[Interest] jpeg 2000

maitai maitai at virtual-winds.org
Fri Apr 15 10:33:09 CEST 2016

Ok, thanks. I was hopping qt was not based on Jasper...

Le 14-04-2016 21:21, Konstantin Tokarev a écrit :
> 14.04.2016, 22:15, "maitai" <maitai at virtual-winds.org>:
>> Hello,
>> Does anyone knows if qt jpeg2000 implementation is based on Jasper or
>> openJpeg or something specific to qt, and if it implies extra libs? I
>> need to decode weather gribs (stored as jpeg 2000 image in gray 
>> scale),
>> I have several working solutions using either Jasper or others but 
>> would
>> like to know if I stand a chance to do the same with a pure qt 
>> solution.
> There is Qt plugin based on Jasper, it is a part of qtmageformats 
> module.
> However, Jasper is dead for a long time, so OpenJPEG is the only
> sensible long-term choice among open-source implementations. But if
> you need fast processing you may want to consider Kakadu (comercial).

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