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))))
58 (print-function . ,Note_head::print)
59 (break-align-symbol . ambitus)
60 (glyph-name-procedure . ,find-notehead-symbol)
61 (X-extent-callback . ,Note_head::extent)
62 (Y-extent-callback . ,Note_head::extent)
63 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
64 (meta . ((interfaces . (font-interface note-head-interface ambitus-interface staff-symbol-referencer-interface item-interface ))))
69 (X-extent-callback . ,Arpeggio::width_callback)
70 (Y-extent-callback . #f)
71 (print-function . ,Arpeggio::print)
72 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
73 (X-offset-callbacks . (,Side_position_interface::aligned_side))
76 (staff-position . 0.0)
77 (meta . ((interfaces . (arpeggio-interface staff-symbol-referencer-interface side-position-interface item-interface font-interface))))
82 (break-align-symbol . staff-bar)
84 (break-glyph-function . ,default-break-barline)
85 (bar-size-procedure . ,Bar_line::get_staff_bar_size)
86 (print-function . ,Bar_line::print)
87 (break-visibility . ,all-visible)
89 (before-line-breaking-callback . ,Bar_line::before_line_breaking)
91 (time-signature . (extra-space . 0.75))
92 (custos . (minimum-space . 2.0))
93 (clef . (minimum-space . 1.0))
94 (key-signature . (extra-space . 1.0))
95 (first-note . (fixed-space . 1.3))
96 (next-note . (semi-fixed-space . 1.3))
97 (right-edge . (extra-space . 0.0))
101 ;; Ross. page 151 lists other values, we opt for a leaner look
105 (hair-thickness . 1.6)
106 (thick-thickness . 6.0)
107 (meta . ((interfaces . (bar-line-interface item-interface break-aligned-interface font-interface))))
113 (print-function . ,Text_item::print)
115 (break-visibility . ,begin-of-line-visible)
118 (font-family . roman)
120 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
121 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
122 (self-alignment-X . 1)
124 ;; hmm. why did we do this: ?
125 (extra-offset . (1.3 . 0))
127 ((interfaces . (side-position-interface
129 self-alignment-interface
130 font-interface item-interface break-aligned-interface))))
136 (print-function . ,Text_item::print)
137 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
139 (font-family . number)
141 ;; We must do this, other BFs in
142 ;; paper16 become too small.
145 (meta . ((interfaces . (text-interface rhythmic-grob-interface
146 bass-figure-interface item-interface
147 self-alignment-interface font-interface))))
151 ;; todo: clean this up a bit: the list is getting
153 (print-function . ,Beam::print)
154 (concaveness-gap . 1.85)
155 (concaveness-threshold . 0.26)
157 (positions . (#f . #f))
158 (position-callbacks . (,Beam::least_squares
161 ,Beam::shift_region_to_valid
165 ;; TODO: should be in SLT.
166 (thickness . 0.48) ; in staff-space
167 (before-line-breaking-callback . ,Beam::before_line_breaking)
168 (after-line-breaking-callback . ,Beam::after_line_breaking)
169 (neutral-direction . -1)
170 (dir-function . ,beam-dir-majority-median)
172 ;; Whe have some unreferenced problems here.
174 ;; If we shorten beamed stems less than normal stems (1 staffspace),
175 ;; or high order less than 8th beams, patterns like
176 ;; c''4 [c''8 c''] c''4 [c''16 c]
177 ;; are ugly (different stem lengths).
179 ;; But if we shorten 16th beams as much as 8th beams, a single
180 ;; forced 16th beam looks *very* short.
182 ;; We choose to shorten 8th beams the same as single stems,
183 ;; and high order beams less than 8th beams, so that all
184 ;; isolated shortened beams look nice and a bit shortened,
185 ;; sadly possibly breaking patterns with high order beams.
186 (beamed-stem-shorten . (1.0 0.5 0.25))
189 (flag-width-function . ,beam-flag-width-function)
191 (auto-knee-gap . 5.5)
193 ;; only for debugging.
194 (font-family . roman)
196 (space-function . ,Beam::space_function)
197 (meta . ((interfaces . (staff-symbol-referencer-interface beam-interface spanner-interface))))
204 (break-align-orders . #(; end-of-line:
205 (instrument-name left-edge ambitus breathing-sign
206 clef staff-bar key-signature
207 time-signature custos)
210 (instrument-name left-edge ambitus breathing-sign
211 clef staff-bar key-signature
213 time-signature custos)
215 (instrument-name left-edge ambitus breathing-sign
216 clef key-signature staff-bar
217 time-signature custos)
221 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
222 (meta . ((interfaces . (break-alignment-interface item-interface axis-group-interface)))))
228 (X-offset-callbacks . (,Break_align_interface::alignment_callback))
229 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
230 (meta . ((interfaces . (break-aligned-interface item-interface axis-group-interface item-interface ))))
235 (break-align-symbol . breathing-sign)
238 (ambitus . (extra-space . 2.0))
239 (custos . (minimum-space . 1.0))
240 (key-signature . (minimum-space . 1.5))
241 (staff-bar . (minimum-space . 1.5))
242 (clef . (minimum-space . 2.0))
243 (first-note . (fixed-space . 1.0)) ;huh?
244 (right-edge . (extra-space . 0.1))
246 (print-function . ,Text_item::print)
247 (text . ,(make-musicglyph-markup "scripts-rcomma"))
248 (Y-offset-callbacks . (,Breathing_sign::offset_callback))
249 (break-visibility . ,begin-of-line-invisible)
250 (meta . ((interfaces . (break-aligned-interface breathing-sign-interface text-interface font-interface item-interface ))))
255 (print-function . ,Clef::print)
256 (before-line-breaking-callback . ,Clef::before_line_breaking)
258 (font-family . music)
259 (break-align-symbol . clef)
260 (break-visibility . ,begin-of-line-visible)
261 (space-alist . ((ambitus . (extra-space . 2.0))
262 (staff-bar . (extra-space . 0.7))
263 (key-signature . (minimum-space . 4.0))
264 (time-signature . (minimum-space . 4.2))
265 (first-note . (minimum-fixed-space . 5.0))
266 (next-note . (extra-space . 0.5))
267 (right-edge . (extra-space . 0.5))
269 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
270 (meta . ((interfaces . (clef-interface staff-symbol-referencer-interface font-interface break-aligned-interface item-interface ))))
273 (ClusterSpannerBeacon
275 (print-function . #f)
276 (Y-extent-callback . ,Cluster_beacon::height)
277 (meta . ((interfaces . (cluster-beacon-interface item-interface))))
282 (print-function . ,Cluster::print)
283 (spacing-procedure . ,Spanner::set_spacing_rods)
284 (minimum-length . 0.0)
287 (meta . ((interfaces . (cluster-interface spanner-interface))))
292 (print-function . ,Text_item::print)
293 (after-line-breaking-callback . ,Chord_name::after_line_breaking)
297 (meta . ((interfaces . (font-interface rhythmic-grob-interface
298 text-interface chord-name-interface item-interface ))))
303 (break-align-symbol . custos)
305 (print-function . ,Custos::print)
306 (break-visibility . ,end-of-line-visible)
308 (neutral-direction . -1)
309 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
311 (first-note . (minimum-fixed-space . 0.0))
312 (right-edge . (extra-space . 0.1))
315 . (custos-interface staff-symbol-referencer-interface
317 break-aligned-interface item-interface ))))
325 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
326 (X-offset-callbacks . (,Dot_column::side_position))
327 (meta . ((interfaces . (dot-column-interface axis-group-interface item-interface ))))
332 (print-function . ,Dots::print)
334 (meta . ((interfaces . (font-interface staff-symbol-referencer-interface dots-interface item-interface ))))
337 (DoublePercentRepeat .
339 (print-function . ,Percent_repeat_item_interface::double_percent)
342 (font-encoding . fetaMusic)
345 (break-align-symbol . staff-bar)
346 (break-visibility . ,begin-of-line-invisible)
347 (meta . ((interfaces . (font-interface
348 break-aligned-interface
349 percent-repeat-interface item-interface ))))
354 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
355 (print-function . ,Text_item::print)
356 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self
357 ,Self_alignment_interface::centered_on_parent))
358 (self-alignment-X . 0)
359 (no-spacing-rods . #t)
360 (script-priority . 100)
362 (font-encoding . fetaDynamic)
363 (font-shape . italic)
364 (self-alignment-Y . 0)
365 (meta . ((interfaces . (font-interface text-interface self-alignment-interface dynamic-interface script-interface item-interface))))
371 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
372 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
373 (staff-padding . 0.1)
375 (minimum-space . 1.2)
377 (meta . ((interfaces . (dynamic-interface axis-group-interface side-position-interface spanner-interface))))
382 (break-align-symbol . left-edge)
386 (custos . (extra-space . 0.0))
387 (ambitus . (extra-space . 2.0))
388 (time-signature . (extra-space . 0.0))
389 (staff-bar . (extra-space . 0.0))
390 (breathing-sign . (minimum-space . 0.0))
391 (clef . (extra-space . 0.85))
392 (first-note . (fixed-space . 1.0))
393 (right-edge . (extra-space . 0.0))
394 (key-signature . (extra-space . 0.0))
396 (meta . ((interfaces . (break-aligned-interface item-interface ))))
401 (print-function . ,Text_item::print)
403 (staff-padding . 0.6)
404 (self-alignment-X . 0)
405 (self-alignment-Y . 0)
406 (script-priority . 100)
407 (font-encoding . fetaNumber)
408 (font-size . -5) ; don't overlap when next to heads.
409 (meta . ((interfaces . (finger-interface font-interface text-script-interface text-interface side-position-interface self-alignment-interface item-interface ))))
416 (zigzag-width . 0.75)
418 (X-extent-callback . #f)
419 (Y-extent-callback . #f)
420 (after-line-breaking-callback . ,Line_spanner::after_line_breaking)
421 (print-function . ,Line_spanner::print)
422 (meta . ((interfaces . (line-spanner-interface spanner-interface))))
427 (print-function . ,Hairpin::print)
430 (spacing-procedure . ,Spanner::set_spacing_rods)
431 (minimum-length . 2.0)
432 (if-text-padding . 1.0)
433 (self-alignment-Y . 0)
434 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
435 (meta . ((interfaces . (hairpin-interface line-interface self-alignment-interface dynamic-interface spanner-interface))))
441 (print-function . ,Horizontal_bracket::print)
442 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
445 (meta . ((interfaces . (horizontal-bracket-interface side-position-interface spanner-interface))))
450 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self
451 ,Side_position_interface::aligned_on_support_refpoints))
452 ;; This direction is for aligned_on_support_refpoints
456 (left-edge . (extra-space . 1.0))
459 (self-alignment-Y . 0)
460 (print-function . ,Text_item::print)
461 (break-align-symbol . instrument-name)
462 (break-visibility . ,begin-of-line-visible)
464 (meta . ((interfaces . (font-interface self-alignment-interface side-position-interface text-interface break-aligned-interface item-interface ))))
470 (Y-offset-callbacks . (,Side_position_interface::aligned_on_support_refpoints))
472 (space-alist . ((left-edge . (extra-space . 1.0))
474 (break-align-symbol . instrument-name)
475 (print-function . ,Text_item::print)
476 (break-align-symbol . clef)
477 (break-visibility . ,begin-of-line-visible)
479 (meta . ((interfaces . (font-interface
480 self-alignment-interface
481 side-position-interface text-interface
482 break-aligned-interface item-interface ))))
487 (print-function . ,Key_signature_interface::print)
489 (time-signature . (extra-space . 1.25))
490 (staff-bar . (extra-space . 1.1))
491 (right-edge . (extra-space . 0.5))
492 (first-note . (fixed-space . 2.5))
494 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
495 (break-align-symbol . key-signature)
496 (break-visibility . ,begin-of-line-visible)
498 (meta . ((interfaces . (key-signature-interface font-interface break-aligned-interface item-interface ))))
502 (print-function . ,Ledger_line_spanner::print)
503 (X-extent-callback . #f)
504 (Y-extent-callback . #f)
505 (print-function . ,Ledger_line_spanner::print)
506 (meta . ((interfaces . (spanner-interface ledger-line-interface))))
511 (ligature-primitive-callback . ,Note_head::print)
516 (edge-height . (0.7 . 0.7))
517 (shorten-pair . (-0.2 . -0.2))
518 (before-line-breaking-callback . ,Tuplet_bracket::before_line_breaking)
519 (after-line-breaking-callback . ,Tuplet_bracket::after_line_breaking)
520 (print-function . ,Tuplet_bracket::print)
521 (meta . ((interfaces . (tuplet-bracket-interface spanner-interface))))
530 (spacing-procedure . ,Hyphen_spanner::set_spacing_rods)
531 (print-function . ,Hyphen_spanner::print)
533 (meta . ((interfaces . (lyric-interface lyric-hyphen-interface
534 spanner-interface))))
539 (print-function . ,Lyric_extender::print)
540 (thickness . 0.8) ; linethickness
541 (minimum-length . 1.5)
543 (meta . ((interfaces . (lyric-interface
544 lyric-extender-interface spanner-interface))))
548 . ((print-function . ,Text_item::print)
549 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_parent))
550 (self-alignment-X . 0)
552 (font-series . bold-narrow)
554 (meta . ((interfaces . (rhythmic-grob-interface lyric-syllable-interface self-alignment-interface text-interface font-interface item-interface ))))
561 (ligature-primitive-callback . ,Mensural_ligature::brew_ligature_primitive)
562 (print-function . ,Mensural_ligature::print)
563 (meta . ((interfaces . (mensural-ligature-interface font-interface))))
568 (print-function . ,Text_item::print)
569 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
570 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
571 (after-line-breaking-callback . ,shift-right-at-line-begin)
572 (self-alignment-X . 0)
577 (break-visibility . ,end-of-line-invisible)
579 (meta . ((interfaces . (text-interface side-position-interface font-interface mark-interface self-alignment-interface item-interface ))))
583 (print-function . ,Text_item::print)
584 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
587 (meta . ((interfaces . (text-interface side-position-interface font-interface metronome-mark-interface item-interface))))
591 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
592 (print-function . ,Measure_grouping::print)
598 (meta . ((interfaces . (spanner-interface side-position-interface measure-grouping-interface))))
602 (spacing-procedure . ,Multi_measure_rest::set_spacing_rods)
603 (print-function . ,Multi_measure_rest::print)
604 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
607 (thick-thickness . 6.6)
608 (hair-thickness . 2.0)
610 (font-encoding . fetaMusic)
611 (meta . ((interfaces . (multi-measure-rest-interface multi-measure-interface rest-interface font-interface staff-symbol-referencer-interface))))
614 (MultiMeasureRestNumber
616 (print-function . ,Text_item::print)
617 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self
618 ,Self_alignment_interface::centered_on_other_axis_parent))
619 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
620 (self-alignment-X . 0)
623 (staff-padding . 1.3)
624 (font-encoding . fetaNumber)
625 (meta . ((interfaces . (side-position-interface multi-measure-interface self-alignment-interface font-interface spanner-interface text-interface))))
627 (MultiMeasureRestText
629 (print-function . ,Text_item::print)
630 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self
631 ,Self_alignment_interface::centered_on_other_axis_parent))
632 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
633 (self-alignment-X . 0)
636 (staff-padding . 1.5)
637 (meta . ((interfaces . (side-position-interface multi-measure-interface self-alignment-interface font-interface spanner-interface text-interface))))
642 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
643 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
644 (meta . ((interfaces . (note-collision-interface axis-group-interface item-interface ))))
650 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
651 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
652 (meta . ((interfaces . (axis-group-interface note-column-interface item-interface ))))
658 (print-function . ,Note_head::print)
659 (ligature-primitive-callback . ,Note_head::print)
660 (glyph-name-procedure . ,find-notehead-symbol)
661 (X-extent-callback . ,Note_head::extent)
662 (Y-extent-callback . ,Note_head::extent)
663 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
664 (stem-attachment-function . ,note-head-style->attachment-coordinates)
665 (meta . ((interfaces . (rhythmic-grob-interface rhythmic-head-interface font-interface note-head-interface staff-symbol-referencer-interface item-interface ))))
670 (stem-spacing-correction . 0.5)
672 ;; Changed this from 0.75.
673 ;; If you ever change this back, please document! --hwn
674 (knee-spacing-correction . 1.0)
676 (meta . ((interfaces . (spacing-interface note-spacing-interface item-interface ))))
684 (X-extent-callback . #f)
685 (Y-extent-callback . #f)
686 (print-function . ,Line_spanner::print)
687 (after-line-breaking-callback . ,Line_spanner::after_line_breaking)
688 (meta . ((interfaces . (line-spanner-interface spanner-interface))))
693 (print-function . ,Text_item::print)
694 (meta . ((interfaces . (note-name-interface
695 text-interface font-interface item-interface ))))
700 (self-alignment-X . 0)
701 (break-visibility . ,begin-of-line-visible)
702 (X-offset-callbacks . (,Self_alignment_interface::centered_on_parent ,Self_alignment_interface::aligned_on_self))
703 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
704 (print-function . ,Text_item::print)
706 ;; no Y dimensions, because of lyrics under tenor clef.
708 (font-shape . italic)
710 (staff-padding . 0.2)
712 (meta . ((interfaces . (text-interface self-alignment-interface side-position-interface font-interface item-interface ))))
718 (before-line-breaking-callback . ,Paper_column::before_line_breaking)
719 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
721 ; (print-function . ,Paper_column::print) (font-name . "ecrm8") (Y-extent-callback . #f)
722 (meta . ((interfaces . (paper-column-interface axis-group-interface spaceable-grob-interface item-interface ))))
727 (print-function . ,New_slur::print)
729 (spacing-procedure . ,Spanner::set_spacing_rods)
730 (minimum-length . 1.5)
731 (after-line-breaking-callback . ,New_slur::after_line_breaking)
732 (Y-extent-callback . ,New_slur::height)
735 (meta . ((interfaces . (slur-interface spanner-interface))))
738 (NonMusicalPaperColumn
741 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
742 (before-line-breaking-callback . ,Paper_column::before_line_breaking)
744 ;; debugging stuff: print column number.
745 ; (print-function . ,Paper_column::print) (font-name . "ecrm8") (Y-extent-callback . #f)
748 (meta . ((interfaces . (paper-column-interface axis-group-interface spaceable-grob-interface item-interface ))))
753 (spacing-procedure . ,Multi_measure_rest::set_spacing_rods)
754 (print-function . ,Multi_measure_rest::percent)
757 (font-encoding . fetaMusic)
758 (meta . ((interfaces . (multi-measure-rest-interface spanner-interface font-interface percent-repeat-interface))))
761 (PianoPedalBracket ;; an example of a text spanner
763 (print-function . ,Piano_pedal_bracket::print)
765 (if-text-padding . 1.0)
767 (bracket-flare . (0.5 . 0.5))
768 (edge-height . (1.0 . 1.0))
769 (shorten-pair . (0.0 . 0.0))
771 (meta . ((interfaces . (line-interface piano-pedal-interface piano-pedal-bracket-interface spanner-interface))))
775 (RemoveEmptyVerticalGroup
777 (Y-offset-callbacks . (,Hara_kiri_group_spanner::force_hara_kiri_callback))
778 (Y-extent-callback . ,Hara_kiri_group_spanner::y_extent)
781 (meta . ((interfaces . (axis-group-interface hara-kiri-group-interface item-interface spanner-interface))))
786 (print-function . ,Percent_repeat_item_interface::beat_slash)
789 (meta . ((interfaces . (percent-repeat-interface item-interface ))))
793 (after-line-breaking-callback . ,Rest::after_line_breaking)
794 (X-extent-callback . ,Rest::extent_callback)
795 (Y-extent-callback . ,Rest::extent_callback)
796 (print-function . ,Rest::print)
797 (Y-offset-callbacks . (,Staff_symbol_referencer::callback
798 ,Rest::polyphonic_offset_callback
800 (minimum-distance . 0.25)
802 (interfaces . (font-interface
803 rhythmic-head-interface
804 rhythmic-grob-interface
805 staff-symbol-referencer-interface
806 rest-interface item-interface ))
811 (minimum-distance . 0.75)
812 (meta . ((interfaces . (rest-collision-interface item-interface ))))
817 ;; don't set direction here: it breaks staccato.
818 (print-function . ,Script_interface::print)
820 ;; This value is sensitive: if too large, staccato dots will move a
823 (staff-padding . 0.25)
824 ;; (script-priority . 0) priorities for scripts, see script.scm
825 (X-offset-callbacks . (,Self_alignment_interface::centered_on_parent))
826 (before-line-breaking-callback . ,Script_interface::before_line_breaking)
827 (font-encoding . fetaMusic)
828 (meta . ((interfaces . (script-interface side-position-interface font-interface item-interface ))))
833 (before-line-breaking-callback . ,Script_column::before_line_breaking)
834 (meta . ((interfaces . (script-column-interface item-interface ))))
839 (print-function . ,New_slur::print)
841 (spacing-procedure . ,Spanner::set_spacing_rods)
842 (minimum-length . 1.5)
843 (after-line-breaking-callback . ,New_slur::after_line_breaking)
844 (Y-extent-callback . ,New_slur::height)
848 (meta . ((interfaces . (slur-interface spanner-interface))))
853 (spacing-procedure . ,Spacing_spanner::set_springs)
854 (grace-space-factor . 0.6)
855 (shortest-duration-space . 2.0)
856 (spacing-increment . 1.2)
857 (base-shortest-duration . ,(ly:make-moment 1 8))
858 (meta . ((interfaces . (spacing-interface spacing-spanner-interface spanner-interface))))
863 (break-align-symbol . staff-bar)
864 (bar-size-procedure . ,Span_bar::get_bar_size)
865 (print-function . ,Span_bar::print)
866 (X-extent-callback . ,Span_bar::width_callback)
867 (Y-extent-callback . ())
869 (before-line-breaking-callback . ,Span_bar::before_line_breaking)
873 ;; Ross. page 151 lists other values, we opt for a leaner look
877 (hair-thickness . 1.6)
878 (thick-thickness . 6.0)
879 (meta . ((interfaces . (span-bar-interface font-interface
880 bar-line-interface item-interface ))))
884 . ((print-function . ,Text_item::print)
887 (X-offset-callbacks . (,Side_position_interface::aligned_side))
889 (meta . ((interfaces . (side-position-interface stanza-number-interface text-interface font-interface item-interface ))))
895 (stem-spacing-correction . 0.4)
897 (meta . ((interfaces . (spacing-interface staff-spacing-interface item-interface ))))
902 (print-function . ,Text_item::print)
904 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
905 (no-spacing-rods . #t)
906 (padding . 0.0) ;; padding relative to SostenutoPedalLineSpanner
907 (font-shape . italic)
908 (self-alignment-X . 0)
909 (meta . ((interfaces . (text-interface self-alignment-interface font-interface item-interface))))
912 (SostenutoPedalLineSpanner
915 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
916 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
920 (minimum-space . 1.0)
922 (meta . ((interfaces . (piano-pedal-interface axis-group-interface side-position-interface spanner-interface))))
927 (print-function . ,Staff_symbol::print)
929 (ledger-line-thickness . (1.0 . 0.1))
931 (meta . ((interfaces . (staff-symbol-interface spanner-interface))))
936 ;; this list is rather long. Trim --hwn
937 (before-line-breaking-callback . ,Stem::before_line_breaking)
938 (print-function . ,Stem::print)
941 ;; 3.5 (or 3 measured from note head) is standard length
942 ;; 32nd, 64th flagged stems should be longer
943 (lengths . (3.5 3.5 3.5 4.5 5.0))
945 ;; Stems in unnatural (forced) direction should be shortened by
946 ;; one staff space, according to [Roush & Gourlay].
947 ;; Flagged stems we shorten only half a staff space.
948 (stem-shorten . (1.0 0.5))
950 ;; default stem direction for note on middle line
951 (neutral-direction . -1)
955 ;; FIXME. 3.5 yields too long beams (according to Ross and
956 ;; looking at Baerenreiter examples) for a number of common
957 ;; boundary cases. Subtracting half a beam thickness fixes
958 ;; this, but the bug may well be somewhere else.
960 ;; FIXME this should come from 'lengths
962 (beamed-lengths . (3.26 3.26 1.5))
963 ; (beamed-lengths . (3.5 3.5 3.5 4.5 5.0))
965 ;; We use the normal minima as minimum for the ideal lengths,
966 ;; and the extreme minima as abolute minimum length.
968 ;; The 'normal' minima
969 (beamed-minimum-free-lengths . (1.83 1.5 1.25))
971 ;; The 'extreme case' minima
972 (beamed-extreme-minimum-free-lengths . (2.0 1.25))
974 (X-offset-callbacks . (,Stem::off_callback))
975 (X-extent-callback . ,Stem::dim_callback)
976 (Y-extent-callback . ,Stem::height)
977 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
978 (meta . ((interfaces . (stem-interface font-interface item-interface ))))
983 (print-function . ,Stem_tremolo::print)
984 (Y-extent-callback . ,Stem_tremolo::height)
985 (X-extent-callback . #f)
987 (beam-width . 1.6) ; staff-space
988 (beam-thickness . 0.48) ; staff-space
989 (meta . ((interfaces . (stem-tremolo-interface item-interface ))))
994 (X-extent-callback . #f)
995 (Y-extent-callback . #f)
996 (meta . ((interfaces . (spacing-interface separation-item-interface item-interface ))))
999 (SeparatingGroupSpanner
1001 (spacing-procedure . ,Separating_group_spanner::set_spacing_rods)
1002 (meta . ((interfaces . (only-prebreak-interface spacing-interface separation-spanner-interface spanner-interface))))
1007 (no-spacing-rods . #t)
1008 (print-function . ,Sustain_pedal::print)
1009 (self-alignment-X . 0)
1011 (padding . 0.0) ;; padding relative to SustainPedalLineSpanner
1012 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
1013 (meta . ((interfaces . (piano-pedal-interface text-spanner-interface text-interface self-alignment-interface font-interface item-interface))))
1016 (SustainPedalLineSpanner
1019 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1020 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1023 (staff-padding . 1.2)
1024 (minimum-space . 1.0)
1026 (meta . ((interfaces . (piano-pedal-interface axis-group-interface side-position-interface spanner-interface))))
1032 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
1033 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1034 (meta . ((interfaces . (system-interface axis-group-interface spanner-interface))))
1040 (print-function . ,System_start_delimiter::print)
1041 (collapse-height . 5.0)
1042 (font-encoding . fetaBraces)
1043 (Y-extent-callback . #f)
1044 (meta . ((interfaces . (system-start-delimiter-interface font-interface))))
1049 (Y-extent-callback . #f)
1050 (print-function . ,System_start_delimiter::print)
1056 (collapse-height . 1)
1058 (meta . ((interfaces . (system-start-delimiter-interface spanner-interface))))
1063 (Y-extent-callback . #f)
1064 (print-function . ,System_start_delimiter::print)
1065 (glyph . "bar-line")
1067 (after-line-breaking-callback . ,System_start_delimiter::after_line_breaking)
1068 (meta . ((interfaces . (system-start-delimiter-interface spanner-interface))))
1073 (print-function . ,Text_item::print)
1074 (no-spacing-rods . #t)
1075 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
1078 (staff-padding . 0.5)
1079 (script-priority . 200)
1080 ;; todo: add X self alignment?
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-series . bold)
1097 (meta . ((interfaces . (text-script-interface text-interface side-position-interface font-interface item-interface ))))
1101 (print-function . ,Text_spanner::print)
1102 (font-shape . italic)
1103 (style . dashed-line)
1104 (staff-padding . 0.1)
1106 ;; urg, only for (de)cresc. text spanners
1107 (if-text-padding . 1.0)
1108 (dash-fraction . 0.2)
1111 (meta . ((interfaces . (text-spanner-interface side-position-interface font-interface spanner-interface))))
1116 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1117 (print-function . ,Ottava_bracket::print)
1118 (font-shape . italic)
1119 (shorten-pair . (0.0 . -0.6))
1120 (staff-padding . 1.0)
1122 (minimum-length . 1.0)
1123 (dash-fraction . 0.3)
1124 (edge-height . (0 . 1.2))
1126 (meta . ((interfaces . (ottava-bracket-interface
1127 line-interface side-position-interface
1128 font-interface text-interface spanner-interface))))
1134 (print-function . ,Text_item::print)
1135 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
1136 (extra-offset . (0 . -0.65)) ;; UGH! TODO: Clean this up!
1137 (stem-attachment-function . ,tablature-stem-attachment-function)
1138 (meta . ((interfaces
1139 . (rhythmic-head-interface
1141 note-head-interface staff-symbol-referencer-interface
1142 text-interface item-interface ))))
1148 (print-function . ,Tie::print)
1149 (spacing-procedure . ,Spanner::set_spacing_rods)
1150 (staffline-clearance . 0.35)
1151 (details . ((ratio . 0.333) (height-limit . 1.0)))
1155 (minimum-length . 2.5)
1156 (meta . ((interfaces . (tie-interface spanner-interface))))
1161 (after-line-breaking-callback . ,Tie_column::after_line_breaking)
1162 (X-extent-callback . #f)
1163 (Y-extent-callback . #f)
1164 (meta . ((interfaces . (tie-column-interface spanner-interface))))
1169 (print-function . ,Time_signature::print)
1170 ; (print-function . ,Text_item::print)
1171 (break-align-symbol . time-signature)
1172 (break-visibility . ,all-visible)
1174 (first-note . (fixed-space . 2.0))
1175 (right-edge . (extra-space . 0.5))
1176 (staff-bar . (minimum-space . 2.0))
1180 ; (text . (,time-signature-glue-markup))
1181 (meta . ((interfaces . (time-signature-interface break-aligned-interface font-interface item-interface ))))
1188 (edge-height . (0.7 . 0.7))
1189 (shorten-pair . (-0.2 . -0.2))
1190 (before-line-breaking-callback . ,Tuplet_bracket::before_line_breaking)
1191 (after-line-breaking-callback . ,Tuplet_bracket::after_line_breaking)
1192 (print-function . ,Tuplet_bracket::print)
1193 (font-shape . italic)
1194 (font-series . bold)
1197 (meta . ((interfaces . (text-interface line-interface tuplet-bracket-interface font-interface spanner-interface))))
1202 (print-function . ,Text_item::print)
1203 (font-shape . italic)
1204 (no-spacing-rods . #t)
1205 (self-alignment-X . 0)
1207 (padding . 0.0) ;; padding relative to UnaCordaPedalLineSpanner
1208 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
1209 (meta . ((interfaces . (text-interface self-alignment-interface font-interface item-interface ))))
1212 (UnaCordaPedalLineSpanner
1215 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1216 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1218 (staff-padding . 1.2)
1219 (minimum-space . 1.0)
1221 (meta . ((interfaces . (piano-pedal-interface axis-group-interface side-position-interface spanner-interface))))
1228 (ligature-primitive-callback . ,Vaticana_ligature::brew_ligature_primitive)
1229 (print-function . ,Vaticana_ligature::print)
1230 (meta . ((interfaces . (vaticana-ligature-interface font-interface))))
1235 (print-function . ,Volta_bracket_interface::print)
1238 (font-encoding . fetaNumber)
1239 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1240 (thickness . 1.6) ; linethickness
1241 (height . 2.0) ; staffspace;
1244 (meta . ((interfaces . (volta-bracket-interface line-interface text-interface side-position-interface font-interface spanner-interface))))
1250 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1251 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
1253 (meta . ((interfaces . (align-interface axis-group-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 . (axis-group-interface spanner-interface))))
1270 (define (completize-grob-entry x)
1271 "transplant assoc key into 'name entry of 'meta of X
1273 (let* ((name-sym (car x))
1274 (grob-entry (cdr x))
1275 (metaentry (cdr (assoc 'meta grob-entry)))
1277 (cdr (assoc 'interfaces metaentry)))
1280 (set! metaentry (assoc-set! metaentry 'name name-sym))
1281 (set! metaentry (assoc-set! metaentry 'interfaces
1282 (cons 'grob-interface ifaces-entry)))
1283 (set! grob-entry (assoc-set! grob-entry 'meta metaentry))
1284 (cons name-sym grob-entry)))
1286 (set! all-grob-descriptions (map completize-grob-entry all-grob-descriptions))
1290 ; (display (map pair? all-grob-descriptions))
1293 ;; make sure that \property Foo.Bar =\turnOff doesn't complain
1296 ; (display (car x)) (newline)
1298 (set-object-property! (car x) 'translation-type? list?)
1299 (set-object-property! (car x) 'is-grob? #t))
1300 all-grob-descriptions)
1303 (set! all-grob-descriptions (sort all-grob-descriptions alist<?))