Update geom package to use new extent structure

src/ol/geom/abstractcollection.js

@@ -38,22 +38,12 @@ goog.inherits(ol.geom.AbstractCollection, ol.geom.Geometry);
  */
 ol.geom.AbstractCollection.prototype.getBounds = function() {
   if (goog.isNull(this.bounds)) {
-    var minX,
-        minY = minX = Infinity,
-        maxX,
-        maxY = maxX = -Infinity,
-        components = this.components,
-        len = components.length,
-        bounds, i;
-
-    for (i = 0; i < len; ++i) {
-      bounds = components[i].getBounds();
-      minX = Math.min(bounds[0], minX);
-      maxX = Math.max(bounds[1], maxX);
-      minY = Math.min(bounds[2], minY);
-      maxY = Math.max(bounds[3], maxY);
+    var bounds = ol.extent.createEmpty();
+    var components = this.components;
+    for (var i = 0, ii = components.length; i < ii; ++i) {
+      ol.extent.extend(bounds, components[i].getBounds());
     }
-    this.bounds = [minX, maxX, minY, maxY];
+    this.bounds = bounds;
   }
   return this.bounds;
 };

src/ol/geom/linestring.js

@@ -126,7 +126,7 @@ ol.geom.LineString.prototype.getBounds = function() {
         maxY = y;
       }
     }
-    this.bounds_ = [minX, maxX, minY, maxY];
+    this.bounds_ = [[minX, minY], [maxX, maxY]];
   }
   return this.bounds_;
 };

src/ol/geom/point.js

@@ -68,7 +68,7 @@ ol.geom.Point.prototype.getBounds = function() {
   if (goog.isNull(this.bounds_)) {
     var x = this.get(0),
         y = this.get(1);
-    this.bounds_ = [x, x, y, y];
+    this.bounds_ = [[x, y], [x, y]];
   }
   return this.bounds_;
 };