(define (ps-encoding text)
(escape-parentheses text))
+(define (round2 num)
+ (/ (round (* 100 num)) 100))
+
+(define (round4 num)
+ (/ (round (* 10000 num)) 10000))
+
+(define (str4 num)
+ (format #f "~f" (round4 num)))
+
+(define (number-pair->string4 numpair)
+ (format #f "~f ~f" (round4 (car numpair)) (round4 (cdr numpair))))
+
+(define (numbers->string4 numlist)
+ (string-join (map str4 numlist) " "))
+
;; FIXME: lily-def
(define-public (ps-string-def prefix key val)
- (string-append "/" prefix (symbol->string key) " ("
- (escape-parentheses val)
- ") def\n"))
-
+ (format #f "/ ~a~a (~a) def\n"
+ prefix
+ (symbol->string key)
+ (escape-parentheses val)))
(define (ps-number-def prefix key val)
(let ((s (if (integer? val)
(ly:number->string val)
(ly:number->string (exact->inexact val)))))
- (string-append "/" prefix (symbol->string key) " " s " def\n")))
+ (format #f "/~a~a ~a def\n"
+ prefix
+ (symbol->string key) s)))
;;;
;; two beziers
(define (bezier-sandwich lst thick)
- (string-append
- (string-join (map ly:number-pair->string lst) " ")
- " "
- (ly:number->string thick)
- " draw_bezier_sandwich"))
+ (format #f "~a ~a draw_bezier_sandwich"
+ (string-join (map number-pair->string4 lst) " ")
+ (str4 thick)))
(define (char font i)
- (string-append
- (ps-font-command font) " setfont "
- "(\\" (ly:inexact->string i 8) ") show"))
+ (format #f "~a (\\~a) show"
+ (ps-font-command font)
+ (ly:inexact->string i 8)))
(define (circle radius thick fill)
- (format
- "~a ~a ~a draw_circle" radius thick
+ (format #f
+ "~f ~f ~a draw_circle" (round4 radius) (round4 thick)
(if fill
"true "
"false ")))
(define (dashed-line thick on off dx dy)
- (string-append
- (ly:number->string dx) " "
- (ly:number->string dy) " "
- (ly:number->string thick)
- " [ "
- (ly:number->string on) " "
- (ly:number->string off)
- " ] 0 draw_dashed_line"))
+ (format #f "~a ~a ~a [ ~a ~a ] 0 draw_dashed_line"
+ (str4 dx)
+ (str4 dy)
+ (str4 thick)
+ (str4 on)
+ (str4 off)))
;; what the heck is this interface ?
(define (dashed-slur thick on off l)
- (string-append
- (string-join (map ly:number-pair->string l) " ")
- " "
- (ly:number->string thick)
- " [ "
- (ly:number->string on)
- " "
- (ly:number->string off)
- " ] 0 draw_dashed_slur"))
+ (format #f "~a ~a [ ~a ~a ] 0 draw_dashed_slur"
+ (string-join (map number-pair->string4 l) " ")
+ (str4 thick)
+ (str4 on)
+ (str4 off)))
(define (dot x y radius)
- (string-append
- " "
- (ly:numbers->string
- (list x y radius)) " draw_dot"))
+ (format #f " ~a draw_dot"
+ (numbers->string4 (list x y radius))))
(define (draw-line thick x1 y1 x2 y2)
- (string-append
- "1 setlinecap 1 setlinejoin "
- (ly:number->string thick) " setlinewidth "
- (ly:number->string x1) " "
- (ly:number->string y1) " moveto "
- (ly:number->string x2) " "
- (ly:number->string y2) " lineto stroke"))
+ (format #f "1 setlinecap 1 setlinejoin ~a setlinewidth ~a ~a moveto ~a ~a lineto stroke"
+ (str4 thick)
+ (str4 x1)
+ (str4 y1)
+ (str4 x2)
+ (str4 y2)))
(define (embedded-ps string)
string)
-(define (glyph-string
- postscript-font-name
- size cid?
- w-x-y-named-glyphs)
+(define (glyph-string postscript-font-name
+ size
+ cid?
+ w-x-y-named-glyphs)
- (format #f "gsave
- /~a ~a ~a output-scale div scalefont setfont\n~a grestore"
+ (format #f "gsave \n/~a ~a output-scale div selectfont\n~a grestore"
postscript-font-name
- (if cid?
- " /CIDFont findresource "
- " findfont")
size
- (apply
- string-append
- (map (lambda (item)
- (let*
- ((w (car item))
- (x (cadr item))
- (y (caddr item))
- (g (cadddr item))
- (prefix (if (string? g) "/" "")))
-
- (format #f " gsave ~a~a glyphshow grestore ~$ ~$ rmoveto \n" prefix g (+ w x) y)
- ))
- w-x-y-named-glyphs))))
+ (string-append
+ (apply
+ string-append
+ (map (lambda (item)
+ (let*
+ ((w (car item))
+ (x (cadr item))
+ (y (caddr item))
+ (g (cadddr item))
+ (prefix (if (string? g) "/" "")))
+
+ (format #f "~f ~f ~a~a\n" (round2 (+ w x))
+ (round2 y) prefix g)
+ ))
+ w-x-y-named-glyphs))
+ (format #f "~a print_glyphs" (length w-x-y-named-glyphs)))
+ ))
(define (grob-cause offset grob)
(let* ((cause (ly:grob-property grob 'cause))
(if (and (< 0 (interval-length x-ext))
(< 0 (interval-length y-ext)))
- (format "~$ ~$ ~$ ~$ (textedit://~a:~a:~a:~a) mark_URI\n"
+ (format #f "~$ ~$ ~$ ~$ (textedit://~a:~a:~a:~a) mark_URI\n"
(+ (car offset) (car x-ext))
(+ (cdr offset) (car y-ext))
(+ (car offset) (cdr x-ext))
(define (lily-def key val)
(let ((prefix "lilypondlayout"))
(if (string=?
- (substring key 0 (min (string-length prefix) (string-length key)))
- prefix)
- (string-append "/" key " {" val "} bind def\n")
- (string-append "/" key " (" val ") def\n"))))
+ (substring key 0 (min (string-length prefix) (string-length key)))
+ prefix)
+ (string-append "/" key " {" val "} bind def\n")
+ (string-append "/" key " (" val ") def\n"))))
(define (named-glyph font glyph)
- (string-append
- (ps-font-command font) " setfont "
- "/" glyph " glyphshow "))
+ (format #f "~a /~a glyphshow " ;;Why is there a space at the end?
+ (ps-font-command font)
+ glyph))
(define (no-origin)
"")
(define (placebox x y s)
- (format
- "gsave ~a ~a translate
+ (format #f
+"gsave ~a ~a translate
0 0 moveto
~a
grestore\n"
- (ly:number->string x)
- (ly:number->string y)
+ (str4 x)
+ (str4 y)
s))
(define (polygon points blot-diameter filled?)
- (string-append
- (ly:numbers->string points) " "
- (ly:number->string (/ (length points) 2)) " "
- (ly:number->string blot-diameter)
- (if filled? " true " " false ")
- " draw_polygon"))
+ (format #f "~a ~a ~a ~a draw_polygon"
+ (numbers->string4 points)
+ (str4 (/ (length points) 2))
+ (str4 blot-diameter)
+ (if filled? "true" "false")))
(define (repeat-slash wid slope thick)
- (string-append
- (ly:numbers->string (list wid slope thick))
- " draw_repeat_slash"))
+ (format #f "~a draw_repeat_slash"
+ (numbers->string4 (list wid slope thick))))
;; restore color from stack
-(define (resetcolor)
- (string-append "setrgbcolor\n"))
+(define (resetcolor) "setrgbcolor\n")
(define (round-filled-box x y width height blotdiam)
- (string-append
- (ly:numbers->string
- (list x y width height blotdiam)) " draw_round_box"))
+ (format #f "~a draw_round_box"
+ (numbers->string4
+ (list x y width height blotdiam))))
;; save current color on stack and set new color
(define (setcolor r g b)
- (string-append "currentrgbcolor "
- (ly:numbers->string (list r g b))
- " setrgbcolor\n"))
+ (format #f "currentrgbcolor ~a setrgbcolor\n"
+ (numbers->string4 (list r g b))))
(define (text font s)
;; (ly:warning (_ "TEXT backend-command encountered in Pango backend"))
(out-vec (decode-byte-string s)))
(string-append
- (ps-font-command font) " setfont "
+ (ps-font-command font) " "
(string-join
(vector->list
(vector-for-each
"\n unknown\n")
(define (url-link url x y)
- (format "~$ ~$ ~$ ~$ (~a) mark_URI"
+ (format #f "~$ ~$ ~$ ~$ (~a) mark_URI"
(car x)
(car y)
(cdr x)
(ly:warning (_ "utf-8-string encountered in PS backend")))
-
(define (zigzag-line centre? zzw zzh thick dx dy)
- (string-append
- (if centre? "true" "false") " "
- (ly:number->string zzw) " "
- (ly:number->string zzh) " "
- (ly:number->string thick) " "
- "0 0 "
- (ly:number->string dx) " "
- (ly:number->string dy)
- " draw_zigzag_line"))
+ (format #f "~a ~a ~a ~a 0 0 ~a ~a draw_zigzag_line"
+ (if centre? "true" "false")
+ (str4 zzw)
+ (str4 zzh)
+ (str4 thick)
+ (str4 dx)
+ (str4 dy)))
projects / lilypond.git / commitdiff