[Digikam-devel] [Bug 204311] New: choice of resizing algorithms in resize dialog along with preview of each

[DrSlony]

https://bugs.kde.org/show_bug.cgi?id=204311

           Summary: choice of resizing algorithms in resize dialog along
                    with preview of each
           Product: showfoto
           Version: unspecified
          Platform: Gentoo Packages
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: wishlist
          Priority: NOR
         Component: general
        AssignedTo: digikam-devel at kde.org
        ReportedBy: drslony at panopixel.org


Version:            (using KDE 4.3.0)
OS:                Linux
Installed from:    Gentoo Packages

Rescaling is one of the most common things done to an image, and the choice of
an appropriate algorithm makes a huge difference to the end result. Currently
there is no choice as to which rescaling algorithm showFoto should use. What I
would love to see, something that no other image editor I know of offers, is a
more advanced "resize" dialog. It would offer not only a choice of the (many
available) resizing algorithms, but it would also quickly compute a 100% crop
of a selected part of the image using each algorithm. Often I end up wasting
time trying out several different programs, including command line, in order to
find an algorithm that will not rape my image once I downscale it.

Don't think it makes a difference? See this:
http://www.panopixel.org/drslony/images/20090818_rescale_comparison.png

Current 0.10.0 interface:
http://www.panopixel.org/drslony/images/screenshots/20090818_showfoto_resize_old.png
Mockup of the new interface (some of the algorithm previews aren't authentic):
http://www.panopixel.org/drslony/images/screenshots/20090818_showfoto_resize_new.png

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