1 ;;;; grob-description.scm -- part of generated backend documentation
3 ;;;; source file of the GNU LilyPond music typesetter
5 ;;;; (c) 1998--20.301 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 . smaller)
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))
84 ;; Ross. page 151 lists other values, we opt for a leaner look
88 (hair-thickness . 1.6)
89 (thick-thickness . 6.0)
90 (meta . ((interfaces . (bar-line-interface item-interface break-aligned-interface font-interface))))
96 (molecule-callback . ,Text_item::brew_molecule)
98 (break-visibility . ,begin-of-line-visible)
101 (font-family . roman)
102 (font-relative-size . -1)
103 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
104 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
105 (self-alignment-X . 1)
106 (extra-offset . (1.3 . 0))
108 ((interfaces . (side-position-interface
110 self-alignment-interface
111 font-interface item-interface break-aligned-interface))))
117 (molecule-callback . ,brew-bass-figure)
118 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
120 (font-family . number)
121 (font-relative-size . -1)
125 (meta . ((interfaces . (text-interface bass-figure-interface item-interface self-alignment-interface font-interface))))
129 ;; todo: clean this up a bit: the list is getting
131 (molecule-callback . ,Beam::brew_molecule)
132 (concaveness-gap . 2.0)
133 (concaveness-threshold . 0.08)
134 (positions . (#f . #f))
135 (position-callbacks . (,Beam::least_squares
138 ,Beam::shift_region_to_valid
142 ;; TODO: should be in SLT.
143 (thickness . 0.48) ; in staff-space
144 (before-line-breaking-callback . ,Beam::before_line_breaking)
145 (after-line-breaking-callback . ,Beam::after_line_breaking)
146 (neutral-direction . -1)
147 (dir-function . ,beam-dir-majority-median)
149 ;; Whe have some unreferenced problems here.
151 ;; If we shorten beamed stems less than normal stems (1 staffspace),
152 ;; or high order less than 8th beams, patterns like
153 ;; c''4 [c''8 c''] c''4 [c''16 c]
154 ;; are ugly (different stem lengths).
156 ;; But if we shorten 16th beams as much as 8th beams, a single
157 ;; forced 16th beam looks *very* short.
159 ;; We choose to shorten 8th beams the same as single stems,
160 ;; and high order beams less than 8th beams, so that all
161 ;; isolated shortened beams look nice and a bit shortened,
162 ;; sadly possibly breaking patterns with high order beams.
163 (beamed-stem-shorten . (1.0 0.5 0.25))
165 (outer-stem-length-limit . 0.2)
167 (flag-width-function . ,beam-flag-width-function)
169 (auto-knee-gap . 5.5)
170 (font-name . "cmr10")
171 (space-function . ,Beam::space_function)
172 (meta . ((interfaces . (staff-symbol-referencer-interface beam-interface spanner-interface))))
180 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
181 (meta . ((interfaces . (break-alignment-interface item-interface axis-group-interface)))))
187 (X-offset-callbacks . (,Break_align_interface::alignment_callback))
188 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
189 (meta . ((interfaces . (break-aligned-interface item-interface axis-group-interface item-interface ))))
194 (break-align-symbol . breathing-sign)
197 (ambitus . (extra-space . 2.0))
198 (key-signature . (minimum-space . 1.5))
199 (staff-bar . (minimum-space . 1.5))
200 (clef . (minimum-space . 2.0))
201 (first-note . (minimum-space . 1.0))
203 (molecule-callback . ,Text_item::brew_molecule)
205 (font-family . music)
206 (text . "scripts-rcomma")
207 (Y-offset-callbacks . (,Breathing_sign::offset_callback))
208 (break-visibility . ,begin-of-line-invisible)
209 (meta . ((interfaces . (break-aligned-interface breathing-sign-interface text-interface font-interface item-interface ))))
214 (molecule-callback . ,Clef::brew_molecule)
215 (before-line-breaking-callback . ,Clef::before_line_breaking)
217 (font-family . music)
218 (break-align-symbol . clef)
219 (break-visibility . ,begin-of-line-visible)
221 (ambitus . (extra-space . 2.0))
222 (staff-bar . (minimum-space . 3.7))
223 (key-signature . (minimum-space . 4.0))
224 (time-signature . (minimum-space . 4.2))
225 (first-note . (minimum-space . 5.0))
226 (next-note . (extra-space . 0.5))
228 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
229 (meta . ((interfaces . (clef-interface staff-symbol-referencer-interface font-interface break-aligned-interface item-interface ))))
234 (molecule-callback . ,Chord_name::brew_molecule)
235 (after-line-breaking-callback . ,Chord_name::after_line_breaking)
236 (chord-name-function . ,default-chord-name-function)
237 (font-family . roman)
238 (meta . ((interfaces . (font-interface text-interface chord-name-interface item-interface ))))
243 (break-align-symbol . custos)
245 (molecule-callback . ,Custos::brew_molecule)
246 (break-visibility . ,end-of-line-visible)
248 (neutral-position . 0)
249 (neutral-direction . -1)
250 (adjust-if-on-staffline . #t)
251 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
252 (font-family . ancient)
254 (first-note . (minimum-space . 0.0))
257 . (custos-interface staff-symbol-referencer-interface
259 break-aligned-interface item-interface ))))
267 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
268 (X-offset-callbacks . (,Dot_column::side_position))
269 (meta . ((interfaces . (dot-column-interface axis-group-interface item-interface ))))
274 (molecule-callback . ,Dots::brew_molecule)
276 (Y-offset-callbacks . (,Dots::quantised_position_callback ,Staff_symbol_referencer::callback))
277 (meta . ((interfaces . (font-interface staff-symbol-referencer-interface dots-interface item-interface ))))
280 (DoublePercentRepeat .
282 (molecule-callback . ,Percent_repeat_item_interface::double_percent)
285 (font-family . music)
288 (break-align-symbol . staff-bar)
289 (break-visibility . ,begin-of-line-invisible)
290 (meta . ((interfaces . (font-interface
291 break-aligned-interface
292 percent-repeat-interface item-interface ))))
297 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
298 (molecule-callback . ,Text_item::brew_molecule)
299 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self
300 ,Self_alignment_interface::centered_on_parent))
301 (self-alignment-X . 0)
302 (no-spacing-rods . #t)
303 (script-priority . 100)
305 (font-family . dynamic)
306 (font-shape . italic)
307 (self-alignment-Y . 0)
308 (meta . ((interfaces . (font-interface text-interface self-alignment-interface dynamic-interface script-interface item-interface ))))
314 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
315 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
317 (minimum-space . 1.2)
319 (meta . ((interfaces . (dynamic-interface axis-group-interface side-position-interface spanner-interface))))
324 (break-align-symbol . left-edge)
325 (X-extent-callback . ,Grob::point_dimension_callback)
328 (custos . (extra-space . 0.0))
329 (ambitus . (extra-space . 2.0))
330 (time-signature . (extra-space . 0.0))
331 (staff-bar . (extra-space . 0.0))
332 (breathing-sign . (minimum-space . 0.0))
333 (clef . (extra-space . 1.0))
334 (first-note . (extra-space . 1.0))
335 (key-signature . (extra-space . 0.0))
337 (meta . ((interfaces . (break-aligned-interface item-interface ))))
342 (molecule-callback . ,Text_item::brew_molecule)
343 (X-offset-callbacks . (,Self_alignment_interface::centered_on_parent
344 ,Self_alignment_interface::aligned_on_self))
347 (self-alignment-X . 0)
348 (self-alignment-Y . 0)
349 (script-priority . 100)
350 (font-family . number)
351 (font-relative-size . -3)
352 (font-shape . upright)
353 (meta . ((interfaces . (finger-interface font-interface text-script-interface text-interface side-position-interface self-alignment-interface item-interface ))))
357 (HaraKiriVerticalGroup
359 (Y-offset-callbacks . (,Hara_kiri_group_spanner::force_hara_kiri_callback))
360 (Y-extent-callback . ,Hara_kiri_group_spanner::y_extent)
362 (meta . ((interfaces . (axis-group-interface hara-kiri-group-interface item-interface spanner-interface))))
367 (molecule-callback . ,Hairpin::brew_molecule)
370 (spacing-procedure . ,Spanner::set_spacing_rods)
371 (minimum-length . 2.0)
372 (if-text-padding . 1.0)
373 (width-correct . -1.0)
375 (dash-thickness . 1.2)
377 (self-alignment-Y . 0)
378 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
379 (meta . ((interfaces . (hairpin-interface self-alignment-interface dynamic-interface spanner-interface))))
385 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self
386 ,Side_position_interface::aligned_on_support_refpoints))
387 ;; huh? what's this for?
390 (left-edge . (extra-space . 1.0))
393 (self-alignment-Y . 0)
394 (molecule-callback . ,Text_item::brew_molecule)
395 (break-align-symbol . instrument-name)
396 (break-visibility . ,begin-of-line-visible)
398 (font-family . roman)
399 (meta . ((interfaces . (font-interface self-alignment-interface side-position-interface text-interface break-aligned-interface item-interface ))))
404 (molecule-callback . ,Key_signature_interface::brew_molecule)
406 (time-signature . (extra-space . 1.25))
407 (staff-bar . (extra-space . 1.1))
408 (first-note . (extra-space . 2.5))
410 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
411 (break-align-symbol . key-signature)
412 (break-visibility . ,begin-of-line-visible)
414 (meta . ((interfaces . (key-signature-interface font-interface break-aligned-interface item-interface ))))
419 (molecule-callback . ,Ligature_bracket::brew_molecule)
420 (meta . ((interfaces . (ligature-interface))))
427 (ligature-primitive-callback . ,Note_head::brew_molecule)
428 (molecule-callback . ,Ligature_bracket::brew_molecule)
429 (meta . ((interfaces . (ligature-bracket-interface spanner-interface))))
434 (ligature-primitive-callback . ,Note_head::brew_molecule)
435 (molecule-callback . ,Ligature_head::brew_molecule)
436 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
437 (stem-attachment-function . ,note-head-style->attachment-coordinates)
438 (font-family . ancient)
440 (glyph-name-procedure . ,find-notehead-symbol)
441 (meta . ((interfaces . (ligature-head-interface rhythmic-head-interface
443 note-head-interface staff-symbol-referencer-interface))))
450 (minimum-length . 0.5)
451 (maximum-length . 100)
452 (molecule-callback . ,Hyphen_spanner::brew_molecule)
453 (Y-extent-callback . ,Grob::point_dimension_callback)
454 (meta . ((interfaces . (lyric-hyphen-interface spanner-interface))))
459 (molecule-callback . ,Lyric_extender::brew_molecule)
460 (height . 0.8) ; stafflinethickness;
461 (right-trim-amount . 0.5)
462 (Y-extent-callback . ,Grob::point_dimension_callback)
463 (meta . ((interfaces . (lyric-extender-interface spanner-interface))))
468 (molecule-callback . ,Text_item::brew_molecule)
469 (X-offset-callbacks . (,Self_alignment_interface::centered_on_parent
470 ,Self_alignment_interface::aligned_on_self))
471 (self-alignment-X . 0)
473 (ignore-length-mismatch . #f)
474 (begin-alignment . 4)
476 (font-family . roman)
477 (font-shape . upright)
479 ;; duh, side-position-interface?
480 (meta . ((interfaces . (lyric-syllable-interface self-alignment-interface text-interface font-interface item-interface ))))
487 (ligature-primitive-callback . ,Mensural_ligature::brew_ligature_primitive)
488 (molecule-callback . ,Mensural_ligature::brew_molecule)
489 (font-family . ancient)
490 (meta . ((interfaces . (mensural-ligature-interface font-interface))))
496 (auto-properties . #f)
502 (molecule-callback . ,Porrectus::brew_molecule)
503 (meta . ((interfaces . (porrectus-interface))))
508 (molecule-callback . ,Text_item::brew_molecule)
509 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
510 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
511 (self-alignment-X . 0)
515 (font-family . roman)
517 (break-visibility . ,end-of-line-invisible)
519 (meta . ((interfaces . (text-interface side-position-interface font-interface mark-interface self-alignment-interface item-interface ))))
524 (spacing-procedure . ,Multi_measure_rest::set_spacing_rods)
525 (molecule-callback . ,Multi_measure_rest::brew_molecule)
526 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
529 (number-threshold . 1)
532 (font-family . number)
534 (meta . ((interfaces . (multi-measure-rest-interface rest-interface font-interface staff-symbol-referencer-interface spanner-interface))))
540 ;; Ugh, should not be hard-coded.
542 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
543 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
544 (meta . ((interfaces . (note-collision-interface axis-group-interface item-interface ))))
550 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
551 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
552 (meta . ((interfaces . (axis-group-interface note-column-interface item-interface ))))
558 (molecule-callback . ,Note_head::brew_molecule)
559 (glyph-name-procedure . ,find-notehead-symbol)
560 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
561 (stem-attachment-function . ,note-head-style->attachment-coordinates)
562 (meta . ((interfaces . (rhythmic-head-interface font-interface note-head-interface staff-symbol-referencer-interface item-interface ))))
570 (X-extent-callback . #f)
571 (Y-extent-callback . #f)
572 (molecule-callback . ,Line_spanner::brew_molecule)
573 (meta . ((interfaces . (line-spanner-interface spanner-interface))))
581 (X-extent-callback . #f)
582 (Y-extent-callback . #f)
583 (molecule-callback . ,Line_spanner::brew_molecule)
584 (meta . ((interfaces . (line-spanner-interface spanner-interface))))
589 (molecule-callback . ,Text_item::brew_molecule)
590 (font-family . roman)
591 (meta . ((interfaces . (note-name-interface text-interface font-interface item-interface ))))
596 (self-alignment-X . 0)
598 (break-visibility . ,begin-of-line-visible)
599 (X-offset-callbacks . (,Self_alignment_interface::centered_on_parent ,Self_alignment_interface::aligned_on_self))
600 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
601 (molecule-callback . ,Text_item::brew_molecule)
602 (font-shape . italic)
604 (font-relative-size . -2)
605 (font-family . roman)
606 (meta . ((interfaces . (text-interface self-alignment-interface side-position-interface font-interface item-interface ))))
612 (before-line-breaking-callback . ,Paper_column::before_line_breaking)
613 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
615 ; (molecule-callback . ,Paper_column::brew_molecule) (font-name . "cmr8") (Y-extent-callback . #f)
616 (meta . ((interfaces . (paper-column-interface axis-group-interface spaceable-grob-interface item-interface ))))
621 (molecule-callback . ,Slur::brew_molecule)
623 (spacing-procedure . ,Spanner::set_spacing_rods)
624 (minimum-length . 1.5)
625 (after-line-breaking-callback . ,Slur::after_line_breaking)
626 (extremity-rules . ,default-slur-extremity-rules)
627 (extremity-offset-alist . ,default-phrasing-slur-extremity-offset-alist)
628 (de-uglify-parameters . (1.5 0.8 -2.0))
629 (Y-extent-callback . ,Slur::height)
634 (attachment . (#f . #f))
635 (attachment-offset . ((0 . 0) . (0 . 0)))
637 (details . ((force-blowfit . 0.5)
638 (bezier-pct-c0 . -0.2) (bezier-pct-c3 . 0.000006)
639 (bezier-pct-out-max . 0.8) (bezier-pct-in-max . 1.2)
640 (bezier-area-steps . 1.0)))
641 (meta . ((interfaces . (slur-interface spanner-interface))))
644 (NonMusicalPaperColumn
647 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
648 (before-line-breaking-callback . ,Paper_column::before_line_breaking)
649 ;; debugging stuff: print column number.
650 ; (molecule-callback . ,Paper_column::brew_molecule) (font-name . "cmr8") (Y-extent-callback . #f)
653 (meta . ((interfaces . (paper-column-interface axis-group-interface spaceable-grob-interface item-interface ))))
658 (spacing-procedure . ,Multi_measure_rest::set_spacing_rods)
659 (molecule-callback . ,Multi_measure_rest::percent)
662 (minimum-width . 12.5) ; staffspace
663 (font-family . music)
664 (meta . ((interfaces . (multi-measure-rest-interface spanner-interface font-interface percent-repeat-interface))))
667 (PianoPedalBracket ;; an example of a text spanner
669 (molecule-callback . ,Text_spanner::brew_molecule)
670 (font-family . roman)
672 (if-text-padding . 1.0)
676 (edge-widen . (0.5 . 0.5))
677 (edge-height . (1.0 . 1.0))
678 (shorten-pair . (0.0 . 0.0))
680 (meta . ((interfaces . (text-spanner-interface piano-pedal-interface spanner-interface))))
685 (molecule-callback . , Percent_repeat_item_interface::beat_slash)
688 (meta . ((interfaces . (percent-repeat-interface item-interface ))))
692 (after-line-breaking-callback . ,Rest::after_line_breaking)
693 (X-extent-callback . ,Rest::extent_callback)
694 (Y-extent-callback . ,Rest::extent_callback)
695 (molecule-callback . ,Rest::brew_molecule)
696 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
697 (minimum-beam-collision-distance . 1.5)
699 (interfaces . (font-interface
700 rhythmic-head-interface
701 staff-symbol-referencer-interface
702 rest-interface item-interface ))
707 (minimum-distance . 0.75)
708 (meta . ((interfaces . (rest-collision-interface item-interface ))))
713 ;; don't set direction here: it breaks staccato.
714 (molecule-callback . ,Script_interface::brew_molecule)
716 ;; This value is sensitive: if too large, staccato dots will move a
719 ;; (script-priority . 0) priorities for scripts, see script.scm
720 (X-offset-callbacks . (,Self_alignment_interface::centered_on_parent))
721 (before-line-breaking-callback . ,Script_interface::before_line_breaking)
722 (font-family . music)
723 (meta . ((interfaces . (script-interface side-position-interface font-interface item-interface ))))
728 (before-line-breaking-callback . ,Script_column::before_line_breaking)
729 (meta . ((interfaces . (script-column-interface item-interface ))))
734 (molecule-callback . ,Slur::brew_molecule)
736 (spacing-procedure . ,Spanner::set_spacing_rods)
737 (minimum-length . 1.5)
738 (after-line-breaking-callback . ,Slur::after_line_breaking)
739 (extremity-rules . ,default-slur-extremity-rules)
740 (extremity-offset-alist . ,default-slur-extremity-offset-alist)
741 (de-uglify-parameters . (1.5 0.8 -2.0))
742 (Y-extent-callback . ,Slur::height)
747 (attachment . (#f . #f))
748 (attachment-offset . ((0 . 0) . (0 . 0)))
750 (details . ((force-blowfit . 0.5)
751 (bezier-pct-c0 . -0.2) (bezier-pct-c3 . 0.000006)
752 (bezier-pct-out-max . 0.8) (bezier-pct-in-max . 1.2)
753 (bezier-area-steps . 1.0)))
754 (meta . ((interfaces . (slur-interface spanner-interface))))
759 (spacing-procedure . ,Spacing_spanner::set_springs)
760 (grace-space-factor . 0.6)
761 (shortest-duration-space . 2.0)
762 (spacing-increment . 1.2)
763 (base-shortest-duration . ,(make-moment 1 8))
764 (meta . ((interfaces . (spacing-interface spacing-spanner-interface spanner-interface))))
769 (break-align-symbol . staff-bar)
770 (bar-size-procedure . ,Span_bar::get_bar_size)
771 (molecule-callback . ,Span_bar::brew_molecule)
772 (break-visibility . ,begin-of-line-invisible)
773 (X-extent-callback . ,Span_bar::width_callback)
774 (Y-extent-callback . ())
777 (before-line-breaking-callback . ,Span_bar::before_line_breaking)
781 ;; Ross. page 151 lists other values, we opt for a leaner look
785 (hair-thickness . 1.6)
786 (thick-thickness . 6.0)
787 (meta . ((interfaces . (span-bar-interface font-interface
788 bar-line-interface item-interface ))))
794 (molecule-callback . ,Text_item::brew_molecule)
795 (break-align-symbol . clef)
796 (break-visibility . ,begin-of-line-visible)
797 (font-family . roman)
798 (meta . ((interfaces . (break-aligned-interface text-interface font-interface item-interface ))))
804 (stem-spacing-correction . 0.4)
805 (knee-spacing-correction . 0.75)
806 (meta . ((interfaces . (spacing-interface staff-spacing-interface item-interface ))))
810 (stem-spacing-correction . 0.5)
811 (knee-spacing-correction . 0.75)
812 (meta . ((interfaces . (spacing-interface note-spacing-interface item-interface ))))
817 (molecule-callback . ,Staff_symbol::brew_molecule)
820 (meta . ((interfaces . (staff-symbol-interface spanner-interface))))
825 (molecule-callback . ,Text_item::brew_molecule)
827 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
828 (no-spacing-rods . #t)
829 (padding . 0.0) ;; padding relative to SostenutoPedalLineSpanner
831 (font-family . roman)
832 (font-shape . italic)
833 (self-alignment-X . 0)
834 (meta . ((interfaces . (text-interface self-alignment-interface font-interface item-interface))))
837 (SostenutoPedalLineSpanner
840 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
841 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
845 (minimum-space . 1.0)
847 (meta . ((interfaces . (piano-pedal-interface axis-group-interface side-position-interface spanner-interface))))
852 (before-line-breaking-callback . ,Stem::before_line_breaking)
853 (molecule-callback . ,Stem::brew_molecule)
856 ;; 3.5 (or 3 measured from note head) is standar length
857 ;; 32nd, 64th flagged stems should be longer
858 (lengths . (3.5 3.5 3.5 4.5 5.0))
860 ;; Stems in unnatural (forced) direction should be shortened by
861 ;; one staff space, according to [Roush & Gourlay].
862 ;; Flagged stems we shorten only half a staff space.
863 (stem-shorten . (1.0 0.5))
865 ;; default stem direction for note on middle line
866 (neutral-direction . -1)
868 ;; [Wanske]: standard length (but no shorter than minimum).
869 ;; (beamed-lengths . (3.5))
871 ;; FIXME. 3.5 yields too long beams (according to Ross and
872 ;; looking at Baerenreiter examples) for a number of common
873 ;; boundary cases. Subtracting half a beam thickness fixes
874 ;; this, but the bug may well be somewhere else.
875 (beamed-lengths . (3.26))
877 ;; [Wanske] lists three sets of minimum lengths. One
878 ;; set for the nomal case, and one set for beams with `der
879 ;; Balkenendpunkt weiter "uber bzw. unter die Systemgrenze
880 ;; hinaus (bei Gruppen mit grossem Tonumfang)' and the extreme
883 ;; Note that Wanske lists numbers lengths starting from top of
884 ;; head, so we must add half a staff space.
886 ;; We use the normal minima as minimum for the ideal lengths,
887 ;; and the extreme minima as abolute minimum length.
889 ;; The 'normal' minima
890 (beamed-minimum-free-lengths . (2.5 2.0 1.5))
892 ;; The 'far outside staff' minima, not used
893 ;(beamed-far-minimum-free-lengths . (1.83))
895 ;; The 'extreme case' minima
896 (beamed-extreme-minimum-free-lengths . (1.83 1.5))
898 (X-offset-callbacks . (,Stem::off_callback))
899 (X-extent-callback . ,Stem::dim_callback)
900 (Y-extent-callback . ,Stem::height)
901 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
902 (adjust-if-on-staffline . #t)
903 (font-family . music)
904 (avoid-note-head . #f)
906 (meta . ((interfaces . (stem-interface font-interface item-interface ))))
911 (molecule-callback . ,Stem_tremolo::brew_molecule)
912 (Y-extent-callback . ,Stem_tremolo::height)
913 (X-extent-callback . #f)
915 (beam-width . 1.6) ; staff-space
916 (beam-thickness . 0.48) ; staff-space
917 (meta . ((interfaces . (stem-tremolo-interface item-interface ))))
922 (meta . ((interfaces . (spacing-interface separation-item-interface item-interface ))))
925 (SeparatingGroupSpanner
927 (spacing-procedure . ,Separating_group_spanner::set_spacing_rods)
928 (meta . ((interfaces . (spacing-interface separation-spanner-interface spanner-interface))))
933 (no-spacing-rods . #t)
934 (molecule-callback . ,Sustain_pedal::brew_molecule)
935 (self-alignment-X . 0)
937 (padding . 0.0) ;; padding relative to SustainPedalLineSpanner
939 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
940 (meta . ((interfaces . (piano-pedal-interface text-spanner-interface text-interface self-alignment-interface font-interface item-interface))))
943 (SustainPedalLineSpanner
946 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
947 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
950 (minimum-space . 1.0)
952 (meta . ((interfaces . (piano-pedal-interface axis-group-interface side-position-interface spanner-interface))))
958 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
959 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
960 (meta . ((interfaces . (system-interface axis-group-interface spanner-interface))))
966 (molecule-callback . ,System_start_delimiter::brew_molecule)
967 (collapse-height . 5.0)
968 (font-family . braces)
969 (Y-extent-callback . #f)
970 (meta . ((interfaces . (system-start-delimiter-interface font-interface))))
975 (Y-extent-callback . #f)
976 (molecule-callback . ,System_start_delimiter::brew_molecule)
982 (bracket-collapse-height . 1)
984 (meta . ((interfaces . (system-start-delimiter-interface spanner-interface))))
989 (Y-extent-callback . #f)
990 (molecule-callback . ,System_start_delimiter::brew_molecule)
993 (after-line-breaking-callback . ,System_start_delimiter::after_line_breaking)
994 (meta . ((interfaces . (system-start-delimiter-interface spanner-interface))))
999 (molecule-callback . ,Text_item::brew_molecule)
1000 (no-spacing-rods . #t)
1001 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
1004 (script-priority . 200)
1005 ;; todo: add X self alignment?
1007 (font-family . roman)
1008 (meta . ((interfaces . (text-script-interface text-interface side-position-interface font-interface item-interface ))))
1013 (molecule-callback . ,Text_spanner::brew_molecule)
1014 (font-family . roman)
1017 ;; urg, only for (de)cresc. text spanners
1018 (if-text-padding . 1.0)
1019 (width-correct . -1)
1022 (meta . ((interfaces . (text-spanner-interface side-position-interface font-interface spanner-interface))))
1027 (font-family . roman)
1029 (molecule-callback . ,tablature-molecule-callback)
1030 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
1031 (extra-offset . (0 . -0.65)) ;; UGH! TODO: Clean this up!
1032 (stem-attachment-function . ,tablature-stem-attachment-function)
1033 (meta . ((interfaces
1034 . (rhythmic-head-interface
1036 note-head-interface staff-symbol-referencer-interface
1037 text-interface item-interface ))))
1043 (molecule-callback . ,Tie::brew_molecule)
1044 (spacing-procedure . ,Spanner::set_spacing_rods)
1045 (staffline-clearance . 0.35)
1046 (details . ((ratio . 0.333) (height-limit . 1.0)))
1050 (minimum-length . 2.5)
1051 (meta . ((interfaces . (tie-interface spanner-interface))))
1056 (after-line-breaking-callback . ,Tie_column::after_line_breaking)
1057 (X-extent-callback . ())
1058 (Yoo-extent-callback . ())
1059 (meta . ((interfaces . (tie-column-interface spanner-interface))))
1064 (molecule-callback . ,Time_signature::brew_molecule)
1065 (break-align-symbol . time-signature)
1066 (break-visibility . ,all-visible)
1068 (first-note . (extra-space . 2.0))
1069 (staff-bar . (minimum-space . 2.0))
1073 (font-family . number)
1074 (meta . ((interfaces . (time-signature-interface break-aligned-interface font-interface item-interface ))))
1082 (edge-widen . (0.0 . 0.0))
1083 (edge-height . (0.7 . 0.7))
1084 (shorten-pair . (-0.2 . -0.2))
1085 (before-line-breaking-callback . ,Tuplet_bracket::before_line_breaking)
1086 (after-line-breaking-callback . ,Tuplet_bracket::after_line_breaking)
1087 (molecule-callback . ,Tuplet_bracket::brew_molecule)
1088 (font-family . roman)
1089 (font-shape . italic)
1091 (font-relative-size . -1)
1092 (meta . ((interfaces . (text-interface tuplet-bracket-interface font-interface spanner-interface))))
1097 (molecule-callback . ,Text_item::brew_molecule)
1098 (font-family . roman)
1099 (font-shape . italic)
1100 (no-spacing-rods . #t)
1101 (self-alignment-X . 0)
1104 (padding . 0.0) ;; padding relative to UnaCordaPedalLineSpanner
1105 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
1106 (meta . ((interfaces . (text-interface self-alignment-interface font-interface item-interface ))))
1109 (UnaCordaPedalLineSpanner
1112 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1113 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1116 (minimum-space . 1.0)
1118 (meta . ((interfaces . (piano-pedal-interface axis-group-interface side-position-interface spanner-interface))))
1123 (molecule-callback . ,Volta_bracket_interface::brew_molecule)
1126 (font-style . volta)
1127 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1128 (thickness . 1.6) ; stafflinethickness
1129 (height . 2.0) ; staffspace;
1131 (font-family . number)
1132 (font-relative-size . -2)
1133 (meta . ((interfaces . (volta-bracket-interface text-interface side-position-interface font-interface spanner-interface))))
1139 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1141 (meta . ((interfaces . (align-interface axis-group-interface spanner-interface))))
1147 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1149 (meta . ((interfaces . (axis-group-interface spanner-interface))))
1157 (define (completize-grob-entry x)
1158 "transplant assoc key into 'name entry of 'meta of X
1160 (let* ((name-sym (car x))
1161 (grob-entry (cdr x))
1162 (metaentry (cdr (assoc 'meta grob-entry)))
1164 (cdr (assoc 'interfaces metaentry)))
1167 (set! metaentry (assoc-set! metaentry 'name name-sym))
1168 (set! metaentry (assoc-set! metaentry 'interfaces
1169 (cons 'grob-interface ifaces-entry)))
1170 (set! grob-entry (assoc-set! grob-entry 'meta metaentry))
1171 (cons name-sym grob-entry)))
1173 (set! all-grob-descriptions (map completize-grob-entry all-grob-descriptions))
1177 ; (display (map pair? all-grob-descriptions))
1180 ;; make sure that \property Foo.Bar =\turnOff doesn't complain
1183 ; (display (car x)) (newline)
1185 (set-object-property! (car x) 'translation-type? list?)
1186 (set-object-property! (car x) 'is-grob? #t))
1187 all-grob-descriptions)
1190 (set! all-grob-descriptions (sort all-grob-descriptions alist<?))