-;;;; framework-svg.scm --
+;;
+;; framework-svg.scm -- structure for SVG output
;;;;
;;;; source file of the GNU LilyPond music typesetter
;;;;
-;;;; (c) 2004 Jan Nieuwenhuizen <janneke@gnu.org>
+;;;; (c) 2004--2008 Jan Nieuwenhuizen <janneke@gnu.org>
(define-module (scm framework-svg))
-(use-modules (guile) (lily) (scm output-svg))
-(use-modules (srfi srfi-1) (srfi srfi-2) (srfi srfi-13) (ice-9 regex))
+(use-modules (guile)
+ (lily)
+ (scm page)
+ (scm output-svg))
-;; FIXME: 0.62 to get paper size right
-(define output-scale (* 0.62 scale-to-unit))
+(use-modules (srfi srfi-1)
+ (srfi srfi-2)
+ (srfi srfi-13)
+ (ice-9 regex))
-(define-public (output-framework outputter book scopes fields basename)
- (let* ((paper (ly:paper-book-paper book))
- (pages (ly:paper-book-pages book))
+(define format ergonomic-simple-format)
+
+(define-public (output-framework basename book scopes fields)
+ (let* ((filename (format "~a.svg" basename))
+ (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 'output-scale))
+ (output-scale (* lily-unit->mm-factor
+ unit-length))
+ (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 (inexact->exact (ceiling (* output-scale paper-width))))
+ (page-height (inexact->exact (ceiling (* 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 "~s" page-width))
+ `(height . ,(format "~s" page-height))))
- (ly:outputter-dump-string
- outputter
- (eo 'svg
- '(xmlns . "http://www.w3.org/2000/svg")
- '(version . "1.2")
- `(width . ,(format #f "~smm" page-width))
- `(height . ,(format #f "~smm" page-height))))
-
- (ly:outputter-dump-string outputter (dump-fonts outputter paper))
- (ly:outputter-dump-string
- outputter
- (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)))
-
- (for-each
- (lambda (page)
- (set! page-number (1+ page-number))
- (dump-page outputter page page-number page-count landscape? page-set?))
- pages)
-
- (if page-set? (eo 'pageSet) "")
- (ly:outputter-dump-string
- outputter
- (string-append
- (ec 'g)
- (if page-set? (ec 'pageSet) "")
- (ec 'svg)))))
+ (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)))))
+
+ (for-each
+ (lambda (page)
+ (set! page-number (1+ page-number))
+ (dump-page outputter page page-number page-count landscape? page-set?))
+ page-stencils)
+
+ (if page-set? (eo 'pageSet) "")
+ (dump
+ (string-append
+ (ec 'g)
+ (if page-set? (ec 'pageSet) "")
+ (ec 'svg)))
+
+ (ly:outputter-close outputter)
+ ))
(define (dump-page outputter page page-number page-count landscape? page-set?)
- (ly:outputter-dump-string
- outputter (comment (format #f "Page: ~S/~S" page-number page-count)))
+ (define (dump str) (display str (ly:outputter-port outputter)))
+
+ (dump (comment (format "Page: ~S/~S" page-number page-count)))
(if (or landscape? page-set?)
- (ly:outputter-dump-string
- outputter
- (if landscape? (eo 'page '(page-orientation . "270")) (eo 'page))))
- (ly:outputter-dump-string outputter (string-append (eo 'g)))
+ (dump
+ (if landscape?
+ (eo 'page '(page-orientation . "270"))
+ (eo 'page))))
+
+ (dump (string-append (eo 'g )))
(ly:outputter-dump-stencil outputter page)
- (ly:outputter-dump-string outputter (string-append (ec 'g)))
+ (dump (string-append (ec 'g)))
(if (or landscape? page-set?)
- (ly:outputter-dump-string outputter (ec 'page))))
+ (dump (ec 'page))))
(define (embed-font string)
(let ((start (string-contains string "<defs>"))
(define (dump-fonts outputter paper)
(let* ((fonts (ly:paper-fonts paper))
- (font-names (uniq-list (sort (map ly:font-file-name fonts) string<?)))
+ (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 (ly:gulp-file file-name))
- (begin (ly:warn "cannot find SVG font ~S" x) ""))))
+ (if file-name (embed-font (cached-file-contents file-name))
+ (begin (ly:warning "cannot find SVG font ~S" x) ""))))
(filter string? font-names))))
(entity 'defs (string-join svgs "\n"))))
projects / lilypond.git / blobdiff