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

92 lines
3.0 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.PQHandleElem');
goog.require('libtess');
// TODO(bckenny): more specific typing on key
/**
* [PQHandleElem description]
* @constructor
*/
libtess.PQHandleElem = function() {
// TODO(bckenny): if key could instead be an indexed into another store, makes heap storage a lot easier
/**
* [key description]
* @type {libtess.PQKey}
*/
this.key = null;
/**
* [node description]
* @type {libtess.PQHandle}
*/
this.node = 0;
};
/**
* Allocate a PQHandleElem 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 PQHandleElems.
*
* @param {?Array.<libtess.PQHandleElem>} oldArray [description].
* @param {number} size [description].
* @return {Array.<libtess.PQHandleElem>} [description].
*/
libtess.PQHandleElem.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.PQHandleElem();
}
return newArray;
};