Contrast Module

class Contrast.Contrast(state)

auto_contrast_evt(w)

change_contrast_evt(w, incr)

get_button()

hide_show_change(q, qq=None)

hide_show_panel(hide=None)

hide=None means ‘switch state’

hide_show_panel_evt(w)

reset_contrast_evt(w)

Function called to reset contrast to 1 also unselects the auto contrast

class Contrast.State_contrast