;;;;
;;;; source file of the GNU LilyPond music typesetter
;;;;
-;;;; (c) 1998--2001 Jan Nieuwenhuizen <janneke@gnu.org>
+;;;; (c) 1998--2004 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 (tablature-stem-attachment-function style duration)
+ (cons 0.0 0.5))
+
+
+; 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-print-function grob)
+ (let* ((note-collums (ly:grob-property grob 'note-columns))
+ (note-column1 (cadr note-collums))
+ (note-column2 (car note-collums))
+ (note1 (car (ly:grob-property note-column1 'note-heads)))
+ (note2 (car (ly:grob-property note-column2 'note-heads)))
+ (text1 (ly:grob-property note1 'text))
+ (text2 (ly:grob-property note2 'text))
+ (fret1 (if (string? text1) (string->number text1) 0))
+ (fret2 (if (string? text2) (string->number text2) 0))
+ (letter (cond
+ ((< fret1 fret2) "H")
+ ((> fret1 fret2) "P")
+ (else "")))
+
+ )
+ (let* ((slur (Slur::print grob))
+ (paper (ly:grob-paper grob))
+ (text (interpret-markup
+ paper
+ (ly:grob-alist-chain grob (ly:paper-lookup paper 'text-font-defaults))
+ letter)))
+
+ (let ((x (/ (- (cdr (ly:stencil-extent slur 0))
+ (/ (cdr (ly:stencil-extent text 0)) 2.0)
+ )
+ -2.0)))
+
+ (ly:stencil-set-extent! text 0 (cons x x))
+ (ly:stencil-align-to! text 0 1)
+ )
+
+ (ly:stencil-combine-at-edge slur 1 1 text -0.6)
+ ) ) )
+
+
+
+(define-public guitar-tunings '(4 -1 -5 -10 -15 -20))
+
+; end of tablature functions
+
+
+(define-public (make-stencil-boxer line-thick x-padding y-padding callback)
+ "Makes a routine that adds a box around the grob parsed as argument"
+ (define (stencil-boxer grob)
+ (let*
+ (
+ (mol (callback grob))
+ (x-ext (interval-widen (ly:stencil-extent mol 0) x-padding))
+ (y-ext (interval-widen (ly:stencil-extent mol 1) y-padding))
+ (x-rule (make-filled-box-stencil (interval-widen x-ext line-thick)
+ (cons 0 line-thick)))
+ (y-rule (make-filled-box-stencil (cons 0 line-thick) y-ext))
+ )
+
+ (set! mol (ly:stencil-combine-at-edge mol 0 1 y-rule x-padding))
+ (set! mol (ly:stencil-combine-at-edge mol 0 -1 y-rule x-padding))
+ (set! mol (ly:stencil-combine-at-edge mol 1 1 x-rule 0))
+ (set! mol (ly:stencil-combine-at-edge mol 1 -1 x-rule 0))
+
+ mol
+ ))
+ stencil-boxer
+ )
+
+(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)
+(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 (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-public (ly:number-pair->string c)
+ (string-append (ly:number->string (car c)) " "
+ (ly:number->string (cdr c))))
(define (font i)
(string-append
;; silly, use alist?
-(define (find-notehead-symbol duration style)
+(define-public (find-notehead-symbol duration style)
(case style
((xcircle) "2xcircle")
- ((harmonic) "0mensural")
+ ((harmonic) "0harmonic")
((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)
+ (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)
+;; 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))))
(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 (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 bar line here?
+ (".|" . ("|" . ".|"))
+ (":|" . (":|" . ()))
+ ("||" . ("||" . ()))
+ (".|." . (".|." . ()))
+ ("" . ("" . ""))
+ (":" . (":" . ""))
+ ("empty" . (() . ()))
+ ("brace" . (() . "brace"))
+ ("bracket" . (() . "bracket"))
+ )
+ )))
+
+ (if (equal? result #f)
+ (ly:warn (string-append "Unknown bar glyph: `" glyph "'"))
+ (index-cell (cdr result) dir))
+ ) )
+
+
+
+(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)
+ ))
projects / lilypond.git / blobdiff