1 ;;;; define-grobs.scm --
3 ;;;; source file of the GNU LilyPond music typesetter
5 ;;;; (c) 1998--2009 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)
27 (X-extent . ,ly:accidental-interface::width)
28 (meta . ((class . Item)
29 (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)
40 (meta . ((class . Item)
41 (interfaces . (accidental-interface
46 (stencil . ,ly:accidental-interface::print)
47 (X-extent . ,ly:accidental-interface::width)
48 (Y-extent . ,ly:accidental-interface::height)
49 (X-offset . ,(ly:make-simple-closure
51 ,(ly:make-simple-closure
52 (list ly:self-alignment-interface::centered-on-x-parent))
53 ,(ly:make-simple-closure
54 (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)
129 (meta . ((class . Item)
132 break-aligned-interface
133 side-position-interface
139 (stencil . ,ly:note-head::print)
140 (glyph-name . ,note-head::calc-glyph-name)
141 (Y-offset . ,ly:staff-symbol-referencer::callback)
142 (meta . ((class . Item)
143 (interfaces . (font-interface
146 staff-symbol-referencer-interface
147 rhythmic-head-interface
148 ledgered-interface))))))
151 . ((X-extent . ,ly:arpeggio::width)
152 (stencil . ,ly:arpeggio::print)
153 (Y-offset . ,ly:staff-symbol-referencer::callback)
154 (X-offset . ,ly:side-position-interface::x-aligned-side)
156 (positions . ,ly:arpeggio::calc-positions)
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 . (balloon-interface
179 (break-align-symbol . staff-bar)
180 (break-align-anchor . ,ly:bar-line::calc-anchor)
184 (break-visibility . ,bar-line::calc-break-visibility)
186 (stencil . ,ly:bar-line::print)
187 (glyph-name . ,bar-line::calc-glyph-name)
188 (bar-size . ,ly:bar-line::calc-bar-size)
189 (bar-extent . ,ly:bar-line::calc-bar-extent)
190 (allow-span-bar . #t)
193 (time-signature . (extra-space . 0.75))
194 (custos . (minimum-space . 2.0))
195 (clef . (minimum-space . 1.0))
196 (key-signature . (extra-space . 1.0))
197 (key-cancellation . (extra-space . 1.0))
198 (first-note . (fixed-space . 1.3))
199 (next-note . (semi-fixed-space . 0.9))
200 (right-edge . (extra-space . 0.0))))
203 ;; Ross. page 151 lists other values, we opt for a leaner look
206 ;; kern should scale with line-thickness too.
209 (hair-thickness . 1.9)
210 (thick-thickness . 6.0)
211 (meta . ((class . Item)
212 (interfaces . (bar-line-interface
213 break-aligned-interface
218 (stencil . ,ly:text-interface::print)
220 (break-visibility . ,begin-of-line-visible)
223 (font-family . roman)
225 (Y-offset . ,ly:side-position-interface::y-aligned-side)
227 (outside-staff-priority . 100)
228 (X-offset . ,(ly:make-simple-closure
230 ,(ly:make-simple-closure
231 (list ly:break-alignable-interface::self-align-callback))
232 ,(ly:make-simple-closure
233 (list ly:self-alignment-interface::x-aligned-on-self)))))
235 (self-alignment-X . ,RIGHT)
237 ;; want the bar number before the clef at line start.
238 (break-align-symbols . (left-edge staff-bar))
241 (interfaces . (side-position-interface
243 break-alignable-interface
244 self-alignment-interface
249 (stencil . ,ly:text-interface::print)
250 (meta . ((class . Item)
251 (interfaces . (text-interface
252 rhythmic-grob-interface
253 bass-figure-interface
259 (threshold . (2 . 1000))
260 (positioning-done . ,ly:align-interface::calc-positioning-done)
261 (Y-extent . ,ly:axis-group-interface::height)
262 (stacking-dir . ,DOWN)
264 (meta . ((class . Spanner)
265 (interfaces . (align-interface
266 bass-figure-alignment-interface
267 axis-group-interface))))))
269 (BassFigureAlignmentPositioning
270 . ((Y-offset . ,ly:side-position-interface::y-aligned-side)
273 (Y-extent . ,ly:axis-group-interface::height)
275 (staff-padding . 1.0)
277 (meta . ((class . Spanner)
278 (interfaces . (side-position-interface
279 axis-group-interface))))))
283 (stencil . ,ly:enclosing-bracket::print)
284 (X-extent . ,ly:enclosing-bracket::width)
285 (edge-height . (0.2 . 0.2))
286 (meta . ((class . Item)
287 (interfaces . (enclosing-bracket-interface))))))
289 (BassFigureContinuation
291 (stencil . ,ly:figured-bass-continuation::print)
292 (Y-offset . ,ly:figured-bass-continuation::center-on-figures)
293 (meta . ((class . Spanner)
294 (interfaces . (figured-bass-continuation-interface))))))
299 (Y-extent . ,ly:axis-group-interface::height)
300 (vertical-skylines . ,ly:axis-group-interface::calc-skylines)
301 (adjacent-pure-heights . ,ly:axis-group-interface::adjacent-pure-heights)
302 (meta . ((class . Spanner)
303 (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)
332 (secondary-beam-demerit . 10)
333 (stem-length-demerit-factor . 5)
336 (stem-length-limit-penalty . 5000)
337 (damping-direction-penalty . 800)
338 (hint-direction-penalty . 20)
339 (musical-direction-factor . 400)
340 (ideal-slope-factor . 10)
341 (round-to-zero-slope . 0.02)))
342 ;; TODO: should be in SLT.
343 (thickness . 0.48) ; in staff-space
344 (neutral-direction . ,DOWN)
346 ;; Whe have some unreferenced problems here.
348 ;; If we shorten beamed stems less than normal stems (1 staff-space),
349 ;; or high order less than 8th beams, patterns like
350 ;; c''4 [c''8 c''] c''4 [c''16 c]
351 ;; are ugly (different stem lengths).
353 ;; But if we shorten 16th beams as much as 8th beams, a single
354 ;; forced 16th beam looks *very* short.
356 ;; We choose to shorten 8th beams the same as single stems,
357 ;; and high order beams less than 8th beams, so that all
358 ;; isolated shortened beams look nice and a bit shortened,
359 ;; sadly possibly breaking patterns with high order beams.
360 (beamed-stem-shorten . (1.0 0.5 0.25))
362 (auto-knee-gap . 5.5)
364 ;; only for debugging.
365 (font-family . roman)
366 (meta . ((class . Spanner)
367 (object-callbacks . ((normal-stems . ,ly:beam::calc-normal-stems)))
368 (interfaces . (staff-symbol-referencer-interface
369 unbreakable-spanner-interface
375 (stencil . ,bend::print)
376 (minimum-length . 0.5)
378 (meta . ((class . Spanner)
379 (interfaces . (spanner-interface
380 bend-after-interface))))))
386 (positioning-done . ,ly:break-alignment-interface::calc-positioning-done)
387 (X-extent . ,ly:axis-group-interface::width)
388 (break-align-orders . ;; end of line
424 (meta . ((class . Item)
425 (interfaces . (break-alignment-interface
426 axis-group-interface))))))
431 (X-extent . ,ly:axis-group-interface::width)
432 (break-align-anchor . ,ly:break-aligned-interface::calc-average-anchor)
433 (break-visibility . ,ly:break-aligned-interface::calc-break-visibility)
434 (meta . ((class . Item)
435 (interfaces . (break-aligned-interface
436 axis-group-interface))))))
440 (break-align-symbol . breathing-sign)
443 (ambitus . (extra-space . 2.0))
444 (custos . (minimum-space . 1.0))
445 (key-signature . (minimum-space . 1.5))
446 (time-signature . (minimum-space . 1.5))
447 (staff-bar . (minimum-space . 1.5))
448 (clef . (minimum-space . 2.0))
449 (first-note . (fixed-space . 1.0)) ;huh?
450 (right-edge . (extra-space . 0.1))))
451 (stencil . ,ly:text-interface::print)
452 (text . ,(make-musicglyph-markup "scripts.rcomma"))
453 (Y-offset . ,ly:breathing-sign::offset-callback)
454 (break-visibility . ,begin-of-line-invisible)
455 (meta . ((class . Item)
456 (interfaces . (break-aligned-interface
457 breathing-sign-interface
463 (stencil . ,ly:clef::print)
464 (glyph-name . ,ly:clef::calc-glyph-name)
466 (avoid-slur . inside)
467 (font-family . music)
468 (break-align-symbol . clef)
469 (break-align-anchor . ,ly:break-aligned-interface::calc-extent-aligned-anchor)
470 (break-visibility . ,begin-of-line-visible)
471 (space-alist . ((ambitus . (extra-space . 2.0))
472 (staff-bar . (extra-space . 0.7))
473 (key-cancellation . (minimum-space . 3.5))
474 (key-signature . (minimum-space . 3.5))
475 (time-signature . (minimum-space . 4.2))
476 (first-note . (minimum-fixed-space . 5.0))
477 (next-note . (extra-space . 0.5))
478 (right-edge . (extra-space . 0.5))))
479 (Y-offset . ,ly:staff-symbol-referencer::callback)
480 (meta . ((class . Item)
481 (interfaces . (clef-interface
482 staff-symbol-referencer-interface
484 break-aligned-interface))))))
486 (ClusterSpannerBeacon
488 (Y-extent . ,ly:cluster-beacon::height)
489 (meta . ((class . Item)
490 (interfaces . (rhythmic-grob-interface
491 cluster-beacon-interface))))))
495 (springs-and-rods . ,ly:spanner::set-spacing-rods)
496 (stencil . ,ly:cluster::print)
497 (minimum-length . 0.0)
499 (cross-staff . ,ly:cluster::calc-cross-staff)
501 (meta . ((class . Spanner)
502 (interfaces . (cluster-interface))))))
506 (stencil . ,ly:text-interface::print)
507 (after-line-breaking . ,ly:chord-name::after-line-breaking)
511 (meta . ((class . Item)
512 (interfaces . (font-interface
513 rhythmic-grob-interface
515 chord-name-interface))))))
519 (stencil . ,ly:text-interface::print)
520 (extra-spacing-width . (+inf.0 . -inf.0))
521 (Y-offset . ,ly:side-position-interface::y-aligned-side)
522 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
525 (staff-padding . 0.5)
526 (script-priority . 200)
527 ;; todo: add X self alignment?
530 (avoid-slur . outside)
532 (meta . ((class . Item)
533 (interfaces . (text-script-interface
535 side-position-interface
540 (break-align-symbol . custos)
542 (stencil . ,ly:custos::print)
543 (break-visibility . ,end-of-line-visible)
545 (neutral-direction . ,DOWN)
546 (Y-offset . ,ly:staff-symbol-referencer::callback)
548 (first-note . (minimum-fixed-space . 0.0))
549 (right-edge . (extra-space . 0.1))))
550 (meta . ((class . Item)
551 (interfaces . (custos-interface
552 staff-symbol-referencer-interface
554 break-aligned-interface))))))
560 (positioning-done . ,ly:dot-column::calc-positioning-done)
561 (X-extent . ,ly:axis-group-interface::width)
562 (meta . ((class . Item)
563 (interfaces . (dot-column-interface
564 axis-group-interface))))))
568 (stencil . ,ly:dots::print)
569 (dot-count . ,dots::calc-dot-count)
570 (staff-position . ,dots::calc-staff-position)
571 (meta . ((class . Item)
572 (interfaces . (font-interface
573 staff-symbol-referencer-interface
578 (stencil . ,ly:percent-repeat-item-interface::double-percent)
581 (dot-negative-kern . 0.75)
582 (slash-negative-kern . 1.6)
583 (font-encoding . fetaMusic)
586 (break-align-symbol . staff-bar)
587 (break-visibility . ,begin-of-line-invisible)
588 (meta . ((class . Item)
589 (interfaces . (font-interface
590 break-aligned-interface
591 percent-repeat-interface
592 percent-repeat-item-interface))))))
594 (DoublePercentRepeatCounter
596 (stencil . ,ly:text-interface::print)
597 (X-offset . ,(ly:make-simple-closure
599 ,(ly:make-simple-closure
600 (list ly:self-alignment-interface::centered-on-y-parent))
601 ,(ly:make-simple-closure
602 (list ly:self-alignment-interface::x-aligned-on-self)))))
603 (Y-offset . ,ly:side-position-interface::y-aligned-side)
604 (font-encoding . fetaNumber)
605 (self-alignment-X . ,CENTER)
609 (staff-padding . 0.25)
611 (meta . ((class . Item)
612 (interfaces . (side-position-interface
613 self-alignment-interface
614 percent-repeat-item-interface
615 percent-repeat-interface
622 (Y-offset . ,ly:side-position-interface::y-aligned-side)
623 (staff-padding . 0.1)
626 (minimum-space . 1.2)
629 (outside-staff-priority . 250)
630 (Y-extent . ,ly:axis-group-interface::height)
631 (X-extent . ,ly:axis-group-interface::width)
632 (cross-staff . ,ly:side-position-interface::calc-cross-staff)
633 (meta . ((class . Spanner)
634 (interfaces . (axis-group-interface
636 dynamic-line-spanner-interface
637 side-position-interface))))))
644 (stencil . ,ly:text-interface::print)
645 (direction . ,ly:script-interface::calc-direction)
646 (positioning-done . ,ly:script-interface::calc-positioning-done)
648 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
649 (self-alignment-X . ,CENTER)
650 (Y-offset . ,ly:self-alignment-interface::y-aligned-on-self)
651 (self-alignment-Y . ,CENTER)
653 (font-encoding . fetaDynamic)
654 (font-shape . italic)
655 (extra-spacing-width . (+inf.0 . -inf.0))
656 (outside-staff-priority . 250)
657 (meta . ((class . Item)
658 (interfaces . (font-interface
660 self-alignment-interface
662 script-interface))))))
666 ;; rather ugh with NCSB
667 ;; (font-series . bold)
668 (font-shape . italic)
669 (style . dashed-line)
671 ;; make sure the spanner doesn't get too close to notes
672 (minimum-Y-extent . (-1 . 1))
673 (bound-details . ((right . ((attach-dir . ,LEFT)
677 (right-broken . ((attach-dir . ,RIGHT)
681 (left . ((attach-dir . ,LEFT)
683 (stencil-offset . (0 . -0.5))
686 (left-broken . ((attach-dir . ,RIGHT)
689 (stencil . ,ly:line-spanner::print)
690 (left-bound-info . ,ly:line-spanner::calc-left-bound-info-and-text)
691 (right-bound-info . ,ly:line-spanner::calc-right-bound-info)
693 ;; need to blend with dynamic texts.
695 (dash-fraction . 0.2)
697 (meta . ((class . Spanner)
698 (interfaces . (font-interface
700 line-spanner-interface
703 dynamic-text-spanner-interface
704 spanner-interface))))))
710 ;; sync with TextScript (?)
713 (avoid-slur . around)
715 (staff-padding . 0.5)
716 (self-alignment-X . ,CENTER)
717 (self-alignment-Y . ,CENTER)
718 (script-priority . 100)
719 (stencil . ,ly:text-interface::print)
720 (direction . ,ly:script-interface::calc-direction)
721 (positioning-done . ,ly:script-interface::calc-positioning-done)
722 (cross-staff . ,ly:side-position-interface::calc-cross-staff)
724 (text . ,fingering::calc-text)
725 (font-encoding . fetaNumber)
726 (font-size . -5) ; don't overlap when next to heads.
727 (meta . ((class . Item)
728 (interfaces . (finger-interface
730 text-script-interface
732 side-position-interface
733 self-alignment-interface))))))
736 . ((stencil . ,fret-board::calc-stencil)
737 (after-line-breaking . ,ly:chord-name::after-line-breaking)
738 (fret-diagram-details . ((finger-code . below-string)))
739 (meta . ((class . Item)
740 (interfaces . (fret-diagram-interface
741 rhythmic-grob-interface
750 (zigzag-width . 0.75)
753 (bound-details . ((right . ((attach-dir . ,CENTER)
756 (left . ((attach-dir . ,CENTER)
760 (after-line-breaking . ,ly:spanner::kill-zero-spanned-time)
761 (stencil . ,ly:line-spanner::print)
762 (left-bound-info . ,ly:line-spanner::calc-left-bound-info)
763 (right-bound-info . ,ly:line-spanner::calc-right-bound-info)
764 (meta . ((class . Spanner)
765 (interfaces . (line-interface
766 unbreakable-spanner-interface
767 line-spanner-interface))))))
771 (common-shortest-duration . ,grace-spacing::calc-shortest-duration)
772 (spacing-increment . 0.8)
773 (shortest-duration-space . 1.6)
774 (meta . ((class . Spanner)
775 (interfaces . (grace-spacing-interface
776 spacing-options-interface
777 spanner-interface))))))
783 (meta . ((class . Item)
784 (interfaces . (grid-point-interface))))))
788 (X-extent . ,ly:grid-line-interface::width)
789 (stencil . ,ly:grid-line-interface::print)
790 (self-alignment-X . ,CENTER)
791 (X-offset . ,(ly:make-simple-closure
793 ,(ly:make-simple-closure
794 (list ly:self-alignment-interface::centered-on-x-parent))
795 ,(ly:make-simple-closure
796 (list ly:self-alignment-interface::x-aligned-on-self)))))
798 (meta . ((class . Item)
799 (interfaces . (self-alignment-interface
800 grid-line-interface))))))
805 (stencil . ,ly:hairpin::print)
806 (springs-and-rods . ,ly:spanner::set-spacing-rods)
807 (after-line-breaking . ,ly:spanner::kill-zero-spanned-time)
808 (grow-direction . ,hairpin::calc-grow-direction)
813 (minimum-length . 2.0)
814 (bound-padding . 1.0)
815 (self-alignment-Y . ,CENTER)
816 (Y-offset . ,ly:self-alignment-interface::y-aligned-on-self)
817 (Y-extent . ,ly:hairpin::height)
818 (meta . ((class . Spanner)
819 (interfaces . (hairpin-interface
821 self-alignment-interface
823 spanner-interface))))))
828 (stencil . ,ly:horizontal-bracket::print)
829 (Y-offset . ,ly:side-position-interface::y-aligned-side)
830 (connect-to-neighbor . ,ly:tuplet-bracket::calc-connect-to-neighbors)
833 (staff-padding . 0.2)
836 (bracket-flare . (0.5 . 0.5))
837 (meta . ((class . Spanner)
838 (interfaces . (horizontal-bracket-interface
839 side-position-interface
841 spanner-interface))))))
847 (stencil . ,ly:system-start-text::print)
848 (X-offset . ,ly:side-position-interface::x-aligned-side)
850 (self-alignment-Y . ,CENTER)
851 (self-alignment-X . ,CENTER)
852 (meta . ((class . Spanner)
853 (interfaces . (system-start-text-interface
854 side-position-interface
855 self-alignment-interface
861 (stencil . ,ly:text-interface::print)
862 (Y-offset . ,ly:side-position-interface::y-aligned-side)
863 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
864 (staff-padding . 0.5)
867 (self-alignment-X . ,LEFT)
868 (outside-staff-priority . 500)
869 (extra-spacing-width . (+inf.0 . -inf.0))
870 (meta . ((class . Item)
871 (interfaces . (side-position-interface
872 self-alignment-interface
879 (stencil . ,ly:key-signature-interface::print)
880 (glyph-name-alist . ,cancellation-glyph-name-alist)
882 (time-signature . (extra-space . 1.25))
883 (staff-bar . (extra-space . 0.6))
884 (key-signature . (extra-space . 0.5))
885 (right-edge . (extra-space . 0.5))
886 (first-note . (fixed-space . 2.5))))
887 (Y-offset . ,ly:staff-symbol-referencer::callback)
888 (break-align-symbol . key-cancellation)
889 (break-visibility . ,begin-of-line-invisible)
891 (meta . ((class . Item)
892 (interfaces . (key-cancellation-interface
893 key-signature-interface
894 staff-symbol-referencer-interface
896 break-aligned-interface))))))
900 (stencil . ,ly:key-signature-interface::print)
901 (avoid-slur . inside)
902 (glyph-name-alist . ,standard-alteration-glyph-name-alist)
904 (time-signature . (extra-space . 1.15))
905 (staff-bar . (extra-space . 1.1))
906 (right-edge . (extra-space . 0.5))
907 (first-note . (fixed-space . 2.5))))
908 (Y-offset . ,ly:staff-symbol-referencer::callback)
909 (break-align-symbol . key-signature)
910 (break-align-anchor . ,ly:break-aligned-interface::calc-extent-aligned-anchor)
911 (break-visibility . ,begin-of-line-visible)
913 (meta . ((class . Item)
914 (interfaces . (key-signature-interface
915 staff-symbol-referencer-interface
917 break-aligned-interface))))))
922 (stencil . ,ly:tie::print)
923 (control-points . ,ly:semi-tie::calc-control-points)
924 (direction . ,ly:tie::calc-direction)
925 (details . ((ratio . 0.333)
926 (height-limit . 1.0)))
927 (head-direction . ,LEFT)
929 (meta . ((class . Item)
930 (interfaces . (semi-tie-interface))))))
932 (LaissezVibrerTieColumn
936 (head-direction . ,LEFT)
937 (positioning-done . ,ly:semi-tie-column::calc-positioning-done)
938 (meta . ((class . Item)
939 (interfaces . (semi-tie-column-interface))))))
943 (springs-and-rods . ,ly:ledger-line-spanner::set-spacing-rods)
944 (stencil . ,ly:ledger-line-spanner::print)
947 (minimum-length-fraction . 0.25)
948 (length-fraction . 0.25)
950 (meta . ((class . Spanner)
951 (interfaces . (ledger-line-spanner-interface))))))
955 (break-align-symbol . left-edge)
956 (break-align-anchor . ,ly:break-aligned-interface::calc-extent-aligned-anchor)
959 (break-visibility . ,center-invisible)
961 (custos . (extra-space . 0.0))
962 (ambitus . (extra-space . 2.0))
963 (time-signature . (extra-space . 1.0))
964 (staff-bar . (extra-space . 0.0))
965 (breathing-sign . (minimum-space . 0.0))
966 (clef . (extra-space . 0.8))
967 (first-note . (fixed-space . 2.0))
968 (right-edge . (extra-space . 0.0))
969 (key-signature . (extra-space . 0.0))
970 (key-cancellation . (extra-space . 0.0))
972 (meta . ((class . Item)
973 (interfaces . (break-aligned-interface))))))
977 ;; ugh. A ligature bracket is totally different from
982 (edge-height . (0.7 . 0.7))
983 (shorten-pair . (-0.2 . -0.2))
985 (positions . ,ly:tuplet-bracket::calc-positions)
986 (stencil . ,ly:tuplet-bracket::print)
987 (staff-padding . 0.25)
988 (connect-to-neighbor . ,ly:tuplet-bracket::calc-connect-to-neighbors)
989 (control-points . ,ly:tuplet-bracket::calc-control-points)
990 (meta . ((class . Spanner)
991 (interfaces . (line-interface
992 tuplet-bracket-interface))))))
996 (stencil . ,ly:lyric-extender::print)
997 (thickness . 0.8) ; line-thickness
998 (minimum-length . 1.5)
1000 (meta . ((class . Spanner)
1001 (interfaces . (lyric-interface
1002 lyric-extender-interface))))))
1008 (dash-period . 10.0)
1010 (minimum-length . 0.3)
1011 (minimum-distance . 0.1)
1013 (springs-and-rods . ,ly:lyric-hyphen::set-spacing-rods)
1014 (stencil . ,ly:lyric-hyphen::print)
1015 (Y-extent . (0 . 0))
1016 (meta . ((class . Spanner)
1017 (interfaces . (lyric-interface
1019 lyric-hyphen-interface
1020 spanner-interface))))))
1023 . ((minimum-distance . 0.45)
1024 (springs-and-rods . ,ly:lyric-hyphen::set-spacing-rods)
1028 (meta . ((class . Spanner)
1029 (interfaces . (spanner-interface
1030 lyric-hyphen-interface))))))
1034 (stencil . ,lyric-text::print)
1035 (text . ,(grob::calc-property-by-copy 'text))
1036 (X-offset . ,ly:self-alignment-interface::aligned-on-x-parent)
1037 (self-alignment-X . ,CENTER)
1039 (font-series . bold-narrow)
1041 (extra-spacing-width . (0.0 . 0.0))
1042 (meta . ((class . Item)
1043 (interfaces . (rhythmic-grob-interface
1044 lyric-syllable-interface
1045 self-alignment-interface
1047 font-interface))))))
1052 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1054 (stencil . ,ly:measure-grouping::print)
1060 (meta . ((class . Spanner)
1061 (interfaces . (side-position-interface
1062 measure-grouping-interface))))))
1066 (neutral-direction . ,DOWN)
1067 (meta . ((class . Item)
1068 (interfaces . (melody-spanner-interface))))))
1074 (stencil . ,ly:mensural-ligature::print)
1075 (meta . ((class . Spanner)
1076 (interfaces . (mensural-ligature-interface
1077 font-interface))))))
1081 (stencil . ,ly:text-interface::print)
1082 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1086 (extra-spacing-width . (+inf.0 . -inf.0))
1087 (outside-staff-priority . 1000)
1088 (meta . ((class . Item)
1089 (interfaces . (text-interface
1090 side-position-interface
1092 metronome-mark-interface))))))
1096 (stencil . ,ly:multi-measure-rest::print)
1097 (springs-and-rods . ,ly:multi-measure-rest::set-spacing-rods)
1098 (Y-offset . ,ly:staff-symbol-referencer::callback)
1099 (staff-position . 0)
1101 (thick-thickness . 6.6)
1102 (hair-thickness . 2.0)
1104 (meta . ((class . Spanner)
1105 (interfaces . (multi-measure-rest-interface
1106 multi-measure-interface
1109 staff-symbol-referencer-interface))))))
1111 (MultiMeasureRestNumber
1113 (bound-padding . 2.0)
1114 (springs-and-rods . ,ly:multi-measure-rest::set-text-rods)
1115 (stencil . ,ly:text-interface::print)
1116 (X-offset . ,(ly:make-simple-closure
1118 ,(ly:make-simple-closure
1119 (list ly:self-alignment-interface::x-aligned-on-self))
1120 ,(ly:make-simple-closure
1121 (list ly:self-alignment-interface::x-centered-on-y-parent)))))
1122 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1124 (self-alignment-X . ,CENTER)
1127 (staff-padding . 0.4)
1128 (font-encoding . fetaNumber)
1129 (meta . ((class . Spanner)
1130 (interfaces . (side-position-interface
1131 multi-measure-interface
1132 self-alignment-interface
1134 text-interface))))))
1136 (MultiMeasureRestText
1138 (stencil . ,ly:text-interface::print)
1139 (X-offset . ,(ly:make-simple-closure
1141 ,(ly:make-simple-closure
1142 (list ly:self-alignment-interface::x-centered-on-y-parent))
1143 ,(ly:make-simple-closure
1144 (list ly:self-alignment-interface::x-aligned-on-self)))))
1145 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1146 (self-alignment-X . ,CENTER)
1149 (staff-padding . 0.25)
1150 (outside-staff-priority . 450)
1151 (meta . ((class . Spanner)
1152 (interfaces . (side-position-interface
1153 multi-measure-interface
1154 self-alignment-interface
1156 text-interface))))))
1159 (NonMusicalPaperColumn
1161 (allow-loose-spacing . #t)
1163 (before-line-breaking . ,ly:paper-column::before-line-breaking)
1164 (X-extent . ,ly:axis-group-interface::width)
1165 (horizontal-skylines . ,ly:separation-item::calc-skylines)
1166 ;; (stencil . ,ly:paper-column::print)
1169 (line-break-permission . allow)
1170 (page-break-permission . allow)
1171 (full-measure-extra-space . 1.0)
1173 ;; debugging stuff: print column number.
1174 ;; (font-size . -6) (font-name . "sans") (Y-extent . #f)
1176 (meta . ((class . Paper_column)
1177 (interfaces . (paper-column-interface
1178 axis-group-interface
1179 separation-item-interface
1180 spaceable-grob-interface
1181 font-interface))))))
1186 (X-extent . ,ly:axis-group-interface::width)
1187 (Y-extent . ,ly:axis-group-interface::height)
1188 (prefer-dotted-right . #t)
1189 (positioning-done . ,ly:note-collision-interface::calc-positioning-done)
1190 (meta . ((class . Item)
1191 (interfaces . (note-collision-interface
1192 axis-group-interface))))))
1197 (X-extent . ,ly:axis-group-interface::width)
1198 (Y-extent . ,ly:axis-group-interface::height)
1199 (horizontal-skylines . ,ly:separation-item::calc-skylines)
1200 (meta . ((class . Item)
1201 (interfaces . (axis-group-interface
1202 separation-item-interface
1203 note-column-interface))))))
1207 (stencil . ,ly:note-head::print)
1208 (duration-log . ,note-head::calc-duration-log)
1209 (stem-attachment . ,ly:note-head::calc-stem-attachment)
1210 (glyph-name . ,note-head::calc-glyph-name)
1211 (Y-offset . ,ly:staff-symbol-referencer::callback)
1212 (X-offset . ,ly:note-head::stem-x-shift)
1213 (meta . ((class . Item)
1214 (interfaces . (rhythmic-grob-interface
1215 rhythmic-head-interface
1219 staff-symbol-referencer-interface
1220 gregorian-ligature-interface
1221 mensural-ligature-interface
1222 vaticana-ligature-interface))))))
1226 (stem-spacing-correction . 0.5)
1227 (same-direction-correction . 0.25)
1228 (space-to-barline . #t)
1229 ;; Changed this from 0.75.
1230 ;; If you ever change this back, please document! --hwn
1231 (knee-spacing-correction . 1.0)
1232 (meta . ((class . Item)
1233 (interfaces . (spacing-interface
1234 note-spacing-interface))))))
1238 (stencil . ,ly:text-interface::print)
1239 (meta . ((class . Item)
1240 (interfaces . (note-name-interface
1242 font-interface))))))
1247 (self-alignment-X . ,CENTER)
1248 (break-visibility . ,begin-of-line-visible)
1249 (X-offset . ,(ly:make-simple-closure
1251 ,(ly:make-simple-closure
1252 (list ly:self-alignment-interface::x-aligned-on-self))
1253 ,(ly:make-simple-closure
1254 (list ly:self-alignment-interface::centered-on-x-parent)))))
1255 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1256 (stencil . ,ly:text-interface::print)
1257 (font-shape . italic)
1258 (staff-padding . 0.2)
1260 (meta . ((class . Item)
1261 (interfaces . (text-interface
1262 self-alignment-interface
1263 side-position-interface
1264 font-interface))))))
1268 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1269 (stencil . ,ly:ottava-bracket::print)
1270 (font-shape . italic)
1271 (shorten-pair . (0.0 . -0.6))
1272 (staff-padding . 1.0)
1274 (minimum-length . 1.0)
1275 (style . dashed-line)
1276 (dash-fraction . 0.3)
1277 (edge-height . (0 . 1.2))
1279 (outside-staff-priority . 400)
1280 (meta . ((class . Spanner)
1281 (interfaces . (ottava-bracket-interface
1282 horizontal-bracket-interface
1284 side-position-interface
1286 text-interface))))))
1292 (allow-loose-spacing . #t)
1293 (before-line-breaking . ,ly:paper-column::before-line-breaking)
1294 (horizontal-skylines . ,ly:separation-item::calc-skylines)
1295 ;; (stencil . ,ly:paper-column::print)
1296 (X-extent . ,ly:axis-group-interface::width)
1299 ;; (font-size . -6) (font-name . "sans") (Y-extent . #f)
1300 (meta . ((class . Paper_column)
1301 (interfaces . (paper-column-interface
1302 separation-item-interface
1303 axis-group-interface
1304 spaceable-grob-interface
1305 font-interface))))))
1308 . ((stencil . ,parentheses-item::print)
1309 (stencils . ,parentheses-item::calc-parenthesis-stencils)
1312 (meta . ((class . Item)
1313 (interfaces . (parentheses-interface font-interface))))))
1315 (HarmonicParenthesesItem
1316 . ((stencil . ,parentheses-item::print)
1318 (stencils . ,parentheses-item::calc-angled-bracket-stencils)
1319 (meta . ((class . Item)
1320 (interfaces . (parentheses-interface font-interface))))))
1323 . ((details . ,default-slur-details)
1324 (control-points . ,ly:slur::calc-control-points)
1325 (direction . ,ly:slur::calc-direction)
1326 (springs-and-rods . ,ly:spanner::set-spacing-rods)
1327 (Y-extent . ,ly:slur::height)
1328 (stencil . ,ly:slur::print)
1330 (minimum-length . 1.5)
1331 (height-limit . 2.0)
1333 (cross-staff . ,ly:slur::calc-cross-staff)
1334 (meta . ((class . Spanner)
1335 (interfaces . (slur-interface))))))
1339 (springs-and-rods . ,ly:multi-measure-rest::set-spacing-rods)
1340 (stencil . ,ly:multi-measure-rest::percent)
1343 (dot-negative-kern . 0.75)
1344 (font-encoding . fetaMusic)
1345 (meta . ((class . Spanner)
1346 (interfaces . (multi-measure-rest-interface
1348 percent-repeat-interface))))))
1350 (PercentRepeatCounter
1352 (stencil . ,ly:text-interface::print)
1353 (X-offset . ,(ly:make-simple-closure
1355 ,(ly:make-simple-closure
1356 (list ly:self-alignment-interface::x-centered-on-y-parent))
1357 ,(ly:make-simple-closure
1358 (list ly:self-alignment-interface::x-aligned-on-self)))))
1359 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1360 (self-alignment-X . ,CENTER)
1363 (staff-padding . 0.25)
1365 (font-encoding . fetaNumber)
1366 (meta . ((class . Spanner)
1367 (interfaces . (side-position-interface
1368 self-alignment-interface
1369 percent-repeat-interface
1371 text-interface))))))
1373 ;; an example of a text spanner
1376 (stencil . ,ly:piano-pedal-bracket::print)
1378 (bound-padding . 1.0)
1380 (bracket-flare . (0.5 . 0.5))
1381 (edge-height . (1.0 . 1.0))
1382 (shorten-pair . (0.0 . 0.0))
1384 (meta . ((class . Spanner)
1385 (interfaces . (line-interface
1386 piano-pedal-interface
1387 piano-pedal-bracket-interface))))))
1392 (stencil . ,ly:text-interface::print)
1393 (X-offset . ,(ly:make-simple-closure
1395 ,(ly:make-simple-closure
1396 (list ly:break-alignable-interface::self-align-callback))
1397 ,(ly:make-simple-closure
1398 (list ly:self-alignment-interface::x-aligned-on-self)))))
1399 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1400 (extra-spacing-width . (+inf.0 . -inf.0))
1401 (self-alignment-X . ,CENTER)
1406 (break-visibility . ,end-of-line-invisible)
1407 (break-align-symbols . (staff-bar clef))
1409 (outside-staff-priority . 1500)
1410 (meta . ((class . Item)
1411 (interfaces . (text-interface
1412 side-position-interface
1413 break-alignable-interface
1416 self-alignment-interface))))))
1420 (stencil . ,ly:percent-repeat-item-interface::beat-slash)
1423 (meta . ((class . Item)
1424 (interfaces . (rhythmic-grob-interface
1425 percent-repeat-interface
1426 percent-repeat-item-interface))))))
1430 (stencil . ,ly:tie::print)
1431 (control-points . ,ly:semi-tie::calc-control-points)
1432 (direction . ,ly:tie::calc-direction)
1433 (details . ((ratio . 0.333)
1434 (height-limit . 1.0)))
1436 (head-direction . ,RIGHT)
1437 (meta . ((class . Item)
1438 (interfaces . (semi-tie-interface))))))
1444 (direction . ,ly:tie::calc-direction)
1445 (head-direction . ,ly:semi-tie-column::calc-head-direction)
1447 (positioning-done . ,ly:semi-tie-column::calc-positioning-done)
1448 (meta . ((class . Item)
1449 (interfaces . (semi-tie-column-interface))))))
1453 (stencil . ,ly:rest::print)
1454 (duration-log . ,stem::calc-duration-log)
1455 (X-extent . ,ly:rest::width)
1456 (Y-extent . ,ly:rest::height)
1457 (Y-offset . ,ly:rest::y-offset-callback)
1458 (minimum-distance . 0.25)
1459 (cross-staff . ,ly:rest::calc-cross-staff)
1460 (meta . ((class . Item)
1461 (interfaces . (font-interface
1462 rhythmic-head-interface
1463 rhythmic-grob-interface
1464 staff-symbol-referencer-interface
1465 rest-interface))))))
1469 (minimum-distance . 0.75)
1470 (positioning-done . ,ly:rest-collision::calc-positioning-done)
1471 (meta . ((class . Item)
1472 (interfaces . (rest-collision-interface))))))
1477 ;; don't set direction here: it breaks staccato.
1479 ;; padding set in script definitions.
1480 (staff-padding . 0.25)
1481 (X-offset . ,script-interface::calc-x-offset)
1482 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1485 (stencil . ,ly:script-interface::print)
1486 (direction . ,ly:script-interface::calc-direction)
1487 (positioning-done . ,ly:script-interface::calc-positioning-done)
1488 (font-encoding . fetaMusic)
1489 (cross-staff . ,ly:script-interface::calc-cross-staff)
1490 (meta . ((class . Item)
1491 (interfaces . (script-interface
1492 side-position-interface
1493 font-interface))))))
1497 (before-line-breaking . ,ly:script-column::before-line-breaking)
1498 (meta . ((class . Item)
1499 (interfaces . (script-column-interface))))))
1503 (before-line-breaking . ,ly:script-column::row-before-line-breaking)
1504 (meta . ((class . Item)
1505 (interfaces . (script-column-interface))))))
1509 (avoid-slur . inside)
1510 (X-extent . ,ly:axis-group-interface::width)
1511 (Y-extent . ,ly:axis-group-interface::height)
1512 (horizontal-skylines . ,ly:separation-item::calc-skylines)
1513 (stencil . ,ly:separation-item::print)
1514 (meta . ((class . Item)
1515 (interfaces . (separation-item-interface))))))
1519 (details . ,default-slur-details)
1520 (control-points . ,ly:slur::calc-control-points)
1521 (direction . ,ly:slur::calc-direction)
1522 (springs-and-rods . ,ly:spanner::set-spacing-rods)
1523 (Y-extent . ,ly:slur::height)
1524 (stencil . ,ly:slur::print)
1526 (line-thickness . 0.8)
1527 (minimum-length . 1.5)
1528 (height-limit . 2.0)
1530 (avoid-slur . inside)
1531 (cross-staff . ,ly:slur::calc-cross-staff)
1532 (meta . ((class . Spanner)
1533 (interfaces . (slur-interface))))))
1537 (stencil . ,ly:text-interface::print)
1538 (direction . ,RIGHT)
1539 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1540 (extra-spacing-width . (+inf.0 . -inf.0))
1541 (padding . 0.0) ;; padding relative to SostenutoPedalLineSpanner
1542 (font-shape . italic)
1543 (self-alignment-X . ,CENTER)
1544 (meta . ((class . Item)
1545 (interfaces . (text-interface
1546 self-alignment-interface
1547 piano-pedal-script-interface
1548 font-interface))))))
1550 (SostenutoPedalLineSpanner
1553 (Y-extent . ,ly:axis-group-interface::height)
1554 (X-extent . ,ly:axis-group-interface::width)
1555 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1556 (outside-staff-priority . 1000)
1558 (staff-padding . 1.0)
1560 (minimum-space . 1.0)
1562 (meta . ((class . Spanner)
1563 (interfaces . (piano-pedal-interface
1564 axis-group-interface
1565 side-position-interface))))))
1569 (springs-and-rods . ,ly:spacing-spanner::set-springs)
1570 (common-shortest-duration . ,ly:spacing-spanner::calc-common-shortest-duration)
1571 (average-spacing-wishes . #t)
1572 (shortest-duration-space . 2.0)
1573 (spacing-increment . 1.2)
1575 (base-shortest-duration . ,(ly:make-moment 3 16))
1576 (meta . ((class . Spanner)
1577 (interfaces . (spacing-options-interface
1578 spacing-spanner-interface))))))
1582 (break-align-symbol . staff-bar)
1583 (Y-extent . ,ly:axis-group-interface::height)
1587 (stencil . ,ly:span-bar::print)
1588 (bar-size . ,ly:span-bar::calc-bar-size)
1589 (bar-extent . ,ly:axis-group-interface::height)
1590 (X-extent . ,ly:span-bar::width)
1591 (glyph-name . ,ly:span-bar::calc-glyph-name)
1592 (before-line-breaking . ,ly:span-bar::before-line-breaking)
1593 (allow-span-bar . #t)
1598 ;; Ross. page 151 lists other values, we opt for a leaner look
1602 (hair-thickness . 1.6)
1603 (thick-thickness . 6.0)
1604 (meta . ((class . Item)
1605 (interfaces . (span-bar-interface
1607 bar-line-interface))))))
1611 (stencil . ,ly:text-interface::print)
1612 (font-series . bold)
1614 (X-offset . ,ly:side-position-interface::x-aligned-side)
1617 (meta . ((class . Item)
1618 (interfaces . (side-position-interface
1619 stanza-number-interface
1621 font-interface))))))
1626 (stem-spacing-correction . 0.4)
1627 (meta . ((class . Item)
1628 (interfaces . (spacing-interface
1629 staff-spacing-interface))))))
1633 (Y-extent . ,ly:staff-symbol::height)
1634 (stencil . ,ly:staff-symbol::print)
1636 (ledger-line-thickness . (1.0 . 0.1))
1638 (meta . ((class . Spanner)
1639 (interfaces . (staff-symbol-interface))))))
1643 (direction . ,ly:stem::calc-direction)
1644 (duration-log . ,stem::calc-duration-log)
1645 (default-direction . ,ly:stem::calc-default-direction)
1646 (stem-end-position . ,ly:stem::calc-stem-end-position)
1648 (neutral-direction . ,DOWN)
1649 (stem-info . ,ly:stem::calc-stem-info)
1650 (positioning-done . ,ly:stem::calc-positioning-done)
1651 (stencil . ,ly:stem::print)
1652 (X-extent . ,ly:stem::width)
1653 (Y-extent . ,ly:stem::height)
1654 (length . ,ly:stem::calc-length)
1656 (cross-staff . ,ly:stem::calc-cross-staff)
1657 (flag . ,ly:stem::calc-flag)
1658 (beamlet-default-length . (1.1 . 1.1))
1659 (beamlet-max-length-proportion . (0.75 . 0.75))
1662 ;; 3.5 (or 3 measured from note head) is standard length
1663 ;; 32nd, 64th, 128th flagged stems should be longer
1664 (lengths . (3.5 3.5 3.5 4.5 5.0 6.0))
1666 ;; FIXME. 3.5 yields too long beams (according to Ross and
1667 ;; looking at Baerenreiter examples) for a number of common
1668 ;; boundary cases. Subtracting half a beam thickness fixes
1669 ;; this, but the bug may well be somewhere else.
1671 ;; FIXME this should come from 'lengths
1672 (beamed-lengths . (3.26 3.5 3.6))
1674 ;; The 'normal' minima
1675 (beamed-minimum-free-lengths . (1.83 1.5 1.25))
1676 ;(beamed-minimum-free-lengths . (2.0 1.83 1.25))
1678 ;; The 'extreme case' minima
1679 (beamed-extreme-minimum-free-lengths . (2.0 1.25))
1681 ;; Stems in unnatural (forced) direction should be shortened by
1682 ;; one staff space, according to [Roush & Gourlay].
1683 ;; Flagged stems we shorten only half a staff space.
1684 (stem-shorten . (1.0 0.5))
1688 ;; We use the normal minima as minimum for the ideal lengths,
1689 ;; and the extreme minima as abolute minimum length.
1691 (X-offset . ,ly:stem::offset-callback)
1692 (Y-offset . ,ly:staff-symbol-referencer::callback)
1693 (meta . ((class . Item)
1694 (interfaces . (stem-interface
1695 font-interface))))))
1699 (Y-extent . ,ly:stem-tremolo::height)
1700 (X-extent . ,ly:stem-tremolo::width)
1701 (stencil . ,ly:stem-tremolo::print)
1702 (slope . ,ly:stem-tremolo::calc-slope)
1703 (beam-width . ,ly:stem-tremolo::calc-width) ; staff-space
1704 (style . ,ly:stem-tremolo::calc-style)
1705 (beam-thickness . 0.48) ; staff-space
1706 (meta . ((class . Item)
1707 (interfaces . (stem-tremolo-interface))))))
1711 (stencil . ,print-circled-text-callback)
1712 (text . ,string-number::calc-text)
1714 (staff-padding . 0.5)
1715 (self-alignment-X . ,CENTER)
1716 (self-alignment-Y . ,CENTER)
1717 (script-priority . 100)
1718 (avoid-slur . around)
1719 (font-encoding . fetaNumber)
1720 (font-size . -5) ; don't overlap when next to heads.
1721 (meta . ((class . Item)
1722 (interfaces . (string-number-interface
1724 text-script-interface
1726 side-position-interface
1727 self-alignment-interface))))))
1731 (stencil . ,ly:text-interface::print)
1732 (text . ,stroke-finger::calc-text)
1733 (digit-names . #("p" "i" "m" "a" "x"))
1735 (staff-padding . 0.5)
1736 (self-alignment-X . ,CENTER)
1737 (self-alignment-Y . ,CENTER)
1738 (script-priority . 100)
1739 (font-shape . italic)
1740 (font-size . -4) ; don't overlap when next to heads.
1741 (meta . ((class . Item)
1742 (interfaces . (stroke-finger-interface
1744 text-script-interface
1746 side-position-interface
1747 self-alignment-interface))))))
1751 (extra-spacing-width . (+inf.0 . -inf.0))
1752 (stencil . ,ly:sustain-pedal::print)
1753 (self-alignment-X . ,CENTER)
1754 (direction . ,RIGHT)
1755 (padding . 0.0) ;; padding relative to SustainPedalLineSpanner
1756 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1757 (meta . ((class . Item)
1758 (interfaces . (piano-pedal-interface
1760 self-alignment-interface
1761 piano-pedal-script-interface
1762 font-interface))))))
1764 (SustainPedalLineSpanner
1767 (Y-extent . ,ly:axis-group-interface::height)
1768 (X-extent . ,ly:axis-group-interface::width)
1769 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1770 (outside-staff-priority . 1000)
1773 (staff-padding . 1.2)
1774 (minimum-space . 1.0)
1776 (meta . ((class . Spanner)
1777 (interfaces . (piano-pedal-interface
1778 axis-group-interface
1779 side-position-interface))))))
1784 (X-extent . ,ly:axis-group-interface::width)
1785 (Y-extent . ,ly:axis-group-interface::height)
1786 (vertical-skylines . ,ly:axis-group-interface::calc-skylines)
1787 (max-stretch . ,ly:axis-group-interface::calc-max-stretch)
1788 (meta . ((class . System)
1789 (interfaces . (system-interface
1790 axis-group-interface))))))
1796 (stencil . ,ly:system-start-delimiter::print)
1797 (collapse-height . 5.0)
1798 (X-offset . ,ly:side-position-interface::x-aligned-side)
1800 (font-encoding . fetaBraces)
1802 (meta . ((class . Spanner)
1803 (interfaces . (system-start-delimiter-interface
1804 side-position-interface
1805 font-interface))))))
1810 (X-offset . ,ly:side-position-interface::x-aligned-side)
1812 (stencil . ,ly:system-start-delimiter::print)
1813 (style . line-bracket)
1815 (meta . ((class . Spanner)
1816 (interfaces . (font-interface
1817 side-position-interface
1818 system-start-delimiter-interface))))))
1824 (X-offset . ,ly:side-position-interface::x-aligned-side)
1826 (stencil . ,ly:system-start-delimiter::print)
1828 (collapse-height . 5.0)
1830 (meta . ((class . Spanner)
1831 (interfaces . (font-interface
1832 side-position-interface
1833 system-start-delimiter-interface))))))
1840 (padding . -0.1) ;; bar must cover rounded ending of staff line.
1841 (X-offset . ,ly:side-position-interface::x-aligned-side)
1844 (collapse-height . 5.0)
1846 (stencil . ,ly:system-start-delimiter::print)
1847 (meta . ((class . Spanner)
1848 (interfaces . (side-position-interface
1849 system-start-delimiter-interface))))))
1854 (stencil . ,ly:text-interface::print)
1855 (duration-log . ,note-head::calc-duration-log)
1856 (Y-offset . ,ly:staff-symbol-referencer::callback)
1857 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1858 (direction . ,CENTER)
1860 (stem-attachment . (0.0 . 1.35))
1861 (font-series . bold)
1862 (meta . ((class . Item)
1863 (interfaces . (rhythmic-head-interface
1865 rhythmic-grob-interface
1867 staff-symbol-referencer-interface
1868 text-interface))))))
1872 (extra-spacing-width . (+inf.0 . -inf.0))
1873 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1874 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1878 ;; sync with Fingering ?
1880 (staff-padding . 0.5)
1882 (stencil . ,ly:text-interface::print)
1883 (direction . ,ly:script-interface::calc-direction)
1884 (positioning-done . ,ly:script-interface::calc-positioning-done)
1886 (outside-staff-priority . 450)
1887 (avoid-slur . around)
1888 (slur-padding . 0.5)
1889 (script-priority . 200)
1890 (cross-staff . ,ly:script-interface::calc-cross-staff)
1891 ;; todo: add X self alignment?
1892 (meta . ((class . Item)
1893 (interfaces . (text-script-interface
1895 instrument-specific-markup-interface
1896 side-position-interface
1897 self-alignment-interface
1898 font-interface))))))
1902 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1903 (font-shape . italic)
1904 (style . dashed-line)
1905 (staff-padding . 0.8)
1906 (dash-fraction . 0.2)
1910 (outside-staff-priority . 350)
1912 (left-bound-info . ,ly:line-spanner::calc-left-bound-info)
1913 (right-bound-info . ,ly:line-spanner::calc-right-bound-info)
1914 (bound-details . ((left . ((Y . 0)
1916 (attach-dir . ,LEFT)
1922 (stencil . ,ly:line-spanner::print)
1924 (meta . ((class . Spanner)
1925 (interfaces . (line-spanner-interface
1927 side-position-interface
1928 font-interface))))))
1932 (control-points . ,ly:tie::calc-control-points)
1933 (springs-and-rods . ,ly:spanner::set-spacing-rods)
1934 (avoid-slur . inside)
1935 (direction . ,ly:tie::calc-direction)
1936 (neutral-direction . ,UP)
1937 (stencil . ,ly:tie::print)
1940 ;; for a full list, see tie-details.cc
1942 (center-staff-line-clearance . 0.6)
1943 (tip-staff-line-clearance . 0.45)
1944 (note-head-gap . 0.2)
1946 (height-limit . 1.0)
1947 (horizontal-distance-penalty-factor . 10)
1948 (same-dir-as-stem-penalty . 8)
1949 (min-length-penalty-factor . 26)
1950 (tie-tie-collision-distance . 0.45)
1951 (tie-tie-collision-penalty . 25.0)
1952 (intra-space-threshold . 1.25)
1953 (outer-tie-vertical-distance-symmetry-penalty-factor . 10)
1954 (outer-tie-length-symmetry-penalty-factor . 10)
1955 (vertical-distance-penalty-factor . 7)
1956 (outer-tie-vertical-gap . 0.25)
1957 (multi-tie-region-size . 3)
1958 (single-tie-region-size . 4)
1959 (between-length-limit . 1.0)))
1962 (line-thickness . 0.8)
1963 (meta . ((class . Spanner)
1964 (interfaces . (tie-interface))))))
1968 (positioning-done . ,ly:tie-column::calc-positioning-done)
1969 (before-line-breaking . ,ly:tie-column::before-line-breaking)
1972 (meta . ((class . Spanner)
1973 (interfaces . (tie-column-interface))))))
1977 (stencil . ,ly:time-signature::print)
1978 (break-align-symbol . time-signature)
1980 . ,ly:break-aligned-interface::calc-extent-aligned-anchor)
1981 (break-visibility . ,all-visible)
1982 (avoid-slur . inside)
1983 (extra-spacing-height . (-1.0 . 1.0))
1985 (first-note . (fixed-space . 2.0))
1986 (right-edge . (extra-space . 0.5))
1987 (staff-bar . (minimum-space . 2.0))))
1990 (meta . ((class . Item)
1991 (interfaces . (time-signature-interface
1992 break-aligned-interface
1993 font-interface))))))
1997 (left-bound-info . ,ly:line-spanner::calc-left-bound-info)
1998 (right-bound-info . ,ly:line-spanner::calc-right-bound-info)
2000 (bound-details . ((left . ((text . ,(make-translate-scaled-markup
2002 (make-musicglyph-markup "scripts.trill")))
2004 (stencil-offset . (-0.5 . 0))
2006 (attach-dir . ,CENTER)
2007 ;; this isn't CENTER because the trill glyph's origin
2008 ;; is not centered in its extent; to have the trill
2009 ;; spanner aligned the same as a trill, we need a slight offset
2010 (anchor-alignment . 0.15)
2012 (left-broken . ((end-on-note . #t)))
2016 (stencil . ,ly:line-spanner::print)
2017 (after-line-breaking . ,ly:spanner::kill-zero-spanned-time)
2019 (staff-padding . 1.0)
2022 (Y-offset . ,ly:side-position-interface::y-aligned-side)
2024 (outside-staff-priority . 50)
2025 (meta . ((class . Spanner)
2026 (interfaces . (line-spanner-interface
2028 trill-spanner-interface
2029 side-position-interface
2030 font-interface))))))
2032 (TrillPitchAccidental
2033 . ((X-offset . ,ly:side-position-interface::x-aligned-side)
2038 (stencil . ,ly:accidental-interface::print)
2039 (Y-extent . ,ly:accidental-interface::height)
2040 (glyph-name-alist . ,standard-alteration-glyph-name-alist)
2041 (meta . ((class . Item)
2042 (interfaces . (trill-pitch-accidental-interface
2043 accidental-interface
2044 side-position-interface
2045 font-interface))))))
2048 . ((X-offset . ,ly:side-position-interface::x-aligned-side)
2051 (stencil . ,parenthesize-elements)
2052 (stencils . ,parentheses-item::calc-parenthesis-stencils)
2053 (direction . ,RIGHT)
2056 (meta . ((class . Item)
2057 (interfaces . (side-position-interface
2058 parentheses-interface
2061 axis-group-interface))))))
2065 (stencil . ,ly:note-head::print)
2067 (Y-offset . ,ly:staff-symbol-referencer::callback)
2069 (meta . ((class . Item)
2070 (interfaces . (rhythmic-head-interface
2072 pitched-trill-interface
2074 staff-symbol-referencer-interface))))))
2080 (edge-height . (0.7 . 0.7))
2081 (shorten-pair . (-0.2 . -0.2))
2082 (staff-padding . 0.25)
2083 (full-length-to-extent . #t)
2084 (direction . ,ly:tuplet-bracket::calc-direction)
2085 (positions . ,ly:tuplet-bracket::calc-positions)
2086 (connect-to-neighbor . ,ly:tuplet-bracket::calc-connect-to-neighbors)
2087 (control-points . ,ly:tuplet-bracket::calc-control-points)
2088 (stencil . ,ly:tuplet-bracket::print)
2089 (cross-staff . ,ly:tuplet-bracket::calc-cross-staff)
2091 (meta . ((class . Spanner)
2092 (interfaces . (line-interface
2093 tuplet-bracket-interface))))))
2097 (stencil . ,ly:tuplet-number::print)
2098 (text . ,tuplet-number::calc-denominator-text)
2099 (font-shape . italic)
2101 (avoid-slur . inside)
2102 (cross-staff . ,ly:tuplet-number::calc-cross-staff)
2103 (meta . ((class . Spanner)
2104 (interfaces . (text-interface tuplet-number-interface
2105 font-interface))))))
2110 (stencil . ,ly:text-interface::print)
2111 (font-shape . italic)
2112 (extra-spacing-width . (+inf.0 . -inf.0))
2113 (self-alignment-X . ,CENTER)
2114 (direction . ,RIGHT)
2115 (padding . 0.0) ;; padding relative to UnaCordaPedalLineSpanner
2116 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
2117 (meta . ((class . Item)
2118 (interfaces . (text-interface
2119 piano-pedal-script-interface
2120 self-alignment-interface
2121 font-interface))))))
2123 (UnaCordaPedalLineSpanner
2126 (Y-extent . ,ly:axis-group-interface::height)
2127 (X-extent . ,ly:axis-group-interface::width)
2128 (Y-offset . ,ly:side-position-interface::y-aligned-side)
2129 (outside-staff-priority . 1000)
2132 (staff-padding . 1.2)
2133 (minimum-space . 1.0)
2135 (meta . ((class . Spanner)
2136 (interfaces . (piano-pedal-interface
2137 axis-group-interface
2138 side-position-interface))))))
2145 (stencil . ,ly:vaticana-ligature::print)
2146 (meta . ((class . Spanner)
2147 (interfaces . (vaticana-ligature-interface
2148 font-interface))))))
2153 (positioning-done . ,ly:align-interface::calc-positioning-done)
2154 (after-line-breaking . ,ly:align-interface::stretch-after-break)
2155 (Y-extent . ,ly:axis-group-interface::height)
2156 (X-extent . ,ly:axis-group-interface::width)
2159 (vertical-skylines . ,ly:axis-group-interface::combine-skylines)
2161 (meta . ((class . Spanner)
2162 (object-callbacks . ((Y-common . ,ly:axis-group-interface::calc-y-common)))
2163 (interfaces . (align-interface
2164 axis-group-interface))))))
2169 (Y-offset . ,ly:hara-kiri-group-spanner::force-hara-kiri-callback)
2170 (Y-extent . ,ly:hara-kiri-group-spanner::y-extent)
2171 (X-extent . ,ly:axis-group-interface::width)
2172 (vertical-skylines . ,ly:hara-kiri-group-spanner::calc-skylines)
2173 (max-stretch . ,ly:axis-group-interface::calc-max-stretch)
2174 (stencil . ,ly:axis-group-interface::print)
2175 (adjacent-pure-heights . ,ly:axis-group-interface::adjacent-pure-heights)
2176 (meta . ((class . Spanner)
2177 (object-callbacks . ((X-common . ,ly:axis-group-interface::calc-x-common)))
2178 (interfaces . (axis-group-interface
2179 hara-kiri-group-spanner-interface
2180 vertically-spaceable-interface))))))
2184 (stencil . ,ly:volta-bracket-interface::print)
2185 (font-encoding . fetaNumber)
2186 (thickness . 1.6) ;; line-thickness
2187 (edge-height . (2.0 . 2.0)) ;; staff-space;
2191 (meta . ((class . Spanner)
2192 (interfaces . (volta-bracket-interface
2193 horizontal-bracket-interface
2196 side-position-interface
2197 font-interface))))))
2199 (VoltaBracketSpanner
2205 (Y-offset . ,ly:side-position-interface::y-aligned-side)
2206 (outside-staff-priority . 100)
2207 (Y-extent . ,ly:axis-group-interface::height)
2208 (X-extent . ,ly:axis-group-interface::width)
2209 (no-alignment . ,#t)
2210 (meta . ((class . Spanner)
2211 (interfaces . (side-position-interface
2212 axis-group-interface))))))
2221 (bound-details . ((right . ((attach-dir . ,CENTER)
2224 (left . ((attach-dir . ,CENTER)
2228 (after-line-breaking . ,ly:spanner::kill-zero-spanned-time)
2229 (stencil . ,ly:line-spanner::print)
2230 (left-bound-info . ,ly:line-spanner::calc-left-bound-info)
2231 (right-bound-info . ,ly:line-spanner::calc-right-bound-info)
2232 (meta . ((class . Spanner)
2233 (interfaces . (line-spanner-interface
2234 line-interface))))))
2238 (define (completize-grob-entry x)
2239 "Transplant assoc key into 'name entry of 'meta of X. Set interfaces for Item, Spanner etc.
2241 ;; (display (car x))
2243 (let* ((name-sym (car x))
2244 (grob-entry (cdr x))
2245 (meta-entry (cdr (assoc 'meta grob-entry)))
2246 (class (cdr (assoc 'class meta-entry)))
2248 (cdr (assoc 'interfaces meta-entry))))
2252 (set! ifaces-entry (cons 'item-interface ifaces-entry)))
2253 ((eq? 'Spanner class)
2254 (set! ifaces-entry (cons 'spanner-interface ifaces-entry)))
2255 ((eq? 'Paper_column class)
2256 (set! ifaces-entry (cons 'item-interface
2257 (cons 'paper-column-interface ifaces-entry))))
2258 ((eq? 'System class)
2259 (set! ifaces-entry (cons 'system-interface
2260 (cons 'spanner-interface ifaces-entry))))
2262 (ly:warning "Unknown class ~a" class)))
2264 (set! ifaces-entry (uniq-list (sort ifaces-entry symbol<?)))
2265 (set! ifaces-entry (cons 'grob-interface ifaces-entry))
2267 (set! meta-entry (assoc-set! meta-entry 'name name-sym))
2268 (set! meta-entry (assoc-set! meta-entry 'interfaces
2270 (set! grob-entry (assoc-set! grob-entry 'meta meta-entry))
2271 (cons name-sym grob-entry)))
2273 (set! all-grob-descriptions (map completize-grob-entry all-grob-descriptions))
2275 ;; (display (map pair? all-grob-descriptions))
2277 ;; make sure that \property Foo.Bar =\turnOff doesn't complain
2280 ;; (display (car x)) (newline)
2282 (set-object-property! (car x) 'translation-type? list?)
2283 (set-object-property! (car x) 'is-grob? #t))
2284 all-grob-descriptions)
2286 (set! all-grob-descriptions (sort all-grob-descriptions alist<?))
2288 (define pure-print-callbacks
2290 fret-board::calc-stencil
2291 print-circled-text-callback
2294 ly:arpeggio::brew-chord-bracket
2296 ly:mensural-ligature::brew-ligature-primitive
2300 ly:text-interface::print
2301 ly:script-interface::print))
2303 ;; ly:grob::stencil-extent is safe iff the print callback is safe too
2304 (define (pure-stencil-height grob start stop)
2305 (let ((sten (ly:grob-property-data grob 'stencil)))
2308 (memq sten pure-print-callbacks))
2309 (ly:grob::stencil-height grob)
2312 (define pure-conversions-alist
2314 (,ly:accidental-interface::height . ,ly:accidental-interface::pure-height)
2315 (,ly:arpeggio::height . ,ly:arpeggio::pure-height)
2316 (,ly:slur::outside-slur-callback . ,ly:slur::pure-outside-slur-callback)
2317 (,ly:hairpin::height . ,ly:hairpin::pure-height)
2318 (,ly:stem::height . ,ly:stem::pure-height)
2319 (,ly:rest::height . ,ly:rest::pure-height)
2320 (,ly:grob::stencil-height . ,pure-stencil-height)
2321 (,ly:self-alignment-interface::y-aligned-on-self . ,ly:self-alignment-interface::pure-y-aligned-on-self)
2322 (,ly:side-position-interface::y-aligned-side . ,ly:side-position-interface::pure-y-aligned-side)
2323 (,ly:axis-group-interface::height . ,ly:axis-group-interface::pure-height)
2324 (,ly:hara-kiri-group-spanner::y-extent . ,ly:hara-kiri-group-spanner::pure-height)
2325 (,ly:slur::height . ,ly:slur::pure-height)
2326 (,ly:side-position-interface::y-aligned-side . ,ly:side-position-interface::pure-y-aligned-side)))
2328 (define pure-functions
2330 parenthesize-elements
2331 ly:rest::y-offset-callback
2332 ly:staff-symbol-referencer::callback
2333 ly:staff-symbol::height))
2335 (define-public (pure-relevant? grob)
2336 (let ((extent-callback (ly:grob-property-data grob 'Y-extent)))
2339 (pair? extent-callback)
2340 (memq extent-callback pure-functions)
2342 (pair? (assq extent-callback pure-conversions-alist))
2345 (not (eq? extent-callback ly:grob::stencil-height))
2346 (memq (ly:grob-property-data grob 'stencil) pure-print-callbacks)
2347 (ly:stencil? (ly:grob-property-data grob 'stencil))
2351 (define-public (call-pure-function unpure args start end)
2352 (if (ly:simple-closure? unpure)
2353 (ly:eval-simple-closure (car args) unpure start end)
2354 (if (not (procedure? unpure))
2356 (if (memq unpure pure-functions)
2358 (let ((pure (assq unpure pure-conversions-alist)))
2362 (list (car args) start end)