--- /dev/null
+;;; ps.scm -- implement Scheme output routines for PostScript
+;;;
+;;; source file of the GNU LilyPond music typesetter
+;;;
+;;; (c) 1998--2000 Jan Nieuwenhuizen <janneke@gnu.org>
+;;; Han-Wen Nienhuys <hanwen@cs.uu.nl>
+
+
+(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 (select-font name-mag-pair)
+ (let*
+ (
+ (c (assoc name-mag-pair font-name-alist))
+ )
+
+ (if (eq? c #f)
+ (begin
+ (display "FAILED\n")
+ (display (object-type (car name-mag-pair)))
+ (display (object-type (caaar font-name-alist)))
+
+ (ly-warn (string-append
+ "Programming error: No such font known "
+ (car name-mag-pair) " "
+ (number->string (cdr name-mag-pair))
+ ))
+
+ "") ; issue no command
+ (string-append " " (cddr c) " "))
+ ))
+
+ (define (font-load-command name-mag command)
+ (string-append
+ "/" command
+ " { /"
+ (car name-mag)
+ " findfont "
+ "12 " (number->string (cdr name-mag)) " mul "
+ "lilypondpaperoutputscale div scalefont setfont } bind def "
+ "\n"))
+
+
+ (define (beam width slope thick)
+ (string-append
+ (numbers->string (list width slope thick)) " draw_beam" ))
+
+ (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 thick w h cont )
+ (string-append
+ (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)
+ " [ "
+ (number->string dash)
+ " "
+ (number->string (* 10 thick)) ;UGH. 10 ?
+ " ] 0 draw_dashed_slur"))
+
+ (define (dashed-line thick on off dx dy)
+ (string-append
+ (number->string dx)
+ " "
+ (number->string dy)
+ " "
+ (number->string thick)
+ " [ "
+ (number->string on)
+ " "
+ (number->string off)
+ " ] 0 draw_dashed_line"))
+
+ (define (decrescendo thick w h cont)
+ (string-append
+ (numbers->string (list w h (inexact->exact cont) thick))
+ " draw_decrescendo"))
+
+
+ (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"))
+
+ (define (font-switch i)
+ (string-append (font i) " "))
+
+ (define (header-end)
+ (string-append
+ ;; 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 "lilypondpaper") (string-length key))) "lilypondpaper")
+ (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 (/ 72.27 72))) " " s ))
+
+ (define (placebox x y s)
+ (string-append
+ (number->string x) " " (number->string y) " {" s "} placebox "))
+
+ (define (bezier-sandwich l thick)
+ (string-append
+ (apply string-append (map control->string l))
+ (number->string thick)
+ " draw_bezier_sandwich"))
+
+ (define (start-line height)
+ "\nstart_line {
+lilypondpaperoutputscale lilypondpaperoutputscale scale
+")
+
+ (define (stem breapth width depth height)
+ (string-append (numbers->string (list breapth width depth height))
+ " draw_box" ))
+
+ (define (stop-line)
+ "}\nstop_line\n")
+
+ (define (text s)
+ (string-append "(" s ") show "))
+
+
+ (define (volta h w thick vert_start vert_end)
+ (string-append
+ (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 ht gap dx dy thick (inexact->exact dir)))
+ " draw_tuplet"))
+
+
+ (define (unknown)
+ "\n unknown\n")
+
+
+ (define (define-origin a b c ) "")
+ (define (no-origin) "")
+
+ ;; 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 bezier-sandwich ,bezier-sandwich)
+ (define dashed-line ,dashed-line)
+ (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-switch ,font-switch)
+ (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 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 no-origin ,no-origin)
+ (define define-origin ,define-origin)
+ ))
+ ((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-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 (scm-ps-output)
+ (ly-eval (ps-scm 'all-definitions)))
projects / lilypond.git / commitdiff