RadiometricMeasurementCanvas.java 文件源码

@Override
protected void updateLayout() {
    super.updateLayout();

    // Set the bounding node to match exactly the size of the viewport.
    AffineTransform transform = getWorldTransformStrategy().getTransform();
    AffineTransform inverseTransform;
    try {
        inverseTransform = transform.createInverse();
    }
    catch ( NoninvertibleTransformException e ) {
        System.err.println( getClass().getName() + " - Error: Unable to invert transform." );
        e.printStackTrace();
        inverseTransform = new AffineTransform(); // Unity transform by default.
    }
    Shape tranformedBounds = inverseTransform.createTransformedShape( getBounds() );

    _probeDragBounds.setPathTo( tranformedBounds );
}