How to restore the graffiti area of the original image when restoring a pre edited image

[zhenzi0322]

Similar effects are as follows

When I am doodling, there will be a re rendering. How is this usage done

[asturur]

Is completely unclear what are you doing.
Since is 2024 i suspect you are talking about a background removal kind of application.

You have a picture to which a mask is applied and removes the background.
What you can do is to take your path, send it to the plane of the image, draw it with a globalCompositeOperation that adds opaque pixels back to the mask.

The details of this is entirely dependent on your application setup