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List:       kde-kimageshop
Subject:    Re: Wanted: channel remapping with implicit colorspace conversion
From:       Matthew Woehlke <mw_triad () users ! sourceforge ! net>
Date:       2008-09-17 21:29:14
Message-ID: garsra$o9c$1 () ger ! gmane ! org
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Matthew Woehlke wrote:
> Cyrille Berger wrote:
>> On Wednesday 17 September 2008, Matthew Woehlke wrote:
>>> Ok. I can't look until tonight, but methinks compressed might be the
>>> problem (wouldn't be surprising). Would it be useful for me to provide
>>> some sample .nef's? I can get you both 12- and 14-bit, with both lossy
>>> and lossless compression. (I only use 14-bit lossless, but someone else
>>> might want others of the above to work, and if you don't have them yet...)
>> There isn't much I can do. If there is a buffer problem it happens before it 
>> reaches krita, in libkdcraw. Therefor, if you notice the bug you would have 
>> to report to libkdcraw.
> 
> At the moment, I don't *know* what the problem is (or even if there 
> currently is one). [snip]

Ok, you made me try it. Seems to have worked this time; but I'd (not 
surprisingly ;-) ) prefer to be able to fiddle with the white balance 
after, rather than having to pick something at import. (I guess we do 
want to be able to read in the camera white balance, but could the 
import dump the de-bayered data without other processing onto one layer 
and create filter layers for the rest?)

Hmm... it occurs to me, a 'view exposure' mode (i.e. show "overexposed" 
and "underexposed" pixels in a different, highly-visible color) would be 
a nice addition. As an alternate preview mode for certain filters would 
be fine (and probably a good idea, to be honest; for brightness/contrast 
I can imagine that getting fairly widespread use, not just for photo work).

> Meanwhile, I should probably still ask: would you find it useful to have 
> additional test .nef's with different encodings? (Or is that from 
> dcraw?) Even if there is no krita bug, I imagine that supplementing the 
> collection of test formats wouldn't hurt.

This of course is still open.

-- 
Matthew
Your eyes are weary from staring at the CRT. You feel sleepy. Notice how 
restful it is to watch the cursor blink. Close your eyes. The opinions 
stated above are yours. You cannot imagine why you ever felt otherwise.
   -- Unknown
(found at http://goldmark.org/jeff/stupid-disclaimers/fun.html)

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