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 . (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)
265 (meta . ((interfaces . (font-interface rhythmic-grob-interface
266 text-interface chord-name-interface item-interface ))))
271 (break-align-symbol . custos)
273 (molecule-callback . ,Custos::brew_molecule)
274 (break-visibility . ,end-of-line-visible)
276 (neutral-position . 0)
277 (neutral-direction . -1)
278 (adjust-if-on-staffline . #t)
279 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
281 (first-note . (minimum-fixed-space . 0.0))
282 (right-edge . (extra-space . 0.1))
285 . (custos-interface staff-symbol-referencer-interface
287 break-aligned-interface item-interface ))))
295 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
296 (X-offset-callbacks . (,Dot_column::side_position))
297 (meta . ((interfaces . (dot-column-interface axis-group-interface item-interface ))))
302 (molecule-callback . ,Dots::brew_molecule)
304 (meta . ((interfaces . (font-interface staff-symbol-referencer-interface dots-interface item-interface ))))
307 (DoublePercentRepeat .
309 (molecule-callback . ,Percent_repeat_item_interface::double_percent)
312 (font-family . music)
315 (break-align-symbol . staff-bar)
316 (break-visibility . ,begin-of-line-invisible)
317 (meta . ((interfaces . (font-interface
318 break-aligned-interface
319 percent-repeat-interface item-interface ))))
324 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
325 (molecule-callback . ,Text_item::brew_molecule)
326 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self
327 ,Self_alignment_interface::centered_on_parent))
328 (self-alignment-X . 0)
329 (no-spacing-rods . #t)
330 (script-priority . 100)
332 (font-family . dynamic)
333 (font-shape . italic)
334 (self-alignment-Y . 0)
335 (meta . ((interfaces . (font-interface text-interface self-alignment-interface dynamic-interface script-interface item-interface ))))
341 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
342 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
344 (minimum-space . 1.2)
346 (meta . ((interfaces . (dynamic-interface axis-group-interface side-position-interface spanner-interface))))
351 (break-align-symbol . left-edge)
352 (X-extent-callback . ,Grob::point_dimension_callback)
355 (custos . (extra-space . 0.0))
356 (ambitus . (extra-space . 2.0))
357 (time-signature . (extra-space . 0.0))
358 (staff-bar . (extra-space . 0.0))
359 (breathing-sign . (minimum-space . 0.0))
360 (clef . (extra-space . 0.85))
361 (first-note . (fixed-space . 1.0))
362 (right-edge . (extra-space . 0.0))
363 (key-signature . (extra-space . 0.0))
365 (meta . ((interfaces . (break-aligned-interface item-interface ))))
370 (molecule-callback . ,Text_item::brew_molecule)
372 (self-alignment-X . 0)
373 (self-alignment-Y . 0)
374 (script-priority . 100)
375 (font-family . number)
377 (font-shape . upright)
378 (meta . ((interfaces . (finger-interface font-interface text-script-interface text-interface side-position-interface self-alignment-interface item-interface ))))
382 (RemoveEmptyVerticalGroup
384 (Y-offset-callbacks . (,Hara_kiri_group_spanner::force_hara_kiri_callback))
385 (Y-extent-callback . ,Hara_kiri_group_spanner::y_extent)
388 (meta . ((interfaces . (axis-group-interface hara-kiri-group-interface item-interface spanner-interface))))
393 (molecule-callback . ,Hairpin::brew_molecule)
396 (spacing-procedure . ,Spanner::set_spacing_rods)
397 (minimum-length . 2.0)
398 (if-text-padding . 1.0)
399 (width-correct . -1.0)
401 (dash-thickness . 1.2)
403 (self-alignment-Y . 0)
404 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
405 (meta . ((interfaces . (hairpin-interface self-alignment-interface dynamic-interface spanner-interface))))
411 (molecule-callback . ,Horizontal_bracket::brew_molecule)
412 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
415 (meta . ((interfaces . (horizontal-bracket-interface side-position-interface spanner-interface))))
420 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self
421 ,Side_position_interface::aligned_on_support_refpoints))
422 ;; This direction is for aligned_on_support_refpoints
426 (left-edge . (extra-space . 1.0))
429 (self-alignment-Y . 0)
430 (molecule-callback . ,Text_item::brew_molecule)
431 (break-align-symbol . instrument-name)
432 (break-visibility . ,begin-of-line-visible)
434 (font-family . roman)
435 (meta . ((interfaces . (font-interface self-alignment-interface side-position-interface text-interface break-aligned-interface item-interface ))))
440 (molecule-callback . ,Key_signature_interface::brew_molecule)
442 (time-signature . (extra-space . 1.25))
443 (staff-bar . (extra-space . 1.1))
444 (right-edge . (extra-space . 0.5))
445 (first-note . (fixed-space . 2.5))
447 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
448 (break-align-symbol . key-signature)
449 (break-visibility . ,begin-of-line-visible)
451 (meta . ((interfaces . (key-signature-interface font-interface break-aligned-interface item-interface ))))
456 (ligature-primitive-callback . ,Note_head::brew_molecule)
461 (edge-height . (0.7 . 0.7))
462 (shorten-pair . (-0.2 . -0.2))
463 (before-line-breaking-callback . ,Tuplet_bracket::before_line_breaking)
464 (after-line-breaking-callback . ,Tuplet_bracket::after_line_breaking)
465 (molecule-callback . ,Tuplet_bracket::brew_molecule)
466 (meta . ((interfaces . (tuplet-bracket-interface spanner-interface))))
475 (minimum-length . 0.5)
476 (molecule-callback . ,Hyphen_spanner::brew_molecule)
477 (Y-extent-callback . ,Grob::point_dimension_callback)
478 (meta . ((interfaces . (lyric-hyphen-interface spanner-interface))))
483 (molecule-callback . ,Lyric_extender::brew_molecule)
484 (thickness . 0.8) ; stafflinethickness;
485 (minimum-length . 1.5)
486 (Y-extent-callback . ,Grob::point_dimension_callback)
487 (meta . ((interfaces . (lyric-extender-interface spanner-interface))))
491 . ((molecule-callback . ,Text_item::brew_molecule)
492 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_parent))
493 (self-alignment-X . 0)
495 (font-family . roman)
496 (font-series . bold-narrow)
497 (font-shape . upright)
499 (meta . ((interfaces . (rhythmic-grob-interface lyric-syllable-interface self-alignment-interface text-interface font-interface item-interface ))))
506 (ligature-primitive-callback . ,Mensural_ligature::brew_ligature_primitive)
507 (molecule-callback . ,Mensural_ligature::brew_molecule)
508 (meta . ((interfaces . (mensural-ligature-interface font-interface))))
513 (molecule-callback . ,Text_item::brew_molecule)
514 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
515 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
516 (self-alignment-X . 0)
520 (font-family . roman)
522 (break-visibility . ,end-of-line-invisible)
524 (meta . ((interfaces . (break-aligned-interface text-interface side-position-interface font-interface mark-interface self-alignment-interface item-interface ))))
528 (molecule-callback . ,Text_item::brew_molecule)
529 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
532 (font-family . roman)
533 (break-visibility . ,end-of-line-invisible)
535 (meta . ((interfaces . (text-interface side-position-interface font-interface metronome-mark-interface item-interface))))
539 (Y-offset-callbacks . (,Side_position_interface::out_of_staff
540 ,Side_position_interface::aligned_side))
541 (molecule-callback . ,Measure_grouping::brew_molecule)
547 (meta . ((interfaces . (spanner-interface side-position-interface measure-grouping-interface))))
551 (spacing-procedure . ,Multi_measure_rest::set_spacing_rods)
552 (molecule-callback . ,Multi_measure_rest::brew_molecule)
553 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
556 (thick-thickness . 6.6)
557 (hair-thickness . 2.0)
559 (meta . ((interfaces . (multi-measure-rest-interface rest-interface font-interface staff-symbol-referencer-interface))))
562 (MultiMeasureRestNumber
564 (molecule-callback . ,Text_item::brew_molecule)
565 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self
566 ,Self_alignment_interface::centered_on_other_axis_parent))
567 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
568 (self-alignment-X . 0)
571 (font-family . number)
572 (meta . ((interfaces . (side-position-interface self-alignment-interface font-interface spanner-interface text-interface))))
574 (MultiMeasureRestText
576 (molecule-callback . ,Text_item::brew_molecule)
577 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self
578 ,Self_alignment_interface::centered_on_other_axis_parent))
579 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
580 (self-alignment-X . 0)
583 (font-family . roman)
584 (meta . ((interfaces . (side-position-interface self-alignment-interface font-interface spanner-interface text-interface))))
589 ;; Ugh, should not be hard-coded.
591 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
592 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
593 (meta . ((interfaces . (note-collision-interface axis-group-interface item-interface ))))
599 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
600 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
601 (meta . ((interfaces . (axis-group-interface note-column-interface item-interface ))))
607 (molecule-callback . ,Note_head::brew_molecule)
608 (ligature-primitive-callback . ,Note_head::brew_molecule)
609 (glyph-name-procedure . ,find-notehead-symbol)
610 (X-extent-callback . ,Note_head::extent)
611 (Y-extent-callback . ,Note_head::extent)
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)
652 (break-visibility . ,begin-of-line-visible)
653 (X-offset-callbacks . (,Self_alignment_interface::centered_on_parent ,Self_alignment_interface::aligned_on_self))
654 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
655 (molecule-callback . ,Text_item::brew_molecule)
656 (font-shape . italic)
659 (font-family . roman)
660 (meta . ((interfaces . (text-interface self-alignment-interface side-position-interface font-interface item-interface ))))
666 (before-line-breaking-callback . ,Paper_column::before_line_breaking)
667 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
669 ; (molecule-callback . ,Paper_column::brew_molecule) (font-name . "cmr8") (Y-extent-callback . #f)
670 (meta . ((interfaces . (paper-column-interface axis-group-interface spaceable-grob-interface item-interface ))))
675 (molecule-callback . ,Slur::brew_molecule)
677 (spacing-procedure . ,Spanner::set_spacing_rods)
678 (minimum-length . 1.5)
679 (after-line-breaking-callback . ,Slur::after_line_breaking)
680 (extremity-rules . ,default-slur-extremity-rules)
681 (extremity-offset-alist . ,default-phrasing-slur-extremity-offset-alist)
682 (de-uglify-parameters . (1.5 0.8 -2.0))
683 (Y-extent-callback . ,Slur::height)
688 (attachment . (#f . #f))
689 (attachment-offset . ((0 . 0) . (0 . 0)))
691 (details . ((force-blowfit . 0.5)
692 (bezier-pct-c0 . -0.2) (bezier-pct-c3 . 0.000006)
693 (bezier-pct-out-max . 0.8) (bezier-pct-in-max . 1.2)
694 (bezier-area-steps . 1.0)))
695 (meta . ((interfaces . (slur-interface spanner-interface))))
698 (NonMusicalPaperColumn
701 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
702 (before-line-breaking-callback . ,Paper_column::before_line_breaking)
703 ;; debugging stuff: print column number.
704 ; (molecule-callback . ,Paper_column::brew_molecule) (font-name . "cmr8") (Y-extent-callback . #f)
707 (meta . ((interfaces . (paper-column-interface axis-group-interface spaceable-grob-interface item-interface ))))
712 (spacing-procedure . ,Multi_measure_rest::set_spacing_rods)
713 (molecule-callback . ,Multi_measure_rest::percent)
716 (minimum-width . 12.5) ; staffspace
717 (font-family . music)
718 (meta . ((interfaces . (multi-measure-rest-interface spanner-interface font-interface percent-repeat-interface))))
721 (PianoPedalBracket ;; an example of a text spanner
723 (molecule-callback . ,Text_spanner::brew_molecule)
724 (after-line-breaking-callback . ,Piano_pedal_bracket::after_line_breaking)
725 (font-family . roman)
727 (if-text-padding . 1.0)
729 (enclose-bounds . #t)
731 (bracket-flare . (0.5 . 0.5))
732 (edge-height . (1.0 . 1.0))
733 (shorten-pair . (0.0 . 0.0))
735 (meta . ((interfaces . (text-spanner-interface piano-pedal-interface piano-pedal-bracket-interface spanner-interface))))
740 (molecule-callback . ,Percent_repeat_item_interface::beat_slash)
743 (meta . ((interfaces . (percent-repeat-interface item-interface ))))
747 (after-line-breaking-callback . ,Rest::after_line_breaking)
748 (X-extent-callback . ,Rest::extent_callback)
749 (Y-extent-callback . ,Rest::extent_callback)
750 (molecule-callback . ,Rest::brew_molecule)
751 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
752 (minimum-beam-collision-distance . 0.75)
754 (interfaces . (font-interface
755 rhythmic-head-interface
756 rhythmic-grob-interface
758 staff-symbol-referencer-interface
759 rest-interface item-interface ))
764 (minimum-distance . 0.75)
765 (meta . ((interfaces . (rest-collision-interface item-interface ))))
770 ;; don't set direction here: it breaks staccato.
771 (molecule-callback . ,Script_interface::brew_molecule)
773 ;; This value is sensitive: if too large, staccato dots will move a
776 ;; (script-priority . 0) priorities for scripts, see script.scm
777 (X-offset-callbacks . (,Self_alignment_interface::centered_on_parent))
778 (before-line-breaking-callback . ,Script_interface::before_line_breaking)
779 (font-family . music)
780 (meta . ((interfaces . (script-interface side-position-interface font-interface item-interface ))))
785 (before-line-breaking-callback . ,Script_column::before_line_breaking)
786 (meta . ((interfaces . (script-column-interface item-interface ))))
791 (molecule-callback . ,Slur::brew_molecule)
793 (spacing-procedure . ,Spanner::set_spacing_rods)
794 (minimum-length . 1.5)
795 (after-line-breaking-callback . ,Slur::after_line_breaking)
796 (extremity-rules . ,default-slur-extremity-rules)
797 (extremity-offset-alist . ,default-slur-extremity-offset-alist)
798 (de-uglify-parameters . (1.5 0.8 -2.0))
799 (Y-extent-callback . ,Slur::height)
804 (attachment . (#f . #f))
805 (attachment-offset . ((0 . 0) . (0 . 0)))
807 (details . ((force-blowfit . 0.5)
808 (bezier-pct-c0 . -0.2) (bezier-pct-c3 . 0.000006)
809 (bezier-pct-out-max . 0.8) (bezier-pct-in-max . 1.2)
810 (bezier-area-steps . 1.0)))
811 (meta . ((interfaces . (slur-interface spanner-interface))))
816 (spacing-procedure . ,Spacing_spanner::set_springs)
817 (grace-space-factor . 0.6)
818 (shortest-duration-space . 2.0)
819 (spacing-increment . 1.2)
820 (base-shortest-duration . ,(ly:make-moment 1 8))
821 (meta . ((interfaces . (spacing-interface spacing-spanner-interface spanner-interface))))
826 (break-align-symbol . staff-bar)
827 (bar-size-procedure . ,Span_bar::get_bar_size)
828 (molecule-callback . ,Span_bar::brew_molecule)
829 (break-visibility . ,begin-of-line-invisible)
830 (X-extent-callback . ,Span_bar::width_callback)
831 (Y-extent-callback . ())
834 (before-line-breaking-callback . ,Span_bar::before_line_breaking)
838 ;; Ross. page 151 lists other values, we opt for a leaner look
842 (hair-thickness . 1.6)
843 (thick-thickness . 6.0)
844 (meta . ((interfaces . (span-bar-interface font-interface
845 bar-line-interface item-interface ))))
849 . ((molecule-callback . ,Text_item::brew_molecule)
850 (font-family . roman)
853 (X-offset-callbacks . (,Side_position_interface::aligned_side))
855 (meta . ((interfaces . (side-position-interface text-interface font-interface item-interface ))))
861 (stem-spacing-correction . 0.4)
863 (meta . ((interfaces . (spacing-interface staff-spacing-interface item-interface ))))
867 (stem-spacing-correction . 0.5)
869 ;; Changed this from 0.75.
870 ;; If you ever change this back, please document! --hwn
871 (knee-spacing-correction . 1.0)
873 (meta . ((interfaces . (spacing-interface note-spacing-interface item-interface ))))
878 (molecule-callback . ,Staff_symbol::brew_molecule)
881 (meta . ((interfaces . (staff-symbol-interface spanner-interface))))
886 (molecule-callback . ,Text_item::brew_molecule)
888 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
889 (no-spacing-rods . #t)
890 (padding . 0.0) ;; padding relative to SostenutoPedalLineSpanner
891 (font-family . roman)
892 (font-shape . italic)
893 (self-alignment-X . 0)
894 (meta . ((interfaces . (text-interface self-alignment-interface font-interface item-interface))))
897 (SostenutoPedalLineSpanner
900 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
901 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
905 (minimum-space . 1.0)
907 (meta . ((interfaces . (piano-pedal-interface axis-group-interface side-position-interface spanner-interface))))
913 ;; this list is rather long. Trim --hwn
914 (before-line-breaking-callback . ,Stem::before_line_breaking)
915 (molecule-callback . ,Stem::brew_molecule)
918 ;; 3.5 (or 3 measured from note head) is standar length
919 ;; 32nd, 64th flagged stems should be longer
920 (lengths . (3.5 3.5 3.5 4.5 5.0))
922 ;; Stems in unnatural (forced) direction should be shortened by
923 ;; one staff space, according to [Roush & Gourlay].
924 ;; Flagged stems we shorten only half a staff space.
925 (stem-shorten . (1.0 0.5))
927 ;; default stem direction for note on middle line
928 (neutral-direction . -1)
932 ;; FIXME. 3.5 yields too long beams (according to Ross and
933 ;; looking at Baerenreiter examples) for a number of common
934 ;; boundary cases. Subtracting half a beam thickness fixes
935 ;; this, but the bug may well be somewhere else.
937 ;; FIXME this should come from 'lengths
939 ; (beamed-lengths . (3.26 3.26 1.5))
940 (beamed-lengths . (3.5 3.5 3.5 4.5 5.0))
942 ;; We use the normal minima as minimum for the ideal lengths,
943 ;; and the extreme minima as abolute minimum length.
945 ;; The 'normal' minima
946 (beamed-minimum-free-lengths . (1.83 1.5 1.25))
948 ;; The 'extreme case' minima
949 (beamed-extreme-minimum-free-lengths . (2.0 1.25))
951 (X-offset-callbacks . (,Stem::off_callback))
952 (X-extent-callback . ,Stem::dim_callback)
953 (Y-extent-callback . ,Stem::height)
954 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
955 (adjust-if-on-staffline . #t)
956 (font-family . music)
957 (meta . ((interfaces . (stem-interface font-interface item-interface ))))
962 (molecule-callback . ,Stem_tremolo::brew_molecule)
963 (Y-extent-callback . ,Stem_tremolo::height)
964 (X-extent-callback . #f)
966 (beam-width . 1.6) ; staff-space
967 (beam-thickness . 0.48) ; staff-space
968 (meta . ((interfaces . (stem-tremolo-interface item-interface ))))
973 (X-extent-callback . #f)
974 (Y-extent-callback . #f)
975 (meta . ((interfaces . (spacing-interface separation-item-interface item-interface ))))
978 (SeparatingGroupSpanner
980 (spacing-procedure . ,Separating_group_spanner::set_spacing_rods)
981 (meta . ((interfaces . (only-prebreak-interface spacing-interface separation-spanner-interface spanner-interface))))
986 (no-spacing-rods . #t)
987 (molecule-callback . ,Sustain_pedal::brew_molecule)
988 (self-alignment-X . 0)
990 (padding . 0.0) ;; padding relative to SustainPedalLineSpanner
991 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
992 (meta . ((interfaces . (piano-pedal-interface text-spanner-interface text-interface self-alignment-interface font-interface item-interface))))
995 (SustainPedalLineSpanner
998 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
999 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1002 (minimum-space . 1.0)
1004 (meta . ((interfaces . (piano-pedal-interface axis-group-interface side-position-interface spanner-interface))))
1010 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
1011 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1012 (meta . ((interfaces . (system-interface axis-group-interface spanner-interface))))
1018 (molecule-callback . ,System_start_delimiter::brew_molecule)
1019 (collapse-height . 5.0)
1020 (font-family . braces)
1021 (Y-extent-callback . #f)
1022 (meta . ((interfaces . (system-start-delimiter-interface font-interface))))
1027 (Y-extent-callback . #f)
1028 (molecule-callback . ,System_start_delimiter::brew_molecule)
1034 (bracket-collapse-height . 1)
1036 (meta . ((interfaces . (system-start-delimiter-interface spanner-interface))))
1041 (Y-extent-callback . #f)
1042 (molecule-callback . ,System_start_delimiter::brew_molecule)
1043 (glyph . "bar-line")
1045 (after-line-breaking-callback . ,System_start_delimiter::after_line_breaking)
1046 (meta . ((interfaces . (system-start-delimiter-interface spanner-interface))))
1051 (molecule-callback . ,Text_item::brew_molecule)
1052 (no-spacing-rods . #t)
1053 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
1056 (script-priority . 200)
1057 ;; todo: add X self alignment?
1059 (font-family . roman)
1060 (meta . ((interfaces . (text-script-interface text-interface side-position-interface font-interface item-interface ))))
1065 (molecule-callback . ,Text_spanner::brew_molecule)
1066 (font-family . roman)
1067 (style . dashed-line)
1069 ;; urg, only for (de)cresc. text spanners
1070 (if-text-padding . 1.0)
1071 (width-correct . -1)
1072 (dash-fraction . 0.2)
1075 (meta . ((interfaces . (text-spanner-interface side-position-interface font-interface spanner-interface))))
1080 (Y-offset-callbacks . (,Side_position_interface::out_of_staff
1081 ,Side_position_interface::aligned_side))
1082 (molecule-callback . ,Text_spanner::brew_molecule)
1083 (font-family . roman)
1084 (text-repeat-if-broken . #t)
1085 (shorten-pair . (0.0 . -0.6))
1086 (staff-padding . 1.0)
1087 (enclose-bounds . #t)
1088 (width-correct . 0.0)
1089 (style . dashed-line)
1090 (dash-fraction . 0.3)
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 . ,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 . ())
1129 (Yoo-extent-callback . ())
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 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 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<?))