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NAME
     cmap_alloc -  allocate  default  colormaps  for  non-default
     visuals

SYNOPSIS
     cmap_alloc [  -display  display:n.screen  ]  [  -force  ]  [
     -allscreens ]
          [ -depth n ] [ -visual class ] [ -verbose ] [ -help ]

DESCRIPTION
     cmap_alloc creates empty colormaps for  non-default  dynamic
     visuals  that are suitable for use as default colormaps.  An
     X11 server has only one default colormap, and it is  associ-
     ated  with  the default visual.  Clients that need to access
     non-default visuals have  to  create  their  own  colormaps.
     This  can  lead  to gratuitous colormap flashing if a lot of
     applications are running in non-default visuals.  cmap_alloc
     will  create colormaps that can be used by such applications
     as the default colormap for  the  given  visual.   Once  the
     colormap  has been created for a given visual, it will place
     the colormap's XID into the RGB_DEFAULT_MAP property on  the
     root  window  of  the  display.  Clients that need to access
     non-default dynamic  visuals  should  search  this  property
     using XGetRBGColormaps() for a suitable colormap to use.

OPTIONS
     -display display:n.screen
               Indicates which X11 server to use.  The default is
               to  use  the  value set in the DISPLAY environment
               variable.

     -force    Create a colormap even if a suitable  colormap  is
               already listed in the RGB_DEFAULT_MAP property.

     -allscreens
               Create default colormaps for all  screens  of  the
               display.  Without this option, colormaps will only
               be created for the default screen.

     -depth n  Create default colormaps only  for  those  visuals
               that have depth n. The default is to create color-
               maps for visuals of all depths

     -visual class
               Create default colormaps only  for  those  visuals
               that are of class class. Where class is one of the
               following:  GrayScale, PsuedoColor, DirectColor

     -verbose  Print out diagnostic messages  useful  for  debug-
               ging.

     -help     Print out a short usage message and exit.

SEE ALSO
     xstdcmap(1), cmap_compact(1)


DIAGNOSTICS
     can't open display ...
                         Error in connecting to the  X11  server.
                         Check DISPLAY environment variable.

     unknown depth       Invalid depth specified for  the  -depth
                         command line option

     unknown visual class
                         Invalid visual class specified  for  the
                         -visual command line option

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