function rotate( 
   degreesClockwise : number
) : (Any);

var resultVar = instanceOfPageView.rotate(number);

Parameters

degreesClockwise

Use this parameter to indicate how much to rotate the image. Only the following values are accepted: 90, 180, 270, -90, -180, and -270.

Rotates the current image, while keeping the portion of the image at the center of the viewer remaining in the same location.

Reference