1 ;;;; define-grobs.scm --
3 ;;;; source file of the GNU LilyPond music typesetter
5 ;;;; (c) 1998--2007 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
35 (glyph-name-alist . ,standard-alteration-glyph-name-alist)
36 (alteration . ,accidental-interface::calc-alteration)
37 (stencil . ,ly:accidental-interface::print)
38 (Y-extent . ,ly:accidental-interface::height)
39 (meta . ((class . Item)
40 (interfaces . (accidental-interface
46 (stencil . ,ly:accidental-interface::print)
47 (Y-extent . ,ly:accidental-interface::height)
48 (X-offset . ,(ly:make-simple-closure
50 ,(ly:make-simple-closure (list ly:self-alignment-interface::centered-on-x-parent))
51 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self)))))
52 (self-alignment-X . ,CENTER)
54 (glyph-name-alist . ,standard-alteration-glyph-name-alist)
55 (alteration . ,accidental-interface::calc-alteration)
56 (Y-offset . ,ly:side-position-interface::y-aligned-side)
58 (staff-padding . 0.25)
59 (outside-staff-priority . 0)
62 (meta . ((class . Item)
63 (interfaces . (side-position-interface
66 accidental-suggestion-interface
67 self-alignment-interface
74 ;; for horizontally stacked scripts.
75 (script-priority . -100)
78 (positioning-done . ,ly:accidental-placement::calc-positioning-done)
79 (X-extent . ,ly:axis-group-interface::width)
81 ;; this is quite small, but it is very ugly to have
82 ;; accs closer to the previous note than to the next one.
83 (right-padding . 0.15)
84 (meta . ((class . Item)
85 (interfaces . (accidental-placement-interface))))))
90 (X-extent . ,ly:axis-group-interface::width)
91 (Y-extent . ,ly:axis-group-interface::height)
93 (clef . (extra-space . 0.5))
94 (key-signature . (extra-space . 0.0))
95 (staff-bar . (extra-space . 0.0))
96 (time-signature . (extra-space . 0.0))
97 (first-note . (fixed-space . 0.0))))
99 (break-align-symbol . ambitus)
100 (break-visibility . ,begin-of-line-visible)
101 (meta . ((class . Item)
102 (interfaces . (axis-group-interface
103 break-aligned-interface
104 ambitus-interface))))))
108 (stencil . ,ly:ambitus::print)
111 (X-offset . ,ly:self-alignment-interface::centered-on-x-parent)
112 (meta . ((class . Item)
113 (interfaces . (ambitus-interface
114 staff-symbol-referencer-interface
118 (font-family . music)
120 (X-offset . ,ly:side-position-interface::x-aligned-side)
122 (stencil . ,ly:accidental-interface::print)
123 (Y-extent . ,ly:accidental-interface::height)
124 (glyph-name-alist . ,standard-alteration-glyph-name-alist)
126 (meta . ((class . Item)
129 break-aligned-interface
130 side-position-interface
136 (stencil . ,ly:note-head::print)
137 (glyph-name . ,note-head::calc-glyph-name)
138 (Y-offset . ,ly:staff-symbol-referencer::callback)
139 (meta . ((class . Item)
140 (interfaces . (font-interface
143 staff-symbol-referencer-interface
144 rhythmic-head-interface
145 ledgered-interface))))))
148 . ((X-extent . ,ly:arpeggio::width)
149 (stencil . ,ly:arpeggio::print)
150 (Y-offset . ,ly:staff-symbol-referencer::callback)
151 (X-offset . ,ly:side-position-interface::x-aligned-side)
154 (script-priority . 0)
156 (staff-position . 0.0)
157 (Y-extent . ,ly:arpeggio::height)
158 (meta . ((class . Item)
159 (interfaces . (arpeggio-interface
160 staff-symbol-referencer-interface
161 side-position-interface
165 . ((stencil . ,ly:balloon-interface::print)
166 (text . ,(grob::calc-property-by-copy 'text))
167 (X-offset . ,(grob::calc-property-by-copy 'X-offset))
168 (Y-offset . ,(grob::calc-property-by-copy 'Y-offset))
169 (meta . ((class . Item)
170 (interfaces . (text-interface
174 (break-align-symbol . staff-bar)
175 (break-align-anchor . ,ly:bar-line::calc-anchor)
179 (break-visibility . ,bar-line::calc-break-visibility)
181 (stencil . ,ly:bar-line::print)
182 (glyph-name . ,bar-line::calc-glyph-name)
183 (bar-size . ,ly:bar-line::calc-bar-size)
186 (time-signature . (extra-space . 0.75))
187 (custos . (minimum-space . 2.0))
188 (clef . (minimum-space . 1.0))
189 (key-signature . (extra-space . 1.0))
190 (key-cancellation . (extra-space . 1.0))
191 (first-note . (fixed-space . 1.3))
192 (next-note . (semi-fixed-space . 0.9))
193 (right-edge . (extra-space . 0.0))))
196 ;; Ross. page 151 lists other values, we opt for a leaner look
199 ;; kern should scale with line-thickness too.
202 (hair-thickness . 1.9)
203 (thick-thickness . 6.0)
204 (meta . ((class . Item)
205 (interfaces . (bar-line-interface
206 break-aligned-interface
211 (stencil . ,ly:text-interface::print)
213 (break-visibility . ,begin-of-line-visible)
216 (font-family . roman)
218 (Y-offset . ,ly:side-position-interface::y-aligned-side)
220 (outside-staff-priority . 100)
221 (X-offset . ,(ly:make-simple-closure
223 ,(ly:make-simple-closure
224 (list ly:break-alignable-interface::self-align-callback))
225 ,(ly:make-simple-closure
226 (list ly:self-alignment-interface::x-aligned-on-self)))))
228 (self-alignment-X . 1)
230 ;; want the bar number before the clef at line start.
231 (break-align-symbols . (left-edge staff-bar))
234 (interfaces . (side-position-interface
236 break-alignable-interface
237 self-alignment-interface
244 (stencil . ,ly:text-interface::print)
245 (meta . ((class . Item)
246 (interfaces . (text-interface
247 rhythmic-grob-interface
248 bass-figure-interface
254 (threshold . (2 . 1000))
255 (positioning-done . ,ly:align-interface::calc-positioning-done)
256 (Y-extent . ,ly:axis-group-interface::height)
259 (meta . ((class . Spanner)
260 (interfaces . (align-interface
261 bass-figure-alignment-interface
262 axis-group-interface))))))
264 (BassFigureAlignmentPositioning
265 . ((Y-offset . ,ly:side-position-interface::y-aligned-side)
268 (Y-extent . ,ly:axis-group-interface::height)
270 (staff-padding . 1.0)
272 (meta . ((class . Spanner)
273 (interfaces . (side-position-interface
279 (stencil . ,ly:enclosing-bracket::print)
280 (X-extent . ,ly:enclosing-bracket::width)
281 (edge-height . (0.2 . 0.2))
282 (meta . ((class . Item)
283 (interfaces . (enclosing-bracket-interface)) ))
285 (BassFigureContinuation
287 (stencil . ,ly:figured-bass-continuation::print)
288 (Y-offset . ,ly:figured-bass-continuation::center-on-figures)
289 (meta . ((class . Spanner)
290 (interfaces . (figured-bass-continuation-interface))
295 (Y-extent . ,ly:axis-group-interface::height)
296 (vertical-skylines . ,ly:axis-group-interface::calc-skylines)
297 (adjacent-pure-heights . ,ly:axis-group-interface::adjacent-pure-heights)
298 (meta . ((class . Spanner)
299 (interfaces . (axis-group-interface
305 ;; todo: clean this up a bit: the list is getting
308 (positions . ,(ly:make-simple-closure
309 (ly:make-simple-closure
310 (list chain-grob-member-functions
312 ly:beam::calc-least-squares-positions
313 ly:beam::slope-damping
314 ly:beam::shift-region-to-valid
318 ;; this is a hack to set stem lengths, if positions is set.
319 (quantized-positions . ,ly:beam::set-stem-lengths)
320 (concaveness . ,ly:beam::calc-concaveness)
321 (direction . ,ly:beam::calc-direction)
322 (shorten . ,ly:beam::calc-stem-shorten)
323 (beaming . ,ly:beam::calc-beaming)
324 (stencil . ,ly:beam::print)
326 (cross-staff . ,ly:beam::calc-cross-staff)
328 (details . ((hint-direction-penalty . 20)))
329 ;; TODO: should be in SLT.
330 (thickness . 0.48) ; in staff-space
331 (neutral-direction . ,DOWN)
333 ;; Whe have some unreferenced problems here.
335 ;; If we shorten beamed stems less than normal stems (1 staff-space),
336 ;; or high order less than 8th beams, patterns like
337 ;; c''4 [c''8 c''] c''4 [c''16 c]
338 ;; are ugly (different stem lengths).
340 ;; But if we shorten 16th beams as much as 8th beams, a single
341 ;; forced 16th beam looks *very* short.
343 ;; We choose to shorten 8th beams the same as single stems,
344 ;; and high order beams less than 8th beams, so that all
345 ;; isolated shortened beams look nice and a bit shortened,
346 ;; sadly possibly breaking patterns with high order beams.
347 (beamed-stem-shorten . (1.0 0.5 0.25))
349 (auto-knee-gap . 5.5)
351 ;; only for debugging.
352 (font-family . roman)
353 (meta . ((class . Spanner)
354 (object-callbacks . ((normal-stems . ,ly:beam::calc-normal-stems)))
355 (interfaces . (staff-symbol-referencer-interface
356 unbreakable-spanner-interface
361 (stencil . ,bend::print)
363 (meta . ((class . Spanner)
364 (interfaces . (spanner-interface
365 bend-after-interface))))))
371 (positioning-done . ,ly:break-alignment-interface::calc-positioning-done)
372 (X-extent . ,ly:axis-group-interface::width)
373 (break-align-orders . ;; end of line
395 time-signature custos)
409 (meta . ((class . Item)
410 (interfaces . (break-alignment-interface
411 axis-group-interface))))))
416 (X-extent . ,ly:axis-group-interface::width)
417 (break-align-anchor . ,ly:break-aligned-interface::calc-average-anchor)
418 (break-visibility . ,ly:break-aligned-interface::calc-break-visibility)
419 (meta . ((class . Item)
420 (interfaces . (break-aligned-interface
421 axis-group-interface))))))
425 (break-align-symbol . breathing-sign)
428 (ambitus . (extra-space . 2.0))
429 (custos . (minimum-space . 1.0))
430 (key-signature . (minimum-space . 1.5))
431 (time-signature . (minimum-space . 1.5))
432 (staff-bar . (minimum-space . 1.5))
433 (clef . (minimum-space . 2.0))
434 (first-note . (fixed-space . 1.0)) ;huh?
435 (right-edge . (extra-space . 0.1))))
436 (stencil . ,ly:text-interface::print)
437 (text . ,(make-musicglyph-markup "scripts.rcomma"))
438 (Y-offset . ,ly:breathing-sign::offset-callback)
439 (break-visibility . ,begin-of-line-invisible)
440 (meta . ((class . Item)
441 (interfaces . (break-aligned-interface
442 breathing-sign-interface
448 (stencil . ,ly:clef::print)
449 (glyph-name . ,ly:clef::calc-glyph-name)
451 (avoid-slur . inside)
452 (font-family . music)
453 (break-align-symbol . clef)
454 (break-align-anchor . ,ly:break-aligned-interface::calc-extent-aligned-anchor)
455 (break-visibility . ,begin-of-line-visible)
456 (space-alist . ((ambitus . (extra-space . 2.0))
457 (staff-bar . (extra-space . 0.7))
458 (key-cancellation . (minimum-space . 3.5))
459 (key-signature . (minimum-space . 3.5))
460 (time-signature . (minimum-space . 4.2))
461 (first-note . (minimum-fixed-space . 5.0))
462 (next-note . (extra-space . 0.5))
463 (right-edge . (extra-space . 0.5))))
464 (Y-offset . ,ly:staff-symbol-referencer::callback)
465 (meta . ((class . Item)
466 (interfaces . (clef-interface
467 staff-symbol-referencer-interface
469 break-aligned-interface))))))
471 (ClusterSpannerBeacon
473 (Y-extent . ,ly:cluster-beacon::height)
474 (meta . ((class . Item)
475 (interfaces . (rhythmic-grob-interface
476 cluster-beacon-interface))))))
480 (springs-and-rods . ,ly:spanner::set-spacing-rods)
481 (stencil . ,ly:cluster::print)
482 (minimum-length . 0.0)
485 (meta . ((class . Spanner)
486 (interfaces . (cluster-interface))))))
490 (stencil . ,ly:text-interface::print)
491 (after-line-breaking . ,ly:chord-name::after-line-breaking)
495 (meta . ((class . Item)
496 (interfaces . (font-interface
497 rhythmic-grob-interface
504 (stencil . ,ly:text-interface::print)
505 (extra-spacing-width . (+inf.0 . -inf.0))
506 (Y-offset . ,ly:side-position-interface::y-aligned-side)
507 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
510 (staff-padding . 0.5)
511 (script-priority . 200)
512 ;; todo: add X self alignment?
516 (meta . ((class . Item)
517 (interfaces . (text-script-interface
519 side-position-interface
524 (break-align-symbol . custos)
526 (stencil . ,ly:custos::print)
527 (break-visibility . ,end-of-line-visible)
529 (neutral-direction . ,DOWN)
530 (Y-offset . ,ly:staff-symbol-referencer::callback)
532 (first-note . (minimum-fixed-space . 0.0))
533 (right-edge . (extra-space . 0.1))))
534 (meta . ((class . Item)
537 staff-symbol-referencer-interface
539 break-aligned-interface))))))
545 (positioning-done . ,ly:dot-column::calc-positioning-done)
546 (X-extent . ,ly:axis-group-interface::width)
547 (meta . ((class . Item)
548 (interfaces . (dot-column-interface
549 axis-group-interface))))))
553 (stencil . ,ly:dots::print)
554 (dot-count . ,dots::calc-dot-count)
555 (staff-position . ,dots::calc-staff-position)
556 (meta . ((class . Item)
557 (interfaces . (font-interface
558 staff-symbol-referencer-interface
563 (stencil . ,ly:percent-repeat-item-interface::double-percent)
566 (font-encoding . fetaMusic)
569 (break-align-symbol . staff-bar)
570 (break-visibility . ,begin-of-line-invisible)
571 (meta . ((class . Item)
572 (interfaces . (font-interface
573 break-aligned-interface
574 percent-repeat-item-interface))))))
576 (DoublePercentRepeatCounter
578 (stencil . ,ly:text-interface::print)
579 (X-offset . ,(ly:make-simple-closure `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::centered-on-y-parent))
580 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self)))))
581 (Y-offset . ,ly:side-position-interface::y-aligned-side)
582 (font-encoding . fetaNumber)
583 (self-alignment-X . 0)
587 (staff-padding . 0.25)
589 (meta . ((class . Item)
590 (interfaces . (side-position-interface
591 self-alignment-interface
592 percent-repeat-item-interface
598 (Y-offset . ,ly:side-position-interface::y-aligned-side)
599 (staff-padding . 0.1)
602 (minimum-space . 1.2)
605 (outside-staff-priority . 250)
606 (Y-extent . ,ly:axis-group-interface::height)
607 (X-extent . ,ly:axis-group-interface::width)
608 (cross-staff . ,ly:side-position-interface::calc-cross-staff)
609 (meta . ((class . Spanner)
610 (interfaces . (axis-group-interface
612 dynamic-line-spanner-interface
613 side-position-interface))))))
620 (stencil . ,ly:text-interface::print)
621 (direction . ,ly:script-interface::calc-direction)
622 (positioning-done . ,ly:script-interface::calc-positioning-done)
624 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
625 (self-alignment-X . 0)
626 (Y-offset . ,ly:self-alignment-interface::y-aligned-on-self)
627 (self-alignment-Y . 0)
629 (font-encoding . fetaDynamic)
630 (font-shape . italic)
631 (extra-spacing-width . (+inf.0 . -inf.0))
632 (outside-staff-priority . 250)
633 (meta . ((class . Item)
634 (interfaces . (font-interface
636 self-alignment-interface
638 script-interface))))))
642 ;; rather ugh with NCSB
643 ;; (font-series . bold)
644 (font-shape . italic)
645 (style . dashed-line)
647 ;; make sure the spanner doesn't get too close to notes
648 (minimum-Y-extent . (-1 . 1))
649 (bound-details . ((right . ((attach-dir . ,LEFT)
653 (right-broken . ((attach-dir . ,RIGHT)
657 (left . ((attach-dir . ,LEFT)
659 (stencil-offset . (0 . -0.5))
662 (left-broken . ((attach-dir . ,RIGHT)
665 (stencil . ,ly:line-spanner::print)
666 (left-bound-info . ,ly:line-spanner::calc-left-bound-info-and-text)
667 (right-bound-info . ,ly:line-spanner::calc-right-bound-info)
669 ;; need to blend with dynamic texts.
671 (dash-fraction . 0.2)
673 (meta . ((class . Spanner)
674 (interfaces . (font-interface
676 line-spanner-interface
679 dynamic-text-spanner-interface
680 spanner-interface))))))
686 ;; sync with TextScript (?)
689 (avoid-slur . around)
691 (staff-padding . 0.5)
692 (self-alignment-X . 0)
693 (self-alignment-Y . 0)
694 (script-priority . 100)
695 (stencil . ,ly:text-interface::print)
696 (direction . ,ly:script-interface::calc-direction)
697 (positioning-done . ,ly:script-interface::calc-positioning-done)
699 (text . ,fingering::calc-text)
700 (font-encoding . fetaNumber)
701 (font-size . -5) ; don't overlap when next to heads.
702 (meta . ((class . Item)
703 (interfaces . (finger-interface
705 text-script-interface
707 side-position-interface
708 self-alignment-interface
711 . ((stencil . ,fret-board::calc-stencil)
712 (finger-code . below-string)
713 (meta . ((class . Item)
714 (interfaces . (fret-diagram-interface
722 (zigzag-width . 0.75)
725 (bound-details . ((right . ((attach-dir . ,CENTER)
728 (left . ((attach-dir . ,CENTER)
732 (stencil . ,ly:line-spanner::print)
733 (left-bound-info . ,ly:line-spanner::calc-left-bound-info)
734 (right-bound-info . ,ly:line-spanner::calc-right-bound-info)
735 (meta . ((class . Spanner)
736 (interfaces . (line-interface
737 unbreakable-spanner-interface
738 line-spanner-interface))))))
742 (common-shortest-duration . ,grace-spacing::calc-shortest-duration)
743 (spacing-increment . 0.8)
744 (shortest-duration-space . 1.6)
745 (meta . ((class . Spanner)
746 (interfaces . (grace-spacing-interface
748 spacing-options-interface
749 spanner-interface))))))
754 (meta . ((class . Item)
755 (interfaces . (grid-point-interface))))))
759 (X-extent . ,ly:grid-line-interface::width)
760 (stencil . ,ly:grid-line-interface::print)
761 (self-alignment-X . ,CENTER)
762 (X-offset . ,(ly:make-simple-closure
763 `(,+ ,(ly:make-simple-closure
764 (list ly:self-alignment-interface::centered-on-x-parent))
765 ,(ly:make-simple-closure
766 (list ly:self-alignment-interface::x-aligned-on-self)))))
768 (meta . ((class . Item)
769 (interfaces . (self-alignment-interface
770 grid-line-interface))))))
774 (stencil . ,ly:hairpin::print)
775 (springs-and-rods . ,ly:spanner::set-spacing-rods)
776 (after-line-breaking . ,ly:hairpin::after-line-breaking)
777 (grow-direction . ,hairpin::calc-grow-direction)
781 (minimum-length . 2.0)
782 (bound-padding . 1.0)
783 (self-alignment-Y . 0)
784 (Y-offset . ,ly:self-alignment-interface::y-aligned-on-self)
785 (meta . ((class . Spanner)
786 (interfaces . (hairpin-interface
788 self-alignment-interface
790 spanner-interface))))))
795 (stencil . ,ly:horizontal-bracket::print)
796 (Y-offset . ,ly:side-position-interface::y-aligned-side)
797 (connect-to-neighbor . ,ly:tuplet-bracket::calc-connect-to-neighbors)
800 (staff-padding . 0.2)
803 (bracket-flare . (0.5 . 0.5))
804 (meta . ((class . Spanner)
805 (interfaces . (horizontal-bracket-interface
806 side-position-interface
808 spanner-interface))))))
812 (stencil . ,ly:system-start-text::print)
813 (X-offset . ,ly:side-position-interface::x-aligned-side)
815 (self-alignment-Y . ,CENTER)
816 (meta . ((class . Spanner)
817 (interfaces . (system-start-text-interface
818 side-position-interface
824 (stencil . ,ly:text-interface::print)
825 (Y-offset . ,ly:side-position-interface::y-aligned-side)
826 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
829 (self-alignment-X . ,CENTER)
830 (meta . ((class . Item)
831 (interfaces . (side-position-interface
836 (stencil . ,ly:key-signature-interface::print)
837 (glyph-name-alist . ,cancellation-glyph-name-alist)
839 (time-signature . (extra-space . 1.25))
840 (staff-bar . (extra-space . 0.6))
841 (key-signature . (extra-space . 0.5))
842 (right-edge . (extra-space . 0.5))
843 (first-note . (fixed-space . 2.5))))
844 (Y-offset . ,ly:staff-symbol-referencer::callback)
845 (break-align-symbol . key-cancellation)
846 (break-visibility . ,begin-of-line-invisible)
848 (meta . ((class . Item)
849 (interfaces . (key-cancellation-interface
850 key-signature-interface
852 break-aligned-interface))))))
855 (stencil . ,ly:key-signature-interface::print)
856 (avoid-slur . inside)
857 (glyph-name-alist . ,standard-alteration-glyph-name-alist)
859 (time-signature . (extra-space . 1.15))
860 (staff-bar . (extra-space . 1.1))
861 (right-edge . (extra-space . 0.5))
862 (first-note . (fixed-space . 2.5))))
863 (Y-offset . ,ly:staff-symbol-referencer::callback)
864 (break-align-symbol . key-signature)
865 (break-align-anchor . ,ly:break-aligned-interface::calc-extent-aligned-anchor)
866 (break-visibility . ,begin-of-line-visible)
868 (meta . ((class . Item)
869 (interfaces . (key-signature-interface
871 break-aligned-interface))))))
876 (stencil . ,ly:tie::print)
877 (control-points . ,ly:semi-tie::calc-control-points)
878 (direction . ,ly:tie::calc-direction)
879 (details . ((ratio . 0.333)
880 (height-limit . 1.0)))
881 (head-direction . ,LEFT)
883 (meta . ((class . Item)
884 (interfaces . (semi-tie-interface))
888 (LaissezVibrerTieColumn
892 (head-direction . ,LEFT)
893 (positioning-done . ,ly:semi-tie-column::calc-positioning-done)
894 (meta . ((class . Item)
895 (interfaces . (semi-tie-column-interface))
901 (springs-and-rods . ,ly:ledger-line-spanner::set-spacing-rods)
902 (stencil . ,ly:ledger-line-spanner::print)
905 (minimum-length-fraction . 0.25)
906 (length-fraction . 0.25)
908 (meta . ((class . Spanner)
909 (interfaces . (ledger-line-spanner-interface))))))
913 (break-align-symbol . left-edge)
914 (break-align-anchor . ,ly:break-aligned-interface::calc-extent-aligned-anchor)
917 (break-visibility . ,center-invisible)
919 (custos . (extra-space . 0.0))
920 (ambitus . (extra-space . 2.0))
921 (time-signature . (extra-space . 1.0))
922 (staff-bar . (extra-space . 0.0))
923 (breathing-sign . (minimum-space . 0.0))
924 (clef . (extra-space . 0.8))
925 (first-note . (fixed-space . 2.0))
926 (right-edge . (extra-space . 0.0))
927 (key-signature . (extra-space . 0.0))
928 (key-cancellation . (extra-space . 0.0))
930 (meta . ((class . Item)
931 (interfaces . (break-aligned-interface))))))
935 ;; ugh. A ligature bracket is totally different from
940 (edge-height . (0.7 . 0.7))
941 (shorten-pair . (-0.2 . -0.2))
943 (positions . ,ly:tuplet-bracket::calc-positions)
944 (stencil . ,ly:tuplet-bracket::print)
945 (staff-padding . 0.25)
946 (connect-to-neighbor . ,ly:tuplet-bracket::calc-connect-to-neighbors)
947 (control-points . ,ly:tuplet-bracket::calc-control-points)
948 (meta . ((class . Spanner)
949 (interfaces . (line-interface
950 tuplet-bracket-interface))))))
955 (stencil . ,ly:lyric-extender::print)
956 (thickness . 0.8) ; line-thickness
957 (minimum-length . 1.5)
959 (meta . ((class . Spanner)
960 (interfaces . (lyric-interface
961 lyric-extender-interface))))))
969 (minimum-length . 0.3)
970 (minimum-distance . 0.1)
972 (springs-and-rods . ,ly:lyric-hyphen::set-spacing-rods)
973 (stencil . ,ly:lyric-hyphen::print)
975 (meta . ((class . Spanner)
976 (interfaces . (lyric-interface
978 lyric-hyphen-interface
979 spanner-interface))))))
982 . ((minimum-distance . 0.45)
983 (springs-and-rods . ,ly:lyric-hyphen::set-spacing-rods)
987 (meta . ((class . Spanner)
988 (interfaces . (spanner-interface
989 lyric-hyphen-interface ))
995 (stencil . ,lyric-text::print)
996 (text . ,(grob::calc-property-by-copy 'text))
997 (X-offset . ,ly:self-alignment-interface::aligned-on-x-parent)
998 (self-alignment-X . 0)
1000 (font-series . bold-narrow)
1002 (extra-spacing-width . (0.0 . 0.0))
1003 (meta . ((class . Item)
1004 (interfaces . (rhythmic-grob-interface
1005 lyric-syllable-interface
1006 self-alignment-interface
1008 font-interface))))))
1013 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1015 (stencil . ,ly:measure-grouping::print)
1021 (meta . ((class . Spanner)
1022 (interfaces . (side-position-interface
1023 measure-grouping-interface))))))
1027 (neutral-direction . ,DOWN)
1028 (meta . ((class . Item)
1029 (interfaces . (melody-spanner-interface ))))))
1034 (stencil . ,ly:mensural-ligature::print)
1035 (meta . ((class . Spanner)
1036 (interfaces . (mensural-ligature-interface
1037 font-interface))))))
1041 (stencil . ,ly:text-interface::print)
1042 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1046 (outside-staff-priority . 1000)
1047 (meta . ((class . Item)
1048 (interfaces . (text-interface
1049 side-position-interface
1051 metronome-mark-interface))))))
1056 (stencil . ,ly:multi-measure-rest::print)
1057 (springs-and-rods . ,ly:multi-measure-rest::set-spacing-rods)
1058 (Y-offset . ,ly:staff-symbol-referencer::callback)
1059 (staff-position . 0)
1061 (thick-thickness . 6.6)
1062 (hair-thickness . 2.0)
1064 (meta . ((class . Spanner)
1065 (interfaces . (multi-measure-rest-interface
1066 multi-measure-interface
1069 staff-symbol-referencer-interface))))))
1072 (MultiMeasureRestNumber
1074 (bound-padding . 2.0)
1075 (springs-and-rods . ,ly:multi-measure-rest::set-text-rods)
1076 (stencil . ,ly:text-interface::print)
1077 (X-offset . ,(ly:make-simple-closure
1078 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self))
1079 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-centered-on-y-parent)))))
1080 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1082 (self-alignment-X . 0)
1085 (staff-padding . 0.4)
1086 (font-encoding . fetaNumber)
1087 (meta . ((class . Spanner)
1088 (interfaces . (side-position-interface
1089 multi-measure-interface
1090 self-alignment-interface
1095 (MultiMeasureRestText
1097 (stencil . ,ly:text-interface::print)
1098 (X-offset . ,(ly:make-simple-closure
1099 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-centered-on-y-parent))
1100 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self)))))
1102 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1103 (self-alignment-X . 0)
1106 (staff-padding . 0.25)
1107 (meta . ((class . Spanner)
1108 (interfaces . (side-position-interface
1109 multi-measure-interface
1110 self-alignment-interface
1112 text-interface))))))
1114 (NonMusicalPaperColumn
1116 (allow-loose-spacing . #t)
1118 (before-line-breaking . ,ly:paper-column::before-line-breaking)
1119 (X-extent . ,ly:axis-group-interface::width)
1120 (horizontal-skylines . ,ly:separation-item::calc-skylines)
1121 ;; (stencil . ,ly:paper-column::print)
1124 (line-break-permission . allow)
1125 (page-break-permission . allow)
1127 ;; debugging stuff: print column number.
1128 ;; (font-size . -6) (font-name . "sans") (Y-extent . #f)
1130 (meta . ((class . Paper_column)
1131 (interfaces . (paper-column-interface
1132 axis-group-interface
1133 separation-item-interface
1134 spaceable-grob-interface))))))
1139 (X-extent . ,ly:axis-group-interface::width)
1140 (Y-extent . ,ly:axis-group-interface::height)
1141 (positioning-done . ,ly:note-collision-interface::calc-positioning-done)
1142 (meta . ((class . Item)
1143 (interfaces . (note-collision-interface
1144 axis-group-interface))))))
1149 (X-extent . ,ly:axis-group-interface::width)
1150 (Y-extent . ,ly:axis-group-interface::height)
1151 (horizontal-skylines . ,ly:separation-item::calc-skylines)
1152 (meta . ((class . Item)
1153 (interfaces . (axis-group-interface
1154 separation-item-interface
1155 note-column-interface))))))
1159 (stencil . ,ly:note-head::print)
1160 (duration-log . ,note-head::calc-duration-log)
1161 (stem-attachment . ,ly:note-head::calc-stem-attachment)
1162 (glyph-name . ,note-head::calc-glyph-name)
1163 (Y-offset . ,ly:staff-symbol-referencer::callback)
1164 (X-offset . ,ly:note-head::stem-x-shift)
1165 (meta . ((class . Item)
1166 (interfaces . (rhythmic-grob-interface
1167 rhythmic-head-interface
1171 staff-symbol-referencer-interface))))))
1175 (stem-spacing-correction . 0.5)
1176 (same-direction-correction . 0.25)
1177 (space-to-barline . #t)
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 (meta . ((class . System)
1725 (interfaces . (system-interface
1726 axis-group-interface))))))
1732 (stencil . ,ly:system-start-delimiter::print)
1733 (collapse-height . 5.0)
1734 (X-offset . ,ly:side-position-interface::x-aligned-side)
1736 (font-encoding . fetaBraces)
1738 (meta . ((class . Spanner)
1739 (interfaces . (system-start-delimiter-interface
1740 side-position-interface
1741 font-interface))))))
1747 (X-offset . ,ly:side-position-interface::x-aligned-side)
1749 (stencil . ,ly:system-start-delimiter::print)
1750 (style . line-bracket)
1752 (meta . ((class . Spanner)
1753 (interfaces . (font-interface
1754 side-position-interface
1755 system-start-delimiter-interface))))))
1760 (X-offset . ,ly:side-position-interface::x-aligned-side)
1762 (stencil . ,ly:system-start-delimiter::print)
1764 (collapse-height . 5.0)
1766 (meta . ((class . Spanner)
1767 (interfaces . (font-interface
1768 side-position-interface
1769 system-start-delimiter-interface))))))
1776 (padding . -0.1) ;; bar must cover rounded ending of staff line.
1777 (X-offset . ,ly:side-position-interface::x-aligned-side)
1781 (stencil . ,ly:system-start-delimiter::print)
1782 (meta . ((class . Spanner)
1783 (interfaces . (side-position-interface
1784 system-start-delimiter-interface))))))
1788 (stencil . ,ly:text-interface::print)
1789 (Y-offset . ,ly:staff-symbol-referencer::callback)
1790 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1793 (stem-attachment . (0.0 . 1.35))
1794 (font-series . bold)
1795 (meta . ((class . Item)
1797 . (rhythmic-head-interface
1798 font-interface rhythmic-grob-interface
1800 staff-symbol-referencer-interface
1801 text-interface))))))
1805 (extra-spacing-width . (+inf.0 . -inf.0))
1806 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1807 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1811 ;; sync with Fingering ?
1813 (staff-padding . 0.5)
1815 (stencil . ,ly:text-interface::print)
1816 (direction . ,ly:script-interface::calc-direction)
1817 (positioning-done . ,ly:script-interface::calc-positioning-done)
1819 (outside-staff-priority . 450)
1820 (avoid-slur . around)
1821 (slur-padding . 0.5)
1822 (script-priority . 200)
1823 ;; todo: add X self alignment?
1824 (meta . ((class . Item)
1825 (interfaces . (text-script-interface
1827 side-position-interface
1828 font-interface))))))
1832 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1833 (font-shape . italic)
1834 (style . dashed-line)
1835 (staff-padding . 0.8)
1836 (dash-fraction . 0.2)
1840 (outside-staff-priority . 350)
1842 (left-bound-info . ,ly:line-spanner::calc-left-bound-info)
1843 (right-bound-info . ,ly:line-spanner::calc-right-bound-info)
1844 (bound-details . ((left . ((Y . 0)
1846 (attach-dir . ,LEFT)
1852 (stencil . ,ly:line-spanner::print)
1854 (meta . ((class . Spanner)
1855 (interfaces . (line-spanner-interface
1856 side-position-interface
1857 font-interface))))))
1861 (control-points . ,ly:tie::calc-control-points)
1862 (springs-and-rods . ,ly:spanner::set-spacing-rods)
1863 (avoid-slur . inside)
1864 (direction . ,ly:tie::calc-direction)
1865 (stencil . ,ly:tie::print)
1868 ;; for a full list, see tie-details.cc
1870 (center-staff-line-clearance . 0.6)
1871 (tip-staff-line-clearance . 0.45)
1872 (note-head-gap . 0.2)
1874 (height-limit . 1.0)
1875 (horizontal-distance-penalty-factor . 10)
1876 (same-dir-as-stem-penalty . 8)
1877 (min-length-penalty-factor . 26)
1878 (tie-tie-collision-distance . 0.45)
1879 (tie-tie-collision-penalty . 25.0)
1880 (intra-space-threshold . 1.25)
1881 (outer-tie-vertical-distance-symmetry-penalty-factor . 10)
1882 (outer-tie-length-symmetry-penalty-factor . 10)
1883 (vertical-distance-penalty-factor . 7)
1884 (outer-tie-vertical-gap . 0.25)
1885 (multi-tie-region-size . 1)
1886 (single-tie-region-size . 4)
1887 (between-length-limit . 1.0)))
1890 (line-thickness . 0.8)
1891 (meta . ((class . Spanner)
1892 (interfaces . (tie-interface))))
1897 (positioning-done . ,ly:tie-column::calc-positioning-done)
1898 (before-line-breaking . ,ly:tie-column::before-line-breaking)
1901 (meta . ((class . Spanner)
1902 (interfaces . (tie-column-interface))))))
1906 (stencil . ,ly:time-signature::print)
1907 (break-align-symbol . time-signature)
1908 (break-align-anchor . ,ly:break-aligned-interface::calc-extent-aligned-anchor)
1909 (break-visibility . ,all-visible)
1910 (avoid-slur . inside)
1912 (first-note . (fixed-space . 2.0))
1913 (right-edge . (extra-space . 0.5))
1914 (staff-bar . (minimum-space . 2.0))))
1917 (meta . ((class . Item)
1918 (interfaces . (time-signature-interface
1919 break-aligned-interface
1920 font-interface))))))
1924 (left-bound-info . ,ly:line-spanner::calc-left-bound-info)
1925 (right-bound-info . ,ly:line-spanner::calc-right-bound-info)
1927 (bound-details . ((left . ((text . ,(make-translate-scaled-markup
1929 (make-musicglyph-markup "scripts.trill")))
1932 (attach-dir . ,LEFT)
1937 (stencil . ,ly:line-spanner::print)
1940 (staff-padding . 1.0)
1943 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1945 (outside-staff-priority . 50)
1946 (meta . ((class . Spanner)
1947 (interfaces . (line-spanner-interface
1949 trill-spanner-interface
1950 side-position-interface
1951 font-interface))))))
1953 (TrillPitchAccidental
1954 . ((X-offset . ,ly:side-position-interface::x-aligned-side)
1959 (stencil . ,ly:accidental-interface::print)
1960 (Y-extent . ,ly:accidental-interface::height)
1961 (glyph-name-alist . ,standard-alteration-glyph-name-alist)
1962 (meta . ((class . Item)
1963 (interfaces . (trill-pitch-accidental-interface
1964 accidental-interface
1965 side-position-interface
1966 font-interface))))))
1969 . ((X-offset . ,ly:side-position-interface::x-aligned-side)
1972 (stencil . ,parenthesize-elements)
1973 (stencils . ,parentheses-item::calc-parenthesis-stencils)
1974 (direction . ,RIGHT)
1977 (meta . ((class . Item)
1978 (interfaces . (side-position-interface
1979 parentheses-interface
1981 rhythmic-head-interface
1983 axis-group-interface))))))
1987 (stencil . ,ly:note-head::print)
1989 (Y-offset . ,ly:staff-symbol-referencer::callback)
1991 (meta . ((class . Item)
1992 (interfaces . (rhythmic-head-interface
1994 pitched-trill-interface
1996 staff-symbol-referencer-interface))))))
2002 (edge-height . (0.7 . 0.7))
2003 (shorten-pair . (-0.2 . -0.2))
2004 (staff-padding . 0.25)
2005 (direction . ,ly:tuplet-bracket::calc-direction)
2006 (positions . ,ly:tuplet-bracket::calc-positions)
2007 (connect-to-neighbor . ,ly:tuplet-bracket::calc-connect-to-neighbors)
2008 (control-points . ,ly:tuplet-bracket::calc-control-points)
2009 (stencil . ,ly:tuplet-bracket::print)
2010 (cross-staff . ,ly:tuplet-bracket::calc-cross-staff)
2012 (meta . ((class . Spanner)
2013 (interfaces . (line-interface
2014 tuplet-bracket-interface))))))
2018 (stencil . ,ly:tuplet-number::print)
2019 (text . ,tuplet-number::calc-denominator-text)
2020 (font-shape . italic)
2022 (avoid-slur . inside)
2023 (cross-staff . ,ly:tuplet-number::calc-cross-staff)
2024 (meta . ((class . Spanner)
2025 (interfaces . (text-interface tuplet-number-interface
2026 font-interface))))))
2030 (stencil . ,ly:text-interface::print)
2031 (font-shape . italic)
2032 (extra-spacing-width . (+inf.0 . -inf.0))
2033 (self-alignment-X . 0)
2034 (direction . ,RIGHT)
2035 (padding . 0.0) ;; padding relative to UnaCordaPedalLineSpanner
2036 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
2037 (meta . ((class . Item)
2038 (interfaces . (text-interface
2039 piano-pedal-script-interface
2040 self-alignment-interface
2041 font-interface))))))
2043 (UnaCordaPedalLineSpanner
2046 (Y-extent . ,ly:axis-group-interface::height)
2047 (Y-offset . ,ly:side-position-interface::y-aligned-side)
2050 (staff-padding . 1.2)
2051 (minimum-space . 1.0)
2053 (meta . ((class . Spanner)
2054 (interfaces . (piano-pedal-interface
2055 axis-group-interface
2056 side-position-interface))))))
2062 (stencil . ,ly:vaticana-ligature::print)
2063 (meta . ((class . Spanner)
2064 (interfaces . (vaticana-ligature-interface
2065 font-interface))))))
2070 (positioning-done . ,ly:align-interface::calc-positioning-done)
2071 (after-line-breaking . ,ly:align-interface::stretch-after-break)
2072 (Y-extent . ,ly:axis-group-interface::height)
2073 (X-extent . ,ly:axis-group-interface::width)
2076 (vertical-skylines . ,ly:axis-group-interface::combine-skylines)
2077 (max-stretch . ,ly:align-interface::calc-max-stretch)
2078 (meta . ((class . Spanner)
2079 (object-callbacks . ((Y-common . ,ly:axis-group-interface::calc-y-common)))
2080 (interfaces . (align-interface
2081 axis-group-interface))))))
2085 (Y-offset . ,ly:hara-kiri-group-spanner::force-hara-kiri-callback)
2086 (Y-extent . ,ly:hara-kiri-group-spanner::y-extent)
2087 (X-extent . ,ly:axis-group-interface::width)
2088 (vertical-skylines . ,ly:hara-kiri-group-spanner::calc-skylines)
2089 (max-stretch . ,ly:axis-group-interface::calc-max-stretch)
2090 (stencil . ,ly:axis-group-interface::print)
2091 (adjacent-pure-heights . ,ly:axis-group-interface::adjacent-pure-heights)
2092 (meta . ((class . Spanner)
2093 (object-callbacks . ((X-common . ,ly:axis-group-interface::calc-x-common)))
2094 (interfaces . (axis-group-interface
2095 hara-kiri-group-spanner-interface
2096 vertically-spaceable-interface))))))
2101 (stencil . ,ly:volta-bracket-interface::print)
2102 (font-encoding . fetaNumber)
2103 (thickness . 1.6) ;; line-thickness
2104 (edge-height . (2.0 . 2.0)) ;; staff-space;
2107 (meta . ((class . Spanner)
2108 (interfaces . (volta-bracket-interface
2109 horizontal-bracket-interface
2112 side-position-interface
2116 (VoltaBracketSpanner
2122 (Y-offset . ,ly:side-position-interface::y-aligned-side)
2123 (outside-staff-priority . 100)
2124 (Y-extent . ,ly:axis-group-interface::height)
2125 (X-extent . ,ly:axis-group-interface::width)
2126 (no-alignment . ,#t)
2127 (meta . ((class . Spanner)
2128 (interfaces . (side-position-interface
2129 axis-group-interface)))
2139 (bound-details . ((right . ((attach-dir . ,CENTER)
2142 (left . ((attach-dir . ,CENTER)
2146 (stencil . ,ly:line-spanner::print)
2147 (left-bound-info . ,ly:line-spanner::calc-left-bound-info)
2148 (right-bound-info . ,ly:line-spanner::calc-right-bound-info)
2149 (meta . ((class . Spanner)
2150 (interfaces . (line-spanner-interface
2156 (define (completize-grob-entry x)
2157 "Transplant assoc key into 'name entry of 'meta of X. Set interfaces for Item, Spanner etc.
2159 ;; (display (car x))
2161 (let* ((name-sym (car x))
2162 (grob-entry (cdr x))
2163 (meta-entry (cdr (assoc 'meta grob-entry)))
2164 (class (cdr (assoc 'class meta-entry)))
2166 (cdr (assoc 'interfaces meta-entry))))
2170 (set! ifaces-entry (cons 'item-interface ifaces-entry)))
2171 ((eq? 'Spanner class)
2172 (set! ifaces-entry (cons 'spanner-interface ifaces-entry)))
2173 ((eq? 'Paper_column class)
2174 (set! ifaces-entry (cons 'item-interface
2175 (cons 'paper-column-interface ifaces-entry))))
2176 ((eq? 'System class)
2177 (set! ifaces-entry (cons 'system-interface
2178 (cons 'spanner-interface ifaces-entry))))
2180 (ly:warning "Unknown class ~a" class)))
2182 (set! ifaces-entry (uniq-list (sort ifaces-entry symbol<?)))
2183 (set! ifaces-entry (cons 'grob-interface ifaces-entry))
2185 (set! meta-entry (assoc-set! meta-entry 'name name-sym))
2186 (set! meta-entry (assoc-set! meta-entry 'interfaces
2188 (set! grob-entry (assoc-set! grob-entry 'meta meta-entry))
2189 (cons name-sym grob-entry)))
2191 (set! all-grob-descriptions (map completize-grob-entry all-grob-descriptions))
2193 ;; (display (map pair? all-grob-descriptions))
2195 ;; make sure that \property Foo.Bar =\turnOff doesn't complain
2198 ;; (display (car x)) (newline)
2200 (set-object-property! (car x) 'translation-type? list?)
2201 (set-object-property! (car x) 'is-grob? #t))
2202 all-grob-descriptions)
2204 (set! all-grob-descriptions (sort all-grob-descriptions alist<?))
2206 (define pure-print-callbacks
2208 print-circled-text-callback
2211 ly:arpeggio::brew-chord-bracket
2216 ly:text-interface::print
2217 ly:script-interface::print))
2219 ;; ly:grob::stencil-extent is safe iff the print callback is safe too
2220 (define (pure-stencil-height grob start stop)
2221 (let ((sten (ly:grob-property-data grob 'stencil)))
2224 (memq sten pure-print-callbacks))
2225 (ly:grob::stencil-height grob)
2228 (define pure-conversions-alist
2230 (,ly:accidental-interface::height . ,ly:accidental-interface::pure-height)
2231 (,ly:arpeggio::height . ,ly:arpeggio::pure-height)
2232 (,ly:slur::outside-slur-callback . ,ly:slur::pure-outside-slur-callback)
2233 (,ly:stem::height . ,ly:stem::pure-height)
2234 (,ly:rest::height . ,ly:rest::pure-height)
2235 (,ly:grob::stencil-height . ,pure-stencil-height)
2236 (,ly:side-position-interface::y-aligned-side . ,ly:side-position-interface::pure-y-aligned-side)
2237 (,ly:axis-group-interface::height . ,ly:axis-group-interface::pure-height)
2238 (,ly:hara-kiri-group-spanner::y-extent . ,ly:hara-kiri-group-spanner::pure-height)
2239 (,ly:slur::height . ,ly:slur::pure-height)
2240 (,ly:side-position-interface::y-aligned-side . ,ly:side-position-interface::pure-y-aligned-side)))
2242 (define pure-functions
2244 ly:staff-symbol-referencer::callback
2245 ly:staff-symbol::height))
2247 (define-public (pure-relevant? grob)
2248 (let ((extent-callback (ly:grob-property-data grob 'Y-extent)))
2251 (pair? extent-callback)
2252 (memq extent-callback pure-functions)
2254 (pair? (assq extent-callback pure-conversions-alist))
2257 (not (eq? extent-callback ly:grob::stencil-height))
2258 (memq (ly:grob-property-data grob 'stencil) pure-print-callbacks)
2259 (ly:stencil? (ly:grob-property-data grob 'stencil))
2263 (define-public (call-pure-function unpure args start end)
2264 (if (ly:simple-closure? unpure)
2265 (ly:eval-simple-closure (car args) unpure start end)
2266 (if (not (procedure? unpure))
2268 (if (memq unpure pure-functions)
2270 (let ((pure (assq unpure pure-conversions-alist)))
2274 (list (car args) start end)