public void RgbToXyz(int[] rgb, double[] xyz)
{
var rgbColor = Color.FromArgb(rgb[0], rgb[1], rgb[2]);
Assert.Equal(
new XyzColor(xyz[0], xyz[1], xyz[2]),
XyzColor.FromRgb(rgbColor)
);
}
public IEnumerable <Color> PickColors(Bitmap bitmap, int count)
{
var(thumb, width, height) = Resize(bitmap, 72);
using (thumb)
{
var colors = GetColors(thumb, width, height);
var xyzColors = colors.Select(x => XyzColor.FromRgb(x));
var labColors = xyzColors.Select(x => CieLabColor.FromXyz(x));
var labSpace = new CieLabSpace();
var selections = KmeansPlusPlus(labColors.ToArray(), labSpace, count, _seed);
return(selections.Select(x => labSpace.GetCentroid(x)).Select(x => x.ToXyzColor().ToRgbColor()));
}
}
