1 % feta-klef.mf -- implement Clefs -*-Fundamental-*-
3 % part of LilyPond's pretty-but-neat music font
5 % source file of the Feta (not the Font-En-Tja) music font
7 % (c) 1997--2001 Han-Wen Nienhuys <hanwen@cs.uu.nl>,
8 % Jan Nieuwenhuizen <janneke@gnu.org>,
9 % Juergen Reuter <reuterj@ira.uka.de>
12 fet_begingroup("clefs");
15 % [Ross] says that clefs take 1 staff_space space on the left and right
17 def set_horizontal_spacing =
18 save left_space ,right_space;
24 % [Wanske] says the bulbs should be positioned about 1/4 right of the
26 def draw_c_clef (expr reduction) =
27 save hair, norm, reduced_il, right_edge;
28 reduced_il#=staff_space#*reduction;
29 norm#:=2/3reduced_il#;
32 set_horizontal_spacing;
33 right_edge# = 15/4norm#+2hair#;
35 set_char_box (left_space#, right_edge# + right_space#,
36 2 reduced_il#, 2 reduced_il#);
37 define_pixels (hair,norm,reduced_il, right_edge);
39 draw_block ((0,-d), (3/4norm+1/2hair,h));
40 draw_block ((3/4norm+2hair,-d),
46 z1l=(xoff+norm+hair,h);
47 penpos2(norm-3/2hair,180);
50 z3=(((right_edge -xoff)/2)+xoff,2hair);
53 z4=(xoff+1/2norm+1/2hair,reduced_il-hair);
58 penpos6(norm-hair,90);
66 p = z5l..z4l{up}..z4r{down}..z3r{right}..tension t..z2r{up}
67 ..tension t..z1r{left}..z1l{right}..tension t..z2l{down}
68 ..z3l{left}..z6r..z5r{down};
69 pickup pencircle scaled 1pt#;
70 filldraw p..(reverse p yscaled -1)..cycle;
71 penlabels (1,2,3,4,5,6);
73 % ugh, should be bulb, not flare?
74 draw_flare(z1l,180,90,hair,norm-1/2hair);
75 draw_flare(z7r,180,-90,hair,norm-1/2hair);
78 fet_beginchar ("C clef", "C", "altoclef")
80 draw_staff (-2,2, 0.0);
85 fet_beginchar ("C clef", "C_change", "caltoclef")
87 draw_staff (-2,2, 0.0);
93 % Inspired by Baerenreiter and Breitkopf
96 % FIXME: right vertical tangent seems to be lower than the F-line
97 % FIXME: bulb curve smoothly into "long curve" on the inside
100 % [Wanske] says that the extreme x point should be exactly between
101 % the dots, but her picture shows that the extreme is ~ 0.2 ss lower
103 def draw_bass_clef(expr exact_center, reduction) =
104 save reduced_il, left_tilt, left_thick, ball_to_right;
105 reduced_il# = staff_space# * reduction;
107 set_horizontal_spacing;
108 ball_to_right# = 2.1 reduced_il#;
109 set_char_box(left_space# +
110 - xpart exact_center,
112 xpart exact_center + ball_to_right# + 7/12 reduced_il#,
113 - ypart exact_center + 2.5 reduced_il#,
114 ypart exact_center +reduced_il#);
116 define_pixels(reduced_il, ball_to_right);
118 left_thick = .25 reduced_il;
120 x1r - x1l = left_thick;
121 z1l = (hround_pixels(xpart exact_center),
122 vround_pixels(ypart exact_center));
126 x3l - x1l = ball_to_right;
128 x3l - x3r = .48 reduced_il;
129 y3l = -0.05 staff_space;
130 x4 = x1l - stafflinethickness;
131 y4 = -2.2 reduced_il;
132 z5 = (x3l + 1/3 reduced_il, .5 reduced_il);
134 penpos1(whatever, left_tilt);
135 penpos2(1.2 stafflinethickness, -90);
136 penpos3(whatever, 185);
137 penpos4(stafflinethickness, 135);
139 draw_bulb(1, z1r, z1l, .45 reduced_il, 1.0);
142 fill z1r{up} .. z2r{right} .. tension 1.0 .. z3r{down} .. {curl 0}
143 simple_serif(z4r, z4l, 90) {curl 0}
144 .. z3l{up} .. tension 0.9 .. z2l{left}
145 .. z1l{dir (-90 + left_tilt)} -- cycle;
150 2 dot_diam = reduction* (staff_space - stafflinethickness);
151 pickup pencircle scaled dot_diam;
158 fet_beginchar("F clef ", "F", "bassclef")
160 draw_staff(-3,1, 0.0);
162 draw_bass_clef((.5 staff_space#, 0), 1.0);
164 fet_beginchar("F clef (reduced)", "F_change", "cbassclef")
165 draw_bass_clef((.4 staff_space#, 0),0.8);
171 % Inspired by Baerenreiter
173 % FIXME bulb should curve (see bass clef)
174 % FIXME start (inside) should be little thinner
178 % Beste lezers, kijk,
180 % Een bolletje hebben we bij toeval allemaal wel eens getekend, maar begint u
181 % toch eenvoudig. Eerst een eenvoudig kruis of herstellingsteken
182 % en via de dubbelslag naar een voorzichtig vlaggetje, en heb geduld!
183 % Ikzelf heb bijvoorbeeld over mijn eerste gave G-sleutel
184 % 35 kilobyte metafont, 12 patchlevels, 0 vriendinnen en 45 dagen gedaan
186 % -- vrij naar Van Kooten & De Bie
189 def draw_gclef (expr exact_center, reduction)=
190 save reduced_il, downstroke_dir, downstroke_angle, hair, center;
191 save breapth_factor, inner_thick_end, thinness, thickness, thinnib;
192 save inner_start_angle, thinness, thinpen;
193 reduced_il# = staff_space# * reduction;
194 define_pixels(reduced_il);
195 pair downstroke_dir, center;
197 center := (hround_pixels(xpart exact_center),
198 vround_pixels(ypart exact_center));
200 hair = .3 stafflinethickness;
201 thinness = 1.3 stafflinethickness;
202 downstroke_dir = (14, -75);
203 breapth_factor = 11/7;
204 inner_thick_end = 45;
205 inner_start_angle = downstroke_angle - 43;
206 thickness = .4 reduced_il - hair;
208 thinnib = thinness - hair;
210 set_horizontal_spacing;
214 -xpart exact_center + 1.0 * breapth_factor* reduced_il#,
216 xpart exact_center + .66 breapth_factor* reduced_il#,
217 -ypart exact_center + 3 * reduced_il#,
218 ypart exact_center + 5 * reduced_il#);
220 pickup pencircle scaled hair;
221 downstroke_angle = angle downstroke_dir;
223 z1 = center + whatever * dir (inner_start_angle);
224 x1 = xpart center -.28 reduced_il;
226 top z2r = center + (0,reduced_il + stafflinethickness/2);
228 x4 = xpart center - .1 reduced_il;
229 bot y4r = -(reduced_il + .5 stafflinethickness);
231 z3 = (z4 - center) rotated inner_thick_end + center;
233 z5r = (- breapth_factor, .37)* reduced_il + center;
234 penpos5(thickness, 135);
236 z6 = center + whatever * downstroke_dir;
237 y6 = ypart center + 2 reduced_il;
239 z7l - z6 = whatever *(z5- z6) ;
240 y7l = 3.5 reduced_il;
241 z8r = .4 [z9r, z7r] + 1.5 stafflinethickness * dir 52;
244 top y9l = 5 reduced_il;
247 y11 = -11/7 reduced_il;
249 y12 = ypart center - 18.5/7 reduced_il;
250 x12 = x11 - 5 /7 reduced_il;
252 z13 = z12 + .6 reduced_il*(-1,1);
254 (z10r - z10l) dotprod (unitvector downstroke_dir rotated 90) =
257 center - z10= whatever * downstroke_dir;
258 center - z11 = whatever * downstroke_dir;
259 center - z14 = .8 (center - z11);
260 penpos1(thinnib, inner_start_angle);
261 penpos2(thickness, 90);
262 penpos3(thinnib, -90 + inner_thick_end);
263 penpos4(thinnib, -90);
266 penpos7(thickness, 135);
267 penpos8(1.5 thinnib, - 70 + angle downstroke_dir);
268 penpos9(1.4 thickness, -80); % ugh
269 penpos10(whatever, downstroke_angle + 10);
270 penpos11(thinnib, downstroke_angle + 90);
271 penpos14(thinnib, downstroke_angle + 90);
272 penpos12(thinnib, -90);
273 penpos13(3 thinnib, 180);
275 filldraw z2l{right} .. z3l.. z4l{left} .. z5l{up} .. z7l{up}
279 {downstroke_dir}z10l --- z11l -- z11r --- z10r{- downstroke_dir}
281 .. z9r & z9r{dir (downstroke_angle+ 40)} % ugh
283 .. z7r{down} .. z5r{down} .. z4r{right}
284 .. z3r .. z2r{left} ..
287 .. tension 0.85 ..cycle;
289 filldraw simple_serif(z1r, z1l, 90) -- cycle;
291 filldraw z12r{left} .. z13r{up} -- z13l{down} .. z12l{right} .. cycle;
293 draw_bulb(-1, z13l, lft z13r, 6/14 reduced_il, 1.0);
295 pickup pencircle scaled (thinpen);
296 draw z10 --- z14 .. z11 .. tension 0.85 .. z12{left};
298 penlabels(range 1 thru 15);
302 fet_beginchar("G clef", "G", "trebleclef")
304 draw_staff(-1,3, 0.0);
306 draw_gclef((1.7 staff_space#,0), 1.0);
308 fet_beginchar("G clef", "G_change", "ctrebleclef")
309 draw_gclef((1.3 staff_space#,0), .8);
320 def draw_vaticana_do_clef(expr exact_center, reduction) =
323 reduced_il# = staff_space# * reduction;
325 set_char_box(0.4reduced_il#, 0.4reduced_il#, 0, reduced_il#);
327 define_pixels(reduced_il);
329 pickup pencircle xscaled stafflinethickness yscaled 0.6reduced_il;
331 save za, zb, zc, zd, ze, zf;
332 pair za, zb, zc, zd, ze, zf;
334 za = exact_center + (-0.0reduced_il, -.45reduced_il);
335 zb = exact_center + (-0.2reduced_il, -.50reduced_il);
336 zc = exact_center + (-0.4reduced_il, -.25reduced_il);
337 zd = exact_center + (-0.4reduced_il, +.25reduced_il);
338 ze = exact_center + (-0.2reduced_il, +.50reduced_il);
339 zf = exact_center + (-0.0reduced_il, +.45reduced_il);
340 draw za .. zb .. zc -- % lower punctum
341 zd .. ze .. zf; % upper punctum
345 fet_beginchar("Ed. Vat. do clef", "vaticana_do", "vatdoclef")
347 draw_staff(-1,3, 0.0);
349 draw_vaticana_do_clef((0,0), 1.0);
351 fet_beginchar("Ed. Vat. do clef", "vaticana_do_change", "vatcdoclef")
352 draw_vaticana_do_clef((0,0), 1.0); % no reduction
356 def draw_vaticana_fa_clef(expr exact_center, reduction) =
359 reduced_il# = staff_space# * reduction;
360 define_pixels(reduced_il);
362 save za, zb, zc, zd, ze;
363 pair za, zb, zc, zd, ze;
366 pickup pencircle scaled stafflinethickness;
367 xpart za = xpart zb =
368 xpart exact_center + 0.4reduced_il;
369 ypart za = ypart exact_center = ypart zb + 1.5reduced_il;
373 pickup pencircle xscaled stafflinethickness yscaled 0.5reduced_il;
375 (+0.4reduced_il, -0.05reduced_il);
377 (+0.2reduced_il, +0.05reduced_il);
379 (+0.0reduced_il, +0.00reduced_il);
382 %right-handed puncta as in do clef
383 draw_vaticana_do_clef(
385 (+0.8reduced_il + 1.25stafflinethickness, 0),
388 set_char_box(0.5reduced_il#, 1.5reduced_il#, 0, reduced_il#);
392 fet_beginchar("Ed. Vat. fa clef", "vaticana_fa", "vatfaclef")
394 draw_staff(-1,3, 0.0);
396 draw_vaticana_fa_clef((0,0), 1.0);
398 fet_beginchar("Ed. Vat. fa clef", "vaticana_fa_change", "vatcfaclef")
399 draw_vaticana_fa_clef((0,0), 1.0); % no reduction
410 def draw_medicaea_do_clef(expr exact_center, reduction) =
411 save reduced_il, reduced_slt;
412 reduced_il# = staff_space# * reduction;
413 reduced_slt# = stafflinethickness# * reduction;
414 define_pixels(reduced_il);
415 define_pixels(reduced_slt);
418 flag_height# = 0.5 reduced_il#;
419 define_pixels(flag_height);
424 pickup pencircle xscaled reduced_slt yscaled flag_height;
426 = xpart za + 0.5 reduced_il
427 = xpart zb - 0.5 reduced_il;
428 ypart za = ypart exact_center - 0.5 flag_height
429 - 0.5 (staff_space - reduced_il);
430 ypart zb = ypart za - reduced_il + flag_height;
436 pickup pencircle xscaled reduced_slt yscaled flag_height;
438 = xpart za + 0.5 reduced_il
439 = xpart zb - 0.5 reduced_il;
440 ypart za = ypart exact_center - 0.5 flag_height
441 - 0.5 (staff_space - reduced_il)
443 ypart zb = ypart za - reduced_il + flag_height;
449 pickup pencircle scaled reduced_slt;
450 xpart za = xpart zb = xpart exact_center - 0.5 reduced_il;
452 = ypart za + 1.5 reduced_il
453 = ypart zb - 1.5 reduced_il;
456 set_char_box(0.5reduced_il#, 1.5reduced_il#,
457 1.5reduced_il#, 1.5reduced_il#);
461 fet_beginchar("Ed. Med. do clef", "medicaea_do", "meddoclef")
463 draw_staff(-1,3, 0.0);
465 draw_medicaea_do_clef((0,0), 1.0);
467 fet_beginchar("Ed. Med. do clef", "medicaea_do_change", "cmeddoclef")
468 draw_medicaea_do_clef((0,0), .8);
472 def draw_medicaea_fa_clef(expr exact_center, reduction) =
473 % inspired by Regensburger Edition of Medicaea (1885/86), in:
474 % MGG, volume 2, col. 1327 ("Choralreform"), fig. 2.
476 save reduced_il, reduced_slt;
477 reduced_il# = staff_space# * reduction;
478 reduced_slt# = stafflinethickness# * reduction;
479 define_pixels(reduced_il);
480 define_pixels(reduced_slt);
482 save za, zb, zc, zd, ze;
483 pair za, zb, zc, zd, ze;
486 pickup pencircle scaled stafflinethickness;
487 xpart za = xpart zb =
488 xpart exact_center + 0.4reduced_il;
489 ypart za = ypart exact_center = ypart zb + 1.5reduced_il;
493 pickup pencircle xscaled reduced_slt yscaled reduced_il;
500 %right-handed puncta as in do clef
501 draw_medicaea_do_clef(
503 (+1.1reduced_il + 1.25stafflinethickness, 0),
506 set_char_box(reduced_il#/2, 2.6reduced_il#, 0, reduced_il#);
510 fet_beginchar("Ed. Med. fa clef", "medicaea_fa", "medfaclef")
512 draw_staff(-1,3, 0.0);
514 draw_medicaea_fa_clef((0,0), 1.0);
516 fet_beginchar("Ed. Med. fa clef", "medicaea_fa_change", "cmedfaclef")
517 draw_medicaea_fa_clef((0,0), .8);
529 brevis_wid# := 2 staff_space#;
531 def draw_brevis(expr exact_center, reduction, small_width, small_height) =
533 % inspired by function draw_brevis of
536 save reduced_slt, reduced_nht;
537 save stem_width, head_width;
538 save serif_size, serif_protrude;
539 save holeheight, beamheight;
541 reduced_slt# = stafflinethickness# * reduction;
542 reduced_nht# = noteheight# * reduction;
543 stem_width# = 1.4 reduced_slt#;
545 head_width# = 0.5brevis_wid# * reduction;
547 head_width# = brevis_wid# * reduction;
550 serif_size# = 0.64 reduced_slt#;
551 serif_protrude# = 0.96 serif_size#;
552 holeheight# = 3 reduced_slt#;
553 beamheight# = 0.32(reduced_nht# - holeheight#);
555 serif_size# = 1.0 reduced_slt#;
556 serif_protrude# = 1.5 serif_size#;
557 holeheight# = 3 reduced_slt#;
558 beamheight# = 0.5(reduced_nht# - holeheight#);
560 define_pixels(reduced_slt);
561 define_pixels(stem_width);
562 define_pixels(head_width);
563 define_pixels(serif_size);
564 define_pixels(serif_protrude);
565 define_pixels(beamheight);
567 penpos1(stem_width, 0);
568 penpos2(stem_width, 0);
569 penpos3(beamheight, 90);
570 penpos4(beamheight, 90);
571 penpos5(stem_width, 180);
574 z2l = z1l + (0, -reduced_slt/2);
575 z3r = z2r + serif_size*(1,-1);
577 x4l = x1l + head_width/2;
578 z5l = z3l + (-serif_size, -serif_protrude);
580 penlabels(1,2,3,4,5);
581 fill z1r -- z1l -- z5r{down} .. z5l{up} .. z3l{right}
582 -- z4l -- z4r -- z3r{left} .. z2r{up} -- cycle;
586 def draw_mensural_i_c_clef(expr exact_center, reduction) =
587 draw_brevis(exact_center, reduction, false, false);
589 save reduced_il, reduced_slt;
592 reduced_il# = staff_space# * reduction;
593 reduced_slt# = stafflinethickness# * reduction;
594 stem_width# = 1.4 reduced_slt#;
596 define_pixels(reduced_il);
597 define_pixels(reduced_slt);
598 define_pixels(stem_width);
600 penpos6(stem_width, 0);
601 penpos7(stem_width, 0);
603 z7l = z6l + (0, -2reduced_il);
604 fill z6l -- z7l -- z7r -- z6r -- cycle;
605 penpos8(stem_width, 0);
606 penpos9(stem_width, 0);
607 z8l = z6l + (-3reduced_slt, 0);
608 z9l = z8l + (0, -2reduced_il);
609 fill z8l -- z9l -- z9r -- z8r -- cycle;
611 addto currentpicture also currentpicture
612 yscaled -1 shifted (0, 2*(ypart exact_center));
613 addto currentpicture also currentpicture
614 xscaled -1 shifted (2x4l,0);
616 set_char_box(0, 2head_width#,
617 6reduced_slt#*reduction, 6reduced_slt#*reduction);
621 fet_beginchar("mensural c clef", "mensural1_c", "mens1cclef")
623 draw_staff(-1,3, 0.0);
625 draw_mensural_i_c_clef((0,0), 1.0);
627 fet_beginchar("mensural c clef", "mensural1_c_change", "cmens1cclef")
628 draw_mensural_i_c_clef((1.3 staff_space#,0), .8);
632 def draw_mensural_ii_c_clef(expr exact_center, reduction) =
633 draw_brevis(exact_center, reduction, true, true);
635 save reduced_il, reduced_slt;
636 save stem_width, interline;
638 reduced_il# = staff_space# * reduction;
639 reduced_slt# = stafflinethickness# * reduction;
640 stem_width# = 1.4 reduced_slt#;
641 interline# = staff_space#;
643 define_pixels(reduced_il);
644 define_pixels(reduced_slt);
645 define_pixels(stem_width);
646 define_pixels(interline);
648 penpos6(stem_width, 0);
649 penpos7(stem_width, 0);
650 z6l = exact_center + (0, -interline/2);
651 z7l = z6l + (0, -1.5reduced_il);
652 fill z6l -- z7l -- z7r -- z6r -- cycle;
654 addto currentpicture also currentpicture
655 yscaled -1 shifted (0, 2*(ypart exact_center) - interline);
656 addto currentpicture also currentpicture
657 yscaled -1 shifted (0, 4*(ypart exact_center));
658 addto currentpicture also currentpicture
659 xscaled -1 shifted (2x4l,0);
661 set_char_box(0, 2head_width#,
662 noteheight#*4*reduction, noteheight#*4*reduction);
666 fet_beginchar("mensural c clef", "mensural2_c", "mens2cclef")
668 draw_staff(-1,3, 0.0);
670 draw_mensural_ii_c_clef((0,0), 1.0);
672 fet_beginchar("mensural c clef", "mensural2_c_change", "cmens2cclef")
673 draw_mensural_ii_c_clef((1.3 staff_space#,0), .8);
677 def draw_mensural_iii_c_clef(expr exact_center, reduction) =
678 % inspired by Ockeghem, "Missa Prolationum", in: MGG, volume
680 draw_mensural_ii_c_clef(exact_center, reduction);
682 addto currentpicture also currentpicture
683 shifted (0, -interline);
685 set_char_box(0, 2head_width#,
686 noteheight#*6*reduction, noteheight#*6*reduction);
690 fet_beginchar("mensural c clef", "mensural3_c", "mens3cclef")
692 draw_staff(-1,3, 0.0);
694 draw_mensural_iii_c_clef((0,0), 1.0);
696 fet_beginchar("mensural c clef", "mensural3_c_change", "cmens3cclef")
697 draw_mensural_iii_c_clef((0,0), .8);
700 def draw_diamond(expr exact_center, reduction) =
701 save stem_width, reduced_il, reduced_nht, holeheight, beamheight;
702 save rh_height, rh_width;
704 stem_width# = 1.4 reduced_slt#;
705 reduced_il# = staff_space# * reduction;
706 reduced_nht# = noteheight# * reduction;
707 holeheight# = 3 reduced_slt#;
708 beamheight# = 0.4(reduced_nht# - holeheight#);
710 rh_height# = 1.2reduced_il#;
711 rh_width# / rh_height# = 0.58; % tan(30)
713 define_pixels(beamheight);
714 define_pixels(stem_width);
715 define_pixels(rh_height);
716 define_pixels(rh_width);
724 exact_center + (-rh_width/2, 0) --
725 exact_center + (0, rh_height/2) --
726 exact_center + (+rh_width/2, 0) --
727 exact_center + (0, -rh_height/2) --
731 def draw_mensural_i_f_clef(expr exact_center, reduction) =
733 % inspired by Gaspar van Weerbeke, "Virgo Maria" (1502), in:
734 % MGG, volume 9, col. 653 ("Motette"), fig. 3.; also by
735 % Andr'e Campra, "Entr'ee des s'er'enades" (1710), in: MGG,
736 % volume 2, col. 1649 ("Contredanse"), fig. 2.
738 draw_brevis(exact_center, reduction, true, false);
740 save reduced_il, reduced_slt;
741 save stem_width, interline;
743 reduced_il# = staff_space# * reduction;
744 reduced_slt# = stafflinethickness# * reduction;
745 stem_width# = 1.4 reduced_slt#;
746 interline# = staff_space#;
748 define_pixels(reduced_il);
749 define_pixels(reduced_slt);
750 define_pixels(stem_width);
751 define_pixels(interline);
753 addto currentpicture also currentpicture
754 yscaled -1 shifted (0, 2*(ypart exact_center));
755 addto currentpicture also currentpicture
756 xscaled -1 shifted (2x4l,0);
758 penpos6(stem_width, 0);
759 penpos7(stem_width, 0);
760 z6r = exact_center + (2x4l, 0);
761 z7r = z6r + (0, -4reduced_il);
762 fill z6l -- z7l -- z7r -- z6r -- cycle;
764 draw_diamond(exact_center +
765 (1.6interline*reduction, interline/2), reduction);
766 %% some editions put a stem on top of the upper note head:
767 % penpos8(stem_width, 0);
768 % penpos9(stem_width, 0);
769 % z8l = exact_center + (1.6interline*reduction, interline*reduction);
770 % z9l = z8l + (0, 1.5interline*reduction);
771 % fill z8l -- z9l -- z9r -- z8r -- cycle;
773 draw_diamond(exact_center +
774 (1.6interline*reduction, -interline/2), reduction);
775 penpos10(stem_width, 0);
776 penpos11(stem_width, 0);
777 z10r = exact_center + (1.6interline*reduction, -interline*reduction);
778 z11r = z10r + (0, -3.5interline*reduction);
779 fill z10l -- z11l -- z11r -- z10r -- cycle;
781 set_char_box(0, 3head_width#,
782 3.5noteheight#*reduction, 1.5noteheight#*reduction);
786 fet_beginchar("mensural f clef", "mensural1_f", "mens1fclef")
788 draw_staff(-1,3, 0.0);
790 draw_mensural_i_f_clef((0,0), 1.0);
792 fet_beginchar("mensural f clef", "mensural1_f_change", "cmens1fclef")
793 draw_mensural_i_f_clef((0,0), .8);
797 def draw_mensural_ii_f_clef(expr exact_center, reduction) =
799 % inspired by Philippe le Duc, "Dite Signori" (1590), in: MGG,
800 % volume 3, col. 848 ("Duc"); also by John Dowland, "The First
801 % Booke of Songes" (1597), in: MGG, volume 3, col. 721
802 % ("Dowland"), fig. 3.
804 save reduced_slt, stem_width, reduced_nht, holeheight, beamheight;
806 reduced_slt# = stafflinethickness# * reduction;
807 stem_width# = 1.4 reduced_slt#;
808 reduced_nht# = noteheight# * reduction;
809 holeheight# = 3 reduced_slt#;
810 beamheight# = 0.4(reduced_nht# - holeheight#);
812 define_pixels(beamheight, stem_width, staff_space);
820 exact_center + (1.0 staff_space, 0.6 staff_space) --
821 exact_center + (1.25 staff_space, 0.4 staff_space);
824 exact_center + (1.0 staff_space, -0.4 staff_space) --
825 exact_center + (1.25 staff_space, -0.6 staff_space);
827 draw halfcircle scaled 1.2 staff_space rotated -90
828 shifted (-exact_center + (+0.1 staff_space, 0));
830 set_char_box(0, 3staff_space#, 3staff_space#, 0);
833 fet_beginchar("mensural f clef", "mensural2_f", "mens2fclef")
835 draw_staff(-1,3, 0.0);
837 draw_mensural_ii_f_clef((0,0), 1.0);
839 fet_beginchar("mensural f clef", "mensural2_f_change", "cmens2fclef")
840 draw_mensural_ii_f_clef((0,0), .8);
844 def draw_mensural_g_clef(expr exact_center, reduction) =
846 % inspired by Francisco Guerrero, "Lib. 1. Missarum" (1566),
847 % in: MGG, volume 3, col. 858 ("Ducis"); also by Stefano
848 % Fabri, "Quam speciosa veteranis" (1611), in: MGG, volume 3,
849 % col. 1698 ("Fabri"); also by Philippus Dulichius,
850 % "Fasciculus novus ..." (1598), in: MGG, volume 3, col. 919
851 % ("Dulichius"), fig. 1; also by Noe Faignient, "Ic sal de
852 % Heer myn God gebenedye" (1568), in: MGG, volume 3, col. 1735
855 % Metafont code partially inspired by Schwabacher 'G' of yswab
858 save reduced_il, stem_width, height, width, apex_o, hair;
860 reduced_il#=staff_space#*reduction;
862 set_char_box(0.5reduced_il#, 1.5reduced_il#,
863 1.5reduced_il#, 1.5reduced_il#);
865 stem_width# = 0.17 reduced_il#;
866 height# = 1.5 reduced_il#;
867 width# = 1.13 reduced_il#;
868 apex_o# = 0.02 reduced_il#;
869 hair# = 3 stafflinethickness#;
870 define_pixels(reduced_il, stem_width, height, width, apex_o, hair);
872 penpos1(2 stem_width, -142);
873 z1l = (0.715 width, 0.742 height);
876 penpos2(1.179 stem_width, -142);
877 z2l = (width, 0.466 height);
879 z3 = (0.764 width, 0.067 height);
880 z4 = (0.59 width, -apex_o);
881 penpos5(1.179 stem_width, 32);
882 z5l=(0, 0.457 height);
883 penpos6(hair, -56.5);
884 z7 = (x4 - 0.843 stem_width, height + apex_o);
885 z7 - z6l = whatever * dir33.5;
886 penpos8(1.286 stem_width, -130);
887 z8r = (0.715 width, 0.742 height) + (-apex_o, apex_o);
888 z6r - z8r = whatever * (z7 - z8l);
890 z1'r{dir45} .. z2r{down} .. z3r{dir207} .. z5r{up} ..
891 z6r{z7-z6l} & z6r -- z8r -- z8l -- z7 --- z6l ...
892 z5l{down} .. z4{right} .. z3l{dir27} .. z2l{up} ..
893 z1l{1/3[z6l,z7]-z1l} & z1l -- z1r -- z1'r & cycle
894 shifted (-exact_center + (0, -0.75reduced_il));
896 penpos9(stem_width, 0);
897 x9r = x4; y9 = 0.3 height;
902 draw z9 -- (z9 + (0, -0.4reduced_il))
903 shifted (-exact_center + (0, -0.75reduced_il));
911 scaled 0.5 reduced_il
914 shifted (0, 0.25reduced_il)
915 shifted (-exact_center + (0, -0.75reduced_il));
918 scaled 0.4 reduced_il
920 shifted (z8 + (0, 0.45 reduced_il))
921 shifted (0, 0.25reduced_il)
922 shifted (-exact_center + (0, -0.75reduced_il));
926 fet_beginchar("mensural g clef", "mensural_g", "mensgclef")
928 draw_staff(-1,3, 0.0);
930 draw_mensural_g_clef((0,0), 1.0);
932 fet_beginchar("mensural g clef", "mensural_g_change", "cmensgclef")
933 draw_mensural_g_clef((0,0), .8);
946 def draw_hufnagel_do_clef(expr exact_center, reduction) =
948 % inspired by Graduale of Friedrich Zollner (1442), in: MGG,
949 % volume 9, col. 1413 ("Neustift"), fig. 1.
953 reduced_il# = staff_space# * reduction;
955 define_pixels(reduced_il);
958 xscaled (0.60reduced_il)
959 yscaled (0.10reduced_il)
961 save za, zb, zc, zd, ze, zf;
962 pair za, zb, zc, zd, ze, zf;
964 za = exact_center + (+0.30reduced_il, +.45reduced_il);
965 zb = exact_center + (+0.20reduced_il, +.45reduced_il);
966 zc = exact_center + (-0.10reduced_il, +.60reduced_il);
967 zd = exact_center + (-0.40reduced_il, +.45reduced_il);
968 ze = exact_center + (-0.40reduced_il, -.45reduced_il);
969 zf = exact_center + (-0.20reduced_il, -.55reduced_il);
970 draw za .. zb .. zc -- zd -- ze -- zf;
972 set_char_box(0.5reduced_il#, 0.5reduced_il#, 0, reduced_il#);
976 fet_beginchar("Hufnagel do clef", "hufnagel_do", "hufnageldoclef")
978 draw_staff(-1,3, 0.0);
980 draw_hufnagel_do_clef((0,0), 1.0);
982 fet_beginchar("Hufnagel do clef", "hufnagel_do_change", "chufnageldoclef")
983 draw_hufnagel_do_clef((1.3 staff_space#,0), .8);
987 def draw_hufnagel_fa_clef(expr exact_center, reduction) =
989 % inspired by Bamberger Manuscript (15th century), in:
990 % MGG, volume 2, table 59.
994 reduced_il# = staff_space# * reduction;
996 define_pixels(reduced_il);
999 xscaled (0.60reduced_il)
1000 yscaled (0.10reduced_il)
1002 save za, zb, zc, zd, ze, zf;
1003 pair za, zb, zc, zd, ze, zf;
1005 za = exact_center + (+0.30reduced_il, +0.70reduced_il);
1006 zb = exact_center + (+0.20reduced_il, +0.70reduced_il);
1007 zc = exact_center + (-0.10reduced_il, +0.85reduced_il);
1008 zd = exact_center + (-0.40reduced_il, +0.70reduced_il);
1009 ze = exact_center + (-0.40reduced_il, -1.10reduced_il);
1010 draw za .. zb .. zc -- zd -- ze;
1012 save zg, zh, zi, zj;
1013 pair zg, zh, zi, zj;
1015 zg = exact_center + (+0.30reduced_il, -0.05reduced_il);
1016 zh = exact_center + (+0.20reduced_il, -0.05reduced_il);
1017 zi = exact_center + (-0.10reduced_il, +0.10reduced_il);
1018 zj = exact_center + (-0.40reduced_il, -0.05reduced_il);
1019 draw zg .. zh .. zi -- zj;
1021 set_char_box(0.5reduced_il#, 0.5reduced_il#, 0, reduced_il#);
1025 fet_beginchar("Hufnagel fa clef", "hufnagel_fa", "hufnagelfaclef")
1027 draw_staff(-1,3, 0.0);
1029 draw_hufnagel_fa_clef((0,0), 1.0);
1031 fet_beginchar("Hufnagel fa clef", "hufnagel_fa_change", "chufnagelfaclef")
1032 draw_hufnagel_fa_clef((0,0), .8);
1036 def draw_hufnagel_do_fa_clef(expr exact_center, reduction) =
1037 draw_hufnagel_do_clef(exact_center, reduction);
1038 draw_hufnagel_fa_clef(exact_center + (0, -2staff_space), reduction);
1042 fet_beginchar("Hufnagel do/fa clef", "hufnagel_do_fa", "hufnageldofaclef")
1044 draw_staff(-1,3, 0.0);
1046 draw_hufnagel_do_fa_clef((0,0), 1.0);
1048 fet_beginchar("Hufnagel do/fa clef", "hufnagel_do_fa_change",
1049 "chufnageldofaclef")
1050 draw_hufnagel_do_fa_clef((0,0), .8);
1053 def draw_percussion_clef(expr reduction) =
1055 reduced_il# = staff_space# * reduction;
1056 define_pixels(reduced_il);
1057 set_char_box(-.67reduced_il#,2.0reduced_il#,reduced_il#,reduced_il#);
1058 razt := 0.45reduced_il;
1059 pickup penrazor scaled razt;
1060 draw (-b+razt/2,h) -- (-b+razt/2,-d);
1061 draw (w-razt/2,h) -- (w-razt/2,-d);
1064 fet_beginchar("percussion clef", "percussion", "percussionclef")
1065 draw_percussion_clef(1.0);
1068 fet_beginchar("percussion clef", "percussion_change", "cpercussionclef")
1069 draw_percussion_clef(.8);
1072 def draw_tab_clef(expr reduction) =
1074 reduced_il# = staff_space# * reduction;
1075 define_pixels(reduced_il);
1076 set_char_box(-.5reduced_il#,1.8reduced_il#,2.25reduced_il#,2.25reduced_il#);
1077 bs := -d+0.65reduced_il;
1079 xp := 0.32 reduced_il;
1080 yp := 0.25reduced_il;
1081 pickup pensquare xscaled xp yscaled yp;
1083 draw (-b,h) -- (w,h);
1084 draw (cx,h) -- (cx,h-1.2reduced_il);
1086 pickup penrazor scaled yp rotated 90;
1087 draw (-0.85b+0.15w,-0.25reduced_il) -- (-0.15b+0.85w,-0.25reduced_il);
1088 pickup penrazor scaled xp;
1089 draw (-b,-0.6reduced_il-yp/2) -- (cx,0.6reduced_il+yp/2) -- (w,-0.6reduced_il-yp/2);
1092 pickup pensquare xscaled xp yscaled yp;
1093 draw (-b,-d+1.2reduced_il) -- (-b,-d);
1094 pickup pencircle xscaled xp yscaled yp;
1095 draw (-b,-d) --- (cx,-d) .. (w,0.5(bs-d)) .. (cx,bs) --- (-b,bs) --- (cx,bs)
1096 .. (0.3cx+0.7w,0.5(bs-d+1.2reduced_il)) .. (cx,-d+1.2reduced_il) --- (-b,-d+1.2reduced_il)
1099 fet_beginchar("tab clef", "tab", "tabclef")
1103 fet_beginchar("tab clef", "tab_change", "ctabclef")
1107 fet_endgroup("clefs");