public void WhiteRgbToLab()
{
var knownColor = new Rgb { R = 255, G = 255, B = 255, };
var expectedColor = new Lab { L = 100, A = 0.00526, B = -.0104, };
ExpectedValuesForKnownColor(knownColor,expectedColor);
}
public void DarkVioletCmykToLab()
{
var knownColor = new Cmyk { C = .29858, M = 1, Y = 0, K = .17255, };
var expectedColor = new Lab { L = 39.579, A = 76.336, B = -70.378, };
ExpectedValuesForKnownColor(knownColor,expectedColor);
}
public void Initialize()
{
TestData = new Dictionary<KeyValuePair<ILab, ILab>, double>();
var reader =
new System.IO.StreamReader(AppDomain.CurrentDomain.BaseDirectory +
@"/TestData/CieDe2000TestData.dat");
string line;
while ((line = reader.ReadLine()) != null)
{
if (string.IsNullOrEmpty(line)) continue;
if (line.StartsWith("//")) continue;
var parts = line.Split('\t');
var a = new Lab
{
L = Double.Parse(parts[0]),
A = Double.Parse(parts[1]),
B = Double.Parse(parts[2])
};
var b = new Lab
{
L = Double.Parse(parts[3]),
A = Double.Parse(parts[4]),
B = Double.Parse(parts[5])
};
var input = new KeyValuePair<ILab, ILab>(a, b);
var expected = Double.Parse(parts[6]);
TestData[input] = expected;
}
}
public bool Equals(Lab other)
{
if (ReferenceEquals(null, other))
{
return(false);
}
if (ReferenceEquals(this, other))
{
return(true);
}
return(other.L == L && other.A == A && other.B == B);
}
public void ReturnsKnownValueForDissimilarColors()
{
// Todo, should be mocking!!
var a = new Lab
{
L = 50,
A = 67,
B = 88
};
var b = new Lab
{
L = 50,
A = 15,
B = 22
};
ReturnsExpectedValueForKnownInput(84.0238, a, b);
}
public void ReturnsKnownValueForWhiteAndEggShell1()
{
// Todo, should be mocking!!
var a = new Lab
{
L = 100,
A = 0,
B = 0
};
var b = new Lab
{
L = 89.9490,
A = 13.8320,
B = 6.8160
};
ReturnsExpectedValueForKnownInput(25.103175, 1, a, b);
}
public void ReturnsKnownValueForRedAndMaroon2()
{
// Todo, should be mocking!!
var a = new Lab
{
L = 24.8290,
A = 60.0930,
B = 38.1800
};
var b = new Lab
{
L = 53.2300,
A = 80.1090,
B = 67.2200
};
ReturnsExpectedValueForKnownInput(24.143033, 2, a, b);
}
public void ReturnsKnownValueForSimilarColors()
{
// Todo, should be mocking!!
var a = new Lab
{
L = 88.17,
A = 67,
B = 88
};
var b = new Lab
{
L = 87.16,
A = 65,
B = 66
};
ReturnsExpectedValueForKnownInput(22.1138, a, b);
}
public DeltaEMap Calculate(Lab target, Lab[,] palette)
{
var height = palette.GetLength(0);
var width = palette.GetLength(1);
BeginTrack(nameof(Calculate), "Calculating DeltaE");
var results = new double[height, width];
Parallel.For(0, height, i =>
{
for (var j = 0; j < width; j++)
results[i, j] = palette[i, j].Compare(target, CieDe2000);
});
EndTrack(nameof(Calculate), "Calculated DeltaE map");
return new DeltaEMap(results);
}
public void ReturnsKnownValueForGraphicArtsPinks()
{
// Todo, should be mocking!!
var a = new Lab
{
L = 70.1,
A = 53,
B = -3.2
};
// Todo, should be mocking!!
var b = new Lab
{
L = 67.4,
A = 47.7,
B = -5.34
};
ReturnsExpectedValueForKnownInput(3.408967, Cie94Comparison.Application.GraphicArts, a, b);
}
public Form1()
{
InitializeComponent();
rangeValue = Convert.ToInt32(textBoxSensivity.Text);
previousBitmaps = new List<BackStepItem>();
pixelDatas = new List<PixelData>();
pixelInfo = new List<PixelInfo>();
labInfo = new List<LabInfo>();
labDatas = new List<Lab>();
var lLab = new Lab();
lLab.L = 100;
var aLab = new Lab();
aLab.A = 127;
var bLab = new Lab();
bLab.B = 127;
redWrap = new ZedGraphWrap(zedGraph, Color.Red, lLab);
greenWrap = new ZedGraphWrap(zedGraph1, Color.Green, aLab);
blueWrap = new ZedGraphWrap(zedGraph2, Color.Blue, bLab);
pictureBoxPick.BackColor = Color.Black;
}
private unsafe Lab[,] ToLab()
{
var lab = new Lab[Height, Width];
var x = 0;
var y = 0;
fixed (int* scan0 = &Data[0,0])
{
for (var i = 0; i < Data.Length; i++)
{
var ptr = (byte*)scan0 + i * sizeof(int);
lab[y, x] = (new Rgb {R = ptr[2], G = ptr[1], B = ptr[0]}).To<Lab>();
if (++x == Width)
{
x = 0;
y++;
}
}
}
return lab;
}
public void RedLabToCmyk()
{
var knownColor = new Lab { L = 53.233, A = 80.109, B = 67.220, };
var expectedColor = new Cmyk { C = 0.0039, M = .99970, Y = 1, K = 0, };
ExpectedValuesForKnownColor(knownColor,expectedColor);
}
public void MaroonLchToLab()
{
var knownColor = new Lch { L = 24.829, C = 60.093, H = 38.180, };
var expectedColor = new Lab { L = 25.531, A = 48.055, B = 38.059, };
ExpectedValuesForKnownColor(knownColor,expectedColor);
}
public void BlackRgbToLab()
{
var knownColor = new Rgb { R = 0, G = 0, B = 0, };
var expectedColor = new Lab { L = 0, A = 0, B = 0, };
ExpectedValuesForKnownColor(knownColor,expectedColor);
}
public void RedLabToXyz()
{
var knownColor = new Lab { L = 53.233, A = 80.109, B = 67.220, };
var expectedColor = new Xyz { X = 41.240, Y = 21.260, Z = 1.930, };
ExpectedValuesForKnownColor(knownColor,expectedColor);
}
public void RedLabToYxy()
{
var knownColor = new Lab { L = 53.233, A = 80.109, B = 67.220, };
var expectedColor = new Yxy { Y1 = 21.260, X = 0.64007, Y2 = .32997, };
ExpectedValuesForKnownColor(knownColor,expectedColor);
}
public void RedLabToLch()
{
var knownColor = new Lab { L = 53.233, A = 80.109, B = 67.220, };
var expectedColor = new Lch { L = 53.33, C = 104.575, H = 40, };
ExpectedValuesForKnownColor(knownColor,expectedColor);
}
public void RedLabToRgb()
{
var knownColor = new Lab { L = 53.233, A = 80.109, B = 67.220, };
var expectedColor = new Rgb { R = 255, G = 0, B = 0, };
ExpectedValuesForKnownColor(knownColor,expectedColor);
}
public void GoldenrodRgbToLab()
{
var knownColor = new Rgb { R = 218, G = 165, B = 32, };
var expectedColor = new Lab { L = 70.816, A = 8.525, B = 68.765, };
ExpectedValuesForKnownColor(knownColor,expectedColor);
}
public void RivergumXyzToLab()
{
var knownColor = new Xyz { X = 13.123, Y = 15.372, Z = 13.174, };
var expectedColor = new Lab { L = 46.140, A = -9.421, B = 8.218, };
ExpectedValuesForKnownColor(knownColor,expectedColor);
}
public void AliceBlueHslToLab()
{
var knownColor = new Hsl { H = 208, S = 100, L = 97, };
var expectedColor = new Lab { L = 97.179, A = -1.3688, B = -4.358, };
ExpectedValuesForKnownColor(knownColor,expectedColor);
}
public void SteelBlueCmyToLab()
{
var knownColor = new Cmy { C = .72549, M = .49020, Y = .29412, };
var expectedColor = new Lab { L = 52.467, A = -4.070, B = -32.198, };
ExpectedValuesForKnownColor(knownColor,expectedColor);
}
public ZedGraphWrap(ZedGraphControl graphControl, Color color, Lab lab)
{
GraphControl = graphControl;
Color = color;
Lab = lab;
}
public void MaroonLchToLab()
{
var knownColor = new Lch { L = 24.829, C = 60.093, H = 38.180, };
var expectedColor = new Lab { L = 24.829, A = 47.237, B = 37.146, };
ExpectedValuesForKnownColor(knownColor,expectedColor);
}
public void AquamarineHsvToLab()
{
var knownColor = new Hsv { H = 160, S = .5, V = 1, };
var expectedColor = new Lab { L = 92.036, A = -45.521, B = 9.49689, };
ExpectedValuesForKnownColor(knownColor,expectedColor);
}
public void SilverLuvToLab()
{
var knownColor = new Luv { L = 77.704, U = .001, V = -.013, };
var expectedColor = new Lab { L = 77.704, A = .0026, B = -.00696, };
ExpectedValuesForKnownColor(knownColor,expectedColor);
}
public void RedLabToHsl()
{
var knownColor = new Lab { L = 53.233, A = 80.109, B = 67.220, };
var expectedColor = new Hsl { H = 0, S = 100, L = 50, };
ExpectedValuesForKnownColor(knownColor,expectedColor);
}
