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)
695 (grow-direction . ,hairpin::calc-grow-direction)
699 (minimum-length . 2.0)
700 (bound-padding . 1.0)
701 (self-alignment-Y . 0)
702 (Y-offset . ,ly:self-alignment-interface::y-aligned-on-self)
703 (meta . ((class . Spanner)
704 (interfaces . (hairpin-interface
706 self-alignment-interface
708 spanner-interface))))))
713 (stencil . ,ly:horizontal-bracket::print)
714 (Y-offset . ,ly:side-position-interface::y-aligned-side)
716 (staff-padding . 0.2)
719 (bracket-flare . (0.5 . 0.5))
720 (meta . ((class . Spanner)
721 (interfaces . (horizontal-bracket-interface
722 side-position-interface
724 spanner-interface))))))
728 (stencil . ,ly:system-start-text::print)
729 (X-offset . ,ly:side-position-interface::x-aligned-side)
731 (self-alignment-Y . ,CENTER)
732 (meta . ((class . Spanner)
733 (interfaces . (system-start-text-interface
734 side-position-interface
740 (stencil . ,ly:text-interface::print)
741 (Y-offset . ,ly:side-position-interface::y-aligned-side)
742 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
745 (self-alignment-X . ,CENTER)
746 (meta . ((class . Item)
747 (interfaces . (system-start-text-interface
748 side-position-interface
753 (stencil . ,ly:key-signature-interface::print)
755 (time-signature . (extra-space . 1.25))
756 (staff-bar . (extra-space . 0.6))
757 (key-signature . (extra-space . 0.5))
758 (right-edge . (extra-space . 0.5))
759 (first-note . (fixed-space . 2.5))))
760 (Y-offset . ,ly:staff-symbol-referencer::callback)
761 (break-align-symbol . key-cancellation)
762 (break-visibility . ,begin-of-line-invisible)
764 (meta . ((class . Item)
765 (interfaces . (key-signature-interface
767 break-aligned-interface))))))
770 (stencil . ,ly:key-signature-interface::print)
772 (time-signature . (extra-space . 1.15))
773 (staff-bar . (extra-space . 1.1))
774 (right-edge . (extra-space . 0.5))
775 (first-note . (fixed-space . 2.5))))
776 (Y-offset . ,ly:staff-symbol-referencer::callback)
777 (break-align-symbol . key-signature)
778 (break-visibility . ,begin-of-line-visible)
780 (meta . ((class . Item)
781 (interfaces . (key-signature-interface
783 break-aligned-interface))))))
788 (stencil . ,ly:tie::print)
789 (control-points . ,ly:semi-tie::calc-control-points)
790 (direction . ,ly:semi-tie::calc-direction)
791 (details . ((ratio . 0.333)
792 (height-limit . 1.0)))
794 (meta . ((class . Item)
795 (interfaces . (semi-tie-interface))
799 (LaissezVibrerTieColumn
803 (head-direction . ,LEFT)
804 (positioning-done . ,ly:semi-tie-column::calc-positioning-done)
805 (meta . ((class . Item)
806 (interfaces . (semi-tie-column-interface))
812 (springs-and-rods . ,ly:ledger-line-spanner::set-spacing-rods)
813 (stencil . ,ly:ledger-line-spanner::print)
816 (minimum-length-fraction . 0.25)
817 (length-fraction . 0.25)
819 (meta . ((class . Spanner)
820 (interfaces . (ledger-line-interface))))))
824 (break-align-symbol . left-edge)
827 (break-visibility . ,center-invisible)
829 (custos . (extra-space . 0.0))
830 (ambitus . (extra-space . 2.0))
831 (time-signature . (extra-space . 1.0))
832 (staff-bar . (extra-space . 0.0))
833 (breathing-sign . (minimum-space . 0.0))
834 (clef . (extra-space . 0.8))
835 (first-note . (fixed-space . 2.0))
836 (right-edge . (extra-space . 0.0))
837 (key-signature . (extra-space . 0.0))
838 (key-cancellation . (extra-space . 0.0))
840 (meta . ((class . Item)
841 (interfaces . (break-aligned-interface))))))
845 ;; ugh. A ligature bracket is totally different from
850 (edge-height . (0.7 . 0.7))
851 (shorten-pair . (-0.2 . -0.2))
853 (positions . ,ly:tuplet-bracket::calc-positions)
854 (stencil . ,ly:tuplet-bracket::print)
855 (staff-padding . 0.25)
856 (connect-to-neighbor . ,ly:tuplet-bracket::calc-connect-to-neighbors)
857 (control-points . ,ly:tuplet-bracket::calc-control-points)
858 (meta . ((class . Spanner)
859 (interfaces . (line-interface
860 tuplet-bracket-interface))))))
865 (stencil . ,ly:lyric-extender::print)
866 (thickness . 0.8) ; line-thickness
867 (minimum-length . 1.5)
869 (meta . ((class . Spanner)
870 (interfaces . (lyric-interface
871 lyric-extender-interface))))))
879 (minimum-length . 0.3)
880 (minimum-distance . 0.1)
882 (springs-and-rods . ,ly:hyphen-spanner::set-spacing-rods)
883 (stencil . ,ly:hyphen-spanner::print)
885 (meta . ((class . Spanner)
886 (interfaces . (lyric-interface
888 lyric-hyphen-interface
889 spanner-interface))))))
892 . ((minimum-distance . 0.45)
893 (springs-and-rods . ,ly:hyphen-spanner::set-spacing-rods)
897 (meta . ((class . Spanner)
898 (interfaces . (spanner-interface
899 lyric-hyphen-interface spacing-interface))
905 (stencil . ,lyric-text::print)
906 (text . ,lyric-text::calc-text)
907 (X-offset . ,ly:self-alignment-interface::aligned-on-x-parent)
908 (self-alignment-X . 0)
910 (font-series . bold-narrow)
912 (meta . ((class . Item)
913 (interfaces . (rhythmic-grob-interface
914 lyric-syllable-interface
915 self-alignment-interface
922 (Y-offset . ,ly:side-position-interface::y-aligned-side)
924 (stencil . ,ly:measure-grouping::print)
930 (meta . ((class . Spanner)
931 (interfaces . (side-position-interface
932 measure-grouping-interface))))))
936 (neutral-direction . ,DOWN)
937 (meta . ((class . Item)
938 (interfaces . (melody-spanner-interface spacing-interface))))))
943 (stencil . ,ly:mensural-ligature::print)
944 (meta . ((class . Spanner)
945 (interfaces . (mensural-ligature-interface
950 (stencil . ,ly:text-interface::print)
951 (Y-offset . ,ly:side-position-interface::y-aligned-side)
955 (meta . ((class . Item)
956 (interfaces . (text-interface
957 side-position-interface
959 metronome-mark-interface))))))
964 (stencil . ,ly:multi-measure-rest::print)
965 (springs-and-rods . ,ly:multi-measure-rest::set-spacing-rods)
966 (Y-offset . ,ly:staff-symbol-referencer::callback)
969 (thick-thickness . 6.6)
970 (hair-thickness . 2.0)
972 (meta . ((class . Spanner)
973 (interfaces . (multi-measure-rest-interface
974 multi-measure-interface
977 staff-symbol-referencer-interface))))))
980 (MultiMeasureRestNumber
982 (bound-padding . 2.0)
983 (springs-and-rods . ,ly:multi-measure-rest::set-text-rods)
984 (stencil . ,ly:text-interface::print)
985 (X-offset . ,(ly:make-simple-closure
986 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self))
987 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-centered-on-y-parent)))))
988 (Y-offset . ,ly:side-position-interface::y-aligned-side)
990 (self-alignment-X . 0)
993 (staff-padding . 0.4)
994 (font-encoding . fetaNumber)
995 (meta . ((class . Spanner)
996 (interfaces . (side-position-interface
997 multi-measure-interface
998 self-alignment-interface
1003 (MultiMeasureRestText
1005 (stencil . ,ly:text-interface::print)
1006 (X-offset . ,(ly:make-simple-closure
1007 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-centered-on-y-parent))
1008 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self)))))
1010 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1011 (self-alignment-X . 0)
1014 (staff-padding . 0.25)
1015 (meta . ((class . Spanner)
1016 (interfaces . (side-position-interface
1017 multi-measure-interface
1018 self-alignment-interface
1020 text-interface))))))
1022 (NonMusicalPaperColumn
1024 (allow-loose-spacing . #t)
1026 (before-line-breaking . ,ly:paper-column::before-line-breaking)
1027 (X-extent . ,ly:axis-group-interface::width)
1028 ;; (stencil . ,ly:paper-column::print)
1031 (line-break-permission . allow)
1032 (page-break-permission . allow)
1034 ;; debugging stuff: print column number.
1035 ;; (font-size . -6) (font-name . "sans") (Y-extent . #f)
1037 (meta . ((class . Paper_column)
1038 (interfaces . (paper-column-interface
1039 axis-group-interface
1040 spaceable-grob-interface))))))
1045 (X-extent . ,ly:axis-group-interface::width)
1046 (Y-extent . ,ly:axis-group-interface::height)
1047 (positioning-done . ,ly:note-collision-interface::calc-positioning-done)
1048 (meta . ((class . Item)
1049 (interfaces . (note-collision-interface
1050 axis-group-interface))))))
1055 (X-extent . ,ly:axis-group-interface::width)
1056 (Y-extent . ,ly:axis-group-interface::height)
1057 (meta . ((class . Item)
1058 (interfaces . (axis-group-interface
1059 note-column-interface))))))
1063 (stencil . ,ly:note-head::print)
1064 (duration-log . ,note-head::calc-duration-log)
1065 (stem-attachment . ,ly:note-head::calc-stem-attachment)
1066 (glyph-name . ,note-head::calc-glyph-name)
1067 (Y-offset . ,ly:staff-symbol-referencer::callback)
1068 (X-offset . ,ly:note-head::stem-x-shift)
1069 (meta . ((class . Item)
1070 (interfaces . (rhythmic-grob-interface
1071 rhythmic-head-interface
1075 staff-symbol-referencer-interface))))))
1079 (stem-spacing-correction . 0.5)
1080 (same-direction-correction . 0.25)
1081 ;; Changed this from 0.75.
1082 ;; If you ever change this back, please document! --hwn
1083 (knee-spacing-correction . 1.0)
1084 (meta . ((class . Item)
1085 (interfaces . (spacing-interface
1086 note-spacing-interface))))))
1090 (stencil . ,ly:text-interface::print)
1091 (meta . ((class . Item)
1092 (interfaces . (note-name-interface
1094 font-interface))))))
1098 (self-alignment-X . 0)
1099 (break-visibility . ,begin-of-line-visible)
1100 (X-offset . ,(ly:make-simple-closure
1101 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self))
1102 ,(ly:make-simple-closure (list ly:self-alignment-interface::centered-on-x-parent)))))
1104 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1105 (stencil . ,ly:text-interface::print)
1107 ;; no Y dimensions, because of lyrics under tenor clef.
1108 (Y-extent . (0 . 0))
1109 (font-shape . italic)
1111 (staff-padding . 0.2)
1113 (meta . ((class . Item)
1114 (interfaces . (text-interface
1115 self-alignment-interface
1116 side-position-interface
1117 font-interface))))))
1121 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1122 (stencil . ,ly:ottava-bracket::print)
1123 (font-shape . italic)
1124 (shorten-pair . (0.0 . -0.6))
1125 (staff-padding . 1.0)
1127 (minimum-length . 1.0)
1128 (dash-fraction . 0.3)
1129 (edge-height . (0 . 1.2))
1131 (meta . ((class . Spanner)
1132 (interfaces . (ottava-bracket-interface
1133 horizontal-bracket-interface
1135 side-position-interface
1137 text-interface))))))
1142 (allow-loose-spacing . #t)
1143 (before-line-breaking . ,ly:paper-column::before-line-breaking)
1144 ;; (stencil . ,ly:paper-column::print)
1145 (X-extent . ,ly:axis-group-interface::width)
1148 ;; (font-size . -6) (font-name . "sans") (Y-extent . #f)
1149 (meta . ((class . Paper_column)
1150 (interfaces . (paper-column-interface
1151 axis-group-interface
1152 spaceable-grob-interface))))))
1155 . ((stencil . ,parentheses-item::print)
1158 (meta . ((class . Item)
1159 (interfaces . (parentheses-interface font-interface))))
1163 . ((details . ,default-slur-details)
1164 (control-points . ,ly:slur::calc-control-points)
1165 (direction . ,ly:slur::calc-direction)
1166 (springs-and-rods . ,ly:spanner::set-spacing-rods)
1167 (Y-extent . ,ly:slur::height)
1168 (stencil . ,ly:slur::print)
1170 (minimum-length . 1.5)
1171 (height-limit . 2.0)
1173 (meta . ((class . Spanner)
1174 (interfaces . (slur-interface))))))
1180 (springs-and-rods . ,ly:multi-measure-rest::set-spacing-rods)
1181 (stencil . ,ly:multi-measure-rest::percent)
1184 (font-encoding . fetaMusic)
1185 (meta . ((class . Spanner)
1186 (interfaces . (multi-measure-rest-interface
1188 percent-repeat-interface))))))
1189 (PercentRepeatCounter
1191 (stencil . ,ly:text-interface::print)
1192 (X-offset . ,(ly:make-simple-closure
1193 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-centered-on-y-parent))
1194 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self)))))
1195 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1196 (self-alignment-X . 0)
1199 (staff-padding . 0.25)
1201 (font-encoding . fetaNumber)
1202 (meta . ((class . Spanner)
1203 (interfaces . (side-position-interface
1204 self-alignment-interface
1205 percent-repeat-interface
1207 text-interface))))))
1209 ;; an example of a text spanner
1212 (stencil . ,ly:piano-pedal-bracket::print)
1214 (bound-padding . 1.0)
1216 (bracket-flare . (0.5 . 0.5))
1217 (edge-height . (1.0 . 1.0))
1218 (shorten-pair . (0.0 . 0.0))
1220 (meta . ((class . Spanner)
1221 (interfaces . (line-interface
1222 piano-pedal-interface
1223 piano-pedal-bracket-interface))))))
1227 (stencil . ,ly:text-interface::print)
1228 (X-offset . ,(ly:make-simple-closure
1230 ,(ly:make-simple-closure
1231 (list ly:break-alignment-align-interface::self-align-callback))
1232 ,(ly:make-simple-closure
1233 (list ly:self-alignment-interface::x-aligned-on-self)))))
1235 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1236 (self-alignment-X . 0)
1241 (break-visibility . ,end-of-line-invisible)
1242 (break-align-symbol . staff-bar)
1244 (meta . ((class . Item)
1245 (interfaces . (text-interface
1246 side-position-interface
1247 break-alignment-align-interface
1250 self-alignment-interface))))))
1255 (stencil . ,ly:percent-repeat-item-interface::beat-slash)
1258 (meta . ((class . Item)
1259 (interfaces . (percent-repeat-interface))))))
1262 (stencil . ,ly:tie::print)
1263 (control-points . ,ly:semi-tie::calc-control-points)
1264 (direction . ,ly:semi-tie::calc-direction)
1265 (details . ((ratio . 0.333)
1266 (height-limit . 1.0)))
1268 (meta . ((class . Item)
1269 (interfaces . (semi-tie-interface))
1277 (head-direction . ,RIGHT)
1278 (positioning-done . ,ly:semi-tie-column::calc-positioning-done)
1279 (meta . ((class . Item)
1280 (interfaces . (semi-tie-column-interface))
1286 (stencil . ,ly:rest::print)
1287 (duration-log . ,note-head::calc-duration-log)
1288 (X-extent . ,ly:rest::width)
1289 (Y-extent . ,ly:rest::height)
1290 (Y-offset . ,ly:rest::y-offset-callback)
1291 (minimum-distance . 0.25)
1292 (meta . ((class . Item)
1293 (interfaces . (font-interface
1294 rhythmic-head-interface
1295 rhythmic-grob-interface
1296 staff-symbol-referencer-interface
1297 rest-interface))))))
1301 (minimum-distance . 0.75)
1302 (positioning-done . ,ly:rest-collision::calc-positioning-done)
1303 (meta . ((class . Item)
1304 (interfaces . (rest-collision-interface))))))
1308 ;; don't set direction here: it breaks staccato.
1310 ;; padding set in script definitions.
1311 (staff-padding . 0.25)
1312 ;; (script-priority . 0) priorities for scripts, see script.scm
1313 (X-offset . , ly:self-alignment-interface::centered-on-x-parent)
1315 (stencil . ,ly:script-interface::print)
1316 (direction . ,ly:script-interface::calc-direction)
1317 (font-encoding . fetaMusic)
1318 (meta . ((class . Item)
1319 (interfaces . (script-interface
1320 side-position-interface
1321 font-interface))))))
1325 (before-line-breaking . ,ly:script-column::before-line-breaking)
1326 (meta . ((class . Item)
1327 (interfaces . (script-column-interface))))))
1330 (before-line-breaking . ,ly:script-column::row-before-line-breaking)
1331 (meta . ((class . Item)
1332 (interfaces . (script-column-interface))))))
1338 (meta . ((class . Item)
1339 (interfaces . (spacing-interface
1340 separation-item-interface))))))
1342 (SeparatingGroupSpanner
1344 (springs-and-rods . ,ly:separating-group-spanner::set-spacing-rods)
1345 (meta . ((class . Spanner)
1346 (interfaces . (only-prebreak-interface
1348 separation-spanner-interface))))))
1351 . ((details . ,default-slur-details)
1352 (control-points . ,ly:slur::calc-control-points)
1353 (direction . ,ly:slur::calc-direction)
1354 (springs-and-rods . ,ly:spanner::set-spacing-rods)
1355 (Y-extent . ,ly:slur::height)
1356 (stencil . ,ly:slur::print)
1358 (line-thickness . 0.8)
1359 (minimum-length . 1.5)
1360 (height-limit . 2.0)
1362 (avoid-slur . inside)
1363 (meta . ((class . Spanner)
1364 (interfaces . (slur-interface))))))
1368 (stencil . ,ly:text-interface::print)
1369 (direction . ,RIGHT)
1370 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1371 (no-spacing-rods . #t)
1372 (padding . 0.0) ;; padding relative to SostenutoPedalLineSpanner
1373 (font-shape . italic)
1374 (self-alignment-X . 0)
1375 (meta . ((class . Item)
1376 (interfaces . (text-interface
1377 self-alignment-interface
1378 font-interface))))))
1380 (SostenutoPedalLineSpanner
1383 (Y-extent . ,ly:axis-group-interface::height)
1384 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1386 (staff-padding . 1.0)
1388 (minimum-space . 1.0)
1390 (meta . ((class . Spanner)
1391 (interfaces . (piano-pedal-interface
1392 axis-group-interface
1393 side-position-interface))))))
1396 (springs-and-rods . ,ly:spacing-spanner::set-springs)
1397 (common-shortest-duration . ,ly:spacing-spanner::calc-common-shortest-duration)
1398 (average-spacing-wishes . #t)
1399 (shortest-duration-space . 2.0)
1400 (spacing-increment . 1.2)
1402 (base-shortest-duration . ,(ly:make-moment 3 16))
1403 (meta . ((class . Spanner)
1404 (interfaces . (spacing-interface
1405 spacing-options-interface
1406 spacing-spanner-interface))))))
1410 (break-align-symbol . staff-bar)
1414 (stencil . ,ly:span-bar::print)
1415 (bar-size . ,ly:span-bar::calc-bar-size)
1416 (X-extent . ,ly:span-bar::width)
1417 (glyph-name . ,ly:span-bar::calc-glyph-name)
1418 (before-line-breaking . ,ly:span-bar::before-line-breaking)
1423 ;; Ross. page 151 lists other values, we opt for a leaner look
1427 (hair-thickness . 1.6)
1428 (thick-thickness . 6.0)
1429 (meta . ((class . Item)
1430 (interfaces . (span-bar-interface
1432 bar-line-interface))))))
1436 (stencil . ,ly:text-interface::print)
1437 (font-series . bold)
1439 (X-offset . ,ly:side-position-interface::x-aligned-side)
1442 (meta . ((class . Item)
1443 (interfaces . (side-position-interface
1444 stanza-number-interface
1446 font-interface))))))
1452 (stem-spacing-correction . 0.4)
1453 (meta . ((class . Item)
1454 (interfaces . (spacing-interface
1455 staff-spacing-interface))))))
1460 (Y-extent . ,ly:staff-symbol::height)
1461 (stencil . ,ly:staff-symbol::print)
1463 (ledger-line-thickness . (1.0 . 0.1))
1465 (meta . ((class . Spanner)
1466 (interfaces . (staff-symbol-interface))))))
1470 (direction . ,ly:stem::calc-direction)
1471 (duration-log . ,note-head::calc-duration-log)
1472 (default-direction . ,ly:stem::calc-default-direction)
1473 (stem-end-position . ,ly:stem::calc-stem-end-position)
1474 (neutral-direction . ,DOWN)
1475 (stem-info . ,ly:stem::calc-stem-info)
1476 (positioning-done . ,ly:stem::calc-positioning-done)
1477 (stencil . ,ly:stem::print)
1478 (X-extent . ,ly:stem::width)
1479 (Y-extent . ,ly:stem::height)
1480 (length . ,ly:stem::calc-length)
1484 ;; 3.5 (or 3 measured from note head) is standard length
1485 ;; 32nd, 64th flagged stems should be longer
1486 (lengths . (3.5 3.5 3.5 4.5 5.0))
1488 ;; FIXME. 3.5 yields too long beams (according to Ross and
1489 ;; looking at Baerenreiter examples) for a number of common
1490 ;; boundary cases. Subtracting half a beam thickness fixes
1491 ;; this, but the bug may well be somewhere else.
1493 ;; FIXME this should come from 'lengths
1494 (beamed-lengths . (3.26 3.5 3.6))
1496 ;; The 'normal' minima
1497 (beamed-minimum-free-lengths . (1.83 1.5 1.25))
1498 ;(beamed-minimum-free-lengths . (2.0 1.83 1.25))
1500 ;; The 'extreme case' minima
1501 (beamed-extreme-minimum-free-lengths . (2.0 1.25))
1503 ;; Stems in unnatural (forced) direction should be shortened by
1504 ;; one staff space, according to [Roush & Gourlay].
1505 ;; Flagged stems we shorten only half a staff space.
1506 (stem-shorten . (1.0 0.5))
1510 ;; We use the normal minima as minimum for the ideal lengths,
1511 ;; and the extreme minima as abolute minimum length.
1513 (X-offset . ,ly:stem::offset-callback)
1514 (Y-offset . ,ly:staff-symbol-referencer::callback)
1515 (meta . ((class . Item)
1516 (interfaces . (stem-interface
1517 font-interface))))))
1521 (Y-extent . ,ly:stem-tremolo::height)
1522 (stencil . ,ly:stem-tremolo::print)
1524 (slope . ,ly:stem-tremolo::calc-slope)
1525 (beam-width . ,ly:stem-tremolo::calc-width) ; staff-space
1526 (style . ,ly:stem-tremolo::calc-style)
1527 (beam-thickness . 0.48) ; staff-space
1528 (meta . ((class . Item)
1529 (interfaces . (stem-tremolo-interface))))))
1533 (stencil . ,print-circled-text-callback)
1534 (text . ,string-number::calc-text)
1536 (staff-padding . 0.5)
1537 (self-alignment-X . 0)
1538 (self-alignment-Y . 0)
1539 (script-priority . 100)
1540 (font-encoding . fetaNumber)
1541 (font-size . -5) ; don't overlap when next to heads.
1542 (meta . ((class . Item)
1543 (interfaces . (string-number-interface
1545 text-script-interface
1547 side-position-interface
1548 self-alignment-interface
1549 item-interface))))))
1553 (stencil . ,ly:text-interface::print)
1554 (text . ,string-finger::calc-text)
1555 (digit-names . #("P" "I" "m" "a" "x"))
1557 (staff-padding . 0.5)
1558 (self-alignment-X . 0)
1559 (self-alignment-Y . 0)
1560 (script-priority . 100)
1561 (font-shape . italic)
1562 (font-size . -4) ; don't overlap when next to heads.
1563 (meta . ((class . Item)
1564 (interfaces . (string-finger-interface
1566 text-script-interface
1568 side-position-interface
1569 self-alignment-interface
1570 item-interface))))))
1575 (no-spacing-rods . #t)
1576 (stencil . ,ly:sustain-pedal::print)
1577 (self-alignment-X . 0)
1578 (direction . ,RIGHT)
1579 (padding . 0.0) ;; padding relative to SustainPedalLineSpanner
1580 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1581 (meta . ((class . Item)
1582 (interfaces . (piano-pedal-interface
1583 text-spanner-interface
1584 line-spanner-interface
1586 self-alignment-interface
1587 font-interface))))))
1589 (SustainPedalLineSpanner
1592 (Y-extent . ,ly:axis-group-interface::height)
1593 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1596 (staff-padding . 1.2)
1597 (minimum-space . 1.0)
1599 (meta . ((class . Spanner)
1600 (interfaces . (piano-pedal-interface
1601 axis-group-interface
1602 side-position-interface))))))
1607 (X-extent . ,ly:axis-group-interface::width)
1608 (Y-extent . ,ly:axis-group-interface::height)
1609 (meta . ((class . System)
1610 (interfaces . (system-interface
1611 axis-group-interface))))))
1617 (stencil . ,ly:system-start-delimiter::print)
1618 (collapse-height . 5.0)
1619 (X-offset . ,ly:side-position-interface::x-aligned-side)
1621 (font-encoding . fetaBraces)
1623 (meta . ((class . Spanner)
1624 (interfaces . (system-start-delimiter-interface
1625 side-position-interface
1626 font-interface))))))
1632 (X-offset . ,ly:side-position-interface::x-aligned-side)
1634 (stencil . ,ly:system-start-delimiter::print)
1635 (style . line-bracket)
1637 (meta . ((class . Spanner)
1638 (interfaces . (font-interface
1639 side-position-interface
1640 system-start-delimiter-interface))))))
1645 (X-offset . ,ly:side-position-interface::x-aligned-side)
1647 (stencil . ,ly:system-start-delimiter::print)
1649 (collapse-height . 5.0)
1651 (meta . ((class . Spanner)
1652 (interfaces . (font-interface
1653 side-position-interface
1654 system-start-delimiter-interface))))))
1661 (padding . -0.1) ;; bar must cover rounded ending of staff line.
1662 (X-offset . ,ly:side-position-interface::x-aligned-side)
1666 (stencil . ,ly:system-start-delimiter::print)
1667 (meta . ((class . Spanner)
1668 (interfaces . (side-position-interface
1669 system-start-delimiter-interface))))))
1674 (stencil . ,ly:text-interface::print)
1675 (Y-offset . ,ly:staff-symbol-referencer::callback)
1676 (duration-log . ,note-head::calc-duration-log)
1678 (stem-attachment . (0.0 . 1.35))
1679 (font-series . bold)
1680 (meta . ((class . Item)
1682 . (rhythmic-head-interface
1683 font-interface rhythmic-grob-interface
1685 staff-symbol-referencer-interface
1686 text-interface))))))
1690 (no-spacing-rods . #t)
1691 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1694 ;; sync with Fingering ?
1696 (staff-padding . 0.5)
1698 (stencil . ,ly:text-interface::print)
1699 (direction . ,ly:script-interface::calc-direction)
1701 (avoid-slur . around)
1702 (slur-padding . 0.5)
1703 (script-priority . 200)
1704 ;; todo: add X self alignment?
1705 (meta . ((class . Item)
1706 (interfaces . (text-script-interface
1708 side-position-interface
1709 font-interface))))))
1713 (stencil . ,ly:text-spanner::print)
1714 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1715 (font-shape . italic)
1716 (style . dashed-line)
1717 (staff-padding . 0.8)
1718 (dash-fraction . 0.2)
1722 (meta . ((class . Spanner)
1723 (interfaces . (text-spanner-interface
1724 line-spanner-interface
1725 side-position-interface
1726 font-interface))))))
1730 (control-points . ,ly:tie::calc-control-points)
1731 (springs-and-rods . ,ly:spanner::set-spacing-rods)
1732 (avoid-slur . inside)
1733 (direction . ,ly:tie::calc-direction)
1734 (stencil . ,ly:tie::print)
1737 ;; for a full list, see tie-helper.cc
1739 (center-staff-line-clearance . 0.6)
1740 (tip-staff-line-clearance . 0.45)
1741 (note-head-gap . 0.2)
1743 (height-limit . 1.0)
1744 (horizontal-distance-penalty-factor . 10)
1745 (min-length-penalty-factor . 20)
1746 (tie-tie-collision-distance . 0.45)
1747 (tie-tie-collision-penalty . 25.0)
1748 (intra-space-threshold . 1.25)
1749 (outer-tie-vertical-distance-symmetry-penalty-factor . 10)
1750 (outer-tie-length-symmetry-penalty-factor . 10)
1751 (outer-tie-vertical-gap . 0.25)
1752 (multi-tie-region-size . 1)
1753 (between-length-limit . 1.0)))
1756 (line-thickness . 0.8)
1757 (meta . ((class . Spanner)
1758 (interfaces . (tie-interface))))
1763 (positioning-done . ,ly:tie-column::calc-positioning-done)
1764 (before-line-breaking . ,ly:tie-column::before-line-breaking)
1767 (meta . ((class . Spanner)
1768 (interfaces . (tie-column-interface))))))
1772 (stencil . ,ly:time-signature::print)
1773 (break-align-symbol . time-signature)
1774 (break-visibility . ,all-visible)
1776 (first-note . (fixed-space . 2.0))
1777 (right-edge . (extra-space . 0.5))
1778 (staff-bar . (minimum-space . 2.0))))
1781 (meta . ((class . Item)
1782 (interfaces . (time-signature-interface
1783 break-aligned-interface
1784 font-interface))))))
1788 (stencil . ,ly:dynamic-text-spanner::print)
1789 (edge-text . ,(cons (make-musicglyph-markup "scripts.trill")
1792 (staff-padding . 1.0)
1795 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1797 (meta . ((class . Spanner)
1798 (interfaces . (text-spanner-interface
1799 line-spanner-interface
1800 side-position-interface
1801 font-interface))))))
1803 (TrillPitchAccidental
1804 . ((X-offset . ,ly:side-position-interface::x-aligned-side)
1809 (stencil . ,ly:accidental-interface::print)
1810 (meta . ((class . Item)
1811 (interfaces . (item-interface
1812 trill-pitch-accidental-interface
1813 side-position-interface
1814 font-interface))))))
1817 . ((X-offset . ,ly:side-position-interface::x-aligned-side)
1820 (stencil . ,parenthesize-elements)
1821 (direction . ,RIGHT)
1824 (meta . ((class . Item)
1825 (interfaces . (side-position-interface
1827 rhythmic-head-interface
1829 accidental-interface
1830 axis-group-interface))))))
1834 (stencil . ,ly:note-head::print)
1836 (Y-offset . ,ly:staff-symbol-referencer::callback)
1838 (meta . ((class . Item)
1839 (interfaces . (item-interface
1840 rhythmic-head-interface
1842 pitched-trill-interface
1844 staff-symbol-referencer-interface))))))
1850 (edge-height . (0.7 . 0.7))
1851 (shorten-pair . (-0.2 . -0.2))
1852 (staff-padding . 0.25)
1853 (direction . ,ly:tuplet-bracket::calc-direction)
1854 (positions . ,ly:tuplet-bracket::calc-positions)
1855 (connect-to-neighbor . ,ly:tuplet-bracket::calc-connect-to-neighbors)
1856 (control-points . ,ly:tuplet-bracket::calc-control-points)
1857 (stencil . ,ly:tuplet-bracket::print)
1859 (meta . ((class . Spanner)
1860 (interfaces . (line-interface
1861 tuplet-bracket-interface))))))
1865 (stencil . ,ly:tuplet-number::print)
1866 (text . ,tuplet-number::calc-denominator-text)
1867 (font-shape . italic)
1869 (avoid-slur . inside)
1870 (meta . ((class . Spanner)
1871 (interfaces . (text-interface tuplet-number-interface
1872 font-interface))))))
1876 (stencil . ,ly:text-interface::print)
1877 (font-shape . italic)
1878 (no-spacing-rods . #t)
1879 (self-alignment-X . 0)
1880 (direction . ,RIGHT)
1881 (padding . 0.0) ;; padding relative to UnaCordaPedalLineSpanner
1882 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1883 (meta . ((class . Item)
1884 (interfaces . (text-interface
1885 self-alignment-interface
1886 font-interface))))))
1888 (UnaCordaPedalLineSpanner
1891 (Y-extent . ,ly:axis-group-interface::height)
1892 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1895 (staff-padding . 1.2)
1896 (minimum-space . 1.0)
1898 (meta . ((class . Spanner)
1899 (interfaces . (piano-pedal-interface
1900 axis-group-interface
1901 side-position-interface))))))
1907 (stencil . ,ly:vaticana-ligature::print)
1908 (meta . ((class . Spanner)
1909 (interfaces . (vaticana-ligature-interface
1910 font-interface))))))
1915 (positioning-done . ,ly:align-interface::calc-positioning-done)
1916 (after-line-breaking . ,ly:align-interface::stretch-after-break)
1917 (Y-extent . ,ly:axis-group-interface::height)
1918 (X-extent . ,ly:axis-group-interface::width)
1921 (meta . ((class . Spanner)
1922 (interfaces . (align-interface
1923 axis-group-interface))))))
1927 (Y-offset . ,ly:hara-kiri-group-spanner::force-hara-kiri-callback)
1929 (Y-extent . ,ly:hara-kiri-group-spanner::y-extent)
1930 (X-extent . ,ly:axis-group-interface::width)
1931 (meta . ((class . Spanner)
1932 (interfaces . (axis-group-interface
1933 hara-kiri-group-interface
1934 vertically-spaceable-interface))))))
1939 (stencil . ,ly:volta-bracket-interface::print)
1942 (font-encoding . fetaNumber)
1943 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1945 (thickness . 1.6) ;; line-thickness
1946 (edge-height . (2.0 . 2.0)) ;; staff-space;
1949 (meta . ((class . Spanner)
1950 (interfaces . (volta-bracket-interface
1951 horizontal-bracket-interface
1954 side-position-interface
1966 (stencil . ,ly:line-spanner::print)
1967 (after-line-breaking . ,ly:line-spanner::after-line-breaking)
1968 (meta . ((class . Spanner)
1969 (interfaces . (line-spanner-interface
1975 (define (completize-grob-entry x)
1976 "Transplant assoc key into 'name entry of 'meta of X. Set interfaces for Item, Spanner etc.
1978 ;; (display (car x))
1980 (let* ((name-sym (car x))
1981 (grob-entry (cdr x))
1982 (meta-entry (cdr (assoc 'meta grob-entry)))
1983 (class (cdr (assoc 'class meta-entry)))
1985 (cdr (assoc 'interfaces meta-entry))))
1989 (set! ifaces-entry (cons 'item-interface ifaces-entry)))
1990 ((eq? 'Spanner class)
1991 (set! ifaces-entry (cons 'spanner-interface ifaces-entry)))
1992 ((eq? 'Paper_column class)
1993 (set! ifaces-entry (cons 'item-interface
1994 (cons 'paper-column-interface ifaces-entry))))
1995 ((eq? 'System class)
1996 (set! ifaces-entry (cons 'system-interface
1997 (cons 'spanner-interface ifaces-entry))))
1999 (ly:warning "Unknown class ~a" class)))
2000 (set! ifaces-entry (cons 'grob-interface ifaces-entry))
2002 (set! meta-entry (assoc-set! meta-entry 'name name-sym))
2003 (set! meta-entry (assoc-set! meta-entry 'interfaces
2005 (set! grob-entry (assoc-set! grob-entry 'meta meta-entry))
2006 (cons name-sym grob-entry)))
2008 (set! all-grob-descriptions (map completize-grob-entry all-grob-descriptions))
2010 ;; (display (map pair? all-grob-descriptions))
2012 ;; make sure that \property Foo.Bar =\turnOff doesn't complain
2015 ;; (display (car x)) (newline)
2017 (set-object-property! (car x) 'translation-type? list?)
2018 (set-object-property! (car x) 'is-grob? #t))
2019 all-grob-descriptions)
2021 (set! all-grob-descriptions (sort all-grob-descriptions alist<?))
2023 (define pure-print-callbacks
2025 `(,ly:note-head::print . '())
2026 `(,ly:clef::print . '())
2027 `(,ly:text-interface::print . '())
2028 `(,ly:script-interface::print . '())))
2030 ;; ly:grob::stencil-extent is safe iff the print callback is safe too
2031 (define (pure-stencil-height grob start stop)
2032 (let ((sten (ly:grob-property-data grob 'stencil)))
2035 (pair? (assq sten pure-print-callbacks)))
2036 (ly:grob::stencil-height grob)
2039 (define pure-Y-extents
2041 `(,ly:staff-symbol::height . ())))
2043 (define Y-extent-conversions
2045 `(,ly:stem::height . ,ly:stem::pure-height)
2046 `(,ly:grob::stencil-height . ,pure-stencil-height)
2047 `(,ly:side-position-interface::y-aligned-side . ,ly:side-position-interface::pure-y-aligned-side)
2048 `(,ly:axis-group-interface::height . ,ly:axis-group-interface::pure-height)
2049 `(,ly:hara-kiri-group-spanner::y-extent . ,ly:hara-kiri-group-spanner::pure-height)
2050 `(,ly:slur::height . ,ly:slur::pure-height)))
2052 (define pure-Y-offsets
2054 `(,ly:staff-symbol-referencer::callback . ())))
2056 (define Y-offset-conversions
2058 `(,ly:side-position-interface::y-aligned-side . ,ly:side-position-interface::pure-y-aligned-side)))
2060 (define-public (pure-relevant grob)
2061 (let ((extent-callback (ly:grob-property-data grob 'Y-extent)))
2063 (pair? extent-callback)
2064 (pair? (assq extent-callback pure-Y-extents))
2066 (pair? (assq extent-callback Y-extent-conversions))
2068 (not (eq? extent-callback ly:grob::stencil-height))
2069 (pair? (assq (ly:grob-property-data grob 'stencil) pure-print-callbacks))
2070 (ly:stencil? (ly:grob-property-data grob 'stencil)))))))
2072 (define (pure-conversion pures conversions defsymbol defreturn rettype? grob start stop)
2073 (let* ((normal-callback (ly:grob-property-data grob defsymbol))
2076 (if (rettype? normal-callback)
2078 (if (pair? (assq normal-callback pures))
2079 (normal-callback grob)
2081 ((pure-callback (assq normal-callback conversions)))
2083 (if (pair? pure-callback)
2084 ((cdr pure-callback) grob start stop)
2087 (define-public (pure-Y-extent grob start stop)
2088 (pure-conversion pure-Y-extents Y-extent-conversions
2089 'Y-extent '(0 . 0) pair? grob start stop))
2091 (define-public (pure-Y-offset grob start stop)
2092 (pure-conversion pure-Y-offsets Y-offset-conversions
2093 'Y-offset 0 number? grob start stop))