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)
31 "Return function that adds a box around the grob passed as argument."
33 (box-stencil (callback grob) thickness padding)))
35 (define-public (make-stencil-circler thickness padding callback)
36 "Return function that adds a circle around the grob passed as argument."
38 (lambda (grob) (circle-stencil (callback grob) thickness padding)))
40 (define-public (print-circled-text-callback grob)
41 (grob-interpret-markup grob (make-circle-markup
42 (ly:grob-property grob 'text))))
44 (define-public (event-cause grob)
45 (let ((cause (ly:grob-property grob 'cause)))
48 ((ly:stream-event? cause) cause)
49 ((ly:grob? cause) (event-cause cause))
52 (define-public (grob-interpret-markup grob text)
53 (let* ((layout (ly:grob-layout grob))
54 (defs (ly:output-def-lookup layout 'text-font-defaults))
55 (props (ly:grob-alist-chain grob defs)))
57 (ly:text-interface::interpret-markup layout props text)))
60 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
63 (define-public (stem::calc-duration-log grob)
65 (ly:event-property (event-cause grob) 'duration)))
67 (define-public (note-head::calc-duration-log grob)
70 (ly:event-property (event-cause grob) 'duration))))
72 (define-public (dots::calc-dot-count grob)
73 (ly:duration-dot-count
74 (ly:event-property (event-cause grob) 'duration)))
76 (define-public (dots::calc-staff-position grob)
77 (let* ((head (ly:grob-parent grob Y))
78 (log (ly:grob-property head 'duration-log)))
81 ((or (not (grob::has-interface head 'rest-interface))
82 (not (integer? log))) 0)
90 ;; Kept separate from note-head::calc-glyph-name to allow use by
91 ;; markup commands \note and \note-by-number
92 (define-public (select-head-glyph style log)
93 "Select a note head glyph string based on note head style @var{style}
94 and duration-log @var{log}."
96 ;; "default" style is directly handled in note-head.cc as a
97 ;; special case (HW says, mainly for performance reasons).
98 ;; Therefore, style "default" does not appear in this case
100 ((xcircle) "2xcircle")
101 ((harmonic) "0harmonic")
102 ((harmonic-black) "2harmonic")
103 ((harmonic-mixed) (if (<= log 1) "0harmonic"
106 ;; Oops, I actually would not call this "baroque", but, for
107 ;; backwards compatibility to 1.4, this is supposed to take
108 ;; brevis, longa and maxima from the neo-mensural font and all
109 ;; other note heads from the default font. -- jr
111 (string-append (number->string log) "neomensural")
112 (number->string log)))
114 ;; Like default, but brevis is drawn with double vertical lines
116 (string-append (number->string log) "double")
117 (number->string log)))
119 (string-append (number->string log) (symbol->string style)))
122 (string-append (number->string log) "mensural")
123 (string-append (number->string log) (symbol->string style))))
125 (string-append (number->string log) (symbol->string style)))
127 (if (string-match "vaticana*|hufnagel*|medicaea*" (symbol->string style))
128 (symbol->string style)
129 (string-append (number->string (max 0 log))
130 (symbol->string style))))))
132 (define-public (note-head::calc-glyph-name grob)
133 (let ((style (ly:grob-property grob 'style))
134 (log (min 2 (ly:grob-property grob 'duration-log))))
136 (select-head-glyph style log)))
138 (define-public (note-head::brew-ez-stencil grob)
139 (let* ((log (ly:grob-property grob 'duration-log))
140 (pitch (ly:event-property (event-cause grob) 'pitch))
141 (pitch-index (ly:pitch-notename pitch))
142 (note-names (ly:grob-property grob 'note-names))
143 (pitch-string (if (and (vector? note-names)
144 (> (vector-length note-names) pitch-index))
145 (vector-ref note-names pitch-index)
148 (+ (modulo (+ pitch-index 2) 7)
149 (char->integer #\A))))))
150 (staff-space (ly:staff-symbol-staff-space grob))
151 (line-thickness (ly:staff-symbol-line-thickness grob))
152 (stem (ly:grob-object grob 'stem))
153 (stem-thickness (* (if (ly:grob? stem)
154 (ly:grob-property stem 'thickness)
157 (radius (/ (+ staff-space line-thickness) 2))
158 (letter (markup #:center-align #:vcenter pitch-string))
159 (filled-circle (markup #:draw-circle radius 0 #t)))
161 (ly:stencil-translate-axis
162 (grob-interpret-markup
167 (make-with-color-markup white letter))
171 (make-with-color-markup white (make-draw-circle-markup
172 (- radius stem-thickness) 0 #t)))
176 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
179 (define-public (make-rhythmic-location bar-num num den)
181 bar-num (ly:make-moment num den)))
183 (define-public (rhythmic-location? a)
186 (ly:moment? (cdr a))))
188 (define-public (make-graceless-rhythmic-location loc)
189 (make-rhythmic-location
191 (ly:moment-main-numerator (rhythmic-location-measure-position loc))
192 (ly:moment-main-denominator (rhythmic-location-measure-position loc))))
194 (define-public rhythmic-location-measure-position cdr)
195 (define-public rhythmic-location-bar-number car)
197 (define-public (rhythmic-location<? a b)
199 ((< (car a) (car b)) #t)
200 ((> (car a) (car b)) #f)
202 (ly:moment<? (cdr a) (cdr b)))))
204 (define-public (rhythmic-location<=? a b)
205 (not (rhythmic-location<? b a)))
206 (define-public (rhythmic-location>=? a b)
207 (rhythmic-location<? a b))
208 (define-public (rhythmic-location>? a b)
209 (rhythmic-location<? b a))
211 (define-public (rhythmic-location=? a b)
212 (and (rhythmic-location<=? a b)
213 (rhythmic-location<=? b a)))
215 (define-public (rhythmic-location->file-string a)
216 (ly:format "~a.~a.~a"
218 (ly:moment-main-numerator (cdr a))
219 (ly:moment-main-denominator (cdr a))))
221 (define-public (rhythmic-location->string a)
222 (ly:format "bar ~a ~a"
224 (ly:moment->string (cdr a))))
226 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
229 (define-public all-visible #(#t #t #t))
230 (define-public begin-of-line-invisible #(#t #t #f))
231 (define-public center-invisible #(#t #f #t))
232 (define-public end-of-line-invisible #(#f #t #t))
233 (define-public begin-of-line-visible #(#f #f #t))
234 (define-public center-visible #(#f #t #f))
235 (define-public end-of-line-visible #(#t #f #f))
236 (define-public all-invisible #(#f #f #f))
237 (define-public (inherit-x-parent-visibility grob)
238 (let ((parent (ly:grob-parent grob X)))
239 (ly:grob-property parent 'break-visibility all-invisible)))
242 (define-public spanbar-begin-of-line-invisible #(#t #f #f))
245 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
249 ;; How should a bar line behave at a break?
250 (define bar-glyph-alist
251 '((":|:" . (":|" . "|:"))
252 (":|.|:" . (":|" . "|:"))
253 (":|.:" . (":|" . "|:"))
254 ("||:" . ("||" . "|:"))
255 ("dashed" . ("dashed" . '()))
257 ("||:" . ("||" . "|:"))
259 ("|:" . ("|" . "|:"))
262 ;; hmm... should we end with a bar line here?
263 (".|" . ("|" . ".|"))
266 (".|." . (".|." . ()))
267 ("|.|" . ("|.|" . ()))
272 ("empty" . (() . ()))
273 ("brace" . (() . "brace"))
274 ("bracket" . (() . "bracket"))
280 (":|S" . (":|" . "S"))
281 (":|S." . (":|S" . ()))
282 ("S|:" . ("S" . "|:"))
283 (".S|:" . ("|" . "S|:"))
284 (":|S|:" . (":|" . "S|:"))
285 (":|S.|:" . (":|S" . "|:"))))
287 (define-public (bar-line::calc-glyph-name grob)
288 (let* ((glyph (ly:grob-property grob 'glyph))
289 (dir (ly:item-break-dir grob))
290 (result (assoc-get glyph bar-glyph-alist))
291 (glyph-name (if (= dir CENTER)
294 (string? (index-cell result dir)))
295 (index-cell result dir)
299 (define-public (bar-line::calc-break-visibility grob)
300 (let* ((glyph (ly:grob-property grob 'glyph))
301 (result (assoc-get glyph bar-glyph-alist)))
304 (vector (string? (car result)) #t (string? (cdr result)))
307 (define-public (shift-right-at-line-begin g)
308 "Shift an item to the right, but only at the start of the line."
309 (if (and (ly:item? g)
310 (equal? (ly:item-break-dir g) RIGHT))
311 (ly:grob-translate-axis! g 3.5 X)))
314 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
317 (define-public (tuplet-number::calc-denominator-text grob)
318 (number->string (ly:event-property (event-cause grob) 'denominator)))
320 (define-public (tuplet-number::calc-fraction-text grob)
321 (let ((ev (event-cause grob)))
324 (ly:event-property ev 'denominator)
325 (ly:event-property ev 'numerator))))
327 ;; a formatter function, which is simply a wrapper around an existing
328 ;; tuplet formatter function. It takes the value returned by the given
329 ;; function and appends a note of given length.
330 (define-public ((tuplet-number::append-note-wrapper function note) grob)
331 (let ((txt (if function (function grob) #f)))
334 (markup txt #:fontsize -5 #:note note UP)
335 (markup #:fontsize -5 #:note note UP))))
337 ;; Print a tuplet denominator with a different number than the one derived from
338 ;; the actual tuplet fraction
339 (define-public ((tuplet-number::non-default-tuplet-denominator-text denominator)
341 (number->string (if denominator
343 (ly:event-property (event-cause grob) 'denominator))))
345 ;; Print a tuplet fraction with different numbers than the ones derived from
346 ;; the actual tuplet fraction
347 (define-public ((tuplet-number::non-default-tuplet-fraction-text
348 denominator numerator) grob)
349 (let* ((ev (event-cause grob))
350 (den (if denominator denominator (ly:event-property ev 'denominator)))
351 (num (if numerator numerator (ly:event-property ev 'numerator))))
353 (format "~a:~a" den num)))
355 ;; Print a tuplet fraction with note durations appended to the numerator and the
357 (define-public ((tuplet-number::fraction-with-notes
358 denominatornote numeratornote) grob)
359 (let* ((ev (event-cause grob))
360 (denominator (ly:event-property ev 'denominator))
361 (numerator (ly:event-property ev 'numerator)))
363 ((tuplet-number::non-default-fraction-with-notes
364 denominator denominatornote numerator numeratornote) grob)))
366 ;; Print a tuplet fraction with note durations appended to the numerator and the
368 (define-public ((tuplet-number::non-default-fraction-with-notes
369 denominator denominatornote numerator numeratornote) grob)
370 (let* ((ev (event-cause grob))
371 (den (if denominator denominator (ly:event-property ev 'denominator)))
372 (num (if numerator numerator (ly:event-property ev 'numerator))))
374 (make-concat-markup (list
375 (make-simple-markup (format "~a" den))
376 (markup #:fontsize -5 #:note denominatornote UP)
377 (make-simple-markup " : ")
378 (make-simple-markup (format "~a" num))
379 (markup #:fontsize -5 #:note numeratornote UP)))))
382 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
385 (define-public (color? x)
388 (apply eq? #t (map number? x))
389 (apply eq? #t (map (lambda (y) (<= 0 y 1)) x))))
391 (define-public (rgb-color r g b) (list r g b))
394 (define-public black '(0.0 0.0 0.0))
395 (define-public white '(1.0 1.0 1.0))
396 (define-public red '(1.0 0.0 0.0))
397 (define-public green '(0.0 1.0 0.0))
398 (define-public blue '(0.0 0.0 1.0))
399 (define-public cyan '(0.0 1.0 1.0))
400 (define-public magenta '(1.0 0.0 1.0))
401 (define-public yellow '(1.0 1.0 0.0))
403 (define-public grey '(0.5 0.5 0.5))
404 (define-public darkred '(0.5 0.0 0.0))
405 (define-public darkgreen '(0.0 0.5 0.0))
406 (define-public darkblue '(0.0 0.0 0.5))
407 (define-public darkcyan '(0.0 0.5 0.5))
408 (define-public darkmagenta '(0.5 0.0 0.5))
409 (define-public darkyellow '(0.5 0.5 0.0))
412 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
415 (define-public (key-signature-interface::alteration-position step alter
417 ;; TODO: memoize - this is mostly constant.
419 ;; fes, ges, as and bes typeset in lower octave
420 (define FLAT_TOP_PITCH 2)
422 ;; ais and bis typeset in lower octave
423 (define SHARP_TOP_PITCH 4)
426 (+ (cdr step) (* (car step) 7) c0-position)
427 (let* ((from-bottom-pos (modulo (+ 4 49 c0-position) 7))
429 (c0 (- from-bottom-pos 4)))
433 (or (> p FLAT_TOP_PITCH) (> (+ p c0) 4)) (> (+ p c0) 1))
435 (or (> p SHARP_TOP_PITCH) (> (+ p c0) 5)) (> (+ p c0) 2)))
437 ;; Typeset below c_position
440 ;; Provide for the four cases in which there's a glitch
441 ;; it's a hack, but probably not worth
442 ;; the effort of finding a nicer solution.
445 ((and (= c0 2) (= p 3) (> alter 0))
447 ((and (= c0 -3) (= p -1) (> alter 0))
449 ((and (= c0 -4) (= p -1) (< alter 0))
451 ((and (= c0 -2) (= p -3) (< alter 0))
457 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
460 (define-public (accidental-interface::calc-alteration grob)
461 (ly:pitch-alteration (ly:event-property (event-cause grob) 'pitch)))
463 (define-public cancellation-glyph-name-alist
464 '((0 . "accidentals.natural")))
466 (define-public standard-alteration-glyph-name-alist
468 ;; ordered for optimal performance.
469 (0 . "accidentals.natural")
470 (-1/2 . "accidentals.flat")
471 (1/2 . "accidentals.sharp")
473 (1 . "accidentals.doublesharp")
474 (-1 . "accidentals.flatflat")
476 (3/4 . "accidentals.sharp.slashslash.stemstemstem")
477 (1/4 . "accidentals.sharp.slashslash.stem")
478 (-1/4 . "accidentals.mirroredflat")
479 (-3/4 . "accidentals.mirroredflat.flat")))
481 ;; FIXME: standard vs default, alteration-FOO vs FOO-alteration
482 (define-public alteration-default-glyph-name-alist
483 standard-alteration-glyph-name-alist)
485 (define-public makam-alteration-glyph-name-alist
486 '((1 . "accidentals.doublesharp")
487 (8/9 . "accidentals.sharp.slashslashslash.stemstem")
488 (5/9 . "accidentals.sharp.slashslashslash.stem")
489 (4/9 . "accidentals.sharp")
490 (1/9 . "accidentals.sharp.slashslash.stem")
491 (0 . "accidentals.natural")
492 (-1/9 . "accidentals.mirroredflat")
493 (-4/9 . "accidentals.flat.slash")
494 (-5/9 . "accidentals.flat")
495 (-8/9 . "accidentals.flat.slashslash")
496 (-1 . "accidentals.flatflat")))
498 (define-public alteration-hufnagel-glyph-name-alist
499 '((-1/2 . "accidentals.hufnagelM1")
500 (0 . "accidentals.vaticana0")
501 (1/2 . "accidentals.mensural1")))
503 (define-public alteration-medicaea-glyph-name-alist
504 '((-1/2 . "accidentals.medicaeaM1")
505 (0 . "accidentals.vaticana0")
506 (1/2 . "accidentals.mensural1")))
508 (define-public alteration-vaticana-glyph-name-alist
509 '((-1/2 . "accidentals.vaticanaM1")
510 (0 . "accidentals.vaticana0")
511 (1/2 . "accidentals.mensural1")))
513 (define-public alteration-mensural-glyph-name-alist
514 '((-1/2 . "accidentals.mensuralM1")
515 (0 . "accidentals.vaticana0")
516 (1/2 . "accidentals.mensural1")))
519 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
520 ;; * Pitch Trill Heads
523 (define-public (parentheses-item::calc-parenthesis-stencils grob)
524 (let* ((font (ly:grob-default-font grob))
525 (lp (ly:font-get-glyph font "accidentals.leftparen"))
526 (rp (ly:font-get-glyph font "accidentals.rightparen")))
530 (define-public (parentheses-item::calc-angled-bracket-stencils grob)
531 (let* ((parent (ly:grob-parent grob Y))
532 (y-extent (ly:grob-extent parent parent Y))
533 (half-thickness 0.05) ; should it be a property?
534 (width 0.5) ; should it be a property?
535 (angularity 1.5) ; makes angle brackets
536 (white-padding 0.1) ; should it be a property?
537 (lp (ly:stencil-aligned-to
538 (ly:stencil-aligned-to
539 (make-parenthesis-stencil y-extent
546 (interval-widen (ly:stencil-extent lp X) white-padding))
547 (rp (ly:stencil-aligned-to
548 (ly:stencil-aligned-to
549 (make-parenthesis-stencil y-extent
556 (interval-widen (ly:stencil-extent rp X) white-padding)))
557 (set! lp (ly:make-stencil (ly:stencil-expr lp)
559 (ly:stencil-extent lp Y)))
560 (set! rp (ly:make-stencil (ly:stencil-expr rp)
562 (ly:stencil-extent rp Y)))
563 (list (stencil-whiteout lp)
564 (stencil-whiteout rp))))
566 (define (parenthesize-elements grob . rest)
567 (let* ((refp (if (null? rest)
570 (elts (ly:grob-object grob 'elements))
571 (x-ext (ly:relative-group-extent elts refp X))
572 (stencils (ly:grob-property grob 'stencils))
575 (padding (ly:grob-property grob 'padding 0.1)))
578 (ly:stencil-translate-axis lp (- (car x-ext) padding) X)
579 (ly:stencil-translate-axis rp (+ (cdr x-ext) padding) X))))
582 (define (parentheses-item::print me)
583 (let* ((elts (ly:grob-object me 'elements))
584 (y-ref (ly:grob-common-refpoint-of-array me elts Y))
585 (x-ref (ly:grob-common-refpoint-of-array me elts X))
586 (stencil (parenthesize-elements me x-ref))
587 (elt-y-ext (ly:relative-group-extent elts y-ref Y))
588 (y-center (interval-center elt-y-ext)))
590 (ly:stencil-translate
593 (- (ly:grob-relative-coordinate me x-ref X))
594 (- y-center (ly:grob-relative-coordinate me y-ref Y))))))
598 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
601 (define-public (chain-grob-member-functions grob value . funcs)
604 (set! value (func grob value)))
610 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
613 (define-public (bend::print spanner)
615 (< (abs (- a b)) 0.01))
617 (let* ((delta-y (* 0.5 (ly:grob-property spanner 'delta-position)))
618 (left-span (ly:spanner-bound spanner LEFT))
619 (dots (if (and (grob::has-interface left-span 'note-head-interface)
620 (ly:grob? (ly:grob-object left-span 'dot)))
621 (ly:grob-object left-span 'dot) #f))
623 (right-span (ly:spanner-bound spanner RIGHT))
624 (thickness (* (ly:grob-property spanner 'thickness)
625 (ly:output-def-lookup (ly:grob-layout spanner)
627 (padding (ly:grob-property spanner 'padding 0.5))
628 (common (ly:grob-common-refpoint right-span
629 (ly:grob-common-refpoint spanner
632 (common-y (ly:grob-common-refpoint spanner left-span Y))
633 (minimum-length (ly:grob-property spanner 'minimum-length 0.5))
637 (interval-end (ly:grob-robust-relative-extent
642 (ly:grob-relative-coordinate dots common-y Y)
643 (ly:grob-relative-coordinate spanner common-y Y)))
645 (ly:grob-robust-relative-extent dots common X))
646 ;; TODO: use real infinity constant.
648 (right-x (max (- (interval-start
649 (ly:grob-robust-relative-extent right-span common X))
651 (+ left-x minimum-length)))
652 (self-x (ly:grob-relative-coordinate spanner common X))
653 (dx (- right-x left-x))
654 (exp (list 'path thickness
662 ,dx ,(* 0.66 delta-y)
667 (cons (- left-x self-x) (- right-x self-x))
668 (cons (min 0 delta-y)
672 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
675 (define-public (grace-spacing::calc-shortest-duration grob)
676 (let* ((cols (ly:grob-object grob 'columns))
679 (ly:moment-sub (ly:grob-property
680 (ly:grob-array-ref cols (1+ idx)) 'when)
682 (ly:grob-array-ref cols idx) 'when))))
684 (moment-min (lambda (x y)
687 (if (ly:moment<? x y)
693 (fold moment-min #f (map get-difference
694 (iota (1- (ly:grob-array-length cols)))))))
697 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
700 (define-public (fingering::calc-text grob)
701 (let* ((event (event-cause grob))
702 (digit (ly:event-property event 'digit)))
705 (ly:input-message (ly:event-property event 'origin)
706 "Warning: Fingering notation for finger number ~a"
709 (number->string digit 10)))
711 (define-public (string-number::calc-text grob)
712 (let ((digit (ly:event-property (event-cause grob) 'string-number)))
714 (number->string digit 10)))
716 (define-public (stroke-finger::calc-text grob)
717 (let* ((digit (ly:event-property (event-cause grob) 'digit))
718 (text (ly:event-property (event-cause grob) 'text)))
722 (vector-ref (ly:grob-property grob 'digit-names)
723 (1- (max (min 5 digit) 1))))))
726 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
729 (define-public (hairpin::calc-grow-direction grob)
730 (if (eq? (ly:event-property (event-cause grob) 'class) 'decrescendo-event)
734 (define-public (dynamic-text-spanner::before-line-breaking grob)
735 "Monitor left bound of @code{DynamicTextSpanner} for absolute dynamics.
736 If found, ensure @code{DynamicText} does not collide with spanner text by
737 changing @code{'attach-dir} and @code{'padding}. Reads the
738 @code{'right-padding} property of @code{DynamicText} to fine tune space
739 between the two text elements."
740 (let ((left-bound (ly:spanner-bound grob LEFT)))
741 (if (grob::has-interface left-bound 'dynamic-text-interface)
742 (let* ((details (ly:grob-property grob 'bound-details))
743 (left-details (ly:assoc-get 'left details))
744 (my-padding (ly:assoc-get 'padding left-details))
745 (script-padding (ly:grob-property left-bound 'right-padding 0)))
747 (and (number? my-padding)
748 (ly:grob-set-nested-property! grob
749 '(bound-details left attach-dir)
751 (ly:grob-set-nested-property! grob
752 '(bound-details left padding)
753 (+ my-padding script-padding)))))))
756 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
759 (define-public (lyric-text::print grob)
760 "Allow interpretation of tildes as lyric tieing marks."
762 (let ((text (ly:grob-property grob 'text)))
764 (grob-interpret-markup grob (if (string? text)
765 (make-tied-lyric-markup text)
768 (define-public ((grob::calc-property-by-copy prop) grob)
769 (ly:event-property (event-cause grob) prop))
772 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
775 (define-public (fret-board::calc-stencil grob)
776 (grob-interpret-markup
778 (make-fret-diagram-verbose-markup
779 (ly:grob-property grob 'dot-placement-list))))
782 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
785 (define-public (script-interface::calc-x-offset grob)
786 (ly:grob-property grob 'positioning-done)
787 (let* ((shift (ly:grob-property grob 'toward-stem-shift 0.0))
789 (ly:self-alignment-interface::centered-on-x-parent grob))
790 (note-head-grob (ly:grob-parent grob X))
791 (stem-grob (ly:grob-object note-head-grob 'stem)))
793 (+ note-head-location
794 ;; If the property 'toward-stem-shift is defined and the script
795 ;; has the same direction as the stem, move the script accordingly.
796 ;; Since scripts can also be over skips, we need to check whether
797 ;; the grob has a stem at all.
798 (if (ly:grob? stem-grob)
799 (let ((dir1 (ly:grob-property grob 'direction))
800 (dir2 (ly:grob-property stem-grob 'direction)))
801 (if (equal? dir1 dir2)
802 (let* ((common-refp (ly:grob-common-refpoint grob stem-grob X))
804 (ly:grob-relative-coordinate stem-grob common-refp X)))
805 (* shift (- stem-location note-head-location)))
810 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
813 (define-public (system-start-text::print grob)
814 (let* ((left-bound (ly:spanner-bound grob LEFT))
815 (left-mom (ly:grob-property left-bound 'when))
816 (name (if (moment<=? left-mom ZERO-MOMENT)
817 (ly:grob-property grob 'long-text)
818 (ly:grob-property grob 'text))))
820 (if (and (markup? name)
821 (!= (ly:item-break-dir left-bound) CENTER))
823 (grob-interpret-markup grob name)
824 (ly:grob-suicide! grob))))
826 (define-public (system-start-text::calc-x-offset grob)
827 (let* ((left-bound (ly:spanner-bound grob LEFT))
828 (left-mom (ly:grob-property left-bound 'when))
829 (layout (ly:grob-layout grob))
830 (indent (ly:output-def-lookup layout
831 (if (moment<=? left-mom ZERO-MOMENT)
835 (system (ly:grob-system grob))
836 (my-extent (ly:grob-extent grob system X))
837 (elements (ly:grob-object system 'elements))
838 (common (ly:grob-common-refpoint-of-array system elements X))
839 (total-ext empty-interval)
840 (align-x (ly:grob-property grob 'self-alignment-X 0))
841 (padding (min 0 (- (interval-length my-extent) indent)))
842 (right-padding (- padding
843 (/ (* padding (1+ align-x)) 2))))
845 ;; compensate for the variation in delimiter extents by
846 ;; calculating an X-offset correction based on united extents
847 ;; of all delimiters in this system
848 (let unite-delims ((l (ly:grob-array-length elements)))
850 (let ((elt (ly:grob-array-ref elements (1- l))))
852 (if (grob::has-interface elt 'system-start-delimiter-interface)
853 (let ((dims (ly:grob-extent elt common X)))
854 (if (interval-sane? dims)
855 (set! total-ext (interval-union total-ext dims)))))
856 (unite-delims (1- l)))))
859 (ly:side-position-interface::x-aligned-side grob)
861 (- (interval-length total-ext)))))
863 (define-public (system-start-text::calc-y-offset grob)
865 (define (live-elements-list me)
866 (let ((elements (ly:grob-object me 'elements)))
868 (filter! grob::is-live?
869 (ly:grob-array->list elements))))
871 (let* ((left-bound (ly:spanner-bound grob LEFT))
872 (live-elts (live-elements-list grob))
873 (system (ly:grob-system grob))
874 (extent empty-interval))
876 (if (and (pair? live-elts)
877 (interval-sane? (ly:grob-extent grob system Y)))
878 (let get-extent ((lst live-elts))
880 (let ((axis-group (car lst)))
882 (if (and (ly:spanner? axis-group)
883 (equal? (ly:spanner-bound axis-group LEFT)
885 (set! extent (add-point extent
886 (ly:grob-relative-coordinate
887 axis-group system Y))))
888 (get-extent (cdr lst)))))
889 ;; no live axis group(s) for this instrument name -> remove from system
890 (ly:grob-suicide! grob))
893 (ly:self-alignment-interface::y-aligned-on-self grob)
894 (interval-center extent))))
897 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
900 (define-public (ambitus::print grob)
901 (let ((heads (ly:grob-object grob 'note-heads)))
903 (if (and (ly:grob-array? heads)
904 (= (ly:grob-array-length heads) 2))
905 (let* ((common (ly:grob-common-refpoint-of-array grob heads Y))
906 (head-down (ly:grob-array-ref heads 0))
907 (head-up (ly:grob-array-ref heads 1))
908 (gap (ly:grob-property grob 'gap 0.35))
909 (point-min (+ (interval-end (ly:grob-extent head-down common Y))
911 (point-max (- (interval-start (ly:grob-extent head-up common Y))
914 (if (< point-min point-max)
915 (let* ((layout (ly:grob-layout grob))
916 (line-thick (ly:output-def-lookup layout 'line-thickness))
917 (blot (ly:output-def-lookup layout 'blot-diameter))
918 (grob-thick (ly:grob-property grob 'thickness 2))
919 (width (* line-thick grob-thick))
920 (x-ext (symmetric-interval (/ width 2)))
921 (y-ext (cons point-min point-max))
922 (line (ly:round-filled-box x-ext y-ext blot))
923 (y-coord (ly:grob-relative-coordinate grob common Y)))
925 (ly:stencil-translate-axis line (- y-coord) Y))
928 (ly:grob-suicide! grob)
931 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
932 ;; laissez-vibrer tie
934 ;; needed so we can make laissez-vibrer a pure print
936 (define-public (laissez-vibrer::print grob)
937 (ly:tie::print grob))