@Override
            public void onAnalog(String name, float value, float tpf) {
                float increment = name.endsWith("+") ? 0.3f * tpf : -0.3f * tpf;

                if (name.startsWith("lower")) {
                    float newValue = contrastAdjustmentFilter.getLowerLimit() + increment;
                    contrastAdjustmentFilter.setLowerLimit(newValue);

                } else if (name.startsWith("upper")) {
                    float newValue = contrastAdjustmentFilter.getUpperLimit() + increment;
                    contrastAdjustmentFilter.setUpperLimit(newValue);

                } else if (name.startsWith("re")) {
                    float newValue = contrastAdjustmentFilter.getRedExponent() + increment;
                    contrastAdjustmentFilter.setRedExponent(newValue);

                } else if (name.startsWith("ge")) {
                    float newValue = contrastAdjustmentFilter.getGreenExponent() + increment;
                    contrastAdjustmentFilter.setGreenExponent(newValue);

                } else if (name.startsWith("be")) {
                    float newValue = contrastAdjustmentFilter.getBlueExponent() + increment;
                    contrastAdjustmentFilter.setBlueExponent(newValue);

                } else if (name.startsWith("rs")) {
                    float newValue = contrastAdjustmentFilter.getRedScale() + increment;
                    contrastAdjustmentFilter.setRedScale(newValue);

                } else if (name.startsWith("gs")) {
                    float newValue = contrastAdjustmentFilter.getGreenScale() + increment;
                    contrastAdjustmentFilter.setGreenScale(newValue);

                } else if (name.startsWith("bs")) {
                    float newValue = contrastAdjustmentFilter.getBlueScale() + increment;
                    contrastAdjustmentFilter.setBlueScale(newValue);
                }
            }
Update the status text.

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