TSkBlendMode

type TSkBlendMode = (

  Clear,

  Src,

  Dest,

  SrcOver,

  DestOver,

  SrcIn,

  DestIn,

  SrcOut,

  DestOut,

  SrcATop,

  DestATop,

  or

  Plus,

  Modulate,

  Screen,

  Overlay,

  Darken,

  Lighten,

  ColorDodge,

  ColorBurn,

  HardLight,

  SoftLight,

  Difference,

  Exclusion,

  Multiply,

  Hue,

  Saturation,

  Color,

  Luminosity

);