Points

FROM : Ryan Brown
DATE : Sun Apr 08 22:26:13 2007

[[NSScreen mainScreen] frame] reports the resolution of the main 
screen in points. Points are defined to be 1/72th of an inch. If my 
resolution is 1680x1050, [[NSScreen mainScreen] frame] returns (1680, 
1050) and if my resolution (hypothetically) is 10x10 it returns (10, 
10). But how can this be so? 10 pixels are being mapped onto to my 
21" screen (making each pixel > 1in), so the number returned by 
[[NSScreen mainScreen] frame] should be significantly higher. Why 
isn't it? Is there some level of abstraction I'm missing?

Ryan