1 % -%-Fundamental-%- -*-Metafont-*-
2 % parmesan-clefs.mf -- implement ancient clefs
4 % source file of LilyPond's pretty-but-neat music font
6 % (c) 2001--2003 Juergen Reuter <reuter@ipd.uka.de>
9 fet_begingroup ("clefs")
14 % Each clef is associated with a particular pitch: the treble clef
15 % with the 'g', the alto clef with the 'c', the bass clef with the
16 % 'f', etc. The shape of each clef character defines a vertical
17 % position that is assumed to represent this pitch. For the treble
18 % clef, it is the vertical position of the center of the spiral
19 % ending that represents the 'g' pitch. For the bass clef, it is
20 % the center between the two fat dots that define the vertical
21 % position of the 'f' pitch. For the alto clef, it is the vertical
22 % center of the clef that is aligned with the 'c' pitch. For each
23 % clef character, this center should be vertically aligned with the
24 % point (0, 0). The horizontal alignment of each clef character
25 % should be such that the vertical line through the point (0, 0)
26 % touches the left-most edge of the clef.
28 % TODO: document exact_center
30 % set_char_box() conventions:
32 % * breapth: Ignored (as far as I know). Should be set to 0.
34 % * width: Should match the head's width.
36 % * depth: Should match the bottom edge of the head. Affects vertical
39 % * height: Should match the top edge of the head. Affects vertical
52 def draw_vaticana_do_clef(expr exact_center, reduction) =
55 reduced_il# = staff_space# * reduction;
57 set_char_box(0 - xpart exact_center,
58 0.5reduced_il# + xpart exact_center,
59 0.8reduced_il# - ypart exact_center,
60 0.8reduced_il# + ypart exact_center);
62 define_pixels(reduced_il);
64 pickup pencircle xscaled 0.6stafflinethickness yscaled 0.6reduced_il;
66 save za, zb, zc, zd, ze, zf;
67 pair za, zb, zc, zd, ze, zf;
69 rt za = exact_center + (0.50reduced_il, -.45reduced_il);
70 zb = exact_center + (0.25reduced_il, -.50reduced_il);
71 lft zc = exact_center + (0.00reduced_il, -.25reduced_il);
72 lft zd = exact_center + (0.00reduced_il, +.25reduced_il);
73 ze = exact_center + (0.25reduced_il, +.50reduced_il);
74 rt zf = exact_center + (0.50reduced_il, +.45reduced_il);
75 draw za .. zb .. zc -- % lower punctum
76 zd .. ze .. zf; % upper punctum
80 fet_beginchar("Ed. Vat. do clef", "vaticana_do", "vatdoclef")
82 draw_staff(-1,3, 0.0);
84 draw_vaticana_do_clef((0,0), 1.0);
86 fet_beginchar("Ed. Vat. do clef", "vaticana_do_change", "vatcdoclef")
87 draw_vaticana_do_clef((0,0), 1.0); % no reduction
91 def draw_vaticana_fa_clef(expr exact_center, reduction) =
94 reduced_il# = staff_space# * reduction;
95 define_pixels(reduced_il);
97 save za, zb, zc, zd, ze;
98 pair za, zb, zc, zd, ze;
101 pickup pencircle xscaled 0.6stafflinethickness yscaled 0.5reduced_il;
102 lft za = exact_center + (+0.00reduced_il, +0.00reduced_il);
103 zb = exact_center + (+0.25reduced_il, +0.05reduced_il);
104 rt zc = exact_center + (+0.50reduced_il, -0.05reduced_il);
108 pickup pencircle scaled 0.6stafflinethickness;
109 xpart zc = xpart zd = xpart ze;
110 ypart zd = ypart exact_center = bot ypart ze + 1.5reduced_il;
113 %right-handed puncta as in do clef
114 draw_vaticana_do_clef(exact_center + (0.55reduced_il#, 0), reduction);
116 set_char_box(0 - xpart exact_center,
117 1.05reduced_il# + xpart exact_center,
118 1.5reduced_il# - ypart exact_center,
119 0.8reduced_il# + ypart exact_center);
123 fet_beginchar("Ed. Vat. fa clef", "vaticana_fa", "vatfaclef")
125 draw_staff(-1,3, 0.0);
127 draw_vaticana_fa_clef((0,0), 1.0);
129 fet_beginchar("Ed. Vat. fa clef", "vaticana_fa_change", "vatcfaclef")
130 draw_vaticana_fa_clef((0,0), 1.0); % no reduction
141 def draw_medicaea_do_clef(expr exact_center, reduction) =
142 save reduced_il, reduced_slt;
143 reduced_il# = staff_space# * reduction;
144 reduced_slt# = stafflinethickness# * reduction;
145 define_pixels(reduced_il);
146 define_pixels(reduced_slt);
149 flag_height# = 0.5 reduced_il#;
150 define_pixels(flag_height);
155 pickup pencircle xscaled reduced_slt yscaled flag_height;
158 = rt xpart zb - reduced_il;
159 ypart za = ypart exact_center +
160 0.5 (reduced_il - flag_height - staff_space);
161 ypart zb = ypart za - reduced_il + flag_height;
167 pickup pencircle xscaled reduced_slt yscaled flag_height;
170 = rt xpart zb - reduced_il;
171 ypart za = ypart exact_center +
172 0.5 (reduced_il - flag_height + staff_space);
173 ypart zb = ypart za - reduced_il + flag_height;
179 pickup pencircle scaled reduced_slt;
180 lft xpart za = lft xpart zb = xpart exact_center;
182 = top ypart zb - 1.5 reduced_il
183 = bot ypart za + 1.5 reduced_il;
186 set_char_box(0 - xpart exact_center,
187 1.0reduced_il# + xpart exact_center,
188 1.5reduced_il# - ypart exact_center,
189 1.5reduced_il# + ypart exact_center);
193 fet_beginchar("Ed. Med. do clef", "medicaea_do", "meddoclef")
195 draw_staff(-1,3, 0.0);
197 draw_medicaea_do_clef((0,0), 1.0);
199 fet_beginchar("Ed. Med. do clef", "medicaea_do_change", "cmeddoclef")
200 draw_medicaea_do_clef((0,0), .8);
204 def draw_medicaea_fa_clef(expr exact_center, reduction) =
205 % inspired by Regensburger Edition of Medicaea (1885/86), in:
206 % MGG, volume 2, col. 1327 ("Choralreform"), fig. 2.
208 save reduced_il, reduced_slt;
209 reduced_il# = staff_space# * reduction;
210 reduced_slt# = stafflinethickness# * reduction;
211 define_pixels(reduced_il);
212 define_pixels(reduced_slt);
214 save za, zb, zc, zd, ze;
215 pair za, zb, zc, zd, ze;
218 pickup pencircle scaled stafflinethickness;
219 xpart za = xpart zb =
220 xpart exact_center + 0.4reduced_il;
221 ypart za = ypart exact_center = bot ypart zb + 1.5reduced_il;
225 pickup pencircle xscaled reduced_slt yscaled reduced_il;
226 lft zc = exact_center;
227 zd = exact_center + (0.4reduced_il, 0);
230 %right-handed puncta as in do clef
231 draw_medicaea_do_clef(exact_center + (0.7reduced_il#, 0), reduction);
233 set_char_box(0 - xpart exact_center,
234 1.7reduced_il# + xpart exact_center,
235 1.5reduced_il# - ypart exact_center,
236 1.5reduced_il# + ypart exact_center);
240 fet_beginchar("Ed. Med. fa clef", "medicaea_fa", "medfaclef")
242 draw_staff(-1,3, 0.0);
244 draw_medicaea_fa_clef((0,0), 1.0);
246 fet_beginchar("Ed. Med. fa clef", "medicaea_fa_change", "cmedfaclef")
247 draw_medicaea_fa_clef((0,0), .8);
261 % width: interval from left end to right end
262 % height: interval from bottom of lower beam to top of upper beam
263 % exact_center: the coordinates of the vertical center point of the
266 def draw_brevis(expr exact_center, bwidth, bheight, blinethickness) =
268 save xoffs, yoffs, brevis_width, brevis_height, linethickness;
269 xoffs# = xpart exact_center;
270 yoffs# = ypart exact_center;
271 brevis_width# = bwidth; brevis_height# = bheight;
272 linethickness# = blinethickness;
274 save beam_width, beam_height, serif_size, serif_protrude, hole_height;
275 beam_width# = 1.4 linethickness#;
276 hole_height# = 3 linethickness#;
277 2 beam_height# + hole_height# = brevis_height#;
278 serif_size# = (hole_height# - linethickness#)/2;
279 serif_protrude# = 1.5 serif_size#;
281 define_pixels(xoffs, yoffs, brevis_width, brevis_height, linethickness);
282 define_pixels(beam_width, beam_height, serif_size, serif_protrude);
284 penpos1(beam_width, 0);
285 penpos2(beam_width, 0);
286 penpos3(beam_height, 90);
287 penpos4(beam_height, 90);
288 penpos5(beam_width, 180);
289 z1l = (xoffs, yoffs);
290 z2l = z1l + (0, -linethickness);
291 z3r = z2r + serif_size*(1,-1);
293 x4l = x1l + brevis_width/2;
294 z5l = z3l + (-serif_size, -serif_protrude);
295 fill z1r -- z1l -- z5r{down} .. z5l{up} .. z3l{right}
296 -- z4l -- z4r -- z3r{left} .. z2r{up} -- cycle;
298 addto currentpicture also currentpicture
299 yscaled -1 shifted (0, 2*yoffs);
301 pickup pencircle scaled linethickness;
302 top y6 = yoffs + brevis_height/2;
303 bot y7 = yoffs - brevis_height/2;
304 lft x6 = lft x7 = xoffs;
307 addto currentpicture also currentpicture
308 xscaled -1 shifted (2xoffs + brevis_width, 0);
312 def draw_neo_mensural_c_clef(expr exact_center, reduction) =
313 save reduced_il, reduced_slt, stem_width;
314 reduced_il# = staff_space# * reduction;
315 reduced_slt# = stafflinethickness# * reduction;
316 stem_width# = 1.4 reduced_slt#;
317 define_pixels(reduced_il, reduced_slt, stem_width);
319 draw_brevis(exact_center + (3reduced_slt#, 0),
320 2reduced_il#, reduced_il#, reduced_slt#);
323 xoffs# = xpart exact_center;
324 yoffs# = ypart exact_center;
325 define_pixels(xoffs, yoffs);
327 pickup pencircle xscaled stem_width yscaled blot_diameter;
328 lft x8 = lft x9 = xoffs;
329 lft x10 = lft x11 = lft x8 + 3reduced_slt;
330 rt x12 = rt x13 = lft x10 + 2reduced_il;
331 rt x14 = rt x15 = rt x12 + 3reduced_slt;
332 top y9 - bot y8 = 4reduced_il;
333 top y9 + bot y8 = 2yoffs;
334 y12 = y14 = y10 = y8; y13 = y15 = y11 = y9;
340 set_char_box(0 - xpart exact_center,
341 2reduced_il# + 6reduced_slt# + xpart exact_center,
342 2reduced_il# - ypart exact_center,
343 2reduced_il# + ypart exact_center);
347 fet_beginchar("neo-mensural c clef", "neo_mensural_c", "neomenscclef")
349 draw_staff(-1,3, 0.0);
351 draw_neo_mensural_c_clef((0,0), 1.0);
353 fet_beginchar("neo-mensural c clef", "neo_mensural_c_change", "cneomenscclef")
354 draw_neo_mensural_c_clef((0,0), .8);
358 def draw_petrucci_c_clef(expr exact_center, flare_align, reduction) =
359 % inspired by Josquin Desprez, "Stabat Mater", Libro tertio,
360 % 1519, printed by Petrucci, in: MGG, volume 7, Table 11.
361 % Also by Petrucci's Canti C, Venedig 1503. In: MGG, volume
364 save reduced_il, reduced_slt;
365 reduced_il# = staff_space# * reduction;
366 reduced_slt# = stafflinethickness# * reduction;
367 define_pixels(reduced_il);
369 draw_brevis(exact_center + (0, 0.5staff_space#),
370 reduced_il#, reduced_il#, reduced_slt#);
372 addto currentpicture also currentpicture shifted (0, -staff_space);
374 save half_reduced_il, left_depth, left_height;
375 half_reduced_il# = staff_space# * sqrt(reduction);
376 left_height# = half_reduced_il# * min(3.2, 3.2 + 0.2 + flare_align);
377 left_depth# = half_reduced_il# * min(3.2, 3.2 + 0.2 - flare_align);
379 define_pixels(half_reduced_il);
380 define_pixels(left_depth, left_height);
383 xoffs# = xpart exact_center;
384 yoffs# = ypart exact_center;
385 define_pixels(xoffs, yoffs);
387 pickup pencircle xscaled 1.4 stafflinethickness yscaled blot_diameter;
388 lft x8 = lft x9 = xoffs;
389 top y8 = yoffs + left_height;
390 bot y9 = yoffs - left_depth;
393 rt x10 = rt x11 = xoffs + brevis_width;
394 y10 = min(y8 - 0.2*half_reduced_il, yoffs + 2.2half_reduced_il);
395 y11 = max(y9 + 0.2*half_reduced_il, yoffs - 2.2half_reduced_il);
398 set_char_box(0 - xpart exact_center,
399 reduced_il# + xpart exact_center,
400 left_depth# - ypart exact_center,
401 left_height# + ypart exact_center);
405 fet_beginchar("petrucci c1 clef", "petrucci_c1", "petruccic1clef")
407 draw_staff(-1,3, 0.0);
409 draw_petrucci_c_clef((0,0), +2, 1.0);
411 fet_beginchar("petrucci c1 clef", "petrucci_c1_change", "cpetruccic1clef")
412 draw_petrucci_c_clef((0,0), +2, .8);
415 fet_beginchar("petrucci c2 clef", "petrucci_c2", "petruccic2clef")
417 draw_staff(-1,3, 0.0);
419 draw_petrucci_c_clef((0,0), +1, 1.0);
421 fet_beginchar("petrucci c2 clef", "petrucci_c2_change", "cpetruccic2clef")
422 draw_petrucci_c_clef((0,0), +1, .8);
425 fet_beginchar("petrucci c3 clef", "petrucci_c3", "petruccic3clef")
427 draw_staff(-1,3, 0.0);
429 draw_petrucci_c_clef((0,0), 0, 1.0);
431 fet_beginchar("petrucci c3 clef", "petrucci_c3_change", "cpetruccic3clef")
432 draw_petrucci_c_clef((0,0), 0, .8);
435 fet_beginchar("petrucci c4 clef", "petrucci_c4", "petruccic4clef")
437 draw_staff(-1,3, 0.0);
439 draw_petrucci_c_clef((0,0), -1, 1.0);
441 fet_beginchar("petrucci c4 clef", "petrucci_c4_change", "cpetruccic4clef")
442 draw_petrucci_c_clef((0,0), -1, .8);
445 fet_beginchar("petrucci c5 clef", "petrucci_c5", "petruccic5clef")
447 draw_staff(-1,3, 0.0);
449 draw_petrucci_c_clef((0,0), -2, 1.0);
451 fet_beginchar("petrucci c5 clef", "petrucci_c5_change", "cpetruc5iceclef")
452 draw_petrucci_c_clef((0,0), -2, .8);
456 def draw_mensural_c_clef(expr exact_center, reduction) =
457 % inspired by Ockeghem, "Missa Prolationum", in: MGG, volume
461 reduced_il# = staff_space# * reduction;
462 draw_brevis(exact_center + (0, 0.5staff_space#),
463 2reduced_il#, 0.8staff_space#, 0.8stafflinethickness#);
464 define_pixels(reduced_il);
465 addto currentpicture also currentpicture shifted (0, -staff_space);
466 addto currentpicture also currentpicture shifted (0, -staff_space);
468 save half_reduced_il;
469 half_reduced_il# = staff_space# * sqrt(reduction);
470 define_pixels(half_reduced_il);
473 xoffs# = xpart exact_center;
474 yoffs# = ypart exact_center;
475 define_pixels(xoffs, yoffs);
477 pickup pencircle xscaled 1.4 stafflinethickness yscaled blot_diameter;
478 lft x8 = lft x9 = xoffs;
479 top y8 = yoffs + 2.2 half_reduced_il;
480 bot y9 = yoffs - 2.2 half_reduced_il - staff_space;
483 rt x10 = rt x11 = xoffs + brevis_width;
484 y10 = yoffs + 1.4half_reduced_il;
485 y11 = yoffs - 1.4half_reduced_il - staff_space;
488 set_char_box(0 - xpart exact_center,
489 2reduced_il# + xpart exact_center,
490 -yoffs# + 2.2 half_reduced_il# + staff_space# - ypart exact_center,
491 yoffs# + 2.2 half_reduced_il# + ypart exact_center);
495 fet_beginchar("mensural c clef", "mensural_c", "menscclef")
497 draw_staff(-1,3, 0.0);
499 draw_mensural_c_clef((0,0), 1.0);
501 fet_beginchar("mensural c clef", "mensural_c_change", "cmenscclef")
502 draw_mensural_c_clef((0,0), .8);
505 def draw_diamond(expr exact_center, reduction) =
506 save stem_width, reduced_il, reduced_nht, holeheight, beamheight;
507 save rh_height, rh_width;
509 stem_width# = 1.4 reduced_slt#;
510 reduced_il# = staff_space# * reduction;
511 reduced_nht# = noteheight# * reduction;
512 holeheight# = 3 reduced_slt#;
513 beamheight# = 0.4(reduced_nht# - holeheight#);
515 rh_height# = 1.2reduced_il#;
516 rh_width# / rh_height# = tand(30);
518 define_pixels(beamheight);
519 define_pixels(stem_width);
520 define_pixels(rh_height);
521 define_pixels(rh_width);
529 exact_center + (-rh_width/2, 0) --
530 exact_center + (0, rh_height/2) --
531 exact_center + (+rh_width/2, 0) --
532 exact_center + (0, -rh_height/2) --
536 def draw_petrucci_f_clef(expr exact_center, reduction) =
537 % inspired by L'homme arme super voces musicales in Misse
538 % Josquin, 1502, Petrucci, in: MGG, volume 7, col. 200; also
539 % inspired by Gaspar van Weerbeke, "Virgo Maria" (1502), in:
540 % MGG, volume 9, col. 653 ("Motette"), fig. 3.; also by Andr'e
541 % Campra, "Entr'ee des s'er'enades" (1710), in: MGG, volume 2,
542 % col. 1649 ("Contredanse"), fig. 2.
545 save reduced_il, reduced_slt;
546 reduced_il# = staff_space# * reduction;
547 reduced_slt# = stafflinethickness# * reduction;
548 define_pixels(reduced_il);
549 define_pixels(reduced_slt);
551 draw_brevis(exact_center, reduced_il#, reduced_il#, reduced_slt#);
553 save stem_width, interline;
554 stem_width# = 1.4 reduced_slt#;
555 interline# = staff_space#;
556 define_pixels(stem_width);
557 define_pixels(interline);
559 addto currentpicture also currentpicture
560 yscaled -1 shifted (0, 2*(ypart exact_center));
561 addto currentpicture also currentpicture
562 xscaled -1 shifted (2x4l,0);
566 pickup pencircle xscaled stem_width yscaled blot_diameter;
567 rt z8 = exact_center + (reduced_il, 0);
568 z9 = z8 + (0, -4reduced_il);
572 draw_diamond(exact_center + (1.6interline*reduction, interline/2),
574 pickup pencircle xscaled stem_width yscaled blot_diameter;
576 (1.6interline*reduction + stem_width/2, interline*reduction);
577 top z11 = z10 + (0, 1.5interline*reduction);
578 draw z10 .. z11; % diamond stem
581 draw_diamond(exact_center + (1.6interline*reduction, -interline/2),
583 pickup pencircle xscaled stem_width yscaled blot_diameter;
585 (1.6interline*reduction - stem_width/2, -interline*reduction);
586 bot z13 = z12 + (0, -3.5interline*reduction);
587 draw z12 .. z13; % diamond stem
589 save reduced_il, rh_height, rh_width;
590 reduced_il# = staff_space# * reduction;
591 rh_height# = 1.2reduced_il#;
592 rh_width# / rh_height# = tand(30);
593 set_char_box(0 - xpart exact_center,
594 1.6interline#*reduction + 0.5rh_width# + xpart exact_center,
595 4.5*interline#*reduction - ypart exact_center,
596 2.5*interline#*reduction + ypart exact_center);
600 fet_beginchar("petrucci f clef", "petrucci_f", "petruccifclef")
602 draw_staff(-1,3, 0.0);
604 draw_petrucci_f_clef((0,0), 1.0);
606 fet_beginchar("petrucci f clef", "petrucci_f_change", "cpetruccifclef")
607 draw_petrucci_f_clef((0,0), .8);
611 def draw_mensural_f_clef(expr exact_center, reduction) =
613 % inspired by Philippe le Duc, "Dite Signori" (1590), in: MGG,
614 % volume 3, col. 848 ("Duc"); also by John Dowland, "The First
615 % Booke of Songes" (1597), in: MGG, volume 3, col. 721
616 % ("Dowland"), fig. 3.
618 save width, reduced_slt, stem_width, dot_diameter;
620 width# = 1.2staff_space# * reduction;
621 reduced_slt# = stafflinethickness# * reduction;
622 stem_width# = 1.4 reduced_slt#;
623 dot_diameter# = 0.1 reduction * staff_space#;
624 define_pixels(width, stem_width, staff_space, dot_diameter);
633 draw halfcircle scaled width rotated -90
634 shifted (z5-exact_center);
638 rt x2 = xpart exact_center + width;
639 top y1 = ypart exact_center + 0.5width;
640 z2 - z1 = (dot_diameter, -dot_diameter);
645 top y1 - bot y4 = width;
646 z4 - z3 = (dot_diameter, -dot_diameter);
649 set_char_box(0 - xpart exact_center,
650 width# + xpart exact_center,
651 0.5width# - ypart exact_center,
652 0.5width# + ypart exact_center);
655 fet_beginchar("mensural f clef", "mensural_f", "mensfclef")
657 draw_staff(-1,3, 0.0);
659 draw_mensural_f_clef((0,0), 1.0);
661 fet_beginchar("mensural f clef", "mensural_f_change", "cmensfclef")
662 draw_mensural_f_clef((0,0), .8);
666 def draw_mensural_g_clef(expr exact_center, reduction) =
668 % TODO: Rewrite me! This clef looks completely awful! --jr
672 % inspired by Francisco Guerrero, "Lib. 1. Missarum" (1566),
673 % in: MGG, volume 3, col. 858 ("Ducis"); also by Stefano
674 % Fabri, "Quam speciosa veteranis" (1611), in: MGG, volume 3,
675 % col. 1698 ("Fabri"); also by Philippus Dulichius,
676 % "Fasciculus novus ..." (1598), in: MGG, volume 3, col. 919
677 % ("Dulichius"), fig. 1; also by Noe Faignient, "Ic sal de
678 % Heer myn God gebenedye" (1568), in: MGG, volume 3, col. 1735
681 % Metafont code partially inspired by Schwabacher 'G' of yswab
684 save reduced_il, stem_width, height, width, apex_o, hair;
686 reduced_il#=staff_space#*reduction;
688 set_char_box(0 - xpart exact_center,
689 1.2reduced_il# + xpart exact_center,
690 0.8reduced_il# - ypart exact_center,
691 1.5reduced_il# + ypart exact_center);
693 stem_width# = 0.17 reduced_il#;
694 height# = 1.5 reduced_il#;
695 width# = 1.13 reduced_il#;
696 apex_o# = 0.02 reduced_il#;
697 hair# = 3 stafflinethickness#;
698 define_pixels(reduced_il, stem_width, height, width, apex_o, hair);
700 penpos1(2 stem_width, -142);
701 z1l = (0.715 width, 0.742 height);
704 penpos2(1.179 stem_width, -142);
705 z2l = (width, 0.466 height);
707 z3 = (0.764 width, 0.067 height);
708 z4 = (0.59 width, -apex_o);
709 penpos5(1.179 stem_width, 32);
710 z5l=(0, 0.457 height);
711 penpos6(hair, -56.5);
712 z7 = (x4 - 0.843 stem_width, height + apex_o);
713 z7 - z6l = whatever * dir33.5;
714 penpos8(1.286 stem_width, -130);
715 z8r = (0.715 width, 0.742 height) + (-apex_o, apex_o);
716 z6r - z8r = whatever * (z7 - z8l);
718 z1'r{dir45} .. z2r{down} .. z3r{dir207} .. z5r{up} ..
719 z6r{z7-z6l} & z6r -- z8r -- z8l -- z7 --- z6l ...
720 z5l{down} .. z4{right} .. z3l{dir27} .. z2l{up} ..
721 z1l{1/3[z6l,z7]-z1l} & z1l -- z1r -- z1'r & cycle
722 shifted (-exact_center + (0, -0.75reduced_il));
724 penpos9(stem_width, 0);
725 x9r = x4; y9 = 0.3 height;
730 draw z9 -- (z9 + (0, -0.4reduced_il))
731 shifted (-exact_center + (0, -0.75reduced_il));
739 scaled 0.5 reduced_il
742 shifted (0, 0.25reduced_il)
743 shifted (-exact_center + (0, -0.75reduced_il));
746 scaled 0.4 reduced_il
748 shifted (z8 + (0, 0.45 reduced_il))
749 shifted (0, 0.25reduced_il)
750 shifted (-exact_center + (0, -0.75reduced_il));
754 fet_beginchar("mensural g clef", "mensural_g", "mensgclef")
756 draw_staff(-1,3, 0.0);
758 draw_mensural_g_clef((0,0), 1.0);
760 fet_beginchar("mensural g clef", "mensural_g_change", "cmensgclef")
761 draw_mensural_g_clef((0,0), .8);
766 def draw_petrucci_g_clef(expr exact_center, reduction) =
767 % inspired by Josquin Desprez, "Stabat Mater", Libro tertio,
768 % 1519, printed by Petrucci, in: MGG, volume 7, Table 11.
770 save reduced_il, reduced_slt;
772 reduced_il# = staff_space# * reduction;
773 reduced_slt# = stafflinethickness# * reduction;
774 define_pixels(reduced_il, reduced_slt);
776 set_char_box(0 - xpart exact_center,
777 1.25 reduced_il# + xpart exact_center,
778 0.65 reduced_il# - ypart exact_center,
779 3.80 reduced_il# + ypart exact_center);
781 save za, zb, zc, zd, ze, zf, zg, zh, zi, zj;
782 pair za, zb, zc, zd, ze, zf, zg, zh, zi, zj;
785 xscaled 0.50 reduced_slt
786 yscaled 0.22 reduced_il
789 lft za = exact_center + (0.80 reduced_il, +0.00 reduced_il);
790 lft zb = exact_center + (1.00 reduced_il, +1.20 reduced_il);
791 lft zc = exact_center + (0.70 reduced_il, +2.00 reduced_il);
792 lft zd = exact_center + (0.30 reduced_il, +3.00 reduced_il);
793 lft ze = exact_center + (0.80 reduced_il, +3.70 reduced_il);
794 lft zf = exact_center + (1.00 reduced_il, +3.00 reduced_il);
795 lft zg = exact_center + (0.60 reduced_il, +2.00 reduced_il);
796 lft zh = exact_center + (0.30 reduced_il, +1.70 reduced_il);
797 lft zi = exact_center + (0.00 reduced_il, +0.75 reduced_il);
798 lft zj = exact_center + (0.20 reduced_il, +0.60 reduced_il);
800 draw za{-1,2} .. zb .. zc .. zd .. ze .. zf .. zg .. zh .. zi .. zj;
802 save za, zb, zc, zd, ze, zf;
803 pair za, zb, zc, zd, ze, zf;
806 xscaled 0.75 reduced_slt
807 yscaled 0.33 reduced_il
810 lft za = exact_center + (1.05 reduced_il, +0.45 reduced_il);
811 lft zb = exact_center + (0.55 reduced_il, +0.45 reduced_il);
812 lft zc = exact_center + (0.55 reduced_il, -0.45 reduced_il);
813 lft zd = exact_center + (1.05 reduced_il, -0.45 reduced_il);
814 lft ze = exact_center + (1.10 reduced_il, +0.00 reduced_il);
815 lft zf = exact_center + (0.80 reduced_il, +0.00 reduced_il);
817 draw za .. zb .. zc .. zd .. {up}ze -- zf;
821 fet_beginchar("petrucci g clef", "petrucci_g", "petruccigclef")
823 draw_staff(-1,3, 0.0);
825 draw_petrucci_g_clef((0,0), 1.0);
827 fet_beginchar("petrucci g clef", "petrucci_g_change", "cpetruccigclef")
828 draw_petrucci_g_clef((0,0), .8);
841 def draw_hufnagel_do_clef(expr exact_center, reduction) =
843 % inspired by Graduale of Friedrich Zollner (1442), in: MGG,
844 % volume 9, col. 1413 ("Neustift"), fig. 1.
848 reduced_il# = staff_space# * reduction;
850 define_pixels(reduced_il);
853 xscaled (0.60reduced_il)
854 yscaled (0.10reduced_il)
856 save za, zb, zc, zd, ze, zf;
857 pair za, zb, zc, zd, ze, zf;
859 za = exact_center + (0.90reduced_il, +.45reduced_il);
860 zb = exact_center + (0.80reduced_il, +.45reduced_il);
861 zc = exact_center + (0.50reduced_il, +.60reduced_il);
862 zd = exact_center + (0.20reduced_il, +.45reduced_il);
863 ze = exact_center + (0.20reduced_il, -.45reduced_il);
864 zf = exact_center + (0.40reduced_il, -.55reduced_il);
865 draw za .. zb .. zc -- zd -- ze -- zf;
867 set_char_box(0 - xpart exact_center,
868 1.10reduced_il# + xpart exact_center,
869 0.70reduced_il# - ypart exact_center,
870 0.75reduced_il# + ypart exact_center);
874 fet_beginchar("Hufnagel do clef", "hufnagel_do", "hufnageldoclef")
876 draw_staff(-1,3, 0.0);
878 draw_hufnagel_do_clef((0,0), 1.0);
880 fet_beginchar("Hufnagel do clef", "hufnagel_do_change", "chufnageldoclef")
881 draw_hufnagel_do_clef((0,0), .8);
885 def draw_hufnagel_fa_clef(expr exact_center, reduction) =
887 % inspired by Bamberger Manuscript (15th century), in:
888 % MGG, volume 2, table 59.
892 reduced_il# = staff_space# * reduction;
894 define_pixels(reduced_il);
897 xscaled (0.60reduced_il)
898 yscaled (0.10reduced_il)
900 save za, zb, zc, zd, ze, zf;
901 pair za, zb, zc, zd, ze, zf;
903 za = exact_center + (0.90reduced_il, +0.70reduced_il);
904 zb = exact_center + (0.80reduced_il, +0.70reduced_il);
905 zc = exact_center + (0.50reduced_il, +0.85reduced_il);
906 zd = exact_center + (0.20reduced_il, +0.70reduced_il);
907 ze = exact_center + (0.20reduced_il, -1.10reduced_il);
908 draw za .. zb .. zc -- zd -- ze;
913 zg = exact_center + (0.90reduced_il, -0.05reduced_il);
914 zh = exact_center + (0.80reduced_il, -0.05reduced_il);
915 zi = exact_center + (0.50reduced_il, +0.10reduced_il);
916 zj = exact_center + (0.20reduced_il, -0.05reduced_il);
917 draw zg .. zh .. zi -- zj;
919 set_char_box(0 - xpart exact_center,
920 1.20reduced_il# + xpart exact_center,
921 1.15reduced_il# - ypart exact_center,
922 1.00reduced_il# + ypart exact_center);
926 fet_beginchar("Hufnagel fa clef", "hufnagel_fa", "hufnagelfaclef")
928 draw_staff(-1,3, 0.0);
930 draw_hufnagel_fa_clef((0,0), 1.0);
932 fet_beginchar("Hufnagel fa clef", "hufnagel_fa_change", "chufnagelfaclef")
933 draw_hufnagel_fa_clef((0,0), .8);
937 def draw_hufnagel_do_fa_clef(expr exact_center, reduction) =
938 draw_hufnagel_do_clef(exact_center, reduction);
939 draw_hufnagel_fa_clef(exact_center + (0, -2staff_space#), reduction);
940 set_char_box(0 - xpart exact_center,
941 1.20reduced_il# + xpart exact_center,
942 1.15reduced_il# + 2staff_space# - ypart exact_center,
943 0.75reduced_il# + ypart exact_center);
947 fet_beginchar("Hufnagel do/fa clef", "hufnagel_do_fa", "hufnageldofaclef")
949 draw_staff(-1,3, 0.0);
951 draw_hufnagel_do_fa_clef((0,0), 1.0);
953 fet_beginchar("Hufnagel do/fa clef", "hufnagel_do_fa_change",
955 draw_hufnagel_do_fa_clef((0,0), .8);
959 fet_endgroup ("clefs")