/// <inheritdoc/>
public override Color ToColor()
{
var hRadians = this.h * Math.PI / 180.0;
var lab = new CieLab {
L = this.L, a = Math.Cos(hRadians) * this.C, b = Math.Sin(hRadians) * this.C
};
return(lab.ToColor());
}
/// <inheritdoc/>
public override void FromColor(Color color)
{
var cieXyz = new CieXyz();
cieXyz.FromColor(color);
var y = CieLab.PivotXyz(cieXyz.Y / CieXyz.WhiteReference.Y);
this.L = Math.Max(0, 116 * y - 16);
this.a = 500 * (CieLab.PivotXyz(cieXyz.X / CieXyz.WhiteReference.X) - y);
this.b = 200 * (y - CieLab.PivotXyz(cieXyz.Z / CieXyz.WhiteReference.Z));
}
public void CyanTest()
{
IColorSpace colorSpace;
colorSpace = new CieLab {
L = 91.11652110946342, a = -48.079618466228716, b = -14.138127754846131
};
Color.Cyan.To <CieLab>().Should().Be(colorSpace);
colorSpace = new CieLch {
L = 91.11652110946342, C = 50.11523090109904, h = 196.38631951007193
};
Color.Cyan.To <CieLch>().Should().Be(colorSpace);
colorSpace = new CieLuv {
L = 91.11652110946342, u = -70.4724364962956, v = -15.216979595532692
};
Color.Cyan.To <CieLuv>().Should().Be(colorSpace);
colorSpace = new CieXyy {
x = 0.2246576486305945, y = 0.3287408149632598, Y1 = 78.74
};
Color.Cyan.To <CieXyy>().Should().Be(colorSpace);
colorSpace = new CieXyz {
X = 53.81, Y = 78.74, Z = 106.97
};
Color.Cyan.To <CieXyz>().Should().Be(colorSpace);
colorSpace = new Cmy {
C = 1, M = 0, Y = 0
};
Color.Cyan.To <Cmy>().Should().Be(colorSpace);
colorSpace = new Cmyk {
C = 1, M = 0, Y = 0, K = 0
};
Color.Cyan.To <Cmyk>().Should().Be(colorSpace);
colorSpace = new Hsl {
H = 180, S = 1, L = 0.5
};
Color.Cyan.To <Hsl>().Should().Be(colorSpace);
colorSpace = new Hsv {
H = 180, S = 1, V = 1
};
Color.Cyan.To <Hsv>().Should().Be(colorSpace);
colorSpace = new HunterLab {
L = 88.73556220591607, a = -47.04331494866765, b = -9.358720217187438
};
Color.Cyan.To <HunterLab>().Should().Be(colorSpace);
colorSpace = new Rgb {
R = 0, G = 255, B = 255
};
Color.Cyan.To <Rgb>().Should().Be(colorSpace);
}
public void YellowTest()
{
IColorSpace colorSpace;
colorSpace = new CieLab {
L = 97.13824698129729, a = -21.555908334832285, b = 94.48248544644461
};
Color.Yellow.To <CieLab>().Should().Be(colorSpace);
colorSpace = new CieLch {
L = 97.13824698129729, C = 96.91025353530611, h = 102.85189620924648
};
Color.Yellow.To <CieLch>().Should().Be(colorSpace);
colorSpace = new CieLuv {
L = 97.13824698129729, u = 7.702962282477956, v = 106.78912110756598
};
Color.Yellow.To <CieLuv>().Should().Be(colorSpace);
colorSpace = new CieXyy {
x = 0.41932146163480916, y = 0.5052551326036051, Y1 = 92.78
};
Color.Yellow.To <CieXyy>().Should().Be(colorSpace);
colorSpace = new CieXyz {
X = 77, Y = 92.78, Z = 13.85
};
Color.Yellow.To <CieXyz>().Should().Be(colorSpace);
colorSpace = new Cmy {
C = 0, M = 0, Y = 1
};
Color.Yellow.To <Cmy>().Should().Be(colorSpace);
colorSpace = new Cmyk {
C = 0, M = 0, Y = 1, K = 0
};
Color.Yellow.To <Cmyk>().Should().Be(colorSpace);
colorSpace = new Hsl {
H = 60, S = 1, L = 0.5
};
Color.Yellow.To <Hsl>().Should().Be(colorSpace);
colorSpace = new Hsv {
H = 60, S = 1, V = 1
};
Color.Yellow.To <Hsv>().Should().Be(colorSpace);
colorSpace = new HunterLab {
L = 96.32237538599222, a = -25.871454996970524, b = 58.90047330399479
};
Color.Yellow.To <HunterLab>().Should().Be(colorSpace);
colorSpace = new Rgb {
R = 255, G = 255, B = 0
};
Color.Yellow.To <Rgb>().Should().Be(colorSpace);
}
public void VioletTest()
{
IColorSpace colorSpace;
colorSpace = new CieLab {
L = 69.69362286537107, a = 56.36844996271595, b = -36.823650913525505
};
Color.Violet.To <CieLab>().Should().Be(colorSpace);
colorSpace = new CieLch {
L = 69.69362286537107, C = 67.33040485397663, h = 326.8447379184296
};
Color.Violet.To <CieLch>().Should().Be(colorSpace);
colorSpace = new CieLuv {
L = 69.69362286537107, u = 51.851693067658644, v = -67.05114389292648
};
Color.Violet.To <CieLuv>().Should().Be(colorSpace);
colorSpace = new CieXyy {
x = 0.31790415819545653, y = 0.2184306570349918, Y1 = 40.31545298667633
};
Color.Violet.To <CieXyy>().Should().Be(colorSpace);
colorSpace = new CieXyz {
X = 58.6751434893349, Y = 40.31545298667633, Z = 85.57806038710456
};
Color.Violet.To <CieXyz>().Should().Be(colorSpace);
colorSpace = new Cmy {
C = 0.06666666666666665, M = 0.4901960784313726, Y = 0.06666666666666665
};
Color.Violet.To <Cmy>().Should().Be(colorSpace);
colorSpace = new Cmyk {
C = 0, M = 0.45378151260504207, Y = 0, K = 0.06666666666666665
};
Color.Violet.To <Cmyk>().Should().Be(colorSpace);
colorSpace = new Hsl {
H = 300, S = 0.7605633802816901, L = 0.7215686274509804
};
Color.Violet.To <Hsl>().Should().Be(colorSpace);
colorSpace = new Hsv {
H = 300, S = 0.45378151260504207, V = 0.9333333333333333
};
Color.Violet.To <Hsv>().Should().Be(colorSpace);
colorSpace = new HunterLab {
L = 63.49445092815302, a = 53.83633987237564, b = -35.46516992220551
};
Color.Violet.To <HunterLab>().Should().Be(colorSpace);
colorSpace = new Rgb {
R = 238, G = 130, B = 238
};
Color.Violet.To <Rgb>().Should().Be(colorSpace);
}
public void RedTest()
{
IColorSpace colorSpace;
colorSpace = new CieLab {
L = 53.23288178584245, a = 80.10930952982204, b = 67.22006831026425
};
Color.Red.To <CieLab>().Should().Be(colorSpace);
colorSpace = new CieLch {
L = 53.23288178584245, C = 104.57551843993618, h = 40.00015790646365
};
Color.Red.To <CieLch>().Should().Be(colorSpace);
colorSpace = new CieLuv {
L = 53.23288178584245, u = 175.05303573649485, v = 37.750505032665004
};
Color.Red.To <CieLuv>().Should().Be(colorSpace);
colorSpace = new CieXyy {
x = 0.6400744994567747, y = 0.3299705106316933, Y1 = 21.26
};
Color.Red.To <CieXyy>().Should().Be(colorSpace);
colorSpace = new CieXyz {
X = 41.24, Y = 21.26, Z = 1.9300000000000002
};
Color.Red.To <CieXyz>().Should().Be(colorSpace);
colorSpace = new Cmy {
C = 0, M = 1, Y = 1
};
Color.Red.To <Cmy>().Should().Be(colorSpace);
colorSpace = new Cmyk {
C = 0, M = 1, Y = 1, K = 0
};
Color.Red.To <Cmyk>().Should().Be(colorSpace);
colorSpace = new Hsl {
H = 0, S = 1, L = 0.5
};
Color.Red.To <Hsl>().Should().Be(colorSpace);
colorSpace = new Hsv {
H = 0, S = 1, V = 1
};
Color.Red.To <Hsv>().Should().Be(colorSpace);
colorSpace = new HunterLab {
L = 46.10856753359401, a = 78.96233161759665, b = 29.794252423892623
};
Color.Red.To <HunterLab>().Should().Be(colorSpace);
colorSpace = new Rgb {
R = 255, G = 0, B = 0
};
Color.Red.To <Rgb>().Should().Be(colorSpace);
}
public void OrangeTest()
{
IColorSpace colorSpace;
colorSpace = new CieLab {
L = 74.93219484533535, a = 23.936049070113096, b = 78.95630717524574
};
Color.Orange.To <CieLab>().Should().Be(colorSpace);
colorSpace = new CieLch {
L = 74.93219484533535, C = 82.50474463834564, h = 73.1350246656041
};
Color.Orange.To <CieLch>().Should().Be(colorSpace);
colorSpace = new CieLuv {
L = 74.93219484533535, u = 74.85081165927029, v = 73.99834319292597
};
Color.Orange.To <CieLuv>().Should().Be(colorSpace);
colorSpace = new CieXyy {
x = 0.5005024777110524, y = 0.4407949382859346, Y1 = 48.17026703630964
};
Color.Orange.To <CieXyy>().Should().Be(colorSpace);
colorSpace = new CieXyz {
X = 54.69513351815482, Y = 48.17026703630964, Z = 6.415044506051606
};
Color.Orange.To <CieXyz>().Should().Be(colorSpace);
colorSpace = new Cmy {
C = 0, M = 0.3529411764705882, Y = 1
};
Color.Orange.To <Cmy>().Should().Be(colorSpace);
colorSpace = new Cmyk {
C = 0, M = 0.3529411764705882, Y = 1, K = 0
};
Color.Orange.To <Cmyk>().Should().Be(colorSpace);
colorSpace = new Hsl {
H = 38.8235294117647, S = 1, L = 0.5
};
Color.Orange.To <Hsl>().Should().Be(colorSpace);
colorSpace = new Hsv {
H = 38.82353210449219, S = 1, V = 1
};
Color.Orange.To <Hsv>().Should().Be(colorSpace);
colorSpace = new HunterLab {
L = 69.40480317406687, a = 19.2102641411226, b = 43.103222932208766
};
Color.Orange.To <HunterLab>().Should().Be(colorSpace);
colorSpace = new Rgb {
R = 255, G = 165, B = 0
};
Color.Orange.To <Rgb>().Should().Be(colorSpace);
}
public void MagentaTest()
{
IColorSpace colorSpace;
colorSpace = new CieLab {
L = 60.319933664076004, a = 98.25421868616114, b = -60.84298422386232
};
Color.Magenta.To <CieLab>().Should().Be(colorSpace);
colorSpace = new CieLch {
L = 60.319933664076004, C = 115.5671242996603, h = 328.232534153722
};
Color.Magenta.To <CieLch>().Should().Be(colorSpace);
colorSpace = new CieLuv {
L = 60.319933664076004, u = 84.0748601055241, v = -108.71158324878692
};
Color.Magenta.To <CieLuv>().Should().Be(colorSpace);
colorSpace = new CieXyy {
x = 0.32092016238159676, y = 0.15415426251691475, Y1 = 28.48
};
Color.Magenta.To <CieXyy>().Should().Be(colorSpace);
colorSpace = new CieXyz {
X = 59.290000000000006, Y = 28.48, Z = 96.98
};
Color.Magenta.To <CieXyz>().Should().Be(colorSpace);
colorSpace = new Cmy {
C = 0, M = 1, Y = 0
};
Color.Magenta.To <Cmy>().Should().Be(colorSpace);
colorSpace = new Cmyk {
C = 0, M = 1, Y = 0, K = 0
};
Color.Magenta.To <Cmyk>().Should().Be(colorSpace);
colorSpace = new Hsl {
H = 300, S = 1, L = 0.5
};
Color.Magenta.To <Hsl>().Should().Be(colorSpace);
colorSpace = new Hsv {
H = 300, S = 1, V = 1
};
Color.Magenta.To <Hsv>().Should().Be(colorSpace);
colorSpace = new HunterLab {
L = 53.36665625650533, a = 104.92066381463533, b = -70.3874753168952
};
Color.Magenta.To <HunterLab>().Should().Be(colorSpace);
colorSpace = new Rgb {
R = 255, G = 0, B = 255
};
Color.Magenta.To <Rgb>().Should().Be(colorSpace);
}
public void GreenTest()
{
IColorSpace colorSpace;
colorSpace = new CieLab {
L = 46.22881784262658, a = -51.69964732808236, b = 49.89795230983843
};
Color.Green.To <CieLab>().Should().Be(colorSpace);
colorSpace = new CieLch {
L = 46.22881784262658, C = 71.85164701357238, h = 136.01595610184012
};
Color.Green.To <CieLch>().Should().Be(colorSpace);
colorSpace = new CieLuv {
L = 46.22881784262658, u = -43.77488691364997, v = 56.58999318863665
};
Color.Green.To <CieLuv>().Should().Be(colorSpace);
colorSpace = new CieXyy {
x = 0.3, y = 0.6, Y1 = 15.438342968146074
};
Color.Green.To <CieXyy>().Should().Be(colorSpace);
colorSpace = new CieXyz {
X = 7.719171484073037, Y = 15.438342968146074, Z = 2.573057161357679
};
Color.Green.To <CieXyz>().Should().Be(colorSpace);
colorSpace = new Cmy {
C = 1, M = 0.4980392156862745, Y = 1
};
Color.Green.To <Cmy>().Should().Be(colorSpace);
colorSpace = new Cmyk {
C = 1, M = 0, Y = 1, K = 0.4980392156862745
};
Color.Green.To <Cmyk>().Should().Be(colorSpace);
colorSpace = new Hsl {
H = 120, S = 1, L = 0.25098039215686274
};
Color.Green.To <Hsl>().Should().Be(colorSpace);
colorSpace = new Hsv {
H = 120, S = 1, V = 0.5019607843137255
};
Color.Green.To <Hsv>().Should().Be(colorSpace);
colorSpace = new HunterLab {
L = 39.29165683468448, a = -33.69259573574193, b = 23.621489228065062
};
Color.Green.To <HunterLab>().Should().Be(colorSpace);
colorSpace = new Rgb {
R = 0, G = 128, B = 0
};
Color.Green.To <Rgb>().Should().Be(colorSpace);
}
public void BlueTest()
{
IColorSpace colorSpace;
colorSpace = new CieLab {
L = 32.302586667249486, a = 79.19666178930935, b = -107.86368104495168
};
Color.Blue.To <CieLab>().Should().Be(colorSpace);
colorSpace = new CieLch {
L = 32.302586667249486, C = 133.81586201619493, h = 306.2872015643272
};
Color.Blue.To <CieLch>().Should().Be(colorSpace);
colorSpace = new CieLuv {
L = 32.302586667249486, u = -9.39986768735168, v = -130.35840748816472
};
Color.Blue.To <CieLuv>().Should().Be(colorSpace);
colorSpace = new CieXyy {
x = 0.15001662234042554, y = 0.060006648936170214, Y1 = 7.22
};
Color.Blue.To <CieXyy>().Should().Be(colorSpace);
colorSpace = new CieXyz {
X = 18.05, Y = 7.22, Z = 95.05
};
Color.Blue.To <CieXyz>().Should().Be(colorSpace);
colorSpace = new Cmy {
C = 1, M = 1, Y = 0
};
Color.Blue.To <Cmy>().Should().Be(colorSpace);
colorSpace = new Cmyk {
C = 1, M = 1, Y = 0, K = 0
};
Color.Blue.To <Cmyk>().Should().Be(colorSpace);
colorSpace = new Hsl {
H = 240, S = 1, L = 0.5
};
Color.Blue.To <Hsl>().Should().Be(colorSpace);
colorSpace = new Hsv {
H = 240, S = 1, V = 1
};
Color.Blue.To <Hsv>().Should().Be(colorSpace);
colorSpace = new HunterLab {
L = 26.870057685088806, a = 72.8850314708034, b = -190.92309216912813
};
Color.Blue.To <HunterLab>().Should().Be(colorSpace);
colorSpace = new Rgb {
R = 0, G = 0, B = 255
};
Color.Blue.To <Rgb>().Should().Be(colorSpace);
}