[Digikam-devel] [Bug 142056] Save changes of image modifications with Versioning.

[Unai Garro]

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http://bugs.kde.org/show_bug.cgi?id=142056         




------- Additional Comments From ugarro gmail com  2008-08-05 21:04 -------
 Mikmach

Yes, processing the whole image is very cpu costy. That's why I was 
suggesting to use it only for the raw importer tool. Raw files are 
always processed from scratch anyway, so this isn't an issue, and 
there's no need to store the whole history of changes.

What I don't know is how other raw processing apps manage to do this in 
real time. Processing only the view on screen might help, which can be 
600-800kpx only versus the full image which is 10Mpx. Which is around 
10-15 times faster. But then each time the image is scrolled, they need 
to be reprocessed, and some tools cannot be applied unless they are done 
over the whole image.