>On Thu, May 03, 2001 at 10:21:39PM -0700, Paschoud Alain wrote: >> hello, >> >> I've two question. The first one concern a color problem which is not only >> cosmetic, but is really annoying. For example, when I launch "linuxconf" in >> X, a lot of error message appears in the shell, telling me that the color >> has not been allocated and that it will be replaced by black. Of course, the >> result is that I have only a black window at the end... Difficult to make >> configurations when I don't see anything. Does someone has an idea from >> where could come the problem ? > > You're most likely running 8bit colour. Run at a higher colour depth, or >don't use up so many colours before openning an xterm. (colour allocation >in X works something like this, on a pseudocolor display (or other display >that uses a palette): each of the 256 colours are indices into a table of >24bit RGB colour values. When an app wants a colour, they ask the server >for the RGB colour they want, and if there is room in the colour table, the >server adds the new colour to the colour table and tells the app what index >value to use. If there isn't, then it can use a colour that is close to the >desired one, or it can give up. BTW, the table lookups for drawing on the >screen and stuff are all part of the video hardware, so the 8 bit colour >values get written straight to video RAM. That's why colour cycling works >so well on 8bit colour displays: you just mess with the palette, you don't have to redraw the whole screen.
Ok, now I'm able to understand the problem. But for solving it, I wanted to use Xconfigurator (as explained in my Linux book). But there is no such application in the bin directories of my Linux. What can I use for configuring my video card ? Thank you in advance. Alain paschoud
