canvacard/plugins/circle.js

Powerful image manipulation package for beginners.

module.exports = (ctx, w, h) => {
	ctx.globalCompositeOperation = "destination-in";
	ctx.beginPath();
	ctx.arc(w / 2, h / 2, h / 2, 0, Math.PI * 2);
	ctx.closePath();
	ctx.fill();
	return ctx;
};