einarwh

public class WheelPrimeEnumerator : IEnumerator<int>
{
  private readonly IEnumerator<int> _candidates = 
    new WheelSequence(11, 
      new BrokenRecord<int>(
        new[] { 4, 2, 4, 2, 4, 6, 2, 6 }
      )
    ).GetEnumerator();
  private readonly IPriorityQueue<NumberEnumerator> _pq = 
    new IntervalHeap<NumberEnumerator>();

einarwh

public class WheelPrimeSequence : IEnumerable<int>
{
  public IEnumerator<int> GetEnumerator()
  {
    yield return 2;
    yield return 3;
    yield return 5;
    var e = new WheelPrimeEnumerator();
    while (e.MoveNext())
    {

einarwh

{ 
  "pixelsWide": 13,
  "pixelsHigh": 10,
  "pixelSize": 20,
  "payload": 
  [
    {
      "color" : '#000000',
      "pixels" :
      [

einarwh

public class PixItData
{
  private readonly Color? _bgColor;
  private readonly int _pixelsWide;
  private readonly int _pixelsHigh;
  private readonly int _pixelSize;
  private readonly Dictionary<Color, IEnumerable<Pixel>> _data;

  public PixItData(Color? bgColor, int pixelsWide, 
    int pixelsHigh, int pixelSize, 

einarwh

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)
  {

einarwh

public class Pixel
{
  private readonly int _x;
  private readonly int _y;

  public Pixel(int x, int y)
  {
    _x = x;
    _y = y;
  }

einarwh

private static Image CreateImage(PixItData data)
{
  int width = data.PixelSize * data.PixelsWide;
  int height = data.PixelSize * data.PixelsHigh;
  var image = new Bitmap(width, height);
  using (Graphics g = Graphics.FromImage(image))
  {
    if (data.Background.HasValue)
    {
      Color bgColor = data.Background.Value;

einarwh

public class PixItHandler : IHttpHandler
{

  public bool IsReusable
  {
    get { return true; }
  }

  public void ProcessRequest(HttpContext context)
  {

einarwh

<configuration>
   <system.web>
      <httpHandlers>
         <add verb="POST" path="pix.it" 
              type="ample.code.pixit.PixItHandler, PixItHandler" />
      </httpHandlers>
   </system.web>
</configuration>

einarwh

{ 
  "background": "#54FCFC",
  "pixelsWide": 18,
  "pixelsHigh": 36,
  "pixelSize": 4,
  "payload": 
  [
    {
      "color" : "#000000",
      "pixels" :