notifyAddPainters method

void notifyAddPainters(
  1. Iterable<CPO> painters
)

Implementation

void notifyAddPainters(Iterable<CPO> painters) {
  _commitLayersAdded(painters);
  for (var painter in painters) {
    painter.addListener(_onSubPainterChanged);
  }
  notifyListeners(); // 结构变动，也触发重绘
}