NSCompositingOperation.sourceIn
The source image wherever both images are opaque, and transparent elsewhere.
Declaration
case sourceInDiscussion
The source image is applied using the formula R = S * Da.
See Also
Operations for Compositing
NSCompositingOperation.clearNSCompositingOperation.copyNSCompositingOperation.sourceOverNSCompositingOperation.sourceOutNSCompositingOperation.sourceAtopNSCompositingOperation.destinationOverNSCompositingOperation.destinationInNSCompositingOperation.destinationOutNSCompositingOperation.destinationAtopNSCompositingOperation.xorNSCompositingOperation.plusDarkerNSCompositingOperation.plusLighterNSCompositingOperation.multiplyNSCompositingOperation.screenNSCompositingOperation.overlay