getFillPaint method

  1. @override
Paint getFillPaint()
override

Gets the color of the series.

Implementation

@override
Paint getFillPaint() {
  _setSegmentProperties();
  final bool hasPointColor =
      _segmentProperties.series.pointColorMapper != null;

  /// Get and set the paint options for range column series.
  if (_segmentProperties.series.gradient == null) {
    fillPaint = Paint()
      ..color = (_segmentProperties.currentPoint!.isEmpty ?? false)
          ? _segmentProperties.series.emptyPointSettings.color
          : ((hasPointColor &&
                  _segmentProperties.currentPoint!.pointColorMapper != null)
              ? _segmentProperties.currentPoint!.pointColorMapper
              : _segmentProperties.color)!
      ..style = PaintingStyle.fill;
  } else {
    fillPaint = getLinearGradientPaint(
        _segmentProperties.series.gradient!,
        _segmentProperties.currentPoint!.region!,
        _segmentProperties.stateProperties.requireInvertedAxis);
  }
  assert(_segmentProperties.series.opacity >= 0 == true,
      'The opacity value of the range column series should be greater than or equal to 0.');
  assert(_segmentProperties.series.opacity <= 1 == true,
      'The opacity value of the range column series should be less than or equal to 1.');
  fillPaint!.color = (_segmentProperties.series.opacity < 1 == true &&
          fillPaint!.color != Colors.transparent)
      ? fillPaint!.color.withOpacity(_segmentProperties.series.opacity)
      : fillPaint!.color;
  _segmentProperties.defaultFillColor = fillPaint!;
  setShader(_segmentProperties, fillPaint!);
  return fillPaint!;
}