calculateSegmentPoints method
- @override
override
Calculates the rendering bounds of a segment.
Implementation
@override
void calculateSegmentPoints() {
final dynamic start = series._xAxis._visibleRange.minimum;
final dynamic end = series._xAxis._visibleRange.maximum;
x1 = y1 = x2 = y2 = double.nan;
final Rect rect = _calculatePlotOffset(
series._chart._chartAxis._axisClipRect,
Offset(series._xAxis.plotOffset, series._yAxis.plotOffset));
if ((_x1Pos != null &&
_x2Pos != null &&
_y1Pos != null &&
_y2Pos != null) &&
((_x1Pos >= start && _x1Pos <= end) ||
(_x2Pos >= start && _x2Pos <= end) ||
(start >= _x1Pos && start <= _x2Pos))) {
final _ChartLocation currentChartPoint = _calculatePoint(
_x1Pos,
_y1Pos,
series._xAxis,
series._yAxis,
series._chart._requireInvertedAxis,
series,
rect);
final _ChartLocation nextPoint = _calculatePoint(
_x2Pos,
_y2Pos,
series._xAxis,
series._yAxis,
series._chart._requireInvertedAxis,
series,
rect);
x1 = currentChartPoint.x;
y1 = currentChartPoint.y;
x2 = nextPoint.x;
y2 = nextPoint.y;
}
}