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))))))
659 (meta . ((class . Item)
660 (interfaces . (grid-point-interface))))))
664 (X-extent . ,ly:grid-line-interface::width)
665 (stencil . ,ly:grid-line-interface::print)
666 (self-alignment-X . ,CENTER)
667 (X-offset . ,(ly:make-simple-closure
668 `(,+ ,(ly:make-simple-closure
669 (list ly:self-alignment-interface::centered-on-x-parent))
670 ,(ly:make-simple-closure
671 (list ly:self-alignment-interface::x-aligned-on-self)))))
673 (meta . ((class . Item)
674 (interfaces . (self-alignment-interface
675 grid-line-interface))))))
679 (stencil . ,ly:hairpin::print)
680 (springs-and-rods . ,ly:spanner::set-spacing-rods)
681 (after-line-breaking . ,ly:hairpin::after-line-breaking)
685 (minimum-length . 2.0)
686 (bound-padding . 1.0)
687 (self-alignment-Y . 0)
688 (Y-offset . ,ly:self-alignment-interface::y-aligned-on-self)
689 (meta . ((class . Spanner)
690 (interfaces . (hairpin-interface
692 self-alignment-interface
694 spanner-interface))))))
699 (stencil . ,ly:horizontal-bracket::print)
700 (Y-offset . ,ly:side-position-interface::y-aligned-side)
702 (staff-padding . 0.2)
705 (bracket-flare . (0.5 . 0.5))
706 (meta . ((class . Spanner)
707 (interfaces . (horizontal-bracket-interface
708 side-position-interface
710 spanner-interface))))))
714 (stencil . ,ly:system-start-text::print)
715 (X-offset . ,ly:side-position-interface::x-aligned-side)
717 (self-alignment-Y . ,CENTER)
718 (meta . ((class . Spanner)
719 (interfaces . (system-start-text-interface
720 side-position-interface
725 (stencil . ,ly:key-signature-interface::print)
727 (time-signature . (extra-space . 1.25))
728 (staff-bar . (extra-space . 0.6))
729 (key-signature . (extra-space . 0.5))
730 (right-edge . (extra-space . 0.5))
731 (first-note . (fixed-space . 2.5))))
732 (Y-offset . ,ly:staff-symbol-referencer::callback)
733 (break-align-symbol . key-cancellation)
734 (break-visibility . ,begin-of-line-invisible)
736 (meta . ((class . Item)
737 (interfaces . (key-signature-interface
739 break-aligned-interface))))))
742 (stencil . ,ly:key-signature-interface::print)
744 (time-signature . (extra-space . 1.15))
745 (staff-bar . (extra-space . 1.1))
746 (right-edge . (extra-space . 0.5))
747 (first-note . (fixed-space . 2.5))))
748 (Y-offset . ,ly:staff-symbol-referencer::callback)
749 (break-align-symbol . key-signature)
750 (break-visibility . ,begin-of-line-visible)
752 (meta . ((class . Item)
753 (interfaces . (key-signature-interface
755 break-aligned-interface))))))
760 (stencil . ,ly:tie::print)
761 (control-points . ,ly:semi-tie::calc-control-points)
762 (direction . ,ly:semi-tie::calc-direction)
763 (details . ((ratio . 0.333)
764 (height-limit . 1.0)))
766 (meta . ((class . Item)
767 (interfaces . (semi-tie-interface))
771 (LaissezVibrerTieColumn
775 (head-direction . ,LEFT)
776 (positioning-done . ,ly:semi-tie-column::calc-positioning-done)
777 (meta . ((class . Item)
778 (interfaces . (semi-tie-column-interface))
784 (springs-and-rods . ,ly:ledger-line-spanner::set-spacing-rods)
785 (stencil . ,ly:ledger-line-spanner::print)
788 (minimum-length-fraction . 0.25)
789 (length-fraction . 0.25)
791 (meta . ((class . Spanner)
792 (interfaces . (ledger-line-interface))))))
796 (break-align-symbol . left-edge)
799 (break-visibility . ,center-invisible)
801 (custos . (extra-space . 0.0))
802 (ambitus . (extra-space . 2.0))
803 (time-signature . (extra-space . 1.0))
804 (staff-bar . (extra-space . 0.0))
805 (breathing-sign . (minimum-space . 0.0))
806 (clef . (extra-space . 0.8))
807 (first-note . (fixed-space . 2.0))
808 (right-edge . (extra-space . 0.0))
809 (key-signature . (extra-space . 0.0))
810 (key-cancellation . (extra-space . 0.0))
812 (meta . ((class . Item)
813 (interfaces . (break-aligned-interface))))))
817 ;; ugh. A ligature bracket is totally different from
822 (edge-height . (0.7 . 0.7))
823 (shorten-pair . (-0.2 . -0.2))
825 (positions . ,ly:tuplet-bracket::calc-positions)
826 (stencil . ,ly:tuplet-bracket::print)
827 (staff-padding . 0.25)
828 (connect-to-neighbor . ,ly:tuplet-bracket::calc-connect-to-neighbors)
829 (control-points . ,ly:tuplet-bracket::calc-control-points)
830 (meta . ((class . Spanner)
831 (interfaces . (line-interface
832 tuplet-bracket-interface))))))
837 (stencil . ,ly:lyric-extender::print)
838 (thickness . 0.8) ; line-thickness
839 (minimum-length . 1.5)
841 (meta . ((class . Spanner)
842 (interfaces . (lyric-interface
843 lyric-extender-interface))))))
851 (minimum-length . 0.3)
852 (minimum-distance . 0.1)
854 (springs-and-rods . ,ly:hyphen-spanner::set-spacing-rods)
855 (stencil . ,ly:hyphen-spanner::print)
857 (meta . ((class . Spanner)
858 (interfaces . (lyric-interface
860 lyric-hyphen-interface
861 spanner-interface))))))
864 . ((minimum-distance . 0.45)
865 (springs-and-rods . ,ly:hyphen-spanner::set-spacing-rods)
869 (meta . ((class . Spanner)
870 (interfaces . (spanner-interface
871 lyric-hyphen-interface spacing-interface))
876 (stencil . ,ly:text-interface::print)
877 (X-offset . ,ly:self-alignment-interface::aligned-on-x-parent)
878 (self-alignment-X . 0)
880 (font-series . bold-narrow)
882 (meta . ((class . Item)
883 (interfaces . (rhythmic-grob-interface
884 lyric-syllable-interface
885 self-alignment-interface
892 (Y-offset . ,ly:side-position-interface::y-aligned-side)
894 (stencil . ,ly:measure-grouping::print)
900 (meta . ((class . Spanner)
901 (interfaces . (side-position-interface
902 measure-grouping-interface))))))
906 (neutral-direction . ,DOWN)
907 (meta . ((class . Item)
908 (interfaces . (melody-spanner-interface spacing-interface))))))
913 (stencil . ,ly:mensural-ligature::print)
914 (meta . ((class . Spanner)
915 (interfaces . (mensural-ligature-interface
920 (stencil . ,ly:text-interface::print)
921 (Y-offset . ,ly:side-position-interface::y-aligned-side)
925 (meta . ((class . Item)
926 (interfaces . (text-interface
927 side-position-interface
929 metronome-mark-interface))))))
934 (stencil . ,ly:multi-measure-rest::print)
935 (springs-and-rods . ,ly:multi-measure-rest::set-spacing-rods)
936 (Y-offset . ,ly:staff-symbol-referencer::callback)
939 (thick-thickness . 6.6)
940 (hair-thickness . 2.0)
942 (meta . ((class . Spanner)
943 (interfaces . (multi-measure-rest-interface
944 multi-measure-interface
947 staff-symbol-referencer-interface))))))
950 (MultiMeasureRestNumber
952 (bound-padding . 2.0)
953 (springs-and-rods . ,ly:multi-measure-rest::set-text-rods)
954 (stencil . ,ly:text-interface::print)
955 (X-offset . ,(ly:make-simple-closure
956 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self))
957 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-centered-on-y-parent)))))
958 (Y-offset . ,ly:side-position-interface::y-aligned-side)
960 (self-alignment-X . 0)
963 (staff-padding . 0.4)
964 (font-encoding . fetaNumber)
965 (meta . ((class . Spanner)
966 (interfaces . (side-position-interface
967 multi-measure-interface
968 self-alignment-interface
973 (MultiMeasureRestText
975 (stencil . ,ly:text-interface::print)
976 (X-offset . ,(ly:make-simple-closure
977 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-centered-on-y-parent))
978 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self)))))
980 (Y-offset . ,ly:side-position-interface::y-aligned-side)
981 (self-alignment-X . 0)
984 (staff-padding . 0.25)
985 (meta . ((class . Spanner)
986 (interfaces . (side-position-interface
987 multi-measure-interface
988 self-alignment-interface
995 (X-extent . ,ly:axis-group-interface::width)
996 (Y-extent . ,ly:axis-group-interface::height)
997 (positioning-done . ,ly:note-collision-interface::calc-positioning-done)
998 (meta . ((class . Item)
999 (interfaces . (note-collision-interface
1000 axis-group-interface))))))
1005 (X-extent . ,ly:axis-group-interface::width)
1006 (Y-extent . ,ly:axis-group-interface::height)
1007 (meta . ((class . Item)
1008 (interfaces . (axis-group-interface
1009 note-column-interface))))))
1013 (stencil . ,ly:note-head::print)
1014 (stem-attachment . ,ly:note-head::calc-stem-attachment)
1015 (glyph-name . ,note-head::calc-glyph-name)
1016 (Y-offset . ,ly:staff-symbol-referencer::callback)
1017 (X-offset . ,ly:note-head::stem-x-shift)
1018 (meta . ((class . Item)
1019 (interfaces . (rhythmic-grob-interface
1020 rhythmic-head-interface
1024 staff-symbol-referencer-interface))))))
1028 (stem-spacing-correction . 0.5)
1029 (same-direction-correction . 0.25)
1030 ;; Changed this from 0.75.
1031 ;; If you ever change this back, please document! --hwn
1032 (knee-spacing-correction . 1.0)
1033 (meta . ((class . Item)
1034 (interfaces . (spacing-interface
1035 note-spacing-interface))))))
1039 (stencil . ,ly:text-interface::print)
1040 (meta . ((class . Item)
1041 (interfaces . (note-name-interface
1043 font-interface))))))
1047 (self-alignment-X . 0)
1048 (break-visibility . ,begin-of-line-visible)
1049 (X-offset . ,(ly:make-simple-closure
1050 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self))
1051 ,(ly:make-simple-closure (list ly:self-alignment-interface::centered-on-x-parent)))))
1053 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1054 (stencil . ,ly:text-interface::print)
1056 ;; no Y dimensions, because of lyrics under tenor clef.
1057 (Y-extent . (0 . 0))
1058 (font-shape . italic)
1060 (staff-padding . 0.2)
1062 (meta . ((class . Item)
1063 (interfaces . (text-interface
1064 self-alignment-interface
1065 side-position-interface
1066 font-interface))))))
1070 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1071 (stencil . ,ly:ottava-bracket::print)
1072 (font-shape . italic)
1073 (shorten-pair . (0.0 . -0.6))
1074 (staff-padding . 1.0)
1076 (minimum-length . 1.0)
1077 (dash-fraction . 0.3)
1078 (edge-height . (0 . 1.2))
1080 (meta . ((class . Spanner)
1081 (interfaces . (ottava-bracket-interface
1082 horizontal-bracket-interface
1084 side-position-interface
1086 text-interface))))))
1091 (before-line-breaking . ,ly:paper-column::before-line-breaking)
1092 ;; (stencil . ,ly:paper-column::print)
1093 (X-extent . ,ly:axis-group-interface::width)
1096 ;; (font-size . -6) (font-name . "sans") (Y-extent . #f)
1097 (meta . ((class . Paper_column)
1098 (interfaces . (paper-column-interface
1099 axis-group-interface
1100 spaceable-grob-interface))))))
1103 . ((stencil . ,parentheses-item::print)
1106 (meta . ((class . Item)
1107 (interfaces . (parentheses-interface font-interface))))
1111 . ((details . ,default-slur-details)
1112 (control-points . ,ly:slur::calc-control-points)
1113 (direction . ,ly:slur::calc-direction)
1114 (springs-and-rods . ,ly:spanner::set-spacing-rods)
1115 (Y-extent . ,ly:slur::height)
1116 (stencil . ,ly:slur::print)
1118 (minimum-length . 1.5)
1119 (height-limit . 2.0)
1121 (meta . ((class . Spanner)
1122 (interfaces . (slur-interface))))))
1124 (NonMusicalPaperColumn
1127 (before-line-breaking . ,ly:paper-column::before-line-breaking)
1128 (X-extent . ,ly:axis-group-interface::width)
1129 ;; (stencil . ,ly:paper-column::print)
1132 (line-break-permission . allow)
1134 ;; debugging stuff: print column number.
1135 ;; (font-size . -6) (font-name . "sans") (Y-extent . #f)
1137 (meta . ((class . Paper_column)
1138 (interfaces . (paper-column-interface
1139 axis-group-interface
1140 spaceable-grob-interface))))))
1144 (springs-and-rods . ,ly:multi-measure-rest::set-spacing-rods)
1145 (stencil . ,ly:multi-measure-rest::percent)
1148 (font-encoding . fetaMusic)
1149 (meta . ((class . Spanner)
1150 (interfaces . (multi-measure-rest-interface
1152 percent-repeat-interface))))))
1153 (PercentRepeatCounter
1155 (stencil . ,ly:text-interface::print)
1156 (X-offset . ,(ly:make-simple-closure
1157 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-centered-on-y-parent))
1158 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self)))))
1159 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1160 (self-alignment-X . 0)
1163 (staff-padding . 0.25)
1165 (font-encoding . fetaNumber)
1166 (meta . ((class . Spanner)
1167 (interfaces . (side-position-interface
1168 self-alignment-interface
1169 percent-repeat-interface
1171 text-interface))))))
1173 ;; an example of a text spanner
1176 (stencil . ,ly:piano-pedal-bracket::print)
1178 (bound-padding . 1.0)
1180 (bracket-flare . (0.5 . 0.5))
1181 (edge-height . (1.0 . 1.0))
1182 (shorten-pair . (0.0 . 0.0))
1184 (meta . ((class . Spanner)
1185 (interfaces . (line-interface
1186 piano-pedal-interface
1187 piano-pedal-bracket-interface))))))
1191 (stencil . ,ly:text-interface::print)
1192 (X-offset . ,(ly:make-simple-closure
1194 ,(ly:make-simple-closure
1195 (list ly:break-alignment-align-interface::self-align-callback))
1196 ,(ly:make-simple-closure
1197 (list ly:self-alignment-interface::x-aligned-on-self)))))
1199 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1200 (self-alignment-X . 0)
1205 (break-visibility . ,end-of-line-invisible)
1206 (break-align-symbol . staff-bar)
1208 (meta . ((class . Item)
1209 (interfaces . (text-interface
1210 side-position-interface
1211 break-alignment-align-interface
1214 self-alignment-interface))))))
1219 (stencil . ,ly:percent-repeat-item-interface::beat-slash)
1222 (meta . ((class . Item)
1223 (interfaces . (percent-repeat-interface))))))
1226 (stencil . ,ly:tie::print)
1227 (control-points . ,ly:semi-tie::calc-control-points)
1228 (direction . ,ly:semi-tie::calc-direction)
1229 (details . ((ratio . 0.333)
1230 (height-limit . 1.0)))
1232 (meta . ((class . Item)
1233 (interfaces . (semi-tie-interface))
1241 (head-direction . ,RIGHT)
1242 (positioning-done . ,ly:semi-tie-column::calc-positioning-done)
1243 (meta . ((class . Item)
1244 (interfaces . (semi-tie-column-interface))
1250 (stencil . ,ly:rest::print)
1251 (X-extent . ,ly:rest::width)
1252 (Y-extent . ,ly:rest::height)
1253 (Y-offset . ,ly:rest::y-offset-callback)
1254 (minimum-distance . 0.25)
1255 (meta . ((class . Item)
1256 (interfaces . (font-interface
1257 rhythmic-head-interface
1258 rhythmic-grob-interface
1259 staff-symbol-referencer-interface
1260 rest-interface))))))
1264 (minimum-distance . 0.75)
1265 (positioning-done . ,ly:rest-collision::calc-positioning-done)
1266 (meta . ((class . Item)
1267 (interfaces . (rest-collision-interface))))))
1271 ;; don't set direction here: it breaks staccato.
1273 ;; This value is sensitive: if too large, staccato dots will move a
1276 (staff-padding . 0.25)
1277 ;; (script-priority . 0) priorities for scripts, see script.scm
1278 (X-offset . , ly:self-alignment-interface::centered-on-x-parent)
1281 (stencil . ,ly:script-interface::print)
1282 (direction . ,ly:script-interface::calc-direction)
1283 (font-encoding . fetaMusic)
1284 (meta . ((class . Item)
1285 (interfaces . (script-interface
1286 side-position-interface
1287 font-interface))))))
1291 (before-line-breaking . ,ly:script-column::before-line-breaking)
1292 (meta . ((class . Item)
1293 (interfaces . (script-column-interface))))))
1299 (meta . ((class . Item)
1300 (interfaces . (spacing-interface
1301 separation-item-interface))))))
1303 (SeparatingGroupSpanner
1305 (springs-and-rods . ,ly:separating-group-spanner::set-spacing-rods)
1306 (meta . ((class . Spanner)
1307 (interfaces . (only-prebreak-interface
1309 separation-spanner-interface))))))
1312 . ((details . ,default-slur-details)
1313 (control-points . ,ly:slur::calc-control-points)
1314 (direction . ,ly:slur::calc-direction)
1315 (springs-and-rods . ,ly:spanner::set-spacing-rods)
1316 (Y-extent . ,ly:slur::height)
1317 (stencil . ,ly:slur::print)
1319 (line-thickness . 0.8)
1320 (minimum-length . 1.5)
1321 (height-limit . 2.0)
1323 (avoid-slur . inside)
1324 (meta . ((class . Spanner)
1325 (interfaces . (slur-interface))))))
1329 (stencil . ,ly:text-interface::print)
1330 (direction . ,RIGHT)
1331 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1332 (no-spacing-rods . #t)
1333 (padding . 0.0) ;; padding relative to SostenutoPedalLineSpanner
1334 (font-shape . italic)
1335 (self-alignment-X . 0)
1336 (meta . ((class . Item)
1337 (interfaces . (text-interface
1338 self-alignment-interface
1339 font-interface))))))
1341 (SostenutoPedalLineSpanner
1344 (Y-extent . ,ly:axis-group-interface::height)
1345 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1347 (staff-padding . 1.0)
1349 (minimum-space . 1.0)
1351 (meta . ((class . Spanner)
1352 (interfaces . (piano-pedal-interface
1353 axis-group-interface
1354 side-position-interface))))))
1357 (springs-and-rods . ,ly:spacing-spanner::set-springs)
1358 (average-spacing-wishes . #t)
1359 (grace-space-factor . 0.6)
1360 (shortest-duration-space . 2.0)
1361 (spacing-increment . 1.2)
1362 (base-shortest-duration . ,(ly:make-moment 3 16))
1363 (meta . ((class . Spanner)
1364 (interfaces . (spacing-interface
1365 spacing-spanner-interface))))))
1369 (break-align-symbol . staff-bar)
1373 (stencil . ,ly:span-bar::print)
1374 (bar-size . ,ly:span-bar::calc-bar-size)
1375 (X-extent . ,ly:span-bar::width)
1376 (glyph-name . ,ly:span-bar::calc-glyph-name)
1377 (before-line-breaking . ,ly:span-bar::before-line-breaking)
1382 ;; Ross. page 151 lists other values, we opt for a leaner look
1386 (hair-thickness . 1.6)
1387 (thick-thickness . 6.0)
1388 (meta . ((class . Item)
1389 (interfaces . (span-bar-interface
1391 bar-line-interface))))))
1395 (stencil . ,ly:text-interface::print)
1396 (font-series . bold)
1398 (X-offset . ,ly:side-position-interface::x-aligned-side)
1401 (meta . ((class . Item)
1402 (interfaces . (side-position-interface
1403 stanza-number-interface
1405 font-interface))))))
1411 (stem-spacing-correction . 0.4)
1412 (meta . ((class . Item)
1413 (interfaces . (spacing-interface
1414 staff-spacing-interface))))))
1419 (Y-extent . ,ly:staff-symbol::height)
1420 (stencil . ,ly:staff-symbol::print)
1422 (ledger-line-thickness . (1.0 . 0.1))
1424 (meta . ((class . Spanner)
1425 (interfaces . (staff-symbol-interface))))))
1429 (direction . ,ly:stem::calc-direction)
1430 (default-direction . ,ly:stem::calc-default-direction)
1431 (stem-end-position . ,ly:stem::calc-stem-end-position)
1432 (neutral-direction . ,DOWN)
1433 (stem-info . ,ly:stem::calc-stem-info)
1434 (positioning-done . ,ly:stem::calc-positioning-done)
1435 (stencil . ,ly:stem::print)
1436 (X-extent . ,ly:stem::width)
1437 (Y-extent . ,ly:stem::height)
1438 (length . ,ly:stem::calc-length)
1442 ;; 3.5 (or 3 measured from note head) is standard length
1443 ;; 32nd, 64th flagged stems should be longer
1444 (lengths . (3.5 3.5 3.5 4.5 5.0))
1446 ;; FIXME. 3.5 yields too long beams (according to Ross and
1447 ;; looking at Baerenreiter examples) for a number of common
1448 ;; boundary cases. Subtracting half a beam thickness fixes
1449 ;; this, but the bug may well be somewhere else.
1451 ;; FIXME this should come from 'lengths
1452 (beamed-lengths . (3.26 3.5 3.6))
1454 ;; The 'normal' minima
1455 (beamed-minimum-free-lengths . (1.83 1.5 1.25))
1456 ;(beamed-minimum-free-lengths . (2.0 1.83 1.25))
1458 ;; The 'extreme case' minima
1459 (beamed-extreme-minimum-free-lengths . (2.0 1.25))
1461 ;; Stems in unnatural (forced) direction should be shortened by
1462 ;; one staff space, according to [Roush & Gourlay].
1463 ;; Flagged stems we shorten only half a staff space.
1464 (stem-shorten . (1.0 0.5))
1468 ;; We use the normal minima as minimum for the ideal lengths,
1469 ;; and the extreme minima as abolute minimum length.
1471 (X-offset . ,ly:stem::offset-callback)
1472 (Y-offset . ,ly:staff-symbol-referencer::callback)
1473 (meta . ((class . Item)
1474 (interfaces . (stem-interface
1475 font-interface))))))
1479 (Y-extent . ,ly:stem-tremolo::height)
1480 (stencil . ,ly:stem-tremolo::print)
1482 (slope . ,ly:stem-tremolo::calc-slope)
1483 (beam-width . ,ly:stem-tremolo::calc-width) ; staff-space
1484 (style . ,ly:stem-tremolo::calc-style)
1485 (beam-thickness . 0.48) ; staff-space
1486 (meta . ((class . Item)
1487 (interfaces . (stem-tremolo-interface))))))
1491 (stencil . ,print-circled-text-callback)
1493 (staff-padding . 0.5)
1494 (self-alignment-X . 0)
1495 (self-alignment-Y . 0)
1496 (script-priority . 100)
1497 (font-encoding . fetaNumber)
1498 (font-size . -5) ; don't overlap when next to heads.
1499 (meta . ((class . Item)
1500 (interfaces . (string-number-interface
1502 text-script-interface
1504 side-position-interface
1505 self-alignment-interface
1506 item-interface))))))
1510 (no-spacing-rods . #t)
1511 (stencil . ,ly:sustain-pedal::print)
1512 (self-alignment-X . 0)
1513 (direction . ,RIGHT)
1514 (padding . 0.0) ;; padding relative to SustainPedalLineSpanner
1515 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1516 (meta . ((class . Item)
1517 (interfaces . (piano-pedal-interface
1518 text-spanner-interface
1519 line-spanner-interface
1521 self-alignment-interface
1522 font-interface))))))
1524 (SustainPedalLineSpanner
1527 (Y-extent . ,ly:axis-group-interface::height)
1528 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1531 (staff-padding . 1.2)
1532 (minimum-space . 1.0)
1534 (meta . ((class . Spanner)
1535 (interfaces . (piano-pedal-interface
1536 axis-group-interface
1537 side-position-interface))))))
1542 (X-extent . ,ly:axis-group-interface::width)
1543 (Y-extent . ,ly:axis-group-interface::height)
1544 (meta . ((class . System)
1545 (interfaces . (system-interface
1546 axis-group-interface))))))
1552 (stencil . ,ly:system-start-delimiter::print)
1553 (collapse-height . 5.0)
1554 (X-offset . ,ly:side-position-interface::x-aligned-side)
1556 (font-encoding . fetaBraces)
1558 (meta . ((class . Spanner)
1559 (interfaces . (system-start-delimiter-interface
1560 side-position-interface
1561 font-interface))))))
1567 (X-offset . ,ly:side-position-interface::x-aligned-side)
1569 (stencil . ,ly:system-start-delimiter::print)
1570 (style . line-bracket)
1572 (meta . ((class . Spanner)
1573 (interfaces . (font-interface
1574 side-position-interface
1575 system-start-delimiter-interface))))))
1580 (X-offset . ,ly:side-position-interface::x-aligned-side)
1582 (stencil . ,ly:system-start-delimiter::print)
1584 (collapse-height . 5.0)
1586 (meta . ((class . Spanner)
1587 (interfaces . (font-interface
1588 side-position-interface
1589 system-start-delimiter-interface))))))
1596 (padding . -0.1) ;; bar must cover rounded ending of staff line.
1597 (X-offset . ,ly:side-position-interface::x-aligned-side)
1601 (stencil . ,ly:system-start-delimiter::print)
1602 (meta . ((class . Spanner)
1603 (interfaces . (side-position-interface
1604 system-start-delimiter-interface))))))
1609 (stencil . ,ly:text-interface::print)
1610 (Y-offset . ,ly:staff-symbol-referencer::callback)
1612 (stem-attachment . (0.0 . 1.35))
1613 (font-series . bold)
1614 (meta . ((class . Item)
1616 . (rhythmic-head-interface
1617 font-interface rhythmic-grob-interface
1619 staff-symbol-referencer-interface
1620 text-interface))))))
1624 (no-spacing-rods . #t)
1625 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1628 ;; sync with Fingering ?
1630 (staff-padding . 0.5)
1632 (stencil . ,ly:text-interface::print)
1633 (direction . ,ly:script-interface::calc-direction)
1635 (avoid-slur . around)
1636 (slur-padding . 0.5)
1637 (script-priority . 200)
1638 ;; todo: add X self alignment?
1639 (meta . ((class . Item)
1640 (interfaces . (text-script-interface
1642 side-position-interface
1643 font-interface))))))
1647 (stencil . ,ly:text-spanner::print)
1648 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1649 (font-shape . italic)
1650 (style . dashed-line)
1651 (staff-padding . 0.8)
1652 (dash-fraction . 0.2)
1656 (meta . ((class . Spanner)
1657 (interfaces . (text-spanner-interface
1658 line-spanner-interface
1659 side-position-interface
1660 font-interface))))))
1664 (control-points . ,ly:tie::calc-control-points)
1665 (avoid-slur . inside)
1666 (direction . ,ly:tie::calc-direction)
1667 (stencil . ,ly:tie::print)
1670 ;; for a full list, see tie-helper.cc
1672 (center-staff-line-clearance . 0.6)
1673 (tip-staff-line-clearance . 0.45)
1674 (note-head-gap . 0.2)
1676 (height-limit . 1.0)
1677 (horizontal-distance-penalty-factor . 10)
1678 (min-length-penalty-factor . 20)
1679 (tie-tie-collision-distance . 0.45)
1680 (tie-tie-collision-penalty . 25.0)
1681 (intra-space-threshold . 1.25)
1682 (outer-tie-vertical-distance-symmetry-penalty-factor . 10)
1683 (outer-tie-length-symmetry-penalty-factor . 10)
1684 (outer-tie-vertical-gap . 0.25)
1685 (multi-tie-region-size . 1)
1686 (between-length-limit . 1.0)))
1688 (line-thickness . 0.8)
1689 (meta . ((class . Spanner)
1690 (interfaces . (tie-interface))))
1695 (positioning-done . ,ly:tie-column::calc-positioning-done)
1696 (before-line-breaking . ,ly:tie-column::before-line-breaking)
1699 (meta . ((class . Spanner)
1700 (interfaces . (tie-column-interface))))))
1704 (stencil . ,ly:time-signature::print)
1705 (break-align-symbol . time-signature)
1706 (break-visibility . ,all-visible)
1708 (first-note . (fixed-space . 2.0))
1709 (right-edge . (extra-space . 0.5))
1710 (staff-bar . (minimum-space . 2.0))))
1713 (meta . ((class . Item)
1714 (interfaces . (time-signature-interface
1715 break-aligned-interface
1716 font-interface))))))
1720 (stencil . ,ly:dynamic-text-spanner::print)
1721 (edge-text . ,(cons (make-musicglyph-markup "scripts.trill")
1724 (staff-padding . 1.0)
1727 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1729 (meta . ((class . Spanner)
1730 (interfaces . (text-spanner-interface
1731 line-spanner-interface
1732 side-position-interface
1733 font-interface))))))
1735 (TrillPitchAccidental
1736 . ((X-offset . ,ly:side-position-interface::x-aligned-side)
1741 (stencil . ,ly:accidental-interface::print)
1742 (meta . ((class . Item)
1743 (interfaces . (item-interface
1744 accidental-interface
1745 side-position-interface
1746 font-interface))))))
1749 . ((X-offset . ,ly:side-position-interface::x-aligned-side)
1752 (stencil . ,parenthesize-elements)
1753 (direction . ,RIGHT)
1756 (meta . ((class . Item)
1757 (interfaces . (side-position-interface
1759 rhythmic-head-interface
1761 accidental-interface
1762 axis-group-interface))))))
1766 (stencil . ,ly:note-head::print)
1768 (Y-offset . ,ly:staff-symbol-referencer::callback)
1770 (meta . ((class . Item)
1771 (interfaces . (item-interface
1772 rhythmic-head-interface
1774 pitched-trill-interface
1776 staff-symbol-referencer-interface))))))
1782 (edge-height . (0.7 . 0.7))
1783 (shorten-pair . (-0.2 . -0.2))
1784 (staff-padding . 0.25)
1785 (direction . ,ly:tuplet-bracket::calc-direction)
1786 (positions . ,ly:tuplet-bracket::calc-positions)
1787 (connect-to-neighbor . ,ly:tuplet-bracket::calc-connect-to-neighbors)
1788 (control-points . ,ly:tuplet-bracket::calc-control-points)
1789 (stencil . ,ly:tuplet-bracket::print)
1791 (meta . ((class . Spanner)
1792 (interfaces . (line-interface
1793 tuplet-bracket-interface))))))
1797 (stencil . ,ly:tuplet-number::print)
1798 (text . ,tuplet-number::calc-denominator-text)
1799 (font-shape . italic)
1801 (avoid-slur . inside)
1802 (meta . ((class . Spanner)
1803 (interfaces . (text-interface tuplet-number-interface
1804 font-interface))))))
1808 (stencil . ,ly:text-interface::print)
1809 (font-shape . italic)
1810 (no-spacing-rods . #t)
1811 (self-alignment-X . 0)
1812 (direction . ,RIGHT)
1813 (padding . 0.0) ;; padding relative to UnaCordaPedalLineSpanner
1814 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1815 (meta . ((class . Item)
1816 (interfaces . (text-interface
1817 self-alignment-interface
1818 font-interface))))))
1820 (UnaCordaPedalLineSpanner
1823 (Y-extent . ,ly:axis-group-interface::height)
1824 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1827 (staff-padding . 1.2)
1828 (minimum-space . 1.0)
1830 (meta . ((class . Spanner)
1831 (interfaces . (piano-pedal-interface
1832 axis-group-interface
1833 side-position-interface))))))
1839 (stencil . ,ly:vaticana-ligature::print)
1840 (meta . ((class . Spanner)
1841 (interfaces . (vaticana-ligature-interface
1842 font-interface))))))
1847 (positioning-done . ,ly:align-interface::calc-positioning-done)
1848 (after-line-breaking . ,ly:align-interface::stretch-after-break)
1849 (Y-extent . ,ly:axis-group-interface::height)
1850 (X-extent . ,ly:axis-group-interface::width)
1852 (meta . ((class . Spanner)
1853 (interfaces . (align-interface
1854 axis-group-interface))))))
1858 (Y-offset . ,ly:hara-kiri-group-spanner::force-hara-kiri-callback)
1860 (Y-extent . ,ly:hara-kiri-group-spanner::y-extent)
1861 (X-extent . ,ly:axis-group-interface::width)
1862 (meta . ((class . Spanner)
1863 (interfaces . (axis-group-interface
1864 hara-kiri-group-interface
1865 vertically-spaceable-interface))))))
1870 (stencil . ,ly:volta-bracket-interface::print)
1873 (font-encoding . fetaNumber)
1874 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1876 (thickness . 1.6) ;; line-thickness
1877 (edge-height . (2.0 . 2.0)) ;; staff-space;
1880 (meta . ((class . Spanner)
1881 (interfaces . (volta-bracket-interface
1882 horizontal-bracket-interface
1885 side-position-interface
1897 (stencil . ,ly:line-spanner::print)
1898 (after-line-breaking . ,ly:line-spanner::after-line-breaking)
1899 (meta . ((class . Spanner)
1900 (interfaces . (line-spanner-interface
1906 (define (completize-grob-entry x)
1907 "Transplant assoc key into 'name entry of 'meta of X. Set interfaces for Item, Spanner etc.
1909 ;; (display (car x))
1911 (let* ((name-sym (car x))
1912 (grob-entry (cdr x))
1913 (meta-entry (cdr (assoc 'meta grob-entry)))
1914 (class (cdr (assoc 'class meta-entry)))
1916 (cdr (assoc 'interfaces meta-entry))))
1920 (set! ifaces-entry (cons 'item-interface ifaces-entry)))
1921 ((eq? 'Spanner class)
1922 (set! ifaces-entry (cons 'spanner-interface ifaces-entry)))
1923 ((eq? 'Paper_column class)
1924 (set! ifaces-entry (cons 'item-interface
1925 (cons 'paper-column-interface ifaces-entry))))
1926 ((eq? 'System class)
1927 (set! ifaces-entry (cons 'system-interface
1928 (cons 'spanner-interface ifaces-entry))))
1930 (ly:warning "Unknown class ~a" class)))
1931 (set! ifaces-entry (cons 'grob-interface ifaces-entry))
1933 (set! meta-entry (assoc-set! meta-entry 'name name-sym))
1934 (set! meta-entry (assoc-set! meta-entry 'interfaces
1936 (set! grob-entry (assoc-set! grob-entry 'meta meta-entry))
1937 (cons name-sym grob-entry)))
1939 (set! all-grob-descriptions (map completize-grob-entry all-grob-descriptions))
1941 ;; (display (map pair? all-grob-descriptions))
1943 ;; make sure that \property Foo.Bar =\turnOff doesn't complain
1946 ;; (display (car x)) (newline)
1948 (set-object-property! (car x) 'translation-type? list?)
1949 (set-object-property! (car x) 'is-grob? #t))
1950 all-grob-descriptions)
1952 (set! all-grob-descriptions (sort all-grob-descriptions alist<?))
1955 (define pure-print-callbacks
1957 `(,ly:note-head::print . '())
1958 `(,ly:clef::print . '())
1959 `(,ly:text-interface::print . '())))
1961 ;; ly:grob::stencil-extent is safe iff the print callback is safe too
1962 (define (pure-stencil-height grob start stop)
1963 (let ((sten (ly:grob-property-data grob 'stencil)))
1966 (pair? (assq sten pure-print-callbacks)))
1967 (ly:grob::stencil-height grob)
1970 (define pure-Y-extents
1972 `(,ly:staff-symbol::height . ())))
1974 (define Y-extent-conversions
1976 `(,ly:stem::height . ,ly:stem::pure-height)
1977 `(,ly:grob::stencil-height . ,pure-stencil-height)
1978 `(,ly:side-position-interface::y-aligned-side . ,ly:side-position-interface::pure-y-aligned-side)
1979 `(,ly:axis-group-interface::height . ,ly:axis-group-interface::pure-height)
1980 `(,ly:hara-kiri-group-spanner::y-extent . ,ly:hara-kiri-group-spanner::pure-height)))
1982 (define pure-Y-offsets
1984 `(,ly:staff-symbol-referencer::callback . ())))
1986 (define Y-offset-conversions
1988 `(,ly:side-position-interface::y-aligned-side . ,ly:side-position-interface::pure-y-aligned-side)))
1990 (define-public (pure-relevant grob)
1991 (let ((extent-callback (ly:grob-property-data grob 'Y-extent)))
1993 (pair? (assq extent-callback pure-Y-extents))
1995 (pair? (assq extent-callback Y-extent-conversions))
1997 (not (eq? extent-callback ly:grob::stencil-height))
1998 (pair? (assq (ly:grob-property-data grob 'stencil) pure-print-callbacks))
1999 (ly:stencil? (ly:grob-property-data grob 'stencil)))))))
2001 (define (pure-conversion pures conversions defsymbol defreturn rettype? grob start stop)
2002 (let* ((normal-callback (ly:grob-property-data grob defsymbol))
2003 (pure-callback (assq normal-callback conversions)))
2004 (if (rettype? normal-callback)
2006 (if (pair? (assq normal-callback pures))
2007 (normal-callback grob)
2008 (if (pair? pure-callback)
2009 ((cdr pure-callback) grob start stop)
2012 (define-public (pure-Y-extent grob start stop)
2013 (pure-conversion pure-Y-extents Y-extent-conversions
2014 'Y-extent '(0 . 0) pair? grob start stop))
2016 (define-public (pure-Y-offset grob start stop)
2017 (pure-conversion pure-Y-offsets Y-offset-conversions
2018 'Y-offset 0 number? grob start stop))