title: how to create custom fontstyles and colors UI in flutter
body: <p>I want to create custom fontstyles and colors based on user choice like instagram story editing section.is there any way to create like that? please help me to get through it</p>
  <p>i want to customize like this (not exact like this)i want to create my own editor</p>
  <p><a href="https://i.stack.imgur.com/usYti.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/usYti.jpg" alt="" /></a></p>