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 thick# = 1.4 stafflinethickness#;
169 radius# = 1.4 stafflinethickness#;
170 define_whole_pixels(thick,radius);
172 set_char_box(.6 staff_space#, .6 staff_space#, thick#/2,.5 staff_space#+ radius#);
173 draw_rounded_block((-b,-thick/2),(w,thick/2),thick);
175 pickup pencircle scaled 2 radius;
180 fet_beginchar("portato/tenuto with staccato", "uportato",
186 fet_beginchar("portato/tenuto with staccato", "dportato",
194 save fat_factor, thinness;
195 set_char_box(staff_space#/2, staff_space#/2, 0, 1.1 staff_space#);
198 thinness = stafflinethickness;
200 pickup pencircle scaled thinness;
208 z1 - z4 = whatever * (charwd, -charht);
209 z4 = fat_factor [z3, z5];
211 filldraw z1 -- z2 -- z3 -- z4 -- cycle;
215 fet_beginchar("marcato up", "umarcato", "umarcato")
222 % The down marcato char (not very much used).
223 % Contrary to what some MF/TeX `gurus' believe
224 % it is *point*-symmetric with the "up" version
226 fet_beginchar("marcato down", "dmarcato", "dmarcato")
233 % used in french horn music todo
235 % TODO: too light at 20pt
236 fet_beginchar("open (unstopped)", "open", "ouvert")
237 save thin, height, width, thick;
238 height# = 5/4 width#;
239 height# = staff_space#;
240 thin = 1.2 stafflinethickness;
242 set_char_box(width#/2, width#/2, height#/2, height#/2);
249 penstroke z1e{up} .. {left}z2e;
250 addto currentpicture also currentpicture xscaled -1;
251 addto currentpicture also currentpicture yscaled -1;
255 fet_beginchar("plus (stopped)", "stopped", "plusstop")
257 thick = 2 stafflinethickness;
258 size# = 1.1 staff_space#;
260 set_char_box(size#/2, size#/2, size#/2, size#/2);
261 draw_rounded_block((-b,-thick/2),(w,thick/2),thick);
262 addto currentpicture also currentpicture rotated 90;
267 % A vee with tapered insides to prevent visual blotting
270 def draw_vee (expr width, height, thickness) =
276 pickup pencircle scaled thickness;
284 penpos3(thickness, 0);
285 penpos4(thickness * diminish, 0);
293 penstroke z3e .. z4e;
294 addto currentpicture also currentpicture xscaled -1;
298 fet_beginchar("Upbow", "upbow", "upbow")
299 save ht, wd, thick, diminish;
301 thick = 1.4 stafflinethickness;
302 wd# = 1.3 staff_space#;
304 set_char_box(wd#/2, wd#/2, 0, ht#);
305 draw_vee (wd, ht, thick);
309 fet_beginchar("Downbow", "downbow", "downbow")
310 save stemthick, beamheight;
314 wd# = 1.5 staff_space#;
315 stemthick = 1.2 stafflinethickness;
316 set_char_box(wd#/2, wd#/2, 0, 4/3 staff_space#);
320 draw_rounded_block((-b,h-beamheight),(w,h),blot_diameter);
321 draw_rounded_block((-b,-d),(-b+stemthick,h-stemthick),stemthick);
322 addto currentpicture also currentpicture xscaled -1;
326 % Inspired by a computer-set version of Auf dem Strom by Baerenreiter.
330 save thin, thick, ball_diam, darkness;
331 save wd, ht, thick_nibangle, ball_nib_thick;
335 wd# = 35/16 staff_space#;
336 ht# = 18/17 staff_space#;
337 darkness = 1.20 stafflinethickness;
339 set_char_box(wd#/2, wd#/2, ht#/2, ht#/2);
344 ball_nib_thick = 2.7 darkness;
345 ball_diam = ball_nib_thick + (h - ball_nib_thick) / 10;
356 penpos1(1.1 thick, thick_nibangle);
357 penpos2(thick, thick_nibangle);
359 penpos4(ball_nib_thick, -90);
362 swoosh := z1l{curl 0} .. z2l .. z3l{up} .. {left}z4l
363 -- z4r .. z3r{down} .. z2r{left} ;
364 fill swoosh .. (swoosh scaled -1) .. cycle;
367 y5r = y4l - ball_diam /2;
370 penpos5(1.6 ball_diam/2, 10);
371 penpos6(ball_diam/2, 150);
373 ploop := z4l{left} .. z5l .. z6l -- cycle;
375 fill ploop scaled -1;
380 fet_beginchar("Reverse turn","reverseturn","reverseturn")
382 currentpicture := currentpicture yscaled -1;
388 fet_beginchar("Turn","turn","turn")
398 % Inspired by a (by now) PD edition of Durand & C'ie edition of
399 % Saint-Saens' Celloconcerto no. 1
401 % FIXME take out hardcoded vars.
402 % FIXME the two loops on the `t' should be smoother (and the left one bigger).
403 % FIXME generic macros for serifs: top of the t and bottom of r
407 fet_beginchar("Trill (`tr')","trill","trill")
409 save start_nib_angle, ascender_extra, ex, hair_thick, fatness,
410 slant_angle, slant, t_fatness, r_fatness, kerning, t_overshoot,
411 uitschieter, bulb_size;
415 ascender_extra# = 1/2 ex#;
416 ascender# = ascender_extra# + ex#;
417 ex# = 1.4 staff_space#;
419 start_nib_angle = 20;
421 define_pixels(ex, ascender_extra, ascender, kerning);
423 t_overshoot = 0.03 ex;
425 t_fatness = 0.78 fatness;
426 t_width = 1.9 t_fatness;
427 r_fatness = 0.78 fatness;
428 uitschieter = 0.48 ex;
429 hair_thick = blot_diameter;
430 r_flare = 0.45 r_fatness;
431 r_width = 2 r_fatness + 0.25 kerning;
436 local_copy(transform)(currenttransform);
437 currenttransform := currenttransform slanted slant shifted (- staff_space, 0) ;
441 % try to position in such a way that the center is the visual
444 x1l = 0.2 staff_space;
445 x1r - x1l = t_fatness;
446 penpos1(start_nib_wid, start_nib_angle);
449 penpos2(start_nib_wid, start_nib_angle);
451 z3l = (x2l + 0.5 t_width, - t_overshoot);
453 z4l = (x2l + t_width, 0.23 ex);
454 penpos4(whatever, 200);
455 x4l - x4r = hair_thick;
457 x3r = 0.5 [x4r, x2r];
458 % 1.7 [x3l, x3r] = x4r;
459 y3r - y3l = 0.6 t_fatness;
463 path t_p, krul_p, r_p;
465 z5 = (x2l + t_fatness/2, 2/3 ex);
466 % penpos5(hair_thick, );
468 t_p := z1r{dir (angle(z1l-z1r) + 30)} .. z1l{-dir (angle(z1r-z1l) - 45)}
470 .. tension (1 + .5 slant)
473 .. z4l{up} -- z4r{down}
475 .. tension (1.5 + .7 slant)
476 .. z2r{up} .. z1r -- cycle;
481 pickup pencircle scaled hair_thick;
483 lft x6 = x2l - uitschieter;
484 y6 = y5 ; % - 1/20 ex;
486 z7 = z5 + whatever*dir krul_ang;
489 x7 = 5/10 kerning + x5;
491 penpos7(hair_thick, up_angle + 90);
496 penpos9(r_fatness, 0);
499 y10 = -0.3 stafflinethickness;
500 penpos10(r_fatness, 0);
508 r_p := z7l{z7-z5} .. z9l{down} --- simple_serif (z10l, z10r, -30)
510 .. z7r{z5-z7} -- cycle;
513 set_char_box(.85 staff_space# , .85 staff_space#, 0,ascender#);
516 penpos11(1/4 r_fatness, -4);
519 z13l = (x9l + r_width, y11 - stafflinethickness );
520 penpos13(r_flare, 180);
522 z15 = z13r - (bulb_size * r_fatness,0);
523 z14 = 0.5 [z13l, z15] - (0,bulb_size* r_fatness);
524 z16 = 0.5 [z13l, z15] + (0,bulb_size* r_fatness);
527 fill z11r{up} .. tension 0.94 .. z13r{down} -- z15{down}
528 .. tension 1.0 .. z13l{up}
529 .. z11l{down} -- cycle;
531 fill z15{up} .. tension 1.06 .. z13l{down} .. z14 .. cycle;
535 penlabels(range 1 thru 15);
541 save radius, thickness, wall;
543 radius# := .5 staff_space#;
545 define_pixels(radius);
546 set_char_box(radius#, radius#, radius#, 2/3 staff_space#);
548 thickness := 1.5 stafflinethickness;
549 pickup pencircle scaled thickness;
559 draw z1{down} .. z2{down} .. z3{left};
560 addto currentpicture also currentpicture xscaled -1;
565 fet_beginchar("left heel", "upedalheel", "upedalheel")
570 fet_beginchar("right heel", "dpedalheel", "dpedalheel")
578 thickness := 1.5 stafflinethickness;
579 ht# := 1.5 staff_space#;
581 define_pixels(ht,wd);
584 set_char_box(wd#, wd#, 0, ht#);
585 draw_vee (wd, ht, thickness);
588 fet_beginchar("left toe", "upedaltoe", "upedaltoe")
592 fet_beginchar("right toe", "dpedaltoe", "dpedaltoe")
597 fet_beginchar("Flageolet", "flageolet", "flageolet")
598 save height,width,thickness;
599 height#=4/15 staffsize#;
601 thickness#=blot_diameter#;
602 define_pixels(height,width,thickness);
603 set_char_box(width#/2,width#/2,height#/2,height#/2);
605 pickup pencircle scaled thickness;
609 rt x4 - lft x2 =width;
616 draw z1..z2..z3..z4..cycle;
619 fet_beginchar("Segno", "segno", "segno")
620 save thin, thick, ball_diam, darkness, pointheight;
621 save wd, ht, thick_nibangle, ball_nib_thick;
625 ht# = 3 staff_space#;
626 wd# = 2 staff_space#;
627 darkness = 1.20 stafflinethickness;
629 set_char_box(wd#/2, wd#/2, ht#/2, ht#/2);
634 ball_nib_thick = 2.7 darkness;
635 ball_diam = ball_nib_thick + (w - ball_nib_thick) / 10;
636 pointheight = 2 stafflinethickness;
646 penpos1(thick, 2 thick_nibangle);
647 penpos2(thick, thick_nibangle);
649 penpos4(ball_nib_thick, 180-thick_nibangle);
652 swoosh := z1l{curl 0} .. z2l .. z3l{right} .. {down}z4l
653 -- z4r .. z3r{left} .. z2r{down} ;
654 fill swoosh .. (swoosh scaled -1) .. cycle;
658 x5r = x4l - ball_diam /2;
661 penpos5(1.6 ball_diam/2, 100);
662 penpos6(ball_diam/2, 240);
664 ploop := z4l{down} .. z5l .. z6l -- cycle;
666 fill ploop scaled -1;
673 filldraw z7l--z8l{right}--z8r{down}--z7r{right}--cycle;
674 pickup pencircle scaled 2 thin;
675 draw (-x2r,pointheight);
676 draw (x2r,-pointheight);
679 fet_beginchar("Coda", "coda", "coda")
680 save thin, thick, codawidth, codaheight;
681 thin# = 1.2 stafflinethickness#;
682 thick# = 3.5 stafflinethickness#;
683 codawidth# = 2/3 staff_space#;
684 codaheight# = 1 staff_space#;
685 define_pixels(thin, thick, codawidth, codaheight);
687 set_char_box(codawidth#+thick#, codawidth#+thick#,
688 codaheight#+thick#, codaheight#+thick#);
701 halfcoda := z1l{up} .. z2l{right} .. z3l{down} --
702 z3r{up} .. z2r{left} .. z1r{down} .. cycle;
704 fill (halfcoda scaled -1);
706 draw_gridline((0,-h),(0,h),thin);
707 draw_gridline((-w,0),(w,0),thin);
712 save alpha, thick, thin, ht;
714 thin# = 1.2 stafflinethickness#;
715 thick# = 3 stafflinethickness#;
716 ht# = .6staff_space#;
717 define_pixels(thin, thick,ht);
718 set_char_box(0, .5staff_space#, ht#, ht#);
720 penpos1(thick, alpha);
721 penpos2(thick, alpha+90);
722 penpos3(thin, 180-alpha);
723 penpos4(thin, 90-alpha);
730 fill z1l{dir (alpha+90)} .. z2r{dir alpha} .. z1r{dir (alpha-90)} ..
731 z3l{dir (270-alpha)} .. z4l{dir (alpha+180)} ..
732 z3r{dir (90-alpha)} .. cycle;
735 fet_beginchar("Right Comma","rcomma","rcomma");
739 fet_beginchar("Left Comma","lcomma","lcomma");
744 thick#:=1/24designsize;
745 define_blacker_pixels(thick);
747 rthin:=1/8*staff_space;
748 rthick:=2thick+rthin;
753 save ne,nw,se,sw; pair ne,nw,se,sw;
756 se=dir alpha; nw=dir (alpha+180);
757 ne=dir (alpha+90); sw=dir (alpha-90);
758 penpos1(rthin,alpha+90);
759 penpos2(5/4rthick,alpha);
760 penpos4(5/4rthick,alpha);
761 penpos5(rthin,alpha+90);
762 penpos3(3/4rthick,alpha);
764 z1=(width/2, height) - overshoot*se;
765 z2=2[z4,(width/2,height/2)];
770 z5=2[z1,(width/2,height/2)];
772 z7=z4l+1/2rthin*sw+1/2rthin*se;
773 z8=2[z6,(width/2,height/2)];
774 z9=2[z7,(width/2,height/2)];
776 fill z1l{se}..{se}z6..z3l..z7{se}..{se}z5l..z5r{nw}..{nw}z8..z3r..z9{nw}..{nw}z1r.. cycle;
777 penlabels(1,2,3,4,5,6,7,8,9);
780 fet_beginchar("Arpeggio","arpeggio","arpeggio");
781 %draw_staff (-2, 2, 0.0);
782 save height, overshoot, width;
783 height# = staff_space#;
785 overshoot# = 0.25 staff_space#;
786 define_pixels (height,overshoot,width);
787 set_char_box(0, width#, 0, height#);
791 % Extendable Trill symbol.
793 % Rename me to Trill, rename Trill to Tr?
794 fet_beginchar("Trill-element","trill-element","trillelement");
795 save height, overshoot;
796 height# = staff_space#;
798 overshoot# = 0.25 staff_space#;
799 define_pixels (height,overshoot,width);
800 set_char_box(0, height#, 0, width#);
802 currentpicture := currentpicture shifted -(width/2, height/2);
803 currentpicture := currentpicture rotated 90;
804 currentpicture := currentpicture shifted (height/2, width/2);
810 % Arpeggio arrow by Chris Jackson <chris@fluffhouse.org.uk>
813 def draw_arpeggio_arrow =
814 save thinness, height, width, overshoot, se, sw, ne, nw, alpha;
816 height# = staff_space#;
818 overshoot# = 0.25 staff_space#;
819 define_pixels (height,overshoot,width);
820 set_char_box(0, width#, 0, height#);
822 nw = dir (alpha+180);
823 sw = dir (alpha-90); se = dir alpha;
825 penpos1(rthin, alpha+90);
826 penpos2(5/4 rthick, alpha);
827 penpos3(5/4 rthick, 0);
829 z1 = (width/2, height) - overshoot*se; % numbering is consistent with the arpeggio symbol
830 z2 = 2[z4,(width/2,height/2)];
831 z3 = (0.5 width, 0.5 height);
832 z4 = (0.25 staff_space, rthin);
833 z6 = z2l + 1/2rthin*sw;
834 z9 = (width/2, height) + overshoot*se;
835 fill z1l {se}..{se} z6 .. z3l .. z3r.. z9{nw} ..{nw} z1r.. cycle;
837 bot z10 = ( 0.5w, 0 );
838 lft z11 = (-0.3w, 0.8h);
839 rt z12 = ( 1.3w, 0.8h);
840 pickup pencircle scaled 0.5 rthin;
841 filldraw z3 -- z12 {dir -130} .. {dir -110} z10 {dir 110} .. {dir 130} z11 -- cycle;
844 fet_beginchar("Arpeggio arrow down", "arpeggio-arrow--1", "arpeggioarrowdown");
849 fet_beginchar("Arpeggio arrow up", "arpeggio-arrow-1", "arpeggioarrowup");
851 currentpicture := currentpicture scaled -1 shifted (0.8staff_space, staff_space);
862 fet_endgroup("scripts");