[NTG-context] Specifying font size as x-height

Max Chernoff mseven at telus.net
Sat May 28 08:49:34 CEST 2022


> How would one specify the font size in LMTX, but via x-height? 

You could try this:

     \starttexdefinition setxheight [#1][#2]
         \switchtobodyfont[#1, 12pt]
         \switchtobodyfont[#1, \cldcontext{tex.sp"#2" / tex.sp"1ex" * tex.sp"1em" .. "sp"}]
     \stoptexdefinition

Demo:

     \starttexdefinition setxheight [#1][#2]
         \switchtobodyfont[#1, 12pt]
         \switchtobodyfont[#1, \cldcontext{tex.sp"#2" / tex.sp"1ex" * tex.sp"1em" .. "sp"}]
     \stoptexdefinition
     
     \define[1]\sample{%
         \setxheight[#1][10pt] Hello%
     }
     
     \setuppapersize[letter, landscape]
     
     \starttext
         \dontleavehmode\rlap{\vrule width\textwidth height 10.5pt depth -10pt}%
         \processcommalist[modern, pagella, termes, heros, bonum, scholas, adventor, cursor, chorus, dejavu]\sample
     \stoptext

This is kind of a hacky solution though. It works reasonably well,
although there's likely a better (perhaps builtin?) way to do this.

-- Max


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