1 ;;;; This file is part of LilyPond, the GNU music typesetter.
3 ;;;; Copyright (C) 1998--2012 Han-Wen Nienhuys <hanwen@xs4all.nl>
4 ;;;; Jan Nieuwenhuizen <janneke@gnu.org>
6 ;;;; LilyPond is free software: you can redistribute it and/or modify
7 ;;;; it under the terms of the GNU General Public License as published by
8 ;;;; the Free Software Foundation, either version 3 of the License, or
9 ;;;; (at your option) any later version.
11 ;;;; LilyPond is distributed in the hope that it will be useful,
12 ;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
13 ;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 ;;;; GNU General Public License for more details.
16 ;;;; You should have received a copy of the GNU General Public License
17 ;;;; along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
19 ;;;; distances are given in line-thickness (thicknesses) and
20 ;;;; staff-space (distances)
22 ;;;; WARNING: the meta field should be the last one.
23 ;;;; WARNING: don't use anonymous functions for initialization.
25 ;; TODO: junk the meta field in favor of something more compact?
27 (define-public all-grob-descriptions
31 (alteration . ,accidental-interface::calc-alteration)
33 (glyph-name . ,accidental-interface::glyph-name)
34 (glyph-name-alist . ,standard-alteration-glyph-name-alist)
35 (stencil . ,ly:accidental-interface::print)
36 (horizontal-skylines . ,ly:accidental-interface::horizontal-skylines)
37 (vertical-skylines . ,ly:grob::vertical-skylines-from-stencil)
38 (X-extent . ,ly:accidental-interface::width)
39 (Y-extent . ,ly:accidental-interface::height)
40 (meta . ((class . Item)
41 (interfaces . (accidental-interface
42 inline-accidental-interface
47 (alteration . ,accidental-interface::calc-alteration)
49 (glyph-name-alist . ,standard-alteration-glyph-name-alist)
51 (stencil . ,ly:accidental-interface::print)
52 (Y-extent . ,ly:accidental-interface::height)
53 (meta . ((class . Item)
54 (interfaces . (accidental-interface
55 inline-accidental-interface
61 (positioning-done . ,ly:accidental-placement::calc-positioning-done)
63 ;; this is quite small, but it is very ugly to have
64 ;; accs closer to the previous note than to the next one.
65 (right-padding . 0.15)
67 ;; for horizontally stacked scripts.
68 (script-priority . -100)
70 (X-extent . ,ly:axis-group-interface::width)
71 (meta . ((class . Item)
72 (interfaces . (accidental-placement-interface))))))
76 (alteration . ,accidental-interface::calc-alteration)
79 (glyph-name-alist . ,standard-alteration-glyph-name-alist)
80 (outside-staff-priority . 0)
82 (self-alignment-X . ,CENTER)
84 (staff-padding . 0.25)
85 (stencil . ,ly:accidental-interface::print)
86 (X-extent . ,ly:accidental-interface::width)
87 (X-offset . ,(ly:make-simple-closure
89 ,(ly:make-simple-closure
90 (list ly:self-alignment-interface::centered-on-x-parent))
91 ,(ly:make-simple-closure
92 (list ly:self-alignment-interface::x-aligned-on-self)))))
93 (Y-extent . ,ly:accidental-interface::height)
94 (Y-offset . ,ly:side-position-interface::y-aligned-side)
95 (meta . ((class . Item)
96 (interfaces . (accidental-interface
97 accidental-suggestion-interface
100 self-alignment-interface
101 side-position-interface))))))
106 (break-align-symbol . ambitus)
107 (break-visibility . ,begin-of-line-visible)
110 (cue-end-clef . (extra-space . 0.5))
111 (clef . (extra-space . 0.5))
112 (cue-clef . (extra-space . 0.5))
113 (key-signature . (extra-space . 0.0))
114 (staff-bar . (extra-space . 0.0))
115 (time-signature . (extra-space . 0.0))
116 (first-note . (fixed-space . 0.0))))
117 (X-extent . ,ly:axis-group-interface::width)
118 (Y-extent . ,ly:axis-group-interface::height)
119 (meta . ((class . Item)
120 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
121 (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)))
122 (interfaces . (ambitus-interface
124 break-aligned-interface))))))
129 (glyph-name-alist . ,standard-alteration-glyph-name-alist)
132 (stencil . ,ly:accidental-interface::print)
133 (X-offset . ,ly:side-position-interface::x-aligned-side)
134 (Y-extent . ,ly:accidental-interface::height)
135 (meta . ((class . Item)
136 (interfaces . (accidental-interface
137 break-aligned-interface
139 side-position-interface))))))
144 (stencil . ,ambitus::print)
146 (X-offset . ,ly:self-alignment-interface::centered-on-x-parent)
147 (meta . ((class . Item)
148 (interfaces . (ambitus-interface
154 (glyph-name . ,note-head::calc-glyph-name)
155 (stencil . ,ly:note-head::print)
156 (Y-offset . ,ly:staff-symbol-referencer::callback)
157 (Y-extent . ,grob::all-heights-from-stencil)
158 (meta . ((class . Item)
159 (interfaces . (ambitus-interface
163 rhythmic-head-interface
164 staff-symbol-referencer-interface))))))
170 (positions . ,ly:arpeggio::calc-positions)
171 (script-priority . 0)
173 (staff-position . 0.0)
174 (stencil . ,ly:arpeggio::print)
175 (X-extent . ,ly:arpeggio::width)
176 (X-offset . ,ly:side-position-interface::x-aligned-side)
177 (Y-offset . ,ly:staff-symbol-referencer::callback)
178 (meta . ((class . Item)
179 (interfaces . (arpeggio-interface
181 side-position-interface
182 staff-symbol-referencer-interface))))))
186 (annotation-balloon . #t)
187 (annotation-line . #t)
188 (stencil . ,ly:balloon-interface::print)
189 (text . ,(grob::calc-property-by-copy 'text))
190 (X-offset . ,(grob::calc-property-by-copy 'X-offset))
191 (Y-offset . ,(grob::calc-property-by-copy 'Y-offset))
192 (meta . ((class . Item)
193 (interfaces . (balloon-interface
199 (allow-span-bar . #t)
200 (bar-extent . ,ly:bar-line::calc-bar-extent)
201 (break-align-anchor . ,ly:bar-line::calc-anchor)
202 (break-align-symbol . staff-bar)
203 (break-visibility . ,bar-line::calc-break-visibility)
204 (extra-spacing-height . ,pure-from-neighbor-interface::account-for-span-bar)
207 (glyph-name . ,bar-line::calc-glyph-name)
210 ;; Ross. page 151 lists other values, we opt for a leaner look
213 ;; kern should scale with line-thickness too.
216 (hair-thickness . 1.9)
217 (thick-thickness . 6.0)
223 (time-signature . (extra-space . 0.75))
224 (custos . (minimum-space . 2.0))
225 (clef . (minimum-space . 1.0))
226 (key-signature . (extra-space . 1.0))
227 (key-cancellation . (extra-space . 1.0))
228 (first-note . (fixed-space . 1.3))
229 (next-note . (semi-fixed-space . 0.9))
230 (right-edge . (extra-space . 0.0))))
231 (stencil . ,ly:bar-line::print)
232 (Y-extent . ,grob::all-heights-from-stencil)
233 (meta . ((class . Item)
234 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
235 (pure-relevant-grobs . ,ly:pure-from-neighbor-interface::calc-pure-relevant-grobs)))
236 (interfaces . (bar-line-interface
237 break-aligned-interface
239 pure-from-neighbor-interface))))))
243 (after-line-breaking . ,ly:side-position-interface::move-to-extremal-staff)
244 ;; want the bar number before the clef at line start.
245 (break-align-symbols . (left-edge staff-bar))
247 (break-visibility . ,begin-of-line-visible)
249 (extra-spacing-width . (+inf.0 . -inf.0))
250 (font-family . roman)
253 ;; w/o padding, bars numbers are not positioned over the staff as
254 ;; they are slightly to the left. so we add just a bit.
255 (horizon-padding . 0.05)
256 (outside-staff-priority . 100)
258 (self-alignment-X . ,RIGHT)
260 (stencil . ,ly:text-interface::print)
261 (X-offset . ,(ly:make-simple-closure
263 ,(ly:make-simple-closure
264 (list ly:break-alignable-interface::self-align-callback))
265 ,(ly:make-simple-closure
266 (list ly:self-alignment-interface::x-aligned-on-self)))))
267 (Y-offset . ,ly:side-position-interface::y-aligned-side)
268 (Y-extent . ,grob::all-heights-from-stencil)
271 (interfaces . (break-alignable-interface
273 self-alignment-interface
274 side-position-interface
279 (stencil . ,ly:text-interface::print)
280 (Y-extent . ,grob::all-heights-from-stencil)
281 (meta . ((class . Item)
282 (interfaces . (bass-figure-interface
284 rhythmic-grob-interface
291 (positioning-done . ,ly:align-interface::align-to-minimum-distances)
292 (stacking-dir . ,DOWN)
293 (Y-extent . ,ly:axis-group-interface::height)
294 (meta . ((class . Spanner)
295 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
296 (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)))
297 (interfaces . (align-interface
299 bass-figure-alignment-interface))))))
301 (BassFigureAlignmentPositioning
307 (staff-padding . 1.0)
308 (Y-extent . ,ly:axis-group-interface::height)
309 (Y-offset . ,ly:side-position-interface::y-aligned-side)
310 (meta . ((class . Spanner)
311 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
312 (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)))
313 (interfaces . (axis-group-interface
314 side-position-interface))))))
318 (edge-height . (0.2 . 0.2))
319 (stencil . ,ly:enclosing-bracket::print)
320 (X-extent . ,ly:enclosing-bracket::width)
321 (meta . ((class . Item)
322 (interfaces . (enclosing-bracket-interface))))))
324 (BassFigureContinuation
326 (stencil . ,ly:figured-bass-continuation::print)
327 (Y-offset . ,ly:figured-bass-continuation::center-on-figures)
328 (meta . ((class . Spanner)
329 (interfaces . (figured-bass-continuation-interface))))))
333 (adjacent-pure-heights . ,ly:axis-group-interface::adjacent-pure-heights)
335 (vertical-skylines . ,ly:axis-group-interface::calc-skylines)
336 (Y-extent . ,ly:axis-group-interface::height)
337 (meta . ((class . Spanner)
338 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
339 (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)))
340 (interfaces . (axis-group-interface))))))
345 ;; todo: clean this up a bit: the list is getting
347 (auto-knee-gap . 5.5)
348 (beam-segments . ,ly:beam::calc-beam-segments)
349 (beam-thickness . 0.48) ; in staff-space
351 ;; We have some unreferenced problems here.
353 ;; If we shorten beamed stems less than normal stems (1 staff-space),
354 ;; or high order less than 8th beams, patterns like
355 ;; c''4 [c''8 c''] c''4 [c''16 c]
356 ;; are ugly (different stem lengths).
358 ;; But if we shorten 16th beams as much as 8th beams, a single
359 ;; forced 16th beam looks *very* short.
361 ;; We choose to shorten 8th beams the same as single stems,
362 ;; and high order beams less than 8th beams, so that all
363 ;; isolated shortened beams look nice and a bit shortened,
364 ;; sadly possibly breaking patterns with high order beams.
365 (beamed-stem-shorten . (1.0 0.5 0.25))
367 (beaming . ,ly:beam::calc-beaming)
369 (collision-interfaces . (beam-interface
372 inline-accidental-interface
373 key-signature-interface
375 octavate-eight-interface
377 time-signature-interface))
378 (cross-staff . ,ly:beam::calc-cross-staff)
382 (secondary-beam-demerit . 10)
383 (stem-length-demerit-factor . 5)
386 (stem-length-limit-penalty . 5000)
387 (damping-direction-penalty . 800)
388 (hint-direction-penalty . 20)
389 (musical-direction-factor . 400)
390 (ideal-slope-factor . 10)
391 (collision-penalty . 500)
392 (collision-padding . 0.35)
393 (round-to-zero-slope . 0.02)))
394 (direction . ,ly:beam::calc-direction)
396 (normalized-endpoints . ,ly:spanner::calc-normalized-endpoints)
397 ;; only for debugging.
398 (font-family . roman)
400 (beam-gap . ,ly:beam::calc-beam-gap)
401 (minimum-length . ,ly:beam::calc-minimum-length)
402 (neutral-direction . ,DOWN)
403 (positions . ,beam::place-broken-parts-individually)
404 (springs-and-rods . ,ly:beam::calc-springs-and-rods)
405 (X-positions . ,ly:beam::calc-x-positions)
407 ;; this is a hack to set stem lengths, if positions is set.
408 (quantized-positions . ,ly:beam::set-stem-lengths)
410 (shorten . ,ly:beam::calc-stem-shorten)
411 (vertical-skylines . ,ly:grob::vertical-skylines-from-stencil)
412 (stencil . ,ly:beam::print)
414 (meta . ((class . Spanner)
415 (object-callbacks . ((normal-stems . ,ly:beam::calc-normal-stems)))
416 (interfaces . (beam-interface
418 staff-symbol-referencer-interface
419 unbreakable-spanner-interface))))))
423 (minimum-length . 0.5)
424 (stencil . ,bend::print)
426 (meta . ((class . Spanner)
427 (interfaces . (bend-after-interface
428 spanner-interface))))))
433 (break-align-anchor . ,ly:break-aligned-interface::calc-average-anchor)
434 (break-visibility . ,ly:break-aligned-interface::calc-break-visibility)
435 (X-extent . ,ly:axis-group-interface::width)
436 (meta . ((class . Item)
437 (interfaces . (axis-group-interface
438 break-aligned-interface))))))
443 (break-align-orders . ;; end of line
484 (positioning-done . ,ly:break-alignment-interface::calc-positioning-done)
486 (X-extent . ,ly:axis-group-interface::width)
487 (meta . ((class . Item)
488 (interfaces . (axis-group-interface
489 break-alignment-interface))))))
493 (break-align-symbol . breathing-sign)
494 (break-visibility . ,begin-of-line-invisible)
497 (ambitus . (extra-space . 2.0))
498 (custos . (minimum-space . 1.0))
499 (key-signature . (minimum-space . 1.5))
500 (time-signature . (minimum-space . 1.5))
501 (staff-bar . (minimum-space . 1.5))
502 (clef . (minimum-space . 2.0))
503 (cue-clef . (minimum-space . 2.0))
504 (cue-end-clef . (minimum-space . 2.0))
505 (first-note . (fixed-space . 1.0)) ;huh?
506 (right-edge . (extra-space . 0.1))))
507 (stencil . ,ly:text-interface::print)
508 (text . ,(make-musicglyph-markup "scripts.rcomma"))
509 (Y-offset . ,ly:breathing-sign::offset-callback)
510 (Y-extent . ,grob::all-heights-from-stencil)
511 (meta . ((class . Item)
512 (interfaces . (break-aligned-interface
513 breathing-sign-interface
519 (after-line-breaking . ,ly:chord-name::after-line-breaking)
522 (stencil . ,ly:text-interface::print)
523 (extra-spacing-height . (0.2 . -0.2))
524 (extra-spacing-width . (-0.5 . 0.5))
526 (Y-extent . ,grob::all-heights-from-stencil)
527 (meta . ((class . Item)
528 (interfaces . (chord-name-interface
530 rhythmic-grob-interface
535 (avoid-slur . inside)
536 (break-align-anchor . ,ly:break-aligned-interface::calc-extent-aligned-anchor)
537 (break-align-symbol . clef)
538 (break-visibility . ,begin-of-line-visible)
539 (extra-spacing-height . ,pure-from-neighbor-interface::extra-spacing-height-at-beginning-of-line)
540 (glyph-name . ,ly:clef::calc-glyph-name)
542 (space-alist . ((cue-clef . (extra-space . 2.0))
543 (staff-bar . (extra-space . 0.7))
544 (key-cancellation . (minimum-space . 3.5))
545 (key-signature . (minimum-space . 3.5))
546 (time-signature . (minimum-space . 4.2))
547 (first-note . (minimum-fixed-space . 5.0))
548 (next-note . (extra-space . 1.0))
549 (right-edge . (extra-space . 0.5))))
550 (stencil . ,ly:clef::print)
551 (Y-extent . ,grob::all-heights-from-stencil)
552 (vertical-skylines . ,ly:grob::vertical-skylines-from-stencil)
553 (Y-offset . ,ly:staff-symbol-referencer::callback)
554 (meta . ((class . Item)
555 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
556 (pure-relevant-grobs . ,ly:pure-from-neighbor-interface::calc-pure-relevant-grobs)))
557 (interfaces . (break-aligned-interface
560 pure-from-neighbor-interface
561 staff-symbol-referencer-interface))))))
565 (cross-staff . ,ly:cluster::calc-cross-staff)
566 (minimum-length . 0.0)
568 (springs-and-rods . ,ly:spanner::set-spacing-rods)
569 (stencil . ,ly:cluster::print)
571 (meta . ((class . Spanner)
572 (interfaces . (cluster-interface))))))
574 (ClusterSpannerBeacon
576 (Y-extent . ,ly:cluster-beacon::height)
577 (meta . ((class . Item)
578 (interfaces . (cluster-beacon-interface
579 rhythmic-grob-interface))))))
583 (avoid-slur . outside)
586 (extra-spacing-width . (+inf.0 . -inf.0))
588 (outside-staff-priority . 450)
590 (script-priority . 200)
592 (staff-padding . 0.5)
593 ;; todo: add X self alignment?
594 (stencil . ,ly:text-interface::print)
595 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
596 (Y-offset . ,ly:side-position-interface::y-aligned-side)
597 (Y-extent . ,grob::all-heights-from-stencil)
598 (meta . ((class . Item)
599 (interfaces . (font-interface
600 side-position-interface
602 text-script-interface))))))
606 (avoid-slur . inside)
607 (break-align-anchor . ,ly:break-aligned-interface::calc-extent-aligned-anchor)
608 (break-align-symbol . cue-clef)
609 (break-visibility . ,begin-of-line-visible)
610 (extra-spacing-height . ,pure-from-neighbor-interface::extra-spacing-height-at-beginning-of-line)
612 (glyph-name . ,ly:clef::calc-glyph-name)
614 (full-size-change . #t)
615 (space-alist . ((staff-bar . (minimum-space . 2.7))
616 (key-cancellation . (minimum-space . 3.5))
617 (key-signature . (minimum-space . 3.5))
618 (time-signature . (minimum-space . 4.2))
619 (custos . (minimum-space . 0.0))
620 (first-note . (minimum-fixed-space . 3.0))
621 (next-note . (extra-space . 1.0))
622 (right-edge . (extra-space . 0.5))))
623 (stencil . ,ly:clef::print)
624 (vertical-skylines . ,ly:grob::vertical-skylines-from-stencil)
625 (Y-extent . ,grob::all-heights-from-stencil)
626 (Y-offset . ,ly:staff-symbol-referencer::callback)
627 (meta . ((class . Item)
628 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
629 (pure-relevant-grobs . ,ly:pure-from-neighbor-interface::calc-pure-relevant-grobs)))
630 (interfaces . (break-aligned-interface
633 pure-from-neighbor-interface
634 staff-symbol-referencer-interface))))))
638 (avoid-slur . inside)
639 (break-align-anchor . ,ly:break-aligned-interface::calc-extent-aligned-anchor)
640 (break-align-symbol . cue-end-clef)
641 (break-visibility . ,begin-of-line-invisible)
642 (extra-spacing-height . ,pure-from-neighbor-interface::extra-spacing-height-at-beginning-of-line)
644 (glyph-name . ,ly:clef::calc-glyph-name)
646 (full-size-change . #t)
647 (space-alist . ((clef . (extra-space . 0.7))
648 (cue-clef . (extra-space . 0.7))
649 (staff-bar . (extra-space . 0.7))
650 (key-cancellation . (minimum-space . 3.5))
651 (key-signature . (minimum-space . 3.5))
652 (time-signature . (minimum-space . 4.2))
653 (first-note . (minimum-fixed-space . 5.0))
654 (next-note . (extra-space . 1.0))
655 (right-edge . (extra-space . 0.5))))
656 (stencil . ,ly:clef::print)
657 (Y-extent . ,grob::all-heights-from-stencil)
658 (Y-offset . ,ly:staff-symbol-referencer::callback)
659 (meta . ((class . Item)
660 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
661 (pure-relevant-grobs . ,ly:pure-from-neighbor-interface::calc-pure-relevant-grobs)))
662 (interfaces . (break-aligned-interface
665 pure-from-neighbor-interface
666 staff-symbol-referencer-interface))))))
670 (break-align-symbol . custos)
671 (break-visibility . ,end-of-line-visible)
672 (neutral-direction . ,DOWN)
675 (first-note . (minimum-fixed-space . 0.0))
676 (right-edge . (extra-space . 0.1))))
677 (stencil . ,ly:custos::print)
679 (Y-offset . ,ly:staff-symbol-referencer::callback)
680 (meta . ((class . Item)
681 (interfaces . (break-aligned-interface
684 staff-symbol-referencer-interface))))))
691 (positioning-done . ,ly:dot-column::calc-positioning-done)
692 (X-extent . ,ly:axis-group-interface::width)
693 (meta . ((class . Item)
694 (interfaces . (axis-group-interface
695 dot-column-interface))))))
699 (avoid-slur . inside)
700 (dot-count . ,dots::calc-dot-count)
701 (staff-position . ,dots::calc-staff-position)
702 (stencil . ,ly:dots::print)
703 (Y-extent . ,grob::all-heights-from-stencil)
704 (extra-spacing-height . (-0.5 . 0.5))
705 (meta . ((class . Item)
706 (interfaces . (dots-interface
708 staff-symbol-referencer-interface))))))
712 (break-align-symbol . staff-bar)
713 (break-visibility . ,begin-of-line-invisible)
714 (dot-negative-kern . 0.75)
715 (font-encoding . fetaMusic)
717 (slash-negative-kern . 1.6)
719 (stencil . ,ly:percent-repeat-item-interface::double-percent)
720 (Y-extent . ,grob::all-heights-from-stencil)
722 (meta . ((class . Item)
723 (interfaces . (break-aligned-interface
725 percent-repeat-interface
726 percent-repeat-item-interface))))))
728 (DoublePercentRepeatCounter
731 (font-encoding . fetaText)
734 (self-alignment-X . ,CENTER)
736 (staff-padding . 0.25)
737 (stencil . ,ly:text-interface::print)
738 (X-offset . ,(ly:make-simple-closure
740 ,(ly:make-simple-closure
741 (list ly:self-alignment-interface::centered-on-y-parent))
742 ,(ly:make-simple-closure
743 (list ly:self-alignment-interface::x-aligned-on-self)))))
744 (Y-extent . ,grob::all-heights-from-stencil)
745 (Y-offset . ,ly:side-position-interface::y-aligned-side)
746 (meta . ((class . Item)
747 (interfaces . (font-interface
748 percent-repeat-interface
749 percent-repeat-item-interface
750 self-alignment-interface
751 side-position-interface
756 (dot-negative-kern . 0.75)
757 (font-encoding . fetaMusic)
758 (slash-negative-kern . 1.6)
760 (stencil . ,ly:percent-repeat-item-interface::beat-slash)
761 (Y-extent . ,grob::all-heights-from-stencil)
763 (meta . ((class . Item)
764 (interfaces . (font-interface
765 percent-repeat-interface
766 percent-repeat-item-interface
767 rhythmic-grob-interface))))))
772 (cross-staff . ,ly:side-position-interface::calc-cross-staff)
774 (minimum-space . 1.2)
775 (outside-staff-priority . 250)
779 (staff-padding . 0.1)
780 (vertical-skylines . ,ly:grob::vertical-skylines-from-element-stencils)
781 (X-extent . ,ly:axis-group-interface::width)
782 (Y-extent . ,ly:axis-group-interface::height)
783 (Y-offset . ,ly:side-position-interface::y-aligned-side)
784 (meta . ((class . Spanner)
785 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
786 (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)))
787 (interfaces . (axis-group-interface
789 dynamic-line-spanner-interface
790 side-position-interface))))))
797 (collision-bias . -2.0)
798 (collision-padding . 0.5)
799 (direction . ,ly:script-interface::calc-direction)
800 (extra-spacing-width . (+inf.0 . -inf.0))
801 (font-encoding . fetaText)
803 (font-shape . italic)
804 (positioning-done . ,ly:script-interface::calc-positioning-done)
805 (right-padding . 0.5)
806 (self-alignment-X . ,CENTER)
807 (self-alignment-Y . ,CENTER)
808 (stencil . ,ly:text-interface::print)
809 (vertical-skylines . ,ly:grob::vertical-skylines-from-stencil)
810 (Y-extent . ,grob::all-heights-from-stencil)
811 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
812 (Y-offset . ,ly:self-alignment-interface::y-aligned-on-self)
813 (meta . ((class . Item)
814 (interfaces . (dynamic-interface
815 dynamic-text-interface
818 self-alignment-interface
823 (before-line-breaking . ,dynamic-text-spanner::before-line-breaking)
824 (bound-details . ((right . ((attach-dir . ,LEFT)
828 (right-broken . ((attach-dir . ,RIGHT)
832 (left . ((attach-dir . ,LEFT)
834 (stencil-offset . (-0.75 . -0.5))
837 (left-broken . ((attach-dir . ,RIGHT)
840 (dash-fraction . 0.2)
843 ;; rather ugh with NCSB
844 ;; (font-series . bold)
845 (font-shape . italic)
847 ;; need to blend with dynamic texts.
850 (left-bound-info . ,ly:line-spanner::calc-left-bound-info-and-text)
852 (minimum-length . 2.0)
853 ;; make sure the spanner doesn't get too close to notes
854 (minimum-Y-extent . (-1 . 1))
856 (right-bound-info . ,ly:line-spanner::calc-right-bound-info)
857 (springs-and-rods . ,ly:spanner::set-spacing-rods)
858 (stencil . ,ly:line-spanner::print)
859 (style . dashed-line)
860 (vertical-skylines . ,ly:grob::vertical-skylines-from-stencil)
861 (meta . ((class . Spanner)
862 (interfaces . (dynamic-interface
863 dynamic-text-spanner-interface
866 line-spanner-interface
873 (bound-details . ((left . ((Y . 0)
879 (attach-dir . ,RIGHT)
883 (left-bound-info . ,ly:line-spanner::calc-left-bound-info)
884 (quantize-position . #t)
885 (right-bound-info . ,ly:line-spanner::calc-right-bound-info)
887 (stencil . ,ly:line-spanner::print)
889 (Y-offset . ,ly:side-position-interface::y-aligned-side)
890 (meta . ((class . Spanner)
891 (interfaces . (episema-interface
894 line-spanner-interface
895 side-position-interface))))))
901 ;; sync with TextScript (?)
902 (add-stem-support . ,only-if-beamed)
903 (avoid-slur . around)
904 (cross-staff . ,script-or-side-position-cross-staff)
905 (direction . ,ly:script-interface::calc-direction)
906 (font-encoding . fetaText)
907 (font-size . -5) ; don't overlap when next to heads.
909 (positioning-done . ,ly:script-interface::calc-positioning-done)
910 (script-priority . 100)
911 (self-alignment-X . ,CENTER)
912 (self-alignment-Y . ,CENTER)
914 (staff-padding . 0.5)
915 (stencil . ,ly:text-interface::print)
916 (text . ,fingering::calc-text)
917 (Y-extent . ,grob::all-heights-from-stencil)
918 (meta . ((class . Item)
919 (interfaces . (finger-interface
921 self-alignment-interface
922 side-position-interface
924 text-script-interface))))))
929 (positioning-done . ,ly:fingering-column::calc-positioning-done)
930 (meta . ((class . Item)
931 (interfaces . (fingering-column-interface))))))
935 (glyph-name . ,ly:flag::glyph-name)
936 (stencil . ,ly:flag::print)
937 (X-extent . ,ly:flag::width)
938 (X-offset . ,ly:flag::calc-x-offset)
939 (Y-offset . ,ly:flag::calc-y-offset)
940 (vertical-skylines . ,ly:grob::vertical-skylines-from-stencil)
941 (Y-extent . ,grob::all-heights-from-stencil)
942 (meta . ((class . Item)
943 (interfaces . (flag-interface
948 (annotation-balloon . #f)
949 (annotation-line . #t)
950 (automatically-numbered . ,(grob::calc-property-by-copy 'automatically-numbered))
951 (break-visibility . ,inherit-y-parent-visibility)
953 (footnote-text . ,(grob::calc-property-by-copy 'footnote-text))
954 (stencil . ,ly:balloon-interface::print)
955 (text . ,(grob::calc-property-by-copy 'text))
958 (X-offset . ,(grob::calc-property-by-copy 'X-offset))
959 (Y-offset . ,(grob::calc-property-by-copy 'Y-offset))
960 (meta . ((class . Item)
961 (interfaces . (balloon-interface
968 (annotation-balloon . #f)
969 (annotation-line . #t)
970 (automatically-numbered . ,(grob::calc-property-by-copy 'automatically-numbered))
972 (footnote-text . ,(grob::calc-property-by-copy 'footnote-text))
973 (spanner-placement . ,LEFT)
974 (stencil . ,ly:balloon-interface::print-spanner)
975 (text . ,(grob::calc-property-by-copy 'text))
978 (X-offset . ,(grob::calc-property-by-copy 'X-offset))
979 (Y-offset . ,(grob::calc-property-by-copy 'Y-offset))
980 (meta . ((class . Spanner)
981 (interfaces . (balloon-interface
983 footnote-spanner-interface
989 (after-line-breaking . ,ly:chord-name::after-line-breaking)
990 (fret-diagram-details . ((finger-code . below-string)))
991 (stencil . ,fret-board::calc-stencil)
992 (extra-spacing-height . (0.2 . -0.2))
993 (extra-spacing-width . (-0.5 . 0.5))
994 (Y-extent . ,grob::all-heights-from-stencil)
995 (meta . ((class . Item)
996 (interfaces . (chord-name-interface
998 fret-diagram-interface
999 rhythmic-grob-interface))))))
1004 (after-line-breaking . ,ly:spanner::kill-zero-spanned-time)
1005 (bound-details . ((right . ((attach-dir . ,LEFT)
1006 (end-on-accidental . #t)
1009 (left . ((attach-dir . ,RIGHT)
1013 (cross-staff . ,ly:line-spanner::calc-cross-staff)
1015 (left-bound-info . ,ly:line-spanner::calc-left-bound-info)
1016 (normalized-endpoints . ,ly:spanner::calc-normalized-endpoints)
1017 (right-bound-info . ,ly:line-spanner::calc-right-bound-info)
1019 (stencil . ,ly:line-spanner::print)
1021 (vertical-skylines . ,ly:grob::vertical-skylines-from-stencil)
1024 (zigzag-width . 0.75)
1025 (meta . ((class . Spanner)
1026 (interfaces . (glissando-interface
1028 line-spanner-interface
1029 unbreakable-spanner-interface))))))
1033 (common-shortest-duration . ,grace-spacing::calc-shortest-duration)
1034 (shortest-duration-space . 1.6)
1035 (spacing-increment . 0.8)
1036 (meta . ((class . Spanner)
1037 (interfaces . (grace-spacing-interface
1038 spacing-options-interface
1039 spanner-interface))))))
1044 (self-alignment-X . ,CENTER)
1045 (stencil . ,ly:grid-line-interface::print)
1046 (X-extent . ,ly:grid-line-interface::width)
1047 (X-offset . ,(ly:make-simple-closure
1049 ,(ly:make-simple-closure
1050 (list ly:self-alignment-interface::centered-on-x-parent))
1051 ,(ly:make-simple-closure
1052 (list ly:self-alignment-interface::x-aligned-on-self)))))
1053 (meta . ((class . Item)
1054 (interfaces . (grid-line-interface
1055 self-alignment-interface))))))
1059 (X-extent . (0 . 0))
1060 (Y-extent . (0 . 0))
1061 (meta . ((class . Item)
1062 (interfaces . (grid-point-interface))))))
1067 (after-line-breaking . ,ly:spanner::kill-zero-spanned-time)
1068 (bound-padding . 1.0)
1069 (broken-bound-padding . ,ly:hairpin::broken-bound-padding)
1071 (grow-direction . ,hairpin::calc-grow-direction)
1073 (minimum-length . 2.0)
1074 (self-alignment-Y . ,CENTER)
1075 (springs-and-rods . ,ly:spanner::set-spacing-rods)
1076 (stencil . ,ly:hairpin::print)
1079 (vertical-skylines . ,ly:grob::vertical-skylines-from-stencil)
1080 (Y-offset . ,ly:self-alignment-interface::y-aligned-on-self)
1081 (meta . ((class . Spanner)
1082 (interfaces . (dynamic-interface
1085 self-alignment-interface
1086 spanner-interface))))))
1090 (bracket-flare . (0.5 . 0.5))
1091 (connect-to-neighbor . ,ly:tuplet-bracket::calc-connect-to-neighbors)
1095 (staff-padding . 0.2)
1096 (stencil . ,ly:horizontal-bracket::print)
1098 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1099 (meta . ((class . Spanner)
1100 (interfaces . (horizontal-bracket-interface
1102 side-position-interface
1103 spanner-interface))))))
1110 (self-alignment-X . ,CENTER)
1111 (self-alignment-Y . ,CENTER)
1112 (stencil . ,system-start-text::print)
1113 (X-offset . ,system-start-text::calc-x-offset)
1114 (Y-offset . ,system-start-text::calc-y-offset)
1115 (meta . ((class . Spanner)
1116 (interfaces . (font-interface
1117 self-alignment-interface
1118 side-position-interface
1119 system-start-text-interface))))))
1124 (extra-spacing-width . (+inf.0 . -inf.0))
1125 (outside-staff-priority . 500)
1127 (self-alignment-X . ,LEFT)
1129 (staff-padding . 0.5)
1130 (stencil . ,ly:text-interface::print)
1131 (Y-extent . ,grob::all-heights-from-stencil)
1132 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1133 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1134 (meta . ((class . Item)
1135 (interfaces . (font-interface
1136 self-alignment-interface
1137 side-position-interface
1138 text-interface))))))
1143 (break-align-symbol . key-cancellation)
1144 (break-visibility . ,begin-of-line-invisible)
1145 (glyph-name-alist . ,cancellation-glyph-name-alist)
1147 (flat-positions . (2 3 4 2 1 2 1))
1148 (sharp-positions . (4 5 4 2 3 2 3))
1150 (time-signature . (extra-space . 1.25))
1151 (staff-bar . (extra-space . 0.6))
1152 (key-signature . (extra-space . 0.5))
1153 (cue-clef . (extra-space . 0.5))
1154 (right-edge . (extra-space . 0.5))
1155 (first-note . (fixed-space . 2.5))))
1156 (stencil . ,ly:key-signature-interface::print)
1157 (Y-extent . ,grob::all-heights-from-stencil)
1158 (vertical-skylines . ,ly:grob::vertical-skylines-from-stencil)
1159 (extra-spacing-width . (0.0 . 1.0))
1160 (extra-spacing-height . ,pure-from-neighbor-interface::extra-spacing-height-including-staff)
1161 (Y-offset . ,ly:staff-symbol-referencer::callback)
1162 (meta . ((class . Item)
1163 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
1164 (pure-relevant-grobs . ,ly:pure-from-neighbor-interface::calc-pure-relevant-grobs)))
1165 (interfaces . (break-aligned-interface
1167 key-cancellation-interface
1168 key-signature-interface
1169 pure-from-neighbor-interface
1170 staff-symbol-referencer-interface))))))
1174 (avoid-slur . inside)
1175 (break-align-anchor . ,ly:break-aligned-interface::calc-extent-aligned-anchor)
1176 (break-align-symbol . key-signature)
1177 (break-visibility . ,begin-of-line-visible)
1178 (glyph-name-alist . ,standard-alteration-glyph-name-alist)
1180 (flat-positions . (2 3 4 2 1 2 1))
1181 (sharp-positions . (4 5 4 2 3 2 3))
1183 (time-signature . (extra-space . 1.15))
1184 (staff-bar . (extra-space . 1.1))
1185 (cue-clef . (extra-space . 0.5))
1186 (right-edge . (extra-space . 0.5))
1187 (first-note . (fixed-space . 2.5))))
1188 (stencil . ,ly:key-signature-interface::print)
1189 (Y-extent . ,grob::all-heights-from-stencil)
1190 (extra-spacing-width . (0.0 . 1.0))
1191 (extra-spacing-height . ,pure-from-neighbor-interface::extra-spacing-height-including-staff)
1192 (vertical-skylines . ,ly:grob::vertical-skylines-from-stencil)
1193 (Y-offset . ,ly:staff-symbol-referencer::callback)
1194 (meta . ((class . Item)
1195 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
1196 (pure-relevant-grobs . ,ly:pure-from-neighbor-interface::calc-pure-relevant-grobs)))
1197 (interfaces . (break-aligned-interface
1199 key-signature-interface
1200 pure-from-neighbor-interface
1201 staff-symbol-referencer-interface))))))
1205 (springs-and-rods . ,ly:spanner::set-spacing-rods)
1206 (stencil . ,ly:kievan-ligature::print)
1208 (meta . ((class . Spanner)
1209 (interfaces . (font-interface
1210 kievan-ligature-interface))))))
1214 (control-points . ,ly:semi-tie::calc-control-points)
1215 (details . ((ratio . 0.333)
1216 (height-limit . 1.0)))
1217 (direction . ,ly:tie::calc-direction)
1218 (head-direction . ,LEFT)
1219 (stencil . ,laissez-vibrer::print)
1221 (extra-spacing-height . (-0.5 . 0.5))
1222 (vertical-skylines . ,ly:grob::vertical-skylines-from-stencil)
1223 (Y-extent . ,grob::all-heights-from-stencil)
1224 (meta . ((class . Item)
1225 (interfaces . (semi-tie-interface))))))
1227 (LaissezVibrerTieColumn
1229 (head-direction . ,ly:semi-tie-column::calc-head-direction)
1230 (positioning-done . ,ly:semi-tie-column::calc-positioning-done)
1233 (meta . ((class . Item)
1234 (interfaces . (semi-tie-column-interface))))))
1239 (length-fraction . 0.25)
1240 (minimum-length-fraction . 0.25)
1241 (springs-and-rods . ,ly:ledger-line-spanner::set-spacing-rods)
1242 (stencil . ,ly:ledger-line-spanner::print)
1243 (vertical-skylines . ,ly:grob::vertical-skylines-from-stencil)
1246 (meta . ((class . Spanner)
1247 (interfaces . (ledger-line-spanner-interface))))))
1251 (break-align-anchor . ,ly:break-aligned-interface::calc-extent-aligned-anchor)
1252 (break-align-symbol . left-edge)
1253 (break-visibility . ,center-invisible)
1255 (extra-spacing-height . (+inf.0 . -inf.0))
1257 (ambitus . (extra-space . 2.0))
1258 (breathing-sign . (minimum-space . 0.0))
1259 (cue-end-clef . (extra-space . 0.8))
1260 (clef . (extra-space . 0.8))
1261 (cue-clef . (extra-space . 0.8))
1262 (staff-bar . (extra-space . 0.0))
1263 (key-cancellation . (extra-space . 0.0))
1264 (key-signature . (extra-space . 0.8))
1265 (time-signature . (extra-space . 1.0))
1266 (custos . (extra-space . 0.0))
1267 (first-note . (fixed-space . 2.0))
1268 (right-edge . (extra-space . 0.0))
1270 (X-extent . (0 . 0))
1271 (meta . ((class . Item)
1272 (interfaces . (break-aligned-interface))))))
1276 ;; ugh. A ligature bracket is totally different from
1277 ;; a tuplet bracket.
1279 (bracket-visibility . #t)
1280 (connect-to-neighbor . ,ly:tuplet-bracket::calc-connect-to-neighbors)
1282 (edge-height . (0.7 . 0.7))
1284 (positions . ,ly:tuplet-bracket::calc-positions)
1285 (shorten-pair . (-0.2 . -0.2))
1286 (staff-padding . 0.25)
1287 (stencil . ,ly:tuplet-bracket::print)
1289 (X-positions . ,ly:tuplet-bracket::calc-x-positions)
1290 (meta . ((class . Spanner)
1291 (interfaces . (line-interface
1292 tuplet-bracket-interface))))))
1296 (minimum-length . 1.5)
1297 (stencil . ,ly:lyric-extender::print)
1298 (thickness . 0.8) ; line-thickness
1299 (Y-extent . (0 . 0))
1300 (meta . ((class . Spanner)
1301 (interfaces . (lyric-extender-interface
1302 lyric-interface))))))
1306 (after-line-breaking . ,ly:spanner::kill-zero-spanned-time)
1307 (dash-period . 10.0)
1310 (minimum-distance . 0.1)
1311 (minimum-length . 0.3)
1313 (springs-and-rods . ,ly:lyric-hyphen::set-spacing-rods)
1314 (stencil . ,ly:lyric-hyphen::print)
1315 (vertical-skylines . ,ly:grob::vertical-skylines-from-stencil)
1317 (Y-extent . (0 . 0))
1318 (meta . ((class . Spanner)
1319 (interfaces . (font-interface
1320 lyric-hyphen-interface
1322 spanner-interface))))))
1326 (minimum-distance . 0.45)
1328 (springs-and-rods . ,ly:lyric-hyphen::set-spacing-rods)
1331 (meta . ((class . Spanner)
1332 (interfaces . (lyric-hyphen-interface
1333 spanner-interface))))))
1337 (extra-spacing-width . (0.0 . 0.0))
1338 ;; Recede in height for purposes of note spacing,
1339 ;; so notes in melismata can be freely spaced above lyrics
1340 (extra-spacing-height . (0.2 . -0.2))
1341 (font-series . medium)
1343 (self-alignment-X . ,CENTER)
1344 (stencil . ,lyric-text::print)
1345 (text . ,(grob::calc-property-by-copy 'text))
1347 (skyline-horizontal-padding . 0.1)
1348 (vertical-skylines . ,ly:grob::vertical-skylines-from-stencil)
1349 (X-offset . ,ly:self-alignment-interface::aligned-on-x-parent)
1350 (Y-extent . ,grob::all-heights-from-stencil)
1351 (meta . ((class . Item)
1352 (interfaces . (font-interface
1353 lyric-syllable-interface
1354 rhythmic-grob-interface
1355 self-alignment-interface
1356 text-interface))))))
1362 (font-encoding . fetaText)
1364 (outside-staff-horizontal-padding . 0.5)
1365 (outside-staff-padding . 0.5)
1366 (outside-staff-priority . 750)
1367 (self-alignment-X . ,CENTER)
1369 (staff-padding . 0.5)
1370 (stencil . ,measure-counter-stencil)
1371 (meta . ((class . Spanner)
1372 (interfaces . (font-interface
1373 measure-counter-interface
1374 self-alignment-interface
1375 side-position-interface
1376 text-interface))))))
1385 (stencil . ,ly:measure-grouping::print)
1387 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1388 (meta . ((class . Spanner)
1389 (interfaces . (measure-grouping-interface
1390 side-position-interface))))))
1394 (neutral-direction . ,DOWN)
1395 (meta . ((class . Item)
1396 (interfaces . (melody-spanner-interface))))))
1400 (springs-and-rods . ,ly:spanner::set-spacing-rods)
1401 (stencil . ,ly:mensural-ligature::print)
1403 (meta . ((class . Spanner)
1404 (interfaces . (font-interface
1405 mensural-ligature-interface))))))
1409 (after-line-breaking . ,ly:side-position-interface::move-to-extremal-staff)
1410 (break-visibility . ,end-of-line-invisible)
1412 (extra-spacing-width . (+inf.0 . -inf.0))
1413 (outside-staff-horizontal-padding . 0.12)
1414 (outside-staff-priority . 1000)
1417 (stencil . ,ly:text-interface::print)
1418 (vertical-skylines . ,ly:grob::vertical-skylines-from-stencil)
1419 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1420 (X-offset . ,(ly:make-simple-closure
1422 ,(ly:make-simple-closure
1423 (list ly:break-alignable-interface::self-align-callback))
1424 ,(ly:make-simple-closure
1425 (list ly:self-alignment-interface::x-aligned-on-self)))))
1426 (self-alignment-X . ,LEFT)
1427 (break-align-symbols . (time-signature))
1428 (non-break-align-symbols . (multi-measure-rest-interface))
1429 (Y-extent . ,grob::all-heights-from-stencil)
1430 (meta . ((class . Item)
1431 (interfaces . (break-alignable-interface
1433 metronome-mark-interface
1434 self-alignment-interface
1435 side-position-interface
1436 text-interface))))))
1441 (hair-thickness . 2.0)
1442 (round-up-exceptions . ())
1444 (spacing-pair . (break-alignment . break-alignment))
1445 (springs-and-rods . ,ly:multi-measure-rest::set-spacing-rods)
1446 (stencil . ,ly:multi-measure-rest::print)
1447 (thick-thickness . 6.6)
1448 ;; See Wanske pp. 125
1449 (usable-duration-logs . ,(iota 4 -3))
1450 (Y-extent . ,ly:multi-measure-rest::height)
1451 (Y-offset . ,ly:staff-symbol-referencer::callback)
1452 (meta . ((class . Spanner)
1453 (interfaces . (font-interface
1454 multi-measure-interface
1455 multi-measure-rest-interface
1457 staff-symbol-referencer-interface))))))
1459 (MultiMeasureRestNumber
1461 (bound-padding . 2.0)
1463 (font-encoding . fetaText)
1465 (self-alignment-X . ,CENTER)
1467 (springs-and-rods . ,ly:multi-measure-rest::set-text-rods)
1468 (staff-padding . 0.4)
1469 (stencil . ,ly:text-interface::print)
1470 (X-offset . ,(ly:make-simple-closure
1472 ,(ly:make-simple-closure
1473 (list ly:self-alignment-interface::x-aligned-on-self))
1474 ,(ly:make-simple-closure
1475 (list ly:self-alignment-interface::x-centered-on-y-parent)))))
1476 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1477 (vertical-skylines . ,ly:grob::vertical-skylines-from-stencil)
1478 (Y-extent . ,grob::all-heights-from-stencil)
1479 (meta . ((class . Spanner)
1480 (interfaces . (font-interface
1481 multi-measure-interface
1482 self-alignment-interface
1483 side-position-interface
1484 text-interface))))))
1486 (MultiMeasureRestText
1489 (outside-staff-priority . 450)
1491 (self-alignment-X . ,CENTER)
1492 (staff-padding . 0.25)
1493 (stencil . ,ly:text-interface::print)
1494 (X-offset . ,(ly:make-simple-closure
1496 ,(ly:make-simple-closure
1497 (list ly:self-alignment-interface::x-centered-on-y-parent))
1498 ,(ly:make-simple-closure
1499 (list ly:self-alignment-interface::x-aligned-on-self)))))
1500 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1501 (vertical-skylines . ,ly:grob::vertical-skylines-from-stencil)
1502 (Y-extent . ,grob::all-heights-from-stencil)
1503 (meta . ((class . Spanner)
1504 (interfaces . (font-interface
1505 multi-measure-interface
1506 self-alignment-interface
1507 side-position-interface
1508 text-interface))))))
1511 (NonMusicalPaperColumn
1513 (allow-loose-spacing . #t)
1515 (before-line-breaking . ,ly:paper-column::before-line-breaking)
1516 (bound-alignment-interfaces . (break-alignment-interface))
1517 (full-measure-extra-space . 1.0)
1518 (horizontal-skylines . ,ly:separation-item::calc-skylines)
1519 ;; (stencil . ,ly:paper-column::print)
1521 (keep-inside-line . #t)
1522 (line-break-permission . allow)
1524 (page-break-permission . allow)
1526 ;; debugging stuff: print column number.
1527 ;; (font-size . -6) (font-name . "sans") (Y-extent . #f)
1529 (X-extent . ,ly:axis-group-interface::width)
1530 (meta . ((class . Paper_column)
1531 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
1532 (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)))
1533 (interfaces . (axis-group-interface
1535 paper-column-interface
1536 separation-item-interface
1537 spaceable-grob-interface))))))
1542 (positioning-done . ,ly:note-collision-interface::calc-positioning-done)
1543 (prefer-dotted-right . #t)
1544 (X-extent . ,ly:axis-group-interface::width)
1545 (Y-extent . ,ly:axis-group-interface::height)
1546 (meta . ((class . Item)
1547 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
1548 (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)))
1549 (interfaces . (axis-group-interface
1550 note-collision-interface))))))
1555 (bound-alignment-interfaces . (rhythmic-head-interface stem-interface))
1556 (cross-staff . ,ly:axis-group-interface::cross-staff)
1557 (horizontal-skylines . ,ly:separation-item::calc-skylines)
1558 (skyline-vertical-padding . 0.15)
1559 (X-extent . ,ly:axis-group-interface::width)
1560 (Y-extent . ,ly:axis-group-interface::height)
1561 (meta . ((class . Item)
1562 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
1563 (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)))
1564 (interfaces . (axis-group-interface
1565 note-column-interface
1566 separation-item-interface))))))
1571 (duration-log . ,note-head::calc-duration-log)
1572 (extra-spacing-height . ,ly:note-head::include-ledger-line-height)
1573 (glyph-name . ,note-head::calc-glyph-name)
1574 (ligature-flexa . #f)
1575 (stem-attachment . ,ly:note-head::calc-stem-attachment)
1576 (stencil . ,ly:note-head::print)
1577 (X-offset . ,ly:note-head::stem-x-shift)
1578 (Y-offset . ,ly:staff-symbol-referencer::callback)
1579 (Y-extent . ,grob::all-heights-from-stencil)
1580 (meta . ((class . Item)
1581 (interfaces . (font-interface
1582 gregorian-ligature-interface
1584 ligature-head-interface
1585 mensural-ligature-interface
1587 rhythmic-grob-interface
1588 rhythmic-head-interface
1589 staff-symbol-referencer-interface
1590 vaticana-ligature-interface))))))
1594 (stencil . ,ly:text-interface::print)
1595 (Y-extent . ,grob::all-heights-from-stencil)
1596 (meta . ((class . Item)
1597 (interfaces . (font-interface
1599 text-interface))))))
1603 ;; Changed this from 0.75.
1604 ;; If you ever change this back, please document! --hwn
1605 (knee-spacing-correction . 1.0)
1606 (same-direction-correction . 0.25)
1607 (space-to-barline . #t)
1608 (stem-spacing-correction . 0.5)
1609 (meta . ((class . Item)
1610 (interfaces . (note-spacing-interface
1611 spacing-interface))))))
1616 (break-visibility . ,inherit-x-parent-visibility)
1617 (font-shape . italic)
1619 (self-alignment-X . ,CENTER)
1620 (staff-padding . 0.2)
1621 (stencil . ,ly:text-interface::print)
1622 (X-offset . ,(ly:make-simple-closure
1624 ,(ly:make-simple-closure
1625 (list ly:self-alignment-interface::x-aligned-on-self))
1626 ,(ly:make-simple-closure
1627 (list ly:self-alignment-interface::centered-on-x-parent)))))
1628 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1629 (vertical-skylines . ,ly:grob::vertical-skylines-from-stencil)
1630 (Y-extent . ,grob::all-heights-from-stencil)
1631 (meta . ((class . Item)
1632 (interfaces . (font-interface
1633 octavate-eight-interface
1634 self-alignment-interface
1635 side-position-interface
1636 text-interface))))))
1640 (dash-fraction . 0.3)
1642 (edge-height . (0 . 1.2))
1643 (font-shape . italic)
1644 (minimum-length . 1.0)
1645 (outside-staff-priority . 400)
1647 (shorten-pair . (0.0 . -0.6))
1648 (staff-padding . 1.0)
1649 (stencil . ,ly:ottava-bracket::print)
1650 (style . dashed-line)
1651 (vertical-skylines . ,ly:grob::vertical-skylines-from-stencil)
1652 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1653 (meta . ((class . Spanner)
1654 (interfaces . (font-interface
1655 horizontal-bracket-interface
1657 ottava-bracket-interface
1658 side-position-interface
1659 text-interface))))))
1664 (allow-loose-spacing . #t)
1666 (before-line-breaking . ,ly:paper-column::before-line-breaking)
1667 (bound-alignment-interfaces . (note-column-interface))
1668 (horizontal-skylines . ,ly:separation-item::calc-skylines)
1669 (keep-inside-line . #t)
1670 ; 0.08 comes from spacing-horizontal-skyline.ly
1671 ; allows double flat of F to be nestled over dots of C
1672 (skyline-vertical-padding . 0.08)
1673 ;; (stencil . ,ly:paper-column::print)
1674 (X-extent . ,ly:axis-group-interface::width)
1677 ;; (font-size . -6) (font-name . "sans") (Y-extent . #f)
1678 (meta . ((class . Paper_column)
1679 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
1680 (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)))
1681 (interfaces . (axis-group-interface
1683 paper-column-interface
1684 separation-item-interface
1685 spaceable-grob-interface))))))
1691 (stencil . ,parentheses-item::print)
1692 (stencils . ,parentheses-item::calc-parenthesis-stencils)
1693 (meta . ((class . Item)
1694 (interfaces . (font-interface
1695 parentheses-interface))))))
1699 (dot-negative-kern . 0.75)
1700 (font-encoding . fetaMusic)
1702 (spacing-pair . (break-alignment . staff-bar))
1703 (springs-and-rods . ,ly:multi-measure-rest::set-spacing-rods)
1704 (stencil . ,ly:multi-measure-rest::percent)
1706 (meta . ((class . Spanner)
1707 (interfaces . (font-interface
1708 multi-measure-rest-interface
1709 percent-repeat-interface))))))
1711 (PercentRepeatCounter
1714 (font-encoding . fetaText)
1717 (self-alignment-X . ,CENTER)
1718 (staff-padding . 0.25)
1719 (stencil . ,ly:text-interface::print)
1720 (X-offset . ,(ly:make-simple-closure
1722 ,(ly:make-simple-closure
1723 (list ly:self-alignment-interface::x-centered-on-y-parent))
1724 ,(ly:make-simple-closure
1725 (list ly:self-alignment-interface::x-aligned-on-self)))))
1726 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1727 (Y-extent . ,grob::all-heights-from-stencil)
1728 (meta . ((class . Spanner)
1729 (interfaces . (font-interface
1730 percent-repeat-interface
1731 self-alignment-interface
1732 side-position-interface
1733 text-interface))))))
1737 (control-points . ,ly:slur::calc-control-points)
1738 (cross-staff . ,ly:slur::calc-cross-staff)
1739 (details . ,default-slur-details)
1740 (direction . ,ly:slur::calc-direction)
1741 (height-limit . 2.0)
1742 (minimum-length . 1.5)
1745 (springs-and-rods . ,ly:spanner::set-spacing-rods)
1746 (stencil . ,ly:slur::print)
1748 (vertical-skylines . ,ly:slur::vertical-skylines)
1749 (Y-extent . ,ly:slur::height)
1750 (meta . ((class . Spanner)
1751 (interfaces . (slur-interface))))))
1753 ;; an example of a text spanner
1756 (bound-padding . 1.0)
1757 (bracket-flare . (0.5 . 0.5))
1759 (edge-height . (1.0 . 1.0))
1760 (shorten-pair . (0.0 . 0.0))
1761 (stencil . ,ly:piano-pedal-bracket::print)
1764 (vertical-skylines . ,ly:grob::vertical-skylines-from-stencil)
1765 (meta . ((class . Spanner)
1766 (interfaces . (line-interface
1767 piano-pedal-bracket-interface
1768 piano-pedal-interface))))))
1773 (after-line-breaking . ,ly:side-position-interface::move-to-extremal-staff)
1775 (break-align-symbols . (staff-bar clef))
1776 (break-visibility . ,end-of-line-invisible)
1778 (extra-spacing-width . (+inf.0 . -inf.0))
1781 (outside-staff-horizontal-padding . 0.12)
1782 (outside-staff-priority . 1500)
1784 (self-alignment-X . ,CENTER)
1785 (stencil . ,ly:text-interface::print)
1786 (vertical-skylines . ,ly:grob::vertical-skylines-from-stencil)
1787 (X-offset . ,(ly:make-simple-closure
1789 ,(ly:make-simple-closure
1790 (list ly:break-alignable-interface::self-align-callback))
1791 ,(ly:make-simple-closure
1792 (list ly:self-alignment-interface::x-aligned-on-self)))))
1793 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1794 (Y-extent . ,grob::all-heights-from-stencil)
1795 (meta . ((class . Item)
1796 (interfaces . (break-alignable-interface
1799 self-alignment-interface
1800 side-position-interface
1801 text-interface))))))
1805 (slash-negative-kern . 0.85)
1807 (stencil . ,ly:percent-repeat-item-interface::beat-slash)
1808 (Y-extent . ,grob::all-heights-from-stencil)
1810 (meta . ((class . Item)
1811 (interfaces . (percent-repeat-interface
1812 percent-repeat-item-interface
1813 rhythmic-grob-interface))))))
1817 (control-points . ,ly:semi-tie::calc-control-points)
1818 (details . ((ratio . 0.333)
1819 (height-limit . 1.0)))
1820 (direction . ,ly:tie::calc-direction)
1821 (head-direction . ,RIGHT)
1822 (stencil . ,ly:tie::print)
1824 (extra-spacing-height . (-0.5 . 0.5))
1825 (vertical-skylines . ,ly:grob::vertical-skylines-from-stencil)
1826 (meta . ((class . Item)
1827 (interfaces . (semi-tie-interface))))))
1831 (direction . ,ly:tie::calc-direction)
1832 (head-direction . ,ly:semi-tie-column::calc-head-direction)
1833 (positioning-done . ,ly:semi-tie-column::calc-positioning-done)
1836 (meta . ((class . Item)
1837 (interfaces . (semi-tie-column-interface))))))
1841 (cross-staff . ,ly:rest::calc-cross-staff)
1842 (duration-log . ,stem::calc-duration-log)
1843 (minimum-distance . 0.25)
1844 (stencil . ,ly:rest::print)
1845 (X-extent . ,ly:rest::width)
1846 (Y-extent . ,ly:rest::height)
1847 (Y-offset . ,ly:rest::y-offset-callback)
1848 (vertical-skylines . ,ly:grob::vertical-skylines-from-stencil)
1849 (meta . ((class . Item)
1850 (interfaces . (font-interface
1852 rhythmic-grob-interface
1853 rhythmic-head-interface
1854 staff-symbol-referencer-interface))))))
1858 (minimum-distance . 0.75)
1859 (positioning-done . ,ly:rest-collision::calc-positioning-done)
1860 (meta . ((class . Item)
1861 (interfaces . (rest-collision-interface))))))
1866 (add-stem-support . #t)
1867 (cross-staff . ,ly:script-interface::calc-cross-staff)
1868 (direction . ,ly:script-interface::calc-direction)
1869 (font-encoding . fetaMusic)
1870 (positioning-done . ,ly:script-interface::calc-positioning-done)
1873 ;; padding set in script definitions.
1874 (slur-padding . 0.2)
1875 (staff-padding . 0.25)
1877 (stencil . ,ly:script-interface::print)
1878 (vertical-skylines . ,ly:grob::vertical-skylines-from-stencil)
1879 (Y-extent . ,grob::all-heights-from-stencil)
1880 (X-offset . ,script-interface::calc-x-offset)
1881 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1882 (meta . ((class . Item)
1883 (interfaces . (font-interface
1885 side-position-interface))))))
1889 (before-line-breaking . ,ly:script-column::before-line-breaking)
1890 (meta . ((class . Item)
1891 (interfaces . (script-column-interface))))))
1895 (before-line-breaking . ,ly:script-column::row-before-line-breaking)
1896 (meta . ((class . Item)
1897 (interfaces . (script-column-interface))))))
1901 (avoid-slur . inside)
1902 (control-points . ,ly:slur::calc-control-points)
1903 (cross-staff . ,ly:slur::calc-cross-staff)
1904 (details . ,default-slur-details)
1905 (direction . ,ly:slur::calc-direction)
1906 (height-limit . 2.0)
1907 (line-thickness . 0.8)
1908 (minimum-length . 1.5)
1911 (springs-and-rods . ,ly:spanner::set-spacing-rods)
1912 (stencil . ,ly:slur::print)
1914 (vertical-skylines . ,ly:slur::vertical-skylines)
1915 (Y-extent . ,ly:slur::height)
1916 (meta . ((class . Spanner)
1917 (interfaces . (slur-interface))))))
1921 (direction . ,RIGHT)
1922 (extra-spacing-width . (+inf.0 . -inf.0))
1923 (font-shape . italic)
1924 (padding . 0.0) ;; padding relative to SostenutoPedalLineSpanner
1925 (self-alignment-X . ,CENTER)
1926 (stencil . ,ly:text-interface::print)
1927 (vertical-skylines . ,ly:grob::vertical-skylines-from-stencil)
1928 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1929 (Y-extent . ,grob::all-heights-from-stencil)
1930 (meta . ((class . Item)
1931 (interfaces . (font-interface
1932 piano-pedal-script-interface
1933 self-alignment-interface
1934 text-interface))))))
1936 (SostenutoPedalLineSpanner
1939 (cross-staff . ,ly:side-position-interface::calc-cross-staff)
1941 (minimum-space . 1.0)
1942 (outside-staff-priority . 1000)
1945 (staff-padding . 1.0)
1946 (vertical-skylines . ,ly:grob::vertical-skylines-from-element-stencils)
1947 (X-extent . ,ly:axis-group-interface::width)
1948 (Y-extent . ,ly:axis-group-interface::height)
1949 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1950 (meta . ((class . Spanner)
1951 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
1952 (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)))
1953 (interfaces . (axis-group-interface
1954 piano-pedal-interface
1955 side-position-interface))))))
1959 (average-spacing-wishes . #t)
1960 (base-shortest-duration . ,(ly:make-moment 3 16))
1961 (common-shortest-duration . ,ly:spacing-spanner::calc-common-shortest-duration)
1962 (shortest-duration-space . 2.0)
1963 (spacing-increment . 1.2)
1964 (springs-and-rods . ,ly:spacing-spanner::set-springs)
1965 (meta . ((class . Spanner)
1966 (interfaces . (spacing-options-interface
1967 spacing-spanner-interface))))))
1971 (allow-span-bar . #t)
1972 (bar-extent . ,ly:axis-group-interface::height)
1973 (before-line-breaking . ,ly:span-bar::before-line-breaking)
1974 (break-align-symbol . staff-bar)
1976 (glyph-name . ,ly:span-bar::calc-glyph-name)
1979 (stencil . ,ly:span-bar::print)
1980 (X-extent . ,ly:span-bar::width)
1981 (Y-extent . (+inf.0 . -inf.0))
1982 (meta . ((class . Item)
1983 (interfaces . (bar-line-interface
1985 span-bar-interface))))))
1989 (X-extent . ,grob::x-parent-width)
1990 (extra-spacing-height . ,pure-from-neighbor-interface::extra-spacing-height)
1992 (meta . ((class . Item)
1993 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
1994 (pure-relevant-grobs . ,ly:pure-from-neighbor-interface::calc-pure-relevant-grobs)))
1995 (interfaces . (pure-from-neighbor-interface))))))
1999 (staff-staff-spacing . ((basic-distance . 9)
2000 (minimum-distance . 7)
2002 (stretchability . 5)))
2003 (staffgroup-staff-spacing . ((basic-distance . 10.5)
2004 (minimum-distance . 8)
2006 (stretchability . 9)))
2007 (meta . ((class . Spanner)
2008 (interfaces . (staff-grouper-interface))))))
2013 (stem-spacing-correction . 0.4)
2014 (meta . ((class . Item)
2015 (interfaces . (spacing-interface
2016 staff-spacing-interface))))))
2021 (ledger-line-thickness . (1.0 . 0.1))
2023 (stencil . ,ly:staff-symbol::print)
2024 (Y-extent . ,ly:staff-symbol::height)
2025 (meta . ((class . Spanner)
2026 (interfaces . (staff-symbol-interface))))))
2031 (font-series . bold)
2034 (stencil . ,ly:text-interface::print)
2035 (X-offset . ,ly:side-position-interface::x-aligned-side)
2036 (Y-extent . ,grob::all-heights-from-stencil)
2037 (meta . ((class . Item)
2038 (interfaces . (font-interface
2039 side-position-interface
2040 stanza-number-interface
2041 text-interface))))))
2045 (beamlet-default-length . (1.1 . 1.1))
2046 (beamlet-max-length-proportion . (0.75 . 0.75))
2047 (cross-staff . ,ly:stem::calc-cross-staff)
2048 (default-direction . ,ly:stem::calc-default-direction)
2051 ;; 3.5 (or 3 measured from note head) is standard length
2052 ;; 32nd, 64th, 128th flagged stems should be longer
2053 (lengths . (3.5 3.5 3.5 4.25 5.0 6.0))
2055 ;; FIXME. 3.5 yields too long beams (according to Ross and
2056 ;; looking at Baerenreiter examples) for a number of common
2057 ;; boundary cases. Subtracting half a beam thickness fixes
2058 ;; this, but the bug may well be somewhere else.
2060 ;; FIXME this should come from 'lengths
2061 (beamed-lengths . (3.26 3.5 3.6))
2063 ;; The 'normal' minima
2064 (beamed-minimum-free-lengths . (1.83 1.5 1.25))
2065 ;(beamed-minimum-free-lengths . (2.0 1.83 1.25))
2067 ;; The 'extreme case' minima
2068 (beamed-extreme-minimum-free-lengths . (2.0 1.25))
2070 ;; Stems in unnatural (forced) direction should be shortened by
2071 ;; one staff space, according to [Roush & Gourlay].
2072 ;; Flagged stems we shorten only half a staff space.
2073 (stem-shorten . (1.0 0.5))
2077 ;; We use the normal minima as minimum for the ideal lengths,
2078 ;; and the extreme minima as abolute minimum length.
2080 (direction . ,ly:stem::calc-direction)
2081 (duration-log . ,stem::calc-duration-log)
2082 (length . ,ly:stem::calc-length)
2083 (neutral-direction . ,DOWN)
2084 (positioning-done . ,ly:stem::calc-positioning-done)
2085 (stem-info . ,ly:stem::calc-stem-info)
2086 (stem-begin-position . ,ly:stem::calc-stem-begin-position)
2087 (stencil . ,ly:stem::print)
2089 (X-extent . ,ly:stem::width)
2090 (X-offset . ,ly:stem::offset-callback)
2091 (Y-extent . ,ly:stem::height)
2092 (Y-offset . ,ly:staff-symbol-referencer::callback)
2093 (meta . ((class . Item)
2094 (interfaces . (stem-interface))))))
2098 (X-extent . ,stem-stub::width)
2099 (extra-spacing-height . ,stem-stub::extra-spacing-height)
2100 (Y-extent . ,(ly:make-unpure-pure-container #f stem-stub::pure-height))
2101 (meta . ((class . Item)
2102 (interfaces . ())))))
2106 (beam-thickness . 0.48) ; staff-space
2107 (beam-width . ,ly:stem-tremolo::calc-width) ; staff-space
2108 (direction . ,ly:stem-tremolo::calc-direction)
2109 (slope . ,ly:stem-tremolo::calc-slope)
2110 (stencil . ,ly:stem-tremolo::print)
2111 (style . ,ly:stem-tremolo::calc-style)
2112 (X-extent . ,ly:stem-tremolo::width)
2113 (X-offset . ,(ly:make-simple-closure
2115 ,(ly:make-simple-closure
2116 (list ly:self-alignment-interface::centered-on-x-parent))
2117 ,(ly:make-simple-closure
2118 (list ly:self-alignment-interface::x-aligned-on-self)))))
2119 (Y-offset . ,ly:stem-tremolo::calc-y-offset)
2120 (meta . ((class . Item)
2121 (interfaces . (self-alignment-interface
2122 stem-tremolo-interface))))))
2126 (avoid-slur . around)
2127 (cross-staff . ,script-or-side-position-cross-staff)
2128 (font-encoding . fetaText)
2129 (font-size . -5) ; don't overlap when next to heads.
2131 (script-priority . 100)
2132 (self-alignment-X . ,CENTER)
2133 (self-alignment-Y . ,CENTER)
2134 (staff-padding . 0.5)
2135 (stencil . ,print-circled-text-callback)
2136 (text . ,string-number::calc-text)
2137 (Y-extent . ,grob::all-heights-from-stencil)
2138 (meta . ((class . Item)
2139 (interfaces . (font-interface
2140 self-alignment-interface
2141 side-position-interface
2142 string-number-interface
2144 text-script-interface))))))
2148 (digit-names . #("p" "i" "m" "a" "x"))
2149 (font-shape . italic)
2150 (font-size . -4) ; don't overlap when next to heads.
2152 (script-priority . 100)
2153 (self-alignment-X . ,CENTER)
2154 (self-alignment-Y . ,CENTER)
2155 (staff-padding . 0.5)
2156 (stencil . ,ly:text-interface::print)
2157 (text . ,stroke-finger::calc-text)
2158 (Y-extent . ,grob::all-heights-from-stencil)
2159 (meta . ((class . Item)
2160 (interfaces . (font-interface
2161 self-alignment-interface
2162 side-position-interface
2163 stroke-finger-interface
2165 text-script-interface))))))
2169 (direction . ,RIGHT)
2170 (extra-spacing-width . (+inf.0 . -inf.0))
2171 (padding . 0.0) ;; padding relative to SustainPedalLineSpanner
2172 (self-alignment-X . ,CENTER)
2173 (stencil . ,ly:sustain-pedal::print)
2174 (vertical-skylines . ,ly:grob::vertical-skylines-from-stencil)
2175 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
2176 (Y-extent . ,grob::all-heights-from-stencil)
2177 (meta . ((class . Item)
2178 (interfaces . (font-interface
2179 piano-pedal-interface
2180 piano-pedal-script-interface
2181 self-alignment-interface
2182 text-interface))))))
2184 (SustainPedalLineSpanner
2187 (cross-staff . ,ly:side-position-interface::calc-cross-staff)
2189 (minimum-space . 1.0)
2190 (outside-staff-priority . 1000)
2193 (staff-padding . 1.2)
2194 (vertical-skylines . ,ly:grob::vertical-skylines-from-element-stencils)
2195 (X-extent . ,ly:axis-group-interface::width)
2196 (Y-extent . ,ly:axis-group-interface::height)
2197 (Y-offset . ,ly:side-position-interface::y-aligned-side)
2198 (meta . ((class . Spanner)
2199 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
2200 (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)))
2201 (interfaces . (axis-group-interface
2202 piano-pedal-interface
2203 side-position-interface))))))
2207 (adjacent-pure-heights . ,ly:axis-group-interface::adjacent-pure-heights)
2209 (outside-staff-placement-directive . left-to-right-polite)
2210 (skyline-horizontal-padding . 1.0)
2211 (vertical-skylines . ,ly:axis-group-interface::calc-skylines)
2212 (X-extent . ,ly:axis-group-interface::width)
2213 (Y-extent . ,ly:system::height)
2214 (meta . ((class . System)
2215 (object-callbacks . ((footnotes-before-line-breaking . ,ly:system::footnotes-before-line-breaking)
2216 (footnotes-after-line-breaking . ,ly:system::footnotes-after-line-breaking)
2217 (pure-relevant-grobs . ,ly:system::calc-pure-relevant-grobs)
2218 (pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
2219 (vertical-skyline-elements . ,ly:system::vertical-skyline-elements)
2220 (vertical-alignment . ,ly:system::get-vertical-alignment)))
2221 (interfaces . (axis-group-interface
2222 system-interface))))))
2226 (collapse-height . 5.0)
2230 (padding . -0.1) ;; bar must cover rounded ending of staff line.
2231 (stencil . ,ly:system-start-delimiter::print)
2234 (X-offset . ,ly:side-position-interface::x-aligned-side)
2236 (meta . ((class . Spanner)
2237 (interfaces . (side-position-interface
2238 system-start-delimiter-interface))))))
2242 (collapse-height . 5.0)
2244 (font-encoding . fetaBraces)
2246 (stencil . ,ly:system-start-delimiter::print)
2248 (X-offset . ,ly:side-position-interface::x-aligned-side)
2250 (meta . ((class . Spanner)
2251 (interfaces . (font-interface
2252 side-position-interface
2253 system-start-delimiter-interface))))))
2257 (collapse-height . 5.0)
2260 (stencil . ,ly:system-start-delimiter::print)
2263 (X-offset . ,ly:side-position-interface::x-aligned-side)
2265 (meta . ((class . Spanner)
2266 (interfaces . (font-interface
2267 side-position-interface
2268 system-start-delimiter-interface))))))
2273 (stencil . ,ly:system-start-delimiter::print)
2274 (style . line-bracket)
2276 (X-offset . ,ly:side-position-interface::x-aligned-side)
2278 (meta . ((class . Spanner)
2279 (interfaces . (font-interface
2280 side-position-interface
2281 system-start-delimiter-interface))))))
2286 (details . ((cautionary-properties . ((angularity . 0.4)
2287 (half-thickness . 0.075)
2289 (procedure . ,parenthesize-stencil)
2292 (harmonic-properties . ((angularity . 2)
2293 (half-thickness . 0.075)
2295 (procedure . ,parenthesize-stencil)
2297 (repeat-tied-properties . ((note-head-visible . #t)
2298 (parenthesize . #t)))
2299 (tied-properties . ((break-visibility . ,begin-of-line-visible)
2300 (parenthesize . #t)))))
2302 (direction . ,CENTER)
2303 (duration-log . ,note-head::calc-duration-log)
2304 (font-series . bold)
2306 (stem-attachment . (0.0 . 1.35))
2307 (stencil . ,tab-note-head::print)
2309 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
2310 (Y-offset . ,ly:staff-symbol-referencer::callback)
2311 (Y-extent . ,grob::all-heights-from-stencil)
2312 (meta . ((class . Item)
2313 (interfaces . (font-interface
2315 rhythmic-grob-interface
2316 rhythmic-head-interface
2317 staff-symbol-referencer-interface
2318 tab-note-head-interface
2319 text-interface))))))
2323 (avoid-slur . around)
2324 (cross-staff . ,script-or-side-position-cross-staff)
2326 (extra-spacing-width . (+inf.0 . -inf.0))
2327 (outside-staff-horizontal-padding . 0.12)
2328 (outside-staff-priority . 450)
2330 ;; sync with Fingering ?
2333 (script-priority . 200)
2335 (slur-padding . 0.5)
2336 (staff-padding . 0.5)
2337 (stencil . ,ly:text-interface::print)
2338 (vertical-skylines . ,ly:grob::vertical-skylines-from-stencil)
2339 ;; todo: add X self alignment?
2340 (Y-extent . ,grob::all-heights-from-stencil)
2341 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
2342 (Y-offset . ,ly:side-position-interface::y-aligned-side)
2343 (meta . ((class . Item)
2344 (interfaces . (font-interface
2345 instrument-specific-markup-interface
2346 self-alignment-interface
2347 side-position-interface
2349 text-script-interface))))))
2353 (bound-details . ((left . ((Y . 0)
2355 (attach-dir . ,LEFT)
2357 (left-broken . ((attach-dir . ,RIGHT)))
2362 (dash-fraction . 0.2)
2365 (font-shape . italic)
2366 (left-bound-info . ,ly:line-spanner::calc-left-bound-info)
2367 (outside-staff-priority . 350)
2368 (right-bound-info . ,ly:line-spanner::calc-right-bound-info)
2370 (staff-padding . 0.8)
2371 (stencil . ,ly:line-spanner::print)
2372 (style . dashed-line)
2373 (Y-offset . ,ly:side-position-interface::y-aligned-side)
2375 (meta . ((class . Spanner)
2376 (interfaces . (font-interface
2378 line-spanner-interface
2379 side-position-interface))))))
2383 (avoid-slur . inside)
2384 (control-points . ,ly:tie::calc-control-points)
2386 ;; for a full list, see tie-details.cc
2388 (center-staff-line-clearance . 0.6)
2389 (tip-staff-line-clearance . 0.45)
2390 (note-head-gap . 0.2)
2392 (height-limit . 1.0)
2393 (horizontal-distance-penalty-factor . 10)
2394 (same-dir-as-stem-penalty . 8)
2395 (min-length-penalty-factor . 26)
2396 (tie-tie-collision-distance . 0.45)
2397 (tie-tie-collision-penalty . 25.0)
2398 (intra-space-threshold . 1.25)
2399 (outer-tie-vertical-distance-symmetry-penalty-factor . 10)
2400 (outer-tie-length-symmetry-penalty-factor . 10)
2401 (vertical-distance-penalty-factor . 7)
2402 (outer-tie-vertical-gap . 0.25)
2403 (multi-tie-region-size . 3)
2404 (single-tie-region-size . 4)
2405 (between-length-limit . 1.0)))
2407 (direction . ,ly:tie::calc-direction)
2409 (line-thickness . 0.8)
2410 (neutral-direction . ,UP)
2411 (springs-and-rods . ,ly:spanner::set-spacing-rods)
2412 (stencil . ,ly:tie::print)
2413 (vertical-skylines . ,ly:grob::vertical-skylines-from-stencil)
2415 (meta . ((class . Spanner)
2416 (interfaces . (tie-interface))))))
2420 (before-line-breaking . ,ly:tie-column::before-line-breaking)
2421 (positioning-done . ,ly:tie-column::calc-positioning-done)
2424 (meta . ((class . Spanner)
2425 (interfaces . (tie-column-interface))))))
2429 (avoid-slur . inside)
2431 . ,ly:break-aligned-interface::calc-extent-aligned-anchor)
2432 (break-align-symbol . time-signature)
2433 (break-align-anchor-alignment . ,LEFT)
2434 (break-visibility . ,all-visible)
2435 (extra-spacing-height . ,pure-from-neighbor-interface::extra-spacing-height-including-staff)
2436 (extra-spacing-width . (0.0 . 0.8))
2439 (cue-clef . (extra-space . 1.5))
2440 (first-note . (fixed-space . 2.0))
2441 (right-edge . (extra-space . 0.5))
2442 (staff-bar . (minimum-space . 2.0))))
2443 (stencil . ,ly:time-signature::print)
2444 (Y-extent . ,grob::all-heights-from-stencil)
2446 (meta . ((class . Item)
2447 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
2448 (pure-relevant-grobs . ,ly:pure-from-neighbor-interface::calc-pure-relevant-grobs)))
2449 (interfaces . (break-aligned-interface
2451 pure-from-neighbor-interface
2452 time-signature-interface))))))
2454 (TrillPitchAccidental
2458 (glyph-name-alist . ,standard-alteration-glyph-name-alist)
2461 (stencil . ,ly:accidental-interface::print)
2462 (X-offset . ,ly:side-position-interface::x-aligned-side)
2463 (Y-extent . ,ly:accidental-interface::height)
2464 (meta . ((class . Item)
2465 (interfaces . (accidental-interface
2467 inline-accidental-interface
2468 side-position-interface
2469 trill-pitch-accidental-interface))))))
2474 (direction . ,RIGHT)
2478 (stencil . ,parenthesize-elements)
2479 (stencils . ,parentheses-item::calc-parenthesis-stencils)
2480 (X-offset . ,ly:side-position-interface::x-aligned-side)
2481 (Y-extent . ,grob::all-heights-from-stencil)
2482 (meta . ((class . Item)
2483 (interfaces . (axis-group-interface
2486 parentheses-interface
2487 side-position-interface))))))
2493 (stencil . ,ly:note-head::print)
2494 (Y-offset . ,ly:staff-symbol-referencer::callback)
2495 (Y-extent . ,grob::all-heights-from-stencil)
2496 (meta . ((class . Item)
2497 (interfaces . (font-interface
2499 pitched-trill-interface
2500 rhythmic-head-interface
2501 staff-symbol-referencer-interface))))))
2505 (after-line-breaking . ,ly:spanner::kill-zero-spanned-time)
2506 (bound-details . ((left . ((text . ,(make-musicglyph-markup "scripts.trill"))
2508 (stencil-offset . (-0.5 . -1))
2510 (attach-dir . ,CENTER)
2512 (left-broken . ((end-on-note . #t)))
2516 (left-bound-info . ,ly:line-spanner::calc-left-bound-info)
2517 (outside-staff-priority . 50)
2519 (right-bound-info . ,ly:line-spanner::calc-right-bound-info)
2521 (staff-padding . 1.0)
2522 (stencil . ,ly:line-spanner::print)
2524 (Y-offset . ,ly:side-position-interface::y-aligned-side)
2525 (meta . ((class . Spanner)
2526 (interfaces . (font-interface
2528 line-spanner-interface
2529 side-position-interface
2530 trill-spanner-interface))))))
2534 (avoid-scripts . #t)
2535 (connect-to-neighbor . ,ly:tuplet-bracket::calc-connect-to-neighbors)
2536 (cross-staff . ,ly:tuplet-bracket::calc-cross-staff)
2537 (direction . ,ly:tuplet-bracket::calc-direction)
2538 (edge-height . (0.7 . 0.7))
2539 (full-length-to-extent . #t)
2541 (positions . ,ly:tuplet-bracket::calc-positions)
2542 (shorten-pair . (-0.2 . -0.2))
2543 (staff-padding . 0.25)
2544 (stencil . ,ly:tuplet-bracket::print)
2546 (vertical-skylines . ,ly:grob::vertical-skylines-from-stencil)
2547 (X-positions . ,ly:tuplet-bracket::calc-x-positions)
2549 (meta . ((class . Spanner)
2550 (interfaces . (line-interface
2551 tuplet-bracket-interface))))))
2555 (avoid-slur . inside)
2556 (cross-staff . ,ly:tuplet-number::calc-cross-staff)
2557 (direction . ,tuplet-number::calc-direction)
2558 (font-shape . italic)
2560 (stencil . ,ly:tuplet-number::print)
2561 (text . ,tuplet-number::calc-denominator-text)
2562 (X-offset . ,ly:tuplet-number::calc-x-offset)
2563 (Y-offset . ,ly:tuplet-number::calc-y-offset)
2564 (meta . ((class . Spanner)
2565 (interfaces . (font-interface
2567 tuplet-number-interface))))))
2572 (direction . ,RIGHT)
2573 (extra-spacing-width . (+inf.0 . -inf.0))
2574 (font-shape . italic)
2575 (padding . 0.0) ;; padding relative to UnaCordaPedalLineSpanner
2576 (self-alignment-X . ,CENTER)
2577 (stencil . ,ly:text-interface::print)
2578 (vertical-skylines . ,ly:grob::vertical-skylines-from-stencil)
2579 (Y-extent . ,grob::all-heights-from-stencil)
2580 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
2581 (meta . ((class . Item)
2582 (interfaces . (font-interface
2583 piano-pedal-script-interface
2584 self-alignment-interface
2585 text-interface))))))
2587 (UnaCordaPedalLineSpanner
2590 (cross-staff . ,ly:side-position-interface::calc-cross-staff)
2592 (minimum-space . 1.0)
2593 (outside-staff-priority . 1000)
2596 (staff-padding . 1.2)
2597 (vertical-skylines . ,ly:grob::vertical-skylines-from-element-stencils)
2598 (X-extent . ,ly:axis-group-interface::width)
2599 (Y-extent . ,ly:axis-group-interface::height)
2600 (Y-offset . ,ly:side-position-interface::y-aligned-side)
2601 (meta . ((class . Spanner)
2602 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
2603 (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)))
2604 (interfaces . (axis-group-interface
2605 piano-pedal-interface
2606 side-position-interface))))))
2612 (stencil . ,ly:vaticana-ligature::print)
2614 (meta . ((class . Spanner)
2615 (interfaces . (font-interface
2616 vaticana-ligature-interface))))))
2621 (positioning-done . ,ly:align-interface::align-to-ideal-distances)
2623 (vertical-skylines . ,ly:axis-group-interface::combine-skylines)
2624 (X-extent . ,ly:axis-group-interface::width)
2625 (Y-extent . ,ly:axis-group-interface::height)
2626 (meta . ((class . Spanner)
2627 (object-callbacks . ((Y-common . ,ly:axis-group-interface::calc-y-common)
2628 (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)
2629 (pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)))
2630 (interfaces . (align-interface
2631 axis-group-interface))))))
2635 (adjacent-pure-heights . ,ly:axis-group-interface::adjacent-pure-heights)
2637 (default-staff-staff-spacing . ((basic-distance . 9)
2638 (minimum-distance . 8)
2640 (nonstaff-unrelatedstaff-spacing . ((padding . 0.5)))
2641 (outside-staff-placement-directive . left-to-right-polite)
2642 (staff-staff-spacing . ,ly:axis-group-interface::calc-staff-staff-spacing)
2643 (stencil . ,ly:axis-group-interface::print)
2644 (skyline-horizontal-padding . 0.1)
2645 (vertical-skylines . ,ly:hara-kiri-group-spanner::calc-skylines)
2646 (X-extent . ,ly:axis-group-interface::width)
2647 (Y-extent . ,ly:hara-kiri-group-spanner::y-extent)
2648 (Y-offset . ,ly:hara-kiri-group-spanner::force-hara-kiri-callback)
2649 (meta . ((class . Spanner)
2650 (object-callbacks . (
2651 (X-common . ,ly:axis-group-interface::calc-x-common)
2652 (pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
2653 (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)))
2655 (interfaces . (axis-group-interface
2656 hara-kiri-group-spanner-interface))))))
2660 (after-line-breaking . ,ly:spanner::kill-zero-spanned-time)
2661 (bound-details . ((right . ((attach-dir . ,CENTER)
2664 (left . ((attach-dir . ,CENTER)
2670 (left-bound-info . ,ly:line-spanner::calc-left-bound-info)
2672 (right-bound-info . ,ly:line-spanner::calc-right-bound-info)
2673 (stencil . ,ly:line-spanner::print)
2677 (meta . ((class . Spanner)
2678 (interfaces . (line-interface
2679 line-spanner-interface))))))
2684 (edge-height . (2.0 . 2.0)) ;; staff-space;
2685 (font-encoding . fetaText)
2687 (shorten-pair . ,ly:volta-bracket::calc-shorten-pair)
2688 (stencil . ,ly:volta-bracket-interface::print)
2689 (thickness . 1.6) ;; line-thickness
2691 (vertical-skylines . ,ly:grob::vertical-skylines-from-stencil)
2692 (meta . ((class . Spanner)
2693 (interfaces . (font-interface
2694 horizontal-bracket-interface
2696 side-position-interface
2698 volta-bracket-interface
2699 volta-interface))))))
2701 (VoltaBracketSpanner
2703 (after-line-breaking . ,ly:side-position-interface::move-to-extremal-staff)
2707 (outside-staff-priority . 600)
2710 (vertical-skylines . ,ly:grob::vertical-skylines-from-element-stencils)
2711 (X-extent . ,ly:axis-group-interface::width)
2712 (Y-extent . ,ly:axis-group-interface::height)
2713 (Y-offset . ,ly:side-position-interface::y-aligned-side)
2714 (meta . ((class . Spanner)
2715 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
2716 (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)))
2717 (interfaces . (axis-group-interface
2718 side-position-interface
2719 volta-interface))))))
2723 (define (completize-grob-entry x)
2724 "Transplant assoc key into 'name entry of 'meta of X. Set interfaces for Item, Spanner etc.
2726 ;; (display (car x))
2728 (let* ((name-sym (car x))
2729 (grob-entry (cdr x))
2730 (meta-entry (assoc-get 'meta grob-entry))
2731 (class (assoc-get 'class meta-entry))
2733 (assoc-get 'interfaces meta-entry)))
2737 (set! ifaces-entry (cons 'item-interface ifaces-entry)))
2738 ((eq? 'Spanner class)
2739 (set! ifaces-entry (cons 'spanner-interface ifaces-entry)))
2740 ((eq? 'Paper_column class)
2741 (set! ifaces-entry (cons 'item-interface
2742 (cons 'paper-column-interface ifaces-entry))))
2743 ((eq? 'System class)
2744 (set! ifaces-entry (cons 'system-interface
2745 (cons 'spanner-interface ifaces-entry))))
2747 (ly:warning "Unknown class ~a" class)))
2749 (set! ifaces-entry (uniq-list (sort ifaces-entry symbol<?)))
2750 (set! ifaces-entry (cons 'grob-interface ifaces-entry))
2752 (set! meta-entry (assoc-set! meta-entry 'name name-sym))
2753 (set! meta-entry (assoc-set! meta-entry 'interfaces
2755 (set! grob-entry (assoc-set! grob-entry 'meta meta-entry))
2756 (cons name-sym grob-entry)))
2758 (set! all-grob-descriptions (map completize-grob-entry all-grob-descriptions))
2760 ;; (display (map pair? all-grob-descriptions))
2762 ;; make sure that \property Foo.Bar =\turnOff doesn't complain
2765 ;; (display (car x)) (newline)
2767 (set-object-property! (car x) 'translation-type? list?)
2768 (set-object-property! (car x) 'is-grob? #t))
2769 all-grob-descriptions)
2771 (set! all-grob-descriptions (sort all-grob-descriptions alist<?))
2773 (define (volta-bracket-interface::pure-height grob start end)
2774 (let ((edge-height (ly:grob-property grob 'edge-height)))
2775 (if (number-pair? edge-height)
2776 (let ((smaller (min (car edge-height) (cdr edge-height)))
2777 (larger (max (car edge-height) (cdr edge-height))))
2778 (interval-union '(0 . 0) (cons smaller larger)))
2781 ;; Sometimes we have grobs with (Y-extent . ,ly:grob::stencil-height)
2782 ;; and the print function is not pure, but there is a easy way to
2783 ;; figure out the Y-extent from the print function.
2784 (define pure-print-to-height-conversions
2786 (,ly:arpeggio::print . ,ly:arpeggio::pure-height)
2787 (,ly:arpeggio::brew-chord-bracket . ,ly:arpeggio::pure-height)
2788 (,ly:arpeggio::brew-chord-slur . ,ly:arpeggio::pure-height)
2789 (,ly:hairpin::print . ,ly:hairpin::pure-height)
2790 (,ly:stem-tremolo::print . ,ly:stem-tremolo::pure-height)
2791 (,ly:volta-bracket-interface::print . ,volta-bracket-interface::pure-height)))
2793 ;; ly:grob::stencil-extent is safe if the print callback is safe too
2794 (define (pure-stencil-height grob start stop)
2795 (let* ((sten (ly:grob-property-data grob 'stencil))
2796 (pure-height-callback (assoc-get sten pure-print-to-height-conversions)))
2797 (cond ((ly:stencil? sten)
2798 (ly:grob::stencil-height grob))
2799 ((procedure? pure-height-callback)
2800 (pure-height-callback grob start stop))
2804 ;; Sometimes, a pure callback will be chained to a non-pure callback via
2805 ;; chain_offset_callback, in which case this provides a default by simply
2806 ;; passing through the value from the pure callback.
2807 (define (pure-chain-offset-callback grob start end prev-offset) prev-offset)
2809 (define pure-conversions-alist
2811 (,ly:accidental-interface::height . ,ly:accidental-interface::pure-height)
2812 (,ly:axis-group-interface::calc-staff-staff-spacing . ,ly:axis-group-interface::calc-pure-staff-staff-spacing)
2813 (,ly:axis-group-interface::height . ,ly:axis-group-interface::pure-height)
2814 (,ly:beam::rest-collision-callback . ,ly:beam::pure-rest-collision-callback)
2815 (,ly:flag::calc-y-offset . ,ly:flag::pure-calc-y-offset)
2816 (,ly:grob::horizontal-skylines-from-stencil . ,ly:grob::pure-simple-horizontal-skylines-from-extents)
2817 (,ly:grob::horizontal-skylines-from-element-stencils . ,ly:grob::pure-simple-horizontal-skylines-from-extents)
2818 (,ly:grob::simple-horizontal-skylines-from-extents . ,ly:grob::pure-simple-horizontal-skylines-from-extents)
2819 (,ly:grob::simple-vertical-skylines-from-extents . ,ly:grob::pure-simple-vertical-skylines-from-extents)
2820 (,ly:grob::stencil-height . ,pure-stencil-height)
2821 (,ly:grob::vertical-skylines-from-stencil . ,ly:grob::pure-simple-vertical-skylines-from-extents)
2822 (,ly:grob::vertical-skylines-from-element-stencils . ,ly:grob::pure-simple-vertical-skylines-from-extents)
2823 (,ly:hara-kiri-group-spanner::y-extent . ,ly:hara-kiri-group-spanner::pure-height)
2824 (,ly:rest-collision::force-shift-callback-rest . ,pure-chain-offset-callback)
2825 (,ly:rest::height . ,ly:rest::pure-height)
2826 (,ly:self-alignment-interface::y-aligned-on-self . ,ly:self-alignment-interface::pure-y-aligned-on-self)
2827 (,ly:side-position-interface::y-aligned-side . ,ly:side-position-interface::pure-y-aligned-side)
2828 (,ly:slur::height . ,ly:slur::pure-height)
2829 (,ly:slur::outside-slur-callback . ,ly:slur::pure-outside-slur-callback)
2830 (,ly:stem::calc-stem-begin-position . ,ly:stem::pure-calc-stem-begin-position)
2831 (,ly:stem::calc-stem-end-position . ,ly:stem::pure-calc-stem-end-position)
2832 (,ly:stem::calc-length . ,ly:stem::pure-calc-length)
2833 (,ly:stem::height . ,ly:stem::pure-height)
2834 (,ly:stem-tremolo::calc-y-offset . ,ly:stem-tremolo::pure-calc-y-offset)
2835 (,ly:system::height . ,ly:system::calc-pure-height)))
2837 (define pure-functions
2839 ly:accidental-interface::horizontal-skylines
2840 parenthesize-elements
2841 laissez-vibrer::print
2842 ly:multi-measure-rest::height
2843 ly:rest::y-offset-callback
2844 ly:staff-symbol-referencer::callback
2845 ly:staff-symbol::height))
2847 (define-public (pure-relevant? grob)
2848 (let ((extent-callback (ly:grob-property-data grob 'Y-extent)))
2851 (ly:unpure-pure-container? extent-callback)
2852 (pair? extent-callback)
2853 (memq extent-callback pure-functions)
2855 (pair? (assq extent-callback pure-conversions-alist))
2856 (let ((stencil (ly:grob-property-data grob 'stencil)))
2858 (not (eq? extent-callback ly:grob::stencil-height))
2859 (assq stencil pure-print-to-height-conversions)
2860 (ly:stencil? stencil)))))))))
2862 ;; hideous code dup below - to be cleaned up when call pure functino
2863 ;; is eliminated and lilypond works entirely from unpure-pure-containers
2865 (define-public (call-pure-function unpure args start end)
2866 (if (ly:unpure-pure-container? unpure)
2867 (let ((unpure (ly:unpure-pure-container-pure-part unpure)))
2868 (if (ly:simple-closure? unpure)
2869 (ly:eval-simple-closure (car args) unpure start end)
2870 (if (not (procedure? unpure))
2874 (list (car args) start end)
2876 (if (ly:simple-closure? unpure)
2877 (ly:eval-simple-closure (car args) unpure start end)
2878 (if (not (procedure? unpure))
2880 (if (memq unpure pure-functions)
2882 (let ((pure (assq unpure pure-conversions-alist)))
2886 (list (car args) start end)