1: /// <summary>

   2: /// Gets a palette listing in HTML string format

   3: /// </summary>

   4: /// <param name="OriginalImage">Image to get the palette of</param>

   5: /// <returns>A list containing HTML color values (ex: #041845)</returns>

   6: public static List<string> GetHTMLPalette(Bitmap OriginalImage)

   7: {

   8:     List<string> ReturnArray = new List<string>();

   9:     if (OriginalImage.Palette != null && OriginalImage.Palette.Entries.Length > 0)

  10:     {

  11:         for (int x = 0; x < OriginalImage.Palette.Entries.Length; ++x)

  12:         {

  13:             string TempColor = ColorTranslator.ToHtml(OriginalImage.Palette.Entries[x]);

  14:             if (!ReturnArray.Contains(TempColor))

  15:             {

  16:                 ReturnArray.Add(TempColor);

  17:             }

  18:         }

  19:         return ReturnArray;

  20:     }

  21:     BitmapData ImageData = Image.LockImage(OriginalImage);

  22:     int PixelSize = Image.GetPixelSize(ImageData);

  23:     for (int x = 0; x < OriginalImage.Width; ++x)

  24:     {

  25:         for (int y = 0; y < OriginalImage.Height; ++y)

  26:         {

  27:             string TempColor = ColorTranslator.ToHtml(Image.GetPixel(ImageData, x, y, PixelSize));

  28:             if (!ReturnArray.Contains(TempColor))

  29:             {

  30:                 ReturnArray.Add(TempColor);

  31:             }

  32:         }

  33:     }

  34:     Image.UnlockImage(OriginalImage, ImageData);

  35:     return ReturnArray;

  36: }