Drawing and Erasing on ImageView Using UIBezierPath

Question

I am writing the response code of this link to create an ImageViewLayer and Imageview. stack overflow

This link gives me the following result.

It is working fine. But I want, when the user presses the original button ... and then touches it with his finger, he removes the blank space of the field field with the previous one.

And how to create Undo Functionality for this. If there is any question regarding this, please add your comment ... Please help me ...

Answer 1

How to draw CALayer with a linear path, for example, simulate the effect of erasers?

This is a message that I am receiving a response to. There is an example code about the effect. what makes you different is changing the gray layer as a “paper maker”

hope this helps you