Rearrange and reminders.

[lilypond.git] / scm / backend-library.scm

diff --git a/scm/backend-library.scm b/scm/backend-library.scm
index 689478f291c4c8c401be20108294e861f8f337ca..45b156a6c8d84a67a46ef4159f7d5f158b78a5e6 100644 (file)
--- a/scm/backend-library.scm
+++ b/scm/backend-library.scm
@@ -2,13 +2,13 @@
 ;;;;
 ;;;;  source file of the GNU LilyPond music typesetter
 ;;;; 
 ;;;;
 ;;;;  source file of the GNU LilyPond music typesetter
 ;;;; 

-;;;; (c) 2005--2006 Jan Nieuwenhuizen <janneke@gnu.org>
-;;;; Han-Wen Nienhuys <hanwen@cs.uu.nl>
+;;;; (c) 2005--2007 Jan Nieuwenhuizen <janneke@gnu.org>
+;;;; Han-Wen Nienhuys <hanwen@xs4all.nl>

 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; 
 ;; backend helpers.
 
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; 
 ;; backend helpers.
 

-(define-public (ly:system command)
+(define-public (ly:system command . rest)

   (let* ((status 0)
         (dev-null "/dev/null")
         (silenced (if (or (ly:get-option 'verbose)
   (let* ((status 0)
         (dev-null "/dev/null")
         (silenced (if (or (ly:get-option 'verbose)


@@ -17,8 +17,12 @@
                       (format #f "~a > ~a 2>&1 " command dev-null))))
     (if (ly:get-option 'verbose)
        (ly:message (_ "Invoking `~a'...") command))
                       (format #f "~a > ~a 2>&1 " command dev-null))))
     (if (ly:get-option 'verbose)
        (ly:message (_ "Invoking `~a'...") command))

-    
-    (set! status (system silenced))
+
+    (set! status
+         (if (pair? rest)
+             (system-with-env silenced (car rest))
+             (system silenced)))
+       

     (if (> status 0)
        (begin
          (ly:message (_ "`~a' failed (~a)") command status)
     (if (> status 0)
        (begin
          (ly:message (_ "`~a' failed (~a)") command status)


@@ -26,6 +30,22 @@
          ;; hmmm.  what's the best failure option? 
          (throw 'ly-file-failed)))))
 
          ;; hmmm.  what's the best failure option? 
          (throw 'ly-file-failed)))))
 

+(define-public (system-with-env cmd env)
+
+  "Execute CMD in fork, with ENV (a list of strings) as the environment"
+  (let*
+      ;; laziness: should use execle?
+      
+      ((pid (primitive-fork)))
+    (if (= 0 pid)
+       ;; child
+       (begin
+         (environ env)
+         (system cmd))
+       
+       ;; parent
+       (cdr (waitpid pid)))))
+

 (define-public (sanitize-command-option str)
   "Kill dubious shell quoting"
   
 (define-public (sanitize-command-option str)
   "Kill dubious shell quoting"
   


@@ -48,15 +68,24 @@
   
   ;; must be sure that we don't catch stuff from old GUBs.
   (search-executable '("gs")))
   
   ;; must be sure that we don't catch stuff from old GUBs.
   (search-executable '("gs")))

-
+  

 (define-public (postscript->pdf paper-width paper-height name)
 (define-public (postscript->pdf paper-width paper-height name)

-  (let* ((pdf-name (string-append (basename name ".ps") ".pdf"))
-        (cmd (format #f
+  (let* ((pdf-name (string-append
+                   (basename (basename name ".ps") ".eps")
+                   ".pdf"))
+        (is-eps (string-match "\\.eps$" name))
+        (paper-size-string (if is-eps
+                               " -dEPSCrop "
+                               (ly:format "-dDEVICEWIDTHPOINTS=~$ \
+-dDEVICEHEIGHTPOINTS=~$ "
+                                       paper-width paper-height )))
+
+        (cmd (simple-format #f

                      "~a\
  ~a\
  ~a\
                      "~a\
  ~a\
  ~a\

+ ~a\

  -dCompatibilityLevel=1.4 \
  -dCompatibilityLevel=1.4 \

- -dDEVICEWIDTHPOINTS=~,2f -dDEVICEHEIGHTPOINTS=~,2f\

  -dNOPAUSE\
  -dBATCH\
  -r1200 \
  -dNOPAUSE\
  -dBATCH\
  -r1200 \


@@ -67,11 +96,12 @@
 "
                      (search-gs)
                      (if (ly:get-option 'verbose) "" "-q")
 "
                      (search-gs)
                      (if (ly:get-option 'verbose) "" "-q")

-                     (if (ly:get-option 'gs-font-load)
+                     (if (or (ly:get-option 'gs-load-fonts)
+                             (ly:get-option 'gs-load-lily-fonts))
+                             

                          " -dNOSAFER "
                          " -dSAFER ")
                          " -dNOSAFER "
                          " -dSAFER ")

-                     paper-width
-                     paper-height
+                     paper-size-string

                      pdf-name
                      name)))
     ;; The wrapper on windows cannot handle `=' signs,
                      pdf-name
                      name)))
     ;; The wrapper on windows cannot handle `=' signs,


@@ -86,8 +116,7 @@
 
     (ly:message (_ "Converting to `~a'...") pdf-name)
     (ly:progress "\n")
 
     (ly:message (_ "Converting to `~a'...") pdf-name)
     (ly:progress "\n")

-    (ly:system cmd)
-    ))
+    (ly:system cmd)))

 
 (use-modules (scm ps-to-png))
 
 
 (use-modules (scm ps-to-png))
 


@@ -96,48 +125,40 @@
     ;; GS produces PNG files like BASE-page%d.png.
     ;;(ly:message (_ "Converting to `~a'...")
     ;;     (string-append (basename name ".ps") "-page1.png" )))
     ;; GS produces PNG files like BASE-page%d.png.
     ;;(ly:message (_ "Converting to `~a'...")
     ;;     (string-append (basename name ".ps") "-page1.png" )))

-  (let ((verbose (ly:get-option 'verbose))
-       (rename-page-1 #f))
-
+  (let* ((verbose (ly:get-option 'verbose))
+        (rename-page-1 #f))

     (ly:message (_ "Converting to ~a...") "PNG")
     (ly:message (_ "Converting to ~a...") "PNG")

-    (make-ps-images name resolution paper-width paper-height rename-page-1 verbose
-                   (ly:get-option 'anti-alias-factor))
+    (make-ps-images name
+                   #:resolution resolution
+                   #:page-width paper-width
+                   #:page-height paper-height
+                   #:rename-page-1 rename-page-1
+                   #:be-verbose verbose
+                   #:anti-alias-factor (ly:get-option 'anti-alias-factor)
+                   #:pixmap-format (ly:get-option 'pixmap-format))

     (ly:progress "\n")))
 
 (define-public (postprocess-output paper-book module filename formats)
     (ly:progress "\n")))
 
 (define-public (postprocess-output paper-book module filename formats)

-  (let*
-      ((completed (completize-formats formats))
-       (base (string-regexp-substitute "\\.[a-z]+$" "" filename))
-       (intermediate (remove
-                     (lambda (x)
-                       (member x formats)) 
-                     completed)))
-    (for-each
-     (lambda (f)
-       ((eval (string->symbol (string-append "convert-to-" f)) module)
-       paper-book filename))
-     completed)
-
+  (let* ((completed (completize-formats formats))
+        (base (string-regexp-substitute "\\.[a-z]+$" "" filename))
+        (intermediate (remove (lambda (x) (member x formats)) completed)))
+    
+    (for-each (lambda (f)
+               ((eval (string->symbol (format "convert-to-~a" f))
+                      module) paper-book filename)) completed)

     (if (ly:get-option 'delete-intermediate-files)
     (if (ly:get-option 'delete-intermediate-files)

-       (for-each
-        (lambda (f)
-          (delete-file (string-append base "." f)))
-        intermediate))
-    ))
+       (for-each (lambda (f)
+                   (delete-file (string-append base "." f))) intermediate))))

 
 (define-public (completize-formats formats)
   (define new-fmts '())
 
 (define-public (completize-formats formats)
   (define new-fmts '())

-

   (if (member "png" formats)
       (set! formats (cons "ps" formats)))
   (if (member "pdf" formats)
       (set! formats (cons "ps" formats)))
   (if (member "png" formats)
       (set! formats (cons "ps" formats)))
   (if (member "pdf" formats)
       (set! formats (cons "ps" formats)))

-
-  (for-each
-   (lambda (x)
-     (if (member x formats) (set! new-fmts (cons x new-fmts))))
-   '("tex" "dvi" "ps" "pdf" "png"))
-
+  (for-each (lambda (x)
+             (if (member x formats) (set! new-fmts (cons x new-fmts))))
+           '("tex" "dvi" "ps" "pdf" "png"))

   (uniq-list (reverse new-fmts)))
 
 (define (header-to-file file-name key value)
   (uniq-list (reverse new-fmts)))
 
 (define (header-to-file file-name key value)


@@ -149,7 +170,10 @@
              (if (equal? "-" file-name) "<stdout>" file-name))
   (if (equal? file-name "-")
       (display value)
              (if (equal? "-" file-name) "<stdout>" file-name))
   (if (equal? file-name "-")
       (display value)

-      (display value (open-file file-name "w")))
+      (let ((port (open-file file-name "w")))
+       (display value port)
+       (close-port port)))
+

   (ly:progress "\n")
   "")
 
   (ly:progress "\n")
   "")