Function initMap

mapfile.c:5008–5105

** Initialize, load and free a mapObj structure ** ** This really belongs in mapobject.c, but currently it also depends on ** lots of other init methods in this file. */

** lots of other init methods in this file.
*/
int initMap(mapObj *map)
{
  int i=0;
  MS_REFCNT_INIT(map);

  map->debug = (int)msGetGlobalDebugLevel();

  /* Set maxlayers = 0, layers[] and layerorder[] will be allocated as needed,
   * on the first call to msGrowMapLayers()
   */
  map->numlayers = 0;
  map->maxlayers = 0;
  map->layers = NULL;
  map->layerorder = NULL; /* used to modify the order in which the layers are drawn */

  map->status = MS_ON;
  map->name = msStrdup("MS");
  map->extent.minx = map->extent.miny = map->extent.maxx = map->extent.maxy = -1.0;

  map->scaledenom = -1.0;
  map->resolution = MS_DEFAULT_RESOLUTION; /* pixels per inch */
  map->defresolution = MS_DEFAULT_RESOLUTION; /* pixels per inch */

  map->height = map->width = -1;
  map->maxsize = MS_MAXIMAGESIZE_DEFAULT;

  map->gt.need_geotransform = MS_FALSE;
  map->gt.rotation_angle = 0.0;

  map->units = MS_METERS;
  map->cellsize = 0;
  map->shapepath = NULL;
  map->mappath = NULL;

  MS_INIT_COLOR(map->imagecolor, 255,255,255,255); /* white */

  map->numoutputformats = 0;
  map->outputformatlist = NULL;
  map->outputformat = NULL;

  /* map->configoptions = msCreateHashTable();; */
  initHashTable(&(map->configoptions));
          
  map->imagetype = NULL;

  map->palette.numcolors = 0;

  map->transparent = MS_NOOVERRIDE;
  map->interlace = MS_NOOVERRIDE;
  map->imagequality = MS_NOOVERRIDE;

  for(i=0; i<MS_MAX_LABEL_PRIORITY; i++) {
      map->labelcache.slots[i].labels = NULL; /* cache is initialize at draw time */
      map->labelcache.slots[i].cachesize = 0;
      map->labelcache.slots[i].numlabels = 0;
      map->labelcache.slots[i].markers = NULL;
      map->labelcache.slots[i].markercachesize = 0;
      map->labelcache.slots[i].nummarkers = 0;