Point, linestring, and linearring coordinates as Float32Array

src/ol/geom/polygon.js

@@ -1,19 +1,41 @@
 goog.provide('ol.geom.Polygon');
 
+goog.require('goog.asserts');
+goog.require('goog.vec.Float32Array');
+goog.require('ol.geom.CoordinateArray');
 goog.require('ol.geom.Geometry');
+goog.require('ol.geom.LinearRing');
 
 
 
 /**
  * @constructor
  * @implements {ol.geom.Geometry}
- * @param {Array} coordinates Coordinates array.
+ * @param {Array.<ol.geom.CoordinateArray>} coordinates Array of rings.  First
+ *    is outer, any remaining are inner.
  */
 ol.geom.Polygon = function(coordinates) {
 
+  var numRings = coordinates.length,
+      dimension;
+
   /**
-   * @type {Array}
+   * @type {Array.<ol.geom.LinearRing>}
    */
-  this.coordinates = coordinates;
+  this.rings = new Array(numRings);
+  for (var i = 0; i < numRings; ++i) {
+    this.rings[i] = new ol.geom.LinearRing(coordinates[i]);
+    if (!goog.isDef(dimension)) {
+      dimension = this.rings[i].dimension;
+    } else {
+      goog.asserts.assert(this.rings[i].dimension === dimension);
+    }
+  }
+
+  /**
+   * @type {number}
+   */
+  this.dimension = dimension;
+  goog.asserts.assert(this.dimension >= 2);
 
 };