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     BlackPixelOfScreen(3X)                BlackPixelOfScreen(3X)



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

     SYNOPSIS
          BlackPixelOfScreen(screen)

          WhitePixelOfScreen(screen)

          CellsOfScreen(screen)

          DefaultColormapOfScreen(screen)

          DefaultDepthOfScreen(screen)

          DefaultGCOfScreen(screen)

          DefaultVisualOfScreen(screen)

          DoesBackingStore(screen)

          DoesSaveUnders(screen)

          DisplayOfScreen(screen)

          EventMaskOfScreen(screen)

          HeightOfScreen(screen)

          HeightMMOfScreen(screen)

          MaxCmapsOfScreen(screen)

          MinCmapsOfScreen(screen)

          PlanesOfScreen(screen)

          RootWindowOfScreen(screen)

          WidthOfScreen(screen)

          WidthMMOfScreen(screen)

     ARGUMENTS
          screen    Specifies a pointer to the appropriate Screen
                    structure.



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     BlackPixelOfScreen(3X)                BlackPixelOfScreen(3X)



     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 EventMaskOfScreen macro returns the root event mask
          of the root window for the specified screen at connecti
          setup time.

          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.

          The PlanesOfScreen macro returns the number of planes



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     BlackPixelOfScreen(3X)                BlackPixelOfScreen(3X)



          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 Programming Manual








































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