Re: Dynamic arrays

["Derold" <bro1@pmt.org>]

OpenGL uses integers for their color.  It's operators are overloaded so it
can take nearly any value but behind the scene they are all converted to
integers for their functions.

Hope that helps

Derold

**** MESSAGE TRIMMED ***


> You do have to recompute the pixel values when the size of the window
> changes, and restore them in array. The array is used for when portions of
> the window need to be redisplayed and the image has not changed.
>
> You would need to do this when regenerating the image is a large
> calculation, and the image remains fairly static. The rendering sequence
is
> exactly what I had in mind. Say you render a scene and just want to
display
> it. Then you need the high color and also the array so you don't have to
> rerender the image everytime it gets lost on the screen.
>
> I do have to admit that I'm not sure why OpenGL is working with 3 floats.
> I'm more used to DirectX color. As far as I'm using OpenGL, I was told to
> just use glColor3f and not worrying about the bit color. What's a better
> way to do this? How is, say 24-bit or 32-bit color generally done in
OpenGL?
>
> Thanks,
> SirFern


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