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 (key-signature . (extra-space . 1.0))
81 (first-note . (extra-space . 1.3))
82 (right-edge . (extra-space . 0.0))
86 ;; Ross. page 151 lists other values, we opt for a leaner look
90 (hair-thickness . 1.6)
91 (thick-thickness . 6.0)
92 (meta . ((interfaces . (bar-line-interface item-interface break-aligned-interface font-interface))))
98 (molecule-callback . ,Text_item::brew_molecule)
100 (break-visibility . ,begin-of-line-visible)
103 (font-family . roman)
104 (font-relative-size . -1)
105 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
106 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
107 (self-alignment-X . 1)
108 (extra-offset . (1.3 . 0))
110 ((interfaces . (side-position-interface
112 self-alignment-interface
113 font-interface item-interface break-aligned-interface))))
119 (molecule-callback . ,Text_item::brew_molecule)
120 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
122 (font-family . number)
124 ;; We must do this, other BFs in
125 ;; paper16 become too small.
126 (font-relative-size . -2)
127 (font-magnification . 0.8)
129 (meta . ((interfaces . (text-interface rhythmic-grob-interface
130 bass-figure-interface item-interface
131 self-alignment-interface font-interface))))
135 ;; todo: clean this up a bit: the list is getting
137 (molecule-callback . ,Beam::brew_molecule)
138 (concaveness-gap . 2.0)
139 (concaveness-threshold . 0.08)
141 (positions . (#f . #f))
142 (position-callbacks . (,Beam::least_squares
145 ,Beam::shift_region_to_valid
149 ;; TODO: should be in SLT.
150 (thickness . 0.48) ; in staff-space
151 (before-line-breaking-callback . ,Beam::before_line_breaking)
152 (after-line-breaking-callback . ,Beam::after_line_breaking)
153 (neutral-direction . -1)
154 (dir-function . ,beam-dir-majority-median)
156 ;; Whe have some unreferenced problems here.
158 ;; If we shorten beamed stems less than normal stems (1 staffspace),
159 ;; or high order less than 8th beams, patterns like
160 ;; c''4 [c''8 c''] c''4 [c''16 c]
161 ;; are ugly (different stem lengths).
163 ;; But if we shorten 16th beams as much as 8th beams, a single
164 ;; forced 16th beam looks *very* short.
166 ;; We choose to shorten 8th beams the same as single stems,
167 ;; and high order beams less than 8th beams, so that all
168 ;; isolated shortened beams look nice and a bit shortened,
169 ;; sadly possibly breaking patterns with high order beams.
170 (beamed-stem-shorten . (1.0 0.5 0.25))
172 (outer-stem-length-limit . 0.2)
174 (flag-width-function . ,beam-flag-width-function)
176 (auto-knee-gap . 5.5)
178 ;; only for debugging.
179 ; (font-name . "cmr10")
181 (space-function . ,Beam::space_function)
182 (meta . ((interfaces . (staff-symbol-referencer-interface beam-interface spanner-interface))))
190 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
191 (meta . ((interfaces . (break-alignment-interface item-interface axis-group-interface)))))
197 (X-offset-callbacks . (,Break_align_interface::alignment_callback))
198 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
199 (meta . ((interfaces . (break-aligned-interface item-interface axis-group-interface item-interface ))))
204 (break-align-symbol . breathing-sign)
207 (ambitus . (extra-space . 2.0))
208 (custos . (minimum-space . 1.0))
209 (key-signature . (minimum-space . 1.5))
210 (staff-bar . (minimum-space . 1.5))
211 (clef . (minimum-space . 2.0))
212 (first-note . (minimum-space . 1.0))
213 (right-edge . (extra-space . 0.1))
215 (molecule-callback . ,Text_item::brew_molecule)
216 (text . ,(make-musicglyph-markup "scripts-rcomma"))
217 (Y-offset-callbacks . (,Breathing_sign::offset_callback))
218 (break-visibility . ,begin-of-line-invisible)
219 (meta . ((interfaces . (break-aligned-interface breathing-sign-interface text-interface font-interface item-interface ))))
224 (molecule-callback . ,Clef::brew_molecule)
225 (before-line-breaking-callback . ,Clef::before_line_breaking)
227 (font-family . music)
228 (break-align-symbol . clef)
229 (break-visibility . ,begin-of-line-visible)
230 (space-alist . ((ambitus . (extra-space . 2.0))
231 (staff-bar . (minimum-space . 3.7))
232 (key-signature . (minimum-space . 4.0))
233 (time-signature . (minimum-space . 4.2))
234 (first-note . (minimum-space . 5.0))
235 (next-note . (extra-space . 0.5))
236 (right-edge . (extra-space . 0.5))
238 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
239 (meta . ((interfaces . (clef-interface staff-symbol-referencer-interface font-interface break-aligned-interface item-interface ))))
242 (ClusterSpannerBeacon
244 (molecule-callback . #f)
245 (meta . ((interfaces . (cluster-beacon-interface item-interface))))
250 (molecule-callback . ,Cluster::brew_molecule)
251 (spacing-procedure . ,Spanner::set_spacing_rods)
252 (minimum-length . 0.0)
255 (meta . ((interfaces . (cluster-interface spanner-interface))))
260 (molecule-callback . ,Text_item::brew_molecule)
261 (after-line-breaking-callback . ,Chord_name::after_line_breaking)
264 (meta . ((interfaces . (font-interface rhythmic-grob-interface
265 text-interface chord-name-interface item-interface ))))
270 (break-align-symbol . custos)
272 (molecule-callback . ,Custos::brew_molecule)
273 (break-visibility . ,end-of-line-visible)
275 (neutral-position . 0)
276 (neutral-direction . -1)
277 (adjust-if-on-staffline . #t)
278 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
280 (first-note . (minimum-space . 0.0))
281 (right-edge . (extra-space . 0.1))
284 . (custos-interface staff-symbol-referencer-interface
286 break-aligned-interface item-interface ))))
294 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
295 (X-offset-callbacks . (,Dot_column::side_position))
296 (meta . ((interfaces . (dot-column-interface axis-group-interface item-interface ))))
301 (molecule-callback . ,Dots::brew_molecule)
303 (Y-offset-callbacks . (,Dots::quantised_position_callback ,Staff_symbol_referencer::callback))
304 (meta . ((interfaces . (font-interface staff-symbol-referencer-interface dots-interface item-interface ))))
307 (DoublePercentRepeat .
309 (molecule-callback . ,Percent_repeat_item_interface::double_percent)
312 (font-family . music)
315 (break-align-symbol . staff-bar)
316 (break-visibility . ,begin-of-line-invisible)
317 (meta . ((interfaces . (font-interface
318 break-aligned-interface
319 percent-repeat-interface item-interface ))))
324 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
325 (molecule-callback . ,Text_item::brew_molecule)
326 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self
327 ,Self_alignment_interface::centered_on_parent))
328 (self-alignment-X . 0)
329 (no-spacing-rods . #t)
330 (script-priority . 100)
332 (font-family . dynamic)
333 (font-shape . italic)
334 (self-alignment-Y . 0)
335 (meta . ((interfaces . (font-interface text-interface self-alignment-interface dynamic-interface script-interface item-interface ))))
341 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
342 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
344 (minimum-space . 1.2)
346 (meta . ((interfaces . (dynamic-interface axis-group-interface side-position-interface spanner-interface))))
351 (break-align-symbol . left-edge)
352 (X-extent-callback . ,Grob::point_dimension_callback)
355 (custos . (extra-space . 0.0))
356 (ambitus . (extra-space . 2.0))
357 (time-signature . (extra-space . 0.0))
358 (staff-bar . (extra-space . 0.0))
359 (breathing-sign . (minimum-space . 0.0))
360 (clef . (extra-space . 0.85))
361 (first-note . (extra-space . 1.0))
362 (right-edge . (extra-space . 0.0))
363 (key-signature . (extra-space . 0.0))
365 (meta . ((interfaces . (break-aligned-interface item-interface ))))
370 (molecule-callback . ,Text_item::brew_molecule)
373 (self-alignment-X . 0)
374 (self-alignment-Y . 0)
375 (script-priority . 100)
376 (font-family . number)
377 (font-relative-size . -3)
378 (font-shape . upright)
379 (meta . ((interfaces . (finger-interface font-interface text-script-interface text-interface side-position-interface self-alignment-interface item-interface ))))
383 (RemoveEmptyVerticalGroup
385 (Y-offset-callbacks . (,Hara_kiri_group_spanner::force_hara_kiri_callback))
386 (Y-extent-callback . ,Hara_kiri_group_spanner::y_extent)
389 (meta . ((interfaces . (axis-group-interface hara-kiri-group-interface item-interface spanner-interface))))
394 (molecule-callback . ,Hairpin::brew_molecule)
397 (spacing-procedure . ,Spanner::set_spacing_rods)
398 (minimum-length . 2.0)
399 (if-text-padding . 1.0)
400 (width-correct . -1.0)
402 (dash-thickness . 1.2)
404 (self-alignment-Y . 0)
405 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
406 (meta . ((interfaces . (hairpin-interface self-alignment-interface dynamic-interface spanner-interface))))
412 (molecule-callback . ,Horizontal_bracket::brew_molecule)
413 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
416 (meta . ((interfaces . (horizontal-bracket-interface side-position-interface spanner-interface))))
421 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self
422 ,Side_position_interface::aligned_on_support_refpoints))
423 ;; This direction is for aligned_on_support_refpoints
427 (left-edge . (extra-space . 1.0))
430 (self-alignment-Y . 0)
431 (molecule-callback . ,Text_item::brew_molecule)
432 (break-align-symbol . instrument-name)
433 (break-visibility . ,begin-of-line-visible)
435 (font-family . roman)
436 (meta . ((interfaces . (font-interface self-alignment-interface side-position-interface text-interface break-aligned-interface item-interface ))))
441 (molecule-callback . ,Key_signature_interface::brew_molecule)
443 (time-signature . (extra-space . 1.25))
444 (staff-bar . (extra-space . 1.1))
445 (right-edge . (extra-space . 0.5))
446 (first-note . (extra-space . 2.5))
448 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
449 (break-align-symbol . key-signature)
450 (break-visibility . ,begin-of-line-visible)
452 (meta . ((interfaces . (key-signature-interface font-interface break-aligned-interface item-interface ))))
457 (ligature-primitive-callback . ,Note_head::brew_molecule)
462 (edge-height . (0.7 . 0.7))
463 (shorten-pair . (-0.2 . -0.2))
464 (before-line-breaking-callback . ,Tuplet_bracket::before_line_breaking)
465 (after-line-breaking-callback . ,Tuplet_bracket::after_line_breaking)
466 (molecule-callback . ,Tuplet_bracket::brew_molecule)
467 (meta . ((interfaces . (tuplet-bracket-interface spanner-interface))))
474 (minimum-length . 0.5)
475 (maximum-length . 100)
476 (spacing-procedure . ,Hyphen_spanner::set_spacing_rods)
477 (molecule-callback . ,Hyphen_spanner::brew_molecule)
478 (Y-extent-callback . ,Grob::point_dimension_callback)
479 (meta . ((interfaces . (lyric-hyphen-interface spanner-interface))))
484 (molecule-callback . ,Lyric_extender::brew_molecule)
485 (height . 0.8) ; stafflinethickness;
486 (right-trim-amount . 0.5)
487 (Y-extent-callback . ,Grob::point_dimension_callback)
488 (meta . ((interfaces . (lyric-extender-interface spanner-interface))))
493 (molecule-callback . ,Text_item::brew_molecule)
494 (X-offset-callbacks . (,Self_alignment_interface::centered_on_parent
495 ,Self_alignment_interface::aligned_on_self))
496 (self-alignment-X . 0)
498 (ignore-length-mismatch . #f)
499 (begin-alignment . 4)
501 (font-family . roman)
502 (font-shape . upright)
504 (meta . ((interfaces . (rhythmic-grob-interface lyric-syllable-interface self-alignment-interface text-interface font-interface item-interface ))))
511 (ligature-primitive-callback . ,Mensural_ligature::brew_ligature_primitive)
512 (molecule-callback . ,Mensural_ligature::brew_molecule)
513 (meta . ((interfaces . (mensural-ligature-interface font-interface))))
518 (molecule-callback . ,Text_item::brew_molecule)
519 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
520 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
521 (self-alignment-X . 0)
522 (break-align-symbol . time-signature)
525 (font-relative-size . 1)
526 (font-family . roman)
528 (break-visibility . ,end-of-line-invisible)
530 (meta . ((interfaces . (text-interface side-position-interface font-interface mark-interface self-alignment-interface item-interface ))))
534 (molecule-callback . ,Text_item::brew_molecule)
535 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
538 (font-family . roman)
539 (break-visibility . ,end-of-line-invisible)
541 (meta . ((interfaces . (text-interface side-position-interface font-interface metronome-mark-interface item-interface))))
545 (Y-offset-callbacks . (,Side_position_interface::out_of_staff
546 ,Side_position_interface::aligned_side))
547 (molecule-callback . ,Measure_grouping::brew_molecule)
553 (meta . ((interfaces . (spanner-interface side-position-interface measure-grouping-interface))))
557 (spacing-procedure . ,Multi_measure_rest::set_spacing_rods)
558 (molecule-callback . ,Multi_measure_rest::brew_molecule)
559 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
562 (thick-thickness . 6.6)
563 (hair-thickness . 2.0)
565 (meta . ((interfaces . (multi-measure-rest-interface rest-interface font-interface staff-symbol-referencer-interface))))
568 (MultiMeasureRestNumber
570 (molecule-callback . ,Text_item::brew_molecule)
571 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self
572 ,Self_alignment_interface::centered_on_other_axis_parent))
573 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
574 (self-alignment-X . 0)
577 (font-family . number)
578 (meta . ((interfaces . (side-position-interface self-alignment-interface font-interface spanner-interface text-interface))))
580 (MultiMeasureRestText
582 (molecule-callback . ,Text_item::brew_molecule)
583 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self
584 ,Self_alignment_interface::centered_on_other_axis_parent))
585 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
586 (self-alignment-X . 0)
589 (font-family . roman)
590 (meta . ((interfaces . (side-position-interface self-alignment-interface font-interface spanner-interface text-interface))))
595 ;; Ugh, should not be hard-coded.
597 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
598 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
599 (meta . ((interfaces . (note-collision-interface axis-group-interface item-interface ))))
605 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
606 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
607 (meta . ((interfaces . (axis-group-interface note-column-interface item-interface ))))
613 (molecule-callback . ,Note_head::brew_molecule)
614 (ligature-primitive-callback . ,Note_head::brew_molecule)
615 (glyph-name-procedure . ,find-notehead-symbol)
616 (X-extent-callback . ,Note_head::extent)
617 (Y-extent-callback . ,Note_head::extent)
618 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
619 (stem-attachment-function . ,note-head-style->attachment-coordinates)
620 (meta . ((interfaces . (rhythmic-grob-interface rhythmic-head-interface font-interface note-head-interface staff-symbol-referencer-interface item-interface ))))
627 (zigzag-width . 0.75)
629 (X-extent-callback . #f)
630 (Y-extent-callback . #f)
631 (after-line-breaking-callback . ,Line_spanner::after_line_breaking)
632 (molecule-callback . ,Line_spanner::brew_molecule)
633 (meta . ((interfaces . (line-spanner-interface spanner-interface))))
641 (X-extent-callback . #f)
642 (Y-extent-callback . #f)
643 (molecule-callback . ,Line_spanner::brew_molecule)
644 (after-line-breaking-callback . ,Line_spanner::after_line_breaking)
645 (meta . ((interfaces . (line-spanner-interface spanner-interface))))
650 (molecule-callback . ,Text_item::brew_molecule)
651 (font-family . roman)
652 (meta . ((interfaces . (note-name-interface text-interface font-interface item-interface ))))
657 (self-alignment-X . 0)
658 (break-visibility . ,begin-of-line-visible)
659 (X-offset-callbacks . (,Self_alignment_interface::centered_on_parent ,Self_alignment_interface::aligned_on_self))
660 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
661 (molecule-callback . ,Text_item::brew_molecule)
662 (font-shape . italic)
664 (font-relative-size . -2)
665 (font-family . roman)
666 (meta . ((interfaces . (text-interface self-alignment-interface side-position-interface font-interface item-interface ))))
672 (before-line-breaking-callback . ,Paper_column::before_line_breaking)
673 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
675 ; (molecule-callback . ,Paper_column::brew_molecule) (font-name . "cmr8") (Y-extent-callback . #f)
676 (meta . ((interfaces . (paper-column-interface axis-group-interface spaceable-grob-interface item-interface ))))
681 (molecule-callback . ,Slur::brew_molecule)
683 (spacing-procedure . ,Spanner::set_spacing_rods)
684 (minimum-length . 1.5)
685 (after-line-breaking-callback . ,Slur::after_line_breaking)
686 (extremity-rules . ,default-slur-extremity-rules)
687 (extremity-offset-alist . ,default-phrasing-slur-extremity-offset-alist)
688 (de-uglify-parameters . (1.5 0.8 -2.0))
689 (Y-extent-callback . ,Slur::height)
694 (attachment . (#f . #f))
695 (attachment-offset . ((0 . 0) . (0 . 0)))
697 (details . ((force-blowfit . 0.5)
698 (bezier-pct-c0 . -0.2) (bezier-pct-c3 . 0.000006)
699 (bezier-pct-out-max . 0.8) (bezier-pct-in-max . 1.2)
700 (bezier-area-steps . 1.0)))
701 (meta . ((interfaces . (slur-interface spanner-interface))))
704 (NonMusicalPaperColumn
707 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
708 (before-line-breaking-callback . ,Paper_column::before_line_breaking)
709 ;; debugging stuff: print column number.
710 ; (molecule-callback . ,Paper_column::brew_molecule) (font-name . "cmr8") (Y-extent-callback . #f)
713 (meta . ((interfaces . (paper-column-interface axis-group-interface spaceable-grob-interface item-interface ))))
718 (spacing-procedure . ,Multi_measure_rest::set_spacing_rods)
719 (molecule-callback . ,Multi_measure_rest::percent)
722 (minimum-width . 12.5) ; staffspace
723 (font-family . music)
724 (meta . ((interfaces . (multi-measure-rest-interface spanner-interface font-interface percent-repeat-interface))))
727 (PianoPedalBracket ;; an example of a text spanner
729 (molecule-callback . ,Text_spanner::brew_molecule)
730 (after-line-breaking-callback . ,Piano_pedal_bracket::after_line_breaking)
731 (font-family . roman)
733 (if-text-padding . 1.0)
735 (enclose-bounds . #t)
737 (bracket-flare . (0.5 . 0.5))
738 (edge-height . (1.0 . 1.0))
739 (shorten-pair . (0.0 . 0.0))
741 (meta . ((interfaces . (text-spanner-interface piano-pedal-interface piano-pedal-bracket-interface spanner-interface))))
746 (molecule-callback . ,Percent_repeat_item_interface::beat_slash)
749 (meta . ((interfaces . (percent-repeat-interface item-interface ))))
753 (after-line-breaking-callback . ,Rest::after_line_breaking)
754 (X-extent-callback . ,Rest::extent_callback)
755 (Y-extent-callback . ,Rest::extent_callback)
756 (molecule-callback . ,Rest::brew_molecule)
757 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
758 (minimum-beam-collision-distance . 0.75)
760 (interfaces . (font-interface
761 rhythmic-head-interface
762 rhythmic-grob-interface
764 staff-symbol-referencer-interface
765 rest-interface item-interface ))
770 (minimum-distance . 0.75)
771 (meta . ((interfaces . (rest-collision-interface item-interface ))))
776 ;; don't set direction here: it breaks staccato.
777 (molecule-callback . ,Script_interface::brew_molecule)
779 ;; This value is sensitive: if too large, staccato dots will move a
782 ;; (script-priority . 0) priorities for scripts, see script.scm
783 (X-offset-callbacks . (,Self_alignment_interface::centered_on_parent))
784 (before-line-breaking-callback . ,Script_interface::before_line_breaking)
785 (font-family . music)
786 (meta . ((interfaces . (script-interface side-position-interface font-interface item-interface ))))
791 (before-line-breaking-callback . ,Script_column::before_line_breaking)
792 (meta . ((interfaces . (script-column-interface item-interface ))))
797 (molecule-callback . ,Slur::brew_molecule)
799 (spacing-procedure . ,Spanner::set_spacing_rods)
800 (minimum-length . 1.5)
801 (after-line-breaking-callback . ,Slur::after_line_breaking)
802 (extremity-rules . ,default-slur-extremity-rules)
803 (extremity-offset-alist . ,default-slur-extremity-offset-alist)
804 (de-uglify-parameters . (1.5 0.8 -2.0))
805 (Y-extent-callback . ,Slur::height)
810 (attachment . (#f . #f))
811 (attachment-offset . ((0 . 0) . (0 . 0)))
813 (details . ((force-blowfit . 0.5)
814 (bezier-pct-c0 . -0.2) (bezier-pct-c3 . 0.000006)
815 (bezier-pct-out-max . 0.8) (bezier-pct-in-max . 1.2)
816 (bezier-area-steps . 1.0)))
817 (meta . ((interfaces . (slur-interface spanner-interface))))
822 (spacing-procedure . ,Spacing_spanner::set_springs)
823 (grace-space-factor . 0.6)
824 (shortest-duration-space . 2.0)
825 (spacing-increment . 1.2)
826 (base-shortest-duration . ,(ly:make-moment 1 8))
827 (meta . ((interfaces . (spacing-interface spacing-spanner-interface spanner-interface))))
832 (break-align-symbol . staff-bar)
833 (bar-size-procedure . ,Span_bar::get_bar_size)
834 (molecule-callback . ,Span_bar::brew_molecule)
835 (break-visibility . ,begin-of-line-invisible)
836 (X-extent-callback . ,Span_bar::width_callback)
837 (Y-extent-callback . ())
840 (before-line-breaking-callback . ,Span_bar::before_line_breaking)
844 ;; Ross. page 151 lists other values, we opt for a leaner look
848 (hair-thickness . 1.6)
849 (thick-thickness . 6.0)
850 (meta . ((interfaces . (span-bar-interface font-interface
851 bar-line-interface item-interface ))))
857 (molecule-callback . ,Text_item::brew_molecule)
858 (break-align-symbol . clef)
859 (break-visibility . ,begin-of-line-visible)
860 (font-family . roman)
861 (meta . ((interfaces . (break-aligned-interface text-interface font-interface item-interface ))))
867 (stem-spacing-correction . 0.4)
869 (meta . ((interfaces . (spacing-interface staff-spacing-interface item-interface ))))
873 (stem-spacing-correction . 0.5)
875 ;; Changed this from 0.75.
876 ;; If you ever change this back, please document! --hwn
877 (knee-spacing-correction . 1.0)
879 (meta . ((interfaces . (spacing-interface note-spacing-interface item-interface ))))
884 (molecule-callback . ,Staff_symbol::brew_molecule)
887 (meta . ((interfaces . (staff-symbol-interface spanner-interface))))
892 (molecule-callback . ,Text_item::brew_molecule)
894 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
895 (no-spacing-rods . #t)
896 (padding . 0.0) ;; padding relative to SostenutoPedalLineSpanner
897 (font-family . roman)
898 (font-shape . italic)
899 (self-alignment-X . 0)
900 (meta . ((interfaces . (text-interface self-alignment-interface font-interface item-interface))))
903 (SostenutoPedalLineSpanner
906 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
907 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
911 (minimum-space . 1.0)
913 (meta . ((interfaces . (piano-pedal-interface axis-group-interface side-position-interface spanner-interface))))
919 ;; this list is rather long. Trim --hwn
920 (before-line-breaking-callback . ,Stem::before_line_breaking)
921 (molecule-callback . ,Stem::brew_molecule)
924 ;; 3.5 (or 3 measured from note head) is standar length
925 ;; 32nd, 64th flagged stems should be longer
926 (lengths . (3.5 3.5 3.5 4.5 5.0))
928 ;; Stems in unnatural (forced) direction should be shortened by
929 ;; one staff space, according to [Roush & Gourlay].
930 ;; Flagged stems we shorten only half a staff space.
931 (stem-shorten . (1.0 0.5))
933 ;; default stem direction for note on middle line
934 (neutral-direction . -1)
936 ;; [Wanske]: standard length (but no shorter than minimum).
937 ;; (beamed-lengths . (3.5))
939 ;; FIXME. 3.5 yields too long beams (according to Ross and
940 ;; looking at Baerenreiter examples) for a number of common
941 ;; boundary cases. Subtracting half a beam thickness fixes
942 ;; this, but the bug may well be somewhere else.
943 (beamed-lengths . (3.26 3.26 1.5))
945 ;; [Wanske] lists three sets of minimum lengths. One
946 ;; set for the nomal case, and one set for beams with "der
947 ;; Balkenendpunkt weiter uber bzw. unter die Systemgrenze
948 ;; hinaus (bei Gruppen mit grossem Tonumfang)" and the extreme
951 ;; Note that Wanske lists numbers lengths starting from top of
952 ;; head, so we must add half a staff space.
954 ;; We use the normal minima as minimum for the ideal lengths,
955 ;; and the extreme minima as abolute minimum length.
957 ;; The 'normal' minima
958 (beamed-minimum-free-lengths . (1.83 1.5 1.25))
960 ;; The 'extreme case' minima
961 (beamed-extreme-minimum-free-lengths . (2.5 2.0 1.0))
963 (X-offset-callbacks . (,Stem::off_callback))
964 (X-extent-callback . ,Stem::dim_callback)
965 (Y-extent-callback . ,Stem::height)
966 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
967 (adjust-if-on-staffline . #t)
968 (font-family . music)
969 (avoid-note-head . #f)
971 (meta . ((interfaces . (stem-interface font-interface item-interface ))))
976 (molecule-callback . ,Stem_tremolo::brew_molecule)
977 (Y-extent-callback . ,Stem_tremolo::height)
978 (X-extent-callback . #f)
980 (beam-width . 1.6) ; staff-space
981 (beam-thickness . 0.48) ; staff-space
982 (meta . ((interfaces . (stem-tremolo-interface item-interface ))))
987 (meta . ((interfaces . (spacing-interface separation-item-interface item-interface ))))
990 (SeparatingGroupSpanner
992 (spacing-procedure . ,Separating_group_spanner::set_spacing_rods)
993 (meta . ((interfaces . (spacing-interface separation-spanner-interface spanner-interface))))
998 (no-spacing-rods . #t)
999 (molecule-callback . ,Sustain_pedal::brew_molecule)
1000 (self-alignment-X . 0)
1002 (padding . 0.0) ;; padding relative to SustainPedalLineSpanner
1003 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
1004 (meta . ((interfaces . (piano-pedal-interface text-spanner-interface text-interface self-alignment-interface font-interface item-interface))))
1007 (SustainPedalLineSpanner
1010 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1011 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1014 (minimum-space . 1.0)
1016 (meta . ((interfaces . (piano-pedal-interface axis-group-interface side-position-interface spanner-interface))))
1022 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
1023 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1024 (meta . ((interfaces . (system-interface axis-group-interface spanner-interface))))
1030 (molecule-callback . ,System_start_delimiter::brew_molecule)
1031 (collapse-height . 5.0)
1032 (font-family . braces)
1033 (Y-extent-callback . #f)
1034 (meta . ((interfaces . (system-start-delimiter-interface font-interface))))
1039 (Y-extent-callback . #f)
1040 (molecule-callback . ,System_start_delimiter::brew_molecule)
1046 (bracket-collapse-height . 1)
1048 (meta . ((interfaces . (system-start-delimiter-interface spanner-interface))))
1053 (Y-extent-callback . #f)
1054 (molecule-callback . ,System_start_delimiter::brew_molecule)
1055 (glyph . "bar-line")
1057 (after-line-breaking-callback . ,System_start_delimiter::after_line_breaking)
1058 (meta . ((interfaces . (system-start-delimiter-interface spanner-interface))))
1063 (molecule-callback . ,Text_item::brew_molecule)
1064 (no-spacing-rods . #t)
1065 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
1068 (script-priority . 200)
1069 ;; todo: add X self alignment?
1071 (font-family . roman)
1072 (meta . ((interfaces . (text-script-interface text-interface side-position-interface font-interface item-interface ))))
1077 (molecule-callback . ,Text_spanner::brew_molecule)
1078 (font-family . roman)
1079 (style . dashed-line)
1081 ;; urg, only for (de)cresc. text spanners
1082 (if-text-padding . 1.0)
1083 (width-correct . -1)
1084 (dash-fraction . 0.2)
1087 (meta . ((interfaces . (text-spanner-interface side-position-interface font-interface spanner-interface))))
1092 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1093 (molecule-callback . ,Text_spanner::brew_molecule)
1094 (font-family . roman)
1095 (enclose-bounds . #t)
1096 (width-correct . 0.0)
1097 (style . dashed-line)
1098 (dash-fraction . 0.3)
1099 (edge-height . (0 . 1.5))
1101 (meta . ((interfaces . (text-spanner-interface side-position-interface font-interface spanner-interface))))
1106 (font-family . roman)
1108 (molecule-callback . ,Text_item::brew_molecule)
1109 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
1110 (extra-offset . (0 . -0.65)) ;; UGH! TODO: Clean this up!
1111 (stem-attachment-function . ,tablature-stem-attachment-function)
1112 (meta . ((interfaces
1113 . (rhythmic-head-interface
1115 note-head-interface staff-symbol-referencer-interface
1116 text-interface item-interface ))))
1122 (molecule-callback . ,Tie::brew_molecule)
1123 (spacing-procedure . ,Spanner::set_spacing_rods)
1124 (staffline-clearance . 0.35)
1125 (details . ((ratio . 0.333) (height-limit . 1.0)))
1129 (minimum-length . 2.5)
1130 (meta . ((interfaces . (tie-interface spanner-interface))))
1135 (after-line-breaking-callback . ,Tie_column::after_line_breaking)
1136 (X-extent-callback . ())
1137 (Yoo-extent-callback . ())
1138 (meta . ((interfaces . (tie-column-interface spanner-interface))))
1143 (molecule-callback . ,Time_signature::brew_molecule)
1144 ; (molecule-callback . ,Text_item::brew_molecule)
1145 (break-align-symbol . time-signature)
1146 (break-visibility . ,all-visible)
1148 (first-note . (extra-space . 2.0))
1149 (right-edge . (extra-space . 0.5))
1150 (staff-bar . (minimum-space . 2.0))
1154 ; (text . (,time-signature-glue-markup))
1155 (font-family . number)
1156 (meta . ((interfaces . (time-signature-interface break-aligned-interface font-interface item-interface ))))
1164 (edge-height . (0.7 . 0.7))
1165 (shorten-pair . (-0.2 . -0.2))
1166 (before-line-breaking-callback . ,Tuplet_bracket::before_line_breaking)
1167 (after-line-breaking-callback . ,Tuplet_bracket::after_line_breaking)
1168 (molecule-callback . ,Tuplet_bracket::brew_molecule)
1169 (font-family . roman)
1170 (font-shape . italic)
1171 (font-series . bold)
1173 (font-relative-size . -1)
1174 (meta . ((interfaces . (text-interface tuplet-bracket-interface font-interface spanner-interface))))
1179 (molecule-callback . ,Text_item::brew_molecule)
1180 (font-family . roman)
1181 (font-shape . italic)
1182 (no-spacing-rods . #t)
1183 (self-alignment-X . 0)
1185 (padding . 0.0) ;; padding relative to UnaCordaPedalLineSpanner
1186 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
1187 (meta . ((interfaces . (text-interface self-alignment-interface font-interface item-interface ))))
1190 (UnaCordaPedalLineSpanner
1193 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1194 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1197 (minimum-space . 1.0)
1199 (meta . ((interfaces . (piano-pedal-interface axis-group-interface side-position-interface spanner-interface))))
1206 (ligature-primitive-callback . ,Vaticana_ligature::brew_ligature_primitive)
1207 (molecule-callback . ,Vaticana_ligature::brew_molecule)
1208 (meta . ((interfaces . (vaticana-ligature-interface font-interface))))
1213 (molecule-callback . ,Volta_bracket_interface::brew_molecule)
1216 (font-family . number)
1217 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1218 (thickness . 1.6) ; stafflinethickness
1219 (height . 2.0) ; staffspace;
1221 (font-family . number)
1222 (font-relative-size . -2)
1223 (meta . ((interfaces . (volta-bracket-interface text-interface side-position-interface font-interface spanner-interface))))
1229 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1230 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
1232 (meta . ((interfaces . (align-interface axis-group-interface spanner-interface))))
1238 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1239 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
1241 (meta . ((interfaces . (axis-group-interface spanner-interface))))
1249 (define (completize-grob-entry x)
1250 "transplant assoc key into 'name entry of 'meta of X
1252 (let* ((name-sym (car x))
1253 (grob-entry (cdr x))
1254 (metaentry (cdr (assoc 'meta grob-entry)))
1256 (cdr (assoc 'interfaces metaentry)))
1259 (set! metaentry (assoc-set! metaentry 'name name-sym))
1260 (set! metaentry (assoc-set! metaentry 'interfaces
1261 (cons 'grob-interface ifaces-entry)))
1262 (set! grob-entry (assoc-set! grob-entry 'meta metaentry))
1263 (cons name-sym grob-entry)))
1265 (set! all-grob-descriptions (map completize-grob-entry all-grob-descriptions))
1269 ; (display (map pair? all-grob-descriptions))
1272 ;; make sure that \property Foo.Bar =\turnOff doesn't complain
1275 ; (display (car x)) (newline)
1277 (set-object-property! (car x) 'translation-type? list?)
1278 (set-object-property! (car x) 'is-grob? #t))
1279 all-grob-descriptions)
1282 (set! all-grob-descriptions (sort all-grob-descriptions alist<?))