1 ;;;; define-grobs.scm --
3 ;;;; source file of the GNU LilyPond music typesetter
5 ;;;; (c) 1998--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
6 ;;;; Jan Nieuwenhuizen <janneke@gnu.org>
8 ;;;; distances are given in line-thickness (thicknesses) and
9 ;;;; staff-space (distances)
11 ;;;; WARNING: the meta field should be the last one.
12 ;;;; WARNING: don't use anonymous functions for initialization.
14 ;; TODO: junk the meta field in favor of something more compact?
16 ;;; todo:: reorder sensibly.
18 (define-public all-grob-descriptions
23 (cautionary-style . parentheses)
24 (stencil . ,ly:accidental-interface::print)
26 . ,ly:accidental-interface::after-line-breaking)
27 (meta . ((class . Item)
28 (interfaces . (accidental-interface
33 (stencil . ,ly:accidental-interface::print)
34 (X-offset . ,(ly:make-simple-closure
36 ,(ly:make-simple-closure (list ly:self-alignment-interface::centered-on-x-parent))
37 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self)))))
38 (self-alignment-X . ,CENTER)
40 (cautionary-style . smaller)
41 (Y-offset . ,ly:side-position-interface::y-aligned-side)
42 (cautionary-style . parentheses)
44 (staff-padding . 0.25)
47 (meta . ((class . Item)
48 (interfaces . (side-position-interface
51 accidental-suggestion-interface
52 self-alignment-interface
58 ;; for horizontally stacked scripts.
59 (script-priority . -100)
62 (positioning-done . ,ly:accidental-placement::calc-positioning-done)
63 (X-extent . ,ly:axis-group-interface::width)
65 ;; this is quite small, but it is very ugly to have
66 ;; accs closer to the previous note than to the next one.
67 (right-padding . 0.15)
68 (meta . ((class . Item)
69 (interfaces . (accidental-placement-interface))))))
74 (X-extent . ,ly:axis-group-interface::width)
75 (Y-extent . ,ly:axis-group-interface::height)
77 (clef . (extra-space . 0.5))
78 (key-signature . (extra-space . 0.0))
79 (staff-bar . (extra-space . 0.0))
80 (time-signature . (extra-space . 0.0))
81 (first-note . (fixed-space . 0.0))))
83 (break-align-symbol . ambitus)
84 (break-visibility . ,begin-of-line-visible)
85 (meta . ((class . Item)
86 (interfaces . (axis-group-interface
87 break-aligned-interface
88 ambitus-interface))))))
92 (stencil . ,ly:ambitus::print)
95 (X-offset . ,ly:self-alignment-interface::centered-on-x-parent)
96 (meta . ((class . Item)
97 (interfaces . (ambitus-interface
98 staff-symbol-referencer-interface
102 (font-family . music)
104 (X-offset . ,ly:side-position-interface::x-aligned-side)
106 (cautionary-style . parentheses)
107 (stencil . ,ly:accidental-interface::print)
108 (after-line-breaking . ,ly:accidental-interface::after-line-breaking)
110 (meta . ((class . Item)
111 (interfaces . (item-interface
113 break-aligned-interface
114 side-position-interface
120 (stencil . ,ly:note-head::print)
121 (glyph-name . ,note-head::calc-glyph-name)
122 (Y-offset . ,ly:staff-symbol-referencer::callback)
123 (meta . ((class . Item)
124 (interfaces . (font-interface
127 staff-symbol-referencer-interface
128 rhythmic-head-interface
129 ledgered-interface))))))
132 . ((X-extent . ,ly:arpeggio::width)
133 (stencil . ,ly:arpeggio::print)
134 (Y-offset . ,ly:staff-symbol-referencer::callback)
135 (X-offset . ,ly:side-position-interface::x-aligned-side)
138 (script-priority . 0)
140 (staff-position . 0.0)
141 (meta . ((class . Item)
142 (interfaces . (arpeggio-interface
143 staff-symbol-referencer-interface
144 side-position-interface
149 (break-align-symbol . staff-bar)
153 (break-visibility . ,all-visible)
156 (stencil . ,ly:bar-line::print)
157 (glyph-name . ,bar-line::calc-glyph-name)
158 (bar-size . ,ly:bar-line::calc-bar-size)
161 (time-signature . (extra-space . 0.75))
162 (custos . (minimum-space . 2.0))
163 (clef . (minimum-space . 1.0))
164 (key-signature . (extra-space . 1.0))
165 (key-cancellation . (extra-space . 1.0))
166 (first-note . (fixed-space . 1.3))
167 (next-note . (semi-fixed-space . 1.3))
168 (right-edge . (extra-space . 0.0))))
171 ;; Ross. page 151 lists other values, we opt for a leaner look
174 ;; kern should scale with line-thickness too.
177 (hair-thickness . 1.9)
178 (thick-thickness . 6.0)
179 (meta . ((class . Item)
180 (interfaces . (bar-line-interface
181 break-aligned-interface
186 (stencil . ,ly:text-interface::print)
188 (break-visibility . ,begin-of-line-visible)
191 (font-family . roman)
193 (Y-offset . ,ly:side-position-interface::y-aligned-side)
195 (X-offset . ,(ly:make-simple-closure
197 ,(ly:make-simple-closure
198 (list ly:break-alignment-align-interface::self-align-callback))
199 ,(ly:make-simple-closure
200 (list ly:self-alignment-interface::x-aligned-on-self)))))
202 (self-alignment-X . 1)
204 ;; want the bar number before the clef at line start.
205 (break-align-symbol . left-edge)
208 (interfaces . (side-position-interface
210 break-alignment-align-interface
211 self-alignment-interface
218 (stencil . ,ly:text-interface::print)
219 (meta . ((class . Item)
220 (interfaces . (text-interface
221 rhythmic-grob-interface
222 bass-figure-interface
228 (threshold . (2 . 1000))
229 (positioning-done . ,ly:align-interface::calc-positioning-done)
230 (Y-extent . ,ly:axis-group-interface::height)
232 (meta . ((class . Spanner)
233 (interfaces . (align-interface
234 bass-figure-alignment-interface
235 axis-group-interface))))))
237 (BassFigureAlignmentPositioning
238 . ((Y-offset . ,ly:side-position-interface::y-aligned-side)
241 (Y-extent . ,ly:axis-group-interface::height)
243 (staff-padding . 1.0)
245 (meta . ((class . Spanner)
246 (interfaces . (side-position-interface
252 (stencil . ,ly:enclosing-bracket::print)
253 (X-extent . ,ly:enclosing-bracket::width)
254 (edge-height . (0.2 . 0.2))
255 (meta . ((class . Item)
256 (interfaces . (enclosing-bracket-interface)) ))
258 (BassFigureContinuation
260 (stencil . ,ly:figured-bass-continuation::print)
261 (Y-offset . ,ly:figured-bass-continuation::center-on-figures)
262 (meta . ((class . Spanner)
263 (interfaces . (figured-bass-continuation-interface))
268 (Y-extent . ,ly:axis-group-interface::height)
269 (meta . ((class . Spanner)
270 (interfaces . (axis-group-interface
276 ;; todo: clean this up a bit: the list is getting
279 (positions . ,(ly:make-simple-closure
280 (ly:make-simple-closure
281 (list chain-grob-member-functions
283 ly:beam::calc-least-squares-positions
284 ly:beam::slope-damping
285 ly:beam::shift-region-to-valid
289 ;; this is a hack to set stem lengths, if positions is set.
290 (quantized-positions . ,ly:beam::set-stem-lengths)
291 (concaveness . ,ly:beam::calc-concaveness)
292 (direction . ,ly:beam::calc-direction)
293 (shorten . ,ly:beam::calc-stem-shorten)
294 (beaming . ,ly:beam::calc-beaming)
295 (stencil . ,ly:beam::print)
298 ;; TODO: should be in SLT.
299 (thickness . 0.48) ; in staff-space
300 (neutral-direction . ,DOWN)
302 ;; Whe have some unreferenced problems here.
304 ;; If we shorten beamed stems less than normal stems (1 staff-space),
305 ;; or high order less than 8th beams, patterns like
306 ;; c''4 [c''8 c''] c''4 [c''16 c]
307 ;; are ugly (different stem lengths).
309 ;; But if we shorten 16th beams as much as 8th beams, a single
310 ;; forced 16th beam looks *very* short.
312 ;; We choose to shorten 8th beams the same as single stems,
313 ;; and high order beams less than 8th beams, so that all
314 ;; isolated shortened beams look nice and a bit shortened,
315 ;; sadly possibly breaking patterns with high order beams.
316 (beamed-stem-shorten . (1.0 0.5 0.25))
318 (auto-knee-gap . 5.5)
320 ;; only for debugging.
321 (font-family . roman)
322 (meta . ((class . Spanner)
323 (interfaces . (staff-symbol-referencer-interface
328 (stencil . ,fall::print)
330 (meta . ((class . Spanner)
331 (interfaces . (spanner-interface
332 bend-after-interface))))))
338 (positioning-done . ,ly:break-align-interface::calc-positioning-done)
339 (X-extent . ,ly:axis-group-interface::width)
340 (break-align-orders . ;; end of line
362 time-signature custos)
376 (meta . ((class . Item)
377 (interfaces . (break-alignment-interface
378 axis-group-interface))))))
383 (X-extent . ,ly:axis-group-interface::width)
384 (meta . ((class . Item)
385 (interfaces . (break-aligned-interface
386 axis-group-interface))))))
390 (break-align-symbol . breathing-sign)
393 (ambitus . (extra-space . 2.0))
394 (custos . (minimum-space . 1.0))
395 (key-signature . (minimum-space . 1.5))
396 (time-signature . (minimum-space . 1.5))
397 (staff-bar . (minimum-space . 1.5))
398 (clef . (minimum-space . 2.0))
399 (first-note . (fixed-space . 1.0)) ;huh?
400 (right-edge . (extra-space . 0.1))))
401 (stencil . ,ly:text-interface::print)
402 (text . ,(make-musicglyph-markup "scripts.rcomma"))
403 (Y-offset . ,ly:breathing-sign::offset-callback)
404 (break-visibility . ,begin-of-line-invisible)
405 (meta . ((class . Item)
406 (interfaces . (break-aligned-interface
407 breathing-sign-interface
413 (stencil . ,ly:clef::print)
414 (glyph-name . ,ly:clef::calc-glyph-name)
416 (font-family . music)
417 (break-align-symbol . clef)
418 (break-visibility . ,begin-of-line-visible)
419 (space-alist . ((ambitus . (extra-space . 2.0))
420 (staff-bar . (extra-space . 0.7))
421 (key-cancellation . (minimum-space . 3.5))
422 (key-signature . (minimum-space . 3.5))
423 (time-signature . (minimum-space . 4.2))
424 (first-note . (minimum-fixed-space . 5.0))
425 (next-note . (extra-space . 0.5))
426 (right-edge . (extra-space . 0.5))))
427 (Y-offset . ,ly:staff-symbol-referencer::callback)
428 (meta . ((class . Item)
429 (interfaces . (clef-interface
430 staff-symbol-referencer-interface
432 break-aligned-interface))))))
434 (ClusterSpannerBeacon
436 (Y-extent . ,ly:cluster-beacon::height)
437 (meta . ((class . Item)
438 (interfaces . (cluster-beacon-interface))))))
442 (springs-and-rods . ,ly:spanner::set-spacing-rods)
443 (stencil . ,ly:cluster::print)
444 (minimum-length . 0.0)
447 (meta . ((class . Spanner)
448 (interfaces . (cluster-interface))))))
452 (stencil . ,ly:text-interface::print)
453 (after-line-breaking . ,ly:chord-name::after-line-breaking)
457 (meta . ((class . Item)
458 (interfaces . (font-interface
459 rhythmic-grob-interface
466 (stencil . ,ly:text-interface::print)
467 (no-spacing-rods . #t)
468 (Y-offset . ,ly:side-position-interface::y-aligned-side)
469 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
472 (staff-padding . 0.5)
473 (script-priority . 200)
474 ;; todo: add X self alignment?
478 (meta . ((class . Item)
479 (interfaces . (text-script-interface
481 side-position-interface
486 (break-align-symbol . custos)
488 (stencil . ,ly:custos::print)
489 (break-visibility . ,end-of-line-visible)
491 (neutral-direction . ,DOWN)
492 (Y-offset . ,ly:staff-symbol-referencer::callback)
494 (first-note . (minimum-fixed-space . 0.0))
495 (right-edge . (extra-space . 0.1))))
496 (meta . ((class . Item)
499 staff-symbol-referencer-interface
501 break-aligned-interface))))))
507 (positioning-done . ,ly:dot-column::calc-positioning-done)
508 (X-extent . ,ly:axis-group-interface::width)
509 (X-offset . ,ly:dot-column::side-position)
510 (meta . ((class . Item)
511 (interfaces . (dot-column-interface
512 axis-group-interface))))))
516 (stencil . ,ly:dots::print)
517 (dot-count . ,dots::calc-dot-count)
518 (meta . ((class . Item)
519 (interfaces . (font-interface
520 staff-symbol-referencer-interface
525 (stencil . ,ly:percent-repeat-item-interface::double-percent)
528 (font-encoding . fetaMusic)
531 (break-align-symbol . staff-bar)
532 (break-visibility . ,begin-of-line-invisible)
533 (meta . ((class . Item)
534 (interfaces . (font-interface
535 break-aligned-interface
536 percent-repeat-interface))))))
538 (DoublePercentRepeatCounter
540 (stencil . ,ly:text-interface::print)
541 (X-offset . ,(ly:make-simple-closure `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::centered-on-y-parent))
542 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self)))))
543 (Y-offset . ,ly:side-position-interface::y-aligned-side)
544 (font-encoding . fetaNumber)
545 (self-alignment-X . 0)
549 (staff-padding . 0.25)
551 (meta . ((class . Item)
552 (interfaces . (side-position-interface
553 self-alignment-interface
554 percent-repeat-interface
560 (Y-offset . ,ly:side-position-interface::y-aligned-side)
561 (staff-padding . 0.1)
563 (avoid-slur . outside)
565 (minimum-space . 1.2)
568 (Y-extent . ,ly:axis-group-interface::height)
569 (X-extent . ,ly:axis-group-interface::width)
570 (meta . ((class . Spanner)
571 (interfaces . (axis-group-interface
573 dynamic-line-spanner-interface
574 side-position-interface))))))
581 (stencil . ,ly:text-interface::print)
582 (direction . ,ly:script-interface::calc-direction)
584 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
585 (self-alignment-X . 0)
586 (Y-offset . ,ly:self-alignment-interface::y-aligned-on-self)
587 (self-alignment-Y . 0)
589 (font-encoding . fetaDynamic)
590 (font-shape . italic)
591 (avoid-slur . around)
592 (no-spacing-rods . #t)
593 (script-priority . 100)
594 (meta . ((class . Item)
595 (interfaces . (font-interface
597 self-alignment-interface
599 script-interface))))))
603 (stencil . ,ly:dynamic-text-spanner::print)
605 ;; rather ugh with NCSB
606 ;; (font-series . bold)
607 (font-shape . italic)
608 (style . dashed-line)
610 ;; need to blend with dynamic texts.
612 (bound-padding . 0.75)
613 (dash-fraction . 0.2)
615 (meta . ((class . Spanner)
616 (interfaces . (font-interface
618 line-spanner-interface
620 dynamic-text-spanner-interface
621 spanner-interface))))))
627 ;; sync with TextScript (?)
630 (avoid-slur . around)
632 (staff-padding . 0.5)
633 (self-alignment-X . 0)
634 (self-alignment-Y . 0)
635 (script-priority . 100)
637 (stencil . ,ly:text-interface::print)
638 (direction . ,ly:script-interface::calc-direction)
639 (text . ,fingering::calc-text)
640 (font-encoding . fetaNumber)
641 (font-size . -5) ; don't overlap when next to heads.
642 (meta . ((class . Item)
643 (interfaces . (finger-interface
645 text-script-interface
647 side-position-interface
648 self-alignment-interface
651 . ((stencil . ,fret-board::calc-stencil)
652 (meta . ((class . Item)
653 (interfaces . (fret-board-interface
661 (zigzag-width . 0.75)
665 (stencil . ,ly:line-spanner::print)
666 (after-line-breaking . ,ly:line-spanner::after-line-breaking)
667 (meta . ((class . Spanner)
668 (interfaces . (line-interface
669 line-spanner-interface))))))
673 (common-shortest-duration . ,grace-spacing::calc-shortest-duration)
674 (spacing-increment . 0.8)
675 (shortest-duration-space . 1.6)
676 (meta . ((class . Spanner)
677 (interfaces . (grace-spacing-interface
679 spacing-options-interface
680 spanner-interface))))))
685 (meta . ((class . Item)
686 (interfaces . (grid-point-interface))))))
690 (X-extent . ,ly:grid-line-interface::width)
691 (stencil . ,ly:grid-line-interface::print)
692 (self-alignment-X . ,CENTER)
693 (X-offset . ,(ly:make-simple-closure
694 `(,+ ,(ly:make-simple-closure
695 (list ly:self-alignment-interface::centered-on-x-parent))
696 ,(ly:make-simple-closure
697 (list ly:self-alignment-interface::x-aligned-on-self)))))
699 (meta . ((class . Item)
700 (interfaces . (self-alignment-interface
701 grid-line-interface))))))
705 (stencil . ,ly:hairpin::print)
706 (springs-and-rods . ,ly:spanner::set-spacing-rods)
707 (after-line-breaking . ,ly:hairpin::after-line-breaking)
708 (grow-direction . ,hairpin::calc-grow-direction)
712 (minimum-length . 2.0)
713 (bound-padding . 1.0)
714 (self-alignment-Y . 0)
715 (Y-offset . ,ly:self-alignment-interface::y-aligned-on-self)
716 (meta . ((class . Spanner)
717 (interfaces . (hairpin-interface
719 self-alignment-interface
721 spanner-interface))))))
726 (stencil . ,ly:horizontal-bracket::print)
727 (Y-offset . ,ly:side-position-interface::y-aligned-side)
728 (connect-to-neighbor . ,ly:tuplet-bracket::calc-connect-to-neighbors)
731 (staff-padding . 0.2)
734 (bracket-flare . (0.5 . 0.5))
735 (meta . ((class . Spanner)
736 (interfaces . (horizontal-bracket-interface
737 side-position-interface
739 spanner-interface))))))
743 (stencil . ,ly:system-start-text::print)
744 (X-offset . ,ly:side-position-interface::x-aligned-side)
746 (self-alignment-Y . ,CENTER)
747 (meta . ((class . Spanner)
748 (interfaces . (system-start-text-interface
749 side-position-interface
755 (stencil . ,ly:text-interface::print)
756 (Y-offset . ,ly:side-position-interface::y-aligned-side)
757 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
760 (self-alignment-X . ,CENTER)
761 (meta . ((class . Item)
762 (interfaces . (system-start-text-interface
763 side-position-interface
768 (stencil . ,ly:key-signature-interface::print)
770 (time-signature . (extra-space . 1.25))
771 (staff-bar . (extra-space . 0.6))
772 (key-signature . (extra-space . 0.5))
773 (right-edge . (extra-space . 0.5))
774 (first-note . (fixed-space . 2.5))))
775 (Y-offset . ,ly:staff-symbol-referencer::callback)
776 (break-align-symbol . key-cancellation)
777 (break-visibility . ,begin-of-line-invisible)
779 (meta . ((class . Item)
780 (interfaces . (key-signature-interface
782 break-aligned-interface))))))
785 (stencil . ,ly:key-signature-interface::print)
787 (time-signature . (extra-space . 1.15))
788 (staff-bar . (extra-space . 1.1))
789 (right-edge . (extra-space . 0.5))
790 (first-note . (fixed-space . 2.5))))
791 (Y-offset . ,ly:staff-symbol-referencer::callback)
792 (break-align-symbol . key-signature)
793 (break-visibility . ,begin-of-line-visible)
795 (meta . ((class . Item)
796 (interfaces . (key-signature-interface
798 break-aligned-interface))))))
803 (stencil . ,ly:tie::print)
804 (control-points . ,ly:semi-tie::calc-control-points)
805 (direction . ,ly:semi-tie::calc-direction)
806 (details . ((ratio . 0.333)
807 (height-limit . 1.0)))
809 (meta . ((class . Item)
810 (interfaces . (semi-tie-interface))
814 (LaissezVibrerTieColumn
818 (head-direction . ,LEFT)
819 (positioning-done . ,ly:semi-tie-column::calc-positioning-done)
820 (meta . ((class . Item)
821 (interfaces . (semi-tie-column-interface))
827 (springs-and-rods . ,ly:ledger-line-spanner::set-spacing-rods)
828 (stencil . ,ly:ledger-line-spanner::print)
831 (minimum-length-fraction . 0.25)
832 (length-fraction . 0.25)
834 (meta . ((class . Spanner)
835 (interfaces . (ledger-line-interface))))))
839 (break-align-symbol . left-edge)
842 (break-visibility . ,center-invisible)
844 (custos . (extra-space . 0.0))
845 (ambitus . (extra-space . 2.0))
846 (time-signature . (extra-space . 1.0))
847 (staff-bar . (extra-space . 0.0))
848 (breathing-sign . (minimum-space . 0.0))
849 (clef . (extra-space . 0.8))
850 (first-note . (fixed-space . 2.0))
851 (right-edge . (extra-space . 0.0))
852 (key-signature . (extra-space . 0.0))
853 (key-cancellation . (extra-space . 0.0))
855 (meta . ((class . Item)
856 (interfaces . (break-aligned-interface))))))
860 ;; ugh. A ligature bracket is totally different from
865 (edge-height . (0.7 . 0.7))
866 (shorten-pair . (-0.2 . -0.2))
868 (positions . ,ly:tuplet-bracket::calc-positions)
869 (stencil . ,ly:tuplet-bracket::print)
870 (staff-padding . 0.25)
871 (connect-to-neighbor . ,ly:tuplet-bracket::calc-connect-to-neighbors)
872 (control-points . ,ly:tuplet-bracket::calc-control-points)
873 (meta . ((class . Spanner)
874 (interfaces . (line-interface
875 tuplet-bracket-interface))))))
880 (stencil . ,ly:lyric-extender::print)
881 (thickness . 0.8) ; line-thickness
882 (minimum-length . 1.5)
884 (meta . ((class . Spanner)
885 (interfaces . (lyric-interface
886 lyric-extender-interface))))))
894 (minimum-length . 0.3)
895 (minimum-distance . 0.1)
897 (springs-and-rods . ,ly:hyphen-spanner::set-spacing-rods)
898 (stencil . ,ly:hyphen-spanner::print)
900 (meta . ((class . Spanner)
901 (interfaces . (lyric-interface
903 lyric-hyphen-interface
904 spanner-interface))))))
907 . ((minimum-distance . 0.45)
908 (springs-and-rods . ,ly:hyphen-spanner::set-spacing-rods)
912 (meta . ((class . Spanner)
913 (interfaces . (spanner-interface
914 lyric-hyphen-interface spacing-interface))
920 (stencil . ,lyric-text::print)
921 (text . ,lyric-text::calc-text)
922 (X-offset . ,ly:self-alignment-interface::aligned-on-x-parent)
923 (self-alignment-X . 0)
925 (font-series . bold-narrow)
927 (meta . ((class . Item)
928 (interfaces . (rhythmic-grob-interface
929 lyric-syllable-interface
930 self-alignment-interface
937 (Y-offset . ,ly:side-position-interface::y-aligned-side)
939 (stencil . ,ly:measure-grouping::print)
945 (meta . ((class . Spanner)
946 (interfaces . (side-position-interface
947 measure-grouping-interface))))))
951 (neutral-direction . ,DOWN)
952 (meta . ((class . Item)
953 (interfaces . (melody-spanner-interface spacing-interface))))))
958 (stencil . ,ly:mensural-ligature::print)
959 (meta . ((class . Spanner)
960 (interfaces . (mensural-ligature-interface
965 (stencil . ,ly:text-interface::print)
966 (Y-offset . ,ly:side-position-interface::y-aligned-side)
970 (meta . ((class . Item)
971 (interfaces . (text-interface
972 side-position-interface
974 metronome-mark-interface))))))
979 (stencil . ,ly:multi-measure-rest::print)
980 (springs-and-rods . ,ly:multi-measure-rest::set-spacing-rods)
981 (Y-offset . ,ly:staff-symbol-referencer::callback)
984 (thick-thickness . 6.6)
985 (hair-thickness . 2.0)
987 (meta . ((class . Spanner)
988 (interfaces . (multi-measure-rest-interface
989 multi-measure-interface
992 staff-symbol-referencer-interface))))))
995 (MultiMeasureRestNumber
997 (bound-padding . 2.0)
998 (springs-and-rods . ,ly:multi-measure-rest::set-text-rods)
999 (stencil . ,ly:text-interface::print)
1000 (X-offset . ,(ly:make-simple-closure
1001 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self))
1002 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-centered-on-y-parent)))))
1003 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1005 (self-alignment-X . 0)
1008 (staff-padding . 0.4)
1009 (font-encoding . fetaNumber)
1010 (meta . ((class . Spanner)
1011 (interfaces . (side-position-interface
1012 multi-measure-interface
1013 self-alignment-interface
1018 (MultiMeasureRestText
1020 (stencil . ,ly:text-interface::print)
1021 (X-offset . ,(ly:make-simple-closure
1022 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-centered-on-y-parent))
1023 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self)))))
1025 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1026 (self-alignment-X . 0)
1029 (staff-padding . 0.25)
1030 (meta . ((class . Spanner)
1031 (interfaces . (side-position-interface
1032 multi-measure-interface
1033 self-alignment-interface
1035 text-interface))))))
1037 (NonMusicalPaperColumn
1039 (allow-loose-spacing . #t)
1041 (before-line-breaking . ,ly:paper-column::before-line-breaking)
1042 (X-extent . ,ly:axis-group-interface::width)
1043 ;; (stencil . ,ly:paper-column::print)
1046 (line-break-permission . allow)
1047 (page-break-permission . allow)
1049 ;; debugging stuff: print column number.
1050 ;; (font-size . -6) (font-name . "sans") (Y-extent . #f)
1052 (meta . ((class . Paper_column)
1053 (interfaces . (paper-column-interface
1054 axis-group-interface
1055 spaceable-grob-interface))))))
1060 (X-extent . ,ly:axis-group-interface::width)
1061 (Y-extent . ,ly:axis-group-interface::height)
1062 (positioning-done . ,ly:note-collision-interface::calc-positioning-done)
1063 (meta . ((class . Item)
1064 (interfaces . (note-collision-interface
1065 axis-group-interface))))))
1070 (X-extent . ,ly:axis-group-interface::width)
1071 (Y-extent . ,ly:axis-group-interface::height)
1072 (meta . ((class . Item)
1073 (interfaces . (axis-group-interface
1074 note-column-interface))))))
1078 (stencil . ,ly:note-head::print)
1079 (duration-log . ,note-head::calc-duration-log)
1080 (stem-attachment . ,ly:note-head::calc-stem-attachment)
1081 (glyph-name . ,note-head::calc-glyph-name)
1082 (Y-offset . ,ly:staff-symbol-referencer::callback)
1083 (X-offset . ,ly:note-head::stem-x-shift)
1084 (meta . ((class . Item)
1085 (interfaces . (rhythmic-grob-interface
1086 rhythmic-head-interface
1090 staff-symbol-referencer-interface))))))
1094 (stem-spacing-correction . 0.5)
1095 (same-direction-correction . 0.25)
1096 ;; Changed this from 0.75.
1097 ;; If you ever change this back, please document! --hwn
1098 (knee-spacing-correction . 1.0)
1099 (meta . ((class . Item)
1100 (interfaces . (spacing-interface
1101 note-spacing-interface))))))
1105 (stencil . ,ly:text-interface::print)
1106 (meta . ((class . Item)
1107 (interfaces . (note-name-interface
1109 font-interface))))))
1113 (self-alignment-X . 0)
1114 (break-visibility . ,begin-of-line-visible)
1115 (X-offset . ,(ly:make-simple-closure
1116 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self))
1117 ,(ly:make-simple-closure (list ly:self-alignment-interface::centered-on-x-parent)))))
1119 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1120 (stencil . ,ly:text-interface::print)
1122 ;; no Y dimensions, because of lyrics under tenor clef.
1123 (Y-extent . (0 . 0))
1124 (font-shape . italic)
1126 (staff-padding . 0.2)
1128 (meta . ((class . Item)
1129 (interfaces . (text-interface
1130 self-alignment-interface
1131 side-position-interface
1132 font-interface))))))
1136 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1137 (stencil . ,ly:ottava-bracket::print)
1138 (font-shape . italic)
1139 (shorten-pair . (0.0 . -0.6))
1140 (staff-padding . 1.0)
1142 (minimum-length . 1.0)
1143 (dash-fraction . 0.3)
1144 (edge-height . (0 . 1.2))
1146 (meta . ((class . Spanner)
1147 (interfaces . (ottava-bracket-interface
1148 horizontal-bracket-interface
1150 side-position-interface
1152 text-interface))))))
1157 (allow-loose-spacing . #t)
1158 (before-line-breaking . ,ly:paper-column::before-line-breaking)
1159 ;; (stencil . ,ly:paper-column::print)
1160 (X-extent . ,ly:axis-group-interface::width)
1163 ;; (font-size . -6) (font-name . "sans") (Y-extent . #f)
1164 (meta . ((class . Paper_column)
1165 (interfaces . (paper-column-interface
1166 axis-group-interface
1167 spaceable-grob-interface))))))
1170 . ((stencil . ,parentheses-item::print)
1173 (meta . ((class . Item)
1174 (interfaces . (parentheses-interface font-interface))))
1178 . ((details . ,default-slur-details)
1179 (control-points . ,ly:slur::calc-control-points)
1180 (direction . ,ly:slur::calc-direction)
1181 (springs-and-rods . ,ly:spanner::set-spacing-rods)
1182 (Y-extent . ,ly:slur::height)
1183 (stencil . ,ly:slur::print)
1185 (minimum-length . 1.5)
1186 (height-limit . 2.0)
1188 (meta . ((class . Spanner)
1189 (interfaces . (slur-interface))))))
1195 (springs-and-rods . ,ly:multi-measure-rest::set-spacing-rods)
1196 (stencil . ,ly:multi-measure-rest::percent)
1199 (font-encoding . fetaMusic)
1200 (meta . ((class . Spanner)
1201 (interfaces . (multi-measure-rest-interface
1203 percent-repeat-interface))))))
1204 (PercentRepeatCounter
1206 (stencil . ,ly:text-interface::print)
1207 (X-offset . ,(ly:make-simple-closure
1208 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-centered-on-y-parent))
1209 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self)))))
1210 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1211 (self-alignment-X . 0)
1214 (staff-padding . 0.25)
1216 (font-encoding . fetaNumber)
1217 (meta . ((class . Spanner)
1218 (interfaces . (side-position-interface
1219 self-alignment-interface
1220 percent-repeat-interface
1222 text-interface))))))
1224 ;; an example of a text spanner
1227 (stencil . ,ly:piano-pedal-bracket::print)
1229 (bound-padding . 1.0)
1231 (bracket-flare . (0.5 . 0.5))
1232 (edge-height . (1.0 . 1.0))
1233 (shorten-pair . (0.0 . 0.0))
1235 (meta . ((class . Spanner)
1236 (interfaces . (line-interface
1237 piano-pedal-interface
1238 piano-pedal-bracket-interface))))))
1242 (stencil . ,ly:text-interface::print)
1243 (X-offset . ,(ly:make-simple-closure
1245 ,(ly:make-simple-closure
1246 (list ly:break-alignment-align-interface::self-align-callback))
1247 ,(ly:make-simple-closure
1248 (list ly:self-alignment-interface::x-aligned-on-self)))))
1250 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1251 (self-alignment-X . 0)
1256 (break-visibility . ,end-of-line-invisible)
1257 (break-align-symbol . staff-bar)
1259 (meta . ((class . Item)
1260 (interfaces . (text-interface
1261 side-position-interface
1262 break-alignment-align-interface
1265 self-alignment-interface))))))
1270 (stencil . ,ly:percent-repeat-item-interface::beat-slash)
1273 (meta . ((class . Item)
1274 (interfaces . (percent-repeat-interface))))))
1277 (stencil . ,ly:tie::print)
1278 (control-points . ,ly:semi-tie::calc-control-points)
1279 (direction . ,ly:semi-tie::calc-direction)
1280 (details . ((ratio . 0.333)
1281 (height-limit . 1.0)))
1283 (meta . ((class . Item)
1284 (interfaces . (semi-tie-interface))
1292 (head-direction . ,RIGHT)
1293 (positioning-done . ,ly:semi-tie-column::calc-positioning-done)
1294 (meta . ((class . Item)
1295 (interfaces . (semi-tie-column-interface))
1301 (stencil . ,ly:rest::print)
1302 (duration-log . ,note-head::calc-duration-log)
1303 (X-extent . ,ly:rest::width)
1304 (Y-extent . ,ly:rest::height)
1305 (Y-offset . ,ly:rest::y-offset-callback)
1306 (minimum-distance . 0.25)
1307 (meta . ((class . Item)
1308 (interfaces . (font-interface
1309 rhythmic-head-interface
1310 rhythmic-grob-interface
1311 staff-symbol-referencer-interface
1312 rest-interface))))))
1316 (minimum-distance . 0.75)
1317 (positioning-done . ,ly:rest-collision::calc-positioning-done)
1318 (meta . ((class . Item)
1319 (interfaces . (rest-collision-interface))))))
1323 ;; don't set direction here: it breaks staccato.
1325 ;; padding set in script definitions.
1326 (staff-padding . 0.25)
1327 ;; (script-priority . 0) priorities for scripts, see script.scm
1328 (X-offset . ,ly:self-alignment-interface::centered-on-x-parent)
1329 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1332 (stencil . ,ly:script-interface::print)
1333 (direction . ,ly:script-interface::calc-direction)
1334 (font-encoding . fetaMusic)
1335 (meta . ((class . Item)
1336 (interfaces . (script-interface
1337 side-position-interface
1338 font-interface))))))
1342 (before-line-breaking . ,ly:script-column::before-line-breaking)
1343 (meta . ((class . Item)
1344 (interfaces . (script-column-interface))))))
1347 (before-line-breaking . ,ly:script-column::row-before-line-breaking)
1348 (meta . ((class . Item)
1349 (interfaces . (script-column-interface))))))
1355 (meta . ((class . Item)
1356 (interfaces . (spacing-interface
1357 separation-item-interface))))))
1359 (SeparatingGroupSpanner
1361 (springs-and-rods . ,ly:separating-group-spanner::set-spacing-rods)
1362 (meta . ((class . Spanner)
1363 (interfaces . (only-prebreak-interface
1365 separation-spanner-interface))))))
1368 . ((details . ,default-slur-details)
1369 (control-points . ,ly:slur::calc-control-points)
1370 (direction . ,ly:slur::calc-direction)
1371 (springs-and-rods . ,ly:spanner::set-spacing-rods)
1372 (Y-extent . ,ly:slur::height)
1373 (stencil . ,ly:slur::print)
1375 (line-thickness . 0.8)
1376 (minimum-length . 1.5)
1377 (height-limit . 2.0)
1379 (avoid-slur . inside)
1380 (meta . ((class . Spanner)
1381 (interfaces . (slur-interface))))))
1385 (stencil . ,ly:text-interface::print)
1386 (direction . ,RIGHT)
1387 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1388 (no-spacing-rods . #t)
1389 (padding . 0.0) ;; padding relative to SostenutoPedalLineSpanner
1390 (font-shape . italic)
1391 (self-alignment-X . 0)
1392 (meta . ((class . Item)
1393 (interfaces . (text-interface
1394 self-alignment-interface
1395 piano-pedal-script-interface
1396 font-interface))))))
1398 (SostenutoPedalLineSpanner
1401 (Y-extent . ,ly:axis-group-interface::height)
1402 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1404 (staff-padding . 1.0)
1406 (minimum-space . 1.0)
1408 (meta . ((class . Spanner)
1409 (interfaces . (piano-pedal-interface
1410 axis-group-interface
1411 side-position-interface))))))
1414 (springs-and-rods . ,ly:spacing-spanner::set-springs)
1415 (common-shortest-duration . ,ly:spacing-spanner::calc-common-shortest-duration)
1416 (average-spacing-wishes . #t)
1417 (shortest-duration-space . 2.0)
1418 (spacing-increment . 1.2)
1420 (base-shortest-duration . ,(ly:make-moment 3 16))
1421 (meta . ((class . Spanner)
1422 (interfaces . (spacing-interface
1423 spacing-options-interface
1424 spacing-spanner-interface))))))
1428 (break-align-symbol . staff-bar)
1432 (stencil . ,ly:span-bar::print)
1433 (bar-size . ,ly:span-bar::calc-bar-size)
1434 (X-extent . ,ly:span-bar::width)
1435 (glyph-name . ,ly:span-bar::calc-glyph-name)
1436 (before-line-breaking . ,ly:span-bar::before-line-breaking)
1441 ;; Ross. page 151 lists other values, we opt for a leaner look
1445 (hair-thickness . 1.6)
1446 (thick-thickness . 6.0)
1447 (meta . ((class . Item)
1448 (interfaces . (span-bar-interface
1450 bar-line-interface))))))
1454 (stencil . ,ly:text-interface::print)
1455 (font-series . bold)
1457 (X-offset . ,ly:side-position-interface::x-aligned-side)
1460 (meta . ((class . Item)
1461 (interfaces . (side-position-interface
1462 stanza-number-interface
1464 font-interface))))))
1470 (stem-spacing-correction . 0.4)
1471 (meta . ((class . Item)
1472 (interfaces . (spacing-interface
1473 staff-spacing-interface))))))
1478 (Y-extent . ,ly:staff-symbol::height)
1479 (stencil . ,ly:staff-symbol::print)
1481 (ledger-line-thickness . (1.0 . 0.1))
1483 (meta . ((class . Spanner)
1484 (interfaces . (staff-symbol-interface))))))
1488 (direction . ,ly:stem::calc-direction)
1489 (duration-log . ,note-head::calc-duration-log)
1490 (default-direction . ,ly:stem::calc-default-direction)
1491 (stem-end-position . ,ly:stem::calc-stem-end-position)
1493 (neutral-direction . ,DOWN)
1494 (stem-info . ,ly:stem::calc-stem-info)
1495 (positioning-done . ,ly:stem::calc-positioning-done)
1496 (stencil . ,ly:stem::print)
1497 (X-extent . ,ly:stem::width)
1498 (Y-extent . ,ly:stem::height)
1499 (length . ,ly:stem::calc-length)
1503 ;; 3.5 (or 3 measured from note head) is standard length
1504 ;; 32nd, 64th flagged stems should be longer
1505 (lengths . (3.5 3.5 3.5 4.5 5.0))
1507 ;; FIXME. 3.5 yields too long beams (according to Ross and
1508 ;; looking at Baerenreiter examples) for a number of common
1509 ;; boundary cases. Subtracting half a beam thickness fixes
1510 ;; this, but the bug may well be somewhere else.
1512 ;; FIXME this should come from 'lengths
1513 (beamed-lengths . (3.26 3.5 3.6))
1515 ;; The 'normal' minima
1516 (beamed-minimum-free-lengths . (1.83 1.5 1.25))
1517 ;(beamed-minimum-free-lengths . (2.0 1.83 1.25))
1519 ;; The 'extreme case' minima
1520 (beamed-extreme-minimum-free-lengths . (2.0 1.25))
1522 ;; Stems in unnatural (forced) direction should be shortened by
1523 ;; one staff space, according to [Roush & Gourlay].
1524 ;; Flagged stems we shorten only half a staff space.
1525 (stem-shorten . (1.0 0.5))
1529 ;; We use the normal minima as minimum for the ideal lengths,
1530 ;; and the extreme minima as abolute minimum length.
1532 (X-offset . ,ly:stem::offset-callback)
1533 (Y-offset . ,ly:staff-symbol-referencer::callback)
1534 (meta . ((class . Item)
1535 (interfaces . (stem-interface
1536 font-interface))))))
1540 (Y-extent . ,ly:stem-tremolo::height)
1541 (stencil . ,ly:stem-tremolo::print)
1543 (slope . ,ly:stem-tremolo::calc-slope)
1544 (beam-width . ,ly:stem-tremolo::calc-width) ; staff-space
1545 (style . ,ly:stem-tremolo::calc-style)
1546 (beam-thickness . 0.48) ; staff-space
1547 (meta . ((class . Item)
1548 (interfaces . (stem-tremolo-interface))))))
1552 (stencil . ,print-circled-text-callback)
1553 (text . ,string-number::calc-text)
1555 (staff-padding . 0.5)
1556 (self-alignment-X . 0)
1557 (self-alignment-Y . 0)
1558 (script-priority . 100)
1559 (font-encoding . fetaNumber)
1560 (font-size . -5) ; don't overlap when next to heads.
1561 (meta . ((class . Item)
1562 (interfaces . (string-number-interface
1564 text-script-interface
1566 side-position-interface
1567 self-alignment-interface
1568 item-interface))))))
1572 (stencil . ,ly:text-interface::print)
1573 (text . ,stroke-finger::calc-text)
1574 (digit-names . #("p" "i" "m" "a" "x"))
1576 (staff-padding . 0.5)
1577 (self-alignment-X . 0)
1578 (self-alignment-Y . 0)
1579 (script-priority . 100)
1580 (font-shape . italic)
1581 (font-size . -4) ; don't overlap when next to heads.
1582 (meta . ((class . Item)
1583 (interfaces . (stroke-finger-interface
1585 text-script-interface
1587 side-position-interface
1588 self-alignment-interface
1589 item-interface))))))
1594 (no-spacing-rods . #t)
1595 (stencil . ,ly:sustain-pedal::print)
1596 (self-alignment-X . 0)
1597 (direction . ,RIGHT)
1598 (padding . 0.0) ;; padding relative to SustainPedalLineSpanner
1599 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1600 (meta . ((class . Item)
1601 (interfaces . (piano-pedal-interface
1602 text-spanner-interface
1603 line-spanner-interface
1605 self-alignment-interface
1606 piano-pedal-script-interface
1607 font-interface))))))
1609 (SustainPedalLineSpanner
1612 (Y-extent . ,ly:axis-group-interface::height)
1613 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1616 (staff-padding . 1.2)
1617 (minimum-space . 1.0)
1619 (meta . ((class . Spanner)
1620 (interfaces . (piano-pedal-interface
1621 axis-group-interface
1622 side-position-interface))))))
1627 (X-extent . ,ly:axis-group-interface::width)
1628 (Y-extent . ,ly:axis-group-interface::height)
1629 (meta . ((class . System)
1630 (interfaces . (system-interface
1631 axis-group-interface))))))
1637 (stencil . ,ly:system-start-delimiter::print)
1638 (collapse-height . 5.0)
1639 (X-offset . ,ly:side-position-interface::x-aligned-side)
1641 (font-encoding . fetaBraces)
1643 (meta . ((class . Spanner)
1644 (interfaces . (system-start-delimiter-interface
1645 side-position-interface
1646 font-interface))))))
1652 (X-offset . ,ly:side-position-interface::x-aligned-side)
1654 (stencil . ,ly:system-start-delimiter::print)
1655 (style . line-bracket)
1657 (meta . ((class . Spanner)
1658 (interfaces . (font-interface
1659 side-position-interface
1660 system-start-delimiter-interface))))))
1665 (X-offset . ,ly:side-position-interface::x-aligned-side)
1667 (stencil . ,ly:system-start-delimiter::print)
1669 (collapse-height . 5.0)
1671 (meta . ((class . Spanner)
1672 (interfaces . (font-interface
1673 side-position-interface
1674 system-start-delimiter-interface))))))
1681 (padding . -0.1) ;; bar must cover rounded ending of staff line.
1682 (X-offset . ,ly:side-position-interface::x-aligned-side)
1686 (stencil . ,ly:system-start-delimiter::print)
1687 (meta . ((class . Spanner)
1688 (interfaces . (side-position-interface
1689 system-start-delimiter-interface))))))
1694 (stencil . ,ly:text-interface::print)
1695 (Y-offset . ,ly:staff-symbol-referencer::callback)
1696 (duration-log . ,note-head::calc-duration-log)
1698 (stem-attachment . (0.0 . 1.35))
1699 (font-series . bold)
1700 (meta . ((class . Item)
1702 . (rhythmic-head-interface
1703 font-interface rhythmic-grob-interface
1705 staff-symbol-referencer-interface
1706 text-interface))))))
1710 (no-spacing-rods . #t)
1711 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1712 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1716 ;; sync with Fingering ?
1718 (staff-padding . 0.5)
1720 (stencil . ,ly:text-interface::print)
1721 (direction . ,ly:script-interface::calc-direction)
1723 (avoid-slur . around)
1724 (slur-padding . 0.5)
1725 (script-priority . 200)
1726 ;; todo: add X self alignment?
1727 (meta . ((class . Item)
1728 (interfaces . (text-script-interface
1730 side-position-interface
1731 font-interface))))))
1735 (stencil . ,ly:text-spanner::print)
1736 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1737 (font-shape . italic)
1738 (style . dashed-line)
1739 (staff-padding . 0.8)
1740 (dash-fraction . 0.2)
1744 (meta . ((class . Spanner)
1745 (interfaces . (text-spanner-interface
1746 line-spanner-interface
1747 side-position-interface
1748 font-interface))))))
1752 (control-points . ,ly:tie::calc-control-points)
1753 (springs-and-rods . ,ly:spanner::set-spacing-rods)
1754 (avoid-slur . inside)
1755 (direction . ,ly:tie::calc-direction)
1756 (stencil . ,ly:tie::print)
1759 ;; for a full list, see tie-helper.cc
1761 (center-staff-line-clearance . 0.6)
1762 (tip-staff-line-clearance . 0.45)
1763 (note-head-gap . 0.2)
1765 (height-limit . 1.0)
1766 (horizontal-distance-penalty-factor . 10)
1767 (min-length-penalty-factor . 20)
1768 (tie-tie-collision-distance . 0.45)
1769 (tie-tie-collision-penalty . 25.0)
1770 (intra-space-threshold . 1.25)
1771 (outer-tie-vertical-distance-symmetry-penalty-factor . 10)
1772 (outer-tie-length-symmetry-penalty-factor . 10)
1773 (outer-tie-vertical-gap . 0.25)
1774 (multi-tie-region-size . 1)
1775 (between-length-limit . 1.0)))
1778 (line-thickness . 0.8)
1779 (meta . ((class . Spanner)
1780 (interfaces . (tie-interface))))
1785 (positioning-done . ,ly:tie-column::calc-positioning-done)
1786 (before-line-breaking . ,ly:tie-column::before-line-breaking)
1789 (meta . ((class . Spanner)
1790 (interfaces . (tie-column-interface))))))
1794 (stencil . ,ly:time-signature::print)
1795 (break-align-symbol . time-signature)
1796 (break-visibility . ,all-visible)
1798 (first-note . (fixed-space . 2.0))
1799 (right-edge . (extra-space . 0.5))
1800 (staff-bar . (minimum-space . 2.0))))
1803 (meta . ((class . Item)
1804 (interfaces . (time-signature-interface
1805 break-aligned-interface
1806 font-interface))))))
1810 (stencil . ,ly:dynamic-text-spanner::print)
1811 (edge-text . ,(cons (make-musicglyph-markup "scripts.trill")
1814 (staff-padding . 1.0)
1817 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1819 (meta . ((class . Spanner)
1820 (interfaces . (text-spanner-interface
1821 line-spanner-interface
1822 side-position-interface
1823 font-interface))))))
1825 (TrillPitchAccidental
1826 . ((X-offset . ,ly:side-position-interface::x-aligned-side)
1831 (stencil . ,ly:accidental-interface::print)
1832 (meta . ((class . Item)
1833 (interfaces . (item-interface
1834 trill-pitch-accidental-interface
1835 side-position-interface
1836 font-interface))))))
1839 . ((X-offset . ,ly:side-position-interface::x-aligned-side)
1842 (stencil . ,parenthesize-elements)
1843 (direction . ,RIGHT)
1846 (meta . ((class . Item)
1847 (interfaces . (side-position-interface
1849 rhythmic-head-interface
1851 accidental-interface
1852 axis-group-interface))))))
1856 (stencil . ,ly:note-head::print)
1858 (Y-offset . ,ly:staff-symbol-referencer::callback)
1860 (meta . ((class . Item)
1861 (interfaces . (item-interface
1862 rhythmic-head-interface
1864 pitched-trill-interface
1866 staff-symbol-referencer-interface))))))
1872 (edge-height . (0.7 . 0.7))
1873 (shorten-pair . (-0.2 . -0.2))
1874 (staff-padding . 0.25)
1875 (direction . ,ly:tuplet-bracket::calc-direction)
1876 (positions . ,ly:tuplet-bracket::calc-positions)
1877 (connect-to-neighbor . ,ly:tuplet-bracket::calc-connect-to-neighbors)
1878 (control-points . ,ly:tuplet-bracket::calc-control-points)
1879 (stencil . ,ly:tuplet-bracket::print)
1881 (meta . ((class . Spanner)
1882 (interfaces . (line-interface
1883 tuplet-bracket-interface))))))
1887 (stencil . ,ly:tuplet-number::print)
1888 (text . ,tuplet-number::calc-denominator-text)
1889 (font-shape . italic)
1891 (avoid-slur . inside)
1892 (meta . ((class . Spanner)
1893 (interfaces . (text-interface tuplet-number-interface
1894 font-interface))))))
1898 (stencil . ,ly:text-interface::print)
1899 (font-shape . italic)
1900 (no-spacing-rods . #t)
1901 (self-alignment-X . 0)
1902 (direction . ,RIGHT)
1903 (padding . 0.0) ;; padding relative to UnaCordaPedalLineSpanner
1904 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1905 (meta . ((class . Item)
1906 (interfaces . (text-interface
1907 piano-pedal-script-interface
1908 self-alignment-interface
1909 font-interface))))))
1911 (UnaCordaPedalLineSpanner
1914 (Y-extent . ,ly:axis-group-interface::height)
1915 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1918 (staff-padding . 1.2)
1919 (minimum-space . 1.0)
1921 (meta . ((class . Spanner)
1922 (interfaces . (piano-pedal-interface
1923 axis-group-interface
1924 side-position-interface))))))
1930 (stencil . ,ly:vaticana-ligature::print)
1931 (meta . ((class . Spanner)
1932 (interfaces . (vaticana-ligature-interface
1933 font-interface))))))
1938 (positioning-done . ,ly:align-interface::calc-positioning-done)
1939 (after-line-breaking . ,ly:align-interface::stretch-after-break)
1940 (Y-extent . ,ly:axis-group-interface::height)
1941 (X-extent . ,ly:axis-group-interface::width)
1944 (meta . ((class . Spanner)
1945 (interfaces . (align-interface
1946 axis-group-interface))))))
1950 (Y-offset . ,ly:hara-kiri-group-spanner::force-hara-kiri-callback)
1951 (Y-extent . ,ly:hara-kiri-group-spanner::y-extent)
1952 (X-extent . ,ly:axis-group-interface::width)
1953 (meta . ((class . Spanner)
1954 (interfaces . (axis-group-interface
1955 hara-kiri-group-interface
1956 vertically-spaceable-interface))))))
1961 (stencil . ,ly:volta-bracket-interface::print)
1964 (font-encoding . fetaNumber)
1965 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1967 (thickness . 1.6) ;; line-thickness
1968 (edge-height . (2.0 . 2.0)) ;; staff-space;
1971 (meta . ((class . Spanner)
1972 (interfaces . (volta-bracket-interface
1973 horizontal-bracket-interface
1976 side-position-interface
1988 (stencil . ,ly:line-spanner::print)
1989 (after-line-breaking . ,ly:line-spanner::after-line-breaking)
1990 (meta . ((class . Spanner)
1991 (interfaces . (line-spanner-interface
1997 (define (completize-grob-entry x)
1998 "Transplant assoc key into 'name entry of 'meta of X. Set interfaces for Item, Spanner etc.
2000 ;; (display (car x))
2002 (let* ((name-sym (car x))
2003 (grob-entry (cdr x))
2004 (meta-entry (cdr (assoc 'meta grob-entry)))
2005 (class (cdr (assoc 'class meta-entry)))
2007 (cdr (assoc 'interfaces meta-entry))))
2011 (set! ifaces-entry (cons 'item-interface ifaces-entry)))
2012 ((eq? 'Spanner class)
2013 (set! ifaces-entry (cons 'spanner-interface ifaces-entry)))
2014 ((eq? 'Paper_column class)
2015 (set! ifaces-entry (cons 'item-interface
2016 (cons 'paper-column-interface ifaces-entry))))
2017 ((eq? 'System class)
2018 (set! ifaces-entry (cons 'system-interface
2019 (cons 'spanner-interface ifaces-entry))))
2021 (ly:warning "Unknown class ~a" class)))
2022 (set! ifaces-entry (cons 'grob-interface ifaces-entry))
2024 (set! meta-entry (assoc-set! meta-entry 'name name-sym))
2025 (set! meta-entry (assoc-set! meta-entry 'interfaces
2027 (set! grob-entry (assoc-set! grob-entry 'meta meta-entry))
2028 (cons name-sym grob-entry)))
2030 (set! all-grob-descriptions (map completize-grob-entry all-grob-descriptions))
2032 ;; (display (map pair? all-grob-descriptions))
2034 ;; make sure that \property Foo.Bar =\turnOff doesn't complain
2037 ;; (display (car x)) (newline)
2039 (set-object-property! (car x) 'translation-type? list?)
2040 (set-object-property! (car x) 'is-grob? #t))
2041 all-grob-descriptions)
2043 (set! all-grob-descriptions (sort all-grob-descriptions alist<?))
2045 (define pure-print-callbacks
2049 ly:text-interface::print
2050 ly:script-interface::print))
2052 ;; ly:grob::stencil-extent is safe iff the print callback is safe too
2053 (define (pure-stencil-height grob start stop)
2054 (let ((sten (ly:grob-property-data grob 'stencil)))
2057 (memq sten pure-print-callbacks))
2058 (ly:grob::stencil-height grob)
2061 (define pure-conversions-alist
2063 `(,ly:slur::outside-slur-callback . ,ly:slur::pure-outside-slur-callback)
2064 `(,ly:stem::height . ,ly:stem::pure-height)
2065 `(,ly:grob::stencil-height . ,pure-stencil-height)
2066 `(,ly:side-position-interface::y-aligned-side . ,ly:side-position-interface::pure-y-aligned-side)
2067 `(,ly:axis-group-interface::height . ,ly:axis-group-interface::pure-height)
2068 `(,ly:hara-kiri-group-spanner::y-extent . ,ly:hara-kiri-group-spanner::pure-height)
2069 `(,ly:slur::height . ,ly:slur::pure-height)
2070 `(,ly:side-position-interface::y-aligned-side . ,ly:side-position-interface::pure-y-aligned-side)))
2072 (define pure-functions
2074 ly:staff-symbol-referencer::callback
2075 ly:staff-symbol::height))
2077 (define-public (pure-relevant grob)
2078 (let ((extent-callback (ly:grob-property-data grob 'Y-extent)))
2081 (pair? extent-callback)
2082 (memq extent-callback pure-functions)
2084 (pair? (assq extent-callback pure-conversions-alist))
2087 (not (eq? extent-callback ly:grob::stencil-height))
2088 (memq (ly:grob-property-data grob 'stencil) pure-print-callbacks)
2089 (ly:stencil? (ly:grob-property-data grob 'stencil))))))))))
2091 (define-public (call-pure-function unpure args start end)
2092 (if (ly:simple-closure? unpure)
2093 (ly:eval-simple-closure (car args) unpure start end)
2094 (if (not (procedure? unpure))
2096 (if (memq unpure pure-functions)
2098 (let ((pure (assq unpure pure-conversions-alist)))
2100 (apply (cdr pure) (append (list (car args) start end) (cdr args)))))))))