se::colour Namespace Reference

Functions
static RGB	blend (const RGB a, const RGB b, const float alpha)
	Blend colors a and b based on the value of alpha.
static RGBA	blend (const RGBA a, const RGBA b, const float alpha)
	This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.

Function Documentation

blend() [1/2]

static RGB se::colour::blend ( const RGB  a, const RGB  b, const float  alpha  )

inlinestatic

Blend colors a and b based on the value of alpha.

Returns per-channel alpha * a + (1 - alpha) * b. The value of alpha must be in the range [0, 1] inclusive.

Note

Swapping a and b while keeping the same alpha is not guaranteed to produce the same result.

blend() [2/2]

static RGBA se::colour::blend ( const RGBA  a, const RGBA  b, const float  alpha  )

inlinestatic

This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.