code: public void setGamma(float rGamma, float gGamma, float bGamma) {
  		this.rGamma = rGamma;
  		this.gGamma = gGamma;
  		this.bGamma = bGamma;
  		initialized = false;
  	}
docs: Set the gamma levels.
  @param rGamma the gamma level for the red channel
  @param gGamma the gamma level for the blue channel
  @param bGamma the gamma level for the green channel
  @see #getGamma