public void DesaturateTest()
{
// Arrange
CIELab lab = new CIELab {
L = 97.4, a = 62.3, b = 81.2
};
double aMax = 55, aMin = -55, bMax = 75, bMin = -75;
// Act
bool desaturated = Colorimetric.Desaturate(ref lab, aMax, aMin, bMax, bMin);
// Assert
Assert.IsTrue(desaturated);
}
public void CIExyY_operatorCIEXYZTest()
{
// Arrange
CIExyY xyY = Colorimetric.D50_xyY;
CIEXYZ expected = Colorimetric.xyY2XYZ(xyY);
// Act
CIEXYZ actual = xyY;
// Assert
Assert.AreEqual(expected.X, actual.X, double.Epsilon);
Assert.AreEqual(expected.Y, actual.Y, double.Epsilon);
Assert.AreEqual(expected.Z, actual.Z, double.Epsilon);
}
public void LCh2LabTest()
{
// Arrange
CIELCh lch = new CIELCh {
L = 100.0, C = 0.0, h = 0.0
};
// Act
CIELab lab = Colorimetric.LCh2Lab(lch);
// Assert
Assert.AreEqual(100.0, lab.L);
Assert.AreEqual(0.0, lab.a);
Assert.AreEqual(0.0, lab.b);
}
public void Lab2LChTest()
{
// Arrange
CIELab lab = new CIELab {
L = 100.0, a = 0.0, b = 0.0
};
// Act
CIELCh lch = Colorimetric.Lab2LCh(lab);
// Assert
Assert.AreEqual(100.0, lch.L);
Assert.AreEqual(0.0, lch.C);
Assert.AreEqual(0.0, lch.h);
}
public void CIEXYZ_operatorCIExyYTest()
{
// Arrange
CIEXYZ xyz = new CIEXYZ {
X = 0.9642, Y = 1.0, Z = 0.8249
};
CIExyY expected = Colorimetric.XYZ2xyY(xyz);
// Act
CIExyY actual = xyz;
// Assert
Assert.AreEqual(expected.x, actual.x, double.Epsilon);
Assert.AreEqual(expected.y, actual.y, double.Epsilon);
Assert.AreEqual(expected.Y, actual.Y, double.Epsilon);
}
public void XYZEncodingTest()
{
ushort[] inXyz = new ushort[3];
for (ushort u = 0; u < ushort.MaxValue; u++)
{
inXyz[0] = inXyz[1] = inXyz[2] = u;
CIEXYZ fxyz = Colorimetric.XYZEncoded2Float(inXyz);
ushort[] outXyz = Colorimetric.Float2XYZEncoded(fxyz);
for (int i = 0; i < 3; i++)
{
Assert.AreEqual(u, outXyz[i]);
}
}
}
public void LabV2EncodingTest()
{
ushort[] inWLab = new ushort[3];
for (ushort u = 0; u < ushort.MaxValue; u++)
{
inWLab[0] = inWLab[1] = inWLab[2] = u;
CIELab lab = Colorimetric.LabEncoded2FloatV2(inWLab);
ushort[] outWLab = Colorimetric.Float2LabEncodedV2(lab);
for (int i = 0; i < 3; i++)
{
Assert.AreEqual(u, outWLab[i]);
}
}
}
public void Lab2XYZTest()
{
// Arrange
CIEXYZ whitePoint = new CIEXYZ {
X = 0.9642, Y = 1.0, Z = 0.8249
}; // D50 XYZ normalized to Y = 1.0
CIELab lab = new CIELab {
L = 100.0, a = 0.0, b = 0.0
};
// Act
CIEXYZ xyz = Colorimetric.Lab2XYZ(whitePoint, lab);
// Assert
Assert.AreEqual(0.9642, xyz.X);
Assert.AreEqual(1.0, xyz.Y);
Assert.AreEqual(0.8249, xyz.Z);
}
public void XYZ2LabTest()
{
// Arrange
CIEXYZ whitePoint = new CIEXYZ {
X = 0.9642, Y = 1.0, Z = 0.8249
}; // D50 XYZ normalized to Y = 1.0
CIEXYZ xyz = new CIEXYZ {
X = 0.9642, Y = 1.0, Z = 0.8249
};
// Act
CIELab lab = Colorimetric.XYZ2Lab(whitePoint, xyz);
// Assert
Assert.AreEqual(100.0, lab.L);
Assert.AreEqual(0.0, lab.a);
Assert.AreEqual(0.0, lab.b);
}
