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)))
249 (define-public spanbar-begin-of-line-invisible #(#t #f #f))
252 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
256 ;; How should a bar line behave at a break?
257 (define bar-glyph-alist
258 '((":|:" . (":|" . "|:"))
259 (":|.|:" . (":|" . "|:"))
260 (":|.:" . (":|" . "|:"))
261 ("||:" . ("||" . "|:"))
262 ("dashed" . ("dashed" . '()))
264 ("||:" . ("||" . "|:"))
266 ("|:" . ("|" . "|:"))
269 ;; hmm... should we end with a bar line here?
270 (".|" . ("|" . ".|"))
273 (".|." . (".|." . ()))
274 ("|.|" . ("|.|" . ()))
279 ("empty" . (() . ()))
280 ("brace" . (() . "brace"))
281 ("bracket" . (() . "bracket"))
287 (":|S" . (":|" . "S"))
288 (":|S." . (":|S" . ()))
289 ("S|:" . ("S" . "|:"))
290 (".S|:" . ("|" . "S|:"))
291 (":|S|:" . (":|" . "S|:"))
292 (":|S.|:" . (":|S" . "|:"))))
294 (define-public (bar-line::calc-glyph-name grob)
295 (let* ((glyph (ly:grob-property grob 'glyph))
296 (dir (ly:item-break-dir grob))
297 (result (assoc-get glyph bar-glyph-alist))
298 (glyph-name (if (= dir CENTER)
301 (string? (index-cell result dir)))
302 (index-cell result dir)
306 (define-public (bar-line::calc-break-visibility grob)
307 (let* ((glyph (ly:grob-property grob 'glyph))
308 (result (assoc-get glyph bar-glyph-alist)))
311 (vector (string? (car result)) #t (string? (cdr result)))
314 (define-public (shift-right-at-line-begin g)
315 "Shift an item to the right, but only at the start of the line."
316 (if (and (ly:item? g)
317 (equal? (ly:item-break-dir g) RIGHT))
318 (ly:grob-translate-axis! g 3.5 X)))
321 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
324 (define-public (tuplet-number::calc-denominator-text grob)
325 (number->string (ly:event-property (event-cause grob) 'denominator)))
327 (define-public (tuplet-number::calc-fraction-text grob)
328 (let ((ev (event-cause grob)))
331 (ly:event-property ev 'denominator)
332 (ly:event-property ev 'numerator))))
334 ;; a formatter function, which is simply a wrapper around an existing
335 ;; tuplet formatter function. It takes the value returned by the given
336 ;; function and appends a note of given length.
337 (define-public ((tuplet-number::append-note-wrapper function note) grob)
338 (let ((txt (if function (function grob) #f)))
341 (markup txt #:fontsize -5 #:note note UP)
342 (markup #:fontsize -5 #:note note UP))))
344 ;; Print a tuplet denominator with a different number than the one derived from
345 ;; the actual tuplet fraction
346 (define-public ((tuplet-number::non-default-tuplet-denominator-text denominator)
348 (number->string (if denominator
350 (ly:event-property (event-cause grob) 'denominator))))
352 ;; Print a tuplet fraction with different numbers than the ones derived from
353 ;; the actual tuplet fraction
354 (define-public ((tuplet-number::non-default-tuplet-fraction-text
355 denominator numerator) grob)
356 (let* ((ev (event-cause grob))
357 (den (if denominator denominator (ly:event-property ev 'denominator)))
358 (num (if numerator numerator (ly:event-property ev 'numerator))))
360 (format "~a:~a" den num)))
362 ;; Print a tuplet fraction with note durations appended to the numerator and the
364 (define-public ((tuplet-number::fraction-with-notes
365 denominatornote numeratornote) grob)
366 (let* ((ev (event-cause grob))
367 (denominator (ly:event-property ev 'denominator))
368 (numerator (ly:event-property ev 'numerator)))
370 ((tuplet-number::non-default-fraction-with-notes
371 denominator denominatornote numerator numeratornote) grob)))
373 ;; Print a tuplet fraction with note durations appended to the numerator and the
375 (define-public ((tuplet-number::non-default-fraction-with-notes
376 denominator denominatornote numerator numeratornote) grob)
377 (let* ((ev (event-cause grob))
378 (den (if denominator denominator (ly:event-property ev 'denominator)))
379 (num (if numerator numerator (ly:event-property ev 'numerator))))
381 (make-concat-markup (list
382 (make-simple-markup (format "~a" den))
383 (markup #:fontsize -5 #:note denominatornote UP)
384 (make-simple-markup " : ")
385 (make-simple-markup (format "~a" num))
386 (markup #:fontsize -5 #:note numeratornote UP)))))
389 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
392 (define-public (color? x)
395 (apply eq? #t (map number? x))
396 (apply eq? #t (map (lambda (y) (<= 0 y 1)) x))))
398 (define-public (rgb-color r g b) (list r g b))
401 (define-public black '(0.0 0.0 0.0))
402 (define-public white '(1.0 1.0 1.0))
403 (define-public red '(1.0 0.0 0.0))
404 (define-public green '(0.0 1.0 0.0))
405 (define-public blue '(0.0 0.0 1.0))
406 (define-public cyan '(0.0 1.0 1.0))
407 (define-public magenta '(1.0 0.0 1.0))
408 (define-public yellow '(1.0 1.0 0.0))
410 (define-public grey '(0.5 0.5 0.5))
411 (define-public darkred '(0.5 0.0 0.0))
412 (define-public darkgreen '(0.0 0.5 0.0))
413 (define-public darkblue '(0.0 0.0 0.5))
414 (define-public darkcyan '(0.0 0.5 0.5))
415 (define-public darkmagenta '(0.5 0.0 0.5))
416 (define-public darkyellow '(0.5 0.5 0.0))
419 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
422 (define-public (key-signature-interface::alteration-position step alter
424 ;; TODO: memoize - this is mostly constant.
426 ;; fes, ges, as and bes typeset in lower octave
427 (define FLAT_TOP_PITCH 2)
429 ;; ais and bis typeset in lower octave
430 (define SHARP_TOP_PITCH 4)
433 (+ (cdr step) (* (car step) 7) c0-position)
434 (let* ((from-bottom-pos (modulo (+ 4 49 c0-position) 7))
436 (c0 (- from-bottom-pos 4)))
440 (or (> p FLAT_TOP_PITCH) (> (+ p c0) 4)) (> (+ p c0) 1))
442 (or (> p SHARP_TOP_PITCH) (> (+ p c0) 5)) (> (+ p c0) 2)))
444 ;; Typeset below c_position
447 ;; Provide for the four cases in which there's a glitch
448 ;; it's a hack, but probably not worth
449 ;; the effort of finding a nicer solution.
452 ((and (= c0 2) (= p 3) (> alter 0))
454 ((and (= c0 -3) (= p -1) (> alter 0))
456 ((and (= c0 -4) (= p -1) (< alter 0))
458 ((and (= c0 -2) (= p -3) (< alter 0))
464 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
467 (define-public (accidental-interface::calc-alteration grob)
468 (ly:pitch-alteration (ly:event-property (event-cause grob) 'pitch)))
470 (define-public cancellation-glyph-name-alist
471 '((0 . "accidentals.natural")))
473 (define-public standard-alteration-glyph-name-alist
475 ;; ordered for optimal performance.
476 (0 . "accidentals.natural")
477 (-1/2 . "accidentals.flat")
478 (1/2 . "accidentals.sharp")
480 (1 . "accidentals.doublesharp")
481 (-1 . "accidentals.flatflat")
483 (3/4 . "accidentals.sharp.slashslash.stemstemstem")
484 (1/4 . "accidentals.sharp.slashslash.stem")
485 (-1/4 . "accidentals.mirroredflat")
486 (-3/4 . "accidentals.mirroredflat.flat")))
488 ;; FIXME: standard vs default, alteration-FOO vs FOO-alteration
489 (define-public alteration-default-glyph-name-alist
490 standard-alteration-glyph-name-alist)
492 (define-public makam-alteration-glyph-name-alist
493 '((1 . "accidentals.doublesharp")
494 (8/9 . "accidentals.sharp.slashslashslash.stemstem")
495 (5/9 . "accidentals.sharp.slashslashslash.stem")
496 (4/9 . "accidentals.sharp")
497 (1/9 . "accidentals.sharp.slashslash.stem")
498 (0 . "accidentals.natural")
499 (-1/9 . "accidentals.mirroredflat")
500 (-4/9 . "accidentals.flat.slash")
501 (-5/9 . "accidentals.flat")
502 (-8/9 . "accidentals.flat.slashslash")
503 (-1 . "accidentals.flatflat")))
505 (define-public alteration-hufnagel-glyph-name-alist
506 '((-1/2 . "accidentals.hufnagelM1")
507 (0 . "accidentals.vaticana0")
508 (1/2 . "accidentals.mensural1")))
510 (define-public alteration-medicaea-glyph-name-alist
511 '((-1/2 . "accidentals.medicaeaM1")
512 (0 . "accidentals.vaticana0")
513 (1/2 . "accidentals.mensural1")))
515 (define-public alteration-vaticana-glyph-name-alist
516 '((-1/2 . "accidentals.vaticanaM1")
517 (0 . "accidentals.vaticana0")
518 (1/2 . "accidentals.mensural1")))
520 (define-public alteration-mensural-glyph-name-alist
521 '((-1/2 . "accidentals.mensuralM1")
522 (0 . "accidentals.vaticana0")
523 (1/2 . "accidentals.mensural1")))
526 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
527 ;; * Pitch Trill Heads
530 (define-public (parentheses-item::calc-parenthesis-stencils grob)
531 (let* ((font (ly:grob-default-font grob))
532 (lp (ly:font-get-glyph font "accidentals.leftparen"))
533 (rp (ly:font-get-glyph font "accidentals.rightparen")))
537 (define-public (parentheses-item::calc-angled-bracket-stencils grob)
538 (let* ((parent (ly:grob-parent grob Y))
539 (y-extent (ly:grob-extent parent parent Y))
540 (half-thickness 0.05) ; should it be a property?
541 (width 0.5) ; should it be a property?
542 (angularity 1.5) ; makes angle brackets
543 (white-padding 0.1) ; should it be a property?
544 (lp (ly:stencil-aligned-to
545 (ly:stencil-aligned-to
546 (make-parenthesis-stencil y-extent
553 (interval-widen (ly:stencil-extent lp X) white-padding))
554 (rp (ly:stencil-aligned-to
555 (ly:stencil-aligned-to
556 (make-parenthesis-stencil y-extent
563 (interval-widen (ly:stencil-extent rp X) white-padding)))
564 (set! lp (ly:make-stencil (ly:stencil-expr lp)
566 (ly:stencil-extent lp Y)))
567 (set! rp (ly:make-stencil (ly:stencil-expr rp)
569 (ly:stencil-extent rp Y)))
570 (list (stencil-whiteout lp)
571 (stencil-whiteout rp))))
573 (define (parenthesize-elements grob . rest)
574 (let* ((refp (if (null? rest)
577 (elts (ly:grob-object grob 'elements))
578 (x-ext (ly:relative-group-extent elts refp X))
579 (stencils (ly:grob-property grob 'stencils))
582 (padding (ly:grob-property grob 'padding 0.1)))
585 (ly:stencil-translate-axis lp (- (car x-ext) padding) X)
586 (ly:stencil-translate-axis rp (+ (cdr x-ext) padding) X))))
589 (define (parentheses-item::print me)
590 (let* ((elts (ly:grob-object me 'elements))
591 (y-ref (ly:grob-common-refpoint-of-array me elts Y))
592 (x-ref (ly:grob-common-refpoint-of-array me elts X))
593 (stencil (parenthesize-elements me x-ref))
594 (elt-y-ext (ly:relative-group-extent elts y-ref Y))
595 (y-center (interval-center elt-y-ext)))
597 (ly:stencil-translate
600 (- (ly:grob-relative-coordinate me x-ref X))
601 (- y-center (ly:grob-relative-coordinate me y-ref Y))))))
605 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
608 (define-public (chain-grob-member-functions grob value . funcs)
611 (set! value (func grob value)))
617 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
620 (define-public (bend::print spanner)
622 (< (abs (- a b)) 0.01))
624 (let* ((delta-y (* 0.5 (ly:grob-property spanner 'delta-position)))
625 (left-span (ly:spanner-bound spanner LEFT))
626 (dots (if (and (grob::has-interface left-span 'note-head-interface)
627 (ly:grob? (ly:grob-object left-span 'dot)))
628 (ly:grob-object left-span 'dot) #f))
630 (right-span (ly:spanner-bound spanner RIGHT))
631 (thickness (* (ly:grob-property spanner 'thickness)
632 (ly:output-def-lookup (ly:grob-layout spanner)
634 (padding (ly:grob-property spanner 'padding 0.5))
635 (common (ly:grob-common-refpoint right-span
636 (ly:grob-common-refpoint spanner
639 (common-y (ly:grob-common-refpoint spanner left-span Y))
640 (minimum-length (ly:grob-property spanner 'minimum-length 0.5))
644 (interval-end (ly:grob-robust-relative-extent
649 (ly:grob-relative-coordinate dots common-y Y)
650 (ly:grob-relative-coordinate spanner common-y Y)))
652 (ly:grob-robust-relative-extent dots common X))
653 ;; TODO: use real infinity constant.
655 (right-x (max (- (interval-start
656 (ly:grob-robust-relative-extent right-span common X))
658 (+ left-x minimum-length)))
659 (self-x (ly:grob-relative-coordinate spanner common X))
660 (dx (- right-x left-x))
661 (exp (list 'path thickness
669 ,dx ,(* 0.66 delta-y)
674 (cons (- left-x self-x) (- right-x self-x))
675 (cons (min 0 delta-y)
679 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
682 (define-public (grace-spacing::calc-shortest-duration grob)
683 (let* ((cols (ly:grob-object grob 'columns))
686 (ly:moment-sub (ly:grob-property
687 (ly:grob-array-ref cols (1+ idx)) 'when)
689 (ly:grob-array-ref cols idx) 'when))))
691 (moment-min (lambda (x y)
694 (if (ly:moment<? x y)
700 (fold moment-min #f (map get-difference
701 (iota (1- (ly:grob-array-length cols)))))))
704 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
707 (define-public (fingering::calc-text grob)
708 (let* ((event (event-cause grob))
709 (digit (ly:event-property event 'digit)))
712 (ly:input-message (ly:event-property event 'origin)
713 "Warning: Fingering notation for finger number ~a"
716 (number->string digit 10)))
718 (define-public (string-number::calc-text grob)
719 (let ((digit (ly:event-property (event-cause grob) 'string-number)))
721 (number->string digit 10)))
723 (define-public (stroke-finger::calc-text grob)
724 (let* ((digit (ly:event-property (event-cause grob) 'digit))
725 (text (ly:event-property (event-cause grob) 'text)))
729 (vector-ref (ly:grob-property grob 'digit-names)
730 (1- (max (min 5 digit) 1))))))
733 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
736 (define-public (hairpin::calc-grow-direction grob)
737 (if (eq? (ly:event-property (event-cause grob) 'class) 'decrescendo-event)
741 (define-public (dynamic-text-spanner::before-line-breaking grob)
742 "Monitor left bound of @code{DynamicTextSpanner} for absolute dynamics.
743 If found, ensure @code{DynamicText} does not collide with spanner text by
744 changing @code{'attach-dir} and @code{'padding}. Reads the
745 @code{'right-padding} property of @code{DynamicText} to fine tune space
746 between the two text elements."
747 (let ((left-bound (ly:spanner-bound grob LEFT)))
748 (if (grob::has-interface left-bound 'dynamic-text-interface)
749 (let* ((details (ly:grob-property grob 'bound-details))
750 (left-details (ly:assoc-get 'left details))
751 (my-padding (ly:assoc-get 'padding left-details))
752 (script-padding (ly:grob-property left-bound 'right-padding 0)))
754 (and (number? my-padding)
755 (ly:grob-set-nested-property! grob
756 '(bound-details left attach-dir)
758 (ly:grob-set-nested-property! grob
759 '(bound-details left padding)
760 (+ my-padding script-padding)))))))
763 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
766 (define-public (lyric-text::print grob)
767 "Allow interpretation of tildes as lyric tieing marks."
769 (let ((text (ly:grob-property grob 'text)))
771 (grob-interpret-markup grob (if (string? text)
772 (make-tied-lyric-markup text)
775 (define-public ((grob::calc-property-by-copy prop) grob)
776 (ly:event-property (event-cause grob) prop))
779 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
782 (define-public (fret-board::calc-stencil grob)
783 (grob-interpret-markup
785 (make-fret-diagram-verbose-markup
786 (ly:grob-property grob 'dot-placement-list))))
789 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
792 (define-public (script-interface::calc-x-offset grob)
793 (ly:grob-property grob 'positioning-done)
794 (let* ((shift (ly:grob-property grob 'toward-stem-shift 0.0))
796 (ly:self-alignment-interface::centered-on-x-parent grob))
797 (note-head-grob (ly:grob-parent grob X))
798 (stem-grob (ly:grob-object note-head-grob 'stem)))
800 (+ note-head-location
801 ;; If the property 'toward-stem-shift is defined and the script
802 ;; has the same direction as the stem, move the script accordingly.
803 ;; Since scripts can also be over skips, we need to check whether
804 ;; the grob has a stem at all.
805 (if (ly:grob? stem-grob)
806 (let ((dir1 (ly:grob-property grob 'direction))
807 (dir2 (ly:grob-property stem-grob 'direction)))
808 (if (equal? dir1 dir2)
809 (let* ((common-refp (ly:grob-common-refpoint grob stem-grob X))
811 (ly:grob-relative-coordinate stem-grob common-refp X)))
812 (* shift (- stem-location note-head-location)))
817 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
820 (define-public (system-start-text::print grob)
821 (let* ((left-bound (ly:spanner-bound grob LEFT))
822 (left-mom (ly:grob-property left-bound 'when))
823 (name (if (moment<=? left-mom ZERO-MOMENT)
824 (ly:grob-property grob 'long-text)
825 (ly:grob-property grob 'text))))
827 (if (and (markup? name)
828 (!= (ly:item-break-dir left-bound) CENTER))
830 (grob-interpret-markup grob name)
831 (ly:grob-suicide! grob))))
833 (define-public (system-start-text::calc-x-offset grob)
834 (let* ((left-bound (ly:spanner-bound grob LEFT))
835 (left-mom (ly:grob-property left-bound 'when))
836 (layout (ly:grob-layout grob))
837 (indent (ly:output-def-lookup layout
838 (if (moment<=? left-mom ZERO-MOMENT)
842 (system (ly:grob-system grob))
843 (my-extent (ly:grob-extent grob system X))
844 (elements (ly:grob-object system 'elements))
845 (common (ly:grob-common-refpoint-of-array system elements X))
846 (total-ext empty-interval)
847 (align-x (ly:grob-property grob 'self-alignment-X 0))
848 (padding (min 0 (- (interval-length my-extent) indent)))
849 (right-padding (- padding
850 (/ (* padding (1+ align-x)) 2))))
852 ;; compensate for the variation in delimiter extents by
853 ;; calculating an X-offset correction based on united extents
854 ;; of all delimiters in this system
855 (let unite-delims ((l (ly:grob-array-length elements)))
857 (let ((elt (ly:grob-array-ref elements (1- l))))
859 (if (grob::has-interface elt 'system-start-delimiter-interface)
860 (let ((dims (ly:grob-extent elt common X)))
861 (if (interval-sane? dims)
862 (set! total-ext (interval-union total-ext dims)))))
863 (unite-delims (1- l)))))
866 (ly:side-position-interface::x-aligned-side grob)
868 (- (interval-length total-ext)))))
870 (define-public (system-start-text::calc-y-offset grob)
872 (define (live-elements-list me)
873 (let ((elements (ly:grob-object me 'elements)))
875 (filter! grob::is-live?
876 (ly:grob-array->list elements))))
878 (let* ((left-bound (ly:spanner-bound grob LEFT))
879 (live-elts (live-elements-list grob))
880 (system (ly:grob-system grob))
881 (extent empty-interval))
883 (if (and (pair? live-elts)
884 (interval-sane? (ly:grob-extent grob system Y)))
885 (let get-extent ((lst live-elts))
887 (let ((axis-group (car lst)))
889 (if (and (ly:spanner? axis-group)
890 (equal? (ly:spanner-bound axis-group LEFT)
892 (set! extent (add-point extent
893 (ly:grob-relative-coordinate
894 axis-group system Y))))
895 (get-extent (cdr lst)))))
896 ;; no live axis group(s) for this instrument name -> remove from system
897 (ly:grob-suicide! grob))
900 (ly:self-alignment-interface::y-aligned-on-self grob)
901 (interval-center extent))))
904 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
907 (define-public (ambitus::print grob)
908 (let ((heads (ly:grob-object grob 'note-heads)))
910 (if (and (ly:grob-array? heads)
911 (= (ly:grob-array-length heads) 2))
912 (let* ((common (ly:grob-common-refpoint-of-array grob heads Y))
913 (head-down (ly:grob-array-ref heads 0))
914 (head-up (ly:grob-array-ref heads 1))
915 (gap (ly:grob-property grob 'gap 0.35))
916 (point-min (+ (interval-end (ly:grob-extent head-down common Y))
918 (point-max (- (interval-start (ly:grob-extent head-up common Y))
921 (if (< point-min point-max)
922 (let* ((layout (ly:grob-layout grob))
923 (line-thick (ly:output-def-lookup layout 'line-thickness))
924 (blot (ly:output-def-lookup layout 'blot-diameter))
925 (grob-thick (ly:grob-property grob 'thickness 2))
926 (width (* line-thick grob-thick))
927 (x-ext (symmetric-interval (/ width 2)))
928 (y-ext (cons point-min point-max))
929 (line (ly:round-filled-box x-ext y-ext blot))
930 (y-coord (ly:grob-relative-coordinate grob common Y)))
932 (ly:stencil-translate-axis line (- y-coord) Y))
935 (ly:grob-suicide! grob)
938 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
939 ;; laissez-vibrer tie
941 ;; needed so we can make laissez-vibrer a pure print
943 (define-public (laissez-vibrer::print grob)
944 (ly:tie::print grob))