X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=scm%2Fbackend-library.scm;h=eaefaf786752821a525cdfa406a353cbac0e18c9;hb=7b3cd88d662454aac42797912d2dc0b7b36700fe;hp=d03b95870ca49543d4d4c61fec9a6d2fc058bcd5;hpb=868ca15a2445e5e5c1873650433dc886416610fa;p=lilypond.git diff --git a/scm/backend-library.scm b/scm/backend-library.scm index d03b95870c..eaefaf7867 100644 --- a/scm/backend-library.scm +++ b/scm/backend-library.scm @@ -2,101 +2,157 @@ ;;;; ;;;; source file of the GNU LilyPond music typesetter ;;;; -;;;; (c) 2005 Jan Nieuwenhuizen -;;;; Han-Wen Nienhuys +;;;; (c) 2005--2006 Jan Nieuwenhuizen +;;;; Han-Wen Nienhuys ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;; backend helpers. (define-public (ly:system command) (let* ((status 0) - (silenced - (string-append command (if (ly:get-option 'verbose) - "" - " > /dev/null 2>&1 ")))) - + (dev-null "/dev/null") + (silenced (if (or (ly:get-option 'verbose) + (not (access? dev-null W_OK))) + command + (format #f "~a > ~a 2>&1 " command dev-null)))) (if (ly:get-option 'verbose) - (format (current-error-port) (_ "Invoking `~a'...") command)) + (ly:message (_ "Invoking `~a'...") command)) (set! status (system silenced)) (if (> status 0) (begin - (format (current-error-port) (_ "`~a' failed (~a)") command status) - (newline (current-error-port)) - + (ly:message (_ "`~a' failed (~a)") command status) + (ly:progress "\n") ;; hmmm. what's the best failure option? (throw 'ly-file-failed))))) (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* ((cmd (string-append "ps2pdf " - (string-append - " -sPAPERSIZE=" - (sanitize-command-option papersizename) - " " - name))) - (pdf-name (string-append (basename name ".ps") ".pdf" ))) +(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 + (basename (basename name ".ps") ".eps") + ".pdf")) + (is-eps (string-match "\\.eps$" name)) + (paper-size-string (if is-eps + " -dEPSCrop " + (format "-dDEVICEWIDTHPOINTS=~,2f \ +-dDEVICEHEIGHTPOINTS=~,2f " + paper-width paper-height ))) + + (cmd (format #f + "~a\ + ~a\ + ~a\ + ~a\ + -dCompatibilityLevel=1.4 \ + -dNOPAUSE\ + -dBATCH\ + -r1200 \ + -sDEVICE=pdfwrite\ + -sOutputFile=~S\ + -c .setpdfwrite\ + -f ~S\ +" + (search-gs) + (if (ly:get-option 'verbose) "" "-q") + (if (ly:get-option 'gs-load-fonts) + " -dNOSAFER " + " -dSAFER ") + paper-size-string + pdf-name + name))) + ;; The wrapper on windows cannot handle `=' signs, + ;; gs has a workaround with #. + (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)) - (format (current-error-port) (_ "Converting to `~a'...") pdf-name) + (ly:message (_ "Converting to `~a'...") pdf-name) + (ly:progress "\n") (ly:system cmd))) -(define-public (postscript->png resolution name) - (let ((cmd (string-append - "ps2png --resolution=" - (if (number? resolution) - (number->string resolution) - "90 ") - (if (ly:get-option 'verbose) - " --verbose " - " ") - name))) - - (ly:system cmd))) +(use-modules (scm ps-to-png)) + +(define-public (postscript->png resolution paper-width paper-height name) + ;; 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") + (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 (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) + (for-each (lambda (f) + (delete-file (string-append base "." f))) 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")) - - new-fmts) + (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) (set! key (symbol->string key)) (if (not (equal? "-" file-name)) (set! file-name (string-append file-name "." key))) - (format (current-error-port) - (_ "Writing header field `~a' to `~a'...") - key - (if (equal? "-" file-name) "" file-name)) + (ly:message (_ "Writing header field `~a' to `~a'...") + key + (if (equal? "-" file-name) "" file-name)) (if (equal? file-name "-") (display value) - (display value (open-file file-name "w"))) - (newline (current-error-port)) + (let ((port (open-file file-name "w"))) + (display value port) + (close-port port))) + + (ly:progress "\n") "") (define-public (output-scopes scopes fields basename)