1 ;;;; define-grobs.scm --
3 ;;;; source file of the GNU LilyPond music typesetter
5 ;;;; (c) 1998--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
6 ;;;; Jan Nieuwenhuizen <janneke@gnu.org>
8 ;;;; distances are given in line-thickness (thicknesses) and
9 ;;;; staff-space (distances)
11 ;;;; WARNING: the meta field should be the last one.
12 ;;;; WARNING: don't use anonymous functions for initialization.
14 ;; TODO: junk the meta field in favor of something more compact?
16 ;;; todo:: reorder sensibly.
18 (define-public all-grob-descriptions
23 (glyph-name-alist . ,standard-alteration-glyph-name-alist)
24 (alteration . ,accidental-interface::calc-alteration)
25 (stencil . ,ly:accidental-interface::print)
26 (Y-extent . ,ly:accidental-interface::height)
28 . ,ly:accidental-interface::after-line-breaking)
29 (meta . ((class . Item)
30 (interfaces . (accidental-interface
36 (glyph-name-alist . ,standard-alteration-glyph-name-alist)
37 (alteration . ,accidental-interface::calc-alteration)
38 (stencil . ,ly:accidental-interface::print)
39 (Y-extent . ,ly:accidental-interface::height)
41 . ,ly:accidental-interface::after-line-breaking)
42 (meta . ((class . Item)
43 (interfaces . (accidental-interface
49 (stencil . ,ly:accidental-interface::print)
50 (Y-extent . ,ly:accidental-interface::height)
51 (X-offset . ,(ly:make-simple-closure
53 ,(ly:make-simple-closure (list ly:self-alignment-interface::centered-on-x-parent))
54 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self)))))
55 (self-alignment-X . ,CENTER)
57 (glyph-name-alist . ,standard-alteration-glyph-name-alist)
58 (alteration . ,accidental-interface::calc-alteration)
59 (Y-offset . ,ly:side-position-interface::y-aligned-side)
61 (staff-padding . 0.25)
62 (outside-staff-priority . 0)
65 (meta . ((class . Item)
66 (interfaces . (side-position-interface
69 accidental-suggestion-interface
70 self-alignment-interface
77 ;; for horizontally stacked scripts.
78 (script-priority . -100)
81 (positioning-done . ,ly:accidental-placement::calc-positioning-done)
82 (X-extent . ,ly:axis-group-interface::width)
84 ;; this is quite small, but it is very ugly to have
85 ;; accs closer to the previous note than to the next one.
86 (right-padding . 0.15)
87 (meta . ((class . Item)
88 (interfaces . (accidental-placement-interface))))))
93 (X-extent . ,ly:axis-group-interface::width)
94 (Y-extent . ,ly:axis-group-interface::height)
96 (clef . (extra-space . 0.5))
97 (key-signature . (extra-space . 0.0))
98 (staff-bar . (extra-space . 0.0))
99 (time-signature . (extra-space . 0.0))
100 (first-note . (fixed-space . 0.0))))
102 (break-align-symbol . ambitus)
103 (break-visibility . ,begin-of-line-visible)
104 (meta . ((class . Item)
105 (interfaces . (axis-group-interface
106 break-aligned-interface
107 ambitus-interface))))))
111 (stencil . ,ly:ambitus::print)
114 (X-offset . ,ly:self-alignment-interface::centered-on-x-parent)
115 (meta . ((class . Item)
116 (interfaces . (ambitus-interface
117 staff-symbol-referencer-interface
121 (font-family . music)
123 (X-offset . ,ly:side-position-interface::x-aligned-side)
125 (stencil . ,ly:accidental-interface::print)
126 (Y-extent . ,ly:accidental-interface::height)
127 (glyph-name-alist . ,standard-alteration-glyph-name-alist)
128 (after-line-breaking . ,ly:accidental-interface::after-line-breaking)
130 (meta . ((class . Item)
133 break-aligned-interface
134 side-position-interface
140 (stencil . ,ly:note-head::print)
141 (glyph-name . ,note-head::calc-glyph-name)
142 (Y-offset . ,ly:staff-symbol-referencer::callback)
143 (meta . ((class . Item)
144 (interfaces . (font-interface
147 staff-symbol-referencer-interface
148 rhythmic-head-interface
149 ledgered-interface))))))
152 . ((X-extent . ,ly:arpeggio::width)
153 (stencil . ,ly:arpeggio::print)
154 (Y-offset . ,ly:staff-symbol-referencer::callback)
155 (X-offset . ,ly:side-position-interface::x-aligned-side)
158 (script-priority . 0)
160 (staff-position . 0.0)
161 (Y-extent . ,ly:arpeggio::height)
162 (meta . ((class . Item)
163 (interfaces . (arpeggio-interface
164 staff-symbol-referencer-interface
165 side-position-interface
169 . ((stencil . ,ly:balloon-interface::print)
170 (text . ,(grob::calc-property-by-copy 'text))
171 (X-offset . ,(grob::calc-property-by-copy 'X-offset))
172 (Y-offset . ,(grob::calc-property-by-copy 'Y-offset))
173 (meta . ((class . Item)
174 (interfaces . (text-interface
178 (break-align-symbol . staff-bar)
179 (break-align-anchor . ,ly:bar-line::calc-anchor)
183 (break-visibility . ,bar-line::calc-break-visibility)
185 (stencil . ,ly:bar-line::print)
186 (glyph-name . ,bar-line::calc-glyph-name)
187 (bar-size . ,ly:bar-line::calc-bar-size)
190 (time-signature . (extra-space . 0.75))
191 (custos . (minimum-space . 2.0))
192 (clef . (minimum-space . 1.0))
193 (key-signature . (extra-space . 1.0))
194 (key-cancellation . (extra-space . 1.0))
195 (first-note . (fixed-space . 1.3))
196 (next-note . (semi-fixed-space . 0.9))
197 (right-edge . (extra-space . 0.0))))
200 ;; Ross. page 151 lists other values, we opt for a leaner look
203 ;; kern should scale with line-thickness too.
206 (hair-thickness . 1.9)
207 (thick-thickness . 6.0)
208 (meta . ((class . Item)
209 (interfaces . (bar-line-interface
210 break-aligned-interface
215 (stencil . ,ly:text-interface::print)
217 (break-visibility . ,begin-of-line-visible)
220 (font-family . roman)
222 (Y-offset . ,ly:side-position-interface::y-aligned-side)
224 (X-offset . ,(ly:make-simple-closure
226 ,(ly:make-simple-closure
227 (list ly:break-alignable-interface::self-align-callback))
228 ,(ly:make-simple-closure
229 (list ly:self-alignment-interface::x-aligned-on-self)))))
231 (self-alignment-X . 1)
233 ;; want the bar number before the clef at line start.
234 (break-align-symbols . (left-edge staff-bar))
237 (interfaces . (side-position-interface
239 break-alignable-interface
240 self-alignment-interface
247 (stencil . ,ly:text-interface::print)
248 (meta . ((class . Item)
249 (interfaces . (text-interface
250 rhythmic-grob-interface
251 bass-figure-interface
257 (threshold . (2 . 1000))
258 (positioning-done . ,ly:align-interface::calc-positioning-done)
259 (Y-extent . ,ly:axis-group-interface::height)
262 (meta . ((class . Spanner)
263 (interfaces . (align-interface
264 bass-figure-alignment-interface
265 axis-group-interface))))))
267 (BassFigureAlignmentPositioning
268 . ((Y-offset . ,ly:side-position-interface::y-aligned-side)
271 (Y-extent . ,ly:axis-group-interface::height)
273 (staff-padding . 1.0)
275 (meta . ((class . Spanner)
276 (interfaces . (side-position-interface
282 (stencil . ,ly:enclosing-bracket::print)
283 (X-extent . ,ly:enclosing-bracket::width)
284 (edge-height . (0.2 . 0.2))
285 (meta . ((class . Item)
286 (interfaces . (enclosing-bracket-interface)) ))
288 (BassFigureContinuation
290 (stencil . ,ly:figured-bass-continuation::print)
291 (Y-offset . ,ly:figured-bass-continuation::center-on-figures)
292 (meta . ((class . Spanner)
293 (interfaces . (figured-bass-continuation-interface))
298 (Y-extent . ,ly:axis-group-interface::height)
299 (vertical-skylines . ,ly:axis-group-interface::calc-skylines)
300 (adjacent-pure-heights . ,ly:axis-group-interface::adjacent-pure-heights)
301 (meta . ((class . Spanner)
302 (interfaces . (axis-group-interface
308 ;; todo: clean this up a bit: the list is getting
311 (positions . ,(ly:make-simple-closure
312 (ly:make-simple-closure
313 (list chain-grob-member-functions
315 ly:beam::calc-least-squares-positions
316 ly:beam::slope-damping
317 ly:beam::shift-region-to-valid
321 ;; this is a hack to set stem lengths, if positions is set.
322 (quantized-positions . ,ly:beam::set-stem-lengths)
323 (concaveness . ,ly:beam::calc-concaveness)
324 (direction . ,ly:beam::calc-direction)
325 (shorten . ,ly:beam::calc-stem-shorten)
326 (beaming . ,ly:beam::calc-beaming)
327 (stencil . ,ly:beam::print)
329 (cross-staff . ,ly:beam::calc-cross-staff)
331 (details . ((hint-direction-penalty . 20)))
332 ;; TODO: should be in SLT.
333 (thickness . 0.48) ; in staff-space
334 (neutral-direction . ,DOWN)
336 ;; Whe have some unreferenced problems here.
338 ;; If we shorten beamed stems less than normal stems (1 staff-space),
339 ;; or high order less than 8th beams, patterns like
340 ;; c''4 [c''8 c''] c''4 [c''16 c]
341 ;; are ugly (different stem lengths).
343 ;; But if we shorten 16th beams as much as 8th beams, a single
344 ;; forced 16th beam looks *very* short.
346 ;; We choose to shorten 8th beams the same as single stems,
347 ;; and high order beams less than 8th beams, so that all
348 ;; isolated shortened beams look nice and a bit shortened,
349 ;; sadly possibly breaking patterns with high order beams.
350 (beamed-stem-shorten . (1.0 0.5 0.25))
352 (auto-knee-gap . 5.5)
354 ;; only for debugging.
355 (font-family . roman)
356 (meta . ((class . Spanner)
357 (object-callbacks . ((normal-stems . ,ly:beam::calc-normal-stems)))
358 (interfaces . (staff-symbol-referencer-interface
359 unbreakable-spanner-interface
364 (stencil . ,bend::print)
366 (meta . ((class . Spanner)
367 (interfaces . (spanner-interface
368 bend-after-interface))))))
374 (positioning-done . ,ly:break-alignment-interface::calc-positioning-done)
375 (X-extent . ,ly:axis-group-interface::width)
376 (break-align-orders . ;; end of line
398 time-signature custos)
412 (meta . ((class . Item)
413 (interfaces . (break-alignment-interface
414 axis-group-interface))))))
419 (X-extent . ,ly:axis-group-interface::width)
420 (break-align-anchor . ,ly:break-aligned-interface::calc-average-anchor)
421 (break-visibility . ,ly:break-aligned-interface::calc-break-visibility)
422 (meta . ((class . Item)
423 (interfaces . (break-aligned-interface
424 axis-group-interface))))))
428 (break-align-symbol . breathing-sign)
431 (ambitus . (extra-space . 2.0))
432 (custos . (minimum-space . 1.0))
433 (key-signature . (minimum-space . 1.5))
434 (time-signature . (minimum-space . 1.5))
435 (staff-bar . (minimum-space . 1.5))
436 (clef . (minimum-space . 2.0))
437 (first-note . (fixed-space . 1.0)) ;huh?
438 (right-edge . (extra-space . 0.1))))
439 (stencil . ,ly:text-interface::print)
440 (text . ,(make-musicglyph-markup "scripts.rcomma"))
441 (Y-offset . ,ly:breathing-sign::offset-callback)
442 (break-visibility . ,begin-of-line-invisible)
443 (meta . ((class . Item)
444 (interfaces . (break-aligned-interface
445 breathing-sign-interface
451 (stencil . ,ly:clef::print)
452 (glyph-name . ,ly:clef::calc-glyph-name)
454 (avoid-slur . inside)
455 (font-family . music)
456 (break-align-symbol . clef)
457 (break-align-anchor . ,ly:break-aligned-interface::calc-extent-aligned-anchor)
458 (break-visibility . ,begin-of-line-visible)
459 (space-alist . ((ambitus . (extra-space . 2.0))
460 (staff-bar . (extra-space . 0.7))
461 (key-cancellation . (minimum-space . 3.5))
462 (key-signature . (minimum-space . 3.5))
463 (time-signature . (minimum-space . 4.2))
464 (first-note . (minimum-fixed-space . 5.0))
465 (next-note . (extra-space . 0.5))
466 (right-edge . (extra-space . 0.5))))
467 (Y-offset . ,ly:staff-symbol-referencer::callback)
468 (meta . ((class . Item)
469 (interfaces . (clef-interface
470 staff-symbol-referencer-interface
472 break-aligned-interface))))))
474 (ClusterSpannerBeacon
476 (Y-extent . ,ly:cluster-beacon::height)
477 (meta . ((class . Item)
478 (interfaces . (rhythmic-grob-interface
479 cluster-beacon-interface))))))
483 (springs-and-rods . ,ly:spanner::set-spacing-rods)
484 (stencil . ,ly:cluster::print)
485 (minimum-length . 0.0)
488 (meta . ((class . Spanner)
489 (interfaces . (cluster-interface))))))
493 (stencil . ,ly:text-interface::print)
494 (after-line-breaking . ,ly:chord-name::after-line-breaking)
498 (meta . ((class . Item)
499 (interfaces . (font-interface
500 rhythmic-grob-interface
507 (stencil . ,ly:text-interface::print)
508 (extra-spacing-width . (+inf.0 . -inf.0))
509 (Y-offset . ,ly:side-position-interface::y-aligned-side)
510 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
513 (staff-padding . 0.5)
514 (script-priority . 200)
515 ;; todo: add X self alignment?
519 (meta . ((class . Item)
520 (interfaces . (text-script-interface
522 side-position-interface
527 (break-align-symbol . custos)
529 (stencil . ,ly:custos::print)
530 (break-visibility . ,end-of-line-visible)
532 (neutral-direction . ,DOWN)
533 (Y-offset . ,ly:staff-symbol-referencer::callback)
535 (first-note . (minimum-fixed-space . 0.0))
536 (right-edge . (extra-space . 0.1))))
537 (meta . ((class . Item)
540 staff-symbol-referencer-interface
542 break-aligned-interface))))))
548 (positioning-done . ,ly:dot-column::calc-positioning-done)
549 (X-extent . ,ly:axis-group-interface::width)
550 (meta . ((class . Item)
551 (interfaces . (dot-column-interface
552 axis-group-interface))))))
556 (stencil . ,ly:dots::print)
557 (dot-count . ,dots::calc-dot-count)
558 (staff-position . ,dots::calc-staff-position)
559 (meta . ((class . Item)
560 (interfaces . (font-interface
561 staff-symbol-referencer-interface
566 (stencil . ,ly:percent-repeat-item-interface::double-percent)
569 (font-encoding . fetaMusic)
572 (break-align-symbol . staff-bar)
573 (break-visibility . ,begin-of-line-invisible)
574 (meta . ((class . Item)
575 (interfaces . (font-interface
576 break-aligned-interface
577 percent-repeat-item-interface))))))
579 (DoublePercentRepeatCounter
581 (stencil . ,ly:text-interface::print)
582 (X-offset . ,(ly:make-simple-closure `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::centered-on-y-parent))
583 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self)))))
584 (Y-offset . ,ly:side-position-interface::y-aligned-side)
585 (font-encoding . fetaNumber)
586 (self-alignment-X . 0)
590 (staff-padding . 0.25)
592 (meta . ((class . Item)
593 (interfaces . (side-position-interface
594 self-alignment-interface
595 percent-repeat-item-interface
601 (Y-offset . ,ly:side-position-interface::y-aligned-side)
602 (staff-padding . 0.1)
605 (minimum-space . 1.2)
608 (outside-staff-priority . 250)
609 (Y-extent . ,ly:axis-group-interface::height)
610 (X-extent . ,ly:axis-group-interface::width)
611 (meta . ((class . Spanner)
612 (interfaces . (axis-group-interface
614 dynamic-line-spanner-interface
615 side-position-interface))))))
622 (stencil . ,ly:text-interface::print)
623 (direction . ,ly:script-interface::calc-direction)
624 (positioning-done . ,ly:script-interface::calc-positioning-done)
626 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
627 (self-alignment-X . 0)
628 (Y-offset . ,ly:self-alignment-interface::y-aligned-on-self)
629 (self-alignment-Y . 0)
631 (font-encoding . fetaDynamic)
632 (font-shape . italic)
633 (extra-spacing-width . (+inf.0 . -inf.0))
634 (outside-staff-priority . 250)
635 (meta . ((class . Item)
636 (interfaces . (font-interface
638 self-alignment-interface
640 script-interface))))))
644 ;; rather ugh with NCSB
645 ;; (font-series . bold)
646 (font-shape . italic)
647 (style . dashed-line)
649 ;; make sure the spanner doesn't get too close to notes
650 (minimum-Y-extent . (-1 . 1))
651 (bound-details . ((right . ((attach-dir . ,LEFT)
655 (right-broken . ((attach-dir . ,RIGHT)
659 (left . ((attach-dir . ,LEFT)
661 (stencil-offset . (0 . -0.5))
664 (left-broken . ((attach-dir . ,RIGHT)
667 (stencil . ,ly:line-spanner::print)
668 (left-bound-info . ,ly:line-spanner::calc-left-bound-info-and-text)
669 (right-bound-info . ,ly:line-spanner::calc-right-bound-info)
671 ;; need to blend with dynamic texts.
673 (dash-fraction . 0.2)
675 (meta . ((class . Spanner)
676 (interfaces . (font-interface
678 line-spanner-interface
681 dynamic-text-spanner-interface
682 spanner-interface))))))
688 ;; sync with TextScript (?)
691 (avoid-slur . around)
693 (staff-padding . 0.5)
694 (self-alignment-X . 0)
695 (self-alignment-Y . 0)
696 (script-priority . 100)
697 (stencil . ,ly:text-interface::print)
698 (direction . ,ly:script-interface::calc-direction)
699 (positioning-done . ,ly:script-interface::calc-positioning-done)
701 (text . ,fingering::calc-text)
702 (font-encoding . fetaNumber)
703 (font-size . -5) ; don't overlap when next to heads.
704 (meta . ((class . Item)
705 (interfaces . (finger-interface
707 text-script-interface
709 side-position-interface
710 self-alignment-interface
713 . ((stencil . ,fret-board::calc-stencil)
714 (finger-code . below-string)
715 (meta . ((class . Item)
716 (interfaces . (fret-diagram-interface
724 (zigzag-width . 0.75)
727 (bound-details . ((right . ((attach-dir . ,CENTER)
730 (left . ((attach-dir . ,CENTER)
734 (stencil . ,ly:line-spanner::print)
735 (left-bound-info . ,ly:line-spanner::calc-left-bound-info)
736 (right-bound-info . ,ly:line-spanner::calc-right-bound-info)
737 (meta . ((class . Spanner)
738 (interfaces . (line-interface
739 unbreakable-spanner-interface
740 line-spanner-interface))))))
744 (common-shortest-duration . ,grace-spacing::calc-shortest-duration)
745 (spacing-increment . 0.8)
746 (shortest-duration-space . 1.6)
747 (meta . ((class . Spanner)
748 (interfaces . (grace-spacing-interface
750 spacing-options-interface
751 spanner-interface))))))
756 (meta . ((class . Item)
757 (interfaces . (grid-point-interface))))))
761 (X-extent . ,ly:grid-line-interface::width)
762 (stencil . ,ly:grid-line-interface::print)
763 (self-alignment-X . ,CENTER)
764 (X-offset . ,(ly:make-simple-closure
765 `(,+ ,(ly:make-simple-closure
766 (list ly:self-alignment-interface::centered-on-x-parent))
767 ,(ly:make-simple-closure
768 (list ly:self-alignment-interface::x-aligned-on-self)))))
770 (meta . ((class . Item)
771 (interfaces . (self-alignment-interface
772 grid-line-interface))))))
776 (stencil . ,ly:hairpin::print)
777 (springs-and-rods . ,ly:spanner::set-spacing-rods)
778 (after-line-breaking . ,ly:hairpin::after-line-breaking)
779 (grow-direction . ,hairpin::calc-grow-direction)
783 (minimum-length . 2.0)
784 (bound-padding . 1.0)
785 (self-alignment-Y . 0)
786 (Y-offset . ,ly:self-alignment-interface::y-aligned-on-self)
787 (meta . ((class . Spanner)
788 (interfaces . (hairpin-interface
790 self-alignment-interface
792 spanner-interface))))))
797 (stencil . ,ly:horizontal-bracket::print)
798 (Y-offset . ,ly:side-position-interface::y-aligned-side)
799 (connect-to-neighbor . ,ly:tuplet-bracket::calc-connect-to-neighbors)
802 (staff-padding . 0.2)
805 (bracket-flare . (0.5 . 0.5))
806 (meta . ((class . Spanner)
807 (interfaces . (horizontal-bracket-interface
808 side-position-interface
810 spanner-interface))))))
814 (stencil . ,ly:system-start-text::print)
815 (X-offset . ,ly:side-position-interface::x-aligned-side)
817 (self-alignment-Y . ,CENTER)
818 (meta . ((class . Spanner)
819 (interfaces . (system-start-text-interface
820 side-position-interface
826 (stencil . ,ly:text-interface::print)
827 (Y-offset . ,ly:side-position-interface::y-aligned-side)
828 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
831 (self-alignment-X . ,CENTER)
832 (meta . ((class . Item)
833 (interfaces . (side-position-interface
838 (stencil . ,ly:key-signature-interface::print)
839 (glyph-name-alist . ,cancellation-glyph-name-alist)
841 (time-signature . (extra-space . 1.25))
842 (staff-bar . (extra-space . 0.6))
843 (key-signature . (extra-space . 0.5))
844 (right-edge . (extra-space . 0.5))
845 (first-note . (fixed-space . 2.5))))
846 (Y-offset . ,ly:staff-symbol-referencer::callback)
847 (break-align-symbol . key-cancellation)
848 (break-visibility . ,begin-of-line-invisible)
850 (meta . ((class . Item)
851 (interfaces . (key-cancellation-interface
852 key-signature-interface
854 break-aligned-interface))))))
857 (stencil . ,ly:key-signature-interface::print)
858 (avoid-slur . inside)
859 (glyph-name-alist . ,standard-alteration-glyph-name-alist)
861 (time-signature . (extra-space . 1.15))
862 (staff-bar . (extra-space . 1.1))
863 (right-edge . (extra-space . 0.5))
864 (first-note . (fixed-space . 2.5))))
865 (Y-offset . ,ly:staff-symbol-referencer::callback)
866 (break-align-symbol . key-signature)
867 (break-align-anchor . ,ly:break-aligned-interface::calc-extent-aligned-anchor)
868 (break-visibility . ,begin-of-line-visible)
870 (meta . ((class . Item)
871 (interfaces . (key-signature-interface
873 break-aligned-interface))))))
878 (stencil . ,ly:tie::print)
879 (control-points . ,ly:semi-tie::calc-control-points)
880 (direction . ,ly:tie::calc-direction)
881 (details . ((ratio . 0.333)
882 (height-limit . 1.0)))
883 (head-direction . ,LEFT)
885 (meta . ((class . Item)
886 (interfaces . (semi-tie-interface))
890 (LaissezVibrerTieColumn
894 (head-direction . ,LEFT)
895 (positioning-done . ,ly:semi-tie-column::calc-positioning-done)
896 (meta . ((class . Item)
897 (interfaces . (semi-tie-column-interface))
903 (springs-and-rods . ,ly:ledger-line-spanner::set-spacing-rods)
904 (stencil . ,ly:ledger-line-spanner::print)
907 (minimum-length-fraction . 0.25)
908 (length-fraction . 0.25)
910 (meta . ((class . Spanner)
911 (interfaces . (ledger-line-spanner-interface))))))
915 (break-align-symbol . left-edge)
916 (break-align-anchor . ,ly:break-aligned-interface::calc-extent-aligned-anchor)
919 (break-visibility . ,center-invisible)
921 (custos . (extra-space . 0.0))
922 (ambitus . (extra-space . 2.0))
923 (time-signature . (extra-space . 1.0))
924 (staff-bar . (extra-space . 0.0))
925 (breathing-sign . (minimum-space . 0.0))
926 (clef . (extra-space . 0.8))
927 (first-note . (fixed-space . 2.0))
928 (right-edge . (extra-space . 0.0))
929 (key-signature . (extra-space . 0.0))
930 (key-cancellation . (extra-space . 0.0))
932 (meta . ((class . Item)
933 (interfaces . (break-aligned-interface))))))
937 ;; ugh. A ligature bracket is totally different from
942 (edge-height . (0.7 . 0.7))
943 (shorten-pair . (-0.2 . -0.2))
945 (positions . ,ly:tuplet-bracket::calc-positions)
946 (stencil . ,ly:tuplet-bracket::print)
947 (staff-padding . 0.25)
948 (connect-to-neighbor . ,ly:tuplet-bracket::calc-connect-to-neighbors)
949 (control-points . ,ly:tuplet-bracket::calc-control-points)
950 (meta . ((class . Spanner)
951 (interfaces . (line-interface
952 tuplet-bracket-interface))))))
957 (stencil . ,ly:lyric-extender::print)
958 (thickness . 0.8) ; line-thickness
959 (minimum-length . 1.5)
961 (meta . ((class . Spanner)
962 (interfaces . (lyric-interface
963 lyric-extender-interface))))))
971 (minimum-length . 0.3)
972 (minimum-distance . 0.1)
974 (springs-and-rods . ,ly:lyric-hyphen::set-spacing-rods)
975 (stencil . ,ly:lyric-hyphen::print)
977 (meta . ((class . Spanner)
978 (interfaces . (lyric-interface
980 lyric-hyphen-interface
981 spanner-interface))))))
984 . ((minimum-distance . 0.45)
985 (springs-and-rods . ,ly:lyric-hyphen::set-spacing-rods)
989 (meta . ((class . Spanner)
990 (interfaces . (spanner-interface
991 lyric-hyphen-interface ))
997 (stencil . ,lyric-text::print)
998 (text . ,(grob::calc-property-by-copy 'text))
999 (X-offset . ,ly:self-alignment-interface::aligned-on-x-parent)
1000 (self-alignment-X . 0)
1002 (font-series . bold-narrow)
1004 (meta . ((class . Item)
1005 (interfaces . (rhythmic-grob-interface
1006 lyric-syllable-interface
1007 self-alignment-interface
1009 font-interface))))))
1014 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1016 (stencil . ,ly:measure-grouping::print)
1022 (meta . ((class . Spanner)
1023 (interfaces . (side-position-interface
1024 measure-grouping-interface))))))
1028 (neutral-direction . ,DOWN)
1029 (meta . ((class . Item)
1030 (interfaces . (melody-spanner-interface ))))))
1035 (stencil . ,ly:mensural-ligature::print)
1036 (meta . ((class . Spanner)
1037 (interfaces . (mensural-ligature-interface
1038 font-interface))))))
1042 (stencil . ,ly:text-interface::print)
1043 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1047 (outside-staff-priority . 1000)
1048 (meta . ((class . Item)
1049 (interfaces . (text-interface
1050 side-position-interface
1052 metronome-mark-interface))))))
1057 (stencil . ,ly:multi-measure-rest::print)
1058 (springs-and-rods . ,ly:multi-measure-rest::set-spacing-rods)
1059 (Y-offset . ,ly:staff-symbol-referencer::callback)
1060 (staff-position . 0)
1062 (thick-thickness . 6.6)
1063 (hair-thickness . 2.0)
1065 (meta . ((class . Spanner)
1066 (interfaces . (multi-measure-rest-interface
1067 multi-measure-interface
1070 staff-symbol-referencer-interface))))))
1073 (MultiMeasureRestNumber
1075 (bound-padding . 2.0)
1076 (springs-and-rods . ,ly:multi-measure-rest::set-text-rods)
1077 (stencil . ,ly:text-interface::print)
1078 (X-offset . ,(ly:make-simple-closure
1079 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self))
1080 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-centered-on-y-parent)))))
1081 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1083 (self-alignment-X . 0)
1086 (staff-padding . 0.4)
1087 (font-encoding . fetaNumber)
1088 (meta . ((class . Spanner)
1089 (interfaces . (side-position-interface
1090 multi-measure-interface
1091 self-alignment-interface
1096 (MultiMeasureRestText
1098 (stencil . ,ly:text-interface::print)
1099 (X-offset . ,(ly:make-simple-closure
1100 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-centered-on-y-parent))
1101 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self)))))
1103 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1104 (self-alignment-X . 0)
1107 (staff-padding . 0.25)
1108 (meta . ((class . Spanner)
1109 (interfaces . (side-position-interface
1110 multi-measure-interface
1111 self-alignment-interface
1113 text-interface))))))
1115 (NonMusicalPaperColumn
1117 (allow-loose-spacing . #t)
1119 (before-line-breaking . ,ly:paper-column::before-line-breaking)
1120 (X-extent . ,ly:axis-group-interface::width)
1121 (horizontal-skylines . ,ly:separation-item::calc-skylines)
1122 ;; (stencil . ,ly:paper-column::print)
1125 (line-break-permission . allow)
1126 (page-break-permission . allow)
1128 ;; debugging stuff: print column number.
1129 ;; (font-size . -6) (font-name . "sans") (Y-extent . #f)
1131 (meta . ((class . Paper_column)
1132 (interfaces . (paper-column-interface
1133 axis-group-interface
1134 separation-item-interface
1135 spaceable-grob-interface))))))
1140 (X-extent . ,ly:axis-group-interface::width)
1141 (Y-extent . ,ly:axis-group-interface::height)
1142 (positioning-done . ,ly:note-collision-interface::calc-positioning-done)
1143 (meta . ((class . Item)
1144 (interfaces . (note-collision-interface
1145 axis-group-interface))))))
1150 (X-extent . ,ly:axis-group-interface::width)
1151 (Y-extent . ,ly:axis-group-interface::height)
1152 (horizontal-skylines . ,ly:separation-item::calc-skylines)
1153 (meta . ((class . Item)
1154 (interfaces . (axis-group-interface
1155 separation-item-interface
1156 note-column-interface))))))
1160 (stencil . ,ly:note-head::print)
1161 (duration-log . ,note-head::calc-duration-log)
1162 (stem-attachment . ,ly:note-head::calc-stem-attachment)
1163 (glyph-name . ,note-head::calc-glyph-name)
1164 (Y-offset . ,ly:staff-symbol-referencer::callback)
1165 (X-offset . ,ly:note-head::stem-x-shift)
1166 (meta . ((class . Item)
1167 (interfaces . (rhythmic-grob-interface
1168 rhythmic-head-interface
1172 staff-symbol-referencer-interface))))))
1176 (stem-spacing-correction . 0.5)
1177 (same-direction-correction . 0.25)
1178 ;; Changed this from 0.75.
1179 ;; If you ever change this back, please document! --hwn
1180 (knee-spacing-correction . 1.0)
1181 (meta . ((class . Item)
1182 (interfaces . (spacing-interface
1183 note-spacing-interface))))))
1187 (stencil . ,ly:text-interface::print)
1188 (meta . ((class . Item)
1189 (interfaces . (note-name-interface
1191 font-interface))))))
1195 (self-alignment-X . 0)
1196 (break-visibility . ,begin-of-line-visible)
1197 (X-offset . ,(ly:make-simple-closure
1198 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self))
1199 ,(ly:make-simple-closure (list ly:self-alignment-interface::centered-on-x-parent)))))
1201 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1202 (stencil . ,ly:text-interface::print)
1203 (font-shape . italic)
1204 (staff-padding . 0.2)
1206 (meta . ((class . Item)
1207 (interfaces . (text-interface
1208 self-alignment-interface
1209 side-position-interface
1210 font-interface))))))
1214 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1215 (stencil . ,ly:ottava-bracket::print)
1216 (font-shape . italic)
1217 (shorten-pair . (0.0 . -0.6))
1218 (staff-padding . 1.0)
1220 (minimum-length . 1.0)
1221 (dash-fraction . 0.3)
1222 (edge-height . (0 . 1.2))
1224 (outside-staff-priority . 400)
1225 (meta . ((class . Spanner)
1226 (interfaces . (ottava-bracket-interface
1227 horizontal-bracket-interface
1229 side-position-interface
1231 text-interface))))))
1236 (allow-loose-spacing . #t)
1237 (before-line-breaking . ,ly:paper-column::before-line-breaking)
1238 (horizontal-skylines . ,ly:separation-item::calc-skylines)
1239 ;; (stencil . ,ly:paper-column::print)
1240 (X-extent . ,ly:axis-group-interface::width)
1243 ;; (font-size . -6) (font-name . "sans") (Y-extent . #f)
1244 (meta . ((class . Paper_column)
1245 (interfaces . (paper-column-interface
1246 separation-item-interface
1247 axis-group-interface
1248 spaceable-grob-interface))))))
1251 . ((stencil . ,parentheses-item::print)
1252 (stencils . ,parentheses-item::calc-parenthesis-stencils)
1255 (meta . ((class . Item)
1256 (interfaces . (parentheses-interface font-interface))))
1259 (HarmonicParenthesesItem
1260 . ((stencil . ,parentheses-item::print)
1262 (stencils . ,parentheses-item::calc-angled-bracket-stencils)
1263 (meta . ((class . Item)
1264 (interfaces . (parentheses-interface font-interface))))
1268 . ((details . ,default-slur-details)
1269 (control-points . ,ly:slur::calc-control-points)
1270 (direction . ,ly:slur::calc-direction)
1271 (springs-and-rods . ,ly:spanner::set-spacing-rods)
1272 (Y-extent . ,ly:slur::height)
1273 (stencil . ,ly:slur::print)
1275 (minimum-length . 1.5)
1276 (height-limit . 2.0)
1278 (cross-staff . ,ly:slur::calc-cross-staff)
1279 (meta . ((class . Spanner)
1280 (interfaces . (slur-interface))))))
1286 (springs-and-rods . ,ly:multi-measure-rest::set-spacing-rods)
1287 (stencil . ,ly:multi-measure-rest::percent)
1290 (font-encoding . fetaMusic)
1291 (meta . ((class . Spanner)
1292 (interfaces . (multi-measure-rest-interface
1294 percent-repeat-item-interface))))))
1295 (PercentRepeatCounter
1297 (stencil . ,ly:text-interface::print)
1298 (X-offset . ,(ly:make-simple-closure
1299 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-centered-on-y-parent))
1300 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self)))))
1301 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1302 (self-alignment-X . 0)
1305 (staff-padding . 0.25)
1307 (font-encoding . fetaNumber)
1308 (meta . ((class . Spanner)
1309 (interfaces . (side-position-interface
1310 self-alignment-interface
1311 percent-repeat-item-interface
1313 text-interface))))))
1315 ;; an example of a text spanner
1318 (stencil . ,ly:piano-pedal-bracket::print)
1320 (bound-padding . 1.0)
1322 (bracket-flare . (0.5 . 0.5))
1323 (edge-height . (1.0 . 1.0))
1324 (shorten-pair . (0.0 . 0.0))
1326 (meta . ((class . Spanner)
1327 (interfaces . (line-interface
1328 piano-pedal-interface
1329 piano-pedal-bracket-interface))))))
1333 (stencil . ,ly:text-interface::print)
1334 (X-offset . ,(ly:make-simple-closure
1336 ,(ly:make-simple-closure
1337 (list ly:break-alignable-interface::self-align-callback))
1338 ,(ly:make-simple-closure
1339 (list ly:self-alignment-interface::x-aligned-on-self)))))
1341 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1342 (extra-spacing-width . (+inf.0 . -inf.0))
1343 (self-alignment-X . 0)
1348 (break-visibility . ,end-of-line-invisible)
1349 (break-align-symbols . (staff-bar clef))
1351 (outside-staff-priority . 1500)
1352 (meta . ((class . Item)
1353 (interfaces . (text-interface
1354 side-position-interface
1355 break-alignable-interface
1358 self-alignment-interface))))))
1362 (stencil . ,ly:percent-repeat-item-interface::beat-slash)
1365 (meta . ((class . Item)
1366 (interfaces . (rhythmic-grob-interface
1367 percent-repeat-item-interface))))))
1371 (stencil . ,ly:tie::print)
1372 (control-points . ,ly:semi-tie::calc-control-points)
1373 (direction . ,ly:tie::calc-direction)
1374 (details . ((ratio . 0.333)
1375 (height-limit . 1.0)))
1377 (head-direction . ,RIGHT)
1378 (meta . ((class . Item)
1379 (interfaces . (semi-tie-interface))
1387 (direction . ,ly:tie::calc-direction)
1388 (head-direction . ,ly:semi-tie-column::calc-head-direction)
1390 (positioning-done . ,ly:semi-tie-column::calc-positioning-done)
1391 (meta . ((class . Item)
1392 (interfaces . (semi-tie-column-interface))
1398 (stencil . ,ly:rest::print)
1399 (duration-log . ,stem::calc-duration-log)
1400 (X-extent . ,ly:rest::width)
1401 (Y-extent . ,ly:rest::height)
1402 (Y-offset . ,ly:rest::y-offset-callback)
1403 (minimum-distance . 0.25)
1404 (meta . ((class . Item)
1405 (interfaces . (font-interface
1406 rhythmic-head-interface
1407 rhythmic-grob-interface
1408 staff-symbol-referencer-interface
1409 rest-interface))))))
1413 (minimum-distance . 0.75)
1414 (positioning-done . ,ly:rest-collision::calc-positioning-done)
1415 (meta . ((class . Item)
1416 (interfaces . (rest-collision-interface))))))
1420 ;; don't set direction here: it breaks staccato.
1422 ;; padding set in script definitions.
1423 (staff-padding . 0.25)
1424 (X-offset . ,script-interface::calc-x-offset)
1425 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1428 (stencil . ,ly:script-interface::print)
1429 (direction . ,ly:script-interface::calc-direction)
1430 (positioning-done . ,ly:script-interface::calc-positioning-done)
1431 (font-encoding . fetaMusic)
1432 (cross-staff . ,ly:script-interface::calc-cross-staff)
1433 (meta . ((class . Item)
1434 (interfaces . (script-interface
1435 side-position-interface
1436 font-interface))))))
1440 (before-line-breaking . ,ly:script-column::before-line-breaking)
1441 (meta . ((class . Item)
1442 (interfaces . (script-column-interface))))))
1445 (before-line-breaking . ,ly:script-column::row-before-line-breaking)
1446 (meta . ((class . Item)
1447 (interfaces . (script-column-interface))))))
1451 (avoid-slur . inside)
1452 (X-extent . ,ly:axis-group-interface::width)
1453 (Y-extent . ,ly:axis-group-interface::height)
1454 (horizontal-skylines . ,ly:separation-item::calc-skylines)
1455 (stencil . ,ly:separation-item::print)
1456 (meta . ((class . Item)
1458 separation-item-interface))))))
1461 . ((details . ,default-slur-details)
1462 (control-points . ,ly:slur::calc-control-points)
1463 (direction . ,ly:slur::calc-direction)
1464 (springs-and-rods . ,ly:spanner::set-spacing-rods)
1465 (Y-extent . ,ly:slur::height)
1466 (stencil . ,ly:slur::print)
1468 (line-thickness . 0.8)
1469 (minimum-length . 1.5)
1470 (height-limit . 2.0)
1472 (avoid-slur . inside)
1473 (cross-staff . ,ly:slur::calc-cross-staff)
1474 (meta . ((class . Spanner)
1475 (interfaces . (slur-interface))))))
1479 (stencil . ,ly:text-interface::print)
1480 (direction . ,RIGHT)
1481 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1482 (extra-spacing-width . (+inf.0 . -inf.0))
1483 (padding . 0.0) ;; padding relative to SostenutoPedalLineSpanner
1484 (font-shape . italic)
1485 (self-alignment-X . 0)
1486 (meta . ((class . Item)
1487 (interfaces . (text-interface
1488 self-alignment-interface
1489 piano-pedal-script-interface
1490 font-interface))))))
1492 (SostenutoPedalLineSpanner
1495 (Y-extent . ,ly:axis-group-interface::height)
1496 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1498 (staff-padding . 1.0)
1500 (minimum-space . 1.0)
1502 (meta . ((class . Spanner)
1503 (interfaces . (piano-pedal-interface
1504 axis-group-interface
1505 side-position-interface))))))
1508 (springs-and-rods . ,ly:spacing-spanner::set-springs)
1509 (common-shortest-duration . ,ly:spacing-spanner::calc-common-shortest-duration)
1510 (average-spacing-wishes . #t)
1511 (shortest-duration-space . 2.0)
1512 (spacing-increment . 1.2)
1514 (base-shortest-duration . ,(ly:make-moment 3 16))
1515 (meta . ((class . Spanner)
1517 spacing-options-interface
1518 spacing-spanner-interface))))))
1522 (break-align-symbol . staff-bar)
1526 (stencil . ,ly:span-bar::print)
1527 (bar-size . ,ly:span-bar::calc-bar-size)
1528 (X-extent . ,ly:span-bar::width)
1529 (glyph-name . ,ly:span-bar::calc-glyph-name)
1530 (before-line-breaking . ,ly:span-bar::before-line-breaking)
1535 ;; Ross. page 151 lists other values, we opt for a leaner look
1539 (hair-thickness . 1.6)
1540 (thick-thickness . 6.0)
1541 (meta . ((class . Item)
1542 (interfaces . (span-bar-interface
1544 bar-line-interface))))))
1548 (stencil . ,ly:text-interface::print)
1549 (font-series . bold)
1551 (X-offset . ,ly:side-position-interface::x-aligned-side)
1554 (meta . ((class . Item)
1555 (interfaces . (side-position-interface
1556 stanza-number-interface
1558 font-interface))))))
1564 (stem-spacing-correction . 0.4)
1565 (meta . ((class . Item)
1566 (interfaces . (spacing-interface
1567 staff-spacing-interface))))))
1572 (Y-extent . ,ly:staff-symbol::height)
1573 (stencil . ,ly:staff-symbol::print)
1575 (ledger-line-thickness . (1.0 . 0.1))
1577 (meta . ((class . Spanner)
1578 (interfaces . (staff-symbol-interface))))))
1582 (direction . ,ly:stem::calc-direction)
1583 (duration-log . ,stem::calc-duration-log)
1584 (default-direction . ,ly:stem::calc-default-direction)
1585 (stem-end-position . ,ly:stem::calc-stem-end-position)
1587 (neutral-direction . ,DOWN)
1588 (stem-info . ,ly:stem::calc-stem-info)
1589 (positioning-done . ,ly:stem::calc-positioning-done)
1590 (stencil . ,ly:stem::print)
1591 (X-extent . ,ly:stem::width)
1592 (Y-extent . ,ly:stem::height)
1593 (length . ,ly:stem::calc-length)
1595 (cross-staff . ,ly:stem::calc-cross-staff)
1598 ;; 3.5 (or 3 measured from note head) is standard length
1599 ;; 32nd, 64th flagged stems should be longer
1600 (lengths . (3.5 3.5 3.5 4.5 5.0))
1602 ;; FIXME. 3.5 yields too long beams (according to Ross and
1603 ;; looking at Baerenreiter examples) for a number of common
1604 ;; boundary cases. Subtracting half a beam thickness fixes
1605 ;; this, but the bug may well be somewhere else.
1607 ;; FIXME this should come from 'lengths
1608 (beamed-lengths . (3.26 3.5 3.6))
1610 ;; The 'normal' minima
1611 (beamed-minimum-free-lengths . (1.83 1.5 1.25))
1612 ;(beamed-minimum-free-lengths . (2.0 1.83 1.25))
1614 ;; The 'extreme case' minima
1615 (beamed-extreme-minimum-free-lengths . (2.0 1.25))
1617 ;; Stems in unnatural (forced) direction should be shortened by
1618 ;; one staff space, according to [Roush & Gourlay].
1619 ;; Flagged stems we shorten only half a staff space.
1620 (stem-shorten . (1.0 0.5))
1624 ;; We use the normal minima as minimum for the ideal lengths,
1625 ;; and the extreme minima as abolute minimum length.
1627 (X-offset . ,ly:stem::offset-callback)
1628 (Y-offset . ,ly:staff-symbol-referencer::callback)
1629 (meta . ((class . Item)
1630 (interfaces . (stem-interface
1631 font-interface))))))
1635 (Y-extent . ,ly:stem-tremolo::height)
1636 (X-extent . ,ly:stem-tremolo::width)
1637 (stencil . ,ly:stem-tremolo::print)
1638 (slope . ,ly:stem-tremolo::calc-slope)
1639 (beam-width . ,ly:stem-tremolo::calc-width) ; staff-space
1640 (style . ,ly:stem-tremolo::calc-style)
1641 (beam-thickness . 0.48) ; staff-space
1642 (meta . ((class . Item)
1643 (interfaces . (stem-tremolo-interface))))))
1647 (stencil . ,print-circled-text-callback)
1648 (text . ,string-number::calc-text)
1650 (staff-padding . 0.5)
1651 (self-alignment-X . 0)
1652 (self-alignment-Y . 0)
1653 (script-priority . 100)
1654 (font-encoding . fetaNumber)
1655 (font-size . -5) ; don't overlap when next to heads.
1656 (meta . ((class . Item)
1657 (interfaces . (string-number-interface
1659 text-script-interface
1661 side-position-interface
1662 self-alignment-interface
1667 (stencil . ,ly:text-interface::print)
1668 (text . ,stroke-finger::calc-text)
1669 (digit-names . #("p" "i" "m" "a" "x"))
1671 (staff-padding . 0.5)
1672 (self-alignment-X . 0)
1673 (self-alignment-Y . 0)
1674 (script-priority . 100)
1675 (font-shape . italic)
1676 (font-size . -4) ; don't overlap when next to heads.
1677 (meta . ((class . Item)
1678 (interfaces . (stroke-finger-interface
1680 text-script-interface
1682 side-position-interface
1683 self-alignment-interface
1689 (extra-spacing-width . (+inf.0 . -inf.0))
1690 (stencil . ,ly:sustain-pedal::print)
1691 (self-alignment-X . 0)
1692 (direction . ,RIGHT)
1693 (padding . 0.0) ;; padding relative to SustainPedalLineSpanner
1694 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1695 (meta . ((class . Item)
1696 (interfaces . (piano-pedal-interface
1698 self-alignment-interface
1699 piano-pedal-script-interface
1700 font-interface))))))
1702 (SustainPedalLineSpanner
1705 (Y-extent . ,ly:axis-group-interface::height)
1706 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1709 (staff-padding . 1.2)
1710 (minimum-space . 1.0)
1712 (meta . ((class . Spanner)
1713 (interfaces . (piano-pedal-interface
1714 axis-group-interface
1715 side-position-interface))))))
1720 (X-extent . ,ly:axis-group-interface::width)
1721 (Y-extent . ,ly:axis-group-interface::height)
1722 (vertical-skylines . ,ly:axis-group-interface::calc-skylines)
1723 (max-stretch . ,ly:axis-group-interface::calc-max-stretch)
1724 (skyline-horizontal-padding . 1.0)
1725 (meta . ((class . System)
1726 (interfaces . (system-interface
1727 axis-group-interface))))))
1733 (stencil . ,ly:system-start-delimiter::print)
1734 (collapse-height . 5.0)
1735 (X-offset . ,ly:side-position-interface::x-aligned-side)
1737 (font-encoding . fetaBraces)
1739 (meta . ((class . Spanner)
1740 (interfaces . (system-start-delimiter-interface
1741 side-position-interface
1742 font-interface))))))
1748 (X-offset . ,ly:side-position-interface::x-aligned-side)
1750 (stencil . ,ly:system-start-delimiter::print)
1751 (style . line-bracket)
1753 (meta . ((class . Spanner)
1754 (interfaces . (font-interface
1755 side-position-interface
1756 system-start-delimiter-interface))))))
1761 (X-offset . ,ly:side-position-interface::x-aligned-side)
1763 (stencil . ,ly:system-start-delimiter::print)
1765 (collapse-height . 5.0)
1767 (meta . ((class . Spanner)
1768 (interfaces . (font-interface
1769 side-position-interface
1770 system-start-delimiter-interface))))))
1777 (padding . -0.1) ;; bar must cover rounded ending of staff line.
1778 (X-offset . ,ly:side-position-interface::x-aligned-side)
1782 (stencil . ,ly:system-start-delimiter::print)
1783 (meta . ((class . Spanner)
1784 (interfaces . (side-position-interface
1785 system-start-delimiter-interface))))))
1789 (stencil . ,ly:text-interface::print)
1790 (Y-offset . ,ly:staff-symbol-referencer::callback)
1791 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1794 (stem-attachment . (0.0 . 1.35))
1795 (font-series . bold)
1796 (meta . ((class . Item)
1798 . (rhythmic-head-interface
1799 font-interface rhythmic-grob-interface
1801 staff-symbol-referencer-interface
1802 text-interface))))))
1806 (extra-spacing-width . (+inf.0 . -inf.0))
1807 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1808 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1812 ;; sync with Fingering ?
1814 (staff-padding . 0.5)
1816 (stencil . ,ly:text-interface::print)
1817 (direction . ,ly:script-interface::calc-direction)
1818 (positioning-done . ,ly:script-interface::calc-positioning-done)
1820 (outside-staff-priority . 450)
1821 (avoid-slur . around)
1822 (slur-padding . 0.5)
1823 (script-priority . 200)
1824 ;; todo: add X self alignment?
1825 (meta . ((class . Item)
1826 (interfaces . (text-script-interface
1828 side-position-interface
1829 font-interface))))))
1833 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1834 (font-shape . italic)
1835 (style . dashed-line)
1836 (staff-padding . 0.8)
1837 (dash-fraction . 0.2)
1841 (outside-staff-priority . 350)
1843 (left-bound-info . ,ly:line-spanner::calc-left-bound-info)
1844 (right-bound-info . ,ly:line-spanner::calc-right-bound-info)
1845 (bound-details . ((left . ((Y . 0)
1847 (attach-dir . ,LEFT)
1853 (stencil . ,ly:line-spanner::print)
1855 (meta . ((class . Spanner)
1856 (interfaces . (line-spanner-interface
1857 side-position-interface
1858 font-interface))))))
1862 (control-points . ,ly:tie::calc-control-points)
1863 (springs-and-rods . ,ly:spanner::set-spacing-rods)
1864 (avoid-slur . inside)
1865 (direction . ,ly:tie::calc-direction)
1866 (stencil . ,ly:tie::print)
1869 ;; for a full list, see tie-details.cc
1871 (center-staff-line-clearance . 0.6)
1872 (tip-staff-line-clearance . 0.45)
1873 (note-head-gap . 0.2)
1875 (height-limit . 1.0)
1876 (horizontal-distance-penalty-factor . 10)
1877 (same-dir-as-stem-penalty . 8)
1878 (min-length-penalty-factor . 26)
1879 (tie-tie-collision-distance . 0.45)
1880 (tie-tie-collision-penalty . 25.0)
1881 (intra-space-threshold . 1.25)
1882 (outer-tie-vertical-distance-symmetry-penalty-factor . 10)
1883 (outer-tie-length-symmetry-penalty-factor . 10)
1884 (vertical-distance-penalty-factor . 7)
1885 (outer-tie-vertical-gap . 0.25)
1886 (multi-tie-region-size . 1)
1887 (single-tie-region-size . 4)
1888 (between-length-limit . 1.0)))
1891 (line-thickness . 0.8)
1892 (meta . ((class . Spanner)
1893 (interfaces . (tie-interface))))
1898 (positioning-done . ,ly:tie-column::calc-positioning-done)
1899 (before-line-breaking . ,ly:tie-column::before-line-breaking)
1902 (meta . ((class . Spanner)
1903 (interfaces . (tie-column-interface))))))
1907 (stencil . ,ly:time-signature::print)
1908 (break-align-symbol . time-signature)
1909 (break-align-anchor . ,ly:break-aligned-interface::calc-extent-aligned-anchor)
1910 (break-visibility . ,all-visible)
1911 (avoid-slur . inside)
1913 (first-note . (fixed-space . 2.0))
1914 (right-edge . (extra-space . 0.5))
1915 (staff-bar . (minimum-space . 2.0))))
1918 (meta . ((class . Item)
1919 (interfaces . (time-signature-interface
1920 break-aligned-interface
1921 font-interface))))))
1925 (left-bound-info . ,ly:line-spanner::calc-left-bound-info)
1926 (right-bound-info . ,ly:line-spanner::calc-right-bound-info)
1928 (bound-details . ((left . ((text . ,(make-translate-scaled-markup
1930 (make-musicglyph-markup "scripts.trill")))
1933 (attach-dir . ,LEFT)
1938 (stencil . ,ly:line-spanner::print)
1941 (staff-padding . 1.0)
1944 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1946 (outside-staff-priority . 50)
1947 (meta . ((class . Spanner)
1948 (interfaces . (line-spanner-interface
1950 trill-spanner-interface
1951 side-position-interface
1952 font-interface))))))
1954 (TrillPitchAccidental
1955 . ((X-offset . ,ly:side-position-interface::x-aligned-side)
1960 (stencil . ,ly:accidental-interface::print)
1961 (Y-extent . ,ly:accidental-interface::height)
1962 (glyph-name-alist . ,standard-alteration-glyph-name-alist)
1963 (meta . ((class . Item)
1964 (interfaces . (trill-pitch-accidental-interface
1965 accidental-interface
1966 side-position-interface
1967 font-interface))))))
1970 . ((X-offset . ,ly:side-position-interface::x-aligned-side)
1973 (stencil . ,parenthesize-elements)
1974 (stencils . ,parentheses-item::calc-parenthesis-stencils)
1975 (direction . ,RIGHT)
1978 (meta . ((class . Item)
1979 (interfaces . (side-position-interface
1980 parentheses-interface
1982 rhythmic-head-interface
1984 axis-group-interface))))))
1988 (stencil . ,ly:note-head::print)
1990 (Y-offset . ,ly:staff-symbol-referencer::callback)
1992 (meta . ((class . Item)
1993 (interfaces . (rhythmic-head-interface
1995 pitched-trill-interface
1997 staff-symbol-referencer-interface))))))
2003 (edge-height . (0.7 . 0.7))
2004 (shorten-pair . (-0.2 . -0.2))
2005 (staff-padding . 0.25)
2006 (direction . ,ly:tuplet-bracket::calc-direction)
2007 (positions . ,ly:tuplet-bracket::calc-positions)
2008 (connect-to-neighbor . ,ly:tuplet-bracket::calc-connect-to-neighbors)
2009 (control-points . ,ly:tuplet-bracket::calc-control-points)
2010 (stencil . ,ly:tuplet-bracket::print)
2011 (cross-staff . ,ly:tuplet-bracket::calc-cross-staff)
2013 (meta . ((class . Spanner)
2014 (interfaces . (line-interface
2015 tuplet-bracket-interface))))))
2019 (stencil . ,ly:tuplet-number::print)
2020 (text . ,tuplet-number::calc-denominator-text)
2021 (font-shape . italic)
2023 (avoid-slur . inside)
2024 (cross-staff . ,ly:tuplet-number::calc-cross-staff)
2025 (meta . ((class . Spanner)
2026 (interfaces . (text-interface tuplet-number-interface
2027 font-interface))))))
2031 (stencil . ,ly:text-interface::print)
2032 (font-shape . italic)
2033 (extra-spacing-width . (+inf.0 . -inf.0))
2034 (self-alignment-X . 0)
2035 (direction . ,RIGHT)
2036 (padding . 0.0) ;; padding relative to UnaCordaPedalLineSpanner
2037 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
2038 (meta . ((class . Item)
2039 (interfaces . (text-interface
2040 piano-pedal-script-interface
2041 self-alignment-interface
2042 font-interface))))))
2044 (UnaCordaPedalLineSpanner
2047 (Y-extent . ,ly:axis-group-interface::height)
2048 (Y-offset . ,ly:side-position-interface::y-aligned-side)
2051 (staff-padding . 1.2)
2052 (minimum-space . 1.0)
2054 (meta . ((class . Spanner)
2055 (interfaces . (piano-pedal-interface
2056 axis-group-interface
2057 side-position-interface))))))
2063 (stencil . ,ly:vaticana-ligature::print)
2064 (meta . ((class . Spanner)
2065 (interfaces . (vaticana-ligature-interface
2066 font-interface))))))
2071 (positioning-done . ,ly:align-interface::calc-positioning-done)
2072 (after-line-breaking . ,ly:align-interface::stretch-after-break)
2073 (Y-extent . ,ly:axis-group-interface::height)
2074 (X-extent . ,ly:axis-group-interface::width)
2077 (vertical-skylines . ,ly:axis-group-interface::combine-skylines)
2078 (max-stretch . ,ly:align-interface::calc-max-stretch)
2079 (meta . ((class . Spanner)
2080 (object-callbacks . ((Y-common . ,ly:axis-group-interface::calc-y-common)))
2081 (interfaces . (align-interface
2082 axis-group-interface))))))
2086 (Y-offset . ,ly:hara-kiri-group-spanner::force-hara-kiri-callback)
2087 (Y-extent . ,ly:hara-kiri-group-spanner::y-extent)
2088 (X-extent . ,ly:axis-group-interface::width)
2089 (vertical-skylines . ,ly:hara-kiri-group-spanner::calc-skylines)
2090 (max-stretch . ,ly:axis-group-interface::calc-max-stretch)
2091 (stencil . ,ly:axis-group-interface::print)
2092 (adjacent-pure-heights . ,ly:axis-group-interface::adjacent-pure-heights)
2093 (meta . ((class . Spanner)
2094 (object-callbacks . ((X-common . ,ly:axis-group-interface::calc-x-common)))
2095 (interfaces . (axis-group-interface
2096 hara-kiri-group-spanner-interface
2097 vertically-spaceable-interface))))))
2102 (stencil . ,ly:volta-bracket-interface::print)
2105 (font-encoding . fetaNumber)
2106 (minimum-Y-extent . (0 . 2))
2107 (Y-offset . ,ly:side-position-interface::y-aligned-side)
2109 (thickness . 1.6) ;; line-thickness
2110 (edge-height . (2.0 . 2.0)) ;; staff-space;
2112 (outside-staff-priority . 100)
2113 (meta . ((class . Spanner)
2114 (interfaces . (volta-bracket-interface
2115 horizontal-bracket-interface
2118 side-position-interface
2130 (bound-details . ((right . ((attach-dir . ,CENTER)
2133 (left . ((attach-dir . ,CENTER)
2137 (stencil . ,ly:line-spanner::print)
2138 (left-bound-info . ,ly:line-spanner::calc-left-bound-info)
2139 (right-bound-info . ,ly:line-spanner::calc-right-bound-info)
2140 (meta . ((class . Spanner)
2141 (interfaces . (line-spanner-interface
2147 (define (completize-grob-entry x)
2148 "Transplant assoc key into 'name entry of 'meta of X. Set interfaces for Item, Spanner etc.
2150 ;; (display (car x))
2152 (let* ((name-sym (car x))
2153 (grob-entry (cdr x))
2154 (meta-entry (cdr (assoc 'meta grob-entry)))
2155 (class (cdr (assoc 'class meta-entry)))
2157 (cdr (assoc 'interfaces meta-entry))))
2161 (set! ifaces-entry (cons 'item-interface ifaces-entry)))
2162 ((eq? 'Spanner class)
2163 (set! ifaces-entry (cons 'spanner-interface ifaces-entry)))
2164 ((eq? 'Paper_column class)
2165 (set! ifaces-entry (cons 'item-interface
2166 (cons 'paper-column-interface ifaces-entry))))
2167 ((eq? 'System class)
2168 (set! ifaces-entry (cons 'system-interface
2169 (cons 'spanner-interface ifaces-entry))))
2171 (ly:warning "Unknown class ~a" class)))
2173 (set! ifaces-entry (uniq-list (sort ifaces-entry symbol<?)))
2174 (set! ifaces-entry (cons 'grob-interface ifaces-entry))
2176 (set! meta-entry (assoc-set! meta-entry 'name name-sym))
2177 (set! meta-entry (assoc-set! meta-entry 'interfaces
2179 (set! grob-entry (assoc-set! grob-entry 'meta meta-entry))
2180 (cons name-sym grob-entry)))
2182 (set! all-grob-descriptions (map completize-grob-entry all-grob-descriptions))
2184 ;; (display (map pair? all-grob-descriptions))
2186 ;; make sure that \property Foo.Bar =\turnOff doesn't complain
2189 ;; (display (car x)) (newline)
2191 (set-object-property! (car x) 'translation-type? list?)
2192 (set-object-property! (car x) 'is-grob? #t))
2193 all-grob-descriptions)
2195 (set! all-grob-descriptions (sort all-grob-descriptions alist<?))
2197 (define pure-print-callbacks
2199 print-circled-text-callback
2202 ly:arpeggio::brew-chord-bracket
2207 ly:text-interface::print
2208 ly:script-interface::print))
2210 ;; ly:grob::stencil-extent is safe iff the print callback is safe too
2211 (define (pure-stencil-height grob start stop)
2212 (let ((sten (ly:grob-property-data grob 'stencil)))
2215 (memq sten pure-print-callbacks))
2216 (ly:grob::stencil-height grob)
2219 (define pure-conversions-alist
2221 (,ly:accidental-interface::height . ,ly:accidental-interface::pure-height)
2222 (,ly:arpeggio::height . ,ly:arpeggio::pure-height)
2223 (,ly:slur::outside-slur-callback . ,ly:slur::pure-outside-slur-callback)
2224 (,ly:stem::height . ,ly:stem::pure-height)
2225 (,ly:rest::height . ,ly:rest::pure-height)
2226 (,ly:grob::stencil-height . ,pure-stencil-height)
2227 (,ly:side-position-interface::y-aligned-side . ,ly:side-position-interface::pure-y-aligned-side)
2228 (,ly:axis-group-interface::height . ,ly:axis-group-interface::pure-height)
2229 (,ly:hara-kiri-group-spanner::y-extent . ,ly:hara-kiri-group-spanner::pure-height)
2230 (,ly:slur::height . ,ly:slur::pure-height)
2231 (,ly:side-position-interface::y-aligned-side . ,ly:side-position-interface::pure-y-aligned-side)))
2233 (define pure-functions
2235 ly:staff-symbol-referencer::callback
2236 ly:staff-symbol::height))
2238 (define-public (pure-relevant? grob)
2239 (let ((extent-callback (ly:grob-property-data grob 'Y-extent)))
2242 (pair? extent-callback)
2243 (memq extent-callback pure-functions)
2245 (pair? (assq extent-callback pure-conversions-alist))
2248 (not (eq? extent-callback ly:grob::stencil-height))
2249 (memq (ly:grob-property-data grob 'stencil) pure-print-callbacks)
2250 (ly:stencil? (ly:grob-property-data grob 'stencil))
2254 (define-public (call-pure-function unpure args start end)
2255 (if (ly:simple-closure? unpure)
2256 (ly:eval-simple-closure (car args) unpure start end)
2257 (if (not (procedure? unpure))
2259 (if (memq unpure pure-functions)
2261 (let ((pure (assq unpure pure-conversions-alist)))
2265 (list (car args) start end)