XQueryBestSize(3X11)						     MIT X11R4						      XQueryBestSize(3X11)

Name
       XQueryBestSize, XQueryBestTile, XQueryBestStipple - determine efficient sizes

Syntax
       Status XQueryBestSize(display, class, which_screen, width, height, width_return, height_return)
	  Display *display;
	  int class;
	  Drawable which_screen;
	  unsigned int width, height;
	  unsigned int *width_return, *height_return;

       Status XQueryBestTile(display, which_screen, width, height, width_return, height_return)
	  Display *display;
	  Drawable which_screen;
	  unsigned int width, height;
	  unsigned int *width_return, *height_return;

       Status XQueryBestStipple(display, which_screen, width, height, width_return, height_return)
	  Display *display;
	  Drawable which_screen;
	  unsigned int width, height;
	  unsigned int *width_return, *height_return;

Arguments
       class	 Specifies the class that you are interested in.  You can pass or

       display	 Specifies the connection to the X server.

       width
       height	 Specify the width and height.

       which_screen
		 Specifies any drawable on the screen.

       width_return
       height_return
		 Return the width and height of the object best supported by the display hardware.

Description
       The function returns the best or closest size to the specified size.  For this is the largest size that can be fully displayed on the
       screen specified by which_screen.  For this is the size that can be tiled fastest.  For this is the size that can be stippled fastest.  For
       the drawable indicates the desired screen.  For and the drawable indicates the screen and possibly the window class and depth.  An window
       cannot be used as the drawable for or or a error results.

       can generate and errors.

       The function returns the best or closest size, that is, the size that can be tiled fastest on the screen specified by which_screen.  The
       drawable indicates the screen and possibly the window class and depth.  If an window is used as the drawable, a error results.

       can generate and errors.

       The function returns the best or closest size, that is, the size that can be stippled fastest on the screen specified by which_screen.  The
       drawable indicates the screen and possibly the window class and depth.  If an window is used as the drawable, a error results.

       can generate and errors.

Diagnostics
       An	 window is used as a Drawable.

       A value for a Drawable argument does not name a defined Window or Pixmap.

       The values do not exist for an
		 window.

       Some numeric value falls outside the range of values accepted by the request.
		 Unless a specific range is specified for an argument, the full range defined by the argument's type is accepted. Any argument
		 defined as a set of alternatives can generate this error.

See Also
       XCreateGC(3X11), XSetArcMode(3X11), XSetClipOrigin(3X11), XSetFillStyle(3X11), XSetFont(3X11), XSetLineAttributes(3X11), XSetState(3X11),
       XSetTile(3X11)
       X Window System: The Complete Reference, Second Edition, Robert W. Scheifler and James Gettys

															      XQueryBestSize(3X11)