# File lib/foxtails/icons.rb, line 60
  def self.get_view_icons
    unless @have_view_icons
      const_set :PERSPECTIVE_ICON,    get_icon("perspective.png")
      const_set :PARALLEL_ICON,       get_icon("parallel.png")
      const_set :LIGHT_ICON,          get_icon("light.png")
      const_set :NO_LIGHT_ICON,       get_icon("nolight.png")
      const_set :SMOOTHLIGHT_ICON,    get_icon("smoothlight.png")
      const_set :FRONTVIEW_ICON,      get_icon("frontview.png")
      const_set :BACKVIEW_ICON,       get_icon("backview.png")
      const_set :LEFTVIEW_ICON,       get_icon("leftview.png")
      const_set :RIGHTVIEW_ICON,      get_icon("rightview.png")
      const_set :TOPVIEW_ICON,        get_icon("topview.png")
      const_set :BOTTOMVIEW_ICON,     get_icon("bottomview.png")
      const_set :ZOOM_ICON,           get_icon("zoom.png")
      const_set :CAMERA_ICON,         get_icon("camera.png")
      @have_view_icons = true
    end
  end