X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=scm%2Fframework-ps.scm;h=0e68240bd3eb89b1ad40439c1d8d5deea6c9f27f;hb=0387f04497978e37b335a8b99eec905499d6ad0f;hp=c5b12885ccde1939814402ed1a9161f045def670;hpb=123c5ad348d0e8003e4d063f748774c2b08c1ad1;p=lilypond.git

diff --git a/scm/framework-ps.scm b/scm/framework-ps.scm
index c5b12885cc..58026ff726 100644
--- a/scm/framework-ps.scm
+++ b/scm/framework-ps.scm
@@ -1,84 +1,63 @@
-;;;; framework-ps.scm --
+;;;; framework-ps.scm -- structure for PostScript output
 ;;;;
 ;;;;  source file of the GNU LilyPond music typesetter
 ;;;;
-;;;; (c)  2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+;;;; (c) 2004--2008 Han-Wen Nienhuys <hanwen@xs4all.nl>
 
 (define-module (scm framework-ps))
 
 ;;; this is still too big a mess.
 
-(use-modules (ice-9 regex)
-	     (ice-9 string-fun)
-	     (ice-9 format)
+(use-modules (ice-9 string-fun)
 	     (guile)
+	     (scm page)
+	     (scm paper-system)
 	     (srfi srfi-1)
 	     (srfi srfi-13)
+	     (scm clip-region)
 	     (lily))
 
-(define framework-ps-module (current-module))
+(define format ergonomic-simple-format)
 
-(define (stderr string . rest)
-  (apply format (cons (current-error-port) (cons string rest)))
-  (force-output (current-error-port)))
+(define framework-ps-module (current-module))
 
 ;;(define pdebug stderr)
 (define (pdebug . rest) #f)
 
-(define mm-to-bigpoint
-  (/ 72 25.4))
-
-(define-public (ps-font-command font . override-coding)
+(define-public (ps-font-command font)
   (let* ((name (ly:font-file-name font))
 	 (magnify (ly:font-magnification font)))
 
     (string-append
-     "magfont" (string-encode-integer (hashq  name 1000000))
+     "magfont"
+     (ly:string-substitute
+      " " "_"
+      (ly:string-substitute
+       "/" "_"
+       (ly:string-substitute
+	"%" "_" name)))
      "m" (string-encode-integer (inexact->exact (round (* 1000 magnify)))))))
 
-(define (tex-font? fontname)
-  (or
-   (equal? (substring fontname 0 2) "cm")
-   (equal? (substring fontname 0 2) "ec")))
-
-(define (ps-embed-pfa body font-name version)
-  (string-append
-   (format
-    "%%BeginResource: font ~a
-~a
-%%EndResource"
-    font-name body)))
-
-
 (define (define-fonts paper)
   (define font-list (ly:paper-fonts paper))
   (define (define-font command fontname scaling)
     (string-append
-     "/" command " { /" fontname " findfont "
-     (ly:number->string scaling) " output-scale div scalefont } bind def\n"))
-
-  (define (standard-tex-font? x)
-    (or (equal? (substring x 0 2) "ms")
-	(equal? (substring x 0 2) "cm")))
+      "/" command " { /" fontname " " (ly:number->string scaling) " output-scale div selectfont } bind def\n"))
 
   (define (font-load-command font)
     (let* ((specced-font-name (ly:font-name font))
 	   (fontname (if specced-font-name
-			 specced-font-name
+			  specced-font-name
 			 (ly:font-file-name font)))
 	   (command (ps-font-command font))
 
 	   ;; FIXME -- see (ps-font-command )
-	   (plain (ps-font-command font #f))
+	   (plain (ps-font-command font))
 	   (designsize (ly:font-design-size font))
 	   (magnification (* (ly:font-magnification font)))
-	   (ops (ly:output-def-lookup paper 'outputscale))
+	   (ops (ly:output-def-lookup paper 'output-scale))
 	   (scaling (* ops magnification designsize)))
 
-      ;; Bluesky pfbs have UPCASE names (sigh.)
-      ;; FIXME - don't support Bluesky?
-      (if (standard-tex-font? fontname)
-	  (set! fontname (string-upcase fontname)))
       (if (equal? fontname "unknown")
 	  (display (list font fontname)))
       (define-font plain fontname scaling)))
@@ -92,7 +71,7 @@
 ;; FIXME: silly interface name
 (define (output-variables layout)
   ;; FIXME: duplicates output-layout's scope-entry->string, mostly
-  (define (value->string  val)
+  (define (value->string val)
     (cond
      ((string? val) (string-append "(" val ")"))
      ((symbol? val) (symbol->string val))
@@ -106,50 +85,59 @@
 
   (string-append
    "/lily-output-units "
-     (number->string mm-to-bigpoint)
+     (number->string (/ (ly:bp 1)))
      " def %% millimeter\n"
-   (output-entry "staff-line-thickness" 'linethickness)
-   (output-entry "line-width" 'linewidth)
+   (output-entry "staff-line-thickness" 'line-thickness)
+   (output-entry "line-width" 'line-width)
    (output-entry "paper-size" 'papersizename)
-   (output-entry "staff-height" 'staffheight)	;junkme.
+   (output-entry "staff-height" 'staff-height)	;junkme.
    "/output-scale "
-     (number->string (ly:output-def-lookup layout 'outputscale))
+     (number->string (ly:output-def-lookup layout 'output-scale))
      " def\n"
-   (output-entry "page-height" 'vsize)
-   (output-entry "page-width" 'hsize)))
+   (output-entry "page-height" 'paper-height)
+   (output-entry "page-width" 'paper-width)))
 
 (define (dump-page outputter page page-number page-count landscape?)
-  (ly:outputter-dump-string outputter
-			    (string-append
-			     "%%Page: "
-			     (number->string page-number) " " (number->string page-count) "\n"
-
-			     "%%BeginPageSetup\n"
-			     (if landscape?
-				 "page-width output-scale mul 0 translate 90 rotate\n"
-				 "")
-			     "%%EndPageSetup\n"
-
-			     "start-system { "
-			     "set-ps-scale-to-lily-scale "
-			     "\n"))
+  (ly:outputter-dump-string
+   outputter
+   (string-append
+    (format "%%Page: ~a ~a\n" page-number page-number)
+    "%%BeginPageSetup\n"
+    (if landscape?
+	"page-width output-scale lily-output-units mul mul 0 translate 90 rotate\n"
+	"")
+    "%%EndPageSetup\n"
+    
+    "true setstrokeadjust\n"
+    "gsave 0 paper-height translate "
+    "set-ps-scale-to-lily-scale "
+    "\n"))
   (ly:outputter-dump-stencil outputter page)
-  (ly:outputter-dump-string outputter "} stop-system \nshowpage\n"))
+  (ly:outputter-dump-string outputter "stroke grestore\nshowpage\n"))
 
 (define (supplies-or-needs paper load-fonts?)
-  (let* ((fonts (ly:paper-fonts paper)))
+  (define (extract-names font)
+    (if (ly:pango-font? font)
+	(map car (ly:pango-font-physical-fonts font))
+	(list  (ly:font-name font))))
+
+  (let* ((fonts (ly:paper-fonts paper))
+	 (names (apply append (map extract-names fonts))))
+
     (apply string-append
 	   (map (lambda (f)
 		  (format
 		   (if load-fonts?
 		    "%%DocumentSuppliedResources: font ~a\n"
 		    "%%DocumentNeededResources: font ~a\n")
-		   (ly:font-name f)))
-		fonts))))
+		   f))
+		(uniq-list (sort names string<?))))))
 
 (define (eps-header paper bbox load-fonts?)
-    (string-append "%!PS-Adobe-2.0 EPSF-2.0\n"
-		 "%%Creator: creator time-stamp\n"
+  (string-append "%!PS-Adobe-2.0 EPSF-2.0\n"
+		 "%%Creator: LilyPond "
+		 (lilypond-version)
+		 "\n"
 		 "%%BoundingBox: "
 		 (string-join (map ly:number->string bbox) " ") "\n"
 		 "%%Orientation: "
@@ -159,278 +147,636 @@
 		 (supplies-or-needs paper load-fonts?)
 		 "%%EndComments\n"))
 
-(define (page-header paper page-count load-fonts?)
+(define (ps-document-media paper) 
+ (let* ((w (/ (*
+	       (ly:output-def-lookup paper 'output-scale)
+	       (ly:output-def-lookup paper 'paper-width)) (ly:bp 1)))
+	(h (/ (*
+	       (ly:output-def-lookup paper 'paper-height)
+	       (ly:output-def-lookup paper 'output-scale))
+	    (ly:bp 1)))
+	(landscape? (eq? (ly:output-def-lookup paper 'landscape) #t)))
+  (ly:format "%%DocumentMedia: ~a ~2f ~2f ~a ~a ~a\n"
+	     (ly:output-def-lookup paper 'papersizename)
+	     (if landscape? h w)
+	     (if landscape? w h)
+	     80  ;; weight
+	     "()" ;; color
+	     "()"  ;; type
+  )))
+
+
+(define (file-header paper page-count load-fonts?)
   (string-append "%!PS-Adobe-3.0\n"
-		 "%%Creator: creator time-stamp\n"
+		 "%%Creator: LilyPond "
+		 (lilypond-version)
+		 "\n"
+		 
 		 "%%Pages: " (number->string page-count) "\n"
 		 "%%PageOrder: Ascend\n"
 		 "%%Orientation: "
 		 (if (eq? (ly:output-def-lookup paper 'landscape) #t)
 		     "Landscape\n"
 		     "Portrait\n")
-		 "%%DocumentPaperSizes: "
-		 (ly:output-def-lookup paper 'papersizename) "\n"
+		 (ps-document-media paper)
 		 (supplies-or-needs paper load-fonts?)
 		 "%%EndComments\n"))
 
 (define (procset file-name)
-  (string-append
-   (format
+  (format
     "%%BeginResource: procset (~a) 1 0
 ~a
 %%EndResource
 "
-    file-name (ly:gulp-file file-name))))
+    file-name (cached-file-contents file-name)))
+
+(define (embed-document file-name)
+  (format "%%BeginDocument: ~a
+~a
+%%EndDocument
+" 
+    file-name (cached-file-contents file-name)))
 
-(define (setup paper)
+(define (setup-variables paper)
   (string-append
    "\n"
-   "%%BeginSetup\n"
    (define-fonts paper)
    (output-variables paper)
-   "init-lilypond-parameters\n"
-   "%%EndSetup\n"))
+   ))
+
+(define (cff-font? font)
+  (let*
+      ((cff-string (ly:otf-font-table-data font "CFF ")))
+    (> (string-length cff-string) 0)))
+
+(define-public (ps-embed-cff body font-set-name version)
+  (let* ((binary-data
+	  (string-append
+	   (format "/~a ~s StartData " font-set-name (string-length body))
+	   body))
+
+	 (header
+	  (format
+	   "%%BeginResource: font ~a
+%!PS-Adobe-3.0 Resource-FontSet
+%%DocumentNeededResources: ProcSet (FontSetInit)
+%%Title: (FontSet/~a)
+%%Version: ~s
+%%EndComments
+%%IncludeResource: ProcSet (FontSetInit)
+%%BeginResource: FontSet (~a)
+/FontSetInit /ProcSet findresource begin
+%%BeginData: ~s Binary Bytes
+"
+	   font-set-name font-set-name version font-set-name
+	   (string-length binary-data)))
+	 (footer "\n%%EndData
+%%EndResource
+%%EndResource\n"))
+
+    (string-append
+     header
+     binary-data
+     footer)))
+
 
 (define (write-preamble paper load-fonts? port)
+  (define (internal-font? file-name)
+    (or (string-startswith file-name "Emmentaler")
+	(string-startswith file-name "emmentaler")
+	(string-startswith file-name "aybabtu")
+	(string-startswith file-name "Aybabtu")))
+  (define (load-font-via-GS font-name-filename)       
+    (define (ps-load-file file-name)
+      (if (string? file-name)
+	  (if (string-contains file-name (ly:get-option 'datadir))
+	      (begin
+		(set! file-name (ly:string-substitute (ly:get-option 'datadir) "" file-name))
+		(format "lilypond-datadir (~a) concatstrings (r) file .loadfont" file-name))
+	      
+	      (format "(~a) (r) file .loadfont\n" file-name))
+	  (format "% cannot find font file: ~a\n" file-name)))
+
+    (let* ((font (car font-name-filename))
+	   (name (cadr font-name-filename))
+	   (file-name (caddr font-name-filename))
+	   (bare-file-name (ly:find-file file-name)))
+
+      (cons
+       name
+       
+       (if (mac-font? bare-file-name)
+	   (handle-mac-font name bare-file-name)
+	   (cond
+	    ((internal-font? file-name)
+	     (ps-load-file (ly:find-file
+			    (format "~a.otf"  file-name))))
+	    ((string? bare-file-name)
+	     (ps-load-file file-name))
+	    (else
+	     (ly:warning (_ "cannot embed ~S=~S") name file-name)
+	     "")))
+
+	  )))
+
+  (define (dir-join a b)
+    (if (equal? a "")
+	b
+	(string-append a "/" b)))
+    
+  (define (dir-listing dir-name)
+    (define (dir-helper dir lst)
+      (let ((e (readdir dir)))
+	(if (eof-object? e) lst (dir-helper dir (cons e lst)))))
+    (reverse (dir-helper (opendir dir-name) '())))
+      
+  (define (handle-mac-font name filename)
+    (let*
+	((dir-name  (tmpnam))
+	 (files '())
+	 (status 0)
+	 (embed #f))
+
+      (mkdir dir-name #o700)
+      (set! status (ly:system
+		    (format "cd ~a && fondu -force '~a'" dir-name filename)))
+      
+      (set! files (dir-listing dir-name))
+      
+      (for-each
+       (lambda (f)
+	 (let*
+	     ((full-name  (dir-join dir-name f)))
+	   
+	   (if (and (not embed)
+		    (equal? 'regular (stat:type (stat full-name)))
+		    (equal? name (ly:ttf-ps-name full-name)))
+	       
+	       (set! embed
+		     (font-file-as-ps-string name full-name)))
+	   
+	   (if (or (equal? "." f) 
+		   (equal? ".." f))
+	       #t
+	       (delete-file full-name))))
+
+
+       files)
+      (rmdir dir-name)
+
+      (if (not embed)
+	  (begin
+	    (set! embed "% failed\n")
+	    (ly:warning (_ "cannot extract file matching ~a from ~a") name filename)))
+      embed))
+
+    (define (font-file-as-ps-string name file-name)
+      (let*
+	  ((downcase-file-name (string-downcase file-name)))
+	
+      (cond
+       ((and file-name (string-endswith downcase-file-name ".pfa"))
+	(embed-document file-name))
+       ((and file-name (string-endswith downcase-file-name ".pfb"))
+	(ly:pfb->pfa file-name))
+       ((and file-name (string-endswith downcase-file-name ".ttf"))
+	(ly:ttf->pfa file-name))
+       ((and file-name (string-endswith downcase-file-name ".otf"))
+	(ps-embed-cff (ly:otf->cff file-name) name 0))
+       (else
+	(ly:warning (_ "do not know how to embed ~S=~S") name file-name)
+	""))))
+
+    (define (mac-font? bare-file-name)
+      (and
+       (eq? PLATFORM 'darwin)
+       bare-file-name
+       (or
+	(string-endswith  bare-file-name ".dfont")
+	(= (stat:size (stat bare-file-name)) 0))))
+
+  (define (load-font font-name-filename)
+    (let* ((font (car font-name-filename))
+	   (name (cadr font-name-filename))
+	   (file-name (caddr font-name-filename))
+	   (bare-file-name (ly:find-file file-name)))
+      
+      (cons
+       name
+       (cond
+
+	((mac-font? bare-file-name)
+	 (handle-mac-font name bare-file-name))
+
+	((and font (cff-font? font))
+	 (ps-embed-cff (ly:otf-font-table-data font "CFF ")
+		       name
+		       0))
+
+	(bare-file-name (font-file-as-ps-string name bare-file-name))
+	(else
+	 (ly:warning (_ "do not know how to embed font ~s ~s ~s")
+		     name file-name font))))))
+	
+
   (define (load-fonts paper)
     (let* ((fonts (ly:paper-fonts paper))
+
+	   ;; todo - doc format of list.
 	   (all-font-names
 	    (map
 	     (lambda (font)
-	       (if (string? (ly:font-file-name font))
-		   (list (ly:font-file-name font))
-		   (ly:font-sub-fonts font)))
+	       (cond
+		((string? (ly:font-file-name font))
+		 (list (list
+			font
+			(ly:font-name font)
+			(ly:font-file-name font))))
+		((ly:pango-font? font)
+		 (map
+		  (lambda (name-psname-pair)
+		    (list #f
+			  (car name-psname-pair)
+			  (cdr name-psname-pair)))
+		  (ly:pango-font-physical-fonts font)))
+
+		(else
+		 (ly:font-sub-fonts font))))
 
 	     fonts))
 	   (font-names
 	    (uniq-list
-	     (sort (apply append all-font-names) string<?)))
-	   (pfas (map
-		  (lambda (x)
-		    (let* ((bare-file-name (ly:find-file x))
-			   (cffname (string-append x ".cff"))
-			   (aname (string-append x ".pfa"))
-			   (bname (string-append x ".pfb"))
-			   (cff-file-name (ly:find-file cffname))
-			   (a-file-name (ly:kpathsea-find-file aname))
-			   (b-file-name (ly:kpathsea-find-file bname)))
-		      (cond
-		       (bare-file-name (if (string-match "\\.pfb" bare-file-name)
-					   (ly:pfb->pfa bare-file-name)
-					   (ly:gulp-file bare-file-name)))
-		       (cff-file-name (ps-embed-cff (ly:gulp-file cff-file-name) x 0))
-		       (a-file-name (ps-embed-pfa (ly:gulp-file a-file-name) x 0))
-		       (b-file-name (ps-embed-pfa (ly:pfb->pfa b-file-name) x 0))
-		       (else
-			(ly:warn "cannot find CFF/PFA/PFB font ~S" x)
-			""))))
-		  (filter string? font-names))))
-	   pfas))
-      
+	     (sort (apply append all-font-names)
+		   (lambda (x y) (string<? (cadr x) (cadr y))))))
+
+	   ;; slightly spaghetti-ish: deciding what to load where
+	   ;; is smeared out.
+	   (font-loader (lambda (name)
+			  (cond
+			   ((ly:get-option 'gs-load-fonts) 
+			    (load-font-via-GS name))
+			   ((ly:get-option 'gs-load-lily-fonts)
+			    (if (or
+				 (string-contains (caddr name) (ly:get-option 'datadir))
+				 (internal-font? (caddr name)))
+
+				(load-font-via-GS name)
+				(load-font name)))
+			   (else (load-font name)))))
+			 
+	   (pfas (map font-loader font-names)))
+      pfas))
+
+  (display "%%BeginProlog\n" port)
+
+  (format port
+	    "/lilypond-datadir where {pop} {userdict /lilypond-datadir (~a) put } ifelse"
+	    (ly:get-option 'datadir))
+  
+  (if load-fonts?
+      (for-each
+       (lambda (f)
+	 (format port "\n%%BeginFont: ~a\n" (car f))
+	 (display (cdr f) port)
+	 (display "\n%%EndFont\n" port))
+       (load-fonts paper)))
+
+  (display (setup-variables paper) port)
 
+  ;; adobe note 5002: should initialize variables before loading routines.
   (display (procset "music-drawing-routines.ps") port)
   (display (procset "lilyponddefs.ps") port)
-  (if load-fonts?
-      (for-each (lambda (f) (display f port)) (load-fonts paper)))
-  (display (setup paper) port))
+
+  (display "%%EndProlog\n" port)
+  
+  (display "%%BeginSetup\ninit-lilypond-parameters\n%%EndSetup\n\n" port))
 
 (define-public (output-framework basename book scopes fields)
   (let* ((filename (format "~a.ps" basename))
-	 (outputter  (ly:make-paper-outputter filename
-					      (ly:output-backend)))
+	 (outputter (ly:make-paper-outputter
+		     ;; FIXME: better wrap open/open-file,
+		     ;; content-mangling is always bad.
+		     ;; MINGW hack: need to have "b"inary for embedding CFFs
+		     (open-file filename "wb")
+		     'ps))
 	 (paper (ly:paper-book-paper book))
-	 (pages (ly:paper-book-pages book))
+	 (systems (ly:paper-book-systems 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))
+	 (page-number (1- (ly:output-def-lookup paper 'first-page-number)))
+	 (page-count (length page-stencils))
 	 (port (ly:outputter-port outputter)))
 
 
-    (display (page-header paper page-count #t) port)
-    (write-preamble paper #t  port)
+    (if (ly:get-option 'clip-systems)
+	(clip-system-EPSes basename book))
+
+    (if (ly:get-option 'dump-signatures)
+	(write-system-signatures basename (ly:paper-book-systems book) 1))
+  
+    (output-scopes scopes fields basename)
+    (display (file-header paper page-count #t) port)
+    
+    ;; don't do BeginDefaults PageMedia: A4 
+    ;; not necessary and wrong
+    
+    (write-preamble paper #t port)
 
     (for-each
      (lambda (page)
        (set! page-number (1+ page-number))
        (dump-page outputter page page-number page-count landscape?))
-     pages)
+     page-stencils)
 
     (display "%%Trailer\n%%EOF\n" port)
     (ly:outputter-close outputter)
-    (postprocess-output book framework-ps-module filename (ly:output-formats))
-))
-
-(if (not (defined? 'nan?))
-    (define (nan? x) #f))
-(if (not (defined? 'inf?))
-    (define (inf? x) #f))
-
-(define-public (output-preview-framework basename book scopes fields )
-  (let* ((filename (format "~a.ps" basename))
-	 (outputter  (ly:make-paper-outputter filename
-					      (ly:output-backend)))
-	 (paper (ly:paper-book-paper book))
-	 (systems (ly:paper-book-systems book))
-	 (scale  (ly:output-def-lookup paper 'outputscale ))
-	 (titles (take-while ly:paper-system-title? systems))
-	 (non-title (find (lambda (x)
-			    (not (ly:paper-system-title? x))) systems))
-	 (dump-me
-	  (stack-stencils Y DOWN 0.0
-			  (map ly:paper-system-stencil
-			       (append titles (list non-title)))))
-	 (xext (ly:stencil-extent dump-me X))
-	 (yext (ly:stencil-extent dump-me Y))
-	 (bbox
-	  (map
-	   (lambda (x)
-	     (if (or (nan? x) (inf? x))
-		 0.0 x))
-	   (list (car xext) (car yext)
-		 (cdr xext) (cdr yext))))
-	 (rounded-bbox
-	  (map
-	   (lambda (x)
-	     (inexact->exact
-	      (round (* x scale mm-to-bigpoint))))))
-	 (port (ly:outputter-port outputter))
-	  )
-    
-
-    (display (eps-header paper rounded-bbox #t) port)
-    (write-preamble paper #t port)
-    (display "start-system { set-ps-scale-to-lily-scale \n" port)
-    (ly:outputter-dump-stencil outputter dump-me)
-    (display outputter "} stop-system\n%%Trailer\n%%EOF\n" port)
-    (ly:outputter-close outputter)
     (postprocess-output book framework-ps-module filename
-			(ly:output-formats))
-))
+			 (ly:output-formats))))
+
+(define-public (dump-stencil-as-EPS paper dump-me filename
+				    load-fonts)
+  
+  (let*
+      ((xext (ly:stencil-extent dump-me X))
+       (yext (ly:stencil-extent dump-me Y))
+       (padding (ly:get-option 'eps-box-padding))
+       (left-overshoot (if (number? padding)
+			   (* -1 padding (ly:output-def-lookup paper 'mm))
+			   #f))
+       (bbox
+	(map
+	 (lambda (x)
+	   (if (or (nan? x) (inf? x)
+		     ;; FIXME: huh?
+		   (equal? (format #f "~S" x) "+#.#")
+		   (equal? (format #f "~S" x) "-#.#"))
+	       0.0 x))
+
+	   ;; the left-overshoot is to make sure that
+	   ;; bar numbers  stick out of margin uniformly.
+	   ;;
+	   (list
+	    
+	    (if (number? left-overshoot)
+		(min left-overshoot (car xext))
+		(car xext))
+	    (car yext) (cdr xext) (cdr yext)))))
+
+       (dump-stencil-as-EPS-with-bbox paper dump-me filename load-fonts bbox)
+       ))
+	 
+	   
+(define-public (dump-stencil-as-EPS-with-bbox paper dump-me filename
+					      load-fonts
+					      bbox)
+  "Create an EPS file from stencil DUMP-ME to FILENAME. BBOX has format
+   (left-x, lower-y, right x, up-y).  If LOAD-FONTS set, include fonts inline." 
+
+  (define (to-rounded-bp-box box)
+    "Convert box to 1/72 inch with rounding to enlarge the box."
+    (let* ((scale (ly:output-def-lookup paper 'output-scale))
+	   (strip-non-number (lambda (x)
+			       (if (or (nan? x) (inf? x)) 0.0 x)))
+	   (directed-round (lambda (x rounder)
+			     (inexact->exact
+			      (rounder (/ (* (strip-non-number x) scale)
+					  (ly:bp 1)))))))
+      (list (directed-round (car box) floor)
+	    (directed-round (cadr box) floor)
+	    (directed-round (max (1+ (car box)) (caddr box)) ceiling)
+	    (directed-round (max (1+ (cadr box)) (cadddr box)) ceiling)
+	  )))
 
+  (let* ((outputter (ly:make-paper-outputter
+		     ;; FIXME: better wrap open/open-file,
+		     ;; content-mangling is always bad.
+		     ;; MINGW hack: need to have "b"inary for embedding CFFs
+		     (open-file (format "~a.eps" filename) "wb")
+		     'ps))
 
-(define-public (output-classic-framework
-		basename book scopes fields)
-  (define paper (ly:paper-book-paper book))
-  (define (dump-line outputter line)
-    (let*
-	((dump-me (ly:paper-system-stencil line))
-	 (xext (ly:stencil-extent dump-me X))
-	 (yext (ly:stencil-extent dump-me Y))
-	 (scale  (ly:output-def-lookup paper 'outputscale))
-	 (bbox
-	  (map
-	   (lambda (x)
-	     (if (or (nan? x) (inf? x))
-		 0.0 x))
-	   (list (car xext) (car yext)
-		 (cdr xext) (cdr yext))))
-	 (rounded-bbox
-	  (map
-	   (lambda (x)
-	     (inexact->exact
-	      (round (* x scale mm-to-bigpoint)))) bbox))
 	 (port (ly:outputter-port outputter))
-	 (header (eps-header paper rounded-bbox #f)))
+	 (rounded-bbox (to-rounded-bp-box bbox))
+	 (port (ly:outputter-port outputter))
+	 (header (eps-header paper rounded-bbox load-fonts)))
 
     (display header port)
-    (write-preamble paper #f port)
-    (display "start-system { set-ps-scale-to-lily-scale \n" port)
+    (write-preamble paper load-fonts port)
+    (display "gsave set-ps-scale-to-lily-scale\n" port)
     (ly:outputter-dump-stencil outputter dump-me)
-    (display "} stop-system\n%%Trailer\n%%EOF\n" port)
+    (display "stroke grestore\n%%Trailer\n%%EOF\n" port)
     (ly:outputter-close outputter)))
 
 
-  (define (dump-infinite-page lines)
-    (let*
-	((outputter  (ly:make-paper-outputter (format "~a.eps" basename)
-					      (ly:output-backend)))
-	 (stencils (map ly:paper-system-stencil lines))
-	 (dump-me (stack-stencils Y DOWN 2.0 stencils))
-	 (xext (ly:stencil-extent dump-me X))
-	 (yext (ly:stencil-extent dump-me Y))
-	 (scale  (ly:output-def-lookup paper 'outputscale))
-	 (bbox
-	  (map
-	   (lambda (x)
-	     (if (or (nan? x) (inf? x))
-		 0.0 x))
-	   (list (car xext) (car yext)
-		 (cdr xext) (cdr yext))))
-	 (ps-bbox (map (lambda (x)
-			 (inexact->exact
-			  (round (* x scale mm-to-bigpoint))))
-		       bbox))
+
+(define (clip-systems-to-region
+	 basename paper systems region
+	 do-pdf)
+
+  (let*
+      ((extents-system-pairs
+	(filtered-map
+	 (lambda (paper-system)
+	   (let*
+	       ((x-ext (system-clipped-x-extent
+			(paper-system-system-grob paper-system)
+			region)))
+
+	     (if x-ext
+		 (cons x-ext paper-system)
+		 #f)))
 	 
-	 (port (ly:outputter-port outputter))
-	 (header (eps-header paper ps-bbox #t)))
-
-      (display header port)
-      (write-preamble paper #t port)
-      (display "start-system { set-ps-scale-to-lily-scale \n" port)
-      (ly:outputter-dump-stencil outputter dump-me)
-      (display "} stop-system\n%%Trailer\n%%EOF\n" port)
-      (ly:outputter-close outputter)))
-
-  (define (dump-lines lines count)
-    (if (pair? lines)
-	(let*
-	    ((outputter  (ly:make-paper-outputter (format "~a-~a.eps" basename count)
-						  (ly:output-backend)))
-	     (line (car lines))
-	     (rest (cdr lines)))
-	  (dump-line outputter line)
-	  (dump-lines rest (1+ count))
-	  )))
+	 systems))
+       (count 0))
+    
+    (for-each
+     (lambda (ext-system-pair)
+       (let*
+	   ((xext (car ext-system-pair))
+	    (paper-system (cdr ext-system-pair))
+	    (yext (paper-system-extent paper-system Y))
+	    (bbox (list (car xext) (car yext)
+			(cdr xext) (cdr yext)))
+	    (filename (if (< 0 count)
+			  (format "~a-~a" basename count)
+			  basename)))
+
+	 (set! count (1+ count))
+	 (dump-stencil-as-EPS-with-bbox
+	  paper
+	  (paper-system-stencil paper-system)
+	  filename
+	  (ly:get-option 'include-eps-fonts)
+	  bbox)
+
+	 (if do-pdf
+	     (postscript->pdf  0 0  (format "~a.eps" filename)))
+	 ))
+
+     extents-system-pairs)
+    ))
+
+
+(define-public (clip-system-EPSes basename paper-book)
+  (define do-pdf (member  "pdf" (ly:output-formats)))
+
+  (define (clip-score-systems basename systems)
+    (let*
+	((layout (ly:grob-layout (paper-system-system-grob (car systems))))
+	 (regions (ly:output-def-lookup layout 'clip-regions)))
+      
+      (for-each
+       (lambda (region)
+	 (clip-systems-to-region
+	  (format "~a-from-~a-to-~a-clip"
+		  basename
+		  (rhythmic-location->file-string (car region))
+		  (rhythmic-location->file-string (cdr region)))
+	  layout systems region
+	  do-pdf))
+       
+       regions)))
+  
+
+  ;; partition in system lists sharing their layout blocks
+  (let*
+      ((systems (ly:paper-book-systems paper-book))
+       (count 0)
+       (score-system-list '()))
+
+    (fold 
+     (lambda (system last-system)
+    
+       
+       (if (not (and last-system
+		     (equal? (paper-system-layout last-system)
+			     (paper-system-layout system))))
+	   (set! score-system-list (cons '() score-system-list)))
+       
+       (if (paper-system-layout system)
+	   (set-car! score-system-list (cons system (car score-system-list))))
 
-  (let* ((lines (ly:paper-book-systems book))
-	 (tex-system-name (format "~a-systems.tex" basename))
-	 (texi-system-name (format "~a-systems.texi" basename))
-	 (tex-system-port (open-output-file tex-system-name))
-	 (texi-system-port (open-output-file texi-system-name))
-	 (last-line (car (last-pair lines)))
-	 (pages (ly:paper-book-pages book))
-	 )
+       ;; pass value.
+       system)
+
+     #f 
+     systems)
+
+    (for-each
+     (lambda (system-list)
+       (clip-score-systems
+	(if (> count 0)
+	    (format "~a-~a" basename count)
+	    basename)
+	system-list))
 
-    (display (format "Writing ~a\n" tex-system-name))
-    (display (format "Writing ~a\n" texi-system-name))
-    (dump-lines lines 1)
-    (for-each (lambda (c)
-		(display (format "\\includegraphics{~a-~a.eps}%\n"
-				 basename (1+ c)) tex-system-port)
-		(display (format "@image{~a-~a}%\n"
-				 basename (1+ c)) texi-system-port))
-	      (iota (length lines)))
-
-    (display "@c eof" texi-system-port)
-    (display "% eof" tex-system-port)
-    (dump-infinite-page lines))
-    (postprocess-output book framework-ps-module (format "~a.eps" basename) (ly:output-formats)))
+     score-system-list)))
+
+
+(define-public (output-preview-framework basename book scopes fields)
+  (let* ((paper (ly:paper-book-paper book))
+	 (systems (ly:paper-book-systems book))
+	 (scale (ly:output-def-lookup paper 'output-scale))
+	 (to-dump-systems '()))
+
+    ;; skip booktitles.
+    (if (and
+	 (not (ly:get-option 'include-book-title-preview))
+	 (pair? systems)
+	 (ly:prob-property (car systems) 'is-book-title #f))
+
+	(set! systems (cdr systems)))
+
+    (for-each
+     (lambda (sys)
+       (if (or
+	    (paper-system-title? sys)
+	    (not (pair? to-dump-systems))
+	    (paper-system-title? (car to-dump-systems)))
+	   (set! to-dump-systems (cons sys to-dump-systems))))
+     systems)
+
+    (dump-stencil-as-EPS
+     paper
+     (stack-stencils Y DOWN 0.0
+		     (map paper-system-stencil (reverse to-dump-systems)))
+     (format "~a.preview" basename)
+     #t)
+
+    (postprocess-output book framework-ps-module
+			(format "~a.preview.eps" basename)
+			(cons "png" (ly:output-formats)))))
+
+(if #f
+    (define-public (output-preview-framework basename book scopes fields)
+
+      (let* ((paper (ly:paper-book-paper book))
+	     (systems (ly:paper-book-systems book))
+	     (scale (ly:output-def-lookup paper 'output-scale))
+	     (titles (take-while paper-system-title? systems))
+	     (non-title (find (lambda (x)
+				(not (paper-system-title? x))) systems))
+	     (dump-me
+	      (stack-stencils Y DOWN 0.0
+			      (map paper-system-stencil
+				   (append titles (list non-title))))))
+	(output-scopes scopes fields basename)
+	(dump-stencil-as-EPS paper dump-me
+			     (format "~a.preview" basename)
+			     #t)
+
+	(postprocess-output book framework-ps-module
+			    (format "~a.preview.eps" basename)
+			     (ly:output-formats)))))
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 
 (define-public (convert-to-pdf book name)
   (let* ((defs (ly:paper-book-paper book))
-	 (papersizename (ly:output-def-lookup defs 'papersizename)))
+	 (landscape (ly:output-def-lookup defs 'landscape))
+	 (output-scale (ly:output-def-lookup defs 'output-scale))
+	 (convert (lambda (x) (* x output-scale (/ (ly:bp 1)))))
+	 
+	 (paper-width (convert (ly:output-def-lookup defs 'paper-width)))
+	 (paper-height (convert (ly:output-def-lookup defs 'paper-height)))
+
+	 (w (if landscape paper-height paper-width))
+	 (h (if landscape paper-width paper-height))
+	 )
 
-    (if (equal? name "-")
-	(ly:warn "Can't convert <stdout> to PDF")
-	(postscript->pdf (if (string? papersizename) papersizename "a4")
-			 name))))
+    (if (equal? (basename name ".ps") "-")
+	(ly:warning (_ "cannot convert <stdout> to ~S" "PDF"))
+	(postscript->pdf w h name))))
 
 (define-public (convert-to-png book name)
   (let* ((defs (ly:paper-book-paper book))
-	 (resolution (ly:output-def-lookup defs 'pngresolution)))
+	 (defs-resolution (ly:output-def-lookup defs 'pngresolution))
+	 (resolution (if (number? defs-resolution)
+			 defs-resolution
+			 (ly:get-option 'resolution)))
+	 (paper-width (ly:output-def-lookup defs 'paper-width))
+	 (paper-height (ly:output-def-lookup defs 'paper-height))
+	 (output-scale (ly:output-def-lookup defs 'output-scale)))
+
+    (postscript->png resolution
+		     (* paper-width output-scale (/ (ly:bp 1)))
+		     (* paper-height output-scale (/ (ly:bp 1)))
+		     name)))
 
-    (postscript->png (if (number? resolution) resolution
+(define-public (convert-to-ps book name)
+  #t)
 
-			 (ly:get-option 'resolution))
-		     name)))
+(define-public (output-classic-framework basename book scopes fields)
 
-(define-public (convert-to-dvi book name)
-  (ly:warn "Can not generate DVI via the postscript back-end"))
+  (ly:error (_ "\nThe PostScript backend does not support the system-by-system 
+output. For that, use the EPS backend instead,
 
-(define-public (convert-to-tex book name)
-  (ly:warn "Can not generate TeX via the postscript back-end"))
+  lilypond -dbackend=eps FILE
 
-(define-public (convert-to-ps book name)
-  #t)
+If have cut & pasted a lilypond fragment from a webpage, be sure
+to only remove anything before
+
+  %% ****************************************************************
+  %% Start cut-&-pastable-section
+  %% ****************************************************************
+")))