/// <summary>
/// Converts a single color component from SRGB (gamma) to linear space.
/// </summary>
/// <param name="x">Component in SRGB space.</param>
/// <returns>Component in linear space.</returns>
private static float SRGBToLinear(float x)
{
if (x <= 0.0f)
{
return(0.0f);
}
else if (x >= 1.0f)
{
return(1.0f);
}
else if (x < 0.04045f)
{
return(x / 12.92f);
}
else
{
return(MathEx.Pow((x + 0.055f) / 1.055f, 2.4f));
}
}
/// <summary>
/// Converts a single color component from linear to SRGB (gamma) space.
/// </summary>
/// <param name="x">Component in linear space.</param>
/// <returns>Component in SRGB space.</returns>
private static float LinearToSRGB(float x)
{
if (x <= 0.0f)
{
return(0.0f);
}
else if (x >= 1.0f)
{
return(1.0f);
}
else if (x < 0.0031308f)
{
return(x * 12.92f);
}
else
{
return(MathEx.Pow(x, 1.0f / 2.4f) * 1.055f - 0.055f);
}
}