm]{first}
\fillinrules[n=\determinednoflines{\getbuffer},
   width=3cm,distance=.5em,separator=:]{first}
\fillinrules[n=\determinednoflines{\getbuffer}]{first}{last}

i'll make a better hider later

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