BlackPixelOfScreen(3X11)    X Version 11(Release 5)    BlackPixelOfScreen(3X11)


NAME
      BlackPixelOfScreen, WhitePixelOfScreen, CellsOfScreen,
      DefaultColormapOfScreen, DefaultDepthOfScreen, DefaultGCOfScreen,
      DefaultVisualOfScreen, DoesBackingStore, DoesSaveUnders, DisplayOfScreen,
      XScreenNumberOfScreen, EventMaskOfScreen, HeightOfScreen,
      HeightMMOfScreen, MaxCmapsOfScreen, MinCmapsOfScreen, PlanesOfScreen,
      RootWindowOfScreen, WidthOfScreen, WidthMMOfScreen - screen information
      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)




10/89                                                                    Page 1

BlackPixelOfScreen(3X11)    X Version 11(Release 5)    BlackPixelOfScreen(3X11)


ARGUMENTS
      screen    Specifies the appropriate Screen structure.

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 colormap 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 indicating whether the
      screen supports save unders.

      The DisplayOfScreen macro returns the display of the specified 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 specified screen.

      The HeightMMOfScreen macro returns the height of the specified 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.





Page 2                                                                    10/89

BlackPixelOfScreen(3X11)    X Version 11(Release 5)    BlackPixelOfScreen(3X11)


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

      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 specified screen in
      millimeters.

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








































10/89                                                                    Page 3