- @param pos The stop position, must be in [0, 1) range with 0 being the
- beginning and 1 the end of the gradient (but it doesn't make sense
- to create a stop at position 1 because it would never be visible
- anyhow).
+ @param pos The stop position, must be in [0, 1] range with 0 being the
+ beginning and 1 the end of the gradient.