public void SetColorMatrix()
{
double X_W;
double Y_W;
double Z_W;
if (White_Y < 1e-5)
{
X_W = 0;
Y_W = 0;
Z_W = 0;
}
else
{
X_W = White_X / White_Y;
Y_W = 1d;
Z_W = White_Z / White_Y;
}
MyMatrix matrix = new MyMatrix(this);
MyMatrix inv = matrix.Invert();
if (inv == null)
{
throw new Exception();
}
(double S_R, double S_G, double S_B) = inv.MultiplyByVectorRight(X_W, Y_W, Z_W);
matrix.MultiplyBySRSGSB(S_R, S_G, S_B);
RGBtoXYZ = matrix;
XYZtoRGB = matrix.Invert();
}
public static DoubleColor ConvertColorFromXYZ(DoubleColor color, ColorProfile dest, MyMatrix bradfordMatrix = null)
{
if (bradfordMatrix != null)
{
(color.R, color.G, color.B) = bradfordMatrix.MultiplyByVectorRight(color.R, color.G, color.B);
}
var v = dest.XYZtoRGB.MultiplyByVectorRight(color.R, color.G, color.B);
DoubleColor XYZ = new DoubleColor(v.X, v.Y, v.Z);
XYZ.GammaCorrection(dest.Gamma);
return(XYZ);
}
public static DoubleColor ConvertColorFromXYZ(DoubleColor color, ColorProfileEnum from, ColorProfileEnum to)
{
ColorProfile cp = null;
switch (to)
{
case ColorProfileEnum.sRGB:
{
cp = ColorProfileFactory.GetFactory().sRBGcolorProfile;
}
break;
case ColorProfileEnum.adobeRGB:
{
cp = ColorProfileFactory.GetFactory().adobeRBGcolorProfile;
}
break;
case ColorProfileEnum.appleRGB:
{
cp = ColorProfileFactory.GetFactory().appleRBGcolorProfile;
}
break;
case ColorProfileEnum.CIE_RGB:
{
cp = ColorProfileFactory.GetFactory().CIE_RBGcolorProfile;
}
break;
case ColorProfileEnum.WideGamut:
{
cp = ColorProfileFactory.GetFactory().WideGamutcolorProfile;
}
break;
case ColorProfileEnum.PAL:
{
cp = ColorProfileFactory.GetFactory().PALcolorProfile;
}
break;
default:
break;
}
//color.InverseGammaCorrection(cp.Gamma);
MyMatrix bradford = MyMatrix.GenerateBradfordMatrix(from, to);
if (bradford != null)
{
(color.R, color.G, color.B) = bradford.MultiplyByVectorRight(color.R, color.G, color.B);
}
var v = cp.XYZtoRGB.MultiplyByVectorRight(color.R, color.G, color.B);
DoubleColor XYZ = new DoubleColor(v.X, v.Y, v.Z);
XYZ.GammaCorrection(cp.Gamma);
return(XYZ);
//return new DoubleColor(-1, -1, -1);
}
