@Override
    public RenderImage createImage(String filename, boolean linear) {
        //System.out.println("createImage(" + filename + ", " + linear + ")");
        return new RenderImageJme(filename, linear, display);
    }
Instantiates a new RenderDevice using the specified ColorSpace for Nifty
colors.

@param display the SceneProcessor to render Nifty (not null, alias created)
@param colorSpace the ColorSpace to use for Nifty colors (sRGB or Linear)
jme3-niftygui/src/main/java/com/jme3/niftygui/RenderDeviceJme.java