BlackPixelOfScreen(3X11) XLIB FUNCTIONS BlackPixelOfScreen(3X11)
NAME
BlackPixelOfScreen, WhitePixelOfScreen, CellsOfScreen,
DefaultColormapOfScreen, DefaultDepthOfScreen, DefaultGCOfS-
creen, DefaultVisualOfScreen, DoesBackingStore, Does-
SaveUnders, DisplayOfScreen, XScreenNumberOfScreen,
EventMaskOfScreen, HeightOfScreen, HeightMMOfScreen,
MaxCmapsOfScreen, MinCmapsOfScreen, PlanesOfScreen, RootWin-
dowOfScreen, WidthOfScreen, WidthMMOfScreen - screen infor-
mation functions and macros
SYNTAX
unsigned long BlackPixelOfScreen(Screen *screen);
unsigned long WhitePixelOfScreen(Screen *screen);
int CellsOfScreen(Screen *screen);
Colormap DefaultColormapOfScreen(Screen *screen);
int DefaultDepthOfScreen(Screen *screen);
GC DefaultGCOfScreen(Screen *screen);
Visual *DefaultVisualOfScreen(Screen *screen);
int DoesBackingStore(Screen *screen);
Bool DoesSaveUnders(Screen *screen);
Display *DisplayOfScreen(Screen *screen);
int XScreenNumberOfScreen(Screen *screen);
long EventMaskOfScreen(Screen *screen);
int HeightOfScreen(Screen *screen);
int HeightMMOfScreen(Screen *screen);
int MaxCmapsOfScreen(Screen *screen);
int MinCmapsOfScreen(Screen *screen);
int PlanesOfScreen(Screen *screen);
Window RootWindowOfScreen(Screen *screen);
int WidthOfScreen(Screen *screen);
int WidthMMOfScreen(Screen *screen);
XFree86 Version 4.5.0 1
BlackPixelOfScreen(3X11) XLIB FUNCTIONS 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 color-
map 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 win-
dow 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 speci-
fied 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 speci-
fied screen in millimeters.
The MaxCmapsOfScreen macro returns the maximum number of
installed colormaps supported by the specified screen.
XFree86 Version 4.5.0 2
BlackPixelOfScreen(3X11) XLIB FUNCTIONS BlackPixelOfScreen(3X11)
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.
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
XFree86 Version 4.5.0 3