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
736 (stencil . ,ly:key-signature-interface::print)
738 (time-signature . (extra-space . 1.25))
739 (staff-bar . (extra-space . 0.6))
740 (key-signature . (extra-space . 0.5))
741 (right-edge . (extra-space . 0.5))
742 (first-note . (fixed-space . 2.5))))
743 (Y-offset . ,ly:staff-symbol-referencer::callback)
744 (break-align-symbol . key-cancellation)
745 (break-visibility . ,begin-of-line-invisible)
747 (meta . ((class . Item)
748 (interfaces . (key-signature-interface
750 break-aligned-interface))))))
753 (stencil . ,ly:key-signature-interface::print)
755 (time-signature . (extra-space . 1.15))
756 (staff-bar . (extra-space . 1.1))
757 (right-edge . (extra-space . 0.5))
758 (first-note . (fixed-space . 2.5))))
759 (Y-offset . ,ly:staff-symbol-referencer::callback)
760 (break-align-symbol . key-signature)
761 (break-visibility . ,begin-of-line-visible)
763 (meta . ((class . Item)
764 (interfaces . (key-signature-interface
766 break-aligned-interface))))))
771 (stencil . ,ly:tie::print)
772 (control-points . ,ly:semi-tie::calc-control-points)
773 (direction . ,ly:semi-tie::calc-direction)
774 (details . ((ratio . 0.333)
775 (height-limit . 1.0)))
777 (meta . ((class . Item)
778 (interfaces . (semi-tie-interface))
782 (LaissezVibrerTieColumn
786 (head-direction . ,LEFT)
787 (positioning-done . ,ly:semi-tie-column::calc-positioning-done)
788 (meta . ((class . Item)
789 (interfaces . (semi-tie-column-interface))
795 (springs-and-rods . ,ly:ledger-line-spanner::set-spacing-rods)
796 (stencil . ,ly:ledger-line-spanner::print)
799 (minimum-length-fraction . 0.25)
800 (length-fraction . 0.25)
802 (meta . ((class . Spanner)
803 (interfaces . (ledger-line-interface))))))
807 (break-align-symbol . left-edge)
810 (break-visibility . ,center-invisible)
812 (custos . (extra-space . 0.0))
813 (ambitus . (extra-space . 2.0))
814 (time-signature . (extra-space . 1.0))
815 (staff-bar . (extra-space . 0.0))
816 (breathing-sign . (minimum-space . 0.0))
817 (clef . (extra-space . 0.8))
818 (first-note . (fixed-space . 2.0))
819 (right-edge . (extra-space . 0.0))
820 (key-signature . (extra-space . 0.0))
821 (key-cancellation . (extra-space . 0.0))
823 (meta . ((class . Item)
824 (interfaces . (break-aligned-interface))))))
828 ;; ugh. A ligature bracket is totally different from
833 (edge-height . (0.7 . 0.7))
834 (shorten-pair . (-0.2 . -0.2))
836 (positions . ,ly:tuplet-bracket::calc-positions)
837 (stencil . ,ly:tuplet-bracket::print)
838 (staff-padding . 0.25)
839 (connect-to-neighbor . ,ly:tuplet-bracket::calc-connect-to-neighbors)
840 (control-points . ,ly:tuplet-bracket::calc-control-points)
841 (meta . ((class . Spanner)
842 (interfaces . (line-interface
843 tuplet-bracket-interface))))))
848 (stencil . ,ly:lyric-extender::print)
849 (thickness . 0.8) ; line-thickness
850 (minimum-length . 1.5)
852 (meta . ((class . Spanner)
853 (interfaces . (lyric-interface
854 lyric-extender-interface))))))
862 (minimum-length . 0.3)
863 (minimum-distance . 0.1)
865 (springs-and-rods . ,ly:hyphen-spanner::set-spacing-rods)
866 (stencil . ,ly:hyphen-spanner::print)
868 (meta . ((class . Spanner)
869 (interfaces . (lyric-interface
871 lyric-hyphen-interface
872 spanner-interface))))))
875 . ((minimum-distance . 0.45)
876 (springs-and-rods . ,ly:hyphen-spanner::set-spacing-rods)
880 (meta . ((class . Spanner)
881 (interfaces . (spanner-interface
882 lyric-hyphen-interface spacing-interface))
887 (stencil . ,ly:text-interface::print)
888 (X-offset . ,ly:self-alignment-interface::aligned-on-x-parent)
889 (self-alignment-X . 0)
891 (font-series . bold-narrow)
893 (meta . ((class . Item)
894 (interfaces . (rhythmic-grob-interface
895 lyric-syllable-interface
896 self-alignment-interface
903 (Y-offset . ,ly:side-position-interface::y-aligned-side)
905 (stencil . ,ly:measure-grouping::print)
911 (meta . ((class . Spanner)
912 (interfaces . (side-position-interface
913 measure-grouping-interface))))))
917 (neutral-direction . ,DOWN)
918 (meta . ((class . Item)
919 (interfaces . (melody-spanner-interface spacing-interface))))))
924 (stencil . ,ly:mensural-ligature::print)
925 (meta . ((class . Spanner)
926 (interfaces . (mensural-ligature-interface
931 (stencil . ,ly:text-interface::print)
932 (Y-offset . ,ly:side-position-interface::y-aligned-side)
936 (meta . ((class . Item)
937 (interfaces . (text-interface
938 side-position-interface
940 metronome-mark-interface))))))
945 (stencil . ,ly:multi-measure-rest::print)
946 (springs-and-rods . ,ly:multi-measure-rest::set-spacing-rods)
947 (Y-offset . ,ly:staff-symbol-referencer::callback)
950 (thick-thickness . 6.6)
951 (hair-thickness . 2.0)
953 (meta . ((class . Spanner)
954 (interfaces . (multi-measure-rest-interface
955 multi-measure-interface
958 staff-symbol-referencer-interface))))))
961 (MultiMeasureRestNumber
963 (bound-padding . 2.0)
964 (springs-and-rods . ,ly:multi-measure-rest::set-text-rods)
965 (stencil . ,ly:text-interface::print)
966 (X-offset . ,(ly:make-simple-closure
967 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self))
968 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-centered-on-y-parent)))))
969 (Y-offset . ,ly:side-position-interface::y-aligned-side)
971 (self-alignment-X . 0)
974 (staff-padding . 0.4)
975 (font-encoding . fetaNumber)
976 (meta . ((class . Spanner)
977 (interfaces . (side-position-interface
978 multi-measure-interface
979 self-alignment-interface
984 (MultiMeasureRestText
986 (stencil . ,ly:text-interface::print)
987 (X-offset . ,(ly:make-simple-closure
988 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-centered-on-y-parent))
989 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self)))))
991 (Y-offset . ,ly:side-position-interface::y-aligned-side)
992 (self-alignment-X . 0)
995 (staff-padding . 0.25)
996 (meta . ((class . Spanner)
997 (interfaces . (side-position-interface
998 multi-measure-interface
999 self-alignment-interface
1001 text-interface))))))
1006 (X-extent . ,ly:axis-group-interface::width)
1007 (Y-extent . ,ly:axis-group-interface::height)
1008 (positioning-done . ,ly:note-collision-interface::calc-positioning-done)
1009 (meta . ((class . Item)
1010 (interfaces . (note-collision-interface
1011 axis-group-interface))))))
1016 (X-extent . ,ly:axis-group-interface::width)
1017 (Y-extent . ,ly:axis-group-interface::height)
1018 (meta . ((class . Item)
1019 (interfaces . (axis-group-interface
1020 note-column-interface))))))
1024 (stencil . ,ly:note-head::print)
1025 (stem-attachment . ,ly:note-head::calc-stem-attachment)
1026 (glyph-name . ,note-head::calc-glyph-name)
1027 (Y-offset . ,ly:staff-symbol-referencer::callback)
1028 (X-offset . ,ly:note-head::stem-x-shift)
1029 (meta . ((class . Item)
1030 (interfaces . (rhythmic-grob-interface
1031 rhythmic-head-interface
1035 staff-symbol-referencer-interface))))))
1039 (stem-spacing-correction . 0.5)
1040 (same-direction-correction . 0.25)
1041 ;; Changed this from 0.75.
1042 ;; If you ever change this back, please document! --hwn
1043 (knee-spacing-correction . 1.0)
1044 (meta . ((class . Item)
1045 (interfaces . (spacing-interface
1046 note-spacing-interface))))))
1050 (stencil . ,ly:text-interface::print)
1051 (meta . ((class . Item)
1052 (interfaces . (note-name-interface
1054 font-interface))))))
1058 (self-alignment-X . 0)
1059 (break-visibility . ,begin-of-line-visible)
1060 (X-offset . ,(ly:make-simple-closure
1061 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self))
1062 ,(ly:make-simple-closure (list ly:self-alignment-interface::centered-on-x-parent)))))
1064 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1065 (stencil . ,ly:text-interface::print)
1067 ;; no Y dimensions, because of lyrics under tenor clef.
1068 (Y-extent . (0 . 0))
1069 (font-shape . italic)
1071 (staff-padding . 0.2)
1073 (meta . ((class . Item)
1074 (interfaces . (text-interface
1075 self-alignment-interface
1076 side-position-interface
1077 font-interface))))))
1081 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1082 (stencil . ,ly:ottava-bracket::print)
1083 (font-shape . italic)
1084 (shorten-pair . (0.0 . -0.6))
1085 (staff-padding . 1.0)
1087 (minimum-length . 1.0)
1088 (dash-fraction . 0.3)
1089 (edge-height . (0 . 1.2))
1091 (meta . ((class . Spanner)
1092 (interfaces . (ottava-bracket-interface
1093 horizontal-bracket-interface
1095 side-position-interface
1097 text-interface))))))
1102 (before-line-breaking . ,ly:paper-column::before-line-breaking)
1103 ;; (stencil . ,ly:paper-column::print)
1104 (X-extent . ,ly:axis-group-interface::width)
1107 ;; (font-size . -6) (font-name . "sans") (Y-extent . #f)
1108 (meta . ((class . Paper_column)
1109 (interfaces . (paper-column-interface
1110 axis-group-interface
1111 spaceable-grob-interface))))))
1114 . ((stencil . ,parentheses-item::print)
1117 (meta . ((class . Item)
1118 (interfaces . (parentheses-interface font-interface))))
1122 . ((details . ,default-slur-details)
1123 (control-points . ,ly:slur::calc-control-points)
1124 (direction . ,ly:slur::calc-direction)
1125 (springs-and-rods . ,ly:spanner::set-spacing-rods)
1126 (Y-extent . ,ly:slur::height)
1127 (stencil . ,ly:slur::print)
1129 (minimum-length . 1.5)
1130 (height-limit . 2.0)
1132 (meta . ((class . Spanner)
1133 (interfaces . (slur-interface))))))
1135 (NonMusicalPaperColumn
1138 (before-line-breaking . ,ly:paper-column::before-line-breaking)
1139 (X-extent . ,ly:axis-group-interface::width)
1140 ;; (stencil . ,ly:paper-column::print)
1143 (line-break-permission . allow)
1144 (page-break-permission . allow)
1146 ;; debugging stuff: print column number.
1147 ;; (font-size . -6) (font-name . "sans") (Y-extent . #f)
1149 (meta . ((class . Paper_column)
1150 (interfaces . (paper-column-interface
1151 axis-group-interface
1152 spaceable-grob-interface))))))
1156 (springs-and-rods . ,ly:multi-measure-rest::set-spacing-rods)
1157 (stencil . ,ly:multi-measure-rest::percent)
1160 (font-encoding . fetaMusic)
1161 (meta . ((class . Spanner)
1162 (interfaces . (multi-measure-rest-interface
1164 percent-repeat-interface))))))
1165 (PercentRepeatCounter
1167 (stencil . ,ly:text-interface::print)
1168 (X-offset . ,(ly:make-simple-closure
1169 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-centered-on-y-parent))
1170 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self)))))
1171 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1172 (self-alignment-X . 0)
1175 (staff-padding . 0.25)
1177 (font-encoding . fetaNumber)
1178 (meta . ((class . Spanner)
1179 (interfaces . (side-position-interface
1180 self-alignment-interface
1181 percent-repeat-interface
1183 text-interface))))))
1185 ;; an example of a text spanner
1188 (stencil . ,ly:piano-pedal-bracket::print)
1190 (bound-padding . 1.0)
1192 (bracket-flare . (0.5 . 0.5))
1193 (edge-height . (1.0 . 1.0))
1194 (shorten-pair . (0.0 . 0.0))
1196 (meta . ((class . Spanner)
1197 (interfaces . (line-interface
1198 piano-pedal-interface
1199 piano-pedal-bracket-interface))))))
1203 (stencil . ,ly:text-interface::print)
1204 (X-offset . ,(ly:make-simple-closure
1206 ,(ly:make-simple-closure
1207 (list ly:break-alignment-align-interface::self-align-callback))
1208 ,(ly:make-simple-closure
1209 (list ly:self-alignment-interface::x-aligned-on-self)))))
1211 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1212 (self-alignment-X . 0)
1217 (break-visibility . ,end-of-line-invisible)
1218 (break-align-symbol . staff-bar)
1220 (meta . ((class . Item)
1221 (interfaces . (text-interface
1222 side-position-interface
1223 break-alignment-align-interface
1226 self-alignment-interface))))))
1231 (stencil . ,ly:percent-repeat-item-interface::beat-slash)
1234 (meta . ((class . Item)
1235 (interfaces . (percent-repeat-interface))))))
1238 (stencil . ,ly:tie::print)
1239 (control-points . ,ly:semi-tie::calc-control-points)
1240 (direction . ,ly:semi-tie::calc-direction)
1241 (details . ((ratio . 0.333)
1242 (height-limit . 1.0)))
1244 (meta . ((class . Item)
1245 (interfaces . (semi-tie-interface))
1253 (head-direction . ,RIGHT)
1254 (positioning-done . ,ly:semi-tie-column::calc-positioning-done)
1255 (meta . ((class . Item)
1256 (interfaces . (semi-tie-column-interface))
1262 (stencil . ,ly:rest::print)
1263 (X-extent . ,ly:rest::width)
1264 (Y-extent . ,ly:rest::height)
1265 (Y-offset . ,ly:rest::y-offset-callback)
1266 (minimum-distance . 0.25)
1267 (meta . ((class . Item)
1268 (interfaces . (font-interface
1269 rhythmic-head-interface
1270 rhythmic-grob-interface
1271 staff-symbol-referencer-interface
1272 rest-interface))))))
1276 (minimum-distance . 0.75)
1277 (positioning-done . ,ly:rest-collision::calc-positioning-done)
1278 (meta . ((class . Item)
1279 (interfaces . (rest-collision-interface))))))
1283 ;; don't set direction here: it breaks staccato.
1285 ;; This value is sensitive: if too large, staccato dots will move a
1288 (staff-padding . 0.25)
1289 ;; (script-priority . 0) priorities for scripts, see script.scm
1290 (X-offset . , ly:self-alignment-interface::centered-on-x-parent)
1293 (stencil . ,ly:script-interface::print)
1294 (direction . ,ly:script-interface::calc-direction)
1295 (font-encoding . fetaMusic)
1296 (meta . ((class . Item)
1297 (interfaces . (script-interface
1298 side-position-interface
1299 font-interface))))))
1303 (before-line-breaking . ,ly:script-column::before-line-breaking)
1304 (meta . ((class . Item)
1305 (interfaces . (script-column-interface))))))
1311 (meta . ((class . Item)
1312 (interfaces . (spacing-interface
1313 separation-item-interface))))))
1315 (SeparatingGroupSpanner
1317 (springs-and-rods . ,ly:separating-group-spanner::set-spacing-rods)
1318 (meta . ((class . Spanner)
1319 (interfaces . (only-prebreak-interface
1321 separation-spanner-interface))))))
1324 . ((details . ,default-slur-details)
1325 (control-points . ,ly:slur::calc-control-points)
1326 (direction . ,ly:slur::calc-direction)
1327 (springs-and-rods . ,ly:spanner::set-spacing-rods)
1328 (Y-extent . ,ly:slur::height)
1329 (stencil . ,ly:slur::print)
1331 (line-thickness . 0.8)
1332 (minimum-length . 1.5)
1333 (height-limit . 2.0)
1335 (avoid-slur . inside)
1336 (meta . ((class . Spanner)
1337 (interfaces . (slur-interface))))))
1341 (stencil . ,ly:text-interface::print)
1342 (direction . ,RIGHT)
1343 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1344 (no-spacing-rods . #t)
1345 (padding . 0.0) ;; padding relative to SostenutoPedalLineSpanner
1346 (font-shape . italic)
1347 (self-alignment-X . 0)
1348 (meta . ((class . Item)
1349 (interfaces . (text-interface
1350 self-alignment-interface
1351 font-interface))))))
1353 (SostenutoPedalLineSpanner
1356 (Y-extent . ,ly:axis-group-interface::height)
1357 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1359 (staff-padding . 1.0)
1361 (minimum-space . 1.0)
1363 (meta . ((class . Spanner)
1364 (interfaces . (piano-pedal-interface
1365 axis-group-interface
1366 side-position-interface))))))
1369 (springs-and-rods . ,ly:spacing-spanner::set-springs)
1370 (common-shortest-duration . ,ly:spacing-spanner::calc-common-shortest-duration)
1371 (average-spacing-wishes . #t)
1372 (shortest-duration-space . 2.0)
1373 (spacing-increment . 1.2)
1375 (base-shortest-duration . ,(ly:make-moment 3 16))
1376 (meta . ((class . Spanner)
1377 (interfaces . (spacing-interface
1378 spacing-options-interface
1379 spacing-spanner-interface))))))
1383 (break-align-symbol . staff-bar)
1387 (stencil . ,ly:span-bar::print)
1388 (bar-size . ,ly:span-bar::calc-bar-size)
1389 (X-extent . ,ly:span-bar::width)
1390 (glyph-name . ,ly:span-bar::calc-glyph-name)
1391 (before-line-breaking . ,ly:span-bar::before-line-breaking)
1396 ;; Ross. page 151 lists other values, we opt for a leaner look
1400 (hair-thickness . 1.6)
1401 (thick-thickness . 6.0)
1402 (meta . ((class . Item)
1403 (interfaces . (span-bar-interface
1405 bar-line-interface))))))
1409 (stencil . ,ly:text-interface::print)
1410 (font-series . bold)
1412 (X-offset . ,ly:side-position-interface::x-aligned-side)
1415 (meta . ((class . Item)
1416 (interfaces . (side-position-interface
1417 stanza-number-interface
1419 font-interface))))))
1425 (stem-spacing-correction . 0.4)
1426 (meta . ((class . Item)
1427 (interfaces . (spacing-interface
1428 staff-spacing-interface))))))
1433 (Y-extent . ,ly:staff-symbol::height)
1434 (stencil . ,ly:staff-symbol::print)
1436 (ledger-line-thickness . (1.0 . 0.1))
1438 (meta . ((class . Spanner)
1439 (interfaces . (staff-symbol-interface))))))
1443 (direction . ,ly:stem::calc-direction)
1444 (default-direction . ,ly:stem::calc-default-direction)
1445 (stem-end-position . ,ly:stem::calc-stem-end-position)
1446 (neutral-direction . ,DOWN)
1447 (stem-info . ,ly:stem::calc-stem-info)
1448 (positioning-done . ,ly:stem::calc-positioning-done)
1449 (stencil . ,ly:stem::print)
1450 (X-extent . ,ly:stem::width)
1451 (Y-extent . ,ly:stem::height)
1452 (length . ,ly:stem::calc-length)
1456 ;; 3.5 (or 3 measured from note head) is standard length
1457 ;; 32nd, 64th flagged stems should be longer
1458 (lengths . (3.5 3.5 3.5 4.5 5.0))
1460 ;; FIXME. 3.5 yields too long beams (according to Ross and
1461 ;; looking at Baerenreiter examples) for a number of common
1462 ;; boundary cases. Subtracting half a beam thickness fixes
1463 ;; this, but the bug may well be somewhere else.
1465 ;; FIXME this should come from 'lengths
1466 (beamed-lengths . (3.26 3.5 3.6))
1468 ;; The 'normal' minima
1469 (beamed-minimum-free-lengths . (1.83 1.5 1.25))
1470 ;(beamed-minimum-free-lengths . (2.0 1.83 1.25))
1472 ;; The 'extreme case' minima
1473 (beamed-extreme-minimum-free-lengths . (2.0 1.25))
1475 ;; Stems in unnatural (forced) direction should be shortened by
1476 ;; one staff space, according to [Roush & Gourlay].
1477 ;; Flagged stems we shorten only half a staff space.
1478 (stem-shorten . (1.0 0.5))
1482 ;; We use the normal minima as minimum for the ideal lengths,
1483 ;; and the extreme minima as abolute minimum length.
1485 (X-offset . ,ly:stem::offset-callback)
1486 (Y-offset . ,ly:staff-symbol-referencer::callback)
1487 (meta . ((class . Item)
1488 (interfaces . (stem-interface
1489 font-interface))))))
1493 (Y-extent . ,ly:stem-tremolo::height)
1494 (stencil . ,ly:stem-tremolo::print)
1496 (slope . ,ly:stem-tremolo::calc-slope)
1497 (beam-width . ,ly:stem-tremolo::calc-width) ; staff-space
1498 (style . ,ly:stem-tremolo::calc-style)
1499 (beam-thickness . 0.48) ; staff-space
1500 (meta . ((class . Item)
1501 (interfaces . (stem-tremolo-interface))))))
1505 (stencil . ,print-circled-text-callback)
1507 (staff-padding . 0.5)
1508 (self-alignment-X . 0)
1509 (self-alignment-Y . 0)
1510 (script-priority . 100)
1511 (font-encoding . fetaNumber)
1512 (font-size . -5) ; don't overlap when next to heads.
1513 (meta . ((class . Item)
1514 (interfaces . (string-number-interface
1516 text-script-interface
1518 side-position-interface
1519 self-alignment-interface
1520 item-interface))))))
1524 (no-spacing-rods . #t)
1525 (stencil . ,ly:sustain-pedal::print)
1526 (self-alignment-X . 0)
1527 (direction . ,RIGHT)
1528 (padding . 0.0) ;; padding relative to SustainPedalLineSpanner
1529 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1530 (meta . ((class . Item)
1531 (interfaces . (piano-pedal-interface
1532 text-spanner-interface
1533 line-spanner-interface
1535 self-alignment-interface
1536 font-interface))))))
1538 (SustainPedalLineSpanner
1541 (Y-extent . ,ly:axis-group-interface::height)
1542 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1545 (staff-padding . 1.2)
1546 (minimum-space . 1.0)
1548 (meta . ((class . Spanner)
1549 (interfaces . (piano-pedal-interface
1550 axis-group-interface
1551 side-position-interface))))))
1556 (X-extent . ,ly:axis-group-interface::width)
1557 (Y-extent . ,ly:axis-group-interface::height)
1558 (meta . ((class . System)
1559 (interfaces . (system-interface
1560 axis-group-interface))))))
1566 (stencil . ,ly:system-start-delimiter::print)
1567 (collapse-height . 5.0)
1568 (X-offset . ,ly:side-position-interface::x-aligned-side)
1570 (font-encoding . fetaBraces)
1572 (meta . ((class . Spanner)
1573 (interfaces . (system-start-delimiter-interface
1574 side-position-interface
1575 font-interface))))))
1581 (X-offset . ,ly:side-position-interface::x-aligned-side)
1583 (stencil . ,ly:system-start-delimiter::print)
1584 (style . line-bracket)
1586 (meta . ((class . Spanner)
1587 (interfaces . (font-interface
1588 side-position-interface
1589 system-start-delimiter-interface))))))
1594 (X-offset . ,ly:side-position-interface::x-aligned-side)
1596 (stencil . ,ly:system-start-delimiter::print)
1598 (collapse-height . 5.0)
1600 (meta . ((class . Spanner)
1601 (interfaces . (font-interface
1602 side-position-interface
1603 system-start-delimiter-interface))))))
1610 (padding . -0.1) ;; bar must cover rounded ending of staff line.
1611 (X-offset . ,ly:side-position-interface::x-aligned-side)
1615 (stencil . ,ly:system-start-delimiter::print)
1616 (meta . ((class . Spanner)
1617 (interfaces . (side-position-interface
1618 system-start-delimiter-interface))))))
1623 (stencil . ,ly:text-interface::print)
1624 (Y-offset . ,ly:staff-symbol-referencer::callback)
1626 (stem-attachment . (0.0 . 1.35))
1627 (font-series . bold)
1628 (meta . ((class . Item)
1630 . (rhythmic-head-interface
1631 font-interface rhythmic-grob-interface
1633 staff-symbol-referencer-interface
1634 text-interface))))))
1638 (no-spacing-rods . #t)
1639 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1642 ;; sync with Fingering ?
1644 (staff-padding . 0.5)
1646 (stencil . ,ly:text-interface::print)
1647 (direction . ,ly:script-interface::calc-direction)
1649 (avoid-slur . around)
1650 (slur-padding . 0.5)
1651 (script-priority . 200)
1652 ;; todo: add X self alignment?
1653 (meta . ((class . Item)
1654 (interfaces . (text-script-interface
1656 side-position-interface
1657 font-interface))))))
1661 (stencil . ,ly:text-spanner::print)
1662 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1663 (font-shape . italic)
1664 (style . dashed-line)
1665 (staff-padding . 0.8)
1666 (dash-fraction . 0.2)
1670 (meta . ((class . Spanner)
1671 (interfaces . (text-spanner-interface
1672 line-spanner-interface
1673 side-position-interface
1674 font-interface))))))
1678 (control-points . ,ly:tie::calc-control-points)
1679 (avoid-slur . inside)
1680 (direction . ,ly:tie::calc-direction)
1681 (stencil . ,ly:tie::print)
1684 ;; for a full list, see tie-helper.cc
1686 (center-staff-line-clearance . 0.6)
1687 (tip-staff-line-clearance . 0.45)
1688 (note-head-gap . 0.2)
1690 (height-limit . 1.0)
1691 (horizontal-distance-penalty-factor . 10)
1692 (min-length-penalty-factor . 20)
1693 (tie-tie-collision-distance . 0.45)
1694 (tie-tie-collision-penalty . 25.0)
1695 (intra-space-threshold . 1.25)
1696 (outer-tie-vertical-distance-symmetry-penalty-factor . 10)
1697 (outer-tie-length-symmetry-penalty-factor . 10)
1698 (outer-tie-vertical-gap . 0.25)
1699 (multi-tie-region-size . 1)
1700 (between-length-limit . 1.0)))
1702 (line-thickness . 0.8)
1703 (meta . ((class . Spanner)
1704 (interfaces . (tie-interface))))
1709 (positioning-done . ,ly:tie-column::calc-positioning-done)
1710 (before-line-breaking . ,ly:tie-column::before-line-breaking)
1713 (meta . ((class . Spanner)
1714 (interfaces . (tie-column-interface))))))
1718 (stencil . ,ly:time-signature::print)
1719 (break-align-symbol . time-signature)
1720 (break-visibility . ,all-visible)
1722 (first-note . (fixed-space . 2.0))
1723 (right-edge . (extra-space . 0.5))
1724 (staff-bar . (minimum-space . 2.0))))
1727 (meta . ((class . Item)
1728 (interfaces . (time-signature-interface
1729 break-aligned-interface
1730 font-interface))))))
1734 (stencil . ,ly:dynamic-text-spanner::print)
1735 (edge-text . ,(cons (make-musicglyph-markup "scripts.trill")
1738 (staff-padding . 1.0)
1741 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1743 (meta . ((class . Spanner)
1744 (interfaces . (text-spanner-interface
1745 line-spanner-interface
1746 side-position-interface
1747 font-interface))))))
1749 (TrillPitchAccidental
1750 . ((X-offset . ,ly:side-position-interface::x-aligned-side)
1755 (stencil . ,ly:accidental-interface::print)
1756 (meta . ((class . Item)
1757 (interfaces . (item-interface
1758 accidental-interface
1759 side-position-interface
1760 font-interface))))))
1763 . ((X-offset . ,ly:side-position-interface::x-aligned-side)
1766 (stencil . ,parenthesize-elements)
1767 (direction . ,RIGHT)
1770 (meta . ((class . Item)
1771 (interfaces . (side-position-interface
1773 rhythmic-head-interface
1775 accidental-interface
1776 axis-group-interface))))))
1780 (stencil . ,ly:note-head::print)
1782 (Y-offset . ,ly:staff-symbol-referencer::callback)
1784 (meta . ((class . Item)
1785 (interfaces . (item-interface
1786 rhythmic-head-interface
1788 pitched-trill-interface
1790 staff-symbol-referencer-interface))))))
1796 (edge-height . (0.7 . 0.7))
1797 (shorten-pair . (-0.2 . -0.2))
1798 (staff-padding . 0.25)
1799 (direction . ,ly:tuplet-bracket::calc-direction)
1800 (positions . ,ly:tuplet-bracket::calc-positions)
1801 (connect-to-neighbor . ,ly:tuplet-bracket::calc-connect-to-neighbors)
1802 (control-points . ,ly:tuplet-bracket::calc-control-points)
1803 (stencil . ,ly:tuplet-bracket::print)
1805 (meta . ((class . Spanner)
1806 (interfaces . (line-interface
1807 tuplet-bracket-interface))))))
1811 (stencil . ,ly:tuplet-number::print)
1812 (text . ,tuplet-number::calc-denominator-text)
1813 (font-shape . italic)
1815 (avoid-slur . inside)
1816 (meta . ((class . Spanner)
1817 (interfaces . (text-interface tuplet-number-interface
1818 font-interface))))))
1822 (stencil . ,ly:text-interface::print)
1823 (font-shape . italic)
1824 (no-spacing-rods . #t)
1825 (self-alignment-X . 0)
1826 (direction . ,RIGHT)
1827 (padding . 0.0) ;; padding relative to UnaCordaPedalLineSpanner
1828 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1829 (meta . ((class . Item)
1830 (interfaces . (text-interface
1831 self-alignment-interface
1832 font-interface))))))
1834 (UnaCordaPedalLineSpanner
1837 (Y-extent . ,ly:axis-group-interface::height)
1838 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1841 (staff-padding . 1.2)
1842 (minimum-space . 1.0)
1844 (meta . ((class . Spanner)
1845 (interfaces . (piano-pedal-interface
1846 axis-group-interface
1847 side-position-interface))))))
1853 (stencil . ,ly:vaticana-ligature::print)
1854 (meta . ((class . Spanner)
1855 (interfaces . (vaticana-ligature-interface
1856 font-interface))))))
1861 (positioning-done . ,ly:align-interface::calc-positioning-done)
1862 (after-line-breaking . ,ly:align-interface::stretch-after-break)
1863 (Y-extent . ,ly:axis-group-interface::height)
1864 (X-extent . ,ly:axis-group-interface::width)
1866 (meta . ((class . Spanner)
1867 (interfaces . (align-interface
1868 axis-group-interface))))))
1872 (Y-offset . ,ly:hara-kiri-group-spanner::force-hara-kiri-callback)
1874 (Y-extent . ,ly:hara-kiri-group-spanner::y-extent)
1875 (X-extent . ,ly:axis-group-interface::width)
1876 (meta . ((class . Spanner)
1877 (interfaces . (axis-group-interface
1878 hara-kiri-group-interface
1879 vertically-spaceable-interface))))))
1884 (stencil . ,ly:volta-bracket-interface::print)
1887 (font-encoding . fetaNumber)
1888 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1890 (thickness . 1.6) ;; line-thickness
1891 (edge-height . (2.0 . 2.0)) ;; staff-space;
1894 (meta . ((class . Spanner)
1895 (interfaces . (volta-bracket-interface
1896 horizontal-bracket-interface
1899 side-position-interface
1911 (stencil . ,ly:line-spanner::print)
1912 (after-line-breaking . ,ly:line-spanner::after-line-breaking)
1913 (meta . ((class . Spanner)
1914 (interfaces . (line-spanner-interface
1920 (define (completize-grob-entry x)
1921 "Transplant assoc key into 'name entry of 'meta of X. Set interfaces for Item, Spanner etc.
1923 ;; (display (car x))
1925 (let* ((name-sym (car x))
1926 (grob-entry (cdr x))
1927 (meta-entry (cdr (assoc 'meta grob-entry)))
1928 (class (cdr (assoc 'class meta-entry)))
1930 (cdr (assoc 'interfaces meta-entry))))
1934 (set! ifaces-entry (cons 'item-interface ifaces-entry)))
1935 ((eq? 'Spanner class)
1936 (set! ifaces-entry (cons 'spanner-interface ifaces-entry)))
1937 ((eq? 'Paper_column class)
1938 (set! ifaces-entry (cons 'item-interface
1939 (cons 'paper-column-interface ifaces-entry))))
1940 ((eq? 'System class)
1941 (set! ifaces-entry (cons 'system-interface
1942 (cons 'spanner-interface ifaces-entry))))
1944 (ly:warning "Unknown class ~a" class)))
1945 (set! ifaces-entry (cons 'grob-interface ifaces-entry))
1947 (set! meta-entry (assoc-set! meta-entry 'name name-sym))
1948 (set! meta-entry (assoc-set! meta-entry 'interfaces
1950 (set! grob-entry (assoc-set! grob-entry 'meta meta-entry))
1951 (cons name-sym grob-entry)))
1953 (set! all-grob-descriptions (map completize-grob-entry all-grob-descriptions))
1955 ;; (display (map pair? all-grob-descriptions))
1957 ;; make sure that \property Foo.Bar =\turnOff doesn't complain
1960 ;; (display (car x)) (newline)
1962 (set-object-property! (car x) 'translation-type? list?)
1963 (set-object-property! (car x) 'is-grob? #t))
1964 all-grob-descriptions)
1966 (set! all-grob-descriptions (sort all-grob-descriptions alist<?))
1969 (define pure-print-callbacks
1971 `(,ly:note-head::print . '())
1972 `(,ly:clef::print . '())
1973 `(,ly:text-interface::print . '())))
1975 ;; ly:grob::stencil-extent is safe iff the print callback is safe too
1976 (define (pure-stencil-height grob start stop)
1977 (let ((sten (ly:grob-property-data grob 'stencil)))
1980 (pair? (assq sten pure-print-callbacks)))
1981 (ly:grob::stencil-height grob)
1984 (define pure-Y-extents
1986 `(,ly:staff-symbol::height . ())))
1988 (define Y-extent-conversions
1990 `(,ly:stem::height . ,ly:stem::pure-height)
1991 `(,ly:grob::stencil-height . ,pure-stencil-height)
1992 `(,ly:side-position-interface::y-aligned-side . ,ly:side-position-interface::pure-y-aligned-side)
1993 `(,ly:axis-group-interface::height . ,ly:axis-group-interface::pure-height)
1994 `(,ly:hara-kiri-group-spanner::y-extent . ,ly:hara-kiri-group-spanner::pure-height)))
1996 (define pure-Y-offsets
1998 `(,ly:staff-symbol-referencer::callback . ())))
2000 (define Y-offset-conversions
2002 `(,ly:side-position-interface::y-aligned-side . ,ly:side-position-interface::pure-y-aligned-side)))
2004 (define-public (pure-relevant grob)
2005 (let ((extent-callback (ly:grob-property-data grob 'Y-extent)))
2007 (pair? (assq extent-callback pure-Y-extents))
2009 (pair? (assq extent-callback Y-extent-conversions))
2011 (not (eq? extent-callback ly:grob::stencil-height))
2012 (pair? (assq (ly:grob-property-data grob 'stencil) pure-print-callbacks))
2013 (ly:stencil? (ly:grob-property-data grob 'stencil)))))))
2015 (define (pure-conversion pures conversions defsymbol defreturn rettype? grob start stop)
2016 (let* ((normal-callback (ly:grob-property-data grob defsymbol))
2017 (pure-callback (assq normal-callback conversions)))
2018 (if (rettype? normal-callback)
2020 (if (pair? (assq normal-callback pures))
2021 (normal-callback grob)
2022 (if (pair? pure-callback)
2023 ((cdr pure-callback) grob start stop)
2026 (define-public (pure-Y-extent grob start stop)
2027 (pure-conversion pure-Y-extents Y-extent-conversions
2028 'Y-extent '(0 . 0) pair? grob start stop))
2030 (define-public (pure-Y-offset grob start stop)
2031 (pure-conversion pure-Y-offsets Y-offset-conversions
2032 'Y-offset 0 number? grob start stop))