Rev + PNG Display on OS X 10.6

Ian Wood revlist at azurevision.co.uk
Mon Jan 18 03:39:09 EST 2010


On 14 Jan 2010, at 18:27, Scott Rossi wrote:

> This might be useful for folks delivering image-heavy apps on Mac OS  
> X 10.6
> and later...
>
> Apparently with Snow Leopard, Apple has changed the default gamma of  
> the
> system to 2.2 (used to be 1.8).

>
> if "mac" is in platform() and systemVersion() > 10.5 then ...

That's not entirely true - on 10.6 a NEW Mac and any fresh install  
from scratch will default to 2.2. If you have *upgraded* to 10.6 the  
machine will be using whatever gamma it was on before.

Also bear in mind that the majority of photographers and web designers  
will have been using 2.2 for years now regardless of platform.

In other words, you can't assume that all machines running 10.5 or  
lower are using 1.8, and you can't assume that all machines running  
10.6 are using 2.2. :-(

Ian



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