-;;;; output-lib.scm -- implement Scheme output helper functions
+;;;; This file is part of LilyPond, the GNU music typesetter.
;;;;
-;;;; source file of the GNU LilyPond music typesetter
-;;;;
-;;;; (c) 1998--2009 Jan Nieuwenhuizen <janneke@gnu.org>
+;;;; Copyright (C) 1998--2012 Jan Nieuwenhuizen <janneke@gnu.org>
;;;; Han-Wen Nienhuys <hanwen@xs4all.nl>
+;;;;
+;;;; 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 <http://www.gnu.org/licenses/>.
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(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)))
+ (lambda (grob)
+ (circle-stencil (callback grob) thickness padding)))
(define-public (print-circled-text-callback grob)
(grob-interpret-markup grob (make-circle-markup
(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))
+
+;; 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)))
+
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; 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))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-;; 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.
- (1- string))))))))
-
-;; The 5-string banjo has got a extra string, the fifth (duh), which
-;; 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 (1- string)))))
- (number->string (cond
- ((and (> fret 0) (= string 5))
- (+ fret 5))
- (else fret))))))))
+;; 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 (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 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
+ (- (car my_ph) (car stem_ph)))))
+ (if (interval-empty? (interval-intersection stem_ph my_ph)) #f (coord-translate stem_ph dist)))
+ #f))
+
+(define-public (note-head::calc-kievan-duration-log grob)
+ (min 3
+ (ly:duration-log
+ (ly:event-property (event-cause grob) 'duration))))
+
(define-public (note-head::calc-duration-log grob)
(min 2
(ly:duration-log
- (ly:event-property (event-cause grob) 'duration))))
+ (ly:event-property (event-cause grob) 'duration))))
(define-public (dots::calc-dot-count grob)
(ly:duration-dot-count
((= log -1) 1)
(else 0))))
-;; 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))))
-
- (case style
- ;; "default" style is directly handled in note-head.cc as a
- ;; special case (HW says, mainly for performance reasons).
- ;; Therefore, style "default" does not appear in this case
- ;; statement. -- jr
- ((xcircle) "2xcircle")
- ((harmonic) "0harmonic")
- ((harmonic-black) "2harmonic")
- ((harmonic-mixed) (if (<= log 1) "0harmonic"
- "2harmonic"))
- ((baroque)
- ;; Oops, I actually would not call this "baroque", but, for
- ;; backwards compatibility to 1.4, this is supposed to take
- ;; brevis, longa and maxima from the neo-mensural font and all
- ;; other note heads from the default font. -- jr
- (if (< log 0)
- (string-append (number->string log) "neomensural")
- (number->string log)))
- ((mensural)
- (string-append (number->string log) (symbol->string style)))
- ((petrucci)
- (if (< log 0)
- (string-append (number->string log) "mensural")
- (string-append (number->string log) (symbol->string style))))
- ((neomensural)
- (string-append (number->string log) (symbol->string style)))
- (else
- (if (string-match "vaticana*|hufnagel*|medicaea*" (symbol->string style))
- (symbol->string style)
- (string-append (number->string (max 0 log))
- (symbol->string style)))))))
-
-
-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-;; 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))
-
-(define-public (all-bar-numbers-visible barnum) #t)
+;; 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)))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-;; 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)
-
+;; 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<? a b)
+ (cond
+ ((< (car a) (car b)) #t)
+ ((> (car a) (car b)) #f)
+ (else
+ (ly:moment<? (cdr a) (cdr b)))))
+
+(define-public (rhythmic-location<=? a b)
+ (not (rhythmic-location<? b a)))
+(define-public (rhythmic-location>=? a b)
+ (not (rhythmic-location<? a b)))
+(define-public (rhythmic-location>? a b)
+ (rhythmic-location<? b a))
+
+(define-public (rhythmic-location=? a b)
+ (and (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))))
+
+(define-public (rhythmic-location->string a)
+ (ly:format "bar ~a ~a"
+ (car a)
+ (ly:moment->string (cdr a))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; 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))
-
-
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-;; 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"))))
-
-(define-public (bar-line::calc-glyph-name grob)
- (let* ((glyph (ly:grob-property grob 'glyph))
- (dir (ly:item-break-dir grob))
- (result (assoc glyph bar-glyph-alist))
- (glyph-name (if (= dir CENTER)
- glyph
- (if (and result
- (string? (index-cell (cdr result) dir)))
- (index-cell (cdr result) dir)
- #f))))
- glyph-name))
-
-(define-public (bar-line::calc-break-visibility grob)
- (let* ((glyph (ly:grob-property grob 'glyph))
- (result (assoc glyph bar-glyph-alist)))
-
- (if result
- (vector (string? (cadr result)) #t (string? (cddr result)))
- all-invisible)))
(define-public (shift-right-at-line-begin g)
"Shift an item to the right, but only at the start of the line."
(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 INFINITY-INT))
+ (from-neighbors (interval-union
+ 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))
+ 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 "~a:~a"
+ (format #f "~a:~a"
(ly:event-property ev 'denominator)
(ly:event-property ev 'numerator))))
(den (if denominator denominator (ly:event-property ev 'denominator)))
(num (if numerator numerator (ly:event-property ev 'numerator))))
- (format "~a:~a" den num)))
+ (format #f "~a:~a" den num)))
;; Print a tuplet fraction with note durations appended to the numerator and the
;; denominator
(num (if numerator numerator (ly:event-property ev 'numerator))))
(make-concat-markup (list
- (make-simple-markup (format "~a" den))
+ (make-simple-markup (format #f "~a" den))
(markup #:fontsize -5 #:note denominatornote UP)
(make-simple-markup " : ")
- (make-simple-markup (format "~a" num))
+ (make-simple-markup (format #f "~a" num))
(markup #:fontsize -5 #:note numeratornote UP)))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Color
-(define-public color? list?)
+(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
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; key signature
-(define-public (key-signature-interface::alteration-position step alter
- c0-position)
- ;; TODO: memoize - this is mostly constant.
-
- ;; fes, ges, as and bes typeset in lower octave
- (define FLAT_TOP_PITCH 2)
-
- ;; ais and bis typeset in lower octave
- (define SHARP_TOP_PITCH 4)
-
- (if (pair? step)
- (+ (cdr step) (* (car step) 7) c0-position)
- (let* ((from-bottom-pos (modulo (+ 4 49 c0-position) 7))
- (p step)
- (c0 (- from-bottom-pos 4)))
-
- (if
- (or (and (< alter 0)
- (or (> p FLAT_TOP_PITCH) (> (+ p c0) 4)) (> (+ p c0) 1))
- (and (> alter 0)
- (or (> p SHARP_TOP_PITCH) (> (+ p c0) 5)) (> (+ p c0) 2)))
-
- ;; Typeset below c_position
- (set! p (- p 7)))
-
- ;; Provide for the four cases in which there's a glitch
- ;; it's a hack, but probably not worth
- ;; the effort of finding a nicer solution.
- ;; --dl.
- (cond
- ((and (= c0 2) (= p 3) (> alter 0))
- (set! p (- p 7)))
- ((and (= c0 -3) (= p -1) (> alter 0))
- (set! p (+ p 7)))
- ((and (= c0 -4) (= p -1) (< alter 0))
- (set! p (+ p 7)))
- ((and (= c0 -2) (= p -3) (< alter 0))
- (set! p (+ p 7))))
-
- (+ c0 p))))
+(define-public (key-signature-interface::alteration-positions
+ entry c0-position grob)
+ (let ((step (car entry))
+ (alter (cdr entry)))
+ (if (pair? step)
+ (list (+ (cdr step) (* (car step) 7) c0-position))
+ (let* ((c-position (modulo c0-position 7))
+ (positions
+ (if (< alter 0)
+ ;; See (flat|sharp)-positions in define-grob-properties.scm
+ (ly:grob-property grob 'flat-positions '(3))
+ (ly:grob-property grob 'sharp-positions '(3))))
+ (p (list-ref positions
+ (if (< c-position (length positions))
+ c-position 0)))
+ (max-position (if (pair? p) (cdr p) p))
+ (min-position (if (pair? p) (car p) (- max-position 6)))
+ (first-position (+ (modulo (- (+ c-position step)
+ min-position)
+ 7)
+ min-position)))
+ (define (prepend x l) (if (> x max-position)
+ l
+ (prepend (+ x 7) (cons x l))))
+ (prepend first-position '())))))
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; annotations
+
+(define-public (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 accidental-interface::height
+ (ly:make-unpure-pure-container
+ ly:accidental-interface::height
+ ly:accidental-interface::pure-height))
+
(define-public cancellation-glyph-name-alist
'((0 . "accidentals.natural")))
(0 . "accidentals.vaticana0")
(1/2 . "accidentals.mensural1")))
+(define-public alteration-kievan-glyph-name-alist
+ '((-1/2 . "accidentals.kievanM1")
+ (1/2 . "accidentals.kievan1")))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; * Pitch Trill Heads
(list lp rp)))
(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* ((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))))
+ (stencil-whiteout rp))))
(define (parenthesize-elements grob . rest)
(let* ((refp (if (null? rest)
(ly:stencil-translate-axis rp (+ (cdr x-ext) padding) X))))
-(define (parentheses-item::print me)
+(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))
(- 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)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;
(ly:grob-relative-coordinate spanner common-y Y)))
(interval-end
(ly:grob-robust-relative-extent dots common X))
- ;; TODO: use real infinity constant.
- -10000))))
+ (- INFINITY-INT)))))
(right-x (max (- (interval-start
(ly:grob-robust-relative-extent right-span common X))
padding)
;; fingering
(define-public (fingering::calc-text grob)
- (let* ((event (event-cause grob))
- (digit (ly:event-property event 'digit)))
-
- (if (> digit 5)
- (ly:input-message (ly:event-property event 'origin)
- "Warning: Fingering notation for finger number ~a"
- digit))
-
- (number->string digit 10)))
+ (let ((event (event-cause grob)))
+ (or (ly:event-property event 'text #f)
+ (number->string (ly:event-property event 'digit) 10))))
(define-public (string-number::calc-text grob)
- (let ((digit (ly:event-property (event-cause grob) 'string-number)))
-
- (number->string digit 10)))
+ (let ((event (event-cause grob)))
+ (or (ly:event-property event 'text #f)
+ (number->string (ly:event-property event 'string-number) 10))))
(define-public (stroke-finger::calc-text grob)
- (let* ((digit (ly:event-property (event-cause grob) 'digit))
- (text (ly:event-property (event-cause grob) 'text)))
-
- (if (string? text)
- text
+ (let ((event (event-cause grob)))
+ (or (ly:event-property event 'text #f)
(vector-ref (ly:grob-property grob 'digit-names)
- (1- (max (min 5 digit) 1))))))
+ (1- (max 1
+ (min 5 (ly:event-property event 'digit))))))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; dynamics
(define-public (hairpin::calc-grow-direction grob)
- (if (eq? (ly:event-property (event-cause grob) 'class) 'decrescendo-event)
+ (if (ly:in-event-class? (event-cause grob) 'decrescendo-event)
START
STOP))
+(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)))))))
+
+(define-public ((elbowed-hairpin coords mirrored?) grob)
+ "Create hairpin based on a list of @var{coords} in @code{(cons x y)}
+form. @code{x} is the portion of the width consumed for a given line
+and @code{y} is the portion of the height. For example,
+@code{'((0.3 . 0.7) (0.8 . 0.9) (1.0 . 1.0))} means that at the point
+where the hairpin has consumed 30% of its width, it must
+be at 70% of its height. Once it is to 80% width, it
+must be at 90% height. It finishes at
+100% width and 100% height. @var{mirrored?} indicates if the hairpin
+is mirrored over the Y-axis or if just the upper part is drawn.
+Returns a function that accepts a hairpin grob as an argument
+and draws the stencil based on its coordinates.
+@lilypond[verbatim,quote]
+#(define simple-hairpin
+ (elbowed-hairpin '((1.0 . 1.0)) #t))
+
+\\relative c' {
+ \\override Hairpin #'stencil = #simple-hairpin
+ a\\p\\< a a a\\f
+}
+@end lilypond
+"
+ (define (pair-to-list pair)
+ (list (car pair) (cdr pair)))
+ (define (normalize-coords goods x y)
+ (map
+ (lambda (coord)
+ (cons (* x (car coord)) (* y (cdr coord))))
+ goods))
+ (define (my-c-p-s points thick decresc?)
+ (make-connected-path-stencil
+ points
+ thick
+ (if decresc? -1.0 1.0)
+ 1.0
+ #f
+ #f))
+ ; outer let to trigger suicide
+ (let ((sten (ly:hairpin::print grob)))
+ (if (grob::is-live? grob)
+ (let* ((decresc? (eq? (ly:grob-property grob 'grow-direction) LEFT))
+ (thick (ly:grob-property grob 'thickness 0.1))
+ (thick (* thick (layout-line-thickness grob)))
+ (xex (ly:stencil-extent sten X))
+ (lenx (interval-length xex))
+ (yex (ly:stencil-extent sten Y))
+ (leny (interval-length yex))
+ (xtrans (+ (car xex) (if decresc? lenx 0)))
+ (ytrans (car yex))
+ (uplist (map pair-to-list
+ (normalize-coords coords lenx (/ leny 2))))
+ (downlist (map pair-to-list
+ (normalize-coords coords lenx (/ leny -2)))))
+ (ly:stencil-translate
+ (ly:stencil-add
+ (my-c-p-s uplist thick decresc?)
+ (if mirrored? (my-c-p-s downlist thick decresc?) empty-stencil))
+ (cons xtrans ytrans)))
+ '())))
+
+(define-public flared-hairpin
+ (elbowed-hairpin '((0.95 . 0.4) (1.0 . 1.0)) #t))
+
+(define-public constante-hairpin
+ (elbowed-hairpin '((1.0 . 0.0) (1.0 . 1.0)) #f))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; lyrics
(define-public ((grob::calc-property-by-copy prop) grob)
(ly:event-property (event-cause grob) prop))
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; general inheritance
+
+(define-public ((grob::inherit-parent-property axis property . default) grob)
+ "@var{grob} callback generator for inheriting a @var{property} from
+an @var{axis} parent, defaulting to @var{default} if there is no
+parent or the parent has no setting."
+ (let ((parent (ly:grob-parent grob axis)))
+ (cond
+ ((ly:grob? parent)
+ (apply ly:grob-property parent property default))
+ ((pair? default) (car default))
+ (else '()))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; fret boards
(ly:grob-property grob 'dot-placement-list))))
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; slurs
+
+(define-public slur::height
+ (ly:make-unpure-pure-container
+ ly:slur::height
+ ly:slur::pure-height))
+
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; scripts
(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 ((elements (ly:grob-object me '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))
+ (filter! grob::is-live?
+ (ly:grob-array->list elements))))
(let* ((left-bound (ly:spanner-bound grob LEFT))
(live-elts (live-elements-list grob))
(set! extent (add-point extent
(ly:grob-relative-coordinate
axis-group system Y))))
- (get-extent (cdr lst))))))
+ (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
+
+(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))
+
+(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