lily/lookup.cc

   1 /*
   2   lookup.cc -- implement simple Lookup methods.
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c)  1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   7
   8   Jan Nieuwenhuizen <janneke@gnu.org>
   9
  10   TODO
  11       Glissando
  12 */
  13 #include <math.h>
  14 #include <ctype.h>
  15 #include "lookup.hh"
  16 #include "debug.hh"
  17 #include "dimensions.hh"
  18
  19 #include "paper-def.hh"
  20 #include "string-convert.hh"
  21 #include "file-path.hh"
  22 #include "main.hh"
  23 #include "lily-guile.hh"
  24 #include "all-font-metrics.hh"
  25 #include "afm.hh"
  26 #include "scope.hh"
  27 #include "molecule.hh"
  28 #include "atom.hh"
  29 #include "lily-guile.hh"
  30
  31
  32 Lookup::Lookup ()
  33 {
  34   afm_l_ = 0;
  35 }
  36
  37 Lookup::Lookup (Lookup const& s)
  38 {
  39   font_name_ = s.font_name_;
  40   afm_l_ = 0;
  41 }
  42
  43
  44 /*
  45   build a ledger line for small pieces.
  46  */
  47 Molecule
  48 Lookup::ledger_line (Interval xwid) const
  49 {
  50   Drul_array<Molecule> endings;
  51   endings[LEFT] = afm_find ("noteheads-ledgerending");
  52   Molecule * e = &endings[LEFT];
  53   endings[RIGHT] = *e;
  54
  55   Real thick = e->dim_[Y_AXIS].length();
  56   Real len = e->dim_[X_AXIS].length () - thick;
  57
  58   Molecule total;
  59   Direction d = LEFT;
  60   do {
  61     endings[d].translate_axis (xwid[d] - endings[d].dim_[X_AXIS][d], X_AXIS);
  62     total.add_molecule (endings[d]);
  63   } while ((flip(&d)) != LEFT);
  64
  65   Real xpos = xwid [LEFT] + len;
  66
  67   while (xpos + len + thick /2 <= xwid[RIGHT])
  68     {
  69       e->translate_axis (len, X_AXIS);
  70       total.add_molecule (*e);
  71       xpos += len;
  72     }
  73
  74   return total;
  75 }
  76
  77
  78
  79
  80 Molecule
  81 Lookup::afm_find (String s, bool warn) const
  82 {
  83   if (!afm_l_)
  84     {
  85       Lookup * me = (Lookup*)(this);
  86       me->afm_l_ = all_fonts_global_p->find_afm (font_name_);
  87       if (!me->afm_l_)
  88         {
  89           warning (_f ("Can't find font: `%s'", font_name_));
  90           warning (_f ("(search path: `%s')", global_path.str ().ch_C()));
  91           error (_ ("Aborting"));
  92         }
  93     }
  94   Adobe_font_char_metric cm = afm_l_->find_char (s, warn);
  95   Molecule m;
  96   if (cm.code () < 0)
  97     {
  98       /*
  99         don't want people relying on this kind of dimension.
 100       */
 101       m.set_empty (false);
 102       return m;
 103     }
 104
 105   Atom at (gh_list (ly_symbol2scm ("char"),
 106                     gh_int2scm (cm.code ()),
 107                     SCM_UNDEFINED));
 108
 109   at.fontify (afm_l_);
 110   m.dim_ = cm.dimensions();
 111   m.add_atom (&at);
 112   return m;
 113 }
 114
 115 Molecule
 116 Lookup::simple_bar (String type, Real h, Paper_def* paper_l) const
 117 {
 118   SCM thick = ly_symbol2scm (("barthick_" + type).ch_C());
 119   Real w = 0.0;
 120
 121   if (paper_l->scope_p_->elem_b (thick))
 122     {
 123       w = paper_l->get_realvar (thick);
 124     }
 125   else
 126     {
 127       programming_error ("No bar thickness set ! ");
 128       w = 1 PT;
 129     }
 130   return filledbox (Box (Interval(0,w), Interval(-h/2, h/2)));
 131 }
 132
 133
 134 Molecule
 135 Lookup::bar (String str, Real h, Paper_def *paper_l) const
 136 {
 137   if (str == "bracket")
 138     return staff_bracket (h, paper_l);
 139   else if (str == "brace")
 140     {
 141       Real staffht  = paper_l->get_var ("staffheight");
 142       return staff_brace (h,staffht);
 143     }
 144   Real kern = paper_l->get_var ("bar_kern");
 145   Real thinkern = paper_l->get_var ("bar_thinkern");
 146
 147   Molecule thin = simple_bar ("thin", h, paper_l);
 148   Molecule thick = simple_bar ("thick", h, paper_l);
 149   Molecule colon = afm_find ("dots-repeatcolon", paper_l);
 150
 151   Molecule m;
 152
 153   if (str == "")
 154     {
 155       return fill (Box (Interval(0, 0), Interval (-h/2, h/2)));
 156     }
 157   if (str == "scorepostbreak")
 158     {
 159       return simple_bar ("score", h, paper_l);
 160     }
 161   else if (str == "|")
 162     {
 163       return thin;
 164     }
 165   else if (str == "|.")
 166     {
 167       m.add_at_edge (X_AXIS, LEFT, thick, 0);
 168       m.add_at_edge (X_AXIS, LEFT, thin, kern);
 169     }
 170   else if (str == ".|")
 171     {
 172       m.add_at_edge (X_AXIS, RIGHT, thick, 0);
 173       m.add_at_edge (X_AXIS, RIGHT, thin, kern);
 174     }
 175   else if (str == ":|")
 176     {
 177       m.add_at_edge (X_AXIS, LEFT, thick, 0);
 178       m.add_at_edge (X_AXIS, LEFT, thin, kern);
 179       m.add_at_edge (X_AXIS, LEFT, colon, kern);
 180     }
 181   else if (str == "|:")
 182     {
 183       m.add_at_edge (X_AXIS, RIGHT, thick, 0);
 184       m.add_at_edge (X_AXIS, RIGHT, thin, kern);
 185       m.add_at_edge (X_AXIS, RIGHT, colon, kern);
 186     }
 187   else if (str == ":|:")
 188     {
 189       m.add_at_edge (X_AXIS, LEFT, thick, thinkern);
 190       m.add_at_edge (X_AXIS, LEFT, colon, kern);
 191       m.add_at_edge (X_AXIS, RIGHT, thick, kern);
 192       m.add_at_edge (X_AXIS, RIGHT, colon, kern);
 193     }
 194   else if (str == ".|.")
 195     {
 196       m.add_at_edge (X_AXIS, LEFT, thick, thinkern);
 197       m.add_at_edge (X_AXIS, RIGHT, thick, kern);
 198     }
 199   else if (str == "||")
 200     {
 201       m.add_at_edge (X_AXIS, RIGHT, thin, 0);
 202       m.add_at_edge (X_AXIS, RIGHT, thin, thinkern);
 203     }
 204
 205   return m;
 206 }
 207
 208 Molecule
 209 Lookup::beam (Real slope, Real width, Real thick) const
 210 {
 211   Real height = slope * width;
 212   Real min_y = (0 <? height) - thick/2;
 213   Real max_y = (0 >? height) + thick/2;
 214
 215
 216   Molecule m;
 217   Atom at
 218     (gh_list (ly_symbol2scm ("beam"),
 219               gh_double2scm (width),
 220               gh_double2scm (slope),
 221               gh_double2scm (thick),
 222               SCM_UNDEFINED));
 223
 224   m.dim_[X_AXIS] = Interval (0, width);
 225   m.dim_[Y_AXIS] = Interval (min_y, max_y);
 226   m.add_atom (&at);
 227   return m;
 228 }
 229
 230 SCM
 231 offset2scm (Offset o)
 232 {
 233   return gh_list (gh_double2scm (o[X_AXIS]), gh_double2scm(o[Y_AXIS]),
 234                   SCM_UNDEFINED);
 235 }
 236
 237 Molecule
 238 Lookup::dashed_slur (Array<Offset> controls, Real thick, Real dash) const
 239 {
 240   assert (controls.size () == 8);
 241   Offset d = controls[3] - controls[0];
 242
 243   Real dx = d[X_AXIS];
 244   Real dy = d[Y_AXIS];
 245
 246   Molecule m;
 247
 248
 249   m.dim_[X_AXIS] = Interval (0, dx);
 250   m.dim_[Y_AXIS] = Interval (0 <? dy, 0 >? dy);
 251
 252   SCM sc[4];
 253   for (int i=0; i<  4; i++)
 254     {
 255       sc[i] =  offset2scm (controls[i]);
 256     }
 257
 258   Atom at
 259     (gh_list (ly_symbol2scm ("dashed-slur"),
 260               gh_double2scm (thick),
 261               gh_double2scm (dash),
 262               ly_quote_scm (array_to_list (sc, 4)),
 263               SCM_UNDEFINED));
 264
 265
 266   m.add_atom (&at);
 267   return m;
 268 }
 269
 270
 271
 272
 273 Molecule
 274 Lookup::fill (Box b) const
 275 {
 276   Molecule m;
 277   m.dim_ = b;
 278   return m;
 279 }
 280
 281
 282
 283 Molecule
 284 Lookup::special_time_signature (String s, int n, int d, Paper_def*pap) const
 285 {
 286   // First guess: s contains only the signature style
 287   String symbolname = "timesig-" + s + to_str (n) + "/" + to_str (d);
 288
 289   Molecule m = afm_find (symbolname, false);
 290   if (!m.empty_b())
 291     return m;
 292
 293   // Second guess: s contains the full signature name
 294   m = afm_find ("timesig-"+s, false);
 295   if (!m.empty_b ())
 296     return m;
 297
 298   // Resort to default layout with numbers
 299   return time_signature (n,d,pap);
 300 }
 301
 302 Molecule
 303 Lookup::filledbox (Box b ) const
 304 {
 305   Molecule m;
 306
 307   Atom at  (gh_list (ly_symbol2scm ("filledbox"),
 308                      gh_double2scm (-b[X_AXIS][LEFT]),
 309                      gh_double2scm (b[X_AXIS][RIGHT]),
 310                      gh_double2scm (-b[Y_AXIS][DOWN]),
 311                      gh_double2scm (b[Y_AXIS][UP]),
 312                      SCM_UNDEFINED));
 313
 314   m.dim_ = b;
 315   m.add_atom (&at);
 316   return m;
 317 }
 318
 319 /*
 320    TODO: THIS IS UGLY.  Since the user has direct access to TeX
 321    strings, we try some halfbaked attempt to detect TeX trickery.
 322  */
 323 String
 324 sanitise_TeX_string (String text)
 325 {
 326   int brace_count =0;
 327   for (int i= 0; i < text.length_i (); i++)
 328     {
 329       if (text[i] == '\\')
 330         continue;
 331
 332       if (text[i] == '{')
 333         brace_count ++;
 334       else if (text[i] == '}')
 335         brace_count --;
 336     }
 337
 338   if(brace_count)
 339     {
 340       warning (_f ("Non-matching braces in text `%s', adding braces", text.ch_C()));
 341
 342       if (brace_count < 0)
 343         {
 344           text = to_str ('{', -brace_count) + text;
 345         }
 346       else
 347         {
 348           text = text + to_str ('}', brace_count);
 349         }
 350     }
 351
 352   return text;
 353 }
 354
 355 /**
 356    TODO!
 357  */
 358 String
 359 sanitise_PS_string (String t)
 360 {
 361   return t;
 362 }
 363
 364 /**
 365
 366 */
 367 Molecule
 368 Lookup::text (String style, String text, Paper_def *paper_l) const
 369 {
 370   Molecule m;
 371   if (style.empty_b ())
 372     style = "roman";
 373
 374   int font_mag = 0;
 375   Real font_h = paper_l->get_var ("font_normal");
 376   if (paper_l->scope_p_->elem_b ("font_" + style))
 377     {
 378       font_h = paper_l->get_var ("font_" + style);
 379     }
 380
 381
 382   if (paper_l->scope_p_->elem_b ("magnification_" + style))
 383     {
 384       font_mag = (int)paper_l->get_var ("magnification_" + style);
 385     }
 386
 387   /*
 388     UGH.
 389   */
 390   SCM l = ly_eval_str (("(style-to-cmr \"" + style + "\")").ch_C());
 391   if (l != SCM_BOOL_F)
 392     {
 393       style = ly_scm2string (gh_cdr(l)) +to_str  ((int)font_h);
 394     }
 395
 396
 397
 398   Font_metric* metric_l = 0;
 399
 400   if (font_mag)
 401     metric_l = all_fonts_global_p->find_scaled (style, font_mag);
 402   else
 403     metric_l = all_fonts_global_p->find_font (style);
 404
 405
 406   if (output_global_ch == "tex")
 407     text = sanitise_TeX_string  (text);
 408   else if (output_global_ch == "ps")
 409     text = sanitise_PS_string (text);
 410
 411   m.dim_ = metric_l->text_dimension (text);
 412
 413   Atom at  (gh_list (ly_symbol2scm ("text"),
 414                      ly_str02scm (text.ch_C()),
 415                      SCM_UNDEFINED));
 416   at.fontify (metric_l);
 417
 418   m.add_atom (&at);
 419   return m;
 420 }
 421
 422
 423
 424
 425 Molecule
 426 Lookup::time_signature (int num, int den, Paper_def *paper_l) const
 427 {
 428   String sty = "number";
 429   Molecule n (text (sty, to_str (num), paper_l));
 430   Molecule d (text (sty, to_str (den), paper_l));
 431   n.align_to (X_AXIS, CENTER);
 432   d.align_to (X_AXIS, CENTER);
 433   Molecule m;
 434   if (den)
 435     {
 436       m.add_at_edge (Y_AXIS, UP, n, 0.0);
 437       m.add_at_edge (Y_AXIS, DOWN, d, 0.0);
 438     }
 439   else
 440     {
 441       m = n;
 442       m.align_to (Y_AXIS, CENTER);
 443     }
 444   return m;
 445 }
 446
 447 Molecule
 448 Lookup::staff_brace (Real y, int staff_size) const
 449 {
 450   Molecule m;
 451
 452   Real step  = 1.0;
 453   int minht  = 2 * staff_size;
 454   int maxht = 7 *  minht;
 455   int idx = int (((maxht - step) <? y - minht) / step);
 456   idx = idx >? 0;
 457
 458
 459   String nm = String ("feta-braces" + to_str (staff_size));
 460   SCM e =gh_list (ly_symbol2scm ("char"), gh_int2scm (idx), SCM_UNDEFINED);
 461   Atom at  (e);
 462
 463   at.fontify (all_fonts_global_p->find_font (nm));
 464
 465   m.dim_[Y_AXIS] = Interval (-y/2,y/2);
 466   m.dim_[X_AXIS] = Interval (0,0);
 467   m.add_atom (&at);
 468   return m;
 469 }
 470
 471 Molecule
 472 Lookup::hairpin (Real width, Real height, Real thick, bool decresc, bool continued) const
 473 {
 474   Molecule m;
 475
 476   const char* hairpin = decresc ? "decrescendo" :  "crescendo";
 477   Atom at  (gh_list (ly_symbol2scm (hairpin),
 478                      gh_double2scm (thick),
 479                      gh_double2scm (width),
 480                      gh_double2scm (height),
 481                      gh_double2scm (continued ? height/2 : 0.0),
 482                      SCM_UNDEFINED));
 483   m.dim_.x () = Interval (0, width);
 484   m.dim_.y () = Interval (-2*height, 2*height);
 485
 486   m.add_atom (&at);
 487   return m;
 488 }
 489
 490 Molecule
 491 Lookup::tuplet_bracket (Real dy , Real dx, Real thick, Real gap,
 492                         Real height, Direction dir) const
 493 {
 494   Molecule m;
 495
 496   Atom at  (gh_list(ly_symbol2scm ("tuplet"),
 497                     gh_double2scm (height),
 498                     gh_double2scm (gap),
 499                     gh_double2scm (dx),
 500                     gh_double2scm (dy),
 501                     gh_double2scm (thick),
 502                     gh_int2scm (dir),
 503                     SCM_UNDEFINED));
 504   m.add_atom (&at);
 505
 506   return m;
 507 }
 508
 509 /*
 510   Make a smooth curve along the points
 511  */
 512 Molecule
 513 Lookup::slur (Array<Offset> controls, Real linethick) const
 514 {
 515   Offset  delta_off = controls[3]- controls[0];
 516   Molecule m;
 517
 518   SCM scontrols [8];
 519   int indices[] = {5,6,7,4,1,2,3,0};
 520
 521   for (int i= 0; i < 8; i++)
 522     scontrols[i] = offset2scm (controls[indices[i]]);
 523
 524
 525   Atom at  (gh_list (ly_symbol2scm ("bezier-sandwich"),
 526                      ly_quote_scm (array_to_list (scontrols, 8)),
 527                      gh_double2scm (linethick),
 528                      SCM_UNDEFINED));
 529
 530   m.dim_[X_AXIS] = Interval (0, delta_off[X_AXIS]);
 531   m.dim_[Y_AXIS] = Interval (0 <? delta_off[Y_AXIS], 0 >? delta_off[Y_AXIS]);
 532   m.add_atom (&at);
 533   return m;
 534 }
 535
 536 Molecule
 537 Lookup::staff_bracket (Real height, Paper_def* paper_l) const
 538 {
 539   Molecule m;
 540   Atom at  ( gh_list (ly_symbol2scm ("bracket"),
 541                       gh_double2scm (paper_l->get_var("bracket_arch_angle")),
 542                       gh_double2scm (paper_l->get_var("bracket_arch_width")),
 543                       gh_double2scm (paper_l->get_var("bracket_arch_height")),
 544                       gh_double2scm (paper_l->get_var("bracket_width")),
 545                       gh_double2scm (height),
 546                       gh_double2scm (paper_l->get_var("bracket_arch_thick")),
 547                       gh_double2scm (paper_l->get_var("bracket_thick")),
 548                       SCM_UNDEFINED));
 549
 550   m.add_atom (&at);
 551   m.dim_[Y_AXIS] = Interval (-height/2,height/2);
 552   m.dim_[X_AXIS] = Interval (0,4 PT);
 553
 554   m.translate_axis (- 4. / 3. * m.dim_[X_AXIS].length (), X_AXIS);
 555   return m;
 556 }
 557
 558 Molecule
 559 Lookup::volta (Real h, Real w, Real thick, bool vert_start, bool vert_end) const
 560 {
 561   Molecule m;
 562
 563   Atom at  (gh_list (ly_symbol2scm ("volta"),
 564                      gh_double2scm (h),
 565                      gh_double2scm (w),
 566                      gh_double2scm (thick),
 567                      gh_int2scm (vert_start),
 568                      gh_int2scm (vert_end),
 569                      SCM_UNDEFINED));
 570
 571   m.dim_[Y_AXIS] = Interval (- h/2, h/2);
 572   m.dim_[X_AXIS] = Interval (0, w);
 573
 574   m.add_atom (&at);
 575   return m;
 576 }
 577
 578 Molecule
 579 Lookup::accordion (SCM s, Real interline_f) const
 580 {
 581   Molecule m;
 582   String sym = ly_scm2string(SCM_CAR(s));
 583   String reg = ly_scm2string(SCM_CAR(SCM_CDR(s)));
 584
 585   if (sym == "Discant")
 586     {
 587       Molecule r = afm_find("scripts-accDiscant");
 588       m.add_molecule(r);
 589       if (reg.left_str(1) == "F")
 590         {
 591           Molecule d = afm_find("scripts-accDot");
 592           d.translate_axis(interline_f * 2.5 PT, Y_AXIS);
 593           m.add_molecule(d);
 594           reg = reg.right_str(reg.length_i()-1);
 595         }
 596       int eflag = 0x00;
 597       if (reg.left_str(3) == "EEE")
 598         {
 599           eflag = 0x07;
 600           reg = reg.right_str(reg.length_i()-3);
 601         }
 602       else if (reg.left_str(2) == "EE")
 603         {
 604           eflag = 0x05;
 605           reg = reg.right_str(reg.length_i()-2);
 606         }
 607       else if (reg.left_str(2) == "Eh")
 608         {
 609           eflag = 0x04;
 610           reg = reg.right_str(reg.length_i()-2);
 611         }
 612       else if (reg.left_str(1) == "E")
 613         {
 614           eflag = 0x02;
 615           reg = reg.right_str(reg.length_i()-1);
 616         }
 617       if (eflag & 0x02)
 618         {
 619           Molecule d = afm_find("scripts-accDot");
 620           d.translate_axis(interline_f * 1.5 PT, Y_AXIS);
 621           m.add_molecule(d);
 622         }
 623       if (eflag & 0x04)
 624         {
 625           Molecule d = afm_find("scripts-accDot");
 626           d.translate_axis(interline_f * 1.5 PT, Y_AXIS);
 627           d.translate_axis(0.8 * interline_f PT, X_AXIS);
 628           m.add_molecule(d);
 629         }
 630       if (eflag & 0x01)
 631         {
 632           Molecule d = afm_find("scripts-accDot");
 633           d.translate_axis(interline_f * 1.5 PT, Y_AXIS);
 634           d.translate_axis(-0.8 * interline_f PT, X_AXIS);
 635           m.add_molecule(d);
 636         }
 637       if (reg.left_str(2) == "SS")
 638         {
 639           Molecule d = afm_find("scripts-accDot");
 640           d.translate_axis(0.5 * interline_f PT, Y_AXIS);
 641           d.translate_axis(0.4 * interline_f PT, X_AXIS);
 642           m.add_molecule(d);
 643           d.translate_axis(-0.8 * interline_f PT, X_AXIS);
 644           m.add_molecule(d);
 645           reg = reg.right_str(reg.length_i()-2);
 646         }
 647       if (reg.left_str(1) == "S")
 648         {
 649           Molecule d = afm_find("scripts-accDot");
 650           d.translate_axis(0.5 * interline_f PT, Y_AXIS);
 651           m.add_molecule(d);
 652           reg = reg.right_str(reg.length_i()-1);
 653         }
 654     }
 655   else if (sym == "Freebase")
 656     {
 657       Molecule r = afm_find("scripts-accFreebase");
 658       m.add_molecule(r);
 659       if (reg.left_str(1) == "F")
 660         {
 661           Molecule d = afm_find("scripts-accDot");
 662           d.translate_axis(interline_f * 1.5 PT, Y_AXIS);
 663           m.add_molecule(d);
 664           reg = reg.right_str(reg.length_i()-1);
 665         }
 666       if (reg == "E")
 667         {
 668           Molecule d = afm_find("scripts-accDot");
 669           d.translate_axis(interline_f * 0.5 PT, Y_AXIS);
 670           m.add_molecule(d);
 671         }
 672     }
 673   else if (sym == "Bayanbase")
 674     {
 675       Molecule r = afm_find("scripts-accBayanbase");
 676       m.add_molecule(r);
 677       if (reg.left_str(1) == "T")
 678         {
 679           Molecule d = afm_find("scripts-accDot");
 680           d.translate_axis(interline_f * 2.5 PT, Y_AXIS);
 681           m.add_molecule(d);
 682           reg = reg.right_str(reg.length_i()-1);
 683         }
 684       /* include 4' reed just for completeness. You don't want to use this. */
 685       if (reg.left_str(1) == "F")
 686         {
 687           Molecule d = afm_find("scripts-accDot");
 688           d.translate_axis(interline_f * 1.5 PT, Y_AXIS);
 689           m.add_molecule(d);
 690           reg = reg.right_str(reg.length_i()-1);
 691         }
 692       if (reg.left_str(2) == "EE")
 693         {
 694           Molecule d = afm_find("scripts-accDot");
 695           d.translate_axis(interline_f * 0.5 PT, Y_AXIS);
 696           d.translate_axis(0.4 * interline_f PT, X_AXIS);
 697           m.add_molecule(d);
 698           d.translate_axis(-0.8 * interline_f PT, X_AXIS);
 699           m.add_molecule(d);
 700           reg = reg.right_str(reg.length_i()-2);
 701         }
 702       if (reg.left_str(1) == "E")
 703         {
 704           Molecule d = afm_find("scripts-accDot");
 705           d.translate_axis(interline_f * 0.5 PT, Y_AXIS);
 706           m.add_molecule(d);
 707           reg = reg.right_str(reg.length_i()-1);
 708         }
 709     }
 710   else if (sym == "Stdbase")
 711     {
 712       Molecule r = afm_find("scripts-accStdbase");
 713       m.add_molecule(r);
 714       if (reg.left_str(1) == "T")
 715         {
 716           Molecule d = afm_find("scripts-accDot");
 717           d.translate_axis(interline_f * 3.5 PT, Y_AXIS);
 718           m.add_molecule(d);
 719           reg = reg.right_str(reg.length_i()-1);
 720         }
 721       if (reg.left_str(1) == "F")
 722         {
 723           Molecule d = afm_find("scripts-accDot");
 724           d.translate_axis(interline_f * 2.5 PT, Y_AXIS);
 725           m.add_molecule(d);
 726           reg = reg.right_str(reg.length_i()-1);
 727         }
 728       if (reg.left_str(1) == "M")
 729         {
 730           Molecule d = afm_find("scripts-accDot");
 731           d.translate_axis(interline_f * 2 PT, Y_AXIS);
 732           d.translate_axis(interline_f PT, X_AXIS);
 733           m.add_molecule(d);
 734           reg = reg.right_str(reg.length_i()-1);
 735         }
 736       if (reg.left_str(1) == "E")
 737         {
 738           Molecule d = afm_find("scripts-accDot");
 739           d.translate_axis(interline_f * 1.5 PT, Y_AXIS);
 740           m.add_molecule(d);
 741           reg = reg.right_str(reg.length_i()-1);
 742         }
 743       if (reg.left_str(1) == "S")
 744         {
 745           Molecule d = afm_find("scripts-accDot");
 746           d.translate_axis(interline_f * 0.5 PT, Y_AXIS);
 747           m.add_molecule(d);
 748           reg = reg.right_str(reg.length_i()-1);
 749         }
 750     }
 751   /* ugh maybe try to use regular font for S.B. and B.B and only use one font
 752      for the rectangle */
 753   else if (sym == "SB")
 754     {
 755       Molecule r = afm_find("scripts-accSB");
 756       m.add_molecule(r);
 757     }
 758   else if (sym == "BB")
 759     {
 760       Molecule r = afm_find("scripts-accBB");
 761       m.add_molecule(r);
 762     }
 763   else if (sym == "OldEE")
 764     {
 765       Molecule r = afm_find("scripts-accOldEE");
 766       m.add_molecule(r);
 767     }
 768   else if (sym == "OldEES")
 769     {
 770       Molecule r = afm_find("scripts-accOldEES");
 771       m.add_molecule(r);
 772     }
 773   return m;
 774 }
 775