love.graphics.getDPIScale
| Available since LÖVE 11.0 |
| This function is not supported in earlier versions. |
Gets the DPI scale factor of the window.
The DPI scale factor represents relative pixel density. 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.graphics.getDPIScale() would return 2 in that case.
The love.window.fromPixels and love.window.toPixels functions can also be used to convert between units.
The highdpi window flag must be enabled to use the full pixel density of a Retina screen on Mac OS X and iOS. The flag currently does nothing on Windows and Linux, and on Android it is effectively always enabled.
Function
Synopsis
scale = love.graphics.getDPIScale( )
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, mouse events, love.touch.getPosition, and touch events are always in DPI-scaled units rather than pixels. In LÖVE 0.10 and older they were in pixels.
See Also
- love.graphics
- love.graphics.getDimensions
- love.graphics.getPixelDimensions
- love.window.toPixels
- love.window.fromPixels
- love.window.setMode
- Config Files
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