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 (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)
198 ;; want the bar number before the clef at line start.
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)
511 (dot-count . ,dots::calc-dot-count)
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)
633 (text . ,fingering::calc-text)
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 (duration-log . ,note-head::calc-duration-log)
1042 (stem-attachment . ,ly:note-head::calc-stem-attachment)
1043 (glyph-name . ,note-head::calc-glyph-name)
1044 (Y-offset . ,ly:staff-symbol-referencer::callback)
1045 (X-offset . ,ly:note-head::stem-x-shift)
1046 (meta . ((class . Item)
1047 (interfaces . (rhythmic-grob-interface
1048 rhythmic-head-interface
1052 staff-symbol-referencer-interface))))))
1056 (stem-spacing-correction . 0.5)
1057 (same-direction-correction . 0.25)
1058 ;; Changed this from 0.75.
1059 ;; If you ever change this back, please document! --hwn
1060 (knee-spacing-correction . 1.0)
1061 (meta . ((class . Item)
1062 (interfaces . (spacing-interface
1063 note-spacing-interface))))))
1067 (stencil . ,ly:text-interface::print)
1068 (meta . ((class . Item)
1069 (interfaces . (note-name-interface
1071 font-interface))))))
1075 (self-alignment-X . 0)
1076 (break-visibility . ,begin-of-line-visible)
1077 (X-offset . ,(ly:make-simple-closure
1078 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self))
1079 ,(ly:make-simple-closure (list ly:self-alignment-interface::centered-on-x-parent)))))
1081 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1082 (stencil . ,ly:text-interface::print)
1084 ;; no Y dimensions, because of lyrics under tenor clef.
1085 (Y-extent . (0 . 0))
1086 (font-shape . italic)
1088 (staff-padding . 0.2)
1090 (meta . ((class . Item)
1091 (interfaces . (text-interface
1092 self-alignment-interface
1093 side-position-interface
1094 font-interface))))))
1098 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1099 (stencil . ,ly:ottava-bracket::print)
1100 (font-shape . italic)
1101 (shorten-pair . (0.0 . -0.6))
1102 (staff-padding . 1.0)
1104 (minimum-length . 1.0)
1105 (dash-fraction . 0.3)
1106 (edge-height . (0 . 1.2))
1108 (meta . ((class . Spanner)
1109 (interfaces . (ottava-bracket-interface
1110 horizontal-bracket-interface
1112 side-position-interface
1114 text-interface))))))
1119 (before-line-breaking . ,ly:paper-column::before-line-breaking)
1120 ;; (stencil . ,ly:paper-column::print)
1121 (X-extent . ,ly:axis-group-interface::width)
1124 ;; (font-size . -6) (font-name . "sans") (Y-extent . #f)
1125 (meta . ((class . Paper_column)
1126 (interfaces . (paper-column-interface
1127 axis-group-interface
1128 spaceable-grob-interface))))))
1131 . ((stencil . ,parentheses-item::print)
1134 (meta . ((class . Item)
1135 (interfaces . (parentheses-interface font-interface))))
1139 . ((details . ,default-slur-details)
1140 (control-points . ,ly:slur::calc-control-points)
1141 (direction . ,ly:slur::calc-direction)
1142 (springs-and-rods . ,ly:spanner::set-spacing-rods)
1143 (Y-extent . ,ly:slur::height)
1144 (stencil . ,ly:slur::print)
1146 (minimum-length . 1.5)
1147 (height-limit . 2.0)
1149 (meta . ((class . Spanner)
1150 (interfaces . (slur-interface))))))
1152 (NonMusicalPaperColumn
1155 (before-line-breaking . ,ly:paper-column::before-line-breaking)
1156 (X-extent . ,ly:axis-group-interface::width)
1157 ;; (stencil . ,ly:paper-column::print)
1160 (line-break-permission . allow)
1161 (page-break-permission . allow)
1163 ;; debugging stuff: print column number.
1164 ;; (font-size . -6) (font-name . "sans") (Y-extent . #f)
1166 (meta . ((class . Paper_column)
1167 (interfaces . (paper-column-interface
1168 axis-group-interface
1169 spaceable-grob-interface))))))
1173 (springs-and-rods . ,ly:multi-measure-rest::set-spacing-rods)
1174 (stencil . ,ly:multi-measure-rest::percent)
1177 (font-encoding . fetaMusic)
1178 (meta . ((class . Spanner)
1179 (interfaces . (multi-measure-rest-interface
1181 percent-repeat-interface))))))
1182 (PercentRepeatCounter
1184 (stencil . ,ly:text-interface::print)
1185 (X-offset . ,(ly:make-simple-closure
1186 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-centered-on-y-parent))
1187 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self)))))
1188 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1189 (self-alignment-X . 0)
1192 (staff-padding . 0.25)
1194 (font-encoding . fetaNumber)
1195 (meta . ((class . Spanner)
1196 (interfaces . (side-position-interface
1197 self-alignment-interface
1198 percent-repeat-interface
1200 text-interface))))))
1202 ;; an example of a text spanner
1205 (stencil . ,ly:piano-pedal-bracket::print)
1207 (bound-padding . 1.0)
1209 (bracket-flare . (0.5 . 0.5))
1210 (edge-height . (1.0 . 1.0))
1211 (shorten-pair . (0.0 . 0.0))
1213 (meta . ((class . Spanner)
1214 (interfaces . (line-interface
1215 piano-pedal-interface
1216 piano-pedal-bracket-interface))))))
1220 (stencil . ,ly:text-interface::print)
1221 (X-offset . ,(ly:make-simple-closure
1223 ,(ly:make-simple-closure
1224 (list ly:break-alignment-align-interface::self-align-callback))
1225 ,(ly:make-simple-closure
1226 (list ly:self-alignment-interface::x-aligned-on-self)))))
1228 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1229 (self-alignment-X . 0)
1234 (break-visibility . ,end-of-line-invisible)
1235 (break-align-symbol . staff-bar)
1237 (meta . ((class . Item)
1238 (interfaces . (text-interface
1239 side-position-interface
1240 break-alignment-align-interface
1243 self-alignment-interface))))))
1248 (stencil . ,ly:percent-repeat-item-interface::beat-slash)
1251 (meta . ((class . Item)
1252 (interfaces . (percent-repeat-interface))))))
1255 (stencil . ,ly:tie::print)
1256 (control-points . ,ly:semi-tie::calc-control-points)
1257 (direction . ,ly:semi-tie::calc-direction)
1258 (details . ((ratio . 0.333)
1259 (height-limit . 1.0)))
1261 (meta . ((class . Item)
1262 (interfaces . (semi-tie-interface))
1270 (head-direction . ,RIGHT)
1271 (positioning-done . ,ly:semi-tie-column::calc-positioning-done)
1272 (meta . ((class . Item)
1273 (interfaces . (semi-tie-column-interface))
1279 (stencil . ,ly:rest::print)
1280 (duration-log . ,note-head::calc-duration-log)
1281 (X-extent . ,ly:rest::width)
1282 (Y-extent . ,ly:rest::height)
1283 (Y-offset . ,ly:rest::y-offset-callback)
1284 (minimum-distance . 0.25)
1285 (meta . ((class . Item)
1286 (interfaces . (font-interface
1287 rhythmic-head-interface
1288 rhythmic-grob-interface
1289 staff-symbol-referencer-interface
1290 rest-interface))))))
1294 (minimum-distance . 0.75)
1295 (positioning-done . ,ly:rest-collision::calc-positioning-done)
1296 (meta . ((class . Item)
1297 (interfaces . (rest-collision-interface))))))
1301 ;; don't set direction here: it breaks staccato.
1303 ;; padding set in script definitions.
1304 (staff-padding . 0.25)
1305 ;; (script-priority . 0) priorities for scripts, see script.scm
1306 (X-offset . , ly:self-alignment-interface::centered-on-x-parent)
1308 (stencil . ,ly:script-interface::print)
1309 (direction . ,ly:script-interface::calc-direction)
1310 (font-encoding . fetaMusic)
1311 (meta . ((class . Item)
1312 (interfaces . (script-interface
1313 side-position-interface
1314 font-interface))))))
1318 (before-line-breaking . ,ly:script-column::before-line-breaking)
1319 (meta . ((class . Item)
1320 (interfaces . (script-column-interface))))))
1326 (meta . ((class . Item)
1327 (interfaces . (spacing-interface
1328 separation-item-interface))))))
1330 (SeparatingGroupSpanner
1332 (springs-and-rods . ,ly:separating-group-spanner::set-spacing-rods)
1333 (meta . ((class . Spanner)
1334 (interfaces . (only-prebreak-interface
1336 separation-spanner-interface))))))
1339 . ((details . ,default-slur-details)
1340 (control-points . ,ly:slur::calc-control-points)
1341 (direction . ,ly:slur::calc-direction)
1342 (springs-and-rods . ,ly:spanner::set-spacing-rods)
1343 (Y-extent . ,ly:slur::height)
1344 (stencil . ,ly:slur::print)
1346 (line-thickness . 0.8)
1347 (minimum-length . 1.5)
1348 (height-limit . 2.0)
1350 (avoid-slur . inside)
1351 (meta . ((class . Spanner)
1352 (interfaces . (slur-interface))))))
1356 (stencil . ,ly:text-interface::print)
1357 (direction . ,RIGHT)
1358 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1359 (no-spacing-rods . #t)
1360 (padding . 0.0) ;; padding relative to SostenutoPedalLineSpanner
1361 (font-shape . italic)
1362 (self-alignment-X . 0)
1363 (meta . ((class . Item)
1364 (interfaces . (text-interface
1365 self-alignment-interface
1366 font-interface))))))
1368 (SostenutoPedalLineSpanner
1371 (Y-extent . ,ly:axis-group-interface::height)
1372 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1374 (staff-padding . 1.0)
1376 (minimum-space . 1.0)
1378 (meta . ((class . Spanner)
1379 (interfaces . (piano-pedal-interface
1380 axis-group-interface
1381 side-position-interface))))))
1384 (springs-and-rods . ,ly:spacing-spanner::set-springs)
1385 (common-shortest-duration . ,ly:spacing-spanner::calc-common-shortest-duration)
1386 (average-spacing-wishes . #t)
1387 (shortest-duration-space . 2.0)
1388 (spacing-increment . 1.2)
1390 (base-shortest-duration . ,(ly:make-moment 3 16))
1391 (meta . ((class . Spanner)
1392 (interfaces . (spacing-interface
1393 spacing-options-interface
1394 spacing-spanner-interface))))))
1398 (break-align-symbol . staff-bar)
1402 (stencil . ,ly:span-bar::print)
1403 (bar-size . ,ly:span-bar::calc-bar-size)
1404 (X-extent . ,ly:span-bar::width)
1405 (glyph-name . ,ly:span-bar::calc-glyph-name)
1406 (before-line-breaking . ,ly:span-bar::before-line-breaking)
1411 ;; Ross. page 151 lists other values, we opt for a leaner look
1415 (hair-thickness . 1.6)
1416 (thick-thickness . 6.0)
1417 (meta . ((class . Item)
1418 (interfaces . (span-bar-interface
1420 bar-line-interface))))))
1424 (stencil . ,ly:text-interface::print)
1425 (font-series . bold)
1427 (X-offset . ,ly:side-position-interface::x-aligned-side)
1430 (meta . ((class . Item)
1431 (interfaces . (side-position-interface
1432 stanza-number-interface
1434 font-interface))))))
1440 (stem-spacing-correction . 0.4)
1441 (meta . ((class . Item)
1442 (interfaces . (spacing-interface
1443 staff-spacing-interface))))))
1448 (Y-extent . ,ly:staff-symbol::height)
1449 (stencil . ,ly:staff-symbol::print)
1451 (ledger-line-thickness . (1.0 . 0.1))
1453 (meta . ((class . Spanner)
1454 (interfaces . (staff-symbol-interface))))))
1458 (direction . ,ly:stem::calc-direction)
1459 (default-direction . ,ly:stem::calc-default-direction)
1460 (stem-end-position . ,ly:stem::calc-stem-end-position)
1461 (neutral-direction . ,DOWN)
1462 (stem-info . ,ly:stem::calc-stem-info)
1463 (positioning-done . ,ly:stem::calc-positioning-done)
1464 (stencil . ,ly:stem::print)
1465 (X-extent . ,ly:stem::width)
1466 (Y-extent . ,ly:stem::height)
1467 (length . ,ly:stem::calc-length)
1471 ;; 3.5 (or 3 measured from note head) is standard length
1472 ;; 32nd, 64th flagged stems should be longer
1473 (lengths . (3.5 3.5 3.5 4.5 5.0))
1475 ;; FIXME. 3.5 yields too long beams (according to Ross and
1476 ;; looking at Baerenreiter examples) for a number of common
1477 ;; boundary cases. Subtracting half a beam thickness fixes
1478 ;; this, but the bug may well be somewhere else.
1480 ;; FIXME this should come from 'lengths
1481 (beamed-lengths . (3.26 3.5 3.6))
1483 ;; The 'normal' minima
1484 (beamed-minimum-free-lengths . (1.83 1.5 1.25))
1485 ;(beamed-minimum-free-lengths . (2.0 1.83 1.25))
1487 ;; The 'extreme case' minima
1488 (beamed-extreme-minimum-free-lengths . (2.0 1.25))
1490 ;; Stems in unnatural (forced) direction should be shortened by
1491 ;; one staff space, according to [Roush & Gourlay].
1492 ;; Flagged stems we shorten only half a staff space.
1493 (stem-shorten . (1.0 0.5))
1497 ;; We use the normal minima as minimum for the ideal lengths,
1498 ;; and the extreme minima as abolute minimum length.
1500 (X-offset . ,ly:stem::offset-callback)
1501 (Y-offset . ,ly:staff-symbol-referencer::callback)
1502 (meta . ((class . Item)
1503 (interfaces . (stem-interface
1504 font-interface))))))
1508 (Y-extent . ,ly:stem-tremolo::height)
1509 (stencil . ,ly:stem-tremolo::print)
1511 (slope . ,ly:stem-tremolo::calc-slope)
1512 (beam-width . ,ly:stem-tremolo::calc-width) ; staff-space
1513 (style . ,ly:stem-tremolo::calc-style)
1514 (beam-thickness . 0.48) ; staff-space
1515 (meta . ((class . Item)
1516 (interfaces . (stem-tremolo-interface))))))
1520 (stencil . ,print-circled-text-callback)
1521 (text . ,string-number::calc-text)
1523 (staff-padding . 0.5)
1524 (self-alignment-X . 0)
1525 (self-alignment-Y . 0)
1526 (script-priority . 100)
1527 (font-encoding . fetaNumber)
1528 (font-size . -5) ; don't overlap when next to heads.
1529 (meta . ((class . Item)
1530 (interfaces . (string-number-interface
1532 text-script-interface
1534 side-position-interface
1535 self-alignment-interface
1536 item-interface))))))
1540 (no-spacing-rods . #t)
1541 (stencil . ,ly:sustain-pedal::print)
1542 (self-alignment-X . 0)
1543 (direction . ,RIGHT)
1544 (padding . 0.0) ;; padding relative to SustainPedalLineSpanner
1545 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1546 (meta . ((class . Item)
1547 (interfaces . (piano-pedal-interface
1548 text-spanner-interface
1549 line-spanner-interface
1551 self-alignment-interface
1552 font-interface))))))
1554 (SustainPedalLineSpanner
1557 (Y-extent . ,ly:axis-group-interface::height)
1558 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1561 (staff-padding . 1.2)
1562 (minimum-space . 1.0)
1564 (meta . ((class . Spanner)
1565 (interfaces . (piano-pedal-interface
1566 axis-group-interface
1567 side-position-interface))))))
1572 (X-extent . ,ly:axis-group-interface::width)
1573 (Y-extent . ,ly:axis-group-interface::height)
1574 (meta . ((class . System)
1575 (interfaces . (system-interface
1576 axis-group-interface))))))
1582 (stencil . ,ly:system-start-delimiter::print)
1583 (collapse-height . 5.0)
1584 (X-offset . ,ly:side-position-interface::x-aligned-side)
1586 (font-encoding . fetaBraces)
1588 (meta . ((class . Spanner)
1589 (interfaces . (system-start-delimiter-interface
1590 side-position-interface
1591 font-interface))))))
1597 (X-offset . ,ly:side-position-interface::x-aligned-side)
1599 (stencil . ,ly:system-start-delimiter::print)
1600 (style . line-bracket)
1602 (meta . ((class . Spanner)
1603 (interfaces . (font-interface
1604 side-position-interface
1605 system-start-delimiter-interface))))))
1610 (X-offset . ,ly:side-position-interface::x-aligned-side)
1612 (stencil . ,ly:system-start-delimiter::print)
1614 (collapse-height . 5.0)
1616 (meta . ((class . Spanner)
1617 (interfaces . (font-interface
1618 side-position-interface
1619 system-start-delimiter-interface))))))
1626 (padding . -0.1) ;; bar must cover rounded ending of staff line.
1627 (X-offset . ,ly:side-position-interface::x-aligned-side)
1631 (stencil . ,ly:system-start-delimiter::print)
1632 (meta . ((class . Spanner)
1633 (interfaces . (side-position-interface
1634 system-start-delimiter-interface))))))
1639 (stencil . ,ly:text-interface::print)
1640 (Y-offset . ,ly:staff-symbol-referencer::callback)
1641 (duration-log . ,note-head::calc-duration-log)
1643 (stem-attachment . (0.0 . 1.35))
1644 (font-series . bold)
1645 (meta . ((class . Item)
1647 . (rhythmic-head-interface
1648 font-interface rhythmic-grob-interface
1650 staff-symbol-referencer-interface
1651 text-interface))))))
1655 (no-spacing-rods . #t)
1656 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1659 ;; sync with Fingering ?
1661 (staff-padding . 0.5)
1663 (stencil . ,ly:text-interface::print)
1664 (direction . ,ly:script-interface::calc-direction)
1666 (avoid-slur . around)
1667 (slur-padding . 0.5)
1668 (script-priority . 200)
1669 ;; todo: add X self alignment?
1670 (meta . ((class . Item)
1671 (interfaces . (text-script-interface
1673 side-position-interface
1674 font-interface))))))
1678 (stencil . ,ly:text-spanner::print)
1679 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1680 (font-shape . italic)
1681 (style . dashed-line)
1682 (staff-padding . 0.8)
1683 (dash-fraction . 0.2)
1687 (meta . ((class . Spanner)
1688 (interfaces . (text-spanner-interface
1689 line-spanner-interface
1690 side-position-interface
1691 font-interface))))))
1695 (control-points . ,ly:tie::calc-control-points)
1696 (springs-and-rods . ,ly:spanner::set-spacing-rods)
1697 (avoid-slur . inside)
1698 (direction . ,ly:tie::calc-direction)
1699 (stencil . ,ly:tie::print)
1702 ;; for a full list, see tie-helper.cc
1704 (center-staff-line-clearance . 0.6)
1705 (tip-staff-line-clearance . 0.45)
1706 (note-head-gap . 0.2)
1708 (height-limit . 1.0)
1709 (horizontal-distance-penalty-factor . 10)
1710 (min-length-penalty-factor . 20)
1711 (tie-tie-collision-distance . 0.45)
1712 (tie-tie-collision-penalty . 25.0)
1713 (intra-space-threshold . 1.25)
1714 (outer-tie-vertical-distance-symmetry-penalty-factor . 10)
1715 (outer-tie-length-symmetry-penalty-factor . 10)
1716 (outer-tie-vertical-gap . 0.25)
1717 (multi-tie-region-size . 1)
1718 (between-length-limit . 1.0)))
1721 (line-thickness . 0.8)
1722 (meta . ((class . Spanner)
1723 (interfaces . (tie-interface))))
1728 (positioning-done . ,ly:tie-column::calc-positioning-done)
1729 (before-line-breaking . ,ly:tie-column::before-line-breaking)
1732 (meta . ((class . Spanner)
1733 (interfaces . (tie-column-interface))))))
1737 (stencil . ,ly:time-signature::print)
1738 (break-align-symbol . time-signature)
1739 (break-visibility . ,all-visible)
1741 (first-note . (fixed-space . 2.0))
1742 (right-edge . (extra-space . 0.5))
1743 (staff-bar . (minimum-space . 2.0))))
1746 (meta . ((class . Item)
1747 (interfaces . (time-signature-interface
1748 break-aligned-interface
1749 font-interface))))))
1753 (stencil . ,ly:dynamic-text-spanner::print)
1754 (edge-text . ,(cons (make-musicglyph-markup "scripts.trill")
1757 (staff-padding . 1.0)
1760 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1762 (meta . ((class . Spanner)
1763 (interfaces . (text-spanner-interface
1764 line-spanner-interface
1765 side-position-interface
1766 font-interface))))))
1768 (TrillPitchAccidental
1769 . ((X-offset . ,ly:side-position-interface::x-aligned-side)
1774 (stencil . ,ly:accidental-interface::print)
1775 (meta . ((class . Item)
1776 (interfaces . (item-interface
1777 side-position-interface
1778 font-interface))))))
1781 . ((X-offset . ,ly:side-position-interface::x-aligned-side)
1784 (stencil . ,parenthesize-elements)
1785 (direction . ,RIGHT)
1788 (meta . ((class . Item)
1789 (interfaces . (side-position-interface
1791 rhythmic-head-interface
1793 accidental-interface
1794 axis-group-interface))))))
1798 (stencil . ,ly:note-head::print)
1800 (Y-offset . ,ly:staff-symbol-referencer::callback)
1802 (meta . ((class . Item)
1803 (interfaces . (item-interface
1804 rhythmic-head-interface
1806 pitched-trill-interface
1808 staff-symbol-referencer-interface))))))
1814 (edge-height . (0.7 . 0.7))
1815 (shorten-pair . (-0.2 . -0.2))
1816 (staff-padding . 0.25)
1817 (direction . ,ly:tuplet-bracket::calc-direction)
1818 (positions . ,ly:tuplet-bracket::calc-positions)
1819 (connect-to-neighbor . ,ly:tuplet-bracket::calc-connect-to-neighbors)
1820 (control-points . ,ly:tuplet-bracket::calc-control-points)
1821 (stencil . ,ly:tuplet-bracket::print)
1823 (meta . ((class . Spanner)
1824 (interfaces . (line-interface
1825 tuplet-bracket-interface))))))
1829 (stencil . ,ly:tuplet-number::print)
1830 (text . ,tuplet-number::calc-denominator-text)
1831 (font-shape . italic)
1833 (avoid-slur . inside)
1834 (meta . ((class . Spanner)
1835 (interfaces . (text-interface tuplet-number-interface
1836 font-interface))))))
1840 (stencil . ,ly:text-interface::print)
1841 (font-shape . italic)
1842 (no-spacing-rods . #t)
1843 (self-alignment-X . 0)
1844 (direction . ,RIGHT)
1845 (padding . 0.0) ;; padding relative to UnaCordaPedalLineSpanner
1846 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1847 (meta . ((class . Item)
1848 (interfaces . (text-interface
1849 self-alignment-interface
1850 font-interface))))))
1852 (UnaCordaPedalLineSpanner
1855 (Y-extent . ,ly:axis-group-interface::height)
1856 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1859 (staff-padding . 1.2)
1860 (minimum-space . 1.0)
1862 (meta . ((class . Spanner)
1863 (interfaces . (piano-pedal-interface
1864 axis-group-interface
1865 side-position-interface))))))
1871 (stencil . ,ly:vaticana-ligature::print)
1872 (meta . ((class . Spanner)
1873 (interfaces . (vaticana-ligature-interface
1874 font-interface))))))
1879 (positioning-done . ,ly:align-interface::calc-positioning-done)
1880 (after-line-breaking . ,ly:align-interface::stretch-after-break)
1881 (Y-extent . ,ly:axis-group-interface::height)
1882 (X-extent . ,ly:axis-group-interface::width)
1885 (meta . ((class . Spanner)
1886 (interfaces . (align-interface
1887 axis-group-interface))))))
1891 (Y-offset . ,ly:hara-kiri-group-spanner::force-hara-kiri-callback)
1893 (Y-extent . ,ly:hara-kiri-group-spanner::y-extent)
1894 (X-extent . ,ly:axis-group-interface::width)
1895 (meta . ((class . Spanner)
1896 (interfaces . (axis-group-interface
1897 hara-kiri-group-interface
1898 vertically-spaceable-interface))))))
1903 (stencil . ,ly:volta-bracket-interface::print)
1906 (font-encoding . fetaNumber)
1907 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1909 (thickness . 1.6) ;; line-thickness
1910 (edge-height . (2.0 . 2.0)) ;; staff-space;
1913 (meta . ((class . Spanner)
1914 (interfaces . (volta-bracket-interface
1915 horizontal-bracket-interface
1918 side-position-interface
1930 (stencil . ,ly:line-spanner::print)
1931 (after-line-breaking . ,ly:line-spanner::after-line-breaking)
1932 (meta . ((class . Spanner)
1933 (interfaces . (line-spanner-interface
1939 (define (completize-grob-entry x)
1940 "Transplant assoc key into 'name entry of 'meta of X. Set interfaces for Item, Spanner etc.
1942 ;; (display (car x))
1944 (let* ((name-sym (car x))
1945 (grob-entry (cdr x))
1946 (meta-entry (cdr (assoc 'meta grob-entry)))
1947 (class (cdr (assoc 'class meta-entry)))
1949 (cdr (assoc 'interfaces meta-entry))))
1953 (set! ifaces-entry (cons 'item-interface ifaces-entry)))
1954 ((eq? 'Spanner class)
1955 (set! ifaces-entry (cons 'spanner-interface ifaces-entry)))
1956 ((eq? 'Paper_column class)
1957 (set! ifaces-entry (cons 'item-interface
1958 (cons 'paper-column-interface ifaces-entry))))
1959 ((eq? 'System class)
1960 (set! ifaces-entry (cons 'system-interface
1961 (cons 'spanner-interface ifaces-entry))))
1963 (ly:warning "Unknown class ~a" class)))
1964 (set! ifaces-entry (cons 'grob-interface ifaces-entry))
1966 (set! meta-entry (assoc-set! meta-entry 'name name-sym))
1967 (set! meta-entry (assoc-set! meta-entry 'interfaces
1969 (set! grob-entry (assoc-set! grob-entry 'meta meta-entry))
1970 (cons name-sym grob-entry)))
1972 (set! all-grob-descriptions (map completize-grob-entry all-grob-descriptions))
1974 ;; (display (map pair? all-grob-descriptions))
1976 ;; make sure that \property Foo.Bar =\turnOff doesn't complain
1979 ;; (display (car x)) (newline)
1981 (set-object-property! (car x) 'translation-type? list?)
1982 (set-object-property! (car x) 'is-grob? #t))
1983 all-grob-descriptions)
1985 (set! all-grob-descriptions (sort all-grob-descriptions alist<?))
1988 (define pure-print-callbacks
1990 `(,ly:note-head::print . '())
1991 `(,ly:clef::print . '())
1992 `(,ly:text-interface::print . '())
1993 `(,ly:script-interface::print . '())))
1995 ;; ly:grob::stencil-extent is safe iff the print callback is safe too
1996 (define (pure-stencil-height grob start stop)
1997 (let ((sten (ly:grob-property-data grob 'stencil)))
2000 (pair? (assq sten pure-print-callbacks)))
2001 (ly:grob::stencil-height grob)
2004 (define pure-Y-extents
2006 `(,ly:staff-symbol::height . ())))
2008 (define Y-extent-conversions
2010 `(,ly:stem::height . ,ly:stem::pure-height)
2011 `(,ly:grob::stencil-height . ,pure-stencil-height)
2012 `(,ly:side-position-interface::y-aligned-side . ,ly:side-position-interface::pure-y-aligned-side)
2013 `(,ly:axis-group-interface::height . ,ly:axis-group-interface::pure-height)
2014 `(,ly:hara-kiri-group-spanner::y-extent . ,ly:hara-kiri-group-spanner::pure-height)
2015 `(,ly:slur::height . ,ly:slur::pure-height)))
2017 (define pure-Y-offsets
2019 `(,ly:staff-symbol-referencer::callback . ())))
2021 (define Y-offset-conversions
2023 `(,ly:side-position-interface::y-aligned-side . ,ly:side-position-interface::pure-y-aligned-side)))
2025 (define-public (pure-relevant grob)
2026 (let ((extent-callback (ly:grob-property-data grob 'Y-extent)))
2028 (pair? extent-callback)
2029 (pair? (assq extent-callback pure-Y-extents))
2031 (pair? (assq extent-callback Y-extent-conversions))
2033 (not (eq? extent-callback ly:grob::stencil-height))
2034 (pair? (assq (ly:grob-property-data grob 'stencil) pure-print-callbacks))
2035 (ly:stencil? (ly:grob-property-data grob 'stencil)))))))
2037 (define (pure-conversion pures conversions defsymbol defreturn rettype? grob start stop)
2038 (let* ((normal-callback (ly:grob-property-data grob defsymbol))
2039 (pure-callback (assq normal-callback conversions)))
2040 (if (rettype? normal-callback)
2042 (if (pair? (assq normal-callback pures))
2043 (normal-callback grob)
2044 (if (pair? pure-callback)
2045 ((cdr pure-callback) grob start stop)
2048 (define-public (pure-Y-extent grob start stop)
2049 (pure-conversion pure-Y-extents Y-extent-conversions
2050 'Y-extent '(0 . 0) pair? grob start stop))
2052 (define-public (pure-Y-offset grob start stop)
2053 (pure-conversion pure-Y-offsets Y-offset-conversions
2054 'Y-offset 0 number? grob start stop))