+ (define (font-switch i)
+ (string-append
+ "\\" (font i) "\n"))
+
+ (define (font-def i s)
+ (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) "\\turnOnPostScript")
+
+ (define (header creator generate)
+ (string-append
+ "%created by: " creator generate "\n"))
+
+ (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 (lily-def key val)
+ (string-append
+ "\\def\\" key "{" val "}\n"))
+
+ (define (number->dim x)
+ (string-append
+ (number->string (chop-decimal 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 mudelapaperstaffheight)
+ (define maxht (* 6 minht))
+ (string-append
+ "{\\bracefont " (char (/ (- (max 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 (slur l)
+ (embedded-ps ((ps-scm 'slur) l)))
+
+ (define (start-line)
+ (string-append
+ "\\hbox{%\n")
+ )
+
+ (define (stem kern width height depth)
+ (string-append
+ "\\kern" (number->dim kern)
+ "\\vrule width " (number->dim width)
+ "depth " (number->dim depth)
+ "height " (number->dim height) " "))
+
+ (define (stop-line)
+ "}\\interscoreline")
+
+ (define (text f s)
+ (string-append "\\set" f "{" s "}"))
+
+ (define (tuplet dx dy dir)
+ (embedded-ps ((ps-scm 'tuplet) dx dy dir)))
+
+ (define (volta w last)
+ (embedded-ps ((ps-scm 'volta) w last)))
+
+ (define (maatstreep h)
+ (string-append "\\maatstreep{" (number->dim h) "}"))
+
+ (cond ((eq? action-name 'all-definitions)
+ `(begin
+ (define beam ,beam)
+ (define tuplet ,tuplet)
+ (define bracket ,bracket)
+ (define crescendo ,crescendo)
+ (define volta ,volta)
+ (define slur ,slur)
+ (define dashed-slur ,dashed-slur)
+ (define decrescendo ,decrescendo)
+ (define empty ,empty)
+ (define end-output ,end-output)
+ (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 rulesym ,rulesym)
+ (define start-line ,start-line)
+ (define stem ,stem)
+ (define stop-line ,stop-line)
+ (define text ,text)
+ (define experimental-on ,experimental-on)
+ (define char ,char)
+ (define maatstreep ,maatstreep)
+ (define pianobrace ,pianobrace)
+ ))
+
+ ((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 'volta) volta)
+ ((eq? action-name 'slur) slur)
+ ((eq? action-name 'dashed-slur) dashed-slur)
+ ((eq? action-name 'decrescendo) decrescendo)
+ ((eq? action-name 'empty) empty)
+ ((eq? action-name 'end-output) end-output)
+ ((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 'start-line) start-line)
+ ((eq? action-name 'stem) stem)
+ ((eq? action-name 'stop-line) stop-line)
+ (else (error "unknown tag -- PS-TEX " action-name))
+ )
+
+ )
+
+;;;;;;;;;;;; PS
+(define (ps-scm action-name)
+ (define (beam width slope thick)
+ (string-append
+ (numbers->string (list width slope thick)) " draw_beam " ))
+
+ (define (bracket h)
+ (invoke-dim1 "draw_bracket" h))
+
+ (define (crescendo w h cont)
+ (string-append
+ (numbers->string (list w h (inexact->exact cont)))
+ "draw_crescendo"))
+
+ (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))
+ " ] 0 draw_dashed_slur"))
+
+ (define (decrescendo w h cont)
+ (string-append
+ (numbers->string (list w h (inexact->exact cont)))
+ "draw_decrescendo"))
+
+ (define (empty)
+ "\n empty\n")
+
+ (define (end-output)
+ "\nshowpage\n")
+
+ (define (experimental-on) "")
+
+ (define (font-def i s)
+ (string-append
+ "\n/" (font i) " {/"
+ (substring s 0 (- (string-length s) 4))
+ " 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)
+ (string-append
+ "/" key " {" val "} bind 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 ))
+
+ (define (placebox x y s)
+ (string-append
+ (number->string x) " " (number->string y) " {" s "} placebox "))
+
+ (define (rulesym x y)
+ (string-append
+ (number->string x) " "
+ (number->string y) " "
+ "rulesym"))
+
+ (define (slur l)
+ (string-append
+ (apply string-append (map control->string l))
+ " draw_slur"))
+
+ (define (start-line)
+ "\nstart_line {\n")
+
+ (define (stem kern width height depth)
+ (string-append (numbers->string (list kern width height depth))
+ "draw_stem" ))
+
+ (define (stop-line)
+ "}\nstop_line\n")
+
+ (define (text f s)
+ (string-append "(" s ") set" f " "))
+
+
+ (define (volta w last)
+ (string-append
+ (numbers->string (list w (inexact->exact last)))
+ "draw_volta"))
+ (define (tuplet dx dy dir)
+ (string-append
+ (numbers->string (list dx dy (inexact->exact dir)))
+ "draw_tuplet"))
+
+
+ (define (unknown)
+ "\n unknown\n")
+
+
+ ; dispatch on action-name
+ (cond ((eq? action-name 'all-definitions)
+ `(begin
+ (define beam ,beam)
+ (define tuplet ,tuplet)
+ (define bracket ,bracket)
+ (define crescendo ,crescendo)
+ (define volta ,volta)
+ (define slur ,slur)
+ (define dashed-slur ,dashed-slur)
+ (define decrescendo ,decrescendo)
+ (define empty ,empty)
+ (define end-output ,end-output)
+ (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 rulesym ,rulesym)
+ (define start-line ,start-line)
+ (define stem ,stem)
+ (define stop-line ,stop-line)
+ (define text ,text)
+ ))
+ ((eq? action-name 'tuplet) tuplet)
+ ((eq? action-name 'beam) beam)
+ ((eq? action-name 'bracket) bracket)
+ ((eq? action-name 'crescendo) crescendo)
+ ((eq? action-name 'volta) volta)
+ ((eq? action-name 'slur) slur)
+ ((eq? action-name 'dashed-slur) dashed-slur)
+ ((eq? action-name 'decrescendo) decrescendo)
+ (else (error "unknown tag -- PS-SCM " action-name))
+ )
+)