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-encoding . 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-encoding . 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-encoding . 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 ))))
388 (zigzag-width . 0.75)
390 (X-extent-callback . #f)
391 (Y-extent-callback . #f)
392 (after-line-breaking-callback . ,Line_spanner::after_line_breaking)
393 (print-function . ,Line_spanner::print)
394 (meta . ((interfaces . (line-spanner-interface spanner-interface))))
399 (print-function . ,Hairpin::print)
402 (spacing-procedure . ,Spanner::set_spacing_rods)
403 (minimum-length . 2.0)
404 (if-text-padding . 1.0)
405 (self-alignment-Y . 0)
406 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
407 (meta . ((interfaces . (hairpin-interface line-interface self-alignment-interface dynamic-interface spanner-interface))))
413 (print-function . ,Horizontal_bracket::print)
414 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
417 (meta . ((interfaces . (horizontal-bracket-interface side-position-interface spanner-interface))))
422 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self
423 ,Side_position_interface::aligned_on_support_refpoints))
424 ;; This direction is for aligned_on_support_refpoints
428 (left-edge . (extra-space . 1.0))
431 (self-alignment-Y . 0)
432 (print-function . ,Text_item::print)
433 (break-align-symbol . instrument-name)
434 (break-visibility . ,begin-of-line-visible)
436 (meta . ((interfaces . (font-interface self-alignment-interface side-position-interface text-interface break-aligned-interface item-interface ))))
442 (Y-offset-callbacks . (,Side_position_interface::aligned_on_support_refpoints))
444 (space-alist . ((left-edge . (extra-space . 1.0))
446 (print-function . ,Text_item::print)
447 (break-align-symbol . clef)
448 (break-visibility . ,begin-of-line-visible)
450 (meta . ((interfaces . (font-interface
451 self-alignment-interface
452 side-position-interface text-interface
453 break-aligned-interface item-interface ))))
458 (print-function . ,Key_signature_interface::print)
460 (time-signature . (extra-space . 1.25))
461 (staff-bar . (extra-space . 1.1))
462 (right-edge . (extra-space . 0.5))
463 (first-note . (fixed-space . 2.5))
465 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
466 (break-align-symbol . key-signature)
467 (break-visibility . ,begin-of-line-visible)
469 (meta . ((interfaces . (key-signature-interface font-interface break-aligned-interface item-interface ))))
474 (ligature-primitive-callback . ,Note_head::print)
479 (edge-height . (0.7 . 0.7))
480 (shorten-pair . (-0.2 . -0.2))
481 (before-line-breaking-callback . ,Tuplet_bracket::before_line_breaking)
482 (after-line-breaking-callback . ,Tuplet_bracket::after_line_breaking)
483 (print-function . ,Tuplet_bracket::print)
484 (meta . ((interfaces . (tuplet-bracket-interface spanner-interface))))
493 (spacing-procedure . ,Hyphen_spanner::set_spacing_rods)
494 (print-function . ,Hyphen_spanner::print)
496 (meta . ((interfaces . (lyric-interface lyric-hyphen-interface
497 spanner-interface))))
502 (print-function . ,Lyric_extender::print)
503 (thickness . 0.8) ; linethickness
504 (minimum-length . 1.5)
506 (meta . ((interfaces . (lyric-interface
507 lyric-extender-interface spanner-interface))))
511 . ((print-function . ,Text_item::print)
512 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_parent))
513 (self-alignment-X . 0)
515 (font-series . bold-narrow)
517 (meta . ((interfaces . (rhythmic-grob-interface lyric-syllable-interface self-alignment-interface text-interface font-interface item-interface ))))
524 (ligature-primitive-callback . ,Mensural_ligature::brew_ligature_primitive)
525 (print-function . ,Mensural_ligature::print)
526 (meta . ((interfaces . (mensural-ligature-interface font-interface))))
531 (print-function . ,Text_item::print)
532 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
533 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
534 (after-line-breaking-callback . ,shift-right-at-line-begin)
535 (self-alignment-X . 0)
540 (break-visibility . ,end-of-line-invisible)
542 (meta . ((interfaces . (text-interface side-position-interface font-interface mark-interface self-alignment-interface item-interface ))))
546 (print-function . ,Text_item::print)
547 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
550 (break-visibility . ,end-of-line-invisible)
552 (meta . ((interfaces . (text-interface side-position-interface font-interface metronome-mark-interface item-interface))))
556 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
557 (print-function . ,Measure_grouping::print)
563 (meta . ((interfaces . (spanner-interface side-position-interface measure-grouping-interface))))
567 (spacing-procedure . ,Multi_measure_rest::set_spacing_rods)
568 (print-function . ,Multi_measure_rest::print)
569 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
572 (thick-thickness . 6.6)
573 (hair-thickness . 2.0)
575 (font-encoding . music)
576 (meta . ((interfaces . (multi-measure-rest-interface multi-measure-interface rest-interface font-interface staff-symbol-referencer-interface))))
579 (MultiMeasureRestNumber
581 (print-function . ,Text_item::print)
582 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self
583 ,Self_alignment_interface::centered_on_other_axis_parent))
584 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
585 (self-alignment-X . 0)
588 (staff-padding . 1.3)
589 (font-encoding . number)
590 (meta . ((interfaces . (side-position-interface multi-measure-interface self-alignment-interface font-interface spanner-interface text-interface))))
592 (MultiMeasureRestText
594 (print-function . ,Text_item::print)
595 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self
596 ,Self_alignment_interface::centered_on_other_axis_parent))
597 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
598 (self-alignment-X . 0)
601 (staff-padding . 1.5)
602 (meta . ((interfaces . (side-position-interface multi-measure-interface self-alignment-interface font-interface spanner-interface text-interface))))
607 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
608 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
609 (meta . ((interfaces . (note-collision-interface axis-group-interface item-interface ))))
615 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
616 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
617 (meta . ((interfaces . (axis-group-interface note-column-interface item-interface ))))
623 (print-function . ,Note_head::print)
624 (ligature-primitive-callback . ,Note_head::print)
625 (glyph-name-procedure . ,find-notehead-symbol)
626 (X-extent-callback . ,Note_head::extent)
627 (Y-extent-callback . ,Note_head::extent)
628 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
629 (stem-attachment-function . ,note-head-style->attachment-coordinates)
630 (meta . ((interfaces . (rhythmic-grob-interface rhythmic-head-interface font-interface note-head-interface staff-symbol-referencer-interface item-interface ))))
635 (stem-spacing-correction . 0.5)
637 ;; Changed this from 0.75.
638 ;; If you ever change this back, please document! --hwn
639 (knee-spacing-correction . 1.0)
641 (meta . ((interfaces . (spacing-interface note-spacing-interface item-interface ))))
649 (X-extent-callback . #f)
650 (Y-extent-callback . #f)
651 (print-function . ,Line_spanner::print)
652 (after-line-breaking-callback . ,Line_spanner::after_line_breaking)
653 (meta . ((interfaces . (line-spanner-interface spanner-interface))))
658 (print-function . ,Text_item::print)
659 (meta . ((interfaces . (note-name-interface
660 text-interface font-interface item-interface ))))
665 (self-alignment-X . 0)
666 (break-visibility . ,begin-of-line-visible)
667 (X-offset-callbacks . (,Self_alignment_interface::centered_on_parent ,Self_alignment_interface::aligned_on_self))
668 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
669 (print-function . ,Text_item::print)
670 (font-shape . italic)
672 (staff-padding . 0.2)
674 (meta . ((interfaces . (text-interface self-alignment-interface side-position-interface font-interface item-interface ))))
680 (before-line-breaking-callback . ,Paper_column::before_line_breaking)
681 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
683 ; (print-function . ,Paper_column::print) (font-name . "cmr8") (Y-extent-callback . #f)
684 (meta . ((interfaces . (paper-column-interface axis-group-interface spaceable-grob-interface item-interface ))))
689 (print-function . ,Slur::print)
691 (spacing-procedure . ,Spanner::set_spacing_rods)
692 (minimum-length . 1.5)
693 (after-line-breaking-callback . ,Slur::after_line_breaking)
694 (extremity-function . ,calc-slur-extremity)
695 (extremity-offset-alist . ,default-phrasing-slur-extremity-offset-alist)
696 (de-uglify-parameters . (1.5 0.8 -2.0))
697 (Y-extent-callback . ,Slur::height)
702 (attachment . (#f . #f))
703 (attachment-offset . ((0 . 0) . (0 . 0)))
705 (details . ((force-blowfit . 0.5)
706 (bezier-pct-c0 . -0.2) (bezier-pct-c3 . 0.000006)
707 (bezier-pct-out-max . 0.8) (bezier-pct-in-max . 1.2)
708 (bezier-area-steps . 1.0)))
709 (meta . ((interfaces . (slur-interface spanner-interface))))
712 (NonMusicalPaperColumn
715 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
716 (before-line-breaking-callback . ,Paper_column::before_line_breaking)
718 ;; debugging stuff: print column number.
719 ; (print-function . ,Paper_column::print) (font-name . "cmr8") (Y-extent-callback . #f)
722 (meta . ((interfaces . (paper-column-interface axis-group-interface spaceable-grob-interface item-interface ))))
727 (spacing-procedure . ,Multi_measure_rest::set_spacing_rods)
728 (print-function . ,Multi_measure_rest::percent)
731 (font-encoding . music)
732 (meta . ((interfaces . (multi-measure-rest-interface spanner-interface font-interface percent-repeat-interface))))
735 (PianoPedalBracket ;; an example of a text spanner
737 (print-function . ,Piano_pedal_bracket::print)
739 (if-text-padding . 1.0)
741 (bracket-flare . (0.5 . 0.5))
742 (edge-height . (1.0 . 1.0))
743 (shorten-pair . (0.0 . 0.0))
745 (meta . ((interfaces . (line-interface piano-pedal-interface piano-pedal-bracket-interface spanner-interface))))
749 (RemoveEmptyVerticalGroup
751 (Y-offset-callbacks . (,Hara_kiri_group_spanner::force_hara_kiri_callback))
752 (Y-extent-callback . ,Hara_kiri_group_spanner::y_extent)
755 (meta . ((interfaces . (axis-group-interface hara-kiri-group-interface item-interface spanner-interface))))
760 (print-function . ,Percent_repeat_item_interface::beat_slash)
763 (meta . ((interfaces . (percent-repeat-interface item-interface ))))
767 (after-line-breaking-callback . ,Rest::after_line_breaking)
768 (X-extent-callback . ,Rest::extent_callback)
769 (Y-extent-callback . ,Rest::extent_callback)
770 (print-function . ,Rest::print)
771 (Y-offset-callbacks . (,Staff_symbol_referencer::callback
772 ,Rest::polyphonic_offset_callback
774 (minimum-distance . 0.25)
776 (interfaces . (font-interface
777 rhythmic-head-interface
778 rhythmic-grob-interface
779 staff-symbol-referencer-interface
780 rest-interface item-interface ))
785 (minimum-distance . 0.75)
786 (meta . ((interfaces . (rest-collision-interface item-interface ))))
791 ;; don't set direction here: it breaks staccato.
792 (print-function . ,Script_interface::print)
794 ;; This value is sensitive: if too large, staccato dots will move a
797 (staff-padding . 0.25)
798 ;; (script-priority . 0) priorities for scripts, see script.scm
799 (X-offset-callbacks . (,Self_alignment_interface::centered_on_parent))
800 (before-line-breaking-callback . ,Script_interface::before_line_breaking)
801 (font-encoding . music)
802 (meta . ((interfaces . (script-interface side-position-interface font-interface item-interface ))))
807 (before-line-breaking-callback . ,Script_column::before_line_breaking)
808 (meta . ((interfaces . (script-column-interface item-interface ))))
813 (print-function . ,Slur::print)
815 (spacing-procedure . ,Spanner::set_spacing_rods)
816 (minimum-length . 1.5)
817 (after-line-breaking-callback . ,Slur::after_line_breaking)
818 (extremity-function . ,calc-slur-extremity)
819 (extremity-offset-alist . ,default-slur-extremity-offset-alist)
820 (de-uglify-parameters . (1.5 0.8 -2.0))
821 (Y-extent-callback . ,Slur::height)
826 (attachment . (#f . #f))
827 (attachment-offset . ((0 . 0) . (0 . 0)))
829 (details . ((force-blowfit . 0.5)
830 (bezier-pct-c0 . -0.2) (bezier-pct-c3 . 0.000006)
831 (bezier-pct-out-max . 0.8) (bezier-pct-in-max . 1.2)
832 (bezier-area-steps . 1.0)))
833 (meta . ((interfaces . (slur-interface spanner-interface))))
838 (spacing-procedure . ,Spacing_spanner::set_springs)
839 (grace-space-factor . 0.6)
840 (shortest-duration-space . 2.0)
841 (spacing-increment . 1.2)
842 (base-shortest-duration . ,(ly:make-moment 1 8))
843 (meta . ((interfaces . (spacing-interface spacing-spanner-interface spanner-interface))))
848 (break-align-symbol . staff-bar)
849 (bar-size-procedure . ,Span_bar::get_bar_size)
850 (print-function . ,Span_bar::print)
851 (break-visibility . ,begin-of-line-invisible)
852 (X-extent-callback . ,Span_bar::width_callback)
853 (Y-extent-callback . ())
855 (before-line-breaking-callback . ,Span_bar::before_line_breaking)
859 ;; Ross. page 151 lists other values, we opt for a leaner look
863 (hair-thickness . 1.6)
864 (thick-thickness . 6.0)
865 (meta . ((interfaces . (span-bar-interface font-interface
866 bar-line-interface item-interface ))))
870 . ((print-function . ,Text_item::print)
873 (X-offset-callbacks . (,Side_position_interface::aligned_side))
875 (meta . ((interfaces . (side-position-interface stanza-number-interface text-interface font-interface item-interface ))))
881 (stem-spacing-correction . 0.4)
883 (meta . ((interfaces . (spacing-interface staff-spacing-interface item-interface ))))
888 (print-function . ,Text_item::print)
890 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
891 (no-spacing-rods . #t)
892 (padding . 0.0) ;; padding relative to SostenutoPedalLineSpanner
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))))
913 (print-function . ,Staff_symbol::print)
915 (ledger-line-thickness . (1.0 . 0.1))
917 (meta . ((interfaces . (staff-symbol-interface spanner-interface))))
923 ;; this list is rather long. Trim --hwn
924 (before-line-breaking-callback . ,Stem::before_line_breaking)
925 (print-function . ,Stem::print)
928 ;; 3.5 (or 3 measured from note head) is standar length
929 ;; 32nd, 64th flagged stems should be longer
930 (lengths . (3.5 3.5 3.5 4.5 5.0))
932 ;; Stems in unnatural (forced) direction should be shortened by
933 ;; one staff space, according to [Roush & Gourlay].
934 ;; Flagged stems we shorten only half a staff space.
935 (stem-shorten . (1.0 0.5))
937 ;; default stem direction for note on middle line
938 (neutral-direction . -1)
942 ;; FIXME. 3.5 yields too long beams (according to Ross and
943 ;; looking at Baerenreiter examples) for a number of common
944 ;; boundary cases. Subtracting half a beam thickness fixes
945 ;; this, but the bug may well be somewhere else.
947 ;; FIXME this should come from 'lengths
949 ; (beamed-lengths . (3.26 3.26 1.5))
950 (beamed-lengths . (3.5 3.5 3.5 4.5 5.0))
952 ;; We use the normal minima as minimum for the ideal lengths,
953 ;; and the extreme minima as abolute minimum length.
955 ;; The 'normal' minima
956 (beamed-minimum-free-lengths . (1.83 1.5 1.25))
958 ;; The 'extreme case' minima
959 (beamed-extreme-minimum-free-lengths . (2.0 1.25))
961 (X-offset-callbacks . (,Stem::off_callback))
962 (X-extent-callback . ,Stem::dim_callback)
963 (Y-extent-callback . ,Stem::height)
964 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
965 (meta . ((interfaces . (stem-interface font-interface item-interface ))))
970 (print-function . ,Stem_tremolo::print)
971 (Y-extent-callback . ,Stem_tremolo::height)
972 (X-extent-callback . #f)
974 (beam-width . 1.6) ; staff-space
975 (beam-thickness . 0.48) ; staff-space
976 (meta . ((interfaces . (stem-tremolo-interface item-interface ))))
981 (X-extent-callback . #f)
982 (Y-extent-callback . #f)
983 (meta . ((interfaces . (spacing-interface separation-item-interface item-interface ))))
986 (SeparatingGroupSpanner
988 (spacing-procedure . ,Separating_group_spanner::set_spacing_rods)
989 (meta . ((interfaces . (only-prebreak-interface spacing-interface separation-spanner-interface spanner-interface))))
994 (no-spacing-rods . #t)
995 (print-function . ,Sustain_pedal::print)
996 (self-alignment-X . 0)
998 (padding . 0.0) ;; padding relative to SustainPedalLineSpanner
999 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
1000 (meta . ((interfaces . (piano-pedal-interface text-spanner-interface text-interface self-alignment-interface font-interface item-interface))))
1003 (SustainPedalLineSpanner
1006 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1007 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1010 (staff-padding . 1.2)
1011 (minimum-space . 1.0)
1013 (meta . ((interfaces . (piano-pedal-interface axis-group-interface side-position-interface spanner-interface))))
1019 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
1020 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1021 (meta . ((interfaces . (system-interface axis-group-interface spanner-interface))))
1027 (print-function . ,System_start_delimiter::print)
1028 (collapse-height . 5.0)
1029 (font-encoding . braces)
1030 (Y-extent-callback . #f)
1031 (meta . ((interfaces . (system-start-delimiter-interface font-interface))))
1036 (Y-extent-callback . #f)
1037 (print-function . ,System_start_delimiter::print)
1043 (collapse-height . 1)
1045 (meta . ((interfaces . (system-start-delimiter-interface spanner-interface))))
1050 (Y-extent-callback . #f)
1051 (print-function . ,System_start_delimiter::print)
1052 (glyph . "bar-line")
1054 (after-line-breaking-callback . ,System_start_delimiter::after_line_breaking)
1055 (meta . ((interfaces . (system-start-delimiter-interface spanner-interface))))
1060 (print-function . ,Text_item::print)
1061 (no-spacing-rods . #t)
1062 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
1065 (staff-padding . 0.5)
1066 (script-priority . 200)
1067 ;; todo: add X self alignment?
1068 (meta . ((interfaces . (text-script-interface text-interface side-position-interface font-interface item-interface ))))
1072 (print-function . ,Text_item::print)
1073 (no-spacing-rods . #t)
1074 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1075 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
1077 (extra-offset . (-1 . 0))
1079 (staff-padding . 0.5)
1080 (script-priority . 200)
1081 ;; todo: add X self alignment?
1083 (font-series . bold)
1084 (meta . ((interfaces . (text-script-interface text-interface side-position-interface font-interface item-interface ))))
1088 (print-function . ,Text_spanner::print)
1089 (font-shape . italic)
1090 (style . dashed-line)
1091 (staff-padding . 0.1)
1093 ;; urg, only for (de)cresc. text spanners
1094 (if-text-padding . 1.0)
1095 (dash-fraction . 0.2)
1098 (meta . ((interfaces . (text-spanner-interface side-position-interface font-interface spanner-interface))))
1103 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1104 (print-function . ,Ottava_bracket::print)
1105 (font-shape . italic)
1106 (shorten-pair . (0.0 . -0.6))
1107 (staff-padding . 1.0)
1109 (minimum-length . 1.0)
1110 (dash-fraction . 0.3)
1111 (edge-height . (0 . 1.2))
1113 (meta . ((interfaces . (ottava-bracket-interface
1114 line-interface side-position-interface
1115 font-interface text-interface spanner-interface))))
1121 (print-function . ,Text_item::print)
1122 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
1123 (extra-offset . (0 . -0.65)) ;; UGH! TODO: Clean this up!
1124 (stem-attachment-function . ,tablature-stem-attachment-function)
1125 (meta . ((interfaces
1126 . (rhythmic-head-interface
1128 note-head-interface staff-symbol-referencer-interface
1129 text-interface item-interface ))))
1135 (print-function . ,Tie::print)
1136 (spacing-procedure . ,Spanner::set_spacing_rods)
1137 (staffline-clearance . 0.35)
1138 (details . ((ratio . 0.333) (height-limit . 1.0)))
1142 (minimum-length . 2.5)
1143 (meta . ((interfaces . (tie-interface spanner-interface))))
1148 (after-line-breaking-callback . ,Tie_column::after_line_breaking)
1149 (X-extent-callback . #f)
1150 (Y-extent-callback . #f)
1151 (meta . ((interfaces . (tie-column-interface spanner-interface))))
1156 (print-function . ,Time_signature::print)
1157 ; (print-function . ,Text_item::print)
1158 (break-align-symbol . time-signature)
1159 (break-visibility . ,all-visible)
1161 (first-note . (fixed-space . 2.0))
1162 (right-edge . (extra-space . 0.5))
1163 (staff-bar . (minimum-space . 2.0))
1167 ; (text . (,time-signature-glue-markup))
1168 (meta . ((interfaces . (time-signature-interface break-aligned-interface font-interface item-interface ))))
1176 (edge-height . (0.7 . 0.7))
1177 (shorten-pair . (-0.2 . -0.2))
1178 (before-line-breaking-callback . ,Tuplet_bracket::before_line_breaking)
1179 (after-line-breaking-callback . ,Tuplet_bracket::after_line_breaking)
1180 (print-function . ,Tuplet_bracket::print)
1181 (font-shape . italic)
1182 (font-series . bold)
1185 (meta . ((interfaces . (text-interface line-interface tuplet-bracket-interface font-interface spanner-interface))))
1190 (print-function . ,Text_item::print)
1191 (font-shape . italic)
1192 (no-spacing-rods . #t)
1193 (self-alignment-X . 0)
1195 (padding . 0.0) ;; padding relative to UnaCordaPedalLineSpanner
1196 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
1197 (meta . ((interfaces . (text-interface self-alignment-interface font-interface item-interface ))))
1200 (UnaCordaPedalLineSpanner
1203 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1204 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1206 (staff-padding . 1.2)
1207 (minimum-space . 1.0)
1209 (meta . ((interfaces . (piano-pedal-interface axis-group-interface side-position-interface spanner-interface))))
1216 (ligature-primitive-callback . ,Vaticana_ligature::brew_ligature_primitive)
1217 (print-function . ,Vaticana_ligature::print)
1218 (meta . ((interfaces . (vaticana-ligature-interface font-interface))))
1223 (print-function . ,Volta_bracket_interface::print)
1226 (font-encoding . number)
1227 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1228 (thickness . 1.6) ; linethickness
1229 (height . 2.0) ; staffspace;
1232 (meta . ((interfaces . (volta-bracket-interface line-interface text-interface side-position-interface font-interface spanner-interface))))
1238 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1239 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
1241 (meta . ((interfaces . (align-interface axis-group-interface spanner-interface))))
1247 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1248 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
1250 (meta . ((interfaces . (axis-group-interface spanner-interface))))
1258 (define (completize-grob-entry x)
1259 "transplant assoc key into 'name entry of 'meta of X
1261 (let* ((name-sym (car x))
1262 (grob-entry (cdr x))
1263 (metaentry (cdr (assoc 'meta grob-entry)))
1265 (cdr (assoc 'interfaces metaentry)))
1268 (set! metaentry (assoc-set! metaentry 'name name-sym))
1269 (set! metaentry (assoc-set! metaentry 'interfaces
1270 (cons 'grob-interface ifaces-entry)))
1271 (set! grob-entry (assoc-set! grob-entry 'meta metaentry))
1272 (cons name-sym grob-entry)))
1274 (set! all-grob-descriptions (map completize-grob-entry all-grob-descriptions))
1278 ; (display (map pair? all-grob-descriptions))
1281 ;; make sure that \property Foo.Bar =\turnOff doesn't complain
1284 ; (display (car x)) (newline)
1286 (set-object-property! (car x) 'translation-type? list?)
1287 (set-object-property! (car x) 'is-grob? #t))
1288 all-grob-descriptions)
1291 (set! all-grob-descriptions (sort all-grob-descriptions alist<?))