drawChart method

@override void drawChart(VolumeEntity lastPoint, VolumeEntity curPoint, double lastX, double curX, Size size, Canvas canvas,)

Implementation

@override
void drawChart(VolumeEntity lastPoint, VolumeEntity curPoint, double lastX,
    double curX, Size size, Canvas canvas) {
  double r = mVolWidth / 2;
  double top = getVolY(curPoint.vol);
  double bottom = chartRect.bottom;
  if (curPoint.vol != 0) {
    canvas.drawRect(
      Rect.fromLTRB(curX - r, top, curX + r, bottom),
      chartPaint
        ..color = curPoint.close > curPoint.open
            ? this.chartColors.volUpColor
            : this.chartColors.volDnColor,
    );
  }

  if (lastPoint.MA5Volume != 0) {
    drawLine(
      lastPoint.MA5Volume,
      curPoint.MA5Volume,
      canvas,
      lastX,
      curX,
      this.chartColors.ma5Color,
    );
  }

  if (lastPoint.MA10Volume != 0) {
    drawLine(
      lastPoint.MA10Volume,
      curPoint.MA10Volume,
      canvas,
      lastX,
      curX,
      this.chartColors.ma10Color,
    );
  }
}