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)
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 (ambitus . (extra-space . 2.0))
307 (time-signature . (extra-space . 0.0))
308 (staff-bar . (extra-space . 0.0))
309 (breathing-sign . (minimum-space . 0.0))
310 (clef . (extra-space . 1.0))
311 (first-note . (extra-space . 0.0))
312 (key-signature . (extra-space . 0.0))
314 (meta . ((interfaces . (break-aligned-interface item-interface ))))
319 (molecule-callback . ,Text_item::brew_molecule)
320 (X-offset-callbacks . (,Self_alignment_interface::centered_on_parent
321 ,Self_alignment_interface::aligned_on_self))
324 (self-alignment-X . 0)
325 (self-alignment-Y . 0)
326 (script-priority . 100)
327 (font-family . number)
328 (font-relative-size . -3)
329 (font-shape . upright)
330 (meta . ((interfaces . (finger-interface font-interface text-script-interface text-interface side-position-interface self-alignment-interface item-interface ))))
334 (HaraKiriVerticalGroup
336 (Y-offset-callbacks . (,Hara_kiri_group_spanner::force_hara_kiri_callback))
337 (Y-extent-callback . ,Hara_kiri_group_spanner::y_extent)
339 (meta . ((interfaces . (axis-group-interface hara-kiri-group-interface item-interface spanner-interface))))
344 (molecule-callback . ,Hairpin::brew_molecule)
347 (spacing-procedure . ,Spanner::set_spacing_rods)
348 (minimum-length . 2.0)
349 (if-text-padding . 1.0)
350 (width-correct . -1.0)
352 (dash-thickness . 1.2)
354 (self-alignment-Y . 0)
355 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
356 (meta . ((interfaces . (hairpin-interface self-alignment-interface dynamic-interface spanner-interface))))
362 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self
363 ,Side_position_interface::aligned_on_support_refpoints))
364 ;; huh? what's this for?
367 (left-edge . (extra-space . 1.0))
370 (self-alignment-Y . 0)
371 (molecule-callback . ,Text_item::brew_molecule)
372 (break-align-symbol . instrument-name)
373 (break-visibility . ,begin-of-line-visible)
375 (font-family . roman)
376 (meta . ((interfaces . (font-interface self-alignment-interface side-position-interface text-interface break-aligned-interface item-interface ))))
381 (molecule-callback . ,Key_signature_interface::brew_molecule)
383 (time-signature . (extra-space . 1.25))
384 (staff-bar . (extra-space . 1.1))
385 (first-note . (extra-space . 2.5))
387 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
388 (break-align-symbol . key-signature)
389 (break-visibility . ,begin-of-line-visible)
391 (meta . ((interfaces . (key-signature-interface font-interface break-aligned-interface item-interface ))))
396 (molecule-callback . ,Ligature_bracket::brew_molecule)
397 (meta . ((interfaces . (ligature-interface))))
404 (ligature-primitive-callback . ,Note_head::brew_molecule)
405 (molecule-callback . ,Ligature_bracket::brew_molecule)
406 (meta . ((interfaces . (ligature-bracket-interface spanner-interface))))
411 (ligature-primitive-callback . ,Note_head::brew_molecule)
412 (molecule-callback . ,Ligature_head::brew_molecule)
413 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
414 (stem-attachment-function . ,note-head-style->attachment-coordinates)
415 (font-family . ancient)
417 (meta . ((interfaces . (ligature-head-interface rhythmic-head-interface note-head-interface staff-symbol-referencer-interface))))
424 (minimum-length . 0.5)
425 (maximum-length . 100)
426 (molecule-callback . ,Hyphen_spanner::brew_molecule)
427 (Y-extent-callback . ,Grob::point_dimension_callback)
428 (meta . ((interfaces . (lyric-hyphen-interface spanner-interface))))
433 (molecule-callback . ,Lyric_extender::brew_molecule)
434 (height . 0.8) ; stafflinethickness;
435 (right-trim-amount . 0.5)
436 (Y-extent-callback . ,Grob::point_dimension_callback)
437 (meta . ((interfaces . (lyric-extender-interface spanner-interface))))
442 (molecule-callback . ,Text_item::brew_molecule)
443 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
444 (self-alignment-X . 0)
446 (ignore-length-mismatch . #f)
447 (begin-alignment . 4)
449 (font-family . roman)
450 (font-shape . upright)
451 ;; duh, side-position-interface?
452 (meta . ((interfaces . (lyric-syllable-interface self-alignment-interface text-interface font-interface item-interface ))))
459 (ligature-primitive-callback . ,Mensural_ligature::brew_ligature_primitive)
460 (molecule-callback . ,Mensural_ligature::brew_molecule)
461 (font-family . ancient)
462 (meta . ((interfaces . (mensural-ligature-interface))))
468 (auto-properties . #f)
474 (molecule-callback . ,Porrectus::brew_molecule)
475 (meta . ((interfaces . (porrectus-interface))))
480 (molecule-callback . ,Text_item::brew_molecule)
481 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
482 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
483 (self-alignment-X . 0)
487 (font-family . roman)
488 (break-visibility . ,end-of-line-invisible)
490 (meta . ((interfaces . (text-interface side-position-interface font-interface mark-interface self-alignment-interface item-interface ))))
495 (spacing-procedure . ,Multi_measure_rest::set_spacing_rods)
496 (molecule-callback . ,Multi_measure_rest::brew_molecule)
497 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
500 (number-threshold . 1)
503 (font-family . number)
505 (meta . ((interfaces . (multi-measure-rest-interface rest-interface font-interface staff-symbol-referencer-interface spanner-interface))))
511 ;; Ugh, should not be hard-coded.
513 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
514 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
515 (meta . ((interfaces . (note-collision-interface axis-group-interface item-interface ))))
521 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
522 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
523 (meta . ((interfaces . (axis-group-interface note-column-interface item-interface ))))
529 (molecule-callback . ,Note_head::brew_molecule)
530 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
531 (stem-attachment-function . ,note-head-style->attachment-coordinates)
532 (meta . ((interfaces . (rhythmic-head-interface font-interface note-head-interface staff-symbol-referencer-interface item-interface ))))
540 (X-extent-callback . #f)
541 (Y-extent-callback . #f)
542 (molecule-callback . ,Line_spanner::brew_molecule)
543 (meta . ((interfaces . (line-spanner-interface spanner-interface))))
551 (X-extent-callback . #f)
552 (Y-extent-callback . #f)
553 (molecule-callback . ,Line_spanner::brew_molecule)
554 (meta . ((interfaces . (line-spanner-interface spanner-interface))))
559 (molecule-callback . ,Text_item::brew_molecule)
560 (font-family . roman)
561 (meta . ((interfaces . (note-name-interface text-interface font-interface item-interface ))))
566 (self-alignment-X . 0)
568 (break-visibility . ,begin-of-line-visible)
569 (X-offset-callbacks . (,Self_alignment_interface::centered_on_parent ,Self_alignment_interface::aligned_on_self))
570 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
571 (molecule-callback . ,Text_item::brew_molecule)
572 (font-shape . italic)
574 (font-relative-size . -2)
575 (font-family . roman)
576 (meta . ((interfaces . (text-interface self-alignment-interface side-position-interface font-interface item-interface ))))
582 (before-line-breaking-callback . ,Paper_column::before_line_breaking)
583 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
585 ; (molecule-callback . ,Paper_column::brew_molecule) (font-name . "cmr8") (Y-extent-callback . #f)
586 (meta . ((interfaces . (paper-column-interface axis-group-interface spaceable-grob-interface item-interface ))))
591 (molecule-callback . ,Slur::brew_molecule)
593 (spacing-procedure . ,Spanner::set_spacing_rods)
594 (minimum-length . 1.5)
595 (after-line-breaking-callback . ,Slur::after_line_breaking)
596 (extremity-rules . ,default-slur-extremity-rules)
597 (extremity-offset-alist . ,default-phrasing-slur-extremity-offset-alist)
598 (de-uglify-parameters . (1.5 0.8 -2.0))
599 (Y-extent-callback . ,Slur::height)
600 (details . ((height-limit . 2.0) (ratio . 0.333) (force-blowfit . 0.5)
601 (bezier-pct-c0 . -0.2) (bezier-pct-c3 . 0.000006)
602 (bezier-pct-out-max . 0.8) (bezier-pct-in-max . 1.2)
603 (bezier-area-steps . 1.0)))
606 (attachment . (#f . #f))
607 (attachment-offset . ((0 . 0) . (0 . 0)))
609 (meta . ((interfaces . (slur-interface spanner-interface))))
612 (NonMusicalPaperColumn
615 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
616 (before-line-breaking-callback . ,Paper_column::before_line_breaking)
617 ;; debugging stuff: print column number.
618 ; (molecule-callback . ,Paper_column::brew_molecule) (font-name . "cmr8") (Y-extent-callback . #f)
621 (meta . ((interfaces . (paper-column-interface axis-group-interface spaceable-grob-interface item-interface ))))
626 (spacing-procedure . ,Multi_measure_rest::set_spacing_rods)
627 (molecule-callback . ,Multi_measure_rest::percent)
630 (minimum-width . 12.5) ; staffspace
631 (font-family . music)
632 (meta . ((interfaces . (multi-measure-rest-interface spanner-interface font-interface percent-repeat-interface))))
635 (PianoPedalBracket ;; an example of a text spanner
637 (molecule-callback . ,Text_spanner::brew_molecule)
638 (font-family . roman)
640 (if-text-padding . 1.0)
644 (edge-widen . (0.5 . 0.5))
645 (edge-height . (1.0 . 1.0))
646 (shorten-pair . (0.0 . 0.0))
648 (meta . ((interfaces . (text-spanner-interface piano-pedal-interface spanner-interface))))
653 (molecule-callback . , Percent_repeat_item_interface::beat_slash)
656 (meta . ((interfaces . (percent-repeat-interface item-interface ))))
660 (after-line-breaking-callback . ,Rest::after_line_breaking)
661 (X-extent-callback . ,Rest::extent_callback)
662 (Y-extent-callback . ,Rest::extent_callback)
663 (molecule-callback . ,Rest::brew_molecule)
664 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
665 (minimum-beam-collision-distance . 1.5)
667 (interfaces . (font-interface
668 rhythmic-head-interface
669 staff-symbol-referencer-interface
670 rest-interface item-interface ))
675 (minimum-distance . 0.75)
676 (meta . ((interfaces . (rest-collision-interface item-interface ))))
681 ;; don't set direction here: it breaks staccato.
682 (molecule-callback . ,Script_interface::brew_molecule)
684 ;; This value is sensitive: if too large, staccato dots will move a
687 ;; (script-priority . 0) priorities for scripts, see script.scm
688 (X-offset-callbacks . (,Self_alignment_interface::centered_on_parent))
689 (before-line-breaking-callback . ,Script_interface::before_line_breaking)
690 (font-family . music)
691 (meta . ((interfaces . (script-interface side-position-interface font-interface item-interface ))))
696 (before-line-breaking-callback . ,Script_column::before_line_breaking)
697 (meta . ((interfaces . (script-column-interface item-interface ))))
702 (molecule-callback . ,Slur::brew_molecule)
704 (spacing-procedure . ,Spanner::set_spacing_rods)
705 (minimum-length . 1.5)
706 (after-line-breaking-callback . ,Slur::after_line_breaking)
707 (extremity-rules . ,default-slur-extremity-rules)
708 (extremity-offset-alist . ,default-slur-extremity-offset-alist)
709 (de-uglify-parameters . (1.5 0.8 -2.0))
710 (Y-extent-callback . ,Slur::height)
711 (details . ((height-limit . 2.0) (ratio . 0.333) (force-blowfit . 0.5)
712 (bezier-pct-c0 . -0.2) (bezier-pct-c3 . 0.000006)
713 (bezier-pct-out-max . 0.8) (bezier-pct-in-max . 1.2)
714 (bezier-area-steps . 1.0)))
717 (attachment . (#f . #f))
718 (attachment-offset . ((0 . 0) . (0 . 0)))
720 (meta . ((interfaces . (slur-interface spanner-interface))))
725 (spacing-procedure . ,Spacing_spanner::set_springs)
726 (grace-space-factor . 0.6)
727 (shortest-duration-space . 2.0)
728 (spacing-increment . 1.2)
729 (base-shortest-duration . ,(make-moment 1 8))
730 (meta . ((interfaces . (spacing-interface spacing-spanner-interface spanner-interface))))
735 (break-align-symbol . staff-bar)
736 (bar-size-procedure . ,Span_bar::get_bar_size)
737 (molecule-callback . ,Span_bar::brew_molecule)
738 (break-visibility . ,begin-of-line-invisible)
739 (X-extent-callback . ,Span_bar::width_callback)
740 (Y-extent-callback . ())
743 (before-line-breaking-callback . ,Span_bar::before_line_breaking)
747 ;; Ross. page 151 lists other values, we opt for a leaner look
751 (hair-thickness . 1.6)
752 (thick-thickness . 6.0)
753 (meta . ((interfaces . (span-bar-interface bar-line-interface item-interface ))))
759 (molecule-callback . ,Text_item::brew_molecule)
760 (break-align-symbol . clef)
761 (break-visibility . ,begin-of-line-visible)
762 (font-family . roman)
763 (meta . ((interfaces . (break-aligned-interface text-interface font-interface item-interface ))))
769 (stem-spacing-correction . 0.4)
770 (meta . ((interfaces . (spacing-interface staff-spacing-interface item-interface ))))
774 (stem-spacing-correction . 0.5)
775 (meta . ((interfaces . (spacing-interface note-spacing-interface item-interface ))))
780 (molecule-callback . ,Staff_symbol::brew_molecule)
783 (meta . ((interfaces . (staff-symbol-interface spanner-interface))))
788 (molecule-callback . ,Text_item::brew_molecule)
790 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
791 (no-spacing-rods . #t)
792 (padding . 0.0) ;; padding relative to SostenutoPedalLineSpanner
794 (font-family . roman)
795 (font-shape . italic)
796 (self-alignment-X . 0)
797 (meta . ((interfaces . (text-interface self-alignment-interface font-interface item-interface))))
800 (SostenutoPedalLineSpanner
803 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
806 (minimum-space . 1.0)
808 (meta . ((interfaces . (piano-pedal-interface axis-group-interface side-position-interface spanner-interface))))
813 (before-line-breaking-callback . ,Stem::before_line_breaking)
814 (molecule-callback . ,Stem::brew_molecule)
816 (beamed-lengths . (0.0 2.5 2.0 1.5))
819 (beamed-minimum-lengths . (0.0 1.5 1.25 1.0))
821 ;; Stems in unnatural (forced) direction should be shortened,
822 ;; according to [Roush & Gourlay]. Their suggestion to knock off
823 ;; a whole staffspace seems a bit drastical: we'll do half.
825 (lengths . (3.5 3.5 3.5 4.5 5.0))
826 (stem-shorten . (1.0 0.5))
827 ; if stem is on middle line, choose this direction.
828 (neutral-direction . -1)
829 (X-offset-callbacks . (,Stem::off_callback))
830 (X-extent-callback . ,Stem::dim_callback)
831 (Y-extent-callback . ,Stem::height)
832 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
833 (adjust-if-on-staffline . #t)
834 (font-family . music)
835 (avoid-note-head . #f)
837 (meta . ((interfaces . (stem-interface font-interface item-interface ))))
842 (molecule-callback . ,Stem_tremolo::brew_molecule)
843 (Y-extent-callback . ,Stem_tremolo::height)
844 (X-extent-callback . #f)
846 (beam-width . 1.6) ; staff-space
847 (beam-thickness . 0.48) ; staff-space
848 (meta . ((interfaces . (stem-tremolo-interface item-interface ))))
853 (meta . ((interfaces . (spacing-interface separation-item-interface item-interface ))))
856 (SeparatingGroupSpanner
858 (spacing-procedure . ,Separating_group_spanner::set_spacing_rods)
859 (meta . ((interfaces . (spacing-interface separation-spanner-interface spanner-interface))))
864 (no-spacing-rods . #t)
865 (molecule-callback . ,Sustain_pedal::brew_molecule)
866 (self-alignment-X . 0)
868 (padding . 0.0) ;; padding relative to SustainPedalLineSpanner
870 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
871 (meta . ((interfaces . (piano-pedal-interface text-spanner-interface text-interface self-alignment-interface font-interface item-interface))))
874 (SustainPedalLineSpanner
877 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
880 (minimum-space . 1.0)
882 (meta . ((interfaces . (piano-pedal-interface axis-group-interface side-position-interface spanner-interface))))
888 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
889 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
890 (meta . ((interfaces . (system-interface axis-group-interface spanner-interface))))
896 (molecule-callback . ,System_start_delimiter::brew_molecule)
897 (collapse-height . 5.0)
898 (font-family . braces)
899 (Y-extent-callback . #f)
900 (meta . ((interfaces . (system-start-delimiter-interface font-interface))))
905 (Y-extent-callback . #f)
906 (molecule-callback . ,System_start_delimiter::brew_molecule)
912 (bracket-collapse-height . 1)
914 (meta . ((interfaces . (system-start-delimiter-interface spanner-interface))))
919 (Y-extent-callback . #f)
920 (molecule-callback . ,System_start_delimiter::brew_molecule)
923 (after-line-breaking-callback . ,System_start_delimiter::after_line_breaking)
924 (meta . ((interfaces . (system-start-delimiter-interface spanner-interface))))
929 (molecule-callback . ,Text_item::brew_molecule)
930 (no-spacing-rods . #t)
933 (script-priority . 200)
934 ;; todo: add X self alignment?
936 (font-family . roman)
937 (meta . ((interfaces . (text-script-interface text-interface side-position-interface font-interface item-interface ))))
942 (molecule-callback . ,Text_spanner::brew_molecule)
943 (font-family . roman)
946 ;; urg, only for (de)cresc. text spanners
947 (if-text-padding . 1.0)
951 (meta . ((interfaces . (text-spanner-interface side-position-interface font-interface spanner-interface))))
956 (font-family . roman)
958 (molecule-callback . ,tablature-molecule-callback)
959 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
960 (stem-attachment-function . ,tablature-stem-attachment-function)
961 (meta . ((interfaces . (rhythmic-head-interface font-interface note-head-interface staff-symbol-referencer-interface item-interface ))))
967 (molecule-callback . ,Tie::brew_molecule)
968 (spacing-procedure . ,Spanner::set_spacing_rods)
969 (staffline-clearance . 0.35)
970 (details . ((ratio . 0.333) (height-limit . 1.0)))
974 (minimum-length . 2.5)
975 (meta . ((interfaces . (tie-interface spanner-interface))))
980 (after-line-breaking-callback . ,Tie_column::after_line_breaking)
981 (X-extent-callback . ())
982 (Yoo-extent-callback . ())
983 (meta . ((interfaces . (tie-column-interface spanner-interface))))
988 (molecule-callback . ,Time_signature::brew_molecule)
989 (break-align-symbol . time-signature)
990 (break-visibility . ,all-visible)
992 (first-note . (extra-space . 2.0))
993 (staff-bar . (minimum-space . 2.0))
997 (font-family . number)
998 (meta . ((interfaces . (time-signature-interface break-aligned-interface font-interface item-interface ))))
1006 (edge-widen . (0.0 . 0.0))
1007 (edge-height . (0.7 . 0.7))
1008 (shorten-pair . (-0.2 . -0.2))
1009 (before-line-breaking-callback . ,Tuplet_bracket::before_line_breaking)
1010 (after-line-breaking-callback . ,Tuplet_bracket::after_line_breaking)
1011 (molecule-callback . ,Tuplet_bracket::brew_molecule)
1012 (font-family . roman)
1013 (font-shape . italic)
1015 (font-relative-size . -1)
1016 (meta . ((interfaces . (text-interface tuplet-bracket-interface font-interface spanner-interface))))
1021 (molecule-callback . ,Text_item::brew_molecule)
1022 (font-family . roman)
1023 (font-shape . italic)
1024 (no-spacing-rods . #t)
1025 (self-alignment-X . 0)
1028 (padding . 0.0) ;; padding relative to UnaCordaPedalLineSpanner
1029 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
1030 (meta . ((interfaces . (text-interface self-alignment-interface font-interface item-interface ))))
1033 (UnaCordaPedalLineSpanner
1036 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1038 (minimum-space . 1.0)
1040 (meta . ((interfaces . (piano-pedal-interface axis-group-interface side-position-interface spanner-interface))))
1045 (molecule-callback . ,Volta_bracket_interface::brew_molecule)
1048 (font-style . volta)
1049 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1050 (thickness . 1.6) ; stafflinethickness
1051 (height . 2.0) ; staffspace;
1053 (font-family . number)
1054 (font-relative-size . -2)
1055 (meta . ((interfaces . (volta-bracket-interface text-interface side-position-interface font-interface spanner-interface))))
1061 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1063 (meta . ((interfaces . (align-interface axis-group-interface spanner-interface))))
1069 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1071 (meta . ((interfaces . (axis-group-interface spanner-interface))))
1079 (define (completize-grob-entry x)
1080 "transplant assoc key into 'name entry of 'meta of X
1083 (let* ((name-sym (car x))
1084 (grob-entry (cdr x))
1085 (metaentry (cdr (assoc 'meta grob-entry)))
1087 (cdr (assoc 'interfaces metaentry)))
1090 (set! metaentry (assoc-set! metaentry 'name name-sym))
1091 (set! metaentry (assoc-set! metaentry 'interfaces
1092 (cons 'grob-interface ifaces-entry)))
1093 (set! grob-entry (assoc-set! grob-entry 'meta metaentry))
1094 (cons name-sym grob-entry)))
1096 (set! all-grob-descriptions (map completize-grob-entry all-grob-descriptions))
1100 ; (display (map pair? all-grob-descriptions))
1103 ;; make sure that \property Foo.Bar =\turnOff doesn't complain
1106 ; (display (car x)) (newline)
1108 (set-object-property! (car x) 'translation-type? list?))
1109 all-grob-descriptions)
1112 (set! all-grob-descriptions (sort all-grob-descriptions alist<?))