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Difference between 24 and 32 bit color?

post #1 of 8
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Whats the differnce? 24-bit color consists of 8 bits per color, the 3 colors adding up to 24 bits. However, 32-bit is not disivisible by 3, which leads me to believe it is actually 24-bit color with an 8-bit alpha channel for transparency, like what is used in PNG. Am I correct in assuming this?
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post #2 of 8
Yes.
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post #3 of 8
Quote:
Originally Posted by HrnyGoat View Post
Whats the differnce? 24-bit color consists of 8 bits per color, the 3 colors adding up to 24 bits. However, 32-bit is not disivisible by 3, which leads me to believe it is actually 24-bit color with an 8-bit alpha channel for transparency, like what is used in PNG. Am I correct in assuming this?
Correct. The remaining 8-bits are either alpha or just padding
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post #4 of 8
/me puts on his dumb face "durrrrrrrrrrrrrrrrrrrrrrrrrrrrrrr"

what are the advantages of the extra bits?

when you answer this question please keep these things in mind:

A) I am completely new at this
2) I am asking for my information purposes so I can learn this
delta) in reference to 1) above, please keep it simple

    
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post #5 of 8
Quote:
Originally Posted by deskjockey View Post
/me puts on his dumb face "durrrrrrrrrrrrrrrrrrrrrrrrrrrrrrr"

what are the advantages of the extra bits?

when you answer this question please keep these things in mind:

A) I am completely new at this
2) I am asking for my information purposes so I can learn this
delta) in reference to 1) above, please keep it simple

http://solardreamstudios.com/learn/f...s/8-bit-alpha/
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post #6 of 8
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post #7 of 8
Well, I only knew from consuming several DirectX books several years ago.

You used A), 1), 2), and delta). I am lost. LOL

What do you want to know for what purpose? Or just general knowledge seeking?
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post #8 of 8
hahaha...the 1) A)... thing is something I'll use when doing an internal presentation to people....makes them pay attention.

(instead of 1)...2)...so on

If no one catches it I know no one is paying attention

I just wanted to know for my own benefit

just read about it thanks guys..pretty cool
    
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