[Digikam-devel] [Bug 130733] Rotating jpeg images results in smaller file size (ie losless transformation not working)

Loïc Brarda loic.brarda21 at fnac.net
Thu Jul 13 09:36:05 BST 2006

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------- Additional Comments From loic.brarda21 fnac net  2006-07-13 10:36 -------
Rotation done in the Editor is not lossless as the editor works on pixels not on the jpeg files. When you open a file the Image Editor, it is uncompressed. Every modification will be done on this uncompressed data. This data will be compressed again if you save it back as a jpeg.

The lossless plugin is only available from the main window.

Perhaps a warning could be added in the image editor to tell the users that they should use the main interface to have lossless rotation when they select a 90/180/270 angle.

Just my 2 cents.

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