Contents

alphaComposite(_:topLayer:destination:)

Performs alpha compositing of two 4-channel interleaved ARGB 32-bit pixel buffers using the specified composite mode.

Declaration

func alphaComposite(_ compositeMode: vImage.CompositeMode<Pixel_F>, topLayer: vImage.PixelBuffer<Format>, destination: vImage.PixelBuffer<Format>)

Parameters

  • compositeMode:

    The composite mode.

  • topLayer:

    The composite top layer.

  • destination:

    The destination pixel buffer.

Discussion

This function treats self as the bottom layer and both pixel buffers must have alpha as their first channel.

See Also

Related Documentation

Alpha compositing