;;;;
;;;; 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)
; Create a text molecule
(define-public (tablature-molecule-callback grob)
(let ((molecule (fontify-text
- (ly-get-default-font grob)
- (ly-get-grob-property grob 'text)
+ (ly:get-default-font grob)
+ (ly:get-grob-property grob 'text)
)))
molecule ; return the molecule.
)
; Compute the text grob-property
(define-public (fret-number-tablature-format string tuning pitch)
(number->string
- (- (pitch-semitones pitch)
+ (- (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))
+ (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)))
+ (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)))
+ (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)
+ (let ((x (/ (- (cdr (ly:molecule-get-extent slur 0))
+ (/ (cdr (ly:molecule-get-extent text 0)) 2.0)
)
-2.0)))
- (ly-set-molecule-extent! text 0 (cons x x))
- (ly-align-to! text 0 1)
+ (ly:molecule-set-extent! text 0 (cons x x))
+ (ly:molecule-align-to! text 0 1)
)
-
- (ly-combine-molecule-at-edge slur 1 1 text -0.6)
+
+ (ly:molecule-combine-at-edge slur 1 1 text -0.6)
)
)
)
(let*
(
(mol (callback grob))
- (x-ext (widen-interval (ly-get-molecule-extent mol 0) x-padding))
- (y-ext (widen-interval (ly-get-molecule-extent mol 1) y-padding))
+ (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-combine-molecule-at-edge mol 0 1 y-rule x-padding))
- (set! mol (ly-combine-molecule-at-edge mol 0 -1 y-rule x-padding))
- (set! mol (ly-combine-molecule-at-edge mol 1 1 x-rule 0))
- (set! mol (ly-combine-molecule-at-edge mol 1 -1 x-rule 0))
+ (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 (arg->string arg)
+(define-public (arg->string arg)
(cond ((number? arg) (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)
+(define-public (func name . args)
+ (string-append
+ "(" name
+ (if (null? args)
""
- (apply string-append
+ (apply string-append
(map (lambda (x) (string-append " " (arg->string x))) args)))
")\n"))
-
;;(define (mm-to-pt x)
;; (* (/ 72.27 25.40) x))
;; do nothing in .scm output
-(define (comment s) "")
+(define-public (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")
'(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 ((every-nth-bar-number-visible n) barnum) (= 0 (modulo barnum n)))
+(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))
+ )
+ )
+