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 . ,Accidental_placement::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)
151 (font-name . "cmr10")
152 (space-function . ,Beam::space_function)
153 (meta . ((interfaces . (staff-symbol-referencer-interface beam-interface spanner-interface))))
161 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
162 (meta . ((interfaces . (break-alignment-interface item-interface axis-group-interface)))))
168 (X-offset-callbacks . (,Break_align_interface::alignment_callback))
169 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
170 (meta . ((interfaces . (break-aligned-interface item-interface axis-group-interface item-interface ))))
175 (break-align-symbol . breathing-sign)
178 (ambitus . (extra-space . 2.0))
179 (key-signature . (minimum-space . 1.5))
180 (staff-bar . (minimum-space . 1.5))
181 (clef . (minimum-space . 2.0))
182 (first-note . (minimum-space . 1.0))
184 (molecule-callback . ,Text_item::brew_molecule)
186 (font-family . music)
187 (text . "scripts-rcomma")
188 (Y-offset-callbacks . (,Breathing_sign::offset_callback))
189 (break-visibility . ,begin-of-line-invisible)
190 (meta . ((interfaces . (break-aligned-interface breathing-sign-interface text-interface font-interface item-interface ))))
195 (molecule-callback . ,Clef::brew_molecule)
196 (before-line-breaking-callback . ,Clef::before_line_breaking)
198 (font-family . music)
199 (break-align-symbol . clef)
200 (break-visibility . ,begin-of-line-visible)
202 (ambitus . (extra-space . 2.0))
203 (staff-bar . (minimum-space . 3.7))
204 (key-signature . (minimum-space . 4.0))
205 (time-signature . (minimum-space . 4.2))
206 (first-note . (minimum-space . 5.0))
207 (next-note . (extra-space . 0.5))
209 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
210 (meta . ((interfaces . (clef-interface staff-symbol-referencer-interface font-interface break-aligned-interface item-interface ))))
215 (molecule-callback . ,Chord_name::brew_molecule)
216 (after-line-breaking-callback . ,Chord_name::after_line_breaking)
217 (chord-name-function . ,default-chord-name-function)
218 (font-family . roman)
219 (meta . ((interfaces . (font-interface text-interface chord-name-interface item-interface ))))
224 (break-align-symbol . custos)
226 (molecule-callback . ,Custos::brew_molecule)
227 (break-visibility . ,end-of-line-visible)
229 (neutral-position . 0)
230 (neutral-direction . -1)
231 (adjust-if-on-staffline . #t)
232 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
233 (font-family . ancient)
235 (first-note . (minimum-space . 0.0))
237 (meta . ((interfaces . (custos-interface staff-symbol-referencer-interface break-aligned-interface item-interface ))))
245 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
246 (X-offset-callbacks . (,Dot_column::side_position))
247 (meta . ((interfaces . (dot-column-interface axis-group-interface item-interface ))))
252 (molecule-callback . ,Dots::brew_molecule)
254 (Y-offset-callbacks . (,Dots::quantised_position_callback ,Staff_symbol_referencer::callback))
255 (meta . ((interfaces . (font-interface staff-symbol-referencer-interface dots-interface item-interface ))))
258 (DoublePercentRepeat .
260 (molecule-callback . ,Percent_repeat_item_interface::double_percent)
263 (font-family . music)
266 (break-align-symbol . staff-bar)
267 (break-visibility . ,begin-of-line-invisible)
268 (meta . ((interfaces . (font-interface
269 break-aligned-interface
270 percent-repeat-interface item-interface ))))
275 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
276 (molecule-callback . ,Text_item::brew_molecule)
277 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self
278 ,Self_alignment_interface::centered_on_parent))
279 (self-alignment-X . 0)
280 (no-spacing-rods . #t)
281 (script-priority . 100)
283 (font-family . dynamic)
284 (font-shape . italic)
285 (self-alignment-Y . 0)
286 (meta . ((interfaces . (font-interface text-interface self-alignment-interface dynamic-interface item-interface ))))
292 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
293 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
295 (minimum-space . 1.2)
297 (meta . ((interfaces . (dynamic-interface axis-group-interface side-position-interface spanner-interface))))
302 (break-align-symbol . left-edge)
303 (X-offset-callbacks . (,Break_align_interface::alignment_callback))
304 (X-extent-callback . ,Grob::point_dimension_callback)
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::aligned_on_self))
445 (self-alignment-X . 0)
447 (ignore-length-mismatch . #f)
448 (begin-alignment . 4)
450 (font-family . roman)
451 (font-shape . upright)
452 ;; duh, side-position-interface?
453 (meta . ((interfaces . (lyric-syllable-interface self-alignment-interface text-interface font-interface item-interface ))))
460 (ligature-primitive-callback . ,Mensural_ligature::brew_ligature_primitive)
461 (molecule-callback . ,Mensural_ligature::brew_molecule)
462 (font-family . ancient)
463 (meta . ((interfaces . (mensural-ligature-interface))))
469 (auto-properties . #f)
475 (molecule-callback . ,Porrectus::brew_molecule)
476 (meta . ((interfaces . (porrectus-interface))))
481 (molecule-callback . ,Text_item::brew_molecule)
482 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
483 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
484 (self-alignment-X . 0)
488 (font-family . roman)
489 (break-visibility . ,end-of-line-invisible)
491 (meta . ((interfaces . (text-interface side-position-interface font-interface mark-interface self-alignment-interface item-interface ))))
496 (spacing-procedure . ,Multi_measure_rest::set_spacing_rods)
497 (molecule-callback . ,Multi_measure_rest::brew_molecule)
498 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
501 (number-threshold . 1)
504 (font-family . number)
506 (meta . ((interfaces . (multi-measure-rest-interface rest-interface font-interface staff-symbol-referencer-interface spanner-interface))))
512 ;; Ugh, should not be hard-coded.
514 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
515 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
516 (meta . ((interfaces . (note-collision-interface axis-group-interface item-interface ))))
522 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
523 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
524 (meta . ((interfaces . (axis-group-interface note-column-interface item-interface ))))
530 (molecule-callback . ,Note_head::brew_molecule)
531 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
532 (stem-attachment-function . ,note-head-style->attachment-coordinates)
533 (meta . ((interfaces . (rhythmic-head-interface font-interface note-head-interface staff-symbol-referencer-interface item-interface ))))
541 (X-extent-callback . #f)
542 (Y-extent-callback . #f)
543 (molecule-callback . ,Line_spanner::brew_molecule)
544 (meta . ((interfaces . (line-spanner-interface spanner-interface))))
552 (X-extent-callback . #f)
553 (Y-extent-callback . #f)
554 (molecule-callback . ,Line_spanner::brew_molecule)
555 (meta . ((interfaces . (line-spanner-interface spanner-interface))))
560 (molecule-callback . ,Text_item::brew_molecule)
561 (font-family . roman)
562 (meta . ((interfaces . (note-name-interface text-interface font-interface item-interface ))))
567 (self-alignment-X . 0)
569 (break-visibility . ,begin-of-line-visible)
570 (X-offset-callbacks . (,Self_alignment_interface::centered_on_parent ,Self_alignment_interface::aligned_on_self))
571 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
572 (molecule-callback . ,Text_item::brew_molecule)
573 (font-shape . italic)
574 (font-family . roman)
575 (meta . ((interfaces . (text-interface self-alignment-interface side-position-interface font-interface item-interface ))))
581 (before-line-breaking-callback . ,Paper_column::before_line_breaking)
582 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
584 ; (molecule-callback . ,Paper_column::brew_molecule) (font-name . "cmr8") (Y-extent-callback . #f)
585 (meta . ((interfaces . (paper-column-interface axis-group-interface spaceable-grob-interface item-interface ))))
590 (molecule-callback . ,Slur::brew_molecule)
592 (spacing-procedure . ,Spanner::set_spacing_rods)
593 (minimum-length . 1.5)
594 (after-line-breaking-callback . ,Slur::after_line_breaking)
595 (extremity-rules . ,default-slur-extremity-rules)
596 (extremity-offset-alist . ,default-phrasing-slur-extremity-offset-alist)
597 (de-uglify-parameters . (1.5 0.8 -2.0))
598 (Y-extent-callback . ,Slur::height)
599 (details . ((height-limit . 2.0) (ratio . 0.333) (force-blowfit . 0.5)
600 (bezier-pct-c0 . -0.2) (bezier-pct-c3 . 0.000006)
601 (bezier-pct-out-max . 0.8) (bezier-pct-in-max . 1.2)
602 (bezier-area-steps . 1.0)))
605 (attachment . (#f . #f))
606 (attachment-offset . ((0 . 0) . (0 . 0)))
608 (meta . ((interfaces . (slur-interface spanner-interface))))
611 (NonMusicalPaperColumn
614 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
615 (before-line-breaking-callback . ,Paper_column::before_line_breaking)
616 ;; debugging stuff: print column number.
617 ; (molecule-callback . ,Paper_column::brew_molecule) (font-name . "cmr8") (Y-extent-callback . #f)
620 (meta . ((interfaces . (paper-column-interface axis-group-interface spaceable-grob-interface item-interface ))))
625 (spacing-procedure . ,Multi_measure_rest::set_spacing_rods)
626 (molecule-callback . ,Multi_measure_rest::percent)
629 (minimum-width . 12.5) ; staffspace
630 (font-family . music)
631 (meta . ((interfaces . (multi-measure-rest-interface spanner-interface font-interface percent-repeat-interface))))
634 (PianoPedalBracket ;; an example of a text spanner
636 (molecule-callback . ,Text_spanner::brew_molecule)
637 (font-family . roman)
639 (if-text-padding . 1.0)
643 (edge-widen . (0.5 . 0.5))
644 (edge-height . (1.0 . 1.0))
645 (shorten-pair . (0.0 . 0.0))
647 (meta . ((interfaces . (text-spanner-interface piano-pedal-interface spanner-interface))))
652 (molecule-callback . , Percent_repeat_item_interface::beat_slash)
655 (meta . ((interfaces . (percent-repeat-interface item-interface ))))
659 (after-line-breaking-callback . ,Rest::after_line_breaking)
660 (X-extent-callback . ,Rest::extent_callback)
661 (Y-extent-callback . ,Rest::extent_callback)
662 (molecule-callback . ,Rest::brew_molecule)
663 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
664 (minimum-beam-collision-distance . 1.5)
666 (interfaces . (font-interface
667 rhythmic-head-interface
668 staff-symbol-referencer-interface
669 rest-interface item-interface ))
674 (minimum-distance . 0.75)
675 (meta . ((interfaces . (rest-collision-interface item-interface ))))
680 ;; don't set direction here: it breaks staccato.
681 (molecule-callback . ,Script_interface::brew_molecule)
683 ;; This value is sensitive: if too large, staccato dots will move a
686 ;; (script-priority . 0) priorities for scripts, see script.scm
687 (X-offset-callbacks . (,Self_alignment_interface::centered_on_parent))
688 (before-line-breaking-callback . ,Script_interface::before_line_breaking)
689 (font-family . music)
690 (meta . ((interfaces . (script-interface side-position-interface font-interface item-interface ))))
695 (before-line-breaking-callback . ,Script_column::before_line_breaking)
696 (meta . ((interfaces . (script-column-interface item-interface ))))
701 (molecule-callback . ,Slur::brew_molecule)
703 (spacing-procedure . ,Spanner::set_spacing_rods)
704 (minimum-length . 1.5)
705 (after-line-breaking-callback . ,Slur::after_line_breaking)
706 (extremity-rules . ,default-slur-extremity-rules)
707 (extremity-offset-alist . ,default-slur-extremity-offset-alist)
708 (de-uglify-parameters . (1.5 0.8 -2.0))
709 (Y-extent-callback . ,Slur::height)
710 (details . ((height-limit . 2.0) (ratio . 0.333) (force-blowfit . 0.5)
711 (bezier-pct-c0 . -0.2) (bezier-pct-c3 . 0.000006)
712 (bezier-pct-out-max . 0.8) (bezier-pct-in-max . 1.2)
713 (bezier-area-steps . 1.0)))
716 (attachment . (#f . #f))
717 (attachment-offset . ((0 . 0) . (0 . 0)))
719 (meta . ((interfaces . (slur-interface spanner-interface))))
724 (spacing-procedure . ,Spacing_spanner::set_springs)
725 (grace-space-factor . 0.6)
726 (shortest-duration-space . 2.0)
727 (spacing-increment . 1.2)
728 (base-shortest-duration . ,(make-moment 1 8))
729 (meta . ((interfaces . (spacing-interface spacing-spanner-interface spanner-interface))))
734 (break-align-symbol . staff-bar)
735 (bar-size-procedure . ,Span_bar::get_bar_size)
736 (molecule-callback . ,Span_bar::brew_molecule)
737 (break-visibility . ,begin-of-line-invisible)
738 (X-extent-callback . ,Span_bar::width_callback)
739 (Y-extent-callback . ())
742 (before-line-breaking-callback . ,Span_bar::before_line_breaking)
746 ;; Ross. page 151 lists other values, we opt for a leaner look
750 (hair-thickness . 1.6)
751 (thick-thickness . 6.0)
752 (meta . ((interfaces . (span-bar-interface bar-line-interface item-interface ))))
758 (molecule-callback . ,Text_item::brew_molecule)
759 (break-align-symbol . clef)
760 (break-visibility . ,begin-of-line-visible)
761 (font-family . roman)
762 (meta . ((interfaces . (break-aligned-interface text-interface font-interface item-interface ))))
768 (stem-spacing-correction . 0.4)
769 (meta . ((interfaces . (spacing-interface staff-spacing-interface item-interface ))))
773 (stem-spacing-correction . 0.5)
774 (meta . ((interfaces . (spacing-interface note-spacing-interface item-interface ))))
779 (molecule-callback . ,Staff_symbol::brew_molecule)
782 (meta . ((interfaces . (staff-symbol-interface spanner-interface))))
787 (molecule-callback . ,Text_item::brew_molecule)
789 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
790 (no-spacing-rods . #t)
791 (padding . 0.0) ;; padding relative to SostenutoPedalLineSpanner
793 (font-family . roman)
794 (font-shape . italic)
795 (self-alignment-X . 0)
796 (meta . ((interfaces . (text-interface self-alignment-interface font-interface item-interface))))
799 (SostenutoPedalLineSpanner
802 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
805 (minimum-space . 1.0)
807 (meta . ((interfaces . (piano-pedal-interface axis-group-interface side-position-interface spanner-interface))))
812 (before-line-breaking-callback . ,Stem::before_line_breaking)
813 (molecule-callback . ,Stem::brew_molecule)
815 (beamed-lengths . (0.0 2.5 2.0 1.5))
818 (beamed-minimum-lengths . (0.0 1.5 1.25 1.0))
820 ;; Stems in unnatural (forced) direction should be shortened,
821 ;; according to [Roush & Gourlay]. Their suggestion to knock off
822 ;; a whole staffspace seems a bit drastical: we'll do half.
824 (lengths . (3.5 3.5 3.5 4.5 5.0))
825 (stem-shorten . (1.0 0.5))
826 ; if stem is on middle line, choose this direction.
827 (neutral-direction . -1)
828 (X-offset-callbacks . (,Stem::off_callback))
829 (X-extent-callback . ,Stem::dim_callback)
830 (Y-extent-callback . ,Stem::height)
831 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
832 (adjust-if-on-staffline . #t)
833 (font-family . music)
834 (avoid-note-head . #f)
836 (meta . ((interfaces . (stem-interface font-interface item-interface ))))
841 (molecule-callback . ,Stem_tremolo::brew_molecule)
842 (Y-extent-callback . ,Stem_tremolo::height)
843 (X-extent-callback . #f)
845 (beam-width . 2.0) ; staff-space
846 (beam-thickness . 0.48) ; staff-space
847 (meta . ((interfaces . (stem-tremolo-interface item-interface ))))
852 (meta . ((interfaces . (spacing-interface separation-item-interface item-interface ))))
855 (SeparatingGroupSpanner
857 (spacing-procedure . ,Separating_group_spanner::set_spacing_rods)
858 (meta . ((interfaces . (spacing-interface separation-spanner-interface spanner-interface))))
863 (no-spacing-rods . #t)
864 (molecule-callback . ,Sustain_pedal::brew_molecule)
865 (self-alignment-X . 0)
867 (padding . 0.0) ;; padding relative to SustainPedalLineSpanner
869 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
870 (meta . ((interfaces . (piano-pedal-interface text-spanner-interface text-interface self-alignment-interface font-interface item-interface))))
873 (SustainPedalLineSpanner
876 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
879 (minimum-space . 1.0)
881 (meta . ((interfaces . (piano-pedal-interface axis-group-interface side-position-interface spanner-interface))))
887 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
888 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
889 (meta . ((interfaces . (system-interface axis-group-interface spanner-interface))))
895 (molecule-callback . ,System_start_delimiter::brew_molecule)
896 (collapse-height . 5.0)
897 (font-family . braces)
898 (Y-extent-callback . #f)
899 (meta . ((interfaces . (system-start-delimiter-interface font-interface))))
904 (Y-extent-callback . #f)
905 (molecule-callback . ,System_start_delimiter::brew_molecule)
911 (bracket-collapse-height . 1)
913 (meta . ((interfaces . (system-start-delimiter-interface spanner-interface))))
918 (Y-extent-callback . #f)
919 (molecule-callback . ,System_start_delimiter::brew_molecule)
922 (after-line-breaking-callback . ,System_start_delimiter::after_line_breaking)
923 (meta . ((interfaces . (system-start-delimiter-interface spanner-interface))))
928 (molecule-callback . ,Text_item::brew_molecule)
929 (no-spacing-rods . #t)
932 (script-priority . 200)
933 ;; todo: add X self alignment?
935 (font-family . roman)
936 (meta . ((interfaces . (text-script-interface text-interface side-position-interface font-interface item-interface ))))
941 (molecule-callback . ,Text_spanner::brew_molecule)
942 (font-family . roman)
945 ;; urg, only for (de)cresc. text spanners
946 (if-text-padding . 1.0)
950 (meta . ((interfaces . (text-spanner-interface side-position-interface font-interface spanner-interface))))
955 (font-family . roman)
957 (molecule-callback . ,tablature-molecule-callback)
958 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
959 (stem-attachment-function . ,tablature-stem-attachment-function)
960 (meta . ((interfaces . (rhythmic-head-interface font-interface note-head-interface staff-symbol-referencer-interface item-interface ))))
966 (molecule-callback . ,Tie::brew_molecule)
967 (spacing-procedure . ,Spanner::set_spacing_rods)
968 (staffline-clearance . 0.35)
969 (details . ((ratio . 0.333) (height-limit . 1.0)))
973 (minimum-length . 2.5)
974 (meta . ((interfaces . (tie-interface spanner-interface))))
979 (after-line-breaking-callback . ,Tie_column::after_line_breaking)
980 (X-extent-callback . ())
981 (Yoo-extent-callback . ())
982 (meta . ((interfaces . (tie-column-interface spanner-interface))))
987 (molecule-callback . ,Time_signature::brew_molecule)
988 (break-align-symbol . time-signature)
989 (break-visibility . ,all-visible)
991 (first-note . (extra-space . 2.0))
992 (staff-bar . (minimum-space . 2.0))
996 (font-family . number)
997 (meta . ((interfaces . (time-signature-interface break-aligned-interface font-interface item-interface ))))
1005 (edge-widen . (0.0 . 0.0))
1006 (edge-height . (0.7 . 0.7))
1007 (shorten-pair . (-0.2 . -0.2))
1008 (before-line-breaking-callback . ,Tuplet_bracket::before_line_breaking)
1009 (after-line-breaking-callback . ,Tuplet_bracket::after_line_breaking)
1010 (molecule-callback . ,Tuplet_bracket::brew_molecule)
1011 (font-family . roman)
1012 (font-shape . italic)
1014 (font-relative-size . -1)
1015 (meta . ((interfaces . (text-interface tuplet-bracket-interface font-interface spanner-interface))))
1020 (molecule-callback . ,Text_item::brew_molecule)
1021 (font-family . roman)
1022 (font-shape . italic)
1023 (no-spacing-rods . #t)
1024 (self-alignment-X . 0)
1027 (padding . 0.0) ;; padding relative to UnaCordaPedalLineSpanner
1028 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
1029 (meta . ((interfaces . (text-interface self-alignment-interface font-interface item-interface ))))
1032 (UnaCordaPedalLineSpanner
1035 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1037 (minimum-space . 1.0)
1039 (meta . ((interfaces . (piano-pedal-interface axis-group-interface side-position-interface spanner-interface))))
1044 (molecule-callback . ,Volta_bracket_interface::brew_molecule)
1047 (font-style . volta)
1048 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1049 (thickness . 1.6) ; stafflinethickness
1050 (height . 2.0) ; staffspace;
1052 (font-family . number)
1053 (font-relative-size . -2)
1054 (meta . ((interfaces . (volta-bracket-interface text-interface side-position-interface font-interface spanner-interface))))
1060 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1062 (meta . ((interfaces . (align-interface axis-group-interface spanner-interface))))
1068 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1070 (meta . ((interfaces . (axis-group-interface spanner-interface))))
1078 (define (completize-grob-entry x)
1079 "transplant assoc key into 'name entry of 'meta of X
1082 (let* ((name-sym (car x))
1083 (grob-entry (cdr x))
1084 (metaentry (cdr (assoc 'meta grob-entry)))
1086 (cdr (assoc 'interfaces metaentry)))
1089 (set! metaentry (assoc-set! metaentry 'name name-sym))
1090 (set! metaentry (assoc-set! metaentry 'interfaces
1091 (cons 'grob-interface ifaces-entry)))
1092 (set! grob-entry (assoc-set! grob-entry 'meta metaentry))
1093 (cons name-sym grob-entry)))
1095 (set! all-grob-descriptions (map completize-grob-entry all-grob-descriptions))
1099 ; (display (map pair? all-grob-descriptions))
1102 ;; make sure that \property Foo.Bar =\turnOff doesn't complain
1105 ; (display (car x)) (newline)
1107 (set-object-property! (car x) 'translation-type? list?))
1108 all-grob-descriptions)
1111 (set! all-grob-descriptions (sort all-grob-descriptions alist<?))