code: public void setCurve(Curve curveRed, Curve curveGreen, Curve curveBlue) {
          this.curveRed = curveRed;
          this.curveGreen = curveGreen;
          this.curveBlue = curveBlue;
      }
docs: Set curves.
  
  @param curveRed   Red curve.
  @param curveGreen Green curve.
  @param curveBlue  Blue curve.