static var disablesGroup : GraphicsContext .ShadowOptions
An option that causes the filter to composite the object and its shadow separately in the current layer.
static var invertsAlpha : GraphicsContext .ShadowOptions
An option that causes the filter to invert the alpha of the shadow.
static var shadowOnly : GraphicsContext .ShadowOptions
An option that causes the filter to draw only the shadow, and omit the source object.