1 ;;;; define-grobs.scm --
3 ;;;; source file of the GNU LilyPond music typesetter
5 ;;;; (c) 1998--2006 Han-Wen Nienhuys <hanwen@cs.uu.nl>
6 ;;;; Jan Nieuwenhuizen <janneke@gnu.org>
8 ;;;; distances are given in line-thickness (thicknesses) and
9 ;;;; staff-space (distances)
11 ;;;; WARNING: the meta field should be the last one.
12 ;;;; WARNING: don't use anonymous functions for initialization.
14 ;; TODO: junk the meta field in favor of something more compact?
16 ;;; todo:: reorder sensibly.
18 (define-public all-grob-descriptions
23 (cautionary-style . parentheses)
24 (stencil . ,ly:accidental-interface::print)
26 . ,ly:accidental-interface::after-line-breaking)
27 (meta . ((class . Item)
28 (interfaces . (accidental-interface
33 (stencil . ,ly:accidental-interface::print)
34 (X-offset . ,(ly:make-simple-closure
36 ,(ly:make-simple-closure (list ly:self-alignment-interface::centered-on-x-parent))
37 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self)))))
38 (self-alignment-X . ,CENTER)
40 (cautionary-style . smaller)
41 (Y-offset . ,ly:side-position-interface::y-aligned-side)
42 (cautionary-style . parentheses)
44 (staff-padding . 0.25)
47 (meta . ((class . Item)
48 (interfaces . (side-position-interface
51 accidental-suggestion-interface
52 self-alignment-interface
58 (positioning-done . ,ly:accidental-placement::calc-positioning-done)
59 (X-extent . ,ly:axis-group-interface::width)
61 ;; this is quite small, but it is very ugly to have
62 ;; accs closer to the previous note than to the next one.
63 (right-padding . 0.15)
64 (meta . ((class . Item)
65 (interfaces . (accidental-placement-interface))))))
69 (X-extent . ,ly:axis-group-interface::width)
70 (Y-extent . ,ly:axis-group-interface::height)
72 (clef . (extra-space . 0.5))
73 (key-signature . (extra-space . 0.0))
74 (staff-bar . (extra-space . 0.0))
75 (time-signature . (extra-space . 0.0))
76 (first-note . (fixed-space . 0.0))))
78 (break-align-symbol . ambitus)
79 (break-visibility . ,begin-of-line-visible)
80 (meta . ((class . Item)
81 (interfaces . (axis-group-interface
82 break-aligned-interface
83 ambitus-interface))))))
87 (stencil . ,ly:ambitus::print)
90 (X-offset . ,ly:self-alignment-interface::centered-on-x-parent)
91 (meta . ((class . Item)
92 (interfaces . (ambitus-interface
93 staff-symbol-referencer-interface
99 (X-offset . ,ly:side-position-interface::x-aligned-side)
101 (cautionary-style . parentheses)
102 (stencil . ,ly:accidental-interface::print)
103 (after-line-breaking . ,ly:accidental-interface::after-line-breaking)
105 (meta . ((class . Item)
106 (interfaces . (item-interface
108 break-aligned-interface
109 side-position-interface
115 (stencil . ,ly:note-head::print)
116 (glyph-name . ,note-head::calc-glyph-name)
117 (Y-offset . ,ly:staff-symbol-referencer::callback)
118 (meta . ((class . Item)
119 (interfaces . (font-interface
122 staff-symbol-referencer-interface
123 rhythmic-head-interface
124 ledgered-interface))))))
127 . ((X-extent . ,ly:arpeggio::width)
128 (stencil . ,ly:arpeggio::print)
129 (Y-offset . ,ly:staff-symbol-referencer::callback)
130 (X-offset . ,ly:side-position-interface::x-aligned-side)
134 (staff-position . 0.0)
135 (meta . ((class . Item)
136 (interfaces . (arpeggio-interface
137 staff-symbol-referencer-interface
138 side-position-interface
143 (break-align-symbol . staff-bar)
146 (break-visibility . ,all-visible)
149 (stencil . ,ly:bar-line::print)
150 (glyph-name . ,bar-line::calc-glyph-name)
151 (bar-size . ,ly:bar-line::calc-bar-size)
154 (time-signature . (extra-space . 0.75))
155 (custos . (minimum-space . 2.0))
156 (clef . (minimum-space . 1.0))
157 (key-signature . (extra-space . 1.0))
158 (key-cancellation . (extra-space . 1.0))
159 (first-note . (fixed-space . 1.3))
160 (next-note . (semi-fixed-space . 1.3))
161 (right-edge . (extra-space . 0.0))))
164 ;; Ross. page 151 lists other values, we opt for a leaner look
167 ;; kern should scale with line-thickness too.
170 (hair-thickness . 1.9)
171 (thick-thickness . 6.0)
172 (meta . ((class . Item)
173 (interfaces . (bar-line-interface
174 break-aligned-interface
179 (stencil . ,ly:text-interface::print)
181 (break-visibility . ,begin-of-line-visible)
184 (font-family . roman)
186 (Y-offset . ,ly:side-position-interface::y-aligned-side)
188 (X-offset . ,(ly:make-simple-closure
190 ,(ly:make-simple-closure
191 (list ly:break-alignment-align-interface::self-align-callback))
192 ,(ly:make-simple-closure
193 (list ly:self-alignment-interface::x-aligned-on-self)))))
195 (self-alignment-X . 1)
196 (break-align-symbol . left-edge)
199 (interfaces . (side-position-interface
201 break-alignment-align-interface
202 self-alignment-interface
209 (stencil . ,ly:text-interface::print)
210 (meta . ((class . Item)
211 (interfaces . (text-interface
212 rhythmic-grob-interface
213 bass-figure-interface
219 (threshold . (2 . 1000))
220 (positioning-done . ,ly:align-interface::calc-positioning-done)
221 (Y-extent . ,ly:axis-group-interface::height)
223 (meta . ((class . Spanner)
224 (interfaces . (align-interface
225 bass-figure-alignment-interface
226 axis-group-interface))))))
228 (BassFigureAlignmentPositioning
229 . ((Y-offset . ,ly:side-position-interface::y-aligned-side)
232 (Y-extent . ,ly:axis-group-interface::height)
234 (staff-padding . 1.0)
236 (meta . ((class . Spanner)
237 (interfaces . (side-position-interface
243 (stencil . ,ly:enclosing-bracket::print)
244 (X-extent . ,ly:enclosing-bracket::width)
245 (edge-height . (0.2 . 0.2))
246 (meta . ((class . Item)
247 (interfaces . (enclosing-bracket-interface)) ))
249 (BassFigureContinuation
251 (stencil . ,ly:figured-bass-continuation::print)
252 (Y-offset . ,ly:figured-bass-continuation::center-on-figures)
253 (meta . ((class . Spanner)
254 (interfaces . (figured-bass-continuation-interface))
259 (Y-extent . ,ly:axis-group-interface::height)
260 (meta . ((class . Spanner)
261 (interfaces . (axis-group-interface
267 ;; todo: clean this up a bit: the list is getting
270 (positions . ,(ly:make-simple-closure
271 (ly:make-simple-closure
272 (list chain-grob-member-functions
274 ly:beam::calc-least-squares-positions
275 ly:beam::slope-damping
276 ly:beam::shift-region-to-valid
280 ;; this is a hack to set stem lengths, if positions is set.
281 (quantized-positions . ,ly:beam::set-stem-lengths)
282 (concaveness . ,ly:beam::calc-concaveness)
283 (direction . ,ly:beam::calc-direction)
284 (shorten . ,ly:beam::calc-stem-shorten)
285 (beaming . ,ly:beam::calc-beaming)
286 (stencil . ,ly:beam::print)
289 ;; TODO: should be in SLT.
290 (thickness . 0.48) ; in staff-space
291 (neutral-direction . ,DOWN)
293 ;; Whe have some unreferenced problems here.
295 ;; If we shorten beamed stems less than normal stems (1 staff-space),
296 ;; or high order less than 8th beams, patterns like
297 ;; c''4 [c''8 c''] c''4 [c''16 c]
298 ;; are ugly (different stem lengths).
300 ;; But if we shorten 16th beams as much as 8th beams, a single
301 ;; forced 16th beam looks *very* short.
303 ;; We choose to shorten 8th beams the same as single stems,
304 ;; and high order beams less than 8th beams, so that all
305 ;; isolated shortened beams look nice and a bit shortened,
306 ;; sadly possibly breaking patterns with high order beams.
307 (beamed-stem-shorten . (1.0 0.5 0.25))
309 (auto-knee-gap . 5.5)
311 ;; only for debugging.
312 (font-family . roman)
313 (meta . ((class . Spanner)
314 (interfaces . (staff-symbol-referencer-interface
321 (positioning-done . ,ly:break-align-interface::calc-positioning-done)
322 (X-extent . ,ly:axis-group-interface::width)
323 (break-align-orders . ;; end of line
345 time-signature custos)
359 (meta . ((class . Item)
360 (interfaces . (break-alignment-interface
361 axis-group-interface))))))
366 (X-extent . ,ly:axis-group-interface::width)
367 (meta . ((class . Item)
368 (interfaces . (break-aligned-interface
369 axis-group-interface))))))
373 (break-align-symbol . breathing-sign)
376 (ambitus . (extra-space . 2.0))
377 (custos . (minimum-space . 1.0))
378 (key-signature . (minimum-space . 1.5))
379 (time-signature . (minimum-space . 1.5))
380 (staff-bar . (minimum-space . 1.5))
381 (clef . (minimum-space . 2.0))
382 (first-note . (fixed-space . 1.0)) ;huh?
383 (right-edge . (extra-space . 0.1))))
384 (stencil . ,ly:text-interface::print)
385 (text . ,(make-musicglyph-markup "scripts.rcomma"))
386 (Y-offset . ,ly:breathing-sign::offset-callback)
387 (break-visibility . ,begin-of-line-invisible)
388 (meta . ((class . Item)
389 (interfaces . (break-aligned-interface
390 breathing-sign-interface
396 (stencil . ,ly:clef::print)
397 (glyph-name . ,ly:clef::calc-glyph-name)
399 (font-family . music)
400 (break-align-symbol . clef)
401 (break-visibility . ,begin-of-line-visible)
402 (space-alist . ((ambitus . (extra-space . 2.0))
403 (staff-bar . (extra-space . 0.7))
404 (key-cancellation . (minimum-space . 3.5))
405 (key-signature . (minimum-space . 3.5))
406 (time-signature . (minimum-space . 4.2))
407 (first-note . (minimum-fixed-space . 5.0))
408 (next-note . (extra-space . 0.5))
409 (right-edge . (extra-space . 0.5))))
410 (Y-offset . ,ly:staff-symbol-referencer::callback)
411 (meta . ((class . Item)
412 (interfaces . (clef-interface
413 staff-symbol-referencer-interface
415 break-aligned-interface))))))
417 (ClusterSpannerBeacon
419 (Y-extent . ,ly:cluster-beacon::height)
420 (meta . ((class . Item)
421 (interfaces . (cluster-beacon-interface))))))
425 (springs-and-rods . ,ly:spanner::set-spacing-rods)
426 (stencil . ,ly:cluster::print)
427 (minimum-length . 0.0)
430 (meta . ((class . Spanner)
431 (interfaces . (cluster-interface))))))
435 (stencil . ,ly:text-interface::print)
436 (after-line-breaking . ,ly:chord-name::after-line-breaking)
440 (meta . ((class . Item)
441 (interfaces . (font-interface
442 rhythmic-grob-interface
449 (stencil . ,ly:text-interface::print)
450 (no-spacing-rods . #t)
451 (Y-offset . ,ly:side-position-interface::y-aligned-side)
452 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
455 (staff-padding . 0.5)
456 (script-priority . 200)
457 ;; todo: add X self alignment?
461 (meta . ((class . Item)
462 (interfaces . (text-script-interface
464 side-position-interface
469 (break-align-symbol . custos)
471 (stencil . ,ly:custos::print)
472 (break-visibility . ,end-of-line-visible)
474 (neutral-direction . ,DOWN)
475 (Y-offset . ,ly:staff-symbol-referencer::callback)
477 (first-note . (minimum-fixed-space . 0.0))
478 (right-edge . (extra-space . 0.1))))
479 (meta . ((class . Item)
482 staff-symbol-referencer-interface
484 break-aligned-interface))))))
490 (positioning-done . ,ly:dot-column::calc-positioning-done)
491 (X-extent . ,ly:axis-group-interface::width)
492 (X-offset . ,ly:dot-column::side-position)
493 (meta . ((class . Item)
494 (interfaces . (dot-column-interface
495 axis-group-interface))))))
499 (stencil . ,ly:dots::print)
501 (meta . ((class . Item)
502 (interfaces . (font-interface
503 staff-symbol-referencer-interface
508 (stencil . ,ly:percent-repeat-item-interface::double-percent)
511 (font-encoding . fetaMusic)
514 (break-align-symbol . staff-bar)
515 (break-visibility . ,begin-of-line-invisible)
516 (meta . ((class . Item)
517 (interfaces . (font-interface
518 break-aligned-interface
519 percent-repeat-interface))))))
521 (DoublePercentRepeatCounter
523 (stencil . ,ly:text-interface::print)
524 (X-offset . ,(ly:make-simple-closure `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::centered-on-y-parent))
525 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self)))))
526 (Y-offset . ,ly:side-position-interface::y-aligned-side)
527 (font-encoding . fetaNumber)
528 (self-alignment-X . 0)
532 (staff-padding . 0.25)
534 (meta . ((class . Item)
535 (interfaces . (side-position-interface
536 self-alignment-interface
537 percent-repeat-interface
543 (Y-offset . ,ly:side-position-interface::y-aligned-side)
544 (staff-padding . 0.1)
546 (avoid-slur . outside)
548 (minimum-space . 1.2)
551 (Y-extent . ,ly:axis-group-interface::height)
552 (X-extent . ,ly:axis-group-interface::width)
553 (meta . ((class . Spanner)
554 (interfaces . (axis-group-interface
556 dynamic-line-spanner-interface
557 side-position-interface))))))
564 (stencil . ,ly:text-interface::print)
565 (direction . ,ly:script-interface::calc-direction)
567 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
568 (self-alignment-X . 0)
569 (Y-offset . ,ly:self-alignment-interface::y-aligned-on-self)
570 (self-alignment-Y . 0)
572 (font-encoding . fetaDynamic)
573 (font-shape . italic)
574 (avoid-slur . around)
575 (no-spacing-rods . #t)
576 (script-priority . 100)
577 (meta . ((class . Item)
578 (interfaces . (font-interface
580 self-alignment-interface
582 script-interface))))))
586 (stencil . ,ly:dynamic-text-spanner::print)
588 ;; rather ugh with NCSB
589 ;; (font-series . bold)
590 (font-shape . italic)
591 (style . dashed-line)
593 ;; need to blend with dynamic texts.
595 (bound-padding . 0.75)
596 (dash-fraction . 0.2)
598 (meta . ((class . Spanner)
599 (interfaces . (font-interface
601 line-spanner-interface
603 dynamic-text-spanner-interface
604 spanner-interface))))))
609 ;; sync with TextScript (?)
612 (avoid-slur . around)
614 (staff-padding . 0.5)
615 (self-alignment-X . 0)
616 (self-alignment-Y . 0)
617 (script-priority . 100)
619 (stencil . ,ly:text-interface::print)
620 (direction . ,ly:script-interface::calc-direction)
622 (font-encoding . fetaNumber)
623 (font-size . -5) ; don't overlap when next to heads.
624 (meta . ((class . Item)
625 (interfaces . (finger-interface
627 text-script-interface
629 side-position-interface
630 self-alignment-interface
636 (zigzag-width . 0.75)
640 (stencil . ,ly:line-spanner::print)
641 (after-line-breaking . ,ly:line-spanner::after-line-breaking)
642 (meta . ((class . Spanner)
643 (interfaces . (line-interface
644 line-spanner-interface))))))
650 (meta . ((class . Item)
651 (interfaces . (grid-point-interface))))))
655 (X-extent . ,ly:grid-line-interface::width)
656 (stencil . ,ly:grid-line-interface::print)
657 (self-alignment-X . ,CENTER)
658 (X-offset . ,(ly:make-simple-closure
659 `(,+ ,(ly:make-simple-closure
660 (list ly:self-alignment-interface::centered-on-x-parent))
661 ,(ly:make-simple-closure
662 (list ly:self-alignment-interface::x-aligned-on-self)))))
664 (meta . ((class . Item)
665 (interfaces . (self-alignment-interface
666 grid-line-interface))))))
670 (stencil . ,ly:hairpin::print)
671 (springs-and-rods . ,ly:spanner::set-spacing-rods)
672 (after-line-breaking . ,ly:hairpin::after-line-breaking)
676 (minimum-length . 2.0)
677 (bound-padding . 1.0)
678 (self-alignment-Y . 0)
679 (Y-offset . ,ly:self-alignment-interface::y-aligned-on-self)
680 (meta . ((class . Spanner)
681 (interfaces . (hairpin-interface
683 self-alignment-interface
685 spanner-interface))))))
690 (stencil . ,ly:horizontal-bracket::print)
691 (Y-offset . ,ly:side-position-interface::y-aligned-side)
693 (staff-padding . 0.2)
696 (bracket-flare . (0.5 . 0.5))
697 (meta . ((class . Spanner)
698 (interfaces . (horizontal-bracket-interface
699 side-position-interface
701 spanner-interface))))))
705 (stencil . ,ly:system-start-text::print)
706 (X-offset . ,ly:side-position-interface::x-aligned-side)
708 (self-alignment-Y . ,CENTER)
709 (meta . ((class . Spanner)
710 (interfaces . (system-start-text-interface
711 side-position-interface
716 (stencil . ,ly:key-signature-interface::print)
718 (time-signature . (extra-space . 1.25))
719 (staff-bar . (extra-space . 0.6))
720 (key-signature . (extra-space . 0.5))
721 (right-edge . (extra-space . 0.5))
722 (first-note . (fixed-space . 2.5))))
723 (Y-offset . ,ly:staff-symbol-referencer::callback)
724 (break-align-symbol . key-cancellation)
725 (break-visibility . ,begin-of-line-invisible)
727 (meta . ((class . Item)
728 (interfaces . (key-signature-interface
730 break-aligned-interface))))))
733 (stencil . ,ly:key-signature-interface::print)
735 (time-signature . (extra-space . 1.15))
736 (staff-bar . (extra-space . 1.1))
737 (right-edge . (extra-space . 0.5))
738 (first-note . (fixed-space . 2.5))))
739 (Y-offset . ,ly:staff-symbol-referencer::callback)
740 (break-align-symbol . key-signature)
741 (break-visibility . ,begin-of-line-visible)
743 (meta . ((class . Item)
744 (interfaces . (key-signature-interface
746 break-aligned-interface))))))
751 (stencil . ,ly:tie::print)
752 (control-points . ,ly:semi-tie::calc-control-points)
753 (direction . ,ly:semi-tie::calc-direction)
754 (details . ((ratio . 0.333)
755 (height-limit . 1.0)))
757 (meta . ((class . Item)
758 (interfaces . (semi-tie-interface))
762 (LaissezVibrerTieColumn
766 (head-direction . ,LEFT)
767 (positioning-done . ,ly:semi-tie-column::calc-positioning-done)
768 (meta . ((class . Item)
769 (interfaces . (semi-tie-column-interface))
775 (springs-and-rods . ,ly:ledger-line-spanner::set-spacing-rods)
776 (stencil . ,ly:ledger-line-spanner::print)
779 (minimum-length-fraction . 0.25)
780 (length-fraction . 0.25)
782 (meta . ((class . Spanner)
783 (interfaces . (ledger-line-interface))))))
787 (break-align-symbol . left-edge)
790 (break-visibility . ,center-invisible)
792 (custos . (extra-space . 0.0))
793 (ambitus . (extra-space . 2.0))
794 (time-signature . (extra-space . 1.0))
795 (staff-bar . (extra-space . 0.0))
796 (breathing-sign . (minimum-space . 0.0))
797 (clef . (extra-space . 0.8))
798 (first-note . (fixed-space . 2.0))
799 (right-edge . (extra-space . 0.0))
800 (key-signature . (extra-space . 0.0))
801 (key-cancellation . (extra-space . 0.0))
803 (meta . ((class . Item)
804 (interfaces . (break-aligned-interface))))))
808 ;; ugh. A ligature bracket is totally different from
813 (edge-height . (0.7 . 0.7))
814 (shorten-pair . (-0.2 . -0.2))
816 (positions . ,ly:tuplet-bracket::calc-positions)
817 (stencil . ,ly:tuplet-bracket::print)
818 (staff-padding . 0.25)
819 (connect-to-neighbor . ,ly:tuplet-bracket::calc-connect-to-neighbors)
820 (control-points . ,ly:tuplet-bracket::calc-control-points)
821 (meta . ((class . Spanner)
822 (interfaces . (line-interface
823 tuplet-bracket-interface))))))
828 (stencil . ,ly:lyric-extender::print)
829 (thickness . 0.8) ; line-thickness
830 (minimum-length . 1.5)
832 (meta . ((class . Spanner)
833 (interfaces . (lyric-interface
834 lyric-extender-interface))))))
842 (minimum-length . 0.3)
843 (minimum-distance . 0.1)
845 (springs-and-rods . ,ly:hyphen-spanner::set-spacing-rods)
846 (stencil . ,ly:hyphen-spanner::print)
848 (meta . ((class . Spanner)
849 (interfaces . (lyric-interface
851 lyric-hyphen-interface
852 spanner-interface))))))
855 . ((minimum-distance . 0.45)
856 (springs-and-rods . ,ly:hyphen-spanner::set-spacing-rods)
860 (meta . ((class . Spanner)
861 (interfaces . (spanner-interface
862 lyric-hyphen-interface spacing-interface))
867 (stencil . ,ly:text-interface::print)
868 (X-offset . ,ly:self-alignment-interface::aligned-on-x-parent)
869 (self-alignment-X . 0)
871 (font-series . bold-narrow)
873 (meta . ((class . Item)
874 (interfaces . (rhythmic-grob-interface
875 lyric-syllable-interface
876 self-alignment-interface
883 (Y-offset . ,ly:side-position-interface::y-aligned-side)
885 (stencil . ,ly:measure-grouping::print)
891 (meta . ((class . Spanner)
892 (interfaces . (side-position-interface
893 measure-grouping-interface))))))
897 (neutral-direction . ,DOWN)
898 (meta . ((class . Item)
899 (interfaces . (melody-spanner-interface spacing-interface))))))
904 (stencil . ,ly:mensural-ligature::print)
905 (meta . ((class . Spanner)
906 (interfaces . (mensural-ligature-interface
911 (stencil . ,ly:text-interface::print)
912 (Y-offset . ,ly:side-position-interface::y-aligned-side)
916 (meta . ((class . Item)
917 (interfaces . (text-interface
918 side-position-interface
920 metronome-mark-interface))))))
925 (stencil . ,ly:multi-measure-rest::print)
926 (springs-and-rods . ,ly:multi-measure-rest::set-spacing-rods)
927 (Y-offset . ,ly:staff-symbol-referencer::callback)
930 (thick-thickness . 6.6)
931 (hair-thickness . 2.0)
933 (meta . ((class . Spanner)
934 (interfaces . (multi-measure-rest-interface
935 multi-measure-interface
938 staff-symbol-referencer-interface))))))
941 (MultiMeasureRestNumber
943 (bound-padding . 2.0)
944 (springs-and-rods . ,ly:multi-measure-rest::set-text-rods)
945 (stencil . ,ly:text-interface::print)
946 (X-offset . ,(ly:make-simple-closure
947 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self))
948 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-centered-on-y-parent)))))
949 (Y-offset . ,ly:side-position-interface::y-aligned-side)
951 (self-alignment-X . 0)
954 (staff-padding . 0.4)
955 (font-encoding . fetaNumber)
956 (meta . ((class . Spanner)
957 (interfaces . (side-position-interface
958 multi-measure-interface
959 self-alignment-interface
964 (MultiMeasureRestText
966 (stencil . ,ly:text-interface::print)
967 (X-offset . ,(ly:make-simple-closure
968 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-centered-on-y-parent))
969 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self)))))
971 (Y-offset . ,ly:side-position-interface::y-aligned-side)
972 (self-alignment-X . 0)
975 (staff-padding . 0.25)
976 (meta . ((class . Spanner)
977 (interfaces . (side-position-interface
978 multi-measure-interface
979 self-alignment-interface
986 (X-extent . ,ly:axis-group-interface::width)
987 (Y-extent . ,ly:axis-group-interface::height)
988 (positioning-done . ,ly:note-collision-interface::calc-positioning-done)
989 (meta . ((class . Item)
990 (interfaces . (note-collision-interface
991 axis-group-interface))))))
996 (X-extent . ,ly:axis-group-interface::width)
997 (Y-extent . ,ly:axis-group-interface::height)
998 (meta . ((class . Item)
999 (interfaces . (axis-group-interface
1000 note-column-interface))))))
1004 (stencil . ,ly:note-head::print)
1005 (stem-attachment . ,ly:note-head::calc-stem-attachment)
1006 (glyph-name . ,note-head::calc-glyph-name)
1007 (Y-offset . ,ly:staff-symbol-referencer::callback)
1008 (X-offset . ,ly:note-head::stem-x-shift)
1009 (meta . ((class . Item)
1010 (interfaces . (rhythmic-grob-interface
1011 rhythmic-head-interface
1015 staff-symbol-referencer-interface))))))
1019 (stem-spacing-correction . 0.5)
1020 (same-direction-correction . 0.25)
1021 ;; Changed this from 0.75.
1022 ;; If you ever change this back, please document! --hwn
1023 (knee-spacing-correction . 1.0)
1024 (meta . ((class . Item)
1025 (interfaces . (spacing-interface
1026 note-spacing-interface))))))
1030 (stencil . ,ly:text-interface::print)
1031 (meta . ((class . Item)
1032 (interfaces . (note-name-interface
1034 font-interface))))))
1038 (self-alignment-X . 0)
1039 (break-visibility . ,begin-of-line-visible)
1040 (X-offset . ,(ly:make-simple-closure
1041 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self))
1042 ,(ly:make-simple-closure (list ly:self-alignment-interface::centered-on-x-parent)))))
1044 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1045 (stencil . ,ly:text-interface::print)
1047 ;; no Y dimensions, because of lyrics under tenor clef.
1048 (Y-extent . (0 . 0))
1049 (font-shape . italic)
1051 (staff-padding . 0.2)
1053 (meta . ((class . Item)
1054 (interfaces . (text-interface
1055 self-alignment-interface
1056 side-position-interface
1057 font-interface))))))
1061 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1062 (stencil . ,ly:ottava-bracket::print)
1063 (font-shape . italic)
1064 (shorten-pair . (0.0 . -0.6))
1065 (staff-padding . 1.0)
1067 (minimum-length . 1.0)
1068 (dash-fraction . 0.3)
1069 (edge-height . (0 . 1.2))
1071 (meta . ((class . Spanner)
1072 (interfaces . (ottava-bracket-interface
1073 horizontal-bracket-interface
1075 side-position-interface
1077 text-interface))))))
1082 (before-line-breaking . ,ly:paper-column::before-line-breaking)
1083 ;; (stencil . ,ly:paper-column::print)
1084 (X-extent . ,ly:axis-group-interface::width)
1087 ;; (font-size . -6) (font-name . "sans") (Y-extent . #f)
1088 (meta . ((class . Paper_column)
1089 (interfaces . (paper-column-interface
1090 axis-group-interface
1091 spaceable-grob-interface))))))
1094 . ((stencil . ,parentheses-item::print)
1097 (meta . ((class . Item)
1098 (interfaces . (parentheses-interface font-interface))))
1102 . ((details . ,default-slur-details)
1103 (control-points . ,ly:slur::calc-control-points)
1104 (direction . ,ly:slur::calc-direction)
1105 (springs-and-rods . ,ly:spanner::set-spacing-rods)
1106 (Y-extent . ,ly:slur::height)
1107 (stencil . ,ly:slur::print)
1109 (minimum-length . 1.5)
1110 (height-limit . 2.0)
1112 (meta . ((class . Spanner)
1113 (interfaces . (slur-interface))))))
1115 (NonMusicalPaperColumn
1118 (before-line-breaking . ,ly:paper-column::before-line-breaking)
1119 (X-extent . ,ly:axis-group-interface::width)
1120 ;; (stencil . ,ly:paper-column::print)
1123 (line-break-permission . allow)
1125 ;; debugging stuff: print column number.
1126 ;; (font-size . -6) (font-name . "sans") (Y-extent . #f)
1128 (meta . ((class . Paper_column)
1129 (interfaces . (paper-column-interface
1130 axis-group-interface
1131 spaceable-grob-interface))))))
1135 (springs-and-rods . ,ly:multi-measure-rest::set-spacing-rods)
1136 (stencil . ,ly:multi-measure-rest::percent)
1139 (font-encoding . fetaMusic)
1140 (meta . ((class . Spanner)
1141 (interfaces . (multi-measure-rest-interface
1143 percent-repeat-interface))))))
1144 (PercentRepeatCounter
1146 (stencil . ,ly:text-interface::print)
1147 (X-offset . ,(ly:make-simple-closure
1148 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-centered-on-y-parent))
1149 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self)))))
1150 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1151 (self-alignment-X . 0)
1154 (staff-padding . 0.25)
1156 (font-encoding . fetaNumber)
1157 (meta . ((class . Spanner)
1158 (interfaces . (side-position-interface
1159 self-alignment-interface
1160 percent-repeat-interface
1162 text-interface))))))
1164 ;; an example of a text spanner
1167 (stencil . ,ly:piano-pedal-bracket::print)
1169 (bound-padding . 1.0)
1171 (bracket-flare . (0.5 . 0.5))
1172 (edge-height . (1.0 . 1.0))
1173 (shorten-pair . (0.0 . 0.0))
1175 (meta . ((class . Spanner)
1176 (interfaces . (line-interface
1177 piano-pedal-interface
1178 piano-pedal-bracket-interface))))))
1182 (stencil . ,ly:text-interface::print)
1183 (X-offset . ,(ly:make-simple-closure
1185 ,(ly:make-simple-closure
1186 (list ly:break-alignment-align-interface::self-align-callback))
1187 ,(ly:make-simple-closure
1188 (list ly:self-alignment-interface::x-aligned-on-self)))))
1190 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1191 (self-alignment-X . 0)
1196 (break-visibility . ,end-of-line-invisible)
1197 (break-align-symbol . staff-bar)
1199 (meta . ((class . Item)
1200 (interfaces . (text-interface
1201 side-position-interface
1202 break-alignment-align-interface
1205 self-alignment-interface))))))
1210 (stencil . ,ly:percent-repeat-item-interface::beat-slash)
1213 (meta . ((class . Item)
1214 (interfaces . (percent-repeat-interface))))))
1217 (stencil . ,ly:tie::print)
1218 (control-points . ,ly:semi-tie::calc-control-points)
1219 (direction . ,ly:semi-tie::calc-direction)
1220 (details . ((ratio . 0.333)
1221 (height-limit . 1.0)))
1223 (meta . ((class . Item)
1224 (interfaces . (semi-tie-interface))
1232 (head-direction . ,RIGHT)
1233 (positioning-done . ,ly:semi-tie-column::calc-positioning-done)
1234 (meta . ((class . Item)
1235 (interfaces . (semi-tie-column-interface))
1241 (stencil . ,ly:rest::print)
1242 (X-extent . ,ly:rest::width)
1243 (Y-extent . ,ly:rest::height)
1244 (Y-offset . ,ly:rest::y-offset-callback)
1245 (minimum-distance . 0.25)
1246 (meta . ((class . Item)
1247 (interfaces . (font-interface
1248 rhythmic-head-interface
1249 rhythmic-grob-interface
1250 staff-symbol-referencer-interface
1251 rest-interface))))))
1255 (minimum-distance . 0.75)
1256 (positioning-done . ,ly:rest-collision::calc-positioning-done)
1257 (meta . ((class . Item)
1258 (interfaces . (rest-collision-interface))))))
1262 ;; don't set direction here: it breaks staccato.
1264 ;; This value is sensitive: if too large, staccato dots will move a
1267 (staff-padding . 0.25)
1268 ;; (script-priority . 0) priorities for scripts, see script.scm
1269 (X-offset . , ly:self-alignment-interface::centered-on-x-parent)
1272 (stencil . ,ly:script-interface::print)
1273 (direction . ,ly:script-interface::calc-direction)
1274 (font-encoding . fetaMusic)
1275 (meta . ((class . Item)
1276 (interfaces . (script-interface
1277 side-position-interface
1278 font-interface))))))
1282 (before-line-breaking . ,ly:script-column::before-line-breaking)
1283 (meta . ((class . Item)
1284 (interfaces . (script-column-interface))))))
1290 (meta . ((class . Item)
1291 (interfaces . (spacing-interface
1292 separation-item-interface))))))
1294 (SeparatingGroupSpanner
1296 (springs-and-rods . ,ly:separating-group-spanner::set-spacing-rods)
1297 (meta . ((class . Spanner)
1298 (interfaces . (only-prebreak-interface
1300 separation-spanner-interface))))))
1303 . ((details . ,default-slur-details)
1304 (control-points . ,ly:slur::calc-control-points)
1305 (direction . ,ly:slur::calc-direction)
1306 (springs-and-rods . ,ly:spanner::set-spacing-rods)
1307 (Y-extent . ,ly:slur::height)
1308 (stencil . ,ly:slur::print)
1310 (line-thickness . 0.8)
1311 (minimum-length . 1.5)
1312 (height-limit . 2.0)
1314 (avoid-slur . inside)
1315 (meta . ((class . Spanner)
1316 (interfaces . (slur-interface))))))
1320 (stencil . ,ly:text-interface::print)
1321 (direction . ,RIGHT)
1322 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1323 (no-spacing-rods . #t)
1324 (padding . 0.0) ;; padding relative to SostenutoPedalLineSpanner
1325 (font-shape . italic)
1326 (self-alignment-X . 0)
1327 (meta . ((class . Item)
1328 (interfaces . (text-interface
1329 self-alignment-interface
1330 font-interface))))))
1332 (SostenutoPedalLineSpanner
1335 (Y-extent . ,ly:axis-group-interface::height)
1336 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1338 (staff-padding . 1.0)
1340 (minimum-space . 1.0)
1342 (meta . ((class . Spanner)
1343 (interfaces . (piano-pedal-interface
1344 axis-group-interface
1345 side-position-interface))))))
1348 (springs-and-rods . ,ly:spacing-spanner::set-springs)
1349 (average-spacing-wishes . #t)
1350 (grace-space-factor . 0.6)
1351 (shortest-duration-space . 2.0)
1352 (spacing-increment . 1.2)
1353 (base-shortest-duration . ,(ly:make-moment 3 16))
1354 (meta . ((class . Spanner)
1355 (interfaces . (spacing-interface
1356 spacing-spanner-interface))))))
1360 (break-align-symbol . staff-bar)
1364 (stencil . ,ly:span-bar::print)
1365 (bar-size . ,ly:span-bar::calc-bar-size)
1366 (X-extent . ,ly:span-bar::width)
1367 (glyph-name . ,ly:span-bar::calc-glyph-name)
1368 (before-line-breaking . ,ly:span-bar::before-line-breaking)
1373 ;; Ross. page 151 lists other values, we opt for a leaner look
1377 (hair-thickness . 1.6)
1378 (thick-thickness . 6.0)
1379 (meta . ((class . Item)
1380 (interfaces . (span-bar-interface
1382 bar-line-interface))))))
1386 (stencil . ,ly:text-interface::print)
1387 (font-series . bold)
1389 (X-offset . ,ly:side-position-interface::x-aligned-side)
1392 (meta . ((class . Item)
1393 (interfaces . (side-position-interface
1394 stanza-number-interface
1396 font-interface))))))
1402 (stem-spacing-correction . 0.4)
1403 (meta . ((class . Item)
1404 (interfaces . (spacing-interface
1405 staff-spacing-interface))))))
1410 (Y-extent . ,ly:staff-symbol::height)
1411 (stencil . ,ly:staff-symbol::print)
1413 (ledger-line-thickness . (1.0 . 0.1))
1415 (meta . ((class . Spanner)
1416 (interfaces . (staff-symbol-interface))))))
1420 (direction . ,ly:stem::calc-direction)
1421 (default-direction . ,ly:stem::calc-default-direction)
1422 (stem-end-position . ,ly:stem::calc-stem-end-position)
1423 (neutral-direction . ,DOWN)
1424 (stem-info . ,ly:stem::calc-stem-info)
1425 (positioning-done . ,ly:stem::calc-positioning-done)
1426 (stencil . ,ly:stem::print)
1427 (X-extent . ,ly:stem::width)
1428 (Y-extent . ,ly:stem::height)
1429 (length . ,ly:stem::calc-length)
1433 ;; 3.5 (or 3 measured from note head) is standard length
1434 ;; 32nd, 64th flagged stems should be longer
1435 (lengths . (3.5 3.5 3.5 4.5 5.0))
1437 ;; FIXME. 3.5 yields too long beams (according to Ross and
1438 ;; looking at Baerenreiter examples) for a number of common
1439 ;; boundary cases. Subtracting half a beam thickness fixes
1440 ;; this, but the bug may well be somewhere else.
1442 ;; FIXME this should come from 'lengths
1443 (beamed-lengths . (3.26 3.5 3.6))
1445 ;; The 'normal' minima
1446 (beamed-minimum-free-lengths . (1.83 1.5 1.25))
1447 ;(beamed-minimum-free-lengths . (2.0 1.83 1.25))
1449 ;; The 'extreme case' minima
1450 (beamed-extreme-minimum-free-lengths . (2.0 1.25))
1452 ;; Stems in unnatural (forced) direction should be shortened by
1453 ;; one staff space, according to [Roush & Gourlay].
1454 ;; Flagged stems we shorten only half a staff space.
1455 (stem-shorten . (1.0 0.5))
1459 ;; We use the normal minima as minimum for the ideal lengths,
1460 ;; and the extreme minima as abolute minimum length.
1462 (X-offset . ,ly:stem::offset-callback)
1463 (Y-offset . ,ly:staff-symbol-referencer::callback)
1464 (meta . ((class . Item)
1465 (interfaces . (stem-interface
1466 font-interface))))))
1470 (Y-extent . ,ly:stem-tremolo::height)
1471 (stencil . ,ly:stem-tremolo::print)
1473 (slope . ,ly:stem-tremolo::calc-slope)
1474 (beam-width . ,ly:stem-tremolo::calc-width) ; staff-space
1475 (style . ,ly:stem-tremolo::calc-style)
1476 (beam-thickness . 0.48) ; staff-space
1477 (meta . ((class . Item)
1478 (interfaces . (stem-tremolo-interface))))))
1482 (stencil . ,print-circled-text-callback)
1484 (staff-padding . 0.5)
1485 (self-alignment-X . 0)
1486 (self-alignment-Y . 0)
1487 (script-priority . 100)
1488 (font-encoding . fetaNumber)
1489 (font-size . -5) ; don't overlap when next to heads.
1490 (meta . ((class . Item)
1491 (interfaces . (string-number-interface
1493 text-script-interface
1495 side-position-interface
1496 self-alignment-interface
1497 item-interface))))))
1501 (no-spacing-rods . #t)
1502 (stencil . ,ly:sustain-pedal::print)
1503 (self-alignment-X . 0)
1504 (direction . ,RIGHT)
1505 (padding . 0.0) ;; padding relative to SustainPedalLineSpanner
1506 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1507 (meta . ((class . Item)
1508 (interfaces . (piano-pedal-interface
1509 text-spanner-interface
1510 line-spanner-interface
1512 self-alignment-interface
1513 font-interface))))))
1515 (SustainPedalLineSpanner
1518 (Y-extent . ,ly:axis-group-interface::height)
1519 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1522 (staff-padding . 1.2)
1523 (minimum-space . 1.0)
1525 (meta . ((class . Spanner)
1526 (interfaces . (piano-pedal-interface
1527 axis-group-interface
1528 side-position-interface))))))
1533 (X-extent . ,ly:axis-group-interface::width)
1534 (Y-extent . ,ly:axis-group-interface::height)
1535 (meta . ((class . System)
1536 (interfaces . (system-interface
1537 axis-group-interface))))))
1543 (stencil . ,ly:system-start-delimiter::print)
1544 (collapse-height . 5.0)
1545 (X-offset . ,ly:side-position-interface::x-aligned-side)
1547 (font-encoding . fetaBraces)
1549 (meta . ((class . Spanner)
1550 (interfaces . (system-start-delimiter-interface
1551 side-position-interface
1552 font-interface))))))
1558 (X-offset . ,ly:side-position-interface::x-aligned-side)
1560 (stencil . ,ly:system-start-delimiter::print)
1561 (style . line-bracket)
1563 (meta . ((class . Spanner)
1564 (interfaces . (font-interface
1565 side-position-interface
1566 system-start-delimiter-interface))))))
1571 (X-offset . ,ly:side-position-interface::x-aligned-side)
1573 (stencil . ,ly:system-start-delimiter::print)
1575 (collapse-height . 5.0)
1577 (meta . ((class . Spanner)
1578 (interfaces . (font-interface
1579 side-position-interface
1580 system-start-delimiter-interface))))))
1587 (padding . -0.1) ;; bar must cover rounded ending of staff line.
1588 (X-offset . ,ly:side-position-interface::x-aligned-side)
1592 (stencil . ,ly:system-start-delimiter::print)
1593 (meta . ((class . Spanner)
1594 (interfaces . (side-position-interface
1595 system-start-delimiter-interface))))))
1600 (stencil . ,ly:text-interface::print)
1601 (Y-offset . ,ly:staff-symbol-referencer::callback)
1603 (stem-attachment . (0.0 . 1.35))
1604 (font-series . bold)
1605 (meta . ((class . Item)
1607 . (rhythmic-head-interface
1608 font-interface rhythmic-grob-interface
1610 staff-symbol-referencer-interface
1611 text-interface))))))
1615 (no-spacing-rods . #t)
1616 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1619 ;; sync with Fingering ?
1621 (staff-padding . 0.5)
1623 (stencil . ,ly:text-interface::print)
1624 (direction . ,ly:script-interface::calc-direction)
1626 (avoid-slur . around)
1627 (slur-padding . 0.5)
1628 (script-priority . 200)
1629 ;; todo: add X self alignment?
1630 (meta . ((class . Item)
1631 (interfaces . (text-script-interface
1633 side-position-interface
1634 font-interface))))))
1638 (stencil . ,ly:text-spanner::print)
1639 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1640 (font-shape . italic)
1641 (style . dashed-line)
1642 (staff-padding . 0.8)
1643 (dash-fraction . 0.2)
1647 (meta . ((class . Spanner)
1648 (interfaces . (text-spanner-interface
1649 line-spanner-interface
1650 side-position-interface
1651 font-interface))))))
1655 (control-points . ,ly:tie::calc-control-points)
1656 (avoid-slur . inside)
1657 (direction . ,ly:tie::calc-direction)
1658 (stencil . ,ly:tie::print)
1661 ;; for a full list, see tie-helper.cc
1663 (center-staff-line-clearance . 0.6)
1664 (tip-staff-line-clearance . 0.45)
1665 (note-head-gap . 0.2)
1667 (height-limit . 1.0)
1668 (horizontal-distance-penalty-factor . 10)
1669 (min-length-penalty-factor . 20)
1670 (tie-tie-collision-distance . 0.45)
1671 (tie-tie-collision-penalty . 25.0)
1672 (intra-space-threshold . 1.25)
1673 (outer-tie-vertical-distance-symmetry-penalty-factor . 10)
1674 (outer-tie-length-symmetry-penalty-factor . 10)
1675 (outer-tie-vertical-gap . 0.25)
1676 (multi-tie-region-size . 1)
1677 (between-length-limit . 1.0)))
1679 (line-thickness . 0.8)
1680 (meta . ((class . Spanner)
1681 (interfaces . (tie-interface))))
1686 (positioning-done . ,ly:tie-column::calc-positioning-done)
1687 (before-line-breaking . ,ly:tie-column::before-line-breaking)
1690 (meta . ((class . Spanner)
1691 (interfaces . (tie-column-interface))))))
1695 (stencil . ,ly:time-signature::print)
1696 (break-align-symbol . time-signature)
1697 (break-visibility . ,all-visible)
1699 (first-note . (fixed-space . 2.0))
1700 (right-edge . (extra-space . 0.5))
1701 (staff-bar . (minimum-space . 2.0))))
1704 (meta . ((class . Item)
1705 (interfaces . (time-signature-interface
1706 break-aligned-interface
1707 font-interface))))))
1711 (stencil . ,ly:dynamic-text-spanner::print)
1712 (edge-text . ,(cons (make-musicglyph-markup "scripts.trill")
1715 (staff-padding . 1.0)
1718 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1720 (meta . ((class . Spanner)
1721 (interfaces . (text-spanner-interface
1722 line-spanner-interface
1723 side-position-interface
1724 font-interface))))))
1726 (TrillPitchAccidental
1727 . ((X-offset . ,ly:side-position-interface::x-aligned-side)
1732 (stencil . ,ly:accidental-interface::print)
1733 (meta . ((class . Item)
1734 (interfaces . (item-interface
1735 accidental-interface
1736 side-position-interface
1737 font-interface))))))
1740 . ((X-offset . ,ly:side-position-interface::x-aligned-side)
1743 (stencil . ,parenthesize-elements)
1744 (direction . ,RIGHT)
1747 (meta . ((class . Item)
1748 (interfaces . (side-position-interface
1750 rhythmic-head-interface
1752 accidental-interface
1753 axis-group-interface))))))
1757 (stencil . ,ly:note-head::print)
1759 (Y-offset . ,ly:staff-symbol-referencer::callback)
1761 (meta . ((class . Item)
1762 (interfaces . (item-interface
1763 rhythmic-head-interface
1765 pitched-trill-interface
1767 staff-symbol-referencer-interface))))))
1773 (edge-height . (0.7 . 0.7))
1774 (shorten-pair . (-0.2 . -0.2))
1775 (staff-padding . 0.25)
1776 (direction . ,ly:tuplet-bracket::calc-direction)
1777 (positions . ,ly:tuplet-bracket::calc-positions)
1778 (connect-to-neighbor . ,ly:tuplet-bracket::calc-connect-to-neighbors)
1779 (control-points . ,ly:tuplet-bracket::calc-control-points)
1780 (stencil . ,ly:tuplet-bracket::print)
1782 (meta . ((class . Spanner)
1783 (interfaces . (line-interface
1784 tuplet-bracket-interface))))))
1788 (stencil . ,ly:tuplet-number::print)
1789 (text . ,tuplet-number::calc-denominator-text)
1790 (font-shape . italic)
1792 (avoid-slur . inside)
1793 (meta . ((class . Spanner)
1794 (interfaces . (text-interface tuplet-number-interface
1795 font-interface))))))
1799 (stencil . ,ly:text-interface::print)
1800 (font-shape . italic)
1801 (no-spacing-rods . #t)
1802 (self-alignment-X . 0)
1803 (direction . ,RIGHT)
1804 (padding . 0.0) ;; padding relative to UnaCordaPedalLineSpanner
1805 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1806 (meta . ((class . Item)
1807 (interfaces . (text-interface
1808 self-alignment-interface
1809 font-interface))))))
1811 (UnaCordaPedalLineSpanner
1814 (Y-extent . ,ly:axis-group-interface::height)
1815 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1818 (staff-padding . 1.2)
1819 (minimum-space . 1.0)
1821 (meta . ((class . Spanner)
1822 (interfaces . (piano-pedal-interface
1823 axis-group-interface
1824 side-position-interface))))))
1830 (stencil . ,ly:vaticana-ligature::print)
1831 (meta . ((class . Spanner)
1832 (interfaces . (vaticana-ligature-interface
1833 font-interface))))))
1838 (positioning-done . ,ly:align-interface::calc-positioning-done)
1839 (after-line-breaking . ,ly:align-interface::stretch-after-break)
1840 (Y-extent . ,ly:axis-group-interface::height)
1841 (X-extent . ,ly:axis-group-interface::width)
1843 (meta . ((class . Spanner)
1844 (interfaces . (align-interface
1845 axis-group-interface))))))
1849 (Y-offset . ,ly:hara-kiri-group-spanner::force-hara-kiri-callback)
1851 (Y-extent . ,ly:hara-kiri-group-spanner::y-extent)
1852 (X-extent . ,ly:axis-group-interface::width)
1853 (meta . ((class . Spanner)
1854 (interfaces . (axis-group-interface
1855 hara-kiri-group-interface
1856 vertically-spaceable-interface))))))
1861 (stencil . ,ly:volta-bracket-interface::print)
1864 (font-encoding . fetaNumber)
1865 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1867 (thickness . 1.6) ;; line-thickness
1868 (edge-height . (2.0 . 2.0)) ;; staff-space;
1871 (meta . ((class . Spanner)
1872 (interfaces . (volta-bracket-interface
1873 horizontal-bracket-interface
1876 side-position-interface
1888 (stencil . ,ly:line-spanner::print)
1889 (after-line-breaking . ,ly:line-spanner::after-line-breaking)
1890 (meta . ((class . Spanner)
1891 (interfaces . (line-spanner-interface
1897 (define (completize-grob-entry x)
1898 "Transplant assoc key into 'name entry of 'meta of X. Set interfaces for Item, Spanner etc.
1900 ;; (display (car x))
1902 (let* ((name-sym (car x))
1903 (grob-entry (cdr x))
1904 (meta-entry (cdr (assoc 'meta grob-entry)))
1905 (class (cdr (assoc 'class meta-entry)))
1907 (cdr (assoc 'interfaces meta-entry))))
1911 (set! ifaces-entry (cons 'item-interface ifaces-entry)))
1912 ((eq? 'Spanner class)
1913 (set! ifaces-entry (cons 'spanner-interface ifaces-entry)))
1914 ((eq? 'Paper_column class)
1915 (set! ifaces-entry (cons 'item-interface
1916 (cons 'paper-column-interface ifaces-entry))))
1917 ((eq? 'System class)
1918 (set! ifaces-entry (cons 'system-interface
1919 (cons 'spanner-interface ifaces-entry))))
1921 (ly:warning "Unknown class ~a" class)))
1922 (set! ifaces-entry (cons 'grob-interface ifaces-entry))
1924 (set! meta-entry (assoc-set! meta-entry 'name name-sym))
1925 (set! meta-entry (assoc-set! meta-entry 'interfaces
1927 (set! grob-entry (assoc-set! grob-entry 'meta meta-entry))
1928 (cons name-sym grob-entry)))
1930 (set! all-grob-descriptions (map completize-grob-entry all-grob-descriptions))
1932 ;; (display (map pair? all-grob-descriptions))
1934 ;; make sure that \property Foo.Bar =\turnOff doesn't complain
1937 ;; (display (car x)) (newline)
1939 (set-object-property! (car x) 'translation-type? list?)
1940 (set-object-property! (car x) 'is-grob? #t))
1941 all-grob-descriptions)
1943 (set! all-grob-descriptions (sort all-grob-descriptions alist<?))
1946 (define pure-print-callbacks
1948 `(,ly:note-head::print . '())
1949 `(,ly:clef::print . '())
1950 `(,ly:text-interface::print . '())))
1952 ;; ly:grob::stencil-extent is safe iff the print callback is safe too
1953 (define (pure-stencil-height grob start stop)
1954 (let ((sten (ly:grob-property-data grob 'stencil)))
1957 (pair? (assq sten pure-print-callbacks)))
1958 (ly:grob::stencil-height grob)
1961 (define pure-Y-extents
1963 `(,ly:staff-symbol::height . ())))
1965 (define Y-extent-conversions
1967 `(,ly:stem::height . ,ly:stem::pure-height)
1968 `(,ly:grob::stencil-height . ,pure-stencil-height)
1969 `(,ly:side-position-interface::y-aligned-side . ,ly:side-position-interface::pure-y-aligned-side)
1970 `(,ly:axis-group-interface::height . ,ly:axis-group-interface::pure-height)
1971 `(,ly:hara-kiri-group-spanner::y-extent . ,ly:hara-kiri-group-spanner::pure-height)))
1973 (define pure-Y-offsets
1975 `(,ly:staff-symbol-referencer::callback . ())))
1977 (define Y-offset-conversions
1979 `(,ly:side-position-interface::y-aligned-side . ,ly:side-position-interface::pure-y-aligned-side)))
1981 (define-public (pure-relevant grob)
1982 (let ((extent-callback (ly:grob-property-data grob 'Y-extent)))
1984 (pair? (assq extent-callback pure-Y-extents))
1986 (pair? (assq extent-callback Y-extent-conversions))
1988 (not (eq? extent-callback ly:grob::stencil-height))
1989 (pair? (assq (ly:grob-property-data grob 'stencil) pure-print-callbacks))
1990 (ly:stencil? (ly:grob-property-data grob 'stencil)))))))
1992 (define (pure-conversion pures conversions defsymbol defreturn rettype? grob start stop)
1993 (let* ((normal-callback (ly:grob-property-data grob defsymbol))
1994 (pure-callback (assq normal-callback conversions)))
1995 (if (rettype? normal-callback)
1997 (if (pair? (assq normal-callback pures))
1998 (normal-callback grob)
1999 (if (pair? pure-callback)
2000 ((cdr pure-callback) grob start stop)
2003 (define-public (pure-Y-extent grob start stop)
2004 (pure-conversion pure-Y-extents Y-extent-conversions
2005 'Y-extent '(0 . 0) pair? grob start stop))
2007 (define-public (pure-Y-offset grob start stop)
2008 (pure-conversion pure-Y-offsets Y-offset-conversions
2009 'Y-offset 0 number? grob start stop))