;;;;
;;;; source file of the GNU LilyPond music typesetter
;;;;
-;;;; (c) 1998--2004 Jan Nieuwenhuizen <janneke@gnu.org>
+;;;; (c) 1998--2005 Jan Nieuwenhuizen <janneke@gnu.org>
;;;; Han-Wen Nienhuys <hanwen@cs.uu.nl>
;;;; Note: currently misused as testbed for titles with markup, see
;;;; * text setting, kerning.
;;;; * document output-interface
-(debug-enable 'backtrace)
-
(define-module (scm output-ps)
#:re-export (quote)
;; JUNK this -- see lily.scm: ly:all-output-backend-commands
#:export (unknown
- blank
- dot
- white-dot
- beam
- bracket
- dashed-slur
- char
- dashed-line
- zigzag-line
- symmetric-x-triangle
- ez-ball
- comment
- repeat-slash
- placebox
- bezier-sandwich
- horizontal-line
- filledbox
- round-filled-box
- text
- white-text
- tuplet
- polygon
- draw-line
- no-origin
- ))
+ blank
+ circle
+ dot
+ white-dot
+ beam
+ bracket
+ dashed-slur
+ char
+ setcolor
+ resetcolor
+ named-glyph
+ dashed-line
+ zigzag-line
+ ez-ball
+ comment
+ repeat-slash
+ placebox
+ bezier-sandwich
+ horizontal-line
+ embedded-ps
+ filledbox
+ round-filled-box
+ text
+ white-text
+ polygon
+ draw-line
+ no-origin))
(use-modules (guile)
;;(write (ly:all-output-backend-commands))
;;(write (ly:all-stencil-expressions))
-
;;; helper functions, not part of output interface
(define (escape-parentheses s)
(regexp-substitute/global #f "(^|[^\\])([\\(\\)])" s 'pre 1 "\\" 2 'post))
-(define (offset-add a b)
- (cons (+ (car a) (car b))
- (+ (cdr a) (cdr b))))
-
(define (ps-encoding text)
(escape-parentheses text))
(escape-parentheses val)
") def\n"))
+
(define (ps-number-def prefix key val)
(let ((s (if (integer? val)
(ly:number->string val)
(ly:numbers->string (list slope width thick blot)) " draw_beam" ))
;; two beziers
-(define (bezier-sandwich l thick)
+(define (bezier-sandwich lst thick)
(string-append
- (string-join (map ly:number-pair->string l) " ")
+ (string-join (map ly:number-pair->string lst) " ")
" "
(ly:number->string thick)
" draw_bezier_sandwich"))
-(define (bracket arch_angle arch_width arch_height height arch_thick thick)
+(define (bracket arch_angle arch_width arch_height height arch_thick thick)
(string-append
(ly:numbers->string
(list arch_angle arch_width arch_height height arch_thick thick))
(define (char font i)
(string-append
- (ps-font-command font) " setfont "
- "(\\" (ly:inexact->string i 8) ") show" ))
+ (ps-font-command font) " setfont "
+ "(\\" (ly:inexact->string i 8) ") show"))
+
+(define (circle radius thick fill)
+ (format
+ "~a ~a ~a draw_circle" radius thick
+ (if fill
+ "true "
+ "false ")))
(define (dashed-line thick on off dx dy)
(string-append
" ] 0 draw_dashed_line"))
;; what the heck is this interface ?
-(define (dashed-slur thick dash l)
+(define (dashed-slur thick on off l)
(string-append
(string-join (map ly:number-pair->string l) " ")
" "
(ly:number->string thick)
" [ "
- (ly:number->string dash)
- " "
- ;;UGH. 10 ?
- (ly:number->string (* 10 thick))
+ (ly:number->string on)
+ " "
+ (ly:number->string off)
" ] 0 draw_dashed_slur"))
-; todo: merge with tex-font-command?
-
-
-
(define (dot x y radius)
(string-append
" "
(ly:numbers->string
(list x y radius)) " draw_dot"))
-(define (white-dot x y radius)
- (string-append
- " "
- (ly:numbers->string
- (list x y radius)) " draw_white_dot"))
-
(define (draw-line thick x1 y1 x2 y2)
(string-append
"1 setlinecap 1 setlinejoin "
(ly:number->string x2) " "
(ly:number->string y2) " lineto stroke"))
+(define (embedded-ps string)
+ string)
+
+;; FIXME.
(define (ez-ball ch letter-col ball-col)
(string-append
" (" ch ") "
(ly:numbers->string (list letter-col ball-col))
- " /Helvetica-Bold " ;; ugh
+ ;; FIXME: barf
+ " /Helvetica-Bold "
" draw_ez_ball"))
-(define (filledbox breapth width depth height) ; FIXME : use draw_round_box
+;; 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
+ x-y-named-glyphs)
+ (format #f "gsave 1 output-scale div 1 output-scale div scale
+ /~a findfont ~a scalefont setfont\n~a grestore" postscript-font-name size
+ (apply
+ string-append
+ (map (lambda (item)
+ (let
+ ((x (car item))
+ (y (cadr item))
+ (g (caddr item)))
+
+ (if (and (= 0.0 x)
+ (= 0.0 y))
+ (format #f " /~a glyphshow\n" g)
+ (format #f " ~a ~a rmoveto ~a~a glyphshow\n"
+ x y
+ (if (string? g) "/" "")
+ g))))
+ 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))
+ "")))))
+
;; WTF is this in every backend?
(define (horizontal-line x1 x2 th)
(draw-line th x1 0 x2 0))
(define (lily-def key val)
- (let ((prefix "lilypondpaper"))
+ (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"))))
+(define (named-glyph font glyph)
+ (string-append
+ (ps-font-command font) " setfont "
+ "/" glyph " glyphshow "))
+
+(define (no-origin)
+ "")
(define (placebox x y s)
(string-append
(ly:number->string x) " " (ly:number->string y) " { " s " } place-box\n"))
-(define (polygon points blotdiameter)
+(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)
(ly:numbers->string (list wid slope thick))
" draw_repeat_slash"))
-(define (round-filled-box x y width height blotdiam)
- (string-append
- (ly:numbers->string
- (list x y width height blotdiam)) " draw_round_box"))
-
+;; restore color from stack
+(define (resetcolor)
+ (string-append "setrgbcolor\n"))
-(define (stem breapth width depth height) ; FIXME: use draw_round_box.
+(define (round-filled-box x y width height blotdiam)
(string-append
- (ly:numbers->string (list breapth width depth height))
- " draw_box" ))
+ (ly:numbers->string
+ (list x y width height blotdiam)) " draw_round_box"))
-(define (symmetric-x-triangle thick w h)
- (string-append
- (ly:numbers->string (list h w thick))
- " draw_symmetric_x_triangle"))
+;; 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)
- (let*
-
- ;; ugh, we should find a better way to
- ;; extract the hsbw for /space from the font.
-
- ((space-length (cdar (ly:text-dimension font "t")))
- (commands '())
- (add-command (lambda (x) (set! commands (cons x commands)))) )
-
- (string-fold
- (lambda (chr word)
- "Translate space as into moveto, group the rest in words."
- (if (and (< 0 (string-length word))
- (equal? #\space chr))
- (add-command
- (string-append "(" (ps-encoding word) ") show\n")))
-
- (if (equal? #\space chr)
- (add-command (string-append (number->string space-length) " 0.0 rmoveto ")) )
-
- (if (equal? #\space chr)
- ""
- (string-append word (make-string 1 chr))))
- ""
- (string-append s " "))
+ ;; (ly:warning (_ "TEXT backend-command encountered in Pango backend"))
+ ;; (ly:warning (_ "Arguments: ~a ~a"" font str))
+
+ (let* ((space-length (cdar (ly:text-dimension font " ")))
+ (space-move (string-append (number->string space-length)
+ " 0.0 rmoveto "))
+ (out-vec (decode-byte-string s)))
(string-append
(ps-font-command font) " setfont "
- (string-join (reverse commands)))
- ))
-
-
-(define (white-text scale s)
- (let ((mystring (string-append "(" s ") " (number->string scale) " /Helvetica-bold "
- " draw_white_text")))
- mystring))
+ (string-join
+ (vector->list
+ (vector-for-each
+
+ (lambda (sym)
+ (if (eq? sym 'space)
+ space-move
+ (string-append "/" (symbol->string sym) " glyphshow")))
+ out-vec))))))
(define (unknown)
"\n unknown\n")
-(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"))
+(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")))
-(define (grob-cause grob)
- "")
+(define (white-dot x y radius)
+ (string-append
+ " "
+ (ly:numbers->string
+ (list x y radius)) " draw_white_dot"))
-(define (no-origin)
- "")
+(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"))
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