Replace the knob of slider with an image

Description

What LVGL version are you using?

v8.1.0-DEV

What do you want to achieve?

I want to replace knob whit a image or create an image on knob.

What have you tried so far?

When I search the keyword slider knob image, some api solutions proposed by others came into my eyes. Unfortunately they are all disabled in v8.

Code to reproduce

Add a code snippet which can run in the simulator. It should contain only the relevant code that compiles without errors when separated from your main code base.

The code block(s) should be formatted like:

/*You code here*/

Screenshot and/or video

snippet tips: