1 ;;;; define-grobs.scm --
3 ;;;; source file of the GNU LilyPond music typesetter
5 ;;;; (c) 1998--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
6 ;;;; Jan Nieuwenhuizen <janneke@gnu.org>
8 ;;;; distances are given in line-thickness (thicknesses) and
9 ;;;; staff-space (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
23 (cautionary-style . parentheses)
24 (stencil . ,ly:accidental-interface::print)
26 . ,ly:accidental-interface::after-line-breaking)
27 (meta . ((class . Item)
28 (interfaces . (accidental-interface
33 (stencil . ,ly:accidental-interface::print)
34 (X-offset . ,(ly:make-simple-closure
36 ,(ly:make-simple-closure (list ly:self-alignment-interface::centered-on-x-parent))
37 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self)))))
38 (self-alignment-X . ,CENTER)
40 (cautionary-style . smaller)
41 (Y-offset . ,ly:side-position-interface::y-aligned-side)
42 (cautionary-style . parentheses)
44 (staff-padding . 0.25)
47 (meta . ((class . Item)
48 (interfaces . (side-position-interface
51 accidental-suggestion-interface
52 self-alignment-interface
58 ;; for horizontally stacked scripts.
59 (script-priority . -100)
62 (positioning-done . ,ly:accidental-placement::calc-positioning-done)
63 (X-extent . ,ly:axis-group-interface::width)
65 ;; this is quite small, but it is very ugly to have
66 ;; accs closer to the previous note than to the next one.
67 (right-padding . 0.15)
68 (meta . ((class . Item)
69 (interfaces . (accidental-placement-interface))))))
74 (X-extent . ,ly:axis-group-interface::width)
75 (Y-extent . ,ly:axis-group-interface::height)
77 (clef . (extra-space . 0.5))
78 (key-signature . (extra-space . 0.0))
79 (staff-bar . (extra-space . 0.0))
80 (time-signature . (extra-space . 0.0))
81 (first-note . (fixed-space . 0.0))))
83 (break-align-symbol . ambitus)
84 (break-visibility . ,begin-of-line-visible)
85 (meta . ((class . Item)
86 (interfaces . (axis-group-interface
87 break-aligned-interface
88 ambitus-interface))))))
92 (stencil . ,ly:ambitus::print)
95 (X-offset . ,ly:self-alignment-interface::centered-on-x-parent)
96 (meta . ((class . Item)
97 (interfaces . (ambitus-interface
98 staff-symbol-referencer-interface
102 (font-family . music)
104 (X-offset . ,ly:side-position-interface::x-aligned-side)
106 (cautionary-style . parentheses)
107 (stencil . ,ly:accidental-interface::print)
108 (after-line-breaking . ,ly:accidental-interface::after-line-breaking)
110 (meta . ((class . Item)
111 (interfaces . (item-interface
113 break-aligned-interface
114 side-position-interface
120 (stencil . ,ly:note-head::print)
121 (glyph-name . ,note-head::calc-glyph-name)
122 (Y-offset . ,ly:staff-symbol-referencer::callback)
123 (meta . ((class . Item)
124 (interfaces . (font-interface
127 staff-symbol-referencer-interface
128 rhythmic-head-interface
129 ledgered-interface))))))
132 . ((X-extent . ,ly:arpeggio::width)
133 (stencil . ,ly:arpeggio::print)
134 (Y-offset . ,ly:staff-symbol-referencer::callback)
135 (X-offset . ,ly:side-position-interface::x-aligned-side)
138 (script-priority . 0)
140 (staff-position . 0.0)
141 (meta . ((class . Item)
142 (interfaces . (arpeggio-interface
143 staff-symbol-referencer-interface
144 side-position-interface
149 (break-align-symbol . staff-bar)
153 (break-visibility . ,all-visible)
156 (stencil . ,ly:bar-line::print)
157 (glyph-name . ,bar-line::calc-glyph-name)
158 (bar-size . ,ly:bar-line::calc-bar-size)
161 (time-signature . (extra-space . 0.75))
162 (custos . (minimum-space . 2.0))
163 (clef . (minimum-space . 1.0))
164 (key-signature . (extra-space . 1.0))
165 (key-cancellation . (extra-space . 1.0))
166 (first-note . (fixed-space . 1.3))
167 (next-note . (semi-fixed-space . 1.3))
168 (right-edge . (extra-space . 0.0))))
171 ;; Ross. page 151 lists other values, we opt for a leaner look
174 ;; kern should scale with line-thickness too.
177 (hair-thickness . 1.9)
178 (thick-thickness . 6.0)
179 (meta . ((class . Item)
180 (interfaces . (bar-line-interface
181 break-aligned-interface
186 (stencil . ,ly:text-interface::print)
188 (break-visibility . ,begin-of-line-visible)
191 (font-family . roman)
193 (Y-offset . ,ly:side-position-interface::y-aligned-side)
195 (X-offset . ,(ly:make-simple-closure
197 ,(ly:make-simple-closure
198 (list ly:break-alignment-align-interface::self-align-callback))
199 ,(ly:make-simple-closure
200 (list ly:self-alignment-interface::x-aligned-on-self)))))
202 (self-alignment-X . 1)
204 ;; want the bar number before the clef at line start.
205 (break-align-symbol . left-edge)
208 (interfaces . (side-position-interface
210 break-alignment-align-interface
211 self-alignment-interface
218 (stencil . ,ly:text-interface::print)
219 (meta . ((class . Item)
220 (interfaces . (text-interface
221 rhythmic-grob-interface
222 bass-figure-interface
228 (threshold . (2 . 1000))
229 (positioning-done . ,ly:align-interface::calc-positioning-done)
230 (Y-extent . ,ly:axis-group-interface::height)
232 (meta . ((class . Spanner)
233 (interfaces . (align-interface
234 bass-figure-alignment-interface
235 axis-group-interface))))))
237 (BassFigureAlignmentPositioning
238 . ((Y-offset . ,ly:side-position-interface::y-aligned-side)
241 (Y-extent . ,ly:axis-group-interface::height)
243 (staff-padding . 1.0)
245 (meta . ((class . Spanner)
246 (interfaces . (side-position-interface
252 (stencil . ,ly:enclosing-bracket::print)
253 (X-extent . ,ly:enclosing-bracket::width)
254 (edge-height . (0.2 . 0.2))
255 (meta . ((class . Item)
256 (interfaces . (enclosing-bracket-interface)) ))
258 (BassFigureContinuation
260 (stencil . ,ly:figured-bass-continuation::print)
261 (Y-offset . ,ly:figured-bass-continuation::center-on-figures)
262 (meta . ((class . Spanner)
263 (interfaces . (figured-bass-continuation-interface))
268 (Y-extent . ,ly:axis-group-interface::height)
269 (meta . ((class . Spanner)
270 (interfaces . (axis-group-interface
276 ;; todo: clean this up a bit: the list is getting
279 (positions . ,(ly:make-simple-closure
280 (ly:make-simple-closure
281 (list chain-grob-member-functions
283 ly:beam::calc-least-squares-positions
284 ly:beam::slope-damping
285 ly:beam::shift-region-to-valid
289 ;; this is a hack to set stem lengths, if positions is set.
290 (quantized-positions . ,ly:beam::set-stem-lengths)
291 (concaveness . ,ly:beam::calc-concaveness)
292 (direction . ,ly:beam::calc-direction)
293 (shorten . ,ly:beam::calc-stem-shorten)
294 (beaming . ,ly:beam::calc-beaming)
295 (stencil . ,ly:beam::print)
298 ;; TODO: should be in SLT.
299 (thickness . 0.48) ; in staff-space
300 (neutral-direction . ,DOWN)
302 ;; Whe have some unreferenced problems here.
304 ;; If we shorten beamed stems less than normal stems (1 staff-space),
305 ;; or high order less than 8th beams, patterns like
306 ;; c''4 [c''8 c''] c''4 [c''16 c]
307 ;; are ugly (different stem lengths).
309 ;; But if we shorten 16th beams as much as 8th beams, a single
310 ;; forced 16th beam looks *very* short.
312 ;; We choose to shorten 8th beams the same as single stems,
313 ;; and high order beams less than 8th beams, so that all
314 ;; isolated shortened beams look nice and a bit shortened,
315 ;; sadly possibly breaking patterns with high order beams.
316 (beamed-stem-shorten . (1.0 0.5 0.25))
318 (auto-knee-gap . 5.5)
320 ;; only for debugging.
321 (font-family . roman)
322 (meta . ((class . Spanner)
323 (interfaces . (staff-symbol-referencer-interface
328 (stencil . ,fall::print)
330 (meta . ((class . Spanner)
331 (interfaces . (spanner-interface
332 bend-after-interface))))))
338 (positioning-done . ,ly:break-align-interface::calc-positioning-done)
339 (X-extent . ,ly:axis-group-interface::width)
340 (break-align-orders . ;; end of line
362 time-signature custos)
376 (meta . ((class . Item)
377 (interfaces . (break-alignment-interface
378 axis-group-interface))))))
383 (X-extent . ,ly:axis-group-interface::width)
384 (meta . ((class . Item)
385 (interfaces . (break-aligned-interface
386 axis-group-interface))))))
390 (break-align-symbol . breathing-sign)
393 (ambitus . (extra-space . 2.0))
394 (custos . (minimum-space . 1.0))
395 (key-signature . (minimum-space . 1.5))
396 (time-signature . (minimum-space . 1.5))
397 (staff-bar . (minimum-space . 1.5))
398 (clef . (minimum-space . 2.0))
399 (first-note . (fixed-space . 1.0)) ;huh?
400 (right-edge . (extra-space . 0.1))))
401 (stencil . ,ly:text-interface::print)
402 (text . ,(make-musicglyph-markup "scripts.rcomma"))
403 (Y-offset . ,ly:breathing-sign::offset-callback)
404 (break-visibility . ,begin-of-line-invisible)
405 (meta . ((class . Item)
406 (interfaces . (break-aligned-interface
407 breathing-sign-interface
413 (stencil . ,ly:clef::print)
414 (glyph-name . ,ly:clef::calc-glyph-name)
416 (font-family . music)
417 (break-align-symbol . clef)
418 (break-visibility . ,begin-of-line-visible)
419 (space-alist . ((ambitus . (extra-space . 2.0))
420 (staff-bar . (extra-space . 0.7))
421 (key-cancellation . (minimum-space . 3.5))
422 (key-signature . (minimum-space . 3.5))
423 (time-signature . (minimum-space . 4.2))
424 (first-note . (minimum-fixed-space . 5.0))
425 (next-note . (extra-space . 0.5))
426 (right-edge . (extra-space . 0.5))))
427 (Y-offset . ,ly:staff-symbol-referencer::callback)
428 (meta . ((class . Item)
429 (interfaces . (clef-interface
430 staff-symbol-referencer-interface
432 break-aligned-interface))))))
434 (ClusterSpannerBeacon
436 (Y-extent . ,ly:cluster-beacon::height)
437 (meta . ((class . Item)
438 (interfaces . (cluster-beacon-interface))))))
442 (springs-and-rods . ,ly:spanner::set-spacing-rods)
443 (stencil . ,ly:cluster::print)
444 (minimum-length . 0.0)
447 (meta . ((class . Spanner)
448 (interfaces . (cluster-interface))))))
452 (stencil . ,ly:text-interface::print)
453 (after-line-breaking . ,ly:chord-name::after-line-breaking)
457 (meta . ((class . Item)
458 (interfaces . (font-interface
459 rhythmic-grob-interface
466 (stencil . ,ly:text-interface::print)
467 (no-spacing-rods . #t)
468 (Y-offset . ,ly:side-position-interface::y-aligned-side)
469 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
472 (staff-padding . 0.5)
473 (script-priority . 200)
474 ;; todo: add X self alignment?
478 (meta . ((class . Item)
479 (interfaces . (text-script-interface
481 side-position-interface
486 (break-align-symbol . custos)
488 (stencil . ,ly:custos::print)
489 (break-visibility . ,end-of-line-visible)
491 (neutral-direction . ,DOWN)
492 (Y-offset . ,ly:staff-symbol-referencer::callback)
494 (first-note . (minimum-fixed-space . 0.0))
495 (right-edge . (extra-space . 0.1))))
496 (meta . ((class . Item)
499 staff-symbol-referencer-interface
501 break-aligned-interface))))))
507 (positioning-done . ,ly:dot-column::calc-positioning-done)
508 (X-extent . ,ly:axis-group-interface::width)
509 (X-offset . ,ly:dot-column::side-position)
510 (meta . ((class . Item)
511 (interfaces . (dot-column-interface
512 axis-group-interface))))))
516 (stencil . ,ly:dots::print)
517 (dot-count . ,dots::calc-dot-count)
518 (meta . ((class . Item)
519 (interfaces . (font-interface
520 staff-symbol-referencer-interface
525 (stencil . ,ly:percent-repeat-item-interface::double-percent)
528 (font-encoding . fetaMusic)
531 (break-align-symbol . staff-bar)
532 (break-visibility . ,begin-of-line-invisible)
533 (meta . ((class . Item)
534 (interfaces . (font-interface
535 break-aligned-interface
536 percent-repeat-interface))))))
538 (DoublePercentRepeatCounter
540 (stencil . ,ly:text-interface::print)
541 (X-offset . ,(ly:make-simple-closure `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::centered-on-y-parent))
542 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self)))))
543 (Y-offset . ,ly:side-position-interface::y-aligned-side)
544 (font-encoding . fetaNumber)
545 (self-alignment-X . 0)
549 (staff-padding . 0.25)
551 (meta . ((class . Item)
552 (interfaces . (side-position-interface
553 self-alignment-interface
554 percent-repeat-interface
560 (Y-offset . ,ly:side-position-interface::y-aligned-side)
561 (staff-padding . 0.1)
563 (avoid-slur . outside)
565 (minimum-space . 1.2)
568 (Y-extent . ,ly:axis-group-interface::height)
569 (X-extent . ,ly:axis-group-interface::width)
570 (meta . ((class . Spanner)
571 (interfaces . (axis-group-interface
573 dynamic-line-spanner-interface
574 side-position-interface))))))
581 (stencil . ,ly:text-interface::print)
582 (direction . ,ly:script-interface::calc-direction)
584 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
585 (self-alignment-X . 0)
586 (Y-offset . ,ly:self-alignment-interface::y-aligned-on-self)
587 (self-alignment-Y . 0)
589 (font-encoding . fetaDynamic)
590 (font-shape . italic)
591 (avoid-slur . around)
592 (no-spacing-rods . #t)
593 (script-priority . 100)
594 (meta . ((class . Item)
595 (interfaces . (font-interface
597 self-alignment-interface
599 script-interface))))))
603 (stencil . ,ly:dynamic-text-spanner::print)
605 ;; rather ugh with NCSB
606 ;; (font-series . bold)
607 (font-shape . italic)
608 (style . dashed-line)
610 ;; need to blend with dynamic texts.
612 (bound-padding . 0.75)
613 (dash-fraction . 0.2)
615 (meta . ((class . Spanner)
616 (interfaces . (font-interface
618 line-spanner-interface
620 dynamic-text-spanner-interface
621 spanner-interface))))))
627 ;; sync with TextScript (?)
630 (avoid-slur . around)
632 (staff-padding . 0.5)
633 (self-alignment-X . 0)
634 (self-alignment-Y . 0)
635 (script-priority . 100)
637 (stencil . ,ly:text-interface::print)
638 (direction . ,ly:script-interface::calc-direction)
639 (text . ,fingering::calc-text)
640 (font-encoding . fetaNumber)
641 (font-size . -5) ; don't overlap when next to heads.
642 (meta . ((class . Item)
643 (interfaces . (finger-interface
645 text-script-interface
647 side-position-interface
648 self-alignment-interface
651 . ((stencil . ,fret-board::calc-stencil)
652 (finger-code . below-string)
653 (meta . ((class . Item)
654 (interfaces . (fret-diagram-interface
662 (zigzag-width . 0.75)
666 (stencil . ,ly:line-spanner::print)
667 (after-line-breaking . ,ly:line-spanner::after-line-breaking)
668 (meta . ((class . Spanner)
669 (interfaces . (line-interface
670 line-spanner-interface))))))
674 (common-shortest-duration . ,grace-spacing::calc-shortest-duration)
675 (spacing-increment . 0.8)
676 (shortest-duration-space . 1.6)
677 (meta . ((class . Spanner)
678 (interfaces . (grace-spacing-interface
680 spacing-options-interface
681 spanner-interface))))))
686 (meta . ((class . Item)
687 (interfaces . (grid-point-interface))))))
691 (X-extent . ,ly:grid-line-interface::width)
692 (stencil . ,ly:grid-line-interface::print)
693 (self-alignment-X . ,CENTER)
694 (X-offset . ,(ly:make-simple-closure
695 `(,+ ,(ly:make-simple-closure
696 (list ly:self-alignment-interface::centered-on-x-parent))
697 ,(ly:make-simple-closure
698 (list ly:self-alignment-interface::x-aligned-on-self)))))
700 (meta . ((class . Item)
701 (interfaces . (self-alignment-interface
702 grid-line-interface))))))
706 (stencil . ,ly:hairpin::print)
707 (springs-and-rods . ,ly:spanner::set-spacing-rods)
708 (after-line-breaking . ,ly:hairpin::after-line-breaking)
709 (grow-direction . ,hairpin::calc-grow-direction)
713 (minimum-length . 2.0)
714 (bound-padding . 1.0)
715 (self-alignment-Y . 0)
716 (Y-offset . ,ly:self-alignment-interface::y-aligned-on-self)
717 (meta . ((class . Spanner)
718 (interfaces . (hairpin-interface
720 self-alignment-interface
722 spanner-interface))))))
727 (stencil . ,ly:horizontal-bracket::print)
728 (Y-offset . ,ly:side-position-interface::y-aligned-side)
729 (connect-to-neighbor . ,ly:tuplet-bracket::calc-connect-to-neighbors)
732 (staff-padding . 0.2)
735 (bracket-flare . (0.5 . 0.5))
736 (meta . ((class . Spanner)
737 (interfaces . (horizontal-bracket-interface
738 side-position-interface
740 spanner-interface))))))
744 (stencil . ,ly:system-start-text::print)
745 (X-offset . ,ly:side-position-interface::x-aligned-side)
747 (self-alignment-Y . ,CENTER)
748 (meta . ((class . Spanner)
749 (interfaces . (system-start-text-interface
750 side-position-interface
756 (stencil . ,ly:text-interface::print)
757 (Y-offset . ,ly:side-position-interface::y-aligned-side)
758 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
761 (self-alignment-X . ,CENTER)
762 (meta . ((class . Item)
763 (interfaces . (system-start-text-interface
764 side-position-interface
769 (stencil . ,ly:key-signature-interface::print)
771 (time-signature . (extra-space . 1.25))
772 (staff-bar . (extra-space . 0.6))
773 (key-signature . (extra-space . 0.5))
774 (right-edge . (extra-space . 0.5))
775 (first-note . (fixed-space . 2.5))))
776 (Y-offset . ,ly:staff-symbol-referencer::callback)
777 (break-align-symbol . key-cancellation)
778 (break-visibility . ,begin-of-line-invisible)
780 (meta . ((class . Item)
781 (interfaces . (key-signature-interface
783 break-aligned-interface))))))
786 (stencil . ,ly:key-signature-interface::print)
788 (time-signature . (extra-space . 1.15))
789 (staff-bar . (extra-space . 1.1))
790 (right-edge . (extra-space . 0.5))
791 (first-note . (fixed-space . 2.5))))
792 (Y-offset . ,ly:staff-symbol-referencer::callback)
793 (break-align-symbol . key-signature)
794 (break-visibility . ,begin-of-line-visible)
796 (meta . ((class . Item)
797 (interfaces . (key-signature-interface
799 break-aligned-interface))))))
804 (stencil . ,ly:tie::print)
805 (control-points . ,ly:semi-tie::calc-control-points)
806 (direction . ,ly:semi-tie::calc-direction)
807 (details . ((ratio . 0.333)
808 (height-limit . 1.0)))
810 (meta . ((class . Item)
811 (interfaces . (semi-tie-interface))
815 (LaissezVibrerTieColumn
819 (head-direction . ,LEFT)
820 (positioning-done . ,ly:semi-tie-column::calc-positioning-done)
821 (meta . ((class . Item)
822 (interfaces . (semi-tie-column-interface))
828 (springs-and-rods . ,ly:ledger-line-spanner::set-spacing-rods)
829 (stencil . ,ly:ledger-line-spanner::print)
832 (minimum-length-fraction . 0.25)
833 (length-fraction . 0.25)
835 (meta . ((class . Spanner)
836 (interfaces . (ledger-line-interface))))))
840 (break-align-symbol . left-edge)
843 (break-visibility . ,center-invisible)
845 (custos . (extra-space . 0.0))
846 (ambitus . (extra-space . 2.0))
847 (time-signature . (extra-space . 1.0))
848 (staff-bar . (extra-space . 0.0))
849 (breathing-sign . (minimum-space . 0.0))
850 (clef . (extra-space . 0.8))
851 (first-note . (fixed-space . 2.0))
852 (right-edge . (extra-space . 0.0))
853 (key-signature . (extra-space . 0.0))
854 (key-cancellation . (extra-space . 0.0))
856 (meta . ((class . Item)
857 (interfaces . (break-aligned-interface))))))
861 ;; ugh. A ligature bracket is totally different from
866 (edge-height . (0.7 . 0.7))
867 (shorten-pair . (-0.2 . -0.2))
869 (positions . ,ly:tuplet-bracket::calc-positions)
870 (stencil . ,ly:tuplet-bracket::print)
871 (staff-padding . 0.25)
872 (connect-to-neighbor . ,ly:tuplet-bracket::calc-connect-to-neighbors)
873 (control-points . ,ly:tuplet-bracket::calc-control-points)
874 (meta . ((class . Spanner)
875 (interfaces . (line-interface
876 tuplet-bracket-interface))))))
881 (stencil . ,ly:lyric-extender::print)
882 (thickness . 0.8) ; line-thickness
883 (minimum-length . 1.5)
885 (meta . ((class . Spanner)
886 (interfaces . (lyric-interface
887 lyric-extender-interface))))))
895 (minimum-length . 0.3)
896 (minimum-distance . 0.1)
898 (springs-and-rods . ,ly:hyphen-spanner::set-spacing-rods)
899 (stencil . ,ly:hyphen-spanner::print)
901 (meta . ((class . Spanner)
902 (interfaces . (lyric-interface
904 lyric-hyphen-interface
905 spanner-interface))))))
908 . ((minimum-distance . 0.45)
909 (springs-and-rods . ,ly:hyphen-spanner::set-spacing-rods)
913 (meta . ((class . Spanner)
914 (interfaces . (spanner-interface
915 lyric-hyphen-interface spacing-interface))
921 (stencil . ,lyric-text::print)
922 (text . ,lyric-text::calc-text)
923 (X-offset . ,ly:self-alignment-interface::aligned-on-x-parent)
924 (self-alignment-X . 0)
926 (font-series . bold-narrow)
928 (meta . ((class . Item)
929 (interfaces . (rhythmic-grob-interface
930 lyric-syllable-interface
931 self-alignment-interface
938 (Y-offset . ,ly:side-position-interface::y-aligned-side)
940 (stencil . ,ly:measure-grouping::print)
946 (meta . ((class . Spanner)
947 (interfaces . (side-position-interface
948 measure-grouping-interface))))))
952 (neutral-direction . ,DOWN)
953 (meta . ((class . Item)
954 (interfaces . (melody-spanner-interface spacing-interface))))))
959 (stencil . ,ly:mensural-ligature::print)
960 (meta . ((class . Spanner)
961 (interfaces . (mensural-ligature-interface
966 (stencil . ,ly:text-interface::print)
967 (Y-offset . ,ly:side-position-interface::y-aligned-side)
971 (meta . ((class . Item)
972 (interfaces . (text-interface
973 side-position-interface
975 metronome-mark-interface))))))
980 (stencil . ,ly:multi-measure-rest::print)
981 (springs-and-rods . ,ly:multi-measure-rest::set-spacing-rods)
982 (Y-offset . ,ly:staff-symbol-referencer::callback)
985 (thick-thickness . 6.6)
986 (hair-thickness . 2.0)
988 (meta . ((class . Spanner)
989 (interfaces . (multi-measure-rest-interface
990 multi-measure-interface
993 staff-symbol-referencer-interface))))))
996 (MultiMeasureRestNumber
998 (bound-padding . 2.0)
999 (springs-and-rods . ,ly:multi-measure-rest::set-text-rods)
1000 (stencil . ,ly:text-interface::print)
1001 (X-offset . ,(ly:make-simple-closure
1002 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self))
1003 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-centered-on-y-parent)))))
1004 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1006 (self-alignment-X . 0)
1009 (staff-padding . 0.4)
1010 (font-encoding . fetaNumber)
1011 (meta . ((class . Spanner)
1012 (interfaces . (side-position-interface
1013 multi-measure-interface
1014 self-alignment-interface
1019 (MultiMeasureRestText
1021 (stencil . ,ly:text-interface::print)
1022 (X-offset . ,(ly:make-simple-closure
1023 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-centered-on-y-parent))
1024 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self)))))
1026 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1027 (self-alignment-X . 0)
1030 (staff-padding . 0.25)
1031 (meta . ((class . Spanner)
1032 (interfaces . (side-position-interface
1033 multi-measure-interface
1034 self-alignment-interface
1036 text-interface))))))
1038 (NonMusicalPaperColumn
1040 (allow-loose-spacing . #t)
1042 (before-line-breaking . ,ly:paper-column::before-line-breaking)
1043 (X-extent . ,ly:axis-group-interface::width)
1044 ;; (stencil . ,ly:paper-column::print)
1047 (line-break-permission . allow)
1048 (page-break-permission . allow)
1050 ;; debugging stuff: print column number.
1051 ;; (font-size . -6) (font-name . "sans") (Y-extent . #f)
1053 (meta . ((class . Paper_column)
1054 (interfaces . (paper-column-interface
1055 axis-group-interface
1056 spaceable-grob-interface))))))
1061 (X-extent . ,ly:axis-group-interface::width)
1062 (Y-extent . ,ly:axis-group-interface::height)
1063 (positioning-done . ,ly:note-collision-interface::calc-positioning-done)
1064 (meta . ((class . Item)
1065 (interfaces . (note-collision-interface
1066 axis-group-interface))))))
1071 (X-extent . ,ly:axis-group-interface::width)
1072 (Y-extent . ,ly:axis-group-interface::height)
1073 (meta . ((class . Item)
1074 (interfaces . (axis-group-interface
1075 note-column-interface))))))
1079 (stencil . ,ly:note-head::print)
1080 (duration-log . ,note-head::calc-duration-log)
1081 (stem-attachment . ,ly:note-head::calc-stem-attachment)
1082 (glyph-name . ,note-head::calc-glyph-name)
1083 (Y-offset . ,ly:staff-symbol-referencer::callback)
1084 (X-offset . ,ly:note-head::stem-x-shift)
1085 (meta . ((class . Item)
1086 (interfaces . (rhythmic-grob-interface
1087 rhythmic-head-interface
1091 staff-symbol-referencer-interface))))))
1095 (stem-spacing-correction . 0.5)
1096 (same-direction-correction . 0.25)
1097 ;; Changed this from 0.75.
1098 ;; If you ever change this back, please document! --hwn
1099 (knee-spacing-correction . 1.0)
1100 (meta . ((class . Item)
1101 (interfaces . (spacing-interface
1102 note-spacing-interface))))))
1106 (stencil . ,ly:text-interface::print)
1107 (meta . ((class . Item)
1108 (interfaces . (note-name-interface
1110 font-interface))))))
1114 (self-alignment-X . 0)
1115 (break-visibility . ,begin-of-line-visible)
1116 (X-offset . ,(ly:make-simple-closure
1117 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self))
1118 ,(ly:make-simple-closure (list ly:self-alignment-interface::centered-on-x-parent)))))
1120 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1121 (stencil . ,ly:text-interface::print)
1123 ;; no Y dimensions, because of lyrics under tenor clef.
1124 (Y-extent . (0 . 0))
1125 (font-shape . italic)
1127 (staff-padding . 0.2)
1129 (meta . ((class . Item)
1130 (interfaces . (text-interface
1131 self-alignment-interface
1132 side-position-interface
1133 font-interface))))))
1137 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1138 (stencil . ,ly:ottava-bracket::print)
1139 (font-shape . italic)
1140 (shorten-pair . (0.0 . -0.6))
1141 (staff-padding . 1.0)
1143 (minimum-length . 1.0)
1144 (dash-fraction . 0.3)
1145 (edge-height . (0 . 1.2))
1147 (meta . ((class . Spanner)
1148 (interfaces . (ottava-bracket-interface
1149 horizontal-bracket-interface
1151 side-position-interface
1153 text-interface))))))
1158 (allow-loose-spacing . #t)
1159 (before-line-breaking . ,ly:paper-column::before-line-breaking)
1160 ;; (stencil . ,ly:paper-column::print)
1161 (X-extent . ,ly:axis-group-interface::width)
1164 ;; (font-size . -6) (font-name . "sans") (Y-extent . #f)
1165 (meta . ((class . Paper_column)
1166 (interfaces . (paper-column-interface
1167 axis-group-interface
1168 spaceable-grob-interface))))))
1171 . ((stencil . ,parentheses-item::print)
1174 (meta . ((class . Item)
1175 (interfaces . (parentheses-interface font-interface))))
1179 . ((details . ,default-slur-details)
1180 (control-points . ,ly:slur::calc-control-points)
1181 (direction . ,ly:slur::calc-direction)
1182 (springs-and-rods . ,ly:spanner::set-spacing-rods)
1183 (Y-extent . ,ly:slur::height)
1184 (stencil . ,ly:slur::print)
1186 (minimum-length . 1.5)
1187 (height-limit . 2.0)
1189 (meta . ((class . Spanner)
1190 (interfaces . (slur-interface))))))
1196 (springs-and-rods . ,ly:multi-measure-rest::set-spacing-rods)
1197 (stencil . ,ly:multi-measure-rest::percent)
1200 (font-encoding . fetaMusic)
1201 (meta . ((class . Spanner)
1202 (interfaces . (multi-measure-rest-interface
1204 percent-repeat-interface))))))
1205 (PercentRepeatCounter
1207 (stencil . ,ly:text-interface::print)
1208 (X-offset . ,(ly:make-simple-closure
1209 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-centered-on-y-parent))
1210 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self)))))
1211 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1212 (self-alignment-X . 0)
1215 (staff-padding . 0.25)
1217 (font-encoding . fetaNumber)
1218 (meta . ((class . Spanner)
1219 (interfaces . (side-position-interface
1220 self-alignment-interface
1221 percent-repeat-interface
1223 text-interface))))))
1225 ;; an example of a text spanner
1228 (stencil . ,ly:piano-pedal-bracket::print)
1230 (bound-padding . 1.0)
1232 (bracket-flare . (0.5 . 0.5))
1233 (edge-height . (1.0 . 1.0))
1234 (shorten-pair . (0.0 . 0.0))
1236 (meta . ((class . Spanner)
1237 (interfaces . (line-interface
1238 piano-pedal-interface
1239 piano-pedal-bracket-interface))))))
1243 (stencil . ,ly:text-interface::print)
1244 (X-offset . ,(ly:make-simple-closure
1246 ,(ly:make-simple-closure
1247 (list ly:break-alignment-align-interface::self-align-callback))
1248 ,(ly:make-simple-closure
1249 (list ly:self-alignment-interface::x-aligned-on-self)))))
1251 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1252 (self-alignment-X . 0)
1257 (break-visibility . ,end-of-line-invisible)
1258 (break-align-symbol . staff-bar)
1260 (meta . ((class . Item)
1261 (interfaces . (text-interface
1262 side-position-interface
1263 break-alignment-align-interface
1266 self-alignment-interface))))))
1270 (stencil . ,ly:percent-repeat-item-interface::beat-slash)
1273 (meta . ((class . Item)
1274 (interfaces . (percent-repeat-interface))))))
1278 (stencil . ,ly:tie::print)
1279 (control-points . ,ly:semi-tie::calc-control-points)
1280 (direction . ,ly:semi-tie::calc-direction)
1281 (details . ((ratio . 0.333)
1282 (height-limit . 1.0)))
1284 (meta . ((class . Item)
1285 (interfaces . (semi-tie-interface))
1293 (head-direction . ,RIGHT)
1294 (positioning-done . ,ly:semi-tie-column::calc-positioning-done)
1295 (meta . ((class . Item)
1296 (interfaces . (semi-tie-column-interface))
1302 (stencil . ,ly:rest::print)
1303 (duration-log . ,note-head::calc-duration-log)
1304 (X-extent . ,ly:rest::width)
1305 (Y-extent . ,ly:rest::height)
1306 (Y-offset . ,ly:rest::y-offset-callback)
1307 (minimum-distance . 0.25)
1308 (meta . ((class . Item)
1309 (interfaces . (font-interface
1310 rhythmic-head-interface
1311 rhythmic-grob-interface
1312 staff-symbol-referencer-interface
1313 rest-interface))))))
1317 (minimum-distance . 0.75)
1318 (positioning-done . ,ly:rest-collision::calc-positioning-done)
1319 (meta . ((class . Item)
1320 (interfaces . (rest-collision-interface))))))
1324 ;; don't set direction here: it breaks staccato.
1326 ;; padding set in script definitions.
1327 (staff-padding . 0.25)
1328 ;; (script-priority . 0) priorities for scripts, see script.scm
1329 (X-offset . ,ly:self-alignment-interface::centered-on-x-parent)
1330 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1333 (stencil . ,ly:script-interface::print)
1334 (direction . ,ly:script-interface::calc-direction)
1335 (font-encoding . fetaMusic)
1336 (meta . ((class . Item)
1337 (interfaces . (script-interface
1338 side-position-interface
1339 font-interface))))))
1343 (before-line-breaking . ,ly:script-column::before-line-breaking)
1344 (meta . ((class . Item)
1345 (interfaces . (script-column-interface))))))
1348 (before-line-breaking . ,ly:script-column::row-before-line-breaking)
1349 (meta . ((class . Item)
1350 (interfaces . (script-column-interface))))))
1356 (meta . ((class . Item)
1357 (interfaces . (spacing-interface
1358 separation-item-interface))))))
1360 (SeparatingGroupSpanner
1362 (springs-and-rods . ,ly:separating-group-spanner::set-spacing-rods)
1363 (meta . ((class . Spanner)
1364 (interfaces . (only-prebreak-interface
1366 separation-spanner-interface))))))
1369 . ((details . ,default-slur-details)
1370 (control-points . ,ly:slur::calc-control-points)
1371 (direction . ,ly:slur::calc-direction)
1372 (springs-and-rods . ,ly:spanner::set-spacing-rods)
1373 (Y-extent . ,ly:slur::height)
1374 (stencil . ,ly:slur::print)
1376 (line-thickness . 0.8)
1377 (minimum-length . 1.5)
1378 (height-limit . 2.0)
1380 (avoid-slur . inside)
1381 (meta . ((class . Spanner)
1382 (interfaces . (slur-interface))))))
1386 (stencil . ,ly:text-interface::print)
1387 (direction . ,RIGHT)
1388 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1389 (no-spacing-rods . #t)
1390 (padding . 0.0) ;; padding relative to SostenutoPedalLineSpanner
1391 (font-shape . italic)
1392 (self-alignment-X . 0)
1393 (meta . ((class . Item)
1394 (interfaces . (text-interface
1395 self-alignment-interface
1396 piano-pedal-script-interface
1397 font-interface))))))
1399 (SostenutoPedalLineSpanner
1402 (Y-extent . ,ly:axis-group-interface::height)
1403 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1405 (staff-padding . 1.0)
1407 (minimum-space . 1.0)
1409 (meta . ((class . Spanner)
1410 (interfaces . (piano-pedal-interface
1411 axis-group-interface
1412 side-position-interface))))))
1415 (springs-and-rods . ,ly:spacing-spanner::set-springs)
1416 (common-shortest-duration . ,ly:spacing-spanner::calc-common-shortest-duration)
1417 (average-spacing-wishes . #t)
1418 (shortest-duration-space . 2.0)
1419 (spacing-increment . 1.2)
1421 (base-shortest-duration . ,(ly:make-moment 3 16))
1422 (meta . ((class . Spanner)
1423 (interfaces . (spacing-interface
1424 spacing-options-interface
1425 spacing-spanner-interface))))))
1429 (break-align-symbol . staff-bar)
1433 (stencil . ,ly:span-bar::print)
1434 (bar-size . ,ly:span-bar::calc-bar-size)
1435 (X-extent . ,ly:span-bar::width)
1436 (glyph-name . ,ly:span-bar::calc-glyph-name)
1437 (before-line-breaking . ,ly:span-bar::before-line-breaking)
1442 ;; Ross. page 151 lists other values, we opt for a leaner look
1446 (hair-thickness . 1.6)
1447 (thick-thickness . 6.0)
1448 (meta . ((class . Item)
1449 (interfaces . (span-bar-interface
1451 bar-line-interface))))))
1455 (stencil . ,ly:text-interface::print)
1456 (font-series . bold)
1458 (X-offset . ,ly:side-position-interface::x-aligned-side)
1461 (meta . ((class . Item)
1462 (interfaces . (side-position-interface
1463 stanza-number-interface
1465 font-interface))))))
1471 (stem-spacing-correction . 0.4)
1472 (meta . ((class . Item)
1473 (interfaces . (spacing-interface
1474 staff-spacing-interface))))))
1479 (Y-extent . ,ly:staff-symbol::height)
1480 (stencil . ,ly:staff-symbol::print)
1482 (ledger-line-thickness . (1.0 . 0.1))
1484 (meta . ((class . Spanner)
1485 (interfaces . (staff-symbol-interface))))))
1489 (direction . ,ly:stem::calc-direction)
1490 (duration-log . ,note-head::calc-duration-log)
1491 (default-direction . ,ly:stem::calc-default-direction)
1492 (stem-end-position . ,ly:stem::calc-stem-end-position)
1494 (neutral-direction . ,DOWN)
1495 (stem-info . ,ly:stem::calc-stem-info)
1496 (positioning-done . ,ly:stem::calc-positioning-done)
1497 (stencil . ,ly:stem::print)
1498 (X-extent . ,ly:stem::width)
1499 (Y-extent . ,ly:stem::height)
1500 (length . ,ly:stem::calc-length)
1504 ;; 3.5 (or 3 measured from note head) is standard length
1505 ;; 32nd, 64th flagged stems should be longer
1506 (lengths . (3.5 3.5 3.5 4.5 5.0))
1508 ;; FIXME. 3.5 yields too long beams (according to Ross and
1509 ;; looking at Baerenreiter examples) for a number of common
1510 ;; boundary cases. Subtracting half a beam thickness fixes
1511 ;; this, but the bug may well be somewhere else.
1513 ;; FIXME this should come from 'lengths
1514 (beamed-lengths . (3.26 3.5 3.6))
1516 ;; The 'normal' minima
1517 (beamed-minimum-free-lengths . (1.83 1.5 1.25))
1518 ;(beamed-minimum-free-lengths . (2.0 1.83 1.25))
1520 ;; The 'extreme case' minima
1521 (beamed-extreme-minimum-free-lengths . (2.0 1.25))
1523 ;; Stems in unnatural (forced) direction should be shortened by
1524 ;; one staff space, according to [Roush & Gourlay].
1525 ;; Flagged stems we shorten only half a staff space.
1526 (stem-shorten . (1.0 0.5))
1530 ;; We use the normal minima as minimum for the ideal lengths,
1531 ;; and the extreme minima as abolute minimum length.
1533 (X-offset . ,ly:stem::offset-callback)
1534 (Y-offset . ,ly:staff-symbol-referencer::callback)
1535 (meta . ((class . Item)
1536 (interfaces . (stem-interface
1537 font-interface))))))
1541 (Y-extent . ,ly:stem-tremolo::height)
1542 (stencil . ,ly:stem-tremolo::print)
1544 (slope . ,ly:stem-tremolo::calc-slope)
1545 (beam-width . ,ly:stem-tremolo::calc-width) ; staff-space
1546 (style . ,ly:stem-tremolo::calc-style)
1547 (beam-thickness . 0.48) ; staff-space
1548 (meta . ((class . Item)
1549 (interfaces . (stem-tremolo-interface))))))
1553 (stencil . ,print-circled-text-callback)
1554 (text . ,string-number::calc-text)
1556 (staff-padding . 0.5)
1557 (self-alignment-X . 0)
1558 (self-alignment-Y . 0)
1559 (script-priority . 100)
1560 (font-encoding . fetaNumber)
1561 (font-size . -5) ; don't overlap when next to heads.
1562 (meta . ((class . Item)
1563 (interfaces . (string-number-interface
1565 text-script-interface
1567 side-position-interface
1568 self-alignment-interface
1569 item-interface))))))
1573 (stencil . ,ly:text-interface::print)
1574 (text . ,stroke-finger::calc-text)
1575 (digit-names . #("p" "i" "m" "a" "x"))
1577 (staff-padding . 0.5)
1578 (self-alignment-X . 0)
1579 (self-alignment-Y . 0)
1580 (script-priority . 100)
1581 (font-shape . italic)
1582 (font-size . -4) ; don't overlap when next to heads.
1583 (meta . ((class . Item)
1584 (interfaces . (stroke-finger-interface
1586 text-script-interface
1588 side-position-interface
1589 self-alignment-interface
1590 item-interface))))))
1595 (no-spacing-rods . #t)
1596 (stencil . ,ly:sustain-pedal::print)
1597 (self-alignment-X . 0)
1598 (direction . ,RIGHT)
1599 (padding . 0.0) ;; padding relative to SustainPedalLineSpanner
1600 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1601 (meta . ((class . Item)
1602 (interfaces . (piano-pedal-interface
1603 text-spanner-interface
1604 line-spanner-interface
1606 self-alignment-interface
1607 piano-pedal-script-interface
1608 font-interface))))))
1610 (SustainPedalLineSpanner
1613 (Y-extent . ,ly:axis-group-interface::height)
1614 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1617 (staff-padding . 1.2)
1618 (minimum-space . 1.0)
1620 (meta . ((class . Spanner)
1621 (interfaces . (piano-pedal-interface
1622 axis-group-interface
1623 side-position-interface))))))
1628 (X-extent . ,ly:axis-group-interface::width)
1629 (Y-extent . ,ly:axis-group-interface::height)
1630 (meta . ((class . System)
1631 (interfaces . (system-interface
1632 axis-group-interface))))))
1638 (stencil . ,ly:system-start-delimiter::print)
1639 (collapse-height . 5.0)
1640 (X-offset . ,ly:side-position-interface::x-aligned-side)
1642 (font-encoding . fetaBraces)
1644 (meta . ((class . Spanner)
1645 (interfaces . (system-start-delimiter-interface
1646 side-position-interface
1647 font-interface))))))
1653 (X-offset . ,ly:side-position-interface::x-aligned-side)
1655 (stencil . ,ly:system-start-delimiter::print)
1656 (style . line-bracket)
1658 (meta . ((class . Spanner)
1659 (interfaces . (font-interface
1660 side-position-interface
1661 system-start-delimiter-interface))))))
1666 (X-offset . ,ly:side-position-interface::x-aligned-side)
1668 (stencil . ,ly:system-start-delimiter::print)
1670 (collapse-height . 5.0)
1672 (meta . ((class . Spanner)
1673 (interfaces . (font-interface
1674 side-position-interface
1675 system-start-delimiter-interface))))))
1682 (padding . -0.1) ;; bar must cover rounded ending of staff line.
1683 (X-offset . ,ly:side-position-interface::x-aligned-side)
1687 (stencil . ,ly:system-start-delimiter::print)
1688 (meta . ((class . Spanner)
1689 (interfaces . (side-position-interface
1690 system-start-delimiter-interface))))))
1695 (stencil . ,ly:text-interface::print)
1696 (Y-offset . ,ly:staff-symbol-referencer::callback)
1697 (duration-log . ,note-head::calc-duration-log)
1699 (stem-attachment . (0.0 . 1.35))
1700 (font-series . bold)
1701 (meta . ((class . Item)
1703 . (rhythmic-head-interface
1704 font-interface rhythmic-grob-interface
1706 staff-symbol-referencer-interface
1707 text-interface))))))
1711 (no-spacing-rods . #t)
1712 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1713 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1717 ;; sync with Fingering ?
1719 (staff-padding . 0.5)
1721 (stencil . ,ly:text-interface::print)
1722 (direction . ,ly:script-interface::calc-direction)
1724 (avoid-slur . around)
1725 (slur-padding . 0.5)
1726 (script-priority . 200)
1727 ;; todo: add X self alignment?
1728 (meta . ((class . Item)
1729 (interfaces . (text-script-interface
1731 side-position-interface
1732 font-interface))))))
1736 (stencil . ,ly:text-spanner::print)
1737 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1738 (font-shape . italic)
1739 (style . dashed-line)
1740 (staff-padding . 0.8)
1741 (dash-fraction . 0.2)
1745 (meta . ((class . Spanner)
1746 (interfaces . (text-spanner-interface
1747 line-spanner-interface
1748 side-position-interface
1749 font-interface))))))
1753 (control-points . ,ly:tie::calc-control-points)
1754 (springs-and-rods . ,ly:spanner::set-spacing-rods)
1755 (avoid-slur . inside)
1756 (direction . ,ly:tie::calc-direction)
1757 (stencil . ,ly:tie::print)
1760 ;; for a full list, see tie-helper.cc
1762 (center-staff-line-clearance . 0.6)
1763 (tip-staff-line-clearance . 0.45)
1764 (note-head-gap . 0.2)
1766 (height-limit . 1.0)
1767 (horizontal-distance-penalty-factor . 10)
1768 (min-length-penalty-factor . 20)
1769 (tie-tie-collision-distance . 0.45)
1770 (tie-tie-collision-penalty . 25.0)
1771 (intra-space-threshold . 1.25)
1772 (outer-tie-vertical-distance-symmetry-penalty-factor . 10)
1773 (outer-tie-length-symmetry-penalty-factor . 10)
1774 (outer-tie-vertical-gap . 0.25)
1775 (multi-tie-region-size . 1)
1776 (between-length-limit . 1.0)))
1779 (line-thickness . 0.8)
1780 (meta . ((class . Spanner)
1781 (interfaces . (tie-interface))))
1786 (positioning-done . ,ly:tie-column::calc-positioning-done)
1787 (before-line-breaking . ,ly:tie-column::before-line-breaking)
1790 (meta . ((class . Spanner)
1791 (interfaces . (tie-column-interface))))))
1795 (stencil . ,ly:time-signature::print)
1796 (break-align-symbol . time-signature)
1797 (break-visibility . ,all-visible)
1799 (first-note . (fixed-space . 2.0))
1800 (right-edge . (extra-space . 0.5))
1801 (staff-bar . (minimum-space . 2.0))))
1804 (meta . ((class . Item)
1805 (interfaces . (time-signature-interface
1806 break-aligned-interface
1807 font-interface))))))
1811 (stencil . ,ly:dynamic-text-spanner::print)
1812 (edge-text . ,(cons (make-musicglyph-markup "scripts.trill")
1815 (staff-padding . 1.0)
1818 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1820 (meta . ((class . Spanner)
1821 (interfaces . (text-spanner-interface
1822 line-spanner-interface
1823 side-position-interface
1824 font-interface))))))
1826 (TrillPitchAccidental
1827 . ((X-offset . ,ly:side-position-interface::x-aligned-side)
1832 (stencil . ,ly:accidental-interface::print)
1833 (meta . ((class . Item)
1834 (interfaces . (item-interface
1835 trill-pitch-accidental-interface
1836 side-position-interface
1837 font-interface))))))
1840 . ((X-offset . ,ly:side-position-interface::x-aligned-side)
1843 (stencil . ,parenthesize-elements)
1844 (direction . ,RIGHT)
1847 (meta . ((class . Item)
1848 (interfaces . (side-position-interface
1850 rhythmic-head-interface
1852 accidental-interface
1853 axis-group-interface))))))
1857 (stencil . ,ly:note-head::print)
1859 (Y-offset . ,ly:staff-symbol-referencer::callback)
1861 (meta . ((class . Item)
1862 (interfaces . (item-interface
1863 rhythmic-head-interface
1865 pitched-trill-interface
1867 staff-symbol-referencer-interface))))))
1873 (edge-height . (0.7 . 0.7))
1874 (shorten-pair . (-0.2 . -0.2))
1875 (staff-padding . 0.25)
1876 (direction . ,ly:tuplet-bracket::calc-direction)
1877 (positions . ,ly:tuplet-bracket::calc-positions)
1878 (connect-to-neighbor . ,ly:tuplet-bracket::calc-connect-to-neighbors)
1879 (control-points . ,ly:tuplet-bracket::calc-control-points)
1880 (stencil . ,ly:tuplet-bracket::print)
1882 (meta . ((class . Spanner)
1883 (interfaces . (line-interface
1884 tuplet-bracket-interface))))))
1888 (stencil . ,ly:tuplet-number::print)
1889 (text . ,tuplet-number::calc-denominator-text)
1890 (font-shape . italic)
1892 (avoid-slur . inside)
1893 (meta . ((class . Spanner)
1894 (interfaces . (text-interface tuplet-number-interface
1895 font-interface))))))
1899 (stencil . ,ly:text-interface::print)
1900 (font-shape . italic)
1901 (no-spacing-rods . #t)
1902 (self-alignment-X . 0)
1903 (direction . ,RIGHT)
1904 (padding . 0.0) ;; padding relative to UnaCordaPedalLineSpanner
1905 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1906 (meta . ((class . Item)
1907 (interfaces . (text-interface
1908 piano-pedal-script-interface
1909 self-alignment-interface
1910 font-interface))))))
1912 (UnaCordaPedalLineSpanner
1915 (Y-extent . ,ly:axis-group-interface::height)
1916 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1919 (staff-padding . 1.2)
1920 (minimum-space . 1.0)
1922 (meta . ((class . Spanner)
1923 (interfaces . (piano-pedal-interface
1924 axis-group-interface
1925 side-position-interface))))))
1931 (stencil . ,ly:vaticana-ligature::print)
1932 (meta . ((class . Spanner)
1933 (interfaces . (vaticana-ligature-interface
1934 font-interface))))))
1939 (positioning-done . ,ly:align-interface::calc-positioning-done)
1940 (after-line-breaking . ,ly:align-interface::stretch-after-break)
1941 (Y-extent . ,ly:axis-group-interface::height)
1942 (X-extent . ,ly:axis-group-interface::width)
1945 (meta . ((class . Spanner)
1946 (interfaces . (align-interface
1947 axis-group-interface))))))
1951 (Y-offset . ,ly:hara-kiri-group-spanner::force-hara-kiri-callback)
1952 (Y-extent . ,ly:hara-kiri-group-spanner::y-extent)
1953 (X-extent . ,ly:axis-group-interface::width)
1954 (meta . ((class . Spanner)
1955 (interfaces . (axis-group-interface
1956 hara-kiri-group-interface
1957 vertically-spaceable-interface))))))
1962 (stencil . ,ly:volta-bracket-interface::print)
1965 (font-encoding . fetaNumber)
1966 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1968 (thickness . 1.6) ;; line-thickness
1969 (edge-height . (2.0 . 2.0)) ;; staff-space;
1972 (meta . ((class . Spanner)
1973 (interfaces . (volta-bracket-interface
1974 horizontal-bracket-interface
1977 side-position-interface
1989 (stencil . ,ly:line-spanner::print)
1990 (after-line-breaking . ,ly:line-spanner::after-line-breaking)
1991 (meta . ((class . Spanner)
1992 (interfaces . (line-spanner-interface
1998 (define (completize-grob-entry x)
1999 "Transplant assoc key into 'name entry of 'meta of X. Set interfaces for Item, Spanner etc.
2001 ;; (display (car x))
2003 (let* ((name-sym (car x))
2004 (grob-entry (cdr x))
2005 (meta-entry (cdr (assoc 'meta grob-entry)))
2006 (class (cdr (assoc 'class meta-entry)))
2008 (cdr (assoc 'interfaces meta-entry))))
2012 (set! ifaces-entry (cons 'item-interface ifaces-entry)))
2013 ((eq? 'Spanner class)
2014 (set! ifaces-entry (cons 'spanner-interface ifaces-entry)))
2015 ((eq? 'Paper_column class)
2016 (set! ifaces-entry (cons 'item-interface
2017 (cons 'paper-column-interface ifaces-entry))))
2018 ((eq? 'System class)
2019 (set! ifaces-entry (cons 'system-interface
2020 (cons 'spanner-interface ifaces-entry))))
2022 (ly:warning "Unknown class ~a" class)))
2023 (set! ifaces-entry (cons 'grob-interface ifaces-entry))
2025 (set! meta-entry (assoc-set! meta-entry 'name name-sym))
2026 (set! meta-entry (assoc-set! meta-entry 'interfaces
2028 (set! grob-entry (assoc-set! grob-entry 'meta meta-entry))
2029 (cons name-sym grob-entry)))
2031 (set! all-grob-descriptions (map completize-grob-entry all-grob-descriptions))
2033 ;; (display (map pair? all-grob-descriptions))
2035 ;; make sure that \property Foo.Bar =\turnOff doesn't complain
2038 ;; (display (car x)) (newline)
2040 (set-object-property! (car x) 'translation-type? list?)
2041 (set-object-property! (car x) 'is-grob? #t))
2042 all-grob-descriptions)
2044 (set! all-grob-descriptions (sort all-grob-descriptions alist<?))
2046 (define pure-print-callbacks
2050 ly:text-interface::print
2051 ly:script-interface::print))
2053 ;; ly:grob::stencil-extent is safe iff the print callback is safe too
2054 (define (pure-stencil-height grob start stop)
2055 (let ((sten (ly:grob-property-data grob 'stencil)))
2058 (memq sten pure-print-callbacks))
2059 (ly:grob::stencil-height grob)
2062 (define pure-conversions-alist
2064 `(,ly:slur::outside-slur-callback . ,ly:slur::pure-outside-slur-callback)
2065 `(,ly:stem::height . ,ly:stem::pure-height)
2066 `(,ly:grob::stencil-height . ,pure-stencil-height)
2067 `(,ly:side-position-interface::y-aligned-side . ,ly:side-position-interface::pure-y-aligned-side)
2068 `(,ly:axis-group-interface::height . ,ly:axis-group-interface::pure-height)
2069 `(,ly:hara-kiri-group-spanner::y-extent . ,ly:hara-kiri-group-spanner::pure-height)
2070 `(,ly:slur::height . ,ly:slur::pure-height)
2071 `(,ly:side-position-interface::y-aligned-side . ,ly:side-position-interface::pure-y-aligned-side)))
2073 (define pure-functions
2075 ly:staff-symbol-referencer::callback
2076 ly:staff-symbol::height))
2078 (define-public (pure-relevant grob)
2079 (let ((extent-callback (ly:grob-property-data grob 'Y-extent)))
2082 (pair? extent-callback)
2083 (memq extent-callback pure-functions)
2085 (pair? (assq extent-callback pure-conversions-alist))
2088 (not (eq? extent-callback ly:grob::stencil-height))
2089 (memq (ly:grob-property-data grob 'stencil) pure-print-callbacks)
2090 (ly:stencil? (ly:grob-property-data grob 'stencil))))))))))
2092 (define-public (call-pure-function unpure args start end)
2093 (if (ly:simple-closure? unpure)
2094 (ly:eval-simple-closure (car args) unpure start end)
2095 (if (not (procedure? unpure))
2097 (if (memq unpure pure-functions)
2099 (let ((pure (assq unpure pure-conversions-alist)))
2101 (apply (cdr pure) (append (list (car args) start end) (cdr args)))))))))