Pinta.ImageManipulation.ScaleFactor.UseIfValid C# (CSharp) Method

		public static ScaleFactor UseIfValid (int numerator, int denominator, ScaleFactor lastResort)
		{
			if (numerator <= 0 || denominator <= 0) {
				return lastResort;
			} else {
				return new ScaleFactor (numerator, denominator);
			}
		}