private static int getPixelNumber(ColorPixel inputPixel)
{
var count = 0;
foreach (var pixel in _pixels)
{
if ((inputPixel.R == pixel.R) && (inputPixel.G == pixel.G) && (inputPixel.B == pixel.B))
{
return(count);
}
count++;
}
return(-100);
}
/// <summary>
/// Returns a score from 0 to 4 representing the similarity of the two pixels
/// </summary>
/// <param name="pixel1"></param>
/// <param name="pixel2"></param>
/// <returns></returns>
public static int comparePixels(ColorPixel pixel1, ColorPixel pixel2)
{
var pixel1Id = getPixelNumber(pixel1);
var pixel2Id = getPixelNumber(pixel2);
if (pixel1Id > pixel2Id)
{
var aux = pixel1Id;
pixel1Id = pixel2Id;
pixel2Id = aux;
}
if (pixel1Id == -100)
{
return(0);
}
var directDistance = pixel2Id - pixel1Id;
var inverseDistance = 9 - pixel2Id + pixel1Id;
var distance = Math.Min(directDistance, inverseDistance);
return((int)Math.Pow(2, 4 - distance));
}