2 lookup.cc -- implement simple Lookup methods.
4 source file of the GNU LilyPond music typesetter
6 (c) 1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
8 Jan Nieuwenhuizen <janneke@gnu.org>
17 #include "dimensions.hh"
19 #include "paper-def.hh"
20 #include "string-convert.hh"
21 #include "file-path.hh"
23 #include "lily-guile.hh"
24 #include "all-font-metrics.hh"
27 #include "molecule.hh"
29 #include "lily-guile.hh"
37 Lookup::Lookup (Lookup
const& s
)
39 font_name_
= s
.font_name_
;
45 build a ledger line for small pieces.
48 Lookup::ledger_line (Interval xwid
) const
50 Drul_array
<Molecule
> endings
;
51 endings
[LEFT
] = afm_find ("noteheads-ledgerending");
52 Molecule
* e
= &endings
[LEFT
];
55 Real thick
= e
->dim_
[Y_AXIS
].length();
56 Real len
= e
->dim_
[X_AXIS
].length () - thick
;
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
);
65 Real xpos
= xwid
[LEFT
] + len
;
67 while (xpos
+ len
+ thick
/2 <= xwid
[RIGHT
])
69 e
->translate_axis (len
, X_AXIS
);
70 total
.add_molecule (*e
);
81 Lookup::afm_find (String s
, bool warn
) const
85 Lookup
* me
= (Lookup
*)(this);
86 me
->afm_l_
= all_fonts_global_p
->find_afm (font_name_
);
89 warning (_f ("Can't find font: `%s'", font_name_
));
90 warning (_f ("(search path: `%s')", global_path
.str ().ch_C()));
91 error (_ ("Aborting"));
94 Adobe_font_char_metric cm
= afm_l_
->find_char (s
, warn
);
99 don't want people relying on this kind of dimension.
105 Atom
at (gh_list (ly_symbol2scm ("char"),
106 gh_int2scm (cm
.code ()),
110 m
.dim_
= cm
.dimensions();
116 Lookup::simple_bar (String type
, Real h
, Paper_def
* paper_l
) const
118 SCM thick
= ly_symbol2scm (("barthick_" + type
).ch_C());
121 if (paper_l
->scope_p_
->elem_b (thick
))
123 w
= paper_l
->get_realvar (thick
);
127 programming_error ("No bar thickness set ! ");
130 return filledbox (Box (Interval(0,w
), Interval(-h
/2, h
/2)));
135 Lookup::bar (String str
, Real h
, Paper_def
*paper_l
) const
137 if (str
== "bracket")
138 return staff_bracket (h
, paper_l
);
139 else if (str
== "brace")
141 Real staffht
= paper_l
->get_var ("staffheight");
142 return staff_brace (h
,staffht
);
144 Real kern
= paper_l
->get_var ("bar_kern");
145 Real thinkern
= paper_l
->get_var ("bar_thinkern");
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
);
155 return fill (Box (Interval(0, 0), Interval (-h
/2, h
/2)));
157 if (str
== "scorepostbreak")
159 return simple_bar ("score", h
, paper_l
);
165 else if (str
== "|.")
167 m
.add_at_edge (X_AXIS
, LEFT
, thick
, 0);
168 m
.add_at_edge (X_AXIS
, LEFT
, thin
, kern
);
170 else if (str
== ".|")
172 m
.add_at_edge (X_AXIS
, RIGHT
, thick
, 0);
173 m
.add_at_edge (X_AXIS
, RIGHT
, thin
, kern
);
175 else if (str
== ":|")
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
);
181 else if (str
== "|:")
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
);
187 else if (str
== ":|:")
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
);
194 else if (str
== ".|.")
196 m
.add_at_edge (X_AXIS
, LEFT
, thick
, thinkern
);
197 m
.add_at_edge (X_AXIS
, RIGHT
, thick
, kern
);
199 else if (str
== "||")
201 m
.add_at_edge (X_AXIS
, RIGHT
, thin
, 0);
202 m
.add_at_edge (X_AXIS
, RIGHT
, thin
, thinkern
);
209 Lookup::beam (Real slope
, Real width
, Real thick
) const
211 Real height
= slope
* width
;
212 Real min_y
= (0 <? height
) - thick
/2;
213 Real max_y
= (0 >? height
) + thick
/2;
218 (gh_list (ly_symbol2scm ("beam"),
219 gh_double2scm (width
),
220 gh_double2scm (slope
),
221 gh_double2scm (thick
),
224 m
.dim_
[X_AXIS
] = Interval (0, width
);
225 m
.dim_
[Y_AXIS
] = Interval (min_y
, max_y
);
231 offset2scm (Offset o
)
233 return gh_list (gh_double2scm (o
[X_AXIS
]), gh_double2scm(o
[Y_AXIS
]),
238 Lookup::dashed_slur (Array
<Offset
> controls
, Real thick
, Real dash
) const
240 assert (controls
.size () == 8);
241 Offset d
= controls
[3] - controls
[0];
249 m
.dim_
[X_AXIS
] = Interval (0, dx
);
250 m
.dim_
[Y_AXIS
] = Interval (0 <? dy
, 0 >? dy
);
253 for (int i
=0; i
< 4; i
++)
255 sc
[i
] = offset2scm (controls
[i
]);
259 (gh_list (ly_symbol2scm ("dashed-slur"),
260 gh_double2scm (thick
),
261 gh_double2scm (dash
),
262 ly_quote_scm (array_to_list (sc
, 4)),
274 Lookup::fill (Box b
) const
284 Lookup::special_time_signature (String s
, int n
, int d
, Paper_def
*pap
) const
286 // First guess: s contains only the signature style
287 String symbolname
= "timesig-" + s
+ to_str (n
) + "/" + to_str (d
);
289 Molecule m
= afm_find (symbolname
, false);
293 // Second guess: s contains the full signature name
294 m
= afm_find ("timesig-"+s
, false);
298 // Resort to default layout with numbers
299 return time_signature (n
,d
,pap
);
303 Lookup::filledbox (Box b
) const
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
]),
320 TODO: THIS IS UGLY. Since the user has direct access to TeX
321 strings, we try some halfbaked attempt to detect TeX trickery.
324 sanitise_TeX_string (String text
)
327 for (int i
= 0; i
< text
.length_i (); i
++)
334 else if (text
[i
] == '}')
340 warning (_f ("Non-matching braces in text `%s', adding braces", text
.ch_C()));
344 text
= to_str ('{', -brace_count
) + text
;
348 text
= text
+ to_str ('}', brace_count
);
359 sanitise_PS_string (String t
)
368 Lookup::text (String style
, String text
, Paper_def
*paper_l
) const
371 if (style
.empty_b ())
375 Real font_h
= paper_l
->get_var ("font_normal");
376 if (paper_l
->scope_p_
->elem_b ("font_" + style
))
378 font_h
= paper_l
->get_var ("font_" + style
);
382 if (paper_l
->scope_p_
->elem_b ("magnification_" + style
))
384 font_mag
= (int)paper_l
->get_var ("magnification_" + style
);
390 SCM l
= ly_eval_str (("(style-to-cmr \"" + style
+ "\")").ch_C());
393 style
= ly_scm2string (gh_cdr(l
)) +to_str ((int)font_h
);
398 Font_metric
* metric_l
= 0;
401 metric_l
= all_fonts_global_p
->find_scaled (style
, font_mag
);
403 metric_l
= all_fonts_global_p
->find_font (style
);
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
);
411 m
.dim_
= metric_l
->text_dimension (text
);
413 Atom
at (gh_list (ly_symbol2scm ("text"),
414 ly_str02scm (text
.ch_C()),
416 at
.fontify (metric_l
);
426 Lookup::time_signature (int num
, int den
, Paper_def
*paper_l
) const
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
);
436 m
.add_at_edge (Y_AXIS
, UP
, n
, 0.0);
437 m
.add_at_edge (Y_AXIS
, DOWN
, d
, 0.0);
442 m
.align_to (Y_AXIS
, CENTER
);
448 Lookup::staff_brace (Real y
, int staff_size
) const
452 (define (pianobrace y staffht)
454 (minht (* 2 staffht))
458 (select-font (string-append "feta-braces" (number->string (inexact->exact staffht))) 0)
459 (char (max 0 (/ (- (min y (- maxht step)) minht) step))))
465 int minht
= 2 * staff_size
;
466 int maxht
= 7 * minht
;
467 int idx
= int (((maxht
- step
) <? y
- minht
) / step
);
471 String nm
= String ("feta-braces" + to_str (staff_size
));
472 SCM e
=gh_list (ly_symbol2scm ("char"), gh_int2scm (idx
), SCM_UNDEFINED
);
475 at
.fontify (all_fonts_global_p
->find_font (nm
));
477 m
.dim_
[Y_AXIS
] = Interval (-y
/2,y
/2);
478 m
.dim_
[X_AXIS
] = Interval (0,0);
484 Lookup::hairpin (Real width
, Real height
, Real thick
, bool decresc
, bool continued
) const
488 const char* hairpin
= decresc
? "decrescendo" : "crescendo";
489 Atom
at (gh_list (ly_symbol2scm (hairpin
),
490 gh_double2scm (thick
),
491 gh_double2scm (width
),
492 gh_double2scm (height
),
493 gh_double2scm (continued
? height
/2 : 0.0),
495 m
.dim_
.x () = Interval (0, width
);
496 m
.dim_
.y () = Interval (-2*height
, 2*height
);
503 Lookup::tuplet_bracket (Real dy
, Real dx
, Real thick
, Real gap
,
504 Real height
, Direction dir
) const
508 Atom
at (gh_list(ly_symbol2scm ("tuplet"),
509 gh_double2scm (height
),
513 gh_double2scm (thick
),
522 Make a smooth curve along the points
525 Lookup::slur (Array
<Offset
> controls
, Real linethick
) const
527 Offset delta_off
= controls
[3]- controls
[0];
531 int indices
[] = {5,6,7,4,1,2,3,0};
533 for (int i
= 0; i
< 8; i
++)
534 scontrols
[i
] = offset2scm (controls
[indices
[i
]]);
537 Atom
at (gh_list (ly_symbol2scm ("bezier-sandwich"),
538 ly_quote_scm (array_to_list (scontrols
, 8)),
539 gh_double2scm (linethick
),
542 m
.dim_
[X_AXIS
] = Interval (0, delta_off
[X_AXIS
]);
543 m
.dim_
[Y_AXIS
] = Interval (0 <? delta_off
[Y_AXIS
], 0 >? delta_off
[Y_AXIS
]);
549 Lookup::staff_bracket (Real height
, Paper_def
* paper_l
) const
552 Atom
at ( gh_list (ly_symbol2scm ("bracket"),
553 gh_double2scm (paper_l
->get_var("bracket_arch_angle")),
554 gh_double2scm (paper_l
->get_var("bracket_arch_width")),
555 gh_double2scm (paper_l
->get_var("bracket_arch_height")),
556 gh_double2scm (paper_l
->get_var("bracket_width")),
557 gh_double2scm (height
),
558 gh_double2scm (paper_l
->get_var("bracket_arch_thick")),
559 gh_double2scm (paper_l
->get_var("bracket_thick")),
563 m
.dim_
[Y_AXIS
] = Interval (-height
/2,height
/2);
564 m
.dim_
[X_AXIS
] = Interval (0,4 PT
);
566 m
.translate_axis (- 4. / 3. * m
.dim_
[X_AXIS
].length (), X_AXIS
);
571 Lookup::volta (Real h
, Real w
, Real thick
, bool vert_start
, bool vert_end
) const
575 Atom
at (gh_list (ly_symbol2scm ("volta"),
578 gh_double2scm (thick
),
579 gh_int2scm (vert_start
),
580 gh_int2scm (vert_end
),
583 m
.dim_
[Y_AXIS
] = Interval (- h
/2, h
/2);
584 m
.dim_
[X_AXIS
] = Interval (0, w
);
591 Lookup::accordion (SCM s
, Real interline_f
) const
594 String sym
= ly_scm2string(SCM_CAR(s
));
595 String reg
= ly_scm2string(SCM_CAR(SCM_CDR(s
)));
597 if (sym
== "Discant")
599 Molecule r
= afm_find("scripts-accDiscant");
601 if (reg
.left_str(1) == "F")
603 Molecule d
= afm_find("scripts-accDot");
604 d
.translate_axis(interline_f
* 2.5 PT
, Y_AXIS
);
606 reg
= reg
.right_str(reg
.length_i()-1);
609 if (reg
.left_str(3) == "EEE")
612 reg
= reg
.right_str(reg
.length_i()-3);
614 else if (reg
.left_str(2) == "EE")
617 reg
= reg
.right_str(reg
.length_i()-2);
619 else if (reg
.left_str(2) == "Eh")
622 reg
= reg
.right_str(reg
.length_i()-2);
624 else if (reg
.left_str(1) == "E")
627 reg
= reg
.right_str(reg
.length_i()-1);
631 Molecule d
= afm_find("scripts-accDot");
632 d
.translate_axis(interline_f
* 1.5 PT
, Y_AXIS
);
637 Molecule d
= afm_find("scripts-accDot");
638 d
.translate_axis(interline_f
* 1.5 PT
, Y_AXIS
);
639 d
.translate_axis(0.8 * interline_f PT
, X_AXIS
);
644 Molecule d
= afm_find("scripts-accDot");
645 d
.translate_axis(interline_f
* 1.5 PT
, Y_AXIS
);
646 d
.translate_axis(-0.8 * interline_f PT
, X_AXIS
);
649 if (reg
.left_str(2) == "SS")
651 Molecule d
= afm_find("scripts-accDot");
652 d
.translate_axis(0.5 * interline_f PT
, Y_AXIS
);
653 d
.translate_axis(0.4 * interline_f PT
, X_AXIS
);
655 d
.translate_axis(-0.8 * interline_f PT
, X_AXIS
);
657 reg
= reg
.right_str(reg
.length_i()-2);
659 if (reg
.left_str(1) == "S")
661 Molecule d
= afm_find("scripts-accDot");
662 d
.translate_axis(0.5 * interline_f PT
, Y_AXIS
);
664 reg
= reg
.right_str(reg
.length_i()-1);
667 else if (sym
== "Freebase")
669 Molecule r
= afm_find("scripts-accFreebase");
671 if (reg
.left_str(1) == "F")
673 Molecule d
= afm_find("scripts-accDot");
674 d
.translate_axis(interline_f
* 1.5 PT
, Y_AXIS
);
676 reg
= reg
.right_str(reg
.length_i()-1);
680 Molecule d
= afm_find("scripts-accDot");
681 d
.translate_axis(interline_f
* 0.5 PT
, Y_AXIS
);
685 else if (sym
== "Bayanbase")
687 Molecule r
= afm_find("scripts-accBayanbase");
689 if (reg
.left_str(1) == "T")
691 Molecule d
= afm_find("scripts-accDot");
692 d
.translate_axis(interline_f
* 2.5 PT
, Y_AXIS
);
694 reg
= reg
.right_str(reg
.length_i()-1);
696 /* include 4' reed just for completeness. You don't want to use this. */
697 if (reg
.left_str(1) == "F")
699 Molecule d
= afm_find("scripts-accDot");
700 d
.translate_axis(interline_f
* 1.5 PT
, Y_AXIS
);
702 reg
= reg
.right_str(reg
.length_i()-1);
704 if (reg
.left_str(2) == "EE")
706 Molecule d
= afm_find("scripts-accDot");
707 d
.translate_axis(interline_f
* 0.5 PT
, Y_AXIS
);
708 d
.translate_axis(0.4 * interline_f PT
, X_AXIS
);
710 d
.translate_axis(-0.8 * interline_f PT
, X_AXIS
);
712 reg
= reg
.right_str(reg
.length_i()-2);
714 if (reg
.left_str(1) == "E")
716 Molecule d
= afm_find("scripts-accDot");
717 d
.translate_axis(interline_f
* 0.5 PT
, Y_AXIS
);
719 reg
= reg
.right_str(reg
.length_i()-1);
722 else if (sym
== "Stdbase")
724 Molecule r
= afm_find("scripts-accStdbase");
726 if (reg
.left_str(1) == "T")
728 Molecule d
= afm_find("scripts-accDot");
729 d
.translate_axis(interline_f
* 3.5 PT
, Y_AXIS
);
731 reg
= reg
.right_str(reg
.length_i()-1);
733 if (reg
.left_str(1) == "F")
735 Molecule d
= afm_find("scripts-accDot");
736 d
.translate_axis(interline_f
* 2.5 PT
, Y_AXIS
);
738 reg
= reg
.right_str(reg
.length_i()-1);
740 if (reg
.left_str(1) == "M")
742 Molecule d
= afm_find("scripts-accDot");
743 d
.translate_axis(interline_f
* 2 PT
, Y_AXIS
);
744 d
.translate_axis(interline_f PT
, X_AXIS
);
746 reg
= reg
.right_str(reg
.length_i()-1);
748 if (reg
.left_str(1) == "E")
750 Molecule d
= afm_find("scripts-accDot");
751 d
.translate_axis(interline_f
* 1.5 PT
, Y_AXIS
);
753 reg
= reg
.right_str(reg
.length_i()-1);
755 if (reg
.left_str(1) == "S")
757 Molecule d
= afm_find("scripts-accDot");
758 d
.translate_axis(interline_f
* 0.5 PT
, Y_AXIS
);
760 reg
= reg
.right_str(reg
.length_i()-1);
763 /* ugh maybe try to use regular font for S.B. and B.B and only use one font
765 else if (sym
== "SB")
767 Molecule r
= afm_find("scripts-accSB");
770 else if (sym
== "BB")
772 Molecule r
= afm_find("scripts-accBB");
775 else if (sym
== "OldEE")
777 Molecule r
= afm_find("scripts-accOldEE");
780 else if (sym
== "OldEES")
782 Molecule r
= afm_find("scripts-accOldEES");