;;;; (c) 1998--2001 Jan Nieuwenhuizen <janneke@gnu.org>
;;;; Han-Wen Nienhuys <hanwen@cs.uu.nl>
+; Tablature functions, by Jiba (jiba@tuxfamily.org)
+
+; The TabNoteHead stem attachment function.
+(define (tablature-stem-attachment-function style duration)
+ (cons 0.0 1.0)
+)
+
+; The TabNoteHead molecule callback.
+; Create a text molecule
+(define (tablature-molecule-callback grob)
+ (let ((molecule (fontify-text
+ (ly-get-default-font grob)
+ (ly-get-grob-property grob 'text)
+ )))
+ molecule ; return the molecule.
+ )
+ )
+
+; The TabNoteHead tablatureFormat callback.
+; Compute the text grob-property
+(define (fret-number-tablature-format string tuning pitch)
+ (number->string
+ (- (pitch-semitones pitch)
+ (list-ref tuning
+ (- string 1) ; remove 1 because list index starts at 0 and guitar string at 1.
+ )
+ )
+ )
+ )
+
+(define (hammer-molecule-callback grob)
+ (let* ((note-collums (ly-get-grob-property grob 'note-columns))
+ (note-column1 (cadr note-collums))
+ (note-column2 (car note-collums))
+ (note1 (car (ly-get-grob-property note-column1 'note-heads)))
+ (note2 (car (ly-get-grob-property note-column2 'note-heads)))
+ (fret1 (string->number (ly-get-grob-property note1 'text)))
+ (fret2 (string->number (ly-get-grob-property note2 'text)))
+ (letter (if (< fret1 fret2) "H"
+ (if (> fret1 fret2) "P"
+ "")))
+ )
+ (let ((slur (Slur::brew_molecule grob))
+ (text (fontify-text (ly-get-default-font grob) letter)))
+
+ (let ((x (/ (- (cdr (ly-get-molecule-extent slur 0))
+ (/ (cdr (ly-get-molecule-extent text 0)) 2.0)
+ )
+ -2.0)))
+
+ (ly-set-molecule-extent! text 0 (cons x x))
+ (ly-align-to! text 0 1)
+ )
+
+ (ly-combine-molecule-at-edge slur 1 1 text -0.6)
+ )
+ )
+ )
+
+
+
+
+; end of tablature functions
+
(define (arg->string arg)
(cond ((number? arg) (inexact->string arg 10))
;; silly, use alist?
(define (find-notehead-symbol duration style)
(case style
- ((xcircle) "2xcircle")
- ((harmonic) "0mensural")
+ ((xcircle) (cons "2xcircle" "music"))
+ ((harmonic) (cons "0neo_mensural" "music"))
((baroque)
- (string-append (number->string duration)
- (if (< duration 0) "mensural" "")))
- ((mensural) (string-append (number->string duration) (symbol->string style)))
- ((default) (number->string duration))
+ ;; 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 (< duration 0)
+ (cons (string-append (number->string duration) "neo_mensural") "ancient")
+ (cons (number->string duration) "music")))
+ ((mensural)
+ (cons (string-append (number->string duration) (symbol->string style))
+ "ancient"))
+ ((neo_mensural)
+ (cons (string-append (number->string duration) (symbol->string style))
+ "ancient"))
+ ((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 (< duration -1)
+ (cons (string-append (number->string duration) "neo_mensural") "ancient")
+ (cons (number->string duration) "music")))
(else
- (string-append (number->string (max 0 duration)) (symbol->string style)))))
+ (cons (string-append (number->string (max 0 duration)) (symbol->string style))
+ "music"))))
-(define (note-head-style->attachment-coordinates style)
+(define (note-head-style->attachment-coordinates style duration)
"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))
+ ((default)
+ (if (< duration -1)
+ '(0.0 . 0.6) ;; neo-mensural
+ '(1.0 . 0.5) ;; default
+ ))
((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))
+ ((triangle) '(0.75 . 0.15))
+ ((baroque)
+ (if (< duration 0)
+ '(0.0 . 0.6) ;; neo-mensural
+ '(1.0 . 0.5) ;; default
+ ))
(else
+
+ ;; this also works for easy notation.
'(1.0 . 0.0)
)))
-
+
+(define (find-timesig-symbol nom denom style)
+ (case style
+ ((mensural)
+ (cons (string-append
+ "mensural"
+ (number->string nom)
+ "/"
+ (number->string denom))
+ "ancient"))
+ ((neo_mensural)
+ (cons (string-append
+ "neo_mensural"
+ (number->string nom)
+ "/"
+ (number->string denom))
+ "ancient"))
+ ((numbered)
+ (cons (string-append
+ (number->string nom)
+ "/"
+ (number->string denom))
+ "music"))
+ (else
+ ;; default: use "C" style when possible, otherwise return ""
+ (cons
+ (case nom
+ ((2)
+ (case denom
+ ((2) "C2/2")
+ (else "")))
+ ((4)
+ (case denom
+ ((4) "C4/4")
+ (else "")))
+ (else ""))
+ "music"))))
+
(define (string-encode-integer i)
(cond
((= i 0) "o")
(string-encode-integer (quotient i 26))))))
-(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))
+
+
projects / lilypond.git / blobdiff