This function returns the available bit depths for the default
screen. It’s equivalent to listing the visuals
(gdk_list_visuals()) and then looking at the depth field in each
visual, removing duplicates.
The array returned by this function should not be freed.
Returns number[]
Deprecated
since 3.22: Visual selection should be done using gdk_screen_get_system_visual() and gdk_screen_get_rgba_visual()
This function returns the available bit depths for the default screen. It’s equivalent to listing the visuals (gdk_list_visuals()) and then looking at the depth field in each visual, removing duplicates.
The array returned by this function should not be freed.