[Digikam-devel] [Bug 194722] New: enable the user to only sharpen one channel, e.g. the "value" channel of HSV

[S. Burmeister]

https://bugs.kde.org/show_bug.cgi?id=194722

           Summary: enable the user to only sharpen one channel, e.g. the
                    "value" channel of HSV
           Product: digikam
           Version: unspecified
          Platform: SuSE RPMs
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: wishlist
          Priority: NOR
         Component: general
        AssignedTo: digikam-devel at kde.org
        ReportedBy: sven.burmeister at gmx.net


Version:           0.10 (using KDE 4.2.3)
OS:                Linux
Installed from:    SuSE RPMs

Since the value channel shows the largest differences in terms of brightness,
it is useful to use it for sharpening an image without touching the hue or
saturation.

I'm not sure this is useful for other tools as well, but digikam could provide
the facilities to automatically create a hsv temp file while the user adjusts
the tool and write that temp file back if the user saves the changes.

That way the user can pick the channel the tool should work on while editing a
picture without any knowledge about conversion to hsv etc.

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