;;;;
;;;; source file of the GNU LilyPond music typesetter
;;;;
-;;;; (c) 1998--2004 Jan Nieuwenhuizen <janneke@gnu.org>
+;;;; (c) 1998--2006 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
+ 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))
(scm framework-ps)
(lily))
-
-;;(map export
-;; (append (ly:all-stencil-expressions) (ly:all-output-backend-commands)))
-
-;; huh?
-;;(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))
;;; 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
(ly:number->string thick)
" draw_bezier_sandwich"))
-(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))
- " draw_bracket"))
-
(define (char font i)
(string-append
(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
(ly:number->string dx) " "
(ly:number->string y2) " lineto stroke"))
(define (embedded-ps string)
+ (display (list "len " (string-length string) "\n"))
string)
-;; FIXME.
-(define (ez-ball ch letter-col ball-col)
- (string-append
- " (" ch ") "
- (ly:numbers->string (list letter-col ball-col))
- ;; FIXME: barf
- " /Helvetica-Bold "
- " draw_ez_ball"))
-
-;; FIXME: use draw_round_box
-(define (filledbox breapth width depth height)
- (string-append (ly:numbers->string (list breapth width depth height))
- " draw_box"))
-
-
-(define (utf8-string pango-font-description string)
- (ly:warn "utf8-string encountered in PS backend"))
-
(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 " g)
- (format #f " ~a ~a rmoveto /~a glyphshow "
- x y g))))
- x-y-named-glyphs))
- ))
-
-(define (grob-cause grob)
- "")
-
-;; WTF is this in every backend?
-(define (horizontal-line x1 x2 th)
- (draw-line th x1 0 x2 0))
+ size cid?
+ w-x-y-named-glyphs)
+
+ (format #f "gsave
+ /~a ~a ~a output-scale div scalefont setfont\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 ~a ~a rmoveto \n" prefix g (+ w x) y)
+ ))
+ 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-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)))
+ (format "~a ~a ~a ~a (textedit://~a:~a:~a:~a) mark_URI\n"
+ (ly:number->string (+ (car offset) (car x-ext)))
+ (ly:number->string (+ (cdr offset) (car y-ext)))
+ (ly:number->string (+ (car offset) (cdr x-ext)))
+ (ly:number->string (+ (cdr offset) (cdr y-ext)))
+
+ ;; TODO
+ ;; full escaping.
+ (string-regexp-substitute " " "%20" file)
+ (cadr location)
+ (caddr location)
+ (cadddr location))
+ "")))))
(define (lily-def key val)
(let ((prefix "lilypondlayout"))
"")
(define (placebox x y s)
- (string-append
- (ly:number->string x) " " (ly:number->string y) " { " s " } place-box\n"))
+ (format
+ "gsave ~a ~a translate
+0 0 moveto
+~a
+grestore\n"
+
+ (ly:number->string x)
+ (ly:number->string y)
+ s))
-(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"))
+;; restore color from stack
+(define (resetcolor)
+ (string-append "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"))
+;; 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:warn "TEXT backend-command encountered in Pango backend\nargs: ~a ~a" font str)
+ ;; (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 "))
- (input-enc "latin1")
- (out-vec (decode-byte-string input-enc s)))
+ (out-vec (decode-byte-string s)))
(string-append
(ps-font-command font) " setfont "
(string-append "/" (symbol->string sym) " glyphshow")))
out-vec))))))
-;; FIXME: BARF helvetica?
-(define (white-text scale s)
- (let ((mystring (string-append
- "(" s ") " (number->string scale)
- " /Helvetica-Bold "
- " draw_white_text")))
- mystring
+(define (unknown)
+ "\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))
- ;; FIXME: broken with user install of GS 8.x
- ""
- ))
+(define (utf-8-string pango-font-description string)
+ (ly:warning (_ "utf-8-string encountered in PS backend")))
-(define (unknown)
- "\n unknown\n")
-(define (white-dot x y radius)
- (string-append
- " "
- (ly:numbers->string
- (list x y radius)) " draw_white_dot"))
(define (zigzag-line centre? zzw zzh thick dx dy)
(string-append