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List: gimp-user
Subject: Re: [Gimp-user] gimp-file-save : how to specify the JPEG quality
From: Carol Spears via gimp-user-list <gimp-user-list () gnome ! org>
Date: 2019-06-19 13:59:38
Message-ID: CAJitFna3YrgNrPeP+q=9T_5q9uGwT_D9JxskTGujfQBbRaFpbQ () mail ! gmail ! com
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On Wednesday, June 19, 2019, 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.
When saving a JPEG, in the advanced options, there is a toggle to save the
current settings as the default. That should fix any script using
file-save. PNG has the same.
carol
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