public ConsolePixel GetClosestPixel(Color c)
{
// TODO: make rounding configurable?
// TODO: method to clear cache?
c = c.Round();
int key = c.GetRgbInt();
if (_pixelCache.ContainsKey(key))
return _pixelCache[key];
IReadOnlyList<ConsolePixel> pixels = _pixels;
if (c.IsGrayscale())
pixels = _grayscalePixels;
var w = pixels
.Select(p => new {
Pixel = p,
Distance = c.DistanceTo(p.Color)
})
.OrderBy(x => x.Distance)
.ToList();
ConsolePixel pixel = w[0].Pixel;
_pixelCache.Add(key, pixel);
return pixel;
}