/// <summary>
/// Interpolates between two values using an enforced amount.
/// </summary>
public static float LerpExact(float a, float b, float amount)
{
if (!RangeF.Contains(0.0f, 1.0f, amount))
{
throw new ArithmeticException("Cannot interpolate with an amount outside the range of [0, 1].");
}
return((1.0f - amount) * a + amount * b);
}
private static ImmutableColor CreateFromChmx(float c, float h, float m, float x)
{
float rF = 0.00f;
float gF = 0.00f;
float bF = 0.00f;
if (RangeF.Contains(0.00f, 60.00f, h, true, false))
{
rF = c;
gF = x;
bF = 0;
}
else if (RangeF.Contains(60.00f, 120.00f, h, true, false))
{
rF = x;
gF = c;
bF = 0;
}
else if (RangeF.Contains(120.00f, 180.00f, h, true, false))
{
rF = 0;
gF = c;
bF = x;
}
else if (RangeF.Contains(180.00f, 240.00f, h, true, false))
{
rF = 0;
gF = x;
bF = c;
}
else if (RangeF.Contains(240.00f, 300.00f, h, true, false))
{
rF = x;
gF = 0;
bF = c;
}
else if (RangeF.Contains(300.00f, 360.00f, h, true, false))
{
rF = c;
gF = 0;
bF = x;
}
byte r = (byte)Math.Floor((rF + m) * 255);
byte g = (byte)Math.Floor((gF + m) * 255);
byte b = (byte)Math.Floor((bF + m) * 255);
return(new ImmutableColor(r, g, b));
}