@Override
    public void simpleInitApp() {
        /*
         * GUI requires a cursor; prevent flyCam from hiding it.
         */
        flyCam.setDragToRotate(true);
        /*
         * Start NiftyGUI without the batched renderer.
         */
        ColorSpace colorSpace = renderer.isMainFrameBufferSrgb()
                ? ColorSpace.sRGB : ColorSpace.Linear;
        NiftyJmeDisplay niftyDisplay = new NiftyJmeDisplay(
                assetManager, inputManager, audioRenderer, guiViewPort, colorSpace);
        guiViewPort.addProcessor(niftyDisplay);
        /*
         * Load GUI controls, styles, and layout from XML assets.
         */
        Nifty nifty = niftyDisplay.getNifty();
        nifty.loadControlFile("nifty-default-controls.xml");
        nifty.loadStyleFile("nifty-default-styles.xml");
        nifty.fromXml("Interface/Nifty/test-issue-99.xml",
                "test-issue-99", this);
    }
Test case for JME issue #99: blendMode="multiply" in Nifty renders
incorrectly.
<p>
If successful, two text labels will be legible. If unsuccessful, only the top
one will be legible.

@author Stephen Gold sgold@sonic.net
jme3-examples/src/main/java/jme3test/niftygui/TestIssue99.java