Unmultiply

Converts a premultiplied fill+alpha source into the straight alpha the compositor expects.

Property Type Access Description
BackgroundColorPicker AdvancedColorPicker get/set The colour the fill was premultiplied against. Convenience wrapper around ColorR, ColorG and ColorB. Black is the default and the usual answer.
ColorR int get/set Red component of the background the fill was premultiplied against, 0–255. [default = 0]
ColorG int get/set Green component of the background the fill was premultiplied against, 0–255. [default = 0]
ColorB int get/set Blue component of the background the fill was premultiplied against, 0–255. [default = 0]
ResetColorCmd Command get/set Reset the background colour to black, which is what an ordinary premultiplied fill+alpha source wants.

Inherits from: AbstractOperator, AbstractAudioMetering, NamedModel.

See also: Unmultiply in Operators — user-facing introduction, screenshots, and section summaries.