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Referenced by _add_node(), _move_point_internal(), dt_iop_tonecurve_button_press(), dt_iop_tonecurve_draw(), dt_iop_tonecurve_motion_notify(), dt_iop_tonecurve_sanity_check(), dt_lightroom_import(), encode_tonecurve(), init_pipe(), and legacy_params().
Referenced by _add_node(), _move_point_internal(), dt_iop_tonecurve_button_press(), dt_iop_tonecurve_draw(), dt_iop_tonecurve_motion_notify(), dt_iop_tonecurve_sanity_check(), dt_lightroom_import(), encode_tonecurve(), and init_pipe().