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.
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 (key-signature . (extra-space . 1.0))
81 (first-note . (extra-space . 1.3))
82 (right-edge . (extra-space . 0.0))
86 ;; Ross. page 151 lists other values, we opt for a leaner look
90 (hair-thickness . 1.6)
91 (thick-thickness . 6.0)
92 (meta . ((interfaces . (bar-line-interface item-interface break-aligned-interface font-interface))))
98 (molecule-callback . ,Text_item::brew_molecule)
100 (break-visibility . ,begin-of-line-visible)
103 (font-family . roman)
104 (font-relative-size . -1)
105 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
106 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
107 (self-alignment-X . 1)
108 (extra-offset . (1.3 . 0))
110 ((interfaces . (side-position-interface
112 self-alignment-interface
113 font-interface item-interface break-aligned-interface))))
119 (molecule-callback . ,Text_item::brew_molecule)
120 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
122 (font-family . number)
123 (font-relative-size . -3)
125 (meta . ((interfaces . (text-interface rhythmic-grob-interface
126 bass-figure-interface item-interface
127 self-alignment-interface font-interface))))
131 ;; todo: clean this up a bit: the list is getting
133 (molecule-callback . ,Beam::brew_molecule)
134 (concaveness-gap . 2.0)
135 (concaveness-threshold . 0.08)
137 (positions . (#f . #f))
138 (position-callbacks . (,Beam::least_squares
141 ,Beam::shift_region_to_valid
145 ;; TODO: should be in SLT.
146 (thickness . 0.48) ; in staff-space
147 (before-line-breaking-callback . ,Beam::before_line_breaking)
148 (after-line-breaking-callback . ,Beam::after_line_breaking)
149 (neutral-direction . -1)
150 (dir-function . ,beam-dir-majority-median)
152 ;; Whe have some unreferenced problems here.
154 ;; If we shorten beamed stems less than normal stems (1 staffspace),
155 ;; or high order less than 8th beams, patterns like
156 ;; c''4 [c''8 c''] c''4 [c''16 c]
157 ;; are ugly (different stem lengths).
159 ;; But if we shorten 16th beams as much as 8th beams, a single
160 ;; forced 16th beam looks *very* short.
162 ;; We choose to shorten 8th beams the same as single stems,
163 ;; and high order beams less than 8th beams, so that all
164 ;; isolated shortened beams look nice and a bit shortened,
165 ;; sadly possibly breaking patterns with high order beams.
166 (beamed-stem-shorten . (1.0 0.5 0.25))
168 (outer-stem-length-limit . 0.2)
170 (flag-width-function . ,beam-flag-width-function)
172 (auto-knee-gap . 5.5)
174 ;; only for debugging.
175 ; (font-name . "cmr10")
177 (space-function . ,Beam::space_function)
178 (meta . ((interfaces . (staff-symbol-referencer-interface beam-interface spanner-interface))))
186 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
187 (meta . ((interfaces . (break-alignment-interface item-interface axis-group-interface)))))
193 (X-offset-callbacks . (,Break_align_interface::alignment_callback))
194 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
195 (meta . ((interfaces . (break-aligned-interface item-interface axis-group-interface item-interface ))))
200 (break-align-symbol . breathing-sign)
203 (ambitus . (extra-space . 2.0))
204 (custos . (minimum-space . 1.0))
205 (key-signature . (minimum-space . 1.5))
206 (staff-bar . (minimum-space . 1.5))
207 (clef . (minimum-space . 2.0))
208 (first-note . (minimum-space . 1.0))
209 (right-edge . (extra-space . 0.1))
211 (molecule-callback . ,Text_item::brew_molecule)
212 (text . ,(make-musicglyph-markup "scripts-rcomma"))
213 (Y-offset-callbacks . (,Breathing_sign::offset_callback))
214 (break-visibility . ,begin-of-line-invisible)
215 (meta . ((interfaces . (break-aligned-interface breathing-sign-interface text-interface font-interface item-interface ))))
220 (molecule-callback . ,Clef::brew_molecule)
221 (before-line-breaking-callback . ,Clef::before_line_breaking)
223 (font-family . music)
224 (break-align-symbol . clef)
225 (break-visibility . ,begin-of-line-visible)
227 (ambitus . (extra-space . 2.0))
228 (staff-bar . (minimum-space . 3.7))
229 (key-signature . (minimum-space . 4.0))
230 (time-signature . (minimum-space . 4.2))
231 (first-note . (minimum-space . 5.0))
232 (next-note . (extra-space . 0.5))
233 (right-edge . (extra-space . 0.5))
235 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
236 (meta . ((interfaces . (clef-interface staff-symbol-referencer-interface font-interface break-aligned-interface item-interface ))))
239 (ClusterSpannerBeacon
241 (molecule-callback . #f)
242 (meta . ((interfaces . (cluster-beacon-interface item-interface))))
247 (molecule-callback . ,Cluster::brew_molecule)
248 (spacing-procedure . ,Spanner::set_spacing_rods)
249 (minimum-length . 0.0)
252 (meta . ((interfaces . (cluster-interface spanner-interface))))
257 (molecule-callback . ,new-chord-name-brew-molecule)
258 (after-line-breaking-callback . ,Chord_name::after_line_breaking)
260 (font-family . roman)
261 (meta . ((interfaces . (font-interface rhythmic-grob-interface
262 text-interface chord-name-interface item-interface ))))
267 (break-align-symbol . custos)
269 (molecule-callback . ,Custos::brew_molecule)
270 (break-visibility . ,end-of-line-visible)
272 (neutral-position . 0)
273 (neutral-direction . -1)
274 (adjust-if-on-staffline . #t)
275 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
277 (first-note . (minimum-space . 0.0))
278 (right-edge . (extra-space . 0.1))
281 . (custos-interface staff-symbol-referencer-interface
283 break-aligned-interface item-interface ))))
291 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
292 (X-offset-callbacks . (,Dot_column::side_position))
293 (meta . ((interfaces . (dot-column-interface axis-group-interface item-interface ))))
298 (molecule-callback . ,Dots::brew_molecule)
300 (Y-offset-callbacks . (,Dots::quantised_position_callback ,Staff_symbol_referencer::callback))
301 (meta . ((interfaces . (font-interface staff-symbol-referencer-interface dots-interface item-interface ))))
304 (DoublePercentRepeat .
306 (molecule-callback . ,Percent_repeat_item_interface::double_percent)
309 (font-family . music)
312 (break-align-symbol . staff-bar)
313 (break-visibility . ,begin-of-line-invisible)
314 (meta . ((interfaces . (font-interface
315 break-aligned-interface
316 percent-repeat-interface item-interface ))))
321 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
322 (molecule-callback . ,Text_item::brew_molecule)
323 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self
324 ,Self_alignment_interface::centered_on_parent))
325 (self-alignment-X . 0)
326 (no-spacing-rods . #t)
327 (script-priority . 100)
329 (font-family . dynamic)
330 (font-shape . italic)
331 (self-alignment-Y . 0)
332 (meta . ((interfaces . (font-interface text-interface self-alignment-interface dynamic-interface script-interface item-interface ))))
338 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
339 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
341 (minimum-space . 1.2)
343 (meta . ((interfaces . (dynamic-interface axis-group-interface side-position-interface spanner-interface))))
348 (break-align-symbol . left-edge)
349 (X-extent-callback . ,Grob::point_dimension_callback)
352 (custos . (extra-space . 0.0))
353 (ambitus . (extra-space . 2.0))
354 (time-signature . (extra-space . 0.0))
355 (staff-bar . (extra-space . 0.0))
356 (breathing-sign . (minimum-space . 0.0))
357 (clef . (extra-space . 0.85))
358 (first-note . (extra-space . 1.0))
359 (right-edge . (extra-space . 0.0))
360 (key-signature . (extra-space . 0.0))
362 (meta . ((interfaces . (break-aligned-interface item-interface ))))
367 (molecule-callback . ,Text_item::brew_molecule)
370 (self-alignment-X . 0)
371 (self-alignment-Y . 0)
372 (script-priority . 100)
373 (font-family . number)
374 (font-relative-size . -3)
375 (font-shape . upright)
376 (meta . ((interfaces . (finger-interface font-interface text-script-interface text-interface side-position-interface self-alignment-interface item-interface ))))
380 (HaraKiriVerticalGroup
382 (Y-offset-callbacks . (,Hara_kiri_group_spanner::force_hara_kiri_callback))
383 (Y-extent-callback . ,Hara_kiri_group_spanner::y_extent)
385 (meta . ((interfaces . (axis-group-interface hara-kiri-group-interface item-interface spanner-interface))))
390 (molecule-callback . ,Hairpin::brew_molecule)
393 (spacing-procedure . ,Spanner::set_spacing_rods)
394 (minimum-length . 2.0)
395 (if-text-padding . 1.0)
396 (width-correct . -1.0)
398 (dash-thickness . 1.2)
400 (self-alignment-Y . 0)
401 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
402 (meta . ((interfaces . (hairpin-interface self-alignment-interface dynamic-interface spanner-interface))))
408 (molecule-callback . ,Horizontal_bracket::brew_molecule)
409 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
412 (meta . ((interfaces . (horizontal-bracket-interface side-position-interface spanner-interface))))
417 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self
418 ,Side_position_interface::aligned_on_support_refpoints))
419 ;; This direction is for aligned_on_support_refpoints
423 (left-edge . (extra-space . 1.0))
426 (self-alignment-Y . 0)
427 (molecule-callback . ,Text_item::brew_molecule)
428 (break-align-symbol . instrument-name)
429 (break-visibility . ,begin-of-line-visible)
431 (font-family . roman)
432 (meta . ((interfaces . (font-interface self-alignment-interface side-position-interface text-interface break-aligned-interface item-interface ))))
437 (molecule-callback . ,Key_signature_interface::brew_molecule)
439 (time-signature . (extra-space . 1.25))
440 (staff-bar . (extra-space . 1.1))
441 (right-edge . (extra-space . 0.5))
442 (first-note . (extra-space . 2.5))
444 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
445 (break-align-symbol . key-signature)
446 (break-visibility . ,begin-of-line-visible)
448 (meta . ((interfaces . (key-signature-interface font-interface break-aligned-interface item-interface ))))
453 (ligature-primitive-callback . ,Note_head::brew_molecule)
458 (edge-height . (0.7 . 0.7))
459 (shorten-pair . (-0.2 . -0.2))
460 (before-line-breaking-callback . ,Tuplet_bracket::before_line_breaking)
461 (after-line-breaking-callback . ,Tuplet_bracket::after_line_breaking)
462 (molecule-callback . ,Tuplet_bracket::brew_molecule)
463 (meta . ((interfaces . (tuplet-bracket-interface spanner-interface))))
470 (minimum-length . 0.5)
471 (maximum-length . 100)
472 (spacing-procedure . ,Hyphen_spanner::set_spacing_rods)
473 (molecule-callback . ,Hyphen_spanner::brew_molecule)
474 (Y-extent-callback . ,Grob::point_dimension_callback)
475 (meta . ((interfaces . (lyric-hyphen-interface spanner-interface))))
480 (molecule-callback . ,Lyric_extender::brew_molecule)
481 (height . 0.8) ; stafflinethickness;
482 (right-trim-amount . 0.5)
483 (Y-extent-callback . ,Grob::point_dimension_callback)
484 (meta . ((interfaces . (lyric-extender-interface spanner-interface))))
489 (molecule-callback . ,Text_item::brew_molecule)
490 (X-offset-callbacks . (,Self_alignment_interface::centered_on_parent
491 ,Self_alignment_interface::aligned_on_self))
492 (self-alignment-X . 0)
494 (ignore-length-mismatch . #f)
495 (begin-alignment . 4)
497 (font-family . roman)
498 (font-shape . upright)
500 (meta . ((interfaces . (rhythmic-grob-interface lyric-syllable-interface self-alignment-interface text-interface font-interface item-interface ))))
507 (ligature-primitive-callback . ,Mensural_ligature::brew_ligature_primitive)
508 (molecule-callback . ,Mensural_ligature::brew_molecule)
509 (meta . ((interfaces . (mensural-ligature-interface font-interface))))
514 (molecule-callback . ,Text_item::brew_molecule)
515 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
516 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
517 (self-alignment-X . 0)
518 (break-align-symbol . time-signature)
521 (font-relative-size . 1)
522 (font-family . roman)
524 (break-visibility . ,end-of-line-invisible)
526 (meta . ((interfaces . (text-interface side-position-interface font-interface mark-interface self-alignment-interface item-interface ))))
530 (molecule-callback . ,Text_item::brew_molecule)
531 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
534 (font-family . roman)
535 (break-visibility . ,end-of-line-invisible)
537 (meta . ((interfaces . (text-interface side-position-interface font-interface metronome-mark-interface item-interface))))
541 (Y-offset-callbacks . (,Side_position_interface::out_of_staff
542 ,Side_position_interface::aligned_side))
543 (molecule-callback . ,Measure_grouping::brew_molecule)
549 (meta . ((interfaces . (spanner-interface side-position-interface measure-grouping-interface))))
553 (spacing-procedure . ,Multi_measure_rest::set_spacing_rods)
554 (molecule-callback . ,Multi_measure_rest::brew_molecule)
555 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
558 (thick-thickness . 6.6)
559 (hair-thickness . 2.0)
561 (meta . ((interfaces . (multi-measure-rest-interface rest-interface font-interface staff-symbol-referencer-interface))))
564 (MultiMeasureRestNumber
566 (molecule-callback . ,Text_item::brew_molecule)
567 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self
568 ,Self_alignment_interface::centered_on_other_axis_parent))
569 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
570 (self-alignment-X . 0)
573 (font-family . number)
574 (meta . ((interfaces . (side-position-interface self-alignment-interface font-interface spanner-interface text-interface))))
576 (MultiMeasureRestText
578 (molecule-callback . ,Text_item::brew_molecule)
579 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self
580 ,Self_alignment_interface::centered_on_other_axis_parent))
581 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
582 (self-alignment-X . 0)
585 (font-family . roman)
586 (meta . ((interfaces . (side-position-interface self-alignment-interface font-interface spanner-interface text-interface))))
591 ;; Ugh, should not be hard-coded.
593 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
594 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
595 (meta . ((interfaces . (note-collision-interface axis-group-interface item-interface ))))
601 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
602 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
603 (meta . ((interfaces . (axis-group-interface note-column-interface item-interface ))))
609 (molecule-callback . ,Note_head::brew_molecule)
610 (ligature-primitive-callback . ,Note_head::brew_molecule)
611 (glyph-name-procedure . ,find-notehead-symbol)
612 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
613 (stem-attachment-function . ,note-head-style->attachment-coordinates)
614 (meta . ((interfaces . (rhythmic-grob-interface rhythmic-head-interface font-interface note-head-interface staff-symbol-referencer-interface item-interface ))))
621 (zigzag-width . 0.75)
623 (X-extent-callback . #f)
624 (Y-extent-callback . #f)
625 (after-line-breaking-callback . ,Line_spanner::after_line_breaking)
626 (molecule-callback . ,Line_spanner::brew_molecule)
627 (meta . ((interfaces . (line-spanner-interface spanner-interface))))
635 (X-extent-callback . #f)
636 (Y-extent-callback . #f)
637 (molecule-callback . ,Line_spanner::brew_molecule)
638 (after-line-breaking-callback . ,Line_spanner::after_line_breaking)
639 (meta . ((interfaces . (line-spanner-interface spanner-interface))))
644 (molecule-callback . ,Text_item::brew_molecule)
645 (font-family . roman)
646 (meta . ((interfaces . (note-name-interface text-interface font-interface item-interface ))))
651 (self-alignment-X . 0)
653 (break-visibility . ,begin-of-line-visible)
654 (X-offset-callbacks . (,Self_alignment_interface::centered_on_parent ,Self_alignment_interface::aligned_on_self))
655 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
656 (molecule-callback . ,Text_item::brew_molecule)
657 (font-shape . italic)
659 (font-relative-size . -2)
660 (font-family . roman)
661 (meta . ((interfaces . (text-interface self-alignment-interface side-position-interface font-interface item-interface ))))
667 (before-line-breaking-callback . ,Paper_column::before_line_breaking)
668 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
670 ; (molecule-callback . ,Paper_column::brew_molecule) (font-name . "cmr8") (Y-extent-callback . #f)
671 (meta . ((interfaces . (paper-column-interface axis-group-interface spaceable-grob-interface item-interface ))))
676 (molecule-callback . ,Slur::brew_molecule)
678 (spacing-procedure . ,Spanner::set_spacing_rods)
679 (minimum-length . 1.5)
680 (after-line-breaking-callback . ,Slur::after_line_breaking)
681 (extremity-rules . ,default-slur-extremity-rules)
682 (extremity-offset-alist . ,default-phrasing-slur-extremity-offset-alist)
683 (de-uglify-parameters . (1.5 0.8 -2.0))
684 (Y-extent-callback . ,Slur::height)
689 (attachment . (#f . #f))
690 (attachment-offset . ((0 . 0) . (0 . 0)))
692 (details . ((force-blowfit . 0.5)
693 (bezier-pct-c0 . -0.2) (bezier-pct-c3 . 0.000006)
694 (bezier-pct-out-max . 0.8) (bezier-pct-in-max . 1.2)
695 (bezier-area-steps . 1.0)))
696 (meta . ((interfaces . (slur-interface spanner-interface))))
699 (NonMusicalPaperColumn
702 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
703 (before-line-breaking-callback . ,Paper_column::before_line_breaking)
704 ;; debugging stuff: print column number.
705 ; (molecule-callback . ,Paper_column::brew_molecule) (font-name . "cmr8") (Y-extent-callback . #f)
708 (meta . ((interfaces . (paper-column-interface axis-group-interface spaceable-grob-interface item-interface ))))
713 (spacing-procedure . ,Multi_measure_rest::set_spacing_rods)
714 (molecule-callback . ,Multi_measure_rest::percent)
717 (minimum-width . 12.5) ; staffspace
718 (font-family . music)
719 (meta . ((interfaces . (multi-measure-rest-interface spanner-interface font-interface percent-repeat-interface))))
722 (PianoPedalBracket ;; an example of a text spanner
724 (molecule-callback . ,Text_spanner::brew_molecule)
725 (after-line-breaking-callback . ,Piano_pedal_bracket::after_line_breaking)
726 (font-family . roman)
728 (if-text-padding . 1.0)
730 (enclose-bounds . #t)
732 (bracket-flare . (0.5 . 0.5))
733 (edge-height . (1.0 . 1.0))
734 (shorten-pair . (0.0 . 0.0))
736 (meta . ((interfaces . (text-spanner-interface piano-pedal-interface piano-pedal-bracket-interface spanner-interface))))
741 (molecule-callback . , Percent_repeat_item_interface::beat_slash)
744 (meta . ((interfaces . (percent-repeat-interface item-interface ))))
748 (after-line-breaking-callback . ,Rest::after_line_breaking)
749 (X-extent-callback . ,Rest::extent_callback)
750 (Y-extent-callback . ,Rest::extent_callback)
751 (molecule-callback . ,Rest::brew_molecule)
752 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
753 (minimum-beam-collision-distance . 0.75)
755 (interfaces . (font-interface
756 rhythmic-head-interface
757 rhythmic-grob-interface
759 staff-symbol-referencer-interface
760 rest-interface item-interface ))
765 (minimum-distance . 0.75)
766 (meta . ((interfaces . (rest-collision-interface item-interface ))))
771 ;; don't set direction here: it breaks staccato.
772 (molecule-callback . ,Script_interface::brew_molecule)
774 ;; This value is sensitive: if too large, staccato dots will move a
777 ;; (script-priority . 0) priorities for scripts, see script.scm
778 (X-offset-callbacks . (,Self_alignment_interface::centered_on_parent))
779 (before-line-breaking-callback . ,Script_interface::before_line_breaking)
780 (font-family . music)
781 (meta . ((interfaces . (script-interface side-position-interface font-interface item-interface ))))
786 (before-line-breaking-callback . ,Script_column::before_line_breaking)
787 (meta . ((interfaces . (script-column-interface item-interface ))))
792 (molecule-callback . ,Slur::brew_molecule)
794 (spacing-procedure . ,Spanner::set_spacing_rods)
795 (minimum-length . 1.5)
796 (after-line-breaking-callback . ,Slur::after_line_breaking)
797 (extremity-rules . ,default-slur-extremity-rules)
798 (extremity-offset-alist . ,default-slur-extremity-offset-alist)
799 (de-uglify-parameters . (1.5 0.8 -2.0))
800 (Y-extent-callback . ,Slur::height)
805 (attachment . (#f . #f))
806 (attachment-offset . ((0 . 0) . (0 . 0)))
808 (details . ((force-blowfit . 0.5)
809 (bezier-pct-c0 . -0.2) (bezier-pct-c3 . 0.000006)
810 (bezier-pct-out-max . 0.8) (bezier-pct-in-max . 1.2)
811 (bezier-area-steps . 1.0)))
812 (meta . ((interfaces . (slur-interface spanner-interface))))
817 (spacing-procedure . ,Spacing_spanner::set_springs)
818 (grace-space-factor . 0.6)
819 (shortest-duration-space . 2.0)
820 (spacing-increment . 1.2)
821 (base-shortest-duration . ,(ly:make-moment 1 8))
822 (meta . ((interfaces . (spacing-interface spacing-spanner-interface spanner-interface))))
827 (break-align-symbol . staff-bar)
828 (bar-size-procedure . ,Span_bar::get_bar_size)
829 (molecule-callback . ,Span_bar::brew_molecule)
830 (break-visibility . ,begin-of-line-invisible)
831 (X-extent-callback . ,Span_bar::width_callback)
832 (Y-extent-callback . ())
835 (before-line-breaking-callback . ,Span_bar::before_line_breaking)
839 ;; Ross. page 151 lists other values, we opt for a leaner look
843 (hair-thickness . 1.6)
844 (thick-thickness . 6.0)
845 (meta . ((interfaces . (span-bar-interface font-interface
846 bar-line-interface item-interface ))))
852 (molecule-callback . ,Text_item::brew_molecule)
853 (break-align-symbol . clef)
854 (break-visibility . ,begin-of-line-visible)
855 (font-family . roman)
856 (meta . ((interfaces . (break-aligned-interface text-interface font-interface item-interface ))))
862 (stem-spacing-correction . 0.4)
864 (meta . ((interfaces . (spacing-interface staff-spacing-interface item-interface ))))
868 (stem-spacing-correction . 0.5)
870 ;; Changed this from 0.75.
871 ;; If you ever change this back, please document! --hwn
872 (knee-spacing-correction . 1.0)
874 (meta . ((interfaces . (spacing-interface note-spacing-interface item-interface ))))
879 (molecule-callback . ,Staff_symbol::brew_molecule)
882 (meta . ((interfaces . (staff-symbol-interface spanner-interface))))
887 (molecule-callback . ,Text_item::brew_molecule)
889 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
890 (no-spacing-rods . #t)
891 (padding . 0.0) ;; padding relative to SostenutoPedalLineSpanner
892 (font-family . roman)
893 (font-shape . italic)
894 (self-alignment-X . 0)
895 (meta . ((interfaces . (text-interface self-alignment-interface font-interface item-interface))))
898 (SostenutoPedalLineSpanner
901 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
902 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
906 (minimum-space . 1.0)
908 (meta . ((interfaces . (piano-pedal-interface axis-group-interface side-position-interface spanner-interface))))
914 ;; this list is rather long. Trim --hwn
915 (before-line-breaking-callback . ,Stem::before_line_breaking)
916 (molecule-callback . ,Stem::brew_molecule)
919 ;; 3.5 (or 3 measured from note head) is standar length
920 ;; 32nd, 64th flagged stems should be longer
921 (lengths . (3.5 3.5 3.5 4.5 5.0))
923 ;; Stems in unnatural (forced) direction should be shortened by
924 ;; one staff space, according to [Roush & Gourlay].
925 ;; Flagged stems we shorten only half a staff space.
926 (stem-shorten . (1.0 0.5))
928 ;; default stem direction for note on middle line
929 (neutral-direction . -1)
931 ;; [Wanske]: standard length (but no shorter than minimum).
932 ;; (beamed-lengths . (3.5))
934 ;; FIXME. 3.5 yields too long beams (according to Ross and
935 ;; looking at Baerenreiter examples) for a number of common
936 ;; boundary cases. Subtracting half a beam thickness fixes
937 ;; this, but the bug may well be somewhere else.
938 (beamed-lengths . (3.26 3.26 1.5))
940 ;; [Wanske] lists three sets of minimum lengths. One
941 ;; set for the nomal case, and one set for beams with `der
942 ;; Balkenendpunkt weiter "uber bzw. unter die Systemgrenze
943 ;; hinaus (bei Gruppen mit grossem Tonumfang)' and the extreme
946 ;; Note that Wanske lists numbers lengths starting from top of
947 ;; head, so we must add half a staff space.
949 ;; We use the normal minima as minimum for the ideal lengths,
950 ;; and the extreme minima as abolute minimum length.
952 ;; The 'normal' minima
953 (beamed-minimum-free-lengths . (2.5 2.0 1.0))
955 ;; The 'extreme case' minima
956 (beamed-extreme-minimum-free-lengths . (1.83 1.5 1.25))
958 (X-offset-callbacks . (,Stem::off_callback))
959 (X-extent-callback . ,Stem::dim_callback)
960 (Y-extent-callback . ,Stem::height)
961 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
962 (adjust-if-on-staffline . #t)
963 (font-family . music)
964 (avoid-note-head . #f)
966 (meta . ((interfaces . (stem-interface font-interface item-interface ))))
971 (molecule-callback . ,Stem_tremolo::brew_molecule)
972 (Y-extent-callback . ,Stem_tremolo::height)
973 (X-extent-callback . #f)
975 (beam-width . 1.6) ; staff-space
976 (beam-thickness . 0.48) ; staff-space
977 (meta . ((interfaces . (stem-tremolo-interface item-interface ))))
982 (meta . ((interfaces . (spacing-interface separation-item-interface item-interface ))))
985 (SeparatingGroupSpanner
987 (spacing-procedure . ,Separating_group_spanner::set_spacing_rods)
988 (meta . ((interfaces . (spacing-interface separation-spanner-interface spanner-interface))))
993 (no-spacing-rods . #t)
994 (molecule-callback . ,Sustain_pedal::brew_molecule)
995 (self-alignment-X . 0)
997 (padding . 0.0) ;; padding relative to SustainPedalLineSpanner
998 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
999 (meta . ((interfaces . (piano-pedal-interface text-spanner-interface text-interface self-alignment-interface font-interface item-interface))))
1002 (SustainPedalLineSpanner
1005 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1006 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1009 (minimum-space . 1.0)
1011 (meta . ((interfaces . (piano-pedal-interface axis-group-interface side-position-interface spanner-interface))))
1017 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
1018 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1019 (meta . ((interfaces . (system-interface axis-group-interface spanner-interface))))
1025 (molecule-callback . ,System_start_delimiter::brew_molecule)
1026 (collapse-height . 5.0)
1027 (font-family . braces)
1028 (Y-extent-callback . #f)
1029 (meta . ((interfaces . (system-start-delimiter-interface font-interface))))
1034 (Y-extent-callback . #f)
1035 (molecule-callback . ,System_start_delimiter::brew_molecule)
1041 (bracket-collapse-height . 1)
1043 (meta . ((interfaces . (system-start-delimiter-interface spanner-interface))))
1048 (Y-extent-callback . #f)
1049 (molecule-callback . ,System_start_delimiter::brew_molecule)
1050 (glyph . "bar-line")
1052 (after-line-breaking-callback . ,System_start_delimiter::after_line_breaking)
1053 (meta . ((interfaces . (system-start-delimiter-interface spanner-interface))))
1058 (molecule-callback . ,Text_item::brew_molecule)
1059 (no-spacing-rods . #t)
1060 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
1063 (script-priority . 200)
1064 ;; todo: add X self alignment?
1066 (font-family . roman)
1067 (meta . ((interfaces . (text-script-interface text-interface side-position-interface font-interface item-interface ))))
1072 (molecule-callback . ,Text_spanner::brew_molecule)
1073 (font-family . roman)
1076 ;; urg, only for (de)cresc. text spanners
1077 (if-text-padding . 1.0)
1078 (width-correct . -1)
1080 (meta . ((interfaces . (text-spanner-interface side-position-interface font-interface spanner-interface))))
1085 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1086 (molecule-callback . ,Text_spanner::brew_molecule)
1087 (font-family . roman)
1088 (enclose-bounds . #t)
1089 (width-correct . 0.0)
1090 (style . dashed-line)
1091 (edge-height . (0 . 1.5))
1093 (meta . ((interfaces . (text-spanner-interface side-position-interface font-interface spanner-interface))))
1098 (font-family . roman)
1100 (molecule-callback . ,tablature-molecule-callback)
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 . ())
1129 (Yoo-extent-callback . ())
1130 (meta . ((interfaces . (tie-column-interface spanner-interface))))
1135 (molecule-callback . ,Time_signature::brew_molecule)
1136 (break-align-symbol . time-signature)
1137 (break-visibility . ,all-visible)
1139 (first-note . (extra-space . 2.0))
1140 (right-edge . (extra-space . 0.5))
1141 (staff-bar . (minimum-space . 2.0))
1145 (font-family . number)
1146 (meta . ((interfaces . (time-signature-interface break-aligned-interface font-interface item-interface ))))
1154 (edge-height . (0.7 . 0.7))
1155 (shorten-pair . (-0.2 . -0.2))
1156 (before-line-breaking-callback . ,Tuplet_bracket::before_line_breaking)
1157 (after-line-breaking-callback . ,Tuplet_bracket::after_line_breaking)
1158 (molecule-callback . ,Tuplet_bracket::brew_molecule)
1159 (font-family . roman)
1160 (font-shape . italic)
1161 (font-series . bold)
1163 (font-relative-size . -1)
1164 (meta . ((interfaces . (text-interface tuplet-bracket-interface font-interface spanner-interface))))
1169 (molecule-callback . ,Text_item::brew_molecule)
1170 (font-family . roman)
1171 (font-shape . italic)
1172 (no-spacing-rods . #t)
1173 (self-alignment-X . 0)
1175 (padding . 0.0) ;; padding relative to UnaCordaPedalLineSpanner
1176 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
1177 (meta . ((interfaces . (text-interface self-alignment-interface font-interface item-interface ))))
1180 (UnaCordaPedalLineSpanner
1183 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1184 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1187 (minimum-space . 1.0)
1189 (meta . ((interfaces . (piano-pedal-interface axis-group-interface side-position-interface spanner-interface))))
1196 (ligature-primitive-callback . ,Vaticana_ligature::brew_ligature_primitive)
1197 (molecule-callback . ,Vaticana_ligature::brew_molecule)
1198 (meta . ((interfaces . (vaticana-ligature-interface font-interface))))
1203 (molecule-callback . ,Volta_bracket_interface::brew_molecule)
1206 (font-family . number)
1207 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1208 (thickness . 1.6) ; stafflinethickness
1209 (height . 2.0) ; staffspace;
1211 (font-family . number)
1212 (font-relative-size . -2)
1213 (meta . ((interfaces . (volta-bracket-interface text-interface side-position-interface font-interface spanner-interface))))
1219 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1221 (meta . ((interfaces . (align-interface axis-group-interface spanner-interface))))
1227 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1229 (meta . ((interfaces . (axis-group-interface spanner-interface))))
1237 (define (completize-grob-entry x)
1238 "transplant assoc key into 'name entry of 'meta of X
1240 (let* ((name-sym (car x))
1241 (grob-entry (cdr x))
1242 (metaentry (cdr (assoc 'meta grob-entry)))
1244 (cdr (assoc 'interfaces metaentry)))
1247 (set! metaentry (assoc-set! metaentry 'name name-sym))
1248 (set! metaentry (assoc-set! metaentry 'interfaces
1249 (cons 'grob-interface ifaces-entry)))
1250 (set! grob-entry (assoc-set! grob-entry 'meta metaentry))
1251 (cons name-sym grob-entry)))
1253 (set! all-grob-descriptions (map completize-grob-entry all-grob-descriptions))
1257 ; (display (map pair? all-grob-descriptions))
1260 ;; make sure that \property Foo.Bar =\turnOff doesn't complain
1263 ; (display (car x)) (newline)
1265 (set-object-property! (car x) 'translation-type? list?)
1266 (set-object-property! (car x) 'is-grob? #t))
1267 all-grob-descriptions)
1270 (set! all-grob-descriptions (sort all-grob-descriptions alist<?))