Implemeting "drawing modes" in a graphics library?

Posted by banister on Stack Overflow See other posts from Stack Overflow or by banister
Published on 2010-03-17T22:25:29Z Indexed on 2010/03/18 18:11 UTC
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i would like to implement 'drawing modes' (in my own graphics library).

That is drawing with AND, OR, etc However i am storing colors using floats, each channel between 0 and 1.0 Do i have to first convert each color channel to 0-255 before i can use the AND, OR, etc drawing modes? and then convert back to float (0.0-1.0) ?

Or is there another way of doing it?

thanks

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