1 ;;;; grob-description.scm -- part of generated backend documentation
3 ;;;; source file of the GNU LilyPond music typesetter
5 ;;;; (c) 1998--2003 Han-Wen Nienhuys <hanwen@cs.uu.nl>
6 ;;;; Jan Nieuwenhuizen <janneke@gnu.org>
8 ;;;; distances are given in stafflinethickness (thicknesses) and
9 ;;;; staffspace (distances)
11 ;;;; WARNING: the meta field should be the last one.
12 ;;;; WARNING: don't use anonymous functions for initialization.
14 ;; TODO: junk the meta field in favor of something more compact?
15 (define-public all-grob-descriptions
19 (molecule-callback . ,Accidental_interface::brew_molecule)
21 (cautionary-style . parentheses)
22 (after-line-breaking-callback . ,Accidental_interface::after_line_breaking) (meta . ((interfaces . (item-interface accidental-interface font-interface))))
26 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
29 ;; this is quite small, but it is very ugly to have
30 ;; accs closer to the previous note than to the next one.
31 (right-padding . 0.15)
32 (meta . ((interfaces . (item-interface accidental-placement-interface))))
38 (break-align-symbol . ambitus)
39 (molecule-callback . ,Ambitus::brew_molecule)
41 (note-head-style . "noteheads-2")
42 (visibility-lambda . ,begin-of-line-visible)
45 (clef . (extra-space . 0.0))
46 (key-signature . (extra-space . 0.0))
47 (staff-bar . (extra-space . 0.0))
48 (time-signature . (extra-space . 0.0))
49 (first-note . (extra-space . 0.0))
51 (meta . ((interfaces . (ambitus-interface staff-symbol-referencer-interface break-aligned-interface item-interface font-interface))))
56 (X-extent-callback . ,Arpeggio::width_callback)
57 (Y-extent-callback . #f)
58 (molecule-callback . ,Arpeggio::brew_molecule)
59 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
60 (X-offset-callbacks . (,Side_position_interface::aligned_side))
62 (staff-position . 0.0)
63 (meta . ((interfaces . (arpeggio-interface staff-symbol-referencer-interface side-position-interface item-interface font-interface))))
68 (break-align-symbol . staff-bar)
70 (break-glyph-function . ,default-break-barline)
71 (bar-size-procedure . ,Bar_line::get_staff_bar_size)
72 (molecule-callback . ,Bar_line::brew_molecule)
73 (break-visibility . ,all-visible)
75 (before-line-breaking-callback . ,Bar_line::before_line_breaking)
77 (time-signature . (extra-space . 0.75))
78 (custos . (minimum-space . 2.0))
79 (clef . (minimum-space . 1.0))
80 (key-signature . (extra-space . 1.0))
81 (first-note . (extra-space . 1.3))
82 (right-edge . (extra-space . 0.0))
86 ;; Ross. page 151 lists other values, we opt for a leaner look
90 (hair-thickness . 1.6)
91 (thick-thickness . 6.0)
92 (meta . ((interfaces . (bar-line-interface item-interface break-aligned-interface font-interface))))
98 (molecule-callback . ,Text_item::brew_molecule)
100 (break-visibility . ,begin-of-line-visible)
103 (font-family . roman)
105 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
106 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
107 (self-alignment-X . 1)
108 (extra-offset . (1.3 . 0))
110 ((interfaces . (side-position-interface
112 self-alignment-interface
113 font-interface item-interface break-aligned-interface))))
119 (molecule-callback . ,Text_item::brew_molecule)
120 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
122 (font-family . number)
124 ;; We must do this, other BFs in
125 ;; paper16 become too small.
127 (font-magnification . 0.8)
129 (meta . ((interfaces . (text-interface rhythmic-grob-interface
130 bass-figure-interface item-interface
131 self-alignment-interface font-interface))))
135 ;; todo: clean this up a bit: the list is getting
137 (molecule-callback . ,Beam::brew_molecule)
138 (concaveness-gap . 2.0)
139 (concaveness-threshold . 0.08)
141 (positions . (#f . #f))
142 (position-callbacks . (,Beam::least_squares
145 ,Beam::shift_region_to_valid
149 ;; TODO: should be in SLT.
150 (thickness . 0.48) ; in staff-space
151 (before-line-breaking-callback . ,Beam::before_line_breaking)
152 (after-line-breaking-callback . ,Beam::after_line_breaking)
153 (neutral-direction . -1)
154 (dir-function . ,beam-dir-majority-median)
156 ;; Whe have some unreferenced problems here.
158 ;; If we shorten beamed stems less than normal stems (1 staffspace),
159 ;; or high order less than 8th beams, patterns like
160 ;; c''4 [c''8 c''] c''4 [c''16 c]
161 ;; are ugly (different stem lengths).
163 ;; But if we shorten 16th beams as much as 8th beams, a single
164 ;; forced 16th beam looks *very* short.
166 ;; We choose to shorten 8th beams the same as single stems,
167 ;; and high order beams less than 8th beams, so that all
168 ;; isolated shortened beams look nice and a bit shortened,
169 ;; sadly possibly breaking patterns with high order beams.
170 (beamed-stem-shorten . (1.0 0.5 0.25))
172 (outer-stem-length-limit . 0.2)
174 (flag-width-function . ,beam-flag-width-function)
176 (auto-knee-gap . 5.5)
178 ;; only for debugging.
179 ; (font-name . "cmr10")
181 (space-function . ,Beam::space_function)
182 (meta . ((interfaces . (staff-symbol-referencer-interface beam-interface spanner-interface))))
190 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
191 (meta . ((interfaces . (break-alignment-interface item-interface axis-group-interface)))))
197 (X-offset-callbacks . (,Break_align_interface::alignment_callback))
198 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
199 (meta . ((interfaces . (break-aligned-interface item-interface axis-group-interface item-interface ))))
204 (break-align-symbol . breathing-sign)
207 (ambitus . (extra-space . 2.0))
208 (custos . (minimum-space . 1.0))
209 (key-signature . (minimum-space . 1.5))
210 (staff-bar . (minimum-space . 1.5))
211 (clef . (minimum-space . 2.0))
212 (first-note . (minimum-space . 1.0))
213 (right-edge . (extra-space . 0.1))
215 (molecule-callback . ,Text_item::brew_molecule)
216 (text . ,(make-musicglyph-markup "scripts-rcomma"))
217 (Y-offset-callbacks . (,Breathing_sign::offset_callback))
218 (break-visibility . ,begin-of-line-invisible)
219 (meta . ((interfaces . (break-aligned-interface breathing-sign-interface text-interface font-interface item-interface ))))
224 (molecule-callback . ,Clef::brew_molecule)
225 (before-line-breaking-callback . ,Clef::before_line_breaking)
227 (font-family . music)
228 (break-align-symbol . clef)
229 (break-visibility . ,begin-of-line-visible)
230 (space-alist . ((ambitus . (extra-space . 2.0))
231 (staff-bar . (extra-space . 0.7))
232 (key-signature . (minimum-space . 4.0))
233 (time-signature . (minimum-space . 4.2))
234 (first-note . (minimum-space . 5.0))
235 (next-note . (extra-space . 0.5))
236 (right-edge . (extra-space . 0.5))
238 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
239 (meta . ((interfaces . (clef-interface staff-symbol-referencer-interface font-interface break-aligned-interface item-interface ))))
242 (ClusterSpannerBeacon
244 (molecule-callback . #f)
245 (meta . ((interfaces . (cluster-beacon-interface item-interface))))
250 (molecule-callback . ,Cluster::brew_molecule)
251 (spacing-procedure . ,Spanner::set_spacing_rods)
252 (minimum-length . 0.0)
255 (meta . ((interfaces . (cluster-interface spanner-interface))))
260 (molecule-callback . ,Text_item::brew_molecule)
261 (after-line-breaking-callback . ,Chord_name::after_line_breaking)
264 (meta . ((interfaces . (font-interface rhythmic-grob-interface
265 text-interface chord-name-interface item-interface ))))
270 (break-align-symbol . custos)
272 (molecule-callback . ,Custos::brew_molecule)
273 (break-visibility . ,end-of-line-visible)
275 (neutral-position . 0)
276 (neutral-direction . -1)
277 (adjust-if-on-staffline . #t)
278 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
280 (first-note . (minimum-space . 0.0))
281 (right-edge . (extra-space . 0.1))
284 . (custos-interface staff-symbol-referencer-interface
286 break-aligned-interface item-interface ))))
294 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
295 (X-offset-callbacks . (,Dot_column::side_position))
296 (meta . ((interfaces . (dot-column-interface axis-group-interface item-interface ))))
301 (molecule-callback . ,Dots::brew_molecule)
303 (Y-offset-callbacks . (,Dots::quantised_position_callback ,Staff_symbol_referencer::callback))
304 (meta . ((interfaces . (font-interface staff-symbol-referencer-interface dots-interface item-interface ))))
307 (DoublePercentRepeat .
309 (molecule-callback . ,Percent_repeat_item_interface::double_percent)
312 (font-family . music)
315 (break-align-symbol . staff-bar)
316 (break-visibility . ,begin-of-line-invisible)
317 (meta . ((interfaces . (font-interface
318 break-aligned-interface
319 percent-repeat-interface item-interface ))))
324 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
325 (molecule-callback . ,Text_item::brew_molecule)
326 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self
327 ,Self_alignment_interface::centered_on_parent))
328 (self-alignment-X . 0)
329 (no-spacing-rods . #t)
330 (script-priority . 100)
332 (font-family . dynamic)
333 (font-shape . italic)
334 (self-alignment-Y . 0)
335 (meta . ((interfaces . (font-interface text-interface self-alignment-interface dynamic-interface script-interface item-interface ))))
341 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
342 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
344 (minimum-space . 1.2)
346 (meta . ((interfaces . (dynamic-interface axis-group-interface side-position-interface spanner-interface))))
351 (break-align-symbol . left-edge)
352 (X-extent-callback . ,Grob::point_dimension_callback)
355 (custos . (extra-space . 0.0))
356 (ambitus . (extra-space . 2.0))
357 (time-signature . (extra-space . 0.0))
358 (staff-bar . (extra-space . 0.0))
359 (breathing-sign . (minimum-space . 0.0))
360 (clef . (extra-space . 0.85))
361 (first-note . (extra-space . 1.0))
362 (right-edge . (extra-space . 0.0))
363 (key-signature . (extra-space . 0.0))
365 (meta . ((interfaces . (break-aligned-interface item-interface ))))
370 (molecule-callback . ,Text_item::brew_molecule)
372 (self-alignment-X . 0)
373 (self-alignment-Y . 0)
374 (script-priority . 100)
375 (font-family . number)
377 (font-shape . upright)
378 (meta . ((interfaces . (finger-interface font-interface text-script-interface text-interface side-position-interface self-alignment-interface item-interface ))))
382 (RemoveEmptyVerticalGroup
384 (Y-offset-callbacks . (,Hara_kiri_group_spanner::force_hara_kiri_callback))
385 (Y-extent-callback . ,Hara_kiri_group_spanner::y_extent)
388 (meta . ((interfaces . (axis-group-interface hara-kiri-group-interface item-interface spanner-interface))))
393 (molecule-callback . ,Hairpin::brew_molecule)
396 (spacing-procedure . ,Spanner::set_spacing_rods)
397 (minimum-length . 2.0)
398 (if-text-padding . 1.0)
399 (width-correct . -1.0)
401 (dash-thickness . 1.2)
403 (self-alignment-Y . 0)
404 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
405 (meta . ((interfaces . (hairpin-interface self-alignment-interface dynamic-interface spanner-interface))))
411 (molecule-callback . ,Horizontal_bracket::brew_molecule)
412 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
415 (meta . ((interfaces . (horizontal-bracket-interface side-position-interface spanner-interface))))
420 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self
421 ,Side_position_interface::aligned_on_support_refpoints))
422 ;; This direction is for aligned_on_support_refpoints
426 (left-edge . (extra-space . 1.0))
429 (self-alignment-Y . 0)
430 (molecule-callback . ,Text_item::brew_molecule)
431 (break-align-symbol . instrument-name)
432 (break-visibility . ,begin-of-line-visible)
434 (font-family . roman)
435 (meta . ((interfaces . (font-interface self-alignment-interface side-position-interface text-interface break-aligned-interface item-interface ))))
440 (molecule-callback . ,Key_signature_interface::brew_molecule)
442 (time-signature . (extra-space . 1.25))
443 (staff-bar . (extra-space . 1.1))
444 (right-edge . (extra-space . 0.5))
445 (first-note . (extra-space . 2.5))
447 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
448 (break-align-symbol . key-signature)
449 (break-visibility . ,begin-of-line-visible)
451 (meta . ((interfaces . (key-signature-interface font-interface break-aligned-interface item-interface ))))
456 (ligature-primitive-callback . ,Note_head::brew_molecule)
461 (edge-height . (0.7 . 0.7))
462 (shorten-pair . (-0.2 . -0.2))
463 (before-line-breaking-callback . ,Tuplet_bracket::before_line_breaking)
464 (after-line-breaking-callback . ,Tuplet_bracket::after_line_breaking)
465 (molecule-callback . ,Tuplet_bracket::brew_molecule)
466 (meta . ((interfaces . (tuplet-bracket-interface spanner-interface))))
473 (minimum-length . 0.5)
474 (maximum-length . 100)
475 (spacing-procedure . ,Hyphen_spanner::set_spacing_rods)
476 (molecule-callback . ,Hyphen_spanner::brew_molecule)
477 (Y-extent-callback . ,Grob::point_dimension_callback)
478 (meta . ((interfaces . (lyric-hyphen-interface spanner-interface))))
483 (molecule-callback . ,Lyric_extender::brew_molecule)
484 (height . 0.8) ; stafflinethickness;
485 (right-trim-amount . 0.5)
486 (Y-extent-callback . ,Grob::point_dimension_callback)
487 (meta . ((interfaces . (lyric-extender-interface spanner-interface))))
491 . ((molecule-callback . ,Text_item::brew_molecule)
492 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_parent))
493 (self-alignment-X . 0)
495 (ignore-length-mismatch . #f)
496 (begin-alignment . 4)
498 (font-family . roman)
499 (font-shape . upright)
501 (meta . ((interfaces . (rhythmic-grob-interface lyric-syllable-interface self-alignment-interface text-interface font-interface item-interface ))))
508 (ligature-primitive-callback . ,Mensural_ligature::brew_ligature_primitive)
509 (molecule-callback . ,Mensural_ligature::brew_molecule)
510 (meta . ((interfaces . (mensural-ligature-interface font-interface))))
515 (molecule-callback . ,Text_item::brew_molecule)
516 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
517 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
518 (self-alignment-X . 0)
522 (font-family . roman)
524 (break-visibility . ,end-of-line-invisible)
526 (meta . ((interfaces . (break-aligned-interface text-interface side-position-interface font-interface mark-interface self-alignment-interface item-interface ))))
530 (molecule-callback . ,Text_item::brew_molecule)
531 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
534 (font-family . roman)
535 (break-visibility . ,end-of-line-invisible)
537 (meta . ((interfaces . (text-interface side-position-interface font-interface metronome-mark-interface item-interface))))
541 (Y-offset-callbacks . (,Side_position_interface::out_of_staff
542 ,Side_position_interface::aligned_side))
543 (molecule-callback . ,Measure_grouping::brew_molecule)
549 (meta . ((interfaces . (spanner-interface side-position-interface measure-grouping-interface))))
553 (spacing-procedure . ,Multi_measure_rest::set_spacing_rods)
554 (molecule-callback . ,Multi_measure_rest::brew_molecule)
555 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
558 (thick-thickness . 6.6)
559 (hair-thickness . 2.0)
561 (meta . ((interfaces . (multi-measure-rest-interface rest-interface font-interface staff-symbol-referencer-interface))))
564 (MultiMeasureRestNumber
566 (molecule-callback . ,Text_item::brew_molecule)
567 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self
568 ,Self_alignment_interface::centered_on_other_axis_parent))
569 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
570 (self-alignment-X . 0)
573 (font-family . number)
574 (meta . ((interfaces . (side-position-interface self-alignment-interface font-interface spanner-interface text-interface))))
576 (MultiMeasureRestText
578 (molecule-callback . ,Text_item::brew_molecule)
579 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self
580 ,Self_alignment_interface::centered_on_other_axis_parent))
581 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
582 (self-alignment-X . 0)
585 (font-family . roman)
586 (meta . ((interfaces . (side-position-interface self-alignment-interface font-interface spanner-interface text-interface))))
591 ;; Ugh, should not be hard-coded.
593 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
594 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
595 (meta . ((interfaces . (note-collision-interface axis-group-interface item-interface ))))
601 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
602 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
603 (meta . ((interfaces . (axis-group-interface note-column-interface item-interface ))))
609 (molecule-callback . ,Note_head::brew_molecule)
610 (ligature-primitive-callback . ,Note_head::brew_molecule)
611 (glyph-name-procedure . ,find-notehead-symbol)
612 (X-extent-callback . ,Note_head::extent)
613 (Y-extent-callback . ,Note_head::extent)
614 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
615 (stem-attachment-function . ,note-head-style->attachment-coordinates)
616 (meta . ((interfaces . (rhythmic-grob-interface rhythmic-head-interface font-interface note-head-interface staff-symbol-referencer-interface item-interface ))))
623 (zigzag-width . 0.75)
625 (X-extent-callback . #f)
626 (Y-extent-callback . #f)
627 (after-line-breaking-callback . ,Line_spanner::after_line_breaking)
628 (molecule-callback . ,Line_spanner::brew_molecule)
629 (meta . ((interfaces . (line-spanner-interface spanner-interface))))
637 (X-extent-callback . #f)
638 (Y-extent-callback . #f)
639 (molecule-callback . ,Line_spanner::brew_molecule)
640 (after-line-breaking-callback . ,Line_spanner::after_line_breaking)
641 (meta . ((interfaces . (line-spanner-interface spanner-interface))))
646 (molecule-callback . ,Text_item::brew_molecule)
647 (font-family . roman)
648 (meta . ((interfaces . (note-name-interface text-interface font-interface item-interface ))))
653 (self-alignment-X . 0)
654 (break-visibility . ,begin-of-line-visible)
655 (X-offset-callbacks . (,Self_alignment_interface::centered_on_parent ,Self_alignment_interface::aligned_on_self))
656 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
657 (molecule-callback . ,Text_item::brew_molecule)
658 (font-shape . italic)
661 (font-family . roman)
662 (meta . ((interfaces . (text-interface self-alignment-interface side-position-interface font-interface item-interface ))))
668 (before-line-breaking-callback . ,Paper_column::before_line_breaking)
669 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
671 ; (molecule-callback . ,Paper_column::brew_molecule) (font-name . "cmr8") (Y-extent-callback . #f)
672 (meta . ((interfaces . (paper-column-interface axis-group-interface spaceable-grob-interface item-interface ))))
677 (molecule-callback . ,Slur::brew_molecule)
679 (spacing-procedure . ,Spanner::set_spacing_rods)
680 (minimum-length . 1.5)
681 (after-line-breaking-callback . ,Slur::after_line_breaking)
682 (extremity-rules . ,default-slur-extremity-rules)
683 (extremity-offset-alist . ,default-phrasing-slur-extremity-offset-alist)
684 (de-uglify-parameters . (1.5 0.8 -2.0))
685 (Y-extent-callback . ,Slur::height)
690 (attachment . (#f . #f))
691 (attachment-offset . ((0 . 0) . (0 . 0)))
693 (details . ((force-blowfit . 0.5)
694 (bezier-pct-c0 . -0.2) (bezier-pct-c3 . 0.000006)
695 (bezier-pct-out-max . 0.8) (bezier-pct-in-max . 1.2)
696 (bezier-area-steps . 1.0)))
697 (meta . ((interfaces . (slur-interface spanner-interface))))
700 (NonMusicalPaperColumn
703 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
704 (before-line-breaking-callback . ,Paper_column::before_line_breaking)
705 ;; debugging stuff: print column number.
706 ; (molecule-callback . ,Paper_column::brew_molecule) (font-name . "cmr8") (Y-extent-callback . #f)
709 (meta . ((interfaces . (paper-column-interface axis-group-interface spaceable-grob-interface item-interface ))))
714 (spacing-procedure . ,Multi_measure_rest::set_spacing_rods)
715 (molecule-callback . ,Multi_measure_rest::percent)
718 (minimum-width . 12.5) ; staffspace
719 (font-family . music)
720 (meta . ((interfaces . (multi-measure-rest-interface spanner-interface font-interface percent-repeat-interface))))
723 (PianoPedalBracket ;; an example of a text spanner
725 (molecule-callback . ,Text_spanner::brew_molecule)
726 (after-line-breaking-callback . ,Piano_pedal_bracket::after_line_breaking)
727 (font-family . roman)
729 (if-text-padding . 1.0)
731 (enclose-bounds . #t)
733 (bracket-flare . (0.5 . 0.5))
734 (edge-height . (1.0 . 1.0))
735 (shorten-pair . (0.0 . 0.0))
737 (meta . ((interfaces . (text-spanner-interface piano-pedal-interface piano-pedal-bracket-interface spanner-interface))))
742 (molecule-callback . ,Percent_repeat_item_interface::beat_slash)
745 (meta . ((interfaces . (percent-repeat-interface item-interface ))))
749 (after-line-breaking-callback . ,Rest::after_line_breaking)
750 (X-extent-callback . ,Rest::extent_callback)
751 (Y-extent-callback . ,Rest::extent_callback)
752 (molecule-callback . ,Rest::brew_molecule)
753 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
754 (minimum-beam-collision-distance . 0.75)
756 (interfaces . (font-interface
757 rhythmic-head-interface
758 rhythmic-grob-interface
760 staff-symbol-referencer-interface
761 rest-interface item-interface ))
766 (minimum-distance . 0.75)
767 (meta . ((interfaces . (rest-collision-interface item-interface ))))
772 ;; don't set direction here: it breaks staccato.
773 (molecule-callback . ,Script_interface::brew_molecule)
775 ;; This value is sensitive: if too large, staccato dots will move a
778 ;; (script-priority . 0) priorities for scripts, see script.scm
779 (X-offset-callbacks . (,Self_alignment_interface::centered_on_parent))
780 (before-line-breaking-callback . ,Script_interface::before_line_breaking)
781 (font-family . music)
782 (meta . ((interfaces . (script-interface side-position-interface font-interface item-interface ))))
787 (before-line-breaking-callback . ,Script_column::before_line_breaking)
788 (meta . ((interfaces . (script-column-interface item-interface ))))
793 (molecule-callback . ,Slur::brew_molecule)
795 (spacing-procedure . ,Spanner::set_spacing_rods)
796 (minimum-length . 1.5)
797 (after-line-breaking-callback . ,Slur::after_line_breaking)
798 (extremity-rules . ,default-slur-extremity-rules)
799 (extremity-offset-alist . ,default-slur-extremity-offset-alist)
800 (de-uglify-parameters . (1.5 0.8 -2.0))
801 (Y-extent-callback . ,Slur::height)
806 (attachment . (#f . #f))
807 (attachment-offset . ((0 . 0) . (0 . 0)))
809 (details . ((force-blowfit . 0.5)
810 (bezier-pct-c0 . -0.2) (bezier-pct-c3 . 0.000006)
811 (bezier-pct-out-max . 0.8) (bezier-pct-in-max . 1.2)
812 (bezier-area-steps . 1.0)))
813 (meta . ((interfaces . (slur-interface spanner-interface))))
818 (spacing-procedure . ,Spacing_spanner::set_springs)
819 (grace-space-factor . 0.6)
820 (shortest-duration-space . 2.0)
821 (spacing-increment . 1.2)
822 (base-shortest-duration . ,(ly:make-moment 1 8))
823 (meta . ((interfaces . (spacing-interface spacing-spanner-interface spanner-interface))))
828 (break-align-symbol . staff-bar)
829 (bar-size-procedure . ,Span_bar::get_bar_size)
830 (molecule-callback . ,Span_bar::brew_molecule)
831 (break-visibility . ,begin-of-line-invisible)
832 (X-extent-callback . ,Span_bar::width_callback)
833 (Y-extent-callback . ())
836 (before-line-breaking-callback . ,Span_bar::before_line_breaking)
840 ;; Ross. page 151 lists other values, we opt for a leaner look
844 (hair-thickness . 1.6)
845 (thick-thickness . 6.0)
846 (meta . ((interfaces . (span-bar-interface font-interface
847 bar-line-interface item-interface ))))
851 . ((molecule-callback . ,Text_item::brew_molecule)
852 (font-family . roman)
855 (X-offset-callbacks . (,Side_position_interface::aligned_side))
857 (meta . ((interfaces . (text-interface font-interface item-interface ))))
863 (stem-spacing-correction . 0.4)
865 (meta . ((interfaces . (spacing-interface staff-spacing-interface item-interface ))))
869 (stem-spacing-correction . 0.5)
871 ;; Changed this from 0.75.
872 ;; If you ever change this back, please document! --hwn
873 (knee-spacing-correction . 1.0)
875 (meta . ((interfaces . (spacing-interface note-spacing-interface item-interface ))))
880 (molecule-callback . ,Staff_symbol::brew_molecule)
883 (meta . ((interfaces . (staff-symbol-interface spanner-interface))))
888 (molecule-callback . ,Text_item::brew_molecule)
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-family . roman)
894 (font-shape . italic)
895 (self-alignment-X . 0)
896 (meta . ((interfaces . (text-interface self-alignment-interface font-interface item-interface))))
899 (SostenutoPedalLineSpanner
902 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
903 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
907 (minimum-space . 1.0)
909 (meta . ((interfaces . (piano-pedal-interface axis-group-interface side-position-interface spanner-interface))))
915 ;; this list is rather long. Trim --hwn
916 (before-line-breaking-callback . ,Stem::before_line_breaking)
917 (molecule-callback . ,Stem::brew_molecule)
920 ;; 3.5 (or 3 measured from note head) is standar length
921 ;; 32nd, 64th flagged stems should be longer
922 (lengths . (3.5 3.5 3.5 4.5 5.0))
924 ;; Stems in unnatural (forced) direction should be shortened by
925 ;; one staff space, according to [Roush & Gourlay].
926 ;; Flagged stems we shorten only half a staff space.
927 (stem-shorten . (1.0 0.5))
929 ;; default stem direction for note on middle line
930 (neutral-direction . -1)
932 ;; [Wanske]: standard length (but no shorter than minimum).
933 ;; (beamed-lengths . (3.5))
935 ;; FIXME. 3.5 yields too long beams (according to Ross and
936 ;; looking at Baerenreiter examples) for a number of common
937 ;; boundary cases. Subtracting half a beam thickness fixes
938 ;; this, but the bug may well be somewhere else.
939 (beamed-lengths . (3.26 3.26 1.5))
941 ;; [Wanske] lists three sets of minimum lengths. One
942 ;; set for the nomal case, and one set for beams with "der
943 ;; Balkenendpunkt weiter uber bzw. unter die Systemgrenze
944 ;; hinaus (bei Gruppen mit grossem Tonumfang)" and the extreme
947 ;; Note that Wanske lists numbers lengths starting from top of
948 ;; head, so we must add half a staff space.
950 ;; We use the normal minima as minimum for the ideal lengths,
951 ;; and the extreme minima as abolute minimum length.
953 ;; The 'normal' minima
954 (beamed-minimum-free-lengths . (1.83 1.5 1.25))
956 ;; The 'extreme case' minima
957 (beamed-extreme-minimum-free-lengths . (2.5 2.0 1.0))
959 (X-offset-callbacks . (,Stem::off_callback))
960 (X-extent-callback . ,Stem::dim_callback)
961 (Y-extent-callback . ,Stem::height)
962 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
963 (adjust-if-on-staffline . #t)
964 (font-family . music)
965 (meta . ((interfaces . (stem-interface font-interface item-interface ))))
970 (molecule-callback . ,Stem_tremolo::brew_molecule)
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 (meta . ((interfaces . (spacing-interface separation-item-interface item-interface ))))
984 (SeparatingGroupSpanner
986 (spacing-procedure . ,Separating_group_spanner::set_spacing_rods)
987 (meta . ((interfaces . (spacing-interface separation-spanner-interface spanner-interface))))
992 (no-spacing-rods . #t)
993 (molecule-callback . ,Sustain_pedal::brew_molecule)
994 (self-alignment-X . 0)
996 (padding . 0.0) ;; padding relative to SustainPedalLineSpanner
997 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
998 (meta . ((interfaces . (piano-pedal-interface text-spanner-interface text-interface self-alignment-interface font-interface item-interface))))
1001 (SustainPedalLineSpanner
1004 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1005 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1008 (minimum-space . 1.0)
1010 (meta . ((interfaces . (piano-pedal-interface axis-group-interface side-position-interface spanner-interface))))
1016 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
1017 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1018 (meta . ((interfaces . (system-interface axis-group-interface spanner-interface))))
1024 (molecule-callback . ,System_start_delimiter::brew_molecule)
1025 (collapse-height . 5.0)
1026 (font-family . braces)
1027 (Y-extent-callback . #f)
1028 (meta . ((interfaces . (system-start-delimiter-interface font-interface))))
1033 (Y-extent-callback . #f)
1034 (molecule-callback . ,System_start_delimiter::brew_molecule)
1040 (bracket-collapse-height . 1)
1042 (meta . ((interfaces . (system-start-delimiter-interface spanner-interface))))
1047 (Y-extent-callback . #f)
1048 (molecule-callback . ,System_start_delimiter::brew_molecule)
1049 (glyph . "bar-line")
1051 (after-line-breaking-callback . ,System_start_delimiter::after_line_breaking)
1052 (meta . ((interfaces . (system-start-delimiter-interface spanner-interface))))
1057 (molecule-callback . ,Text_item::brew_molecule)
1058 (no-spacing-rods . #t)
1059 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
1062 (script-priority . 200)
1063 ;; todo: add X self alignment?
1065 (font-family . roman)
1066 (meta . ((interfaces . (text-script-interface text-interface side-position-interface font-interface item-interface ))))
1071 (molecule-callback . ,Text_spanner::brew_molecule)
1072 (font-family . roman)
1073 (style . dashed-line)
1075 ;; urg, only for (de)cresc. text spanners
1076 (if-text-padding . 1.0)
1077 (width-correct . -1)
1078 (dash-fraction . 0.2)
1081 (meta . ((interfaces . (text-spanner-interface side-position-interface font-interface spanner-interface))))
1086 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1087 (molecule-callback . ,Text_spanner::brew_molecule)
1088 (font-family . roman)
1089 (enclose-bounds . #t)
1090 (width-correct . 0.0)
1091 (style . dashed-line)
1092 (dash-fraction . 0.3)
1093 (edge-height . (0 . 1.5))
1095 (meta . ((interfaces . (text-spanner-interface side-position-interface font-interface spanner-interface))))
1100 (font-family . roman)
1102 (molecule-callback . ,Text_item::brew_molecule)
1103 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
1104 (extra-offset . (0 . -0.65)) ;; UGH! TODO: Clean this up!
1105 (stem-attachment-function . ,tablature-stem-attachment-function)
1106 (meta . ((interfaces
1107 . (rhythmic-head-interface
1109 note-head-interface staff-symbol-referencer-interface
1110 text-interface item-interface ))))
1116 (molecule-callback . ,Tie::brew_molecule)
1117 (spacing-procedure . ,Spanner::set_spacing_rods)
1118 (staffline-clearance . 0.35)
1119 (details . ((ratio . 0.333) (height-limit . 1.0)))
1123 (minimum-length . 2.5)
1124 (meta . ((interfaces . (tie-interface spanner-interface))))
1129 (after-line-breaking-callback . ,Tie_column::after_line_breaking)
1130 (X-extent-callback . ())
1131 (Yoo-extent-callback . ())
1132 (meta . ((interfaces . (tie-column-interface spanner-interface))))
1137 (molecule-callback . ,Time_signature::brew_molecule)
1138 ; (molecule-callback . ,Text_item::brew_molecule)
1139 (break-align-symbol . time-signature)
1140 (break-visibility . ,all-visible)
1142 (first-note . (extra-space . 2.0))
1143 (right-edge . (extra-space . 0.5))
1144 (staff-bar . (minimum-space . 2.0))
1148 ; (text . (,time-signature-glue-markup))
1149 (font-family . number)
1150 (meta . ((interfaces . (time-signature-interface break-aligned-interface font-interface item-interface ))))
1158 (edge-height . (0.7 . 0.7))
1159 (shorten-pair . (-0.2 . -0.2))
1160 (before-line-breaking-callback . ,Tuplet_bracket::before_line_breaking)
1161 (after-line-breaking-callback . ,Tuplet_bracket::after_line_breaking)
1162 (molecule-callback . ,Tuplet_bracket::brew_molecule)
1163 (font-family . roman)
1164 (font-shape . italic)
1165 (font-series . bold)
1168 (meta . ((interfaces . (text-interface tuplet-bracket-interface font-interface spanner-interface))))
1173 (molecule-callback . ,Text_item::brew_molecule)
1174 (font-family . roman)
1175 (font-shape . italic)
1176 (no-spacing-rods . #t)
1177 (self-alignment-X . 0)
1179 (padding . 0.0) ;; padding relative to UnaCordaPedalLineSpanner
1180 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
1181 (meta . ((interfaces . (text-interface self-alignment-interface font-interface item-interface ))))
1184 (UnaCordaPedalLineSpanner
1187 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1188 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1191 (minimum-space . 1.0)
1193 (meta . ((interfaces . (piano-pedal-interface axis-group-interface side-position-interface spanner-interface))))
1200 (ligature-primitive-callback . ,Vaticana_ligature::brew_ligature_primitive)
1201 (molecule-callback . ,Vaticana_ligature::brew_molecule)
1202 (meta . ((interfaces . (vaticana-ligature-interface font-interface))))
1207 (molecule-callback . ,Volta_bracket_interface::brew_molecule)
1210 (font-family . number)
1211 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1212 (thickness . 1.6) ; stafflinethickness
1213 (height . 2.0) ; staffspace;
1215 (font-family . number)
1217 (meta . ((interfaces . (volta-bracket-interface text-interface side-position-interface font-interface spanner-interface))))
1223 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1224 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
1226 (meta . ((interfaces . (align-interface axis-group-interface spanner-interface))))
1232 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1233 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
1235 (meta . ((interfaces . (axis-group-interface spanner-interface))))
1243 (define (completize-grob-entry x)
1244 "transplant assoc key into 'name entry of 'meta of X
1246 (let* ((name-sym (car x))
1247 (grob-entry (cdr x))
1248 (metaentry (cdr (assoc 'meta grob-entry)))
1250 (cdr (assoc 'interfaces metaentry)))
1253 (set! metaentry (assoc-set! metaentry 'name name-sym))
1254 (set! metaentry (assoc-set! metaentry 'interfaces
1255 (cons 'grob-interface ifaces-entry)))
1256 (set! grob-entry (assoc-set! grob-entry 'meta metaentry))
1257 (cons name-sym grob-entry)))
1259 (set! all-grob-descriptions (map completize-grob-entry all-grob-descriptions))
1263 ; (display (map pair? all-grob-descriptions))
1266 ;; make sure that \property Foo.Bar =\turnOff doesn't complain
1269 ; (display (car x)) (newline)
1271 (set-object-property! (car x) 'translation-type? list?)
1272 (set-object-property! (car x) 'is-grob? #t))
1273 all-grob-descriptions)
1276 (set! all-grob-descriptions (sort all-grob-descriptions alist<?))