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RE: floats & Color APIs
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RE: floats & Color APIs


  • Subject: RE: floats & Color APIs
  • From: "Michael Latta" <email@hidden>
  • Date: Tue, 24 Oct 2006 11:50:39 -0700

I think it is pretty well established that 256 levels for each color
component has nothing to do with what the eye can see.  HDR rendering uses
more like 16-32 bits per component to approach what the human eye can
perceive.

Michael

> -----Original Message-----
> From: cocoa-dev-bounces+lattam=email@hidden [mailto:cocoa-dev-
> bounces+lattam=email@hidden] On Behalf Of Eric Gorr
> Sent: Tuesday, October 24, 2006 11:33 AM
> To: email@hidden
> Subject: Re: floats & Color APIs
>
> Quickly moving into the realm of an off-topic thread....but, I just
> had a thought...
>
> Perhaps the need for a great deal of precision in color beyond what
> would seem useful has also to do with topic of watermarking...where
> one needs to be able to specify a color that is nearly identical to
> another so a person won't see the difference, but a sensitive piece
> of hardware could...
>
> (btw, anyone happen to know if more then a single byte per RGBA
> component is useful when only considering what the human eye can
> perceive?)
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      • From: cocoa-dev-admins <email@hidden>
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References: 
 >Re: floats & Color APIs (From: Eric Gorr <email@hidden>)

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