Doc: Contributor -- fix formatting and add info on fontforge

[lilypond.git] / scm / framework-ps.scm

diff --git a/scm/framework-ps.scm b/scm/framework-ps.scm
index 18038a61af164ce7963bbf7624859a9214f4dcdd..7c44920d67ef05e33cd35d1720036a5bc7777a97 100644 (file)
--- a/scm/framework-ps.scm
+++ b/scm/framework-ps.scm
@@ -263,7 +263,7 @@
            (dir-helper dir (cons e lst)))))
     (reverse (dir-helper (opendir dir-name) '())))
 
-  (define (handle-mac-font name filename)
+  (define (handle-mac-font name file-name)
     (let* ((dir-name (tmpnam))
           (files '())
           (status 0)
@@ -291,7 +291,7 @@
          (begin
            (set! embed "% failed\n")
            (ly:warning (_ "cannot extract file matching ~a from ~a")
-                       name filename)))
+                       name file-name)))
       embed))
 
   (define (font-file-as-ps-string name file-name font-index)
@@ -379,6 +379,7 @@
           (pfas (map font-loader font-names)))
       pfas))
 
+
   (display "%%BeginProlog\n" port)
   (format
    port
@@ -398,6 +399,47 @@
   (display "%%EndProlog\n" port)
   (display "%%BeginSetup\ninit-lilypond-parameters\n%%EndSetup\n\n" port))
 
+(define (ps-quote str)
+        (fold
+          (lambda (replacement-list result)
+                  (string-join
+                    (string-split
+                      result
+                      (car replacement-list))
+                    (cadr replacement-list)))
+          str
+          '((#\\ "\\\\") (#\( "\\(") (#\) "\\)"))))
+
+;;; Create DOCINFO pdfmark containing metadata
+;;; header fields with pdf prefix override those without the prefix
+(define (handle-metadata header port)
+  (define (metadata-encode val)
+    ;; First, call ly:encode-string-for-pdf to encode the string (latin1 or
+    ;; utf-16be), then escape all parentheses and backslashes
+    ;; FIXME guile-2.0: use (string->utf16 str 'big) instead
+
+    (ps-quote (ly:encode-string-for-pdf val)))
+  (define (metadata-lookup-output overridevar fallbackvar field)
+    (let* ((overrideval (ly:modules-lookup (list header) overridevar))
+          (fallbackval (ly:modules-lookup (list header) fallbackvar))
+          (val (if overrideval overrideval fallbackval)))
+      (if val
+         (format port "/~a (~a)\n" field (metadata-encode (markup->string val))))))
+  (display "[ " port)
+  (metadata-lookup-output 'pdfcomposer 'composer "Author")
+  (format port "/Creator (LilyPond ~a)\n" (lilypond-version))
+  (metadata-lookup-output 'pdftitle 'title "Title")
+  (metadata-lookup-output 'pdfsubject 'subject "Subject")
+  (metadata-lookup-output 'pdfkeywords 'keywords "Keywords")
+  (metadata-lookup-output 'pdfmodDate 'modDate "ModDate")
+  (metadata-lookup-output 'pdfsubtitle 'subtitle "Subtitle")
+  (metadata-lookup-output 'pdfcomposer 'composer "Composer")
+  (metadata-lookup-output 'pdfarranger 'arranger "Arranger")
+  (metadata-lookup-output 'pdfpoet 'poet "Poet")
+  (metadata-lookup-output 'pdfcopyright 'copyright "Copyright")
+  (display "/DOCINFO pdfmark\n\n" port))
+
+
 (define-public (output-framework basename book scopes fields)
   (let* ((filename (format "~a.ps" basename))
         (outputter (ly:make-paper-outputter
@@ -407,6 +449,7 @@
                     (open-file filename "wb")
                     'ps))
         (paper (ly:paper-book-paper book))
+        (header (ly:paper-book-header 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))
@@ -422,6 +465,8 @@
     ;; don't do BeginDefaults PageMedia: A4
     ;; not necessary and wrong
     (write-preamble paper #t port)
+    (if (module? header)
+       (handle-metadata header port))
     (for-each
      (lambda (page)
        (set! page-number (1+ page-number))