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Add test for HWB and NCol converter

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This commit is contained in:
Sekan, Tobias 2020-10-26 15:01:06 +01:00
parent b087deadcb
commit 767ce22019
2 changed files with 102 additions and 25 deletions
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27
src/modules/colorPicker/ColorPickerUI/Helpers/ColorHelper.cs
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@ -146,37 +146,32 @@ namespace ColorPicker.Helpers
/// <returns>A natural color</returns>
private static string GetNaturalColorFromHue(double hue)
{
while (hue >= 360)
if (hue < 60d)
{
hue -= 360;
return $"R{Math.Round(hue / 0.6d, 0)}";
}
if (hue < 60)
if (hue < 120d)
{
return "R" + (hue / 0.6);
return $"Y{Math.Round((hue - 60d) / 0.6d, 0)}";
}
if (hue < 120)
if (hue < 180d)
{
return "Y" + ((hue - 60) / 0.6);
return $"G{Math.Round((hue - 120d) / 0.6d, 0)}";
}
if (hue < 180)
if (hue < 240d)
{
return "G" + ((hue - 120) / 0.6);
return $"C{Math.Round((hue - 180d) / 0.6d, 0)}";
}
if (hue < 240)
if (hue < 300d)
{
return "C" + ((hue - 180) / 0.6);
return $"B{Math.Round((hue - 240d) / 0.6d, 0)}";
}
if (hue < 300)
{
return "B" + ((hue - 240) / 0.6);
}
return "M" + ((hue - 300) / 0.6);
return $"M{Math.Round((hue - 300d) / 0.6d, 0)}";
}
}
}

100
src/modules/colorPicker/UnitTest-ColorPickerUI/Helpers/ColorHelperTest.cs
View File

@ -159,15 +159,15 @@ namespace UnitTest_ColorPickerUI.Helpers
// values taken from https://en.wikipedia.org/wiki/HSL_and_HSV#Examples
[TestMethod]
[DataRow("FFFFFF", 000.0, 000.0, 100.0)]
[DataRow("808080", 000.0, 000.0, 050.0)]
[DataRow("000000", 000.0, 000.0, 000.0)]
[DataRow("FF0000", 000.0, 100.0, 033.3)]
[DataRow("BFBF00", 060.0, 100.0, 050.0)]
[DataRow("008000", 120.0, 100.0, 016.7)]
[DataRow("80FFFF", 180.0, 040.0, 083.3)]
[DataRow("8080FF", 240.0, 025.0, 066.7)]
[DataRow("BF40BF", 300.0, 057.1, 058.3)]
[DataRow("FFFFFF", 000.0, 000.0, 100.0)] // white
[DataRow("808080", 000.0, 000.0, 050.0)] // gray
[DataRow("000000", 000.0, 000.0, 000.0)] // black
[DataRow("FF0000", 000.0, 100.0, 033.3)] // red
[DataRow("BFBF00", 060.0, 100.0, 050.0)] // yellow
[DataRow("008000", 120.0, 100.0, 016.7)] // green
[DataRow("80FFFF", 180.0, 040.0, 083.3)] // cyan
[DataRow("8080FF", 240.0, 025.0, 066.7)] // blue
[DataRow("BF40BF", 300.0, 057.1, 058.3)] // magenta
[DataRow("A0A424", 061.8, 069.9, 047.1)]
[DataRow("411BEA", 251.1, 075.6, 042.6)]
[DataRow("1EAC41", 134.9, 066.7, 034.9)]
@ -197,6 +197,88 @@ namespace UnitTest_ColorPickerUI.Helpers
Assert.AreEqual(result.intensity * 100d, intensity, 0.5d);
}
// values taken from https://en.wikipedia.org/wiki/HSL_and_HSV#Examples
// and manual convert via https://colorconv.com/hwb
[TestMethod]
[DataRow("FFFFFF", 000, 100, 000)] // white
[DataRow("808080", 000, 050, 050)] // gray
[DataRow("000000", 000, 000, 100)] // black
[DataRow("FF0000", 000, 000, 000)] // red
[DataRow("BFBF00", 060, 000, 025)] // yellow
[DataRow("008000", 120, 000, 050)] // green
[DataRow("80FFFF", 180, 050, 000)] // cyan
[DataRow("8080FF", 240, 050, 000)] // blue
[DataRow("BF40BF", 300, 025, 025)] // magenta
[DataRow("A0A424", 062, 014, 036)]
[DataRow("411BEA", 251, 011, 008)]
[DataRow("1EAC41", 135, 012, 033)]
[DataRow("F0C80E", 049, 005, 006)]
[DataRow("B430E5", 284, 019, 010)]
[DataRow("ED7651", 014, 032, 007)]
[DataRow("FEF888", 057, 053, 000)]
[DataRow("19CB97", 162, 010, 020)]
[DataRow("362698", 248, 015, 040)]
[DataRow("7E7EB8", 240, 049, 028)]
public void ColorRGBtoHWBTest(string hexValue, double hue, double whiteness, double blackness)
{
var red = int.Parse(hexValue.Substring(0, 2), NumberStyles.HexNumber);
var green = int.Parse(hexValue.Substring(2, 2), NumberStyles.HexNumber);
var blue = int.Parse(hexValue.Substring(4, 2), NumberStyles.HexNumber);
var color = Color.FromArgb(255, red, green, blue);
var result = ColorHelper.ConvertToHWBColor(color);
// hue[0°..360°]
Assert.AreEqual(result.hue, hue, 0.5d);
// whiteness[0..1]
Assert.AreEqual(result.whiteness * 100d, whiteness, 0.5d);
// blackness[0..1]
Assert.AreEqual(result.blackness * 100d, blackness, 0.5d);
}
// values taken from https://en.wikipedia.org/wiki/HSL_and_HSV#Examples
// and manual convert via https://colorconv.com/hwb
[TestMethod]
[DataRow("FFFFFF", "R0", 100, 000)] // white
[DataRow("808080", "R0", 050, 050)] // gray
[DataRow("000000", "R0", 000, 100)] // black
[DataRow("FF0000", "R0", 000, 000)] // red
[DataRow("BFBF00", "Y0", 000, 025)] // yellow
[DataRow("008000", "G0", 000, 050)] // green
[DataRow("80FFFF", "C0", 050, 000)] // cyan
[DataRow("8080FF", "B0", 050, 000)] // blue
[DataRow("BF40BF", "M0", 025, 025)] // magenta
[DataRow("A0A424", "Y3", 014, 036)]
[DataRow("411BEA", "B18", 011, 008)]
[DataRow("1EAC41", "G25", 012, 033)]
[DataRow("F0C80E", "R82", 005, 006)]
[DataRow("B430E5", "B73", 019, 010)]
[DataRow("ED7651", "R24", 032, 007)]
[DataRow("FEF888", "R95", 053, 000)]
[DataRow("19CB97", "G71", 010, 020)]
[DataRow("362698", "B14", 015, 040)]
[DataRow("7E7EB8", "B0", 049, 028)]
public void ColorRGBtoNColTest(string hexValue, string hue, double whiteness, double blackness)
{
var red = int.Parse(hexValue.Substring(0, 2), NumberStyles.HexNumber);
var green = int.Parse(hexValue.Substring(2, 2), NumberStyles.HexNumber);
var blue = int.Parse(hexValue.Substring(4, 2), NumberStyles.HexNumber);
var color = Color.FromArgb(255, red, green, blue);
var result = ColorHelper.ConvertToNaturalColor(color);
// hue
Assert.AreEqual(result.hue, hue);
// whiteness[0..1]
Assert.AreEqual(result.whiteness * 100d, whiteness, 0.5d);
// blackness[0..1]
Assert.AreEqual(result.blackness * 100d, blackness, 0.5d);
}
[TestMethod]
public void ColorRGBtoCMYKZeroDivTest()
{