Extracts JSON data into .NET object.

ToPixItData.cs

private static PixItData ToPixItData(string json)
{
  JObject o = JObject.Parse(json);
  int size = o.SelectToken("pixelSize").Value<int>();
  int wide = o.SelectToken("pixelsWide").Value<int>();
  int high = o.SelectToken("pixelsHigh").Value<int>();
  JToken bg = o.SelectToken("background");
  Color? bgColor = null;
  if (bg != null)
  {
    string bgStr = bg.Value<string>();
    bgColor = ColorTranslator.FromHtml(bgStr);
  }
  JToken payload = o.SelectToken("payload");
  var dict = new Dictionary<Color, IEnumerable<Pixel>>();
  foreach (var t in payload)
  {
    var list = new List<Pixel>();
    foreach (var xyArray in t.SelectToken("pixels"))
    {
      int x = xyArray[0].Value<int>();
      int y = xyArray[1].Value<int>();
      list.Add(new Pixel(x, y));
    }
    string cs = t.SelectToken("color").Value<string>();
    Color clr = ColorTranslator.FromHtml(cs);
    dict[clr] = list;
  }
  return new PixItData(wide, high, size, dict);
}