;;;;
;;;; source file of the GNU LilyPond music typesetter
;;;;
-;;;; (c) 1998--2001 Jan Nieuwenhuizen <janneke@gnu.org>
+;;;; (c) 1998--2006 Jan Nieuwenhuizen <janneke@gnu.org>
;;;; Han-Wen Nienhuys <hanwen@cs.uu.nl>
-(define (arg->string arg)
- (cond ((number? arg) (inexact->string arg 10))
+;;; Tablature functions, by Jiba (jiba@tuxfamily.org)
+
+;; The TabNoteHead stem attachment function.
+(define (note-head::calc-tablature-stem-attachment grob)
+ (cons 0.0 1.35))
+
+;; The TabNoteHead tablatureFormat callback.
+;; Compute the text grob-property
+(define-public (fret-number-tablature-format string tuning pitch)
+ (make-whiteout-markup
+ (make-vcenter-markup
+ (number->string
+ (- (ly:pitch-semitones pitch)
+ (list-ref tuning
+ ;; remove 1 because list index starts at 0 and guitar string at 1.
+ (- string 1)))))))
+
+;; The 5-string banjo has got a extra string, the fifth (duh), wich
+;; starts at the fifth fret on the neck. Frets on the fifth string
+;; are referred to relative to the other frets:
+;; the "first fret" on the fifth string is really the sixth fret
+;; on the banjo neck.
+;; We solve this by defining a new fret-number-tablature function:
+(define-public (fret-number-tablature-format-banjo string tuning pitch)
+ (make-whiteout-markup
+ (make-vcenter-markup
+ (let ((fret (- (ly:pitch-semitones pitch) (list-ref tuning (- string 1)))))
+ (number->string (cond
+ ((and (> fret 0) (= string 5))
+ (+ fret 5))
+ (else fret)))))))
+
+
+(define-public guitar-tuning '(4 -1 -5 -10 -15 -20))
+(define-public bass-tuning '(-17 -22 -27 -32))
+
+;; tunings for 5-string banjo
+(define-public banjo-open-g-tuning '(2 -1 -5 -10 7))
+(define-public banjo-c-tuning '(2 -1 -5 -12 7))
+(define-public banjo-modal-tuning '(2 0 -5 -10 7))
+(define-public banjo-open-d-tuning '(2 -3 -6 -10 9))
+(define-public banjo-open-dm-tuning '(2 -3 -6 -10 9))
+;; convert 5-string banjo tunings to 4-string tunings by
+;; removing the 5th string
+;;
+;; example:
+;; \set TabStaff.stringTunings = #(four-string-banjo banjo-open-g-tuning)
+(define-public (four-string-banjo tuning)
+ (reverse (cdr (reverse tuning))))
+
+;;; end of tablature functions
+
+(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 (arg->string arg)
+ (cond ((number? arg) (ly:inexact->string arg 10))
((string? arg) (string-append "\"" arg "\""))
((symbol? arg) (string-append "\"" (symbol->string arg) "\""))))
-;; ugh: naming.
-(define (func name . args)
- (string-append
- "(" name
- (if (null? args)
- ""
- (apply string-append
- (map (lambda (x) (string-append " " (arg->string x))) args)))
- ")\n"))
+(define-public (print-circled-text-callback grob)
+ (let* ((text (ly:grob-property grob 'text))
+
+ (layout (ly:grob-layout grob))
+ (defs (ly:output-def-lookup layout 'text-font-defaults))
+ (props (ly:grob-alist-chain grob defs))
+ (circle (ly:text-interface::interpret-markup
+ layout props (make-circle-markup text))))
+ circle))
;;(define (mm-to-pt x)
;; (* (/ 72.27 25.40) x))
;; do nothing in .scm output
-(define (comment s) "")
-(define (numbers->string l)
- (apply string-append (map ly-number->string l)))
-
-; (define (chop-decimal x) (if (< (abs x) 0.001) 0.0 x))
+(define-public (ly:numbers->string lst)
+ (string-join (map ly:number->string lst) " "))
(define (number->octal-string x)
(let* ((n (inexact->exact x))
(number->string n8)
(number->string (remainder (- n (+ (* n64 64) (* n8 8))) 8)))))
-(define (inexact->string x radix)
+(define-public (ly:inexact->string x radix)
(let ((n (inexact->exact x)))
(number->string n radix)))
-
-(define (control->string c)
- (string-append (number->string (car c)) " "
- (number->string (cdr c)) " "))
-
-(define (font i)
- (string-append
- "font"
- (make-string 1 (integer->char (+ (char->integer #\A) i)))))
-
-(define (scm-scm action-name)
- 1)
+(define-public (ly:number-pair->string c)
+ (string-append (ly:number->string (car c)) " "
+ (ly:number->string (cdr c))))
;; silly, use alist?
-(define (find-notehead-symbol duration style)
- (case style
- ((xcircle) "2xcircle")
- ((harmonic) "0mensural")
- ((baroque)
- (string-append (number->string duration)
- (if (< duration 0) "mensural" "")))
- ((mensural) (string-append (number->string duration) (symbol->string style)))
- ((default) (number->string duration))
- (else
- (string-append (number->string (max 0 duration)) (symbol->string style)))))
-
-
-(define (note-head-style->attachment-coordinates 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
+ ((xcircle) "2xcircle")
+ ((harmonic) "0harmonic")
+ ((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)))
+ ((default)
+ ;; The default font in mf/feta-bolletjes.mf defines a brevis, but
+ ;; neither a longa nor a maxima. Hence let us, for the moment,
+ ;; take these from the neo-mensural font. TODO: mf/feta-bolletjes
+ ;; should define at least a longa for the default font. The longa
+ ;; should look exactly like the brevis of the default font, but
+ ;; with a stem exactly like that of the quarter note. -- jr
+ (if (< log -1)
+ (string-append (number->string log) "neomensural")
+ (number->string log)))
+ (else
+ (if (string-match "vaticana*|hufnagel*|medicaea*" (symbol->string style))
+ (symbol->string style)
+ (string-append (number->string (max 0 log))
+ (symbol->string style)))))))
+
+;; TODO junk completely?
+(define (note-head-style->attachment-coordinates grob axis)
"Return pair (X . Y), containing multipliers for the note head
bounding box, where to attach the stem. e.g.: X==0 means horizontally
centered, X==1 is at the right, X == -1 is at the left."
- (case style
- ((default) '(1.0 . 0.5))
- ((cross) '(1.0 . 0.75))
- ((mensural) '(0.0 . 0.6))
- ((neo_mensural) '(0.0 . 0.6))
- ((diamond) '(1.0 . 0.8))
- ((transparent) '(1.0 . 1.0))
- ((slash) '(1.0 . 1.0))
- ((harmonic) '(1.0 0.0))
- (else
- '(1.0 . 0.0)
- )))
-
-(define (string-encode-integer i)
+ '(1.0 . 0.0))
+
+(define-public (string-encode-integer i)
(cond
((= i 0) "o")
((< i 0) (string-append "n" (string-encode-integer (- i))))
(make-string 1 (integer->char (+ 65 (modulo i 26))))
(string-encode-integer (quotient i 26))))))
+(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))
+
+;; See documentation of ly:item::visibility-lambda-
+(define-public begin-of-line-visible
+ #(#f #f #t))
+(define-public end-of-line-visible
+ #(#t #f #f))
+(define-public end-of-line-invisible
+ #(#f #t #t))
+(define-public spanbar-begin-of-line-invisible
+ #(#t #f #f))
+(define-public all-visible #(#t #t #t))
+(define-public all-invisible #(#f #f #f))
+(define-public begin-of-line-invisible
+ #(#t #t #f))
+(define-public center-invisible #(#t #f #t))
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; Bar lines.
+
+;;
+;; How should a bar line behave at a break?
+;;
+;; Why prepend `default-' to every scm identifier?
+(define-public (bar-line::calc-glyph-name grob)
+ (let* (
+ (glyph (ly:grob-property grob 'glyph))
+ (dir (ly:item-break-dir grob))
+ (result (assoc glyph
+ '((":|:" . (":|" . "|:"))
+ ("||:" . ("||" . "|:"))
+ ("|" . ("|" . ()))
+ ("||:" . ("||" . "|:"))
+ ("|s" . (() . "|"))
+ ("|:" . ("|" . "|:"))
+ ("|." . ("|." . ()))
+
+ ;; hmm... should we end with a bar line here?
+ (".|" . ("|" . ".|"))
+ (":|" . (":|" . ()))
+ ("||" . ("||" . ()))
+ (".|." . (".|." . ()))
+ ("" . ("" . ""))
+ (":" . (":" . ""))
+ ("." . ("." . ()))
+ ("empty" . (() . ()))
+ ("brace" . (() . "brace"))
+ ("bracket" . (() . "bracket")) )))
+ (glyph-name (if (= dir CENTER)
+ glyph
+ (if (and result (string? (index-cell (cdr result) dir)))
+ (index-cell (cdr result) dir)
+ #f)))
+ )
+
+ (if (not glyph-name)
+ (ly:grob-suicide! grob))
+
+ glyph-name))
+
+
+(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)))
+
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; Color
+
+(define-public color? list?)
+
+; 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 '(1.0 1.0 0.0))
+(define-public magenta '(1.0 0.0 1.0))
+(define-public yellow '(0.0 1.0 1.0))
+
+(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 '(0.5 0.5 0.0))
+(define-public darkmagenta '(0.5 0.0 0.5))
+(define-public darkyellow '(0.0 0.5 0.5))
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; * Pitch Trill Heads
+;; * Parentheses
+
+(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))
+
+ (font (ly:grob-default-font grob))
+ (lp (ly:font-get-glyph font "accidentals.leftparen"))
+ (rp (ly:font-get-glyph font "accidentals.rightparen"))
+ (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 (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)
-(define (tex-encoded-fontswitch name-mag)
- (let* ((iname-mag (car name-mag))
- (ename-mag (cdr name-mag)))
- (cons iname-mag
- (cons ename-mag
- (string-append "magfont"
- (string-encode-integer
- (hashq (car ename-mag) 1000000))
- "m"
- (string-encode-integer
- (inexact->exact (* 1000 (cdr ename-mag)))))))))
-
-(define (define-fonts internal-external-name-mag-pairs)
- (set! font-name-alist (map tex-encoded-fontswitch
- internal-external-name-mag-pairs))
- (apply string-append
- (map (lambda (x)
- (font-load-command (car x) (cdr x)))
- (map cdr font-name-alist))))
-
-(define (fontify name-mag-pair exp)
- (string-append (select-font name-mag-pair)
- exp))
+ value)