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.
13 ;; TODO: junk the meta field in favor of something more compact?
14 (define all-grob-descriptions
18 (molecule-callback . ,Accidental_interface::brew_molecule)
20 (cautionary-style . smaller)
21 (after-line-breaking-callback . ,Accidental_interface::after_line_breaking) (meta . ((interfaces . (item-interface accidental-interface font-interface))))
25 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
28 ;; this is quite small, but it is very ugly to have
29 ;; accs closer to the previous note than to the next one.
30 (right-padding . 0.15)
31 (meta . ((interfaces . (item-interface accidental-placement-interface))))
37 (break-align-symbol . ambitus)
38 (molecule-callback . ,Ambitus::brew_molecule)
40 (note-head-style . "noteheads-2")
41 (visibility-lambda . ,begin-of-line-visible)
44 (clef . (extra-space . 0.0))
45 (key-signature . (extra-space . 0.0))
46 (staff-bar . (extra-space . 0.0))
47 (time-signature . (extra-space . 0.0))
48 (first-note . (extra-space . 0.0))
50 (meta . ((interfaces . (ambitus-interface staff-symbol-referencer-interface break-aligned-interface item-interface font-interface))))
55 (X-extent-callback . ,Arpeggio::width_callback)
56 (Y-extent-callback . #f)
57 (molecule-callback . ,Arpeggio::brew_molecule)
58 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
59 (X-offset-callbacks . (,Side_position_interface::aligned_side))
61 (staff-position . 0.0)
62 (meta . ((interfaces . (arpeggio-interface staff-symbol-referencer-interface side-position-interface item-interface font-interface))))
67 (break-align-symbol . staff-bar)
69 (break-glyph-function . ,default-break-barline)
70 (bar-size-procedure . ,Bar_line::get_staff_bar_size)
71 (molecule-callback . ,Bar_line::brew_molecule)
72 (break-visibility . ,all-visible)
74 (before-line-breaking-callback . ,Bar_line::before_line_breaking)
76 (time-signature . (extra-space . 0.75))
77 (custos . (minimum-space . 2.0))
78 (clef . (minimum-space . 1.0))
79 (first-note . (extra-space . 1.3))
83 ;; Ross. page 151 lists other values, we opt for a leaner look
87 (hair-thickness . 1.6)
88 (thick-thickness . 6.0)
89 (meta . ((interfaces . (bar-line-interface item-interface break-aligned-interface font-interface))))
95 (molecule-callback . ,Text_item::brew_molecule)
97 (break-visibility . ,begin-of-line-visible)
100 (font-family . roman)
101 (font-relative-size . -1)
102 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
103 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
104 (self-alignment-X . 1)
105 (extra-offset . (1.3 . 0))
107 ((interfaces . (side-position-interface
109 self-alignment-interface
110 font-interface item-interface break-aligned-interface))))
116 (molecule-callback . ,brew-bass-figure)
117 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
119 (font-family . number)
120 (font-relative-size . -1)
124 (meta . ((interfaces . (text-interface bass-figure-interface item-interface self-alignment-interface font-interface))))
128 ;; todo: clean this up a bit: the list is getting
130 (molecule-callback . ,Beam::brew_molecule)
131 (concaveness-gap . 2.0)
132 (concaveness-threshold . 0.08)
133 (positions . (#f . #f))
134 (position-callbacks . (,Beam::least_squares
137 ,Beam::shift_region_to_valid
141 ;; TODO: should be in SLT.
142 (thickness . 0.48) ; in staff-space
143 (before-line-breaking-callback . ,Beam::before_line_breaking)
144 (after-line-breaking-callback . ,Beam::after_line_breaking)
145 (neutral-direction . -1)
146 (dir-function . ,beam-dir-majority-median)
148 ;; Whe have some unreferenced problems here.
150 ;; If we shorten beamed stems less than normal stems (1 staffspace),
151 ;; or high order less than 8th beams, patterns like
152 ;; c''4 [c''8 c''] c''4 [c''16 c]
153 ;; are ugly (different stem lengths).
155 ;; But if we shorten 16th beams as much as 8th beams, a single
156 ;; forced 16th beam looks *very* short.
158 ;; We choose to shorten 8th beams the same as single stems,
159 ;; and high order beams less than 8th beams, so that all
160 ;; isolated shortened beams look nice and a bit shortened,
161 ;; sadly possibly breaking patterns with high order beams.
162 (beamed-stem-shorten . (1.0 0.5 0.25))
164 (outer-stem-length-limit . 0.2)
166 (flag-width-function . ,default-beam-flag-width-function)
168 (auto-knee-gap . 5.5)
169 (font-name . "cmr10")
170 (space-function . ,Beam::space_function)
171 (meta . ((interfaces . (staff-symbol-referencer-interface beam-interface spanner-interface))))
179 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
180 (meta . ((interfaces . (break-alignment-interface item-interface axis-group-interface)))))
186 (X-offset-callbacks . (,Break_align_interface::alignment_callback))
187 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
188 (meta . ((interfaces . (break-aligned-interface item-interface axis-group-interface item-interface ))))
193 (break-align-symbol . breathing-sign)
196 (ambitus . (extra-space . 2.0))
197 (key-signature . (minimum-space . 1.5))
198 (staff-bar . (minimum-space . 1.5))
199 (clef . (minimum-space . 2.0))
200 (first-note . (minimum-space . 1.0))
202 (molecule-callback . ,Text_item::brew_molecule)
204 (font-family . music)
205 (text . "scripts-rcomma")
206 (Y-offset-callbacks . (,Breathing_sign::offset_callback))
207 (break-visibility . ,begin-of-line-invisible)
208 (meta . ((interfaces . (break-aligned-interface breathing-sign-interface text-interface font-interface item-interface ))))
213 (molecule-callback . ,Clef::brew_molecule)
214 (before-line-breaking-callback . ,Clef::before_line_breaking)
216 (font-family . music)
217 (break-align-symbol . clef)
218 (break-visibility . ,begin-of-line-visible)
220 (ambitus . (extra-space . 2.0))
221 (staff-bar . (minimum-space . 3.7))
222 (key-signature . (minimum-space . 4.0))
223 (time-signature . (minimum-space . 4.2))
224 (first-note . (minimum-space . 5.0))
225 (next-note . (extra-space . 0.5))
227 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
228 (meta . ((interfaces . (clef-interface staff-symbol-referencer-interface font-interface break-aligned-interface item-interface ))))
233 (molecule-callback . ,Chord_name::brew_molecule)
234 (after-line-breaking-callback . ,Chord_name::after_line_breaking)
235 (chord-name-function . ,default-chord-name-function)
236 (font-family . roman)
237 (meta . ((interfaces . (font-interface text-interface chord-name-interface item-interface ))))
242 (break-align-symbol . custos)
244 (molecule-callback . ,Custos::brew_molecule)
245 (break-visibility . ,end-of-line-visible)
247 (neutral-position . 0)
248 (neutral-direction . -1)
249 (adjust-if-on-staffline . #t)
250 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
251 (font-family . ancient)
253 (first-note . (minimum-space . 0.0))
255 (meta . ((interfaces . (custos-interface staff-symbol-referencer-interface break-aligned-interface item-interface ))))
263 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
264 (X-offset-callbacks . (,Dot_column::side_position))
265 (meta . ((interfaces . (dot-column-interface axis-group-interface item-interface ))))
270 (molecule-callback . ,Dots::brew_molecule)
272 (Y-offset-callbacks . (,Dots::quantised_position_callback ,Staff_symbol_referencer::callback))
273 (meta . ((interfaces . (font-interface staff-symbol-referencer-interface dots-interface item-interface ))))
276 (DoublePercentRepeat .
278 (molecule-callback . ,Percent_repeat_item_interface::double_percent)
281 (font-family . music)
284 (break-align-symbol . staff-bar)
285 (break-visibility . ,begin-of-line-invisible)
286 (meta . ((interfaces . (font-interface
287 break-aligned-interface
288 percent-repeat-interface item-interface ))))
293 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
294 (molecule-callback . ,Text_item::brew_molecule)
295 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self
296 ,Self_alignment_interface::centered_on_parent))
297 (self-alignment-X . 0)
298 (no-spacing-rods . #t)
299 (script-priority . 100)
301 (font-family . dynamic)
302 (font-shape . italic)
303 (self-alignment-Y . 0)
304 (meta . ((interfaces . (font-interface text-interface self-alignment-interface dynamic-interface script-interface item-interface ))))
310 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
311 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
313 (minimum-space . 1.2)
315 (meta . ((interfaces . (dynamic-interface axis-group-interface side-position-interface spanner-interface))))
320 (break-align-symbol . left-edge)
321 (X-offset-callbacks . (,Break_align_interface::alignment_callback))
322 (X-extent-callback . ,Grob::point_dimension_callback)
325 (custos . (extra-space . 0.0))
326 (ambitus . (extra-space . 2.0))
327 (time-signature . (extra-space . 0.0))
328 (staff-bar . (extra-space . 0.0))
329 (breathing-sign . (minimum-space . 0.0))
330 (clef . (extra-space . 1.0))
331 (first-note . (extra-space . 0.0))
332 (key-signature . (extra-space . 0.0))
334 (meta . ((interfaces . (break-aligned-interface item-interface ))))
339 (molecule-callback . ,Text_item::brew_molecule)
340 (X-offset-callbacks . (,Self_alignment_interface::centered_on_parent
341 ,Self_alignment_interface::aligned_on_self))
344 (self-alignment-X . 0)
345 (self-alignment-Y . 0)
346 (script-priority . 100)
347 (font-family . number)
348 (font-relative-size . -3)
349 (font-shape . upright)
350 (meta . ((interfaces . (finger-interface font-interface text-script-interface text-interface side-position-interface self-alignment-interface item-interface ))))
354 (HaraKiriVerticalGroup
356 (Y-offset-callbacks . (,Hara_kiri_group_spanner::force_hara_kiri_callback))
357 (Y-extent-callback . ,Hara_kiri_group_spanner::y_extent)
359 (meta . ((interfaces . (axis-group-interface hara-kiri-group-interface item-interface spanner-interface))))
364 (molecule-callback . ,Hairpin::brew_molecule)
367 (spacing-procedure . ,Spanner::set_spacing_rods)
368 (minimum-length . 2.0)
369 (if-text-padding . 1.0)
370 (width-correct . -1.0)
372 (dash-thickness . 1.2)
374 (self-alignment-Y . 0)
375 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
376 (meta . ((interfaces . (hairpin-interface self-alignment-interface dynamic-interface spanner-interface))))
382 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self
383 ,Side_position_interface::aligned_on_support_refpoints))
384 ;; huh? what's this for?
387 (left-edge . (extra-space . 1.0))
390 (self-alignment-Y . 0)
391 (molecule-callback . ,Text_item::brew_molecule)
392 (break-align-symbol . instrument-name)
393 (break-visibility . ,begin-of-line-visible)
395 (font-family . roman)
396 (meta . ((interfaces . (font-interface self-alignment-interface side-position-interface text-interface break-aligned-interface item-interface ))))
401 (molecule-callback . ,Key_signature_interface::brew_molecule)
403 (time-signature . (extra-space . 1.25))
404 (staff-bar . (extra-space . 1.1))
405 (first-note . (extra-space . 2.5))
407 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
408 (break-align-symbol . key-signature)
409 (break-visibility . ,begin-of-line-visible)
411 (meta . ((interfaces . (key-signature-interface font-interface break-aligned-interface item-interface ))))
416 (molecule-callback . ,Ligature_bracket::brew_molecule)
417 (meta . ((interfaces . (ligature-interface))))
424 (ligature-primitive-callback . ,Note_head::brew_molecule)
425 (molecule-callback . ,Ligature_bracket::brew_molecule)
426 (meta . ((interfaces . (ligature-bracket-interface spanner-interface))))
431 (ligature-primitive-callback . ,Note_head::brew_molecule)
432 (molecule-callback . ,Ligature_head::brew_molecule)
433 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
434 (stem-attachment-function . ,note-head-style->attachment-coordinates)
435 (font-family . ancient)
437 (meta . ((interfaces . (ligature-head-interface rhythmic-head-interface note-head-interface staff-symbol-referencer-interface))))
444 (minimum-length . 0.5)
445 (maximum-length . 100)
446 (molecule-callback . ,Hyphen_spanner::brew_molecule)
447 (Y-extent-callback . ,Grob::point_dimension_callback)
448 (meta . ((interfaces . (lyric-hyphen-interface spanner-interface))))
453 (molecule-callback . ,Lyric_extender::brew_molecule)
454 (height . 0.8) ; stafflinethickness;
455 (right-trim-amount . 0.5)
456 (Y-extent-callback . ,Grob::point_dimension_callback)
457 (meta . ((interfaces . (lyric-extender-interface spanner-interface))))
462 (molecule-callback . ,Text_item::brew_molecule)
463 (X-offset-callbacks . (,Self_alignment_interface::centered_on_parent
464 ,Self_alignment_interface::aligned_on_self))
465 (self-alignment-X . 0)
467 (ignore-length-mismatch . #f)
468 (begin-alignment . 4)
470 (font-family . roman)
471 (font-shape . upright)
473 ;; duh, side-position-interface?
474 (meta . ((interfaces . (lyric-syllable-interface self-alignment-interface text-interface font-interface item-interface ))))
481 (ligature-primitive-callback . ,Mensural_ligature::brew_ligature_primitive)
482 (molecule-callback . ,Mensural_ligature::brew_molecule)
483 (font-family . ancient)
484 (meta . ((interfaces . (mensural-ligature-interface))))
490 (auto-properties . #f)
496 (molecule-callback . ,Porrectus::brew_molecule)
497 (meta . ((interfaces . (porrectus-interface))))
502 (molecule-callback . ,Text_item::brew_molecule)
503 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
504 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
505 (self-alignment-X . 0)
509 (font-family . roman)
511 (break-visibility . ,end-of-line-invisible)
513 (meta . ((interfaces . (text-interface side-position-interface font-interface mark-interface self-alignment-interface item-interface ))))
518 (spacing-procedure . ,Multi_measure_rest::set_spacing_rods)
519 (molecule-callback . ,Multi_measure_rest::brew_molecule)
520 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
523 (number-threshold . 1)
526 (font-family . number)
528 (meta . ((interfaces . (multi-measure-rest-interface rest-interface font-interface staff-symbol-referencer-interface spanner-interface))))
534 ;; Ugh, should not be hard-coded.
536 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
537 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
538 (meta . ((interfaces . (note-collision-interface axis-group-interface item-interface ))))
544 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
545 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
546 (meta . ((interfaces . (axis-group-interface note-column-interface item-interface ))))
552 (molecule-callback . ,Note_head::brew_molecule)
553 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
554 (stem-attachment-function . ,note-head-style->attachment-coordinates)
555 (meta . ((interfaces . (rhythmic-head-interface font-interface note-head-interface staff-symbol-referencer-interface item-interface ))))
563 (X-extent-callback . #f)
564 (Y-extent-callback . #f)
565 (molecule-callback . ,Line_spanner::brew_molecule)
566 (meta . ((interfaces . (line-spanner-interface spanner-interface))))
574 (X-extent-callback . #f)
575 (Y-extent-callback . #f)
576 (molecule-callback . ,Line_spanner::brew_molecule)
577 (meta . ((interfaces . (line-spanner-interface spanner-interface))))
582 (molecule-callback . ,Text_item::brew_molecule)
583 (font-family . roman)
584 (meta . ((interfaces . (note-name-interface text-interface font-interface item-interface ))))
589 (self-alignment-X . 0)
591 (break-visibility . ,begin-of-line-visible)
592 (X-offset-callbacks . (,Self_alignment_interface::centered_on_parent ,Self_alignment_interface::aligned_on_self))
593 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
594 (molecule-callback . ,Text_item::brew_molecule)
595 (font-shape . italic)
597 (font-relative-size . -2)
598 (font-family . roman)
599 (meta . ((interfaces . (text-interface self-alignment-interface side-position-interface font-interface item-interface ))))
605 (before-line-breaking-callback . ,Paper_column::before_line_breaking)
606 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
608 ; (molecule-callback . ,Paper_column::brew_molecule) (font-name . "cmr8") (Y-extent-callback . #f)
609 (meta . ((interfaces . (paper-column-interface axis-group-interface spaceable-grob-interface item-interface ))))
614 (molecule-callback . ,Slur::brew_molecule)
616 (spacing-procedure . ,Spanner::set_spacing_rods)
617 (minimum-length . 1.5)
618 (after-line-breaking-callback . ,Slur::after_line_breaking)
619 (extremity-rules . ,default-slur-extremity-rules)
620 (extremity-offset-alist . ,default-phrasing-slur-extremity-offset-alist)
621 (de-uglify-parameters . (1.5 0.8 -2.0))
622 (Y-extent-callback . ,Slur::height)
627 (attachment . (#f . #f))
628 (attachment-offset . ((0 . 0) . (0 . 0)))
630 (details . ((force-blowfit . 0.5)
631 (bezier-pct-c0 . -0.2) (bezier-pct-c3 . 0.000006)
632 (bezier-pct-out-max . 0.8) (bezier-pct-in-max . 1.2)
633 (bezier-area-steps . 1.0)))
634 (meta . ((interfaces . (slur-interface spanner-interface))))
637 (NonMusicalPaperColumn
640 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
641 (before-line-breaking-callback . ,Paper_column::before_line_breaking)
642 ;; debugging stuff: print column number.
643 ; (molecule-callback . ,Paper_column::brew_molecule) (font-name . "cmr8") (Y-extent-callback . #f)
646 (meta . ((interfaces . (paper-column-interface axis-group-interface spaceable-grob-interface item-interface ))))
651 (spacing-procedure . ,Multi_measure_rest::set_spacing_rods)
652 (molecule-callback . ,Multi_measure_rest::percent)
655 (minimum-width . 12.5) ; staffspace
656 (font-family . music)
657 (meta . ((interfaces . (multi-measure-rest-interface spanner-interface font-interface percent-repeat-interface))))
660 (PianoPedalBracket ;; an example of a text spanner
662 (molecule-callback . ,Text_spanner::brew_molecule)
663 (font-family . roman)
665 (if-text-padding . 1.0)
669 (edge-widen . (0.5 . 0.5))
670 (edge-height . (1.0 . 1.0))
671 (shorten-pair . (0.0 . 0.0))
673 (meta . ((interfaces . (text-spanner-interface piano-pedal-interface spanner-interface))))
678 (molecule-callback . , Percent_repeat_item_interface::beat_slash)
681 (meta . ((interfaces . (percent-repeat-interface item-interface ))))
685 (after-line-breaking-callback . ,Rest::after_line_breaking)
686 (X-extent-callback . ,Rest::extent_callback)
687 (Y-extent-callback . ,Rest::extent_callback)
688 (molecule-callback . ,Rest::brew_molecule)
689 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
690 (minimum-beam-collision-distance . 1.5)
692 (interfaces . (font-interface
693 rhythmic-head-interface
694 staff-symbol-referencer-interface
695 rest-interface item-interface ))
700 (minimum-distance . 0.75)
701 (meta . ((interfaces . (rest-collision-interface item-interface ))))
706 ;; don't set direction here: it breaks staccato.
707 (molecule-callback . ,Script_interface::brew_molecule)
709 ;; This value is sensitive: if too large, staccato dots will move a
712 ;; (script-priority . 0) priorities for scripts, see script.scm
713 (X-offset-callbacks . (,Self_alignment_interface::centered_on_parent))
714 (before-line-breaking-callback . ,Script_interface::before_line_breaking)
715 (font-family . music)
716 (meta . ((interfaces . (script-interface side-position-interface font-interface item-interface ))))
721 (before-line-breaking-callback . ,Script_column::before_line_breaking)
722 (meta . ((interfaces . (script-column-interface item-interface ))))
727 (molecule-callback . ,Slur::brew_molecule)
729 (spacing-procedure . ,Spanner::set_spacing_rods)
730 (minimum-length . 1.5)
731 (after-line-breaking-callback . ,Slur::after_line_breaking)
732 (extremity-rules . ,default-slur-extremity-rules)
733 (extremity-offset-alist . ,default-slur-extremity-offset-alist)
734 (de-uglify-parameters . (1.5 0.8 -2.0))
735 (Y-extent-callback . ,Slur::height)
740 (attachment . (#f . #f))
741 (attachment-offset . ((0 . 0) . (0 . 0)))
743 (details . ((force-blowfit . 0.5)
744 (bezier-pct-c0 . -0.2) (bezier-pct-c3 . 0.000006)
745 (bezier-pct-out-max . 0.8) (bezier-pct-in-max . 1.2)
746 (bezier-area-steps . 1.0)))
747 (meta . ((interfaces . (slur-interface spanner-interface))))
752 (spacing-procedure . ,Spacing_spanner::set_springs)
753 (grace-space-factor . 0.6)
754 (shortest-duration-space . 2.0)
755 (spacing-increment . 1.2)
756 (base-shortest-duration . ,(make-moment 1 8))
757 (meta . ((interfaces . (spacing-interface spacing-spanner-interface spanner-interface))))
762 (break-align-symbol . staff-bar)
763 (bar-size-procedure . ,Span_bar::get_bar_size)
764 (molecule-callback . ,Span_bar::brew_molecule)
765 (break-visibility . ,begin-of-line-invisible)
766 (X-extent-callback . ,Span_bar::width_callback)
767 (Y-extent-callback . ())
770 (before-line-breaking-callback . ,Span_bar::before_line_breaking)
774 ;; Ross. page 151 lists other values, we opt for a leaner look
778 (hair-thickness . 1.6)
779 (thick-thickness . 6.0)
780 (meta . ((interfaces . (span-bar-interface bar-line-interface item-interface ))))
786 (molecule-callback . ,Text_item::brew_molecule)
787 (break-align-symbol . clef)
788 (break-visibility . ,begin-of-line-visible)
789 (font-family . roman)
790 (meta . ((interfaces . (break-aligned-interface text-interface font-interface item-interface ))))
796 (stem-spacing-correction . 0.4)
797 (knee-spacing-correction . 0.75)
798 (meta . ((interfaces . (spacing-interface staff-spacing-interface item-interface ))))
802 (stem-spacing-correction . 0.5)
803 (knee-spacing-correction . 0.75)
804 (meta . ((interfaces . (spacing-interface note-spacing-interface item-interface ))))
809 (molecule-callback . ,Staff_symbol::brew_molecule)
812 (meta . ((interfaces . (staff-symbol-interface spanner-interface))))
817 (molecule-callback . ,Text_item::brew_molecule)
819 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
820 (no-spacing-rods . #t)
821 (padding . 0.0) ;; padding relative to SostenutoPedalLineSpanner
823 (font-family . roman)
824 (font-shape . italic)
825 (self-alignment-X . 0)
826 (meta . ((interfaces . (text-interface self-alignment-interface font-interface item-interface))))
829 (SostenutoPedalLineSpanner
832 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
833 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
837 (minimum-space . 1.0)
839 (meta . ((interfaces . (piano-pedal-interface axis-group-interface side-position-interface spanner-interface))))
844 (before-line-breaking-callback . ,Stem::before_line_breaking)
845 (molecule-callback . ,Stem::brew_molecule)
848 ;; 3.5 (or 3 measured from note head) is standar length
849 ;; 32nd, 64th flagged stems should be longer
850 (lengths . (3.5 3.5 3.5 4.5 5.0))
852 ;; Stems in unnatural (forced) direction should be shortened by
853 ;; one staff space, according to [Roush & Gourlay].
854 ;; Flagged stems we shorten only half a staff space.
855 (stem-shorten . (1.0 0.5))
857 ;; default stem direction for note on middle line
858 (neutral-direction . -1)
860 ;; [Wanske]: standard length (but no shorter than minimum).
861 ;; (beamed-lengths . (3.5))
863 ;; FIXME. 3.5 yields too long beams (according to Ross and
864 ;; looking at Baerenreiter examples) for a number of common
865 ;; boundary cases. Subtracting half a beam thickness fixes
866 ;; this, but the bug may well be somewhere else.
867 (beamed-lengths . (3.26))
869 ;; [Wanske] lists three sets of minimum lengths. One
870 ;; set for the nomal case, and one set for beams with `der
871 ;; Balkenendpunkt weiter "uber bzw. unter die Systemgrenze
872 ;; hinaus (bei Gruppen mit grossem Tonumfang)' and the extreme
875 ;; Note that Wanske lists numbers lengths starting from top of
876 ;; head, so we must add half a staff space.
878 ;; We use the normal minima as minimum for the ideal lengths,
879 ;; and the extreme minima as abolute minimum length.
881 ;; The 'normal' minima
882 (beamed-minimum-free-lengths . (2.5 2.0 1.5))
884 ;; The 'far outside staff' minima, not used
885 ;(beamed-far-minimum-free-lengths . (1.83))
887 ;; The 'extreme case' minima
888 (beamed-extreme-minimum-free-lengths . (1.83 1.5))
890 (X-offset-callbacks . (,Stem::off_callback))
891 (X-extent-callback . ,Stem::dim_callback)
892 (Y-extent-callback . ,Stem::height)
893 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
894 (adjust-if-on-staffline . #t)
895 (font-family . music)
896 (avoid-note-head . #f)
898 (meta . ((interfaces . (stem-interface font-interface item-interface ))))
903 (molecule-callback . ,Stem_tremolo::brew_molecule)
904 (Y-extent-callback . ,Stem_tremolo::height)
905 (X-extent-callback . #f)
907 (beam-width . 1.6) ; staff-space
908 (beam-thickness . 0.48) ; staff-space
909 (meta . ((interfaces . (stem-tremolo-interface item-interface ))))
914 (meta . ((interfaces . (spacing-interface separation-item-interface item-interface ))))
917 (SeparatingGroupSpanner
919 (spacing-procedure . ,Separating_group_spanner::set_spacing_rods)
920 (meta . ((interfaces . (spacing-interface separation-spanner-interface spanner-interface))))
925 (no-spacing-rods . #t)
926 (molecule-callback . ,Sustain_pedal::brew_molecule)
927 (self-alignment-X . 0)
929 (padding . 0.0) ;; padding relative to SustainPedalLineSpanner
931 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
932 (meta . ((interfaces . (piano-pedal-interface text-spanner-interface text-interface self-alignment-interface font-interface item-interface))))
935 (SustainPedalLineSpanner
938 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
939 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
942 (minimum-space . 1.0)
944 (meta . ((interfaces . (piano-pedal-interface axis-group-interface side-position-interface spanner-interface))))
950 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
951 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
952 (meta . ((interfaces . (system-interface axis-group-interface spanner-interface))))
958 (molecule-callback . ,System_start_delimiter::brew_molecule)
959 (collapse-height . 5.0)
960 (font-family . braces)
961 (Y-extent-callback . #f)
962 (meta . ((interfaces . (system-start-delimiter-interface font-interface))))
967 (Y-extent-callback . #f)
968 (molecule-callback . ,System_start_delimiter::brew_molecule)
974 (bracket-collapse-height . 1)
976 (meta . ((interfaces . (system-start-delimiter-interface spanner-interface))))
981 (Y-extent-callback . #f)
982 (molecule-callback . ,System_start_delimiter::brew_molecule)
985 (after-line-breaking-callback . ,System_start_delimiter::after_line_breaking)
986 (meta . ((interfaces . (system-start-delimiter-interface spanner-interface))))
991 (molecule-callback . ,Text_item::brew_molecule)
992 (no-spacing-rods . #t)
993 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
996 (script-priority . 200)
997 ;; todo: add X self alignment?
999 (font-family . roman)
1000 (meta . ((interfaces . (text-script-interface text-interface side-position-interface font-interface item-interface ))))
1005 (molecule-callback . ,Text_spanner::brew_molecule)
1006 (font-family . roman)
1009 ;; urg, only for (de)cresc. text spanners
1010 (if-text-padding . 1.0)
1011 (width-correct . -1)
1014 (meta . ((interfaces . (text-spanner-interface side-position-interface font-interface spanner-interface))))
1019 (font-family . roman)
1021 (molecule-callback . ,tablature-molecule-callback)
1022 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
1023 (stem-attachment-function . ,tablature-stem-attachment-function)
1024 (meta . ((interfaces . (rhythmic-head-interface font-interface note-head-interface staff-symbol-referencer-interface item-interface ))))
1030 (molecule-callback . ,Tie::brew_molecule)
1031 (spacing-procedure . ,Spanner::set_spacing_rods)
1032 (staffline-clearance . 0.35)
1033 (details . ((ratio . 0.333) (height-limit . 1.0)))
1037 (minimum-length . 2.5)
1038 (meta . ((interfaces . (tie-interface spanner-interface))))
1043 (after-line-breaking-callback . ,Tie_column::after_line_breaking)
1044 (X-extent-callback . ())
1045 (Yoo-extent-callback . ())
1046 (meta . ((interfaces . (tie-column-interface spanner-interface))))
1051 (molecule-callback . ,Time_signature::brew_molecule)
1052 (break-align-symbol . time-signature)
1053 (break-visibility . ,all-visible)
1055 (first-note . (extra-space . 2.0))
1056 (staff-bar . (minimum-space . 2.0))
1060 (font-family . number)
1061 (meta . ((interfaces . (time-signature-interface break-aligned-interface font-interface item-interface ))))
1069 (edge-widen . (0.0 . 0.0))
1070 (edge-height . (0.7 . 0.7))
1071 (shorten-pair . (-0.2 . -0.2))
1072 (before-line-breaking-callback . ,Tuplet_bracket::before_line_breaking)
1073 (after-line-breaking-callback . ,Tuplet_bracket::after_line_breaking)
1074 (molecule-callback . ,Tuplet_bracket::brew_molecule)
1075 (font-family . roman)
1076 (font-shape . italic)
1078 (font-relative-size . -1)
1079 (meta . ((interfaces . (text-interface tuplet-bracket-interface font-interface spanner-interface))))
1084 (molecule-callback . ,Text_item::brew_molecule)
1085 (font-family . roman)
1086 (font-shape . italic)
1087 (no-spacing-rods . #t)
1088 (self-alignment-X . 0)
1091 (padding . 0.0) ;; padding relative to UnaCordaPedalLineSpanner
1092 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
1093 (meta . ((interfaces . (text-interface self-alignment-interface font-interface item-interface ))))
1096 (UnaCordaPedalLineSpanner
1099 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1100 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1103 (minimum-space . 1.0)
1105 (meta . ((interfaces . (piano-pedal-interface axis-group-interface side-position-interface spanner-interface))))
1110 (molecule-callback . ,Volta_bracket_interface::brew_molecule)
1113 (font-style . volta)
1114 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1115 (thickness . 1.6) ; stafflinethickness
1116 (height . 2.0) ; staffspace;
1118 (font-family . number)
1119 (font-relative-size . -2)
1120 (meta . ((interfaces . (volta-bracket-interface text-interface side-position-interface font-interface spanner-interface))))
1126 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1128 (meta . ((interfaces . (align-interface axis-group-interface spanner-interface))))
1134 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1136 (meta . ((interfaces . (axis-group-interface spanner-interface))))
1144 (define (completize-grob-entry x)
1145 "transplant assoc key into 'name entry of 'meta of X
1148 (let* ((name-sym (car x))
1149 (grob-entry (cdr x))
1150 (metaentry (cdr (assoc 'meta grob-entry)))
1152 (cdr (assoc 'interfaces metaentry)))
1155 (set! metaentry (assoc-set! metaentry 'name name-sym))
1156 (set! metaentry (assoc-set! metaentry 'interfaces
1157 (cons 'grob-interface ifaces-entry)))
1158 (set! grob-entry (assoc-set! grob-entry 'meta metaentry))
1159 (cons name-sym grob-entry)))
1161 (set! all-grob-descriptions (map completize-grob-entry all-grob-descriptions))
1165 ; (display (map pair? all-grob-descriptions))
1168 ;; make sure that \property Foo.Bar =\turnOff doesn't complain
1171 ; (display (car x)) (newline)
1173 (set-object-property! (car x) 'translation-type? list?)
1174 (set-object-property! (car x) 'is-grob? #t))
1175 all-grob-descriptions)
1178 (set! all-grob-descriptions (sort all-grob-descriptions alist<?))