Add ol.Rectangle.getSize

src/ol/rectangle.js

@@ -2,6 +2,7 @@ goog.provide('ol.Rectangle');
 
 goog.require('goog.asserts');
 goog.require('goog.math.Coordinate');
+goog.require('goog.math.Size');
 
 
 
@@ -78,3 +79,11 @@ ol.Rectangle.prototype.getCenter = function() {
   return new goog.math.Coordinate(
       (this.minX + this.maxX) / 2, (this.minY + this.maxY) / 2);
 };
+
+
+/**
+ * @return {goog.math.Size} Size.
+ */
+ol.Rectangle.prototype.getSize = function() {
+  return new goog.math.Size(this.maxX - this.minX, this.maxY - this.minY);
+};

src/ol/rectangle_test.js

@@ -99,3 +99,11 @@ function testIntersects() {
   assertNotIntersects(new ol.Rectangle(80, 120, 120, 140));
   assertNotIntersects(new ol.Rectangle(120, 120, 140, 140));
 }
+
+
+function testSize() {
+  var rectangle = new ol.Rectangle(0, 1, 2, 4);
+  var size = rectangle.getSize();
+  assertEquals(2, size.width);
+  assertEquals(3, size.height);
+}

src/ol/tilebounds.js

@@ -75,6 +75,7 @@ ol.TileBounds.prototype.forEachTileCoord = function(z, f, opt_obj) {
 
 
 /**
+ * @override
  * @return {goog.math.Size} Size.
  */
 ol.TileBounds.prototype.getSize = function() {