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Re: DirectColor-visual?
On Mon, Jan 13, 2003 at 07:43:40PM -0500, Harold L Hunt II wrote:
> Francisco,
>
> Do you know what a DirectColor visual is?
>
> Do you know why you would need a DirectColor visual?
>
> Do you know of any Windows-based graphics cards that actually support
> DirectColor?
>
>
> My understanding of DirectColor is that it allows you to specify the
> range of colors that will be used in a mode that is similar to
> TrueColor... however, I don't know of a single Windows graphics card
> that allows you to do that. I don't know of any program that utilizes
> such a visual either. As such, there is no support for DirectColor in
> Cygwin/XFree86. I don't expect that there will ever be DirectColor
> support in Cygwin/XFree86 unless someone can explain to me that I am way
> wrong.
>
> DirectColor seems like a lot of things in X: it was thought to be REALLY
> useful when X was designed, but it turned out to be anything but useful.
> I read about those things once, then I ignore them after that.
>
> So, anyone else know what DirectColor is?
DirectColor is a read/write colormap just like PseudoColor.
TrueColor is a read only colormap just like StaticColor.
Direct/True giving more colors than the other two though.
Alan.