NSCompositingOperation.destinationAtop
The destination image wherever both images are opaque, the source image wherever it is opaque and the destination image is transparent, and transparent elsehwere.
Declaration
case destinationAtopDiscussion
The source image is applied using the formula R = S*(1 - Da) + D*Sa.
See Also
Operations for Compositing
NSCompositingOperation.clearNSCompositingOperation.copyNSCompositingOperation.sourceOverNSCompositingOperation.sourceInNSCompositingOperation.sourceOutNSCompositingOperation.sourceAtopNSCompositingOperation.destinationOverNSCompositingOperation.destinationInNSCompositingOperation.destinationOutNSCompositingOperation.xorNSCompositingOperation.plusDarkerNSCompositingOperation.plusLighterNSCompositingOperation.multiplyNSCompositingOperation.screenNSCompositingOperation.overlay