Factor out ol.geom.flat.center

src/ol/geom/flat/centerflatgeom.js

@@ -0,0 +1,26 @@
+goog.provide('ol.geom.flat.center');
+
+goog.require('ol.extent');
+
+
+/**
+ * @param {Array.<number>} flatCoordinates Flat coordinates.
+ * @param {number} offset Offset.
+ * @param {Array.<Array.<number>>} endss Endss.
+ * @param {number} stride Stride.
+ * @return {Array.<number>} Flat centers.
+ */
+ol.geom.flat.center.linearRingss =
+    function(flatCoordinates, offset, endss, stride) {
+  var flatCenters = [];
+  var i, ii;
+  var extent = ol.extent.createEmpty();
+  for (i = 0, ii = endss.length; i < ii; ++i) {
+    var ends = endss[i];
+    extent = ol.extent.createOrUpdateFromFlatCoordinates(
+        flatCoordinates, offset, ends[0], stride);
+    flatCenters.push((extent[0] + extent[2]) / 2, (extent[1] + extent[3]) / 2);
+    offset = ends[ends.length - 1];
+  }
+  return flatCenters;
+};

src/ol/geom/flatgeom.js

@@ -1,26 +1 @@
 goog.provide('ol.geom.flat');
-
-goog.require('ol.extent');
-
-
-/**
- * @param {Array.<number>} flatCoordinates Flat coordinates.
- * @param {number} offset Offset.
- * @param {Array.<Array.<number>>} endss Endss.
- * @param {number} stride Stride.
- * @return {Array.<number>} Flat centers.
- */
-ol.geom.flat.linearRingssGetFlatCenters =
-    function(flatCoordinates, offset, endss, stride) {
-  var flatCenters = [];
-  var i, ii;
-  var extent = ol.extent.createEmpty();
-  for (i = 0, ii = endss.length; i < ii; ++i) {
-    var ends = endss[i];
-    extent = ol.extent.createOrUpdateFromFlatCoordinates(
-        flatCoordinates, offset, ends[0], stride);
-    flatCenters.push((extent[0] + extent[2]) / 2, (extent[1] + extent[3]) / 2);
-    offset = ends[ends.length - 1];
-  }
-  return flatCenters;
-};

src/ol/geom/multipolygon.js

@@ -9,6 +9,7 @@ goog.require('ol.geom.Polygon');
 goog.require('ol.geom.SimpleGeometry');
 goog.require('ol.geom.flat');
 goog.require('ol.geom.flat.area');
+goog.require('ol.geom.flat.center');
 goog.require('ol.geom.flat.closest');
 goog.require('ol.geom.flat.contains');
 goog.require('ol.geom.flat.deflate');
@@ -176,7 +177,7 @@ ol.geom.MultiPolygon.prototype.getEndss = function() {
  */
 ol.geom.MultiPolygon.prototype.getFlatInteriorPoints = function() {
   if (this.flatInteriorPointsRevision_ != this.getRevision()) {
-    var flatCenters = ol.geom.flat.linearRingssGetFlatCenters(
+    var flatCenters = ol.geom.flat.center.linearRingss(
         this.flatCoordinates, 0, this.endss_, this.stride);
     this.flatInteriorPoints_ = ol.geom.flat.interiorpoint.linearRingss(
         this.getOrientedFlatCoordinates(), 0, this.endss_, this.stride,