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)
706 (text . ,fingering::calc-text)
707 (font-encoding . fetaNumber)
708 (font-size . -5) ; don't overlap when next to heads.
709 (meta . ((class . Item)
710 (interfaces . (finger-interface
712 text-script-interface
714 side-position-interface
715 self-alignment-interface
718 . ((stencil . ,fret-board::calc-stencil)
719 (finger-code . below-string)
720 (meta . ((class . Item)
721 (interfaces . (fret-diagram-interface
729 (zigzag-width . 0.75)
732 (bound-details . ((right . ((attach-dir . ,CENTER)
735 (left . ((attach-dir . ,CENTER)
739 (stencil . ,ly:line-spanner::print)
740 (left-bound-info . ,ly:line-spanner::calc-left-bound-info)
741 (right-bound-info . ,ly:line-spanner::calc-right-bound-info)
742 (meta . ((class . Spanner)
743 (interfaces . (line-interface
744 unbreakable-spanner-interface
745 line-spanner-interface))))))
749 (common-shortest-duration . ,grace-spacing::calc-shortest-duration)
750 (spacing-increment . 0.8)
751 (shortest-duration-space . 1.6)
752 (meta . ((class . Spanner)
753 (interfaces . (grace-spacing-interface
755 spacing-options-interface
756 spanner-interface))))))
761 (meta . ((class . Item)
762 (interfaces . (grid-point-interface))))))
766 (X-extent . ,ly:grid-line-interface::width)
767 (stencil . ,ly:grid-line-interface::print)
768 (self-alignment-X . ,CENTER)
769 (X-offset . ,(ly:make-simple-closure
770 `(,+ ,(ly:make-simple-closure
771 (list ly:self-alignment-interface::centered-on-x-parent))
772 ,(ly:make-simple-closure
773 (list ly:self-alignment-interface::x-aligned-on-self)))))
775 (meta . ((class . Item)
776 (interfaces . (self-alignment-interface
777 grid-line-interface))))))
781 (stencil . ,ly:hairpin::print)
782 (springs-and-rods . ,ly:spanner::set-spacing-rods)
783 (after-line-breaking . ,ly:hairpin::after-line-breaking)
784 (grow-direction . ,hairpin::calc-grow-direction)
788 (minimum-length . 2.0)
789 (bound-padding . 1.0)
790 (self-alignment-Y . 0)
791 (Y-offset . ,ly:self-alignment-interface::y-aligned-on-self)
792 (meta . ((class . Spanner)
793 (interfaces . (hairpin-interface
795 self-alignment-interface
797 spanner-interface))))))
802 (stencil . ,ly:horizontal-bracket::print)
803 (Y-offset . ,ly:side-position-interface::y-aligned-side)
804 (connect-to-neighbor . ,ly:tuplet-bracket::calc-connect-to-neighbors)
807 (staff-padding . 0.2)
810 (bracket-flare . (0.5 . 0.5))
811 (meta . ((class . Spanner)
812 (interfaces . (horizontal-bracket-interface
813 side-position-interface
815 spanner-interface))))))
819 (stencil . ,ly:system-start-text::print)
820 (X-offset . ,ly:side-position-interface::x-aligned-side)
822 (self-alignment-Y . ,CENTER)
823 (self-alignment-X . ,CENTER)
824 (meta . ((class . Spanner)
825 (interfaces . (system-start-text-interface
826 side-position-interface
832 (stencil . ,ly:text-interface::print)
833 (Y-offset . ,ly:side-position-interface::y-aligned-side)
834 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
838 (self-alignment-X . ,CENTER)
839 (meta . ((class . Item)
840 (interfaces . (side-position-interface
845 (stencil . ,ly:key-signature-interface::print)
846 (glyph-name-alist . ,cancellation-glyph-name-alist)
848 (time-signature . (extra-space . 1.25))
849 (staff-bar . (extra-space . 0.6))
850 (key-signature . (extra-space . 0.5))
851 (right-edge . (extra-space . 0.5))
852 (first-note . (fixed-space . 2.5))))
853 (Y-offset . ,ly:staff-symbol-referencer::callback)
854 (break-align-symbol . key-cancellation)
855 (break-visibility . ,begin-of-line-invisible)
857 (meta . ((class . Item)
858 (interfaces . (key-cancellation-interface
859 key-signature-interface
861 break-aligned-interface))))))
864 (stencil . ,ly:key-signature-interface::print)
865 (avoid-slur . inside)
866 (glyph-name-alist . ,standard-alteration-glyph-name-alist)
868 (time-signature . (extra-space . 1.15))
869 (staff-bar . (extra-space . 1.1))
870 (right-edge . (extra-space . 0.5))
871 (first-note . (fixed-space . 2.5))))
872 (Y-offset . ,ly:staff-symbol-referencer::callback)
873 (break-align-symbol . key-signature)
874 (break-align-anchor . ,ly:break-aligned-interface::calc-extent-aligned-anchor)
875 (break-visibility . ,begin-of-line-visible)
877 (meta . ((class . Item)
878 (interfaces . (key-signature-interface
880 break-aligned-interface))))))
885 (stencil . ,ly:tie::print)
886 (control-points . ,ly:semi-tie::calc-control-points)
887 (direction . ,ly:tie::calc-direction)
888 (details . ((ratio . 0.333)
889 (height-limit . 1.0)))
890 (head-direction . ,LEFT)
892 (meta . ((class . Item)
893 (interfaces . (semi-tie-interface))
897 (LaissezVibrerTieColumn
901 (head-direction . ,LEFT)
902 (positioning-done . ,ly:semi-tie-column::calc-positioning-done)
903 (meta . ((class . Item)
904 (interfaces . (semi-tie-column-interface))
910 (springs-and-rods . ,ly:ledger-line-spanner::set-spacing-rods)
911 (stencil . ,ly:ledger-line-spanner::print)
914 (minimum-length-fraction . 0.25)
915 (length-fraction . 0.25)
917 (meta . ((class . Spanner)
918 (interfaces . (ledger-line-spanner-interface))))))
922 (break-align-symbol . left-edge)
923 (break-align-anchor . ,ly:break-aligned-interface::calc-extent-aligned-anchor)
926 (break-visibility . ,center-invisible)
928 (custos . (extra-space . 0.0))
929 (ambitus . (extra-space . 2.0))
930 (time-signature . (extra-space . 1.0))
931 (staff-bar . (extra-space . 0.0))
932 (breathing-sign . (minimum-space . 0.0))
933 (clef . (extra-space . 0.8))
934 (first-note . (fixed-space . 2.0))
935 (right-edge . (extra-space . 0.0))
936 (key-signature . (extra-space . 0.0))
937 (key-cancellation . (extra-space . 0.0))
939 (meta . ((class . Item)
940 (interfaces . (break-aligned-interface))))))
944 ;; ugh. A ligature bracket is totally different from
949 (edge-height . (0.7 . 0.7))
950 (shorten-pair . (-0.2 . -0.2))
952 (positions . ,ly:tuplet-bracket::calc-positions)
953 (stencil . ,ly:tuplet-bracket::print)
954 (staff-padding . 0.25)
955 (connect-to-neighbor . ,ly:tuplet-bracket::calc-connect-to-neighbors)
956 (control-points . ,ly:tuplet-bracket::calc-control-points)
957 (meta . ((class . Spanner)
958 (interfaces . (line-interface
959 tuplet-bracket-interface))))))
964 (stencil . ,ly:lyric-extender::print)
965 (thickness . 0.8) ; line-thickness
966 (minimum-length . 1.5)
968 (meta . ((class . Spanner)
969 (interfaces . (lyric-interface
970 lyric-extender-interface))))))
978 (minimum-length . 0.3)
979 (minimum-distance . 0.1)
981 (springs-and-rods . ,ly:lyric-hyphen::set-spacing-rods)
982 (stencil . ,ly:lyric-hyphen::print)
984 (meta . ((class . Spanner)
985 (interfaces . (lyric-interface
987 lyric-hyphen-interface
988 spanner-interface))))))
991 . ((minimum-distance . 0.45)
992 (springs-and-rods . ,ly:lyric-hyphen::set-spacing-rods)
996 (meta . ((class . Spanner)
997 (interfaces . (spanner-interface
998 lyric-hyphen-interface ))
1004 (stencil . ,lyric-text::print)
1005 (text . ,(grob::calc-property-by-copy 'text))
1006 (X-offset . ,ly:self-alignment-interface::aligned-on-x-parent)
1007 (self-alignment-X . 0)
1009 (font-series . bold-narrow)
1011 (extra-spacing-width . (0.0 . 0.0))
1012 (meta . ((class . Item)
1013 (interfaces . (rhythmic-grob-interface
1014 lyric-syllable-interface
1015 self-alignment-interface
1017 font-interface))))))
1022 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1024 (stencil . ,ly:measure-grouping::print)
1030 (meta . ((class . Spanner)
1031 (interfaces . (side-position-interface
1032 measure-grouping-interface))))))
1036 (neutral-direction . ,DOWN)
1037 (meta . ((class . Item)
1038 (interfaces . (melody-spanner-interface ))))))
1043 (stencil . ,ly:mensural-ligature::print)
1044 (meta . ((class . Spanner)
1045 (interfaces . (mensural-ligature-interface
1046 font-interface))))))
1050 (stencil . ,ly:text-interface::print)
1051 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1055 (extra-spacing-width . (+inf.0 . -inf.0))
1056 (outside-staff-priority . 1000)
1057 (meta . ((class . Item)
1058 (interfaces . (text-interface
1059 side-position-interface
1061 metronome-mark-interface))))))
1066 (stencil . ,ly:multi-measure-rest::print)
1067 (springs-and-rods . ,ly:multi-measure-rest::set-spacing-rods)
1068 (Y-offset . ,ly:staff-symbol-referencer::callback)
1069 (staff-position . 0)
1071 (thick-thickness . 6.6)
1072 (hair-thickness . 2.0)
1074 (meta . ((class . Spanner)
1075 (interfaces . (multi-measure-rest-interface
1076 multi-measure-interface
1079 staff-symbol-referencer-interface))))))
1082 (MultiMeasureRestNumber
1084 (bound-padding . 2.0)
1085 (springs-and-rods . ,ly:multi-measure-rest::set-text-rods)
1086 (stencil . ,ly:text-interface::print)
1087 (X-offset . ,(ly:make-simple-closure
1088 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self))
1089 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-centered-on-y-parent)))))
1090 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1092 (self-alignment-X . 0)
1095 (staff-padding . 0.4)
1096 (font-encoding . fetaNumber)
1097 (meta . ((class . Spanner)
1098 (interfaces . (side-position-interface
1099 multi-measure-interface
1100 self-alignment-interface
1105 (MultiMeasureRestText
1107 (stencil . ,ly:text-interface::print)
1108 (X-offset . ,(ly:make-simple-closure
1109 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-centered-on-y-parent))
1110 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self)))))
1112 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1113 (self-alignment-X . 0)
1116 (staff-padding . 0.25)
1117 (outside-staff-priority . 450)
1118 (meta . ((class . Spanner)
1119 (interfaces . (side-position-interface
1120 multi-measure-interface
1121 self-alignment-interface
1123 text-interface))))))
1125 (NonMusicalPaperColumn
1127 (allow-loose-spacing . #t)
1129 (before-line-breaking . ,ly:paper-column::before-line-breaking)
1130 (X-extent . ,ly:axis-group-interface::width)
1131 (horizontal-skylines . ,ly:separation-item::calc-skylines)
1132 ;; (stencil . ,ly:paper-column::print)
1135 (line-break-permission . allow)
1136 (page-break-permission . allow)
1138 ;; debugging stuff: print column number.
1139 ;; (font-size . -6) (font-name . "sans") (Y-extent . #f)
1141 (meta . ((class . Paper_column)
1142 (interfaces . (paper-column-interface
1143 axis-group-interface
1144 separation-item-interface
1145 spaceable-grob-interface))))))
1150 (X-extent . ,ly:axis-group-interface::width)
1151 (Y-extent . ,ly:axis-group-interface::height)
1152 (positioning-done . ,ly:note-collision-interface::calc-positioning-done)
1153 (meta . ((class . Item)
1154 (interfaces . (note-collision-interface
1155 axis-group-interface))))))
1160 (X-extent . ,ly:axis-group-interface::width)
1161 (Y-extent . ,ly:axis-group-interface::height)
1162 (horizontal-skylines . ,ly:separation-item::calc-skylines)
1163 (meta . ((class . Item)
1164 (interfaces . (axis-group-interface
1165 separation-item-interface
1166 note-column-interface))))))
1170 (stencil . ,ly:note-head::print)
1171 (duration-log . ,note-head::calc-duration-log)
1172 (stem-attachment . ,ly:note-head::calc-stem-attachment)
1173 (glyph-name . ,note-head::calc-glyph-name)
1174 (Y-offset . ,ly:staff-symbol-referencer::callback)
1175 (X-offset . ,ly:note-head::stem-x-shift)
1176 (meta . ((class . Item)
1177 (interfaces . (rhythmic-grob-interface
1178 rhythmic-head-interface
1182 staff-symbol-referencer-interface))))))
1186 (stem-spacing-correction . 0.5)
1187 (same-direction-correction . 0.25)
1188 (space-to-barline . #t)
1189 ;; Changed this from 0.75.
1190 ;; If you ever change this back, please document! --hwn
1191 (knee-spacing-correction . 1.0)
1192 (meta . ((class . Item)
1193 (interfaces . (spacing-interface
1194 note-spacing-interface))))))
1198 (stencil . ,ly:text-interface::print)
1199 (meta . ((class . Item)
1200 (interfaces . (note-name-interface
1202 font-interface))))))
1206 (self-alignment-X . 0)
1207 (break-visibility . ,begin-of-line-visible)
1208 (X-offset . ,(ly:make-simple-closure
1209 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self))
1210 ,(ly:make-simple-closure (list ly:self-alignment-interface::centered-on-x-parent)))))
1212 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1213 (stencil . ,ly:text-interface::print)
1214 (font-shape . italic)
1215 (staff-padding . 0.2)
1217 (meta . ((class . Item)
1218 (interfaces . (text-interface
1219 self-alignment-interface
1220 side-position-interface
1221 font-interface))))))
1225 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1226 (stencil . ,ly:ottava-bracket::print)
1227 (font-shape . italic)
1228 (shorten-pair . (0.0 . -0.6))
1229 (staff-padding . 1.0)
1231 (minimum-length . 1.0)
1232 (style . dashed-line)
1233 (dash-fraction . 0.3)
1234 (edge-height . (0 . 1.2))
1236 (outside-staff-priority . 400)
1237 (meta . ((class . Spanner)
1238 (interfaces . (ottava-bracket-interface
1239 horizontal-bracket-interface
1241 side-position-interface
1243 text-interface))))))
1248 (allow-loose-spacing . #t)
1249 (before-line-breaking . ,ly:paper-column::before-line-breaking)
1250 (horizontal-skylines . ,ly:separation-item::calc-skylines)
1251 ;; (stencil . ,ly:paper-column::print)
1252 (X-extent . ,ly:axis-group-interface::width)
1255 ;; (font-size . -6) (font-name . "sans") (Y-extent . #f)
1256 (meta . ((class . Paper_column)
1257 (interfaces . (paper-column-interface
1258 separation-item-interface
1259 axis-group-interface
1260 spaceable-grob-interface))))))
1263 . ((stencil . ,parentheses-item::print)
1264 (stencils . ,parentheses-item::calc-parenthesis-stencils)
1267 (meta . ((class . Item)
1268 (interfaces . (parentheses-interface font-interface))))
1271 (HarmonicParenthesesItem
1272 . ((stencil . ,parentheses-item::print)
1274 (stencils . ,parentheses-item::calc-angled-bracket-stencils)
1275 (meta . ((class . Item)
1276 (interfaces . (parentheses-interface font-interface))))
1280 . ((details . ,default-slur-details)
1281 (control-points . ,ly:slur::calc-control-points)
1282 (direction . ,ly:slur::calc-direction)
1283 (springs-and-rods . ,ly:spanner::set-spacing-rods)
1284 (Y-extent . ,ly:slur::height)
1285 (stencil . ,ly:slur::print)
1287 (minimum-length . 1.5)
1288 (height-limit . 2.0)
1290 (cross-staff . ,ly:slur::calc-cross-staff)
1291 (meta . ((class . Spanner)
1292 (interfaces . (slur-interface))))))
1298 (springs-and-rods . ,ly:multi-measure-rest::set-spacing-rods)
1299 (stencil . ,ly:multi-measure-rest::percent)
1302 (font-encoding . fetaMusic)
1303 (meta . ((class . Spanner)
1304 (interfaces . (multi-measure-rest-interface
1306 percent-repeat-item-interface))))))
1307 (PercentRepeatCounter
1309 (stencil . ,ly:text-interface::print)
1310 (X-offset . ,(ly:make-simple-closure
1311 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-centered-on-y-parent))
1312 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self)))))
1313 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1314 (self-alignment-X . 0)
1317 (staff-padding . 0.25)
1319 (font-encoding . fetaNumber)
1320 (meta . ((class . Spanner)
1321 (interfaces . (side-position-interface
1322 self-alignment-interface
1323 percent-repeat-item-interface
1325 text-interface))))))
1327 ;; an example of a text spanner
1330 (stencil . ,ly:piano-pedal-bracket::print)
1332 (bound-padding . 1.0)
1334 (bracket-flare . (0.5 . 0.5))
1335 (edge-height . (1.0 . 1.0))
1336 (shorten-pair . (0.0 . 0.0))
1338 (meta . ((class . Spanner)
1339 (interfaces . (line-interface
1340 piano-pedal-interface
1341 piano-pedal-bracket-interface))))))
1345 (stencil . ,ly:text-interface::print)
1346 (X-offset . ,(ly:make-simple-closure
1348 ,(ly:make-simple-closure
1349 (list ly:break-alignable-interface::self-align-callback))
1350 ,(ly:make-simple-closure
1351 (list ly:self-alignment-interface::x-aligned-on-self)))))
1353 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1354 (extra-spacing-width . (+inf.0 . -inf.0))
1355 (self-alignment-X . 0)
1360 (break-visibility . ,end-of-line-invisible)
1361 (break-align-symbols . (staff-bar clef))
1363 (outside-staff-priority . 1500)
1364 (meta . ((class . Item)
1365 (interfaces . (text-interface
1366 side-position-interface
1367 break-alignable-interface
1370 self-alignment-interface))))))
1374 (stencil . ,ly:percent-repeat-item-interface::beat-slash)
1377 (meta . ((class . Item)
1378 (interfaces . (rhythmic-grob-interface
1379 percent-repeat-item-interface))))))
1383 (stencil . ,ly:tie::print)
1384 (control-points . ,ly:semi-tie::calc-control-points)
1385 (direction . ,ly:tie::calc-direction)
1386 (details . ((ratio . 0.333)
1387 (height-limit . 1.0)))
1389 (head-direction . ,RIGHT)
1390 (meta . ((class . Item)
1391 (interfaces . (semi-tie-interface))
1399 (direction . ,ly:tie::calc-direction)
1400 (head-direction . ,ly:semi-tie-column::calc-head-direction)
1402 (positioning-done . ,ly:semi-tie-column::calc-positioning-done)
1403 (meta . ((class . Item)
1404 (interfaces . (semi-tie-column-interface))
1410 (stencil . ,ly:rest::print)
1411 (duration-log . ,stem::calc-duration-log)
1412 (X-extent . ,ly:rest::width)
1413 (Y-extent . ,ly:rest::height)
1414 (Y-offset . ,ly:rest::y-offset-callback)
1415 (minimum-distance . 0.25)
1416 (meta . ((class . Item)
1417 (interfaces . (font-interface
1418 rhythmic-head-interface
1419 rhythmic-grob-interface
1420 staff-symbol-referencer-interface
1421 rest-interface))))))
1425 (minimum-distance . 0.75)
1426 (positioning-done . ,ly:rest-collision::calc-positioning-done)
1427 (meta . ((class . Item)
1428 (interfaces . (rest-collision-interface))))))
1432 ;; don't set direction here: it breaks staccato.
1434 ;; padding set in script definitions.
1435 (staff-padding . 0.25)
1436 (X-offset . ,script-interface::calc-x-offset)
1437 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1440 (stencil . ,ly:script-interface::print)
1441 (direction . ,ly:script-interface::calc-direction)
1442 (positioning-done . ,ly:script-interface::calc-positioning-done)
1443 (font-encoding . fetaMusic)
1444 (cross-staff . ,ly:script-interface::calc-cross-staff)
1445 (meta . ((class . Item)
1446 (interfaces . (script-interface
1447 side-position-interface
1448 font-interface))))))
1452 (before-line-breaking . ,ly:script-column::before-line-breaking)
1453 (meta . ((class . Item)
1454 (interfaces . (script-column-interface))))))
1457 (before-line-breaking . ,ly:script-column::row-before-line-breaking)
1458 (meta . ((class . Item)
1459 (interfaces . (script-column-interface))))))
1463 (avoid-slur . inside)
1464 (X-extent . ,ly:axis-group-interface::width)
1465 (Y-extent . ,ly:axis-group-interface::height)
1466 (horizontal-skylines . ,ly:separation-item::calc-skylines)
1467 (stencil . ,ly:separation-item::print)
1468 (meta . ((class . Item)
1470 separation-item-interface))))))
1473 . ((details . ,default-slur-details)
1474 (control-points . ,ly:slur::calc-control-points)
1475 (direction . ,ly:slur::calc-direction)
1476 (springs-and-rods . ,ly:spanner::set-spacing-rods)
1477 (Y-extent . ,ly:slur::height)
1478 (stencil . ,ly:slur::print)
1480 (line-thickness . 0.8)
1481 (minimum-length . 1.5)
1482 (height-limit . 2.0)
1484 (avoid-slur . inside)
1485 (cross-staff . ,ly:slur::calc-cross-staff)
1486 (meta . ((class . Spanner)
1487 (interfaces . (slur-interface))))))
1491 (stencil . ,ly:text-interface::print)
1492 (direction . ,RIGHT)
1493 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1494 (extra-spacing-width . (+inf.0 . -inf.0))
1495 (padding . 0.0) ;; padding relative to SostenutoPedalLineSpanner
1496 (font-shape . italic)
1497 (self-alignment-X . 0)
1498 (meta . ((class . Item)
1499 (interfaces . (text-interface
1500 self-alignment-interface
1501 piano-pedal-script-interface
1502 font-interface))))))
1504 (SostenutoPedalLineSpanner
1507 (Y-extent . ,ly:axis-group-interface::height)
1508 (X-extent . ,ly:axis-group-interface::width)
1509 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1510 (outside-staff-priority . 1000)
1512 (staff-padding . 1.0)
1514 (minimum-space . 1.0)
1516 (meta . ((class . Spanner)
1517 (interfaces . (piano-pedal-interface
1518 axis-group-interface
1519 side-position-interface))))))
1522 (springs-and-rods . ,ly:spacing-spanner::set-springs)
1523 (common-shortest-duration . ,ly:spacing-spanner::calc-common-shortest-duration)
1524 (average-spacing-wishes . #t)
1525 (shortest-duration-space . 2.0)
1526 (spacing-increment . 1.2)
1528 (base-shortest-duration . ,(ly:make-moment 3 16))
1529 (meta . ((class . Spanner)
1531 spacing-options-interface
1532 spacing-spanner-interface))))))
1536 (break-align-symbol . staff-bar)
1537 (Y-extent . ,ly:axis-group-interface::height)
1541 (stencil . ,ly:span-bar::print)
1542 (bar-size . ,ly:span-bar::calc-bar-size)
1543 (bar-extent . ,ly:axis-group-interface::height)
1544 (X-extent . ,ly:span-bar::width)
1545 (glyph-name . ,ly:span-bar::calc-glyph-name)
1546 (before-line-breaking . ,ly:span-bar::before-line-breaking)
1547 (allow-span-bar . #t)
1552 ;; Ross. page 151 lists other values, we opt for a leaner look
1556 (hair-thickness . 1.6)
1557 (thick-thickness . 6.0)
1558 (meta . ((class . Item)
1559 (interfaces . (span-bar-interface
1561 bar-line-interface))))))
1565 (stencil . ,ly:text-interface::print)
1566 (font-series . bold)
1568 (X-offset . ,ly:side-position-interface::x-aligned-side)
1571 (meta . ((class . Item)
1572 (interfaces . (side-position-interface
1573 stanza-number-interface
1575 font-interface))))))
1581 (stem-spacing-correction . 0.4)
1582 (meta . ((class . Item)
1583 (interfaces . (spacing-interface
1584 staff-spacing-interface))))))
1589 (Y-extent . ,ly:staff-symbol::height)
1590 (stencil . ,ly:staff-symbol::print)
1592 (ledger-line-thickness . (1.0 . 0.1))
1594 (meta . ((class . Spanner)
1595 (interfaces . (staff-symbol-interface))))))
1599 (direction . ,ly:stem::calc-direction)
1600 (duration-log . ,stem::calc-duration-log)
1601 (default-direction . ,ly:stem::calc-default-direction)
1602 (stem-end-position . ,ly:stem::calc-stem-end-position)
1604 (neutral-direction . ,DOWN)
1605 (stem-info . ,ly:stem::calc-stem-info)
1606 (positioning-done . ,ly:stem::calc-positioning-done)
1607 (stencil . ,ly:stem::print)
1608 (X-extent . ,ly:stem::width)
1609 (Y-extent . ,ly:stem::height)
1610 (length . ,ly:stem::calc-length)
1612 (cross-staff . ,ly:stem::calc-cross-staff)
1615 ;; 3.5 (or 3 measured from note head) is standard length
1616 ;; 32nd, 64th flagged stems should be longer
1617 (lengths . (3.5 3.5 3.5 4.5 5.0))
1619 ;; FIXME. 3.5 yields too long beams (according to Ross and
1620 ;; looking at Baerenreiter examples) for a number of common
1621 ;; boundary cases. Subtracting half a beam thickness fixes
1622 ;; this, but the bug may well be somewhere else.
1624 ;; FIXME this should come from 'lengths
1625 (beamed-lengths . (3.26 3.5 3.6))
1627 ;; The 'normal' minima
1628 (beamed-minimum-free-lengths . (1.83 1.5 1.25))
1629 ;(beamed-minimum-free-lengths . (2.0 1.83 1.25))
1631 ;; The 'extreme case' minima
1632 (beamed-extreme-minimum-free-lengths . (2.0 1.25))
1634 ;; Stems in unnatural (forced) direction should be shortened by
1635 ;; one staff space, according to [Roush & Gourlay].
1636 ;; Flagged stems we shorten only half a staff space.
1637 (stem-shorten . (1.0 0.5))
1641 ;; We use the normal minima as minimum for the ideal lengths,
1642 ;; and the extreme minima as abolute minimum length.
1644 (X-offset . ,ly:stem::offset-callback)
1645 (Y-offset . ,ly:staff-symbol-referencer::callback)
1646 (meta . ((class . Item)
1647 (interfaces . (stem-interface
1648 font-interface))))))
1652 (Y-extent . ,ly:stem-tremolo::height)
1653 (X-extent . ,ly:stem-tremolo::width)
1654 (stencil . ,ly:stem-tremolo::print)
1655 (slope . ,ly:stem-tremolo::calc-slope)
1656 (beam-width . ,ly:stem-tremolo::calc-width) ; staff-space
1657 (style . ,ly:stem-tremolo::calc-style)
1658 (beam-thickness . 0.48) ; staff-space
1659 (meta . ((class . Item)
1660 (interfaces . (stem-tremolo-interface))))))
1664 (stencil . ,print-circled-text-callback)
1665 (text . ,string-number::calc-text)
1667 (staff-padding . 0.5)
1668 (self-alignment-X . 0)
1669 (self-alignment-Y . 0)
1670 (script-priority . 100)
1671 (font-encoding . fetaNumber)
1672 (font-size . -5) ; don't overlap when next to heads.
1673 (meta . ((class . Item)
1674 (interfaces . (string-number-interface
1676 text-script-interface
1678 side-position-interface
1679 self-alignment-interface
1684 (stencil . ,ly:text-interface::print)
1685 (text . ,stroke-finger::calc-text)
1686 (digit-names . #("p" "i" "m" "a" "x"))
1688 (staff-padding . 0.5)
1689 (self-alignment-X . 0)
1690 (self-alignment-Y . 0)
1691 (script-priority . 100)
1692 (font-shape . italic)
1693 (font-size . -4) ; don't overlap when next to heads.
1694 (meta . ((class . Item)
1695 (interfaces . (stroke-finger-interface
1697 text-script-interface
1699 side-position-interface
1700 self-alignment-interface
1706 (extra-spacing-width . (+inf.0 . -inf.0))
1707 (stencil . ,ly:sustain-pedal::print)
1708 (self-alignment-X . 0)
1709 (direction . ,RIGHT)
1710 (padding . 0.0) ;; padding relative to SustainPedalLineSpanner
1711 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1712 (meta . ((class . Item)
1713 (interfaces . (piano-pedal-interface
1715 self-alignment-interface
1716 piano-pedal-script-interface
1717 font-interface))))))
1719 (SustainPedalLineSpanner
1722 (Y-extent . ,ly:axis-group-interface::height)
1723 (X-extent . ,ly:axis-group-interface::width)
1724 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1725 (outside-staff-priority . 1000)
1728 (staff-padding . 1.2)
1729 (minimum-space . 1.0)
1731 (meta . ((class . Spanner)
1732 (interfaces . (piano-pedal-interface
1733 axis-group-interface
1734 side-position-interface))))))
1739 (X-extent . ,ly:axis-group-interface::width)
1740 (Y-extent . ,ly:axis-group-interface::height)
1741 (vertical-skylines . ,ly:axis-group-interface::calc-skylines)
1742 (max-stretch . ,ly:axis-group-interface::calc-max-stretch)
1743 (meta . ((class . System)
1744 (interfaces . (system-interface
1745 axis-group-interface))))))
1751 (stencil . ,ly:system-start-delimiter::print)
1752 (collapse-height . 5.0)
1753 (X-offset . ,ly:side-position-interface::x-aligned-side)
1755 (font-encoding . fetaBraces)
1757 (meta . ((class . Spanner)
1758 (interfaces . (system-start-delimiter-interface
1759 side-position-interface
1760 font-interface))))))
1766 (X-offset . ,ly:side-position-interface::x-aligned-side)
1768 (stencil . ,ly:system-start-delimiter::print)
1769 (style . line-bracket)
1771 (meta . ((class . Spanner)
1772 (interfaces . (font-interface
1773 side-position-interface
1774 system-start-delimiter-interface))))))
1779 (X-offset . ,ly:side-position-interface::x-aligned-side)
1781 (stencil . ,ly:system-start-delimiter::print)
1783 (collapse-height . 5.0)
1785 (meta . ((class . Spanner)
1786 (interfaces . (font-interface
1787 side-position-interface
1788 system-start-delimiter-interface))))))
1795 (padding . -0.1) ;; bar must cover rounded ending of staff line.
1796 (X-offset . ,ly:side-position-interface::x-aligned-side)
1799 (collapse-height . 5.0)
1801 (stencil . ,ly:system-start-delimiter::print)
1802 (meta . ((class . Spanner)
1803 (interfaces . (side-position-interface
1804 system-start-delimiter-interface))))))
1808 (stencil . ,ly:text-interface::print)
1809 (Y-offset . ,ly:staff-symbol-referencer::callback)
1810 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1813 (stem-attachment . (0.0 . 1.35))
1814 (font-series . bold)
1815 (meta . ((class . Item)
1817 . (rhythmic-head-interface
1818 font-interface rhythmic-grob-interface
1820 staff-symbol-referencer-interface
1821 text-interface))))))
1825 (extra-spacing-width . (+inf.0 . -inf.0))
1826 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1827 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1831 ;; sync with Fingering ?
1833 (staff-padding . 0.5)
1835 (stencil . ,ly:text-interface::print)
1836 (direction . ,ly:script-interface::calc-direction)
1837 (positioning-done . ,ly:script-interface::calc-positioning-done)
1839 (outside-staff-priority . 450)
1840 (avoid-slur . around)
1841 (slur-padding . 0.5)
1842 (script-priority . 200)
1843 (cross-staff . ,ly:script-interface::calc-cross-staff)
1844 ;; todo: add X self alignment?
1845 (meta . ((class . Item)
1846 (interfaces . (text-script-interface
1848 side-position-interface
1849 font-interface))))))
1853 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1854 (font-shape . italic)
1855 (style . dashed-line)
1856 (staff-padding . 0.8)
1857 (dash-fraction . 0.2)
1861 (outside-staff-priority . 350)
1863 (left-bound-info . ,ly:line-spanner::calc-left-bound-info)
1864 (right-bound-info . ,ly:line-spanner::calc-right-bound-info)
1865 (bound-details . ((left . ((Y . 0)
1867 (attach-dir . ,LEFT)
1873 (stencil . ,ly:line-spanner::print)
1875 (meta . ((class . Spanner)
1876 (interfaces . (line-spanner-interface
1877 side-position-interface
1878 font-interface))))))
1882 (control-points . ,ly:tie::calc-control-points)
1883 (springs-and-rods . ,ly:spanner::set-spacing-rods)
1884 (avoid-slur . inside)
1885 (direction . ,ly:tie::calc-direction)
1886 (stencil . ,ly:tie::print)
1889 ;; for a full list, see tie-details.cc
1891 (center-staff-line-clearance . 0.6)
1892 (tip-staff-line-clearance . 0.45)
1893 (note-head-gap . 0.2)
1895 (height-limit . 1.0)
1896 (horizontal-distance-penalty-factor . 10)
1897 (same-dir-as-stem-penalty . 8)
1898 (min-length-penalty-factor . 26)
1899 (tie-tie-collision-distance . 0.45)
1900 (tie-tie-collision-penalty . 25.0)
1901 (intra-space-threshold . 1.25)
1902 (outer-tie-vertical-distance-symmetry-penalty-factor . 10)
1903 (outer-tie-length-symmetry-penalty-factor . 10)
1904 (vertical-distance-penalty-factor . 7)
1905 (outer-tie-vertical-gap . 0.25)
1906 (multi-tie-region-size . 1)
1907 (single-tie-region-size . 4)
1908 (between-length-limit . 1.0)))
1911 (line-thickness . 0.8)
1912 (meta . ((class . Spanner)
1913 (interfaces . (tie-interface))))
1918 (positioning-done . ,ly:tie-column::calc-positioning-done)
1919 (before-line-breaking . ,ly:tie-column::before-line-breaking)
1922 (meta . ((class . Spanner)
1923 (interfaces . (tie-column-interface))))))
1927 (stencil . ,ly:time-signature::print)
1928 (break-align-symbol . time-signature)
1930 . ,ly:break-aligned-interface::calc-extent-aligned-anchor)
1931 (break-visibility . ,all-visible)
1932 (avoid-slur . inside)
1934 (first-note . (fixed-space . 2.0))
1935 (right-edge . (extra-space . 0.5))
1936 (staff-bar . (minimum-space . 2.0))))
1939 (meta . ((class . Item)
1940 (interfaces . (time-signature-interface
1941 break-aligned-interface
1942 font-interface))))))
1946 (left-bound-info . ,ly:line-spanner::calc-left-bound-info)
1947 (right-bound-info . ,ly:line-spanner::calc-right-bound-info)
1949 (bound-details . ((left . ((text . ,(make-translate-scaled-markup
1951 (make-musicglyph-markup "scripts.trill")))
1953 (stencil-offset . (-0.5 . 0))
1955 (attach-dir . ,CENTER)
1956 ;; this isn't CENTER because the trill glyph's origin
1957 ;; is not centered in its extent; to have the trill
1958 ;; spanner aligned the same as a trill, we need a slight offset
1959 (anchor-alignment . 0.15)
1961 (left-broken . ((end-on-note . #t)))
1965 (stencil . ,ly:line-spanner::print)
1968 (staff-padding . 1.0)
1971 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1973 (outside-staff-priority . 50)
1974 (meta . ((class . Spanner)
1975 (interfaces . (line-spanner-interface
1977 trill-spanner-interface
1978 side-position-interface
1979 font-interface))))))
1981 (TrillPitchAccidental
1982 . ((X-offset . ,ly:side-position-interface::x-aligned-side)
1987 (stencil . ,ly:accidental-interface::print)
1988 (Y-extent . ,ly:accidental-interface::height)
1989 (glyph-name-alist . ,standard-alteration-glyph-name-alist)
1990 (meta . ((class . Item)
1991 (interfaces . (trill-pitch-accidental-interface
1992 accidental-interface
1993 side-position-interface
1994 font-interface))))))
1997 . ((X-offset . ,ly:side-position-interface::x-aligned-side)
2000 (stencil . ,parenthesize-elements)
2001 (stencils . ,parentheses-item::calc-parenthesis-stencils)
2002 (direction . ,RIGHT)
2005 (meta . ((class . Item)
2006 (interfaces . (side-position-interface
2007 parentheses-interface
2009 rhythmic-head-interface
2011 axis-group-interface))))))
2015 (stencil . ,ly:note-head::print)
2017 (Y-offset . ,ly:staff-symbol-referencer::callback)
2019 (meta . ((class . Item)
2020 (interfaces . (rhythmic-head-interface
2022 pitched-trill-interface
2024 staff-symbol-referencer-interface))))))
2030 (edge-height . (0.7 . 0.7))
2031 (shorten-pair . (-0.2 . -0.2))
2032 (staff-padding . 0.25)
2033 (direction . ,ly:tuplet-bracket::calc-direction)
2034 (positions . ,ly:tuplet-bracket::calc-positions)
2035 (connect-to-neighbor . ,ly:tuplet-bracket::calc-connect-to-neighbors)
2036 (control-points . ,ly:tuplet-bracket::calc-control-points)
2037 (stencil . ,ly:tuplet-bracket::print)
2038 (cross-staff . ,ly:tuplet-bracket::calc-cross-staff)
2040 (meta . ((class . Spanner)
2041 (interfaces . (line-interface
2042 tuplet-bracket-interface))))))
2046 (stencil . ,ly:tuplet-number::print)
2047 (text . ,tuplet-number::calc-denominator-text)
2048 (font-shape . italic)
2050 (avoid-slur . inside)
2051 (cross-staff . ,ly:tuplet-number::calc-cross-staff)
2052 (meta . ((class . Spanner)
2053 (interfaces . (text-interface tuplet-number-interface
2054 font-interface))))))
2058 (stencil . ,ly:text-interface::print)
2059 (font-shape . italic)
2060 (extra-spacing-width . (+inf.0 . -inf.0))
2061 (self-alignment-X . 0)
2062 (direction . ,RIGHT)
2063 (padding . 0.0) ;; padding relative to UnaCordaPedalLineSpanner
2064 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
2065 (meta . ((class . Item)
2066 (interfaces . (text-interface
2067 piano-pedal-script-interface
2068 self-alignment-interface
2069 font-interface))))))
2071 (UnaCordaPedalLineSpanner
2074 (Y-extent . ,ly:axis-group-interface::height)
2075 (X-extent . ,ly:axis-group-interface::width)
2076 (Y-offset . ,ly:side-position-interface::y-aligned-side)
2077 (outside-staff-priority . 1000)
2080 (staff-padding . 1.2)
2081 (minimum-space . 1.0)
2083 (meta . ((class . Spanner)
2084 (interfaces . (piano-pedal-interface
2085 axis-group-interface
2086 side-position-interface))))))
2092 (stencil . ,ly:vaticana-ligature::print)
2093 (meta . ((class . Spanner)
2094 (interfaces . (vaticana-ligature-interface
2095 font-interface))))))
2100 (positioning-done . ,ly:align-interface::calc-positioning-done)
2101 (after-line-breaking . ,ly:align-interface::stretch-after-break)
2102 (Y-extent . ,ly:axis-group-interface::height)
2103 (X-extent . ,ly:axis-group-interface::width)
2106 (vertical-skylines . ,ly:axis-group-interface::combine-skylines)
2108 (meta . ((class . Spanner)
2109 (object-callbacks . ((Y-common . ,ly:axis-group-interface::calc-y-common)))
2110 (interfaces . (align-interface
2111 axis-group-interface))))))
2115 (Y-offset . ,ly:hara-kiri-group-spanner::force-hara-kiri-callback)
2116 (Y-extent . ,ly:hara-kiri-group-spanner::y-extent)
2117 (X-extent . ,ly:axis-group-interface::width)
2118 (vertical-skylines . ,ly:hara-kiri-group-spanner::calc-skylines)
2119 (max-stretch . ,ly:axis-group-interface::calc-max-stretch)
2120 (stencil . ,ly:axis-group-interface::print)
2121 (adjacent-pure-heights . ,ly:axis-group-interface::adjacent-pure-heights)
2122 (meta . ((class . Spanner)
2123 (object-callbacks . ((X-common . ,ly:axis-group-interface::calc-x-common)))
2124 (interfaces . (axis-group-interface
2125 hara-kiri-group-spanner-interface
2126 vertically-spaceable-interface))))))
2131 (stencil . ,ly:volta-bracket-interface::print)
2132 (font-encoding . fetaNumber)
2133 (thickness . 1.6) ;; line-thickness
2134 (edge-height . (2.0 . 2.0)) ;; staff-space;
2137 (meta . ((class . Spanner)
2138 (interfaces . (volta-bracket-interface
2139 horizontal-bracket-interface
2142 side-position-interface
2146 (VoltaBracketSpanner
2152 (Y-offset . ,ly:side-position-interface::y-aligned-side)
2153 (outside-staff-priority . 100)
2154 (Y-extent . ,ly:axis-group-interface::height)
2155 (X-extent . ,ly:axis-group-interface::width)
2156 (no-alignment . ,#t)
2157 (meta . ((class . Spanner)
2158 (interfaces . (side-position-interface
2159 axis-group-interface)))
2169 (bound-details . ((right . ((attach-dir . ,CENTER)
2172 (left . ((attach-dir . ,CENTER)
2176 (stencil . ,ly:line-spanner::print)
2177 (left-bound-info . ,ly:line-spanner::calc-left-bound-info)
2178 (right-bound-info . ,ly:line-spanner::calc-right-bound-info)
2179 (meta . ((class . Spanner)
2180 (interfaces . (line-spanner-interface
2186 (define (completize-grob-entry x)
2187 "Transplant assoc key into 'name entry of 'meta of X. Set interfaces for Item, Spanner etc.
2189 ;; (display (car x))
2191 (let* ((name-sym (car x))
2192 (grob-entry (cdr x))
2193 (meta-entry (cdr (assoc 'meta grob-entry)))
2194 (class (cdr (assoc 'class meta-entry)))
2196 (cdr (assoc 'interfaces meta-entry))))
2200 (set! ifaces-entry (cons 'item-interface ifaces-entry)))
2201 ((eq? 'Spanner class)
2202 (set! ifaces-entry (cons 'spanner-interface ifaces-entry)))
2203 ((eq? 'Paper_column class)
2204 (set! ifaces-entry (cons 'item-interface
2205 (cons 'paper-column-interface ifaces-entry))))
2206 ((eq? 'System class)
2207 (set! ifaces-entry (cons 'system-interface
2208 (cons 'spanner-interface ifaces-entry))))
2210 (ly:warning "Unknown class ~a" class)))
2212 (set! ifaces-entry (uniq-list (sort ifaces-entry symbol<?)))
2213 (set! ifaces-entry (cons 'grob-interface ifaces-entry))
2215 (set! meta-entry (assoc-set! meta-entry 'name name-sym))
2216 (set! meta-entry (assoc-set! meta-entry 'interfaces
2218 (set! grob-entry (assoc-set! grob-entry 'meta meta-entry))
2219 (cons name-sym grob-entry)))
2221 (set! all-grob-descriptions (map completize-grob-entry all-grob-descriptions))
2223 ;; (display (map pair? all-grob-descriptions))
2225 ;; make sure that \property Foo.Bar =\turnOff doesn't complain
2228 ;; (display (car x)) (newline)
2230 (set-object-property! (car x) 'translation-type? list?)
2231 (set-object-property! (car x) 'is-grob? #t))
2232 all-grob-descriptions)
2234 (set! all-grob-descriptions (sort all-grob-descriptions alist<?))
2236 (define pure-print-callbacks
2238 print-circled-text-callback
2241 ly:arpeggio::brew-chord-bracket
2246 ly:text-interface::print
2247 ly:script-interface::print))
2249 ;; ly:grob::stencil-extent is safe iff the print callback is safe too
2250 (define (pure-stencil-height grob start stop)
2251 (let ((sten (ly:grob-property-data grob 'stencil)))
2254 (memq sten pure-print-callbacks))
2255 (ly:grob::stencil-height grob)
2258 (define pure-conversions-alist
2260 (,ly:accidental-interface::height . ,ly:accidental-interface::pure-height)
2261 (,ly:arpeggio::height . ,ly:arpeggio::pure-height)
2262 (,ly:slur::outside-slur-callback . ,ly:slur::pure-outside-slur-callback)
2263 (,ly:stem::height . ,ly:stem::pure-height)
2264 (,ly:rest::height . ,ly:rest::pure-height)
2265 (,ly:grob::stencil-height . ,pure-stencil-height)
2266 (,ly:side-position-interface::y-aligned-side . ,ly:side-position-interface::pure-y-aligned-side)
2267 (,ly:axis-group-interface::height . ,ly:axis-group-interface::pure-height)
2268 (,ly:hara-kiri-group-spanner::y-extent . ,ly:hara-kiri-group-spanner::pure-height)
2269 (,ly:slur::height . ,ly:slur::pure-height)
2270 (,ly:side-position-interface::y-aligned-side . ,ly:side-position-interface::pure-y-aligned-side)))
2272 (define pure-functions
2274 parenthesize-elements
2275 ly:rest::y-offset-callback
2276 ly:staff-symbol-referencer::callback
2277 ly:staff-symbol::height))
2279 (define-public (pure-relevant? grob)
2280 (let ((extent-callback (ly:grob-property-data grob 'Y-extent)))
2283 (pair? extent-callback)
2284 (memq extent-callback pure-functions)
2286 (pair? (assq extent-callback pure-conversions-alist))
2289 (not (eq? extent-callback ly:grob::stencil-height))
2290 (memq (ly:grob-property-data grob 'stencil) pure-print-callbacks)
2291 (ly:stencil? (ly:grob-property-data grob 'stencil))
2295 (define-public (call-pure-function unpure args start end)
2296 (if (ly:simple-closure? unpure)
2297 (ly:eval-simple-closure (car args) unpure start end)
2298 (if (not (procedure? unpure))
2300 (if (memq unpure pure-functions)
2302 (let ((pure (assq unpure pure-conversions-alist)))
2306 (list (car args) start end)