zoomOut method Null safety
Decreases the current _zoom by zoomAmount.
Implementation
void zoomOut() {
_zoom = (_zoom - zoomAmount).clamp(minZoom, maxZoom);
notifyListeners();
}Decreases the current _zoom by zoomAmount.
void zoomOut() {
_zoom = (_zoom - zoomAmount).clamp(minZoom, maxZoom);
notifyListeners();
}