/// <summary>
/// Use the median cut algorithm to cluster similar colors.
/// </summary>
/// <param name="sourceImage">The source image.</param>
/// <param name="colorCount">The color count.</param>
/// <param name="quality">
/// 0 is the highest quality settings. 10 is the default. There is
/// a trade-off between quality and speed. The bigger the number,
/// the faster a color will be returned but the greater the
/// likelihood that it will not be the visually most dominant color.
/// </param>
/// <param name="ignoreWhite">if set to <c>true</c> [ignore white].</param>
/// <returns></returns>
public static MMCQ.CMap GetColorMap(
WriteableBitmap sourceImage,
int colorCount,
int quality,
bool ignoreWhite)
{
var pixelArray = GetPixelsFast(sourceImage, quality, ignoreWhite);
// Send array to quantize function which clusters values using median
// cut algorithm
var cmap = MMCQ.Quantize(pixelArray, colorCount);
return(cmap);
}
List <ColorBox> GetColorMap(int sx, int sy, int width, int height, int maxColors)
{
var pixels = new Color[width * height];
for (int j = 0; j < height; j++)
{
for (int i = 0; i < width; i++)
{
pixels[j * width + i] = _bitmap.GetPixel(sx + i, sy + j);
}
}
var colors = MMCQ.Quantize(pixels, maxColors).ToList();
colors.Sort((a, b) => b.GetCount().CompareTo(a.GetCount()));
return(colors);
}