Hi Helmut, On Wed, 19 Jun 2019 11:22:25 +0200 Helmut Jarausch via gimp-user-list <gimp-user-list@gnome.org> wrote:
> Hi, > > I've found a script for batch "wavelet sharpening" all images in a > folder. > This .scm script uses the function gimp-file-save. > The (sharpened) image has only 6 instead of 10 Mbytes. A JPEG quality > estimator shows > 98% for the original file and only 90% for the sharpened file. > When exporting a file to JPEG interactively one can specify the quality. > But how to do this in a non-interactive procedure. > please try using gimp-file-jpeg-save instead - it has a quality parameter. You can find it in the procedural db. > Here is the full procedure > ; > ; Version 1.0 07.02.2012 for capnhud > > ; See http://gimpchat.com/viewtopic.php?f=8&t=3701 > > ; command line > ; gimp -i -f -d --verbose -b "(batch_wavelet_sharpen <AMOUNT> <RADIUS> > \".jpg\" \"sharpened\")" -b "(gimp-quit 0)" > > (define selffilename "\n- batch_wavelet_sharpen.scm") > > ; Batch mode wrapper > (define (batch_wavelet_sharpen amount radius file_extension > destination_directory) > (let* > ( > (destination_file "") > (varFileList (cadr (file-glob (string-append "*" file_extension) > 1))) ; make a list of all the files that match the file extension > > ; Adjust these values to suit > ; (amount 0.3) > ; (radius 1.0) > (luminance TRUE) > ) > (gimp-message-set-handler ERROR-CONSOLE) > (if (not (file-exists? destination_directory)) > (error (string-append "Error: directory " destination_directory > " doesn't exist")) > (if (= (file-type destination_directory) FILE-TYPE-DIR) > () > (error (string-append destination_directory " is not a > directory")) > ) > ) > > ; loop through all the files in the list > (for-each > (lambda (filename) > (let* ( > (image (car (gimp-file-load RUN-NONINTERACTIVE filename > filename))) ; load the image > (drawable (car (gimp-image-flatten image))) > ) > (gimp-message (string-append "processing-" filename)) > > ; Thing to do goes here > (plug-in-wavelet-sharpen RUN-NONINTERACTIVE image > drawable amount radius luminance) > > (set! destination_file (string-append > destination_directory DIR-SEPARATOR filename)) > (gimp-file-save RUN-NONINTERACTIVE image drawable > destination_file destination_file) > (gimp-image-delete image) ; unload the > image > ) > ) > varFileList > ) > ) > ) > > > _______________________________________________ > gimp-user-list mailing list > List address: gimp-user-list@gnome.org > List membership: https://mail.gnome.org/mailman/listinfo/gimp-user-list > List archives: https://mail.gnome.org/archives/gimp-user-list -- ----------------------------------------------------------------- Shlomi Fish http://www.shlomifish.org/ https://github.com/shlomif/what-you-should-know-about-automated-testing When people agree with me I always feel I must be wrong. — https://en.wikiquote.org/wiki/Oscar_Wilde (via fortune-mod) Please reply to list if it's a mailing list post - http://shlom.in/reply . _______________________________________________ gimp-user-list mailing list List address: gimp-user-list@gnome.org List membership: https://mail.gnome.org/mailman/listinfo/gimp-user-list List archives: https://mail.gnome.org/archives/gimp-user-list
