Switch screen to black and white programmatically

Question

I'm looking for any way to switch mac screen to black and white mode programmatically.

http://stackoverflow.com/questions/1047114/how-do-i-use-a-uisegmentedcontrol-to-switch-views — Tirth, Jan 21 '15 at 08:07
http://stackoverflow.com/questions/9110567/switching-viewcontrollers-with-uisegmentedcontrol-in-ios5 — Tirth, Jan 21 '15 at 08:07
I need switch mac screen (with other apps), not screen of my app — Linkorn, Jan 21 '15 at 08:21

score 0 · Accepted Answer · answered Jan 21 '15 at 09:34

0

Function CGDisplayForceToGray and blacktree-nocturne sources has helped me.

answered Jan 21 '15 at 09:34

Linkorn

1

This no longer works in macOS 13. – HappyFace Nov 27 '22 at 14:20
It was non-public function in the Core Graphics framework. Now we have real grayscale mode, check https://github.com/rkbhochalya/grayscale-mode or apple script way https://discussions.apple.com/thread/252763839 – Linkorn Nov 29 '22 at 05:35

1 Answers1