public void CreatePalette(IEnumerable <Color> colors)
{
// Step 1: Build a 3-dimensional histogram of all colors and calculate their moments
var histogram = new Wu3DHistogram(colors.ToArray(), _indexBits, _indexAlphaBits, _indexCount, _indexAlphaCount);
// Step 2: Create color cube
var cube = WuColorCube.Create(histogram, _colorCount);
// Step 3: Create palette from color cube
_palette = CreatePalette(cube).ToList();
}
public WuColorQuantizer(int indexBits, int indexAlphaBits, int colorCount)
{
_colorCache = new WuColorCache(indexBits, indexAlphaBits);
_histogram = new Wu3DHistogram(indexBits, indexAlphaBits, (1 << indexBits) + 1, (1 << indexAlphaBits) + 1);
var tableLength = _histogram.IndexCount * _histogram.IndexCount * _histogram.IndexCount * _histogram.IndexAlphaCount;
_colorCache.Tag = new byte[tableLength];
_colorCount = colorCount;
}
