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/** * Copyright 2016 Boris Seang * * 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. */ zxing = { version: "0.0.1" }; // Most utilities from Leaflet, BSD license. zxing.Util = { // extend an object with properties of one or more other objects extend: function (dest) { var i, j, len, src; for (j = 1, len = arguments.length; j < len; j++) { src = arguments[j]; for (i in src) { dest[i] = src[i]; } } return dest; }, // create an object from a given prototype create: Object.create || (function () { function F() {} return function (proto) { F.prototype = proto; return new F(); }; })(), // bind a function to be called with a given context bind: function (fn, obj) { var slice = Array.prototype.slice; if (fn.bind) { return fn.bind.apply(fn, slice.call(arguments, 1)); } var args = slice.call(arguments, 2); return function () { return fn.apply(obj, args.length ? args.concat(slice.call(arguments)) : arguments); }; } }; // shortcuts for most used utility functions zxing.extend = zxing.Util.extend; zxing.bind = zxing.Util.bind; /* * zxing.Class powers the OOP facilities of the library. */ zxing.Class = function () {}; zxing.Class.extend = function (props) { // extended class with the new prototype var NewClass = function () { // call the constructor if (this.initialize) { this.initialize.apply(this, arguments); } // call all constructor hooks this.callInitHooks(); }; var parentProto = NewClass.__super__ = this.prototype; var proto = zxing.Util.create(parentProto); proto.constructor = NewClass; NewClass.prototype = proto; // inherit parent's statics for (var i in this) { if (this.hasOwnProperty(i) && i !== "prototype") { NewClass[i] = this[i]; } } // mix static properties into the class if (props.statics) { zxing.extend(NewClass, props.statics); delete props.statics; } // mix includes into the prototype if (props.includes) { zxing.extend.apply(null, [proto].concat(props.includes)); delete props.includes; } // merge options if (proto.options) { props.options = zxing.extend(zxing.Util.create(proto.options), props.options); } // mix given properties into the prototype zxing.extend(proto, props); proto._initHooks = []; // add method for calling all hooks proto.callInitHooks = function () { if (this._initHooksCalled) { return; } if (parentProto.callInitHooks) { parentProto.callInitHooks.call(this); } this._initHooksCalled = true; for (var i = 0, len = proto._initHooks.length; i < len; i++) { proto._initHooks[i].call(this); } }; return NewClass; }; zxing.decode = function (canvas, options) { }; zxing._getLuminance = function () { };

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