1 ;;;; grob-description.scm -- part of generated backend documentation
3 ;;;; source file of the GNU LilyPond music typesetter
5 ;;;; (c) 1998--20.301 Han-Wen Nienhuys <hanwen@cs.uu.nl>
6 ;;;; Jan Nieuwenhuizen <janneke@gnu.org>
8 ;;;; distances are given in stafflinethickness (thicknesses) and
9 ;;;; staffspace (distances)
11 ;;;; WARNING: the meta field should be the last one.
13 ;; TODO: junk the meta field in favor of something more compact?
14 (define all-grob-descriptions
18 (molecule-callback . ,Local_key_item::brew_molecule)
19 (X-offset-callbacks . (,Side_position_interface::aligned_side))
20 (after-line-breaking-callback . ,Local_key_item::after_line_breaking)
24 (paren-cautionaries . #t)
26 (meta . ,(grob-description accidentals-interface font-interface side-position-interface))
31 (X-extent-callback . ,Arpeggio::width_callback)
32 (Y-extent-callback . #f)
33 (molecule-callback . ,Arpeggio::brew_molecule)
34 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
35 (X-offset-callbacks . (,Side_position_interface::aligned_side))
37 (staff-position . 0.0)
38 (meta . ,(grob-description arpeggio-interface side-position-interface font-interface))
43 (break-align-symbol . staff-bar)
45 (break-glyph-function . ,default-break-barline)
46 (bar-size-procedure . ,Bar_line::get_staff_bar_size)
47 (molecule-callback . ,Bar_line::brew_molecule)
48 (visibility-lambda . ,all-visible)
50 (before-line-breaking-callback . ,Bar_line::before_line_breaking)
52 (time-signature . (extra-space . 0.75))
53 (custos . (minimum-space . 2.0))
54 (clef . (minimum-space . 1.0))
55 (begin-of-note . (extra-space . 1.3))
59 ;; Ross. page 151 lists other values, we opt for a leaner look
63 (hair-thickness . 1.6)
64 (thick-thickness . 6.0)
65 (meta . ,(grob-description bar-line-interface font-interface))
71 (molecule-callback . ,Text_item::brew_molecule)
73 (visibility-lambda . ,begin-of-line-visible)
77 (font-relative-size . -1)
78 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
79 (meta . ,(grob-description
80 side-position-interface
81 text-interface font-interface break-aligned-interface))
86 (molecule-callback . ,brew-bass-figure)
87 (Y-offset-callbacks . (,Side_position_interface::aligned_on_self))
89 (font-family . number)
90 (font-relative-size . -1)
94 (meta . ,(grob-description text-interface font-interface ))
98 ;; todo: clean this up a bit: the list is getting
100 (molecule-callback . ,Beam::brew_molecule)
101 (concaveness-threshold . 0.08)
102 (positions . (#f . #f))
103 (position-callbacks . (,Beam::least_squares
109 (thickness . 0.48) ; in staff-space
110 (before-line-breaking-callback . ,Beam::before_line_breaking)
111 (after-line-breaking-callback . (,Beam::after_line_breaking
112 ,Beam::end_after_line_breaking))
113 (quant-score-functions . (,Beam::score_forbidden_quants
114 ,Beam::score_slopes_dy
115 ,Beam::score_stem_lengths
117 (neutral-direction . -1)
118 (dir-function . ,beam-dir-majority-median)
119 (beamed-stem-shorten . (1.0 0.5))
120 (outer-stem-length-limit . 0.2)
122 (flag-width-function . ,default-beam-flag-width-function)
125 (font-name . "cmr10")
126 (meta . ,(grob-description beam-interface))
134 (meta . ,(grob-description
143 (X-offset-callbacks . (,Break_align_interface::alignment_callback))
145 (meta . ,(grob-description axis-group-interface))
150 (break-align-symbol . breathing-sign)
153 (key-signature . (minimum-space . 1.5))
154 (staff-bar . (minimum-space . 1.5))
155 (clef . (minimum-space . 2.0))
156 (begin-of-note . (minimum-space . 1.0))
158 (molecule-callback . ,Text_item::brew_molecule)
160 (font-family . music)
161 (text . "scripts-rcomma")
162 (Y-offset-callbacks . (,Breathing_sign::offset_callback))
163 (visibility-lambda . ,begin-of-line-invisible)
164 (meta . ,(grob-description break-aligned-interface text-interface font-interface))
169 (molecule-callback . ,Clef::brew_molecule)
170 (before-line-breaking-callback . ,Clef::before_line_breaking)
172 (font-family . music)
173 (break-align-symbol . clef)
174 (visibility-lambda . ,begin-of-line-visible)
176 (staff-bar . (minimum-space . 3.7))
177 (key-signature . (minimum-space . 4.0))
178 (time-signature . (minimum-space . 4.2))
179 (begin-of-note . (minimum-space . 5.0))
181 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
182 (meta . ,(grob-description clef-interface font-interface break-aligned-interface ))
187 (molecule-callback . ,Chord_name::brew_molecule)
188 (after-line-breaking-callback . ,Chord_name::after_line_breaking)
189 (chord-name-function . ,default-chord-name-function)
190 (font-family . roman)
191 (meta . ,(grob-description font-interface text-interface chord-name-interface))
196 (break-align-symbol . custos)
198 (molecule-callback . ,Custos::brew_molecule)
199 (visibility-lambda . ,end-of-line-visible)
201 (neutral-position . 0)
202 (neutral-direction . -1)
203 (adjust-if-on-staffline . #t)
204 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
205 (font-family . music)
207 (begin-of-note . (minimum-space . 0.0))
209 (meta . ,(grob-description custos-interface staff-symbol-referencer-interface break-aligned-interface) )
217 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
219 (X-offset-callbacks . (,Dot_column::side_position))
220 (meta . ,(grob-description dot-column-interface axis-group-interface))
225 (molecule-callback . ,Dots::brew_molecule)
227 (staff-position . 0.0)
228 (Y-offset-callbacks . (,Dots::quantised_position_callback ,Staff_symbol_referencer::callback))
229 (meta . ,(grob-description font-interface dots-interface ))
232 (DoublePercentRepeat .
234 (molecule-callback . ,Percent_repeat_item_interface::double_percent)
237 (font-family . music)
240 (break-align-symbol . staff-bar)
241 (visibility-lambda . ,begin-of-line-invisible)
242 (meta . ,(grob-description font-interface percent-repeat-interface))
247 (Y-offset-callbacks . (,Side_position_interface::aligned_on_self))
248 (molecule-callback . ,Text_item::brew_molecule)
249 (X-offset-callbacks . (,Side_position_interface::aligned_on_self))
250 (self-alignment-X . 0)
252 (no-spacing-rods . #t)
253 (script-priority . 100)
255 (font-family . dynamic)
256 (font-shape . italic)
257 (self-alignment-Y . 0)
258 (meta . ,(grob-description font-interface text-interface dynamic-interface))
265 (minimum-space . 1.2)
267 (meta . ,(grob-description dynamic-interface axis-group-interface side-position-interface))
272 (break-align-symbol . left-edge)
273 (X-offset-callbacks . (,Break_align_interface::alignment_callback))
274 (X-extent-callback . ,Grob::point_dimension_callback)
277 (time-signature . (extra-space . 0.0))
278 (staff-bar . (extra-space . 0.0))
279 (breathing-sign . (minimum-space . 0.0))
280 (clef . (extra-space . 1.0))
281 (begin-of-note . (extra-space . 0.0))
282 (key-signature . (extra-space . 0.0))
284 (meta . ,(grob-description break-aligned-interface))
289 (molecule-callback . ,Text_item::brew_molecule)
290 (X-offset-callbacks . (,Side_position_interface::centered_on_parent
291 ,Side_position_interface::aligned_on_self))
294 (self-alignment-X . 0)
295 (self-alignment-Y . 0)
296 (font-family . number)
297 (font-relative-size . -3)
298 (font-shape . upright)
299 (meta . ,(grob-description finger-interface font-interface
300 text-script-interface text-interface side-position-interface))
304 (HaraKiriVerticalGroup
306 (Y-offset-callbacks . (,Hara_kiri_group_spanner::force_hara_kiri_callback))
307 (Y-extent-callback . ,Hara_kiri_group_spanner::y_extent)
309 (meta . ,(grob-description axis-group-interface hara-kiri-group-interface))
314 (molecule-callback . ,Hairpin::brew_molecule)
317 (spacing-procedure . ,Spanner::set_spacing_rods)
318 (minimum-length . 2.0)
319 (if-text-padding . 1.0)
320 (width-correct . -1.0)
322 (dash-thickness . 1.2)
324 (self-alignment-Y . 0)
325 (Y-offset-callbacks . (,Side_position_interface::aligned_on_self))
326 (meta . ,(grob-description hairpin-interface dynamic-interface))
332 (Y-offset-callbacks . (,Side_position_interface::aligned_on_self
333 ,Side_position_interface::aligned_on_support_refpoints))
334 ;; huh? what's this for?
337 (left-edge . (extra-space . 1.0))
340 (self-alignment-Y . 0)
341 (molecule-callback . ,Text_item::brew_molecule)
342 (break-align-symbol . instrument-name)
343 (visibility-lambda . ,begin-of-line-visible)
345 (font-family . roman)
346 (meta . ,(grob-description font-interface text-interface break-aligned-interface))
351 (molecule-callback . ,Key_signature_interface::brew_molecule)
353 (time-signature . (extra-space . 1.25))
354 (staff-bar . (extra-space . 1.1))
355 (begin-of-note . (extra-space . 2.5))
357 (break-align-symbol . key-signature)
358 (visibility-lambda . ,begin-of-line-visible)
360 (meta . ,(grob-description key-signature-interface font-interface break-aligned-interface))
368 (minimum-length . 0.5)
369 (maximum-length . 100)
370 (molecule-callback . ,Hyphen_spanner::brew_molecule)
371 (Y-extent-callback . ,Grob::point_dimension_callback)
372 (meta . ,(grob-description lyric-hyphen-interface ))
377 (molecule-callback . ,Lyric_extender::brew_molecule)
378 (height . 0.8) ; stafflinethickness;
379 (right-trim-amount . 0.5)
380 (Y-extent-callback . ,Grob::point_dimension_callback)
381 (meta . ,(grob-description lyric-extender-interface))
386 (molecule-callback . ,Text_item::brew_molecule)
387 (X-offset-callbacks . (,Side_position_interface::aligned_on_self))
388 (self-alignment-X . 0)
391 (ignore-length-mismatch . #f)
392 (begin-alignment . 4)
394 (font-family . roman)
395 (font-shape . upright)
396 (meta . ,(grob-description lyric-syllable-interface text-interface font-interface ))
402 (auto-properties . #f)
404 (porrectus-width . 2.4)
405 (line-thickness . 1.0)
408 (molecule-callback . ,Porrectus::brew_molecule)
409 (meta . ,(grob-description porrectus-interface))
414 (molecule-callback . ,Text_item::brew_molecule)
415 (X-offset-callbacks . (,Side_position_interface::aligned_on_self))
416 (self-alignment-X . 0)
420 (font-family . roman)
421 (font-shape . upright)
422 (font-relative-size . 1)
423 (visibility-lambda . ,end-of-line-invisible)
425 (meta . ,(grob-description mark-interface side-position-interface))
430 (spacing-procedure . ,Multi_measure_rest::set_spacing_rods)
431 (molecule-callback . ,Multi_measure_rest::brew_molecule)
432 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
435 (padding . 2.0) ; staffspace
436 (minimum-width . 12.5) ; staffspace
437 (font-family . number)
438 (font-relative-size . 1)
439 (meta . ,(grob-description multi-measure-rest-interface rest-interface font-interface ))
445 ;; Ugh, should not be hard-coded.
447 (meta . ,(grob-description
448 note-collision-interface axis-group-interface
455 (meta . ,(grob-description axis-group-interface note-column-interface))
461 (molecule-callback . ,Note_head::brew_molecule)
462 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
463 (stem-attachment-function . ,note-head-style->attachment-coordinates)
464 (meta . ,(grob-description rhythmic-head-interface font-interface note-head-interface))
472 (X-extent-callback . #f)
473 (Y-extent-callback . #f)
474 (molecule-callback . ,Line_spanner::brew_molecule)
475 (meta . ,(grob-description line-spanner-interface))
483 (X-extent-callback . #f)
484 (Y-extent-callback . #f)
485 (molecule-callback . ,Line_spanner::brew_molecule)
486 (meta . ,(grob-description line-spanner-interface))
491 (molecule-callback . ,Text_item::brew_molecule)
492 (font-family . roman)
493 (meta . ,(grob-description note-name-interface font-interface))
498 (self-alignment-X . 0)
500 (visibility-lambda . ,begin-of-line-visible)
501 (X-offset-callbacks . (,Side_position_interface::centered_on_parent ,Side_position_interface::aligned_on_self))
502 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
503 (molecule-callback . ,Text_item::brew_molecule)
504 (font-shape . italic)
505 (font-family . roman)
506 (meta . ,(grob-description text-interface font-interface ))
512 ; (molecule-callback . ,Paper_column::brew_molecule) (font-name . "cmr8")
513 (meta . ,(grob-description paper-column-interface axis-group-interface spaceable-element-interface))
518 (molecule-callback . ,Slur::brew_molecule)
520 (spacing-procedure . ,Spanner::set_spacing_rods)
521 (minimum-length . 1.5)
522 (after-line-breaking-callback . ,Slur::after_line_breaking)
523 (extremity-rules . ,default-slur-extremity-rules)
524 (extremity-offset-alist . ,default-phrasing-slur-extremity-offset-alist)
525 (de-uglify-parameters . ( 1.5 0.8 -2.0))
526 (Y-extent-callback . ,Slur::height)
527 (details . ((height-limit . 2.0) (ratio . 0.333) (force-blowfit . 0.5)
528 (bezier-pct-c0 . -0.2) (bezier-pct-c3 . 0.000006)
529 (bezier-pct-out-max . 0.8) (bezier-pct-in-max . 1.2)
530 (bezier-area-steps . 1.0)))
533 (attachment . (#f . #f))
534 (attachment-offset . ((0 . 0) . (0 . 0)))
536 (meta . ,(grob-description slur-interface))
539 (NonMusicalPaperColumn
542 ; (molecule-callback . ,Paper_column::brew_molecule) (font-name . "cmr8")
543 (meta . ,(grob-description paper-column-interface
544 axis-group-interface spaceable-element-interface))
549 (spacing-procedure . ,Multi_measure_rest::set_spacing_rods)
550 (molecule-callback . ,Multi_measure_rest::percent)
553 (minimum-width . 12.5) ; staffspace
554 (font-family . music)
555 (meta . ,(grob-description multi-measure-rest-interface font-interface percent-repeat-interface))
558 (PianoPedalBracket ;; an example of a text spanner
560 (molecule-callback . ,Text_spanner::brew_molecule)
561 (font-family . roman)
563 (if-text-padding . 1.0)
567 (edge-width . (0.5 . 0.5))
568 (edge-height . (1.0 . 1.0))
569 (shorten-pair . (0.0 . 0.0))
573 (meta . ,(grob-description piano-pedal-interface))
578 (molecule-callback . , Percent_repeat_item_interface::beat_slash)
581 (meta . ,(grob-description percent-repeat-interface))
585 (after-line-breaking-callback . ,Rest::after_line_breaking)
586 (X-extent-callback . ,Rest::extent_callback)
587 (Y-extent-callback . ,Rest::extent_callback)
588 (molecule-callback . ,Rest::brew_molecule)
589 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
590 (minimum-beam-collision-distance . 1.5)
591 (meta . ,(grob-description
592 rhythmic-head-interface
593 staff-symbol-referencer-interface
599 (minimum-distance . 0.75)
600 (meta . ,(grob-description rest-collision-interface ))
605 ;; don't set direction here: it breaks staccato.
606 (molecule-callback . ,Script::brew_molecule)
608 (X-offset-callbacks . (,Side_position_interface::centered_on_parent))
609 (before-line-breaking-callback . ,Script::before_line_breaking)
610 (font-family . music)
611 (meta . ,(grob-description script-interface side-position-interface font-interface))
616 (before-line-breaking-callback . ,Script_column::before_line_breaking)
617 (meta . ,(grob-description script-column-interface))
622 (molecule-callback . ,Slur::brew_molecule)
624 (spacing-procedure . ,Spanner::set_spacing_rods)
625 (minimum-length . 1.5)
626 (after-line-breaking-callback . ,Slur::after_line_breaking)
627 (extremity-rules . ,default-slur-extremity-rules)
628 (extremity-offset-alist . ,default-slur-extremity-offset-alist)
629 (de-uglify-parameters . ( 1.5 0.8 -2.0))
630 (Y-extent-callback . ,Slur::height)
631 (details . ((height-limit . 2.0) (ratio . 0.333) (force-blowfit . 0.5)
632 (bezier-pct-c0 . -0.2) (bezier-pct-c3 . 0.000006)
633 (bezier-pct-out-max . 0.8) (bezier-pct-in-max . 1.2)
634 (bezier-area-steps . 1.0)))
637 (attachment . (#f . #f))
638 (attachment-offset . ((0 . 0) . (0 . 0)))
640 (meta . ,(grob-description slur-interface))
645 (spacing-procedure . ,Spacing_spanner::set_springs)
646 (grace-space-factor . 0.8)
648 (shortest-duration-space . 2.0)
649 (spacing-increment . 1.2)
651 (X-extent-callback . #f)
652 (Y-extent-callback . #f)
655 (meta . ,(grob-description spacing-spanner-interface))
660 (break-align-symbol . staff-bar)
661 (bar-size-procedure . ,Span_bar::get_bar_size)
662 (molecule-callback . ,Span_bar::brew_molecule)
663 (visibility-lambda . ,begin-of-line-invisible)
664 (X-extent-callback . ,Span_bar::width_callback)
667 (before-line-breaking-callback . ,Span_bar::before_line_breaking)
671 ;; Ross. page 151 lists other values, we opt for a leaner look
675 (hair-thickness . 1.6)
676 (thick-thickness . 6.0)
677 (meta . ,(grob-description span-bar-interface bar-line-interface ))
683 (molecule-callback . ,Text_item::brew_molecule)
684 (break-align-symbol . clef)
685 (visibility-lambda . ,begin-of-line-visible)
686 (font-family . roman)
687 (meta . ,(grob-description break-aligned-interface text-interface font-interface))
693 (X-extent-callback . #f)
694 (stem-spacing-correction . 0.4)
695 (Y-extent-callback . #f)
696 (meta . ,(grob-description staff-spacing-interface))
700 (X-extent-callback . #f)
701 (Y-extent-callback . #f)
702 (stem-spacing-correction . 0.5)
704 (meta . ,(grob-description note-spacing-interface))
709 (molecule-callback . ,Staff_symbol::brew_molecule)
713 (meta . ,(grob-description staff-symbol-interface ))
718 (molecule-callback . ,Text_item::brew_molecule)
720 (X-offset-callbacks . (,Side_position_interface::aligned_on_self))
721 (no-spacing-rods . #t)
722 (padding . 0.0) ;; padding relative to SostenutoPedalLineSpanner
724 (font-family . roman)
725 (font-shape . italic)
726 (self-alignment-X . 0)
727 (meta . ,(grob-description text-interface font-interface))
730 (SostenutoPedalLineSpanner
734 (minimum-space . 1.0)
736 (meta . ,(grob-description piano-pedal-interface axis-group-interface side-position-interface))
741 (before-line-breaking-callback . ,Stem::before_line_breaking)
742 (molecule-callback . ,Stem::brew_molecule)
744 (beamed-lengths . (0.0 2.5 2.0 1.5))
745 (beamed-minimum-lengths . (0.0 1.5 1.25 1.0))
747 ;; Stems in unnatural (forced) direction should be shortened,
748 ;; according to [Roush & Gourlay]. Their suggestion to knock off
749 ;; a whole staffspace seems a bit drastical: we'll do half.
751 (lengths . (3.5 3.5 3.5 4.5 5.0))
752 (stem-shorten . (1.0 0.5))
753 ; if stem is on middle line, choose this direction.
754 (neutral-direction . -1)
755 (X-offset-callbacks . (,Stem::off_callback))
756 (X-extent-callback . ,Stem::dim_callback)
757 (Y-extent-callback . ,Stem::height)
758 (adjust-if-on-staffline . #t)
759 (font-family . music)
760 (meta . ,(grob-description stem-interface font-interface))
765 (molecule-callback . ,Stem_tremolo::brew_molecule)
766 (Y-extent-callback . ,Stem_tremolo::height)
767 (X-extent-callback . #f)
769 (beam-width . 2.0) ; staff-space
770 (beam-thickness . 0.48) ; staff-space
771 (meta . ,(grob-description stem-tremolo-interface ))
776 (meta . ,(grob-description separation-item-interface ))
779 (SeparatingGroupSpanner
781 (spacing-procedure . ,Separating_group_spanner::set_spacing_rods)
782 (meta . ,(grob-description separation-spanner-interface))
787 (no-spacing-rods . #t)
788 (molecule-callback . ,Sustain_pedal::brew_molecule)
789 (self-alignment-X . 0)
791 (padding . 0.0) ;; padding relative to SustainPedalLineSpanner
793 (X-offset-callbacks . (,Side_position_interface::aligned_on_self))
794 (meta . ,(grob-description piano-pedal-interface side-position-interface font-interface))
797 (SustainPedalLineSpanner
801 (minimum-space . 1.0)
803 (meta . ,(grob-description piano-pedal-interface axis-group-interface side-position-interface))
809 (meta . ,(grob-description line-of-score-interface axis-group-interface))
815 (molecule-callback . ,System_start_delimiter::brew_molecule)
816 (collapse-height . 5.0)
817 (font-family . braces)
818 (Y-extent-callback . #f)
819 (meta . ,(grob-description system-start-delimiter-interface font-interface))
824 (Y-extent-callback . #f)
825 (molecule-callback . ,System_start_delimiter::brew_molecule)
831 (bracket-collapse-height . 1)
833 (meta . ,(grob-description system-start-delimiter-interface ))
838 (Y-extent-callback . #f)
839 (molecule-callback . ,System_start_delimiter::brew_molecule)
842 (after-line-breaking-callback . ,System_start_delimiter::after_line_breaking)
843 (meta . ,(grob-description system-start-delimiter-interface ))
848 (molecule-callback . ,Text_item::brew_molecule)
849 (no-spacing-rods . #t)
852 ;; todo: add X self alignment?
854 (font-family . roman)
855 (meta . ,(grob-description text-script-interface text-interface side-position-interface font-interface ))
860 (molecule-callback . ,Text_spanner::brew_molecule)
861 (font-family . roman)
864 ;; urg, only for (de)cresc. text spanners
865 (if-text-padding . 1.0)
869 (meta . ,(grob-description text-spanner-interface font-interface))
874 (molecule-callback . ,Tie::brew_molecule)
875 (spacing-procedure . ,Spanner::set_spacing_rods)
876 (staffline-clearance . 0.35)
877 (details . ((ratio . 0.333) (height-limit . 1.0)))
881 (minimum-length . 2.5)
882 (meta . ,(grob-description tie-interface ))
887 (after-line-breaking-callback . ,Tie_column::after_line_breaking)
888 (meta . ,(grob-description tie-column-interface ))
893 (molecule-callback . ,Time_signature::brew_molecule)
894 (break-align-symbol . time-signature)
895 (visibility-lambda . ,all-visible)
897 (begin-of-note . (extra-space . 2.0))
898 (staff-bar . (minimum-space . 2.0))
902 (font-family . number)
903 (meta . ,(grob-description time-signature-interface font-interface))
910 (after-line-breaking-callback . ,Tuplet_bracket::after_line_breaking)
911 (molecule-callback . ,Tuplet_bracket::brew_molecule)
912 (font-family . roman)
913 (font-shape . italic)
914 (font-relative-size . -1)
915 (meta . ,(grob-description text-interface
916 tuplet-bracket-interface font-interface))
921 (molecule-callback . ,Text_item::brew_molecule)
922 (font-family . roman)
923 (font-shape . italic)
924 (no-spacing-rods . #t)
925 (self-alignment-X . 0)
928 (padding . 0.0) ;; padding relative to UnaCordaPedalLineSpanner
929 (X-offset-callbacks . (,Side_position_interface::aligned_on_self))
930 (meta . ,(grob-description text-interface font-interface))
933 (UnaCordaPedalLineSpanner
937 (minimum-space . 1.0)
939 (meta . ,(grob-description piano-pedal-interface axis-group-interface side-position-interface))
944 (molecule-callback . ,Volta_spanner::brew_molecule)
948 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
949 (thickness . 1.6) ; stafflinethickness
950 (height . 2.0) ; staffspace;
952 (font-family . number)
953 (font-relative-size . -2)
954 (meta . ,(grob-description volta-bracket-interface side-position-interface font-interface))
960 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
961 (X-extent-callback . #f)
963 (meta . ,(grob-description align-interface axis-group-interface))
969 (meta . ,(grob-description axis-group-interface))
977 (define (completize-grob-entry x)
978 "transplant assoc key into 'name entry of 'meta of X
980 (let* ((name-sym (car x))
982 (metaentry (cdr (assoc 'meta entry)))
983 (new-metaentry (assoc-set! metaentry 'name name-sym))
986 (cons name-sym (assoc-set! entry 'meta new-metaentry))
989 (set! all-grob-descriptions (map completize-grob-entry all-grob-descriptions))
993 ; (display (map pair? all-grob-descriptions))
996 ;; make sure that \property Foo.Bar =\turnOff doesn't complain
999 ; (display (car x)) (newline)
1001 (set-object-property! (car x) 'translation-type? list?))
1002 all-grob-descriptions)