Custom cursor based on a png image

After looking the examples in https://phaser.io/examples/v3/category/input/cursors I was just wondering if it’s possible to use a .png instead of a cursor file. For example, a simple semi-solid circle (with a bit of transparency inside):

test

https://photonstorm.github.io/phaser3-docs/Phaser.Input.InputPlugin.html#setDefaultCursor