I am using the lv_canvas to draw a meter, How to set the opa of the backgrond? Thanks.
Do you mean to make the background transparent?
Yes，I want to set the background of lv_canvas transparent.
I made some test and realized that there are some issues with canvas if you are using a transparent background. It should be improved in v6.1.
So the next questions are:
- how would like to draw to the canvas
- what is your
Hello, you can use functions: