paint method
      
  
void
paint(
    
    
- ChartCanvas canvas,
- Rectangle<num> bounds, {
- List<int> ? dashPattern,
- Color? fillColor,
- FillPatternType? fillPattern,
- Color? strokeColor,
- double? strokeWidthPx,
override
    Implementation
@override
void paint(ChartCanvas canvas, Rectangle<num> bounds,
    {List<int>? dashPattern,
    Color? fillColor,
    FillPatternType? fillPattern,
    Color? strokeColor,
    double? strokeWidthPx}) {
  canvas.drawRect(bounds,
      fill: getSolidFillColor(fillColor),
      stroke: strokeColor,
      strokeWidthPx: getSolidStrokeWidthPx(strokeWidthPx));
}