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 . ,Accidental_interface::brew_molecule)
20 (cautionary-style . smaller)
21 (after-line-breaking-callback . ,Accidental_interface::after_line_breaking) (meta . ((interfaces . (item-interface accidental-interface font-interface))))
25 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
28 (meta . ((interfaces . (item-interface accidental-placement-interface))))
34 (break-align-symbol . ambitus)
35 (molecule-callback . ,Ambitus::brew_molecule)
37 (note-head-style . "noteheads-2")
38 (visibility-lambda . ,begin-of-line-visible)
41 (clef . (extra-space . 0.0))
42 (key-signature . (extra-space . 0.0))
43 (staff-bar . (extra-space . 0.0))
44 (time-signature . (extra-space . 0.0))
45 (first-note . (extra-space . 0.0))
47 (meta . ((interfaces . (ambitus-interface staff-symbol-referencer-interface break-aligned-interface item-interface font-interface))))
52 (X-extent-callback . ,Arpeggio::width_callback)
53 (Y-extent-callback . #f)
54 (molecule-callback . ,Arpeggio::brew_molecule)
55 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
56 (X-offset-callbacks . (,Side_position_interface::aligned_side))
58 (staff-position . 0.0)
59 (meta . ((interfaces . (arpeggio-interface staff-symbol-referencer-interface side-position-interface item-interface font-interface))))
64 (break-align-symbol . staff-bar)
66 (break-glyph-function . ,default-break-barline)
67 (bar-size-procedure . ,Bar_line::get_staff_bar_size)
68 (molecule-callback . ,Bar_line::brew_molecule)
69 (break-visibility . ,all-visible)
71 (before-line-breaking-callback . ,Bar_line::before_line_breaking)
73 (time-signature . (extra-space . 0.75))
74 (custos . (minimum-space . 2.0))
75 (clef . (minimum-space . 1.0))
76 (first-note . (extra-space . 1.3))
80 ;; Ross. page 151 lists other values, we opt for a leaner look
84 (hair-thickness . 1.6)
85 (thick-thickness . 6.0)
86 (meta . ((interfaces . (bar-line-interface item-interface break-aligned-interface font-interface))))
92 (molecule-callback . ,Text_item::brew_molecule)
94 (break-visibility . ,begin-of-line-visible)
98 (font-relative-size . -1)
99 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
100 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
101 (self-alignment-X . 1)
102 (extra-offset . (1.3 . 0))
104 ((interfaces . (side-position-interface
106 self-alignment-interface
107 font-interface item-interface break-aligned-interface))))
113 (molecule-callback . ,brew-bass-figure)
114 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
116 (font-family . number)
117 (font-relative-size . -1)
121 (meta . ((interfaces . (text-interface bass-figure-interface item-interface self-alignment-interface font-interface))))
125 ;; todo: clean this up a bit: the list is getting
127 (molecule-callback . ,Beam::brew_molecule)
128 (concaveness-gap . 2.0)
129 (concaveness-threshold . 0.08)
130 (positions . (#f . #f))
131 (position-callbacks . (,Beam::least_squares
134 ,Beam::shift_region_to_valid
138 ;; TODO: should be in SLT.
139 (thickness . 0.48) ; in staff-space
140 (before-line-breaking-callback . ,Beam::before_line_breaking)
141 (after-line-breaking-callback . ,Beam::after_line_breaking)
142 (neutral-direction . -1)
143 (dir-function . ,beam-dir-majority-median)
144 (beamed-stem-shorten . (1.0 0.5))
145 (outer-stem-length-limit . 0.2)
147 (flag-width-function . ,default-beam-flag-width-function)
149 (auto-knee-gap . 5.5)
150 (font-name . "cmr10")
151 (space-function . ,Beam::space_function)
152 (meta . ((interfaces . (staff-symbol-referencer-interface beam-interface spanner-interface))))
160 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
161 (meta . ((interfaces . (break-alignment-interface item-interface axis-group-interface)))))
167 (X-offset-callbacks . (,Break_align_interface::alignment_callback))
168 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
169 (meta . ((interfaces . (break-aligned-interface item-interface axis-group-interface item-interface ))))
174 (break-align-symbol . breathing-sign)
177 (ambitus . (extra-space . 2.0))
178 (key-signature . (minimum-space . 1.5))
179 (staff-bar . (minimum-space . 1.5))
180 (clef . (minimum-space . 2.0))
181 (first-note . (minimum-space . 1.0))
183 (molecule-callback . ,Text_item::brew_molecule)
185 (font-family . music)
186 (text . "scripts-rcomma")
187 (Y-offset-callbacks . (,Breathing_sign::offset_callback))
188 (break-visibility . ,begin-of-line-invisible)
189 (meta . ((interfaces . (break-aligned-interface breathing-sign-interface text-interface font-interface item-interface ))))
194 (molecule-callback . ,Clef::brew_molecule)
195 (before-line-breaking-callback . ,Clef::before_line_breaking)
197 (font-family . music)
198 (break-align-symbol . clef)
199 (break-visibility . ,begin-of-line-visible)
201 (ambitus . (extra-space . 2.0))
202 (staff-bar . (minimum-space . 3.7))
203 (key-signature . (minimum-space . 4.0))
204 (time-signature . (minimum-space . 4.2))
205 (first-note . (minimum-space . 5.0))
206 (next-note . (extra-space . 0.5))
208 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
209 (meta . ((interfaces . (clef-interface staff-symbol-referencer-interface font-interface break-aligned-interface item-interface ))))
214 (molecule-callback . ,Chord_name::brew_molecule)
215 (after-line-breaking-callback . ,Chord_name::after_line_breaking)
216 (chord-name-function . ,default-chord-name-function)
217 (font-family . roman)
218 (meta . ((interfaces . (font-interface text-interface chord-name-interface item-interface ))))
223 (break-align-symbol . custos)
225 (molecule-callback . ,Custos::brew_molecule)
226 (break-visibility . ,end-of-line-visible)
228 (neutral-position . 0)
229 (neutral-direction . -1)
230 (adjust-if-on-staffline . #t)
231 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
232 (font-family . ancient)
234 (first-note . (minimum-space . 0.0))
236 (meta . ((interfaces . (custos-interface staff-symbol-referencer-interface break-aligned-interface item-interface ))))
244 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
245 (X-offset-callbacks . (,Dot_column::side_position))
246 (meta . ((interfaces . (dot-column-interface axis-group-interface item-interface ))))
251 (molecule-callback . ,Dots::brew_molecule)
253 (Y-offset-callbacks . (,Dots::quantised_position_callback ,Staff_symbol_referencer::callback))
254 (meta . ((interfaces . (font-interface staff-symbol-referencer-interface dots-interface item-interface ))))
257 (DoublePercentRepeat .
259 (molecule-callback . ,Percent_repeat_item_interface::double_percent)
262 (font-family . music)
265 (break-align-symbol . staff-bar)
266 (break-visibility . ,begin-of-line-invisible)
267 (meta . ((interfaces . (font-interface
268 break-aligned-interface
269 percent-repeat-interface item-interface ))))
274 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
275 (molecule-callback . ,Text_item::brew_molecule)
276 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self
277 ,Self_alignment_interface::centered_on_parent))
278 (self-alignment-X . 0)
279 (no-spacing-rods . #t)
280 (script-priority . 100)
282 (font-family . dynamic)
283 (font-shape . italic)
284 (self-alignment-Y . 0)
285 (meta . ((interfaces . (font-interface text-interface self-alignment-interface dynamic-interface item-interface ))))
291 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
292 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
294 (minimum-space . 1.2)
296 (meta . ((interfaces . (dynamic-interface axis-group-interface side-position-interface spanner-interface))))
301 (break-align-symbol . left-edge)
302 (X-offset-callbacks . (,Break_align_interface::alignment_callback))
303 (X-extent-callback . ,Grob::point_dimension_callback)
306 (custos . (extra-space . 0.0))
307 (ambitus . (extra-space . 2.0))
308 (time-signature . (extra-space . 0.0))
309 (staff-bar . (extra-space . 0.0))
310 (breathing-sign . (minimum-space . 0.0))
311 (clef . (extra-space . 1.0))
312 (first-note . (extra-space . 0.0))
313 (key-signature . (extra-space . 0.0))
315 (meta . ((interfaces . (break-aligned-interface item-interface ))))
320 (molecule-callback . ,Text_item::brew_molecule)
321 (X-offset-callbacks . (,Self_alignment_interface::centered_on_parent
322 ,Self_alignment_interface::aligned_on_self))
325 (self-alignment-X . 0)
326 (self-alignment-Y . 0)
327 (script-priority . 100)
328 (font-family . number)
329 (font-relative-size . -3)
330 (font-shape . upright)
331 (meta . ((interfaces . (finger-interface font-interface text-script-interface text-interface side-position-interface self-alignment-interface item-interface ))))
335 (HaraKiriVerticalGroup
337 (Y-offset-callbacks . (,Hara_kiri_group_spanner::force_hara_kiri_callback))
338 (Y-extent-callback . ,Hara_kiri_group_spanner::y_extent)
340 (meta . ((interfaces . (axis-group-interface hara-kiri-group-interface item-interface spanner-interface))))
345 (molecule-callback . ,Hairpin::brew_molecule)
348 (spacing-procedure . ,Spanner::set_spacing_rods)
349 (minimum-length . 2.0)
350 (if-text-padding . 1.0)
351 (width-correct . -1.0)
353 (dash-thickness . 1.2)
355 (self-alignment-Y . 0)
356 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
357 (meta . ((interfaces . (hairpin-interface self-alignment-interface dynamic-interface spanner-interface))))
363 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self
364 ,Side_position_interface::aligned_on_support_refpoints))
365 ;; huh? what's this for?
368 (left-edge . (extra-space . 1.0))
371 (self-alignment-Y . 0)
372 (molecule-callback . ,Text_item::brew_molecule)
373 (break-align-symbol . instrument-name)
374 (break-visibility . ,begin-of-line-visible)
376 (font-family . roman)
377 (meta . ((interfaces . (font-interface self-alignment-interface side-position-interface text-interface break-aligned-interface item-interface ))))
382 (molecule-callback . ,Key_signature_interface::brew_molecule)
384 (time-signature . (extra-space . 1.25))
385 (staff-bar . (extra-space . 1.1))
386 (first-note . (extra-space . 2.5))
388 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
389 (break-align-symbol . key-signature)
390 (break-visibility . ,begin-of-line-visible)
392 (meta . ((interfaces . (key-signature-interface font-interface break-aligned-interface item-interface ))))
397 (molecule-callback . ,Ligature_bracket::brew_molecule)
398 (meta . ((interfaces . (ligature-interface))))
405 (ligature-primitive-callback . ,Note_head::brew_molecule)
406 (molecule-callback . ,Ligature_bracket::brew_molecule)
407 (meta . ((interfaces . (ligature-bracket-interface spanner-interface))))
412 (ligature-primitive-callback . ,Note_head::brew_molecule)
413 (molecule-callback . ,Ligature_head::brew_molecule)
414 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
415 (stem-attachment-function . ,note-head-style->attachment-coordinates)
416 (font-family . ancient)
418 (meta . ((interfaces . (ligature-head-interface rhythmic-head-interface note-head-interface staff-symbol-referencer-interface))))
425 (minimum-length . 0.5)
426 (maximum-length . 100)
427 (molecule-callback . ,Hyphen_spanner::brew_molecule)
428 (Y-extent-callback . ,Grob::point_dimension_callback)
429 (meta . ((interfaces . (lyric-hyphen-interface spanner-interface))))
434 (molecule-callback . ,Lyric_extender::brew_molecule)
435 (height . 0.8) ; stafflinethickness;
436 (right-trim-amount . 0.5)
437 (Y-extent-callback . ,Grob::point_dimension_callback)
438 (meta . ((interfaces . (lyric-extender-interface spanner-interface))))
443 (molecule-callback . ,Text_item::brew_molecule)
444 (X-offset-callbacks . (,Self_alignment_interface::centered_on_parent
445 ,Self_alignment_interface::aligned_on_self))
446 (self-alignment-X . 0)
448 (ignore-length-mismatch . #f)
449 (begin-alignment . 4)
451 (font-family . roman)
452 (font-shape . upright)
454 ;; duh, side-position-interface?
455 (meta . ((interfaces . (lyric-syllable-interface self-alignment-interface text-interface font-interface item-interface ))))
462 (ligature-primitive-callback . ,Mensural_ligature::brew_ligature_primitive)
463 (molecule-callback . ,Mensural_ligature::brew_molecule)
464 (font-family . ancient)
465 (meta . ((interfaces . (mensural-ligature-interface))))
471 (auto-properties . #f)
477 (molecule-callback . ,Porrectus::brew_molecule)
478 (meta . ((interfaces . (porrectus-interface))))
483 (molecule-callback . ,Text_item::brew_molecule)
484 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
485 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
486 (self-alignment-X . 0)
490 (font-family . roman)
492 (break-visibility . ,end-of-line-invisible)
494 (meta . ((interfaces . (text-interface side-position-interface font-interface mark-interface self-alignment-interface item-interface ))))
499 (spacing-procedure . ,Multi_measure_rest::set_spacing_rods)
500 (molecule-callback . ,Multi_measure_rest::brew_molecule)
501 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
504 (number-threshold . 1)
507 (font-family . number)
509 (meta . ((interfaces . (multi-measure-rest-interface rest-interface font-interface staff-symbol-referencer-interface spanner-interface))))
515 ;; Ugh, should not be hard-coded.
517 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
518 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
519 (meta . ((interfaces . (note-collision-interface axis-group-interface item-interface ))))
525 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
526 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
527 (meta . ((interfaces . (axis-group-interface note-column-interface item-interface ))))
533 (molecule-callback . ,Note_head::brew_molecule)
534 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
535 (stem-attachment-function . ,note-head-style->attachment-coordinates)
536 (meta . ((interfaces . (rhythmic-head-interface font-interface note-head-interface staff-symbol-referencer-interface item-interface ))))
544 (X-extent-callback . #f)
545 (Y-extent-callback . #f)
546 (molecule-callback . ,Line_spanner::brew_molecule)
547 (meta . ((interfaces . (line-spanner-interface spanner-interface))))
555 (X-extent-callback . #f)
556 (Y-extent-callback . #f)
557 (molecule-callback . ,Line_spanner::brew_molecule)
558 (meta . ((interfaces . (line-spanner-interface spanner-interface))))
563 (molecule-callback . ,Text_item::brew_molecule)
564 (font-family . roman)
565 (meta . ((interfaces . (note-name-interface text-interface font-interface item-interface ))))
570 (self-alignment-X . 0)
572 (break-visibility . ,begin-of-line-visible)
573 (X-offset-callbacks . (,Self_alignment_interface::centered_on_parent ,Self_alignment_interface::aligned_on_self))
574 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
575 (molecule-callback . ,Text_item::brew_molecule)
576 (font-shape . italic)
578 (font-relative-size . -2)
579 (font-family . roman)
580 (meta . ((interfaces . (text-interface self-alignment-interface side-position-interface font-interface item-interface ))))
586 (before-line-breaking-callback . ,Paper_column::before_line_breaking)
587 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
589 ; (molecule-callback . ,Paper_column::brew_molecule) (font-name . "cmr8") (Y-extent-callback . #f)
590 (meta . ((interfaces . (paper-column-interface axis-group-interface spaceable-grob-interface item-interface ))))
595 (molecule-callback . ,Slur::brew_molecule)
597 (spacing-procedure . ,Spanner::set_spacing_rods)
598 (minimum-length . 1.5)
599 (after-line-breaking-callback . ,Slur::after_line_breaking)
600 (extremity-rules . ,default-slur-extremity-rules)
601 (extremity-offset-alist . ,default-phrasing-slur-extremity-offset-alist)
602 (de-uglify-parameters . (1.5 0.8 -2.0))
603 (Y-extent-callback . ,Slur::height)
604 (details . ((height-limit . 2.0) (ratio . 0.333) (force-blowfit . 0.5)
605 (bezier-pct-c0 . -0.2) (bezier-pct-c3 . 0.000006)
606 (bezier-pct-out-max . 0.8) (bezier-pct-in-max . 1.2)
607 (bezier-area-steps . 1.0)))
610 (attachment . (#f . #f))
611 (attachment-offset . ((0 . 0) . (0 . 0)))
613 (meta . ((interfaces . (slur-interface spanner-interface))))
616 (NonMusicalPaperColumn
619 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
620 (before-line-breaking-callback . ,Paper_column::before_line_breaking)
621 ;; debugging stuff: print column number.
622 ; (molecule-callback . ,Paper_column::brew_molecule) (font-name . "cmr8") (Y-extent-callback . #f)
625 (meta . ((interfaces . (paper-column-interface axis-group-interface spaceable-grob-interface item-interface ))))
630 (spacing-procedure . ,Multi_measure_rest::set_spacing_rods)
631 (molecule-callback . ,Multi_measure_rest::percent)
634 (minimum-width . 12.5) ; staffspace
635 (font-family . music)
636 (meta . ((interfaces . (multi-measure-rest-interface spanner-interface font-interface percent-repeat-interface))))
639 (PianoPedalBracket ;; an example of a text spanner
641 (molecule-callback . ,Text_spanner::brew_molecule)
642 (font-family . roman)
644 (if-text-padding . 1.0)
648 (edge-widen . (0.5 . 0.5))
649 (edge-height . (1.0 . 1.0))
650 (shorten-pair . (0.0 . 0.0))
652 (meta . ((interfaces . (text-spanner-interface piano-pedal-interface spanner-interface))))
657 (molecule-callback . , Percent_repeat_item_interface::beat_slash)
660 (meta . ((interfaces . (percent-repeat-interface item-interface ))))
664 (after-line-breaking-callback . ,Rest::after_line_breaking)
665 (X-extent-callback . ,Rest::extent_callback)
666 (Y-extent-callback . ,Rest::extent_callback)
667 (molecule-callback . ,Rest::brew_molecule)
668 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
669 (minimum-beam-collision-distance . 1.5)
671 (interfaces . (font-interface
672 rhythmic-head-interface
673 staff-symbol-referencer-interface
674 rest-interface item-interface ))
679 (minimum-distance . 0.75)
680 (meta . ((interfaces . (rest-collision-interface item-interface ))))
685 ;; don't set direction here: it breaks staccato.
686 (molecule-callback . ,Script_interface::brew_molecule)
688 ;; This value is sensitive: if too large, staccato dots will move a
691 ;; (script-priority . 0) priorities for scripts, see script.scm
692 (X-offset-callbacks . (,Self_alignment_interface::centered_on_parent))
693 (before-line-breaking-callback . ,Script_interface::before_line_breaking)
694 (font-family . music)
695 (meta . ((interfaces . (script-interface side-position-interface font-interface item-interface ))))
700 (before-line-breaking-callback . ,Script_column::before_line_breaking)
701 (meta . ((interfaces . (script-column-interface item-interface ))))
706 (molecule-callback . ,Slur::brew_molecule)
708 (spacing-procedure . ,Spanner::set_spacing_rods)
709 (minimum-length . 1.5)
710 (after-line-breaking-callback . ,Slur::after_line_breaking)
711 (extremity-rules . ,default-slur-extremity-rules)
712 (extremity-offset-alist . ,default-slur-extremity-offset-alist)
713 (de-uglify-parameters . (1.5 0.8 -2.0))
714 (Y-extent-callback . ,Slur::height)
715 (details . ((height-limit . 2.0) (ratio . 0.333) (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)))
721 (attachment . (#f . #f))
722 (attachment-offset . ((0 . 0) . (0 . 0)))
724 (meta . ((interfaces . (slur-interface spanner-interface))))
729 (spacing-procedure . ,Spacing_spanner::set_springs)
730 (grace-space-factor . 0.6)
731 (shortest-duration-space . 2.0)
732 (spacing-increment . 1.2)
733 (base-shortest-duration . ,(make-moment 1 8))
734 (meta . ((interfaces . (spacing-interface spacing-spanner-interface spanner-interface))))
739 (break-align-symbol . staff-bar)
740 (bar-size-procedure . ,Span_bar::get_bar_size)
741 (molecule-callback . ,Span_bar::brew_molecule)
742 (break-visibility . ,begin-of-line-invisible)
743 (X-extent-callback . ,Span_bar::width_callback)
744 (Y-extent-callback . ())
747 (before-line-breaking-callback . ,Span_bar::before_line_breaking)
751 ;; Ross. page 151 lists other values, we opt for a leaner look
755 (hair-thickness . 1.6)
756 (thick-thickness . 6.0)
757 (meta . ((interfaces . (span-bar-interface bar-line-interface item-interface ))))
763 (molecule-callback . ,Text_item::brew_molecule)
764 (break-align-symbol . clef)
765 (break-visibility . ,begin-of-line-visible)
766 (font-family . roman)
767 (meta . ((interfaces . (break-aligned-interface text-interface font-interface item-interface ))))
773 (stem-spacing-correction . 0.4)
774 (knee-spacing-correction . 0.75)
775 (meta . ((interfaces . (spacing-interface staff-spacing-interface item-interface ))))
779 (stem-spacing-correction . 0.5)
780 (knee-spacing-correction . 0.75)
781 (meta . ((interfaces . (spacing-interface note-spacing-interface item-interface ))))
786 (molecule-callback . ,Staff_symbol::brew_molecule)
789 (meta . ((interfaces . (staff-symbol-interface spanner-interface))))
794 (molecule-callback . ,Text_item::brew_molecule)
796 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
797 (no-spacing-rods . #t)
798 (padding . 0.0) ;; padding relative to SostenutoPedalLineSpanner
800 (font-family . roman)
801 (font-shape . italic)
802 (self-alignment-X . 0)
803 (meta . ((interfaces . (text-interface self-alignment-interface font-interface item-interface))))
806 (SostenutoPedalLineSpanner
809 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
812 (minimum-space . 1.0)
814 (meta . ((interfaces . (piano-pedal-interface axis-group-interface side-position-interface spanner-interface))))
819 (before-line-breaking-callback . ,Stem::before_line_breaking)
820 (molecule-callback . ,Stem::brew_molecule)
822 (beamed-lengths . (0.0 2.5 2.0 1.5))
825 (beamed-minimum-lengths . (0.0 1.5 1.25 1.0))
827 ;; Stems in unnatural (forced) direction should be shortened,
828 ;; according to [Roush & Gourlay]. Their suggestion to knock off
829 ;; a whole staffspace seems a bit drastical: we'll do half.
831 (lengths . (3.5 3.5 3.5 4.5 5.0))
832 (stem-shorten . (1.0 0.5))
833 ; if stem is on middle line, choose this direction.
834 (neutral-direction . -1)
835 (X-offset-callbacks . (,Stem::off_callback))
836 (X-extent-callback . ,Stem::dim_callback)
837 (Y-extent-callback . ,Stem::height)
838 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
839 (adjust-if-on-staffline . #t)
840 (font-family . music)
841 (avoid-note-head . #f)
843 (meta . ((interfaces . (stem-interface font-interface item-interface ))))
848 (molecule-callback . ,Stem_tremolo::brew_molecule)
849 (Y-extent-callback . ,Stem_tremolo::height)
850 (X-extent-callback . #f)
852 (beam-width . 1.6) ; staff-space
853 (beam-thickness . 0.48) ; staff-space
854 (meta . ((interfaces . (stem-tremolo-interface item-interface ))))
859 (meta . ((interfaces . (spacing-interface separation-item-interface item-interface ))))
862 (SeparatingGroupSpanner
864 (spacing-procedure . ,Separating_group_spanner::set_spacing_rods)
865 (meta . ((interfaces . (spacing-interface separation-spanner-interface spanner-interface))))
870 (no-spacing-rods . #t)
871 (molecule-callback . ,Sustain_pedal::brew_molecule)
872 (self-alignment-X . 0)
874 (padding . 0.0) ;; padding relative to SustainPedalLineSpanner
876 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
877 (meta . ((interfaces . (piano-pedal-interface text-spanner-interface text-interface self-alignment-interface font-interface item-interface))))
880 (SustainPedalLineSpanner
883 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
886 (minimum-space . 1.0)
888 (meta . ((interfaces . (piano-pedal-interface axis-group-interface side-position-interface spanner-interface))))
894 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
895 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
896 (meta . ((interfaces . (system-interface axis-group-interface spanner-interface))))
902 (molecule-callback . ,System_start_delimiter::brew_molecule)
903 (collapse-height . 5.0)
904 (font-family . braces)
905 (Y-extent-callback . #f)
906 (meta . ((interfaces . (system-start-delimiter-interface font-interface))))
911 (Y-extent-callback . #f)
912 (molecule-callback . ,System_start_delimiter::brew_molecule)
918 (bracket-collapse-height . 1)
920 (meta . ((interfaces . (system-start-delimiter-interface spanner-interface))))
925 (Y-extent-callback . #f)
926 (molecule-callback . ,System_start_delimiter::brew_molecule)
929 (after-line-breaking-callback . ,System_start_delimiter::after_line_breaking)
930 (meta . ((interfaces . (system-start-delimiter-interface spanner-interface))))
935 (molecule-callback . ,Text_item::brew_molecule)
936 (no-spacing-rods . #t)
939 (script-priority . 200)
940 ;; todo: add X self alignment?
942 (font-family . roman)
943 (meta . ((interfaces . (text-script-interface text-interface side-position-interface font-interface item-interface ))))
948 (molecule-callback . ,Text_spanner::brew_molecule)
949 (font-family . roman)
952 ;; urg, only for (de)cresc. text spanners
953 (if-text-padding . 1.0)
957 (meta . ((interfaces . (text-spanner-interface side-position-interface font-interface spanner-interface))))
962 (font-family . roman)
964 (molecule-callback . ,tablature-molecule-callback)
965 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
966 (stem-attachment-function . ,tablature-stem-attachment-function)
967 (meta . ((interfaces . (rhythmic-head-interface font-interface note-head-interface staff-symbol-referencer-interface item-interface ))))
973 (molecule-callback . ,Tie::brew_molecule)
974 (spacing-procedure . ,Spanner::set_spacing_rods)
975 (staffline-clearance . 0.35)
976 (details . ((ratio . 0.333) (height-limit . 1.0)))
980 (minimum-length . 2.5)
981 (meta . ((interfaces . (tie-interface spanner-interface))))
986 (after-line-breaking-callback . ,Tie_column::after_line_breaking)
987 (X-extent-callback . ())
988 (Yoo-extent-callback . ())
989 (meta . ((interfaces . (tie-column-interface spanner-interface))))
994 (molecule-callback . ,Time_signature::brew_molecule)
995 (break-align-symbol . time-signature)
996 (break-visibility . ,all-visible)
998 (first-note . (extra-space . 2.0))
999 (staff-bar . (minimum-space . 2.0))
1003 (font-family . number)
1004 (meta . ((interfaces . (time-signature-interface break-aligned-interface font-interface item-interface ))))
1012 (edge-widen . (0.0 . 0.0))
1013 (edge-height . (0.7 . 0.7))
1014 (shorten-pair . (-0.2 . -0.2))
1015 (before-line-breaking-callback . ,Tuplet_bracket::before_line_breaking)
1016 (after-line-breaking-callback . ,Tuplet_bracket::after_line_breaking)
1017 (molecule-callback . ,Tuplet_bracket::brew_molecule)
1018 (font-family . roman)
1019 (font-shape . italic)
1021 (font-relative-size . -1)
1022 (meta . ((interfaces . (text-interface tuplet-bracket-interface font-interface spanner-interface))))
1027 (molecule-callback . ,Text_item::brew_molecule)
1028 (font-family . roman)
1029 (font-shape . italic)
1030 (no-spacing-rods . #t)
1031 (self-alignment-X . 0)
1034 (padding . 0.0) ;; padding relative to UnaCordaPedalLineSpanner
1035 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
1036 (meta . ((interfaces . (text-interface self-alignment-interface font-interface item-interface ))))
1039 (UnaCordaPedalLineSpanner
1042 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1044 (minimum-space . 1.0)
1046 (meta . ((interfaces . (piano-pedal-interface axis-group-interface side-position-interface spanner-interface))))
1051 (molecule-callback . ,Volta_bracket_interface::brew_molecule)
1054 (font-style . volta)
1055 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1056 (thickness . 1.6) ; stafflinethickness
1057 (height . 2.0) ; staffspace;
1059 (font-family . number)
1060 (font-relative-size . -2)
1061 (meta . ((interfaces . (volta-bracket-interface text-interface side-position-interface font-interface spanner-interface))))
1067 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1069 (meta . ((interfaces . (align-interface axis-group-interface spanner-interface))))
1075 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1077 (meta . ((interfaces . (axis-group-interface spanner-interface))))
1085 (define (completize-grob-entry x)
1086 "transplant assoc key into 'name entry of 'meta of X
1089 (let* ((name-sym (car x))
1090 (grob-entry (cdr x))
1091 (metaentry (cdr (assoc 'meta grob-entry)))
1093 (cdr (assoc 'interfaces metaentry)))
1096 (set! metaentry (assoc-set! metaentry 'name name-sym))
1097 (set! metaentry (assoc-set! metaentry 'interfaces
1098 (cons 'grob-interface ifaces-entry)))
1099 (set! grob-entry (assoc-set! grob-entry 'meta metaentry))
1100 (cons name-sym grob-entry)))
1102 (set! all-grob-descriptions (map completize-grob-entry all-grob-descriptions))
1106 ; (display (map pair? all-grob-descriptions))
1109 ;; make sure that \property Foo.Bar =\turnOff doesn't complain
1112 ; (display (car x)) (newline)
1114 (set-object-property! (car x) 'translation-type? list?)
1115 (set-object-property! (car x) 'is-grob? #t))
1116 all-grob-descriptions)
1119 (set! all-grob-descriptions (sort all-grob-descriptions alist<?))