BlackPixelOfScreen 3X11 __xorgversion__ XLIB FUNCTIONS 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 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 ); screen Specifies the appropriate  Screen  structure. 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  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 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 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. AllPlanes(3X11), ImageByteOrder(3X11), IsCursorKey(3X11) Xlib - C Language X Interface