translate_from_linear_space_ex
rgb->r = translate_from_linear_space_ex(
output_tf->tf_pts.red[i] = translate_from_linear_space_ex(
output_tf->tf_pts.green[i] = translate_from_linear_space_ex(
output_tf->tf_pts.blue[i] = translate_from_linear_space_ex(
rgb->r = translate_from_linear_space_ex(