1 ;;;; define-grobs.scm --
3 ;;;; source file of the GNU LilyPond music typesetter
5 ;;;; (c) 1998--2006 Han-Wen Nienhuys <hanwen@cs.uu.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 (positioning-done . ,ly:accidental-placement::calc-positioning-done)
59 (X-extent . ,ly:axis-group-interface::width)
61 ;; this is quite small, but it is very ugly to have
62 ;; accs closer to the previous note than to the next one.
63 (right-padding . 0.15)
64 (meta . ((class . Item)
65 (interfaces . (accidental-placement-interface))))))
69 (X-extent . ,ly:axis-group-interface::width)
70 (Y-extent . ,ly:axis-group-interface::height)
72 (clef . (extra-space . 0.5))
73 (key-signature . (extra-space . 0.0))
74 (staff-bar . (extra-space . 0.0))
75 (time-signature . (extra-space . 0.0))
76 (first-note . (fixed-space . 0.0))))
78 (break-align-symbol . ambitus)
79 (break-visibility . ,begin-of-line-visible)
80 (meta . ((class . Item)
81 (interfaces . (axis-group-interface
82 break-aligned-interface
83 ambitus-interface))))))
87 (stencil . ,ly:ambitus::print)
90 (X-offset . ,ly:self-alignment-interface::centered-on-x-parent)
91 (meta . ((class . Item)
92 (interfaces . (ambitus-interface
93 staff-symbol-referencer-interface
99 (X-offset . ,ly:side-position-interface::x-aligned-side)
101 (cautionary-style . parentheses)
102 (stencil . ,ly:accidental-interface::print)
103 (after-line-breaking . ,ly:accidental-interface::after-line-breaking)
105 (meta . ((class . Item)
106 (interfaces . (item-interface
108 break-aligned-interface
109 side-position-interface
115 (stencil . ,ly:note-head::print)
116 (glyph-name . ,note-head::calc-glyph-name)
117 (Y-offset . ,ly:staff-symbol-referencer::callback)
118 (meta . ((class . Item)
119 (interfaces . (font-interface
122 staff-symbol-referencer-interface
123 rhythmic-head-interface
124 ledgered-interface))))))
127 . ((X-extent . ,ly:arpeggio::width)
128 (stencil . ,ly:arpeggio::print)
129 (Y-offset . ,ly:staff-symbol-referencer::callback)
130 (X-offset . ,ly:side-position-interface::x-aligned-side)
134 (staff-position . 0.0)
135 (meta . ((class . Item)
136 (interfaces . (arpeggio-interface
137 staff-symbol-referencer-interface
138 side-position-interface
143 (break-align-symbol . staff-bar)
147 (break-visibility . ,all-visible)
150 (stencil . ,ly:bar-line::print)
151 (glyph-name . ,bar-line::calc-glyph-name)
152 (bar-size . ,ly:bar-line::calc-bar-size)
155 (time-signature . (extra-space . 0.75))
156 (custos . (minimum-space . 2.0))
157 (clef . (minimum-space . 1.0))
158 (key-signature . (extra-space . 1.0))
159 (key-cancellation . (extra-space . 1.0))
160 (first-note . (fixed-space . 1.3))
161 (next-note . (semi-fixed-space . 1.3))
162 (right-edge . (extra-space . 0.0))))
165 ;; Ross. page 151 lists other values, we opt for a leaner look
168 ;; kern should scale with line-thickness too.
171 (hair-thickness . 1.9)
172 (thick-thickness . 6.0)
173 (meta . ((class . Item)
174 (interfaces . (bar-line-interface
175 break-aligned-interface
180 (stencil . ,ly:text-interface::print)
182 (break-visibility . ,begin-of-line-visible)
185 (font-family . roman)
187 (Y-offset . ,ly:side-position-interface::y-aligned-side)
189 (X-offset . ,(ly:make-simple-closure
191 ,(ly:make-simple-closure
192 (list ly:break-alignment-align-interface::self-align-callback))
193 ,(ly:make-simple-closure
194 (list ly:self-alignment-interface::x-aligned-on-self)))))
196 (self-alignment-X . 1)
199 ;; (break-align-symbol . left-edge)
202 (interfaces . (side-position-interface
204 break-alignment-align-interface
205 self-alignment-interface
212 (stencil . ,ly:text-interface::print)
213 (meta . ((class . Item)
214 (interfaces . (text-interface
215 rhythmic-grob-interface
216 bass-figure-interface
222 (threshold . (2 . 1000))
223 (positioning-done . ,ly:align-interface::calc-positioning-done)
224 (Y-extent . ,ly:axis-group-interface::height)
226 (meta . ((class . Spanner)
227 (interfaces . (align-interface
228 bass-figure-alignment-interface
229 axis-group-interface))))))
231 (BassFigureAlignmentPositioning
232 . ((Y-offset . ,ly:side-position-interface::y-aligned-side)
235 (Y-extent . ,ly:axis-group-interface::height)
237 (staff-padding . 1.0)
239 (meta . ((class . Spanner)
240 (interfaces . (side-position-interface
246 (stencil . ,ly:enclosing-bracket::print)
247 (X-extent . ,ly:enclosing-bracket::width)
248 (edge-height . (0.2 . 0.2))
249 (meta . ((class . Item)
250 (interfaces . (enclosing-bracket-interface)) ))
252 (BassFigureContinuation
254 (stencil . ,ly:figured-bass-continuation::print)
255 (Y-offset . ,ly:figured-bass-continuation::center-on-figures)
256 (meta . ((class . Spanner)
257 (interfaces . (figured-bass-continuation-interface))
262 (Y-extent . ,ly:axis-group-interface::height)
263 (meta . ((class . Spanner)
264 (interfaces . (axis-group-interface
270 ;; todo: clean this up a bit: the list is getting
273 (positions . ,(ly:make-simple-closure
274 (ly:make-simple-closure
275 (list chain-grob-member-functions
277 ly:beam::calc-least-squares-positions
278 ly:beam::slope-damping
279 ly:beam::shift-region-to-valid
283 ;; this is a hack to set stem lengths, if positions is set.
284 (quantized-positions . ,ly:beam::set-stem-lengths)
285 (concaveness . ,ly:beam::calc-concaveness)
286 (direction . ,ly:beam::calc-direction)
287 (shorten . ,ly:beam::calc-stem-shorten)
288 (beaming . ,ly:beam::calc-beaming)
289 (stencil . ,ly:beam::print)
292 ;; TODO: should be in SLT.
293 (thickness . 0.48) ; in staff-space
294 (neutral-direction . ,DOWN)
296 ;; Whe have some unreferenced problems here.
298 ;; If we shorten beamed stems less than normal stems (1 staff-space),
299 ;; or high order less than 8th beams, patterns like
300 ;; c''4 [c''8 c''] c''4 [c''16 c]
301 ;; are ugly (different stem lengths).
303 ;; But if we shorten 16th beams as much as 8th beams, a single
304 ;; forced 16th beam looks *very* short.
306 ;; We choose to shorten 8th beams the same as single stems,
307 ;; and high order beams less than 8th beams, so that all
308 ;; isolated shortened beams look nice and a bit shortened,
309 ;; sadly possibly breaking patterns with high order beams.
310 (beamed-stem-shorten . (1.0 0.5 0.25))
312 (auto-knee-gap . 5.5)
314 ;; only for debugging.
315 (font-family . roman)
316 (meta . ((class . Spanner)
317 (interfaces . (staff-symbol-referencer-interface
322 (stencil . ,fall::print)
324 (meta . ((class . Spanner)
325 (interfaces . (spanner-interface
326 bend-after-interface))))))
332 (positioning-done . ,ly:break-align-interface::calc-positioning-done)
333 (X-extent . ,ly:axis-group-interface::width)
334 (break-align-orders . ;; end of line
356 time-signature custos)
370 (meta . ((class . Item)
371 (interfaces . (break-alignment-interface
372 axis-group-interface))))))
377 (X-extent . ,ly:axis-group-interface::width)
378 (meta . ((class . Item)
379 (interfaces . (break-aligned-interface
380 axis-group-interface))))))
384 (break-align-symbol . breathing-sign)
387 (ambitus . (extra-space . 2.0))
388 (custos . (minimum-space . 1.0))
389 (key-signature . (minimum-space . 1.5))
390 (time-signature . (minimum-space . 1.5))
391 (staff-bar . (minimum-space . 1.5))
392 (clef . (minimum-space . 2.0))
393 (first-note . (fixed-space . 1.0)) ;huh?
394 (right-edge . (extra-space . 0.1))))
395 (stencil . ,ly:text-interface::print)
396 (text . ,(make-musicglyph-markup "scripts.rcomma"))
397 (Y-offset . ,ly:breathing-sign::offset-callback)
398 (break-visibility . ,begin-of-line-invisible)
399 (meta . ((class . Item)
400 (interfaces . (break-aligned-interface
401 breathing-sign-interface
407 (stencil . ,ly:clef::print)
408 (glyph-name . ,ly:clef::calc-glyph-name)
410 (font-family . music)
411 (break-align-symbol . clef)
412 (break-visibility . ,begin-of-line-visible)
413 (space-alist . ((ambitus . (extra-space . 2.0))
414 (staff-bar . (extra-space . 0.7))
415 (key-cancellation . (minimum-space . 3.5))
416 (key-signature . (minimum-space . 3.5))
417 (time-signature . (minimum-space . 4.2))
418 (first-note . (minimum-fixed-space . 5.0))
419 (next-note . (extra-space . 0.5))
420 (right-edge . (extra-space . 0.5))))
421 (Y-offset . ,ly:staff-symbol-referencer::callback)
422 (meta . ((class . Item)
423 (interfaces . (clef-interface
424 staff-symbol-referencer-interface
426 break-aligned-interface))))))
428 (ClusterSpannerBeacon
430 (Y-extent . ,ly:cluster-beacon::height)
431 (meta . ((class . Item)
432 (interfaces . (cluster-beacon-interface))))))
436 (springs-and-rods . ,ly:spanner::set-spacing-rods)
437 (stencil . ,ly:cluster::print)
438 (minimum-length . 0.0)
441 (meta . ((class . Spanner)
442 (interfaces . (cluster-interface))))))
446 (stencil . ,ly:text-interface::print)
447 (after-line-breaking . ,ly:chord-name::after-line-breaking)
451 (meta . ((class . Item)
452 (interfaces . (font-interface
453 rhythmic-grob-interface
460 (stencil . ,ly:text-interface::print)
461 (no-spacing-rods . #t)
462 (Y-offset . ,ly:side-position-interface::y-aligned-side)
463 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
466 (staff-padding . 0.5)
467 (script-priority . 200)
468 ;; todo: add X self alignment?
472 (meta . ((class . Item)
473 (interfaces . (text-script-interface
475 side-position-interface
480 (break-align-symbol . custos)
482 (stencil . ,ly:custos::print)
483 (break-visibility . ,end-of-line-visible)
485 (neutral-direction . ,DOWN)
486 (Y-offset . ,ly:staff-symbol-referencer::callback)
488 (first-note . (minimum-fixed-space . 0.0))
489 (right-edge . (extra-space . 0.1))))
490 (meta . ((class . Item)
493 staff-symbol-referencer-interface
495 break-aligned-interface))))))
501 (positioning-done . ,ly:dot-column::calc-positioning-done)
502 (X-extent . ,ly:axis-group-interface::width)
503 (X-offset . ,ly:dot-column::side-position)
504 (meta . ((class . Item)
505 (interfaces . (dot-column-interface
506 axis-group-interface))))))
510 (stencil . ,ly:dots::print)
512 (meta . ((class . Item)
513 (interfaces . (font-interface
514 staff-symbol-referencer-interface
519 (stencil . ,ly:percent-repeat-item-interface::double-percent)
522 (font-encoding . fetaMusic)
525 (break-align-symbol . staff-bar)
526 (break-visibility . ,begin-of-line-invisible)
527 (meta . ((class . Item)
528 (interfaces . (font-interface
529 break-aligned-interface
530 percent-repeat-interface))))))
532 (DoublePercentRepeatCounter
534 (stencil . ,ly:text-interface::print)
535 (X-offset . ,(ly:make-simple-closure `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::centered-on-y-parent))
536 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self)))))
537 (Y-offset . ,ly:side-position-interface::y-aligned-side)
538 (font-encoding . fetaNumber)
539 (self-alignment-X . 0)
543 (staff-padding . 0.25)
545 (meta . ((class . Item)
546 (interfaces . (side-position-interface
547 self-alignment-interface
548 percent-repeat-interface
554 (Y-offset . ,ly:side-position-interface::y-aligned-side)
555 (staff-padding . 0.1)
557 (avoid-slur . outside)
559 (minimum-space . 1.2)
562 (Y-extent . ,ly:axis-group-interface::height)
563 (X-extent . ,ly:axis-group-interface::width)
564 (meta . ((class . Spanner)
565 (interfaces . (axis-group-interface
567 dynamic-line-spanner-interface
568 side-position-interface))))))
575 (stencil . ,ly:text-interface::print)
576 (direction . ,ly:script-interface::calc-direction)
578 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
579 (self-alignment-X . 0)
580 (Y-offset . ,ly:self-alignment-interface::y-aligned-on-self)
581 (self-alignment-Y . 0)
583 (font-encoding . fetaDynamic)
584 (font-shape . italic)
585 (avoid-slur . around)
586 (no-spacing-rods . #t)
587 (script-priority . 100)
588 (meta . ((class . Item)
589 (interfaces . (font-interface
591 self-alignment-interface
593 script-interface))))))
597 (stencil . ,ly:dynamic-text-spanner::print)
599 ;; rather ugh with NCSB
600 ;; (font-series . bold)
601 (font-shape . italic)
602 (style . dashed-line)
604 ;; need to blend with dynamic texts.
606 (bound-padding . 0.75)
607 (dash-fraction . 0.2)
609 (meta . ((class . Spanner)
610 (interfaces . (font-interface
612 line-spanner-interface
614 dynamic-text-spanner-interface
615 spanner-interface))))))
621 ;; sync with TextScript (?)
624 (avoid-slur . around)
626 (staff-padding . 0.5)
627 (self-alignment-X . 0)
628 (self-alignment-Y . 0)
629 (script-priority . 100)
631 (stencil . ,ly:text-interface::print)
632 (direction . ,ly:script-interface::calc-direction)
634 (font-encoding . fetaNumber)
635 (font-size . -5) ; don't overlap when next to heads.
636 (meta . ((class . Item)
637 (interfaces . (finger-interface
639 text-script-interface
641 side-position-interface
642 self-alignment-interface
648 (zigzag-width . 0.75)
652 (stencil . ,ly:line-spanner::print)
653 (after-line-breaking . ,ly:line-spanner::after-line-breaking)
654 (meta . ((class . Spanner)
655 (interfaces . (line-interface
656 line-spanner-interface))))))
660 (common-shortest-duration . ,grace-spacing::calc-shortest-duration)
661 (spacing-increment . 0.8)
662 (shortest-duration-space . 1.6)
663 (meta . ((class . Spanner)
664 (interfaces . (grace-spacing-interface
666 spacing-options-interface
667 spanner-interface))))))
672 (meta . ((class . Item)
673 (interfaces . (grid-point-interface))))))
677 (X-extent . ,ly:grid-line-interface::width)
678 (stencil . ,ly:grid-line-interface::print)
679 (self-alignment-X . ,CENTER)
680 (X-offset . ,(ly:make-simple-closure
681 `(,+ ,(ly:make-simple-closure
682 (list ly:self-alignment-interface::centered-on-x-parent))
683 ,(ly:make-simple-closure
684 (list ly:self-alignment-interface::x-aligned-on-self)))))
686 (meta . ((class . Item)
687 (interfaces . (self-alignment-interface
688 grid-line-interface))))))
692 (stencil . ,ly:hairpin::print)
693 (springs-and-rods . ,ly:spanner::set-spacing-rods)
694 (after-line-breaking . ,ly:hairpin::after-line-breaking)
698 (minimum-length . 2.0)
699 (bound-padding . 1.0)
700 (self-alignment-Y . 0)
701 (Y-offset . ,ly:self-alignment-interface::y-aligned-on-self)
702 (meta . ((class . Spanner)
703 (interfaces . (hairpin-interface
705 self-alignment-interface
707 spanner-interface))))))
712 (stencil . ,ly:horizontal-bracket::print)
713 (Y-offset . ,ly:side-position-interface::y-aligned-side)
715 (staff-padding . 0.2)
718 (bracket-flare . (0.5 . 0.5))
719 (meta . ((class . Spanner)
720 (interfaces . (horizontal-bracket-interface
721 side-position-interface
723 spanner-interface))))))
727 (stencil . ,ly:system-start-text::print)
728 (X-offset . ,ly:side-position-interface::x-aligned-side)
730 (self-alignment-Y . ,CENTER)
731 (meta . ((class . Spanner)
732 (interfaces . (system-start-text-interface
733 side-position-interface
739 (stencil . ,ly:text-interface::print)
740 (Y-offset . ,ly:side-position-interface::y-aligned-side)
741 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
744 (self-alignment-X . ,CENTER)
745 (meta . ((class . Item)
746 (interfaces . (system-start-text-interface
747 side-position-interface
752 (stencil . ,ly:key-signature-interface::print)
754 (time-signature . (extra-space . 1.25))
755 (staff-bar . (extra-space . 0.6))
756 (key-signature . (extra-space . 0.5))
757 (right-edge . (extra-space . 0.5))
758 (first-note . (fixed-space . 2.5))))
759 (Y-offset . ,ly:staff-symbol-referencer::callback)
760 (break-align-symbol . key-cancellation)
761 (break-visibility . ,begin-of-line-invisible)
763 (meta . ((class . Item)
764 (interfaces . (key-signature-interface
766 break-aligned-interface))))))
769 (stencil . ,ly:key-signature-interface::print)
771 (time-signature . (extra-space . 1.15))
772 (staff-bar . (extra-space . 1.1))
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-signature)
777 (break-visibility . ,begin-of-line-visible)
779 (meta . ((class . Item)
780 (interfaces . (key-signature-interface
782 break-aligned-interface))))))
787 (stencil . ,ly:tie::print)
788 (control-points . ,ly:semi-tie::calc-control-points)
789 (direction . ,ly:semi-tie::calc-direction)
790 (details . ((ratio . 0.333)
791 (height-limit . 1.0)))
793 (meta . ((class . Item)
794 (interfaces . (semi-tie-interface))
798 (LaissezVibrerTieColumn
802 (head-direction . ,LEFT)
803 (positioning-done . ,ly:semi-tie-column::calc-positioning-done)
804 (meta . ((class . Item)
805 (interfaces . (semi-tie-column-interface))
811 (springs-and-rods . ,ly:ledger-line-spanner::set-spacing-rods)
812 (stencil . ,ly:ledger-line-spanner::print)
815 (minimum-length-fraction . 0.25)
816 (length-fraction . 0.25)
818 (meta . ((class . Spanner)
819 (interfaces . (ledger-line-interface))))))
823 (break-align-symbol . left-edge)
826 (break-visibility . ,center-invisible)
828 (custos . (extra-space . 0.0))
829 (ambitus . (extra-space . 2.0))
830 (time-signature . (extra-space . 1.0))
831 (staff-bar . (extra-space . 0.0))
832 (breathing-sign . (minimum-space . 0.0))
833 (clef . (extra-space . 0.8))
834 (first-note . (fixed-space . 2.0))
835 (right-edge . (extra-space . 0.0))
836 (key-signature . (extra-space . 0.0))
837 (key-cancellation . (extra-space . 0.0))
839 (meta . ((class . Item)
840 (interfaces . (break-aligned-interface))))))
844 ;; ugh. A ligature bracket is totally different from
849 (edge-height . (0.7 . 0.7))
850 (shorten-pair . (-0.2 . -0.2))
852 (positions . ,ly:tuplet-bracket::calc-positions)
853 (stencil . ,ly:tuplet-bracket::print)
854 (staff-padding . 0.25)
855 (connect-to-neighbor . ,ly:tuplet-bracket::calc-connect-to-neighbors)
856 (control-points . ,ly:tuplet-bracket::calc-control-points)
857 (meta . ((class . Spanner)
858 (interfaces . (line-interface
859 tuplet-bracket-interface))))))
864 (stencil . ,ly:lyric-extender::print)
865 (thickness . 0.8) ; line-thickness
866 (minimum-length . 1.5)
868 (meta . ((class . Spanner)
869 (interfaces . (lyric-interface
870 lyric-extender-interface))))))
878 (minimum-length . 0.3)
879 (minimum-distance . 0.1)
881 (springs-and-rods . ,ly:hyphen-spanner::set-spacing-rods)
882 (stencil . ,ly:hyphen-spanner::print)
884 (meta . ((class . Spanner)
885 (interfaces . (lyric-interface
887 lyric-hyphen-interface
888 spanner-interface))))))
891 . ((minimum-distance . 0.45)
892 (springs-and-rods . ,ly:hyphen-spanner::set-spacing-rods)
896 (meta . ((class . Spanner)
897 (interfaces . (spanner-interface
898 lyric-hyphen-interface spacing-interface))
903 (stencil . ,ly:text-interface::print)
904 (X-offset . ,ly:self-alignment-interface::aligned-on-x-parent)
905 (self-alignment-X . 0)
907 (font-series . bold-narrow)
909 (meta . ((class . Item)
910 (interfaces . (rhythmic-grob-interface
911 lyric-syllable-interface
912 self-alignment-interface
919 (Y-offset . ,ly:side-position-interface::y-aligned-side)
921 (stencil . ,ly:measure-grouping::print)
927 (meta . ((class . Spanner)
928 (interfaces . (side-position-interface
929 measure-grouping-interface))))))
933 (neutral-direction . ,DOWN)
934 (meta . ((class . Item)
935 (interfaces . (melody-spanner-interface spacing-interface))))))
940 (stencil . ,ly:mensural-ligature::print)
941 (meta . ((class . Spanner)
942 (interfaces . (mensural-ligature-interface
947 (stencil . ,ly:text-interface::print)
948 (Y-offset . ,ly:side-position-interface::y-aligned-side)
952 (meta . ((class . Item)
953 (interfaces . (text-interface
954 side-position-interface
956 metronome-mark-interface))))))
961 (stencil . ,ly:multi-measure-rest::print)
962 (springs-and-rods . ,ly:multi-measure-rest::set-spacing-rods)
963 (Y-offset . ,ly:staff-symbol-referencer::callback)
966 (thick-thickness . 6.6)
967 (hair-thickness . 2.0)
969 (meta . ((class . Spanner)
970 (interfaces . (multi-measure-rest-interface
971 multi-measure-interface
974 staff-symbol-referencer-interface))))))
977 (MultiMeasureRestNumber
979 (bound-padding . 2.0)
980 (springs-and-rods . ,ly:multi-measure-rest::set-text-rods)
981 (stencil . ,ly:text-interface::print)
982 (X-offset . ,(ly:make-simple-closure
983 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self))
984 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-centered-on-y-parent)))))
985 (Y-offset . ,ly:side-position-interface::y-aligned-side)
987 (self-alignment-X . 0)
990 (staff-padding . 0.4)
991 (font-encoding . fetaNumber)
992 (meta . ((class . Spanner)
993 (interfaces . (side-position-interface
994 multi-measure-interface
995 self-alignment-interface
1000 (MultiMeasureRestText
1002 (stencil . ,ly:text-interface::print)
1003 (X-offset . ,(ly:make-simple-closure
1004 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-centered-on-y-parent))
1005 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self)))))
1007 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1008 (self-alignment-X . 0)
1011 (staff-padding . 0.25)
1012 (meta . ((class . Spanner)
1013 (interfaces . (side-position-interface
1014 multi-measure-interface
1015 self-alignment-interface
1017 text-interface))))))
1022 (X-extent . ,ly:axis-group-interface::width)
1023 (Y-extent . ,ly:axis-group-interface::height)
1024 (positioning-done . ,ly:note-collision-interface::calc-positioning-done)
1025 (meta . ((class . Item)
1026 (interfaces . (note-collision-interface
1027 axis-group-interface))))))
1032 (X-extent . ,ly:axis-group-interface::width)
1033 (Y-extent . ,ly:axis-group-interface::height)
1034 (meta . ((class . Item)
1035 (interfaces . (axis-group-interface
1036 note-column-interface))))))
1040 (stencil . ,ly:note-head::print)
1041 (stem-attachment . ,ly:note-head::calc-stem-attachment)
1042 (glyph-name . ,note-head::calc-glyph-name)
1043 (Y-offset . ,ly:staff-symbol-referencer::callback)
1044 (X-offset . ,ly:note-head::stem-x-shift)
1045 (meta . ((class . Item)
1046 (interfaces . (rhythmic-grob-interface
1047 rhythmic-head-interface
1051 staff-symbol-referencer-interface))))))
1055 (stem-spacing-correction . 0.5)
1056 (same-direction-correction . 0.25)
1057 ;; Changed this from 0.75.
1058 ;; If you ever change this back, please document! --hwn
1059 (knee-spacing-correction . 1.0)
1060 (meta . ((class . Item)
1061 (interfaces . (spacing-interface
1062 note-spacing-interface))))))
1066 (stencil . ,ly:text-interface::print)
1067 (meta . ((class . Item)
1068 (interfaces . (note-name-interface
1070 font-interface))))))
1074 (self-alignment-X . 0)
1075 (break-visibility . ,begin-of-line-visible)
1076 (X-offset . ,(ly:make-simple-closure
1077 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self))
1078 ,(ly:make-simple-closure (list ly:self-alignment-interface::centered-on-x-parent)))))
1080 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1081 (stencil . ,ly:text-interface::print)
1083 ;; no Y dimensions, because of lyrics under tenor clef.
1084 (Y-extent . (0 . 0))
1085 (font-shape . italic)
1087 (staff-padding . 0.2)
1089 (meta . ((class . Item)
1090 (interfaces . (text-interface
1091 self-alignment-interface
1092 side-position-interface
1093 font-interface))))))
1097 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1098 (stencil . ,ly:ottava-bracket::print)
1099 (font-shape . italic)
1100 (shorten-pair . (0.0 . -0.6))
1101 (staff-padding . 1.0)
1103 (minimum-length . 1.0)
1104 (dash-fraction . 0.3)
1105 (edge-height . (0 . 1.2))
1107 (meta . ((class . Spanner)
1108 (interfaces . (ottava-bracket-interface
1109 horizontal-bracket-interface
1111 side-position-interface
1113 text-interface))))))
1118 (before-line-breaking . ,ly:paper-column::before-line-breaking)
1119 ;; (stencil . ,ly:paper-column::print)
1120 (X-extent . ,ly:axis-group-interface::width)
1123 ;; (font-size . -6) (font-name . "sans") (Y-extent . #f)
1124 (meta . ((class . Paper_column)
1125 (interfaces . (paper-column-interface
1126 axis-group-interface
1127 spaceable-grob-interface))))))
1130 . ((stencil . ,parentheses-item::print)
1133 (meta . ((class . Item)
1134 (interfaces . (parentheses-interface font-interface))))
1138 . ((details . ,default-slur-details)
1139 (control-points . ,ly:slur::calc-control-points)
1140 (direction . ,ly:slur::calc-direction)
1141 (springs-and-rods . ,ly:spanner::set-spacing-rods)
1142 (Y-extent . ,ly:slur::height)
1143 (stencil . ,ly:slur::print)
1145 (minimum-length . 1.5)
1146 (height-limit . 2.0)
1148 (meta . ((class . Spanner)
1149 (interfaces . (slur-interface))))))
1151 (NonMusicalPaperColumn
1154 (before-line-breaking . ,ly:paper-column::before-line-breaking)
1155 (X-extent . ,ly:axis-group-interface::width)
1156 ;; (stencil . ,ly:paper-column::print)
1159 (line-break-permission . allow)
1160 (page-break-permission . allow)
1162 ;; debugging stuff: print column number.
1163 ;; (font-size . -6) (font-name . "sans") (Y-extent . #f)
1165 (meta . ((class . Paper_column)
1166 (interfaces . (paper-column-interface
1167 axis-group-interface
1168 spaceable-grob-interface))))))
1172 (springs-and-rods . ,ly:multi-measure-rest::set-spacing-rods)
1173 (stencil . ,ly:multi-measure-rest::percent)
1176 (font-encoding . fetaMusic)
1177 (meta . ((class . Spanner)
1178 (interfaces . (multi-measure-rest-interface
1180 percent-repeat-interface))))))
1181 (PercentRepeatCounter
1183 (stencil . ,ly:text-interface::print)
1184 (X-offset . ,(ly:make-simple-closure
1185 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-centered-on-y-parent))
1186 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self)))))
1187 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1188 (self-alignment-X . 0)
1191 (staff-padding . 0.25)
1193 (font-encoding . fetaNumber)
1194 (meta . ((class . Spanner)
1195 (interfaces . (side-position-interface
1196 self-alignment-interface
1197 percent-repeat-interface
1199 text-interface))))))
1201 ;; an example of a text spanner
1204 (stencil . ,ly:piano-pedal-bracket::print)
1206 (bound-padding . 1.0)
1208 (bracket-flare . (0.5 . 0.5))
1209 (edge-height . (1.0 . 1.0))
1210 (shorten-pair . (0.0 . 0.0))
1212 (meta . ((class . Spanner)
1213 (interfaces . (line-interface
1214 piano-pedal-interface
1215 piano-pedal-bracket-interface))))))
1219 (stencil . ,ly:text-interface::print)
1220 (X-offset . ,(ly:make-simple-closure
1222 ,(ly:make-simple-closure
1223 (list ly:break-alignment-align-interface::self-align-callback))
1224 ,(ly:make-simple-closure
1225 (list ly:self-alignment-interface::x-aligned-on-self)))))
1227 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1228 (self-alignment-X . 0)
1233 (break-visibility . ,end-of-line-invisible)
1234 (break-align-symbol . staff-bar)
1236 (meta . ((class . Item)
1237 (interfaces . (text-interface
1238 side-position-interface
1239 break-alignment-align-interface
1242 self-alignment-interface))))))
1247 (stencil . ,ly:percent-repeat-item-interface::beat-slash)
1250 (meta . ((class . Item)
1251 (interfaces . (percent-repeat-interface))))))
1254 (stencil . ,ly:tie::print)
1255 (control-points . ,ly:semi-tie::calc-control-points)
1256 (direction . ,ly:semi-tie::calc-direction)
1257 (details . ((ratio . 0.333)
1258 (height-limit . 1.0)))
1260 (meta . ((class . Item)
1261 (interfaces . (semi-tie-interface))
1269 (head-direction . ,RIGHT)
1270 (positioning-done . ,ly:semi-tie-column::calc-positioning-done)
1271 (meta . ((class . Item)
1272 (interfaces . (semi-tie-column-interface))
1278 (stencil . ,ly:rest::print)
1279 (X-extent . ,ly:rest::width)
1280 (Y-extent . ,ly:rest::height)
1281 (Y-offset . ,ly:rest::y-offset-callback)
1282 (minimum-distance . 0.25)
1283 (meta . ((class . Item)
1284 (interfaces . (font-interface
1285 rhythmic-head-interface
1286 rhythmic-grob-interface
1287 staff-symbol-referencer-interface
1288 rest-interface))))))
1292 (minimum-distance . 0.75)
1293 (positioning-done . ,ly:rest-collision::calc-positioning-done)
1294 (meta . ((class . Item)
1295 (interfaces . (rest-collision-interface))))))
1299 ;; don't set direction here: it breaks staccato.
1301 ;; padding set in script definitions.
1302 (staff-padding . 0.25)
1303 ;; (script-priority . 0) priorities for scripts, see script.scm
1304 (X-offset . , ly:self-alignment-interface::centered-on-x-parent)
1306 (stencil . ,ly:script-interface::print)
1307 (direction . ,ly:script-interface::calc-direction)
1308 (font-encoding . fetaMusic)
1309 (meta . ((class . Item)
1310 (interfaces . (script-interface
1311 side-position-interface
1312 font-interface))))))
1316 (before-line-breaking . ,ly:script-column::before-line-breaking)
1317 (meta . ((class . Item)
1318 (interfaces . (script-column-interface))))))
1324 (meta . ((class . Item)
1325 (interfaces . (spacing-interface
1326 separation-item-interface))))))
1328 (SeparatingGroupSpanner
1330 (springs-and-rods . ,ly:separating-group-spanner::set-spacing-rods)
1331 (meta . ((class . Spanner)
1332 (interfaces . (only-prebreak-interface
1334 separation-spanner-interface))))))
1337 . ((details . ,default-slur-details)
1338 (control-points . ,ly:slur::calc-control-points)
1339 (direction . ,ly:slur::calc-direction)
1340 (springs-and-rods . ,ly:spanner::set-spacing-rods)
1341 (Y-extent . ,ly:slur::height)
1342 (stencil . ,ly:slur::print)
1344 (line-thickness . 0.8)
1345 (minimum-length . 1.5)
1346 (height-limit . 2.0)
1348 (avoid-slur . inside)
1349 (meta . ((class . Spanner)
1350 (interfaces . (slur-interface))))))
1354 (stencil . ,ly:text-interface::print)
1355 (direction . ,RIGHT)
1356 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1357 (no-spacing-rods . #t)
1358 (padding . 0.0) ;; padding relative to SostenutoPedalLineSpanner
1359 (font-shape . italic)
1360 (self-alignment-X . 0)
1361 (meta . ((class . Item)
1362 (interfaces . (text-interface
1363 self-alignment-interface
1364 font-interface))))))
1366 (SostenutoPedalLineSpanner
1369 (Y-extent . ,ly:axis-group-interface::height)
1370 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1372 (staff-padding . 1.0)
1374 (minimum-space . 1.0)
1376 (meta . ((class . Spanner)
1377 (interfaces . (piano-pedal-interface
1378 axis-group-interface
1379 side-position-interface))))))
1382 (springs-and-rods . ,ly:spacing-spanner::set-springs)
1383 (common-shortest-duration . ,ly:spacing-spanner::calc-common-shortest-duration)
1384 (average-spacing-wishes . #t)
1385 (shortest-duration-space . 2.0)
1386 (spacing-increment . 1.2)
1388 (base-shortest-duration . ,(ly:make-moment 3 16))
1389 (meta . ((class . Spanner)
1390 (interfaces . (spacing-interface
1391 spacing-options-interface
1392 spacing-spanner-interface))))))
1396 (break-align-symbol . staff-bar)
1400 (stencil . ,ly:span-bar::print)
1401 (bar-size . ,ly:span-bar::calc-bar-size)
1402 (X-extent . ,ly:span-bar::width)
1403 (glyph-name . ,ly:span-bar::calc-glyph-name)
1404 (before-line-breaking . ,ly:span-bar::before-line-breaking)
1409 ;; Ross. page 151 lists other values, we opt for a leaner look
1413 (hair-thickness . 1.6)
1414 (thick-thickness . 6.0)
1415 (meta . ((class . Item)
1416 (interfaces . (span-bar-interface
1418 bar-line-interface))))))
1422 (stencil . ,ly:text-interface::print)
1423 (font-series . bold)
1425 (X-offset . ,ly:side-position-interface::x-aligned-side)
1428 (meta . ((class . Item)
1429 (interfaces . (side-position-interface
1430 stanza-number-interface
1432 font-interface))))))
1438 (stem-spacing-correction . 0.4)
1439 (meta . ((class . Item)
1440 (interfaces . (spacing-interface
1441 staff-spacing-interface))))))
1446 (Y-extent . ,ly:staff-symbol::height)
1447 (stencil . ,ly:staff-symbol::print)
1449 (ledger-line-thickness . (1.0 . 0.1))
1451 (meta . ((class . Spanner)
1452 (interfaces . (staff-symbol-interface))))))
1456 (direction . ,ly:stem::calc-direction)
1457 (default-direction . ,ly:stem::calc-default-direction)
1458 (stem-end-position . ,ly:stem::calc-stem-end-position)
1459 (neutral-direction . ,DOWN)
1460 (stem-info . ,ly:stem::calc-stem-info)
1461 (positioning-done . ,ly:stem::calc-positioning-done)
1462 (stencil . ,ly:stem::print)
1463 (X-extent . ,ly:stem::width)
1464 (Y-extent . ,ly:stem::height)
1465 (length . ,ly:stem::calc-length)
1469 ;; 3.5 (or 3 measured from note head) is standard length
1470 ;; 32nd, 64th flagged stems should be longer
1471 (lengths . (3.5 3.5 3.5 4.5 5.0))
1473 ;; FIXME. 3.5 yields too long beams (according to Ross and
1474 ;; looking at Baerenreiter examples) for a number of common
1475 ;; boundary cases. Subtracting half a beam thickness fixes
1476 ;; this, but the bug may well be somewhere else.
1478 ;; FIXME this should come from 'lengths
1479 (beamed-lengths . (3.26 3.5 3.6))
1481 ;; The 'normal' minima
1482 (beamed-minimum-free-lengths . (1.83 1.5 1.25))
1483 ;(beamed-minimum-free-lengths . (2.0 1.83 1.25))
1485 ;; The 'extreme case' minima
1486 (beamed-extreme-minimum-free-lengths . (2.0 1.25))
1488 ;; Stems in unnatural (forced) direction should be shortened by
1489 ;; one staff space, according to [Roush & Gourlay].
1490 ;; Flagged stems we shorten only half a staff space.
1491 (stem-shorten . (1.0 0.5))
1495 ;; We use the normal minima as minimum for the ideal lengths,
1496 ;; and the extreme minima as abolute minimum length.
1498 (X-offset . ,ly:stem::offset-callback)
1499 (Y-offset . ,ly:staff-symbol-referencer::callback)
1500 (meta . ((class . Item)
1501 (interfaces . (stem-interface
1502 font-interface))))))
1506 (Y-extent . ,ly:stem-tremolo::height)
1507 (stencil . ,ly:stem-tremolo::print)
1509 (slope . ,ly:stem-tremolo::calc-slope)
1510 (beam-width . ,ly:stem-tremolo::calc-width) ; staff-space
1511 (style . ,ly:stem-tremolo::calc-style)
1512 (beam-thickness . 0.48) ; staff-space
1513 (meta . ((class . Item)
1514 (interfaces . (stem-tremolo-interface))))))
1518 (stencil . ,print-circled-text-callback)
1520 (staff-padding . 0.5)
1521 (self-alignment-X . 0)
1522 (self-alignment-Y . 0)
1523 (script-priority . 100)
1524 (font-encoding . fetaNumber)
1525 (font-size . -5) ; don't overlap when next to heads.
1526 (meta . ((class . Item)
1527 (interfaces . (string-number-interface
1529 text-script-interface
1531 side-position-interface
1532 self-alignment-interface
1533 item-interface))))))
1537 (no-spacing-rods . #t)
1538 (stencil . ,ly:sustain-pedal::print)
1539 (self-alignment-X . 0)
1540 (direction . ,RIGHT)
1541 (padding . 0.0) ;; padding relative to SustainPedalLineSpanner
1542 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1543 (meta . ((class . Item)
1544 (interfaces . (piano-pedal-interface
1545 text-spanner-interface
1546 line-spanner-interface
1548 self-alignment-interface
1549 font-interface))))))
1551 (SustainPedalLineSpanner
1554 (Y-extent . ,ly:axis-group-interface::height)
1555 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1558 (staff-padding . 1.2)
1559 (minimum-space . 1.0)
1561 (meta . ((class . Spanner)
1562 (interfaces . (piano-pedal-interface
1563 axis-group-interface
1564 side-position-interface))))))
1569 (X-extent . ,ly:axis-group-interface::width)
1570 (Y-extent . ,ly:axis-group-interface::height)
1571 (meta . ((class . System)
1572 (interfaces . (system-interface
1573 axis-group-interface))))))
1579 (stencil . ,ly:system-start-delimiter::print)
1580 (collapse-height . 5.0)
1581 (X-offset . ,ly:side-position-interface::x-aligned-side)
1583 (font-encoding . fetaBraces)
1585 (meta . ((class . Spanner)
1586 (interfaces . (system-start-delimiter-interface
1587 side-position-interface
1588 font-interface))))))
1594 (X-offset . ,ly:side-position-interface::x-aligned-side)
1596 (stencil . ,ly:system-start-delimiter::print)
1597 (style . line-bracket)
1599 (meta . ((class . Spanner)
1600 (interfaces . (font-interface
1601 side-position-interface
1602 system-start-delimiter-interface))))))
1607 (X-offset . ,ly:side-position-interface::x-aligned-side)
1609 (stencil . ,ly:system-start-delimiter::print)
1611 (collapse-height . 5.0)
1613 (meta . ((class . Spanner)
1614 (interfaces . (font-interface
1615 side-position-interface
1616 system-start-delimiter-interface))))))
1623 (padding . -0.1) ;; bar must cover rounded ending of staff line.
1624 (X-offset . ,ly:side-position-interface::x-aligned-side)
1628 (stencil . ,ly:system-start-delimiter::print)
1629 (meta . ((class . Spanner)
1630 (interfaces . (side-position-interface
1631 system-start-delimiter-interface))))))
1636 (stencil . ,ly:text-interface::print)
1637 (Y-offset . ,ly:staff-symbol-referencer::callback)
1639 (stem-attachment . (0.0 . 1.35))
1640 (font-series . bold)
1641 (meta . ((class . Item)
1643 . (rhythmic-head-interface
1644 font-interface rhythmic-grob-interface
1646 staff-symbol-referencer-interface
1647 text-interface))))))
1651 (no-spacing-rods . #t)
1652 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1655 ;; sync with Fingering ?
1657 (staff-padding . 0.5)
1659 (stencil . ,ly:text-interface::print)
1660 (direction . ,ly:script-interface::calc-direction)
1662 (avoid-slur . around)
1663 (slur-padding . 0.5)
1664 (script-priority . 200)
1665 ;; todo: add X self alignment?
1666 (meta . ((class . Item)
1667 (interfaces . (text-script-interface
1669 side-position-interface
1670 font-interface))))))
1674 (stencil . ,ly:text-spanner::print)
1675 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1676 (font-shape . italic)
1677 (style . dashed-line)
1678 (staff-padding . 0.8)
1679 (dash-fraction . 0.2)
1683 (meta . ((class . Spanner)
1684 (interfaces . (text-spanner-interface
1685 line-spanner-interface
1686 side-position-interface
1687 font-interface))))))
1691 (control-points . ,ly:tie::calc-control-points)
1692 (springs-and-rods . ,ly:spanner::set-spacing-rods)
1693 (avoid-slur . inside)
1694 (direction . ,ly:tie::calc-direction)
1695 (stencil . ,ly:tie::print)
1698 ;; for a full list, see tie-helper.cc
1700 (center-staff-line-clearance . 0.6)
1701 (tip-staff-line-clearance . 0.45)
1702 (note-head-gap . 0.2)
1704 (height-limit . 1.0)
1705 (horizontal-distance-penalty-factor . 10)
1706 (min-length-penalty-factor . 20)
1707 (tie-tie-collision-distance . 0.45)
1708 (tie-tie-collision-penalty . 25.0)
1709 (intra-space-threshold . 1.25)
1710 (outer-tie-vertical-distance-symmetry-penalty-factor . 10)
1711 (outer-tie-length-symmetry-penalty-factor . 10)
1712 (outer-tie-vertical-gap . 0.25)
1713 (multi-tie-region-size . 1)
1714 (between-length-limit . 1.0)))
1717 (line-thickness . 0.8)
1718 (meta . ((class . Spanner)
1719 (interfaces . (tie-interface))))
1724 (positioning-done . ,ly:tie-column::calc-positioning-done)
1725 (before-line-breaking . ,ly:tie-column::before-line-breaking)
1728 (meta . ((class . Spanner)
1729 (interfaces . (tie-column-interface))))))
1733 (stencil . ,ly:time-signature::print)
1734 (break-align-symbol . time-signature)
1735 (break-visibility . ,all-visible)
1737 (first-note . (fixed-space . 2.0))
1738 (right-edge . (extra-space . 0.5))
1739 (staff-bar . (minimum-space . 2.0))))
1742 (meta . ((class . Item)
1743 (interfaces . (time-signature-interface
1744 break-aligned-interface
1745 font-interface))))))
1749 (stencil . ,ly:dynamic-text-spanner::print)
1750 (edge-text . ,(cons (make-musicglyph-markup "scripts.trill")
1753 (staff-padding . 1.0)
1756 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1758 (meta . ((class . Spanner)
1759 (interfaces . (text-spanner-interface
1760 line-spanner-interface
1761 side-position-interface
1762 font-interface))))))
1764 (TrillPitchAccidental
1765 . ((X-offset . ,ly:side-position-interface::x-aligned-side)
1770 (stencil . ,ly:accidental-interface::print)
1771 (meta . ((class . Item)
1772 (interfaces . (item-interface
1773 side-position-interface
1774 font-interface))))))
1777 . ((X-offset . ,ly:side-position-interface::x-aligned-side)
1780 (stencil . ,parenthesize-elements)
1781 (direction . ,RIGHT)
1784 (meta . ((class . Item)
1785 (interfaces . (side-position-interface
1787 rhythmic-head-interface
1789 accidental-interface
1790 axis-group-interface))))))
1794 (stencil . ,ly:note-head::print)
1796 (Y-offset . ,ly:staff-symbol-referencer::callback)
1798 (meta . ((class . Item)
1799 (interfaces . (item-interface
1800 rhythmic-head-interface
1802 pitched-trill-interface
1804 staff-symbol-referencer-interface))))))
1810 (edge-height . (0.7 . 0.7))
1811 (shorten-pair . (-0.2 . -0.2))
1812 (staff-padding . 0.25)
1813 (direction . ,ly:tuplet-bracket::calc-direction)
1814 (positions . ,ly:tuplet-bracket::calc-positions)
1815 (connect-to-neighbor . ,ly:tuplet-bracket::calc-connect-to-neighbors)
1816 (control-points . ,ly:tuplet-bracket::calc-control-points)
1817 (stencil . ,ly:tuplet-bracket::print)
1819 (meta . ((class . Spanner)
1820 (interfaces . (line-interface
1821 tuplet-bracket-interface))))))
1825 (stencil . ,ly:tuplet-number::print)
1826 (text . ,tuplet-number::calc-denominator-text)
1827 (font-shape . italic)
1829 (avoid-slur . inside)
1830 (meta . ((class . Spanner)
1831 (interfaces . (text-interface tuplet-number-interface
1832 font-interface))))))
1836 (stencil . ,ly:text-interface::print)
1837 (font-shape . italic)
1838 (no-spacing-rods . #t)
1839 (self-alignment-X . 0)
1840 (direction . ,RIGHT)
1841 (padding . 0.0) ;; padding relative to UnaCordaPedalLineSpanner
1842 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1843 (meta . ((class . Item)
1844 (interfaces . (text-interface
1845 self-alignment-interface
1846 font-interface))))))
1848 (UnaCordaPedalLineSpanner
1851 (Y-extent . ,ly:axis-group-interface::height)
1852 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1855 (staff-padding . 1.2)
1856 (minimum-space . 1.0)
1858 (meta . ((class . Spanner)
1859 (interfaces . (piano-pedal-interface
1860 axis-group-interface
1861 side-position-interface))))))
1867 (stencil . ,ly:vaticana-ligature::print)
1868 (meta . ((class . Spanner)
1869 (interfaces . (vaticana-ligature-interface
1870 font-interface))))))
1875 (positioning-done . ,ly:align-interface::calc-positioning-done)
1876 (after-line-breaking . ,ly:align-interface::stretch-after-break)
1877 (Y-extent . ,ly:axis-group-interface::height)
1878 (X-extent . ,ly:axis-group-interface::width)
1880 (meta . ((class . Spanner)
1881 (interfaces . (align-interface
1882 axis-group-interface))))))
1886 (Y-offset . ,ly:hara-kiri-group-spanner::force-hara-kiri-callback)
1888 (Y-extent . ,ly:hara-kiri-group-spanner::y-extent)
1889 (X-extent . ,ly:axis-group-interface::width)
1890 (meta . ((class . Spanner)
1891 (interfaces . (axis-group-interface
1892 hara-kiri-group-interface
1893 vertically-spaceable-interface))))))
1898 (stencil . ,ly:volta-bracket-interface::print)
1901 (font-encoding . fetaNumber)
1902 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1904 (thickness . 1.6) ;; line-thickness
1905 (edge-height . (2.0 . 2.0)) ;; staff-space;
1908 (meta . ((class . Spanner)
1909 (interfaces . (volta-bracket-interface
1910 horizontal-bracket-interface
1913 side-position-interface
1925 (stencil . ,ly:line-spanner::print)
1926 (after-line-breaking . ,ly:line-spanner::after-line-breaking)
1927 (meta . ((class . Spanner)
1928 (interfaces . (line-spanner-interface
1934 (define (completize-grob-entry x)
1935 "Transplant assoc key into 'name entry of 'meta of X. Set interfaces for Item, Spanner etc.
1937 ;; (display (car x))
1939 (let* ((name-sym (car x))
1940 (grob-entry (cdr x))
1941 (meta-entry (cdr (assoc 'meta grob-entry)))
1942 (class (cdr (assoc 'class meta-entry)))
1944 (cdr (assoc 'interfaces meta-entry))))
1948 (set! ifaces-entry (cons 'item-interface ifaces-entry)))
1949 ((eq? 'Spanner class)
1950 (set! ifaces-entry (cons 'spanner-interface ifaces-entry)))
1951 ((eq? 'Paper_column class)
1952 (set! ifaces-entry (cons 'item-interface
1953 (cons 'paper-column-interface ifaces-entry))))
1954 ((eq? 'System class)
1955 (set! ifaces-entry (cons 'system-interface
1956 (cons 'spanner-interface ifaces-entry))))
1958 (ly:warning "Unknown class ~a" class)))
1959 (set! ifaces-entry (cons 'grob-interface ifaces-entry))
1961 (set! meta-entry (assoc-set! meta-entry 'name name-sym))
1962 (set! meta-entry (assoc-set! meta-entry 'interfaces
1964 (set! grob-entry (assoc-set! grob-entry 'meta meta-entry))
1965 (cons name-sym grob-entry)))
1967 (set! all-grob-descriptions (map completize-grob-entry all-grob-descriptions))
1969 ;; (display (map pair? all-grob-descriptions))
1971 ;; make sure that \property Foo.Bar =\turnOff doesn't complain
1974 ;; (display (car x)) (newline)
1976 (set-object-property! (car x) 'translation-type? list?)
1977 (set-object-property! (car x) 'is-grob? #t))
1978 all-grob-descriptions)
1980 (set! all-grob-descriptions (sort all-grob-descriptions alist<?))
1983 (define pure-print-callbacks
1985 `(,ly:note-head::print . '())
1986 `(,ly:clef::print . '())
1987 `(,ly:text-interface::print . '())
1988 `(,ly:script-interface::print . '())))
1990 ;; ly:grob::stencil-extent is safe iff the print callback is safe too
1991 (define (pure-stencil-height grob start stop)
1992 (let ((sten (ly:grob-property-data grob 'stencil)))
1995 (pair? (assq sten pure-print-callbacks)))
1996 (ly:grob::stencil-height grob)
1999 (define pure-Y-extents
2001 `(,ly:staff-symbol::height . ())))
2003 (define Y-extent-conversions
2005 `(,ly:stem::height . ,ly:stem::pure-height)
2006 `(,ly:grob::stencil-height . ,pure-stencil-height)
2007 `(,ly:side-position-interface::y-aligned-side . ,ly:side-position-interface::pure-y-aligned-side)
2008 `(,ly:axis-group-interface::height . ,ly:axis-group-interface::pure-height)
2009 `(,ly:hara-kiri-group-spanner::y-extent . ,ly:hara-kiri-group-spanner::pure-height)
2010 `(,ly:slur::height . ,ly:slur::pure-height)))
2012 (define pure-Y-offsets
2014 `(,ly:staff-symbol-referencer::callback . ())))
2016 (define Y-offset-conversions
2018 `(,ly:side-position-interface::y-aligned-side . ,ly:side-position-interface::pure-y-aligned-side)))
2020 (define-public (pure-relevant grob)
2021 (let ((extent-callback (ly:grob-property-data grob 'Y-extent)))
2023 (pair? extent-callback)
2024 (pair? (assq extent-callback pure-Y-extents))
2026 (pair? (assq extent-callback Y-extent-conversions))
2028 (not (eq? extent-callback ly:grob::stencil-height))
2029 (pair? (assq (ly:grob-property-data grob 'stencil) pure-print-callbacks))
2030 (ly:stencil? (ly:grob-property-data grob 'stencil)))))))
2032 (define (pure-conversion pures conversions defsymbol defreturn rettype? grob start stop)
2033 (let* ((normal-callback (ly:grob-property-data grob defsymbol))
2034 (pure-callback (assq normal-callback conversions)))
2035 (if (rettype? normal-callback)
2037 (if (pair? (assq normal-callback pures))
2038 (normal-callback grob)
2039 (if (pair? pure-callback)
2040 ((cdr pure-callback) grob start stop)
2043 (define-public (pure-Y-extent grob start stop)
2044 (pure-conversion pure-Y-extents Y-extent-conversions
2045 'Y-extent '(0 . 0) pair? grob start stop))
2047 (define-public (pure-Y-offset grob start stop)
2048 (pure-conversion pure-Y-offsets Y-offset-conversions
2049 'Y-offset 0 number? grob start stop))