[Xcb] dealing with colors

[Jean-Loup Defaisse]

Hello everyone,

I started few days ago a gui creation with Xlib, but i found xcb yesterday
and decided try it. I modified my code quiet easily (it wasn't really long)
except for the color. How should i replace
    XAllocColor(WinInf->dpy, WinInf->cmap, &c);
    XSetForeground(WinInf->dpy, WinInf->gc, c.pixel);

I tried by using xcb_alloc_color but i didn't succeed (all my drawings were
black).

Any idee?
Else, is there a simple example just drawing colored points in an empty
window?

thanks in advance!
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