1 ;;;; grob-description.scm -- part of generated backend documentation
3 ;;;; source file of the GNU LilyPond music typesetter
5 ;;;; (c) 1998--2003 Han-Wen Nienhuys <hanwen@cs.uu.nl>
6 ;;;; Jan Nieuwenhuizen <janneke@gnu.org>
8 ;;;; distances are given in stafflinethickness (thicknesses) and
9 ;;;; staffspace (distances)
11 ;;;; WARNING: the meta field should be the last one.
12 ;;;; WARNING: don't use anonymous functions for initialization.
14 ;; TODO: junk the meta field in favor of something more compact?
15 (define-public all-grob-descriptions
19 (molecule-callback . ,Accidental_interface::brew_molecule)
21 (cautionary-style . parentheses)
22 (after-line-breaking-callback . ,Accidental_interface::after_line_breaking) (meta . ((interfaces . (item-interface accidental-interface font-interface))))
26 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
29 ;; this is quite small, but it is very ugly to have
30 ;; accs closer to the previous note than to the next one.
32 (meta . ((interfaces . (item-interface accidental-placement-interface))))
38 (break-align-symbol . ambitus)
39 (molecule-callback . ,Ambitus::brew_molecule)
41 (note-head-style . "noteheads-2")
42 (visibility-lambda . ,begin-of-line-visible)
45 (clef . (extra-space . 0.0))
46 (key-signature . (extra-space . 0.0))
47 (staff-bar . (extra-space . 0.0))
48 (time-signature . (extra-space . 0.0))
49 (first-note . (fixed-space . 0.0))
51 (meta . ((interfaces . (ambitus-interface staff-symbol-referencer-interface break-aligned-interface item-interface font-interface))))
56 (X-extent-callback . ,Arpeggio::width_callback)
57 (Y-extent-callback . #f)
58 (molecule-callback . ,Arpeggio::brew_molecule)
59 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
60 (X-offset-callbacks . (,Side_position_interface::aligned_side))
62 (staff-position . 0.0)
63 (meta . ((interfaces . (arpeggio-interface staff-symbol-referencer-interface side-position-interface item-interface font-interface))))
68 (break-align-symbol . staff-bar)
70 (break-glyph-function . ,default-break-barline)
71 (bar-size-procedure . ,Bar_line::get_staff_bar_size)
72 (molecule-callback . ,Bar_line::brew_molecule)
73 (break-visibility . ,all-visible)
75 (before-line-breaking-callback . ,Bar_line::before_line_breaking)
77 (time-signature . (extra-space . 0.75))
78 (custos . (minimum-space . 2.0))
79 (clef . (minimum-space . 1.0))
80 (key-signature . (extra-space . 1.0))
81 (first-note . (fixed-space . 1.3))
82 (next-note . (semi-fixed-space . 1.3))
83 (right-edge . (extra-space . 0.0))
87 ;; Ross. page 151 lists other values, we opt for a leaner look
91 (hair-thickness . 1.6)
92 (thick-thickness . 6.0)
93 (meta . ((interfaces . (bar-line-interface item-interface break-aligned-interface font-interface))))
99 (molecule-callback . ,Text_item::brew_molecule)
101 (break-visibility . ,begin-of-line-visible)
104 (font-family . roman)
106 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
107 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
108 (self-alignment-X . 1)
109 (extra-offset . (1.3 . 0))
111 ((interfaces . (side-position-interface
113 self-alignment-interface
114 font-interface item-interface break-aligned-interface))))
120 (molecule-callback . ,Text_item::brew_molecule)
121 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
123 (font-family . number)
125 ;; We must do this, other BFs in
126 ;; paper16 become too small.
128 (font-magnification . 0.8)
130 (meta . ((interfaces . (text-interface rhythmic-grob-interface
131 bass-figure-interface item-interface
132 self-alignment-interface font-interface))))
136 ;; todo: clean this up a bit: the list is getting
138 (molecule-callback . ,Beam::brew_molecule)
139 (concaveness-gap . 2.0)
140 (concaveness-threshold . 0.08)
142 (positions . (#f . #f))
143 (position-callbacks . (,Beam::least_squares
146 ,Beam::shift_region_to_valid
150 ;; TODO: should be in SLT.
151 (thickness . 0.48) ; in staff-space
152 (before-line-breaking-callback . ,Beam::before_line_breaking)
153 (after-line-breaking-callback . ,Beam::after_line_breaking)
154 (neutral-direction . -1)
155 (dir-function . ,beam-dir-majority-median)
157 ;; Whe have some unreferenced problems here.
159 ;; If we shorten beamed stems less than normal stems (1 staffspace),
160 ;; or high order less than 8th beams, patterns like
161 ;; c''4 [c''8 c''] c''4 [c''16 c]
162 ;; are ugly (different stem lengths).
164 ;; But if we shorten 16th beams as much as 8th beams, a single
165 ;; forced 16th beam looks *very* short.
167 ;; We choose to shorten 8th beams the same as single stems,
168 ;; and high order beams less than 8th beams, so that all
169 ;; isolated shortened beams look nice and a bit shortened,
170 ;; sadly possibly breaking patterns with high order beams.
171 (beamed-stem-shorten . (1.0 0.5 0.25))
173 (outer-stem-length-limit . 0.2)
175 (flag-width-function . ,beam-flag-width-function)
177 (auto-knee-gap . 5.5)
179 ;; only for debugging.
180 (font-family . roman)
182 (space-function . ,Beam::space_function)
183 (meta . ((interfaces . (staff-symbol-referencer-interface beam-interface spanner-interface))))
191 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
192 (meta . ((interfaces . (break-alignment-interface item-interface axis-group-interface)))))
198 (X-offset-callbacks . (,Break_align_interface::alignment_callback))
199 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
200 (meta . ((interfaces . (break-aligned-interface item-interface axis-group-interface item-interface ))))
205 (break-align-symbol . breathing-sign)
208 (ambitus . (extra-space . 2.0))
209 (custos . (minimum-space . 1.0))
210 (key-signature . (minimum-space . 1.5))
211 (staff-bar . (minimum-space . 1.5))
212 (clef . (minimum-space . 2.0))
213 (first-note . (fixed-space . 1.0)) ;huh?
214 (right-edge . (extra-space . 0.1))
216 (molecule-callback . ,Text_item::brew_molecule)
217 (text . ,(make-musicglyph-markup "scripts-rcomma"))
218 (Y-offset-callbacks . (,Breathing_sign::offset_callback))
219 (break-visibility . ,begin-of-line-invisible)
220 (meta . ((interfaces . (break-aligned-interface breathing-sign-interface text-interface font-interface item-interface ))))
225 (molecule-callback . ,Clef::brew_molecule)
226 (before-line-breaking-callback . ,Clef::before_line_breaking)
228 (font-family . music)
229 (break-align-symbol . clef)
230 (break-visibility . ,begin-of-line-visible)
231 (space-alist . ((ambitus . (extra-space . 2.0))
232 (staff-bar . (extra-space . 0.7))
233 (key-signature . (minimum-space . 4.0))
234 (time-signature . (minimum-space . 4.2))
235 (first-note . (minimum-fixed-space . 5.0))
236 (next-note . (extra-space . 0.5))
237 (right-edge . (extra-space . 0.5))
239 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
240 (meta . ((interfaces . (clef-interface staff-symbol-referencer-interface font-interface break-aligned-interface item-interface ))))
243 (ClusterSpannerBeacon
245 (molecule-callback . #f)
246 (meta . ((interfaces . (cluster-beacon-interface item-interface))))
251 (molecule-callback . ,Cluster::brew_molecule)
252 (spacing-procedure . ,Spanner::set_spacing_rods)
253 (minimum-length . 0.0)
256 (meta . ((interfaces . (cluster-interface spanner-interface))))
261 (molecule-callback . ,Text_item::brew_molecule)
262 (after-line-breaking-callback . ,Chord_name::after_line_breaking)
266 (meta . ((interfaces . (font-interface rhythmic-grob-interface
267 text-interface chord-name-interface item-interface ))))
272 (break-align-symbol . custos)
274 (molecule-callback . ,Custos::brew_molecule)
275 (break-visibility . ,end-of-line-visible)
277 (neutral-position . 0)
278 (neutral-direction . -1)
279 (adjust-if-on-staffline . #t)
280 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
282 (first-note . (minimum-fixed-space . 0.0))
283 (right-edge . (extra-space . 0.1))
286 . (custos-interface staff-symbol-referencer-interface
288 break-aligned-interface item-interface ))))
296 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
297 (X-offset-callbacks . (,Dot_column::side_position))
298 (meta . ((interfaces . (dot-column-interface axis-group-interface item-interface ))))
303 (molecule-callback . ,Dots::brew_molecule)
305 (meta . ((interfaces . (font-interface staff-symbol-referencer-interface dots-interface item-interface ))))
308 (DoublePercentRepeat .
310 (molecule-callback . ,Percent_repeat_item_interface::double_percent)
313 (font-family . music)
316 (break-align-symbol . staff-bar)
317 (break-visibility . ,begin-of-line-invisible)
318 (meta . ((interfaces . (font-interface
319 break-aligned-interface
320 percent-repeat-interface item-interface ))))
325 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
326 (molecule-callback . ,Text_item::brew_molecule)
327 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self
328 ,Self_alignment_interface::centered_on_parent))
329 (self-alignment-X . 0)
330 (no-spacing-rods . #t)
331 (script-priority . 100)
333 (font-family . dynamic)
334 (font-shape . italic)
335 (self-alignment-Y . 0)
336 (meta . ((interfaces . (font-interface text-interface self-alignment-interface dynamic-interface script-interface item-interface))))
342 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
343 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
345 (minimum-space . 1.2)
347 (meta . ((interfaces . (dynamic-interface axis-group-interface side-position-interface spanner-interface))))
352 (break-align-symbol . left-edge)
353 (X-extent-callback . ,Grob::point_dimension_callback)
356 (custos . (extra-space . 0.0))
357 (ambitus . (extra-space . 2.0))
358 (time-signature . (extra-space . 0.0))
359 (staff-bar . (extra-space . 0.0))
360 (breathing-sign . (minimum-space . 0.0))
361 (clef . (extra-space . 0.85))
362 (first-note . (fixed-space . 1.0))
363 (right-edge . (extra-space . 0.0))
364 (key-signature . (extra-space . 0.0))
366 (meta . ((interfaces . (break-aligned-interface item-interface ))))
371 (molecule-callback . ,Text_item::brew_molecule)
373 (self-alignment-X . 0)
374 (self-alignment-Y . 0)
375 (script-priority . 100)
376 (font-family . number)
377 (font-size . -5) ; don't overlap when next to heads.
378 (font-shape . upright)
379 (meta . ((interfaces . (finger-interface font-interface text-script-interface text-interface side-position-interface self-alignment-interface item-interface ))))
383 (RemoveEmptyVerticalGroup
385 (Y-offset-callbacks . (,Hara_kiri_group_spanner::force_hara_kiri_callback))
386 (Y-extent-callback . ,Hara_kiri_group_spanner::y_extent)
389 (meta . ((interfaces . (axis-group-interface hara-kiri-group-interface item-interface spanner-interface))))
394 (molecule-callback . ,Hairpin::brew_molecule)
397 (spacing-procedure . ,Spanner::set_spacing_rods)
398 (minimum-length . 2.0)
399 (if-text-padding . 1.0)
401 (self-alignment-Y . 0)
402 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
403 (meta . ((interfaces . (hairpin-interface line-interface self-alignment-interface dynamic-interface spanner-interface))))
409 (molecule-callback . ,Horizontal_bracket::brew_molecule)
410 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
413 (meta . ((interfaces . (horizontal-bracket-interface side-position-interface spanner-interface))))
418 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self
419 ,Side_position_interface::aligned_on_support_refpoints))
420 ;; This direction is for aligned_on_support_refpoints
424 (left-edge . (extra-space . 1.0))
427 (self-alignment-Y . 0)
428 (molecule-callback . ,Text_item::brew_molecule)
429 (break-align-symbol . instrument-name)
430 (break-visibility . ,begin-of-line-visible)
432 (font-family . roman)
433 (meta . ((interfaces . (font-interface self-alignment-interface side-position-interface text-interface break-aligned-interface item-interface ))))
438 (molecule-callback . ,Key_signature_interface::brew_molecule)
440 (time-signature . (extra-space . 1.25))
441 (staff-bar . (extra-space . 1.1))
442 (right-edge . (extra-space . 0.5))
443 (first-note . (fixed-space . 2.5))
445 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
446 (break-align-symbol . key-signature)
447 (break-visibility . ,begin-of-line-visible)
449 (meta . ((interfaces . (key-signature-interface font-interface break-aligned-interface item-interface ))))
454 (ligature-primitive-callback . ,Note_head::brew_molecule)
459 (edge-height . (0.7 . 0.7))
460 (shorten-pair . (-0.2 . -0.2))
461 (before-line-breaking-callback . ,Tuplet_bracket::before_line_breaking)
462 (after-line-breaking-callback . ,Tuplet_bracket::after_line_breaking)
463 (molecule-callback . ,Tuplet_bracket::brew_molecule)
464 (meta . ((interfaces . (tuplet-bracket-interface spanner-interface))))
473 (minimum-length . 0.5)
474 (molecule-callback . ,Hyphen_spanner::brew_molecule)
475 (Y-extent-callback . ,Grob::point_dimension_callback)
476 (meta . ((interfaces . (lyric-hyphen-interface spanner-interface))))
481 (molecule-callback . ,Lyric_extender::brew_molecule)
482 (thickness . 0.8) ; stafflinethickness;
483 (minimum-length . 1.5)
484 (Y-extent-callback . ,Grob::point_dimension_callback)
485 (meta . ((interfaces . (lyric-extender-interface spanner-interface))))
489 . ((molecule-callback . ,Text_item::brew_molecule)
490 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_parent))
491 (self-alignment-X . 0)
493 (font-family . roman)
494 (font-series . bold-narrow)
495 (font-shape . upright)
497 (meta . ((interfaces . (rhythmic-grob-interface lyric-syllable-interface self-alignment-interface text-interface font-interface item-interface ))))
504 (ligature-primitive-callback . ,Mensural_ligature::brew_ligature_primitive)
505 (molecule-callback . ,Mensural_ligature::brew_molecule)
506 (meta . ((interfaces . (mensural-ligature-interface font-interface))))
511 (molecule-callback . ,Text_item::brew_molecule)
512 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
513 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
514 (after-line-breaking-callback . ,shift-right-at-line-begin)
515 (self-alignment-X . 0)
519 (font-family . roman)
521 (break-visibility . ,end-of-line-invisible)
523 (meta . ((interfaces . (text-interface side-position-interface font-interface mark-interface self-alignment-interface item-interface ))))
527 (molecule-callback . ,Text_item::brew_molecule)
528 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
531 (font-family . roman)
532 (break-visibility . ,end-of-line-invisible)
534 (meta . ((interfaces . (text-interface side-position-interface font-interface metronome-mark-interface item-interface))))
538 (Y-offset-callbacks . (,Side_position_interface::out_of_staff
539 ,Side_position_interface::aligned_side))
540 (molecule-callback . ,Measure_grouping::brew_molecule)
546 (meta . ((interfaces . (spanner-interface side-position-interface measure-grouping-interface))))
550 (spacing-procedure . ,Multi_measure_rest::set_spacing_rods)
551 (molecule-callback . ,Multi_measure_rest::brew_molecule)
552 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
555 (thick-thickness . 6.6)
556 (hair-thickness . 2.0)
558 (meta . ((interfaces . (multi-measure-rest-interface rest-interface font-interface staff-symbol-referencer-interface))))
561 (MultiMeasureRestNumber
563 (molecule-callback . ,Text_item::brew_molecule)
564 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self
565 ,Self_alignment_interface::centered_on_other_axis_parent))
566 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
567 (self-alignment-X . 0)
570 (font-family . number)
571 (meta . ((interfaces . (side-position-interface self-alignment-interface font-interface spanner-interface text-interface))))
573 (MultiMeasureRestText
575 (molecule-callback . ,Text_item::brew_molecule)
576 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self
577 ,Self_alignment_interface::centered_on_other_axis_parent))
578 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
579 (self-alignment-X . 0)
582 (font-family . roman)
583 (meta . ((interfaces . (side-position-interface self-alignment-interface font-interface spanner-interface text-interface))))
588 ;; Ugh, should not be hard-coded.
590 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
591 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
592 (meta . ((interfaces . (note-collision-interface axis-group-interface item-interface ))))
598 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
599 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
600 (meta . ((interfaces . (axis-group-interface note-column-interface item-interface ))))
606 (molecule-callback . ,Note_head::brew_molecule)
607 (ligature-primitive-callback . ,Note_head::brew_molecule)
608 (glyph-name-procedure . ,find-notehead-symbol)
609 (X-extent-callback . ,Note_head::extent)
610 (Y-extent-callback . ,Note_head::extent)
611 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
612 (stem-attachment-function . ,note-head-style->attachment-coordinates)
613 (meta . ((interfaces . (rhythmic-grob-interface rhythmic-head-interface font-interface note-head-interface staff-symbol-referencer-interface item-interface ))))
620 (zigzag-width . 0.75)
622 (X-extent-callback . #f)
623 (Y-extent-callback . #f)
624 (after-line-breaking-callback . ,Line_spanner::after_line_breaking)
625 (molecule-callback . ,Line_spanner::brew_molecule)
626 (meta . ((interfaces . (line-spanner-interface spanner-interface))))
634 (X-extent-callback . #f)
635 (Y-extent-callback . #f)
636 (molecule-callback . ,Line_spanner::brew_molecule)
637 (after-line-breaking-callback . ,Line_spanner::after_line_breaking)
638 (meta . ((interfaces . (line-spanner-interface spanner-interface))))
643 (molecule-callback . ,Text_item::brew_molecule)
644 (font-family . roman)
645 (meta . ((interfaces . (note-name-interface text-interface font-interface item-interface ))))
650 (self-alignment-X . 0)
651 (break-visibility . ,begin-of-line-visible)
652 (X-offset-callbacks . (,Self_alignment_interface::centered_on_parent ,Self_alignment_interface::aligned_on_self))
653 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
654 (molecule-callback . ,Text_item::brew_molecule)
655 (font-shape . italic)
658 (font-family . roman)
659 (meta . ((interfaces . (text-interface self-alignment-interface side-position-interface font-interface item-interface ))))
665 (before-line-breaking-callback . ,Paper_column::before_line_breaking)
666 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
668 ; (molecule-callback . ,Paper_column::brew_molecule) (font-name . "cmr8") (Y-extent-callback . #f)
669 (meta . ((interfaces . (paper-column-interface axis-group-interface spaceable-grob-interface item-interface ))))
674 (molecule-callback . ,Slur::brew_molecule)
676 (spacing-procedure . ,Spanner::set_spacing_rods)
677 (minimum-length . 1.5)
678 (after-line-breaking-callback . ,Slur::after_line_breaking)
679 (extremity-rules . ,default-slur-extremity-rules)
680 (extremity-offset-alist . ,default-phrasing-slur-extremity-offset-alist)
681 (de-uglify-parameters . (1.5 0.8 -2.0))
682 (Y-extent-callback . ,Slur::height)
687 (attachment . (#f . #f))
688 (attachment-offset . ((0 . 0) . (0 . 0)))
690 (details . ((force-blowfit . 0.5)
691 (bezier-pct-c0 . -0.2) (bezier-pct-c3 . 0.000006)
692 (bezier-pct-out-max . 0.8) (bezier-pct-in-max . 1.2)
693 (bezier-area-steps . 1.0)))
694 (meta . ((interfaces . (slur-interface spanner-interface))))
697 (NonMusicalPaperColumn
700 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
701 (before-line-breaking-callback . ,Paper_column::before_line_breaking)
702 ;; debugging stuff: print column number.
703 ; (molecule-callback . ,Paper_column::brew_molecule) (font-name . "cmr8") (Y-extent-callback . #f)
706 (meta . ((interfaces . (paper-column-interface axis-group-interface spaceable-grob-interface item-interface ))))
711 (spacing-procedure . ,Multi_measure_rest::set_spacing_rods)
712 (molecule-callback . ,Multi_measure_rest::percent)
715 (minimum-width . 12.5) ; staffspace
716 (font-family . music)
717 (meta . ((interfaces . (multi-measure-rest-interface spanner-interface font-interface percent-repeat-interface))))
720 (PianoPedalBracket ;; an example of a text spanner
722 (molecule-callback . ,Piano_pedal_bracket::brew_molecule)
723 (font-family . roman)
725 (if-text-padding . 1.0)
727 (bracket-flare . (0.5 . 0.5))
728 (edge-height . (1.0 . 1.0))
729 (shorten-pair . (0.0 . 0.0))
731 (meta . ((interfaces . (line-interface piano-pedal-interface piano-pedal-bracket-interface spanner-interface))))
736 (molecule-callback . ,Percent_repeat_item_interface::beat_slash)
739 (meta . ((interfaces . (percent-repeat-interface item-interface ))))
743 (after-line-breaking-callback . ,Rest::after_line_breaking)
744 (X-extent-callback . ,Rest::extent_callback)
745 (Y-extent-callback . ,Rest::extent_callback)
746 (molecule-callback . ,Rest::brew_molecule)
747 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
748 (minimum-distance . 0.25)
750 (interfaces . (font-interface
751 rhythmic-head-interface
752 rhythmic-grob-interface
754 staff-symbol-referencer-interface
755 rest-interface item-interface ))
760 (minimum-distance . 0.75)
761 (meta . ((interfaces . (rest-collision-interface item-interface ))))
766 ;; don't set direction here: it breaks staccato.
767 (molecule-callback . ,Script_interface::brew_molecule)
769 ;; This value is sensitive: if too large, staccato dots will move a
772 ;; (script-priority . 0) priorities for scripts, see script.scm
773 (X-offset-callbacks . (,Self_alignment_interface::centered_on_parent))
774 (before-line-breaking-callback . ,Script_interface::before_line_breaking)
775 (font-family . music)
776 (meta . ((interfaces . (script-interface side-position-interface font-interface item-interface ))))
781 (before-line-breaking-callback . ,Script_column::before_line_breaking)
782 (meta . ((interfaces . (script-column-interface item-interface ))))
787 (molecule-callback . ,Slur::brew_molecule)
789 (spacing-procedure . ,Spanner::set_spacing_rods)
790 (minimum-length . 1.5)
791 (after-line-breaking-callback . ,Slur::after_line_breaking)
792 (extremity-rules . ,default-slur-extremity-rules)
793 (extremity-offset-alist . ,default-slur-extremity-offset-alist)
794 (de-uglify-parameters . (1.5 0.8 -2.0))
795 (Y-extent-callback . ,Slur::height)
800 (attachment . (#f . #f))
801 (attachment-offset . ((0 . 0) . (0 . 0)))
803 (details . ((force-blowfit . 0.5)
804 (bezier-pct-c0 . -0.2) (bezier-pct-c3 . 0.000006)
805 (bezier-pct-out-max . 0.8) (bezier-pct-in-max . 1.2)
806 (bezier-area-steps . 1.0)))
807 (meta . ((interfaces . (slur-interface spanner-interface))))
812 (spacing-procedure . ,Spacing_spanner::set_springs)
813 (grace-space-factor . 0.6)
814 (shortest-duration-space . 2.0)
815 (spacing-increment . 1.2)
816 (base-shortest-duration . ,(ly:make-moment 1 8))
817 (meta . ((interfaces . (spacing-interface spacing-spanner-interface spanner-interface))))
822 (break-align-symbol . staff-bar)
823 (bar-size-procedure . ,Span_bar::get_bar_size)
824 (molecule-callback . ,Span_bar::brew_molecule)
825 (break-visibility . ,begin-of-line-invisible)
826 (X-extent-callback . ,Span_bar::width_callback)
827 (Y-extent-callback . ())
830 (before-line-breaking-callback . ,Span_bar::before_line_breaking)
834 ;; Ross. page 151 lists other values, we opt for a leaner look
838 (hair-thickness . 1.6)
839 (thick-thickness . 6.0)
840 (meta . ((interfaces . (span-bar-interface font-interface
841 bar-line-interface item-interface ))))
845 . ((molecule-callback . ,Text_item::brew_molecule)
846 (font-family . roman)
849 (X-offset-callbacks . (,Side_position_interface::aligned_side))
851 (meta . ((interfaces . (side-position-interface text-interface font-interface item-interface ))))
857 (stem-spacing-correction . 0.4)
859 (meta . ((interfaces . (spacing-interface staff-spacing-interface item-interface ))))
863 (stem-spacing-correction . 0.5)
865 ;; Changed this from 0.75.
866 ;; If you ever change this back, please document! --hwn
867 (knee-spacing-correction . 1.0)
869 (meta . ((interfaces . (spacing-interface note-spacing-interface item-interface ))))
874 (molecule-callback . ,Staff_symbol::brew_molecule)
876 (ledger-line-thickness . (1.0 . 0.1))
878 (meta . ((interfaces . (staff-symbol-interface spanner-interface))))
883 (molecule-callback . ,Text_item::brew_molecule)
885 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
886 (no-spacing-rods . #t)
887 (padding . 0.0) ;; padding relative to SostenutoPedalLineSpanner
888 (font-family . roman)
889 (font-shape . italic)
890 (self-alignment-X . 0)
891 (meta . ((interfaces . (text-interface self-alignment-interface font-interface item-interface))))
894 (SostenutoPedalLineSpanner
897 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
898 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
902 (minimum-space . 1.0)
904 (meta . ((interfaces . (piano-pedal-interface axis-group-interface side-position-interface spanner-interface))))
910 ;; this list is rather long. Trim --hwn
911 (before-line-breaking-callback . ,Stem::before_line_breaking)
912 (molecule-callback . ,Stem::brew_molecule)
915 ;; 3.5 (or 3 measured from note head) is standar length
916 ;; 32nd, 64th flagged stems should be longer
917 (lengths . (3.5 3.5 3.5 4.5 5.0))
919 ;; Stems in unnatural (forced) direction should be shortened by
920 ;; one staff space, according to [Roush & Gourlay].
921 ;; Flagged stems we shorten only half a staff space.
922 (stem-shorten . (1.0 0.5))
924 ;; default stem direction for note on middle line
925 (neutral-direction . -1)
929 ;; FIXME. 3.5 yields too long beams (according to Ross and
930 ;; looking at Baerenreiter examples) for a number of common
931 ;; boundary cases. Subtracting half a beam thickness fixes
932 ;; this, but the bug may well be somewhere else.
934 ;; FIXME this should come from 'lengths
936 ; (beamed-lengths . (3.26 3.26 1.5))
937 (beamed-lengths . (3.5 3.5 3.5 4.5 5.0))
939 ;; We use the normal minima as minimum for the ideal lengths,
940 ;; and the extreme minima as abolute minimum length.
942 ;; The 'normal' minima
943 (beamed-minimum-free-lengths . (1.83 1.5 1.25))
945 ;; The 'extreme case' minima
946 (beamed-extreme-minimum-free-lengths . (2.0 1.25))
948 (X-offset-callbacks . (,Stem::off_callback))
949 (X-extent-callback . ,Stem::dim_callback)
950 (Y-extent-callback . ,Stem::height)
951 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
952 (adjust-if-on-staffline . #t)
953 (font-family . music)
954 (meta . ((interfaces . (stem-interface font-interface item-interface ))))
959 (molecule-callback . ,Stem_tremolo::brew_molecule)
960 (Y-extent-callback . ,Stem_tremolo::height)
961 (X-extent-callback . #f)
963 (beam-width . 1.6) ; staff-space
964 (beam-thickness . 0.48) ; staff-space
965 (meta . ((interfaces . (stem-tremolo-interface item-interface ))))
970 (X-extent-callback . #f)
971 (Y-extent-callback . #f)
972 (meta . ((interfaces . (spacing-interface separation-item-interface item-interface ))))
975 (SeparatingGroupSpanner
977 (spacing-procedure . ,Separating_group_spanner::set_spacing_rods)
978 (meta . ((interfaces . (only-prebreak-interface spacing-interface separation-spanner-interface spanner-interface))))
983 (no-spacing-rods . #t)
984 (molecule-callback . ,Sustain_pedal::brew_molecule)
985 (self-alignment-X . 0)
987 (padding . 0.0) ;; padding relative to SustainPedalLineSpanner
988 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
989 (meta . ((interfaces . (piano-pedal-interface text-spanner-interface text-interface self-alignment-interface font-interface item-interface))))
992 (SustainPedalLineSpanner
995 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
996 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
999 (minimum-space . 1.0)
1001 (meta . ((interfaces . (piano-pedal-interface axis-group-interface side-position-interface spanner-interface))))
1007 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
1008 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1009 (meta . ((interfaces . (system-interface axis-group-interface spanner-interface))))
1015 (molecule-callback . ,System_start_delimiter::brew_molecule)
1016 (collapse-height . 5.0)
1017 (font-family . braces)
1018 (Y-extent-callback . #f)
1019 (meta . ((interfaces . (system-start-delimiter-interface font-interface))))
1024 (Y-extent-callback . #f)
1025 (molecule-callback . ,System_start_delimiter::brew_molecule)
1031 (bracket-collapse-height . 1)
1033 (meta . ((interfaces . (system-start-delimiter-interface spanner-interface))))
1038 (Y-extent-callback . #f)
1039 (molecule-callback . ,System_start_delimiter::brew_molecule)
1040 (glyph . "bar-line")
1042 (after-line-breaking-callback . ,System_start_delimiter::after_line_breaking)
1043 (meta . ((interfaces . (system-start-delimiter-interface spanner-interface))))
1048 (molecule-callback . ,Text_item::brew_molecule)
1049 (no-spacing-rods . #t)
1050 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
1053 (script-priority . 200)
1054 ;; todo: add X self alignment?
1056 (font-family . roman)
1057 (meta . ((interfaces . (text-script-interface text-interface side-position-interface font-interface item-interface ))))
1062 (molecule-callback . ,Text_spanner::brew_molecule)
1063 (font-family . roman)
1064 (style . dashed-line)
1066 ;; urg, only for (de)cresc. text spanners
1067 (if-text-padding . 1.0)
1068 (dash-fraction . 0.2)
1071 (meta . ((interfaces . (text-spanner-interface side-position-interface font-interface spanner-interface))))
1076 (Y-offset-callbacks . (,Side_position_interface::out_of_staff
1077 ,Side_position_interface::aligned_side))
1078 (molecule-callback . ,Ottava_bracket::brew_molecule)
1079 (font-shape . italic)
1080 (font-family . roman)
1081 (text-repeat-if-broken . #t)
1082 (shorten-pair . (0.0 . -0.6))
1083 (staff-padding . 1.0)
1085 (minimum-length . 1.0)
1086 (dash-fraction . 0.3)
1087 (edge-height . (0 . 1.2))
1089 (meta . ((interfaces . (ottava-bracket-interface
1090 line-interface side-position-interface
1091 font-interface text-interface spanner-interface))))
1096 (font-family . roman)
1098 (molecule-callback . ,Text_item::brew_molecule)
1099 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
1100 (extra-offset . (0 . -0.65)) ;; UGH! TODO: Clean this up!
1101 (stem-attachment-function . ,tablature-stem-attachment-function)
1102 (meta . ((interfaces
1103 . (rhythmic-head-interface
1105 note-head-interface staff-symbol-referencer-interface
1106 text-interface item-interface ))))
1112 (molecule-callback . ,Tie::brew_molecule)
1113 (spacing-procedure . ,Spanner::set_spacing_rods)
1114 (staffline-clearance . 0.35)
1115 (details . ((ratio . 0.333) (height-limit . 1.0)))
1119 (minimum-length . 2.5)
1120 (meta . ((interfaces . (tie-interface spanner-interface))))
1125 (after-line-breaking-callback . ,Tie_column::after_line_breaking)
1126 (X-extent-callback . #f)
1127 (Y-extent-callback . #f)
1128 (meta . ((interfaces . (tie-column-interface spanner-interface))))
1133 (molecule-callback . ,Time_signature::brew_molecule)
1134 ; (molecule-callback . ,Text_item::brew_molecule)
1135 (break-align-symbol . time-signature)
1136 (break-visibility . ,all-visible)
1138 (first-note . (fixed-space . 2.0))
1139 (right-edge . (extra-space . 0.5))
1140 (staff-bar . (minimum-space . 2.0))
1144 ; (text . (,time-signature-glue-markup))
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)
1164 (meta . ((interfaces . (text-interface line-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)
1213 (meta . ((interfaces . (volta-bracket-interface line-interface text-interface side-position-interface font-interface spanner-interface))))
1219 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1220 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
1222 (meta . ((interfaces . (align-interface axis-group-interface spanner-interface))))
1228 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1229 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
1231 (meta . ((interfaces . (axis-group-interface spanner-interface))))
1239 (define (completize-grob-entry x)
1240 "transplant assoc key into 'name entry of 'meta of X
1242 (let* ((name-sym (car x))
1243 (grob-entry (cdr x))
1244 (metaentry (cdr (assoc 'meta grob-entry)))
1246 (cdr (assoc 'interfaces metaentry)))
1249 (set! metaentry (assoc-set! metaentry 'name name-sym))
1250 (set! metaentry (assoc-set! metaentry 'interfaces
1251 (cons 'grob-interface ifaces-entry)))
1252 (set! grob-entry (assoc-set! grob-entry 'meta metaentry))
1253 (cons name-sym grob-entry)))
1255 (set! all-grob-descriptions (map completize-grob-entry all-grob-descriptions))
1259 ; (display (map pair? all-grob-descriptions))
1262 ;; make sure that \property Foo.Bar =\turnOff doesn't complain
1265 ; (display (car x)) (newline)
1267 (set-object-property! (car x) 'translation-type? list?)
1268 (set-object-property! (car x) 'is-grob? #t))
1269 all-grob-descriptions)
1272 (set! all-grob-descriptions (sort all-grob-descriptions alist<?))