calculateMaxBounds method
Implementation
Rect calculateMaxBounds() {
final startBounds = _start.calculateMaxBounds();
final minX = startBounds.left;
final minY = startBounds.top;
final maxX = startBounds.right;
final maxY = startBounds.bottom;
final endBounds = _end.calculateMaxBounds();
return Rect.fromLTRB(
math.min(minX, endBounds.left),
math.min(minY, endBounds.top),
math.max(maxX, endBounds.right),
math.max(maxY, endBounds.bottom),
);
}