1 ;;;; define-grobs.scm --
3 ;;;; source file of the GNU LilyPond music typesetter
5 ;;;; (c) 1998--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
6 ;;;; Jan Nieuwenhuizen <janneke@gnu.org>
8 ;;;; distances are given in linethickness (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 (print-function . ,Accidental_interface::print)
21 (cautionary-style . parentheses)
22 (after-line-breaking-callback . ,Accidental_interface::after_line_breaking) (meta . ((interfaces . (item-interface accidental-interface font-interface))))
27 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
30 ;; this is quite small, but it is very ugly to have
31 ;; accs closer to the previous note than to the next one.
32 (right-padding . 0.15)
33 (meta . ((interfaces . (item-interface accidental-placement-interface))))
39 (break-align-symbol . ambitus)
40 (print-function . ,Ambitus::print)
42 (note-head-style . "noteheads-2")
43 (break-visibility . ,begin-of-line-visible)
46 (clef . (extra-space . 0.0))
47 (key-signature . (extra-space . 0.0))
48 (staff-bar . (extra-space . 0.0))
49 (time-signature . (extra-space . 0.0))
50 (first-note . (fixed-space . 0.0))
52 (meta . ((interfaces . (ambitus-interface staff-symbol-referencer-interface break-aligned-interface item-interface font-interface))))
57 (X-extent-callback . ,Arpeggio::width_callback)
58 (Y-extent-callback . #f)
59 (print-function . ,Arpeggio::print)
60 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
61 (X-offset-callbacks . (,Side_position_interface::aligned_side))
64 (staff-position . 0.0)
65 (meta . ((interfaces . (arpeggio-interface staff-symbol-referencer-interface side-position-interface item-interface font-interface))))
70 (break-align-symbol . staff-bar)
72 (break-glyph-function . ,default-break-barline)
73 (bar-size-procedure . ,Bar_line::get_staff_bar_size)
74 (print-function . ,Bar_line::print)
75 (break-visibility . ,all-visible)
77 (before-line-breaking-callback . ,Bar_line::before_line_breaking)
79 (time-signature . (extra-space . 0.75))
80 (custos . (minimum-space . 2.0))
81 (clef . (minimum-space . 1.0))
82 (key-signature . (extra-space . 1.0))
83 (first-note . (fixed-space . 1.3))
84 (next-note . (semi-fixed-space . 1.3))
85 (right-edge . (extra-space . 0.0))
89 ;; Ross. page 151 lists other values, we opt for a leaner look
93 (hair-thickness . 1.6)
94 (thick-thickness . 6.0)
95 (meta . ((interfaces . (bar-line-interface item-interface break-aligned-interface font-interface))))
101 (print-function . ,Text_item::print)
103 (break-visibility . ,begin-of-line-visible)
106 (font-family . roman)
108 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
109 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
110 (self-alignment-X . 1)
112 ;; hmm. why did we do this: ?
113 (extra-offset . (1.3 . 0))
115 ((interfaces . (side-position-interface
117 self-alignment-interface
118 font-interface item-interface break-aligned-interface))))
124 (print-function . ,Text_item::print)
125 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
127 (font-family . number)
129 ;; We must do this, other BFs in
130 ;; paper16 become too small.
133 (meta . ((interfaces . (text-interface rhythmic-grob-interface
134 bass-figure-interface item-interface
135 self-alignment-interface font-interface))))
139 ;; todo: clean this up a bit: the list is getting
141 (print-function . ,Beam::print)
142 (concaveness-gap . 1.85)
143 (concaveness-threshold . 0.26)
145 (positions . (#f . #f))
146 (position-callbacks . (,Beam::least_squares
149 ,Beam::shift_region_to_valid
153 ;; TODO: should be in SLT.
154 (thickness . 0.48) ; in staff-space
155 (before-line-breaking-callback . ,Beam::before_line_breaking)
156 (after-line-breaking-callback . ,Beam::after_line_breaking)
157 (neutral-direction . -1)
158 (dir-function . ,beam-dir-majority-median)
160 ;; Whe have some unreferenced problems here.
162 ;; If we shorten beamed stems less than normal stems (1 staffspace),
163 ;; or high order less than 8th beams, patterns like
164 ;; c''4 [c''8 c''] c''4 [c''16 c]
165 ;; are ugly (different stem lengths).
167 ;; But if we shorten 16th beams as much as 8th beams, a single
168 ;; forced 16th beam looks *very* short.
170 ;; We choose to shorten 8th beams the same as single stems,
171 ;; and high order beams less than 8th beams, so that all
172 ;; isolated shortened beams look nice and a bit shortened,
173 ;; sadly possibly breaking patterns with high order beams.
174 (beamed-stem-shorten . (1.0 0.5 0.25))
177 (flag-width-function . ,beam-flag-width-function)
179 (auto-knee-gap . 5.5)
181 ;; only for debugging.
182 (font-family . roman)
184 (space-function . ,Beam::space_function)
185 (meta . ((interfaces . (staff-symbol-referencer-interface beam-interface spanner-interface))))
193 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
194 (meta . ((interfaces . (break-alignment-interface item-interface axis-group-interface)))))
200 (X-offset-callbacks . (,Break_align_interface::alignment_callback))
201 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
202 (meta . ((interfaces . (break-aligned-interface item-interface axis-group-interface item-interface ))))
207 (break-align-symbol . breathing-sign)
210 (ambitus . (extra-space . 2.0))
211 (custos . (minimum-space . 1.0))
212 (key-signature . (minimum-space . 1.5))
213 (staff-bar . (minimum-space . 1.5))
214 (clef . (minimum-space . 2.0))
215 (first-note . (fixed-space . 1.0)) ;huh?
216 (right-edge . (extra-space . 0.1))
218 (print-function . ,Text_item::print)
219 (text . ,(make-musicglyph-markup "scripts-rcomma"))
220 (Y-offset-callbacks . (,Breathing_sign::offset_callback))
221 (break-visibility . ,begin-of-line-invisible)
222 (meta . ((interfaces . (break-aligned-interface breathing-sign-interface text-interface font-interface item-interface ))))
227 (print-function . ,Clef::print)
228 (before-line-breaking-callback . ,Clef::before_line_breaking)
230 (font-family . music)
231 (break-align-symbol . clef)
232 (break-visibility . ,begin-of-line-visible)
233 (space-alist . ((ambitus . (extra-space . 2.0))
234 (staff-bar . (extra-space . 0.7))
235 (key-signature . (minimum-space . 4.0))
236 (time-signature . (minimum-space . 4.2))
237 (first-note . (minimum-fixed-space . 5.0))
238 (next-note . (extra-space . 0.5))
239 (right-edge . (extra-space . 0.5))
241 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
242 (meta . ((interfaces . (clef-interface staff-symbol-referencer-interface font-interface break-aligned-interface item-interface ))))
245 (ClusterSpannerBeacon
247 (print-function . #f)
248 (meta . ((interfaces . (cluster-beacon-interface item-interface))))
253 (print-function . ,Cluster::print)
254 (spacing-procedure . ,Spanner::set_spacing_rods)
255 (minimum-length . 0.0)
258 (meta . ((interfaces . (cluster-interface spanner-interface))))
263 (print-function . ,Text_item::print)
264 (after-line-breaking-callback . ,Chord_name::after_line_breaking)
268 (meta . ((interfaces . (font-interface rhythmic-grob-interface
269 text-interface chord-name-interface item-interface ))))
274 (break-align-symbol . custos)
276 (print-function . ,Custos::print)
277 (break-visibility . ,end-of-line-visible)
279 (neutral-direction . -1)
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 (print-function . ,Dots::print)
305 (meta . ((interfaces . (font-interface staff-symbol-referencer-interface dots-interface item-interface ))))
308 (DoublePercentRepeat .
310 (print-function . ,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 (print-function . ,Text_item::print)
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))
344 (staff-padding . 0.1)
346 (minimum-space . 1.2)
348 (meta . ((interfaces . (dynamic-interface axis-group-interface side-position-interface spanner-interface))))
353 (break-align-symbol . left-edge)
357 (custos . (extra-space . 0.0))
358 (ambitus . (extra-space . 2.0))
359 (time-signature . (extra-space . 0.0))
360 (staff-bar . (extra-space . 0.0))
361 (breathing-sign . (minimum-space . 0.0))
362 (clef . (extra-space . 0.85))
363 (first-note . (fixed-space . 1.0))
364 (right-edge . (extra-space . 0.0))
365 (key-signature . (extra-space . 0.0))
367 (meta . ((interfaces . (break-aligned-interface item-interface ))))
372 (print-function . ,Text_item::print)
374 (staff-padding . 0.6)
375 (self-alignment-X . 0)
376 (self-alignment-Y . 0)
377 (script-priority . 100)
378 (font-family . number)
379 (font-size . -5) ; don't overlap when next to heads.
380 (font-shape . upright)
381 (meta . ((interfaces . (finger-interface font-interface text-script-interface text-interface side-position-interface self-alignment-interface item-interface ))))
385 (RemoveEmptyVerticalGroup
387 (Y-offset-callbacks . (,Hara_kiri_group_spanner::force_hara_kiri_callback))
388 (Y-extent-callback . ,Hara_kiri_group_spanner::y_extent)
391 (meta . ((interfaces . (axis-group-interface hara-kiri-group-interface item-interface spanner-interface))))
396 (print-function . ,Hairpin::print)
399 (spacing-procedure . ,Spanner::set_spacing_rods)
400 (minimum-length . 2.0)
401 (if-text-padding . 1.0)
402 (self-alignment-Y . 0)
403 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
404 (meta . ((interfaces . (hairpin-interface line-interface self-alignment-interface dynamic-interface spanner-interface))))
410 (print-function . ,Horizontal_bracket::print)
411 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
414 (meta . ((interfaces . (horizontal-bracket-interface side-position-interface spanner-interface))))
419 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self
420 ,Side_position_interface::aligned_on_support_refpoints))
421 ;; This direction is for aligned_on_support_refpoints
425 (left-edge . (extra-space . 1.0))
428 (self-alignment-Y . 0)
429 (print-function . ,Text_item::print)
430 (break-align-symbol . instrument-name)
431 (break-visibility . ,begin-of-line-visible)
433 (font-family . roman)
434 (meta . ((interfaces . (font-interface self-alignment-interface side-position-interface text-interface break-aligned-interface item-interface ))))
440 (Y-offset-callbacks . (,Side_position_interface::aligned_on_support_refpoints))
442 (space-alist . ((left-edge . (extra-space . 1.0))
444 (print-function . ,Text_item::print)
445 (break-align-symbol . clef)
446 (break-visibility . ,begin-of-line-visible)
448 (font-family . roman)
449 (meta . ((interfaces . (font-interface
450 self-alignment-interface
451 side-position-interface text-interface
452 break-aligned-interface item-interface ))))
457 (print-function . ,Key_signature_interface::print)
459 (time-signature . (extra-space . 1.25))
460 (staff-bar . (extra-space . 1.1))
461 (right-edge . (extra-space . 0.5))
462 (first-note . (fixed-space . 2.5))
464 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
465 (break-align-symbol . key-signature)
466 (break-visibility . ,begin-of-line-visible)
468 (meta . ((interfaces . (key-signature-interface font-interface break-aligned-interface item-interface ))))
473 (ligature-primitive-callback . ,Note_head::print)
478 (edge-height . (0.7 . 0.7))
479 (shorten-pair . (-0.2 . -0.2))
480 (before-line-breaking-callback . ,Tuplet_bracket::before_line_breaking)
481 (after-line-breaking-callback . ,Tuplet_bracket::after_line_breaking)
482 (print-function . ,Tuplet_bracket::print)
483 (meta . ((interfaces . (tuplet-bracket-interface spanner-interface))))
492 (spacing-procedure . ,Hyphen_spanner::set_spacing_rods)
493 (print-function . ,Hyphen_spanner::print)
495 (meta . ((interfaces . (lyric-interface lyric-hyphen-interface
496 spanner-interface))))
501 (print-function . ,Lyric_extender::print)
502 (thickness . 0.8) ; linethickness
503 (minimum-length . 1.5)
505 (meta . ((interfaces . (lyric-interface
506 lyric-extender-interface spanner-interface))))
510 . ((print-function . ,Text_item::print)
511 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_parent))
512 (self-alignment-X . 0)
514 (font-family . roman)
515 (font-series . bold-narrow)
516 (font-shape . upright)
518 (meta . ((interfaces . (rhythmic-grob-interface lyric-syllable-interface self-alignment-interface text-interface font-interface item-interface ))))
525 (ligature-primitive-callback . ,Mensural_ligature::brew_ligature_primitive)
526 (print-function . ,Mensural_ligature::print)
527 (meta . ((interfaces . (mensural-ligature-interface font-interface))))
532 (print-function . ,Text_item::print)
533 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
534 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
535 (after-line-breaking-callback . ,shift-right-at-line-begin)
536 (self-alignment-X . 0)
540 (font-family . roman)
542 (break-visibility . ,end-of-line-invisible)
544 (meta . ((interfaces . (text-interface side-position-interface font-interface mark-interface self-alignment-interface item-interface ))))
548 (print-function . ,Text_item::print)
549 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
552 (font-family . roman)
553 (break-visibility . ,end-of-line-invisible)
555 (meta . ((interfaces . (text-interface side-position-interface font-interface metronome-mark-interface item-interface))))
559 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
560 (print-function . ,Measure_grouping::print)
566 (meta . ((interfaces . (spanner-interface side-position-interface measure-grouping-interface))))
570 (spacing-procedure . ,Multi_measure_rest::set_spacing_rods)
571 (print-function . ,Multi_measure_rest::print)
572 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
575 (thick-thickness . 6.6)
576 (hair-thickness . 2.0)
578 (meta . ((interfaces . (multi-measure-rest-interface multi-measure-interface rest-interface font-interface staff-symbol-referencer-interface))))
581 (MultiMeasureRestNumber
583 (print-function . ,Text_item::print)
584 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self
585 ,Self_alignment_interface::centered_on_other_axis_parent))
586 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
587 (self-alignment-X . 0)
590 (staff-padding . 1.3)
591 (font-family . number)
592 (meta . ((interfaces . (side-position-interface multi-measure-interface self-alignment-interface font-interface spanner-interface text-interface))))
594 (MultiMeasureRestText
596 (print-function . ,Text_item::print)
597 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self
598 ,Self_alignment_interface::centered_on_other_axis_parent))
599 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
600 (self-alignment-X . 0)
603 (staff-padding . 1.5)
604 (font-family . roman)
605 (meta . ((interfaces . (side-position-interface multi-measure-interface self-alignment-interface font-interface spanner-interface text-interface))))
610 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
611 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
612 (meta . ((interfaces . (note-collision-interface axis-group-interface item-interface ))))
618 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
619 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
620 (meta . ((interfaces . (axis-group-interface note-column-interface item-interface ))))
626 (print-function . ,Note_head::print)
627 (ligature-primitive-callback . ,Note_head::print)
628 (glyph-name-procedure . ,find-notehead-symbol)
629 (X-extent-callback . ,Note_head::extent)
630 (Y-extent-callback . ,Note_head::extent)
631 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
632 (stem-attachment-function . ,note-head-style->attachment-coordinates)
633 (meta . ((interfaces . (rhythmic-grob-interface rhythmic-head-interface font-interface note-head-interface staff-symbol-referencer-interface item-interface ))))
640 (zigzag-width . 0.75)
642 (X-extent-callback . #f)
643 (Y-extent-callback . #f)
644 (after-line-breaking-callback . ,Line_spanner::after_line_breaking)
645 (print-function . ,Line_spanner::print)
646 (meta . ((interfaces . (line-spanner-interface spanner-interface))))
654 (X-extent-callback . #f)
655 (Y-extent-callback . #f)
656 (print-function . ,Line_spanner::print)
657 (after-line-breaking-callback . ,Line_spanner::after_line_breaking)
658 (meta . ((interfaces . (line-spanner-interface spanner-interface))))
663 (print-function . ,Text_item::print)
664 (font-family . roman)
665 (meta . ((interfaces . (note-name-interface
666 text-interface font-interface item-interface ))))
671 (self-alignment-X . 0)
672 (break-visibility . ,begin-of-line-visible)
673 (X-offset-callbacks . (,Self_alignment_interface::centered_on_parent ,Self_alignment_interface::aligned_on_self))
674 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
675 (print-function . ,Text_item::print)
676 (font-shape . italic)
678 (staff-padding . 0.2)
680 (font-family . roman)
681 (meta . ((interfaces . (text-interface self-alignment-interface side-position-interface font-interface item-interface ))))
687 (before-line-breaking-callback . ,Paper_column::before_line_breaking)
688 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
690 ; (print-function . ,Paper_column::print) (font-name . "cmr8") (Y-extent-callback . #f)
691 (meta . ((interfaces . (paper-column-interface axis-group-interface spaceable-grob-interface item-interface ))))
696 (print-function . ,Slur::print)
698 (spacing-procedure . ,Spanner::set_spacing_rods)
699 (minimum-length . 1.5)
700 (after-line-breaking-callback . ,Slur::after_line_breaking)
701 (extremity-function . ,calc-slur-extremity)
702 (extremity-offset-alist . ,default-phrasing-slur-extremity-offset-alist)
703 (de-uglify-parameters . (1.5 0.8 -2.0))
704 (Y-extent-callback . ,Slur::height)
709 (attachment . (#f . #f))
710 (attachment-offset . ((0 . 0) . (0 . 0)))
712 (details . ((force-blowfit . 0.5)
713 (bezier-pct-c0 . -0.2) (bezier-pct-c3 . 0.000006)
714 (bezier-pct-out-max . 0.8) (bezier-pct-in-max . 1.2)
715 (bezier-area-steps . 1.0)))
716 (meta . ((interfaces . (slur-interface spanner-interface))))
719 (NonMusicalPaperColumn
722 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
723 (before-line-breaking-callback . ,Paper_column::before_line_breaking)
725 ;; debugging stuff: print column number.
726 ; (print-function . ,Paper_column::print) (font-name . "cmr8") (Y-extent-callback . #f)
729 (meta . ((interfaces . (paper-column-interface axis-group-interface spaceable-grob-interface item-interface ))))
734 (spacing-procedure . ,Multi_measure_rest::set_spacing_rods)
735 (print-function . ,Multi_measure_rest::percent)
738 (font-family . music)
739 (meta . ((interfaces . (multi-measure-rest-interface spanner-interface font-interface percent-repeat-interface))))
742 (PianoPedalBracket ;; an example of a text spanner
744 (print-function . ,Piano_pedal_bracket::print)
745 (font-family . roman)
747 (if-text-padding . 1.0)
749 (bracket-flare . (0.5 . 0.5))
750 (edge-height . (1.0 . 1.0))
751 (shorten-pair . (0.0 . 0.0))
753 (meta . ((interfaces . (line-interface piano-pedal-interface piano-pedal-bracket-interface spanner-interface))))
758 (print-function . ,Percent_repeat_item_interface::beat_slash)
761 (meta . ((interfaces . (percent-repeat-interface item-interface ))))
765 (after-line-breaking-callback . ,Rest::after_line_breaking)
766 (X-extent-callback . ,Rest::extent_callback)
767 (Y-extent-callback . ,Rest::extent_callback)
768 (print-function . ,Rest::print)
769 (Y-offset-callbacks . (,Staff_symbol_referencer::callback
770 ,Rest::polyphonic_offset_callback
772 (minimum-distance . 0.25)
774 (interfaces . (font-interface
775 rhythmic-head-interface
776 rhythmic-grob-interface
777 staff-symbol-referencer-interface
778 rest-interface item-interface ))
783 (minimum-distance . 0.75)
784 (meta . ((interfaces . (rest-collision-interface item-interface ))))
789 ;; don't set direction here: it breaks staccato.
790 (print-function . ,Script_interface::print)
792 ;; This value is sensitive: if too large, staccato dots will move a
795 (staff-padding . 0.25)
796 ;; (script-priority . 0) priorities for scripts, see script.scm
797 (X-offset-callbacks . (,Self_alignment_interface::centered_on_parent))
798 (before-line-breaking-callback . ,Script_interface::before_line_breaking)
799 (font-family . music)
800 (meta . ((interfaces . (script-interface side-position-interface font-interface item-interface ))))
805 (before-line-breaking-callback . ,Script_column::before_line_breaking)
806 (meta . ((interfaces . (script-column-interface item-interface ))))
811 (print-function . ,Slur::print)
813 (spacing-procedure . ,Spanner::set_spacing_rods)
814 (minimum-length . 1.5)
815 (after-line-breaking-callback . ,Slur::after_line_breaking)
816 (extremity-function . ,calc-slur-extremity)
817 (extremity-offset-alist . ,default-slur-extremity-offset-alist)
818 (de-uglify-parameters . (1.5 0.8 -2.0))
819 (Y-extent-callback . ,Slur::height)
824 (attachment . (#f . #f))
825 (attachment-offset . ((0 . 0) . (0 . 0)))
827 (details . ((force-blowfit . 0.5)
828 (bezier-pct-c0 . -0.2) (bezier-pct-c3 . 0.000006)
829 (bezier-pct-out-max . 0.8) (bezier-pct-in-max . 1.2)
830 (bezier-area-steps . 1.0)))
831 (meta . ((interfaces . (slur-interface spanner-interface))))
836 (spacing-procedure . ,Spacing_spanner::set_springs)
837 (grace-space-factor . 0.6)
838 (shortest-duration-space . 2.0)
839 (spacing-increment . 1.2)
840 (base-shortest-duration . ,(ly:make-moment 1 8))
841 (meta . ((interfaces . (spacing-interface spacing-spanner-interface spanner-interface))))
846 (break-align-symbol . staff-bar)
847 (bar-size-procedure . ,Span_bar::get_bar_size)
848 (print-function . ,Span_bar::print)
849 (break-visibility . ,begin-of-line-invisible)
850 (X-extent-callback . ,Span_bar::width_callback)
851 (Y-extent-callback . ())
853 (before-line-breaking-callback . ,Span_bar::before_line_breaking)
857 ;; Ross. page 151 lists other values, we opt for a leaner look
861 (hair-thickness . 1.6)
862 (thick-thickness . 6.0)
863 (meta . ((interfaces . (span-bar-interface font-interface
864 bar-line-interface item-interface ))))
868 . ((print-function . ,Text_item::print)
869 (font-family . roman)
872 (X-offset-callbacks . (,Side_position_interface::aligned_side))
874 (meta . ((interfaces . (side-position-interface stanza-number-interface text-interface font-interface item-interface ))))
880 (stem-spacing-correction . 0.4)
882 (meta . ((interfaces . (spacing-interface staff-spacing-interface item-interface ))))
886 (stem-spacing-correction . 0.5)
888 ;; Changed this from 0.75.
889 ;; If you ever change this back, please document! --hwn
890 (knee-spacing-correction . 1.0)
892 (meta . ((interfaces . (spacing-interface note-spacing-interface item-interface ))))
897 (print-function . ,Text_item::print)
899 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
900 (no-spacing-rods . #t)
901 (padding . 0.0) ;; padding relative to SostenutoPedalLineSpanner
902 (font-family . roman)
903 (font-shape . italic)
904 (self-alignment-X . 0)
905 (meta . ((interfaces . (text-interface self-alignment-interface font-interface item-interface))))
908 (SostenutoPedalLineSpanner
911 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
912 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
916 (minimum-space . 1.0)
918 (meta . ((interfaces . (piano-pedal-interface axis-group-interface side-position-interface spanner-interface))))
923 (print-function . ,Staff_symbol::print)
925 (ledger-line-thickness . (1.0 . 0.1))
927 (meta . ((interfaces . (staff-symbol-interface spanner-interface))))
933 ;; this list is rather long. Trim --hwn
934 (before-line-breaking-callback . ,Stem::before_line_breaking)
935 (print-function . ,Stem::print)
938 ;; 3.5 (or 3 measured from note head) is standar length
939 ;; 32nd, 64th flagged stems should be longer
940 (lengths . (3.5 3.5 3.5 4.5 5.0))
942 ;; Stems in unnatural (forced) direction should be shortened by
943 ;; one staff space, according to [Roush & Gourlay].
944 ;; Flagged stems we shorten only half a staff space.
945 (stem-shorten . (1.0 0.5))
947 ;; default stem direction for note on middle line
948 (neutral-direction . -1)
952 ;; FIXME. 3.5 yields too long beams (according to Ross and
953 ;; looking at Baerenreiter examples) for a number of common
954 ;; boundary cases. Subtracting half a beam thickness fixes
955 ;; this, but the bug may well be somewhere else.
957 ;; FIXME this should come from 'lengths
959 ; (beamed-lengths . (3.26 3.26 1.5))
960 (beamed-lengths . (3.5 3.5 3.5 4.5 5.0))
962 ;; We use the normal minima as minimum for the ideal lengths,
963 ;; and the extreme minima as abolute minimum length.
965 ;; The 'normal' minima
966 (beamed-minimum-free-lengths . (1.83 1.5 1.25))
968 ;; The 'extreme case' minima
969 (beamed-extreme-minimum-free-lengths . (2.0 1.25))
971 (X-offset-callbacks . (,Stem::off_callback))
972 (X-extent-callback . ,Stem::dim_callback)
973 (Y-extent-callback . ,Stem::height)
974 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
975 (font-family . music)
976 (meta . ((interfaces . (stem-interface font-interface item-interface ))))
981 (print-function . ,Stem_tremolo::print)
982 (Y-extent-callback . ,Stem_tremolo::height)
983 (X-extent-callback . #f)
985 (beam-width . 1.6) ; staff-space
986 (beam-thickness . 0.48) ; staff-space
987 (meta . ((interfaces . (stem-tremolo-interface item-interface ))))
992 (X-extent-callback . #f)
993 (Y-extent-callback . #f)
994 (meta . ((interfaces . (spacing-interface separation-item-interface item-interface ))))
997 (SeparatingGroupSpanner
999 (spacing-procedure . ,Separating_group_spanner::set_spacing_rods)
1000 (meta . ((interfaces . (only-prebreak-interface spacing-interface separation-spanner-interface spanner-interface))))
1005 (no-spacing-rods . #t)
1006 (print-function . ,Sustain_pedal::print)
1007 (self-alignment-X . 0)
1009 (padding . 0.0) ;; padding relative to SustainPedalLineSpanner
1010 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
1011 (meta . ((interfaces . (piano-pedal-interface text-spanner-interface text-interface self-alignment-interface font-interface item-interface))))
1014 (SustainPedalLineSpanner
1017 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1018 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1021 (staff-padding . 1.2)
1022 (minimum-space . 1.0)
1024 (meta . ((interfaces . (piano-pedal-interface axis-group-interface side-position-interface spanner-interface))))
1030 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
1031 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1032 (meta . ((interfaces . (system-interface axis-group-interface spanner-interface))))
1038 (print-function . ,System_start_delimiter::print)
1039 (collapse-height . 5.0)
1040 (font-family . braces)
1041 (Y-extent-callback . #f)
1042 (meta . ((interfaces . (system-start-delimiter-interface font-interface))))
1047 (Y-extent-callback . #f)
1048 (print-function . ,System_start_delimiter::print)
1054 (collapse-height . 1)
1056 (meta . ((interfaces . (system-start-delimiter-interface spanner-interface))))
1061 (Y-extent-callback . #f)
1062 (print-function . ,System_start_delimiter::print)
1063 (glyph . "bar-line")
1065 (after-line-breaking-callback . ,System_start_delimiter::after_line_breaking)
1066 (meta . ((interfaces . (system-start-delimiter-interface spanner-interface))))
1071 (print-function . ,Text_item::print)
1072 (no-spacing-rods . #t)
1073 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
1076 (staff-padding . 0.5)
1077 (script-priority . 200)
1078 ;; todo: add X self alignment?
1080 (font-family . roman)
1081 (meta . ((interfaces . (text-script-interface text-interface side-position-interface font-interface item-interface ))))
1085 (print-function . ,Text_item::print)
1086 (no-spacing-rods . #t)
1087 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1088 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
1090 (extra-offset . (-1 . 0))
1092 (staff-padding . 0.5)
1093 (script-priority . 200)
1094 ;; todo: add X self alignment?
1096 (font-family . roman)
1097 (font-series . bold)
1098 (meta . ((interfaces . (text-script-interface text-interface side-position-interface font-interface item-interface ))))
1102 (print-function . ,Text_spanner::print)
1103 (font-family . roman)
1104 (font-shape . italic)
1105 (style . dashed-line)
1106 (staff-padding . 0.1)
1108 ;; urg, only for (de)cresc. text spanners
1109 (if-text-padding . 1.0)
1110 (dash-fraction . 0.2)
1113 (meta . ((interfaces . (text-spanner-interface side-position-interface font-interface spanner-interface))))
1118 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1119 (print-function . ,Ottava_bracket::print)
1120 (font-shape . italic)
1121 (font-family . roman)
1122 (shorten-pair . (0.0 . -0.6))
1123 (staff-padding . 1.0)
1125 (minimum-length . 1.0)
1126 (dash-fraction . 0.3)
1127 (edge-height . (0 . 1.2))
1129 (meta . ((interfaces . (ottava-bracket-interface
1130 line-interface side-position-interface
1131 font-interface text-interface spanner-interface))))
1136 (font-family . roman)
1138 (print-function . ,Text_item::print)
1139 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
1140 (extra-offset . (0 . -0.65)) ;; UGH! TODO: Clean this up!
1141 (stem-attachment-function . ,tablature-stem-attachment-function)
1142 (meta . ((interfaces
1143 . (rhythmic-head-interface
1145 note-head-interface staff-symbol-referencer-interface
1146 text-interface item-interface ))))
1152 (print-function . ,Tie::print)
1153 (spacing-procedure . ,Spanner::set_spacing_rods)
1154 (staffline-clearance . 0.35)
1155 (details . ((ratio . 0.333) (height-limit . 1.0)))
1159 (minimum-length . 2.5)
1160 (meta . ((interfaces . (tie-interface spanner-interface))))
1165 (after-line-breaking-callback . ,Tie_column::after_line_breaking)
1166 (X-extent-callback . #f)
1167 (Y-extent-callback . #f)
1168 (meta . ((interfaces . (tie-column-interface spanner-interface))))
1173 (print-function . ,Time_signature::print)
1174 ; (print-function . ,Text_item::print)
1175 (break-align-symbol . time-signature)
1176 (break-visibility . ,all-visible)
1178 (first-note . (fixed-space . 2.0))
1179 (right-edge . (extra-space . 0.5))
1180 (staff-bar . (minimum-space . 2.0))
1184 ; (text . (,time-signature-glue-markup))
1185 (font-family . number)
1186 (meta . ((interfaces . (time-signature-interface break-aligned-interface font-interface item-interface ))))
1194 (edge-height . (0.7 . 0.7))
1195 (shorten-pair . (-0.2 . -0.2))
1196 (before-line-breaking-callback . ,Tuplet_bracket::before_line_breaking)
1197 (after-line-breaking-callback . ,Tuplet_bracket::after_line_breaking)
1198 (print-function . ,Tuplet_bracket::print)
1199 (font-family . roman)
1200 (font-shape . italic)
1201 (font-series . bold)
1204 (meta . ((interfaces . (text-interface line-interface tuplet-bracket-interface font-interface spanner-interface))))
1209 (print-function . ,Text_item::print)
1210 (font-family . roman)
1211 (font-shape . italic)
1212 (no-spacing-rods . #t)
1213 (self-alignment-X . 0)
1215 (padding . 0.0) ;; padding relative to UnaCordaPedalLineSpanner
1216 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
1217 (meta . ((interfaces . (text-interface self-alignment-interface font-interface item-interface ))))
1220 (UnaCordaPedalLineSpanner
1223 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1224 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1226 (staff-padding . 1.2)
1227 (minimum-space . 1.0)
1229 (meta . ((interfaces . (piano-pedal-interface axis-group-interface side-position-interface spanner-interface))))
1236 (ligature-primitive-callback . ,Vaticana_ligature::brew_ligature_primitive)
1237 (print-function . ,Vaticana_ligature::print)
1238 (meta . ((interfaces . (vaticana-ligature-interface font-interface))))
1243 (print-function . ,Volta_bracket_interface::print)
1246 (font-family . number)
1247 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1248 (thickness . 1.6) ; linethickness
1249 (height . 2.0) ; staffspace;
1251 (font-family . number)
1253 (meta . ((interfaces . (volta-bracket-interface line-interface text-interface side-position-interface font-interface spanner-interface))))
1259 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1260 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
1262 (meta . ((interfaces . (align-interface axis-group-interface spanner-interface))))
1268 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1269 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
1271 (meta . ((interfaces . (axis-group-interface spanner-interface))))
1279 (define (completize-grob-entry x)
1280 "transplant assoc key into 'name entry of 'meta of X
1282 (let* ((name-sym (car x))
1283 (grob-entry (cdr x))
1284 (metaentry (cdr (assoc 'meta grob-entry)))
1286 (cdr (assoc 'interfaces metaentry)))
1289 (set! metaentry (assoc-set! metaentry 'name name-sym))
1290 (set! metaentry (assoc-set! metaentry 'interfaces
1291 (cons 'grob-interface ifaces-entry)))
1292 (set! grob-entry (assoc-set! grob-entry 'meta metaentry))
1293 (cons name-sym grob-entry)))
1295 (set! all-grob-descriptions (map completize-grob-entry all-grob-descriptions))
1299 ; (display (map pair? all-grob-descriptions))
1302 ;; make sure that \property Foo.Bar =\turnOff doesn't complain
1305 ; (display (car x)) (newline)
1307 (set-object-property! (car x) 'translation-type? list?)
1308 (set-object-property! (car x) 'is-grob? #t))
1309 all-grob-descriptions)
1312 (set! all-grob-descriptions (sort all-grob-descriptions alist<?))