QCCompositionProtocolImageFilter

A composition that applies an effect to a source image. A conforming composition must use the input key Qccompositioninputimagekey for the source image and Qccompositionoutputimagekey for the output image. The composition can optionally use Qccompositioninputxkey to specify the X position of the center point of the effect, Qccompositioninputykey to specify the Y position of the center point of the effect, andQccompositioninputpreviewmodekey to indicate if the animation should run in lower-quality for preview purposes.

let QCCompositionProtocolImageFilter: String