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(0.0reduced_il#, 0.5reduced_il#,
58 0.8reduced_il#, 0.8reduced_il#);
60 define_pixels(reduced_il);
62 pickup pencircle xscaled 0.6stafflinethickness yscaled 0.6reduced_il;
64 save za, zb, zc, zd, ze, zf;
65 pair za, zb, zc, zd, ze, zf;
67 rt za = exact_center + (0.50reduced_il, -.45reduced_il);
68 zb = exact_center + (0.25reduced_il, -.50reduced_il);
69 lft zc = exact_center + (0.00reduced_il, -.25reduced_il);
70 lft zd = exact_center + (0.00reduced_il, +.25reduced_il);
71 ze = exact_center + (0.25reduced_il, +.50reduced_il);
72 rt zf = exact_center + (0.50reduced_il, +.45reduced_il);
73 draw za .. zb .. zc -- % lower punctum
74 zd .. ze .. zf; % upper punctum
78 fet_beginchar("Ed. Vat. do clef", "vaticana_do", "vatdoclef")
80 draw_staff(-1,3, 0.0);
82 draw_vaticana_do_clef((0,0), 1.0);
84 fet_beginchar("Ed. Vat. do clef", "vaticana_do_change", "vatcdoclef")
85 draw_vaticana_do_clef((0,0), 1.0); % no reduction
89 def draw_vaticana_fa_clef(expr exact_center, reduction) =
92 reduced_il# = staff_space# * reduction;
93 define_pixels(reduced_il);
95 save za, zb, zc, zd, ze;
96 pair za, zb, zc, zd, ze;
99 pickup pencircle xscaled 0.6stafflinethickness yscaled 0.5reduced_il;
100 lft za = exact_center + (+0.00reduced_il, +0.00reduced_il);
101 zb = exact_center + (+0.25reduced_il, +0.05reduced_il);
102 rt zc = exact_center + (+0.50reduced_il, -0.05reduced_il);
106 pickup pencircle scaled 0.6stafflinethickness;
107 xpart zc = xpart zd = xpart ze;
108 ypart zd = ypart exact_center = bot ypart ze + 1.5reduced_il;
111 %right-handed puncta as in do clef
112 draw_vaticana_do_clef(exact_center + (0.55reduced_il, 0), reduction);
114 set_char_box(0.0reduced_il#, 1.05reduced_il#,
115 1.5reduced_il#, 0.8reduced_il#);
119 fet_beginchar("Ed. Vat. fa clef", "vaticana_fa", "vatfaclef")
121 draw_staff(-1,3, 0.0);
123 draw_vaticana_fa_clef((0,0), 1.0);
125 fet_beginchar("Ed. Vat. fa clef", "vaticana_fa_change", "vatcfaclef")
126 draw_vaticana_fa_clef((0,0), 1.0); % no reduction
137 def draw_medicaea_do_clef(expr exact_center, reduction) =
138 save reduced_il, reduced_slt;
139 reduced_il# = staff_space# * reduction;
140 reduced_slt# = stafflinethickness# * reduction;
141 define_pixels(reduced_il);
142 define_pixels(reduced_slt);
145 flag_height# = 0.5 reduced_il#;
146 define_pixels(flag_height);
151 pickup pencircle xscaled reduced_slt yscaled flag_height;
154 = rt xpart zb - reduced_il;
155 ypart za = ypart exact_center +
156 0.5 (reduced_il - flag_height - staff_space);
157 ypart zb = ypart za - reduced_il + flag_height;
163 pickup pencircle xscaled reduced_slt yscaled flag_height;
166 = rt xpart zb - reduced_il;
167 ypart za = ypart exact_center +
168 0.5 (reduced_il - flag_height + staff_space);
169 ypart zb = ypart za - reduced_il + flag_height;
175 pickup pencircle scaled reduced_slt;
176 lft xpart za = lft xpart zb = xpart exact_center;
178 = top ypart zb - 1.5 reduced_il
179 = bot ypart za + 1.5 reduced_il;
182 set_char_box(0, 1.0reduced_il#,
183 1.5reduced_il#, 1.5reduced_il#);
187 fet_beginchar("Ed. Med. do clef", "medicaea_do", "meddoclef")
189 draw_staff(-1,3, 0.0);
191 draw_medicaea_do_clef((0,0), 1.0);
193 fet_beginchar("Ed. Med. do clef", "medicaea_do_change", "cmeddoclef")
194 draw_medicaea_do_clef((0,0), .8);
198 def draw_medicaea_fa_clef(expr exact_center, reduction) =
199 % inspired by Regensburger Edition of Medicaea (1885/86), in:
200 % MGG, volume 2, col. 1327 ("Choralreform"), fig. 2.
202 save reduced_il, reduced_slt;
203 reduced_il# = staff_space# * reduction;
204 reduced_slt# = stafflinethickness# * reduction;
205 define_pixels(reduced_il);
206 define_pixels(reduced_slt);
208 save za, zb, zc, zd, ze;
209 pair za, zb, zc, zd, ze;
212 pickup pencircle scaled stafflinethickness;
213 xpart za = xpart zb =
214 xpart exact_center + 0.4reduced_il;
215 ypart za = ypart exact_center = bot ypart zb + 1.5reduced_il;
219 pickup pencircle xscaled reduced_slt yscaled reduced_il;
220 lft zc = exact_center;
221 zd = exact_center + (0.4reduced_il, 0);
224 %right-handed puncta as in do clef
225 draw_medicaea_do_clef(exact_center + (0.7reduced_il, 0), reduction);
227 set_char_box(0, 1.7reduced_il#, 1.5reduced_il#, 1.5reduced_il#);
231 fet_beginchar("Ed. Med. fa clef", "medicaea_fa", "medfaclef")
233 draw_staff(-1,3, 0.0);
235 draw_medicaea_fa_clef((0,0), 1.0);
237 fet_beginchar("Ed. Med. fa clef", "medicaea_fa_change", "cmedfaclef")
238 draw_medicaea_fa_clef((0,0), .8);
250 brevis_wid# := 2 staff_space#;
252 def draw_brevis(expr exact_center, reduction, small_width, small_height) =
254 % inspired by function draw_brevis of
257 save reduced_slt, reduced_nht;
258 save stem_width, head_width;
259 save serif_size, serif_protrude;
260 save holeheight, beamheight;
262 reduced_slt# = stafflinethickness# * reduction;
263 reduced_nht# = noteheight# * reduction;
264 stem_width# = 1.4 reduced_slt#;
266 head_width# = 0.5brevis_wid# * reduction;
268 head_width# = brevis_wid# * reduction;
271 serif_size# = 0.64 reduced_slt#;
272 serif_protrude# = 0.96 serif_size#;
273 holeheight# = 3 reduced_slt#;
274 beamheight# = 0.32(reduced_nht# - holeheight#);
276 serif_size# = 1.0 reduced_slt#;
277 serif_protrude# = 1.5 serif_size#;
278 holeheight# = 3 reduced_slt#;
279 beamheight# = 0.5(reduced_nht# - holeheight#);
281 define_pixels(reduced_slt);
282 define_pixels(stem_width);
283 define_pixels(head_width);
284 define_pixels(serif_size);
285 define_pixels(serif_protrude);
286 define_pixels(beamheight);
288 penpos1(stem_width, 0);
289 penpos2(stem_width, 0);
290 penpos3(beamheight, 90);
291 penpos4(beamheight, 90);
292 penpos5(stem_width, 180);
295 z2l = z1l + (0, -reduced_slt/2);
296 z3r = z2r + serif_size*(1,-1);
298 x4l = x1l + head_width/2;
299 z5l = z3l + (-serif_size, -serif_protrude);
301 penlabels(1,2,3,4,5);
302 fill z1r -- z1l -- z5r{down} .. z5l{up} .. z3l{right}
303 -- z4l -- z4r -- z3r{left} .. z2r{up} -- cycle;
307 def draw_neo_mensural_c_clef(expr exact_center, reduction) =
308 draw_brevis(exact_center, reduction, false, false);
310 save reduced_il, reduced_slt;
313 reduced_il# = staff_space# * reduction;
314 reduced_slt# = stafflinethickness# * reduction;
315 stem_width# = 1.4 reduced_slt#;
317 define_pixels(reduced_il);
318 define_pixels(reduced_slt);
319 define_pixels(stem_width);
321 pickup pencircle xscaled stem_width yscaled blot_diameter;
322 z6 = exact_center + (stem_width/2, 0);
323 z7 = z6 + (0, -2reduced_il);
324 z8 = z6 + (-3reduced_slt, 0);
329 addto currentpicture also currentpicture
330 yscaled -1 shifted (0, 2*(ypart exact_center));
331 addto currentpicture also currentpicture
332 xscaled -1 shifted (2x4l,0);
334 set_char_box(3reduced_slt#, head_width# +3reduced_slt#,
335 2reduced_il#, 2reduced_il#);
339 fet_beginchar("neo-mensural c clef", "neo_mensural_c", "neomenscclef")
341 draw_staff(-1,3, 0.0);
343 draw_neo_mensural_c_clef((0,0), 1.0);
345 fet_beginchar("neo-mensural c clef", "neo_mensural_c_change", "cneomenscclef")
346 draw_neo_mensural_c_clef((1.3 staff_space#,0), .8);
350 def draw_petrucci_c_clef(expr exact_center, flare_align, reduction) =
351 % inspired by Josquin Desprez, "Stabat Mater", Libro tertio,
352 % 1519, printed by Petrucci, in: MGG, volume 7, Table 11.
353 draw_brevis(exact_center, reduction, true, true);
355 save half_reduced_il, reduced_il, reduced_slt;
356 save stem_width, interline;
357 save left_depth, left_height;
359 half_reduced_il# = staff_space# * sqrt(reduction);
360 reduced_il# = staff_space# * reduction;
361 reduced_slt# = stafflinethickness# * reduction;
362 stem_width# = 1.4 reduced_slt#;
363 interline# = staff_space#;
365 left_height# = half_reduced_il# * min(3.2, 3.2 + 0.2 + flare_align);
366 left_depth# = half_reduced_il# * min(3.2, 3.2 + 0.2 - flare_align);
368 define_pixels(half_reduced_il);
369 define_pixels(reduced_il);
370 define_pixels(reduced_slt);
371 define_pixels(stem_width);
372 define_pixels(interline);
373 define_pixels(left_depth, left_height);
375 addto currentpicture also currentpicture
376 yscaled -1 shifted (0, 2*(ypart exact_center) - interline);
378 addto currentpicture also currentpicture
379 xscaled -1 shifted (reduction*2x4l,0);
381 addto currentpicture also currentpicture
382 yscaled -1 shifted (0, 4*(ypart exact_center));
384 pickup pencircle xscaled stem_width yscaled blot_diameter;
386 xpart z6 = xpart z7 = xpart exact_center + stem_width/2;
387 ypart z6 = ypart exact_center + left_height;
388 ypart z7 = ypart exact_center - left_depth;
391 xpart z8 = xpart z9 = reduction*2x4l - xpart exact_center - stem_width/2;
392 ypart z8 = min(ypart z6 - 0.2*half_reduced_il,
393 xpart exact_center + 2.2half_reduced_il);
394 ypart z9 = max(ypart z7 + 0.2*half_reduced_il,
395 xpart exact_center - 2.2half_reduced_il);
398 set_char_box(0, head_width#, left_depth#, left_height#);
402 fet_beginchar("petrucci c1 clef", "petrucci_c1", "petruccic1clef")
404 draw_staff(-1,3, 0.0);
406 draw_petrucci_c_clef((0,0), +2, 1.0);
408 fet_beginchar("petrucci c1 clef", "petrucci_c1_change", "cpetruccic1clef")
409 draw_petrucci_c_clef((1.3 staff_space#,0), +2, .8);
412 fet_beginchar("petrucci c2 clef", "petrucci_c2", "petruccic2clef")
414 draw_staff(-1,3, 0.0);
416 draw_petrucci_c_clef((0,0), +1, 1.0);
418 fet_beginchar("petrucci c2 clef", "petrucci_c2_change", "cpetruccic2clef")
419 draw_petrucci_c_clef((1.3 staff_space#,0), +1, .8);
422 fet_beginchar("petrucci c3 clef", "petrucci_c3", "petruccic3clef")
424 draw_staff(-1,3, 0.0);
426 draw_petrucci_c_clef((0,0), 0, 1.0);
428 fet_beginchar("petrucci c3 clef", "petrucci_c3_change", "cpetruccic3clef")
429 draw_petrucci_c_clef((1.3 staff_space#,0), 0, .8);
432 fet_beginchar("petrucci c4 clef", "petrucci_c4", "petruccic4clef")
434 draw_staff(-1,3, 0.0);
436 draw_petrucci_c_clef((0,0), -1, 1.0);
438 fet_beginchar("petrucci c4 clef", "petrucci_c4_change", "cpetruccic4clef")
439 draw_petrucci_c_clef((1.3 staff_space#,0), -1, .8);
442 fet_beginchar("petrucci c5 clef", "petrucci_c5", "petruccic5clef")
444 draw_staff(-1,3, 0.0);
446 draw_petrucci_c_clef((0,0), -2, 1.0);
448 fet_beginchar("petrucci c5 clef", "petrucci_c5_change", "cpetruc5iceclef")
449 draw_petrucci_c_clef((1.3 staff_space#,0), -2, .8);
453 def draw_mensural_c_clef(expr exact_center, reduction) =
454 % inspired by Ockeghem, "Missa Prolationum", in: MGG, volume
456 draw_petrucci_c_clef(exact_center, 0, reduction);
458 addto currentpicture also currentpicture
459 shifted (0, -interline);
461 save half_reduced_il;
462 save left_depth, left_height;
464 half_reduced_il# = staff_space# * sqrt(reduction);
465 left_height# = 3.2 * half_reduced_il#;
466 left_depth# = left_height# + interline#;
468 set_char_box(0, head_width#, left_depth#, left_height#);
472 fet_beginchar("mensural c clef", "mensural_c", "menscclef")
474 draw_staff(-1,3, 0.0);
476 draw_mensural_c_clef((0,0), 1.0);
478 fet_beginchar("mensural c clef", "mensural_c_change", "cmenscclef")
479 draw_mensural_c_clef((0,0), .8);
482 def draw_diamond(expr exact_center, reduction) =
483 save stem_width, reduced_il, reduced_nht, holeheight, beamheight;
484 save rh_height, rh_width;
486 stem_width# = 1.4 reduced_slt#;
487 reduced_il# = staff_space# * reduction;
488 reduced_nht# = noteheight# * reduction;
489 holeheight# = 3 reduced_slt#;
490 beamheight# = 0.4(reduced_nht# - holeheight#);
492 rh_height# = 1.2reduced_il#;
493 rh_width# / rh_height# = tand(30);
495 define_pixels(beamheight);
496 define_pixels(stem_width);
497 define_pixels(rh_height);
498 define_pixels(rh_width);
506 exact_center + (-rh_width/2, 0) --
507 exact_center + (0, rh_height/2) --
508 exact_center + (+rh_width/2, 0) --
509 exact_center + (0, -rh_height/2) --
513 def draw_petrucci_f_clef(expr exact_center, reduction) =
514 % inspired by L'homme arme super voces musicales in Misse
515 % Josquin, 1502, Petrucci, in: MGG, volume 7, col. 200; also
516 % inspired by Gaspar van Weerbeke, "Virgo Maria" (1502), in:
517 % MGG, volume 9, col. 653 ("Motette"), fig. 3.; also by Andr'e
518 % Campra, "Entr'ee des s'er'enades" (1710), in: MGG, volume 2,
519 % col. 1649 ("Contredanse"), fig. 2.
521 draw_brevis(exact_center, reduction, true, false);
523 save reduced_il, reduced_slt;
524 save stem_width, interline;
526 reduced_il# = staff_space# * reduction;
527 reduced_slt# = stafflinethickness# * reduction;
528 stem_width# = 1.4 reduced_slt#;
529 interline# = staff_space#;
531 define_pixels(reduced_il);
532 define_pixels(reduced_slt);
533 define_pixels(stem_width);
534 define_pixels(interline);
536 addto currentpicture also currentpicture
537 yscaled -1 shifted (0, 2*(ypart exact_center));
538 addto currentpicture also currentpicture
539 xscaled -1 shifted (2x4l,0);
543 pickup pencircle xscaled stem_width yscaled blot_diameter;
544 z6 = exact_center + (2x4l - stem_width/2, 0);
545 z7 = z6 + (0, -4reduced_il);
549 draw_diamond(exact_center + (1.6interline*reduction, interline/2),
551 pickup pencircle xscaled stem_width yscaled blot_diameter;
553 (1.6interline*reduction + stem_width/2, interline*reduction);
554 z9 = z8 + (0, 1.5interline*reduction);
555 draw z8 .. z9; % diamond stem
558 draw_diamond(exact_center + (1.6interline*reduction, -interline/2),
560 pickup pencircle xscaled stem_width yscaled blot_diameter;
562 (1.6interline*reduction - stem_width/2, -interline*reduction);
563 z11 = z10 + (0, -3.5interline*reduction);
564 draw z10 .. z11; % diamond stem
566 save reduced_il, rh_height, rh_width;
567 reduced_il# = staff_space# * reduction;
568 rh_height# = 1.2reduced_il#;
569 rh_width# / rh_height# = tand(30);
570 set_char_box(0, 1.6interline#*reduction + 0.5rh_width#,
571 4.5*interline#*reduction, 2.5*interline#*reduction);
575 fet_beginchar("petrucci f clef", "petrucci_f", "petruccifclef")
577 draw_staff(-1,3, 0.0);
579 draw_petrucci_f_clef((0,0), 1.0);
581 fet_beginchar("petrucci f clef", "petrucci_f_change", "cpetruccifclef")
582 draw_petrucci_f_clef((0,0), .8);
586 def draw_mensural_f_clef(expr exact_center, reduction) =
588 % inspired by Philippe le Duc, "Dite Signori" (1590), in: MGG,
589 % volume 3, col. 848 ("Duc"); also by John Dowland, "The First
590 % Booke of Songes" (1597), in: MGG, volume 3, col. 721
591 % ("Dowland"), fig. 3.
593 save reduced_slt, stem_width, reduced_nht, holeheight, beamheight;
595 reduced_slt# = stafflinethickness# * reduction;
596 stem_width# = 1.4 reduced_slt#;
597 reduced_nht# = noteheight# * reduction;
598 holeheight# = 3 reduced_slt#;
599 beamheight# = 0.4(reduced_nht# - holeheight#);
601 define_pixels(beamheight, stem_width, staff_space);
609 exact_center + (1.0 staff_space, 0.55 staff_space) --
610 exact_center + (1.1 staff_space, 0.45 staff_space);
613 exact_center + (1.1 staff_space, -0.55 staff_space) --
614 exact_center + (1.1 staff_space, -0.45 staff_space);
616 draw halfcircle scaled 1.1 staff_space rotated -90
617 shifted (-exact_center + (+0.05 staff_space, 0));
619 set_char_box(0.5beamheight#, 1.1staff_space# + 0.5beamheight#,
620 0.55staff_space# + 0.5stem_width#,
621 0.55staff_space# + 0.5stem_width#);
624 fet_beginchar("mensural f clef", "mensural_f", "mensfclef")
626 draw_staff(-1,3, 0.0);
628 draw_mensural_f_clef((0,0), 1.0);
630 fet_beginchar("mensural f clef", "mensural_f_change", "cmensfclef")
631 draw_mensural_f_clef((0,0), .8);
635 def draw_mensural_g_clef(expr exact_center, reduction) =
637 % TODO: Rewrite me! This clef looks completely awful! --jr
641 % inspired by Francisco Guerrero, "Lib. 1. Missarum" (1566),
642 % in: MGG, volume 3, col. 858 ("Ducis"); also by Stefano
643 % Fabri, "Quam speciosa veteranis" (1611), in: MGG, volume 3,
644 % col. 1698 ("Fabri"); also by Philippus Dulichius,
645 % "Fasciculus novus ..." (1598), in: MGG, volume 3, col. 919
646 % ("Dulichius"), fig. 1; also by Noe Faignient, "Ic sal de
647 % Heer myn God gebenedye" (1568), in: MGG, volume 3, col. 1735
650 % Metafont code partially inspired by Schwabacher 'G' of yswab
653 save reduced_il, stem_width, height, width, apex_o, hair;
655 reduced_il#=staff_space#*reduction;
657 set_char_box(0.0reduced_il#, 1.2reduced_il#,
658 0.8reduced_il#, 1.5reduced_il#);
660 stem_width# = 0.17 reduced_il#;
661 height# = 1.5 reduced_il#;
662 width# = 1.13 reduced_il#;
663 apex_o# = 0.02 reduced_il#;
664 hair# = 3 stafflinethickness#;
665 define_pixels(reduced_il, stem_width, height, width, apex_o, hair);
667 penpos1(2 stem_width, -142);
668 z1l = (0.715 width, 0.742 height);
671 penpos2(1.179 stem_width, -142);
672 z2l = (width, 0.466 height);
674 z3 = (0.764 width, 0.067 height);
675 z4 = (0.59 width, -apex_o);
676 penpos5(1.179 stem_width, 32);
677 z5l=(0, 0.457 height);
678 penpos6(hair, -56.5);
679 z7 = (x4 - 0.843 stem_width, height + apex_o);
680 z7 - z6l = whatever * dir33.5;
681 penpos8(1.286 stem_width, -130);
682 z8r = (0.715 width, 0.742 height) + (-apex_o, apex_o);
683 z6r - z8r = whatever * (z7 - z8l);
685 z1'r{dir45} .. z2r{down} .. z3r{dir207} .. z5r{up} ..
686 z6r{z7-z6l} & z6r -- z8r -- z8l -- z7 --- z6l ...
687 z5l{down} .. z4{right} .. z3l{dir27} .. z2l{up} ..
688 z1l{1/3[z6l,z7]-z1l} & z1l -- z1r -- z1'r & cycle
689 shifted (-exact_center + (0, -0.75reduced_il));
691 penpos9(stem_width, 0);
692 x9r = x4; y9 = 0.3 height;
697 draw z9 -- (z9 + (0, -0.4reduced_il))
698 shifted (-exact_center + (0, -0.75reduced_il));
706 scaled 0.5 reduced_il
709 shifted (0, 0.25reduced_il)
710 shifted (-exact_center + (0, -0.75reduced_il));
713 scaled 0.4 reduced_il
715 shifted (z8 + (0, 0.45 reduced_il))
716 shifted (0, 0.25reduced_il)
717 shifted (-exact_center + (0, -0.75reduced_il));
721 fet_beginchar("mensural g clef", "mensural_g", "mensgclef")
723 draw_staff(-1,3, 0.0);
725 draw_mensural_g_clef((0,0), 1.0);
727 fet_beginchar("mensural g clef", "mensural_g_change", "cmensgclef")
728 draw_mensural_g_clef((0,0), .8);
733 def draw_petrucci_g_clef(expr exact_center, reduction) =
734 % inspired by Josquin Desprez, "Stabat Mater", Libro tertio,
735 % 1519, printed by Petrucci, in: MGG, volume 7, Table 11.
737 save reduced_il, reduced_slt;
739 reduced_il# = staff_space# * reduction;
740 reduced_slt# = stafflinethickness# * reduction;
741 define_pixels(reduced_il, reduced_slt);
743 set_char_box(0, 1.25 reduced_il#,
744 0.65 reduced_il#, 3.80 reduced_il#);
746 save za, zb, zc, zd, ze, zf, zg, zh, zi, zj;
747 pair za, zb, zc, zd, ze, zf, zg, zh, zi, zj;
750 xscaled 0.50 reduced_slt
751 yscaled 0.22 reduced_il
754 lft za = exact_center + (0.80 reduced_il, +0.00 reduced_il);
755 lft zb = exact_center + (1.00 reduced_il, +1.20 reduced_il);
756 lft zc = exact_center + (0.70 reduced_il, +2.00 reduced_il);
757 lft zd = exact_center + (0.30 reduced_il, +3.00 reduced_il);
758 lft ze = exact_center + (0.80 reduced_il, +3.70 reduced_il);
759 lft zf = exact_center + (1.00 reduced_il, +3.00 reduced_il);
760 lft zg = exact_center + (0.60 reduced_il, +2.00 reduced_il);
761 lft zh = exact_center + (0.30 reduced_il, +1.70 reduced_il);
762 lft zi = exact_center + (0.00 reduced_il, +0.75 reduced_il);
763 lft zj = exact_center + (0.20 reduced_il, +0.60 reduced_il);
765 draw za{-1,2} .. zb .. zc .. zd .. ze .. zf .. zg .. zh .. zi .. zj;
767 save za, zb, zc, zd, ze, zf;
768 pair za, zb, zc, zd, ze, zf;
771 xscaled 0.75 reduced_slt
772 yscaled 0.33 reduced_il
775 lft za = exact_center + (1.05 reduced_il, +0.45 reduced_il);
776 lft zb = exact_center + (0.55 reduced_il, +0.45 reduced_il);
777 lft zc = exact_center + (0.55 reduced_il, -0.45 reduced_il);
778 lft zd = exact_center + (1.05 reduced_il, -0.45 reduced_il);
779 lft ze = exact_center + (1.10 reduced_il, +0.00 reduced_il);
780 lft zf = exact_center + (0.80 reduced_il, +0.00 reduced_il);
782 draw za .. zb .. zc .. zd .. {up}ze -- zf;
786 fet_beginchar("petrucci g clef", "petrucci_g", "petruccigclef")
788 draw_staff(-1,3, 0.0);
790 draw_petrucci_g_clef((0,0), 1.0);
792 fet_beginchar("petrucci g clef", "petrucci_g_change", "cpetruccigclef")
793 draw_petrucci_g_clef((0,0), .8);
806 def draw_hufnagel_do_clef(expr exact_center, reduction) =
808 % inspired by Graduale of Friedrich Zollner (1442), in: MGG,
809 % volume 9, col. 1413 ("Neustift"), fig. 1.
813 reduced_il# = staff_space# * reduction;
815 define_pixels(reduced_il);
818 xscaled (0.60reduced_il)
819 yscaled (0.10reduced_il)
821 save za, zb, zc, zd, ze, zf;
822 pair za, zb, zc, zd, ze, zf;
824 za = exact_center + (+0.30reduced_il, +.45reduced_il);
825 zb = exact_center + (+0.20reduced_il, +.45reduced_il);
826 zc = exact_center + (-0.10reduced_il, +.60reduced_il);
827 zd = exact_center + (-0.40reduced_il, +.45reduced_il);
828 ze = exact_center + (-0.40reduced_il, -.45reduced_il);
829 zf = exact_center + (-0.20reduced_il, -.55reduced_il);
830 draw za .. zb .. zc -- zd -- ze -- zf;
832 set_char_box(0.60reduced_il#, 0.50reduced_il#,
833 0.70reduced_il#, 0.75reduced_il#);
837 fet_beginchar("Hufnagel do clef", "hufnagel_do", "hufnageldoclef")
839 draw_staff(-1,3, 0.0);
841 draw_hufnagel_do_clef((0,0), 1.0);
843 fet_beginchar("Hufnagel do clef", "hufnagel_do_change", "chufnageldoclef")
844 draw_hufnagel_do_clef((1.3 staff_space#,0), .8);
848 def draw_hufnagel_fa_clef(expr exact_center, reduction) =
850 % inspired by Bamberger Manuscript (15th century), in:
851 % MGG, volume 2, table 59.
855 reduced_il# = staff_space# * reduction;
857 define_pixels(reduced_il);
860 xscaled (0.60reduced_il)
861 yscaled (0.10reduced_il)
863 save za, zb, zc, zd, ze, zf;
864 pair za, zb, zc, zd, ze, zf;
866 za = exact_center + (+0.30reduced_il, +0.70reduced_il);
867 zb = exact_center + (+0.20reduced_il, +0.70reduced_il);
868 zc = exact_center + (-0.10reduced_il, +0.85reduced_il);
869 zd = exact_center + (-0.40reduced_il, +0.70reduced_il);
870 ze = exact_center + (-0.40reduced_il, -1.10reduced_il);
871 draw za .. zb .. zc -- zd -- ze;
876 zg = exact_center + (+0.30reduced_il, -0.05reduced_il);
877 zh = exact_center + (+0.20reduced_il, -0.05reduced_il);
878 zi = exact_center + (-0.10reduced_il, +0.10reduced_il);
879 zj = exact_center + (-0.40reduced_il, -0.05reduced_il);
880 draw zg .. zh .. zi -- zj;
882 set_char_box(0.60reduced_il#, 0.60reduced_il#,
883 1.15reduced_il#, 1.00reduced_il#);
887 fet_beginchar("Hufnagel fa clef", "hufnagel_fa", "hufnagelfaclef")
889 draw_staff(-1,3, 0.0);
891 draw_hufnagel_fa_clef((0,0), 1.0);
893 fet_beginchar("Hufnagel fa clef", "hufnagel_fa_change", "chufnagelfaclef")
894 draw_hufnagel_fa_clef((0,0), .8);
898 def draw_hufnagel_do_fa_clef(expr exact_center, reduction) =
899 draw_hufnagel_do_clef(exact_center, reduction);
900 draw_hufnagel_fa_clef(exact_center + (0, -2staff_space), reduction);
901 set_char_box(0.60reduced_il#, 0.60reduced_il#,
902 1.15reduced_il# + 2staff_space#, 0.75reduced_il#);
906 fet_beginchar("Hufnagel do/fa clef", "hufnagel_do_fa", "hufnageldofaclef")
908 draw_staff(-1,3, 0.0);
910 draw_hufnagel_do_fa_clef((0,0), 1.0);
912 fet_beginchar("Hufnagel do/fa clef", "hufnagel_do_fa_change",
914 draw_hufnagel_do_fa_clef((0,0), .8);
918 fet_endgroup ("clefs")