paintExtentOf method
- @protected
@protected
Returns the dimension of the given child in the main axis, as given by the child's RenderBox.size property. This is only valid after layout.
Implementation
@protected
double paintExtentOf(RenderBox child) {
assert(child != null);
assert(child.hasSize);
switch (constraints.axis) {
case Axis.horizontal:
return child.size.width;
case Axis.vertical:
return child.size.height;
}
return null;
}