;;;; This file is part of LilyPond, the GNU music typesetter. ;;;; ;;;; Copyright (C) 1998--2012 Jan Nieuwenhuizen ;;;; Han-Wen Nienhuys ;;;; ;;;; LilyPond is free software: you can redistribute it and/or modify ;;;; it under the terms of the GNU General Public License as published by ;;;; the Free Software Foundation, either version 3 of the License, or ;;;; (at your option) any later version. ;;;; ;;;; LilyPond is distributed in the hope that it will be useful, ;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of ;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ;;;; GNU General Public License for more details. ;;;; ;;;; You should have received a copy of the GNU General Public License ;;;; along with LilyPond. If not, see . ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;; 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 (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) (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)))) (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)))) (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))) ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;; beam slope ;; sets position of beams for Kievan notation (define-public (beam::get-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) '())) (style (if (not (null? first-note-head)) (ly:grob-property first-note-head 'style) '()))) (if (and (symbol? style) (string-match "kievan*" (symbol->string style))) (let* ((next-stem (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)) (left-height (if (= direction DOWN) (+ (car (ly:grob::stencil-height first-note-head)) 0.75) (- (cdr (ly:grob::stencil-height first-note-head)) 0.75))) (right-height (if (= direction DOWN) (+ (car (ly:grob::stencil-height next-note-head)) 0.75) (- (cdr (ly:grob::stencil-height next-note-head)) 0.75)))) (cons (+ left-pos left-height) (+ right-pos right-height))) (beam::place-broken-parts-individually grob)))) (define-public (beam::get-quantized-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) '())) (style (if (not (null? first-note-head)) (ly:grob-property first-note-head 'style) '()))) (if (and (symbol? style) (string-match "kievan*" (symbol->string style))) (let* ((next-stem (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)) (left-height (if (= direction DOWN) (+ (car (ly:grob::stencil-height first-note-head)) 0.75) (- (cdr (ly:grob::stencil-height first-note-head)) 0.75))) (right-height (if (= direction DOWN) (+ (car (ly:grob::stencil-height next-note-head)) 0.75) (- (cdr (ly:grob::stencil-height next-note-head)) 0.75)))) (cons (+ left-pos left-height) (+ right-pos right-height))) (ly:beam::set-stem-lengths grob)))) ;; 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)) ;; calculates the slope of a beam as a single unit, ;; even if it is broken. this assures that the beam ;; will pick up where it left off after a line break (define-public (beam::align-with-broken-parts grob) (ly:beam::quanting grob '(+inf.0 . -inf.0) #t)) ;; uses the broken beam style from edition peters combines the ;; values of place-broken-parts-individually and align-with-broken-parts above, ;; favoring place-broken-parts-individually when the beam naturally has a steeper ;; incline and align-with-broken-parts when the beam is flat (define-public (beam::slope-like-broken-parts grob) (define (slope y x) (/ (- (cdr y) (car y)) (- (cdr x) (car x)))) (let* ((quant1 (ly:beam::quanting grob '(+inf.0 . -inf.0) #t)) (original (ly:grob-original grob)) (siblings (if (ly:grob? original) (ly:spanner-broken-into original) '()))) (if (null? siblings) quant1 (let* ((quant2 (ly:beam::quanting grob '(+inf.0 . -inf.0) #f)) (x-span (ly:grob-property grob 'X-positions)) (slope1 (slope quant1 x-span)) (slope2 (slope quant2 x-span)) (quant2 (if (not (= (sign slope1) (sign slope2))) '(0 . 0) quant2)) (factor (/ (atan (abs slope1)) PI-OVER-TWO)) (base (cons-map (lambda (x) (+ (* (x quant1) (- 1 factor)) (* (x quant2) factor))) (cons car cdr)))) (ly:beam::quanting grob base #f))))) ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;; cross-staff stuff (define-public (script-or-side-position-cross-staff g) (or (ly:script-interface::calc-cross-staff g) (ly:side-position-interface::calc-cross-staff g))) ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;; note heads (define-public (stem::calc-duration-log grob) (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)) (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) '())) (style (if (not (null? first-note-head)) (ly:grob-property first-note-head 'style) '()))) (cond ((and (symbol? style) (string-match "kievan*" (symbol->string style))) 0.0) ((null? beam) (abs (- (ly:stem::calc-stem-end-position grob) beg))) (else (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)))) (define-public (stem-stub::pure-height grob beg end) (if (stem-stub::do-calculations grob) '(0 . 0) '(+inf.0 . -inf.0))) (define-public (stem-stub::width grob) (if (stem-stub::do-calculations grob) (grob::x-parent-width grob) '(+inf.0 . -inf.0))) (define-public (stem-stub::extra-spacing-height grob) (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)) ;; only account for distance if stem is on different staff than stub (dist (if (grob::has-interface refp 'hara-kiri-group-spanner-interface) 0 (- (car my_ph) (car stem_ph))))) (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-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)))))) (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))) (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)))) ;; Kept separate from note-head::calc-glyph-name to allow use by ;; markup commands \note and \note-by-number (define-public (select-head-glyph style log) "Select a note head glyph string based on note head style @var{style} and duration-log @var{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))) ((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) (if (< log 0) (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)))) ((semipetrucci) (if (< log 0) (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)))))) (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))))) (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))) (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))) radius X))) ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;; clipping (define-public (make-rhythmic-location bar-num num den) (cons bar-num (ly:make-moment num den))) (define-public (rhythmic-location? a) (and (pair? a) (integer? (car a)) (ly:moment? (cdr a)))) (define-public (make-graceless-rhythmic-location loc) (make-rhythmic-location (car loc) (ly:moment-main-numerator (rhythmic-location-measure-position loc)) (ly:moment-main-denominator (rhythmic-location-measure-position loc)))) (define-public rhythmic-location-measure-position cdr) (define-public rhythmic-location-bar-number car) (define-public (rhythmic-location (car a) (car b)) #f) (else (ly:moment=? a b) (not (rhythmic-location? a b) (rhythmic-locationfile-string a) (ly:format "~a.~a.~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)))) ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;; 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 (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)) ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;; neighbor-interface routines (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))) (define-public (pure-from-neighbor-interface::extra-spacing-height-at-beginning-of-line grob) (if (= 1 (ly:item-break-dir grob)) (pure-from-neighbor-interface::extra-spacing-height 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)) (from-neighbors (interval-union height (ly:axis-group-interface::pure-height grob 0 10000000)))) (coord-operation - from-neighbors 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)) esh ii)) (cdr (if (cdr hsb) esh ii))) ii))) (define-public (pure-from-neighbor-interface::extra-spacing-height-including-staff grob) (let ((esh (pure-from-neighbor-interface::extra-spacing-height grob)) (to-staff (coord-operation - (interval-widen '(0 . 0) (ly:staff-symbol-staff-radius grob)) (ly:grob::stencil-height grob)))) (interval-union esh to-staff))) ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;; Tuplets (define-public (tuplet-number::calc-direction grob) (ly:tuplet-bracket::calc-direction (ly:grob-object grob 'bracket))) (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 #f "~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 #f "~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 #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))))) ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;; Color (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)))) (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-positions entry c0-position grob) (let ((step (car entry)) (alter (cdr entry))) (if (pair? step) (list (+ (cdr step) (* (car step) 7) c0-position)) (let* ((c-position (modulo c0-position 7)) (positions (if (< alter 0) ;; See (flat|sharp)-positions in define-grob-properties.scm (ly:grob-property grob 'flat-positions '(3)) (ly:grob-property grob 'sharp-positions '(3)))) (p (list-ref positions (if (< c-position (length positions)) c-position 0))) (max-position (if (pair? p) (cdr p) p)) (min-position (if (pair? p) (car p) (- max-position 6))) (first-position (+ (modulo (- (+ c-position step) min-position) 7) min-position))) (define (prepend x l) (if (> x max-position) l (prepend (+ x 7) (cons x l)))) (prepend first-position '()))))) ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;; annotations (define-public (numbered-footnotes int) (markup #:tiny (number->string (+ 1 int)))) (define-public (symbol-footnotes int) (define (helper symbols out idx n) (if (< n 1) out (helper symbols (string-append out (list-ref symbols idx)) idx (- n 1)))) (markup #:tiny (helper '("*" "†" "‡" "§" "¶") "" (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 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"))) (define-public alteration-kievan-glyph-name-alist '((-1/2 . "accidentals.kievanM1") (1/2 . "accidentals.kievan1"))) ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;; * 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 (parentheses-item::calc-angled-bracket-stencils grob) (let* ((parent (ly:grob-parent grob Y)) (y-extent (ly:grob-extent parent parent Y)) (half-thickness 0.05) ; should it be a property? (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-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))) (set! lp (ly:make-stencil (ly:stencil-expr lp) lp-x-extent (ly:stencil-extent lp Y))) (set! rp (ly:make-stencil (ly:stencil-expr rp) rp-x-extent (ly:stencil-extent rp Y))) (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-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))) (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)) (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 (- 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:momentstring 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 (ly:in-event-class? (event-cause grob) 'decrescendo-event) START STOP)) (define-public (dynamic-text-spanner::before-line-breaking grob) "Monitor left bound of @code{DynamicTextSpanner} for absolute dynamics. If found, ensure @code{DynamicText} does not collide with spanner text by changing @code{'attach-dir} and @code{'padding}. Reads the @code{'right-padding} property of @code{DynamicText} to fine tune space 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))))))) ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;; 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 (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 ;; 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))) (filter! grob::is-live? (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)) (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))))) ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;; laissez-vibrer tie ;; ;; needed so we can make laissez-vibrer a pure print ;; (define-public (laissez-vibrer::print grob) (ly:tie::print grob))