/// <summary>
/// Blend a color with another color
/// </summary>
/// <param name="color">Foreground color</param>
/// <param name="behind">Background color</param>
/// <returns></returns>
public static Xamarin.Forms.Color Blend(this Xamarin.Forms.Color color, Xamarin.Forms.Color behind)
{
if (behind.A != 1)
{
behind = behind.Blend(Xamarin.Forms.Color.Black);
}
//return new Xamarin.Forms.Color(
// Math.Pow(Math.Pow(color.R, 2.2) * color.A + Math.Pow(behind.R, 2.2) * (1 - color.A), 1 / 2.2),
// Math.Pow(Math.Pow(color.G, 2.2) * color.A + Math.Pow(behind.G, 2.2) * (1 - color.A), 1 / 2.2),
// Math.Pow(Math.Pow(color.B, 2.2) * color.A + Math.Pow(behind.B, 2.2) * (1 - color.A), 1 / 2.2)
// );
return(new Xamarin.Forms.Color(
color.R * color.A + behind.R * (1 - color.A),
color.G * color.A + behind.G * (1 - color.A),
color.B * color.A + behind.B * (1 - color.A)
));
}