applyGamma_video()

uint8_t fl::applyGamma_video	(	uint8_t	brightness,
		float	gamma )

Definition at line 1056 of file colorutils.cpp.

                                                          {
    float orig;
    float adj;
    orig = (float)(brightness) / (255.0);
    adj = pow(orig, gamma) * (255.0);
    uint8_t result = (uint8_t)(adj);
    if ((brightness > 0) && (result == 0)) {
        result = 1; // never gamma-adjust a positive number down to zero
    }
    return result;
}