1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
|
cmchar "Tao";
beginchar(oct"177",18u#,cap_height#,18u#-cap_height#);
adjust_fit(0,0); pickup fine.nib;
bot y1=cap_height;
y2=-d; y3=.5[y1,y2];
y6=.666[y2,y3]; y7=.333[y2,y3];
top y5=.333[y3,y1]; bot y4=.666[y3,y1];
y11=.25[y2,y1]; y10=.75[y2,y1]; y13=y3;x13=w;
x1=x2=x3=x4=x5=x6=x7=.5w; penpos2(hair,90);
lft x10=.25w; lft x11=.75w;
draw z1..z2..cycle;
fill z6..z7..cycle;
fill z2r{right}..z11{up}..z3{left}..z10{up}..z1{right}..
z13{down}..z2l{left}--z2r..cycle;
unfill z4..z5..cycle; penlabels(1,2,3,4,5,6,7,10,11,13);
endchar;
picture savedpicture;
cmchar "Diaeresis";
beginchar(oct"042",9u#,circ_ht#,0);
adjust_fit(0,0);diaeresis(.5w);
endchar;
picture savedpicture;
cmchar "Iota subscript";
beginchar("|",9u#,0,.6desc_depth#);
adjust_fit(0,0);iota_sub(.5w);
endchar;
picture savedpicture;
def width = 5u enddef;
def dims = width#,x_height#,0 enddef;
def ital = 0 enddef;
def fit_params = if monospace: u#,u# else:0,2curve#-3u# fi enddef;
def gen_letter=
pickup fine.nib;
pos1(flare,180); lft x1r=hround u; top y1=x_height+oo; % top
numeric neck; neck=.2[hair,stem];
pos2(neck,180); .2[lft x2r,rt x2l]=.2[lft x1r,rt x1l]; % neck
pos3(curve,-90); bot y3r=-oo; % bottom
y2r=if monowidth: 2 else: 1.5 fi[bot y3r,top y3l];
z3r-z2r=whatever*(1,-1.25);
if monowidth:
y4r+.5neck=vround y2r; x3=.5[x2,x4]; pos4(neck,0); % tip of hook
filldraw stroke z4e...z3e...z2e---z1e;
else:
z4l=z4r; top y4r=y2r; z4l-z3l=whatever*(1,1);
path p.r, p.l; forsuffixes e=r,l: p.e=z1e---z2e...z3e...z4e; endfor
rt x3.5r=hround(rt xpart directionpoint up of p.r);
z4'r=direction 3 of p.r; z3'r=direction 2 of p.r;
forever: % avoid bad vertical tangent between 2l and 3l
x2.5l:= rt xpart directionpoint down of p.l;
exitif abs(hround(x2.5l)-x2.5l)<.05;
x2l:=x2l+hround(x2.5l)-x2.5l; p.l:=(z1l---z2l...z3l...z4l);
endfor
p.r:=z1r---z2r...club.r(3,3.5,4);
% avoid bad vertical tangent between 3r and 4r
filldraw stroke p.e;
fi
traba(.5u);
numeric x_baryctr; x_baryctr=x1;
enddef;
cmchar "Inverse lowercase iota with circumflex";
beginchar(oct"126",width#,circ_ht#,0);
this_letter; circumflex(x_baryctr);
transform anokato; anokato:= identity rotatedaround ((.5w,.5[y3r,y1]),180);
currentpicture:= currentpicture transformed anokato;
endchar;
picture savedpicture;
def width = 8.5u enddef;
def height = x_height enddef;
def depth = desc_depth enddef;
def dims = width#,height#,depth# enddef;
def ital = 0 enddef;
def fit_params = 0,0 enddef;
def gen_letter_rho =
adjust_fit(0,0);
pickup fine.nib;
lft x4r=hround .75u; x8r=w-x4r; y4r=y8r=.5x_height; % left and right
top y2r=x_height+oo; bot y6r=-oo; x2r=x6r=.5w; % top and bottom
filldraw stroke
gr_arc.e(4,5,6)(curve,vair,-otilt) & gr_arc.e(6,7,8)(curve,vair,-otilt) &
gr_arc.e(8,1,2)(curve,vair,-otilt) & gr_arc.e(2,3,4)(curve,vair,-otilt);
if straight:
y9-.5stem=-d-oo; x9=x4; pos9(stem,180); % end of handle
filldraw circ_stroke z9e..z4e;
else:
y9=-d-oo; x9=lft x4r+.5stem; % end of handle
pos9(stem,angle((z9-z4)xscaled3)-120); z9'r=z9'l=(z9-z4)xscaled3;
rt x10l=lft x10r+vair; % vertical tangents of handle
x10r=x4r-epsilon; assign_z4'r((-2eps,-1)); % so club.r won't get confused
filldraw double_circ_stroke club.e(4,10,9);
fi
numeric x_baryctr; x_baryctr=x2; % breathing placement
enddef;
cmchar "Lowercase rho with rough breathing";
beginchar(oct"010",width#,acc_ht#,depth#);
gen_letter_rho; spirit(x_baryctr)<; endchar;
cmchar "Lowercase rho with smooth breathing";
beginchar(oct"011",width#,acc_ht#,depth#);
gen_letter_rho; spirit(x_baryctr)>; endchar;
picture savedpicture;
cmchar "Uppercase Qappa";
beginchar(oct"103",12u#,cap_height#,0);
italcorr .75cap_height#*slant-.5u#;
adjust_fit(cap_serif_fit#,0);
pickup tiny.nib; penpos1(cap_stem'-tiny,0); penpos2(cap_stem-tiny,0);
pos0(cap_stem',0); pos0'(cap_stem,0);
lft x1l=hround max(2u,3u-.5cap_stem'); top y1=h; bot y2=0;
x1l=x2l=x0l=x0'l; y0=y0'=y7;
penpos3(cap_band,90); penpos4(cap_band,90);
penpos5(cap_curve if hefty:-3stem_corr fi,0);
penpos6(.5[vair,cap_band],-90); penpos7(.5[vair,cap_band],-90);
z3r=top z1; y4=y3; y5=.5[y4l,y6l]; y6=y7;
x7=x2; y7l=vround .5h; x4=x6=.5w+.75u; x5r=hround(w-u);
x4l:=x6l:=x4-.25cap_curve;
filldraw stroke z1e--z0e--z0'e--z2e; % stem
fill stroke z3e..pulled_arc.e(4,5) & pulled_arc.e(5,6)..z7e; % lobe
if serifs: dish_serif(1,0,a,1/3,cap_jut,b,1/3,.5cap_jut); % upper serif
dish_serif(2,0',c,1/3,cap_jut,d,1/3,cap_jut); fi % lower serif
math_fit(0,ic#-2.5u#); transform antistrofh;
antistrofh=identity reflectedabout ((w/2,0),(w/2,1));
picture krufo;
krufo=currentpicture transformed antistrofh;
picture currentpicture;
currentpicture=krufo;
penlabels(0,1,2,3,4,5,6,7); endchar;
picture savedpicture;
def ital = 0 enddef;
def fit_params = -.25,0 enddef;
cmchar "lowercase sanpi";
beginchar(oct"136",13u#,.9body_height#,0);
adjust_fit(0,0);
penpos1(vstem,135); penpos2(1.2cap_stem,0);
x2r=hround(w-.75u); y2=0;
top y1=hround(h-u); lft x1r=0;
fill z2l{-4/5,1}..z1l--z1r..{3/5,-1}z2r--z2l--cycle;
penpos3(cap_stem,45); penpos4(hair,0);
penpos8(hair,-45);
penpos5(cap_stem,45); penpos6(hair,0);
penpos7(hair,-45);
x3=x8=.33x2l; x5=x7=2x3;
x4r=x3-vstem;
x6r=x5-.8vstem;
y4=.5y8; y6=.5y7;
y3=y5=0;
y8=.66h; y7=.45h;
filldraw circ_stroke z3e...z4e...z8e;
filldraw circ_stroke z5e...z6e...z7e;
penlabels(1,2,3,4,5,6,7,8); endchar;
picture savedpicture;
cmchar "lowercase qoppa";
beginchar(oct"133",9u#,.5(body_height#+x_height#),0);
adjust_fit(0,0);
pickup pencircle xscaled vstem rotated 25;
y1=y2=x_height; x1=1.5u; x2=7.5u;
draw z1..z2..cycle;
penpos3(hair,0); penpos4(1.7stem,45);
y3=x_height-3u;
x3=x4=4.5u; y4=0;
filldraw circ_stroke z4e---z3e;
penlabels(1,2,3,4);
endchar;
picture savedpicture;
def gen_qoppa =
pickup pencircle xscaled 1.11stem rotated 25;
y1=0.5x_height; y2-y1=0.125d; y3=-d; y4-y1=y2-y3;
x1=0; rt x2=w; x2-x3=.25w; x4-x1=.25w;
draw z1--z2;
draw z3--z2;
draw z1--z4;
enddef;
cmchar "variation of lowercase qoppa";
beginchar(oct"134",8u#,1.125desc_depth#,desc_depth#);
adjust_fit(0,0);
gen_qoppa;
endchar;
picture savedpicture;
cmchar "Uppercase Sanpi";
beginchar(oct"137",15u#,cap_height#,0);
adjust_fit(cap_serif_fit#,cap_serif_fit#);
numeric left_stem,right_stem,outer_jut,alpha;
right_stem=cap_stem-stem_corr;
left_stem=min(cap_hair if hefty: -3stem_corr fi,right_stem);
outer_jut=.8cap_jut; x1l=w-x4r=l+letter_fit+outer_jut+.5u; y1=y4=0;
x2-x1=x4-x3; x3r=x2r+apex_corr; y2=y3=h+apex_o+apex_oo;
alpha=diag_ratio(2,left_stem,y2-y1,x4r-x1l-apex_corr);
penpos1(alpha*left_stem,0); penpos2(alpha*left_stem,0);
penpos3(alpha*right_stem,0); penpos4(alpha*right_stem,0);
z0=whatever[z1r,z2r]=whatever[z3l,z4l];
if y0<h-cap_notch_cut: y0:=h-cap_notch_cut;
fill z0+.5right{down}...{z4-z3}diag_end(3l,4l,1,1,4r,3r)
--diag_end(4r,3r,1,1,2l,1l)--diag_end(2l,1l,1,1,1r,2r){z2-z1}
...{up}z0+.5left--cycle; % left and right diagonals
else: fill z0--diag_end(0,4l,1,1,4r,3r)--diag_end(4r,3r,1,1,2l,1l)
--diag_end(2l,1l,1,1,1r,0)--cycle; fi % left and right diagonals
penpos5(whatever,angle(z2-z1)); z5=whatever[z1,z2];
penpos6(whatever,angle(z3-z4)); z6=whatever[z3,z4]; y6=y5;
if hefty: y5r else: y5 fi =8/12y0;
y5r-y5l=y6r-y6l=cap_band;
y7=0;x7=x1+x6-x5;
penpos7(whatever,180);
x1r-x1l=x7r-x7l;fill z6r--z7l--z7r--z6l--z6r--cycle;
if serifs: numeric inner_jut; pickup tiny.nib;
prime_points_inside(1,2); prime_points_inside(4,3);
prime_points_inside(7,6); numeric med_jut;
med_jut=x7l-x4l+inner_jut+x7-outer_jut;
if rt x1'r+cap_jut+.5u+1<=lft x4'l-cap_jut: inner_jut=cap_jut;
else: rt x1'r+inner_jut+.5u+1=lft x4'l-inner_jut; fi
dish_serif(1',2,a,1/2,outer_jut,b,.6,inner_jut)(dark); % left serif
dish_serif(7',6,e,1/2,med_jut,f,.6,inner_jut)(dark); % left serif
dish_serif(4',3,c,1/2,inner_jut,d,1/3,outer_jut); fi % right serif
penlabels(0,1,2,3,4,5,6,7); endchar;
def gen_digamma =
pickup pencircle xscaled 1.11stem rotated 25;
y1=-desc_depth;
y4=x_height=y5;
y2=y3=.55x_height;
lft x1=0; x2=x4=x1;
rt x5=w; rt x3=.65w;
draw z1--z2--z4;
draw z4--z5;
draw z2--z3;
enddef;
cmchar "variation of lowercase digamma";
beginchar(oct"020",8u#,x_height#,desc_depth#);
adjust_fit(0,0);
gen_digamma;
endchar;
vstem#:=cap_stem#;
cmchar "lowercase digamma version 3.12.88";
beginchar(oct"135",10u#,x_height#+2vstem#,2vstem#)
adjust_fit(0,0);
pickup fine.nib;
pos0(hair,-180); pos3(1.2vstem,90);
pos4(hair,-180); pos5(1.5vstem,-90);
pos6(hair,-180); pos8(hair,90);
pos7(vstem,90); pos9(hair,-90);
pos10(hair,-180);pos11(hair,-90);
pos12(hair,-135); pos13(hair,-180); pos14(hair,-90);
z8=z10;
bot y9r=-2vstem; bot y8l=0; bot y7l=0; y5=y4;
y6=.5(y5r-y8r); y4=.5x_height+.7vstem;
y3l=x_height; y0=x_height+2vstem; y11=.25x_height; y12l=y14l=y13l=y9l;
x8=.5w; x9=x8+vstem; x7=.25w;
x6=.75w; x5=x8; lft x4r=0; x3=.66w; x11=x7;
x0=1.2w; x12l=x14l=x13l; x13=x8;
filldraw circ_stroke z0e{down}...z3e{left}...z4e{down};
filldraw double_circ_stroke z4e{down}...z11e{right}...z5e{right}...
z6e{down}...z8e{left};
filldraw circ_stroke z8e{left}...z7e{left};
filldraw circ_stroke z9e{left}---z14e...z12e...z13e---z10e{up};
penlabels(0,3,4,5,6,7,8,9,10);
endchar;
def gen_Digamma =
pickup tiny.nib; pos1(cap_stem,0); pos2(cap_stem,0);
lft x1l=lft x2l=hround max(2u,3u-.5cap_stem); top y1=h; bot y2=0;
filldraw stroke z1e--z2e; % stem
pickup crisp.nib; pos3(slab,90); pos4(hair,0);
top y3r=h; x3=x1; rt x4r=hround(w-.75u); y4=good.y(y3l-beak)-eps;
arm(3,4,e,beak_darkness,beak_jut); % upper arm and beak
pos5(cap_bar,-90); pos6(hair,0);
top y5l=vround(.5[y2,y1]+.5cap_bar); x5=x1;
pos0(cap_bar,90); pos7(hair,0);
z0=z5; x6=x7; y6-y5l=y0l-y7;
if serifs: rt x6r=hround(w-4u+.5hair); y6=good.y(y5l+.6beak)+eps;
rt x9r=hround(w-.5u);
else: rt x6r=hround(w-1.5u); y6=y5l+eps; rt x9r=hround(w-.75u); fi
arm(5,6,f,beak_darkness,0); arm(0,7,g,beak_darkness,0); % middle arm and serif
if serifs: nodish_serif(1,2,a,1/3,cap_jut,b,1/3,.5cap_jut); % upper serif
dish_serif(2,1,c,1/3,cap_jut,d,1/3,1.25cap_jut); fi % lower serif
math_fit(0,ic#-2.5u#);
enddef;
cmchar "Uppercase digamma (in our days known as F)";
beginchar(oct"021",11.5u#-width_adj#,cap_height#,0);
italcorr cap_height#*slant-beak_jut#-.25u#;
adjust_fit(cap_serif_fit#,0);
h:=vround(h-stem_corr);
gen_Digamma;
penlabels(0,1,2,3,4,5,6,7,8,9); endchar;
cmchar"upper numeric stroke";
beginchar(oct"044",5u#,acc_ht#,0);
adjust_fit(0,0); acute(.3w);
endchar;
picture savedpicture;
cmchar"under numeric stroke";
beginchar(oct"046",5u#,acc_ht#,desc_depth#);
adjust_fit(0,0); acute(.7w);
transform katebasma;
katebasma:=identity shifted (0,-acc_ht);
currentpicture:=currentpicture transformed katebasma;
transform gurisma;
gurisma:=identity rotatedaround(.5[z21,z22] transformed katebasma,180);
currentpicture:=currentpicture transformed gurisma;
endchar;
picture savedpicture;
cmchar "Grave accent";
beginchar(oct"001",9u#,acc_ht#,0);
adjust_fit(0,0);grave(.5w);
endchar;
cmchar "Rough breathing with grave";
beginchar(oct"002",9u#,acc_ht#,0);
adjust_fit(0,0);spirit_grave(.5w)<;
endchar;
cmchar "Smooth breathing with grave";
beginchar(oct"003",9u#,Circ_ht#,0);
adjust_fit(0,0);spirit_grave(.5w)>;
endchar;
cmchar "Diaeresis with grave";
beginchar(oct"004",9u#,acc_ht#,0);
adjust_fit(0,0);diaeresis_grave(.5w);
endchar;
cmchar "Diaeresis with circumflex";
beginchar(oct"005",9u#,Circ_ht#,0);
adjust_fit(0,0);diaeresis_circumflex(.5w);
endchar;
cmchar "Breve accent";
beginchar(oct"006",9u#,min(asc_height#,2x_height#),0);
italcorr h#*slant+1.0vair#-1.5u#;
adjust_fit(0,0);
pickup crisp.nib; pos1(1.5vair,-180); pos3(1.5vair,0);
top y1=top y3=h; lft x1r=w-rt x3r=hround(2u-.5vair);
numeric mid_thickness; mid_thickness=vround 1/3[vair,stem];
pos2(mid_thickness,-90); x2=.5w;
bot y2r=vround max(x_height+o+tiny,1/3[x_height,h]+o-.5mid_thickness);
filldraw stroke z1e{down}...z2e{right}...{up}z3e; % stroke
endchar;
cmchar "Macron (bar) accent";
numeric macron_breadth#; macron_breadth#=.2[vair#,stem#];
beginchar(oct"007",9u#,.4[x_height#,asc_height#]+macron_breadth#,0);
italcorr h#*slant-.75u#;
adjust_fit(0,0);
numeric macron_breadth; macron_breadth:=Vround .2[vair,stem];
pickup if serifs: crisp.nib else: fine.nib fi;
pos1(macron_breadth,90); pos2(macron_breadth,90);
top y1r=top y2r=h+o; lft x1=w-rt x2=hround 1.25u;
filldraw stroke z1e--z2e; % bar
endchar;
old_u#:=u#; % unit width
old_width_adj#:=width_adj#; % width adjustment for certain characters
old_cap_serif_fit#:=cap_serif_fit#;
old_cap_height#:=cap_height#; % height of caps
old_desc_depth#:=desc_depth#;
old_beak#:=beak#;
old_tiny#:=tiny#; % diameter of rounded corners
old_fine#:=fine#; % diameter of sharply rounded corners
old_hair#:=hair#; % lowercase hairline breadth
old_stem#:=stem#; % lowercase stem breadth
old_curve#:=curve#; % lowercase curve breadth
old_cap_stem#:=cap_stem#; % uppercase stem breadth
old_o#:=o#;
old_cap_jut#:=cap_jut#; % protrusion of uppercase serifs
old_beak_jut#:=beak_jut#; % horizontal protrusion of beak serifs
old_vair#:=vair#; % vertical diameter of hairlines
old_slab#:=slab#; % serif and arm thickness
old_cap_bar#:=cap_bar#; % uppercase bar thickness
old_stem_corr#:=stem_corr#; % for small refinements of stem breadth
old_otilt:=otilt;
old_beak_darkness:=beak_darkness; % fraction of triangle inside beak serifs
% parameters for the four slanted characters
slant:=ysl_slant;
font_setup;
cmchar "Slanted Lowercase rho with rough breathing";
beginchar(oct"012",width#,acc_ht#,depth#);
gen_letter_rho; spirit(x_baryctr)<; endchar;
cmchar "Slanted Lowercase rho with smooth breathing";
beginchar(oct"013",width#,acc_ht#,depth#);
gen_letter_rho; spirit(x_baryctr)>; endchar;
cmchar "Slanted Uppercase digamma (in our days known as F)";
beginchar(oct"023",11.5u#-width_adj#,cap_height#,0);
italcorr cap_height#*slant-beak_jut#-.25u#;
adjust_fit(cap_serif_fit#,0);
h:=vround(h-stem_corr);
gen_Digamma;
penlabels(0,1,2,3,4,5,6,7,8,9); endchar;
cmchar "slanted variation of lowercase digamma";
beginchar(oct"022",8u#,x_height#,desc_depth#);
adjust_fit(0,0);
gen_digamma;
endchar;
picture savedpicture;
% parameters for the four italic characters
u#:=yit_u#; % unit width
hair#:=yit_hair#; % lowercase hairline breadth
curve#:=yit_curve#; % lowercase curve breadth
cap_stem#:=yit_cap_stem#; % uppercase stem breadth
cap_jut#:=yit_cap_jut#; % protrusion of uppercase serifs
beak_jut#:=yit_beak_jut#; % horizontal protrusion of beak serifs
slant:=yit_slant; % tilt ratio $(\Delta x/\Delta y)$
font_setup;
def width = 8.25u enddef;
def height = x_height enddef;
def depth = desc_depth enddef;
def dims = width#,height#,depth# enddef;
def ital = 0 enddef;
def fit_params = 0,0 enddef;
def gen_it_rho =
adjust_fit(0,0); pickup fine.nib;
pos2(stem,180); pos3(vair,90); pos4(curve,0); pos5(vair,-90); pos6(stem,-180);
lft x2r=hround(1.5u-.5stem); x2=x6; x3=x5=.5[x2,x4];
rt x4r=hround(w-1.5u+.5curve);
y2=y4=y6=.5[y3,y5]; top y3r=x_height+oo; bot y5r=-oo;
filldraw circ_stroke pulled_arc.e(2,3) & pulled_arc.e(3,4)
& pulled_arc.e(4,5) & pulled_arc.e(5,6); % bowl
pos2'(hair,-180); z2'r=z2r; pos1(vstem,-90); pos1'(vstem,90); z1'=z1;
pos0(hair,0); rt x0r=hround(w-u); bot y0=-d; bot y1r=vround-.9d; x1=x5;
interim superness:=sqrt superness;
filldraw stroke pulled_arc.e(0,1'); filldraw stroke pulled_arc.e(1,2'); % tail
math_fit(desc_depth#*slant+.5stem#-u#,ic#);
numeric x_baryctr; x_baryctr=x3; % breathing placement
enddef;
cmchar "Italic Lowercase rho with rough breathing";
beginchar(oct"014",width#,acc_ht#,depth#);
gen_it_rho; spirit(x_baryctr)<; endchar;
cmchar "Italic Lowercase rho with smooth breathing";
beginchar(oct"015",width#,acc_ht#,depth#);
gen_it_rho; spirit(x_baryctr)>; endchar;
cmchar "Italic Uppercase digamma (in our days known as F)";
beginchar(oct"025",11.5u#-width_adj#,cap_height#,0);
italcorr cap_height#*slant-beak_jut#-.25u#;
adjust_fit(cap_serif_fit#,0);
h:=vround(h-stem_corr);
gen_Digamma;
penlabels(0,1,2,3,4,5,6,7,8,9); endchar;
cmchar "Italic variation of lowercase digamma";
beginchar(oct"024",8u#,x_height#,desc_depth#);
adjust_fit(0,0);
gen_digamma;
endchar;
% parameters for the four boldface characters
u#:=ybf_u#; % unit width
width_adj#:=ybf_width_adj#; % width adjustment for certain characters
cap_serif_fit#:=ybf_cap_serif_fit#;
cap_height#:=ybf_cap_height#; % height of caps
x_height#:=ybf_x_height#; % height of lowercase without ascenders
tiny#:=ybf_tiny#; % diameter of rounded corners
fine#:=ybf_fine#; % diameter of sharply rounded corners
hair#:=ybf_hair#; % lowercase hairline breadth
stem#:=ybf_stem#; % lowercase stem breadth
curve#:=ybf_curve#; % lowercase curve breadth
cap_stem#:=ybf_cap_stem#; % uppercase stem breadth
o#:=ybf_o#;
cap_jut#:=ybf_cap_jut#; % protrusion of uppercase serifs
beak_jut#:=ybf_beak_jut#; % horizontal protrusion of beak serifs
vair#:=ybf_vair#; % vertical diameter of hairlines
slab#:=ybf_slab#; % serif and arm thickness
cap_bar#:=ybf_cap_bar#; % uppercase bar thickness
stem_corr#:=ybf_stem_corr#; % for small refinements of stem breadth
slant:=ybf_slant; % tilt ratio $(\Delta x/\Delta y)$
beak_darkness:=ybf_beak_darkness; % fraction of triangle inside beak serifs
font_setup;
cmchar "Boldface Lowercase rho with rough breathing";
beginchar(oct"016",width#,acc_ht#,depth#);
gen_letter_rho; spirit(x_baryctr)<; endchar;
cmchar "Boldface Lowercase rho with smooth breathing";
beginchar(oct"017",width#,acc_ht#,depth#);
gen_letter_rho; spirit(x_baryctr)>; endchar;
cmchar "Boldface Uppercase digamma (in our days known as F)";
beginchar(oct"027",11.5u#-width_adj#,cap_height#,0);
italcorr cap_height#*slant-beak_jut#-.25u#;
adjust_fit(cap_serif_fit#,0);
h:=vround(h-stem_corr);
gen_Digamma;
penlabels(0,1,2,3,4,5,6,7,8,9); endchar;
cmchar "Boldface variation of lowercase digamma";
beginchar(oct"026",8u#,x_height#,desc_depth#);
adjust_fit(0,0);
gen_digamma;
endchar;
u#:=old_u#; % unit width
width_adj#:=old_width_adj#; % width adjustment for certain characters
cap_serif_fit#:=old_cap_serif_fit#;
cap_height#:=old_cap_height#; % height of caps
desc_depth#:=old_desc_depth#;
beak#:=old_beak#;
tiny#:=old_tiny#; % diameter of rounded corners
fine#:=old_fine#; % diameter of sharply rounded corners
hair#:=old_hair#; % lowercase hairline breadth
stem#:=old_stem#; % lowercase stem breadth
curve#:=old_curve#; % lowercase curve breadth
cap_stem#:=old_cap_stem#; % uppercase stem breadth
o#:=old_o#;
cap_jut#:=old_cap_jut#; % protrusion of uppercase serifs
beak_jut#:=old_beak_jut#; % horizontal protrusion of beak serifs
vair#:=old_vair#; % vertical diameter of hairlines
slab#:=old_slab#; % serif and arm thickness
cap_bar#:=old_cap_bar#; % uppercase bar thickness
stem_corr#:=old_stem_corr#; % for small refinements of stem breadth
otilt:=old_otilt;
beak_darkness:=old_beak_darkness; % fraction of triangle inside beak serifs
font_setup;
old_ht#:=ht#; % height of characters
old_xgap#:=xgap#; % horizontal adjustment
old_u#:=u#; % unit width
old_s#:=s#; % extra space at the left and the right
old_o#:=o#; % overshoot
old_px#:=px#; % horizontal thickness of pen
ht#:=logo_ht#; % height of characters
xgap#:=logo_xgap#; % horizontal adjustment
u#:=logo_u#; % unit width
s#:=logo_s#; % extra space at the left and the right
o#:=logo_o#; % overshoot
px#:=logo_px#; % horizontal thickness of pen
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);
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;
beginlogochar(oct"030",18);
adjust_fit(0,0);
x1=x2=leftstemloc; x4=x5=w-x1; x3=w-x3;
y1=y5; y2=y4; bot y1=-o;
top y2=h+o; y3=y1+ygap;
draw z1--z2--z3--z4--z5;
labels(1,2,3,4,5); endchar;
beginlogochar(oct"031",14);
adjust_fit(0,0);
x1=x2=x3=leftstemloc;
x4=x6=w-x1+ho; x5=x4-xgap;
y1=y6; y2=y5; y3=y4;
bot y1=0; top y3=h; y2=barheight;
draw z6--z1--z3--z4; draw z2--z5;
labels(1,2,3,4,5,6); endchar;
beginlogochar(oct"032",13);
adjust_fit(0,0);
italcorr ht#*slant + .5u#;
if .5w<>good.x .5w: change_width; fi
lft x1=-eps; x2=w-x1; x3=x4=.5w;
y1=y2=y3; top y1=h; bot y4=-o;
draw z1--z2; draw z3--z4;
labels(1,2,3,4); endchar;
beginlogochar(oct"033",15);
adjust_fit(0,0);
x1=.5w; x2=x4=leftstemloc; x3=x5=w-x2;
top y1=h+o; y2=y3=barheight;
bot y4=bot y5=-o;
draw z4--z2--z3--z5; super_half(2,1,3);
labels(1,2,3,4,5); endchar;
beginlogochar(oct"034",15);
adjust_fit(0,0);
x1=x4=x5=x6=.5w; top y5=h+o; bot y6=-o; draw z5--z6;
top y1=h-py; bot y4=py;
x2=w-x3=good.x(1.5u+s); y2=y3=barheight;
super_half(2,1,3); super_half(2,4,3);
labels(1,2,3,4); endchar;
beginlogochar(oct"040",14);
adjust_fit(0,0);
x1=x2=x3=leftstemloc;
x4=w-x1+ho; x5=x4-xgap;
y2=y5; y3=y4; bot y1=-o;
top y3=h; y2=barheight;
draw z1--z3--z4; draw z2--z5;
labels(1,2,3,4,5); endchar;
beginlogochar(oct"036",15);
adjust_fit(0,0);
x1=x4=.5w; top y1=h+o; bot y4=-o;
x2=w-x3=good.x(1.5u+s); y2=y3=barheight;
super_half(2,1,3); super_half(2,4,3);
labels(1,2,3,4); endchar;
beginlogochar(oct"037",15);
adjust_fit(0,0);
x1=x2=leftstemloc; x3=x4=x5=w-x1;
bot y1=bot y4=-o;
top y2=top y5=h+o; y3=y4+ygap;
draw z1--z2--z3; draw z4--z5;
labels(1,2,3,4,5); endchar;
ht#:=old_ht#; % height of characters
xgap#:=old_xgap#; % horizontal adjustment
u#:=old_u#; % unit width
s#:=old_s#; % extra space at the left and the right
o#:=old_o#; % overshoot
px#:=old_px#; % horizontal thickness of pen
|