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# love.window.getPixelScale

Available since LÖVE 0.9.1
This function is not supported in earlier versions.

Gets the scale factor associated with the window. In Mac OS X with the window in a retina screen and the `highdpi` window flag enabled this will be 2.0, otherwise it will be 1.0.

The scale factor is used to display graphics at a size the user is expecting, rather than the size of the pixels. On retina displays with the `highdpi` window flag enabled, the pixels in the window are 2x smaller than the scale of the normal content on the screen, so love.window.getPixelScale will return 2.

## Function

### Synopsis

scale = love.window.getPixelScale( )

### Arguments

None.

### Returns

`number scale`
  The pixel scale factor associated with the window.

## Notes

The units of love.graphics.getWidth, love.graphics.getHeight, love.mouse.getPosition, and mouse events are always in terms of pixels.

## See Also

- love.window
- love.window.setMode
- Config Files

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Retrieved from "https://www.love2d.org/wiki/love.window.getPixelScale"
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