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_;
48 Lookup::afm_find (String s, bool warn) const
52 Lookup * me = (Lookup*)(this);
53 me->afm_l_ = all_fonts_global_p->find_afm (font_name_);
56 warning (_f ("Can't find font: `%s'", font_name_));
57 warning (_f ("(search path `%s')", global_path.str ().ch_C()));
58 error (_ ("Aborting"));
61 AFM_CharMetricInfo const *cm = afm_l_->find_char_metric (s, warn);
69 SCM at = (gh_list (ly_symbol2scm ("char"),
70 gh_int2scm (cm->code),
73 at= fontify_atom (afm_l_,at);
74 m.dim_ = afm_bbox_to_box (cm->charBBox);
80 Lookup::simple_bar (String type, Real h, Paper_def* paper_l) const
82 SCM thick = ly_symbol2scm (("barthick_" + type).ch_C());
85 if (paper_l->scope_p_->elem_b (thick))
87 w = paper_l->get_realvar (thick);
91 programming_error ("No bar thickness set ! ");
94 return filledbox (Box (Interval(0,w), Interval(-h/2, h/2)));
99 Lookup::bar (String str, Real h, Paper_def *paper_l) const
101 if (str == "bracket")
102 return staff_bracket (h, paper_l);
103 else if (str == "brace")
105 Real staffht = paper_l->get_var ("staffheight");
106 return staff_brace (h,staffht);
108 Real kern = paper_l->get_var ("bar_kern");
109 Real thinkern = paper_l->get_var ("bar_thinkern");
111 Molecule thin = simple_bar ("thin", h, paper_l);
112 Molecule thick = simple_bar ("thick", h, paper_l);
113 Molecule colon = afm_find ("dots-repeatcolon", paper_l);
119 return fill (Box (Interval(0, 0), Interval (-h/2, h/2)));
121 if (str == "scorepostbreak")
123 return simple_bar ("score", h, paper_l);
129 else if (str == "|.")
131 m.add_at_edge (X_AXIS, LEFT, thick, 0);
132 m.add_at_edge (X_AXIS, LEFT, thin, kern);
134 else if (str == ".|")
136 m.add_at_edge (X_AXIS, RIGHT, thick, 0);
137 m.add_at_edge (X_AXIS, RIGHT, thin, kern);
139 else if (str == ":|")
141 m.add_at_edge (X_AXIS, LEFT, thick, 0);
142 m.add_at_edge (X_AXIS, LEFT, thin, kern);
143 m.add_at_edge (X_AXIS, LEFT, colon, kern);
145 else if (str == "|:")
147 m.add_at_edge (X_AXIS, RIGHT, thick, 0);
148 m.add_at_edge (X_AXIS, RIGHT, thin, kern);
149 m.add_at_edge (X_AXIS, RIGHT, colon, kern);
151 else if (str == ":|:")
153 m.add_at_edge (X_AXIS, LEFT, thick, thinkern);
154 m.add_at_edge (X_AXIS, LEFT, colon, kern);
155 m.add_at_edge (X_AXIS, RIGHT, thick, kern);
156 m.add_at_edge (X_AXIS, RIGHT, colon, kern);
158 else if (str == ".|.")
160 m.add_at_edge (X_AXIS, LEFT, thick, thinkern);
161 m.add_at_edge (X_AXIS, RIGHT, thick, kern);
163 else if (str == "||")
165 m.add_at_edge (X_AXIS, RIGHT, thin, 0);
166 m.add_at_edge (X_AXIS, RIGHT, thin, thinkern);
173 Lookup::beam (Real slope, Real width, Real thick)
175 Real height = slope * width;
176 Real min_y = (0 <? height) - thick/2;
177 Real max_y = (0 >? height) + thick/2;
181 m.dim_[X_AXIS] = Interval (0, width);
182 m.dim_[Y_AXIS] = Interval (min_y, max_y);
185 SCM at = (gh_list (ly_symbol2scm ("beam"),
186 gh_double2scm (width),
187 gh_double2scm (slope),
188 gh_double2scm (thick),
198 Lookup::dashed_slur (Bezier b, Real thick, Real dash)
201 for (int i= 4; i -- ;)
203 l = gh_cons (ly_offset2scm (b.control_[i]), l);
206 SCM at = (gh_list (ly_symbol2scm ("dashed-slur"),
207 gh_double2scm (thick),
208 gh_double2scm (dash),
229 Lookup::filledbox (Box b )
233 SCM at = (gh_list (ly_symbol2scm ("filledbox"),
234 gh_double2scm (-b[X_AXIS][LEFT]),
235 gh_double2scm (b[X_AXIS][RIGHT]),
236 gh_double2scm (-b[Y_AXIS][DOWN]),
237 gh_double2scm (b[Y_AXIS][UP]),
246 Lookup::frame (Box b, Real thick)
255 Axis o = Axis ((a+1)%NO_AXES);
258 edges[a] = b[a][d] + 0.5 * thick * Interval (-1, 1);
259 edges[o][DOWN] = b[o][DOWN] - thick/2;
260 edges[o][UP] = b[o][UP] + thick/2;
263 m.add_molecule (filledbox (edges));
265 while (flip (&d) != LEFT);
273 TODO: THIS IS UGLY. Since the user has direct access to TeX
274 strings, we try some halfbaked attempt to detect TeX trickery.
277 sanitise_TeX_string (String text)
280 for (int i= 0; i < text.length_i (); i++)
287 else if (text[i] == '}')
293 warning (_f ("Non-matching braces in text `%s', adding braces", text.ch_C()));
297 text = to_str ('{', -brace_count) + text;
301 text = text + to_str ('}', brace_count);
312 sanitise_PS_string (String t)
321 Lookup::text (String style, String text, Paper_def *paper_l)
324 if (style.empty_b ())
328 Real font_h = paper_l->get_var ("font_normal");
329 if (paper_l->scope_p_->elem_b ("font_" + style))
331 font_h = paper_l->get_var ("font_" + style);
335 if (paper_l->scope_p_->elem_b ("magnification_" + style))
337 font_mag = (int)paper_l->get_var ("magnification_" + style);
343 SCM l = ly_eval_str (("(style-to-cmr \"" + style + "\")").ch_C());
346 style = ly_scm2string (gh_cdr(l)) +to_str ((int)font_h);
351 Font_metric* metric_l = 0;
354 metric_l = all_fonts_global_p->find_scaled (style, font_mag);
356 metric_l = all_fonts_global_p->find_font (style);
359 if (output_global_ch == "tex")
360 text = sanitise_TeX_string (text);
361 else if (output_global_ch == "ps")
362 text = sanitise_PS_string (text);
364 m.dim_ = metric_l->text_dimension (text);
366 SCM at = (gh_list (ly_symbol2scm ("text"),
367 ly_str02scm (text.ch_C()),
369 at = fontify_atom (metric_l,at);
378 Lookup::staff_brace (Real y, int staff_size)
384 int minht = 2 * staff_size;
385 int maxht = 7 * minht;
386 int idx = int (((maxht - step) <? y - minht) / step);
389 SCM l = ly_eval_str ("(style-to-cmr \"brace\")");
390 String nm = "feta-braces";
392 nm = ly_scm2string (gh_cdr (l));
393 nm += to_str (staff_size);
394 SCM e =gh_list (ly_symbol2scm ("char"), gh_int2scm (idx), SCM_UNDEFINED);
397 at = fontify_atom (all_fonts_global_p->find_font (nm), at);
399 m.dim_[Y_AXIS] = Interval (-y/2,y/2);
400 m.dim_[X_AXIS] = Interval (0,0);
407 Make a smooth curve along the points
410 Lookup::slur (Bezier curve, Real curvethick, Real linethick)
412 Real alpha = (curve.control_[3] - curve.control_[0]).arg ();
416 back.control_[1] += curvethick * complex_exp (Offset (0, alpha + M_PI/2));
417 back.control_[2] += curvethick * complex_exp (Offset (0, alpha + M_PI/2));
421 scontrols[ i ] = ly_offset2scm (back.control_[i]);
423 scontrols[i+4] = ly_offset2scm (curve.control_[i]);
426 Need the weird order b.o. the way PS want its arguments
428 int indices[]= {5, 6, 7, 4, 1, 2, 3, 0};
430 for (int i= 8; i--; )
432 list = gh_cons (scontrols[indices[i]], list);
436 SCM at = (gh_list (ly_symbol2scm ("bezier-sandwich"),
438 gh_double2scm (linethick),
442 m.dim_[X_AXIS] = curve.extent (X_AXIS);
443 m.dim_[Y_AXIS] = curve.extent (Y_AXIS);
449 Lookup::staff_bracket (Real height, Paper_def* paper_l)
452 SCM at = ( gh_list (ly_symbol2scm ("bracket"),
453 gh_double2scm (paper_l->get_var("bracket_arch_angle")),
454 gh_double2scm (paper_l->get_var("bracket_arch_width")),
455 gh_double2scm (paper_l->get_var("bracket_arch_height")),
456 gh_double2scm (paper_l->get_var("bracket_width")),
457 gh_double2scm (height),
458 gh_double2scm (paper_l->get_var("bracket_arch_thick")),
459 gh_double2scm (paper_l->get_var("bracket_thick")),
463 m.dim_[Y_AXIS] = Interval (-height/2,height/2);
464 m.dim_[X_AXIS] = Interval (0,4 PT);
466 m.translate_axis (- 4. / 3. * m.dim_[X_AXIS].length (), X_AXIS);
472 Lookup::accordion (SCM s, Real staff_space) const
475 String sym = ly_scm2string(gh_car (s));
476 String reg = ly_scm2string(gh_car (gh_cdr(s)));
478 if (sym == "Discant")
480 Molecule r = afm_find("scripts-accDiscant");
482 if (reg.left_str(1) == "F")
484 Molecule d = afm_find("scripts-accDot");
485 d.translate_axis(staff_space * 2.5 PT, Y_AXIS);
487 reg = reg.right_str(reg.length_i()-1);
490 if (reg.left_str(3) == "EEE")
493 reg = reg.right_str(reg.length_i()-3);
495 else if (reg.left_str(2) == "EE")
498 reg = reg.right_str(reg.length_i()-2);
500 else if (reg.left_str(2) == "Eh")
503 reg = reg.right_str(reg.length_i()-2);
505 else if (reg.left_str(1) == "E")
508 reg = reg.right_str(reg.length_i()-1);
512 Molecule d = afm_find("scripts-accDot");
513 d.translate_axis(staff_space * 1.5 PT, Y_AXIS);
518 Molecule d = afm_find("scripts-accDot");
519 d.translate_axis(staff_space * 1.5 PT, Y_AXIS);
520 d.translate_axis(0.8 * staff_space PT, X_AXIS);
525 Molecule d = afm_find("scripts-accDot");
526 d.translate_axis(staff_space * 1.5 PT, Y_AXIS);
527 d.translate_axis(-0.8 * staff_space PT, X_AXIS);
530 if (reg.left_str(2) == "SS")
532 Molecule d = afm_find("scripts-accDot");
533 d.translate_axis(0.5 * staff_space PT, Y_AXIS);
534 d.translate_axis(0.4 * staff_space PT, X_AXIS);
536 d.translate_axis(-0.8 * staff_space PT, X_AXIS);
538 reg = reg.right_str(reg.length_i()-2);
540 if (reg.left_str(1) == "S")
542 Molecule d = afm_find("scripts-accDot");
543 d.translate_axis(0.5 * staff_space PT, Y_AXIS);
545 reg = reg.right_str(reg.length_i()-1);
548 else if (sym == "Freebase")
550 Molecule r = afm_find("scripts-accFreebase");
552 if (reg.left_str(1) == "F")
554 Molecule d = afm_find("scripts-accDot");
555 d.translate_axis(staff_space * 1.5 PT, Y_AXIS);
557 reg = reg.right_str(reg.length_i()-1);
561 Molecule d = afm_find("scripts-accDot");
562 d.translate_axis(staff_space * 0.5 PT, Y_AXIS);
566 else if (sym == "Bayanbase")
568 Molecule r = afm_find("scripts-accBayanbase");
570 if (reg.left_str(1) == "T")
572 Molecule d = afm_find("scripts-accDot");
573 d.translate_axis(staff_space * 2.5 PT, Y_AXIS);
575 reg = reg.right_str(reg.length_i()-1);
577 /* include 4' reed just for completeness. You don't want to use this. */
578 if (reg.left_str(1) == "F")
580 Molecule d = afm_find("scripts-accDot");
581 d.translate_axis(staff_space * 1.5 PT, Y_AXIS);
583 reg = reg.right_str(reg.length_i()-1);
585 if (reg.left_str(2) == "EE")
587 Molecule d = afm_find("scripts-accDot");
588 d.translate_axis(staff_space * 0.5 PT, Y_AXIS);
589 d.translate_axis(0.4 * staff_space PT, X_AXIS);
591 d.translate_axis(-0.8 * staff_space PT, X_AXIS);
593 reg = reg.right_str(reg.length_i()-2);
595 if (reg.left_str(1) == "E")
597 Molecule d = afm_find("scripts-accDot");
598 d.translate_axis(staff_space * 0.5 PT, Y_AXIS);
600 reg = reg.right_str(reg.length_i()-1);
603 else if (sym == "Stdbase")
605 Molecule r = afm_find("scripts-accStdbase");
607 if (reg.left_str(1) == "T")
609 Molecule d = afm_find("scripts-accDot");
610 d.translate_axis(staff_space * 3.5 PT, Y_AXIS);
612 reg = reg.right_str(reg.length_i()-1);
614 if (reg.left_str(1) == "F")
616 Molecule d = afm_find("scripts-accDot");
617 d.translate_axis(staff_space * 2.5 PT, Y_AXIS);
619 reg = reg.right_str(reg.length_i()-1);
621 if (reg.left_str(1) == "M")
623 Molecule d = afm_find("scripts-accDot");
624 d.translate_axis(staff_space * 2 PT, Y_AXIS);
625 d.translate_axis(staff_space PT, X_AXIS);
627 reg = reg.right_str(reg.length_i()-1);
629 if (reg.left_str(1) == "E")
631 Molecule d = afm_find("scripts-accDot");
632 d.translate_axis(staff_space * 1.5 PT, Y_AXIS);
634 reg = reg.right_str(reg.length_i()-1);
636 if (reg.left_str(1) == "S")
638 Molecule d = afm_find("scripts-accDot");
639 d.translate_axis(staff_space * 0.5 PT, Y_AXIS);
641 reg = reg.right_str(reg.length_i()-1);
644 /* ugh maybe try to use regular font for S.B. and B.B and only use one font
646 else if (sym == "SB")
648 Molecule r = afm_find("scripts-accSB");
651 else if (sym == "BB")
653 Molecule r = afm_find("scripts-accBB");
656 else if (sym == "OldEE")
658 Molecule r = afm_find("scripts-accOldEE");
661 else if (sym == "OldEES")
663 Molecule r = afm_find("scripts-accOldEES");