mf/parmesan-heads.mf

   1 % -*-Fundamental-*-
   2 % parmesan-heads.mf -- implement ancient note heads
   3 %
   4 % source file of LilyPond's pretty-but-neat music font
   5 %
   6 % (c) 2001--2002 Juergen Reuter <reuter@ipd.uka.de>
   7 %
   8
   9 save black_notehead_width;
  10 numeric black_notehead_width;
  11
  12 fet_begingroup ("noteheads")
  13
  14 noteheight#:=staff_space#+ (1 + overdone_heads) *stafflinethickness#;
  15 define_pixels(noteheight);
  16
  17
  18 %%%%%%%%
  19 %
  20 %
  21 %
  22 % MENSURAL NOTATION
  23 %
  24 %
  25 %
  26 brevis_wid# := 2 staff_space#;
  27
  28 def draw_brevis(expr brevwid) =
  29         save beamheight, head_width;
  30         save holeheight, stem_width;
  31         save serif_size, serif_protrude;
  32
  33         head_width# = brevwid;
  34         holeheight = 3 stafflinethickness;
  35         stem_width = 1.4 stafflinethickness;
  36
  37
  38         define_pixels(head_width);
  39         set_char_box(0, head_width#, noteheight#/2, noteheight#/2);
  40
  41         2 beamheight + holeheight = noteheight;
  42         serif_size = (holeheight - stafflinethickness)/2;
  43         serif_protrude = 1.5 serif_size;
  44         penpos1(stem_width, 0);
  45         penpos2(stem_width, 0);
  46         penpos3(beamheight, 90);
  47         penpos4(beamheight, 90);
  48         penpos5(stem_width, 180);
  49
  50         z1l = (0, 0);
  51         z2l = (0, -stafflinethickness/2);
  52         z3r = z2r + serif_size *(1,-1);
  53         y4r = y3r;
  54         x4r = head_width/2;
  55         z5l = z3l + (-serif_size, -serif_protrude);
  56
  57         penlabels(1,2,3,4, 5);
  58         fill z1r -- z1l -- z5r{down} .. z5l{up} .. z3l{right}
  59                 -- z4l -- z4r -- z3r{left} .. z2r{up} -- cycle;
  60
  61         addto currentpicture also currentpicture yscaled -1;
  62         show z4r; show z4l;
  63         addto currentpicture also currentpicture
  64                 shifted (-x4r,0) xscaled -1 shifted (x4l,0);
  65
  66 enddef;
  67
  68
  69 %
  70 % Some sources (eg Musix/OpusTeX think that the appendage should be on
  71 % the left, some say right. Right wins democratically.
  72 %
  73 def draw_longa (expr wid) =
  74         draw_brevis(wid);
  75         save theta;
  76
  77         x7r = head_width;
  78         y7 = y5;
  79 %       z7 = z5;
  80         z6 - z7 = (stem_width/2, -staff_space);
  81         theta = angle(z6-z7)+ 90;
  82         penpos7(stem_width, theta);
  83         penpos6(1.2 stem_width, theta);
  84
  85         fill z7r .. z6r{z6-z7} .. {z7-z6} z6l -- z7l -- cycle;
  86         penlabels(6,7);
  87 enddef;
  88
  89 %
  90 % En wij presenteren U: de opvolgster van Emily
  91 %
  92 % (ze is wel breed)
  93 %
  94 fet_beginchar("Maxima notehead", "-3mensural", "mensuralmaximahead");
  95         draw_longa (1.3 brevis_wid#)
  96 fet_endchar;
  97
  98 fet_beginchar("Longa notehead", "-2mensural", "mensurallongahead");
  99         draw_longa (brevis_wid#)
 100 fet_endchar;
 101
 102 fet_beginchar("Brevis notehead", "-1mensural", "mensuralbrevishead")
 103         draw_brevis(brevis_wid#);
 104 fet_endchar;
 105
 106 def draw_neo_mensural_black_head (expr wid) =
 107         save head_width;
 108         head_width# = wid;
 109         set_char_box (0, head_width#, noteheight#/2, noteheight#/2);
 110
 111
 112         y3 = y1 =0;
 113         x2 = x4 = (x1 + x3) /2;
 114         define_pixels (head_width);
 115         pickup pencircle scaled blot_diameter;
 116         top y2 = h;
 117         bot y4 = -d;
 118         lft x1 = 0;
 119         rt x3 = w;
 120
 121         filldraw z1 -- z2 -- z3 -- z4 -- cycle;
 122 enddef;
 123
 124 def draw_neo_mensural_open_head (expr wid)=
 125         draw_neo_mensural_black_head (wid);
 126         save diamNW, diamSW;
 127         diamNW = length (z2 - z1) + blot_diameter;
 128         diamSW = length (z4 - z1) + blot_diameter;
 129
 130         save hole_widthNW, hole_widthSW;
 131         hole_widthNW = 0.34 diamNW ;
 132         hole_widthSW + 2.6 stafflinethickness = diamSW;
 133
 134         (z7 + z5)/2 = (w/2, 0);
 135         (z8 + z6)/2 = (w/2, 0);
 136         (z6 - z5) = hole_widthNW * unitvector (z2 - z1);
 137         (z7 - z6) = hole_widthSW * unitvector (z4 - z1);
 138
 139         labels (1,2,3,4,5,6,7,8);
 140
 141         unfill z5 -- z6 -- z7 -- z8 --cycle;
 142 enddef;
 143
 144 fet_beginchar("Neo-mensural open head","0neo_mensural","neomensuralminimhead")
 145       draw_neo_mensural_open_head (staff_space#);
 146 fet_endchar;
 147
 148 fet_beginchar("Neo-mensural open head","1neo_mensural","neomensuralsemiminimhead")
 149       draw_neo_mensural_open_head (staff_space#);
 150 fet_endchar;
 151
 152 fet_beginchar("Neo-mensural black head","2neo_mensural","neofusahead")
 153       draw_neo_mensural_black_head (staff_space#);
 154 fet_endchar;
 155
 156
 157 def draw_mensural_head (expr wid, open) =
 158       save head_width;
 159       head_width# = wid;
 160       set_char_box (head_width#/2, head_width#/2,
 161                     noteheight#/2, noteheight#/2);
 162
 163       define_pixels(head_width, noteheight);
 164
 165       x1 = -x3;
 166       y1 = x2 = y3 = x4 = 0;
 167       y4 = -y2;
 168       y2 = 1.4 noteheight/2;
 169       tand(30) = x3 / y2;
 170
 171       pickup pencircle
 172              xscaled 0.15 head_width
 173              yscaled 0.30 head_width
 174              rotated -30;
 175
 176       % pencircle width correction
 177       save zc, zd; pair zc, zd;
 178       zc = (+0.150 head_width * sind(30), +0.150 head_width * cosd(30));
 179       zd = (+0.075 head_width * sind(30), -0.075 head_width * cosd(30));
 180
 181       if open:
 182               draw (z1+zc+zd) -- (z2-zc+zd) --
 183                    (z3-zc-zd) -- (z4+zc-zd) -- cycle;
 184       else:
 185               filldraw (z1+zc+zd) -- (z2-zc+zd) --
 186                        (z3-zc-zd) -- (z4+zc-zd) -- cycle;
 187       fi;
 188 enddef;
 189
 190
 191 fet_beginchar("Mensural open head","0mensural","mensuralminimhead")
 192         draw_mensural_head (staff_space#, true);
 193 fet_endchar;
 194
 195 fet_beginchar("Mensural open head","1mensural","mensuralsemiminimhead")
 196         draw_mensural_head (staff_space#, true);
 197 fet_endchar;
 198
 199 fet_beginchar("Mensural black head","2mensural","fusahead")
 200         draw_mensural_head (staff_space#, false);
 201 fet_endchar;
 202
 203
 204 %%%%%%%%%%%%
 205 %
 206 %
 207 % ledger (leger) lines
 208 %
 209 fet_beginchar("Ledger ending", "ledgerending", "ledgerending")
 210 set_char_box (5/2 ledgerlinethickness#, 5/2 ledgerlinethickness#,
 211                 ledgerlinethickness#/2,ledgerlinethickness#/2);
 212         pickup pencircle scaled 1.3 blot_diameter;
 213
 214         rt x2 = w;
 215         lft x1 = -b;
 216         x3 = x2;
 217         bot y1 = -d;
 218         y2 = y1;
 219
 220         top y3 = h;
 221         y4 = y3;
 222         x4 = x1;
 223
 224         filldraw z1 --- z2 --- z3 --- z4 --- cycle ;
 225 fet_endchar;
 226
 227
 228 %%%%%%%%
 229 %
 230 %
 231 %
 232 % EDITIO VATICANA (including solesmes extensions)
 233 %
 234 %
 235 %
 236
 237 % parameterized punctum
 238 def punctum_char (expr verbose_name, internal_name, mudela_name,
 239                   left_stem, right_stem, linea, cavum,
 240                   straight, auctum, direction_up, excentric, up_shift, mag) =
 241
 242         fet_beginchar(verbose_name, internal_name, mudela_name)
 243                 save b_h, a_w;
 244                 a_b := 1.54; % b_h*a_b/a_w = wd/ht
 245                 b_h := 0.85;
 246                 a_w := 1.09;
 247
 248                 save a, beta, ht, wd;
 249                 ht# = noteheight# * mag;
 250                 2beta# = ht# * b_h;
 251                 a# = beta# * a_b;
 252                 wd# = 2a# / a_w;
 253                 set_char_box(0.50wd#, 0.10wd#, 0.5ht#, 0);
 254                 black_notehead_width# := wd#;
 255
 256                 % direction
 257                 save direction, direction_sign;
 258                 pair direction;
 259                 if direction_up:
 260                         direction = up;
 261                         direction_sign# = 1;
 262                 else:
 263                         direction = down;
 264                         direction_sign# = -1;
 265                 fi;
 266
 267                 % convexity and excentricity
 268                 save u_convexity, u_excentricity;
 269                 if straight:
 270                         u_convexity# = -0.01ht#;
 271                         u_excentricity# = 0.0ht#; % dummy
 272                 elseif auctum:
 273                         u_convexity# = -0.03ht#;
 274                         u_excentricity# = +0.25ht#;
 275                 else:
 276                         u_convexity# = -0.05ht#;
 277                         u_excentricity# = 0.0ht#; % dummy
 278                 fi;
 279                 save convexity, excentricity;
 280                 convexity# = direction_sign# * u_convexity#;
 281                 excentricity# = direction_sign# * u_excentricity#;
 282
 283                 % y shift offset
 284                 save yoffs;
 285                 if up_shift:
 286                         yoffs# = 0.08ht#;
 287                 else:
 288                         yoffs# = 0.00ht#;
 289                 fi
 290
 291                 define_pixels(convexity, excentricity, yoffs, ht, wd);
 292                 pickup pencircle scaled stafflinethickness;
 293
 294                 path p;
 295                 save height, yoffs_bt;
 296                 define_pixels (height, yoffs_bt);
 297                 height# = max (0.5ht# - stafflinethickness#, 0);
 298                 yoffs_bt# = yoffs# - (height# - stafflinethickness#)/2 -
 299                             convexity#;
 300                 xpart z1a = xpart z1b;
 301                 xpart z2a = xpart z2b;
 302                 xpart z3a = xpart z3b;
 303                 ypart z1a + height = ypart z1b;
 304                 ypart z2a + height = ypart z2b;
 305                 ypart z3a + height = ypart z3b;
 306
 307                 if auctum:
 308                         z1a = (0.00wd + stafflinethickness/2, yoffs_bt);
 309                         z2a = (0.20wd, yoffs_bt + 1.0*convexity);
 310                         z3a = (0.40wd - stafflinethickness/2,
 311                                yoffs_bt + 1.0*excentricity);
 312                         p = z1a .. {right}z2a .. {direction}z3a --
 313                             z3b{-direction} .. z2b{left} .. z1b -- cycle;
 314                 elseif excentric:
 315                         z1a = (0.00wd + stafflinethickness/2,
 316                                yoffs_bt - 1.0*convexity);
 317                         z2a = (0.08wd, yoffs_bt + 1.4*convexity);
 318                         z3a = (0.40wd - stafflinethickness/2, yoffs_bt);
 319                         p = z1a{direction} .. z2a{right} .. z3a --
 320                             z3b .. {left}z2b .. {-direction}z1b -- cycle;
 321                 else:
 322                         z1a = (0.00wd + stafflinethickness/2, yoffs_bt);
 323                         z2a = (0.20wd, yoffs_bt + 1.0*convexity);
 324                         z3a = (0.40wd - stafflinethickness/2, yoffs_bt);
 325                         p = z1a .. z2a .. z3a --
 326                             z3b .. z2b .. z1b -- cycle;
 327                 fi;
 328
 329                 if cavum:
 330                         draw p;
 331                 else:
 332                         filldraw p;
 333                 fi;
 334
 335
 336                 pickup pencircle scaled stafflinethickness;
 337
 338                 if left_stem:
 339                         z5=(0.00wd + stafflinethickness/2, yoffs);
 340                         z6=(0.00wd + stafflinethickness/2, yoffs - 1.5ht);
 341                         draw z5 -- z6;
 342                 fi;
 343
 344                 if right_stem:
 345                         z5=(0.40wd - stafflinethickness/2, yoffs);
 346                         z6=(0.40wd - stafflinethickness/2, yoffs - 1.5ht);
 347                         draw z5 -- z6;
 348                 fi;
 349
 350                 if linea:
 351                         save linea_width, linea_height;
 352                         linea_width# = stafflinethickness#;
 353                         linea_height# = 0.85 ht#;
 354                         define_pixels (linea_width, linea_height);
 355                         draw_block ((-0.10wd - linea_width/2,
 356                                      yoffs - linea_height/2),
 357                                     (-0.10wd + linea_width/2,
 358                                      yoffs + linea_height/2));
 359                         draw_block ((+0.50wd - linea_width/2,
 360                                      yoffs - linea_height/2),
 361                                     (+0.50wd + linea_width/2,
 362                                      yoffs + linea_height/2));
 363                 fi;
 364         fet_endchar;
 365 enddef;
 366
 367 % parameterized punctum inclinatum
 368 def inclinatum_char(expr verbose_name, internal_name, mudela_name,
 369                     small, stropha, auctum) =
 370
 371         fet_beginchar(verbose_name, internal_name, mudela_name)
 372
 373                 save b_h, a_w;
 374                 a_b := 1.54; % b_h*a_b/a_w = wd/ht
 375                 b_h := 0.85;
 376                 a_w := 1.09;
 377
 378                 save a, beta, ht, wd;
 379                 ht# = noteheight#;
 380                 2beta# = ht# * b_h;
 381                 a# = beta# * a_b;
 382                 wd# = 2a# / a_w;
 383                 set_char_box(0.3wd#, 0.3wd#, 0.5 ht#, 0.5 ht#);
 384                 black_notehead_width# := wd#;
 385
 386                 save za, alpha, size;
 387                 pair za;
 388                 alpha = 35;
 389                 define_pixels(ht, wd);
 390
 391                 if small:
 392                         size# = 0.23ht#;
 393                 else:
 394                         size# = 0.45ht#;
 395                 fi;
 396
 397                 define_pixels(size);
 398
 399                 pickup pencircle
 400                         xscaled blot_diameter
 401                         yscaled size rotated -alpha;
 402                 za = (0, size - blot_diameter/2) / 2 rotated alpha;
 403                 draw -za .. za;
 404
 405                 if stropha:
 406                         pickup pencircle
 407                                 xscaled (size/3)
 408                                 yscaled size rotated alpha;
 409                         save za, off_angle; pair za;
 410                         off_angle := 15;
 411                         za = (0, -size) / 2 rotated -(alpha + off_angle);
 412                         undraw za;
 413                 fi;
 414
 415                 if auctum:
 416                         pickup pencircle scaled stafflinethickness;
 417                         save za, zb;
 418                         pair za, zb;
 419                         za = ((0, -size) rotated -alpha) +
 420                              (0, stafflinethickness/2);
 421                         xpart zb = 0;
 422                         ypart zb = ypart za;
 423                         draw za{(0,-1) rotated alpha} ..
 424                              {(0,1) rotated -alpha}zb;
 425                 fi;
 426         fet_endchar;
 427 enddef;
 428
 429 % punctum
 430 punctum_char("Ed. Vat. punctum", "0vaticana_punctum", "vatpunctumhead",
 431              false, false, false, false, false,
 432              false, false, false, false, 1.0);
 433
 434 % punctum cavum (for OpusTeX compatibility)
 435 %punctum_char("Ed. Vat. punctum cavum", "0vaticana_punctum_cavum",
 436 %            "vatpunctumcavumhead",
 437 %            false, false, false, true, false,
 438 %            false, false, false, false, 1.0);
 439
 440 % linea punctum (for OpusTeX compatibility)
 441 %punctum_char("Ed. Vat. linea punctum", "0vaticana_linea_punctum",
 442 %            "vatlineapunctumhead",
 443 %            false, false, true, false, false,
 444 %            false, false, false, false, 1.0);
 445
 446 % linea punctum cavum (for OpusTeX compatibility)
 447 %punctum_char("Ed. Vat. linea punctum cavum", "0vaticana_linea_punctum_cavum",
 448 %            "vatlineapunctumcavumhead",
 449 %            false, false, true, true, false,
 450 %            false, false, false, false, 1.0);
 451
 452 % punctum inclinatum
 453 inclinatum_char("Ed. Vat. inclinatum", "0vaticana_inclinatum",
 454                 "vatinclinatumhead",
 455                 false, false, false);
 456
 457 % virga (i.e. right stemmed punctum)
 458 punctum_char("Ed. Vat. virga", "0vaticana_virga", "vatvirgahead",
 459              false, true, false, false, false,
 460              false, false, false, false, 1.0);
 461
 462 % left stemmed punctum as used in clivis (flexa) ligature
 463 punctum_char("Ed. Vat. reverse virga", "0vaticana_rvirga", "vatrvirgahead",
 464              true, false, false, false, false,
 465              false, false, false, false, 1.0);
 466
 467 % pes lower punctum
 468 punctum_char("Ed. Vat. pes lower punctum", "0vaticana_lpes", "vatlpeshead",
 469              false, false, false, false, true,
 470              false, true, false, false, 1.0);
 471
 472 % pes upper punctum
 473 punctum_char("Ed. Vat. pes upper punctum", "0vaticana_upes", "vatupeshead",
 474              false, false, false, false, true,
 475              false, false, false, false, 1.0);
 476
 477 % pes upper punctum (shifted variation)
 478 %
 479 % Note: This note head is used instead of the regular pes upper
 480 % punctum to avoid collision with the lower punctum note of the pes when
 481 % the upper punctum sits directly on top of the lower punctum.
 482 %
 483 punctum_char("Ed. Vat. var pes upper punctum", "0vaticana_vupes",
 484              "vatvupeshead",
 485              false, false, false, false, true,
 486              false, false, false, true, 1.0);
 487
 488 % small punctum as used in epiphonus/cephalicus
 489 punctum_char("Ed. Vat. plica", "0vaticana_plica", "vatplicahead",
 490              false, false, false, false, true,
 491              false, false, false, false, 0.5);
 492
 493 % excentric punctum as used in epiphonus
 494 punctum_char("Ed. Vat. epiphonus", "0vaticana_epiphonus", "vatepiphonushead",
 495              false, false, false, false, false,
 496              false, true, true, false, 1.0);
 497
 498 % excentric punctum as used in cephalicus
 499 punctum_char("Ed. Vat. cephalicus", "0vaticana_cephalicus",
 500              "vatcephalicushead",
 501              false, false, false, false, false,
 502              false, false, true, false, 1.0);
 503
 504 % quilisma
 505 fet_beginchar("Ed. Vat. quilisma", "0vaticana_quilisma", "vatquilismahead")
 506         save b_h,a_w;
 507         a_b:=1.54; % b_h*a_b/a_w = wd/ht
 508         b_h:=0.85;
 509         a_w:=1.09;
 510
 511         save a, beta, ht, wd;
 512         ht# = noteheight#;
 513         2beta# = ht#*b_h;
 514         a# = beta#*a_b;
 515         wd# = 2a# / a_w;
 516         set_char_box(0.4wd#, 0.00wd#, 0.5 ht#, 0.5 ht#);
 517         black_notehead_width# := wd#;
 518
 519         define_pixels(ht, wd);
 520         pickup pencircle xscaled stafflinethickness yscaled 0.4ht;
 521         z1 = (0.00wd, -0.11ht);
 522         z2 = (0.00wd, +0.06ht);
 523         z3 = (0.10wd, -0.05ht);
 524         z4 = (0.16wd, +0.11ht);
 525         z5 = (0.24wd, -0.01ht);
 526         z6 = (0.30wd, +0.15ht);
 527         z7 = (0.40wd, +0.04ht);
 528         z8 = (0.40wd, +0.21ht);
 529         draw z1 -- z2 -- z3 -- z4 -- z5 -- z6 -- z7 -- z8;
 530 fet_endchar;
 531
 532 % solesmes punctum inclinatum parvum
 533 %inclinatum_char("Solesmes punctum inclinatum parvum", "0solesmes_incl_parvum",
 534 %               "solinclparvumhead",
 535 %               true, false, false);
 536
 537 % solesmes punctum auctum ascendens
 538 %punctum_char("Solesmes punctum auctum ascendens", "0solesmes_auct_asc",
 539 %            "solauctaschead",
 540 %            false, false, false, false, false,
 541 %            true, true, false, false, 1.0);
 542
 543 % solesmes punctum auctum descendens
 544 %punctum_char("Solesmes punctum auctum descendens", "0solesmes_auct_desc",
 545 %            "solauctdeschead",
 546 %            false, false, false, false, false,
 547 %            true, false, false, false, 1.0);
 548
 549 % solesmes punctum inclinatum auctum
 550 %inclinatum_char("Solesmes punctum incl. auctum", "0solesmes_incl_auctum",
 551 %               "solpunctuminclinatumauctumhead",
 552 %               false, false, true);
 553
 554 % solesmes stropha
 555 %inclinatum_char("Solesmes stropha", "0solesmes_stropha",
 556 %               "solstrophahead",
 557 %               false, true, false);
 558
 559 % solesmes stropha aucta
 560 %inclinatum_char("Solesmes stropha aucta", "0solesmes_stropha_aucta",
 561 %               "solstrophaauctahead",
 562 %               false, true, true);
 563
 564 % solesmes oriscus
 565 fet_beginchar("Solesmes oriscus", "0solesmes_oriscus",
 566         "soloriscushead")
 567         save b_h, a_w;
 568         a_b := 1.54; % b_h*a_b/a_w = wd/ht
 569         b_h := 0.85;
 570         a_w := 1.09;
 571
 572         save a, beta, ht, wd;
 573         ht# = noteheight# * mag;
 574         2beta# = ht# * b_h;
 575         a# = beta# * a_b;
 576         wd# = 2a# / a_w;
 577         set_char_box(0.5wd#, 0.0wd#, 0.5ht#, 0.5ht#);
 578         black_notehead_width# := wd#;
 579
 580         save convexity;
 581         convexity# = +0.05ht#;
 582
 583         define_pixels(ht, wd, convexity);
 584         pickup pencircle xscaled blot_diameter yscaled 0.50ht;
 585         z1 = (0.00wd, -convexity);
 586         z2 = (0.16wd, +convexity);
 587         z3 = (0.33wd, -convexity);
 588         z4 = (0.50wd, +convexity);
 589         draw z1 .. z2 .. z3 .. z4;
 590 fet_endchar;
 591
 592 %%%%%%%%
 593 %
 594 %
 595 %
 596 % EDITIO MEDICAEA
 597 %
 598 %
 599 %
 600
 601 % inclinatum
 602 fet_beginchar("Ed. Med. inclinatum", "0medicaea_inclinatum",
 603         "medinclinatumhead")
 604         save b_h, a_w;
 605         a_b := 1.54; % b_h*a_b/a_w = wd/ht
 606         b_h := 0.85;
 607         a_w := 1.09;
 608
 609         save a, beta, ht, wd;
 610         ht# = noteheight#;
 611         2beta# = ht# * b_h;
 612         a# = beta# * a_b;
 613         wd# = 2a# / a_w;
 614         set_char_box(wd#/2, wd#/2, 0.5 ht#, 0.5 ht#);
 615         black_notehead_width# := wd#;
 616
 617         save za, alpha, size;
 618         pair za;
 619         define_pixels(ht, wd);
 620         alpha = 35;
 621         size = 0.7ht;
 622         pickup pencircle
 623                 xscaled blot_diameter
 624                 yscaled size rotated -alpha;
 625         za = (0, size) / 2 rotated alpha;
 626         draw -za .. za;
 627
 628 fet_endchar;
 629
 630 % parametrized punctum
 631 def punctum_char (expr verbose_name, internal_name, mudela_name,
 632         left_up_stem, left_down_stem) =
 633
 634         fet_beginchar(verbose_name, internal_name, mudela_name)
 635
 636                 save a, beta, ht, wd;
 637                 ht# = 2 staff_space#;
 638                 wd# = ht#;
 639                 set_char_box(0.0, 0.4wd#, 0.5ht#, 0.5ht#);
 640                 black_notehead_width# := wd#;
 641
 642                 define_pixels(ht, wd);
 643                 pickup pencircle
 644                         xscaled blot_diameter
 645                         yscaled 0.50ht;
 646                 z1 = (0.00wd + blot_diameter/2, 0);
 647                 z2 = (0.40wd - blot_diameter/2, 0);
 648                 draw z1 .. z2;
 649
 650                 pickup pencircle
 651                         xscaled stafflinethickness
 652                         yscaled blot_diameter;
 653
 654                 if left_down_stem:
 655                         z4=(0.00wd + stafflinethickness/2, blot_diameter/2);
 656                         z5=(0.00wd + stafflinethickness/2, - 1.25ht);
 657                         draw z4 .. z5;
 658                 elseif left_up_stem:
 659                         z4=(0.00wd + stafflinethickness/2, blot_diameter/2);
 660                         z5=(0.00wd + stafflinethickness/2, + 1.25ht);
 661                         draw z4 .. z5;
 662                 fi;
 663
 664         fet_endchar;
 665 enddef;
 666
 667 % punctum
 668 punctum_char("Ed. Med. punctum", "0medicaea_punctum", "medpunctumhead",
 669         false, false);
 670
 671 % left up-stemmed punctum
 672 punctum_char("Ed. Med. reverse virga", "0medicaea_rvirga", "medrvirgahead",
 673         true, false);
 674
 675 % virga (i.e. left down-stemmed punctum)
 676 punctum_char("Ed. Med. virga", "0medicaea_virga", "medvirgahead",
 677         false, true);
 678
 679 %%%%%%%%
 680 %
 681 %
 682 %
 683 % HUFNAGEL
 684 %
 685 %
 686 %
 687
 688 % punctum
 689 % parametrized punctum
 690 def punctum_char (expr verbose_name, internal_name, mudela_name,
 691         down_stem) =
 692
 693         fet_beginchar(verbose_name, internal_name, mudela_name)
 694                 save b_h, a_w;
 695                 a_b := 1.54; % b_h*a_b/a_w = wd/ht
 696                 b_h := 0.85;
 697                 a_w := 1.09;
 698
 699                 save a, beta, ht, wd;
 700                 ht# = noteheight#;
 701                 2beta# = ht# * b_h;
 702                 a# = beta# * a_b;
 703                 wd# = 2a# / a_w;
 704                 set_char_box(wd#/2, wd#/2, 0.5 ht#, 0.5 ht#);
 705                 black_notehead_width# := wd#;
 706
 707                 save za, zb, zc, alpha, size;
 708                 pair za, zb, zc;
 709                 define_pixels(ht, wd);
 710                 alpha = 55;
 711                 size = 0.7ht;
 712                 pickup pencircle
 713                         xscaled blot_diameter
 714                         yscaled size rotated -alpha;
 715                 za = (0, size) / 2 rotated alpha;
 716                 draw -za .. za;
 717
 718                 if down_stem:
 719                         zb = (0.00wd, 0);
 720                         zc = (0.00wd, - 1.25ht);
 721                         draw zb -- zc;
 722                 fi;
 723         fet_endchar;
 724 enddef;
 725
 726 % punctum
 727 punctum_char("Hufnagel punctum", "0hufnagel_punctum", "hufpunctumhead", false)
 728
 729 % virga
 730 punctum_char("Hufnagel virga", "0hufnagel_virga", "hufvirgahead", true)
 731
 732 % pes lower punctum
 733 fet_beginchar("Hufnagel pes lower punctum", "0hufnagel_lpes", "huflpeshead")
 734         save b_h, a_w;
 735         a_b := 1.54; % b_h*a_b/a_w = wd/ht
 736         b_h := 0.85;
 737         a_w := 1.09;
 738
 739         save a, beta, ht, wd;
 740         ht# = noteheight#;
 741         2beta# = ht# * b_h;
 742         a# = beta# * a_b;
 743         wd# = 2a# / a_w;
 744         set_char_box(wd#, wd#, 0.7 ht#, 0.7 ht#);
 745         black_notehead_width# := wd#;
 746
 747         save za, alpha, size;
 748         pair za;
 749         define_pixels(ht, wd);
 750         alpha = 35;
 751         size = 0.7ht;
 752         pickup pencircle
 753                 xscaled blot_diameter
 754                 yscaled size rotated -alpha;
 755         za = (size, 0);
 756         draw -za .. za;
 757 fet_endchar;
 758
 759 fet_endgroup ("noteheads")