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
319 (stencil . ,fall::print)
321 (meta . ((class . Spanner)
322 (interfaces . (spanner-interface
323 bend-after-interface))))))
329 (positioning-done . ,ly:break-align-interface::calc-positioning-done)
330 (X-extent . ,ly:axis-group-interface::width)
331 (break-align-orders . ;; end of line
353 time-signature custos)
367 (meta . ((class . Item)
368 (interfaces . (break-alignment-interface
369 axis-group-interface))))))
374 (X-extent . ,ly:axis-group-interface::width)
375 (meta . ((class . Item)
376 (interfaces . (break-aligned-interface
377 axis-group-interface))))))
381 (break-align-symbol . breathing-sign)
384 (ambitus . (extra-space . 2.0))
385 (custos . (minimum-space . 1.0))
386 (key-signature . (minimum-space . 1.5))
387 (time-signature . (minimum-space . 1.5))
388 (staff-bar . (minimum-space . 1.5))
389 (clef . (minimum-space . 2.0))
390 (first-note . (fixed-space . 1.0)) ;huh?
391 (right-edge . (extra-space . 0.1))))
392 (stencil . ,ly:text-interface::print)
393 (text . ,(make-musicglyph-markup "scripts.rcomma"))
394 (Y-offset . ,ly:breathing-sign::offset-callback)
395 (break-visibility . ,begin-of-line-invisible)
396 (meta . ((class . Item)
397 (interfaces . (break-aligned-interface
398 breathing-sign-interface
404 (stencil . ,ly:clef::print)
405 (glyph-name . ,ly:clef::calc-glyph-name)
407 (font-family . music)
408 (break-align-symbol . clef)
409 (break-visibility . ,begin-of-line-visible)
410 (space-alist . ((ambitus . (extra-space . 2.0))
411 (staff-bar . (extra-space . 0.7))
412 (key-cancellation . (minimum-space . 3.5))
413 (key-signature . (minimum-space . 3.5))
414 (time-signature . (minimum-space . 4.2))
415 (first-note . (minimum-fixed-space . 5.0))
416 (next-note . (extra-space . 0.5))
417 (right-edge . (extra-space . 0.5))))
418 (Y-offset . ,ly:staff-symbol-referencer::callback)
419 (meta . ((class . Item)
420 (interfaces . (clef-interface
421 staff-symbol-referencer-interface
423 break-aligned-interface))))))
425 (ClusterSpannerBeacon
427 (Y-extent . ,ly:cluster-beacon::height)
428 (meta . ((class . Item)
429 (interfaces . (cluster-beacon-interface))))))
433 (springs-and-rods . ,ly:spanner::set-spacing-rods)
434 (stencil . ,ly:cluster::print)
435 (minimum-length . 0.0)
438 (meta . ((class . Spanner)
439 (interfaces . (cluster-interface))))))
443 (stencil . ,ly:text-interface::print)
444 (after-line-breaking . ,ly:chord-name::after-line-breaking)
448 (meta . ((class . Item)
449 (interfaces . (font-interface
450 rhythmic-grob-interface
457 (stencil . ,ly:text-interface::print)
458 (no-spacing-rods . #t)
459 (Y-offset . ,ly:side-position-interface::y-aligned-side)
460 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
463 (staff-padding . 0.5)
464 (script-priority . 200)
465 ;; todo: add X self alignment?
469 (meta . ((class . Item)
470 (interfaces . (text-script-interface
472 side-position-interface
477 (break-align-symbol . custos)
479 (stencil . ,ly:custos::print)
480 (break-visibility . ,end-of-line-visible)
482 (neutral-direction . ,DOWN)
483 (Y-offset . ,ly:staff-symbol-referencer::callback)
485 (first-note . (minimum-fixed-space . 0.0))
486 (right-edge . (extra-space . 0.1))))
487 (meta . ((class . Item)
490 staff-symbol-referencer-interface
492 break-aligned-interface))))))
498 (positioning-done . ,ly:dot-column::calc-positioning-done)
499 (X-extent . ,ly:axis-group-interface::width)
500 (X-offset . ,ly:dot-column::side-position)
501 (meta . ((class . Item)
502 (interfaces . (dot-column-interface
503 axis-group-interface))))))
507 (stencil . ,ly:dots::print)
509 (meta . ((class . Item)
510 (interfaces . (font-interface
511 staff-symbol-referencer-interface
516 (stencil . ,ly:percent-repeat-item-interface::double-percent)
519 (font-encoding . fetaMusic)
522 (break-align-symbol . staff-bar)
523 (break-visibility . ,begin-of-line-invisible)
524 (meta . ((class . Item)
525 (interfaces . (font-interface
526 break-aligned-interface
527 percent-repeat-interface))))))
529 (DoublePercentRepeatCounter
531 (stencil . ,ly:text-interface::print)
532 (X-offset . ,(ly:make-simple-closure `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::centered-on-y-parent))
533 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self)))))
534 (Y-offset . ,ly:side-position-interface::y-aligned-side)
535 (font-encoding . fetaNumber)
536 (self-alignment-X . 0)
540 (staff-padding . 0.25)
542 (meta . ((class . Item)
543 (interfaces . (side-position-interface
544 self-alignment-interface
545 percent-repeat-interface
551 (Y-offset . ,ly:side-position-interface::y-aligned-side)
552 (staff-padding . 0.1)
554 (avoid-slur . outside)
556 (minimum-space . 1.2)
559 (Y-extent . ,ly:axis-group-interface::height)
560 (X-extent . ,ly:axis-group-interface::width)
561 (meta . ((class . Spanner)
562 (interfaces . (axis-group-interface
564 dynamic-line-spanner-interface
565 side-position-interface))))))
572 (stencil . ,ly:text-interface::print)
573 (direction . ,ly:script-interface::calc-direction)
575 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
576 (self-alignment-X . 0)
577 (Y-offset . ,ly:self-alignment-interface::y-aligned-on-self)
578 (self-alignment-Y . 0)
580 (font-encoding . fetaDynamic)
581 (font-shape . italic)
582 (avoid-slur . around)
583 (no-spacing-rods . #t)
584 (script-priority . 100)
585 (meta . ((class . Item)
586 (interfaces . (font-interface
588 self-alignment-interface
590 script-interface))))))
594 (stencil . ,ly:dynamic-text-spanner::print)
596 ;; rather ugh with NCSB
597 ;; (font-series . bold)
598 (font-shape . italic)
599 (style . dashed-line)
601 ;; need to blend with dynamic texts.
603 (bound-padding . 0.75)
604 (dash-fraction . 0.2)
606 (meta . ((class . Spanner)
607 (interfaces . (font-interface
609 line-spanner-interface
611 dynamic-text-spanner-interface
612 spanner-interface))))))
618 ;; sync with TextScript (?)
621 (avoid-slur . around)
623 (staff-padding . 0.5)
624 (self-alignment-X . 0)
625 (self-alignment-Y . 0)
626 (script-priority . 100)
628 (stencil . ,ly:text-interface::print)
629 (direction . ,ly:script-interface::calc-direction)
631 (font-encoding . fetaNumber)
632 (font-size . -5) ; don't overlap when next to heads.
633 (meta . ((class . Item)
634 (interfaces . (finger-interface
636 text-script-interface
638 side-position-interface
639 self-alignment-interface
645 (zigzag-width . 0.75)
649 (stencil . ,ly:line-spanner::print)
650 (after-line-breaking . ,ly:line-spanner::after-line-breaking)
651 (meta . ((class . Spanner)
652 (interfaces . (line-interface
653 line-spanner-interface))))))
657 (common-shortest-duration . ,grace-spacing::calc-shortest-duration)
658 (spacing-increment . 0.8)
659 (shortest-duration-space . 1.6)
660 (meta . ((class . Spanner)
661 (interfaces . (grace-spacing-interface
663 spacing-options-interface
664 spanner-interface))))))
669 (meta . ((class . Item)
670 (interfaces . (grid-point-interface))))))
674 (X-extent . ,ly:grid-line-interface::width)
675 (stencil . ,ly:grid-line-interface::print)
676 (self-alignment-X . ,CENTER)
677 (X-offset . ,(ly:make-simple-closure
678 `(,+ ,(ly:make-simple-closure
679 (list ly:self-alignment-interface::centered-on-x-parent))
680 ,(ly:make-simple-closure
681 (list ly:self-alignment-interface::x-aligned-on-self)))))
683 (meta . ((class . Item)
684 (interfaces . (self-alignment-interface
685 grid-line-interface))))))
689 (stencil . ,ly:hairpin::print)
690 (springs-and-rods . ,ly:spanner::set-spacing-rods)
691 (after-line-breaking . ,ly:hairpin::after-line-breaking)
695 (minimum-length . 2.0)
696 (bound-padding . 1.0)
697 (self-alignment-Y . 0)
698 (Y-offset . ,ly:self-alignment-interface::y-aligned-on-self)
699 (meta . ((class . Spanner)
700 (interfaces . (hairpin-interface
702 self-alignment-interface
704 spanner-interface))))))
709 (stencil . ,ly:horizontal-bracket::print)
710 (Y-offset . ,ly:side-position-interface::y-aligned-side)
712 (staff-padding . 0.2)
715 (bracket-flare . (0.5 . 0.5))
716 (meta . ((class . Spanner)
717 (interfaces . (horizontal-bracket-interface
718 side-position-interface
720 spanner-interface))))))
724 (stencil . ,ly:system-start-text::print)
725 (X-offset . ,ly:side-position-interface::x-aligned-side)
727 (self-alignment-Y . ,CENTER)
728 (meta . ((class . Spanner)
729 (interfaces . (system-start-text-interface
730 side-position-interface
735 (stencil . ,ly:key-signature-interface::print)
737 (time-signature . (extra-space . 1.25))
738 (staff-bar . (extra-space . 0.6))
739 (key-signature . (extra-space . 0.5))
740 (right-edge . (extra-space . 0.5))
741 (first-note . (fixed-space . 2.5))))
742 (Y-offset . ,ly:staff-symbol-referencer::callback)
743 (break-align-symbol . key-cancellation)
744 (break-visibility . ,begin-of-line-invisible)
746 (meta . ((class . Item)
747 (interfaces . (key-signature-interface
749 break-aligned-interface))))))
752 (stencil . ,ly:key-signature-interface::print)
754 (time-signature . (extra-space . 1.15))
755 (staff-bar . (extra-space . 1.1))
756 (right-edge . (extra-space . 0.5))
757 (first-note . (fixed-space . 2.5))))
758 (Y-offset . ,ly:staff-symbol-referencer::callback)
759 (break-align-symbol . key-signature)
760 (break-visibility . ,begin-of-line-visible)
762 (meta . ((class . Item)
763 (interfaces . (key-signature-interface
765 break-aligned-interface))))))
770 (stencil . ,ly:tie::print)
771 (control-points . ,ly:semi-tie::calc-control-points)
772 (direction . ,ly:semi-tie::calc-direction)
773 (details . ((ratio . 0.333)
774 (height-limit . 1.0)))
776 (meta . ((class . Item)
777 (interfaces . (semi-tie-interface))
781 (LaissezVibrerTieColumn
785 (head-direction . ,LEFT)
786 (positioning-done . ,ly:semi-tie-column::calc-positioning-done)
787 (meta . ((class . Item)
788 (interfaces . (semi-tie-column-interface))
794 (springs-and-rods . ,ly:ledger-line-spanner::set-spacing-rods)
795 (stencil . ,ly:ledger-line-spanner::print)
798 (minimum-length-fraction . 0.25)
799 (length-fraction . 0.25)
801 (meta . ((class . Spanner)
802 (interfaces . (ledger-line-interface))))))
806 (break-align-symbol . left-edge)
809 (break-visibility . ,center-invisible)
811 (custos . (extra-space . 0.0))
812 (ambitus . (extra-space . 2.0))
813 (time-signature . (extra-space . 1.0))
814 (staff-bar . (extra-space . 0.0))
815 (breathing-sign . (minimum-space . 0.0))
816 (clef . (extra-space . 0.8))
817 (first-note . (fixed-space . 2.0))
818 (right-edge . (extra-space . 0.0))
819 (key-signature . (extra-space . 0.0))
820 (key-cancellation . (extra-space . 0.0))
822 (meta . ((class . Item)
823 (interfaces . (break-aligned-interface))))))
827 ;; ugh. A ligature bracket is totally different from
832 (edge-height . (0.7 . 0.7))
833 (shorten-pair . (-0.2 . -0.2))
835 (positions . ,ly:tuplet-bracket::calc-positions)
836 (stencil . ,ly:tuplet-bracket::print)
837 (staff-padding . 0.25)
838 (connect-to-neighbor . ,ly:tuplet-bracket::calc-connect-to-neighbors)
839 (control-points . ,ly:tuplet-bracket::calc-control-points)
840 (meta . ((class . Spanner)
841 (interfaces . (line-interface
842 tuplet-bracket-interface))))))
847 (stencil . ,ly:lyric-extender::print)
848 (thickness . 0.8) ; line-thickness
849 (minimum-length . 1.5)
851 (meta . ((class . Spanner)
852 (interfaces . (lyric-interface
853 lyric-extender-interface))))))
861 (minimum-length . 0.3)
862 (minimum-distance . 0.1)
864 (springs-and-rods . ,ly:hyphen-spanner::set-spacing-rods)
865 (stencil . ,ly:hyphen-spanner::print)
867 (meta . ((class . Spanner)
868 (interfaces . (lyric-interface
870 lyric-hyphen-interface
871 spanner-interface))))))
874 . ((minimum-distance . 0.45)
875 (springs-and-rods . ,ly:hyphen-spanner::set-spacing-rods)
879 (meta . ((class . Spanner)
880 (interfaces . (spanner-interface
881 lyric-hyphen-interface spacing-interface))
886 (stencil . ,ly:text-interface::print)
887 (X-offset . ,ly:self-alignment-interface::aligned-on-x-parent)
888 (self-alignment-X . 0)
890 (font-series . bold-narrow)
892 (meta . ((class . Item)
893 (interfaces . (rhythmic-grob-interface
894 lyric-syllable-interface
895 self-alignment-interface
902 (Y-offset . ,ly:side-position-interface::y-aligned-side)
904 (stencil . ,ly:measure-grouping::print)
910 (meta . ((class . Spanner)
911 (interfaces . (side-position-interface
912 measure-grouping-interface))))))
916 (neutral-direction . ,DOWN)
917 (meta . ((class . Item)
918 (interfaces . (melody-spanner-interface spacing-interface))))))
923 (stencil . ,ly:mensural-ligature::print)
924 (meta . ((class . Spanner)
925 (interfaces . (mensural-ligature-interface
930 (stencil . ,ly:text-interface::print)
931 (Y-offset . ,ly:side-position-interface::y-aligned-side)
935 (meta . ((class . Item)
936 (interfaces . (text-interface
937 side-position-interface
939 metronome-mark-interface))))))
944 (stencil . ,ly:multi-measure-rest::print)
945 (springs-and-rods . ,ly:multi-measure-rest::set-spacing-rods)
946 (Y-offset . ,ly:staff-symbol-referencer::callback)
949 (thick-thickness . 6.6)
950 (hair-thickness . 2.0)
952 (meta . ((class . Spanner)
953 (interfaces . (multi-measure-rest-interface
954 multi-measure-interface
957 staff-symbol-referencer-interface))))))
960 (MultiMeasureRestNumber
962 (bound-padding . 2.0)
963 (springs-and-rods . ,ly:multi-measure-rest::set-text-rods)
964 (stencil . ,ly:text-interface::print)
965 (X-offset . ,(ly:make-simple-closure
966 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self))
967 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-centered-on-y-parent)))))
968 (Y-offset . ,ly:side-position-interface::y-aligned-side)
970 (self-alignment-X . 0)
973 (staff-padding . 0.4)
974 (font-encoding . fetaNumber)
975 (meta . ((class . Spanner)
976 (interfaces . (side-position-interface
977 multi-measure-interface
978 self-alignment-interface
983 (MultiMeasureRestText
985 (stencil . ,ly:text-interface::print)
986 (X-offset . ,(ly:make-simple-closure
987 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-centered-on-y-parent))
988 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self)))))
990 (Y-offset . ,ly:side-position-interface::y-aligned-side)
991 (self-alignment-X . 0)
994 (staff-padding . 0.25)
995 (meta . ((class . Spanner)
996 (interfaces . (side-position-interface
997 multi-measure-interface
998 self-alignment-interface
1000 text-interface))))))
1005 (X-extent . ,ly:axis-group-interface::width)
1006 (Y-extent . ,ly:axis-group-interface::height)
1007 (positioning-done . ,ly:note-collision-interface::calc-positioning-done)
1008 (meta . ((class . Item)
1009 (interfaces . (note-collision-interface
1010 axis-group-interface))))))
1015 (X-extent . ,ly:axis-group-interface::width)
1016 (Y-extent . ,ly:axis-group-interface::height)
1017 (meta . ((class . Item)
1018 (interfaces . (axis-group-interface
1019 note-column-interface))))))
1023 (stencil . ,ly:note-head::print)
1024 (stem-attachment . ,ly:note-head::calc-stem-attachment)
1025 (glyph-name . ,note-head::calc-glyph-name)
1026 (Y-offset . ,ly:staff-symbol-referencer::callback)
1027 (X-offset . ,ly:note-head::stem-x-shift)
1028 (meta . ((class . Item)
1029 (interfaces . (rhythmic-grob-interface
1030 rhythmic-head-interface
1034 staff-symbol-referencer-interface))))))
1038 (stem-spacing-correction . 0.5)
1039 (same-direction-correction . 0.25)
1040 ;; Changed this from 0.75.
1041 ;; If you ever change this back, please document! --hwn
1042 (knee-spacing-correction . 1.0)
1043 (meta . ((class . Item)
1044 (interfaces . (spacing-interface
1045 note-spacing-interface))))))
1049 (stencil . ,ly:text-interface::print)
1050 (meta . ((class . Item)
1051 (interfaces . (note-name-interface
1053 font-interface))))))
1057 (self-alignment-X . 0)
1058 (break-visibility . ,begin-of-line-visible)
1059 (X-offset . ,(ly:make-simple-closure
1060 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self))
1061 ,(ly:make-simple-closure (list ly:self-alignment-interface::centered-on-x-parent)))))
1063 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1064 (stencil . ,ly:text-interface::print)
1066 ;; no Y dimensions, because of lyrics under tenor clef.
1067 (Y-extent . (0 . 0))
1068 (font-shape . italic)
1070 (staff-padding . 0.2)
1072 (meta . ((class . Item)
1073 (interfaces . (text-interface
1074 self-alignment-interface
1075 side-position-interface
1076 font-interface))))))
1080 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1081 (stencil . ,ly:ottava-bracket::print)
1082 (font-shape . italic)
1083 (shorten-pair . (0.0 . -0.6))
1084 (staff-padding . 1.0)
1086 (minimum-length . 1.0)
1087 (dash-fraction . 0.3)
1088 (edge-height . (0 . 1.2))
1090 (meta . ((class . Spanner)
1091 (interfaces . (ottava-bracket-interface
1092 horizontal-bracket-interface
1094 side-position-interface
1096 text-interface))))))
1101 (before-line-breaking . ,ly:paper-column::before-line-breaking)
1102 ;; (stencil . ,ly:paper-column::print)
1103 (X-extent . ,ly:axis-group-interface::width)
1106 ;; (font-size . -6) (font-name . "sans") (Y-extent . #f)
1107 (meta . ((class . Paper_column)
1108 (interfaces . (paper-column-interface
1109 axis-group-interface
1110 spaceable-grob-interface))))))
1113 . ((stencil . ,parentheses-item::print)
1116 (meta . ((class . Item)
1117 (interfaces . (parentheses-interface font-interface))))
1121 . ((details . ,default-slur-details)
1122 (control-points . ,ly:slur::calc-control-points)
1123 (direction . ,ly:slur::calc-direction)
1124 (springs-and-rods . ,ly:spanner::set-spacing-rods)
1125 (Y-extent . ,ly:slur::height)
1126 (stencil . ,ly:slur::print)
1128 (minimum-length . 1.5)
1129 (height-limit . 2.0)
1131 (meta . ((class . Spanner)
1132 (interfaces . (slur-interface))))))
1134 (NonMusicalPaperColumn
1137 (before-line-breaking . ,ly:paper-column::before-line-breaking)
1138 (X-extent . ,ly:axis-group-interface::width)
1139 ;; (stencil . ,ly:paper-column::print)
1142 (line-break-permission . allow)
1144 ;; debugging stuff: print column number.
1145 ;; (font-size . -6) (font-name . "sans") (Y-extent . #f)
1147 (meta . ((class . Paper_column)
1148 (interfaces . (paper-column-interface
1149 axis-group-interface
1150 spaceable-grob-interface))))))
1154 (springs-and-rods . ,ly:multi-measure-rest::set-spacing-rods)
1155 (stencil . ,ly:multi-measure-rest::percent)
1158 (font-encoding . fetaMusic)
1159 (meta . ((class . Spanner)
1160 (interfaces . (multi-measure-rest-interface
1162 percent-repeat-interface))))))
1163 (PercentRepeatCounter
1165 (stencil . ,ly:text-interface::print)
1166 (X-offset . ,(ly:make-simple-closure
1167 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-centered-on-y-parent))
1168 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self)))))
1169 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1170 (self-alignment-X . 0)
1173 (staff-padding . 0.25)
1175 (font-encoding . fetaNumber)
1176 (meta . ((class . Spanner)
1177 (interfaces . (side-position-interface
1178 self-alignment-interface
1179 percent-repeat-interface
1181 text-interface))))))
1183 ;; an example of a text spanner
1186 (stencil . ,ly:piano-pedal-bracket::print)
1188 (bound-padding . 1.0)
1190 (bracket-flare . (0.5 . 0.5))
1191 (edge-height . (1.0 . 1.0))
1192 (shorten-pair . (0.0 . 0.0))
1194 (meta . ((class . Spanner)
1195 (interfaces . (line-interface
1196 piano-pedal-interface
1197 piano-pedal-bracket-interface))))))
1201 (stencil . ,ly:text-interface::print)
1202 (X-offset . ,(ly:make-simple-closure
1204 ,(ly:make-simple-closure
1205 (list ly:break-alignment-align-interface::self-align-callback))
1206 ,(ly:make-simple-closure
1207 (list ly:self-alignment-interface::x-aligned-on-self)))))
1209 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1210 (self-alignment-X . 0)
1215 (break-visibility . ,end-of-line-invisible)
1216 (break-align-symbol . staff-bar)
1218 (meta . ((class . Item)
1219 (interfaces . (text-interface
1220 side-position-interface
1221 break-alignment-align-interface
1224 self-alignment-interface))))))
1229 (stencil . ,ly:percent-repeat-item-interface::beat-slash)
1232 (meta . ((class . Item)
1233 (interfaces . (percent-repeat-interface))))))
1236 (stencil . ,ly:tie::print)
1237 (control-points . ,ly:semi-tie::calc-control-points)
1238 (direction . ,ly:semi-tie::calc-direction)
1239 (details . ((ratio . 0.333)
1240 (height-limit . 1.0)))
1242 (meta . ((class . Item)
1243 (interfaces . (semi-tie-interface))
1251 (head-direction . ,RIGHT)
1252 (positioning-done . ,ly:semi-tie-column::calc-positioning-done)
1253 (meta . ((class . Item)
1254 (interfaces . (semi-tie-column-interface))
1260 (stencil . ,ly:rest::print)
1261 (X-extent . ,ly:rest::width)
1262 (Y-extent . ,ly:rest::height)
1263 (Y-offset . ,ly:rest::y-offset-callback)
1264 (minimum-distance . 0.25)
1265 (meta . ((class . Item)
1266 (interfaces . (font-interface
1267 rhythmic-head-interface
1268 rhythmic-grob-interface
1269 staff-symbol-referencer-interface
1270 rest-interface))))))
1274 (minimum-distance . 0.75)
1275 (positioning-done . ,ly:rest-collision::calc-positioning-done)
1276 (meta . ((class . Item)
1277 (interfaces . (rest-collision-interface))))))
1281 ;; don't set direction here: it breaks staccato.
1283 ;; This value is sensitive: if too large, staccato dots will move a
1286 (staff-padding . 0.25)
1287 ;; (script-priority . 0) priorities for scripts, see script.scm
1288 (X-offset . , ly:self-alignment-interface::centered-on-x-parent)
1291 (stencil . ,ly:script-interface::print)
1292 (direction . ,ly:script-interface::calc-direction)
1293 (font-encoding . fetaMusic)
1294 (meta . ((class . Item)
1295 (interfaces . (script-interface
1296 side-position-interface
1297 font-interface))))))
1301 (before-line-breaking . ,ly:script-column::before-line-breaking)
1302 (meta . ((class . Item)
1303 (interfaces . (script-column-interface))))))
1309 (meta . ((class . Item)
1310 (interfaces . (spacing-interface
1311 separation-item-interface))))))
1313 (SeparatingGroupSpanner
1315 (springs-and-rods . ,ly:separating-group-spanner::set-spacing-rods)
1316 (meta . ((class . Spanner)
1317 (interfaces . (only-prebreak-interface
1319 separation-spanner-interface))))))
1322 . ((details . ,default-slur-details)
1323 (control-points . ,ly:slur::calc-control-points)
1324 (direction . ,ly:slur::calc-direction)
1325 (springs-and-rods . ,ly:spanner::set-spacing-rods)
1326 (Y-extent . ,ly:slur::height)
1327 (stencil . ,ly:slur::print)
1329 (line-thickness . 0.8)
1330 (minimum-length . 1.5)
1331 (height-limit . 2.0)
1333 (avoid-slur . inside)
1334 (meta . ((class . Spanner)
1335 (interfaces . (slur-interface))))))
1339 (stencil . ,ly:text-interface::print)
1340 (direction . ,RIGHT)
1341 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1342 (no-spacing-rods . #t)
1343 (padding . 0.0) ;; padding relative to SostenutoPedalLineSpanner
1344 (font-shape . italic)
1345 (self-alignment-X . 0)
1346 (meta . ((class . Item)
1347 (interfaces . (text-interface
1348 self-alignment-interface
1349 font-interface))))))
1351 (SostenutoPedalLineSpanner
1354 (Y-extent . ,ly:axis-group-interface::height)
1355 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1357 (staff-padding . 1.0)
1359 (minimum-space . 1.0)
1361 (meta . ((class . Spanner)
1362 (interfaces . (piano-pedal-interface
1363 axis-group-interface
1364 side-position-interface))))))
1367 (springs-and-rods . ,ly:spacing-spanner::set-springs)
1368 (common-shortest-duration . ,ly:spacing-spanner::calc-common-shortest-duration)
1369 (average-spacing-wishes . #t)
1370 (grace-space-factor . 0.6)
1371 (shortest-duration-space . 2.0)
1372 (spacing-increment . 1.2)
1374 (base-shortest-duration . ,(ly:make-moment 3 16))
1375 (meta . ((class . Spanner)
1376 (interfaces . (spacing-interface
1377 spacing-options-interface
1378 spacing-spanner-interface))))))
1382 (break-align-symbol . staff-bar)
1386 (stencil . ,ly:span-bar::print)
1387 (bar-size . ,ly:span-bar::calc-bar-size)
1388 (X-extent . ,ly:span-bar::width)
1389 (glyph-name . ,ly:span-bar::calc-glyph-name)
1390 (before-line-breaking . ,ly:span-bar::before-line-breaking)
1395 ;; Ross. page 151 lists other values, we opt for a leaner look
1399 (hair-thickness . 1.6)
1400 (thick-thickness . 6.0)
1401 (meta . ((class . Item)
1402 (interfaces . (span-bar-interface
1404 bar-line-interface))))))
1408 (stencil . ,ly:text-interface::print)
1409 (font-series . bold)
1411 (X-offset . ,ly:side-position-interface::x-aligned-side)
1414 (meta . ((class . Item)
1415 (interfaces . (side-position-interface
1416 stanza-number-interface
1418 font-interface))))))
1424 (stem-spacing-correction . 0.4)
1425 (meta . ((class . Item)
1426 (interfaces . (spacing-interface
1427 staff-spacing-interface))))))
1432 (Y-extent . ,ly:staff-symbol::height)
1433 (stencil . ,ly:staff-symbol::print)
1435 (ledger-line-thickness . (1.0 . 0.1))
1437 (meta . ((class . Spanner)
1438 (interfaces . (staff-symbol-interface))))))
1442 (direction . ,ly:stem::calc-direction)
1443 (default-direction . ,ly:stem::calc-default-direction)
1444 (stem-end-position . ,ly:stem::calc-stem-end-position)
1445 (neutral-direction . ,DOWN)
1446 (stem-info . ,ly:stem::calc-stem-info)
1447 (positioning-done . ,ly:stem::calc-positioning-done)
1448 (stencil . ,ly:stem::print)
1449 (X-extent . ,ly:stem::width)
1450 (Y-extent . ,ly:stem::height)
1451 (length . ,ly:stem::calc-length)
1455 ;; 3.5 (or 3 measured from note head) is standard length
1456 ;; 32nd, 64th flagged stems should be longer
1457 (lengths . (3.5 3.5 3.5 4.5 5.0))
1459 ;; FIXME. 3.5 yields too long beams (according to Ross and
1460 ;; looking at Baerenreiter examples) for a number of common
1461 ;; boundary cases. Subtracting half a beam thickness fixes
1462 ;; this, but the bug may well be somewhere else.
1464 ;; FIXME this should come from 'lengths
1465 (beamed-lengths . (3.26 3.5 3.6))
1467 ;; The 'normal' minima
1468 (beamed-minimum-free-lengths . (1.83 1.5 1.25))
1469 ;(beamed-minimum-free-lengths . (2.0 1.83 1.25))
1471 ;; The 'extreme case' minima
1472 (beamed-extreme-minimum-free-lengths . (2.0 1.25))
1474 ;; Stems in unnatural (forced) direction should be shortened by
1475 ;; one staff space, according to [Roush & Gourlay].
1476 ;; Flagged stems we shorten only half a staff space.
1477 (stem-shorten . (1.0 0.5))
1481 ;; We use the normal minima as minimum for the ideal lengths,
1482 ;; and the extreme minima as abolute minimum length.
1484 (X-offset . ,ly:stem::offset-callback)
1485 (Y-offset . ,ly:staff-symbol-referencer::callback)
1486 (meta . ((class . Item)
1487 (interfaces . (stem-interface
1488 font-interface))))))
1492 (Y-extent . ,ly:stem-tremolo::height)
1493 (stencil . ,ly:stem-tremolo::print)
1495 (slope . ,ly:stem-tremolo::calc-slope)
1496 (beam-width . ,ly:stem-tremolo::calc-width) ; staff-space
1497 (style . ,ly:stem-tremolo::calc-style)
1498 (beam-thickness . 0.48) ; staff-space
1499 (meta . ((class . Item)
1500 (interfaces . (stem-tremolo-interface))))))
1504 (stencil . ,print-circled-text-callback)
1506 (staff-padding . 0.5)
1507 (self-alignment-X . 0)
1508 (self-alignment-Y . 0)
1509 (script-priority . 100)
1510 (font-encoding . fetaNumber)
1511 (font-size . -5) ; don't overlap when next to heads.
1512 (meta . ((class . Item)
1513 (interfaces . (string-number-interface
1515 text-script-interface
1517 side-position-interface
1518 self-alignment-interface
1519 item-interface))))))
1523 (no-spacing-rods . #t)
1524 (stencil . ,ly:sustain-pedal::print)
1525 (self-alignment-X . 0)
1526 (direction . ,RIGHT)
1527 (padding . 0.0) ;; padding relative to SustainPedalLineSpanner
1528 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1529 (meta . ((class . Item)
1530 (interfaces . (piano-pedal-interface
1531 text-spanner-interface
1532 line-spanner-interface
1534 self-alignment-interface
1535 font-interface))))))
1537 (SustainPedalLineSpanner
1540 (Y-extent . ,ly:axis-group-interface::height)
1541 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1544 (staff-padding . 1.2)
1545 (minimum-space . 1.0)
1547 (meta . ((class . Spanner)
1548 (interfaces . (piano-pedal-interface
1549 axis-group-interface
1550 side-position-interface))))))
1555 (X-extent . ,ly:axis-group-interface::width)
1556 (Y-extent . ,ly:axis-group-interface::height)
1557 (meta . ((class . System)
1558 (interfaces . (system-interface
1559 axis-group-interface))))))
1565 (stencil . ,ly:system-start-delimiter::print)
1566 (collapse-height . 5.0)
1567 (X-offset . ,ly:side-position-interface::x-aligned-side)
1569 (font-encoding . fetaBraces)
1571 (meta . ((class . Spanner)
1572 (interfaces . (system-start-delimiter-interface
1573 side-position-interface
1574 font-interface))))))
1580 (X-offset . ,ly:side-position-interface::x-aligned-side)
1582 (stencil . ,ly:system-start-delimiter::print)
1583 (style . line-bracket)
1585 (meta . ((class . Spanner)
1586 (interfaces . (font-interface
1587 side-position-interface
1588 system-start-delimiter-interface))))))
1593 (X-offset . ,ly:side-position-interface::x-aligned-side)
1595 (stencil . ,ly:system-start-delimiter::print)
1597 (collapse-height . 5.0)
1599 (meta . ((class . Spanner)
1600 (interfaces . (font-interface
1601 side-position-interface
1602 system-start-delimiter-interface))))))
1609 (padding . -0.1) ;; bar must cover rounded ending of staff line.
1610 (X-offset . ,ly:side-position-interface::x-aligned-side)
1614 (stencil . ,ly:system-start-delimiter::print)
1615 (meta . ((class . Spanner)
1616 (interfaces . (side-position-interface
1617 system-start-delimiter-interface))))))
1622 (stencil . ,ly:text-interface::print)
1623 (Y-offset . ,ly:staff-symbol-referencer::callback)
1625 (stem-attachment . (0.0 . 1.35))
1626 (font-series . bold)
1627 (meta . ((class . Item)
1629 . (rhythmic-head-interface
1630 font-interface rhythmic-grob-interface
1632 staff-symbol-referencer-interface
1633 text-interface))))))
1637 (no-spacing-rods . #t)
1638 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1641 ;; sync with Fingering ?
1643 (staff-padding . 0.5)
1645 (stencil . ,ly:text-interface::print)
1646 (direction . ,ly:script-interface::calc-direction)
1648 (avoid-slur . around)
1649 (slur-padding . 0.5)
1650 (script-priority . 200)
1651 ;; todo: add X self alignment?
1652 (meta . ((class . Item)
1653 (interfaces . (text-script-interface
1655 side-position-interface
1656 font-interface))))))
1660 (stencil . ,ly:text-spanner::print)
1661 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1662 (font-shape . italic)
1663 (style . dashed-line)
1664 (staff-padding . 0.8)
1665 (dash-fraction . 0.2)
1669 (meta . ((class . Spanner)
1670 (interfaces . (text-spanner-interface
1671 line-spanner-interface
1672 side-position-interface
1673 font-interface))))))
1677 (control-points . ,ly:tie::calc-control-points)
1678 (avoid-slur . inside)
1679 (direction . ,ly:tie::calc-direction)
1680 (stencil . ,ly:tie::print)
1683 ;; for a full list, see tie-helper.cc
1685 (center-staff-line-clearance . 0.6)
1686 (tip-staff-line-clearance . 0.45)
1687 (note-head-gap . 0.2)
1689 (height-limit . 1.0)
1690 (horizontal-distance-penalty-factor . 10)
1691 (min-length-penalty-factor . 20)
1692 (tie-tie-collision-distance . 0.45)
1693 (tie-tie-collision-penalty . 25.0)
1694 (intra-space-threshold . 1.25)
1695 (outer-tie-vertical-distance-symmetry-penalty-factor . 10)
1696 (outer-tie-length-symmetry-penalty-factor . 10)
1697 (outer-tie-vertical-gap . 0.25)
1698 (multi-tie-region-size . 1)
1699 (between-length-limit . 1.0)))
1701 (line-thickness . 0.8)
1702 (meta . ((class . Spanner)
1703 (interfaces . (tie-interface))))
1708 (positioning-done . ,ly:tie-column::calc-positioning-done)
1709 (before-line-breaking . ,ly:tie-column::before-line-breaking)
1712 (meta . ((class . Spanner)
1713 (interfaces . (tie-column-interface))))))
1717 (stencil . ,ly:time-signature::print)
1718 (break-align-symbol . time-signature)
1719 (break-visibility . ,all-visible)
1721 (first-note . (fixed-space . 2.0))
1722 (right-edge . (extra-space . 0.5))
1723 (staff-bar . (minimum-space . 2.0))))
1726 (meta . ((class . Item)
1727 (interfaces . (time-signature-interface
1728 break-aligned-interface
1729 font-interface))))))
1733 (stencil . ,ly:dynamic-text-spanner::print)
1734 (edge-text . ,(cons (make-musicglyph-markup "scripts.trill")
1737 (staff-padding . 1.0)
1740 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1742 (meta . ((class . Spanner)
1743 (interfaces . (text-spanner-interface
1744 line-spanner-interface
1745 side-position-interface
1746 font-interface))))))
1748 (TrillPitchAccidental
1749 . ((X-offset . ,ly:side-position-interface::x-aligned-side)
1754 (stencil . ,ly:accidental-interface::print)
1755 (meta . ((class . Item)
1756 (interfaces . (item-interface
1757 accidental-interface
1758 side-position-interface
1759 font-interface))))))
1762 . ((X-offset . ,ly:side-position-interface::x-aligned-side)
1765 (stencil . ,parenthesize-elements)
1766 (direction . ,RIGHT)
1769 (meta . ((class . Item)
1770 (interfaces . (side-position-interface
1772 rhythmic-head-interface
1774 accidental-interface
1775 axis-group-interface))))))
1779 (stencil . ,ly:note-head::print)
1781 (Y-offset . ,ly:staff-symbol-referencer::callback)
1783 (meta . ((class . Item)
1784 (interfaces . (item-interface
1785 rhythmic-head-interface
1787 pitched-trill-interface
1789 staff-symbol-referencer-interface))))))
1795 (edge-height . (0.7 . 0.7))
1796 (shorten-pair . (-0.2 . -0.2))
1797 (staff-padding . 0.25)
1798 (direction . ,ly:tuplet-bracket::calc-direction)
1799 (positions . ,ly:tuplet-bracket::calc-positions)
1800 (connect-to-neighbor . ,ly:tuplet-bracket::calc-connect-to-neighbors)
1801 (control-points . ,ly:tuplet-bracket::calc-control-points)
1802 (stencil . ,ly:tuplet-bracket::print)
1804 (meta . ((class . Spanner)
1805 (interfaces . (line-interface
1806 tuplet-bracket-interface))))))
1810 (stencil . ,ly:tuplet-number::print)
1811 (text . ,tuplet-number::calc-denominator-text)
1812 (font-shape . italic)
1814 (avoid-slur . inside)
1815 (meta . ((class . Spanner)
1816 (interfaces . (text-interface tuplet-number-interface
1817 font-interface))))))
1821 (stencil . ,ly:text-interface::print)
1822 (font-shape . italic)
1823 (no-spacing-rods . #t)
1824 (self-alignment-X . 0)
1825 (direction . ,RIGHT)
1826 (padding . 0.0) ;; padding relative to UnaCordaPedalLineSpanner
1827 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1828 (meta . ((class . Item)
1829 (interfaces . (text-interface
1830 self-alignment-interface
1831 font-interface))))))
1833 (UnaCordaPedalLineSpanner
1836 (Y-extent . ,ly:axis-group-interface::height)
1837 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1840 (staff-padding . 1.2)
1841 (minimum-space . 1.0)
1843 (meta . ((class . Spanner)
1844 (interfaces . (piano-pedal-interface
1845 axis-group-interface
1846 side-position-interface))))))
1852 (stencil . ,ly:vaticana-ligature::print)
1853 (meta . ((class . Spanner)
1854 (interfaces . (vaticana-ligature-interface
1855 font-interface))))))
1860 (positioning-done . ,ly:align-interface::calc-positioning-done)
1861 (after-line-breaking . ,ly:align-interface::stretch-after-break)
1862 (Y-extent . ,ly:axis-group-interface::height)
1863 (X-extent . ,ly:axis-group-interface::width)
1865 (meta . ((class . Spanner)
1866 (interfaces . (align-interface
1867 axis-group-interface))))))
1871 (Y-offset . ,ly:hara-kiri-group-spanner::force-hara-kiri-callback)
1873 (Y-extent . ,ly:hara-kiri-group-spanner::y-extent)
1874 (X-extent . ,ly:axis-group-interface::width)
1875 (meta . ((class . Spanner)
1876 (interfaces . (axis-group-interface
1877 hara-kiri-group-interface
1878 vertically-spaceable-interface))))))
1883 (stencil . ,ly:volta-bracket-interface::print)
1886 (font-encoding . fetaNumber)
1887 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1889 (thickness . 1.6) ;; line-thickness
1890 (edge-height . (2.0 . 2.0)) ;; staff-space;
1893 (meta . ((class . Spanner)
1894 (interfaces . (volta-bracket-interface
1895 horizontal-bracket-interface
1898 side-position-interface
1910 (stencil . ,ly:line-spanner::print)
1911 (after-line-breaking . ,ly:line-spanner::after-line-breaking)
1912 (meta . ((class . Spanner)
1913 (interfaces . (line-spanner-interface
1919 (define (completize-grob-entry x)
1920 "Transplant assoc key into 'name entry of 'meta of X. Set interfaces for Item, Spanner etc.
1922 ;; (display (car x))
1924 (let* ((name-sym (car x))
1925 (grob-entry (cdr x))
1926 (meta-entry (cdr (assoc 'meta grob-entry)))
1927 (class (cdr (assoc 'class meta-entry)))
1929 (cdr (assoc 'interfaces meta-entry))))
1933 (set! ifaces-entry (cons 'item-interface ifaces-entry)))
1934 ((eq? 'Spanner class)
1935 (set! ifaces-entry (cons 'spanner-interface ifaces-entry)))
1936 ((eq? 'Paper_column class)
1937 (set! ifaces-entry (cons 'item-interface
1938 (cons 'paper-column-interface ifaces-entry))))
1939 ((eq? 'System class)
1940 (set! ifaces-entry (cons 'system-interface
1941 (cons 'spanner-interface ifaces-entry))))
1943 (ly:warning "Unknown class ~a" class)))
1944 (set! ifaces-entry (cons 'grob-interface ifaces-entry))
1946 (set! meta-entry (assoc-set! meta-entry 'name name-sym))
1947 (set! meta-entry (assoc-set! meta-entry 'interfaces
1949 (set! grob-entry (assoc-set! grob-entry 'meta meta-entry))
1950 (cons name-sym grob-entry)))
1952 (set! all-grob-descriptions (map completize-grob-entry all-grob-descriptions))
1954 ;; (display (map pair? all-grob-descriptions))
1956 ;; make sure that \property Foo.Bar =\turnOff doesn't complain
1959 ;; (display (car x)) (newline)
1961 (set-object-property! (car x) 'translation-type? list?)
1962 (set-object-property! (car x) 'is-grob? #t))
1963 all-grob-descriptions)
1965 (set! all-grob-descriptions (sort all-grob-descriptions alist<?))
1968 (define pure-print-callbacks
1970 `(,ly:note-head::print . '())
1971 `(,ly:clef::print . '())
1972 `(,ly:text-interface::print . '())))
1974 ;; ly:grob::stencil-extent is safe iff the print callback is safe too
1975 (define (pure-stencil-height grob start stop)
1976 (let ((sten (ly:grob-property-data grob 'stencil)))
1979 (pair? (assq sten pure-print-callbacks)))
1980 (ly:grob::stencil-height grob)
1983 (define pure-Y-extents
1985 `(,ly:staff-symbol::height . ())))
1987 (define Y-extent-conversions
1989 `(,ly:stem::height . ,ly:stem::pure-height)
1990 `(,ly:grob::stencil-height . ,pure-stencil-height)
1991 `(,ly:side-position-interface::y-aligned-side . ,ly:side-position-interface::pure-y-aligned-side)
1992 `(,ly:axis-group-interface::height . ,ly:axis-group-interface::pure-height)
1993 `(,ly:hara-kiri-group-spanner::y-extent . ,ly:hara-kiri-group-spanner::pure-height)))
1995 (define pure-Y-offsets
1997 `(,ly:staff-symbol-referencer::callback . ())))
1999 (define Y-offset-conversions
2001 `(,ly:side-position-interface::y-aligned-side . ,ly:side-position-interface::pure-y-aligned-side)))
2003 (define-public (pure-relevant grob)
2004 (let ((extent-callback (ly:grob-property-data grob 'Y-extent)))
2006 (pair? (assq extent-callback pure-Y-extents))
2008 (pair? (assq extent-callback Y-extent-conversions))
2010 (not (eq? extent-callback ly:grob::stencil-height))
2011 (pair? (assq (ly:grob-property-data grob 'stencil) pure-print-callbacks))
2012 (ly:stencil? (ly:grob-property-data grob 'stencil)))))))
2014 (define (pure-conversion pures conversions defsymbol defreturn rettype? grob start stop)
2015 (let* ((normal-callback (ly:grob-property-data grob defsymbol))
2016 (pure-callback (assq normal-callback conversions)))
2017 (if (rettype? normal-callback)
2019 (if (pair? (assq normal-callback pures))
2020 (normal-callback grob)
2021 (if (pair? pure-callback)
2022 ((cdr pure-callback) grob start stop)
2025 (define-public (pure-Y-extent grob start stop)
2026 (pure-conversion pure-Y-extents Y-extent-conversions
2027 'Y-extent '(0 . 0) pair? grob start stop))
2029 (define-public (pure-Y-offset grob start stop)
2030 (pure-conversion pure-Y-offsets Y-offset-conversions
2031 'Y-offset 0 number? grob start stop))