[Kde-imaging] [Bug 218906] New: camera obscura/pinhole camera/vignetting effect

[S. Burmeister]

https://bugs.kde.org/show_bug.cgi?id=218906

           Summary: camera obscura/pinhole camera/vignetting effect
           Product: kipiplugins
           Version: unspecified
          Platform: openSUSE RPMs
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: wishlist
          Priority: NOR
         Component: Wish For New Plugins
        AssignedTo: kde-imaging at kde.org
        ReportedBy: sven.burmeister at gmx.net


Version:            (using KDE 4.3.4)
OS:                Linux
Installed from:    openSUSE RPMs

Some cameras offer this effect but applying it to the original picture, i.e.
not having a version without it is not the best solution.

It would be great if that effect could be added within digikam.

Things to be adjustable would be the colour of the vignette, i.e. whether the
user wants a bright vignette or a dark one, the radius and the shape, i.e.
rectangular, ellipse or circular.

According to http://www.flickr.com/groups/digikam/discuss/72157607665621938/
the anti-vignetting logic can be used to create such a tool.

Examples of the effect can be found here:

http://wiki.gimpforum.de/wiki/Lochkamera-Effekt
http://www.ehow.com/how_4480146_create-vignette-photoshop-elements.html

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