FilterTypes

type FilterTypes = (

  UndefinedFilter,

  PointFilter,

  BoxFilter,

  TriangleFilter,

  HermiteFilter,

  HanningFilter,

  HammingFilter,

  BlackmanFilter,

  GaussianFilter,

  QuadraticFilter,

  CubicFilter,

  CatromFilter,

  MitchellFilter,

  LanczosFilter,

  BesselFilter,

  SincFilter

);