getFillPaint method
Gets the color of the series.
Implementation
@override
Paint getFillPaint() {
_setSegmentProperties();
fillPaint = Paint();
if (_segmentProperties.series.gradient == null) {
if (_segmentProperties.color != null) {
fillPaint!.color = _segmentProperties.color!;
fillPaint!.style = PaintingStyle.fill;
}
} else {
fillPaint = (_segmentProperties.pathRect != null)
? getLinearGradientPaint(
_segmentProperties.series.gradient!,
_segmentProperties.pathRect!,
_segmentProperties.stateProperties.requireInvertedAxis)
: fillPaint;
}
assert(_segmentProperties.series.opacity >= 0 == true,
'The opacity value of the range area series should be greater than or equal to 0.');
assert(_segmentProperties.series.opacity <= 1 == true,
'The opacity value of the range area 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!;
}