/// Test for inequality with another color without epsilon.
public static bool operator !=(Color lhs, Color rhs)
{
return(!MathDefs.Equals(lhs.R, rhs.R) ||
!MathDefs.Equals(lhs.G, rhs.G) ||
!MathDefs.Equals(lhs.B, rhs.B) ||
!MathDefs.Equals(lhs.A, rhs.A));
}
/// Return hue value given greatest and least RGB component, value-wise.
private float Hue(float min, float max)
{
float chroma = max - min;
// If chroma equals zero, hue is undefined
if (chroma <= MathDefs.Epsilon)
{
return(0.0f);
}
// Calculate and return hue
if (MathDefs.Equals(G, max))
{
return((B + 2.0f * chroma - R) / (6.0f * chroma));
}
else if (MathDefs.Equals(B, max))
{
return((4.0f * chroma - G + R) / (6.0f * chroma));
}
else
{
float r = (G - B) / (6.0f * chroma);
return((r < 0.0f) ? 1.0f + r : ((r >= 1.0f) ? r - 1.0f : r));
}
}
/// Test for equality with another color without epsilon.
public static bool operator ==(Color lhs, Color rhs)
{
return(MathDefs.Equals(lhs.R, rhs.R) &&
MathDefs.Equals(lhs.G, rhs.G) &&
MathDefs.Equals(lhs.B, rhs.B) &&
MathDefs.Equals(lhs.A, rhs.A));
}
/// Test for equality with another color with epsilon.
public bool Equals(Color obj)
{
return(MathDefs.Equals(R, obj.R) &&
MathDefs.Equals(G, obj.G) &&
MathDefs.Equals(B, obj.B) &&
MathDefs.Equals(A, obj.A));
}
