1 ;;;; grob-description.scm -- part of generated backend documentation
3 ;;;; source file of the GNU LilyPond music typesetter
5 ;;;; (c) 1998--2003 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-public all-grob-descriptions
19 (molecule-callback . ,Accidental_interface::brew_molecule)
21 (cautionary-style . parentheses)
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.
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 . (fixed-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 (key-signature . (extra-space . 1.0))
81 (first-note . (fixed-space . 1.3))
82 (next-note . (semi-fixed-space . 1.3))
83 (right-edge . (extra-space . 0.0))
87 ;; Ross. page 151 lists other values, we opt for a leaner look
91 (hair-thickness . 1.6)
92 (thick-thickness . 6.0)
93 (meta . ((interfaces . (bar-line-interface item-interface break-aligned-interface font-interface))))
99 (molecule-callback . ,Text_item::brew_molecule)
101 (break-visibility . ,begin-of-line-visible)
104 (font-family . roman)
106 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
107 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
108 (self-alignment-X . 1)
109 (extra-offset . (1.3 . 0))
111 ((interfaces . (side-position-interface
113 self-alignment-interface
114 font-interface item-interface break-aligned-interface))))
120 (molecule-callback . ,Text_item::brew_molecule)
121 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
123 (font-family . number)
125 ;; We must do this, other BFs in
126 ;; paper16 become too small.
128 (font-magnification . 0.8)
130 (meta . ((interfaces . (text-interface rhythmic-grob-interface
131 bass-figure-interface item-interface
132 self-alignment-interface font-interface))))
136 ;; todo: clean this up a bit: the list is getting
138 (molecule-callback . ,Beam::brew_molecule)
139 (concaveness-gap . 2.0)
140 (concaveness-threshold . 0.08)
142 (positions . (#f . #f))
143 (position-callbacks . (,Beam::least_squares
146 ,Beam::shift_region_to_valid
150 ;; TODO: should be in SLT.
151 (thickness . 0.48) ; in staff-space
152 (before-line-breaking-callback . ,Beam::before_line_breaking)
153 (after-line-breaking-callback . ,Beam::after_line_breaking)
154 (neutral-direction . -1)
155 (dir-function . ,beam-dir-majority-median)
157 ;; Whe have some unreferenced problems here.
159 ;; If we shorten beamed stems less than normal stems (1 staffspace),
160 ;; or high order less than 8th beams, patterns like
161 ;; c''4 [c''8 c''] c''4 [c''16 c]
162 ;; are ugly (different stem lengths).
164 ;; But if we shorten 16th beams as much as 8th beams, a single
165 ;; forced 16th beam looks *very* short.
167 ;; We choose to shorten 8th beams the same as single stems,
168 ;; and high order beams less than 8th beams, so that all
169 ;; isolated shortened beams look nice and a bit shortened,
170 ;; sadly possibly breaking patterns with high order beams.
171 (beamed-stem-shorten . (1.0 0.5 0.25))
173 (outer-stem-length-limit . 0.2)
175 (flag-width-function . ,beam-flag-width-function)
177 (auto-knee-gap . 5.5)
179 ;; only for debugging.
180 (font-family . roman)
182 (space-function . ,Beam::space_function)
183 (meta . ((interfaces . (staff-symbol-referencer-interface beam-interface spanner-interface))))
191 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
192 (meta . ((interfaces . (break-alignment-interface item-interface axis-group-interface)))))
198 (X-offset-callbacks . (,Break_align_interface::alignment_callback))
199 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
200 (meta . ((interfaces . (break-aligned-interface item-interface axis-group-interface item-interface ))))
205 (break-align-symbol . breathing-sign)
208 (ambitus . (extra-space . 2.0))
209 (custos . (minimum-space . 1.0))
210 (key-signature . (minimum-space . 1.5))
211 (staff-bar . (minimum-space . 1.5))
212 (clef . (minimum-space . 2.0))
213 (first-note . (fixed-space . 1.0)) ;huh?
214 (right-edge . (extra-space . 0.1))
216 (molecule-callback . ,Text_item::brew_molecule)
217 (text . ,(make-musicglyph-markup "scripts-rcomma"))
218 (Y-offset-callbacks . (,Breathing_sign::offset_callback))
219 (break-visibility . ,begin-of-line-invisible)
220 (meta . ((interfaces . (break-aligned-interface breathing-sign-interface text-interface font-interface item-interface ))))
225 (molecule-callback . ,Clef::brew_molecule)
226 (before-line-breaking-callback . ,Clef::before_line_breaking)
228 (font-family . music)
229 (break-align-symbol . clef)
230 (break-visibility . ,begin-of-line-visible)
231 (space-alist . ((ambitus . (extra-space . 2.0))
232 (staff-bar . (extra-space . 0.7))
233 (key-signature . (minimum-space . 4.0))
234 (time-signature . (minimum-space . 4.2))
235 (first-note . (minimum-fixed-space . 5.0))
236 (next-note . (extra-space . 0.5))
237 (right-edge . (extra-space . 0.5))
239 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
240 (meta . ((interfaces . (clef-interface staff-symbol-referencer-interface font-interface break-aligned-interface item-interface ))))
243 (ClusterSpannerBeacon
245 (molecule-callback . #f)
246 (meta . ((interfaces . (cluster-beacon-interface item-interface))))
251 (molecule-callback . ,Cluster::brew_molecule)
252 (spacing-procedure . ,Spanner::set_spacing_rods)
253 (minimum-length . 0.0)
256 (meta . ((interfaces . (cluster-interface spanner-interface))))
261 (molecule-callback . ,Text_item::brew_molecule)
262 (after-line-breaking-callback . ,Chord_name::after_line_breaking)
266 (meta . ((interfaces . (font-interface rhythmic-grob-interface
267 text-interface chord-name-interface item-interface ))))
272 (break-align-symbol . custos)
274 (molecule-callback . ,Custos::brew_molecule)
275 (break-visibility . ,end-of-line-visible)
277 (neutral-position . 0)
278 (neutral-direction . -1)
279 (adjust-if-on-staffline . #t)
280 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
282 (first-note . (minimum-fixed-space . 0.0))
283 (right-edge . (extra-space . 0.1))
286 . (custos-interface staff-symbol-referencer-interface
288 break-aligned-interface item-interface ))))
296 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
297 (X-offset-callbacks . (,Dot_column::side_position))
298 (meta . ((interfaces . (dot-column-interface axis-group-interface item-interface ))))
303 (molecule-callback . ,Dots::brew_molecule)
305 (meta . ((interfaces . (font-interface staff-symbol-referencer-interface dots-interface item-interface ))))
308 (DoublePercentRepeat .
310 (molecule-callback . ,Percent_repeat_item_interface::double_percent)
313 (font-family . music)
316 (break-align-symbol . staff-bar)
317 (break-visibility . ,begin-of-line-invisible)
318 (meta . ((interfaces . (font-interface
319 break-aligned-interface
320 percent-repeat-interface item-interface ))))
325 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
326 (molecule-callback . ,Text_item::brew_molecule)
327 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self
328 ,Self_alignment_interface::centered_on_parent))
329 (self-alignment-X . 0)
330 (no-spacing-rods . #t)
331 (script-priority . 100)
333 (font-family . dynamic)
334 (font-shape . italic)
335 (self-alignment-Y . 0)
336 (meta . ((interfaces . (font-interface text-interface self-alignment-interface dynamic-interface script-interface item-interface ))))
342 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
343 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
345 (minimum-space . 1.2)
347 (meta . ((interfaces . (dynamic-interface axis-group-interface side-position-interface spanner-interface))))
352 (break-align-symbol . left-edge)
353 (X-extent-callback . ,Grob::point_dimension_callback)
356 (custos . (extra-space . 0.0))
357 (ambitus . (extra-space . 2.0))
358 (time-signature . (extra-space . 0.0))
359 (staff-bar . (extra-space . 0.0))
360 (breathing-sign . (minimum-space . 0.0))
361 (clef . (extra-space . 0.85))
362 (first-note . (fixed-space . 1.0))
363 (right-edge . (extra-space . 0.0))
364 (key-signature . (extra-space . 0.0))
366 (meta . ((interfaces . (break-aligned-interface item-interface ))))
371 (molecule-callback . ,Text_item::brew_molecule)
373 (self-alignment-X . 0)
374 (self-alignment-Y . 0)
375 (script-priority . 100)
376 (font-family . number)
378 (font-shape . upright)
379 (meta . ((interfaces . (finger-interface font-interface text-script-interface text-interface side-position-interface self-alignment-interface item-interface ))))
383 (RemoveEmptyVerticalGroup
385 (Y-offset-callbacks . (,Hara_kiri_group_spanner::force_hara_kiri_callback))
386 (Y-extent-callback . ,Hara_kiri_group_spanner::y_extent)
389 (meta . ((interfaces . (axis-group-interface hara-kiri-group-interface item-interface spanner-interface))))
394 (molecule-callback . ,Hairpin::brew_molecule)
397 (spacing-procedure . ,Spanner::set_spacing_rods)
398 (minimum-length . 2.0)
399 (if-text-padding . 1.0)
401 (self-alignment-Y . 0)
402 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
403 (meta . ((interfaces . (hairpin-interface line-interface self-alignment-interface dynamic-interface spanner-interface))))
409 (molecule-callback . ,Horizontal_bracket::brew_molecule)
410 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
413 (meta . ((interfaces . (horizontal-bracket-interface side-position-interface spanner-interface))))
418 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self
419 ,Side_position_interface::aligned_on_support_refpoints))
420 ;; This direction is for aligned_on_support_refpoints
424 (left-edge . (extra-space . 1.0))
427 (self-alignment-Y . 0)
428 (molecule-callback . ,Text_item::brew_molecule)
429 (break-align-symbol . instrument-name)
430 (break-visibility . ,begin-of-line-visible)
432 (font-family . roman)
433 (meta . ((interfaces . (font-interface self-alignment-interface side-position-interface text-interface break-aligned-interface item-interface ))))
438 (molecule-callback . ,Key_signature_interface::brew_molecule)
440 (time-signature . (extra-space . 1.25))
441 (staff-bar . (extra-space . 1.1))
442 (right-edge . (extra-space . 0.5))
443 (first-note . (fixed-space . 2.5))
445 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
446 (break-align-symbol . key-signature)
447 (break-visibility . ,begin-of-line-visible)
449 (meta . ((interfaces . (key-signature-interface font-interface break-aligned-interface item-interface ))))
454 (ligature-primitive-callback . ,Note_head::brew_molecule)
459 (edge-height . (0.7 . 0.7))
460 (shorten-pair . (-0.2 . -0.2))
461 (before-line-breaking-callback . ,Tuplet_bracket::before_line_breaking)
462 (after-line-breaking-callback . ,Tuplet_bracket::after_line_breaking)
463 (molecule-callback . ,Tuplet_bracket::brew_molecule)
464 (meta . ((interfaces . (tuplet-bracket-interface spanner-interface))))
473 (minimum-length . 0.5)
474 (molecule-callback . ,Hyphen_spanner::brew_molecule)
475 (Y-extent-callback . ,Grob::point_dimension_callback)
476 (meta . ((interfaces . (lyric-hyphen-interface spanner-interface))))
481 (molecule-callback . ,Lyric_extender::brew_molecule)
482 (thickness . 0.8) ; stafflinethickness;
483 (minimum-length . 1.5)
484 (Y-extent-callback . ,Grob::point_dimension_callback)
485 (meta . ((interfaces . (lyric-extender-interface spanner-interface))))
489 . ((molecule-callback . ,Text_item::brew_molecule)
490 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_parent))
491 (self-alignment-X . 0)
493 (font-family . roman)
494 (font-series . bold-narrow)
495 (font-shape . upright)
497 (meta . ((interfaces . (rhythmic-grob-interface lyric-syllable-interface self-alignment-interface text-interface font-interface item-interface ))))
504 (ligature-primitive-callback . ,Mensural_ligature::brew_ligature_primitive)
505 (molecule-callback . ,Mensural_ligature::brew_molecule)
506 (meta . ((interfaces . (mensural-ligature-interface font-interface))))
511 (molecule-callback . ,Text_item::brew_molecule)
512 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
513 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
514 (after-line-breaking-callback . ,shift-right-at-line-begin)
515 (self-alignment-X . 0)
519 (font-family . roman)
521 (break-visibility . ,end-of-line-invisible)
523 (meta . ((interfaces . (text-interface side-position-interface font-interface mark-interface self-alignment-interface item-interface ))))
527 (molecule-callback . ,Text_item::brew_molecule)
528 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
531 (font-family . roman)
532 (break-visibility . ,end-of-line-invisible)
534 (meta . ((interfaces . (text-interface side-position-interface font-interface metronome-mark-interface item-interface))))
538 (Y-offset-callbacks . (,Side_position_interface::out_of_staff
539 ,Side_position_interface::aligned_side))
540 (molecule-callback . ,Measure_grouping::brew_molecule)
546 (meta . ((interfaces . (spanner-interface side-position-interface measure-grouping-interface))))
550 (spacing-procedure . ,Multi_measure_rest::set_spacing_rods)
551 (molecule-callback . ,Multi_measure_rest::brew_molecule)
552 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
555 (thick-thickness . 6.6)
556 (hair-thickness . 2.0)
558 (meta . ((interfaces . (multi-measure-rest-interface rest-interface font-interface staff-symbol-referencer-interface))))
561 (MultiMeasureRestNumber
563 (molecule-callback . ,Text_item::brew_molecule)
564 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self
565 ,Self_alignment_interface::centered_on_other_axis_parent))
566 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
567 (self-alignment-X . 0)
570 (font-family . number)
571 (meta . ((interfaces . (side-position-interface self-alignment-interface font-interface spanner-interface text-interface))))
573 (MultiMeasureRestText
575 (molecule-callback . ,Text_item::brew_molecule)
576 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self
577 ,Self_alignment_interface::centered_on_other_axis_parent))
578 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
579 (self-alignment-X . 0)
582 (font-family . roman)
583 (meta . ((interfaces . (side-position-interface self-alignment-interface font-interface spanner-interface text-interface))))
588 ;; Ugh, should not be hard-coded.
590 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
591 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
592 (meta . ((interfaces . (note-collision-interface axis-group-interface item-interface ))))
598 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
599 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
600 (meta . ((interfaces . (axis-group-interface note-column-interface item-interface ))))
606 (molecule-callback . ,Note_head::brew_molecule)
607 (ligature-primitive-callback . ,Note_head::brew_molecule)
608 (glyph-name-procedure . ,find-notehead-symbol)
609 (X-extent-callback . ,Note_head::extent)
610 (Y-extent-callback . ,Note_head::extent)
611 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
612 (stem-attachment-function . ,note-head-style->attachment-coordinates)
613 (meta . ((interfaces . (rhythmic-grob-interface rhythmic-head-interface font-interface note-head-interface staff-symbol-referencer-interface item-interface ))))
620 (zigzag-width . 0.75)
622 (X-extent-callback . #f)
623 (Y-extent-callback . #f)
624 (after-line-breaking-callback . ,Line_spanner::after_line_breaking)
625 (molecule-callback . ,Line_spanner::brew_molecule)
626 (meta . ((interfaces . (line-spanner-interface spanner-interface))))
634 (X-extent-callback . #f)
635 (Y-extent-callback . #f)
636 (molecule-callback . ,Line_spanner::brew_molecule)
637 (after-line-breaking-callback . ,Line_spanner::after_line_breaking)
638 (meta . ((interfaces . (line-spanner-interface spanner-interface))))
643 (molecule-callback . ,Text_item::brew_molecule)
644 (font-family . roman)
645 (meta . ((interfaces . (note-name-interface text-interface font-interface item-interface ))))
650 (self-alignment-X . 0)
651 (break-visibility . ,begin-of-line-visible)
652 (X-offset-callbacks . (,Self_alignment_interface::centered_on_parent ,Self_alignment_interface::aligned_on_self))
653 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
654 (molecule-callback . ,Text_item::brew_molecule)
655 (font-shape . italic)
658 (font-family . roman)
659 (meta . ((interfaces . (text-interface self-alignment-interface side-position-interface font-interface item-interface ))))
665 (before-line-breaking-callback . ,Paper_column::before_line_breaking)
666 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
668 ; (molecule-callback . ,Paper_column::brew_molecule) (font-name . "cmr8") (Y-extent-callback . #f)
669 (meta . ((interfaces . (paper-column-interface axis-group-interface spaceable-grob-interface item-interface ))))
674 (molecule-callback . ,Slur::brew_molecule)
676 (spacing-procedure . ,Spanner::set_spacing_rods)
677 (minimum-length . 1.5)
678 (after-line-breaking-callback . ,Slur::after_line_breaking)
679 (extremity-rules . ,default-slur-extremity-rules)
680 (extremity-offset-alist . ,default-phrasing-slur-extremity-offset-alist)
681 (de-uglify-parameters . (1.5 0.8 -2.0))
682 (Y-extent-callback . ,Slur::height)
687 (attachment . (#f . #f))
688 (attachment-offset . ((0 . 0) . (0 . 0)))
690 (details . ((force-blowfit . 0.5)
691 (bezier-pct-c0 . -0.2) (bezier-pct-c3 . 0.000006)
692 (bezier-pct-out-max . 0.8) (bezier-pct-in-max . 1.2)
693 (bezier-area-steps . 1.0)))
694 (meta . ((interfaces . (slur-interface spanner-interface))))
697 (NonMusicalPaperColumn
700 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
701 (before-line-breaking-callback . ,Paper_column::before_line_breaking)
702 ;; debugging stuff: print column number.
703 ; (molecule-callback . ,Paper_column::brew_molecule) (font-name . "cmr8") (Y-extent-callback . #f)
706 (meta . ((interfaces . (paper-column-interface axis-group-interface spaceable-grob-interface item-interface ))))
711 (spacing-procedure . ,Multi_measure_rest::set_spacing_rods)
712 (molecule-callback . ,Multi_measure_rest::percent)
715 (minimum-width . 12.5) ; staffspace
716 (font-family . music)
717 (meta . ((interfaces . (multi-measure-rest-interface spanner-interface font-interface percent-repeat-interface))))
720 (PianoPedalBracket ;; an example of a text spanner
722 (molecule-callback . ,Text_spanner::brew_molecule)
723 (after-line-breaking-callback . ,Piano_pedal_bracket::after_line_breaking)
724 (font-family . roman)
726 (if-text-padding . 1.0)
727 (enclose-bounds . #t)
729 (bracket-flare . (0.5 . 0.5))
730 (edge-height . (1.0 . 1.0))
731 (shorten-pair . (0.0 . 0.0))
733 (meta . ((interfaces . (text-spanner-interface piano-pedal-interface piano-pedal-bracket-interface spanner-interface))))
738 (molecule-callback . ,Percent_repeat_item_interface::beat_slash)
741 (meta . ((interfaces . (percent-repeat-interface item-interface ))))
745 (after-line-breaking-callback . ,Rest::after_line_breaking)
746 (X-extent-callback . ,Rest::extent_callback)
747 (Y-extent-callback . ,Rest::extent_callback)
748 (molecule-callback . ,Rest::brew_molecule)
749 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
750 (minimum-beam-collision-distance . 0.75)
752 (interfaces . (font-interface
753 rhythmic-head-interface
754 rhythmic-grob-interface
756 staff-symbol-referencer-interface
757 rest-interface item-interface ))
762 (minimum-distance . 0.75)
763 (meta . ((interfaces . (rest-collision-interface item-interface ))))
768 ;; don't set direction here: it breaks staccato.
769 (molecule-callback . ,Script_interface::brew_molecule)
771 ;; This value is sensitive: if too large, staccato dots will move a
774 ;; (script-priority . 0) priorities for scripts, see script.scm
775 (X-offset-callbacks . (,Self_alignment_interface::centered_on_parent))
776 (before-line-breaking-callback . ,Script_interface::before_line_breaking)
777 (font-family . music)
778 (meta . ((interfaces . (script-interface side-position-interface font-interface item-interface ))))
783 (before-line-breaking-callback . ,Script_column::before_line_breaking)
784 (meta . ((interfaces . (script-column-interface item-interface ))))
789 (molecule-callback . ,Slur::brew_molecule)
791 (spacing-procedure . ,Spanner::set_spacing_rods)
792 (minimum-length . 1.5)
793 (after-line-breaking-callback . ,Slur::after_line_breaking)
794 (extremity-rules . ,default-slur-extremity-rules)
795 (extremity-offset-alist . ,default-slur-extremity-offset-alist)
796 (de-uglify-parameters . (1.5 0.8 -2.0))
797 (Y-extent-callback . ,Slur::height)
802 (attachment . (#f . #f))
803 (attachment-offset . ((0 . 0) . (0 . 0)))
805 (details . ((force-blowfit . 0.5)
806 (bezier-pct-c0 . -0.2) (bezier-pct-c3 . 0.000006)
807 (bezier-pct-out-max . 0.8) (bezier-pct-in-max . 1.2)
808 (bezier-area-steps . 1.0)))
809 (meta . ((interfaces . (slur-interface spanner-interface))))
814 (spacing-procedure . ,Spacing_spanner::set_springs)
815 (grace-space-factor . 0.6)
816 (shortest-duration-space . 2.0)
817 (spacing-increment . 1.2)
818 (base-shortest-duration . ,(ly:make-moment 1 8))
819 (meta . ((interfaces . (spacing-interface spacing-spanner-interface spanner-interface))))
824 (break-align-symbol . staff-bar)
825 (bar-size-procedure . ,Span_bar::get_bar_size)
826 (molecule-callback . ,Span_bar::brew_molecule)
827 (break-visibility . ,begin-of-line-invisible)
828 (X-extent-callback . ,Span_bar::width_callback)
829 (Y-extent-callback . ())
832 (before-line-breaking-callback . ,Span_bar::before_line_breaking)
836 ;; Ross. page 151 lists other values, we opt for a leaner look
840 (hair-thickness . 1.6)
841 (thick-thickness . 6.0)
842 (meta . ((interfaces . (span-bar-interface font-interface
843 bar-line-interface item-interface ))))
847 . ((molecule-callback . ,Text_item::brew_molecule)
848 (font-family . roman)
851 (X-offset-callbacks . (,Side_position_interface::aligned_side))
853 (meta . ((interfaces . (side-position-interface text-interface font-interface item-interface ))))
859 (stem-spacing-correction . 0.4)
861 (meta . ((interfaces . (spacing-interface staff-spacing-interface item-interface ))))
865 (stem-spacing-correction . 0.5)
867 ;; Changed this from 0.75.
868 ;; If you ever change this back, please document! --hwn
869 (knee-spacing-correction . 1.0)
871 (meta . ((interfaces . (spacing-interface note-spacing-interface item-interface ))))
876 (molecule-callback . ,Staff_symbol::brew_molecule)
879 (meta . ((interfaces . (staff-symbol-interface spanner-interface))))
884 (molecule-callback . ,Text_item::brew_molecule)
886 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
887 (no-spacing-rods . #t)
888 (padding . 0.0) ;; padding relative to SostenutoPedalLineSpanner
889 (font-family . roman)
890 (font-shape . italic)
891 (self-alignment-X . 0)
892 (meta . ((interfaces . (text-interface self-alignment-interface font-interface item-interface))))
895 (SostenutoPedalLineSpanner
898 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
899 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
903 (minimum-space . 1.0)
905 (meta . ((interfaces . (piano-pedal-interface axis-group-interface side-position-interface spanner-interface))))
911 ;; this list is rather long. Trim --hwn
912 (before-line-breaking-callback . ,Stem::before_line_breaking)
913 (molecule-callback . ,Stem::brew_molecule)
916 ;; 3.5 (or 3 measured from note head) is standar length
917 ;; 32nd, 64th flagged stems should be longer
918 (lengths . (3.5 3.5 3.5 4.5 5.0))
920 ;; Stems in unnatural (forced) direction should be shortened by
921 ;; one staff space, according to [Roush & Gourlay].
922 ;; Flagged stems we shorten only half a staff space.
923 (stem-shorten . (1.0 0.5))
925 ;; default stem direction for note on middle line
926 (neutral-direction . -1)
930 ;; FIXME. 3.5 yields too long beams (according to Ross and
931 ;; looking at Baerenreiter examples) for a number of common
932 ;; boundary cases. Subtracting half a beam thickness fixes
933 ;; this, but the bug may well be somewhere else.
935 ;; FIXME this should come from 'lengths
937 ; (beamed-lengths . (3.26 3.26 1.5))
938 (beamed-lengths . (3.5 3.5 3.5 4.5 5.0))
940 ;; We use the normal minima as minimum for the ideal lengths,
941 ;; and the extreme minima as abolute minimum length.
943 ;; The 'normal' minima
944 (beamed-minimum-free-lengths . (1.83 1.5 1.25))
946 ;; The 'extreme case' minima
947 (beamed-extreme-minimum-free-lengths . (2.0 1.25))
949 (X-offset-callbacks . (,Stem::off_callback))
950 (X-extent-callback . ,Stem::dim_callback)
951 (Y-extent-callback . ,Stem::height)
952 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
953 (adjust-if-on-staffline . #t)
954 (font-family . music)
955 (meta . ((interfaces . (stem-interface font-interface item-interface ))))
960 (molecule-callback . ,Stem_tremolo::brew_molecule)
961 (Y-extent-callback . ,Stem_tremolo::height)
962 (X-extent-callback . #f)
964 (beam-width . 1.6) ; staff-space
965 (beam-thickness . 0.48) ; staff-space
966 (meta . ((interfaces . (stem-tremolo-interface item-interface ))))
971 (X-extent-callback . #f)
972 (Y-extent-callback . #f)
973 (meta . ((interfaces . (spacing-interface separation-item-interface item-interface ))))
976 (SeparatingGroupSpanner
978 (spacing-procedure . ,Separating_group_spanner::set_spacing_rods)
979 (meta . ((interfaces . (only-prebreak-interface spacing-interface separation-spanner-interface spanner-interface))))
984 (no-spacing-rods . #t)
985 (molecule-callback . ,Sustain_pedal::brew_molecule)
986 (self-alignment-X . 0)
988 (padding . 0.0) ;; padding relative to SustainPedalLineSpanner
989 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
990 (meta . ((interfaces . (piano-pedal-interface text-spanner-interface text-interface self-alignment-interface font-interface item-interface))))
993 (SustainPedalLineSpanner
996 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
997 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1000 (minimum-space . 1.0)
1002 (meta . ((interfaces . (piano-pedal-interface axis-group-interface side-position-interface spanner-interface))))
1008 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
1009 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1010 (meta . ((interfaces . (system-interface axis-group-interface spanner-interface))))
1016 (molecule-callback . ,System_start_delimiter::brew_molecule)
1017 (collapse-height . 5.0)
1018 (font-family . braces)
1019 (Y-extent-callback . #f)
1020 (meta . ((interfaces . (system-start-delimiter-interface font-interface))))
1025 (Y-extent-callback . #f)
1026 (molecule-callback . ,System_start_delimiter::brew_molecule)
1032 (bracket-collapse-height . 1)
1034 (meta . ((interfaces . (system-start-delimiter-interface spanner-interface))))
1039 (Y-extent-callback . #f)
1040 (molecule-callback . ,System_start_delimiter::brew_molecule)
1041 (glyph . "bar-line")
1043 (after-line-breaking-callback . ,System_start_delimiter::after_line_breaking)
1044 (meta . ((interfaces . (system-start-delimiter-interface spanner-interface))))
1049 (molecule-callback . ,Text_item::brew_molecule)
1050 (no-spacing-rods . #t)
1051 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
1054 (script-priority . 200)
1055 ;; todo: add X self alignment?
1057 (font-family . roman)
1058 (meta . ((interfaces . (text-script-interface text-interface side-position-interface font-interface item-interface ))))
1063 (molecule-callback . ,Text_spanner::brew_molecule)
1064 (font-family . roman)
1065 (style . dashed-line)
1067 ;; urg, only for (de)cresc. text spanners
1068 (if-text-padding . 1.0)
1069 (dash-fraction . 0.2)
1072 (meta . ((interfaces . (text-spanner-interface side-position-interface font-interface spanner-interface))))
1077 (Y-offset-callbacks . (,Side_position_interface::out_of_staff
1078 ,Side_position_interface::aligned_side))
1079 (molecule-callback . ,Ottava_bracket::brew_molecule)
1080 (font-shape . italic)
1081 (font-family . roman)
1082 (text-repeat-if-broken . #t)
1083 (shorten-pair . (0.0 . -0.6))
1084 (staff-padding . 1.0)
1086 (enclose-bounds . #t)
1087 (minimum-length . 1.0)
1088 (dash-fraction . 0.3)
1089 (edge-height . (0 . 1.2))
1091 (meta . ((interfaces . (ottava-bracket-interface
1092 line-interface side-position-interface
1093 font-interface text-interface spanner-interface))))
1098 (font-family . roman)
1100 (molecule-callback . ,Text_item::brew_molecule)
1101 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
1102 (extra-offset . (0 . -0.65)) ;; UGH! TODO: Clean this up!
1103 (stem-attachment-function . ,tablature-stem-attachment-function)
1104 (meta . ((interfaces
1105 . (rhythmic-head-interface
1107 note-head-interface staff-symbol-referencer-interface
1108 text-interface item-interface ))))
1114 (molecule-callback . ,Tie::brew_molecule)
1115 (spacing-procedure . ,Spanner::set_spacing_rods)
1116 (staffline-clearance . 0.35)
1117 (details . ((ratio . 0.333) (height-limit . 1.0)))
1121 (minimum-length . 2.5)
1122 (meta . ((interfaces . (tie-interface spanner-interface))))
1127 (after-line-breaking-callback . ,Tie_column::after_line_breaking)
1128 (X-extent-callback . #f)
1129 (Y-extent-callback . #f)
1130 (meta . ((interfaces . (tie-column-interface spanner-interface))))
1135 (molecule-callback . ,Time_signature::brew_molecule)
1136 ; (molecule-callback . ,Text_item::brew_molecule)
1137 (break-align-symbol . time-signature)
1138 (break-visibility . ,all-visible)
1140 (first-note . (fixed-space . 2.0))
1141 (right-edge . (extra-space . 0.5))
1142 (staff-bar . (minimum-space . 2.0))
1146 ; (text . (,time-signature-glue-markup))
1147 (font-family . number)
1148 (meta . ((interfaces . (time-signature-interface break-aligned-interface font-interface item-interface ))))
1156 (edge-height . (0.7 . 0.7))
1157 (shorten-pair . (-0.2 . -0.2))
1158 (before-line-breaking-callback . ,Tuplet_bracket::before_line_breaking)
1159 (after-line-breaking-callback . ,Tuplet_bracket::after_line_breaking)
1160 (molecule-callback . ,Tuplet_bracket::brew_molecule)
1161 (font-family . roman)
1162 (font-shape . italic)
1163 (font-series . bold)
1166 (meta . ((interfaces . (text-interface line-interface tuplet-bracket-interface font-interface spanner-interface))))
1171 (molecule-callback . ,Text_item::brew_molecule)
1172 (font-family . roman)
1173 (font-shape . italic)
1174 (no-spacing-rods . #t)
1175 (self-alignment-X . 0)
1177 (padding . 0.0) ;; padding relative to UnaCordaPedalLineSpanner
1178 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
1179 (meta . ((interfaces . (text-interface self-alignment-interface font-interface item-interface ))))
1182 (UnaCordaPedalLineSpanner
1185 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1186 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1189 (minimum-space . 1.0)
1191 (meta . ((interfaces . (piano-pedal-interface axis-group-interface side-position-interface spanner-interface))))
1198 (ligature-primitive-callback . ,Vaticana_ligature::brew_ligature_primitive)
1199 (molecule-callback . ,Vaticana_ligature::brew_molecule)
1200 (meta . ((interfaces . (vaticana-ligature-interface font-interface))))
1205 (molecule-callback . ,Volta_bracket_interface::brew_molecule)
1208 (font-family . number)
1209 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1210 (thickness . 1.6) ; stafflinethickness
1211 (height . 2.0) ; staffspace;
1213 (font-family . number)
1215 (meta . ((interfaces . (volta-bracket-interface line-interface text-interface side-position-interface font-interface spanner-interface))))
1221 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1222 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
1224 (meta . ((interfaces . (align-interface axis-group-interface spanner-interface))))
1230 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1231 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
1233 (meta . ((interfaces . (axis-group-interface spanner-interface))))
1241 (define (completize-grob-entry x)
1242 "transplant assoc key into 'name entry of 'meta of X
1244 (let* ((name-sym (car x))
1245 (grob-entry (cdr x))
1246 (metaentry (cdr (assoc 'meta grob-entry)))
1248 (cdr (assoc 'interfaces metaentry)))
1251 (set! metaentry (assoc-set! metaentry 'name name-sym))
1252 (set! metaentry (assoc-set! metaentry 'interfaces
1253 (cons 'grob-interface ifaces-entry)))
1254 (set! grob-entry (assoc-set! grob-entry 'meta metaentry))
1255 (cons name-sym grob-entry)))
1257 (set! all-grob-descriptions (map completize-grob-entry all-grob-descriptions))
1261 ; (display (map pair? all-grob-descriptions))
1264 ;; make sure that \property Foo.Bar =\turnOff doesn't complain
1267 ; (display (car x)) (newline)
1269 (set-object-property! (car x) 'translation-type? list?)
1270 (set-object-property! (car x) 'is-grob? #t))
1271 all-grob-descriptions)
1274 (set! all-grob-descriptions (sort all-grob-descriptions alist<?))