[Digikam-devel] [Bug 225723] simple sharpen is awfully slow

[Gilles Caulier]

https://bugs.kde.org/show_bug.cgi?id=225723





--- Comment #5 from Gilles Caulier <caulier gilles gmail com>  2011-11-17 06:55:11 ---
For 2 reasons :

1/ CImg algorithm is not cancellable. It's mandatory in editor, especially if
large image are processed.
2/ CImg API is deprecated. CImg.h is old now in digiKam core. CImg have been
forked in GMic project which break whole API/ABI. For that, we have a problem
with all Greystoration tools in digiKam. We need to port all to GMic, and it's
not simple.

Some algorithm can be taken in ImageMagick for ex. This one support already 16
bits color depth. I already do that with unsharp-mask algorithm.

Gilles

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