;;;;
;;;; source file of the GNU LilyPond music typesetter
;;;;
-;;;; (c) 1998--2005 Jan Nieuwenhuizen <janneke@gnu.org>
-;;;; Han-Wen Nienhuys <hanwen@cs.uu.nl>
+;;;; (c) 1998--2007 Jan Nieuwenhuizen <janneke@gnu.org>
+;;;; Han-Wen Nienhuys <hanwen@xs4all.nl>
;;;; Note: currently misused as testbed for titles with markup, see
;;;; input/test/title-markup.ly
;; JUNK this -- see lily.scm: ly:all-output-backend-commands
#:export (unknown
- blank
+ bezier-sandwich
+ char
circle
- dot
- white-dot
- beam
+ comment
+ dashed-line
dashed-slur
- char
- setcolor
- resetcolor
+ dot
+ draw-line
+ ellipse
+ embedded-ps
named-glyph
- dashed-line
- zigzag-line
- comment
- repeat-slash
+ no-origin
+ oval
placebox
- bezier-sandwich
- embedded-ps
- filledbox
+ polygon
+ repeat-slash
+ resetcolor
+ resetrotation
round-filled-box
+ setcolor
+ setrotation
text
- white-text
- polygon
- draw-line
- no-origin))
+ ))
(use-modules (guile)
(lily))
;;; helper functions, not part of output interface
-(define (escape-parentheses s)
- (regexp-substitute/global #f "(^|[^\\])([\\(\\)])" s 'pre 1 "\\" 2 'post))
-
-(define (ps-encoding text)
- (escape-parentheses text))
+;;;
-;; FIXME: lily-def
-(define-public (ps-string-def prefix key val)
- (string-append "/" prefix (symbol->string key) " ("
- (escape-parentheses val)
- ") def\n"))
+;; ice-9 format uses a lot of memory
+;; using simple-format almost halves lilypond cell usage
-(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")))
+(define (str4 num)
+ (if (or (nan? num) (inf? num))
+ (begin
+ (ly:warning (_ "Found infinity or nan in output. Substituting 0.0"))
+ (if (ly:get-option 'strict-infinity-checking)
+ (exit 1))
+ "0.0")
+ (ly:number->string num)))
+(define (number-pair->string4 numpair)
+ (ly:format "~4l" numpair))
;;;
;;; Lily output interface, PostScript implementation --- cleanup and docme
;;;
-;;; Output-interface functions
-(define (beam width slope thick blot)
- (string-append
- (ly:numbers->string (list slope width thick blot)) " draw_beam" ))
-
;; two beziers
(define (bezier-sandwich lst thick)
- (string-append
- (string-join (map ly:number-pair->string lst) " ")
- " "
- (ly:number->string thick)
- " draw_bezier_sandwich"))
+ (ly:format "~l ~4f draw_bezier_sandwich"
+ (map number-pair->string4 lst)
+ thick))
(define (char font i)
- (string-append
- (ps-font-command font) " setfont "
- "(\\" (ly:inexact->string i 8) ") show"))
+ (ly:format "~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
+ (ly:format
+ "~a ~4f ~4f draw_circle"
(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"))
+ "true"
+ "false")
+ radius thick))
+
+(define (dashed-line thick on off dx dy phase)
+ (ly:format "~4f ~4f ~4f [ ~4f ~4f ] ~4f draw_dashed_line"
+ dx
+ dy
+ thick
+ on
+ off
+ phase))
;; 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"))
+ (ly:format "~l ~4f [ ~4f ~4f ] 0 draw_dashed_slur"
+ (let ((control-points (append (cddr l) (list (car l) (cadr l)))))
+ (map number-pair->string4 control-points))
+ thick
+ on
+ off))
(define (dot x y radius)
- (string-append
- " "
- (ly:numbers->string
- (list x y radius)) " draw_dot"))
+ (ly:format " ~4l draw_dot" (list radius x y)))
(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"))
+ (ly:format "~4f ~4f ~4f ~4f ~4f draw_line"
+ (- x2 x1) (- y2 y1)
+ x1 y1 thick))
+
+(define (ellipse x-radius y-radius thick fill)
+ (ly:format
+ "~a ~4f ~4f ~4f draw_ellipse"
+ (if fill
+ "true"
+ "false")
+ x-radius y-radius thick))
(define (embedded-ps string)
string)
-;; FIXME: use draw_round_box
-(define (filledbox breapth width depth height)
- (string-append (ly:numbers->string (list breapth width depth height))
- " draw_box"))
-
-(define (glyph-string
- postscript-font-name
- size cid?
- x-y-named-glyphs)
+(define (glyph-string postscript-font-name
+ size
+ cid?
+ w-x-y-named-glyphs)
- (format #f "gsave 1 output-scale div 1 output-scale div scale
- /~a ~a ~a scalefont setfont\n~a grestore"
+ (define (glyph-spec w x y g)
+ (let ((prefix (if (string? g) "/" "")))
+ (ly:format "~4f ~4f ~a~a"
+ (+ w x) y
+ prefix g)))
+
+ (ly:format
+ (if cid?
+"/~a /CIDFont findresource ~a output-scale div scalefont setfont
+~a
+~a print_glyphs"
+
+"/~a ~a output-scale div selectfont
+~a
+~a print_glyphs")
postscript-font-name
- (if cid?
- " /CIDFont findresource "
- " findfont")
-
size
- (apply
- string-append
- (map (lambda (item)
- (let*
- ((x (car item))
- (y (cadr item))
- (g (caddr item))
- (prefix (if (string? g) "/" "")))
-
- (if (and (= 0.0 x)
- (= 0.0 y))
- (format #f " ~a~a glyphshow\n" prefix g)
- (format #f " ~a ~a rmoveto ~a~a glyphshow\n"
- x y
- prefix
- g))))
- x-y-named-glyphs))))
+ (string-join (map (lambda (x) (apply glyph-spec x))
+ (reverse w-x-y-named-glyphs)) "\n")
+ (length w-x-y-named-glyphs)))
+
(define (grob-cause offset grob)
- (let* ((cause (ly:grob-property grob 'cause))
- (music-origin (if (ly:music? cause)
- (ly:music-property cause 'origin))))
- (if (not (ly:input-location? music-origin))
- ""
- (let* ((location (ly:input-file-line-column music-origin))
- (raw-file (car location))
- (file (if (is-absolute? raw-file)
- raw-file
- (string-append (ly-getcwd) "/" raw-file)))
- (x-ext (ly:grob-extent grob grob X))
- (y-ext (ly:grob-extent grob grob Y)))
-
- (if (and (< 0 (interval-length x-ext))
- (< 0 (interval-length y-ext)))
- (format "~a ~a ~a ~a (textedit://~a:~a:~a) mark_URI\n"
- (+ (car offset) (car x-ext))
- (+ (cdr offset) (car y-ext))
- (+ (car offset) (cdr x-ext))
- (+ (cdr offset) (cdr y-ext))
- file
- (cadr location)
- (caddr location))
- "")))))
-
-(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"))))
+ (if (ly:get-option 'point-and-click)
+ (let* ((cause (ly:grob-property grob 'cause))
+ (music-origin (if (ly:stream-event? cause)
+ (ly:event-property cause 'origin))))
+ (if (ly:input-location? music-origin)
+ (let* ((location (ly:input-file-line-char-column music-origin))
+ (raw-file (car location))
+ (file (if (is-absolute? raw-file)
+ raw-file
+ (string-append (ly-getcwd) "/" raw-file)))
+ (x-ext (ly:grob-extent grob grob X))
+ (y-ext (ly:grob-extent grob grob Y)))
+
+ (if (and (< 0 (interval-length x-ext))
+ (< 0 (interval-length y-ext)))
+ (ly:format "~4f ~4f ~4f ~4f (textedit://~a:~a:~a:~a) mark_URI\n"
+ (+ (car offset) (car x-ext))
+ (+ (cdr offset) (car y-ext))
+ (+ (car offset) (cdr x-ext))
+ (+ (cdr offset) (cdr y-ext))
+
+ ;; TODO
+ ;;full escaping.
+
+ ;; backslash is interpreted by GS.
+ (ly:string-substitute "\\" "/"
+ (ly:string-substitute " " "%20" file))
+ (cadr location)
+ (caddr location)
+ (cadddr location))
+ ""))
+ ""))
+ ""))
(define (named-glyph font glyph)
- (string-append
- (ps-font-command font) " setfont "
- "/" glyph " glyphshow "))
+ (ly:format "~a /~a glyphshow " ;;Why is there a space at the end?
+ (ps-font-command font)
+ glyph))
(define (no-origin)
"")
+(define (oval x-radius y-radius thick fill)
+ (ly:format
+ "~a ~4f ~4f ~4f draw_oval"
+ (if fill
+ "true"
+ "false")
+ x-radius y-radius thick))
+
(define (placebox x y s)
- (string-append
- (ly:number->string x) " " (ly:number->string y) " { " s " } place-box\n"))
-
-(define (polygon points blotdiameter filled?)
- (string-append
- (ly:numbers->string points) " "
- (ly:number->string (/ (length points) 2)) " "
- (ly:number->string blotdiameter)
- (if filled? " true " " false ")
- " draw_polygon"))
-
-(define (repeat-slash wid slope thick)
- (string-append
- (ly:numbers->string (list wid slope thick))
- " draw_repeat_slash"))
+ (ly:format
+"~4f ~4f moveto
+~a\n" x y s))
+
+(define (polygon points blot-diameter filled?)
+ (ly:format "~a ~4l ~a ~4f draw_polygon"
+ (if filled? "true" "false")
+ points
+ (- (/ (length points) 2) 1)
+ blot-diameter))
+
+(define (repeat-slash width slope beam-thickness)
+ (define (euclidean-length x y)
+ (sqrt (+ (* x x) (* y y))))
+
+ (let ((x-width (euclidean-length beam-thickness (/ beam-thickness slope)))
+ (height (* width slope)))
+ (ly:format "~4l draw_repeat_slash"
+ (list x-width width height))))
+
+
+(define (round-filled-box left right bottom top blotdiam)
+ (let* ((halfblot (/ blotdiam 2))
+ (x (- halfblot left))
+ (width (- right (+ halfblot x)))
+ (y (- halfblot bottom))
+ (height (- top (+ halfblot y))))
+ (ly:format "~4l draw_round_box"
+ (list width height x y blotdiam))))
+
+;; save current color on stack and set new color
+(define (setcolor r g b)
+ (ly:format "gsave ~4l setrgbcolor\n"
+ (list r g b)))
;; restore color from stack
-(define (resetcolor)
- (string-append "setrgbcolor\n"))
+(define (resetcolor) "grestore \n")
-(define (round-filled-box x y width height blotdiam)
- (string-append
- (ly:numbers->string
- (list x y width height blotdiam)) " draw_round_box"))
+;; rotation around given point
+(define (setrotation ang x y)
+ (ly:format "gsave ~4l translate ~a rotate ~4l translate\n"
+ (list x y)
+ ang
+ (list (* -1 x) (* -1 y))))
+
+(define (resetrotation ang x y)
+ "grestore ")
-;; 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"))
(define (text font s)
;; (ly:warning (_ "TEXT backend-command encountered in Pango backend"))
(let* ((space-length (cdar (ly:text-dimension font " ")))
(space-move (string-append (number->string space-length)
+ ;; how much precision do we need here?
" 0.0 rmoveto "))
(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 ~a ~a ~a (~a) mark_URI"
- (car x)
- (car y)
- (cdr x)
- (cdr y)
- url))
-
-(define (utf8-string pango-font-description string)
- (ly:warning (_ "utf8-string encountered in PS backend")))
-
-
-;; TODO: FIX THIS.
-;;
-(define (white-dot x y radius)
- (string-append
- " "
- (ly:numbers->string
- (list x y radius)) " draw_white_dot"))
-
-(define (white-text scale s)
- (let ((mystring (string-append
- "(" s ") " (number->string scale)
- " /Helvetica-Bold "
- " draw_white_text")))
- mystring
- ))
-
-(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"))
+ (ly:format "~a ~a currentpoint vector_add ~a ~a currentpoint vector_add (~a) mark_URI"
+ (car x)
+ (car y)
+ (cdr x)
+ (cdr y)
+ url))
+
+(define (utf-8-string pango-font-description string)
+ (ly:warning (_ "utf-8-string encountered in PS backend")))
+
+(define (path thickness exps)
+ (define (convert-path-exps exps)
+ (if (pair? exps)
+ (let*
+ ((head (car exps))
+ (rest (cdr exps))
+ (arity
+ (cond
+ ((memq head '(rmoveto rlineto lineto moveto)) 2)
+ ((memq head '(rcurveto curveto)) 6)
+ (else 1)))
+ (args (take rest arity))
+ )
+
+ ;; WARNING: this is a vulnerability: a user can output arbitrary PS code here.
+ (cons (ly:format
+ "~l ~a "
+ args
+ head)
+ (convert-path-exps (drop rest arity))))
+ '()))
+
+
+ (ly:format
+ "1 setlinecap ~a setlinewidth\n~l stroke"
+ thickness
+ (convert-path-exps exps) ))
+
projects / lilypond.git / blobdiff