How should I query the number of physical pixels in Retina hardware?
it fixes the issue The scale factor is always integral. So far, it's always
1 or 2. Some day, Apple may introduce 3x display support for macOS.The
backing store does not necessarily correspond to physical display pixels.
For some "scaled" resolutions
Date : October 21 2020, 08:10 AM , By : PedjaT