Bloom.Edit.JpegWarningDialog.IsGreyScale C# (CSharp) Method

        private static bool IsGreyScale(Bitmap bmp)
        {
            var sampleLinePercentages = new[] { 20, 50, 70 };
            return
                sampleLinePercentages.Any(sampleLine => GetIsGrey(bmp, (int)(bmp.Height * (sampleLine / 100.0))));
        }