/*
*
*
*  This software was developed by the Thermal Modeling and Analysis
*  Project(TMAP) of the National Oceanographic and Atmospheric
*  Administration's (NOAA) Pacific Marine Environmental Lab(PMEL),
*  hereafter referred to as NOAA/PMEL/TMAP.
*
*  Access and use of this software shall impose the following
*  obligations and understandings on the user. The user is granted the
*  right, without any fee or cost, to use, copy, modify, alter, enhance
*  and distribute this software, and any derivative works thereof, and
*  its supporting documentation for any purpose whatsoever, provided
*  that this entire notice appears in all copies of the software,
*  derivative works and supporting documentation.  Further, the user
*  agrees to credit NOAA/PMEL/TMAP in any publications that result from
*  the use of this software or in any product that includes this
*  software. The names TMAP, NOAA and/or PMEL, however, may not be used
*  in any advertising or publicity to endorse or promote any products
*  or commercial entity unless specific written permission is obtained
*  from NOAA/PMEL/TMAP. The user also understands that NOAA/PMEL/TMAP
*  is not obligated to provide the user with any support, consulting,
*  training or assistance of any kind with regard to the use, operation
*  and performance of this software nor to provide the user with any
*  updates, revisions, new versions or "bug fixes".
*
*  THIS SOFTWARE IS PROVIDED BY NOAA/PMEL/TMAP "AS IS" AND ANY EXPRESS
*  OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
*  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
*  ARE DISCLAIMED. IN NO EVENT SHALL NOAA/PMEL/TMAP BE LIABLE FOR ANY SPECIAL,
*  INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
*  RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
*  CONTRACT, NEGLIGENCE OR OTHER TORTUOUS ACTION, ARISING OUT OF OR IN
*  CONNECTION WITH THE ACCESS, USE OR PERFORMANCE OF THIS SOFTWARE. 
*
*
* *kob* v5.41 - check to see if X server is currently enabled with
*               backing store.
*
*/

#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <stdlib.h>
#include "gks_implem.h"
#include "wslist.h"

#ifdef NO_ENTRY_NAME_UNDERSCORES
backing_store_enabled(ws_id, bs)
#else
backing_store_enabled_(ws_id, bs)
#endif
     int *ws_id;
     int *bs;

{
  WS_STATE_ENTRY *ws;
  XWindowAttributes win_info;

/* determine the XGKS ws state entry structure from ws_id */
  ws  = OPEN_WSID (*ws_id);
  

  /*
   * Get the parameters of the window being dumped.
   */
  if (ws->dpy) {
    if(!XGetWindowAttributes(ws->dpy, ws->win, &win_info)) 
      {
	fprintf (stderr, "Can't get target window attributes.");
	exit(1);
      }
    /* Check for backing store */
    if (win_info.backing_store) {
      *bs = 1;
    } else {
      *bs = 0;
    }
  }
  
}

