public Color GetColor(T item)
{
if (ColorMap.ContainsKey(item))
{
return(ColorMap[item]);
}
else
{
var color = Colors[NextIndex];
NextIndex = (NextIndex + 1) % Colors.Count;
ColorMap[item] = color;
return(color);
}
}
public static ColorMap BuildColorMap(this Bitmap source)
{
var map = new ColorMap();
source.GetPixels().Select(p =>
{
if (map.ContainsKey(p.Color)) {
map[p.Color]++;
} else {
map.Add(p.Color, 1);
}
return p;
}).ToList();
return map;
}