From cb099cb4531a7fabf582446083b26b4576822af6 Mon Sep 17 00:00:00 2001
From: Tom Payne <twpayne@gmail.com>
Date: Fri, 8 Nov 2013 16:35:10 +0100
Subject: [PATCH] Add ol.geom.MultiPolygon

---
 src/ol/geom/geometry.js     |  4 +--
 src/ol/geom/multipolygon.js | 67 +++++++++++++++++++++++++++++++++++++
 2 files changed, 69 insertions(+), 2 deletions(-)
 create mode 100644 src/ol/geom/multipolygon.js

diff --git a/src/ol/geom/geometry.js b/src/ol/geom/geometry.js
index a497ea6680..e3e534e76c 100644
--- a/src/ol/geom/geometry.js
+++ b/src/ol/geom/geometry.js
@@ -1,5 +1,4 @@
 // FIXME add MultiPoint
-// FIXME add MultiPolygon
 // FIXME add GeometryCollection
 // FIXME add Z and M support
 // FIXME use flat coordinate arrays
@@ -17,7 +16,8 @@ ol.geom.GeometryType = {
   POINT: 'Point',
   LINE_STRING: 'LineString',
   POLYGON: 'Polygon',
-  MULTI_LINE_STRING: 'MultiLineString'
+  MULTI_LINE_STRING: 'MultiLineString',
+  MULTI_POLYGON: 'MultiPolygon'
 };
 
 
diff --git a/src/ol/geom/multipolygon.js b/src/ol/geom/multipolygon.js
new file mode 100644
index 0000000000..5d0b6dca13
--- /dev/null
+++ b/src/ol/geom/multipolygon.js
@@ -0,0 +1,67 @@
+goog.provide('ol.geom.MultiPolygon');
+
+goog.require('goog.asserts');
+goog.require('ol.extent');
+goog.require('ol.geom.Geometry');
+
+
+
+/**
+ * @constructor
+ * @extends {ol.geom.Geometry}
+ * @param {Array.<Array.<Array.<ol.Coordinate>>>} ringss Ringss.
+ */
+ol.geom.MultiPolygon = function(ringss) {
+
+  goog.base(this);
+
+  /**
+   * @private
+   * @type {Array.<Array.<Array.<ol.Coordinate>>>}
+   */
+  this.ringss_ = ringss;
+
+};
+goog.inherits(ol.geom.MultiPolygon, ol.geom.Geometry);
+
+
+/**
+ * @inheritDoc
+ */
+ol.geom.MultiPolygon.prototype.getExtent = function(opt_extent) {
+  if (this.extentRevision != this.revision) {
+    this.extent = ol.extent.createOrUpdateEmpty(this.extent);
+    var ringss = this.ringss_;
+    var i, ii;
+    for (i = 0, ii = ringss.length; i < ii; ++i) {
+      ol.extent.extendRings(this.extent, ringss[i]);
+    }
+  }
+  goog.asserts.assert(goog.isDef(this.extent));
+  return ol.extent.returnOrUpdate(this.extent, opt_extent);
+};
+
+
+/**
+ * @return {Array.<Array.<Array.<ol.Coordinate>>>} Ringss.
+ */
+ol.geom.MultiPolygon.prototype.getRingss = function() {
+  return this.ringss_;
+};
+
+
+/**
+ * @inheritDoc
+ */
+ol.geom.MultiPolygon.prototype.getType = function() {
+  return ol.geom.GeometryType.MULTI_POLYGON;
+};
+
+
+/**
+ * @param {Array.<Array.<Array.<ol.Coordinate>>>} ringss Ringss.
+ */
+ol.geom.MultiPolygon.prototype.setRingss = function(ringss) {
+  this.ringss_ = ringss;
+  this.dispatchChangeEvent();
+};