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
SYNTAXBlackPixelOfScreen(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.
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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.
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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 ALSOAllPlanes(3X11), ImageByteOrder(3X11), IsCursorKey(3X11)
Xlib - C Language X Interface
X Version 11 Release 6.4 3
