-;;;; framework-svg.scm --
+;;
+;; framework-svg.scm -- structure for SVG output
;;;;
;;;; source file of the GNU LilyPond music typesetter
;;;;
-;;;; (c) 2004--2005 Jan Nieuwenhuizen <janneke@gnu.org>
+;;;; (c) 2004--2009 Jan Nieuwenhuizen <janneke@gnu.org>
(define-module (scm framework-svg))
(use-modules (guile)
(lily)
+ (scm page)
(scm output-svg))
(use-modules (srfi srfi-1)
(srfi srfi-13)
(ice-9 regex))
-(if #t
- (begin
- (debug-enable 'debug)
- (debug-enable 'backtrace)
- (read-enable 'positions)))
+(define format ergonomic-simple-format)
(define-public (output-framework basename book scopes fields)
(let* ((filename (format "~a.svg" basename))
- (outputter (ly:make-paper-outputter filename
- (ly:output-backend)))
+ (outputter (ly:make-paper-outputter (open-file filename "wb")
+ (ly:get-option 'backend)))
(dump (lambda (str) (display str (ly:outputter-port outputter))))
(paper (ly:paper-book-paper book))
- (unit-length (ly:output-def-lookup paper 'outputscale))
+ (unit-length (ly:output-def-lookup paper 'output-scale))
(output-scale (* lily-unit->mm-factor
unit-length))
- (pages (ly:paper-book-pages book))
+ (page-stencils (map page-stencil (ly:paper-book-pages book)))
(landscape? (eq? (ly:output-def-lookup paper 'landscape) #t))
- (page-number (1- (ly:output-def-lookup paper 'firstpagenumber)))
- (page-count (length pages))
- (hsize (ly:output-def-lookup paper 'hsize))
- (vsize (ly:output-def-lookup paper 'vsize))
- (page-width (inexact->exact (ceiling (* output-scale hsize))))
- (page-height (inexact->exact (ceiling (* output-scale vsize))))
+ (page-number (1- (ly:output-def-lookup paper 'first-page-number)))
+ (page-count (length page-stencils))
+ (paper-width (ly:output-def-lookup paper 'paper-width))
+ (paper-height (ly:output-def-lookup paper 'paper-height))
+ (page-width (* output-scale paper-width))
+ (page-height (* output-scale paper-height))
(page-set? (or (> page-count 1) landscape?)))
(ly:outputter-output-scheme outputter
`(begin (set! lily-unit-length ,unit-length) ""))
(dump (eo 'svg
'(xmlns . "http://www.w3.org/2000/svg")
+ '(xmlns:xlink . "http://www.w3.org/1999/xlink")
'(version . "1.2")
-
- ;; Argggghhhh: SVG takes the px <-> mm mapping from the windowing system
- `(width . ,(format #f "~s" page-width))
- `(height . ,(format #f "~s" page-height))))
+ `(width . ,(ly:format "~2fmm" page-width))
+ `(height . ,(ly:format "~2fmm" page-height))
+ `(viewBox . ,(ly:format "0 0 ~4f ~4f"
+ paper-width paper-height))))
- (dump (dump-fonts outputter paper))
(dump
(string-append
;; FIXME: only use pages if there are more than one, pageSet is
;; not supported by all SVG applications yet.
- (if page-set? (eo 'pageSet) "")
- (eo 'g `(transform . ,(format "scale(~a,~a)" output-scale output-scale)))))
+ (if page-set? (eo 'pageSet) "")))
(for-each
(lambda (page)
(set! page-number (1+ page-number))
(dump-page outputter page page-number page-count landscape? page-set?))
- pages)
+ page-stencils)
(if page-set? (eo 'pageSet) "")
(dump
(string-append
- (ec 'g)
(if page-set? (ec 'pageSet) "")
- (ec 'svg)))))
+ (ec 'svg)))
+
+ (ly:outputter-close outputter)
+ ))
(define (dump-page outputter page page-number page-count landscape? page-set?)
(define (dump str) (display str (ly:outputter-port outputter)))
- (dump (comment (format #f "Page: ~S/~S" page-number page-count)))
+ (dump (comment (format "Page: ~S/~S" page-number page-count)))
(if (or landscape? page-set?)
(dump
(if landscape?
(eo 'page '(page-orientation . "270"))
(eo 'page))))
- (dump (string-append (eo 'g)))
(ly:outputter-dump-stencil outputter page)
- (dump (string-append (ec 'g)))
(if (or landscape? page-set?)
(dump (ec 'page))))
-
-(define (embed-font string)
- (let ((start (string-contains string "<defs>"))
- (end (string-contains string "</defs>")))
- (substring string (+ start 7) (- end 1))))
-
-(define (dump-fonts outputter paper)
- (let* ((fonts (ly:paper-fonts paper))
- (font-names (uniq-list (sort
- (filter string?
- (map ly:font-file-name fonts)) string<?)))
- (svgs (map
- (lambda (x)
- (let ((file-name (ly:find-file (string-append x ".svg"))))
- (if file-name (embed-font (cached-file-contents file-name))
- (begin (ly:warn "cannot find SVG font ~S" x) ""))))
- (filter string? font-names))))
- (entity 'defs (string-join svgs "\n"))))
-