Set the preferred cropping operation
@param cropBounds New crop bounds
*/
public void setCropBounds( Rectangle2D cropBounds ) {
ODMGXAWrapper txw = new ODMGXAWrapper();
txw.lock( this, Transaction.WRITE );
cropMinX = cropBounds.getMinX();
cropMinY = cropBounds.getMinY();
cropMaxX = cropBounds.getMaxX();
cropMaxY = cropBounds.getMaxY();
txw.commit();