Re: [Gimp-user] Script-Fu: remove Exif, thumbnail, color profile when saving PNG

Why do you use Gimp for this... You script would run faster using
ImageMagick (for the conversion) and ExifTool (to remove the Exif data):

convert in.png PNG8:out.png
exiftool all= out.png



On 24/08/2022 15:52, Sam Lee via gimp-user-list wrote:
> Hello, I have written a Script-Fu batch program that is intended to
> reduce the file size of a PNG image ("in.png") by converting it into
> "indexed" mode with a color palette of 16 colors, and saving the output
> ("out.png"):
>
>
> #!/bin/sh
> gimp-console --batch '
> (let* ((image (car (gimp-file-load RUN-NONINTERACTIVE "in.png" "in.png")))
>         (drawable (car (gimp-image-flatten image)))
>         (outfile "out.png"))
>    (gimp-image-convert-indexed image
>                                CONVERT-DITHER-NONE
>                                CONVERT-PALETTE-GENERATE
>                                16 FALSE FALSE "")
>    (file-png-save2 RUN-NONINTERACTIVE image drawable outfile outfile FALSE 9
>                    FALSE FALSE FALSE FALSE FALSE FALSE FALSE))
> (gimp-quit 0)'
>
>
> This script works. However, it always includes Exif data, thumbnail, and
> the color profile when I save the PNG, which I do not want because they
> make the saved image larger. I know that if I change `(file-png-save2
> RUN-NONINTERACTIVE ...)` to `(file-png-save2 RUN-INTERACTIVE ...)`, a
> dialog will pop up where I can uncheck the "Save Exif data", "Save
> thumbnail", and "Save color profile" checkboxes. I want to disable the
> "Save Exif data", "Save thumbnail", and "Save color profile" in a
> non-interactive way (i.e. without requiring the interactive dialog box)
> when saving a PNG. How can I do that?
> _______________________________________________
> gimp-user-list mailing list
> List address:[email protected]
> List membership:https://mail.gnome.org/mailman/listinfo/gimp-user-list
> List archives:https://mail.gnome.org/archives/gimp-user-list

_______________________________________________
gimp-user-list mailing list
List address:    [email protected]
List membership: https://mail.gnome.org/mailman/listinfo/gimp-user-list
List archives:   https://mail.gnome.org/archives/gimp-user-list