1 % feta-nummer.mf -- implement bold Orator numerals
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--2004 Jan Nieuwenhuizen <janneke@gnu.org>
11 height#:= number_design_size;
12 space# := number_design_size/2;
14 font_x_height height#;
15 font_normal_space space#;
20 %ugh. b and h are reused.
23 save b,h; 4h+b=1.15; 10h+b=1;
24 fatten:=number_design_size*h+b;
26 save b,h; 4h+b=1.05; 10h+b=1;
27 widen:=number_design_size*h+b;
30 thick#:=7/30height#*fatten;
31 thin#:=thick#/4*fatten + max(.1 (height# / 10 - 1), 0);
33 %% sqrt(.8 * blot_diameter#* thin#) ;
37 flare#:=9/8 thick# + .75 (height# / 10 - 1);
39 save b,h; 4h+b=1/8; 10h+b=1/6;
40 kuulleke#:=thick#*number_design_size*h+b;
42 foot_width#:=9/4thick#;
46 % These numbers were taken from a part that that the EJE violas played
47 % 1997 -- Probably Mendelssohn's ouverture Heimkehr aus der Fremde.
51 % TODO all the invocation of flare_path are weird --
52 % the horizontal tangents should be more at the center of the
56 define_pixels(height,thick,thick,thin,hair,flare);
57 define_pixels(foot_top,foot_width);
58 define_pixels(kuulleke);
61 % Yet Another Bulb Routine with smooth inside curve.
63 % alpha = start direction.
64 % beta = which side to turn to.
65 % flare = diameter of the bulb
66 % line = diameter of line attachment
67 % direction = is ink on left or right side (1 or -1)
71 % move_away_to = amount left (for 2)
72 % turn_to = amount down (for 2 )
74 def number_flare_path(expr pos,alpha,beta,line,flare,
77 turn_to, taille, taille_ratio,
82 % z5 = z2 + 0.43* flare *dir (alpha - 1.5 beta);
84 z4 = (0.75 - taille) [z2r, z2l] + whatever* dir (alpha - beta) ;
85 z4 = (taille_ratio * taille) [z3l, z3r] + whatever* dir(alpha);
86 penpos1(line,180+beta+alpha);
89 z2r = z1r + move_away_to *dir (alpha) + (line + turn_to) * dir(alpha+beta);
90 z3r = 0.5 [z2l,z2r] + 0.5 *flare *dir(alpha + beta);
92 penpos2(flare, alpha );
93 penpos3(flare, alpha + beta);
94 penlabels(1, 2, 3, 4, 5);
100 .. z2r{dir(180+alpha-beta)}
101 .. z3r{dir(alpha+180)}
102 .. z2l{dir(alpha-beta)}
105 %%% Two versions of the curve: one with z4, the other with z5.
106 % .. z5{dir(alpha- beta/2 )}
107 ..z4{dir(180+alpha+beta)}
108 ..z1l{dir(alpha+180)};
120 def calc_kuulleke(expr w,alpha) =
122 save beta; beta=(alpha-90)/2;
123 save gamma; gamma=(90+alpha)/2;
125 penpos1(w/cosd(alpha),alpha);
126 penpos2(hair,90+beta);
127 z2=z1l+(1/2hair/tand((alpha+90)/2))*dir(beta);
129 penpos3(hair,gamma-90);
130 z3=z1r-(1/2hair/tand((90-alpha)/2))*dir(gamma);
131 z4=z1+kuulleke*dir(alpha-90);
135 % should make generic macro?
137 def draw_foot(expr xpos) =
142 penpos2(foot_width,0);
150 fill z1..{right}z1r{down}..{right}z3l..z3r{left}..z5
151 ..{left}z4l..z4r{right}..{up}z1l{right}..z1..cycle;
156 set_char_box(0, .68 height#*widen, 0, height#);
157 message "w:"&decimal w;
158 message "h:"&decimal h;
161 z1=(thick,h/2+thin-hair/2);
166 penpos3 (15/16 thick,0);
167 % yup, should use the path fract [] "everywhere"
182 penlabels(1,2,3,4,5,6,7,8,9,10,11);
185 save outer_t; outer_t= 0.88;
189 z7{right}..z2r{right}
196 % .. flare_path (z6r,0,-90,hair,flare, 1)
197 .. number_flare_path (z6r, 0,-90,hair,flare,
198 w - x6r -hair/2, .16 h, 0.05, 2.5, 1)
202 .. {down}z10l -- cycle;
204 unfill z2l{right}..tension t..z3l{down}..tension t
205 ..z4l{left}..tension t..z10l{up}..tension t..cycle;
209 dot_diam# = 7/8flare#;
210 define_pixels(dot_diam);
213 fet_beginchar("Space", "space")
214 set_char_box(0, space#, 0,height#);
220 fet_beginchar("Numeral comma", "comma")
221 set_char_box(0, dot_diam#, 3/2dot_diam#, dot_diam#);
222 pickup pencircle scaled dot_diam;
223 draw (dot_diam/2,dot_diam/2);
226 penpos1(thin,alpha+90);
227 z1l=(w/2,-1.5h+hair);
230 filldraw z1l{dir(alpha)}..{up}z2..{z0-z2}z0{right}..{dir(180+alpha)}z1r..cycle;
235 fet_beginchar("Numeral dash", "hyphen")
236 set_char_box(0, height#/3, 0, height#);
237 pickup pencircle scaled thin;
244 fet_beginchar("Numeral dot", "period")
245 set_char_box(0, dot_diam#, 0, dot_diam#);
246 pickup pencircle scaled dot_diam;
247 draw (dot_diam/2,dot_diam/2);
255 fet_beginchar("Numeral 0", "zero")
256 set_char_box(0, 11/15height# * widen, 0, height#);
257 message "w:"&decimal w;
258 message "h:"&decimal h;
267 fill z1r..z2r..z3r..z4r..cycle;
270 unfill z1l..tension t..z2l..tension t..z3l
271 ..tension t..z4l..tension t..cycle;
274 fet_beginchar("Numeral 1", "one")
275 % set_char_box(0, 19/30height#*widen, 0, height#);
276 set_char_box(0, 1/2foot_width#+3/2thick#+1/2hair#, 0, height#);
277 message "w:"&decimal w;
278 message "h:"&decimal h;
281 calc_kuulleke(thick,alpha);
282 z1=(3/2thick,height);
288 save beta; beta=angle(z1l-z6);
289 penpos7(thin,beta-90);
291 penpos8(thin/cosd(beta),-90);
293 penpos9(thin,beta-90);
294 z9r=z8r+(thin/cosd(beta))*(0,-1);
295 penlabels(1,2,3,4,5,6,7,8,9);
296 save gamma; gamma=angle(length(z1r-z1),+2kuulleke);
297 fill z2r{dir(alpha-gamma)}..z4..{dir(alpha+gamma)}z3l..z3r{down}
298 ..{down}z5r{left}..z5..{left}z5l{up}..{up}z2l..cycle;
299 fill z7l{dir(beta)}..{dir(beta)}z1l..z2r..z9r{up}
300 ..z9l{dir(180+beta)}..{dir(180+beta)}z7r..cycle;
306 fet_beginchar("Numeral 2", "two")
307 set_char_box(0, 22/30 height#*widen, 0, height#);
308 message "w:"&decimal w;
309 message "h:"&decimal h;
311 save alpha; alpha=-45*widen;
313 save gamma; gamma=beta-10;
314 save flare_start_distance;
317 save theta; theta=20/widen;
318 penpos1(hair,90+beta);
319 z1=(0,0)+(1/2sqrt(2)*hair)*dir(45);
320 penpos3(hair,90+gamma);
321 z3=(w,thick)+(1/2sqrt(2)*hair)*dir(-135);
322 penpos2(thick, 90+alpha -15);
324 y2=10/16 thick/widen;
325 fill z1r{dir(beta)}.. tension 0.9 .. {dir(alpha + 10)}z2r..{dir(gamma)}z3r
326 ..z3l{dir(180+gamma)}..{dir(180+alpha - 5)}z2l
327 ..{dir(180+beta)}z1l..cycle;
330 z4r=(w-thin/2, .71 h);
341 p := z1l{dir(beta)}..tension t..z4r{up}
342 .. number_flare_path(z5r,180,90,hair, 1.05 flare,
344 .21 h, 0.006, 0.4, 1)
345 .. z4l{down}..tension t
346 ..{dir(180+beta)}z1r..cycle;
348 pickup pencircle scaled 1;
356 % TODO: should widen a bit. The right edge of the 3 bumps into next glyph in
359 fet_beginchar("Numeral 3", "three")
360 set_char_box(0, 2/3height#*widen, 0, height#);
361 message "w:"&decimal w;
362 message "h:"&decimal h;
365 % flare_start = 0.25 ;
369 % z1l=(17/16thick,h);
370 penpos2(7/8thick,180);
372 y2l = 3/4h + thick* 3/32;
374 z3=(w/2,h/2+1/8thick);
376 z4=(5/8thick+1/2thin,y3);
379 y5r = 17/64 h + thick/16;
388 penlabels(1,2,3,4,5,6,7);
389 save alpha; alpha=25;
391 save outer_t; outer_t := 0.93;
392 pickup pencircle scaled 1;
396 number_flare_path (z1l, 180, 90, hair, 7/8 flare, x1l - .5 hair,
397 .16 h, 0.06, 1.5, -1)
401 ..z7r{dir(180+alpha)}
406 .. number_flare_path (z6r, 180, -90, hair, flare, x6l,
424 fet_beginchar("Numeral 4", "four")
425 set_char_box(0, 4/5height#*widen, 0, height#);
426 message "w:"&decimal w;
427 message "h:"&decimal h;
430 calc_kuulleke(3/2thick,alpha);
431 z1r=(w-3/4thick,height);
433 z5=(thin,1/4height+thin);
434 save beta; beta=angle(z3r-z5);
439 penpos8(thin,-alpha);
441 penlabels(1,2,3,4,5,6,7);
442 save gamma; gamma=angle(length(z1r-z1),+2kuulleke);
443 fill z2r{dir(alpha-gamma)}..z4..{dir(alpha+gamma)}z3l
444 ..z3r{dir(180+beta)}..{dir(180+beta)}z8r{right}
445 ..{right}z7l..z7r{left}..{left}z6r..z8l{dir(beta)}
450 save alpha; alpha=beta;
451 calc_kuulleke(thick,alpha);
452 z1r=(w-3/4thick,height-(3/2thin)/cosd(alpha));
457 save gamma; gamma=angle(length(z1r-z1),+2kuulleke);
458 fill z2r{dir(alpha-gamma)}..z4..{dir(alpha+gamma)}z3l
459 ..z3r{down}..{down}z5r{left}..z5..{left}z5l{up}
461 penlabels(1,2,3,4,5);
466 fet_beginchar("Numeral 5", "five")
467 set_char_box(0, 27/40 height#*widen, 0, height#);
468 message "w:"&decimal w;
469 message "h:"&decimal h;
470 calc_kuulleke(w-thin,0);
475 z5l=(x1l,h-15/16thick);
477 z6=z5r+1/2hair*dir(-45);
479 z7l=(x1l,h/2+thin-hair);
480 penlabels(1,2,3,4,5,6,7);
481 save gamma; gamma=angle(length(z1r-z1),+2kuulleke);
482 fill z2r{dir(alpha-gamma)}..z4..{dir(alpha+gamma)}z3l
483 ..z3r{dir(-135)}..{left}z6r..z6l{down}..z7r{down}
484 ..z7l{up}..{up}z2l..cycle;
486 z8l=(x7r,y7r-1/16thick);
491 x9 = .36 [x8r, x10r] ;
495 y10r = 1/2[y9r,y11r];
500 penlabels(8,9,10,11, 12);
503 save inner_t, outer_t;
506 fill z8r{dir(beta)}..z9r{right}
509 .. number_flare_path (z11r, 180, -90, hair, flare, x11l,
515 ..z9l{left}..z8l{dir(180+beta+10)}..cycle;
519 fet_beginchar("Numeral 6", "six")
523 fet_beginchar("Numeral 7", "seven")
524 set_char_box(0, 11/15height#*widen, 0, height#);
525 message "w:"&decimal w;
526 message "h:"&decimal h;
528 save alpha; alpha=-180;
530 penpos1(3/2thick,180+alpha);
531 penpos2(hair,180+alpha-45);
532 z2=z1l+(1/4sqrt(2)*hair)*dir(alpha-135);
533 penpos3(hair,180+alpha+45);
534 z3=z1r+(1/4sqrt(2)*hair)*dir(alpha-45);
535 z4=z1+kuulleke*dir(alpha-90);
537 % shit, does not work
538 calc_kuulleke(3/2thick,-alpha);
543 penpos5(thin,90+beta);
544 z5=(w,h)+(1/2sqrt(2)*thin)*dir(-135);
546 save gamma; gamma=angle(length(z1r-z1),+2kuulleke);
547 save delta; delta=12;
549 fill z3l{dir(alpha-gamma)}..z4..{dir(alpha+gamma)}z2r..
550 z2l{dir(beta+delta)}..{dir(beta)}z5r
551 ..z5l{dir(180+beta)}..{dir(delta-90)}z3r..cycle;
552 penlabels(1,2,3,4,5);
555 save alpha; alpha=-45*widen;
556 penpos1(1/2thick,90);
557 z1=(3/2thin,h-(thick+thin)/2);
558 penpos3(thin,90+beta);
559 z3=(w,h)+(1/2sqrt(2)*thin)*dir(-135);
560 penpos2(thick,90+alpha);
561 x2=1/2[x1,x3]-1/4thick; y2=h-15/16thick+thin*widen;
568 penpos6(9/8thick,90);
569 z6r=(thin,y1r+2/16thick);
571 fill z1r{dir(beta)}..{dir(alpha)}z2r..{dir(beta)}z3r
572 ..z3l{dir(180+beta)}..{dir(180+alpha)}z2l
573 ..{dir(180+beta)}z1l..z6l{down}..{down}z5r
574 ..z5l{up}..{up}z4l..z4r{down}..{down}z6r..{right}cycle;
575 penlabels(1,2,3,4,5,6);
578 fet_beginchar("Numeral 8", "eight")
579 set_char_box(0, 11/15height#*widen, 0, height#);
580 message "w:"&decimal w;
581 message "h:"&decimal h;
582 save alpha; alpha=60;
583 save beta; beta=alpha-15;
584 z1=(w/2,h/2+thick/8);
585 penpos2(14/8 thin,0);
592 penpos5(thick,90+90+alpha);
593 z5=z1+w/4*dir(alpha-90);
594 penpos6(thick,90+90+alpha);
595 z6=z1+(w/4-thin/2)*dir(90+alpha);
597 z7r= (x1 + .02 w ,h);
599 z8r=(w-thin/2,3/4h+thin/2);
600 penpos9( 13/8 thin,0);
602 penlabels(1,2,3,4,5,6,7,8,9);
604 fill z2r{dir(180+beta)}..z3r{down}..z4r{right}
605 ..z5r{dir(90+alpha)}..z6r{dir(90+alpha)}
606 ..tension t..z7r{right}..z8r{down}..z9r{dir(180+beta)}
607 ..z9l{dir(beta)}..z8l{up}..z7l{left}..z6l{dir(alpha-90)}
608 ..z5l{dir(alpha-90)}..tension t..z4l{left}..z3l{up}
609 ..z2l{dir(beta)}..cycle;
612 fet_beginchar("Numeral 9", "nine")
615 currentpicture := currentpicture scaled -1;
616 currentpicture := currentpicture shifted (w,h);
619 ligtable "3" : "3" kern 0.1 space#, "0" kern 0.1 space#;
620 ligtable "2" : "7" kern 0.15 space#;