BlackPixelOfScreen(3) XLIB FUNCTIONS BlackPixelOfScreen(3)
NAME
BlackPixelOfScreen, WhitePixelOfScreen, CellsOfScreen, DefaultCol-
ormapOfScreen, DefaultDepthOfScreen, DefaultGCOfScreen, DefaultVisualOf-
Screen, DoesBackingStore, DoesSaveUnders, DisplayOfScreen, XScreenNum-
berOfScreen, EventMaskOfScreen, HeightOfScreen, HeightMMOfScreen, Max-
CmapsOfScreen, MinCmapsOfScreen, PlanesOfScreen, RootWindowOfScreen,
WidthOfScreen, WidthMMOfScreen - screen information 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);
ARGUMENTS
screen Specifies the appropriate Screen structure.
DESCRIPTION
The BlackPixelOfScreen macro returns the black pixel value of the speci-
fied screen.
The WhitePixelOfScreen macro returns the white pixel value of the speci-
fied screen.
The CellsOfScreen macro returns the number of colormap cells in the de-
fault 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 speci-
fied 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 win-
dow 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 col-
ormaps supported by the specified screen.
The MinCmapsOfScreen macro returns the minimum number of installed col-
ormaps 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(3), ImageByteOrder(3), IsCursorKey(3)
Xlib - C Language X Interface
X Version 11 libX11 1.8.12 BlackPixelOfScreen(3)
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