love.window.toPixels
Available since LÖVE 0.9.2 This function is not supported in earlier versions. Converts a number from density-independent units to pixels.
The pixel density inside the window might be greater (or smaller) than the "size" of the window. For example on a retina screen in Mac OS X with the highdpi window flag enabled, the window may take up the same physical size as an 800x600 window, but the area inside the window uses 1600x1200 pixels. love.window.toPixels(800) would re