2 lookup.cc -- implement simple Lookup methods.
4 source file of the GNU LilyPond music typesetter
6 (c) 1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
8 Jan Nieuwenhuizen <janneke@gnu.org>
17 #include "dimensions.hh"
20 #include "paper-def.hh"
21 #include "string-convert.hh"
22 #include "file-path.hh"
24 #include "lily-guile.hh"
25 #include "all-font-metrics.hh"
28 #include "molecule.hh"
30 #include "lily-guile.hh"
38 Lookup::Lookup (Lookup const& s)
40 font_name_ = s.font_name_;
46 build a ledger line for small pieces.
49 Lookup::ledger_line (Interval xwid) const
51 Drul_array<Molecule> endings;
52 endings[LEFT] = afm_find ("noteheads-ledgerending");
53 Molecule * e = &endings[LEFT];
56 Real thick = e->dim_[Y_AXIS].length();
57 Real len = e->dim_[X_AXIS].length () - thick;
62 endings[d].translate_axis (xwid[d] - endings[d].dim_[X_AXIS][d], X_AXIS);
63 total.add_molecule (endings[d]);
64 } while ((flip(&d)) != LEFT);
66 Real xpos = xwid [LEFT] + len;
68 while (xpos + len + thick /2 <= xwid[RIGHT])
70 e->translate_axis (len, X_AXIS);
71 total.add_molecule (*e);
80 Lookup::afm_find (String s, bool warn) const
84 Lookup * me = (Lookup*)(this);
85 me->afm_l_ = all_fonts_global_p->find_afm (font_name_);
88 warning (_f ("Can't find font: `%s'", font_name_));
89 warning (_f ("(search path `%s')", global_path.str ().ch_C()));
90 error (_ ("Aborting"));
93 AFM_CharMetricInfo const *cm = afm_l_->find_char_metric (s, warn);
101 Atom* at = new Atom (gh_list (ly_symbol2scm ("char"),
102 gh_int2scm (cm->code),
105 at->fontify (afm_l_);
106 m.dim_ = afm_bbox_to_box (cm->charBBox);
107 m.add_atom (at->self_scm_);
112 Lookup::simple_bar (String type, Real h, Paper_def* paper_l) const
114 SCM thick = ly_symbol2scm (("barthick_" + type).ch_C());
117 if (paper_l->scope_p_->elem_b (thick))
119 w = paper_l->get_realvar (thick);
123 programming_error ("No bar thickness set ! ");
126 return filledbox (Box (Interval(0,w), Interval(-h/2, h/2)));
131 Lookup::bar (String str, Real h, Paper_def *paper_l) const
133 if (str == "bracket")
134 return staff_bracket (h, paper_l);
135 else if (str == "brace")
137 Real staffht = paper_l->get_var ("staffheight");
138 return staff_brace (h,staffht);
140 Real kern = paper_l->get_var ("bar_kern");
141 Real thinkern = paper_l->get_var ("bar_thinkern");
143 Molecule thin = simple_bar ("thin", h, paper_l);
144 Molecule thick = simple_bar ("thick", h, paper_l);
145 Molecule colon = afm_find ("dots-repeatcolon", paper_l);
151 return fill (Box (Interval(0, 0), Interval (-h/2, h/2)));
153 if (str == "scorepostbreak")
155 return simple_bar ("score", h, paper_l);
161 else if (str == "|.")
163 m.add_at_edge (X_AXIS, LEFT, thick, 0);
164 m.add_at_edge (X_AXIS, LEFT, thin, kern);
166 else if (str == ".|")
168 m.add_at_edge (X_AXIS, RIGHT, thick, 0);
169 m.add_at_edge (X_AXIS, RIGHT, thin, kern);
171 else if (str == ":|")
173 m.add_at_edge (X_AXIS, LEFT, thick, 0);
174 m.add_at_edge (X_AXIS, LEFT, thin, kern);
175 m.add_at_edge (X_AXIS, LEFT, colon, kern);
177 else if (str == "|:")
179 m.add_at_edge (X_AXIS, RIGHT, thick, 0);
180 m.add_at_edge (X_AXIS, RIGHT, thin, kern);
181 m.add_at_edge (X_AXIS, RIGHT, colon, kern);
183 else if (str == ":|:")
185 m.add_at_edge (X_AXIS, LEFT, thick, thinkern);
186 m.add_at_edge (X_AXIS, LEFT, colon, kern);
187 m.add_at_edge (X_AXIS, RIGHT, thick, kern);
188 m.add_at_edge (X_AXIS, RIGHT, colon, kern);
190 else if (str == ".|.")
192 m.add_at_edge (X_AXIS, LEFT, thick, thinkern);
193 m.add_at_edge (X_AXIS, RIGHT, thick, kern);
195 else if (str == "||")
197 m.add_at_edge (X_AXIS, RIGHT, thin, 0);
198 m.add_at_edge (X_AXIS, RIGHT, thin, thinkern);
205 Lookup::beam (Real slope, Real width, Real thick) const
207 Real height = slope * width;
208 Real min_y = (0 <? height) - thick/2;
209 Real max_y = (0 >? height) + thick/2;
213 m.dim_[X_AXIS] = Interval (0, width);
214 m.dim_[Y_AXIS] = Interval (min_y, max_y);
218 (gh_list (ly_symbol2scm ("beam"),
219 gh_double2scm (width),
220 gh_double2scm (slope),
221 gh_double2scm (thick),
224 m.add_atom (at->self_scm_);
234 Lookup::dashed_slur (Bezier b, Real thick, Real dash) const
237 for (int i= 4; i -- ;)
239 l = gh_cons (ly_offset2scm (b.control_[i]), l);
242 Atom *at = new Atom(gh_list (ly_symbol2scm ("dashed-slur"),
243 gh_double2scm (thick),
244 gh_double2scm (dash),
248 m.add_atom (at->self_scm_);
256 Lookup::fill (Box b) const
265 Lookup::filledbox (Box b ) const
269 Atom* at = new Atom(gh_list (ly_symbol2scm ("filledbox"),
270 gh_double2scm (-b[X_AXIS][LEFT]),
271 gh_double2scm (b[X_AXIS][RIGHT]),
272 gh_double2scm (-b[Y_AXIS][DOWN]),
273 gh_double2scm (b[Y_AXIS][UP]),
277 m.add_atom (at->self_scm_);
282 TODO: THIS IS UGLY. Since the user has direct access to TeX
283 strings, we try some halfbaked attempt to detect TeX trickery.
286 sanitise_TeX_string (String text)
289 for (int i= 0; i < text.length_i (); i++)
296 else if (text[i] == '}')
302 warning (_f ("Non-matching braces in text `%s', adding braces", text.ch_C()));
306 text = to_str ('{', -brace_count) + text;
310 text = text + to_str ('}', brace_count);
321 sanitise_PS_string (String t)
330 Lookup::text (String style, String text, Paper_def *paper_l) const
333 if (style.empty_b ())
337 Real font_h = paper_l->get_var ("font_normal");
338 if (paper_l->scope_p_->elem_b ("font_" + style))
340 font_h = paper_l->get_var ("font_" + style);
344 if (paper_l->scope_p_->elem_b ("magnification_" + style))
346 font_mag = (int)paper_l->get_var ("magnification_" + style);
352 SCM l = ly_eval_str (("(style-to-cmr \"" + style + "\")").ch_C());
355 style = ly_scm2string (gh_cdr(l)) +to_str ((int)font_h);
360 Font_metric* metric_l = 0;
363 metric_l = all_fonts_global_p->find_scaled (style, font_mag);
365 metric_l = all_fonts_global_p->find_font (style);
368 if (output_global_ch == "tex")
369 text = sanitise_TeX_string (text);
370 else if (output_global_ch == "ps")
371 text = sanitise_PS_string (text);
373 m.dim_ = metric_l->text_dimension (text);
375 Atom *at = new Atom (gh_list (ly_symbol2scm ("text"),
376 ly_str02scm (text.ch_C()),
378 at->fontify (metric_l);
380 m.add_atom (at->self_scm_);
387 Lookup::staff_brace (Real y, int staff_size) const
392 int minht = 2 * staff_size;
393 int maxht = 7 * minht;
394 int idx = int (((maxht - step) <? y - minht) / step);
398 String nm = String ("feta-braces" + to_str (staff_size));
399 SCM e =gh_list (ly_symbol2scm ("char"), gh_int2scm (idx), SCM_UNDEFINED);
400 Atom *at = new Atom (e);
402 at->fontify (all_fonts_global_p->find_font (nm));
404 m.dim_[Y_AXIS] = Interval (-y/2,y/2);
405 m.dim_[X_AXIS] = Interval (0,0);
406 m.add_atom (at->self_scm_);
412 Make a smooth curve along the points
415 Lookup::slur (Bezier curve, Real curvethick, Real linethick) const
417 Real alpha = (curve.control_[3] - curve.control_[0]).arg ();
421 back.control_[1] += curvethick * complex_exp (Offset (0, alpha + M_PI/2));
422 back.control_[2] += curvethick * complex_exp (Offset (0, alpha + M_PI/2));
426 scontrols[ i ] = ly_offset2scm (back.control_[i]);
428 scontrols[i+4] = ly_offset2scm (curve.control_[i]);
431 Need the weird order b.o. the way PS want its arguments
433 int indices[]= {5, 6, 7, 4, 1, 2, 3, 0};
435 for (int i= 8; i--; )
437 list = gh_cons (scontrols[indices[i]], list);
441 Atom *at = new Atom (gh_list (ly_symbol2scm ("bezier-sandwich"),
443 gh_double2scm (linethick),
447 m.dim_[X_AXIS] = curve.extent (X_AXIS);
448 m.dim_[Y_AXIS] = curve.extent (Y_AXIS);
449 m.add_atom (at->self_scm_);
454 Lookup::staff_bracket (Real height, Paper_def* paper_l) const
457 Atom *at = new Atom ( gh_list (ly_symbol2scm ("bracket"),
458 gh_double2scm (paper_l->get_var("bracket_arch_angle")),
459 gh_double2scm (paper_l->get_var("bracket_arch_width")),
460 gh_double2scm (paper_l->get_var("bracket_arch_height")),
461 gh_double2scm (paper_l->get_var("bracket_width")),
462 gh_double2scm (height),
463 gh_double2scm (paper_l->get_var("bracket_arch_thick")),
464 gh_double2scm (paper_l->get_var("bracket_thick")),
467 m.add_atom (at->self_scm_);
468 m.dim_[Y_AXIS] = Interval (-height/2,height/2);
469 m.dim_[X_AXIS] = Interval (0,4 PT);
471 m.translate_axis (- 4. / 3. * m.dim_[X_AXIS].length (), X_AXIS);
476 Lookup::volta (Real h, Real w, Real thick, bool vert_start, bool vert_end) const
480 Atom *at = new Atom(gh_list (ly_symbol2scm ("volta"),
483 gh_double2scm (thick),
484 gh_int2scm (vert_start),
485 gh_int2scm (vert_end),
488 m.dim_[Y_AXIS] = Interval (- h/2, h/2);
489 m.dim_[X_AXIS] = Interval (0, w);
491 m.add_atom (at->self_scm_);
496 Lookup::accordion (SCM s, Real staff_space) const
499 String sym = ly_scm2string(gh_car (s));
500 String reg = ly_scm2string(gh_car (gh_cdr(s)));
502 if (sym == "Discant")
504 Molecule r = afm_find("scripts-accDiscant");
506 if (reg.left_str(1) == "F")
508 Molecule d = afm_find("scripts-accDot");
509 d.translate_axis(staff_space * 2.5 PT, Y_AXIS);
511 reg = reg.right_str(reg.length_i()-1);
514 if (reg.left_str(3) == "EEE")
517 reg = reg.right_str(reg.length_i()-3);
519 else if (reg.left_str(2) == "EE")
522 reg = reg.right_str(reg.length_i()-2);
524 else if (reg.left_str(2) == "Eh")
527 reg = reg.right_str(reg.length_i()-2);
529 else if (reg.left_str(1) == "E")
532 reg = reg.right_str(reg.length_i()-1);
536 Molecule d = afm_find("scripts-accDot");
537 d.translate_axis(staff_space * 1.5 PT, Y_AXIS);
542 Molecule d = afm_find("scripts-accDot");
543 d.translate_axis(staff_space * 1.5 PT, Y_AXIS);
544 d.translate_axis(0.8 * staff_space PT, X_AXIS);
549 Molecule d = afm_find("scripts-accDot");
550 d.translate_axis(staff_space * 1.5 PT, Y_AXIS);
551 d.translate_axis(-0.8 * staff_space PT, X_AXIS);
554 if (reg.left_str(2) == "SS")
556 Molecule d = afm_find("scripts-accDot");
557 d.translate_axis(0.5 * staff_space PT, Y_AXIS);
558 d.translate_axis(0.4 * staff_space PT, X_AXIS);
560 d.translate_axis(-0.8 * staff_space PT, X_AXIS);
562 reg = reg.right_str(reg.length_i()-2);
564 if (reg.left_str(1) == "S")
566 Molecule d = afm_find("scripts-accDot");
567 d.translate_axis(0.5 * staff_space PT, Y_AXIS);
569 reg = reg.right_str(reg.length_i()-1);
572 else if (sym == "Freebase")
574 Molecule r = afm_find("scripts-accFreebase");
576 if (reg.left_str(1) == "F")
578 Molecule d = afm_find("scripts-accDot");
579 d.translate_axis(staff_space * 1.5 PT, Y_AXIS);
581 reg = reg.right_str(reg.length_i()-1);
585 Molecule d = afm_find("scripts-accDot");
586 d.translate_axis(staff_space * 0.5 PT, Y_AXIS);
590 else if (sym == "Bayanbase")
592 Molecule r = afm_find("scripts-accBayanbase");
594 if (reg.left_str(1) == "T")
596 Molecule d = afm_find("scripts-accDot");
597 d.translate_axis(staff_space * 2.5 PT, Y_AXIS);
599 reg = reg.right_str(reg.length_i()-1);
601 /* include 4' reed just for completeness. You don't want to use this. */
602 if (reg.left_str(1) == "F")
604 Molecule d = afm_find("scripts-accDot");
605 d.translate_axis(staff_space * 1.5 PT, Y_AXIS);
607 reg = reg.right_str(reg.length_i()-1);
609 if (reg.left_str(2) == "EE")
611 Molecule d = afm_find("scripts-accDot");
612 d.translate_axis(staff_space * 0.5 PT, Y_AXIS);
613 d.translate_axis(0.4 * staff_space PT, X_AXIS);
615 d.translate_axis(-0.8 * staff_space PT, X_AXIS);
617 reg = reg.right_str(reg.length_i()-2);
619 if (reg.left_str(1) == "E")
621 Molecule d = afm_find("scripts-accDot");
622 d.translate_axis(staff_space * 0.5 PT, Y_AXIS);
624 reg = reg.right_str(reg.length_i()-1);
627 else if (sym == "Stdbase")
629 Molecule r = afm_find("scripts-accStdbase");
631 if (reg.left_str(1) == "T")
633 Molecule d = afm_find("scripts-accDot");
634 d.translate_axis(staff_space * 3.5 PT, Y_AXIS);
636 reg = reg.right_str(reg.length_i()-1);
638 if (reg.left_str(1) == "F")
640 Molecule d = afm_find("scripts-accDot");
641 d.translate_axis(staff_space * 2.5 PT, Y_AXIS);
643 reg = reg.right_str(reg.length_i()-1);
645 if (reg.left_str(1) == "M")
647 Molecule d = afm_find("scripts-accDot");
648 d.translate_axis(staff_space * 2 PT, Y_AXIS);
649 d.translate_axis(staff_space PT, X_AXIS);
651 reg = reg.right_str(reg.length_i()-1);
653 if (reg.left_str(1) == "E")
655 Molecule d = afm_find("scripts-accDot");
656 d.translate_axis(staff_space * 1.5 PT, Y_AXIS);
658 reg = reg.right_str(reg.length_i()-1);
660 if (reg.left_str(1) == "S")
662 Molecule d = afm_find("scripts-accDot");
663 d.translate_axis(staff_space * 0.5 PT, Y_AXIS);
665 reg = reg.right_str(reg.length_i()-1);
668 /* ugh maybe try to use regular font for S.B. and B.B and only use one font
670 else if (sym == "SB")
672 Molecule r = afm_find("scripts-accSB");
675 else if (sym == "BB")
677 Molecule r = afm_find("scripts-accBB");
680 else if (sym == "OldEE")
682 Molecule r = afm_find("scripts-accOldEE");
685 else if (sym == "OldEES")
687 Molecule r = afm_find("scripts-accOldEES");