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)
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)
124 ;; We must do this, other BFs in
125 ;; paper16 become too small.
127 (font-magnification . 0.8)
129 (meta . ((interfaces . (text-interface rhythmic-grob-interface
130 bass-figure-interface item-interface
131 self-alignment-interface font-interface))))
135 ;; todo: clean this up a bit: the list is getting
137 (molecule-callback . ,Beam::brew_molecule)
138 (concaveness-gap . 2.0)
139 (concaveness-threshold . 0.08)
141 (positions . (#f . #f))
142 (position-callbacks . (,Beam::least_squares
145 ,Beam::shift_region_to_valid
149 ;; TODO: should be in SLT.
150 (thickness . 0.48) ; in staff-space
151 (before-line-breaking-callback . ,Beam::before_line_breaking)
152 (after-line-breaking-callback . ,Beam::after_line_breaking)
153 (neutral-direction . -1)
154 (dir-function . ,beam-dir-majority-median)
156 ;; Whe have some unreferenced problems here.
158 ;; If we shorten beamed stems less than normal stems (1 staffspace),
159 ;; or high order less than 8th beams, patterns like
160 ;; c''4 [c''8 c''] c''4 [c''16 c]
161 ;; are ugly (different stem lengths).
163 ;; But if we shorten 16th beams as much as 8th beams, a single
164 ;; forced 16th beam looks *very* short.
166 ;; We choose to shorten 8th beams the same as single stems,
167 ;; and high order beams less than 8th beams, so that all
168 ;; isolated shortened beams look nice and a bit shortened,
169 ;; sadly possibly breaking patterns with high order beams.
170 (beamed-stem-shorten . (1.0 0.5 0.25))
172 (outer-stem-length-limit . 0.2)
174 (flag-width-function . ,beam-flag-width-function)
176 (auto-knee-gap . 5.5)
178 ;; only for debugging.
179 ; (font-name . "cmr10")
181 (space-function . ,Beam::space_function)
182 (meta . ((interfaces . (staff-symbol-referencer-interface beam-interface spanner-interface))))
190 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
191 (meta . ((interfaces . (break-alignment-interface item-interface axis-group-interface)))))
197 (X-offset-callbacks . (,Break_align_interface::alignment_callback))
198 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
199 (meta . ((interfaces . (break-aligned-interface item-interface axis-group-interface item-interface ))))
204 (break-align-symbol . breathing-sign)
207 (ambitus . (extra-space . 2.0))
208 (custos . (minimum-space . 1.0))
209 (key-signature . (minimum-space . 1.5))
210 (staff-bar . (minimum-space . 1.5))
211 (clef . (minimum-space . 2.0))
212 (first-note . (minimum-space . 1.0))
213 (right-edge . (extra-space . 0.1))
215 (molecule-callback . ,Text_item::brew_molecule)
216 (text . ,(make-musicglyph-markup "scripts-rcomma"))
217 (Y-offset-callbacks . (,Breathing_sign::offset_callback))
218 (break-visibility . ,begin-of-line-invisible)
219 (meta . ((interfaces . (break-aligned-interface breathing-sign-interface text-interface font-interface item-interface ))))
224 (molecule-callback . ,Clef::brew_molecule)
225 (before-line-breaking-callback . ,Clef::before_line_breaking)
227 (font-family . music)
228 (break-align-symbol . clef)
229 (break-visibility . ,begin-of-line-visible)
230 (space-alist . ((ambitus . (extra-space . 2.0))
231 (staff-bar . (extra-space . 0.7))
232 (key-signature . (minimum-space . 4.0))
233 (time-signature . (minimum-space . 4.2))
234 (first-note . (minimum-space . 5.0))
235 (next-note . (extra-space . 0.5))
236 (right-edge . (extra-space . 0.5))
238 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
239 (meta . ((interfaces . (clef-interface staff-symbol-referencer-interface font-interface break-aligned-interface item-interface ))))
242 (ClusterSpannerBeacon
244 (molecule-callback . #f)
245 (meta . ((interfaces . (cluster-beacon-interface item-interface))))
250 (molecule-callback . ,Cluster::brew_molecule)
251 (spacing-procedure . ,Spanner::set_spacing_rods)
252 (minimum-length . 0.0)
255 (meta . ((interfaces . (cluster-interface spanner-interface))))
260 (molecule-callback . ,Text_item::brew_molecule)
261 (after-line-breaking-callback . ,Chord_name::after_line_breaking)
264 (meta . ((interfaces . (font-interface rhythmic-grob-interface
265 text-interface chord-name-interface item-interface ))))
270 (break-align-symbol . custos)
272 (molecule-callback . ,Custos::brew_molecule)
273 (break-visibility . ,end-of-line-visible)
275 (neutral-position . 0)
276 (neutral-direction . -1)
277 (adjust-if-on-staffline . #t)
278 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
280 (first-note . (minimum-space . 0.0))
281 (right-edge . (extra-space . 0.1))
284 . (custos-interface staff-symbol-referencer-interface
286 break-aligned-interface item-interface ))))
294 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
295 (X-offset-callbacks . (,Dot_column::side_position))
296 (meta . ((interfaces . (dot-column-interface axis-group-interface item-interface ))))
301 (molecule-callback . ,Dots::brew_molecule)
303 (Y-offset-callbacks . (,Dots::quantised_position_callback ,Staff_symbol_referencer::callback))
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 . (extra-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 . (extra-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))))
473 (minimum-length . 0.5)
474 (maximum-length . 100)
475 (spacing-procedure . ,Hyphen_spanner::set_spacing_rods)
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 (Y-extent-callback . ,Grob::point_dimension_callback)
486 (meta . ((interfaces . (lyric-extender-interface spanner-interface))))
490 . ((molecule-callback . ,Text_item::brew_molecule)
491 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_parent))
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)
521 (font-family . roman)
523 (break-visibility . ,end-of-line-invisible)
525 (meta . ((interfaces . (break-aligned-interface text-interface side-position-interface font-interface mark-interface self-alignment-interface item-interface ))))
529 (molecule-callback . ,Text_item::brew_molecule)
530 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
533 (font-family . roman)
534 (break-visibility . ,end-of-line-invisible)
536 (meta . ((interfaces . (text-interface side-position-interface font-interface metronome-mark-interface item-interface))))
540 (Y-offset-callbacks . (,Side_position_interface::out_of_staff
541 ,Side_position_interface::aligned_side))
542 (molecule-callback . ,Measure_grouping::brew_molecule)
548 (meta . ((interfaces . (spanner-interface side-position-interface measure-grouping-interface))))
552 (spacing-procedure . ,Multi_measure_rest::set_spacing_rods)
553 (molecule-callback . ,Multi_measure_rest::brew_molecule)
554 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
557 (thick-thickness . 6.6)
558 (hair-thickness . 2.0)
560 (meta . ((interfaces . (multi-measure-rest-interface rest-interface font-interface staff-symbol-referencer-interface))))
563 (MultiMeasureRestNumber
565 (molecule-callback . ,Text_item::brew_molecule)
566 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self
567 ,Self_alignment_interface::centered_on_other_axis_parent))
568 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
569 (self-alignment-X . 0)
572 (font-family . number)
573 (meta . ((interfaces . (side-position-interface self-alignment-interface font-interface spanner-interface text-interface))))
575 (MultiMeasureRestText
577 (molecule-callback . ,Text_item::brew_molecule)
578 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self
579 ,Self_alignment_interface::centered_on_other_axis_parent))
580 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
581 (self-alignment-X . 0)
584 (font-family . roman)
585 (meta . ((interfaces . (side-position-interface self-alignment-interface font-interface spanner-interface text-interface))))
590 ;; Ugh, should not be hard-coded.
592 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
593 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
594 (meta . ((interfaces . (note-collision-interface axis-group-interface item-interface ))))
600 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
601 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
602 (meta . ((interfaces . (axis-group-interface note-column-interface item-interface ))))
608 (molecule-callback . ,Note_head::brew_molecule)
609 (ligature-primitive-callback . ,Note_head::brew_molecule)
610 (glyph-name-procedure . ,find-notehead-symbol)
611 (X-extent-callback . ,Note_head::extent)
612 (Y-extent-callback . ,Note_head::extent)
613 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
614 (stem-attachment-function . ,note-head-style->attachment-coordinates)
615 (meta . ((interfaces . (rhythmic-grob-interface rhythmic-head-interface font-interface note-head-interface staff-symbol-referencer-interface item-interface ))))
622 (zigzag-width . 0.75)
624 (X-extent-callback . #f)
625 (Y-extent-callback . #f)
626 (after-line-breaking-callback . ,Line_spanner::after_line_breaking)
627 (molecule-callback . ,Line_spanner::brew_molecule)
628 (meta . ((interfaces . (line-spanner-interface spanner-interface))))
636 (X-extent-callback . #f)
637 (Y-extent-callback . #f)
638 (molecule-callback . ,Line_spanner::brew_molecule)
639 (after-line-breaking-callback . ,Line_spanner::after_line_breaking)
640 (meta . ((interfaces . (line-spanner-interface spanner-interface))))
645 (molecule-callback . ,Text_item::brew_molecule)
646 (font-family . roman)
647 (meta . ((interfaces . (note-name-interface text-interface font-interface item-interface ))))
652 (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)
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 ))))
850 . ((molecule-callback . ,Text_item::brew_molecule)
851 (font-family . roman)
854 (X-offset-callbacks . (,Side_position_interface::aligned_side))
856 (meta . ((interfaces . (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 . (1.83 1.5 1.25))
955 ;; The 'extreme case' minima
956 (beamed-extreme-minimum-free-lengths . (2.5 2.0 1.0))
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 (meta . ((interfaces . (stem-interface font-interface item-interface ))))
969 (molecule-callback . ,Stem_tremolo::brew_molecule)
970 (Y-extent-callback . ,Stem_tremolo::height)
971 (X-extent-callback . #f)
973 (beam-width . 1.6) ; staff-space
974 (beam-thickness . 0.48) ; staff-space
975 (meta . ((interfaces . (stem-tremolo-interface item-interface ))))
980 (meta . ((interfaces . (spacing-interface separation-item-interface item-interface ))))
983 (SeparatingGroupSpanner
985 (spacing-procedure . ,Separating_group_spanner::set_spacing_rods)
986 (meta . ((interfaces . (spacing-interface separation-spanner-interface spanner-interface))))
991 (no-spacing-rods . #t)
992 (molecule-callback . ,Sustain_pedal::brew_molecule)
993 (self-alignment-X . 0)
995 (padding . 0.0) ;; padding relative to SustainPedalLineSpanner
996 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
997 (meta . ((interfaces . (piano-pedal-interface text-spanner-interface text-interface self-alignment-interface font-interface item-interface))))
1000 (SustainPedalLineSpanner
1003 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1004 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1007 (minimum-space . 1.0)
1009 (meta . ((interfaces . (piano-pedal-interface axis-group-interface side-position-interface spanner-interface))))
1015 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
1016 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1017 (meta . ((interfaces . (system-interface axis-group-interface spanner-interface))))
1023 (molecule-callback . ,System_start_delimiter::brew_molecule)
1024 (collapse-height . 5.0)
1025 (font-family . braces)
1026 (Y-extent-callback . #f)
1027 (meta . ((interfaces . (system-start-delimiter-interface font-interface))))
1032 (Y-extent-callback . #f)
1033 (molecule-callback . ,System_start_delimiter::brew_molecule)
1039 (bracket-collapse-height . 1)
1041 (meta . ((interfaces . (system-start-delimiter-interface spanner-interface))))
1046 (Y-extent-callback . #f)
1047 (molecule-callback . ,System_start_delimiter::brew_molecule)
1048 (glyph . "bar-line")
1050 (after-line-breaking-callback . ,System_start_delimiter::after_line_breaking)
1051 (meta . ((interfaces . (system-start-delimiter-interface spanner-interface))))
1056 (molecule-callback . ,Text_item::brew_molecule)
1057 (no-spacing-rods . #t)
1058 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
1061 (script-priority . 200)
1062 ;; todo: add X self alignment?
1064 (font-family . roman)
1065 (meta . ((interfaces . (text-script-interface text-interface side-position-interface font-interface item-interface ))))
1070 (molecule-callback . ,Text_spanner::brew_molecule)
1071 (font-family . roman)
1072 (style . dashed-line)
1074 ;; urg, only for (de)cresc. text spanners
1075 (if-text-padding . 1.0)
1076 (width-correct . -1)
1077 (dash-fraction . 0.2)
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 (dash-fraction . 0.3)
1092 (edge-height . (0 . 1.5))
1094 (meta . ((interfaces . (text-spanner-interface side-position-interface font-interface spanner-interface))))
1099 (font-family . roman)
1101 (molecule-callback . ,Text_item::brew_molecule)
1102 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
1103 (extra-offset . (0 . -0.65)) ;; UGH! TODO: Clean this up!
1104 (stem-attachment-function . ,tablature-stem-attachment-function)
1105 (meta . ((interfaces
1106 . (rhythmic-head-interface
1108 note-head-interface staff-symbol-referencer-interface
1109 text-interface item-interface ))))
1115 (molecule-callback . ,Tie::brew_molecule)
1116 (spacing-procedure . ,Spanner::set_spacing_rods)
1117 (staffline-clearance . 0.35)
1118 (details . ((ratio . 0.333) (height-limit . 1.0)))
1122 (minimum-length . 2.5)
1123 (meta . ((interfaces . (tie-interface spanner-interface))))
1128 (after-line-breaking-callback . ,Tie_column::after_line_breaking)
1129 (X-extent-callback . ())
1130 (Yoo-extent-callback . ())
1131 (meta . ((interfaces . (tie-column-interface spanner-interface))))
1136 (molecule-callback . ,Time_signature::brew_molecule)
1137 ; (molecule-callback . ,Text_item::brew_molecule)
1138 (break-align-symbol . time-signature)
1139 (break-visibility . ,all-visible)
1141 (first-note . (extra-space . 2.0))
1142 (right-edge . (extra-space . 0.5))
1143 (staff-bar . (minimum-space . 2.0))
1147 ; (text . (,time-signature-glue-markup))
1148 (font-family . number)
1149 (meta . ((interfaces . (time-signature-interface break-aligned-interface font-interface item-interface ))))
1157 (edge-height . (0.7 . 0.7))
1158 (shorten-pair . (-0.2 . -0.2))
1159 (before-line-breaking-callback . ,Tuplet_bracket::before_line_breaking)
1160 (after-line-breaking-callback . ,Tuplet_bracket::after_line_breaking)
1161 (molecule-callback . ,Tuplet_bracket::brew_molecule)
1162 (font-family . roman)
1163 (font-shape . italic)
1164 (font-series . bold)
1167 (meta . ((interfaces . (text-interface tuplet-bracket-interface font-interface spanner-interface))))
1172 (molecule-callback . ,Text_item::brew_molecule)
1173 (font-family . roman)
1174 (font-shape . italic)
1175 (no-spacing-rods . #t)
1176 (self-alignment-X . 0)
1178 (padding . 0.0) ;; padding relative to UnaCordaPedalLineSpanner
1179 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
1180 (meta . ((interfaces . (text-interface self-alignment-interface font-interface item-interface ))))
1183 (UnaCordaPedalLineSpanner
1186 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1187 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1190 (minimum-space . 1.0)
1192 (meta . ((interfaces . (piano-pedal-interface axis-group-interface side-position-interface spanner-interface))))
1199 (ligature-primitive-callback . ,Vaticana_ligature::brew_ligature_primitive)
1200 (molecule-callback . ,Vaticana_ligature::brew_molecule)
1201 (meta . ((interfaces . (vaticana-ligature-interface font-interface))))
1206 (molecule-callback . ,Volta_bracket_interface::brew_molecule)
1209 (font-family . number)
1210 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1211 (thickness . 1.6) ; stafflinethickness
1212 (height . 2.0) ; staffspace;
1214 (font-family . number)
1216 (meta . ((interfaces . (volta-bracket-interface text-interface side-position-interface font-interface spanner-interface))))
1222 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1223 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
1225 (meta . ((interfaces . (align-interface axis-group-interface spanner-interface))))
1231 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1232 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
1234 (meta . ((interfaces . (axis-group-interface spanner-interface))))
1242 (define (completize-grob-entry x)
1243 "transplant assoc key into 'name entry of 'meta of X
1245 (let* ((name-sym (car x))
1246 (grob-entry (cdr x))
1247 (metaentry (cdr (assoc 'meta grob-entry)))
1249 (cdr (assoc 'interfaces metaentry)))
1252 (set! metaentry (assoc-set! metaentry 'name name-sym))
1253 (set! metaentry (assoc-set! metaentry 'interfaces
1254 (cons 'grob-interface ifaces-entry)))
1255 (set! grob-entry (assoc-set! grob-entry 'meta metaentry))
1256 (cons name-sym grob-entry)))
1258 (set! all-grob-descriptions (map completize-grob-entry all-grob-descriptions))
1262 ; (display (map pair? all-grob-descriptions))
1265 ;; make sure that \property Foo.Bar =\turnOff doesn't complain
1268 ; (display (car x)) (newline)
1270 (set-object-property! (car x) 'translation-type? list?)
1271 (set-object-property! (car x) 'is-grob? #t))
1272 all-grob-descriptions)
1275 (set! all-grob-descriptions (sort all-grob-descriptions alist<?))