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floats & Color APIs

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floats & Color APIs

Subject: floats & Color APIs
From: Eric Gorr <email@hidden>
Date: Mon, 23 Oct 2006 14:47:08 -0400

I'm just curious...

What is the reasoning behind moving to floats to represent color in Apple's Cocoa color APIs?

For example,

<http://developer.apple.com/documentation/Cocoa/Reference/ ApplicationKit/Classes/NSColor_Class/Reference/Reference.html#// apple_ref/occ/instm/NSColor/blueComponent>

Why wasn't 1 byte or even 2 bytes considered to be enough? Were the reasons purely having to do with the speed of certain calculations? Is there any reason not to just covert these numbers to single byte components for the purpose of file storage?


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