


BlackPixelOfScreen(3X11)  XLIB FUNCTIONS BlackPixelOfScreen(3X11)


NAME
       BlackPixelOfScreen, WhitePixelOfScreen, CellsOfScreen,
       DefaultColormapOfScreen, DefaultDepthOfScreen, DefaultG
       COfScreen, DefaultVisualOfScreen, DoesBackingStore, Does
       SaveUnders, DisplayOfScreen, XScreenNumberOfScreen, Event
       MaskOfScreen, HeightOfScreen, HeightMMOfScreen, MaxCmap
       sOfScreen, MinCmapsOfScreen, PlanesOfScreen, RootWindowOf
       Screen, WidthOfScreen, WidthMMOfScreen - screen informa
       tion functions and macros

SYNTAX
       BlackPixelOfScreen(screen)

       WhitePixelOfScreen(screen)

       CellsOfScreen(screen)

       DefaultColormapOfScreen(screen)

       DefaultDepthOfScreen(screen)

       DefaultGCOfScreen(screen)

       DefaultVisualOfScreen(screen)

       DoesBackingStore(screen)

       DoesSaveUnders(screen)

       DisplayOfScreen(screen)

       int XScreenNumberOfScreen(screen)
	     Screen *screen;

       EventMaskOfScreen(screen)

       HeightOfScreen(screen)

       HeightMMOfScreen(screen)

       MaxCmapsOfScreen(screen)

       MinCmapsOfScreen(screen)

       PlanesOfScreen(screen)

       RootWindowOfScreen(screen)

       WidthOfScreen(screen)

       WidthMMOfScreen(screen)

ARGUMENTS
       screen	 Specifies the appropriate Screen structure.



X Version 11		   Release 6.3				1





BlackPixelOfScreen(3X11)  XLIB FUNCTIONS BlackPixelOfScreen(3X11)


DESCRIPTION
       The BlackPixelOfScreen macro returns the black pixel value
       of the specified screen.

       The WhitePixelOfScreen macro returns the white pixel value
       of the specified screen.

       The CellsOfScreen macro returns the number of colormap
       cells in the default colormap of the specified screen.

       The DefaultColormapOfScreen macro returns the default col
       ormap of the specified screen.

       The DefaultDepthOfScreen macro returns the default depth
       of the root window of the specified screen.

       The DefaultGCOfScreen macro returns the default GC of the
       specified screen, which has the same depth as the root
       window of the screen.

       The DefaultVisualOfScreen macro returns the default visual
       of the specified screen.

       The DoesBackingStore macro returns WhenMapped, NotUseful,
       or Always, which indicate whether the screen supports
       backing stores.

       The DoesSaveUnders macro returns a Boolean value indicat
       ing whether the screen supports save unders.

       The DisplayOfScreen macro returns the display of the spec
       ified screen.

       The XScreenNumberOfScreen function returns the screen
       index number of the specified screen.

       The EventMaskOfScreen macro returns the root event mask of
       the root window for the specified screen at connection
       setup.

       The HeightOfScreen macro returns the height of the speci
       fied screen.

       The HeightMMOfScreen macro returns the height of the spec
       ified screen in millimeters.

       The MaxCmapsOfScreen macro returns the maximum number of
       installed colormaps supported by the specified screen.

       The MinCmapsOfScreen macro returns the minimum number of
       installed colormaps supported by the specified screen.

       The PlanesOfScreen macro returns the number of planes in
       the root window of the specified screen.



X Version 11		   Release 6.3				2





BlackPixelOfScreen(3X11)  XLIB FUNCTIONS BlackPixelOfScreen(3X11)


       The RootWindowOfScreen macro returns the root window of
       the specified screen.

       The WidthOfScreen macro returns the width of the specified
       screen.

       The WidthMMOfScreen macro returns the width of the speci
       fied screen in millimeters.

SEE ALSO
       AllPlanes(3X11), ImageByteOrder(3X11), IsCursorKey(3X11)
       Xlib - C Language X Interface













































X Version 11		   Release 6.3				3


