Function msGetQueryResultBounds

mapquery.c:1905–1930

msGetQueryResultBounds() * * Compute the BBOX of all query results, returns the number of layers found * that contained query results and were included in the BBOX. * i.e. if we return 0 then the value in bounds is invalid. */

 * i.e. if we return 0 then the value in bounds is invalid.
 */
int msGetQueryResultBounds(mapObj *map, rectObj *bounds)
{
  int i, found=0;
  rectObj tmpBounds;

  for(i=0; i<map->numlayers; i++) {

    layerObj *lp;
    lp = (GET_LAYER(map, i));

    if(!lp->resultcache) continue;
    if(lp->resultcache->numresults <= 0) continue;

    tmpBounds = lp->resultcache->bounds;

    if(found == 0) {
      *bounds = tmpBounds;
    } else {
      msMergeRect(bounds, &tmpBounds);
    }

    found++;
  }

  return found;
}

/* TODO: Rename this msFreeResultSet() or something along those lines... */
/* msQueryFree()