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--2002 Jan Nieuwenhuizen <janneke@gnu.org>
11 % TODO all the invocation of flare_path are weird --
12 % the horizontal tangents should be more at the center of the
16 fet_begingroup("number")
18 define_pixels(height,thick,thick,thin,hair,flare);
19 define_pixels(foot_top,foot_width);
20 define_pixels(kuulleke);
25 % Yet Another Bulb Routine with smooth inside curve.
27 % alpha = start direction.
28 % beta = which side to turn to.
29 % flare = diameter of the bulb
30 % line = diameter of line attachment
31 % direction = is ink on left or right side (1 or -1)
35 % The basic idea, is to put a really bulb shaped ending at
36 % an angle of 45 degrees with the normal ending.
37 % the length can be controlled using flare_len and flare_thick.
38 def number_flare_path(expr pos,alpha,beta,line,flare,
42 away_from_start_pos, direction) =
45 save flare_thick, flare_len;
47 flare_thick= 0.7 flare;
48 flare_len = 0.9 * 0.75 flare;
53 penpos1(line,180+beta+alpha);
56 z2r = z1r + move_away_to *dir (alpha) + (line + turn_to) * dir(alpha+beta);
57 penpos2(flare_thick, alpha + 0.45 beta);
58 penpos3(flare_thick, alpha + 0.5 beta);
60 z3 = 0.5 [z2l,z2r] + flare_len* dir (alpha + 3/2 beta);
62 z4 = z2l + taille * dir (alpha);
69 .. super_curvelet (z1r, z2r, 0.73, -1)
70 .. z2r{dir(180+alpha-beta)}.. z3r{dir(alpha+180)}
71 ..z3l{dir(180+alpha+beta)}
73 ..z4{dir(180+alpha+beta)}
74 .. super_curvelet (z4, z1l, 0.69, 1)
75 ..z1l{dir(alpha+180)};
87 def calc_kuulleke(expr w,alpha) =
89 save beta; beta=(alpha-90)/2;
90 save gamma; gamma=(90+alpha)/2;
92 penpos1(w/cosd(alpha),alpha);
93 penpos2(hair,90+beta);
94 z2=z1l+(1/2hair/tand((alpha+90)/2))*dir(beta);
96 penpos3(hair,gamma-90);
97 z3=z1r-(1/2hair/tand((90-alpha)/2))*dir(gamma);
98 z4=z1+kuulleke*dir(alpha-90);
102 % should make generic macro?
104 def draw_foot(expr xpos) =
109 penpos2(foot_width,0);
117 fill z1..{right}z1r{down}..{right}z3l..z3r{left}..z5
118 ..{left}z4l..z4r{right}..{up}z1l{right}..z1..cycle;
123 set_char_box(0, 2/3height#*widen, 0, height#);
124 message "w:"&decimal w;
125 message "h:"&decimal h;
128 z1=(thick,h/2+thin-hair/2);
133 % yup, should use the path fract [] "everywhere"
139 penpos7(7/8thick,180);
141 penpos10(7/8thick,180);
143 penlabels(1,2,3,4,5,6,7,8,9,10,11);
147 fill z7{right}..z2r{right}..tension t..z3r{down}
148 ..tension t..z4r{left}
150 .. super_curvelet(z7r, z6r, 0.76, 1)
151 .. flare_path (z6r,0,-90,hair,flare, 1)
153 ..tension t..z7l{down}..z10l{up}..cycle;
155 unfill z2l{right}..tension t..z3l{down}..tension t
156 ..z4l{left}..tension t..z10l{up}..tension t..cycle;
160 dot_diam# = 7/8flare#;
161 define_pixels(dot_diam);
164 fet_beginchar("Space", "space", "space")
165 set_char_box(0, space#, 0,height#);
171 fet_beginchar("Numeral comma", ",", "comma")
172 set_char_box(0, dot_diam#, 3/2dot_diam#, dot_diam#);
173 pickup pencircle scaled dot_diam;
174 draw (dot_diam/2,dot_diam/2);
177 penpos1(thin,alpha+90);
178 z1l=(w/2,-1.5h+hair);
181 filldraw z1l{dir(alpha)}..{up}z2..{z0-z2}z0{right}..{dir(180+alpha)}z1r..cycle;
186 fet_beginchar("Numeral dash", "-", "dash")
187 set_char_box(0, height#/3, 0, height#);
188 pickup pencircle scaled thin;
195 fet_beginchar("Numeral dot", ".", "dot")
196 set_char_box(0, dot_diam#, 0, dot_diam#);
197 pickup pencircle scaled dot_diam;
198 draw (dot_diam/2,dot_diam/2);
206 fet_beginchar("Numeral 0", "0", "zero")
207 % set_char_box(0, 4/5height#*widen, 0, height#);
208 set_char_box(0, 11/15height#*widen, 0, height#);
209 message "w:"&decimal w;
210 message "h:"&decimal h;
219 fill z1r..z2r..z3r..z4r..cycle;
222 unfill z1l..tension t..z2l..tension t..z3l
223 ..tension t..z4l..tension t..cycle;
226 fet_beginchar("Numeral 1", "1", "one")
227 % set_char_box(0, 19/30height#*widen, 0, height#);
228 set_char_box(0, 1/2foot_width#+3/2thick#+1/2hair#, 0, height#);
229 message "w:"&decimal w;
230 message "h:"&decimal h;
233 calc_kuulleke(thick,alpha);
234 z1=(3/2thick,height);
240 save beta; beta=angle(z1l-z6);
241 penpos7(thin,beta-90);
243 penpos8(thin/cosd(beta),-90);
245 penpos9(thin,beta-90);
246 z9r=z8r+(thin/cosd(beta))*(0,-1);
247 penlabels(1,2,3,4,5,6,7,8,9);
248 save gamma; gamma=angle(length(z1r-z1),+2kuulleke);
249 fill z2r{dir(alpha-gamma)}..z4..{dir(alpha+gamma)}z3l..z3r{down}
250 ..{down}z5r{left}..z5..{left}z5l{up}..{up}z2l..cycle;
251 fill z7l{dir(beta)}..{dir(beta)}z1l..z2r..z9r{up}
252 ..z9l{dir(180+beta)}..{dir(180+beta)}z7r..cycle;
258 fet_beginchar("Numeral 2", "2", "two")
259 set_char_box(0, 11/15height#*widen, 0, height#);
260 message "w:"&decimal w;
261 message "h:"&decimal h;
263 save alpha; alpha=-45*widen;
265 save gamma; gamma=beta-10;
266 save flare_start_distance;
269 save theta; theta=20/widen;
270 penpos1(hair,90+beta);
271 z1=(0,0)+(1/2sqrt(2)*hair)*dir(45);
272 penpos3(hair,90+gamma);
273 z3=(w,thick)+(1/2sqrt(2)*hair)*dir(-135);
274 penpos2(thick,90+alpha);
275 x2-x1=x3-x2; y2=11/16thick/widen;
276 fill z1r{dir(beta)}..{dir(alpha)}z2r..{dir(gamma)}z3r
277 ..z3l{dir(180+gamma)}..{dir(180+alpha)}z2l
278 ..{dir(180+beta)}z1l..cycle;
281 z4r=(w-thin/2, .71 h);
284 x5r = 1/2 hair + 1.0 flare + flare_start* flare;
292 p := z1l{dir(beta)}..tension t..z4r{up}
293 .. number_flare_path(z5r,180,90,thin, flare,
296 flare_start* flare, 1)
297 .. z4l{down}..tension t
298 ..{dir(180+beta)}z1r..cycle;
300 pickup pencircle scaled 1;
306 fet_beginchar("Numeral 3", "3", "three")
307 set_char_box(0, 2/3height#*widen, 0, height#);
308 message "w:"&decimal w;
309 message "h:"&decimal h;
312 penpos2(7/8thick,180);
313 z2l=(w-thick/8,3/4h+thick/16);
315 z3=(w/2,h/2+1/8thick);
317 z4=(5/8thick+1/2thin,y3);
319 z5r=(w,1/4h+thick/16);
324 penlabels(1,2,3,4,5,6,7);
325 save alpha; alpha=25;
327 pickup pencircle scaled 1;
330 flare_path (z1l, 180, 90, hair, 7/8 flare, -1)
331 .. super_curvelet(z1l, z2l, 0.76, -1)
332 .. z2l{down}..z7r{dir(180+alpha)}
333 ..z7l{dir(-alpha)}..z5r{down}..tension t..
335 flare_path (z6r, 180, -90, hair, flare, 1) ..tension t..
338 ..tension t..z3l{left}..z4l{left}
339 ..z4r{right}..z3r{right}..tension t..z2r{up}
346 fet_beginchar("Numeral 4", "4", "four")
347 set_char_box(0, 4/5height#*widen, 0, height#);
348 message "w:"&decimal w;
349 message "h:"&decimal h;
352 calc_kuulleke(3/2thick,alpha);
353 z1r=(w-3/4thick,height);
355 z5=(thin,1/4height+thin);
356 save beta; beta=angle(z3r-z5);
361 penpos8(thin,-alpha);
363 penlabels(1,2,3,4,5,6,7);
364 save gamma; gamma=angle(length(z1r-z1),+2kuulleke);
365 fill z2r{dir(alpha-gamma)}..z4..{dir(alpha+gamma)}z3l
366 ..z3r{dir(180+beta)}..{dir(180+beta)}z8r{right}
367 ..{right}z7l..z7r{left}..{left}z6r..z8l{dir(beta)}
372 save alpha; alpha=beta;
373 calc_kuulleke(thick,alpha);
374 z1r=(w-3/4thick,height-(3/2thin)/cosd(alpha));
379 save gamma; gamma=angle(length(z1r-z1),+2kuulleke);
380 fill z2r{dir(alpha-gamma)}..z4..{dir(alpha+gamma)}z3l
381 ..z3r{down}..{down}z5r{left}..z5..{left}z5l{up}
383 penlabels(1,2,3,4,5);
388 fet_beginchar("Numeral 5", "5", "five")
389 set_char_box(0, 7/10height#*widen, 0, height#);
390 message "w:"&decimal w;
391 message "h:"&decimal h;
392 calc_kuulleke(w-thin,0);
396 z5l=(x1l,h-15/16thick);
398 z6=z5r+1/2hair*dir(-45);
400 z7l=(x1l,h/2+thin-hair);
401 penlabels(1,2,3,4,5,6,7);
402 save gamma; gamma=angle(length(z1r-z1),+2kuulleke);
403 fill z2r{dir(alpha-gamma)}..z4..{dir(alpha+gamma)}z3l
404 ..z3r{dir(-135)}..{left}z6r..z6l{down}..z7r{down}
405 ..z7l{up}..{up}z2l..cycle;
407 z8l=(x7r,y7r-1/16thick);
409 z9=(x11+3/16thick,10/16[y5,y7]);
411 z10r=(w,1/2[y9r,y11r]);
414 penlabels(8,9,10,11);
417 fill z8r{dir(beta)}..z9r{right}..tension t..z10r{down}
418 .. super_curvelet(z10r, z11r, 0.76, 1)
419 .. flare_path(z11r,180,-90,hair,flare, 1)
420 ..z11l{right}..tension t..z10l{up}..tension t
421 ..z9l{left}..z8l{dir(180+beta+10)}..cycle;
425 fet_beginchar("Numeral 6", "6", "six")
429 fet_beginchar("Numeral 7", "7", "seven")
430 set_char_box(0, 11/15height#*widen, 0, height#);
431 message "w:"&decimal w;
432 message "h:"&decimal h;
434 save alpha; alpha=-180;
436 penpos1(3/2thick,180+alpha);
437 penpos2(hair,180+alpha-45);
438 z2=z1l+(1/4sqrt(2)*hair)*dir(alpha-135);
439 penpos3(hair,180+alpha+45);
440 z3=z1r+(1/4sqrt(2)*hair)*dir(alpha-45);
441 z4=z1+kuulleke*dir(alpha-90);
443 % shit, does not work
444 calc_kuulleke(3/2thick,-alpha);
449 penpos5(thin,90+beta);
450 z5=(w,h)+(1/2sqrt(2)*thin)*dir(-135);
452 save gamma; gamma=angle(length(z1r-z1),+2kuulleke);
453 save delta; delta=12;
455 fill z3l{dir(alpha-gamma)}..z4..{dir(alpha+gamma)}z2r..
456 z2l{dir(beta+delta)}..{dir(beta)}z5r
457 ..z5l{dir(180+beta)}..{dir(delta-90)}z3r..cycle;
458 penlabels(1,2,3,4,5);
461 save alpha; alpha=-45*widen;
462 penpos1(1/2thick,90);
463 z1=(3/2thin,h-(thick+thin)/2);
464 penpos3(thin,90+beta);
465 z3=(w,h)+(1/2sqrt(2)*thin)*dir(-135);
466 penpos2(thick,90+alpha);
467 x2=1/2[x1,x3]-1/4thick; y2=h-15/16thick+thin*widen;
474 penpos6(9/8thick,90);
475 z6r=(thin,y1r+2/16thick);
477 fill z1r{dir(beta)}..{dir(alpha)}z2r..{dir(beta)}z3r
478 ..z3l{dir(180+beta)}..{dir(180+alpha)}z2l
479 ..{dir(180+beta)}z1l..z6l{down}..{down}z5r
480 ..z5l{up}..{up}z4l..z4r{down}..{down}z6r..{right}cycle;
481 penlabels(1,2,3,4,5,6);
484 fet_beginchar("Numeral 8", "8", "eight")
485 set_char_box(0, 11/15height#*widen, 0, height#);
486 message "w:"&decimal w;
487 message "h:"&decimal h;
488 save alpha; alpha=60;
489 save beta; beta=alpha-15;
490 z1=(w/2,h/2+thick/8);
491 penpos2(hair,90+180+beta);
497 penpos5(thick,90+90+alpha);
498 z5=z1+w/4*dir(alpha-90);
499 penpos6(thick,90+90+alpha);
500 z6=z1+(w/4-thin/2)*dir(90+alpha);
504 z8r=(w-thin/2,3/4h+thin/2);
505 penpos9(hair,90+180+beta);
507 penlabels(1,2,3,4,5,6,7,8,9);
509 fill z2r{dir(180+beta)}..z3r{down}..z4r{right}
510 ..z5r{dir(90+alpha)}..z6r{dir(90+alpha)}
511 ..tension t..z7r{right}..z8r{down}..z9r{dir(180+beta)}
512 ..z9l{dir(beta)}..z8l{up}..z7l{left}..z6l{dir(alpha-90)}
513 ..z5l{dir(alpha-90)}..tension t..z4l{left}..z3l{up}
514 ..z2l{dir(beta)}..cycle;
517 fet_beginchar("Numeral 9", "9", "nine")
520 currentpicture := currentpicture scaled -1;
521 currentpicture := currentpicture shifted (w,h);
524 fet_endgroup("number")