-;;;; output-ps.scm -- implement Scheme output interface for PostScript
+;;;; This file is part of LilyPond, the GNU music typesetter.
;;;;
-;;;; source file of the GNU LilyPond music typesetter
-;;;;
-;;;; (c) 1998--2007 Jan Nieuwenhuizen <janneke@gnu.org>
+;;;; Copyright (C) 1998--2010 Jan Nieuwenhuizen <janneke@gnu.org>
;;;; Han-Wen Nienhuys <hanwen@xs4all.nl>
+;;;;
+;;;; LilyPond is free software: you can redistribute it and/or modify
+;;;; it under the terms of the GNU General Public License as published by
+;;;; the Free Software Foundation, either version 3 of the License, or
+;;;; (at your option) any later version.
+;;;;
+;;;; LilyPond is distributed in the hope that it will be useful,
+;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+;;;; GNU General Public License for more details.
+;;;;
+;;;; You should have received a copy of the GNU General Public License
+;;;; along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
;;;; Note: currently misused as testbed for titles with markup, see
;;;; input/test/title-markup.ly
;;;; * document output-interface
(define-module (scm output-ps)
- #:re-export (quote)
-
- ;; JUNK this -- see lily.scm: ly:all-output-backend-commands
- #:export (unknown
- bezier-sandwich
- char
- circle
- comment
- dashed-line
- dashed-slur
- dot
- draw-line
- embedded-ps
- named-glyph
- no-origin
- placebox
- polygon
- repeat-slash
- resetcolor
- resetrotation
- round-filled-box
- setcolor
- setrotation
- text
- ))
-
+ #:re-export (quote))
(use-modules (guile)
(ice-9 regex)
(- 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)
(define (glyph-spec w x y g)
(let ((prefix (if (string? g) "/" "")))
- (ly:format "~4f ~4f ~a~a"
- (+ w x) y
+ (ly:format "~4f ~4f ~4f ~a~a"
+ w x y
prefix g)))
(ly:format
(+ (car offset) (cdr x-ext))
(+ (cdr offset) (cdr y-ext))
- ;; TODO
- ;;full escaping.
+ ;; Backslashes are not valid
+ ;; file URI path separators.
+ (ly:string-percent-encode
+ (ly:string-substitute "\\" "/" file))
- ;; backslash is interpreted by GS.
- (ly:string-substitute "\\" "/"
- (ly:string-substitute " " "%20" file))
(cadr location)
(caddr location)
(cadddr location))
(define (no-origin)
"")
-(define (placebox x y s)
+(define (oval x-radius y-radius thick fill)
(ly:format
-"~4f ~4f moveto
-~a\n" x y s))
+ "~a ~4f ~4f ~4f draw_oval"
+ (if fill
+ "true"
+ "false")
+ x-radius y-radius thick))
+
+(define (placebox x y s)
+ (if (not (string-null? s))
+ (ly:format "~4f ~4f moveto ~a\n" x y s)
+ ""))
(define (polygon points blot-diameter filled?)
(ly:format "~a ~4l ~a ~4f draw_polygon"
(list r g b)))
;; restore color from stack
-(define (resetcolor) "grestore \n")
+(define (resetcolor) "grestore\n")
;; rotation around given point
(define (setrotation ang x y)
(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)
(cond
((memq head '(rmoveto rlineto lineto moveto)) 2)
((memq head '(rcurveto curveto)) 6)
+ ((eq? head 'closepath) 0)
(else 1)))
(args (take rest arity))
)
(ly:format
- "1 setlinecap ~a setlinewidth\n~l stroke"
+ "gsave currentpoint translate 1 setlinecap ~a setlinewidth\n~l stroke grestore"
thickness
- (convert-path-exps exps) ))
+ (convert-path-exps exps)))