Update texinfo.tex.

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

diff --git a/scm/backend-library.scm b/scm/backend-library.scm
index 689478f291c4c8c401be20108294e861f8f337ca..3a4ccab817871d821b3e6641e1b0e4d044191e2f 100644 (file)
--- a/scm/backend-library.scm
+++ b/scm/backend-library.scm
@@ -2,13 +2,16 @@
 ;;;;
 ;;;;  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--2009 Jan Nieuwenhuizen <janneke@gnu.org>
+;;;; Han-Wen Nienhuys <hanwen@xs4all.nl>

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

-(define-public (ly:system command)
+(use-modules (scm ps-to-png)
+            (ice-9 optargs))
+
+(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)


@@ -16,9 +19,15 @@
                       command
                       (format #f "~a > ~a 2>&1 " command dev-null))))
     (if (ly:get-option 'verbose)
                       command
                       (format #f "~a > ~a 2>&1 " command dev-null))))
     (if (ly:get-option 'verbose)

-       (ly:message (_ "Invoking `~a'...") command))
-    
-    (set! status (system silenced))
+       (begin
+         (ly:message (_ "Invoking `~a'...") command))
+         (ly:progress "\n"))
+
+    (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 +35,22 @@
          ;; 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"
   


@@ -48,18 +73,27 @@
   
   ;; 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
+                   (dir-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\

- -dCompatibilityLevel=1.4 \
- -dDEVICEWIDTHPOINTS=~,2f -dDEVICEHEIGHTPOINTS=~,2f\
+ ~a\
+ -dCompatibilityLevel=1.4\

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

- -r1200 \
+ -r1200\

  -sDEVICE=pdfwrite\
  -sOutputFile=~S\
  -c .setpdfwrite\
  -sDEVICE=pdfwrite\
  -sOutputFile=~S\
  -c .setpdfwrite\


@@ -67,11 +101,11 @@
 "
                      (search-gs)
                      (if (ly:get-option 'verbose) "" "-q")
 "
                      (search-gs)
                      (if (ly:get-option 'verbose) "" "-q")

-                     (if (ly:get-option 'gs-font-load)
-                         " -dNOSAFER "
-                         " -dSAFER ")
-                     paper-width
-                     paper-height
+                     (if (or (ly:get-option 'gs-load-fonts)
+                             (ly:get-option 'gs-load-lily-fonts))
+                         "-dNOSAFER"
+                         "-dSAFER")
+                     paper-size-string

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


@@ -79,65 +113,52 @@
     (if (eq? PLATFORM 'windows)
        (begin
          (set! cmd (string-regexp-substitute "=" "#" cmd))
     (if (eq? PLATFORM 'windows)
        (begin
          (set! cmd (string-regexp-substitute "=" "#" cmd))

-         (set! cmd (string-regexp-substitute "-dSAFER " "" cmd))))
-
-    (if (access? pdf-name W_OK)
-       (delete-file pdf-name))
+         (set! cmd (string-regexp-substitute "-dSAFER " "" cmd))
+         (if (access? pdf-name W_OK)
+             (delete-file pdf-name))))

 
     (ly:message (_ "Converting to `~a'...") pdf-name)
     (ly:progress "\n")
 
     (ly:message (_ "Converting to `~a'...") pdf-name)
     (ly:progress "\n")

-    (ly:system cmd)
-    ))
-
-(use-modules (scm ps-to-png))
+    (ly:system cmd)))

 
 (define-public (postscript->png resolution paper-width paper-height name)
 
 (define-public (postscript->png resolution paper-width paper-height name)

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

     ;; Do not try to guess the name of the png file,
     ;; GS produces PNG files like BASE-page%d.png.
     ;; Do not try to guess the name of the png file,
     ;; 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))
-

     (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 (dir-basename filename ".ps" ".eps"))
+        (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)
+                   (if (file-exists? f) (delete-file f)))
+                 (map (lambda (x) (string-append base "." x)) 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))))
+           '("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")
   "")
 


@@ -166,3 +190,26 @@
       scope)))
   (apply string-append (map output-scope scopes)))
 
       scope)))
   (apply string-append (map output-scope scopes)))
 

+(define missing-stencil-list '())
+
+(define-public (backend-testing output-module)
+  (define (missing-stencil-expression name)
+    (begin
+      (ly:warning (_ "missing stencil expression `~S'") name)
+      ""))
+
+  (map (lambda (x)
+        (if (not (module-defined? output-module x))
+            (begin
+              (module-define! output-module x
+                              (lambda* (#:optional y . z)
+                                (missing-stencil-expression x)))
+              (set! missing-stencil-list (append (list x)
+                                                 missing-stencil-list)))))
+       (ly:all-stencil-commands)))
+
+(define-public (remove-stencil-warnings output-module)
+  (for-each
+    (lambda (x)
+      (module-remove! output-module x))
+    missing-stencil-list))