public static Color[] LabDistanceSort(Color[] colors, Color color)
{
if (colors == null)
{
return(colors);
}
if (colors.Length == 0)
{
return(colors);
}
SortedDictionary <ColorIndex, Color> l = new SortedDictionary <ColorIndex, Color>();
int i;
for (i = 0; i < colors.Length; i++)
{
l.Add(new ColorIndex(ColorTransform.LabDistance(color, colors[i]), i), colors[i]);
}
Color[] r = new Color[colors.Length];
i = 0;
foreach (KeyValuePair <ColorIndex, Color> p in l)
{
r[i++] = p.Value;
}
return(r);
}
public static Color FindLabNearest(Color color, Color[] colors)
{
if (colors == null)
{
return(color);
}
if (colors.Length == 0)
{
return(color);
}
Color c = colors[0];
double diff = ColorTransform.LabDistance(color, c);
for (int i = 1; i < colors.Length; i++)
{
double d = ColorTransform.LabDistance(color, colors[i]);
if (d < diff)
{
diff = d;
c = colors[i];
}
}
return(c);
}
