;;;;
;;;; source file of the GNU LilyPond music typesetter
;;;;
-;;;; (c) 1998--2003 Jan Nieuwenhuizen <janneke@gnu.org>
-;;;; Han-Wen Nienhuys <hanwen@cs.uu.nl>
-
-; Tablature functions, by Jiba (jiba@tuxfamily.org)
-
-; The TabNoteHead stem attachment function.
-(define (tablature-stem-attachment-function style duration)
- (cons 0.0 0.5))
-
-; The TabNoteHead molecule callback.
-; Create a text molecule
-(define-public (tablature-molecule-callback grob)
- (let ((molecule (fontify-text
- (ly:get-default-font grob)
- (ly:get-grob-property grob 'text)
- )))
- molecule ; return the molecule.
- ))
-
-; The TabNoteHead tablatureFormat callback.
-; Compute the text grob-property
-(define-public (fret-number-tablature-format string tuning pitch)
- (number->string
- (- (ly:pitch-semitones pitch)
- (list-ref tuning
- (- string 1) ; remove 1 because list index starts at 0 and guitar string at 1.
- )
- ) ) )
-
-(define-public (hammer-molecule-callback grob)
- (let* ((note-collums (ly:get-grob-property grob 'note-columns))
- (note-column1 (cadr note-collums))
- (note-column2 (car note-collums))
- (note1 (car (ly:get-grob-property note-column1 'note-heads)))
- (note2 (car (ly:get-grob-property note-column2 'note-heads)))
- (fret1 (string->number (ly:get-grob-property note1 'text)))
- (fret2 (string->number (ly:get-grob-property note2 'text)))
- (letter (if (< fret1 fret2) "H"
- (if (> fret1 fret2) "P"
- "")))
- )
- (let ((slur (Slur::brew_molecule grob))
- (text (fontify-text (ly:get-default-font grob) letter)))
-
- (let ((x (/ (- (cdr (ly:molecule-get-extent slur 0))
- (/ (cdr (ly:molecule-get-extent text 0)) 2.0)
- )
- -2.0)))
-
- (ly:molecule-set-extent! text 0 (cons x x))
- (ly:molecule-align-to! text 0 1)
- )
-
- (ly:molecule-combine-at-edge slur 1 1 text -0.6)
- ) ) )
+;;;; (c) 1998--2008 Jan Nieuwenhuizen <janneke@gnu.org>
+;;;; Han-Wen Nienhuys <hanwen@xs4all.nl>
-(define-public guitar-tunings '(4 -1 -5 -10 -15 -20))
-; end of tablature functions
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; general
+(define-public (grob::has-interface grob iface)
+ (memq iface (ly:grob-interfaces grob)))
+(define-public (make-stencil-boxer thickness padding callback)
-(define-public (make-molecule-boxer line-thick x-padding y-padding callback)
- "Makes a routine that adds a box around the grob parsed as argument"
- (define (molecule-boxer grob)
- (let*
- (
- (mol (callback grob))
- (x-ext (interval-widen (ly:molecule-get-extent mol 0) x-padding))
- (y-ext (interval-widen (ly:molecule-get-extent mol 1) y-padding))
- (x-rule (make-filled-box-molecule (interval-widen x-ext line-thick)
- (cons 0 line-thick)))
- (y-rule (make-filled-box-molecule (cons 0 line-thick) y-ext))
- )
-
- (set! mol (ly:molecule-combine-at-edge mol 0 1 y-rule x-padding))
- (set! mol (ly:molecule-combine-at-edge mol 0 -1 y-rule x-padding))
- (set! mol (ly:molecule-combine-at-edge mol 1 1 x-rule 0))
- (set! mol (ly:molecule-combine-at-edge mol 1 -1 x-rule 0))
+ "Return function that adds a box around the grob passed as argument."
+ (lambda (grob)
- mol
- ))
- molecule-boxer
- )
-
-(define-public (arg->string arg)
- (cond ((number? arg) (inexact->string arg 10))
- ((string? arg) (string-append "\"" arg "\""))
- ((symbol? arg) (string-append "\"" (symbol->string arg) "\""))))
-
-(define-public (func name . args)
- (string-append
- "(" name
- (if (null? args)
- ""
- (apply string-append
- (map (lambda (x) (string-append " " (arg->string x))) args)))
- ")\n"))
+ (box-stencil (callback grob) thickness padding)))
-;;(define (mm-to-pt x)
-;; (* (/ 72.27 25.40) x))
+(define-public (make-stencil-circler thickness padding callback)
+ "Return function that adds a circle around the grob passed as argument."
+
+ (lambda (grob) (circle-stencil (callback grob) thickness padding)))
-;; do nothing in .scm output
-(define-public (comment s) "")
+(define-public (print-circled-text-callback grob)
+ (grob-interpret-markup grob (make-circle-markup
+ (ly:grob-property grob 'text))
+ ))
-(define-public (numbers->string l)
- (apply string-append (map ly:number->string l)))
-
-; (define (chop-decimal x) (if (< (abs x) 0.001) 0.0 x))
-
-(define (number->octal-string x)
- (let* ((n (inexact->exact x))
- (n64 (quotient n 64))
- (n8 (quotient (- n (* n64 64)) 8)))
- (string-append
- (number->string n64)
- (number->string n8)
- (number->string (remainder (- n (+ (* n64 64) (* n8 8))) 8)))))
+(define-public (event-cause grob)
+ (let*
+ ((cause (ly:grob-property grob 'cause)))
+
+ (cond
+ ((ly:stream-event? cause) cause)
+ ((ly:grob? cause) (event-cause cause))
+ (else #f))))
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; tablature
+
+;; The TabNoteHead tablatureFormat callback.
+;; Compute the text grob-property
+(define-public (fret-number-tablature-format string
+ context event)
+ (let*
+ ((tuning (ly:context-property context 'stringTunings))
+ (pitch (ly:event-property event 'pitch))
+ (is-harmonic (apply
+ functional-or
+ (map
+ (lambda (ev)
+ (eq? 'harmonic-event (ly:event-property ev 'class)))
+ (ly:event-property event 'articulations)))))
-(define-public (inexact->string x radix)
- (let ((n (inexact->exact x)))
- (number->string n radix)))
+
+ (make-whiteout-markup
+ (make-vcenter-markup
+ (format
+ "~a"
+ (- (ly:pitch-semitones pitch)
+ (list-ref tuning
+ ;; remove 1 because list index starts at 0 and guitar string at 1.
+ (- string 1))))))
+ ))
+;; The 5-string banjo has got a extra string, the fifth (duh), wich
+;; starts at the fifth fret on the neck. Frets on the fifth string
+;; are referred to relative to the other frets:
+;; the "first fret" on the fifth string is really the sixth fret
+;; on the banjo neck.
+;; We solve this by defining a new fret-number-tablature function:
+(define-public (fret-number-tablature-format-banjo string
+ context event)
+ (let*
+ ((tuning (ly:context-property context 'stringTunings))
+ (pitch (ly:event-property event 'pitch))
+ )
+ (make-whiteout-markup
+ (make-vcenter-markup
+ (let ((fret (- (ly:pitch-semitones pitch) (list-ref tuning (- string 1)))))
+ (number->string (cond
+ ((and (> fret 0) (= string 5))
+ (+ fret 5))
+ (else fret))))))
+ ))
+
+
+; default tunings for common string instruments
+(define-public guitar-tuning '(4 -1 -5 -10 -15 -20))
+(define-public guitar-open-g-tuning '(2 -1 -5 -10 -17 -22))
+(define-public bass-tuning '(-17 -22 -27 -32))
+(define-public mandolin-tuning '(16 9 2 -5))
+
+;; tunings for 5-string banjo
+(define-public banjo-open-g-tuning '(2 -1 -5 -10 7))
+(define-public banjo-c-tuning '(2 -1 -5 -12 7))
+(define-public banjo-modal-tuning '(2 0 -5 -10 7))
+(define-public banjo-open-d-tuning '(2 -3 -6 -10 9))
+(define-public banjo-open-dm-tuning '(2 -3 -6 -10 9))
+;; convert 5-string banjo tuning to 4-string by removing the 5th string
+(define-public (four-string-banjo tuning)
+ (reverse (cdr (reverse tuning))))
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; note heads
+
+
+(define-public (stem::calc-duration-log grob)
+ (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))))
+
+(define-public (dots::calc-dot-count grob)
+ (ly:duration-dot-count
+ (ly:event-property (event-cause grob) 'duration)))
+
+(define-public (dots::calc-staff-position grob)
+ (let*
+ ((head (ly:grob-parent grob Y))
+ (log (ly:grob-property head 'duration-log)))
-(define-public (number-pair->string c)
- (string-append (ly:number->string (car c)) " "
- (ly:number->string (cdr c)) " "))
+ (cond
+ ((or (not (grob::has-interface head 'rest-interface))
+ (not (integer? log))) 0)
+ ((= log 7) 4)
+ ((> log 4) 3)
+ ((= log 0) -1)
+ ((= log 1) 1)
+ ((= log -1) 1)
+ (else 0))))
-(define (font i)
- (string-append
- "font"
- (make-string 1 (integer->char (+ (char->integer #\A) i)))))
+(define (note-head::calc-tablature-stem-attachment grob)
+ (cons 0.0 1.35))
-(define (scm-scm action-name)
- 1)
;; silly, use alist?
-(define-public (find-notehead-symbol duration style)
- (case style
- ((xcircle) "2xcircle")
- ((harmonic) "0neo_mensural")
- ((baroque)
- ;; Oops, I actually would not call this "baroque", but, for
- ;; backwards compatibility to 1.4, this is supposed to take
- ;; brevis, longa and maxima from the neo-mensural font and all
- ;; other note heads from the default font. -- jr
- (if (< duration 0)
- (string-append (number->string duration) "neo_mensural")
- (number->string duration)))
- ((mensural)
- (string-append (number->string duration) (symbol->string style)))
- ((neo_mensural)
- (string-append (number->string duration) (symbol->string style)))
- ((default)
- ;; The default font in mf/feta-bolletjes.mf defines a brevis, but
- ;; neither a longa nor a maxima. Hence let us, for the moment,
- ;; take these from the neo-mensural font. TODO: mf/feta-bolletjes
- ;; should define at least a longa for the default font. The longa
- ;; should look exactly like the brevis of the default font, but
- ;; with a stem exactly like that of the quarter note. -- jr
- (if (< duration -1)
- (string-append (number->string duration) "neo_mensural")
- (number->string duration)))
- (else
- (if (string-match "vaticana*|hufnagel*|medicaea*" (symbol->string style))
- (symbol->string style)
- (string-append (number->string (max 0 duration))
- (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))))
+
+ (case style
+ ;; "default" style is directly handled in note-head.cc as a
+ ;; special case (HW says, mainly for performance reasons).
+ ;; Therefore, style "default" does not appear in this case
+ ;; statement. -- jr
+ ((xcircle) "2xcircle")
+ ((harmonic) "0harmonic")
+ ((harmonic-black) "2harmonic")
+ ((harmonic-mixed) (if (<= log 1) "0harmonic"
+ "2harmonic"))
+ ((baroque)
+ ;; Oops, I actually would not call this "baroque", but, for
+ ;; backwards compatibility to 1.4, this is supposed to take
+ ;; brevis, longa and maxima from the neo-mensural font and all
+ ;; other note heads from the default font. -- jr
+ (if (< log 0)
+ (string-append (number->string log) "neomensural")
+ (number->string log)))
+ ((mensural)
+ (string-append (number->string log) (symbol->string style)))
+ ((petrucci)
+ (if (< log 0)
+ (string-append (number->string log) "mensural")
+ (string-append (number->string log) (symbol->string style))))
+ ((neomensural)
+ (string-append (number->string log) (symbol->string style)))
+ (else
+ (if (string-match "vaticana*|hufnagel*|medicaea*" (symbol->string style))
+ (symbol->string style)
+ (string-append (number->string (max 0 log))
+ (symbol->string style)))))))
;; TODO junk completely?
(define (note-head-style->attachment-coordinates grob axis)
bounding box, where to attach the stem. e.g.: X==0 means horizontally
centered, X==1 is at the right, X == -1 is at the left."
- '(1.0 . 0.0))
-
+ '(1.0 . 0.0))
-(define-public (string-encode-integer i)
- (cond
- ((= i 0) "o")
- ((< i 0) (string-append "n" (string-encode-integer (- i))))
- (else (string-append
- (make-string 1 (integer->char (+ 65 (modulo i 26))))
- (string-encode-integer (quotient i 26))))))
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; bar numbers
(define-public ((every-nth-bar-number-visible n) barnum) (= 0 (modulo barnum n)))
(define-public ((modulo-bar-number-visible n m) barnum) (and (> barnum 1) (= m (modulo barnum n))))
(define-public ((set-bar-number-visibility n) tr)
- (let* ((bn (ly:get-context-property tr 'currentBarNumber)))
- (ly:set-context-property! tr 'barNumberVisibility (modulo-bar-number-visible n (modulo bn n)))))
+ (let* ((bn (ly:context-property tr 'currentBarNumber)))
+ (ly:context-set-property! tr 'barNumberVisibility (modulo-bar-number-visible n (modulo bn n)))))
-(define-public (default-bar-number-visibility barnum) (> barnum 1))
+(define-public (first-bar-number-invisible barnum) (> barnum 1))
-;; See documentation of Item::visibility_lambda_
-(define-public (begin-of-line-visible d) (if (= d 1) '(#f . #f) '(#t . #t)))
-(define-public (end-of-line-visible d) (if (= d -1) '(#f . #f) '(#t . #t)))
-(define-public (spanbar-begin-of-line-invisible d) (if (= d -1) '(#t . #t) '(#f . #f)))
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; percent repeat counters
-(define-public (all-visible d) '(#f . #f))
-(define-public (all-invisible d) '(#t . #t))
-(define-public (begin-of-line-invisible d) (if (= d 1) '(#t . #t) '(#f . #f)))
-(define-public (end-of-line-invisible d) (if (= d -1) '(#t . #t) '(#f . #f)))
+(define-public ((every-nth-repeat-count-visible n) count context) (= 0 (modulo count n)))
+(define-public (all-repeat-counts-visible count context) #t)
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; break visibility
+
+(define-public all-visible #(#t #t #t))
+(define-public begin-of-line-invisible #(#t #t #f))
+(define-public center-invisible #(#t #f #t))
+(define-public end-of-line-invisible #(#f #t #t))
+(define-public begin-of-line-visible #(#f #f #t))
+(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 spanbar-begin-of-line-invisible
+ #(#t #f #f))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Bar lines.
-;
-; How should a bar line behave at a break?
-;
-;; Why prepend `default-' to every scm identifier?
-(define-public (default-break-barline glyph dir)
- (let ((result (assoc glyph
- '((":|:" . (":|" . "|:"))
- ("||:" . ("||" . "|:"))
- ("|" . ("|" . ()))
- ("||:" . ("||" . "|:"))
- ("|s" . (() . "|"))
- ("|:" . ("|" . "|:"))
- ("|." . ("|." . ()))
-
- ;; hmm... should we end with a barline here?
- (".|" . ("|" . ".|"))
- (":|" . (":|" . ()))
- ("||" . ("||" . ()))
- (".|." . (".|." . ()))
- ("" . ("" . ""))
- ("empty" . (() . ()))
- ("brace" . (() . "brace"))
- ("bracket" . (() . "bracket"))
- )
+;;
+;; 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"))
+ ))
+
+(define-public (bar-line::calc-glyph-name grob)
+ (let* (
+ (glyph (ly:grob-property grob 'glyph))
+ (dir (ly:item-break-dir grob))
+ (result (assoc glyph bar-glyph-alist))
+ (glyph-name (if (= dir CENTER)
+ glyph
+ (if (and result (string? (index-cell (cdr result) dir)))
+ (index-cell (cdr result) dir)
+ #f)))
+ )
+ glyph-name))
+
+(define-public (bar-line::calc-break-visibility grob)
+ (let* ((glyph (ly:grob-property grob 'glyph))
+ (result (assoc glyph bar-glyph-alist)))
+ (if result
+ (vector (string? (cadr result)) #t (string? (cddr result)))
+ #(#f #f #f))))
+
+
+(define-public (shift-right-at-line-begin g)
+ "Shift an item to the right, but only at the start of the line."
+ (if (and (ly:item? g)
+ (equal? (ly:item-break-dir g) RIGHT))
+ (ly:grob-translate-axis! g 3.5 X)))
+
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; Tuplets
+
+(define-public (tuplet-number::calc-denominator-text grob)
+ (number->string (ly:event-property (event-cause grob) 'denominator)))
+
+(define-public (tuplet-number::calc-fraction-text grob)
+ (let*
+ ((ev (event-cause grob)))
+
+ (format "~a:~a"
+ (ly:event-property ev 'denominator)
+ (ly:event-property ev 'numerator))))
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; Color
+
+(define-public color? list?)
+(define-public (rgb-color r g b) (list r g b))
+
+; predefined colors
+(define-public black '(0.0 0.0 0.0))
+(define-public white '(1.0 1.0 1.0))
+(define-public red '(1.0 0.0 0.0))
+(define-public green '(0.0 1.0 0.0))
+(define-public blue '(0.0 0.0 1.0))
+(define-public cyan '(0.0 1.0 1.0))
+(define-public magenta '(1.0 0.0 1.0))
+(define-public yellow '(1.0 1.0 0.0))
+
+(define-public grey '(0.5 0.5 0.5))
+(define-public darkred '(0.5 0.0 0.0))
+(define-public darkgreen '(0.0 0.5 0.0))
+(define-public darkblue '(0.0 0.0 0.5))
+(define-public darkcyan '(0.0 0.5 0.5))
+(define-public darkmagenta '(0.5 0.0 0.5))
+(define-public darkyellow '(0.5 0.5 0.0))
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; 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))))
+
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; accidentals
+
+(define-public (accidental-interface::calc-alteration grob)
+ (ly:pitch-alteration (ly:event-property (event-cause grob) 'pitch)))
+
+
+(define-public cancellation-glyph-name-alist
+ '((0 . "accidentals.natural")))
+
+(define-public standard-alteration-glyph-name-alist
+ '(
+ ;; ordered for optimal performance.
+ (0 . "accidentals.natural")
+ (-1/2 . "accidentals.flat")
+ (1/2 . "accidentals.sharp")
+
+ (1 . "accidentals.doublesharp")
+ (-1 . "accidentals.flatflat")
+
+ (3/4 . "accidentals.sharp.slashslash.stemstemstem")
+ (1/4 . "accidentals.sharp.slashslash.stem")
+ (-1/4 . "accidentals.mirroredflat")
+ (-3/4 . "accidentals.mirroredflat.flat")
+ ))
+
+;; FIXME: standard vs default, alteration-FOO vs FOO-alteration
+(define-public alteration-default-glyph-name-alist standard-alteration-glyph-name-alist)
+
+(define-public makam-alteration-glyph-name-alist
+ '((1 . "accidentals.doublesharp")
+ (8/9 . "accidentals.sharp.slashslashslash.stemstem")
+ (5/9 . "accidentals.sharp.slashslashslash.stem")
+ (4/9 . "accidentals.sharp")
+ (1/9 . "accidentals.sharp.slashslash.stem")
+ (0 . "accidentals.natural")
+ (-1/9 . "accidentals.mirroredflat")
+ (-4/9 . "accidentals.flat.slash")
+ (-5/9 . "accidentals.flat")
+ (-8/9 . "accidentals.flat.slashslash")
+ (-1 . "accidentals.flatflat")
+ ))
+
+(define-public alteration-hufnagel-glyph-name-alist
+ '((-1/2 . "accidentals.hufnagelM1")
+ (0 . "accidentals.vaticana0")
+ (1/2 . "accidentals.mensural1")))
+
+(define-public alteration-medicaea-glyph-name-alist
+ '((-1/2 . "accidentals.medicaeaM1")
+ (0 . "accidentals.vaticana0")
+ (1/2 . "accidentals.mensural1")))
+
+(define-public alteration-vaticana-glyph-name-alist
+ '((-1/2 . "accidentals.vaticanaM1")
+ (0 . "accidentals.vaticana0")
+ (1/2 . "accidentals.mensural1")))
+
+(define-public alteration-mensural-glyph-name-alist
+ '((-1/2 . "accidentals.mensuralM1")
+ (0 . "accidentals.vaticana0")
+ (1/2 . "accidentals.mensural1")))
+
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; * Pitch Trill Heads
+;; * Parentheses
+
+(define-public (parentheses-item::calc-parenthesis-stencils grob)
+ (let* ((font (ly:grob-default-font grob))
+ (lp (ly:font-get-glyph font "accidentals.leftparen"))
+ (rp (ly:font-get-glyph font "accidentals.rightparen")))
+
+ (list lp rp)))
+
+
+(define-public (grob-interpret-markup grob text)
+ (let*
+ ((layout (ly:grob-layout grob))
+ (defs (ly:output-def-lookup layout 'text-font-defaults))
+ (props (ly:grob-alist-chain grob defs)))
+
+ (ly:text-interface::interpret-markup
+ layout props text)))
+
+(define-public (parentheses-item::calc-angled-bracket-stencils grob)
+ (let* (
+ (font (ly:grob-default-font grob))
+ (lp (ly:stencil-aligned-to (ly:stencil-aligned-to (grob-interpret-markup grob (ly:wide-char->utf-8 #x2329))
+ Y CENTER) X RIGHT))
+ (rp (ly:stencil-aligned-to (ly:stencil-aligned-to (grob-interpret-markup grob (ly:wide-char->utf-8 #x232A))
+ Y CENTER) X LEFT))
+ )
+
+ (list (stencil-whiteout lp)
+ (stencil-whiteout rp))))
+
+(define (parenthesize-elements grob . rest)
+ (let*
+ ((refp (if (null? rest)
+ grob
+ (car rest)))
+ (elts (ly:grob-object grob 'elements))
+ (x-ext (ly:relative-group-extent elts refp X))
+ (stencils (ly:grob-property grob 'stencils))
+ (lp (car stencils))
+ (rp (cadr stencils))
+ (padding (ly:grob-property grob 'padding 0.1)))
+
+ (ly:stencil-add
+ (ly:stencil-translate-axis lp (- (car x-ext) padding) X)
+ (ly:stencil-translate-axis rp (+ (cdr x-ext) padding) X))
+ ))
+
+
+(define (parentheses-item::print me)
+ (let*
+ ((elts (ly:grob-object me 'elements))
+ (y-ref (ly:grob-common-refpoint-of-array me elts Y))
+ (x-ref (ly:grob-common-refpoint-of-array me elts X))
+ (stencil (parenthesize-elements me x-ref))
+ (elt-y-ext (ly:relative-group-extent elts y-ref Y))
+ (y-center (interval-center elt-y-ext)))
+
+ (ly:stencil-translate
+ stencil
+ (cons
+ (-
+ (ly:grob-relative-coordinate me x-ref X))
+ (-
+ y-center
+ (ly:grob-relative-coordinate me y-ref Y))))
+ ))
+
+
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;;
+
+(define-public (chain-grob-member-functions grob value . funcs)
+ (for-each
+ (lambda (func)
+ (set! value (func grob value)))
+ funcs)
+
+ value)
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; falls/doits
+
+(define-public (bend::print spanner)
+ (define (close a b)
+ (< (abs (- a b)) 0.01))
+
+ (let*
+ ((delta-y (* 0.5 (ly:grob-property spanner 'delta-position)))
+ (left-span (ly:spanner-bound spanner LEFT))
+ (dots (if (and (grob::has-interface left-span 'note-head-interface)
+ (ly:grob? (ly:grob-object left-span 'dot)))
+ (ly:grob-object left-span 'dot) #f))
+
+ (right-span (ly:spanner-bound spanner RIGHT))
+ (thickness (* (ly:grob-property spanner 'thickness)
+ (ly:output-def-lookup (ly:grob-layout spanner)
+ 'line-thickness)))
+ (padding (ly:grob-property spanner 'padding 0.5))
+ (common (ly:grob-common-refpoint right-span
+ (ly:grob-common-refpoint spanner
+ left-span X)
+ X))
+ (common-y (ly:grob-common-refpoint spanner left-span Y))
+ (left-x (+ padding
+ (max (interval-end (ly:grob-robust-relative-extent
+ left-span common X))
+ (if (and
+ dots
+ (close (ly:grob-relative-coordinate dots common-y Y)
+ (ly:grob-relative-coordinate spanner common-y Y)))
+ (interval-end (ly:grob-robust-relative-extent dots common X))
+ -10000) ;; TODO: use real infinity constant.
)))
+ (right-x (- (interval-start
+ (ly:grob-robust-relative-extent right-span common X))
+ padding))
+ (self-x (ly:grob-relative-coordinate spanner common X))
+ (dx (- right-x left-x))
+ (exp (list 'path thickness
+ `(quote
+ (rmoveto
+ ,(- left-x self-x) 0
+
+ rcurveto
+ ,(/ dx 3)
+ 0
+ ,dx ,(* 0.66 delta-y)
+ ,dx ,delta-y
+ )))))
+
+ (ly:make-stencil
+ exp
+ (cons (- left-x self-x) (- right-x self-x))
+ (cons (min 0 delta-y)
+ (max 0 delta-y)))))
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; grace spacing
+
+
+(define-public (grace-spacing::calc-shortest-duration grob)
+ (let*
+ ((cols (ly:grob-object grob 'columns))
+ (get-difference
+ (lambda (idx)
+ (ly:moment-sub (ly:grob-property
+ (ly:grob-array-ref cols (1+ idx)) 'when)
+ (ly:grob-property
+ (ly:grob-array-ref cols idx) 'when))))
+
+ (moment-min (lambda (x y)
+ (cond
+ ((and x y)
+ (if (ly:moment<? x y)
+ x
+ y))
+ (x x)
+ (y y)))))
+
+ (fold moment-min #f (map get-difference
+ (iota (1- (ly:grob-array-length cols)))))))
+
+
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; fingering
+
+(define-public (fingering::calc-text grob)
+ (let*
+ ((event (event-cause grob))
+ (digit (ly:event-property event 'digit)))
+
+ (if (> digit 5)
+ (ly:input-message (ly:event-property event 'origin)
+ "Warning: Fingering notation for finger number ~a" digit))
+
+ (number->string digit 10)
+ ))
+
+(define-public (string-number::calc-text grob)
+ (let*
+ ((digit (ly:event-property (event-cause grob) 'string-number)))
+
+ (number->string digit 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
+ (vector-ref (ly:grob-property grob 'digit-names) (1- (max (min 5 digit) 1))))))
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; dynamics
+(define-public (hairpin::calc-grow-direction grob)
+ (if (eq? (ly:event-property (event-cause grob) 'class) 'decrescendo-event)
+ START
+ STOP
+ ))
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; lyrics
+
+(define-public (lyric-text::print grob)
+ "Allow interpretation of tildes as lyric tieing marks."
+
+ (let*
+ ((text (ly:grob-property grob 'text)))
+
+ (grob-interpret-markup grob
+ (if (string? text)
+ (make-tied-lyric-markup text)
+ text))))
+
+(define-public ((grob::calc-property-by-copy prop) grob)
+ (ly:event-property (event-cause grob) prop))
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; fret boards
+
+(define-public (fret-board::calc-stencil grob)
+ (grob-interpret-markup
+ grob
+ (make-fret-diagram-verbose-markup
+ (ly:grob-property grob 'dot-placement-list))))
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; scripts
- (if (equal? result #f)
- (ly:warn (string-append "Unknown bar glyph: `" glyph "'"))
- (index-cell (cdr result) dir))
- ) )
-
+(define-public (script-interface::calc-x-offset grob)
+ (ly:grob-property grob 'positioning-done)
+ (ly:self-alignment-interface::centered-on-x-parent grob))