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--2004 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# = 1.5linethickness#;
23 crook_fatness# = 0.25 staff_space# + 1.5 linethickness#;
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")
60 def draw_short_fermata =
61 save fat_factor, thinness, dot_radius;
62 set_char_box(staff_space#, staff_space#, 0, 2.2 staff_space#);
64 dot_radius# = 0.133 staff_space# + 1.33 linethickness#;
65 define_pixels(dot_radius)
68 thinness = 1.5 linethickness;
70 pickup pencircle scaled thinness;
78 z1 - z4 = whatever * (charwd, -charht);
79 z4 = fat_factor [z3, z5];
81 filldraw z1 -- z2 -- z3 -- z4 -- cycle;
84 pickup pencircle scaled 2dot_radius;
90 fet_beginchar("short fermata up", "ushortfermata", "ushortfermata")
94 fet_beginchar("short fermata down", "dshortfermata", "dshortfermata")
99 def draw_long_fermata =
100 save stemthick, beamheight, dot_radius, wd;
101 define_pixels(wd, dot_radius)
103 wd# = 2.5 staff_space#;
104 stemthick = 1.5 linethickness;
105 beamheight = 0.3 staff_space+ linethickness;
106 dot_radius# = 0.133 staff_space#+ + 1.333 *linethickness#;
107 set_char_box(wd#/2, wd#/2, 0, 3/2 staff_space#);
109 draw_rounded_block((-b, h-beamheight), (w, h), blot_diameter);
110 draw_rounded_block((-b, -d),(-b+stemthick, h-stemthick), stemthick);
111 addto currentpicture also currentpicture xscaled -1;
113 pickup pencircle scaled 2dot_radius;
119 fet_beginchar("long fermata up", "ulongfermata", "ulongfermata")
123 fet_beginchar("long fermata down", "dlongfermata", "dlongfermata")
128 def draw_very_long_fermata =
129 save ibeamheight, obeamheight;
130 save ihwd, ohwd, iht, oht; % inner/outer half_width/height
131 save stemthick, dot_radius;
132 define_pixels(ihwd, ohwd, iht, oht)
134 ihwd# = 1.0 staff_space#;
135 ohwd# = 1.5 staff_space#;
136 iht# = 0.9 staff_space#;
137 oht# = 1.6 staff_space#;
139 stemthick = 1.5 linethickness;
140 ibeamheight = 0.3 staff_space;
141 obeamheight = 0.5 staff_space;
142 dot_radius = ((iht - ibeamheight) * 4/10) ;
144 set_char_box(ohwd#, ohwd#, 0, oht#);
146 draw_rounded_block((-ohwd, oht-obeamheight), (ohwd, oht), blot_diameter);
147 draw_rounded_block((-ohwd, 0),(-ohwd+stemthick, ohwd-stemthick), stemthick);
148 draw_rounded_block((-ihwd, iht-ibeamheight), (ihwd, iht), blot_diameter);
149 draw_rounded_block((-ihwd, 0),(-ihwd+stemthick, ihwd-stemthick), stemthick);
150 addto currentpicture also currentpicture xscaled -1;
152 pickup pencircle scaled 2dot_radius;
158 fet_beginchar("very long fermata up", "uverylongfermata", "uverylongfermata")
159 draw_very_long_fermata;
162 fet_beginchar("very long fermata down", "dverylongfermata", "dverylongfermata")
163 draw_very_long_fermata;
168 % Thumbs are used in cello music.
169 % TODO : thumbs should look like the finger-font and should be placed in
170 % the same way in the score.
173 fet_beginchar("Thumb", "thumb", "thumb")
174 save thin, height, width, thick;
175 height# = 5/4 width#;
176 height# = staff_space#;
177 set_char_box(width#/2, width#/2, height#/2, height#/2);
178 define_pixels (height,width)
180 thin = .6 linethickness + 0.06 staff_space;
181 2 thick + 0.5 (height - 2 thin) = width;
188 penstroke z1e{up} .. {left}z2e;
189 addto currentpicture also currentpicture xscaled -1;
190 addto currentpicture also currentpicture yscaled -1;
195 draw_brush(z3,1.4*thin, z4,0.9*thick);
199 % FIXME: rounded endings
201 % `\accent' is TeX reserved.
202 fet_beginchar("> accent", "sforzato", "sforzatoaccent")
203 set_char_box(.9 staff_space#, .9 staff_space#, .5 staff_space#, .5 staff_space#);
204 save thickness, diminish;
206 thickness = 0.05 staff_space + linethickness;
207 pickup pencircle scaled thickness;
209 % prevent blobs at crossing lines
215 y2 = .25 thickness* diminish;
218 x3 = - linethickness + 0.1 staff_space;
219 z3 = whatever [z1, z4];
221 penpos2(thickness*(2 - diminish)/2 , 90);
222 penpos1(thickness, 90);
223 penpos3(thickness, 90);
226 draw (z1 .. z3) yscaled -1;
228 penstroke z3e .. z2e;
229 penstroke (z3e .. z2e) yscaled -1;
235 fet_beginchar("staccato dot", "staccato", "staccato")
237 radius# = 0.20 * staff_space#;
238 define_whole_pixels(radius);
239 pickup pencircle scaled 2 radius;
241 set_char_box(radius#, radius#, radius#, radius#);
244 def draw_staccatissimo =
246 height# = .8 staff_space#;
247 radius# = linethickness# + .1 staff_space#;
248 define_whole_pixels(radius);
249 define_pixels(height);
251 draw_brush((0,0), linethickness, (0, height),2 radius);
252 set_char_box(radius#,radius#, blot_diameter#/2, height# + radius#);
255 fet_beginchar("staccatissimo/martellato up", "ustaccatissimo",
260 fet_beginchar("staccatissimo/martellato down", "dstaccatissimo", "dstaccatissimo")
265 fet_beginchar("portato/single tenuto", "tenuto", "tenuto")
267 thick# = 1.6 linethickness#;
268 define_whole_pixels(thick);
270 set_char_box(.6 staff_space#, .6 staff_space#, thick#/2,thick#/2);
271 pickup pencircle scaled thick;
272 draw_rounded_block((-b,-thick/2),(w,thick/2),thick);
277 thick# = 1.4 linethickness#;
278 radius# = 1.2 linethickness# + 0.04 staff_space#;
279 define_whole_pixels(thick,radius);
281 set_char_box(.6 staff_space#, .6 staff_space#, thick#/2,.5 staff_space#+ radius#);
282 draw_rounded_block((-b,-thick/2),(w,thick/2),thick);
284 pickup pencircle scaled 2 radius;
289 fet_beginchar("portato/tenuto with staccato", "uportato",
295 fet_beginchar("portato/tenuto with staccato", "dportato",
303 save fat_factor, thinness;
304 set_char_box(staff_space#/2, staff_space#/2, 0, 1.1 staff_space#);
307 thinness = linethickness;
309 pickup pencircle scaled thinness;
317 z1 - z4 = whatever * (charwd, -charht);
318 z4 = fat_factor [z3, z5];
320 filldraw z1 -- z2 -- z3 -- z4 -- cycle;
324 fet_beginchar("marcato up", "umarcato", "umarcato")
331 % The down marcato char (not very much used).
332 % Contrary to what some MF/TeX `gurus' believe
333 % it is *point*-symmetric with the "up" version
335 fet_beginchar("marcato down", "dmarcato", "dmarcato")
342 % used in french horn music todo
344 % TODO: too light at 20pt
345 fet_beginchar("open (unstopped)", "open", "ouvert")
346 save thin, height, width, thick;
347 height# = 5/4 width#;
348 height# = staff_space#;
349 thin = .6 linethickness + 0.06 staff_space;
350 set_char_box(width#/2, width#/2, height#/2, height#/2);
351 define_pixels (width,height);
352 2 thick + 0.6 (height - 2 thin) = width;
359 penstroke z1e{up} .. {left}z2e;
360 addto currentpicture also currentpicture xscaled -1;
361 addto currentpicture also currentpicture yscaled -1;
365 fet_beginchar("plus (stopped)", "stopped", "plusstop")
367 thick = 2 linethickness;
368 size# = 1.1 staff_space#;
370 set_char_box(size#/2, size#/2, size#/2, size#/2);
371 draw_rounded_block((-b,-thick/2),(w,thick/2),thick);
372 addto currentpicture also currentpicture rotated 90;
377 % A vee with tapered insides to prevent visual blotting
380 def draw_vee (expr width, height, thickness) =
386 pickup pencircle scaled thickness;
393 z3 = whatever [z2, z1];
394 y3 = 0.6 [y2, y1] + thickness;
396 penpos3(thickness, 0);
397 penpos4(thickness * diminish, 0);
405 penstroke z3e .. z4e;
406 addto currentpicture also currentpicture xscaled -1;
410 fet_beginchar("Upbow", "upbow", "upbow")
411 save ht, wd, thick, diminish;
413 thick = 1.4 linethickness;
414 wd# = 1.3 staff_space#;
416 set_char_box(wd#/2, wd#/2, 0, ht#);
417 draw_vee (wd, ht, thick);
421 fet_beginchar("Downbow", "downbow", "downbow")
422 save stemthick, beamheight;
426 wd# = 1.5 staff_space#;
427 stemthick = 1.2 linethickness;
428 set_char_box(wd#/2, wd#/2, 0, 4/3 staff_space#);
432 draw_rounded_block((-b,h-beamheight),(w,h),blot_diameter);
433 draw_rounded_block((-b,-d),(-b+stemthick,h-stemthick),stemthick);
434 addto currentpicture also currentpicture xscaled -1;
438 % Inspired by a computer-set version of Auf dem Strom by Baerenreiter.
442 save thin, thick, ball_diam, darkness;
443 save wd, ht, thick_nibangle, ball_nib_thick;
447 wd# = 35/16 staff_space#;
448 ht# = 18/17 staff_space#;
449 darkness = 0.3 linethickness + 0.09 staff_space;
451 set_char_box(wd#/2, wd#/2, ht#/2, ht#/2);
456 ball_nib_thick = 2.7 darkness;
457 ball_diam = ball_nib_thick + (h - ball_nib_thick) / 10;
468 penpos1(1.1 thick, thick_nibangle);
469 penpos2(thick, thick_nibangle);
471 penpos4(ball_nib_thick, -90);
474 swoosh := z1l{curl 0} .. z2l .. z3l{up} .. {left}z4l
475 -- z4r .. z3r{down} .. z2r{left} ;
476 fill swoosh .. (swoosh scaled -1) .. cycle;
479 y5r = y4l - ball_diam /2;
482 penpos5(1.6 ball_diam/2, 10);
483 penpos6(ball_diam/2, 150);
485 ploop := z4l{left} .. z5l .. z6l -- cycle;
487 fill ploop scaled -1;
492 fet_beginchar("Reverse turn","reverseturn","reverseturn")
494 currentpicture := currentpicture yscaled -1;
498 fet_beginchar("Turn","turn","turn")
500 penlabels(1,2,3,4,5,6,7);
506 % Inspired by a (by now) PD edition of Durand & C'ie edition of
507 % Saint-Saens' Celloconcerto no. 1
509 % FIXME take out hardcoded vars.
510 % FIXME the two loops on the `t' should be smoother (and the left one bigger).
511 % FIXME generic macros for serifs: top of the t and bottom of r
515 fet_beginchar("Trill (`tr')","trill","trill")
517 save start_nib_angle, ascender_extra, ex, hair_thick, fatness,
518 slant_angle, slant, t_fatness, r_fatness, kerning, t_overshoot,
519 uitschieter, bulb_size;
523 ascender_extra# = 1/2 ex#;
524 ascender# = ascender_extra# + ex#;
525 ex# = 1.4 staff_space#;
527 start_nib_angle = 20;
529 define_pixels(ex, ascender_extra, ascender, kerning);
531 t_overshoot = 0.03 ex;
533 t_fatness = 0.78 fatness;
534 t_width = 1.9 t_fatness;
535 r_fatness = 0.78 fatness;
536 uitschieter = 0.48 ex;
537 hair_thick = linethickness;
538 r_flare = .5 hair_thick + 0.25 r_fatness;
539 r_width = 2 r_fatness + 0.25 kerning;
544 local_copy(transform)(currenttransform);
545 currenttransform := currenttransform slanted slant shifted (- staff_space, 0) ;
549 % try to position in such a way that the center is the visual
552 x1l = 0.2 staff_space;
553 x1r - x1l = t_fatness;
554 penpos1(start_nib_wid, start_nib_angle);
557 penpos2(start_nib_wid, start_nib_angle);
559 z3l = (x2l + 0.5 t_width, - t_overshoot);
561 z4l = (x2l + t_width, 0.23 ex);
562 penpos4(whatever, 200);
563 x4l - x4r = hair_thick;
565 x3r = 0.5 [x4r, x2r];
566 % 1.7 [x3l, x3r] = x4r;
567 y3r - y3l = 0.6 t_fatness;
571 path t_p, krul_p, r_p;
573 z5 = (x2l + t_fatness/2, 2/3 ex);
574 % penpos5(hair_thick, );
576 t_p := z1r{dir (angle(z1l-z1r) + 30)} .. z1l{-dir (angle(z1r-z1l) - 45)}
578 .. tension (1 + .5 slant)
581 .. z4l{up} -- z4r{down}
583 .. tension (1.5 + .7 slant)
584 .. z2r{up} .. z1r -- cycle;
589 pickup pencircle scaled hair_thick;
591 lft x6 = x2l - uitschieter;
592 y6 = y5 ; % - 1/20 ex;
594 z7 = z5 + whatever*dir krul_ang;
597 x7 = 5/10 kerning + x5;
599 penpos7(hair_thick, up_angle + 90);
604 penpos9(r_fatness, 0);
607 y10 = -0.3 linethickness;
608 penpos10(r_fatness, 0);
616 r_p := z7l{z7-z5} .. z9l{down} --- simple_serif (z10l, z10r, -30)
618 .. z7r{z5-z7} -- cycle;
621 set_char_box(.85 staff_space# , .85 staff_space#, 0,ascender#);
624 penpos11(hair_thick, -4);
627 z13l = (x9l + r_width, y11 - linethickness );
628 penpos13(r_flare, 180);
630 z15 = z13r - ( bulb_size * r_fatness,0);
631 z14 = 0.5 [z13l, z15] - (0,bulb_size* r_fatness);
632 z16 = 0.5 [z13l, z15] + (0,bulb_size* r_fatness);
635 fill z11r{up} .. tension 0.94 .. z13r{down} -- z15{down}
636 .. tension 1.0 .. z13l{up}
637 .. z11l{down} -- cycle;
639 fill z15{up} .. tension 1.06 .. z13l{down} .. z14 .. cycle;
643 penlabels(range 1 thru 15);
649 save radius, thickness, wall;
651 radius# := .5 staff_space#;
653 define_pixels(radius);
654 set_char_box(radius#, radius#, radius#, 2/3 staff_space#);
656 thickness := 1.5 linethickness;
657 pickup pencircle scaled thickness;
667 draw z1{down} .. z2{down} .. z3{left};
668 addto currentpicture also currentpicture xscaled -1;
673 fet_beginchar("left heel", "upedalheel", "upedalheel")
678 fet_beginchar("right heel", "dpedalheel", "dpedalheel")
686 thickness := 1.5 linethickness;
687 ht# := 1.5 staff_space#;
689 define_pixels(ht,wd);
692 set_char_box(wd#, wd#, 0, ht#);
693 draw_vee (wd, ht, thickness);
696 fet_beginchar("left toe", "upedaltoe", "upedaltoe")
700 fet_beginchar("right toe", "dpedaltoe", "dpedaltoe")
705 fet_beginchar("Flageolet", "flageolet", "flageolet")
706 save height,width,thickness;
707 height#=4/15 staffsize#;
709 thickness#=blot_diameter#;
710 define_pixels(height,width,thickness);
711 set_char_box(width#/2,width#/2,height#/2,height#/2);
713 pickup pencircle scaled thickness;
717 rt x4 - lft x2 =width;
724 draw z1..z2..z3..z4..cycle;
729 %TODO: ARGRGHGH code dup.
733 fet_beginchar("Segno", "segno", "segno")
734 save thin, thick, ball_diam, darkness, pointheight;
735 save wd, ht, thick_nibangle, ball_nib_thick;
739 ht# = 3 staff_space#;
740 wd# = 2 staff_space#;
741 darkness = .08 staff_space + 0.4 linethickness;
743 set_char_box(wd#/2, wd#/2, ht#/2, ht#/2);
748 ball_nib_thick = 2.7 darkness;
749 ball_diam = ball_nib_thick + (w - ball_nib_thick) / 10;
750 pointheight = 2 linethickness;
760 penpos1(thick, 2 thick_nibangle);
761 penpos2(thick, thick_nibangle);
763 penpos4(ball_nib_thick, 180-thick_nibangle);
766 swoosh := z1l{curl 0} .. z2l .. z3l{right} .. {down}z4l
767 -- z4r .. z3r{left} .. z2r{down} ;
768 fill swoosh .. (swoosh scaled -1) .. cycle;
772 x5r = x4l - ball_diam /2;
775 penpos5(1.6 ball_diam/2, 100);
776 penpos6(ball_diam/2, 240);
778 ploop := z4l{down} .. z5l .. z6l -- cycle;
780 fill ploop scaled -1;
787 filldraw z7l--z8l{right}--z8r{down}--z7r{right}--cycle;
788 pickup pencircle scaled 2 thin;
789 draw (-x2r,pointheight);
790 draw (x2r,-pointheight);
793 fet_beginchar("Coda", "coda", "coda")
794 save stickout, thin, thick, codawidth, codaheight;
796 stickout# = 0.35 staff_space#;
797 codawidth# = 2/3 staff_space#;
798 codaheight# = 1 staff_space#;
800 set_char_box(codawidth#+stickout#, codawidth#+stickout#,
801 codaheight#+stickout#, codaheight#+stickout#);
803 define_pixels(codawidth, codaheight);
804 thin = 1.2 linethickness;
805 0.1 (codaheight - 2 thin) = (codawidth - 2 thick);
818 halfcoda := z1l{up} .. z2l{right} .. z3l{down} --
819 z3r{up} .. z2r{left} .. z1r{down} .. cycle;
821 fill (halfcoda scaled -1);
823 draw_gridline((0,-h),(0,h),thin);
824 draw_gridline((-w,0),(w,0),thin);
828 fet_beginchar("Varied Coda", "varcoda", "varcoda")
829 save thin, thick, codawidth, codaheight;
830 thin# = 1.2 linethickness#;
831 thick# = 1.0 linethickness# + 0.25 staff_space#;
832 codawidth# = 2/3 staff_space#;
833 codaheight# = 1 staff_space#;
834 define_pixels(thin, thick, codawidth, codaheight);
836 set_char_box(codawidth#+thick#, codawidth#+thick#,
837 codaheight#+thick#, codaheight#+thick#);
843 draw_rounded_block(z1, z2, blot_diameter);
849 draw_rounded_block(z3, z4, blot_diameter);
852 addto currentpicture also currentpicture xscaled -1;
853 addto currentpicture also currentpicture yscaled -1;
855 draw_gridline((0,-h),(0,h),thin);
856 draw_gridline((-w,0),(w,0),thin);
860 save alpha, thick, thin, ht;
862 thin# = 1.2 linethickness#;
863 thick# = 3 linethickness#;
864 ht# = .6staff_space#;
865 define_pixels(thin, thick,ht);
866 set_char_box(0, .5staff_space#, ht#, ht#);
868 penpos1(thick, alpha);
869 penpos2(thick, alpha+90);
870 penpos3(thin, 180-alpha);
871 penpos4(thin, 90-alpha);
878 fill z1l{dir (alpha+90)} .. z2r{dir alpha} .. z1r{dir (alpha-90)} ..
879 z3l{dir (270-alpha)} .. z4l{dir (alpha+180)} ..
880 z3r{dir (90-alpha)} .. cycle;
883 fet_beginchar("Right Comma","rcomma","rcomma");
887 fet_beginchar("Left Comma","lcomma","lcomma");
893 save thick, thin, ht, wd, alpha;
895 thin# = 1.2 linethickness#;
896 thick# = 3 linethickness#;
897 ht# = .6 staff_space#;
898 wd# = .25 staff_space#;
899 define_pixels(thin, thick, ht, alpha);
900 set_char_box(wd#, wd#, ht#, ht#);
903 draw_brush(z1, thin, z2, thick);
906 fet_beginchar("Right Varied Comma","rvarcomma","rvarcomma");
910 fet_beginchar("Left Varied Comma","lvarcomma","lvarcomma");
915 thick#:=1/24designsize;
916 define_blacker_pixels(thick);
918 rthin:= 0.075 *staff_space + 0.5 linethickness;
919 rthick:=2thick+rthin;
924 save ne,nw,se,sw; pair ne,nw,se,sw;
927 se=dir alpha; nw=dir (alpha+180);
928 ne=dir (alpha+90); sw=dir (alpha-90);
929 penpos1(rthin,alpha+90);
930 penpos2(5/4rthick,alpha);
931 penpos4(5/4rthick,alpha);
932 penpos5(rthin,alpha+90);
933 penpos3(3/4rthick,alpha);
935 z1=(width/2, height) - overshoot*se;
936 z2=2[z4,(width/2,height/2)];
941 z5=2[z1,(width/2,height/2)];
943 z7=z4l+1/2rthin*sw+1/2rthin*se;
944 z8=2[z6,(width/2,height/2)];
945 z9=2[z7,(width/2,height/2)];
947 fill z1l{se}..{se}z6..z3l..z7{se}..{se}z5l..z5r{nw}..{nw}z8..z3r..z9{nw}..{nw}z1r.. cycle;
948 penlabels(1,2,3,4,5,6,7,8,9);
951 fet_beginchar("Arpeggio","arpeggio","arpeggio");
952 %draw_staff (-2, 2, 0.0);
953 save height, overshoot, width;
954 height# = staff_space#;
956 overshoot# = 0.25 staff_space#;
957 define_pixels (height,overshoot,width);
958 set_char_box(0, width#, 0, height#);
962 % Extendable Trill symbol.
964 % Rename me to Trill, rename Trill to Tr?
965 fet_beginchar("Trill-element","trill-element","trillelement");
966 save height, overshoot;
967 height# = staff_space#;
969 overshoot# = 0.25 staff_space#;
970 define_pixels (height,overshoot,width);
971 set_char_box(0, height#, 0, width#);
973 currentpicture := currentpicture shifted -(width/2, height/2);
974 currentpicture := currentpicture rotated 90;
975 currentpicture := currentpicture shifted (height/2, width/2);
981 % Arpeggio arrow by Chris Jackson <chris@fluffhouse.org.uk>
984 def draw_arpeggio_arrow =
985 save thinness, height, width, overshoot, se, sw, ne, nw, alpha;
987 height# = staff_space#;
989 overshoot# = 0.25 staff_space#;
990 define_pixels (height,overshoot,width);
991 set_char_box(0, width#, 0, height#);
993 nw = dir (alpha+180);
994 sw = dir (alpha-90); se = dir alpha;
996 penpos1(rthin, alpha+90);
997 penpos2(5/4 rthick, alpha);
998 penpos3(5/4 rthick, 0);
1000 z1 = (width/2, height) - overshoot*se; % numbering is consistent with the arpeggio symbol
1001 z2 = 2[z4,(width/2,height/2)];
1002 z3 = (0.5 width, 0.5 height);
1003 z4 = (0.25 staff_space, rthin);
1004 z6 = z2l + 1/2rthin*sw;
1005 z9 = (width/2, height) + overshoot*se;
1006 fill z1l {se}..{se} z6 .. z3l .. z3r.. z9{nw} ..{nw} z1r.. cycle;
1008 bot z10 = ( 0.5w, 0 );
1009 lft z11 = (-0.3w, 0.8h);
1010 rt z12 = ( 1.3w, 0.8h);
1011 pickup pencircle scaled 0.5 rthin;
1012 filldraw z3 -- z12 {dir -130} .. {dir -110} z10 {dir 110} .. {dir 130} z11 -- cycle;
1015 fet_beginchar("Arpeggio arrow down", "arpeggio-arrow--1", "arpeggioarrowdown");
1016 draw_arpeggio_arrow;
1020 fet_beginchar("Arpeggio arrow up", "arpeggio-arrow-1", "arpeggioarrowup");
1021 draw_arpeggio_arrow;
1022 currentpicture := currentpicture scaled -1 shifted (0.8staff_space, staff_space);
1033 % I actually have no clue how they should look, so we use a slightly curvy
1034 % and tapered shape.
1036 fet_beginchar("Caesura", "caesura", "caesura");
1037 save slant, space_between, clearance;
1039 save botthick, topthick;
1044 botthick = 1.5 linethickness;
1045 topthick = 2.5 linethickness;
1046 pickup pencircle scaled botthick;
1050 space_between# = 0.6 staff_space#;
1051 clearance# = 0.2 staff_space#;
1052 height# = 1.2 staff_space#;
1054 set_char_box(0, 2.0 staff_space#, staff_space# - clearance#, height#);
1055 define_pixels (space_between, clearance, height);
1061 x2 = (y2 - y1) / slant;
1065 alpha = angle (z2 - z1);
1066 penpos1 (botthick, alpha - krom);
1067 penpos3 (botthick, alpha - krom + 90);
1069 penpos2 (topthick, alpha + krom );
1070 penpos4 (topthick, alpha + krom + 90);
1072 penlabels (1,2,3,4);
1074 p := z3r{(z1r - z1l)} .. z4r{z2r-z2l} .. z2r{z4l-z4r} .. z4l{z2l-z2r} .. z3l{z1l-z1r} .. z1l{z3r-z3l} .. cycle;
1076 fill p shifted (space_between , 0);
1081 fet_endgroup("scripts");