doPaint method
Implementation
void doPaint(PaintingContext context, Offset offset) {
_clipRectLayer.layer = null;
// Paint each child at its layout position
RenderBox? child = firstChild;
while (child != null) {
final parentData = child.parentData! as InsertableWrapParentData;
context.paintChild(child, offset + parentData.offset);
child = childAfter(child);
}
}