1 ;;;; grob-description.scm -- part of generated backend documentation
3 ;;;; source file of the GNU LilyPond music typesetter
5 ;;;; (c) 1998--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
6 ;;;; Jan Nieuwenhuizen <janneke@gnu.org>
8 ;;;; distances are given in linethickness (thicknesses) and
9 ;;;; staffspace (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?
15 (define-public all-grob-descriptions
19 (print-function . ,Accidental_interface::print)
21 (cautionary-style . parentheses)
22 (after-line-breaking-callback . ,Accidental_interface::after_line_breaking) (meta . ((interfaces . (item-interface accidental-interface font-interface))))
27 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
30 ;; this is quite small, but it is very ugly to have
31 ;; accs closer to the previous note than to the next one.
32 (right-padding . 0.25)
33 (meta . ((interfaces . (item-interface accidental-placement-interface))))
39 (break-align-symbol . ambitus)
40 (print-function . ,Ambitus::print)
42 (note-head-style . "noteheads-2")
43 (break-visibility . ,begin-of-line-visible)
46 (clef . (extra-space . 0.0))
47 (key-signature . (extra-space . 0.0))
48 (staff-bar . (extra-space . 0.0))
49 (time-signature . (extra-space . 0.0))
50 (first-note . (fixed-space . 0.0))
52 (meta . ((interfaces . (ambitus-interface staff-symbol-referencer-interface break-aligned-interface item-interface font-interface))))
57 (X-extent-callback . ,Arpeggio::width_callback)
58 (Y-extent-callback . #f)
59 (print-function . ,Arpeggio::print)
60 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
61 (X-offset-callbacks . (,Side_position_interface::aligned_side))
63 (staff-position . 0.0)
64 (meta . ((interfaces . (arpeggio-interface staff-symbol-referencer-interface side-position-interface item-interface font-interface))))
69 (break-align-symbol . staff-bar)
71 (break-glyph-function . ,default-break-barline)
72 (bar-size-procedure . ,Bar_line::get_staff_bar_size)
73 (print-function . ,Bar_line::print)
74 (break-visibility . ,all-visible)
76 (before-line-breaking-callback . ,Bar_line::before_line_breaking)
78 (time-signature . (extra-space . 0.75))
79 (custos . (minimum-space . 2.0))
80 (clef . (minimum-space . 1.0))
81 (key-signature . (extra-space . 1.0))
82 (first-note . (fixed-space . 1.3))
83 (next-note . (semi-fixed-space . 1.3))
84 (right-edge . (extra-space . 0.0))
88 ;; Ross. page 151 lists other values, we opt for a leaner look
92 (hair-thickness . 1.6)
93 (thick-thickness . 6.0)
94 (meta . ((interfaces . (bar-line-interface item-interface break-aligned-interface font-interface))))
100 (print-function . ,Text_item::print)
102 (break-visibility . ,begin-of-line-visible)
105 (font-family . roman)
107 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
108 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
109 (self-alignment-X . 1)
111 ;; hmm. why did we do this: ?
112 (extra-offset . (1.3 . 0))
114 ((interfaces . (side-position-interface
116 self-alignment-interface
117 font-interface item-interface break-aligned-interface))))
123 (print-function . ,Text_item::print)
124 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
126 (font-family . number)
128 ;; We must do this, other BFs in
129 ;; paper16 become too small.
132 (meta . ((interfaces . (text-interface rhythmic-grob-interface
133 bass-figure-interface item-interface
134 self-alignment-interface font-interface))))
138 ;; todo: clean this up a bit: the list is getting
140 (print-function . ,Beam::print)
141 (concaveness-gap . 2.0)
142 (concaveness-threshold . 0.08)
144 (positions . (#f . #f))
145 (position-callbacks . (,Beam::least_squares
148 ,Beam::shift_region_to_valid
152 ;; TODO: should be in SLT.
153 (thickness . 0.48) ; in staff-space
154 (before-line-breaking-callback . ,Beam::before_line_breaking)
155 (after-line-breaking-callback . ,Beam::after_line_breaking)
156 (neutral-direction . -1)
157 (dir-function . ,beam-dir-majority-median)
159 ;; Whe have some unreferenced problems here.
161 ;; If we shorten beamed stems less than normal stems (1 staffspace),
162 ;; or high order less than 8th beams, patterns like
163 ;; c''4 [c''8 c''] c''4 [c''16 c]
164 ;; are ugly (different stem lengths).
166 ;; But if we shorten 16th beams as much as 8th beams, a single
167 ;; forced 16th beam looks *very* short.
169 ;; We choose to shorten 8th beams the same as single stems,
170 ;; and high order beams less than 8th beams, so that all
171 ;; isolated shortened beams look nice and a bit shortened,
172 ;; sadly possibly breaking patterns with high order beams.
173 (beamed-stem-shorten . (1.0 0.5 0.25))
176 (flag-width-function . ,beam-flag-width-function)
178 (auto-knee-gap . 5.5)
180 ;; only for debugging.
181 (font-family . roman)
183 (space-function . ,Beam::space_function)
184 (meta . ((interfaces . (staff-symbol-referencer-interface beam-interface spanner-interface))))
192 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
193 (meta . ((interfaces . (break-alignment-interface item-interface axis-group-interface)))))
199 (X-offset-callbacks . (,Break_align_interface::alignment_callback))
200 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
201 (meta . ((interfaces . (break-aligned-interface item-interface axis-group-interface item-interface ))))
206 (break-align-symbol . breathing-sign)
209 (ambitus . (extra-space . 2.0))
210 (custos . (minimum-space . 1.0))
211 (key-signature . (minimum-space . 1.5))
212 (staff-bar . (minimum-space . 1.5))
213 (clef . (minimum-space . 2.0))
214 (first-note . (fixed-space . 1.0)) ;huh?
215 (right-edge . (extra-space . 0.1))
217 (print-function . ,Text_item::print)
218 (text . ,(make-musicglyph-markup "scripts-rcomma"))
219 (Y-offset-callbacks . (,Breathing_sign::offset_callback))
220 (break-visibility . ,begin-of-line-invisible)
221 (meta . ((interfaces . (break-aligned-interface breathing-sign-interface text-interface font-interface item-interface ))))
226 (print-function . ,Clef::print)
227 (before-line-breaking-callback . ,Clef::before_line_breaking)
229 (font-family . music)
230 (break-align-symbol . clef)
231 (break-visibility . ,begin-of-line-visible)
232 (space-alist . ((ambitus . (extra-space . 2.0))
233 (staff-bar . (extra-space . 0.7))
234 (key-signature . (minimum-space . 4.0))
235 (time-signature . (minimum-space . 4.2))
236 (first-note . (minimum-fixed-space . 5.0))
237 (next-note . (extra-space . 0.5))
238 (right-edge . (extra-space . 0.5))
240 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
241 (meta . ((interfaces . (clef-interface staff-symbol-referencer-interface font-interface break-aligned-interface item-interface ))))
244 (ClusterSpannerBeacon
246 (print-function . #f)
247 (meta . ((interfaces . (cluster-beacon-interface item-interface))))
252 (print-function . ,Cluster::print)
253 (spacing-procedure . ,Spanner::set_spacing_rods)
254 (minimum-length . 0.0)
257 (meta . ((interfaces . (cluster-interface spanner-interface))))
262 (print-function . ,Text_item::print)
263 (after-line-breaking-callback . ,Chord_name::after_line_breaking)
267 (meta . ((interfaces . (font-interface rhythmic-grob-interface
268 text-interface chord-name-interface item-interface ))))
273 (break-align-symbol . custos)
275 (print-function . ,Custos::print)
276 (break-visibility . ,end-of-line-visible)
278 (neutral-position . 0)
279 (neutral-direction . -1)
280 (adjust-if-on-staffline . #t)
281 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
283 (first-note . (minimum-fixed-space . 0.0))
284 (right-edge . (extra-space . 0.1))
287 . (custos-interface staff-symbol-referencer-interface
289 break-aligned-interface item-interface ))))
297 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
298 (X-offset-callbacks . (,Dot_column::side_position))
299 (meta . ((interfaces . (dot-column-interface axis-group-interface item-interface ))))
304 (print-function . ,Dots::print)
306 (meta . ((interfaces . (font-interface staff-symbol-referencer-interface dots-interface item-interface ))))
309 (DoublePercentRepeat .
311 (print-function . ,Percent_repeat_item_interface::double_percent)
314 (font-family . music)
317 (break-align-symbol . staff-bar)
318 (break-visibility . ,begin-of-line-invisible)
319 (meta . ((interfaces . (font-interface
320 break-aligned-interface
321 percent-repeat-interface item-interface ))))
326 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
327 (print-function . ,Text_item::print)
328 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self
329 ,Self_alignment_interface::centered_on_parent))
330 (self-alignment-X . 0)
331 (no-spacing-rods . #t)
332 (script-priority . 100)
334 (font-family . dynamic)
335 (font-shape . italic)
336 (self-alignment-Y . 0)
337 (meta . ((interfaces . (font-interface text-interface self-alignment-interface dynamic-interface script-interface item-interface))))
343 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
344 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
345 (staff-padding . 0.1)
347 (minimum-space . 1.2)
349 (meta . ((interfaces . (dynamic-interface axis-group-interface side-position-interface spanner-interface))))
354 (break-align-symbol . left-edge)
358 (custos . (extra-space . 0.0))
359 (ambitus . (extra-space . 2.0))
360 (time-signature . (extra-space . 0.0))
361 (staff-bar . (extra-space . 0.0))
362 (breathing-sign . (minimum-space . 0.0))
363 (clef . (extra-space . 0.85))
364 (first-note . (fixed-space . 1.0))
365 (right-edge . (extra-space . 0.0))
366 (key-signature . (extra-space . 0.0))
368 (meta . ((interfaces . (break-aligned-interface item-interface ))))
373 (print-function . ,Text_item::print)
375 (staff-padding . 0.6)
376 (self-alignment-X . 0)
377 (self-alignment-Y . 0)
378 (script-priority . 100)
379 (font-family . number)
380 (font-size . -5) ; don't overlap when next to heads.
381 (font-shape . upright)
382 (meta . ((interfaces . (finger-interface font-interface text-script-interface text-interface side-position-interface self-alignment-interface item-interface ))))
386 (RemoveEmptyVerticalGroup
388 (Y-offset-callbacks . (,Hara_kiri_group_spanner::force_hara_kiri_callback))
389 (Y-extent-callback . ,Hara_kiri_group_spanner::y_extent)
392 (meta . ((interfaces . (axis-group-interface hara-kiri-group-interface item-interface spanner-interface))))
397 (print-function . ,Hairpin::print)
400 (spacing-procedure . ,Spanner::set_spacing_rods)
401 (minimum-length . 2.0)
402 (if-text-padding . 1.0)
403 (self-alignment-Y . 0)
404 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
405 (meta . ((interfaces . (hairpin-interface line-interface self-alignment-interface dynamic-interface spanner-interface))))
411 (print-function . ,Horizontal_bracket::print)
412 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
415 (meta . ((interfaces . (horizontal-bracket-interface side-position-interface spanner-interface))))
420 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self
421 ,Side_position_interface::aligned_on_support_refpoints))
422 ;; This direction is for aligned_on_support_refpoints
426 (left-edge . (extra-space . 1.0))
429 (self-alignment-Y . 0)
430 (print-function . ,Text_item::print)
431 (break-align-symbol . instrument-name)
432 (break-visibility . ,begin-of-line-visible)
434 (font-family . roman)
435 (meta . ((interfaces . (font-interface self-alignment-interface side-position-interface text-interface break-aligned-interface item-interface ))))
441 (Y-offset-callbacks . (,Side_position_interface::aligned_on_support_refpoints))
443 (space-alist . ((left-edge . (extra-space . 1.0))
445 (print-function . ,Text_item::print)
446 (break-align-symbol . clef)
447 (break-visibility . ,begin-of-line-visible)
449 (font-family . roman)
450 (meta . ((interfaces . (font-interface
451 self-alignment-interface
452 side-position-interface text-interface
453 break-aligned-interface item-interface ))))
458 (print-function . ,Key_signature_interface::print)
460 (time-signature . (extra-space . 1.25))
461 (staff-bar . (extra-space . 1.1))
462 (right-edge . (extra-space . 0.5))
463 (first-note . (fixed-space . 2.5))
465 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
466 (break-align-symbol . key-signature)
467 (break-visibility . ,begin-of-line-visible)
469 (meta . ((interfaces . (key-signature-interface font-interface break-aligned-interface item-interface ))))
474 (ligature-primitive-callback . ,Note_head::print)
479 (edge-height . (0.7 . 0.7))
480 (shorten-pair . (-0.2 . -0.2))
481 (before-line-breaking-callback . ,Tuplet_bracket::before_line_breaking)
482 (after-line-breaking-callback . ,Tuplet_bracket::after_line_breaking)
483 (print-function . ,Tuplet_bracket::print)
484 (meta . ((interfaces . (tuplet-bracket-interface spanner-interface))))
493 (spacing-procedure . ,Hyphen_spanner::set_spacing_rods)
494 (print-function . ,Hyphen_spanner::print)
496 (meta . ((interfaces . (lyric-interface lyric-hyphen-interface
497 spanner-interface))))
502 (print-function . ,Lyric_extender::print)
503 (thickness . 0.8) ; linethickness
504 (minimum-length . 1.5)
506 (meta . ((interfaces . (lyric-interface
507 lyric-extender-interface spanner-interface))))
511 . ((print-function . ,Text_item::print)
512 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_parent))
513 (self-alignment-X . 0)
515 (font-family . roman)
516 (font-series . bold-narrow)
517 (font-shape . upright)
519 (meta . ((interfaces . (rhythmic-grob-interface lyric-syllable-interface self-alignment-interface text-interface font-interface item-interface ))))
526 (ligature-primitive-callback . ,Mensural_ligature::brew_ligature_primitive)
527 (print-function . ,Mensural_ligature::print)
528 (meta . ((interfaces . (mensural-ligature-interface font-interface))))
533 (print-function . ,Text_item::print)
534 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
535 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
536 (after-line-breaking-callback . ,shift-right-at-line-begin)
537 (self-alignment-X . 0)
541 (font-family . roman)
543 (break-visibility . ,end-of-line-invisible)
545 (meta . ((interfaces . (text-interface side-position-interface font-interface mark-interface self-alignment-interface item-interface ))))
549 (print-function . ,Text_item::print)
550 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
553 (font-family . roman)
554 (break-visibility . ,end-of-line-invisible)
556 (meta . ((interfaces . (text-interface side-position-interface font-interface metronome-mark-interface item-interface))))
560 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
561 (print-function . ,Measure_grouping::print)
567 (meta . ((interfaces . (spanner-interface side-position-interface measure-grouping-interface))))
571 (spacing-procedure . ,Multi_measure_rest::set_spacing_rods)
572 (print-function . ,Multi_measure_rest::print)
573 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
576 (thick-thickness . 6.6)
577 (hair-thickness . 2.0)
579 (meta . ((interfaces . (multi-measure-rest-interface multi-measure-interface rest-interface font-interface staff-symbol-referencer-interface))))
582 (MultiMeasureRestNumber
584 (print-function . ,Text_item::print)
585 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self
586 ,Self_alignment_interface::centered_on_other_axis_parent))
587 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
588 (self-alignment-X . 0)
591 (staff-padding . 1.3)
592 (font-family . number)
593 (meta . ((interfaces . (side-position-interface multi-measure-interface self-alignment-interface font-interface spanner-interface text-interface))))
595 (MultiMeasureRestText
597 (print-function . ,Text_item::print)
598 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self
599 ,Self_alignment_interface::centered_on_other_axis_parent))
600 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
601 (self-alignment-X . 0)
604 (staff-padding . 1.5)
605 (font-family . roman)
606 (meta . ((interfaces . (side-position-interface multi-measure-interface self-alignment-interface font-interface spanner-interface text-interface))))
611 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
612 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
613 (meta . ((interfaces . (note-collision-interface axis-group-interface item-interface ))))
619 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
620 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
621 (meta . ((interfaces . (axis-group-interface note-column-interface item-interface ))))
627 (print-function . ,Note_head::print)
628 (ligature-primitive-callback . ,Note_head::print)
629 (glyph-name-procedure . ,find-notehead-symbol)
630 (X-extent-callback . ,Note_head::extent)
631 (Y-extent-callback . ,Note_head::extent)
632 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
633 (stem-attachment-function . ,note-head-style->attachment-coordinates)
634 (meta . ((interfaces . (rhythmic-grob-interface rhythmic-head-interface font-interface note-head-interface staff-symbol-referencer-interface item-interface ))))
641 (zigzag-width . 0.75)
643 (X-extent-callback . #f)
644 (Y-extent-callback . #f)
645 (after-line-breaking-callback . ,Line_spanner::after_line_breaking)
646 (print-function . ,Line_spanner::print)
647 (meta . ((interfaces . (line-spanner-interface spanner-interface))))
655 (X-extent-callback . #f)
656 (Y-extent-callback . #f)
657 (print-function . ,Line_spanner::print)
658 (after-line-breaking-callback . ,Line_spanner::after_line_breaking)
659 (meta . ((interfaces . (line-spanner-interface spanner-interface))))
664 (print-function . ,Text_item::print)
665 (font-family . roman)
666 (meta . ((interfaces . (note-name-interface text-interface font-interface item-interface ))))
671 (self-alignment-X . 0)
672 (break-visibility . ,begin-of-line-visible)
673 (X-offset-callbacks . (,Self_alignment_interface::centered_on_parent ,Self_alignment_interface::aligned_on_self))
674 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
675 (print-function . ,Text_item::print)
676 (font-shape . italic)
678 (staff-padding . 0.2)
680 (font-family . roman)
681 (meta . ((interfaces . (text-interface self-alignment-interface side-position-interface font-interface item-interface ))))
687 (before-line-breaking-callback . ,Paper_column::before_line_breaking)
688 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
690 ; (print-function . ,Paper_column::print) (font-name . "cmr8") (Y-extent-callback . #f)
691 (meta . ((interfaces . (paper-column-interface axis-group-interface spaceable-grob-interface item-interface ))))
696 (print-function . ,Slur::print)
698 (spacing-procedure . ,Spanner::set_spacing_rods)
699 (minimum-length . 1.5)
700 (after-line-breaking-callback . ,Slur::after_line_breaking)
701 (extremity-function . ,calc-slur-extremity)
702 (extremity-offset-alist . ,default-phrasing-slur-extremity-offset-alist)
703 (de-uglify-parameters . (1.5 0.8 -2.0))
704 (Y-extent-callback . ,Slur::height)
709 (attachment . (#f . #f))
710 (attachment-offset . ((0 . 0) . (0 . 0)))
712 (details . ((force-blowfit . 0.5)
713 (bezier-pct-c0 . -0.2) (bezier-pct-c3 . 0.000006)
714 (bezier-pct-out-max . 0.8) (bezier-pct-in-max . 1.2)
715 (bezier-area-steps . 1.0)))
716 (meta . ((interfaces . (slur-interface spanner-interface))))
719 (NonMusicalPaperColumn
722 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
723 (before-line-breaking-callback . ,Paper_column::before_line_breaking)
725 ;; debugging stuff: print column number.
726 ; (print-function . ,Paper_column::print) (font-name . "cmr8") (Y-extent-callback . #f)
729 (meta . ((interfaces . (paper-column-interface axis-group-interface spaceable-grob-interface item-interface ))))
734 (spacing-procedure . ,Multi_measure_rest::set_spacing_rods)
735 (print-function . ,Multi_measure_rest::percent)
738 (font-family . music)
739 (meta . ((interfaces . (multi-measure-rest-interface spanner-interface font-interface percent-repeat-interface))))
742 (PianoPedalBracket ;; an example of a text spanner
744 (print-function . ,Piano_pedal_bracket::print)
745 (font-family . roman)
747 (if-text-padding . 1.0)
749 (bracket-flare . (0.5 . 0.5))
750 (edge-height . (1.0 . 1.0))
751 (shorten-pair . (0.0 . 0.0))
753 (meta . ((interfaces . (line-interface piano-pedal-interface piano-pedal-bracket-interface spanner-interface))))
758 (print-function . ,Percent_repeat_item_interface::beat_slash)
761 (meta . ((interfaces . (percent-repeat-interface item-interface ))))
765 (after-line-breaking-callback . ,Rest::after_line_breaking)
766 (X-extent-callback . ,Rest::extent_callback)
767 (Y-extent-callback . ,Rest::extent_callback)
768 (print-function . ,Rest::print)
769 (Y-offset-callbacks . (,Staff_symbol_referencer::callback
770 ,Rest::polyphonic_offset_callback
772 (minimum-distance . 0.25)
774 (interfaces . (font-interface
775 rhythmic-head-interface
776 rhythmic-grob-interface
778 staff-symbol-referencer-interface
779 rest-interface item-interface ))
784 (minimum-distance . 0.75)
785 (meta . ((interfaces . (rest-collision-interface item-interface ))))
790 ;; don't set direction here: it breaks staccato.
791 (print-function . ,Script_interface::print)
793 ;; This value is sensitive: if too large, staccato dots will move a
796 (staff-padding . 0.25)
797 ;; (script-priority . 0) priorities for scripts, see script.scm
798 (X-offset-callbacks . (,Self_alignment_interface::centered_on_parent))
799 (before-line-breaking-callback . ,Script_interface::before_line_breaking)
800 (font-family . music)
801 (meta . ((interfaces . (script-interface side-position-interface font-interface item-interface ))))
806 (before-line-breaking-callback . ,Script_column::before_line_breaking)
807 (meta . ((interfaces . (script-column-interface item-interface ))))
812 (print-function . ,Slur::print)
814 (spacing-procedure . ,Spanner::set_spacing_rods)
815 (minimum-length . 1.5)
816 (after-line-breaking-callback . ,Slur::after_line_breaking)
817 (extremity-function . ,calc-slur-extremity)
818 (extremity-offset-alist . ,default-slur-extremity-offset-alist)
819 (de-uglify-parameters . (1.5 0.8 -2.0))
820 (Y-extent-callback . ,Slur::height)
825 (attachment . (#f . #f))
826 (attachment-offset . ((0 . 0) . (0 . 0)))
828 (details . ((force-blowfit . 0.5)
829 (bezier-pct-c0 . -0.2) (bezier-pct-c3 . 0.000006)
830 (bezier-pct-out-max . 0.8) (bezier-pct-in-max . 1.2)
831 (bezier-area-steps . 1.0)))
832 (meta . ((interfaces . (slur-interface spanner-interface))))
837 (spacing-procedure . ,Spacing_spanner::set_springs)
838 (grace-space-factor . 0.6)
839 (shortest-duration-space . 2.0)
840 (spacing-increment . 1.2)
841 (base-shortest-duration . ,(ly:make-moment 1 8))
842 (meta . ((interfaces . (spacing-interface spacing-spanner-interface spanner-interface))))
847 (break-align-symbol . staff-bar)
848 (bar-size-procedure . ,Span_bar::get_bar_size)
849 (print-function . ,Span_bar::print)
850 (break-visibility . ,begin-of-line-invisible)
851 (X-extent-callback . ,Span_bar::width_callback)
852 (Y-extent-callback . ())
855 (before-line-breaking-callback . ,Span_bar::before_line_breaking)
859 ;; Ross. page 151 lists other values, we opt for a leaner look
863 (hair-thickness . 1.6)
864 (thick-thickness . 6.0)
865 (meta . ((interfaces . (span-bar-interface font-interface
866 bar-line-interface item-interface ))))
870 . ((print-function . ,Text_item::print)
871 (font-family . roman)
874 (X-offset-callbacks . (,Side_position_interface::aligned_side))
876 (meta . ((interfaces . (side-position-interface stanza-number-interface text-interface font-interface item-interface ))))
882 (stem-spacing-correction . 0.4)
884 (meta . ((interfaces . (spacing-interface staff-spacing-interface item-interface ))))
888 (stem-spacing-correction . 0.5)
890 ;; Changed this from 0.75.
891 ;; If you ever change this back, please document! --hwn
892 (knee-spacing-correction . 1.0)
894 (meta . ((interfaces . (spacing-interface note-spacing-interface item-interface ))))
899 (print-function . ,Staff_symbol::print)
901 (ledger-line-thickness . (1.0 . 0.1))
903 (meta . ((interfaces . (staff-symbol-interface spanner-interface))))
908 (print-function . ,Text_item::print)
910 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
911 (no-spacing-rods . #t)
912 (padding . 0.0) ;; padding relative to SostenutoPedalLineSpanner
913 (font-family . roman)
914 (font-shape . italic)
915 (self-alignment-X . 0)
916 (meta . ((interfaces . (text-interface self-alignment-interface font-interface item-interface))))
919 (SostenutoPedalLineSpanner
922 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
923 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
927 (minimum-space . 1.0)
929 (meta . ((interfaces . (piano-pedal-interface axis-group-interface side-position-interface spanner-interface))))
935 ;; this list is rather long. Trim --hwn
936 (before-line-breaking-callback . ,Stem::before_line_breaking)
937 (print-function . ,Stem::print)
940 ;; 3.5 (or 3 measured from note head) is standar length
941 ;; 32nd, 64th flagged stems should be longer
942 (lengths . (3.5 3.5 3.5 4.5 5.0))
944 ;; Stems in unnatural (forced) direction should be shortened by
945 ;; one staff space, according to [Roush & Gourlay].
946 ;; Flagged stems we shorten only half a staff space.
947 (stem-shorten . (1.0 0.5))
949 ;; default stem direction for note on middle line
950 (neutral-direction . -1)
954 ;; FIXME. 3.5 yields too long beams (according to Ross and
955 ;; looking at Baerenreiter examples) for a number of common
956 ;; boundary cases. Subtracting half a beam thickness fixes
957 ;; this, but the bug may well be somewhere else.
959 ;; FIXME this should come from 'lengths
961 ; (beamed-lengths . (3.26 3.26 1.5))
962 (beamed-lengths . (3.5 3.5 3.5 4.5 5.0))
964 ;; We use the normal minima as minimum for the ideal lengths,
965 ;; and the extreme minima as abolute minimum length.
967 ;; The 'normal' minima
968 (beamed-minimum-free-lengths . (1.83 1.5 1.25))
970 ;; The 'extreme case' minima
971 (beamed-extreme-minimum-free-lengths . (2.0 1.25))
973 (X-offset-callbacks . (,Stem::off_callback))
974 (X-extent-callback . ,Stem::dim_callback)
975 (Y-extent-callback . ,Stem::height)
976 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
977 (adjust-if-on-staffline . #t)
978 (font-family . music)
979 (meta . ((interfaces . (stem-interface font-interface item-interface ))))
984 (print-function . ,Stem_tremolo::print)
985 (Y-extent-callback . ,Stem_tremolo::height)
986 (X-extent-callback . #f)
988 (beam-width . 1.6) ; staff-space
989 (beam-thickness . 0.48) ; staff-space
990 (meta . ((interfaces . (stem-tremolo-interface item-interface ))))
995 (X-extent-callback . #f)
996 (Y-extent-callback . #f)
997 (meta . ((interfaces . (spacing-interface separation-item-interface item-interface ))))
1000 (SeparatingGroupSpanner
1002 (spacing-procedure . ,Separating_group_spanner::set_spacing_rods)
1003 (meta . ((interfaces . (only-prebreak-interface spacing-interface separation-spanner-interface spanner-interface))))
1008 (no-spacing-rods . #t)
1009 (print-function . ,Sustain_pedal::print)
1010 (self-alignment-X . 0)
1012 (padding . 0.0) ;; padding relative to SustainPedalLineSpanner
1013 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
1014 (meta . ((interfaces . (piano-pedal-interface text-spanner-interface text-interface self-alignment-interface font-interface item-interface))))
1017 (SustainPedalLineSpanner
1020 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1021 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1024 (staff-padding . 1.2)
1025 (minimum-space . 1.0)
1027 (meta . ((interfaces . (piano-pedal-interface axis-group-interface side-position-interface spanner-interface))))
1033 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
1034 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1035 (meta . ((interfaces . (system-interface axis-group-interface spanner-interface))))
1041 (print-function . ,System_start_delimiter::print)
1042 (collapse-height . 5.0)
1043 (font-family . braces)
1044 (Y-extent-callback . #f)
1045 (meta . ((interfaces . (system-start-delimiter-interface font-interface))))
1050 (Y-extent-callback . #f)
1051 (print-function . ,System_start_delimiter::print)
1057 (collapse-height . 1)
1059 (meta . ((interfaces . (system-start-delimiter-interface spanner-interface))))
1064 (Y-extent-callback . #f)
1065 (print-function . ,System_start_delimiter::print)
1066 (glyph . "bar-line")
1068 (after-line-breaking-callback . ,System_start_delimiter::after_line_breaking)
1069 (meta . ((interfaces . (system-start-delimiter-interface spanner-interface))))
1074 (print-function . ,Text_item::print)
1075 (no-spacing-rods . #t)
1076 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
1079 (staff-padding . 0.5)
1080 (script-priority . 200)
1081 ;; todo: add X self alignment?
1083 (font-family . roman)
1084 (meta . ((interfaces . (text-script-interface text-interface side-position-interface font-interface item-interface ))))
1088 (print-function . ,Text_item::print)
1089 (no-spacing-rods . #t)
1090 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1091 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
1093 (extra-offset . (-1 . 0))
1095 (staff-padding . 0.5)
1096 (script-priority . 200)
1097 ;; todo: add X self alignment?
1099 (font-family . roman)
1100 (font-series . bold)
1101 (meta . ((interfaces . (text-script-interface text-interface side-position-interface font-interface item-interface ))))
1105 (print-function . ,Text_spanner::print)
1106 (font-family . roman)
1107 (style . dashed-line)
1108 (staff-padding . 0.1)
1110 ;; urg, only for (de)cresc. text spanners
1111 (if-text-padding . 1.0)
1112 (dash-fraction . 0.2)
1115 (meta . ((interfaces . (text-spanner-interface side-position-interface font-interface spanner-interface))))
1120 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1121 (print-function . ,Ottava_bracket::print)
1122 (font-shape . italic)
1123 (font-family . roman)
1124 (shorten-pair . (0.0 . -0.6))
1125 (staff-padding . 1.0)
1127 (minimum-length . 1.0)
1128 (dash-fraction . 0.3)
1129 (edge-height . (0 . 1.2))
1131 (meta . ((interfaces . (ottava-bracket-interface
1132 line-interface side-position-interface
1133 font-interface text-interface spanner-interface))))
1138 (font-family . roman)
1140 (print-function . ,Text_item::print)
1141 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
1142 (extra-offset . (0 . -0.65)) ;; UGH! TODO: Clean this up!
1143 (stem-attachment-function . ,tablature-stem-attachment-function)
1144 (meta . ((interfaces
1145 . (rhythmic-head-interface
1147 note-head-interface staff-symbol-referencer-interface
1148 text-interface item-interface ))))
1154 (print-function . ,Tie::print)
1155 (spacing-procedure . ,Spanner::set_spacing_rods)
1156 (staffline-clearance . 0.35)
1157 (details . ((ratio . 0.333) (height-limit . 1.0)))
1161 (minimum-length . 2.5)
1162 (meta . ((interfaces . (tie-interface spanner-interface))))
1167 (after-line-breaking-callback . ,Tie_column::after_line_breaking)
1168 (X-extent-callback . #f)
1169 (Y-extent-callback . #f)
1170 (meta . ((interfaces . (tie-column-interface spanner-interface))))
1175 (print-function . ,Time_signature::print)
1176 ; (print-function . ,Text_item::print)
1177 (break-align-symbol . time-signature)
1178 (break-visibility . ,all-visible)
1180 (first-note . (fixed-space . 2.0))
1181 (right-edge . (extra-space . 0.5))
1182 (staff-bar . (minimum-space . 2.0))
1186 ; (text . (,time-signature-glue-markup))
1187 (font-family . number)
1188 (meta . ((interfaces . (time-signature-interface break-aligned-interface font-interface item-interface ))))
1196 (edge-height . (0.7 . 0.7))
1197 (shorten-pair . (-0.2 . -0.2))
1198 (before-line-breaking-callback . ,Tuplet_bracket::before_line_breaking)
1199 (after-line-breaking-callback . ,Tuplet_bracket::after_line_breaking)
1200 (print-function . ,Tuplet_bracket::print)
1201 (font-family . roman)
1202 (font-shape . italic)
1203 (font-series . bold)
1206 (meta . ((interfaces . (text-interface line-interface tuplet-bracket-interface font-interface spanner-interface))))
1211 (print-function . ,Text_item::print)
1212 (font-family . roman)
1213 (font-shape . italic)
1214 (no-spacing-rods . #t)
1215 (self-alignment-X . 0)
1217 (padding . 0.0) ;; padding relative to UnaCordaPedalLineSpanner
1218 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
1219 (meta . ((interfaces . (text-interface self-alignment-interface font-interface item-interface ))))
1222 (UnaCordaPedalLineSpanner
1225 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1226 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1228 (staff-padding . 1.2)
1229 (minimum-space . 1.0)
1231 (meta . ((interfaces . (piano-pedal-interface axis-group-interface side-position-interface spanner-interface))))
1238 (ligature-primitive-callback . ,Vaticana_ligature::brew_ligature_primitive)
1239 (print-function . ,Vaticana_ligature::print)
1240 (meta . ((interfaces . (vaticana-ligature-interface font-interface))))
1245 (print-function . ,Volta_bracket_interface::print)
1248 (font-family . number)
1249 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1250 (thickness . 1.6) ; linethickness
1251 (height . 2.0) ; staffspace;
1253 (font-family . number)
1255 (meta . ((interfaces . (volta-bracket-interface line-interface text-interface side-position-interface font-interface spanner-interface))))
1261 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1262 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
1264 (meta . ((interfaces . (align-interface axis-group-interface spanner-interface))))
1270 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1271 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
1273 (meta . ((interfaces . (axis-group-interface spanner-interface))))
1281 (define (completize-grob-entry x)
1282 "transplant assoc key into 'name entry of 'meta of X
1284 (let* ((name-sym (car x))
1285 (grob-entry (cdr x))
1286 (metaentry (cdr (assoc 'meta grob-entry)))
1288 (cdr (assoc 'interfaces metaentry)))
1291 (set! metaentry (assoc-set! metaentry 'name name-sym))
1292 (set! metaentry (assoc-set! metaentry 'interfaces
1293 (cons 'grob-interface ifaces-entry)))
1294 (set! grob-entry (assoc-set! grob-entry 'meta metaentry))
1295 (cons name-sym grob-entry)))
1297 (set! all-grob-descriptions (map completize-grob-entry all-grob-descriptions))
1301 ; (display (map pair? all-grob-descriptions))
1304 ;; make sure that \property Foo.Bar =\turnOff doesn't complain
1307 ; (display (car x)) (newline)
1309 (set-object-property! (car x) 'translation-type? list?)
1310 (set-object-property! (car x) 'is-grob? #t))
1311 all-grob-descriptions)
1314 (set! all-grob-descriptions (sort all-grob-descriptions alist<?))