XWhitePixelOfScreen man page on HP-UX

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XWhitePixel*()							XWhitePixel*()

Name
  XWhitePixel,	XWhitePixelOfScreen, WhitePixel, WhitePixelOfScreen – get
  the white pixel value.

Synopsis
  unsigned long XWhitePixel(display, screen_number)
	   Display *display;
	   int screen_number;
  unsigned long XWhitePixelOfScreen(screen)
	   Screen *screen;

Arguments
  display   Specifies  a  connection  to  an  X	 server;  returned   from
	    XOpenDisplay().

  screen_number
	    Specifies  the  appropriate	 screen	 number on the server, as
	    returned by XDefaultScreen*() or the DefaultScreen() macro.

  screen    Specifies the appropriate Screen structure,	 as  returned  by
	    XDefaultScreenOfDisplay()	or   XScreenOfDisplay(),  or  the
	    DefaultScreenOfDisplay() or ScreenOfDisplay() macros.

Returns
  The pixel value.

Description
  Each screen has a default colormap which has pixel values for white and
  white already allocated.  These functions return the white pixel value.
  Note that this pixel value only represents white in a screen's  default
  colormap.

  XWhitePixel() and XWhitePixelOfScreen() are equivalent except that they
  require different arguments.	One requires a pointer to a Screen struc‐
  ture,	 while	the  other  requires a screen number.  Unless you already
  have the pointer to a Screen structure in a variable, XWhitePixel*() is
  more convenient.

  The C language macros WhitePixel() and WhitePixelOfScreen() are equiva‐
  lent and slightly more efficient.

See Also
  XBlackPixel*(), XBlackPixelOfScreen(), XDefaultColormap*().

Xlib - Macro Equivalents					XWhitePixel*()
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