;;;; output-lib.scm -- implement Scheme output helper functions
;;;;
;;;; source file of the GNU LilyPond music typesetter
-;;;;
-;;;; (c) 1998--2008 Jan Nieuwenhuizen <janneke@gnu.org>
+;;;;
+;;;; (c) 1998--2009 Jan Nieuwenhuizen <janneke@gnu.org>
;;;; Han-Wen Nienhuys <hanwen@xs4all.nl>
-
-
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; general
+
(define-public (grob::has-interface grob iface)
(memq iface (ly:grob-interfaces grob)))
+(define-public (grob::is-live? grob)
+ (pair? (ly:grob-basic-properties grob)))
+
(define-public (make-stencil-boxer thickness padding callback)
"Return function that adds a box around the grob passed as argument."
(lambda (grob)
-
(box-stencil (callback grob) thickness padding)))
(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)))
(define-public (print-circled-text-callback grob)
(grob-interpret-markup grob (make-circle-markup
- (ly:grob-property grob 'text))
- ))
+ (ly:grob-property grob 'text))))
(define-public (event-cause grob)
- (let*
- ((cause (ly:grob-property grob 'cause)))
-
+ (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)))))
-
-
- (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))))
+(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)))
+
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; 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
+ (min 2
(ly:duration-log
(ly:event-property (event-cause grob) 'duration))))
(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)))
+ (let* ((head (ly:grob-parent grob Y))
+ (log (ly:grob-property head 'duration-log)))
(cond
((or (not (grob::has-interface head 'rest-interface))
- (not (integer? log))) 0)
+ (not (integer? log))) 0)
((= log 7) 4)
((> log 4) 3)
((= log 0) -1)
((= log -1) 1)
(else 0))))
-(define (note-head::calc-tablature-stem-attachment grob)
- (cons 0.0 1.35))
-
-
-
-;; silly, use alist?
+;; silly, use alist?
(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 (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).
((harmonic) "0harmonic")
((harmonic-black) "2harmonic")
((harmonic-mixed) (if (<= log 1) "0harmonic"
- "2harmonic"))
- ((baroque)
+ "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
(if (< log 0)
(string-append (number->string log) "neomensural")
(number->string log)))
+ ((altdefault)
+ ;; Like default, but brevis is drawn with double vertical lines
+ (if (= log -1)
+ (string-append (number->string log) "double")
+ (number->string log)))
((mensural)
(string-append (number->string log) (symbol->string style)))
((petrucci)
(string-append (number->string (max 0 log))
(symbol->string style)))))))
-;; TODO junk completely?
-(define (note-head-style->attachment-coordinates grob axis)
- "Return pair (X . Y), containing multipliers for the note head
-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))
-
-
-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-;; 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:context-property tr 'currentBarNumber)))
- (ly:context-set-property! tr 'barNumberVisibility (modulo-bar-number-visible n (modulo bn n)))))
-
-(define-public (first-bar-number-invisible barnum) (> barnum 1))
-
-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-;; percent repeat counters
-
-(define-public ((every-nth-repeat-count-visible n) count context) (= 0 (modulo count n)))
-
-(define-public (all-repeat-counts-visible count context) #t)
+(define-public (note-head::brew-ez-stencil grob)
+ (let* ((log (ly:grob-property grob 'duration-log))
+ (pitch (ly:event-property (event-cause grob) 'pitch))
+ (pitch-index (ly:pitch-notename pitch))
+ (note-names (ly:grob-property grob 'note-names))
+ (pitch-string (if (vector? note-names)
+ (vector-ref note-names pitch-index)
+ (string
+ (integer->char
+ (+ (modulo (+ pitch-index 2) 7)
+ (char->integer #\A))))))
+ (staff-space (ly:staff-symbol-staff-space grob))
+ (line-thickness (ly:staff-symbol-line-thickness grob))
+ (stem (ly:grob-object grob 'stem))
+ (stem-thickness (* (if (ly:grob? stem)
+ (ly:grob-property stem 'thickness)
+ 1.3)
+ line-thickness))
+ (radius (/ (+ staff-space line-thickness) 2))
+ (letter (markup #:center-align #:vcenter pitch-string))
+ (filled-circle (markup #:draw-circle radius 0 #t)))
+
+ (grob-interpret-markup
+ grob
+ (if (>= log 2)
+ (make-combine-markup
+ filled-circle
+ (make-with-color-markup white letter))
+ (make-combine-markup
+ (make-combine-markup
+ filled-circle
+ (make-with-color-markup white (make-draw-circle-markup
+ (- radius stem-thickness) 0 #t)))
+ letter)))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; break visibility
(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))
+(define-public spanbar-begin-of-line-invisible #(#t #f #f))
-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Bar lines.
;;
-;; How should a bar line behave at a break?
+;; How should a bar line behave at a break?
(define bar-glyph-alist
'((":|:" . (":|" . "|:"))
(":|.|:" . (":|" . "|:"))
(":|.:" . (":|" . "|:"))
("||:" . ("||" . "|:"))
- ("dashed" . ("dashed" . '()))
+ ("dashed" . ("dashed" . '()))
("|" . ("|" . ()))
("||:" . ("||" . "|:"))
("|s" . (() . "|"))
("|:" . ("|" . "|:"))
("|." . ("|." . ()))
-
+
;; hmm... should we end with a bar line here?
(".|" . ("|" . ".|"))
(":|" . (":|" . ()))
("" . ("" . ""))
(":" . (":" . ""))
("." . ("." . ()))
+ ("'" . ("'" . ()))
("empty" . (() . ()))
("brace" . (() . "brace"))
- ("bracket" . (() . "bracket"))
- ))
+ ("bracket" . (() . "bracket"))))
(define-public (bar-line::calc-glyph-name grob)
- (let* (
- (glyph (ly:grob-property grob 'glyph))
+ (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)))
+ (if (and result
+ (string? (index-cell (cdr result) dir)))
(index-cell (cdr result) dir)
- #f)))
- )
+ #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))))
-
+ all-invisible)))
(define-public (shift-right-at-line-begin g)
"Shift an item to the right, but only at the start of the line."
(number->string (ly:event-property (event-cause grob) 'denominator)))
(define-public (tuplet-number::calc-fraction-text grob)
- (let*
- ((ev (event-cause grob)))
+ (let ((ev (event-cause grob)))
- (format "~a:~a"
+ (format "~a:~a"
(ly:event-property ev 'denominator)
(ly:event-property ev 'numerator))))
+;; a formatter function, which is simply a wrapper around an existing
+;; tuplet formatter function. It takes the value returned by the given
+;; function and appends a note of given length.
+(define-public ((tuplet-number::append-note-wrapper function note) grob)
+ (let ((txt (if function (function grob) #f)))
+
+ (if txt
+ (markup txt #:fontsize -5 #:note note UP)
+ (markup #:fontsize -5 #:note note UP))))
+
+;; Print a tuplet denominator with a different number than the one derived from
+;; the actual tuplet fraction
+(define-public ((tuplet-number::non-default-tuplet-denominator-text denominator)
+ grob)
+ (number->string (if denominator
+ denominator
+ (ly:event-property (event-cause grob) 'denominator))))
+
+;; Print a tuplet fraction with different numbers than the ones derived from
+;; the actual tuplet fraction
+(define-public ((tuplet-number::non-default-tuplet-fraction-text
+ denominator numerator) grob)
+ (let* ((ev (event-cause grob))
+ (den (if denominator denominator (ly:event-property ev 'denominator)))
+ (num (if numerator numerator (ly:event-property ev 'numerator))))
+
+ (format "~a:~a" den num)))
+
+;; Print a tuplet fraction with note durations appended to the numerator and the
+;; denominator
+(define-public ((tuplet-number::fraction-with-notes
+ denominatornote numeratornote) grob)
+ (let* ((ev (event-cause grob))
+ (denominator (ly:event-property ev 'denominator))
+ (numerator (ly:event-property ev 'numerator)))
+
+ ((tuplet-number::non-default-fraction-with-notes
+ denominator denominatornote numerator numeratornote) grob)))
+
+;; Print a tuplet fraction with note durations appended to the numerator and the
+;; denominator
+(define-public ((tuplet-number::non-default-fraction-with-notes
+ denominator denominatornote numerator numeratornote) grob)
+ (let* ((ev (event-cause grob))
+ (den (if denominator denominator (ly:event-property ev 'denominator)))
+ (num (if numerator numerator (ly:event-property ev 'numerator))))
+
+ (make-concat-markup (list
+ (make-simple-markup (format "~a" den))
+ (markup #:fontsize -5 #:note denominatornote UP)
+ (make-simple-markup " : ")
+ (make-simple-markup (format "~a" num))
+ (markup #:fontsize -5 #:note numeratornote UP)))))
+
+
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Color
(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)
+(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)))
-
+ (+ (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))
- )
+ (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
+ ;; 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.
+ ;; --dl.
(cond
((and (= c0 2) (= p 3) (> alter 0))
(set! p (- p 7)))
;; accidentals
(define-public (accidental-interface::calc-alteration grob)
- (ly:pitch-alteration (ly:event-property (event-cause grob) 'pitch)))
-
+ (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")
- ))
+ '(
+ ;; 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 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")
- ))
-
+ '((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")))
+ '((-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")))
+ '((-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")))
+ '((-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")))
+ '((-1/2 . "accidentals.mensuralM1")
+ (0 . "accidentals.vaticana0")
+ (1/2 . "accidentals.mensural1")))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(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))
- )
+ (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)))
-
+ (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))
- ))
+ (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)))
+ (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))))
- ))
+ (- (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
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
- )))))
+
+ (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))
+ (minimum-length (ly:grob-property spanner 'minimum-length 0.5))
+
+ (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))
+ ;; TODO: use real infinity constant.
+ -10000))))
+ (right-x (max (- (interval-start
+ (ly:grob-robust-relative-extent right-span common X))
+ padding)
+ (+ left-x minimum-length)))
+ (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 (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)))))
-
+ (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)))
-
+ (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))
+ "Warning: Fingering notation for finger number ~a"
+ digit))
- (number->string digit 10)
- ))
+ (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)
- ))
+ (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)))
+ (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))))))
+ (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
- ))
+ 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))))
+ (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))))
+ (grob-interpret-markup
+ grob
+ (make-fret-diagram-verbose-markup
+ (ly:grob-property grob 'dot-placement-list))))
+
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; scripts
(define-public (script-interface::calc-x-offset grob)
(ly:grob-property grob 'positioning-done)
- (ly:self-alignment-interface::centered-on-x-parent grob))
+ (let* ((shift (ly:grob-property grob 'toward-stem-shift 0.0))
+ (note-head-location
+ (ly:self-alignment-interface::centered-on-x-parent grob))
+ (note-head-grob (ly:grob-parent grob X))
+ (stem-grob (ly:grob-object note-head-grob 'stem)))
+
+ (+ note-head-location
+ ;; If the property 'toward-stem-shift is defined and the script
+ ;; has the same direction as the stem, move the script accordingly.
+ ;; Since scripts can also be over skips, we need to check whether
+ ;; the grob has a stem at all.
+ (if (ly:grob? stem-grob)
+ (let ((dir1 (ly:grob-property grob 'direction))
+ (dir2 (ly:grob-property stem-grob 'direction)))
+ (if (equal? dir1 dir2)
+ (let* ((common-refp (ly:grob-common-refpoint grob stem-grob X))
+ (stem-location
+ (ly:grob-relative-coordinate stem-grob common-refp X)))
+ (* shift (- stem-location note-head-location)))
+ 0.0))
+ 0.0))))
+
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; instrument names
+
+(define-public (system-start-text::print grob)
+ (let* ((left-bound (ly:spanner-bound grob LEFT))
+ (left-mom (ly:grob-property left-bound 'when))
+ (name (if (moment<=? left-mom ZERO-MOMENT)
+ (ly:grob-property grob 'long-text)
+ (ly:grob-property grob 'text))))
+
+ (if (and (markup? name)
+ (!= (ly:item-break-dir left-bound) CENTER))
+
+ (grob-interpret-markup grob name)
+ (ly:grob-suicide! grob))))
+
+(define-public (system-start-text::calc-x-offset grob)
+ (let* ((left-bound (ly:spanner-bound grob LEFT))
+ (left-mom (ly:grob-property left-bound 'when))
+ (layout (ly:grob-layout grob))
+ (indent (ly:output-def-lookup layout
+ (if (moment<=? left-mom ZERO-MOMENT)
+ 'indent
+ 'short-indent)
+ 0.0))
+ (system (ly:grob-system grob))
+ (my-extent (ly:grob-extent grob system X))
+ (elements (ly:grob-object system 'elements))
+ (common (ly:grob-common-refpoint-of-array system elements X))
+ (total-ext empty-interval)
+ (align-x (ly:grob-property grob 'self-alignment-X 0))
+ (padding (min 0 (- (interval-length my-extent) indent)))
+ (right-padding (- padding
+ (/ (* padding (1+ align-x)) 2))))
+
+ ;; compensate for the variation in delimiter extents by
+ ;; calculating an X-offset correction based on united extents
+ ;; of all delimiters in this system
+ (let unite-delims ((l (ly:grob-array-length elements)))
+ (if (> l 0)
+ (let ((elt (ly:grob-array-ref elements (1- l))))
+
+ (if (grob::has-interface elt 'system-start-delimiter-interface)
+ (let ((dims (ly:grob-extent elt common X)))
+ (if (interval-sane? dims)
+ (set! total-ext (interval-union total-ext dims)))))
+ (unite-delims (1- l)))))
+
+ (+
+ (ly:side-position-interface::x-aligned-side grob)
+ right-padding
+ (- (interval-length total-ext)))))
+
+(define-public (system-start-text::calc-y-offset grob)
+
+ (define (live-elements-list me)
+ (let* ((elements (ly:grob-object me 'elements))
+ (elts-length (ly:grob-array-length elements))
+ (live-elements '()))
+
+ (let get-live ((len elts-length))
+ (if (> len 0)
+ (let ((elt (ly:grob-array-ref elements (1- len))))
+
+ (if (grob::is-live? elt)
+ (set! live-elements (cons elt live-elements)))
+ (get-live (1- len)))))
+ live-elements))
+
+ (let* ((left-bound (ly:spanner-bound grob LEFT))
+ (live-elts (live-elements-list grob))
+ (system (ly:grob-system grob))
+ (extent empty-interval))
+
+ (if (and (pair? live-elts)
+ (interval-sane? (ly:grob-extent grob system Y)))
+ (let get-extent ((lst live-elts))
+ (if (pair? lst)
+ (let ((axis-group (car lst)))
+
+ (if (and (ly:spanner? axis-group)
+ (equal? (ly:spanner-bound axis-group LEFT)
+ left-bound))
+ (set! extent (add-point extent
+ (ly:grob-relative-coordinate
+ axis-group system Y))))
+ (get-extent (cdr lst)))))
+ ;; no live axis group(s) for this instrument name -> remove from system
+ (ly:grob-suicide! grob))
+
+ (+
+ (ly:self-alignment-interface::y-aligned-on-self grob)
+ (interval-center extent))))
+
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; ambitus
+
+(define-public (ambitus::print grob)
+ (let ((heads (ly:grob-object grob 'note-heads)))
+
+ (if (and (ly:grob-array? heads)
+ (= (ly:grob-array-length heads) 2))
+ (let* ((common (ly:grob-common-refpoint-of-array grob heads Y))
+ (head-down (ly:grob-array-ref heads 0))
+ (head-up (ly:grob-array-ref heads 1))
+ (gap (ly:grob-property grob 'gap 0.35))
+ (point-min (+ (interval-end (ly:grob-extent head-down common Y))
+ gap))
+ (point-max (- (interval-start (ly:grob-extent head-up common Y))
+ gap)))
+
+ (if (< point-min point-max)
+ (let* ((layout (ly:grob-layout grob))
+ (line-thick (ly:output-def-lookup layout 'line-thickness))
+ (blot (ly:output-def-lookup layout 'blot-diameter))
+ (grob-thick (ly:grob-property grob 'thickness 2))
+ (width (* line-thick grob-thick))
+ (x-ext (symmetric-interval (/ width 2)))
+ (y-ext (cons point-min point-max))
+ (line (ly:round-filled-box x-ext y-ext blot))
+ (y-coord (ly:grob-relative-coordinate grob common Y)))
+
+ (ly:stencil-translate-axis line (- y-coord) Y))
+ empty-stencil))
+ (begin
+ (ly:grob-suicide! grob)
+ (list)))))
projects / lilypond.git / blobdiff