tex/dimen.tex

   1 %
   2 % A tex file to help determine dims.
   3 %
   4
   5 \font\musicfont=musix16
   6 \font\slurfont=xslu16
   7 \font\specfont=musixspx
   8 % \def\thefont{\musicfont}
   9 \def\thefont{\specfont}
  10
  11 \def\mb#1{{\thefont\char#1}}
  12
  13 \newdimen\wid
  14 \newdimen\inc
  15 \newdimen\here
  16 \def\hruler#1{%
  17         \wid=#1pt
  18         \inc=\wid
  19         \divide\inc by #1
  20         \divide\wid by 2
  21         \here=-\wid
  22         \loop\ifdim\here<\wid\advance\here by\inc
  23                 \hbox to0pt{\kern\here\vrule width0.05pt height 4pt\hss}%
  24         \repeat%
  25 }
  26
  27 \def\vruler#1{%
  28         \wid=#1pt
  29         \inc=\wid
  30         \divide\inc by #1
  31         \divide\wid by 2
  32         \here=-\wid
  33         \loop\ifdim\here<\wid\advance\here by\inc
  34                 \vbox to0pt{\vskip\here\vrule width2pt height 0.05pt\vss}%
  35         \repeat%
  36 }
  37 \def\twhrul{\hbox to 0pt{\hbox{\hruler{20}\vrule
  38         width0.1pt height 3ptdepth 1pt}}}
  39 \def\twvrul{\hbox{\vbox to 20pt{\vruler{20}\vrule
  40         width3pt height 0.1pt}}}
  41
  42 \def\doitem#1{
  43         #1 %
  44          %\twvrul%doesn't work
  45         \hbox to 50pt{\qquad\twhrul\mb{#1}\hss}\setbox0=\hbox{\mb{#1}} width \the\wd0\ depth \the\dp0 \ height \the\ht0}
  46
  47 \newcount\n
  48 \def\charn{\n=-1
  49         \loop\ifnum\n<255\advance\n by1
  50         \doitem{\number\n}\endgraf\repeat}
  51
  52
  53         \charn
  54
  55 \bye