MacBook Display Confusion | More Is Not Always Better

MacBook Display Confusion | More Is Not Always Better

My Macbook says it has a 2560 x 1600 display. Yet when I do a screen capture, it says the image captured is only 1280 x 800. However, when I inspect the image with Preview, the image size is 2560×1600.

Similarly, GameMaker starting with a 960×540 viewport size ends up with a screen capture of twice that. 1920×1080.

What is going on?
Does it have anything to do with resolution in pixels per inch?
NO. It has to do with what the Mac-OS does to support the retina diaplay.

See https://apple.stackexchange.com/questions/389961/macbook-pro-screen-resolution-confusion

When I check my System Preferences for Display it says the display will look like 1280 x 800.

I got here because I was working through a GameMaker tutorial where the guy sets the viewport to 960×540. When I captured the screen, it was way bigger than I expected.

So now, I finally (mostly) understand what is going on. The screen will look like 1280 x 800. And a screenshot of that GameMaker example will take up roughly 2/3 of the height and 3/4 of the width.

About Bill Lahti

Bill Lahti is an indie game developer. He is currently working on Hop, Skip, and Thump, a simple abstract strategy game. Other iOS and Android games: Double Star II, Wing Leader, Gomoku League.

This entry was posted in Mac and tagged apple, confusion, display, macbook, macbook-air, tech, technology. Bookmark the permalink.

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