visp.python.display_utils Namespace Reference

Functions
Optional[Display]	get_display (Optional[List[str]] preferences=None)

Variables
dict	VISP_DISPLAY_CLS_MAP
list	VISP_DEFAULT_DISPLAY_PREFERENCE = ['x', 'opencv', 'gtk', 'win32', 'gdi']

Function Documentation

get_display()

Optional[Display] visp.python.display_utils.get_display

(

Optional[List[str]]

preferences = None

)

Get a new ViSP display instance, dependending on what display driver is available.

:param preference: An optional list of preferred backends to use.
The backends are tested in the order they are specified, and the first match is instanciated.
If preference is None, a default list of display is used. This list contains all basic displays.
The specified values are case insensitive and may include. See VISP_DEFAULT_DISPLAY_PREFERENCE for the available options

:return: a new instance of a ViSP display if one of the requested backend has been found, None otherwise

Definition at line 81 of file display_utils.py.

Variable Documentation

VISP_DEFAULT_DISPLAY_PREFERENCE

list visp.python.display_utils.VISP_DEFAULT_DISPLAY_PREFERENCE = ['x', 'opencv', 'gtk', 'win32', 'gdi']

Definition at line 78 of file display_utils.py.

VISP_DISPLAY_CLS_MAP

dict visp.python.display_utils.VISP_DISPLAY_CLS_MAP

Initial value:

=  {
  'x': None,
  'opencv': None,
  'gtk': None,
  'win32': None,
  'gdi': None,
}

Definition at line 40 of file display_utils.py.