diff options
Diffstat (limited to 'ennum-image.el')
| -rw-r--r-- | ennum-image.el | 35 |
1 files changed, 30 insertions, 5 deletions
diff --git a/ennum-image.el b/ennum-image.el index 3a8aa23..21ab205 100644 --- a/ennum-image.el +++ b/ennum-image.el @@ -3,6 +3,26 @@ (require 'image) (require 'seq) +(defcustom ennum-image-convert-path + "convert" + "Path to imagemagick convert executable." + :type 'string) + +(defcustom ennum-image-identify-path + "identify" + "Path to imagemagick identify executable." + :type 'string) + +(defcustom ennum-image-jpegtran-path + "jpegtran" + "Path to jpegtran executable." + :type 'string) + +(defcustom ennum-image-optipng-path + "optipng" + "Path to optipng executable." + :type 'string) + ;; Check if all necessary image types are supported (seq-do (lambda (image-type) (unless (image-type-available-p image-type) @@ -13,7 +33,10 @@ (seq-do (lambda (external-program) (unless (executable-find external-program) (lwarn '(ennum) :error "`%s' not found" external-program))) - '("convert" "identify" "jpegtran" "optipng")) + (list ennum-image-convert-path + ennum-image-identify-path + ennum-image-jpegtran-path + ennum-image-optipng-path)) (defun ennum-image-resize-image (infile-path outfile-path width) "A simple shell wrapper around ImageMagick's convert" @@ -22,7 +45,7 @@ (svg (copy-file infile-path outfile-path t)) (otherwise - (call-process "convert" nil nil nil + (call-process ennum-image-convert-path nil nil nil infile-path "-resize" (format "%d>" width) outfile-path))) outfile-path) @@ -31,11 +54,13 @@ (ennum-image--assert-file-exists image-path) (cl-case (image-type image-path) (jpeg - (call-process "jpegtran" nil nil nil "-optimize" + (call-process ennum-image-jpegtran-path + nil nil nil "-optimize" "-progressive" "-copy" "none" "-outfile" image-path image-path)) (png - (call-process "optipng" nil nil nil image-path))) + (call-process ennum-image-optipng-path + nil nil nil image-path))) image-path) (defun ennum-image-get-width (image-path) @@ -44,7 +69,7 @@ (svg 1e+INF) (otherwise (with-temp-buffer - (call-process "identify" nil t nil + (call-process ennum-image-identify-path nil t nil "-format" "%w" image-path) (string-to-number (buffer-string)))))) |