/// <summary>
/// Gets the mode of a Color[]
/// </summary>
/// <param name="colors">Array of Colors</param>
/// <returns>Index of mode, -1 if non found</returns>
private int GetModeOfColorArray(Color[] colors)
{
Color[] distinctcolors = colors.Distinct().ToArray();
int[] countcolors = new int[distinctcolors.Length];
int highest = 1;
int highestindex = -1;
var mode = false;
//count how many time distinct values are in colors
for (int i = 0; i < distinctcolors.Length; i++)
{
foreach (Color t in colors)
{
if (t == distinctcolors[i])
countcolors[i]++;
}
}
//check what the highest value is
for (int i = 0; i < countcolors.Length; i++)
{
if (countcolors[i] > highest)
{
highest = countcolors[i];
highestindex = i;
mode = true;
}
}
if (mode)
return Array.IndexOf(colors, distinctcolors[highestindex]);
return -1;
}
