From: fred <fred>
Date: Mon, 7 Dec 1998 17:09:47 +0000 (+0000)
Subject: lilypond-1.1.13
X-Git-Tag: release/1.5.59~5814
X-Git-Url: https://git.donarmstrong.com/?a=commitdiff_plain;h=969544ef2b4ddaaa8e240123092c413dacca9ccf;p=lilypond.git

lilypond-1.1.13
---

diff --git a/scm/lily.scm b/scm/lily.scm
new file mode 100644
index 0000000000..750b053bc8
--- /dev/null
+++ b/scm/lily.scm
@@ -0,0 +1,436 @@
+; lily.scm -- implement Scheme output routines for TeX and PostScript
+;
+;  source file of the GNU LilyPond music typesetter
+; 
+; (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
+
+;;; 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)))
+
+(define (chop-decimal x) (if (< (abs x) 0.001) 0.0 x))
+
+(define (number->octal-string x)
+  (let* ((n (inexact->exact x))
+         (n64 (quotient n 64))
+         (n8 (quotient (- n (* n64 64)) 8)))
+    (string-append
+     (number->string n64)
+     (number->string n8)
+     (number->string (remainder (- n (+ (* n64 64) (* n8 8))) 8)))))
+
+(define (inexact->string x radix)
+  (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
+  (font i)
+  (string-append
+   "font"
+   (make-string 1 (integer->char (+ (char->integer #\A) i)))
+   ))
+
+
+
+(define (scm-scm action-name)
+  1)
+
+(define security-paranoia #f)
+
+
+;;;;;;;;
+;;; UGH.  THESE SUCK!
+
+(define (empty) 
+  "")
+
+(define (empty1 a)
+  "")
+
+(define (empty2 a b )
+  "")
+
+
+(define emptybar empty1)
+(define setdynamic empty1)
+(define startrepeat empty1)
+(define repeatbar empty1)
+(define finishbar empty1)
+(define extender empty1)
+(define startbar empty1)
+(define repeatbarstartrepeat empty1)
+(define fatdoublebar empty1)
+(define setfinger empty1)
+(define doublebar empty1)
+
+;;; and these suck as well.
+(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 (setitalic s) (text "italic" s))
+(define (setnumber-1 s) (text "numberj" s))
+  
+
+
+;;;;;;;; TeX
+
+(define (tex-scm action-name)
+
+  (define (unknown) 
+    "%\n\\unknown%\n")
+
+  (define (beam width slope thick)
+    (embedded-ps ((ps-scm 'beam) width slope thick)))
+
+  (define (bracket h)
+    (embedded-ps ((ps-scm 'bracket) h)))
+
+  (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 (decrescendo w h cont)
+    (embedded-ps ((ps-scm 'decrescendo) w h cont)))
+
+  (define (embedded-ps s)
+    (string-append "\\embeddedps{" s "}"))
+
+
+  (define (end-output) 
+    "\n\\EndLilyPondOutput")
+  
+  (define (experimental-on) "\\turnOnExperimentalFeatures")
+
+  (define (extender o h)
+    ((invoke-output o "invoke-dim1") "extender" h))
+
+  (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) "}"))
+
+
+  ;;
+  ;; 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 (lily-def key val)
+    (string-append
+     "\\def\\" (output-tex-string key) "{" (output-tex-string 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  (/  (- (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 (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 "{" (output-tex-string 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))
+	)
+  )
+
+
+