mf/parmesan-heads.mf

   1 % -%-Fundamental-%- -*-Metafont-*-
   2 % parmesan-heads.mf -- implement ancient note heads
   3 %
   4 % source file of LilyPond's pretty-but-neat music font
   5 %
   6 % (c) 2001--2006 Juergen Reuter <reuter@ipd.uka.de>
   7 %
   8 % Neo-mensural heads originally by
   9 % Christian Mondrup and Mats Bengtsson
  10 %
  11
  12 save black_notehead_width;
  13 numeric black_notehead_width;
  14
  15 fet_begingroup ("noteheads")
  16
  17 %
  18 % character aligment:
  19 %
  20 %   The head is assumed to be vertically centered around (0, 0).
  21 %   The left-most edge of the head should touch the vertical line
  22 %   that goes though the point (0, 0).
  23 %
  24 % set_char_box() conventions:
  25 %
  26 % * breapth: Ignored (as far as I know).  Should be set to 0.
  27 %
  28 % * width: Should match the head's width.
  29 %
  30 % * depth: Should match the bottom edge of the head.  Affects vertical
  31 %   collision handling.
  32 %
  33 % * height: Should match the top edge of the head.  Affects vertical
  34 %   collision handling.
  35 %
  36 % TODO: should depth/height include appendages/stems?
  37
  38 overdone_heads = 0;
  39 noteheight# := staff_space# + (1 + overdone_heads)*stafflinethickness#;
  40 define_pixels(noteheight);
  41
  42
  43 %%%%%%%%
  44 %
  45 %
  46 %
  47 % MENSURAL NOTATION
  48 %
  49 %
  50 %
  51
  52 def draw_neomensural_brevis(expr brevwid) =
  53         save beamheight, head_width;
  54         save holeheight, stem_width;
  55         save serif_size, serif_protrude;
  56
  57         head_width# = brevwid;
  58         holeheight = 3 stafflinethickness;
  59         stem_width = 1.4 stafflinethickness;
  60
  61
  62         define_pixels(head_width);
  63         set_char_box(0, head_width#, noteheight#/2, noteheight#/2);
  64
  65         2 beamheight + holeheight = noteheight;
  66         serif_size = (holeheight - stafflinethickness)/2;
  67         serif_protrude = 1.5 serif_size;
  68         penpos1(stem_width, 0);
  69         penpos2(stem_width, 0);
  70         penpos3(beamheight, 90);
  71         penpos4(beamheight, 90);
  72         penpos5(stem_width, 180);
  73
  74         z1l = (0, 0);
  75         z2l = (0, -stafflinethickness/2);
  76         z3r = z2r + serif_size *(1,-1);
  77         y4r = y3r;
  78         x4r = head_width/2;
  79         z5l = z3l + (-serif_size, -serif_protrude);
  80
  81         penlabels(1,2,3,4, 5);
  82         fill z1r -- z1l -- z5r{down} .. z5l{up} .. z3l{right}
  83                 -- z4l -- z4r -- z3r{left} .. z2r{up} -- cycle;
  84
  85         addto currentpicture also currentpicture yscaled -1;
  86         addto currentpicture also currentpicture
  87                 shifted (-x4r,0) xscaled -1 shifted (x4l,0);
  88
  89 enddef;
  90
  91
  92 %%% This head does not seem to be used anywhere.  Junk me?  -- jr
  93 def draw_neomensural_left_stemmed_head (expr wid) =
  94         draw_neomensural_brevis(wid);
  95
  96         x6 = x7 = stem_width/2;
  97         y6 = y5;
  98         y7 = y5 - 2.25 staff_space;
  99         pickup pencircle scaled stem_width;
 100         draw z6 .. z7;
 101 enddef;
 102
 103 %%% This head does not seem to be used anywhere.  Junk me?  -- jr
 104 fet_beginchar("Left stemmed notehead", "slneomensural");
 105         draw_neomensural_left_stemmed_head (2 staff_space#);
 106 fet_endchar;
 107
 108 %
 109 % Some sources (eg. Musix/OpusTeX) think that the appendage should be on
 110 % the left, some say right. Right wins democratically.
 111 %
 112 def draw_neomensural_longa (expr wid) =
 113         draw_neomensural_brevis(wid);
 114         save theta;
 115
 116         x7r = head_width;
 117         y7 = y5;
 118 %       z7 = z5;
 119         z6 - z7 = (stem_width/2, -staff_space);
 120         theta = angle(z6-z7)+ 90;
 121         penpos7(stem_width, theta);
 122         penpos6(1.2 stem_width, theta);
 123
 124         fill z7r .. z6r{z6-z7} .. {z7-z6} z6l -- z7l -- cycle;
 125         penlabels(6,7);
 126 enddef;
 127
 128 %
 129 % En wij presenteren U: de opvolgster van Emily
 130 %
 131 % (ze is wel breed)
 132 %
 133 fet_beginchar("Neo-mensural maxima notehead", "s-3neomensural");
 134         draw_neomensural_longa (2.6 staff_space#)
 135 fet_endchar;
 136
 137 fet_beginchar("Neo-mensural longa notehead", "s-2neomensural");
 138         draw_neomensural_longa (2 staff_space#)
 139 fet_endchar;
 140
 141 fet_beginchar("Neo-mensural brevis notehead", "s-1neomensural")
 142         draw_neomensural_brevis(2 staff_space#);
 143 fet_endchar;
 144
 145 def draw_neomensural_black_head (expr wid, height) =
 146         save head_width;
 147         head_width# = wid;
 148         set_char_box (0, head_width#, height/2, height/2);
 149
 150         charwx := head_width# / 2;
 151         charwy := height / 2;
 152
 153         y3 = y1 =0;
 154         x2 = x4 = (x1 + x3) /2;
 155         define_pixels (head_width);
 156         pickup pencircle scaled blot_diameter;
 157         top y2 = h;
 158         bot y4 = -d;
 159         lft x1 = 0;
 160         rt x3 = w;
 161
 162         filldraw z1 -- z2 -- z3 -- z4 -- cycle;
 163 enddef;
 164
 165 def draw_neomensural_open_head (expr wid, height)=
 166         draw_neomensural_black_head (wid, height);
 167         save diamNW, diamSW;
 168         diamNW = length (z2 - z1) + blot_diameter;
 169         diamSW = length (z4 - z1) + blot_diameter;
 170
 171         save hole_widthNW, hole_widthSW;
 172         hole_widthNW = 0.34 diamNW ;
 173         hole_widthSW + 2.6 linethickness = diamSW;
 174
 175         (z7 + z5)/2 = (w/2, 0);
 176         (z8 + z6)/2 = (w/2, 0);
 177         (z6 - z5) = hole_widthNW * unitvector (z2 - z1);
 178         (z7 - z6) = hole_widthSW * unitvector (z4 - z1);
 179
 180         labels (1,2,3,4,5,6,7,8);
 181
 182         unfill z5 -- z6 -- z7 -- z8 --cycle;
 183 enddef;
 184
 185 %
 186 % WL says the thin lines should be thinner.
 187 %
 188 fet_beginchar("Harmonic notehead (Neo-mensural open)",
 189               "s0harmonic")
 190         draw_neomensural_open_head (1.3 staff_space#, 1.3 noteheight#);
 191         charwx := head_width#;
 192         charwy := 0;
 193 fet_endchar;
 194
 195 fet_beginchar("Neo-mensural semibrevis head","s0neomensural")
 196       draw_neomensural_open_head (staff_space#, noteheight#);
 197 fet_endchar;
 198
 199 fet_beginchar("Neo-mensural minima head","s1neomensural")
 200       draw_neomensural_open_head (staff_space#, noteheight#);
 201 fet_endchar;
 202
 203 fet_beginchar("Neo-mensural semiminima head","s2neomensural")
 204       draw_neomensural_black_head (staff_space#, noteheight#);
 205 fet_endchar;
 206
 207 def draw_mensural_brevis (expr wid) =
 208         % TODO.  For the moment, fall back to draw_neomensural_brevis.
 209         draw_neomensural_brevis(wid);
 210 enddef;
 211
 212 %%% This head does not seem to be used anywhere.  Junk me?  -- jr
 213 def draw_mensural_left_stemmed_head (expr wid) =
 214         draw_mensural_brevis(wid);
 215         x6 = x7 = stem_width/2;
 216         y6 = y5;
 217         y7 = y5 - 2.25staff_space;
 218         pickup pencircle scaled stem_width;
 219         draw z6 .. z7;
 220 enddef;
 221
 222 def draw_mensural_longa (expr wid) =
 223         draw_mensural_brevis(wid);
 224         x6 = x7 = head_width - stem_width/2;
 225         y6 = y5;
 226         y7 = y5 - 2.25staff_space;
 227         pickup pencircle scaled stem_width;
 228         draw z6 .. z7;
 229 enddef;
 230
 231 %%% This head does not seem to be used anywhere.  Junk me?  -- jr
 232 fet_beginchar("Mensural left stemmed notehead", "slmensural");
 233         draw_mensural_left_stemmed_head (staff_space#)
 234 fet_endchar;
 235
 236 fet_beginchar("Mensural maxima notehead", "s-3mensural");
 237         draw_mensural_longa (2.0 staff_space#)
 238 fet_endchar;
 239
 240 fet_beginchar("Mensural longa notehead", "s-2mensural");
 241         draw_mensural_longa (staff_space#)
 242 fet_endchar;
 243
 244 fet_beginchar("Mensural brevis notehead", "s-1mensural")
 245         draw_mensural_brevis(staff_space#);
 246 fet_endchar;
 247
 248 def draw_diamond_head (expr head_h, pen_w, pen_h, angle, open) =
 249       save head_width, head_height;
 250       head_height# = head_h;
 251       head_width# / head_height# = tand(angle);
 252
 253       set_char_box (0, head_width#,
 254         head_height#/2, head_height#/2);
 255
 256       charwx := head_width# / 2;
 257       charwy := head_height# / 2 - linethickness#;
 258
 259       define_pixels(head_width, head_height);
 260       pickup pencircle
 261              xscaled (max(blot_diameter, pen_w * head_width))
 262              yscaled (max(blot_diameter, pen_h * head_width))
 263              rotated -angle;
 264
 265       %% FIXME: replace "xpart (top z2)" (and, analogously,
 266       %% "ypart (rt z3)") with an expression that really delivers the
 267       %% x coordinate of the uppermost pixel that is drawn with respect
 268       %% to the pencircle (this requires some elliptical computations).
 269       %% MF obviously interprets "xpart (top z2)" as "top (xpart z2)",
 270       %% i.e. "top x2", which is not what we want.
 271
 272       xpart (top z2) = ypart (rt z3) = 0;
 273       top y2 = head_height/2;
 274       rt x3 = head_width/2;
 275       z2 = - z4;
 276       z3 = - z1;
 277
 278       if open:
 279               draw z1 -- z2 -- z3 -- z4 -- cycle;
 280       else:
 281               filldraw z1 -- z2 -- z3 -- z4 -- cycle;
 282       fi;
 283
 284       currentpicture := currentpicture shifted (head_width/2, 0);
 285
 286 enddef;
 287
 288
 289 fet_beginchar("Mensural semibrevis head","s0mensural")
 290         draw_diamond_head (staff_space#, 0.15, 0.30, 30, true);
 291 fet_endchar;
 292
 293 fet_beginchar("Mensural minima head","s1mensural")
 294         draw_diamond_head (staff_space#, 0.15, 0.30, 30, true);
 295 fet_endchar;
 296
 297 fet_beginchar("Mensural semiminima head","s2mensural")
 298         draw_diamond_head (staff_space#, 0.15, 0.30, 30, false);
 299 fet_endchar;
 300
 301 fet_beginchar("Petrucci semibrevis head","s0petrucci")
 302 %       draw_diamond_head (1.8 staff_space#, 0.15, 0.40, 30, true);
 303         draw_neomensural_open_head (staff_space#, 1.8 staff_space#);
 304 fet_endchar;
 305
 306 fet_beginchar("Petrucci minima head","s1petrucci")
 307 %       draw_diamond_head (1.8 staff_space#, 0.15, 0.40, 30, true);
 308         draw_neomensural_open_head (staff_space#, 1.8 staff_space#);
 309 fet_endchar;
 310
 311 fet_beginchar("Petrucci semiminima head","s2petrucci")
 312 %       draw_diamond_head (1.8 staff_space#, 0.15, 0.40, 30, false);
 313         draw_neomensural_black_head (staff_space#, 1.8 staff_space#);
 314 fet_endchar;
 315
 316
 317 %%%%%%%%
 318 %
 319 %
 320 %
 321 % EDITIO VATICANA (including solesmes extensions)
 322 %
 323 %
 324 %
 325
 326 % parameterized punctum
 327 def punctum_char (expr verbose_name, internal_name,
 328                   left_stem, right_stem, linea, cavum,
 329                   straight, auctum, rev_auctum, direction_up,
 330                   excentric, up_shift, down_shift, mag) =
 331
 332         fet_beginchar(verbose_name, "s" & internal_name)
 333                 save b_h, a_w;
 334                 a_b := 1.54; % b_h*a_b/a_w = wd/ht
 335                 b_h := 0.85;
 336                 a_w := 1.09;
 337
 338                 save a, beta, ht, wd;
 339                 ht# = noteheight# * mag;
 340                 2beta# = ht# * b_h;
 341                 a# = beta# * a_b;
 342                 wd# = 2a# / a_w;
 343                 black_notehead_width# := wd#;
 344
 345                 % direction
 346                 save direction, direction_sign;
 347                 pair direction;
 348                 if direction_up:
 349                         direction = up;
 350                         direction_sign# = 1;
 351                 else:
 352                         direction = down;
 353                         direction_sign# = -1;
 354                 fi;
 355
 356                 % convexity and eccentricity
 357                 save u_convexity, u_eccentricity;
 358                 if straight:
 359                         u_convexity# = -0.01ht#;
 360                         u_eccentricity# = 0.0ht#; % dummy
 361                 elseif auctum:
 362                         u_convexity# = -0.03ht#;
 363                         u_eccentricity# = +0.25ht#;
 364                 elseif rev_auctum:
 365                         u_convexity# = -0.10ht#;
 366                         u_eccentricity# = -0.12ht#;
 367                 else:
 368                         u_convexity# = -0.05ht#;
 369                         u_eccentricity# = 0.0ht#; % dummy
 370                 fi;
 371                 save convexity, eccentricity;
 372                 convexity# = direction_sign# * u_convexity#;
 373                 eccentricity# = direction_sign# * u_eccentricity#;
 374
 375                 % y shift offset
 376                 save yoffs;
 377                 if up_shift:
 378                         yoffs# = 0.08ht#;
 379                 elseif down_shift:
 380                         yoffs# = -0.11ht#;
 381                 else:
 382                         yoffs# = 0.00ht#;
 383                 fi
 384
 385                 define_pixels(convexity, eccentricity, yoffs, ht, wd);
 386                 pickup pencircle scaled linethickness;
 387
 388                 path p;
 389                 save height, yoffs_bt;
 390                 define_pixels (height, yoffs_bt);
 391                 height# = 0.47ht#;
 392                 yoffs_bt# = yoffs# - 0.5*height# - 0.25*convexity#;
 393                 xpart z1a = xpart z1b;
 394                 xpart z2a = xpart z2b;
 395                 xpart z3a = xpart z3b;
 396                 ypart z1a + height = ypart z1b;
 397                 ypart z2a + height = ypart z2b;
 398                 ypart z3a + height = ypart z3b;
 399
 400                 save box_top, box_bt;
 401
 402                 if auctum or rev_auctum:
 403                         z1a = (0.00wd + linethickness/2, yoffs_bt);
 404                         z2a = (0.21wd, yoffs_bt + 1.0*convexity);
 405                         z3a = (0.42wd - linethickness/2,
 406                                yoffs_bt + 1.0*eccentricity);
 407                         box_top# = height# + yoffs_bt# +
 408                                 max(0, 1.0*convexity#, 1.0*eccentricity#);
 409                         box_bt# = yoffs_bt# +
 410                                 min(0, 1.0*convexity#, 1.0*eccentricity#);
 411                         p = z1a .. {right}z2a .. {direction}z3a --
 412                             z3b{-direction} .. z2b{left} .. z1b -- cycle;
 413                 elseif excentric:
 414                         z1a = (0.00wd + linethickness/2,
 415                                yoffs_bt - 1.0*convexity);
 416                         z2a = (0.08wd, yoffs_bt + 1.4*convexity);
 417                         z3a = (0.42wd - linethickness/2,
 418                                yoffs_bt - 1.0*convexity);
 419                         box_top# = height# + yoffs_bt# +
 420                                 max(-1.0*convexity#, 1.4*convexity#, 0);
 421                         box_bt# = yoffs_bt# +
 422                                 min(-1.0*convexity#, 1.4*convexity#, 0);
 423                         p = z1a{direction} .. z2a{right} .. z3a --
 424                             z3b .. {left}z2b .. {-direction}z1b -- cycle;
 425                 else:
 426                         z1a = (0.00wd + linethickness/2, yoffs_bt);
 427                         z2a = (0.21wd, yoffs_bt + 1.0*convexity);
 428                         z3a = (0.42wd - linethickness/2, yoffs_bt);
 429                         box_top# = height# + yoffs_bt# +
 430                                 max(0, 1.0*convexity#);
 431                         box_bt# = yoffs_bt# +
 432                                 min(0, 1.0*convexity#);
 433                         p = z1a .. z2a .. z3a --
 434                             z3b .. z2b .. z1b -- cycle;
 435                 fi;
 436
 437                 if cavum:
 438                         draw p;
 439                 else:
 440                         filldraw p;
 441                 fi;
 442
 443                 pickup pencircle scaled 0.6linethickness;
 444
 445                 save stem_bt;
 446
 447                 if left_stem:
 448                         z5=(0.00wd + 0.6linethickness/2, yoffs);
 449                         z6=(0.00wd + 0.6linethickness/2, yoffs - 1.1ht);
 450                         draw z5 -- z6;
 451                         stem_bt# = yoffs# - 1.1ht#;
 452                 elseif right_stem:
 453                         z5=(0.42wd - 0.6linethickness/2, yoffs);
 454                         z6=(0.42wd - 0.6linethickness/2, yoffs - 1.5ht);
 455                         draw z5 -- z6;
 456                         stem_bt# = yoffs# - 1.5ht#;
 457                 else:
 458                         stem_bt# = 0;
 459                 fi;
 460
 461                 set_char_box(0.00wd#, 0.42wd#,
 462                              max(0, -box_bt#, -stem_bt#) + linethickness#/2,
 463                              max(0, box_top#) + linethickness#/2);
 464
 465                 if linea:
 466                         save linea_width, linea_height;
 467                         linea_width# = 0.6 linethickness#;
 468                         linea_height# = 0.7 ht#;
 469                         define_pixels (linea_width, linea_height);
 470                         draw_block ((-0.10wd - linea_width/2,
 471                                      -linea_height/2),
 472                                     (-0.10wd + linea_width/2,
 473                                      +linea_height/2));
 474                         draw_block ((+0.52wd - linea_width/2,
 475                                      -linea_height/2),
 476                                     (+0.52wd + linea_width/2,
 477                                      +linea_height/2));
 478                         set_char_box(0,
 479                                      0.62wd# + linea_width#,
 480                                      linea_height#/2,
 481                                      linea_height#/2);
 482                         currentpicture := currentpicture
 483                                 shifted (0.10wd + linea_width/2, 0);
 484                 fi;
 485         fet_endchar;
 486 enddef;
 487
 488 % parameterized punctum inclinatum
 489 def inclinatum_char(expr verbose_name, internal_name,
 490                     small, stropha, auctum) =
 491
 492         fet_beginchar(verbose_name, "s"&internal_name)
 493                 save ht, alpha;
 494                 alpha# = 35;
 495                 if small:
 496                         ht# = 0.50 noteheight#;
 497                 else:
 498                         ht# = 0.80 noteheight#;
 499                 fi;
 500
 501                 draw_diamond_head (ht#, 0, 0, alpha#, false);
 502
 503                 if stropha:
 504                         pickup pencircle
 505                                 xscaled (0.25*head_height)
 506                                 yscaled (0.55*head_height)
 507                                 rotated alpha#;
 508                         save za, off_angle; pair za;
 509                         off_angle := 15;
 510                         za = (0, -0.25*head_height)
 511                                 rotated -(alpha# + off_angle)
 512                                 shifted (0.48 head_width, -0.02 head_width);
 513                         undraw za;
 514                 fi;
 515
 516                 if auctum:
 517                         pickup pencircle scaled linethickness;
 518                         save za, zb, zc;
 519                         pair za, zb, zc;
 520                         za = (0, -0.5 head_height + linethickness);
 521                         zb = 0.6 (za + zc);
 522                         zc = za + (0.52 head_width, 0);
 523                         draw za{(0,-1) rotated alpha#} .. {right}zb{right} ..
 524                              {(0,1) rotated -alpha#}zc;
 525                 fi;
 526         fet_endchar;
 527 enddef;
 528
 529 % punctum
 530 punctum_char("Ed. Vat. punctum", "vaticana.punctum",
 531              false, false, false, false, false,
 532              false, false, false, false, false, false, 1.0);
 533
 534 % punctum cavum (for OpusTeX compatibility)
 535 punctum_char("Ed. Vat. punctum cavum", "vaticana.punctum.cavum",
 536              false, false, false, true, false,
 537              false, false, false, false, false, false, 1.0);
 538
 539 % linea punctum (for OpusTeX compatibility)
 540 punctum_char("Ed. Vat. linea punctum", "vaticana.linea.punctum",
 541              false, false, true, false, false,
 542              false, false, false, false, false, false, 1.0);
 543
 544 % linea punctum cavum (for OpusTeX compatibility)
 545 punctum_char("Ed. Vat. linea punctum cavum", "vaticana.linea.punctum.cavum",
 546              false, false, true, true, false,
 547              false, false, false, false, false, false, 1.0);
 548
 549 % punctum inclinatum
 550 inclinatum_char("Ed. Vat. inclinatum", "vaticana.inclinatum",
 551                 false, false, false);
 552
 553 % pes lower punctum
 554 punctum_char("Ed. Vat. pes lower punctum", "vaticana.lpes",
 555              false, false, false, false, true,
 556              false, false, true, false, false, false, 1.0);
 557
 558 % pes lower punctum
 559 punctum_char("Ed. Vat. pes var lower punctum", "vaticana.vlpes",
 560              false, false, false, false, true,
 561              false, false, true, false, false, true, 1.0);
 562
 563 % pes upper punctum
 564 punctum_char("Ed. Vat. pes upper punctum", "vaticana.upes",
 565              false, false, false, false, true,
 566              false, false, false, false, false, false, 1.0);
 567
 568 % pes upper punctum (shifted variation)
 569 %
 570 % This note head is used instead of the regular pes upper punctum to
 571 % avoid collision with the lower punctum note of the pes when the upper
 572 % punctum sits directly on top of the lower punctum.
 573 %
 574 punctum_char("Ed. Vat. var pes upper punctum", "vaticana.vupes",
 575              false, false, false, false, true,
 576              false, false, false, false, true, false, 1.0);
 577
 578 % small punctum as used in epiphonus
 579 punctum_char("Ed. Vat. plica", "vaticana.plica",
 580              false, false, false, false, false,
 581              false, false, false, false, false, false, 0.6);
 582
 583 % small punctum as used in epiphonus
 584 punctum_char("Ed. Vat. var plica", "vaticana.vplica",
 585              false, false, false, false, false,
 586              false, true, false, false, false, true, 0.6);
 587
 588 % excentric punctum as used in epiphonus
 589 punctum_char("Ed. Vat. epiphonus", "vaticana.epiphonus",
 590              false, false, false, false, false,
 591              false, false, true, true, false, false, 1.0);
 592
 593 % excentric punctum as used in epiphonus (shifted variation)
 594 %
 595 % This note head is used instead of the regular epiphonus punctum to
 596 % avoid collision with the plica head when the plica sits directly on
 597 % top of the lower head.
 598 %
 599 punctum_char("Ed. Vat. var epiphonus", "vaticana.vepiphonus",
 600              false, false, false, false, false,
 601              false, false, true, true, false, true, 1.0);
 602
 603 % small punctum as used in cephalicus
 604 punctum_char("Ed. Vat. rev. plica", "vaticana.reverse.plica",
 605              false, false, false, false, false,
 606              false, false, true, false, false, false, 0.6);
 607
 608 % small punctum as used in cephalicus
 609 punctum_char("Ed. Vat. rev. var plica", "vaticana.reverse.vplica",
 610              false, false, false, false, false,
 611              false, true, true, false, false, true, 0.6);
 612
 613 % excentric punctum as used in cephalicus; without left stem
 614 punctum_char("Ed. Vat. cephalicus", "vaticana.inner.cephalicus",
 615              false, false, false, false, false,
 616              false, false, false, true, false, false, 1.0);
 617
 618 % excentric punctum as used in cephalicus; with left stem
 619 punctum_char("Ed. Vat. cephalicus", "vaticana.cephalicus",
 620              true, false, false, false, false,
 621              false, false, false, true, false, false, 1.0);
 622
 623 % quilisma
 624 fet_beginchar("Ed. Vat. quilisma", "svaticana.quilisma")
 625         save b_h,a_w;
 626         a_b:=1.54; % b_h*a_b/a_w = wd/ht
 627         b_h:=0.85;
 628         a_w:=1.09;
 629
 630         save a, beta, ht, wd;
 631         ht# = noteheight#;
 632         2beta# = ht#*b_h;
 633         a# = beta#*a_b;
 634         wd# = 2a# / a_w;
 635         set_char_box(0, 0.42wd#, 0.28 ht#, 0.36 ht#);
 636         black_notehead_width# := wd#;
 637
 638         define_pixels(ht, wd);
 639         pickup pencircle xscaled linethickness yscaled 0.44ht;
 640         lft x1 = 0.00wd; bot y1 = -0.28ht;
 641         x2 = 0.11wd;     y2 = -0.14ht;
 642         x3 = 0.12wd;     y3 = +0.03ht;
 643         x4 = 0.25wd;     y4 = -0.09ht;
 644         x5 = 0.26wd;     y5 = +0.08ht;
 645         x6 = 0.40wd;     y6 = -0.04ht;
 646         rt x7 = 0.42wd;  top y7 = +0.36ht;
 647         draw z1 .. z2 -- z3 .. z4 -- z5 .. z6 -- z7;
 648 fet_endchar;
 649
 650 % solesmes punctum inclinatum parvum
 651 inclinatum_char("Solesmes punctum inclinatum parvum", "solesmes.incl.parvum",
 652                 true, false, false);
 653
 654 % solesmes punctum auctum ascendens
 655 punctum_char("Solesmes punctum auctum ascendens", "solesmes.auct.asc",
 656              false, false, false, false, false,
 657              true, false, true, false, false, false, 1.0);
 658
 659 % solesmes punctum auctum descendens
 660 punctum_char("Solesmes punctum auctum descendens", "solesmes.auct.desc",
 661              false, false, false, false, false,
 662              true, false, false, false, false, false, 1.0);
 663
 664 % solesmes punctum inclinatum auctum
 665 inclinatum_char("Solesmes punctum incl. auctum", "solesmes.incl.auctum",
 666                 false, false, true);
 667
 668 % solesmes stropha
 669 inclinatum_char("Solesmes stropha", "solesmes.stropha",
 670                 false, true, false);
 671
 672 % solesmes stropha aucta
 673 inclinatum_char("Solesmes stropha aucta", "solesmes.stropha.aucta",
 674                 false, true, true);
 675
 676 % solesmes oriscus
 677 fet_beginchar("Solesmes oriscus", "ssolesmes.oriscus")
 678         save b_h, a_w;
 679         a_b := 1.54; % b_h*a_b/a_w = wd/ht
 680         b_h := 0.85;
 681         a_w := 1.09;
 682
 683         save a, beta, ht, wd;
 684         ht# = noteheight#;
 685         2beta# = ht# * b_h;
 686         a# = beta# * a_b;
 687         wd# = 2a# / a_w;
 688         black_notehead_width# := wd#;
 689
 690         save convexity;
 691         convexity# = +0.05ht#;
 692
 693         define_pixels(ht, wd, convexity);
 694         pickup pencircle xscaled blot_diameter yscaled 0.50ht;
 695         lft x1 = 0.00wd; y1 = -convexity;
 696         x2 = 0.16wd;     y2 = +convexity;
 697         x3 = 0.33wd;     y3 = -convexity;
 698         rt x4 = 0.50wd;  y4 = +convexity;
 699         draw z1 .. z2 .. z3 .. z4;
 700         set_char_box(0.00wd#, 0.50wd#,
 701                      0.25ht# + convexity#, 0.25ht# + convexity#);
 702 fet_endchar;
 703
 704 %%%%%%%%
 705 %
 706 %
 707 %
 708 % EDITIO MEDICAEA
 709 %
 710 %
 711 %
 712
 713 % inclinatum
 714 fet_beginchar("Ed. Med. inclinatum", "smedicaea.inclinatum")
 715         draw_diamond_head (1.2staff_space#, 0, 0, 35, false);
 716 fet_endchar;
 717
 718 % parametrized punctum
 719 def punctum_char (expr verbose_name, internal_name,
 720         left_up_stem, left_down_stem) =
 721
 722         fet_beginchar(verbose_name, "s"&internal_name)
 723
 724                 save a, beta, ht, wd;
 725                 ht# = 2 staff_space#;
 726                 wd# = ht#;
 727                 black_notehead_width# := wd#;
 728
 729                 define_pixels(ht, wd);
 730                 pickup pencircle
 731                         xscaled blot_diameter
 732                         yscaled 0.50ht;
 733                 z1 = (0.00wd + blot_diameter/2, 0);
 734                 z2 = (0.4wd - blot_diameter/2, 0);
 735                 draw z1 .. z2;
 736
 737                 pickup pencircle
 738                         xscaled linethickness
 739                         yscaled blot_diameter;
 740
 741                 if left_down_stem:
 742                         z4=(0.00wd + linethickness/2, blot_diameter/2);
 743                         z5=(0.00wd + linethickness/2, - 1.25ht);
 744                         draw z4 .. z5;
 745                         set_char_box(0.0, 0.4wd#, 1.25ht#, 0.25ht#);
 746                 elseif left_up_stem:
 747                         z4=(0.00wd + linethickness/2, blot_diameter/2);
 748                         z5=(0.00wd + linethickness/2, + 1.25ht);
 749                         draw z4 .. z5;
 750                         set_char_box(0.0, 0.4wd#, 0.25ht#, 1.25ht#);
 751                 else:
 752                         set_char_box(0.0, 0.4wd#, 0.25ht#, 0.25ht#);
 753                 fi;
 754
 755         fet_endchar;
 756 enddef;
 757
 758 % punctum
 759 punctum_char("Ed. Med. punctum", "medicaea.punctum",
 760         false, false);
 761
 762 % left up-stemmed punctum
 763 punctum_char("Ed. Med. reverse virga", "medicaea.rvirga",
 764         true, false);
 765
 766 % virga (i.e. left down-stemmed punctum)
 767 punctum_char("Ed. Med. virga", "medicaea.virga",
 768         false, true);
 769
 770 %%%%%%%%
 771 %
 772 %
 773 %
 774 % HUFNAGEL
 775 %
 776 %
 777 %
 778
 779 % punctum
 780 % parametrized punctum
 781 def punctum_char (expr verbose_name, internal_name,
 782         down_stem) =
 783         fet_beginchar(verbose_name, "s" & internal_name)
 784                 save alpha;
 785                 alpha# = 55;
 786                 draw_diamond_head (staff_space#, 0, 0, alpha#, false);
 787                 if down_stem:
 788                         pickup pencircle
 789                                 xscaled blot_diameter
 790                                 yscaled (0.7*staff_space)
 791                                 rotated -alpha#;
 792                         save za, zb; pair za, zb;
 793                         za = (head_width/2, 0);
 794                         bot zb = (head_width/2, -1.5staff_space);
 795                         draw za -- zb;
 796                         set_char_box (0, head_width#,
 797                                       1.5staff_space#, head_height#/2);
 798                 fi;
 799         fet_endchar;
 800 enddef;
 801
 802 % punctum
 803 punctum_char("Hufnagel punctum", "hufnagel.punctum", false)
 804
 805 % virga
 806 punctum_char("Hufnagel virga", "hufnagel.virga",  true)
 807
 808 % pes lower punctum
 809 fet_beginchar("Hufnagel pes lower punctum", "shufnagel.lpes")
 810         save width, height, alpha;
 811         width# = 2*staff_space#;
 812         height# = 0.7*staff_space#;
 813         alpha# = 35;
 814
 815         set_char_box(0, width#, height#/2, height#/2);
 816
 817         pickup pencircle scaled linethickness;
 818         define_pixels(width, height);
 819
 820         rt x3 = -lft x1 = width/2;
 821         y2 = y3 = height/2;
 822         y1 = y4 = -height/2;
 823         tand(alpha#) * (y2 - y1) = x2 - x1 = x3 - x4;
 824
 825         filldraw z1 -- z2 -- z3 -- z4 -- cycle;
 826
 827         currentpicture := currentpicture shifted (width/2, 0);
 828 fet_endchar;
 829
 830 fet_endgroup ("noteheads")