X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=scm%2Fframework-svg.scm;h=2e40558e64d448045218286f58cfcd77ca1d092b;hb=ee95bfc817f230721c7c040f8bd43251d17f3e93;hp=af2ffd8a1a211fff970459e476f546d75ef3d1b5;hpb=1d3b414e482a1948b23295c91d38e090a92e43b2;p=lilypond.git

diff --git a/scm/framework-svg.scm b/scm/framework-svg.scm
index af2ffd8a1a..2e40558e64 100644
--- a/scm/framework-svg.scm
+++ b/scm/framework-svg.scm
@@ -1,69 +1,89 @@
-;;;; 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--2006 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-public (output-framework basename book scopes fields)
+  (let* ((filename (format "~a.svg" basename))
+	 (outputter  (ly:make-paper-outputter (open-file filename "wb")
+					      (ly:output-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-set? (> page-count 1)))
+	 (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 #f "~s" page-width))
+	      `(height . ,(format #f "~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)))))
 
 (define (dump-page outputter page page-number page-count landscape? page-set?)
-  ;; FIXME:landscape
-  (ly:outputter-dump-string
-   outputter (comment (format #f "Page: ~S/~S" page-number page-count)))
-  (if page-set? (ly:outputter-dump-string outputter (eo 'page)))
-  (ly:outputter-dump-string outputter (string-append (eo 'g)))
+  (define (dump str) (display str (ly:outputter-port outputter)))
+  
+  (dump (comment (format #f "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)
-  (ly:outputter-dump-string outputter (string-append (ec 'g)))
-  (if page-set? (ly:outputter-dump-string outputter (ec 'page))))
+  (dump (string-append (ec 'g)))
+  (if (or landscape? page-set?)
+      (dump (ec 'page))))
 
 (define (embed-font string)
   (let ((start (string-contains string "<defs>"))
@@ -72,12 +92,14 @@
 
 (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"))))