Import libtess.js

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+/**
+ * Copyright 2000, Silicon Graphics, Inc. All Rights Reserved.
+ * Copyright 2012, Google Inc. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice including the dates of first publication and
+ * either this permission notice or a reference to http://oss.sgi.com/projects/FreeB/
+ * shall be included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
+ * IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Original Code. The Original Code is: OpenGL Sample Implementation,
+ * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics,
+ * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc.
+ * Copyright in any portions created by third parties is as indicated
+ * elsewhere herein. All Rights Reserved.
+ */
+
+/**
+ * @author Eric Veach, July 1994
+ * @author Brendan Kenny
+ */
+
+// require libtess
+// require libtess.GluHalfEdge
+// require libtess.GluTesselator
+/*global libtess */
+
+// TODO(bckenny): Used only in private functions of render.js
+
+/**
+ * This structure remembers the information we need about a primitive
+ * to be able to render it later, once we have determined which
+ * primitive is able to use the most triangles.
+  *
+ * @constructor
+ * @param {number} size [description]
+ * @param {libtess.GluHalfEdge} eStart [description]
+ * @param {!function(libtess.GluTesselator, libtess.GluHalfEdge, number)} renderFunction [description]
+ */
+libtess.FaceCount = function(size, eStart, renderFunction) {
+  /**
+   * The number of triangles used.
+   * @type {number}
+   */
+  this.size = size;
+
+  /**
+   * The edge where this primitive starts.
+   * @type {libtess.GluHalfEdge}
+   */
+  this.eStart = eStart;
+
+  /**
+   * The routine to render this primitive.
+   * @type {!function(libtess.GluTesselator, libtess.GluHalfEdge, number)}
+   */
+  this.render = renderFunction;
+};