@Override
            public void onAction(String name, boolean keyPressed, float tpf) {
                if (name.equals("reset") && keyPressed) {
                    contrastAdjustmentFilter.setExponents(1f, 1f, 1f)
                            .setInputRange(0f, 1f)
                            .setScales(1f, 1f, 1f);
                }
            }
Update the status text.

@param tpf unused
jme3-examples/src/main/java/jme3test/post/TestContrastAdjustment.java