/** Set exposure adjustment in EV units. Positive values brighten the
image, negative values darken it. Zero is neutral. */
void set_exposure_adjust(float);
/** Set exposure adjustment in EV units. Positive values brighten the
image, negative values darken it. Zero is neutral. */
void set_exposure_adjust(float);
- /** Sets the exponent of the */
+ /** Sets the exponent of the brightness response curve. It must be greater
+ than zero and at most one. A value of one gives a linear response; closer
+ to zero results in a more gentle curve. */
void set_brightness_response(float);
/** Sets the gamma value used for mapping output colors. Allowed range is
void set_brightness_response(float);
/** Sets the gamma value used for mapping output colors. Allowed range is