;;;;
;;;; source file of the GNU LilyPond music typesetter
;;;;
-;;;; (c) 1998--2001 Jan Nieuwenhuizen <janneke@gnu.org>
+;;;; (c) 1998--2003 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)
- (cons 0.0 1.0)
+(define (tablature-stem-attachment-function style duration)
+ (cons 0.0 0.5) ;; UGH!
)
; The TabNoteHead molecule callback.
; Create a text molecule
-(define (tablature-molecule-callback grob)
+(define-public (tablature-molecule-callback grob)
(let ((molecule (fontify-text
- (ly-get-default-font grob)
- (string-append
- (number->string
- (- (pitch-semitones (ly-get-mus-property (ly-get-grob-property grob 'cause) 'pitch))
- (list-ref
- (ly-get-grob-property grob 'string-tunings)
- (- (ly-get-grob-property grob 'tab-string)
- 1 ; remove 1 because list index starts at 0 and guitar string at 1.
- ))
- )
- )
- )
+ (ly:get-default-font grob)
+ (ly:get-grob-property grob 'text)
)))
molecule ; return the molecule.
)
)
-; end of tablature functions
+; The TabNoteHead tablatureFormat callback.
+; Compute the text grob-property
+(define-public (fret-number-tablature-format string tuning pitch)
+ (number->string
+ (- (ly:pitch-semitones pitch)
+ (list-ref tuning
+ (- string 1) ; remove 1 because list index starts at 0 and guitar string at 1.
+ )
+ )
+ )
+ )
+(define-public (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:molecule-get-extent slur 0))
+ (/ (cdr (ly:molecule-get-extent text 0)) 2.0)
+ )
+ -2.0)))
+
+ (ly:molecule-set-extent! text 0 (cons x x))
+ (ly:molecule-align-to! text 0 1)
+ )
-(define (arg->string arg)
- (cond ((number? arg) (inexact->string arg 10))
- ((string? arg) (string-append "\"" arg "\""))
- ((symbol? arg) (string-append "\"" (symbol->string arg) "\""))))
+ (ly:molecule-combine-at-edge slur 1 1 text -0.6)
+ )
+ )
+ )
-;; 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 guitar-tunings '(4 -1 -5 -10 -15 -20))
+
+; end of tablature functions
+
+
+(define-public (make-molecule-boxer line-thick x-padding y-padding callback)
+ "Makes a routine that adds a box around the grob parsed as argument"
+ (define (molecule-boxer grob)
+ (let*
+ (
+ (mol (callback grob))
+ (x-ext (widen-interval (ly:molecule-get-extent mol 0) x-padding))
+ (y-ext (widen-interval (ly:molecule-get-extent mol 1) y-padding))
+ (x-rule (box-molecule (widen-interval x-ext line-thick)
+ (cons 0 line-thick)))
+ (y-rule (box-molecule (cons 0 line-thick) y-ext))
+ )
+
+ (set! mol (ly:molecule-combine-at-edge mol 0 1 y-rule x-padding))
+ (set! mol (ly:molecule-combine-at-edge mol 0 -1 y-rule x-padding))
+ (set! mol (ly:molecule-combine-at-edge mol 1 1 x-rule 0))
+ (set! mol (ly:molecule-combine-at-edge mol 1 -1 x-rule 0))
+
+ mol
+ ))
+ molecule-boxer
+ )
+
;;(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-public (numbers->string l)
+ (apply string-append (map ly:number->string l)))
; (define (chop-decimal x) (if (< (abs x) 0.001) 0.0 x))
(number->string n8)
(number->string (remainder (- n (+ (* n64 64) (* n8 8))) 8)))))
-(define (inexact->string x radix)
+(define-public (inexact->string x radix)
(let ((n (inexact->exact x)))
(number->string n radix)))
-(define (control->string c)
+(define-public (number-pair->string c)
(string-append (number->string (car c)) " "
(number->string (cdr c)) " "))
;; silly, use alist?
-(define (find-notehead-symbol duration style)
+(define-public (find-notehead-symbol duration style)
(case style
((xcircle) "2xcircle")
((harmonic) "0neo_mensural")
((baroque)
- (string-append (number->string duration)
- (if (< duration 0) "neo_mensural" "")))
- ((mensural) (string-append (number->string duration) (symbol->string style)))
- ((neo_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)
+ (string-append (number->string duration) "neo_mensural")
+ (number->string duration)))
+ ((mensural)
+ (string-append (number->string duration) (symbol->string style)))
+ ((neo_mensural)
+ (string-append (number->string duration) (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 (< duration -1)
+ (string-append (number->string duration) "neo_mensural")
+ (number->string duration)))
(else
- (string-append (number->string (max 0 duration)) (symbol->string style)))))
+ (if (string-match "vaticana*|hufnagel*|medicaea*" (symbol->string style))
+ (symbol->string style)
+ (string-append (number->string (max 0 duration))
+ (symbol->string style))))))
-(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))
((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 (string-encode-integer i)
+
+(define-public (string-encode-integer i)
(cond
((= i 0) "o")
((< i 0) (string-append "n" (string-encode-integer (- i))))
(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:get-context-property tr 'currentBarNumber)))
+ (ly:set-context-property tr 'barNumberVisibility (modulo-bar-number-visible n (modulo bn n))))
+)
+
+(define-public (default-bar-number-visibility barnum) (> barnum 1))
+
+;; See documentation of Item::visibility_lambda_
+(define-public (begin-of-line-visible d) (if (= d 1) '(#f . #f) '(#t . #t)))
+(define-public (end-of-line-visible d) (if (= d -1) '(#f . #f) '(#t . #t)))
+(define-public (spanbar-begin-of-line-invisible d) (if (= d -1) '(#t . #t) '(#f . #f)))
+
+(define-public (all-visible d) '(#f . #f))
+(define-public (all-invisible d) '(#t . #t))
+(define-public (begin-of-line-invisible d) (if (= d 1) '(#t . #t) '(#f . #f)))
+(define-public (end-of-line-invisible d) (if (= d -1) '(#t . #t) '(#f . #f)))
+
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; Bar lines.
+;
+; How should a bar line behave at a break?
+;
+;; Why prepend `default-' to every scm identifier?
+(define-public (default-break-barline glyph dir)
+ (let ((result (assoc glyph
+ '((":|:" . (":|" . "|:"))
+ ("||:" . ("||" . "|:"))
+ ("|" . ("|" . ()))
+ ("||:" . ("||" . "|:"))
+ ("|s" . (() . "|"))
+ ("|:" . ("|" . "|:"))
+ ("|." . ("|." . ()))
+ ;; hmm... should we end with a barline here?
+ (".|" . ("|" . ".|"))
+ (":|" . (":|" . ()))
+ ("||" . ("||" . ()))
+ (".|." . (".|." . ()))
+ ("" . ("" . ""))
+ ("empty" . (() . ()))
+ ("brace" . (() . "brace"))
+ ("bracket" . (() . "bracket"))
+ )
+ )))
+ (if (equal? result #f)
+ (ly:warn (string-append "Unknown bar glyph: `" glyph "'"))
+ (index-cell (cdr result) dir))
+ )
+ )
+