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
51 (list ly:self-alignment-interface::centered-on-x-parent))
52 ,(ly:make-simple-closure
53 (list ly:self-alignment-interface::x-aligned-on-self)))))
54 (self-alignment-X . ,CENTER)
56 (glyph-name-alist . ,standard-alteration-glyph-name-alist)
57 (alteration . ,accidental-interface::calc-alteration)
58 (Y-offset . ,ly:side-position-interface::y-aligned-side)
60 (staff-padding . 0.25)
61 (outside-staff-priority . 0)
64 (meta . ((class . Item)
65 (interfaces . (side-position-interface
68 accidental-suggestion-interface
69 self-alignment-interface
76 ;; for horizontally stacked scripts.
77 (script-priority . -100)
80 (positioning-done . ,ly:accidental-placement::calc-positioning-done)
81 (X-extent . ,ly:axis-group-interface::width)
83 ;; this is quite small, but it is very ugly to have
84 ;; accs closer to the previous note than to the next one.
85 (right-padding . 0.15)
86 (meta . ((class . Item)
87 (interfaces . (accidental-placement-interface))))))
92 (X-extent . ,ly:axis-group-interface::width)
93 (Y-extent . ,ly:axis-group-interface::height)
95 (clef . (extra-space . 0.5))
96 (key-signature . (extra-space . 0.0))
97 (staff-bar . (extra-space . 0.0))
98 (time-signature . (extra-space . 0.0))
99 (first-note . (fixed-space . 0.0))))
101 (break-align-symbol . ambitus)
102 (break-visibility . ,begin-of-line-visible)
103 (meta . ((class . Item)
104 (interfaces . (axis-group-interface
105 break-aligned-interface
106 ambitus-interface))))))
110 (stencil . ,ly:ambitus::print)
113 (X-offset . ,ly:self-alignment-interface::centered-on-x-parent)
114 (meta . ((class . Item)
115 (interfaces . (ambitus-interface
116 staff-symbol-referencer-interface
120 (font-family . music)
122 (X-offset . ,ly:side-position-interface::x-aligned-side)
124 (stencil . ,ly:accidental-interface::print)
125 (Y-extent . ,ly:accidental-interface::height)
126 (glyph-name-alist . ,standard-alteration-glyph-name-alist)
128 (meta . ((class . Item)
131 break-aligned-interface
132 side-position-interface
138 (stencil . ,ly:note-head::print)
139 (glyph-name . ,note-head::calc-glyph-name)
140 (Y-offset . ,ly:staff-symbol-referencer::callback)
141 (meta . ((class . Item)
142 (interfaces . (font-interface
145 staff-symbol-referencer-interface
146 rhythmic-head-interface
147 ledgered-interface))))))
150 . ((X-extent . ,ly:arpeggio::width)
151 (stencil . ,ly:arpeggio::print)
152 (Y-offset . ,ly:staff-symbol-referencer::callback)
153 (X-offset . ,ly:side-position-interface::x-aligned-side)
155 (positions . ,ly:arpeggio::calc-positions)
157 (script-priority . 0)
159 (staff-position . 0.0)
160 (Y-extent . ,ly:arpeggio::height)
161 (meta . ((class . Item)
162 (interfaces . (arpeggio-interface
163 staff-symbol-referencer-interface
164 side-position-interface
168 . ((stencil . ,ly:balloon-interface::print)
169 (text . ,(grob::calc-property-by-copy 'text))
170 (X-offset . ,(grob::calc-property-by-copy 'X-offset))
171 (Y-offset . ,(grob::calc-property-by-copy 'Y-offset))
172 (meta . ((class . Item)
173 (interfaces . (text-interface
177 (break-align-symbol . staff-bar)
178 (break-align-anchor . ,ly:bar-line::calc-anchor)
182 (break-visibility . ,bar-line::calc-break-visibility)
184 (stencil . ,ly:bar-line::print)
185 (glyph-name . ,bar-line::calc-glyph-name)
186 (bar-size . ,ly:bar-line::calc-bar-size)
187 (bar-extent . ,ly:bar-line::calc-bar-extent)
188 (allow-span-bar . #t)
191 (time-signature . (extra-space . 0.75))
192 (custos . (minimum-space . 2.0))
193 (clef . (minimum-space . 1.0))
194 (key-signature . (extra-space . 1.0))
195 (key-cancellation . (extra-space . 1.0))
196 (first-note . (fixed-space . 1.3))
197 (next-note . (semi-fixed-space . 0.9))
198 (right-edge . (extra-space . 0.0))))
201 ;; Ross. page 151 lists other values, we opt for a leaner look
204 ;; kern should scale with line-thickness too.
207 (hair-thickness . 1.9)
208 (thick-thickness . 6.0)
209 (meta . ((class . Item)
210 (interfaces . (bar-line-interface
211 break-aligned-interface
216 (stencil . ,ly:text-interface::print)
218 (break-visibility . ,begin-of-line-visible)
221 (font-family . roman)
223 (Y-offset . ,ly:side-position-interface::y-aligned-side)
225 (outside-staff-priority . 100)
226 (X-offset . ,(ly:make-simple-closure
228 ,(ly:make-simple-closure
229 (list ly:break-alignable-interface::self-align-callback))
230 ,(ly:make-simple-closure
231 (list ly:self-alignment-interface::x-aligned-on-self)))))
233 (self-alignment-X . 1)
235 ;; want the bar number before the clef at line start.
236 (break-align-symbols . (left-edge staff-bar))
239 (interfaces . (side-position-interface
241 break-alignable-interface
242 self-alignment-interface
249 (stencil . ,ly:text-interface::print)
250 (meta . ((class . Item)
251 (interfaces . (text-interface
252 rhythmic-grob-interface
253 bass-figure-interface
259 (threshold . (2 . 1000))
260 (positioning-done . ,ly:align-interface::calc-positioning-done)
261 (Y-extent . ,ly:axis-group-interface::height)
264 (meta . ((class . Spanner)
265 (interfaces . (align-interface
266 bass-figure-alignment-interface
267 axis-group-interface))))))
269 (BassFigureAlignmentPositioning
270 . ((Y-offset . ,ly:side-position-interface::y-aligned-side)
273 (Y-extent . ,ly:axis-group-interface::height)
275 (staff-padding . 1.0)
277 (meta . ((class . Spanner)
278 (interfaces . (side-position-interface
284 (stencil . ,ly:enclosing-bracket::print)
285 (X-extent . ,ly:enclosing-bracket::width)
286 (edge-height . (0.2 . 0.2))
287 (meta . ((class . Item)
288 (interfaces . (enclosing-bracket-interface)) ))
290 (BassFigureContinuation
292 (stencil . ,ly:figured-bass-continuation::print)
293 (Y-offset . ,ly:figured-bass-continuation::center-on-figures)
294 (meta . ((class . Spanner)
295 (interfaces . (figured-bass-continuation-interface))
300 (Y-extent . ,ly:axis-group-interface::height)
301 (vertical-skylines . ,ly:axis-group-interface::calc-skylines)
302 (adjacent-pure-heights . ,ly:axis-group-interface::adjacent-pure-heights)
303 (meta . ((class . Spanner)
304 (interfaces . (axis-group-interface
310 ;; todo: clean this up a bit: the list is getting
313 (positions . ,(ly:make-simple-closure
314 (ly:make-simple-closure
315 (list chain-grob-member-functions
317 ly:beam::calc-least-squares-positions
318 ly:beam::slope-damping
319 ly:beam::shift-region-to-valid
323 ;; this is a hack to set stem lengths, if positions is set.
324 (quantized-positions . ,ly:beam::set-stem-lengths)
325 (concaveness . ,ly:beam::calc-concaveness)
326 (direction . ,ly:beam::calc-direction)
327 (shorten . ,ly:beam::calc-stem-shorten)
328 (beaming . ,ly:beam::calc-beaming)
329 (stencil . ,ly:beam::print)
331 (cross-staff . ,ly:beam::calc-cross-staff)
333 (details . ((hint-direction-penalty . 20)))
334 ;; TODO: should be in SLT.
335 (thickness . 0.48) ; in staff-space
336 (neutral-direction . ,DOWN)
338 ;; Whe have some unreferenced problems here.
340 ;; If we shorten beamed stems less than normal stems (1 staff-space),
341 ;; or high order less than 8th beams, patterns like
342 ;; c''4 [c''8 c''] c''4 [c''16 c]
343 ;; are ugly (different stem lengths).
345 ;; But if we shorten 16th beams as much as 8th beams, a single
346 ;; forced 16th beam looks *very* short.
348 ;; We choose to shorten 8th beams the same as single stems,
349 ;; and high order beams less than 8th beams, so that all
350 ;; isolated shortened beams look nice and a bit shortened,
351 ;; sadly possibly breaking patterns with high order beams.
352 (beamed-stem-shorten . (1.0 0.5 0.25))
354 (auto-knee-gap . 5.5)
356 ;; only for debugging.
357 (font-family . roman)
358 (meta . ((class . Spanner)
359 (object-callbacks . ((normal-stems . ,ly:beam::calc-normal-stems)))
360 (interfaces . (staff-symbol-referencer-interface
361 unbreakable-spanner-interface
366 (stencil . ,bend::print)
368 (meta . ((class . Spanner)
369 (interfaces . (spanner-interface
370 bend-after-interface))))))
376 (positioning-done . ,ly:break-alignment-interface::calc-positioning-done)
377 (X-extent . ,ly:axis-group-interface::width)
378 (break-align-orders . ;; end of line
400 time-signature custos)
414 (meta . ((class . Item)
415 (interfaces . (break-alignment-interface
416 axis-group-interface))))))
421 (X-extent . ,ly:axis-group-interface::width)
422 (break-align-anchor . ,ly:break-aligned-interface::calc-average-anchor)
423 (break-visibility . ,ly:break-aligned-interface::calc-break-visibility)
424 (meta . ((class . Item)
425 (interfaces . (break-aligned-interface
426 axis-group-interface))))))
430 (break-align-symbol . breathing-sign)
433 (ambitus . (extra-space . 2.0))
434 (custos . (minimum-space . 1.0))
435 (key-signature . (minimum-space . 1.5))
436 (time-signature . (minimum-space . 1.5))
437 (staff-bar . (minimum-space . 1.5))
438 (clef . (minimum-space . 2.0))
439 (first-note . (fixed-space . 1.0)) ;huh?
440 (right-edge . (extra-space . 0.1))))
441 (stencil . ,ly:text-interface::print)
442 (text . ,(make-musicglyph-markup "scripts.rcomma"))
443 (Y-offset . ,ly:breathing-sign::offset-callback)
444 (break-visibility . ,begin-of-line-invisible)
445 (meta . ((class . Item)
446 (interfaces . (break-aligned-interface
447 breathing-sign-interface
453 (stencil . ,ly:clef::print)
454 (glyph-name . ,ly:clef::calc-glyph-name)
456 (avoid-slur . inside)
457 (font-family . music)
458 (break-align-symbol . clef)
459 (break-align-anchor . ,ly:break-aligned-interface::calc-extent-aligned-anchor)
460 (break-visibility . ,begin-of-line-visible)
461 (space-alist . ((ambitus . (extra-space . 2.0))
462 (staff-bar . (extra-space . 0.7))
463 (key-cancellation . (minimum-space . 3.5))
464 (key-signature . (minimum-space . 3.5))
465 (time-signature . (minimum-space . 4.2))
466 (first-note . (minimum-fixed-space . 5.0))
467 (next-note . (extra-space . 0.5))
468 (right-edge . (extra-space . 0.5))))
469 (Y-offset . ,ly:staff-symbol-referencer::callback)
470 (meta . ((class . Item)
471 (interfaces . (clef-interface
472 staff-symbol-referencer-interface
474 break-aligned-interface))))))
476 (ClusterSpannerBeacon
478 (Y-extent . ,ly:cluster-beacon::height)
479 (meta . ((class . Item)
480 (interfaces . (rhythmic-grob-interface
481 cluster-beacon-interface))))))
485 (springs-and-rods . ,ly:spanner::set-spacing-rods)
486 (stencil . ,ly:cluster::print)
487 (minimum-length . 0.0)
489 (cross-staff . ,ly:cluster::calc-cross-staff)
491 (meta . ((class . Spanner)
492 (interfaces . (cluster-interface))))))
496 (stencil . ,ly:text-interface::print)
497 (after-line-breaking . ,ly:chord-name::after-line-breaking)
501 (meta . ((class . Item)
502 (interfaces . (font-interface
503 rhythmic-grob-interface
510 (stencil . ,ly:text-interface::print)
511 (extra-spacing-width . (+inf.0 . -inf.0))
512 (Y-offset . ,ly:side-position-interface::y-aligned-side)
513 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
516 (staff-padding . 0.5)
517 (script-priority . 200)
518 ;; todo: add X self alignment?
521 (avoid-slur . outside )
523 (meta . ((class . Item)
524 (interfaces . (text-script-interface
526 side-position-interface
531 (break-align-symbol . custos)
533 (stencil . ,ly:custos::print)
534 (break-visibility . ,end-of-line-visible)
536 (neutral-direction . ,DOWN)
537 (Y-offset . ,ly:staff-symbol-referencer::callback)
539 (first-note . (minimum-fixed-space . 0.0))
540 (right-edge . (extra-space . 0.1))))
541 (meta . ((class . Item)
544 staff-symbol-referencer-interface
546 break-aligned-interface))))))
552 (positioning-done . ,ly:dot-column::calc-positioning-done)
553 (X-extent . ,ly:axis-group-interface::width)
554 (meta . ((class . Item)
555 (interfaces . (dot-column-interface
556 axis-group-interface))))))
560 (stencil . ,ly:dots::print)
561 (dot-count . ,dots::calc-dot-count)
562 (staff-position . ,dots::calc-staff-position)
563 (meta . ((class . Item)
564 (interfaces . (font-interface
565 staff-symbol-referencer-interface
570 (stencil . ,ly:percent-repeat-item-interface::double-percent)
573 (font-encoding . fetaMusic)
576 (break-align-symbol . staff-bar)
577 (break-visibility . ,begin-of-line-invisible)
578 (meta . ((class . Item)
579 (interfaces . (font-interface
580 break-aligned-interface
581 percent-repeat-item-interface))))))
583 (DoublePercentRepeatCounter
585 (stencil . ,ly:text-interface::print)
586 (X-offset . ,(ly:make-simple-closure `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::centered-on-y-parent))
587 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self)))))
588 (Y-offset . ,ly:side-position-interface::y-aligned-side)
589 (font-encoding . fetaNumber)
590 (self-alignment-X . 0)
594 (staff-padding . 0.25)
596 (meta . ((class . Item)
597 (interfaces . (side-position-interface
598 self-alignment-interface
599 percent-repeat-item-interface
605 (Y-offset . ,ly:side-position-interface::y-aligned-side)
606 (staff-padding . 0.1)
609 (minimum-space . 1.2)
612 (outside-staff-priority . 250)
613 (Y-extent . ,ly:axis-group-interface::height)
614 (X-extent . ,ly:axis-group-interface::width)
615 (cross-staff . ,ly:side-position-interface::calc-cross-staff)
616 (meta . ((class . Spanner)
617 (interfaces . (axis-group-interface
619 dynamic-line-spanner-interface
620 side-position-interface))))))
627 (stencil . ,ly:text-interface::print)
628 (direction . ,ly:script-interface::calc-direction)
629 (positioning-done . ,ly:script-interface::calc-positioning-done)
631 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
632 (self-alignment-X . 0)
633 (Y-offset . ,ly:self-alignment-interface::y-aligned-on-self)
634 (self-alignment-Y . 0)
636 (font-encoding . fetaDynamic)
637 (font-shape . italic)
638 (extra-spacing-width . (+inf.0 . -inf.0))
639 (outside-staff-priority . 250)
640 (meta . ((class . Item)
641 (interfaces . (font-interface
643 self-alignment-interface
645 script-interface))))))
649 ;; rather ugh with NCSB
650 ;; (font-series . bold)
651 (font-shape . italic)
652 (style . dashed-line)
654 ;; make sure the spanner doesn't get too close to notes
655 (minimum-Y-extent . (-1 . 1))
656 (bound-details . ((right . ((attach-dir . ,LEFT)
660 (right-broken . ((attach-dir . ,RIGHT)
664 (left . ((attach-dir . ,LEFT)
666 (stencil-offset . (0 . -0.5))
669 (left-broken . ((attach-dir . ,RIGHT)
672 (stencil . ,ly:line-spanner::print)
673 (left-bound-info . ,ly:line-spanner::calc-left-bound-info-and-text)
674 (right-bound-info . ,ly:line-spanner::calc-right-bound-info)
676 ;; need to blend with dynamic texts.
678 (dash-fraction . 0.2)
680 (meta . ((class . Spanner)
681 (interfaces . (font-interface
683 line-spanner-interface
686 dynamic-text-spanner-interface
687 spanner-interface))))))
693 ;; sync with TextScript (?)
696 (avoid-slur . around)
698 (staff-padding . 0.5)
699 (self-alignment-X . 0)
700 (self-alignment-Y . 0)
701 (script-priority . 100)
702 (stencil . ,ly:text-interface::print)
703 (direction . ,ly:script-interface::calc-direction)
704 (positioning-done . ,ly:script-interface::calc-positioning-done)
705 (cross-staff . ,ly:side-position-interface::calc-cross-staff)
707 (text . ,fingering::calc-text)
708 (font-encoding . fetaNumber)
709 (font-size . -5) ; don't overlap when next to heads.
710 (meta . ((class . Item)
711 (interfaces . (finger-interface
713 text-script-interface
715 side-position-interface
716 self-alignment-interface
719 . ((stencil . ,fret-board::calc-stencil)
720 (finger-code . below-string)
721 (meta . ((class . Item)
722 (interfaces . (fret-diagram-interface
730 (zigzag-width . 0.75)
733 (bound-details . ((right . ((attach-dir . ,CENTER)
736 (left . ((attach-dir . ,CENTER)
740 (stencil . ,ly:line-spanner::print)
741 (left-bound-info . ,ly:line-spanner::calc-left-bound-info)
742 (right-bound-info . ,ly:line-spanner::calc-right-bound-info)
743 (meta . ((class . Spanner)
744 (interfaces . (line-interface
745 unbreakable-spanner-interface
746 line-spanner-interface))))))
750 (common-shortest-duration . ,grace-spacing::calc-shortest-duration)
751 (spacing-increment . 0.8)
752 (shortest-duration-space . 1.6)
753 (meta . ((class . Spanner)
754 (interfaces . (grace-spacing-interface
756 spacing-options-interface
757 spanner-interface))))))
762 (meta . ((class . Item)
763 (interfaces . (grid-point-interface))))))
767 (X-extent . ,ly:grid-line-interface::width)
768 (stencil . ,ly:grid-line-interface::print)
769 (self-alignment-X . ,CENTER)
770 (X-offset . ,(ly:make-simple-closure
771 `(,+ ,(ly:make-simple-closure
772 (list ly:self-alignment-interface::centered-on-x-parent))
773 ,(ly:make-simple-closure
774 (list ly:self-alignment-interface::x-aligned-on-self)))))
776 (meta . ((class . Item)
777 (interfaces . (self-alignment-interface
778 grid-line-interface))))))
782 (stencil . ,ly:hairpin::print)
783 (springs-and-rods . ,ly:spanner::set-spacing-rods)
784 (after-line-breaking . ,ly:hairpin::after-line-breaking)
785 (grow-direction . ,hairpin::calc-grow-direction)
789 (minimum-length . 2.0)
790 (bound-padding . 1.0)
791 (self-alignment-Y . 0)
792 (Y-offset . ,ly:self-alignment-interface::y-aligned-on-self)
793 (meta . ((class . Spanner)
794 (interfaces . (hairpin-interface
796 self-alignment-interface
798 spanner-interface))))))
803 (stencil . ,ly:horizontal-bracket::print)
804 (Y-offset . ,ly:side-position-interface::y-aligned-side)
805 (connect-to-neighbor . ,ly:tuplet-bracket::calc-connect-to-neighbors)
808 (staff-padding . 0.2)
811 (bracket-flare . (0.5 . 0.5))
812 (meta . ((class . Spanner)
813 (interfaces . (horizontal-bracket-interface
814 side-position-interface
816 spanner-interface))))))
820 (stencil . ,ly:system-start-text::print)
821 (X-offset . ,ly:side-position-interface::x-aligned-side)
823 (self-alignment-Y . ,CENTER)
824 (self-alignment-X . ,CENTER)
825 (meta . ((class . Spanner)
826 (interfaces . (system-start-text-interface
827 side-position-interface
833 (stencil . ,ly:text-interface::print)
834 (Y-offset . ,ly:side-position-interface::y-aligned-side)
835 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
839 (self-alignment-X . ,CENTER)
840 (meta . ((class . Item)
841 (interfaces . (side-position-interface
846 (stencil . ,ly:key-signature-interface::print)
847 (glyph-name-alist . ,cancellation-glyph-name-alist)
849 (time-signature . (extra-space . 1.25))
850 (staff-bar . (extra-space . 0.6))
851 (key-signature . (extra-space . 0.5))
852 (right-edge . (extra-space . 0.5))
853 (first-note . (fixed-space . 2.5))))
854 (Y-offset . ,ly:staff-symbol-referencer::callback)
855 (break-align-symbol . key-cancellation)
856 (break-visibility . ,begin-of-line-invisible)
858 (meta . ((class . Item)
859 (interfaces . (key-cancellation-interface
860 key-signature-interface
862 break-aligned-interface))))))
865 (stencil . ,ly:key-signature-interface::print)
866 (avoid-slur . inside)
867 (glyph-name-alist . ,standard-alteration-glyph-name-alist)
869 (time-signature . (extra-space . 1.15))
870 (staff-bar . (extra-space . 1.1))
871 (right-edge . (extra-space . 0.5))
872 (first-note . (fixed-space . 2.5))))
873 (Y-offset . ,ly:staff-symbol-referencer::callback)
874 (break-align-symbol . key-signature)
875 (break-align-anchor . ,ly:break-aligned-interface::calc-extent-aligned-anchor)
876 (break-visibility . ,begin-of-line-visible)
878 (meta . ((class . Item)
879 (interfaces . (key-signature-interface
881 break-aligned-interface))))))
886 (stencil . ,ly:tie::print)
887 (control-points . ,ly:semi-tie::calc-control-points)
888 (direction . ,ly:tie::calc-direction)
889 (details . ((ratio . 0.333)
890 (height-limit . 1.0)))
891 (head-direction . ,LEFT)
893 (meta . ((class . Item)
894 (interfaces . (semi-tie-interface))
898 (LaissezVibrerTieColumn
902 (head-direction . ,LEFT)
903 (positioning-done . ,ly:semi-tie-column::calc-positioning-done)
904 (meta . ((class . Item)
905 (interfaces . (semi-tie-column-interface))
911 (springs-and-rods . ,ly:ledger-line-spanner::set-spacing-rods)
912 (stencil . ,ly:ledger-line-spanner::print)
915 (minimum-length-fraction . 0.25)
916 (length-fraction . 0.25)
918 (meta . ((class . Spanner)
919 (interfaces . (ledger-line-spanner-interface))))))
923 (break-align-symbol . left-edge)
924 (break-align-anchor . ,ly:break-aligned-interface::calc-extent-aligned-anchor)
927 (break-visibility . ,center-invisible)
929 (custos . (extra-space . 0.0))
930 (ambitus . (extra-space . 2.0))
931 (time-signature . (extra-space . 1.0))
932 (staff-bar . (extra-space . 0.0))
933 (breathing-sign . (minimum-space . 0.0))
934 (clef . (extra-space . 0.8))
935 (first-note . (fixed-space . 2.0))
936 (right-edge . (extra-space . 0.0))
937 (key-signature . (extra-space . 0.0))
938 (key-cancellation . (extra-space . 0.0))
940 (meta . ((class . Item)
941 (interfaces . (break-aligned-interface))))))
945 ;; ugh. A ligature bracket is totally different from
950 (edge-height . (0.7 . 0.7))
951 (shorten-pair . (-0.2 . -0.2))
953 (positions . ,ly:tuplet-bracket::calc-positions)
954 (stencil . ,ly:tuplet-bracket::print)
955 (staff-padding . 0.25)
956 (connect-to-neighbor . ,ly:tuplet-bracket::calc-connect-to-neighbors)
957 (control-points . ,ly:tuplet-bracket::calc-control-points)
958 (meta . ((class . Spanner)
959 (interfaces . (line-interface
960 tuplet-bracket-interface))))))
965 (stencil . ,ly:lyric-extender::print)
966 (thickness . 0.8) ; line-thickness
967 (minimum-length . 1.5)
969 (meta . ((class . Spanner)
970 (interfaces . (lyric-interface
971 lyric-extender-interface))))))
979 (minimum-length . 0.3)
980 (minimum-distance . 0.1)
982 (springs-and-rods . ,ly:lyric-hyphen::set-spacing-rods)
983 (stencil . ,ly:lyric-hyphen::print)
985 (meta . ((class . Spanner)
986 (interfaces . (lyric-interface
988 lyric-hyphen-interface
989 spanner-interface))))))
992 . ((minimum-distance . 0.45)
993 (springs-and-rods . ,ly:lyric-hyphen::set-spacing-rods)
997 (meta . ((class . Spanner)
998 (interfaces . (spanner-interface
999 lyric-hyphen-interface ))
1005 (stencil . ,lyric-text::print)
1006 (text . ,(grob::calc-property-by-copy 'text))
1007 (X-offset . ,ly:self-alignment-interface::aligned-on-x-parent)
1008 (self-alignment-X . 0)
1010 (font-series . bold-narrow)
1012 (extra-spacing-width . (0.0 . 0.0))
1013 (meta . ((class . Item)
1014 (interfaces . (rhythmic-grob-interface
1015 lyric-syllable-interface
1016 self-alignment-interface
1018 font-interface))))))
1023 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1025 (stencil . ,ly:measure-grouping::print)
1031 (meta . ((class . Spanner)
1032 (interfaces . (side-position-interface
1033 measure-grouping-interface))))))
1037 (neutral-direction . ,DOWN)
1038 (meta . ((class . Item)
1039 (interfaces . (melody-spanner-interface ))))))
1044 (stencil . ,ly:mensural-ligature::print)
1045 (meta . ((class . Spanner)
1046 (interfaces . (mensural-ligature-interface
1047 font-interface))))))
1051 (stencil . ,ly:text-interface::print)
1052 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1056 (extra-spacing-width . (+inf.0 . -inf.0))
1057 (outside-staff-priority . 1000)
1058 (meta . ((class . Item)
1059 (interfaces . (text-interface
1060 side-position-interface
1062 metronome-mark-interface))))))
1067 (stencil . ,ly:multi-measure-rest::print)
1068 (springs-and-rods . ,ly:multi-measure-rest::set-spacing-rods)
1069 (Y-offset . ,ly:staff-symbol-referencer::callback)
1070 (staff-position . 0)
1072 (thick-thickness . 6.6)
1073 (hair-thickness . 2.0)
1075 (meta . ((class . Spanner)
1076 (interfaces . (multi-measure-rest-interface
1077 multi-measure-interface
1080 staff-symbol-referencer-interface))))))
1083 (MultiMeasureRestNumber
1085 (bound-padding . 2.0)
1086 (springs-and-rods . ,ly:multi-measure-rest::set-text-rods)
1087 (stencil . ,ly:text-interface::print)
1088 (X-offset . ,(ly:make-simple-closure
1089 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self))
1090 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-centered-on-y-parent)))))
1091 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1093 (self-alignment-X . 0)
1096 (staff-padding . 0.4)
1097 (font-encoding . fetaNumber)
1098 (meta . ((class . Spanner)
1099 (interfaces . (side-position-interface
1100 multi-measure-interface
1101 self-alignment-interface
1106 (MultiMeasureRestText
1108 (stencil . ,ly:text-interface::print)
1109 (X-offset . ,(ly:make-simple-closure
1110 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-centered-on-y-parent))
1111 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self)))))
1113 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1114 (self-alignment-X . 0)
1117 (staff-padding . 0.25)
1118 (outside-staff-priority . 450)
1119 (meta . ((class . Spanner)
1120 (interfaces . (side-position-interface
1121 multi-measure-interface
1122 self-alignment-interface
1124 text-interface))))))
1126 (NonMusicalPaperColumn
1128 (allow-loose-spacing . #t)
1130 (before-line-breaking . ,ly:paper-column::before-line-breaking)
1131 (X-extent . ,ly:axis-group-interface::width)
1132 (horizontal-skylines . ,ly:separation-item::calc-skylines)
1133 ;; (stencil . ,ly:paper-column::print)
1136 (line-break-permission . allow)
1137 (page-break-permission . allow)
1139 ;; debugging stuff: print column number.
1140 ;; (font-size . -6) (font-name . "sans") (Y-extent . #f)
1142 (meta . ((class . Paper_column)
1143 (interfaces . (paper-column-interface
1144 axis-group-interface
1145 separation-item-interface
1146 spaceable-grob-interface))))))
1151 (X-extent . ,ly:axis-group-interface::width)
1152 (Y-extent . ,ly:axis-group-interface::height)
1153 (prefer-dotted-right . #t)
1154 (positioning-done . ,ly:note-collision-interface::calc-positioning-done)
1155 (meta . ((class . Item)
1156 (interfaces . (note-collision-interface
1157 axis-group-interface))))))
1162 (X-extent . ,ly:axis-group-interface::width)
1163 (Y-extent . ,ly:axis-group-interface::height)
1164 (horizontal-skylines . ,ly:separation-item::calc-skylines)
1165 (meta . ((class . Item)
1166 (interfaces . (axis-group-interface
1167 separation-item-interface
1168 note-column-interface))))))
1172 (stencil . ,ly:note-head::print)
1173 (duration-log . ,note-head::calc-duration-log)
1174 (stem-attachment . ,ly:note-head::calc-stem-attachment)
1175 (glyph-name . ,note-head::calc-glyph-name)
1176 (Y-offset . ,ly:staff-symbol-referencer::callback)
1177 (X-offset . ,ly:note-head::stem-x-shift)
1178 (meta . ((class . Item)
1179 (interfaces . (rhythmic-grob-interface
1180 rhythmic-head-interface
1184 staff-symbol-referencer-interface))))))
1188 (stem-spacing-correction . 0.5)
1189 (same-direction-correction . 0.25)
1190 (space-to-barline . #t)
1191 ;; Changed this from 0.75.
1192 ;; If you ever change this back, please document! --hwn
1193 (knee-spacing-correction . 1.0)
1194 (meta . ((class . Item)
1195 (interfaces . (spacing-interface
1196 note-spacing-interface))))))
1200 (stencil . ,ly:text-interface::print)
1201 (meta . ((class . Item)
1202 (interfaces . (note-name-interface
1204 font-interface))))))
1208 (self-alignment-X . 0)
1209 (break-visibility . ,begin-of-line-visible)
1210 (X-offset . ,(ly:make-simple-closure
1211 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self))
1212 ,(ly:make-simple-closure (list ly:self-alignment-interface::centered-on-x-parent)))))
1214 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1215 (stencil . ,ly:text-interface::print)
1216 (font-shape . italic)
1217 (staff-padding . 0.2)
1219 (meta . ((class . Item)
1220 (interfaces . (text-interface
1221 self-alignment-interface
1222 side-position-interface
1223 font-interface))))))
1227 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1228 (stencil . ,ly:ottava-bracket::print)
1229 (font-shape . italic)
1230 (shorten-pair . (0.0 . -0.6))
1231 (staff-padding . 1.0)
1233 (minimum-length . 1.0)
1234 (style . dashed-line)
1235 (dash-fraction . 0.3)
1236 (edge-height . (0 . 1.2))
1238 (outside-staff-priority . 400)
1239 (meta . ((class . Spanner)
1240 (interfaces . (ottava-bracket-interface
1241 horizontal-bracket-interface
1243 side-position-interface
1245 text-interface))))))
1250 (allow-loose-spacing . #t)
1251 (before-line-breaking . ,ly:paper-column::before-line-breaking)
1252 (horizontal-skylines . ,ly:separation-item::calc-skylines)
1253 ;; (stencil . ,ly:paper-column::print)
1254 (X-extent . ,ly:axis-group-interface::width)
1257 ;; (font-size . -6) (font-name . "sans") (Y-extent . #f)
1258 (meta . ((class . Paper_column)
1259 (interfaces . (paper-column-interface
1260 separation-item-interface
1261 axis-group-interface
1262 spaceable-grob-interface))))))
1265 . ((stencil . ,parentheses-item::print)
1266 (stencils . ,parentheses-item::calc-parenthesis-stencils)
1269 (meta . ((class . Item)
1270 (interfaces . (parentheses-interface font-interface))))
1273 (HarmonicParenthesesItem
1274 . ((stencil . ,parentheses-item::print)
1276 (stencils . ,parentheses-item::calc-angled-bracket-stencils)
1277 (meta . ((class . Item)
1278 (interfaces . (parentheses-interface font-interface))))
1282 . ((details . ,default-slur-details)
1283 (control-points . ,ly:slur::calc-control-points)
1284 (direction . ,ly:slur::calc-direction)
1285 (springs-and-rods . ,ly:spanner::set-spacing-rods)
1286 (Y-extent . ,ly:slur::height)
1287 (stencil . ,ly:slur::print)
1289 (minimum-length . 1.5)
1290 (height-limit . 2.0)
1292 (cross-staff . ,ly:slur::calc-cross-staff)
1293 (meta . ((class . Spanner)
1294 (interfaces . (slur-interface))))))
1300 (springs-and-rods . ,ly:multi-measure-rest::set-spacing-rods)
1301 (stencil . ,ly:multi-measure-rest::percent)
1304 (font-encoding . fetaMusic)
1305 (meta . ((class . Spanner)
1306 (interfaces . (multi-measure-rest-interface
1308 percent-repeat-item-interface))))))
1309 (PercentRepeatCounter
1311 (stencil . ,ly:text-interface::print)
1312 (X-offset . ,(ly:make-simple-closure
1313 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-centered-on-y-parent))
1314 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self)))))
1315 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1316 (self-alignment-X . 0)
1319 (staff-padding . 0.25)
1321 (font-encoding . fetaNumber)
1322 (meta . ((class . Spanner)
1323 (interfaces . (side-position-interface
1324 self-alignment-interface
1325 percent-repeat-item-interface
1327 text-interface))))))
1329 ;; an example of a text spanner
1332 (stencil . ,ly:piano-pedal-bracket::print)
1334 (bound-padding . 1.0)
1336 (bracket-flare . (0.5 . 0.5))
1337 (edge-height . (1.0 . 1.0))
1338 (shorten-pair . (0.0 . 0.0))
1340 (meta . ((class . Spanner)
1341 (interfaces . (line-interface
1342 piano-pedal-interface
1343 piano-pedal-bracket-interface))))))
1347 (stencil . ,ly:text-interface::print)
1348 (X-offset . ,(ly:make-simple-closure
1350 ,(ly:make-simple-closure
1351 (list ly:break-alignable-interface::self-align-callback))
1352 ,(ly:make-simple-closure
1353 (list ly:self-alignment-interface::x-aligned-on-self)))))
1355 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1356 (extra-spacing-width . (+inf.0 . -inf.0))
1357 (self-alignment-X . 0)
1362 (break-visibility . ,end-of-line-invisible)
1363 (break-align-symbols . (staff-bar clef))
1365 (outside-staff-priority . 1500)
1366 (meta . ((class . Item)
1367 (interfaces . (text-interface
1368 side-position-interface
1369 break-alignable-interface
1372 self-alignment-interface))))))
1376 (stencil . ,ly:percent-repeat-item-interface::beat-slash)
1379 (meta . ((class . Item)
1380 (interfaces . (rhythmic-grob-interface
1381 percent-repeat-item-interface))))))
1385 (stencil . ,ly:tie::print)
1386 (control-points . ,ly:semi-tie::calc-control-points)
1387 (direction . ,ly:tie::calc-direction)
1388 (details . ((ratio . 0.333)
1389 (height-limit . 1.0)))
1391 (head-direction . ,RIGHT)
1392 (meta . ((class . Item)
1393 (interfaces . (semi-tie-interface))
1401 (direction . ,ly:tie::calc-direction)
1402 (head-direction . ,ly:semi-tie-column::calc-head-direction)
1404 (positioning-done . ,ly:semi-tie-column::calc-positioning-done)
1405 (meta . ((class . Item)
1406 (interfaces . (semi-tie-column-interface))
1412 (stencil . ,ly:rest::print)
1413 (duration-log . ,stem::calc-duration-log)
1414 (X-extent . ,ly:rest::width)
1415 (Y-extent . ,ly:rest::height)
1416 (Y-offset . ,ly:rest::y-offset-callback)
1417 (minimum-distance . 0.25)
1418 (meta . ((class . Item)
1419 (interfaces . (font-interface
1420 rhythmic-head-interface
1421 rhythmic-grob-interface
1422 staff-symbol-referencer-interface
1423 rest-interface))))))
1427 (minimum-distance . 0.75)
1428 (positioning-done . ,ly:rest-collision::calc-positioning-done)
1429 (meta . ((class . Item)
1430 (interfaces . (rest-collision-interface))))))
1434 ;; don't set direction here: it breaks staccato.
1436 ;; padding set in script definitions.
1437 (staff-padding . 0.25)
1438 (X-offset . ,script-interface::calc-x-offset)
1439 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1442 (stencil . ,ly:script-interface::print)
1443 (direction . ,ly:script-interface::calc-direction)
1444 (positioning-done . ,ly:script-interface::calc-positioning-done)
1445 (font-encoding . fetaMusic)
1446 (cross-staff . ,ly:script-interface::calc-cross-staff)
1447 (meta . ((class . Item)
1448 (interfaces . (script-interface
1449 side-position-interface
1450 font-interface))))))
1454 (before-line-breaking . ,ly:script-column::before-line-breaking)
1455 (meta . ((class . Item)
1456 (interfaces . (script-column-interface))))))
1459 (before-line-breaking . ,ly:script-column::row-before-line-breaking)
1460 (meta . ((class . Item)
1461 (interfaces . (script-column-interface))))))
1465 (avoid-slur . inside)
1466 (X-extent . ,ly:axis-group-interface::width)
1467 (Y-extent . ,ly:axis-group-interface::height)
1468 (horizontal-skylines . ,ly:separation-item::calc-skylines)
1469 (stencil . ,ly:separation-item::print)
1470 (meta . ((class . Item)
1472 separation-item-interface))))))
1475 . ((details . ,default-slur-details)
1476 (control-points . ,ly:slur::calc-control-points)
1477 (direction . ,ly:slur::calc-direction)
1478 (springs-and-rods . ,ly:spanner::set-spacing-rods)
1479 (Y-extent . ,ly:slur::height)
1480 (stencil . ,ly:slur::print)
1482 (line-thickness . 0.8)
1483 (minimum-length . 1.5)
1484 (height-limit . 2.0)
1486 (avoid-slur . inside)
1487 (cross-staff . ,ly:slur::calc-cross-staff)
1488 (meta . ((class . Spanner)
1489 (interfaces . (slur-interface))))))
1493 (stencil . ,ly:text-interface::print)
1494 (direction . ,RIGHT)
1495 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1496 (extra-spacing-width . (+inf.0 . -inf.0))
1497 (padding . 0.0) ;; padding relative to SostenutoPedalLineSpanner
1498 (font-shape . italic)
1499 (self-alignment-X . 0)
1500 (meta . ((class . Item)
1501 (interfaces . (text-interface
1502 self-alignment-interface
1503 piano-pedal-script-interface
1504 font-interface))))))
1506 (SostenutoPedalLineSpanner
1509 (Y-extent . ,ly:axis-group-interface::height)
1510 (X-extent . ,ly:axis-group-interface::width)
1511 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1512 (outside-staff-priority . 1000)
1514 (staff-padding . 1.0)
1516 (minimum-space . 1.0)
1518 (meta . ((class . Spanner)
1519 (interfaces . (piano-pedal-interface
1520 axis-group-interface
1521 side-position-interface))))))
1524 (springs-and-rods . ,ly:spacing-spanner::set-springs)
1525 (common-shortest-duration . ,ly:spacing-spanner::calc-common-shortest-duration)
1526 (average-spacing-wishes . #t)
1527 (shortest-duration-space . 2.0)
1528 (spacing-increment . 1.2)
1530 (base-shortest-duration . ,(ly:make-moment 3 16))
1531 (meta . ((class . Spanner)
1533 spacing-options-interface
1534 spacing-spanner-interface))))))
1538 (break-align-symbol . staff-bar)
1539 (Y-extent . ,ly:axis-group-interface::height)
1543 (stencil . ,ly:span-bar::print)
1544 (bar-size . ,ly:span-bar::calc-bar-size)
1545 (bar-extent . ,ly:axis-group-interface::height)
1546 (X-extent . ,ly:span-bar::width)
1547 (glyph-name . ,ly:span-bar::calc-glyph-name)
1548 (before-line-breaking . ,ly:span-bar::before-line-breaking)
1549 (allow-span-bar . #t)
1554 ;; Ross. page 151 lists other values, we opt for a leaner look
1558 (hair-thickness . 1.6)
1559 (thick-thickness . 6.0)
1560 (meta . ((class . Item)
1561 (interfaces . (span-bar-interface
1563 bar-line-interface))))))
1567 (stencil . ,ly:text-interface::print)
1568 (font-series . bold)
1570 (X-offset . ,ly:side-position-interface::x-aligned-side)
1573 (meta . ((class . Item)
1574 (interfaces . (side-position-interface
1575 stanza-number-interface
1577 font-interface))))))
1583 (stem-spacing-correction . 0.4)
1584 (meta . ((class . Item)
1585 (interfaces . (spacing-interface
1586 staff-spacing-interface))))))
1591 (Y-extent . ,ly:staff-symbol::height)
1592 (stencil . ,ly:staff-symbol::print)
1594 (ledger-line-thickness . (1.0 . 0.1))
1596 (meta . ((class . Spanner)
1597 (interfaces . (staff-symbol-interface))))))
1601 (direction . ,ly:stem::calc-direction)
1602 (duration-log . ,stem::calc-duration-log)
1603 (default-direction . ,ly:stem::calc-default-direction)
1604 (stem-end-position . ,ly:stem::calc-stem-end-position)
1606 (neutral-direction . ,DOWN)
1607 (stem-info . ,ly:stem::calc-stem-info)
1608 (positioning-done . ,ly:stem::calc-positioning-done)
1609 (stencil . ,ly:stem::print)
1610 (X-extent . ,ly:stem::width)
1611 (Y-extent . ,ly:stem::height)
1612 (length . ,ly:stem::calc-length)
1614 (cross-staff . ,ly:stem::calc-cross-staff)
1617 ;; 3.5 (or 3 measured from note head) is standard length
1618 ;; 32nd, 64th flagged stems should be longer
1619 (lengths . (3.5 3.5 3.5 4.5 5.0))
1621 ;; FIXME. 3.5 yields too long beams (according to Ross and
1622 ;; looking at Baerenreiter examples) for a number of common
1623 ;; boundary cases. Subtracting half a beam thickness fixes
1624 ;; this, but the bug may well be somewhere else.
1626 ;; FIXME this should come from 'lengths
1627 (beamed-lengths . (3.26 3.5 3.6))
1629 ;; The 'normal' minima
1630 (beamed-minimum-free-lengths . (1.83 1.5 1.25))
1631 ;(beamed-minimum-free-lengths . (2.0 1.83 1.25))
1633 ;; The 'extreme case' minima
1634 (beamed-extreme-minimum-free-lengths . (2.0 1.25))
1636 ;; Stems in unnatural (forced) direction should be shortened by
1637 ;; one staff space, according to [Roush & Gourlay].
1638 ;; Flagged stems we shorten only half a staff space.
1639 (stem-shorten . (1.0 0.5))
1643 ;; We use the normal minima as minimum for the ideal lengths,
1644 ;; and the extreme minima as abolute minimum length.
1646 (X-offset . ,ly:stem::offset-callback)
1647 (Y-offset . ,ly:staff-symbol-referencer::callback)
1648 (meta . ((class . Item)
1649 (interfaces . (stem-interface
1650 font-interface))))))
1654 (Y-extent . ,ly:stem-tremolo::height)
1655 (X-extent . ,ly:stem-tremolo::width)
1656 (stencil . ,ly:stem-tremolo::print)
1657 (slope . ,ly:stem-tremolo::calc-slope)
1658 (beam-width . ,ly:stem-tremolo::calc-width) ; staff-space
1659 (style . ,ly:stem-tremolo::calc-style)
1660 (beam-thickness . 0.48) ; staff-space
1661 (meta . ((class . Item)
1662 (interfaces . (stem-tremolo-interface))))))
1666 (stencil . ,print-circled-text-callback)
1667 (text . ,string-number::calc-text)
1669 (staff-padding . 0.5)
1670 (self-alignment-X . 0)
1671 (self-alignment-Y . 0)
1672 (script-priority . 100)
1673 (font-encoding . fetaNumber)
1674 (font-size . -5) ; don't overlap when next to heads.
1675 (meta . ((class . Item)
1676 (interfaces . (string-number-interface
1678 text-script-interface
1680 side-position-interface
1681 self-alignment-interface
1686 (stencil . ,ly:text-interface::print)
1687 (text . ,stroke-finger::calc-text)
1688 (digit-names . #("p" "i" "m" "a" "x"))
1690 (staff-padding . 0.5)
1691 (self-alignment-X . 0)
1692 (self-alignment-Y . 0)
1693 (script-priority . 100)
1694 (font-shape . italic)
1695 (font-size . -4) ; don't overlap when next to heads.
1696 (meta . ((class . Item)
1697 (interfaces . (stroke-finger-interface
1699 text-script-interface
1701 side-position-interface
1702 self-alignment-interface
1708 (extra-spacing-width . (+inf.0 . -inf.0))
1709 (stencil . ,ly:sustain-pedal::print)
1710 (self-alignment-X . 0)
1711 (direction . ,RIGHT)
1712 (padding . 0.0) ;; padding relative to SustainPedalLineSpanner
1713 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1714 (meta . ((class . Item)
1715 (interfaces . (piano-pedal-interface
1717 self-alignment-interface
1718 piano-pedal-script-interface
1719 font-interface))))))
1721 (SustainPedalLineSpanner
1724 (Y-extent . ,ly:axis-group-interface::height)
1725 (X-extent . ,ly:axis-group-interface::width)
1726 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1727 (outside-staff-priority . 1000)
1730 (staff-padding . 1.2)
1731 (minimum-space . 1.0)
1733 (meta . ((class . Spanner)
1734 (interfaces . (piano-pedal-interface
1735 axis-group-interface
1736 side-position-interface))))))
1741 (X-extent . ,ly:axis-group-interface::width)
1742 (Y-extent . ,ly:axis-group-interface::height)
1743 (vertical-skylines . ,ly:axis-group-interface::calc-skylines)
1744 (max-stretch . ,ly:axis-group-interface::calc-max-stretch)
1745 (meta . ((class . System)
1746 (interfaces . (system-interface
1747 axis-group-interface))))))
1753 (stencil . ,ly:system-start-delimiter::print)
1754 (collapse-height . 5.0)
1755 (X-offset . ,ly:side-position-interface::x-aligned-side)
1757 (font-encoding . fetaBraces)
1759 (meta . ((class . Spanner)
1760 (interfaces . (system-start-delimiter-interface
1761 side-position-interface
1762 font-interface))))))
1768 (X-offset . ,ly:side-position-interface::x-aligned-side)
1770 (stencil . ,ly:system-start-delimiter::print)
1771 (style . line-bracket)
1773 (meta . ((class . Spanner)
1774 (interfaces . (font-interface
1775 side-position-interface
1776 system-start-delimiter-interface))))))
1781 (X-offset . ,ly:side-position-interface::x-aligned-side)
1783 (stencil . ,ly:system-start-delimiter::print)
1785 (collapse-height . 5.0)
1787 (meta . ((class . Spanner)
1788 (interfaces . (font-interface
1789 side-position-interface
1790 system-start-delimiter-interface))))))
1797 (padding . -0.1) ;; bar must cover rounded ending of staff line.
1798 (X-offset . ,ly:side-position-interface::x-aligned-side)
1801 (collapse-height . 5.0)
1803 (stencil . ,ly:system-start-delimiter::print)
1804 (meta . ((class . Spanner)
1805 (interfaces . (side-position-interface
1806 system-start-delimiter-interface))))))
1810 (stencil . ,ly:text-interface::print)
1811 (Y-offset . ,ly:staff-symbol-referencer::callback)
1812 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1815 (stem-attachment . (0.0 . 1.35))
1816 (font-series . bold)
1817 (meta . ((class . Item)
1819 . (rhythmic-head-interface
1820 font-interface rhythmic-grob-interface
1822 staff-symbol-referencer-interface
1823 text-interface))))))
1827 (extra-spacing-width . (+inf.0 . -inf.0))
1828 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1829 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1833 ;; sync with Fingering ?
1835 (staff-padding . 0.5)
1837 (stencil . ,ly:text-interface::print)
1838 (direction . ,ly:script-interface::calc-direction)
1839 (positioning-done . ,ly:script-interface::calc-positioning-done)
1841 (outside-staff-priority . 450)
1842 (avoid-slur . around)
1843 (slur-padding . 0.5)
1844 (script-priority . 200)
1845 (cross-staff . ,ly:script-interface::calc-cross-staff)
1846 ;; todo: add X self alignment?
1847 (meta . ((class . Item)
1848 (interfaces . (text-script-interface
1850 side-position-interface
1851 font-interface))))))
1855 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1856 (font-shape . italic)
1857 (style . dashed-line)
1858 (staff-padding . 0.8)
1859 (dash-fraction . 0.2)
1863 (outside-staff-priority . 350)
1865 (left-bound-info . ,ly:line-spanner::calc-left-bound-info)
1866 (right-bound-info . ,ly:line-spanner::calc-right-bound-info)
1867 (bound-details . ((left . ((Y . 0)
1869 (attach-dir . ,LEFT)
1875 (stencil . ,ly:line-spanner::print)
1877 (meta . ((class . Spanner)
1878 (interfaces . (line-spanner-interface
1879 side-position-interface
1880 font-interface))))))
1884 (control-points . ,ly:tie::calc-control-points)
1885 (springs-and-rods . ,ly:spanner::set-spacing-rods)
1886 (avoid-slur . inside)
1887 (direction . ,ly:tie::calc-direction)
1888 (stencil . ,ly:tie::print)
1891 ;; for a full list, see tie-details.cc
1893 (center-staff-line-clearance . 0.6)
1894 (tip-staff-line-clearance . 0.45)
1895 (note-head-gap . 0.2)
1897 (height-limit . 1.0)
1898 (horizontal-distance-penalty-factor . 10)
1899 (same-dir-as-stem-penalty . 8)
1900 (min-length-penalty-factor . 26)
1901 (tie-tie-collision-distance . 0.45)
1902 (tie-tie-collision-penalty . 25.0)
1903 (intra-space-threshold . 1.25)
1904 (outer-tie-vertical-distance-symmetry-penalty-factor . 10)
1905 (outer-tie-length-symmetry-penalty-factor . 10)
1906 (vertical-distance-penalty-factor . 7)
1907 (outer-tie-vertical-gap . 0.25)
1908 (multi-tie-region-size . 1)
1909 (single-tie-region-size . 4)
1910 (between-length-limit . 1.0)))
1913 (line-thickness . 0.8)
1914 (meta . ((class . Spanner)
1915 (interfaces . (tie-interface))))
1920 (positioning-done . ,ly:tie-column::calc-positioning-done)
1921 (before-line-breaking . ,ly:tie-column::before-line-breaking)
1924 (meta . ((class . Spanner)
1925 (interfaces . (tie-column-interface))))))
1929 (stencil . ,ly:time-signature::print)
1930 (break-align-symbol . time-signature)
1932 . ,ly:break-aligned-interface::calc-extent-aligned-anchor)
1933 (break-visibility . ,all-visible)
1934 (avoid-slur . inside)
1936 (first-note . (fixed-space . 2.0))
1937 (right-edge . (extra-space . 0.5))
1938 (staff-bar . (minimum-space . 2.0))))
1941 (meta . ((class . Item)
1942 (interfaces . (time-signature-interface
1943 break-aligned-interface
1944 font-interface))))))
1948 (left-bound-info . ,ly:line-spanner::calc-left-bound-info)
1949 (right-bound-info . ,ly:line-spanner::calc-right-bound-info)
1951 (bound-details . ((left . ((text . ,(make-translate-scaled-markup
1953 (make-musicglyph-markup "scripts.trill")))
1955 (stencil-offset . (-0.5 . 0))
1957 (attach-dir . ,CENTER)
1958 ;; this isn't CENTER because the trill glyph's origin
1959 ;; is not centered in its extent; to have the trill
1960 ;; spanner aligned the same as a trill, we need a slight offset
1961 (anchor-alignment . 0.15)
1963 (left-broken . ((end-on-note . #t)))
1967 (stencil . ,ly:line-spanner::print)
1970 (staff-padding . 1.0)
1973 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1975 (outside-staff-priority . 50)
1976 (meta . ((class . Spanner)
1977 (interfaces . (line-spanner-interface
1979 trill-spanner-interface
1980 side-position-interface
1981 font-interface))))))
1983 (TrillPitchAccidental
1984 . ((X-offset . ,ly:side-position-interface::x-aligned-side)
1989 (stencil . ,ly:accidental-interface::print)
1990 (Y-extent . ,ly:accidental-interface::height)
1991 (glyph-name-alist . ,standard-alteration-glyph-name-alist)
1992 (meta . ((class . Item)
1993 (interfaces . (trill-pitch-accidental-interface
1994 accidental-interface
1995 side-position-interface
1996 font-interface))))))
1999 . ((X-offset . ,ly:side-position-interface::x-aligned-side)
2002 (stencil . ,parenthesize-elements)
2003 (stencils . ,parentheses-item::calc-parenthesis-stencils)
2004 (direction . ,RIGHT)
2007 (meta . ((class . Item)
2008 (interfaces . (side-position-interface
2009 parentheses-interface
2011 rhythmic-head-interface
2013 axis-group-interface))))))
2017 (stencil . ,ly:note-head::print)
2019 (Y-offset . ,ly:staff-symbol-referencer::callback)
2021 (meta . ((class . Item)
2022 (interfaces . (rhythmic-head-interface
2024 pitched-trill-interface
2026 staff-symbol-referencer-interface))))))
2032 (edge-height . (0.7 . 0.7))
2033 (shorten-pair . (-0.2 . -0.2))
2034 (staff-padding . 0.25)
2035 (direction . ,ly:tuplet-bracket::calc-direction)
2036 (positions . ,ly:tuplet-bracket::calc-positions)
2037 (connect-to-neighbor . ,ly:tuplet-bracket::calc-connect-to-neighbors)
2038 (control-points . ,ly:tuplet-bracket::calc-control-points)
2039 (stencil . ,ly:tuplet-bracket::print)
2040 (cross-staff . ,ly:tuplet-bracket::calc-cross-staff)
2042 (meta . ((class . Spanner)
2043 (interfaces . (line-interface
2044 tuplet-bracket-interface))))))
2048 (stencil . ,ly:tuplet-number::print)
2049 (text . ,tuplet-number::calc-denominator-text)
2050 (font-shape . italic)
2052 (avoid-slur . inside)
2053 (cross-staff . ,ly:tuplet-number::calc-cross-staff)
2054 (meta . ((class . Spanner)
2055 (interfaces . (text-interface tuplet-number-interface
2056 font-interface))))))
2060 (stencil . ,ly:text-interface::print)
2061 (font-shape . italic)
2062 (extra-spacing-width . (+inf.0 . -inf.0))
2063 (self-alignment-X . 0)
2064 (direction . ,RIGHT)
2065 (padding . 0.0) ;; padding relative to UnaCordaPedalLineSpanner
2066 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
2067 (meta . ((class . Item)
2068 (interfaces . (text-interface
2069 piano-pedal-script-interface
2070 self-alignment-interface
2071 font-interface))))))
2073 (UnaCordaPedalLineSpanner
2076 (Y-extent . ,ly:axis-group-interface::height)
2077 (X-extent . ,ly:axis-group-interface::width)
2078 (Y-offset . ,ly:side-position-interface::y-aligned-side)
2079 (outside-staff-priority . 1000)
2082 (staff-padding . 1.2)
2083 (minimum-space . 1.0)
2085 (meta . ((class . Spanner)
2086 (interfaces . (piano-pedal-interface
2087 axis-group-interface
2088 side-position-interface))))))
2094 (stencil . ,ly:vaticana-ligature::print)
2095 (meta . ((class . Spanner)
2096 (interfaces . (vaticana-ligature-interface
2097 font-interface))))))
2102 (positioning-done . ,ly:align-interface::calc-positioning-done)
2103 (after-line-breaking . ,ly:align-interface::stretch-after-break)
2104 (Y-extent . ,ly:axis-group-interface::height)
2105 (X-extent . ,ly:axis-group-interface::width)
2108 (vertical-skylines . ,ly:axis-group-interface::combine-skylines)
2110 (meta . ((class . Spanner)
2111 (object-callbacks . ((Y-common . ,ly:axis-group-interface::calc-y-common)))
2112 (interfaces . (align-interface
2113 axis-group-interface))))))
2117 (Y-offset . ,ly:hara-kiri-group-spanner::force-hara-kiri-callback)
2118 (Y-extent . ,ly:hara-kiri-group-spanner::y-extent)
2119 (X-extent . ,ly:axis-group-interface::width)
2120 (vertical-skylines . ,ly:hara-kiri-group-spanner::calc-skylines)
2121 (max-stretch . ,ly:axis-group-interface::calc-max-stretch)
2122 (stencil . ,ly:axis-group-interface::print)
2123 (adjacent-pure-heights . ,ly:axis-group-interface::adjacent-pure-heights)
2124 (meta . ((class . Spanner)
2125 (object-callbacks . ((X-common . ,ly:axis-group-interface::calc-x-common)))
2126 (interfaces . (axis-group-interface
2127 hara-kiri-group-spanner-interface
2128 vertically-spaceable-interface))))))
2133 (stencil . ,ly:volta-bracket-interface::print)
2134 (font-encoding . fetaNumber)
2135 (thickness . 1.6) ;; line-thickness
2136 (edge-height . (2.0 . 2.0)) ;; staff-space;
2139 (meta . ((class . Spanner)
2140 (interfaces . (volta-bracket-interface
2141 horizontal-bracket-interface
2144 side-position-interface
2148 (VoltaBracketSpanner
2154 (Y-offset . ,ly:side-position-interface::y-aligned-side)
2155 (outside-staff-priority . 100)
2156 (Y-extent . ,ly:axis-group-interface::height)
2157 (X-extent . ,ly:axis-group-interface::width)
2158 (no-alignment . ,#t)
2159 (meta . ((class . Spanner)
2160 (interfaces . (side-position-interface
2161 axis-group-interface)))
2171 (bound-details . ((right . ((attach-dir . ,CENTER)
2174 (left . ((attach-dir . ,CENTER)
2178 (stencil . ,ly:line-spanner::print)
2179 (left-bound-info . ,ly:line-spanner::calc-left-bound-info)
2180 (right-bound-info . ,ly:line-spanner::calc-right-bound-info)
2181 (meta . ((class . Spanner)
2182 (interfaces . (line-spanner-interface
2188 (define (completize-grob-entry x)
2189 "Transplant assoc key into 'name entry of 'meta of X. Set interfaces for Item, Spanner etc.
2191 ;; (display (car x))
2193 (let* ((name-sym (car x))
2194 (grob-entry (cdr x))
2195 (meta-entry (cdr (assoc 'meta grob-entry)))
2196 (class (cdr (assoc 'class meta-entry)))
2198 (cdr (assoc 'interfaces meta-entry))))
2202 (set! ifaces-entry (cons 'item-interface ifaces-entry)))
2203 ((eq? 'Spanner class)
2204 (set! ifaces-entry (cons 'spanner-interface ifaces-entry)))
2205 ((eq? 'Paper_column class)
2206 (set! ifaces-entry (cons 'item-interface
2207 (cons 'paper-column-interface ifaces-entry))))
2208 ((eq? 'System class)
2209 (set! ifaces-entry (cons 'system-interface
2210 (cons 'spanner-interface ifaces-entry))))
2212 (ly:warning "Unknown class ~a" class)))
2214 (set! ifaces-entry (uniq-list (sort ifaces-entry symbol<?)))
2215 (set! ifaces-entry (cons 'grob-interface ifaces-entry))
2217 (set! meta-entry (assoc-set! meta-entry 'name name-sym))
2218 (set! meta-entry (assoc-set! meta-entry 'interfaces
2220 (set! grob-entry (assoc-set! grob-entry 'meta meta-entry))
2221 (cons name-sym grob-entry)))
2223 (set! all-grob-descriptions (map completize-grob-entry all-grob-descriptions))
2225 ;; (display (map pair? all-grob-descriptions))
2227 ;; make sure that \property Foo.Bar =\turnOff doesn't complain
2230 ;; (display (car x)) (newline)
2232 (set-object-property! (car x) 'translation-type? list?)
2233 (set-object-property! (car x) 'is-grob? #t))
2234 all-grob-descriptions)
2236 (set! all-grob-descriptions (sort all-grob-descriptions alist<?))
2238 (define pure-print-callbacks
2240 print-circled-text-callback
2243 ly:arpeggio::brew-chord-bracket
2248 ly:text-interface::print
2249 ly:script-interface::print))
2251 ;; ly:grob::stencil-extent is safe iff the print callback is safe too
2252 (define (pure-stencil-height grob start stop)
2253 (let ((sten (ly:grob-property-data grob 'stencil)))
2256 (memq sten pure-print-callbacks))
2257 (ly:grob::stencil-height grob)
2260 (define pure-conversions-alist
2262 (,ly:accidental-interface::height . ,ly:accidental-interface::pure-height)
2263 (,ly:arpeggio::height . ,ly:arpeggio::pure-height)
2264 (,ly:slur::outside-slur-callback . ,ly:slur::pure-outside-slur-callback)
2265 (,ly:stem::height . ,ly:stem::pure-height)
2266 (,ly:rest::height . ,ly:rest::pure-height)
2267 (,ly:grob::stencil-height . ,pure-stencil-height)
2268 (,ly:side-position-interface::y-aligned-side . ,ly:side-position-interface::pure-y-aligned-side)
2269 (,ly:axis-group-interface::height . ,ly:axis-group-interface::pure-height)
2270 (,ly:hara-kiri-group-spanner::y-extent . ,ly:hara-kiri-group-spanner::pure-height)
2271 (,ly:slur::height . ,ly:slur::pure-height)
2272 (,ly:side-position-interface::y-aligned-side . ,ly:side-position-interface::pure-y-aligned-side)))
2274 (define pure-functions
2276 parenthesize-elements
2277 ly:rest::y-offset-callback
2278 ly:staff-symbol-referencer::callback
2279 ly:staff-symbol::height))
2281 (define-public (pure-relevant? grob)
2282 (let ((extent-callback (ly:grob-property-data grob 'Y-extent)))
2285 (pair? extent-callback)
2286 (memq extent-callback pure-functions)
2288 (pair? (assq extent-callback pure-conversions-alist))
2291 (not (eq? extent-callback ly:grob::stencil-height))
2292 (memq (ly:grob-property-data grob 'stencil) pure-print-callbacks)
2293 (ly:stencil? (ly:grob-property-data grob 'stencil))
2297 (define-public (call-pure-function unpure args start end)
2298 (if (ly:simple-closure? unpure)
2299 (ly:eval-simple-closure (car args) unpure start end)
2300 (if (not (procedure? unpure))
2302 (if (memq unpure pure-functions)
2304 (let ((pure (assq unpure pure-conversions-alist)))
2308 (list (car args) start end)