1 ;;;; This file is part of LilyPond, the GNU music typesetter.
3 ;;;; Copyright (C) 1998--2011 Jan Nieuwenhuizen <janneke@gnu.org>
4 ;;;; Han-Wen Nienhuys <hanwen@xs4all.nl>
6 ;;;; LilyPond is free software: you can redistribute it and/or modify
7 ;;;; it under the terms of the GNU General Public License as published by
8 ;;;; the Free Software Foundation, either version 3 of the License, or
9 ;;;; (at your option) any later version.
11 ;;;; LilyPond is distributed in the hope that it will be useful,
12 ;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
13 ;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 ;;;; GNU General Public License for more details.
16 ;;;; You should have received a copy of the GNU General Public License
17 ;;;; along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
20 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
23 (define-public (grob::has-interface grob iface)
24 (memq iface (ly:grob-interfaces grob)))
26 (define-public (grob::is-live? grob)
27 (pair? (ly:grob-basic-properties grob)))
29 (define-public (make-stencil-boxer thickness padding callback)
30 "Return function that adds a box around the grob passed as argument."
32 (box-stencil (callback grob) thickness padding)))
34 (define-public (make-stencil-circler thickness padding callback)
35 "Return function that adds a circle around the grob passed as argument."
37 (circle-stencil (callback grob) thickness padding)))
39 (define-public (print-circled-text-callback grob)
40 (grob-interpret-markup grob (make-circle-markup
41 (ly:grob-property grob 'text))))
43 (define-public (event-cause grob)
44 (let ((cause (ly:grob-property grob 'cause)))
47 ((ly:stream-event? cause) cause)
48 ((ly:grob? cause) (event-cause cause))
51 (define-public (grob-interpret-markup grob text)
52 (let* ((layout (ly:grob-layout grob))
53 (defs (ly:output-def-lookup layout 'text-font-defaults))
54 (props (ly:grob-alist-chain grob defs)))
56 (ly:text-interface::interpret-markup layout props text)))
59 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
62 (define-public (stem::calc-duration-log grob)
64 (ly:event-property (event-cause grob) 'duration)))
66 (define-public (note-head::calc-duration-log grob)
69 (ly:event-property (event-cause grob) 'duration))))
71 (define-public (dots::calc-dot-count grob)
72 (ly:duration-dot-count
73 (ly:event-property (event-cause grob) 'duration)))
75 (define-public (dots::calc-staff-position grob)
76 (let* ((head (ly:grob-parent grob Y))
77 (log (ly:grob-property head 'duration-log)))
80 ((or (not (grob::has-interface head 'rest-interface))
81 (not (integer? log))) 0)
89 ;; Kept separate from note-head::calc-glyph-name to allow use by
90 ;; markup commands \note and \note-by-number
91 (define-public (select-head-glyph style log)
92 "Select a note head glyph string based on note head style @var{style}
93 and duration-log @var{log}."
95 ;; "default" style is directly handled in note-head.cc as a
96 ;; special case (HW says, mainly for performance reasons).
97 ;; Therefore, style "default" does not appear in this case
99 ((xcircle) "2xcircle")
100 ((harmonic) "0harmonic")
101 ((harmonic-black) "2harmonic")
102 ((harmonic-mixed) (if (<= log 1) "0harmonic"
105 ;; Oops, I actually would not call this "baroque", but, for
106 ;; backwards compatibility to 1.4, this is supposed to take
107 ;; brevis, longa and maxima from the neo-mensural font and all
108 ;; other note heads from the default font. -- jr
110 (string-append (number->string log) "neomensural")
111 (number->string log)))
113 ;; Like default, but brevis is drawn with double vertical lines
115 (string-append (number->string log) "double")
116 (number->string log)))
118 (string-append (number->string log) (symbol->string style)))
121 (string-append (number->string log) "mensural")
122 (string-append (number->string log) (symbol->string style))))
125 (string-append (number->string log) "blackmensural")
126 (string-append (number->string log) (symbol->string style))))
129 (string-append (number->string log) "semimensural")
130 (string-append (number->string log) "petrucci")))
132 (string-append (number->string log) (symbol->string style)))
134 (if (string-match "vaticana*|hufnagel*|medicaea*" (symbol->string style))
135 (symbol->string style)
136 (string-append (number->string (max 0 log))
137 (symbol->string style))))))
139 (define-public (note-head::calc-glyph-name grob)
140 (let ((style (ly:grob-property grob 'style))
141 (log (min 2 (ly:grob-property grob 'duration-log))))
143 (select-head-glyph style log)))
145 (define-public (note-head::brew-ez-stencil grob)
146 (let* ((log (ly:grob-property grob 'duration-log))
147 (pitch (ly:event-property (event-cause grob) 'pitch))
148 (pitch-index (ly:pitch-notename pitch))
149 (note-names (ly:grob-property grob 'note-names))
150 (pitch-string (if (and (vector? note-names)
151 (> (vector-length note-names) pitch-index))
152 (vector-ref note-names pitch-index)
155 (+ (modulo (+ pitch-index 2) 7)
156 (char->integer #\A))))))
157 (staff-space (ly:staff-symbol-staff-space grob))
158 (line-thickness (ly:staff-symbol-line-thickness grob))
159 (stem (ly:grob-object grob 'stem))
160 (stem-thickness (* (if (ly:grob? stem)
161 (ly:grob-property stem 'thickness)
164 (radius (/ (+ staff-space line-thickness) 2))
165 (letter (markup #:center-align #:vcenter pitch-string))
166 (filled-circle (markup #:draw-circle radius 0 #t)))
168 (ly:stencil-translate-axis
169 (grob-interpret-markup
174 (make-with-color-markup white letter))
178 (make-with-color-markup white (make-draw-circle-markup
179 (- radius stem-thickness) 0 #t)))
183 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
186 (define-public (make-rhythmic-location bar-num num den)
188 bar-num (ly:make-moment num den)))
190 (define-public (rhythmic-location? a)
193 (ly:moment? (cdr a))))
195 (define-public (make-graceless-rhythmic-location loc)
196 (make-rhythmic-location
198 (ly:moment-main-numerator (rhythmic-location-measure-position loc))
199 (ly:moment-main-denominator (rhythmic-location-measure-position loc))))
201 (define-public rhythmic-location-measure-position cdr)
202 (define-public rhythmic-location-bar-number car)
204 (define-public (rhythmic-location<? a b)
206 ((< (car a) (car b)) #t)
207 ((> (car a) (car b)) #f)
209 (ly:moment<? (cdr a) (cdr b)))))
211 (define-public (rhythmic-location<=? a b)
212 (not (rhythmic-location<? b a)))
213 (define-public (rhythmic-location>=? a b)
214 (rhythmic-location<? a b))
215 (define-public (rhythmic-location>? a b)
216 (rhythmic-location<? b a))
218 (define-public (rhythmic-location=? a b)
219 (and (rhythmic-location<=? a b)
220 (rhythmic-location<=? b a)))
222 (define-public (rhythmic-location->file-string a)
223 (ly:format "~a.~a.~a"
225 (ly:moment-main-numerator (cdr a))
226 (ly:moment-main-denominator (cdr a))))
228 (define-public (rhythmic-location->string a)
229 (ly:format "bar ~a ~a"
231 (ly:moment->string (cdr a))))
233 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
236 (define-public all-visible #(#t #t #t))
237 (define-public begin-of-line-invisible #(#t #t #f))
238 (define-public center-invisible #(#t #f #t))
239 (define-public end-of-line-invisible #(#f #t #t))
240 (define-public begin-of-line-visible #(#f #f #t))
241 (define-public center-visible #(#f #t #f))
242 (define-public end-of-line-visible #(#t #f #f))
243 (define-public all-invisible #(#f #f #f))
244 (define-public (inherit-x-parent-visibility grob)
245 (let ((parent (ly:grob-parent grob X)))
246 (ly:grob-property parent 'break-visibility all-invisible)))
247 (define-public (inherit-y-parent-visibility grob)
248 (let ((parent (ly:grob-parent grob X)))
249 (ly:grob-property parent 'break-visibility)))
252 (define-public spanbar-begin-of-line-invisible #(#t #f #f))
255 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
259 ;; How should a bar line behave at a break?
260 (define bar-glyph-alist
261 '((":|:" . (":|" . "|:"))
262 (":|.|:" . (":|" . "|:"))
263 (":|.:" . (":|" . "|:"))
264 ("||:" . ("||" . "|:"))
265 ("dashed" . ("dashed" . '()))
267 ("||:" . ("||" . "|:"))
269 ("|:" . ("|" . "|:"))
272 ;; hmm... should we end with a bar line here?
273 (".|" . ("|" . ".|"))
276 (".|." . (".|." . ()))
277 ("|.|" . ("|.|" . ()))
282 ("empty" . (() . ()))
283 ("brace" . (() . "brace"))
284 ("bracket" . (() . "bracket"))
290 (":|S" . (":|" . "S"))
291 (":|S." . (":|S" . ()))
292 ("S|:" . ("S" . "|:"))
293 (".S|:" . ("|" . "S|:"))
294 (":|S|:" . (":|" . "S|:"))
295 (":|S.|:" . (":|S" . "|:"))))
297 (define-public (bar-line::calc-glyph-name grob)
298 (let* ((glyph (ly:grob-property grob 'glyph))
299 (dir (ly:item-break-dir grob))
300 (result (assoc-get glyph bar-glyph-alist))
301 (glyph-name (if (= dir CENTER)
304 (string? (index-cell result dir)))
305 (index-cell result dir)
309 (define-public (bar-line::calc-break-visibility grob)
310 (let* ((glyph (ly:grob-property grob 'glyph))
311 (result (assoc-get glyph bar-glyph-alist)))
314 (vector (string? (car result)) #t (string? (cdr result)))
317 (define-public (shift-right-at-line-begin g)
318 "Shift an item to the right, but only at the start of the line."
319 (if (and (ly:item? g)
320 (equal? (ly:item-break-dir g) RIGHT))
321 (ly:grob-translate-axis! g 3.5 X)))
324 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
327 (define-public (tuplet-number::calc-direction grob)
328 (ly:tuplet-bracket::calc-direction (ly:grob-object grob 'bracket)))
330 (define-public (tuplet-number::calc-denominator-text grob)
331 (number->string (ly:event-property (event-cause grob) 'denominator)))
333 (define-public (tuplet-number::calc-fraction-text grob)
334 (let ((ev (event-cause grob)))
337 (ly:event-property ev 'denominator)
338 (ly:event-property ev 'numerator))))
340 ;; a formatter function, which is simply a wrapper around an existing
341 ;; tuplet formatter function. It takes the value returned by the given
342 ;; function and appends a note of given length.
343 (define-public ((tuplet-number::append-note-wrapper function note) grob)
344 (let ((txt (if function (function grob) #f)))
347 (markup txt #:fontsize -5 #:note note UP)
348 (markup #:fontsize -5 #:note note UP))))
350 ;; Print a tuplet denominator with a different number than the one derived from
351 ;; the actual tuplet fraction
352 (define-public ((tuplet-number::non-default-tuplet-denominator-text denominator)
354 (number->string (if denominator
356 (ly:event-property (event-cause grob) 'denominator))))
358 ;; Print a tuplet fraction with different numbers than the ones derived from
359 ;; the actual tuplet fraction
360 (define-public ((tuplet-number::non-default-tuplet-fraction-text
361 denominator numerator) grob)
362 (let* ((ev (event-cause grob))
363 (den (if denominator denominator (ly:event-property ev 'denominator)))
364 (num (if numerator numerator (ly:event-property ev 'numerator))))
366 (format "~a:~a" den num)))
368 ;; Print a tuplet fraction with note durations appended to the numerator and the
370 (define-public ((tuplet-number::fraction-with-notes
371 denominatornote numeratornote) grob)
372 (let* ((ev (event-cause grob))
373 (denominator (ly:event-property ev 'denominator))
374 (numerator (ly:event-property ev 'numerator)))
376 ((tuplet-number::non-default-fraction-with-notes
377 denominator denominatornote numerator numeratornote) grob)))
379 ;; Print a tuplet fraction with note durations appended to the numerator and the
381 (define-public ((tuplet-number::non-default-fraction-with-notes
382 denominator denominatornote numerator numeratornote) grob)
383 (let* ((ev (event-cause grob))
384 (den (if denominator denominator (ly:event-property ev 'denominator)))
385 (num (if numerator numerator (ly:event-property ev 'numerator))))
387 (make-concat-markup (list
388 (make-simple-markup (format "~a" den))
389 (markup #:fontsize -5 #:note denominatornote UP)
390 (make-simple-markup " : ")
391 (make-simple-markup (format "~a" num))
392 (markup #:fontsize -5 #:note numeratornote UP)))))
395 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
398 (define-public (color? x)
401 (apply eq? #t (map number? x))
402 (apply eq? #t (map (lambda (y) (<= 0 y 1)) x))))
404 (define-public (rgb-color r g b) (list r g b))
407 (define-public black '(0.0 0.0 0.0))
408 (define-public white '(1.0 1.0 1.0))
409 (define-public red '(1.0 0.0 0.0))
410 (define-public green '(0.0 1.0 0.0))
411 (define-public blue '(0.0 0.0 1.0))
412 (define-public cyan '(0.0 1.0 1.0))
413 (define-public magenta '(1.0 0.0 1.0))
414 (define-public yellow '(1.0 1.0 0.0))
416 (define-public grey '(0.5 0.5 0.5))
417 (define-public darkred '(0.5 0.0 0.0))
418 (define-public darkgreen '(0.0 0.5 0.0))
419 (define-public darkblue '(0.0 0.0 0.5))
420 (define-public darkcyan '(0.0 0.5 0.5))
421 (define-public darkmagenta '(0.5 0.0 0.5))
422 (define-public darkyellow '(0.5 0.5 0.0))
425 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
428 (define-public (key-signature-interface::alteration-position step alter
430 ;; TODO: memoize - this is mostly constant.
432 ;; fes, ges, as and bes typeset in lower octave
433 (define FLAT_TOP_PITCH 2)
435 ;; ais and bis typeset in lower octave
436 (define SHARP_TOP_PITCH 4)
439 (+ (cdr step) (* (car step) 7) c0-position)
440 (let* ((from-bottom-pos (modulo (+ 4 49 c0-position) 7))
442 (c0 (- from-bottom-pos 4)))
446 (or (> p FLAT_TOP_PITCH) (> (+ p c0) 4)) (> (+ p c0) 1))
448 (or (> p SHARP_TOP_PITCH) (> (+ p c0) 5)) (> (+ p c0) 2)))
450 ;; Typeset below c_position
453 ;; Provide for the four cases in which there's a glitch
454 ;; it's a hack, but probably not worth
455 ;; the effort of finding a nicer solution.
458 ((and (= c0 2) (= p 3) (> alter 0))
460 ((and (= c0 -3) (= p -1) (> alter 0))
462 ((and (= c0 -4) (= p -1) (< alter 0))
464 ((and (= c0 -2) (= p -3) (< alter 0))
470 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
473 (define-public (accidental-interface::calc-alteration grob)
474 (ly:pitch-alteration (ly:event-property (event-cause grob) 'pitch)))
476 (define-public cancellation-glyph-name-alist
477 '((0 . "accidentals.natural")))
479 (define-public standard-alteration-glyph-name-alist
481 ;; ordered for optimal performance.
482 (0 . "accidentals.natural")
483 (-1/2 . "accidentals.flat")
484 (1/2 . "accidentals.sharp")
486 (1 . "accidentals.doublesharp")
487 (-1 . "accidentals.flatflat")
489 (3/4 . "accidentals.sharp.slashslash.stemstemstem")
490 (1/4 . "accidentals.sharp.slashslash.stem")
491 (-1/4 . "accidentals.mirroredflat")
492 (-3/4 . "accidentals.mirroredflat.flat")))
494 ;; FIXME: standard vs default, alteration-FOO vs FOO-alteration
495 (define-public alteration-default-glyph-name-alist
496 standard-alteration-glyph-name-alist)
498 (define-public makam-alteration-glyph-name-alist
499 '((1 . "accidentals.doublesharp")
500 (8/9 . "accidentals.sharp.slashslashslash.stemstem")
501 (5/9 . "accidentals.sharp.slashslashslash.stem")
502 (4/9 . "accidentals.sharp")
503 (1/9 . "accidentals.sharp.slashslash.stem")
504 (0 . "accidentals.natural")
505 (-1/9 . "accidentals.mirroredflat")
506 (-4/9 . "accidentals.flat.slash")
507 (-5/9 . "accidentals.flat")
508 (-8/9 . "accidentals.flat.slashslash")
509 (-1 . "accidentals.flatflat")))
511 (define-public alteration-hufnagel-glyph-name-alist
512 '((-1/2 . "accidentals.hufnagelM1")
513 (0 . "accidentals.vaticana0")
514 (1/2 . "accidentals.mensural1")))
516 (define-public alteration-medicaea-glyph-name-alist
517 '((-1/2 . "accidentals.medicaeaM1")
518 (0 . "accidentals.vaticana0")
519 (1/2 . "accidentals.mensural1")))
521 (define-public alteration-vaticana-glyph-name-alist
522 '((-1/2 . "accidentals.vaticanaM1")
523 (0 . "accidentals.vaticana0")
524 (1/2 . "accidentals.mensural1")))
526 (define-public alteration-mensural-glyph-name-alist
527 '((-1/2 . "accidentals.mensuralM1")
528 (0 . "accidentals.vaticana0")
529 (1/2 . "accidentals.mensural1")))
532 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
533 ;; * Pitch Trill Heads
536 (define-public (parentheses-item::calc-parenthesis-stencils grob)
537 (let* ((font (ly:grob-default-font grob))
538 (lp (ly:font-get-glyph font "accidentals.leftparen"))
539 (rp (ly:font-get-glyph font "accidentals.rightparen")))
543 (define-public (parentheses-item::calc-angled-bracket-stencils grob)
544 (let* ((parent (ly:grob-parent grob Y))
545 (y-extent (ly:grob-extent parent parent Y))
546 (half-thickness 0.05) ; should it be a property?
547 (width 0.5) ; should it be a property?
548 (angularity 1.5) ; makes angle brackets
549 (white-padding 0.1) ; should it be a property?
550 (lp (ly:stencil-aligned-to
551 (ly:stencil-aligned-to
552 (make-parenthesis-stencil y-extent
559 (interval-widen (ly:stencil-extent lp X) white-padding))
560 (rp (ly:stencil-aligned-to
561 (ly:stencil-aligned-to
562 (make-parenthesis-stencil y-extent
569 (interval-widen (ly:stencil-extent rp X) white-padding)))
570 (set! lp (ly:make-stencil (ly:stencil-expr lp)
572 (ly:stencil-extent lp Y)))
573 (set! rp (ly:make-stencil (ly:stencil-expr rp)
575 (ly:stencil-extent rp Y)))
576 (list (stencil-whiteout lp)
577 (stencil-whiteout rp))))
579 (define (parenthesize-elements grob . rest)
580 (let* ((refp (if (null? rest)
583 (elts (ly:grob-object grob 'elements))
584 (x-ext (ly:relative-group-extent elts refp X))
585 (stencils (ly:grob-property grob 'stencils))
588 (padding (ly:grob-property grob 'padding 0.1)))
591 (ly:stencil-translate-axis lp (- (car x-ext) padding) X)
592 (ly:stencil-translate-axis rp (+ (cdr x-ext) padding) X))))
595 (define-public (parentheses-item::print me)
596 (let* ((elts (ly:grob-object me 'elements))
597 (y-ref (ly:grob-common-refpoint-of-array me elts Y))
598 (x-ref (ly:grob-common-refpoint-of-array me elts X))
599 (stencil (parenthesize-elements me x-ref))
600 (elt-y-ext (ly:relative-group-extent elts y-ref Y))
601 (y-center (interval-center elt-y-ext)))
603 (ly:stencil-translate
606 (- (ly:grob-relative-coordinate me x-ref X))
607 (- y-center (ly:grob-relative-coordinate me y-ref Y))))))
611 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
614 (define-public (chain-grob-member-functions grob value . funcs)
617 (set! value (func grob value)))
623 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
626 (define-public (bend::print spanner)
628 (< (abs (- a b)) 0.01))
630 (let* ((delta-y (* 0.5 (ly:grob-property spanner 'delta-position)))
631 (left-span (ly:spanner-bound spanner LEFT))
632 (dots (if (and (grob::has-interface left-span 'note-head-interface)
633 (ly:grob? (ly:grob-object left-span 'dot)))
634 (ly:grob-object left-span 'dot) #f))
636 (right-span (ly:spanner-bound spanner RIGHT))
637 (thickness (* (ly:grob-property spanner 'thickness)
638 (ly:output-def-lookup (ly:grob-layout spanner)
640 (padding (ly:grob-property spanner 'padding 0.5))
641 (common (ly:grob-common-refpoint right-span
642 (ly:grob-common-refpoint spanner
645 (common-y (ly:grob-common-refpoint spanner left-span Y))
646 (minimum-length (ly:grob-property spanner 'minimum-length 0.5))
650 (interval-end (ly:grob-robust-relative-extent
655 (ly:grob-relative-coordinate dots common-y Y)
656 (ly:grob-relative-coordinate spanner common-y Y)))
658 (ly:grob-robust-relative-extent dots common X))
659 ;; TODO: use real infinity constant.
661 (right-x (max (- (interval-start
662 (ly:grob-robust-relative-extent right-span common X))
664 (+ left-x minimum-length)))
665 (self-x (ly:grob-relative-coordinate spanner common X))
666 (dx (- right-x left-x))
667 (exp (list 'path thickness
675 ,dx ,(* 0.66 delta-y)
680 (cons (- left-x self-x) (- right-x self-x))
681 (cons (min 0 delta-y)
685 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
688 (define-public (grace-spacing::calc-shortest-duration grob)
689 (let* ((cols (ly:grob-object grob 'columns))
692 (ly:moment-sub (ly:grob-property
693 (ly:grob-array-ref cols (1+ idx)) 'when)
695 (ly:grob-array-ref cols idx) 'when))))
697 (moment-min (lambda (x y)
700 (if (ly:moment<? x y)
706 (fold moment-min #f (map get-difference
707 (iota (1- (ly:grob-array-length cols)))))))
710 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
713 (define-public (fingering::calc-text grob)
714 (let* ((event (event-cause grob))
715 (digit (ly:event-property event 'digit)))
718 (ly:input-message (ly:event-property event 'origin)
719 "Warning: Fingering notation for finger number ~a"
722 (number->string digit 10)))
724 (define-public (string-number::calc-text grob)
725 (let ((digit (ly:event-property (event-cause grob) 'string-number)))
727 (number->string digit 10)))
729 (define-public (stroke-finger::calc-text grob)
730 (let* ((digit (ly:event-property (event-cause grob) 'digit))
731 (text (ly:event-property (event-cause grob) 'text)))
735 (vector-ref (ly:grob-property grob 'digit-names)
736 (1- (max (min 5 digit) 1))))))
739 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
742 (define-public (hairpin::calc-grow-direction grob)
743 (if (eq? (ly:event-property (event-cause grob) 'class) 'decrescendo-event)
747 (define-public (dynamic-text-spanner::before-line-breaking grob)
748 "Monitor left bound of @code{DynamicTextSpanner} for absolute dynamics.
749 If found, ensure @code{DynamicText} does not collide with spanner text by
750 changing @code{'attach-dir} and @code{'padding}. Reads the
751 @code{'right-padding} property of @code{DynamicText} to fine tune space
752 between the two text elements."
753 (let ((left-bound (ly:spanner-bound grob LEFT)))
754 (if (grob::has-interface left-bound 'dynamic-text-interface)
755 (let* ((details (ly:grob-property grob 'bound-details))
756 (left-details (ly:assoc-get 'left details))
757 (my-padding (ly:assoc-get 'padding left-details))
758 (script-padding (ly:grob-property left-bound 'right-padding 0)))
760 (and (number? my-padding)
761 (ly:grob-set-nested-property! grob
762 '(bound-details left attach-dir)
764 (ly:grob-set-nested-property! grob
765 '(bound-details left padding)
766 (+ my-padding script-padding)))))))
769 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
772 (define-public (lyric-text::print grob)
773 "Allow interpretation of tildes as lyric tieing marks."
775 (let ((text (ly:grob-property grob 'text)))
777 (grob-interpret-markup grob (if (string? text)
778 (make-tied-lyric-markup text)
781 (define-public ((grob::calc-property-by-copy prop) grob)
782 (ly:event-property (event-cause grob) prop))
785 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
788 (define-public (fret-board::calc-stencil grob)
789 (grob-interpret-markup
791 (make-fret-diagram-verbose-markup
792 (ly:grob-property grob 'dot-placement-list))))
795 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
798 (define-public (glissando::make-simple-y grob)
799 "Establishes the Y terminus points of the glissando based on the
800 pre-broken positions of its left and right bounds."
801 (let* ((siblings (ly:spanner-broken-into (ly:grob-original grob)))
802 (bound-details (ly:grob-property grob 'bound-details))
803 (extra-dy (ly:grob-property grob 'extra-dy 0.0)))
805 (and (pair? siblings)
806 (for-each (lambda (dir-sym)
807 (let* ((details (assoc-get dir-sym bound-details))
808 (dir (if (eq? dir-sym 'left) LEFT RIGHT))
809 (good-grob (if (eq? dir-sym 'left)
812 (bound (ly:spanner-bound good-grob dir))
813 (common-y (ly:grob-common-refpoint good-grob
816 (y (+ (interval-center (ly:grob-extent bound
821 (if (not (assoc-get 'Y details))
822 (set! bound-details (assoc-set! bound-details dir-sym
823 (acons 'Y y details))))))
826 (set! (ly:grob-property grob 'bound-details) bound-details))))
829 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
832 (define-public (script-interface::calc-x-offset grob)
833 (ly:grob-property grob 'positioning-done)
834 (let* ((shift (ly:grob-property grob 'toward-stem-shift 0.0))
836 (ly:self-alignment-interface::centered-on-x-parent grob))
837 (note-head-grob (ly:grob-parent grob X))
838 (stem-grob (ly:grob-object note-head-grob 'stem)))
840 (+ note-head-location
841 ;; If the property 'toward-stem-shift is defined and the script
842 ;; has the same direction as the stem, move the script accordingly.
843 ;; Since scripts can also be over skips, we need to check whether
844 ;; the grob has a stem at all.
845 (if (ly:grob? stem-grob)
846 (let ((dir1 (ly:grob-property grob 'direction))
847 (dir2 (ly:grob-property stem-grob 'direction)))
848 (if (equal? dir1 dir2)
849 (let* ((common-refp (ly:grob-common-refpoint grob stem-grob X))
851 (ly:grob-relative-coordinate stem-grob common-refp X)))
852 (* shift (- stem-location note-head-location)))
857 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
860 (define-public (system-start-text::print grob)
861 (let* ((left-bound (ly:spanner-bound grob LEFT))
862 (left-mom (ly:grob-property left-bound 'when))
863 (name (if (moment<=? left-mom ZERO-MOMENT)
864 (ly:grob-property grob 'long-text)
865 (ly:grob-property grob 'text))))
867 (if (and (markup? name)
868 (!= (ly:item-break-dir left-bound) CENTER))
870 (grob-interpret-markup grob name)
871 (ly:grob-suicide! grob))))
873 (define-public (system-start-text::calc-x-offset grob)
874 (let* ((left-bound (ly:spanner-bound grob LEFT))
875 (left-mom (ly:grob-property left-bound 'when))
876 (layout (ly:grob-layout grob))
877 (indent (ly:output-def-lookup layout
878 (if (moment<=? left-mom ZERO-MOMENT)
882 (system (ly:grob-system grob))
883 (my-extent (ly:grob-extent grob system X))
884 (elements (ly:grob-object system 'elements))
885 (common (ly:grob-common-refpoint-of-array system elements X))
886 (total-ext empty-interval)
887 (align-x (ly:grob-property grob 'self-alignment-X 0))
888 (padding (min 0 (- (interval-length my-extent) indent)))
889 (right-padding (- padding
890 (/ (* padding (1+ align-x)) 2))))
892 ;; compensate for the variation in delimiter extents by
893 ;; calculating an X-offset correction based on united extents
894 ;; of all delimiters in this system
895 (let unite-delims ((l (ly:grob-array-length elements)))
897 (let ((elt (ly:grob-array-ref elements (1- l))))
899 (if (grob::has-interface elt 'system-start-delimiter-interface)
900 (let ((dims (ly:grob-extent elt common X)))
901 (if (interval-sane? dims)
902 (set! total-ext (interval-union total-ext dims)))))
903 (unite-delims (1- l)))))
906 (ly:side-position-interface::x-aligned-side grob)
908 (- (interval-length total-ext)))))
910 (define-public (system-start-text::calc-y-offset grob)
912 (define (live-elements-list me)
913 (let ((elements (ly:grob-object me 'elements)))
915 (filter! grob::is-live?
916 (ly:grob-array->list elements))))
918 (let* ((left-bound (ly:spanner-bound grob LEFT))
919 (live-elts (live-elements-list grob))
920 (system (ly:grob-system grob))
921 (extent empty-interval))
923 (if (and (pair? live-elts)
924 (interval-sane? (ly:grob-extent grob system Y)))
925 (let get-extent ((lst live-elts))
927 (let ((axis-group (car lst)))
929 (if (and (ly:spanner? axis-group)
930 (equal? (ly:spanner-bound axis-group LEFT)
932 (set! extent (add-point extent
933 (ly:grob-relative-coordinate
934 axis-group system Y))))
935 (get-extent (cdr lst)))))
936 ;; no live axis group(s) for this instrument name -> remove from system
937 (ly:grob-suicide! grob))
940 (ly:self-alignment-interface::y-aligned-on-self grob)
941 (interval-center extent))))
944 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
947 (define-public (ambitus::print grob)
948 (let ((heads (ly:grob-object grob 'note-heads)))
950 (if (and (ly:grob-array? heads)
951 (= (ly:grob-array-length heads) 2))
952 (let* ((common (ly:grob-common-refpoint-of-array grob heads Y))
953 (head-down (ly:grob-array-ref heads 0))
954 (head-up (ly:grob-array-ref heads 1))
955 (gap (ly:grob-property grob 'gap 0.35))
956 (point-min (+ (interval-end (ly:grob-extent head-down common Y))
958 (point-max (- (interval-start (ly:grob-extent head-up common Y))
961 (if (< point-min point-max)
962 (let* ((layout (ly:grob-layout grob))
963 (line-thick (ly:output-def-lookup layout 'line-thickness))
964 (blot (ly:output-def-lookup layout 'blot-diameter))
965 (grob-thick (ly:grob-property grob 'thickness 2))
966 (width (* line-thick grob-thick))
967 (x-ext (symmetric-interval (/ width 2)))
968 (y-ext (cons point-min point-max))
969 (line (ly:round-filled-box x-ext y-ext blot))
970 (y-coord (ly:grob-relative-coordinate grob common Y)))
972 (ly:stencil-translate-axis line (- y-coord) Y))
975 (ly:grob-suicide! grob)
978 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
979 ;; laissez-vibrer tie
981 ;; needed so we can make laissez-vibrer a pure print
983 (define-public (laissez-vibrer::print grob)
984 (ly:tie::print grob))