@modoki/engine / rendering / computeCanvasScale
Function: computeCanvasScale()
computeCanvasScale(
refW,refH,actualW,actualH,mode):CanvasScale
Compute scale and centering offset for a Canvas2D.
Parameters
refW
number
Design resolution width
refH
number
Design resolution height
actualW
number
Actual canvas pixel width
actualH
number
Actual canvas pixel height
mode
Canvas2DScaleMode
'fitW' | 'fitH' | 'fill' | 'none'