Files
openlayers/src/libtess.js/priorityq/PQNode.js
2013-10-01 15:14:12 +02:00

85 lines
2.8 KiB
JavaScript

/**
* 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 ericv@cs.stanford.edu (Eric Veach)
* @author bckenny@google.com (Brendan Kenny)
*/
// require libtess
/*global libtess */
goog.provide('libtess.PQNode');
goog.require('libtess');
// TODO(bckenny): maybe just have these created inline as literals
// (or unboxed directly - PQHandle is just an array index number)
/**
* [PQNode description]
* @constructor
*/
libtess.PQNode = function() {
/**
* [handle description]
* @type {libtess.PQHandle}
*/
this.handle = 0;
};
/**
* Allocate a PQNode array of size size. If oldArray is not null, its contents
* are copied to the beginning of the new array. The rest of the array is
* filled with new PQNodes.
*
* @param {?Array.<libtess.PQNode>} oldArray [description].
* @param {number} size [description].
* @return {Array.<libtess.PQNode>} [description].
*/
libtess.PQNode.realloc = function(oldArray, size) {
var newArray = new Array(size);
// TODO(bckenny): better to reallocate array? or grow array?
var index = 0;
if (oldArray !== null) {
for (; index < oldArray.length; index++) {
newArray[index] = oldArray[index];
}
}
for (; index < size; index++) {
newArray[index] = new libtess.PQNode();
}
return newArray;
};