/// <summary>Set the hue and saturation based on point X,Y relative to the wheel centre</summary>
private void SelectHueAndSaturation(int x, int y)
{
var dim = LayoutDimensions;
if (dim.Empty)
{
return;
}
HSVColour = HSV.FromRadial((x - dim.Centre.X) / dim.Radius, (y - dim.Centre.Y) / dim.Radius, HSVColour.V, HSVColour.A);
}
