1 ;;;; define-grobs.scm --
3 ;;;; source file of the GNU LilyPond music typesetter
5 ;;;; (c) 1998--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
6 ;;;; Jan Nieuwenhuizen <janneke@gnu.org>
8 ;;;; distances are given in line-thickness (thicknesses) and
9 ;;;; staff-space (distances)
11 ;;;; WARNING: the meta field should be the last one.
12 ;;;; WARNING: don't use anonymous functions for initialization.
14 ;; TODO: junk the meta field in favor of something more compact?
16 ;;; todo:: reorder sensibly.
18 (define-public all-grob-descriptions
23 (glyph-name-alist . ,standard-alteration-glyph-name-alist)
24 (alteration . ,accidental-interface::calc-alteration)
25 (stencil . ,ly:accidental-interface::print)
27 . ,ly:accidental-interface::after-line-breaking)
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)
39 . ,ly:accidental-interface::after-line-breaking)
40 (meta . ((class . Item)
41 (interfaces . (accidental-interface
47 (stencil . ,ly:accidental-interface::print)
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 (glyph-name-alist . ,standard-alteration-glyph-name-alist)
124 (after-line-breaking . ,ly:accidental-interface::after-line-breaking)
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 (meta . ((class . Item)
158 (interfaces . (arpeggio-interface
159 staff-symbol-referencer-interface
160 side-position-interface
164 . ((stencil . ,ly:balloon-interface::print)
165 (text . ,(grob::calc-property-by-copy 'text))
166 (X-offset . ,(grob::calc-property-by-copy 'X-offset))
167 (Y-offset . ,(grob::calc-property-by-copy 'Y-offset))
168 (meta . ((class . Item)
169 (interfaces . (text-interface
173 (break-align-symbol . staff-bar)
177 (break-visibility . ,all-visible)
179 (extra-spacing-width . (-0.3 . 0.3))
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 . 1.3))
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-symbol . left-edge)
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 (skylines . ,ly:axis-group-interface::calc-skylines)
297 (meta . ((class . Spanner)
298 (interfaces . (axis-group-interface
304 ;; todo: clean this up a bit: the list is getting
307 (positions . ,(ly:make-simple-closure
308 (ly:make-simple-closure
309 (list chain-grob-member-functions
311 ly:beam::calc-least-squares-positions
312 ly:beam::slope-damping
313 ly:beam::shift-region-to-valid
317 ;; this is a hack to set stem lengths, if positions is set.
318 (quantized-positions . ,ly:beam::set-stem-lengths)
319 (concaveness . ,ly:beam::calc-concaveness)
320 (direction . ,ly:beam::calc-direction)
321 (shorten . ,ly:beam::calc-stem-shorten)
322 (beaming . ,ly:beam::calc-beaming)
323 (stencil . ,ly:beam::print)
326 (details . ((hint-direction-penalty . 20)))
327 ;; TODO: should be in SLT.
328 (thickness . 0.48) ; in staff-space
329 (neutral-direction . ,DOWN)
331 ;; Whe have some unreferenced problems here.
333 ;; If we shorten beamed stems less than normal stems (1 staff-space),
334 ;; or high order less than 8th beams, patterns like
335 ;; c''4 [c''8 c''] c''4 [c''16 c]
336 ;; are ugly (different stem lengths).
338 ;; But if we shorten 16th beams as much as 8th beams, a single
339 ;; forced 16th beam looks *very* short.
341 ;; We choose to shorten 8th beams the same as single stems,
342 ;; and high order beams less than 8th beams, so that all
343 ;; isolated shortened beams look nice and a bit shortened,
344 ;; sadly possibly breaking patterns with high order beams.
345 (beamed-stem-shorten . (1.0 0.5 0.25))
347 (auto-knee-gap . 5.5)
349 ;; only for debugging.
350 (font-family . roman)
351 (meta . ((class . Spanner)
352 (object-callbacks . ((normal-stems . ,ly:beam::calc-normal-stems)))
353 (interfaces . (staff-symbol-referencer-interface
354 unbreakable-spanner-interface
359 (stencil . ,bend::print)
361 (meta . ((class . Spanner)
362 (interfaces . (spanner-interface
363 bend-after-interface))))))
369 (positioning-done . ,ly:break-alignment-interface::calc-positioning-done)
370 (X-extent . ,ly:axis-group-interface::width)
371 (break-align-orders . ;; end of line
393 time-signature custos)
407 (meta . ((class . Item)
408 (interfaces . (break-alignment-interface
409 axis-group-interface))))))
414 (X-extent . ,ly:axis-group-interface::width)
415 (meta . ((class . Item)
416 (interfaces . (break-aligned-interface
417 axis-group-interface))))))
421 (break-align-symbol . breathing-sign)
424 (ambitus . (extra-space . 2.0))
425 (custos . (minimum-space . 1.0))
426 (key-signature . (minimum-space . 1.5))
427 (time-signature . (minimum-space . 1.5))
428 (staff-bar . (minimum-space . 1.5))
429 (clef . (minimum-space . 2.0))
430 (first-note . (fixed-space . 1.0)) ;huh?
431 (right-edge . (extra-space . 0.1))))
432 (stencil . ,ly:text-interface::print)
433 (text . ,(make-musicglyph-markup "scripts.rcomma"))
434 (Y-offset . ,ly:breathing-sign::offset-callback)
435 (break-visibility . ,begin-of-line-invisible)
436 (meta . ((class . Item)
437 (interfaces . (break-aligned-interface
438 breathing-sign-interface
444 (stencil . ,ly:clef::print)
445 (glyph-name . ,ly:clef::calc-glyph-name)
447 (avoid-slur . inside)
448 (font-family . music)
449 (break-align-symbol . clef)
450 (break-visibility . ,begin-of-line-visible)
451 (space-alist . ((ambitus . (extra-space . 2.0))
452 (staff-bar . (extra-space . 0.7))
453 (key-cancellation . (minimum-space . 3.5))
454 (key-signature . (minimum-space . 3.5))
455 (time-signature . (minimum-space . 4.2))
456 (first-note . (minimum-fixed-space . 5.0))
457 (next-note . (extra-space . 0.5))
458 (right-edge . (extra-space . 0.5))))
459 (Y-offset . ,ly:staff-symbol-referencer::callback)
460 (meta . ((class . Item)
461 (interfaces . (clef-interface
462 staff-symbol-referencer-interface
464 break-aligned-interface))))))
466 (ClusterSpannerBeacon
468 (Y-extent . ,ly:cluster-beacon::height)
469 (meta . ((class . Item)
470 (interfaces . (rhythmic-grob-interface
471 cluster-beacon-interface))))))
475 (springs-and-rods . ,ly:spanner::set-spacing-rods)
476 (stencil . ,ly:cluster::print)
477 (minimum-length . 0.0)
480 (meta . ((class . Spanner)
481 (interfaces . (cluster-interface))))))
485 (stencil . ,ly:text-interface::print)
486 (after-line-breaking . ,ly:chord-name::after-line-breaking)
490 (meta . ((class . Item)
491 (interfaces . (font-interface
492 rhythmic-grob-interface
499 (stencil . ,ly:text-interface::print)
500 (extra-spacing-width . (+inf.0 . -inf.0))
501 (Y-offset . ,ly:side-position-interface::y-aligned-side)
502 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
505 (staff-padding . 0.5)
506 (script-priority . 200)
507 ;; todo: add X self alignment?
511 (meta . ((class . Item)
512 (interfaces . (text-script-interface
514 side-position-interface
519 (break-align-symbol . custos)
521 (stencil . ,ly:custos::print)
522 (break-visibility . ,end-of-line-visible)
524 (neutral-direction . ,DOWN)
525 (Y-offset . ,ly:staff-symbol-referencer::callback)
527 (first-note . (minimum-fixed-space . 0.0))
528 (right-edge . (extra-space . 0.1))))
529 (meta . ((class . Item)
532 staff-symbol-referencer-interface
534 break-aligned-interface))))))
540 (positioning-done . ,ly:dot-column::calc-positioning-done)
541 (X-extent . ,ly:axis-group-interface::width)
542 (X-offset . ,ly:dot-column::side-position)
543 (meta . ((class . Item)
544 (interfaces . (dot-column-interface
545 axis-group-interface))))))
549 (stencil . ,ly:dots::print)
550 (dot-count . ,dots::calc-dot-count)
551 (staff-position . ,dots::calc-staff-position)
552 (meta . ((class . Item)
553 (interfaces . (font-interface
554 staff-symbol-referencer-interface
559 (stencil . ,ly:percent-repeat-item-interface::double-percent)
562 (font-encoding . fetaMusic)
565 (break-align-symbol . staff-bar)
566 (break-visibility . ,begin-of-line-invisible)
567 (meta . ((class . Item)
568 (interfaces . (font-interface
569 break-aligned-interface
570 percent-repeat-item-interface))))))
572 (DoublePercentRepeatCounter
574 (stencil . ,ly:text-interface::print)
575 (X-offset . ,(ly:make-simple-closure `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::centered-on-y-parent))
576 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self)))))
577 (Y-offset . ,ly:side-position-interface::y-aligned-side)
578 (font-encoding . fetaNumber)
579 (self-alignment-X . 0)
583 (staff-padding . 0.25)
585 (meta . ((class . Item)
586 (interfaces . (side-position-interface
587 self-alignment-interface
588 percent-repeat-item-interface
594 (Y-offset . ,ly:side-position-interface::y-aligned-side)
595 (staff-padding . 0.1)
597 (avoid-slur . outside)
599 (minimum-space . 1.2)
602 (outside-staff-priority . 250)
603 (Y-extent . ,ly:axis-group-interface::height)
604 (X-extent . ,ly:axis-group-interface::width)
605 (meta . ((class . Spanner)
606 (interfaces . (axis-group-interface
608 dynamic-line-spanner-interface
609 side-position-interface))))))
616 (stencil . ,ly:text-interface::print)
617 (direction . ,ly:script-interface::calc-direction)
619 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
620 (self-alignment-X . 0)
621 (Y-offset . ,ly:self-alignment-interface::y-aligned-on-self)
622 (self-alignment-Y . 0)
624 (font-encoding . fetaDynamic)
625 (font-shape . italic)
626 (avoid-slur . around)
627 (extra-spacing-width . (+inf.0 . -inf.0))
628 (outside-staff-priority . 250)
629 (meta . ((class . Item)
630 (interfaces . (font-interface
632 self-alignment-interface
634 script-interface))))))
638 (stencil . ,ly:dynamic-text-spanner::print)
640 ;; rather ugh with NCSB
641 ;; (font-series . bold)
642 (font-shape . italic)
643 (style . dashed-line)
645 ;; need to blend with dynamic texts.
647 (bound-padding . 0.75)
648 (dash-fraction . 0.2)
650 (meta . ((class . Spanner)
651 (interfaces . (font-interface
653 line-spanner-interface
655 dynamic-text-spanner-interface
656 spanner-interface))))))
662 ;; sync with TextScript (?)
665 (avoid-slur . around)
667 (staff-padding . 0.5)
668 (self-alignment-X . 0)
669 (self-alignment-Y . 0)
670 (script-priority . 100)
671 (stencil . ,ly:text-interface::print)
672 (direction . ,ly:script-interface::calc-direction)
673 (text . ,fingering::calc-text)
674 (font-encoding . fetaNumber)
675 (font-size . -5) ; don't overlap when next to heads.
676 (meta . ((class . Item)
677 (interfaces . (finger-interface
679 text-script-interface
681 side-position-interface
682 self-alignment-interface
685 . ((stencil . ,fret-board::calc-stencil)
686 (finger-code . below-string)
687 (meta . ((class . Item)
688 (interfaces . (fret-diagram-interface
696 (zigzag-width . 0.75)
699 (stencil . ,ly:line-spanner::print)
700 (after-line-breaking . ,ly:line-spanner::after-line-breaking)
701 (meta . ((class . Spanner)
702 (interfaces . (line-interface
703 unbreakable-spanner-interface
704 line-spanner-interface))))))
708 (common-shortest-duration . ,grace-spacing::calc-shortest-duration)
709 (spacing-increment . 0.8)
710 (shortest-duration-space . 1.6)
711 (meta . ((class . Spanner)
712 (interfaces . (grace-spacing-interface
714 spacing-options-interface
715 spanner-interface))))))
720 (meta . ((class . Item)
721 (interfaces . (grid-point-interface))))))
725 (X-extent . ,ly:grid-line-interface::width)
726 (stencil . ,ly:grid-line-interface::print)
727 (self-alignment-X . ,CENTER)
728 (X-offset . ,(ly:make-simple-closure
729 `(,+ ,(ly:make-simple-closure
730 (list ly:self-alignment-interface::centered-on-x-parent))
731 ,(ly:make-simple-closure
732 (list ly:self-alignment-interface::x-aligned-on-self)))))
734 (meta . ((class . Item)
735 (interfaces . (self-alignment-interface
736 grid-line-interface))))))
740 (stencil . ,ly:hairpin::print)
741 (springs-and-rods . ,ly:spanner::set-spacing-rods)
742 (after-line-breaking . ,ly:hairpin::after-line-breaking)
743 (grow-direction . ,hairpin::calc-grow-direction)
747 (minimum-length . 2.0)
748 (bound-padding . 1.0)
749 (self-alignment-Y . 0)
750 (Y-offset . ,ly:self-alignment-interface::y-aligned-on-self)
751 (meta . ((class . Spanner)
752 (interfaces . (hairpin-interface
754 self-alignment-interface
756 spanner-interface))))))
761 (stencil . ,ly:horizontal-bracket::print)
762 (Y-offset . ,ly:side-position-interface::y-aligned-side)
763 (connect-to-neighbor . ,ly:tuplet-bracket::calc-connect-to-neighbors)
766 (staff-padding . 0.2)
769 (bracket-flare . (0.5 . 0.5))
770 (meta . ((class . Spanner)
771 (interfaces . (horizontal-bracket-interface
772 side-position-interface
774 spanner-interface))))))
778 (stencil . ,ly:system-start-text::print)
779 (X-offset . ,ly:side-position-interface::x-aligned-side)
781 (self-alignment-Y . ,CENTER)
782 (meta . ((class . Spanner)
783 (interfaces . (system-start-text-interface
784 side-position-interface
790 (stencil . ,ly:text-interface::print)
791 (Y-offset . ,ly:side-position-interface::y-aligned-side)
792 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
795 (self-alignment-X . ,CENTER)
796 (meta . ((class . Item)
797 (interfaces . (system-start-text-interface
798 side-position-interface
803 (stencil . ,ly:key-signature-interface::print)
804 (glyph-name-alist . ,cancellation-glyph-name-alist)
806 (time-signature . (extra-space . 1.25))
807 (staff-bar . (extra-space . 0.6))
808 (key-signature . (extra-space . 0.5))
809 (right-edge . (extra-space . 0.5))
810 (first-note . (fixed-space . 2.5))))
811 (Y-offset . ,ly:staff-symbol-referencer::callback)
812 (break-align-symbol . key-cancellation)
813 (break-visibility . ,begin-of-line-invisible)
815 (meta . ((class . Item)
816 (interfaces . (key-cancellation-interface
817 key-signature-interface
819 break-aligned-interface))))))
822 (stencil . ,ly:key-signature-interface::print)
823 (avoid-slur . inside)
824 (glyph-name-alist . ,standard-alteration-glyph-name-alist)
826 (time-signature . (extra-space . 1.15))
827 (staff-bar . (extra-space . 1.1))
828 (right-edge . (extra-space . 0.5))
829 (first-note . (fixed-space . 2.5))))
830 (Y-offset . ,ly:staff-symbol-referencer::callback)
831 (break-align-symbol . key-signature)
832 (break-visibility . ,begin-of-line-visible)
834 (meta . ((class . Item)
835 (interfaces . (key-signature-interface
837 break-aligned-interface))))))
842 (stencil . ,ly:tie::print)
843 (control-points . ,ly:semi-tie::calc-control-points)
844 (direction . ,ly:tie::calc-direction)
845 (details . ((ratio . 0.333)
846 (height-limit . 1.0)))
847 (head-direction . ,LEFT)
849 (meta . ((class . Item)
850 (interfaces . (semi-tie-interface))
854 (LaissezVibrerTieColumn
858 (head-direction . ,LEFT)
859 (positioning-done . ,ly:semi-tie-column::calc-positioning-done)
860 (meta . ((class . Item)
861 (interfaces . (semi-tie-column-interface))
867 (springs-and-rods . ,ly:ledger-line-spanner::set-spacing-rods)
868 (stencil . ,ly:ledger-line-spanner::print)
871 (minimum-length-fraction . 0.25)
872 (length-fraction . 0.25)
874 (meta . ((class . Spanner)
875 (interfaces . (ledger-line-spanner-interface))))))
879 (break-align-symbol . left-edge)
882 (break-visibility . ,center-invisible)
884 (custos . (extra-space . 0.0))
885 (ambitus . (extra-space . 2.0))
886 (time-signature . (extra-space . 1.0))
887 (staff-bar . (extra-space . 0.0))
888 (breathing-sign . (minimum-space . 0.0))
889 (clef . (extra-space . 0.8))
890 (first-note . (fixed-space . 2.0))
891 (right-edge . (extra-space . 0.0))
892 (key-signature . (extra-space . 0.0))
893 (key-cancellation . (extra-space . 0.0))
895 (meta . ((class . Item)
896 (interfaces . (break-aligned-interface))))))
900 ;; ugh. A ligature bracket is totally different from
905 (edge-height . (0.7 . 0.7))
906 (shorten-pair . (-0.2 . -0.2))
908 (positions . ,ly:tuplet-bracket::calc-positions)
909 (stencil . ,ly:tuplet-bracket::print)
910 (staff-padding . 0.25)
911 (connect-to-neighbor . ,ly:tuplet-bracket::calc-connect-to-neighbors)
912 (control-points . ,ly:tuplet-bracket::calc-control-points)
913 (meta . ((class . Spanner)
914 (interfaces . (line-interface
915 tuplet-bracket-interface))))))
920 (stencil . ,ly:lyric-extender::print)
921 (thickness . 0.8) ; line-thickness
922 (minimum-length . 1.5)
924 (meta . ((class . Spanner)
925 (interfaces . (lyric-interface
926 lyric-extender-interface))))))
934 (minimum-length . 0.3)
935 (minimum-distance . 0.1)
937 (springs-and-rods . ,ly:lyric-hyphen::set-spacing-rods)
938 (stencil . ,ly:lyric-hyphen::print)
940 (meta . ((class . Spanner)
941 (interfaces . (lyric-interface
943 lyric-hyphen-interface
944 spanner-interface))))))
947 . ((minimum-distance . 0.45)
948 (springs-and-rods . ,ly:lyric-hyphen::set-spacing-rods)
952 (meta . ((class . Spanner)
953 (interfaces . (spanner-interface
954 lyric-hyphen-interface spacing-interface))
960 (stencil . ,lyric-text::print)
961 (text . ,(grob::calc-property-by-copy 'text))
962 (X-offset . ,ly:self-alignment-interface::aligned-on-x-parent)
963 (self-alignment-X . 0)
965 (font-series . bold-narrow)
967 (meta . ((class . Item)
968 (interfaces . (rhythmic-grob-interface
969 lyric-syllable-interface
970 self-alignment-interface
977 (Y-offset . ,ly:side-position-interface::y-aligned-side)
979 (stencil . ,ly:measure-grouping::print)
985 (meta . ((class . Spanner)
986 (interfaces . (side-position-interface
987 measure-grouping-interface))))))
991 (neutral-direction . ,DOWN)
992 (meta . ((class . Item)
993 (interfaces . (melody-spanner-interface spacing-interface))))))
998 (stencil . ,ly:mensural-ligature::print)
999 (meta . ((class . Spanner)
1000 (interfaces . (mensural-ligature-interface
1001 font-interface))))))
1005 (stencil . ,ly:text-interface::print)
1006 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1010 (outside-staff-priority . 1000)
1011 (meta . ((class . Item)
1012 (interfaces . (text-interface
1013 side-position-interface
1015 metronome-mark-interface))))))
1020 (stencil . ,ly:multi-measure-rest::print)
1021 (springs-and-rods . ,ly:multi-measure-rest::set-spacing-rods)
1022 (Y-offset . ,ly:staff-symbol-referencer::callback)
1023 (staff-position . 0)
1025 (thick-thickness . 6.6)
1026 (hair-thickness . 2.0)
1028 (meta . ((class . Spanner)
1029 (interfaces . (multi-measure-rest-interface
1030 multi-measure-interface
1033 staff-symbol-referencer-interface))))))
1036 (MultiMeasureRestNumber
1038 (bound-padding . 2.0)
1039 (springs-and-rods . ,ly:multi-measure-rest::set-text-rods)
1040 (stencil . ,ly:text-interface::print)
1041 (X-offset . ,(ly:make-simple-closure
1042 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self))
1043 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-centered-on-y-parent)))))
1044 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1046 (self-alignment-X . 0)
1049 (staff-padding . 0.4)
1050 (font-encoding . fetaNumber)
1051 (meta . ((class . Spanner)
1052 (interfaces . (side-position-interface
1053 multi-measure-interface
1054 self-alignment-interface
1059 (MultiMeasureRestText
1061 (stencil . ,ly:text-interface::print)
1062 (X-offset . ,(ly:make-simple-closure
1063 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-centered-on-y-parent))
1064 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self)))))
1066 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1067 (self-alignment-X . 0)
1070 (staff-padding . 0.25)
1071 (meta . ((class . Spanner)
1072 (interfaces . (side-position-interface
1073 multi-measure-interface
1074 self-alignment-interface
1076 text-interface))))))
1078 (NonMusicalPaperColumn
1080 (allow-loose-spacing . #t)
1082 (before-line-breaking . ,ly:paper-column::before-line-breaking)
1083 (X-extent . ,ly:axis-group-interface::width)
1084 ;; (stencil . ,ly:paper-column::print)
1087 (line-break-permission . allow)
1088 (page-break-permission . allow)
1090 ;; debugging stuff: print column number.
1091 ;; (font-size . -6) (font-name . "sans") (Y-extent . #f)
1093 (meta . ((class . Paper_column)
1094 (interfaces . (paper-column-interface
1095 axis-group-interface
1096 spaceable-grob-interface))))))
1101 (X-extent . ,ly:axis-group-interface::width)
1102 (Y-extent . ,ly:axis-group-interface::height)
1103 (positioning-done . ,ly:note-collision-interface::calc-positioning-done)
1104 (meta . ((class . Item)
1105 (interfaces . (note-collision-interface
1106 axis-group-interface))))))
1111 (X-extent . ,ly:axis-group-interface::width)
1112 (Y-extent . ,ly:axis-group-interface::height)
1113 (meta . ((class . Item)
1114 (interfaces . (axis-group-interface
1115 note-column-interface))))))
1119 (stencil . ,ly:note-head::print)
1120 (duration-log . ,note-head::calc-duration-log)
1121 (stem-attachment . ,ly:note-head::calc-stem-attachment)
1122 (glyph-name . ,note-head::calc-glyph-name)
1123 (Y-offset . ,ly:staff-symbol-referencer::callback)
1124 (X-offset . ,ly:note-head::stem-x-shift)
1125 (meta . ((class . Item)
1126 (interfaces . (rhythmic-grob-interface
1127 rhythmic-head-interface
1131 staff-symbol-referencer-interface))))))
1135 (stem-spacing-correction . 0.5)
1136 (same-direction-correction . 0.25)
1137 ;; Changed this from 0.75.
1138 ;; If you ever change this back, please document! --hwn
1139 (knee-spacing-correction . 1.0)
1140 (meta . ((class . Item)
1141 (interfaces . (spacing-interface
1142 note-spacing-interface))))))
1146 (stencil . ,ly:text-interface::print)
1147 (meta . ((class . Item)
1148 (interfaces . (note-name-interface
1150 font-interface))))))
1154 (self-alignment-X . 0)
1155 (break-visibility . ,begin-of-line-visible)
1156 (X-offset . ,(ly:make-simple-closure
1157 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self))
1158 ,(ly:make-simple-closure (list ly:self-alignment-interface::centered-on-x-parent)))))
1160 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1161 (stencil . ,ly:text-interface::print)
1162 (font-shape . italic)
1163 (staff-padding . 0.2)
1165 (meta . ((class . Item)
1166 (interfaces . (text-interface
1167 self-alignment-interface
1168 side-position-interface
1169 font-interface))))))
1173 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1174 (stencil . ,ly:ottava-bracket::print)
1175 (font-shape . italic)
1176 (shorten-pair . (0.0 . -0.6))
1177 (staff-padding . 1.0)
1179 (minimum-length . 1.0)
1180 (dash-fraction . 0.3)
1181 (edge-height . (0 . 1.2))
1183 (outside-staff-priority . 400)
1184 (meta . ((class . Spanner)
1185 (interfaces . (ottava-bracket-interface
1186 horizontal-bracket-interface
1188 side-position-interface
1190 text-interface))))))
1195 (allow-loose-spacing . #t)
1196 (before-line-breaking . ,ly:paper-column::before-line-breaking)
1197 ;; (stencil . ,ly:paper-column::print)
1198 (X-extent . ,ly:axis-group-interface::width)
1201 ;; (font-size . -6) (font-name . "sans") (Y-extent . #f)
1202 (meta . ((class . Paper_column)
1203 (interfaces . (paper-column-interface
1204 axis-group-interface
1205 spaceable-grob-interface))))))
1208 . ((stencil . ,parentheses-item::print)
1209 (stencils . ,parentheses-item::calc-parenthesis-stencils)
1212 (meta . ((class . Item)
1213 (interfaces . (parentheses-interface font-interface))))
1216 (HarmonicParenthesesItem
1217 . ((stencil . ,parentheses-item::print)
1219 (stencils . ,parentheses-item::calc-angled-bracket-stencils)
1220 (meta . ((class . Item)
1221 (interfaces . (parentheses-interface font-interface))))
1225 . ((details . ,default-slur-details)
1226 (control-points . ,ly:slur::calc-control-points)
1227 (direction . ,ly:slur::calc-direction)
1228 (springs-and-rods . ,ly:spanner::set-spacing-rods)
1229 (Y-extent . ,ly:slur::height)
1230 (stencil . ,ly:slur::print)
1232 (minimum-length . 1.5)
1233 (height-limit . 2.0)
1235 (meta . ((class . Spanner)
1236 (interfaces . (slur-interface))))))
1242 (springs-and-rods . ,ly:multi-measure-rest::set-spacing-rods)
1243 (stencil . ,ly:multi-measure-rest::percent)
1246 (font-encoding . fetaMusic)
1247 (meta . ((class . Spanner)
1248 (interfaces . (multi-measure-rest-interface
1250 percent-repeat-item-interface))))))
1251 (PercentRepeatCounter
1253 (stencil . ,ly:text-interface::print)
1254 (X-offset . ,(ly:make-simple-closure
1255 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-centered-on-y-parent))
1256 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self)))))
1257 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1258 (self-alignment-X . 0)
1261 (staff-padding . 0.25)
1263 (font-encoding . fetaNumber)
1264 (meta . ((class . Spanner)
1265 (interfaces . (side-position-interface
1266 self-alignment-interface
1267 percent-repeat-item-interface
1269 text-interface))))))
1271 ;; an example of a text spanner
1274 (stencil . ,ly:piano-pedal-bracket::print)
1276 (bound-padding . 1.0)
1278 (bracket-flare . (0.5 . 0.5))
1279 (edge-height . (1.0 . 1.0))
1280 (shorten-pair . (0.0 . 0.0))
1282 (meta . ((class . Spanner)
1283 (interfaces . (line-interface
1284 piano-pedal-interface
1285 piano-pedal-bracket-interface))))))
1289 (stencil . ,ly:text-interface::print)
1290 (X-offset . ,(ly:make-simple-closure
1292 ,(ly:make-simple-closure
1293 (list ly:break-alignable-interface::self-align-callback))
1294 ,(ly:make-simple-closure
1295 (list ly:self-alignment-interface::x-aligned-on-self)))))
1297 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1298 (self-alignment-X . 0)
1303 (break-visibility . ,end-of-line-invisible)
1304 (break-align-symbol . clef)
1306 (outside-staff-priority . 1500)
1307 (meta . ((class . Item)
1308 (interfaces . (text-interface
1309 side-position-interface
1310 break-alignable-interface
1313 self-alignment-interface))))))
1317 (stencil . ,ly:percent-repeat-item-interface::beat-slash)
1320 (meta . ((class . Item)
1321 (interfaces . (rhythmic-grob-interface
1322 percent-repeat-item-interface))))))
1326 (stencil . ,ly:tie::print)
1327 (control-points . ,ly:semi-tie::calc-control-points)
1328 (direction . ,ly:tie::calc-direction)
1329 (details . ((ratio . 0.333)
1330 (height-limit . 1.0)))
1332 (head-direction . ,RIGHT)
1333 (meta . ((class . Item)
1334 (interfaces . (semi-tie-interface))
1342 (direction . ,ly:tie::calc-direction)
1343 (head-direction . ,RIGHT)
1345 (positioning-done . ,ly:semi-tie-column::calc-positioning-done)
1346 (meta . ((class . Item)
1347 (interfaces . (semi-tie-column-interface))
1353 (stencil . ,ly:rest::print)
1354 (duration-log . ,stem::calc-duration-log)
1355 (X-extent . ,ly:rest::width)
1356 (Y-extent . ,ly:rest::height)
1357 (Y-offset . ,ly:rest::y-offset-callback)
1358 (minimum-distance . 0.25)
1359 (meta . ((class . Item)
1360 (interfaces . (font-interface
1361 rhythmic-head-interface
1362 rhythmic-grob-interface
1363 staff-symbol-referencer-interface
1364 rest-interface))))))
1368 (minimum-distance . 0.75)
1369 (positioning-done . ,ly:rest-collision::calc-positioning-done)
1370 (meta . ((class . Item)
1371 (interfaces . (rest-collision-interface))))))
1375 ;; don't set direction here: it breaks staccato.
1377 ;; padding set in script definitions.
1378 (staff-padding . 0.25)
1379 (X-offset . ,ly:self-alignment-interface::centered-on-x-parent)
1380 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1383 (stencil . ,ly:script-interface::print)
1384 (direction . ,ly:script-interface::calc-direction)
1385 (font-encoding . fetaMusic)
1386 (meta . ((class . Item)
1387 (interfaces . (script-interface
1388 side-position-interface
1389 font-interface))))))
1393 (before-line-breaking . ,ly:script-column::before-line-breaking)
1394 (meta . ((class . Item)
1395 (interfaces . (script-column-interface))))))
1398 (before-line-breaking . ,ly:script-column::row-before-line-breaking)
1399 (meta . ((class . Item)
1400 (interfaces . (script-column-interface))))))
1404 (avoid-slur . inside)
1405 (X-extent . ,ly:axis-group-interface::width)
1406 (Y-extent . ,ly:axis-group-interface::height)
1407 (skylines . ,ly:separation-item::calc-skylines)
1408 (meta . ((class . Item)
1409 (interfaces . (spacing-interface
1410 separation-item-interface))))))
1412 (SeparatingGroupSpanner
1414 (springs-and-rods . ,ly:separating-group-spanner::set-spacing-rods)
1415 (meta . ((class . Spanner)
1416 (interfaces . (only-prebreak-interface
1418 separating-group-spanner-interface))))))
1421 . ((details . ,default-slur-details)
1422 (control-points . ,ly:slur::calc-control-points)
1423 (direction . ,ly:slur::calc-direction)
1424 (springs-and-rods . ,ly:spanner::set-spacing-rods)
1425 (Y-extent . ,ly:slur::height)
1426 (stencil . ,ly:slur::print)
1428 (line-thickness . 0.8)
1429 (minimum-length . 1.5)
1430 (height-limit . 2.0)
1432 (avoid-slur . inside)
1433 (meta . ((class . Spanner)
1434 (interfaces . (slur-interface))))))
1438 (stencil . ,ly:text-interface::print)
1439 (direction . ,RIGHT)
1440 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1441 (extra-spacing-width . (+inf.0 . -inf.0))
1442 (padding . 0.0) ;; padding relative to SostenutoPedalLineSpanner
1443 (font-shape . italic)
1444 (self-alignment-X . 0)
1445 (meta . ((class . Item)
1446 (interfaces . (text-interface
1447 self-alignment-interface
1448 piano-pedal-script-interface
1449 font-interface))))))
1451 (SostenutoPedalLineSpanner
1454 (Y-extent . ,ly:axis-group-interface::height)
1455 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1457 (staff-padding . 1.0)
1459 (minimum-space . 1.0)
1461 (meta . ((class . Spanner)
1462 (interfaces . (piano-pedal-interface
1463 axis-group-interface
1464 side-position-interface))))))
1467 (springs-and-rods . ,ly:spacing-spanner::set-springs)
1468 (common-shortest-duration . ,ly:spacing-spanner::calc-common-shortest-duration)
1469 (average-spacing-wishes . #t)
1470 (shortest-duration-space . 2.0)
1471 (spacing-increment . 1.2)
1473 (base-shortest-duration . ,(ly:make-moment 3 16))
1474 (meta . ((class . Spanner)
1475 (interfaces . (spacing-interface
1476 spacing-options-interface
1477 spacing-spanner-interface))))))
1481 (break-align-symbol . staff-bar)
1485 (stencil . ,ly:span-bar::print)
1486 (bar-size . ,ly:span-bar::calc-bar-size)
1487 (X-extent . ,ly:span-bar::width)
1488 (glyph-name . ,ly:span-bar::calc-glyph-name)
1489 (before-line-breaking . ,ly:span-bar::before-line-breaking)
1494 ;; Ross. page 151 lists other values, we opt for a leaner look
1498 (hair-thickness . 1.6)
1499 (thick-thickness . 6.0)
1500 (meta . ((class . Item)
1501 (interfaces . (span-bar-interface
1503 bar-line-interface))))))
1507 (stencil . ,ly:text-interface::print)
1508 (font-series . bold)
1510 (X-offset . ,ly:side-position-interface::x-aligned-side)
1513 (meta . ((class . Item)
1514 (interfaces . (side-position-interface
1515 stanza-number-interface
1517 font-interface))))))
1523 (stem-spacing-correction . 0.4)
1524 (meta . ((class . Item)
1525 (interfaces . (spacing-interface
1526 staff-spacing-interface))))))
1531 (Y-extent . ,ly:staff-symbol::height)
1532 (stencil . ,ly:staff-symbol::print)
1534 (ledger-line-thickness . (1.0 . 0.1))
1536 (meta . ((class . Spanner)
1537 (interfaces . (staff-symbol-interface))))))
1541 (direction . ,ly:stem::calc-direction)
1542 (duration-log . ,stem::calc-duration-log)
1543 (default-direction . ,ly:stem::calc-default-direction)
1544 (stem-end-position . ,ly:stem::calc-stem-end-position)
1546 (neutral-direction . ,DOWN)
1547 (stem-info . ,ly:stem::calc-stem-info)
1548 (positioning-done . ,ly:stem::calc-positioning-done)
1549 (stencil . ,ly:stem::print)
1550 (X-extent . ,ly:stem::width)
1551 (Y-extent . ,ly:stem::height)
1552 (length . ,ly:stem::calc-length)
1556 ;; 3.5 (or 3 measured from note head) is standard length
1557 ;; 32nd, 64th flagged stems should be longer
1558 (lengths . (3.5 3.5 3.5 4.5 5.0))
1560 ;; FIXME. 3.5 yields too long beams (according to Ross and
1561 ;; looking at Baerenreiter examples) for a number of common
1562 ;; boundary cases. Subtracting half a beam thickness fixes
1563 ;; this, but the bug may well be somewhere else.
1565 ;; FIXME this should come from 'lengths
1566 (beamed-lengths . (3.26 3.5 3.6))
1568 ;; The 'normal' minima
1569 (beamed-minimum-free-lengths . (1.83 1.5 1.25))
1570 ;(beamed-minimum-free-lengths . (2.0 1.83 1.25))
1572 ;; The 'extreme case' minima
1573 (beamed-extreme-minimum-free-lengths . (2.0 1.25))
1575 ;; Stems in unnatural (forced) direction should be shortened by
1576 ;; one staff space, according to [Roush & Gourlay].
1577 ;; Flagged stems we shorten only half a staff space.
1578 (stem-shorten . (1.0 0.5))
1582 ;; We use the normal minima as minimum for the ideal lengths,
1583 ;; and the extreme minima as abolute minimum length.
1585 (X-offset . ,ly:stem::offset-callback)
1586 (Y-offset . ,ly:staff-symbol-referencer::callback)
1587 (meta . ((class . Item)
1588 (interfaces . (stem-interface
1589 font-interface))))))
1593 (Y-extent . ,ly:stem-tremolo::height)
1594 (stencil . ,ly:stem-tremolo::print)
1596 (slope . ,ly:stem-tremolo::calc-slope)
1597 (beam-width . ,ly:stem-tremolo::calc-width) ; staff-space
1598 (style . ,ly:stem-tremolo::calc-style)
1599 (beam-thickness . 0.48) ; staff-space
1600 (meta . ((class . Item)
1601 (interfaces . (stem-tremolo-interface))))))
1605 (stencil . ,print-circled-text-callback)
1606 (text . ,string-number::calc-text)
1608 (staff-padding . 0.5)
1609 (self-alignment-X . 0)
1610 (self-alignment-Y . 0)
1611 (script-priority . 100)
1612 (font-encoding . fetaNumber)
1613 (font-size . -5) ; don't overlap when next to heads.
1614 (meta . ((class . Item)
1615 (interfaces . (string-number-interface
1617 text-script-interface
1619 side-position-interface
1620 self-alignment-interface
1625 (stencil . ,ly:text-interface::print)
1626 (text . ,stroke-finger::calc-text)
1627 (digit-names . #("p" "i" "m" "a" "x"))
1629 (staff-padding . 0.5)
1630 (self-alignment-X . 0)
1631 (self-alignment-Y . 0)
1632 (script-priority . 100)
1633 (font-shape . italic)
1634 (font-size . -4) ; don't overlap when next to heads.
1635 (meta . ((class . Item)
1636 (interfaces . (stroke-finger-interface
1638 text-script-interface
1640 side-position-interface
1641 self-alignment-interface
1647 (extra-spacing-width . (+inf.0 . -inf.0))
1648 (stencil . ,ly:sustain-pedal::print)
1649 (self-alignment-X . 0)
1650 (direction . ,RIGHT)
1651 (padding . 0.0) ;; padding relative to SustainPedalLineSpanner
1652 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1653 (meta . ((class . Item)
1654 (interfaces . (piano-pedal-interface
1655 text-spanner-interface
1656 line-spanner-interface
1658 self-alignment-interface
1659 piano-pedal-script-interface
1660 font-interface))))))
1662 (SustainPedalLineSpanner
1665 (Y-extent . ,ly:axis-group-interface::height)
1666 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1669 (staff-padding . 1.2)
1670 (minimum-space . 1.0)
1672 (meta . ((class . Spanner)
1673 (interfaces . (piano-pedal-interface
1674 axis-group-interface
1675 side-position-interface))))))
1680 (X-extent . ,ly:axis-group-interface::width)
1681 (Y-extent . ,ly:axis-group-interface::height)
1682 (skylines . ,ly:axis-group-interface::calc-skylines)
1683 (skyline-horizontal-padding . 1.0)
1684 (meta . ((class . System)
1685 (interfaces . (system-interface
1686 axis-group-interface))))))
1692 (stencil . ,ly:system-start-delimiter::print)
1693 (collapse-height . 5.0)
1694 (X-offset . ,ly:side-position-interface::x-aligned-side)
1696 (font-encoding . fetaBraces)
1698 (meta . ((class . Spanner)
1699 (interfaces . (system-start-delimiter-interface
1700 side-position-interface
1701 font-interface))))))
1707 (X-offset . ,ly:side-position-interface::x-aligned-side)
1709 (stencil . ,ly:system-start-delimiter::print)
1710 (style . line-bracket)
1712 (meta . ((class . Spanner)
1713 (interfaces . (font-interface
1714 side-position-interface
1715 system-start-delimiter-interface))))))
1720 (X-offset . ,ly:side-position-interface::x-aligned-side)
1722 (stencil . ,ly:system-start-delimiter::print)
1724 (collapse-height . 5.0)
1726 (meta . ((class . Spanner)
1727 (interfaces . (font-interface
1728 side-position-interface
1729 system-start-delimiter-interface))))))
1736 (padding . -0.1) ;; bar must cover rounded ending of staff line.
1737 (X-offset . ,ly:side-position-interface::x-aligned-side)
1741 (stencil . ,ly:system-start-delimiter::print)
1742 (meta . ((class . Spanner)
1743 (interfaces . (side-position-interface
1744 system-start-delimiter-interface))))))
1748 (stencil . ,ly:text-interface::print)
1749 (Y-offset . ,ly:staff-symbol-referencer::callback)
1750 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1753 (stem-attachment . (0.0 . 1.35))
1754 (font-series . bold)
1755 (meta . ((class . Item)
1757 . (rhythmic-head-interface
1758 font-interface rhythmic-grob-interface
1760 staff-symbol-referencer-interface
1761 text-interface))))))
1765 (extra-spacing-width . (+inf.0 . -inf.0))
1766 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1767 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1771 ;; sync with Fingering ?
1773 (staff-padding . 0.5)
1775 (stencil . ,ly:text-interface::print)
1776 (direction . ,ly:script-interface::calc-direction)
1778 (outside-staff-priority . 450)
1779 (avoid-slur . around)
1780 (slur-padding . 0.5)
1781 (script-priority . 200)
1782 ;; todo: add X self alignment?
1783 (meta . ((class . Item)
1784 (interfaces . (text-script-interface
1786 side-position-interface
1787 font-interface))))))
1791 (stencil . ,ly:text-spanner::print)
1792 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1793 (font-shape . italic)
1794 (style . dashed-line)
1795 (staff-padding . 0.8)
1796 (dash-fraction . 0.2)
1800 (outside-staff-priority . 350)
1801 (meta . ((class . Spanner)
1802 (interfaces . (text-spanner-interface
1803 line-spanner-interface
1804 side-position-interface
1805 font-interface))))))
1809 (control-points . ,ly:tie::calc-control-points)
1810 (springs-and-rods . ,ly:spanner::set-spacing-rods)
1811 (avoid-slur . inside)
1812 (direction . ,ly:tie::calc-direction)
1813 (stencil . ,ly:tie::print)
1816 ;; for a full list, see tie-details.cc
1818 (center-staff-line-clearance . 0.6)
1819 (tip-staff-line-clearance . 0.45)
1820 (note-head-gap . 0.2)
1822 (height-limit . 1.0)
1823 (horizontal-distance-penalty-factor . 10)
1824 (min-length-penalty-factor . 20)
1825 (tie-tie-collision-distance . 0.45)
1826 (tie-tie-collision-penalty . 25.0)
1827 (intra-space-threshold . 1.25)
1828 (outer-tie-vertical-distance-symmetry-penalty-factor . 10)
1829 (outer-tie-length-symmetry-penalty-factor . 10)
1830 (outer-tie-vertical-gap . 0.25)
1831 (multi-tie-region-size . 1)
1832 (between-length-limit . 1.0)))
1835 (line-thickness . 0.8)
1836 (meta . ((class . Spanner)
1837 (interfaces . (tie-interface))))
1842 (positioning-done . ,ly:tie-column::calc-positioning-done)
1843 (before-line-breaking . ,ly:tie-column::before-line-breaking)
1846 (meta . ((class . Spanner)
1847 (interfaces . (tie-column-interface))))))
1851 (stencil . ,ly:time-signature::print)
1852 (break-align-symbol . time-signature)
1853 (break-visibility . ,all-visible)
1854 (avoid-slur . inside)
1856 (first-note . (fixed-space . 2.0))
1857 (right-edge . (extra-space . 0.5))
1858 (staff-bar . (minimum-space . 2.0))))
1861 (meta . ((class . Item)
1862 (interfaces . (time-signature-interface
1863 break-aligned-interface
1864 font-interface))))))
1868 (stencil . ,ly:dynamic-text-spanner::print)
1869 (edge-text . ,(cons (make-musicglyph-markup "scripts.trill")
1872 (staff-padding . 1.0)
1875 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1877 (outside-staff-priority . 50)
1878 (meta . ((class . Spanner)
1879 (interfaces . (text-spanner-interface
1880 line-spanner-interface
1881 side-position-interface
1882 font-interface))))))
1884 (TrillPitchAccidental
1885 . ((X-offset . ,ly:side-position-interface::x-aligned-side)
1890 (stencil . ,ly:accidental-interface::print)
1891 (glyph-name-alist . ,standard-alteration-glyph-name-alist)
1892 (meta . ((class . Item)
1893 (interfaces . (trill-pitch-accidental-interface
1894 accidental-interface
1895 side-position-interface
1896 font-interface))))))
1899 . ((X-offset . ,ly:side-position-interface::x-aligned-side)
1902 (stencil . ,parenthesize-elements)
1903 (stencils . ,parentheses-item::calc-parenthesis-stencils)
1904 (direction . ,RIGHT)
1907 (meta . ((class . Item)
1908 (interfaces . (side-position-interface
1909 parentheses-interface
1911 rhythmic-head-interface
1913 axis-group-interface))))))
1917 (stencil . ,ly:note-head::print)
1919 (Y-offset . ,ly:staff-symbol-referencer::callback)
1921 (meta . ((class . Item)
1922 (interfaces . (rhythmic-head-interface
1924 pitched-trill-interface
1926 staff-symbol-referencer-interface))))))
1932 (edge-height . (0.7 . 0.7))
1933 (shorten-pair . (-0.2 . -0.2))
1934 (staff-padding . 0.25)
1935 (direction . ,ly:tuplet-bracket::calc-direction)
1936 (positions . ,ly:tuplet-bracket::calc-positions)
1937 (connect-to-neighbor . ,ly:tuplet-bracket::calc-connect-to-neighbors)
1938 (control-points . ,ly:tuplet-bracket::calc-control-points)
1939 (stencil . ,ly:tuplet-bracket::print)
1941 (meta . ((class . Spanner)
1942 (interfaces . (line-interface
1943 tuplet-bracket-interface))))))
1947 (stencil . ,ly:tuplet-number::print)
1948 (text . ,tuplet-number::calc-denominator-text)
1949 (font-shape . italic)
1951 (avoid-slur . inside)
1952 (meta . ((class . Spanner)
1953 (interfaces . (text-interface tuplet-number-interface
1954 font-interface))))))
1958 (stencil . ,ly:text-interface::print)
1959 (font-shape . italic)
1960 (extra-spacing-width . (+inf.0 . -inf.0))
1961 (self-alignment-X . 0)
1962 (direction . ,RIGHT)
1963 (padding . 0.0) ;; padding relative to UnaCordaPedalLineSpanner
1964 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1965 (meta . ((class . Item)
1966 (interfaces . (text-interface
1967 piano-pedal-script-interface
1968 self-alignment-interface
1969 font-interface))))))
1971 (UnaCordaPedalLineSpanner
1974 (Y-extent . ,ly:axis-group-interface::height)
1975 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1978 (staff-padding . 1.2)
1979 (minimum-space . 1.0)
1981 (meta . ((class . Spanner)
1982 (interfaces . (piano-pedal-interface
1983 axis-group-interface
1984 side-position-interface))))))
1990 (stencil . ,ly:vaticana-ligature::print)
1991 (meta . ((class . Spanner)
1992 (interfaces . (vaticana-ligature-interface
1993 font-interface))))))
1998 (positioning-done . ,ly:align-interface::calc-positioning-done)
1999 (after-line-breaking . ,ly:align-interface::stretch-after-break)
2000 (Y-extent . ,ly:axis-group-interface::height)
2001 (X-extent . ,ly:axis-group-interface::width)
2004 (skylines . ,ly:axis-group-interface::combine-skylines)
2005 (meta . ((class . Spanner)
2006 (object-callbacks . ((Y-common . ,ly:axis-group-interface::calc-y-common)))
2007 (interfaces . (align-interface
2008 axis-group-interface))))))
2012 (Y-offset . ,ly:hara-kiri-group-spanner::force-hara-kiri-callback)
2013 (Y-extent . ,ly:hara-kiri-group-spanner::y-extent)
2014 (X-extent . ,ly:axis-group-interface::width)
2015 (skylines . ,ly:axis-group-interface::calc-skylines);
2016 (meta . ((class . Spanner)
2017 (object-callbacks . ((X-common . ,ly:axis-group-interface::calc-x-common)))
2018 (interfaces . (axis-group-interface
2019 hara-kiri-group-spanner-interface
2020 vertically-spaceable-interface))))))
2025 (stencil . ,ly:volta-bracket-interface::print)
2028 (font-encoding . fetaNumber)
2029 (Y-offset . ,ly:side-position-interface::y-aligned-side)
2031 (thickness . 1.6) ;; line-thickness
2032 (edge-height . (2.0 . 2.0)) ;; staff-space;
2035 (outside-staff-priority . 100)
2036 (meta . ((class . Spanner)
2037 (interfaces . (volta-bracket-interface
2038 horizontal-bracket-interface
2041 side-position-interface
2053 (stencil . ,ly:line-spanner::print)
2054 (after-line-breaking . ,ly:line-spanner::after-line-breaking)
2055 (meta . ((class . Spanner)
2056 (interfaces . (line-spanner-interface
2062 (define (completize-grob-entry x)
2063 "Transplant assoc key into 'name entry of 'meta of X. Set interfaces for Item, Spanner etc.
2065 ;; (display (car x))
2067 (let* ((name-sym (car x))
2068 (grob-entry (cdr x))
2069 (meta-entry (cdr (assoc 'meta grob-entry)))
2070 (class (cdr (assoc 'class meta-entry)))
2072 (cdr (assoc 'interfaces meta-entry))))
2076 (set! ifaces-entry (cons 'item-interface ifaces-entry)))
2077 ((eq? 'Spanner class)
2078 (set! ifaces-entry (cons 'spanner-interface ifaces-entry)))
2079 ((eq? 'Paper_column class)
2080 (set! ifaces-entry (cons 'item-interface
2081 (cons 'paper-column-interface ifaces-entry))))
2082 ((eq? 'System class)
2083 (set! ifaces-entry (cons 'system-interface
2084 (cons 'spanner-interface ifaces-entry))))
2086 (ly:warning "Unknown class ~a" class)))
2088 (set! ifaces-entry (uniq-list (sort ifaces-entry symbol<?)))
2089 (set! ifaces-entry (cons 'grob-interface ifaces-entry))
2091 (set! meta-entry (assoc-set! meta-entry 'name name-sym))
2092 (set! meta-entry (assoc-set! meta-entry 'interfaces
2094 (set! grob-entry (assoc-set! grob-entry 'meta meta-entry))
2095 (cons name-sym grob-entry)))
2097 (set! all-grob-descriptions (map completize-grob-entry all-grob-descriptions))
2099 ;; (display (map pair? all-grob-descriptions))
2101 ;; make sure that \property Foo.Bar =\turnOff doesn't complain
2104 ;; (display (car x)) (newline)
2106 (set-object-property! (car x) 'translation-type? list?)
2107 (set-object-property! (car x) 'is-grob? #t))
2108 all-grob-descriptions)
2110 (set! all-grob-descriptions (sort all-grob-descriptions alist<?))
2112 (define pure-print-callbacks
2116 ly:accidental-interface::print
2119 ly:text-interface::print
2120 ly:script-interface::print))
2122 ;; ly:grob::stencil-extent is safe iff the print callback is safe too
2123 (define (pure-stencil-height grob start stop)
2124 (let ((sten (ly:grob-property-data grob 'stencil)))
2127 (memq sten pure-print-callbacks))
2128 (ly:grob::stencil-height grob)
2131 (define pure-conversions-alist
2133 `(,ly:slur::outside-slur-callback . ,ly:slur::pure-outside-slur-callback)
2134 `(,ly:stem::height . ,ly:stem::pure-height)
2135 `(,ly:rest::height . ,ly:rest::pure-height)
2136 `(,ly:grob::stencil-height . ,pure-stencil-height)
2137 `(,ly:side-position-interface::y-aligned-side . ,ly:side-position-interface::pure-y-aligned-side)
2138 `(,ly:axis-group-interface::height . ,ly:axis-group-interface::pure-height)
2139 `(,ly:hara-kiri-group-spanner::y-extent . ,ly:hara-kiri-group-spanner::pure-height)
2140 `(,ly:slur::height . ,ly:slur::pure-height)
2141 `(,ly:side-position-interface::y-aligned-side . ,ly:side-position-interface::pure-y-aligned-side)))
2143 (define pure-functions
2145 ly:staff-symbol-referencer::callback
2146 ly:staff-symbol::height))
2148 (define-public (pure-relevant? grob)
2149 (let ((extent-callback (ly:grob-property-data grob 'Y-extent)))
2152 (pair? extent-callback)
2153 (memq extent-callback pure-functions)
2155 (pair? (assq extent-callback pure-conversions-alist))
2158 (not (eq? extent-callback ly:grob::stencil-height))
2159 (memq (ly:grob-property-data grob 'stencil) pure-print-callbacks)
2160 (ly:stencil? (ly:grob-property-data grob 'stencil))
2164 (define-public (call-pure-function unpure args start end)
2165 (if (ly:simple-closure? unpure)
2166 (ly:eval-simple-closure (car args) unpure start end)
2167 (if (not (procedure? unpure))
2169 (if (memq unpure pure-functions)
2171 (let ((pure (assq unpure pure-conversions-alist)))
2175 (list (car args) start end)