Re: [CinePaint] curves problem in cinepaint-0.22-1

"Peter Langfelder" <[email protected]> Sun, 27 Apr 2008 16:33:25 -0700
Newsgroups gmane.comp.video.cinepaint.user
Message-ID <[email protected]>
>  Using the image that you posted, tmp.jpg, I was not able to
>  reproduce the problem.  Nor was I able to reproduce it with
>  other 8-bit JPEG images that I loaded.
>
>  But using a 16-bit TIFF file, I _was_ able to reproduce the effect.
>  Also, loading an 8-bit image and then converting it within cinepaint
>  to either 16-bit or floating point will reproduce the effect.
>  If a 16-bit image is reduced within cinepaint to 8-bit, the effect
>  does not occur.
>
>  So on my system, the effect is limited to 16-bit or floating point
>  images.  In your original post, however, you state that the effect
>  is observed in both 8-bit and 16-bit.
>

It is possible that on my system the error also occurred only in
16-bit mode. The image was originally a 16-bit one; I saved as jpg,
checked that it is in 8bit mode and then applied the curve. Perhaps it
was still internally a 16bit image. I did not reload the image.

Since I already compiled and installed the corrected version, I would
rather not have to check again, but if it helps significantly, I can
do it.

Thanks and best regards,

Peter

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