;
; (c) 1998 Jan Nieuwenhuizen <janneke@gnu.org>
-; TODO
-; - naming
-; - ready ps code (draw_bracket) vs tex/ps macros/calls (pianobrace),
-; all preparations from ps,tex to scm
+
+;
+; 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)))
-(define
- (numbers->string l)
- (apply 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)))))))
-(define (chop-decimal x) (if (< (abs x) 0.001) 0.0 x))
+;; 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)
+ (operator (car list) (reduce operator (cdr list)))
+ )
+ )
+
+
+(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 (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)))
(define security-paranoia #f)
-;;;;;;;;
-;;; UGH. THESE SUCK!
+;; See documentation of Item::visibility_lambda_
+(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)))
+
+
+(define mark-visibility end-of-line-invisible)
+
+;; Spacing constants for prefatory matter.
+;;
+;; rules for this spacing are much more complicated than this. See [Wanske] page 126 -- 134, [Ross] pg 143 -- 147
+;;
+;;
+
+;; (Measured in staff space)
+(define space-alist
+ '(
+ ((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))
+ )
+)
+
+;; silly, use alist?
+(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)))))
-(define (empty)
- "")
-(define (empty1 a)
- "")
+;;;;;;;; TeX
-(define (empty2 a b )
- "")
+;; 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")
+ ("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 (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))
+ )
+ )
+ )
+ )
-(define emptybar empty1)
+(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 (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)
+ )
-;;; and these suck as well.
-(define (setdynamic s) (text "dynamic" (string-append "\\" s)))
-(define (settext s) (text "text" s))
-(define (settypewriter s) (text "typewriter" s))
-(define (setnumber s) (text "number" s))
-(define (setbold s) (text "bold" s))
-(define (setlarge s) (text "large" s))
-(define (setLarge s) (text "Large" s))
-(define (setmark s) (text "mark" s))
-(define (setfinger s) (text "finger" s))
-(define (setitalic s) (text "italic" s))
-(define (setnumber-1 s) (text "numberj" s))
-
+;;;;;;;;;;;;;;;;;;;;
-;;;;;;;; TeX
+; 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 (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
+ (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 "\\char" (inexact->string i 10) " "))
+
+ (define (dashed-line thick dash w)
+ (embedded-ps ((ps-scm 'dashed-line) thick dash w)))
- (define (decrescendo w h cont)
- (embedded-ps ((ps-scm 'decrescendo) w h cont)))
+ (define (decrescendo thick w h cont)
+ (embedded-ps ((ps-scm 'decrescendo) thick w h cont)))
- (define
- (doublebar h)
- (invoke-dim1 "doublebar" h))
+ (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")
+ (begin
+; uncomment for some stats about lily memory
+; (display (gc-stats))
+ (string-append "\n\\EndLilyPondOutput"
+ ; Put GC stats here.
+ )))
- (define (experimental-on) "\\turnOnExperimentalFeatures")
-
- (define (extender h)
- (invoke-dim1 "extender" h))
-
- (define
- (fatdoublebar h)
- (invoke-dim1 "fatdoublebar" h))
-
- (define
- (finishbar h)
- (invoke-dim1 "finishbar" h))
+ (define (experimental-on)
+ "")
(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
(define (invoke-char s i)
(string-append
"\n\\" s "{" (inexact->string i 10) "}" ))
- (define (char i)
- (string-append "\\show{" (inexact->string i 10) "}"))
-
+
(define (invoke-dim1 s d)
(string-append
"\n\\" s "{" (number->dim d) "}"))
-
+ (define (pt->sp x)
+ (* 65536 x))
+
;;
;; 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 "}"))
+ (number->dim y) "}{" (number->dim x) "}{" s "}\n"))
- (define (pianobrace y)
- (define step 1.0)
- (define minht mudelapaperstaffheight)
- (define maxht (* 6 minht))
- (string-append
- "{\\bracefont " (char (/ (- (min y (- maxht step)) minht) step)) "}"))
-
- (define
- (repeatbar h)
- (invoke-dim1 "repeatbar" h))
+ (define (bezier-sandwich l thick)
+ (embedded-ps ((ps-scm 'bezier-sandwich) l thick)))
- (define
- (repeatbarstartrepeat h)
- (invoke-dim1 "repeatbarstartrepeat" h))
+ (define (start-line ht)
+ (string-append"\\vbox to " (number->dim ht) "{\\hbox{%\n"))
- (define (rulesym h w)
- (string-append
- "\\vrule height " (number->dim (/ h 2))
- " depth " (number->dim (/ h 2))
- " width " (number->dim w)
- )
- )
-
- (define (slur l)
- (embedded-ps ((ps-scm 'slur) l)))
-
- (define
- (startbar h)
- (invoke-dim1 "startbar" h))
-
- (define
- (startrepeat h)
- (invoke-dim1 "startrepeat" h))
-
- (define (start-line)
- (string-append
- "\\hbox{%\n")
- )
-
- (define (stem kern width height depth)
+ (define (stop-line)
+ "}\\vss}\\interscoreline")
+ (define (stop-last-line)
+ "}\\vss}")
+ (define (filledbox breapth width depth height)
(string-append
- "\\kern" (number->dim kern)
- "\\vrule width " (number->dim width)
+ "\\kern" (number->dim (- breapth))
+ "\\vrule width " (number->dim (+ breapth width))
"depth " (number->dim depth)
"height " (number->dim height) " "))
- (define (stop-line)
- "}\\interscoreline")
-
- (define
- (stoprepeat h)
- (invoke-dim1 "stoprepeat" h))
-
- (define (text f s)
- (string-append "\\set" f "{" (output-tex-string s) "}"))
+ (define (text s)
+ (string-append "\\hbox{" (output-tex-string s) "}"))
- (define (tuplet dx dy dir)
- (embedded-ps ((ps-scm 'tuplet) dx dy dir)))
+ (define (tuplet ht gapx dx dy thick dir)
+ (embedded-ps ((ps-scm 'tuplet) ht gapx dx dy thick dir)))
- (define (volta w last)
- (embedded-ps ((ps-scm 'volta) w last)))
+ (define (volta h w thick vert_start vert_end)
+ (embedded-ps ((ps-scm 'volta) h w thick vert_start vert_end)))
- (define (maatstreep h)
- (string-append "\\maatstreep{" (number->dim h) "}"))
-
- ; urg: generate me
+ ;; 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 tuplet ,tuplet)
+ (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 doublebar ,doublebar)
- (define emptybar ,emptybar)
(define decrescendo ,decrescendo)
- (define empty ,empty)
(define end-output ,end-output)
- (define extender ,extender)
- (define fatdoublebar ,fatdoublebar)
- (define finishbar ,finishbar)
+ (define experimental-on ,experimental-on)
+ (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 placebox ,placebox)
- (define repeatbar ,repeatbar)
- (define repeatbarstartrepeat ,repeatbarstartrepeat)
- (define rulesym ,rulesym)
- (define slur ,slur)
- (define startbar ,startbar)
- (define startrepeat ,startrepeat)
- (define stoprepeat ,stoprepeat)
+ (define select-font ,select-font)
(define start-line ,start-line)
- (define stem ,stem)
(define stop-line ,stop-line)
+ (define stop-last-line ,stop-last-line)
(define text ,text)
- (define experimental-on ,experimental-on)
- (define char ,char)
- (define maatstreep ,maatstreep)
- (define pianobrace ,pianobrace)
+ (define tuplet ,tuplet)
(define volta ,volta)
))
- ((eq? action-name 'experimental-on) experimental-on)
((eq? action-name 'beam) beam)
((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 'doublebar) doublebar)
((eq? action-name 'decrescendo) decrescendo)
- ((eq? action-name 'empty) empty)
((eq? action-name 'end-output) end-output)
- ((eq? action-name 'extender) extender)
- ((eq? action-name 'fatdoublebar) fatdoublebar)
- ((eq? action-name 'finishbar) finishbar)
+ ((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 'repeatbar) repeatbar)
- ((eq? action-name 'repeatbarstartrepeat) repeatbarstartrepeat)
- ((eq? action-name 'rulesym) rulesym)
- ((eq? action-name 'slur) slur)
- ((eq? action-name 'startbar) startbar)
- ((eq? action-name 'startrepeat) startrepeat)
- ((eq? action-name 'stoprepeat) stoprepeat)
+ ((eq? action-name 'bezier-sandwich) bezier-sandwich)
((eq? action-name 'start-line) start-line)
((eq? action-name 'stem) stem)
((eq? action-name 'stop-line) stop-line)
+ ((eq? action-name 'stop-last-line) stop-last-line)
((eq? action-name 'volta) volta)
(else (error "unknown tag -- PS-TEX " action-name))
)
)
+
;;;;;;;;;;;; PS
(define (ps-scm action-name)
+
+ ;; alist containing fontname -> fontcommand assoc (both strings)
+ (define font-alist '())
+ (define font-count 0)
+ (define current-font "")
+
+
+ (define (cached-fontname i)
+ (string-append
+ "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))
+ )
+
+ (if (eq? c #f)
+ (begin
+ (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 (crescendo w h cont)
+ (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 thick w h cont )
(string-append
- (numbers->string (list w h (inexact->exact cont)))
- "draw_crescendo"))
+ (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
+ (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)))
- "draw_decrescendo"))
+ (numbers->string (list w h (inexact->exact cont) thick))
+ " draw_decrescendo"))
- (define (empty)
- "\n empty\n")
(define (end-output)
"\nshowpage\n")
-
+
(define (experimental-on) "")
+
+ (define (filledbox breapth width depth height)
+ (string-append (numbers->string (list breapth width depth height))
+ " draw_box" ))
+ ;; obsolete?
(define (font-def i s)
(string-append
"\n/" (font i) " {/"
(substring s 0 (- (string-length s) 4))
- " findfont 12 scalefont setfont} bind def\n"))
+ " findfont 12 scalefont setfont} bind def \n"))
(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
"%!PS-Adobe-3.0\n"
"%%Creator: " creator generate "\n"))
-
+
(define (invoke-char s i)
(string-append
"(\\" (inexact->string i 8) ") " s " " ))
-
+
(define (invoke-dim1 s d)
(string-append
- (number->string d) " " s ))
+ (number->string (* d (/ 72.27 72))) " " s ))
(define (placebox x y s)
(string-append
(number->string x) " " (number->string y) " {" s "} placebox "))
- (define (rulesym x y)
+ (define (bezier-sandwich l thick)
(string-append
- (number->string x) " "
- (number->string y) " "
- "rulesym"))
-
- (define (slur l)
- (string-append
- (apply string-append (map control->string l))
- " draw_slur"))
+ (apply string-append (map control->string l))
+ (number->string thick)
+ " draw_bezier_sandwich"))
- (define (start-line)
- "\nstart_line {\n")
-
- (define (stem kern width height depth)
- (string-append (numbers->string (list kern width height depth))
- "draw_stem" ))
+ (define (start-line height)
+ "\nstart_line {\n")
+
+ (define (stem breapth width depth height)
+ (string-append (numbers->string (list breapth width depth height))
+ " draw_box" ))
- (define (stop-line)
- "}\nstop_line\n")
+ (define (stop-line)
+ "}\nstop_line\n")
- (define (text f s)
- (string-append "(" s ") set" f " "))
+ (define (text s)
+ (string-append "(" s ") show "))
- (define (volta w last)
+ (define (volta h w thick vert_start vert_end)
(string-append
- (numbers->string (list w (inexact->exact last)))
- "draw_volta"))
- (define (tuplet dx dy dir)
+ (numbers->string (list h w thick (inexact->exact vert_start) (inexact->exact vert_end)))
+ " draw_volta"))
+
+ (define (tuplet ht gap dx dy thick dir)
(string-append
- (numbers->string (list dx dy (inexact->exact dir)))
- "draw_tuplet"))
+ (numbers->string (list ht gap dx dy thick (inexact->exact dir)))
+ " draw_tuplet"))
(define (unknown)
"\n unknown\n")
- ; dispatch on action-name
+ ;; PS
(cond ((eq? action-name 'all-definitions)
`(begin
(define beam ,beam)
(define tuplet ,tuplet)
(define bracket ,bracket)
+ (define char ,char)
(define crescendo ,crescendo)
(define volta ,volta)
- (define slur ,slur)
+ (define bezier-sandwich ,bezier-sandwich)
+ (define dashed-line ,dashed-line)
(define dashed-slur ,dashed-slur)
(define decrescendo ,decrescendo)
- (define empty ,empty)
(define end-output ,end-output)
+ (define experimental-on ,experimental-on)
+ (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 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)
(define stop-line ,stop-line)
+ (define stop-last-line ,stop-line)
(define text ,text)
))
((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 'volta) volta)
- ((eq? action-name 'slur) slur)
+ ((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)
+ ((eq? action-name 'filledbox) filledbox)
+ ((eq? action-name 'select-font) select-font)
+ ((eq? action-name 'volta) volta)
(else (error "unknown tag -- PS-SCM " action-name))
)
)
+
+
+(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))
+
+;; 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)
+ )
+ )