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))))
192 (break-align-orders . #(; end-of-line:
193 (instrument-name left-edge ambitus breathing-sign
194 clef staff-bar key-signature
195 time-signature custos)
198 (instrument-name left-edge ambitus breathing-sign
199 clef staff-bar key-signature
201 time-signature custos)
203 (instrument-name left-edge ambitus breathing-sign
204 clef key-signature staff-bar
205 time-signature custos)
209 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
210 (meta . ((interfaces . (break-alignment-interface item-interface axis-group-interface)))))
216 (X-offset-callbacks . (,Break_align_interface::alignment_callback))
217 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
218 (meta . ((interfaces . (break-aligned-interface item-interface axis-group-interface item-interface ))))
223 (break-align-symbol . breathing-sign)
226 (ambitus . (extra-space . 2.0))
227 (custos . (minimum-space . 1.0))
228 (key-signature . (minimum-space . 1.5))
229 (staff-bar . (minimum-space . 1.5))
230 (clef . (minimum-space . 2.0))
231 (first-note . (fixed-space . 1.0)) ;huh?
232 (right-edge . (extra-space . 0.1))
234 (print-function . ,Text_item::print)
235 (text . ,(make-musicglyph-markup "scripts-rcomma"))
236 (Y-offset-callbacks . (,Breathing_sign::offset_callback))
237 (break-visibility . ,begin-of-line-invisible)
238 (meta . ((interfaces . (break-aligned-interface breathing-sign-interface text-interface font-interface item-interface ))))
243 (print-function . ,Clef::print)
244 (before-line-breaking-callback . ,Clef::before_line_breaking)
246 (font-family . music)
247 (break-align-symbol . clef)
248 (break-visibility . ,begin-of-line-visible)
249 (space-alist . ((ambitus . (extra-space . 2.0))
250 (staff-bar . (extra-space . 0.7))
251 (key-signature . (minimum-space . 4.0))
252 (time-signature . (minimum-space . 4.2))
253 (first-note . (minimum-fixed-space . 5.0))
254 (next-note . (extra-space . 0.5))
255 (right-edge . (extra-space . 0.5))
257 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
258 (meta . ((interfaces . (clef-interface staff-symbol-referencer-interface font-interface break-aligned-interface item-interface ))))
261 (ClusterSpannerBeacon
263 (print-function . #f)
264 (meta . ((interfaces . (cluster-beacon-interface item-interface))))
269 (print-function . ,Cluster::print)
270 (spacing-procedure . ,Spanner::set_spacing_rods)
271 (minimum-length . 0.0)
274 (meta . ((interfaces . (cluster-interface spanner-interface))))
279 (print-function . ,Text_item::print)
280 (after-line-breaking-callback . ,Chord_name::after_line_breaking)
284 (meta . ((interfaces . (font-interface rhythmic-grob-interface
285 text-interface chord-name-interface item-interface ))))
290 (break-align-symbol . custos)
292 (print-function . ,Custos::print)
293 (break-visibility . ,end-of-line-visible)
295 (neutral-direction . -1)
296 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
298 (first-note . (minimum-fixed-space . 0.0))
299 (right-edge . (extra-space . 0.1))
302 . (custos-interface staff-symbol-referencer-interface
304 break-aligned-interface item-interface ))))
312 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
313 (X-offset-callbacks . (,Dot_column::side_position))
314 (meta . ((interfaces . (dot-column-interface axis-group-interface item-interface ))))
319 (print-function . ,Dots::print)
321 (meta . ((interfaces . (font-interface staff-symbol-referencer-interface dots-interface item-interface ))))
324 (DoublePercentRepeat .
326 (print-function . ,Percent_repeat_item_interface::double_percent)
329 (font-encoding . music)
332 (break-align-symbol . staff-bar)
333 (break-visibility . ,begin-of-line-invisible)
334 (meta . ((interfaces . (font-interface
335 break-aligned-interface
336 percent-repeat-interface item-interface ))))
341 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
342 (print-function . ,Text_item::print)
343 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self
344 ,Self_alignment_interface::centered_on_parent))
345 (self-alignment-X . 0)
346 (no-spacing-rods . #t)
347 (script-priority . 100)
349 (font-encoding . dynamic)
350 (font-shape . italic)
351 (self-alignment-Y . 0)
352 (meta . ((interfaces . (font-interface text-interface self-alignment-interface dynamic-interface script-interface item-interface))))
358 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
359 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
360 (staff-padding . 0.1)
362 (minimum-space . 1.2)
364 (meta . ((interfaces . (dynamic-interface axis-group-interface side-position-interface spanner-interface))))
369 (break-align-symbol . left-edge)
373 (custos . (extra-space . 0.0))
374 (ambitus . (extra-space . 2.0))
375 (time-signature . (extra-space . 0.0))
376 (staff-bar . (extra-space . 0.0))
377 (breathing-sign . (minimum-space . 0.0))
378 (clef . (extra-space . 0.85))
379 (first-note . (fixed-space . 1.0))
380 (right-edge . (extra-space . 0.0))
381 (key-signature . (extra-space . 0.0))
383 (meta . ((interfaces . (break-aligned-interface item-interface ))))
388 (print-function . ,Text_item::print)
390 (staff-padding . 0.6)
391 (self-alignment-X . 0)
392 (self-alignment-Y . 0)
393 (script-priority . 100)
394 (font-encoding . number)
395 (font-size . -5) ; don't overlap when next to heads.
396 (meta . ((interfaces . (finger-interface font-interface text-script-interface text-interface side-position-interface self-alignment-interface item-interface ))))
403 (zigzag-width . 0.75)
405 (X-extent-callback . #f)
406 (Y-extent-callback . #f)
407 (after-line-breaking-callback . ,Line_spanner::after_line_breaking)
408 (print-function . ,Line_spanner::print)
409 (meta . ((interfaces . (line-spanner-interface spanner-interface))))
414 (print-function . ,Hairpin::print)
417 (spacing-procedure . ,Spanner::set_spacing_rods)
418 (minimum-length . 2.0)
419 (if-text-padding . 1.0)
420 (self-alignment-Y . 0)
421 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
422 (meta . ((interfaces . (hairpin-interface line-interface self-alignment-interface dynamic-interface spanner-interface))))
428 (print-function . ,Horizontal_bracket::print)
429 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
432 (meta . ((interfaces . (horizontal-bracket-interface side-position-interface spanner-interface))))
437 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self
438 ,Side_position_interface::aligned_on_support_refpoints))
439 ;; This direction is for aligned_on_support_refpoints
443 (left-edge . (extra-space . 1.0))
446 (self-alignment-Y . 0)
447 (print-function . ,Text_item::print)
448 (break-align-symbol . instrument-name)
449 (break-visibility . ,begin-of-line-visible)
451 (meta . ((interfaces . (font-interface self-alignment-interface side-position-interface text-interface break-aligned-interface item-interface ))))
457 (Y-offset-callbacks . (,Side_position_interface::aligned_on_support_refpoints))
459 (space-alist . ((left-edge . (extra-space . 1.0))
461 (print-function . ,Text_item::print)
462 (break-align-symbol . clef)
463 (break-visibility . ,begin-of-line-visible)
465 (meta . ((interfaces . (font-interface
466 self-alignment-interface
467 side-position-interface text-interface
468 break-aligned-interface item-interface ))))
473 (print-function . ,Key_signature_interface::print)
475 (time-signature . (extra-space . 1.25))
476 (staff-bar . (extra-space . 1.1))
477 (right-edge . (extra-space . 0.5))
478 (first-note . (fixed-space . 2.5))
480 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
481 (break-align-symbol . key-signature)
482 (break-visibility . ,begin-of-line-visible)
484 (meta . ((interfaces . (key-signature-interface font-interface break-aligned-interface item-interface ))))
489 (ligature-primitive-callback . ,Note_head::print)
494 (edge-height . (0.7 . 0.7))
495 (shorten-pair . (-0.2 . -0.2))
496 (before-line-breaking-callback . ,Tuplet_bracket::before_line_breaking)
497 (after-line-breaking-callback . ,Tuplet_bracket::after_line_breaking)
498 (print-function . ,Tuplet_bracket::print)
499 (meta . ((interfaces . (tuplet-bracket-interface spanner-interface))))
508 (spacing-procedure . ,Hyphen_spanner::set_spacing_rods)
509 (print-function . ,Hyphen_spanner::print)
511 (meta . ((interfaces . (lyric-interface lyric-hyphen-interface
512 spanner-interface))))
517 (print-function . ,Lyric_extender::print)
518 (thickness . 0.8) ; linethickness
519 (minimum-length . 1.5)
521 (meta . ((interfaces . (lyric-interface
522 lyric-extender-interface spanner-interface))))
526 . ((print-function . ,Text_item::print)
527 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_parent))
528 (self-alignment-X . 0)
530 (font-series . bold-narrow)
532 (meta . ((interfaces . (rhythmic-grob-interface lyric-syllable-interface self-alignment-interface text-interface font-interface item-interface ))))
539 (ligature-primitive-callback . ,Mensural_ligature::brew_ligature_primitive)
540 (print-function . ,Mensural_ligature::print)
541 (meta . ((interfaces . (mensural-ligature-interface font-interface))))
546 (print-function . ,Text_item::print)
547 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
548 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
549 (after-line-breaking-callback . ,shift-right-at-line-begin)
550 (self-alignment-X . 0)
555 (break-visibility . ,end-of-line-invisible)
557 (meta . ((interfaces . (text-interface side-position-interface font-interface mark-interface self-alignment-interface item-interface ))))
561 (print-function . ,Text_item::print)
562 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
565 (break-visibility . ,end-of-line-invisible)
567 (meta . ((interfaces . (text-interface side-position-interface font-interface metronome-mark-interface item-interface))))
571 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
572 (print-function . ,Measure_grouping::print)
578 (meta . ((interfaces . (spanner-interface side-position-interface measure-grouping-interface))))
582 (spacing-procedure . ,Multi_measure_rest::set_spacing_rods)
583 (print-function . ,Multi_measure_rest::print)
584 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
587 (thick-thickness . 6.6)
588 (hair-thickness . 2.0)
590 (font-encoding . music)
591 (meta . ((interfaces . (multi-measure-rest-interface multi-measure-interface rest-interface font-interface staff-symbol-referencer-interface))))
594 (MultiMeasureRestNumber
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 . 1.3)
604 (font-encoding . number)
605 (meta . ((interfaces . (side-position-interface multi-measure-interface self-alignment-interface font-interface spanner-interface text-interface))))
607 (MultiMeasureRestText
609 (print-function . ,Text_item::print)
610 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self
611 ,Self_alignment_interface::centered_on_other_axis_parent))
612 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
613 (self-alignment-X . 0)
616 (staff-padding . 1.5)
617 (meta . ((interfaces . (side-position-interface multi-measure-interface self-alignment-interface font-interface spanner-interface text-interface))))
622 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
623 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
624 (meta . ((interfaces . (note-collision-interface axis-group-interface item-interface ))))
630 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
631 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
632 (meta . ((interfaces . (axis-group-interface note-column-interface item-interface ))))
638 (print-function . ,Note_head::print)
639 (ligature-primitive-callback . ,Note_head::print)
640 (glyph-name-procedure . ,find-notehead-symbol)
641 (X-extent-callback . ,Note_head::extent)
642 (Y-extent-callback . ,Note_head::extent)
643 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
644 (stem-attachment-function . ,note-head-style->attachment-coordinates)
645 (meta . ((interfaces . (rhythmic-grob-interface rhythmic-head-interface font-interface note-head-interface staff-symbol-referencer-interface item-interface ))))
650 (stem-spacing-correction . 0.5)
652 ;; Changed this from 0.75.
653 ;; If you ever change this back, please document! --hwn
654 (knee-spacing-correction . 1.0)
656 (meta . ((interfaces . (spacing-interface note-spacing-interface item-interface ))))
664 (X-extent-callback . #f)
665 (Y-extent-callback . #f)
666 (print-function . ,Line_spanner::print)
667 (after-line-breaking-callback . ,Line_spanner::after_line_breaking)
668 (meta . ((interfaces . (line-spanner-interface spanner-interface))))
673 (print-function . ,Text_item::print)
674 (meta . ((interfaces . (note-name-interface
675 text-interface font-interface item-interface ))))
680 (self-alignment-X . 0)
681 (break-visibility . ,begin-of-line-visible)
682 (X-offset-callbacks . (,Self_alignment_interface::centered_on_parent ,Self_alignment_interface::aligned_on_self))
683 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
684 (print-function . ,Text_item::print)
685 (font-shape . italic)
687 (staff-padding . 0.2)
689 (meta . ((interfaces . (text-interface self-alignment-interface side-position-interface font-interface item-interface ))))
695 (before-line-breaking-callback . ,Paper_column::before_line_breaking)
696 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
698 ; (print-function . ,Paper_column::print) (font-name . "cmr8") (Y-extent-callback . #f)
699 (meta . ((interfaces . (paper-column-interface axis-group-interface spaceable-grob-interface item-interface ))))
704 (print-function . ,Slur::print)
706 (spacing-procedure . ,Spanner::set_spacing_rods)
707 (minimum-length . 1.5)
708 (after-line-breaking-callback . ,Slur::after_line_breaking)
709 (extremity-function . ,calc-slur-extremity)
710 (extremity-offset-alist . ,default-phrasing-slur-extremity-offset-alist)
711 (de-uglify-parameters . (1.5 0.8 -2.0))
712 (Y-extent-callback . ,Slur::height)
717 (attachment . (#f . #f))
718 (attachment-offset . ((0 . 0) . (0 . 0)))
720 (details . ((force-blowfit . 0.5)
721 (bezier-pct-c0 . -0.2) (bezier-pct-c3 . 0.000006)
722 (bezier-pct-out-max . 0.8) (bezier-pct-in-max . 1.2)
723 (bezier-area-steps . 1.0)))
724 (meta . ((interfaces . (slur-interface spanner-interface))))
727 (NonMusicalPaperColumn
730 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
731 (before-line-breaking-callback . ,Paper_column::before_line_breaking)
733 ;; debugging stuff: print column number.
734 ; (print-function . ,Paper_column::print) (font-name . "cmr8") (Y-extent-callback . #f)
737 (meta . ((interfaces . (paper-column-interface axis-group-interface spaceable-grob-interface item-interface ))))
742 (spacing-procedure . ,Multi_measure_rest::set_spacing_rods)
743 (print-function . ,Multi_measure_rest::percent)
746 (font-encoding . music)
747 (meta . ((interfaces . (multi-measure-rest-interface spanner-interface font-interface percent-repeat-interface))))
750 (PianoPedalBracket ;; an example of a text spanner
752 (print-function . ,Piano_pedal_bracket::print)
754 (if-text-padding . 1.0)
756 (bracket-flare . (0.5 . 0.5))
757 (edge-height . (1.0 . 1.0))
758 (shorten-pair . (0.0 . 0.0))
760 (meta . ((interfaces . (line-interface piano-pedal-interface piano-pedal-bracket-interface spanner-interface))))
764 (RemoveEmptyVerticalGroup
766 (Y-offset-callbacks . (,Hara_kiri_group_spanner::force_hara_kiri_callback))
767 (Y-extent-callback . ,Hara_kiri_group_spanner::y_extent)
770 (meta . ((interfaces . (axis-group-interface hara-kiri-group-interface item-interface spanner-interface))))
775 (print-function . ,Percent_repeat_item_interface::beat_slash)
778 (meta . ((interfaces . (percent-repeat-interface item-interface ))))
782 (after-line-breaking-callback . ,Rest::after_line_breaking)
783 (X-extent-callback . ,Rest::extent_callback)
784 (Y-extent-callback . ,Rest::extent_callback)
785 (print-function . ,Rest::print)
786 (Y-offset-callbacks . (,Staff_symbol_referencer::callback
787 ,Rest::polyphonic_offset_callback
789 (minimum-distance . 0.25)
791 (interfaces . (font-interface
792 rhythmic-head-interface
793 rhythmic-grob-interface
794 staff-symbol-referencer-interface
795 rest-interface item-interface ))
800 (minimum-distance . 0.75)
801 (meta . ((interfaces . (rest-collision-interface item-interface ))))
806 ;; don't set direction here: it breaks staccato.
807 (print-function . ,Script_interface::print)
809 ;; This value is sensitive: if too large, staccato dots will move a
812 (staff-padding . 0.25)
813 ;; (script-priority . 0) priorities for scripts, see script.scm
814 (X-offset-callbacks . (,Self_alignment_interface::centered_on_parent))
815 (before-line-breaking-callback . ,Script_interface::before_line_breaking)
816 (font-encoding . music)
817 (meta . ((interfaces . (script-interface side-position-interface font-interface item-interface ))))
822 (before-line-breaking-callback . ,Script_column::before_line_breaking)
823 (meta . ((interfaces . (script-column-interface item-interface ))))
828 (print-function . ,Slur::print)
830 (spacing-procedure . ,Spanner::set_spacing_rods)
831 (minimum-length . 1.5)
832 (after-line-breaking-callback . ,Slur::after_line_breaking)
833 (extremity-function . ,calc-slur-extremity)
834 (extremity-offset-alist . ,default-slur-extremity-offset-alist)
835 (de-uglify-parameters . (1.5 0.8 -2.0))
836 (Y-extent-callback . ,Slur::height)
841 (attachment . (#f . #f))
842 (attachment-offset . ((0 . 0) . (0 . 0)))
844 (details . ((force-blowfit . 0.5)
845 (bezier-pct-c0 . -0.2) (bezier-pct-c3 . 0.000006)
846 (bezier-pct-out-max . 0.8) (bezier-pct-in-max . 1.2)
847 (bezier-area-steps . 1.0)))
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 (break-visibility . ,begin-of-line-invisible)
867 (X-extent-callback . ,Span_bar::width_callback)
868 (Y-extent-callback . ())
870 (before-line-breaking-callback . ,Span_bar::before_line_breaking)
874 ;; Ross. page 151 lists other values, we opt for a leaner look
878 (hair-thickness . 1.6)
879 (thick-thickness . 6.0)
880 (meta . ((interfaces . (span-bar-interface font-interface
881 bar-line-interface item-interface ))))
885 . ((print-function . ,Text_item::print)
888 (X-offset-callbacks . (,Side_position_interface::aligned_side))
890 (meta . ((interfaces . (side-position-interface stanza-number-interface text-interface font-interface item-interface ))))
896 (stem-spacing-correction . 0.4)
898 (meta . ((interfaces . (spacing-interface staff-spacing-interface item-interface ))))
903 (print-function . ,Text_item::print)
905 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
906 (no-spacing-rods . #t)
907 (padding . 0.0) ;; padding relative to SostenutoPedalLineSpanner
908 (font-shape . italic)
909 (self-alignment-X . 0)
910 (meta . ((interfaces . (text-interface self-alignment-interface font-interface item-interface))))
913 (SostenutoPedalLineSpanner
916 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
917 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
921 (minimum-space . 1.0)
923 (meta . ((interfaces . (piano-pedal-interface axis-group-interface side-position-interface spanner-interface))))
928 (print-function . ,Staff_symbol::print)
930 (ledger-line-thickness . (1.0 . 0.1))
932 (meta . ((interfaces . (staff-symbol-interface spanner-interface))))
937 ;; this list is rather long. Trim --hwn
938 (before-line-breaking-callback . ,Stem::before_line_breaking)
939 (print-function . ,Stem::print)
942 ;; 3.5 (or 3 measured from note head) is standard length
943 ;; 32nd, 64th flagged stems should be longer
944 (lengths . (3.5 3.5 3.5 4.5 5.0))
946 ;; Stems in unnatural (forced) direction should be shortened by
947 ;; one staff space, according to [Roush & Gourlay].
948 ;; Flagged stems we shorten only half a staff space.
949 (stem-shorten . (1.0 0.5))
951 ;; default stem direction for note on middle line
952 (neutral-direction . -1)
956 ;; FIXME. 3.5 yields too long beams (according to Ross and
957 ;; looking at Baerenreiter examples) for a number of common
958 ;; boundary cases. Subtracting half a beam thickness fixes
959 ;; this, but the bug may well be somewhere else.
961 ;; FIXME this should come from 'lengths
963 ; (beamed-lengths . (3.26 3.26 1.5))
964 (beamed-lengths . (3.5 3.5 3.5 4.5 5.0))
966 ;; We use the normal minima as minimum for the ideal lengths,
967 ;; and the extreme minima as abolute minimum length.
969 ;; The 'normal' minima
970 (beamed-minimum-free-lengths . (1.83 1.5 1.25))
972 ;; The 'extreme case' minima
973 (beamed-extreme-minimum-free-lengths . (2.0 1.25))
975 (X-offset-callbacks . (,Stem::off_callback))
976 (X-extent-callback . ,Stem::dim_callback)
977 (Y-extent-callback . ,Stem::height)
978 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
979 (meta . ((interfaces . (stem-interface font-interface item-interface ))))
984 (print-function . ,Stem_tremolo::print)
985 (Y-extent-callback . ,Stem_tremolo::height)
986 (X-extent-callback . #f)
988 (beam-width . 1.6) ; staff-space
989 (beam-thickness . 0.48) ; staff-space
990 (meta . ((interfaces . (stem-tremolo-interface item-interface ))))
995 (X-extent-callback . #f)
996 (Y-extent-callback . #f)
997 (meta . ((interfaces . (spacing-interface separation-item-interface item-interface ))))
1000 (SeparatingGroupSpanner
1002 (spacing-procedure . ,Separating_group_spanner::set_spacing_rods)
1003 (meta . ((interfaces . (only-prebreak-interface spacing-interface separation-spanner-interface spanner-interface))))
1008 (no-spacing-rods . #t)
1009 (print-function . ,Sustain_pedal::print)
1010 (self-alignment-X . 0)
1012 (padding . 0.0) ;; padding relative to SustainPedalLineSpanner
1013 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
1014 (meta . ((interfaces . (piano-pedal-interface text-spanner-interface text-interface self-alignment-interface font-interface item-interface))))
1017 (SustainPedalLineSpanner
1020 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1021 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1024 (staff-padding . 1.2)
1025 (minimum-space . 1.0)
1027 (meta . ((interfaces . (piano-pedal-interface axis-group-interface side-position-interface spanner-interface))))
1033 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
1034 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1035 (meta . ((interfaces . (system-interface axis-group-interface spanner-interface))))
1041 (print-function . ,System_start_delimiter::print)
1042 (collapse-height . 5.0)
1043 (font-encoding . braces)
1044 (Y-extent-callback . #f)
1045 (meta . ((interfaces . (system-start-delimiter-interface font-interface))))
1050 (Y-extent-callback . #f)
1051 (print-function . ,System_start_delimiter::print)
1057 (collapse-height . 1)
1059 (meta . ((interfaces . (system-start-delimiter-interface spanner-interface))))
1064 (Y-extent-callback . #f)
1065 (print-function . ,System_start_delimiter::print)
1066 (glyph . "bar-line")
1068 (after-line-breaking-callback . ,System_start_delimiter::after_line_breaking)
1069 (meta . ((interfaces . (system-start-delimiter-interface spanner-interface))))
1074 (print-function . ,Text_item::print)
1075 (no-spacing-rods . #t)
1076 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
1079 (staff-padding . 0.5)
1080 (script-priority . 200)
1081 ;; todo: add X self alignment?
1082 (meta . ((interfaces . (text-script-interface text-interface side-position-interface font-interface item-interface ))))
1086 (print-function . ,Text_item::print)
1087 (no-spacing-rods . #t)
1088 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1089 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
1091 (extra-offset . (-1 . 0))
1093 (staff-padding . 0.5)
1094 (script-priority . 200)
1095 ;; todo: add X self alignment?
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-shape . italic)
1104 (style . dashed-line)
1105 (staff-padding . 0.1)
1107 ;; urg, only for (de)cresc. text spanners
1108 (if-text-padding . 1.0)
1109 (dash-fraction . 0.2)
1112 (meta . ((interfaces . (text-spanner-interface side-position-interface font-interface spanner-interface))))
1117 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1118 (print-function . ,Ottava_bracket::print)
1119 (font-shape . italic)
1120 (shorten-pair . (0.0 . -0.6))
1121 (staff-padding . 1.0)
1123 (minimum-length . 1.0)
1124 (dash-fraction . 0.3)
1125 (edge-height . (0 . 1.2))
1127 (meta . ((interfaces . (ottava-bracket-interface
1128 line-interface side-position-interface
1129 font-interface text-interface spanner-interface))))
1135 (print-function . ,Text_item::print)
1136 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
1137 (extra-offset . (0 . -0.65)) ;; UGH! TODO: Clean this up!
1138 (stem-attachment-function . ,tablature-stem-attachment-function)
1139 (meta . ((interfaces
1140 . (rhythmic-head-interface
1142 note-head-interface staff-symbol-referencer-interface
1143 text-interface item-interface ))))
1149 (print-function . ,Tie::print)
1150 (spacing-procedure . ,Spanner::set_spacing_rods)
1151 (staffline-clearance . 0.35)
1152 (details . ((ratio . 0.333) (height-limit . 1.0)))
1156 (minimum-length . 2.5)
1157 (meta . ((interfaces . (tie-interface spanner-interface))))
1162 (after-line-breaking-callback . ,Tie_column::after_line_breaking)
1163 (X-extent-callback . #f)
1164 (Y-extent-callback . #f)
1165 (meta . ((interfaces . (tie-column-interface spanner-interface))))
1170 (print-function . ,Time_signature::print)
1171 ; (print-function . ,Text_item::print)
1172 (break-align-symbol . time-signature)
1173 (break-visibility . ,all-visible)
1175 (first-note . (fixed-space . 2.0))
1176 (right-edge . (extra-space . 0.5))
1177 (staff-bar . (minimum-space . 2.0))
1181 ; (text . (,time-signature-glue-markup))
1182 (meta . ((interfaces . (time-signature-interface break-aligned-interface font-interface item-interface ))))
1190 (edge-height . (0.7 . 0.7))
1191 (shorten-pair . (-0.2 . -0.2))
1192 (before-line-breaking-callback . ,Tuplet_bracket::before_line_breaking)
1193 (after-line-breaking-callback . ,Tuplet_bracket::after_line_breaking)
1194 (print-function . ,Tuplet_bracket::print)
1195 (font-shape . italic)
1196 (font-series . bold)
1199 (meta . ((interfaces . (text-interface line-interface tuplet-bracket-interface font-interface spanner-interface))))
1204 (print-function . ,Text_item::print)
1205 (font-shape . italic)
1206 (no-spacing-rods . #t)
1207 (self-alignment-X . 0)
1209 (padding . 0.0) ;; padding relative to UnaCordaPedalLineSpanner
1210 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
1211 (meta . ((interfaces . (text-interface self-alignment-interface font-interface item-interface ))))
1214 (UnaCordaPedalLineSpanner
1217 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1218 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1220 (staff-padding . 1.2)
1221 (minimum-space . 1.0)
1223 (meta . ((interfaces . (piano-pedal-interface axis-group-interface side-position-interface spanner-interface))))
1230 (ligature-primitive-callback . ,Vaticana_ligature::brew_ligature_primitive)
1231 (print-function . ,Vaticana_ligature::print)
1232 (meta . ((interfaces . (vaticana-ligature-interface font-interface))))
1237 (print-function . ,Volta_bracket_interface::print)
1240 (font-encoding . number)
1241 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1242 (thickness . 1.6) ; linethickness
1243 (height . 2.0) ; staffspace;
1246 (meta . ((interfaces . (volta-bracket-interface line-interface text-interface side-position-interface font-interface spanner-interface))))
1252 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1253 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
1255 (meta . ((interfaces . (align-interface axis-group-interface spanner-interface))))
1261 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1262 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
1264 (meta . ((interfaces . (axis-group-interface spanner-interface))))
1272 (define (completize-grob-entry x)
1273 "transplant assoc key into 'name entry of 'meta of X
1275 (let* ((name-sym (car x))
1276 (grob-entry (cdr x))
1277 (metaentry (cdr (assoc 'meta grob-entry)))
1279 (cdr (assoc 'interfaces metaentry)))
1282 (set! metaentry (assoc-set! metaentry 'name name-sym))
1283 (set! metaentry (assoc-set! metaentry 'interfaces
1284 (cons 'grob-interface ifaces-entry)))
1285 (set! grob-entry (assoc-set! grob-entry 'meta metaentry))
1286 (cons name-sym grob-entry)))
1288 (set! all-grob-descriptions (map completize-grob-entry all-grob-descriptions))
1292 ; (display (map pair? all-grob-descriptions))
1295 ;; make sure that \property Foo.Bar =\turnOff doesn't complain
1298 ; (display (car x)) (newline)
1300 (set-object-property! (car x) 'translation-type? list?)
1301 (set-object-property! (car x) 'is-grob? #t))
1302 all-grob-descriptions)
1305 (set! all-grob-descriptions (sort all-grob-descriptions alist<?))