"Read the file @var{name}, and return its contents in a string. "
"The file is looked up using the search path.")
{
- SCM_ASSERT_TYPE (scm_is_string (name), name, SCM_ARG1, __FUNCTION__, "string");
+ SCM_ASSERT_TYPE (scm_is_string (name), name,
+ SCM_ARG1, __FUNCTION__, "string");
String contents = gulp_file_to_string (ly_scm2string (name), true);
return scm_from_locale_stringn (contents.get_str0 (), contents.length ());
}
(delete-file old)
))
+(define-public (ps-page-count ps-name)
+ (let*
+ ((header (gulp-port (open-file ps-name "r") 10240))
+ (match (string-match "%%Pages: ([0-9]+)" header))
+ (count (if match
+ (string->number (match:substring match 1))
+ 0)))
+ count))
+
(define-public (make-ps-images ps-name . rest)
(let-optional
rest ((resolution 90)
)
(let* ((base (basename (re-sub "[.]e?ps" "" ps-name)))
- (header (gulp-port (open-file ps-name "r") 10240))
+ (header (gulp-port (open-file ps-name "r") 10240))
(png1 (string-append base ".png"))
(pngn (string-append base "-page%d.png"))
- (pngn-re (re-sub "%d" "[0-9]*" pngn))
- (multi-page? (and (string-match "\n%%Pages: " header)
- (not (string-match "\n%%Pages: 1\n" header))))
+ (page-count (ps-page-count ps-name))
+
+ (multi-page? (> page-count 1))
(output-file (if multi-page? pngn png1))
- ;;png16m is because Lily produces color nowadays.
+ ;; png16m is because Lily produces color nowadays.
+ ;; can't use pngalpha device, since IE is broken.
+ ;;
(gs-variable-options
(if multi-page?
(format #f "-sPAPERSIZE=~a" paper-size)
"-dEPSCrop"))
+
(cmd (format #f "~a\
~a\
~a\
(* aa-factor resolution) ps-name))
(status 0)
(files '()))
-
- (for-each delete-file (append (dir-re "." png1)
- (dir-re "." pngn-re)))
-
+
;; The wrapper on windows cannot handle `=' signs,
;; gs has a workaround with #.
(if (eq? PLATFORM 'windows)
(set! status (my-system verbose? #f cmd))
(set! files
- (append (dir-re "." png1) (dir-re "." pngn-re)))
-
+ (if multi-page?
+ (map
+ (lambda (n)
+ (format "~a-page~a.png" base (1+ n)))
+ (iota page-count))
+ (list (format "~a.png" base))))
+
(if (not (= 0 status))
(begin
(map delete-file files)
(exit 1)))
-
+
(if (and rename-page-1? multi-page?)
- (rename-file (re-sub "%d" "1" pngn) png1))
-
- (set! files
- (append (dir-re "." png1) (dir-re "." pngn-re)))
+ (begin
+ (rename-file (re-sub "%d" "1" pngn) png1)
+ (set! files
+ (cons png1
+ (cdr files)))
+ ))
-
(if (not (= 1 aa-factor))
(for-each (lambda (f) (scale-down-image verbose? aa-factor f))
files))