getDashPath method
x轴的虚线
Implementation
Path getDashPath(int index, Offset endPoint) {
Path? kDashPath = _gridLine[index];
if (kDashPath == null) {
kDashPath = _dashPath(const Offset(0, 0), endPoint);
_gridLine[index] = kDashPath;
}
return kDashPath;
}