GetDotPainterCallback typedef
GetDotPainterCallback =
FlDotPainter Function(FlSpot, double, LineChartBarData, int)
The callback passed to get the painter of a FlSpot
The callback receives FlSpot, which is the target spot, LineChartBarData is the chart's bar. int is the index position of the spot. It should return a FlDotPainter that needs to be used for drawing target.
Implementation
typedef GetDotPainterCallback = FlDotPainter Function(
FlSpot,
double,
LineChartBarData,
int,
);