1 ;;;; grob-description.scm -- part of generated backend documentation
3 ;;;; source file of the GNU LilyPond music typesetter
5 ;;;; (c) 1998--2003 Han-Wen Nienhuys <hanwen@cs.uu.nl>
6 ;;;; Jan Nieuwenhuizen <janneke@gnu.org>
8 ;;;; distances are given in stafflinethickness (thicknesses) and
9 ;;;; staffspace (distances)
11 ;;;; WARNING: the meta field should be the last one.
12 ;;;; WARNING: don't use anonymous functions for initialization.
14 ;; TODO: junk the meta field in favor of something more compact?
15 (define-public all-grob-descriptions
19 (molecule-callback . ,Accidental_interface::brew_molecule)
21 (cautionary-style . parentheses)
22 (after-line-breaking-callback . ,Accidental_interface::after_line_breaking) (meta . ((interfaces . (item-interface accidental-interface font-interface))))
26 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
29 ;; this is quite small, but it is very ugly to have
30 ;; accs closer to the previous note than to the next one.
31 (right-padding . 0.15)
32 (meta . ((interfaces . (item-interface accidental-placement-interface))))
38 (break-align-symbol . ambitus)
39 (molecule-callback . ,Ambitus::brew_molecule)
41 (note-head-style . "noteheads-2")
42 (visibility-lambda . ,begin-of-line-visible)
45 (clef . (extra-space . 0.0))
46 (key-signature . (extra-space . 0.0))
47 (staff-bar . (extra-space . 0.0))
48 (time-signature . (extra-space . 0.0))
49 (first-note . (extra-space . 0.0))
51 (meta . ((interfaces . (ambitus-interface staff-symbol-referencer-interface break-aligned-interface item-interface font-interface))))
56 (X-extent-callback . ,Arpeggio::width_callback)
57 (Y-extent-callback . #f)
58 (molecule-callback . ,Arpeggio::brew_molecule)
59 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
60 (X-offset-callbacks . (,Side_position_interface::aligned_side))
62 (staff-position . 0.0)
63 (meta . ((interfaces . (arpeggio-interface staff-symbol-referencer-interface side-position-interface item-interface font-interface))))
68 (break-align-symbol . staff-bar)
70 (break-glyph-function . ,default-break-barline)
71 (bar-size-procedure . ,Bar_line::get_staff_bar_size)
72 (molecule-callback . ,Bar_line::brew_molecule)
73 (break-visibility . ,all-visible)
75 (before-line-breaking-callback . ,Bar_line::before_line_breaking)
77 (time-signature . (extra-space . 0.75))
78 (custos . (minimum-space . 2.0))
79 (clef . (minimum-space . 1.0))
80 (first-note . (extra-space . 1.3))
81 (right-edge . (extra-space . 0.0))
85 ;; Ross. page 151 lists other values, we opt for a leaner look
89 (hair-thickness . 1.6)
90 (thick-thickness . 6.0)
91 (meta . ((interfaces . (bar-line-interface item-interface break-aligned-interface font-interface))))
97 (molecule-callback . ,Text_item::brew_molecule)
99 (break-visibility . ,begin-of-line-visible)
102 (font-family . roman)
103 (font-relative-size . -1)
104 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
105 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
106 (self-alignment-X . 1)
107 (extra-offset . (1.3 . 0))
109 ((interfaces . (side-position-interface
111 self-alignment-interface
112 font-interface item-interface break-aligned-interface))))
118 (molecule-callback . ,brew-new-markup-molecule)
119 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
121 (font-family . number)
122 (font-relative-size . -1)
124 (meta . ((interfaces . (text-interface rhythmic-grob-interface
125 bass-figure-interface item-interface
126 self-alignment-interface font-interface))))
130 ;; todo: clean this up a bit: the list is getting
132 (molecule-callback . ,Beam::brew_molecule)
133 (concaveness-gap . 2.0)
134 (concaveness-threshold . 0.08)
136 (positions . (#f . #f))
137 (position-callbacks . (,Beam::least_squares
140 ,Beam::shift_region_to_valid
144 ;; TODO: should be in SLT.
145 (thickness . 0.48) ; in staff-space
146 (before-line-breaking-callback . ,Beam::before_line_breaking)
147 (after-line-breaking-callback . ,Beam::after_line_breaking)
148 (neutral-direction . -1)
149 (dir-function . ,beam-dir-majority-median)
151 ;; Whe have some unreferenced problems here.
153 ;; If we shorten beamed stems less than normal stems (1 staffspace),
154 ;; or high order less than 8th beams, patterns like
155 ;; c''4 [c''8 c''] c''4 [c''16 c]
156 ;; are ugly (different stem lengths).
158 ;; But if we shorten 16th beams as much as 8th beams, a single
159 ;; forced 16th beam looks *very* short.
161 ;; We choose to shorten 8th beams the same as single stems,
162 ;; and high order beams less than 8th beams, so that all
163 ;; isolated shortened beams look nice and a bit shortened,
164 ;; sadly possibly breaking patterns with high order beams.
165 (beamed-stem-shorten . (1.0 0.5 0.25))
167 (outer-stem-length-limit . 0.2)
169 (flag-width-function . ,beam-flag-width-function)
171 (auto-knee-gap . 5.5)
173 ;; only for debugging.
174 ; (font-name . "cmr10")
176 (space-function . ,Beam::space_function)
177 (meta . ((interfaces . (staff-symbol-referencer-interface beam-interface spanner-interface))))
185 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
186 (meta . ((interfaces . (break-alignment-interface item-interface axis-group-interface)))))
192 (X-offset-callbacks . (,Break_align_interface::alignment_callback))
193 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
194 (meta . ((interfaces . (break-aligned-interface item-interface axis-group-interface item-interface ))))
199 (break-align-symbol . breathing-sign)
202 (ambitus . (extra-space . 2.0))
203 (custos . (minimum-space . 1.0))
204 (key-signature . (minimum-space . 1.5))
205 (staff-bar . (minimum-space . 1.5))
206 (clef . (minimum-space . 2.0))
207 (first-note . (minimum-space . 1.0))
208 (right-edge . (extra-space . 0.1))
210 (molecule-callback . ,Breathing_sign::brew_molecule)
212 (font-family . music)
213 (text . "scripts-rcomma")
214 (Y-offset-callbacks . (,Breathing_sign::offset_callback))
215 (break-visibility . ,begin-of-line-invisible)
216 (meta . ((interfaces . (break-aligned-interface breathing-sign-interface text-interface font-interface item-interface ))))
221 (molecule-callback . ,Clef::brew_molecule)
222 (before-line-breaking-callback . ,Clef::before_line_breaking)
224 (font-family . music)
225 (break-align-symbol . clef)
226 (break-visibility . ,begin-of-line-visible)
228 (ambitus . (extra-space . 2.0))
229 (staff-bar . (minimum-space . 3.7))
230 (key-signature . (minimum-space . 4.0))
231 (time-signature . (minimum-space . 4.2))
232 (first-note . (minimum-space . 5.0))
233 (next-note . (extra-space . 0.5))
234 (right-edge . (extra-space . 0.5))
236 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
237 (meta . ((interfaces . (clef-interface staff-symbol-referencer-interface font-interface break-aligned-interface item-interface ))))
242 (molecule-callback . ,Cluster::brew_molecule)
243 (spacing-procedure . ,Spanner::set_spacing_rods)
244 (minimum-length . 0.0)
246 (shape . leftsided-stairs)
247 (meta . ((interfaces . (cluster-interface spanner-interface))))
252 (molecule-callback . ,new-chord-name-brew-molecule)
253 (after-line-breaking-callback . ,Chord_name::after_line_breaking)
255 (font-family . roman)
256 (meta . ((interfaces . (font-interface rhythmic-grob-interface
257 text-interface chord-name-interface item-interface ))))
262 (break-align-symbol . custos)
264 (molecule-callback . ,Custos::brew_molecule)
265 (break-visibility . ,end-of-line-visible)
267 (neutral-position . 0)
268 (neutral-direction . -1)
269 (adjust-if-on-staffline . #t)
270 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
272 (first-note . (minimum-space . 0.0))
273 (right-edge . (extra-space . 0.1))
276 . (custos-interface staff-symbol-referencer-interface
278 break-aligned-interface item-interface ))))
286 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
287 (X-offset-callbacks . (,Dot_column::side_position))
288 (meta . ((interfaces . (dot-column-interface axis-group-interface item-interface ))))
293 (molecule-callback . ,Dots::brew_molecule)
295 (Y-offset-callbacks . (,Dots::quantised_position_callback ,Staff_symbol_referencer::callback))
296 (meta . ((interfaces . (font-interface staff-symbol-referencer-interface dots-interface item-interface ))))
299 (DoublePercentRepeat .
301 (molecule-callback . ,Percent_repeat_item_interface::double_percent)
304 (font-family . music)
307 (break-align-symbol . staff-bar)
308 (break-visibility . ,begin-of-line-invisible)
309 (meta . ((interfaces . (font-interface
310 break-aligned-interface
311 percent-repeat-interface item-interface ))))
316 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
317 (molecule-callback . ,Text_item::brew_molecule)
318 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self
319 ,Self_alignment_interface::centered_on_parent))
320 (self-alignment-X . 0)
321 (no-spacing-rods . #t)
322 (script-priority . 100)
324 (font-family . dynamic)
325 (font-shape . italic)
326 (self-alignment-Y . 0)
327 (meta . ((interfaces . (font-interface text-interface self-alignment-interface dynamic-interface script-interface item-interface ))))
333 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
334 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
336 (minimum-space . 1.2)
338 (meta . ((interfaces . (dynamic-interface axis-group-interface side-position-interface spanner-interface))))
343 (break-align-symbol . left-edge)
344 (X-extent-callback . ,Grob::point_dimension_callback)
347 (custos . (extra-space . 0.0))
348 (ambitus . (extra-space . 2.0))
349 (time-signature . (extra-space . 0.0))
350 (staff-bar . (extra-space . 0.0))
351 (breathing-sign . (minimum-space . 0.0))
352 (clef . (extra-space . 1.0))
353 (first-note . (extra-space . 1.0))
354 (right-edge . (extra-space . 0.0))
355 (key-signature . (extra-space . 0.0))
357 (meta . ((interfaces . (break-aligned-interface item-interface ))))
362 (molecule-callback . ,Text_item::brew_molecule)
365 (self-alignment-X . 0)
366 (self-alignment-Y . 0)
367 (script-priority . 100)
368 (font-family . number)
369 (font-relative-size . -3)
370 (font-shape . upright)
371 (meta . ((interfaces . (finger-interface font-interface text-script-interface text-interface side-position-interface self-alignment-interface item-interface ))))
375 (HaraKiriVerticalGroup
377 (Y-offset-callbacks . (,Hara_kiri_group_spanner::force_hara_kiri_callback))
378 (Y-extent-callback . ,Hara_kiri_group_spanner::y_extent)
380 (meta . ((interfaces . (axis-group-interface hara-kiri-group-interface item-interface spanner-interface))))
385 (molecule-callback . ,Hairpin::brew_molecule)
388 (spacing-procedure . ,Spanner::set_spacing_rods)
389 (minimum-length . 2.0)
390 (if-text-padding . 1.0)
391 (width-correct . -1.0)
393 (dash-thickness . 1.2)
395 (self-alignment-Y . 0)
396 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
397 (meta . ((interfaces . (hairpin-interface self-alignment-interface dynamic-interface spanner-interface))))
403 (molecule-callback . ,Horizontal_bracket::brew_molecule)
404 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
407 (meta . ((interfaces . (horizontal-bracket-interface side-position-interface spanner-interface))))
412 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self
413 ,Side_position_interface::aligned_on_support_refpoints))
414 ;; huh? what's this for?
417 (left-edge . (extra-space . 1.0))
420 (self-alignment-Y . 0)
421 (molecule-callback . ,Text_item::brew_molecule)
422 (break-align-symbol . instrument-name)
423 (break-visibility . ,begin-of-line-visible)
425 (font-family . roman)
426 (meta . ((interfaces . (font-interface self-alignment-interface side-position-interface text-interface break-aligned-interface item-interface ))))
431 (molecule-callback . ,Key_signature_interface::brew_molecule)
433 (time-signature . (extra-space . 1.25))
434 (staff-bar . (extra-space . 1.1))
435 (right-edge . (extra-space . 0.5))
436 (first-note . (extra-space . 2.5))
438 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
439 (break-align-symbol . key-signature)
440 (break-visibility . ,begin-of-line-visible)
442 (meta . ((interfaces . (key-signature-interface font-interface break-aligned-interface item-interface ))))
447 (ligature-primitive-callback . ,Note_head::brew_molecule)
452 (edge-widen . (0.0 . 0.0))
453 (edge-height . (0.7 . 0.7))
454 (shorten-pair . (-0.2 . -0.2))
455 (before-line-breaking-callback . ,Tuplet_bracket::before_line_breaking)
456 (after-line-breaking-callback . ,Tuplet_bracket::after_line_breaking)
457 (molecule-callback . ,Tuplet_bracket::brew_molecule)
458 (meta . ((interfaces . (tuplet-bracket-interface spanner-interface))))
465 (minimum-length . 0.5)
466 (maximum-length . 100)
467 (molecule-callback . ,Hyphen_spanner::brew_molecule)
468 (Y-extent-callback . ,Grob::point_dimension_callback)
469 (meta . ((interfaces . (lyric-hyphen-interface spanner-interface))))
474 (molecule-callback . ,Lyric_extender::brew_molecule)
475 (height . 0.8) ; stafflinethickness;
476 (right-trim-amount . 0.5)
477 (Y-extent-callback . ,Grob::point_dimension_callback)
478 (meta . ((interfaces . (lyric-extender-interface spanner-interface))))
483 (molecule-callback . ,Text_item::brew_molecule)
484 (X-offset-callbacks . (,Self_alignment_interface::centered_on_parent
485 ,Self_alignment_interface::aligned_on_self))
486 (self-alignment-X . 0)
488 (ignore-length-mismatch . #f)
489 (begin-alignment . 4)
491 (font-family . roman)
492 (font-shape . upright)
494 ;; duh, side-position-interface?
495 (meta . ((interfaces . (rhythmic-grob-interface lyric-syllable-interface self-alignment-interface text-interface font-interface item-interface ))))
502 (ligature-primitive-callback . ,Mensural_ligature::brew_ligature_primitive)
503 (molecule-callback . ,Mensural_ligature::brew_molecule)
504 (meta . ((interfaces . (mensural-ligature-interface font-interface))))
509 (molecule-callback . ,brew-new-markup-molecule)
510 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
511 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
512 (self-alignment-X . 0)
513 (break-align-symbol . time-signature)
516 (font-family . roman)
518 (break-visibility . ,end-of-line-invisible)
520 (meta . ((interfaces . (text-interface side-position-interface font-interface mark-interface self-alignment-interface item-interface ))))
524 (molecule-callback . ,brew-new-markup-molecule)
525 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
528 (font-family . roman)
529 (break-visibility . ,end-of-line-invisible)
531 (meta . ((interfaces . (text-interface side-position-interface font-interface metronome-mark-interface item-interface))))
535 (Y-offset-callbacks . (,Side_position_interface::out_of_staff
536 ,Side_position_interface::aligned_side))
537 (molecule-callback . ,Measure_grouping::brew_molecule)
543 (meta . ((interfaces . (spanner-interface side-position-interface measure-grouping-interface))))
547 (spacing-procedure . ,Multi_measure_rest::set_spacing_rods)
548 (molecule-callback . ,Multi_measure_rest::brew_molecule)
549 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
552 (thick-thickness . 6.6)
553 (hair-thickness . 2.0)
555 (meta . ((interfaces . (multi-measure-rest-interface rest-interface font-interface staff-symbol-referencer-interface))))
558 (MultiMeasureRestNumber
560 (molecule-callback . ,brew-new-markup-molecule)
561 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self
562 ,Self_alignment_interface::centered_on_other_axis_parent))
563 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
564 (self-alignment-X . 0)
567 (font-family . number)
568 (meta . ((interfaces . (side-position-interface self-alignment-interface font-interface spanner-interface text-interface))))
570 (MultiMeasureRestText
572 (molecule-callback . ,brew-new-markup-molecule)
573 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self
574 ,Self_alignment_interface::centered_on_other_axis_parent))
575 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
576 (self-alignment-X . 0)
579 (font-family . roman)
580 (meta . ((interfaces . (side-position-interface self-alignment-interface font-interface spanner-interface text-interface))))
585 ;; Ugh, should not be hard-coded.
587 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
588 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
589 (meta . ((interfaces . (note-collision-interface axis-group-interface item-interface ))))
595 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
596 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
597 (meta . ((interfaces . (axis-group-interface note-column-interface item-interface ))))
603 (molecule-callback . ,Note_head::brew_molecule)
604 (ligature-primitive-callback . ,Note_head::brew_molecule)
605 (glyph-name-procedure . ,find-notehead-symbol)
606 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
607 (stem-attachment-function . ,note-head-style->attachment-coordinates)
608 (meta . ((interfaces . (rhythmic-grob-interface rhythmic-head-interface font-interface note-head-interface staff-symbol-referencer-interface item-interface ))))
615 (zigzag-width . 0.75)
617 (X-extent-callback . #f)
618 (Y-extent-callback . #f)
619 (molecule-callback . ,Line_spanner::brew_molecule)
620 (meta . ((interfaces . (line-spanner-interface spanner-interface))))
628 (X-extent-callback . #f)
629 (Y-extent-callback . #f)
630 (molecule-callback . ,Line_spanner::brew_molecule)
631 (meta . ((interfaces . (line-spanner-interface spanner-interface))))
636 (molecule-callback . ,Text_item::brew_molecule)
637 (font-family . roman)
638 (meta . ((interfaces . (note-name-interface text-interface font-interface item-interface ))))
643 (self-alignment-X . 0)
645 (break-visibility . ,begin-of-line-visible)
646 (X-offset-callbacks . (,Self_alignment_interface::centered_on_parent ,Self_alignment_interface::aligned_on_self))
647 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
648 (molecule-callback . ,Text_item::brew_molecule)
649 (font-shape . italic)
651 (font-relative-size . -2)
652 (font-family . roman)
653 (meta . ((interfaces . (text-interface self-alignment-interface side-position-interface font-interface item-interface ))))
659 (before-line-breaking-callback . ,Paper_column::before_line_breaking)
660 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
662 ; (molecule-callback . ,Paper_column::brew_molecule) (font-name . "cmr8") (Y-extent-callback . #f)
663 (meta . ((interfaces . (paper-column-interface axis-group-interface spaceable-grob-interface item-interface ))))
668 (molecule-callback . ,Slur::brew_molecule)
670 (spacing-procedure . ,Spanner::set_spacing_rods)
671 (minimum-length . 1.5)
672 (after-line-breaking-callback . ,Slur::after_line_breaking)
673 (extremity-rules . ,default-slur-extremity-rules)
674 (extremity-offset-alist . ,default-phrasing-slur-extremity-offset-alist)
675 (de-uglify-parameters . (1.5 0.8 -2.0))
676 (Y-extent-callback . ,Slur::height)
681 (attachment . (#f . #f))
682 (attachment-offset . ((0 . 0) . (0 . 0)))
684 (details . ((force-blowfit . 0.5)
685 (bezier-pct-c0 . -0.2) (bezier-pct-c3 . 0.000006)
686 (bezier-pct-out-max . 0.8) (bezier-pct-in-max . 1.2)
687 (bezier-area-steps . 1.0)))
688 (meta . ((interfaces . (slur-interface spanner-interface))))
691 (NonMusicalPaperColumn
694 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
695 (before-line-breaking-callback . ,Paper_column::before_line_breaking)
696 ;; debugging stuff: print column number.
697 ; (molecule-callback . ,Paper_column::brew_molecule) (font-name . "cmr8") (Y-extent-callback . #f)
700 (meta . ((interfaces . (paper-column-interface axis-group-interface spaceable-grob-interface item-interface ))))
705 (spacing-procedure . ,Multi_measure_rest::set_spacing_rods)
706 (molecule-callback . ,Multi_measure_rest::percent)
709 (minimum-width . 12.5) ; staffspace
710 (font-family . music)
711 (meta . ((interfaces . (multi-measure-rest-interface spanner-interface font-interface percent-repeat-interface))))
714 (PianoPedalBracket ;; an example of a text spanner
716 (molecule-callback . ,Text_spanner::brew_molecule)
717 (font-family . roman)
719 (if-text-padding . 1.0)
721 (enclose-bounds . #t)
723 (edge-widen . (0.5 . 0.5))
724 (edge-height . (1.0 . 1.0))
725 (shorten-pair . (0.0 . 0.0))
727 (meta . ((interfaces . (text-spanner-interface piano-pedal-interface spanner-interface))))
732 (molecule-callback . , Percent_repeat_item_interface::beat_slash)
735 (meta . ((interfaces . (percent-repeat-interface item-interface ))))
739 (after-line-breaking-callback . ,Rest::after_line_breaking)
740 (X-extent-callback . ,Rest::extent_callback)
741 (Y-extent-callback . ,Rest::extent_callback)
742 (molecule-callback . ,Rest::brew_molecule)
743 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
744 (minimum-beam-collision-distance . 0.75)
746 (interfaces . (font-interface
747 rhythmic-head-interface
748 rhythmic-grob-interface
750 staff-symbol-referencer-interface
751 rest-interface item-interface ))
756 (minimum-distance . 0.75)
757 (meta . ((interfaces . (rest-collision-interface item-interface ))))
762 ;; don't set direction here: it breaks staccato.
763 (molecule-callback . ,Script_interface::brew_molecule)
765 ;; This value is sensitive: if too large, staccato dots will move a
768 ;; (script-priority . 0) priorities for scripts, see script.scm
769 (X-offset-callbacks . (,Self_alignment_interface::centered_on_parent))
770 (before-line-breaking-callback . ,Script_interface::before_line_breaking)
771 (font-family . music)
772 (meta . ((interfaces . (script-interface side-position-interface font-interface item-interface ))))
777 (before-line-breaking-callback . ,Script_column::before_line_breaking)
778 (meta . ((interfaces . (script-column-interface item-interface ))))
783 (molecule-callback . ,Slur::brew_molecule)
785 (spacing-procedure . ,Spanner::set_spacing_rods)
786 (minimum-length . 1.5)
787 (after-line-breaking-callback . ,Slur::after_line_breaking)
788 (extremity-rules . ,default-slur-extremity-rules)
789 (extremity-offset-alist . ,default-slur-extremity-offset-alist)
790 (de-uglify-parameters . (1.5 0.8 -2.0))
791 (Y-extent-callback . ,Slur::height)
796 (attachment . (#f . #f))
797 (attachment-offset . ((0 . 0) . (0 . 0)))
799 (details . ((force-blowfit . 0.5)
800 (bezier-pct-c0 . -0.2) (bezier-pct-c3 . 0.000006)
801 (bezier-pct-out-max . 0.8) (bezier-pct-in-max . 1.2)
802 (bezier-area-steps . 1.0)))
803 (meta . ((interfaces . (slur-interface spanner-interface))))
808 (spacing-procedure . ,Spacing_spanner::set_springs)
809 (grace-space-factor . 0.6)
810 (shortest-duration-space . 2.0)
811 (spacing-increment . 1.2)
812 (base-shortest-duration . ,(ly:make-moment 1 8))
813 (meta . ((interfaces . (spacing-interface spacing-spanner-interface spanner-interface))))
818 (break-align-symbol . staff-bar)
819 (bar-size-procedure . ,Span_bar::get_bar_size)
820 (molecule-callback . ,Span_bar::brew_molecule)
821 (break-visibility . ,begin-of-line-invisible)
822 (X-extent-callback . ,Span_bar::width_callback)
823 (Y-extent-callback . ())
826 (before-line-breaking-callback . ,Span_bar::before_line_breaking)
830 ;; Ross. page 151 lists other values, we opt for a leaner look
834 (hair-thickness . 1.6)
835 (thick-thickness . 6.0)
836 (meta . ((interfaces . (span-bar-interface font-interface
837 bar-line-interface item-interface ))))
843 (molecule-callback . ,Text_item::brew_molecule)
844 (break-align-symbol . clef)
845 (break-visibility . ,begin-of-line-visible)
846 (font-family . roman)
847 (meta . ((interfaces . (break-aligned-interface text-interface font-interface item-interface ))))
853 (stem-spacing-correction . 0.4)
855 (meta . ((interfaces . (spacing-interface staff-spacing-interface item-interface ))))
859 (stem-spacing-correction . 0.5)
861 ;; Changed this from 0.75.
862 ;; If you ever change this back, please document! --hwn
864 (knee-spacing-correction . 1.0)
865 (meta . ((interfaces . (spacing-interface note-spacing-interface item-interface ))))
870 (molecule-callback . ,Staff_symbol::brew_molecule)
873 (meta . ((interfaces . (staff-symbol-interface spanner-interface))))
878 (molecule-callback . ,Text_item::brew_molecule)
880 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
881 (no-spacing-rods . #t)
882 (padding . 0.0) ;; padding relative to SostenutoPedalLineSpanner
884 (font-family . roman)
885 (font-shape . italic)
886 (self-alignment-X . 0)
887 (meta . ((interfaces . (text-interface self-alignment-interface font-interface item-interface))))
890 (SostenutoPedalLineSpanner
893 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
894 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
898 (minimum-space . 1.0)
900 (meta . ((interfaces . (piano-pedal-interface axis-group-interface side-position-interface spanner-interface))))
906 ;; this list is rather long. Trim --hwn
907 (before-line-breaking-callback . ,Stem::before_line_breaking)
908 (molecule-callback . ,Stem::brew_molecule)
911 ;; 3.5 (or 3 measured from note head) is standar length
912 ;; 32nd, 64th flagged stems should be longer
913 (lengths . (3.5 3.5 3.5 4.5 5.0))
915 ;; Stems in unnatural (forced) direction should be shortened by
916 ;; one staff space, according to [Roush & Gourlay].
917 ;; Flagged stems we shorten only half a staff space.
918 (stem-shorten . (1.0 0.5))
920 ;; default stem direction for note on middle line
921 (neutral-direction . -1)
923 ;; [Wanske]: standard length (but no shorter than minimum).
924 ;; (beamed-lengths . (3.5))
926 ;; FIXME. 3.5 yields too long beams (according to Ross and
927 ;; looking at Baerenreiter examples) for a number of common
928 ;; boundary cases. Subtracting half a beam thickness fixes
929 ;; this, but the bug may well be somewhere else.
930 (beamed-lengths . (3.26 3.26 1.5))
932 ;; [Wanske] lists three sets of minimum lengths. One
933 ;; set for the nomal case, and one set for beams with `der
934 ;; Balkenendpunkt weiter "uber bzw. unter die Systemgrenze
935 ;; hinaus (bei Gruppen mit grossem Tonumfang)' and the extreme
938 ;; Note that Wanske lists numbers lengths starting from top of
939 ;; head, so we must add half a staff space.
941 ;; We use the normal minima as minimum for the ideal lengths,
942 ;; and the extreme minima as abolute minimum length.
944 ;; The 'normal' minima
945 (beamed-minimum-free-lengths . (2.5 2.0 1.0))
947 ;; The 'extreme case' minima
948 (beamed-extreme-minimum-free-lengths . (1.83 1.5 1.25))
950 (X-offset-callbacks . (,Stem::off_callback))
951 (X-extent-callback . ,Stem::dim_callback)
952 (Y-extent-callback . ,Stem::height)
953 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
954 (adjust-if-on-staffline . #t)
955 (font-family . music)
956 (avoid-note-head . #f)
958 (meta . ((interfaces . (stem-interface font-interface item-interface ))))
963 (molecule-callback . ,Stem_tremolo::brew_molecule)
964 (Y-extent-callback . ,Stem_tremolo::height)
965 (X-extent-callback . #f)
967 (beam-width . 1.6) ; staff-space
968 (beam-thickness . 0.48) ; staff-space
969 (meta . ((interfaces . (stem-tremolo-interface item-interface ))))
974 (meta . ((interfaces . (spacing-interface separation-item-interface item-interface ))))
977 (SeparatingGroupSpanner
979 (spacing-procedure . ,Separating_group_spanner::set_spacing_rods)
980 (meta . ((interfaces . (spacing-interface separation-spanner-interface spanner-interface))))
985 (no-spacing-rods . #t)
986 (molecule-callback . ,Sustain_pedal::brew_molecule)
987 (self-alignment-X . 0)
989 (padding . 0.0) ;; padding relative to SustainPedalLineSpanner
991 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
992 (meta . ((interfaces . (piano-pedal-interface text-spanner-interface text-interface self-alignment-interface font-interface item-interface))))
995 (SustainPedalLineSpanner
998 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
999 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1002 (minimum-space . 1.0)
1004 (meta . ((interfaces . (piano-pedal-interface axis-group-interface side-position-interface spanner-interface))))
1010 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
1011 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1012 (meta . ((interfaces . (system-interface axis-group-interface spanner-interface))))
1018 (molecule-callback . ,System_start_delimiter::brew_molecule)
1019 (collapse-height . 5.0)
1020 (font-family . braces)
1021 (Y-extent-callback . #f)
1022 (meta . ((interfaces . (system-start-delimiter-interface font-interface))))
1027 (Y-extent-callback . #f)
1028 (molecule-callback . ,System_start_delimiter::brew_molecule)
1034 (bracket-collapse-height . 1)
1036 (meta . ((interfaces . (system-start-delimiter-interface spanner-interface))))
1041 (Y-extent-callback . #f)
1042 (molecule-callback . ,System_start_delimiter::brew_molecule)
1043 (glyph . "bar-line")
1045 (after-line-breaking-callback . ,System_start_delimiter::after_line_breaking)
1046 (meta . ((interfaces . (system-start-delimiter-interface spanner-interface))))
1051 (molecule-callback . ,Text_item::brew_molecule)
1052 (no-spacing-rods . #t)
1053 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
1056 (script-priority . 200)
1057 ;; todo: add X self alignment?
1059 (font-family . roman)
1060 (meta . ((interfaces . (text-script-interface text-interface side-position-interface font-interface item-interface ))))
1065 (molecule-callback . ,Text_spanner::brew_molecule)
1066 (font-family . roman)
1069 ;; urg, only for (de)cresc. text spanners
1070 (if-text-padding . 1.0)
1071 (width-correct . -1)
1074 (meta . ((interfaces . (text-spanner-interface side-position-interface font-interface spanner-interface))))
1079 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1080 (molecule-callback . ,Text_spanner::brew_molecule)
1081 (font-family . roman)
1082 (enclose-bounds . #t)
1083 (width-correct . 0.0)
1084 (type . dashed-line)
1085 (edge-height . (0 . 1.5))
1087 (meta . ((interfaces . (text-spanner-interface side-position-interface font-interface spanner-interface))))
1092 (font-family . roman)
1094 (molecule-callback . ,tablature-molecule-callback)
1095 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
1096 (extra-offset . (0 . -0.65)) ;; UGH! TODO: Clean this up!
1097 (stem-attachment-function . ,tablature-stem-attachment-function)
1098 (meta . ((interfaces
1099 . (rhythmic-head-interface
1101 note-head-interface staff-symbol-referencer-interface
1102 text-interface item-interface ))))
1108 (molecule-callback . ,Tie::brew_molecule)
1109 (spacing-procedure . ,Spanner::set_spacing_rods)
1110 (staffline-clearance . 0.35)
1111 (details . ((ratio . 0.333) (height-limit . 1.0)))
1115 (minimum-length . 2.5)
1116 (meta . ((interfaces . (tie-interface spanner-interface))))
1121 (after-line-breaking-callback . ,Tie_column::after_line_breaking)
1122 (X-extent-callback . ())
1123 (Yoo-extent-callback . ())
1124 (meta . ((interfaces . (tie-column-interface spanner-interface))))
1129 (molecule-callback . ,Time_signature::brew_molecule)
1130 (break-align-symbol . time-signature)
1131 (break-visibility . ,all-visible)
1133 (first-note . (extra-space . 2.0))
1134 (right-edge . (extra-space . 0.5))
1135 (staff-bar . (minimum-space . 2.0))
1139 (font-family . number)
1140 (meta . ((interfaces . (time-signature-interface break-aligned-interface font-interface item-interface ))))
1148 (edge-widen . (0.0 . 0.0))
1149 (edge-height . (0.7 . 0.7))
1150 (shorten-pair . (-0.2 . -0.2))
1151 (before-line-breaking-callback . ,Tuplet_bracket::before_line_breaking)
1152 (after-line-breaking-callback . ,Tuplet_bracket::after_line_breaking)
1153 (molecule-callback . ,Tuplet_bracket::brew_molecule)
1154 (font-family . roman)
1155 (font-shape . italic)
1157 (font-relative-size . -1)
1158 (meta . ((interfaces . (text-interface tuplet-bracket-interface font-interface spanner-interface))))
1163 (molecule-callback . ,Text_item::brew_molecule)
1164 (font-family . roman)
1165 (font-shape . italic)
1166 (no-spacing-rods . #t)
1167 (self-alignment-X . 0)
1170 (padding . 0.0) ;; padding relative to UnaCordaPedalLineSpanner
1171 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
1172 (meta . ((interfaces . (text-interface self-alignment-interface font-interface item-interface ))))
1175 (UnaCordaPedalLineSpanner
1178 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1179 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1182 (minimum-space . 1.0)
1184 (meta . ((interfaces . (piano-pedal-interface axis-group-interface side-position-interface spanner-interface))))
1191 (ligature-primitive-callback . ,Vaticana_ligature::brew_ligature_primitive)
1192 (molecule-callback . ,Vaticana_ligature::brew_molecule)
1193 (meta . ((interfaces . (vaticana-ligature-interface font-interface))))
1198 (molecule-callback . ,Volta_bracket_interface::brew_molecule)
1201 (font-style . volta)
1202 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1203 (thickness . 1.6) ; stafflinethickness
1204 (height . 2.0) ; staffspace;
1206 (font-family . number)
1207 (font-relative-size . -2)
1208 (meta . ((interfaces . (volta-bracket-interface text-interface side-position-interface font-interface spanner-interface))))
1214 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1216 (meta . ((interfaces . (align-interface axis-group-interface spanner-interface))))
1222 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1224 (meta . ((interfaces . (axis-group-interface spanner-interface))))
1232 (define (completize-grob-entry x)
1233 "transplant assoc key into 'name entry of 'meta of X
1235 (let* ((name-sym (car x))
1236 (grob-entry (cdr x))
1237 (metaentry (cdr (assoc 'meta grob-entry)))
1239 (cdr (assoc 'interfaces metaentry)))
1242 (set! metaentry (assoc-set! metaentry 'name name-sym))
1243 (set! metaentry (assoc-set! metaentry 'interfaces
1244 (cons 'grob-interface ifaces-entry)))
1245 (set! grob-entry (assoc-set! grob-entry 'meta metaentry))
1246 (cons name-sym grob-entry)))
1248 (set! all-grob-descriptions (map completize-grob-entry all-grob-descriptions))
1252 ; (display (map pair? all-grob-descriptions))
1255 ;; make sure that \property Foo.Bar =\turnOff doesn't complain
1258 ; (display (car x)) (newline)
1260 (set-object-property! (car x) 'translation-type? list?)
1261 (set-object-property! (car x) 'is-grob? #t))
1262 all-grob-descriptions)
1265 (set! all-grob-descriptions (sort all-grob-descriptions alist<?))