From b2a93dcda7bf2b91eadf73dfd43114dc9ce1020e Mon Sep 17 00:00:00 2001
From: Tom Payne <twpayne@gmail.com>
Date: Sat, 30 Nov 2013 19:28:00 +0100
Subject: [PATCH] Add ol.geom.LinearRing

---
 src/ol/geom/geometry.js        |  1 +
 src/ol/geom/linearring.exports |  4 +++
 src/ol/geom/linearring.js      | 48 ++++++++++++++++++++++++++++++++++
 3 files changed, 53 insertions(+)
 create mode 100644 src/ol/geom/linearring.exports
 create mode 100644 src/ol/geom/linearring.js

diff --git a/src/ol/geom/geometry.js b/src/ol/geom/geometry.js
index bed5760b08..334d43c701 100644
--- a/src/ol/geom/geometry.js
+++ b/src/ol/geom/geometry.js
@@ -16,6 +16,7 @@ goog.require('ol.geom.flat');
 ol.geom.Type = {
   POINT: 'Point',
   LINE_STRING: 'LineString',
+  LINEAR_RING: 'LinearRing',
   POLYGON: 'Polygon',
   MULTI_POINT: 'MultiPoint',
   MULTI_LINE_STRING: 'MultiLineString',
diff --git a/src/ol/geom/linearring.exports b/src/ol/geom/linearring.exports
new file mode 100644
index 0000000000..59792c22b9
--- /dev/null
+++ b/src/ol/geom/linearring.exports
@@ -0,0 +1,4 @@
+@exportSymbol ol.geom.LinearRing
+@exportProperty ol.geom.LinearRing.prototype.getCoordinates
+@exportProperty ol.geom.LinearRing.prototype.getType
+@exportProperty ol.geom.LinearRing.prototype.setCoordinates
diff --git a/src/ol/geom/linearring.js b/src/ol/geom/linearring.js
new file mode 100644
index 0000000000..555c91d516
--- /dev/null
+++ b/src/ol/geom/linearring.js
@@ -0,0 +1,48 @@
+goog.provide('ol.geom.LinearRing');
+
+goog.require('ol.geom.Geometry');
+goog.require('ol.geom.flat');
+
+
+
+/**
+ * @constructor
+ * @extends {ol.geom.Geometry}
+ * @param {ol.geom.RawLinearRing} coordinates Coordinates.
+ * @param {ol.geom.Layout=} opt_layout Layout.
+ */
+ol.geom.LinearRing = function(coordinates, opt_layout) {
+  goog.base(this);
+  this.setCoordinates(coordinates, opt_layout);
+};
+goog.inherits(ol.geom.LinearRing, ol.geom.Geometry);
+
+
+/**
+ * @return {ol.geom.RawLinearRing} Coordinates.
+ */
+ol.geom.LinearRing.prototype.getCoordinates = function() {
+  return ol.geom.flat.inflateCoordinates(
+      this.flatCoordinates, 0, this.flatCoordinates.length, this.stride);
+};
+
+
+/**
+ * @inheritDoc
+ */
+ol.geom.LinearRing.prototype.getType = function() {
+  return ol.geom.Type.LINEAR_RING;
+};
+
+
+/**
+ * @param {ol.geom.RawLinearRing} coordinates Coordinates.
+ * @param {ol.geom.Layout=} opt_layout Layout.
+ */
+ol.geom.LinearRing.prototype.setCoordinates =
+    function(coordinates, opt_layout) {
+  this.setLayout(opt_layout, coordinates, 1);
+  ol.geom.flat.deflateCoordinates(
+      this.flatCoordinates, 0, coordinates, this.stride);
+  this.dispatchChangeEvent();
+};