+
+(define (arg->string arg)
+ (cond ((number? arg) (inexact->string arg 10))
+ ((string? arg) (string-append "\"" arg "\""))
+ ((symbol? arg) (string-append "\"" (symbol->string arg) "\""))))
+
+(define (func name . args)
+ (string-append
+ "(" name
+ (if (null? args)
+ ""
+ (apply string-append
+ (map (lambda (x) (string-append " " (arg->string x))) args)))
+ ")\n"))
+
+(define (sign x)
+ (if (= x 0)
+ 1
+ (inexact->exact (/ x (abs x)))))
+
+;;;; AsciiScript as
+(define (as-scm action-name)
+
+ (define (beam width slope thick)
+ (string-append
+ (func "set-line-char" "#")
+ (func "rline-to" width (* width slope))
+ ))
+
+ ; simple flat slurs
+ (define (bezier-sandwich l thick)
+ (let (
+ (c0 (cadddr l))
+ (c1 (cadr l))
+ (c3 (caddr l)))
+ (let* ((x (car c0))
+ (dx (- (car c3) x))
+ (dy (- (cdr c3) (cdr c0)))
+ (rc (/ dy dx))
+ (c1-dx (- (car c1) x))
+ (c1-line-y (+ (cdr c0) (* c1-dx rc)))
+ (dir (if (< c1-line-y (cdr c1)) 1 -1))
+ (y (+ -1 (* dir (max (* dir (cdr c0)) (* dir (cdr c3)))))))
+ (string-append
+ (func "rmove-to" x y)
+ (func "put" (if (< 0 dir) "/" "\\\\"))
+ (func "rmove-to" 1 (if (< 0 dir) 1 0))
+ (func "set-line-char" "_")
+ (func "h-line" (- dx 1))
+ (func "rmove-to" (- dx 1) (if (< 0 dir) -1 0))
+ (func "put" (if (< 0 dir) "\\\\" "/"))))))
+
+ (define (bracket arch_angle arch_width arch_height width height arch_thick thick)
+ (string-append
+ (func "rmove-to" (+ width 1) (- (/ height -2) 1))
+ (func "put" "\\\\")
+ (func "set-line-char" "|")
+ (func "rmove-to" 0 1)
+ (func "v-line" (+ height 1))
+ (func "rmove-to" 0 (+ height 1))
+ (func "put" "/")
+ ))
+
+ (define (char i)
+ (func "char" i))
+
+ (define (end-output)
+ (func "end-output"))
+
+ (define (experimental-on)
+ "")
+
+ (define (filledbox breapth width depth height)
+ (let ((dx (+ width breapth))
+ (dy (+ depth height)))
+ (string-append
+ (func "rmove-to" (* -1 breapth) (* -1 depth))
+ (if (< dx dy)
+ (string-append
+ (func "set-line-char"
+ (if (<= dx 1) "|" "#"))
+ (func "v-line" dy))
+ (string-append
+ (func "set-line-char"
+ (if (<= dy 1) "-" "="))
+ (func "h-line" dx))))))
+
+ (define (font-load-command name-mag command)
+ (func "load-font" (car name-mag) (magstep (cdr name-mag))))
+
+ (define (header creator generate)
+ (func "header" creator generate))
+
+ (define (header-end)
+ (func "header-end"))
+
+ ;; urg: this is good for half of as2text's execution time
+ (define (xlily-def key val)
+ (string-append "(define " key " " (arg->string val) ")\n"))
+
+ (define (lily-def key val)
+ (if
+ (or (equal? key "mudelapaperlinewidth")
+ (equal? key "mudelapaperstaffheight"))
+ (string-append "(define " key " " (arg->string val) ")\n")
+ ""))
+
+ (define (placebox x y s)
+ (let ((ey (inexact->exact y)))
+ (string-append "(move-to " (number->string (inexact->exact x)) " "
+ (if (= 0.5 (- (abs y) (abs ey)))
+ (number->string y)
+ (number->string ey))
+ ")\n" s)))
+
+ (define (select-font font-name-symbol)
+ (let* ((c (assoc font-name-symbol font-name-alist)))
+ (if (eq? c #f)
+ (begin
+ (ly-warn
+ (string-append
+ "Programming error: No such font known "
+ (car font-name-symbol)))
+ "") ; issue no command
+ (func "select-font" (car font-name-symbol)))))
+
+ (define (start-line height)
+ (func "start-line" height))
+
+ (define (stop-line)
+ (func "stop-line"))
+
+ (define (text s)
+ (func "text" s))
+
+ (define (volta h w thick vert-start vert-end)
+ ;; urg
+ (string-append
+ (func "set-line-char" "|")
+ (func "rmove-to" 0 -4)
+ ;; definition strange-way around
+ (if (= 0 vert-start)
+ (func "v-line" h)
+ "")
+ (func "rmove-to" 1 h)
+ (func "set-line-char" "_")
+ (func "h-line" (- w 1))
+ (func "set-line-char" "|")
+ (if (= 0 vert-end)
+ (string-append
+ (func "rmove-to" (- w 1) (* -1 h))
+ (func "v-line" (* -1 h)))
+ "")))
+
+ (cond ((eq? action-name 'all-definitions)
+ `(begin
+ (define beam ,beam)
+ (define bracket ,bracket)
+ (define char ,char)
+ ;;(define crescendo ,crescendo)
+ (define bezier-sandwich ,bezier-sandwich)
+ ;;(define dashed-slur ,dashed-slur)
+ ;;(define decrescendo ,decrescendo)
+ (define end-output ,end-output)
+ (define experimental-on ,experimental-on)
+ (define filledbox ,filledbox)
+ ;;(define font-def ,font-def)
+ (define font-load-command ,font-load-command)
+ ;;(define font-switch ,font-switch)
+ (define header ,header)
+ (define header-end ,header-end)
+ (define lily-def ,lily-def)
+ ;;(define invoke-char ,invoke-char)
+ ;;(define invoke-dim1 ,invoke-dim1)
+ (define placebox ,placebox)
+ (define select-font ,select-font)
+ (define start-line ,start-line)
+ ;;(define stem ,stem)
+ (define stop-line ,stop-line)
+ (define stop-last-line ,stop-line)
+ (define text ,text)
+ ;;(define tuplet ,tuplet)
+ (define volta ,volta)
+ ))
+ ;;((eq? action-name 'tuplet) tuplet)
+ ;;((eq? action-name 'beam) beam)
+ ;;((eq? action-name 'bezier-sandwich) bezier-sandwich)
+ ;;((eq? action-name 'bracket) bracket)
+ ((eq? action-name 'char) char)
+ ;;((eq? action-name 'crescendo) crescendo)
+ ;;((eq? action-name 'dashed-slur) dashed-slur)
+ ;;((eq? action-name 'decrescendo) decrescendo)
+ ;;((eq? action-name 'experimental-on) experimental-on)
+ ((eq? action-name 'filledbox) filledbox)
+ ((eq? action-name 'select-font) select-font)
+ ;;((eq? action-name 'volta) volta)
+ (else (error "unknown tag -- MUSA-SCM " action-name))
+ )
+ )
+
+
+(define (gulp-file name)
+ (let* ((port (open-file name "r"))
+ (content (let loop ((text ""))
+ (let ((line (read-line port)))
+ (if (or (eof-object? line)
+ (not line))
+ text
+ (loop (string-append text line "\n")))))))
+ (close port)
+ content))
+
+(define (scm-gulp-file name)
+ (set! %load-path
+ (cons (string-append
+ (getenv 'LILYPONDPREFIX) "/ps") %load-path))
+ (let ((path (%search-load-path name)))
+ (if path
+ (gulp-file path)
+ (gulp-file name))))
+
+(define (scm-tex-output)
+ (eval (tex-scm 'all-definitions)))
+
+(define (scm-ps-output)
+ (eval (ps-scm 'all-definitions)))
+
+(define (scm-as-output)
+ (eval (as-scm 'all-definitions)))
+