public CMY_Color(Color color)
{
A = color.A;
R = color.R;
G = color.G;
B = color.B;
this.color = color;
C = BaseExtensions.GetComponentValue(1 - GrayCalculatorExtensions.GetNonLinearGammaCorrectedValue(R));
M = BaseExtensions.GetComponentValue(1 - GrayCalculatorExtensions.GetNonLinearGammaCorrectedValue(G));
Y = BaseExtensions.GetComponentValue(1 - GrayCalculatorExtensions.GetNonLinearGammaCorrectedValue(B));
}
public CMY_Color(int C, int M, int Y)
{
this.C = C;
this.M = M;
this.Y = Y;
A = 255;
R = BaseExtensions.GetComponentValue(1 - GrayCalculatorExtensions.GetNonLinearGammaCorrectedValue(C));
G = BaseExtensions.GetComponentValue(1 - GrayCalculatorExtensions.GetNonLinearGammaCorrectedValue(M));
B = BaseExtensions.GetComponentValue(1 - GrayCalculatorExtensions.GetNonLinearGammaCorrectedValue(Y));
color = Color.FromArgb(A, R, G, B);
}
private const double y = 0.713; /* (0.5 / (1 - 0.299)) = 0.71326676176890156918687589158345 */
public YCbCr_Color(Color color)
{
A = color.A;
R = color.R;
G = color.G;
B = color.B;
this.color = color;
LinearGammaCorrected_Red = GrayCalculatorExtensions.GetNonLinearGammaCorrectedValue(color.R);
LinearGammaCorrected_Green = GrayCalculatorExtensions.GetNonLinearGammaCorrectedValue(color.G);
LinearGammaCorrected_Blue = GrayCalculatorExtensions.GetNonLinearGammaCorrectedValue(color.B);
Y_Apostrophe = color.GetBT601Value();
U = LinearGammaCorrected_Blue - Y_Apostrophe;
V = LinearGammaCorrected_Red - Y_Apostrophe;
Pb = x * U;
Pr = y * V;
Y = (int)Math.Round(16 + 219 * Y_Apostrophe);
Cb = (int)Math.Round(128 + 224 * Pb);
Cr = (int)Math.Round(128 + 224 * Pr);
}
