private static CS.ColorRGB rtxyz(CS.ColorRGB c0)
{
var c1 = new CS.ColorXYZ(c0, SRGB_D65_2);
var c2 = new CS.ColorRGB(c1, SRGB_D65_2);
return(c2);
}
public void TestADD()
{
var c0 = CS.ColorRGB32Bit.ParseWebColorString("#ff0000");
var c1 = new CS.ColorRGB(c0);
var hsl = new CS.ColorHSL(c1);
var hsl2 = hsl.Add(-2.3, 0, 0);
}
private static void RoundTrip(CS.ColorRGB rgb, System.Func <CS.ColorRGB, CS.ColorRGB> fx, double delta)
{
var c1 = fx(rgb);
Assert.AreEqual(rgb.R, c1.R, delta);
Assert.AreEqual(rgb.G, c1.G, delta);
Assert.AreEqual(rgb.B, c1.B, delta);
}
private static CS.ColorRGB rtlab(CS.ColorRGB c0)
{
var c1 = new CS.ColorXYZ(c0, SRGB_D65_2);
var c2 = new CS.ColorLAB(c1, SRGB_D65_2);
var c3 = new CS.ColorXYZ(c2, SRGB_D65_2);
var c4 = new CS.ColorRGB(c3, SRGB_D65_2);
return(c4);
}
public void SpotCheckXYZToRGB3()
{
var xyz = new CS.ColorXYZ(95.050, 100.00, 108.900);
var rgb = new CS.ColorRGB(xyz, SRGB_D65_2);
Assert.AreEqual(1, rgb.R, 0.01);
Assert.AreEqual(1, rgb.G, 0.01);
Assert.AreEqual(0.99992, rgb.B, 0.01);
}
public void SpotCheckXYZToRGB2()
{
var xyz = new CS.ColorXYZ(87.54, 92.879, 107.903);
var rgb = new CS.ColorRGB(xyz, SRGB_D65_2);
Assert.AreEqual(0.9411, rgb.R, 0.01);
Assert.AreEqual(0.97257, rgb.G, 0.01);
Assert.AreEqual(0.99992, rgb.B, 0.01);
}
public void SpotCheckXYZToRGB()
{
var xyz = new CS.ColorXYZ(41.240, 21.260, 1.930);
var rgb = new CS.ColorRGB(xyz, SRGB_D65_2);
Assert.AreEqual(1, rgb.R, 0.01);
Assert.AreEqual(0, rgb.G, 0.01);
Assert.AreEqual(0, rgb.G, 0.01);
}
public void test_rgb_to_hsv(double r, double g, double b, double h, double s, double v)
{
var rgb = new CS.ColorRGB(r, g, b);
var hsv = new CS.ColorHSV(rgb);
double delta = 0.0000000000000001;
Assert.AreEqual(h, hsv.H, delta);
Assert.AreEqual(s, hsv.S, delta);
Assert.AreEqual(v, hsv.V, delta);
}
public void SpotCheckLABToRGB()
{
var lab = new CS.ColorLAB(53.233, 80.10, 67.22);
var xyz = new CS.ColorXYZ(lab, SRGB_D65_2);
var rgb = new CS.ColorRGB(xyz, SRGB_D65_2);
Assert.AreEqual(1, rgb.R, 0.01);
Assert.AreEqual(0, rgb.G, 0.01);
Assert.AreEqual(0, rgb.G, 0.01);
}
public void test_rgb_to_hsl(double r, double g, double b, double h, double s, double l)
{
var rgb = new CS.ColorRGB(r, g, b);
var hsl = new CS.ColorHSL(rgb);
double delta = 0.0000000000000001;
Assert.AreEqual(h, hsl.H, delta);
Assert.AreEqual(s, hsl.S, delta);
Assert.AreEqual(l, hsl.L, delta);
}
public void TestHueRotation_HSV()
{
// Spin 0xff0000 around by hue +1.0 - it should end up in 0x00ffff
var c1 = new CS.ColorRGB32Bit(255, 0, 0);
var c2 = new CS.ColorRGB(c1);
var c3 = new CS.ColorHSV(c2);
var c4 = new CS.ColorHSV(0.5, c3.S, c3.V);
var c5 = new CS.ColorRGB(c4);
var c6 = new CS.ColorRGB32Bit(c5);
Assert.AreEqual(255, c6.Alpha);
Assert.AreEqual(0, c6.R);
Assert.AreEqual(255, c6.G);
Assert.AreEqual(255, c6.B);
}
