Whether images and patterns on this canvas will be smoothed when this canvas is scaled.
Image smoothing from WHATWG.
bool imageSmoothingEnabled
© 2012 the Dart project authors
Licensed under the Creative Commons Attribution-ShareAlike License v4.0.
https://api.dartlang.org/stable/2.0.0/dart-html/CanvasRenderingContext2D/imageSmoothingEnabled.html