Pinch zoom on xamarin form scrollview

I'm working on an app where we have a xamarin view scrolling to which we add multiple subzones. Each of these subzones has its own renderer defined in the droid project, since we are rendering some fairly complex objects (for example, decorated text appears as a designed polygon).

Now I need to add a pinch zoom for this scrollview (yay me!), Is there a practical way to do this?

Thank you for your time.