X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=scm%2Foutput-lib.scm;h=b31d0bed133e757eea1f0eb62a2c1533e9a6b8a8;hb=82fe2552ab4b520ffcf8b769a669dcd5f919e9b0;hp=8db3a6f1f6ac689a7e20f0ef15f63fa002982ce9;hpb=fd8ed70c80d71a3bc6e0e62cc86a3659e23eb0a2;p=lilypond.git diff --git a/scm/output-lib.scm b/scm/output-lib.scm index 8db3a6f1f6..b31d0bed13 100644 --- a/scm/output-lib.scm +++ b/scm/output-lib.scm @@ -2,67 +2,60 @@ ;;;; ;;;; source file of the GNU LilyPond music typesetter ;;;; -;;;; (c) 1998--2001 Jan Nieuwenhuizen +;;;; (c) 1998--2004 Jan Nieuwenhuizen ;;;; Han-Wen Nienhuys ; Tablature functions, by Jiba (jiba@tuxfamily.org) ; The TabNoteHead stem attachment function. (define (tablature-stem-attachment-function style duration) - (cons 0.0 0.5) ;; UGH! -) - -; The TabNoteHead molecule callback. -; 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) - ))) - molecule ; return the molecule. - ) - ) + (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 - (- (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)) +(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-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" - ""))) + (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::brew_molecule grob)) - (text (fontify-text (ly-get-default-font grob) letter))) + (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-get-molecule-extent slur 0)) - (/ (cdr (ly-get-molecule-extent text 0)) 2.0) + (let ((x (/ (- (cdr (ly:stencil-extent slur 0)) + (/ (cdr (ly:stencil-extent text 0)) 2.0) ) -2.0))) - (ly-set-molecule-extent! text 0 (cons x x)) - (ly-align-to! text 0 1) + (ly:stencil-set-extent! text 0 (cons x x)) + (ly:stencil-align-to! text 0 1) ) - - (ly-combine-molecule-at-edge slur 1 1 text -0.6) - ) - ) - ) + + (ly:stencil-combine-at-edge slur 1 1 text -0.6) + ) ) ) @@ -71,56 +64,51 @@ ; end of tablature functions -(define-public (make-molecule-boxer line-thick x-padding y-padding callback) +(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 (molecule-boxer grob) + (define (stencil-boxer grob) (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-rule (box-molecule (widen-interval x-ext line-thick) + (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 (box-molecule (cons 0 line-thick) y-ext)) + (y-rule (make-filled-box-stencil (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: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 )) - molecule-boxer + stencil-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 (chop-decimal x) (if (< (abs x) 0.001) 0.0 x)) +(define-public (numbers->string lst) + (apply string-append (map ly:number->string lst))) (define (number->octal-string x) (let* ((n (inexact->exact x)) @@ -131,14 +119,14 @@ (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) - (string-append (number->string (car c)) " " - (number->string (cdr c)) " ")) +(define-public (number-pair->string c) + (string-append (ly:number->string (car c)) " " + (ly:number->string (cdr c)) " ")) (define (font i) (string-append @@ -150,10 +138,10 @@ ;; silly, use alist? -(define (find-notehead-symbol duration style) +(define-public (find-notehead-symbol duration style) (case style ((xcircle) "2xcircle") - ((harmonic) "0neo_mensural") + ((harmonic) "0harmonic") ((baroque) ;; Oops, I actually would not call this "baroque", but, for ;; backwards compatibility to 1.4, this is supposed to take @@ -183,37 +171,16 @@ (symbol->string style)))))) -(define (note-head-style->attachment-coordinates style duration) +;; 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) - (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 (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)))) @@ -222,6 +189,66 @@ centered, X==1 is at the right, X == -1 is at the left." (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: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 barline 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) + ))