void updateZOrder()
{
if (elem.activeRows == 0)
return;
for (size_t i = 0; i < elem.activeRows; ++i)
elem.scanrows[i]->initUpdateZ();
ScanRow *prev = elem.scanrows[0];
prev->finiUpdateZ(0);
for (size_t i = 1; i < elem.activeRows; ++i)
{
ScanRow *row = elem.scanrows[i];
row->finiUpdateZ(prev);
prev = row;
}
}
void updateZOrder()
{
if (elem.scanrows.empty())
return;
for (size_t i = 0; i < elem.scanrows.size(); ++i)
elem.scanrows[i]->initUpdateZ();
ScanRow *prev = elem.scanrows.front();
prev->finiUpdateZ(0);
for (size_t i = 1; i < elem.scanrows.size(); ++i)
{
ScanRow *row = elem.scanrows[i];
row->finiUpdateZ(prev);
prev = row;
}
}
