forked from Techsystech/web
[NEW] web_widget_image_webcam: New Module that allows to take image with webcam
Siddharth Bhalgami
parent
be2638f3a1
commit
cb9f2cbbc0
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.. image:: https://img.shields.io/badge/licence-LGPL--3-blue.svg
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:target: http://www.gnu.org/licenses/lgpl-3.0-standalone.html
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:alt: License: LGPL-3
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=========================
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Web Widget - Image WebCam
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=========================
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This module extends the functionality of the image widget and allows to take snapshots with WebCam.
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Configuration
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=============
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By default, the module works with all `major browsers
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<https://github.com/jhuckaby/webcamjs#browser-support>`_.
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An important note for **Chrome 47+** users - this module only works with websites delivered over SSL / HTTPS.
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Visit this for `more info
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<https://github.com/jhuckaby/webcamjs#important-note-for-chrome-47>`_.
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But, If you still want this module to work with websites without SSL / HTTPS.
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Here is the steps to do it easily (Always run in Adobe Flash fallback mode, but it is not desirable).
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Set the configuration parameter ``web_widget_image_webcam.flash_fallback_mode`` to ``1``
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Its done! Now this module also work with websites without SSL / HTTPS.
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Usage
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=====
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To use this module, you need to:
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#. Go to ...
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.. image:: https://odoo-community.org/website/image/ir.attachment/5784_f2813bd/datas
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:alt: Try me on Runbot
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:target: https://runbot.odoo-community.org/runbot/162/9.0
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Bug Tracker
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===========
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Bugs are tracked on `GitHub Issues
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<https://github.com/OCA/web/issues>`_. In case of trouble, please
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check there if your issue has already been reported. If you spotted it first,
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help us smashing it by providing a detailed and welcomed feedback.
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Credits
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=======
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Contributors
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------------
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* Siddharth Bhalgami <siddharth.bhalgami@techreceptives.com>
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Maintainer
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----------
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.. image:: https://odoo-community.org/logo.png
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:alt: Odoo Community Association
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:target: https://odoo-community.org
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This module is maintained by the OCA.
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OCA, or the Odoo Community Association, is a nonprofit organization whose
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mission is to support the collaborative development of Odoo features and
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promote its widespread use.
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To contribute to this module, please visit https://odoo-community.org.
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# -*- coding: utf-8 -*-
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# Copyright 2016 Siddharth Bhalgami <siddharth.bhalgami@techreceptives.com>
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# License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl).
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{
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"name": "Web Widget - Image WebCam",
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"summary": "Allows to take image with WebCam",
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"version": "9.0.1.0.0",
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"category": "web",
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"website": "https://www.techreceptives.com",
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"author": "Tech Receptives, "
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"Odoo Community Association (OCA)",
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"license": "LGPL-3",
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"data": [
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"views/assets.xml",
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],
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"depends": [
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"web",
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],
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"qweb": [
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"static/src/xml/web_widget_image_webcam.xml",
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],
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"installable": True,
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}
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/*
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Copyright 2016 Siddharth Bhalgami <siddharth.bhalgami@techreceptives.com>
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License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl).
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*/
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.openerp .oe_form .oe_form_field_image .oe_form_field_image_controls
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.oe_form_binary_file_web_cam {
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color: inherit;
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}
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.live_webcam_outer_div, .webcam_result_outer_div {
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padding-left: 20px;
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}
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#webcam_result img {
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max-width: 320px;
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max-height: 240px;
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}
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#live_webcam {
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width: 320px;
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height: 240px;
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}
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.direction_icon {
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text-align: center;
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}
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// WebcamJS v1.0.6
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// Webcam library for capturing JPEG/PNG images in JavaScript
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// Attempts getUserMedia, falls back to Flash
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// Author: Joseph Huckaby: http://github.com/jhuckaby
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// Based on JPEGCam: http://code.google.com/p/jpegcam/
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// Copyright (c) 2012 - 2015 Joseph Huckaby
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// Licensed under the MIT License
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(function(window) {
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var Webcam = {
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version: '1.0.6',
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// globals
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protocol: location.protocol.match(/https/i) ? 'https' : 'http',
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swfURL: '', // URI to webcam.swf movie (defaults to the js location)
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loaded: false, // true when webcam movie finishes loading
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live: false, // true when webcam is initialized and ready to snap
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userMedia: true, // true when getUserMedia is supported natively
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params: {
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width: 0,
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height: 0,
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dest_width: 0, // size of captured image
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dest_height: 0, // these default to width/height
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image_format: 'jpeg', // image format (may be jpeg or png)
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jpeg_quality: 90, // jpeg image quality from 0 (worst) to 100 (best)
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force_flash: false, // force flash mode,
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flip_horiz: false, // flip image horiz (mirror mode)
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fps: 30, // camera frames per second
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upload_name: 'webcam', // name of file in upload post data
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constraints: null // custom user media constraints
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},
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hooks: {}, // callback hook functions
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init: function() {
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// initialize, check for getUserMedia support
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var self = this;
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// Setup getUserMedia, with polyfill for older browsers
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// Adapted from: https://developer.mozilla.org/en-US/docs/Web/API/MediaDevices/getUserMedia
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this.mediaDevices = (navigator.mediaDevices && navigator.mediaDevices.getUserMedia) ?
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navigator.mediaDevices : ((navigator.mozGetUserMedia || navigator.webkitGetUserMedia) ? {
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getUserMedia: function(c) {
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return new Promise(function(y, n) {
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(navigator.mozGetUserMedia ||
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navigator.webkitGetUserMedia).call(navigator, c, y, n);
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});
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}
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} : null);
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window.URL = window.URL || window.webkitURL || window.mozURL || window.msURL;
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this.userMedia = this.userMedia && !!this.mediaDevices && !!window.URL;
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// Older versions of firefox (< 21) apparently claim support but user media does not actually work
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if (navigator.userAgent.match(/Firefox\D+(\d+)/)) {
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if (parseInt(RegExp.$1, 10) < 21) this.userMedia = null;
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}
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// Make sure media stream is closed when navigating away from page
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if (this.userMedia) {
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window.addEventListener( 'beforeunload', function(event) {
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self.reset();
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} );
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}
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},
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attach: function(elem) {
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// create webcam preview and attach to DOM element
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// pass in actual DOM reference, ID, or CSS selector
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if (typeof(elem) == 'string') {
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elem = document.getElementById(elem) || document.querySelector(elem);
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}
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if (!elem) {
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return this.dispatch('error', "Could not locate DOM element to attach to.");
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}
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this.container = elem;
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elem.innerHTML = ''; // start with empty element
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// insert "peg" so we can insert our preview canvas adjacent to it later on
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var peg = document.createElement('div');
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elem.appendChild( peg );
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this.peg = peg;
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// set width/height if not already set
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if (!this.params.width) this.params.width = elem.offsetWidth;
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if (!this.params.height) this.params.height = elem.offsetHeight;
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// set defaults for dest_width / dest_height if not set
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if (!this.params.dest_width) this.params.dest_width = this.params.width;
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if (!this.params.dest_height) this.params.dest_height = this.params.height;
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// if force_flash is set, disable userMedia
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if (this.params.force_flash) this.userMedia = null;
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// check for default fps
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if (typeof this.params.fps !== "number") this.params.fps = 30;
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// adjust scale if dest_width or dest_height is different
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var scaleX = this.params.width / this.params.dest_width;
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var scaleY = this.params.height / this.params.dest_height;
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if (this.userMedia) {
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// setup webcam video container
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var video = document.createElement('video');
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video.setAttribute('autoplay', 'autoplay');
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video.style.width = '' + this.params.dest_width + 'px';
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video.style.height = '' + this.params.dest_height + 'px';
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if ((scaleX != 1.0) || (scaleY != 1.0)) {
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elem.style.overflow = 'hidden';
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video.style.webkitTransformOrigin = '0px 0px';
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video.style.mozTransformOrigin = '0px 0px';
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video.style.msTransformOrigin = '0px 0px';
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video.style.oTransformOrigin = '0px 0px';
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video.style.transformOrigin = '0px 0px';
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video.style.webkitTransform = 'scaleX('+scaleX+') scaleY('+scaleY+')';
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video.style.mozTransform = 'scaleX('+scaleX+') scaleY('+scaleY+')';
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video.style.msTransform = 'scaleX('+scaleX+') scaleY('+scaleY+')';
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video.style.oTransform = 'scaleX('+scaleX+') scaleY('+scaleY+')';
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video.style.transform = 'scaleX('+scaleX+') scaleY('+scaleY+')';
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}
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// add video element to dom
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elem.appendChild( video );
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this.video = video;
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// ask user for access to their camera
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var self = this;
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this.mediaDevices.getUserMedia({
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"audio": false,
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"video": this.params.constraints || {
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mandatory: {
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minWidth: this.params.dest_width,
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minHeight: this.params.dest_height
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}
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}
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})
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.then( function(stream) {
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// got access, attach stream to video
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video.src = window.URL.createObjectURL( stream ) || stream;
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self.stream = stream;
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self.loaded = true;
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self.live = true;
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self.dispatch('load');
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self.dispatch('live');
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self.flip();
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})
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.catch( function(err) {
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return self.dispatch('error', "Could not access webcam: " + err.name + ": " + err.message, err);
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});
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}
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else {
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// flash fallback
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window.Webcam = Webcam; // needed for flash-to-js interface
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var div = document.createElement('div');
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div.innerHTML = this.getSWFHTML();
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elem.appendChild( div );
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}
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// setup final crop for live preview
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if (this.params.crop_width && this.params.crop_height) {
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var scaled_crop_width = Math.floor( this.params.crop_width * scaleX );
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var scaled_crop_height = Math.floor( this.params.crop_height * scaleY );
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elem.style.width = '' + scaled_crop_width + 'px';
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elem.style.height = '' + scaled_crop_height + 'px';
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elem.style.overflow = 'hidden';
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elem.scrollLeft = Math.floor( (this.params.width / 2) - (scaled_crop_width / 2) );
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elem.scrollTop = Math.floor( (this.params.height / 2) - (scaled_crop_height / 2) );
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}
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else {
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// no crop, set size to desired
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elem.style.width = '' + this.params.width + 'px';
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elem.style.height = '' + this.params.height + 'px';
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}
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},
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reset: function() {
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// shutdown camera, reset to potentially attach again
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if (this.preview_active) this.unfreeze();
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// attempt to fix issue #64
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this.unflip();
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if (this.userMedia) {
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if (this.stream) {
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if (this.stream.getVideoTracks) {
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// get video track to call stop on it
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var tracks = this.stream.getVideoTracks();
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if (tracks && tracks[0] && tracks[0].stop) tracks[0].stop();
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}
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else if (this.stream.stop) {
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// deprecated, may be removed in future
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this.stream.stop();
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}
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}
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delete this.stream;
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delete this.video;
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}
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if (this.container) {
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this.container.innerHTML = '';
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delete this.container;
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}
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this.loaded = false;
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this.live = false;
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},
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set: function() {
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// set one or more params
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// variable argument list: 1 param = hash, 2 params = key, value
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if (arguments.length == 1) {
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for (var key in arguments[0]) {
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this.params[key] = arguments[0][key];
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}
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}
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else {
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this.params[ arguments[0] ] = arguments[1];
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}
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},
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on: function(name, callback) {
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// set callback hook
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name = name.replace(/^on/i, '').toLowerCase();
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if (!this.hooks[name]) this.hooks[name] = [];
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this.hooks[name].push( callback );
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},
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off: function(name, callback) {
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// remove callback hook
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name = name.replace(/^on/i, '').toLowerCase();
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if (this.hooks[name]) {
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if (callback) {
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// remove one selected callback from list
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var idx = this.hooks[name].indexOf(callback);
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if (idx > -1) this.hooks[name].splice(idx, 1);
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}
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else {
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// no callback specified, so clear all
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this.hooks[name] = [];
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}
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}
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},
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dispatch: function() {
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// fire hook callback, passing optional value to it
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var name = arguments[0].replace(/^on/i, '').toLowerCase();
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var args = Array.prototype.slice.call(arguments, 1);
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if (this.hooks[name] && this.hooks[name].length) {
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for (var idx = 0, len = this.hooks[name].length; idx < len; idx++) {
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var hook = this.hooks[name][idx];
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if (typeof(hook) == 'function') {
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// callback is function reference, call directly
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hook.apply(this, args);
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}
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else if ((typeof(hook) == 'object') && (hook.length == 2)) {
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// callback is PHP-style object instance method
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hook[0][hook[1]].apply(hook[0], args);
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}
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else if (window[hook]) {
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// callback is global function name
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window[ hook ].apply(window, args);
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}
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} // loop
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return true;
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}
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else if (name == 'error') {
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// default error handler if no custom one specified
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alert("Webcam.js Error: " + args[0]);
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}
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return false; // no hook defined
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},
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setSWFLocation: function(url) {
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// set location of SWF movie (defaults to webcam.swf in cwd)
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this.swfURL = url;
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},
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detectFlash: function() {
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// return true if browser supports flash, false otherwise
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// Code snippet borrowed from: https://github.com/swfobject/swfobject
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var SHOCKWAVE_FLASH = "Shockwave Flash",
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SHOCKWAVE_FLASH_AX = "ShockwaveFlash.ShockwaveFlash",
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FLASH_MIME_TYPE = "application/x-shockwave-flash",
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win = window,
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nav = navigator,
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hasFlash = false;
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if (typeof nav.plugins !== "undefined" && typeof nav.plugins[SHOCKWAVE_FLASH] === "object") {
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var desc = nav.plugins[SHOCKWAVE_FLASH].description;
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if (desc && (typeof nav.mimeTypes !== "undefined" && nav.mimeTypes[FLASH_MIME_TYPE] && nav.mimeTypes[FLASH_MIME_TYPE].enabledPlugin)) {
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hasFlash = true;
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}
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}
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else if (typeof win.ActiveXObject !== "undefined") {
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try {
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var ax = new ActiveXObject(SHOCKWAVE_FLASH_AX);
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if (ax) {
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var ver = ax.GetVariable("$version");
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if (ver) hasFlash = true;
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}
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}
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catch (e) {;}
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}
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return hasFlash;
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},
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getSWFHTML: function() {
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// Return HTML for embedding flash based webcam capture movie
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var html = '';
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// make sure we aren't running locally (flash doesn't work)
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if (location.protocol.match(/file/)) {
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this.dispatch('error', "Flash does not work from local disk. Please run from a web server.");
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return '<h3 style="color:red">ERROR: the Webcam.js Flash fallback does not work from local disk. Please run it from a web server.</h3>';
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}
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// make sure we have flash
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if (!this.detectFlash()) {
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this.dispatch('error', "Adobe Flash Player not found. Please install from get.adobe.com/flashplayer and try again.");
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return '<h3 style="color:red">ERROR: No Adobe Flash Player detected. Webcam.js relies on Flash for browsers that do not support getUserMedia (like yours).</h3>';
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}
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// set default swfURL if not explicitly set
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if (!this.swfURL) {
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// find our script tag, and use that base URL
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var base_url = '';
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var scpts = document.getElementsByTagName('script');
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for (var idx = 0, len = scpts.length; idx < len; idx++) {
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var src = scpts[idx].getAttribute('src');
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if (src && src.match(/\/webcam(\.min)?\.js/)) {
|
||||
base_url = src.replace(/\/webcam(\.min)?\.js.*$/, '');
|
||||
idx = len;
|
||||
}
|
||||
}
|
||||
if (base_url) this.swfURL = base_url + '/webcam.swf';
|
||||
else this.swfURL = 'webcam.swf';
|
||||
}
|
||||
|
||||
// if this is the user's first visit, set flashvar so flash privacy settings panel is shown first
|
||||
if (window.localStorage && !localStorage.getItem('visited')) {
|
||||
this.params.new_user = 1;
|
||||
localStorage.setItem('visited', 1);
|
||||
}
|
||||
|
||||
// construct flashvars string
|
||||
var flashvars = '';
|
||||
for (var key in this.params) {
|
||||
if (flashvars) flashvars += '&';
|
||||
flashvars += key + '=' + escape(this.params[key]);
|
||||
}
|
||||
|
||||
// construct object/embed tag
|
||||
html += '<object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" type="application/x-shockwave-flash" codebase="'+this.protocol+'://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=9,0,0,0" width="'+this.params.width+'" height="'+this.params.height+'" id="webcam_movie_obj" align="middle"><param name="wmode" value="opaque" /><param name="allowScriptAccess" value="always" /><param name="allowFullScreen" value="false" /><param name="movie" value="'+this.swfURL+'" /><param name="loop" value="false" /><param name="menu" value="false" /><param name="quality" value="best" /><param name="bgcolor" value="#ffffff" /><param name="flashvars" value="'+flashvars+'"/><embed id="webcam_movie_embed" src="'+this.swfURL+'" wmode="opaque" loop="false" menu="false" quality="best" bgcolor="#ffffff" width="'+this.params.width+'" height="'+this.params.height+'" name="webcam_movie_embed" align="middle" allowScriptAccess="always" allowFullScreen="false" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer" flashvars="'+flashvars+'"></embed></object>';
|
||||
|
||||
return html;
|
||||
},
|
||||
|
||||
getMovie: function() {
|
||||
// get reference to movie object/embed in DOM
|
||||
if (!this.loaded) return this.dispatch('error', "Flash Movie is not loaded yet");
|
||||
var movie = document.getElementById('webcam_movie_obj');
|
||||
if (!movie || !movie._snap) movie = document.getElementById('webcam_movie_embed');
|
||||
if (!movie) this.dispatch('error', "Cannot locate Flash movie in DOM");
|
||||
return movie;
|
||||
},
|
||||
|
||||
freeze: function() {
|
||||
// show preview, freeze camera
|
||||
var self = this;
|
||||
var params = this.params;
|
||||
|
||||
// kill preview if already active
|
||||
if (this.preview_active) this.unfreeze();
|
||||
|
||||
// determine scale factor
|
||||
var scaleX = this.params.width / this.params.dest_width;
|
||||
var scaleY = this.params.height / this.params.dest_height;
|
||||
|
||||
// must unflip container as preview canvas will be pre-flipped
|
||||
this.unflip();
|
||||
|
||||
// calc final size of image
|
||||
var final_width = params.crop_width || params.dest_width;
|
||||
var final_height = params.crop_height || params.dest_height;
|
||||
|
||||
// create canvas for holding preview
|
||||
var preview_canvas = document.createElement('canvas');
|
||||
preview_canvas.width = final_width;
|
||||
preview_canvas.height = final_height;
|
||||
var preview_context = preview_canvas.getContext('2d');
|
||||
|
||||
// save for later use
|
||||
this.preview_canvas = preview_canvas;
|
||||
this.preview_context = preview_context;
|
||||
|
||||
// scale for preview size
|
||||
if ((scaleX != 1.0) || (scaleY != 1.0)) {
|
||||
preview_canvas.style.webkitTransformOrigin = '0px 0px';
|
||||
preview_canvas.style.mozTransformOrigin = '0px 0px';
|
||||
preview_canvas.style.msTransformOrigin = '0px 0px';
|
||||
preview_canvas.style.oTransformOrigin = '0px 0px';
|
||||
preview_canvas.style.transformOrigin = '0px 0px';
|
||||
preview_canvas.style.webkitTransform = 'scaleX('+scaleX+') scaleY('+scaleY+')';
|
||||
preview_canvas.style.mozTransform = 'scaleX('+scaleX+') scaleY('+scaleY+')';
|
||||
preview_canvas.style.msTransform = 'scaleX('+scaleX+') scaleY('+scaleY+')';
|
||||
preview_canvas.style.oTransform = 'scaleX('+scaleX+') scaleY('+scaleY+')';
|
||||
preview_canvas.style.transform = 'scaleX('+scaleX+') scaleY('+scaleY+')';
|
||||
}
|
||||
|
||||
// take snapshot, but fire our own callback
|
||||
this.snap( function() {
|
||||
// add preview image to dom, adjust for crop
|
||||
preview_canvas.style.position = 'relative';
|
||||
preview_canvas.style.left = '' + self.container.scrollLeft + 'px';
|
||||
preview_canvas.style.top = '' + self.container.scrollTop + 'px';
|
||||
|
||||
self.container.insertBefore( preview_canvas, self.peg );
|
||||
self.container.style.overflow = 'hidden';
|
||||
|
||||
// set flag for user capture (use preview)
|
||||
self.preview_active = true;
|
||||
|
||||
}, preview_canvas );
|
||||
},
|
||||
|
||||
unfreeze: function() {
|
||||
// cancel preview and resume live video feed
|
||||
if (this.preview_active) {
|
||||
// remove preview canvas
|
||||
this.container.removeChild( this.preview_canvas );
|
||||
delete this.preview_context;
|
||||
delete this.preview_canvas;
|
||||
|
||||
// unflag
|
||||
this.preview_active = false;
|
||||
|
||||
// re-flip if we unflipped before
|
||||
this.flip();
|
||||
}
|
||||
},
|
||||
|
||||
flip: function() {
|
||||
// flip container horiz (mirror mode) if desired
|
||||
if (this.params.flip_horiz) {
|
||||
var sty = this.container.style;
|
||||
sty.webkitTransform = 'scaleX(-1)';
|
||||
sty.mozTransform = 'scaleX(-1)';
|
||||
sty.msTransform = 'scaleX(-1)';
|
||||
sty.oTransform = 'scaleX(-1)';
|
||||
sty.transform = 'scaleX(-1)';
|
||||
sty.filter = 'FlipH';
|
||||
sty.msFilter = 'FlipH';
|
||||
}
|
||||
},
|
||||
|
||||
unflip: function() {
|
||||
// unflip container horiz (mirror mode) if desired
|
||||
if (this.params.flip_horiz) {
|
||||
var sty = this.container.style;
|
||||
sty.webkitTransform = 'scaleX(1)';
|
||||
sty.mozTransform = 'scaleX(1)';
|
||||
sty.msTransform = 'scaleX(1)';
|
||||
sty.oTransform = 'scaleX(1)';
|
||||
sty.transform = 'scaleX(1)';
|
||||
sty.filter = '';
|
||||
sty.msFilter = '';
|
||||
}
|
||||
},
|
||||
|
||||
savePreview: function(user_callback, user_canvas) {
|
||||
// save preview freeze and fire user callback
|
||||
var params = this.params;
|
||||
var canvas = this.preview_canvas;
|
||||
var context = this.preview_context;
|
||||
|
||||
// render to user canvas if desired
|
||||
if (user_canvas) {
|
||||
var user_context = user_canvas.getContext('2d');
|
||||
user_context.drawImage( canvas, 0, 0 );
|
||||
}
|
||||
|
||||
// fire user callback if desired
|
||||
user_callback(
|
||||
user_canvas ? null : canvas.toDataURL('image/' + params.image_format, params.jpeg_quality / 100 ),
|
||||
canvas,
|
||||
context
|
||||
);
|
||||
|
||||
// remove preview
|
||||
this.unfreeze();
|
||||
},
|
||||
|
||||
snap: function(user_callback, user_canvas) {
|
||||
// take snapshot and return image data uri
|
||||
var self = this;
|
||||
var params = this.params;
|
||||
|
||||
if (!this.loaded) return this.dispatch('error', "Webcam is not loaded yet");
|
||||
// if (!this.live) return this.dispatch('error', "Webcam is not live yet");
|
||||
if (!user_callback) return this.dispatch('error', "Please provide a callback function or canvas to snap()");
|
||||
|
||||
// if we have an active preview freeze, use that
|
||||
if (this.preview_active) {
|
||||
this.savePreview( user_callback, user_canvas );
|
||||
return null;
|
||||
}
|
||||
|
||||
// create offscreen canvas element to hold pixels
|
||||
var canvas = document.createElement('canvas');
|
||||
canvas.width = this.params.dest_width;
|
||||
canvas.height = this.params.dest_height;
|
||||
var context = canvas.getContext('2d');
|
||||
|
||||
// flip canvas horizontally if desired
|
||||
if (this.params.flip_horiz) {
|
||||
context.translate( params.dest_width, 0 );
|
||||
context.scale( -1, 1 );
|
||||
}
|
||||
|
||||
// create inline function, called after image load (flash) or immediately (native)
|
||||
var func = function() {
|
||||
// render image if needed (flash)
|
||||
if (this.src && this.width && this.height) {
|
||||
context.drawImage(this, 0, 0, params.dest_width, params.dest_height);
|
||||
}
|
||||
|
||||
// crop if desired
|
||||
if (params.crop_width && params.crop_height) {
|
||||
var crop_canvas = document.createElement('canvas');
|
||||
crop_canvas.width = params.crop_width;
|
||||
crop_canvas.height = params.crop_height;
|
||||
var crop_context = crop_canvas.getContext('2d');
|
||||
|
||||
crop_context.drawImage( canvas,
|
||||
Math.floor( (params.dest_width / 2) - (params.crop_width / 2) ),
|
||||
Math.floor( (params.dest_height / 2) - (params.crop_height / 2) ),
|
||||
params.crop_width,
|
||||
params.crop_height,
|
||||
0,
|
||||
0,
|
||||
params.crop_width,
|
||||
params.crop_height
|
||||
);
|
||||
|
||||
// swap canvases
|
||||
context = crop_context;
|
||||
canvas = crop_canvas;
|
||||
}
|
||||
|
||||
// render to user canvas if desired
|
||||
if (user_canvas) {
|
||||
var user_context = user_canvas.getContext('2d');
|
||||
user_context.drawImage( canvas, 0, 0 );
|
||||
}
|
||||
|
||||
// fire user callback if desired
|
||||
user_callback(
|
||||
user_canvas ? null : canvas.toDataURL('image/' + params.image_format, params.jpeg_quality / 100 ),
|
||||
canvas,
|
||||
context
|
||||
);
|
||||
};
|
||||
|
||||
// grab image frame from userMedia or flash movie
|
||||
if (this.userMedia) {
|
||||
// native implementation
|
||||
context.drawImage(this.video, 0, 0, this.params.dest_width, this.params.dest_height);
|
||||
|
||||
// fire callback right away
|
||||
func();
|
||||
}
|
||||
else {
|
||||
// flash fallback
|
||||
var raw_data = this.getMovie()._snap();
|
||||
|
||||
// render to image, fire callback when complete
|
||||
var img = new Image();
|
||||
img.onload = func;
|
||||
img.src = 'data:image/'+this.params.image_format+';base64,' + raw_data;
|
||||
}
|
||||
|
||||
return null;
|
||||
},
|
||||
|
||||
configure: function(panel) {
|
||||
// open flash configuration panel -- specify tab name:
|
||||
// "camera", "privacy", "default", "localStorage", "microphone", "settingsManager"
|
||||
if (!panel) panel = "camera";
|
||||
this.getMovie()._configure(panel);
|
||||
},
|
||||
|
||||
flashNotify: function(type, msg) {
|
||||
// receive notification from flash about event
|
||||
switch (type) {
|
||||
case 'flashLoadComplete':
|
||||
// movie loaded successfully
|
||||
this.loaded = true;
|
||||
this.dispatch('load');
|
||||
break;
|
||||
|
||||
case 'cameraLive':
|
||||
// camera is live and ready to snap
|
||||
this.live = true;
|
||||
this.dispatch('live');
|
||||
this.flip();
|
||||
break;
|
||||
|
||||
case 'error':
|
||||
// Flash error
|
||||
this.dispatch('error', msg);
|
||||
break;
|
||||
|
||||
default:
|
||||
// catch-all event, just in case
|
||||
// console.log("webcam flash_notify: " + type + ": " + msg);
|
||||
break;
|
||||
}
|
||||
},
|
||||
|
||||
b64ToUint6: function(nChr) {
|
||||
// convert base64 encoded character to 6-bit integer
|
||||
// from: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Base64_encoding_and_decoding
|
||||
return nChr > 64 && nChr < 91 ? nChr - 65
|
||||
: nChr > 96 && nChr < 123 ? nChr - 71
|
||||
: nChr > 47 && nChr < 58 ? nChr + 4
|
||||
: nChr === 43 ? 62 : nChr === 47 ? 63 : 0;
|
||||
},
|
||||
|
||||
base64DecToArr: function(sBase64, nBlocksSize) {
|
||||
// convert base64 encoded string to Uintarray
|
||||
// from: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Base64_encoding_and_decoding
|
||||
var sB64Enc = sBase64.replace(/[^A-Za-z0-9\+\/]/g, ""), nInLen = sB64Enc.length,
|
||||
nOutLen = nBlocksSize ? Math.ceil((nInLen * 3 + 1 >> 2) / nBlocksSize) * nBlocksSize : nInLen * 3 + 1 >> 2,
|
||||
taBytes = new Uint8Array(nOutLen);
|
||||
|
||||
for (var nMod3, nMod4, nUint24 = 0, nOutIdx = 0, nInIdx = 0; nInIdx < nInLen; nInIdx++) {
|
||||
nMod4 = nInIdx & 3;
|
||||
nUint24 |= this.b64ToUint6(sB64Enc.charCodeAt(nInIdx)) << 18 - 6 * nMod4;
|
||||
if (nMod4 === 3 || nInLen - nInIdx === 1) {
|
||||
for (nMod3 = 0; nMod3 < 3 && nOutIdx < nOutLen; nMod3++, nOutIdx++) {
|
||||
taBytes[nOutIdx] = nUint24 >>> (16 >>> nMod3 & 24) & 255;
|
||||
}
|
||||
nUint24 = 0;
|
||||
}
|
||||
}
|
||||
return taBytes;
|
||||
},
|
||||
|
||||
upload: function(image_data_uri, target_url, callback) {
|
||||
// submit image data to server using binary AJAX
|
||||
var form_elem_name = this.params.upload_name || 'webcam';
|
||||
|
||||
// detect image format from within image_data_uri
|
||||
var image_fmt = '';
|
||||
if (image_data_uri.match(/^data\:image\/(\w+)/))
|
||||
image_fmt = RegExp.$1;
|
||||
else
|
||||
throw "Cannot locate image format in Data URI";
|
||||
|
||||
// extract raw base64 data from Data URI
|
||||
var raw_image_data = image_data_uri.replace(/^data\:image\/\w+\;base64\,/, '');
|
||||
|
||||
// contruct use AJAX object
|
||||
var http = new XMLHttpRequest();
|
||||
http.open("POST", target_url, true);
|
||||
|
||||
// setup progress events
|
||||
if (http.upload && http.upload.addEventListener) {
|
||||
http.upload.addEventListener( 'progress', function(e) {
|
||||
if (e.lengthComputable) {
|
||||
var progress = e.loaded / e.total;
|
||||
Webcam.dispatch('uploadProgress', progress, e);
|
||||
}
|
||||
}, false );
|
||||
}
|
||||
|
||||
// completion handler
|
||||
var self = this;
|
||||
http.onload = function() {
|
||||
if (callback) callback.apply( self, [http.status, http.responseText, http.statusText] );
|
||||
Webcam.dispatch('uploadComplete', http.status, http.responseText, http.statusText);
|
||||
};
|
||||
|
||||
// create a blob and decode our base64 to binary
|
||||
var blob = new Blob( [ this.base64DecToArr(raw_image_data) ], {type: 'image/'+image_fmt} );
|
||||
|
||||
// stuff into a form, so servers can easily receive it as a standard file upload
|
||||
var form = new FormData();
|
||||
form.append( form_elem_name, blob, form_elem_name+"."+image_fmt.replace(/e/, '') );
|
||||
|
||||
// send data to server
|
||||
http.send(form);
|
||||
}
|
||||
|
||||
};
|
||||
|
||||
Webcam.init();
|
||||
|
||||
if (typeof define === 'function' && define.amd) {
|
||||
define( function() { return Webcam; } );
|
||||
}
|
||||
else if (typeof module === 'object' && module.exports) {
|
||||
module.exports = Webcam;
|
||||
}
|
||||
else {
|
||||
window.Webcam = Webcam;
|
||||
}
|
||||
|
||||
}(window));
|
||||
Binary file not shown.
|
|
@ -0,0 +1,122 @@
|
|||
/*
|
||||
Copyright 2016 Siddharth Bhalgami <siddharth.bhalgami@techreceptives.com>
|
||||
License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl).
|
||||
*/
|
||||
odoo.define('web_widget_image_webcam.webcam_widget', function(require) {
|
||||
"use strict";
|
||||
|
||||
var core = require('web.core');
|
||||
var Model = require('web.Model');
|
||||
var Dialog = require('web.Dialog');
|
||||
|
||||
var _t = core._t;
|
||||
var QWeb = core.qweb;
|
||||
|
||||
core.form_widget_registry.get("image").include({
|
||||
|
||||
render_value: function () {
|
||||
this._super();
|
||||
|
||||
var self = this,
|
||||
WebCamDialog = $(QWeb.render("WebCamDialog")),
|
||||
img_data;
|
||||
|
||||
// ::webcamjs:: < https://github.com/jhuckaby/webcamjs >
|
||||
// Webcam: Set Custom Parameters
|
||||
Webcam.set({
|
||||
width: 320,
|
||||
height: 240,
|
||||
dest_width: 320,
|
||||
dest_height: 240,
|
||||
image_format: 'jpeg',
|
||||
jpeg_quality: 90,
|
||||
force_flash: false,
|
||||
fps: 45,
|
||||
swfURL: '/web_widget_image_webcam/static/src/js/webcam.swf',
|
||||
});
|
||||
|
||||
self.$el.find('.oe_form_binary_file_clear').removeClass('col-md-offset-5');
|
||||
|
||||
new Model('ir.config_parameter').call('get_param', ['web_widget_image_webcam.flash_fallback_mode', false]).
|
||||
then(function(default_flash_fallback_mode) {
|
||||
if (default_flash_fallback_mode == 1) {
|
||||
Webcam.set({
|
||||
/*
|
||||
:: Important Note about Chrome 47+ :: < https://github.com/jhuckaby/webcamjs#important-note-for-chrome-47 >
|
||||
Setting "force_flash" to "true" will always run in Adobe Flash fallback mode on Chrome, but it is not desirable.
|
||||
*/
|
||||
force_flash: true,
|
||||
});
|
||||
}
|
||||
});
|
||||
|
||||
self.$el.find('.oe_form_binary_file_web_cam').off().on('click', function(){
|
||||
// Init Webcam
|
||||
new Dialog(self, {
|
||||
size: 'large',
|
||||
dialogClass: 'o_act_window',
|
||||
title: _t("WebCam Booth"),
|
||||
$content: WebCamDialog,
|
||||
buttons: [
|
||||
{
|
||||
text: _t("Take Snapshot"), classes: 'btn-primary take_snap_btn',
|
||||
click: function () {
|
||||
Webcam.snap( function(data) {
|
||||
img_data = data;
|
||||
// Display Snap besides Live WebCam Preview
|
||||
WebCamDialog.find("#webcam_result").html('<img src="'+img_data+'"/>');
|
||||
});
|
||||
// Remove "disabled" attr from "Save & Close" button
|
||||
$('.save_close_btn').removeAttr('disabled');
|
||||
}
|
||||
},
|
||||
{
|
||||
text: _t("Save & Close"), classes: 'btn-primary save_close_btn', close: true,
|
||||
click: function () {
|
||||
var img_data_base64 = img_data.split(',')[1];
|
||||
|
||||
/*
|
||||
Size in base64 is approx 33% overhead the original data size.
|
||||
|
||||
Source: -> http://stackoverflow.com/questions/11402329/base64-encoded-image-size
|
||||
-> http://stackoverflow.com/questions/6793575/estimating-the-size-of-binary-data-encoded-as-a-b64-string-in-python
|
||||
|
||||
-> https://en.wikipedia.org/wiki/Base64
|
||||
[ The ratio of output bytes to input bytes is 4:3 (33% overhead).
|
||||
Specifically, given an input of n bytes, the output will be "4[n/3]" bytes long in base64,
|
||||
including padding characters. ]
|
||||
*/
|
||||
|
||||
// From the above info, we doing the opposite stuff to find the approx size of Image in bytes.
|
||||
var approx_img_size = 3 * (img_data_base64.length / 4) // like... "3[n/4]"
|
||||
|
||||
// Upload image in Binary Field
|
||||
self.on_file_uploaded(approx_img_size, "web-cam-preview.jpeg", "image/jpeg", img_data_base64);
|
||||
}
|
||||
},
|
||||
{
|
||||
text: _t("Close"), close: true
|
||||
}
|
||||
]
|
||||
}).open();
|
||||
|
||||
Webcam.attach('#live_webcam');
|
||||
|
||||
// At time of Init "Save & Close" button is disabled
|
||||
$('.save_close_btn').attr('disabled', 'disabled');
|
||||
|
||||
// Placeholder Image in the div "webcam_result"
|
||||
WebCamDialog.find("#webcam_result").html('<img src="/web_widget_image_webcam/static/src/img/webcam_placeholder.png"/>');
|
||||
});
|
||||
},
|
||||
});
|
||||
|
||||
Dialog.include({
|
||||
destroy: function () {
|
||||
// Shut Down the Live Camera Preview | Reset the System
|
||||
Webcam.reset();
|
||||
this._super.apply(this, arguments);
|
||||
},
|
||||
});
|
||||
|
||||
});
|
||||
|
|
@ -0,0 +1,28 @@
|
|||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<!-- Copyright 2016 Siddharth Bhalgami <siddharth.bhalgami@techreceptives.com>
|
||||
License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl). -->
|
||||
<template id="template" xml:space="preserve">
|
||||
|
||||
<t t-extend="FieldBinaryImage">
|
||||
<t t-jquery=".oe_form_binary_file_edit" t-operation="after">
|
||||
<a class="fa fa-eye fa-1g col-md-4 oe_form_binary_file_web_cam" title="WebCam"></a>
|
||||
</t>
|
||||
</t>
|
||||
|
||||
<div t-name="WebCamDialog" id="WebCamModal">
|
||||
<div class="container-fluid">
|
||||
<div class="row">
|
||||
<div class="col-md-12">
|
||||
<div class="col-md-5 live_webcam_outer_div">
|
||||
<div id="live_webcam"></div>
|
||||
</div>
|
||||
<div class="col-md-2 mt64 direction_icon fa fa-angle-right fa-8x"></div>
|
||||
<div class="col-md-5 webcam_result_outer_div">
|
||||
<div id="webcam_result"></div>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
|
||||
</template>
|
||||
|
|
@ -0,0 +1,15 @@
|
|||
<?xml version="1.0" encoding="utf-8"?>
|
||||
<!-- Copyright 2016 Siddharth Bhalgami <siddharth.bhalgami@techreceptives.com>
|
||||
License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl). -->
|
||||
<odoo>
|
||||
<template id="assets_backend" inherit_id="web.assets_backend">
|
||||
<xpath expr=".">
|
||||
<script type="text/javascript"
|
||||
src="/web_widget_image_webcam/static/src/js/webcam.js"/>
|
||||
<link rel="stylesheet"
|
||||
href="/web_widget_image_webcam/static/src/css/web_widget_image_webcam.css"/>
|
||||
<script type="text/javascript"
|
||||
src="/web_widget_image_webcam/static/src/js/webcam_widget.js"/>
|
||||
</xpath>
|
||||
</template>
|
||||
</odoo>
|
||||
Loading…
Reference in New Issue