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-bass-figure)
119 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
121 (font-family . number)
122 (font-relative-size . -1)
126 (meta . ((interfaces . (text-interface bass-figure-interface item-interface 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 . ,Chord_name::brew_molecule)
237 (after-line-breaking-callback . ,Chord_name::after_line_breaking)
238 (chord-name-function . ,default-chord-name-function)
239 (font-family . roman)
240 (meta . ((interfaces . (font-interface text-interface chord-name-interface item-interface ))))
245 (break-align-symbol . custos)
247 (molecule-callback . ,Custos::brew_molecule)
248 (break-visibility . ,end-of-line-visible)
250 (neutral-position . 0)
251 (neutral-direction . -1)
252 (adjust-if-on-staffline . #t)
253 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
254 (font-family . ancient)
256 (first-note . (minimum-space . 0.0))
257 (right-edge . (extra-space . 0.1))
260 . (custos-interface staff-symbol-referencer-interface
262 break-aligned-interface item-interface ))))
270 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
271 (X-offset-callbacks . (,Dot_column::side_position))
272 (meta . ((interfaces . (dot-column-interface axis-group-interface item-interface ))))
277 (molecule-callback . ,Dots::brew_molecule)
279 (Y-offset-callbacks . (,Dots::quantised_position_callback ,Staff_symbol_referencer::callback))
280 (meta . ((interfaces . (font-interface staff-symbol-referencer-interface dots-interface item-interface ))))
283 (DoublePercentRepeat .
285 (molecule-callback . ,Percent_repeat_item_interface::double_percent)
288 (font-family . music)
291 (break-align-symbol . staff-bar)
292 (break-visibility . ,begin-of-line-invisible)
293 (meta . ((interfaces . (font-interface
294 break-aligned-interface
295 percent-repeat-interface item-interface ))))
300 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
301 (molecule-callback . ,Text_item::brew_molecule)
302 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self
303 ,Self_alignment_interface::centered_on_parent))
304 (self-alignment-X . 0)
305 (no-spacing-rods . #t)
306 (script-priority . 100)
308 (font-family . dynamic)
309 (font-shape . italic)
310 (self-alignment-Y . 0)
311 (meta . ((interfaces . (font-interface text-interface self-alignment-interface dynamic-interface script-interface item-interface ))))
317 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
318 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
320 (minimum-space . 1.2)
322 (meta . ((interfaces . (dynamic-interface axis-group-interface side-position-interface spanner-interface))))
327 (break-align-symbol . left-edge)
328 (X-extent-callback . ,Grob::point_dimension_callback)
331 (custos . (extra-space . 0.0))
332 (ambitus . (extra-space . 2.0))
333 (time-signature . (extra-space . 0.0))
334 (staff-bar . (extra-space . 0.0))
335 (breathing-sign . (minimum-space . 0.0))
336 (clef . (extra-space . 1.0))
337 (first-note . (extra-space . 1.0))
338 (right-edge . (extra-space . 0.0))
339 (key-signature . (extra-space . 0.0))
341 (meta . ((interfaces . (break-aligned-interface item-interface ))))
346 (molecule-callback . ,Text_item::brew_molecule)
347 (X-offset-callbacks . (,Self_alignment_interface::centered_on_parent
348 ,Self_alignment_interface::aligned_on_self))
351 (self-alignment-X . 0)
352 (self-alignment-Y . 0)
353 (script-priority . 100)
354 (font-family . number)
355 (font-relative-size . -3)
356 (font-shape . upright)
357 (meta . ((interfaces . (finger-interface font-interface text-script-interface text-interface side-position-interface self-alignment-interface item-interface ))))
361 (HaraKiriVerticalGroup
363 (Y-offset-callbacks . (,Hara_kiri_group_spanner::force_hara_kiri_callback))
364 (Y-extent-callback . ,Hara_kiri_group_spanner::y_extent)
366 (meta . ((interfaces . (axis-group-interface hara-kiri-group-interface item-interface spanner-interface))))
371 (molecule-callback . ,Hairpin::brew_molecule)
374 (spacing-procedure . ,Spanner::set_spacing_rods)
375 (minimum-length . 2.0)
376 (if-text-padding . 1.0)
377 (width-correct . -1.0)
379 (dash-thickness . 1.2)
381 (self-alignment-Y . 0)
382 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
383 (meta . ((interfaces . (hairpin-interface self-alignment-interface dynamic-interface spanner-interface))))
389 (molecule-callback . ,Horizontal_bracket::brew_molecule)
390 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
393 (meta . ((interfaces . (horizontal-bracket-interface spanner-interface))))
398 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self
399 ,Side_position_interface::aligned_on_support_refpoints))
400 ;; huh? what's this for?
403 (left-edge . (extra-space . 1.0))
406 (self-alignment-Y . 0)
407 (molecule-callback . ,Text_item::brew_molecule)
408 (break-align-symbol . instrument-name)
409 (break-visibility . ,begin-of-line-visible)
411 (font-family . roman)
412 (meta . ((interfaces . (font-interface self-alignment-interface side-position-interface text-interface break-aligned-interface item-interface ))))
417 (molecule-callback . ,Key_signature_interface::brew_molecule)
419 (time-signature . (extra-space . 1.25))
420 (staff-bar . (extra-space . 1.1))
421 (right-edge . (extra-space . 0.5))
422 (first-note . (extra-space . 2.5))
424 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
425 (break-align-symbol . key-signature)
426 (break-visibility . ,begin-of-line-visible)
428 (meta . ((interfaces . (key-signature-interface font-interface break-aligned-interface item-interface ))))
433 (molecule-callback . ,Ligature_bracket::brew_molecule)
434 (meta . ((interfaces . (ligature-interface))))
441 (ligature-primitive-callback . ,Note_head::brew_molecule)
442 (molecule-callback . ,Ligature_bracket::brew_molecule)
443 (meta . ((interfaces . (ligature-bracket-interface spanner-interface))))
448 (ligature-primitive-callback . ,Note_head::brew_molecule)
449 (molecule-callback . ,Ligature_head::brew_molecule)
450 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
451 (stem-attachment-function . ,note-head-style->attachment-coordinates)
452 (font-family . ancient)
454 (glyph-name-procedure . ,find-notehead-symbol)
455 (meta . ((interfaces . (ligature-head-interface rhythmic-head-interface
457 note-head-interface staff-symbol-referencer-interface))))
464 (minimum-length . 0.5)
465 (maximum-length . 100)
466 (molecule-callback . ,Hyphen_spanner::brew_molecule)
467 (Y-extent-callback . ,Grob::point_dimension_callback)
468 (meta . ((interfaces . (lyric-hyphen-interface spanner-interface))))
473 (molecule-callback . ,Lyric_extender::brew_molecule)
474 (height . 0.8) ; stafflinethickness;
475 (right-trim-amount . 0.5)
476 (Y-extent-callback . ,Grob::point_dimension_callback)
477 (meta . ((interfaces . (lyric-extender-interface spanner-interface))))
482 (molecule-callback . ,Text_item::brew_molecule)
483 (X-offset-callbacks . (,Self_alignment_interface::centered_on_parent
484 ,Self_alignment_interface::aligned_on_self))
485 (self-alignment-X . 0)
487 (ignore-length-mismatch . #f)
488 (begin-alignment . 4)
490 (font-family . roman)
491 (font-shape . upright)
493 ;; duh, side-position-interface?
494 (meta . ((interfaces . (lyric-syllable-interface self-alignment-interface text-interface font-interface item-interface ))))
501 (ligature-primitive-callback . ,Mensural_ligature::brew_ligature_primitive)
502 (molecule-callback . ,Mensural_ligature::brew_molecule)
503 (font-family . ancient)
504 (meta . ((interfaces . (mensural-ligature-interface font-interface))))
510 (auto-properties . #f)
516 (molecule-callback . ,Porrectus::brew_molecule)
517 (meta . ((interfaces . (porrectus-interface))))
522 (molecule-callback . ,Text_item::brew_molecule)
523 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
524 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
525 (self-alignment-X . 0)
529 (font-family . roman)
531 (break-visibility . ,end-of-line-invisible)
533 (meta . ((interfaces . (text-interface side-position-interface font-interface mark-interface self-alignment-interface item-interface ))))
538 (spacing-procedure . ,Multi_measure_rest::set_spacing_rods)
539 (molecule-callback . ,Multi_measure_rest::brew_molecule)
540 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
545 (meta . ((interfaces . (multi-measure-rest-interface rest-interface font-interface staff-symbol-referencer-interface spanner-interface))))
548 (MultiMeasureRestNumber
550 (molecule-callback . ,Text_item::brew_molecule)
551 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self
552 ,Self_alignment_interface::centered_on_other_axis_parent))
553 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
554 (self-alignment-X . 0)
557 (font-family . number)
558 (meta . ((interfaces . (side-position-interface font-interface spanner-interface))))
565 ;; Ugh, should not be hard-coded.
567 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
568 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
569 (meta . ((interfaces . (note-collision-interface axis-group-interface item-interface ))))
575 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
576 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
577 (meta . ((interfaces . (axis-group-interface note-column-interface item-interface ))))
583 (molecule-callback . ,Note_head::brew_molecule)
584 (glyph-name-procedure . ,find-notehead-symbol)
585 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
586 (stem-attachment-function . ,note-head-style->attachment-coordinates)
587 (meta . ((interfaces . (rhythmic-head-interface font-interface note-head-interface staff-symbol-referencer-interface item-interface ))))
594 (zigzag-width . 0.75)
596 (X-extent-callback . #f)
597 (Y-extent-callback . #f)
598 (molecule-callback . ,Line_spanner::brew_molecule)
599 (meta . ((interfaces . (line-spanner-interface spanner-interface))))
607 (X-extent-callback . #f)
608 (Y-extent-callback . #f)
609 (molecule-callback . ,Line_spanner::brew_molecule)
610 (meta . ((interfaces . (line-spanner-interface spanner-interface))))
615 (molecule-callback . ,Text_item::brew_molecule)
616 (font-family . roman)
617 (meta . ((interfaces . (note-name-interface text-interface font-interface item-interface ))))
622 (self-alignment-X . 0)
624 (break-visibility . ,begin-of-line-visible)
625 (X-offset-callbacks . (,Self_alignment_interface::centered_on_parent ,Self_alignment_interface::aligned_on_self))
626 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
627 (molecule-callback . ,Text_item::brew_molecule)
628 (font-shape . italic)
630 (font-relative-size . -2)
631 (font-family . roman)
632 (meta . ((interfaces . (text-interface self-alignment-interface side-position-interface font-interface item-interface ))))
638 (before-line-breaking-callback . ,Paper_column::before_line_breaking)
639 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
641 ; (molecule-callback . ,Paper_column::brew_molecule) (font-name . "cmr8") (Y-extent-callback . #f)
642 (meta . ((interfaces . (paper-column-interface axis-group-interface spaceable-grob-interface item-interface ))))
647 (molecule-callback . ,Slur::brew_molecule)
649 (spacing-procedure . ,Spanner::set_spacing_rods)
650 (minimum-length . 1.5)
651 (after-line-breaking-callback . ,Slur::after_line_breaking)
652 (extremity-rules . ,default-slur-extremity-rules)
653 (extremity-offset-alist . ,default-phrasing-slur-extremity-offset-alist)
654 (de-uglify-parameters . (1.5 0.8 -2.0))
655 (Y-extent-callback . ,Slur::height)
660 (attachment . (#f . #f))
661 (attachment-offset . ((0 . 0) . (0 . 0)))
663 (details . ((force-blowfit . 0.5)
664 (bezier-pct-c0 . -0.2) (bezier-pct-c3 . 0.000006)
665 (bezier-pct-out-max . 0.8) (bezier-pct-in-max . 1.2)
666 (bezier-area-steps . 1.0)))
667 (meta . ((interfaces . (slur-interface spanner-interface))))
670 (NonMusicalPaperColumn
673 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
674 (before-line-breaking-callback . ,Paper_column::before_line_breaking)
675 ;; debugging stuff: print column number.
676 ; (molecule-callback . ,Paper_column::brew_molecule) (font-name . "cmr8") (Y-extent-callback . #f)
679 (meta . ((interfaces . (paper-column-interface axis-group-interface spaceable-grob-interface item-interface ))))
684 (spacing-procedure . ,Multi_measure_rest::set_spacing_rods)
685 (molecule-callback . ,Multi_measure_rest::percent)
688 (minimum-width . 12.5) ; staffspace
689 (font-family . music)
690 (meta . ((interfaces . (multi-measure-rest-interface spanner-interface font-interface percent-repeat-interface))))
693 (PianoPedalBracket ;; an example of a text spanner
695 (molecule-callback . ,Text_spanner::brew_molecule)
696 (font-family . roman)
698 (if-text-padding . 1.0)
702 (edge-widen . (0.5 . 0.5))
703 (edge-height . (1.0 . 1.0))
704 (shorten-pair . (0.0 . 0.0))
706 (meta . ((interfaces . (text-spanner-interface piano-pedal-interface spanner-interface))))
711 (molecule-callback . , Percent_repeat_item_interface::beat_slash)
714 (meta . ((interfaces . (percent-repeat-interface item-interface ))))
718 (after-line-breaking-callback . ,Rest::after_line_breaking)
719 (X-extent-callback . ,Rest::extent_callback)
720 (Y-extent-callback . ,Rest::extent_callback)
721 (molecule-callback . ,Rest::brew_molecule)
722 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
723 (minimum-beam-collision-distance . 0.75)
725 (interfaces . (font-interface
726 rhythmic-head-interface
727 staff-symbol-referencer-interface
728 rest-interface item-interface ))
733 (minimum-distance . 0.75)
734 (meta . ((interfaces . (rest-collision-interface item-interface ))))
739 ;; don't set direction here: it breaks staccato.
740 (molecule-callback . ,Script_interface::brew_molecule)
742 ;; This value is sensitive: if too large, staccato dots will move a
745 ;; (script-priority . 0) priorities for scripts, see script.scm
746 (X-offset-callbacks . (,Self_alignment_interface::centered_on_parent))
747 (before-line-breaking-callback . ,Script_interface::before_line_breaking)
748 (font-family . music)
749 (meta . ((interfaces . (script-interface side-position-interface font-interface item-interface ))))
754 (before-line-breaking-callback . ,Script_column::before_line_breaking)
755 (meta . ((interfaces . (script-column-interface item-interface ))))
760 (molecule-callback . ,Slur::brew_molecule)
762 (spacing-procedure . ,Spanner::set_spacing_rods)
763 (minimum-length . 1.5)
764 (after-line-breaking-callback . ,Slur::after_line_breaking)
765 (extremity-rules . ,default-slur-extremity-rules)
766 (extremity-offset-alist . ,default-slur-extremity-offset-alist)
767 (de-uglify-parameters . (1.5 0.8 -2.0))
768 (Y-extent-callback . ,Slur::height)
773 (attachment . (#f . #f))
774 (attachment-offset . ((0 . 0) . (0 . 0)))
776 (details . ((force-blowfit . 0.5)
777 (bezier-pct-c0 . -0.2) (bezier-pct-c3 . 0.000006)
778 (bezier-pct-out-max . 0.8) (bezier-pct-in-max . 1.2)
779 (bezier-area-steps . 1.0)))
780 (meta . ((interfaces . (slur-interface spanner-interface))))
785 (spacing-procedure . ,Spacing_spanner::set_springs)
786 (grace-space-factor . 0.6)
787 (shortest-duration-space . 2.0)
788 (spacing-increment . 1.2)
789 (base-shortest-duration . ,(ly:make-moment 1 8))
790 (meta . ((interfaces . (spacing-interface spacing-spanner-interface spanner-interface))))
795 (break-align-symbol . staff-bar)
796 (bar-size-procedure . ,Span_bar::get_bar_size)
797 (molecule-callback . ,Span_bar::brew_molecule)
798 (break-visibility . ,begin-of-line-invisible)
799 (X-extent-callback . ,Span_bar::width_callback)
800 (Y-extent-callback . ())
803 (before-line-breaking-callback . ,Span_bar::before_line_breaking)
807 ;; Ross. page 151 lists other values, we opt for a leaner look
811 (hair-thickness . 1.6)
812 (thick-thickness . 6.0)
813 (meta . ((interfaces . (span-bar-interface font-interface
814 bar-line-interface item-interface ))))
820 (molecule-callback . ,Text_item::brew_molecule)
821 (break-align-symbol . clef)
822 (break-visibility . ,begin-of-line-visible)
823 (font-family . roman)
824 (meta . ((interfaces . (break-aligned-interface text-interface font-interface item-interface ))))
830 (stem-spacing-correction . 0.4)
831 (knee-spacing-correction . 0.75)
832 (meta . ((interfaces . (spacing-interface staff-spacing-interface item-interface ))))
836 (stem-spacing-correction . 0.5)
837 (knee-spacing-correction . 0.75)
838 (meta . ((interfaces . (spacing-interface note-spacing-interface item-interface ))))
843 (molecule-callback . ,Staff_symbol::brew_molecule)
846 (meta . ((interfaces . (staff-symbol-interface spanner-interface))))
851 (molecule-callback . ,Text_item::brew_molecule)
853 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
854 (no-spacing-rods . #t)
855 (padding . 0.0) ;; padding relative to SostenutoPedalLineSpanner
857 (font-family . roman)
858 (font-shape . italic)
859 (self-alignment-X . 0)
860 (meta . ((interfaces . (text-interface self-alignment-interface font-interface item-interface))))
863 (SostenutoPedalLineSpanner
866 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
867 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
871 (minimum-space . 1.0)
873 (meta . ((interfaces . (piano-pedal-interface axis-group-interface side-position-interface spanner-interface))))
878 (before-line-breaking-callback . ,Stem::before_line_breaking)
879 (molecule-callback . ,Stem::brew_molecule)
882 ;; 3.5 (or 3 measured from note head) is standar length
883 ;; 32nd, 64th flagged stems should be longer
884 (lengths . (3.5 3.5 3.5 4.5 5.0))
886 ;; Stems in unnatural (forced) direction should be shortened by
887 ;; one staff space, according to [Roush & Gourlay].
888 ;; Flagged stems we shorten only half a staff space.
889 (stem-shorten . (1.0 0.5))
891 ;; default stem direction for note on middle line
892 (neutral-direction . -1)
894 ;; [Wanske]: standard length (but no shorter than minimum).
895 ;; (beamed-lengths . (3.5))
897 ;; FIXME. 3.5 yields too long beams (according to Ross and
898 ;; looking at Baerenreiter examples) for a number of common
899 ;; boundary cases. Subtracting half a beam thickness fixes
900 ;; this, but the bug may well be somewhere else.
901 (beamed-lengths . (3.26))
903 ;; [Wanske] lists three sets of minimum lengths. One
904 ;; set for the nomal case, and one set for beams with `der
905 ;; Balkenendpunkt weiter "uber bzw. unter die Systemgrenze
906 ;; hinaus (bei Gruppen mit grossem Tonumfang)' and the extreme
909 ;; Note that Wanske lists numbers lengths starting from top of
910 ;; head, so we must add half a staff space.
912 ;; We use the normal minima as minimum for the ideal lengths,
913 ;; and the extreme minima as abolute minimum length.
915 ;; The 'normal' minima
916 (beamed-minimum-free-lengths . (2.5 2.0 1.5))
918 ;; The 'far outside staff' minima, not used
919 ;(beamed-far-minimum-free-lengths . (1.83))
921 ;; The 'extreme case' minima
922 (beamed-extreme-minimum-free-lengths . (1.83 1.5))
924 (X-offset-callbacks . (,Stem::off_callback))
925 (X-extent-callback . ,Stem::dim_callback)
926 (Y-extent-callback . ,Stem::height)
927 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
928 (adjust-if-on-staffline . #t)
929 (font-family . music)
930 (avoid-note-head . #f)
932 (meta . ((interfaces . (stem-interface font-interface item-interface ))))
937 (molecule-callback . ,Stem_tremolo::brew_molecule)
938 (Y-extent-callback . ,Stem_tremolo::height)
939 (X-extent-callback . #f)
941 (beam-width . 1.6) ; staff-space
942 (beam-thickness . 0.48) ; staff-space
943 (meta . ((interfaces . (stem-tremolo-interface item-interface ))))
948 (meta . ((interfaces . (spacing-interface separation-item-interface item-interface ))))
951 (SeparatingGroupSpanner
953 (spacing-procedure . ,Separating_group_spanner::set_spacing_rods)
954 (meta . ((interfaces . (spacing-interface separation-spanner-interface spanner-interface))))
959 (no-spacing-rods . #t)
960 (molecule-callback . ,Sustain_pedal::brew_molecule)
961 (self-alignment-X . 0)
963 (padding . 0.0) ;; padding relative to SustainPedalLineSpanner
965 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
966 (meta . ((interfaces . (piano-pedal-interface text-spanner-interface text-interface self-alignment-interface font-interface item-interface))))
969 (SustainPedalLineSpanner
972 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
973 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
976 (minimum-space . 1.0)
978 (meta . ((interfaces . (piano-pedal-interface axis-group-interface side-position-interface spanner-interface))))
984 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
985 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
986 (meta . ((interfaces . (system-interface axis-group-interface spanner-interface))))
992 (molecule-callback . ,System_start_delimiter::brew_molecule)
993 (collapse-height . 5.0)
994 (font-family . braces)
995 (Y-extent-callback . #f)
996 (meta . ((interfaces . (system-start-delimiter-interface font-interface))))
1001 (Y-extent-callback . #f)
1002 (molecule-callback . ,System_start_delimiter::brew_molecule)
1008 (bracket-collapse-height . 1)
1010 (meta . ((interfaces . (system-start-delimiter-interface spanner-interface))))
1015 (Y-extent-callback . #f)
1016 (molecule-callback . ,System_start_delimiter::brew_molecule)
1017 (glyph . "bar-line")
1019 (after-line-breaking-callback . ,System_start_delimiter::after_line_breaking)
1020 (meta . ((interfaces . (system-start-delimiter-interface spanner-interface))))
1025 (molecule-callback . ,Text_item::brew_molecule)
1026 (no-spacing-rods . #t)
1027 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
1030 (script-priority . 200)
1031 ;; todo: add X self alignment?
1033 (font-family . roman)
1034 (meta . ((interfaces . (text-script-interface text-interface side-position-interface font-interface item-interface ))))
1039 (molecule-callback . ,Text_spanner::brew_molecule)
1040 (font-family . roman)
1043 ;; urg, only for (de)cresc. text spanners
1044 (if-text-padding . 1.0)
1045 (width-correct . -1)
1048 (meta . ((interfaces . (text-spanner-interface side-position-interface font-interface spanner-interface))))
1053 (font-family . roman)
1055 (molecule-callback . ,tablature-molecule-callback)
1056 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
1057 (extra-offset . (0 . -0.65)) ;; UGH! TODO: Clean this up!
1058 (stem-attachment-function . ,tablature-stem-attachment-function)
1059 (meta . ((interfaces
1060 . (rhythmic-head-interface
1062 note-head-interface staff-symbol-referencer-interface
1063 text-interface item-interface ))))
1069 (molecule-callback . ,Tie::brew_molecule)
1070 (spacing-procedure . ,Spanner::set_spacing_rods)
1071 (staffline-clearance . 0.35)
1072 (details . ((ratio . 0.333) (height-limit . 1.0)))
1076 (minimum-length . 2.5)
1077 (meta . ((interfaces . (tie-interface spanner-interface))))
1082 (after-line-breaking-callback . ,Tie_column::after_line_breaking)
1083 (X-extent-callback . ())
1084 (Yoo-extent-callback . ())
1085 (meta . ((interfaces . (tie-column-interface spanner-interface))))
1090 (molecule-callback . ,Time_signature::brew_molecule)
1091 (break-align-symbol . time-signature)
1092 (break-visibility . ,all-visible)
1094 (first-note . (extra-space . 2.0))
1095 (right-edge . (extra-space . 0.5))
1096 (staff-bar . (minimum-space . 2.0))
1100 (font-family . number)
1101 (meta . ((interfaces . (time-signature-interface break-aligned-interface font-interface item-interface ))))
1109 (edge-widen . (0.0 . 0.0))
1110 (edge-height . (0.7 . 0.7))
1111 (shorten-pair . (-0.2 . -0.2))
1112 (before-line-breaking-callback . ,Tuplet_bracket::before_line_breaking)
1113 (after-line-breaking-callback . ,Tuplet_bracket::after_line_breaking)
1114 (molecule-callback . ,Tuplet_bracket::brew_molecule)
1115 (font-family . roman)
1116 (font-shape . italic)
1118 (font-relative-size . -1)
1119 (meta . ((interfaces . (text-interface tuplet-bracket-interface font-interface spanner-interface))))
1124 (molecule-callback . ,Text_item::brew_molecule)
1125 (font-family . roman)
1126 (font-shape . italic)
1127 (no-spacing-rods . #t)
1128 (self-alignment-X . 0)
1131 (padding . 0.0) ;; padding relative to UnaCordaPedalLineSpanner
1132 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
1133 (meta . ((interfaces . (text-interface self-alignment-interface font-interface item-interface ))))
1136 (UnaCordaPedalLineSpanner
1139 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1140 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1143 (minimum-space . 1.0)
1145 (meta . ((interfaces . (piano-pedal-interface axis-group-interface side-position-interface spanner-interface))))
1150 (molecule-callback . ,Volta_bracket_interface::brew_molecule)
1153 (font-style . volta)
1154 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1155 (thickness . 1.6) ; stafflinethickness
1156 (height . 2.0) ; staffspace;
1158 (font-family . number)
1159 (font-relative-size . -2)
1160 (meta . ((interfaces . (volta-bracket-interface text-interface side-position-interface font-interface spanner-interface))))
1166 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1168 (meta . ((interfaces . (align-interface axis-group-interface spanner-interface))))
1174 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1176 (meta . ((interfaces . (axis-group-interface spanner-interface))))
1184 (define (completize-grob-entry x)
1185 "transplant assoc key into 'name entry of 'meta of X
1187 (let* ((name-sym (car x))
1188 (grob-entry (cdr x))
1189 (metaentry (cdr (assoc 'meta grob-entry)))
1191 (cdr (assoc 'interfaces metaentry)))
1194 (set! metaentry (assoc-set! metaentry 'name name-sym))
1195 (set! metaentry (assoc-set! metaentry 'interfaces
1196 (cons 'grob-interface ifaces-entry)))
1197 (set! grob-entry (assoc-set! grob-entry 'meta metaentry))
1198 (cons name-sym grob-entry)))
1200 (set! all-grob-descriptions (map completize-grob-entry all-grob-descriptions))
1204 ; (display (map pair? all-grob-descriptions))
1207 ;; make sure that \property Foo.Bar =\turnOff doesn't complain
1210 ; (display (car x)) (newline)
1212 (set-object-property! (car x) 'translation-type? list?)
1213 (set-object-property! (car x) 'is-grob? #t))
1214 all-grob-descriptions)
1217 (set! all-grob-descriptions (sort all-grob-descriptions alist<?))