code: public Resolution getScaled(double factorX, double factorY)
      {
          Check.superiorStrict(factorX, 0);
          Check.superiorStrict(factorY, 0);
  
          return new Resolution((int) (width * factorX), (int) (height * factorY), rate);
      }
docs: Get scaled resolution.
  
  @param factorX The horizontal scale factor (strictly superior to 0).
  @param factorY The vertical scale factor (strictly superior to 0).
  @return The scaled resolution.
  @throws LionEngineException If invalid arguments.