1 ;;;; define-grobs.scm --
3 ;;;; source file of the GNU LilyPond music typesetter
5 ;;;; (c) 1998--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
6 ;;;; Jan Nieuwenhuizen <janneke@gnu.org>
8 ;;;; distances are given in linethickness (thicknesses) and
9 ;;;; staffspace (distances)
11 ;;;; WARNING: the meta field should be the last one.
12 ;;;; WARNING: don't use anonymous functions for initialization.
14 ;; TODO: junk the meta field in favor of something more compact?
16 ;;; todo:: reorder sensibly.
18 (define-public all-grob-descriptions
22 (print-function . ,Accidental_interface::print)
24 (cautionary-style . parentheses)
25 (after-line-breaking-callback . ,Accidental_interface::after_line_breaking)
26 (meta . ((class . Item)
27 (interfaces . (accidental-interface
31 . ((print-function . ,Accidental_interface::print)
32 (X-offset-callbacks . (,Self_alignment_interface::centered_on_parent
33 ,Self_alignment_interface::aligned_on_self))
34 (self-alignment-X . ,CENTER)
36 (cautionary-style . smaller)
37 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
38 (cautionary-style . parentheses)
40 (staff-padding . 0.25)
42 (meta . ((class . Item)
43 (interfaces . (side-position-interface
46 accidental-suggestion-interface
47 self-alignment-interface
50 . ((X-extent-callback . ,Axis_group_interface::group_extent_callback)
53 ;; this is quite small, but it is very ugly to have
54 ;; accs closer to the previous note than to the next one.
55 (right-padding . 0.15)
56 (meta . ((class . Item)
57 (interfaces . (accidental-placement-interface))))))
61 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
62 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
64 (clef . (extra-space . 0.5))
65 (key-signature . (extra-space . 0.0))
66 (staff-bar . (extra-space . 0.0))
67 (time-signature . (extra-space . 0.0))
68 (first-note . (fixed-space . 0.0))))
70 (break-align-symbol . ambitus)
71 (break-visibility . ,begin-of-line-visible)
72 (meta . ((class . Item)
73 (interfaces . (axis-group-interface
74 break-aligned-interface
75 ambitus-interface))))))
79 (print-function . ,Ambitus::print)
82 (X-offset-callbacks . (,Self_alignment_interface::centered_on_parent))
84 (meta . ((class . Item)
85 (interfaces . (ambitus-interface
86 staff-symbol-referencer-interface
90 (print-function . ,Accidental_interface::print)
93 (X-offset-callbacks . (,Side_position_interface::aligned_side))
95 (cautionary-style . parentheses)
96 (after-line-breaking-callback . ,Accidental_interface::after_line_breaking)
97 (meta . ((class . Item)
98 (interfaces . (item-interface
100 break-aligned-interface
101 side-position-interface
107 (print-function . ,Note_head::print)
108 (glyph-name-procedure . ,find-notehead-symbol)
109 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
110 (meta . ((class . Item)
111 (interfaces . (font-interface
114 staff-symbol-referencer-interface
115 rhythmic-head-interface
116 ledgered-interface))))))
120 (X-extent-callback . ,Arpeggio::width_callback)
121 (print-function . ,Arpeggio::print)
122 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
123 (X-offset-callbacks . (,Side_position_interface::aligned_side))
126 (staff-position . 0.0)
127 (meta . ((class . Item)
128 (interfaces . (arpeggio-interface
129 staff-symbol-referencer-interface
130 side-position-interface
135 (break-align-symbol . staff-bar)
137 (break-glyph-function . ,default-break-barline)
139 (bar-size-procedure . ,Bar_line::get_staff_bar_size)
140 (print-function . ,Bar_line::print)
141 (break-visibility . ,all-visible)
143 (before-line-breaking-callback . ,Bar_line::before_line_breaking)
145 (time-signature . (extra-space . 0.75))
146 (custos . (minimum-space . 2.0))
147 (clef . (minimum-space . 1.0))
148 (key-signature . (extra-space . 1.0))
149 (key-cancellation . (extra-space . 1.0))
150 (first-note . (fixed-space . 1.3))
151 (next-note . (semi-fixed-space . 1.3))
152 (right-edge . (extra-space . 0.0))))
155 ;; Ross. page 151 lists other values, we opt for a leaner look
158 ;; kern should scale with linethickness too.
161 (hair-thickness . 1.9)
162 (thick-thickness . 6.0)
163 (meta . ((class . Item)
164 (interfaces . (bar-line-interface
165 break-aligned-interface
170 (print-function . ,Text_interface::print)
172 (break-visibility . ,begin-of-line-visible)
175 (font-family . roman)
177 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
178 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
179 (self-alignment-X . 1)
183 (interfaces . (side-position-interface
185 self-alignment-interface
187 break-aligned-interface))))
192 (print-function . ,Text_interface::print)
193 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
195 (font-family . number)
197 ;; We must do this, other BFs in
198 ;; layout16 become too small.
201 (meta . ((class . Item)
202 (interfaces . (text-interface
203 rhythmic-grob-interface
204 bass-figure-interface
205 self-alignment-interface
210 (print-function . ,Text_interface::print)
211 (meta . ((class . Item)
212 (interfaces . (text-interface
213 rhythmic-grob-interface
214 bass-figure-interface
218 . ((print-function . ,Figured_bass_bracket::print)
219 (edge-height . (0.2 . 0.2))
220 (meta . ((class . Item)
221 (interfaces . (figured-bass-bracket-interface)) ))
223 (BassFigureContinuation
225 (print-function . ,Figured_bass_continuation::print)
226 (Y-offset-callbacks . (,Figured_bass_continuation::center_on_figures))
227 (meta . ((class . Spanner)
228 (interfaces . (figured-bass-continuation-interface))
233 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
234 (meta . ((class . Spanner)
235 (interfaces . (axis-group-interface
241 (threshold . (2.4 . 1000))
242 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
244 (meta . ((class . Spanner)
245 (interfaces . (align-interface
246 axis-group-interface))))))
250 ;; todo: clean this up a bit: the list is getting
252 (print-function . ,Beam::print)
254 (positions . (#f . #f))
255 (position-callbacks . (,Beam::least_squares
258 ,Beam::shift_region_to_valid
261 ;; TODO: should be in SLT.
262 (thickness . 0.48) ; in staff-space
263 (before-line-breaking-callback . ,Beam::before_line_breaking)
264 (after-line-breaking-callback . ,Beam::after_line_breaking)
265 (neutral-direction . -1)
266 (dir-function . ,beam-dir-majority-median)
268 ;; Whe have some unreferenced problems here.
270 ;; If we shorten beamed stems less than normal stems (1 staffspace),
271 ;; or high order less than 8th beams, patterns like
272 ;; c''4 [c''8 c''] c''4 [c''16 c]
273 ;; are ugly (different stem lengths).
275 ;; But if we shorten 16th beams as much as 8th beams, a single
276 ;; forced 16th beam looks *very* short.
278 ;; We choose to shorten 8th beams the same as single stems,
279 ;; and high order beams less than 8th beams, so that all
280 ;; isolated shortened beams look nice and a bit shortened,
281 ;; sadly possibly breaking patterns with high order beams.
282 (beamed-stem-shorten . (1.0 0.5 0.25))
284 (flag-width-function . ,beam-flag-width-function)
286 (auto-knee-gap . 5.5)
288 ;; only for debugging.
289 (font-family . roman)
291 (space-function . ,Beam::space_function)
292 (meta . ((class . Spanner)
293 (interfaces . (staff-symbol-referencer-interface
300 (break-align-orders . ;; end of line
322 time-signature custos)
336 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
337 (meta . ((class . Item)
338 (interfaces . (break-alignment-interface
339 axis-group-interface))))))
344 (X-offset-callbacks . (,Break_align_interface::alignment_callback))
345 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
346 (meta . ((class . Item)
347 (interfaces . (break-aligned-interface
348 axis-group-interface))))))
352 (break-align-symbol . breathing-sign)
355 (ambitus . (extra-space . 2.0))
356 (custos . (minimum-space . 1.0))
357 (key-signature . (minimum-space . 1.5))
358 (staff-bar . (minimum-space . 1.5))
359 (clef . (minimum-space . 2.0))
360 (first-note . (fixed-space . 1.0)) ;huh?
361 (right-edge . (extra-space . 0.1))))
362 (print-function . ,Text_interface::print)
363 (text . ,(make-musicglyph-markup "scripts.rcomma"))
364 (Y-offset-callbacks . (,Breathing_sign::offset_callback))
365 (break-visibility . ,begin-of-line-invisible)
366 (meta . ((class . Item)
367 (interfaces . (break-aligned-interface
368 breathing-sign-interface
374 (print-function . ,Clef::print)
375 (before-line-breaking-callback . ,Clef::before_line_breaking)
377 (font-family . music)
378 (break-align-symbol . clef)
379 (break-visibility . ,begin-of-line-visible)
380 (space-alist . ((ambitus . (extra-space . 2.0))
381 (staff-bar . (extra-space . 0.7))
382 (key-cancellation . (minimum-space . 4.0))
383 (key-signature . (minimum-space . 4.0))
384 (time-signature . (minimum-space . 4.2))
385 (first-note . (minimum-fixed-space . 5.0))
386 (next-note . (extra-space . 0.5))
387 (right-edge . (extra-space . 0.5))))
388 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
389 (meta . ((class . Item)
390 (interfaces . (clef-interface
391 staff-symbol-referencer-interface
393 break-aligned-interface))))))
395 (ClusterSpannerBeacon
397 (print-function . #f)
398 (Y-extent-callback . ,Cluster_beacon::height)
399 (meta . ((class . Item)
400 (interfaces . (cluster-beacon-interface))))))
404 (print-function . ,Cluster::print)
405 (spacing-procedure . ,Spanner::set_spacing_rods)
406 (minimum-length . 0.0)
409 (meta . ((class . Spanner)
410 (interfaces . (cluster-interface))))))
414 (print-function . ,Text_interface::print)
415 (after-line-breaking-callback . ,Chord_name::after_line_breaking)
419 (meta . ((class . Item)
420 (interfaces . (font-interface
421 rhythmic-grob-interface
428 (print-function . ,Text_interface::print)
429 (no-spacing-rods . #t)
430 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
431 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
434 (staff-padding . 0.5)
435 (script-priority . 200)
436 ;; todo: add X self alignment?
439 (meta . ((class . Item)
440 (interfaces . (text-script-interface
442 side-position-interface
447 (break-align-symbol . custos)
449 (print-function . ,Custos::print)
450 (break-visibility . ,end-of-line-visible)
452 (neutral-direction . -1)
453 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
455 (first-note . (minimum-fixed-space . 0.0))
456 (right-edge . (extra-space . 0.1))))
457 (meta . ((class . Item)
460 staff-symbol-referencer-interface
462 break-aligned-interface))))))
468 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
469 (X-offset-callbacks . (,Dot_column::side_position))
470 (meta . ((class . Item)
471 (interfaces . (dot-column-interface
472 axis-group-interface))))))
476 (print-function . ,Dots::print)
478 (meta . ((class . Item)
479 (interfaces . (font-interface
480 staff-symbol-referencer-interface
485 (print-function . ,Percent_repeat_item_interface::double_percent)
488 (font-encoding . fetaMusic)
491 (break-align-symbol . staff-bar)
492 (break-visibility . ,begin-of-line-invisible)
493 (meta . ((class . Item)
494 (interfaces . (font-interface
495 break-aligned-interface
496 percent-repeat-interface))))))
498 (DoublePercentRepeatCounter
499 . ((print-function . ,Text_interface::print)
500 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self
501 ,Self_alignment_interface::centered_on_other_axis_parent))
502 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
503 (font-encoding . fetaNumber)
504 (self-alignment-X . 0)
508 (staff-padding . 0.25)
509 (meta . ((class . Item)
510 (interfaces . (side-position-interface
511 self-alignment-interface
512 percent-repeat-interface
518 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
519 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
520 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
521 (staff-padding . 0.1)
523 (avoid-slur . outside)
525 (minimum-space . 1.2)
528 (meta . ((class . Spanner)
529 (interfaces . (axis-group-interface
531 dynamic-line-spanner-interface
532 side-position-interface))))))
536 (print-function . ,Text_interface::print)
537 (before-line-breaking-callback . ,Script_interface::before_line_breaking)
538 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
539 (self-alignment-X . 0)
540 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
541 (self-alignment-Y . 0)
543 (font-encoding . fetaDynamic)
544 (font-shape . italic)
545 (no-spacing-rods . #t)
546 (script-priority . 100)
547 (meta . ((class . Item)
548 (interfaces . (font-interface
550 self-alignment-interface
552 script-interface))))))
555 . ((print-function . ,Dynamic_text_spanner::print)
557 ;; rather ugh with NCSB
558 ;; (font-series . bold)
559 (font-shape . italic)
560 (style . dashed-line)
562 ;; need to blend with dynamic texts.
564 (bound-padding . 0.75)
565 (dash-fraction . 0.2)
567 (meta . ((class . Spanner)
568 (interfaces . (font-interface
571 dynamic-text-spanner-interface
572 spanner-interface))))))
576 (print-function . ,Text_interface::print)
578 ;; sync with TextScript (?)
581 (avoid-slur . around)
583 (staff-padding . 0.5)
584 (self-alignment-X . 0)
585 (self-alignment-Y . 0)
586 (script-priority . 100)
587 (before-line-breaking-callback . ,Script_interface::before_line_breaking)
588 (font-encoding . fetaNumber)
589 (font-size . -5) ; don't overlap when next to heads.
590 (meta . ((class . Item)
591 (interfaces . (finger-interface
593 text-script-interface
595 side-position-interface
596 self-alignment-interface
602 (zigzag-width . 0.75)
604 (X-extent-callback . #f)
605 (Y-extent-callback . #f)
606 (after-line-breaking-callback . ,Line_spanner::after_line_breaking)
607 (print-function . ,Line_spanner::print)
608 (meta . ((class . Spanner)
609 (interfaces . (line-interface
610 line-spanner-interface))))))
616 (meta . ((class . Item)
617 (interfaces . (grid-point-interface))))))
621 (print-function . ,Grid_line_interface::print)
622 (X-extent-callback . ,Grid_line_interface::width_callback)
623 (self-alignment-X . ,CENTER)
624 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self
625 ,Self_alignment_interface::centered_on_parent))
627 (meta . ((class . Item)
628 (interfaces . (self-alignment-interface
629 grid-line-interface))))))
633 (print-function . ,Hairpin::print)
634 (after-line-breaking-callback . ,Hairpin::after_line_breaking)
637 (spacing-procedure . ,Spanner::set_spacing_rods)
638 (minimum-length . 2.0)
639 (bound-padding . 1.0)
640 (self-alignment-Y . 0)
641 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
642 (meta . ((class . Spanner)
643 (interfaces . (hairpin-interface
645 self-alignment-interface
647 spanner-interface))))))
652 (print-function . ,Horizontal_bracket::print)
653 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
655 (staff-padding . 0.2)
657 (bracket-flare . (0.5 . 0.5))
658 (meta . ((class . Spanner)
659 (interfaces . (horizontal-bracket-interface
660 side-position-interface
662 spanner-interface))))))
666 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self
667 ,Side_position_interface::aligned_on_support_refpoints))
668 ;; This direction is for aligned_on_support_refpoints
672 (left-edge . (extra-space . 1.0))))
674 (self-alignment-Y . 0)
675 (print-function . ,Text_interface::print)
676 (break-align-symbol . instrument-name)
677 (break-visibility . ,begin-of-line-visible)
679 (meta . ((class . Item)
680 (interfaces . (font-interface
681 self-alignment-interface
682 side-position-interface
684 break-aligned-interface))))))
688 (print-function . ,Key_signature_interface::print)
690 (time-signature . (extra-space . 1.25))
691 (staff-bar . (extra-space . 0.6))
692 (key-signature . (extra-space . 0.5))
693 (right-edge . (extra-space . 0.5))
694 (first-note . (fixed-space . 2.5))))
695 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
696 (break-align-symbol . key-cancellation)
697 (break-visibility . ,begin-of-line-invisible)
700 (meta . ((class . Item)
701 (interfaces . (key-signature-interface
703 break-aligned-interface))))))
706 (print-function . ,Key_signature_interface::print)
708 (time-signature . (extra-space . 1.25))
709 (staff-bar . (extra-space . 1.1))
710 (right-edge . (extra-space . 0.5))
711 (first-note . (fixed-space . 2.5))))
712 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
713 (break-align-symbol . key-signature)
714 (break-visibility . ,begin-of-line-visible)
717 (meta . ((class . Item)
718 (interfaces . (key-signature-interface
720 break-aligned-interface))))))
723 (print-function . ,Laissez_vibrer_tie::print)
724 (details . ((ratio . 0.333)
725 (height-limit . 1.0)))
727 (meta . ((class . Item)
728 (interfaces . (laissez-vibrer-tie-interface))
732 (LaissezVibrerTieColumn
734 (X-extent-callback . #f)
735 (Y-extent-callback . #f)
736 (meta . ((class . Item)
737 (interfaces . (laissez-vibrer-tie-column-interface))
743 (print-function . ,Ledger_line_spanner::print)
744 (X-extent-callback . #f)
745 (Y-extent-callback . #f)
746 (minimum-length-fraction . 0.25)
747 (length-fraction . 0.25)
748 (spacing-procedure . ,Ledger_line_spanner::set_spacing_rods)
749 (print-function . ,Ledger_line_spanner::print)
751 (meta . ((class . Spanner)
752 (interfaces . (ledger-line-interface))))))
756 (break-align-symbol . left-edge)
759 (break-visibility . ,center-invisible)
761 (custos . (extra-space . 0.0))
762 (ambitus . (extra-space . 2.0))
763 (time-signature . (extra-space . 1.0))
764 (staff-bar . (extra-space . 0.0))
765 (breathing-sign . (minimum-space . 0.0))
766 (clef . (extra-space . 0.8))
767 (first-note . (fixed-space . 2.0))
768 (right-edge . (extra-space . 0.0))
769 (key-signature . (extra-space . 0.0))
770 (key-cancellation . (extra-space . 0.0))
772 (meta . ((class . Item)
773 (interfaces . (break-aligned-interface))))))
777 (ligature-primitive-callback . ,Note_head::print)
782 (edge-height . (0.7 . 0.7))
783 (shorten-pair . (-0.2 . -0.2))
784 (before-line-breaking-callback . ,Tuplet_bracket::before_line_breaking)
785 (after-line-breaking-callback . ,Tuplet_bracket::after_line_breaking)
786 (print-function . ,Tuplet_bracket::print)
787 (meta . ((class . Spanner)
788 (interfaces . (tuplet-bracket-interface
797 (minimum-length . 0.3)
799 ; (spacing-procedure . ,Hyphen_spanner::set_spacing_rods)
800 (print-function . ,Hyphen_spanner::print)
802 (meta . ((class . Spanner)
803 (interfaces . (lyric-interface
804 lyric-hyphen-interface
805 spanner-interface))))))
809 (print-function . ,Lyric_extender::print)
810 (thickness . 0.8) ; linethickness
811 (minimum-length . 1.5)
813 (meta . ((class . Spanner)
814 (interfaces . (lyric-interface
815 lyric-extender-interface))))))
818 . ((print-function . ,Text_interface::print)
819 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_parent))
820 (self-alignment-X . 0)
822 (font-series . bold-narrow)
824 (meta . ((class . Item)
825 (interfaces . (rhythmic-grob-interface
826 lyric-syllable-interface
827 self-alignment-interface
835 (ligature-primitive-callback . ,Mensural_ligature::brew_ligature_primitive)
836 (print-function . ,Mensural_ligature::print)
837 (meta . ((class . Spanner)
838 (interfaces . (mensural-ligature-interface
843 (print-function . ,Text_interface::print)
844 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
847 (meta . ((class . Item)
848 (interfaces . (text-interface
849 side-position-interface
851 metronome-mark-interface))))))
854 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
855 (print-function . ,Measure_grouping::print)
861 (meta . ((class . Spanner)
862 (interfaces . (side-position-interface
863 measure-grouping-interface))))))
866 (print-function . ,Multi_measure_rest::print)
867 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
870 (thick-thickness . 6.6)
871 (hair-thickness . 2.0)
873 (meta . ((class . Spanner)
874 (interfaces . (multi-measure-rest-interface
875 multi-measure-interface
878 staff-symbol-referencer-interface))))))
880 (MultiMeasureRestNumber
882 (print-function . ,Text_interface::print)
883 (spacing-procedure . ,Multi_measure_rest::set_spacing_rods)
884 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self
885 ,Self_alignment_interface::centered_on_other_axis_parent))
886 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
887 (self-alignment-X . 0)
890 (staff-padding . 0.4)
891 (font-encoding . fetaNumber)
892 (meta . ((class . Spanner)
893 (interfaces . (side-position-interface
894 multi-measure-interface
895 self-alignment-interface
899 (MultiMeasureRestText
901 (print-function . ,Text_interface::print)
902 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self
903 ,Self_alignment_interface::centered_on_other_axis_parent))
904 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
905 (self-alignment-X . 0)
908 (staff-padding . 0.25)
909 (meta . ((class . Spanner)
910 (interfaces . (side-position-interface
911 multi-measure-interface
912 self-alignment-interface
919 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
920 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
921 (meta . ((class . Item)
922 (interfaces . (note-collision-interface
923 axis-group-interface))))))
928 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
929 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
930 (meta . ((class . Item)
931 (interfaces . (axis-group-interface
932 note-column-interface))))))
936 (print-function . ,Note_head::print)
937 (ligature-primitive-callback . ,Note_head::print)
938 (glyph-name-procedure . ,find-notehead-symbol)
939 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
940 (stem-attachment-function . ,note-head-style->attachment-coordinates)
941 (meta . ((class . Item)
942 (interfaces . (rhythmic-grob-interface
943 rhythmic-head-interface
947 staff-symbol-referencer-interface))))))
951 (stem-spacing-correction . 0.5)
952 (same-direction-correction . 0.25)
953 ;; Changed this from 0.75.
954 ;; If you ever change this back, please document! --hwn
955 (knee-spacing-correction . 1.0)
957 (meta . ((class . Item)
958 (interfaces . (spacing-interface
959 note-spacing-interface))))))
963 (print-function . ,Text_interface::print)
964 (meta . ((class . Item)
965 (interfaces . (note-name-interface
971 (self-alignment-X . 0)
972 (break-visibility . ,begin-of-line-visible)
973 (X-offset-callbacks . (,Self_alignment_interface::centered_on_parent
974 ,Self_alignment_interface::aligned_on_self))
975 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
976 (print-function . ,Text_interface::print)
978 ;; no Y dimensions, because of lyrics under tenor clef.
980 (font-shape . italic)
982 (staff-padding . 0.2)
984 (meta . ((class . Item)
985 (interfaces . (text-interface
986 self-alignment-interface
987 side-position-interface
992 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
993 (print-function . ,Ottava_bracket::print)
994 (font-shape . italic)
995 (shorten-pair . (0.0 . -0.6))
996 (staff-padding . 1.0)
998 (minimum-length . 1.0)
999 (dash-fraction . 0.3)
1000 (edge-height . (0 . 1.2))
1002 (meta . ((class . Spanner)
1003 (interfaces . (ottava-bracket-interface
1005 side-position-interface
1007 text-interface))))))
1012 (before-line-breaking-callback . ,Paper_column::before_line_breaking)
1013 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
1016 ;; (print-function . ,Paper_column::print) (font-size . -6) (font-name . "sans") (Y-extent-callback . #f)
1017 (meta . ((class . Paper_column)
1018 (interfaces . (paper-column-interface
1019 axis-group-interface
1020 spaceable-grob-interface))))))
1023 . ((slur-details . ,default-slur-details)
1024 (print-function . ,Slur::print)
1026 (spacing-procedure . ,Spanner::set_spacing_rods)
1027 (minimum-length . 1.5)
1028 (after-line-breaking-callback . ,Slur::after_line_breaking)
1029 (Y-extent-callback . ,Slur::height)
1030 (height-limit . 2.0)
1032 (meta . ((class . Spanner)
1033 (interfaces . (slur-interface))))))
1035 (NonMusicalPaperColumn
1038 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
1039 (before-line-breaking-callback . ,Paper_column::before_line_breaking)
1042 ;; debugging stuff: print column number.
1043 ;; (print-function . ,Paper_column::print) (font-size . -6) (font-name . "sans") (Y-extent-callback . #f)
1045 (meta . ((class . Paper_column)
1046 (interfaces . (paper-column-interface
1047 axis-group-interface
1048 spaceable-grob-interface))))))
1052 (spacing-procedure . ,Multi_measure_rest::set_spacing_rods)
1053 (print-function . ,Multi_measure_rest::percent)
1056 (font-encoding . fetaMusic)
1057 (meta . ((class . Spanner)
1058 (interfaces . (multi-measure-rest-interface
1060 percent-repeat-interface))))))
1061 (PercentRepeatCounter
1062 . ((print-function . ,Text_interface::print)
1063 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self
1064 ,Self_alignment_interface::centered_on_other_axis_parent))
1065 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1066 (self-alignment-X . 0)
1069 (staff-padding . 0.25)
1071 (font-encoding . fetaNumber)
1072 (meta . ((class . Spanner)
1073 (interfaces . (side-position-interface
1074 self-alignment-interface
1075 percent-repeat-interface
1077 text-interface))))))
1079 ;; an example of a text spanner
1082 (print-function . ,Piano_pedal_bracket::print)
1084 (bound-padding . 1.0)
1086 (bracket-flare . (0.5 . 0.5))
1087 (edge-height . (1.0 . 1.0))
1088 (shorten-pair . (0.0 . 0.0))
1090 (meta . ((class . Spanner)
1091 (interfaces . (line-interface
1092 piano-pedal-interface
1093 piano-pedal-bracket-interface))))))
1097 (print-function . ,Text_interface::print)
1098 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
1099 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1100 (after-line-breaking-callback . ,shift-right-at-line-begin)
1101 (self-alignment-X . 0)
1106 (break-visibility . ,end-of-line-invisible)
1108 (meta . ((class . Item)
1109 (interfaces . (text-interface
1110 side-position-interface
1113 self-alignment-interface))))))
1115 (RemoveEmptyVerticalGroup
1117 (Y-offset-callbacks . (,Hara_kiri_group_spanner::force_hara_kiri_callback))
1118 (Y-extent-callback . ,Hara_kiri_group_spanner::y_extent)
1120 (meta . ((class . Spanner)
1121 (interfaces . (axis-group-interface
1122 vertically-spaceable-interface
1123 hara-kiri-group-interface
1124 spanner-interface))))))
1128 (print-function . ,Percent_repeat_item_interface::beat_slash)
1131 (meta . ((class . Item)
1132 (interfaces . (percent-repeat-interface))))))
1135 (after-line-breaking-callback . ,Rest::after_line_breaking)
1136 (X-extent-callback . ,Rest::extent_callback)
1137 (Y-extent-callback . ,Rest::extent_callback)
1138 (print-function . ,Rest::print)
1139 (Y-offset-callbacks . (,Staff_symbol_referencer::callback
1140 ,Rest::polyphonic_offset_callback))
1141 (minimum-distance . 0.25)
1142 (meta . ((class . Item)
1143 (interfaces . (font-interface
1144 rhythmic-head-interface
1145 rhythmic-grob-interface
1146 staff-symbol-referencer-interface
1147 rest-interface))))))
1151 (minimum-distance . 0.75)
1152 (meta . ((class . Item)
1153 (interfaces . (rest-collision-interface))))))
1157 ;; don't set direction here: it breaks staccato.
1158 (print-function . ,Script_interface::print)
1160 ;; This value is sensitive: if too large, staccato dots will move a
1163 (staff-padding . 0.25)
1164 ;; (script-priority . 0) priorities for scripts, see script.scm
1165 (X-offset-callbacks . (,Self_alignment_interface::centered_on_parent))
1166 (before-line-breaking-callback . ,Script_interface::before_line_breaking)
1167 (font-encoding . fetaMusic)
1168 (meta . ((class . Item)
1169 (interfaces . (script-interface
1170 side-position-interface
1171 font-interface))))))
1175 (before-line-breaking-callback . ,Script_column::before_line_breaking)
1176 (meta . ((class . Item)
1177 (interfaces . (script-column-interface))))))
1181 (X-extent-callback . #f)
1182 (Y-extent-callback . #f)
1183 (meta . ((class . Item)
1184 (interfaces . (spacing-interface
1185 separation-item-interface))))))
1187 (SeparatingGroupSpanner
1189 (spacing-procedure . ,Separating_group_spanner::set_spacing_rods)
1190 (meta . ((class . Spanner)
1191 (interfaces . (only-prebreak-interface
1193 separation-spanner-interface))))))
1196 . ((slur-details . ,default-slur-details)
1197 (print-function . ,Slur::print)
1199 (spacing-procedure . ,Spanner::set_spacing_rods)
1200 (minimum-length . 1.5)
1201 (after-line-breaking-callback . ,Slur::after_line_breaking)
1202 (Y-extent-callback . ,Slur::height)
1204 (height-limit . 2.0)
1206 (meta . ((class . Spanner)
1207 (interfaces . (slur-interface))))))
1211 (spacing-procedure . ,Spacing_spanner::set_springs)
1212 (grace-space-factor . 0.6)
1213 (shortest-duration-space . 2.0)
1214 (spacing-increment . 1.2)
1215 (base-shortest-duration . ,(ly:make-moment 3 16))
1216 (meta . ((class . Spanner)
1217 (interfaces . (spacing-interface
1218 spacing-spanner-interface))))))
1222 (break-align-symbol . staff-bar)
1223 (bar-size-procedure . ,Span_bar::get_bar_size)
1224 (print-function . ,Span_bar::print)
1225 (X-extent-callback . ,Span_bar::width_callback)
1226 (Y-extent-callback . ())
1229 (before-line-breaking-callback . ,Span_bar::before_line_breaking)
1233 ;; Ross. page 151 lists other values, we opt for a leaner look
1237 (hair-thickness . 1.6)
1238 (thick-thickness . 6.0)
1239 (meta . ((class . Item)
1240 (interfaces . (span-bar-interface
1242 bar-line-interface))))))
1245 . ((print-function . ,Text_interface::print)
1246 (font-series . bold)
1248 (X-offset-callbacks . (,Side_position_interface::aligned_side))
1250 (meta . ((class . Item)
1251 (interfaces . (side-position-interface
1252 stanza-number-interface
1254 font-interface))))))
1258 (print-function . ,print-circled-text-callback)
1260 (staff-padding . 0.5)
1261 (self-alignment-X . 0)
1262 (self-alignment-Y . 0)
1263 (script-priority . 100)
1264 (font-encoding . fetaNumber)
1265 (font-size . -5) ; don't overlap when next to heads.
1266 (meta . ((class . Item)
1267 (interfaces . (string-number-interface
1269 text-script-interface
1271 side-position-interface
1272 self-alignment-interface
1273 item-interface))))))
1278 (stem-spacing-correction . 0.4)
1280 (meta . ((class . Item)
1281 (interfaces . (spacing-interface
1282 staff-spacing-interface))))))
1286 (print-function . ,Text_interface::print)
1288 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
1289 (no-spacing-rods . #t)
1290 (padding . 0.0) ;; padding relative to SostenutoPedalLineSpanner
1291 (font-shape . italic)
1292 (self-alignment-X . 0)
1293 (meta . ((class . Item)
1294 (interfaces . (text-interface
1295 self-alignment-interface
1296 font-interface))))))
1298 (SostenutoPedalLineSpanner
1301 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1302 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1305 (minimum-space . 1.0)
1307 (meta . ((class . Spanner)
1308 (interfaces . (piano-pedal-interface
1309 axis-group-interface
1310 side-position-interface))))))
1314 (print-function . ,Staff_symbol::print)
1316 (ledger-line-thickness . (1.0 . 0.1))
1318 (meta . ((class . Spanner)
1319 (interfaces . (staff-symbol-interface))))))
1323 ;; this list is rather long. Trim --hwn
1324 (before-line-breaking-callback . ,Stem::before_line_breaking)
1325 (print-function . ,Stem::print)
1328 ;; 3.5 (or 3 measured from note head) is standard length
1329 ;; 32nd, 64th flagged stems should be longer
1330 (lengths . (3.5 3.5 3.5 4.5 5.0))
1332 ;; Stems in unnatural (forced) direction should be shortened by
1333 ;; one staff space, according to [Roush & Gourlay].
1334 ;; Flagged stems we shorten only half a staff space.
1335 (stem-shorten . (1.0 0.5))
1337 ;; default stem direction for note on middle line
1338 (neutral-direction . -1)
1340 ;; FIXME. 3.5 yields too long beams (according to Ross and
1341 ;; looking at Baerenreiter examples) for a number of common
1342 ;; boundary cases. Subtracting half a beam thickness fixes
1343 ;; this, but the bug may well be somewhere else.
1345 ;; FIXME this should come from 'lengths
1347 (beamed-lengths . (3.26 3.5 3.6))
1349 ;; We use the normal minima as minimum for the ideal lengths,
1350 ;; and the extreme minima as abolute minimum length.
1352 ;; The 'normal' minima
1353 (beamed-minimum-free-lengths . (1.83 1.5 1.25))
1354 ;(beamed-minimum-free-lengths . (2.0 1.83 1.25))
1356 ;; The 'extreme case' minima
1357 (beamed-extreme-minimum-free-lengths . (2.0 1.25))
1359 (X-offset-callbacks . (,Stem::offset_callback))
1360 (X-extent-callback . ,Stem::width_callback)
1361 (Y-extent-callback . ,Stem::height)
1362 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
1363 (meta . ((class . Item)
1364 (interfaces . (stem-interface
1365 font-interface))))))
1369 (print-function . ,Stem_tremolo::print)
1370 (Y-extent-callback . ,Stem_tremolo::height)
1371 (X-extent-callback . #f)
1373 (beam-width . 1.6) ; staff-space
1374 (beam-thickness . 0.48) ; staff-space
1375 (meta . ((class . Item)
1376 (interfaces . (stem-tremolo-interface))))))
1380 (no-spacing-rods . #t)
1381 (print-function . ,Sustain_pedal::print)
1382 (self-alignment-X . 0)
1384 (padding . 0.0) ;; padding relative to SustainPedalLineSpanner
1385 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
1386 (meta . ((class . Item)
1387 (interfaces . (piano-pedal-interface
1388 text-spanner-interface
1390 self-alignment-interface
1391 font-interface))))))
1393 (SustainPedalLineSpanner
1396 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1397 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1400 (staff-padding . 1.2)
1401 (minimum-space . 1.0)
1403 (meta . ((class . Spanner)
1404 (interfaces . (piano-pedal-interface
1405 axis-group-interface
1406 side-position-interface))))))
1411 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
1412 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1413 (meta . ((class . System)
1414 (interfaces . (system-interface
1415 axis-group-interface))))))
1420 (print-function . ,System_start_delimiter::print)
1421 (collapse-height . 5.0)
1422 (font-encoding . fetaBraces)
1423 (Y-extent-callback . #f)
1424 (meta . ((class . Spanner)
1425 (interfaces . (system-start-delimiter-interface
1426 font-interface))))))
1430 (Y-extent-callback . #f)
1431 (X-offset-callbacks . (,(lambda (g a) -0.8)))
1432 (print-function . ,System_start_delimiter::print)
1434 (collapse-height . 5.0)
1436 (meta . ((class . Spanner)
1437 (interfaces . (font-interface
1438 system-start-delimiter-interface))))))
1442 (Y-extent-callback . #f)
1443 (print-function . ,System_start_delimiter::print)
1444 (glyph . "bar-line")
1446 (after-line-breaking-callback . ,System_start_delimiter::after_line_breaking)
1447 (meta . ((class . Spanner)
1448 (interfaces . (system-start-delimiter-interface))))))
1452 (print-function . ,Text_interface::print)
1453 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
1455 (stem-attachment-function . ,tablature-stem-attachment-function)
1456 (font-series . bold)
1457 (meta . ((class . Item)
1459 . (rhythmic-head-interface
1462 staff-symbol-referencer-interface
1463 text-interface))))))
1467 (print-function . ,Text_interface::print)
1468 (no-spacing-rods . #t)
1469 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
1472 ;; sync with Fingering ?
1474 (staff-padding . 0.5)
1475 (before-line-breaking-callback . ,Script_interface::before_line_breaking)
1476 (avoid-slur . around)
1477 (slur-padding . 0.5)
1478 (script-priority . 200)
1479 ;; todo: add X self alignment?
1480 (meta . ((class . Item)
1481 (interfaces . (text-script-interface
1483 side-position-interface
1484 font-interface))))))
1488 (print-function . ,Text_spanner::print)
1489 (font-shape . italic)
1490 (style . dashed-line)
1491 (staff-padding . 0.8)
1492 (dash-fraction . 0.2)
1495 (meta . ((class . Spanner)
1496 (interfaces . (text-spanner-interface
1497 side-position-interface
1498 font-interface))))))
1502 (print-function . ,Tie::print)
1503 (details . ((ratio . 0.333) (height-limit . 1.0)))
1505 (meta . ((class . Spanner)
1506 (interfaces . (tie-interface))))))
1510 (after-line-breaking-callback . ,Tie_column::after_line_breaking)
1511 (before-line-breaking-callback . ,Tie_column::before_line_breaking)
1512 (X-extent-callback . #f)
1513 (Y-extent-callback . #f)
1514 (meta . ((class . Spanner)
1515 (interfaces . (tie-column-interface))))))
1519 (print-function . ,Time_signature::print)
1520 (break-align-symbol . time-signature)
1521 (break-visibility . ,all-visible)
1523 (first-note . (fixed-space . 2.0))
1524 (right-edge . (extra-space . 0.5))
1525 (staff-bar . (minimum-space . 2.0))))
1528 (meta . ((class . Item)
1529 (interfaces . (time-signature-interface
1530 break-aligned-interface
1531 font-interface))))))
1535 (print-function . ,Dynamic_text_spanner::print)
1536 (edge-text . ,(cons (make-musicglyph-markup "scripts.trill")
1539 (staff-padding . 1.0)
1542 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1543 (meta . ((class . Spanner)
1544 (interfaces . (text-spanner-interface
1545 side-position-interface
1546 font-interface))))))
1548 (TrillPitchAccidental
1549 . ((X-offset-callbacks . (,Side_position_interface::aligned_side))
1553 (print-function . ,Accidental_interface::print)
1554 (meta . ((class . Item)
1555 (interfaces . (item-interface
1556 accidental-interface
1557 side-position-interface
1558 font-interface))))))
1561 . ((X-offset-callbacks . (,Side_position_interface::aligned_side))
1564 (print-function . ,parenthesize-elements)
1565 (direction . ,RIGHT)
1567 (meta . ((class . Item)
1568 (interfaces . (side-position-interface
1570 rhythmic-head-interface
1572 accidental-interface
1573 axis-group-interface))))))
1576 . ((print-function . ,Note_head::print)
1578 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
1580 (meta . ((class . Item)
1581 (interfaces . (item-interface
1582 rhythmic-head-interface
1584 pitched-trill-interface
1586 staff-symbol-referencer-interface))))))
1592 (edge-height . (0.7 . 0.7))
1593 (shorten-pair . (-0.2 . -0.2))
1594 (before-line-breaking-callback . ,Tuplet_bracket::before_line_breaking)
1595 (after-line-breaking-callback . ,Tuplet_bracket::after_line_breaking)
1596 (print-function . ,Tuplet_bracket::print)
1597 (font-shape . italic)
1600 (meta . ((class . Spanner)
1601 (interfaces . (text-interface
1603 tuplet-bracket-interface
1604 font-interface))))))
1608 (print-function . ,Text_interface::print)
1609 (font-shape . italic)
1610 (no-spacing-rods . #t)
1611 (self-alignment-X . 0)
1613 (padding . 0.0) ;; padding relative to UnaCordaPedalLineSpanner
1614 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
1615 (meta . ((class . Item)
1616 (interfaces . (text-interface
1617 self-alignment-interface
1618 font-interface))))))
1620 (UnaCordaPedalLineSpanner
1623 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1624 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1626 (staff-padding . 1.2)
1627 (minimum-space . 1.0)
1629 (meta . ((class . Spanner)
1630 (interfaces . (piano-pedal-interface
1631 axis-group-interface
1632 side-position-interface))))))
1638 (ligature-primitive-callback . ,Vaticana_ligature::brew_ligature_primitive)
1639 (print-function . ,Vaticana_ligature::print)
1640 (meta . ((class . Spanner)
1641 (interfaces . (vaticana-ligature-interface
1642 font-interface))))))
1647 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1648 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
1650 (meta . ((class . Spanner)
1651 (interfaces . (align-interface
1652 axis-group-interface))))))
1657 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1658 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
1660 (meta . ((class . Spanner)
1661 (interfaces . (axis-group-interface
1662 vertically-spaceable-interface))))))
1667 (Y-offset-callbacks . (,Side_position_interface::aligned_on_support_refpoints))
1669 (space-alist . ((left-edge . (extra-space . 1.0))))
1670 (break-align-symbol . instrument-name)
1671 (print-function . ,Text_interface::print)
1672 (break-align-symbol . clef)
1673 (break-visibility . ,begin-of-line-visible)
1675 (meta . ((class . Item)
1676 (interfaces . (font-interface
1677 self-alignment-interface
1678 side-position-interface
1680 break-aligned-interface))))))
1684 (print-function . ,Volta_bracket_interface::print)
1687 (font-encoding . fetaNumber)
1688 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1689 (thickness . 1.6) ;; linethickness
1690 (height . 2.0) ;; staffspace;
1693 (meta . ((class . Spanner)
1694 (interfaces . (volta-bracket-interface
1697 side-position-interface
1698 font-interface))))))
1705 (X-extent-callback . #f)
1706 (Y-extent-callback . #f)
1707 (print-function . ,Line_spanner::print)
1708 (after-line-breaking-callback . ,Line_spanner::after_line_breaking)
1709 (meta . ((class . Spanner)
1710 (interfaces . (line-spanner-interface
1711 line-interface))))))))
1713 (define (completize-grob-entry x)
1714 "Transplant assoc key into 'name entry of 'meta of X. Set interfaces for Item, Spanner etc.
1716 ;; (display (car x))
1718 (let* ((name-sym (car x))
1719 (grob-entry (cdr x))
1720 (meta-entry (cdr (assoc 'meta grob-entry)))
1721 (class (cdr (assoc 'class meta-entry)))
1723 (cdr (assoc 'interfaces meta-entry))))
1727 (set! ifaces-entry (cons 'item-interface ifaces-entry)))
1728 ((eq? 'Spanner class)
1729 (set! ifaces-entry (cons 'spanner-interface ifaces-entry)))
1730 ((eq? 'Paper_column class)
1731 (set! ifaces-entry (cons 'item-interface
1732 (cons 'paper-column-interface ifaces-entry))))
1733 ((eq? 'System class)
1734 (set! ifaces-entry (cons 'system-interface
1735 (cons 'spanner-interface ifaces-entry))))
1737 (ly:warning "Unknown class ~a" class)))
1738 (set! ifaces-entry (cons 'grob-interface ifaces-entry))
1740 (set! meta-entry (assoc-set! meta-entry 'name name-sym))
1741 (set! meta-entry (assoc-set! meta-entry 'interfaces
1743 (set! grob-entry (assoc-set! grob-entry 'meta meta-entry))
1744 (cons name-sym grob-entry)))
1746 (set! all-grob-descriptions (map completize-grob-entry all-grob-descriptions))
1748 ;; (display (map pair? all-grob-descriptions))
1750 ;; make sure that \property Foo.Bar =\turnOff doesn't complain
1753 ;; (display (car x)) (newline)
1755 (set-object-property! (car x) 'translation-type? list?)
1756 (set-object-property! (car x) 'is-grob? #t))
1757 all-grob-descriptions)
1759 (set! all-grob-descriptions (sort all-grob-descriptions alist<?))