zoomIn method Null safety
Increases the current _zoom by zoomAmount.
Implementation
void zoomIn() {
_zoom = (_zoom + zoomAmount).clamp(minZoom, maxZoom);
notifyListeners();
}Increases the current _zoom by zoomAmount.
void zoomIn() {
_zoom = (_zoom + zoomAmount).clamp(minZoom, maxZoom);
notifyListeners();
}