1 ;;;; grob-description.scm -- part of generated backend documentation
3 ;;;; source file of the GNU LilyPond music typesetter
5 ;;;; (c) 1998--2002 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 (first-note . (extra-space . 1.3))
81 (right-edge . (extra-space . 0.0))
85 ;; Ross. page 151 lists other values, we opt for a leaner look
89 (hair-thickness . 1.6)
90 (thick-thickness . 6.0)
91 (meta . ((interfaces . (bar-line-interface item-interface break-aligned-interface font-interface))))
97 (molecule-callback . ,Text_item::brew_molecule)
99 (break-visibility . ,begin-of-line-visible)
102 (font-family . roman)
103 (font-relative-size . -1)
104 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
105 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
106 (self-alignment-X . 1)
107 (extra-offset . (1.3 . 0))
109 ((interfaces . (side-position-interface
111 self-alignment-interface
112 font-interface item-interface break-aligned-interface))))
118 (molecule-callback . ,brew-new-markup-molecule)
119 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
121 (font-family . number)
122 (font-relative-size . -1)
124 (meta . ((interfaces . (text-interface rhythmic-grob-interface
125 bass-figure-interface item-interface
126 self-alignment-interface font-interface))))
130 ;; todo: clean this up a bit: the list is getting
132 (molecule-callback . ,Beam::brew_molecule)
133 (concaveness-gap . 2.0)
134 (concaveness-threshold . 0.08)
135 (positions . (#f . #f))
136 (position-callbacks . (,Beam::least_squares
139 ,Beam::shift_region_to_valid
143 ;; TODO: should be in SLT.
144 (thickness . 0.48) ; in staff-space
145 (before-line-breaking-callback . ,Beam::before_line_breaking)
146 (after-line-breaking-callback . ,Beam::after_line_breaking)
147 (neutral-direction . -1)
148 (dir-function . ,beam-dir-majority-median)
150 ;; Whe have some unreferenced problems here.
152 ;; If we shorten beamed stems less than normal stems (1 staffspace),
153 ;; or high order less than 8th beams, patterns like
154 ;; c''4 [c''8 c''] c''4 [c''16 c]
155 ;; are ugly (different stem lengths).
157 ;; But if we shorten 16th beams as much as 8th beams, a single
158 ;; forced 16th beam looks *very* short.
160 ;; We choose to shorten 8th beams the same as single stems,
161 ;; and high order beams less than 8th beams, so that all
162 ;; isolated shortened beams look nice and a bit shortened,
163 ;; sadly possibly breaking patterns with high order beams.
164 (beamed-stem-shorten . (1.0 0.5 0.25))
166 (outer-stem-length-limit . 0.2)
168 (flag-width-function . ,beam-flag-width-function)
170 (auto-knee-gap . 5.5)
171 (font-name . "cmr10")
172 (space-function . ,Beam::space_function)
173 (meta . ((interfaces . (staff-symbol-referencer-interface beam-interface spanner-interface))))
181 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
182 (meta . ((interfaces . (break-alignment-interface item-interface axis-group-interface)))))
188 (X-offset-callbacks . (,Break_align_interface::alignment_callback))
189 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
190 (meta . ((interfaces . (break-aligned-interface item-interface axis-group-interface item-interface ))))
195 (break-align-symbol . breathing-sign)
198 (ambitus . (extra-space . 2.0))
199 (key-signature . (minimum-space . 1.5))
200 (staff-bar . (minimum-space . 1.5))
201 (clef . (minimum-space . 2.0))
202 (first-note . (minimum-space . 1.0))
204 (molecule-callback . ,Text_item::brew_molecule)
206 (font-family . music)
207 (text . "scripts-rcomma")
208 (Y-offset-callbacks . (,Breathing_sign::offset_callback))
209 (break-visibility . ,begin-of-line-invisible)
210 (meta . ((interfaces . (break-aligned-interface breathing-sign-interface text-interface font-interface item-interface ))))
215 (molecule-callback . ,Clef::brew_molecule)
216 (before-line-breaking-callback . ,Clef::before_line_breaking)
218 (font-family . music)
219 (break-align-symbol . clef)
220 (break-visibility . ,begin-of-line-visible)
222 (ambitus . (extra-space . 2.0))
223 (staff-bar . (minimum-space . 3.7))
224 (key-signature . (minimum-space . 4.0))
225 (time-signature . (minimum-space . 4.2))
226 (first-note . (minimum-space . 5.0))
227 (next-note . (extra-space . 0.5))
228 (right-edge . (extra-space . 0.5))
230 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
231 (meta . ((interfaces . (clef-interface staff-symbol-referencer-interface font-interface break-aligned-interface item-interface ))))
236 (molecule-callback . ,Cluster::brew_molecule)
237 (spacing-procedure . ,Spanner::set_spacing_rods)
238 (minimum-length . 0.0)
240 (shape . leftsided-stairs)
241 (meta . ((interfaces . (cluster-interface spanner-interface))))
246 (molecule-callback . ,new-chord-name-brew-molecule)
247 (after-line-breaking-callback . ,Chord_name::after_line_breaking)
249 (font-family . roman)
250 (meta . ((interfaces . (font-interface rhythmic-grob-interface
251 text-interface chord-name-interface item-interface ))))
256 (break-align-symbol . custos)
258 (molecule-callback . ,Custos::brew_molecule)
259 (break-visibility . ,end-of-line-visible)
261 (neutral-position . 0)
262 (neutral-direction . -1)
263 (adjust-if-on-staffline . #t)
264 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
265 (font-family . ancient)
267 (first-note . (minimum-space . 0.0))
268 (right-edge . (extra-space . 0.1))
271 . (custos-interface staff-symbol-referencer-interface
273 break-aligned-interface item-interface ))))
281 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
282 (X-offset-callbacks . (,Dot_column::side_position))
283 (meta . ((interfaces . (dot-column-interface axis-group-interface item-interface ))))
288 (molecule-callback . ,Dots::brew_molecule)
290 (Y-offset-callbacks . (,Dots::quantised_position_callback ,Staff_symbol_referencer::callback))
291 (meta . ((interfaces . (font-interface staff-symbol-referencer-interface dots-interface item-interface ))))
294 (DoublePercentRepeat .
296 (molecule-callback . ,Percent_repeat_item_interface::double_percent)
299 (font-family . music)
302 (break-align-symbol . staff-bar)
303 (break-visibility . ,begin-of-line-invisible)
304 (meta . ((interfaces . (font-interface
305 break-aligned-interface
306 percent-repeat-interface item-interface ))))
311 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
312 (molecule-callback . ,Text_item::brew_molecule)
313 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self
314 ,Self_alignment_interface::centered_on_parent))
315 (self-alignment-X . 0)
316 (no-spacing-rods . #t)
317 (script-priority . 100)
319 (font-family . dynamic)
320 (font-shape . italic)
321 (self-alignment-Y . 0)
322 (meta . ((interfaces . (font-interface text-interface self-alignment-interface dynamic-interface script-interface item-interface ))))
328 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
329 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
331 (minimum-space . 1.2)
333 (meta . ((interfaces . (dynamic-interface axis-group-interface side-position-interface spanner-interface))))
338 (break-align-symbol . left-edge)
339 (X-extent-callback . ,Grob::point_dimension_callback)
342 (custos . (extra-space . 0.0))
343 (ambitus . (extra-space . 2.0))
344 (time-signature . (extra-space . 0.0))
345 (staff-bar . (extra-space . 0.0))
346 (breathing-sign . (minimum-space . 0.0))
347 (clef . (extra-space . 1.0))
348 (first-note . (extra-space . 1.0))
349 (right-edge . (extra-space . 0.0))
350 (key-signature . (extra-space . 0.0))
352 (meta . ((interfaces . (break-aligned-interface item-interface ))))
357 (molecule-callback . ,Text_item::brew_molecule)
360 (self-alignment-X . 0)
361 (self-alignment-Y . 0)
362 (script-priority . 100)
363 (font-family . number)
364 (font-relative-size . -3)
365 (font-shape . upright)
366 (meta . ((interfaces . (finger-interface font-interface text-script-interface text-interface side-position-interface self-alignment-interface item-interface ))))
370 (HaraKiriVerticalGroup
372 (Y-offset-callbacks . (,Hara_kiri_group_spanner::force_hara_kiri_callback))
373 (Y-extent-callback . ,Hara_kiri_group_spanner::y_extent)
375 (meta . ((interfaces . (axis-group-interface hara-kiri-group-interface item-interface spanner-interface))))
380 (molecule-callback . ,Hairpin::brew_molecule)
383 (spacing-procedure . ,Spanner::set_spacing_rods)
384 (minimum-length . 2.0)
385 (if-text-padding . 1.0)
386 (width-correct . -1.0)
388 (dash-thickness . 1.2)
390 (self-alignment-Y . 0)
391 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
392 (meta . ((interfaces . (hairpin-interface self-alignment-interface dynamic-interface spanner-interface))))
398 (molecule-callback . ,Horizontal_bracket::brew_molecule)
399 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
402 (meta . ((interfaces . (horizontal-bracket-interface side-position-interface spanner-interface))))
407 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self
408 ,Side_position_interface::aligned_on_support_refpoints))
409 ;; huh? what's this for?
412 (left-edge . (extra-space . 1.0))
415 (self-alignment-Y . 0)
416 (molecule-callback . ,Text_item::brew_molecule)
417 (break-align-symbol . instrument-name)
418 (break-visibility . ,begin-of-line-visible)
420 (font-family . roman)
421 (meta . ((interfaces . (font-interface self-alignment-interface side-position-interface text-interface break-aligned-interface item-interface ))))
426 (molecule-callback . ,Key_signature_interface::brew_molecule)
428 (time-signature . (extra-space . 1.25))
429 (staff-bar . (extra-space . 1.1))
430 (right-edge . (extra-space . 0.5))
431 (first-note . (extra-space . 2.5))
433 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
434 (break-align-symbol . key-signature)
435 (break-visibility . ,begin-of-line-visible)
437 (meta . ((interfaces . (key-signature-interface font-interface break-aligned-interface item-interface ))))
442 (ligature-primitive-callback . ,Note_head::brew_molecule)
447 (edge-widen . (0.0 . 0.0))
448 (edge-height . (0.7 . 0.7))
449 (shorten-pair . (-0.2 . -0.2))
450 (before-line-breaking-callback . ,Tuplet_bracket::before_line_breaking)
451 (after-line-breaking-callback . ,Tuplet_bracket::after_line_breaking)
452 (molecule-callback . ,Tuplet_bracket::brew_molecule)
453 (meta . ((interfaces . (tuplet-bracket-interface spanner-interface))))
458 (ligature-primitive-callback . ,Note_head::brew_molecule)
459 (molecule-callback . ,Ligature_head::brew_molecule)
460 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
461 (stem-attachment-function . ,note-head-style->attachment-coordinates)
462 (font-family . ancient)
464 (glyph-name-procedure . ,find-notehead-symbol)
465 (meta . ((interfaces . (ligature-head-interface rhythmic-head-interface
466 rhythmic-grob-interface
468 note-head-interface staff-symbol-referencer-interface))))
475 (minimum-length . 0.5)
476 (maximum-length . 100)
477 (molecule-callback . ,Hyphen_spanner::brew_molecule)
478 (Y-extent-callback . ,Grob::point_dimension_callback)
479 (meta . ((interfaces . (lyric-hyphen-interface spanner-interface))))
484 (molecule-callback . ,Lyric_extender::brew_molecule)
485 (height . 0.8) ; stafflinethickness;
486 (right-trim-amount . 0.5)
487 (Y-extent-callback . ,Grob::point_dimension_callback)
488 (meta . ((interfaces . (lyric-extender-interface spanner-interface))))
493 (molecule-callback . ,Text_item::brew_molecule)
494 (X-offset-callbacks . (,Self_alignment_interface::centered_on_parent
495 ,Self_alignment_interface::aligned_on_self))
496 (self-alignment-X . 0)
498 (ignore-length-mismatch . #f)
499 (begin-alignment . 4)
501 (font-family . roman)
502 (font-shape . upright)
504 ;; duh, side-position-interface?
505 (meta . ((interfaces . (rhythmic-grob-interface lyric-syllable-interface self-alignment-interface text-interface font-interface item-interface ))))
512 (ligature-primitive-callback . ,Mensural_ligature::brew_ligature_primitive)
513 (molecule-callback . ,Mensural_ligature::brew_molecule)
514 (font-family . ancient)
515 (meta . ((interfaces . (mensural-ligature-interface font-interface))))
521 (auto-properties . #f)
527 (molecule-callback . ,Porrectus::brew_molecule)
528 (meta . ((interfaces . (porrectus-interface))))
533 (molecule-callback . ,Text_item::brew_molecule)
534 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
535 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
536 (self-alignment-X . 0)
540 (font-family . roman)
542 (break-visibility . ,end-of-line-invisible)
544 (meta . ((interfaces . (text-interface side-position-interface font-interface mark-interface self-alignment-interface item-interface ))))
549 (Y-offset-callbacks . (,Side_position_interface::out_of_staff
550 ,Side_position_interface::aligned_side))
551 (molecule-callback . ,Measure_grouping::brew_molecule)
557 (meta . ((interfaces . (spanner-interface side-position-interface measure-grouping-interface))))
561 (spacing-procedure . ,Multi_measure_rest::set_spacing_rods)
562 (molecule-callback . ,Multi_measure_rest::brew_molecule)
563 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
566 (thick-thickness . 6.6)
567 (hair-thickness . 2.0)
569 (meta . ((interfaces . (multi-measure-rest-interface rest-interface font-interface staff-symbol-referencer-interface spanner-interface))))
572 (MultiMeasureRestNumber
574 (molecule-callback . ,brew-new-markup-molecule)
575 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self
576 ,Self_alignment_interface::centered_on_other_axis_parent))
577 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
578 (self-alignment-X . 0)
581 (font-family . number)
582 (meta . ((interfaces . (side-position-interface self-alignment-interface font-interface spanner-interface text-interface))))
589 ;; Ugh, should not be hard-coded.
591 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
592 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
593 (meta . ((interfaces . (note-collision-interface axis-group-interface item-interface ))))
599 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
600 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
601 (meta . ((interfaces . (axis-group-interface note-column-interface item-interface ))))
607 (molecule-callback . ,Note_head::brew_molecule)
608 (glyph-name-procedure . ,find-notehead-symbol)
609 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
610 (stem-attachment-function . ,note-head-style->attachment-coordinates)
611 (meta . ((interfaces . (rhythmic-grob-interface rhythmic-head-interface font-interface note-head-interface staff-symbol-referencer-interface item-interface ))))
618 (zigzag-width . 0.75)
620 (X-extent-callback . #f)
621 (Y-extent-callback . #f)
622 (molecule-callback . ,Line_spanner::brew_molecule)
623 (meta . ((interfaces . (line-spanner-interface spanner-interface))))
631 (X-extent-callback . #f)
632 (Y-extent-callback . #f)
633 (molecule-callback . ,Line_spanner::brew_molecule)
634 (meta . ((interfaces . (line-spanner-interface spanner-interface))))
639 (molecule-callback . ,Text_item::brew_molecule)
640 (font-family . roman)
641 (meta . ((interfaces . (note-name-interface text-interface font-interface item-interface ))))
646 (self-alignment-X . 0)
648 (break-visibility . ,begin-of-line-visible)
649 (X-offset-callbacks . (,Self_alignment_interface::centered_on_parent ,Self_alignment_interface::aligned_on_self))
650 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
651 (molecule-callback . ,Text_item::brew_molecule)
652 (font-shape . italic)
654 (font-relative-size . -2)
655 (font-family . roman)
656 (meta . ((interfaces . (text-interface self-alignment-interface side-position-interface font-interface item-interface ))))
662 (before-line-breaking-callback . ,Paper_column::before_line_breaking)
663 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
665 ; (molecule-callback . ,Paper_column::brew_molecule) (font-name . "cmr8") (Y-extent-callback . #f)
666 (meta . ((interfaces . (paper-column-interface axis-group-interface spaceable-grob-interface item-interface ))))
671 (molecule-callback . ,Slur::brew_molecule)
673 (spacing-procedure . ,Spanner::set_spacing_rods)
674 (minimum-length . 1.5)
675 (after-line-breaking-callback . ,Slur::after_line_breaking)
676 (extremity-rules . ,default-slur-extremity-rules)
677 (extremity-offset-alist . ,default-phrasing-slur-extremity-offset-alist)
678 (de-uglify-parameters . (1.5 0.8 -2.0))
679 (Y-extent-callback . ,Slur::height)
684 (attachment . (#f . #f))
685 (attachment-offset . ((0 . 0) . (0 . 0)))
687 (details . ((force-blowfit . 0.5)
688 (bezier-pct-c0 . -0.2) (bezier-pct-c3 . 0.000006)
689 (bezier-pct-out-max . 0.8) (bezier-pct-in-max . 1.2)
690 (bezier-area-steps . 1.0)))
691 (meta . ((interfaces . (slur-interface spanner-interface))))
694 (NonMusicalPaperColumn
697 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
698 (before-line-breaking-callback . ,Paper_column::before_line_breaking)
699 ;; debugging stuff: print column number.
700 ; (molecule-callback . ,Paper_column::brew_molecule) (font-name . "cmr8") (Y-extent-callback . #f)
703 (meta . ((interfaces . (paper-column-interface axis-group-interface spaceable-grob-interface item-interface ))))
708 (spacing-procedure . ,Multi_measure_rest::set_spacing_rods)
709 (molecule-callback . ,Multi_measure_rest::percent)
712 (minimum-width . 12.5) ; staffspace
713 (font-family . music)
714 (meta . ((interfaces . (multi-measure-rest-interface spanner-interface font-interface percent-repeat-interface))))
717 (PianoPedalBracket ;; an example of a text spanner
719 (molecule-callback . ,Text_spanner::brew_molecule)
720 (font-family . roman)
722 (if-text-padding . 1.0)
726 (edge-widen . (0.5 . 0.5))
727 (edge-height . (1.0 . 1.0))
728 (shorten-pair . (0.0 . 0.0))
730 (meta . ((interfaces . (text-spanner-interface piano-pedal-interface spanner-interface))))
735 (molecule-callback . , Percent_repeat_item_interface::beat_slash)
738 (meta . ((interfaces . (percent-repeat-interface item-interface ))))
742 (after-line-breaking-callback . ,Rest::after_line_breaking)
743 (X-extent-callback . ,Rest::extent_callback)
744 (Y-extent-callback . ,Rest::extent_callback)
745 (molecule-callback . ,Rest::brew_molecule)
746 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
747 (minimum-beam-collision-distance . 0.75)
749 (interfaces . (font-interface
750 rhythmic-head-interface
751 rhythmic-grob-interface
753 staff-symbol-referencer-interface
754 rest-interface item-interface ))
759 (minimum-distance . 0.75)
760 (meta . ((interfaces . (rest-collision-interface item-interface ))))
765 ;; don't set direction here: it breaks staccato.
766 (molecule-callback . ,Script_interface::brew_molecule)
768 ;; This value is sensitive: if too large, staccato dots will move a
771 ;; (script-priority . 0) priorities for scripts, see script.scm
772 (X-offset-callbacks . (,Self_alignment_interface::centered_on_parent))
773 (before-line-breaking-callback . ,Script_interface::before_line_breaking)
774 (font-family . music)
775 (meta . ((interfaces . (script-interface side-position-interface font-interface item-interface ))))
780 (before-line-breaking-callback . ,Script_column::before_line_breaking)
781 (meta . ((interfaces . (script-column-interface item-interface ))))
786 (molecule-callback . ,Slur::brew_molecule)
788 (spacing-procedure . ,Spanner::set_spacing_rods)
789 (minimum-length . 1.5)
790 (after-line-breaking-callback . ,Slur::after_line_breaking)
791 (extremity-rules . ,default-slur-extremity-rules)
792 (extremity-offset-alist . ,default-slur-extremity-offset-alist)
793 (de-uglify-parameters . (1.5 0.8 -2.0))
794 (Y-extent-callback . ,Slur::height)
799 (attachment . (#f . #f))
800 (attachment-offset . ((0 . 0) . (0 . 0)))
802 (details . ((force-blowfit . 0.5)
803 (bezier-pct-c0 . -0.2) (bezier-pct-c3 . 0.000006)
804 (bezier-pct-out-max . 0.8) (bezier-pct-in-max . 1.2)
805 (bezier-area-steps . 1.0)))
806 (meta . ((interfaces . (slur-interface spanner-interface))))
811 (spacing-procedure . ,Spacing_spanner::set_springs)
812 (grace-space-factor . 0.6)
813 (shortest-duration-space . 2.0)
814 (spacing-increment . 1.2)
815 (base-shortest-duration . ,(ly:make-moment 1 8))
816 (meta . ((interfaces . (spacing-interface spacing-spanner-interface spanner-interface))))
821 (break-align-symbol . staff-bar)
822 (bar-size-procedure . ,Span_bar::get_bar_size)
823 (molecule-callback . ,Span_bar::brew_molecule)
824 (break-visibility . ,begin-of-line-invisible)
825 (X-extent-callback . ,Span_bar::width_callback)
826 (Y-extent-callback . ())
829 (before-line-breaking-callback . ,Span_bar::before_line_breaking)
833 ;; Ross. page 151 lists other values, we opt for a leaner look
837 (hair-thickness . 1.6)
838 (thick-thickness . 6.0)
839 (meta . ((interfaces . (span-bar-interface font-interface
840 bar-line-interface item-interface ))))
846 (molecule-callback . ,Text_item::brew_molecule)
847 (break-align-symbol . clef)
848 (break-visibility . ,begin-of-line-visible)
849 (font-family . roman)
850 (meta . ((interfaces . (break-aligned-interface text-interface font-interface item-interface ))))
856 (stem-spacing-correction . 0.4)
857 (knee-spacing-correction . 0.75)
858 (meta . ((interfaces . (spacing-interface staff-spacing-interface item-interface ))))
862 (stem-spacing-correction . 0.5)
863 (knee-spacing-correction . 0.75)
864 (meta . ((interfaces . (spacing-interface note-spacing-interface item-interface ))))
869 (molecule-callback . ,Staff_symbol::brew_molecule)
872 (meta . ((interfaces . (staff-symbol-interface spanner-interface))))
877 (molecule-callback . ,Text_item::brew_molecule)
879 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
880 (no-spacing-rods . #t)
881 (padding . 0.0) ;; padding relative to SostenutoPedalLineSpanner
883 (font-family . roman)
884 (font-shape . italic)
885 (self-alignment-X . 0)
886 (meta . ((interfaces . (text-interface self-alignment-interface font-interface item-interface))))
889 (SostenutoPedalLineSpanner
892 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
893 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
897 (minimum-space . 1.0)
899 (meta . ((interfaces . (piano-pedal-interface axis-group-interface side-position-interface spanner-interface))))
904 (before-line-breaking-callback . ,Stem::before_line_breaking)
905 (molecule-callback . ,Stem::brew_molecule)
908 ;; 3.5 (or 3 measured from note head) is standar length
909 ;; 32nd, 64th flagged stems should be longer
910 (lengths . (3.5 3.5 3.5 4.5 5.0))
912 ;; Stems in unnatural (forced) direction should be shortened by
913 ;; one staff space, according to [Roush & Gourlay].
914 ;; Flagged stems we shorten only half a staff space.
915 (stem-shorten . (1.0 0.5))
917 ;; default stem direction for note on middle line
918 (neutral-direction . -1)
920 ;; [Wanske]: standard length (but no shorter than minimum).
921 ;; (beamed-lengths . (3.5))
923 ;; FIXME. 3.5 yields too long beams (according to Ross and
924 ;; looking at Baerenreiter examples) for a number of common
925 ;; boundary cases. Subtracting half a beam thickness fixes
926 ;; this, but the bug may well be somewhere else.
927 (beamed-lengths . (3.26))
929 ;; [Wanske] lists three sets of minimum lengths. One
930 ;; set for the nomal case, and one set for beams with `der
931 ;; Balkenendpunkt weiter "uber bzw. unter die Systemgrenze
932 ;; hinaus (bei Gruppen mit grossem Tonumfang)' and the extreme
935 ;; Note that Wanske lists numbers lengths starting from top of
936 ;; head, so we must add half a staff space.
938 ;; We use the normal minima as minimum for the ideal lengths,
939 ;; and the extreme minima as abolute minimum length.
941 ;; The 'normal' minima
942 (beamed-minimum-free-lengths . (2.5 2.0 1.5))
944 ;; The 'far outside staff' minima, not used
945 ;(beamed-far-minimum-free-lengths . (1.83))
947 ;; The 'extreme case' minima
948 (beamed-extreme-minimum-free-lengths . (1.83 1.5))
950 (X-offset-callbacks . (,Stem::off_callback))
951 (X-extent-callback . ,Stem::dim_callback)
952 (Y-extent-callback . ,Stem::height)
953 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
954 (adjust-if-on-staffline . #t)
955 (font-family . music)
956 (avoid-note-head . #f)
958 (meta . ((interfaces . (stem-interface font-interface item-interface ))))
963 (molecule-callback . ,Stem_tremolo::brew_molecule)
964 (Y-extent-callback . ,Stem_tremolo::height)
965 (X-extent-callback . #f)
967 (beam-width . 1.6) ; staff-space
968 (beam-thickness . 0.48) ; staff-space
969 (meta . ((interfaces . (stem-tremolo-interface item-interface ))))
974 (meta . ((interfaces . (spacing-interface separation-item-interface item-interface ))))
977 (SeparatingGroupSpanner
979 (spacing-procedure . ,Separating_group_spanner::set_spacing_rods)
980 (meta . ((interfaces . (spacing-interface separation-spanner-interface spanner-interface))))
985 (no-spacing-rods . #t)
986 (molecule-callback . ,Sustain_pedal::brew_molecule)
987 (self-alignment-X . 0)
989 (padding . 0.0) ;; padding relative to SustainPedalLineSpanner
991 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
992 (meta . ((interfaces . (piano-pedal-interface text-spanner-interface text-interface self-alignment-interface font-interface item-interface))))
995 (SustainPedalLineSpanner
998 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
999 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1002 (minimum-space . 1.0)
1004 (meta . ((interfaces . (piano-pedal-interface axis-group-interface side-position-interface spanner-interface))))
1010 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
1011 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1012 (meta . ((interfaces . (system-interface axis-group-interface spanner-interface))))
1018 (molecule-callback . ,System_start_delimiter::brew_molecule)
1019 (collapse-height . 5.0)
1020 (font-family . braces)
1021 (Y-extent-callback . #f)
1022 (meta . ((interfaces . (system-start-delimiter-interface font-interface))))
1027 (Y-extent-callback . #f)
1028 (molecule-callback . ,System_start_delimiter::brew_molecule)
1034 (bracket-collapse-height . 1)
1036 (meta . ((interfaces . (system-start-delimiter-interface spanner-interface))))
1041 (Y-extent-callback . #f)
1042 (molecule-callback . ,System_start_delimiter::brew_molecule)
1043 (glyph . "bar-line")
1045 (after-line-breaking-callback . ,System_start_delimiter::after_line_breaking)
1046 (meta . ((interfaces . (system-start-delimiter-interface spanner-interface))))
1051 (molecule-callback . ,Text_item::brew_molecule)
1052 (no-spacing-rods . #t)
1053 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
1056 (script-priority . 200)
1057 ;; todo: add X self alignment?
1059 (font-family . roman)
1060 (meta . ((interfaces . (text-script-interface text-interface side-position-interface font-interface item-interface ))))
1065 (molecule-callback . ,Text_spanner::brew_molecule)
1066 (font-family . roman)
1069 ;; urg, only for (de)cresc. text spanners
1070 (if-text-padding . 1.0)
1071 (width-correct . -1)
1074 (meta . ((interfaces . (text-spanner-interface side-position-interface font-interface spanner-interface))))
1079 (font-family . roman)
1081 (molecule-callback . ,tablature-molecule-callback)
1082 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
1083 (extra-offset . (0 . -0.65)) ;; UGH! TODO: Clean this up!
1084 (stem-attachment-function . ,tablature-stem-attachment-function)
1085 (meta . ((interfaces
1086 . (rhythmic-head-interface
1088 note-head-interface staff-symbol-referencer-interface
1089 text-interface item-interface ))))
1095 (molecule-callback . ,Tie::brew_molecule)
1096 (spacing-procedure . ,Spanner::set_spacing_rods)
1097 (staffline-clearance . 0.35)
1098 (details . ((ratio . 0.333) (height-limit . 1.0)))
1102 (minimum-length . 2.5)
1103 (meta . ((interfaces . (tie-interface spanner-interface))))
1108 (after-line-breaking-callback . ,Tie_column::after_line_breaking)
1109 (X-extent-callback . ())
1110 (Yoo-extent-callback . ())
1111 (meta . ((interfaces . (tie-column-interface spanner-interface))))
1116 (molecule-callback . ,Time_signature::brew_molecule)
1117 (break-align-symbol . time-signature)
1118 (break-visibility . ,all-visible)
1120 (first-note . (extra-space . 2.0))
1121 (right-edge . (extra-space . 0.5))
1122 (staff-bar . (minimum-space . 2.0))
1126 (font-family . number)
1127 (meta . ((interfaces . (time-signature-interface break-aligned-interface font-interface item-interface ))))
1135 (edge-widen . (0.0 . 0.0))
1136 (edge-height . (0.7 . 0.7))
1137 (shorten-pair . (-0.2 . -0.2))
1138 (before-line-breaking-callback . ,Tuplet_bracket::before_line_breaking)
1139 (after-line-breaking-callback . ,Tuplet_bracket::after_line_breaking)
1140 (molecule-callback . ,Tuplet_bracket::brew_molecule)
1141 (font-family . roman)
1142 (font-shape . italic)
1144 (font-relative-size . -1)
1145 (meta . ((interfaces . (text-interface tuplet-bracket-interface font-interface spanner-interface))))
1150 (molecule-callback . ,Text_item::brew_molecule)
1151 (font-family . roman)
1152 (font-shape . italic)
1153 (no-spacing-rods . #t)
1154 (self-alignment-X . 0)
1157 (padding . 0.0) ;; padding relative to UnaCordaPedalLineSpanner
1158 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
1159 (meta . ((interfaces . (text-interface self-alignment-interface font-interface item-interface ))))
1162 (UnaCordaPedalLineSpanner
1165 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1166 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1169 (minimum-space . 1.0)
1171 (meta . ((interfaces . (piano-pedal-interface axis-group-interface side-position-interface spanner-interface))))
1178 (ligature-primitive-callback . ,Vaticana_ligature::brew_ligature_primitive)
1179 (molecule-callback . ,Vaticana_ligature::brew_molecule)
1180 (font-family . ancient)
1181 (meta . ((interfaces . (mensural-ligature-interface font-interface))))
1186 (molecule-callback . ,Volta_bracket_interface::brew_molecule)
1189 (font-style . volta)
1190 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1191 (thickness . 1.6) ; stafflinethickness
1192 (height . 2.0) ; staffspace;
1194 (font-family . number)
1195 (font-relative-size . -2)
1196 (meta . ((interfaces . (volta-bracket-interface text-interface side-position-interface font-interface spanner-interface))))
1202 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1204 (meta . ((interfaces . (align-interface axis-group-interface spanner-interface))))
1210 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1212 (meta . ((interfaces . (axis-group-interface spanner-interface))))
1220 (define (completize-grob-entry x)
1221 "transplant assoc key into 'name entry of 'meta of X
1223 (let* ((name-sym (car x))
1224 (grob-entry (cdr x))
1225 (metaentry (cdr (assoc 'meta grob-entry)))
1227 (cdr (assoc 'interfaces metaentry)))
1230 (set! metaentry (assoc-set! metaentry 'name name-sym))
1231 (set! metaentry (assoc-set! metaentry 'interfaces
1232 (cons 'grob-interface ifaces-entry)))
1233 (set! grob-entry (assoc-set! grob-entry 'meta metaentry))
1234 (cons name-sym grob-entry)))
1236 (set! all-grob-descriptions (map completize-grob-entry all-grob-descriptions))
1240 ; (display (map pair? all-grob-descriptions))
1243 ;; make sure that \property Foo.Bar =\turnOff doesn't complain
1246 ; (display (car x)) (newline)
1248 (set-object-property! (car x) 'translation-type? list?)
1249 (set-object-property! (car x) 'is-grob? #t))
1250 all-grob-descriptions)
1253 (set! all-grob-descriptions (sort all-grob-descriptions alist<?))