builder method

Implementation

@override
BasePainter builder(BuildContext context) {
  final data = watchController();
  double average = 0;
  if (data is AceStockMetricController && data.average != null) {
    average = data.average!;
  }

  final painter = LineChartPainter(
      useShader: widget.useShader,
      transformTime: widget.transformTime,
      maxLength: data.maxLength,
      pointSpace: data.getSpace(),
      scrollX: data.getScrollX(),
      scale: data.getScale(),
      pressOffset: data.getPressOffset(),
      averageLineColor: widget.averageLineColor,
      average: average,
      values: data.values,
      pointWidth: data.pointWidth,
      strokeWidth: widget.strokeWidth,
      lastClose: widget.lastClose,
      paddingTop: widget.paddingTop,
      lineColor: widget.lineColor,
      gridLineWidth: widget.gridLineWidth,
      gridLineColor: widget.gridLineColor,
      gridHorizontalGrids: widget.gridHorizontalGrids,
      gridVerticalGrids: widget.gridVerticalGrids,
      gridUpperStyle: widget.gridUpperStyle,
      gridTextStyle: widget.gridTextStyle,
      gridlowerStyle: widget.gridlowerStyle,
      centralAxisColor: widget.centralAxisColor,
      centralAxisStyle: widget.centralAxisStyle,
      horizontalTextStyle: widget.horizontalTextStyle,
      crossLineColor: widget.crossLineColor,
      crossLineWidth: widget.crossLineWidth,
      crossTextBgColor: widget.crossTextBgColor,
      crossTextBorderColor: widget.crossTextBorderColor,
      crossLowerTextStyle: widget.crossLowerTextStyle,
      crossUpperTextStyle: widget.crossUpperTextStyle,
      onDrawCross: (
        index,
        alignment,
        pressOffset,
      ) {
        if (_crossIndex == index) {
          return;
        }
        _crossIndex = index;
        HapticFeedback.selectionClick();
        if (widget.onCrossChange == null) {
          return;
        }
        widget.onCrossChange!(index, alignment);
      },
      maDayColors: widget.maDayColors,
      maStrokeWidth: widget.maStrokeWidth);
  return painter;
}