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 (prefer-dotted-right . #t)
1153 (positioning-done . ,ly:note-collision-interface::calc-positioning-done)
1154 (meta . ((class . Item)
1155 (interfaces . (note-collision-interface
1156 axis-group-interface))))))
1161 (X-extent . ,ly:axis-group-interface::width)
1162 (Y-extent . ,ly:axis-group-interface::height)
1163 (horizontal-skylines . ,ly:separation-item::calc-skylines)
1164 (meta . ((class . Item)
1165 (interfaces . (axis-group-interface
1166 separation-item-interface
1167 note-column-interface))))))
1171 (stencil . ,ly:note-head::print)
1172 (duration-log . ,note-head::calc-duration-log)
1173 (stem-attachment . ,ly:note-head::calc-stem-attachment)
1174 (glyph-name . ,note-head::calc-glyph-name)
1175 (Y-offset . ,ly:staff-symbol-referencer::callback)
1176 (X-offset . ,ly:note-head::stem-x-shift)
1177 (meta . ((class . Item)
1178 (interfaces . (rhythmic-grob-interface
1179 rhythmic-head-interface
1183 staff-symbol-referencer-interface))))))
1187 (stem-spacing-correction . 0.5)
1188 (same-direction-correction . 0.25)
1189 (space-to-barline . #t)
1190 ;; Changed this from 0.75.
1191 ;; If you ever change this back, please document! --hwn
1192 (knee-spacing-correction . 1.0)
1193 (meta . ((class . Item)
1194 (interfaces . (spacing-interface
1195 note-spacing-interface))))))
1199 (stencil . ,ly:text-interface::print)
1200 (meta . ((class . Item)
1201 (interfaces . (note-name-interface
1203 font-interface))))))
1207 (self-alignment-X . 0)
1208 (break-visibility . ,begin-of-line-visible)
1209 (X-offset . ,(ly:make-simple-closure
1210 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self))
1211 ,(ly:make-simple-closure (list ly:self-alignment-interface::centered-on-x-parent)))))
1213 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1214 (stencil . ,ly:text-interface::print)
1215 (font-shape . italic)
1216 (staff-padding . 0.2)
1218 (meta . ((class . Item)
1219 (interfaces . (text-interface
1220 self-alignment-interface
1221 side-position-interface
1222 font-interface))))))
1226 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1227 (stencil . ,ly:ottava-bracket::print)
1228 (font-shape . italic)
1229 (shorten-pair . (0.0 . -0.6))
1230 (staff-padding . 1.0)
1232 (minimum-length . 1.0)
1233 (style . dashed-line)
1234 (dash-fraction . 0.3)
1235 (edge-height . (0 . 1.2))
1237 (outside-staff-priority . 400)
1238 (meta . ((class . Spanner)
1239 (interfaces . (ottava-bracket-interface
1240 horizontal-bracket-interface
1242 side-position-interface
1244 text-interface))))))
1249 (allow-loose-spacing . #t)
1250 (before-line-breaking . ,ly:paper-column::before-line-breaking)
1251 (horizontal-skylines . ,ly:separation-item::calc-skylines)
1252 ;; (stencil . ,ly:paper-column::print)
1253 (X-extent . ,ly:axis-group-interface::width)
1256 ;; (font-size . -6) (font-name . "sans") (Y-extent . #f)
1257 (meta . ((class . Paper_column)
1258 (interfaces . (paper-column-interface
1259 separation-item-interface
1260 axis-group-interface
1261 spaceable-grob-interface))))))
1264 . ((stencil . ,parentheses-item::print)
1265 (stencils . ,parentheses-item::calc-parenthesis-stencils)
1268 (meta . ((class . Item)
1269 (interfaces . (parentheses-interface font-interface))))
1272 (HarmonicParenthesesItem
1273 . ((stencil . ,parentheses-item::print)
1275 (stencils . ,parentheses-item::calc-angled-bracket-stencils)
1276 (meta . ((class . Item)
1277 (interfaces . (parentheses-interface font-interface))))
1281 . ((details . ,default-slur-details)
1282 (control-points . ,ly:slur::calc-control-points)
1283 (direction . ,ly:slur::calc-direction)
1284 (springs-and-rods . ,ly:spanner::set-spacing-rods)
1285 (Y-extent . ,ly:slur::height)
1286 (stencil . ,ly:slur::print)
1288 (minimum-length . 1.5)
1289 (height-limit . 2.0)
1291 (cross-staff . ,ly:slur::calc-cross-staff)
1292 (meta . ((class . Spanner)
1293 (interfaces . (slur-interface))))))
1299 (springs-and-rods . ,ly:multi-measure-rest::set-spacing-rods)
1300 (stencil . ,ly:multi-measure-rest::percent)
1303 (font-encoding . fetaMusic)
1304 (meta . ((class . Spanner)
1305 (interfaces . (multi-measure-rest-interface
1307 percent-repeat-item-interface))))))
1308 (PercentRepeatCounter
1310 (stencil . ,ly:text-interface::print)
1311 (X-offset . ,(ly:make-simple-closure
1312 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-centered-on-y-parent))
1313 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self)))))
1314 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1315 (self-alignment-X . 0)
1318 (staff-padding . 0.25)
1320 (font-encoding . fetaNumber)
1321 (meta . ((class . Spanner)
1322 (interfaces . (side-position-interface
1323 self-alignment-interface
1324 percent-repeat-item-interface
1326 text-interface))))))
1328 ;; an example of a text spanner
1331 (stencil . ,ly:piano-pedal-bracket::print)
1333 (bound-padding . 1.0)
1335 (bracket-flare . (0.5 . 0.5))
1336 (edge-height . (1.0 . 1.0))
1337 (shorten-pair . (0.0 . 0.0))
1339 (meta . ((class . Spanner)
1340 (interfaces . (line-interface
1341 piano-pedal-interface
1342 piano-pedal-bracket-interface))))))
1346 (stencil . ,ly:text-interface::print)
1347 (X-offset . ,(ly:make-simple-closure
1349 ,(ly:make-simple-closure
1350 (list ly:break-alignable-interface::self-align-callback))
1351 ,(ly:make-simple-closure
1352 (list ly:self-alignment-interface::x-aligned-on-self)))))
1354 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1355 (extra-spacing-width . (+inf.0 . -inf.0))
1356 (self-alignment-X . 0)
1361 (break-visibility . ,end-of-line-invisible)
1362 (break-align-symbols . (staff-bar clef))
1364 (outside-staff-priority . 1500)
1365 (meta . ((class . Item)
1366 (interfaces . (text-interface
1367 side-position-interface
1368 break-alignable-interface
1371 self-alignment-interface))))))
1375 (stencil . ,ly:percent-repeat-item-interface::beat-slash)
1378 (meta . ((class . Item)
1379 (interfaces . (rhythmic-grob-interface
1380 percent-repeat-item-interface))))))
1384 (stencil . ,ly:tie::print)
1385 (control-points . ,ly:semi-tie::calc-control-points)
1386 (direction . ,ly:tie::calc-direction)
1387 (details . ((ratio . 0.333)
1388 (height-limit . 1.0)))
1390 (head-direction . ,RIGHT)
1391 (meta . ((class . Item)
1392 (interfaces . (semi-tie-interface))
1400 (direction . ,ly:tie::calc-direction)
1401 (head-direction . ,ly:semi-tie-column::calc-head-direction)
1403 (positioning-done . ,ly:semi-tie-column::calc-positioning-done)
1404 (meta . ((class . Item)
1405 (interfaces . (semi-tie-column-interface))
1411 (stencil . ,ly:rest::print)
1412 (duration-log . ,stem::calc-duration-log)
1413 (X-extent . ,ly:rest::width)
1414 (Y-extent . ,ly:rest::height)
1415 (Y-offset . ,ly:rest::y-offset-callback)
1416 (minimum-distance . 0.25)
1417 (meta . ((class . Item)
1418 (interfaces . (font-interface
1419 rhythmic-head-interface
1420 rhythmic-grob-interface
1421 staff-symbol-referencer-interface
1422 rest-interface))))))
1426 (minimum-distance . 0.75)
1427 (positioning-done . ,ly:rest-collision::calc-positioning-done)
1428 (meta . ((class . Item)
1429 (interfaces . (rest-collision-interface))))))
1433 ;; don't set direction here: it breaks staccato.
1435 ;; padding set in script definitions.
1436 (staff-padding . 0.25)
1437 (X-offset . ,script-interface::calc-x-offset)
1438 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1441 (stencil . ,ly:script-interface::print)
1442 (direction . ,ly:script-interface::calc-direction)
1443 (positioning-done . ,ly:script-interface::calc-positioning-done)
1444 (font-encoding . fetaMusic)
1445 (cross-staff . ,ly:script-interface::calc-cross-staff)
1446 (meta . ((class . Item)
1447 (interfaces . (script-interface
1448 side-position-interface
1449 font-interface))))))
1453 (before-line-breaking . ,ly:script-column::before-line-breaking)
1454 (meta . ((class . Item)
1455 (interfaces . (script-column-interface))))))
1458 (before-line-breaking . ,ly:script-column::row-before-line-breaking)
1459 (meta . ((class . Item)
1460 (interfaces . (script-column-interface))))))
1464 (avoid-slur . inside)
1465 (X-extent . ,ly:axis-group-interface::width)
1466 (Y-extent . ,ly:axis-group-interface::height)
1467 (horizontal-skylines . ,ly:separation-item::calc-skylines)
1468 (stencil . ,ly:separation-item::print)
1469 (meta . ((class . Item)
1471 separation-item-interface))))))
1474 . ((details . ,default-slur-details)
1475 (control-points . ,ly:slur::calc-control-points)
1476 (direction . ,ly:slur::calc-direction)
1477 (springs-and-rods . ,ly:spanner::set-spacing-rods)
1478 (Y-extent . ,ly:slur::height)
1479 (stencil . ,ly:slur::print)
1481 (line-thickness . 0.8)
1482 (minimum-length . 1.5)
1483 (height-limit . 2.0)
1485 (avoid-slur . inside)
1486 (cross-staff . ,ly:slur::calc-cross-staff)
1487 (meta . ((class . Spanner)
1488 (interfaces . (slur-interface))))))
1492 (stencil . ,ly:text-interface::print)
1493 (direction . ,RIGHT)
1494 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1495 (extra-spacing-width . (+inf.0 . -inf.0))
1496 (padding . 0.0) ;; padding relative to SostenutoPedalLineSpanner
1497 (font-shape . italic)
1498 (self-alignment-X . 0)
1499 (meta . ((class . Item)
1500 (interfaces . (text-interface
1501 self-alignment-interface
1502 piano-pedal-script-interface
1503 font-interface))))))
1505 (SostenutoPedalLineSpanner
1508 (Y-extent . ,ly:axis-group-interface::height)
1509 (X-extent . ,ly:axis-group-interface::width)
1510 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1511 (outside-staff-priority . 1000)
1513 (staff-padding . 1.0)
1515 (minimum-space . 1.0)
1517 (meta . ((class . Spanner)
1518 (interfaces . (piano-pedal-interface
1519 axis-group-interface
1520 side-position-interface))))))
1523 (springs-and-rods . ,ly:spacing-spanner::set-springs)
1524 (common-shortest-duration . ,ly:spacing-spanner::calc-common-shortest-duration)
1525 (average-spacing-wishes . #t)
1526 (shortest-duration-space . 2.0)
1527 (spacing-increment . 1.2)
1529 (base-shortest-duration . ,(ly:make-moment 3 16))
1530 (meta . ((class . Spanner)
1532 spacing-options-interface
1533 spacing-spanner-interface))))))
1537 (break-align-symbol . staff-bar)
1538 (Y-extent . ,ly:axis-group-interface::height)
1542 (stencil . ,ly:span-bar::print)
1543 (bar-size . ,ly:span-bar::calc-bar-size)
1544 (bar-extent . ,ly:axis-group-interface::height)
1545 (X-extent . ,ly:span-bar::width)
1546 (glyph-name . ,ly:span-bar::calc-glyph-name)
1547 (before-line-breaking . ,ly:span-bar::before-line-breaking)
1548 (allow-span-bar . #t)
1553 ;; Ross. page 151 lists other values, we opt for a leaner look
1557 (hair-thickness . 1.6)
1558 (thick-thickness . 6.0)
1559 (meta . ((class . Item)
1560 (interfaces . (span-bar-interface
1562 bar-line-interface))))))
1566 (stencil . ,ly:text-interface::print)
1567 (font-series . bold)
1569 (X-offset . ,ly:side-position-interface::x-aligned-side)
1572 (meta . ((class . Item)
1573 (interfaces . (side-position-interface
1574 stanza-number-interface
1576 font-interface))))))
1582 (stem-spacing-correction . 0.4)
1583 (meta . ((class . Item)
1584 (interfaces . (spacing-interface
1585 staff-spacing-interface))))))
1590 (Y-extent . ,ly:staff-symbol::height)
1591 (stencil . ,ly:staff-symbol::print)
1593 (ledger-line-thickness . (1.0 . 0.1))
1595 (meta . ((class . Spanner)
1596 (interfaces . (staff-symbol-interface))))))
1600 (direction . ,ly:stem::calc-direction)
1601 (duration-log . ,stem::calc-duration-log)
1602 (default-direction . ,ly:stem::calc-default-direction)
1603 (stem-end-position . ,ly:stem::calc-stem-end-position)
1605 (neutral-direction . ,DOWN)
1606 (stem-info . ,ly:stem::calc-stem-info)
1607 (positioning-done . ,ly:stem::calc-positioning-done)
1608 (stencil . ,ly:stem::print)
1609 (X-extent . ,ly:stem::width)
1610 (Y-extent . ,ly:stem::height)
1611 (length . ,ly:stem::calc-length)
1613 (cross-staff . ,ly:stem::calc-cross-staff)
1616 ;; 3.5 (or 3 measured from note head) is standard length
1617 ;; 32nd, 64th flagged stems should be longer
1618 (lengths . (3.5 3.5 3.5 4.5 5.0))
1620 ;; FIXME. 3.5 yields too long beams (according to Ross and
1621 ;; looking at Baerenreiter examples) for a number of common
1622 ;; boundary cases. Subtracting half a beam thickness fixes
1623 ;; this, but the bug may well be somewhere else.
1625 ;; FIXME this should come from 'lengths
1626 (beamed-lengths . (3.26 3.5 3.6))
1628 ;; The 'normal' minima
1629 (beamed-minimum-free-lengths . (1.83 1.5 1.25))
1630 ;(beamed-minimum-free-lengths . (2.0 1.83 1.25))
1632 ;; The 'extreme case' minima
1633 (beamed-extreme-minimum-free-lengths . (2.0 1.25))
1635 ;; Stems in unnatural (forced) direction should be shortened by
1636 ;; one staff space, according to [Roush & Gourlay].
1637 ;; Flagged stems we shorten only half a staff space.
1638 (stem-shorten . (1.0 0.5))
1642 ;; We use the normal minima as minimum for the ideal lengths,
1643 ;; and the extreme minima as abolute minimum length.
1645 (X-offset . ,ly:stem::offset-callback)
1646 (Y-offset . ,ly:staff-symbol-referencer::callback)
1647 (meta . ((class . Item)
1648 (interfaces . (stem-interface
1649 font-interface))))))
1653 (Y-extent . ,ly:stem-tremolo::height)
1654 (X-extent . ,ly:stem-tremolo::width)
1655 (stencil . ,ly:stem-tremolo::print)
1656 (slope . ,ly:stem-tremolo::calc-slope)
1657 (beam-width . ,ly:stem-tremolo::calc-width) ; staff-space
1658 (style . ,ly:stem-tremolo::calc-style)
1659 (beam-thickness . 0.48) ; staff-space
1660 (meta . ((class . Item)
1661 (interfaces . (stem-tremolo-interface))))))
1665 (stencil . ,print-circled-text-callback)
1666 (text . ,string-number::calc-text)
1668 (staff-padding . 0.5)
1669 (self-alignment-X . 0)
1670 (self-alignment-Y . 0)
1671 (script-priority . 100)
1672 (font-encoding . fetaNumber)
1673 (font-size . -5) ; don't overlap when next to heads.
1674 (meta . ((class . Item)
1675 (interfaces . (string-number-interface
1677 text-script-interface
1679 side-position-interface
1680 self-alignment-interface
1685 (stencil . ,ly:text-interface::print)
1686 (text . ,stroke-finger::calc-text)
1687 (digit-names . #("p" "i" "m" "a" "x"))
1689 (staff-padding . 0.5)
1690 (self-alignment-X . 0)
1691 (self-alignment-Y . 0)
1692 (script-priority . 100)
1693 (font-shape . italic)
1694 (font-size . -4) ; don't overlap when next to heads.
1695 (meta . ((class . Item)
1696 (interfaces . (stroke-finger-interface
1698 text-script-interface
1700 side-position-interface
1701 self-alignment-interface
1707 (extra-spacing-width . (+inf.0 . -inf.0))
1708 (stencil . ,ly:sustain-pedal::print)
1709 (self-alignment-X . 0)
1710 (direction . ,RIGHT)
1711 (padding . 0.0) ;; padding relative to SustainPedalLineSpanner
1712 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1713 (meta . ((class . Item)
1714 (interfaces . (piano-pedal-interface
1716 self-alignment-interface
1717 piano-pedal-script-interface
1718 font-interface))))))
1720 (SustainPedalLineSpanner
1723 (Y-extent . ,ly:axis-group-interface::height)
1724 (X-extent . ,ly:axis-group-interface::width)
1725 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1726 (outside-staff-priority . 1000)
1729 (staff-padding . 1.2)
1730 (minimum-space . 1.0)
1732 (meta . ((class . Spanner)
1733 (interfaces . (piano-pedal-interface
1734 axis-group-interface
1735 side-position-interface))))))
1740 (X-extent . ,ly:axis-group-interface::width)
1741 (Y-extent . ,ly:axis-group-interface::height)
1742 (vertical-skylines . ,ly:axis-group-interface::calc-skylines)
1743 (max-stretch . ,ly:axis-group-interface::calc-max-stretch)
1744 (meta . ((class . System)
1745 (interfaces . (system-interface
1746 axis-group-interface))))))
1752 (stencil . ,ly:system-start-delimiter::print)
1753 (collapse-height . 5.0)
1754 (X-offset . ,ly:side-position-interface::x-aligned-side)
1756 (font-encoding . fetaBraces)
1758 (meta . ((class . Spanner)
1759 (interfaces . (system-start-delimiter-interface
1760 side-position-interface
1761 font-interface))))))
1767 (X-offset . ,ly:side-position-interface::x-aligned-side)
1769 (stencil . ,ly:system-start-delimiter::print)
1770 (style . line-bracket)
1772 (meta . ((class . Spanner)
1773 (interfaces . (font-interface
1774 side-position-interface
1775 system-start-delimiter-interface))))))
1780 (X-offset . ,ly:side-position-interface::x-aligned-side)
1782 (stencil . ,ly:system-start-delimiter::print)
1784 (collapse-height . 5.0)
1786 (meta . ((class . Spanner)
1787 (interfaces . (font-interface
1788 side-position-interface
1789 system-start-delimiter-interface))))))
1796 (padding . -0.1) ;; bar must cover rounded ending of staff line.
1797 (X-offset . ,ly:side-position-interface::x-aligned-side)
1800 (collapse-height . 5.0)
1802 (stencil . ,ly:system-start-delimiter::print)
1803 (meta . ((class . Spanner)
1804 (interfaces . (side-position-interface
1805 system-start-delimiter-interface))))))
1809 (stencil . ,ly:text-interface::print)
1810 (Y-offset . ,ly:staff-symbol-referencer::callback)
1811 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1814 (stem-attachment . (0.0 . 1.35))
1815 (font-series . bold)
1816 (meta . ((class . Item)
1818 . (rhythmic-head-interface
1819 font-interface rhythmic-grob-interface
1821 staff-symbol-referencer-interface
1822 text-interface))))))
1826 (extra-spacing-width . (+inf.0 . -inf.0))
1827 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1828 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1832 ;; sync with Fingering ?
1834 (staff-padding . 0.5)
1836 (stencil . ,ly:text-interface::print)
1837 (direction . ,ly:script-interface::calc-direction)
1838 (positioning-done . ,ly:script-interface::calc-positioning-done)
1840 (outside-staff-priority . 450)
1841 (avoid-slur . around)
1842 (slur-padding . 0.5)
1843 (script-priority . 200)
1844 (cross-staff . ,ly:script-interface::calc-cross-staff)
1845 ;; todo: add X self alignment?
1846 (meta . ((class . Item)
1847 (interfaces . (text-script-interface
1849 side-position-interface
1850 font-interface))))))
1854 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1855 (font-shape . italic)
1856 (style . dashed-line)
1857 (staff-padding . 0.8)
1858 (dash-fraction . 0.2)
1862 (outside-staff-priority . 350)
1864 (left-bound-info . ,ly:line-spanner::calc-left-bound-info)
1865 (right-bound-info . ,ly:line-spanner::calc-right-bound-info)
1866 (bound-details . ((left . ((Y . 0)
1868 (attach-dir . ,LEFT)
1874 (stencil . ,ly:line-spanner::print)
1876 (meta . ((class . Spanner)
1877 (interfaces . (line-spanner-interface
1878 side-position-interface
1879 font-interface))))))
1883 (control-points . ,ly:tie::calc-control-points)
1884 (springs-and-rods . ,ly:spanner::set-spacing-rods)
1885 (avoid-slur . inside)
1886 (direction . ,ly:tie::calc-direction)
1887 (stencil . ,ly:tie::print)
1890 ;; for a full list, see tie-details.cc
1892 (center-staff-line-clearance . 0.6)
1893 (tip-staff-line-clearance . 0.45)
1894 (note-head-gap . 0.2)
1896 (height-limit . 1.0)
1897 (horizontal-distance-penalty-factor . 10)
1898 (same-dir-as-stem-penalty . 8)
1899 (min-length-penalty-factor . 26)
1900 (tie-tie-collision-distance . 0.45)
1901 (tie-tie-collision-penalty . 25.0)
1902 (intra-space-threshold . 1.25)
1903 (outer-tie-vertical-distance-symmetry-penalty-factor . 10)
1904 (outer-tie-length-symmetry-penalty-factor . 10)
1905 (vertical-distance-penalty-factor . 7)
1906 (outer-tie-vertical-gap . 0.25)
1907 (multi-tie-region-size . 1)
1908 (single-tie-region-size . 4)
1909 (between-length-limit . 1.0)))
1912 (line-thickness . 0.8)
1913 (meta . ((class . Spanner)
1914 (interfaces . (tie-interface))))
1919 (positioning-done . ,ly:tie-column::calc-positioning-done)
1920 (before-line-breaking . ,ly:tie-column::before-line-breaking)
1923 (meta . ((class . Spanner)
1924 (interfaces . (tie-column-interface))))))
1928 (stencil . ,ly:time-signature::print)
1929 (break-align-symbol . time-signature)
1931 . ,ly:break-aligned-interface::calc-extent-aligned-anchor)
1932 (break-visibility . ,all-visible)
1933 (avoid-slur . inside)
1935 (first-note . (fixed-space . 2.0))
1936 (right-edge . (extra-space . 0.5))
1937 (staff-bar . (minimum-space . 2.0))))
1940 (meta . ((class . Item)
1941 (interfaces . (time-signature-interface
1942 break-aligned-interface
1943 font-interface))))))
1947 (left-bound-info . ,ly:line-spanner::calc-left-bound-info)
1948 (right-bound-info . ,ly:line-spanner::calc-right-bound-info)
1950 (bound-details . ((left . ((text . ,(make-translate-scaled-markup
1952 (make-musicglyph-markup "scripts.trill")))
1954 (stencil-offset . (-0.5 . 0))
1956 (attach-dir . ,CENTER)
1957 ;; this isn't CENTER because the trill glyph's origin
1958 ;; is not centered in its extent; to have the trill
1959 ;; spanner aligned the same as a trill, we need a slight offset
1960 (anchor-alignment . 0.15)
1962 (left-broken . ((end-on-note . #t)))
1966 (stencil . ,ly:line-spanner::print)
1969 (staff-padding . 1.0)
1972 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1974 (outside-staff-priority . 50)
1975 (meta . ((class . Spanner)
1976 (interfaces . (line-spanner-interface
1978 trill-spanner-interface
1979 side-position-interface
1980 font-interface))))))
1982 (TrillPitchAccidental
1983 . ((X-offset . ,ly:side-position-interface::x-aligned-side)
1988 (stencil . ,ly:accidental-interface::print)
1989 (Y-extent . ,ly:accidental-interface::height)
1990 (glyph-name-alist . ,standard-alteration-glyph-name-alist)
1991 (meta . ((class . Item)
1992 (interfaces . (trill-pitch-accidental-interface
1993 accidental-interface
1994 side-position-interface
1995 font-interface))))))
1998 . ((X-offset . ,ly:side-position-interface::x-aligned-side)
2001 (stencil . ,parenthesize-elements)
2002 (stencils . ,parentheses-item::calc-parenthesis-stencils)
2003 (direction . ,RIGHT)
2006 (meta . ((class . Item)
2007 (interfaces . (side-position-interface
2008 parentheses-interface
2010 rhythmic-head-interface
2012 axis-group-interface))))))
2016 (stencil . ,ly:note-head::print)
2018 (Y-offset . ,ly:staff-symbol-referencer::callback)
2020 (meta . ((class . Item)
2021 (interfaces . (rhythmic-head-interface
2023 pitched-trill-interface
2025 staff-symbol-referencer-interface))))))
2031 (edge-height . (0.7 . 0.7))
2032 (shorten-pair . (-0.2 . -0.2))
2033 (staff-padding . 0.25)
2034 (direction . ,ly:tuplet-bracket::calc-direction)
2035 (positions . ,ly:tuplet-bracket::calc-positions)
2036 (connect-to-neighbor . ,ly:tuplet-bracket::calc-connect-to-neighbors)
2037 (control-points . ,ly:tuplet-bracket::calc-control-points)
2038 (stencil . ,ly:tuplet-bracket::print)
2039 (cross-staff . ,ly:tuplet-bracket::calc-cross-staff)
2041 (meta . ((class . Spanner)
2042 (interfaces . (line-interface
2043 tuplet-bracket-interface))))))
2047 (stencil . ,ly:tuplet-number::print)
2048 (text . ,tuplet-number::calc-denominator-text)
2049 (font-shape . italic)
2051 (avoid-slur . inside)
2052 (cross-staff . ,ly:tuplet-number::calc-cross-staff)
2053 (meta . ((class . Spanner)
2054 (interfaces . (text-interface tuplet-number-interface
2055 font-interface))))))
2059 (stencil . ,ly:text-interface::print)
2060 (font-shape . italic)
2061 (extra-spacing-width . (+inf.0 . -inf.0))
2062 (self-alignment-X . 0)
2063 (direction . ,RIGHT)
2064 (padding . 0.0) ;; padding relative to UnaCordaPedalLineSpanner
2065 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
2066 (meta . ((class . Item)
2067 (interfaces . (text-interface
2068 piano-pedal-script-interface
2069 self-alignment-interface
2070 font-interface))))))
2072 (UnaCordaPedalLineSpanner
2075 (Y-extent . ,ly:axis-group-interface::height)
2076 (X-extent . ,ly:axis-group-interface::width)
2077 (Y-offset . ,ly:side-position-interface::y-aligned-side)
2078 (outside-staff-priority . 1000)
2081 (staff-padding . 1.2)
2082 (minimum-space . 1.0)
2084 (meta . ((class . Spanner)
2085 (interfaces . (piano-pedal-interface
2086 axis-group-interface
2087 side-position-interface))))))
2093 (stencil . ,ly:vaticana-ligature::print)
2094 (meta . ((class . Spanner)
2095 (interfaces . (vaticana-ligature-interface
2096 font-interface))))))
2101 (positioning-done . ,ly:align-interface::calc-positioning-done)
2102 (after-line-breaking . ,ly:align-interface::stretch-after-break)
2103 (Y-extent . ,ly:axis-group-interface::height)
2104 (X-extent . ,ly:axis-group-interface::width)
2107 (vertical-skylines . ,ly:axis-group-interface::combine-skylines)
2109 (meta . ((class . Spanner)
2110 (object-callbacks . ((Y-common . ,ly:axis-group-interface::calc-y-common)))
2111 (interfaces . (align-interface
2112 axis-group-interface))))))
2116 (Y-offset . ,ly:hara-kiri-group-spanner::force-hara-kiri-callback)
2117 (Y-extent . ,ly:hara-kiri-group-spanner::y-extent)
2118 (X-extent . ,ly:axis-group-interface::width)
2119 (vertical-skylines . ,ly:hara-kiri-group-spanner::calc-skylines)
2120 (max-stretch . ,ly:axis-group-interface::calc-max-stretch)
2121 (stencil . ,ly:axis-group-interface::print)
2122 (adjacent-pure-heights . ,ly:axis-group-interface::adjacent-pure-heights)
2123 (meta . ((class . Spanner)
2124 (object-callbacks . ((X-common . ,ly:axis-group-interface::calc-x-common)))
2125 (interfaces . (axis-group-interface
2126 hara-kiri-group-spanner-interface
2127 vertically-spaceable-interface))))))
2132 (stencil . ,ly:volta-bracket-interface::print)
2133 (font-encoding . fetaNumber)
2134 (thickness . 1.6) ;; line-thickness
2135 (edge-height . (2.0 . 2.0)) ;; staff-space;
2138 (meta . ((class . Spanner)
2139 (interfaces . (volta-bracket-interface
2140 horizontal-bracket-interface
2143 side-position-interface
2147 (VoltaBracketSpanner
2153 (Y-offset . ,ly:side-position-interface::y-aligned-side)
2154 (outside-staff-priority . 100)
2155 (Y-extent . ,ly:axis-group-interface::height)
2156 (X-extent . ,ly:axis-group-interface::width)
2157 (no-alignment . ,#t)
2158 (meta . ((class . Spanner)
2159 (interfaces . (side-position-interface
2160 axis-group-interface)))
2170 (bound-details . ((right . ((attach-dir . ,CENTER)
2173 (left . ((attach-dir . ,CENTER)
2177 (stencil . ,ly:line-spanner::print)
2178 (left-bound-info . ,ly:line-spanner::calc-left-bound-info)
2179 (right-bound-info . ,ly:line-spanner::calc-right-bound-info)
2180 (meta . ((class . Spanner)
2181 (interfaces . (line-spanner-interface
2187 (define (completize-grob-entry x)
2188 "Transplant assoc key into 'name entry of 'meta of X. Set interfaces for Item, Spanner etc.
2190 ;; (display (car x))
2192 (let* ((name-sym (car x))
2193 (grob-entry (cdr x))
2194 (meta-entry (cdr (assoc 'meta grob-entry)))
2195 (class (cdr (assoc 'class meta-entry)))
2197 (cdr (assoc 'interfaces meta-entry))))
2201 (set! ifaces-entry (cons 'item-interface ifaces-entry)))
2202 ((eq? 'Spanner class)
2203 (set! ifaces-entry (cons 'spanner-interface ifaces-entry)))
2204 ((eq? 'Paper_column class)
2205 (set! ifaces-entry (cons 'item-interface
2206 (cons 'paper-column-interface ifaces-entry))))
2207 ((eq? 'System class)
2208 (set! ifaces-entry (cons 'system-interface
2209 (cons 'spanner-interface ifaces-entry))))
2211 (ly:warning "Unknown class ~a" class)))
2213 (set! ifaces-entry (uniq-list (sort ifaces-entry symbol<?)))
2214 (set! ifaces-entry (cons 'grob-interface ifaces-entry))
2216 (set! meta-entry (assoc-set! meta-entry 'name name-sym))
2217 (set! meta-entry (assoc-set! meta-entry 'interfaces
2219 (set! grob-entry (assoc-set! grob-entry 'meta meta-entry))
2220 (cons name-sym grob-entry)))
2222 (set! all-grob-descriptions (map completize-grob-entry all-grob-descriptions))
2224 ;; (display (map pair? all-grob-descriptions))
2226 ;; make sure that \property Foo.Bar =\turnOff doesn't complain
2229 ;; (display (car x)) (newline)
2231 (set-object-property! (car x) 'translation-type? list?)
2232 (set-object-property! (car x) 'is-grob? #t))
2233 all-grob-descriptions)
2235 (set! all-grob-descriptions (sort all-grob-descriptions alist<?))
2237 (define pure-print-callbacks
2239 print-circled-text-callback
2242 ly:arpeggio::brew-chord-bracket
2247 ly:text-interface::print
2248 ly:script-interface::print))
2250 ;; ly:grob::stencil-extent is safe iff the print callback is safe too
2251 (define (pure-stencil-height grob start stop)
2252 (let ((sten (ly:grob-property-data grob 'stencil)))
2255 (memq sten pure-print-callbacks))
2256 (ly:grob::stencil-height grob)
2259 (define pure-conversions-alist
2261 (,ly:accidental-interface::height . ,ly:accidental-interface::pure-height)
2262 (,ly:arpeggio::height . ,ly:arpeggio::pure-height)
2263 (,ly:slur::outside-slur-callback . ,ly:slur::pure-outside-slur-callback)
2264 (,ly:stem::height . ,ly:stem::pure-height)
2265 (,ly:rest::height . ,ly:rest::pure-height)
2266 (,ly:grob::stencil-height . ,pure-stencil-height)
2267 (,ly:side-position-interface::y-aligned-side . ,ly:side-position-interface::pure-y-aligned-side)
2268 (,ly:axis-group-interface::height . ,ly:axis-group-interface::pure-height)
2269 (,ly:hara-kiri-group-spanner::y-extent . ,ly:hara-kiri-group-spanner::pure-height)
2270 (,ly:slur::height . ,ly:slur::pure-height)
2271 (,ly:side-position-interface::y-aligned-side . ,ly:side-position-interface::pure-y-aligned-side)))
2273 (define pure-functions
2275 parenthesize-elements
2276 ly:rest::y-offset-callback
2277 ly:staff-symbol-referencer::callback
2278 ly:staff-symbol::height))
2280 (define-public (pure-relevant? grob)
2281 (let ((extent-callback (ly:grob-property-data grob 'Y-extent)))
2284 (pair? extent-callback)
2285 (memq extent-callback pure-functions)
2287 (pair? (assq extent-callback pure-conversions-alist))
2290 (not (eq? extent-callback ly:grob::stencil-height))
2291 (memq (ly:grob-property-data grob 'stencil) pure-print-callbacks)
2292 (ly:stencil? (ly:grob-property-data grob 'stencil))
2296 (define-public (call-pure-function unpure args start end)
2297 (if (ly:simple-closure? unpure)
2298 (ly:eval-simple-closure (car args) unpure start end)
2299 (if (not (procedure? unpure))
2301 (if (memq unpure pure-functions)
2303 (let ((pure (assq unpure pure-conversions-alist)))
2307 (list (car args) start end)