1 font_identifier:="xhsld16";
5 stepwidth#:=1/8designsize;% -> \internote
6 define_pixels(stepwidth);
7 define_blacker_pixels(thick);
10 numlengths:=8;%(20-90pt)
13 for j=1 upto numlengths:
14 slength#:=(j+1)*10pt#;
15 define_pixels(slength);
17 for i=1 upto numheights:
18 beginchar(incr code, slength#, 0, 0);
19 x1=y1=0;x3=slength;y3=2y1'= i*stepwidth;
20 x1'=.5x3;z3'-z1'=whatever*dir(angle(z3-z1)+90);
21 if x3> y3:y3'=0;else:x3'=slength;fi
24 penpos2(2/3thick,(angle(z3-z1)+90));
25 penpos3(.15thick,(angle(z3-z1)+90));
26 penstroke z1e..z2e..z3e;
27 pickup pencircle; draw z1..z2..z3;% draw z1--z3; draw z1'--z3';
28 save_pic:=currentpicture;
31 beginchar(128+code, slength#, 0, 0);
32 currentpicture:=save_pic reflectedabout((.5slength,0),(.5slength, 1));