1 % -*- Fundamental -*- (emacs-20 mf mode mucks
2 % feta-schrift.mf -- implement scripts
4 % source file of the Feta (defintively not an abbreviation for Font-En-Tja)
7 % (c) 1997 Han-Wen Nienhuys <hanwen@cs.uu.nl>
8 % Jan Nieuwenhuizen <janneke@gnu.org>
12 fet_begingroup("scripts")
15 save alpha, radius, crook_thinness, crook_fatness, dot_radius;
17 % [Wanske] and some Baerenreiter editions
18 % suggest ca 80 degrees iso half-circle
21 radius# = 1.25 staff_space#;
22 crook_thinness# = 1.5stafflinethickness#;
23 crook_fatness# = 4 stafflinethickness#;
25 radius# + crook_fatness#/2 = h#;
26 radius# + crook_thinness#/2 = w#;
27 set_char_box(w#, w#, crook_thinness#/2, h#);
29 define_pixels(radius, crook_thinness, crook_fatness);
30 dot_radius = round (4/6 crook_fatness);
33 penpos1(crook_thinness, 0);
34 penpos2(crook_fatness, -90);
38 fill z1l{dir (-alpha-90)}..{dir (90-alpha)}z1r..
39 {right}z2r -- z2l{left} .. cycle;
41 addto currentpicture also
42 currentpicture xscaled -1;
44 pickup pencircle scaled 2dot_radius;
46 bot y4 = - crook_thinness/2;
50 fet_beginchar("fermata up", "ufermata", "ufermata")
55 fet_beginchar("fermata down", "dfermata", "dfermata")
61 % Thumbs are used in cello music.
62 % TODO : thumbs should look like the finger-font and should be placed in
63 % the same way in the score.
66 fet_beginchar("Thumb", "thumb", "thumb")
67 save thin, height, width, thick;
69 height# = staff_space#;
70 thin = 1.2 stafflinethickness;
72 set_char_box(width#/2, width#/2, height#/2, height#/2);
79 penstroke z1e{up} .. {left}z2e;
80 addto currentpicture also currentpicture xscaled -1;
81 addto currentpicture also currentpicture yscaled -1;
86 draw_brush(z3,1.4*thin, z4,0.9*thick);
90 % FIXME: rounded endings
92 % `\accent' is TeX reserved.
93 fet_beginchar("> accent", "sforzato", "sforzatoaccent")
94 set_char_box(.9 staff_space#, .9 staff_space#, .5 staff_space#, .5 staff_space#);
95 save thickness, diminish;
97 thickness = 3/2 stafflinethickness;
98 pickup pencircle scaled thickness;
100 % prevent blobs at crossing lines
106 y2 = .25 thickness* diminish;
110 z3 = whatever [z1, z4];
112 penpos2(thickness*(2 - diminish)/2 , 90);
113 penpos1(thickness, 90);
114 penpos3(thickness, 90);
117 draw (z1 .. z3) yscaled -1;
119 penstroke z3e .. z2e;
120 penstroke (z3e .. z2e) yscaled -1;
126 fet_beginchar("staccato dot", "staccato", "staccato")
128 radius# = 0.20 * staff_space#;
129 define_whole_pixels(radius);
130 pickup pencircle scaled 2 radius;
132 set_char_box(radius#, radius#, radius#, radius#);
135 def draw_staccatissimo =
137 height# = .8 staff_space#;
138 radius# = 2 stafflinethickness#;
139 define_whole_pixels(radius);
140 define_pixels(height);
142 draw_brush((0,0), stafflinethickness, (0, height),2 radius);
143 set_char_box(radius#,radius#, blot_diameter#/2, height# + radius#);
146 fet_beginchar("staccatissimo/martellato up", "ustaccatissimo",
151 fet_beginchar("staccatissimo/martellato down", "dstaccatissimo", "dstaccatissimo")
156 fet_beginchar("portato/single tenuto", "tenuto", "tenuto")
158 thick# = 1.6 stafflinethickness#;
159 define_whole_pixels(thick);
161 set_char_box(.6 staff_space#, .6 staff_space#, thick#/2,thick#/2);
162 pickup pencircle scaled thick;
163 draw_rounded_block((-b,-thick/2),(w,thick/2),thick);
168 % Portato by Heikki Junes <heikki.junes@hut.fi>
173 thick# = 1.4 stafflinethickness#;
174 radius# = 1.4 stafflinethickness#;
175 define_whole_pixels(thick,radius);
177 set_char_box(.6 staff_space#, .6 staff_space#, thick#/2,.5 staff_space#+ radius#);
178 draw_rounded_block((-b,-thick/2),(w,thick/2),thick);
180 pickup pencircle scaled 2 radius;
185 fet_beginchar("portato/tenuto with staccato", "uportato",
191 fet_beginchar("portato/tenuto with staccato", "dportato",
199 save fat_factor, thinness;
200 set_char_box(staff_space#/2, staff_space#/2, 0, 1.1 staff_space#);
203 thinness = stafflinethickness;
205 pickup pencircle scaled thinness;
213 z1 - z4 = whatever * (charwd, -charht);
214 z4 = fat_factor [z3, z5];
216 filldraw z1 -- z2 -- z3 -- z4 -- cycle;
220 fet_beginchar("marcato up", "umarcato", "umarcato")
227 % The down marcato char (not very much used).
228 % Contrary to what some MF/TeX `gurus' believe
229 % it is *point*-symmetric with the "up" version
230 fet_beginchar("marcato down", "dmarcato", "dmarcato")
237 % used in french horn music todo
239 % TODO: too light at 20pt
240 fet_beginchar("open (unstopped)", "open", "ouvert")
241 save thin, height, width, thick;
242 height# = 5/4 width#;
243 height# = staff_space#;
244 thin = 1.2 stafflinethickness;
246 set_char_box(width#/2, width#/2, height#/2, height#/2);
253 penstroke z1e{up} .. {left}z2e;
254 addto currentpicture also currentpicture xscaled -1;
255 addto currentpicture also currentpicture yscaled -1;
259 fet_beginchar("plus (stopped)", "stopped", "plusstop")
261 thick = 2 stafflinethickness;
262 size# = 1.1 staff_space#;
264 set_char_box(size#/2, size#/2, size#/2, size#/2);
265 draw_rounded_block((-b,-thick/2),(w,thick/2),thick);
266 addto currentpicture also currentpicture rotated 90;
271 % A vee with tapered insides to prevent visual blotting
274 def draw_vee (expr width, height, thickness) =
280 pickup pencircle scaled thickness;
288 penpos3(thickness, 0);
289 penpos4(thickness * diminish, 0);
297 penstroke z3e .. z4e;
298 addto currentpicture also currentpicture xscaled -1;
302 fet_beginchar("Upbow", "upbow", "upbow")
303 save ht, wd, thick, diminish;
305 thick = 1.4 stafflinethickness;
306 wd# = 1.3 staff_space#;
308 set_char_box(wd#/2, wd#/2, 0, ht#);
309 draw_vee (wd, ht, thick);
313 fet_beginchar("Downbow", "downbow", "downbow")
314 save stemthick, beamheight;
318 wd# = 1.5 staff_space#;
319 stemthick = 1.2 stafflinethickness;
320 set_char_box(wd#/2, wd#/2, 0, 4/3 staff_space#);
324 draw_rounded_block((-b,h-beamheight),(w,h),blot_diameter);
325 draw_rounded_block((-b,-d),(-b+stemthick,h-stemthick),stemthick);
326 addto currentpicture also currentpicture xscaled -1;
330 % Inspired by a computer-set version of Auf dem Strom by Baerenreiter.
334 save thin, thick, ball_diam, darkness;
335 save wd, ht, thick_nibangle, ball_nib_thick;
339 wd# = 35/16 staff_space#;
340 ht# = 18/17 staff_space#;
341 darkness = 1.20 stafflinethickness;
343 set_char_box(wd#/2, wd#/2, ht#/2, ht#/2);
348 ball_nib_thick = 2.7 darkness;
349 ball_diam = ball_nib_thick + (h - ball_nib_thick) / 10;
360 penpos1(1.1 thick, thick_nibangle);
361 penpos2(thick, thick_nibangle);
363 penpos4(ball_nib_thick, -90);
366 swoosh := z1l{curl 0} .. z2l .. z3l{up} .. {left}z4l
367 -- z4r .. z3r{down} .. z2r{left} ;
368 fill swoosh .. (swoosh scaled -1) .. cycle;
371 y5r = y4l - ball_diam /2;
374 penpos5(1.6 ball_diam/2, 10);
375 penpos6(ball_diam/2, 150);
377 ploop := z4l{left} .. z5l .. z6l -- cycle;
379 fill ploop scaled -1;
384 fet_beginchar("Reverse turn","reverseturn","reverseturn")
386 currentpicture := currentpicture yscaled -1;
392 fet_beginchar("Turn","turn","turn")
402 % Inspired by a (by now) PD edition of Durand & C'ie edition of
403 % Saint-Saens' Celloconcerto no. 1
405 % FIXME take out hardcoded vars.
406 % FIXME the two loops on the `t' should be smoother (and the left one bigger).
407 % FIXME generic macros for serifs: top of the t and bottom of r
411 fet_beginchar("Trill (`tr')","trill","trill")
413 save start_nib_angle, ascender_extra, ex, hair_thick, fatness,
414 slant_angle, slant, t_fatness, r_fatness, kerning, t_overshoot,
415 uitschieter, bulb_size;
419 ascender_extra# = 1/2 ex#;
420 ascender# = ascender_extra# + ex#;
421 ex# = 1.4 staff_space#;
423 start_nib_angle = 20;
425 define_pixels(ex, ascender_extra, ascender, kerning);
427 t_overshoot = 0.03 ex;
429 t_fatness = 0.78 fatness;
430 t_width = 1.9 t_fatness;
431 r_fatness = 0.78 fatness;
432 uitschieter = 0.48 ex;
433 hair_thick = blot_diameter;
434 r_flare = 0.45 r_fatness;
435 r_width = 2 r_fatness + 0.25 kerning;
440 local_copy(transform)(currenttransform);
441 currenttransform := currenttransform slanted slant shifted (- staff_space, 0) ;
445 % try to position in such a way that the center is the visual
448 x1l = 0.2 staff_space;
449 x1r - x1l = t_fatness;
450 penpos1(start_nib_wid, start_nib_angle);
453 penpos2(start_nib_wid, start_nib_angle);
455 z3l = (x2l + 0.5 t_width, - t_overshoot);
457 z4l = (x2l + t_width, 0.23 ex);
458 penpos4(whatever, 200);
459 x4l - x4r = hair_thick;
461 x3r = 0.5 [x4r, x2r];
462 % 1.7 [x3l, x3r] = x4r;
463 y3r - y3l = 0.6 t_fatness;
467 path t_p, krul_p, r_p;
469 z5 = (x2l + t_fatness/2, 2/3 ex);
470 % penpos5(hair_thick, );
472 t_p := z1r{dir (angle(z1l-z1r) + 30)} .. z1l{-dir (angle(z1r-z1l) - 45)}
474 .. tension (1 + .5 slant)
477 .. z4l{up} -- z4r{down}
479 .. tension (1.5 + .7 slant)
480 .. z2r{up} .. z1r -- cycle;
485 pickup pencircle scaled hair_thick;
487 lft x6 = x2l - uitschieter;
488 y6 = y5 ; % - 1/20 ex;
490 z7 = z5 + whatever*dir krul_ang;
493 x7 = 5/10 kerning + x5;
495 penpos7(hair_thick, up_angle + 90);
500 penpos9(r_fatness, 0);
503 y10 = -0.3 stafflinethickness;
504 penpos10(r_fatness, 0);
512 r_p := z7l{z7-z5} .. z9l{down} --- simple_serif (z10l, z10r, -30)
514 .. z7r{z5-z7} -- cycle;
517 set_char_box(.85 staff_space# , .85 staff_space#, 0,ascender#);
520 penpos11(1/4 r_fatness, -4);
523 z13l = (x9l + r_width, y11 - stafflinethickness );
524 penpos13(r_flare, 180);
526 z15 = z13r - (bulb_size * r_fatness,0);
527 z14 = 0.5 [z13l, z15] - (0,bulb_size* r_fatness);
528 z16 = 0.5 [z13l, z15] + (0,bulb_size* r_fatness);
531 fill z11r{up} .. tension 0.94 .. z13r{down} -- z15{down}
532 .. tension 1.0 .. z13l{up}
533 .. z11l{down} -- cycle;
535 fill z15{up} .. tension 1.06 .. z13l{down} .. z14 .. cycle;
539 penlabels(range 1 thru 15);
545 save radius, thickness, wall;
547 radius# := .5 staff_space#;
549 define_pixels(radius);
550 set_char_box(radius#, radius#, radius#, 2/3 staff_space#);
552 thickness := 1.5 stafflinethickness;
553 pickup pencircle scaled thickness;
563 draw z1{down} .. z2{down} .. z3{left};
564 addto currentpicture also currentpicture xscaled -1;
569 fet_beginchar("left heel", "upedalheel", "upedalheel")
574 fet_beginchar("right heel", "dpedalheel", "dpedalheel")
582 thickness := 1.5 stafflinethickness;
583 ht# := 1.5 staff_space#;
585 define_pixels(ht,wd);
588 set_char_box(wd#, wd#, 0, ht#);
589 draw_vee (wd, ht, thickness);
592 fet_beginchar("left toe", "upedaltoe", "upedaltoe")
596 fet_beginchar("right toe", "dpedaltoe", "dpedaltoe")
601 fet_beginchar("Flageolet", "flageolet", "flageolet")
602 save height,width,thickness;
603 height#=4/15 staffsize#;
605 thickness#=blot_diameter#;
606 define_pixels(height,width,thickness);
607 set_char_box(width#/2,width#/2,height#/2,height#/2);
609 pickup pencircle scaled thickness;
613 rt x4 - lft x2 =width;
620 draw z1..z2..z3..z4..cycle;
623 fet_beginchar("Segno", "segno", "segno")
624 save thin, thick, ball_diam, darkness, pointheight;
625 save wd, ht, thick_nibangle, ball_nib_thick;
629 ht# = 3 staff_space#;
630 wd# = 2 staff_space#;
631 darkness = 1.20 stafflinethickness;
633 set_char_box(wd#/2, wd#/2, ht#/2, ht#/2);
638 ball_nib_thick = 2.7 darkness;
639 ball_diam = ball_nib_thick + (w - ball_nib_thick) / 10;
640 pointheight = 2 stafflinethickness;
650 penpos1(thick, 2 thick_nibangle);
651 penpos2(thick, thick_nibangle);
653 penpos4(ball_nib_thick, 180-thick_nibangle);
656 swoosh := z1l{curl 0} .. z2l .. z3l{right} .. {down}z4l
657 -- z4r .. z3r{left} .. z2r{down} ;
658 fill swoosh .. (swoosh scaled -1) .. cycle;
662 x5r = x4l - ball_diam /2;
665 penpos5(1.6 ball_diam/2, 100);
666 penpos6(ball_diam/2, 240);
668 ploop := z4l{down} .. z5l .. z6l -- cycle;
670 fill ploop scaled -1;
677 filldraw z7l--z8l{right}--z8r{down}--z7r{right}--cycle;
678 pickup pencircle scaled 2 thin;
679 draw (-x2r,pointheight);
680 draw (x2r,-pointheight);
683 fet_beginchar("Coda", "coda", "coda")
684 save thin, thick, codawidth, codaheight;
685 thin# = 1.2 stafflinethickness#;
686 thick# = 3.5 stafflinethickness#;
687 codawidth# = 2/3 staff_space#;
688 codaheight# = 1 staff_space#;
689 define_pixels(thin, thick, codawidth, codaheight);
691 set_char_box(codawidth#+thick#, codawidth#+thick#,
692 codaheight#+thick#, codaheight#+thick#);
705 halfcoda := z1l{up} .. z2l{right} .. z3l{down} --
706 z3r{up} .. z2r{left} .. z1r{down} .. cycle;
708 fill (halfcoda scaled -1);
710 draw_gridline((0,-h),(0,h),thin);
711 draw_gridline((-w,0),(w,0),thin);
716 save alpha, thick, thin, ht;
718 thin# = 1.2 stafflinethickness#;
719 thick# = 3 stafflinethickness#;
720 ht# = .6staff_space#;
721 define_pixels(thin, thick,ht);
722 set_char_box(0, .5staff_space#, ht#, ht#);
724 penpos1(thick, alpha);
725 penpos2(thick, alpha+90);
726 penpos3(thin, 180-alpha);
727 penpos4(thin, 90-alpha);
734 fill z1l{dir (alpha+90)} .. z2r{dir alpha} .. z1r{dir (alpha-90)} ..
735 z3l{dir (270-alpha)} .. z4l{dir (alpha+180)} ..
736 z3r{dir (90-alpha)} .. cycle;
739 fet_beginchar("Right Comma","rcomma","rcomma");
743 fet_beginchar("Left Comma","lcomma","lcomma");
748 thick#:=1/24designsize;
749 define_blacker_pixels(thick);
751 rthin:=1/8*staff_space;
752 rthick:=2thick+rthin;
757 save ne,nw,se,sw; pair ne,nw,se,sw;
760 se=dir alpha; nw=dir (alpha+180);
761 ne=dir (alpha+90); sw=dir (alpha-90);
762 penpos1(rthin,alpha+90);
763 penpos2(5/4rthick,alpha);
764 penpos4(5/4rthick,alpha);
765 penpos5(rthin,alpha+90);
766 penpos3(3/4rthick,alpha);
768 z1=(width/2, height) - overshoot*se;
769 z2=2[z4,(width/2,height/2)];
774 z5=2[z1,(width/2,height/2)];
776 z7=z4l+1/2rthin*sw+1/2rthin*se;
777 z8=2[z6,(width/2,height/2)];
778 z9=2[z7,(width/2,height/2)];
780 fill z1l{se}..{se}z6..z3l..z7{se}..{se}z5l..z5r{nw}..{nw}z8..z3r..z9{nw}..{nw}z1r.. cycle;
781 penlabels(1,2,3,4,5,6,7,8,9);
784 fet_beginchar("Arpeggio","arpeggio","arpeggio");
785 %draw_staff (-2, 2, 0.0);
786 save height, overshoot, width;
787 height# = staff_space#;
789 overshoot# = 0.25 staff_space#;
790 define_pixels (height,overshoot,width);
791 set_char_box(0, width#, 0, height#);
795 % Extendable Trill symbol.
797 % Rename me to Trill, rename Trill to Tr?
798 fet_beginchar("Trill-element","trill-element","trillelement");
799 save height, overshoot;
800 height# = staff_space#;
802 overshoot# = 0.25 staff_space#;
803 define_pixels (height,overshoot,width);
804 set_char_box(0, height#, 0, width#);
806 currentpicture := currentpicture shifted -(width/2, height/2);
807 currentpicture := currentpicture rotated 90;
808 currentpicture := currentpicture shifted (height/2, width/2);
814 % Arpeggio arrow by Chris Jackson <chris@fluffhouse.org.uk>
817 def draw_arpeggio_arrow =
818 save thinness, height, width, overshoot, se, sw, ne, nw, alpha;
820 height# = staff_space#;
822 overshoot# = 0.25 staff_space#;
823 define_pixels (height,overshoot,width);
824 set_char_box(0, width#, 0, height#);
826 nw = dir (alpha+180);
827 sw = dir (alpha-90); se = dir alpha;
829 penpos1(rthin, alpha+90);
830 penpos2(5/4 rthick, alpha);
831 penpos3(5/4 rthick, 0);
833 z1 = (width/2, height) - overshoot*se; % numbering is consistent with the arpeggio symbol
834 z2 = 2[z4,(width/2,height/2)];
835 z3 = (0.5 width, 0.5 height);
836 z4 = (0.25 staff_space, rthin);
837 z6 = z2l + 1/2rthin*sw;
838 z9 = (width/2, height) + overshoot*se;
839 fill z1l {se}..{se} z6 .. z3l .. z3r.. z9{nw} ..{nw} z1r.. cycle;
841 bot z10 = ( 0.5w, 0 );
842 lft z11 = (-0.3w, 0.8h);
843 rt z12 = ( 1.3w, 0.8h);
844 pickup pencircle scaled 0.5 rthin;
845 filldraw z3 -- z12 {dir -130} .. {dir -110} z10 {dir 110} .. {dir 130} z11 -- cycle;
848 fet_beginchar("Arpeggio arrow down", "arpeggio-arrow--1", "arpeggioarrowdown");
853 fet_beginchar("Arpeggio arrow up", "arpeggio-arrow-1", "arpeggioarrowup");
855 currentpicture := currentpicture scaled -1 shifted (0.8staff_space, staff_space);
866 fet_endgroup("scripts");