;;;; This file is part of LilyPond, the GNU music typesetter.
;;;;
-;;;; Copyright (C) 1998--2012 Jan Nieuwenhuizen <janneke@gnu.org>
+;;;; Copyright (C) 1998--2014 Jan Nieuwenhuizen <janneke@gnu.org>
;;;; Han-Wen Nienhuys <hanwen@xs4all.nl>
;;;;
;;;; LilyPond is free software: you can redistribute it and/or modify
(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)
(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)))
(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)))
+ (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 (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))
quant2))
(factor (/ (atan (abs slope1)) PI-OVER-TWO))
(base (cons-map
- (lambda (x)
- (+ (* (x quant1) (- 1 factor))
- (* (x quant2) factor)))
- (cons car cdr))))
+ (lambda (x)
+ (+ (* (x quant1) (- 1 factor))
+ (* (x quant2) factor)))
+ (cons car cdr))))
(ly:beam::quanting grob base #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))
-;; FIXME: NEED TO FIND A BETTER WAY TO HANDLE KIEVAN NOTATION
+(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)
- (let ((style (ly:grob-property grob 'style)))
- (if (and (symbol? style) (string-match "kievan*" (symbol->string style)))
- (min 3
- (ly:duration-log
- (ly:event-property (event-cause grob) 'duration)))
- (min 2
- (ly:duration-log
- (ly:event-property (event-cause grob) 'duration))))))
+ (min 2
+ (ly:duration-log
+ (ly:event-property (event-cause grob) 'duration))))
(define-public (dots::calc-dot-count grob)
(ly:duration-dot-count
(define-public (dots::calc-staff-position grob)
(let* ((head (ly:grob-parent grob Y))
- (log (ly:grob-property head 'duration-log)))
+ (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)
((harmonic) "0harmonic")
((harmonic-black) "2harmonic")
((harmonic-mixed) (if (<= log 1) "0harmonic"
- "2harmonic"))
+ "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)))
+ (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)))
+ (string-append (number->string log) "double")
+ (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))))
+ (string-append (number->string log) "mensural")
+ (string-append (number->string log) (symbol->string style))))
((blackpetrucci)
(if (< log 0)
- (string-append (number->string log) "blackmensural")
- (string-append (number->string log) (symbol->string style))))
+ (string-append (number->string log) "blackmensural")
+ (string-append (number->string log) (symbol->string style))))
((semipetrucci)
(if (< log 0)
- (string-append (number->string log) "semimensural")
- (string-append (number->string log) "petrucci")))
+ (string-append (number->string log) "semimensural")
+ (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)
- (string-append (number->string (max 0 log))
- (symbol->string style))))))
+ (symbol->string style)
+ (string-append (number->string (max 0 log))
+ (symbol->string style))))))
(define-public (note-head::calc-glyph-name grob)
(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)))))
+ (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)
(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 (and (vector? note-names)
- (> (vector-length note-names) pitch-index))
- (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)))
+ (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 (and (vector? note-names)
+ (> (vector-length note-names) pitch-index))
+ (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)))
(ly:stencil-translate-axis
(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)))
+ (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)))
radius X)))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(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 (rhythmic-location->file-string a)
(ly:format "~a.~a.~a"
- (car a)
- (ly:moment-main-numerator (cdr a))
- (ly:moment-main-denominator (cdr a))))
+ (car a)
+ (ly:moment-main-numerator (cdr a))
+ (ly:moment-main-denominator (cdr a))))
(define-public (rhythmic-location->string a)
(ly:format "bar ~a ~a"
- (car a)
- (ly:moment->string (cdr a))))
+ (car a)
+ (ly:moment->string (cdr a))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; break visibility
(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" . "|:"))
-
- ;; ancient bar lines
- ("kievan" . ("kievan" . ""))))
-
-(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."
(if (and (ly:item? g)
- (equal? (ly:item-break-dir g) RIGHT))
+ (equal? (ly:item-break-dir g) RIGHT))
(ly:grob-translate-axis! g 3.5 X)))
(define-public (pure-from-neighbor-interface::extra-spacing-height-at-beginning-of-line grob)
(cons -0.1 0.1)))
(define-public (pure-from-neighbor-interface::extra-spacing-height grob)
- (let* ((height (ly:grob-pure-height grob grob 0 10000000))
+ (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))))
+ height
+ (ly:axis-group-interface::pure-height
+ grob
+ 0
+ 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))
(ii (interval-intersection esh (cons -1.01 1.01))))
(if (pair? hsb)
(cons (car (if (and (car hsb)
- (ly:grob-property grob 'allow-span-bar))
+ (ly:grob-property grob 'allow-span-bar))
esh ii))
(cdr (if (cdr hsb) esh ii)))
ii)))
(let ((esh (pure-from-neighbor-interface::extra-spacing-height grob))
(to-staff (coord-operation -
(interval-widen
- '(0 . 0)
- (ly:staff-symbol-staff-radius grob))
+ '(0 . 0)
+ (ly:staff-symbol-staff-radius grob))
(ly:grob::stencil-height grob))))
(interval-union esh to-staff)))
(let ((ev (event-cause grob)))
(format #f "~a:~a"
- (ly:event-property ev 'denominator)
- (ly:event-property ev 'numerator))))
+ (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
(let ((txt (if function (function grob) #f)))
(if txt
- (markup txt #:fontsize -5 #:note note UP)
- (markup #:fontsize -5 #:note note UP))))
+ (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)
+ grob)
(number->string (if denominator
- denominator
- (ly:event-property (event-cause grob) '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)
+ 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))))
;; Print a tuplet fraction with note durations appended to the numerator and the
;; denominator
(define-public ((tuplet-number::fraction-with-notes
- denominatornote numeratornote) grob)
+ denominatornote numeratornote) grob)
(let* ((ev (event-cause grob))
(denominator (ly:event-property ev 'denominator))
(numerator (ly:event-property ev 'numerator)))
;; 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)
+ 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 #f "~a" den))
- (markup #:fontsize -5 #:note denominatornote UP)
- (make-simple-markup " : ")
- (make-simple-markup (format #f "~a" num))
- (markup #:fontsize -5 #:note numeratornote UP)))))
+ (make-simple-markup (format #f "~a" den))
+ (markup #:fontsize -5 #:note denominatornote UP)
+ (make-simple-markup " : ")
+ (make-simple-markup (format #f "~a" num))
+ (markup #:fontsize -5 #:note numeratornote UP)))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(define-public (color? x)
(and (list? x)
(= 3 (length x))
- (apply eq? #t (map number? x))
- (apply eq? #t (map (lambda (y) (<= 0 y 1)) x))))
+ (every number? x)
+ (every (lambda (y) (<= 0 y 1)) x)))
(define-public (rgb-color r g b) (list r g b))
-; predefined colors
+;; 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))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; 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)
-
+(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 '())))))
+
+(define-public (key-signature-interface::alteration-position
+ step alter c0-position)
+;; Deprecated. Not a documented interface, and no longer used in LilyPond,
+;; but needed for a popular file, LilyJAZZ.ily for version 2.16
(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))))
-
+ (+ (cdr step) (* (car step) 7) c0-position)
+ (let* ((c-pos (modulo c0-position 7))
+ (hi (list-ref
+ (if (< alter 0)
+ '(2 3 4 2 1 2 1) ; position of highest flat
+ '(4 5 4 2 3 2 3)); position of highest sharp
+ c-pos)))
+ (- hi (modulo (- hi (+ c-pos step)) 7)))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; annotations
idx
(- n 1))))
(markup #:tiny (helper '("*" "†" "‡" "§" "¶")
- ""
- (remainder int 5)
- (+ 1 (quotient int 5)))))
+ ""
+ (remainder int 5)
+ (+ 1 (quotient int 5)))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; accidentals
(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")))
(1/2 . "accidentals.mensural1")))
(define-public alteration-kievan-glyph-name-alist
- '((-1/2 . "accidentals.kievanM1")
- (1/2 . "accidentals.kievan1")))
+ '((-1/2 . "accidentals.kievanM1")
+ (1/2 . "accidentals.kievan1")))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; * Pitch Trill Heads
(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")))
+ (lp (ly:font-get-glyph font "accidentals.leftparen"))
+ (rp (ly:font-get-glyph font "accidentals.rightparen")))
(list lp rp)))
(width 0.5) ; should it be a property?
(angularity 1.5) ; makes angle brackets
(white-padding 0.1) ; should it be a property?
- (lp (ly:stencil-aligned-to
- (ly:stencil-aligned-to
- (make-parenthesis-stencil y-extent
- half-thickness
- (- width)
- angularity)
- Y CENTER)
- X RIGHT))
+ (lp (ly:stencil-aligned-to
+ (ly:stencil-aligned-to
+ (make-parenthesis-stencil y-extent
+ half-thickness
+ (- width)
+ angularity)
+ Y CENTER)
+ X RIGHT))
(lp-x-extent
- (interval-widen (ly:stencil-extent lp X) white-padding))
- (rp (ly:stencil-aligned-to
- (ly:stencil-aligned-to
- (make-parenthesis-stencil y-extent
- half-thickness
- width
- angularity)
- Y CENTER)
- X LEFT))
- (rp-x-extent
- (interval-widen (ly:stencil-extent rp X) white-padding)))
+ (interval-widen (ly:stencil-extent lp X) white-padding))
+ (rp (ly:stencil-aligned-to
+ (ly:stencil-aligned-to
+ (make-parenthesis-stencil y-extent
+ half-thickness
+ width
+ angularity)
+ Y CENTER)
+ X LEFT))
+ (rp-x-extent
+ (interval-widen (ly:stencil-extent rp X) white-padding)))
(set! lp (ly:make-stencil (ly:stencil-expr lp)
lp-x-extent
(ly:stencil-extent lp Y)))
(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)))
+ 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)
(define-public (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)))
+ (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
(- 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 (scale-by-font-size x)
+ (ly:make-unpure-pure-container
+ (lambda (grob)
+ (* x (magstep (ly:grob-property grob 'font-size 0))))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;
(< (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))
- (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)))))
+ (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:generic-bound-extent
+ left-span common))
+ (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))
+ (- INFINITY-INT)))))
+ (right-x (max (- (interval-start
+ (ly:generic-bound-extent right-span common))
+ 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 (- left-x self-x) (- right-x self-x))
(cons (min 0 delta-y)
- (max 0 delta-y)))))
+ (max 0 delta-y)))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(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)))))
+ (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)))))))
+ (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)))
-
- (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
- (vector-ref (ly:grob-property grob 'digit-names)
- (1- (max (min 5 digit) 1))))))
+ (let ((event (event-cause grob)))
+ (or (ly:event-property event 'text #f)
+ (vector-ref (ly:grob-property grob 'digit-names)
+ (1- (max 1
+ (min 5 (ly:event-property event 'digit))))))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
between the two text elements."
(let ((left-bound (ly:spanner-bound grob LEFT)))
(if (grob::has-interface left-bound 'dynamic-text-interface)
- (let* ((details (ly:grob-property grob 'bound-details))
- (left-details (ly:assoc-get 'left details))
- (my-padding (ly:assoc-get 'padding left-details))
- (script-padding (ly:grob-property left-bound 'right-padding 0)))
-
- (and (number? my-padding)
- (ly:grob-set-nested-property! grob
- '(bound-details left attach-dir)
- RIGHT)
- (ly:grob-set-nested-property! grob
- '(bound-details left padding)
- (+ my-padding script-padding)))))))
-
+ (let* ((details (ly:grob-property grob 'bound-details))
+ (left-details (ly:assoc-get 'left details))
+ (my-padding (ly:assoc-get 'padding left-details))
+ (script-padding (ly:grob-property left-bound 'right-padding 0)))
+
+ (and (number? my-padding)
+ (ly:grob-set-nested-property! grob
+ '(bound-details left attach-dir)
+ RIGHT)
+ (ly:grob-set-nested-property! grob
+ '(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
(let ((text (ly:grob-property grob 'text)))
(grob-interpret-markup grob (if (string? text)
- (make-tied-lyric-markup text)
- text))))
+ (make-tied-lyric-markup text)
+ text))))
(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
(define-public (script-interface::calc-x-offset grob)
(ly:grob-property grob 'positioning-done)
(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
+ (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
;; 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))))
+ (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))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(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))))
+ (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))
+ (!= (ly:item-break-dir left-bound) CENTER))
- (grob-interpret-markup grob name)
- (ly:grob-suicide! grob))))
+ (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))))
+ (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))))
+ (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)))))
+ (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)
(ly:grob-array->list elements))))
(let* ((left-bound (ly:spanner-bound grob LEFT))
- (live-elts (live-elements-list grob))
- (system (ly:grob-system grob))
- (extent empty-interval))
+ (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))
+ (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))))
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; 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
+;; Calculate the gaps between ambitus heads and ends of ambitus line.
+;; Start by determining desired length of the ambitus line (based on
+;; length-fraction property), calc gap from that and make sure that
+;; it doesn't exceed maximum allowed value.
+
+(define-public (ambitus-line::calc-gap 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))
+ (fraction (ly:grob-property grob 'length-fraction 0.7))
+ (max-gap (ly:grob-property grob 'maximum-gap 0.45))
+ ;; distance between noteheads:
+ (distance (- (interval-start (ly:grob-extent head-up common Y))
+ (interval-end (ly:grob-extent head-down common Y))))
+ (gap (* 0.5 distance (- 1 fraction))))
+
+ (min gap max-gap))
+ 0)))
+
+;; Print a line connecting ambitus heads:
+
(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)))))
+ (= (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))
+ ;; The value used when 'gap' property cannot be read is small
+ ;; to make sure that ambitus of a fifth will have a visible line.
+ (gap (ly:grob-property grob 'gap 0.25))
+ (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 0.1) point-max) ; don't print lines shorter than 0.1ss
+ (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)))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; laissez-vibrer tie
;; needed so we can make laissez-vibrer a pure print
;;
(define-public (laissez-vibrer::print grob)
- (ly:tie::print grob))
+ (ly:tie::print grob))
+
+(define-public (semi-tie::calc-cross-staff grob)
+ (let* ((note-head (ly:grob-object grob 'note-head))
+ (stem (ly:grob-object note-head 'stem)))
+ (and (ly:grob? stem)
+ (ly:grob-property stem 'cross-staff #f))))
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; 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))))
projects / lilypond.git / blobdiff