Pinta.LevelsDialog.MaskGamma C# (CSharp) Method

        private float MaskGamma()
        {
            int count = 0;
            float total = 0;

            for (int c = 0; c < 3; c++) {
                if (mask [c]) {
                    total += Levels.GetGamma (c);
                    count++;
                }
            }

            if (count > 0) {
                return total / count;
            } else {
                return 1;
            }
        }