onPaint method
      
  
void
onPaint(
    
- PaintingContext context,
- Offset offset,
- SfChartThemeData chartThemeData,
- ThemeData themeData,
inherited
    Called to customize each behaviors with given context at the given offset.
Implementation
@protected
void onPaint(
  PaintingContext context,
  Offset offset,
  SfChartThemeData chartThemeData,
  ThemeData themeData,
) {}