; (c) 1998 Jan Nieuwenhuizen <janneke@gnu.org>
+;
+; This file contains various routines in Scheme that are easier to
+; do here than in C++. At present it is an unorganised mess. Sorry.
+;
+
+
;(debug-enable 'backtrace)
;;; library funtions
-(define
- (xnumbers->string l)
- (string-append
- (map (lambda (n) (string-append (number->string n ) " ")) l)))
+
+(use-modules (ice-9 regex))
+
+;; The regex module may not be available, or may be broken.
+;; If you have trouble with regex, define #f
+;;(define use-regex #t)
+;;(define use-regex #f)
+
+(define use-regex
+ (let ((os (string-downcase (vector-ref (uname) 0))))
+ (not (equal? "cygwin" (substring os 0 (min 6 (string-length os)))))))
+
+;; do nothing in .scm output
+(define (comment s) "")
+
+(define (mm-to-pt x)
+ (* (/ 72.27 25.40) x)
+ )
+
+(define (cons-map f x)
+ (cons (f (car x)) (f (cdr x))))
(define (reduce operator list)
(if (null? (cdr list)) (car list)
)
-(define (glue-2-strings a b) (string-append a " " b))
-
-(define
- (numbers->string l)
- (reduce glue-2-strings (map number->string l)))
+(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 (chop-decimal x) (if (< (abs x) 0.001) 0.0 x))
(define (number->octal-string x)
(let* ((n (inexact->exact x))
(number->string n radix)))
-(define
- (control->string c)
- (string-append
- (string-append (number->string (car c)) " ")
- (string-append (number->string (cadr c)) " ")))
+(define (control->string c)
+ (string-append (number->string (car c)) " "
+ (number->string (cdr c)) " "))
-(define
- (font i)
+(define (font i)
(string-append
"font"
(make-string 1 (integer->char (+ (char->integer #\A) i)))
;; See documentation of Item::visibility_lambda_
-(define (postbreak_only_visibility d) (if (= d 1) '(#f . #f) '(#t . #t)))
-(define (spanbar_non_postbreak_visibility d) (if (= d -1) '(#t . #t) '(#f . #f)))
-
-(define (non_postbreak_visibility d) (if (= d 1) '(#t . #t) '(#f . #f)))
-(define (non_prebreak_visibility d) (if (= d -1) '(#t . #t) '(#f . #f)))
+(define (begin-of-line-visible d) (if (= d 1) '(#f . #f) '(#t . #t)))
+(define (spanbar-begin-of-line-invisible d) (if (= d -1) '(#t . #t) '(#f . #f)))
+(define (all-visible d) '(#f . #f))
+(define (all-invisible d) '(#t . #t))
+(define (begin-of-line-invisible d) (if (= d 1) '(#t . #t) '(#f . #f)))
+(define (end-of-line-invisible d) (if (= d -1) '(#t . #t) '(#f . #f)))
-;; Score_span_bars are only visible at start of line
-;; i.e. if break_dir == RIGHT == 1
-(define Span_bar_engraver_visibility non_postbreak_visibility)
-(define mark-visibility non_prebreak_visibility)
-(define Span_score_bar_engraver_visibility postbreak_only_visibility)
-(define Piano_bar_engraver_visibility postbreak_only_visibility)
-(define Staff_group_bar_engraver_visibility postbreak_only_visibility)
+(define mark-visibility end-of-line-invisible)
;; Spacing constants for prefatory matter.
;;
;;
;;
+;; (Measured in staff space)
(define space-alist
'(
- (("" "Clef_item") . (minimum_space 1.0))
- (("" "Staff_bar") . (minimum_space 0.0))
- (("" "Clef_item") . (minimum_space 1.0))
- (("" "Key_item") . (minimum_space 0.5))
- (("" "Span_bar") . (extra_space 0.0))
- (("" "Time_signature") . (extra_space 0.0))
- (("" "begin-of-note") . (minimum_space 1.5))
- (("Clef_item" "Key_item") . (minimum_space 3.5))
- (("Key_item" "Time_signature") . (extra_space 2.0))
- (("Clef_item" "Time_signature") . (minimum_space 3.5))
- (("Staff_bar" "Clef_item") . (minimum_space 1.0))
- (("Clef_item" "Staff_bar") . (minimum_space 3.7))
- (("Time_signature" "Staff_bar") . (minimum_space 2.0))
- (("Key_item" "Staff_bar") . (extra_space 1.0))
- (("Span_bar" "Clef_item") . (extra_space 1.0))
- (("Clef_item" "Span_bar") . (minimum_space 3.7))
- (("Time_signature" "Span_bar") . (minimum_space 2.0))
- (("Key_item" "Span_bar") . (minimum_space 2.5))
- (("Staff_bar" "Time_signature") . (minimum_space 2.0))
- (("Time_signature" "begin-of-note") . (extra_space 1.0)) ; Huh? see twinkle.ly
- (("Key_item" "begin-of-note") . (extra_space 2.5))
- (("Staff_bar" "begin-of-note") . (extra_space 1.0))
- (("Clef_item" "begin-of-note") . (minimum_space 5.0))
- (("" "Breathing_sign") . (minimum_space 0.0))
- (("Breathing_sign" "Key_item") . (minimum_space 1.5))
- (("Breathing_sign" "begin-of-note") . (minimum_space 1.0))
- (("Breathing_sign" "Staff_bar") . (minimum_space 1.5))
- (("Breathing_sign" "Clef_item") . (minimum_space 2.0))
+ ((none Instrument_name) . (extra-space 1.0))
+ ((Instrument_name Left_edge_item) . (extra-space 1.0))
+ ((Left_edge_item Clef_item) . (extra-space 1.0))
+ ((Left_edge_item Key_item) . (extra-space 0.0))
+ ((Left_edge_item begin-of-note) . (extra-space 1.0))
+ ((none Left_edge_item) . (extra-space 0.0))
+ ((Left_edge_item Staff_bar) . (extra-space 0.0))
+; ((none Left_edge_item) . (extra-space -15.0))
+; ((none Left_edge_item) . (extra-space -15.0))
+ ((none Clef_item) . (minimum-space 1.0))
+ ((none Staff_bar) . (minimum-space 0.0))
+ ((none Clef_item) . (minimum-space 1.0))
+ ((none Key_item) . (minimum-space 0.5))
+ ((none Time_signature) . (extra-space 0.0))
+ ((none begin-of-note) . (minimum-space 1.5))
+ ((Clef_item Key_item) . (minimum-space 4.0))
+ ((Key_item Time_signature) . (extra-space 1.0))
+ ((Clef_item Time_signature) . (minimum-space 3.5))
+ ((Staff_bar Clef_item) . (minimum-space 1.0))
+ ((Clef_item Staff_bar) . (minimum-space 3.7))
+ ((Time_signature Staff_bar) . (minimum-space 2.0))
+ ((Key_item Staff_bar) . (extra-space 1.0))
+ ((Staff_bar Time_signature) . (minimum-space 1.5)) ;double check this.
+ ((Time_signature begin-of-note) . (extra-space 2.0)) ;double check this.
+ ((Key_item begin-of-note) . (extra-space 2.5))
+ ((Staff_bar begin-of-note) . (extra-space 1.0))
+ ((Clef_item begin-of-note) . (minimum-space 5.0))
+ ((none Breathing_sign) . (minimum-space 0.0))
+ ((Breathing_sign Key_item) . (minimum-space 1.5))
+ ((Breathing_sign begin-of-note) . (minimum-space 1.0))
+ ((Breathing_sign Staff_bar) . (minimum-space 1.5))
+ ((Breathing_sign Clef_item) . (minimum-space 2.0))
)
)
-
-
-
-(define (break-align-spacer this next)
- (let ((entry (assoc `(,this ,next) space-alist)))
- (if entry
- (cdr entry)
- (begin (ly-warn (string-append "Unknown spacing pair `" this "', `" next "'"))
- '(minimum_space 0.0)))))
-
-
+
+(define (find-notehead-symbol duration style)
+ (case style
+ ((cross) "2cross")
+ ((harmonic) "0mensural")
+ ((baroque)
+ (string-append (number->string duration)
+ (if (< duration 0) "mensural" "")))
+ ((default) (number->string duration))
+ (else
+ (string-append (number->string duration) (symbol->string style)))))
+
;;;;;;;; TeX
+;; this is silly, can't we use something like
+;; roman-0, roman-1 roman+1 ?
(define cmr-alist
'(("bold" . "cmbx")
+ ("brace" . "feta-braces")
+ ("default" . "cmr10")
("dynamic" . "feta-din")
- ("finger" . "feta-nummer")
+ ("feta" . "feta")
+ ("feta-1" . "feta")
+ ("feta-2" . "feta")
("typewriter" . "cmtt")
("italic" . "cmti")
+ ("msam" . "msam")
("roman" . "cmr")
+ ("script" . "cmr")
("large" . "cmbx")
("Large" . "cmbx")
("mark" . "feta-nummer")
+ ("finger" . "feta-nummer")
+ ("timesig" . "feta-nummer")
("number" . "feta-nummer")
("volta" . "feta-nummer"))
)
-(define script-alist '())
-(define (articulation-to-scriptdef a)
- (assoc a script-alist)
+(define (string-encode-integer i)
+ (cond
+ ((= i 0) "o")
+ ((< i 0) (string-append "n" (string-encode-integer (- i))))
+ (else (string-append
+ (make-string 1 (integer->char (+ 65 (modulo i 26))))
+ (string-encode-integer (quotient i 26))
+ )
+ )
+ )
)
-;; Map style names to TeX font names. Return false if
-;; no font name found.
-(define (style-to-cmr s)
- (assoc s cmr-alist )
+(define (magstep i)
+ (cdr (assoc i '((-4 . 482)
+ (-3 . 579)
+ (-2 . 694)
+ (-1 . 833)
+ (0 . 1000)
+ (1 . 1200)
+ (2 . 1440)
+ (3 . 1728)
+ (4 . 2074))
+ )
+ )
)
+
+(define script-alist '())
+(define font-name-alist '())
+(define (font-command name-mag)
+ (cons name-mag
+ (string-append "magfont"
+ (string-encode-integer (hashq (car name-mag) 1000000))
+ "m"
+ (string-encode-integer (cdr name-mag)))
-(define (tex-scm action-name)
+ )
+ )
+(define (define-fonts names)
+ (set! font-name-alist (map font-command names))
+ (apply string-append
+ (map (lambda (x)
+ (font-load-command (car x) (cdr x))) font-name-alist)
+ ))
+
+(define (fontify name exp)
+ (string-append (select-font name)
+ exp)
+ )
+
+;;;;;;;;;;;;;;;;;;;;
+
+; Make a function that checks score element for being of a specific type.
+(define (make-type-checker name)
+ (lambda (elt)
+ (not (not (memq name (ly-get-elt-property elt 'interfaces))))))
+
+
+;;;;;;;;;;;;;;;;;;; TeX output
+(define (tex-scm action-name)
(define (unknown)
"%\n\\unknown%\n")
- (define font-alist '())
- (define font-count 0)
- (define current-font "")
- (define (clear-fontcache)
- (begin
- (set! font-alist '())
- (set! font-count 0)
- (set! current-font "")))
-
- (define (cached-fontname i)
- (string-append
- "\\lilyfont"
- (make-string 1 (integer->char (+ 65 i)))))
-
- (define (select-font font-name)
- (if (not (equal? font-name current-font))
+
+ (define (select-font font-name-symbol)
+ (let*
+ (
+ (c (assoc font-name-symbol font-name-alist))
+ )
+
+ (if (eq? c #f)
(begin
- (set! current-font font-name)
- (define font-cmd (assoc font-name font-alist))
- (if (eq? font-cmd #f)
- (begin
- (set! font-cmd (cached-fontname font-count))
- (set! font-alist (acons font-name font-cmd font-alist))
- (set! font-count (+ 1 font-count))
- (if (equal? font-name "")
- (error "Empty fontname -- SELECT-FONT"))
- (string-append "\\font" font-cmd "=" font-name font-cmd))
- (cdr font-cmd)))
- "" ;no switch needed
- ))
+ (ly-warn (string-append
+ "Programming error: No such font known " (car font-name-symbol)))
+ "") ; issue no command
+ (string-append "\\" (cdr c)))
+
+
+ ))
(define (beam width slope thick)
(embedded-ps ((ps-scm 'beam) width slope thick)))
- (define (bracket h)
- (embedded-ps ((ps-scm 'bracket) h)))
+ (define (bracket arch_angle arch_width arch_height width height arch_thick thick)
+ (embedded-ps ((ps-scm 'bracket) arch_angle arch_width arch_height width height arch_thick thick)))
(define (dashed-slur thick dash l)
(embedded-ps ((ps-scm 'dashed-slur) thick dash l)))
- (define (crescendo w h cont)
- (embedded-ps ((ps-scm 'crescendo) w h cont)))
+ (define (crescendo thick w h cont)
+ (embedded-ps ((ps-scm 'crescendo) thick w h cont)))
(define (char i)
- (string-append "\\show{" (inexact->string i 10) "}"))
+ (string-append "\\char" (inexact->string i 10) " "))
- (define (decrescendo w h cont)
- (embedded-ps ((ps-scm 'decrescendo) w h cont)))
+ (define (dashed-line thick dash w)
+ (embedded-ps ((ps-scm 'dashed-line) thick dash w)))
+
+ (define (decrescendo thick w h cont)
+ (embedded-ps ((ps-scm 'decrescendo) thick w h cont)))
+
+ (define (font-load-command name-mag command)
+ (string-append
+ "\\font\\" command "="
+ (symbol->string (car name-mag))
+ " scaled "
+ (number->string (magstep (cdr name-mag)))
+ "\n"))
(define (embedded-ps s)
(string-append "\\embeddedps{" s "}"))
+ (define (comment s)
+ (string-append "% " s))
+
(define (end-output)
- "\n\\EndLilyPondOutput")
+ (string-append "\n\\EndLilyPondOutput"
+ ; Put GC stats here.
+ ))
(define (experimental-on)
- "\\turnOnExperimentalFeatures")
+ "")
(define (font-switch i)
(string-append
(string-append
"\\font" (font-switch i) "=" s "\n"))
- (define (generalmeter num den)
- (string-append
- "\\generalmeter{" (number->string (inexact->exact num)) "}{" (number->string (inexact->exact den)) "}"))
+ (define (header-end)
+ (string-append
+ "\\special{! "
- (define (header-end) "\\turnOnPostScript")
+ ;; URG: ly-gulp-file: now we can't use scm output without Lily
+ (if use-regex
+ ;; fixed in 1.3.4 for powerpc -- broken on Windows
+ (regexp-substitute/global #f "\n"
+ (ly-gulp-file "lily.ps") 'pre " %\n" 'post)
+ (ly-gulp-file "lily.ps"))
+ "}"
+ "\\input lilyponddefs \\turnOnPostScript"))
(define (header creator generate)
(string-append
;;
;; need to do something to make this really safe.
;;
- (if security-paranoia
- (define (output-tex-string s)
- (regexp-substitute/global #f "\\\\" s 'pre "$\\backslash$" 'post))
- (define (output-tex-string s) s))
-
+ (define (output-tex-string s)
+ (if security-paranoia
+ (if use-regex
+ (regexp-substitute/global #f "\\\\" s 'pre "$\\backslash$" 'post)
+ (begin (display "warning: not paranoid") (newline) s))
+ s))
+
(define (lily-def key val)
(string-append
- "\\def\\" (output-tex-string key) "{" (output-tex-string val) "}\n"))
+ "\\def\\"
+ (if use-regex
+ ;; fixed in 1.3.4 for powerpc -- broken on Windows
+ (regexp-substitute/global #f "_"
+ (output-tex-string key) 'pre "X" 'post)
+ (output-tex-string key))
+ "{" (output-tex-string val) "}\n"))
(define (number->dim x)
(string-append
- (number->string (chop-decimal x)) " pt "))
+ (ly-number->string x) " pt "))
(define (placebox x y s)
(string-append
"\\placebox{"
- (number->dim y) "}{" (number->dim x) "}{" s "}"))
-
- (define (pianobrace y)
- (define step 1.0)
- (define minht (* 2 mudelapaperstaffheight))
- (define maxht (* 7 minht))
- (string-append
- "{\\bracefont " (char (max
- 0
- (/ (- (min y (- maxht step)) minht) step))) "}"))
-
-
-
- (define (rulesym h w)
- (string-append
- "\\vrule height " (number->dim (/ h 2))
- " depth " (number->dim (/ h 2))
- " width " (number->dim w)
- )
- )
-
- (define (bezier-sandwich l)
- (embedded-ps ((ps-scm 'bezier-sandwich) l)))
+ (number->dim y) "}{" (number->dim x) "}{" s "}\n"))
+ (define (bezier-sandwich l thick)
+ (embedded-ps ((ps-scm 'bezier-sandwich) l thick)))
(define (start-line ht)
- (begin
- (clear-fontcache)
(string-append"\\vbox to " (number->dim ht) "{\\hbox{%\n"))
- )
+
(define (stop-line)
"}\\vss}\\interscoreline")
(define (stop-last-line)
"depth " (number->dim depth)
"height " (number->dim height) " "))
-
-
(define (text s)
(string-append "\\hbox{" (output-tex-string s) "}"))
- (define (tuplet ht dx dy thick dir)
- (embedded-ps ((ps-scm 'tuplet) ht dx dy thick dir)))
+ (define (tuplet ht gapx dx dy thick dir)
+ (embedded-ps ((ps-scm 'tuplet) ht gapx dx dy thick dir)))
- (define (volta w thick last)
- (embedded-ps ((ps-scm 'volta) w thick last)))
+ (define (volta h w thick vert_start vert_end)
+ (embedded-ps ((ps-scm 'volta) h w thick vert_start vert_end)))
;; TeX
;; The procedures listed below form the public interface of TeX-scm.
;; (should merge the 2 lists)
(cond ((eq? action-name 'all-definitions)
`(begin
+ (define font-load-command ,font-load-command)
(define beam ,beam)
(define bezier-sandwich ,bezier-sandwich)
(define bracket ,bracket)
(define char ,char)
(define crescendo ,crescendo)
+ (define dashed-line ,dashed-line)
(define dashed-slur ,dashed-slur)
(define decrescendo ,decrescendo)
(define end-output ,end-output)
(define filledbox ,filledbox)
(define font-def ,font-def)
(define font-switch ,font-switch)
- (define generalmeter ,generalmeter)
(define header-end ,header-end)
(define lily-def ,lily-def)
(define header ,header)
(define invoke-char ,invoke-char)
(define invoke-dim1 ,invoke-dim1)
- (define pianobrace ,pianobrace)
(define placebox ,placebox)
- (define rulesym ,rulesym)
(define select-font ,select-font)
(define start-line ,start-line)
(define stop-line ,stop-line)
((eq? action-name 'tuplet) tuplet)
((eq? action-name 'bracket) bracket)
((eq? action-name 'crescendo) crescendo)
+ ((eq? action-name 'dashed-line) dashed-line)
((eq? action-name 'dashed-slur) dashed-slur)
((eq? action-name 'decrescendo) decrescendo)
((eq? action-name 'end-output) end-output)
((eq? action-name 'experimental-on) experimental-on)
((eq? action-name 'font-def) font-def)
((eq? action-name 'font-switch) font-switch)
- ((eq? action-name 'generalmeter) generalmeter)
((eq? action-name 'header-end) header-end)
((eq? action-name 'lily-def) lily-def)
((eq? action-name 'header) header)
((eq? action-name 'invoke-char) invoke-char)
((eq? action-name 'invoke-dim1) invoke-dim1)
((eq? action-name 'placebox) placebox)
- ((eq? action-name 'rulesym) rulesym)
((eq? action-name 'bezier-sandwich) bezier-sandwich)
((eq? action-name 'start-line) start-line)
((eq? action-name 'stem) stem)
)
)
+
;;;;;;;;;;;; PS
(define (ps-scm action-name)
-
;; alist containing fontname -> fontcommand assoc (both strings)
(define font-alist '())
(define font-count 0)
(define current-font "")
- (define (clear-fontcache)
- (begin
- (set! font-alist '())
- (set! font-count 0)
- (set! current-font "")))
+
(define (cached-fontname i)
(string-append
- " lilyfont"
+ "lilyfont"
(make-string 1 (integer->char (+ 65 i)))))
+
+ (define (mag-to-size m)
+ (number->string (case m
+ (0 12)
+ (1 12)
+ (2 14) ; really: 14.400
+ (3 17) ; really: 17.280
+ (4 21) ; really: 20.736
+ (5 24) ; really: 24.888
+ (6 30) ; really: 29.856
+ )))
+
+
+ (define (select-font font-name-symbol)
+ (let*
+ (
+ (c (assoc font-name-symbol font-name-alist))
+ )
- (define (select-font font-name)
- (if (not (equal? font-name current-font))
+ (if (eq? c #f)
(begin
- (set! current-font font-name)
- (define font-cmd (assoc font-name font-alist))
- (if (eq? font-cmd #f)
- (begin
- (set! font-cmd (cached-fontname font-count))
- (set! font-alist (acons font-name font-cmd font-alist))
- (set! font-count (+ 1 font-count))
- (string-append "\n/" font-cmd " {/"
- font-name
- " findfont 12 scalefont setfont} bind def \n"
- font-cmd " \n"))
- (string-append (cdr font-cmd) " ")))
- ; font-name == current-font no switch needed
- ""
- ))
-
+ (ly-warn (string-append
+ "Programming error: No such font known " (car font-name-symbol)))
+ "") ; issue no command
+ (string-append " " (cdr c) " "))
+
+
+ ))
+
+ (define (font-load-command name-mag command)
+ (string-append
+ "/" command
+ " { /"
+ (symbol->string (car name-mag))
+ " findfont "
+ (number->string (magstep (cdr name-mag)))
+ " 1000 div 12 mul scalefont setfont } bind def "
+ "\n"))
+
+
(define (beam width slope thick)
(string-append
- (numbers->string (list width slope thick)) " draw_beam " ))
+ (numbers->string (list width slope thick)) " draw_beam" ))
- (define (bracket h)
- (invoke-dim1 " draw_bracket" h))
+ (define (comment s)
+ (string-append "% " s))
+
+ (define (bracket arch_angle arch_width arch_height width height arch_thick thick)
+ (string-append
+ (numbers->string (list arch_angle arch_width arch_height width height arch_thick thick)) " draw_bracket" ))
(define (char i)
(invoke-char " show" i))
- (define (crescendo w h cont)
+ (define (crescendo thick w h cont )
(string-append
- (numbers->string (list w h (inexact->exact cont)))
+ (numbers->string (list w h (inexact->exact cont) thick))
" draw_crescendo"))
+ ;; what the heck is this interface ?
(define (dashed-slur thick dash l)
(string-append
(apply string-append (map control->string l))
(number->string thick)
" [ "
- (if (> 1 dash) (number->string (- (* thick dash) thick)) "0") " "
- (number->string (* 2 thick))
+ (number->string dash)
+ " "
+ (number->string (* 10 thick)) ;UGH. 10 ?
" ] 0 draw_dashed_slur"))
- (define (decrescendo w h cont)
+ (define (dashed-line thick dash width)
(string-append
- (numbers->string (list w h (inexact->exact cont)))
+ (number->string width)
+ " "
+ (number->string thick)
+ " [ "
+ (number->string dash)
+ " "
+ (number->string dash)
+ " ] 0 draw_dashed_line"))
+
+ (define (decrescendo thick w h cont)
+ (string-append
+ (numbers->string (list w h (inexact->exact cont) thick))
" draw_decrescendo"))
(define (font-switch i)
(string-append (font i) " "))
- (define (generalmeter num den)
- (string-append (number->string (inexact->exact num)) " " (number->string (inexact->exact den)) " generalmeter "))
-
- (define (header-end) "")
- (define (lily-def key val)
+ (define (header-end)
(string-append
- "/" key " {" val "} bind def\n"))
+ ;; URG: now we can't use scm output without Lily
+ (ly-gulp-file "lilyponddefs.ps")
+ " {exch pop //systemdict /run get exec} "
+ (ly-gulp-file "lily.ps")
+ "{ exch pop //systemdict /run get exec } "
+ ))
+
+ (define (lily-def key val)
+
+ (if (string=? (substring key 0 (min (string-length "mudelapaper") (string-length key))) "mudelapaper")
+ (string-append "/" key " {" val "} bind def\n")
+ (string-append "/" key " (" val ") def\n")
+ )
+ )
(define (header creator generate)
(string-append
(define (placebox x y s)
(string-append
(number->string x) " " (number->string y) " {" s "} placebox "))
- (define (pianobrace y)
- ""
- )
-
- (define (rulesym x y)
- (string-append
- (number->string x) " "
- (number->string y) " "
- " rulesym"))
- (define (bezier-sandwich l)
+ (define (bezier-sandwich l thick)
(string-append
- (apply string-append (map control->string l))
+ (apply string-append (map control->string l))
+ (number->string thick)
" draw_bezier_sandwich"))
(define (start-line height)
- (begin
- (clear-fontcache)
- "\nstart_line {\n"))
+ "\nstart_line {\n")
(define (stem breapth width depth height)
(string-append (numbers->string (list breapth width depth height))
(string-append "(" s ") show "))
- (define (volta w thick last)
+ (define (volta h w thick vert_start vert_end)
(string-append
- (numbers->string (list w thick (inexact->exact last)))
+ (numbers->string (list h w thick (inexact->exact vert_start) (inexact->exact vert_end)))
" draw_volta"))
- (define (tuplet ht dx dy thick dir)
+ (define (tuplet ht gap dx dy thick dir)
(string-append
- (numbers->string (list ht dx dy thick (inexact->exact dir)))
+ (numbers->string (list ht gap dx dy thick (inexact->exact dir)))
" draw_tuplet"))
(define crescendo ,crescendo)
(define volta ,volta)
(define bezier-sandwich ,bezier-sandwich)
+ (define dashed-line ,dashed-line)
(define dashed-slur ,dashed-slur)
(define decrescendo ,decrescendo)
(define end-output ,end-output)
(define filledbox ,filledbox)
(define font-def ,font-def)
(define font-switch ,font-switch)
- (define generalmeter ,generalmeter)
- (define pianobrace ,pianobrace)
(define header-end ,header-end)
(define lily-def ,lily-def)
+ (define font-load-command ,font-load-command)
(define header ,header)
(define invoke-char ,invoke-char)
(define invoke-dim1 ,invoke-dim1)
(define placebox ,placebox)
- (define rulesym ,rulesym)
(define select-font ,select-font)
(define start-line ,start-line)
(define stem ,stem)
((eq? action-name 'bracket) bracket)
((eq? action-name 'char) char)
((eq? action-name 'crescendo) crescendo)
+ ((eq? action-name 'dashed-line) dashed-line)
((eq? action-name 'dashed-slur) dashed-slur)
((eq? action-name 'decrescendo) decrescendo)
((eq? action-name 'experimental-on) experimental-on)
)
)
- ;
-; Russ McManus, <mcmanus@IDT.NET>
-;
-; I use the following, which should definitely be provided somewhere
-; in guile, but isn't, AFAIK:
-;
-;
-(define (hash-table-for-each fn ht)
- (do ((i 0 (+ 1 i)))
- ((= i (vector-length ht)))
- (do ((alist (vector-ref ht i) (cdr alist)))
- ((null? alist) #t)
- (fn (car (car alist)) (cdr (car alist))))))
+(define (arg->string arg)
+ (cond ((number? arg) (inexact->string arg 10))
+ ((string? arg) (string-append "\"" arg "\""))
+ ((symbol? arg) (string-append "\"" (symbol->string arg) "\""))))
-(define (hash-table-map fn ht)
- (do ((i 0 (+ 1 i))
- (ret-ls '()))
- ((= i (vector-length ht)) (reverse ret-ls))
- (do ((alist (vector-ref ht i) (cdr alist)))
- ((null? alist) #t)
- (set! ret-ls (cons (fn (car (car alist)) (cdr (car alist))) ret-ls)))))
+(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)))))
-;;;; print a SCM expression. Isn't this part of the std lib?
+;;;; AsciiScript as
+(define (as-scm action-name)
-(define (scmlist->string exp)
- (cond
- ((pair? (cdr exp)) (string-append (scm->string (car exp)) " " (scmlist->string (cdr exp))))
- ((eq? '() (cdr exp)) (string-append (scm->string (car exp)) ")"))
- (else (string-append (scm->string (car exp)) " . " (scm->string (cdr exp)) ")"))
- ))
+ (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 (scm->string exp)
- (cond
- ((pair? exp) (string-append "(" (scmlist->string exp)))
- ((number? exp) (number->string exp))
- ((symbol? exp) (symbol->string exp))
- ((string? exp) (string-append "\"" exp "\""))
- ))
+ (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 (test-scm->string)
-(list (scmlist->string '(a))
-(scmlist->string '(a b))
-(scmlist->string '(a b . c))
+ (define (header creator generate)
+ (func "header" creator generate))
+ (define (header-end)
+ (func "header-end"))
-(scm->string '(a))
-(scm->string '(a b ))
-(scm->string '(a b . c))
-(scm->string '(a b (c . d)))
-(scm->string '(a "bla" (c . 1.5)))
-)
-)
+ ;; 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))
+
+;; urg: Use when standalone, do:
+;; (define ly-gulp-file scm-gulp-file)
+(define (scm-gulp-file name)
+ (set! %load-path
+ (cons (string-append (getenv 'LILYPONDPREFIX) "/ly")
+ (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)))
+
+(define (index-cell cell dir)
+ (if (equal? dir 1)
+ (cdr cell)
+ (car cell)))
+
+;
+; How should a bar line behave at a break?
+;
+(define (break-barline glyph dir)
+ (let ((result (assoc glyph
+ '((":|:" . (":|" . "|:"))
+ ("|" . ("|" . ""))
+ ("|s" . (nil . "|"))
+ ("|:" . ("|" . "|:"))
+ ("|." . ("|." . nil))
+ (".|" . (nil . ".|"))
+ (":|" . (":|" . nil))
+ ("||" . ("||" . nil))
+ (".|." . (".|." . nil))
+ ("scorebar" . (nil . "scorepostbreak"))
+ ("brace" . (nil . "brace"))
+ ("bracket" . (nil . "bracket"))
+ )
+ )))
+
+ (if (equal? result #f)
+ (ly-warn (string-append "Unknown bar glyph: `" glyph "'"))
+ (index-cell (cdr result) dir))
+ )
+ )
+
+
+(define major-scale
+ '(
+ (0 . 0)
+ (1 . 0)
+ (2 . 0)
+ (3 . 0)
+ (4 . 0)
+ (5 . 0)
+ (6 . 0)
+ )
+ )