public static ColorProfileFactory GetFactory()
{
if (Factory == null)
{
Factory = new ColorProfileFactory();
}
return(Factory);
}
public static DoubleColor ConvertColorToXYZ(DoubleColor color, ColorProfileEnum from)
{
ColorProfile cp = null;
switch (from)
{
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);
var v = cp.RGBtoXYZ.MultiplyByVectorRight(color.R, color.G, color.B);
DoubleColor XYZ = new DoubleColor(v.X, v.Y, v.Z);
//XYZ.ToXYZ();
return(XYZ);
//return new DoubleColor(-1, -1, -1);
}
public static DoubleColor ConvertColorFromXYZToLAB(DoubleColor color, ColorProfileEnum from)
{
var cp = ColorProfileFactory.GetFactory().GetColorProfile(from);
double YR = 100d;
double XR = cp.White_X * YR / cp.White_Y;
double ZR = cp.White_Z * YR / cp.White_Y;
double xr = color.R / XR;
double yr = color.G / YR;
double zr = color.B / ZR;
double k_modifier = 903.3;
double eps_modifier = 0.008856;
double fx;
double fy;
double fz;
if (xr > eps_modifier)
{
fx = Math.Pow(xr, 1d / 3d);
}
else
{
fx = (k_modifier * xr + 16d) / 116d;
}
if (yr > eps_modifier)
{
fy = Math.Pow(yr, 1d / 3d);
}
else
{
fy = (k_modifier * yr + 16d) / 116d;
}
if (zr > eps_modifier)
{
fz = Math.Pow(zr, 1d / 3d);
}
else
{
fz = (k_modifier * zr + 16d) / 116d;
}
double L = 116 * fy - 16;
double a = 500 * (fx - fy);
double b = 200 * (fy - fz);
return(new DoubleColor(L, a, b));
}
private void DestColorSpaceComboBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (IsWindowInitialized == true)
{
var cb = sender as ComboBox;
int selected = cb.SelectedIndex;
int from = SourceColorSpaceComboBox.SelectedIndex;
DestImageColorProfile = new ColorProfileNotifyChange(ColorProfileFactory.GetFactory().GetColorProfile((ColorProfileEnum)selected));
ColorProfileConverter.ConvertImage(SourceImageColorArray, DestImageColorArray, (ColorProfileEnum)from, (ColorProfileEnum)selected);
Paint.CopyToWriteableBitmap(DestImageWB, DestImageColorArray);
}
}
public static DoubleColor ConvertColorFromLABToXYZ(DoubleColor color, ColorProfileEnum from)
{
var cp = ColorProfileFactory.GetFactory().GetColorProfile(from);
double YR = 100d;
double XR = cp.White_X * YR / cp.White_Y;
double ZR = cp.White_Z * YR / cp.White_Y;
double xr;
double yr;
double zr;
double k_modifier = 903.3;
double eps_modifier = 0.008856;
double fy = (color.R + 16d) / 116d;
double fx = color.G / 500d + fy;
double fz = fy - color.B / 200d;
xr = Math.Pow(fx, 3);
if (xr <= eps_modifier)
{
xr = (116d * fx - 16d) / k_modifier;
}
if (color.R > k_modifier * eps_modifier)
{
yr = Math.Pow((color.R + 16d) / 116d, 3);
}
else
{
yr = color.R / k_modifier;
}
zr = Math.Pow(fz, 3);
if (zr <= eps_modifier)
{
zr = (116d * fz - 16d) / k_modifier;
}
double X = xr * XR;
double Y = yr * YR;
double Z = zr * ZR;
return(new DoubleColor(X, Y, Z));
}
private void SetVariables()
{
ColorSpaceList = new List <string>
{
"sRGB",
"Adobe RGB",
"Apple RGB",
"CIE RGB",
"Wide Gamut",
"PAL/SECAM"
};
SourceImageCP = new ColorProfileNotifyChange(ColorProfileFactory.GetFactory().sRBGcolorProfile);
DestImageCP = new ColorProfileNotifyChange(ColorProfileFactory.GetFactory().WideGamutcolorProfile);
GrayscaleButtonClicked = false;
KMeansParam = Globals.k_means;
MaxIter = Globals.max_iter;
worker.DoWork += worker_DoWork;
worker.RunWorkerCompleted += worker_RunWorkerCompleted;
}
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);
}
