man BlackPixelOfScreen (Fonctions bibliothèques) - screen information functions and macros

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

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 structure.

DESCRIPTION

The macro returns the black pixel value of the specified screen.

The macro returns the white pixel value of the specified screen.

The macro returns the number of colormap cells in the default colormap of the specified screen.

The macro returns the default colormap of the specified screen.

The macro returns the default depth of the root window of the specified screen.

The macro returns the default GC of the specified screen, which has the same depth as the root window of the screen.

The macro returns the default visual of the specified screen.

The macro returns or which indicate whether the screen supports backing stores.

The macro returns a Boolean value indicating whether the screen supports save unders.

The macro returns the display of the specified screen.

The function returns the screen index number of the specified screen.

The macro returns the root event mask of the root window for the specified screen at connection setup.

The macro returns the height of the specified screen.

The macro returns the height of the specified screen in millimeters.

The macro returns the maximum number of installed colormaps supported by the specified screen.

The macro returns the minimum number of installed colormaps supported by the specified screen.

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

The macro returns the root window of the specified screen.

The macro returns the width of the specified screen.

The macro returns the width of the specified screen in millimeters.

SEE ALSO

AllPlanes(3), ImageByteOrder(3), IsCursorKey(3)