remove USE_PROJ check for mode=tile

maptemplate.c

@@ -4612,6 +4612,7 @@ mapservObj *msAllocMapServObj()
   mapserv->ShapeIndex=-1;
   mapserv->TileIndex=-1;
   mapserv->TileMode=TILE_GMAP;
+  mapserv->TileCoords=NULL;
   mapserv->QueryCoordSource=NONE;
   mapserv->ZoomSize=0; /* zoom absolute magnitude (i.e. > 0) */
 
@@ -4651,6 +4652,8 @@ void msFreeMapServObj(mapservObj* mapserv)
     msFree(mapserv->SelectLayer);
     msFree(mapserv->QueryFile);
 
+    msFree(mapserv->TileCoords);
+
     msFree(mapserv);
   }
 }

maptile.h

@@ -30,9 +30,7 @@
 #include "mapserver.h"
 #include "maptemplate.h"
 
-#ifdef USE_PROJ
 #define USE_TILE_API 1
-#endif
 
 #define SPHEREMERC_PROJ4 "+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0 +units=m +k=1.0 +nadgrids=@null"
 #define SPHEREMERC_GROUND_SIZE (20037508.34*2)

msautotest/misc/mode_tile.map

@@ -0,0 +1,36 @@
+#
+# Test of mode=tile (CGI "tile mode").  A 256x256 tile should be generated
+# in the "gmap" tilemode, reprojected to the Google Mercator (EPSG:3857)
+# and displayed at the global extent.
+#
+# REQUIRES: INPUT=OGR OUTPUT=PNG SUPPORTS=PROJ
+#
+# RUN_PARMS: mode_tile_output.png [MAPSERV] QUERY_STRING="map=[MAPFILE]&MODE=tile&TILEMODE=gmap&TILE=0+0+0&LAYERS=canada-poly" > [RESULT_DEMIME]
+#
+MAP
+  NAME "MODE_TILE_TEST"
+  IMAGETYPE PNG
+  EXTENT -140.992892 41.976786 -55.630945 71.990315
+  SIZE 400 400
+
+  PROJECTION
+    "init=epsg:4326"
+  END #projection
+
+  LAYER
+    NAME "canada-poly"
+    TYPE POLYGON
+    STATUS DEFAULT
+    CONNECTIONTYPE OGR
+    CONNECTION "data/canada.dgn"
+    DATA "elements"
+    PROJECTION
+      "init=epsg:4326"
+    END #projection
+    CLASS
+      OUTLINECOLOR 0 0 0 
+      COLOR 120 120 120 
+    END #class
+  END #layer
+
+END #map