Film Loader

A helper function to load film stocks with a dynamic loading bar.

Functions:

• load_filmstocks –

  Processes film stock data in parallel and reports the progress to the progress bar.

• load_ui –

  Helper function for loading UI elements in spectral_film_lut and raw2film.

load_filmstocks(progress_callback, gray_value=None)

load_ui(
    main_window,
    splash_screen,
    app,
    gray_value: float | None = None,
    exit_immediately: bool = False,
)