uiviewnsviewunits-of-measurementnsrectnspoint

What is the unit of NSPoint, CGPoint, NSSize, CGSize and NSRect, CGRect?

What is the unit of CGPoint, CGSize and CGRect ; NSSize, NSPoint and NSRect?

Solution

  • The unit of CGPoint, etc. is point. A point represents a pixel on non-retina screens and two pixels on retina screens.