| /*------------------------------------------------------------------------- |
| * drawElements Quality Program OpenGL ES Utilities |
| * ------------------------------------------------ |
| * |
| * Copyright 2014 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| |
| 'use strict'; |
| goog.provide('framework.delibs.debase.deUtil'); |
| goog.require('framework.delibs.debase.deMath'); |
| |
| goog.scope(function() { |
| |
| var deUtil = framework.delibs.debase.deUtil; |
| var deMath = framework.delibs.debase.deMath; |
| |
| //! Get an element of an array with a specified size. |
| /** |
| * @param {Array} array |
| * @param {number} offset |
| * @return {*} |
| */ |
| deUtil.getArrayElement = function(array, offset) { |
| assertMsgOptions(deMath.deInBounds32(offset, 0, array.length), 'Array element out of bounds', false, true); |
| return array[offset]; |
| }; |
| |
| /** |
| * clone - If you need to pass/assign an object by value, call this |
| * @param {*} obj |
| * @return {*} |
| */ |
| deUtil.clone = function(obj) { |
| if (obj == null || typeof(obj) != 'object') |
| return obj; |
| |
| var temp = {}; |
| if (ArrayBuffer.isView(obj)) { |
| temp = new obj.constructor(obj); |
| } else if (obj instanceof Array) { |
| temp = new Array(obj.length); |
| for (var akey in obj) |
| temp[akey] = deUtil.clone(obj[akey]); |
| } else if (obj instanceof ArrayBuffer) { |
| temp = new ArrayBuffer(obj.byteLength); |
| var dst = new Uint8Array(temp); |
| var src = new Uint8Array(obj); |
| dst.set(src); |
| } else { |
| temp = Object.create(obj.constructor.prototype); |
| temp.constructor = obj.constructor; |
| for (var key in obj) |
| temp[key] = deUtil.clone(obj[key]); |
| } |
| return temp; |
| }; |
| |
| /** |
| * Add a push_unique function to Array. Will insert only if there is no equal element. |
| * @template T |
| * @param {Array<T>} array Any array |
| * @param {T} object Any object |
| */ |
| deUtil.dePushUniqueToArray = function(array, object) { |
| //Simplest implementation |
| for (var i = 0; i < array.length; i++) { |
| if (object.equals !== undefined) |
| if (object.equals(array[i])) |
| return undefined; |
| else if (object === array[i]) |
| return undefined; |
| } |
| |
| array.push(object); |
| }; |
| |
| }); |