PlotStyle constructor
Implementation
PlotStyle({
this.pointRadius = 2.0,
this.outlineRadius = 0.0,
this.primary = const Color(0xFF0000FF),
this.secondary = const Color(0xFFFF0000),
this.gridline,
this.axis,
this.axisStrokeWidth = 1.0,
@required this.textStyle,
});