pointColorMapper property

ChartIndexedValueMapper<Color> pointColorMapper
final

Field in the data source, which is considered as fill color for the data points.

Defaults to null

Widget build(BuildContext context) {
   return Container(
       child: SfCartesianChart(
           series: <ColumnSeries<ColumnColors, num>>[
                  ColumnSeries<ColumnColors, num>(
                      dataSource: chartData,
                      xValueMapper: (ColumnColors sales, _) => sales.x,
                      yValueMapper: (ColumnColors sales, _) => sales.y,
                      pointColorMapper: (ColumnColors sales, _) => sales.pointColorMapper,
                 ),
            ],
       ));
}
final dynamic chartData = <ColumnColors>[
   ColumnColors(1991, 7.8, const Color.fromRGBO(0, 0, 255, 1)),
   ColumnColors(1992, 6.5, const Color.fromRGBO(255, 0, 0, 1)),
   ColumnColors(1993, 6.0, const Color.fromRGBO(255, 100, 102, 1)),
];
class ColumnColors {
 ColumnColors(this.x, this.y,this.pointColorMapper);
 final num x;
 final num y;
 final Color pointColorMapper;
}

Implementation

final ChartIndexedValueMapper pointColorMapper