1 ;;;; define-grobs.scm --
3 ;;;; source file of the GNU LilyPond music typesetter
5 ;;;; (c) 1998--2006 Han-Wen Nienhuys <hanwen@cs.uu.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 (positioning-done . ,ly:accidental-placement::calc-positioning-done)
59 (X-extent . ,ly:axis-group-interface::width)
61 ;; this is quite small, but it is very ugly to have
62 ;; accs closer to the previous note than to the next one.
63 (right-padding . 0.15)
64 (meta . ((class . Item)
65 (interfaces . (accidental-placement-interface))))))
69 (X-extent . ,ly:axis-group-interface::width)
70 (Y-extent . ,ly:axis-group-interface::height)
72 (clef . (extra-space . 0.5))
73 (key-signature . (extra-space . 0.0))
74 (staff-bar . (extra-space . 0.0))
75 (time-signature . (extra-space . 0.0))
76 (first-note . (fixed-space . 0.0))))
78 (break-align-symbol . ambitus)
79 (break-visibility . ,begin-of-line-visible)
80 (meta . ((class . Item)
81 (interfaces . (axis-group-interface
82 break-aligned-interface
83 ambitus-interface))))))
87 (stencil . ,ly:ambitus::print)
90 (X-offset . ,ly:self-alignment-interface::centered-on-x-parent)
91 (meta . ((class . Item)
92 (interfaces . (ambitus-interface
93 staff-symbol-referencer-interface
99 (X-offset . ,ly:side-position-interface::x-aligned-side)
101 (cautionary-style . parentheses)
102 (stencil . ,ly:accidental-interface::print)
103 (after-line-breaking . ,ly:accidental-interface::after-line-breaking)
105 (meta . ((class . Item)
106 (interfaces . (item-interface
108 break-aligned-interface
109 side-position-interface
115 (stencil . ,ly:note-head::print)
116 (glyph-name . ,note-head::calc-glyph-name)
117 (Y-offset . ,ly:staff-symbol-referencer::callback)
118 (meta . ((class . Item)
119 (interfaces . (font-interface
122 staff-symbol-referencer-interface
123 rhythmic-head-interface
124 ledgered-interface))))))
127 . ((X-extent . ,ly:arpeggio::width)
128 (stencil . ,ly:arpeggio::print)
129 (Y-offset . ,ly:staff-symbol-referencer::callback)
130 (X-offset . ,ly:side-position-interface::x-aligned-side)
134 (staff-position . 0.0)
135 (meta . ((class . Item)
136 (interfaces . (arpeggio-interface
137 staff-symbol-referencer-interface
138 side-position-interface
143 (break-align-symbol . staff-bar)
147 (break-visibility . ,all-visible)
150 (stencil . ,ly:bar-line::print)
151 (glyph-name . ,bar-line::calc-glyph-name)
152 (bar-size . ,ly:bar-line::calc-bar-size)
155 (time-signature . (extra-space . 0.75))
156 (custos . (minimum-space . 2.0))
157 (clef . (minimum-space . 1.0))
158 (key-signature . (extra-space . 1.0))
159 (key-cancellation . (extra-space . 1.0))
160 (first-note . (fixed-space . 1.3))
161 (next-note . (semi-fixed-space . 1.3))
162 (right-edge . (extra-space . 0.0))))
165 ;; Ross. page 151 lists other values, we opt for a leaner look
168 ;; kern should scale with line-thickness too.
171 (hair-thickness . 1.9)
172 (thick-thickness . 6.0)
173 (meta . ((class . Item)
174 (interfaces . (bar-line-interface
175 break-aligned-interface
180 (stencil . ,ly:text-interface::print)
182 (break-visibility . ,begin-of-line-visible)
185 (font-family . roman)
187 (Y-offset . ,ly:side-position-interface::y-aligned-side)
189 (X-offset . ,(ly:make-simple-closure
191 ,(ly:make-simple-closure
192 (list ly:break-alignment-align-interface::self-align-callback))
193 ,(ly:make-simple-closure
194 (list ly:self-alignment-interface::x-aligned-on-self)))))
196 (self-alignment-X . 1)
197 (break-align-symbol . left-edge)
200 (interfaces . (side-position-interface
202 break-alignment-align-interface
203 self-alignment-interface
210 (stencil . ,ly:text-interface::print)
211 (meta . ((class . Item)
212 (interfaces . (text-interface
213 rhythmic-grob-interface
214 bass-figure-interface
220 (threshold . (2 . 1000))
221 (positioning-done . ,ly:align-interface::calc-positioning-done)
222 (Y-extent . ,ly:axis-group-interface::height)
224 (meta . ((class . Spanner)
225 (interfaces . (align-interface
226 bass-figure-alignment-interface
227 axis-group-interface))))))
229 (BassFigureAlignmentPositioning
230 . ((Y-offset . ,ly:side-position-interface::y-aligned-side)
233 (Y-extent . ,ly:axis-group-interface::height)
235 (staff-padding . 1.0)
237 (meta . ((class . Spanner)
238 (interfaces . (side-position-interface
244 (stencil . ,ly:enclosing-bracket::print)
245 (X-extent . ,ly:enclosing-bracket::width)
246 (edge-height . (0.2 . 0.2))
247 (meta . ((class . Item)
248 (interfaces . (enclosing-bracket-interface)) ))
250 (BassFigureContinuation
252 (stencil . ,ly:figured-bass-continuation::print)
253 (Y-offset . ,ly:figured-bass-continuation::center-on-figures)
254 (meta . ((class . Spanner)
255 (interfaces . (figured-bass-continuation-interface))
260 (Y-extent . ,ly:axis-group-interface::height)
261 (meta . ((class . Spanner)
262 (interfaces . (axis-group-interface
268 ;; todo: clean this up a bit: the list is getting
271 (positions . ,(ly:make-simple-closure
272 (ly:make-simple-closure
273 (list chain-grob-member-functions
275 ly:beam::calc-least-squares-positions
276 ly:beam::slope-damping
277 ly:beam::shift-region-to-valid
281 ;; this is a hack to set stem lengths, if positions is set.
282 (quantized-positions . ,ly:beam::set-stem-lengths)
283 (concaveness . ,ly:beam::calc-concaveness)
284 (direction . ,ly:beam::calc-direction)
285 (shorten . ,ly:beam::calc-stem-shorten)
286 (beaming . ,ly:beam::calc-beaming)
287 (stencil . ,ly:beam::print)
290 ;; TODO: should be in SLT.
291 (thickness . 0.48) ; in staff-space
292 (neutral-direction . ,DOWN)
294 ;; Whe have some unreferenced problems here.
296 ;; If we shorten beamed stems less than normal stems (1 staff-space),
297 ;; or high order less than 8th beams, patterns like
298 ;; c''4 [c''8 c''] c''4 [c''16 c]
299 ;; are ugly (different stem lengths).
301 ;; But if we shorten 16th beams as much as 8th beams, a single
302 ;; forced 16th beam looks *very* short.
304 ;; We choose to shorten 8th beams the same as single stems,
305 ;; and high order beams less than 8th beams, so that all
306 ;; isolated shortened beams look nice and a bit shortened,
307 ;; sadly possibly breaking patterns with high order beams.
308 (beamed-stem-shorten . (1.0 0.5 0.25))
310 (auto-knee-gap . 5.5)
312 ;; only for debugging.
313 (font-family . roman)
314 (meta . ((class . Spanner)
315 (interfaces . (staff-symbol-referencer-interface
320 (stencil . ,fall::print)
322 (meta . ((class . Spanner)
323 (interfaces . (spanner-interface
324 bend-after-interface))))))
330 (positioning-done . ,ly:break-align-interface::calc-positioning-done)
331 (X-extent . ,ly:axis-group-interface::width)
332 (break-align-orders . ;; end of line
354 time-signature custos)
368 (meta . ((class . Item)
369 (interfaces . (break-alignment-interface
370 axis-group-interface))))))
375 (X-extent . ,ly:axis-group-interface::width)
376 (meta . ((class . Item)
377 (interfaces . (break-aligned-interface
378 axis-group-interface))))))
382 (break-align-symbol . breathing-sign)
385 (ambitus . (extra-space . 2.0))
386 (custos . (minimum-space . 1.0))
387 (key-signature . (minimum-space . 1.5))
388 (time-signature . (minimum-space . 1.5))
389 (staff-bar . (minimum-space . 1.5))
390 (clef . (minimum-space . 2.0))
391 (first-note . (fixed-space . 1.0)) ;huh?
392 (right-edge . (extra-space . 0.1))))
393 (stencil . ,ly:text-interface::print)
394 (text . ,(make-musicglyph-markup "scripts.rcomma"))
395 (Y-offset . ,ly:breathing-sign::offset-callback)
396 (break-visibility . ,begin-of-line-invisible)
397 (meta . ((class . Item)
398 (interfaces . (break-aligned-interface
399 breathing-sign-interface
405 (stencil . ,ly:clef::print)
406 (glyph-name . ,ly:clef::calc-glyph-name)
408 (font-family . music)
409 (break-align-symbol . clef)
410 (break-visibility . ,begin-of-line-visible)
411 (space-alist . ((ambitus . (extra-space . 2.0))
412 (staff-bar . (extra-space . 0.7))
413 (key-cancellation . (minimum-space . 3.5))
414 (key-signature . (minimum-space . 3.5))
415 (time-signature . (minimum-space . 4.2))
416 (first-note . (minimum-fixed-space . 5.0))
417 (next-note . (extra-space . 0.5))
418 (right-edge . (extra-space . 0.5))))
419 (Y-offset . ,ly:staff-symbol-referencer::callback)
420 (meta . ((class . Item)
421 (interfaces . (clef-interface
422 staff-symbol-referencer-interface
424 break-aligned-interface))))))
426 (ClusterSpannerBeacon
428 (Y-extent . ,ly:cluster-beacon::height)
429 (meta . ((class . Item)
430 (interfaces . (cluster-beacon-interface))))))
434 (springs-and-rods . ,ly:spanner::set-spacing-rods)
435 (stencil . ,ly:cluster::print)
436 (minimum-length . 0.0)
439 (meta . ((class . Spanner)
440 (interfaces . (cluster-interface))))))
444 (stencil . ,ly:text-interface::print)
445 (after-line-breaking . ,ly:chord-name::after-line-breaking)
449 (meta . ((class . Item)
450 (interfaces . (font-interface
451 rhythmic-grob-interface
458 (stencil . ,ly:text-interface::print)
459 (no-spacing-rods . #t)
460 (Y-offset . ,ly:side-position-interface::y-aligned-side)
461 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
464 (staff-padding . 0.5)
465 (script-priority . 200)
466 ;; todo: add X self alignment?
470 (meta . ((class . Item)
471 (interfaces . (text-script-interface
473 side-position-interface
478 (break-align-symbol . custos)
480 (stencil . ,ly:custos::print)
481 (break-visibility . ,end-of-line-visible)
483 (neutral-direction . ,DOWN)
484 (Y-offset . ,ly:staff-symbol-referencer::callback)
486 (first-note . (minimum-fixed-space . 0.0))
487 (right-edge . (extra-space . 0.1))))
488 (meta . ((class . Item)
491 staff-symbol-referencer-interface
493 break-aligned-interface))))))
499 (positioning-done . ,ly:dot-column::calc-positioning-done)
500 (X-extent . ,ly:axis-group-interface::width)
501 (X-offset . ,ly:dot-column::side-position)
502 (meta . ((class . Item)
503 (interfaces . (dot-column-interface
504 axis-group-interface))))))
508 (stencil . ,ly:dots::print)
510 (meta . ((class . Item)
511 (interfaces . (font-interface
512 staff-symbol-referencer-interface
517 (stencil . ,ly:percent-repeat-item-interface::double-percent)
520 (font-encoding . fetaMusic)
523 (break-align-symbol . staff-bar)
524 (break-visibility . ,begin-of-line-invisible)
525 (meta . ((class . Item)
526 (interfaces . (font-interface
527 break-aligned-interface
528 percent-repeat-interface))))))
530 (DoublePercentRepeatCounter
532 (stencil . ,ly:text-interface::print)
533 (X-offset . ,(ly:make-simple-closure `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::centered-on-y-parent))
534 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self)))))
535 (Y-offset . ,ly:side-position-interface::y-aligned-side)
536 (font-encoding . fetaNumber)
537 (self-alignment-X . 0)
541 (staff-padding . 0.25)
543 (meta . ((class . Item)
544 (interfaces . (side-position-interface
545 self-alignment-interface
546 percent-repeat-interface
552 (Y-offset . ,ly:side-position-interface::y-aligned-side)
553 (staff-padding . 0.1)
555 (avoid-slur . outside)
557 (minimum-space . 1.2)
560 (Y-extent . ,ly:axis-group-interface::height)
561 (X-extent . ,ly:axis-group-interface::width)
562 (meta . ((class . Spanner)
563 (interfaces . (axis-group-interface
565 dynamic-line-spanner-interface
566 side-position-interface))))))
573 (stencil . ,ly:text-interface::print)
574 (direction . ,ly:script-interface::calc-direction)
576 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
577 (self-alignment-X . 0)
578 (Y-offset . ,ly:self-alignment-interface::y-aligned-on-self)
579 (self-alignment-Y . 0)
581 (font-encoding . fetaDynamic)
582 (font-shape . italic)
583 (avoid-slur . around)
584 (no-spacing-rods . #t)
585 (script-priority . 100)
586 (meta . ((class . Item)
587 (interfaces . (font-interface
589 self-alignment-interface
591 script-interface))))))
595 (stencil . ,ly:dynamic-text-spanner::print)
597 ;; rather ugh with NCSB
598 ;; (font-series . bold)
599 (font-shape . italic)
600 (style . dashed-line)
602 ;; need to blend with dynamic texts.
604 (bound-padding . 0.75)
605 (dash-fraction . 0.2)
607 (meta . ((class . Spanner)
608 (interfaces . (font-interface
610 line-spanner-interface
612 dynamic-text-spanner-interface
613 spanner-interface))))))
619 ;; sync with TextScript (?)
622 (avoid-slur . around)
624 (staff-padding . 0.5)
625 (self-alignment-X . 0)
626 (self-alignment-Y . 0)
627 (script-priority . 100)
629 (stencil . ,ly:text-interface::print)
630 (direction . ,ly:script-interface::calc-direction)
632 (font-encoding . fetaNumber)
633 (font-size . -5) ; don't overlap when next to heads.
634 (meta . ((class . Item)
635 (interfaces . (finger-interface
637 text-script-interface
639 side-position-interface
640 self-alignment-interface
646 (zigzag-width . 0.75)
650 (stencil . ,ly:line-spanner::print)
651 (after-line-breaking . ,ly:line-spanner::after-line-breaking)
652 (meta . ((class . Spanner)
653 (interfaces . (line-interface
654 line-spanner-interface))))))
658 (common-shortest-duration . ,grace-spacing::calc-shortest-duration)
659 (spacing-increment . 0.8)
660 (shortest-duration-space . 1.6)
661 (meta . ((class . Spanner)
662 (interfaces . (grace-spacing-interface
664 spacing-options-interface
665 spanner-interface))))))
670 (meta . ((class . Item)
671 (interfaces . (grid-point-interface))))))
675 (X-extent . ,ly:grid-line-interface::width)
676 (stencil . ,ly:grid-line-interface::print)
677 (self-alignment-X . ,CENTER)
678 (X-offset . ,(ly:make-simple-closure
679 `(,+ ,(ly:make-simple-closure
680 (list ly:self-alignment-interface::centered-on-x-parent))
681 ,(ly:make-simple-closure
682 (list ly:self-alignment-interface::x-aligned-on-self)))))
684 (meta . ((class . Item)
685 (interfaces . (self-alignment-interface
686 grid-line-interface))))))
690 (stencil . ,ly:hairpin::print)
691 (springs-and-rods . ,ly:spanner::set-spacing-rods)
692 (after-line-breaking . ,ly:hairpin::after-line-breaking)
696 (minimum-length . 2.0)
697 (bound-padding . 1.0)
698 (self-alignment-Y . 0)
699 (Y-offset . ,ly:self-alignment-interface::y-aligned-on-self)
700 (meta . ((class . Spanner)
701 (interfaces . (hairpin-interface
703 self-alignment-interface
705 spanner-interface))))))
710 (stencil . ,ly:horizontal-bracket::print)
711 (Y-offset . ,ly:side-position-interface::y-aligned-side)
713 (staff-padding . 0.2)
716 (bracket-flare . (0.5 . 0.5))
717 (meta . ((class . Spanner)
718 (interfaces . (horizontal-bracket-interface
719 side-position-interface
721 spanner-interface))))))
725 (stencil . ,ly:system-start-text::print)
726 (X-offset . ,ly:side-position-interface::x-aligned-side)
728 (self-alignment-Y . ,CENTER)
729 (meta . ((class . Spanner)
730 (interfaces . (system-start-text-interface
731 side-position-interface
737 (stencil . ,ly:text-interface::print)
738 (Y-offset . ,ly:side-position-interface::y-aligned-side)
739 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
742 (self-alignment-X . ,CENTER)
743 (meta . ((class . Item)
744 (interfaces . (system-start-text-interface
745 side-position-interface
750 (stencil . ,ly:key-signature-interface::print)
752 (time-signature . (extra-space . 1.25))
753 (staff-bar . (extra-space . 0.6))
754 (key-signature . (extra-space . 0.5))
755 (right-edge . (extra-space . 0.5))
756 (first-note . (fixed-space . 2.5))))
757 (Y-offset . ,ly:staff-symbol-referencer::callback)
758 (break-align-symbol . key-cancellation)
759 (break-visibility . ,begin-of-line-invisible)
761 (meta . ((class . Item)
762 (interfaces . (key-signature-interface
764 break-aligned-interface))))))
767 (stencil . ,ly:key-signature-interface::print)
769 (time-signature . (extra-space . 1.15))
770 (staff-bar . (extra-space . 1.1))
771 (right-edge . (extra-space . 0.5))
772 (first-note . (fixed-space . 2.5))))
773 (Y-offset . ,ly:staff-symbol-referencer::callback)
774 (break-align-symbol . key-signature)
775 (break-visibility . ,begin-of-line-visible)
777 (meta . ((class . Item)
778 (interfaces . (key-signature-interface
780 break-aligned-interface))))))
785 (stencil . ,ly:tie::print)
786 (control-points . ,ly:semi-tie::calc-control-points)
787 (direction . ,ly:semi-tie::calc-direction)
788 (details . ((ratio . 0.333)
789 (height-limit . 1.0)))
791 (meta . ((class . Item)
792 (interfaces . (semi-tie-interface))
796 (LaissezVibrerTieColumn
800 (head-direction . ,LEFT)
801 (positioning-done . ,ly:semi-tie-column::calc-positioning-done)
802 (meta . ((class . Item)
803 (interfaces . (semi-tie-column-interface))
809 (springs-and-rods . ,ly:ledger-line-spanner::set-spacing-rods)
810 (stencil . ,ly:ledger-line-spanner::print)
813 (minimum-length-fraction . 0.25)
814 (length-fraction . 0.25)
816 (meta . ((class . Spanner)
817 (interfaces . (ledger-line-interface))))))
821 (break-align-symbol . left-edge)
824 (break-visibility . ,center-invisible)
826 (custos . (extra-space . 0.0))
827 (ambitus . (extra-space . 2.0))
828 (time-signature . (extra-space . 1.0))
829 (staff-bar . (extra-space . 0.0))
830 (breathing-sign . (minimum-space . 0.0))
831 (clef . (extra-space . 0.8))
832 (first-note . (fixed-space . 2.0))
833 (right-edge . (extra-space . 0.0))
834 (key-signature . (extra-space . 0.0))
835 (key-cancellation . (extra-space . 0.0))
837 (meta . ((class . Item)
838 (interfaces . (break-aligned-interface))))))
842 ;; ugh. A ligature bracket is totally different from
847 (edge-height . (0.7 . 0.7))
848 (shorten-pair . (-0.2 . -0.2))
850 (positions . ,ly:tuplet-bracket::calc-positions)
851 (stencil . ,ly:tuplet-bracket::print)
852 (staff-padding . 0.25)
853 (connect-to-neighbor . ,ly:tuplet-bracket::calc-connect-to-neighbors)
854 (control-points . ,ly:tuplet-bracket::calc-control-points)
855 (meta . ((class . Spanner)
856 (interfaces . (line-interface
857 tuplet-bracket-interface))))))
862 (stencil . ,ly:lyric-extender::print)
863 (thickness . 0.8) ; line-thickness
864 (minimum-length . 1.5)
866 (meta . ((class . Spanner)
867 (interfaces . (lyric-interface
868 lyric-extender-interface))))))
876 (minimum-length . 0.3)
877 (minimum-distance . 0.1)
879 (springs-and-rods . ,ly:hyphen-spanner::set-spacing-rods)
880 (stencil . ,ly:hyphen-spanner::print)
882 (meta . ((class . Spanner)
883 (interfaces . (lyric-interface
885 lyric-hyphen-interface
886 spanner-interface))))))
889 . ((minimum-distance . 0.45)
890 (springs-and-rods . ,ly:hyphen-spanner::set-spacing-rods)
894 (meta . ((class . Spanner)
895 (interfaces . (spanner-interface
896 lyric-hyphen-interface spacing-interface))
901 (stencil . ,ly:text-interface::print)
902 (X-offset . ,ly:self-alignment-interface::aligned-on-x-parent)
903 (self-alignment-X . 0)
905 (font-series . bold-narrow)
907 (meta . ((class . Item)
908 (interfaces . (rhythmic-grob-interface
909 lyric-syllable-interface
910 self-alignment-interface
917 (Y-offset . ,ly:side-position-interface::y-aligned-side)
919 (stencil . ,ly:measure-grouping::print)
925 (meta . ((class . Spanner)
926 (interfaces . (side-position-interface
927 measure-grouping-interface))))))
931 (neutral-direction . ,DOWN)
932 (meta . ((class . Item)
933 (interfaces . (melody-spanner-interface spacing-interface))))))
938 (stencil . ,ly:mensural-ligature::print)
939 (meta . ((class . Spanner)
940 (interfaces . (mensural-ligature-interface
945 (stencil . ,ly:text-interface::print)
946 (Y-offset . ,ly:side-position-interface::y-aligned-side)
950 (meta . ((class . Item)
951 (interfaces . (text-interface
952 side-position-interface
954 metronome-mark-interface))))))
959 (stencil . ,ly:multi-measure-rest::print)
960 (springs-and-rods . ,ly:multi-measure-rest::set-spacing-rods)
961 (Y-offset . ,ly:staff-symbol-referencer::callback)
964 (thick-thickness . 6.6)
965 (hair-thickness . 2.0)
967 (meta . ((class . Spanner)
968 (interfaces . (multi-measure-rest-interface
969 multi-measure-interface
972 staff-symbol-referencer-interface))))))
975 (MultiMeasureRestNumber
977 (bound-padding . 2.0)
978 (springs-and-rods . ,ly:multi-measure-rest::set-text-rods)
979 (stencil . ,ly:text-interface::print)
980 (X-offset . ,(ly:make-simple-closure
981 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self))
982 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-centered-on-y-parent)))))
983 (Y-offset . ,ly:side-position-interface::y-aligned-side)
985 (self-alignment-X . 0)
988 (staff-padding . 0.4)
989 (font-encoding . fetaNumber)
990 (meta . ((class . Spanner)
991 (interfaces . (side-position-interface
992 multi-measure-interface
993 self-alignment-interface
998 (MultiMeasureRestText
1000 (stencil . ,ly:text-interface::print)
1001 (X-offset . ,(ly:make-simple-closure
1002 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-centered-on-y-parent))
1003 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self)))))
1005 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1006 (self-alignment-X . 0)
1009 (staff-padding . 0.25)
1010 (meta . ((class . Spanner)
1011 (interfaces . (side-position-interface
1012 multi-measure-interface
1013 self-alignment-interface
1015 text-interface))))))
1020 (X-extent . ,ly:axis-group-interface::width)
1021 (Y-extent . ,ly:axis-group-interface::height)
1022 (positioning-done . ,ly:note-collision-interface::calc-positioning-done)
1023 (meta . ((class . Item)
1024 (interfaces . (note-collision-interface
1025 axis-group-interface))))))
1030 (X-extent . ,ly:axis-group-interface::width)
1031 (Y-extent . ,ly:axis-group-interface::height)
1032 (meta . ((class . Item)
1033 (interfaces . (axis-group-interface
1034 note-column-interface))))))
1038 (stencil . ,ly:note-head::print)
1039 (stem-attachment . ,ly:note-head::calc-stem-attachment)
1040 (glyph-name . ,note-head::calc-glyph-name)
1041 (Y-offset . ,ly:staff-symbol-referencer::callback)
1042 (X-offset . ,ly:note-head::stem-x-shift)
1043 (meta . ((class . Item)
1044 (interfaces . (rhythmic-grob-interface
1045 rhythmic-head-interface
1049 staff-symbol-referencer-interface))))))
1053 (stem-spacing-correction . 0.5)
1054 (same-direction-correction . 0.25)
1055 ;; Changed this from 0.75.
1056 ;; If you ever change this back, please document! --hwn
1057 (knee-spacing-correction . 1.0)
1058 (meta . ((class . Item)
1059 (interfaces . (spacing-interface
1060 note-spacing-interface))))))
1064 (stencil . ,ly:text-interface::print)
1065 (meta . ((class . Item)
1066 (interfaces . (note-name-interface
1068 font-interface))))))
1072 (self-alignment-X . 0)
1073 (break-visibility . ,begin-of-line-visible)
1074 (X-offset . ,(ly:make-simple-closure
1075 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self))
1076 ,(ly:make-simple-closure (list ly:self-alignment-interface::centered-on-x-parent)))))
1078 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1079 (stencil . ,ly:text-interface::print)
1081 ;; no Y dimensions, because of lyrics under tenor clef.
1082 (Y-extent . (0 . 0))
1083 (font-shape . italic)
1085 (staff-padding . 0.2)
1087 (meta . ((class . Item)
1088 (interfaces . (text-interface
1089 self-alignment-interface
1090 side-position-interface
1091 font-interface))))))
1095 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1096 (stencil . ,ly:ottava-bracket::print)
1097 (font-shape . italic)
1098 (shorten-pair . (0.0 . -0.6))
1099 (staff-padding . 1.0)
1101 (minimum-length . 1.0)
1102 (dash-fraction . 0.3)
1103 (edge-height . (0 . 1.2))
1105 (meta . ((class . Spanner)
1106 (interfaces . (ottava-bracket-interface
1107 horizontal-bracket-interface
1109 side-position-interface
1111 text-interface))))))
1116 (before-line-breaking . ,ly:paper-column::before-line-breaking)
1117 ;; (stencil . ,ly:paper-column::print)
1118 (X-extent . ,ly:axis-group-interface::width)
1121 ;; (font-size . -6) (font-name . "sans") (Y-extent . #f)
1122 (meta . ((class . Paper_column)
1123 (interfaces . (paper-column-interface
1124 axis-group-interface
1125 spaceable-grob-interface))))))
1128 . ((stencil . ,parentheses-item::print)
1131 (meta . ((class . Item)
1132 (interfaces . (parentheses-interface font-interface))))
1136 . ((details . ,default-slur-details)
1137 (control-points . ,ly:slur::calc-control-points)
1138 (direction . ,ly:slur::calc-direction)
1139 (springs-and-rods . ,ly:spanner::set-spacing-rods)
1140 (Y-extent . ,ly:slur::height)
1141 (stencil . ,ly:slur::print)
1143 (minimum-length . 1.5)
1144 (height-limit . 2.0)
1146 (meta . ((class . Spanner)
1147 (interfaces . (slur-interface))))))
1149 (NonMusicalPaperColumn
1152 (before-line-breaking . ,ly:paper-column::before-line-breaking)
1153 (X-extent . ,ly:axis-group-interface::width)
1154 ;; (stencil . ,ly:paper-column::print)
1157 (line-break-permission . allow)
1158 (page-break-permission . allow)
1160 ;; debugging stuff: print column number.
1161 ;; (font-size . -6) (font-name . "sans") (Y-extent . #f)
1163 (meta . ((class . Paper_column)
1164 (interfaces . (paper-column-interface
1165 axis-group-interface
1166 spaceable-grob-interface))))))
1170 (springs-and-rods . ,ly:multi-measure-rest::set-spacing-rods)
1171 (stencil . ,ly:multi-measure-rest::percent)
1174 (font-encoding . fetaMusic)
1175 (meta . ((class . Spanner)
1176 (interfaces . (multi-measure-rest-interface
1178 percent-repeat-interface))))))
1179 (PercentRepeatCounter
1181 (stencil . ,ly:text-interface::print)
1182 (X-offset . ,(ly:make-simple-closure
1183 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-centered-on-y-parent))
1184 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self)))))
1185 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1186 (self-alignment-X . 0)
1189 (staff-padding . 0.25)
1191 (font-encoding . fetaNumber)
1192 (meta . ((class . Spanner)
1193 (interfaces . (side-position-interface
1194 self-alignment-interface
1195 percent-repeat-interface
1197 text-interface))))))
1199 ;; an example of a text spanner
1202 (stencil . ,ly:piano-pedal-bracket::print)
1204 (bound-padding . 1.0)
1206 (bracket-flare . (0.5 . 0.5))
1207 (edge-height . (1.0 . 1.0))
1208 (shorten-pair . (0.0 . 0.0))
1210 (meta . ((class . Spanner)
1211 (interfaces . (line-interface
1212 piano-pedal-interface
1213 piano-pedal-bracket-interface))))))
1217 (stencil . ,ly:text-interface::print)
1218 (X-offset . ,(ly:make-simple-closure
1220 ,(ly:make-simple-closure
1221 (list ly:break-alignment-align-interface::self-align-callback))
1222 ,(ly:make-simple-closure
1223 (list ly:self-alignment-interface::x-aligned-on-self)))))
1225 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1226 (self-alignment-X . 0)
1231 (break-visibility . ,end-of-line-invisible)
1232 (break-align-symbol . staff-bar)
1234 (meta . ((class . Item)
1235 (interfaces . (text-interface
1236 side-position-interface
1237 break-alignment-align-interface
1240 self-alignment-interface))))))
1245 (stencil . ,ly:percent-repeat-item-interface::beat-slash)
1248 (meta . ((class . Item)
1249 (interfaces . (percent-repeat-interface))))))
1252 (stencil . ,ly:tie::print)
1253 (control-points . ,ly:semi-tie::calc-control-points)
1254 (direction . ,ly:semi-tie::calc-direction)
1255 (details . ((ratio . 0.333)
1256 (height-limit . 1.0)))
1258 (meta . ((class . Item)
1259 (interfaces . (semi-tie-interface))
1267 (head-direction . ,RIGHT)
1268 (positioning-done . ,ly:semi-tie-column::calc-positioning-done)
1269 (meta . ((class . Item)
1270 (interfaces . (semi-tie-column-interface))
1276 (stencil . ,ly:rest::print)
1277 (X-extent . ,ly:rest::width)
1278 (Y-extent . ,ly:rest::height)
1279 (Y-offset . ,ly:rest::y-offset-callback)
1280 (minimum-distance . 0.25)
1281 (meta . ((class . Item)
1282 (interfaces . (font-interface
1283 rhythmic-head-interface
1284 rhythmic-grob-interface
1285 staff-symbol-referencer-interface
1286 rest-interface))))))
1290 (minimum-distance . 0.75)
1291 (positioning-done . ,ly:rest-collision::calc-positioning-done)
1292 (meta . ((class . Item)
1293 (interfaces . (rest-collision-interface))))))
1297 ;; don't set direction here: it breaks staccato.
1299 ;; padding set in script definitions.
1300 (staff-padding . 0.25)
1301 ;; (script-priority . 0) priorities for scripts, see script.scm
1302 (X-offset . , ly:self-alignment-interface::centered-on-x-parent)
1304 (stencil . ,ly:script-interface::print)
1305 (direction . ,ly:script-interface::calc-direction)
1306 (font-encoding . fetaMusic)
1307 (meta . ((class . Item)
1308 (interfaces . (script-interface
1309 side-position-interface
1310 font-interface))))))
1314 (before-line-breaking . ,ly:script-column::before-line-breaking)
1315 (meta . ((class . Item)
1316 (interfaces . (script-column-interface))))))
1322 (meta . ((class . Item)
1323 (interfaces . (spacing-interface
1324 separation-item-interface))))))
1326 (SeparatingGroupSpanner
1328 (springs-and-rods . ,ly:separating-group-spanner::set-spacing-rods)
1329 (meta . ((class . Spanner)
1330 (interfaces . (only-prebreak-interface
1332 separation-spanner-interface))))))
1335 . ((details . ,default-slur-details)
1336 (control-points . ,ly:slur::calc-control-points)
1337 (direction . ,ly:slur::calc-direction)
1338 (springs-and-rods . ,ly:spanner::set-spacing-rods)
1339 (Y-extent . ,ly:slur::height)
1340 (stencil . ,ly:slur::print)
1342 (line-thickness . 0.8)
1343 (minimum-length . 1.5)
1344 (height-limit . 2.0)
1346 (avoid-slur . inside)
1347 (meta . ((class . Spanner)
1348 (interfaces . (slur-interface))))))
1352 (stencil . ,ly:text-interface::print)
1353 (direction . ,RIGHT)
1354 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1355 (no-spacing-rods . #t)
1356 (padding . 0.0) ;; padding relative to SostenutoPedalLineSpanner
1357 (font-shape . italic)
1358 (self-alignment-X . 0)
1359 (meta . ((class . Item)
1360 (interfaces . (text-interface
1361 self-alignment-interface
1362 font-interface))))))
1364 (SostenutoPedalLineSpanner
1367 (Y-extent . ,ly:axis-group-interface::height)
1368 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1370 (staff-padding . 1.0)
1372 (minimum-space . 1.0)
1374 (meta . ((class . Spanner)
1375 (interfaces . (piano-pedal-interface
1376 axis-group-interface
1377 side-position-interface))))))
1380 (springs-and-rods . ,ly:spacing-spanner::set-springs)
1381 (common-shortest-duration . ,ly:spacing-spanner::calc-common-shortest-duration)
1382 (average-spacing-wishes . #t)
1383 (shortest-duration-space . 2.0)
1384 (spacing-increment . 1.2)
1386 (base-shortest-duration . ,(ly:make-moment 3 16))
1387 (meta . ((class . Spanner)
1388 (interfaces . (spacing-interface
1389 spacing-options-interface
1390 spacing-spanner-interface))))))
1394 (break-align-symbol . staff-bar)
1398 (stencil . ,ly:span-bar::print)
1399 (bar-size . ,ly:span-bar::calc-bar-size)
1400 (X-extent . ,ly:span-bar::width)
1401 (glyph-name . ,ly:span-bar::calc-glyph-name)
1402 (before-line-breaking . ,ly:span-bar::before-line-breaking)
1407 ;; Ross. page 151 lists other values, we opt for a leaner look
1411 (hair-thickness . 1.6)
1412 (thick-thickness . 6.0)
1413 (meta . ((class . Item)
1414 (interfaces . (span-bar-interface
1416 bar-line-interface))))))
1420 (stencil . ,ly:text-interface::print)
1421 (font-series . bold)
1423 (X-offset . ,ly:side-position-interface::x-aligned-side)
1426 (meta . ((class . Item)
1427 (interfaces . (side-position-interface
1428 stanza-number-interface
1430 font-interface))))))
1436 (stem-spacing-correction . 0.4)
1437 (meta . ((class . Item)
1438 (interfaces . (spacing-interface
1439 staff-spacing-interface))))))
1444 (Y-extent . ,ly:staff-symbol::height)
1445 (stencil . ,ly:staff-symbol::print)
1447 (ledger-line-thickness . (1.0 . 0.1))
1449 (meta . ((class . Spanner)
1450 (interfaces . (staff-symbol-interface))))))
1454 (direction . ,ly:stem::calc-direction)
1455 (default-direction . ,ly:stem::calc-default-direction)
1456 (stem-end-position . ,ly:stem::calc-stem-end-position)
1457 (neutral-direction . ,DOWN)
1458 (stem-info . ,ly:stem::calc-stem-info)
1459 (positioning-done . ,ly:stem::calc-positioning-done)
1460 (stencil . ,ly:stem::print)
1461 (X-extent . ,ly:stem::width)
1462 (Y-extent . ,ly:stem::height)
1463 (length . ,ly:stem::calc-length)
1467 ;; 3.5 (or 3 measured from note head) is standard length
1468 ;; 32nd, 64th flagged stems should be longer
1469 (lengths . (3.5 3.5 3.5 4.5 5.0))
1471 ;; FIXME. 3.5 yields too long beams (according to Ross and
1472 ;; looking at Baerenreiter examples) for a number of common
1473 ;; boundary cases. Subtracting half a beam thickness fixes
1474 ;; this, but the bug may well be somewhere else.
1476 ;; FIXME this should come from 'lengths
1477 (beamed-lengths . (3.26 3.5 3.6))
1479 ;; The 'normal' minima
1480 (beamed-minimum-free-lengths . (1.83 1.5 1.25))
1481 ;(beamed-minimum-free-lengths . (2.0 1.83 1.25))
1483 ;; The 'extreme case' minima
1484 (beamed-extreme-minimum-free-lengths . (2.0 1.25))
1486 ;; Stems in unnatural (forced) direction should be shortened by
1487 ;; one staff space, according to [Roush & Gourlay].
1488 ;; Flagged stems we shorten only half a staff space.
1489 (stem-shorten . (1.0 0.5))
1493 ;; We use the normal minima as minimum for the ideal lengths,
1494 ;; and the extreme minima as abolute minimum length.
1496 (X-offset . ,ly:stem::offset-callback)
1497 (Y-offset . ,ly:staff-symbol-referencer::callback)
1498 (meta . ((class . Item)
1499 (interfaces . (stem-interface
1500 font-interface))))))
1504 (Y-extent . ,ly:stem-tremolo::height)
1505 (stencil . ,ly:stem-tremolo::print)
1507 (slope . ,ly:stem-tremolo::calc-slope)
1508 (beam-width . ,ly:stem-tremolo::calc-width) ; staff-space
1509 (style . ,ly:stem-tremolo::calc-style)
1510 (beam-thickness . 0.48) ; staff-space
1511 (meta . ((class . Item)
1512 (interfaces . (stem-tremolo-interface))))))
1516 (stencil . ,print-circled-text-callback)
1518 (staff-padding . 0.5)
1519 (self-alignment-X . 0)
1520 (self-alignment-Y . 0)
1521 (script-priority . 100)
1522 (font-encoding . fetaNumber)
1523 (font-size . -5) ; don't overlap when next to heads.
1524 (meta . ((class . Item)
1525 (interfaces . (string-number-interface
1527 text-script-interface
1529 side-position-interface
1530 self-alignment-interface
1531 item-interface))))))
1535 (no-spacing-rods . #t)
1536 (stencil . ,ly:sustain-pedal::print)
1537 (self-alignment-X . 0)
1538 (direction . ,RIGHT)
1539 (padding . 0.0) ;; padding relative to SustainPedalLineSpanner
1540 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1541 (meta . ((class . Item)
1542 (interfaces . (piano-pedal-interface
1543 text-spanner-interface
1544 line-spanner-interface
1546 self-alignment-interface
1547 font-interface))))))
1549 (SustainPedalLineSpanner
1552 (Y-extent . ,ly:axis-group-interface::height)
1553 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1556 (staff-padding . 1.2)
1557 (minimum-space . 1.0)
1559 (meta . ((class . Spanner)
1560 (interfaces . (piano-pedal-interface
1561 axis-group-interface
1562 side-position-interface))))))
1567 (X-extent . ,ly:axis-group-interface::width)
1568 (Y-extent . ,ly:axis-group-interface::height)
1569 (meta . ((class . System)
1570 (interfaces . (system-interface
1571 axis-group-interface))))))
1577 (stencil . ,ly:system-start-delimiter::print)
1578 (collapse-height . 5.0)
1579 (X-offset . ,ly:side-position-interface::x-aligned-side)
1581 (font-encoding . fetaBraces)
1583 (meta . ((class . Spanner)
1584 (interfaces . (system-start-delimiter-interface
1585 side-position-interface
1586 font-interface))))))
1592 (X-offset . ,ly:side-position-interface::x-aligned-side)
1594 (stencil . ,ly:system-start-delimiter::print)
1595 (style . line-bracket)
1597 (meta . ((class . Spanner)
1598 (interfaces . (font-interface
1599 side-position-interface
1600 system-start-delimiter-interface))))))
1605 (X-offset . ,ly:side-position-interface::x-aligned-side)
1607 (stencil . ,ly:system-start-delimiter::print)
1609 (collapse-height . 5.0)
1611 (meta . ((class . Spanner)
1612 (interfaces . (font-interface
1613 side-position-interface
1614 system-start-delimiter-interface))))))
1621 (padding . -0.1) ;; bar must cover rounded ending of staff line.
1622 (X-offset . ,ly:side-position-interface::x-aligned-side)
1626 (stencil . ,ly:system-start-delimiter::print)
1627 (meta . ((class . Spanner)
1628 (interfaces . (side-position-interface
1629 system-start-delimiter-interface))))))
1634 (stencil . ,ly:text-interface::print)
1635 (Y-offset . ,ly:staff-symbol-referencer::callback)
1637 (stem-attachment . (0.0 . 1.35))
1638 (font-series . bold)
1639 (meta . ((class . Item)
1641 . (rhythmic-head-interface
1642 font-interface rhythmic-grob-interface
1644 staff-symbol-referencer-interface
1645 text-interface))))))
1649 (no-spacing-rods . #t)
1650 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1653 ;; sync with Fingering ?
1655 (staff-padding . 0.5)
1657 (stencil . ,ly:text-interface::print)
1658 (direction . ,ly:script-interface::calc-direction)
1660 (avoid-slur . around)
1661 (slur-padding . 0.5)
1662 (script-priority . 200)
1663 ;; todo: add X self alignment?
1664 (meta . ((class . Item)
1665 (interfaces . (text-script-interface
1667 side-position-interface
1668 font-interface))))))
1672 (stencil . ,ly:text-spanner::print)
1673 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1674 (font-shape . italic)
1675 (style . dashed-line)
1676 (staff-padding . 0.8)
1677 (dash-fraction . 0.2)
1681 (meta . ((class . Spanner)
1682 (interfaces . (text-spanner-interface
1683 line-spanner-interface
1684 side-position-interface
1685 font-interface))))))
1689 (control-points . ,ly:tie::calc-control-points)
1690 (springs-and-rods . ,ly:spanner::set-spacing-rods)
1691 (avoid-slur . inside)
1692 (direction . ,ly:tie::calc-direction)
1693 (stencil . ,ly:tie::print)
1696 ;; for a full list, see tie-helper.cc
1698 (center-staff-line-clearance . 0.6)
1699 (tip-staff-line-clearance . 0.45)
1700 (note-head-gap . 0.2)
1702 (height-limit . 1.0)
1703 (horizontal-distance-penalty-factor . 10)
1704 (min-length-penalty-factor . 20)
1705 (tie-tie-collision-distance . 0.45)
1706 (tie-tie-collision-penalty . 25.0)
1707 (intra-space-threshold . 1.25)
1708 (outer-tie-vertical-distance-symmetry-penalty-factor . 10)
1709 (outer-tie-length-symmetry-penalty-factor . 10)
1710 (outer-tie-vertical-gap . 0.25)
1711 (multi-tie-region-size . 1)
1712 (between-length-limit . 1.0)))
1715 (line-thickness . 0.8)
1716 (meta . ((class . Spanner)
1717 (interfaces . (tie-interface))))
1722 (positioning-done . ,ly:tie-column::calc-positioning-done)
1723 (before-line-breaking . ,ly:tie-column::before-line-breaking)
1726 (meta . ((class . Spanner)
1727 (interfaces . (tie-column-interface))))))
1731 (stencil . ,ly:time-signature::print)
1732 (break-align-symbol . time-signature)
1733 (break-visibility . ,all-visible)
1735 (first-note . (fixed-space . 2.0))
1736 (right-edge . (extra-space . 0.5))
1737 (staff-bar . (minimum-space . 2.0))))
1740 (meta . ((class . Item)
1741 (interfaces . (time-signature-interface
1742 break-aligned-interface
1743 font-interface))))))
1747 (stencil . ,ly:dynamic-text-spanner::print)
1748 (edge-text . ,(cons (make-musicglyph-markup "scripts.trill")
1751 (staff-padding . 1.0)
1754 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1756 (meta . ((class . Spanner)
1757 (interfaces . (text-spanner-interface
1758 line-spanner-interface
1759 side-position-interface
1760 font-interface))))))
1762 (TrillPitchAccidental
1763 . ((X-offset . ,ly:side-position-interface::x-aligned-side)
1768 (stencil . ,ly:accidental-interface::print)
1769 (meta . ((class . Item)
1770 (interfaces . (item-interface
1771 side-position-interface
1772 font-interface))))))
1775 . ((X-offset . ,ly:side-position-interface::x-aligned-side)
1778 (stencil . ,parenthesize-elements)
1779 (direction . ,RIGHT)
1782 (meta . ((class . Item)
1783 (interfaces . (side-position-interface
1785 rhythmic-head-interface
1787 accidental-interface
1788 axis-group-interface))))))
1792 (stencil . ,ly:note-head::print)
1794 (Y-offset . ,ly:staff-symbol-referencer::callback)
1796 (meta . ((class . Item)
1797 (interfaces . (item-interface
1798 rhythmic-head-interface
1800 pitched-trill-interface
1802 staff-symbol-referencer-interface))))))
1808 (edge-height . (0.7 . 0.7))
1809 (shorten-pair . (-0.2 . -0.2))
1810 (staff-padding . 0.25)
1811 (direction . ,ly:tuplet-bracket::calc-direction)
1812 (positions . ,ly:tuplet-bracket::calc-positions)
1813 (connect-to-neighbor . ,ly:tuplet-bracket::calc-connect-to-neighbors)
1814 (control-points . ,ly:tuplet-bracket::calc-control-points)
1815 (stencil . ,ly:tuplet-bracket::print)
1817 (meta . ((class . Spanner)
1818 (interfaces . (line-interface
1819 tuplet-bracket-interface))))))
1823 (stencil . ,ly:tuplet-number::print)
1824 (text . ,tuplet-number::calc-denominator-text)
1825 (font-shape . italic)
1827 (avoid-slur . inside)
1828 (meta . ((class . Spanner)
1829 (interfaces . (text-interface tuplet-number-interface
1830 font-interface))))))
1834 (stencil . ,ly:text-interface::print)
1835 (font-shape . italic)
1836 (no-spacing-rods . #t)
1837 (self-alignment-X . 0)
1838 (direction . ,RIGHT)
1839 (padding . 0.0) ;; padding relative to UnaCordaPedalLineSpanner
1840 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1841 (meta . ((class . Item)
1842 (interfaces . (text-interface
1843 self-alignment-interface
1844 font-interface))))))
1846 (UnaCordaPedalLineSpanner
1849 (Y-extent . ,ly:axis-group-interface::height)
1850 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1853 (staff-padding . 1.2)
1854 (minimum-space . 1.0)
1856 (meta . ((class . Spanner)
1857 (interfaces . (piano-pedal-interface
1858 axis-group-interface
1859 side-position-interface))))))
1865 (stencil . ,ly:vaticana-ligature::print)
1866 (meta . ((class . Spanner)
1867 (interfaces . (vaticana-ligature-interface
1868 font-interface))))))
1873 (positioning-done . ,ly:align-interface::calc-positioning-done)
1874 (after-line-breaking . ,ly:align-interface::stretch-after-break)
1875 (Y-extent . ,ly:axis-group-interface::height)
1876 (X-extent . ,ly:axis-group-interface::width)
1878 (meta . ((class . Spanner)
1879 (interfaces . (align-interface
1880 axis-group-interface))))))
1884 (Y-offset . ,ly:hara-kiri-group-spanner::force-hara-kiri-callback)
1886 (Y-extent . ,ly:hara-kiri-group-spanner::y-extent)
1887 (X-extent . ,ly:axis-group-interface::width)
1888 (meta . ((class . Spanner)
1889 (interfaces . (axis-group-interface
1890 hara-kiri-group-interface
1891 vertically-spaceable-interface))))))
1896 (stencil . ,ly:volta-bracket-interface::print)
1899 (font-encoding . fetaNumber)
1900 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1902 (thickness . 1.6) ;; line-thickness
1903 (edge-height . (2.0 . 2.0)) ;; staff-space;
1906 (meta . ((class . Spanner)
1907 (interfaces . (volta-bracket-interface
1908 horizontal-bracket-interface
1911 side-position-interface
1923 (stencil . ,ly:line-spanner::print)
1924 (after-line-breaking . ,ly:line-spanner::after-line-breaking)
1925 (meta . ((class . Spanner)
1926 (interfaces . (line-spanner-interface
1932 (define (completize-grob-entry x)
1933 "Transplant assoc key into 'name entry of 'meta of X. Set interfaces for Item, Spanner etc.
1935 ;; (display (car x))
1937 (let* ((name-sym (car x))
1938 (grob-entry (cdr x))
1939 (meta-entry (cdr (assoc 'meta grob-entry)))
1940 (class (cdr (assoc 'class meta-entry)))
1942 (cdr (assoc 'interfaces meta-entry))))
1946 (set! ifaces-entry (cons 'item-interface ifaces-entry)))
1947 ((eq? 'Spanner class)
1948 (set! ifaces-entry (cons 'spanner-interface ifaces-entry)))
1949 ((eq? 'Paper_column class)
1950 (set! ifaces-entry (cons 'item-interface
1951 (cons 'paper-column-interface ifaces-entry))))
1952 ((eq? 'System class)
1953 (set! ifaces-entry (cons 'system-interface
1954 (cons 'spanner-interface ifaces-entry))))
1956 (ly:warning "Unknown class ~a" class)))
1957 (set! ifaces-entry (cons 'grob-interface ifaces-entry))
1959 (set! meta-entry (assoc-set! meta-entry 'name name-sym))
1960 (set! meta-entry (assoc-set! meta-entry 'interfaces
1962 (set! grob-entry (assoc-set! grob-entry 'meta meta-entry))
1963 (cons name-sym grob-entry)))
1965 (set! all-grob-descriptions (map completize-grob-entry all-grob-descriptions))
1967 ;; (display (map pair? all-grob-descriptions))
1969 ;; make sure that \property Foo.Bar =\turnOff doesn't complain
1972 ;; (display (car x)) (newline)
1974 (set-object-property! (car x) 'translation-type? list?)
1975 (set-object-property! (car x) 'is-grob? #t))
1976 all-grob-descriptions)
1978 (set! all-grob-descriptions (sort all-grob-descriptions alist<?))
1981 (define pure-print-callbacks
1983 `(,ly:note-head::print . '())
1984 `(,ly:clef::print . '())
1985 `(,ly:text-interface::print . '())
1986 `(,ly:script-interface::print . '())))
1988 ;; ly:grob::stencil-extent is safe iff the print callback is safe too
1989 (define (pure-stencil-height grob start stop)
1990 (let ((sten (ly:grob-property-data grob 'stencil)))
1993 (pair? (assq sten pure-print-callbacks)))
1994 (ly:grob::stencil-height grob)
1997 (define pure-Y-extents
1999 `(,ly:staff-symbol::height . ())))
2001 (define Y-extent-conversions
2003 `(,ly:stem::height . ,ly:stem::pure-height)
2004 `(,ly:grob::stencil-height . ,pure-stencil-height)
2005 `(,ly:side-position-interface::y-aligned-side . ,ly:side-position-interface::pure-y-aligned-side)
2006 `(,ly:axis-group-interface::height . ,ly:axis-group-interface::pure-height)
2007 `(,ly:hara-kiri-group-spanner::y-extent . ,ly:hara-kiri-group-spanner::pure-height)
2008 `(,ly:slur::height . ,ly:slur::pure-height)))
2010 (define pure-Y-offsets
2012 `(,ly:staff-symbol-referencer::callback . ())))
2014 (define Y-offset-conversions
2016 `(,ly:side-position-interface::y-aligned-side . ,ly:side-position-interface::pure-y-aligned-side)))
2018 (define-public (pure-relevant grob)
2019 (let ((extent-callback (ly:grob-property-data grob 'Y-extent)))
2021 (pair? extent-callback)
2022 (pair? (assq extent-callback pure-Y-extents))
2024 (pair? (assq extent-callback Y-extent-conversions))
2026 (not (eq? extent-callback ly:grob::stencil-height))
2027 (pair? (assq (ly:grob-property-data grob 'stencil) pure-print-callbacks))
2028 (ly:stencil? (ly:grob-property-data grob 'stencil)))))))
2030 (define (pure-conversion pures conversions defsymbol defreturn rettype? grob start stop)
2031 (let* ((normal-callback (ly:grob-property-data grob defsymbol))
2032 (pure-callback (assq normal-callback conversions)))
2033 (if (rettype? normal-callback)
2035 (if (pair? (assq normal-callback pures))
2036 (normal-callback grob)
2037 (if (pair? pure-callback)
2038 ((cdr pure-callback) grob start stop)
2041 (define-public (pure-Y-extent grob start stop)
2042 (pure-conversion pure-Y-extents Y-extent-conversions
2043 'Y-extent '(0 . 0) pair? grob start stop))
2045 (define-public (pure-Y-offset grob start stop)
2046 (pure-conversion pure-Y-offsets Y-offset-conversions
2047 'Y-offset 0 number? grob start stop))