[Bug 18894] New: Loseless JPEG rotation from the image view

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http://bugzilla.ubuntu.com/show_bug.cgi?id=18894
Ubuntu | gthumb

           Summary: Loseless JPEG rotation from the image view
           Product: Ubuntu
           Version: unspecified
          Platform: Other
        OS/Version: other
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: gthumb
        AssignedTo: daniel.holbach at ubuntu.com
        ReportedBy: Maniac at SoftwareManiacs.Org
         QAContact: desktop-bugs at lists.ubuntu.com


In gthumb from Breezy Badger the only way for easily rotating photos by 90
degrees is from browsing view. In a very commmon scenario when sitting with
friends looking through just downloaded photos from camera in full-screen view
every time when you got to the vertical picture you should 
- exit from full screen view
- exit from picture view
- click the Rotate button
- chose rotation direction
- click Apply
- return to picture view
This is rather annoying.

However there is a rotation from the picture view by Ctrl+R. Unfortunately it is
also not convinient: when going to the next pictures gthumb asks for saving the
current one. I also suspect that this rotation is a general edition instead of
special JPEG loseless rotation and this means that I might loose quality when
saving compressed JPEG one more time. At lease it looks like this.

It would be very convinient to have Ctrl+R and Ctrl+L for instant 'loseless
rotate and save' procedure. Ctrl+R would rotate clockwise and Ctrl+L -
counter-clockwise (currently Ctrl+L does flipping which is needed wa-a-ay less
often).

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