private static double GetDeltaE_DIN99_Base(ColorLCH Color1, ColorLCH Color2)
{
var1 = Color1.C * Math.Cos(Color1.H * Pi180); //a1
var2 = Color1.C * Math.Sin(Color1.H * Pi180); //b1
var3 = Color2.C * Math.Cos(Color2.H * Pi180); //a2
var4 = Color2.C * Math.Sin(Color2.H * Pi180); //b2
return(Math.Sqrt(Math.Pow(Color1.L - Color2.L, 2) + Math.Pow(var1 - var3, 2) + Math.Pow(var2 - var4, 2)));
}
private static double GetDeltaH_DIN99_Base(ColorLCH Color1, ColorLCH Color2)
{
var1 = Color1.C * Math.Cos(Color1.H * Pi180);
var2 = Color1.C * Math.Sin(Color1.H * Pi180);
var3 = Color2.C * Math.Cos(Color2.H * Pi180);
var4 = Color2.C * Math.Sin(Color2.H * Pi180);
var5 = Math.Sqrt(0.5 * (Color2.C * Color1.C + var3 * var1 + var4 * var2));
return((var5 == 0) ? 0 : (var1 * var4 - var3 * var2) / var5);
}
private static double GetDeltaC_DIN99_Base(ColorLCH Color1, ColorLCH Color2)
{
return(Color1.C - Color2.C);
}
private static double GetDeltaH_DIN99_Base(ColorLCH Color1, ColorLCH Color2)
{
var1 = Color1.C * Math.Cos(Color1.H * Pi180);
var2 = Color1.C * Math.Sin(Color1.H * Pi180);
var3 = Color2.C * Math.Cos(Color2.H * Pi180);
var4 = Color2.C * Math.Sin(Color2.H * Pi180);
var5 = Math.Sqrt(0.5 * (Color2.C * Color1.C + var3 * var1 + var4 * var2));
return (var5 == 0) ? 0 : (var1 * var4 - var3 * var2) / var5;
}
private static double GetDeltaE_DIN99_Base(ColorLCH Color1, ColorLCH Color2)
{
var1 = Color1.C * Math.Cos(Color1.H * Pi180); //a1
var2 = Color1.C * Math.Sin(Color1.H * Pi180); //b1
var3 = Color2.C * Math.Cos(Color2.H * Pi180); //a2
var4 = Color2.C * Math.Sin(Color2.H * Pi180); //b2
return Math.Sqrt(Math.Pow(Color1.L - Color2.L, 2) + Math.Pow(var1 - var3, 2) + Math.Pow(var2 - var4, 2));
}
private static double GetDeltaC_DIN99_Base(ColorLCH Color1, ColorLCH Color2)
{
return Color1.C - Color2.C;
}
