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List:       kde-kimageshop
Subject:    Re: Fwd: Convolution
From:       Bart Coppens <kde () bartcoppens ! be>
Date:       2005-05-26 8:44:40
Message-ID: 200505261044.40577.kde () bartcoppens ! be
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On Thursday 26 May 2005 07:12, Casper Boemann wrote:
> I wuld like to warn against per channel kernels.
>
> I actualy changed it from 4 to one a while back.
>
> The reason is colorspace independence.
You have a point. However, I would still like to see at least a seperate 
kernel for the alpha channel. This is because normal filters should not 
affect the alpha channel, but some filters do require that (for example, 
feathering the selection applies a gaussian blur to the selection paint 
device, which has only an alpha channel)
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