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 (visibility-lambda . ,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)
110 (extra-offset . (1.3 . 0))
112 ((interfaces . (side-position-interface
114 self-alignment-interface
115 font-interface item-interface break-aligned-interface))))
121 (print-function . ,Text_item::print)
122 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
124 (font-family . number)
126 ;; We must do this, other BFs in
127 ;; paper16 become too small.
129 (font-magnification . 0.8)
131 (meta . ((interfaces . (text-interface rhythmic-grob-interface
132 bass-figure-interface item-interface
133 self-alignment-interface font-interface))))
137 ;; todo: clean this up a bit: the list is getting
139 (print-function . ,Beam::print)
140 (concaveness-gap . 2.0)
141 (concaveness-threshold . 0.08)
143 (positions . (#f . #f))
144 (position-callbacks . (,Beam::least_squares
147 ,Beam::shift_region_to_valid
151 ;; TODO: should be in SLT.
152 (thickness . 0.48) ; in staff-space
153 (before-line-breaking-callback . ,Beam::before_line_breaking)
154 (after-line-breaking-callback . ,Beam::after_line_breaking)
155 (neutral-direction . -1)
156 (dir-function . ,beam-dir-majority-median)
158 ;; Whe have some unreferenced problems here.
160 ;; If we shorten beamed stems less than normal stems (1 staffspace),
161 ;; or high order less than 8th beams, patterns like
162 ;; c''4 [c''8 c''] c''4 [c''16 c]
163 ;; are ugly (different stem lengths).
165 ;; But if we shorten 16th beams as much as 8th beams, a single
166 ;; forced 16th beam looks *very* short.
168 ;; We choose to shorten 8th beams the same as single stems,
169 ;; and high order beams less than 8th beams, so that all
170 ;; isolated shortened beams look nice and a bit shortened,
171 ;; sadly possibly breaking patterns with high order beams.
172 (beamed-stem-shorten . (1.0 0.5 0.25))
174 (outer-stem-length-limit . 0.2)
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)
404 (self-alignment-Y . 0)
405 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
406 (meta . ((interfaces . (hairpin-interface line-interface self-alignment-interface dynamic-interface spanner-interface))))
412 (print-function . ,Horizontal_bracket::print)
413 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
416 (meta . ((interfaces . (horizontal-bracket-interface side-position-interface spanner-interface))))
421 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self
422 ,Side_position_interface::aligned_on_support_refpoints))
423 ;; This direction is for aligned_on_support_refpoints
427 (left-edge . (extra-space . 1.0))
430 (self-alignment-Y . 0)
431 (print-function . ,Text_item::print)
432 (break-align-symbol . instrument-name)
433 (break-visibility . ,begin-of-line-visible)
435 (font-family . roman)
436 (meta . ((interfaces . (font-interface self-alignment-interface side-position-interface text-interface break-aligned-interface item-interface ))))
442 (Y-offset-callbacks . (,Side_position_interface::aligned_on_support_refpoints))
444 (space-alist . ((left-edge . (extra-space . 1.0))
446 (print-function . ,Text_item::print)
447 (break-align-symbol . clef)
448 (break-visibility . ,begin-of-line-visible)
450 (font-family . roman)
451 (meta . ((interfaces . (font-interface
452 self-alignment-interface
453 side-position-interface text-interface
454 break-aligned-interface item-interface ))))
459 (print-function . ,Key_signature_interface::print)
461 (time-signature . (extra-space . 1.25))
462 (staff-bar . (extra-space . 1.1))
463 (right-edge . (extra-space . 0.5))
464 (first-note . (fixed-space . 2.5))
466 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
467 (break-align-symbol . key-signature)
468 (break-visibility . ,begin-of-line-visible)
470 (meta . ((interfaces . (key-signature-interface font-interface break-aligned-interface item-interface ))))
475 (ligature-primitive-callback . ,Note_head::print)
480 (edge-height . (0.7 . 0.7))
481 (shorten-pair . (-0.2 . -0.2))
482 (before-line-breaking-callback . ,Tuplet_bracket::before_line_breaking)
483 (after-line-breaking-callback . ,Tuplet_bracket::after_line_breaking)
484 (print-function . ,Tuplet_bracket::print)
485 (meta . ((interfaces . (tuplet-bracket-interface spanner-interface))))
494 (spacing-procedure . ,Hyphen_spanner::set_spacing_rods)
495 (print-function . ,Hyphen_spanner::print)
497 (meta . ((interfaces . (lyric-interface lyric-hyphen-interface
498 spanner-interface))))
503 (print-function . ,Lyric_extender::print)
504 (thickness . 0.8) ; linethickness
505 (minimum-length . 1.5)
507 (meta . ((interfaces . (lyric-interface
508 lyric-extender-interface spanner-interface))))
512 . ((print-function . ,Text_item::print)
513 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_parent))
514 (self-alignment-X . 0)
516 (font-family . roman)
517 (font-series . bold-narrow)
518 (font-shape . upright)
520 (meta . ((interfaces . (rhythmic-grob-interface lyric-syllable-interface self-alignment-interface text-interface font-interface item-interface ))))
527 (ligature-primitive-callback . ,Mensural_ligature::brew_ligature_primitive)
528 (print-function . ,Mensural_ligature::print)
529 (meta . ((interfaces . (mensural-ligature-interface font-interface))))
534 (print-function . ,Text_item::print)
535 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
536 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
537 (after-line-breaking-callback . ,shift-right-at-line-begin)
538 (self-alignment-X . 0)
542 (font-family . roman)
544 (break-visibility . ,end-of-line-invisible)
546 (meta . ((interfaces . (text-interface side-position-interface font-interface mark-interface self-alignment-interface item-interface ))))
550 (print-function . ,Text_item::print)
551 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
554 (font-family . roman)
555 (break-visibility . ,end-of-line-invisible)
557 (meta . ((interfaces . (text-interface side-position-interface font-interface metronome-mark-interface item-interface))))
561 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
562 (print-function . ,Measure_grouping::print)
568 (meta . ((interfaces . (spanner-interface side-position-interface measure-grouping-interface))))
572 (spacing-procedure . ,Multi_measure_rest::set_spacing_rods)
573 (print-function . ,Multi_measure_rest::print)
574 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
577 (thick-thickness . 6.6)
578 (hair-thickness . 2.0)
580 (meta . ((interfaces . (multi-measure-rest-interface multi-measure-interface rest-interface font-interface staff-symbol-referencer-interface))))
583 (MultiMeasureRestNumber
585 (print-function . ,Text_item::print)
586 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self
587 ,Self_alignment_interface::centered_on_other_axis_parent))
588 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
589 (self-alignment-X . 0)
592 (staff-padding . 1.3)
593 (font-family . number)
594 (meta . ((interfaces . (side-position-interface multi-measure-interface self-alignment-interface font-interface spanner-interface text-interface))))
596 (MultiMeasureRestText
598 (print-function . ,Text_item::print)
599 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self
600 ,Self_alignment_interface::centered_on_other_axis_parent))
601 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
602 (self-alignment-X . 0)
605 (staff-padding . 1.5)
606 (font-family . roman)
607 (meta . ((interfaces . (side-position-interface multi-measure-interface self-alignment-interface font-interface spanner-interface text-interface))))
612 ;; Ugh, should not be hard-coded.
614 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
615 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
616 (meta . ((interfaces . (note-collision-interface axis-group-interface item-interface ))))
622 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
623 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
624 (meta . ((interfaces . (axis-group-interface note-column-interface item-interface ))))
630 (print-function . ,Note_head::print)
631 (ligature-primitive-callback . ,Note_head::print)
632 (glyph-name-procedure . ,find-notehead-symbol)
633 (X-extent-callback . ,Note_head::extent)
634 (Y-extent-callback . ,Note_head::extent)
635 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
636 (stem-attachment-function . ,note-head-style->attachment-coordinates)
637 (meta . ((interfaces . (rhythmic-grob-interface rhythmic-head-interface font-interface note-head-interface staff-symbol-referencer-interface item-interface ))))
644 (zigzag-width . 0.75)
646 (X-extent-callback . #f)
647 (Y-extent-callback . #f)
648 (after-line-breaking-callback . ,Line_spanner::after_line_breaking)
649 (print-function . ,Line_spanner::print)
650 (meta . ((interfaces . (line-spanner-interface spanner-interface))))
658 (X-extent-callback . #f)
659 (Y-extent-callback . #f)
660 (print-function . ,Line_spanner::print)
661 (after-line-breaking-callback . ,Line_spanner::after_line_breaking)
662 (meta . ((interfaces . (line-spanner-interface spanner-interface))))
667 (print-function . ,Text_item::print)
668 (font-family . roman)
669 (meta . ((interfaces . (note-name-interface text-interface font-interface item-interface ))))
674 (self-alignment-X . 0)
675 (break-visibility . ,begin-of-line-visible)
676 (X-offset-callbacks . (,Self_alignment_interface::centered_on_parent ,Self_alignment_interface::aligned_on_self))
677 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
678 (print-function . ,Text_item::print)
679 (font-shape . italic)
681 (staff-padding . 0.2)
683 (font-family . roman)
684 (meta . ((interfaces . (text-interface self-alignment-interface side-position-interface font-interface item-interface ))))
690 (before-line-breaking-callback . ,Paper_column::before_line_breaking)
691 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
693 ; (print-function . ,Paper_column::print) (font-name . "cmr8") (Y-extent-callback . #f)
694 (meta . ((interfaces . (paper-column-interface axis-group-interface spaceable-grob-interface item-interface ))))
699 (print-function . ,Slur::print)
701 (spacing-procedure . ,Spanner::set_spacing_rods)
702 (minimum-length . 1.5)
703 (after-line-breaking-callback . ,Slur::after_line_breaking)
704 (extremity-rules . ,default-slur-extremity-rules)
705 (extremity-offset-alist . ,default-phrasing-slur-extremity-offset-alist)
706 (de-uglify-parameters . (1.5 0.8 -2.0))
707 (Y-extent-callback . ,Slur::height)
712 (attachment . (#f . #f))
713 (attachment-offset . ((0 . 0) . (0 . 0)))
715 (details . ((force-blowfit . 0.5)
716 (bezier-pct-c0 . -0.2) (bezier-pct-c3 . 0.000006)
717 (bezier-pct-out-max . 0.8) (bezier-pct-in-max . 1.2)
718 (bezier-area-steps . 1.0)))
719 (meta . ((interfaces . (slur-interface spanner-interface))))
722 (NonMusicalPaperColumn
725 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
726 (before-line-breaking-callback . ,Paper_column::before_line_breaking)
727 ;; debugging stuff: print column number.
728 ; (print-function . ,Paper_column::print) (font-name . "cmr8") (Y-extent-callback . #f)
731 (meta . ((interfaces . (paper-column-interface axis-group-interface spaceable-grob-interface item-interface ))))
736 (spacing-procedure . ,Multi_measure_rest::set_spacing_rods)
737 (print-function . ,Multi_measure_rest::percent)
740 (minimum-width . 12.5) ; staffspace
741 (font-family . music)
742 (meta . ((interfaces . (multi-measure-rest-interface spanner-interface font-interface percent-repeat-interface))))
745 (PianoPedalBracket ;; an example of a text spanner
747 (print-function . ,Piano_pedal_bracket::print)
748 (font-family . roman)
750 (if-text-padding . 1.0)
752 (bracket-flare . (0.5 . 0.5))
753 (edge-height . (1.0 . 1.0))
754 (shorten-pair . (0.0 . 0.0))
756 (meta . ((interfaces . (line-interface piano-pedal-interface piano-pedal-bracket-interface spanner-interface))))
761 (print-function . ,Percent_repeat_item_interface::beat_slash)
764 (meta . ((interfaces . (percent-repeat-interface item-interface ))))
768 (after-line-breaking-callback . ,Rest::after_line_breaking)
769 (X-extent-callback . ,Rest::extent_callback)
770 (Y-extent-callback . ,Rest::extent_callback)
771 (print-function . ,Rest::print)
772 (Y-offset-callbacks . (,Staff_symbol_referencer::callback
773 ,Rest::polyphonic_offset_callback
775 (minimum-distance . 0.25)
777 (interfaces . (font-interface
778 rhythmic-head-interface
779 rhythmic-grob-interface
781 staff-symbol-referencer-interface
782 rest-interface item-interface ))
787 (minimum-distance . 0.75)
788 (meta . ((interfaces . (rest-collision-interface item-interface ))))
793 ;; don't set direction here: it breaks staccato.
794 (print-function . ,Script_interface::print)
796 ;; This value is sensitive: if too large, staccato dots will move a
799 (staff-padding . 0.25)
800 ;; (script-priority . 0) priorities for scripts, see script.scm
801 (X-offset-callbacks . (,Self_alignment_interface::centered_on_parent))
802 (before-line-breaking-callback . ,Script_interface::before_line_breaking)
803 (font-family . music)
804 (meta . ((interfaces . (script-interface side-position-interface font-interface item-interface ))))
809 (before-line-breaking-callback . ,Script_column::before_line_breaking)
810 (meta . ((interfaces . (script-column-interface item-interface ))))
815 (print-function . ,Slur::print)
817 (spacing-procedure . ,Spanner::set_spacing_rods)
818 (minimum-length . 1.5)
819 (after-line-breaking-callback . ,Slur::after_line_breaking)
820 (extremity-rules . ,default-slur-extremity-rules)
821 (extremity-offset-alist . ,default-slur-extremity-offset-alist)
822 (de-uglify-parameters . (1.5 0.8 -2.0))
823 (Y-extent-callback . ,Slur::height)
828 (attachment . (#f . #f))
829 (attachment-offset . ((0 . 0) . (0 . 0)))
831 (details . ((force-blowfit . 0.5)
832 (bezier-pct-c0 . -0.2) (bezier-pct-c3 . 0.000006)
833 (bezier-pct-out-max . 0.8) (bezier-pct-in-max . 1.2)
834 (bezier-area-steps . 1.0)))
835 (meta . ((interfaces . (slur-interface spanner-interface))))
840 (spacing-procedure . ,Spacing_spanner::set_springs)
841 (grace-space-factor . 0.6)
842 (shortest-duration-space . 2.0)
843 (spacing-increment . 1.2)
844 (base-shortest-duration . ,(ly:make-moment 1 8))
845 (meta . ((interfaces . (spacing-interface spacing-spanner-interface spanner-interface))))
850 (break-align-symbol . staff-bar)
851 (bar-size-procedure . ,Span_bar::get_bar_size)
852 (print-function . ,Span_bar::print)
853 (break-visibility . ,begin-of-line-invisible)
854 (X-extent-callback . ,Span_bar::width_callback)
855 (Y-extent-callback . ())
858 (before-line-breaking-callback . ,Span_bar::before_line_breaking)
862 ;; Ross. page 151 lists other values, we opt for a leaner look
866 (hair-thickness . 1.6)
867 (thick-thickness . 6.0)
868 (meta . ((interfaces . (span-bar-interface font-interface
869 bar-line-interface item-interface ))))
873 . ((print-function . ,Text_item::print)
874 (font-family . roman)
877 (X-offset-callbacks . (,Side_position_interface::aligned_side))
879 (meta . ((interfaces . (side-position-interface stanza-number-interface text-interface font-interface item-interface ))))
885 (stem-spacing-correction . 0.4)
887 (meta . ((interfaces . (spacing-interface staff-spacing-interface item-interface ))))
891 (stem-spacing-correction . 0.5)
893 ;; Changed this from 0.75.
894 ;; If you ever change this back, please document! --hwn
895 (knee-spacing-correction . 1.0)
897 (meta . ((interfaces . (spacing-interface note-spacing-interface item-interface ))))
902 (print-function . ,Staff_symbol::print)
904 (ledger-line-thickness . (1.0 . 0.1))
906 (meta . ((interfaces . (staff-symbol-interface spanner-interface))))
911 (print-function . ,Text_item::print)
913 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
914 (no-spacing-rods . #t)
915 (padding . 0.0) ;; padding relative to SostenutoPedalLineSpanner
916 (font-family . roman)
917 (font-shape . italic)
918 (self-alignment-X . 0)
919 (meta . ((interfaces . (text-interface self-alignment-interface font-interface item-interface))))
922 (SostenutoPedalLineSpanner
925 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
926 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
930 (minimum-space . 1.0)
932 (meta . ((interfaces . (piano-pedal-interface axis-group-interface side-position-interface spanner-interface))))
938 ;; this list is rather long. Trim --hwn
939 (before-line-breaking-callback . ,Stem::before_line_breaking)
940 (print-function . ,Stem::print)
943 ;; 3.5 (or 3 measured from note head) is standar length
944 ;; 32nd, 64th flagged stems should be longer
945 (lengths . (3.5 3.5 3.5 4.5 5.0))
947 ;; Stems in unnatural (forced) direction should be shortened by
948 ;; one staff space, according to [Roush & Gourlay].
949 ;; Flagged stems we shorten only half a staff space.
950 (stem-shorten . (1.0 0.5))
952 ;; default stem direction for note on middle line
953 (neutral-direction . -1)
957 ;; FIXME. 3.5 yields too long beams (according to Ross and
958 ;; looking at Baerenreiter examples) for a number of common
959 ;; boundary cases. Subtracting half a beam thickness fixes
960 ;; this, but the bug may well be somewhere else.
962 ;; FIXME this should come from 'lengths
964 ; (beamed-lengths . (3.26 3.26 1.5))
965 (beamed-lengths . (3.5 3.5 3.5 4.5 5.0))
967 ;; We use the normal minima as minimum for the ideal lengths,
968 ;; and the extreme minima as abolute minimum length.
970 ;; The 'normal' minima
971 (beamed-minimum-free-lengths . (1.83 1.5 1.25))
973 ;; The 'extreme case' minima
974 (beamed-extreme-minimum-free-lengths . (2.0 1.25))
976 (X-offset-callbacks . (,Stem::off_callback))
977 (X-extent-callback . ,Stem::dim_callback)
978 (Y-extent-callback . ,Stem::height)
979 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
980 (adjust-if-on-staffline . #t)
981 (font-family . music)
982 (meta . ((interfaces . (stem-interface font-interface item-interface ))))
987 (print-function . ,Stem_tremolo::print)
988 (Y-extent-callback . ,Stem_tremolo::height)
989 (X-extent-callback . #f)
991 (beam-width . 1.6) ; staff-space
992 (beam-thickness . 0.48) ; staff-space
993 (meta . ((interfaces . (stem-tremolo-interface item-interface ))))
998 (X-extent-callback . #f)
999 (Y-extent-callback . #f)
1000 (meta . ((interfaces . (spacing-interface separation-item-interface item-interface ))))
1003 (SeparatingGroupSpanner
1005 (spacing-procedure . ,Separating_group_spanner::set_spacing_rods)
1006 (meta . ((interfaces . (only-prebreak-interface spacing-interface separation-spanner-interface spanner-interface))))
1011 (no-spacing-rods . #t)
1012 (print-function . ,Sustain_pedal::print)
1013 (self-alignment-X . 0)
1015 (padding . 0.0) ;; padding relative to SustainPedalLineSpanner
1016 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
1017 (meta . ((interfaces . (piano-pedal-interface text-spanner-interface text-interface self-alignment-interface font-interface item-interface))))
1020 (SustainPedalLineSpanner
1023 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1024 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1027 (staff-padding . 1.2)
1028 (minimum-space . 1.0)
1030 (meta . ((interfaces . (piano-pedal-interface axis-group-interface side-position-interface spanner-interface))))
1036 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
1037 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1038 (meta . ((interfaces . (system-interface axis-group-interface spanner-interface))))
1044 (print-function . ,System_start_delimiter::print)
1045 (collapse-height . 5.0)
1046 (font-family . braces)
1047 (Y-extent-callback . #f)
1048 (meta . ((interfaces . (system-start-delimiter-interface font-interface))))
1053 (Y-extent-callback . #f)
1054 (print-function . ,System_start_delimiter::print)
1060 (bracket-collapse-height . 1)
1062 (meta . ((interfaces . (system-start-delimiter-interface spanner-interface))))
1067 (Y-extent-callback . #f)
1068 (print-function . ,System_start_delimiter::print)
1069 (glyph . "bar-line")
1071 (after-line-breaking-callback . ,System_start_delimiter::after_line_breaking)
1072 (meta . ((interfaces . (system-start-delimiter-interface spanner-interface))))
1077 (print-function . ,Text_item::print)
1078 (no-spacing-rods . #t)
1079 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
1082 (staff-padding . 0.5)
1083 (script-priority . 200)
1084 ;; todo: add X self alignment?
1086 (font-family . roman)
1087 (meta . ((interfaces . (text-script-interface text-interface side-position-interface font-interface item-interface ))))
1091 (print-function . ,Text_item::print)
1092 (no-spacing-rods . #t)
1093 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1094 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
1096 (extra-offset . (-1 . 0))
1098 (staff-padding . 0.5)
1099 (script-priority . 200)
1100 ;; todo: add X self alignment?
1102 (font-family . roman)
1103 (font-series . bold)
1104 (meta . ((interfaces . (text-script-interface text-interface side-position-interface font-interface item-interface ))))
1108 (print-function . ,Text_spanner::print)
1109 (font-family . roman)
1110 (style . dashed-line)
1111 (staff-padding . 0.1)
1113 ;; urg, only for (de)cresc. text spanners
1114 (if-text-padding . 1.0)
1115 (dash-fraction . 0.2)
1118 (meta . ((interfaces . (text-spanner-interface side-position-interface font-interface spanner-interface))))
1123 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1124 (print-function . ,Ottava_bracket::print)
1125 (font-shape . italic)
1126 (font-family . roman)
1127 (text-repeat-if-broken . #t)
1128 (shorten-pair . (0.0 . -0.6))
1129 (staff-padding . 1.0)
1131 (minimum-length . 1.0)
1132 (dash-fraction . 0.3)
1133 (edge-height . (0 . 1.2))
1135 (meta . ((interfaces . (ottava-bracket-interface
1136 line-interface side-position-interface
1137 font-interface text-interface spanner-interface))))
1142 (font-family . roman)
1144 (print-function . ,Text_item::print)
1145 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
1146 (extra-offset . (0 . -0.65)) ;; UGH! TODO: Clean this up!
1147 (stem-attachment-function . ,tablature-stem-attachment-function)
1148 (meta . ((interfaces
1149 . (rhythmic-head-interface
1151 note-head-interface staff-symbol-referencer-interface
1152 text-interface item-interface ))))
1158 (print-function . ,Tie::print)
1159 (spacing-procedure . ,Spanner::set_spacing_rods)
1160 (staffline-clearance . 0.35)
1161 (details . ((ratio . 0.333) (height-limit . 1.0)))
1165 (minimum-length . 2.5)
1166 (meta . ((interfaces . (tie-interface spanner-interface))))
1171 (after-line-breaking-callback . ,Tie_column::after_line_breaking)
1172 (X-extent-callback . #f)
1173 (Y-extent-callback . #f)
1174 (meta . ((interfaces . (tie-column-interface spanner-interface))))
1179 (print-function . ,Time_signature::print)
1180 ; (print-function . ,Text_item::print)
1181 (break-align-symbol . time-signature)
1182 (break-visibility . ,all-visible)
1184 (first-note . (fixed-space . 2.0))
1185 (right-edge . (extra-space . 0.5))
1186 (staff-bar . (minimum-space . 2.0))
1190 ; (text . (,time-signature-glue-markup))
1191 (font-family . number)
1192 (meta . ((interfaces . (time-signature-interface break-aligned-interface font-interface item-interface ))))
1200 (edge-height . (0.7 . 0.7))
1201 (shorten-pair . (-0.2 . -0.2))
1202 (before-line-breaking-callback . ,Tuplet_bracket::before_line_breaking)
1203 (after-line-breaking-callback . ,Tuplet_bracket::after_line_breaking)
1204 (print-function . ,Tuplet_bracket::print)
1205 (font-family . roman)
1206 (font-shape . italic)
1207 (font-series . bold)
1210 (meta . ((interfaces . (text-interface line-interface tuplet-bracket-interface font-interface spanner-interface))))
1215 (print-function . ,Text_item::print)
1216 (font-family . roman)
1217 (font-shape . italic)
1218 (no-spacing-rods . #t)
1219 (self-alignment-X . 0)
1221 (padding . 0.0) ;; padding relative to UnaCordaPedalLineSpanner
1222 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
1223 (meta . ((interfaces . (text-interface self-alignment-interface font-interface item-interface ))))
1226 (UnaCordaPedalLineSpanner
1229 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1230 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1232 (staff-padding . 1.2)
1233 (minimum-space . 1.0)
1235 (meta . ((interfaces . (piano-pedal-interface axis-group-interface side-position-interface spanner-interface))))
1242 (ligature-primitive-callback . ,Vaticana_ligature::brew_ligature_primitive)
1243 (print-function . ,Vaticana_ligature::print)
1244 (meta . ((interfaces . (vaticana-ligature-interface font-interface))))
1249 (print-function . ,Volta_bracket_interface::print)
1252 (font-family . number)
1253 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1254 (thickness . 1.6) ; linethickness
1255 (height . 2.0) ; staffspace;
1257 (font-family . number)
1259 (meta . ((interfaces . (volta-bracket-interface line-interface text-interface side-position-interface font-interface spanner-interface))))
1265 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1266 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
1268 (meta . ((interfaces . (align-interface axis-group-interface spanner-interface))))
1274 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1275 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
1277 (meta . ((interfaces . (axis-group-interface spanner-interface))))
1285 (define (completize-grob-entry x)
1286 "transplant assoc key into 'name entry of 'meta of X
1288 (let* ((name-sym (car x))
1289 (grob-entry (cdr x))
1290 (metaentry (cdr (assoc 'meta grob-entry)))
1292 (cdr (assoc 'interfaces metaentry)))
1295 (set! metaentry (assoc-set! metaentry 'name name-sym))
1296 (set! metaentry (assoc-set! metaentry 'interfaces
1297 (cons 'grob-interface ifaces-entry)))
1298 (set! grob-entry (assoc-set! grob-entry 'meta metaentry))
1299 (cons name-sym grob-entry)))
1301 (set! all-grob-descriptions (map completize-grob-entry all-grob-descriptions))
1305 ; (display (map pair? all-grob-descriptions))
1308 ;; make sure that \property Foo.Bar =\turnOff doesn't complain
1311 ; (display (car x)) (newline)
1313 (set-object-property! (car x) 'translation-type? list?)
1314 (set-object-property! (car x) 'is-grob? #t))
1315 all-grob-descriptions)
1318 (set! all-grob-descriptions (sort all-grob-descriptions alist<?))