Fixed RGB to LAB conversion using Colorful.

1 files changed, 29 insertions, 0 deletions

diff --git a/Software/Visual_Studio/Tango.BL/ExtensionMethods/ColorMineExtensions.cs b/Software/Visual_Studio/Tango.BL/ExtensionMethods/ColorMineExtensions.cs
new file mode 100644
index 000000000..de8c7f69b
--- /dev/null
+++ b/Software/Visual_Studio/Tango.BL/ExtensionMethods/ColorMineExtensions.cs
@@ -0,0 +1,29 @@
+using ColorMine.ColorSpaces;
+using Colourful;
+using Colourful.Conversion;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+public static class ColorMineExtensions
+{
+    public static Rgb ToRgbUsingColorful(this Lab lab)
+    {
+        LabColor labColor = new LabColor(lab.L, lab.A, lab.B);
+        var converter = new ColourfulConverter { WhitePoint = Illuminants.D65 };
+        var output = converter.ToRGB(labColor);
+        var color = output.ToColor();
+        return new Rgb(color.R, color.G, color.B);
+    }
+
+    public static Lab ToLabUsingColorful(this Rgb rgb)
+    {
+        RGBColor rgbColor = RGBColor.FromRGB8bit((byte)rgb.R, (byte)rgb.G, (byte)rgb.B);
+        var converter = new ColourfulConverter { WhitePoint = Illuminants.D65 };
+        var output = converter.ToLab(rgbColor);
+        return new Lab(output.L, output.a, output.b);
+    }
+}
+