-;;;; 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--2010 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/>.
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(ly:text-interface::interpret-markup layout props text)))
-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-;; 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))))))))
-
-
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; note heads
((= log -1) 1)
(else 0))))
-;; silly, use alist?
+;; 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))))
+ ((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))))))
+
(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)
-
-
-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-;; 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)
+ (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)))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
("'" . ("'" . ()))
("empty" . (() . ()))
("brace" . (() . "brace"))
- ("bracket" . (() . "bracket"))))
+ ("bracket" . (() . "bracket"))
+
+ ;; segno bar lines
+ ("S" . ("||" . "S"))
+ ("|S" . ("|" . "S"))
+ ("S|" . ("S" . ()))
+ (":|S" . (":|" . "S"))
+ (":|S." . (":|S" . ()))
+ ("S|:" . ("S" . "|:"))
+ (".S|:" . ("|" . "S|:"))
+ (":|S|:" . (":|" . "S|:"))
+ (":|S.|:" . (":|S" . "|:"))))
(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))
+ (result (assoc-get glyph bar-glyph-alist))
(glyph-name (if (= dir CENTER)
glyph
(if (and result
- (string? (index-cell (cdr result) dir)))
- (index-cell (cdr result) dir)
+ (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 glyph bar-glyph-alist)))
+ (result (assoc-get glyph bar-glyph-alist)))
(if result
- (vector (string? (cadr result)) #t (string? (cddr result)))
+ (vector (string? (car result)) #t (string? (cdr result)))
all-invisible)))
(define-public (shift-right-at-line-begin g)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; 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
(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)
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
(if (and (pair? live-elts)
(interval-sane? (ly:grob-extent grob system Y)))
- (begin
- (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)))))
- (+
- (ly:self-alignment-interface::y-aligned-on-self grob)
- (interval-center extent)))
+ (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: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))
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