CartesianChartAnnotation constructor

CartesianChartAnnotation({Widget child, CoordinateUnit coordinateUnit, AnnotationRegion region, ChartAlignment horizontalAlignment, ChartAlignment verticalAlignment, dynamic x, dynamic y, dynamic xAxisName, dynamic yAxisName })

Implementation

CartesianChartAnnotation(
    {this.child,
    CoordinateUnit coordinateUnit,
    AnnotationRegion region,
    ChartAlignment horizontalAlignment,
    ChartAlignment verticalAlignment,
    dynamic x,
    dynamic y,
    this.xAxisName,
    this.yAxisName})
    : coordinateUnit = coordinateUnit ?? CoordinateUnit.logicalPixel,
      region = region ?? AnnotationRegion.chart,
      x = x ?? 0,
      y = y ?? 0,
      horizontalAlignment = horizontalAlignment ?? ChartAlignment.center,
      verticalAlignment = verticalAlignment ?? ChartAlignment.center;