ChartZoomController constructor

ChartZoomController({
  1. ChartZoomState? initial,
  2. ZoomConstraints constraints = const ZoomConstraints(),
})

Implementation

ChartZoomController({
  ChartZoomState? initial,
  this.constraints = const ZoomConstraints(),
}) : super(initial ?? ChartZoomState.identity) {
  _applyConstraints();
}