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12949 lines
362 KiB
JavaScript
12949 lines
362 KiB
JavaScript
(function webpackUniversalModuleDefinition(root, factory) {
|
|
if(typeof exports === 'object' && typeof module === 'object')
|
|
module.exports = factory(factory.toString());
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|
else if(typeof exports === 'object')
|
|
exports["Quagga"] = factory(factory.toString());
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|
else
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|
root["Quagga"] = factory(factory.toString());
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|
})(this, function(__factorySource__) {
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|
return /******/ (function(modules) { // webpackBootstrap
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|
/******/ // The module cache
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|
/******/ var installedModules = {};
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|
/******/
|
|
/******/ // The require function
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/******/ function __webpack_require__(moduleId) {
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/******/
|
|
/******/ // Check if module is in cache
|
|
/******/ if(installedModules[moduleId])
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/******/ return installedModules[moduleId].exports;
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|
/******/
|
|
/******/ // Create a new module (and put it into the cache)
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|
/******/ var module = installedModules[moduleId] = {
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|
/******/ exports: {},
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|
/******/ id: moduleId,
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|
/******/ loaded: false
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|
/******/ };
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|
/******/
|
|
/******/ // Execute the module function
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/******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
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/******/
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|
/******/ // Flag the module as loaded
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|
/******/ module.loaded = true;
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|
/******/
|
|
/******/ // Return the exports of the module
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|
/******/ return module.exports;
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/******/ }
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/******/
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/******/
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|
/******/ // expose the modules object (__webpack_modules__)
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/******/ __webpack_require__.m = modules;
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/******/
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/******/ // expose the module cache
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/******/ __webpack_require__.c = installedModules;
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/******/
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/******/ // __webpack_public_path__
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/******/ __webpack_require__.p = "/";
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/******/
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/******/ // Load entry module and return exports
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/******/ return __webpack_require__(0);
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/******/ })
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/************************************************************************/
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/******/ ([
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/* 0 */
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/***/ function(module, exports, __webpack_require__) {
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module.exports = __webpack_require__(1);
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/***/ },
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/* 1 */
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/***/ function(module, exports, __webpack_require__) {
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'use strict';
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|
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Object.defineProperty(exports, '__esModule', {
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value: true
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});
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }
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|
|
var _typedefs = __webpack_require__(2);
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var _typedefs2 = _interopRequireDefault(_typedefs);
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// eslint-disable-line no-unused-vars
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var _image_wrapper = __webpack_require__(3);
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var _image_wrapper2 = _interopRequireDefault(_image_wrapper);
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var _barcode_locator = __webpack_require__(18);
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var _barcode_locator2 = _interopRequireDefault(_barcode_locator);
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|
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var _barcode_decoder = __webpack_require__(23);
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|
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var _barcode_decoder2 = _interopRequireDefault(_barcode_decoder);
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|
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var _config2 = __webpack_require__(68);
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var _config3 = _interopRequireDefault(_config2);
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var _events = __webpack_require__(69);
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var _events2 = _interopRequireDefault(_events);
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var _camera_access = __webpack_require__(70);
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var _camera_access2 = _interopRequireDefault(_camera_access);
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var _image_debug = __webpack_require__(22);
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var _image_debug2 = _interopRequireDefault(_image_debug);
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var _glMatrix = __webpack_require__(7);
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var _result_collector = __webpack_require__(71);
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|
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var _result_collector2 = _interopRequireDefault(_result_collector);
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var merge = __webpack_require__(35);
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var InputStream = __webpack_require__(72);
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var FrameGrabber = __webpack_require__(74);
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var _inputStream,
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_framegrabber,
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_stopped,
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_canvasContainer = {
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ctx: {
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image: null,
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overlay: null
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},
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dom: {
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image: null,
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overlay: null
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}
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},
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_inputImageWrapper,
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_boxSize,
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_decoder,
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_workerPool = [],
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_onUIThread = true,
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_resultCollector,
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_config = {};
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function initializeData(imageWrapper) {
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initBuffers(imageWrapper);
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_decoder = _barcode_decoder2['default'].create(_config.decoder, _inputImageWrapper);
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}
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function initConfig() {
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if (typeof document !== "undefined") {
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var vis = [{
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node: document.querySelector("div[data-controls]"),
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prop: _config.controls
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}, {
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node: _canvasContainer.dom.overlay,
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prop: _config.visual.show
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}];
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for (var i = 0; i < vis.length; i++) {
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if (vis[i].node) {
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if (vis[i].prop === true) {
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vis[i].node.style.display = "block";
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} else {
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vis[i].node.style.display = "none";
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}
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}
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}
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}
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}
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function initInputStream(cb) {
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var video;
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if (_config.inputStream.type === "VideoStream") {
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video = document.createElement("video");
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_inputStream = InputStream.createVideoStream(video);
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} else if (_config.inputStream.type === "ImageStream") {
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_inputStream = InputStream.createImageStream();
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} else if (_config.inputStream.type === "LiveStream") {
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var $viewport = document.querySelector("#interactive.viewport");
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if ($viewport) {
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video = $viewport.querySelector("video");
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if (!video) {
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video = document.createElement("video");
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$viewport.appendChild(video);
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}
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}
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_inputStream = InputStream.createLiveStream(video);
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_camera_access2['default'].request(video, _config.inputStream.constraints, function (err) {
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if (!err) {
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_inputStream.trigger("canrecord");
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} else {
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return cb(err);
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}
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});
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}
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_inputStream.setAttribute("preload", "auto");
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_inputStream.setAttribute("autoplay", true);
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_inputStream.setInputStream(_config.inputStream);
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_inputStream.addEventListener("canrecord", canRecord.bind(undefined, cb));
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}
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function canRecord(cb) {
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_barcode_locator2['default'].checkImageConstraints(_inputStream, _config.locator);
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initCanvas();
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_framegrabber = FrameGrabber.create(_inputStream, _canvasContainer.dom.image);
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initConfig();
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if (_config.numOfWorkers > 0) {
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initWorkers(function () {
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console.log("Workers created");
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ready(cb);
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});
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} else {
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initializeData();
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ready(cb);
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}
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}
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function ready(cb) {
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_inputStream.play();
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cb();
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}
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function initCanvas() {
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if (typeof document !== "undefined") {
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var $viewport = document.querySelector("#interactive.viewport");
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_canvasContainer.dom.image = document.querySelector("canvas.imgBuffer");
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if (!_canvasContainer.dom.image) {
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_canvasContainer.dom.image = document.createElement("canvas");
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_canvasContainer.dom.image.className = "imgBuffer";
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if ($viewport && _config.inputStream.type === "ImageStream") {
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$viewport.appendChild(_canvasContainer.dom.image);
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}
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}
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_canvasContainer.ctx.image = _canvasContainer.dom.image.getContext("2d");
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_canvasContainer.dom.image.width = _inputStream.getCanvasSize().x;
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_canvasContainer.dom.image.height = _inputStream.getCanvasSize().y;
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_canvasContainer.dom.overlay = document.querySelector("canvas.drawingBuffer");
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if (!_canvasContainer.dom.overlay) {
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_canvasContainer.dom.overlay = document.createElement("canvas");
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|
_canvasContainer.dom.overlay.className = "drawingBuffer";
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|
if ($viewport) {
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|
$viewport.appendChild(_canvasContainer.dom.overlay);
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}
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var clearFix = document.createElement("br");
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clearFix.setAttribute("clear", "all");
|
|
if ($viewport) {
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$viewport.appendChild(clearFix);
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}
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}
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_canvasContainer.ctx.overlay = _canvasContainer.dom.overlay.getContext("2d");
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_canvasContainer.dom.overlay.width = _inputStream.getCanvasSize().x;
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_canvasContainer.dom.overlay.height = _inputStream.getCanvasSize().y;
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}
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}
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function initBuffers(imageWrapper) {
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if (imageWrapper) {
|
|
_inputImageWrapper = imageWrapper;
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|
} else {
|
|
_inputImageWrapper = new _image_wrapper2['default']({
|
|
x: _inputStream.getWidth(),
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|
y: _inputStream.getHeight()
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});
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}
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|
|
console.log(_inputImageWrapper.size);
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|
_boxSize = [_glMatrix.vec2.clone([0, 0]), _glMatrix.vec2.clone([0, _inputImageWrapper.size.y]), _glMatrix.vec2.clone([_inputImageWrapper.size.x, _inputImageWrapper.size.y]), _glMatrix.vec2.clone([_inputImageWrapper.size.x, 0])];
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|
_barcode_locator2['default'].init(_inputImageWrapper, _config.locator);
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|
}
|
|
|
|
function getBoundingBoxes() {
|
|
if (_config.locate) {
|
|
return _barcode_locator2['default'].locate();
|
|
} else {
|
|
return [[_glMatrix.vec2.clone(_boxSize[0]), _glMatrix.vec2.clone(_boxSize[1]), _glMatrix.vec2.clone(_boxSize[2]), _glMatrix.vec2.clone(_boxSize[3])]];
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|
}
|
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}
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|
|
|
function transformResult(result) {
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|
var topRight = _inputStream.getTopRight(),
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|
xOffset = topRight.x,
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|
yOffset = topRight.y,
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|
i;
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|
|
|
if (!result || xOffset === 0 && yOffset === 0) {
|
|
return;
|
|
}
|
|
|
|
if (result.line && result.line.length === 2) {
|
|
moveLine(result.line);
|
|
}
|
|
if (result.boxes && result.boxes.length > 0) {
|
|
for (i = 0; i < result.boxes.length; i++) {
|
|
moveBox(result.boxes[i]);
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|
}
|
|
}
|
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|
function moveBox(box) {
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|
var corner = box.length;
|
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|
while (corner--) {
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|
box[corner][0] += xOffset;
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|
box[corner][1] += yOffset;
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}
|
|
}
|
|
|
|
function moveLine(line) {
|
|
line[0].x += xOffset;
|
|
line[0].y += yOffset;
|
|
line[1].x += xOffset;
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|
line[1].y += yOffset;
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|
}
|
|
}
|
|
|
|
function publishResult(result, imageData) {
|
|
if (_onUIThread) {
|
|
transformResult(result);
|
|
if (imageData && result && result.codeResult) {
|
|
if (_resultCollector) {
|
|
_resultCollector.addResult(imageData, _inputStream.getCanvasSize(), result.codeResult);
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|
}
|
|
}
|
|
}
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|
|
|
_events2['default'].publish("processed", result);
|
|
if (result && result.codeResult) {
|
|
_events2['default'].publish("detected", result);
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|
}
|
|
}
|
|
|
|
function locateAndDecode() {
|
|
var result, boxes;
|
|
|
|
boxes = getBoundingBoxes();
|
|
if (boxes) {
|
|
result = _decoder.decodeFromBoundingBoxes(boxes);
|
|
result = result || {};
|
|
result.boxes = boxes;
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|
publishResult(result, _inputImageWrapper.data);
|
|
} else {
|
|
publishResult();
|
|
}
|
|
}
|
|
|
|
function update() {
|
|
var availableWorker;
|
|
|
|
if (_onUIThread) {
|
|
if (_workerPool.length > 0) {
|
|
availableWorker = _workerPool.filter(function (workerThread) {
|
|
return !workerThread.busy;
|
|
})[0];
|
|
if (availableWorker) {
|
|
_framegrabber.attachData(availableWorker.imageData);
|
|
} else {
|
|
return; // all workers are busy
|
|
}
|
|
} else {
|
|
_framegrabber.attachData(_inputImageWrapper.data);
|
|
}
|
|
if (_framegrabber.grab()) {
|
|
if (availableWorker) {
|
|
availableWorker.busy = true;
|
|
availableWorker.worker.postMessage({
|
|
cmd: 'process',
|
|
imageData: availableWorker.imageData
|
|
}, [availableWorker.imageData.buffer]);
|
|
} else {
|
|
locateAndDecode();
|
|
}
|
|
}
|
|
} else {
|
|
locateAndDecode();
|
|
}
|
|
}
|
|
|
|
function _start() {
|
|
_stopped = false;
|
|
(function frame() {
|
|
if (!_stopped) {
|
|
update();
|
|
if (_onUIThread && _config.inputStream.type === "LiveStream") {
|
|
window.requestAnimFrame(frame);
|
|
}
|
|
}
|
|
})();
|
|
}
|
|
|
|
function initWorkers(cb) {
|
|
var i;
|
|
_workerPool = [];
|
|
|
|
for (i = 0; i < _config.numOfWorkers; i++) {
|
|
initWorker(workerInitialized);
|
|
}
|
|
|
|
function workerInitialized(workerThread) {
|
|
_workerPool.push(workerThread);
|
|
if (_workerPool.length >= _config.numOfWorkers) {
|
|
cb();
|
|
}
|
|
}
|
|
}
|
|
|
|
function initWorker(cb) {
|
|
var blobURL,
|
|
workerThread = {
|
|
worker: undefined,
|
|
imageData: new Uint8Array(_inputStream.getWidth() * _inputStream.getHeight()),
|
|
busy: true
|
|
};
|
|
|
|
blobURL = generateWorkerBlob();
|
|
workerThread.worker = new Worker(blobURL);
|
|
|
|
workerThread.worker.onmessage = function (e) {
|
|
if (e.data.event === 'initialized') {
|
|
URL.revokeObjectURL(blobURL);
|
|
workerThread.busy = false;
|
|
workerThread.imageData = new Uint8Array(e.data.imageData);
|
|
console.log("Worker initialized");
|
|
return cb(workerThread);
|
|
} else if (e.data.event === 'processed') {
|
|
workerThread.imageData = new Uint8Array(e.data.imageData);
|
|
workerThread.busy = false;
|
|
publishResult(e.data.result, workerThread.imageData);
|
|
} else if (e.data.event === 'error') {
|
|
console.log("Worker error: " + e.data.message);
|
|
}
|
|
};
|
|
|
|
workerThread.worker.postMessage({
|
|
cmd: 'init',
|
|
size: { x: _inputStream.getWidth(), y: _inputStream.getHeight() },
|
|
imageData: workerThread.imageData,
|
|
config: _config
|
|
}, [workerThread.imageData.buffer]);
|
|
}
|
|
|
|
function workerInterface(factory) {
|
|
/* eslint-disable no-undef*/
|
|
if (factory) {
|
|
var Quagga = factory();
|
|
if (!Quagga) {
|
|
self.postMessage({ 'event': 'error', message: 'Quagga could not be created' });
|
|
return;
|
|
}
|
|
}
|
|
var imageWrapper;
|
|
|
|
self.onmessage = function (e) {
|
|
if (e.data.cmd === 'init') {
|
|
var config = e.data.config;
|
|
config.numOfWorkers = 0;
|
|
imageWrapper = new Quagga.ImageWrapper({
|
|
x: e.data.size.x,
|
|
y: e.data.size.y
|
|
}, new Uint8Array(e.data.imageData));
|
|
Quagga.init(config, ready, imageWrapper);
|
|
Quagga.onProcessed(onProcessed);
|
|
} else if (e.data.cmd === 'process') {
|
|
imageWrapper.data = new Uint8Array(e.data.imageData);
|
|
Quagga.start();
|
|
} else if (e.data.cmd === 'setReaders') {
|
|
Quagga.setReaders(e.data.readers);
|
|
}
|
|
};
|
|
|
|
function onProcessed(result) {
|
|
self.postMessage({
|
|
'event': 'processed',
|
|
imageData: imageWrapper.data,
|
|
result: result
|
|
}, [imageWrapper.data.buffer]);
|
|
}
|
|
|
|
function ready() {
|
|
// eslint-disable-line
|
|
self.postMessage({ 'event': 'initialized', imageData: imageWrapper.data }, [imageWrapper.data.buffer]);
|
|
}
|
|
|
|
/* eslint-enable */
|
|
}
|
|
|
|
function generateWorkerBlob() {
|
|
var blob, factorySource;
|
|
|
|
/* jshint ignore:start */
|
|
if (typeof __factorySource__ !== 'undefined') {
|
|
factorySource = __factorySource__; // eslint-disable-line no-undef
|
|
}
|
|
/* jshint ignore:end */
|
|
|
|
blob = new Blob(['(' + workerInterface.toString() + ')(' + factorySource + ');'], { type: 'text/javascript' });
|
|
|
|
return window.URL.createObjectURL(blob);
|
|
}
|
|
|
|
function _setReaders(readers) {
|
|
if (_decoder) {
|
|
_decoder.setReaders(readers);
|
|
} else if (_onUIThread && _workerPool.length > 0) {
|
|
_workerPool.forEach(function (workerThread) {
|
|
workerThread.worker.postMessage({ cmd: 'setReaders', readers: readers });
|
|
});
|
|
}
|
|
}
|
|
|
|
exports['default'] = {
|
|
init: function init(config, cb, imageWrapper) {
|
|
_config = merge({}, _config3['default'], config);
|
|
if (imageWrapper) {
|
|
_onUIThread = false;
|
|
initializeData(imageWrapper);
|
|
return cb();
|
|
} else {
|
|
initInputStream(cb);
|
|
}
|
|
},
|
|
start: function start() {
|
|
_start();
|
|
},
|
|
stop: function stop() {
|
|
_stopped = true;
|
|
_workerPool.forEach(function (workerThread) {
|
|
workerThread.worker.terminate();
|
|
console.log("Worker terminated!");
|
|
});
|
|
_workerPool.length = 0;
|
|
if (_config.inputStream.type === "LiveStream") {
|
|
_camera_access2['default'].release();
|
|
_inputStream.clearEventHandlers();
|
|
}
|
|
},
|
|
pause: function pause() {
|
|
_stopped = true;
|
|
},
|
|
onDetected: function onDetected(callback) {
|
|
_events2['default'].subscribe("detected", callback);
|
|
},
|
|
offDetected: function offDetected(callback) {
|
|
_events2['default'].unsubscribe("detected", callback);
|
|
},
|
|
onProcessed: function onProcessed(callback) {
|
|
_events2['default'].subscribe("processed", callback);
|
|
},
|
|
offProcessed: function offProcessed(callback) {
|
|
_events2['default'].unsubscribe("processed", callback);
|
|
},
|
|
setReaders: function setReaders(readers) {
|
|
_setReaders(readers);
|
|
},
|
|
registerResultCollector: function registerResultCollector(resultCollector) {
|
|
if (resultCollector && typeof resultCollector.addResult === 'function') {
|
|
_resultCollector = resultCollector;
|
|
}
|
|
},
|
|
canvas: _canvasContainer,
|
|
decodeSingle: function decodeSingle(config, resultCallback) {
|
|
config = merge({
|
|
inputStream: {
|
|
type: "ImageStream",
|
|
sequence: false,
|
|
size: 800,
|
|
src: config.src
|
|
},
|
|
numOfWorkers: 1,
|
|
locator: {
|
|
halfSample: false
|
|
}
|
|
}, config);
|
|
this.init(config, function () {
|
|
_events2['default'].once("processed", function (result) {
|
|
_stopped = true;
|
|
resultCallback.call(null, result);
|
|
}, true);
|
|
_start();
|
|
});
|
|
},
|
|
ImageWrapper: _image_wrapper2['default'],
|
|
ImageDebug: _image_debug2['default'],
|
|
ResultCollector: _result_collector2['default']
|
|
};
|
|
module.exports = exports['default'];
|
|
|
|
/***/ },
|
|
/* 2 */
|
|
/***/ function(module, exports) {
|
|
|
|
/*
|
|
* typedefs.js
|
|
* Normalizes browser-specific prefixes
|
|
*/
|
|
|
|
'use strict';
|
|
|
|
if (typeof window !== 'undefined') {
|
|
window.requestAnimFrame = (function () {
|
|
return window.requestAnimationFrame || window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame || window.oRequestAnimationFrame || window.msRequestAnimationFrame || function ( /* function FrameRequestCallback */callback) {
|
|
window.setTimeout(callback, 1000 / 60);
|
|
};
|
|
})();
|
|
|
|
navigator.getUserMedia = navigator.getUserMedia || navigator.webkitGetUserMedia || navigator.mozGetUserMedia || navigator.msGetUserMedia;
|
|
window.URL = window.URL || window.webkitURL || window.mozURL || window.msURL;
|
|
}
|
|
Math.imul = Math.imul || function (a, b) {
|
|
var ah = a >>> 16 & 0xffff,
|
|
al = a & 0xffff,
|
|
bh = b >>> 16 & 0xffff,
|
|
bl = b & 0xffff;
|
|
// the shift by 0 fixes the sign on the high part
|
|
// the final |0 converts the unsigned value into a signed value
|
|
return al * bl + (ah * bl + al * bh << 16 >>> 0) | 0;
|
|
};
|
|
|
|
/***/ },
|
|
/* 3 */
|
|
/***/ function(module, exports, __webpack_require__) {
|
|
|
|
'use strict';
|
|
|
|
Object.defineProperty(exports, '__esModule', {
|
|
value: true
|
|
});
|
|
|
|
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }
|
|
|
|
var _subImage = __webpack_require__(4);
|
|
|
|
var _subImage2 = _interopRequireDefault(_subImage);
|
|
|
|
var _cv_utils = __webpack_require__(5);
|
|
|
|
var _cv_utils2 = _interopRequireDefault(_cv_utils);
|
|
|
|
var _array_helper = __webpack_require__(17);
|
|
|
|
var _array_helper2 = _interopRequireDefault(_array_helper);
|
|
|
|
var _glMatrix = __webpack_require__(7);
|
|
|
|
/**
|
|
* Represents a basic image combining the data and size.
|
|
* In addition, some methods for manipulation are contained.
|
|
* @param size {x,y} The size of the image in pixel
|
|
* @param data {Array} If given, a flat array containing the pixel data
|
|
* @param ArrayType {Type} If given, the desired DataType of the Array (may be typed/non-typed)
|
|
* @param initialize {Boolean} Indicating if the array should be initialized on creation.
|
|
* @returns {ImageWrapper}
|
|
*/
|
|
function ImageWrapper(size, data, ArrayType, initialize) {
|
|
if (!data) {
|
|
if (ArrayType) {
|
|
this.data = new ArrayType(size.x * size.y);
|
|
if (ArrayType === Array && initialize) {
|
|
_array_helper2['default'].init(this.data, 0);
|
|
}
|
|
} else {
|
|
this.data = new Uint8Array(size.x * size.y);
|
|
if (Uint8Array === Array && initialize) {
|
|
_array_helper2['default'].init(this.data, 0);
|
|
}
|
|
}
|
|
} else {
|
|
this.data = data;
|
|
}
|
|
this.size = size;
|
|
}
|
|
|
|
/**
|
|
* tests if a position is within the image with a given offset
|
|
* @param imgRef {x, y} The location to test
|
|
* @param border Number the padding value in pixel
|
|
* @returns {Boolean} true if location inside the image's border, false otherwise
|
|
* @see cvd/image.h
|
|
*/
|
|
ImageWrapper.prototype.inImageWithBorder = function (imgRef, border) {
|
|
return imgRef.x >= border && imgRef.y >= border && imgRef.x < this.size.x - border && imgRef.y < this.size.y - border;
|
|
};
|
|
|
|
/**
|
|
* Performs bilinear sampling
|
|
* @param inImg Image to extract sample from
|
|
* @param x the x-coordinate
|
|
* @param y the y-coordinate
|
|
* @returns the sampled value
|
|
* @see cvd/vision.h
|
|
*/
|
|
ImageWrapper.sample = function (inImg, x, y) {
|
|
var lx = Math.floor(x);
|
|
var ly = Math.floor(y);
|
|
var w = inImg.size.x;
|
|
var base = ly * inImg.size.x + lx;
|
|
var a = inImg.data[base + 0];
|
|
var b = inImg.data[base + 1];
|
|
var c = inImg.data[base + w];
|
|
var d = inImg.data[base + w + 1];
|
|
var e = a - b;
|
|
x -= lx;
|
|
y -= ly;
|
|
|
|
var result = Math.floor(x * (y * (e - c + d) - e) + y * (c - a) + a);
|
|
return result;
|
|
};
|
|
|
|
/**
|
|
* Initializes a given array. Sets each element to zero.
|
|
* @param array {Array} The array to initialize
|
|
*/
|
|
ImageWrapper.clearArray = function (array) {
|
|
var l = array.length;
|
|
while (l--) {
|
|
array[l] = 0;
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Creates a {SubImage} from the current image ({this}).
|
|
* @param from {ImageRef} The position where to start the {SubImage} from. (top-left corner)
|
|
* @param size {ImageRef} The size of the resulting image
|
|
* @returns {SubImage} A shared part of the original image
|
|
*/
|
|
ImageWrapper.prototype.subImage = function (from, size) {
|
|
return new _subImage2['default'](from, size, this);
|
|
};
|
|
|
|
/**
|
|
* Creates an {ImageWrapper) and copies the needed underlying image-data area
|
|
* @param imageWrapper {ImageWrapper} The target {ImageWrapper} where the data should be copied
|
|
* @param from {ImageRef} The location where to copy from (top-left location)
|
|
*/
|
|
ImageWrapper.prototype.subImageAsCopy = function (imageWrapper, from) {
|
|
var sizeY = imageWrapper.size.y,
|
|
sizeX = imageWrapper.size.x;
|
|
var x, y;
|
|
for (x = 0; x < sizeX; x++) {
|
|
for (y = 0; y < sizeY; y++) {
|
|
imageWrapper.data[y * sizeX + x] = this.data[(from.y + y) * this.size.x + from.x + x];
|
|
}
|
|
}
|
|
};
|
|
|
|
ImageWrapper.prototype.copyTo = function (imageWrapper) {
|
|
var length = this.data.length,
|
|
srcData = this.data,
|
|
dstData = imageWrapper.data;
|
|
|
|
while (length--) {
|
|
dstData[length] = srcData[length];
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Retrieves a given pixel position from the image
|
|
* @param x {Number} The x-position
|
|
* @param y {Number} The y-position
|
|
* @returns {Number} The grayscale value at the pixel-position
|
|
*/
|
|
ImageWrapper.prototype.get = function (x, y) {
|
|
return this.data[y * this.size.x + x];
|
|
};
|
|
|
|
/**
|
|
* Retrieves a given pixel position from the image
|
|
* @param x {Number} The x-position
|
|
* @param y {Number} The y-position
|
|
* @returns {Number} The grayscale value at the pixel-position
|
|
*/
|
|
ImageWrapper.prototype.getSafe = function (x, y) {
|
|
var i;
|
|
|
|
if (!this.indexMapping) {
|
|
this.indexMapping = {
|
|
x: [],
|
|
y: []
|
|
};
|
|
for (i = 0; i < this.size.x; i++) {
|
|
this.indexMapping.x[i] = i;
|
|
this.indexMapping.x[i + this.size.x] = i;
|
|
}
|
|
for (i = 0; i < this.size.y; i++) {
|
|
this.indexMapping.y[i] = i;
|
|
this.indexMapping.y[i + this.size.y] = i;
|
|
}
|
|
}
|
|
return this.data[this.indexMapping.y[y + this.size.y] * this.size.x + this.indexMapping.x[x + this.size.x]];
|
|
};
|
|
|
|
/**
|
|
* Sets a given pixel position in the image
|
|
* @param x {Number} The x-position
|
|
* @param y {Number} The y-position
|
|
* @param value {Number} The grayscale value to set
|
|
* @returns {ImageWrapper} The Image itself (for possible chaining)
|
|
*/
|
|
ImageWrapper.prototype.set = function (x, y, value) {
|
|
this.data[y * this.size.x + x] = value;
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Sets the border of the image (1 pixel) to zero
|
|
*/
|
|
ImageWrapper.prototype.zeroBorder = function () {
|
|
var i,
|
|
width = this.size.x,
|
|
height = this.size.y,
|
|
data = this.data;
|
|
for (i = 0; i < width; i++) {
|
|
data[i] = data[(height - 1) * width + i] = 0;
|
|
}
|
|
for (i = 1; i < height - 1; i++) {
|
|
data[i * width] = data[i * width + (width - 1)] = 0;
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Inverts a binary image in place
|
|
*/
|
|
ImageWrapper.prototype.invert = function () {
|
|
var data = this.data,
|
|
length = data.length;
|
|
|
|
while (length--) {
|
|
data[length] = data[length] ? 0 : 1;
|
|
}
|
|
};
|
|
|
|
ImageWrapper.prototype.convolve = function (kernel) {
|
|
var x,
|
|
y,
|
|
kx,
|
|
ky,
|
|
kSize = kernel.length / 2 | 0,
|
|
accu = 0;
|
|
for (y = 0; y < this.size.y; y++) {
|
|
for (x = 0; x < this.size.x; x++) {
|
|
accu = 0;
|
|
for (ky = -kSize; ky <= kSize; ky++) {
|
|
for (kx = -kSize; kx <= kSize; kx++) {
|
|
accu += kernel[ky + kSize][kx + kSize] * this.getSafe(x + kx, y + ky);
|
|
}
|
|
}
|
|
this.data[y * this.size.x + x] = accu;
|
|
}
|
|
}
|
|
};
|
|
|
|
ImageWrapper.prototype.moments = function (labelcount) {
|
|
var data = this.data,
|
|
x,
|
|
y,
|
|
height = this.size.y,
|
|
width = this.size.x,
|
|
val,
|
|
ysq,
|
|
labelsum = [],
|
|
i,
|
|
label,
|
|
mu11,
|
|
mu02,
|
|
mu20,
|
|
x_,
|
|
y_,
|
|
tmp,
|
|
result = [],
|
|
PI = Math.PI,
|
|
PI_4 = PI / 4;
|
|
|
|
if (labelcount <= 0) {
|
|
return result;
|
|
}
|
|
|
|
for (i = 0; i < labelcount; i++) {
|
|
labelsum[i] = {
|
|
m00: 0,
|
|
m01: 0,
|
|
m10: 0,
|
|
m11: 0,
|
|
m02: 0,
|
|
m20: 0,
|
|
theta: 0,
|
|
rad: 0
|
|
};
|
|
}
|
|
|
|
for (y = 0; y < height; y++) {
|
|
ysq = y * y;
|
|
for (x = 0; x < width; x++) {
|
|
val = data[y * width + x];
|
|
if (val > 0) {
|
|
label = labelsum[val - 1];
|
|
label.m00 += 1;
|
|
label.m01 += y;
|
|
label.m10 += x;
|
|
label.m11 += x * y;
|
|
label.m02 += ysq;
|
|
label.m20 += x * x;
|
|
}
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < labelcount; i++) {
|
|
label = labelsum[i];
|
|
if (!isNaN(label.m00) && label.m00 !== 0) {
|
|
x_ = label.m10 / label.m00;
|
|
y_ = label.m01 / label.m00;
|
|
mu11 = label.m11 / label.m00 - x_ * y_;
|
|
mu02 = label.m02 / label.m00 - y_ * y_;
|
|
mu20 = label.m20 / label.m00 - x_ * x_;
|
|
tmp = (mu02 - mu20) / (2 * mu11);
|
|
tmp = 0.5 * Math.atan(tmp) + (mu11 >= 0 ? PI_4 : -PI_4) + PI;
|
|
label.theta = (tmp * 180 / PI + 90) % 180 - 90;
|
|
if (label.theta < 0) {
|
|
label.theta += 180;
|
|
}
|
|
label.rad = tmp > PI ? tmp - PI : tmp;
|
|
label.vec = _glMatrix.vec2.clone([Math.cos(tmp), Math.sin(tmp)]);
|
|
result.push(label);
|
|
}
|
|
}
|
|
|
|
return result;
|
|
};
|
|
|
|
/**
|
|
* Displays the {ImageWrapper} in a given canvas
|
|
* @param canvas {Canvas} The canvas element to write to
|
|
* @param scale {Number} Scale which is applied to each pixel-value
|
|
*/
|
|
ImageWrapper.prototype.show = function (canvas, scale) {
|
|
var ctx, frame, data, current, pixel, x, y;
|
|
|
|
if (!scale) {
|
|
scale = 1.0;
|
|
}
|
|
ctx = canvas.getContext('2d');
|
|
canvas.width = this.size.x;
|
|
canvas.height = this.size.y;
|
|
frame = ctx.getImageData(0, 0, canvas.width, canvas.height);
|
|
data = frame.data;
|
|
current = 0;
|
|
for (y = 0; y < this.size.y; y++) {
|
|
for (x = 0; x < this.size.x; x++) {
|
|
pixel = y * this.size.x + x;
|
|
current = this.get(x, y) * scale;
|
|
data[pixel * 4 + 0] = current;
|
|
data[pixel * 4 + 1] = current;
|
|
data[pixel * 4 + 2] = current;
|
|
data[pixel * 4 + 3] = 255;
|
|
}
|
|
}
|
|
//frame.data = data;
|
|
ctx.putImageData(frame, 0, 0);
|
|
};
|
|
|
|
/**
|
|
* Displays the {SubImage} in a given canvas
|
|
* @param canvas {Canvas} The canvas element to write to
|
|
* @param scale {Number} Scale which is applied to each pixel-value
|
|
*/
|
|
ImageWrapper.prototype.overlay = function (canvas, scale, from) {
|
|
if (!scale || scale < 0 || scale > 360) {
|
|
scale = 360;
|
|
}
|
|
var hsv = [0, 1, 1];
|
|
var rgb = [0, 0, 0];
|
|
var whiteRgb = [255, 255, 255];
|
|
var blackRgb = [0, 0, 0];
|
|
var result = [];
|
|
var ctx = canvas.getContext('2d');
|
|
var frame = ctx.getImageData(from.x, from.y, this.size.x, this.size.y);
|
|
var data = frame.data;
|
|
var length = this.data.length;
|
|
while (length--) {
|
|
hsv[0] = this.data[length] * scale;
|
|
result = hsv[0] <= 0 ? whiteRgb : hsv[0] >= 360 ? blackRgb : _cv_utils2['default'].hsv2rgb(hsv, rgb);
|
|
data[length * 4 + 0] = result[0];
|
|
data[length * 4 + 1] = result[1];
|
|
data[length * 4 + 2] = result[2];
|
|
data[length * 4 + 3] = 255;
|
|
}
|
|
ctx.putImageData(frame, from.x, from.y);
|
|
};
|
|
|
|
exports['default'] = ImageWrapper;
|
|
module.exports = exports['default'];
|
|
|
|
/***/ },
|
|
/* 4 */
|
|
/***/ function(module, exports) {
|
|
|
|
/**
|
|
* Construct representing a part of another {ImageWrapper}. Shares data
|
|
* between the parent and the child.
|
|
* @param from {ImageRef} The position where to start the {SubImage} from. (top-left corner)
|
|
* @param size {ImageRef} The size of the resulting image
|
|
* @param I {ImageWrapper} The {ImageWrapper} to share from
|
|
* @returns {SubImage} A shared part of the original image
|
|
*/
|
|
'use strict';
|
|
|
|
Object.defineProperty(exports, '__esModule', {
|
|
value: true
|
|
});
|
|
function SubImage(from, size, I) {
|
|
if (!I) {
|
|
I = {
|
|
data: null,
|
|
size: size
|
|
};
|
|
}
|
|
this.data = I.data;
|
|
this.originalSize = I.size;
|
|
this.I = I;
|
|
|
|
this.from = from;
|
|
this.size = size;
|
|
}
|
|
|
|
/**
|
|
* Displays the {SubImage} in a given canvas
|
|
* @param canvas {Canvas} The canvas element to write to
|
|
* @param scale {Number} Scale which is applied to each pixel-value
|
|
*/
|
|
SubImage.prototype.show = function (canvas, scale) {
|
|
var ctx, frame, data, current, y, x, pixel;
|
|
|
|
if (!scale) {
|
|
scale = 1.0;
|
|
}
|
|
ctx = canvas.getContext('2d');
|
|
canvas.width = this.size.x;
|
|
canvas.height = this.size.y;
|
|
frame = ctx.getImageData(0, 0, canvas.width, canvas.height);
|
|
data = frame.data;
|
|
current = 0;
|
|
for (y = 0; y < this.size.y; y++) {
|
|
for (x = 0; x < this.size.x; x++) {
|
|
pixel = y * this.size.x + x;
|
|
current = this.get(x, y) * scale;
|
|
data[pixel * 4 + 0] = current;
|
|
data[pixel * 4 + 1] = current;
|
|
data[pixel * 4 + 2] = current;
|
|
data[pixel * 4 + 3] = 255;
|
|
}
|
|
}
|
|
frame.data = data;
|
|
ctx.putImageData(frame, 0, 0);
|
|
};
|
|
|
|
/**
|
|
* Retrieves a given pixel position from the {SubImage}
|
|
* @param x {Number} The x-position
|
|
* @param y {Number} The y-position
|
|
* @returns {Number} The grayscale value at the pixel-position
|
|
*/
|
|
SubImage.prototype.get = function (x, y) {
|
|
return this.data[(this.from.y + y) * this.originalSize.x + this.from.x + x];
|
|
};
|
|
|
|
/**
|
|
* Updates the underlying data from a given {ImageWrapper}
|
|
* @param image {ImageWrapper} The updated image
|
|
*/
|
|
SubImage.prototype.updateData = function (image) {
|
|
this.originalSize = image.size;
|
|
this.data = image.data;
|
|
};
|
|
|
|
/**
|
|
* Updates the position of the shared area
|
|
* @param from {x,y} The new location
|
|
* @returns {SubImage} returns {this} for possible chaining
|
|
*/
|
|
SubImage.prototype.updateFrom = function (from) {
|
|
this.from = from;
|
|
return this;
|
|
};
|
|
|
|
exports['default'] = SubImage;
|
|
module.exports = exports['default'];
|
|
|
|
/***/ },
|
|
/* 5 */
|
|
/***/ function(module, exports, __webpack_require__) {
|
|
|
|
'use strict';
|
|
|
|
Object.defineProperty(exports, '__esModule', {
|
|
value: true
|
|
});
|
|
|
|
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }
|
|
|
|
var _cluster = __webpack_require__(6);
|
|
|
|
var _cluster2 = _interopRequireDefault(_cluster);
|
|
|
|
var _array_helper = __webpack_require__(17);
|
|
|
|
var _array_helper2 = _interopRequireDefault(_array_helper);
|
|
|
|
var _glMatrix = __webpack_require__(7);
|
|
|
|
var CVUtils = {};
|
|
|
|
/**
|
|
* @param x x-coordinate
|
|
* @param y y-coordinate
|
|
* @return ImageReference {x,y} Coordinate
|
|
*/
|
|
CVUtils.imageRef = function (x, y) {
|
|
var that = {
|
|
x: x,
|
|
y: y,
|
|
toVec2: function toVec2() {
|
|
return _glMatrix.vec2.clone([this.x, this.y]);
|
|
},
|
|
toVec3: function toVec3() {
|
|
return _glMatrix.vec3.clone([this.x, this.y, 1]);
|
|
},
|
|
round: function round() {
|
|
this.x = this.x > 0.0 ? Math.floor(this.x + 0.5) : Math.floor(this.x - 0.5);
|
|
this.y = this.y > 0.0 ? Math.floor(this.y + 0.5) : Math.floor(this.y - 0.5);
|
|
return this;
|
|
}
|
|
};
|
|
return that;
|
|
};
|
|
|
|
/**
|
|
* Computes an integral image of a given grayscale image.
|
|
* @param imageDataContainer {ImageDataContainer} the image to be integrated
|
|
*/
|
|
CVUtils.computeIntegralImage2 = function (imageWrapper, integralWrapper) {
|
|
var imageData = imageWrapper.data;
|
|
var width = imageWrapper.size.x;
|
|
var height = imageWrapper.size.y;
|
|
var integralImageData = integralWrapper.data;
|
|
var sum = 0,
|
|
posA = 0,
|
|
posB = 0,
|
|
posC = 0,
|
|
posD = 0,
|
|
x,
|
|
y;
|
|
|
|
// sum up first column
|
|
posB = width;
|
|
sum = 0;
|
|
for (y = 1; y < height; y++) {
|
|
sum += imageData[posA];
|
|
integralImageData[posB] += sum;
|
|
posA += width;
|
|
posB += width;
|
|
}
|
|
|
|
posA = 0;
|
|
posB = 1;
|
|
sum = 0;
|
|
for (x = 1; x < width; x++) {
|
|
sum += imageData[posA];
|
|
integralImageData[posB] += sum;
|
|
posA++;
|
|
posB++;
|
|
}
|
|
|
|
for (y = 1; y < height; y++) {
|
|
posA = y * width + 1;
|
|
posB = (y - 1) * width + 1;
|
|
posC = y * width;
|
|
posD = (y - 1) * width;
|
|
for (x = 1; x < width; x++) {
|
|
integralImageData[posA] += imageData[posA] + integralImageData[posB] + integralImageData[posC] - integralImageData[posD];
|
|
posA++;
|
|
posB++;
|
|
posC++;
|
|
posD++;
|
|
}
|
|
}
|
|
};
|
|
|
|
CVUtils.computeIntegralImage = function (imageWrapper, integralWrapper) {
|
|
var imageData = imageWrapper.data;
|
|
var width = imageWrapper.size.x;
|
|
var height = imageWrapper.size.y;
|
|
var integralImageData = integralWrapper.data;
|
|
var sum = 0;
|
|
|
|
// sum up first row
|
|
for (var i = 0; i < width; i++) {
|
|
sum += imageData[i];
|
|
integralImageData[i] = sum;
|
|
}
|
|
|
|
for (var v = 1; v < height; v++) {
|
|
sum = 0;
|
|
for (var u = 0; u < width; u++) {
|
|
sum += imageData[v * width + u];
|
|
integralImageData[v * width + u] = sum + integralImageData[(v - 1) * width + u];
|
|
}
|
|
}
|
|
};
|
|
|
|
CVUtils.thresholdImage = function (imageWrapper, threshold, targetWrapper) {
|
|
if (!targetWrapper) {
|
|
targetWrapper = imageWrapper;
|
|
}
|
|
var imageData = imageWrapper.data,
|
|
length = imageData.length,
|
|
targetData = targetWrapper.data;
|
|
|
|
while (length--) {
|
|
targetData[length] = imageData[length] < threshold ? 1 : 0;
|
|
}
|
|
};
|
|
|
|
CVUtils.computeHistogram = function (imageWrapper, bitsPerPixel) {
|
|
if (!bitsPerPixel) {
|
|
bitsPerPixel = 8;
|
|
}
|
|
var imageData = imageWrapper.data,
|
|
length = imageData.length,
|
|
bitShift = 8 - bitsPerPixel,
|
|
bucketCnt = 1 << bitsPerPixel,
|
|
hist = new Int32Array(bucketCnt);
|
|
|
|
while (length--) {
|
|
hist[imageData[length] >> bitShift]++;
|
|
}
|
|
return hist;
|
|
};
|
|
|
|
CVUtils.sharpenLine = function (line) {
|
|
var i,
|
|
length = line.length,
|
|
left = line[0],
|
|
center = line[1],
|
|
right;
|
|
|
|
for (i = 1; i < length - 1; i++) {
|
|
right = line[i + 1];
|
|
// -1 4 -1 kernel
|
|
line[i - 1] = center * 2 - left - right & 255;
|
|
left = center;
|
|
center = right;
|
|
}
|
|
return line;
|
|
};
|
|
|
|
CVUtils.determineOtsuThreshold = function (imageWrapper, bitsPerPixel) {
|
|
if (!bitsPerPixel) {
|
|
bitsPerPixel = 8;
|
|
}
|
|
var hist,
|
|
threshold,
|
|
bitShift = 8 - bitsPerPixel;
|
|
|
|
function px(init, end) {
|
|
var sum = 0,
|
|
i;
|
|
for (i = init; i <= end; i++) {
|
|
sum += hist[i];
|
|
}
|
|
return sum;
|
|
}
|
|
|
|
function mx(init, end) {
|
|
var i,
|
|
sum = 0;
|
|
|
|
for (i = init; i <= end; i++) {
|
|
sum += i * hist[i];
|
|
}
|
|
|
|
return sum;
|
|
}
|
|
|
|
function determineThreshold() {
|
|
var vet = [0],
|
|
p1,
|
|
p2,
|
|
p12,
|
|
k,
|
|
m1,
|
|
m2,
|
|
m12,
|
|
max = (1 << bitsPerPixel) - 1;
|
|
|
|
hist = CVUtils.computeHistogram(imageWrapper, bitsPerPixel);
|
|
for (k = 1; k < max; k++) {
|
|
p1 = px(0, k);
|
|
p2 = px(k + 1, max);
|
|
p12 = p1 * p2;
|
|
if (p12 === 0) {
|
|
p12 = 1;
|
|
}
|
|
m1 = mx(0, k) * p2;
|
|
m2 = mx(k + 1, max) * p1;
|
|
m12 = m1 - m2;
|
|
vet[k] = m12 * m12 / p12;
|
|
}
|
|
return _array_helper2['default'].maxIndex(vet);
|
|
}
|
|
|
|
threshold = determineThreshold();
|
|
return threshold << bitShift;
|
|
};
|
|
|
|
CVUtils.otsuThreshold = function (imageWrapper, targetWrapper) {
|
|
var threshold = CVUtils.determineOtsuThreshold(imageWrapper);
|
|
|
|
CVUtils.thresholdImage(imageWrapper, threshold, targetWrapper);
|
|
return threshold;
|
|
};
|
|
|
|
// local thresholding
|
|
CVUtils.computeBinaryImage = function (imageWrapper, integralWrapper, targetWrapper) {
|
|
CVUtils.computeIntegralImage(imageWrapper, integralWrapper);
|
|
|
|
if (!targetWrapper) {
|
|
targetWrapper = imageWrapper;
|
|
}
|
|
var imageData = imageWrapper.data;
|
|
var targetData = targetWrapper.data;
|
|
var width = imageWrapper.size.x;
|
|
var height = imageWrapper.size.y;
|
|
var integralImageData = integralWrapper.data;
|
|
var sum = 0,
|
|
v,
|
|
u,
|
|
kernel = 3,
|
|
A,
|
|
B,
|
|
C,
|
|
D,
|
|
avg,
|
|
size = (kernel * 2 + 1) * (kernel * 2 + 1);
|
|
|
|
// clear out top & bottom-border
|
|
for (v = 0; v <= kernel; v++) {
|
|
for (u = 0; u < width; u++) {
|
|
targetData[v * width + u] = 0;
|
|
targetData[(height - 1 - v) * width + u] = 0;
|
|
}
|
|
}
|
|
|
|
// clear out left & right border
|
|
for (v = kernel; v < height - kernel; v++) {
|
|
for (u = 0; u <= kernel; u++) {
|
|
targetData[v * width + u] = 0;
|
|
targetData[v * width + (width - 1 - u)] = 0;
|
|
}
|
|
}
|
|
|
|
for (v = kernel + 1; v < height - kernel - 1; v++) {
|
|
for (u = kernel + 1; u < width - kernel; u++) {
|
|
A = integralImageData[(v - kernel - 1) * width + (u - kernel - 1)];
|
|
B = integralImageData[(v - kernel - 1) * width + (u + kernel)];
|
|
C = integralImageData[(v + kernel) * width + (u - kernel - 1)];
|
|
D = integralImageData[(v + kernel) * width + (u + kernel)];
|
|
sum = D - C - B + A;
|
|
avg = sum / size;
|
|
targetData[v * width + u] = imageData[v * width + u] > avg + 5 ? 0 : 1;
|
|
}
|
|
}
|
|
};
|
|
|
|
CVUtils.cluster = function (points, threshold, property) {
|
|
var i,
|
|
k,
|
|
cluster,
|
|
point,
|
|
clusters = [];
|
|
|
|
if (!property) {
|
|
property = "rad";
|
|
}
|
|
|
|
function addToCluster(newPoint) {
|
|
var found = false;
|
|
for (k = 0; k < clusters.length; k++) {
|
|
cluster = clusters[k];
|
|
if (cluster.fits(newPoint)) {
|
|
cluster.add(newPoint);
|
|
found = true;
|
|
}
|
|
}
|
|
return found;
|
|
}
|
|
|
|
// iterate over each cloud
|
|
for (i = 0; i < points.length; i++) {
|
|
point = _cluster2['default'].createPoint(points[i], i, property);
|
|
if (!addToCluster(point)) {
|
|
clusters.push(_cluster2['default'].create(point, threshold));
|
|
}
|
|
}
|
|
return clusters;
|
|
};
|
|
|
|
CVUtils.Tracer = {
|
|
trace: function trace(points, vec) {
|
|
var iteration,
|
|
maxIterations = 10,
|
|
top = [],
|
|
result = [],
|
|
centerPos = 0,
|
|
currentPos = 0;
|
|
|
|
function trace(idx, forward) {
|
|
var from,
|
|
to,
|
|
toIdx,
|
|
predictedPos,
|
|
thresholdX = 1,
|
|
thresholdY = Math.abs(vec[1] / 10),
|
|
found = false;
|
|
|
|
function match(pos, predicted) {
|
|
if (pos.x > predicted.x - thresholdX && pos.x < predicted.x + thresholdX && pos.y > predicted.y - thresholdY && pos.y < predicted.y + thresholdY) {
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
// check if the next index is within the vec specifications
|
|
// if not, check as long as the threshold is met
|
|
|
|
from = points[idx];
|
|
if (forward) {
|
|
predictedPos = {
|
|
x: from.x + vec[0],
|
|
y: from.y + vec[1]
|
|
};
|
|
} else {
|
|
predictedPos = {
|
|
x: from.x - vec[0],
|
|
y: from.y - vec[1]
|
|
};
|
|
}
|
|
|
|
toIdx = forward ? idx + 1 : idx - 1;
|
|
to = points[toIdx];
|
|
while (to && (found = match(to, predictedPos)) !== true && Math.abs(to.y - from.y) < vec[1]) {
|
|
toIdx = forward ? toIdx + 1 : toIdx - 1;
|
|
to = points[toIdx];
|
|
}
|
|
|
|
return found ? toIdx : null;
|
|
}
|
|
|
|
for (iteration = 0; iteration < maxIterations; iteration++) {
|
|
// randomly select point to start with
|
|
centerPos = Math.floor(Math.random() * points.length);
|
|
|
|
// trace forward
|
|
top = [];
|
|
currentPos = centerPos;
|
|
top.push(points[currentPos]);
|
|
while ((currentPos = trace(currentPos, true)) !== null) {
|
|
top.push(points[currentPos]);
|
|
}
|
|
if (centerPos > 0) {
|
|
currentPos = centerPos;
|
|
while ((currentPos = trace(currentPos, false)) !== null) {
|
|
top.push(points[currentPos]);
|
|
}
|
|
}
|
|
|
|
if (top.length > result.length) {
|
|
result = top;
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
};
|
|
|
|
CVUtils.DILATE = 1;
|
|
CVUtils.ERODE = 2;
|
|
|
|
CVUtils.dilate = function (inImageWrapper, outImageWrapper) {
|
|
var v,
|
|
u,
|
|
inImageData = inImageWrapper.data,
|
|
outImageData = outImageWrapper.data,
|
|
height = inImageWrapper.size.y,
|
|
width = inImageWrapper.size.x,
|
|
sum,
|
|
yStart1,
|
|
yStart2,
|
|
xStart1,
|
|
xStart2;
|
|
|
|
for (v = 1; v < height - 1; v++) {
|
|
for (u = 1; u < width - 1; u++) {
|
|
yStart1 = v - 1;
|
|
yStart2 = v + 1;
|
|
xStart1 = u - 1;
|
|
xStart2 = u + 1;
|
|
sum = inImageData[yStart1 * width + xStart1] + inImageData[yStart1 * width + xStart2] + inImageData[v * width + u] + inImageData[yStart2 * width + xStart1] + inImageData[yStart2 * width + xStart2];
|
|
outImageData[v * width + u] = sum > 0 ? 1 : 0;
|
|
}
|
|
}
|
|
};
|
|
|
|
CVUtils.erode = function (inImageWrapper, outImageWrapper) {
|
|
var v,
|
|
u,
|
|
inImageData = inImageWrapper.data,
|
|
outImageData = outImageWrapper.data,
|
|
height = inImageWrapper.size.y,
|
|
width = inImageWrapper.size.x,
|
|
sum,
|
|
yStart1,
|
|
yStart2,
|
|
xStart1,
|
|
xStart2;
|
|
|
|
for (v = 1; v < height - 1; v++) {
|
|
for (u = 1; u < width - 1; u++) {
|
|
yStart1 = v - 1;
|
|
yStart2 = v + 1;
|
|
xStart1 = u - 1;
|
|
xStart2 = u + 1;
|
|
sum = inImageData[yStart1 * width + xStart1] + inImageData[yStart1 * width + xStart2] + inImageData[v * width + u] + inImageData[yStart2 * width + xStart1] + inImageData[yStart2 * width + xStart2];
|
|
outImageData[v * width + u] = sum === 5 ? 1 : 0;
|
|
}
|
|
}
|
|
};
|
|
|
|
CVUtils.subtract = function (aImageWrapper, bImageWrapper, resultImageWrapper) {
|
|
if (!resultImageWrapper) {
|
|
resultImageWrapper = aImageWrapper;
|
|
}
|
|
var length = aImageWrapper.data.length,
|
|
aImageData = aImageWrapper.data,
|
|
bImageData = bImageWrapper.data,
|
|
cImageData = resultImageWrapper.data;
|
|
|
|
while (length--) {
|
|
cImageData[length] = aImageData[length] - bImageData[length];
|
|
}
|
|
};
|
|
|
|
CVUtils.bitwiseOr = function (aImageWrapper, bImageWrapper, resultImageWrapper) {
|
|
if (!resultImageWrapper) {
|
|
resultImageWrapper = aImageWrapper;
|
|
}
|
|
var length = aImageWrapper.data.length,
|
|
aImageData = aImageWrapper.data,
|
|
bImageData = bImageWrapper.data,
|
|
cImageData = resultImageWrapper.data;
|
|
|
|
while (length--) {
|
|
cImageData[length] = aImageData[length] || bImageData[length];
|
|
}
|
|
};
|
|
|
|
CVUtils.countNonZero = function (imageWrapper) {
|
|
var length = imageWrapper.data.length,
|
|
data = imageWrapper.data,
|
|
sum = 0;
|
|
|
|
while (length--) {
|
|
sum += data[length];
|
|
}
|
|
return sum;
|
|
};
|
|
|
|
CVUtils.topGeneric = function (list, top, scoreFunc) {
|
|
var i,
|
|
minIdx = 0,
|
|
min = 0,
|
|
queue = [],
|
|
score,
|
|
hit,
|
|
pos;
|
|
|
|
for (i = 0; i < top; i++) {
|
|
queue[i] = {
|
|
score: 0,
|
|
item: null
|
|
};
|
|
}
|
|
|
|
for (i = 0; i < list.length; i++) {
|
|
score = scoreFunc.apply(this, [list[i]]);
|
|
if (score > min) {
|
|
hit = queue[minIdx];
|
|
hit.score = score;
|
|
hit.item = list[i];
|
|
min = Number.MAX_VALUE;
|
|
for (pos = 0; pos < top; pos++) {
|
|
if (queue[pos].score < min) {
|
|
min = queue[pos].score;
|
|
minIdx = pos;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return queue;
|
|
};
|
|
|
|
CVUtils.grayArrayFromImage = function (htmlImage, offsetX, ctx, array) {
|
|
ctx.drawImage(htmlImage, offsetX, 0, htmlImage.width, htmlImage.height);
|
|
var ctxData = ctx.getImageData(offsetX, 0, htmlImage.width, htmlImage.height).data;
|
|
CVUtils.computeGray(ctxData, array);
|
|
};
|
|
|
|
CVUtils.grayArrayFromContext = function (ctx, size, offset, array) {
|
|
var ctxData = ctx.getImageData(offset.x, offset.y, size.x, size.y).data;
|
|
CVUtils.computeGray(ctxData, array);
|
|
};
|
|
|
|
CVUtils.grayAndHalfSampleFromCanvasData = function (canvasData, size, outArray) {
|
|
var topRowIdx = 0;
|
|
var bottomRowIdx = size.x;
|
|
var endIdx = Math.floor(canvasData.length / 4);
|
|
var outWidth = size.x / 2;
|
|
var outImgIdx = 0;
|
|
var inWidth = size.x;
|
|
var i;
|
|
|
|
while (bottomRowIdx < endIdx) {
|
|
for (i = 0; i < outWidth; i++) {
|
|
outArray[outImgIdx] = Math.floor((0.299 * canvasData[topRowIdx * 4 + 0] + 0.587 * canvasData[topRowIdx * 4 + 1] + 0.114 * canvasData[topRowIdx * 4 + 2] + (0.299 * canvasData[(topRowIdx + 1) * 4 + 0] + 0.587 * canvasData[(topRowIdx + 1) * 4 + 1] + 0.114 * canvasData[(topRowIdx + 1) * 4 + 2]) + (0.299 * canvasData[bottomRowIdx * 4 + 0] + 0.587 * canvasData[bottomRowIdx * 4 + 1] + 0.114 * canvasData[bottomRowIdx * 4 + 2]) + (0.299 * canvasData[(bottomRowIdx + 1) * 4 + 0] + 0.587 * canvasData[(bottomRowIdx + 1) * 4 + 1] + 0.114 * canvasData[(bottomRowIdx + 1) * 4 + 2])) / 4);
|
|
outImgIdx++;
|
|
topRowIdx = topRowIdx + 2;
|
|
bottomRowIdx = bottomRowIdx + 2;
|
|
}
|
|
topRowIdx = topRowIdx + inWidth;
|
|
bottomRowIdx = bottomRowIdx + inWidth;
|
|
}
|
|
};
|
|
|
|
CVUtils.computeGray = function (imageData, outArray, config) {
|
|
var l = imageData.length / 4 | 0,
|
|
i,
|
|
singleChannel = config && config.singleChannel === true;
|
|
|
|
if (singleChannel) {
|
|
for (i = 0; i < l; i++) {
|
|
outArray[i] = imageData[i * 4 + 0];
|
|
}
|
|
} else {
|
|
for (i = 0; i < l; i++) {
|
|
outArray[i] = Math.floor(0.299 * imageData[i * 4 + 0] + 0.587 * imageData[i * 4 + 1] + 0.114 * imageData[i * 4 + 2]);
|
|
}
|
|
}
|
|
};
|
|
|
|
CVUtils.loadImageArray = function (src, callback, canvas) {
|
|
if (!canvas) {
|
|
canvas = document.createElement('canvas');
|
|
}
|
|
var img = new Image();
|
|
img.callback = callback;
|
|
img.onload = function () {
|
|
canvas.width = this.width;
|
|
canvas.height = this.height;
|
|
var ctx = canvas.getContext('2d');
|
|
ctx.drawImage(this, 0, 0);
|
|
var array = new Uint8Array(this.width * this.height);
|
|
ctx.drawImage(this, 0, 0);
|
|
var data = ctx.getImageData(0, 0, this.width, this.height).data;
|
|
CVUtils.computeGray(data, array);
|
|
this.callback(array, {
|
|
x: this.width,
|
|
y: this.height
|
|
}, this);
|
|
};
|
|
img.src = src;
|
|
};
|
|
|
|
/**
|
|
* @param inImg {ImageWrapper} input image to be sampled
|
|
* @param outImg {ImageWrapper} to be stored in
|
|
*/
|
|
CVUtils.halfSample = function (inImgWrapper, outImgWrapper) {
|
|
var inImg = inImgWrapper.data;
|
|
var inWidth = inImgWrapper.size.x;
|
|
var outImg = outImgWrapper.data;
|
|
var topRowIdx = 0;
|
|
var bottomRowIdx = inWidth;
|
|
var endIdx = inImg.length;
|
|
var outWidth = inWidth / 2;
|
|
var outImgIdx = 0;
|
|
while (bottomRowIdx < endIdx) {
|
|
for (var i = 0; i < outWidth; i++) {
|
|
outImg[outImgIdx] = Math.floor((inImg[topRowIdx] + inImg[topRowIdx + 1] + inImg[bottomRowIdx] + inImg[bottomRowIdx + 1]) / 4);
|
|
outImgIdx++;
|
|
topRowIdx = topRowIdx + 2;
|
|
bottomRowIdx = bottomRowIdx + 2;
|
|
}
|
|
topRowIdx = topRowIdx + inWidth;
|
|
bottomRowIdx = bottomRowIdx + inWidth;
|
|
}
|
|
};
|
|
|
|
CVUtils.hsv2rgb = function (hsv, rgb) {
|
|
var h = hsv[0],
|
|
s = hsv[1],
|
|
v = hsv[2],
|
|
c = v * s,
|
|
x = c * (1 - Math.abs(h / 60 % 2 - 1)),
|
|
m = v - c,
|
|
r = 0,
|
|
g = 0,
|
|
b = 0;
|
|
|
|
rgb = rgb || [0, 0, 0];
|
|
|
|
if (h < 60) {
|
|
r = c;
|
|
g = x;
|
|
} else if (h < 120) {
|
|
r = x;
|
|
g = c;
|
|
} else if (h < 180) {
|
|
g = c;
|
|
b = x;
|
|
} else if (h < 240) {
|
|
g = x;
|
|
b = c;
|
|
} else if (h < 300) {
|
|
r = x;
|
|
b = c;
|
|
} else if (h < 360) {
|
|
r = c;
|
|
b = x;
|
|
}
|
|
rgb[0] = (r + m) * 255 | 0;
|
|
rgb[1] = (g + m) * 255 | 0;
|
|
rgb[2] = (b + m) * 255 | 0;
|
|
return rgb;
|
|
};
|
|
|
|
CVUtils._computeDivisors = function (n) {
|
|
var largeDivisors = [],
|
|
divisors = [],
|
|
i;
|
|
|
|
for (i = 1; i < Math.sqrt(n) + 1; i++) {
|
|
if (n % i === 0) {
|
|
divisors.push(i);
|
|
if (i !== n / i) {
|
|
largeDivisors.unshift(Math.floor(n / i));
|
|
}
|
|
}
|
|
}
|
|
return divisors.concat(largeDivisors);
|
|
};
|
|
|
|
CVUtils._computeIntersection = function (arr1, arr2) {
|
|
var i = 0,
|
|
j = 0,
|
|
result = [];
|
|
|
|
while (i < arr1.length && j < arr2.length) {
|
|
if (arr1[i] === arr2[j]) {
|
|
result.push(arr1[i]);
|
|
i++;
|
|
j++;
|
|
} else if (arr1[i] > arr2[j]) {
|
|
j++;
|
|
} else {
|
|
i++;
|
|
}
|
|
}
|
|
return result;
|
|
};
|
|
|
|
CVUtils.calculatePatchSize = function (patchSize, imgSize) {
|
|
var divisorsX = this._computeDivisors(imgSize.x),
|
|
divisorsY = this._computeDivisors(imgSize.y),
|
|
wideSide = Math.max(imgSize.x, imgSize.y),
|
|
common = this._computeIntersection(divisorsX, divisorsY),
|
|
nrOfPatchesList = [8, 10, 15, 20, 32, 60, 80],
|
|
nrOfPatchesMap = {
|
|
"x-small": 5,
|
|
"small": 4,
|
|
"medium": 3,
|
|
"large": 2,
|
|
"x-large": 1
|
|
},
|
|
nrOfPatchesIdx = nrOfPatchesMap[patchSize] || nrOfPatchesMap.medium,
|
|
nrOfPatches = nrOfPatchesList[nrOfPatchesIdx],
|
|
desiredPatchSize = Math.floor(wideSide / nrOfPatches),
|
|
optimalPatchSize;
|
|
|
|
function findPatchSizeForDivisors(divisors) {
|
|
var i = 0,
|
|
found = divisors[Math.floor(divisors.length / 2)];
|
|
|
|
while (i < divisors.length - 1 && divisors[i] < desiredPatchSize) {
|
|
i++;
|
|
}
|
|
if (i > 0) {
|
|
if (Math.abs(divisors[i] - desiredPatchSize) > Math.abs(divisors[i - 1] - desiredPatchSize)) {
|
|
found = divisors[i - 1];
|
|
} else {
|
|
found = divisors[i];
|
|
}
|
|
}
|
|
if (desiredPatchSize / found < nrOfPatchesList[nrOfPatchesIdx + 1] / nrOfPatchesList[nrOfPatchesIdx] && desiredPatchSize / found > nrOfPatchesList[nrOfPatchesIdx - 1] / nrOfPatchesList[nrOfPatchesIdx]) {
|
|
return { x: found, y: found };
|
|
}
|
|
return null;
|
|
}
|
|
|
|
optimalPatchSize = findPatchSizeForDivisors(common);
|
|
if (!optimalPatchSize) {
|
|
optimalPatchSize = findPatchSizeForDivisors(this._computeDivisors(wideSide));
|
|
if (!optimalPatchSize) {
|
|
optimalPatchSize = findPatchSizeForDivisors(this._computeDivisors(desiredPatchSize * nrOfPatches));
|
|
}
|
|
}
|
|
return optimalPatchSize;
|
|
};
|
|
|
|
CVUtils._parseCSSDimensionValues = function (value) {
|
|
var dimension = {
|
|
value: parseFloat(value),
|
|
unit: value.indexOf("%") === value.length - 1 ? "%" : "%"
|
|
};
|
|
|
|
return dimension;
|
|
};
|
|
|
|
CVUtils._dimensionsConverters = {
|
|
top: function top(dimension, context) {
|
|
if (dimension.unit === "%") {
|
|
return Math.floor(context.height * (dimension.value / 100));
|
|
}
|
|
},
|
|
right: function right(dimension, context) {
|
|
if (dimension.unit === "%") {
|
|
return Math.floor(context.width - context.width * (dimension.value / 100));
|
|
}
|
|
},
|
|
bottom: function bottom(dimension, context) {
|
|
if (dimension.unit === "%") {
|
|
return Math.floor(context.height - context.height * (dimension.value / 100));
|
|
}
|
|
},
|
|
left: function left(dimension, context) {
|
|
if (dimension.unit === "%") {
|
|
return Math.floor(context.width * (dimension.value / 100));
|
|
}
|
|
}
|
|
};
|
|
|
|
CVUtils.computeImageArea = function (inputWidth, inputHeight, area) {
|
|
var context = { width: inputWidth, height: inputHeight };
|
|
|
|
var parsedArea = Object.keys(area).reduce(function (result, key) {
|
|
var value = area[key],
|
|
parsed = CVUtils._parseCSSDimensionValues(value),
|
|
calculated = CVUtils._dimensionsConverters[key](parsed, context);
|
|
|
|
result[key] = calculated;
|
|
return result;
|
|
}, {});
|
|
|
|
return {
|
|
sx: parsedArea.left,
|
|
sy: parsedArea.top,
|
|
sw: parsedArea.right - parsedArea.left,
|
|
sh: parsedArea.bottom - parsedArea.top
|
|
};
|
|
};
|
|
|
|
exports['default'] = CVUtils;
|
|
module.exports = exports['default'];
|
|
|
|
/***/ },
|
|
/* 6 */
|
|
/***/ function(module, exports, __webpack_require__) {
|
|
|
|
'use strict';
|
|
|
|
Object.defineProperty(exports, '__esModule', {
|
|
value: true
|
|
});
|
|
|
|
var _glMatrix = __webpack_require__(7);
|
|
|
|
/**
|
|
* Creates a cluster for grouping similar orientations of datapoints
|
|
*/
|
|
exports['default'] = {
|
|
create: function create(point, threshold) {
|
|
var points = [],
|
|
center = {
|
|
rad: 0,
|
|
vec: _glMatrix.vec2.clone([0, 0])
|
|
},
|
|
pointMap = {};
|
|
|
|
function init() {
|
|
_add(point);
|
|
updateCenter();
|
|
}
|
|
|
|
function _add(pointToAdd) {
|
|
pointMap[pointToAdd.id] = pointToAdd;
|
|
points.push(pointToAdd);
|
|
}
|
|
|
|
function updateCenter() {
|
|
var i,
|
|
sum = 0;
|
|
for (i = 0; i < points.length; i++) {
|
|
sum += points[i].rad;
|
|
}
|
|
center.rad = sum / points.length;
|
|
center.vec = _glMatrix.vec2.clone([Math.cos(center.rad), Math.sin(center.rad)]);
|
|
}
|
|
|
|
init();
|
|
|
|
return {
|
|
add: function add(pointToAdd) {
|
|
if (!pointMap[pointToAdd.id]) {
|
|
_add(pointToAdd);
|
|
updateCenter();
|
|
}
|
|
},
|
|
fits: function fits(otherPoint) {
|
|
// check cosine similarity to center-angle
|
|
var similarity = Math.abs(_glMatrix.vec2.dot(otherPoint.point.vec, center.vec));
|
|
if (similarity > threshold) {
|
|
return true;
|
|
}
|
|
return false;
|
|
},
|
|
getPoints: function getPoints() {
|
|
return points;
|
|
},
|
|
getCenter: function getCenter() {
|
|
return center;
|
|
}
|
|
};
|
|
},
|
|
createPoint: function createPoint(newPoint, id, property) {
|
|
return {
|
|
rad: newPoint[property],
|
|
point: newPoint,
|
|
id: id
|
|
};
|
|
}
|
|
};
|
|
module.exports = exports['default'];
|
|
|
|
/***/ },
|
|
/* 7 */
|
|
/***/ function(module, exports, __webpack_require__) {
|
|
|
|
/**
|
|
* @fileoverview gl-matrix - High performance matrix and vector operations
|
|
* @author Brandon Jones
|
|
* @author Colin MacKenzie IV
|
|
* @version 2.3.0
|
|
*/
|
|
|
|
/* Copyright (c) 2015, Brandon Jones, Colin MacKenzie IV.
|
|
|
|
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 and this permission notice 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 THE
|
|
AUTHORS OR COPYRIGHT HOLDERS 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. */
|
|
// END HEADER
|
|
|
|
exports.glMatrix = __webpack_require__(8);
|
|
exports.mat2 = __webpack_require__(9);
|
|
exports.mat2d = __webpack_require__(10);
|
|
exports.mat3 = __webpack_require__(11);
|
|
exports.mat4 = __webpack_require__(12);
|
|
exports.quat = __webpack_require__(13);
|
|
exports.vec2 = __webpack_require__(16);
|
|
exports.vec3 = __webpack_require__(14);
|
|
exports.vec4 = __webpack_require__(15);
|
|
|
|
/***/ },
|
|
/* 8 */
|
|
/***/ function(module, exports) {
|
|
|
|
/* Copyright (c) 2015, Brandon Jones, Colin MacKenzie IV.
|
|
|
|
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 and this permission notice 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 THE
|
|
AUTHORS OR COPYRIGHT HOLDERS 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. */
|
|
|
|
/**
|
|
* @class Common utilities
|
|
* @name glMatrix
|
|
*/
|
|
var glMatrix = {};
|
|
|
|
// Constants
|
|
glMatrix.EPSILON = 0.000001;
|
|
glMatrix.ARRAY_TYPE = (typeof Float32Array !== 'undefined') ? Float32Array : Array;
|
|
glMatrix.RANDOM = Math.random;
|
|
|
|
/**
|
|
* Sets the type of array used when creating new vectors and matrices
|
|
*
|
|
* @param {Type} type Array type, such as Float32Array or Array
|
|
*/
|
|
glMatrix.setMatrixArrayType = function(type) {
|
|
GLMAT_ARRAY_TYPE = type;
|
|
}
|
|
|
|
var degree = Math.PI / 180;
|
|
|
|
/**
|
|
* Convert Degree To Radian
|
|
*
|
|
* @param {Number} Angle in Degrees
|
|
*/
|
|
glMatrix.toRadian = function(a){
|
|
return a * degree;
|
|
}
|
|
|
|
module.exports = glMatrix;
|
|
|
|
|
|
/***/ },
|
|
/* 9 */
|
|
/***/ function(module, exports, __webpack_require__) {
|
|
|
|
/* Copyright (c) 2015, Brandon Jones, Colin MacKenzie IV.
|
|
|
|
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 and this permission notice 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 THE
|
|
AUTHORS OR COPYRIGHT HOLDERS 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. */
|
|
|
|
var glMatrix = __webpack_require__(8);
|
|
|
|
/**
|
|
* @class 2x2 Matrix
|
|
* @name mat2
|
|
*/
|
|
var mat2 = {};
|
|
|
|
/**
|
|
* Creates a new identity mat2
|
|
*
|
|
* @returns {mat2} a new 2x2 matrix
|
|
*/
|
|
mat2.create = function() {
|
|
var out = new glMatrix.ARRAY_TYPE(4);
|
|
out[0] = 1;
|
|
out[1] = 0;
|
|
out[2] = 0;
|
|
out[3] = 1;
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Creates a new mat2 initialized with values from an existing matrix
|
|
*
|
|
* @param {mat2} a matrix to clone
|
|
* @returns {mat2} a new 2x2 matrix
|
|
*/
|
|
mat2.clone = function(a) {
|
|
var out = new glMatrix.ARRAY_TYPE(4);
|
|
out[0] = a[0];
|
|
out[1] = a[1];
|
|
out[2] = a[2];
|
|
out[3] = a[3];
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Copy the values from one mat2 to another
|
|
*
|
|
* @param {mat2} out the receiving matrix
|
|
* @param {mat2} a the source matrix
|
|
* @returns {mat2} out
|
|
*/
|
|
mat2.copy = function(out, a) {
|
|
out[0] = a[0];
|
|
out[1] = a[1];
|
|
out[2] = a[2];
|
|
out[3] = a[3];
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Set a mat2 to the identity matrix
|
|
*
|
|
* @param {mat2} out the receiving matrix
|
|
* @returns {mat2} out
|
|
*/
|
|
mat2.identity = function(out) {
|
|
out[0] = 1;
|
|
out[1] = 0;
|
|
out[2] = 0;
|
|
out[3] = 1;
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Transpose the values of a mat2
|
|
*
|
|
* @param {mat2} out the receiving matrix
|
|
* @param {mat2} a the source matrix
|
|
* @returns {mat2} out
|
|
*/
|
|
mat2.transpose = function(out, a) {
|
|
// If we are transposing ourselves we can skip a few steps but have to cache some values
|
|
if (out === a) {
|
|
var a1 = a[1];
|
|
out[1] = a[2];
|
|
out[2] = a1;
|
|
} else {
|
|
out[0] = a[0];
|
|
out[1] = a[2];
|
|
out[2] = a[1];
|
|
out[3] = a[3];
|
|
}
|
|
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Inverts a mat2
|
|
*
|
|
* @param {mat2} out the receiving matrix
|
|
* @param {mat2} a the source matrix
|
|
* @returns {mat2} out
|
|
*/
|
|
mat2.invert = function(out, a) {
|
|
var a0 = a[0], a1 = a[1], a2 = a[2], a3 = a[3],
|
|
|
|
// Calculate the determinant
|
|
det = a0 * a3 - a2 * a1;
|
|
|
|
if (!det) {
|
|
return null;
|
|
}
|
|
det = 1.0 / det;
|
|
|
|
out[0] = a3 * det;
|
|
out[1] = -a1 * det;
|
|
out[2] = -a2 * det;
|
|
out[3] = a0 * det;
|
|
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Calculates the adjugate of a mat2
|
|
*
|
|
* @param {mat2} out the receiving matrix
|
|
* @param {mat2} a the source matrix
|
|
* @returns {mat2} out
|
|
*/
|
|
mat2.adjoint = function(out, a) {
|
|
// Caching this value is nessecary if out == a
|
|
var a0 = a[0];
|
|
out[0] = a[3];
|
|
out[1] = -a[1];
|
|
out[2] = -a[2];
|
|
out[3] = a0;
|
|
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Calculates the determinant of a mat2
|
|
*
|
|
* @param {mat2} a the source matrix
|
|
* @returns {Number} determinant of a
|
|
*/
|
|
mat2.determinant = function (a) {
|
|
return a[0] * a[3] - a[2] * a[1];
|
|
};
|
|
|
|
/**
|
|
* Multiplies two mat2's
|
|
*
|
|
* @param {mat2} out the receiving matrix
|
|
* @param {mat2} a the first operand
|
|
* @param {mat2} b the second operand
|
|
* @returns {mat2} out
|
|
*/
|
|
mat2.multiply = function (out, a, b) {
|
|
var a0 = a[0], a1 = a[1], a2 = a[2], a3 = a[3];
|
|
var b0 = b[0], b1 = b[1], b2 = b[2], b3 = b[3];
|
|
out[0] = a0 * b0 + a2 * b1;
|
|
out[1] = a1 * b0 + a3 * b1;
|
|
out[2] = a0 * b2 + a2 * b3;
|
|
out[3] = a1 * b2 + a3 * b3;
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Alias for {@link mat2.multiply}
|
|
* @function
|
|
*/
|
|
mat2.mul = mat2.multiply;
|
|
|
|
/**
|
|
* Rotates a mat2 by the given angle
|
|
*
|
|
* @param {mat2} out the receiving matrix
|
|
* @param {mat2} a the matrix to rotate
|
|
* @param {Number} rad the angle to rotate the matrix by
|
|
* @returns {mat2} out
|
|
*/
|
|
mat2.rotate = function (out, a, rad) {
|
|
var a0 = a[0], a1 = a[1], a2 = a[2], a3 = a[3],
|
|
s = Math.sin(rad),
|
|
c = Math.cos(rad);
|
|
out[0] = a0 * c + a2 * s;
|
|
out[1] = a1 * c + a3 * s;
|
|
out[2] = a0 * -s + a2 * c;
|
|
out[3] = a1 * -s + a3 * c;
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Scales the mat2 by the dimensions in the given vec2
|
|
*
|
|
* @param {mat2} out the receiving matrix
|
|
* @param {mat2} a the matrix to rotate
|
|
* @param {vec2} v the vec2 to scale the matrix by
|
|
* @returns {mat2} out
|
|
**/
|
|
mat2.scale = function(out, a, v) {
|
|
var a0 = a[0], a1 = a[1], a2 = a[2], a3 = a[3],
|
|
v0 = v[0], v1 = v[1];
|
|
out[0] = a0 * v0;
|
|
out[1] = a1 * v0;
|
|
out[2] = a2 * v1;
|
|
out[3] = a3 * v1;
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Creates a matrix from a given angle
|
|
* This is equivalent to (but much faster than):
|
|
*
|
|
* mat2.identity(dest);
|
|
* mat2.rotate(dest, dest, rad);
|
|
*
|
|
* @param {mat2} out mat2 receiving operation result
|
|
* @param {Number} rad the angle to rotate the matrix by
|
|
* @returns {mat2} out
|
|
*/
|
|
mat2.fromRotation = function(out, rad) {
|
|
var s = Math.sin(rad),
|
|
c = Math.cos(rad);
|
|
out[0] = c;
|
|
out[1] = s;
|
|
out[2] = -s;
|
|
out[3] = c;
|
|
return out;
|
|
}
|
|
|
|
/**
|
|
* Creates a matrix from a vector scaling
|
|
* This is equivalent to (but much faster than):
|
|
*
|
|
* mat2.identity(dest);
|
|
* mat2.scale(dest, dest, vec);
|
|
*
|
|
* @param {mat2} out mat2 receiving operation result
|
|
* @param {vec2} v Scaling vector
|
|
* @returns {mat2} out
|
|
*/
|
|
mat2.fromScaling = function(out, v) {
|
|
out[0] = v[0];
|
|
out[1] = 0;
|
|
out[2] = 0;
|
|
out[3] = v[1];
|
|
return out;
|
|
}
|
|
|
|
/**
|
|
* Returns a string representation of a mat2
|
|
*
|
|
* @param {mat2} mat matrix to represent as a string
|
|
* @returns {String} string representation of the matrix
|
|
*/
|
|
mat2.str = function (a) {
|
|
return 'mat2(' + a[0] + ', ' + a[1] + ', ' + a[2] + ', ' + a[3] + ')';
|
|
};
|
|
|
|
/**
|
|
* Returns Frobenius norm of a mat2
|
|
*
|
|
* @param {mat2} a the matrix to calculate Frobenius norm of
|
|
* @returns {Number} Frobenius norm
|
|
*/
|
|
mat2.frob = function (a) {
|
|
return(Math.sqrt(Math.pow(a[0], 2) + Math.pow(a[1], 2) + Math.pow(a[2], 2) + Math.pow(a[3], 2)))
|
|
};
|
|
|
|
/**
|
|
* Returns L, D and U matrices (Lower triangular, Diagonal and Upper triangular) by factorizing the input matrix
|
|
* @param {mat2} L the lower triangular matrix
|
|
* @param {mat2} D the diagonal matrix
|
|
* @param {mat2} U the upper triangular matrix
|
|
* @param {mat2} a the input matrix to factorize
|
|
*/
|
|
|
|
mat2.LDU = function (L, D, U, a) {
|
|
L[2] = a[2]/a[0];
|
|
U[0] = a[0];
|
|
U[1] = a[1];
|
|
U[3] = a[3] - L[2] * U[1];
|
|
return [L, D, U];
|
|
};
|
|
|
|
|
|
module.exports = mat2;
|
|
|
|
|
|
/***/ },
|
|
/* 10 */
|
|
/***/ function(module, exports, __webpack_require__) {
|
|
|
|
/* Copyright (c) 2015, Brandon Jones, Colin MacKenzie IV.
|
|
|
|
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 and this permission notice 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 THE
|
|
AUTHORS OR COPYRIGHT HOLDERS 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. */
|
|
|
|
var glMatrix = __webpack_require__(8);
|
|
|
|
/**
|
|
* @class 2x3 Matrix
|
|
* @name mat2d
|
|
*
|
|
* @description
|
|
* A mat2d contains six elements defined as:
|
|
* <pre>
|
|
* [a, c, tx,
|
|
* b, d, ty]
|
|
* </pre>
|
|
* This is a short form for the 3x3 matrix:
|
|
* <pre>
|
|
* [a, c, tx,
|
|
* b, d, ty,
|
|
* 0, 0, 1]
|
|
* </pre>
|
|
* The last row is ignored so the array is shorter and operations are faster.
|
|
*/
|
|
var mat2d = {};
|
|
|
|
/**
|
|
* Creates a new identity mat2d
|
|
*
|
|
* @returns {mat2d} a new 2x3 matrix
|
|
*/
|
|
mat2d.create = function() {
|
|
var out = new glMatrix.ARRAY_TYPE(6);
|
|
out[0] = 1;
|
|
out[1] = 0;
|
|
out[2] = 0;
|
|
out[3] = 1;
|
|
out[4] = 0;
|
|
out[5] = 0;
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Creates a new mat2d initialized with values from an existing matrix
|
|
*
|
|
* @param {mat2d} a matrix to clone
|
|
* @returns {mat2d} a new 2x3 matrix
|
|
*/
|
|
mat2d.clone = function(a) {
|
|
var out = new glMatrix.ARRAY_TYPE(6);
|
|
out[0] = a[0];
|
|
out[1] = a[1];
|
|
out[2] = a[2];
|
|
out[3] = a[3];
|
|
out[4] = a[4];
|
|
out[5] = a[5];
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Copy the values from one mat2d to another
|
|
*
|
|
* @param {mat2d} out the receiving matrix
|
|
* @param {mat2d} a the source matrix
|
|
* @returns {mat2d} out
|
|
*/
|
|
mat2d.copy = function(out, a) {
|
|
out[0] = a[0];
|
|
out[1] = a[1];
|
|
out[2] = a[2];
|
|
out[3] = a[3];
|
|
out[4] = a[4];
|
|
out[5] = a[5];
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Set a mat2d to the identity matrix
|
|
*
|
|
* @param {mat2d} out the receiving matrix
|
|
* @returns {mat2d} out
|
|
*/
|
|
mat2d.identity = function(out) {
|
|
out[0] = 1;
|
|
out[1] = 0;
|
|
out[2] = 0;
|
|
out[3] = 1;
|
|
out[4] = 0;
|
|
out[5] = 0;
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Inverts a mat2d
|
|
*
|
|
* @param {mat2d} out the receiving matrix
|
|
* @param {mat2d} a the source matrix
|
|
* @returns {mat2d} out
|
|
*/
|
|
mat2d.invert = function(out, a) {
|
|
var aa = a[0], ab = a[1], ac = a[2], ad = a[3],
|
|
atx = a[4], aty = a[5];
|
|
|
|
var det = aa * ad - ab * ac;
|
|
if(!det){
|
|
return null;
|
|
}
|
|
det = 1.0 / det;
|
|
|
|
out[0] = ad * det;
|
|
out[1] = -ab * det;
|
|
out[2] = -ac * det;
|
|
out[3] = aa * det;
|
|
out[4] = (ac * aty - ad * atx) * det;
|
|
out[5] = (ab * atx - aa * aty) * det;
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Calculates the determinant of a mat2d
|
|
*
|
|
* @param {mat2d} a the source matrix
|
|
* @returns {Number} determinant of a
|
|
*/
|
|
mat2d.determinant = function (a) {
|
|
return a[0] * a[3] - a[1] * a[2];
|
|
};
|
|
|
|
/**
|
|
* Multiplies two mat2d's
|
|
*
|
|
* @param {mat2d} out the receiving matrix
|
|
* @param {mat2d} a the first operand
|
|
* @param {mat2d} b the second operand
|
|
* @returns {mat2d} out
|
|
*/
|
|
mat2d.multiply = function (out, a, b) {
|
|
var a0 = a[0], a1 = a[1], a2 = a[2], a3 = a[3], a4 = a[4], a5 = a[5],
|
|
b0 = b[0], b1 = b[1], b2 = b[2], b3 = b[3], b4 = b[4], b5 = b[5];
|
|
out[0] = a0 * b0 + a2 * b1;
|
|
out[1] = a1 * b0 + a3 * b1;
|
|
out[2] = a0 * b2 + a2 * b3;
|
|
out[3] = a1 * b2 + a3 * b3;
|
|
out[4] = a0 * b4 + a2 * b5 + a4;
|
|
out[5] = a1 * b4 + a3 * b5 + a5;
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Alias for {@link mat2d.multiply}
|
|
* @function
|
|
*/
|
|
mat2d.mul = mat2d.multiply;
|
|
|
|
/**
|
|
* Rotates a mat2d by the given angle
|
|
*
|
|
* @param {mat2d} out the receiving matrix
|
|
* @param {mat2d} a the matrix to rotate
|
|
* @param {Number} rad the angle to rotate the matrix by
|
|
* @returns {mat2d} out
|
|
*/
|
|
mat2d.rotate = function (out, a, rad) {
|
|
var a0 = a[0], a1 = a[1], a2 = a[2], a3 = a[3], a4 = a[4], a5 = a[5],
|
|
s = Math.sin(rad),
|
|
c = Math.cos(rad);
|
|
out[0] = a0 * c + a2 * s;
|
|
out[1] = a1 * c + a3 * s;
|
|
out[2] = a0 * -s + a2 * c;
|
|
out[3] = a1 * -s + a3 * c;
|
|
out[4] = a4;
|
|
out[5] = a5;
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Scales the mat2d by the dimensions in the given vec2
|
|
*
|
|
* @param {mat2d} out the receiving matrix
|
|
* @param {mat2d} a the matrix to translate
|
|
* @param {vec2} v the vec2 to scale the matrix by
|
|
* @returns {mat2d} out
|
|
**/
|
|
mat2d.scale = function(out, a, v) {
|
|
var a0 = a[0], a1 = a[1], a2 = a[2], a3 = a[3], a4 = a[4], a5 = a[5],
|
|
v0 = v[0], v1 = v[1];
|
|
out[0] = a0 * v0;
|
|
out[1] = a1 * v0;
|
|
out[2] = a2 * v1;
|
|
out[3] = a3 * v1;
|
|
out[4] = a4;
|
|
out[5] = a5;
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Translates the mat2d by the dimensions in the given vec2
|
|
*
|
|
* @param {mat2d} out the receiving matrix
|
|
* @param {mat2d} a the matrix to translate
|
|
* @param {vec2} v the vec2 to translate the matrix by
|
|
* @returns {mat2d} out
|
|
**/
|
|
mat2d.translate = function(out, a, v) {
|
|
var a0 = a[0], a1 = a[1], a2 = a[2], a3 = a[3], a4 = a[4], a5 = a[5],
|
|
v0 = v[0], v1 = v[1];
|
|
out[0] = a0;
|
|
out[1] = a1;
|
|
out[2] = a2;
|
|
out[3] = a3;
|
|
out[4] = a0 * v0 + a2 * v1 + a4;
|
|
out[5] = a1 * v0 + a3 * v1 + a5;
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Creates a matrix from a given angle
|
|
* This is equivalent to (but much faster than):
|
|
*
|
|
* mat2d.identity(dest);
|
|
* mat2d.rotate(dest, dest, rad);
|
|
*
|
|
* @param {mat2d} out mat2d receiving operation result
|
|
* @param {Number} rad the angle to rotate the matrix by
|
|
* @returns {mat2d} out
|
|
*/
|
|
mat2d.fromRotation = function(out, rad) {
|
|
var s = Math.sin(rad), c = Math.cos(rad);
|
|
out[0] = c;
|
|
out[1] = s;
|
|
out[2] = -s;
|
|
out[3] = c;
|
|
out[4] = 0;
|
|
out[5] = 0;
|
|
return out;
|
|
}
|
|
|
|
/**
|
|
* Creates a matrix from a vector scaling
|
|
* This is equivalent to (but much faster than):
|
|
*
|
|
* mat2d.identity(dest);
|
|
* mat2d.scale(dest, dest, vec);
|
|
*
|
|
* @param {mat2d} out mat2d receiving operation result
|
|
* @param {vec2} v Scaling vector
|
|
* @returns {mat2d} out
|
|
*/
|
|
mat2d.fromScaling = function(out, v) {
|
|
out[0] = v[0];
|
|
out[1] = 0;
|
|
out[2] = 0;
|
|
out[3] = v[1];
|
|
out[4] = 0;
|
|
out[5] = 0;
|
|
return out;
|
|
}
|
|
|
|
/**
|
|
* Creates a matrix from a vector translation
|
|
* This is equivalent to (but much faster than):
|
|
*
|
|
* mat2d.identity(dest);
|
|
* mat2d.translate(dest, dest, vec);
|
|
*
|
|
* @param {mat2d} out mat2d receiving operation result
|
|
* @param {vec2} v Translation vector
|
|
* @returns {mat2d} out
|
|
*/
|
|
mat2d.fromTranslation = function(out, v) {
|
|
out[0] = 1;
|
|
out[1] = 0;
|
|
out[2] = 0;
|
|
out[3] = 1;
|
|
out[4] = v[0];
|
|
out[5] = v[1];
|
|
return out;
|
|
}
|
|
|
|
/**
|
|
* Returns a string representation of a mat2d
|
|
*
|
|
* @param {mat2d} a matrix to represent as a string
|
|
* @returns {String} string representation of the matrix
|
|
*/
|
|
mat2d.str = function (a) {
|
|
return 'mat2d(' + a[0] + ', ' + a[1] + ', ' + a[2] + ', ' +
|
|
a[3] + ', ' + a[4] + ', ' + a[5] + ')';
|
|
};
|
|
|
|
/**
|
|
* Returns Frobenius norm of a mat2d
|
|
*
|
|
* @param {mat2d} a the matrix to calculate Frobenius norm of
|
|
* @returns {Number} Frobenius norm
|
|
*/
|
|
mat2d.frob = function (a) {
|
|
return(Math.sqrt(Math.pow(a[0], 2) + Math.pow(a[1], 2) + Math.pow(a[2], 2) + Math.pow(a[3], 2) + Math.pow(a[4], 2) + Math.pow(a[5], 2) + 1))
|
|
};
|
|
|
|
module.exports = mat2d;
|
|
|
|
|
|
/***/ },
|
|
/* 11 */
|
|
/***/ function(module, exports, __webpack_require__) {
|
|
|
|
/* Copyright (c) 2015, Brandon Jones, Colin MacKenzie IV.
|
|
|
|
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 and this permission notice 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 THE
|
|
AUTHORS OR COPYRIGHT HOLDERS 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. */
|
|
|
|
var glMatrix = __webpack_require__(8);
|
|
|
|
/**
|
|
* @class 3x3 Matrix
|
|
* @name mat3
|
|
*/
|
|
var mat3 = {};
|
|
|
|
/**
|
|
* Creates a new identity mat3
|
|
*
|
|
* @returns {mat3} a new 3x3 matrix
|
|
*/
|
|
mat3.create = function() {
|
|
var out = new glMatrix.ARRAY_TYPE(9);
|
|
out[0] = 1;
|
|
out[1] = 0;
|
|
out[2] = 0;
|
|
out[3] = 0;
|
|
out[4] = 1;
|
|
out[5] = 0;
|
|
out[6] = 0;
|
|
out[7] = 0;
|
|
out[8] = 1;
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Copies the upper-left 3x3 values into the given mat3.
|
|
*
|
|
* @param {mat3} out the receiving 3x3 matrix
|
|
* @param {mat4} a the source 4x4 matrix
|
|
* @returns {mat3} out
|
|
*/
|
|
mat3.fromMat4 = function(out, a) {
|
|
out[0] = a[0];
|
|
out[1] = a[1];
|
|
out[2] = a[2];
|
|
out[3] = a[4];
|
|
out[4] = a[5];
|
|
out[5] = a[6];
|
|
out[6] = a[8];
|
|
out[7] = a[9];
|
|
out[8] = a[10];
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Creates a new mat3 initialized with values from an existing matrix
|
|
*
|
|
* @param {mat3} a matrix to clone
|
|
* @returns {mat3} a new 3x3 matrix
|
|
*/
|
|
mat3.clone = function(a) {
|
|
var out = new glMatrix.ARRAY_TYPE(9);
|
|
out[0] = a[0];
|
|
out[1] = a[1];
|
|
out[2] = a[2];
|
|
out[3] = a[3];
|
|
out[4] = a[4];
|
|
out[5] = a[5];
|
|
out[6] = a[6];
|
|
out[7] = a[7];
|
|
out[8] = a[8];
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Copy the values from one mat3 to another
|
|
*
|
|
* @param {mat3} out the receiving matrix
|
|
* @param {mat3} a the source matrix
|
|
* @returns {mat3} out
|
|
*/
|
|
mat3.copy = function(out, a) {
|
|
out[0] = a[0];
|
|
out[1] = a[1];
|
|
out[2] = a[2];
|
|
out[3] = a[3];
|
|
out[4] = a[4];
|
|
out[5] = a[5];
|
|
out[6] = a[6];
|
|
out[7] = a[7];
|
|
out[8] = a[8];
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Set a mat3 to the identity matrix
|
|
*
|
|
* @param {mat3} out the receiving matrix
|
|
* @returns {mat3} out
|
|
*/
|
|
mat3.identity = function(out) {
|
|
out[0] = 1;
|
|
out[1] = 0;
|
|
out[2] = 0;
|
|
out[3] = 0;
|
|
out[4] = 1;
|
|
out[5] = 0;
|
|
out[6] = 0;
|
|
out[7] = 0;
|
|
out[8] = 1;
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Transpose the values of a mat3
|
|
*
|
|
* @param {mat3} out the receiving matrix
|
|
* @param {mat3} a the source matrix
|
|
* @returns {mat3} out
|
|
*/
|
|
mat3.transpose = function(out, a) {
|
|
// If we are transposing ourselves we can skip a few steps but have to cache some values
|
|
if (out === a) {
|
|
var a01 = a[1], a02 = a[2], a12 = a[5];
|
|
out[1] = a[3];
|
|
out[2] = a[6];
|
|
out[3] = a01;
|
|
out[5] = a[7];
|
|
out[6] = a02;
|
|
out[7] = a12;
|
|
} else {
|
|
out[0] = a[0];
|
|
out[1] = a[3];
|
|
out[2] = a[6];
|
|
out[3] = a[1];
|
|
out[4] = a[4];
|
|
out[5] = a[7];
|
|
out[6] = a[2];
|
|
out[7] = a[5];
|
|
out[8] = a[8];
|
|
}
|
|
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Inverts a mat3
|
|
*
|
|
* @param {mat3} out the receiving matrix
|
|
* @param {mat3} a the source matrix
|
|
* @returns {mat3} out
|
|
*/
|
|
mat3.invert = function(out, a) {
|
|
var a00 = a[0], a01 = a[1], a02 = a[2],
|
|
a10 = a[3], a11 = a[4], a12 = a[5],
|
|
a20 = a[6], a21 = a[7], a22 = a[8],
|
|
|
|
b01 = a22 * a11 - a12 * a21,
|
|
b11 = -a22 * a10 + a12 * a20,
|
|
b21 = a21 * a10 - a11 * a20,
|
|
|
|
// Calculate the determinant
|
|
det = a00 * b01 + a01 * b11 + a02 * b21;
|
|
|
|
if (!det) {
|
|
return null;
|
|
}
|
|
det = 1.0 / det;
|
|
|
|
out[0] = b01 * det;
|
|
out[1] = (-a22 * a01 + a02 * a21) * det;
|
|
out[2] = (a12 * a01 - a02 * a11) * det;
|
|
out[3] = b11 * det;
|
|
out[4] = (a22 * a00 - a02 * a20) * det;
|
|
out[5] = (-a12 * a00 + a02 * a10) * det;
|
|
out[6] = b21 * det;
|
|
out[7] = (-a21 * a00 + a01 * a20) * det;
|
|
out[8] = (a11 * a00 - a01 * a10) * det;
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Calculates the adjugate of a mat3
|
|
*
|
|
* @param {mat3} out the receiving matrix
|
|
* @param {mat3} a the source matrix
|
|
* @returns {mat3} out
|
|
*/
|
|
mat3.adjoint = function(out, a) {
|
|
var a00 = a[0], a01 = a[1], a02 = a[2],
|
|
a10 = a[3], a11 = a[4], a12 = a[5],
|
|
a20 = a[6], a21 = a[7], a22 = a[8];
|
|
|
|
out[0] = (a11 * a22 - a12 * a21);
|
|
out[1] = (a02 * a21 - a01 * a22);
|
|
out[2] = (a01 * a12 - a02 * a11);
|
|
out[3] = (a12 * a20 - a10 * a22);
|
|
out[4] = (a00 * a22 - a02 * a20);
|
|
out[5] = (a02 * a10 - a00 * a12);
|
|
out[6] = (a10 * a21 - a11 * a20);
|
|
out[7] = (a01 * a20 - a00 * a21);
|
|
out[8] = (a00 * a11 - a01 * a10);
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Calculates the determinant of a mat3
|
|
*
|
|
* @param {mat3} a the source matrix
|
|
* @returns {Number} determinant of a
|
|
*/
|
|
mat3.determinant = function (a) {
|
|
var a00 = a[0], a01 = a[1], a02 = a[2],
|
|
a10 = a[3], a11 = a[4], a12 = a[5],
|
|
a20 = a[6], a21 = a[7], a22 = a[8];
|
|
|
|
return a00 * (a22 * a11 - a12 * a21) + a01 * (-a22 * a10 + a12 * a20) + a02 * (a21 * a10 - a11 * a20);
|
|
};
|
|
|
|
/**
|
|
* Multiplies two mat3's
|
|
*
|
|
* @param {mat3} out the receiving matrix
|
|
* @param {mat3} a the first operand
|
|
* @param {mat3} b the second operand
|
|
* @returns {mat3} out
|
|
*/
|
|
mat3.multiply = function (out, a, b) {
|
|
var a00 = a[0], a01 = a[1], a02 = a[2],
|
|
a10 = a[3], a11 = a[4], a12 = a[5],
|
|
a20 = a[6], a21 = a[7], a22 = a[8],
|
|
|
|
b00 = b[0], b01 = b[1], b02 = b[2],
|
|
b10 = b[3], b11 = b[4], b12 = b[5],
|
|
b20 = b[6], b21 = b[7], b22 = b[8];
|
|
|
|
out[0] = b00 * a00 + b01 * a10 + b02 * a20;
|
|
out[1] = b00 * a01 + b01 * a11 + b02 * a21;
|
|
out[2] = b00 * a02 + b01 * a12 + b02 * a22;
|
|
|
|
out[3] = b10 * a00 + b11 * a10 + b12 * a20;
|
|
out[4] = b10 * a01 + b11 * a11 + b12 * a21;
|
|
out[5] = b10 * a02 + b11 * a12 + b12 * a22;
|
|
|
|
out[6] = b20 * a00 + b21 * a10 + b22 * a20;
|
|
out[7] = b20 * a01 + b21 * a11 + b22 * a21;
|
|
out[8] = b20 * a02 + b21 * a12 + b22 * a22;
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Alias for {@link mat3.multiply}
|
|
* @function
|
|
*/
|
|
mat3.mul = mat3.multiply;
|
|
|
|
/**
|
|
* Translate a mat3 by the given vector
|
|
*
|
|
* @param {mat3} out the receiving matrix
|
|
* @param {mat3} a the matrix to translate
|
|
* @param {vec2} v vector to translate by
|
|
* @returns {mat3} out
|
|
*/
|
|
mat3.translate = function(out, a, v) {
|
|
var a00 = a[0], a01 = a[1], a02 = a[2],
|
|
a10 = a[3], a11 = a[4], a12 = a[5],
|
|
a20 = a[6], a21 = a[7], a22 = a[8],
|
|
x = v[0], y = v[1];
|
|
|
|
out[0] = a00;
|
|
out[1] = a01;
|
|
out[2] = a02;
|
|
|
|
out[3] = a10;
|
|
out[4] = a11;
|
|
out[5] = a12;
|
|
|
|
out[6] = x * a00 + y * a10 + a20;
|
|
out[7] = x * a01 + y * a11 + a21;
|
|
out[8] = x * a02 + y * a12 + a22;
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Rotates a mat3 by the given angle
|
|
*
|
|
* @param {mat3} out the receiving matrix
|
|
* @param {mat3} a the matrix to rotate
|
|
* @param {Number} rad the angle to rotate the matrix by
|
|
* @returns {mat3} out
|
|
*/
|
|
mat3.rotate = function (out, a, rad) {
|
|
var a00 = a[0], a01 = a[1], a02 = a[2],
|
|
a10 = a[3], a11 = a[4], a12 = a[5],
|
|
a20 = a[6], a21 = a[7], a22 = a[8],
|
|
|
|
s = Math.sin(rad),
|
|
c = Math.cos(rad);
|
|
|
|
out[0] = c * a00 + s * a10;
|
|
out[1] = c * a01 + s * a11;
|
|
out[2] = c * a02 + s * a12;
|
|
|
|
out[3] = c * a10 - s * a00;
|
|
out[4] = c * a11 - s * a01;
|
|
out[5] = c * a12 - s * a02;
|
|
|
|
out[6] = a20;
|
|
out[7] = a21;
|
|
out[8] = a22;
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Scales the mat3 by the dimensions in the given vec2
|
|
*
|
|
* @param {mat3} out the receiving matrix
|
|
* @param {mat3} a the matrix to rotate
|
|
* @param {vec2} v the vec2 to scale the matrix by
|
|
* @returns {mat3} out
|
|
**/
|
|
mat3.scale = function(out, a, v) {
|
|
var x = v[0], y = v[1];
|
|
|
|
out[0] = x * a[0];
|
|
out[1] = x * a[1];
|
|
out[2] = x * a[2];
|
|
|
|
out[3] = y * a[3];
|
|
out[4] = y * a[4];
|
|
out[5] = y * a[5];
|
|
|
|
out[6] = a[6];
|
|
out[7] = a[7];
|
|
out[8] = a[8];
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Creates a matrix from a vector translation
|
|
* This is equivalent to (but much faster than):
|
|
*
|
|
* mat3.identity(dest);
|
|
* mat3.translate(dest, dest, vec);
|
|
*
|
|
* @param {mat3} out mat3 receiving operation result
|
|
* @param {vec2} v Translation vector
|
|
* @returns {mat3} out
|
|
*/
|
|
mat3.fromTranslation = function(out, v) {
|
|
out[0] = 1;
|
|
out[1] = 0;
|
|
out[2] = 0;
|
|
out[3] = 0;
|
|
out[4] = 1;
|
|
out[5] = 0;
|
|
out[6] = v[0];
|
|
out[7] = v[1];
|
|
out[8] = 1;
|
|
return out;
|
|
}
|
|
|
|
/**
|
|
* Creates a matrix from a given angle
|
|
* This is equivalent to (but much faster than):
|
|
*
|
|
* mat3.identity(dest);
|
|
* mat3.rotate(dest, dest, rad);
|
|
*
|
|
* @param {mat3} out mat3 receiving operation result
|
|
* @param {Number} rad the angle to rotate the matrix by
|
|
* @returns {mat3} out
|
|
*/
|
|
mat3.fromRotation = function(out, rad) {
|
|
var s = Math.sin(rad), c = Math.cos(rad);
|
|
|
|
out[0] = c;
|
|
out[1] = s;
|
|
out[2] = 0;
|
|
|
|
out[3] = -s;
|
|
out[4] = c;
|
|
out[5] = 0;
|
|
|
|
out[6] = 0;
|
|
out[7] = 0;
|
|
out[8] = 1;
|
|
return out;
|
|
}
|
|
|
|
/**
|
|
* Creates a matrix from a vector scaling
|
|
* This is equivalent to (but much faster than):
|
|
*
|
|
* mat3.identity(dest);
|
|
* mat3.scale(dest, dest, vec);
|
|
*
|
|
* @param {mat3} out mat3 receiving operation result
|
|
* @param {vec2} v Scaling vector
|
|
* @returns {mat3} out
|
|
*/
|
|
mat3.fromScaling = function(out, v) {
|
|
out[0] = v[0];
|
|
out[1] = 0;
|
|
out[2] = 0;
|
|
|
|
out[3] = 0;
|
|
out[4] = v[1];
|
|
out[5] = 0;
|
|
|
|
out[6] = 0;
|
|
out[7] = 0;
|
|
out[8] = 1;
|
|
return out;
|
|
}
|
|
|
|
/**
|
|
* Copies the values from a mat2d into a mat3
|
|
*
|
|
* @param {mat3} out the receiving matrix
|
|
* @param {mat2d} a the matrix to copy
|
|
* @returns {mat3} out
|
|
**/
|
|
mat3.fromMat2d = function(out, a) {
|
|
out[0] = a[0];
|
|
out[1] = a[1];
|
|
out[2] = 0;
|
|
|
|
out[3] = a[2];
|
|
out[4] = a[3];
|
|
out[5] = 0;
|
|
|
|
out[6] = a[4];
|
|
out[7] = a[5];
|
|
out[8] = 1;
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Calculates a 3x3 matrix from the given quaternion
|
|
*
|
|
* @param {mat3} out mat3 receiving operation result
|
|
* @param {quat} q Quaternion to create matrix from
|
|
*
|
|
* @returns {mat3} out
|
|
*/
|
|
mat3.fromQuat = function (out, q) {
|
|
var x = q[0], y = q[1], z = q[2], w = q[3],
|
|
x2 = x + x,
|
|
y2 = y + y,
|
|
z2 = z + z,
|
|
|
|
xx = x * x2,
|
|
yx = y * x2,
|
|
yy = y * y2,
|
|
zx = z * x2,
|
|
zy = z * y2,
|
|
zz = z * z2,
|
|
wx = w * x2,
|
|
wy = w * y2,
|
|
wz = w * z2;
|
|
|
|
out[0] = 1 - yy - zz;
|
|
out[3] = yx - wz;
|
|
out[6] = zx + wy;
|
|
|
|
out[1] = yx + wz;
|
|
out[4] = 1 - xx - zz;
|
|
out[7] = zy - wx;
|
|
|
|
out[2] = zx - wy;
|
|
out[5] = zy + wx;
|
|
out[8] = 1 - xx - yy;
|
|
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Calculates a 3x3 normal matrix (transpose inverse) from the 4x4 matrix
|
|
*
|
|
* @param {mat3} out mat3 receiving operation result
|
|
* @param {mat4} a Mat4 to derive the normal matrix from
|
|
*
|
|
* @returns {mat3} out
|
|
*/
|
|
mat3.normalFromMat4 = function (out, a) {
|
|
var a00 = a[0], a01 = a[1], a02 = a[2], a03 = a[3],
|
|
a10 = a[4], a11 = a[5], a12 = a[6], a13 = a[7],
|
|
a20 = a[8], a21 = a[9], a22 = a[10], a23 = a[11],
|
|
a30 = a[12], a31 = a[13], a32 = a[14], a33 = a[15],
|
|
|
|
b00 = a00 * a11 - a01 * a10,
|
|
b01 = a00 * a12 - a02 * a10,
|
|
b02 = a00 * a13 - a03 * a10,
|
|
b03 = a01 * a12 - a02 * a11,
|
|
b04 = a01 * a13 - a03 * a11,
|
|
b05 = a02 * a13 - a03 * a12,
|
|
b06 = a20 * a31 - a21 * a30,
|
|
b07 = a20 * a32 - a22 * a30,
|
|
b08 = a20 * a33 - a23 * a30,
|
|
b09 = a21 * a32 - a22 * a31,
|
|
b10 = a21 * a33 - a23 * a31,
|
|
b11 = a22 * a33 - a23 * a32,
|
|
|
|
// Calculate the determinant
|
|
det = b00 * b11 - b01 * b10 + b02 * b09 + b03 * b08 - b04 * b07 + b05 * b06;
|
|
|
|
if (!det) {
|
|
return null;
|
|
}
|
|
det = 1.0 / det;
|
|
|
|
out[0] = (a11 * b11 - a12 * b10 + a13 * b09) * det;
|
|
out[1] = (a12 * b08 - a10 * b11 - a13 * b07) * det;
|
|
out[2] = (a10 * b10 - a11 * b08 + a13 * b06) * det;
|
|
|
|
out[3] = (a02 * b10 - a01 * b11 - a03 * b09) * det;
|
|
out[4] = (a00 * b11 - a02 * b08 + a03 * b07) * det;
|
|
out[5] = (a01 * b08 - a00 * b10 - a03 * b06) * det;
|
|
|
|
out[6] = (a31 * b05 - a32 * b04 + a33 * b03) * det;
|
|
out[7] = (a32 * b02 - a30 * b05 - a33 * b01) * det;
|
|
out[8] = (a30 * b04 - a31 * b02 + a33 * b00) * det;
|
|
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Returns a string representation of a mat3
|
|
*
|
|
* @param {mat3} mat matrix to represent as a string
|
|
* @returns {String} string representation of the matrix
|
|
*/
|
|
mat3.str = function (a) {
|
|
return 'mat3(' + a[0] + ', ' + a[1] + ', ' + a[2] + ', ' +
|
|
a[3] + ', ' + a[4] + ', ' + a[5] + ', ' +
|
|
a[6] + ', ' + a[7] + ', ' + a[8] + ')';
|
|
};
|
|
|
|
/**
|
|
* Returns Frobenius norm of a mat3
|
|
*
|
|
* @param {mat3} a the matrix to calculate Frobenius norm of
|
|
* @returns {Number} Frobenius norm
|
|
*/
|
|
mat3.frob = function (a) {
|
|
return(Math.sqrt(Math.pow(a[0], 2) + Math.pow(a[1], 2) + Math.pow(a[2], 2) + Math.pow(a[3], 2) + Math.pow(a[4], 2) + Math.pow(a[5], 2) + Math.pow(a[6], 2) + Math.pow(a[7], 2) + Math.pow(a[8], 2)))
|
|
};
|
|
|
|
|
|
module.exports = mat3;
|
|
|
|
|
|
/***/ },
|
|
/* 12 */
|
|
/***/ function(module, exports, __webpack_require__) {
|
|
|
|
/* Copyright (c) 2015, Brandon Jones, Colin MacKenzie IV.
|
|
|
|
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 and this permission notice 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 THE
|
|
AUTHORS OR COPYRIGHT HOLDERS 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. */
|
|
|
|
var glMatrix = __webpack_require__(8);
|
|
|
|
/**
|
|
* @class 4x4 Matrix
|
|
* @name mat4
|
|
*/
|
|
var mat4 = {};
|
|
|
|
/**
|
|
* Creates a new identity mat4
|
|
*
|
|
* @returns {mat4} a new 4x4 matrix
|
|
*/
|
|
mat4.create = function() {
|
|
var out = new glMatrix.ARRAY_TYPE(16);
|
|
out[0] = 1;
|
|
out[1] = 0;
|
|
out[2] = 0;
|
|
out[3] = 0;
|
|
out[4] = 0;
|
|
out[5] = 1;
|
|
out[6] = 0;
|
|
out[7] = 0;
|
|
out[8] = 0;
|
|
out[9] = 0;
|
|
out[10] = 1;
|
|
out[11] = 0;
|
|
out[12] = 0;
|
|
out[13] = 0;
|
|
out[14] = 0;
|
|
out[15] = 1;
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Creates a new mat4 initialized with values from an existing matrix
|
|
*
|
|
* @param {mat4} a matrix to clone
|
|
* @returns {mat4} a new 4x4 matrix
|
|
*/
|
|
mat4.clone = function(a) {
|
|
var out = new glMatrix.ARRAY_TYPE(16);
|
|
out[0] = a[0];
|
|
out[1] = a[1];
|
|
out[2] = a[2];
|
|
out[3] = a[3];
|
|
out[4] = a[4];
|
|
out[5] = a[5];
|
|
out[6] = a[6];
|
|
out[7] = a[7];
|
|
out[8] = a[8];
|
|
out[9] = a[9];
|
|
out[10] = a[10];
|
|
out[11] = a[11];
|
|
out[12] = a[12];
|
|
out[13] = a[13];
|
|
out[14] = a[14];
|
|
out[15] = a[15];
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Copy the values from one mat4 to another
|
|
*
|
|
* @param {mat4} out the receiving matrix
|
|
* @param {mat4} a the source matrix
|
|
* @returns {mat4} out
|
|
*/
|
|
mat4.copy = function(out, a) {
|
|
out[0] = a[0];
|
|
out[1] = a[1];
|
|
out[2] = a[2];
|
|
out[3] = a[3];
|
|
out[4] = a[4];
|
|
out[5] = a[5];
|
|
out[6] = a[6];
|
|
out[7] = a[7];
|
|
out[8] = a[8];
|
|
out[9] = a[9];
|
|
out[10] = a[10];
|
|
out[11] = a[11];
|
|
out[12] = a[12];
|
|
out[13] = a[13];
|
|
out[14] = a[14];
|
|
out[15] = a[15];
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Set a mat4 to the identity matrix
|
|
*
|
|
* @param {mat4} out the receiving matrix
|
|
* @returns {mat4} out
|
|
*/
|
|
mat4.identity = function(out) {
|
|
out[0] = 1;
|
|
out[1] = 0;
|
|
out[2] = 0;
|
|
out[3] = 0;
|
|
out[4] = 0;
|
|
out[5] = 1;
|
|
out[6] = 0;
|
|
out[7] = 0;
|
|
out[8] = 0;
|
|
out[9] = 0;
|
|
out[10] = 1;
|
|
out[11] = 0;
|
|
out[12] = 0;
|
|
out[13] = 0;
|
|
out[14] = 0;
|
|
out[15] = 1;
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Transpose the values of a mat4
|
|
*
|
|
* @param {mat4} out the receiving matrix
|
|
* @param {mat4} a the source matrix
|
|
* @returns {mat4} out
|
|
*/
|
|
mat4.transpose = function(out, a) {
|
|
// If we are transposing ourselves we can skip a few steps but have to cache some values
|
|
if (out === a) {
|
|
var a01 = a[1], a02 = a[2], a03 = a[3],
|
|
a12 = a[6], a13 = a[7],
|
|
a23 = a[11];
|
|
|
|
out[1] = a[4];
|
|
out[2] = a[8];
|
|
out[3] = a[12];
|
|
out[4] = a01;
|
|
out[6] = a[9];
|
|
out[7] = a[13];
|
|
out[8] = a02;
|
|
out[9] = a12;
|
|
out[11] = a[14];
|
|
out[12] = a03;
|
|
out[13] = a13;
|
|
out[14] = a23;
|
|
} else {
|
|
out[0] = a[0];
|
|
out[1] = a[4];
|
|
out[2] = a[8];
|
|
out[3] = a[12];
|
|
out[4] = a[1];
|
|
out[5] = a[5];
|
|
out[6] = a[9];
|
|
out[7] = a[13];
|
|
out[8] = a[2];
|
|
out[9] = a[6];
|
|
out[10] = a[10];
|
|
out[11] = a[14];
|
|
out[12] = a[3];
|
|
out[13] = a[7];
|
|
out[14] = a[11];
|
|
out[15] = a[15];
|
|
}
|
|
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Inverts a mat4
|
|
*
|
|
* @param {mat4} out the receiving matrix
|
|
* @param {mat4} a the source matrix
|
|
* @returns {mat4} out
|
|
*/
|
|
mat4.invert = function(out, a) {
|
|
var a00 = a[0], a01 = a[1], a02 = a[2], a03 = a[3],
|
|
a10 = a[4], a11 = a[5], a12 = a[6], a13 = a[7],
|
|
a20 = a[8], a21 = a[9], a22 = a[10], a23 = a[11],
|
|
a30 = a[12], a31 = a[13], a32 = a[14], a33 = a[15],
|
|
|
|
b00 = a00 * a11 - a01 * a10,
|
|
b01 = a00 * a12 - a02 * a10,
|
|
b02 = a00 * a13 - a03 * a10,
|
|
b03 = a01 * a12 - a02 * a11,
|
|
b04 = a01 * a13 - a03 * a11,
|
|
b05 = a02 * a13 - a03 * a12,
|
|
b06 = a20 * a31 - a21 * a30,
|
|
b07 = a20 * a32 - a22 * a30,
|
|
b08 = a20 * a33 - a23 * a30,
|
|
b09 = a21 * a32 - a22 * a31,
|
|
b10 = a21 * a33 - a23 * a31,
|
|
b11 = a22 * a33 - a23 * a32,
|
|
|
|
// Calculate the determinant
|
|
det = b00 * b11 - b01 * b10 + b02 * b09 + b03 * b08 - b04 * b07 + b05 * b06;
|
|
|
|
if (!det) {
|
|
return null;
|
|
}
|
|
det = 1.0 / det;
|
|
|
|
out[0] = (a11 * b11 - a12 * b10 + a13 * b09) * det;
|
|
out[1] = (a02 * b10 - a01 * b11 - a03 * b09) * det;
|
|
out[2] = (a31 * b05 - a32 * b04 + a33 * b03) * det;
|
|
out[3] = (a22 * b04 - a21 * b05 - a23 * b03) * det;
|
|
out[4] = (a12 * b08 - a10 * b11 - a13 * b07) * det;
|
|
out[5] = (a00 * b11 - a02 * b08 + a03 * b07) * det;
|
|
out[6] = (a32 * b02 - a30 * b05 - a33 * b01) * det;
|
|
out[7] = (a20 * b05 - a22 * b02 + a23 * b01) * det;
|
|
out[8] = (a10 * b10 - a11 * b08 + a13 * b06) * det;
|
|
out[9] = (a01 * b08 - a00 * b10 - a03 * b06) * det;
|
|
out[10] = (a30 * b04 - a31 * b02 + a33 * b00) * det;
|
|
out[11] = (a21 * b02 - a20 * b04 - a23 * b00) * det;
|
|
out[12] = (a11 * b07 - a10 * b09 - a12 * b06) * det;
|
|
out[13] = (a00 * b09 - a01 * b07 + a02 * b06) * det;
|
|
out[14] = (a31 * b01 - a30 * b03 - a32 * b00) * det;
|
|
out[15] = (a20 * b03 - a21 * b01 + a22 * b00) * det;
|
|
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Calculates the adjugate of a mat4
|
|
*
|
|
* @param {mat4} out the receiving matrix
|
|
* @param {mat4} a the source matrix
|
|
* @returns {mat4} out
|
|
*/
|
|
mat4.adjoint = function(out, a) {
|
|
var a00 = a[0], a01 = a[1], a02 = a[2], a03 = a[3],
|
|
a10 = a[4], a11 = a[5], a12 = a[6], a13 = a[7],
|
|
a20 = a[8], a21 = a[9], a22 = a[10], a23 = a[11],
|
|
a30 = a[12], a31 = a[13], a32 = a[14], a33 = a[15];
|
|
|
|
out[0] = (a11 * (a22 * a33 - a23 * a32) - a21 * (a12 * a33 - a13 * a32) + a31 * (a12 * a23 - a13 * a22));
|
|
out[1] = -(a01 * (a22 * a33 - a23 * a32) - a21 * (a02 * a33 - a03 * a32) + a31 * (a02 * a23 - a03 * a22));
|
|
out[2] = (a01 * (a12 * a33 - a13 * a32) - a11 * (a02 * a33 - a03 * a32) + a31 * (a02 * a13 - a03 * a12));
|
|
out[3] = -(a01 * (a12 * a23 - a13 * a22) - a11 * (a02 * a23 - a03 * a22) + a21 * (a02 * a13 - a03 * a12));
|
|
out[4] = -(a10 * (a22 * a33 - a23 * a32) - a20 * (a12 * a33 - a13 * a32) + a30 * (a12 * a23 - a13 * a22));
|
|
out[5] = (a00 * (a22 * a33 - a23 * a32) - a20 * (a02 * a33 - a03 * a32) + a30 * (a02 * a23 - a03 * a22));
|
|
out[6] = -(a00 * (a12 * a33 - a13 * a32) - a10 * (a02 * a33 - a03 * a32) + a30 * (a02 * a13 - a03 * a12));
|
|
out[7] = (a00 * (a12 * a23 - a13 * a22) - a10 * (a02 * a23 - a03 * a22) + a20 * (a02 * a13 - a03 * a12));
|
|
out[8] = (a10 * (a21 * a33 - a23 * a31) - a20 * (a11 * a33 - a13 * a31) + a30 * (a11 * a23 - a13 * a21));
|
|
out[9] = -(a00 * (a21 * a33 - a23 * a31) - a20 * (a01 * a33 - a03 * a31) + a30 * (a01 * a23 - a03 * a21));
|
|
out[10] = (a00 * (a11 * a33 - a13 * a31) - a10 * (a01 * a33 - a03 * a31) + a30 * (a01 * a13 - a03 * a11));
|
|
out[11] = -(a00 * (a11 * a23 - a13 * a21) - a10 * (a01 * a23 - a03 * a21) + a20 * (a01 * a13 - a03 * a11));
|
|
out[12] = -(a10 * (a21 * a32 - a22 * a31) - a20 * (a11 * a32 - a12 * a31) + a30 * (a11 * a22 - a12 * a21));
|
|
out[13] = (a00 * (a21 * a32 - a22 * a31) - a20 * (a01 * a32 - a02 * a31) + a30 * (a01 * a22 - a02 * a21));
|
|
out[14] = -(a00 * (a11 * a32 - a12 * a31) - a10 * (a01 * a32 - a02 * a31) + a30 * (a01 * a12 - a02 * a11));
|
|
out[15] = (a00 * (a11 * a22 - a12 * a21) - a10 * (a01 * a22 - a02 * a21) + a20 * (a01 * a12 - a02 * a11));
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Calculates the determinant of a mat4
|
|
*
|
|
* @param {mat4} a the source matrix
|
|
* @returns {Number} determinant of a
|
|
*/
|
|
mat4.determinant = function (a) {
|
|
var a00 = a[0], a01 = a[1], a02 = a[2], a03 = a[3],
|
|
a10 = a[4], a11 = a[5], a12 = a[6], a13 = a[7],
|
|
a20 = a[8], a21 = a[9], a22 = a[10], a23 = a[11],
|
|
a30 = a[12], a31 = a[13], a32 = a[14], a33 = a[15],
|
|
|
|
b00 = a00 * a11 - a01 * a10,
|
|
b01 = a00 * a12 - a02 * a10,
|
|
b02 = a00 * a13 - a03 * a10,
|
|
b03 = a01 * a12 - a02 * a11,
|
|
b04 = a01 * a13 - a03 * a11,
|
|
b05 = a02 * a13 - a03 * a12,
|
|
b06 = a20 * a31 - a21 * a30,
|
|
b07 = a20 * a32 - a22 * a30,
|
|
b08 = a20 * a33 - a23 * a30,
|
|
b09 = a21 * a32 - a22 * a31,
|
|
b10 = a21 * a33 - a23 * a31,
|
|
b11 = a22 * a33 - a23 * a32;
|
|
|
|
// Calculate the determinant
|
|
return b00 * b11 - b01 * b10 + b02 * b09 + b03 * b08 - b04 * b07 + b05 * b06;
|
|
};
|
|
|
|
/**
|
|
* Multiplies two mat4's
|
|
*
|
|
* @param {mat4} out the receiving matrix
|
|
* @param {mat4} a the first operand
|
|
* @param {mat4} b the second operand
|
|
* @returns {mat4} out
|
|
*/
|
|
mat4.multiply = function (out, a, b) {
|
|
var a00 = a[0], a01 = a[1], a02 = a[2], a03 = a[3],
|
|
a10 = a[4], a11 = a[5], a12 = a[6], a13 = a[7],
|
|
a20 = a[8], a21 = a[9], a22 = a[10], a23 = a[11],
|
|
a30 = a[12], a31 = a[13], a32 = a[14], a33 = a[15];
|
|
|
|
// Cache only the current line of the second matrix
|
|
var b0 = b[0], b1 = b[1], b2 = b[2], b3 = b[3];
|
|
out[0] = b0*a00 + b1*a10 + b2*a20 + b3*a30;
|
|
out[1] = b0*a01 + b1*a11 + b2*a21 + b3*a31;
|
|
out[2] = b0*a02 + b1*a12 + b2*a22 + b3*a32;
|
|
out[3] = b0*a03 + b1*a13 + b2*a23 + b3*a33;
|
|
|
|
b0 = b[4]; b1 = b[5]; b2 = b[6]; b3 = b[7];
|
|
out[4] = b0*a00 + b1*a10 + b2*a20 + b3*a30;
|
|
out[5] = b0*a01 + b1*a11 + b2*a21 + b3*a31;
|
|
out[6] = b0*a02 + b1*a12 + b2*a22 + b3*a32;
|
|
out[7] = b0*a03 + b1*a13 + b2*a23 + b3*a33;
|
|
|
|
b0 = b[8]; b1 = b[9]; b2 = b[10]; b3 = b[11];
|
|
out[8] = b0*a00 + b1*a10 + b2*a20 + b3*a30;
|
|
out[9] = b0*a01 + b1*a11 + b2*a21 + b3*a31;
|
|
out[10] = b0*a02 + b1*a12 + b2*a22 + b3*a32;
|
|
out[11] = b0*a03 + b1*a13 + b2*a23 + b3*a33;
|
|
|
|
b0 = b[12]; b1 = b[13]; b2 = b[14]; b3 = b[15];
|
|
out[12] = b0*a00 + b1*a10 + b2*a20 + b3*a30;
|
|
out[13] = b0*a01 + b1*a11 + b2*a21 + b3*a31;
|
|
out[14] = b0*a02 + b1*a12 + b2*a22 + b3*a32;
|
|
out[15] = b0*a03 + b1*a13 + b2*a23 + b3*a33;
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Alias for {@link mat4.multiply}
|
|
* @function
|
|
*/
|
|
mat4.mul = mat4.multiply;
|
|
|
|
/**
|
|
* Translate a mat4 by the given vector
|
|
*
|
|
* @param {mat4} out the receiving matrix
|
|
* @param {mat4} a the matrix to translate
|
|
* @param {vec3} v vector to translate by
|
|
* @returns {mat4} out
|
|
*/
|
|
mat4.translate = function (out, a, v) {
|
|
var x = v[0], y = v[1], z = v[2],
|
|
a00, a01, a02, a03,
|
|
a10, a11, a12, a13,
|
|
a20, a21, a22, a23;
|
|
|
|
if (a === out) {
|
|
out[12] = a[0] * x + a[4] * y + a[8] * z + a[12];
|
|
out[13] = a[1] * x + a[5] * y + a[9] * z + a[13];
|
|
out[14] = a[2] * x + a[6] * y + a[10] * z + a[14];
|
|
out[15] = a[3] * x + a[7] * y + a[11] * z + a[15];
|
|
} else {
|
|
a00 = a[0]; a01 = a[1]; a02 = a[2]; a03 = a[3];
|
|
a10 = a[4]; a11 = a[5]; a12 = a[6]; a13 = a[7];
|
|
a20 = a[8]; a21 = a[9]; a22 = a[10]; a23 = a[11];
|
|
|
|
out[0] = a00; out[1] = a01; out[2] = a02; out[3] = a03;
|
|
out[4] = a10; out[5] = a11; out[6] = a12; out[7] = a13;
|
|
out[8] = a20; out[9] = a21; out[10] = a22; out[11] = a23;
|
|
|
|
out[12] = a00 * x + a10 * y + a20 * z + a[12];
|
|
out[13] = a01 * x + a11 * y + a21 * z + a[13];
|
|
out[14] = a02 * x + a12 * y + a22 * z + a[14];
|
|
out[15] = a03 * x + a13 * y + a23 * z + a[15];
|
|
}
|
|
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Scales the mat4 by the dimensions in the given vec3
|
|
*
|
|
* @param {mat4} out the receiving matrix
|
|
* @param {mat4} a the matrix to scale
|
|
* @param {vec3} v the vec3 to scale the matrix by
|
|
* @returns {mat4} out
|
|
**/
|
|
mat4.scale = function(out, a, v) {
|
|
var x = v[0], y = v[1], z = v[2];
|
|
|
|
out[0] = a[0] * x;
|
|
out[1] = a[1] * x;
|
|
out[2] = a[2] * x;
|
|
out[3] = a[3] * x;
|
|
out[4] = a[4] * y;
|
|
out[5] = a[5] * y;
|
|
out[6] = a[6] * y;
|
|
out[7] = a[7] * y;
|
|
out[8] = a[8] * z;
|
|
out[9] = a[9] * z;
|
|
out[10] = a[10] * z;
|
|
out[11] = a[11] * z;
|
|
out[12] = a[12];
|
|
out[13] = a[13];
|
|
out[14] = a[14];
|
|
out[15] = a[15];
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Rotates a mat4 by the given angle around the given axis
|
|
*
|
|
* @param {mat4} out the receiving matrix
|
|
* @param {mat4} a the matrix to rotate
|
|
* @param {Number} rad the angle to rotate the matrix by
|
|
* @param {vec3} axis the axis to rotate around
|
|
* @returns {mat4} out
|
|
*/
|
|
mat4.rotate = function (out, a, rad, axis) {
|
|
var x = axis[0], y = axis[1], z = axis[2],
|
|
len = Math.sqrt(x * x + y * y + z * z),
|
|
s, c, t,
|
|
a00, a01, a02, a03,
|
|
a10, a11, a12, a13,
|
|
a20, a21, a22, a23,
|
|
b00, b01, b02,
|
|
b10, b11, b12,
|
|
b20, b21, b22;
|
|
|
|
if (Math.abs(len) < glMatrix.EPSILON) { return null; }
|
|
|
|
len = 1 / len;
|
|
x *= len;
|
|
y *= len;
|
|
z *= len;
|
|
|
|
s = Math.sin(rad);
|
|
c = Math.cos(rad);
|
|
t = 1 - c;
|
|
|
|
a00 = a[0]; a01 = a[1]; a02 = a[2]; a03 = a[3];
|
|
a10 = a[4]; a11 = a[5]; a12 = a[6]; a13 = a[7];
|
|
a20 = a[8]; a21 = a[9]; a22 = a[10]; a23 = a[11];
|
|
|
|
// Construct the elements of the rotation matrix
|
|
b00 = x * x * t + c; b01 = y * x * t + z * s; b02 = z * x * t - y * s;
|
|
b10 = x * y * t - z * s; b11 = y * y * t + c; b12 = z * y * t + x * s;
|
|
b20 = x * z * t + y * s; b21 = y * z * t - x * s; b22 = z * z * t + c;
|
|
|
|
// Perform rotation-specific matrix multiplication
|
|
out[0] = a00 * b00 + a10 * b01 + a20 * b02;
|
|
out[1] = a01 * b00 + a11 * b01 + a21 * b02;
|
|
out[2] = a02 * b00 + a12 * b01 + a22 * b02;
|
|
out[3] = a03 * b00 + a13 * b01 + a23 * b02;
|
|
out[4] = a00 * b10 + a10 * b11 + a20 * b12;
|
|
out[5] = a01 * b10 + a11 * b11 + a21 * b12;
|
|
out[6] = a02 * b10 + a12 * b11 + a22 * b12;
|
|
out[7] = a03 * b10 + a13 * b11 + a23 * b12;
|
|
out[8] = a00 * b20 + a10 * b21 + a20 * b22;
|
|
out[9] = a01 * b20 + a11 * b21 + a21 * b22;
|
|
out[10] = a02 * b20 + a12 * b21 + a22 * b22;
|
|
out[11] = a03 * b20 + a13 * b21 + a23 * b22;
|
|
|
|
if (a !== out) { // If the source and destination differ, copy the unchanged last row
|
|
out[12] = a[12];
|
|
out[13] = a[13];
|
|
out[14] = a[14];
|
|
out[15] = a[15];
|
|
}
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Rotates a matrix by the given angle around the X axis
|
|
*
|
|
* @param {mat4} out the receiving matrix
|
|
* @param {mat4} a the matrix to rotate
|
|
* @param {Number} rad the angle to rotate the matrix by
|
|
* @returns {mat4} out
|
|
*/
|
|
mat4.rotateX = function (out, a, rad) {
|
|
var s = Math.sin(rad),
|
|
c = Math.cos(rad),
|
|
a10 = a[4],
|
|
a11 = a[5],
|
|
a12 = a[6],
|
|
a13 = a[7],
|
|
a20 = a[8],
|
|
a21 = a[9],
|
|
a22 = a[10],
|
|
a23 = a[11];
|
|
|
|
if (a !== out) { // If the source and destination differ, copy the unchanged rows
|
|
out[0] = a[0];
|
|
out[1] = a[1];
|
|
out[2] = a[2];
|
|
out[3] = a[3];
|
|
out[12] = a[12];
|
|
out[13] = a[13];
|
|
out[14] = a[14];
|
|
out[15] = a[15];
|
|
}
|
|
|
|
// Perform axis-specific matrix multiplication
|
|
out[4] = a10 * c + a20 * s;
|
|
out[5] = a11 * c + a21 * s;
|
|
out[6] = a12 * c + a22 * s;
|
|
out[7] = a13 * c + a23 * s;
|
|
out[8] = a20 * c - a10 * s;
|
|
out[9] = a21 * c - a11 * s;
|
|
out[10] = a22 * c - a12 * s;
|
|
out[11] = a23 * c - a13 * s;
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Rotates a matrix by the given angle around the Y axis
|
|
*
|
|
* @param {mat4} out the receiving matrix
|
|
* @param {mat4} a the matrix to rotate
|
|
* @param {Number} rad the angle to rotate the matrix by
|
|
* @returns {mat4} out
|
|
*/
|
|
mat4.rotateY = function (out, a, rad) {
|
|
var s = Math.sin(rad),
|
|
c = Math.cos(rad),
|
|
a00 = a[0],
|
|
a01 = a[1],
|
|
a02 = a[2],
|
|
a03 = a[3],
|
|
a20 = a[8],
|
|
a21 = a[9],
|
|
a22 = a[10],
|
|
a23 = a[11];
|
|
|
|
if (a !== out) { // If the source and destination differ, copy the unchanged rows
|
|
out[4] = a[4];
|
|
out[5] = a[5];
|
|
out[6] = a[6];
|
|
out[7] = a[7];
|
|
out[12] = a[12];
|
|
out[13] = a[13];
|
|
out[14] = a[14];
|
|
out[15] = a[15];
|
|
}
|
|
|
|
// Perform axis-specific matrix multiplication
|
|
out[0] = a00 * c - a20 * s;
|
|
out[1] = a01 * c - a21 * s;
|
|
out[2] = a02 * c - a22 * s;
|
|
out[3] = a03 * c - a23 * s;
|
|
out[8] = a00 * s + a20 * c;
|
|
out[9] = a01 * s + a21 * c;
|
|
out[10] = a02 * s + a22 * c;
|
|
out[11] = a03 * s + a23 * c;
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Rotates a matrix by the given angle around the Z axis
|
|
*
|
|
* @param {mat4} out the receiving matrix
|
|
* @param {mat4} a the matrix to rotate
|
|
* @param {Number} rad the angle to rotate the matrix by
|
|
* @returns {mat4} out
|
|
*/
|
|
mat4.rotateZ = function (out, a, rad) {
|
|
var s = Math.sin(rad),
|
|
c = Math.cos(rad),
|
|
a00 = a[0],
|
|
a01 = a[1],
|
|
a02 = a[2],
|
|
a03 = a[3],
|
|
a10 = a[4],
|
|
a11 = a[5],
|
|
a12 = a[6],
|
|
a13 = a[7];
|
|
|
|
if (a !== out) { // If the source and destination differ, copy the unchanged last row
|
|
out[8] = a[8];
|
|
out[9] = a[9];
|
|
out[10] = a[10];
|
|
out[11] = a[11];
|
|
out[12] = a[12];
|
|
out[13] = a[13];
|
|
out[14] = a[14];
|
|
out[15] = a[15];
|
|
}
|
|
|
|
// Perform axis-specific matrix multiplication
|
|
out[0] = a00 * c + a10 * s;
|
|
out[1] = a01 * c + a11 * s;
|
|
out[2] = a02 * c + a12 * s;
|
|
out[3] = a03 * c + a13 * s;
|
|
out[4] = a10 * c - a00 * s;
|
|
out[5] = a11 * c - a01 * s;
|
|
out[6] = a12 * c - a02 * s;
|
|
out[7] = a13 * c - a03 * s;
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Creates a matrix from a vector translation
|
|
* This is equivalent to (but much faster than):
|
|
*
|
|
* mat4.identity(dest);
|
|
* mat4.translate(dest, dest, vec);
|
|
*
|
|
* @param {mat4} out mat4 receiving operation result
|
|
* @param {vec3} v Translation vector
|
|
* @returns {mat4} out
|
|
*/
|
|
mat4.fromTranslation = function(out, v) {
|
|
out[0] = 1;
|
|
out[1] = 0;
|
|
out[2] = 0;
|
|
out[3] = 0;
|
|
out[4] = 0;
|
|
out[5] = 1;
|
|
out[6] = 0;
|
|
out[7] = 0;
|
|
out[8] = 0;
|
|
out[9] = 0;
|
|
out[10] = 1;
|
|
out[11] = 0;
|
|
out[12] = v[0];
|
|
out[13] = v[1];
|
|
out[14] = v[2];
|
|
out[15] = 1;
|
|
return out;
|
|
}
|
|
|
|
/**
|
|
* Creates a matrix from a vector scaling
|
|
* This is equivalent to (but much faster than):
|
|
*
|
|
* mat4.identity(dest);
|
|
* mat4.scale(dest, dest, vec);
|
|
*
|
|
* @param {mat4} out mat4 receiving operation result
|
|
* @param {vec3} v Scaling vector
|
|
* @returns {mat4} out
|
|
*/
|
|
mat4.fromScaling = function(out, v) {
|
|
out[0] = v[0];
|
|
out[1] = 0;
|
|
out[2] = 0;
|
|
out[3] = 0;
|
|
out[4] = 0;
|
|
out[5] = v[1];
|
|
out[6] = 0;
|
|
out[7] = 0;
|
|
out[8] = 0;
|
|
out[9] = 0;
|
|
out[10] = v[2];
|
|
out[11] = 0;
|
|
out[12] = 0;
|
|
out[13] = 0;
|
|
out[14] = 0;
|
|
out[15] = 1;
|
|
return out;
|
|
}
|
|
|
|
/**
|
|
* Creates a matrix from a given angle around a given axis
|
|
* This is equivalent to (but much faster than):
|
|
*
|
|
* mat4.identity(dest);
|
|
* mat4.rotate(dest, dest, rad, axis);
|
|
*
|
|
* @param {mat4} out mat4 receiving operation result
|
|
* @param {Number} rad the angle to rotate the matrix by
|
|
* @param {vec3} axis the axis to rotate around
|
|
* @returns {mat4} out
|
|
*/
|
|
mat4.fromRotation = function(out, rad, axis) {
|
|
var x = axis[0], y = axis[1], z = axis[2],
|
|
len = Math.sqrt(x * x + y * y + z * z),
|
|
s, c, t;
|
|
|
|
if (Math.abs(len) < glMatrix.EPSILON) { return null; }
|
|
|
|
len = 1 / len;
|
|
x *= len;
|
|
y *= len;
|
|
z *= len;
|
|
|
|
s = Math.sin(rad);
|
|
c = Math.cos(rad);
|
|
t = 1 - c;
|
|
|
|
// Perform rotation-specific matrix multiplication
|
|
out[0] = x * x * t + c;
|
|
out[1] = y * x * t + z * s;
|
|
out[2] = z * x * t - y * s;
|
|
out[3] = 0;
|
|
out[4] = x * y * t - z * s;
|
|
out[5] = y * y * t + c;
|
|
out[6] = z * y * t + x * s;
|
|
out[7] = 0;
|
|
out[8] = x * z * t + y * s;
|
|
out[9] = y * z * t - x * s;
|
|
out[10] = z * z * t + c;
|
|
out[11] = 0;
|
|
out[12] = 0;
|
|
out[13] = 0;
|
|
out[14] = 0;
|
|
out[15] = 1;
|
|
return out;
|
|
}
|
|
|
|
/**
|
|
* Creates a matrix from the given angle around the X axis
|
|
* This is equivalent to (but much faster than):
|
|
*
|
|
* mat4.identity(dest);
|
|
* mat4.rotateX(dest, dest, rad);
|
|
*
|
|
* @param {mat4} out mat4 receiving operation result
|
|
* @param {Number} rad the angle to rotate the matrix by
|
|
* @returns {mat4} out
|
|
*/
|
|
mat4.fromXRotation = function(out, rad) {
|
|
var s = Math.sin(rad),
|
|
c = Math.cos(rad);
|
|
|
|
// Perform axis-specific matrix multiplication
|
|
out[0] = 1;
|
|
out[1] = 0;
|
|
out[2] = 0;
|
|
out[3] = 0;
|
|
out[4] = 0;
|
|
out[5] = c;
|
|
out[6] = s;
|
|
out[7] = 0;
|
|
out[8] = 0;
|
|
out[9] = -s;
|
|
out[10] = c;
|
|
out[11] = 0;
|
|
out[12] = 0;
|
|
out[13] = 0;
|
|
out[14] = 0;
|
|
out[15] = 1;
|
|
return out;
|
|
}
|
|
|
|
/**
|
|
* Creates a matrix from the given angle around the Y axis
|
|
* This is equivalent to (but much faster than):
|
|
*
|
|
* mat4.identity(dest);
|
|
* mat4.rotateY(dest, dest, rad);
|
|
*
|
|
* @param {mat4} out mat4 receiving operation result
|
|
* @param {Number} rad the angle to rotate the matrix by
|
|
* @returns {mat4} out
|
|
*/
|
|
mat4.fromYRotation = function(out, rad) {
|
|
var s = Math.sin(rad),
|
|
c = Math.cos(rad);
|
|
|
|
// Perform axis-specific matrix multiplication
|
|
out[0] = c;
|
|
out[1] = 0;
|
|
out[2] = -s;
|
|
out[3] = 0;
|
|
out[4] = 0;
|
|
out[5] = 1;
|
|
out[6] = 0;
|
|
out[7] = 0;
|
|
out[8] = s;
|
|
out[9] = 0;
|
|
out[10] = c;
|
|
out[11] = 0;
|
|
out[12] = 0;
|
|
out[13] = 0;
|
|
out[14] = 0;
|
|
out[15] = 1;
|
|
return out;
|
|
}
|
|
|
|
/**
|
|
* Creates a matrix from the given angle around the Z axis
|
|
* This is equivalent to (but much faster than):
|
|
*
|
|
* mat4.identity(dest);
|
|
* mat4.rotateZ(dest, dest, rad);
|
|
*
|
|
* @param {mat4} out mat4 receiving operation result
|
|
* @param {Number} rad the angle to rotate the matrix by
|
|
* @returns {mat4} out
|
|
*/
|
|
mat4.fromZRotation = function(out, rad) {
|
|
var s = Math.sin(rad),
|
|
c = Math.cos(rad);
|
|
|
|
// Perform axis-specific matrix multiplication
|
|
out[0] = c;
|
|
out[1] = s;
|
|
out[2] = 0;
|
|
out[3] = 0;
|
|
out[4] = -s;
|
|
out[5] = c;
|
|
out[6] = 0;
|
|
out[7] = 0;
|
|
out[8] = 0;
|
|
out[9] = 0;
|
|
out[10] = 1;
|
|
out[11] = 0;
|
|
out[12] = 0;
|
|
out[13] = 0;
|
|
out[14] = 0;
|
|
out[15] = 1;
|
|
return out;
|
|
}
|
|
|
|
/**
|
|
* Creates a matrix from a quaternion rotation and vector translation
|
|
* This is equivalent to (but much faster than):
|
|
*
|
|
* mat4.identity(dest);
|
|
* mat4.translate(dest, vec);
|
|
* var quatMat = mat4.create();
|
|
* quat4.toMat4(quat, quatMat);
|
|
* mat4.multiply(dest, quatMat);
|
|
*
|
|
* @param {mat4} out mat4 receiving operation result
|
|
* @param {quat4} q Rotation quaternion
|
|
* @param {vec3} v Translation vector
|
|
* @returns {mat4} out
|
|
*/
|
|
mat4.fromRotationTranslation = function (out, q, v) {
|
|
// Quaternion math
|
|
var x = q[0], y = q[1], z = q[2], w = q[3],
|
|
x2 = x + x,
|
|
y2 = y + y,
|
|
z2 = z + z,
|
|
|
|
xx = x * x2,
|
|
xy = x * y2,
|
|
xz = x * z2,
|
|
yy = y * y2,
|
|
yz = y * z2,
|
|
zz = z * z2,
|
|
wx = w * x2,
|
|
wy = w * y2,
|
|
wz = w * z2;
|
|
|
|
out[0] = 1 - (yy + zz);
|
|
out[1] = xy + wz;
|
|
out[2] = xz - wy;
|
|
out[3] = 0;
|
|
out[4] = xy - wz;
|
|
out[5] = 1 - (xx + zz);
|
|
out[6] = yz + wx;
|
|
out[7] = 0;
|
|
out[8] = xz + wy;
|
|
out[9] = yz - wx;
|
|
out[10] = 1 - (xx + yy);
|
|
out[11] = 0;
|
|
out[12] = v[0];
|
|
out[13] = v[1];
|
|
out[14] = v[2];
|
|
out[15] = 1;
|
|
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Creates a matrix from a quaternion rotation, vector translation and vector scale
|
|
* This is equivalent to (but much faster than):
|
|
*
|
|
* mat4.identity(dest);
|
|
* mat4.translate(dest, vec);
|
|
* var quatMat = mat4.create();
|
|
* quat4.toMat4(quat, quatMat);
|
|
* mat4.multiply(dest, quatMat);
|
|
* mat4.scale(dest, scale)
|
|
*
|
|
* @param {mat4} out mat4 receiving operation result
|
|
* @param {quat4} q Rotation quaternion
|
|
* @param {vec3} v Translation vector
|
|
* @param {vec3} s Scaling vector
|
|
* @returns {mat4} out
|
|
*/
|
|
mat4.fromRotationTranslationScale = function (out, q, v, s) {
|
|
// Quaternion math
|
|
var x = q[0], y = q[1], z = q[2], w = q[3],
|
|
x2 = x + x,
|
|
y2 = y + y,
|
|
z2 = z + z,
|
|
|
|
xx = x * x2,
|
|
xy = x * y2,
|
|
xz = x * z2,
|
|
yy = y * y2,
|
|
yz = y * z2,
|
|
zz = z * z2,
|
|
wx = w * x2,
|
|
wy = w * y2,
|
|
wz = w * z2,
|
|
sx = s[0],
|
|
sy = s[1],
|
|
sz = s[2];
|
|
|
|
out[0] = (1 - (yy + zz)) * sx;
|
|
out[1] = (xy + wz) * sx;
|
|
out[2] = (xz - wy) * sx;
|
|
out[3] = 0;
|
|
out[4] = (xy - wz) * sy;
|
|
out[5] = (1 - (xx + zz)) * sy;
|
|
out[6] = (yz + wx) * sy;
|
|
out[7] = 0;
|
|
out[8] = (xz + wy) * sz;
|
|
out[9] = (yz - wx) * sz;
|
|
out[10] = (1 - (xx + yy)) * sz;
|
|
out[11] = 0;
|
|
out[12] = v[0];
|
|
out[13] = v[1];
|
|
out[14] = v[2];
|
|
out[15] = 1;
|
|
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Creates a matrix from a quaternion rotation, vector translation and vector scale, rotating and scaling around the given origin
|
|
* This is equivalent to (but much faster than):
|
|
*
|
|
* mat4.identity(dest);
|
|
* mat4.translate(dest, vec);
|
|
* mat4.translate(dest, origin);
|
|
* var quatMat = mat4.create();
|
|
* quat4.toMat4(quat, quatMat);
|
|
* mat4.multiply(dest, quatMat);
|
|
* mat4.scale(dest, scale)
|
|
* mat4.translate(dest, negativeOrigin);
|
|
*
|
|
* @param {mat4} out mat4 receiving operation result
|
|
* @param {quat4} q Rotation quaternion
|
|
* @param {vec3} v Translation vector
|
|
* @param {vec3} s Scaling vector
|
|
* @param {vec3} o The origin vector around which to scale and rotate
|
|
* @returns {mat4} out
|
|
*/
|
|
mat4.fromRotationTranslationScaleOrigin = function (out, q, v, s, o) {
|
|
// Quaternion math
|
|
var x = q[0], y = q[1], z = q[2], w = q[3],
|
|
x2 = x + x,
|
|
y2 = y + y,
|
|
z2 = z + z,
|
|
|
|
xx = x * x2,
|
|
xy = x * y2,
|
|
xz = x * z2,
|
|
yy = y * y2,
|
|
yz = y * z2,
|
|
zz = z * z2,
|
|
wx = w * x2,
|
|
wy = w * y2,
|
|
wz = w * z2,
|
|
|
|
sx = s[0],
|
|
sy = s[1],
|
|
sz = s[2],
|
|
|
|
ox = o[0],
|
|
oy = o[1],
|
|
oz = o[2];
|
|
|
|
out[0] = (1 - (yy + zz)) * sx;
|
|
out[1] = (xy + wz) * sx;
|
|
out[2] = (xz - wy) * sx;
|
|
out[3] = 0;
|
|
out[4] = (xy - wz) * sy;
|
|
out[5] = (1 - (xx + zz)) * sy;
|
|
out[6] = (yz + wx) * sy;
|
|
out[7] = 0;
|
|
out[8] = (xz + wy) * sz;
|
|
out[9] = (yz - wx) * sz;
|
|
out[10] = (1 - (xx + yy)) * sz;
|
|
out[11] = 0;
|
|
out[12] = v[0] + ox - (out[0] * ox + out[4] * oy + out[8] * oz);
|
|
out[13] = v[1] + oy - (out[1] * ox + out[5] * oy + out[9] * oz);
|
|
out[14] = v[2] + oz - (out[2] * ox + out[6] * oy + out[10] * oz);
|
|
out[15] = 1;
|
|
|
|
return out;
|
|
};
|
|
|
|
mat4.fromQuat = function (out, q) {
|
|
var x = q[0], y = q[1], z = q[2], w = q[3],
|
|
x2 = x + x,
|
|
y2 = y + y,
|
|
z2 = z + z,
|
|
|
|
xx = x * x2,
|
|
yx = y * x2,
|
|
yy = y * y2,
|
|
zx = z * x2,
|
|
zy = z * y2,
|
|
zz = z * z2,
|
|
wx = w * x2,
|
|
wy = w * y2,
|
|
wz = w * z2;
|
|
|
|
out[0] = 1 - yy - zz;
|
|
out[1] = yx + wz;
|
|
out[2] = zx - wy;
|
|
out[3] = 0;
|
|
|
|
out[4] = yx - wz;
|
|
out[5] = 1 - xx - zz;
|
|
out[6] = zy + wx;
|
|
out[7] = 0;
|
|
|
|
out[8] = zx + wy;
|
|
out[9] = zy - wx;
|
|
out[10] = 1 - xx - yy;
|
|
out[11] = 0;
|
|
|
|
out[12] = 0;
|
|
out[13] = 0;
|
|
out[14] = 0;
|
|
out[15] = 1;
|
|
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Generates a frustum matrix with the given bounds
|
|
*
|
|
* @param {mat4} out mat4 frustum matrix will be written into
|
|
* @param {Number} left Left bound of the frustum
|
|
* @param {Number} right Right bound of the frustum
|
|
* @param {Number} bottom Bottom bound of the frustum
|
|
* @param {Number} top Top bound of the frustum
|
|
* @param {Number} near Near bound of the frustum
|
|
* @param {Number} far Far bound of the frustum
|
|
* @returns {mat4} out
|
|
*/
|
|
mat4.frustum = function (out, left, right, bottom, top, near, far) {
|
|
var rl = 1 / (right - left),
|
|
tb = 1 / (top - bottom),
|
|
nf = 1 / (near - far);
|
|
out[0] = (near * 2) * rl;
|
|
out[1] = 0;
|
|
out[2] = 0;
|
|
out[3] = 0;
|
|
out[4] = 0;
|
|
out[5] = (near * 2) * tb;
|
|
out[6] = 0;
|
|
out[7] = 0;
|
|
out[8] = (right + left) * rl;
|
|
out[9] = (top + bottom) * tb;
|
|
out[10] = (far + near) * nf;
|
|
out[11] = -1;
|
|
out[12] = 0;
|
|
out[13] = 0;
|
|
out[14] = (far * near * 2) * nf;
|
|
out[15] = 0;
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Generates a perspective projection matrix with the given bounds
|
|
*
|
|
* @param {mat4} out mat4 frustum matrix will be written into
|
|
* @param {number} fovy Vertical field of view in radians
|
|
* @param {number} aspect Aspect ratio. typically viewport width/height
|
|
* @param {number} near Near bound of the frustum
|
|
* @param {number} far Far bound of the frustum
|
|
* @returns {mat4} out
|
|
*/
|
|
mat4.perspective = function (out, fovy, aspect, near, far) {
|
|
var f = 1.0 / Math.tan(fovy / 2),
|
|
nf = 1 / (near - far);
|
|
out[0] = f / aspect;
|
|
out[1] = 0;
|
|
out[2] = 0;
|
|
out[3] = 0;
|
|
out[4] = 0;
|
|
out[5] = f;
|
|
out[6] = 0;
|
|
out[7] = 0;
|
|
out[8] = 0;
|
|
out[9] = 0;
|
|
out[10] = (far + near) * nf;
|
|
out[11] = -1;
|
|
out[12] = 0;
|
|
out[13] = 0;
|
|
out[14] = (2 * far * near) * nf;
|
|
out[15] = 0;
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Generates a perspective projection matrix with the given field of view.
|
|
* This is primarily useful for generating projection matrices to be used
|
|
* with the still experiemental WebVR API.
|
|
*
|
|
* @param {mat4} out mat4 frustum matrix will be written into
|
|
* @param {number} fov Object containing the following values: upDegrees, downDegrees, leftDegrees, rightDegrees
|
|
* @param {number} near Near bound of the frustum
|
|
* @param {number} far Far bound of the frustum
|
|
* @returns {mat4} out
|
|
*/
|
|
mat4.perspectiveFromFieldOfView = function (out, fov, near, far) {
|
|
var upTan = Math.tan(fov.upDegrees * Math.PI/180.0),
|
|
downTan = Math.tan(fov.downDegrees * Math.PI/180.0),
|
|
leftTan = Math.tan(fov.leftDegrees * Math.PI/180.0),
|
|
rightTan = Math.tan(fov.rightDegrees * Math.PI/180.0),
|
|
xScale = 2.0 / (leftTan + rightTan),
|
|
yScale = 2.0 / (upTan + downTan);
|
|
|
|
out[0] = xScale;
|
|
out[1] = 0.0;
|
|
out[2] = 0.0;
|
|
out[3] = 0.0;
|
|
out[4] = 0.0;
|
|
out[5] = yScale;
|
|
out[6] = 0.0;
|
|
out[7] = 0.0;
|
|
out[8] = -((leftTan - rightTan) * xScale * 0.5);
|
|
out[9] = ((upTan - downTan) * yScale * 0.5);
|
|
out[10] = far / (near - far);
|
|
out[11] = -1.0;
|
|
out[12] = 0.0;
|
|
out[13] = 0.0;
|
|
out[14] = (far * near) / (near - far);
|
|
out[15] = 0.0;
|
|
return out;
|
|
}
|
|
|
|
/**
|
|
* Generates a orthogonal projection matrix with the given bounds
|
|
*
|
|
* @param {mat4} out mat4 frustum matrix will be written into
|
|
* @param {number} left Left bound of the frustum
|
|
* @param {number} right Right bound of the frustum
|
|
* @param {number} bottom Bottom bound of the frustum
|
|
* @param {number} top Top bound of the frustum
|
|
* @param {number} near Near bound of the frustum
|
|
* @param {number} far Far bound of the frustum
|
|
* @returns {mat4} out
|
|
*/
|
|
mat4.ortho = function (out, left, right, bottom, top, near, far) {
|
|
var lr = 1 / (left - right),
|
|
bt = 1 / (bottom - top),
|
|
nf = 1 / (near - far);
|
|
out[0] = -2 * lr;
|
|
out[1] = 0;
|
|
out[2] = 0;
|
|
out[3] = 0;
|
|
out[4] = 0;
|
|
out[5] = -2 * bt;
|
|
out[6] = 0;
|
|
out[7] = 0;
|
|
out[8] = 0;
|
|
out[9] = 0;
|
|
out[10] = 2 * nf;
|
|
out[11] = 0;
|
|
out[12] = (left + right) * lr;
|
|
out[13] = (top + bottom) * bt;
|
|
out[14] = (far + near) * nf;
|
|
out[15] = 1;
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Generates a look-at matrix with the given eye position, focal point, and up axis
|
|
*
|
|
* @param {mat4} out mat4 frustum matrix will be written into
|
|
* @param {vec3} eye Position of the viewer
|
|
* @param {vec3} center Point the viewer is looking at
|
|
* @param {vec3} up vec3 pointing up
|
|
* @returns {mat4} out
|
|
*/
|
|
mat4.lookAt = function (out, eye, center, up) {
|
|
var x0, x1, x2, y0, y1, y2, z0, z1, z2, len,
|
|
eyex = eye[0],
|
|
eyey = eye[1],
|
|
eyez = eye[2],
|
|
upx = up[0],
|
|
upy = up[1],
|
|
upz = up[2],
|
|
centerx = center[0],
|
|
centery = center[1],
|
|
centerz = center[2];
|
|
|
|
if (Math.abs(eyex - centerx) < glMatrix.EPSILON &&
|
|
Math.abs(eyey - centery) < glMatrix.EPSILON &&
|
|
Math.abs(eyez - centerz) < glMatrix.EPSILON) {
|
|
return mat4.identity(out);
|
|
}
|
|
|
|
z0 = eyex - centerx;
|
|
z1 = eyey - centery;
|
|
z2 = eyez - centerz;
|
|
|
|
len = 1 / Math.sqrt(z0 * z0 + z1 * z1 + z2 * z2);
|
|
z0 *= len;
|
|
z1 *= len;
|
|
z2 *= len;
|
|
|
|
x0 = upy * z2 - upz * z1;
|
|
x1 = upz * z0 - upx * z2;
|
|
x2 = upx * z1 - upy * z0;
|
|
len = Math.sqrt(x0 * x0 + x1 * x1 + x2 * x2);
|
|
if (!len) {
|
|
x0 = 0;
|
|
x1 = 0;
|
|
x2 = 0;
|
|
} else {
|
|
len = 1 / len;
|
|
x0 *= len;
|
|
x1 *= len;
|
|
x2 *= len;
|
|
}
|
|
|
|
y0 = z1 * x2 - z2 * x1;
|
|
y1 = z2 * x0 - z0 * x2;
|
|
y2 = z0 * x1 - z1 * x0;
|
|
|
|
len = Math.sqrt(y0 * y0 + y1 * y1 + y2 * y2);
|
|
if (!len) {
|
|
y0 = 0;
|
|
y1 = 0;
|
|
y2 = 0;
|
|
} else {
|
|
len = 1 / len;
|
|
y0 *= len;
|
|
y1 *= len;
|
|
y2 *= len;
|
|
}
|
|
|
|
out[0] = x0;
|
|
out[1] = y0;
|
|
out[2] = z0;
|
|
out[3] = 0;
|
|
out[4] = x1;
|
|
out[5] = y1;
|
|
out[6] = z1;
|
|
out[7] = 0;
|
|
out[8] = x2;
|
|
out[9] = y2;
|
|
out[10] = z2;
|
|
out[11] = 0;
|
|
out[12] = -(x0 * eyex + x1 * eyey + x2 * eyez);
|
|
out[13] = -(y0 * eyex + y1 * eyey + y2 * eyez);
|
|
out[14] = -(z0 * eyex + z1 * eyey + z2 * eyez);
|
|
out[15] = 1;
|
|
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Returns a string representation of a mat4
|
|
*
|
|
* @param {mat4} mat matrix to represent as a string
|
|
* @returns {String} string representation of the matrix
|
|
*/
|
|
mat4.str = function (a) {
|
|
return 'mat4(' + a[0] + ', ' + a[1] + ', ' + a[2] + ', ' + a[3] + ', ' +
|
|
a[4] + ', ' + a[5] + ', ' + a[6] + ', ' + a[7] + ', ' +
|
|
a[8] + ', ' + a[9] + ', ' + a[10] + ', ' + a[11] + ', ' +
|
|
a[12] + ', ' + a[13] + ', ' + a[14] + ', ' + a[15] + ')';
|
|
};
|
|
|
|
/**
|
|
* Returns Frobenius norm of a mat4
|
|
*
|
|
* @param {mat4} a the matrix to calculate Frobenius norm of
|
|
* @returns {Number} Frobenius norm
|
|
*/
|
|
mat4.frob = function (a) {
|
|
return(Math.sqrt(Math.pow(a[0], 2) + Math.pow(a[1], 2) + Math.pow(a[2], 2) + Math.pow(a[3], 2) + Math.pow(a[4], 2) + Math.pow(a[5], 2) + Math.pow(a[6], 2) + Math.pow(a[7], 2) + Math.pow(a[8], 2) + Math.pow(a[9], 2) + Math.pow(a[10], 2) + Math.pow(a[11], 2) + Math.pow(a[12], 2) + Math.pow(a[13], 2) + Math.pow(a[14], 2) + Math.pow(a[15], 2) ))
|
|
};
|
|
|
|
|
|
module.exports = mat4;
|
|
|
|
|
|
/***/ },
|
|
/* 13 */
|
|
/***/ function(module, exports, __webpack_require__) {
|
|
|
|
/* Copyright (c) 2015, Brandon Jones, Colin MacKenzie IV.
|
|
|
|
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 and this permission notice 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 THE
|
|
AUTHORS OR COPYRIGHT HOLDERS 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. */
|
|
|
|
var glMatrix = __webpack_require__(8);
|
|
var mat3 = __webpack_require__(11);
|
|
var vec3 = __webpack_require__(14);
|
|
var vec4 = __webpack_require__(15);
|
|
|
|
/**
|
|
* @class Quaternion
|
|
* @name quat
|
|
*/
|
|
var quat = {};
|
|
|
|
/**
|
|
* Creates a new identity quat
|
|
*
|
|
* @returns {quat} a new quaternion
|
|
*/
|
|
quat.create = function() {
|
|
var out = new glMatrix.ARRAY_TYPE(4);
|
|
out[0] = 0;
|
|
out[1] = 0;
|
|
out[2] = 0;
|
|
out[3] = 1;
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Sets a quaternion to represent the shortest rotation from one
|
|
* vector to another.
|
|
*
|
|
* Both vectors are assumed to be unit length.
|
|
*
|
|
* @param {quat} out the receiving quaternion.
|
|
* @param {vec3} a the initial vector
|
|
* @param {vec3} b the destination vector
|
|
* @returns {quat} out
|
|
*/
|
|
quat.rotationTo = (function() {
|
|
var tmpvec3 = vec3.create();
|
|
var xUnitVec3 = vec3.fromValues(1,0,0);
|
|
var yUnitVec3 = vec3.fromValues(0,1,0);
|
|
|
|
return function(out, a, b) {
|
|
var dot = vec3.dot(a, b);
|
|
if (dot < -0.999999) {
|
|
vec3.cross(tmpvec3, xUnitVec3, a);
|
|
if (vec3.length(tmpvec3) < 0.000001)
|
|
vec3.cross(tmpvec3, yUnitVec3, a);
|
|
vec3.normalize(tmpvec3, tmpvec3);
|
|
quat.setAxisAngle(out, tmpvec3, Math.PI);
|
|
return out;
|
|
} else if (dot > 0.999999) {
|
|
out[0] = 0;
|
|
out[1] = 0;
|
|
out[2] = 0;
|
|
out[3] = 1;
|
|
return out;
|
|
} else {
|
|
vec3.cross(tmpvec3, a, b);
|
|
out[0] = tmpvec3[0];
|
|
out[1] = tmpvec3[1];
|
|
out[2] = tmpvec3[2];
|
|
out[3] = 1 + dot;
|
|
return quat.normalize(out, out);
|
|
}
|
|
};
|
|
})();
|
|
|
|
/**
|
|
* Sets the specified quaternion with values corresponding to the given
|
|
* axes. Each axis is a vec3 and is expected to be unit length and
|
|
* perpendicular to all other specified axes.
|
|
*
|
|
* @param {vec3} view the vector representing the viewing direction
|
|
* @param {vec3} right the vector representing the local "right" direction
|
|
* @param {vec3} up the vector representing the local "up" direction
|
|
* @returns {quat} out
|
|
*/
|
|
quat.setAxes = (function() {
|
|
var matr = mat3.create();
|
|
|
|
return function(out, view, right, up) {
|
|
matr[0] = right[0];
|
|
matr[3] = right[1];
|
|
matr[6] = right[2];
|
|
|
|
matr[1] = up[0];
|
|
matr[4] = up[1];
|
|
matr[7] = up[2];
|
|
|
|
matr[2] = -view[0];
|
|
matr[5] = -view[1];
|
|
matr[8] = -view[2];
|
|
|
|
return quat.normalize(out, quat.fromMat3(out, matr));
|
|
};
|
|
})();
|
|
|
|
/**
|
|
* Creates a new quat initialized with values from an existing quaternion
|
|
*
|
|
* @param {quat} a quaternion to clone
|
|
* @returns {quat} a new quaternion
|
|
* @function
|
|
*/
|
|
quat.clone = vec4.clone;
|
|
|
|
/**
|
|
* Creates a new quat initialized with the given values
|
|
*
|
|
* @param {Number} x X component
|
|
* @param {Number} y Y component
|
|
* @param {Number} z Z component
|
|
* @param {Number} w W component
|
|
* @returns {quat} a new quaternion
|
|
* @function
|
|
*/
|
|
quat.fromValues = vec4.fromValues;
|
|
|
|
/**
|
|
* Copy the values from one quat to another
|
|
*
|
|
* @param {quat} out the receiving quaternion
|
|
* @param {quat} a the source quaternion
|
|
* @returns {quat} out
|
|
* @function
|
|
*/
|
|
quat.copy = vec4.copy;
|
|
|
|
/**
|
|
* Set the components of a quat to the given values
|
|
*
|
|
* @param {quat} out the receiving quaternion
|
|
* @param {Number} x X component
|
|
* @param {Number} y Y component
|
|
* @param {Number} z Z component
|
|
* @param {Number} w W component
|
|
* @returns {quat} out
|
|
* @function
|
|
*/
|
|
quat.set = vec4.set;
|
|
|
|
/**
|
|
* Set a quat to the identity quaternion
|
|
*
|
|
* @param {quat} out the receiving quaternion
|
|
* @returns {quat} out
|
|
*/
|
|
quat.identity = function(out) {
|
|
out[0] = 0;
|
|
out[1] = 0;
|
|
out[2] = 0;
|
|
out[3] = 1;
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Sets a quat from the given angle and rotation axis,
|
|
* then returns it.
|
|
*
|
|
* @param {quat} out the receiving quaternion
|
|
* @param {vec3} axis the axis around which to rotate
|
|
* @param {Number} rad the angle in radians
|
|
* @returns {quat} out
|
|
**/
|
|
quat.setAxisAngle = function(out, axis, rad) {
|
|
rad = rad * 0.5;
|
|
var s = Math.sin(rad);
|
|
out[0] = s * axis[0];
|
|
out[1] = s * axis[1];
|
|
out[2] = s * axis[2];
|
|
out[3] = Math.cos(rad);
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Adds two quat's
|
|
*
|
|
* @param {quat} out the receiving quaternion
|
|
* @param {quat} a the first operand
|
|
* @param {quat} b the second operand
|
|
* @returns {quat} out
|
|
* @function
|
|
*/
|
|
quat.add = vec4.add;
|
|
|
|
/**
|
|
* Multiplies two quat's
|
|
*
|
|
* @param {quat} out the receiving quaternion
|
|
* @param {quat} a the first operand
|
|
* @param {quat} b the second operand
|
|
* @returns {quat} out
|
|
*/
|
|
quat.multiply = function(out, a, b) {
|
|
var ax = a[0], ay = a[1], az = a[2], aw = a[3],
|
|
bx = b[0], by = b[1], bz = b[2], bw = b[3];
|
|
|
|
out[0] = ax * bw + aw * bx + ay * bz - az * by;
|
|
out[1] = ay * bw + aw * by + az * bx - ax * bz;
|
|
out[2] = az * bw + aw * bz + ax * by - ay * bx;
|
|
out[3] = aw * bw - ax * bx - ay * by - az * bz;
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Alias for {@link quat.multiply}
|
|
* @function
|
|
*/
|
|
quat.mul = quat.multiply;
|
|
|
|
/**
|
|
* Scales a quat by a scalar number
|
|
*
|
|
* @param {quat} out the receiving vector
|
|
* @param {quat} a the vector to scale
|
|
* @param {Number} b amount to scale the vector by
|
|
* @returns {quat} out
|
|
* @function
|
|
*/
|
|
quat.scale = vec4.scale;
|
|
|
|
/**
|
|
* Rotates a quaternion by the given angle about the X axis
|
|
*
|
|
* @param {quat} out quat receiving operation result
|
|
* @param {quat} a quat to rotate
|
|
* @param {number} rad angle (in radians) to rotate
|
|
* @returns {quat} out
|
|
*/
|
|
quat.rotateX = function (out, a, rad) {
|
|
rad *= 0.5;
|
|
|
|
var ax = a[0], ay = a[1], az = a[2], aw = a[3],
|
|
bx = Math.sin(rad), bw = Math.cos(rad);
|
|
|
|
out[0] = ax * bw + aw * bx;
|
|
out[1] = ay * bw + az * bx;
|
|
out[2] = az * bw - ay * bx;
|
|
out[3] = aw * bw - ax * bx;
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Rotates a quaternion by the given angle about the Y axis
|
|
*
|
|
* @param {quat} out quat receiving operation result
|
|
* @param {quat} a quat to rotate
|
|
* @param {number} rad angle (in radians) to rotate
|
|
* @returns {quat} out
|
|
*/
|
|
quat.rotateY = function (out, a, rad) {
|
|
rad *= 0.5;
|
|
|
|
var ax = a[0], ay = a[1], az = a[2], aw = a[3],
|
|
by = Math.sin(rad), bw = Math.cos(rad);
|
|
|
|
out[0] = ax * bw - az * by;
|
|
out[1] = ay * bw + aw * by;
|
|
out[2] = az * bw + ax * by;
|
|
out[3] = aw * bw - ay * by;
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Rotates a quaternion by the given angle about the Z axis
|
|
*
|
|
* @param {quat} out quat receiving operation result
|
|
* @param {quat} a quat to rotate
|
|
* @param {number} rad angle (in radians) to rotate
|
|
* @returns {quat} out
|
|
*/
|
|
quat.rotateZ = function (out, a, rad) {
|
|
rad *= 0.5;
|
|
|
|
var ax = a[0], ay = a[1], az = a[2], aw = a[3],
|
|
bz = Math.sin(rad), bw = Math.cos(rad);
|
|
|
|
out[0] = ax * bw + ay * bz;
|
|
out[1] = ay * bw - ax * bz;
|
|
out[2] = az * bw + aw * bz;
|
|
out[3] = aw * bw - az * bz;
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Calculates the W component of a quat from the X, Y, and Z components.
|
|
* Assumes that quaternion is 1 unit in length.
|
|
* Any existing W component will be ignored.
|
|
*
|
|
* @param {quat} out the receiving quaternion
|
|
* @param {quat} a quat to calculate W component of
|
|
* @returns {quat} out
|
|
*/
|
|
quat.calculateW = function (out, a) {
|
|
var x = a[0], y = a[1], z = a[2];
|
|
|
|
out[0] = x;
|
|
out[1] = y;
|
|
out[2] = z;
|
|
out[3] = Math.sqrt(Math.abs(1.0 - x * x - y * y - z * z));
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Calculates the dot product of two quat's
|
|
*
|
|
* @param {quat} a the first operand
|
|
* @param {quat} b the second operand
|
|
* @returns {Number} dot product of a and b
|
|
* @function
|
|
*/
|
|
quat.dot = vec4.dot;
|
|
|
|
/**
|
|
* Performs a linear interpolation between two quat's
|
|
*
|
|
* @param {quat} out the receiving quaternion
|
|
* @param {quat} a the first operand
|
|
* @param {quat} b the second operand
|
|
* @param {Number} t interpolation amount between the two inputs
|
|
* @returns {quat} out
|
|
* @function
|
|
*/
|
|
quat.lerp = vec4.lerp;
|
|
|
|
/**
|
|
* Performs a spherical linear interpolation between two quat
|
|
*
|
|
* @param {quat} out the receiving quaternion
|
|
* @param {quat} a the first operand
|
|
* @param {quat} b the second operand
|
|
* @param {Number} t interpolation amount between the two inputs
|
|
* @returns {quat} out
|
|
*/
|
|
quat.slerp = function (out, a, b, t) {
|
|
// benchmarks:
|
|
// http://jsperf.com/quaternion-slerp-implementations
|
|
|
|
var ax = a[0], ay = a[1], az = a[2], aw = a[3],
|
|
bx = b[0], by = b[1], bz = b[2], bw = b[3];
|
|
|
|
var omega, cosom, sinom, scale0, scale1;
|
|
|
|
// calc cosine
|
|
cosom = ax * bx + ay * by + az * bz + aw * bw;
|
|
// adjust signs (if necessary)
|
|
if ( cosom < 0.0 ) {
|
|
cosom = -cosom;
|
|
bx = - bx;
|
|
by = - by;
|
|
bz = - bz;
|
|
bw = - bw;
|
|
}
|
|
// calculate coefficients
|
|
if ( (1.0 - cosom) > 0.000001 ) {
|
|
// standard case (slerp)
|
|
omega = Math.acos(cosom);
|
|
sinom = Math.sin(omega);
|
|
scale0 = Math.sin((1.0 - t) * omega) / sinom;
|
|
scale1 = Math.sin(t * omega) / sinom;
|
|
} else {
|
|
// "from" and "to" quaternions are very close
|
|
// ... so we can do a linear interpolation
|
|
scale0 = 1.0 - t;
|
|
scale1 = t;
|
|
}
|
|
// calculate final values
|
|
out[0] = scale0 * ax + scale1 * bx;
|
|
out[1] = scale0 * ay + scale1 * by;
|
|
out[2] = scale0 * az + scale1 * bz;
|
|
out[3] = scale0 * aw + scale1 * bw;
|
|
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Performs a spherical linear interpolation with two control points
|
|
*
|
|
* @param {quat} out the receiving quaternion
|
|
* @param {quat} a the first operand
|
|
* @param {quat} b the second operand
|
|
* @param {quat} c the third operand
|
|
* @param {quat} d the fourth operand
|
|
* @param {Number} t interpolation amount
|
|
* @returns {quat} out
|
|
*/
|
|
quat.sqlerp = (function () {
|
|
var temp1 = quat.create();
|
|
var temp2 = quat.create();
|
|
|
|
return function (out, a, b, c, d, t) {
|
|
quat.slerp(temp1, a, d, t);
|
|
quat.slerp(temp2, b, c, t);
|
|
quat.slerp(out, temp1, temp2, 2 * t * (1 - t));
|
|
|
|
return out;
|
|
};
|
|
}());
|
|
|
|
/**
|
|
* Calculates the inverse of a quat
|
|
*
|
|
* @param {quat} out the receiving quaternion
|
|
* @param {quat} a quat to calculate inverse of
|
|
* @returns {quat} out
|
|
*/
|
|
quat.invert = function(out, a) {
|
|
var a0 = a[0], a1 = a[1], a2 = a[2], a3 = a[3],
|
|
dot = a0*a0 + a1*a1 + a2*a2 + a3*a3,
|
|
invDot = dot ? 1.0/dot : 0;
|
|
|
|
// TODO: Would be faster to return [0,0,0,0] immediately if dot == 0
|
|
|
|
out[0] = -a0*invDot;
|
|
out[1] = -a1*invDot;
|
|
out[2] = -a2*invDot;
|
|
out[3] = a3*invDot;
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Calculates the conjugate of a quat
|
|
* If the quaternion is normalized, this function is faster than quat.inverse and produces the same result.
|
|
*
|
|
* @param {quat} out the receiving quaternion
|
|
* @param {quat} a quat to calculate conjugate of
|
|
* @returns {quat} out
|
|
*/
|
|
quat.conjugate = function (out, a) {
|
|
out[0] = -a[0];
|
|
out[1] = -a[1];
|
|
out[2] = -a[2];
|
|
out[3] = a[3];
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Calculates the length of a quat
|
|
*
|
|
* @param {quat} a vector to calculate length of
|
|
* @returns {Number} length of a
|
|
* @function
|
|
*/
|
|
quat.length = vec4.length;
|
|
|
|
/**
|
|
* Alias for {@link quat.length}
|
|
* @function
|
|
*/
|
|
quat.len = quat.length;
|
|
|
|
/**
|
|
* Calculates the squared length of a quat
|
|
*
|
|
* @param {quat} a vector to calculate squared length of
|
|
* @returns {Number} squared length of a
|
|
* @function
|
|
*/
|
|
quat.squaredLength = vec4.squaredLength;
|
|
|
|
/**
|
|
* Alias for {@link quat.squaredLength}
|
|
* @function
|
|
*/
|
|
quat.sqrLen = quat.squaredLength;
|
|
|
|
/**
|
|
* Normalize a quat
|
|
*
|
|
* @param {quat} out the receiving quaternion
|
|
* @param {quat} a quaternion to normalize
|
|
* @returns {quat} out
|
|
* @function
|
|
*/
|
|
quat.normalize = vec4.normalize;
|
|
|
|
/**
|
|
* Creates a quaternion from the given 3x3 rotation matrix.
|
|
*
|
|
* NOTE: The resultant quaternion is not normalized, so you should be sure
|
|
* to renormalize the quaternion yourself where necessary.
|
|
*
|
|
* @param {quat} out the receiving quaternion
|
|
* @param {mat3} m rotation matrix
|
|
* @returns {quat} out
|
|
* @function
|
|
*/
|
|
quat.fromMat3 = function(out, m) {
|
|
// Algorithm in Ken Shoemake's article in 1987 SIGGRAPH course notes
|
|
// article "Quaternion Calculus and Fast Animation".
|
|
var fTrace = m[0] + m[4] + m[8];
|
|
var fRoot;
|
|
|
|
if ( fTrace > 0.0 ) {
|
|
// |w| > 1/2, may as well choose w > 1/2
|
|
fRoot = Math.sqrt(fTrace + 1.0); // 2w
|
|
out[3] = 0.5 * fRoot;
|
|
fRoot = 0.5/fRoot; // 1/(4w)
|
|
out[0] = (m[5]-m[7])*fRoot;
|
|
out[1] = (m[6]-m[2])*fRoot;
|
|
out[2] = (m[1]-m[3])*fRoot;
|
|
} else {
|
|
// |w| <= 1/2
|
|
var i = 0;
|
|
if ( m[4] > m[0] )
|
|
i = 1;
|
|
if ( m[8] > m[i*3+i] )
|
|
i = 2;
|
|
var j = (i+1)%3;
|
|
var k = (i+2)%3;
|
|
|
|
fRoot = Math.sqrt(m[i*3+i]-m[j*3+j]-m[k*3+k] + 1.0);
|
|
out[i] = 0.5 * fRoot;
|
|
fRoot = 0.5 / fRoot;
|
|
out[3] = (m[j*3+k] - m[k*3+j]) * fRoot;
|
|
out[j] = (m[j*3+i] + m[i*3+j]) * fRoot;
|
|
out[k] = (m[k*3+i] + m[i*3+k]) * fRoot;
|
|
}
|
|
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Returns a string representation of a quatenion
|
|
*
|
|
* @param {quat} vec vector to represent as a string
|
|
* @returns {String} string representation of the vector
|
|
*/
|
|
quat.str = function (a) {
|
|
return 'quat(' + a[0] + ', ' + a[1] + ', ' + a[2] + ', ' + a[3] + ')';
|
|
};
|
|
|
|
module.exports = quat;
|
|
|
|
|
|
/***/ },
|
|
/* 14 */
|
|
/***/ function(module, exports, __webpack_require__) {
|
|
|
|
/* Copyright (c) 2015, Brandon Jones, Colin MacKenzie IV.
|
|
|
|
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 and this permission notice 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 THE
|
|
AUTHORS OR COPYRIGHT HOLDERS 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. */
|
|
|
|
var glMatrix = __webpack_require__(8);
|
|
|
|
/**
|
|
* @class 3 Dimensional Vector
|
|
* @name vec3
|
|
*/
|
|
var vec3 = {};
|
|
|
|
/**
|
|
* Creates a new, empty vec3
|
|
*
|
|
* @returns {vec3} a new 3D vector
|
|
*/
|
|
vec3.create = function() {
|
|
var out = new glMatrix.ARRAY_TYPE(3);
|
|
out[0] = 0;
|
|
out[1] = 0;
|
|
out[2] = 0;
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Creates a new vec3 initialized with values from an existing vector
|
|
*
|
|
* @param {vec3} a vector to clone
|
|
* @returns {vec3} a new 3D vector
|
|
*/
|
|
vec3.clone = function(a) {
|
|
var out = new glMatrix.ARRAY_TYPE(3);
|
|
out[0] = a[0];
|
|
out[1] = a[1];
|
|
out[2] = a[2];
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Creates a new vec3 initialized with the given values
|
|
*
|
|
* @param {Number} x X component
|
|
* @param {Number} y Y component
|
|
* @param {Number} z Z component
|
|
* @returns {vec3} a new 3D vector
|
|
*/
|
|
vec3.fromValues = function(x, y, z) {
|
|
var out = new glMatrix.ARRAY_TYPE(3);
|
|
out[0] = x;
|
|
out[1] = y;
|
|
out[2] = z;
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Copy the values from one vec3 to another
|
|
*
|
|
* @param {vec3} out the receiving vector
|
|
* @param {vec3} a the source vector
|
|
* @returns {vec3} out
|
|
*/
|
|
vec3.copy = function(out, a) {
|
|
out[0] = a[0];
|
|
out[1] = a[1];
|
|
out[2] = a[2];
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Set the components of a vec3 to the given values
|
|
*
|
|
* @param {vec3} out the receiving vector
|
|
* @param {Number} x X component
|
|
* @param {Number} y Y component
|
|
* @param {Number} z Z component
|
|
* @returns {vec3} out
|
|
*/
|
|
vec3.set = function(out, x, y, z) {
|
|
out[0] = x;
|
|
out[1] = y;
|
|
out[2] = z;
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Adds two vec3's
|
|
*
|
|
* @param {vec3} out the receiving vector
|
|
* @param {vec3} a the first operand
|
|
* @param {vec3} b the second operand
|
|
* @returns {vec3} out
|
|
*/
|
|
vec3.add = function(out, a, b) {
|
|
out[0] = a[0] + b[0];
|
|
out[1] = a[1] + b[1];
|
|
out[2] = a[2] + b[2];
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Subtracts vector b from vector a
|
|
*
|
|
* @param {vec3} out the receiving vector
|
|
* @param {vec3} a the first operand
|
|
* @param {vec3} b the second operand
|
|
* @returns {vec3} out
|
|
*/
|
|
vec3.subtract = function(out, a, b) {
|
|
out[0] = a[0] - b[0];
|
|
out[1] = a[1] - b[1];
|
|
out[2] = a[2] - b[2];
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Alias for {@link vec3.subtract}
|
|
* @function
|
|
*/
|
|
vec3.sub = vec3.subtract;
|
|
|
|
/**
|
|
* Multiplies two vec3's
|
|
*
|
|
* @param {vec3} out the receiving vector
|
|
* @param {vec3} a the first operand
|
|
* @param {vec3} b the second operand
|
|
* @returns {vec3} out
|
|
*/
|
|
vec3.multiply = function(out, a, b) {
|
|
out[0] = a[0] * b[0];
|
|
out[1] = a[1] * b[1];
|
|
out[2] = a[2] * b[2];
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Alias for {@link vec3.multiply}
|
|
* @function
|
|
*/
|
|
vec3.mul = vec3.multiply;
|
|
|
|
/**
|
|
* Divides two vec3's
|
|
*
|
|
* @param {vec3} out the receiving vector
|
|
* @param {vec3} a the first operand
|
|
* @param {vec3} b the second operand
|
|
* @returns {vec3} out
|
|
*/
|
|
vec3.divide = function(out, a, b) {
|
|
out[0] = a[0] / b[0];
|
|
out[1] = a[1] / b[1];
|
|
out[2] = a[2] / b[2];
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Alias for {@link vec3.divide}
|
|
* @function
|
|
*/
|
|
vec3.div = vec3.divide;
|
|
|
|
/**
|
|
* Returns the minimum of two vec3's
|
|
*
|
|
* @param {vec3} out the receiving vector
|
|
* @param {vec3} a the first operand
|
|
* @param {vec3} b the second operand
|
|
* @returns {vec3} out
|
|
*/
|
|
vec3.min = function(out, a, b) {
|
|
out[0] = Math.min(a[0], b[0]);
|
|
out[1] = Math.min(a[1], b[1]);
|
|
out[2] = Math.min(a[2], b[2]);
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Returns the maximum of two vec3's
|
|
*
|
|
* @param {vec3} out the receiving vector
|
|
* @param {vec3} a the first operand
|
|
* @param {vec3} b the second operand
|
|
* @returns {vec3} out
|
|
*/
|
|
vec3.max = function(out, a, b) {
|
|
out[0] = Math.max(a[0], b[0]);
|
|
out[1] = Math.max(a[1], b[1]);
|
|
out[2] = Math.max(a[2], b[2]);
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Scales a vec3 by a scalar number
|
|
*
|
|
* @param {vec3} out the receiving vector
|
|
* @param {vec3} a the vector to scale
|
|
* @param {Number} b amount to scale the vector by
|
|
* @returns {vec3} out
|
|
*/
|
|
vec3.scale = function(out, a, b) {
|
|
out[0] = a[0] * b;
|
|
out[1] = a[1] * b;
|
|
out[2] = a[2] * b;
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Adds two vec3's after scaling the second operand by a scalar value
|
|
*
|
|
* @param {vec3} out the receiving vector
|
|
* @param {vec3} a the first operand
|
|
* @param {vec3} b the second operand
|
|
* @param {Number} scale the amount to scale b by before adding
|
|
* @returns {vec3} out
|
|
*/
|
|
vec3.scaleAndAdd = function(out, a, b, scale) {
|
|
out[0] = a[0] + (b[0] * scale);
|
|
out[1] = a[1] + (b[1] * scale);
|
|
out[2] = a[2] + (b[2] * scale);
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Calculates the euclidian distance between two vec3's
|
|
*
|
|
* @param {vec3} a the first operand
|
|
* @param {vec3} b the second operand
|
|
* @returns {Number} distance between a and b
|
|
*/
|
|
vec3.distance = function(a, b) {
|
|
var x = b[0] - a[0],
|
|
y = b[1] - a[1],
|
|
z = b[2] - a[2];
|
|
return Math.sqrt(x*x + y*y + z*z);
|
|
};
|
|
|
|
/**
|
|
* Alias for {@link vec3.distance}
|
|
* @function
|
|
*/
|
|
vec3.dist = vec3.distance;
|
|
|
|
/**
|
|
* Calculates the squared euclidian distance between two vec3's
|
|
*
|
|
* @param {vec3} a the first operand
|
|
* @param {vec3} b the second operand
|
|
* @returns {Number} squared distance between a and b
|
|
*/
|
|
vec3.squaredDistance = function(a, b) {
|
|
var x = b[0] - a[0],
|
|
y = b[1] - a[1],
|
|
z = b[2] - a[2];
|
|
return x*x + y*y + z*z;
|
|
};
|
|
|
|
/**
|
|
* Alias for {@link vec3.squaredDistance}
|
|
* @function
|
|
*/
|
|
vec3.sqrDist = vec3.squaredDistance;
|
|
|
|
/**
|
|
* Calculates the length of a vec3
|
|
*
|
|
* @param {vec3} a vector to calculate length of
|
|
* @returns {Number} length of a
|
|
*/
|
|
vec3.length = function (a) {
|
|
var x = a[0],
|
|
y = a[1],
|
|
z = a[2];
|
|
return Math.sqrt(x*x + y*y + z*z);
|
|
};
|
|
|
|
/**
|
|
* Alias for {@link vec3.length}
|
|
* @function
|
|
*/
|
|
vec3.len = vec3.length;
|
|
|
|
/**
|
|
* Calculates the squared length of a vec3
|
|
*
|
|
* @param {vec3} a vector to calculate squared length of
|
|
* @returns {Number} squared length of a
|
|
*/
|
|
vec3.squaredLength = function (a) {
|
|
var x = a[0],
|
|
y = a[1],
|
|
z = a[2];
|
|
return x*x + y*y + z*z;
|
|
};
|
|
|
|
/**
|
|
* Alias for {@link vec3.squaredLength}
|
|
* @function
|
|
*/
|
|
vec3.sqrLen = vec3.squaredLength;
|
|
|
|
/**
|
|
* Negates the components of a vec3
|
|
*
|
|
* @param {vec3} out the receiving vector
|
|
* @param {vec3} a vector to negate
|
|
* @returns {vec3} out
|
|
*/
|
|
vec3.negate = function(out, a) {
|
|
out[0] = -a[0];
|
|
out[1] = -a[1];
|
|
out[2] = -a[2];
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Returns the inverse of the components of a vec3
|
|
*
|
|
* @param {vec3} out the receiving vector
|
|
* @param {vec3} a vector to invert
|
|
* @returns {vec3} out
|
|
*/
|
|
vec3.inverse = function(out, a) {
|
|
out[0] = 1.0 / a[0];
|
|
out[1] = 1.0 / a[1];
|
|
out[2] = 1.0 / a[2];
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Normalize a vec3
|
|
*
|
|
* @param {vec3} out the receiving vector
|
|
* @param {vec3} a vector to normalize
|
|
* @returns {vec3} out
|
|
*/
|
|
vec3.normalize = function(out, a) {
|
|
var x = a[0],
|
|
y = a[1],
|
|
z = a[2];
|
|
var len = x*x + y*y + z*z;
|
|
if (len > 0) {
|
|
//TODO: evaluate use of glm_invsqrt here?
|
|
len = 1 / Math.sqrt(len);
|
|
out[0] = a[0] * len;
|
|
out[1] = a[1] * len;
|
|
out[2] = a[2] * len;
|
|
}
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Calculates the dot product of two vec3's
|
|
*
|
|
* @param {vec3} a the first operand
|
|
* @param {vec3} b the second operand
|
|
* @returns {Number} dot product of a and b
|
|
*/
|
|
vec3.dot = function (a, b) {
|
|
return a[0] * b[0] + a[1] * b[1] + a[2] * b[2];
|
|
};
|
|
|
|
/**
|
|
* Computes the cross product of two vec3's
|
|
*
|
|
* @param {vec3} out the receiving vector
|
|
* @param {vec3} a the first operand
|
|
* @param {vec3} b the second operand
|
|
* @returns {vec3} out
|
|
*/
|
|
vec3.cross = function(out, a, b) {
|
|
var ax = a[0], ay = a[1], az = a[2],
|
|
bx = b[0], by = b[1], bz = b[2];
|
|
|
|
out[0] = ay * bz - az * by;
|
|
out[1] = az * bx - ax * bz;
|
|
out[2] = ax * by - ay * bx;
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Performs a linear interpolation between two vec3's
|
|
*
|
|
* @param {vec3} out the receiving vector
|
|
* @param {vec3} a the first operand
|
|
* @param {vec3} b the second operand
|
|
* @param {Number} t interpolation amount between the two inputs
|
|
* @returns {vec3} out
|
|
*/
|
|
vec3.lerp = function (out, a, b, t) {
|
|
var ax = a[0],
|
|
ay = a[1],
|
|
az = a[2];
|
|
out[0] = ax + t * (b[0] - ax);
|
|
out[1] = ay + t * (b[1] - ay);
|
|
out[2] = az + t * (b[2] - az);
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Performs a hermite interpolation with two control points
|
|
*
|
|
* @param {vec3} out the receiving vector
|
|
* @param {vec3} a the first operand
|
|
* @param {vec3} b the second operand
|
|
* @param {vec3} c the third operand
|
|
* @param {vec3} d the fourth operand
|
|
* @param {Number} t interpolation amount between the two inputs
|
|
* @returns {vec3} out
|
|
*/
|
|
vec3.hermite = function (out, a, b, c, d, t) {
|
|
var factorTimes2 = t * t,
|
|
factor1 = factorTimes2 * (2 * t - 3) + 1,
|
|
factor2 = factorTimes2 * (t - 2) + t,
|
|
factor3 = factorTimes2 * (t - 1),
|
|
factor4 = factorTimes2 * (3 - 2 * t);
|
|
|
|
out[0] = a[0] * factor1 + b[0] * factor2 + c[0] * factor3 + d[0] * factor4;
|
|
out[1] = a[1] * factor1 + b[1] * factor2 + c[1] * factor3 + d[1] * factor4;
|
|
out[2] = a[2] * factor1 + b[2] * factor2 + c[2] * factor3 + d[2] * factor4;
|
|
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Performs a bezier interpolation with two control points
|
|
*
|
|
* @param {vec3} out the receiving vector
|
|
* @param {vec3} a the first operand
|
|
* @param {vec3} b the second operand
|
|
* @param {vec3} c the third operand
|
|
* @param {vec3} d the fourth operand
|
|
* @param {Number} t interpolation amount between the two inputs
|
|
* @returns {vec3} out
|
|
*/
|
|
vec3.bezier = function (out, a, b, c, d, t) {
|
|
var inverseFactor = 1 - t,
|
|
inverseFactorTimesTwo = inverseFactor * inverseFactor,
|
|
factorTimes2 = t * t,
|
|
factor1 = inverseFactorTimesTwo * inverseFactor,
|
|
factor2 = 3 * t * inverseFactorTimesTwo,
|
|
factor3 = 3 * factorTimes2 * inverseFactor,
|
|
factor4 = factorTimes2 * t;
|
|
|
|
out[0] = a[0] * factor1 + b[0] * factor2 + c[0] * factor3 + d[0] * factor4;
|
|
out[1] = a[1] * factor1 + b[1] * factor2 + c[1] * factor3 + d[1] * factor4;
|
|
out[2] = a[2] * factor1 + b[2] * factor2 + c[2] * factor3 + d[2] * factor4;
|
|
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Generates a random vector with the given scale
|
|
*
|
|
* @param {vec3} out the receiving vector
|
|
* @param {Number} [scale] Length of the resulting vector. If ommitted, a unit vector will be returned
|
|
* @returns {vec3} out
|
|
*/
|
|
vec3.random = function (out, scale) {
|
|
scale = scale || 1.0;
|
|
|
|
var r = glMatrix.RANDOM() * 2.0 * Math.PI;
|
|
var z = (glMatrix.RANDOM() * 2.0) - 1.0;
|
|
var zScale = Math.sqrt(1.0-z*z) * scale;
|
|
|
|
out[0] = Math.cos(r) * zScale;
|
|
out[1] = Math.sin(r) * zScale;
|
|
out[2] = z * scale;
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Transforms the vec3 with a mat4.
|
|
* 4th vector component is implicitly '1'
|
|
*
|
|
* @param {vec3} out the receiving vector
|
|
* @param {vec3} a the vector to transform
|
|
* @param {mat4} m matrix to transform with
|
|
* @returns {vec3} out
|
|
*/
|
|
vec3.transformMat4 = function(out, a, m) {
|
|
var x = a[0], y = a[1], z = a[2],
|
|
w = m[3] * x + m[7] * y + m[11] * z + m[15];
|
|
w = w || 1.0;
|
|
out[0] = (m[0] * x + m[4] * y + m[8] * z + m[12]) / w;
|
|
out[1] = (m[1] * x + m[5] * y + m[9] * z + m[13]) / w;
|
|
out[2] = (m[2] * x + m[6] * y + m[10] * z + m[14]) / w;
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Transforms the vec3 with a mat3.
|
|
*
|
|
* @param {vec3} out the receiving vector
|
|
* @param {vec3} a the vector to transform
|
|
* @param {mat4} m the 3x3 matrix to transform with
|
|
* @returns {vec3} out
|
|
*/
|
|
vec3.transformMat3 = function(out, a, m) {
|
|
var x = a[0], y = a[1], z = a[2];
|
|
out[0] = x * m[0] + y * m[3] + z * m[6];
|
|
out[1] = x * m[1] + y * m[4] + z * m[7];
|
|
out[2] = x * m[2] + y * m[5] + z * m[8];
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Transforms the vec3 with a quat
|
|
*
|
|
* @param {vec3} out the receiving vector
|
|
* @param {vec3} a the vector to transform
|
|
* @param {quat} q quaternion to transform with
|
|
* @returns {vec3} out
|
|
*/
|
|
vec3.transformQuat = function(out, a, q) {
|
|
// benchmarks: http://jsperf.com/quaternion-transform-vec3-implementations
|
|
|
|
var x = a[0], y = a[1], z = a[2],
|
|
qx = q[0], qy = q[1], qz = q[2], qw = q[3],
|
|
|
|
// calculate quat * vec
|
|
ix = qw * x + qy * z - qz * y,
|
|
iy = qw * y + qz * x - qx * z,
|
|
iz = qw * z + qx * y - qy * x,
|
|
iw = -qx * x - qy * y - qz * z;
|
|
|
|
// calculate result * inverse quat
|
|
out[0] = ix * qw + iw * -qx + iy * -qz - iz * -qy;
|
|
out[1] = iy * qw + iw * -qy + iz * -qx - ix * -qz;
|
|
out[2] = iz * qw + iw * -qz + ix * -qy - iy * -qx;
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Rotate a 3D vector around the x-axis
|
|
* @param {vec3} out The receiving vec3
|
|
* @param {vec3} a The vec3 point to rotate
|
|
* @param {vec3} b The origin of the rotation
|
|
* @param {Number} c The angle of rotation
|
|
* @returns {vec3} out
|
|
*/
|
|
vec3.rotateX = function(out, a, b, c){
|
|
var p = [], r=[];
|
|
//Translate point to the origin
|
|
p[0] = a[0] - b[0];
|
|
p[1] = a[1] - b[1];
|
|
p[2] = a[2] - b[2];
|
|
|
|
//perform rotation
|
|
r[0] = p[0];
|
|
r[1] = p[1]*Math.cos(c) - p[2]*Math.sin(c);
|
|
r[2] = p[1]*Math.sin(c) + p[2]*Math.cos(c);
|
|
|
|
//translate to correct position
|
|
out[0] = r[0] + b[0];
|
|
out[1] = r[1] + b[1];
|
|
out[2] = r[2] + b[2];
|
|
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Rotate a 3D vector around the y-axis
|
|
* @param {vec3} out The receiving vec3
|
|
* @param {vec3} a The vec3 point to rotate
|
|
* @param {vec3} b The origin of the rotation
|
|
* @param {Number} c The angle of rotation
|
|
* @returns {vec3} out
|
|
*/
|
|
vec3.rotateY = function(out, a, b, c){
|
|
var p = [], r=[];
|
|
//Translate point to the origin
|
|
p[0] = a[0] - b[0];
|
|
p[1] = a[1] - b[1];
|
|
p[2] = a[2] - b[2];
|
|
|
|
//perform rotation
|
|
r[0] = p[2]*Math.sin(c) + p[0]*Math.cos(c);
|
|
r[1] = p[1];
|
|
r[2] = p[2]*Math.cos(c) - p[0]*Math.sin(c);
|
|
|
|
//translate to correct position
|
|
out[0] = r[0] + b[0];
|
|
out[1] = r[1] + b[1];
|
|
out[2] = r[2] + b[2];
|
|
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Rotate a 3D vector around the z-axis
|
|
* @param {vec3} out The receiving vec3
|
|
* @param {vec3} a The vec3 point to rotate
|
|
* @param {vec3} b The origin of the rotation
|
|
* @param {Number} c The angle of rotation
|
|
* @returns {vec3} out
|
|
*/
|
|
vec3.rotateZ = function(out, a, b, c){
|
|
var p = [], r=[];
|
|
//Translate point to the origin
|
|
p[0] = a[0] - b[0];
|
|
p[1] = a[1] - b[1];
|
|
p[2] = a[2] - b[2];
|
|
|
|
//perform rotation
|
|
r[0] = p[0]*Math.cos(c) - p[1]*Math.sin(c);
|
|
r[1] = p[0]*Math.sin(c) + p[1]*Math.cos(c);
|
|
r[2] = p[2];
|
|
|
|
//translate to correct position
|
|
out[0] = r[0] + b[0];
|
|
out[1] = r[1] + b[1];
|
|
out[2] = r[2] + b[2];
|
|
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Perform some operation over an array of vec3s.
|
|
*
|
|
* @param {Array} a the array of vectors to iterate over
|
|
* @param {Number} stride Number of elements between the start of each vec3. If 0 assumes tightly packed
|
|
* @param {Number} offset Number of elements to skip at the beginning of the array
|
|
* @param {Number} count Number of vec3s to iterate over. If 0 iterates over entire array
|
|
* @param {Function} fn Function to call for each vector in the array
|
|
* @param {Object} [arg] additional argument to pass to fn
|
|
* @returns {Array} a
|
|
* @function
|
|
*/
|
|
vec3.forEach = (function() {
|
|
var vec = vec3.create();
|
|
|
|
return function(a, stride, offset, count, fn, arg) {
|
|
var i, l;
|
|
if(!stride) {
|
|
stride = 3;
|
|
}
|
|
|
|
if(!offset) {
|
|
offset = 0;
|
|
}
|
|
|
|
if(count) {
|
|
l = Math.min((count * stride) + offset, a.length);
|
|
} else {
|
|
l = a.length;
|
|
}
|
|
|
|
for(i = offset; i < l; i += stride) {
|
|
vec[0] = a[i]; vec[1] = a[i+1]; vec[2] = a[i+2];
|
|
fn(vec, vec, arg);
|
|
a[i] = vec[0]; a[i+1] = vec[1]; a[i+2] = vec[2];
|
|
}
|
|
|
|
return a;
|
|
};
|
|
})();
|
|
|
|
/**
|
|
* Get the angle between two 3D vectors
|
|
* @param {vec3} a The first operand
|
|
* @param {vec3} b The second operand
|
|
* @returns {Number} The angle in radians
|
|
*/
|
|
vec3.angle = function(a, b) {
|
|
|
|
var tempA = vec3.fromValues(a[0], a[1], a[2]);
|
|
var tempB = vec3.fromValues(b[0], b[1], b[2]);
|
|
|
|
vec3.normalize(tempA, tempA);
|
|
vec3.normalize(tempB, tempB);
|
|
|
|
var cosine = vec3.dot(tempA, tempB);
|
|
|
|
if(cosine > 1.0){
|
|
return 0;
|
|
} else {
|
|
return Math.acos(cosine);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Returns a string representation of a vector
|
|
*
|
|
* @param {vec3} vec vector to represent as a string
|
|
* @returns {String} string representation of the vector
|
|
*/
|
|
vec3.str = function (a) {
|
|
return 'vec3(' + a[0] + ', ' + a[1] + ', ' + a[2] + ')';
|
|
};
|
|
|
|
module.exports = vec3;
|
|
|
|
|
|
/***/ },
|
|
/* 15 */
|
|
/***/ function(module, exports, __webpack_require__) {
|
|
|
|
/* Copyright (c) 2015, Brandon Jones, Colin MacKenzie IV.
|
|
|
|
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 and this permission notice 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 THE
|
|
AUTHORS OR COPYRIGHT HOLDERS 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. */
|
|
|
|
var glMatrix = __webpack_require__(8);
|
|
|
|
/**
|
|
* @class 4 Dimensional Vector
|
|
* @name vec4
|
|
*/
|
|
var vec4 = {};
|
|
|
|
/**
|
|
* Creates a new, empty vec4
|
|
*
|
|
* @returns {vec4} a new 4D vector
|
|
*/
|
|
vec4.create = function() {
|
|
var out = new glMatrix.ARRAY_TYPE(4);
|
|
out[0] = 0;
|
|
out[1] = 0;
|
|
out[2] = 0;
|
|
out[3] = 0;
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Creates a new vec4 initialized with values from an existing vector
|
|
*
|
|
* @param {vec4} a vector to clone
|
|
* @returns {vec4} a new 4D vector
|
|
*/
|
|
vec4.clone = function(a) {
|
|
var out = new glMatrix.ARRAY_TYPE(4);
|
|
out[0] = a[0];
|
|
out[1] = a[1];
|
|
out[2] = a[2];
|
|
out[3] = a[3];
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Creates a new vec4 initialized with the given values
|
|
*
|
|
* @param {Number} x X component
|
|
* @param {Number} y Y component
|
|
* @param {Number} z Z component
|
|
* @param {Number} w W component
|
|
* @returns {vec4} a new 4D vector
|
|
*/
|
|
vec4.fromValues = function(x, y, z, w) {
|
|
var out = new glMatrix.ARRAY_TYPE(4);
|
|
out[0] = x;
|
|
out[1] = y;
|
|
out[2] = z;
|
|
out[3] = w;
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Copy the values from one vec4 to another
|
|
*
|
|
* @param {vec4} out the receiving vector
|
|
* @param {vec4} a the source vector
|
|
* @returns {vec4} out
|
|
*/
|
|
vec4.copy = function(out, a) {
|
|
out[0] = a[0];
|
|
out[1] = a[1];
|
|
out[2] = a[2];
|
|
out[3] = a[3];
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Set the components of a vec4 to the given values
|
|
*
|
|
* @param {vec4} out the receiving vector
|
|
* @param {Number} x X component
|
|
* @param {Number} y Y component
|
|
* @param {Number} z Z component
|
|
* @param {Number} w W component
|
|
* @returns {vec4} out
|
|
*/
|
|
vec4.set = function(out, x, y, z, w) {
|
|
out[0] = x;
|
|
out[1] = y;
|
|
out[2] = z;
|
|
out[3] = w;
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Adds two vec4's
|
|
*
|
|
* @param {vec4} out the receiving vector
|
|
* @param {vec4} a the first operand
|
|
* @param {vec4} b the second operand
|
|
* @returns {vec4} out
|
|
*/
|
|
vec4.add = function(out, a, b) {
|
|
out[0] = a[0] + b[0];
|
|
out[1] = a[1] + b[1];
|
|
out[2] = a[2] + b[2];
|
|
out[3] = a[3] + b[3];
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Subtracts vector b from vector a
|
|
*
|
|
* @param {vec4} out the receiving vector
|
|
* @param {vec4} a the first operand
|
|
* @param {vec4} b the second operand
|
|
* @returns {vec4} out
|
|
*/
|
|
vec4.subtract = function(out, a, b) {
|
|
out[0] = a[0] - b[0];
|
|
out[1] = a[1] - b[1];
|
|
out[2] = a[2] - b[2];
|
|
out[3] = a[3] - b[3];
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Alias for {@link vec4.subtract}
|
|
* @function
|
|
*/
|
|
vec4.sub = vec4.subtract;
|
|
|
|
/**
|
|
* Multiplies two vec4's
|
|
*
|
|
* @param {vec4} out the receiving vector
|
|
* @param {vec4} a the first operand
|
|
* @param {vec4} b the second operand
|
|
* @returns {vec4} out
|
|
*/
|
|
vec4.multiply = function(out, a, b) {
|
|
out[0] = a[0] * b[0];
|
|
out[1] = a[1] * b[1];
|
|
out[2] = a[2] * b[2];
|
|
out[3] = a[3] * b[3];
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Alias for {@link vec4.multiply}
|
|
* @function
|
|
*/
|
|
vec4.mul = vec4.multiply;
|
|
|
|
/**
|
|
* Divides two vec4's
|
|
*
|
|
* @param {vec4} out the receiving vector
|
|
* @param {vec4} a the first operand
|
|
* @param {vec4} b the second operand
|
|
* @returns {vec4} out
|
|
*/
|
|
vec4.divide = function(out, a, b) {
|
|
out[0] = a[0] / b[0];
|
|
out[1] = a[1] / b[1];
|
|
out[2] = a[2] / b[2];
|
|
out[3] = a[3] / b[3];
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Alias for {@link vec4.divide}
|
|
* @function
|
|
*/
|
|
vec4.div = vec4.divide;
|
|
|
|
/**
|
|
* Returns the minimum of two vec4's
|
|
*
|
|
* @param {vec4} out the receiving vector
|
|
* @param {vec4} a the first operand
|
|
* @param {vec4} b the second operand
|
|
* @returns {vec4} out
|
|
*/
|
|
vec4.min = function(out, a, b) {
|
|
out[0] = Math.min(a[0], b[0]);
|
|
out[1] = Math.min(a[1], b[1]);
|
|
out[2] = Math.min(a[2], b[2]);
|
|
out[3] = Math.min(a[3], b[3]);
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Returns the maximum of two vec4's
|
|
*
|
|
* @param {vec4} out the receiving vector
|
|
* @param {vec4} a the first operand
|
|
* @param {vec4} b the second operand
|
|
* @returns {vec4} out
|
|
*/
|
|
vec4.max = function(out, a, b) {
|
|
out[0] = Math.max(a[0], b[0]);
|
|
out[1] = Math.max(a[1], b[1]);
|
|
out[2] = Math.max(a[2], b[2]);
|
|
out[3] = Math.max(a[3], b[3]);
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Scales a vec4 by a scalar number
|
|
*
|
|
* @param {vec4} out the receiving vector
|
|
* @param {vec4} a the vector to scale
|
|
* @param {Number} b amount to scale the vector by
|
|
* @returns {vec4} out
|
|
*/
|
|
vec4.scale = function(out, a, b) {
|
|
out[0] = a[0] * b;
|
|
out[1] = a[1] * b;
|
|
out[2] = a[2] * b;
|
|
out[3] = a[3] * b;
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Adds two vec4's after scaling the second operand by a scalar value
|
|
*
|
|
* @param {vec4} out the receiving vector
|
|
* @param {vec4} a the first operand
|
|
* @param {vec4} b the second operand
|
|
* @param {Number} scale the amount to scale b by before adding
|
|
* @returns {vec4} out
|
|
*/
|
|
vec4.scaleAndAdd = function(out, a, b, scale) {
|
|
out[0] = a[0] + (b[0] * scale);
|
|
out[1] = a[1] + (b[1] * scale);
|
|
out[2] = a[2] + (b[2] * scale);
|
|
out[3] = a[3] + (b[3] * scale);
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Calculates the euclidian distance between two vec4's
|
|
*
|
|
* @param {vec4} a the first operand
|
|
* @param {vec4} b the second operand
|
|
* @returns {Number} distance between a and b
|
|
*/
|
|
vec4.distance = function(a, b) {
|
|
var x = b[0] - a[0],
|
|
y = b[1] - a[1],
|
|
z = b[2] - a[2],
|
|
w = b[3] - a[3];
|
|
return Math.sqrt(x*x + y*y + z*z + w*w);
|
|
};
|
|
|
|
/**
|
|
* Alias for {@link vec4.distance}
|
|
* @function
|
|
*/
|
|
vec4.dist = vec4.distance;
|
|
|
|
/**
|
|
* Calculates the squared euclidian distance between two vec4's
|
|
*
|
|
* @param {vec4} a the first operand
|
|
* @param {vec4} b the second operand
|
|
* @returns {Number} squared distance between a and b
|
|
*/
|
|
vec4.squaredDistance = function(a, b) {
|
|
var x = b[0] - a[0],
|
|
y = b[1] - a[1],
|
|
z = b[2] - a[2],
|
|
w = b[3] - a[3];
|
|
return x*x + y*y + z*z + w*w;
|
|
};
|
|
|
|
/**
|
|
* Alias for {@link vec4.squaredDistance}
|
|
* @function
|
|
*/
|
|
vec4.sqrDist = vec4.squaredDistance;
|
|
|
|
/**
|
|
* Calculates the length of a vec4
|
|
*
|
|
* @param {vec4} a vector to calculate length of
|
|
* @returns {Number} length of a
|
|
*/
|
|
vec4.length = function (a) {
|
|
var x = a[0],
|
|
y = a[1],
|
|
z = a[2],
|
|
w = a[3];
|
|
return Math.sqrt(x*x + y*y + z*z + w*w);
|
|
};
|
|
|
|
/**
|
|
* Alias for {@link vec4.length}
|
|
* @function
|
|
*/
|
|
vec4.len = vec4.length;
|
|
|
|
/**
|
|
* Calculates the squared length of a vec4
|
|
*
|
|
* @param {vec4} a vector to calculate squared length of
|
|
* @returns {Number} squared length of a
|
|
*/
|
|
vec4.squaredLength = function (a) {
|
|
var x = a[0],
|
|
y = a[1],
|
|
z = a[2],
|
|
w = a[3];
|
|
return x*x + y*y + z*z + w*w;
|
|
};
|
|
|
|
/**
|
|
* Alias for {@link vec4.squaredLength}
|
|
* @function
|
|
*/
|
|
vec4.sqrLen = vec4.squaredLength;
|
|
|
|
/**
|
|
* Negates the components of a vec4
|
|
*
|
|
* @param {vec4} out the receiving vector
|
|
* @param {vec4} a vector to negate
|
|
* @returns {vec4} out
|
|
*/
|
|
vec4.negate = function(out, a) {
|
|
out[0] = -a[0];
|
|
out[1] = -a[1];
|
|
out[2] = -a[2];
|
|
out[3] = -a[3];
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Returns the inverse of the components of a vec4
|
|
*
|
|
* @param {vec4} out the receiving vector
|
|
* @param {vec4} a vector to invert
|
|
* @returns {vec4} out
|
|
*/
|
|
vec4.inverse = function(out, a) {
|
|
out[0] = 1.0 / a[0];
|
|
out[1] = 1.0 / a[1];
|
|
out[2] = 1.0 / a[2];
|
|
out[3] = 1.0 / a[3];
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Normalize a vec4
|
|
*
|
|
* @param {vec4} out the receiving vector
|
|
* @param {vec4} a vector to normalize
|
|
* @returns {vec4} out
|
|
*/
|
|
vec4.normalize = function(out, a) {
|
|
var x = a[0],
|
|
y = a[1],
|
|
z = a[2],
|
|
w = a[3];
|
|
var len = x*x + y*y + z*z + w*w;
|
|
if (len > 0) {
|
|
len = 1 / Math.sqrt(len);
|
|
out[0] = x * len;
|
|
out[1] = y * len;
|
|
out[2] = z * len;
|
|
out[3] = w * len;
|
|
}
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Calculates the dot product of two vec4's
|
|
*
|
|
* @param {vec4} a the first operand
|
|
* @param {vec4} b the second operand
|
|
* @returns {Number} dot product of a and b
|
|
*/
|
|
vec4.dot = function (a, b) {
|
|
return a[0] * b[0] + a[1] * b[1] + a[2] * b[2] + a[3] * b[3];
|
|
};
|
|
|
|
/**
|
|
* Performs a linear interpolation between two vec4's
|
|
*
|
|
* @param {vec4} out the receiving vector
|
|
* @param {vec4} a the first operand
|
|
* @param {vec4} b the second operand
|
|
* @param {Number} t interpolation amount between the two inputs
|
|
* @returns {vec4} out
|
|
*/
|
|
vec4.lerp = function (out, a, b, t) {
|
|
var ax = a[0],
|
|
ay = a[1],
|
|
az = a[2],
|
|
aw = a[3];
|
|
out[0] = ax + t * (b[0] - ax);
|
|
out[1] = ay + t * (b[1] - ay);
|
|
out[2] = az + t * (b[2] - az);
|
|
out[3] = aw + t * (b[3] - aw);
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Generates a random vector with the given scale
|
|
*
|
|
* @param {vec4} out the receiving vector
|
|
* @param {Number} [scale] Length of the resulting vector. If ommitted, a unit vector will be returned
|
|
* @returns {vec4} out
|
|
*/
|
|
vec4.random = function (out, scale) {
|
|
scale = scale || 1.0;
|
|
|
|
//TODO: This is a pretty awful way of doing this. Find something better.
|
|
out[0] = glMatrix.RANDOM();
|
|
out[1] = glMatrix.RANDOM();
|
|
out[2] = glMatrix.RANDOM();
|
|
out[3] = glMatrix.RANDOM();
|
|
vec4.normalize(out, out);
|
|
vec4.scale(out, out, scale);
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Transforms the vec4 with a mat4.
|
|
*
|
|
* @param {vec4} out the receiving vector
|
|
* @param {vec4} a the vector to transform
|
|
* @param {mat4} m matrix to transform with
|
|
* @returns {vec4} out
|
|
*/
|
|
vec4.transformMat4 = function(out, a, m) {
|
|
var x = a[0], y = a[1], z = a[2], w = a[3];
|
|
out[0] = m[0] * x + m[4] * y + m[8] * z + m[12] * w;
|
|
out[1] = m[1] * x + m[5] * y + m[9] * z + m[13] * w;
|
|
out[2] = m[2] * x + m[6] * y + m[10] * z + m[14] * w;
|
|
out[3] = m[3] * x + m[7] * y + m[11] * z + m[15] * w;
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Transforms the vec4 with a quat
|
|
*
|
|
* @param {vec4} out the receiving vector
|
|
* @param {vec4} a the vector to transform
|
|
* @param {quat} q quaternion to transform with
|
|
* @returns {vec4} out
|
|
*/
|
|
vec4.transformQuat = function(out, a, q) {
|
|
var x = a[0], y = a[1], z = a[2],
|
|
qx = q[0], qy = q[1], qz = q[2], qw = q[3],
|
|
|
|
// calculate quat * vec
|
|
ix = qw * x + qy * z - qz * y,
|
|
iy = qw * y + qz * x - qx * z,
|
|
iz = qw * z + qx * y - qy * x,
|
|
iw = -qx * x - qy * y - qz * z;
|
|
|
|
// calculate result * inverse quat
|
|
out[0] = ix * qw + iw * -qx + iy * -qz - iz * -qy;
|
|
out[1] = iy * qw + iw * -qy + iz * -qx - ix * -qz;
|
|
out[2] = iz * qw + iw * -qz + ix * -qy - iy * -qx;
|
|
out[3] = a[3];
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Perform some operation over an array of vec4s.
|
|
*
|
|
* @param {Array} a the array of vectors to iterate over
|
|
* @param {Number} stride Number of elements between the start of each vec4. If 0 assumes tightly packed
|
|
* @param {Number} offset Number of elements to skip at the beginning of the array
|
|
* @param {Number} count Number of vec4s to iterate over. If 0 iterates over entire array
|
|
* @param {Function} fn Function to call for each vector in the array
|
|
* @param {Object} [arg] additional argument to pass to fn
|
|
* @returns {Array} a
|
|
* @function
|
|
*/
|
|
vec4.forEach = (function() {
|
|
var vec = vec4.create();
|
|
|
|
return function(a, stride, offset, count, fn, arg) {
|
|
var i, l;
|
|
if(!stride) {
|
|
stride = 4;
|
|
}
|
|
|
|
if(!offset) {
|
|
offset = 0;
|
|
}
|
|
|
|
if(count) {
|
|
l = Math.min((count * stride) + offset, a.length);
|
|
} else {
|
|
l = a.length;
|
|
}
|
|
|
|
for(i = offset; i < l; i += stride) {
|
|
vec[0] = a[i]; vec[1] = a[i+1]; vec[2] = a[i+2]; vec[3] = a[i+3];
|
|
fn(vec, vec, arg);
|
|
a[i] = vec[0]; a[i+1] = vec[1]; a[i+2] = vec[2]; a[i+3] = vec[3];
|
|
}
|
|
|
|
return a;
|
|
};
|
|
})();
|
|
|
|
/**
|
|
* Returns a string representation of a vector
|
|
*
|
|
* @param {vec4} vec vector to represent as a string
|
|
* @returns {String} string representation of the vector
|
|
*/
|
|
vec4.str = function (a) {
|
|
return 'vec4(' + a[0] + ', ' + a[1] + ', ' + a[2] + ', ' + a[3] + ')';
|
|
};
|
|
|
|
module.exports = vec4;
|
|
|
|
|
|
/***/ },
|
|
/* 16 */
|
|
/***/ function(module, exports, __webpack_require__) {
|
|
|
|
/* Copyright (c) 2015, Brandon Jones, Colin MacKenzie IV.
|
|
|
|
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 and this permission notice 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 THE
|
|
AUTHORS OR COPYRIGHT HOLDERS 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. */
|
|
|
|
var glMatrix = __webpack_require__(8);
|
|
|
|
/**
|
|
* @class 2 Dimensional Vector
|
|
* @name vec2
|
|
*/
|
|
var vec2 = {};
|
|
|
|
/**
|
|
* Creates a new, empty vec2
|
|
*
|
|
* @returns {vec2} a new 2D vector
|
|
*/
|
|
vec2.create = function() {
|
|
var out = new glMatrix.ARRAY_TYPE(2);
|
|
out[0] = 0;
|
|
out[1] = 0;
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Creates a new vec2 initialized with values from an existing vector
|
|
*
|
|
* @param {vec2} a vector to clone
|
|
* @returns {vec2} a new 2D vector
|
|
*/
|
|
vec2.clone = function(a) {
|
|
var out = new glMatrix.ARRAY_TYPE(2);
|
|
out[0] = a[0];
|
|
out[1] = a[1];
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Creates a new vec2 initialized with the given values
|
|
*
|
|
* @param {Number} x X component
|
|
* @param {Number} y Y component
|
|
* @returns {vec2} a new 2D vector
|
|
*/
|
|
vec2.fromValues = function(x, y) {
|
|
var out = new glMatrix.ARRAY_TYPE(2);
|
|
out[0] = x;
|
|
out[1] = y;
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Copy the values from one vec2 to another
|
|
*
|
|
* @param {vec2} out the receiving vector
|
|
* @param {vec2} a the source vector
|
|
* @returns {vec2} out
|
|
*/
|
|
vec2.copy = function(out, a) {
|
|
out[0] = a[0];
|
|
out[1] = a[1];
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Set the components of a vec2 to the given values
|
|
*
|
|
* @param {vec2} out the receiving vector
|
|
* @param {Number} x X component
|
|
* @param {Number} y Y component
|
|
* @returns {vec2} out
|
|
*/
|
|
vec2.set = function(out, x, y) {
|
|
out[0] = x;
|
|
out[1] = y;
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Adds two vec2's
|
|
*
|
|
* @param {vec2} out the receiving vector
|
|
* @param {vec2} a the first operand
|
|
* @param {vec2} b the second operand
|
|
* @returns {vec2} out
|
|
*/
|
|
vec2.add = function(out, a, b) {
|
|
out[0] = a[0] + b[0];
|
|
out[1] = a[1] + b[1];
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Subtracts vector b from vector a
|
|
*
|
|
* @param {vec2} out the receiving vector
|
|
* @param {vec2} a the first operand
|
|
* @param {vec2} b the second operand
|
|
* @returns {vec2} out
|
|
*/
|
|
vec2.subtract = function(out, a, b) {
|
|
out[0] = a[0] - b[0];
|
|
out[1] = a[1] - b[1];
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Alias for {@link vec2.subtract}
|
|
* @function
|
|
*/
|
|
vec2.sub = vec2.subtract;
|
|
|
|
/**
|
|
* Multiplies two vec2's
|
|
*
|
|
* @param {vec2} out the receiving vector
|
|
* @param {vec2} a the first operand
|
|
* @param {vec2} b the second operand
|
|
* @returns {vec2} out
|
|
*/
|
|
vec2.multiply = function(out, a, b) {
|
|
out[0] = a[0] * b[0];
|
|
out[1] = a[1] * b[1];
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Alias for {@link vec2.multiply}
|
|
* @function
|
|
*/
|
|
vec2.mul = vec2.multiply;
|
|
|
|
/**
|
|
* Divides two vec2's
|
|
*
|
|
* @param {vec2} out the receiving vector
|
|
* @param {vec2} a the first operand
|
|
* @param {vec2} b the second operand
|
|
* @returns {vec2} out
|
|
*/
|
|
vec2.divide = function(out, a, b) {
|
|
out[0] = a[0] / b[0];
|
|
out[1] = a[1] / b[1];
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Alias for {@link vec2.divide}
|
|
* @function
|
|
*/
|
|
vec2.div = vec2.divide;
|
|
|
|
/**
|
|
* Returns the minimum of two vec2's
|
|
*
|
|
* @param {vec2} out the receiving vector
|
|
* @param {vec2} a the first operand
|
|
* @param {vec2} b the second operand
|
|
* @returns {vec2} out
|
|
*/
|
|
vec2.min = function(out, a, b) {
|
|
out[0] = Math.min(a[0], b[0]);
|
|
out[1] = Math.min(a[1], b[1]);
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Returns the maximum of two vec2's
|
|
*
|
|
* @param {vec2} out the receiving vector
|
|
* @param {vec2} a the first operand
|
|
* @param {vec2} b the second operand
|
|
* @returns {vec2} out
|
|
*/
|
|
vec2.max = function(out, a, b) {
|
|
out[0] = Math.max(a[0], b[0]);
|
|
out[1] = Math.max(a[1], b[1]);
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Scales a vec2 by a scalar number
|
|
*
|
|
* @param {vec2} out the receiving vector
|
|
* @param {vec2} a the vector to scale
|
|
* @param {Number} b amount to scale the vector by
|
|
* @returns {vec2} out
|
|
*/
|
|
vec2.scale = function(out, a, b) {
|
|
out[0] = a[0] * b;
|
|
out[1] = a[1] * b;
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Adds two vec2's after scaling the second operand by a scalar value
|
|
*
|
|
* @param {vec2} out the receiving vector
|
|
* @param {vec2} a the first operand
|
|
* @param {vec2} b the second operand
|
|
* @param {Number} scale the amount to scale b by before adding
|
|
* @returns {vec2} out
|
|
*/
|
|
vec2.scaleAndAdd = function(out, a, b, scale) {
|
|
out[0] = a[0] + (b[0] * scale);
|
|
out[1] = a[1] + (b[1] * scale);
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Calculates the euclidian distance between two vec2's
|
|
*
|
|
* @param {vec2} a the first operand
|
|
* @param {vec2} b the second operand
|
|
* @returns {Number} distance between a and b
|
|
*/
|
|
vec2.distance = function(a, b) {
|
|
var x = b[0] - a[0],
|
|
y = b[1] - a[1];
|
|
return Math.sqrt(x*x + y*y);
|
|
};
|
|
|
|
/**
|
|
* Alias for {@link vec2.distance}
|
|
* @function
|
|
*/
|
|
vec2.dist = vec2.distance;
|
|
|
|
/**
|
|
* Calculates the squared euclidian distance between two vec2's
|
|
*
|
|
* @param {vec2} a the first operand
|
|
* @param {vec2} b the second operand
|
|
* @returns {Number} squared distance between a and b
|
|
*/
|
|
vec2.squaredDistance = function(a, b) {
|
|
var x = b[0] - a[0],
|
|
y = b[1] - a[1];
|
|
return x*x + y*y;
|
|
};
|
|
|
|
/**
|
|
* Alias for {@link vec2.squaredDistance}
|
|
* @function
|
|
*/
|
|
vec2.sqrDist = vec2.squaredDistance;
|
|
|
|
/**
|
|
* Calculates the length of a vec2
|
|
*
|
|
* @param {vec2} a vector to calculate length of
|
|
* @returns {Number} length of a
|
|
*/
|
|
vec2.length = function (a) {
|
|
var x = a[0],
|
|
y = a[1];
|
|
return Math.sqrt(x*x + y*y);
|
|
};
|
|
|
|
/**
|
|
* Alias for {@link vec2.length}
|
|
* @function
|
|
*/
|
|
vec2.len = vec2.length;
|
|
|
|
/**
|
|
* Calculates the squared length of a vec2
|
|
*
|
|
* @param {vec2} a vector to calculate squared length of
|
|
* @returns {Number} squared length of a
|
|
*/
|
|
vec2.squaredLength = function (a) {
|
|
var x = a[0],
|
|
y = a[1];
|
|
return x*x + y*y;
|
|
};
|
|
|
|
/**
|
|
* Alias for {@link vec2.squaredLength}
|
|
* @function
|
|
*/
|
|
vec2.sqrLen = vec2.squaredLength;
|
|
|
|
/**
|
|
* Negates the components of a vec2
|
|
*
|
|
* @param {vec2} out the receiving vector
|
|
* @param {vec2} a vector to negate
|
|
* @returns {vec2} out
|
|
*/
|
|
vec2.negate = function(out, a) {
|
|
out[0] = -a[0];
|
|
out[1] = -a[1];
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Returns the inverse of the components of a vec2
|
|
*
|
|
* @param {vec2} out the receiving vector
|
|
* @param {vec2} a vector to invert
|
|
* @returns {vec2} out
|
|
*/
|
|
vec2.inverse = function(out, a) {
|
|
out[0] = 1.0 / a[0];
|
|
out[1] = 1.0 / a[1];
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Normalize a vec2
|
|
*
|
|
* @param {vec2} out the receiving vector
|
|
* @param {vec2} a vector to normalize
|
|
* @returns {vec2} out
|
|
*/
|
|
vec2.normalize = function(out, a) {
|
|
var x = a[0],
|
|
y = a[1];
|
|
var len = x*x + y*y;
|
|
if (len > 0) {
|
|
//TODO: evaluate use of glm_invsqrt here?
|
|
len = 1 / Math.sqrt(len);
|
|
out[0] = a[0] * len;
|
|
out[1] = a[1] * len;
|
|
}
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Calculates the dot product of two vec2's
|
|
*
|
|
* @param {vec2} a the first operand
|
|
* @param {vec2} b the second operand
|
|
* @returns {Number} dot product of a and b
|
|
*/
|
|
vec2.dot = function (a, b) {
|
|
return a[0] * b[0] + a[1] * b[1];
|
|
};
|
|
|
|
/**
|
|
* Computes the cross product of two vec2's
|
|
* Note that the cross product must by definition produce a 3D vector
|
|
*
|
|
* @param {vec3} out the receiving vector
|
|
* @param {vec2} a the first operand
|
|
* @param {vec2} b the second operand
|
|
* @returns {vec3} out
|
|
*/
|
|
vec2.cross = function(out, a, b) {
|
|
var z = a[0] * b[1] - a[1] * b[0];
|
|
out[0] = out[1] = 0;
|
|
out[2] = z;
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Performs a linear interpolation between two vec2's
|
|
*
|
|
* @param {vec2} out the receiving vector
|
|
* @param {vec2} a the first operand
|
|
* @param {vec2} b the second operand
|
|
* @param {Number} t interpolation amount between the two inputs
|
|
* @returns {vec2} out
|
|
*/
|
|
vec2.lerp = function (out, a, b, t) {
|
|
var ax = a[0],
|
|
ay = a[1];
|
|
out[0] = ax + t * (b[0] - ax);
|
|
out[1] = ay + t * (b[1] - ay);
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Generates a random vector with the given scale
|
|
*
|
|
* @param {vec2} out the receiving vector
|
|
* @param {Number} [scale] Length of the resulting vector. If ommitted, a unit vector will be returned
|
|
* @returns {vec2} out
|
|
*/
|
|
vec2.random = function (out, scale) {
|
|
scale = scale || 1.0;
|
|
var r = glMatrix.RANDOM() * 2.0 * Math.PI;
|
|
out[0] = Math.cos(r) * scale;
|
|
out[1] = Math.sin(r) * scale;
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Transforms the vec2 with a mat2
|
|
*
|
|
* @param {vec2} out the receiving vector
|
|
* @param {vec2} a the vector to transform
|
|
* @param {mat2} m matrix to transform with
|
|
* @returns {vec2} out
|
|
*/
|
|
vec2.transformMat2 = function(out, a, m) {
|
|
var x = a[0],
|
|
y = a[1];
|
|
out[0] = m[0] * x + m[2] * y;
|
|
out[1] = m[1] * x + m[3] * y;
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Transforms the vec2 with a mat2d
|
|
*
|
|
* @param {vec2} out the receiving vector
|
|
* @param {vec2} a the vector to transform
|
|
* @param {mat2d} m matrix to transform with
|
|
* @returns {vec2} out
|
|
*/
|
|
vec2.transformMat2d = function(out, a, m) {
|
|
var x = a[0],
|
|
y = a[1];
|
|
out[0] = m[0] * x + m[2] * y + m[4];
|
|
out[1] = m[1] * x + m[3] * y + m[5];
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Transforms the vec2 with a mat3
|
|
* 3rd vector component is implicitly '1'
|
|
*
|
|
* @param {vec2} out the receiving vector
|
|
* @param {vec2} a the vector to transform
|
|
* @param {mat3} m matrix to transform with
|
|
* @returns {vec2} out
|
|
*/
|
|
vec2.transformMat3 = function(out, a, m) {
|
|
var x = a[0],
|
|
y = a[1];
|
|
out[0] = m[0] * x + m[3] * y + m[6];
|
|
out[1] = m[1] * x + m[4] * y + m[7];
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Transforms the vec2 with a mat4
|
|
* 3rd vector component is implicitly '0'
|
|
* 4th vector component is implicitly '1'
|
|
*
|
|
* @param {vec2} out the receiving vector
|
|
* @param {vec2} a the vector to transform
|
|
* @param {mat4} m matrix to transform with
|
|
* @returns {vec2} out
|
|
*/
|
|
vec2.transformMat4 = function(out, a, m) {
|
|
var x = a[0],
|
|
y = a[1];
|
|
out[0] = m[0] * x + m[4] * y + m[12];
|
|
out[1] = m[1] * x + m[5] * y + m[13];
|
|
return out;
|
|
};
|
|
|
|
/**
|
|
* Perform some operation over an array of vec2s.
|
|
*
|
|
* @param {Array} a the array of vectors to iterate over
|
|
* @param {Number} stride Number of elements between the start of each vec2. If 0 assumes tightly packed
|
|
* @param {Number} offset Number of elements to skip at the beginning of the array
|
|
* @param {Number} count Number of vec2s to iterate over. If 0 iterates over entire array
|
|
* @param {Function} fn Function to call for each vector in the array
|
|
* @param {Object} [arg] additional argument to pass to fn
|
|
* @returns {Array} a
|
|
* @function
|
|
*/
|
|
vec2.forEach = (function() {
|
|
var vec = vec2.create();
|
|
|
|
return function(a, stride, offset, count, fn, arg) {
|
|
var i, l;
|
|
if(!stride) {
|
|
stride = 2;
|
|
}
|
|
|
|
if(!offset) {
|
|
offset = 0;
|
|
}
|
|
|
|
if(count) {
|
|
l = Math.min((count * stride) + offset, a.length);
|
|
} else {
|
|
l = a.length;
|
|
}
|
|
|
|
for(i = offset; i < l; i += stride) {
|
|
vec[0] = a[i]; vec[1] = a[i+1];
|
|
fn(vec, vec, arg);
|
|
a[i] = vec[0]; a[i+1] = vec[1];
|
|
}
|
|
|
|
return a;
|
|
};
|
|
})();
|
|
|
|
/**
|
|
* Returns a string representation of a vector
|
|
*
|
|
* @param {vec2} vec vector to represent as a string
|
|
* @returns {String} string representation of the vector
|
|
*/
|
|
vec2.str = function (a) {
|
|
return 'vec2(' + a[0] + ', ' + a[1] + ')';
|
|
};
|
|
|
|
module.exports = vec2;
|
|
|
|
|
|
/***/ },
|
|
/* 17 */
|
|
/***/ function(module, exports) {
|
|
|
|
"use strict";
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
exports["default"] = {
|
|
init: function init(arr, val) {
|
|
var l = arr.length;
|
|
while (l--) {
|
|
arr[l] = val;
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Shuffles the content of an array
|
|
* @return {Array} the array itself shuffled
|
|
*/
|
|
shuffle: function shuffle(arr) {
|
|
var i = arr.length - 1,
|
|
j,
|
|
x;
|
|
for (i; i >= 0; i--) {
|
|
j = Math.floor(Math.random() * i);
|
|
x = arr[i];
|
|
arr[i] = arr[j];
|
|
arr[j] = x;
|
|
}
|
|
return arr;
|
|
},
|
|
|
|
toPointList: function toPointList(arr) {
|
|
var i,
|
|
j,
|
|
row = [],
|
|
rows = [];
|
|
for (i = 0; i < arr.length; i++) {
|
|
row = [];
|
|
for (j = 0; j < arr[i].length; j++) {
|
|
row[j] = arr[i][j];
|
|
}
|
|
rows[i] = "[" + row.join(",") + "]";
|
|
}
|
|
return "[" + rows.join(",\r\n") + "]";
|
|
},
|
|
|
|
/**
|
|
* returns the elements which's score is bigger than the threshold
|
|
* @return {Array} the reduced array
|
|
*/
|
|
threshold: function threshold(arr, _threshold, scoreFunc) {
|
|
var i,
|
|
queue = [];
|
|
for (i = 0; i < arr.length; i++) {
|
|
if (scoreFunc.apply(arr, [arr[i]]) >= _threshold) {
|
|
queue.push(arr[i]);
|
|
}
|
|
}
|
|
return queue;
|
|
},
|
|
|
|
maxIndex: function maxIndex(arr) {
|
|
var i,
|
|
max = 0;
|
|
for (i = 0; i < arr.length; i++) {
|
|
if (arr[i] > arr[max]) {
|
|
max = i;
|
|
}
|
|
}
|
|
return max;
|
|
},
|
|
|
|
max: function max(arr) {
|
|
var i,
|
|
max = 0;
|
|
for (i = 0; i < arr.length; i++) {
|
|
if (arr[i] > max) {
|
|
max = arr[i];
|
|
}
|
|
}
|
|
return max;
|
|
},
|
|
|
|
sum: function sum(arr) {
|
|
var length = arr.length,
|
|
sum = 0;
|
|
|
|
while (length--) {
|
|
sum += arr[length];
|
|
}
|
|
return sum;
|
|
}
|
|
};
|
|
module.exports = exports["default"];
|
|
|
|
/***/ },
|
|
/* 18 */
|
|
/***/ function(module, exports, __webpack_require__) {
|
|
|
|
/* WEBPACK VAR INJECTION */(function(global) {'use strict';
|
|
|
|
Object.defineProperty(exports, '__esModule', {
|
|
value: true
|
|
});
|
|
|
|
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }
|
|
|
|
var _image_wrapper = __webpack_require__(3);
|
|
|
|
var _image_wrapper2 = _interopRequireDefault(_image_wrapper);
|
|
|
|
var _cv_utils = __webpack_require__(5);
|
|
|
|
var _cv_utils2 = _interopRequireDefault(_cv_utils);
|
|
|
|
var _rasterizer = __webpack_require__(19);
|
|
|
|
var _rasterizer2 = _interopRequireDefault(_rasterizer);
|
|
|
|
var _tracer = __webpack_require__(20);
|
|
|
|
var _tracer2 = _interopRequireDefault(_tracer);
|
|
|
|
var _skeletonizer2 = __webpack_require__(21);
|
|
|
|
var _skeletonizer3 = _interopRequireDefault(_skeletonizer2);
|
|
|
|
var _array_helper = __webpack_require__(17);
|
|
|
|
var _array_helper2 = _interopRequireDefault(_array_helper);
|
|
|
|
var _image_debug = __webpack_require__(22);
|
|
|
|
var _image_debug2 = _interopRequireDefault(_image_debug);
|
|
|
|
var _glMatrix = __webpack_require__(7);
|
|
|
|
var _glMatrix2 = _interopRequireDefault(_glMatrix);
|
|
|
|
var _config,
|
|
_currentImageWrapper,
|
|
_skelImageWrapper,
|
|
_subImageWrapper,
|
|
_labelImageWrapper,
|
|
_patchGrid,
|
|
_patchLabelGrid,
|
|
_imageToPatchGrid,
|
|
_binaryImageWrapper,
|
|
_patchSize,
|
|
_canvasContainer = {
|
|
ctx: {
|
|
binary: null
|
|
},
|
|
dom: {
|
|
binary: null
|
|
}
|
|
},
|
|
_numPatches = { x: 0, y: 0 },
|
|
_inputImageWrapper,
|
|
_skeletonizer,
|
|
vec2 = _glMatrix2['default'].vec2,
|
|
mat2 = _glMatrix2['default'].mat2;
|
|
|
|
function initBuffers() {
|
|
var skeletonImageData;
|
|
|
|
if (_config.halfSample) {
|
|
_currentImageWrapper = new _image_wrapper2['default']({
|
|
x: _inputImageWrapper.size.x / 2 | 0,
|
|
y: _inputImageWrapper.size.y / 2 | 0
|
|
});
|
|
} else {
|
|
_currentImageWrapper = _inputImageWrapper;
|
|
}
|
|
|
|
_patchSize = _cv_utils2['default'].calculatePatchSize(_config.patchSize, _currentImageWrapper.size);
|
|
|
|
_numPatches.x = _currentImageWrapper.size.x / _patchSize.x | 0;
|
|
_numPatches.y = _currentImageWrapper.size.y / _patchSize.y | 0;
|
|
|
|
_binaryImageWrapper = new _image_wrapper2['default'](_currentImageWrapper.size, undefined, Uint8Array, false);
|
|
|
|
_labelImageWrapper = new _image_wrapper2['default'](_patchSize, undefined, Array, true);
|
|
|
|
skeletonImageData = new ArrayBuffer(64 * 1024);
|
|
_subImageWrapper = new _image_wrapper2['default'](_patchSize, new Uint8Array(skeletonImageData, 0, _patchSize.x * _patchSize.y));
|
|
_skelImageWrapper = new _image_wrapper2['default'](_patchSize, new Uint8Array(skeletonImageData, _patchSize.x * _patchSize.y * 3, _patchSize.x * _patchSize.y), undefined, true);
|
|
_skeletonizer = (0, _skeletonizer3['default'])(typeof window !== 'undefined' ? window : typeof self !== 'undefined' ? self : global, {
|
|
size: _patchSize.x
|
|
}, skeletonImageData);
|
|
|
|
_imageToPatchGrid = new _image_wrapper2['default']({
|
|
x: _currentImageWrapper.size.x / _subImageWrapper.size.x | 0,
|
|
y: _currentImageWrapper.size.y / _subImageWrapper.size.y | 0
|
|
}, undefined, Array, true);
|
|
_patchGrid = new _image_wrapper2['default'](_imageToPatchGrid.size, undefined, undefined, true);
|
|
_patchLabelGrid = new _image_wrapper2['default'](_imageToPatchGrid.size, undefined, Int32Array, true);
|
|
}
|
|
|
|
function initCanvas() {
|
|
if (_config.useWorker || typeof document === 'undefined') {
|
|
return;
|
|
}
|
|
_canvasContainer.dom.binary = document.createElement("canvas");
|
|
_canvasContainer.dom.binary.className = "binaryBuffer";
|
|
if (_config.showCanvas === true) {
|
|
document.querySelector("#debug").appendChild(_canvasContainer.dom.binary);
|
|
}
|
|
_canvasContainer.ctx.binary = _canvasContainer.dom.binary.getContext("2d");
|
|
_canvasContainer.dom.binary.width = _binaryImageWrapper.size.x;
|
|
_canvasContainer.dom.binary.height = _binaryImageWrapper.size.y;
|
|
}
|
|
|
|
/**
|
|
* Creates a bounding box which encloses all the given patches
|
|
* @returns {Array} The minimal bounding box
|
|
*/
|
|
function boxFromPatches(patches) {
|
|
var overAvg,
|
|
i,
|
|
j,
|
|
patch,
|
|
transMat,
|
|
minx = _binaryImageWrapper.size.x,
|
|
miny = _binaryImageWrapper.size.y,
|
|
maxx = -_binaryImageWrapper.size.x,
|
|
maxy = -_binaryImageWrapper.size.y,
|
|
box,
|
|
scale;
|
|
|
|
// draw all patches which are to be taken into consideration
|
|
overAvg = 0;
|
|
for (i = 0; i < patches.length; i++) {
|
|
patch = patches[i];
|
|
overAvg += patch.rad;
|
|
if (_config.showPatches) {
|
|
_image_debug2['default'].drawRect(patch.pos, _subImageWrapper.size, _canvasContainer.ctx.binary, { color: "red" });
|
|
}
|
|
}
|
|
|
|
overAvg /= patches.length;
|
|
overAvg = (overAvg * 180 / Math.PI + 90) % 180 - 90;
|
|
if (overAvg < 0) {
|
|
overAvg += 180;
|
|
}
|
|
|
|
overAvg = (180 - overAvg) * Math.PI / 180;
|
|
transMat = mat2.clone([Math.cos(overAvg), Math.sin(overAvg), -Math.sin(overAvg), Math.cos(overAvg)]);
|
|
|
|
// iterate over patches and rotate by angle
|
|
for (i = 0; i < patches.length; i++) {
|
|
patch = patches[i];
|
|
for (j = 0; j < 4; j++) {
|
|
vec2.transformMat2(patch.box[j], patch.box[j], transMat);
|
|
}
|
|
|
|
if (_config.boxFromPatches.showTransformed) {
|
|
_image_debug2['default'].drawPath(patch.box, { x: 0, y: 1 }, _canvasContainer.ctx.binary, { color: '#99ff00', lineWidth: 2 });
|
|
}
|
|
}
|
|
|
|
// find bounding box
|
|
for (i = 0; i < patches.length; i++) {
|
|
patch = patches[i];
|
|
for (j = 0; j < 4; j++) {
|
|
if (patch.box[j][0] < minx) {
|
|
minx = patch.box[j][0];
|
|
}
|
|
if (patch.box[j][0] > maxx) {
|
|
maxx = patch.box[j][0];
|
|
}
|
|
if (patch.box[j][1] < miny) {
|
|
miny = patch.box[j][1];
|
|
}
|
|
if (patch.box[j][1] > maxy) {
|
|
maxy = patch.box[j][1];
|
|
}
|
|
}
|
|
}
|
|
|
|
box = [[minx, miny], [maxx, miny], [maxx, maxy], [minx, maxy]];
|
|
|
|
if (_config.boxFromPatches.showTransformedBox) {
|
|
_image_debug2['default'].drawPath(box, { x: 0, y: 1 }, _canvasContainer.ctx.binary, { color: '#ff0000', lineWidth: 2 });
|
|
}
|
|
|
|
scale = _config.halfSample ? 2 : 1;
|
|
// reverse rotation;
|
|
transMat = mat2.invert(transMat, transMat);
|
|
for (j = 0; j < 4; j++) {
|
|
vec2.transformMat2(box[j], box[j], transMat);
|
|
}
|
|
|
|
if (_config.boxFromPatches.showBB) {
|
|
_image_debug2['default'].drawPath(box, { x: 0, y: 1 }, _canvasContainer.ctx.binary, { color: '#ff0000', lineWidth: 2 });
|
|
}
|
|
|
|
for (j = 0; j < 4; j++) {
|
|
vec2.scale(box[j], box[j], scale);
|
|
}
|
|
|
|
return box;
|
|
}
|
|
|
|
/**
|
|
* Creates a binary image of the current image
|
|
*/
|
|
function binarizeImage() {
|
|
_cv_utils2['default'].otsuThreshold(_currentImageWrapper, _binaryImageWrapper);
|
|
_binaryImageWrapper.zeroBorder();
|
|
if (_config.showCanvas) {
|
|
_binaryImageWrapper.show(_canvasContainer.dom.binary, 255);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Iterate over the entire image
|
|
* extract patches
|
|
*/
|
|
function findPatches() {
|
|
var i,
|
|
j,
|
|
x,
|
|
y,
|
|
moments,
|
|
patchesFound = [],
|
|
rasterizer,
|
|
rasterResult,
|
|
patch;
|
|
for (i = 0; i < _numPatches.x; i++) {
|
|
for (j = 0; j < _numPatches.y; j++) {
|
|
x = _subImageWrapper.size.x * i;
|
|
y = _subImageWrapper.size.y * j;
|
|
|
|
// seperate parts
|
|
skeletonize(x, y);
|
|
|
|
// Rasterize, find individual bars
|
|
_skelImageWrapper.zeroBorder();
|
|
_array_helper2['default'].init(_labelImageWrapper.data, 0);
|
|
rasterizer = _rasterizer2['default'].create(_skelImageWrapper, _labelImageWrapper);
|
|
rasterResult = rasterizer.rasterize(0);
|
|
|
|
if (_config.showLabels) {
|
|
_labelImageWrapper.overlay(_canvasContainer.dom.binary, Math.floor(360 / rasterResult.count), { x: x, y: y });
|
|
}
|
|
|
|
// calculate moments from the skeletonized patch
|
|
moments = _labelImageWrapper.moments(rasterResult.count);
|
|
|
|
// extract eligible patches
|
|
patchesFound = patchesFound.concat(describePatch(moments, [i, j], x, y));
|
|
}
|
|
}
|
|
|
|
if (_config.showFoundPatches) {
|
|
for (i = 0; i < patchesFound.length; i++) {
|
|
patch = patchesFound[i];
|
|
_image_debug2['default'].drawRect(patch.pos, _subImageWrapper.size, _canvasContainer.ctx.binary, { color: "#99ff00", lineWidth: 2 });
|
|
}
|
|
}
|
|
|
|
return patchesFound;
|
|
}
|
|
|
|
/**
|
|
* Finds those connected areas which contain at least 6 patches
|
|
* and returns them ordered DESC by the number of contained patches
|
|
* @param {Number} maxLabel
|
|
*/
|
|
function findBiggestConnectedAreas(maxLabel) {
|
|
var i,
|
|
sum,
|
|
labelHist = [],
|
|
topLabels = [];
|
|
|
|
for (i = 0; i < maxLabel; i++) {
|
|
labelHist.push(0);
|
|
}
|
|
sum = _patchLabelGrid.data.length;
|
|
while (sum--) {
|
|
if (_patchLabelGrid.data[sum] > 0) {
|
|
labelHist[_patchLabelGrid.data[sum] - 1]++;
|
|
}
|
|
}
|
|
|
|
labelHist = labelHist.map(function (val, idx) {
|
|
return {
|
|
val: val,
|
|
label: idx + 1
|
|
};
|
|
});
|
|
|
|
labelHist.sort(function (a, b) {
|
|
return b.val - a.val;
|
|
});
|
|
|
|
// extract top areas with at least 6 patches present
|
|
topLabels = labelHist.filter(function (el) {
|
|
return el.val >= 5;
|
|
});
|
|
|
|
return topLabels;
|
|
}
|
|
|
|
/**
|
|
*
|
|
*/
|
|
function findBoxes(topLabels, maxLabel) {
|
|
var i,
|
|
j,
|
|
sum,
|
|
patches = [],
|
|
patch,
|
|
box,
|
|
boxes = [],
|
|
hsv = [0, 1, 1],
|
|
rgb = [0, 0, 0];
|
|
|
|
for (i = 0; i < topLabels.length; i++) {
|
|
sum = _patchLabelGrid.data.length;
|
|
patches.length = 0;
|
|
while (sum--) {
|
|
if (_patchLabelGrid.data[sum] === topLabels[i].label) {
|
|
patch = _imageToPatchGrid.data[sum];
|
|
patches.push(patch);
|
|
}
|
|
}
|
|
box = boxFromPatches(patches);
|
|
if (box) {
|
|
boxes.push(box);
|
|
|
|
// draw patch-labels if requested
|
|
if (_config.showRemainingPatchLabels) {
|
|
for (j = 0; j < patches.length; j++) {
|
|
patch = patches[j];
|
|
hsv[0] = topLabels[i].label / (maxLabel + 1) * 360;
|
|
_cv_utils2['default'].hsv2rgb(hsv, rgb);
|
|
_image_debug2['default'].drawRect(patch.pos, _subImageWrapper.size, _canvasContainer.ctx.binary, { color: "rgb(" + rgb.join(",") + ")", lineWidth: 2 });
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return boxes;
|
|
}
|
|
|
|
/**
|
|
* Find similar moments (via cluster)
|
|
* @param {Object} moments
|
|
*/
|
|
function similarMoments(moments) {
|
|
var clusters = _cv_utils2['default'].cluster(moments, 0.90);
|
|
var topCluster = _cv_utils2['default'].topGeneric(clusters, 1, function (e) {
|
|
return e.getPoints().length;
|
|
});
|
|
var points = [],
|
|
result = [];
|
|
if (topCluster.length === 1) {
|
|
points = topCluster[0].item.getPoints();
|
|
for (var i = 0; i < points.length; i++) {
|
|
result.push(points[i].point);
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
function skeletonize(x, y) {
|
|
_binaryImageWrapper.subImageAsCopy(_subImageWrapper, _cv_utils2['default'].imageRef(x, y));
|
|
_skeletonizer.skeletonize();
|
|
|
|
// Show skeleton if requested
|
|
if (_config.showSkeleton) {
|
|
_skelImageWrapper.overlay(_canvasContainer.dom.binary, 360, _cv_utils2['default'].imageRef(x, y));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Extracts and describes those patches which seem to contain a barcode pattern
|
|
* @param {Array} moments
|
|
* @param {Object} patchPos,
|
|
* @param {Number} x
|
|
* @param {Number} y
|
|
* @returns {Array} list of patches
|
|
*/
|
|
function describePatch(moments, patchPos, x, y) {
|
|
var k,
|
|
avg,
|
|
eligibleMoments = [],
|
|
matchingMoments,
|
|
patch,
|
|
patchesFound = [],
|
|
minComponentWeight = Math.ceil(_patchSize.x / 3);
|
|
|
|
if (moments.length >= 2) {
|
|
// only collect moments which's area covers at least minComponentWeight pixels.
|
|
for (k = 0; k < moments.length; k++) {
|
|
if (moments[k].m00 > minComponentWeight) {
|
|
eligibleMoments.push(moments[k]);
|
|
}
|
|
}
|
|
|
|
// if at least 2 moments are found which have at least minComponentWeights covered
|
|
if (eligibleMoments.length >= 2) {
|
|
matchingMoments = similarMoments(eligibleMoments);
|
|
avg = 0;
|
|
// determine the similarity of the moments
|
|
for (k = 0; k < matchingMoments.length; k++) {
|
|
avg += matchingMoments[k].rad;
|
|
}
|
|
|
|
// Only two of the moments are allowed not to fit into the equation
|
|
// add the patch to the set
|
|
if (matchingMoments.length > 1 && matchingMoments.length >= eligibleMoments.length / 4 * 3 && matchingMoments.length > moments.length / 4) {
|
|
avg /= matchingMoments.length;
|
|
patch = {
|
|
index: patchPos[1] * _numPatches.x + patchPos[0],
|
|
pos: {
|
|
x: x,
|
|
y: y
|
|
},
|
|
box: [vec2.clone([x, y]), vec2.clone([x + _subImageWrapper.size.x, y]), vec2.clone([x + _subImageWrapper.size.x, y + _subImageWrapper.size.y]), vec2.clone([x, y + _subImageWrapper.size.y])],
|
|
moments: matchingMoments,
|
|
rad: avg,
|
|
vec: vec2.clone([Math.cos(avg), Math.sin(avg)])
|
|
};
|
|
patchesFound.push(patch);
|
|
}
|
|
}
|
|
}
|
|
return patchesFound;
|
|
}
|
|
|
|
/**
|
|
* finds patches which are connected and share the same orientation
|
|
* @param {Object} patchesFound
|
|
*/
|
|
function rasterizeAngularSimilarity(patchesFound) {
|
|
var label = 0,
|
|
threshold = 0.95,
|
|
currIdx = 0,
|
|
j,
|
|
patch,
|
|
hsv = [0, 1, 1],
|
|
rgb = [0, 0, 0];
|
|
|
|
function notYetProcessed() {
|
|
var i;
|
|
for (i = 0; i < _patchLabelGrid.data.length; i++) {
|
|
if (_patchLabelGrid.data[i] === 0 && _patchGrid.data[i] === 1) {
|
|
return i;
|
|
}
|
|
}
|
|
return _patchLabelGrid.length;
|
|
}
|
|
|
|
function trace(currentIdx) {
|
|
var x,
|
|
y,
|
|
currentPatch,
|
|
idx,
|
|
dir,
|
|
current = {
|
|
x: currentIdx % _patchLabelGrid.size.x,
|
|
y: currentIdx / _patchLabelGrid.size.x | 0
|
|
},
|
|
similarity;
|
|
|
|
if (currentIdx < _patchLabelGrid.data.length) {
|
|
currentPatch = _imageToPatchGrid.data[currentIdx];
|
|
// assign label
|
|
_patchLabelGrid.data[currentIdx] = label;
|
|
for (dir = 0; dir < _tracer2['default'].searchDirections.length; dir++) {
|
|
y = current.y + _tracer2['default'].searchDirections[dir][0];
|
|
x = current.x + _tracer2['default'].searchDirections[dir][1];
|
|
idx = y * _patchLabelGrid.size.x + x;
|
|
|
|
// continue if patch empty
|
|
if (_patchGrid.data[idx] === 0) {
|
|
_patchLabelGrid.data[idx] = Number.MAX_VALUE;
|
|
continue;
|
|
}
|
|
|
|
if (_patchLabelGrid.data[idx] === 0) {
|
|
similarity = Math.abs(vec2.dot(_imageToPatchGrid.data[idx].vec, currentPatch.vec));
|
|
if (similarity > threshold) {
|
|
trace(idx);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// prepare for finding the right patches
|
|
_array_helper2['default'].init(_patchGrid.data, 0);
|
|
_array_helper2['default'].init(_patchLabelGrid.data, 0);
|
|
_array_helper2['default'].init(_imageToPatchGrid.data, null);
|
|
|
|
for (j = 0; j < patchesFound.length; j++) {
|
|
patch = patchesFound[j];
|
|
_imageToPatchGrid.data[patch.index] = patch;
|
|
_patchGrid.data[patch.index] = 1;
|
|
}
|
|
|
|
// rasterize the patches found to determine area
|
|
_patchGrid.zeroBorder();
|
|
|
|
while ((currIdx = notYetProcessed()) < _patchLabelGrid.data.length) {
|
|
label++;
|
|
trace(currIdx);
|
|
}
|
|
|
|
// draw patch-labels if requested
|
|
if (_config.showPatchLabels) {
|
|
for (j = 0; j < _patchLabelGrid.data.length; j++) {
|
|
if (_patchLabelGrid.data[j] > 0 && _patchLabelGrid.data[j] <= label) {
|
|
patch = _imageToPatchGrid.data[j];
|
|
hsv[0] = _patchLabelGrid.data[j] / (label + 1) * 360;
|
|
_cv_utils2['default'].hsv2rgb(hsv, rgb);
|
|
_image_debug2['default'].drawRect(patch.pos, _subImageWrapper.size, _canvasContainer.ctx.binary, { color: "rgb(" + rgb.join(",") + ")", lineWidth: 2 });
|
|
}
|
|
}
|
|
}
|
|
|
|
return label;
|
|
}
|
|
|
|
exports['default'] = {
|
|
init: function init(inputImageWrapper, config) {
|
|
_config = config;
|
|
_inputImageWrapper = inputImageWrapper;
|
|
|
|
initBuffers();
|
|
initCanvas();
|
|
},
|
|
|
|
locate: function locate() {
|
|
var patchesFound, topLabels, boxes;
|
|
|
|
if (_config.halfSample) {
|
|
_cv_utils2['default'].halfSample(_inputImageWrapper, _currentImageWrapper);
|
|
}
|
|
|
|
binarizeImage();
|
|
patchesFound = findPatches();
|
|
// return unless 5% or more patches are found
|
|
if (patchesFound.length < _numPatches.x * _numPatches.y * 0.05) {
|
|
return null;
|
|
}
|
|
|
|
// rasterrize area by comparing angular similarity;
|
|
var maxLabel = rasterizeAngularSimilarity(patchesFound);
|
|
if (maxLabel < 1) {
|
|
return null;
|
|
}
|
|
|
|
// search for area with the most patches (biggest connected area)
|
|
topLabels = findBiggestConnectedAreas(maxLabel);
|
|
if (topLabels.length === 0) {
|
|
return null;
|
|
}
|
|
|
|
boxes = findBoxes(topLabels, maxLabel);
|
|
return boxes;
|
|
},
|
|
|
|
checkImageConstraints: function checkImageConstraints(inputStream, config) {
|
|
var patchSize,
|
|
width = inputStream.getWidth(),
|
|
height = inputStream.getHeight(),
|
|
halfSample = config.halfSample ? 0.5 : 1,
|
|
size,
|
|
area;
|
|
|
|
// calculate width and height based on area
|
|
if (inputStream.getConfig().area) {
|
|
area = _cv_utils2['default'].computeImageArea(width, height, inputStream.getConfig().area);
|
|
inputStream.setTopRight({ x: area.sx, y: area.sy });
|
|
inputStream.setCanvasSize({ x: width, y: height });
|
|
width = area.sw;
|
|
height = area.sh;
|
|
}
|
|
|
|
size = {
|
|
x: Math.floor(width * halfSample),
|
|
y: Math.floor(height * halfSample)
|
|
};
|
|
|
|
patchSize = _cv_utils2['default'].calculatePatchSize(config.patchSize, size);
|
|
console.log("Patch-Size: " + JSON.stringify(patchSize));
|
|
|
|
inputStream.setWidth(Math.floor(Math.floor(size.x / patchSize.x) * (1 / halfSample) * patchSize.x));
|
|
inputStream.setHeight(Math.floor(Math.floor(size.y / patchSize.y) * (1 / halfSample) * patchSize.y));
|
|
|
|
if (inputStream.getWidth() % patchSize.x === 0 && inputStream.getHeight() % patchSize.y === 0) {
|
|
return true;
|
|
}
|
|
|
|
throw new Error("Image dimensions do not comply with the current settings: Width (" + width + " )and height (" + height + ") must a multiple of " + patchSize.x);
|
|
}
|
|
};
|
|
module.exports = exports['default'];
|
|
/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))
|
|
|
|
/***/ },
|
|
/* 19 */
|
|
/***/ function(module, exports, __webpack_require__) {
|
|
|
|
"use strict";
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
|
|
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
|
|
|
|
var _tracer = __webpack_require__(20);
|
|
|
|
var _tracer2 = _interopRequireDefault(_tracer);
|
|
|
|
/**
|
|
* http://www.codeproject.com/Tips/407172/Connected-Component-Labeling-and-Vectorization
|
|
*/
|
|
var Rasterizer = {
|
|
createContour2D: function createContour2D() {
|
|
return {
|
|
dir: null,
|
|
index: null,
|
|
firstVertex: null,
|
|
insideContours: null,
|
|
nextpeer: null,
|
|
prevpeer: null
|
|
};
|
|
},
|
|
CONTOUR_DIR: {
|
|
CW_DIR: 0,
|
|
CCW_DIR: 1,
|
|
UNKNOWN_DIR: 2
|
|
},
|
|
DIR: {
|
|
OUTSIDE_EDGE: -32767,
|
|
INSIDE_EDGE: -32766
|
|
},
|
|
create: function create(imageWrapper, labelWrapper) {
|
|
var imageData = imageWrapper.data,
|
|
labelData = labelWrapper.data,
|
|
width = imageWrapper.size.x,
|
|
height = imageWrapper.size.y,
|
|
tracer = _tracer2["default"].create(imageWrapper, labelWrapper);
|
|
|
|
return {
|
|
rasterize: function rasterize(depthlabel) {
|
|
var color,
|
|
bc,
|
|
lc,
|
|
labelindex,
|
|
cx,
|
|
cy,
|
|
colorMap = [],
|
|
vertex,
|
|
p,
|
|
cc,
|
|
sc,
|
|
pos,
|
|
connectedCount = 0,
|
|
i;
|
|
|
|
for (i = 0; i < 400; i++) {
|
|
colorMap[i] = 0;
|
|
}
|
|
|
|
colorMap[0] = imageData[0];
|
|
cc = null;
|
|
for (cy = 1; cy < height - 1; cy++) {
|
|
labelindex = 0;
|
|
bc = colorMap[0];
|
|
for (cx = 1; cx < width - 1; cx++) {
|
|
pos = cy * width + cx;
|
|
if (labelData[pos] === 0) {
|
|
color = imageData[pos];
|
|
if (color !== bc) {
|
|
if (labelindex === 0) {
|
|
lc = connectedCount + 1;
|
|
colorMap[lc] = color;
|
|
bc = color;
|
|
vertex = tracer.contourTracing(cy, cx, lc, color, Rasterizer.DIR.OUTSIDE_EDGE);
|
|
if (vertex !== null) {
|
|
connectedCount++;
|
|
labelindex = lc;
|
|
p = Rasterizer.createContour2D();
|
|
p.dir = Rasterizer.CONTOUR_DIR.CW_DIR;
|
|
p.index = labelindex;
|
|
p.firstVertex = vertex;
|
|
p.nextpeer = cc;
|
|
p.insideContours = null;
|
|
if (cc !== null) {
|
|
cc.prevpeer = p;
|
|
}
|
|
cc = p;
|
|
}
|
|
} else {
|
|
vertex = tracer.contourTracing(cy, cx, Rasterizer.DIR.INSIDE_EDGE, color, labelindex);
|
|
if (vertex !== null) {
|
|
p = Rasterizer.createContour2D();
|
|
p.firstVertex = vertex;
|
|
p.insideContours = null;
|
|
if (depthlabel === 0) {
|
|
p.dir = Rasterizer.CONTOUR_DIR.CCW_DIR;
|
|
} else {
|
|
p.dir = Rasterizer.CONTOUR_DIR.CW_DIR;
|
|
}
|
|
p.index = depthlabel;
|
|
sc = cc;
|
|
while (sc !== null && sc.index !== labelindex) {
|
|
sc = sc.nextpeer;
|
|
}
|
|
if (sc !== null) {
|
|
p.nextpeer = sc.insideContours;
|
|
if (sc.insideContours !== null) {
|
|
sc.insideContours.prevpeer = p;
|
|
}
|
|
sc.insideContours = p;
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
labelData[pos] = labelindex;
|
|
}
|
|
} else if (labelData[pos] === Rasterizer.DIR.OUTSIDE_EDGE || labelData[pos] === Rasterizer.DIR.INSIDE_EDGE) {
|
|
labelindex = 0;
|
|
if (labelData[pos] === Rasterizer.DIR.INSIDE_EDGE) {
|
|
bc = imageData[pos];
|
|
} else {
|
|
bc = colorMap[0];
|
|
}
|
|
} else {
|
|
labelindex = labelData[pos];
|
|
bc = colorMap[labelindex];
|
|
}
|
|
}
|
|
}
|
|
sc = cc;
|
|
while (sc !== null) {
|
|
sc.index = depthlabel;
|
|
sc = sc.nextpeer;
|
|
}
|
|
return {
|
|
cc: cc,
|
|
count: connectedCount
|
|
};
|
|
},
|
|
debug: {
|
|
drawContour: function drawContour(canvas, firstContour) {
|
|
var ctx = canvas.getContext("2d"),
|
|
pq = firstContour,
|
|
iq,
|
|
q,
|
|
p;
|
|
|
|
ctx.strokeStyle = "red";
|
|
ctx.fillStyle = "red";
|
|
ctx.lineWidth = 1;
|
|
|
|
if (pq !== null) {
|
|
iq = pq.insideContours;
|
|
} else {
|
|
iq = null;
|
|
}
|
|
|
|
while (pq !== null) {
|
|
if (iq !== null) {
|
|
q = iq;
|
|
iq = iq.nextpeer;
|
|
} else {
|
|
q = pq;
|
|
pq = pq.nextpeer;
|
|
if (pq !== null) {
|
|
iq = pq.insideContours;
|
|
} else {
|
|
iq = null;
|
|
}
|
|
}
|
|
|
|
switch (q.dir) {
|
|
case Rasterizer.CONTOUR_DIR.CW_DIR:
|
|
ctx.strokeStyle = "red";
|
|
break;
|
|
case Rasterizer.CONTOUR_DIR.CCW_DIR:
|
|
ctx.strokeStyle = "blue";
|
|
break;
|
|
case Rasterizer.CONTOUR_DIR.UNKNOWN_DIR:
|
|
ctx.strokeStyle = "green";
|
|
break;
|
|
}
|
|
|
|
p = q.firstVertex;
|
|
ctx.beginPath();
|
|
ctx.moveTo(p.x, p.y);
|
|
do {
|
|
p = p.next;
|
|
ctx.lineTo(p.x, p.y);
|
|
} while (p !== q.firstVertex);
|
|
ctx.stroke();
|
|
}
|
|
}
|
|
}
|
|
};
|
|
}
|
|
};
|
|
|
|
exports["default"] = Rasterizer;
|
|
module.exports = exports["default"];
|
|
|
|
/***/ },
|
|
/* 20 */
|
|
/***/ function(module, exports) {
|
|
|
|
/**
|
|
* http://www.codeproject.com/Tips/407172/Connected-Component-Labeling-and-Vectorization
|
|
*/
|
|
"use strict";
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
var Tracer = {
|
|
searchDirections: [[0, 1], [1, 1], [1, 0], [1, -1], [0, -1], [-1, -1], [-1, 0], [-1, 1]],
|
|
create: function create(imageWrapper, labelWrapper) {
|
|
var imageData = imageWrapper.data,
|
|
labelData = labelWrapper.data,
|
|
searchDirections = this.searchDirections,
|
|
width = imageWrapper.size.x,
|
|
pos;
|
|
|
|
function _trace(current, color, label, edgelabel) {
|
|
var i, y, x;
|
|
|
|
for (i = 0; i < 7; i++) {
|
|
y = current.cy + searchDirections[current.dir][0];
|
|
x = current.cx + searchDirections[current.dir][1];
|
|
pos = y * width + x;
|
|
if (imageData[pos] === color && (labelData[pos] === 0 || labelData[pos] === label)) {
|
|
labelData[pos] = label;
|
|
current.cy = y;
|
|
current.cx = x;
|
|
return true;
|
|
} else {
|
|
if (labelData[pos] === 0) {
|
|
labelData[pos] = edgelabel;
|
|
}
|
|
current.dir = (current.dir + 1) % 8;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
function vertex2D(x, y, dir) {
|
|
return {
|
|
dir: dir,
|
|
x: x,
|
|
y: y,
|
|
next: null,
|
|
prev: null
|
|
};
|
|
}
|
|
|
|
function _contourTracing(sy, sx, label, color, edgelabel) {
|
|
var Fv = null,
|
|
Cv,
|
|
P,
|
|
ldir,
|
|
current = {
|
|
cx: sx,
|
|
cy: sy,
|
|
dir: 0
|
|
};
|
|
|
|
if (_trace(current, color, label, edgelabel)) {
|
|
Fv = vertex2D(sx, sy, current.dir);
|
|
Cv = Fv;
|
|
ldir = current.dir;
|
|
P = vertex2D(current.cx, current.cy, 0);
|
|
P.prev = Cv;
|
|
Cv.next = P;
|
|
P.next = null;
|
|
Cv = P;
|
|
do {
|
|
current.dir = (current.dir + 6) % 8;
|
|
_trace(current, color, label, edgelabel);
|
|
if (ldir !== current.dir) {
|
|
Cv.dir = current.dir;
|
|
P = vertex2D(current.cx, current.cy, 0);
|
|
P.prev = Cv;
|
|
Cv.next = P;
|
|
P.next = null;
|
|
Cv = P;
|
|
} else {
|
|
Cv.dir = ldir;
|
|
Cv.x = current.cx;
|
|
Cv.y = current.cy;
|
|
}
|
|
ldir = current.dir;
|
|
} while (current.cx !== sx || current.cy !== sy);
|
|
Fv.prev = Cv.prev;
|
|
Cv.prev.next = Fv;
|
|
}
|
|
return Fv;
|
|
}
|
|
|
|
return {
|
|
trace: function trace(current, color, label, edgelabel) {
|
|
return _trace(current, color, label, edgelabel);
|
|
},
|
|
contourTracing: function contourTracing(sy, sx, label, color, edgelabel) {
|
|
return _contourTracing(sy, sx, label, color, edgelabel);
|
|
}
|
|
};
|
|
}
|
|
};
|
|
|
|
exports["default"] = Tracer;
|
|
module.exports = exports["default"];
|
|
|
|
/***/ },
|
|
/* 21 */
|
|
/***/ function(module, exports) {
|
|
|
|
/* @preserve ASM BEGIN */
|
|
/* eslint-disable eqeqeq*/
|
|
"use strict";
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
function Skeletonizer(stdlib, foreign, buffer) {
|
|
"use asm";
|
|
|
|
var images = new stdlib.Uint8Array(buffer),
|
|
size = foreign.size | 0,
|
|
imul = stdlib.Math.imul;
|
|
|
|
function erode(inImagePtr, outImagePtr) {
|
|
inImagePtr = inImagePtr | 0;
|
|
outImagePtr = outImagePtr | 0;
|
|
|
|
var v = 0,
|
|
u = 0,
|
|
sum = 0,
|
|
yStart1 = 0,
|
|
yStart2 = 0,
|
|
xStart1 = 0,
|
|
xStart2 = 0,
|
|
offset = 0;
|
|
|
|
for (v = 1; (v | 0) < (size - 1 | 0); v = v + 1 | 0) {
|
|
offset = offset + size | 0;
|
|
for (u = 1; (u | 0) < (size - 1 | 0); u = u + 1 | 0) {
|
|
yStart1 = offset - size | 0;
|
|
yStart2 = offset + size | 0;
|
|
xStart1 = u - 1 | 0;
|
|
xStart2 = u + 1 | 0;
|
|
sum = (images[inImagePtr + yStart1 + xStart1 | 0] | 0) + (images[inImagePtr + yStart1 + xStart2 | 0] | 0) + (images[inImagePtr + offset + u | 0] | 0) + (images[inImagePtr + yStart2 + xStart1 | 0] | 0) + (images[inImagePtr + yStart2 + xStart2 | 0] | 0) | 0;
|
|
if ((sum | 0) == (5 | 0)) {
|
|
images[outImagePtr + offset + u | 0] = 1;
|
|
} else {
|
|
images[outImagePtr + offset + u | 0] = 0;
|
|
}
|
|
}
|
|
}
|
|
return;
|
|
}
|
|
|
|
function subtract(aImagePtr, bImagePtr, outImagePtr) {
|
|
aImagePtr = aImagePtr | 0;
|
|
bImagePtr = bImagePtr | 0;
|
|
outImagePtr = outImagePtr | 0;
|
|
|
|
var length = 0;
|
|
|
|
length = imul(size, size) | 0;
|
|
|
|
while ((length | 0) > 0) {
|
|
length = length - 1 | 0;
|
|
images[outImagePtr + length | 0] = (images[aImagePtr + length | 0] | 0) - (images[bImagePtr + length | 0] | 0) | 0;
|
|
}
|
|
}
|
|
|
|
function bitwiseOr(aImagePtr, bImagePtr, outImagePtr) {
|
|
aImagePtr = aImagePtr | 0;
|
|
bImagePtr = bImagePtr | 0;
|
|
outImagePtr = outImagePtr | 0;
|
|
|
|
var length = 0;
|
|
|
|
length = imul(size, size) | 0;
|
|
|
|
while ((length | 0) > 0) {
|
|
length = length - 1 | 0;
|
|
images[outImagePtr + length | 0] = images[aImagePtr + length | 0] | 0 | (images[bImagePtr + length | 0] | 0) | 0;
|
|
}
|
|
}
|
|
|
|
function countNonZero(imagePtr) {
|
|
imagePtr = imagePtr | 0;
|
|
|
|
var sum = 0,
|
|
length = 0;
|
|
|
|
length = imul(size, size) | 0;
|
|
|
|
while ((length | 0) > 0) {
|
|
length = length - 1 | 0;
|
|
sum = (sum | 0) + (images[imagePtr + length | 0] | 0) | 0;
|
|
}
|
|
|
|
return sum | 0;
|
|
}
|
|
|
|
function init(imagePtr, value) {
|
|
imagePtr = imagePtr | 0;
|
|
value = value | 0;
|
|
|
|
var length = 0;
|
|
|
|
length = imul(size, size) | 0;
|
|
|
|
while ((length | 0) > 0) {
|
|
length = length - 1 | 0;
|
|
images[imagePtr + length | 0] = value;
|
|
}
|
|
}
|
|
|
|
function dilate(inImagePtr, outImagePtr) {
|
|
inImagePtr = inImagePtr | 0;
|
|
outImagePtr = outImagePtr | 0;
|
|
|
|
var v = 0,
|
|
u = 0,
|
|
sum = 0,
|
|
yStart1 = 0,
|
|
yStart2 = 0,
|
|
xStart1 = 0,
|
|
xStart2 = 0,
|
|
offset = 0;
|
|
|
|
for (v = 1; (v | 0) < (size - 1 | 0); v = v + 1 | 0) {
|
|
offset = offset + size | 0;
|
|
for (u = 1; (u | 0) < (size - 1 | 0); u = u + 1 | 0) {
|
|
yStart1 = offset - size | 0;
|
|
yStart2 = offset + size | 0;
|
|
xStart1 = u - 1 | 0;
|
|
xStart2 = u + 1 | 0;
|
|
sum = (images[inImagePtr + yStart1 + xStart1 | 0] | 0) + (images[inImagePtr + yStart1 + xStart2 | 0] | 0) + (images[inImagePtr + offset + u | 0] | 0) + (images[inImagePtr + yStart2 + xStart1 | 0] | 0) + (images[inImagePtr + yStart2 + xStart2 | 0] | 0) | 0;
|
|
if ((sum | 0) > (0 | 0)) {
|
|
images[outImagePtr + offset + u | 0] = 1;
|
|
} else {
|
|
images[outImagePtr + offset + u | 0] = 0;
|
|
}
|
|
}
|
|
}
|
|
return;
|
|
}
|
|
|
|
function memcpy(srcImagePtr, dstImagePtr) {
|
|
srcImagePtr = srcImagePtr | 0;
|
|
dstImagePtr = dstImagePtr | 0;
|
|
|
|
var length = 0;
|
|
|
|
length = imul(size, size) | 0;
|
|
|
|
while ((length | 0) > 0) {
|
|
length = length - 1 | 0;
|
|
images[dstImagePtr + length | 0] = images[srcImagePtr + length | 0] | 0;
|
|
}
|
|
}
|
|
|
|
function zeroBorder(imagePtr) {
|
|
imagePtr = imagePtr | 0;
|
|
|
|
var x = 0,
|
|
y = 0;
|
|
|
|
for (x = 0; (x | 0) < (size - 1 | 0); x = x + 1 | 0) {
|
|
images[imagePtr + x | 0] = 0;
|
|
images[imagePtr + y | 0] = 0;
|
|
y = y + size - 1 | 0;
|
|
images[imagePtr + y | 0] = 0;
|
|
y = y + 1 | 0;
|
|
}
|
|
for (x = 0; (x | 0) < (size | 0); x = x + 1 | 0) {
|
|
images[imagePtr + y | 0] = 0;
|
|
y = y + 1 | 0;
|
|
}
|
|
}
|
|
|
|
function skeletonize() {
|
|
var subImagePtr = 0,
|
|
erodedImagePtr = 0,
|
|
tempImagePtr = 0,
|
|
skelImagePtr = 0,
|
|
sum = 0,
|
|
done = 0;
|
|
|
|
erodedImagePtr = imul(size, size) | 0;
|
|
tempImagePtr = erodedImagePtr + erodedImagePtr | 0;
|
|
skelImagePtr = tempImagePtr + erodedImagePtr | 0;
|
|
|
|
// init skel-image
|
|
init(skelImagePtr, 0);
|
|
zeroBorder(subImagePtr);
|
|
|
|
do {
|
|
erode(subImagePtr, erodedImagePtr);
|
|
dilate(erodedImagePtr, tempImagePtr);
|
|
subtract(subImagePtr, tempImagePtr, tempImagePtr);
|
|
bitwiseOr(skelImagePtr, tempImagePtr, skelImagePtr);
|
|
memcpy(erodedImagePtr, subImagePtr);
|
|
sum = countNonZero(subImagePtr) | 0;
|
|
done = (sum | 0) == 0 | 0;
|
|
} while (!done);
|
|
}
|
|
|
|
return {
|
|
skeletonize: skeletonize
|
|
};
|
|
}
|
|
|
|
exports["default"] = Skeletonizer;
|
|
|
|
/* eslint-enable eqeqeq*/
|
|
/* @preserve ASM END */
|
|
module.exports = exports["default"];
|
|
|
|
/***/ },
|
|
/* 22 */
|
|
/***/ function(module, exports) {
|
|
|
|
"use strict";
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
exports["default"] = {
|
|
drawRect: function drawRect(pos, size, ctx, style) {
|
|
ctx.strokeStyle = style.color;
|
|
ctx.fillStyle = style.color;
|
|
ctx.lineWidth = 1;
|
|
ctx.beginPath();
|
|
ctx.strokeRect(pos.x, pos.y, size.x, size.y);
|
|
},
|
|
drawPath: function drawPath(path, def, ctx, style) {
|
|
ctx.strokeStyle = style.color;
|
|
ctx.fillStyle = style.color;
|
|
ctx.lineWidth = style.lineWidth;
|
|
ctx.beginPath();
|
|
ctx.moveTo(path[0][def.x], path[0][def.y]);
|
|
for (var j = 1; j < path.length; j++) {
|
|
ctx.lineTo(path[j][def.x], path[j][def.y]);
|
|
}
|
|
ctx.closePath();
|
|
ctx.stroke();
|
|
},
|
|
drawImage: function drawImage(imageData, size, ctx) {
|
|
var canvasData = ctx.getImageData(0, 0, size.x, size.y),
|
|
data = canvasData.data,
|
|
imageDataPos = imageData.length,
|
|
canvasDataPos = data.length,
|
|
value;
|
|
|
|
if (canvasDataPos / imageDataPos !== 4) {
|
|
return false;
|
|
}
|
|
while (imageDataPos--) {
|
|
value = imageData[imageDataPos];
|
|
data[--canvasDataPos] = 255;
|
|
data[--canvasDataPos] = value;
|
|
data[--canvasDataPos] = value;
|
|
data[--canvasDataPos] = value;
|
|
}
|
|
ctx.putImageData(canvasData, 0, 0);
|
|
return true;
|
|
}
|
|
};
|
|
module.exports = exports["default"];
|
|
|
|
/***/ },
|
|
/* 23 */
|
|
/***/ function(module, exports, __webpack_require__) {
|
|
|
|
'use strict';
|
|
|
|
Object.defineProperty(exports, '__esModule', {
|
|
value: true
|
|
});
|
|
|
|
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }
|
|
|
|
var _bresenham = __webpack_require__(24);
|
|
|
|
var _bresenham2 = _interopRequireDefault(_bresenham);
|
|
|
|
var _image_debug = __webpack_require__(22);
|
|
|
|
var _image_debug2 = _interopRequireDefault(_image_debug);
|
|
|
|
var _code_128_reader = __webpack_require__(25);
|
|
|
|
var _code_128_reader2 = _interopRequireDefault(_code_128_reader);
|
|
|
|
var _ean_reader = __webpack_require__(27);
|
|
|
|
var _ean_reader2 = _interopRequireDefault(_ean_reader);
|
|
|
|
var _code_39_reader = __webpack_require__(28);
|
|
|
|
var _code_39_reader2 = _interopRequireDefault(_code_39_reader);
|
|
|
|
var _code_39_vin_reader = __webpack_require__(29);
|
|
|
|
var _code_39_vin_reader2 = _interopRequireDefault(_code_39_vin_reader);
|
|
|
|
var _codabar_reader = __webpack_require__(30);
|
|
|
|
var _codabar_reader2 = _interopRequireDefault(_codabar_reader);
|
|
|
|
var _upc_reader = __webpack_require__(31);
|
|
|
|
var _upc_reader2 = _interopRequireDefault(_upc_reader);
|
|
|
|
var _ean_8_reader = __webpack_require__(32);
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|
|
|
var _ean_8_reader2 = _interopRequireDefault(_ean_8_reader);
|
|
|
|
var _upc_e_reader = __webpack_require__(33);
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|
|
|
var _upc_e_reader2 = _interopRequireDefault(_upc_e_reader);
|
|
|
|
var _i2of5_reader = __webpack_require__(34);
|
|
|
|
var _i2of5_reader2 = _interopRequireDefault(_i2of5_reader);
|
|
|
|
var READERS = {
|
|
code_128_reader: _code_128_reader2['default'],
|
|
ean_reader: _ean_reader2['default'],
|
|
ean_8_reader: _ean_8_reader2['default'],
|
|
code_39_reader: _code_39_reader2['default'],
|
|
code_39_vin_reader: _code_39_vin_reader2['default'],
|
|
codabar_reader: _codabar_reader2['default'],
|
|
upc_reader: _upc_reader2['default'],
|
|
upc_e_reader: _upc_e_reader2['default'],
|
|
i2of5_reader: _i2of5_reader2['default']
|
|
};
|
|
exports['default'] = {
|
|
create: function create(config, inputImageWrapper) {
|
|
var _canvas = {
|
|
ctx: {
|
|
frequency: null,
|
|
pattern: null,
|
|
overlay: null
|
|
},
|
|
dom: {
|
|
frequency: null,
|
|
pattern: null,
|
|
overlay: null
|
|
}
|
|
},
|
|
_barcodeReaders = [];
|
|
|
|
initCanvas();
|
|
initReaders();
|
|
initConfig();
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|
|
|
function initCanvas() {
|
|
if (typeof document !== 'undefined') {
|
|
var $debug = document.querySelector("#debug.detection");
|
|
_canvas.dom.frequency = document.querySelector("canvas.frequency");
|
|
if (!_canvas.dom.frequency) {
|
|
_canvas.dom.frequency = document.createElement("canvas");
|
|
_canvas.dom.frequency.className = "frequency";
|
|
if ($debug) {
|
|
$debug.appendChild(_canvas.dom.frequency);
|
|
}
|
|
}
|
|
_canvas.ctx.frequency = _canvas.dom.frequency.getContext("2d");
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|
|
|
_canvas.dom.pattern = document.querySelector("canvas.patternBuffer");
|
|
if (!_canvas.dom.pattern) {
|
|
_canvas.dom.pattern = document.createElement("canvas");
|
|
_canvas.dom.pattern.className = "patternBuffer";
|
|
if ($debug) {
|
|
$debug.appendChild(_canvas.dom.pattern);
|
|
}
|
|
}
|
|
_canvas.ctx.pattern = _canvas.dom.pattern.getContext("2d");
|
|
|
|
_canvas.dom.overlay = document.querySelector("canvas.drawingBuffer");
|
|
if (_canvas.dom.overlay) {
|
|
_canvas.ctx.overlay = _canvas.dom.overlay.getContext("2d");
|
|
}
|
|
}
|
|
}
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|
|
|
function initReaders() {
|
|
config.readers.forEach(function (readerConfig) {
|
|
var reader,
|
|
configuration = {};
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|
|
|
if (typeof readerConfig === 'object') {
|
|
reader = readerConfig.format;
|
|
configuration = readerConfig.config;
|
|
} else if (typeof readerConfig === 'string') {
|
|
reader = readerConfig;
|
|
}
|
|
console.log("Before registering reader: ", reader);
|
|
_barcodeReaders.push(new READERS[reader](configuration));
|
|
});
|
|
console.log("Registered Readers: " + _barcodeReaders.map(function (reader) {
|
|
return JSON.stringify({ format: reader.FORMAT, config: reader.config });
|
|
}).join(', '));
|
|
}
|
|
|
|
function initConfig() {
|
|
if (typeof document !== 'undefined') {
|
|
var i,
|
|
vis = [{
|
|
node: _canvas.dom.frequency,
|
|
prop: config.showFrequency
|
|
}, {
|
|
node: _canvas.dom.pattern,
|
|
prop: config.showPattern
|
|
}];
|
|
|
|
for (i = 0; i < vis.length; i++) {
|
|
if (vis[i].prop === true) {
|
|
vis[i].node.style.display = "block";
|
|
} else {
|
|
vis[i].node.style.display = "none";
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* extend the line on both ends
|
|
* @param {Array} line
|
|
* @param {Number} angle
|
|
*/
|
|
function getExtendedLine(line, angle, ext) {
|
|
function extendLine(amount) {
|
|
var extension = {
|
|
y: amount * Math.sin(angle),
|
|
x: amount * Math.cos(angle)
|
|
};
|
|
|
|
line[0].y -= extension.y;
|
|
line[0].x -= extension.x;
|
|
line[1].y += extension.y;
|
|
line[1].x += extension.x;
|
|
}
|
|
|
|
// check if inside image
|
|
extendLine(ext);
|
|
while (ext > 1 && (!inputImageWrapper.inImageWithBorder(line[0], 0) || !inputImageWrapper.inImageWithBorder(line[1], 0))) {
|
|
ext -= Math.ceil(ext / 2);
|
|
extendLine(-ext);
|
|
}
|
|
return line;
|
|
}
|
|
|
|
function getLine(box) {
|
|
return [{
|
|
x: (box[1][0] - box[0][0]) / 2 + box[0][0],
|
|
y: (box[1][1] - box[0][1]) / 2 + box[0][1]
|
|
}, {
|
|
x: (box[3][0] - box[2][0]) / 2 + box[2][0],
|
|
y: (box[3][1] - box[2][1]) / 2 + box[2][1]
|
|
}];
|
|
}
|
|
|
|
function tryDecode(line) {
|
|
var result = null,
|
|
i,
|
|
barcodeLine = _bresenham2['default'].getBarcodeLine(inputImageWrapper, line[0], line[1]);
|
|
|
|
if (config.showFrequency) {
|
|
_image_debug2['default'].drawPath(line, { x: 'x', y: 'y' }, _canvas.ctx.overlay, { color: 'red', lineWidth: 3 });
|
|
_bresenham2['default'].debug.printFrequency(barcodeLine.line, _canvas.dom.frequency);
|
|
}
|
|
_bresenham2['default'].toBinaryLine(barcodeLine);
|
|
if (config.showPattern) {
|
|
_bresenham2['default'].debug.printPattern(barcodeLine.line, _canvas.dom.pattern);
|
|
}
|
|
|
|
for (i = 0; i < _barcodeReaders.length && result === null; i++) {
|
|
result = _barcodeReaders[i].decodePattern(barcodeLine.line);
|
|
}
|
|
if (result === null) {
|
|
return null;
|
|
}
|
|
return {
|
|
codeResult: result,
|
|
barcodeLine: barcodeLine
|
|
};
|
|
}
|
|
|
|
/**
|
|
* This method slices the given area apart and tries to detect a barcode-pattern
|
|
* for each slice. It returns the decoded barcode, or null if nothing was found
|
|
* @param {Array} box
|
|
* @param {Array} line
|
|
* @param {Number} lineAngle
|
|
*/
|
|
function tryDecodeBruteForce(box, line, lineAngle) {
|
|
var sideLength = Math.sqrt(Math.pow(box[1][0] - box[0][0], 2) + Math.pow(box[1][1] - box[0][1], 2)),
|
|
i,
|
|
slices = 16,
|
|
result = null,
|
|
dir,
|
|
extension,
|
|
xdir = Math.sin(lineAngle),
|
|
ydir = Math.cos(lineAngle);
|
|
|
|
for (i = 1; i < slices && result === null; i++) {
|
|
// move line perpendicular to angle
|
|
dir = sideLength / slices * i * (i % 2 === 0 ? -1 : 1);
|
|
extension = {
|
|
y: dir * xdir,
|
|
x: dir * ydir
|
|
};
|
|
line[0].y += extension.x;
|
|
line[0].x -= extension.y;
|
|
line[1].y += extension.x;
|
|
line[1].x -= extension.y;
|
|
|
|
result = tryDecode(line);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
function getLineLength(line) {
|
|
return Math.sqrt(Math.pow(Math.abs(line[1].y - line[0].y), 2) + Math.pow(Math.abs(line[1].x - line[0].x), 2));
|
|
}
|
|
|
|
/**
|
|
* With the help of the configured readers (Code128 or EAN) this function tries to detect a
|
|
* valid barcode pattern within the given area.
|
|
* @param {Object} box The area to search in
|
|
* @returns {Object} the result {codeResult, line, angle, pattern, threshold}
|
|
*/
|
|
function _decodeFromBoundingBox(box) {
|
|
var line,
|
|
lineAngle,
|
|
ctx = _canvas.ctx.overlay,
|
|
result,
|
|
lineLength;
|
|
|
|
if (config.drawBoundingBox && ctx) {
|
|
_image_debug2['default'].drawPath(box, { x: 0, y: 1 }, ctx, { color: "blue", lineWidth: 2 });
|
|
}
|
|
|
|
line = getLine(box);
|
|
lineLength = getLineLength(line);
|
|
lineAngle = Math.atan2(line[1].y - line[0].y, line[1].x - line[0].x);
|
|
line = getExtendedLine(line, lineAngle, Math.floor(lineLength * 0.1));
|
|
if (line === null) {
|
|
return null;
|
|
}
|
|
|
|
result = tryDecode(line);
|
|
if (result === null) {
|
|
result = tryDecodeBruteForce(box, line, lineAngle);
|
|
}
|
|
|
|
if (result === null) {
|
|
return null;
|
|
}
|
|
|
|
if (result && config.drawScanline && ctx) {
|
|
_image_debug2['default'].drawPath(line, { x: 'x', y: 'y' }, ctx, { color: 'red', lineWidth: 3 });
|
|
}
|
|
|
|
return {
|
|
codeResult: result.codeResult,
|
|
line: line,
|
|
angle: lineAngle,
|
|
pattern: result.barcodeLine.line,
|
|
threshold: result.barcodeLine.threshold
|
|
};
|
|
}
|
|
|
|
return {
|
|
decodeFromBoundingBox: function decodeFromBoundingBox(box) {
|
|
return _decodeFromBoundingBox(box);
|
|
},
|
|
decodeFromBoundingBoxes: function decodeFromBoundingBoxes(boxes) {
|
|
var i, result;
|
|
for (i = 0; i < boxes.length; i++) {
|
|
result = _decodeFromBoundingBox(boxes[i]);
|
|
if (result && result.codeResult) {
|
|
result.box = boxes[i];
|
|
return result;
|
|
}
|
|
}
|
|
},
|
|
setReaders: function setReaders(readers) {
|
|
config.readers = readers;
|
|
_barcodeReaders.length = 0;
|
|
initReaders();
|
|
}
|
|
};
|
|
}
|
|
};
|
|
module.exports = exports['default'];
|
|
|
|
/***/ },
|
|
/* 24 */
|
|
/***/ function(module, exports, __webpack_require__) {
|
|
|
|
'use strict';
|
|
|
|
Object.defineProperty(exports, '__esModule', {
|
|
value: true
|
|
});
|
|
|
|
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }
|
|
|
|
var _cv_utils = __webpack_require__(5);
|
|
|
|
var _cv_utils2 = _interopRequireDefault(_cv_utils);
|
|
|
|
var _image_wrapper = __webpack_require__(3);
|
|
|
|
var _image_wrapper2 = _interopRequireDefault(_image_wrapper);
|
|
|
|
var Bresenham = {};
|
|
|
|
var Slope = {
|
|
DIR: {
|
|
UP: 1,
|
|
DOWN: -1
|
|
}
|
|
};
|
|
/**
|
|
* Scans a line of the given image from point p1 to p2 and returns a result object containing
|
|
* gray-scale values (0-255) of the underlying pixels in addition to the min
|
|
* and max values.
|
|
* @param {Object} imageWrapper
|
|
* @param {Object} p1 The start point {x,y}
|
|
* @param {Object} p2 The end point {x,y}
|
|
* @returns {line, min, max}
|
|
*/
|
|
Bresenham.getBarcodeLine = function (imageWrapper, p1, p2) {
|
|
var x0 = p1.x | 0,
|
|
y0 = p1.y | 0,
|
|
x1 = p2.x | 0,
|
|
y1 = p2.y | 0,
|
|
steep = Math.abs(y1 - y0) > Math.abs(x1 - x0),
|
|
deltax,
|
|
deltay,
|
|
error,
|
|
ystep,
|
|
y,
|
|
tmp,
|
|
x,
|
|
line = [],
|
|
imageData = imageWrapper.data,
|
|
width = imageWrapper.size.x,
|
|
sum = 0,
|
|
val,
|
|
min = 255,
|
|
max = 0;
|
|
|
|
function read(a, b) {
|
|
val = imageData[b * width + a];
|
|
sum += val;
|
|
min = val < min ? val : min;
|
|
max = val > max ? val : max;
|
|
line.push(val);
|
|
}
|
|
|
|
if (steep) {
|
|
tmp = x0;
|
|
x0 = y0;
|
|
y0 = tmp;
|
|
|
|
tmp = x1;
|
|
x1 = y1;
|
|
y1 = tmp;
|
|
}
|
|
if (x0 > x1) {
|
|
tmp = x0;
|
|
x0 = x1;
|
|
x1 = tmp;
|
|
|
|
tmp = y0;
|
|
y0 = y1;
|
|
y1 = tmp;
|
|
}
|
|
deltax = x1 - x0;
|
|
deltay = Math.abs(y1 - y0);
|
|
error = deltax / 2 | 0;
|
|
y = y0;
|
|
ystep = y0 < y1 ? 1 : -1;
|
|
for (x = x0; x < x1; x++) {
|
|
if (steep) {
|
|
read(y, x);
|
|
} else {
|
|
read(x, y);
|
|
}
|
|
error = error - deltay;
|
|
if (error < 0) {
|
|
y = y + ystep;
|
|
error = error + deltax;
|
|
}
|
|
}
|
|
|
|
return {
|
|
line: line,
|
|
min: min,
|
|
max: max
|
|
};
|
|
};
|
|
|
|
Bresenham.toOtsuBinaryLine = function (result) {
|
|
var line = result.line,
|
|
image = new _image_wrapper2['default']({ x: line.length - 1, y: 1 }, line),
|
|
threshold = _cv_utils2['default'].determineOtsuThreshold(image, 5);
|
|
|
|
line = _cv_utils2['default'].sharpenLine(line);
|
|
_cv_utils2['default'].thresholdImage(image, threshold);
|
|
|
|
return {
|
|
line: line,
|
|
threshold: threshold
|
|
};
|
|
};
|
|
|
|
/**
|
|
* Converts the result from getBarcodeLine into a binary representation
|
|
* also considering the frequency and slope of the signal for more robust results
|
|
* @param {Object} result {line, min, max}
|
|
*/
|
|
Bresenham.toBinaryLine = function (result) {
|
|
var min = result.min,
|
|
max = result.max,
|
|
line = result.line,
|
|
slope,
|
|
slope2,
|
|
center = min + (max - min) / 2,
|
|
extrema = [],
|
|
currentDir,
|
|
dir,
|
|
threshold = (max - min) / 12,
|
|
rThreshold = -threshold,
|
|
i,
|
|
j;
|
|
|
|
// 1. find extrema
|
|
currentDir = line[0] > center ? Slope.DIR.UP : Slope.DIR.DOWN;
|
|
extrema.push({
|
|
pos: 0,
|
|
val: line[0]
|
|
});
|
|
for (i = 0; i < line.length - 2; i++) {
|
|
slope = line[i + 1] - line[i];
|
|
slope2 = line[i + 2] - line[i + 1];
|
|
if (slope + slope2 < rThreshold && line[i + 1] < center * 1.5) {
|
|
dir = Slope.DIR.DOWN;
|
|
} else if (slope + slope2 > threshold && line[i + 1] > center * 0.5) {
|
|
dir = Slope.DIR.UP;
|
|
} else {
|
|
dir = currentDir;
|
|
}
|
|
|
|
if (currentDir !== dir) {
|
|
extrema.push({
|
|
pos: i,
|
|
val: line[i]
|
|
});
|
|
currentDir = dir;
|
|
}
|
|
}
|
|
extrema.push({
|
|
pos: line.length,
|
|
val: line[line.length - 1]
|
|
});
|
|
|
|
for (j = extrema[0].pos; j < extrema[1].pos; j++) {
|
|
line[j] = line[j] > center ? 0 : 1;
|
|
}
|
|
|
|
// iterate over extrema and convert to binary based on avg between minmax
|
|
for (i = 1; i < extrema.length - 1; i++) {
|
|
if (extrema[i + 1].val > extrema[i].val) {
|
|
threshold = extrema[i].val + (extrema[i + 1].val - extrema[i].val) / 3 * 2 | 0;
|
|
} else {
|
|
threshold = extrema[i + 1].val + (extrema[i].val - extrema[i + 1].val) / 3 | 0;
|
|
}
|
|
|
|
for (j = extrema[i].pos; j < extrema[i + 1].pos; j++) {
|
|
line[j] = line[j] > threshold ? 0 : 1;
|
|
}
|
|
}
|
|
|
|
return {
|
|
line: line,
|
|
threshold: threshold
|
|
};
|
|
};
|
|
|
|
/**
|
|
* Used for development only
|
|
*/
|
|
Bresenham.debug = {
|
|
printFrequency: function printFrequency(line, canvas) {
|
|
var i,
|
|
ctx = canvas.getContext("2d");
|
|
canvas.width = line.length;
|
|
canvas.height = 256;
|
|
|
|
ctx.beginPath();
|
|
ctx.strokeStyle = "blue";
|
|
for (i = 0; i < line.length; i++) {
|
|
ctx.moveTo(i, 255);
|
|
ctx.lineTo(i, 255 - line[i]);
|
|
}
|
|
ctx.stroke();
|
|
ctx.closePath();
|
|
},
|
|
|
|
printPattern: function printPattern(line, canvas) {
|
|
var ctx = canvas.getContext("2d"),
|
|
i;
|
|
|
|
canvas.width = line.length;
|
|
ctx.fillColor = "black";
|
|
for (i = 0; i < line.length; i++) {
|
|
if (line[i] === 1) {
|
|
ctx.fillRect(i, 0, 1, 100);
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
exports['default'] = Bresenham;
|
|
module.exports = exports['default'];
|
|
|
|
/***/ },
|
|
/* 25 */
|
|
/***/ function(module, exports, __webpack_require__) {
|
|
|
|
"use strict";
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
|
|
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
|
|
|
|
var _barcode_reader = __webpack_require__(26);
|
|
|
|
var _barcode_reader2 = _interopRequireDefault(_barcode_reader);
|
|
|
|
function Code128Reader() {
|
|
_barcode_reader2["default"].call(this);
|
|
}
|
|
|
|
var properties = {
|
|
CODE_SHIFT: { value: 98 },
|
|
CODE_C: { value: 99 },
|
|
CODE_B: { value: 100 },
|
|
CODE_A: { value: 101 },
|
|
START_CODE_A: { value: 103 },
|
|
START_CODE_B: { value: 104 },
|
|
START_CODE_C: { value: 105 },
|
|
STOP_CODE: { value: 106 },
|
|
MODULO: { value: 11 },
|
|
CODE_PATTERN: { value: [[2, 1, 2, 2, 2, 2], [2, 2, 2, 1, 2, 2], [2, 2, 2, 2, 2, 1], [1, 2, 1, 2, 2, 3], [1, 2, 1, 3, 2, 2], [1, 3, 1, 2, 2, 2], [1, 2, 2, 2, 1, 3], [1, 2, 2, 3, 1, 2], [1, 3, 2, 2, 1, 2], [2, 2, 1, 2, 1, 3], [2, 2, 1, 3, 1, 2], [2, 3, 1, 2, 1, 2], [1, 1, 2, 2, 3, 2], [1, 2, 2, 1, 3, 2], [1, 2, 2, 2, 3, 1], [1, 1, 3, 2, 2, 2], [1, 2, 3, 1, 2, 2], [1, 2, 3, 2, 2, 1], [2, 2, 3, 2, 1, 1], [2, 2, 1, 1, 3, 2], [2, 2, 1, 2, 3, 1], [2, 1, 3, 2, 1, 2], [2, 2, 3, 1, 1, 2], [3, 1, 2, 1, 3, 1], [3, 1, 1, 2, 2, 2], [3, 2, 1, 1, 2, 2], [3, 2, 1, 2, 2, 1], [3, 1, 2, 2, 1, 2], [3, 2, 2, 1, 1, 2], [3, 2, 2, 2, 1, 1], [2, 1, 2, 1, 2, 3], [2, 1, 2, 3, 2, 1], [2, 3, 2, 1, 2, 1], [1, 1, 1, 3, 2, 3], [1, 3, 1, 1, 2, 3], [1, 3, 1, 3, 2, 1], [1, 1, 2, 3, 1, 3], [1, 3, 2, 1, 1, 3], [1, 3, 2, 3, 1, 1], [2, 1, 1, 3, 1, 3], [2, 3, 1, 1, 1, 3], [2, 3, 1, 3, 1, 1], [1, 1, 2, 1, 3, 3], [1, 1, 2, 3, 3, 1], [1, 3, 2, 1, 3, 1], [1, 1, 3, 1, 2, 3], [1, 1, 3, 3, 2, 1], [1, 3, 3, 1, 2, 1], [3, 1, 3, 1, 2, 1], [2, 1, 1, 3, 3, 1], [2, 3, 1, 1, 3, 1], [2, 1, 3, 1, 1, 3], [2, 1, 3, 3, 1, 1], [2, 1, 3, 1, 3, 1], [3, 1, 1, 1, 2, 3], [3, 1, 1, 3, 2, 1], [3, 3, 1, 1, 2, 1], [3, 1, 2, 1, 1, 3], [3, 1, 2, 3, 1, 1], [3, 3, 2, 1, 1, 1], [3, 1, 4, 1, 1, 1], [2, 2, 1, 4, 1, 1], [4, 3, 1, 1, 1, 1], [1, 1, 1, 2, 2, 4], [1, 1, 1, 4, 2, 2], [1, 2, 1, 1, 2, 4], [1, 2, 1, 4, 2, 1], [1, 4, 1, 1, 2, 2], [1, 4, 1, 2, 2, 1], [1, 1, 2, 2, 1, 4], [1, 1, 2, 4, 1, 2], [1, 2, 2, 1, 1, 4], [1, 2, 2, 4, 1, 1], [1, 4, 2, 1, 1, 2], [1, 4, 2, 2, 1, 1], [2, 4, 1, 2, 1, 1], [2, 2, 1, 1, 1, 4], [4, 1, 3, 1, 1, 1], [2, 4, 1, 1, 1, 2], [1, 3, 4, 1, 1, 1], [1, 1, 1, 2, 4, 2], [1, 2, 1, 1, 4, 2], [1, 2, 1, 2, 4, 1], [1, 1, 4, 2, 1, 2], [1, 2, 4, 1, 1, 2], [1, 2, 4, 2, 1, 1], [4, 1, 1, 2, 1, 2], [4, 2, 1, 1, 1, 2], [4, 2, 1, 2, 1, 1], [2, 1, 2, 1, 4, 1], [2, 1, 4, 1, 2, 1], [4, 1, 2, 1, 2, 1], [1, 1, 1, 1, 4, 3], [1, 1, 1, 3, 4, 1], [1, 3, 1, 1, 4, 1], [1, 1, 4, 1, 1, 3], [1, 1, 4, 3, 1, 1], [4, 1, 1, 1, 1, 3], [4, 1, 1, 3, 1, 1], [1, 1, 3, 1, 4, 1], [1, 1, 4, 1, 3, 1], [3, 1, 1, 1, 4, 1], [4, 1, 1, 1, 3, 1], [2, 1, 1, 4, 1, 2], [2, 1, 1, 2, 1, 4], [2, 1, 1, 2, 3, 2], [2, 3, 3, 1, 1, 1, 2]] },
|
|
SINGLE_CODE_ERROR: { value: 1 },
|
|
AVG_CODE_ERROR: { value: 0.5 },
|
|
FORMAT: { value: "code_128", writeable: false }
|
|
};
|
|
|
|
Code128Reader.prototype = Object.create(_barcode_reader2["default"].prototype, properties);
|
|
Code128Reader.prototype.constructor = Code128Reader;
|
|
|
|
Code128Reader.prototype._decodeCode = function (start) {
|
|
var counter = [0, 0, 0, 0, 0, 0],
|
|
i,
|
|
self = this,
|
|
offset = start,
|
|
isWhite = !self._row[offset],
|
|
counterPos = 0,
|
|
bestMatch = {
|
|
error: Number.MAX_VALUE,
|
|
code: -1,
|
|
start: start,
|
|
end: start
|
|
},
|
|
code,
|
|
error,
|
|
normalized;
|
|
|
|
for (i = offset; i < self._row.length; i++) {
|
|
if (self._row[i] ^ isWhite) {
|
|
counter[counterPos]++;
|
|
} else {
|
|
if (counterPos === counter.length - 1) {
|
|
normalized = self._normalize(counter);
|
|
if (normalized) {
|
|
for (code = 0; code < self.CODE_PATTERN.length; code++) {
|
|
error = self._matchPattern(normalized, self.CODE_PATTERN[code]);
|
|
if (error < bestMatch.error) {
|
|
bestMatch.code = code;
|
|
bestMatch.error = error;
|
|
}
|
|
}
|
|
bestMatch.end = i;
|
|
return bestMatch;
|
|
}
|
|
} else {
|
|
counterPos++;
|
|
}
|
|
counter[counterPos] = 1;
|
|
isWhite = !isWhite;
|
|
}
|
|
}
|
|
return null;
|
|
};
|
|
|
|
Code128Reader.prototype._findStart = function () {
|
|
var counter = [0, 0, 0, 0, 0, 0],
|
|
i,
|
|
self = this,
|
|
offset = self._nextSet(self._row),
|
|
isWhite = false,
|
|
counterPos = 0,
|
|
bestMatch = {
|
|
error: Number.MAX_VALUE,
|
|
code: -1,
|
|
start: 0,
|
|
end: 0
|
|
},
|
|
code,
|
|
error,
|
|
j,
|
|
sum,
|
|
normalized;
|
|
|
|
for (i = offset; i < self._row.length; i++) {
|
|
if (self._row[i] ^ isWhite) {
|
|
counter[counterPos]++;
|
|
} else {
|
|
if (counterPos === counter.length - 1) {
|
|
sum = 0;
|
|
for (j = 0; j < counter.length; j++) {
|
|
sum += counter[j];
|
|
}
|
|
normalized = self._normalize(counter);
|
|
if (normalized) {
|
|
for (code = self.START_CODE_A; code <= self.START_CODE_C; code++) {
|
|
error = self._matchPattern(normalized, self.CODE_PATTERN[code]);
|
|
if (error < bestMatch.error) {
|
|
bestMatch.code = code;
|
|
bestMatch.error = error;
|
|
}
|
|
}
|
|
if (bestMatch.error < self.AVG_CODE_ERROR) {
|
|
bestMatch.start = i - sum;
|
|
bestMatch.end = i;
|
|
return bestMatch;
|
|
}
|
|
}
|
|
|
|
for (j = 0; j < 4; j++) {
|
|
counter[j] = counter[j + 2];
|
|
}
|
|
counter[4] = 0;
|
|
counter[5] = 0;
|
|
counterPos--;
|
|
} else {
|
|
counterPos++;
|
|
}
|
|
counter[counterPos] = 1;
|
|
isWhite = !isWhite;
|
|
}
|
|
}
|
|
return null;
|
|
};
|
|
|
|
Code128Reader.prototype._decode = function () {
|
|
var self = this,
|
|
startInfo = self._findStart(),
|
|
code = null,
|
|
done = false,
|
|
result = [],
|
|
multiplier = 0,
|
|
checksum = 0,
|
|
codeset,
|
|
rawResult = [],
|
|
decodedCodes = [],
|
|
shiftNext = false,
|
|
unshift;
|
|
|
|
if (startInfo === null) {
|
|
return null;
|
|
}
|
|
code = {
|
|
code: startInfo.code,
|
|
start: startInfo.start,
|
|
end: startInfo.end
|
|
};
|
|
decodedCodes.push(code);
|
|
checksum = code.code;
|
|
switch (code.code) {
|
|
case self.START_CODE_A:
|
|
codeset = self.CODE_A;
|
|
break;
|
|
case self.START_CODE_B:
|
|
codeset = self.CODE_B;
|
|
break;
|
|
case self.START_CODE_C:
|
|
codeset = self.CODE_C;
|
|
break;
|
|
default:
|
|
return null;
|
|
}
|
|
|
|
while (!done) {
|
|
unshift = shiftNext;
|
|
shiftNext = false;
|
|
code = self._decodeCode(code.end);
|
|
if (code !== null) {
|
|
if (code.code !== self.STOP_CODE) {
|
|
rawResult.push(code.code);
|
|
multiplier++;
|
|
checksum += multiplier * code.code;
|
|
}
|
|
decodedCodes.push(code);
|
|
|
|
switch (codeset) {
|
|
case self.CODE_A:
|
|
if (code.code < 64) {
|
|
result.push(String.fromCharCode(32 + code.code));
|
|
} else if (code.code < 96) {
|
|
result.push(String.fromCharCode(code.code - 64));
|
|
} else {
|
|
switch (code.code) {
|
|
case self.CODE_SHIFT:
|
|
shiftNext = true;
|
|
codeset = self.CODE_B;
|
|
break;
|
|
case self.CODE_B:
|
|
codeset = self.CODE_B;
|
|
break;
|
|
case self.CODE_C:
|
|
codeset = self.CODE_C;
|
|
break;
|
|
case self.STOP_CODE:
|
|
done = true;
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
case self.CODE_B:
|
|
if (code.code < 96) {
|
|
result.push(String.fromCharCode(32 + code.code));
|
|
} else {
|
|
switch (code.code) {
|
|
case self.CODE_SHIFT:
|
|
shiftNext = true;
|
|
codeset = self.CODE_A;
|
|
break;
|
|
case self.CODE_A:
|
|
codeset = self.CODE_A;
|
|
break;
|
|
case self.CODE_C:
|
|
codeset = self.CODE_C;
|
|
break;
|
|
case self.STOP_CODE:
|
|
done = true;
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
case self.CODE_C:
|
|
if (code.code < 100) {
|
|
result.push(code.code < 10 ? "0" + code.code : code.code);
|
|
}
|
|
switch (code.code) {
|
|
case self.CODE_A:
|
|
codeset = self.CODE_A;
|
|
break;
|
|
case self.CODE_B:
|
|
codeset = self.CODE_B;
|
|
break;
|
|
case self.STOP_CODE:
|
|
done = true;
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
} else {
|
|
done = true;
|
|
}
|
|
if (unshift) {
|
|
codeset = codeset === self.CODE_A ? self.CODE_B : self.CODE_A;
|
|
}
|
|
}
|
|
|
|
if (code === null) {
|
|
return null;
|
|
}
|
|
|
|
// find end bar
|
|
code.end = self._nextUnset(self._row, code.end);
|
|
if (!self._verifyTrailingWhitespace(code)) {
|
|
return null;
|
|
}
|
|
|
|
// checksum
|
|
// Does not work correctly yet!!! startcode - endcode?
|
|
checksum -= multiplier * rawResult[rawResult.length - 1];
|
|
if (checksum % 103 !== rawResult[rawResult.length - 1]) {
|
|
return null;
|
|
}
|
|
|
|
if (!result.length) {
|
|
return null;
|
|
}
|
|
|
|
// remove last code from result (checksum)
|
|
result.splice(result.length - 1, 1);
|
|
|
|
return {
|
|
code: result.join(""),
|
|
start: startInfo.start,
|
|
end: code.end,
|
|
codeset: codeset,
|
|
startInfo: startInfo,
|
|
decodedCodes: decodedCodes,
|
|
endInfo: code
|
|
};
|
|
};
|
|
|
|
_barcode_reader2["default"].prototype._verifyTrailingWhitespace = function (endInfo) {
|
|
var self = this,
|
|
trailingWhitespaceEnd;
|
|
|
|
trailingWhitespaceEnd = endInfo.end + (endInfo.end - endInfo.start) / 2;
|
|
if (trailingWhitespaceEnd < self._row.length) {
|
|
if (self._matchRange(endInfo.end, trailingWhitespaceEnd, 0)) {
|
|
return endInfo;
|
|
}
|
|
}
|
|
return null;
|
|
};
|
|
|
|
exports["default"] = Code128Reader;
|
|
module.exports = exports["default"];
|
|
|
|
/***/ },
|
|
/* 26 */
|
|
/***/ function(module, exports) {
|
|
|
|
'use strict';
|
|
|
|
Object.defineProperty(exports, '__esModule', {
|
|
value: true
|
|
});
|
|
function BarcodeReader(config) {
|
|
this._row = [];
|
|
this.config = config || {};
|
|
return this;
|
|
}
|
|
|
|
BarcodeReader.prototype._nextUnset = function (line, start) {
|
|
var i;
|
|
|
|
if (start === undefined) {
|
|
start = 0;
|
|
}
|
|
for (i = start; i < line.length; i++) {
|
|
if (!line[i]) {
|
|
return i;
|
|
}
|
|
}
|
|
return line.length;
|
|
};
|
|
|
|
BarcodeReader.prototype._matchPattern = function (counter, code) {
|
|
var i,
|
|
error = 0,
|
|
singleError = 0,
|
|
modulo = this.MODULO,
|
|
maxSingleError = this.SINGLE_CODE_ERROR || 1;
|
|
|
|
for (i = 0; i < counter.length; i++) {
|
|
singleError = Math.abs(code[i] - counter[i]);
|
|
if (singleError > maxSingleError) {
|
|
return Number.MAX_VALUE;
|
|
}
|
|
error += singleError;
|
|
}
|
|
return error / modulo;
|
|
};
|
|
|
|
BarcodeReader.prototype._nextSet = function (line, offset) {
|
|
var i;
|
|
|
|
offset = offset || 0;
|
|
for (i = offset; i < line.length; i++) {
|
|
if (line[i]) {
|
|
return i;
|
|
}
|
|
}
|
|
return line.length;
|
|
};
|
|
|
|
BarcodeReader.prototype._normalize = function (counter, modulo) {
|
|
var i,
|
|
self = this,
|
|
sum = 0,
|
|
ratio,
|
|
numOnes = 0,
|
|
normalized = [],
|
|
norm = 0;
|
|
|
|
if (!modulo) {
|
|
modulo = self.MODULO;
|
|
}
|
|
for (i = 0; i < counter.length; i++) {
|
|
if (counter[i] === 1) {
|
|
numOnes++;
|
|
} else {
|
|
sum += counter[i];
|
|
}
|
|
}
|
|
ratio = sum / (modulo - numOnes);
|
|
if (ratio > 1.0) {
|
|
for (i = 0; i < counter.length; i++) {
|
|
norm = counter[i] === 1 ? counter[i] : counter[i] / ratio;
|
|
normalized.push(norm);
|
|
}
|
|
} else {
|
|
ratio = (sum + numOnes) / modulo;
|
|
for (i = 0; i < counter.length; i++) {
|
|
norm = counter[i] / ratio;
|
|
normalized.push(norm);
|
|
}
|
|
}
|
|
return normalized;
|
|
};
|
|
|
|
BarcodeReader.prototype._matchTrace = function (cmpCounter, epsilon) {
|
|
var counter = [],
|
|
i,
|
|
self = this,
|
|
offset = self._nextSet(self._row),
|
|
isWhite = !self._row[offset],
|
|
counterPos = 0,
|
|
bestMatch = {
|
|
error: Number.MAX_VALUE,
|
|
code: -1,
|
|
start: 0
|
|
},
|
|
error;
|
|
|
|
if (cmpCounter) {
|
|
for (i = 0; i < cmpCounter.length; i++) {
|
|
counter.push(0);
|
|
}
|
|
for (i = offset; i < self._row.length; i++) {
|
|
if (self._row[i] ^ isWhite) {
|
|
counter[counterPos]++;
|
|
} else {
|
|
if (counterPos === counter.length - 1) {
|
|
error = self._matchPattern(counter, cmpCounter);
|
|
|
|
if (error < epsilon) {
|
|
bestMatch.start = i - offset;
|
|
bestMatch.end = i;
|
|
bestMatch.counter = counter;
|
|
return bestMatch;
|
|
} else {
|
|
return null;
|
|
}
|
|
} else {
|
|
counterPos++;
|
|
}
|
|
counter[counterPos] = 1;
|
|
isWhite = !isWhite;
|
|
}
|
|
}
|
|
} else {
|
|
counter.push(0);
|
|
for (i = offset; i < self._row.length; i++) {
|
|
if (self._row[i] ^ isWhite) {
|
|
counter[counterPos]++;
|
|
} else {
|
|
counterPos++;
|
|
counter.push(0);
|
|
counter[counterPos] = 1;
|
|
isWhite = !isWhite;
|
|
}
|
|
}
|
|
}
|
|
|
|
// if cmpCounter was not given
|
|
bestMatch.start = offset;
|
|
bestMatch.end = self._row.length - 1;
|
|
bestMatch.counter = counter;
|
|
return bestMatch;
|
|
};
|
|
|
|
BarcodeReader.prototype.decodePattern = function (pattern) {
|
|
var self = this,
|
|
result;
|
|
|
|
self._row = pattern;
|
|
result = self._decode();
|
|
if (result === null) {
|
|
self._row.reverse();
|
|
result = self._decode();
|
|
if (result) {
|
|
result.direction = BarcodeReader.DIRECTION.REVERSE;
|
|
result.start = self._row.length - result.start;
|
|
result.end = self._row.length - result.end;
|
|
}
|
|
} else {
|
|
result.direction = BarcodeReader.DIRECTION.FORWARD;
|
|
}
|
|
if (result) {
|
|
result.format = self.FORMAT;
|
|
}
|
|
return result;
|
|
};
|
|
|
|
BarcodeReader.prototype._matchRange = function (start, end, value) {
|
|
var i;
|
|
|
|
start = start < 0 ? 0 : start;
|
|
for (i = start; i < end; i++) {
|
|
if (this._row[i] !== value) {
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
};
|
|
|
|
BarcodeReader.prototype._fillCounters = function (offset, end, isWhite) {
|
|
var self = this,
|
|
counterPos = 0,
|
|
i,
|
|
counters = [];
|
|
|
|
isWhite = typeof isWhite !== 'undefined' ? isWhite : true;
|
|
offset = typeof offset !== 'undefined' ? offset : self._nextUnset(self._row);
|
|
end = end || self._row.length;
|
|
|
|
counters[counterPos] = 0;
|
|
for (i = offset; i < end; i++) {
|
|
if (self._row[i] ^ isWhite) {
|
|
counters[counterPos]++;
|
|
} else {
|
|
counterPos++;
|
|
counters[counterPos] = 1;
|
|
isWhite = !isWhite;
|
|
}
|
|
}
|
|
return counters;
|
|
};
|
|
|
|
Object.defineProperty(BarcodeReader.prototype, "FORMAT", {
|
|
value: 'unknown',
|
|
writeable: false
|
|
});
|
|
|
|
BarcodeReader.DIRECTION = {
|
|
FORWARD: 1,
|
|
REVERSE: -1
|
|
};
|
|
|
|
BarcodeReader.Exception = {
|
|
StartNotFoundException: "Start-Info was not found!",
|
|
CodeNotFoundException: "Code could not be found!",
|
|
PatternNotFoundException: "Pattern could not be found!"
|
|
};
|
|
|
|
BarcodeReader.CONFIG_KEYS = {};
|
|
|
|
exports['default'] = BarcodeReader;
|
|
module.exports = exports['default'];
|
|
|
|
/***/ },
|
|
/* 27 */
|
|
/***/ function(module, exports, __webpack_require__) {
|
|
|
|
"use strict";
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
|
|
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
|
|
|
|
var _barcode_reader = __webpack_require__(26);
|
|
|
|
var _barcode_reader2 = _interopRequireDefault(_barcode_reader);
|
|
|
|
function EANReader(opts) {
|
|
_barcode_reader2["default"].call(this, opts);
|
|
}
|
|
|
|
var properties = {
|
|
CODE_L_START: { value: 0 },
|
|
MODULO: { value: 7 },
|
|
CODE_G_START: { value: 10 },
|
|
START_PATTERN: { value: [1 / 3 * 7, 1 / 3 * 7, 1 / 3 * 7] },
|
|
STOP_PATTERN: { value: [1 / 3 * 7, 1 / 3 * 7, 1 / 3 * 7] },
|
|
MIDDLE_PATTERN: { value: [1 / 5 * 7, 1 / 5 * 7, 1 / 5 * 7, 1 / 5 * 7, 1 / 5 * 7] },
|
|
CODE_PATTERN: { value: [[3, 2, 1, 1], [2, 2, 2, 1], [2, 1, 2, 2], [1, 4, 1, 1], [1, 1, 3, 2], [1, 2, 3, 1], [1, 1, 1, 4], [1, 3, 1, 2], [1, 2, 1, 3], [3, 1, 1, 2], [1, 1, 2, 3], [1, 2, 2, 2], [2, 2, 1, 2], [1, 1, 4, 1], [2, 3, 1, 1], [1, 3, 2, 1], [4, 1, 1, 1], [2, 1, 3, 1], [3, 1, 2, 1], [2, 1, 1, 3]] },
|
|
CODE_FREQUENCY: { value: [0, 11, 13, 14, 19, 25, 28, 21, 22, 26] },
|
|
SINGLE_CODE_ERROR: { value: 0.67 },
|
|
AVG_CODE_ERROR: { value: 0.27 },
|
|
FORMAT: { value: "ean_13", writeable: false }
|
|
};
|
|
|
|
EANReader.prototype = Object.create(_barcode_reader2["default"].prototype, properties);
|
|
EANReader.prototype.constructor = EANReader;
|
|
|
|
EANReader.prototype._decodeCode = function (start, coderange) {
|
|
var counter = [0, 0, 0, 0],
|
|
i,
|
|
self = this,
|
|
offset = start,
|
|
isWhite = !self._row[offset],
|
|
counterPos = 0,
|
|
bestMatch = {
|
|
error: Number.MAX_VALUE,
|
|
code: -1,
|
|
start: start,
|
|
end: start
|
|
},
|
|
code,
|
|
error,
|
|
normalized;
|
|
|
|
if (!coderange) {
|
|
coderange = self.CODE_PATTERN.length;
|
|
}
|
|
|
|
for (i = offset; i < self._row.length; i++) {
|
|
if (self._row[i] ^ isWhite) {
|
|
counter[counterPos]++;
|
|
} else {
|
|
if (counterPos === counter.length - 1) {
|
|
normalized = self._normalize(counter);
|
|
if (normalized) {
|
|
for (code = 0; code < coderange; code++) {
|
|
error = self._matchPattern(normalized, self.CODE_PATTERN[code]);
|
|
if (error < bestMatch.error) {
|
|
bestMatch.code = code;
|
|
bestMatch.error = error;
|
|
}
|
|
}
|
|
bestMatch.end = i;
|
|
if (bestMatch.error > self.AVG_CODE_ERROR) {
|
|
return null;
|
|
}
|
|
return bestMatch;
|
|
}
|
|
} else {
|
|
counterPos++;
|
|
}
|
|
counter[counterPos] = 1;
|
|
isWhite = !isWhite;
|
|
}
|
|
}
|
|
return null;
|
|
};
|
|
|
|
EANReader.prototype._findPattern = function (pattern, offset, isWhite, tryHarder, epsilon) {
|
|
var counter = [],
|
|
self = this,
|
|
i,
|
|
counterPos = 0,
|
|
bestMatch = {
|
|
error: Number.MAX_VALUE,
|
|
code: -1,
|
|
start: 0,
|
|
end: 0
|
|
},
|
|
error,
|
|
j,
|
|
sum,
|
|
normalized;
|
|
|
|
if (!offset) {
|
|
offset = self._nextSet(self._row);
|
|
}
|
|
|
|
if (isWhite === undefined) {
|
|
isWhite = false;
|
|
}
|
|
|
|
if (tryHarder === undefined) {
|
|
tryHarder = true;
|
|
}
|
|
|
|
if (epsilon === undefined) {
|
|
epsilon = self.AVG_CODE_ERROR;
|
|
}
|
|
|
|
for (i = 0; i < pattern.length; i++) {
|
|
counter[i] = 0;
|
|
}
|
|
|
|
for (i = offset; i < self._row.length; i++) {
|
|
if (self._row[i] ^ isWhite) {
|
|
counter[counterPos]++;
|
|
} else {
|
|
if (counterPos === counter.length - 1) {
|
|
sum = 0;
|
|
for (j = 0; j < counter.length; j++) {
|
|
sum += counter[j];
|
|
}
|
|
normalized = self._normalize(counter);
|
|
if (normalized) {
|
|
error = self._matchPattern(normalized, pattern);
|
|
|
|
if (error < epsilon) {
|
|
bestMatch.error = error;
|
|
bestMatch.start = i - sum;
|
|
bestMatch.end = i;
|
|
return bestMatch;
|
|
}
|
|
}
|
|
if (tryHarder) {
|
|
for (j = 0; j < counter.length - 2; j++) {
|
|
counter[j] = counter[j + 2];
|
|
}
|
|
counter[counter.length - 2] = 0;
|
|
counter[counter.length - 1] = 0;
|
|
counterPos--;
|
|
} else {
|
|
return null;
|
|
}
|
|
} else {
|
|
counterPos++;
|
|
}
|
|
counter[counterPos] = 1;
|
|
isWhite = !isWhite;
|
|
}
|
|
}
|
|
return null;
|
|
};
|
|
|
|
EANReader.prototype._findStart = function () {
|
|
var self = this,
|
|
leadingWhitespaceStart,
|
|
offset = self._nextSet(self._row),
|
|
startInfo;
|
|
|
|
while (!startInfo) {
|
|
startInfo = self._findPattern(self.START_PATTERN, offset);
|
|
if (!startInfo) {
|
|
return null;
|
|
}
|
|
leadingWhitespaceStart = startInfo.start - (startInfo.end - startInfo.start);
|
|
if (leadingWhitespaceStart >= 0) {
|
|
if (self._matchRange(leadingWhitespaceStart, startInfo.start, 0)) {
|
|
return startInfo;
|
|
}
|
|
}
|
|
offset = startInfo.end;
|
|
startInfo = null;
|
|
}
|
|
};
|
|
|
|
EANReader.prototype._verifyTrailingWhitespace = function (endInfo) {
|
|
var self = this,
|
|
trailingWhitespaceEnd;
|
|
|
|
trailingWhitespaceEnd = endInfo.end + (endInfo.end - endInfo.start);
|
|
if (trailingWhitespaceEnd < self._row.length) {
|
|
if (self._matchRange(endInfo.end, trailingWhitespaceEnd, 0)) {
|
|
return endInfo;
|
|
}
|
|
}
|
|
return null;
|
|
};
|
|
|
|
EANReader.prototype._findEnd = function (offset, isWhite) {
|
|
var self = this,
|
|
endInfo = self._findPattern(self.STOP_PATTERN, offset, isWhite, false);
|
|
|
|
return endInfo !== null ? self._verifyTrailingWhitespace(endInfo) : null;
|
|
};
|
|
|
|
EANReader.prototype._calculateFirstDigit = function (codeFrequency) {
|
|
var i,
|
|
self = this;
|
|
|
|
for (i = 0; i < self.CODE_FREQUENCY.length; i++) {
|
|
if (codeFrequency === self.CODE_FREQUENCY[i]) {
|
|
return i;
|
|
}
|
|
}
|
|
return null;
|
|
};
|
|
|
|
EANReader.prototype._decodePayload = function (code, result, decodedCodes) {
|
|
var i,
|
|
self = this,
|
|
codeFrequency = 0x0,
|
|
firstDigit;
|
|
|
|
for (i = 0; i < 6; i++) {
|
|
code = self._decodeCode(code.end);
|
|
if (!code) {
|
|
return null;
|
|
}
|
|
if (code.code >= self.CODE_G_START) {
|
|
code.code = code.code - self.CODE_G_START;
|
|
codeFrequency |= 1 << 5 - i;
|
|
} else {
|
|
codeFrequency |= 0 << 5 - i;
|
|
}
|
|
result.push(code.code);
|
|
decodedCodes.push(code);
|
|
}
|
|
|
|
firstDigit = self._calculateFirstDigit(codeFrequency);
|
|
if (firstDigit === null) {
|
|
return null;
|
|
}
|
|
result.unshift(firstDigit);
|
|
|
|
code = self._findPattern(self.MIDDLE_PATTERN, code.end, true, false);
|
|
if (code === null) {
|
|
return null;
|
|
}
|
|
decodedCodes.push(code);
|
|
|
|
for (i = 0; i < 6; i++) {
|
|
code = self._decodeCode(code.end, self.CODE_G_START);
|
|
if (!code) {
|
|
return null;
|
|
}
|
|
decodedCodes.push(code);
|
|
result.push(code.code);
|
|
}
|
|
|
|
return code;
|
|
};
|
|
|
|
EANReader.prototype._decode = function () {
|
|
var startInfo,
|
|
self = this,
|
|
code,
|
|
result = [],
|
|
decodedCodes = [];
|
|
|
|
startInfo = self._findStart();
|
|
if (!startInfo) {
|
|
return null;
|
|
}
|
|
code = {
|
|
code: startInfo.code,
|
|
start: startInfo.start,
|
|
end: startInfo.end
|
|
};
|
|
decodedCodes.push(code);
|
|
code = self._decodePayload(code, result, decodedCodes);
|
|
if (!code) {
|
|
return null;
|
|
}
|
|
code = self._findEnd(code.end, false);
|
|
if (!code) {
|
|
return null;
|
|
}
|
|
|
|
decodedCodes.push(code);
|
|
|
|
// Checksum
|
|
if (!self._checksum(result)) {
|
|
return null;
|
|
}
|
|
|
|
return {
|
|
code: result.join(""),
|
|
start: startInfo.start,
|
|
end: code.end,
|
|
codeset: "",
|
|
startInfo: startInfo,
|
|
decodedCodes: decodedCodes
|
|
};
|
|
};
|
|
|
|
EANReader.prototype._checksum = function (result) {
|
|
var sum = 0,
|
|
i;
|
|
|
|
for (i = result.length - 2; i >= 0; i -= 2) {
|
|
sum += result[i];
|
|
}
|
|
sum *= 3;
|
|
for (i = result.length - 1; i >= 0; i -= 2) {
|
|
sum += result[i];
|
|
}
|
|
return sum % 10 === 0;
|
|
};
|
|
|
|
exports["default"] = EANReader;
|
|
module.exports = exports["default"];
|
|
|
|
/***/ },
|
|
/* 28 */
|
|
/***/ function(module, exports, __webpack_require__) {
|
|
|
|
'use strict';
|
|
|
|
Object.defineProperty(exports, '__esModule', {
|
|
value: true
|
|
});
|
|
|
|
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }
|
|
|
|
var _barcode_reader = __webpack_require__(26);
|
|
|
|
var _barcode_reader2 = _interopRequireDefault(_barcode_reader);
|
|
|
|
var _array_helper = __webpack_require__(17);
|
|
|
|
var _array_helper2 = _interopRequireDefault(_array_helper);
|
|
|
|
function Code39Reader() {
|
|
_barcode_reader2['default'].call(this);
|
|
}
|
|
|
|
var properties = {
|
|
ALPHABETH_STRING: { value: "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ-. *$/+%" },
|
|
ALPHABET: { value: [48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 45, 46, 32, 42, 36, 47, 43, 37] },
|
|
CHARACTER_ENCODINGS: { value: [0x034, 0x121, 0x061, 0x160, 0x031, 0x130, 0x070, 0x025, 0x124, 0x064, 0x109, 0x049, 0x148, 0x019, 0x118, 0x058, 0x00D, 0x10C, 0x04C, 0x01C, 0x103, 0x043, 0x142, 0x013, 0x112, 0x052, 0x007, 0x106, 0x046, 0x016, 0x181, 0x0C1, 0x1C0, 0x091, 0x190, 0x0D0, 0x085, 0x184, 0x0C4, 0x094, 0x0A8, 0x0A2, 0x08A, 0x02A] },
|
|
ASTERISK: { value: 0x094 },
|
|
FORMAT: { value: "code_39", writeable: false }
|
|
};
|
|
|
|
Code39Reader.prototype = Object.create(_barcode_reader2['default'].prototype, properties);
|
|
Code39Reader.prototype.constructor = Code39Reader;
|
|
|
|
Code39Reader.prototype._toCounters = function (start, counter) {
|
|
var self = this,
|
|
numCounters = counter.length,
|
|
end = self._row.length,
|
|
isWhite = !self._row[start],
|
|
i,
|
|
counterPos = 0;
|
|
|
|
_array_helper2['default'].init(counter, 0);
|
|
|
|
for (i = start; i < end; i++) {
|
|
if (self._row[i] ^ isWhite) {
|
|
counter[counterPos]++;
|
|
} else {
|
|
counterPos++;
|
|
if (counterPos === numCounters) {
|
|
break;
|
|
} else {
|
|
counter[counterPos] = 1;
|
|
isWhite = !isWhite;
|
|
}
|
|
}
|
|
}
|
|
|
|
return counter;
|
|
};
|
|
|
|
Code39Reader.prototype._decode = function () {
|
|
var self = this,
|
|
counters = [0, 0, 0, 0, 0, 0, 0, 0, 0],
|
|
result = [],
|
|
start = self._findStart(),
|
|
decodedChar,
|
|
lastStart,
|
|
pattern,
|
|
nextStart;
|
|
|
|
if (!start) {
|
|
return null;
|
|
}
|
|
nextStart = self._nextSet(self._row, start.end);
|
|
|
|
do {
|
|
counters = self._toCounters(nextStart, counters);
|
|
pattern = self._toPattern(counters);
|
|
if (pattern < 0) {
|
|
return null;
|
|
}
|
|
decodedChar = self._patternToChar(pattern);
|
|
if (decodedChar < 0) {
|
|
return null;
|
|
}
|
|
result.push(decodedChar);
|
|
lastStart = nextStart;
|
|
nextStart += _array_helper2['default'].sum(counters);
|
|
nextStart = self._nextSet(self._row, nextStart);
|
|
} while (decodedChar !== '*');
|
|
result.pop();
|
|
|
|
if (!result.length) {
|
|
return null;
|
|
}
|
|
|
|
if (!self._verifyTrailingWhitespace(lastStart, nextStart, counters)) {
|
|
return null;
|
|
}
|
|
|
|
return {
|
|
code: result.join(""),
|
|
start: start.start,
|
|
end: nextStart,
|
|
startInfo: start,
|
|
decodedCodes: result
|
|
};
|
|
};
|
|
|
|
Code39Reader.prototype._verifyTrailingWhitespace = function (lastStart, nextStart, counters) {
|
|
var trailingWhitespaceEnd,
|
|
patternSize = _array_helper2['default'].sum(counters);
|
|
|
|
trailingWhitespaceEnd = nextStart - lastStart - patternSize;
|
|
if (trailingWhitespaceEnd * 3 >= patternSize) {
|
|
return true;
|
|
}
|
|
return false;
|
|
};
|
|
|
|
Code39Reader.prototype._patternToChar = function (pattern) {
|
|
var i,
|
|
self = this;
|
|
|
|
for (i = 0; i < self.CHARACTER_ENCODINGS.length; i++) {
|
|
if (self.CHARACTER_ENCODINGS[i] === pattern) {
|
|
return String.fromCharCode(self.ALPHABET[i]);
|
|
}
|
|
}
|
|
};
|
|
|
|
Code39Reader.prototype._findNextWidth = function (counters, current) {
|
|
var i,
|
|
minWidth = Number.MAX_VALUE;
|
|
|
|
for (i = 0; i < counters.length; i++) {
|
|
if (counters[i] < minWidth && counters[i] > current) {
|
|
minWidth = counters[i];
|
|
}
|
|
}
|
|
|
|
return minWidth;
|
|
};
|
|
|
|
Code39Reader.prototype._toPattern = function (counters) {
|
|
var numCounters = counters.length,
|
|
maxNarrowWidth = 0,
|
|
numWideBars = numCounters,
|
|
wideBarWidth = 0,
|
|
self = this,
|
|
pattern,
|
|
i;
|
|
|
|
while (numWideBars > 3) {
|
|
maxNarrowWidth = self._findNextWidth(counters, maxNarrowWidth);
|
|
numWideBars = 0;
|
|
pattern = 0;
|
|
for (i = 0; i < numCounters; i++) {
|
|
if (counters[i] > maxNarrowWidth) {
|
|
pattern |= 1 << numCounters - 1 - i;
|
|
numWideBars++;
|
|
wideBarWidth += counters[i];
|
|
}
|
|
}
|
|
|
|
if (numWideBars === 3) {
|
|
for (i = 0; i < numCounters && numWideBars > 0; i++) {
|
|
if (counters[i] > maxNarrowWidth) {
|
|
numWideBars--;
|
|
if (counters[i] * 2 >= wideBarWidth) {
|
|
return -1;
|
|
}
|
|
}
|
|
}
|
|
return pattern;
|
|
}
|
|
}
|
|
return -1;
|
|
};
|
|
|
|
Code39Reader.prototype._findStart = function () {
|
|
var self = this,
|
|
offset = self._nextSet(self._row),
|
|
patternStart = offset,
|
|
counter = [0, 0, 0, 0, 0, 0, 0, 0, 0],
|
|
counterPos = 0,
|
|
isWhite = false,
|
|
i,
|
|
j,
|
|
whiteSpaceMustStart;
|
|
|
|
for (i = offset; i < self._row.length; i++) {
|
|
if (self._row[i] ^ isWhite) {
|
|
counter[counterPos]++;
|
|
} else {
|
|
if (counterPos === counter.length - 1) {
|
|
// find start pattern
|
|
if (self._toPattern(counter) === self.ASTERISK) {
|
|
whiteSpaceMustStart = Math.floor(Math.max(0, patternStart - (i - patternStart) / 4));
|
|
if (self._matchRange(whiteSpaceMustStart, patternStart, 0)) {
|
|
return {
|
|
start: patternStart,
|
|
end: i
|
|
};
|
|
}
|
|
}
|
|
|
|
patternStart += counter[0] + counter[1];
|
|
for (j = 0; j < 7; j++) {
|
|
counter[j] = counter[j + 2];
|
|
}
|
|
counter[7] = 0;
|
|
counter[8] = 0;
|
|
counterPos--;
|
|
} else {
|
|
counterPos++;
|
|
}
|
|
counter[counterPos] = 1;
|
|
isWhite = !isWhite;
|
|
}
|
|
}
|
|
return null;
|
|
};
|
|
|
|
exports['default'] = Code39Reader;
|
|
module.exports = exports['default'];
|
|
|
|
/***/ },
|
|
/* 29 */
|
|
/***/ function(module, exports, __webpack_require__) {
|
|
|
|
'use strict';
|
|
|
|
Object.defineProperty(exports, '__esModule', {
|
|
value: true
|
|
});
|
|
|
|
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }
|
|
|
|
var _code_39_reader = __webpack_require__(28);
|
|
|
|
var _code_39_reader2 = _interopRequireDefault(_code_39_reader);
|
|
|
|
function Code39VINReader() {
|
|
_code_39_reader2['default'].call(this);
|
|
}
|
|
|
|
var patterns = {
|
|
IOQ: /[IOQ]/g,
|
|
AZ09: /[A-Z0-9]{17}/
|
|
};
|
|
|
|
Code39VINReader.prototype = Object.create(_code_39_reader2['default'].prototype);
|
|
Code39VINReader.prototype.constructor = Code39VINReader;
|
|
|
|
// Cribbed from:
|
|
// https://github.com/zxing/zxing/blob/master/core/src/main/java/com/google/zxing/client/result/VINResultParser.java
|
|
Code39VINReader.prototype._decode = function () {
|
|
var result = _code_39_reader2['default'].prototype._decode.apply(this);
|
|
if (!result) {
|
|
return null;
|
|
}
|
|
|
|
var code = result.code;
|
|
|
|
if (!code) {
|
|
return null;
|
|
}
|
|
|
|
code = code.replace(patterns.IOQ, '');
|
|
|
|
if (!code.match(patterns.AZ09)) {
|
|
console.log('Failed AZ09 pattern code:', code);
|
|
return null;
|
|
}
|
|
|
|
if (!this._checkChecksum(code)) {
|
|
return null;
|
|
}
|
|
|
|
result.code = code;
|
|
return result;
|
|
};
|
|
|
|
Code39VINReader.prototype._checkChecksum = function (code) {
|
|
// TODO
|
|
return !!code;
|
|
};
|
|
|
|
exports['default'] = Code39VINReader;
|
|
module.exports = exports['default'];
|
|
|
|
/***/ },
|
|
/* 30 */
|
|
/***/ function(module, exports, __webpack_require__) {
|
|
|
|
"use strict";
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
|
|
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
|
|
|
|
var _barcode_reader = __webpack_require__(26);
|
|
|
|
var _barcode_reader2 = _interopRequireDefault(_barcode_reader);
|
|
|
|
function CodabarReader() {
|
|
_barcode_reader2["default"].call(this);
|
|
this._counters = [];
|
|
}
|
|
|
|
var properties = {
|
|
ALPHABETH_STRING: { value: "0123456789-$:/.+ABCD" },
|
|
ALPHABET: { value: [48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 45, 36, 58, 47, 46, 43, 65, 66, 67, 68] },
|
|
CHARACTER_ENCODINGS: { value: [0x003, 0x006, 0x009, 0x060, 0x012, 0x042, 0x021, 0x024, 0x030, 0x048, 0x00c, 0x018, 0x045, 0x051, 0x054, 0x015, 0x01A, 0x029, 0x00B, 0x00E] },
|
|
START_END: { value: [0x01A, 0x029, 0x00B, 0x00E] },
|
|
MIN_ENCODED_CHARS: { value: 4 },
|
|
MAX_ACCEPTABLE: { value: 2.0 },
|
|
PADDING: { value: 1.5 },
|
|
FORMAT: { value: "codabar", writeable: false }
|
|
};
|
|
|
|
CodabarReader.prototype = Object.create(_barcode_reader2["default"].prototype, properties);
|
|
CodabarReader.prototype.constructor = CodabarReader;
|
|
|
|
CodabarReader.prototype._decode = function () {
|
|
var self = this,
|
|
result = [],
|
|
start,
|
|
decodedChar,
|
|
pattern,
|
|
nextStart,
|
|
end;
|
|
|
|
this._counters = self._fillCounters();
|
|
start = self._findStart();
|
|
if (!start) {
|
|
return null;
|
|
}
|
|
nextStart = start.startCounter;
|
|
|
|
do {
|
|
pattern = self._toPattern(nextStart);
|
|
if (pattern < 0) {
|
|
return null;
|
|
}
|
|
decodedChar = self._patternToChar(pattern);
|
|
if (decodedChar < 0) {
|
|
return null;
|
|
}
|
|
result.push(decodedChar);
|
|
nextStart += 8;
|
|
if (result.length > 1 && self._isStartEnd(pattern)) {
|
|
break;
|
|
}
|
|
} while (nextStart < self._counters.length);
|
|
|
|
// verify end
|
|
if (result.length - 2 < self.MIN_ENCODED_CHARS || !self._isStartEnd(pattern)) {
|
|
return null;
|
|
}
|
|
|
|
// verify end white space
|
|
if (!self._verifyWhitespace(start.startCounter, nextStart - 8)) {
|
|
return null;
|
|
}
|
|
|
|
if (!self._validateResult(result, start.startCounter)) {
|
|
return null;
|
|
}
|
|
|
|
nextStart = nextStart > self._counters.length ? self._counters.length : nextStart;
|
|
end = start.start + self._sumCounters(start.startCounter, nextStart - 8);
|
|
|
|
return {
|
|
code: result.join(""),
|
|
start: start.start,
|
|
end: end,
|
|
startInfo: start,
|
|
decodedCodes: result
|
|
};
|
|
};
|
|
|
|
CodabarReader.prototype._verifyWhitespace = function (startCounter, endCounter) {
|
|
if (startCounter - 1 <= 0 || this._counters[startCounter - 1] >= this._calculatePatternLength(startCounter) / 2.0) {
|
|
if (endCounter + 8 >= this._counters.length || this._counters[endCounter + 7] >= this._calculatePatternLength(endCounter) / 2.0) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
};
|
|
|
|
CodabarReader.prototype._calculatePatternLength = function (offset) {
|
|
var i,
|
|
sum = 0;
|
|
|
|
for (i = offset; i < offset + 7; i++) {
|
|
sum += this._counters[i];
|
|
}
|
|
|
|
return sum;
|
|
};
|
|
|
|
CodabarReader.prototype._thresholdResultPattern = function (result, startCounter) {
|
|
var self = this,
|
|
categorization = {
|
|
space: {
|
|
narrow: { size: 0, counts: 0, min: 0, max: Number.MAX_VALUE },
|
|
wide: { size: 0, counts: 0, min: 0, max: Number.MAX_VALUE }
|
|
},
|
|
bar: {
|
|
narrow: { size: 0, counts: 0, min: 0, max: Number.MAX_VALUE },
|
|
wide: { size: 0, counts: 0, min: 0, max: Number.MAX_VALUE }
|
|
}
|
|
},
|
|
kind,
|
|
cat,
|
|
i,
|
|
j,
|
|
pos = startCounter,
|
|
pattern;
|
|
|
|
for (i = 0; i < result.length; i++) {
|
|
pattern = self._charToPattern(result[i]);
|
|
for (j = 6; j >= 0; j--) {
|
|
kind = (j & 1) === 2 ? categorization.bar : categorization.space;
|
|
cat = (pattern & 1) === 1 ? kind.wide : kind.narrow;
|
|
cat.size += self._counters[pos + j];
|
|
cat.counts++;
|
|
pattern >>= 1;
|
|
}
|
|
pos += 8;
|
|
}
|
|
|
|
["space", "bar"].forEach(function (key) {
|
|
var newkind = categorization[key];
|
|
newkind.wide.min = Math.floor((newkind.narrow.size / newkind.narrow.counts + newkind.wide.size / newkind.wide.counts) / 2);
|
|
newkind.narrow.max = Math.ceil(newkind.wide.min);
|
|
newkind.wide.max = Math.ceil((newkind.wide.size * self.MAX_ACCEPTABLE + self.PADDING) / newkind.wide.counts);
|
|
});
|
|
|
|
return categorization;
|
|
};
|
|
|
|
CodabarReader.prototype._charToPattern = function (char) {
|
|
var self = this,
|
|
charCode = char.charCodeAt(0),
|
|
i;
|
|
|
|
for (i = 0; i < self.ALPHABET.length; i++) {
|
|
if (self.ALPHABET[i] === charCode) {
|
|
return self.CHARACTER_ENCODINGS[i];
|
|
}
|
|
}
|
|
return 0x0;
|
|
};
|
|
|
|
CodabarReader.prototype._validateResult = function (result, startCounter) {
|
|
var self = this,
|
|
thresholds = self._thresholdResultPattern(result, startCounter),
|
|
i,
|
|
j,
|
|
kind,
|
|
cat,
|
|
size,
|
|
pos = startCounter,
|
|
pattern;
|
|
|
|
for (i = 0; i < result.length; i++) {
|
|
pattern = self._charToPattern(result[i]);
|
|
for (j = 6; j >= 0; j--) {
|
|
kind = (j & 1) === 0 ? thresholds.bar : thresholds.space;
|
|
cat = (pattern & 1) === 1 ? kind.wide : kind.narrow;
|
|
size = self._counters[pos + j];
|
|
if (size < cat.min || size > cat.max) {
|
|
return false;
|
|
}
|
|
pattern >>= 1;
|
|
}
|
|
pos += 8;
|
|
}
|
|
return true;
|
|
};
|
|
|
|
CodabarReader.prototype._patternToChar = function (pattern) {
|
|
var i,
|
|
self = this;
|
|
|
|
for (i = 0; i < self.CHARACTER_ENCODINGS.length; i++) {
|
|
if (self.CHARACTER_ENCODINGS[i] === pattern) {
|
|
return String.fromCharCode(self.ALPHABET[i]);
|
|
}
|
|
}
|
|
return -1;
|
|
};
|
|
|
|
CodabarReader.prototype._computeAlternatingThreshold = function (offset, end) {
|
|
var i,
|
|
min = Number.MAX_VALUE,
|
|
max = 0,
|
|
counter;
|
|
|
|
for (i = offset; i < end; i += 2) {
|
|
counter = this._counters[i];
|
|
if (counter > max) {
|
|
max = counter;
|
|
}
|
|
if (counter < min) {
|
|
min = counter;
|
|
}
|
|
}
|
|
|
|
return (min + max) / 2.0 | 0;
|
|
};
|
|
|
|
CodabarReader.prototype._toPattern = function (offset) {
|
|
var numCounters = 7,
|
|
end = offset + numCounters,
|
|
barThreshold,
|
|
spaceThreshold,
|
|
bitmask = 1 << numCounters - 1,
|
|
pattern = 0,
|
|
i,
|
|
threshold;
|
|
|
|
if (end > this._counters.length) {
|
|
return -1;
|
|
}
|
|
|
|
barThreshold = this._computeAlternatingThreshold(offset, end);
|
|
spaceThreshold = this._computeAlternatingThreshold(offset + 1, end);
|
|
|
|
for (i = 0; i < numCounters; i++) {
|
|
threshold = (i & 1) === 0 ? barThreshold : spaceThreshold;
|
|
if (this._counters[offset + i] > threshold) {
|
|
pattern |= bitmask;
|
|
}
|
|
bitmask >>= 1;
|
|
}
|
|
|
|
return pattern;
|
|
};
|
|
|
|
CodabarReader.prototype._isStartEnd = function (pattern) {
|
|
var i;
|
|
|
|
for (i = 0; i < this.START_END.length; i++) {
|
|
if (this.START_END[i] === pattern) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
};
|
|
|
|
CodabarReader.prototype._sumCounters = function (start, end) {
|
|
var i,
|
|
sum = 0;
|
|
|
|
for (i = start; i < end; i++) {
|
|
sum += this._counters[i];
|
|
}
|
|
return sum;
|
|
};
|
|
|
|
CodabarReader.prototype._findStart = function () {
|
|
var self = this,
|
|
i,
|
|
pattern,
|
|
start = self._nextUnset(self._row),
|
|
end;
|
|
|
|
for (i = 1; i < this._counters.length; i++) {
|
|
pattern = self._toPattern(i);
|
|
if (pattern !== -1 && self._isStartEnd(pattern)) {
|
|
// TODO: Look for whitespace ahead
|
|
start += self._sumCounters(0, i);
|
|
end = start + self._sumCounters(i, i + 8);
|
|
return {
|
|
start: start,
|
|
end: end,
|
|
startCounter: i,
|
|
endCounter: i + 8
|
|
};
|
|
}
|
|
}
|
|
};
|
|
|
|
exports["default"] = CodabarReader;
|
|
module.exports = exports["default"];
|
|
|
|
/***/ },
|
|
/* 31 */
|
|
/***/ function(module, exports, __webpack_require__) {
|
|
|
|
"use strict";
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
|
|
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
|
|
|
|
var _ean_reader = __webpack_require__(27);
|
|
|
|
var _ean_reader2 = _interopRequireDefault(_ean_reader);
|
|
|
|
function UPCReader() {
|
|
_ean_reader2["default"].call(this);
|
|
}
|
|
|
|
var properties = {
|
|
FORMAT: { value: "upc_a", writeable: false }
|
|
};
|
|
|
|
UPCReader.prototype = Object.create(_ean_reader2["default"].prototype, properties);
|
|
UPCReader.prototype.constructor = UPCReader;
|
|
|
|
UPCReader.prototype._decode = function () {
|
|
var result = _ean_reader2["default"].prototype._decode.call(this);
|
|
|
|
if (result && result.code && result.code.length === 13 && result.code.charAt(0) === "0") {
|
|
result.code = result.code.substring(1);
|
|
return result;
|
|
}
|
|
return null;
|
|
};
|
|
|
|
exports["default"] = UPCReader;
|
|
module.exports = exports["default"];
|
|
|
|
/***/ },
|
|
/* 32 */
|
|
/***/ function(module, exports, __webpack_require__) {
|
|
|
|
"use strict";
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
|
|
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
|
|
|
|
var _ean_reader = __webpack_require__(27);
|
|
|
|
var _ean_reader2 = _interopRequireDefault(_ean_reader);
|
|
|
|
function EAN8Reader() {
|
|
_ean_reader2["default"].call(this);
|
|
}
|
|
|
|
var properties = {
|
|
FORMAT: { value: "ean_8", writeable: false }
|
|
};
|
|
|
|
EAN8Reader.prototype = Object.create(_ean_reader2["default"].prototype, properties);
|
|
EAN8Reader.prototype.constructor = EAN8Reader;
|
|
|
|
EAN8Reader.prototype._decodePayload = function (code, result, decodedCodes) {
|
|
var i,
|
|
self = this;
|
|
|
|
for (i = 0; i < 4; i++) {
|
|
code = self._decodeCode(code.end, self.CODE_G_START);
|
|
if (!code) {
|
|
return null;
|
|
}
|
|
result.push(code.code);
|
|
decodedCodes.push(code);
|
|
}
|
|
|
|
code = self._findPattern(self.MIDDLE_PATTERN, code.end, true, false);
|
|
if (code === null) {
|
|
return null;
|
|
}
|
|
decodedCodes.push(code);
|
|
|
|
for (i = 0; i < 4; i++) {
|
|
code = self._decodeCode(code.end, self.CODE_G_START);
|
|
if (!code) {
|
|
return null;
|
|
}
|
|
decodedCodes.push(code);
|
|
result.push(code.code);
|
|
}
|
|
|
|
return code;
|
|
};
|
|
|
|
exports["default"] = EAN8Reader;
|
|
module.exports = exports["default"];
|
|
|
|
/***/ },
|
|
/* 33 */
|
|
/***/ function(module, exports, __webpack_require__) {
|
|
|
|
"use strict";
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
|
|
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
|
|
|
|
var _ean_reader = __webpack_require__(27);
|
|
|
|
var _ean_reader2 = _interopRequireDefault(_ean_reader);
|
|
|
|
function UPCEReader() {
|
|
_ean_reader2["default"].call(this);
|
|
}
|
|
|
|
var properties = {
|
|
CODE_FREQUENCY: { value: [[56, 52, 50, 49, 44, 38, 35, 42, 41, 37], [7, 11, 13, 14, 19, 25, 28, 21, 22, 26]] },
|
|
STOP_PATTERN: { value: [1 / 6 * 7, 1 / 6 * 7, 1 / 6 * 7, 1 / 6 * 7, 1 / 6 * 7, 1 / 6 * 7] },
|
|
FORMAT: { value: "upc_e", writeable: false }
|
|
};
|
|
|
|
UPCEReader.prototype = Object.create(_ean_reader2["default"].prototype, properties);
|
|
UPCEReader.prototype.constructor = UPCEReader;
|
|
|
|
UPCEReader.prototype._decodePayload = function (code, result, decodedCodes) {
|
|
var i,
|
|
self = this,
|
|
codeFrequency = 0x0;
|
|
|
|
for (i = 0; i < 6; i++) {
|
|
code = self._decodeCode(code.end);
|
|
if (!code) {
|
|
return null;
|
|
}
|
|
if (code.code >= self.CODE_G_START) {
|
|
code.code = code.code - self.CODE_G_START;
|
|
codeFrequency |= 1 << 5 - i;
|
|
}
|
|
result.push(code.code);
|
|
decodedCodes.push(code);
|
|
}
|
|
if (!self._determineParity(codeFrequency, result)) {
|
|
return null;
|
|
}
|
|
|
|
return code;
|
|
};
|
|
|
|
UPCEReader.prototype._determineParity = function (codeFrequency, result) {
|
|
var i, nrSystem;
|
|
|
|
for (nrSystem = 0; nrSystem < this.CODE_FREQUENCY.length; nrSystem++) {
|
|
for (i = 0; i < this.CODE_FREQUENCY[nrSystem].length; i++) {
|
|
if (codeFrequency === this.CODE_FREQUENCY[nrSystem][i]) {
|
|
result.unshift(nrSystem);
|
|
result.push(i);
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
};
|
|
|
|
UPCEReader.prototype._convertToUPCA = function (result) {
|
|
var upca = [result[0]],
|
|
lastDigit = result[result.length - 2];
|
|
|
|
if (lastDigit <= 2) {
|
|
upca = upca.concat(result.slice(1, 3)).concat([lastDigit, 0, 0, 0, 0]).concat(result.slice(3, 6));
|
|
} else if (lastDigit === 3) {
|
|
upca = upca.concat(result.slice(1, 4)).concat([0, 0, 0, 0, 0]).concat(result.slice(4, 6));
|
|
} else if (lastDigit === 4) {
|
|
upca = upca.concat(result.slice(1, 5)).concat([0, 0, 0, 0, 0, result[5]]);
|
|
} else {
|
|
upca = upca.concat(result.slice(1, 6)).concat([0, 0, 0, 0, lastDigit]);
|
|
}
|
|
|
|
upca.push(result[result.length - 1]);
|
|
return upca;
|
|
};
|
|
|
|
UPCEReader.prototype._checksum = function (result) {
|
|
return _ean_reader2["default"].prototype._checksum.call(this, this._convertToUPCA(result));
|
|
};
|
|
|
|
UPCEReader.prototype._findEnd = function (offset, isWhite) {
|
|
isWhite = true;
|
|
return _ean_reader2["default"].prototype._findEnd.call(this, offset, isWhite);
|
|
};
|
|
|
|
UPCEReader.prototype._verifyTrailingWhitespace = function (endInfo) {
|
|
var self = this,
|
|
trailingWhitespaceEnd;
|
|
|
|
trailingWhitespaceEnd = endInfo.end + (endInfo.end - endInfo.start) / 2;
|
|
if (trailingWhitespaceEnd < self._row.length) {
|
|
if (self._matchRange(endInfo.end, trailingWhitespaceEnd, 0)) {
|
|
return endInfo;
|
|
}
|
|
}
|
|
};
|
|
|
|
exports["default"] = UPCEReader;
|
|
module.exports = exports["default"];
|
|
|
|
/***/ },
|
|
/* 34 */
|
|
/***/ function(module, exports, __webpack_require__) {
|
|
|
|
'use strict';
|
|
|
|
Object.defineProperty(exports, '__esModule', {
|
|
value: true
|
|
});
|
|
|
|
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }
|
|
|
|
var _barcode_reader = __webpack_require__(26);
|
|
|
|
var _barcode_reader2 = _interopRequireDefault(_barcode_reader);
|
|
|
|
var merge = __webpack_require__(35);
|
|
|
|
function I2of5Reader(opts) {
|
|
opts = merge(getDefaulConfig(), opts);
|
|
_barcode_reader2['default'].call(this, opts);
|
|
this.barSpaceRatio = [1, 1];
|
|
if (opts.normalizeBarSpaceWidth) {
|
|
this.SINGLE_CODE_ERROR = 0.38;
|
|
this.AVG_CODE_ERROR = 0.09;
|
|
}
|
|
}
|
|
|
|
function getDefaulConfig() {
|
|
var config = {};
|
|
|
|
Object.keys(I2of5Reader.CONFIG_KEYS).forEach(function (key) {
|
|
config[key] = I2of5Reader.CONFIG_KEYS[key]['default'];
|
|
});
|
|
return config;
|
|
}
|
|
|
|
var N = 1,
|
|
W = 3,
|
|
properties = {
|
|
MODULO: { value: 10 },
|
|
START_PATTERN: { value: [N * 2.5, N * 2.5, N * 2.5, N * 2.5] },
|
|
STOP_PATTERN: { value: [N * 2, N * 2, W * 2] },
|
|
CODE_PATTERN: { value: [[N, N, W, W, N], [W, N, N, N, W], [N, W, N, N, W], [W, W, N, N, N], [N, N, W, N, W], [W, N, W, N, N], [N, W, W, N, N], [N, N, N, W, W], [W, N, N, W, N], [N, W, N, W, N]] },
|
|
SINGLE_CODE_ERROR: { value: 0.78, writable: true },
|
|
AVG_CODE_ERROR: { value: 0.38, writable: true },
|
|
MAX_CORRECTION_FACTOR: { value: 5 },
|
|
FORMAT: { value: "i2of5" }
|
|
};
|
|
|
|
I2of5Reader.prototype = Object.create(_barcode_reader2['default'].prototype, properties);
|
|
I2of5Reader.prototype.constructor = I2of5Reader;
|
|
|
|
I2of5Reader.prototype._matchPattern = function (counter, code) {
|
|
if (this.config.normalizeBarSpaceWidth) {
|
|
var i,
|
|
counterSum = [0, 0],
|
|
codeSum = [0, 0],
|
|
correction = [0, 0],
|
|
correctionRatio = this.MAX_CORRECTION_FACTOR,
|
|
correctionRatioInverse = 1 / correctionRatio;
|
|
|
|
for (i = 0; i < counter.length; i++) {
|
|
counterSum[i % 2] += counter[i];
|
|
codeSum[i % 2] += code[i];
|
|
}
|
|
correction[0] = codeSum[0] / counterSum[0];
|
|
correction[1] = codeSum[1] / counterSum[1];
|
|
|
|
correction[0] = Math.max(Math.min(correction[0], correctionRatio), correctionRatioInverse);
|
|
correction[1] = Math.max(Math.min(correction[1], correctionRatio), correctionRatioInverse);
|
|
this.barSpaceRatio = correction;
|
|
for (i = 0; i < counter.length; i++) {
|
|
counter[i] *= this.barSpaceRatio[i % 2];
|
|
}
|
|
}
|
|
return _barcode_reader2['default'].prototype._matchPattern.call(this, counter, code);
|
|
};
|
|
|
|
I2of5Reader.prototype._findPattern = function (pattern, offset, isWhite, tryHarder) {
|
|
var counter = [],
|
|
self = this,
|
|
i,
|
|
counterPos = 0,
|
|
bestMatch = {
|
|
error: Number.MAX_VALUE,
|
|
code: -1,
|
|
start: 0,
|
|
end: 0
|
|
},
|
|
error,
|
|
j,
|
|
sum,
|
|
normalized,
|
|
epsilon = self.AVG_CODE_ERROR;
|
|
|
|
isWhite = isWhite || false;
|
|
tryHarder = tryHarder || false;
|
|
|
|
if (!offset) {
|
|
offset = self._nextSet(self._row);
|
|
}
|
|
|
|
for (i = 0; i < pattern.length; i++) {
|
|
counter[i] = 0;
|
|
}
|
|
|
|
for (i = offset; i < self._row.length; i++) {
|
|
if (self._row[i] ^ isWhite) {
|
|
counter[counterPos]++;
|
|
} else {
|
|
if (counterPos === counter.length - 1) {
|
|
sum = 0;
|
|
for (j = 0; j < counter.length; j++) {
|
|
sum += counter[j];
|
|
}
|
|
normalized = self._normalize(counter);
|
|
if (normalized) {
|
|
error = self._matchPattern(normalized, pattern);
|
|
|
|
if (error < epsilon) {
|
|
bestMatch.error = error;
|
|
bestMatch.start = i - sum;
|
|
bestMatch.end = i;
|
|
return bestMatch;
|
|
}
|
|
}
|
|
if (tryHarder) {
|
|
for (j = 0; j < counter.length - 2; j++) {
|
|
counter[j] = counter[j + 2];
|
|
}
|
|
counter[counter.length - 2] = 0;
|
|
counter[counter.length - 1] = 0;
|
|
counterPos--;
|
|
} else {
|
|
return null;
|
|
}
|
|
} else {
|
|
counterPos++;
|
|
}
|
|
counter[counterPos] = 1;
|
|
isWhite = !isWhite;
|
|
}
|
|
}
|
|
return null;
|
|
};
|
|
|
|
I2of5Reader.prototype._findStart = function () {
|
|
var self = this,
|
|
leadingWhitespaceStart,
|
|
offset = self._nextSet(self._row),
|
|
startInfo,
|
|
narrowBarWidth = 1;
|
|
|
|
while (!startInfo) {
|
|
startInfo = self._findPattern(self.START_PATTERN, offset, false, true);
|
|
if (!startInfo) {
|
|
return null;
|
|
}
|
|
narrowBarWidth = Math.floor((startInfo.end - startInfo.start) / 4);
|
|
leadingWhitespaceStart = startInfo.start - narrowBarWidth * 10;
|
|
if (leadingWhitespaceStart >= 0) {
|
|
if (self._matchRange(leadingWhitespaceStart, startInfo.start, 0)) {
|
|
return startInfo;
|
|
}
|
|
}
|
|
offset = startInfo.end;
|
|
startInfo = null;
|
|
}
|
|
};
|
|
|
|
I2of5Reader.prototype._verifyTrailingWhitespace = function (endInfo) {
|
|
var self = this,
|
|
trailingWhitespaceEnd;
|
|
|
|
trailingWhitespaceEnd = endInfo.end + (endInfo.end - endInfo.start) / 2;
|
|
if (trailingWhitespaceEnd < self._row.length) {
|
|
if (self._matchRange(endInfo.end, trailingWhitespaceEnd, 0)) {
|
|
return endInfo;
|
|
}
|
|
}
|
|
return null;
|
|
};
|
|
|
|
I2of5Reader.prototype._findEnd = function () {
|
|
var self = this,
|
|
endInfo,
|
|
tmp;
|
|
|
|
self._row.reverse();
|
|
endInfo = self._findPattern(self.STOP_PATTERN);
|
|
self._row.reverse();
|
|
|
|
if (endInfo === null) {
|
|
return null;
|
|
}
|
|
|
|
// reverse numbers
|
|
tmp = endInfo.start;
|
|
endInfo.start = self._row.length - endInfo.end;
|
|
endInfo.end = self._row.length - tmp;
|
|
|
|
return endInfo !== null ? self._verifyTrailingWhitespace(endInfo) : null;
|
|
};
|
|
|
|
I2of5Reader.prototype._decodePair = function (counterPair) {
|
|
var i,
|
|
code,
|
|
codes = [],
|
|
self = this;
|
|
|
|
for (i = 0; i < counterPair.length; i++) {
|
|
code = self._decodeCode(counterPair[i]);
|
|
if (!code) {
|
|
return null;
|
|
}
|
|
codes.push(code);
|
|
}
|
|
return codes;
|
|
};
|
|
|
|
I2of5Reader.prototype._decodeCode = function (counter) {
|
|
var j,
|
|
self = this,
|
|
sum = 0,
|
|
normalized,
|
|
error,
|
|
epsilon = self.AVG_CODE_ERROR,
|
|
code,
|
|
bestMatch = {
|
|
error: Number.MAX_VALUE,
|
|
code: -1,
|
|
start: 0,
|
|
end: 0
|
|
};
|
|
|
|
for (j = 0; j < counter.length; j++) {
|
|
sum += counter[j];
|
|
}
|
|
normalized = self._normalize(counter);
|
|
if (normalized) {
|
|
for (code = 0; code < self.CODE_PATTERN.length; code++) {
|
|
error = self._matchPattern(normalized, self.CODE_PATTERN[code]);
|
|
if (error < bestMatch.error) {
|
|
bestMatch.code = code;
|
|
bestMatch.error = error;
|
|
}
|
|
}
|
|
if (bestMatch.error < epsilon) {
|
|
return bestMatch;
|
|
}
|
|
}
|
|
return null;
|
|
};
|
|
|
|
I2of5Reader.prototype._decodePayload = function (counters, result, decodedCodes) {
|
|
var i,
|
|
self = this,
|
|
pos = 0,
|
|
counterLength = counters.length,
|
|
counterPair = [[0, 0, 0, 0, 0], [0, 0, 0, 0, 0]],
|
|
codes;
|
|
|
|
while (pos < counterLength) {
|
|
for (i = 0; i < 5; i++) {
|
|
counterPair[0][i] = counters[pos] * this.barSpaceRatio[0];
|
|
counterPair[1][i] = counters[pos + 1] * this.barSpaceRatio[1];
|
|
pos += 2;
|
|
}
|
|
codes = self._decodePair(counterPair);
|
|
if (!codes) {
|
|
return null;
|
|
}
|
|
for (i = 0; i < codes.length; i++) {
|
|
result.push(codes[i].code + "");
|
|
decodedCodes.push(codes[i]);
|
|
}
|
|
}
|
|
return codes;
|
|
};
|
|
|
|
I2of5Reader.prototype._verifyCounterLength = function (counters) {
|
|
return counters.length % 10 === 0;
|
|
};
|
|
|
|
I2of5Reader.prototype._decode = function () {
|
|
var startInfo,
|
|
endInfo,
|
|
self = this,
|
|
code,
|
|
result = [],
|
|
decodedCodes = [],
|
|
counters;
|
|
|
|
startInfo = self._findStart();
|
|
if (!startInfo) {
|
|
return null;
|
|
}
|
|
decodedCodes.push(startInfo);
|
|
|
|
endInfo = self._findEnd();
|
|
if (!endInfo) {
|
|
return null;
|
|
}
|
|
|
|
counters = self._fillCounters(startInfo.end, endInfo.start, false);
|
|
if (!self._verifyCounterLength(counters)) {
|
|
return null;
|
|
}
|
|
code = self._decodePayload(counters, result, decodedCodes);
|
|
if (!code) {
|
|
return null;
|
|
}
|
|
if (result.length % 2 !== 0 || result.length < 6) {
|
|
return null;
|
|
}
|
|
|
|
decodedCodes.push(endInfo);
|
|
return {
|
|
code: result.join(""),
|
|
start: startInfo.start,
|
|
end: endInfo.end,
|
|
startInfo: startInfo,
|
|
decodedCodes: decodedCodes
|
|
};
|
|
};
|
|
|
|
I2of5Reader.CONFIG_KEYS = {
|
|
normalizeBarSpaceWidth: {
|
|
'type': 'boolean',
|
|
'default': false,
|
|
'description': 'If true, the reader tries to normalize the' + 'width-difference between bars and spaces'
|
|
}
|
|
};
|
|
|
|
exports['default'] = I2of5Reader;
|
|
module.exports = exports['default'];
|
|
|
|
/***/ },
|
|
/* 35 */
|
|
/***/ function(module, exports, __webpack_require__) {
|
|
|
|
var baseMerge = __webpack_require__(36),
|
|
createAssigner = __webpack_require__(63);
|
|
|
|
/**
|
|
* Recursively merges own enumerable properties of the source object(s), that
|
|
* don't resolve to `undefined` into the destination object. Subsequent sources
|
|
* overwrite property assignments of previous sources. If `customizer` is
|
|
* provided it's invoked to produce the merged values of the destination and
|
|
* source properties. If `customizer` returns `undefined` merging is handled
|
|
* by the method instead. The `customizer` is bound to `thisArg` and invoked
|
|
* with five arguments: (objectValue, sourceValue, key, object, source).
|
|
*
|
|
* @static
|
|
* @memberOf _
|
|
* @category Object
|
|
* @param {Object} object The destination object.
|
|
* @param {...Object} [sources] The source objects.
|
|
* @param {Function} [customizer] The function to customize assigned values.
|
|
* @param {*} [thisArg] The `this` binding of `customizer`.
|
|
* @returns {Object} Returns `object`.
|
|
* @example
|
|
*
|
|
* var users = {
|
|
* 'data': [{ 'user': 'barney' }, { 'user': 'fred' }]
|
|
* };
|
|
*
|
|
* var ages = {
|
|
* 'data': [{ 'age': 36 }, { 'age': 40 }]
|
|
* };
|
|
*
|
|
* _.merge(users, ages);
|
|
* // => { 'data': [{ 'user': 'barney', 'age': 36 }, { 'user': 'fred', 'age': 40 }] }
|
|
*
|
|
* // using a customizer callback
|
|
* var object = {
|
|
* 'fruits': ['apple'],
|
|
* 'vegetables': ['beet']
|
|
* };
|
|
*
|
|
* var other = {
|
|
* 'fruits': ['banana'],
|
|
* 'vegetables': ['carrot']
|
|
* };
|
|
*
|
|
* _.merge(object, other, function(a, b) {
|
|
* if (_.isArray(a)) {
|
|
* return a.concat(b);
|
|
* }
|
|
* });
|
|
* // => { 'fruits': ['apple', 'banana'], 'vegetables': ['beet', 'carrot'] }
|
|
*/
|
|
var merge = createAssigner(baseMerge);
|
|
|
|
module.exports = merge;
|
|
|
|
|
|
/***/ },
|
|
/* 36 */
|
|
/***/ function(module, exports, __webpack_require__) {
|
|
|
|
var arrayEach = __webpack_require__(37),
|
|
baseMergeDeep = __webpack_require__(38),
|
|
isArray = __webpack_require__(46),
|
|
isArrayLike = __webpack_require__(41),
|
|
isObject = __webpack_require__(50),
|
|
isObjectLike = __webpack_require__(45),
|
|
isTypedArray = __webpack_require__(58),
|
|
keys = __webpack_require__(61);
|
|
|
|
/**
|
|
* The base implementation of `_.merge` without support for argument juggling,
|
|
* multiple sources, and `this` binding `customizer` functions.
|
|
*
|
|
* @private
|
|
* @param {Object} object The destination object.
|
|
* @param {Object} source The source object.
|
|
* @param {Function} [customizer] The function to customize merged values.
|
|
* @param {Array} [stackA=[]] Tracks traversed source objects.
|
|
* @param {Array} [stackB=[]] Associates values with source counterparts.
|
|
* @returns {Object} Returns `object`.
|
|
*/
|
|
function baseMerge(object, source, customizer, stackA, stackB) {
|
|
if (!isObject(object)) {
|
|
return object;
|
|
}
|
|
var isSrcArr = isArrayLike(source) && (isArray(source) || isTypedArray(source)),
|
|
props = isSrcArr ? undefined : keys(source);
|
|
|
|
arrayEach(props || source, function(srcValue, key) {
|
|
if (props) {
|
|
key = srcValue;
|
|
srcValue = source[key];
|
|
}
|
|
if (isObjectLike(srcValue)) {
|
|
stackA || (stackA = []);
|
|
stackB || (stackB = []);
|
|
baseMergeDeep(object, source, key, baseMerge, customizer, stackA, stackB);
|
|
}
|
|
else {
|
|
var value = object[key],
|
|
result = customizer ? customizer(value, srcValue, key, object, source) : undefined,
|
|
isCommon = result === undefined;
|
|
|
|
if (isCommon) {
|
|
result = srcValue;
|
|
}
|
|
if ((result !== undefined || (isSrcArr && !(key in object))) &&
|
|
(isCommon || (result === result ? (result !== value) : (value === value)))) {
|
|
object[key] = result;
|
|
}
|
|
}
|
|
});
|
|
return object;
|
|
}
|
|
|
|
module.exports = baseMerge;
|
|
|
|
|
|
/***/ },
|
|
/* 37 */
|
|
/***/ function(module, exports) {
|
|
|
|
/**
|
|
* A specialized version of `_.forEach` for arrays without support for callback
|
|
* shorthands and `this` binding.
|
|
*
|
|
* @private
|
|
* @param {Array} array The array to iterate over.
|
|
* @param {Function} iteratee The function invoked per iteration.
|
|
* @returns {Array} Returns `array`.
|
|
*/
|
|
function arrayEach(array, iteratee) {
|
|
var index = -1,
|
|
length = array.length;
|
|
|
|
while (++index < length) {
|
|
if (iteratee(array[index], index, array) === false) {
|
|
break;
|
|
}
|
|
}
|
|
return array;
|
|
}
|
|
|
|
module.exports = arrayEach;
|
|
|
|
|
|
/***/ },
|
|
/* 38 */
|
|
/***/ function(module, exports, __webpack_require__) {
|
|
|
|
var arrayCopy = __webpack_require__(39),
|
|
isArguments = __webpack_require__(40),
|
|
isArray = __webpack_require__(46),
|
|
isArrayLike = __webpack_require__(41),
|
|
isPlainObject = __webpack_require__(51),
|
|
isTypedArray = __webpack_require__(58),
|
|
toPlainObject = __webpack_require__(59);
|
|
|
|
/**
|
|
* A specialized version of `baseMerge` for arrays and objects which performs
|
|
* deep merges and tracks traversed objects enabling objects with circular
|
|
* references to be merged.
|
|
*
|
|
* @private
|
|
* @param {Object} object The destination object.
|
|
* @param {Object} source The source object.
|
|
* @param {string} key The key of the value to merge.
|
|
* @param {Function} mergeFunc The function to merge values.
|
|
* @param {Function} [customizer] The function to customize merged values.
|
|
* @param {Array} [stackA=[]] Tracks traversed source objects.
|
|
* @param {Array} [stackB=[]] Associates values with source counterparts.
|
|
* @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
|
|
*/
|
|
function baseMergeDeep(object, source, key, mergeFunc, customizer, stackA, stackB) {
|
|
var length = stackA.length,
|
|
srcValue = source[key];
|
|
|
|
while (length--) {
|
|
if (stackA[length] == srcValue) {
|
|
object[key] = stackB[length];
|
|
return;
|
|
}
|
|
}
|
|
var value = object[key],
|
|
result = customizer ? customizer(value, srcValue, key, object, source) : undefined,
|
|
isCommon = result === undefined;
|
|
|
|
if (isCommon) {
|
|
result = srcValue;
|
|
if (isArrayLike(srcValue) && (isArray(srcValue) || isTypedArray(srcValue))) {
|
|
result = isArray(value)
|
|
? value
|
|
: (isArrayLike(value) ? arrayCopy(value) : []);
|
|
}
|
|
else if (isPlainObject(srcValue) || isArguments(srcValue)) {
|
|
result = isArguments(value)
|
|
? toPlainObject(value)
|
|
: (isPlainObject(value) ? value : {});
|
|
}
|
|
else {
|
|
isCommon = false;
|
|
}
|
|
}
|
|
// Add the source value to the stack of traversed objects and associate
|
|
// it with its merged value.
|
|
stackA.push(srcValue);
|
|
stackB.push(result);
|
|
|
|
if (isCommon) {
|
|
// Recursively merge objects and arrays (susceptible to call stack limits).
|
|
object[key] = mergeFunc(result, srcValue, customizer, stackA, stackB);
|
|
} else if (result === result ? (result !== value) : (value === value)) {
|
|
object[key] = result;
|
|
}
|
|
}
|
|
|
|
module.exports = baseMergeDeep;
|
|
|
|
|
|
/***/ },
|
|
/* 39 */
|
|
/***/ function(module, exports) {
|
|
|
|
/**
|
|
* Copies the values of `source` to `array`.
|
|
*
|
|
* @private
|
|
* @param {Array} source The array to copy values from.
|
|
* @param {Array} [array=[]] The array to copy values to.
|
|
* @returns {Array} Returns `array`.
|
|
*/
|
|
function arrayCopy(source, array) {
|
|
var index = -1,
|
|
length = source.length;
|
|
|
|
array || (array = Array(length));
|
|
while (++index < length) {
|
|
array[index] = source[index];
|
|
}
|
|
return array;
|
|
}
|
|
|
|
module.exports = arrayCopy;
|
|
|
|
|
|
/***/ },
|
|
/* 40 */
|
|
/***/ function(module, exports, __webpack_require__) {
|
|
|
|
var isArrayLike = __webpack_require__(41),
|
|
isObjectLike = __webpack_require__(45);
|
|
|
|
/** Used for native method references. */
|
|
var objectProto = Object.prototype;
|
|
|
|
/** Used to check objects for own properties. */
|
|
var hasOwnProperty = objectProto.hasOwnProperty;
|
|
|
|
/** Native method references. */
|
|
var propertyIsEnumerable = objectProto.propertyIsEnumerable;
|
|
|
|
/**
|
|
* Checks if `value` is classified as an `arguments` object.
|
|
*
|
|
* @static
|
|
* @memberOf _
|
|
* @category Lang
|
|
* @param {*} value The value to check.
|
|
* @returns {boolean} Returns `true` if `value` is correctly classified, else `false`.
|
|
* @example
|
|
*
|
|
* _.isArguments(function() { return arguments; }());
|
|
* // => true
|
|
*
|
|
* _.isArguments([1, 2, 3]);
|
|
* // => false
|
|
*/
|
|
function isArguments(value) {
|
|
return isObjectLike(value) && isArrayLike(value) &&
|
|
hasOwnProperty.call(value, 'callee') && !propertyIsEnumerable.call(value, 'callee');
|
|
}
|
|
|
|
module.exports = isArguments;
|
|
|
|
|
|
/***/ },
|
|
/* 41 */
|
|
/***/ function(module, exports, __webpack_require__) {
|
|
|
|
var getLength = __webpack_require__(42),
|
|
isLength = __webpack_require__(44);
|
|
|
|
/**
|
|
* Checks if `value` is array-like.
|
|
*
|
|
* @private
|
|
* @param {*} value The value to check.
|
|
* @returns {boolean} Returns `true` if `value` is array-like, else `false`.
|
|
*/
|
|
function isArrayLike(value) {
|
|
return value != null && isLength(getLength(value));
|
|
}
|
|
|
|
module.exports = isArrayLike;
|
|
|
|
|
|
/***/ },
|
|
/* 42 */
|
|
/***/ function(module, exports, __webpack_require__) {
|
|
|
|
var baseProperty = __webpack_require__(43);
|
|
|
|
/**
|
|
* Gets the "length" property value of `object`.
|
|
*
|
|
* **Note:** This function is used to avoid a [JIT bug](https://bugs.webkit.org/show_bug.cgi?id=142792)
|
|
* that affects Safari on at least iOS 8.1-8.3 ARM64.
|
|
*
|
|
* @private
|
|
* @param {Object} object The object to query.
|
|
* @returns {*} Returns the "length" value.
|
|
*/
|
|
var getLength = baseProperty('length');
|
|
|
|
module.exports = getLength;
|
|
|
|
|
|
/***/ },
|
|
/* 43 */
|
|
/***/ function(module, exports) {
|
|
|
|
/**
|
|
* The base implementation of `_.property` without support for deep paths.
|
|
*
|
|
* @private
|
|
* @param {string} key The key of the property to get.
|
|
* @returns {Function} Returns the new function.
|
|
*/
|
|
function baseProperty(key) {
|
|
return function(object) {
|
|
return object == null ? undefined : object[key];
|
|
};
|
|
}
|
|
|
|
module.exports = baseProperty;
|
|
|
|
|
|
/***/ },
|
|
/* 44 */
|
|
/***/ function(module, exports) {
|
|
|
|
/**
|
|
* Used as the [maximum length](http://ecma-international.org/ecma-262/6.0/#sec-number.max_safe_integer)
|
|
* of an array-like value.
|
|
*/
|
|
var MAX_SAFE_INTEGER = 9007199254740991;
|
|
|
|
/**
|
|
* Checks if `value` is a valid array-like length.
|
|
*
|
|
* **Note:** This function is based on [`ToLength`](http://ecma-international.org/ecma-262/6.0/#sec-tolength).
|
|
*
|
|
* @private
|
|
* @param {*} value The value to check.
|
|
* @returns {boolean} Returns `true` if `value` is a valid length, else `false`.
|
|
*/
|
|
function isLength(value) {
|
|
return typeof value == 'number' && value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;
|
|
}
|
|
|
|
module.exports = isLength;
|
|
|
|
|
|
/***/ },
|
|
/* 45 */
|
|
/***/ function(module, exports) {
|
|
|
|
/**
|
|
* Checks if `value` is object-like.
|
|
*
|
|
* @private
|
|
* @param {*} value The value to check.
|
|
* @returns {boolean} Returns `true` if `value` is object-like, else `false`.
|
|
*/
|
|
function isObjectLike(value) {
|
|
return !!value && typeof value == 'object';
|
|
}
|
|
|
|
module.exports = isObjectLike;
|
|
|
|
|
|
/***/ },
|
|
/* 46 */
|
|
/***/ function(module, exports, __webpack_require__) {
|
|
|
|
var getNative = __webpack_require__(47),
|
|
isLength = __webpack_require__(44),
|
|
isObjectLike = __webpack_require__(45);
|
|
|
|
/** `Object#toString` result references. */
|
|
var arrayTag = '[object Array]';
|
|
|
|
/** Used for native method references. */
|
|
var objectProto = Object.prototype;
|
|
|
|
/**
|
|
* Used to resolve the [`toStringTag`](http://ecma-international.org/ecma-262/6.0/#sec-object.prototype.tostring)
|
|
* of values.
|
|
*/
|
|
var objToString = objectProto.toString;
|
|
|
|
/* Native method references for those with the same name as other `lodash` methods. */
|
|
var nativeIsArray = getNative(Array, 'isArray');
|
|
|
|
/**
|
|
* Checks if `value` is classified as an `Array` object.
|
|
*
|
|
* @static
|
|
* @memberOf _
|
|
* @category Lang
|
|
* @param {*} value The value to check.
|
|
* @returns {boolean} Returns `true` if `value` is correctly classified, else `false`.
|
|
* @example
|
|
*
|
|
* _.isArray([1, 2, 3]);
|
|
* // => true
|
|
*
|
|
* _.isArray(function() { return arguments; }());
|
|
* // => false
|
|
*/
|
|
var isArray = nativeIsArray || function(value) {
|
|
return isObjectLike(value) && isLength(value.length) && objToString.call(value) == arrayTag;
|
|
};
|
|
|
|
module.exports = isArray;
|
|
|
|
|
|
/***/ },
|
|
/* 47 */
|
|
/***/ function(module, exports, __webpack_require__) {
|
|
|
|
var isNative = __webpack_require__(48);
|
|
|
|
/**
|
|
* Gets the native function at `key` of `object`.
|
|
*
|
|
* @private
|
|
* @param {Object} object The object to query.
|
|
* @param {string} key The key of the method to get.
|
|
* @returns {*} Returns the function if it's native, else `undefined`.
|
|
*/
|
|
function getNative(object, key) {
|
|
var value = object == null ? undefined : object[key];
|
|
return isNative(value) ? value : undefined;
|
|
}
|
|
|
|
module.exports = getNative;
|
|
|
|
|
|
/***/ },
|
|
/* 48 */
|
|
/***/ function(module, exports, __webpack_require__) {
|
|
|
|
var isFunction = __webpack_require__(49),
|
|
isObjectLike = __webpack_require__(45);
|
|
|
|
/** Used to detect host constructors (Safari > 5). */
|
|
var reIsHostCtor = /^\[object .+?Constructor\]$/;
|
|
|
|
/** Used for native method references. */
|
|
var objectProto = Object.prototype;
|
|
|
|
/** Used to resolve the decompiled source of functions. */
|
|
var fnToString = Function.prototype.toString;
|
|
|
|
/** Used to check objects for own properties. */
|
|
var hasOwnProperty = objectProto.hasOwnProperty;
|
|
|
|
/** Used to detect if a method is native. */
|
|
var reIsNative = RegExp('^' +
|
|
fnToString.call(hasOwnProperty).replace(/[\\^$.*+?()[\]{}|]/g, '\\$&')
|
|
.replace(/hasOwnProperty|(function).*?(?=\\\()| for .+?(?=\\\])/g, '$1.*?') + '$'
|
|
);
|
|
|
|
/**
|
|
* Checks if `value` is a native function.
|
|
*
|
|
* @static
|
|
* @memberOf _
|
|
* @category Lang
|
|
* @param {*} value The value to check.
|
|
* @returns {boolean} Returns `true` if `value` is a native function, else `false`.
|
|
* @example
|
|
*
|
|
* _.isNative(Array.prototype.push);
|
|
* // => true
|
|
*
|
|
* _.isNative(_);
|
|
* // => false
|
|
*/
|
|
function isNative(value) {
|
|
if (value == null) {
|
|
return false;
|
|
}
|
|
if (isFunction(value)) {
|
|
return reIsNative.test(fnToString.call(value));
|
|
}
|
|
return isObjectLike(value) && reIsHostCtor.test(value);
|
|
}
|
|
|
|
module.exports = isNative;
|
|
|
|
|
|
/***/ },
|
|
/* 49 */
|
|
/***/ function(module, exports, __webpack_require__) {
|
|
|
|
var isObject = __webpack_require__(50);
|
|
|
|
/** `Object#toString` result references. */
|
|
var funcTag = '[object Function]';
|
|
|
|
/** Used for native method references. */
|
|
var objectProto = Object.prototype;
|
|
|
|
/**
|
|
* Used to resolve the [`toStringTag`](http://ecma-international.org/ecma-262/6.0/#sec-object.prototype.tostring)
|
|
* of values.
|
|
*/
|
|
var objToString = objectProto.toString;
|
|
|
|
/**
|
|
* Checks if `value` is classified as a `Function` object.
|
|
*
|
|
* @static
|
|
* @memberOf _
|
|
* @category Lang
|
|
* @param {*} value The value to check.
|
|
* @returns {boolean} Returns `true` if `value` is correctly classified, else `false`.
|
|
* @example
|
|
*
|
|
* _.isFunction(_);
|
|
* // => true
|
|
*
|
|
* _.isFunction(/abc/);
|
|
* // => false
|
|
*/
|
|
function isFunction(value) {
|
|
// The use of `Object#toString` avoids issues with the `typeof` operator
|
|
// in older versions of Chrome and Safari which return 'function' for regexes
|
|
// and Safari 8 which returns 'object' for typed array constructors.
|
|
return isObject(value) && objToString.call(value) == funcTag;
|
|
}
|
|
|
|
module.exports = isFunction;
|
|
|
|
|
|
/***/ },
|
|
/* 50 */
|
|
/***/ function(module, exports) {
|
|
|
|
/**
|
|
* Checks if `value` is the [language type](https://es5.github.io/#x8) of `Object`.
|
|
* (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
|
|
*
|
|
* @static
|
|
* @memberOf _
|
|
* @category Lang
|
|
* @param {*} value The value to check.
|
|
* @returns {boolean} Returns `true` if `value` is an object, else `false`.
|
|
* @example
|
|
*
|
|
* _.isObject({});
|
|
* // => true
|
|
*
|
|
* _.isObject([1, 2, 3]);
|
|
* // => true
|
|
*
|
|
* _.isObject(1);
|
|
* // => false
|
|
*/
|
|
function isObject(value) {
|
|
// Avoid a V8 JIT bug in Chrome 19-20.
|
|
// See https://code.google.com/p/v8/issues/detail?id=2291 for more details.
|
|
var type = typeof value;
|
|
return !!value && (type == 'object' || type == 'function');
|
|
}
|
|
|
|
module.exports = isObject;
|
|
|
|
|
|
/***/ },
|
|
/* 51 */
|
|
/***/ function(module, exports, __webpack_require__) {
|
|
|
|
var baseForIn = __webpack_require__(52),
|
|
isArguments = __webpack_require__(40),
|
|
isObjectLike = __webpack_require__(45);
|
|
|
|
/** `Object#toString` result references. */
|
|
var objectTag = '[object Object]';
|
|
|
|
/** Used for native method references. */
|
|
var objectProto = Object.prototype;
|
|
|
|
/** Used to check objects for own properties. */
|
|
var hasOwnProperty = objectProto.hasOwnProperty;
|
|
|
|
/**
|
|
* Used to resolve the [`toStringTag`](http://ecma-international.org/ecma-262/6.0/#sec-object.prototype.tostring)
|
|
* of values.
|
|
*/
|
|
var objToString = objectProto.toString;
|
|
|
|
/**
|
|
* Checks if `value` is a plain object, that is, an object created by the
|
|
* `Object` constructor or one with a `[[Prototype]]` of `null`.
|
|
*
|
|
* **Note:** This method assumes objects created by the `Object` constructor
|
|
* have no inherited enumerable properties.
|
|
*
|
|
* @static
|
|
* @memberOf _
|
|
* @category Lang
|
|
* @param {*} value The value to check.
|
|
* @returns {boolean} Returns `true` if `value` is a plain object, else `false`.
|
|
* @example
|
|
*
|
|
* function Foo() {
|
|
* this.a = 1;
|
|
* }
|
|
*
|
|
* _.isPlainObject(new Foo);
|
|
* // => false
|
|
*
|
|
* _.isPlainObject([1, 2, 3]);
|
|
* // => false
|
|
*
|
|
* _.isPlainObject({ 'x': 0, 'y': 0 });
|
|
* // => true
|
|
*
|
|
* _.isPlainObject(Object.create(null));
|
|
* // => true
|
|
*/
|
|
function isPlainObject(value) {
|
|
var Ctor;
|
|
|
|
// Exit early for non `Object` objects.
|
|
if (!(isObjectLike(value) && objToString.call(value) == objectTag && !isArguments(value)) ||
|
|
(!hasOwnProperty.call(value, 'constructor') && (Ctor = value.constructor, typeof Ctor == 'function' && !(Ctor instanceof Ctor)))) {
|
|
return false;
|
|
}
|
|
// IE < 9 iterates inherited properties before own properties. If the first
|
|
// iterated property is an object's own property then there are no inherited
|
|
// enumerable properties.
|
|
var result;
|
|
// In most environments an object's own properties are iterated before
|
|
// its inherited properties. If the last iterated property is an object's
|
|
// own property then there are no inherited enumerable properties.
|
|
baseForIn(value, function(subValue, key) {
|
|
result = key;
|
|
});
|
|
return result === undefined || hasOwnProperty.call(value, result);
|
|
}
|
|
|
|
module.exports = isPlainObject;
|
|
|
|
|
|
/***/ },
|
|
/* 52 */
|
|
/***/ function(module, exports, __webpack_require__) {
|
|
|
|
var baseFor = __webpack_require__(53),
|
|
keysIn = __webpack_require__(56);
|
|
|
|
/**
|
|
* The base implementation of `_.forIn` without support for callback
|
|
* shorthands and `this` binding.
|
|
*
|
|
* @private
|
|
* @param {Object} object The object to iterate over.
|
|
* @param {Function} iteratee The function invoked per iteration.
|
|
* @returns {Object} Returns `object`.
|
|
*/
|
|
function baseForIn(object, iteratee) {
|
|
return baseFor(object, iteratee, keysIn);
|
|
}
|
|
|
|
module.exports = baseForIn;
|
|
|
|
|
|
/***/ },
|
|
/* 53 */
|
|
/***/ function(module, exports, __webpack_require__) {
|
|
|
|
var createBaseFor = __webpack_require__(54);
|
|
|
|
/**
|
|
* The base implementation of `baseForIn` and `baseForOwn` which iterates
|
|
* over `object` properties returned by `keysFunc` invoking `iteratee` for
|
|
* each property. Iteratee functions may exit iteration early by explicitly
|
|
* returning `false`.
|
|
*
|
|
* @private
|
|
* @param {Object} object The object to iterate over.
|
|
* @param {Function} iteratee The function invoked per iteration.
|
|
* @param {Function} keysFunc The function to get the keys of `object`.
|
|
* @returns {Object} Returns `object`.
|
|
*/
|
|
var baseFor = createBaseFor();
|
|
|
|
module.exports = baseFor;
|
|
|
|
|
|
/***/ },
|
|
/* 54 */
|
|
/***/ function(module, exports, __webpack_require__) {
|
|
|
|
var toObject = __webpack_require__(55);
|
|
|
|
/**
|
|
* Creates a base function for `_.forIn` or `_.forInRight`.
|
|
*
|
|
* @private
|
|
* @param {boolean} [fromRight] Specify iterating from right to left.
|
|
* @returns {Function} Returns the new base function.
|
|
*/
|
|
function createBaseFor(fromRight) {
|
|
return function(object, iteratee, keysFunc) {
|
|
var iterable = toObject(object),
|
|
props = keysFunc(object),
|
|
length = props.length,
|
|
index = fromRight ? length : -1;
|
|
|
|
while ((fromRight ? index-- : ++index < length)) {
|
|
var key = props[index];
|
|
if (iteratee(iterable[key], key, iterable) === false) {
|
|
break;
|
|
}
|
|
}
|
|
return object;
|
|
};
|
|
}
|
|
|
|
module.exports = createBaseFor;
|
|
|
|
|
|
/***/ },
|
|
/* 55 */
|
|
/***/ function(module, exports, __webpack_require__) {
|
|
|
|
var isObject = __webpack_require__(50);
|
|
|
|
/**
|
|
* Converts `value` to an object if it's not one.
|
|
*
|
|
* @private
|
|
* @param {*} value The value to process.
|
|
* @returns {Object} Returns the object.
|
|
*/
|
|
function toObject(value) {
|
|
return isObject(value) ? value : Object(value);
|
|
}
|
|
|
|
module.exports = toObject;
|
|
|
|
|
|
/***/ },
|
|
/* 56 */
|
|
/***/ function(module, exports, __webpack_require__) {
|
|
|
|
var isArguments = __webpack_require__(40),
|
|
isArray = __webpack_require__(46),
|
|
isIndex = __webpack_require__(57),
|
|
isLength = __webpack_require__(44),
|
|
isObject = __webpack_require__(50);
|
|
|
|
/** Used for native method references. */
|
|
var objectProto = Object.prototype;
|
|
|
|
/** Used to check objects for own properties. */
|
|
var hasOwnProperty = objectProto.hasOwnProperty;
|
|
|
|
/**
|
|
* Creates an array of the own and inherited enumerable property names of `object`.
|
|
*
|
|
* **Note:** Non-object values are coerced to objects.
|
|
*
|
|
* @static
|
|
* @memberOf _
|
|
* @category Object
|
|
* @param {Object} object The object to query.
|
|
* @returns {Array} Returns the array of property names.
|
|
* @example
|
|
*
|
|
* function Foo() {
|
|
* this.a = 1;
|
|
* this.b = 2;
|
|
* }
|
|
*
|
|
* Foo.prototype.c = 3;
|
|
*
|
|
* _.keysIn(new Foo);
|
|
* // => ['a', 'b', 'c'] (iteration order is not guaranteed)
|
|
*/
|
|
function keysIn(object) {
|
|
if (object == null) {
|
|
return [];
|
|
}
|
|
if (!isObject(object)) {
|
|
object = Object(object);
|
|
}
|
|
var length = object.length;
|
|
length = (length && isLength(length) &&
|
|
(isArray(object) || isArguments(object)) && length) || 0;
|
|
|
|
var Ctor = object.constructor,
|
|
index = -1,
|
|
isProto = typeof Ctor == 'function' && Ctor.prototype === object,
|
|
result = Array(length),
|
|
skipIndexes = length > 0;
|
|
|
|
while (++index < length) {
|
|
result[index] = (index + '');
|
|
}
|
|
for (var key in object) {
|
|
if (!(skipIndexes && isIndex(key, length)) &&
|
|
!(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) {
|
|
result.push(key);
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
module.exports = keysIn;
|
|
|
|
|
|
/***/ },
|
|
/* 57 */
|
|
/***/ function(module, exports) {
|
|
|
|
/** Used to detect unsigned integer values. */
|
|
var reIsUint = /^\d+$/;
|
|
|
|
/**
|
|
* Used as the [maximum length](http://ecma-international.org/ecma-262/6.0/#sec-number.max_safe_integer)
|
|
* of an array-like value.
|
|
*/
|
|
var MAX_SAFE_INTEGER = 9007199254740991;
|
|
|
|
/**
|
|
* Checks if `value` is a valid array-like index.
|
|
*
|
|
* @private
|
|
* @param {*} value The value to check.
|
|
* @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.
|
|
* @returns {boolean} Returns `true` if `value` is a valid index, else `false`.
|
|
*/
|
|
function isIndex(value, length) {
|
|
value = (typeof value == 'number' || reIsUint.test(value)) ? +value : -1;
|
|
length = length == null ? MAX_SAFE_INTEGER : length;
|
|
return value > -1 && value % 1 == 0 && value < length;
|
|
}
|
|
|
|
module.exports = isIndex;
|
|
|
|
|
|
/***/ },
|
|
/* 58 */
|
|
/***/ function(module, exports, __webpack_require__) {
|
|
|
|
var isLength = __webpack_require__(44),
|
|
isObjectLike = __webpack_require__(45);
|
|
|
|
/** `Object#toString` result references. */
|
|
var argsTag = '[object Arguments]',
|
|
arrayTag = '[object Array]',
|
|
boolTag = '[object Boolean]',
|
|
dateTag = '[object Date]',
|
|
errorTag = '[object Error]',
|
|
funcTag = '[object Function]',
|
|
mapTag = '[object Map]',
|
|
numberTag = '[object Number]',
|
|
objectTag = '[object Object]',
|
|
regexpTag = '[object RegExp]',
|
|
setTag = '[object Set]',
|
|
stringTag = '[object String]',
|
|
weakMapTag = '[object WeakMap]';
|
|
|
|
var arrayBufferTag = '[object ArrayBuffer]',
|
|
float32Tag = '[object Float32Array]',
|
|
float64Tag = '[object Float64Array]',
|
|
int8Tag = '[object Int8Array]',
|
|
int16Tag = '[object Int16Array]',
|
|
int32Tag = '[object Int32Array]',
|
|
uint8Tag = '[object Uint8Array]',
|
|
uint8ClampedTag = '[object Uint8ClampedArray]',
|
|
uint16Tag = '[object Uint16Array]',
|
|
uint32Tag = '[object Uint32Array]';
|
|
|
|
/** Used to identify `toStringTag` values of typed arrays. */
|
|
var typedArrayTags = {};
|
|
typedArrayTags[float32Tag] = typedArrayTags[float64Tag] =
|
|
typedArrayTags[int8Tag] = typedArrayTags[int16Tag] =
|
|
typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] =
|
|
typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] =
|
|
typedArrayTags[uint32Tag] = true;
|
|
typedArrayTags[argsTag] = typedArrayTags[arrayTag] =
|
|
typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] =
|
|
typedArrayTags[dateTag] = typedArrayTags[errorTag] =
|
|
typedArrayTags[funcTag] = typedArrayTags[mapTag] =
|
|
typedArrayTags[numberTag] = typedArrayTags[objectTag] =
|
|
typedArrayTags[regexpTag] = typedArrayTags[setTag] =
|
|
typedArrayTags[stringTag] = typedArrayTags[weakMapTag] = false;
|
|
|
|
/** Used for native method references. */
|
|
var objectProto = Object.prototype;
|
|
|
|
/**
|
|
* Used to resolve the [`toStringTag`](http://ecma-international.org/ecma-262/6.0/#sec-object.prototype.tostring)
|
|
* of values.
|
|
*/
|
|
var objToString = objectProto.toString;
|
|
|
|
/**
|
|
* Checks if `value` is classified as a typed array.
|
|
*
|
|
* @static
|
|
* @memberOf _
|
|
* @category Lang
|
|
* @param {*} value The value to check.
|
|
* @returns {boolean} Returns `true` if `value` is correctly classified, else `false`.
|
|
* @example
|
|
*
|
|
* _.isTypedArray(new Uint8Array);
|
|
* // => true
|
|
*
|
|
* _.isTypedArray([]);
|
|
* // => false
|
|
*/
|
|
function isTypedArray(value) {
|
|
return isObjectLike(value) && isLength(value.length) && !!typedArrayTags[objToString.call(value)];
|
|
}
|
|
|
|
module.exports = isTypedArray;
|
|
|
|
|
|
/***/ },
|
|
/* 59 */
|
|
/***/ function(module, exports, __webpack_require__) {
|
|
|
|
var baseCopy = __webpack_require__(60),
|
|
keysIn = __webpack_require__(56);
|
|
|
|
/**
|
|
* Converts `value` to a plain object flattening inherited enumerable
|
|
* properties of `value` to own properties of the plain object.
|
|
*
|
|
* @static
|
|
* @memberOf _
|
|
* @category Lang
|
|
* @param {*} value The value to convert.
|
|
* @returns {Object} Returns the converted plain object.
|
|
* @example
|
|
*
|
|
* function Foo() {
|
|
* this.b = 2;
|
|
* }
|
|
*
|
|
* Foo.prototype.c = 3;
|
|
*
|
|
* _.assign({ 'a': 1 }, new Foo);
|
|
* // => { 'a': 1, 'b': 2 }
|
|
*
|
|
* _.assign({ 'a': 1 }, _.toPlainObject(new Foo));
|
|
* // => { 'a': 1, 'b': 2, 'c': 3 }
|
|
*/
|
|
function toPlainObject(value) {
|
|
return baseCopy(value, keysIn(value));
|
|
}
|
|
|
|
module.exports = toPlainObject;
|
|
|
|
|
|
/***/ },
|
|
/* 60 */
|
|
/***/ function(module, exports) {
|
|
|
|
/**
|
|
* Copies properties of `source` to `object`.
|
|
*
|
|
* @private
|
|
* @param {Object} source The object to copy properties from.
|
|
* @param {Array} props The property names to copy.
|
|
* @param {Object} [object={}] The object to copy properties to.
|
|
* @returns {Object} Returns `object`.
|
|
*/
|
|
function baseCopy(source, props, object) {
|
|
object || (object = {});
|
|
|
|
var index = -1,
|
|
length = props.length;
|
|
|
|
while (++index < length) {
|
|
var key = props[index];
|
|
object[key] = source[key];
|
|
}
|
|
return object;
|
|
}
|
|
|
|
module.exports = baseCopy;
|
|
|
|
|
|
/***/ },
|
|
/* 61 */
|
|
/***/ function(module, exports, __webpack_require__) {
|
|
|
|
var getNative = __webpack_require__(47),
|
|
isArrayLike = __webpack_require__(41),
|
|
isObject = __webpack_require__(50),
|
|
shimKeys = __webpack_require__(62);
|
|
|
|
/* Native method references for those with the same name as other `lodash` methods. */
|
|
var nativeKeys = getNative(Object, 'keys');
|
|
|
|
/**
|
|
* Creates an array of the own enumerable property names of `object`.
|
|
*
|
|
* **Note:** Non-object values are coerced to objects. See the
|
|
* [ES spec](http://ecma-international.org/ecma-262/6.0/#sec-object.keys)
|
|
* for more details.
|
|
*
|
|
* @static
|
|
* @memberOf _
|
|
* @category Object
|
|
* @param {Object} object The object to query.
|
|
* @returns {Array} Returns the array of property names.
|
|
* @example
|
|
*
|
|
* function Foo() {
|
|
* this.a = 1;
|
|
* this.b = 2;
|
|
* }
|
|
*
|
|
* Foo.prototype.c = 3;
|
|
*
|
|
* _.keys(new Foo);
|
|
* // => ['a', 'b'] (iteration order is not guaranteed)
|
|
*
|
|
* _.keys('hi');
|
|
* // => ['0', '1']
|
|
*/
|
|
var keys = !nativeKeys ? shimKeys : function(object) {
|
|
var Ctor = object == null ? undefined : object.constructor;
|
|
if ((typeof Ctor == 'function' && Ctor.prototype === object) ||
|
|
(typeof object != 'function' && isArrayLike(object))) {
|
|
return shimKeys(object);
|
|
}
|
|
return isObject(object) ? nativeKeys(object) : [];
|
|
};
|
|
|
|
module.exports = keys;
|
|
|
|
|
|
/***/ },
|
|
/* 62 */
|
|
/***/ function(module, exports, __webpack_require__) {
|
|
|
|
var isArguments = __webpack_require__(40),
|
|
isArray = __webpack_require__(46),
|
|
isIndex = __webpack_require__(57),
|
|
isLength = __webpack_require__(44),
|
|
keysIn = __webpack_require__(56);
|
|
|
|
/** Used for native method references. */
|
|
var objectProto = Object.prototype;
|
|
|
|
/** Used to check objects for own properties. */
|
|
var hasOwnProperty = objectProto.hasOwnProperty;
|
|
|
|
/**
|
|
* A fallback implementation of `Object.keys` which creates an array of the
|
|
* own enumerable property names of `object`.
|
|
*
|
|
* @private
|
|
* @param {Object} object The object to query.
|
|
* @returns {Array} Returns the array of property names.
|
|
*/
|
|
function shimKeys(object) {
|
|
var props = keysIn(object),
|
|
propsLength = props.length,
|
|
length = propsLength && object.length;
|
|
|
|
var allowIndexes = !!length && isLength(length) &&
|
|
(isArray(object) || isArguments(object));
|
|
|
|
var index = -1,
|
|
result = [];
|
|
|
|
while (++index < propsLength) {
|
|
var key = props[index];
|
|
if ((allowIndexes && isIndex(key, length)) || hasOwnProperty.call(object, key)) {
|
|
result.push(key);
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
module.exports = shimKeys;
|
|
|
|
|
|
/***/ },
|
|
/* 63 */
|
|
/***/ function(module, exports, __webpack_require__) {
|
|
|
|
var bindCallback = __webpack_require__(64),
|
|
isIterateeCall = __webpack_require__(66),
|
|
restParam = __webpack_require__(67);
|
|
|
|
/**
|
|
* Creates a `_.assign`, `_.defaults`, or `_.merge` function.
|
|
*
|
|
* @private
|
|
* @param {Function} assigner The function to assign values.
|
|
* @returns {Function} Returns the new assigner function.
|
|
*/
|
|
function createAssigner(assigner) {
|
|
return restParam(function(object, sources) {
|
|
var index = -1,
|
|
length = object == null ? 0 : sources.length,
|
|
customizer = length > 2 ? sources[length - 2] : undefined,
|
|
guard = length > 2 ? sources[2] : undefined,
|
|
thisArg = length > 1 ? sources[length - 1] : undefined;
|
|
|
|
if (typeof customizer == 'function') {
|
|
customizer = bindCallback(customizer, thisArg, 5);
|
|
length -= 2;
|
|
} else {
|
|
customizer = typeof thisArg == 'function' ? thisArg : undefined;
|
|
length -= (customizer ? 1 : 0);
|
|
}
|
|
if (guard && isIterateeCall(sources[0], sources[1], guard)) {
|
|
customizer = length < 3 ? undefined : customizer;
|
|
length = 1;
|
|
}
|
|
while (++index < length) {
|
|
var source = sources[index];
|
|
if (source) {
|
|
assigner(object, source, customizer);
|
|
}
|
|
}
|
|
return object;
|
|
});
|
|
}
|
|
|
|
module.exports = createAssigner;
|
|
|
|
|
|
/***/ },
|
|
/* 64 */
|
|
/***/ function(module, exports, __webpack_require__) {
|
|
|
|
var identity = __webpack_require__(65);
|
|
|
|
/**
|
|
* A specialized version of `baseCallback` which only supports `this` binding
|
|
* and specifying the number of arguments to provide to `func`.
|
|
*
|
|
* @private
|
|
* @param {Function} func The function to bind.
|
|
* @param {*} thisArg The `this` binding of `func`.
|
|
* @param {number} [argCount] The number of arguments to provide to `func`.
|
|
* @returns {Function} Returns the callback.
|
|
*/
|
|
function bindCallback(func, thisArg, argCount) {
|
|
if (typeof func != 'function') {
|
|
return identity;
|
|
}
|
|
if (thisArg === undefined) {
|
|
return func;
|
|
}
|
|
switch (argCount) {
|
|
case 1: return function(value) {
|
|
return func.call(thisArg, value);
|
|
};
|
|
case 3: return function(value, index, collection) {
|
|
return func.call(thisArg, value, index, collection);
|
|
};
|
|
case 4: return function(accumulator, value, index, collection) {
|
|
return func.call(thisArg, accumulator, value, index, collection);
|
|
};
|
|
case 5: return function(value, other, key, object, source) {
|
|
return func.call(thisArg, value, other, key, object, source);
|
|
};
|
|
}
|
|
return function() {
|
|
return func.apply(thisArg, arguments);
|
|
};
|
|
}
|
|
|
|
module.exports = bindCallback;
|
|
|
|
|
|
/***/ },
|
|
/* 65 */
|
|
/***/ function(module, exports) {
|
|
|
|
/**
|
|
* This method returns the first argument provided to it.
|
|
*
|
|
* @static
|
|
* @memberOf _
|
|
* @category Utility
|
|
* @param {*} value Any value.
|
|
* @returns {*} Returns `value`.
|
|
* @example
|
|
*
|
|
* var object = { 'user': 'fred' };
|
|
*
|
|
* _.identity(object) === object;
|
|
* // => true
|
|
*/
|
|
function identity(value) {
|
|
return value;
|
|
}
|
|
|
|
module.exports = identity;
|
|
|
|
|
|
/***/ },
|
|
/* 66 */
|
|
/***/ function(module, exports, __webpack_require__) {
|
|
|
|
var isArrayLike = __webpack_require__(41),
|
|
isIndex = __webpack_require__(57),
|
|
isObject = __webpack_require__(50);
|
|
|
|
/**
|
|
* Checks if the provided arguments are from an iteratee call.
|
|
*
|
|
* @private
|
|
* @param {*} value The potential iteratee value argument.
|
|
* @param {*} index The potential iteratee index or key argument.
|
|
* @param {*} object The potential iteratee object argument.
|
|
* @returns {boolean} Returns `true` if the arguments are from an iteratee call, else `false`.
|
|
*/
|
|
function isIterateeCall(value, index, object) {
|
|
if (!isObject(object)) {
|
|
return false;
|
|
}
|
|
var type = typeof index;
|
|
if (type == 'number'
|
|
? (isArrayLike(object) && isIndex(index, object.length))
|
|
: (type == 'string' && index in object)) {
|
|
var other = object[index];
|
|
return value === value ? (value === other) : (other !== other);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
module.exports = isIterateeCall;
|
|
|
|
|
|
/***/ },
|
|
/* 67 */
|
|
/***/ function(module, exports) {
|
|
|
|
/** Used as the `TypeError` message for "Functions" methods. */
|
|
var FUNC_ERROR_TEXT = 'Expected a function';
|
|
|
|
/* Native method references for those with the same name as other `lodash` methods. */
|
|
var nativeMax = Math.max;
|
|
|
|
/**
|
|
* Creates a function that invokes `func` with the `this` binding of the
|
|
* created function and arguments from `start` and beyond provided as an array.
|
|
*
|
|
* **Note:** This method is based on the [rest parameter](https://developer.mozilla.org/Web/JavaScript/Reference/Functions/rest_parameters).
|
|
*
|
|
* @static
|
|
* @memberOf _
|
|
* @category Function
|
|
* @param {Function} func The function to apply a rest parameter to.
|
|
* @param {number} [start=func.length-1] The start position of the rest parameter.
|
|
* @returns {Function} Returns the new function.
|
|
* @example
|
|
*
|
|
* var say = _.restParam(function(what, names) {
|
|
* return what + ' ' + _.initial(names).join(', ') +
|
|
* (_.size(names) > 1 ? ', & ' : '') + _.last(names);
|
|
* });
|
|
*
|
|
* say('hello', 'fred', 'barney', 'pebbles');
|
|
* // => 'hello fred, barney, & pebbles'
|
|
*/
|
|
function restParam(func, start) {
|
|
if (typeof func != 'function') {
|
|
throw new TypeError(FUNC_ERROR_TEXT);
|
|
}
|
|
start = nativeMax(start === undefined ? (func.length - 1) : (+start || 0), 0);
|
|
return function() {
|
|
var args = arguments,
|
|
index = -1,
|
|
length = nativeMax(args.length - start, 0),
|
|
rest = Array(length);
|
|
|
|
while (++index < length) {
|
|
rest[index] = args[start + index];
|
|
}
|
|
switch (start) {
|
|
case 0: return func.call(this, rest);
|
|
case 1: return func.call(this, args[0], rest);
|
|
case 2: return func.call(this, args[0], args[1], rest);
|
|
}
|
|
var otherArgs = Array(start + 1);
|
|
index = -1;
|
|
while (++index < start) {
|
|
otherArgs[index] = args[index];
|
|
}
|
|
otherArgs[start] = rest;
|
|
return func.apply(this, otherArgs);
|
|
};
|
|
}
|
|
|
|
module.exports = restParam;
|
|
|
|
|
|
/***/ },
|
|
/* 68 */
|
|
/***/ function(module, exports) {
|
|
|
|
"use strict";
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
exports["default"] = {
|
|
inputStream: {
|
|
name: "Live",
|
|
type: "LiveStream",
|
|
constraints: {
|
|
width: 640,
|
|
height: 480,
|
|
minAspectRatio: 0,
|
|
maxAspectRatio: 100,
|
|
facing: "environment" // or user
|
|
},
|
|
area: {
|
|
top: "0%",
|
|
right: "0%",
|
|
left: "0%",
|
|
bottom: "0%"
|
|
},
|
|
singleChannel: false // true: only the red color-channel is read
|
|
},
|
|
tracking: false,
|
|
debug: false,
|
|
controls: false,
|
|
locate: true,
|
|
numOfWorkers: 4,
|
|
visual: {
|
|
show: true
|
|
},
|
|
decoder: {
|
|
drawBoundingBox: false,
|
|
showFrequency: false,
|
|
drawScanline: false,
|
|
showPattern: false,
|
|
readers: ['code_128_reader']
|
|
},
|
|
locator: {
|
|
halfSample: true,
|
|
patchSize: "medium", // x-small, small, medium, large, x-large
|
|
showCanvas: false,
|
|
showPatches: false,
|
|
showFoundPatches: false,
|
|
showSkeleton: false,
|
|
showLabels: false,
|
|
showPatchLabels: false,
|
|
showRemainingPatchLabels: false,
|
|
boxFromPatches: {
|
|
showTransformed: false,
|
|
showTransformedBox: false,
|
|
showBB: false
|
|
}
|
|
}
|
|
};
|
|
module.exports = exports["default"];
|
|
|
|
/***/ },
|
|
/* 69 */
|
|
/***/ function(module, exports) {
|
|
|
|
"use strict";
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
|
|
exports["default"] = (function () {
|
|
var events = {};
|
|
|
|
function getEvent(eventName) {
|
|
if (!events[eventName]) {
|
|
events[eventName] = {
|
|
subscribers: []
|
|
};
|
|
}
|
|
return events[eventName];
|
|
}
|
|
|
|
function clearEvents() {
|
|
events = {};
|
|
}
|
|
|
|
function publishSubscription(subscription, data) {
|
|
if (subscription.async) {
|
|
setTimeout(function () {
|
|
subscription.callback(data);
|
|
}, 4);
|
|
} else {
|
|
subscription.callback(data);
|
|
}
|
|
}
|
|
|
|
function _subscribe(event, callback, async) {
|
|
var subscription;
|
|
|
|
if (typeof callback === "function") {
|
|
subscription = {
|
|
callback: callback,
|
|
async: async
|
|
};
|
|
} else {
|
|
subscription = callback;
|
|
if (!subscription.callback) {
|
|
throw "Callback was not specified on options";
|
|
}
|
|
}
|
|
|
|
getEvent(event).subscribers.push(subscription);
|
|
}
|
|
|
|
return {
|
|
subscribe: function subscribe(event, callback, async) {
|
|
return _subscribe(event, callback, async);
|
|
},
|
|
publish: function publish(eventName, data) {
|
|
var event = getEvent(eventName),
|
|
subscribers = event.subscribers;
|
|
|
|
event.subscribers = subscribers.filter(function (subscriber) {
|
|
publishSubscription(subscriber, data);
|
|
return !subscriber.once;
|
|
});
|
|
},
|
|
once: function once(event, callback, async) {
|
|
_subscribe(event, {
|
|
callback: callback,
|
|
async: async,
|
|
once: true
|
|
});
|
|
},
|
|
unsubscribe: function unsubscribe(eventName, callback) {
|
|
var event;
|
|
|
|
if (eventName) {
|
|
event = getEvent(eventName);
|
|
if (event && callback) {
|
|
event.subscribers = event.subscribers.filter(function (subscriber) {
|
|
return subscriber.callback !== callback;
|
|
});
|
|
} else {
|
|
event.subscribers = [];
|
|
}
|
|
} else {
|
|
clearEvents();
|
|
}
|
|
}
|
|
};
|
|
})();
|
|
|
|
module.exports = exports["default"];
|
|
|
|
/***/ },
|
|
/* 70 */
|
|
/***/ function(module, exports, __webpack_require__) {
|
|
|
|
'use strict';
|
|
|
|
Object.defineProperty(exports, '__esModule', {
|
|
value: true
|
|
});
|
|
var merge = __webpack_require__(35);
|
|
|
|
var streamRef, loadedDataHandler;
|
|
|
|
/**
|
|
* Wraps browser-specific getUserMedia
|
|
* @param {Object} constraints
|
|
* @param {Object} success Callback
|
|
* @param {Object} failure Callback
|
|
*/
|
|
function getUserMedia(constraints, success, failure) {
|
|
if (typeof navigator.getUserMedia !== 'undefined') {
|
|
navigator.getUserMedia(constraints, function (stream) {
|
|
streamRef = stream;
|
|
var videoSrc = window.URL && window.URL.createObjectURL(stream) || stream;
|
|
success.apply(null, [videoSrc]);
|
|
}, failure);
|
|
} else {
|
|
failure(new TypeError("getUserMedia not available"));
|
|
}
|
|
}
|
|
|
|
function loadedData(video, callback) {
|
|
var attempts = 10;
|
|
|
|
function checkVideo() {
|
|
if (attempts > 0) {
|
|
if (video.videoWidth > 0 && video.videoHeight > 0) {
|
|
console.log(video.videoWidth + "px x " + video.videoHeight + "px");
|
|
callback();
|
|
} else {
|
|
window.setTimeout(checkVideo, 500);
|
|
}
|
|
} else {
|
|
callback('Unable to play video stream. Is webcam working?');
|
|
}
|
|
attempts--;
|
|
}
|
|
checkVideo();
|
|
}
|
|
|
|
/**
|
|
* Tries to attach the camera-stream to a given video-element
|
|
* and calls the callback function when the content is ready
|
|
* @param {Object} constraints
|
|
* @param {Object} video
|
|
* @param {Object} callback
|
|
*/
|
|
function initCamera(constraints, video, callback) {
|
|
getUserMedia(constraints, function (src) {
|
|
video.src = src;
|
|
if (loadedDataHandler) {
|
|
video.removeEventListener("loadeddata", loadedDataHandler, false);
|
|
}
|
|
loadedDataHandler = loadedData.bind(null, video, callback);
|
|
video.addEventListener('loadeddata', loadedDataHandler, false);
|
|
video.play();
|
|
}, function (e) {
|
|
callback(e);
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Normalizes the incoming constraints to satisfy the current browser
|
|
* @param config
|
|
* @param cb Callback which is called whenever constraints are created
|
|
* @returns {*}
|
|
*/
|
|
function normalizeConstraints(config, cb) {
|
|
var constraints = {
|
|
audio: false,
|
|
video: true
|
|
},
|
|
videoConstraints = merge({
|
|
width: 640,
|
|
height: 480,
|
|
minAspectRatio: 0,
|
|
maxAspectRatio: 100,
|
|
facing: "environment"
|
|
}, config);
|
|
|
|
if (typeof MediaStreamTrack !== 'undefined' && typeof MediaStreamTrack.getSources !== 'undefined') {
|
|
MediaStreamTrack.getSources(function (sourceInfos) {
|
|
var videoSourceId;
|
|
for (var i = 0; i < sourceInfos.length; ++i) {
|
|
var sourceInfo = sourceInfos[i];
|
|
if (sourceInfo.kind === "video" && sourceInfo.facing === videoConstraints.facing) {
|
|
videoSourceId = sourceInfo.id;
|
|
}
|
|
}
|
|
constraints.video = {
|
|
mandatory: {
|
|
minWidth: videoConstraints.width,
|
|
minHeight: videoConstraints.height,
|
|
minAspectRatio: videoConstraints.minAspectRatio,
|
|
maxAspectRatio: videoConstraints.maxAspectRatio
|
|
},
|
|
optional: [{
|
|
sourceId: videoSourceId
|
|
}]
|
|
};
|
|
return cb(constraints);
|
|
});
|
|
} else {
|
|
constraints.video = {
|
|
mediaSource: "camera",
|
|
width: { min: videoConstraints.width, max: videoConstraints.width },
|
|
height: { min: videoConstraints.height, max: videoConstraints.height },
|
|
require: ["width", "height"]
|
|
};
|
|
return cb(constraints);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Requests the back-facing camera of the user. The callback is called
|
|
* whenever the stream is ready to be consumed, or if an error occures.
|
|
* @param {Object} video
|
|
* @param {Object} callback
|
|
*/
|
|
function _request(video, videoConstraints, callback) {
|
|
normalizeConstraints(videoConstraints, function (constraints) {
|
|
initCamera(constraints, video, callback);
|
|
});
|
|
}
|
|
|
|
exports['default'] = {
|
|
request: function request(video, constraints, callback) {
|
|
_request(video, constraints, callback);
|
|
},
|
|
release: function release() {
|
|
var tracks = streamRef && streamRef.getVideoTracks();
|
|
if (tracks.length) {
|
|
tracks[0].stop();
|
|
}
|
|
streamRef = null;
|
|
}
|
|
};
|
|
module.exports = exports['default'];
|
|
|
|
/***/ },
|
|
/* 71 */
|
|
/***/ function(module, exports, __webpack_require__) {
|
|
|
|
'use strict';
|
|
|
|
Object.defineProperty(exports, '__esModule', {
|
|
value: true
|
|
});
|
|
|
|
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }
|
|
|
|
var _image_debug = __webpack_require__(22);
|
|
|
|
var _image_debug2 = _interopRequireDefault(_image_debug);
|
|
|
|
function contains(codeResult, list) {
|
|
if (list) {
|
|
return list.some(function (item) {
|
|
return Object.keys(item).every(function (key) {
|
|
return item[key] === codeResult[key];
|
|
});
|
|
});
|
|
}
|
|
return false;
|
|
}
|
|
|
|
function passesFilter(codeResult, filter) {
|
|
if (typeof filter === 'function') {
|
|
return filter(codeResult);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
exports['default'] = {
|
|
create: function create(config) {
|
|
var canvas = document.createElement("canvas"),
|
|
ctx = canvas.getContext("2d"),
|
|
results = [],
|
|
capacity = config.capacity || 20,
|
|
capture = config.capture === true;
|
|
|
|
function matchesConstraints(codeResult) {
|
|
return capacity && codeResult && !contains(codeResult, config.blacklist) && passesFilter(codeResult, config.filter);
|
|
}
|
|
|
|
return {
|
|
addResult: function addResult(data, imageSize, codeResult) {
|
|
var result = {};
|
|
|
|
if (matchesConstraints(codeResult)) {
|
|
capacity--;
|
|
result.codeResult = codeResult;
|
|
if (capture) {
|
|
canvas.width = imageSize.x;
|
|
canvas.height = imageSize.y;
|
|
_image_debug2['default'].drawImage(data, imageSize, ctx);
|
|
result.frame = canvas.toDataURL();
|
|
}
|
|
results.push(result);
|
|
}
|
|
},
|
|
getResults: function getResults() {
|
|
return results;
|
|
}
|
|
};
|
|
}
|
|
};
|
|
module.exports = exports['default'];
|
|
|
|
/***/ },
|
|
/* 72 */
|
|
/***/ function(module, exports, __webpack_require__) {
|
|
|
|
'use strict';
|
|
|
|
Object.defineProperty(exports, '__esModule', {
|
|
value: true
|
|
});
|
|
|
|
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }
|
|
|
|
var _image_loader = __webpack_require__(73);
|
|
|
|
var _image_loader2 = _interopRequireDefault(_image_loader);
|
|
|
|
var InputStream = {};
|
|
InputStream.createVideoStream = function (video) {
|
|
var that = {},
|
|
_config = null,
|
|
_eventNames = ['canrecord', 'ended'],
|
|
_eventHandlers = {},
|
|
_calculatedWidth,
|
|
_calculatedHeight,
|
|
_topRight = { x: 0, y: 0 },
|
|
_canvasSize = { x: 0, y: 0 };
|
|
|
|
function initSize() {
|
|
var width = video.videoWidth,
|
|
height = video.videoHeight;
|
|
|
|
_calculatedWidth = _config.size ? width / height > 1 ? _config.size : Math.floor(width / height * _config.size) : width;
|
|
_calculatedHeight = _config.size ? width / height > 1 ? Math.floor(height / width * _config.size) : _config.size : height;
|
|
|
|
_canvasSize.x = _calculatedWidth;
|
|
_canvasSize.y = _calculatedHeight;
|
|
}
|
|
|
|
that.getRealWidth = function () {
|
|
return video.videoWidth;
|
|
};
|
|
|
|
that.getRealHeight = function () {
|
|
return video.videoHeight;
|
|
};
|
|
|
|
that.getWidth = function () {
|
|
return _calculatedWidth;
|
|
};
|
|
|
|
that.getHeight = function () {
|
|
return _calculatedHeight;
|
|
};
|
|
|
|
that.setWidth = function (width) {
|
|
_calculatedWidth = width;
|
|
};
|
|
|
|
that.setHeight = function (height) {
|
|
_calculatedHeight = height;
|
|
};
|
|
|
|
that.setInputStream = function (config) {
|
|
_config = config;
|
|
video.src = typeof config.src !== 'undefined' ? config.src : '';
|
|
};
|
|
|
|
that.ended = function () {
|
|
return video.ended;
|
|
};
|
|
|
|
that.getConfig = function () {
|
|
return _config;
|
|
};
|
|
|
|
that.setAttribute = function (name, value) {
|
|
video.setAttribute(name, value);
|
|
};
|
|
|
|
that.pause = function () {
|
|
video.pause();
|
|
};
|
|
|
|
that.play = function () {
|
|
video.play();
|
|
};
|
|
|
|
that.setCurrentTime = function (time) {
|
|
if (_config.type !== "LiveStream") {
|
|
video.currentTime = time;
|
|
}
|
|
};
|
|
|
|
that.addEventListener = function (event, f, bool) {
|
|
if (_eventNames.indexOf(event) !== -1) {
|
|
if (!_eventHandlers[event]) {
|
|
_eventHandlers[event] = [];
|
|
}
|
|
_eventHandlers[event].push(f);
|
|
} else {
|
|
video.addEventListener(event, f, bool);
|
|
}
|
|
};
|
|
|
|
that.clearEventHandlers = function () {
|
|
_eventNames.forEach(function (eventName) {
|
|
var handlers = _eventHandlers[eventName];
|
|
if (handlers && handlers.length > 0) {
|
|
handlers.forEach(function (handler) {
|
|
video.removeEventListener(eventName, handler);
|
|
});
|
|
}
|
|
});
|
|
};
|
|
|
|
that.trigger = function (eventName, args) {
|
|
var j,
|
|
handlers = _eventHandlers[eventName];
|
|
|
|
if (eventName === 'canrecord') {
|
|
initSize();
|
|
}
|
|
if (handlers && handlers.length > 0) {
|
|
for (j = 0; j < handlers.length; j++) {
|
|
handlers[j].apply(that, args);
|
|
}
|
|
}
|
|
};
|
|
|
|
that.setTopRight = function (topRight) {
|
|
_topRight.x = topRight.x;
|
|
_topRight.y = topRight.y;
|
|
};
|
|
|
|
that.getTopRight = function () {
|
|
return _topRight;
|
|
};
|
|
|
|
that.setCanvasSize = function (size) {
|
|
_canvasSize.x = size.x;
|
|
_canvasSize.y = size.y;
|
|
};
|
|
|
|
that.getCanvasSize = function () {
|
|
return _canvasSize;
|
|
};
|
|
|
|
that.getFrame = function () {
|
|
return video;
|
|
};
|
|
|
|
return that;
|
|
};
|
|
|
|
InputStream.createLiveStream = function (video) {
|
|
video.setAttribute("autoplay", true);
|
|
var that = InputStream.createVideoStream(video);
|
|
|
|
that.ended = function () {
|
|
return false;
|
|
};
|
|
|
|
return that;
|
|
};
|
|
|
|
InputStream.createImageStream = function () {
|
|
var that = {};
|
|
var _config = null;
|
|
|
|
var width = 0,
|
|
height = 0,
|
|
frameIdx = 0,
|
|
paused = true,
|
|
loaded = false,
|
|
imgArray = null,
|
|
size = 0,
|
|
offset = 1,
|
|
baseUrl = null,
|
|
ended = false,
|
|
calculatedWidth,
|
|
calculatedHeight,
|
|
_eventNames = ['canrecord', 'ended'],
|
|
_eventHandlers = {},
|
|
_topRight = { x: 0, y: 0 },
|
|
_canvasSize = { x: 0, y: 0 };
|
|
|
|
function loadImages() {
|
|
loaded = false;
|
|
_image_loader2['default'].load(baseUrl, function (imgs) {
|
|
imgArray = imgs;
|
|
width = imgs[0].width;
|
|
height = imgs[0].height;
|
|
calculatedWidth = _config.size ? width / height > 1 ? _config.size : Math.floor(width / height * _config.size) : width;
|
|
calculatedHeight = _config.size ? width / height > 1 ? Math.floor(height / width * _config.size) : _config.size : height;
|
|
_canvasSize.x = calculatedWidth;
|
|
_canvasSize.y = calculatedHeight;
|
|
loaded = true;
|
|
frameIdx = 0;
|
|
setTimeout(function () {
|
|
publishEvent("canrecord", []);
|
|
}, 0);
|
|
}, offset, size, _config.sequence);
|
|
}
|
|
|
|
function publishEvent(eventName, args) {
|
|
var j,
|
|
handlers = _eventHandlers[eventName];
|
|
|
|
if (handlers && handlers.length > 0) {
|
|
for (j = 0; j < handlers.length; j++) {
|
|
handlers[j].apply(that, args);
|
|
}
|
|
}
|
|
}
|
|
|
|
that.trigger = publishEvent;
|
|
|
|
that.getWidth = function () {
|
|
return calculatedWidth;
|
|
};
|
|
|
|
that.getHeight = function () {
|
|
return calculatedHeight;
|
|
};
|
|
|
|
that.setWidth = function (newWidth) {
|
|
calculatedWidth = newWidth;
|
|
};
|
|
|
|
that.setHeight = function (newHeight) {
|
|
calculatedHeight = newHeight;
|
|
};
|
|
|
|
that.getRealWidth = function () {
|
|
return width;
|
|
};
|
|
|
|
that.getRealHeight = function () {
|
|
return height;
|
|
};
|
|
|
|
that.setInputStream = function (stream) {
|
|
_config = stream;
|
|
if (stream.sequence === false) {
|
|
baseUrl = stream.src;
|
|
size = 1;
|
|
} else {
|
|
baseUrl = stream.src;
|
|
size = stream.length;
|
|
}
|
|
loadImages();
|
|
};
|
|
|
|
that.ended = function () {
|
|
return ended;
|
|
};
|
|
|
|
that.setAttribute = function () {};
|
|
|
|
that.getConfig = function () {
|
|
return _config;
|
|
};
|
|
|
|
that.pause = function () {
|
|
paused = true;
|
|
};
|
|
|
|
that.play = function () {
|
|
paused = false;
|
|
};
|
|
|
|
that.setCurrentTime = function (time) {
|
|
frameIdx = time;
|
|
};
|
|
|
|
that.addEventListener = function (event, f) {
|
|
if (_eventNames.indexOf(event) !== -1) {
|
|
if (!_eventHandlers[event]) {
|
|
_eventHandlers[event] = [];
|
|
}
|
|
_eventHandlers[event].push(f);
|
|
}
|
|
};
|
|
|
|
that.setTopRight = function (topRight) {
|
|
_topRight.x = topRight.x;
|
|
_topRight.y = topRight.y;
|
|
};
|
|
|
|
that.getTopRight = function () {
|
|
return _topRight;
|
|
};
|
|
|
|
that.setCanvasSize = function (canvasSize) {
|
|
_canvasSize.x = canvasSize.x;
|
|
_canvasSize.y = canvasSize.y;
|
|
};
|
|
|
|
that.getCanvasSize = function () {
|
|
return _canvasSize;
|
|
};
|
|
|
|
that.getFrame = function () {
|
|
var frame;
|
|
|
|
if (!loaded) {
|
|
return null;
|
|
}
|
|
if (!paused) {
|
|
frame = imgArray[frameIdx];
|
|
if (frameIdx < size - 1) {
|
|
frameIdx++;
|
|
} else {
|
|
setTimeout(function () {
|
|
ended = true;
|
|
publishEvent("ended", []);
|
|
}, 0);
|
|
}
|
|
}
|
|
return frame;
|
|
};
|
|
|
|
return that;
|
|
};
|
|
|
|
exports['default'] = InputStream;
|
|
module.exports = exports['default'];
|
|
|
|
/***/ },
|
|
/* 73 */
|
|
/***/ function(module, exports) {
|
|
|
|
"use strict";
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
var ImageLoader = {};
|
|
ImageLoader.load = function (directory, callback, offset, size, sequence) {
|
|
var htmlImagesSrcArray = new Array(size),
|
|
htmlImagesArray = new Array(htmlImagesSrcArray.length),
|
|
i,
|
|
img,
|
|
num;
|
|
|
|
if (sequence === false) {
|
|
htmlImagesSrcArray[0] = directory;
|
|
} else {
|
|
for (i = 0; i < htmlImagesSrcArray.length; i++) {
|
|
num = offset + i;
|
|
htmlImagesSrcArray[i] = directory + "image-" + ("00" + num).slice(-3) + ".jpg";
|
|
}
|
|
}
|
|
htmlImagesArray.notLoaded = [];
|
|
htmlImagesArray.addImage = function (image) {
|
|
htmlImagesArray.notLoaded.push(image);
|
|
};
|
|
htmlImagesArray.loaded = function (loadedImg) {
|
|
var notloadedImgs = htmlImagesArray.notLoaded;
|
|
for (var x = 0; x < notloadedImgs.length; x++) {
|
|
if (notloadedImgs[x] === loadedImg) {
|
|
notloadedImgs.splice(x, 1);
|
|
for (var y = 0; y < htmlImagesSrcArray.length; y++) {
|
|
var imgName = htmlImagesSrcArray[y].substr(htmlImagesSrcArray[y].lastIndexOf("/"));
|
|
if (loadedImg.src.lastIndexOf(imgName) !== -1) {
|
|
htmlImagesArray[y] = loadedImg;
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
if (notloadedImgs.length === 0) {
|
|
console.log("Images loaded");
|
|
callback.apply(null, [htmlImagesArray]);
|
|
}
|
|
};
|
|
|
|
for (i = 0; i < htmlImagesSrcArray.length; i++) {
|
|
img = new Image();
|
|
htmlImagesArray.addImage(img);
|
|
addOnloadHandler(img, htmlImagesArray);
|
|
img.src = htmlImagesSrcArray[i];
|
|
}
|
|
};
|
|
|
|
function addOnloadHandler(img, htmlImagesArray) {
|
|
img.onload = function () {
|
|
htmlImagesArray.loaded(this);
|
|
};
|
|
}
|
|
|
|
exports["default"] = ImageLoader;
|
|
module.exports = exports["default"];
|
|
|
|
/***/ },
|
|
/* 74 */
|
|
/***/ function(module, exports, __webpack_require__) {
|
|
|
|
"use strict";
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
|
|
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
|
|
|
|
var _cv_utils = __webpack_require__(5);
|
|
|
|
var _cv_utils2 = _interopRequireDefault(_cv_utils);
|
|
|
|
var FrameGrabber = {};
|
|
|
|
FrameGrabber.create = function (inputStream, canvas) {
|
|
var _that = {},
|
|
_streamConfig = inputStream.getConfig(),
|
|
_video_size = _cv_utils2["default"].imageRef(inputStream.getRealWidth(), inputStream.getRealHeight()),
|
|
_canvasSize = inputStream.getCanvasSize(),
|
|
_size = _cv_utils2["default"].imageRef(inputStream.getWidth(), inputStream.getHeight()),
|
|
topRight = inputStream.getTopRight(),
|
|
_sx = topRight.x,
|
|
_sy = topRight.y,
|
|
_canvas,
|
|
_ctx = null,
|
|
_data = null;
|
|
|
|
_canvas = canvas ? canvas : document.createElement("canvas");
|
|
_canvas.width = _canvasSize.x;
|
|
_canvas.height = _canvasSize.y;
|
|
_ctx = _canvas.getContext("2d");
|
|
_data = new Uint8Array(_size.x * _size.y);
|
|
console.log("FrameGrabber", JSON.stringify({
|
|
size: _size,
|
|
topRight: topRight,
|
|
videoSize: _video_size,
|
|
canvasSize: _canvasSize
|
|
}));
|
|
|
|
/**
|
|
* Uses the given array as frame-buffer
|
|
*/
|
|
_that.attachData = function (data) {
|
|
_data = data;
|
|
};
|
|
|
|
/**
|
|
* Returns the used frame-buffer
|
|
*/
|
|
_that.getData = function () {
|
|
return _data;
|
|
};
|
|
|
|
/**
|
|
* Fetches a frame from the input-stream and puts into the frame-buffer.
|
|
* The image-data is converted to gray-scale and then half-sampled if configured.
|
|
*/
|
|
_that.grab = function () {
|
|
var doHalfSample = _streamConfig.halfSample,
|
|
frame = inputStream.getFrame(),
|
|
ctxData;
|
|
if (frame) {
|
|
_ctx.drawImage(frame, 0, 0, _canvasSize.x, _canvasSize.y);
|
|
ctxData = _ctx.getImageData(_sx, _sy, _size.x, _size.y).data;
|
|
if (doHalfSample) {
|
|
_cv_utils2["default"].grayAndHalfSampleFromCanvasData(ctxData, _size, _data);
|
|
} else {
|
|
_cv_utils2["default"].computeGray(ctxData, _data, _streamConfig);
|
|
}
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
};
|
|
|
|
_that.getSize = function () {
|
|
return _size;
|
|
};
|
|
|
|
return _that;
|
|
};
|
|
|
|
exports["default"] = FrameGrabber;
|
|
module.exports = exports["default"];
|
|
|
|
/***/ }
|
|
/******/ ])
|
|
});
|
|
;
|
|
//# sourceMappingURL=quagga.map
|