LAB Channels type

Adrian Page adrian at pagenet.plus.com
Fri Apr 21 14:51:06 CEST 2006


BERGER Cyrille wrote:
>>a and b are signed, however lcms encodes them as unsigned shorts using
>>an offset. We're using these encoded values directly, so we have to
>>treat them as unsigned and decode them to signed when presenting them to
>>the user.
> 
> So we store them as unsigned or signed ? Because in the TIFF reader, I
> convert ICCLab file (which use unsigned LAB with offset) to krita by
> substracting the offset, and doing that we are correctly reading
> files.

They're stored as unsigned.

Adrian


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