mf/feta-nummer.mf

   1 % feta-nummer.mf -- implement bold Orator numerals
   2 %
   3 % part of LilyPond's pretty-but-neat music font
   4 %
   5 % source file of the Feta (not the Font-En-Tja) music font
   6 %
   7 % (c) 1997, 1998 Jan Nieuwenhuizen <janneke@gnu.org>
   8
   9 fet_begingroup("nummer")
  10
  11 define_pixels(height,thick,thick,thin,hair,flare);
  12 define_pixels(foot_top,foot_width);
  13 define_pixels(kuulleke);
  14
  15 def calc_kuulleke(expr w,alpha) =
  16         begingroup;
  17         save beta; beta=(alpha-90)/2;
  18         save gamma; gamma=(90+alpha)/2;
  19
  20         penpos1(w/cosd(alpha),alpha);
  21         penpos2(hair,90+beta);
  22         z2=z1l+(1/2hair/tand((alpha+90)/2))*dir(beta);
  23
  24         penpos3(hair,gamma-90);
  25         z3=z1r-(1/2hair/tand((90-alpha)/2))*dir(gamma);
  26         z4=z1+kuulleke*dir(alpha-90);
  27         endgroup;
  28         enddef;
  29
  30 % should make generic macro?
  31 %
  32 def draw_foot(expr xpos) =
  33         begingroup;
  34         clearxy;
  35         penpos1(thick,0);
  36         z1=(xpos,foot_top);
  37         penpos2(foot_width,0);
  38         z2=(x1,0);
  39         penpos3(hair,-90);
  40         z3r=z2r;
  41         penpos4(hair,90);
  42         z4l=z2l;
  43         z5=(x1,kuulleke);
  44         penlabels(1,2,3,4);
  45         fill z1..{right}z1r{down}..{right}z3l..z3r{left}..z5
  46                 ..{left}z4l..z4r{right}..{up}z1l{right}..z1..cycle;
  47         endgroup;
  48         enddef;
  49
  50 def draw_six =
  51         set_char_box(0, 2/3height#*widen, 0, height#);
  52         message "w:"&decimal w;
  53         message "h:"&decimal h;
  54
  55         penpos1(thin,90);
  56         z1=(thick,h/2+thin-hair/2);
  57         penpos2(hair,90);
  58
  59         z2=(w/2,y1);
  60         penpos3(7/8thick,0);
  61         % yup, should use the path fract [] "everywhere"
  62         z3r=(w,1/2[0,y1]);
  63         penpos4(hair,-90);
  64         z4r=(x2,0);
  65         penpos5(7/8thick,180);
  66         z5r=(0,y1);
  67         penpos6(hair,90);
  68         z6r=(w-flare,h);
  69         penpos7(7/8thick,180);
  70         z7r=(0,h/2);
  71         penpos10(7/8thick,180);
  72         z10r=(0,y3);
  73         penlabels(1,2,3,4,5,6,7,8,9,10,11);
  74         save t; t=tense;
  75         fill z7{right}..z2r{right}..tension t..z3r{down}
  76                 ..tension t..z4r{left}
  77                 ..tension t..z7r{up}..tension t..z6r{right}
  78                 ..z6l{left}..tension t..z7l{down}..z10l{up}..cycle;
  79         draw_flare(z6r,0,-90,hair,flare);
  80         unfill z2l{right}..tension t..z3l{down}..tension t
  81                 ..z4l{left}..tension t..z10l{up}..tension t..cycle;
  82         enddef;
  83
  84 save dot_diam;
  85 dot_diam# = 7/8flare#;
  86 define_pixels(dot_diam);
  87
  88 code := 43;
  89
  90 % urg
  91 fet_beginchar("Numeral comma", ",", "comma")
  92         set_char_box(0, dot_diam#, 3/2dot_diam#, dot_diam#);
  93         pickup pencircle scaled dot_diam;
  94         draw (dot_diam/2,dot_diam/2);
  95         z0=(w/3,0);
  96         alpha=65;
  97         penpos1(thin,alpha+90);
  98         z1l=(w/2,-1.5h+hair);
  99         z2=(w,h/2);
 100         pickup pencircle;
 101         filldraw z1l{dir(alpha)}..{up}z2..{z0-z2}z0{right}..{dir(180+alpha)}z1r..cycle;
 102         labels(0,1,2);
 103         penlabels(1);
 104 fet_endchar;
 105
 106 fet_beginchar("Numeral dash", "-", "dash")
 107         set_char_box(0, height#/3, 0, height#);
 108         pickup pencircle scaled thin;
 109         lft x1 = -b;
 110         rt x2 = w;
 111         y1 = y2 = h/3;
 112         draw z1 .. z2;
 113 fet_endchar;
 114
 115 fet_beginchar("Numeral dot", ".", "dot")
 116         set_char_box(0, dot_diam#, 0, dot_diam#);
 117         pickup pencircle scaled dot_diam;
 118         draw (dot_diam/2,dot_diam/2);
 119 fet_endchar;
 120
 121
 122 % skip slash
 123
 124 code := 47;
 125
 126 fet_beginchar("Numeral 0", "0", "zero")
 127 %       set_char_box(0, 4/5height#*widen, 0, height#);
 128         set_char_box(0, 11/15height#*widen, 0, height#);
 129         message "w:"&decimal w;
 130         message "h:"&decimal h;
 131         penpos1(thin,90);
 132         z1r=(w/2,h);
 133         penpos2(thick,180);
 134         z2r=(0,h/2);
 135         penpos3(thin,-90);
 136         z3r=(w/2,0);
 137         penpos4(thick,0);
 138         z4r=(w,h/2);
 139         fill z1r..z2r..z3r..z4r..cycle;
 140         save t; t=1/tense;
 141         penlabels(1,2,3,4);
 142         unfill z1l..tension t..z2l..tension t..z3l
 143                 ..tension t..z4l..tension t..cycle;
 144 fet_endchar;
 145
 146 fet_beginchar("Numeral 1", "1", "one")
 147 %       set_char_box(0, 19/30height#*widen, 0, height#);
 148         set_char_box(0, 1/2foot_width#+3/2thick#+1/2hair#, 0, height#);
 149         message "w:"&decimal w;
 150         message "h:"&decimal h;
 151
 152         save alpha; alpha=0;
 153         calc_kuulleke(thick,alpha);
 154         z1=(3/2thick,height);
 155
 156         penpos5(thick,0);
 157         z5=(x1,foot_top);
 158
 159         z6=(0,h/2);
 160         save beta; beta=angle(z1l-z6);
 161         penpos7(thin,beta-90);
 162         z7l=z6;
 163         penpos8(thin/cosd(beta),-90);
 164         z8l=z1l;
 165         penpos9(thin,beta-90);
 166         z9r=z8r+(thin/cosd(beta))*(0,-1);
 167         penlabels(1,2,3,4,5,6,7,8,9);
 168         save gamma; gamma=angle(length(z1r-z1),+2kuulleke);
 169         fill z2r{dir(alpha-gamma)}..z4..{dir(alpha+gamma)}z3l..z3r{down}
 170                 ..{down}z5r{left}..z5..{left}z5l{up}..{up}z2l..cycle;
 171         fill z7l{dir(beta)}..{dir(beta)}z1l..z2r..z9r{up}
 172                 ..z9l{dir(180+beta)}..{dir(180+beta)}z7r..cycle;
 173         penlabels(7,8,9);
 174
 175         draw_foot(x1);
 176 fet_endchar;
 177
 178 fet_beginchar("Numeral 2", "2", "two")
 179         set_char_box(0, 11/15height#*widen, 0, height#);
 180         message "w:"&decimal w;
 181         message "h:"&decimal h;
 182         clearxy;
 183         save alpha; alpha=-45*widen;
 184         save beta; beta=85;
 185         save gamma; gamma=beta-10;
 186         save theta; theta=20/widen;
 187         penpos1(hair,90+beta);
 188         z1=(0,0)+(1/2sqrt(2)*hair)*dir(45);
 189         penpos3(hair,90+gamma);
 190         z3=(w,thick)+(1/2sqrt(2)*hair)*dir(-135);
 191         penpos2(thick,90+alpha);
 192         x2-x1=x3-x2; y2=11/16thick/widen;
 193         fill z1r{dir(beta)}..{dir(alpha)}z2r..{dir(gamma)}z3r
 194                 ..z3l{dir(180+gamma)}..{dir(180+alpha)}z2l
 195                 ..{dir(180+beta)}z1l..cycle;
 196
 197         penpos4(thick,0);
 198         z4r=(w-thin/2,.72h);
 199         penpos5(thin,90);
 200         z5r=(1/2hair+flare,h);
 201         penlabels(1,2,3,4);
 202         penlabels(5,6);
 203         save t; t=tense;
 204         fill z1l{dir(beta)}..tension t..z4r{up}
 205                 ..tension t..z5r{left}..z5l{right}
 206                 ..z4l{down}..tension t
 207                 ..{dir(180+beta)}z1r..cycle;
 208         draw_flare(z5r,180,90,thin,flare);
 209 fet_endchar;
 210
 211 fet_beginchar("Numeral 3", "3", "three")
 212         set_char_box(0, 2/3height#*widen, 0, height#);
 213         message "w:"&decimal w;
 214         message "h:"&decimal h;
 215         penpos1(hair,-90);
 216         z1l=(17/16thick,h);
 217         penpos2(7/8thick,180);
 218         z2l=(w-thick/8,3/4h+thick/16);
 219         penpos3(thin,90);
 220         z3=(w/2,h/2+1/8thick);
 221         penpos4(thin,90);
 222         z4=(5/8thick+1/2thin,y3);
 223         penpos5(thick,0);
 224         z5r=(w,1/4h+thick/16);
 225         penpos6(hair,-90);
 226         z6r=(9/8thick,0);
 227         penpos7(3/2thin,90);
 228         z7=(x5,y3);
 229         penlabels(1,2,3,4,5,6,7);
 230         save alpha; alpha=25;
 231         save t; t=tense;
 232         fill z1l{right}..tension t..z2l{down}..z7r{dir(180+alpha)}
 233                 ..z7l{dir(-alpha)}..z5r{down}..tension t..z6r{left}
 234                 ..z6l{right}..tension t..z5l{up}
 235                 ..tension t..z3l{left}..z4l{left}
 236                 ..z4r{right}..z3r{right}..tension t..z2r{up}
 237                 ..tension t..z1r{left}..cycle;
 238         draw_flare(z1l,180,90,hair,7/8flare);
 239         draw_flare(z6r,180,-90,hair,flare);
 240 fet_endchar;
 241
 242 fet_beginchar("Numeral 4", "4", "four")
 243         set_char_box(0, 4/5height#*widen, 0, height#);
 244         message "w:"&decimal w;
 245         message "h:"&decimal h;
 246
 247         save alpha; alpha=0;
 248         calc_kuulleke(3/2thick,alpha);
 249         z1r=(w-3/4thick,height);
 250
 251         z5=(thin,1/4height+thin);
 252         save beta; beta=angle(z3r-z5);
 253         penpos6(thin,-90);
 254         z6l=z5;
 255         penpos7(thin,-90);
 256         y7=y6; x7=w-1/2thin;
 257         penpos8(thin,-alpha);
 258         z8r=z5;
 259         penlabels(1,2,3,4,5,6,7);
 260         save gamma; gamma=angle(length(z1r-z1),+2kuulleke);
 261         fill z2r{dir(alpha-gamma)}..z4..{dir(alpha+gamma)}z3l
 262                 ..z3r{dir(180+beta)}..{dir(180+beta)}z8r{right}
 263                 ..{right}z7l..z7r{left}..{left}z6r..z8l{dir(beta)}
 264                 ..{up}z2l..cycle;
 265
 266         clearxy;
 267
 268         save alpha; alpha=beta;
 269         calc_kuulleke(thick,alpha);
 270         z1r=(w-3/4thick,height-(3/2thin)/cosd(alpha));
 271
 272         penpos5(thick,0);
 273         z5=(x1,foot_top);
 274
 275         save gamma; gamma=angle(length(z1r-z1),+2kuulleke);
 276         fill z2r{dir(alpha-gamma)}..z4..{dir(alpha+gamma)}z3l
 277                 ..z3r{down}..{down}z5r{left}..z5..{left}z5l{up}
 278                 ..{up}z2l..cycle;
 279         penlabels(1,2,3,4,5);
 280
 281         draw_foot(x5);
 282 fet_endchar;
 283
 284 fet_beginchar("Numeral 5", "5", "five")
 285         set_char_box(0, 7/10height#*widen, 0, height#);
 286         message "w:"&decimal w;
 287         message "h:"&decimal h;
 288         calc_kuulleke(w-thin,0);
 289         z1=(w/2+1/8thick,h);
 290         save alpha; alpha=0;
 291         penpos5(thin,0);
 292         z5l=(x1l,h-15/16thick);
 293         penpos6(hair,90-45);
 294         z6=z5r+1/2hair*dir(-45);
 295         penpos7(thin,0);
 296         z7l=(x1l,h/2+thin-hair);
 297         penlabels(1,2,3,4,5,6,7);
 298         save gamma; gamma=angle(length(z1r-z1),+2kuulleke);
 299         fill z2r{dir(alpha-gamma)}..z4..{dir(alpha+gamma)}z3l
 300                 ..z3r{dir(-135)}..{left}z6r..z6l{down}..z7r{down}
 301                 ..z7l{up}..{up}z2l..cycle;
 302         penpos8(thin,90);
 303         z8l=(x7r,y7r-1/16thick);
 304         penpos9(thin,90);
 305         z9=(x11+3/16thick,10/16[y5,y7]);
 306         penpos10(thick,0);
 307         z10r=(w,1/2[y9r,y11r]);
 308         penpos11(hair,-90);
 309         z11r=(9/8thick,0);
 310         penlabels(8,9,10,11);
 311         save beta; beta=45;
 312         save t; t=tense;
 313         fill z8r{dir(beta)}..z9r{right}..tension t..z10r{down}
 314                 ..tension t..z11r{left}
 315                 ..z11l{right}..tension t..z10l{up}..tension t
 316                 ..z9l{left}..z8l{dir(180+beta+10)}..cycle;
 317         draw_flare(z11r,180,-90,hair,flare);
 318 fet_endchar;
 319
 320 fet_beginchar("Numeral 6", "6", "six")
 321         draw_six;
 322 fet_endchar;
 323
 324 fet_beginchar("Numeral 7", "7", "seven")
 325         set_char_box(0, 11/15height#*widen, 0, height#);
 326         message "w:"&decimal w;
 327         message "h:"&decimal h;
 328
 329         save alpha; alpha=-180;
 330 if true:
 331         penpos1(3/2thick,180+alpha);
 332         penpos2(hair,180+alpha-45);
 333         z2=z1l+(1/4sqrt(2)*hair)*dir(alpha-135);
 334         penpos3(hair,180+alpha+45);
 335         z3=z1r+(1/4sqrt(2)*hair)*dir(alpha-45);
 336         z4=z1+kuulleke*dir(alpha-90);
 337 else:
 338         % shit, does not work
 339         calc_kuulleke(3/2thick,-alpha);
 340 fi
 341         z1l=(thin,0);
 342
 343         save beta; beta=55;
 344         penpos5(thin,90+beta);
 345         z5=(w,h)+(1/2sqrt(2)*thin)*dir(-135);
 346
 347         save gamma; gamma=angle(length(z1r-z1),+2kuulleke);
 348         save delta; delta=12;
 349         pickup pencircle;
 350         fill z3l{dir(alpha-gamma)}..z4..{dir(alpha+gamma)}z2r..
 351                 z2l{dir(beta+delta)}..{dir(beta)}z5r
 352                 ..z5l{dir(180+beta)}..{dir(delta-90)}z3r..cycle;
 353         penlabels(1,2,3,4,5);
 354
 355         clearxy;
 356         save alpha; alpha=-45*widen;
 357         penpos1(1/2thick,90);
 358         z1=(3/2thin,h-(thick+thin)/2);
 359         penpos3(thin,90+beta);
 360         z3=(w,h)+(1/2sqrt(2)*thin)*dir(-135);
 361         penpos2(thick,90+alpha);
 362         x2=1/2[x1,x3]-1/4thick; y2=h-15/16thick+thin*widen;
 363
 364         penpos4(thin,0);
 365         z4l=(0,h-thin/2);
 366         penpos5(thin,0);
 367         z5l=(0,h/2+thin/2);
 368
 369         penpos6(9/8thick,90);
 370         z6r=(thin,y1r+2/16thick);
 371
 372         fill z1r{dir(beta)}..{dir(alpha)}z2r..{dir(beta)}z3r
 373                 ..z3l{dir(180+beta)}..{dir(180+alpha)}z2l
 374                 ..{dir(180+beta)}z1l..z6l{down}..{down}z5r
 375                 ..z5l{up}..{up}z4l..z4r{down}..{down}z6r..{right}cycle;
 376         penlabels(1,2,3,4,5,6);
 377 fet_endchar;
 378
 379 fet_beginchar("Numeral 8", "8", "eight")
 380         set_char_box(0, 11/15height#*widen, 0, height#);
 381         message "w:"&decimal w;
 382         message "h:"&decimal h;
 383         save alpha; alpha=60;
 384         save beta; beta=alpha-15;
 385         z1=(w/2,h/2+thick/8);
 386         penpos2(hair,90+180+beta);
 387         z2=(w/3,h/2+thin);
 388         penpos3(3/2thin,0);
 389         z3l=(0,h/4+thin/2);
 390         penpos4(hair,90);
 391         z4l=(x1,0);
 392         penpos5(thick,90+90+alpha);
 393         z5=z1+w/4*dir(alpha-90);
 394         penpos6(thick,90+90+alpha);
 395         z6=z1+(w/4-thin/2)*dir(90+alpha);
 396         penpos7(hair,90);
 397         z7r=(x1,h);
 398         penpos8(3/2thin,0);
 399         z8r=(w-thin/2,3/4h+thin/2);
 400         penpos9(hair,90+180+beta);
 401         z9=(2/3w,h/2);
 402         penlabels(1,2,3,4,5,6,7,8,9);
 403         save t; t=tense;
 404         fill z2r{dir(180+beta)}..z3r{down}..z4r{right}
 405                 ..z5r{dir(90+alpha)}..z6r{dir(90+alpha)}
 406                 ..tension t..z7r{right}..z8r{down}..z9r{dir(180+beta)}
 407                 ..z9l{dir(beta)}..z8l{up}..z7l{left}..z6l{dir(alpha-90)}
 408                 ..z5l{dir(alpha-90)}..tension t..z4l{left}..z3l{up}
 409                 ..z2l{dir(beta)}..cycle;
 410 fet_endchar;
 411
 412 fet_beginchar("Numeral 9", "9", "nine")
 413         draw_six;
 414 %       xy_mirror_char;
 415         currentpicture := currentpicture scaled -1;
 416         currentpicture := currentpicture shifted (w,h);
 417 fet_endchar;
 418
 419 fet_endgroup("nummer")
 420