On Wednesday, November 28, 2001, at 02:35 PM, Patrick White wrote:

>  This makes the images produced on a
> Mac appear too light (or is it too dark?) on PCs.
>       Basically, there are three apropaches to dealing with this: 1) 
> make it look
> goon on a Mac and forget about the PC users, 2) make it look good on 
> PCs and
> forget about the Mac users, 3) make it look slightly crappy on both PCs 
> and
> Macs and, well, live with the crappiness.

Or option 4, when preparing images for the web, convert them to use the 
sRGB color profile and embed the profile in the image.  This does two 
things: sRGB is basically a crude approximation of your typical PeeCee 
color display so it will look reasonable when Windows users view it.  
Mac users using Internet Exploder (or OmniWeb on MacOS X) will will have 
the image automatically corrected by ColorSync to match their monitor 
configuration regardless of what gamma they choose.  (Well, in IE you 
have to turn colorsync on in preferences, then the correction is 
automatic.)

>       One of these days, some bright person will get around to designing a
> popular image encoding format that stores the image data and the gamma 
> that
> that data was encoded with.

Already done.  You can embed ICC profiles in jpeg and tiff files.

-john
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