html, body, #container {

    width: 100%;

    height: 100%;

    margin: 0;

    padding: 0;

}

var stage = acgraph.create('container');

​

var rectangle = stage.rect(50, 50, 100, 100);

​

var simpleCircle = stage.circle(150, 150, 50);

​

// Sets clipping of the rectangle.

rectangle.clip(simpleCircle.getBounds());