HTML5 canvas - how to set a background image for an arbitrary shape?

Question

Canvas

you need to fill the background of an arbitrary figure with a picture in order to get such an effect prntscr.com/8opz06 well, or is it possible to
crop the picture according to a certain figure ?
as?
(I use the paper.js library)

Answer 1

stackoverflow.com/questions/18379818/canvas-image-...

Answer 2

switched to a much more advanced framework - createjs