;;;;
;;;; source file of the GNU LilyPond music typesetter
;;;;
-;;;; (c) 2005 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.
-(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)
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)
;; 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"
+
(string-append
"\""
- (regexp-substitute/global #f "[^- 0-9,.a-zA-Z'\"\\]" str 'pre 'post)
+ (regexp-substitute/global #f "[^-_ 0-9,.a-zA-Z'\"\\]" str 'pre 'post)
"\""))
-(define-public (postscript->pdf papersizename name)
- (let* ((pdf-name (string-append (basename name ".ps") ".pdf"))
- (cmd (format #f
- "gs\
+(define-public (search-executable names)
+ (define (helper path lst)
+ (if (null? (cdr lst))
+ (car lst)
+ (if (search-path path (car lst)) (car lst)
+ (helper path (cdr lst)))))
+
+ (let ((path (parse-path (getenv "PATH"))))
+ (helper path names)))
+
+(define-public (search-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)
+ (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\
- -dCompatibilityLevel=1.4 \
- -sPAPERSIZE=~a\
- -q\
+ ~a\
+ ~a\
+ -dCompatibilityLevel=1.4\
-dNOPAUSE\
-dBATCH\
- -r1200 \
+ -q\
+ -r1200\
-sDEVICE=pdfwrite\
-sOutputFile=~S\
-c .setpdfwrite\
-f ~S\
"
- (if (ly:get-option 'gs-font-load)
- " -dNOSAFER "
- " -dSAFER ")
- (sanitize-command-option papersizename)
+ (search-gs)
+ (if (ly:get-option 'verbose) "" "-q")
+ (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,
(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:system cmd)
- (if (running-from-gui?) (delete-file name))))
+ (ly:system cmd)))
(use-modules (scm ps-to-png))
-(define-public (postscript->png resolution paper-size-name 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.
- ;;(ly:message (_ "Converting to `~a'...")
- ;; (string-append (basename name ".ps") "-page1.png" )))
- (let ((paper-size (sanitize-command-option paper-size-name))
- (verbose? (ly:get-option 'verbose))
- (rename-page-1? #f))
(ly:message (_ "Converting to ~a...") "PNG")
- (make-ps-images name resolution paper-size rename-page-1? verbose?)
+ (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)
- (for-each
- (lambda (f)
- ((eval (string->symbol (string-append "convert-to-" f)) module)
- paper-book filename))
- formats))
+ (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)
+ (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 '())
-
(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)
(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")
"")