calculateSegmentPoints method
Calculates the rendering bounds of a segment.
Implementation
@override
void calculateSegmentPoints() {
final SegmentProperties segmentProperties =
SegmentHelper.getSegmentProperties(this);
final SeriesRendererDetails segmentSeriesRendererDetails =
SeriesHelper.getSeriesRendererDetails(segmentProperties.seriesRenderer);
late Rect rect;
rect = calculatePlotOffset(
segmentProperties.stateProperties.chartAxis.axisClipRect,
Offset(segmentSeriesRendererDetails.xAxisDetails!.axis.plotOffset,
segmentSeriesRendererDetails.yAxisDetails!.axis.plotOffset));
final ChartLocation currentChartPoint = calculatePoint(
segmentProperties.currentPoint!.xValue,
segmentProperties.currentCummulativePos,
segmentSeriesRendererDetails.xAxisDetails!,
segmentSeriesRendererDetails.yAxisDetails!,
segmentProperties.stateProperties.requireInvertedAxis,
segmentProperties.series,
rect);
final ChartLocation nextLocation = calculatePoint(
segmentProperties.nextPoint!.xValue,
segmentProperties.nextCummulativePos,
segmentSeriesRendererDetails.xAxisDetails!,
segmentSeriesRendererDetails.yAxisDetails!,
segmentProperties.stateProperties.requireInvertedAxis,
segmentProperties.series,
rect);
final ChartLocation currentCummulativePoint = calculatePoint(
segmentProperties.currentPoint!.xValue,
segmentProperties.currentCummulativePos,
segmentSeriesRendererDetails.xAxisDetails!,
segmentSeriesRendererDetails.yAxisDetails!,
segmentProperties.stateProperties.requireInvertedAxis,
segmentProperties.series,
rect);
final ChartLocation nextCummulativePoint = calculatePoint(
segmentProperties.nextPoint!.xValue,
segmentProperties.nextCummulativePos,
segmentSeriesRendererDetails.xAxisDetails!,
segmentSeriesRendererDetails.yAxisDetails!,
segmentProperties.stateProperties.requireInvertedAxis,
segmentProperties.series,
rect);
segmentProperties.x1 = currentChartPoint.x;
segmentProperties.y1 = currentChartPoint.y;
segmentProperties.x2 = nextLocation.x;
segmentProperties.y2 = nextLocation.y;
segmentProperties.currentCummulativeValue = currentCummulativePoint.y;
segmentProperties.nextCummulativeValue = nextCummulativePoint.y;
}