NSCompositingOperation.destinationIn
The destination image wherever both images are opaque, and transparent elsewhere.
Declaration
case destinationInDiscussion
The source image is applied using the formula R = D*Sa.
See Also
Operations for Compositing
NSCompositingOperation.clearNSCompositingOperation.copyNSCompositingOperation.sourceOverNSCompositingOperation.sourceInNSCompositingOperation.sourceOutNSCompositingOperation.sourceAtopNSCompositingOperation.destinationOverNSCompositingOperation.destinationOutNSCompositingOperation.destinationAtopNSCompositingOperation.xorNSCompositingOperation.plusDarkerNSCompositingOperation.plusLighterNSCompositingOperation.multiplyNSCompositingOperation.screenNSCompositingOperation.overlay