Functions
 FunctionDescription
 calculateScaleRatioToFill Calculates a scale value to maintain aspect ratio and fill the required bounds (with the possibility of cutting of the edges a bit).
 calculateScaleRatioToFit Calculates a scale value to maintain aspect ratio and fit inside the required bounds (with the possibility of a bit of empty space on the edges).
 getDisplayObjectDepthFromStage Calculates how many levels deep the target object is on the display list, starting from the Starling stage.
 nativeToGlobal Converts from native coordinates to Starling global coordinates.
 stageToStarling Finds the Starling instance that controls a particular starling.display.Stage.
Classes
 ClassDescription
 ScreenDensityScaleCalculator Selects a value for contentScaleFactor based on the screen density (sometimes called DPI or PPI).