public void RgbToLabConvertTest()
{
RGBColor input = RGBColor.FromRGB8bit(100, 180, 20);
var output = ColorConverter.ToLab(input);
Assert.AreEqual(66.210907448350753d, output.L, "L value invalid");
Assert.AreEqual(-43.228098886804013d, output.a, "a value invalid");
Assert.AreEqual(62.622271435015122d, output.b, "b value invalid");
}
public void TheSameColorTest()
{
var color1 = RGBColor.FromRGB8bit(100, 150, 105);
var color2 = RGBColor.FromRGB8bit(100, 150, 105);
var result =
ColorDifferenceAnalyzer.ComputeColorDifference(ColorConverter.ToLab(color1),
ColorConverter.ToLab(color2));
Assert.AreEqual(0.0d, result);
}
public void MaxDifferenceInColor()
{
var color1 = RGBColor.FromRGB8bit(0, 0, 0);
var color2 = RGBColor.FromRGB8bit(255, 255, 255);
var result =
ColorDifferenceAnalyzer.ComputeColorDifference(ColorConverter.ToLab(color1),
ColorConverter.ToLab(color2));
Assert.AreEqual(100.0d, result);
}
public void OneHundredPointsDifferenceInColor()
{
var color1 = RGBColor.FromRGB8bit(100, 150, 105);
var color2 = RGBColor.FromRGB8bit(100, 250, 105);
var result =
ColorDifferenceAnalyzer.ComputeColorDifference(ColorConverter.ToLab(color1),
ColorConverter.ToLab(color2));
Assert.AreEqual(27.275115148843373d, result);
}
public void OnePointDifferenceInColor()
{
var color1 = RGBColor.FromRGB8bit(100, 150, 105);
var color2 = RGBColor.FromRGB8bit(101, 150, 105);
var result =
ColorDifferenceAnalyzer.ComputeColorDifference(ColorConverter.ToLab(color1),
ColorConverter.ToLab(color2));
Assert.AreEqual(0.20453188911597528d, result);
}
public void AddColor(int x, int y, byte r, byte g, byte b)
{
_data[x, y] = ColorConverter.ToLab(RGBColor.FromRGB8bit(r, g, b));
}