(define-public (grob::is-live? grob)
(pair? (ly:grob-basic-properties grob)))
-(define-public (grob::x-parent-width grob)
- (ly:grob-property (ly:grob-parent grob X) 'X-extent))
-
(define-public (make-stencil-boxer thickness padding callback)
"Return function that adds a box around the grob passed as argument."
(lambda (grob)
(ly:text-interface::interpret-markup layout props text)))
+(define-public (grob::unpure-Y-extent-from-stencil pure-function)
+ "The unpure height will come from a stencil whereas the pure
+ height will come from @code{pure-function}."
+ (ly:make-unpure-pure-container ly:grob::stencil-height pure-function))
+
+(define-public grob::unpure-horizontal-skylines-from-stencil
+ (ly:make-unpure-pure-container
+ ly:grob::horizontal-skylines-from-stencil
+ ly:grob::pure-simple-horizontal-skylines-from-extents))
+
+(define-public grob::always-horizontal-skylines-from-stencil
+ (ly:make-unpure-pure-container
+ ly:grob::horizontal-skylines-from-stencil))
+
+(define-public grob::unpure-vertical-skylines-from-stencil
+ (ly:make-unpure-pure-container
+ ly:grob::vertical-skylines-from-stencil
+ ly:grob::pure-simple-vertical-skylines-from-extents))
+
+(define-public grob::always-vertical-skylines-from-stencil
+ (ly:make-unpure-pure-container
+ ly:grob::vertical-skylines-from-stencil))
+
+(define-public grob::always-vertical-skylines-from-element-stencils
+ (ly:make-unpure-pure-container
+ ly:grob::vertical-skylines-from-element-stencils
+ ly:grob::pure-vertical-skylines-from-element-stencils))
+
+(define-public grob::always-horizontal-skylines-from-element-stencils
+ (ly:make-unpure-pure-container
+ ly:grob::horizontal-skylines-from-element-stencils
+ ly:grob::pure-horizontal-skylines-from-element-stencils))
+
+;; Using this as a callback for a grob's Y-extent promises
+;; that the grob's stencil does not depend on line-spacing.
+;; We use this promise to figure the space required by Clefs
+;; and such at the note-spacing stage.
+
+(define-public grob::always-Y-extent-from-stencil
+ (ly:make-unpure-pure-container ly:grob::stencil-height))
+
+(define-public (layout-line-thickness grob)
+ "Get the line thickness of the @var{grob}'s corresponding layout."
+ (let* ((layout (ly:grob-layout grob))
+ (line-thickness (ly:output-def-lookup layout 'line-thickness)))
+
+ line-thickness))
+
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; beam slope
+;; even though kievan noteheads do not have stems, their
+;; invisible stems help with beam placement
+;; this assures that invisible stems for kievan notes are aligned
+;; to the center of kievan noteheads. that is thus where the beams'
+;; x extrema will fall
+(define-public (stem::kievan-offset-callback grob)
+ (let* ((note-heads (ly:grob-object grob 'note-heads))
+ (note-heads-grobs (if (not (null? note-heads))
+ (ly:grob-array->list note-heads)
+ '()))
+ (first-note-head (if (not (null? note-heads-grobs))
+ (car note-heads-grobs)
+ '()))
+ (note-head-w (if (not (null? first-note-head))
+ (ly:grob-extent first-note-head first-note-head X)
+ '(0 . 0))))
+ (interval-center note-head-w)))
+
+
+;; sets position of beams for Kievan notation
+(define-public (beam::get-kievan-positions grob)
+ (let* ((stems (ly:grob-object grob 'stems))
+ (stems-grobs (if (not (null? stems))
+ (ly:grob-array->list stems)
+ '()))
+ (first-stem (if (not (null? stems-grobs))
+ (car stems-grobs)
+ '()))
+ (note-heads (if (not (null? first-stem))
+ (ly:grob-object first-stem 'note-heads)
+ '()))
+ (note-heads-grobs (if (not (null? note-heads))
+ (ly:grob-array->list note-heads)
+ '()))
+ (first-note-head (if (not (null? note-heads-grobs))
+ (car note-heads-grobs)
+ '()))
+ (next-stem (if (not (null? stems))
+ (cadr stems-grobs)
+ '()))
+ (next-note-heads (if (not (null? next-stem))
+ (ly:grob-object next-stem 'note-heads)
+ '()))
+ (next-note-heads-grobs (if (not (null? next-note-heads))
+ (ly:grob-array->list next-note-heads)
+ '()))
+ (next-note-head (if (not (null? next-note-heads-grobs))
+ (car next-note-heads-grobs)
+ '()))
+ (left-pos (ly:grob-property first-note-head 'Y-offset))
+ (right-pos (ly:grob-property next-note-head 'Y-offset))
+ (direction (ly:grob-property grob 'direction))
+ (first-nh-height (ly:grob::stencil-height first-note-head))
+ (next-nh-height (ly:grob::stencil-height next-note-head))
+ (left-height (if (= direction DOWN)
+ (+ (car first-nh-height) 0.75)
+ (- (cdr first-nh-height) 0.75)))
+ (right-height (if (= direction DOWN)
+ (+ (car next-nh-height) 0.75)
+ (- (cdr next-nh-height) 0.75))))
+ (cons (+ left-pos left-height) (+ right-pos right-height))))
+
+(define-public (beam::get-kievan-quantized-positions grob)
+ (let* ((pos (ly:grob-property grob 'positions))
+ (stems (ly:grob-object grob 'stems))
+ (stems-grobs (if (not (null? stems))
+ (ly:grob-array->list stems)
+ '())))
+ (for-each
+ (lambda (g)
+ (ly:grob-set-property! g 'stem-begin-position 0)
+ (ly:grob-set-property! g 'length 0))
+ stems-grobs)
+ pos))
+
;; calculates each slope of a broken beam individually
(define-public (beam::place-broken-parts-individually grob)
(ly:beam::quanting grob '(+inf.0 . -inf.0) #f))
(ly:side-position-interface::calc-cross-staff g)))
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; side-position stuff
+
+(define-public (only-if-beamed g)
+ (any (lambda (x) (ly:grob? (ly:grob-object x 'beam)))
+ (ly:grob-array->list (ly:grob-object g 'side-support-elements))))
+
+(define-public side-position-interface::y-aligned-side
+ (ly:make-unpure-pure-container
+ ly:side-position-interface::y-aligned-side
+ ly:side-position-interface::pure-y-aligned-side))
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; self-alignment stuff
+
+(define-public self-alignment-interface::y-aligned-on-self
+ (ly:make-unpure-pure-container
+ ly:self-alignment-interface::y-aligned-on-self
+ ly:self-alignment-interface::pure-y-aligned-on-self))
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; staff symbol
+
+(define staff-symbol-referencer::callback
+ (ly:make-unpure-pure-container ly:staff-symbol-referencer::callback))
+
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; note heads
(ly:duration-log
(ly:event-property (event-cause grob) 'duration)))
-(define-public (stem::length grob)
- (let* ((ss (ly:staff-symbol-staff-space grob))
- (beg (ly:grob-property grob 'stem-begin-position))
- (beam (ly:grob-object grob 'beam)))
- (if (null? beam)
- (abs (- (ly:stem::calc-stem-end-position grob) beg))
- (begin
- (ly:programming-error
- "stem::length called but will not be used for beamed stem.")
- 0.0))))
-
-(define-public (stem::pure-length grob beg end)
- (let* ((ss (ly:staff-symbol-staff-space grob))
- (beg (ly:grob-pure-property grob 'stem-begin-position 0 1000)))
- (abs (- (ly:stem::pure-calc-stem-end-position grob 0 2147483646) beg))))
-
(define (stem-stub::do-calculations grob)
(and (ly:grob-property (ly:grob-parent grob X) 'cross-staff)
(not (ly:grob-property (ly:grob-parent grob X) 'transparent))))
(if (stem-stub::do-calculations grob)
(let* ((dad (ly:grob-parent grob X))
(refp (ly:grob-common-refpoint grob dad Y))
- (stem_ph (ly:grob-pure-height dad refp 0 1000000))
- (my_ph (ly:grob-pure-height grob refp 0 1000000))
+ (stem_ph (ly:grob-pure-height dad refp 0 INFINITY-INT))
+ (my_ph (ly:grob-pure-height grob refp 0 INFINITY-INT))
;; only account for distance if stem is on different staff than stub
(dist (if (grob::has-interface refp 'hara-kiri-group-spanner-interface)
0
(if (interval-empty? (interval-intersection stem_ph my_ph)) #f (coord-translate stem_ph dist)))
#f))
+(define-public (note-head::calc-kievan-duration-log grob)
+ (min 3
+ (ly:duration-log
+ (ly:event-property (event-cause grob) 'duration))))
+
(define-public (note-head::calc-duration-log grob)
(min 2
(ly:duration-log
- (ly:event-property (event-cause grob) 'duration))))
+ (ly:event-property (event-cause grob) 'duration))))
(define-public (dots::calc-dot-count grob)
(ly:duration-dot-count
(string-append (number->string log) "petrucci")))
((neomensural)
(string-append (number->string log) (symbol->string style)))
+ ((kievan)
+ (string-append (number->string log) "kievan"))
(else
(if (string-match "vaticana*|hufnagel*|medicaea*" (symbol->string style))
(symbol->string style)
(symbol->string style))))))
(define-public (note-head::calc-glyph-name grob)
- (let ((style (ly:grob-property grob 'style))
- (log (min 2 (ly:grob-property grob 'duration-log))))
-
+ (let* ((style (ly:grob-property grob 'style))
+ (log (if (string-match "kievan*" (symbol->string style))
+ (min 3 (ly:grob-property grob 'duration-log))
+ (min 2 (ly:grob-property grob 'duration-log)))))
(select-head-glyph style log)))
(define-public (note-head::brew-ez-stencil grob)
(define-public (rhythmic-location<=? a b)
(not (rhythmic-location<? b a)))
(define-public (rhythmic-location>=? a b)
- (rhythmic-location<? a b))
+ (not (rhythmic-location<? a b)))
(define-public (rhythmic-location>? a b)
(rhythmic-location<? b a))
(define-public center-visible #(#f #t #f))
(define-public end-of-line-visible #(#t #f #f))
(define-public all-invisible #(#f #f #f))
-(define-public (inherit-x-parent-visibility grob)
- (let ((parent (ly:grob-parent grob X)))
- (ly:grob-property parent 'break-visibility all-invisible)))
-(define-public (inherit-y-parent-visibility grob)
- (let ((parent (ly:grob-parent grob X)))
- (ly:grob-property parent 'break-visibility)))
-
-
-(define-public spanbar-begin-of-line-invisible #(#t #f #f))
-
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-;; Bar lines.
+;; neighbor-interface routines
-;;
-;; How should a bar line behave at a break?
-(define bar-glyph-alist
- '((":|:" . (":|" . "|:"))
- (":|.|:" . (":|" . "|:"))
- (":|.:" . (":|" . "|:"))
- ("||:" . ("||" . "|:"))
- ("dashed" . ("dashed" . '()))
- ("|" . ("|" . ()))
- ("||:" . ("||" . "|:"))
- ("|s" . (() . "|"))
- ("|:" . ("|" . "|:"))
- ("|." . ("|." . ()))
-
- ;; hmm... should we end with a bar line here?
- (".|" . ("|" . ".|"))
- (":|" . (":|" . ()))
- ("||" . ("||" . ()))
- (".|." . (".|." . ()))
- ("|.|" . ("|.|" . ()))
- ("" . ("" . ""))
- (":" . (":" . ""))
- ("." . ("." . ()))
- ("'" . ("'" . ()))
- ("empty" . (() . ()))
- ("brace" . (() . "brace"))
- ("bracket" . (() . "bracket"))
-
- ;; segno bar lines
- ("S" . ("||" . "S"))
- ("|S" . ("|" . "S"))
- ("S|" . ("S" . ()))
- (":|S" . (":|" . "S"))
- (":|S." . (":|S" . ()))
- ("S|:" . ("S" . "|:"))
- (".S|:" . ("|" . "S|:"))
- (":|S|:" . (":|" . "S|:"))
- (":|S.|:" . (":|S" . "|:"))))
-
-(define-public (bar-line::calc-glyph-name grob)
- (let* ((glyph (ly:grob-property grob 'glyph))
- (dir (ly:item-break-dir grob))
- (result (assoc-get glyph bar-glyph-alist))
- (glyph-name (if (= dir CENTER)
- glyph
- (if (and result
- (string? (index-cell result dir)))
- (index-cell result dir)
- #f))))
- glyph-name))
-
-(define-public (bar-line::calc-break-visibility grob)
- (let* ((glyph (ly:grob-property grob 'glyph))
- (result (assoc-get glyph bar-glyph-alist)))
-
- (if result
- (vector (string? (car result)) #t (string? (cdr result)))
- all-invisible)))
(define-public (shift-right-at-line-begin g)
"Shift an item to the right, but only at the start of the line."
(cons -0.1 0.1)))
(define-public (pure-from-neighbor-interface::extra-spacing-height grob)
- (let* ((height (ly:grob::stencil-height grob))
+ (let* ((height (ly:grob-pure-height grob grob 0 INFINITY-INT))
(from-neighbors (interval-union
height
(ly:axis-group-interface::pure-height
grob
0
- 10000000))))
+ INFINITY-INT))))
(coord-operation - from-neighbors height)))
+;; If there are neighbors, we place the height at their midpoint
+;; to avoid protrusion of this pure height out of the vertical
+;; axis group on either side. This will minimize the impact of the
+;; grob on pure minimum translations.
+
+;; TODO - there is a double call to axis-group-interface::pure-height
+;; here and then in the extra-spacing-height function above. Can/should this
+;; be rolled into one?
+(define-public (pure-from-neighbor-interface::pure-height grob beg end)
+ (let* ((height (ly:axis-group-interface::pure-height
+ grob
+ 0
+ INFINITY-INT))
+ (c (interval-center height)))
+ (if (interval-empty? height) empty-interval (cons c c))))
+
+;; Minimizes the impact of the height on vertical spacing while allowing
+;; it to appear in horizontal skylines of paper columns if necessary.
+(define-public pure-from-neighbor-interface::height-if-pure
+ (ly:make-unpure-pure-container #f pure-from-neighbor-interface::pure-height))
+
(define-public (pure-from-neighbor-interface::account-for-span-bar grob)
(let* ((esh (pure-from-neighbor-interface::extra-spacing-height grob))
(hsb (ly:grob-property grob 'has-span-bar))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; key signature
-(define-public (key-signature-interface::alteration-position step alter
- c0-position)
- ;; TODO: memoize - this is mostly constant.
-
- ;; fes, ges, as and bes typeset in lower octave
- (define FLAT_TOP_PITCH 2)
-
- ;; ais and bis typeset in lower octave
- (define SHARP_TOP_PITCH 4)
-
- (if (pair? step)
- (+ (cdr step) (* (car step) 7) c0-position)
- (let* ((from-bottom-pos (modulo (+ 4 49 c0-position) 7))
- (p step)
- (c0 (- from-bottom-pos 4)))
-
- (if
- (or (and (< alter 0)
- (or (> p FLAT_TOP_PITCH) (> (+ p c0) 4)) (> (+ p c0) 1))
- (and (> alter 0)
- (or (> p SHARP_TOP_PITCH) (> (+ p c0) 5)) (> (+ p c0) 2)))
-
- ;; Typeset below c_position
- (set! p (- p 7)))
-
- ;; Provide for the four cases in which there's a glitch
- ;; it's a hack, but probably not worth
- ;; the effort of finding a nicer solution.
- ;; --dl.
- (cond
- ((and (= c0 2) (= p 3) (> alter 0))
- (set! p (- p 7)))
- ((and (= c0 -3) (= p -1) (> alter 0))
- (set! p (+ p 7)))
- ((and (= c0 -4) (= p -1) (< alter 0))
- (set! p (+ p 7)))
- ((and (= c0 -2) (= p -3) (< alter 0))
- (set! p (+ p 7))))
-
- (+ c0 p))))
-
+(define-public (key-signature-interface::alteration-positions
+ entry c0-position grob)
+ (let ((step (car entry))
+ (alter (cdr entry)))
+ (if (pair? step)
+ (list (+ (cdr step) (* (car step) 7) c0-position))
+ (let* ((c-position (modulo c0-position 7))
+ (positions
+ (if (< alter 0)
+ ;; See (flat|sharp)-positions in define-grob-properties.scm
+ (ly:grob-property grob 'flat-positions '(3))
+ (ly:grob-property grob 'sharp-positions '(3))))
+ (p (list-ref positions
+ (if (< c-position (length positions))
+ c-position 0)))
+ (max-position (if (pair? p) (cdr p) p))
+ (min-position (if (pair? p) (car p) (- max-position 6)))
+ (first-position (+ (modulo (- (+ c-position step)
+ min-position)
+ 7)
+ min-position)))
+ (define (prepend x l) (if (> x max-position)
+ l
+ (prepend (+ x 7) (cons x l))))
+ (prepend first-position '())))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; annotations
(define-public (accidental-interface::calc-alteration grob)
(ly:pitch-alteration (ly:event-property (event-cause grob) 'pitch)))
+(define-public (accidental-interface::glyph-name grob)
+ (assoc-get (ly:grob-property grob 'alteration)
+ standard-alteration-glyph-name-alist))
+
+(define-public accidental-interface::height
+ (ly:make-unpure-pure-container
+ ly:accidental-interface::height
+ ly:accidental-interface::pure-height))
+
(define-public cancellation-glyph-name-alist
'((0 . "accidentals.natural")))
(0 . "accidentals.vaticana0")
(1/2 . "accidentals.mensural1")))
+(define-public alteration-kievan-glyph-name-alist
+ '((-1/2 . "accidentals.kievanM1")
+ (1/2 . "accidentals.kievan1")))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; * Pitch Trill Heads
(- y-center (ly:grob-relative-coordinate me y-ref Y))))))
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; offset callbacks
+
+(define-public (pure-chain-offset-callback grob start end prev-offset)
+ "Sometimes, a chained offset callback is unpure and there is
+ no way to write a pure function that estimates its behavior.
+ In this case, we use a pure equivalent that will simply pass
+ the previous calculated offset value."
+ prev-offset)
+
+(define-public (outside-staff::pure-Y-offset grob start end)
+ "Initial vertical placement of items such as tempo and
+ rehearsal marks, for use in note-spacing."
+ (* (+ (ly:staff-symbol-staff-radius grob)
+ (ly:grob-property grob 'outside-staff-padding 0.0)
+ 1.0)
+ (ly:grob-property grob 'direction CENTER)))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;
(ly:grob-relative-coordinate spanner common-y Y)))
(interval-end
(ly:grob-robust-relative-extent dots common X))
- ;; TODO: use real infinity constant.
- -10000))))
+ (- INFINITY-INT)))))
(right-x (max (- (interval-start
(ly:grob-robust-relative-extent right-span common X))
padding)
;; fingering
(define-public (fingering::calc-text grob)
- (let* ((event (event-cause grob))
- (digit (ly:event-property event 'digit)))
-
- (number->string digit 10)))
+ (let ((event (event-cause grob)))
+ (or (ly:event-property event 'text #f)
+ (number->string (ly:event-property event 'digit) 10))))
(define-public (string-number::calc-text grob)
- (let ((digit (ly:event-property (event-cause grob) 'string-number)))
-
- (number->string digit 10)))
+ (let ((event (event-cause grob)))
+ (or (ly:event-property event 'text #f)
+ (number->string (ly:event-property event 'string-number) 10))))
(define-public (stroke-finger::calc-text grob)
- (let* ((digit (ly:event-property (event-cause grob) 'digit))
- (text (ly:event-property (event-cause grob) 'text)))
-
- (if (string? text)
- text
+ (let ((event (event-cause grob)))
+ (or (ly:event-property event 'text #f)
(vector-ref (ly:grob-property grob 'digit-names)
- (1- (max (min 5 digit) 1))))))
+ (1- (max 1
+ (min 5 (ly:event-property event 'digit))))))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; dynamics
(define-public (hairpin::calc-grow-direction grob)
- (if (eq? (ly:event-property (event-cause grob) 'class) 'decrescendo-event)
+ (if (ly:in-event-class? (event-cause grob) 'decrescendo-event)
START
STOP))
'(bound-details left padding)
(+ my-padding script-padding)))))))
+(define-public ((elbowed-hairpin coords mirrored?) grob)
+ "Create hairpin based on a list of @var{coords} in @code{(cons x y)}
+form. @code{x} is the portion of the width consumed for a given line
+and @code{y} is the portion of the height. For example,
+@code{'((0.3 . 0.7) (0.8 . 0.9) (1.0 . 1.0))} means that at the point
+where the hairpin has consumed 30% of its width, it must
+be at 70% of its height. Once it is to 80% width, it
+must be at 90% height. It finishes at
+100% width and 100% height. @var{mirrored?} indicates if the hairpin
+is mirrored over the Y-axis or if just the upper part is drawn.
+Returns a function that accepts a hairpin grob as an argument
+and draws the stencil based on its coordinates.
+@lilypond[verbatim,quote]
+#(define simple-hairpin
+ (elbowed-hairpin '((1.0 . 1.0)) #t))
+
+\\relative c' {
+ \\override Hairpin #'stencil = #simple-hairpin
+ a\\p\\< a a a\\f
+}
+@end lilypond
+"
+ (define (pair-to-list pair)
+ (list (car pair) (cdr pair)))
+ (define (normalize-coords goods x y)
+ (map
+ (lambda (coord)
+ (cons (* x (car coord)) (* y (cdr coord))))
+ goods))
+ (define (my-c-p-s points thick decresc?)
+ (make-connected-path-stencil
+ points
+ thick
+ (if decresc? -1.0 1.0)
+ 1.0
+ #f
+ #f))
+ ; outer let to trigger suicide
+ (let ((sten (ly:hairpin::print grob)))
+ (if (grob::is-live? grob)
+ (let* ((decresc? (eq? (ly:grob-property grob 'grow-direction) LEFT))
+ (thick (ly:grob-property grob 'thickness 0.1))
+ (thick (* thick (layout-line-thickness grob)))
+ (xex (ly:stencil-extent sten X))
+ (lenx (interval-length xex))
+ (yex (ly:stencil-extent sten Y))
+ (leny (interval-length yex))
+ (xtrans (+ (car xex) (if decresc? lenx 0)))
+ (ytrans (car yex))
+ (uplist (map pair-to-list
+ (normalize-coords coords lenx (/ leny 2))))
+ (downlist (map pair-to-list
+ (normalize-coords coords lenx (/ leny -2)))))
+ (ly:stencil-translate
+ (ly:stencil-add
+ (my-c-p-s uplist thick decresc?)
+ (if mirrored? (my-c-p-s downlist thick decresc?) empty-stencil))
+ (cons xtrans ytrans)))
+ '())))
+
+(define-public flared-hairpin
+ (elbowed-hairpin '((0.95 . 0.4) (1.0 . 1.0)) #t))
+
+(define-public constante-hairpin
+ (elbowed-hairpin '((1.0 . 0.0) (1.0 . 1.0)) #f))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; lyrics
(define-public ((grob::calc-property-by-copy prop) grob)
(ly:event-property (event-cause grob) prop))
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; general inheritance
+
+(define-public ((grob::inherit-parent-property axis property . default) grob)
+ "@var{grob} callback generator for inheriting a @var{property} from
+an @var{axis} parent, defaulting to @var{default} if there is no
+parent or the parent has no setting."
+ (let ((parent (ly:grob-parent grob axis)))
+ (cond
+ ((ly:grob? parent)
+ (apply ly:grob-property parent property default))
+ ((pair? default) (car default))
+ (else '()))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; fret boards
(ly:grob-property grob 'dot-placement-list))))
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; slurs
+
+(define-public slur::height
+ (ly:make-unpure-pure-container
+ ly:slur::height
+ ly:slur::pure-height))
+
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; scripts
(interval-center extent))))
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; axis group interface
+
+(define-public axis-group-interface::height
+ (ly:make-unpure-pure-container
+ ly:axis-group-interface::height
+ ly:axis-group-interface::pure-height))
+
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; ambitus
(define-public (laissez-vibrer::print grob)
(ly:tie::print grob))
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; volta-bracket
+
+(define-public (volta-bracket-interface::pure-height grob start end)
+ (let ((edge-height (ly:grob-property grob 'edge-height)))
+ (if (number-pair? edge-height)
+ (let ((smaller (min (car edge-height) (cdr edge-height)))
+ (larger (max (car edge-height) (cdr edge-height))))
+ (interval-union '(0 . 0) (cons smaller larger)))
+ '(0 . 0))))