Re: [Gimp-developer] Export issues

> Date: Sun, 27 May 2012 12:20:09 -0400
> Subject: Re: [Gimp-developer] Export issues
> From: nicolas robidoux gmail com
> To: strata_ranger hotmail com
> CC: gimp-developer-list gnome org
> Warning: Unless your crop is aligned with JPEG block boundaries
> (I don't know if GIMP uses 16x16 blocks at all when exporting. It may
> stick to 8x8 for all channels?)

Subsampling ratio is part of the JPEG export options.  So 4:4:4 = 8x8, 4:2:2 = 8x16 or 16x8 , 4:2:0 = 16x16.

-- Stratadrake
strata_ranger hotmail com
Numbers may not lie, but neither do they tell the whole truth.

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