javascript - How to set background image from current canvas in fabric js -

im looking how set background image current canvas in fabric js

is possible do? or please explain me know how it.

i 1) 2) 5) though, couldnt figure out want number 3

1) import png image pc
2) such rotate, expand image
3) set background image it
4) again
5) export png image

i tried this

var object2 = new fabric.circle({ left: 200,   top: 200,   radius: 30,   fill: 'gray',   stroke: 'black',   strokewidth: 3 });  canvas.setbackgroundimage(object2, canvas.renderall.bind(canvas)); canvas.renderall(); 

it works though next 1 doesnt work after upload image.

var object = canvas.getactiveobject(); canvas.setbackgroundimage(object, canvas.renderall.bind(canvas)); canvas.renderall(); 

i referred upload code here
how upload image canvas fabric.js?

thanks in advance.

canvas.setbackgroundimage(obj) 

use set uploaded image canvas background. more check