getPathCache method
Implementation
Path? getPathCache(int index) {
if (_pathMap.containsKey(index)) {
return _pathMap[index];
} else {
Path path = Path();
bool init = true;
this.seriesMap![index]!.forEach((p) {
if (init) {
init = false;
path.moveTo(p.chartPoint.x, p.chartPoint.y);
}
path.lineTo(p.chartPoint.x, p.chartPoint.y);
});
_pathMap[index] = path;
return path;
}
}