NSCompositingOperation.plusDarker
The sum of the source and destination images, with color values approach 0 as a limit.
Declaration
case plusDarkerDiscussion
The source image is applied using the formula R = MAX(0, (1 - D) + (1 - S)).
See Also
Operations for Compositing
NSCompositingOperation.clearNSCompositingOperation.copyNSCompositingOperation.sourceOverNSCompositingOperation.sourceInNSCompositingOperation.sourceOutNSCompositingOperation.sourceAtopNSCompositingOperation.destinationOverNSCompositingOperation.destinationInNSCompositingOperation.destinationOutNSCompositingOperation.destinationAtopNSCompositingOperation.xorNSCompositingOperation.plusLighterNSCompositingOperation.multiplyNSCompositingOperation.screenNSCompositingOperation.overlay