private static void TestCieRGBToXYZ(float r, float g, float b, float expectedX, float expectedY, float expectedZ)
{
float x, y, z;
CieXYZUtils.CieRGBToXYZ(r, g, b, out x, out y, out z);
Assert.That(x, Is.EqualTo(expectedX).Within(Epsilon));
Assert.That(y, Is.EqualTo(expectedY).Within(Epsilon));
Assert.That(z, Is.EqualTo(expectedZ).Within(Epsilon));
}
public void XYZToCieRGB_is_inverse_of_CieRGBToXYZ()
{
for (float r = -1; r <= 1; r += Step)
{
for (float g = 0; g <= 1; g += Step)
{
for (float b = 0; b <= 1; b += Step)
{
float x, y, z;
CieXYZUtils.CieRGBToXYZ(r, g, b, out x, out y, out z);
TestXYZToCieRGB(x, y, z, r, g, b);
}
}
}
}