[Digikam-users] What am I doing wrong?

guenter guenter.k at arcor.de
Sun Aug 31 11:44:38 BST 2014


Am 30.08.2014 12:09, schrieb Stuart T Rogers:
> OK so I have uploaded two images to my website, a before IMGP3685 and an
> after test3685 both jpegs. You can find them at
> 

Hi Stuart,
when you compare these images with IM (e.g. compare IMGP3685.jpg
test3685.jpg  x: ) you'll see that a lot of pixels are affected by the
watermarking (unchanged pixels are shown white, changeds red). Maybe
these overall changes allow a better compression then?
I would have expected that only the image region with the watermark
would be affected. But this should know a digikam insider/programmer.

I tried same watermarking in batch queue here (dk 2.4.0, KDE 4.13.2)
with the same your result.

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