public static FinColor FromRgbaB(byte r, byte g, byte b, byte a)
{
var rr = (uint)((r & 0xff) << 24);
var gg = (uint)((g & 0xff) << 16);
var bb = (uint)((b & 0xff) << 8);
var aa = (uint)(a & 0xff);
return(FinColor.FromRgba(rr + gg + bb + aa));
}
public void TestFromRgbaB()
{
var color = FinColor.FromRgbaB(1, 2, 3, 4);
Assert.AreEqual(1, color.Rb);
Assert.AreEqual(2, color.Gb);
Assert.AreEqual(3, color.Bb);
Assert.AreEqual(4, color.Ab);
}
public void TestFromRgbaF()
{
var color = FinColor.FromRgbaF(.1f, .2f, .3f, .4f);
var tolerance = .01f;
Assert.AreEqual(.1, color.Rf, tolerance);
Assert.AreEqual(.2, color.Gf, tolerance);
Assert.AreEqual(.3, color.Bf, tolerance);
Assert.AreEqual(.4, color.Af, tolerance);
}
public static FinColor Random()
{
var(r, g, b) = FinRandom.Bytes3();
return(FinColor.FromRgbB(r, g, b));
}
public static FinColor FromCColor(Color color) => FinColor.FromRgbaB(color.R, color.G, color.B, color.A);
public static FinColor FromVB(byte v) => FinColor.FromRgbB(v, v, v);
public static FinColor FromRgbF(float r, float g, float b) => FinColor.FromRgbaF(r, g, b, 1);
public static FinColor FromRgbaF(float r, float g, float b, float a)
=> FinColor.FromRgbaB((byte)(r * 255),
(byte)(g * 255),
(byte)(b * 255),
(byte)(a * 255));
public static FinColor FromRgbB(byte r, byte g, byte b) => FinColor.FromRgbaB(r, g, b, 255);