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path: root/Master/texmf-dist/fonts/source/public/knuthotherfonts/mfbook/logobase.mf
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% Base file  for the METAFONT logo
logobase:=1;  % when logobase is known, this file has been input

def font_setup =
 if unknown slant: slant:=0 else: currenttransform:=
  identity slanted slant yscaled aspect_ratio fi;

 ygap#:=(ht#/13.5u#)*xgap#;              % vertical adjustment
 ho#:=o#;                                % horizontal overshoot
 leftstemloc#:=2.5u#+s#;                 % position of left stem
 barheight#:=.45ht#;                     % height of bar lines
 py#:=.9px#;                             % vertical pen thickness

 define_pixels(s,u);
 define_whole_pixels(xgap);
 define_whole_vertical_pixels(ygap);
 define_blacker_pixels(px,py);
 pickup pencircle xscaled px yscaled py;
 logo_pen:=savepen;
 define_good_x_pixels(leftstemloc);
 define_good_y_pixels(barheight);
 define_corrected_pixels(o);
 define_horizontal_corrected_pixels(ho); enddef;

def beginlogochar(expr code, unit_width) =
 beginchar(code,unit_width*u#+2s#,ht#,0);
 pickup logo_pen enddef;

def super_half(suffix i,j,k) =
 draw z.i{0,y.j-y.i}
 ... (.8[x.j,x.i],.8[y.i,y.j]){z.j-z.i}
 ... z.j{x.k-x.i,0}
 ... (.8[x.j,x.k],.8[y.k,y.j]){z.k-z.j}
 ... z.k{0,y.k-y.j} enddef;