/// <summary>
///
/// </summary>
/// <param name="color1"></param>
/// <param name="color2"></param>
/// <returns></returns>
public static int DistanceRgb(ArgbRev color1, ArgbRev color2)
{
var r = Math.Abs(color1.R - color2.R);
var g = Math.Abs(color1.G - color2.G);
var b = Math.Abs(color1.B - color2.B);
return(r * r + g * g + b * b);
}
/// <summary>
///
/// </summary>
/// <param name="color1"></param>
/// <param name="color2"></param>
/// <param name="offset"></param>
/// <returns></returns>
public static ArgbRev Mix(ArgbRev color1, ArgbRev color2, float offset = 0.5f)
{
var offset1A = MathUtils.FastClamp(offset, 0, 1);
var offset2A = 1 - offset1A;
var offset1C = offset1A * color1.Af;
var offset2C = offset2A * color2.Af;
MathUtils.NormalizeSum(ref offset1C, ref offset2C);
return(new ArgbRev(
color1.A + color2.A,
(int)(color1.R * offset1C + color2.R * offset2C),
(int)(color1.G * offset1C + color2.G * offset2C),
(int)(color1.B * offset1C + color2.B * offset2C)
));
}
/// <summary>
///
/// </summary>
/// <param name="color1"></param>
/// <param name="color2"></param>
/// <param name="offset"></param>
/// <returns></returns>
public static ArgbRev Interpolate(ArgbRev color1, ArgbRev color2, float offset)
{
var offset1A = MathUtils.FastClamp(offset, 0, 1);
var offset2A = 1 - offset1A;
var offset1C = offset1A * (color1.Af);
var offset2C = offset2A * (color2.Af);
MathUtils.NormalizeSum(ref offset1C, ref offset2C);
return(new ArgbRev(
(int)(color1.A * offset1A + color2.A * offset2A),
(int)(color1.R * offset1C + color2.R * offset2C),
(int)(color1.G * offset1C + color2.G * offset2C),
(int)(color1.B * offset1C + color2.B * offset2C)
));
}