Family Tree is prone to be growing in size and zooming feature is coming into play to view
the tree the most convenient way.
Zoom In and Zoom Out buttons work as single click as well as press-and-hold buttons. Please note, zooming can be
also controlled by keystrokes and mouse wheel.
While zooming in or out and having one person selected app is trying to keep this person at the center of the screen.
Also, while zooming in or out app is trying to maintain human’ information text font size to be easy to read.
Following Fig.1 – Fig.3 show how it looks like: