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.
12 ;;;; WARNING: don't use anonymous functions for initialization.
14 ;; TODO: junk the meta field in favor of something more compact?
15 (define all-grob-descriptions
19 (molecule-callback . ,Accidental_interface::brew_molecule)
21 (cautionary-style . smaller)
22 (after-line-breaking-callback . ,Accidental_interface::after_line_breaking) (meta . ((interfaces . (item-interface accidental-interface font-interface))))
26 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
29 ;; this is quite small, but it is very ugly to have
30 ;; accs closer to the previous note than to the next one.
31 (right-padding . 0.15)
32 (meta . ((interfaces . (item-interface accidental-placement-interface))))
38 (break-align-symbol . ambitus)
39 (molecule-callback . ,Ambitus::brew_molecule)
41 (note-head-style . "noteheads-2")
42 (visibility-lambda . ,begin-of-line-visible)
45 (clef . (extra-space . 0.0))
46 (key-signature . (extra-space . 0.0))
47 (staff-bar . (extra-space . 0.0))
48 (time-signature . (extra-space . 0.0))
49 (first-note . (extra-space . 0.0))
51 (meta . ((interfaces . (ambitus-interface staff-symbol-referencer-interface break-aligned-interface item-interface font-interface))))
56 (X-extent-callback . ,Arpeggio::width_callback)
57 (Y-extent-callback . #f)
58 (molecule-callback . ,Arpeggio::brew_molecule)
59 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
60 (X-offset-callbacks . (,Side_position_interface::aligned_side))
62 (staff-position . 0.0)
63 (meta . ((interfaces . (arpeggio-interface staff-symbol-referencer-interface side-position-interface item-interface font-interface))))
68 (break-align-symbol . staff-bar)
70 (break-glyph-function . ,default-break-barline)
71 (bar-size-procedure . ,Bar_line::get_staff_bar_size)
72 (molecule-callback . ,Bar_line::brew_molecule)
73 (break-visibility . ,all-visible)
75 (before-line-breaking-callback . ,Bar_line::before_line_breaking)
77 (time-signature . (extra-space . 0.75))
78 (custos . (minimum-space . 2.0))
79 (clef . (minimum-space . 1.0))
80 (first-note . (extra-space . 1.3))
84 ;; Ross. page 151 lists other values, we opt for a leaner look
88 (hair-thickness . 1.6)
89 (thick-thickness . 6.0)
90 (meta . ((interfaces . (bar-line-interface item-interface break-aligned-interface font-interface))))
96 (molecule-callback . ,Text_item::brew_molecule)
98 (break-visibility . ,begin-of-line-visible)
101 (font-family . roman)
102 (font-relative-size . -1)
103 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
104 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
105 (self-alignment-X . 1)
106 (extra-offset . (1.3 . 0))
108 ((interfaces . (side-position-interface
110 self-alignment-interface
111 font-interface item-interface break-aligned-interface))))
117 (molecule-callback . ,brew-bass-figure)
118 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
120 (font-family . number)
121 (font-relative-size . -1)
125 (meta . ((interfaces . (text-interface bass-figure-interface item-interface self-alignment-interface font-interface))))
129 ;; todo: clean this up a bit: the list is getting
131 (molecule-callback . ,Beam::brew_molecule)
132 (concaveness-gap . 2.0)
133 (concaveness-threshold . 0.08)
134 (positions . (#f . #f))
135 (position-callbacks . (,Beam::least_squares
138 ,Beam::shift_region_to_valid
142 ;; TODO: should be in SLT.
143 (thickness . 0.48) ; in staff-space
144 (before-line-breaking-callback . ,Beam::before_line_breaking)
145 (after-line-breaking-callback . ,Beam::after_line_breaking)
146 (neutral-direction . -1)
147 (dir-function . ,beam-dir-majority-median)
149 ;; Whe have some unreferenced problems here.
151 ;; If we shorten beamed stems less than normal stems (1 staffspace),
152 ;; or high order less than 8th beams, patterns like
153 ;; c''4 [c''8 c''] c''4 [c''16 c]
154 ;; are ugly (different stem lengths).
156 ;; But if we shorten 16th beams as much as 8th beams, a single
157 ;; forced 16th beam looks *very* short.
159 ;; We choose to shorten 8th beams the same as single stems,
160 ;; and high order beams less than 8th beams, so that all
161 ;; isolated shortened beams look nice and a bit shortened,
162 ;; sadly possibly breaking patterns with high order beams.
163 (beamed-stem-shorten . (1.0 0.5 0.25))
165 (outer-stem-length-limit . 0.2)
167 (flag-width-function . ,default-beam-flag-width-function)
169 (auto-knee-gap . 5.5)
170 (font-name . "cmr10")
171 (space-function . ,Beam::space_function)
172 (meta . ((interfaces . (staff-symbol-referencer-interface beam-interface spanner-interface))))
180 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
181 (meta . ((interfaces . (break-alignment-interface item-interface axis-group-interface)))))
187 (X-offset-callbacks . (,Break_align_interface::alignment_callback))
188 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
189 (meta . ((interfaces . (break-aligned-interface item-interface axis-group-interface item-interface ))))
194 (break-align-symbol . breathing-sign)
197 (ambitus . (extra-space . 2.0))
198 (key-signature . (minimum-space . 1.5))
199 (staff-bar . (minimum-space . 1.5))
200 (clef . (minimum-space . 2.0))
201 (first-note . (minimum-space . 1.0))
203 (molecule-callback . ,Text_item::brew_molecule)
205 (font-family . music)
206 (text . "scripts-rcomma")
207 (Y-offset-callbacks . (,Breathing_sign::offset_callback))
208 (break-visibility . ,begin-of-line-invisible)
209 (meta . ((interfaces . (break-aligned-interface breathing-sign-interface text-interface font-interface item-interface ))))
214 (molecule-callback . ,Clef::brew_molecule)
215 (before-line-breaking-callback . ,Clef::before_line_breaking)
217 (font-family . music)
218 (break-align-symbol . clef)
219 (break-visibility . ,begin-of-line-visible)
221 (ambitus . (extra-space . 2.0))
222 (staff-bar . (minimum-space . 3.7))
223 (key-signature . (minimum-space . 4.0))
224 (time-signature . (minimum-space . 4.2))
225 (first-note . (minimum-space . 5.0))
226 (next-note . (extra-space . 0.5))
228 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
229 (meta . ((interfaces . (clef-interface staff-symbol-referencer-interface font-interface break-aligned-interface item-interface ))))
234 (molecule-callback . ,Chord_name::brew_molecule)
235 (after-line-breaking-callback . ,Chord_name::after_line_breaking)
236 (chord-name-function . ,default-chord-name-function)
237 (font-family . roman)
238 (meta . ((interfaces . (font-interface text-interface chord-name-interface item-interface ))))
243 (break-align-symbol . custos)
245 (molecule-callback . ,Custos::brew_molecule)
246 (break-visibility . ,end-of-line-visible)
248 (neutral-position . 0)
249 (neutral-direction . -1)
250 (adjust-if-on-staffline . #t)
251 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
252 (font-family . ancient)
254 (first-note . (minimum-space . 0.0))
257 . (custos-interface staff-symbol-referencer-interface
259 break-aligned-interface item-interface ))))
267 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
268 (X-offset-callbacks . (,Dot_column::side_position))
269 (meta . ((interfaces . (dot-column-interface axis-group-interface item-interface ))))
274 (molecule-callback . ,Dots::brew_molecule)
276 (Y-offset-callbacks . (,Dots::quantised_position_callback ,Staff_symbol_referencer::callback))
277 (meta . ((interfaces . (font-interface staff-symbol-referencer-interface dots-interface item-interface ))))
280 (DoublePercentRepeat .
282 (molecule-callback . ,Percent_repeat_item_interface::double_percent)
285 (font-family . music)
288 (break-align-symbol . staff-bar)
289 (break-visibility . ,begin-of-line-invisible)
290 (meta . ((interfaces . (font-interface
291 break-aligned-interface
292 percent-repeat-interface item-interface ))))
297 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
298 (molecule-callback . ,Text_item::brew_molecule)
299 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self
300 ,Self_alignment_interface::centered_on_parent))
301 (self-alignment-X . 0)
302 (no-spacing-rods . #t)
303 (script-priority . 100)
305 (font-family . dynamic)
306 (font-shape . italic)
307 (self-alignment-Y . 0)
308 (meta . ((interfaces . (font-interface text-interface self-alignment-interface dynamic-interface script-interface item-interface ))))
314 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
315 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
317 (minimum-space . 1.2)
319 (meta . ((interfaces . (dynamic-interface axis-group-interface side-position-interface spanner-interface))))
324 (break-align-symbol . left-edge)
325 (X-extent-callback . ,Grob::point_dimension_callback)
328 (custos . (extra-space . 0.0))
329 (ambitus . (extra-space . 2.0))
330 (time-signature . (extra-space . 0.0))
331 (staff-bar . (extra-space . 0.0))
332 (breathing-sign . (minimum-space . 0.0))
333 (clef . (extra-space . 1.0))
334 (first-note . (extra-space . 1.0))
335 (key-signature . (extra-space . 0.0))
337 (meta . ((interfaces . (break-aligned-interface item-interface ))))
342 (molecule-callback . ,Text_item::brew_molecule)
343 (X-offset-callbacks . (,Self_alignment_interface::centered_on_parent
344 ,Self_alignment_interface::aligned_on_self))
347 (self-alignment-X . 0)
348 (self-alignment-Y . 0)
349 (script-priority . 100)
350 (font-family . number)
351 (font-relative-size . -3)
352 (font-shape . upright)
353 (meta . ((interfaces . (finger-interface font-interface text-script-interface text-interface side-position-interface self-alignment-interface item-interface ))))
357 (HaraKiriVerticalGroup
359 (Y-offset-callbacks . (,Hara_kiri_group_spanner::force_hara_kiri_callback))
360 (Y-extent-callback . ,Hara_kiri_group_spanner::y_extent)
362 (meta . ((interfaces . (axis-group-interface hara-kiri-group-interface item-interface spanner-interface))))
367 (molecule-callback . ,Hairpin::brew_molecule)
370 (spacing-procedure . ,Spanner::set_spacing_rods)
371 (minimum-length . 2.0)
372 (if-text-padding . 1.0)
373 (width-correct . -1.0)
375 (dash-thickness . 1.2)
377 (self-alignment-Y . 0)
378 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
379 (meta . ((interfaces . (hairpin-interface self-alignment-interface dynamic-interface spanner-interface))))
385 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self
386 ,Side_position_interface::aligned_on_support_refpoints))
387 ;; huh? what's this for?
390 (left-edge . (extra-space . 1.0))
393 (self-alignment-Y . 0)
394 (molecule-callback . ,Text_item::brew_molecule)
395 (break-align-symbol . instrument-name)
396 (break-visibility . ,begin-of-line-visible)
398 (font-family . roman)
399 (meta . ((interfaces . (font-interface self-alignment-interface side-position-interface text-interface break-aligned-interface item-interface ))))
404 (molecule-callback . ,Key_signature_interface::brew_molecule)
406 (time-signature . (extra-space . 1.25))
407 (staff-bar . (extra-space . 1.1))
408 (first-note . (extra-space . 2.5))
410 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
411 (break-align-symbol . key-signature)
412 (break-visibility . ,begin-of-line-visible)
414 (meta . ((interfaces . (key-signature-interface font-interface break-aligned-interface item-interface ))))
419 (molecule-callback . ,Ligature_bracket::brew_molecule)
420 (meta . ((interfaces . (ligature-interface))))
427 (ligature-primitive-callback . ,Note_head::brew_molecule)
428 (molecule-callback . ,Ligature_bracket::brew_molecule)
429 (meta . ((interfaces . (ligature-bracket-interface spanner-interface))))
434 (ligature-primitive-callback . ,Note_head::brew_molecule)
435 (molecule-callback . ,Ligature_head::brew_molecule)
436 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
437 (stem-attachment-function . ,note-head-style->attachment-coordinates)
438 (font-family . ancient)
440 (meta . ((interfaces . (ligature-head-interface rhythmic-head-interface
442 note-head-interface staff-symbol-referencer-interface))))
449 (minimum-length . 0.5)
450 (maximum-length . 100)
451 (molecule-callback . ,Hyphen_spanner::brew_molecule)
452 (Y-extent-callback . ,Grob::point_dimension_callback)
453 (meta . ((interfaces . (lyric-hyphen-interface spanner-interface))))
458 (molecule-callback . ,Lyric_extender::brew_molecule)
459 (height . 0.8) ; stafflinethickness;
460 (right-trim-amount . 0.5)
461 (Y-extent-callback . ,Grob::point_dimension_callback)
462 (meta . ((interfaces . (lyric-extender-interface spanner-interface))))
467 (molecule-callback . ,Text_item::brew_molecule)
468 (X-offset-callbacks . (,Self_alignment_interface::centered_on_parent
469 ,Self_alignment_interface::aligned_on_self))
470 (self-alignment-X . 0)
472 (ignore-length-mismatch . #f)
473 (begin-alignment . 4)
475 (font-family . roman)
476 (font-shape . upright)
478 ;; duh, side-position-interface?
479 (meta . ((interfaces . (lyric-syllable-interface self-alignment-interface text-interface font-interface item-interface ))))
486 (ligature-primitive-callback . ,Mensural_ligature::brew_ligature_primitive)
487 (molecule-callback . ,Mensural_ligature::brew_molecule)
488 (font-family . ancient)
489 (meta . ((interfaces . (mensural-ligature-interface font-interface))))
495 (auto-properties . #f)
501 (molecule-callback . ,Porrectus::brew_molecule)
502 (meta . ((interfaces . (porrectus-interface))))
507 (molecule-callback . ,Text_item::brew_molecule)
508 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
509 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
510 (self-alignment-X . 0)
514 (font-family . roman)
516 (break-visibility . ,end-of-line-invisible)
518 (meta . ((interfaces . (text-interface side-position-interface font-interface mark-interface self-alignment-interface item-interface ))))
523 (spacing-procedure . ,Multi_measure_rest::set_spacing_rods)
524 (molecule-callback . ,Multi_measure_rest::brew_molecule)
525 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
528 (number-threshold . 1)
531 (font-family . number)
533 (meta . ((interfaces . (multi-measure-rest-interface rest-interface font-interface staff-symbol-referencer-interface spanner-interface))))
539 ;; Ugh, should not be hard-coded.
541 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
542 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
543 (meta . ((interfaces . (note-collision-interface axis-group-interface item-interface ))))
549 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
550 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
551 (meta . ((interfaces . (axis-group-interface note-column-interface item-interface ))))
557 (molecule-callback . ,Note_head::brew_molecule)
558 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
559 (stem-attachment-function . ,note-head-style->attachment-coordinates)
560 (meta . ((interfaces . (rhythmic-head-interface font-interface note-head-interface staff-symbol-referencer-interface item-interface ))))
568 (X-extent-callback . #f)
569 (Y-extent-callback . #f)
570 (molecule-callback . ,Line_spanner::brew_molecule)
571 (meta . ((interfaces . (line-spanner-interface spanner-interface))))
579 (X-extent-callback . #f)
580 (Y-extent-callback . #f)
581 (molecule-callback . ,Line_spanner::brew_molecule)
582 (meta . ((interfaces . (line-spanner-interface spanner-interface))))
587 (molecule-callback . ,Text_item::brew_molecule)
588 (font-family . roman)
589 (meta . ((interfaces . (note-name-interface text-interface font-interface item-interface ))))
594 (self-alignment-X . 0)
596 (break-visibility . ,begin-of-line-visible)
597 (X-offset-callbacks . (,Self_alignment_interface::centered_on_parent ,Self_alignment_interface::aligned_on_self))
598 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
599 (molecule-callback . ,Text_item::brew_molecule)
600 (font-shape . italic)
602 (font-relative-size . -2)
603 (font-family . roman)
604 (meta . ((interfaces . (text-interface self-alignment-interface side-position-interface font-interface item-interface ))))
610 (before-line-breaking-callback . ,Paper_column::before_line_breaking)
611 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
613 ; (molecule-callback . ,Paper_column::brew_molecule) (font-name . "cmr8") (Y-extent-callback . #f)
614 (meta . ((interfaces . (paper-column-interface axis-group-interface spaceable-grob-interface item-interface ))))
619 (molecule-callback . ,Slur::brew_molecule)
621 (spacing-procedure . ,Spanner::set_spacing_rods)
622 (minimum-length . 1.5)
623 (after-line-breaking-callback . ,Slur::after_line_breaking)
624 (extremity-rules . ,default-slur-extremity-rules)
625 (extremity-offset-alist . ,default-phrasing-slur-extremity-offset-alist)
626 (de-uglify-parameters . (1.5 0.8 -2.0))
627 (Y-extent-callback . ,Slur::height)
632 (attachment . (#f . #f))
633 (attachment-offset . ((0 . 0) . (0 . 0)))
635 (details . ((force-blowfit . 0.5)
636 (bezier-pct-c0 . -0.2) (bezier-pct-c3 . 0.000006)
637 (bezier-pct-out-max . 0.8) (bezier-pct-in-max . 1.2)
638 (bezier-area-steps . 1.0)))
639 (meta . ((interfaces . (slur-interface spanner-interface))))
642 (NonMusicalPaperColumn
645 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
646 (before-line-breaking-callback . ,Paper_column::before_line_breaking)
647 ;; debugging stuff: print column number.
648 ; (molecule-callback . ,Paper_column::brew_molecule) (font-name . "cmr8") (Y-extent-callback . #f)
651 (meta . ((interfaces . (paper-column-interface axis-group-interface spaceable-grob-interface item-interface ))))
656 (spacing-procedure . ,Multi_measure_rest::set_spacing_rods)
657 (molecule-callback . ,Multi_measure_rest::percent)
660 (minimum-width . 12.5) ; staffspace
661 (font-family . music)
662 (meta . ((interfaces . (multi-measure-rest-interface spanner-interface font-interface percent-repeat-interface))))
665 (PianoPedalBracket ;; an example of a text spanner
667 (molecule-callback . ,Text_spanner::brew_molecule)
668 (font-family . roman)
670 (if-text-padding . 1.0)
674 (edge-widen . (0.5 . 0.5))
675 (edge-height . (1.0 . 1.0))
676 (shorten-pair . (0.0 . 0.0))
678 (meta . ((interfaces . (text-spanner-interface piano-pedal-interface spanner-interface))))
683 (molecule-callback . , Percent_repeat_item_interface::beat_slash)
686 (meta . ((interfaces . (percent-repeat-interface item-interface ))))
690 (after-line-breaking-callback . ,Rest::after_line_breaking)
691 (X-extent-callback . ,Rest::extent_callback)
692 (Y-extent-callback . ,Rest::extent_callback)
693 (molecule-callback . ,Rest::brew_molecule)
694 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
695 (minimum-beam-collision-distance . 1.5)
697 (interfaces . (font-interface
698 rhythmic-head-interface
699 staff-symbol-referencer-interface
700 rest-interface item-interface ))
705 (minimum-distance . 0.75)
706 (meta . ((interfaces . (rest-collision-interface item-interface ))))
711 ;; don't set direction here: it breaks staccato.
712 (molecule-callback . ,Script_interface::brew_molecule)
714 ;; This value is sensitive: if too large, staccato dots will move a
717 ;; (script-priority . 0) priorities for scripts, see script.scm
718 (X-offset-callbacks . (,Self_alignment_interface::centered_on_parent))
719 (before-line-breaking-callback . ,Script_interface::before_line_breaking)
720 (font-family . music)
721 (meta . ((interfaces . (script-interface side-position-interface font-interface item-interface ))))
726 (before-line-breaking-callback . ,Script_column::before_line_breaking)
727 (meta . ((interfaces . (script-column-interface item-interface ))))
732 (molecule-callback . ,Slur::brew_molecule)
734 (spacing-procedure . ,Spanner::set_spacing_rods)
735 (minimum-length . 1.5)
736 (after-line-breaking-callback . ,Slur::after_line_breaking)
737 (extremity-rules . ,default-slur-extremity-rules)
738 (extremity-offset-alist . ,default-slur-extremity-offset-alist)
739 (de-uglify-parameters . (1.5 0.8 -2.0))
740 (Y-extent-callback . ,Slur::height)
745 (attachment . (#f . #f))
746 (attachment-offset . ((0 . 0) . (0 . 0)))
748 (details . ((force-blowfit . 0.5)
749 (bezier-pct-c0 . -0.2) (bezier-pct-c3 . 0.000006)
750 (bezier-pct-out-max . 0.8) (bezier-pct-in-max . 1.2)
751 (bezier-area-steps . 1.0)))
752 (meta . ((interfaces . (slur-interface spanner-interface))))
757 (spacing-procedure . ,Spacing_spanner::set_springs)
758 (grace-space-factor . 0.6)
759 (shortest-duration-space . 2.0)
760 (spacing-increment . 1.2)
761 (base-shortest-duration . ,(make-moment 1 8))
762 (meta . ((interfaces . (spacing-interface spacing-spanner-interface spanner-interface))))
767 (break-align-symbol . staff-bar)
768 (bar-size-procedure . ,Span_bar::get_bar_size)
769 (molecule-callback . ,Span_bar::brew_molecule)
770 (break-visibility . ,begin-of-line-invisible)
771 (X-extent-callback . ,Span_bar::width_callback)
772 (Y-extent-callback . ())
775 (before-line-breaking-callback . ,Span_bar::before_line_breaking)
779 ;; Ross. page 151 lists other values, we opt for a leaner look
783 (hair-thickness . 1.6)
784 (thick-thickness . 6.0)
785 (meta . ((interfaces . (span-bar-interface font-interface
786 bar-line-interface item-interface ))))
792 (molecule-callback . ,Text_item::brew_molecule)
793 (break-align-symbol . clef)
794 (break-visibility . ,begin-of-line-visible)
795 (font-family . roman)
796 (meta . ((interfaces . (break-aligned-interface text-interface font-interface item-interface ))))
802 (stem-spacing-correction . 0.4)
803 (knee-spacing-correction . 0.75)
804 (meta . ((interfaces . (spacing-interface staff-spacing-interface item-interface ))))
808 (stem-spacing-correction . 0.5)
809 (knee-spacing-correction . 0.75)
810 (meta . ((interfaces . (spacing-interface note-spacing-interface item-interface ))))
815 (molecule-callback . ,Staff_symbol::brew_molecule)
818 (meta . ((interfaces . (staff-symbol-interface spanner-interface))))
823 (molecule-callback . ,Text_item::brew_molecule)
825 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
826 (no-spacing-rods . #t)
827 (padding . 0.0) ;; padding relative to SostenutoPedalLineSpanner
829 (font-family . roman)
830 (font-shape . italic)
831 (self-alignment-X . 0)
832 (meta . ((interfaces . (text-interface self-alignment-interface font-interface item-interface))))
835 (SostenutoPedalLineSpanner
838 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
839 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
843 (minimum-space . 1.0)
845 (meta . ((interfaces . (piano-pedal-interface axis-group-interface side-position-interface spanner-interface))))
850 (before-line-breaking-callback . ,Stem::before_line_breaking)
851 (molecule-callback . ,Stem::brew_molecule)
854 ;; 3.5 (or 3 measured from note head) is standar length
855 ;; 32nd, 64th flagged stems should be longer
856 (lengths . (3.5 3.5 3.5 4.5 5.0))
858 ;; Stems in unnatural (forced) direction should be shortened by
859 ;; one staff space, according to [Roush & Gourlay].
860 ;; Flagged stems we shorten only half a staff space.
861 (stem-shorten . (1.0 0.5))
863 ;; default stem direction for note on middle line
864 (neutral-direction . -1)
866 ;; [Wanske]: standard length (but no shorter than minimum).
867 ;; (beamed-lengths . (3.5))
869 ;; FIXME. 3.5 yields too long beams (according to Ross and
870 ;; looking at Baerenreiter examples) for a number of common
871 ;; boundary cases. Subtracting half a beam thickness fixes
872 ;; this, but the bug may well be somewhere else.
873 (beamed-lengths . (3.26))
875 ;; [Wanske] lists three sets of minimum lengths. One
876 ;; set for the nomal case, and one set for beams with `der
877 ;; Balkenendpunkt weiter "uber bzw. unter die Systemgrenze
878 ;; hinaus (bei Gruppen mit grossem Tonumfang)' and the extreme
881 ;; Note that Wanske lists numbers lengths starting from top of
882 ;; head, so we must add half a staff space.
884 ;; We use the normal minima as minimum for the ideal lengths,
885 ;; and the extreme minima as abolute minimum length.
887 ;; The 'normal' minima
888 (beamed-minimum-free-lengths . (2.5 2.0 1.5))
890 ;; The 'far outside staff' minima, not used
891 ;(beamed-far-minimum-free-lengths . (1.83))
893 ;; The 'extreme case' minima
894 (beamed-extreme-minimum-free-lengths . (1.83 1.5))
896 (X-offset-callbacks . (,Stem::off_callback))
897 (X-extent-callback . ,Stem::dim_callback)
898 (Y-extent-callback . ,Stem::height)
899 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
900 (adjust-if-on-staffline . #t)
901 (font-family . music)
902 (avoid-note-head . #f)
904 (meta . ((interfaces . (stem-interface font-interface item-interface ))))
909 (molecule-callback . ,Stem_tremolo::brew_molecule)
910 (Y-extent-callback . ,Stem_tremolo::height)
911 (X-extent-callback . #f)
913 (beam-width . 1.6) ; staff-space
914 (beam-thickness . 0.48) ; staff-space
915 (meta . ((interfaces . (stem-tremolo-interface item-interface ))))
920 (meta . ((interfaces . (spacing-interface separation-item-interface item-interface ))))
923 (SeparatingGroupSpanner
925 (spacing-procedure . ,Separating_group_spanner::set_spacing_rods)
926 (meta . ((interfaces . (spacing-interface separation-spanner-interface spanner-interface))))
931 (no-spacing-rods . #t)
932 (molecule-callback . ,Sustain_pedal::brew_molecule)
933 (self-alignment-X . 0)
935 (padding . 0.0) ;; padding relative to SustainPedalLineSpanner
937 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
938 (meta . ((interfaces . (piano-pedal-interface text-spanner-interface text-interface self-alignment-interface font-interface item-interface))))
941 (SustainPedalLineSpanner
944 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
945 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
948 (minimum-space . 1.0)
950 (meta . ((interfaces . (piano-pedal-interface axis-group-interface side-position-interface spanner-interface))))
956 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
957 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
958 (meta . ((interfaces . (system-interface axis-group-interface spanner-interface))))
964 (molecule-callback . ,System_start_delimiter::brew_molecule)
965 (collapse-height . 5.0)
966 (font-family . braces)
967 (Y-extent-callback . #f)
968 (meta . ((interfaces . (system-start-delimiter-interface font-interface))))
973 (Y-extent-callback . #f)
974 (molecule-callback . ,System_start_delimiter::brew_molecule)
980 (bracket-collapse-height . 1)
982 (meta . ((interfaces . (system-start-delimiter-interface spanner-interface))))
987 (Y-extent-callback . #f)
988 (molecule-callback . ,System_start_delimiter::brew_molecule)
991 (after-line-breaking-callback . ,System_start_delimiter::after_line_breaking)
992 (meta . ((interfaces . (system-start-delimiter-interface spanner-interface))))
997 (molecule-callback . ,Text_item::brew_molecule)
998 (no-spacing-rods . #t)
999 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
1002 (script-priority . 200)
1003 ;; todo: add X self alignment?
1005 (font-family . roman)
1006 (meta . ((interfaces . (text-script-interface text-interface side-position-interface font-interface item-interface ))))
1011 (molecule-callback . ,Text_spanner::brew_molecule)
1012 (font-family . roman)
1015 ;; urg, only for (de)cresc. text spanners
1016 (if-text-padding . 1.0)
1017 (width-correct . -1)
1020 (meta . ((interfaces . (text-spanner-interface side-position-interface font-interface spanner-interface))))
1025 (font-family . roman)
1027 (molecule-callback . ,tablature-molecule-callback)
1028 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
1029 (extra-offset . (0 . -0.65)) ;; UGH! TODO: Clean this up!
1030 (stem-attachment-function . ,tablature-stem-attachment-function)
1031 (meta . ((interfaces
1032 . (rhythmic-head-interface
1034 note-head-interface staff-symbol-referencer-interface
1035 text-interface item-interface ))))
1041 (molecule-callback . ,Tie::brew_molecule)
1042 (spacing-procedure . ,Spanner::set_spacing_rods)
1043 (staffline-clearance . 0.35)
1044 (details . ((ratio . 0.333) (height-limit . 1.0)))
1048 (minimum-length . 2.5)
1049 (meta . ((interfaces . (tie-interface spanner-interface))))
1054 (after-line-breaking-callback . ,Tie_column::after_line_breaking)
1055 (X-extent-callback . ())
1056 (Yoo-extent-callback . ())
1057 (meta . ((interfaces . (tie-column-interface spanner-interface))))
1062 (molecule-callback . ,Time_signature::brew_molecule)
1063 (break-align-symbol . time-signature)
1064 (break-visibility . ,all-visible)
1066 (first-note . (extra-space . 2.0))
1067 (staff-bar . (minimum-space . 2.0))
1071 (font-family . number)
1072 (meta . ((interfaces . (time-signature-interface break-aligned-interface font-interface item-interface ))))
1080 (edge-widen . (0.0 . 0.0))
1081 (edge-height . (0.7 . 0.7))
1082 (shorten-pair . (-0.2 . -0.2))
1083 (before-line-breaking-callback . ,Tuplet_bracket::before_line_breaking)
1084 (after-line-breaking-callback . ,Tuplet_bracket::after_line_breaking)
1085 (molecule-callback . ,Tuplet_bracket::brew_molecule)
1086 (font-family . roman)
1087 (font-shape . italic)
1089 (font-relative-size . -1)
1090 (meta . ((interfaces . (text-interface tuplet-bracket-interface font-interface spanner-interface))))
1095 (molecule-callback . ,Text_item::brew_molecule)
1096 (font-family . roman)
1097 (font-shape . italic)
1098 (no-spacing-rods . #t)
1099 (self-alignment-X . 0)
1102 (padding . 0.0) ;; padding relative to UnaCordaPedalLineSpanner
1103 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
1104 (meta . ((interfaces . (text-interface self-alignment-interface font-interface item-interface ))))
1107 (UnaCordaPedalLineSpanner
1110 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1111 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1114 (minimum-space . 1.0)
1116 (meta . ((interfaces . (piano-pedal-interface axis-group-interface side-position-interface spanner-interface))))
1121 (molecule-callback . ,Volta_bracket_interface::brew_molecule)
1124 (font-style . volta)
1125 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1126 (thickness . 1.6) ; stafflinethickness
1127 (height . 2.0) ; staffspace;
1129 (font-family . number)
1130 (font-relative-size . -2)
1131 (meta . ((interfaces . (volta-bracket-interface text-interface side-position-interface font-interface spanner-interface))))
1137 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1139 (meta . ((interfaces . (align-interface axis-group-interface spanner-interface))))
1145 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1147 (meta . ((interfaces . (axis-group-interface spanner-interface))))
1155 (define (completize-grob-entry x)
1156 "transplant assoc key into 'name entry of 'meta of X
1158 (let* ((name-sym (car x))
1159 (grob-entry (cdr x))
1160 (metaentry (cdr (assoc 'meta grob-entry)))
1162 (cdr (assoc 'interfaces metaentry)))
1165 (set! metaentry (assoc-set! metaentry 'name name-sym))
1166 (set! metaentry (assoc-set! metaentry 'interfaces
1167 (cons 'grob-interface ifaces-entry)))
1168 (set! grob-entry (assoc-set! grob-entry 'meta metaentry))
1169 (cons name-sym grob-entry)))
1171 (set! all-grob-descriptions (map completize-grob-entry all-grob-descriptions))
1175 ; (display (map pair? all-grob-descriptions))
1178 ;; make sure that \property Foo.Bar =\turnOff doesn't complain
1181 ; (display (car x)) (newline)
1183 (set-object-property! (car x) 'translation-type? list?)
1184 (set-object-property! (car x) 'is-grob? #t))
1185 all-grob-descriptions)
1188 (set! all-grob-descriptions (sort all-grob-descriptions alist<?))