screen #0:
  dimensions:    600x800 pixels (76x102 millimeters)
  resolution:    201x199 dots per inch
  depths (7):    1, 4, 8, 15, 16, 24, 32
  root window id:    0x42
  depth of root window:    8 planes
  number of colormaps:    minimum 1, maximum 1
  default colormap:    0x20
  default number of colormap cells:    256
  preallocated pixels:    black 8, white 7
  options:    backing-store NO, save-unders NO
  largest cursor:    600x800
  current input event mask:    0x5a0030
    EnterWindowMask          LeaveWindowMask          StructureNotifyMask      
    SubstructureNotifyMask   SubstructureRedirectMask PropertyChangeMask       
  number of visuals:    1
  default visual id:  0x21
  visual:
    visual id:    0x21
    class:    StaticGray
    depth:    8 planes
    available colormap entries:    256
    red, green, blue masks:    0x0, 0x0, 0x0
    significant bits in color specification:    8 bits